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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-03-08 15:21:04 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-03-08 15:21:04 -0500
commit988addf82e4c03739375279de73929580a2d4a6a (patch)
tree989ae1cd4e264bbad80c65f04480486246e7b9f3 /drivers/pcmcia
parent004c1c7096659d352b83047a7593e91d8a30e3c5 (diff)
parent25cf84cf377c0aae5dbcf937ea89bc7893db5176 (diff)
Merge branch 'origin' into devel-stable
Conflicts: arch/arm/mach-mx2/devices.c arch/arm/mach-mx2/devices.h sound/soc/pxa/pxa-ssp.c
Diffstat (limited to 'drivers/pcmcia')
-rw-r--r--drivers/pcmcia/Kconfig44
-rw-r--r--drivers/pcmcia/Makefile16
-rw-r--r--drivers/pcmcia/at91_cf.c2
-rw-r--r--drivers/pcmcia/au1000_db1x00.c305
-rw-r--r--drivers/pcmcia/au1000_generic.c10
-rw-r--r--drivers/pcmcia/au1000_generic.h18
-rw-r--r--drivers/pcmcia/au1000_pb1x00.c119
-rw-r--r--drivers/pcmcia/au1000_xxs1500.c188
-rw-r--r--drivers/pcmcia/bfin_cf_pcmcia.c2
-rw-r--r--drivers/pcmcia/cardbus.c177
-rw-r--r--drivers/pcmcia/cistpl.c2388
-rw-r--r--drivers/pcmcia/cs.c312
-rw-r--r--drivers/pcmcia/cs_internal.h89
-rw-r--r--drivers/pcmcia/db1xxx_ss.c612
-rw-r--r--drivers/pcmcia/ds.c333
-rw-r--r--drivers/pcmcia/electra_cf.c2
-rw-r--r--drivers/pcmcia/i82365.h4
-rw-r--r--drivers/pcmcia/m32r_cfc.c2
-rw-r--r--drivers/pcmcia/m8xx_pcmcia.c4
-rw-r--r--drivers/pcmcia/o2micro.h45
-rw-r--r--drivers/pcmcia/omap_cf.c2
-rw-r--r--drivers/pcmcia/pcmcia_ioctl.c42
-rw-r--r--drivers/pcmcia/pcmcia_resource.c169
-rw-r--r--drivers/pcmcia/pd6729.c18
-rw-r--r--drivers/pcmcia/rsrc_mgr.c64
-rw-r--r--drivers/pcmcia/rsrc_nonstatic.c310
-rw-r--r--drivers/pcmcia/socket_sysfs.c196
-rw-r--r--drivers/pcmcia/xxs1500_ss.c340
-rw-r--r--drivers/pcmcia/yenta_socket.c18
29 files changed, 3007 insertions, 2824 deletions
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index 9f3adbd9f700..d189e4743e69 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -51,17 +51,23 @@ config PCMCIA_LOAD_CIS
51 51
52config PCMCIA_IOCTL 52config PCMCIA_IOCTL
53 bool "PCMCIA control ioctl (obsolete)" 53 bool "PCMCIA control ioctl (obsolete)"
54 depends on PCMCIA 54 depends on PCMCIA && ARM && !SMP && !PREEMPT
55 default y 55 default y
56 help 56 help
57 If you say Y here, the deprecated ioctl interface to the PCMCIA 57 If you say Y here, the deprecated ioctl interface to the PCMCIA
58 subsystem will be built. It is needed by cardmgr and cardctl 58 subsystem will be built. It is needed by the deprecated pcmcia-cs
59 (pcmcia-cs) to function properly. 59 tools (cardmgr, cardctl) to function properly.
60 60
61 You should use the new pcmciautils package instead (see 61 You should use the new pcmciautils package instead (see
62 <file:Documentation/Changes> for location and details). 62 <file:Documentation/Changes> for location and details).
63 63
64 If unsure, say Y. 64 This config option will most likely be removed from kernel 2.6.35,
65 the associated code from kernel 2.6.36.
66
67 As the PCMCIA ioctl is not locking safe, it depends on !SMP and
68 !PREEMPT.
69
70 If unsure, say N.
65 71
66config CARDBUS 72config CARDBUS
67 bool "32-bit CardBus support" 73 bool "32-bit CardBus support"
@@ -84,7 +90,7 @@ config YENTA
84 tristate "CardBus yenta-compatible bridge support" 90 tristate "CardBus yenta-compatible bridge support"
85 depends on PCI 91 depends on PCI
86 select CARDBUS if !EMBEDDED 92 select CARDBUS if !EMBEDDED
87 select PCCARD_NONSTATIC 93 select PCCARD_NONSTATIC if PCMCIA != n
88 ---help--- 94 ---help---
89 This option enables support for CardBus host bridges. Virtually 95 This option enables support for CardBus host bridges. Virtually
90 all modern PCMCIA bridges are CardBus compatible. A "bridge" is 96 all modern PCMCIA bridges are CardBus compatible. A "bridge" is
@@ -161,9 +167,8 @@ config TCIC
161 167
162config PCMCIA_M8XX 168config PCMCIA_M8XX
163 tristate "MPC8xx PCMCIA support" 169 tristate "MPC8xx PCMCIA support"
164 depends on PCMCIA && PPC && 8xx 170 depends on PCCARD && PPC && 8xx
165 select PCCARD_IODYN 171 select PCCARD_IODYN if PCMCIA != n
166 select PCCARD_NONSTATIC
167 help 172 help
168 Say Y here to include support for PowerPC 8xx series PCMCIA 173 Say Y here to include support for PowerPC 8xx series PCMCIA
169 controller. 174 controller.
@@ -174,6 +179,27 @@ config PCMCIA_AU1X00
174 tristate "Au1x00 pcmcia support" 179 tristate "Au1x00 pcmcia support"
175 depends on SOC_AU1X00 && PCMCIA 180 depends on SOC_AU1X00 && PCMCIA
176 181
182config PCMCIA_ALCHEMY_DEVBOARD
183 tristate "Alchemy Db/Pb1xxx PCMCIA socket services"
184 depends on SOC_AU1X00 && PCMCIA
185 select 64BIT_PHYS_ADDR
186 help
187 Enable this driver of you want PCMCIA support on your Alchemy
188 Db1000, Db/Pb1100, Db/Pb1500, Db/Pb1550, Db/Pb1200 board.
189 NOT suitable for the PB1000!
190
191 This driver is also available as a module called db1xxx_ss.ko
192
193config PCMCIA_XXS1500
194 tristate "MyCable XXS1500 PCMCIA socket support"
195 depends on PCMCIA && MIPS_XXS1500
196 select 64BIT_PHYS_ADDR
197 help
198 Support for the PCMCIA/CF socket interface on MyCable XXS1500
199 systems.
200
201 This driver is also available as a module called xxs1500_ss.ko
202
177config PCMCIA_BCM63XX 203config PCMCIA_BCM63XX
178 tristate "bcm63xx pcmcia support" 204 tristate "bcm63xx pcmcia support"
179 depends on BCM63XX && PCMCIA 205 depends on BCM63XX && PCMCIA
@@ -238,14 +264,12 @@ config PCMCIA_PROBE
238config M32R_PCC 264config M32R_PCC
239 bool "M32R PCMCIA I/F" 265 bool "M32R PCMCIA I/F"
240 depends on M32R && CHIP_M32700 && PCMCIA 266 depends on M32R && CHIP_M32700 && PCMCIA
241 select PCCARD_NONSTATIC
242 help 267 help
243 Say Y here to use the M32R PCMCIA controller. 268 Say Y here to use the M32R PCMCIA controller.
244 269
245config M32R_CFC 270config M32R_CFC
246 bool "M32R CF I/F Controller" 271 bool "M32R CF I/F Controller"
247 depends on M32R && (PLAT_USRV || PLAT_M32700UT || PLAT_MAPPI2 || PLAT_MAPPI3 || PLAT_OPSPUT) 272 depends on M32R && (PLAT_USRV || PLAT_M32700UT || PLAT_MAPPI2 || PLAT_MAPPI3 || PLAT_OPSPUT)
248 select PCCARD_NONSTATIC
249 help 273 help
250 Say Y here to use the M32R CompactFlash controller. 274 Say Y here to use the M32R CompactFlash controller.
251 275
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index 83ff802de544..381b031d9d75 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -2,11 +2,11 @@
2# Makefile for the kernel pcmcia subsystem (c/o David Hinds) 2# Makefile for the kernel pcmcia subsystem (c/o David Hinds)
3# 3#
4 4
5pcmcia_core-y += cs.o cistpl.o rsrc_mgr.o socket_sysfs.o 5pcmcia_core-y += cs.o rsrc_mgr.o socket_sysfs.o
6pcmcia_core-$(CONFIG_CARDBUS) += cardbus.o 6pcmcia_core-$(CONFIG_CARDBUS) += cardbus.o
7obj-$(CONFIG_PCCARD) += pcmcia_core.o 7obj-$(CONFIG_PCCARD) += pcmcia_core.o
8 8
9pcmcia-y += ds.o pcmcia_resource.o 9pcmcia-y += ds.o pcmcia_resource.o cistpl.o
10pcmcia-$(CONFIG_PCMCIA_IOCTL) += pcmcia_ioctl.o 10pcmcia-$(CONFIG_PCMCIA_IOCTL) += pcmcia_ioctl.o
11obj-$(CONFIG_PCMCIA) += pcmcia.o 11obj-$(CONFIG_PCMCIA) += pcmcia.o
12 12
@@ -35,18 +35,10 @@ obj-$(CONFIG_OMAP_CF) += omap_cf.o
35obj-$(CONFIG_BFIN_CFPCMCIA) += bfin_cf_pcmcia.o 35obj-$(CONFIG_BFIN_CFPCMCIA) += bfin_cf_pcmcia.o
36obj-$(CONFIG_AT91_CF) += at91_cf.o 36obj-$(CONFIG_AT91_CF) += at91_cf.o
37obj-$(CONFIG_ELECTRA_CF) += electra_cf.o 37obj-$(CONFIG_ELECTRA_CF) += electra_cf.o
38obj-$(CONFIG_PCMCIA_ALCHEMY_DEVBOARD) += db1xxx_ss.o
38 39
39au1x00_ss-y += au1000_generic.o 40au1x00_ss-y += au1000_generic.o
40au1x00_ss-$(CONFIG_MIPS_PB1000) += au1000_pb1x00.o 41au1x00_ss-$(CONFIG_MIPS_PB1000) += au1000_pb1x00.o
41au1x00_ss-$(CONFIG_MIPS_PB1100) += au1000_pb1x00.o
42au1x00_ss-$(CONFIG_MIPS_PB1200) += au1000_db1x00.o
43au1x00_ss-$(CONFIG_MIPS_PB1500) += au1000_pb1x00.o
44au1x00_ss-$(CONFIG_MIPS_DB1000) += au1000_db1x00.o
45au1x00_ss-$(CONFIG_MIPS_DB1100) += au1000_db1x00.o
46au1x00_ss-$(CONFIG_MIPS_DB1200) += au1000_db1x00.o
47au1x00_ss-$(CONFIG_MIPS_DB1500) += au1000_db1x00.o
48au1x00_ss-$(CONFIG_MIPS_DB1550) += au1000_db1x00.o
49au1x00_ss-$(CONFIG_MIPS_XXS1500) += au1000_xxs1500.o
50 42
51sa1111_cs-y += sa1111_generic.o 43sa1111_cs-y += sa1111_generic.o
52sa1111_cs-$(CONFIG_ASSABET_NEPONSET) += sa1100_neponset.o 44sa1111_cs-$(CONFIG_ASSABET_NEPONSET) += sa1100_neponset.o
@@ -76,3 +68,5 @@ pxa2xx-obj-$(CONFIG_MACH_E740) += pxa2xx_e740.o
76pxa2xx-obj-$(CONFIG_MACH_STARGATE2) += pxa2xx_stargate2.o 68pxa2xx-obj-$(CONFIG_MACH_STARGATE2) += pxa2xx_stargate2.o
77 69
78obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y) 70obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y)
71
72obj-$(CONFIG_PCMCIA_XXS1500) += xxs1500_ss.o
diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index e1dccedc5960..5d228071ec69 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -52,8 +52,6 @@ struct at91_cf_socket {
52 unsigned long phys_baseaddr; 52 unsigned long phys_baseaddr;
53}; 53};
54 54
55#define SZ_2K (2 * SZ_1K)
56
57static inline int at91_cf_present(struct at91_cf_socket *cf) 55static inline int at91_cf_present(struct at91_cf_socket *cf)
58{ 56{
59 return !gpio_get_value(cf->board->det_pin); 57 return !gpio_get_value(cf->board->det_pin);
diff --git a/drivers/pcmcia/au1000_db1x00.c b/drivers/pcmcia/au1000_db1x00.c
deleted file mode 100644
index c78d77fd7e3b..000000000000
--- a/drivers/pcmcia/au1000_db1x00.c
+++ /dev/null
@@ -1,305 +0,0 @@
1/*
2 *
3 * Alchemy Semi Db1x00 boards specific pcmcia routines.
4 *
5 * Copyright 2002 MontaVista Software Inc.
6 * Author: MontaVista Software, Inc.
7 * ppopov@mvista.com or source@mvista.com
8 *
9 * Copyright 2004 Pete Popov, updated the driver to 2.6.
10 * Followed the sa11xx API and largely copied many of the hardware
11 * independent functions.
12 *
13 * ########################################################################
14 *
15 * This program is free software; you can distribute it and/or modify it
16 * under the terms of the GNU General Public License (Version 2) as
17 * published by the Free Software Foundation.
18 *
19 * This program is distributed in the hope it will be useful, but WITHOUT
20 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
21 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 * for more details.
23 *
24 * You should have received a copy of the GNU General Public License along
25 * with this program; if not, write to the Free Software Foundation, Inc.,
26 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
27 *
28 * ########################################################################
29 *
30 *
31 */
32
33#include <linux/module.h>
34#include <linux/kernel.h>
35#include <linux/errno.h>
36#include <linux/interrupt.h>
37#include <linux/device.h>
38#include <linux/init.h>
39
40#include <asm/irq.h>
41#include <asm/signal.h>
42#include <asm/mach-au1x00/au1000.h>
43
44#if defined(CONFIG_MIPS_DB1200)
45 #include <db1200.h>
46#elif defined(CONFIG_MIPS_PB1200)
47 #include <pb1200.h>
48#else
49 #include <asm/mach-db1x00/db1x00.h>
50 static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
51#endif
52
53#include "au1000_generic.h"
54
55#if 0
56#define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args)
57#else
58#define debug(x,args...)
59#endif
60
61
62struct au1000_pcmcia_socket au1000_pcmcia_socket[PCMCIA_NUM_SOCKS];
63extern int au1x00_pcmcia_socket_probe(struct device *, struct pcmcia_low_level *, int, int);
64
65static int db1x00_pcmcia_hw_init(struct au1000_pcmcia_socket *skt)
66{
67#ifdef CONFIG_MIPS_DB1550
68 skt->irq = skt->nr ? AU1000_GPIO_5 : AU1000_GPIO_3;
69#elif defined(CONFIG_MIPS_DB1200) || defined(CONFIG_MIPS_PB1200)
70 skt->irq = skt->nr ? BOARD_PC1_INT : BOARD_PC0_INT;
71#else
72 skt->irq = skt->nr ? AU1000_GPIO_5 : AU1000_GPIO_2;
73#endif
74 return 0;
75}
76
77static void db1x00_pcmcia_shutdown(struct au1000_pcmcia_socket *skt)
78{
79 bcsr->pcmcia = 0; /* turn off power */
80 au_sync_delay(2);
81}
82
83static void
84db1x00_pcmcia_socket_state(struct au1000_pcmcia_socket *skt, struct pcmcia_state *state)
85{
86 u32 inserted;
87 unsigned char vs;
88
89 state->ready = 0;
90 state->vs_Xv = 0;
91 state->vs_3v = 0;
92 state->detect = 0;
93
94 switch (skt->nr) {
95 case 0:
96 vs = bcsr->status & 0x3;
97#if defined(CONFIG_MIPS_DB1200) || defined(CONFIG_MIPS_PB1200)
98 inserted = BOARD_CARD_INSERTED(0);
99#else
100 inserted = !(bcsr->status & (1<<4));
101#endif
102 break;
103 case 1:
104 vs = (bcsr->status & 0xC)>>2;
105#if defined(CONFIG_MIPS_DB1200) || defined(CONFIG_MIPS_PB1200)
106 inserted = BOARD_CARD_INSERTED(1);
107#else
108 inserted = !(bcsr->status & (1<<5));
109#endif
110 break;
111 default:/* should never happen */
112 return;
113 }
114
115 if (inserted)
116 debug("db1x00 socket %d: inserted %d, vs %d pcmcia %x\n",
117 skt->nr, inserted, vs, bcsr->pcmcia);
118
119 if (inserted) {
120 switch (vs) {
121 case 0:
122 case 2:
123 state->vs_3v=1;
124 break;
125 case 3: /* 5V */
126 break;
127 default:
128 /* return without setting 'detect' */
129 printk(KERN_ERR "db1x00 bad VS (%d)\n",
130 vs);
131 }
132 state->detect = 1;
133 state->ready = 1;
134 }
135 else {
136 /* if the card was previously inserted and then ejected,
137 * we should turn off power to it
138 */
139 if ((skt->nr == 0) && (bcsr->pcmcia & BCSR_PCMCIA_PC0RST)) {
140 bcsr->pcmcia &= ~(BCSR_PCMCIA_PC0RST |
141 BCSR_PCMCIA_PC0DRVEN |
142 BCSR_PCMCIA_PC0VPP |
143 BCSR_PCMCIA_PC0VCC);
144 au_sync_delay(10);
145 }
146 else if ((skt->nr == 1) && bcsr->pcmcia & BCSR_PCMCIA_PC1RST) {
147 bcsr->pcmcia &= ~(BCSR_PCMCIA_PC1RST |
148 BCSR_PCMCIA_PC1DRVEN |
149 BCSR_PCMCIA_PC1VPP |
150 BCSR_PCMCIA_PC1VCC);
151 au_sync_delay(10);
152 }
153 }
154
155 state->bvd1=1;
156 state->bvd2=1;
157 state->wrprot=0;
158}
159
160static int
161db1x00_pcmcia_configure_socket(struct au1000_pcmcia_socket *skt, struct socket_state_t *state)
162{
163 u16 pwr;
164 int sock = skt->nr;
165
166 debug("config_skt %d Vcc %dV Vpp %dV, reset %d\n",
167 sock, state->Vcc, state->Vpp,
168 state->flags & SS_RESET);
169
170 /* pcmcia reg was set to zero at init time. Be careful when
171 * initializing a socket not to wipe out the settings of the
172 * other socket.
173 */
174 pwr = bcsr->pcmcia;
175 pwr &= ~(0xf << sock*8); /* clear voltage settings */
176
177 state->Vpp = 0;
178 switch(state->Vcc){
179 case 0: /* Vcc 0 */
180 pwr |= SET_VCC_VPP(0,0,sock);
181 break;
182 case 50: /* Vcc 5V */
183 switch(state->Vpp) {
184 case 0:
185 pwr |= SET_VCC_VPP(2,0,sock);
186 break;
187 case 50:
188 pwr |= SET_VCC_VPP(2,1,sock);
189 break;
190 case 12:
191 pwr |= SET_VCC_VPP(2,2,sock);
192 break;
193 case 33:
194 default:
195 pwr |= SET_VCC_VPP(0,0,sock);
196 printk("%s: bad Vcc/Vpp (%d:%d)\n",
197 __func__,
198 state->Vcc,
199 state->Vpp);
200 break;
201 }
202 break;
203 case 33: /* Vcc 3.3V */
204 switch(state->Vpp) {
205 case 0:
206 pwr |= SET_VCC_VPP(1,0,sock);
207 break;
208 case 12:
209 pwr |= SET_VCC_VPP(1,2,sock);
210 break;
211 case 33:
212 pwr |= SET_VCC_VPP(1,1,sock);
213 break;
214 case 50:
215 default:
216 pwr |= SET_VCC_VPP(0,0,sock);
217 printk("%s: bad Vcc/Vpp (%d:%d)\n",
218 __func__,
219 state->Vcc,
220 state->Vpp);
221 break;
222 }
223 break;
224 default: /* what's this ? */
225 pwr |= SET_VCC_VPP(0,0,sock);
226 printk(KERN_ERR "%s: bad Vcc %d\n",
227 __func__, state->Vcc);
228 break;
229 }
230
231 bcsr->pcmcia = pwr;
232 au_sync_delay(300);
233
234 if (sock == 0) {
235 if (!(state->flags & SS_RESET)) {
236 pwr |= BCSR_PCMCIA_PC0DRVEN;
237 bcsr->pcmcia = pwr;
238 au_sync_delay(300);
239 pwr |= BCSR_PCMCIA_PC0RST;
240 bcsr->pcmcia = pwr;
241 au_sync_delay(100);
242 }
243 else {
244 pwr &= ~(BCSR_PCMCIA_PC0RST | BCSR_PCMCIA_PC0DRVEN);
245 bcsr->pcmcia = pwr;
246 au_sync_delay(100);
247 }
248 }
249 else {
250 if (!(state->flags & SS_RESET)) {
251 pwr |= BCSR_PCMCIA_PC1DRVEN;
252 bcsr->pcmcia = pwr;
253 au_sync_delay(300);
254 pwr |= BCSR_PCMCIA_PC1RST;
255 bcsr->pcmcia = pwr;
256 au_sync_delay(100);
257 }
258 else {
259 pwr &= ~(BCSR_PCMCIA_PC1RST | BCSR_PCMCIA_PC1DRVEN);
260 bcsr->pcmcia = pwr;
261 au_sync_delay(100);
262 }
263 }
264 return 0;
265}
266
267/*
268 * Enable card status IRQs on (re-)initialisation. This can
269 * be called at initialisation, power management event, or
270 * pcmcia event.
271 */
272void db1x00_socket_init(struct au1000_pcmcia_socket *skt)
273{
274 /* nothing to do for now */
275}
276
277/*
278 * Disable card status IRQs and PCMCIA bus on suspend.
279 */
280void db1x00_socket_suspend(struct au1000_pcmcia_socket *skt)
281{
282 /* nothing to do for now */
283}
284
285struct pcmcia_low_level db1x00_pcmcia_ops = {
286 .owner = THIS_MODULE,
287
288 .hw_init = db1x00_pcmcia_hw_init,
289 .hw_shutdown = db1x00_pcmcia_shutdown,
290
291 .socket_state = db1x00_pcmcia_socket_state,
292 .configure_socket = db1x00_pcmcia_configure_socket,
293
294 .socket_init = db1x00_socket_init,
295 .socket_suspend = db1x00_socket_suspend
296};
297
298int au1x_board_init(struct device *dev)
299{
300 int ret = -ENODEV;
301 bcsr->pcmcia = 0; /* turn off power, if it's not already off */
302 au_sync_delay(2);
303 ret = au1x00_pcmcia_socket_probe(dev, &db1x00_pcmcia_ops, 0, 2);
304 return ret;
305}
diff --git a/drivers/pcmcia/au1000_generic.c b/drivers/pcmcia/au1000_generic.c
index 02088704ac2c..171c8a654887 100644
--- a/drivers/pcmcia/au1000_generic.c
+++ b/drivers/pcmcia/au1000_generic.c
@@ -405,18 +405,16 @@ int au1x00_pcmcia_socket_probe(struct device *dev, struct pcmcia_low_level *ops,
405 skt->virt_io = (void *) 405 skt->virt_io = (void *)
406 (ioremap((phys_t)AU1X_SOCK0_IO, 0x1000) - 406 (ioremap((phys_t)AU1X_SOCK0_IO, 0x1000) -
407 (u32)mips_io_port_base); 407 (u32)mips_io_port_base);
408 skt->phys_attr = AU1X_SOCK0_PSEUDO_PHYS_ATTR; 408 skt->phys_attr = AU1X_SOCK0_PHYS_ATTR;
409 skt->phys_mem = AU1X_SOCK0_PSEUDO_PHYS_MEM; 409 skt->phys_mem = AU1X_SOCK0_PHYS_MEM;
410 } 410 }
411#ifndef CONFIG_MIPS_XXS1500
412 else { 411 else {
413 skt->virt_io = (void *) 412 skt->virt_io = (void *)
414 (ioremap((phys_t)AU1X_SOCK1_IO, 0x1000) - 413 (ioremap((phys_t)AU1X_SOCK1_IO, 0x1000) -
415 (u32)mips_io_port_base); 414 (u32)mips_io_port_base);
416 skt->phys_attr = AU1X_SOCK1_PSEUDO_PHYS_ATTR; 415 skt->phys_attr = AU1X_SOCK1_PHYS_ATTR;
417 skt->phys_mem = AU1X_SOCK1_PSEUDO_PHYS_MEM; 416 skt->phys_mem = AU1X_SOCK1_PHYS_MEM;
418 } 417 }
419#endif
420 pcmcia_base_vaddrs[i] = (u32 *)skt->virt_io; 418 pcmcia_base_vaddrs[i] = (u32 *)skt->virt_io;
421 ret = ops->hw_init(skt); 419 ret = ops->hw_init(skt);
422 420
diff --git a/drivers/pcmcia/au1000_generic.h b/drivers/pcmcia/au1000_generic.h
index 13a4fbc58711..a324d329dea6 100644
--- a/drivers/pcmcia/au1000_generic.h
+++ b/drivers/pcmcia/au1000_generic.h
@@ -36,30 +36,14 @@
36#define AU1X_SOCK0_IO 0xF00000000ULL 36#define AU1X_SOCK0_IO 0xF00000000ULL
37#define AU1X_SOCK0_PHYS_ATTR 0xF40000000ULL 37#define AU1X_SOCK0_PHYS_ATTR 0xF40000000ULL
38#define AU1X_SOCK0_PHYS_MEM 0xF80000000ULL 38#define AU1X_SOCK0_PHYS_MEM 0xF80000000ULL
39/* pseudo 32 bit phys addresses, which get fixed up to the
40 * real 36 bit address in fixup_bigphys_addr() */
41#define AU1X_SOCK0_PSEUDO_PHYS_ATTR 0xF4000000
42#define AU1X_SOCK0_PSEUDO_PHYS_MEM 0xF8000000
43 39
44/* pcmcia socket 1 needs external glue logic so the memory map 40/* pcmcia socket 1 needs external glue logic so the memory map
45 * differs from board to board. 41 * differs from board to board.
46 */ 42 */
47#if defined(CONFIG_MIPS_PB1000) || defined(CONFIG_MIPS_PB1100) || \ 43#if defined(CONFIG_MIPS_PB1000)
48 defined(CONFIG_MIPS_PB1500) || defined(CONFIG_MIPS_PB1550) || \
49 defined(CONFIG_MIPS_PB1200)
50#define AU1X_SOCK1_IO 0xF08000000ULL 44#define AU1X_SOCK1_IO 0xF08000000ULL
51#define AU1X_SOCK1_PHYS_ATTR 0xF48000000ULL 45#define AU1X_SOCK1_PHYS_ATTR 0xF48000000ULL
52#define AU1X_SOCK1_PHYS_MEM 0xF88000000ULL 46#define AU1X_SOCK1_PHYS_MEM 0xF88000000ULL
53#define AU1X_SOCK1_PSEUDO_PHYS_ATTR 0xF4800000
54#define AU1X_SOCK1_PSEUDO_PHYS_MEM 0xF8800000
55#elif defined(CONFIG_MIPS_DB1000) || defined(CONFIG_MIPS_DB1100) || \
56 defined(CONFIG_MIPS_DB1500) || defined(CONFIG_MIPS_DB1550) || \
57 defined(CONFIG_MIPS_DB1200)
58#define AU1X_SOCK1_IO 0xF04000000ULL
59#define AU1X_SOCK1_PHYS_ATTR 0xF44000000ULL
60#define AU1X_SOCK1_PHYS_MEM 0xF84000000ULL
61#define AU1X_SOCK1_PSEUDO_PHYS_ATTR 0xF4400000
62#define AU1X_SOCK1_PSEUDO_PHYS_MEM 0xF8400000
63#endif 47#endif
64 48
65struct pcmcia_state { 49struct pcmcia_state {
diff --git a/drivers/pcmcia/au1000_pb1x00.c b/drivers/pcmcia/au1000_pb1x00.c
index b1984ed72d1d..5a979cb8f3e6 100644
--- a/drivers/pcmcia/au1000_pb1x00.c
+++ b/drivers/pcmcia/au1000_pb1x00.c
@@ -1,6 +1,6 @@
1/* 1/*
2 * 2 *
3 * Alchemy Semi Pb1x00 boards specific pcmcia routines. 3 * Alchemy Semi Pb1000 boards specific pcmcia routines.
4 * 4 *
5 * Copyright 2002 MontaVista Software Inc. 5 * Copyright 2002 MontaVista Software Inc.
6 * Author: MontaVista Software, Inc. 6 * Author: MontaVista Software, Inc.
@@ -46,20 +46,11 @@
46 46
47#define debug(fmt, arg...) do { } while (0) 47#define debug(fmt, arg...) do { } while (0)
48 48
49#ifdef CONFIG_MIPS_PB1000
50#include <asm/pb1000.h> 49#include <asm/pb1000.h>
51#define PCMCIA_IRQ AU1000_GPIO_15 50#define PCMCIA_IRQ AU1000_GPIO_15
52#elif defined (CONFIG_MIPS_PB1500)
53#include <asm/pb1500.h>
54#define PCMCIA_IRQ AU1500_GPIO_203
55#elif defined (CONFIG_MIPS_PB1100)
56#include <asm/pb1100.h>
57#define PCMCIA_IRQ AU1000_GPIO_11
58#endif
59 51
60static int pb1x00_pcmcia_init(struct pcmcia_init *init) 52static int pb1x00_pcmcia_init(struct pcmcia_init *init)
61{ 53{
62#ifdef CONFIG_MIPS_PB1000
63 u16 pcr; 54 u16 pcr;
64 pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST; 55 pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST;
65 56
@@ -74,21 +65,10 @@ static int pb1x00_pcmcia_init(struct pcmcia_init *init)
74 au_sync_delay(20); 65 au_sync_delay(20);
75 66
76 return PCMCIA_NUM_SOCKS; 67 return PCMCIA_NUM_SOCKS;
77
78#else /* fixme -- take care of the Pb1500 at some point */
79
80 u16 pcr;
81 pcr = au_readw(PCMCIA_BOARD_REG) & ~0xf; /* turn off power */
82 pcr &= ~(PC_DEASSERT_RST | PC_DRV_EN);
83 au_writew(pcr, PCMCIA_BOARD_REG);
84 au_sync_delay(500);
85 return PCMCIA_NUM_SOCKS;
86#endif
87} 68}
88 69
89static int pb1x00_pcmcia_shutdown(void) 70static int pb1x00_pcmcia_shutdown(void)
90{ 71{
91#ifdef CONFIG_MIPS_PB1000
92 u16 pcr; 72 u16 pcr;
93 pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST; 73 pcr = PCR_SLOT_0_RST | PCR_SLOT_1_RST;
94 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0); 74 pcr |= SET_VCC_VPP(VCC_HIZ,VPP_HIZ,0);
@@ -96,14 +76,6 @@ static int pb1x00_pcmcia_shutdown(void)
96 au_writel(pcr, PB1000_PCR); 76 au_writel(pcr, PB1000_PCR);
97 au_sync_delay(20); 77 au_sync_delay(20);
98 return 0; 78 return 0;
99#else
100 u16 pcr;
101 pcr = au_readw(PCMCIA_BOARD_REG) & ~0xf; /* turn off power */
102 pcr &= ~(PC_DEASSERT_RST | PC_DRV_EN);
103 au_writew(pcr, PCMCIA_BOARD_REG);
104 au_sync_delay(2);
105 return 0;
106#endif
107} 79}
108 80
109static int 81static int
@@ -112,21 +84,11 @@ pb1x00_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state)
112 u32 inserted0, inserted1; 84 u32 inserted0, inserted1;
113 u16 vs0, vs1; 85 u16 vs0, vs1;
114 86
115#ifdef CONFIG_MIPS_PB1000
116 vs0 = vs1 = (u16)au_readl(PB1000_ACR1); 87 vs0 = vs1 = (u16)au_readl(PB1000_ACR1);
117 inserted0 = !(vs0 & (ACR1_SLOT_0_CD1 | ACR1_SLOT_0_CD2)); 88 inserted0 = !(vs0 & (ACR1_SLOT_0_CD1 | ACR1_SLOT_0_CD2));
118 inserted1 = !(vs1 & (ACR1_SLOT_1_CD1 | ACR1_SLOT_1_CD2)); 89 inserted1 = !(vs1 & (ACR1_SLOT_1_CD1 | ACR1_SLOT_1_CD2));
119 vs0 = (vs0 >> 4) & 0x3; 90 vs0 = (vs0 >> 4) & 0x3;
120 vs1 = (vs1 >> 12) & 0x3; 91 vs1 = (vs1 >> 12) & 0x3;
121#else
122 vs0 = (au_readw(BOARD_STATUS_REG) >> 4) & 0x3;
123#ifdef CONFIG_MIPS_PB1500
124 inserted0 = !((au_readl(GPIO2_PINSTATE) >> 1) & 0x1); /* gpio 201 */
125#else /* Pb1100 */
126 inserted0 = !((au_readl(SYS_PINSTATERD) >> 9) & 0x1); /* gpio 9 */
127#endif
128 inserted1 = 0;
129#endif
130 92
131 state->ready = 0; 93 state->ready = 0;
132 state->vs_Xv = 0; 94 state->vs_Xv = 0;
@@ -203,7 +165,6 @@ pb1x00_pcmcia_configure_socket(const struct pcmcia_configure *configure)
203 165
204 if(configure->sock > PCMCIA_MAX_SOCK) return -1; 166 if(configure->sock > PCMCIA_MAX_SOCK) return -1;
205 167
206#ifdef CONFIG_MIPS_PB1000
207 pcr = au_readl(PB1000_PCR); 168 pcr = au_readl(PB1000_PCR);
208 169
209 if (configure->sock == 0) { 170 if (configure->sock == 0) {
@@ -323,84 +284,6 @@ pb1x00_pcmcia_configure_socket(const struct pcmcia_configure *configure)
323 au_writel(pcr, PB1000_PCR); 284 au_writel(pcr, PB1000_PCR);
324 au_sync_delay(300); 285 au_sync_delay(300);
325 286
326#else
327
328 pcr = au_readw(PCMCIA_BOARD_REG) & ~0xf;
329
330 debug("Vcc %dV Vpp %dV, pcr %x, reset %d\n",
331 configure->vcc, configure->vpp, pcr, configure->reset);
332
333
334 switch(configure->vcc){
335 case 0: /* Vcc 0 */
336 pcr |= SET_VCC_VPP(0,0);
337 break;
338 case 50: /* Vcc 5V */
339 switch(configure->vpp) {
340 case 0:
341 pcr |= SET_VCC_VPP(2,0);
342 break;
343 case 50:
344 pcr |= SET_VCC_VPP(2,1);
345 break;
346 case 12:
347 pcr |= SET_VCC_VPP(2,2);
348 break;
349 case 33:
350 default:
351 pcr |= SET_VCC_VPP(0,0);
352 printk("%s: bad Vcc/Vpp (%d:%d)\n",
353 __func__,
354 configure->vcc,
355 configure->vpp);
356 break;
357 }
358 break;
359 case 33: /* Vcc 3.3V */
360 switch(configure->vpp) {
361 case 0:
362 pcr |= SET_VCC_VPP(1,0);
363 break;
364 case 12:
365 pcr |= SET_VCC_VPP(1,2);
366 break;
367 case 33:
368 pcr |= SET_VCC_VPP(1,1);
369 break;
370 case 50:
371 default:
372 pcr |= SET_VCC_VPP(0,0);
373 printk("%s: bad Vcc/Vpp (%d:%d)\n",
374 __func__,
375 configure->vcc,
376 configure->vpp);
377 break;
378 }
379 break;
380 default: /* what's this ? */
381 pcr |= SET_VCC_VPP(0,0);
382 printk(KERN_ERR "%s: bad Vcc %d\n",
383 __func__, configure->vcc);
384 break;
385 }
386
387 au_writew(pcr, PCMCIA_BOARD_REG);
388 au_sync_delay(300);
389
390 if (!configure->reset) {
391 pcr |= PC_DRV_EN;
392 au_writew(pcr, PCMCIA_BOARD_REG);
393 au_sync_delay(100);
394 pcr |= PC_DEASSERT_RST;
395 au_writew(pcr, PCMCIA_BOARD_REG);
396 au_sync_delay(100);
397 }
398 else {
399 pcr &= ~(PC_DEASSERT_RST | PC_DRV_EN);
400 au_writew(pcr, PCMCIA_BOARD_REG);
401 au_sync_delay(100);
402 }
403#endif
404 return 0; 287 return 0;
405} 288}
406 289
diff --git a/drivers/pcmcia/au1000_xxs1500.c b/drivers/pcmcia/au1000_xxs1500.c
deleted file mode 100644
index b43d47b50819..000000000000
--- a/drivers/pcmcia/au1000_xxs1500.c
+++ /dev/null
@@ -1,188 +0,0 @@
1/*
2 *
3 * MyCable board specific pcmcia routines.
4 *
5 * Copyright 2003 MontaVista Software Inc.
6 * Author: Pete Popov, MontaVista Software, Inc.
7 * ppopov@mvista.com or source@mvista.com
8 *
9 * ########################################################################
10 *
11 * This program is free software; you can distribute it and/or modify it
12 * under the terms of the GNU General Public License (Version 2) as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope it will be useful, but WITHOUT
16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 * for more details.
19 *
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 *
24 * ########################################################################
25 *
26 *
27 */
28#include <linux/module.h>
29#include <linux/init.h>
30#include <linux/delay.h>
31#include <linux/ioport.h>
32#include <linux/kernel.h>
33#include <linux/timer.h>
34#include <linux/mm.h>
35#include <linux/proc_fs.h>
36#include <linux/types.h>
37
38#include <pcmcia/cs_types.h>
39#include <pcmcia/cs.h>
40#include <pcmcia/ss.h>
41#include <pcmcia/cistpl.h>
42#include <pcmcia/bus_ops.h>
43
44#include <asm/io.h>
45#include <asm/irq.h>
46#include <asm/system.h>
47
48#include <asm/au1000.h>
49#include <asm/au1000_pcmcia.h>
50
51#define PCMCIA_MAX_SOCK 0
52#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK + 1)
53#define PCMCIA_IRQ AU1000_GPIO_4
54
55#if 0
56#define DEBUG(x, args...) printk(__func__ ": " x, ##args)
57#else
58#define DEBUG(x,args...)
59#endif
60
61static int xxs1500_pcmcia_init(struct pcmcia_init *init)
62{
63 return PCMCIA_NUM_SOCKS;
64}
65
66static int xxs1500_pcmcia_shutdown(void)
67{
68 /* turn off power */
69 au_writel(au_readl(GPIO2_PINSTATE) | (1<<14)|(1<<30),
70 GPIO2_OUTPUT);
71 au_sync_delay(100);
72
73 /* assert reset */
74 au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20),
75 GPIO2_OUTPUT);
76 au_sync_delay(100);
77 return 0;
78}
79
80
81static int
82xxs1500_pcmcia_socket_state(unsigned sock, struct pcmcia_state *state)
83{
84 u32 inserted; u32 vs;
85 unsigned long gpio, gpio2;
86
87 if(sock > PCMCIA_MAX_SOCK) return -1;
88
89 gpio = au_readl(SYS_PINSTATERD);
90 gpio2 = au_readl(GPIO2_PINSTATE);
91
92 vs = gpio2 & ((1<<8) | (1<<9));
93 inserted = (!(gpio & 0x1) && !(gpio & 0x2));
94
95 state->ready = 0;
96 state->vs_Xv = 0;
97 state->vs_3v = 0;
98 state->detect = 0;
99
100 if (inserted) {
101 switch (vs) {
102 case 0:
103 case 1:
104 case 2:
105 state->vs_3v=1;
106 break;
107 case 3: /* 5V */
108 default:
109 /* return without setting 'detect' */
110 printk(KERN_ERR "au1x00_cs: unsupported VS\n",
111 vs);
112 return;
113 }
114 state->detect = 1;
115 }
116
117 if (state->detect) {
118 state->ready = 1;
119 }
120
121 state->bvd1= gpio2 & (1<<10);
122 state->bvd2 = gpio2 & (1<<11);
123 state->wrprot=0;
124 return 1;
125}
126
127
128static int xxs1500_pcmcia_get_irq_info(struct pcmcia_irq_info *info)
129{
130
131 if(info->sock > PCMCIA_MAX_SOCK) return -1;
132 info->irq = PCMCIA_IRQ;
133 return 0;
134}
135
136
137static int
138xxs1500_pcmcia_configure_socket(const struct pcmcia_configure *configure)
139{
140
141 if(configure->sock > PCMCIA_MAX_SOCK) return -1;
142
143 DEBUG("Vcc %dV Vpp %dV, reset %d\n",
144 configure->vcc, configure->vpp, configure->reset);
145
146 switch(configure->vcc){
147 case 33: /* Vcc 3.3V */
148 /* turn on power */
149 DEBUG("turn on power\n");
150 au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30),
151 GPIO2_OUTPUT);
152 au_sync_delay(100);
153 break;
154 case 50: /* Vcc 5V */
155 default: /* what's this ? */
156 printk(KERN_ERR "au1x00_cs: unsupported VCC\n");
157 case 0: /* Vcc 0 */
158 /* turn off power */
159 au_sync_delay(100);
160 au_writel(au_readl(GPIO2_PINSTATE) | (1<<14)|(1<<30),
161 GPIO2_OUTPUT);
162 break;
163 }
164
165 if (!configure->reset) {
166 DEBUG("deassert reset\n");
167 au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<4))|(1<<20),
168 GPIO2_OUTPUT);
169 au_sync_delay(100);
170 au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<5))|(1<<21),
171 GPIO2_OUTPUT);
172 }
173 else {
174 DEBUG("assert reset\n");
175 au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20),
176 GPIO2_OUTPUT);
177 }
178 au_sync_delay(100);
179 return 0;
180}
181
182struct pcmcia_low_level xxs1500_pcmcia_ops = {
183 xxs1500_pcmcia_init,
184 xxs1500_pcmcia_shutdown,
185 xxs1500_pcmcia_socket_state,
186 xxs1500_pcmcia_get_irq_info,
187 xxs1500_pcmcia_configure_socket
188};
diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c
index 300b368605c9..2482ce7ac6dc 100644
--- a/drivers/pcmcia/bfin_cf_pcmcia.c
+++ b/drivers/pcmcia/bfin_cf_pcmcia.c
@@ -205,7 +205,7 @@ static int __devinit bfin_cf_probe(struct platform_device *pdev)
205 dev_info(&pdev->dev, "Blackfin CompactFlash/PCMCIA Socket Driver\n"); 205 dev_info(&pdev->dev, "Blackfin CompactFlash/PCMCIA Socket Driver\n");
206 206
207 irq = platform_get_irq(pdev, 0); 207 irq = platform_get_irq(pdev, 0);
208 if (!irq) 208 if (irq <= 0)
209 return -EINVAL; 209 return -EINVAL;
210 210
211 cd_pfx = platform_get_irq(pdev, 1); /*Card Detect GPIO PIN */ 211 cd_pfx = platform_get_irq(pdev, 1); /*Card Detect GPIO PIN */
diff --git a/drivers/pcmcia/cardbus.c b/drivers/pcmcia/cardbus.c
index d99f846451a3..e6ab2a47d8cb 100644
--- a/drivers/pcmcia/cardbus.c
+++ b/drivers/pcmcia/cardbus.c
@@ -20,170 +20,12 @@
20 */ 20 */
21 21
22 22
23#include <linux/module.h>
24#include <linux/kernel.h> 23#include <linux/kernel.h>
25#include <linux/string.h> 24#include <linux/module.h>
26#include <linux/slab.h>
27#include <linux/mm.h>
28#include <linux/pci.h> 25#include <linux/pci.h>
29#include <linux/ioport.h>
30#include <linux/io.h>
31#include <asm/irq.h>
32 26
33#include <pcmcia/cs_types.h>
34#include <pcmcia/ss.h> 27#include <pcmcia/ss.h>
35#include <pcmcia/cs.h>
36#include <pcmcia/cistpl.h>
37#include "cs_internal.h"
38
39/*====================================================================*/
40
41/* Offsets in the Expansion ROM Image Header */
42#define ROM_SIGNATURE 0x0000 /* 2 bytes */
43#define ROM_DATA_PTR 0x0018 /* 2 bytes */
44
45/* Offsets in the CardBus PC Card Data Structure */
46#define PCDATA_SIGNATURE 0x0000 /* 4 bytes */
47#define PCDATA_VPD_PTR 0x0008 /* 2 bytes */
48#define PCDATA_LENGTH 0x000a /* 2 bytes */
49#define PCDATA_REVISION 0x000c
50#define PCDATA_IMAGE_SZ 0x0010 /* 2 bytes */
51#define PCDATA_ROM_LEVEL 0x0012 /* 2 bytes */
52#define PCDATA_CODE_TYPE 0x0014
53#define PCDATA_INDICATOR 0x0015
54
55/*=====================================================================
56
57 Expansion ROM's have a special layout, and pointers specify an
58 image number and an offset within that image. xlate_rom_addr()
59 converts an image/offset address to an absolute offset from the
60 ROM's base address.
61
62=====================================================================*/
63
64static u_int xlate_rom_addr(void __iomem *b, u_int addr)
65{
66 u_int img = 0, ofs = 0, sz;
67 u_short data;
68 while ((readb(b) == 0x55) && (readb(b + 1) == 0xaa)) {
69 if (img == (addr >> 28))
70 return (addr & 0x0fffffff) + ofs;
71 data = readb(b + ROM_DATA_PTR) + (readb(b + ROM_DATA_PTR + 1) << 8);
72 sz = 512 * (readb(b + data + PCDATA_IMAGE_SZ) +
73 (readb(b + data + PCDATA_IMAGE_SZ + 1) << 8));
74 if ((sz == 0) || (readb(b + data + PCDATA_INDICATOR) & 0x80))
75 break;
76 b += sz;
77 ofs += sz;
78 img++;
79 }
80 return 0;
81}
82
83/*=====================================================================
84
85 These are similar to setup_cis_mem and release_cis_mem for 16-bit
86 cards. The "result" that is used externally is the cb_cis_virt
87 pointer in the struct pcmcia_socket structure.
88
89=====================================================================*/
90
91static void cb_release_cis_mem(struct pcmcia_socket *s)
92{
93 if (s->cb_cis_virt) {
94 dev_dbg(&s->dev, "cb_release_cis_mem()\n");
95 iounmap(s->cb_cis_virt);
96 s->cb_cis_virt = NULL;
97 s->cb_cis_res = NULL;
98 }
99}
100
101static int cb_setup_cis_mem(struct pcmcia_socket *s, struct resource *res)
102{
103 unsigned int start, size;
104
105 if (res == s->cb_cis_res)
106 return 0;
107
108 if (s->cb_cis_res)
109 cb_release_cis_mem(s);
110
111 start = res->start;
112 size = res->end - start + 1;
113 s->cb_cis_virt = ioremap(start, size);
114
115 if (!s->cb_cis_virt)
116 return -1;
117
118 s->cb_cis_res = res;
119
120 return 0;
121}
122
123/*=====================================================================
124
125 This is used by the CIS processing code to read CIS information
126 from a CardBus device.
127
128=====================================================================*/
129
130int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len,
131 void *ptr)
132{
133 struct pci_dev *dev;
134 struct resource *res;
135
136 dev_dbg(&s->dev, "read_cb_mem(%d, %#x, %u)\n", space, addr, len);
137 28
138 dev = pci_get_slot(s->cb_dev->subordinate, 0);
139 if (!dev)
140 goto fail;
141
142 /* Config space? */
143 if (space == 0) {
144 if (addr + len > 0x100)
145 goto failput;
146 for (; len; addr++, ptr++, len--)
147 pci_read_config_byte(dev, addr, ptr);
148 return 0;
149 }
150
151 res = dev->resource + space - 1;
152
153 pci_dev_put(dev);
154
155 if (!res->flags)
156 goto fail;
157
158 if (cb_setup_cis_mem(s, res) != 0)
159 goto fail;
160
161 if (space == 7) {
162 addr = xlate_rom_addr(s->cb_cis_virt, addr);
163 if (addr == 0)
164 goto fail;
165 }
166
167 if (addr + len > res->end - res->start)
168 goto fail;
169
170 memcpy_fromio(ptr, s->cb_cis_virt + addr, len);
171 return 0;
172
173failput:
174 pci_dev_put(dev);
175fail:
176 memset(ptr, 0xff, len);
177 return -1;
178}
179
180/*=====================================================================
181
182 cb_alloc() and cb_free() allocate and free the kernel data
183 structures for a Cardbus device, and handle the lowest level PCI
184 device setup issues.
185
186=====================================================================*/
187 29
188static void cardbus_config_irq_and_cls(struct pci_bus *bus, int irq) 30static void cardbus_config_irq_and_cls(struct pci_bus *bus, int irq)
189{ 31{
@@ -215,6 +57,13 @@ static void cardbus_config_irq_and_cls(struct pci_bus *bus, int irq)
215 } 57 }
216} 58}
217 59
60/**
61 * cb_alloc() - add CardBus device
62 * @s: the pcmcia_socket where the CardBus device is located
63 *
64 * cb_alloc() allocates the kernel data structures for a Cardbus device
65 * and handles the lowest level PCI device setup issues.
66 */
218int __ref cb_alloc(struct pcmcia_socket *s) 67int __ref cb_alloc(struct pcmcia_socket *s)
219{ 68{
220 struct pci_bus *bus = s->cb_dev->subordinate; 69 struct pci_bus *bus = s->cb_dev->subordinate;
@@ -222,7 +71,7 @@ int __ref cb_alloc(struct pcmcia_socket *s)
222 unsigned int max, pass; 71 unsigned int max, pass;
223 72
224 s->functions = pci_scan_slot(bus, PCI_DEVFN(0, 0)); 73 s->functions = pci_scan_slot(bus, PCI_DEVFN(0, 0));
225 pci_fixup_cardbus(bus); 74 pci_fixup_cardbus(bus);
226 75
227 max = bus->secondary; 76 max = bus->secondary;
228 for (pass = 0; pass < 2; pass++) 77 for (pass = 0; pass < 2; pass++)
@@ -249,12 +98,16 @@ int __ref cb_alloc(struct pcmcia_socket *s)
249 return 0; 98 return 0;
250} 99}
251 100
101/**
102 * cb_free() - remove CardBus device
103 * @s: the pcmcia_socket where the CardBus device was located
104 *
105 * cb_free() handles the lowest level PCI device cleanup.
106 */
252void cb_free(struct pcmcia_socket *s) 107void cb_free(struct pcmcia_socket *s)
253{ 108{
254 struct pci_dev *bridge = s->cb_dev; 109 struct pci_dev *bridge = s->cb_dev;
255 110
256 cb_release_cis_mem(s);
257
258 if (bridge) 111 if (bridge)
259 pci_remove_behind_bridge(bridge); 112 pci_remove_behind_bridge(bridge);
260} 113}
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index 25b1cd219e37..f230f6543bff 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -54,43 +54,44 @@ static const u_int exponent[] = {
54/* Upper limit on reasonable # of tuples */ 54/* Upper limit on reasonable # of tuples */
55#define MAX_TUPLES 200 55#define MAX_TUPLES 200
56 56
57/*====================================================================*/
58
59/* Parameters that can be set with 'insmod' */
60
61/* 16-bit CIS? */ 57/* 16-bit CIS? */
62static int cis_width; 58static int cis_width;
63module_param(cis_width, int, 0444); 59module_param(cis_width, int, 0444);
64 60
65void release_cis_mem(struct pcmcia_socket *s) 61void release_cis_mem(struct pcmcia_socket *s)
66{ 62{
67 if (s->cis_mem.flags & MAP_ACTIVE) { 63 mutex_lock(&s->ops_mutex);
68 s->cis_mem.flags &= ~MAP_ACTIVE; 64 if (s->cis_mem.flags & MAP_ACTIVE) {
69 s->ops->set_mem_map(s, &s->cis_mem); 65 s->cis_mem.flags &= ~MAP_ACTIVE;
70 if (s->cis_mem.res) { 66 s->ops->set_mem_map(s, &s->cis_mem);
71 release_resource(s->cis_mem.res); 67 if (s->cis_mem.res) {
72 kfree(s->cis_mem.res); 68 release_resource(s->cis_mem.res);
73 s->cis_mem.res = NULL; 69 kfree(s->cis_mem.res);
70 s->cis_mem.res = NULL;
71 }
72 iounmap(s->cis_virt);
73 s->cis_virt = NULL;
74 } 74 }
75 iounmap(s->cis_virt); 75 mutex_unlock(&s->ops_mutex);
76 s->cis_virt = NULL;
77 }
78} 76}
79EXPORT_SYMBOL(release_cis_mem);
80 77
81/* 78/**
82 * Map the card memory at "card_offset" into virtual space. 79 * set_cis_map() - map the card memory at "card_offset" into virtual space.
80 *
83 * If flags & MAP_ATTRIB, map the attribute space, otherwise 81 * If flags & MAP_ATTRIB, map the attribute space, otherwise
84 * map the memory space. 82 * map the memory space.
83 *
84 * Must be called with ops_mutex held.
85 */ 85 */
86static void __iomem * 86static void __iomem *set_cis_map(struct pcmcia_socket *s,
87set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flags) 87 unsigned int card_offset, unsigned int flags)
88{ 88{
89 pccard_mem_map *mem = &s->cis_mem; 89 pccard_mem_map *mem = &s->cis_mem;
90 int ret; 90 int ret;
91 91
92 if (!(s->features & SS_CAP_STATIC_MAP) && (mem->res == NULL)) { 92 if (!(s->features & SS_CAP_STATIC_MAP) && (mem->res == NULL)) {
93 mem->res = pcmcia_find_mem_region(0, s->map_size, s->map_size, 0, s); 93 mem->res = pcmcia_find_mem_region(0, s->map_size,
94 s->map_size, 0, s);
94 if (mem->res == NULL) { 95 if (mem->res == NULL) {
95 dev_printk(KERN_NOTICE, &s->dev, 96 dev_printk(KERN_NOTICE, &s->dev,
96 "cs: unable to map card memory!\n"); 97 "cs: unable to map card memory!\n");
@@ -121,176 +122,200 @@ set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flag
121 return s->cis_virt; 122 return s->cis_virt;
122} 123}
123 124
124/*======================================================================
125
126 Low-level functions to read and write CIS memory. I think the
127 write routine is only useful for writing one-byte registers.
128
129======================================================================*/
130 125
131/* Bits in attr field */ 126/* Bits in attr field */
132#define IS_ATTR 1 127#define IS_ATTR 1
133#define IS_INDIRECT 8 128#define IS_INDIRECT 8
134 129
130/**
131 * pcmcia_read_cis_mem() - low-level function to read CIS memory
132 */
135int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, 133int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
136 u_int len, void *ptr) 134 u_int len, void *ptr)
137{ 135{
138 void __iomem *sys, *end; 136 void __iomem *sys, *end;
139 unsigned char *buf = ptr; 137 unsigned char *buf = ptr;
140 138
141 dev_dbg(&s->dev, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len); 139 dev_dbg(&s->dev, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len);
142 140
143 if (attr & IS_INDIRECT) { 141 mutex_lock(&s->ops_mutex);
144 /* Indirect accesses use a bunch of special registers at fixed 142 if (attr & IS_INDIRECT) {
145 locations in common memory */ 143 /* Indirect accesses use a bunch of special registers at fixed
146 u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN; 144 locations in common memory */
147 if (attr & IS_ATTR) { 145 u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
148 addr *= 2; 146 if (attr & IS_ATTR) {
149 flags = ICTRL0_AUTOINC; 147 addr *= 2;
150 } 148 flags = ICTRL0_AUTOINC;
149 }
151 150
152 sys = set_cis_map(s, 0, MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0)); 151 sys = set_cis_map(s, 0, MAP_ACTIVE |
153 if (!sys) { 152 ((cis_width) ? MAP_16BIT : 0));
154 memset(ptr, 0xff, len); 153 if (!sys) {
155 return -1; 154 dev_dbg(&s->dev, "could not map memory\n");
156 } 155 memset(ptr, 0xff, len);
156 mutex_unlock(&s->ops_mutex);
157 return -1;
158 }
157 159
158 writeb(flags, sys+CISREG_ICTRL0); 160 writeb(flags, sys+CISREG_ICTRL0);
159 writeb(addr & 0xff, sys+CISREG_IADDR0); 161 writeb(addr & 0xff, sys+CISREG_IADDR0);
160 writeb((addr>>8) & 0xff, sys+CISREG_IADDR1); 162 writeb((addr>>8) & 0xff, sys+CISREG_IADDR1);
161 writeb((addr>>16) & 0xff, sys+CISREG_IADDR2); 163 writeb((addr>>16) & 0xff, sys+CISREG_IADDR2);
162 writeb((addr>>24) & 0xff, sys+CISREG_IADDR3); 164 writeb((addr>>24) & 0xff, sys+CISREG_IADDR3);
163 for ( ; len > 0; len--, buf++) 165 for ( ; len > 0; len--, buf++)
164 *buf = readb(sys+CISREG_IDATA0); 166 *buf = readb(sys+CISREG_IDATA0);
165 } else { 167 } else {
166 u_int inc = 1, card_offset, flags; 168 u_int inc = 1, card_offset, flags;
167
168 flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
169 if (attr) {
170 flags |= MAP_ATTRIB;
171 inc++;
172 addr *= 2;
173 }
174 169
175 card_offset = addr & ~(s->map_size-1); 170 if (addr > CISTPL_MAX_CIS_SIZE)
176 while (len) { 171 dev_dbg(&s->dev,
177 sys = set_cis_map(s, card_offset, flags); 172 "attempt to read CIS mem at addr %#x", addr);
178 if (!sys) { 173
179 memset(ptr, 0xff, len); 174 flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
180 return -1; 175 if (attr) {
181 } 176 flags |= MAP_ATTRIB;
182 end = sys + s->map_size; 177 inc++;
183 sys = sys + (addr & (s->map_size-1)); 178 addr *= 2;
184 for ( ; len > 0; len--, buf++, sys += inc) { 179 }
185 if (sys == end) 180
186 break; 181 card_offset = addr & ~(s->map_size-1);
187 *buf = readb(sys); 182 while (len) {
188 } 183 sys = set_cis_map(s, card_offset, flags);
189 card_offset += s->map_size; 184 if (!sys) {
190 addr = 0; 185 dev_dbg(&s->dev, "could not map memory\n");
186 memset(ptr, 0xff, len);
187 mutex_unlock(&s->ops_mutex);
188 return -1;
189 }
190 end = sys + s->map_size;
191 sys = sys + (addr & (s->map_size-1));
192 for ( ; len > 0; len--, buf++, sys += inc) {
193 if (sys == end)
194 break;
195 *buf = readb(sys);
196 }
197 card_offset += s->map_size;
198 addr = 0;
199 }
191 } 200 }
192 } 201 mutex_unlock(&s->ops_mutex);
193 dev_dbg(&s->dev, " %#2.2x %#2.2x %#2.2x %#2.2x ...\n", 202 dev_dbg(&s->dev, " %#2.2x %#2.2x %#2.2x %#2.2x ...\n",
194 *(u_char *)(ptr+0), *(u_char *)(ptr+1), 203 *(u_char *)(ptr+0), *(u_char *)(ptr+1),
195 *(u_char *)(ptr+2), *(u_char *)(ptr+3)); 204 *(u_char *)(ptr+2), *(u_char *)(ptr+3));
196 return 0; 205 return 0;
197} 206}
198EXPORT_SYMBOL(pcmcia_read_cis_mem);
199 207
200 208
209/**
210 * pcmcia_write_cis_mem() - low-level function to write CIS memory
211 *
212 * Probably only useful for writing one-byte registers.
213 */
201void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr, 214void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
202 u_int len, void *ptr) 215 u_int len, void *ptr)
203{ 216{
204 void __iomem *sys, *end; 217 void __iomem *sys, *end;
205 unsigned char *buf = ptr; 218 unsigned char *buf = ptr;
206 219
207 dev_dbg(&s->dev, "pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len); 220 dev_dbg(&s->dev,
208 221 "pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len);
209 if (attr & IS_INDIRECT) { 222
210 /* Indirect accesses use a bunch of special registers at fixed 223 mutex_lock(&s->ops_mutex);
211 locations in common memory */ 224 if (attr & IS_INDIRECT) {
212 u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN; 225 /* Indirect accesses use a bunch of special registers at fixed
213 if (attr & IS_ATTR) { 226 locations in common memory */
214 addr *= 2; 227 u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
215 flags = ICTRL0_AUTOINC; 228 if (attr & IS_ATTR) {
216 } 229 addr *= 2;
230 flags = ICTRL0_AUTOINC;
231 }
217 232
218 sys = set_cis_map(s, 0, MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0)); 233 sys = set_cis_map(s, 0, MAP_ACTIVE |
219 if (!sys) 234 ((cis_width) ? MAP_16BIT : 0));
220 return; /* FIXME: Error */ 235 if (!sys) {
221 236 dev_dbg(&s->dev, "could not map memory\n");
222 writeb(flags, sys+CISREG_ICTRL0); 237 mutex_unlock(&s->ops_mutex);
223 writeb(addr & 0xff, sys+CISREG_IADDR0); 238 return; /* FIXME: Error */
224 writeb((addr>>8) & 0xff, sys+CISREG_IADDR1); 239 }
225 writeb((addr>>16) & 0xff, sys+CISREG_IADDR2); 240
226 writeb((addr>>24) & 0xff, sys+CISREG_IADDR3); 241 writeb(flags, sys+CISREG_ICTRL0);
227 for ( ; len > 0; len--, buf++) 242 writeb(addr & 0xff, sys+CISREG_IADDR0);
228 writeb(*buf, sys+CISREG_IDATA0); 243 writeb((addr>>8) & 0xff, sys+CISREG_IADDR1);
229 } else { 244 writeb((addr>>16) & 0xff, sys+CISREG_IADDR2);
230 u_int inc = 1, card_offset, flags; 245 writeb((addr>>24) & 0xff, sys+CISREG_IADDR3);
231 246 for ( ; len > 0; len--, buf++)
232 flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0); 247 writeb(*buf, sys+CISREG_IDATA0);
233 if (attr & IS_ATTR) { 248 } else {
234 flags |= MAP_ATTRIB; 249 u_int inc = 1, card_offset, flags;
235 inc++; 250
236 addr *= 2; 251 flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
237 } 252 if (attr & IS_ATTR) {
253 flags |= MAP_ATTRIB;
254 inc++;
255 addr *= 2;
256 }
238 257
239 card_offset = addr & ~(s->map_size-1); 258 card_offset = addr & ~(s->map_size-1);
240 while (len) { 259 while (len) {
241 sys = set_cis_map(s, card_offset, flags); 260 sys = set_cis_map(s, card_offset, flags);
242 if (!sys) 261 if (!sys) {
243 return; /* FIXME: error */ 262 dev_dbg(&s->dev, "could not map memory\n");
244 263 mutex_unlock(&s->ops_mutex);
245 end = sys + s->map_size; 264 return; /* FIXME: error */
246 sys = sys + (addr & (s->map_size-1)); 265 }
247 for ( ; len > 0; len--, buf++, sys += inc) { 266
248 if (sys == end) 267 end = sys + s->map_size;
249 break; 268 sys = sys + (addr & (s->map_size-1));
250 writeb(*buf, sys); 269 for ( ; len > 0; len--, buf++, sys += inc) {
251 } 270 if (sys == end)
252 card_offset += s->map_size; 271 break;
253 addr = 0; 272 writeb(*buf, sys);
273 }
274 card_offset += s->map_size;
275 addr = 0;
276 }
254 } 277 }
255 } 278 mutex_unlock(&s->ops_mutex);
256} 279}
257EXPORT_SYMBOL(pcmcia_write_cis_mem);
258 280
259 281
260/*====================================================================== 282/**
283 * read_cis_cache() - read CIS memory or its associated cache
284 *
285 * This is a wrapper around read_cis_mem, with the same interface,
286 * but which caches information, for cards whose CIS may not be
287 * readable all the time.
288 */
289static int read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr,
290 size_t len, void *ptr)
291{
292 struct cis_cache_entry *cis;
293 int ret = 0;
261 294
262 This is a wrapper around read_cis_mem, with the same interface, 295 if (s->state & SOCKET_CARDBUS)
263 but which caches information, for cards whose CIS may not be 296 return -EINVAL;
264 readable all the time.
265 297
266======================================================================*/ 298 mutex_lock(&s->ops_mutex);
299 if (s->fake_cis) {
300 if (s->fake_cis_len >= addr+len)
301 memcpy(ptr, s->fake_cis+addr, len);
302 else {
303 memset(ptr, 0xff, len);
304 ret = -EINVAL;
305 }
306 mutex_unlock(&s->ops_mutex);
307 return ret;
308 }
267 309
268static void read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, 310 list_for_each_entry(cis, &s->cis_cache, node) {
269 size_t len, void *ptr) 311 if (cis->addr == addr && cis->len == len && cis->attr == attr) {
270{ 312 memcpy(ptr, cis->cache, len);
271 struct cis_cache_entry *cis; 313 mutex_unlock(&s->ops_mutex);
272 int ret; 314 return 0;
273 315 }
274 if (s->fake_cis) {
275 if (s->fake_cis_len >= addr+len)
276 memcpy(ptr, s->fake_cis+addr, len);
277 else
278 memset(ptr, 0xff, len);
279 return;
280 }
281
282 list_for_each_entry(cis, &s->cis_cache, node) {
283 if (cis->addr == addr && cis->len == len && cis->attr == attr) {
284 memcpy(ptr, cis->cache, len);
285 return;
286 } 316 }
287 } 317 mutex_unlock(&s->ops_mutex);
288 318
289#ifdef CONFIG_CARDBUS
290 if (s->state & SOCKET_CARDBUS)
291 ret = read_cb_mem(s, attr, addr, len, ptr);
292 else
293#endif
294 ret = pcmcia_read_cis_mem(s, attr, addr, len, ptr); 319 ret = pcmcia_read_cis_mem(s, attr, addr, len, ptr);
295 320
296 if (ret == 0) { 321 if (ret == 0) {
@@ -301,9 +326,12 @@ static void read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr,
301 cis->len = len; 326 cis->len = len;
302 cis->attr = attr; 327 cis->attr = attr;
303 memcpy(cis->cache, ptr, len); 328 memcpy(cis->cache, ptr, len);
329 mutex_lock(&s->ops_mutex);
304 list_add(&cis->node, &s->cis_cache); 330 list_add(&cis->node, &s->cis_cache);
331 mutex_unlock(&s->ops_mutex);
305 } 332 }
306 } 333 }
334 return ret;
307} 335}
308 336
309static void 337static void
@@ -311,44 +339,46 @@ remove_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, u_int len)
311{ 339{
312 struct cis_cache_entry *cis; 340 struct cis_cache_entry *cis;
313 341
342 mutex_lock(&s->ops_mutex);
314 list_for_each_entry(cis, &s->cis_cache, node) 343 list_for_each_entry(cis, &s->cis_cache, node)
315 if (cis->addr == addr && cis->len == len && cis->attr == attr) { 344 if (cis->addr == addr && cis->len == len && cis->attr == attr) {
316 list_del(&cis->node); 345 list_del(&cis->node);
317 kfree(cis); 346 kfree(cis);
318 break; 347 break;
319 } 348 }
349 mutex_unlock(&s->ops_mutex);
320} 350}
321 351
352/**
353 * destroy_cis_cache() - destroy the CIS cache
354 * @s: pcmcia_socket for which CIS cache shall be destroyed
355 *
356 * This destroys the CIS cache but keeps any fake CIS alive. Must be
357 * called with ops_mutex held.
358 */
322void destroy_cis_cache(struct pcmcia_socket *s) 359void destroy_cis_cache(struct pcmcia_socket *s)
323{ 360{
324 struct list_head *l, *n; 361 struct list_head *l, *n;
362 struct cis_cache_entry *cis;
325 363
326 list_for_each_safe(l, n, &s->cis_cache) { 364 list_for_each_safe(l, n, &s->cis_cache) {
327 struct cis_cache_entry *cis = list_entry(l, struct cis_cache_entry, node); 365 cis = list_entry(l, struct cis_cache_entry, node);
328
329 list_del(&cis->node); 366 list_del(&cis->node);
330 kfree(cis); 367 kfree(cis);
331 } 368 }
332
333 /*
334 * If there was a fake CIS, destroy that as well.
335 */
336 kfree(s->fake_cis);
337 s->fake_cis = NULL;
338} 369}
339EXPORT_SYMBOL(destroy_cis_cache);
340
341/*======================================================================
342
343 This verifies if the CIS of a card matches what is in the CIS
344 cache.
345
346======================================================================*/
347 370
371/**
372 * verify_cis_cache() - does the CIS match what is in the CIS cache?
373 */
348int verify_cis_cache(struct pcmcia_socket *s) 374int verify_cis_cache(struct pcmcia_socket *s)
349{ 375{
350 struct cis_cache_entry *cis; 376 struct cis_cache_entry *cis;
351 char *buf; 377 char *buf;
378 int ret;
379
380 if (s->state & SOCKET_CARDBUS)
381 return -EINVAL;
352 382
353 buf = kmalloc(256, GFP_KERNEL); 383 buf = kmalloc(256, GFP_KERNEL);
354 if (buf == NULL) { 384 if (buf == NULL) {
@@ -361,14 +391,9 @@ int verify_cis_cache(struct pcmcia_socket *s)
361 391
362 if (len > 256) 392 if (len > 256)
363 len = 256; 393 len = 256;
364#ifdef CONFIG_CARDBUS 394
365 if (s->state & SOCKET_CARDBUS) 395 ret = pcmcia_read_cis_mem(s, cis->attr, cis->addr, len, buf);
366 read_cb_mem(s, cis->attr, cis->addr, len, buf); 396 if (ret || memcmp(buf, cis->cache, len) != 0) {
367 else
368#endif
369 pcmcia_read_cis_mem(s, cis->attr, cis->addr, len, buf);
370
371 if (memcmp(buf, cis->cache, len) != 0) {
372 kfree(buf); 397 kfree(buf);
373 return -1; 398 return -1;
374 } 399 }
@@ -377,13 +402,12 @@ int verify_cis_cache(struct pcmcia_socket *s)
377 return 0; 402 return 0;
378} 403}
379 404
380/*====================================================================== 405/**
381 406 * pcmcia_replace_cis() - use a replacement CIS instead of the card's CIS
382 For really bad cards, we provide a facility for uploading a 407 *
383 replacement CIS. 408 * For really bad cards, we provide a facility for uploading a
384 409 * replacement CIS.
385======================================================================*/ 410 */
386
387int pcmcia_replace_cis(struct pcmcia_socket *s, 411int pcmcia_replace_cis(struct pcmcia_socket *s,
388 const u8 *data, const size_t len) 412 const u8 *data, const size_t len)
389{ 413{
@@ -391,29 +415,28 @@ int pcmcia_replace_cis(struct pcmcia_socket *s,
391 dev_printk(KERN_WARNING, &s->dev, "replacement CIS too big\n"); 415 dev_printk(KERN_WARNING, &s->dev, "replacement CIS too big\n");
392 return -EINVAL; 416 return -EINVAL;
393 } 417 }
418 mutex_lock(&s->ops_mutex);
394 kfree(s->fake_cis); 419 kfree(s->fake_cis);
395 s->fake_cis = kmalloc(len, GFP_KERNEL); 420 s->fake_cis = kmalloc(len, GFP_KERNEL);
396 if (s->fake_cis == NULL) { 421 if (s->fake_cis == NULL) {
397 dev_printk(KERN_WARNING, &s->dev, "no memory to replace CIS\n"); 422 dev_printk(KERN_WARNING, &s->dev, "no memory to replace CIS\n");
423 mutex_unlock(&s->ops_mutex);
398 return -ENOMEM; 424 return -ENOMEM;
399 } 425 }
400 s->fake_cis_len = len; 426 s->fake_cis_len = len;
401 memcpy(s->fake_cis, data, len); 427 memcpy(s->fake_cis, data, len);
428 dev_info(&s->dev, "Using replacement CIS\n");
429 mutex_unlock(&s->ops_mutex);
402 return 0; 430 return 0;
403} 431}
404EXPORT_SYMBOL(pcmcia_replace_cis);
405 432
406/*====================================================================== 433/* The high-level CIS tuple services */
407
408 The high-level CIS tuple services
409
410======================================================================*/
411 434
412typedef struct tuple_flags { 435typedef struct tuple_flags {
413 u_int link_space:4; 436 u_int link_space:4;
414 u_int has_link:1; 437 u_int has_link:1;
415 u_int mfc_fn:3; 438 u_int mfc_fn:3;
416 u_int space:4; 439 u_int space:4;
417} tuple_flags; 440} tuple_flags;
418 441
419#define LINK_SPACE(f) (((tuple_flags *)(&(f)))->link_space) 442#define LINK_SPACE(f) (((tuple_flags *)(&(f)))->link_space)
@@ -421,1099 +444,962 @@ typedef struct tuple_flags {
421#define MFC_FN(f) (((tuple_flags *)(&(f)))->mfc_fn) 444#define MFC_FN(f) (((tuple_flags *)(&(f)))->mfc_fn)
422#define SPACE(f) (((tuple_flags *)(&(f)))->space) 445#define SPACE(f) (((tuple_flags *)(&(f)))->space)
423 446
424int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple_t *tuple) 447int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,
448 tuple_t *tuple)
425{ 449{
426 if (!s) 450 if (!s)
427 return -EINVAL; 451 return -EINVAL;
428 if (!(s->state & SOCKET_PRESENT)) 452
429 return -ENODEV; 453 if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS))
430 tuple->TupleLink = tuple->Flags = 0; 454 return -ENODEV;
431#ifdef CONFIG_CARDBUS 455 tuple->TupleLink = tuple->Flags = 0;
432 if (s->state & SOCKET_CARDBUS) { 456
433 struct pci_dev *dev = s->cb_dev;
434 u_int ptr;
435 pci_bus_read_config_dword(dev->subordinate, 0, PCI_CARDBUS_CIS, &ptr);
436 tuple->CISOffset = ptr & ~7;
437 SPACE(tuple->Flags) = (ptr & 7);
438 } else
439#endif
440 {
441 /* Assume presence of a LONGLINK_C to address 0 */ 457 /* Assume presence of a LONGLINK_C to address 0 */
442 tuple->CISOffset = tuple->LinkOffset = 0; 458 tuple->CISOffset = tuple->LinkOffset = 0;
443 SPACE(tuple->Flags) = HAS_LINK(tuple->Flags) = 1; 459 SPACE(tuple->Flags) = HAS_LINK(tuple->Flags) = 1;
444 } 460
445 if (!(s->state & SOCKET_CARDBUS) && (s->functions > 1) && 461 if ((s->functions > 1) && !(tuple->Attributes & TUPLE_RETURN_COMMON)) {
446 !(tuple->Attributes & TUPLE_RETURN_COMMON)) { 462 cisdata_t req = tuple->DesiredTuple;
447 cisdata_t req = tuple->DesiredTuple; 463 tuple->DesiredTuple = CISTPL_LONGLINK_MFC;
448 tuple->DesiredTuple = CISTPL_LONGLINK_MFC; 464 if (pccard_get_next_tuple(s, function, tuple) == 0) {
449 if (pccard_get_next_tuple(s, function, tuple) == 0) { 465 tuple->DesiredTuple = CISTPL_LINKTARGET;
450 tuple->DesiredTuple = CISTPL_LINKTARGET; 466 if (pccard_get_next_tuple(s, function, tuple) != 0)
451 if (pccard_get_next_tuple(s, function, tuple) != 0) 467 return -ENOSPC;
452 return -ENOSPC; 468 } else
453 } else 469 tuple->CISOffset = tuple->TupleLink = 0;
454 tuple->CISOffset = tuple->TupleLink = 0; 470 tuple->DesiredTuple = req;
455 tuple->DesiredTuple = req; 471 }
456 } 472 return pccard_get_next_tuple(s, function, tuple);
457 return pccard_get_next_tuple(s, function, tuple);
458} 473}
459EXPORT_SYMBOL(pccard_get_first_tuple);
460 474
461static int follow_link(struct pcmcia_socket *s, tuple_t *tuple) 475static int follow_link(struct pcmcia_socket *s, tuple_t *tuple)
462{ 476{
463 u_char link[5]; 477 u_char link[5];
464 u_int ofs; 478 u_int ofs;
465 479 int ret;
466 if (MFC_FN(tuple->Flags)) { 480
467 /* Get indirect link from the MFC tuple */ 481 if (MFC_FN(tuple->Flags)) {
468 read_cis_cache(s, LINK_SPACE(tuple->Flags), 482 /* Get indirect link from the MFC tuple */
469 tuple->LinkOffset, 5, link); 483 ret = read_cis_cache(s, LINK_SPACE(tuple->Flags),
470 ofs = get_unaligned_le32(link + 1); 484 tuple->LinkOffset, 5, link);
471 SPACE(tuple->Flags) = (link[0] == CISTPL_MFC_ATTR); 485 if (ret)
472 /* Move to the next indirect link */ 486 return -1;
473 tuple->LinkOffset += 5; 487 ofs = get_unaligned_le32(link + 1);
474 MFC_FN(tuple->Flags)--; 488 SPACE(tuple->Flags) = (link[0] == CISTPL_MFC_ATTR);
475 } else if (HAS_LINK(tuple->Flags)) { 489 /* Move to the next indirect link */
476 ofs = tuple->LinkOffset; 490 tuple->LinkOffset += 5;
477 SPACE(tuple->Flags) = LINK_SPACE(tuple->Flags); 491 MFC_FN(tuple->Flags)--;
478 HAS_LINK(tuple->Flags) = 0; 492 } else if (HAS_LINK(tuple->Flags)) {
479 } else { 493 ofs = tuple->LinkOffset;
480 return -1; 494 SPACE(tuple->Flags) = LINK_SPACE(tuple->Flags);
481 } 495 HAS_LINK(tuple->Flags) = 0;
482 if (!(s->state & SOCKET_CARDBUS) && SPACE(tuple->Flags)) { 496 } else
483 /* This is ugly, but a common CIS error is to code the long 497 return -1;
484 link offset incorrectly, so we check the right spot... */ 498
485 read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link); 499 if (SPACE(tuple->Flags)) {
500 /* This is ugly, but a common CIS error is to code the long
501 link offset incorrectly, so we check the right spot... */
502 ret = read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
503 if (ret)
504 return -1;
505 if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) &&
506 (strncmp(link+2, "CIS", 3) == 0))
507 return ofs;
508 remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5);
509 /* Then, we try the wrong spot... */
510 ofs = ofs >> 1;
511 }
512 ret = read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
513 if (ret)
514 return -1;
486 if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) && 515 if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) &&
487 (strncmp(link+2, "CIS", 3) == 0)) 516 (strncmp(link+2, "CIS", 3) == 0))
488 return ofs; 517 return ofs;
489 remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5); 518 remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5);
490 /* Then, we try the wrong spot... */ 519 return -1;
491 ofs = ofs >> 1;
492 }
493 read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
494 if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) &&
495 (strncmp(link+2, "CIS", 3) == 0))
496 return ofs;
497 remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5);
498 return -1;
499} 520}
500 521
501int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_t *tuple) 522int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
523 tuple_t *tuple)
502{ 524{
503 u_char link[2], tmp; 525 u_char link[2], tmp;
504 int ofs, i, attr; 526 int ofs, i, attr;
527 int ret;
505 528
506 if (!s) 529 if (!s)
507 return -EINVAL; 530 return -EINVAL;
508 if (!(s->state & SOCKET_PRESENT)) 531 if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS))
509 return -ENODEV; 532 return -ENODEV;
533
534 link[1] = tuple->TupleLink;
535 ofs = tuple->CISOffset + tuple->TupleLink;
536 attr = SPACE(tuple->Flags);
537
538 for (i = 0; i < MAX_TUPLES; i++) {
539 if (link[1] == 0xff)
540 link[0] = CISTPL_END;
541 else {
542 ret = read_cis_cache(s, attr, ofs, 2, link);
543 if (ret)
544 return -1;
545 if (link[0] == CISTPL_NULL) {
546 ofs++;
547 continue;
548 }
549 }
510 550
511 link[1] = tuple->TupleLink; 551 /* End of chain? Follow long link if possible */
512 ofs = tuple->CISOffset + tuple->TupleLink; 552 if (link[0] == CISTPL_END) {
513 attr = SPACE(tuple->Flags); 553 ofs = follow_link(s, tuple);
554 if (ofs < 0)
555 return -ENOSPC;
556 attr = SPACE(tuple->Flags);
557 ret = read_cis_cache(s, attr, ofs, 2, link);
558 if (ret)
559 return -1;
560 }
514 561
515 for (i = 0; i < MAX_TUPLES; i++) { 562 /* Is this a link tuple? Make a note of it */
516 if (link[1] == 0xff) { 563 if ((link[0] == CISTPL_LONGLINK_A) ||
517 link[0] = CISTPL_END; 564 (link[0] == CISTPL_LONGLINK_C) ||
518 } else { 565 (link[0] == CISTPL_LONGLINK_MFC) ||
519 read_cis_cache(s, attr, ofs, 2, link); 566 (link[0] == CISTPL_LINKTARGET) ||
520 if (link[0] == CISTPL_NULL) { 567 (link[0] == CISTPL_INDIRECT) ||
521 ofs++; continue; 568 (link[0] == CISTPL_NO_LINK)) {
522 } 569 switch (link[0]) {
570 case CISTPL_LONGLINK_A:
571 HAS_LINK(tuple->Flags) = 1;
572 LINK_SPACE(tuple->Flags) = attr | IS_ATTR;
573 ret = read_cis_cache(s, attr, ofs+2, 4,
574 &tuple->LinkOffset);
575 if (ret)
576 return -1;
577 break;
578 case CISTPL_LONGLINK_C:
579 HAS_LINK(tuple->Flags) = 1;
580 LINK_SPACE(tuple->Flags) = attr & ~IS_ATTR;
581 ret = read_cis_cache(s, attr, ofs+2, 4,
582 &tuple->LinkOffset);
583 if (ret)
584 return -1;
585 break;
586 case CISTPL_INDIRECT:
587 HAS_LINK(tuple->Flags) = 1;
588 LINK_SPACE(tuple->Flags) = IS_ATTR |
589 IS_INDIRECT;
590 tuple->LinkOffset = 0;
591 break;
592 case CISTPL_LONGLINK_MFC:
593 tuple->LinkOffset = ofs + 3;
594 LINK_SPACE(tuple->Flags) = attr;
595 if (function == BIND_FN_ALL) {
596 /* Follow all the MFC links */
597 ret = read_cis_cache(s, attr, ofs+2,
598 1, &tmp);
599 if (ret)
600 return -1;
601 MFC_FN(tuple->Flags) = tmp;
602 } else {
603 /* Follow exactly one of the links */
604 MFC_FN(tuple->Flags) = 1;
605 tuple->LinkOffset += function * 5;
606 }
607 break;
608 case CISTPL_NO_LINK:
609 HAS_LINK(tuple->Flags) = 0;
610 break;
611 }
612 if ((tuple->Attributes & TUPLE_RETURN_LINK) &&
613 (tuple->DesiredTuple == RETURN_FIRST_TUPLE))
614 break;
615 } else
616 if (tuple->DesiredTuple == RETURN_FIRST_TUPLE)
617 break;
618
619 if (link[0] == tuple->DesiredTuple)
620 break;
621 ofs += link[1] + 2;
523 } 622 }
524 623 if (i == MAX_TUPLES) {
525 /* End of chain? Follow long link if possible */ 624 dev_dbg(&s->dev, "cs: overrun in pcmcia_get_next_tuple\n");
526 if (link[0] == CISTPL_END) {
527 ofs = follow_link(s, tuple);
528 if (ofs < 0)
529 return -ENOSPC; 625 return -ENOSPC;
530 attr = SPACE(tuple->Flags);
531 read_cis_cache(s, attr, ofs, 2, link);
532 } 626 }
533 627
534 /* Is this a link tuple? Make a note of it */ 628 tuple->TupleCode = link[0];
535 if ((link[0] == CISTPL_LONGLINK_A) || 629 tuple->TupleLink = link[1];
536 (link[0] == CISTPL_LONGLINK_C) || 630 tuple->CISOffset = ofs + 2;
537 (link[0] == CISTPL_LONGLINK_MFC) || 631 return 0;
538 (link[0] == CISTPL_LINKTARGET) ||
539 (link[0] == CISTPL_INDIRECT) ||
540 (link[0] == CISTPL_NO_LINK)) {
541 switch (link[0]) {
542 case CISTPL_LONGLINK_A:
543 HAS_LINK(tuple->Flags) = 1;
544 LINK_SPACE(tuple->Flags) = attr | IS_ATTR;
545 read_cis_cache(s, attr, ofs+2, 4, &tuple->LinkOffset);
546 break;
547 case CISTPL_LONGLINK_C:
548 HAS_LINK(tuple->Flags) = 1;
549 LINK_SPACE(tuple->Flags) = attr & ~IS_ATTR;
550 read_cis_cache(s, attr, ofs+2, 4, &tuple->LinkOffset);
551 break;
552 case CISTPL_INDIRECT:
553 HAS_LINK(tuple->Flags) = 1;
554 LINK_SPACE(tuple->Flags) = IS_ATTR | IS_INDIRECT;
555 tuple->LinkOffset = 0;
556 break;
557 case CISTPL_LONGLINK_MFC:
558 tuple->LinkOffset = ofs + 3;
559 LINK_SPACE(tuple->Flags) = attr;
560 if (function == BIND_FN_ALL) {
561 /* Follow all the MFC links */
562 read_cis_cache(s, attr, ofs+2, 1, &tmp);
563 MFC_FN(tuple->Flags) = tmp;
564 } else {
565 /* Follow exactly one of the links */
566 MFC_FN(tuple->Flags) = 1;
567 tuple->LinkOffset += function * 5;
568 }
569 break;
570 case CISTPL_NO_LINK:
571 HAS_LINK(tuple->Flags) = 0;
572 break;
573 }
574 if ((tuple->Attributes & TUPLE_RETURN_LINK) &&
575 (tuple->DesiredTuple == RETURN_FIRST_TUPLE))
576 break;
577 } else
578 if (tuple->DesiredTuple == RETURN_FIRST_TUPLE)
579 break;
580
581 if (link[0] == tuple->DesiredTuple)
582 break;
583 ofs += link[1] + 2;
584 }
585 if (i == MAX_TUPLES) {
586 dev_dbg(&s->dev, "cs: overrun in pcmcia_get_next_tuple\n");
587 return -ENOSPC;
588 }
589
590 tuple->TupleCode = link[0];
591 tuple->TupleLink = link[1];
592 tuple->CISOffset = ofs + 2;
593 return 0;
594} 632}
595EXPORT_SYMBOL(pccard_get_next_tuple);
596
597/*====================================================================*/
598
599#define _MIN(a, b) (((a) < (b)) ? (a) : (b))
600 633
601int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple) 634int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple)
602{ 635{
603 u_int len; 636 u_int len;
637 int ret;
604 638
605 if (!s) 639 if (!s)
606 return -EINVAL; 640 return -EINVAL;
607 641
608 if (tuple->TupleLink < tuple->TupleOffset) 642 if (tuple->TupleLink < tuple->TupleOffset)
609 return -ENOSPC; 643 return -ENOSPC;
610 len = tuple->TupleLink - tuple->TupleOffset; 644 len = tuple->TupleLink - tuple->TupleOffset;
611 tuple->TupleDataLen = tuple->TupleLink; 645 tuple->TupleDataLen = tuple->TupleLink;
612 if (len == 0) 646 if (len == 0)
647 return 0;
648 ret = read_cis_cache(s, SPACE(tuple->Flags),
649 tuple->CISOffset + tuple->TupleOffset,
650 min(len, (u_int) tuple->TupleDataMax),
651 tuple->TupleData);
652 if (ret)
653 return -1;
613 return 0; 654 return 0;
614 read_cis_cache(s, SPACE(tuple->Flags),
615 tuple->CISOffset + tuple->TupleOffset,
616 _MIN(len, tuple->TupleDataMax), tuple->TupleData);
617 return 0;
618} 655}
619EXPORT_SYMBOL(pccard_get_tuple_data);
620 656
621 657
622/*====================================================================== 658/* Parsing routines for individual tuples */
623
624 Parsing routines for individual tuples
625
626======================================================================*/
627 659
628static int parse_device(tuple_t *tuple, cistpl_device_t *device) 660static int parse_device(tuple_t *tuple, cistpl_device_t *device)
629{ 661{
630 int i; 662 int i;
631 u_char scale; 663 u_char scale;
632 u_char *p, *q; 664 u_char *p, *q;
633 665
634 p = (u_char *)tuple->TupleData; 666 p = (u_char *)tuple->TupleData;
635 q = p + tuple->TupleDataLen; 667 q = p + tuple->TupleDataLen;
636 668
637 device->ndev = 0; 669 device->ndev = 0;
638 for (i = 0; i < CISTPL_MAX_DEVICES; i++) { 670 for (i = 0; i < CISTPL_MAX_DEVICES; i++) {
639 671
640 if (*p == 0xff) 672 if (*p == 0xff)
641 break; 673 break;
642 device->dev[i].type = (*p >> 4); 674 device->dev[i].type = (*p >> 4);
643 device->dev[i].wp = (*p & 0x08) ? 1 : 0; 675 device->dev[i].wp = (*p & 0x08) ? 1 : 0;
644 switch (*p & 0x07) { 676 switch (*p & 0x07) {
645 case 0: 677 case 0:
646 device->dev[i].speed = 0; 678 device->dev[i].speed = 0;
647 break; 679 break;
648 case 1: 680 case 1:
649 device->dev[i].speed = 250; 681 device->dev[i].speed = 250;
650 break; 682 break;
651 case 2: 683 case 2:
652 device->dev[i].speed = 200; 684 device->dev[i].speed = 200;
653 break; 685 break;
654 case 3: 686 case 3:
655 device->dev[i].speed = 150; 687 device->dev[i].speed = 150;
656 break; 688 break;
657 case 4: 689 case 4:
658 device->dev[i].speed = 100; 690 device->dev[i].speed = 100;
659 break; 691 break;
660 case 7: 692 case 7:
661 if (++p == q)
662 return -EINVAL;
663 device->dev[i].speed = SPEED_CVT(*p);
664 while (*p & 0x80)
665 if (++p == q) 693 if (++p == q)
666 return -EINVAL; 694 return -EINVAL;
667 break; 695 device->dev[i].speed = SPEED_CVT(*p);
668 default: 696 while (*p & 0x80)
669 return -EINVAL; 697 if (++p == q)
670 } 698 return -EINVAL;
699 break;
700 default:
701 return -EINVAL;
702 }
671 703
672 if (++p == q) 704 if (++p == q)
673 return -EINVAL; 705 return -EINVAL;
674 if (*p == 0xff) 706 if (*p == 0xff)
675 break; 707 break;
676 scale = *p & 7; 708 scale = *p & 7;
677 if (scale == 7) 709 if (scale == 7)
678 return -EINVAL; 710 return -EINVAL;
679 device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2)); 711 device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2));
680 device->ndev++; 712 device->ndev++;
681 if (++p == q) 713 if (++p == q)
682 break; 714 break;
683 } 715 }
684 716
685 return 0; 717 return 0;
686} 718}
687 719
688/*====================================================================*/
689 720
690static int parse_checksum(tuple_t *tuple, cistpl_checksum_t *csum) 721static int parse_checksum(tuple_t *tuple, cistpl_checksum_t *csum)
691{ 722{
692 u_char *p; 723 u_char *p;
693 if (tuple->TupleDataLen < 5) 724 if (tuple->TupleDataLen < 5)
694 return -EINVAL; 725 return -EINVAL;
695 p = (u_char *) tuple->TupleData; 726 p = (u_char *) tuple->TupleData;
696 csum->addr = tuple->CISOffset + get_unaligned_le16(p) - 2; 727 csum->addr = tuple->CISOffset + get_unaligned_le16(p) - 2;
697 csum->len = get_unaligned_le16(p + 2); 728 csum->len = get_unaligned_le16(p + 2);
698 csum->sum = *(p + 4); 729 csum->sum = *(p + 4);
699 return 0; 730 return 0;
700} 731}
701 732
702/*====================================================================*/
703 733
704static int parse_longlink(tuple_t *tuple, cistpl_longlink_t *link) 734static int parse_longlink(tuple_t *tuple, cistpl_longlink_t *link)
705{ 735{
706 if (tuple->TupleDataLen < 4) 736 if (tuple->TupleDataLen < 4)
707 return -EINVAL; 737 return -EINVAL;
708 link->addr = get_unaligned_le32(tuple->TupleData); 738 link->addr = get_unaligned_le32(tuple->TupleData);
709 return 0; 739 return 0;
710} 740}
711 741
712/*====================================================================*/
713 742
714static int parse_longlink_mfc(tuple_t *tuple, 743static int parse_longlink_mfc(tuple_t *tuple, cistpl_longlink_mfc_t *link)
715 cistpl_longlink_mfc_t *link)
716{ 744{
717 u_char *p; 745 u_char *p;
718 int i; 746 int i;
719 747
720 p = (u_char *)tuple->TupleData; 748 p = (u_char *)tuple->TupleData;
721 749
722 link->nfn = *p; p++; 750 link->nfn = *p; p++;
723 if (tuple->TupleDataLen <= link->nfn*5) 751 if (tuple->TupleDataLen <= link->nfn*5)
724 return -EINVAL; 752 return -EINVAL;
725 for (i = 0; i < link->nfn; i++) { 753 for (i = 0; i < link->nfn; i++) {
726 link->fn[i].space = *p; p++; 754 link->fn[i].space = *p; p++;
727 link->fn[i].addr = get_unaligned_le32(p); 755 link->fn[i].addr = get_unaligned_le32(p);
728 p += 4; 756 p += 4;
729 } 757 }
730 return 0; 758 return 0;
731} 759}
732 760
733/*====================================================================*/
734 761
735static int parse_strings(u_char *p, u_char *q, int max, 762static int parse_strings(u_char *p, u_char *q, int max,
736 char *s, u_char *ofs, u_char *found) 763 char *s, u_char *ofs, u_char *found)
737{ 764{
738 int i, j, ns; 765 int i, j, ns;
739 766
740 if (p == q) 767 if (p == q)
741 return -EINVAL; 768 return -EINVAL;
742 ns = 0; j = 0; 769 ns = 0; j = 0;
743 for (i = 0; i < max; i++) { 770 for (i = 0; i < max; i++) {
744 if (*p == 0xff) 771 if (*p == 0xff)
745 break; 772 break;
746 ofs[i] = j; 773 ofs[i] = j;
747 ns++; 774 ns++;
748 for (;;) { 775 for (;;) {
749 s[j++] = (*p == 0xff) ? '\0' : *p; 776 s[j++] = (*p == 0xff) ? '\0' : *p;
750 if ((*p == '\0') || (*p == 0xff)) 777 if ((*p == '\0') || (*p == 0xff))
751 break; 778 break;
752 if (++p == q) 779 if (++p == q)
753 return -EINVAL; 780 return -EINVAL;
781 }
782 if ((*p == 0xff) || (++p == q))
783 break;
754 } 784 }
755 if ((*p == 0xff) || (++p == q)) 785 if (found) {
756 break; 786 *found = ns;
757 } 787 return 0;
758 if (found) { 788 }
759 *found = ns; 789
760 return 0;
761 } else {
762 return (ns == max) ? 0 : -EINVAL; 790 return (ns == max) ? 0 : -EINVAL;
763 }
764} 791}
765 792
766/*====================================================================*/
767 793
768static int parse_vers_1(tuple_t *tuple, cistpl_vers_1_t *vers_1) 794static int parse_vers_1(tuple_t *tuple, cistpl_vers_1_t *vers_1)
769{ 795{
770 u_char *p, *q; 796 u_char *p, *q;
771 797
772 p = (u_char *)tuple->TupleData; 798 p = (u_char *)tuple->TupleData;
773 q = p + tuple->TupleDataLen; 799 q = p + tuple->TupleDataLen;
774 800
775 vers_1->major = *p; p++; 801 vers_1->major = *p; p++;
776 vers_1->minor = *p; p++; 802 vers_1->minor = *p; p++;
777 if (p >= q) 803 if (p >= q)
778 return -EINVAL; 804 return -EINVAL;
779 805
780 return parse_strings(p, q, CISTPL_VERS_1_MAX_PROD_STRINGS, 806 return parse_strings(p, q, CISTPL_VERS_1_MAX_PROD_STRINGS,
781 vers_1->str, vers_1->ofs, &vers_1->ns); 807 vers_1->str, vers_1->ofs, &vers_1->ns);
782} 808}
783 809
784/*====================================================================*/
785 810
786static int parse_altstr(tuple_t *tuple, cistpl_altstr_t *altstr) 811static int parse_altstr(tuple_t *tuple, cistpl_altstr_t *altstr)
787{ 812{
788 u_char *p, *q; 813 u_char *p, *q;
789 814
790 p = (u_char *)tuple->TupleData; 815 p = (u_char *)tuple->TupleData;
791 q = p + tuple->TupleDataLen; 816 q = p + tuple->TupleDataLen;
792 817
793 return parse_strings(p, q, CISTPL_MAX_ALTSTR_STRINGS, 818 return parse_strings(p, q, CISTPL_MAX_ALTSTR_STRINGS,
794 altstr->str, altstr->ofs, &altstr->ns); 819 altstr->str, altstr->ofs, &altstr->ns);
795} 820}
796 821
797/*====================================================================*/
798 822
799static int parse_jedec(tuple_t *tuple, cistpl_jedec_t *jedec) 823static int parse_jedec(tuple_t *tuple, cistpl_jedec_t *jedec)
800{ 824{
801 u_char *p, *q; 825 u_char *p, *q;
802 int nid; 826 int nid;
803 827
804 p = (u_char *)tuple->TupleData; 828 p = (u_char *)tuple->TupleData;
805 q = p + tuple->TupleDataLen; 829 q = p + tuple->TupleDataLen;
806 830
807 for (nid = 0; nid < CISTPL_MAX_DEVICES; nid++) { 831 for (nid = 0; nid < CISTPL_MAX_DEVICES; nid++) {
808 if (p > q-2) 832 if (p > q-2)
809 break; 833 break;
810 jedec->id[nid].mfr = p[0]; 834 jedec->id[nid].mfr = p[0];
811 jedec->id[nid].info = p[1]; 835 jedec->id[nid].info = p[1];
812 p += 2; 836 p += 2;
813 } 837 }
814 jedec->nid = nid; 838 jedec->nid = nid;
815 return 0; 839 return 0;
816} 840}
817 841
818/*====================================================================*/
819 842
820static int parse_manfid(tuple_t *tuple, cistpl_manfid_t *m) 843static int parse_manfid(tuple_t *tuple, cistpl_manfid_t *m)
821{ 844{
822 if (tuple->TupleDataLen < 4) 845 if (tuple->TupleDataLen < 4)
823 return -EINVAL; 846 return -EINVAL;
824 m->manf = get_unaligned_le16(tuple->TupleData); 847 m->manf = get_unaligned_le16(tuple->TupleData);
825 m->card = get_unaligned_le16(tuple->TupleData + 2); 848 m->card = get_unaligned_le16(tuple->TupleData + 2);
826 return 0; 849 return 0;
827} 850}
828 851
829/*====================================================================*/
830 852
831static int parse_funcid(tuple_t *tuple, cistpl_funcid_t *f) 853static int parse_funcid(tuple_t *tuple, cistpl_funcid_t *f)
832{ 854{
833 u_char *p; 855 u_char *p;
834 if (tuple->TupleDataLen < 2) 856 if (tuple->TupleDataLen < 2)
835 return -EINVAL; 857 return -EINVAL;
836 p = (u_char *)tuple->TupleData; 858 p = (u_char *)tuple->TupleData;
837 f->func = p[0]; 859 f->func = p[0];
838 f->sysinit = p[1]; 860 f->sysinit = p[1];
839 return 0; 861 return 0;
840} 862}
841 863
842/*====================================================================*/
843 864
844static int parse_funce(tuple_t *tuple, cistpl_funce_t *f) 865static int parse_funce(tuple_t *tuple, cistpl_funce_t *f)
845{ 866{
846 u_char *p; 867 u_char *p;
847 int i; 868 int i;
848 if (tuple->TupleDataLen < 1) 869 if (tuple->TupleDataLen < 1)
849 return -EINVAL; 870 return -EINVAL;
850 p = (u_char *)tuple->TupleData; 871 p = (u_char *)tuple->TupleData;
851 f->type = p[0]; 872 f->type = p[0];
852 for (i = 1; i < tuple->TupleDataLen; i++) 873 for (i = 1; i < tuple->TupleDataLen; i++)
853 f->data[i-1] = p[i]; 874 f->data[i-1] = p[i];
854 return 0; 875 return 0;
855} 876}
856 877
857/*====================================================================*/
858 878
859static int parse_config(tuple_t *tuple, cistpl_config_t *config) 879static int parse_config(tuple_t *tuple, cistpl_config_t *config)
860{ 880{
861 int rasz, rmsz, i; 881 int rasz, rmsz, i;
862 u_char *p; 882 u_char *p;
863 883
864 p = (u_char *)tuple->TupleData; 884 p = (u_char *)tuple->TupleData;
865 rasz = *p & 0x03; 885 rasz = *p & 0x03;
866 rmsz = (*p & 0x3c) >> 2; 886 rmsz = (*p & 0x3c) >> 2;
867 if (tuple->TupleDataLen < rasz+rmsz+4) 887 if (tuple->TupleDataLen < rasz+rmsz+4)
868 return -EINVAL; 888 return -EINVAL;
869 config->last_idx = *(++p); 889 config->last_idx = *(++p);
870 p++; 890 p++;
871 config->base = 0; 891 config->base = 0;
872 for (i = 0; i <= rasz; i++) 892 for (i = 0; i <= rasz; i++)
873 config->base += p[i] << (8*i); 893 config->base += p[i] << (8*i);
874 p += rasz+1; 894 p += rasz+1;
875 for (i = 0; i < 4; i++) 895 for (i = 0; i < 4; i++)
876 config->rmask[i] = 0; 896 config->rmask[i] = 0;
877 for (i = 0; i <= rmsz; i++) 897 for (i = 0; i <= rmsz; i++)
878 config->rmask[i>>2] += p[i] << (8*(i%4)); 898 config->rmask[i>>2] += p[i] << (8*(i%4));
879 config->subtuples = tuple->TupleDataLen - (rasz+rmsz+4); 899 config->subtuples = tuple->TupleDataLen - (rasz+rmsz+4);
880 return 0; 900 return 0;
881} 901}
882 902
883/*====================================================================== 903/* The following routines are all used to parse the nightmarish
904 * config table entries.
905 */
906
907static u_char *parse_power(u_char *p, u_char *q, cistpl_power_t *pwr)
908{
909 int i;
910 u_int scale;
884 911
885 The following routines are all used to parse the nightmarish 912 if (p == q)
886 config table entries. 913 return NULL;
914 pwr->present = *p;
915 pwr->flags = 0;
916 p++;
917 for (i = 0; i < 7; i++)
918 if (pwr->present & (1<<i)) {
919 if (p == q)
920 return NULL;
921 pwr->param[i] = POWER_CVT(*p);
922 scale = POWER_SCALE(*p);
923 while (*p & 0x80) {
924 if (++p == q)
925 return NULL;
926 if ((*p & 0x7f) < 100)
927 pwr->param[i] +=
928 (*p & 0x7f) * scale / 100;
929 else if (*p == 0x7d)
930 pwr->flags |= CISTPL_POWER_HIGHZ_OK;
931 else if (*p == 0x7e)
932 pwr->param[i] = 0;
933 else if (*p == 0x7f)
934 pwr->flags |= CISTPL_POWER_HIGHZ_REQ;
935 else
936 return NULL;
937 }
938 p++;
939 }
940 return p;
941}
887 942
888======================================================================*/
889 943
890static u_char *parse_power(u_char *p, u_char *q, 944static u_char *parse_timing(u_char *p, u_char *q, cistpl_timing_t *timing)
891 cistpl_power_t *pwr)
892{ 945{
893 int i; 946 u_char scale;
894 u_int scale; 947
895 948 if (p == q)
896 if (p == q) 949 return NULL;
897 return NULL; 950 scale = *p;
898 pwr->present = *p; 951 if ((scale & 3) != 3) {
899 pwr->flags = 0;
900 p++;
901 for (i = 0; i < 7; i++)
902 if (pwr->present & (1<<i)) {
903 if (p == q)
904 return NULL;
905 pwr->param[i] = POWER_CVT(*p);
906 scale = POWER_SCALE(*p);
907 while (*p & 0x80) {
908 if (++p == q) 952 if (++p == q)
909 return NULL; 953 return NULL;
910 if ((*p & 0x7f) < 100) 954 timing->wait = SPEED_CVT(*p);
911 pwr->param[i] += (*p & 0x7f) * scale / 100; 955 timing->waitscale = exponent[scale & 3];
912 else if (*p == 0x7d) 956 } else
913 pwr->flags |= CISTPL_POWER_HIGHZ_OK; 957 timing->wait = 0;
914 else if (*p == 0x7e) 958 scale >>= 2;
915 pwr->param[i] = 0; 959 if ((scale & 7) != 7) {
916 else if (*p == 0x7f) 960 if (++p == q)
917 pwr->flags |= CISTPL_POWER_HIGHZ_REQ; 961 return NULL;
918 else 962 timing->ready = SPEED_CVT(*p);
919 return NULL; 963 timing->rdyscale = exponent[scale & 7];
920 } 964 } else
921 p++; 965 timing->ready = 0;
922 } 966 scale >>= 3;
923 return p; 967 if (scale != 7) {
968 if (++p == q)
969 return NULL;
970 timing->reserved = SPEED_CVT(*p);
971 timing->rsvscale = exponent[scale];
972 } else
973 timing->reserved = 0;
974 p++;
975 return p;
924} 976}
925 977
926/*====================================================================*/
927 978
928static u_char *parse_timing(u_char *p, u_char *q, 979static u_char *parse_io(u_char *p, u_char *q, cistpl_io_t *io)
929 cistpl_timing_t *timing)
930{ 980{
931 u_char scale; 981 int i, j, bsz, lsz;
932 982
933 if (p == q) 983 if (p == q)
934 return NULL;
935 scale = *p;
936 if ((scale & 3) != 3) {
937 if (++p == q)
938 return NULL;
939 timing->wait = SPEED_CVT(*p);
940 timing->waitscale = exponent[scale & 3];
941 } else
942 timing->wait = 0;
943 scale >>= 2;
944 if ((scale & 7) != 7) {
945 if (++p == q)
946 return NULL; 984 return NULL;
947 timing->ready = SPEED_CVT(*p); 985 io->flags = *p;
948 timing->rdyscale = exponent[scale & 7]; 986
949 } else 987 if (!(*p & 0x80)) {
950 timing->ready = 0; 988 io->nwin = 1;
951 scale >>= 3; 989 io->win[0].base = 0;
952 if (scale != 7) { 990 io->win[0].len = (1 << (io->flags & CISTPL_IO_LINES_MASK));
991 return p+1;
992 }
993
953 if (++p == q) 994 if (++p == q)
954 return NULL; 995 return NULL;
955 timing->reserved = SPEED_CVT(*p); 996 io->nwin = (*p & 0x0f) + 1;
956 timing->rsvscale = exponent[scale]; 997 bsz = (*p & 0x30) >> 4;
957 } else 998 if (bsz == 3)
958 timing->reserved = 0; 999 bsz++;
959 p++; 1000 lsz = (*p & 0xc0) >> 6;
960 return p; 1001 if (lsz == 3)
961} 1002 lsz++;
962 1003 p++;
963/*====================================================================*/
964 1004
965static u_char *parse_io(u_char *p, u_char *q, cistpl_io_t *io) 1005 for (i = 0; i < io->nwin; i++) {
966{ 1006 io->win[i].base = 0;
967 int i, j, bsz, lsz; 1007 io->win[i].len = 1;
968 1008 for (j = 0; j < bsz; j++, p++) {
969 if (p == q) 1009 if (p == q)
970 return NULL; 1010 return NULL;
971 io->flags = *p; 1011 io->win[i].base += *p << (j*8);
972 1012 }
973 if (!(*p & 0x80)) { 1013 for (j = 0; j < lsz; j++, p++) {
974 io->nwin = 1; 1014 if (p == q)
975 io->win[0].base = 0; 1015 return NULL;
976 io->win[0].len = (1 << (io->flags & CISTPL_IO_LINES_MASK)); 1016 io->win[i].len += *p << (j*8);
977 return p+1; 1017 }
978 }
979
980 if (++p == q)
981 return NULL;
982 io->nwin = (*p & 0x0f) + 1;
983 bsz = (*p & 0x30) >> 4;
984 if (bsz == 3)
985 bsz++;
986 lsz = (*p & 0xc0) >> 6;
987 if (lsz == 3)
988 lsz++;
989 p++;
990
991 for (i = 0; i < io->nwin; i++) {
992 io->win[i].base = 0;
993 io->win[i].len = 1;
994 for (j = 0; j < bsz; j++, p++) {
995 if (p == q)
996 return NULL;
997 io->win[i].base += *p << (j*8);
998 }
999 for (j = 0; j < lsz; j++, p++) {
1000 if (p == q)
1001 return NULL;
1002 io->win[i].len += *p << (j*8);
1003 } 1018 }
1004 } 1019 return p;
1005 return p;
1006} 1020}
1007 1021
1008/*====================================================================*/
1009 1022
1010static u_char *parse_mem(u_char *p, u_char *q, cistpl_mem_t *mem) 1023static u_char *parse_mem(u_char *p, u_char *q, cistpl_mem_t *mem)
1011{ 1024{
1012 int i, j, asz, lsz, has_ha; 1025 int i, j, asz, lsz, has_ha;
1013 u_int len, ca, ha; 1026 u_int len, ca, ha;
1014 1027
1015 if (p == q) 1028 if (p == q)
1016 return NULL; 1029 return NULL;
1017 1030
1018 mem->nwin = (*p & 0x07) + 1; 1031 mem->nwin = (*p & 0x07) + 1;
1019 lsz = (*p & 0x18) >> 3; 1032 lsz = (*p & 0x18) >> 3;
1020 asz = (*p & 0x60) >> 5; 1033 asz = (*p & 0x60) >> 5;
1021 has_ha = (*p & 0x80); 1034 has_ha = (*p & 0x80);
1022 if (++p == q) 1035 if (++p == q)
1023 return NULL; 1036 return NULL;
1024 1037
1025 for (i = 0; i < mem->nwin; i++) { 1038 for (i = 0; i < mem->nwin; i++) {
1026 len = ca = ha = 0; 1039 len = ca = ha = 0;
1027 for (j = 0; j < lsz; j++, p++) { 1040 for (j = 0; j < lsz; j++, p++) {
1028 if (p == q) 1041 if (p == q)
1029 return NULL; 1042 return NULL;
1030 len += *p << (j*8); 1043 len += *p << (j*8);
1031 } 1044 }
1032 for (j = 0; j < asz; j++, p++) { 1045 for (j = 0; j < asz; j++, p++) {
1033 if (p == q) 1046 if (p == q)
1034 return NULL; 1047 return NULL;
1035 ca += *p << (j*8); 1048 ca += *p << (j*8);
1049 }
1050 if (has_ha)
1051 for (j = 0; j < asz; j++, p++) {
1052 if (p == q)
1053 return NULL;
1054 ha += *p << (j*8);
1055 }
1056 mem->win[i].len = len << 8;
1057 mem->win[i].card_addr = ca << 8;
1058 mem->win[i].host_addr = ha << 8;
1036 } 1059 }
1037 if (has_ha) 1060 return p;
1038 for (j = 0; j < asz; j++, p++) {
1039 if (p == q)
1040 return NULL;
1041 ha += *p << (j*8);
1042 }
1043 mem->win[i].len = len << 8;
1044 mem->win[i].card_addr = ca << 8;
1045 mem->win[i].host_addr = ha << 8;
1046 }
1047 return p;
1048} 1061}
1049 1062
1050/*====================================================================*/
1051 1063
1052static u_char *parse_irq(u_char *p, u_char *q, cistpl_irq_t *irq) 1064static u_char *parse_irq(u_char *p, u_char *q, cistpl_irq_t *irq)
1053{ 1065{
1054 if (p == q) 1066 if (p == q)
1055 return NULL;
1056 irq->IRQInfo1 = *p; p++;
1057 if (irq->IRQInfo1 & IRQ_INFO2_VALID) {
1058 if (p+2 > q)
1059 return NULL; 1067 return NULL;
1060 irq->IRQInfo2 = (p[1]<<8) + p[0]; 1068 irq->IRQInfo1 = *p; p++;
1061 p += 2; 1069 if (irq->IRQInfo1 & IRQ_INFO2_VALID) {
1062 } 1070 if (p+2 > q)
1063 return p; 1071 return NULL;
1072 irq->IRQInfo2 = (p[1]<<8) + p[0];
1073 p += 2;
1074 }
1075 return p;
1064} 1076}
1065 1077
1066/*====================================================================*/
1067 1078
1068static int parse_cftable_entry(tuple_t *tuple, 1079static int parse_cftable_entry(tuple_t *tuple,
1069 cistpl_cftable_entry_t *entry) 1080 cistpl_cftable_entry_t *entry)
1070{ 1081{
1071 u_char *p, *q, features; 1082 u_char *p, *q, features;
1072
1073 p = tuple->TupleData;
1074 q = p + tuple->TupleDataLen;
1075 entry->index = *p & 0x3f;
1076 entry->flags = 0;
1077 if (*p & 0x40)
1078 entry->flags |= CISTPL_CFTABLE_DEFAULT;
1079 if (*p & 0x80) {
1080 if (++p == q)
1081 return -EINVAL;
1082 if (*p & 0x10)
1083 entry->flags |= CISTPL_CFTABLE_BVDS;
1084 if (*p & 0x20)
1085 entry->flags |= CISTPL_CFTABLE_WP;
1086 if (*p & 0x40)
1087 entry->flags |= CISTPL_CFTABLE_RDYBSY;
1088 if (*p & 0x80)
1089 entry->flags |= CISTPL_CFTABLE_MWAIT;
1090 entry->interface = *p & 0x0f;
1091 } else
1092 entry->interface = 0;
1093
1094 /* Process optional features */
1095 if (++p == q)
1096 return -EINVAL;
1097 features = *p; p++;
1098
1099 /* Power options */
1100 if ((features & 3) > 0) {
1101 p = parse_power(p, q, &entry->vcc);
1102 if (p == NULL)
1103 return -EINVAL;
1104 } else
1105 entry->vcc.present = 0;
1106 if ((features & 3) > 1) {
1107 p = parse_power(p, q, &entry->vpp1);
1108 if (p == NULL)
1109 return -EINVAL;
1110 } else
1111 entry->vpp1.present = 0;
1112 if ((features & 3) > 2) {
1113 p = parse_power(p, q, &entry->vpp2);
1114 if (p == NULL)
1115 return -EINVAL;
1116 } else
1117 entry->vpp2.present = 0;
1118
1119 /* Timing options */
1120 if (features & 0x04) {
1121 p = parse_timing(p, q, &entry->timing);
1122 if (p == NULL)
1123 return -EINVAL;
1124 } else {
1125 entry->timing.wait = 0;
1126 entry->timing.ready = 0;
1127 entry->timing.reserved = 0;
1128 }
1129
1130 /* I/O window options */
1131 if (features & 0x08) {
1132 p = parse_io(p, q, &entry->io);
1133 if (p == NULL)
1134 return -EINVAL;
1135 } else
1136 entry->io.nwin = 0;
1137 1083
1138 /* Interrupt options */ 1084 p = tuple->TupleData;
1139 if (features & 0x10) { 1085 q = p + tuple->TupleDataLen;
1140 p = parse_irq(p, q, &entry->irq); 1086 entry->index = *p & 0x3f;
1141 if (p == NULL) 1087 entry->flags = 0;
1142 return -EINVAL; 1088 if (*p & 0x40)
1143 } else 1089 entry->flags |= CISTPL_CFTABLE_DEFAULT;
1144 entry->irq.IRQInfo1 = 0; 1090 if (*p & 0x80) {
1145 1091 if (++p == q)
1146 switch (features & 0x60) { 1092 return -EINVAL;
1147 case 0x00: 1093 if (*p & 0x10)
1148 entry->mem.nwin = 0; 1094 entry->flags |= CISTPL_CFTABLE_BVDS;
1149 break; 1095 if (*p & 0x20)
1150 case 0x20: 1096 entry->flags |= CISTPL_CFTABLE_WP;
1151 entry->mem.nwin = 1; 1097 if (*p & 0x40)
1152 entry->mem.win[0].len = get_unaligned_le16(p) << 8; 1098 entry->flags |= CISTPL_CFTABLE_RDYBSY;
1153 entry->mem.win[0].card_addr = 0; 1099 if (*p & 0x80)
1154 entry->mem.win[0].host_addr = 0; 1100 entry->flags |= CISTPL_CFTABLE_MWAIT;
1155 p += 2; 1101 entry->interface = *p & 0x0f;
1156 if (p > q) 1102 } else
1157 return -EINVAL; 1103 entry->interface = 0;
1158 break;
1159 case 0x40:
1160 entry->mem.nwin = 1;
1161 entry->mem.win[0].len = get_unaligned_le16(p) << 8;
1162 entry->mem.win[0].card_addr = get_unaligned_le16(p + 2) << 8;
1163 entry->mem.win[0].host_addr = 0;
1164 p += 4;
1165 if (p > q)
1166 return -EINVAL;
1167 break;
1168 case 0x60:
1169 p = parse_mem(p, q, &entry->mem);
1170 if (p == NULL)
1171 return -EINVAL;
1172 break;
1173 }
1174 1104
1175 /* Misc features */ 1105 /* Process optional features */
1176 if (features & 0x80) { 1106 if (++p == q)
1177 if (p == q)
1178 return -EINVAL; 1107 return -EINVAL;
1179 entry->flags |= (*p << 8); 1108 features = *p; p++;
1180 while (*p & 0x80)
1181 if (++p == q)
1182 return -EINVAL;
1183 p++;
1184 }
1185 1109
1186 entry->subtuples = q-p; 1110 /* Power options */
1187 1111 if ((features & 3) > 0) {
1188 return 0; 1112 p = parse_power(p, q, &entry->vcc);
1189} 1113 if (p == NULL)
1190 1114 return -EINVAL;
1191/*====================================================================*/ 1115 } else
1192 1116 entry->vcc.present = 0;
1193#ifdef CONFIG_CARDBUS 1117 if ((features & 3) > 1) {
1194 1118 p = parse_power(p, q, &entry->vpp1);
1195static int parse_bar(tuple_t *tuple, cistpl_bar_t *bar) 1119 if (p == NULL)
1196{ 1120 return -EINVAL;
1197 u_char *p; 1121 } else
1198 if (tuple->TupleDataLen < 6) 1122 entry->vpp1.present = 0;
1199 return -EINVAL; 1123 if ((features & 3) > 2) {
1200 p = (u_char *)tuple->TupleData; 1124 p = parse_power(p, q, &entry->vpp2);
1201 bar->attr = *p; 1125 if (p == NULL)
1202 p += 2; 1126 return -EINVAL;
1203 bar->size = get_unaligned_le32(p); 1127 } else
1204 return 0; 1128 entry->vpp2.present = 0;
1205}
1206 1129
1207static int parse_config_cb(tuple_t *tuple, cistpl_config_t *config) 1130 /* Timing options */
1208{ 1131 if (features & 0x04) {
1209 u_char *p; 1132 p = parse_timing(p, q, &entry->timing);
1210 1133 if (p == NULL)
1211 p = (u_char *)tuple->TupleData; 1134 return -EINVAL;
1212 if ((*p != 3) || (tuple->TupleDataLen < 6)) 1135 } else {
1213 return -EINVAL; 1136 entry->timing.wait = 0;
1214 config->last_idx = *(++p); 1137 entry->timing.ready = 0;
1215 p++; 1138 entry->timing.reserved = 0;
1216 config->base = get_unaligned_le32(p); 1139 }
1217 config->subtuples = tuple->TupleDataLen - 6;
1218 return 0;
1219}
1220 1140
1221static int parse_cftable_entry_cb(tuple_t *tuple, 1141 /* I/O window options */
1222 cistpl_cftable_entry_cb_t *entry) 1142 if (features & 0x08) {
1223{ 1143 p = parse_io(p, q, &entry->io);
1224 u_char *p, *q, features; 1144 if (p == NULL)
1225 1145 return -EINVAL;
1226 p = tuple->TupleData; 1146 } else
1227 q = p + tuple->TupleDataLen; 1147 entry->io.nwin = 0;
1228 entry->index = *p & 0x3f;
1229 entry->flags = 0;
1230 if (*p & 0x40)
1231 entry->flags |= CISTPL_CFTABLE_DEFAULT;
1232
1233 /* Process optional features */
1234 if (++p == q)
1235 return -EINVAL;
1236 features = *p; p++;
1237
1238 /* Power options */
1239 if ((features & 3) > 0) {
1240 p = parse_power(p, q, &entry->vcc);
1241 if (p == NULL)
1242 return -EINVAL;
1243 } else
1244 entry->vcc.present = 0;
1245 if ((features & 3) > 1) {
1246 p = parse_power(p, q, &entry->vpp1);
1247 if (p == NULL)
1248 return -EINVAL;
1249 } else
1250 entry->vpp1.present = 0;
1251 if ((features & 3) > 2) {
1252 p = parse_power(p, q, &entry->vpp2);
1253 if (p == NULL)
1254 return -EINVAL;
1255 } else
1256 entry->vpp2.present = 0;
1257 1148
1258 /* I/O window options */ 1149 /* Interrupt options */
1259 if (features & 0x08) { 1150 if (features & 0x10) {
1260 if (p == q) 1151 p = parse_irq(p, q, &entry->irq);
1261 return -EINVAL; 1152 if (p == NULL)
1262 entry->io = *p; p++; 1153 return -EINVAL;
1263 } else 1154 } else
1264 entry->io = 0; 1155 entry->irq.IRQInfo1 = 0;
1265
1266 /* Interrupt options */
1267 if (features & 0x10) {
1268 p = parse_irq(p, q, &entry->irq);
1269 if (p == NULL)
1270 return -EINVAL;
1271 } else
1272 entry->irq.IRQInfo1 = 0;
1273 1156
1274 if (features & 0x20) { 1157 switch (features & 0x60) {
1275 if (p == q) 1158 case 0x00:
1276 return -EINVAL; 1159 entry->mem.nwin = 0;
1277 entry->mem = *p; p++; 1160 break;
1278 } else 1161 case 0x20:
1279 entry->mem = 0; 1162 entry->mem.nwin = 1;
1163 entry->mem.win[0].len = get_unaligned_le16(p) << 8;
1164 entry->mem.win[0].card_addr = 0;
1165 entry->mem.win[0].host_addr = 0;
1166 p += 2;
1167 if (p > q)
1168 return -EINVAL;
1169 break;
1170 case 0x40:
1171 entry->mem.nwin = 1;
1172 entry->mem.win[0].len = get_unaligned_le16(p) << 8;
1173 entry->mem.win[0].card_addr = get_unaligned_le16(p + 2) << 8;
1174 entry->mem.win[0].host_addr = 0;
1175 p += 4;
1176 if (p > q)
1177 return -EINVAL;
1178 break;
1179 case 0x60:
1180 p = parse_mem(p, q, &entry->mem);
1181 if (p == NULL)
1182 return -EINVAL;
1183 break;
1184 }
1280 1185
1281 /* Misc features */ 1186 /* Misc features */
1282 if (features & 0x80) { 1187 if (features & 0x80) {
1283 if (p == q) 1188 if (p == q)
1284 return -EINVAL; 1189 return -EINVAL;
1285 entry->flags |= (*p << 8); 1190 entry->flags |= (*p << 8);
1286 if (*p & 0x80) { 1191 while (*p & 0x80)
1287 if (++p == q) 1192 if (++p == q)
1288 return -EINVAL; 1193 return -EINVAL;
1289 entry->flags |= (*p << 16); 1194 p++;
1290 } 1195 }
1291 while (*p & 0x80)
1292 if (++p == q)
1293 return -EINVAL;
1294 p++;
1295 }
1296 1196
1297 entry->subtuples = q-p; 1197 entry->subtuples = q-p;
1298 1198
1299 return 0; 1199 return 0;
1300} 1200}
1301 1201
1302#endif
1303
1304/*====================================================================*/
1305 1202
1306static int parse_device_geo(tuple_t *tuple, cistpl_device_geo_t *geo) 1203static int parse_device_geo(tuple_t *tuple, cistpl_device_geo_t *geo)
1307{ 1204{
1308 u_char *p, *q; 1205 u_char *p, *q;
1309 int n; 1206 int n;
1310 1207
1311 p = (u_char *)tuple->TupleData; 1208 p = (u_char *)tuple->TupleData;
1312 q = p + tuple->TupleDataLen; 1209 q = p + tuple->TupleDataLen;
1313 1210
1314 for (n = 0; n < CISTPL_MAX_DEVICES; n++) { 1211 for (n = 0; n < CISTPL_MAX_DEVICES; n++) {
1315 if (p > q-6) 1212 if (p > q-6)
1316 break; 1213 break;
1317 geo->geo[n].buswidth = p[0]; 1214 geo->geo[n].buswidth = p[0];
1318 geo->geo[n].erase_block = 1 << (p[1]-1); 1215 geo->geo[n].erase_block = 1 << (p[1]-1);
1319 geo->geo[n].read_block = 1 << (p[2]-1); 1216 geo->geo[n].read_block = 1 << (p[2]-1);
1320 geo->geo[n].write_block = 1 << (p[3]-1); 1217 geo->geo[n].write_block = 1 << (p[3]-1);
1321 geo->geo[n].partition = 1 << (p[4]-1); 1218 geo->geo[n].partition = 1 << (p[4]-1);
1322 geo->geo[n].interleave = 1 << (p[5]-1); 1219 geo->geo[n].interleave = 1 << (p[5]-1);
1323 p += 6; 1220 p += 6;
1324 } 1221 }
1325 geo->ngeo = n; 1222 geo->ngeo = n;
1326 return 0; 1223 return 0;
1327} 1224}
1328 1225
1329/*====================================================================*/
1330 1226
1331static int parse_vers_2(tuple_t *tuple, cistpl_vers_2_t *v2) 1227static int parse_vers_2(tuple_t *tuple, cistpl_vers_2_t *v2)
1332{ 1228{
1333 u_char *p, *q; 1229 u_char *p, *q;
1334 1230
1335 if (tuple->TupleDataLen < 10) 1231 if (tuple->TupleDataLen < 10)
1336 return -EINVAL; 1232 return -EINVAL;
1337 1233
1338 p = tuple->TupleData; 1234 p = tuple->TupleData;
1339 q = p + tuple->TupleDataLen; 1235 q = p + tuple->TupleDataLen;
1340 1236
1341 v2->vers = p[0]; 1237 v2->vers = p[0];
1342 v2->comply = p[1]; 1238 v2->comply = p[1];
1343 v2->dindex = get_unaligned_le16(p + 2); 1239 v2->dindex = get_unaligned_le16(p + 2);
1344 v2->vspec8 = p[6]; 1240 v2->vspec8 = p[6];
1345 v2->vspec9 = p[7]; 1241 v2->vspec9 = p[7];
1346 v2->nhdr = p[8]; 1242 v2->nhdr = p[8];
1347 p += 9; 1243 p += 9;
1348 return parse_strings(p, q, 2, v2->str, &v2->vendor, NULL); 1244 return parse_strings(p, q, 2, v2->str, &v2->vendor, NULL);
1349} 1245}
1350 1246
1351/*====================================================================*/
1352 1247
1353static int parse_org(tuple_t *tuple, cistpl_org_t *org) 1248static int parse_org(tuple_t *tuple, cistpl_org_t *org)
1354{ 1249{
1355 u_char *p, *q; 1250 u_char *p, *q;
1356 int i; 1251 int i;
1357 1252
1358 p = tuple->TupleData; 1253 p = tuple->TupleData;
1359 q = p + tuple->TupleDataLen; 1254 q = p + tuple->TupleDataLen;
1360 if (p == q) 1255 if (p == q)
1361 return -EINVAL; 1256 return -EINVAL;
1362 org->data_org = *p; 1257 org->data_org = *p;
1363 if (++p == q)
1364 return -EINVAL;
1365 for (i = 0; i < 30; i++) {
1366 org->desc[i] = *p;
1367 if (*p == '\0')
1368 break;
1369 if (++p == q) 1258 if (++p == q)
1370 return -EINVAL; 1259 return -EINVAL;
1371 } 1260 for (i = 0; i < 30; i++) {
1372 return 0; 1261 org->desc[i] = *p;
1262 if (*p == '\0')
1263 break;
1264 if (++p == q)
1265 return -EINVAL;
1266 }
1267 return 0;
1373} 1268}
1374 1269
1375/*====================================================================*/
1376 1270
1377static int parse_format(tuple_t *tuple, cistpl_format_t *fmt) 1271static int parse_format(tuple_t *tuple, cistpl_format_t *fmt)
1378{ 1272{
1379 u_char *p; 1273 u_char *p;
1380 1274
1381 if (tuple->TupleDataLen < 10) 1275 if (tuple->TupleDataLen < 10)
1382 return -EINVAL; 1276 return -EINVAL;
1383 1277
1384 p = tuple->TupleData; 1278 p = tuple->TupleData;
1385 1279
1386 fmt->type = p[0]; 1280 fmt->type = p[0];
1387 fmt->edc = p[1]; 1281 fmt->edc = p[1];
1388 fmt->offset = get_unaligned_le32(p + 2); 1282 fmt->offset = get_unaligned_le32(p + 2);
1389 fmt->length = get_unaligned_le32(p + 6); 1283 fmt->length = get_unaligned_le32(p + 6);
1390 1284
1391 return 0; 1285 return 0;
1392} 1286}
1393 1287
1394/*====================================================================*/
1395 1288
1396int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse) 1289int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse)
1397{ 1290{
1398 int ret = 0; 1291 int ret = 0;
1399 1292
1400 if (tuple->TupleDataLen > tuple->TupleDataMax) 1293 if (tuple->TupleDataLen > tuple->TupleDataMax)
1401 return -EINVAL; 1294 return -EINVAL;
1402 switch (tuple->TupleCode) { 1295 switch (tuple->TupleCode) {
1403 case CISTPL_DEVICE: 1296 case CISTPL_DEVICE:
1404 case CISTPL_DEVICE_A: 1297 case CISTPL_DEVICE_A:
1405 ret = parse_device(tuple, &parse->device); 1298 ret = parse_device(tuple, &parse->device);
1406 break; 1299 break;
1407#ifdef CONFIG_CARDBUS 1300 case CISTPL_CHECKSUM:
1408 case CISTPL_BAR: 1301 ret = parse_checksum(tuple, &parse->checksum);
1409 ret = parse_bar(tuple, &parse->bar); 1302 break;
1410 break; 1303 case CISTPL_LONGLINK_A:
1411 case CISTPL_CONFIG_CB: 1304 case CISTPL_LONGLINK_C:
1412 ret = parse_config_cb(tuple, &parse->config); 1305 ret = parse_longlink(tuple, &parse->longlink);
1413 break; 1306 break;
1414 case CISTPL_CFTABLE_ENTRY_CB: 1307 case CISTPL_LONGLINK_MFC:
1415 ret = parse_cftable_entry_cb(tuple, &parse->cftable_entry_cb); 1308 ret = parse_longlink_mfc(tuple, &parse->longlink_mfc);
1416 break; 1309 break;
1417#endif 1310 case CISTPL_VERS_1:
1418 case CISTPL_CHECKSUM: 1311 ret = parse_vers_1(tuple, &parse->version_1);
1419 ret = parse_checksum(tuple, &parse->checksum); 1312 break;
1420 break; 1313 case CISTPL_ALTSTR:
1421 case CISTPL_LONGLINK_A: 1314 ret = parse_altstr(tuple, &parse->altstr);
1422 case CISTPL_LONGLINK_C: 1315 break;
1423 ret = parse_longlink(tuple, &parse->longlink); 1316 case CISTPL_JEDEC_A:
1424 break; 1317 case CISTPL_JEDEC_C:
1425 case CISTPL_LONGLINK_MFC: 1318 ret = parse_jedec(tuple, &parse->jedec);
1426 ret = parse_longlink_mfc(tuple, &parse->longlink_mfc); 1319 break;
1427 break; 1320 case CISTPL_MANFID:
1428 case CISTPL_VERS_1: 1321 ret = parse_manfid(tuple, &parse->manfid);
1429 ret = parse_vers_1(tuple, &parse->version_1); 1322 break;
1430 break; 1323 case CISTPL_FUNCID:
1431 case CISTPL_ALTSTR: 1324 ret = parse_funcid(tuple, &parse->funcid);
1432 ret = parse_altstr(tuple, &parse->altstr); 1325 break;
1433 break; 1326 case CISTPL_FUNCE:
1434 case CISTPL_JEDEC_A: 1327 ret = parse_funce(tuple, &parse->funce);
1435 case CISTPL_JEDEC_C: 1328 break;
1436 ret = parse_jedec(tuple, &parse->jedec); 1329 case CISTPL_CONFIG:
1437 break; 1330 ret = parse_config(tuple, &parse->config);
1438 case CISTPL_MANFID: 1331 break;
1439 ret = parse_manfid(tuple, &parse->manfid); 1332 case CISTPL_CFTABLE_ENTRY:
1440 break; 1333 ret = parse_cftable_entry(tuple, &parse->cftable_entry);
1441 case CISTPL_FUNCID: 1334 break;
1442 ret = parse_funcid(tuple, &parse->funcid); 1335 case CISTPL_DEVICE_GEO:
1443 break; 1336 case CISTPL_DEVICE_GEO_A:
1444 case CISTPL_FUNCE: 1337 ret = parse_device_geo(tuple, &parse->device_geo);
1445 ret = parse_funce(tuple, &parse->funce); 1338 break;
1446 break; 1339 case CISTPL_VERS_2:
1447 case CISTPL_CONFIG: 1340 ret = parse_vers_2(tuple, &parse->vers_2);
1448 ret = parse_config(tuple, &parse->config); 1341 break;
1449 break; 1342 case CISTPL_ORG:
1450 case CISTPL_CFTABLE_ENTRY: 1343 ret = parse_org(tuple, &parse->org);
1451 ret = parse_cftable_entry(tuple, &parse->cftable_entry); 1344 break;
1452 break; 1345 case CISTPL_FORMAT:
1453 case CISTPL_DEVICE_GEO: 1346 case CISTPL_FORMAT_A:
1454 case CISTPL_DEVICE_GEO_A: 1347 ret = parse_format(tuple, &parse->format);
1455 ret = parse_device_geo(tuple, &parse->device_geo); 1348 break;
1456 break; 1349 case CISTPL_NO_LINK:
1457 case CISTPL_VERS_2: 1350 case CISTPL_LINKTARGET:
1458 ret = parse_vers_2(tuple, &parse->vers_2); 1351 ret = 0;
1459 break; 1352 break;
1460 case CISTPL_ORG: 1353 default:
1461 ret = parse_org(tuple, &parse->org); 1354 ret = -EINVAL;
1462 break; 1355 break;
1463 case CISTPL_FORMAT: 1356 }
1464 case CISTPL_FORMAT_A: 1357 if (ret)
1465 ret = parse_format(tuple, &parse->format); 1358 pr_debug("parse_tuple failed %d\n", ret);
1466 break; 1359 return ret;
1467 case CISTPL_NO_LINK:
1468 case CISTPL_LINKTARGET:
1469 ret = 0;
1470 break;
1471 default:
1472 ret = -EINVAL;
1473 break;
1474 }
1475 if (ret)
1476 pr_debug("parse_tuple failed %d\n", ret);
1477 return ret;
1478} 1360}
1479EXPORT_SYMBOL(pcmcia_parse_tuple); 1361EXPORT_SYMBOL(pcmcia_parse_tuple);
1480 1362
1481/*======================================================================
1482 1363
1483 This is used internally by Card Services to look up CIS stuff. 1364/**
1484 1365 * pccard_read_tuple() - internal CIS tuple access
1485======================================================================*/ 1366 * @s: the struct pcmcia_socket where the card is inserted
1486 1367 * @function: the device function we loop for
1487int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse) 1368 * @code: which CIS code shall we look for?
1369 * @parse: buffer where the tuple shall be parsed (or NULL, if no parse)
1370 *
1371 * pccard_read_tuple() reads out one tuple and attempts to parse it
1372 */
1373int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
1374 cisdata_t code, void *parse)
1488{ 1375{
1489 tuple_t tuple; 1376 tuple_t tuple;
1490 cisdata_t *buf; 1377 cisdata_t *buf;
1491 int ret; 1378 int ret;
1492 1379
1493 buf = kmalloc(256, GFP_KERNEL); 1380 buf = kmalloc(256, GFP_KERNEL);
1494 if (buf == NULL) { 1381 if (buf == NULL) {
1495 dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n"); 1382 dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n");
1496 return -ENOMEM; 1383 return -ENOMEM;
1497 } 1384 }
1498 tuple.DesiredTuple = code; 1385 tuple.DesiredTuple = code;
1499 tuple.Attributes = 0; 1386 tuple.Attributes = 0;
1500 if (function == BIND_FN_ALL) 1387 if (function == BIND_FN_ALL)
1501 tuple.Attributes = TUPLE_RETURN_COMMON; 1388 tuple.Attributes = TUPLE_RETURN_COMMON;
1502 ret = pccard_get_first_tuple(s, function, &tuple); 1389 ret = pccard_get_first_tuple(s, function, &tuple);
1503 if (ret != 0) 1390 if (ret != 0)
1504 goto done; 1391 goto done;
1505 tuple.TupleData = buf; 1392 tuple.TupleData = buf;
1506 tuple.TupleOffset = 0; 1393 tuple.TupleOffset = 0;
1507 tuple.TupleDataMax = 255; 1394 tuple.TupleDataMax = 255;
1508 ret = pccard_get_tuple_data(s, &tuple); 1395 ret = pccard_get_tuple_data(s, &tuple);
1509 if (ret != 0) 1396 if (ret != 0)
1510 goto done; 1397 goto done;
1511 ret = pcmcia_parse_tuple(&tuple, parse); 1398 ret = pcmcia_parse_tuple(&tuple, parse);
1512done: 1399done:
1513 kfree(buf); 1400 kfree(buf);
1514 return ret; 1401 return ret;
1515} 1402}
1516EXPORT_SYMBOL(pccard_read_tuple);
1517 1403
1518 1404
1519/** 1405/**
@@ -1573,84 +1459,238 @@ next_entry:
1573 kfree(buf); 1459 kfree(buf);
1574 return ret; 1460 return ret;
1575} 1461}
1576EXPORT_SYMBOL(pccard_loop_tuple);
1577 1462
1578 1463
1579/*====================================================================== 1464/**
1465 * pccard_validate_cis() - check whether card has a sensible CIS
1466 * @s: the struct pcmcia_socket we are to check
1467 * @info: returns the number of tuples in the (valid) CIS, or 0
1468 *
1469 * This tries to determine if a card has a sensible CIS. In @info, it
1470 * returns the number of tuples in the CIS, or 0 if the CIS looks bad. The
1471 * checks include making sure several critical tuples are present and
1472 * valid; seeing if the total number of tuples is reasonable; and
1473 * looking for tuples that use reserved codes.
1474 *
1475 * The function returns 0 on success.
1476 */
1477int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *info)
1478{
1479 tuple_t *tuple;
1480 cisparse_t *p;
1481 unsigned int count = 0;
1482 int ret, reserved, dev_ok = 0, ident_ok = 0;
1580 1483
1581 This tries to determine if a card has a sensible CIS. It returns 1484 if (!s)
1582 the number of tuples in the CIS, or 0 if the CIS looks bad. The 1485 return -EINVAL;
1583 checks include making sure several critical tuples are present and
1584 valid; seeing if the total number of tuples is reasonable; and
1585 looking for tuples that use reserved codes.
1586 1486
1587======================================================================*/ 1487 /* We do not want to validate the CIS cache... */
1488 mutex_lock(&s->ops_mutex);
1489 destroy_cis_cache(s);
1490 mutex_unlock(&s->ops_mutex);
1588 1491
1589int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *info) 1492 tuple = kmalloc(sizeof(*tuple), GFP_KERNEL);
1590{ 1493 if (tuple == NULL) {
1591 tuple_t *tuple; 1494 dev_warn(&s->dev, "no memory to validate CIS\n");
1592 cisparse_t *p; 1495 return -ENOMEM;
1593 unsigned int count = 0; 1496 }
1594 int ret, reserved, dev_ok = 0, ident_ok = 0; 1497 p = kmalloc(sizeof(*p), GFP_KERNEL);
1595 1498 if (p == NULL) {
1596 if (!s) 1499 kfree(tuple);
1597 return -EINVAL; 1500 dev_warn(&s->dev, "no memory to validate CIS\n");
1598 1501 return -ENOMEM;
1599 tuple = kmalloc(sizeof(*tuple), GFP_KERNEL); 1502 }
1600 if (tuple == NULL) { 1503
1601 dev_printk(KERN_WARNING, &s->dev, "no memory to validate CIS\n"); 1504 count = reserved = 0;
1602 return -ENOMEM; 1505 tuple->DesiredTuple = RETURN_FIRST_TUPLE;
1603 } 1506 tuple->Attributes = TUPLE_RETURN_COMMON;
1604 p = kmalloc(sizeof(*p), GFP_KERNEL); 1507 ret = pccard_get_first_tuple(s, BIND_FN_ALL, tuple);
1605 if (p == NULL) {
1606 kfree(tuple);
1607 dev_printk(KERN_WARNING, &s->dev, "no memory to validate CIS\n");
1608 return -ENOMEM;
1609 }
1610
1611 count = reserved = 0;
1612 tuple->DesiredTuple = RETURN_FIRST_TUPLE;
1613 tuple->Attributes = TUPLE_RETURN_COMMON;
1614 ret = pccard_get_first_tuple(s, BIND_FN_ALL, tuple);
1615 if (ret != 0)
1616 goto done;
1617
1618 /* First tuple should be DEVICE; we should really have either that
1619 or a CFTABLE_ENTRY of some sort */
1620 if ((tuple->TupleCode == CISTPL_DEVICE) ||
1621 (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_CFTABLE_ENTRY, p) == 0) ||
1622 (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_CFTABLE_ENTRY_CB, p) == 0))
1623 dev_ok++;
1624
1625 /* All cards should have a MANFID tuple, and/or a VERS_1 or VERS_2
1626 tuple, for card identification. Certain old D-Link and Linksys
1627 cards have only a broken VERS_2 tuple; hence the bogus test. */
1628 if ((pccard_read_tuple(s, BIND_FN_ALL, CISTPL_MANFID, p) == 0) ||
1629 (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_VERS_1, p) == 0) ||
1630 (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_VERS_2, p) != -ENOSPC))
1631 ident_ok++;
1632
1633 if (!dev_ok && !ident_ok)
1634 goto done;
1635
1636 for (count = 1; count < MAX_TUPLES; count++) {
1637 ret = pccard_get_next_tuple(s, BIND_FN_ALL, tuple);
1638 if (ret != 0) 1508 if (ret != 0)
1639 break; 1509 goto done;
1640 if (((tuple->TupleCode > 0x23) && (tuple->TupleCode < 0x40)) || 1510
1641 ((tuple->TupleCode > 0x47) && (tuple->TupleCode < 0x80)) || 1511 /* First tuple should be DEVICE; we should really have either that
1642 ((tuple->TupleCode > 0x90) && (tuple->TupleCode < 0xff))) 1512 or a CFTABLE_ENTRY of some sort */
1643 reserved++; 1513 if ((tuple->TupleCode == CISTPL_DEVICE) ||
1644 } 1514 (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_CFTABLE_ENTRY, p)) ||
1645 if ((count == MAX_TUPLES) || (reserved > 5) || 1515 (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_CFTABLE_ENTRY_CB, p)))
1646 ((!dev_ok || !ident_ok) && (count > 10))) 1516 dev_ok++;
1647 count = 0; 1517
1518 /* All cards should have a MANFID tuple, and/or a VERS_1 or VERS_2
1519 tuple, for card identification. Certain old D-Link and Linksys
1520 cards have only a broken VERS_2 tuple; hence the bogus test. */
1521 if ((pccard_read_tuple(s, BIND_FN_ALL, CISTPL_MANFID, p) == 0) ||
1522 (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_VERS_1, p) == 0) ||
1523 (pccard_read_tuple(s, BIND_FN_ALL, CISTPL_VERS_2, p) != -ENOSPC))
1524 ident_ok++;
1525
1526 if (!dev_ok && !ident_ok)
1527 goto done;
1528
1529 for (count = 1; count < MAX_TUPLES; count++) {
1530 ret = pccard_get_next_tuple(s, BIND_FN_ALL, tuple);
1531 if (ret != 0)
1532 break;
1533 if (((tuple->TupleCode > 0x23) && (tuple->TupleCode < 0x40)) ||
1534 ((tuple->TupleCode > 0x47) && (tuple->TupleCode < 0x80)) ||
1535 ((tuple->TupleCode > 0x90) && (tuple->TupleCode < 0xff)))
1536 reserved++;
1537 }
1538 if ((count == MAX_TUPLES) || (reserved > 5) ||
1539 ((!dev_ok || !ident_ok) && (count > 10)))
1540 count = 0;
1541
1542 ret = 0;
1648 1543
1649done: 1544done:
1650 if (info) 1545 /* invalidate CIS cache on failure */
1651 *info = count; 1546 if (!dev_ok || !ident_ok || !count) {
1652 kfree(tuple); 1547 mutex_lock(&s->ops_mutex);
1653 kfree(p); 1548 destroy_cis_cache(s);
1654 return 0; 1549 mutex_unlock(&s->ops_mutex);
1550 ret = -EIO;
1551 }
1552
1553 if (info)
1554 *info = count;
1555 kfree(tuple);
1556 kfree(p);
1557 return ret;
1655} 1558}
1656EXPORT_SYMBOL(pccard_validate_cis); 1559
1560
1561#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
1562
1563static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf,
1564 loff_t off, size_t count)
1565{
1566 tuple_t tuple;
1567 int status, i;
1568 loff_t pointer = 0;
1569 ssize_t ret = 0;
1570 u_char *tuplebuffer;
1571 u_char *tempbuffer;
1572
1573 tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL);
1574 if (!tuplebuffer)
1575 return -ENOMEM;
1576
1577 tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL);
1578 if (!tempbuffer) {
1579 ret = -ENOMEM;
1580 goto free_tuple;
1581 }
1582
1583 memset(&tuple, 0, sizeof(tuple_t));
1584
1585 tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON;
1586 tuple.DesiredTuple = RETURN_FIRST_TUPLE;
1587 tuple.TupleOffset = 0;
1588
1589 status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple);
1590 while (!status) {
1591 tuple.TupleData = tuplebuffer;
1592 tuple.TupleDataMax = 255;
1593 memset(tuplebuffer, 0, sizeof(u_char) * 255);
1594
1595 status = pccard_get_tuple_data(s, &tuple);
1596 if (status)
1597 break;
1598
1599 if (off < (pointer + 2 + tuple.TupleDataLen)) {
1600 tempbuffer[0] = tuple.TupleCode & 0xff;
1601 tempbuffer[1] = tuple.TupleLink & 0xff;
1602 for (i = 0; i < tuple.TupleDataLen; i++)
1603 tempbuffer[i + 2] = tuplebuffer[i] & 0xff;
1604
1605 for (i = 0; i < (2 + tuple.TupleDataLen); i++) {
1606 if (((i + pointer) >= off) &&
1607 (i + pointer) < (off + count)) {
1608 buf[ret] = tempbuffer[i];
1609 ret++;
1610 }
1611 }
1612 }
1613
1614 pointer += 2 + tuple.TupleDataLen;
1615
1616 if (pointer >= (off + count))
1617 break;
1618
1619 if (tuple.TupleCode == CISTPL_END)
1620 break;
1621 status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple);
1622 }
1623
1624 kfree(tempbuffer);
1625 free_tuple:
1626 kfree(tuplebuffer);
1627
1628 return ret;
1629}
1630
1631
1632static ssize_t pccard_show_cis(struct kobject *kobj,
1633 struct bin_attribute *bin_attr,
1634 char *buf, loff_t off, size_t count)
1635{
1636 unsigned int size = 0x200;
1637
1638 if (off >= size)
1639 count = 0;
1640 else {
1641 struct pcmcia_socket *s;
1642 unsigned int chains;
1643
1644 if (off + count > size)
1645 count = size - off;
1646
1647 s = to_socket(container_of(kobj, struct device, kobj));
1648
1649 if (!(s->state & SOCKET_PRESENT))
1650 return -ENODEV;
1651 if (pccard_validate_cis(s, &chains))
1652 return -EIO;
1653 if (!chains)
1654 return -ENODATA;
1655
1656 count = pccard_extract_cis(s, buf, off, count);
1657 }
1658
1659 return count;
1660}
1661
1662
1663static ssize_t pccard_store_cis(struct kobject *kobj,
1664 struct bin_attribute *bin_attr,
1665 char *buf, loff_t off, size_t count)
1666{
1667 struct pcmcia_socket *s;
1668 int error;
1669
1670 s = to_socket(container_of(kobj, struct device, kobj));
1671
1672 if (off)
1673 return -EINVAL;
1674
1675 if (count >= CISTPL_MAX_CIS_SIZE)
1676 return -EINVAL;
1677
1678 if (!(s->state & SOCKET_PRESENT))
1679 return -ENODEV;
1680
1681 error = pcmcia_replace_cis(s, buf, count);
1682 if (error)
1683 return -EIO;
1684
1685 pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
1686
1687 return count;
1688}
1689
1690
1691struct bin_attribute pccard_cis_attr = {
1692 .attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR },
1693 .size = 0x200,
1694 .read = pccard_show_cis,
1695 .write = pccard_store_cis,
1696};
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 6d6f82b38a68..e679e708db63 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -140,19 +140,13 @@ struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt)
140 struct device *dev = get_device(&skt->dev); 140 struct device *dev = get_device(&skt->dev);
141 if (!dev) 141 if (!dev)
142 return NULL; 142 return NULL;
143 skt = dev_get_drvdata(dev); 143 return dev_get_drvdata(dev);
144 if (!try_module_get(skt->owner)) {
145 put_device(&skt->dev);
146 return NULL;
147 }
148 return skt;
149} 144}
150EXPORT_SYMBOL(pcmcia_get_socket); 145EXPORT_SYMBOL(pcmcia_get_socket);
151 146
152 147
153void pcmcia_put_socket(struct pcmcia_socket *skt) 148void pcmcia_put_socket(struct pcmcia_socket *skt)
154{ 149{
155 module_put(skt->owner);
156 put_device(&skt->dev); 150 put_device(&skt->dev);
157} 151}
158EXPORT_SYMBOL(pcmcia_put_socket); 152EXPORT_SYMBOL(pcmcia_put_socket);
@@ -181,8 +175,6 @@ int pcmcia_register_socket(struct pcmcia_socket *socket)
181 175
182 dev_dbg(&socket->dev, "pcmcia_register_socket(0x%p)\n", socket->ops); 176 dev_dbg(&socket->dev, "pcmcia_register_socket(0x%p)\n", socket->ops);
183 177
184 spin_lock_init(&socket->lock);
185
186 /* try to obtain a socket number [yes, it gets ugly if we 178 /* try to obtain a socket number [yes, it gets ugly if we
187 * register more than 2^sizeof(unsigned int) pcmcia 179 * register more than 2^sizeof(unsigned int) pcmcia
188 * sockets... but the socket number is deprecated 180 * sockets... but the socket number is deprecated
@@ -228,10 +220,13 @@ int pcmcia_register_socket(struct pcmcia_socket *socket)
228 init_completion(&socket->socket_released); 220 init_completion(&socket->socket_released);
229 init_completion(&socket->thread_done); 221 init_completion(&socket->thread_done);
230 mutex_init(&socket->skt_mutex); 222 mutex_init(&socket->skt_mutex);
223 mutex_init(&socket->ops_mutex);
231 spin_lock_init(&socket->thread_lock); 224 spin_lock_init(&socket->thread_lock);
232 225
233 if (socket->resource_ops->init) { 226 if (socket->resource_ops->init) {
227 mutex_lock(&socket->ops_mutex);
234 ret = socket->resource_ops->init(socket); 228 ret = socket->resource_ops->init(socket);
229 mutex_unlock(&socket->ops_mutex);
235 if (ret) 230 if (ret)
236 goto err; 231 goto err;
237 } 232 }
@@ -283,15 +278,17 @@ void pcmcia_unregister_socket(struct pcmcia_socket *socket)
283 if (socket->thread) 278 if (socket->thread)
284 kthread_stop(socket->thread); 279 kthread_stop(socket->thread);
285 280
286 release_cis_mem(socket);
287
288 /* remove from our own list */ 281 /* remove from our own list */
289 down_write(&pcmcia_socket_list_rwsem); 282 down_write(&pcmcia_socket_list_rwsem);
290 list_del(&socket->socket_list); 283 list_del(&socket->socket_list);
291 up_write(&pcmcia_socket_list_rwsem); 284 up_write(&pcmcia_socket_list_rwsem);
292 285
293 /* wait for sysfs to drop all references */ 286 /* wait for sysfs to drop all references */
294 release_resource_db(socket); 287 if (socket->resource_ops->exit) {
288 mutex_lock(&socket->ops_mutex);
289 socket->resource_ops->exit(socket);
290 mutex_unlock(&socket->ops_mutex);
291 }
295 wait_for_completion(&socket->socket_released); 292 wait_for_completion(&socket->socket_released);
296} /* pcmcia_unregister_socket */ 293} /* pcmcia_unregister_socket */
297EXPORT_SYMBOL(pcmcia_unregister_socket); 294EXPORT_SYMBOL(pcmcia_unregister_socket);
@@ -328,7 +325,7 @@ static int send_event(struct pcmcia_socket *s, event_t event, int priority)
328{ 325{
329 int ret; 326 int ret;
330 327
331 if (s->state & SOCKET_CARDBUS) 328 if ((s->state & SOCKET_CARDBUS) && (event != CS_EVENT_CARD_REMOVAL))
332 return 0; 329 return 0;
333 330
334 dev_dbg(&s->dev, "send_event(event %d, pri %d, callback 0x%p)\n", 331 dev_dbg(&s->dev, "send_event(event %d, pri %d, callback 0x%p)\n",
@@ -346,13 +343,6 @@ static int send_event(struct pcmcia_socket *s, event_t event, int priority)
346 return ret; 343 return ret;
347} 344}
348 345
349static void socket_remove_drivers(struct pcmcia_socket *skt)
350{
351 dev_dbg(&skt->dev, "remove_drivers\n");
352
353 send_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
354}
355
356static int socket_reset(struct pcmcia_socket *skt) 346static int socket_reset(struct pcmcia_socket *skt)
357{ 347{
358 int status, i; 348 int status, i;
@@ -395,7 +385,9 @@ static void socket_shutdown(struct pcmcia_socket *s)
395 385
396 dev_dbg(&s->dev, "shutdown\n"); 386 dev_dbg(&s->dev, "shutdown\n");
397 387
398 socket_remove_drivers(s); 388 send_event(s, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
389
390 mutex_lock(&s->ops_mutex);
399 s->state &= SOCKET_INUSE | SOCKET_PRESENT; 391 s->state &= SOCKET_INUSE | SOCKET_PRESENT;
400 msleep(shutdown_delay * 10); 392 msleep(shutdown_delay * 10);
401 s->state &= SOCKET_INUSE; 393 s->state &= SOCKET_INUSE;
@@ -406,11 +398,21 @@ static void socket_shutdown(struct pcmcia_socket *s)
406 s->ops->set_socket(s, &s->socket); 398 s->ops->set_socket(s, &s->socket);
407 s->irq.AssignedIRQ = s->irq.Config = 0; 399 s->irq.AssignedIRQ = s->irq.Config = 0;
408 s->lock_count = 0; 400 s->lock_count = 0;
409 destroy_cis_cache(s); 401 kfree(s->fake_cis);
402 s->fake_cis = NULL;
403 s->functions = 0;
404
405 /* From here on we can be sure that only we (that is, the
406 * pccardd thread) accesses this socket, and all (16-bit)
407 * PCMCIA interactions are gone. Therefore, release
408 * ops_mutex so that we don't get a sysfs-related lockdep
409 * warning.
410 */
411 mutex_unlock(&s->ops_mutex);
412
410#ifdef CONFIG_CARDBUS 413#ifdef CONFIG_CARDBUS
411 cb_free(s); 414 cb_free(s);
412#endif 415#endif
413 s->functions = 0;
414 416
415 /* give socket some time to power down */ 417 /* give socket some time to power down */
416 msleep(100); 418 msleep(100);
@@ -421,7 +423,7 @@ static void socket_shutdown(struct pcmcia_socket *s)
421 "*** DANGER *** unable to remove socket power\n"); 423 "*** DANGER *** unable to remove socket power\n");
422 } 424 }
423 425
424 cs_socket_put(s); 426 s->state &= ~SOCKET_INUSE;
425} 427}
426 428
427static int socket_setup(struct pcmcia_socket *skt, int initial_delay) 429static int socket_setup(struct pcmcia_socket *skt, int initial_delay)
@@ -460,7 +462,8 @@ static int socket_setup(struct pcmcia_socket *skt, int initial_delay)
460 return -EINVAL; 462 return -EINVAL;
461 } 463 }
462 skt->state |= SOCKET_CARDBUS; 464 skt->state |= SOCKET_CARDBUS;
463 } 465 } else
466 skt->state &= ~SOCKET_CARDBUS;
464 467
465 /* 468 /*
466 * Decode the card voltage requirements, and apply power to the card. 469 * Decode the card voltage requirements, and apply power to the card.
@@ -509,8 +512,12 @@ static int socket_insert(struct pcmcia_socket *skt)
509 512
510 dev_dbg(&skt->dev, "insert\n"); 513 dev_dbg(&skt->dev, "insert\n");
511 514
512 if (!cs_socket_get(skt)) 515 mutex_lock(&skt->ops_mutex);
513 return -ENODEV; 516 if (skt->state & SOCKET_INUSE) {
517 mutex_unlock(&skt->ops_mutex);
518 return -EINVAL;
519 }
520 skt->state |= SOCKET_INUSE;
514 521
515 ret = socket_setup(skt, setup_delay); 522 ret = socket_setup(skt, setup_delay);
516 if (ret == 0) { 523 if (ret == 0) {
@@ -528,9 +535,11 @@ static int socket_insert(struct pcmcia_socket *skt)
528 } 535 }
529#endif 536#endif
530 dev_dbg(&skt->dev, "insert done\n"); 537 dev_dbg(&skt->dev, "insert done\n");
538 mutex_unlock(&skt->ops_mutex);
531 539
532 send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW); 540 send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
533 } else { 541 } else {
542 mutex_unlock(&skt->ops_mutex);
534 socket_shutdown(skt); 543 socket_shutdown(skt);
535 } 544 }
536 545
@@ -542,58 +551,66 @@ static int socket_suspend(struct pcmcia_socket *skt)
542 if (skt->state & SOCKET_SUSPEND) 551 if (skt->state & SOCKET_SUSPEND)
543 return -EBUSY; 552 return -EBUSY;
544 553
554 mutex_lock(&skt->ops_mutex);
555 skt->suspended_state = skt->state;
556
545 send_event(skt, CS_EVENT_PM_SUSPEND, CS_EVENT_PRI_LOW); 557 send_event(skt, CS_EVENT_PM_SUSPEND, CS_EVENT_PRI_LOW);
546 skt->socket = dead_socket; 558 skt->socket = dead_socket;
547 skt->ops->set_socket(skt, &skt->socket); 559 skt->ops->set_socket(skt, &skt->socket);
548 if (skt->ops->suspend) 560 if (skt->ops->suspend)
549 skt->ops->suspend(skt); 561 skt->ops->suspend(skt);
550 skt->state |= SOCKET_SUSPEND; 562 skt->state |= SOCKET_SUSPEND;
551 563 mutex_unlock(&skt->ops_mutex);
552 return 0; 564 return 0;
553} 565}
554 566
555static int socket_early_resume(struct pcmcia_socket *skt) 567static int socket_early_resume(struct pcmcia_socket *skt)
556{ 568{
569 mutex_lock(&skt->ops_mutex);
557 skt->socket = dead_socket; 570 skt->socket = dead_socket;
558 skt->ops->init(skt); 571 skt->ops->init(skt);
559 skt->ops->set_socket(skt, &skt->socket); 572 skt->ops->set_socket(skt, &skt->socket);
560 if (skt->state & SOCKET_PRESENT) 573 if (skt->state & SOCKET_PRESENT)
561 skt->resume_status = socket_setup(skt, resume_delay); 574 skt->resume_status = socket_setup(skt, resume_delay);
575 mutex_unlock(&skt->ops_mutex);
562 return 0; 576 return 0;
563} 577}
564 578
565static int socket_late_resume(struct pcmcia_socket *skt) 579static int socket_late_resume(struct pcmcia_socket *skt)
566{ 580{
567 if (!(skt->state & SOCKET_PRESENT)) { 581 mutex_lock(&skt->ops_mutex);
568 skt->state &= ~SOCKET_SUSPEND; 582 skt->state &= ~SOCKET_SUSPEND;
583 mutex_unlock(&skt->ops_mutex);
584
585 if (!(skt->state & SOCKET_PRESENT))
569 return socket_insert(skt); 586 return socket_insert(skt);
587
588 if (skt->resume_status) {
589 socket_shutdown(skt);
590 return 0;
570 } 591 }
571 592
572 if (skt->resume_status == 0) { 593 if (skt->suspended_state != skt->state) {
573 /* 594 dev_dbg(&skt->dev,
574 * FIXME: need a better check here for cardbus cards. 595 "suspend state 0x%x != resume state 0x%x\n",
575 */ 596 skt->suspended_state, skt->state);
576 if (verify_cis_cache(skt) != 0) { 597
577 dev_dbg(&skt->dev, "cis mismatch - different card\n");
578 socket_remove_drivers(skt);
579 destroy_cis_cache(skt);
580 /*
581 * Workaround: give DS time to schedule removal.
582 * Remove me once the 100ms delay is eliminated
583 * in ds.c
584 */
585 msleep(200);
586 send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
587 } else {
588 dev_dbg(&skt->dev, "cis matches cache\n");
589 send_event(skt, CS_EVENT_PM_RESUME, CS_EVENT_PRI_LOW);
590 }
591 } else {
592 socket_shutdown(skt); 598 socket_shutdown(skt);
599 return socket_insert(skt);
593 } 600 }
594 601
595 skt->state &= ~SOCKET_SUSPEND; 602#ifdef CONFIG_CARDBUS
603 if (skt->state & SOCKET_CARDBUS) {
604 /* We can't be sure the CardBus card is the same
605 * as the one previously inserted. Therefore, remove
606 * and re-add... */
607 cb_free(skt);
608 cb_alloc(skt);
609 return 0;
610 }
611#endif
596 612
613 send_event(skt, CS_EVENT_PM_RESUME, CS_EVENT_PRI_LOW);
597 return 0; 614 return 0;
598} 615}
599 616
@@ -672,20 +689,26 @@ static int pccardd(void *__skt)
672 689
673 complete(&skt->thread_done); 690 complete(&skt->thread_done);
674 691
692 /* wait for userspace to catch up */
693 msleep(250);
694
675 set_freezable(); 695 set_freezable();
676 for (;;) { 696 for (;;) {
677 unsigned long flags; 697 unsigned long flags;
678 unsigned int events; 698 unsigned int events;
699 unsigned int sysfs_events;
679 700
680 set_current_state(TASK_INTERRUPTIBLE); 701 set_current_state(TASK_INTERRUPTIBLE);
681 702
682 spin_lock_irqsave(&skt->thread_lock, flags); 703 spin_lock_irqsave(&skt->thread_lock, flags);
683 events = skt->thread_events; 704 events = skt->thread_events;
684 skt->thread_events = 0; 705 skt->thread_events = 0;
706 sysfs_events = skt->sysfs_events;
707 skt->sysfs_events = 0;
685 spin_unlock_irqrestore(&skt->thread_lock, flags); 708 spin_unlock_irqrestore(&skt->thread_lock, flags);
686 709
710 mutex_lock(&skt->skt_mutex);
687 if (events) { 711 if (events) {
688 mutex_lock(&skt->skt_mutex);
689 if (events & SS_DETECT) 712 if (events & SS_DETECT)
690 socket_detect_change(skt); 713 socket_detect_change(skt);
691 if (events & SS_BATDEAD) 714 if (events & SS_BATDEAD)
@@ -694,10 +717,39 @@ static int pccardd(void *__skt)
694 send_event(skt, CS_EVENT_BATTERY_LOW, CS_EVENT_PRI_LOW); 717 send_event(skt, CS_EVENT_BATTERY_LOW, CS_EVENT_PRI_LOW);
695 if (events & SS_READY) 718 if (events & SS_READY)
696 send_event(skt, CS_EVENT_READY_CHANGE, CS_EVENT_PRI_LOW); 719 send_event(skt, CS_EVENT_READY_CHANGE, CS_EVENT_PRI_LOW);
697 mutex_unlock(&skt->skt_mutex);
698 continue;
699 } 720 }
700 721
722 if (sysfs_events) {
723 if (sysfs_events & PCMCIA_UEVENT_EJECT)
724 socket_remove(skt);
725 if (sysfs_events & PCMCIA_UEVENT_INSERT)
726 socket_insert(skt);
727 if ((sysfs_events & PCMCIA_UEVENT_RESUME) &&
728 !(skt->state & SOCKET_CARDBUS)) {
729 ret = socket_resume(skt);
730 if (!ret && skt->callback)
731 skt->callback->resume(skt);
732 }
733 if ((sysfs_events & PCMCIA_UEVENT_SUSPEND) &&
734 !(skt->state & SOCKET_CARDBUS)) {
735 if (skt->callback)
736 ret = skt->callback->suspend(skt);
737 else
738 ret = 0;
739 if (!ret)
740 socket_suspend(skt);
741 }
742 if ((sysfs_events & PCMCIA_UEVENT_REQUERY) &&
743 !(skt->state & SOCKET_CARDBUS)) {
744 if (!ret && skt->callback)
745 skt->callback->requery(skt);
746 }
747 }
748 mutex_unlock(&skt->skt_mutex);
749
750 if (events || sysfs_events)
751 continue;
752
701 if (kthread_should_stop()) 753 if (kthread_should_stop())
702 break; 754 break;
703 755
@@ -707,6 +759,13 @@ static int pccardd(void *__skt)
707 /* make sure we are running before we exit */ 759 /* make sure we are running before we exit */
708 set_current_state(TASK_RUNNING); 760 set_current_state(TASK_RUNNING);
709 761
762 /* shut down socket, if a device is still present */
763 if (skt->state & SOCKET_PRESENT) {
764 mutex_lock(&skt->skt_mutex);
765 socket_remove(skt);
766 mutex_unlock(&skt->skt_mutex);
767 }
768
710 /* remove from the device core */ 769 /* remove from the device core */
711 pccard_sysfs_remove_socket(&skt->dev); 770 pccard_sysfs_remove_socket(&skt->dev);
712 device_unregister(&skt->dev); 771 device_unregister(&skt->dev);
@@ -732,6 +791,31 @@ void pcmcia_parse_events(struct pcmcia_socket *s, u_int events)
732} /* pcmcia_parse_events */ 791} /* pcmcia_parse_events */
733EXPORT_SYMBOL(pcmcia_parse_events); 792EXPORT_SYMBOL(pcmcia_parse_events);
734 793
794/**
795 * pcmcia_parse_uevents() - tell pccardd to issue manual commands
796 * @s: the PCMCIA socket we wan't to command
797 * @events: events to pass to pccardd
798 *
799 * userspace-issued insert, eject, suspend and resume commands must be
800 * handled by pccardd to avoid any sysfs-related deadlocks. Valid events
801 * are PCMCIA_UEVENT_EJECT (for eject), PCMCIA_UEVENT__INSERT (for insert),
802 * PCMCIA_UEVENT_RESUME (for resume), PCMCIA_UEVENT_SUSPEND (for suspend)
803 * and PCMCIA_UEVENT_REQUERY (for re-querying the PCMCIA card).
804 */
805void pcmcia_parse_uevents(struct pcmcia_socket *s, u_int events)
806{
807 unsigned long flags;
808 dev_dbg(&s->dev, "parse_uevents: events %08x\n", events);
809 if (s->thread) {
810 spin_lock_irqsave(&s->thread_lock, flags);
811 s->sysfs_events |= events;
812 spin_unlock_irqrestore(&s->thread_lock, flags);
813
814 wake_up_process(s->thread);
815 }
816}
817EXPORT_SYMBOL(pcmcia_parse_uevents);
818
735 819
736/* register pcmcia_callback */ 820/* register pcmcia_callback */
737int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c) 821int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c)
@@ -796,7 +880,10 @@ int pcmcia_reset_card(struct pcmcia_socket *skt)
796 send_event(skt, CS_EVENT_RESET_PHYSICAL, CS_EVENT_PRI_LOW); 880 send_event(skt, CS_EVENT_RESET_PHYSICAL, CS_EVENT_PRI_LOW);
797 if (skt->callback) 881 if (skt->callback)
798 skt->callback->suspend(skt); 882 skt->callback->suspend(skt);
799 if (socket_reset(skt) == 0) { 883 mutex_lock(&skt->ops_mutex);
884 ret = socket_reset(skt);
885 mutex_unlock(&skt->ops_mutex);
886 if (ret == 0) {
800 send_event(skt, CS_EVENT_CARD_RESET, CS_EVENT_PRI_LOW); 887 send_event(skt, CS_EVENT_CARD_RESET, CS_EVENT_PRI_LOW);
801 if (skt->callback) 888 if (skt->callback)
802 skt->callback->resume(skt); 889 skt->callback->resume(skt);
@@ -812,121 +899,6 @@ int pcmcia_reset_card(struct pcmcia_socket *skt)
812EXPORT_SYMBOL(pcmcia_reset_card); 899EXPORT_SYMBOL(pcmcia_reset_card);
813 900
814 901
815/* These shut down or wake up a socket. They are sort of user
816 * initiated versions of the APM suspend and resume actions.
817 */
818int pcmcia_suspend_card(struct pcmcia_socket *skt)
819{
820 int ret;
821
822 dev_dbg(&skt->dev, "suspending socket\n");
823
824 mutex_lock(&skt->skt_mutex);
825 do {
826 if (!(skt->state & SOCKET_PRESENT)) {
827 ret = -ENODEV;
828 break;
829 }
830 if (skt->state & SOCKET_CARDBUS) {
831 ret = -EPERM;
832 break;
833 }
834 if (skt->callback) {
835 ret = skt->callback->suspend(skt);
836 if (ret)
837 break;
838 }
839 ret = socket_suspend(skt);
840 } while (0);
841 mutex_unlock(&skt->skt_mutex);
842
843 return ret;
844} /* suspend_card */
845EXPORT_SYMBOL(pcmcia_suspend_card);
846
847
848int pcmcia_resume_card(struct pcmcia_socket *skt)
849{
850 int ret;
851
852 dev_dbg(&skt->dev, "waking up socket\n");
853
854 mutex_lock(&skt->skt_mutex);
855 do {
856 if (!(skt->state & SOCKET_PRESENT)) {
857 ret = -ENODEV;
858 break;
859 }
860 if (skt->state & SOCKET_CARDBUS) {
861 ret = -EPERM;
862 break;
863 }
864 ret = socket_resume(skt);
865 if (!ret && skt->callback)
866 skt->callback->resume(skt);
867 } while (0);
868 mutex_unlock(&skt->skt_mutex);
869
870 return ret;
871} /* resume_card */
872EXPORT_SYMBOL(pcmcia_resume_card);
873
874
875/* These handle user requests to eject or insert a card. */
876int pcmcia_eject_card(struct pcmcia_socket *skt)
877{
878 int ret;
879
880 dev_dbg(&skt->dev, "user eject request\n");
881
882 mutex_lock(&skt->skt_mutex);
883 do {
884 if (!(skt->state & SOCKET_PRESENT)) {
885 ret = -ENODEV;
886 break;
887 }
888
889 ret = send_event(skt, CS_EVENT_EJECTION_REQUEST, CS_EVENT_PRI_LOW);
890 if (ret != 0) {
891 ret = -EINVAL;
892 break;
893 }
894
895 socket_remove(skt);
896 ret = 0;
897 } while (0);
898 mutex_unlock(&skt->skt_mutex);
899
900 return ret;
901} /* eject_card */
902EXPORT_SYMBOL(pcmcia_eject_card);
903
904
905int pcmcia_insert_card(struct pcmcia_socket *skt)
906{
907 int ret;
908
909 dev_dbg(&skt->dev, "user insert request\n");
910
911 mutex_lock(&skt->skt_mutex);
912 do {
913 if (skt->state & SOCKET_PRESENT) {
914 ret = -EBUSY;
915 break;
916 }
917 if (socket_insert(skt) == -ENODEV) {
918 ret = -ENODEV;
919 break;
920 }
921 ret = 0;
922 } while (0);
923 mutex_unlock(&skt->skt_mutex);
924
925 return ret;
926} /* insert_card */
927EXPORT_SYMBOL(pcmcia_insert_card);
928
929
930static int pcmcia_socket_uevent(struct device *dev, 902static int pcmcia_socket_uevent(struct device *dev,
931 struct kobj_uevent_env *env) 903 struct kobj_uevent_env *env)
932{ 904{
diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h
index 3bc02d53a3a3..f95864c2191e 100644
--- a/drivers/pcmcia/cs_internal.h
+++ b/drivers/pcmcia/cs_internal.h
@@ -87,37 +87,11 @@ struct pccard_resource_ops {
87#define SOCKET_CARDBUS 0x8000 87#define SOCKET_CARDBUS 0x8000
88#define SOCKET_CARDBUS_CONFIG 0x10000 88#define SOCKET_CARDBUS_CONFIG 0x10000
89 89
90static inline int cs_socket_get(struct pcmcia_socket *skt)
91{
92 int ret;
93
94 WARN_ON(skt->state & SOCKET_INUSE);
95
96 ret = try_module_get(skt->owner);
97 if (ret)
98 skt->state |= SOCKET_INUSE;
99 return ret;
100}
101
102static inline void cs_socket_put(struct pcmcia_socket *skt)
103{
104 if (skt->state & SOCKET_INUSE) {
105 skt->state &= ~SOCKET_INUSE;
106 module_put(skt->owner);
107 }
108}
109
110 90
111/* 91/*
112 * Stuff internal to module "pcmcia_core": 92 * Stuff internal to module "pcmcia_core":
113 */ 93 */
114 94
115/* cistpl.c */
116int verify_cis_cache(struct pcmcia_socket *s);
117
118/* rsrc_mgr.c */
119void release_resource_db(struct pcmcia_socket *s);
120
121/* socket_sysfs.c */ 95/* socket_sysfs.c */
122extern int pccard_sysfs_add_socket(struct device *dev); 96extern int pccard_sysfs_add_socket(struct device *dev);
123extern void pccard_sysfs_remove_socket(struct device *dev); 97extern void pccard_sysfs_remove_socket(struct device *dev);
@@ -125,8 +99,6 @@ extern void pccard_sysfs_remove_socket(struct device *dev);
125/* cardbus.c */ 99/* cardbus.c */
126int cb_alloc(struct pcmcia_socket *s); 100int cb_alloc(struct pcmcia_socket *s);
127void cb_free(struct pcmcia_socket *s); 101void cb_free(struct pcmcia_socket *s);
128int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len,
129 void *ptr);
130 102
131 103
132 104
@@ -138,7 +110,8 @@ struct pcmcia_callback{
138 struct module *owner; 110 struct module *owner;
139 int (*event) (struct pcmcia_socket *s, 111 int (*event) (struct pcmcia_socket *s,
140 event_t event, int priority); 112 event_t event, int priority);
141 void (*requery) (struct pcmcia_socket *s, int new_cis); 113 void (*requery) (struct pcmcia_socket *s);
114 int (*validate) (struct pcmcia_socket *s, unsigned int *i);
142 int (*suspend) (struct pcmcia_socket *s); 115 int (*suspend) (struct pcmcia_socket *s);
143 int (*resume) (struct pcmcia_socket *s); 116 int (*resume) (struct pcmcia_socket *s);
144}; 117};
@@ -151,16 +124,35 @@ extern struct class pcmcia_socket_class;
151int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 124int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);
152struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); 125struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr);
153 126
154int pcmcia_suspend_card(struct pcmcia_socket *skt); 127void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events);
155int pcmcia_resume_card(struct pcmcia_socket *skt); 128#define PCMCIA_UEVENT_EJECT 0x0001
156 129#define PCMCIA_UEVENT_INSERT 0x0002
157int pcmcia_eject_card(struct pcmcia_socket *skt); 130#define PCMCIA_UEVENT_SUSPEND 0x0004
158int pcmcia_insert_card(struct pcmcia_socket *skt); 131#define PCMCIA_UEVENT_RESUME 0x0008
132#define PCMCIA_UEVENT_REQUERY 0x0010
159 133
160struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); 134struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt);
161void pcmcia_put_socket(struct pcmcia_socket *skt); 135void pcmcia_put_socket(struct pcmcia_socket *skt);
162 136
137/*
138 * Stuff internal to module "pcmcia".
139 */
140/* ds.c */
141extern struct bus_type pcmcia_bus_type;
142
143/* pcmcia_resource.c */
144extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);
145extern int pcmcia_validate_mem(struct pcmcia_socket *s);
146extern struct resource *pcmcia_find_mem_region(u_long base,
147 u_long num,
148 u_long align,
149 int low,
150 struct pcmcia_socket *s);
151
152
163/* cistpl.c */ 153/* cistpl.c */
154extern struct bin_attribute pccard_cis_attr;
155
164int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 156int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
165 u_int addr, u_int len, void *ptr); 157 u_int addr, u_int len, void *ptr);
166void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 158void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
@@ -172,8 +164,8 @@ int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
172int pcmcia_replace_cis(struct pcmcia_socket *s, 164int pcmcia_replace_cis(struct pcmcia_socket *s,
173 const u8 *data, const size_t len); 165 const u8 *data, const size_t len);
174int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); 166int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count);
167int verify_cis_cache(struct pcmcia_socket *s);
175 168
176/* loop over CIS entries */
177int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, 169int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function,
178 cisdata_t code, cisparse_t *parse, void *priv_data, 170 cisdata_t code, cisparse_t *parse, void *priv_data,
179 int (*loop_tuple) (tuple_t *tuple, 171 int (*loop_tuple) (tuple_t *tuple,
@@ -189,35 +181,8 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
189int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); 181int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple);
190 182
191 183
192/* rsrc_mgr.c */
193int pcmcia_validate_mem(struct pcmcia_socket *s);
194struct resource *pcmcia_find_io_region(unsigned long base,
195 int num,
196 unsigned long align,
197 struct pcmcia_socket *s);
198int pcmcia_adjust_io_region(struct resource *res,
199 unsigned long r_start,
200 unsigned long r_end,
201 struct pcmcia_socket *s);
202struct resource *pcmcia_find_mem_region(u_long base,
203 u_long num,
204 u_long align,
205 int low,
206 struct pcmcia_socket *s);
207
208/*
209 * Stuff internal to module "pcmcia".
210 */
211/* ds.c */
212extern struct bus_type pcmcia_bus_type;
213
214/* pcmcia_resource.c */
215extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);
216
217#ifdef CONFIG_PCMCIA_IOCTL 184#ifdef CONFIG_PCMCIA_IOCTL
218/* ds.c */ 185/* ds.c */
219extern spinlock_t pcmcia_dev_list_lock;
220
221extern struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev); 186extern struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev);
222extern void pcmcia_put_dev(struct pcmcia_device *p_dev); 187extern void pcmcia_put_dev(struct pcmcia_device *p_dev);
223 188
diff --git a/drivers/pcmcia/db1xxx_ss.c b/drivers/pcmcia/db1xxx_ss.c
new file mode 100644
index 000000000000..9254ab0b29b1
--- /dev/null
+++ b/drivers/pcmcia/db1xxx_ss.c
@@ -0,0 +1,612 @@
1/*
2 * PCMCIA socket code for the Alchemy Db1xxx/Pb1xxx boards.
3 *
4 * Copyright (c) 2009 Manuel Lauss <manuel.lauss@gmail.com>
5 *
6 */
7
8/* This is a fairly generic PCMCIA socket driver suitable for the
9 * following Alchemy Development boards:
10 * Db1000, Db/Pb1500, Db/Pb1100, Db/Pb1550, Db/Pb1200.
11 *
12 * The Db1000 is used as a reference: Per-socket card-, carddetect- and
13 * statuschange IRQs connected to SoC GPIOs, control and status register
14 * bits arranged in per-socket groups in an external PLD. All boards
15 * listed here use this layout, including bit positions and meanings.
16 * Of course there are exceptions in later boards:
17 *
18 * - Pb1100/Pb1500: single socket only; voltage key bits VS are
19 * at STATUS[5:4] (instead of STATUS[1:0]).
20 * - Au1200-based: additional card-eject irqs, irqs not gpios!
21 */
22
23#include <linux/delay.h>
24#include <linux/gpio.h>
25#include <linux/interrupt.h>
26#include <linux/pm.h>
27#include <linux/platform_device.h>
28#include <linux/resource.h>
29#include <linux/spinlock.h>
30
31#include <pcmcia/cs_types.h>
32#include <pcmcia/ss.h>
33
34#include <asm/mach-au1x00/au1000.h>
35#include <asm/mach-db1x00/bcsr.h>
36
37#define MEM_MAP_SIZE 0x400000
38#define IO_MAP_SIZE 0x1000
39
40struct db1x_pcmcia_sock {
41 struct pcmcia_socket socket;
42 int nr; /* socket number */
43 void *virt_io;
44
45 phys_addr_t phys_io;
46 phys_addr_t phys_attr;
47 phys_addr_t phys_mem;
48
49 /* previous flags for set_socket() */
50 unsigned int old_flags;
51
52 /* interrupt sources: linux irq numbers! */
53 int insert_irq; /* default carddetect irq */
54 int stschg_irq; /* card-status-change irq */
55 int card_irq; /* card irq */
56 int eject_irq; /* db1200/pb1200 have these */
57
58#define BOARD_TYPE_DEFAULT 0 /* most boards */
59#define BOARD_TYPE_DB1200 1 /* IRQs aren't gpios */
60#define BOARD_TYPE_PB1100 2 /* VS bits slightly different */
61 int board_type;
62};
63
64#define to_db1x_socket(x) container_of(x, struct db1x_pcmcia_sock, socket)
65
66/* DB/PB1200: check CPLD SIGSTATUS register bit 10/12 */
67static int db1200_card_inserted(struct db1x_pcmcia_sock *sock)
68{
69 unsigned short sigstat;
70
71 sigstat = bcsr_read(BCSR_SIGSTAT);
72 return sigstat & 1 << (8 + 2 * sock->nr);
73}
74
75/* carddetect gpio: low-active */
76static int db1000_card_inserted(struct db1x_pcmcia_sock *sock)
77{
78 return !gpio_get_value(irq_to_gpio(sock->insert_irq));
79}
80
81static int db1x_card_inserted(struct db1x_pcmcia_sock *sock)
82{
83 switch (sock->board_type) {
84 case BOARD_TYPE_DB1200:
85 return db1200_card_inserted(sock);
86 default:
87 return db1000_card_inserted(sock);
88 }
89}
90
91/* STSCHG tends to bounce heavily when cards are inserted/ejected.
92 * To avoid this, the interrupt is normally disabled and only enabled
93 * after reset to a card has been de-asserted.
94 */
95static inline void set_stschg(struct db1x_pcmcia_sock *sock, int en)
96{
97 if (sock->stschg_irq != -1) {
98 if (en)
99 enable_irq(sock->stschg_irq);
100 else
101 disable_irq(sock->stschg_irq);
102 }
103}
104
105static irqreturn_t db1000_pcmcia_cdirq(int irq, void *data)
106{
107 struct db1x_pcmcia_sock *sock = data;
108
109 pcmcia_parse_events(&sock->socket, SS_DETECT);
110
111 return IRQ_HANDLED;
112}
113
114static irqreturn_t db1000_pcmcia_stschgirq(int irq, void *data)
115{
116 struct db1x_pcmcia_sock *sock = data;
117
118 pcmcia_parse_events(&sock->socket, SS_STSCHG);
119
120 return IRQ_HANDLED;
121}
122
123static irqreturn_t db1200_pcmcia_cdirq(int irq, void *data)
124{
125 struct db1x_pcmcia_sock *sock = data;
126
127 /* Db/Pb1200 have separate per-socket insertion and ejection
128 * interrupts which stay asserted as long as the card is
129 * inserted/missing. The one which caused us to be called
130 * needs to be disabled and the other one enabled.
131 */
132 if (irq == sock->insert_irq) {
133 disable_irq_nosync(sock->insert_irq);
134 enable_irq(sock->eject_irq);
135 } else {
136 disable_irq_nosync(sock->eject_irq);
137 enable_irq(sock->insert_irq);
138 }
139
140 pcmcia_parse_events(&sock->socket, SS_DETECT);
141
142 return IRQ_HANDLED;
143}
144
145static int db1x_pcmcia_setup_irqs(struct db1x_pcmcia_sock *sock)
146{
147 int ret;
148 unsigned long flags;
149
150 if (sock->stschg_irq != -1) {
151 ret = request_irq(sock->stschg_irq, db1000_pcmcia_stschgirq,
152 0, "pcmcia_stschg", sock);
153 if (ret)
154 return ret;
155 }
156
157 /* Db/Pb1200 have separate per-socket insertion and ejection
158 * interrupts, which should show edge behaviour but don't.
159 * So interrupts are disabled until both insertion and
160 * ejection handler have been registered and the currently
161 * active one disabled.
162 */
163 if (sock->board_type == BOARD_TYPE_DB1200) {
164 local_irq_save(flags);
165
166 ret = request_irq(sock->insert_irq, db1200_pcmcia_cdirq,
167 IRQF_DISABLED, "pcmcia_insert", sock);
168 if (ret)
169 goto out1;
170
171 ret = request_irq(sock->eject_irq, db1200_pcmcia_cdirq,
172 IRQF_DISABLED, "pcmcia_eject", sock);
173 if (ret) {
174 free_irq(sock->insert_irq, sock);
175 local_irq_restore(flags);
176 goto out1;
177 }
178
179 /* disable the currently active one */
180 if (db1200_card_inserted(sock))
181 disable_irq_nosync(sock->insert_irq);
182 else
183 disable_irq_nosync(sock->eject_irq);
184
185 local_irq_restore(flags);
186 } else {
187 /* all other (older) Db1x00 boards use a GPIO to show
188 * card detection status: use both-edge triggers.
189 */
190 set_irq_type(sock->insert_irq, IRQ_TYPE_EDGE_BOTH);
191 ret = request_irq(sock->insert_irq, db1000_pcmcia_cdirq,
192 0, "pcmcia_carddetect", sock);
193
194 if (ret)
195 goto out1;
196 }
197
198 return 0; /* all done */
199
200out1:
201 if (sock->stschg_irq != -1)
202 free_irq(sock->stschg_irq, sock);
203
204 return ret;
205}
206
207static void db1x_pcmcia_free_irqs(struct db1x_pcmcia_sock *sock)
208{
209 if (sock->stschg_irq != -1)
210 free_irq(sock->stschg_irq, sock);
211
212 free_irq(sock->insert_irq, sock);
213 if (sock->eject_irq != -1)
214 free_irq(sock->eject_irq, sock);
215}
216
217/*
218 * configure a PCMCIA socket on the Db1x00 series of boards (and
219 * compatibles).
220 *
221 * 2 external registers are involved:
222 * pcmcia_status (offset 0x04): bits [0:1/2:3]: read card voltage id
223 * pcmcia_control(offset 0x10):
224 * bits[0:1] set vcc for card
225 * bits[2:3] set vpp for card
226 * bit 4: enable data buffers
227 * bit 7: reset# for card
228 * add 8 for second socket.
229 */
230static int db1x_pcmcia_configure(struct pcmcia_socket *skt,
231 struct socket_state_t *state)
232{
233 struct db1x_pcmcia_sock *sock = to_db1x_socket(skt);
234 unsigned short cr_clr, cr_set;
235 unsigned int changed;
236 int v, p, ret;
237
238 /* card voltage setup */
239 cr_clr = (0xf << (sock->nr * 8)); /* clear voltage settings */
240 cr_set = 0;
241 v = p = ret = 0;
242
243 switch (state->Vcc) {
244 case 50:
245 ++v;
246 case 33:
247 ++v;
248 case 0:
249 break;
250 default:
251 printk(KERN_INFO "pcmcia%d unsupported Vcc %d\n",
252 sock->nr, state->Vcc);
253 }
254
255 switch (state->Vpp) {
256 case 12:
257 ++p;
258 case 33:
259 case 50:
260 ++p;
261 case 0:
262 break;
263 default:
264 printk(KERN_INFO "pcmcia%d unsupported Vpp %d\n",
265 sock->nr, state->Vpp);
266 }
267
268 /* sanity check: Vpp must be 0, 12, or Vcc */
269 if (((state->Vcc == 33) && (state->Vpp == 50)) ||
270 ((state->Vcc == 50) && (state->Vpp == 33))) {
271 printk(KERN_INFO "pcmcia%d bad Vcc/Vpp combo (%d %d)\n",
272 sock->nr, state->Vcc, state->Vpp);
273 v = p = 0;
274 ret = -EINVAL;
275 }
276
277 /* create new voltage code */
278 cr_set |= ((v << 2) | p) << (sock->nr * 8);
279
280 changed = state->flags ^ sock->old_flags;
281
282 if (changed & SS_RESET) {
283 if (state->flags & SS_RESET) {
284 set_stschg(sock, 0);
285 /* assert reset, disable io buffers */
286 cr_clr |= (1 << (7 + (sock->nr * 8)));
287 cr_clr |= (1 << (4 + (sock->nr * 8)));
288 } else {
289 /* de-assert reset, enable io buffers */
290 cr_set |= 1 << (7 + (sock->nr * 8));
291 cr_set |= 1 << (4 + (sock->nr * 8));
292 }
293 }
294
295 /* update PCMCIA configuration */
296 bcsr_mod(BCSR_PCMCIA, cr_clr, cr_set);
297
298 sock->old_flags = state->flags;
299
300 /* reset was taken away: give card time to initialize properly */
301 if ((changed & SS_RESET) && !(state->flags & SS_RESET)) {
302 msleep(500);
303 set_stschg(sock, 1);
304 }
305
306 return ret;
307}
308
309/* VCC bits at [3:2]/[11:10] */
310#define GET_VCC(cr, socknr) \
311 ((((cr) >> 2) >> ((socknr) * 8)) & 3)
312
313/* VS bits at [0:1]/[3:2] */
314#define GET_VS(sr, socknr) \
315 (((sr) >> (2 * (socknr))) & 3)
316
317/* reset bits at [7]/[15] */
318#define GET_RESET(cr, socknr) \
319 ((cr) & (1 << (7 + (8 * (socknr)))))
320
321static int db1x_pcmcia_get_status(struct pcmcia_socket *skt,
322 unsigned int *value)
323{
324 struct db1x_pcmcia_sock *sock = to_db1x_socket(skt);
325 unsigned short cr, sr;
326 unsigned int status;
327
328 status = db1x_card_inserted(sock) ? SS_DETECT : 0;
329
330 cr = bcsr_read(BCSR_PCMCIA);
331 sr = bcsr_read(BCSR_STATUS);
332
333 /* PB1100/PB1500: voltage key bits are at [5:4] */
334 if (sock->board_type == BOARD_TYPE_PB1100)
335 sr >>= 4;
336
337 /* determine card type */
338 switch (GET_VS(sr, sock->nr)) {
339 case 0:
340 case 2:
341 status |= SS_3VCARD; /* 3V card */
342 case 3:
343 break; /* 5V card: set nothing */
344 default:
345 status |= SS_XVCARD; /* treated as unsupported in core */
346 }
347
348 /* if Vcc is not zero, we have applied power to a card */
349 status |= GET_VCC(cr, sock->nr) ? SS_POWERON : 0;
350
351 /* reset de-asserted? then we're ready */
352 status |= (GET_RESET(cr, sock->nr)) ? SS_READY : SS_RESET;
353
354 *value = status;
355
356 return 0;
357}
358
359static int db1x_pcmcia_sock_init(struct pcmcia_socket *skt)
360{
361 return 0;
362}
363
364static int db1x_pcmcia_sock_suspend(struct pcmcia_socket *skt)
365{
366 return 0;
367}
368
369static int au1x00_pcmcia_set_io_map(struct pcmcia_socket *skt,
370 struct pccard_io_map *map)
371{
372 struct db1x_pcmcia_sock *sock = to_db1x_socket(skt);
373
374 map->start = (u32)sock->virt_io;
375 map->stop = map->start + IO_MAP_SIZE;
376
377 return 0;
378}
379
380static int au1x00_pcmcia_set_mem_map(struct pcmcia_socket *skt,
381 struct pccard_mem_map *map)
382{
383 struct db1x_pcmcia_sock *sock = to_db1x_socket(skt);
384
385 if (map->flags & MAP_ATTRIB)
386 map->static_start = sock->phys_attr + map->card_start;
387 else
388 map->static_start = sock->phys_mem + map->card_start;
389
390 return 0;
391}
392
393static struct pccard_operations db1x_pcmcia_operations = {
394 .init = db1x_pcmcia_sock_init,
395 .suspend = db1x_pcmcia_sock_suspend,
396 .get_status = db1x_pcmcia_get_status,
397 .set_socket = db1x_pcmcia_configure,
398 .set_io_map = au1x00_pcmcia_set_io_map,
399 .set_mem_map = au1x00_pcmcia_set_mem_map,
400};
401
402static int __devinit db1x_pcmcia_socket_probe(struct platform_device *pdev)
403{
404 struct db1x_pcmcia_sock *sock;
405 struct resource *r;
406 int ret, bid;
407
408 sock = kzalloc(sizeof(struct db1x_pcmcia_sock), GFP_KERNEL);
409 if (!sock)
410 return -ENOMEM;
411
412 sock->nr = pdev->id;
413
414 bid = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
415 switch (bid) {
416 case BCSR_WHOAMI_PB1500:
417 case BCSR_WHOAMI_PB1500R2:
418 case BCSR_WHOAMI_PB1100:
419 sock->board_type = BOARD_TYPE_PB1100;
420 break;
421 case BCSR_WHOAMI_DB1000 ... BCSR_WHOAMI_PB1550_SDR:
422 sock->board_type = BOARD_TYPE_DEFAULT;
423 break;
424 case BCSR_WHOAMI_PB1200 ... BCSR_WHOAMI_DB1200:
425 sock->board_type = BOARD_TYPE_DB1200;
426 break;
427 default:
428 printk(KERN_INFO "db1xxx-ss: unknown board %d!\n", bid);
429 ret = -ENODEV;
430 goto out0;
431 };
432
433 /*
434 * gather resources necessary and optional nice-to-haves to
435 * operate a socket:
436 * This includes IRQs for Carddetection/ejection, the card
437 * itself and optional status change detection.
438 * Also, the memory areas covered by a socket. For these
439 * we require the real 36bit addresses (see the au1000.h
440 * header for more information).
441 */
442
443 /* card: irq assigned to the card itself. */
444 r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "card");
445 sock->card_irq = r ? r->start : 0;
446
447 /* insert: irq which triggers on card insertion/ejection */
448 r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "insert");
449 sock->insert_irq = r ? r->start : -1;
450
451 /* stschg: irq which trigger on card status change (optional) */
452 r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "stschg");
453 sock->stschg_irq = r ? r->start : -1;
454
455 /* eject: irq which triggers on ejection (DB1200/PB1200 only) */
456 r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "eject");
457 sock->eject_irq = r ? r->start : -1;
458
459 ret = -ENODEV;
460
461 /* 36bit PCMCIA Attribute area address */
462 r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-attr");
463 if (!r) {
464 printk(KERN_ERR "pcmcia%d has no 'pseudo-attr' resource!\n",
465 sock->nr);
466 goto out0;
467 }
468 sock->phys_attr = r->start;
469
470 /* 36bit PCMCIA Memory area address */
471 r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-mem");
472 if (!r) {
473 printk(KERN_ERR "pcmcia%d has no 'pseudo-mem' resource!\n",
474 sock->nr);
475 goto out0;
476 }
477 sock->phys_mem = r->start;
478
479 /* 36bit PCMCIA IO area address */
480 r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-io");
481 if (!r) {
482 printk(KERN_ERR "pcmcia%d has no 'pseudo-io' resource!\n",
483 sock->nr);
484 goto out0;
485 }
486 sock->phys_io = r->start;
487
488 /*
489 * PCMCIA client drivers use the inb/outb macros to access
490 * the IO registers. Since mips_io_port_base is added
491 * to the access address of the mips implementation of
492 * inb/outb, we need to subtract it here because we want
493 * to access the I/O or MEM address directly, without
494 * going through this "mips_io_port_base" mechanism.
495 */
496 sock->virt_io = (void *)(ioremap(sock->phys_io, IO_MAP_SIZE) -
497 mips_io_port_base);
498
499 if (!sock->virt_io) {
500 printk(KERN_ERR "pcmcia%d: cannot remap IO area\n",
501 sock->nr);
502 ret = -ENOMEM;
503 goto out0;
504 }
505
506 sock->socket.ops = &db1x_pcmcia_operations;
507 sock->socket.owner = THIS_MODULE;
508 sock->socket.pci_irq = sock->card_irq;
509 sock->socket.features = SS_CAP_STATIC_MAP | SS_CAP_PCCARD;
510 sock->socket.map_size = MEM_MAP_SIZE;
511 sock->socket.io_offset = (unsigned long)sock->virt_io;
512 sock->socket.dev.parent = &pdev->dev;
513 sock->socket.resource_ops = &pccard_static_ops;
514
515 platform_set_drvdata(pdev, sock);
516
517 ret = db1x_pcmcia_setup_irqs(sock);
518 if (ret) {
519 printk(KERN_ERR "pcmcia%d cannot setup interrupts\n",
520 sock->nr);
521 goto out1;
522 }
523
524 set_stschg(sock, 0);
525
526 ret = pcmcia_register_socket(&sock->socket);
527 if (ret) {
528 printk(KERN_ERR "pcmcia%d failed to register\n", sock->nr);
529 goto out2;
530 }
531
532 printk(KERN_INFO "Alchemy Db/Pb1xxx pcmcia%d @ io/attr/mem %09llx"
533 "(%p) %09llx %09llx card/insert/stschg/eject irqs @ %d "
534 "%d %d %d\n", sock->nr, sock->phys_io, sock->virt_io,
535 sock->phys_attr, sock->phys_mem, sock->card_irq,
536 sock->insert_irq, sock->stschg_irq, sock->eject_irq);
537
538 return 0;
539
540out2:
541 db1x_pcmcia_free_irqs(sock);
542out1:
543 iounmap((void *)(sock->virt_io + (u32)mips_io_port_base));
544out0:
545 kfree(sock);
546 return ret;
547}
548
549static int __devexit db1x_pcmcia_socket_remove(struct platform_device *pdev)
550{
551 struct db1x_pcmcia_sock *sock = platform_get_drvdata(pdev);
552
553 db1x_pcmcia_free_irqs(sock);
554 pcmcia_unregister_socket(&sock->socket);
555 iounmap((void *)(sock->virt_io + (u32)mips_io_port_base));
556 kfree(sock);
557
558 return 0;
559}
560
561#ifdef CONFIG_PM
562static int db1x_pcmcia_suspend(struct device *dev)
563{
564 return pcmcia_socket_dev_suspend(dev);
565}
566
567static int db1x_pcmcia_resume(struct device *dev)
568{
569 return pcmcia_socket_dev_resume(dev);
570}
571
572static struct dev_pm_ops db1x_pcmcia_pmops = {
573 .resume = db1x_pcmcia_resume,
574 .suspend = db1x_pcmcia_suspend,
575 .thaw = db1x_pcmcia_resume,
576 .freeze = db1x_pcmcia_suspend,
577};
578
579#define DB1XXX_SS_PMOPS &db1x_pcmcia_pmops
580
581#else
582
583#define DB1XXX_SS_PMOPS NULL
584
585#endif
586
587static struct platform_driver db1x_pcmcia_socket_driver = {
588 .driver = {
589 .name = "db1xxx_pcmcia",
590 .owner = THIS_MODULE,
591 .pm = DB1XXX_SS_PMOPS
592 },
593 .probe = db1x_pcmcia_socket_probe,
594 .remove = __devexit_p(db1x_pcmcia_socket_remove),
595};
596
597int __init db1x_pcmcia_socket_load(void)
598{
599 return platform_driver_register(&db1x_pcmcia_socket_driver);
600}
601
602void __exit db1x_pcmcia_socket_unload(void)
603{
604 platform_driver_unregister(&db1x_pcmcia_socket_driver);
605}
606
607module_init(db1x_pcmcia_socket_load);
608module_exit(db1x_pcmcia_socket_unload);
609
610MODULE_LICENSE("GPL");
611MODULE_DESCRIPTION("PCMCIA Socket Services for Alchemy Db/Pb1x00 boards");
612MODULE_AUTHOR("Manuel Lauss");
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 1a4a3c49cc15..0f98be4450b7 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -42,8 +42,6 @@ MODULE_DESCRIPTION("PCMCIA Driver Services");
42MODULE_LICENSE("GPL"); 42MODULE_LICENSE("GPL");
43 43
44 44
45spinlock_t pcmcia_dev_list_lock;
46
47/*====================================================================*/ 45/*====================================================================*/
48 46
49static void pcmcia_check_driver(struct pcmcia_driver *p_drv) 47static void pcmcia_check_driver(struct pcmcia_driver *p_drv)
@@ -126,9 +124,9 @@ pcmcia_store_new_id(struct device_driver *driver, const char *buf, size_t count)
126 dynid->id.device_no = device_no; 124 dynid->id.device_no = device_no;
127 memcpy(dynid->id.prod_id_hash, prod_id_hash, sizeof(__u32) * 4); 125 memcpy(dynid->id.prod_id_hash, prod_id_hash, sizeof(__u32) * 4);
128 126
129 spin_lock(&pdrv->dynids.lock); 127 mutex_lock(&pdrv->dynids.lock);
130 list_add_tail(&dynid->node, &pdrv->dynids.list); 128 list_add_tail(&dynid->node, &pdrv->dynids.list);
131 spin_unlock(&pdrv->dynids.lock); 129 mutex_unlock(&pdrv->dynids.lock);
132 130
133 if (get_driver(&pdrv->drv)) { 131 if (get_driver(&pdrv->drv)) {
134 retval = driver_attach(&pdrv->drv); 132 retval = driver_attach(&pdrv->drv);
@@ -146,12 +144,12 @@ pcmcia_free_dynids(struct pcmcia_driver *drv)
146{ 144{
147 struct pcmcia_dynid *dynid, *n; 145 struct pcmcia_dynid *dynid, *n;
148 146
149 spin_lock(&drv->dynids.lock); 147 mutex_lock(&drv->dynids.lock);
150 list_for_each_entry_safe(dynid, n, &drv->dynids.list, node) { 148 list_for_each_entry_safe(dynid, n, &drv->dynids.list, node) {
151 list_del(&dynid->node); 149 list_del(&dynid->node);
152 kfree(dynid); 150 kfree(dynid);
153 } 151 }
154 spin_unlock(&drv->dynids.lock); 152 mutex_unlock(&drv->dynids.lock);
155} 153}
156 154
157static int 155static int
@@ -182,7 +180,7 @@ int pcmcia_register_driver(struct pcmcia_driver *driver)
182 /* initialize common fields */ 180 /* initialize common fields */
183 driver->drv.bus = &pcmcia_bus_type; 181 driver->drv.bus = &pcmcia_bus_type;
184 driver->drv.owner = driver->owner; 182 driver->drv.owner = driver->owner;
185 spin_lock_init(&driver->dynids.lock); 183 mutex_init(&driver->dynids.lock);
186 INIT_LIST_HEAD(&driver->dynids.list); 184 INIT_LIST_HEAD(&driver->dynids.list);
187 185
188 pr_debug("registering driver %s\n", driver->drv.name); 186 pr_debug("registering driver %s\n", driver->drv.name);
@@ -239,30 +237,21 @@ static void pcmcia_release_function(struct kref *ref)
239static void pcmcia_release_dev(struct device *dev) 237static void pcmcia_release_dev(struct device *dev)
240{ 238{
241 struct pcmcia_device *p_dev = to_pcmcia_dev(dev); 239 struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
240 int i;
242 dev_dbg(dev, "releasing device\n"); 241 dev_dbg(dev, "releasing device\n");
243 pcmcia_put_socket(p_dev->socket); 242 pcmcia_put_socket(p_dev->socket);
243 for (i = 0; i < 4; i++)
244 kfree(p_dev->prod_id[i]);
244 kfree(p_dev->devname); 245 kfree(p_dev->devname);
245 kref_put(&p_dev->function_config->ref, pcmcia_release_function); 246 kref_put(&p_dev->function_config->ref, pcmcia_release_function);
246 kfree(p_dev); 247 kfree(p_dev);
247} 248}
248 249
249static void pcmcia_add_device_later(struct pcmcia_socket *s, int mfc)
250{
251 if (!s->pcmcia_state.device_add_pending) {
252 dev_dbg(&s->dev, "scheduling to add %s secondary"
253 " device to %d\n", mfc ? "mfc" : "pfc", s->sock);
254 s->pcmcia_state.device_add_pending = 1;
255 s->pcmcia_state.mfc_pfc = mfc;
256 schedule_work(&s->device_add);
257 }
258 return;
259}
260 250
261static int pcmcia_device_probe(struct device *dev) 251static int pcmcia_device_probe(struct device *dev)
262{ 252{
263 struct pcmcia_device *p_dev; 253 struct pcmcia_device *p_dev;
264 struct pcmcia_driver *p_drv; 254 struct pcmcia_driver *p_drv;
265 struct pcmcia_device_id *did;
266 struct pcmcia_socket *s; 255 struct pcmcia_socket *s;
267 cistpl_config_t cis_config; 256 cistpl_config_t cis_config;
268 int ret = 0; 257 int ret = 0;
@@ -275,18 +264,6 @@ static int pcmcia_device_probe(struct device *dev)
275 p_drv = to_pcmcia_drv(dev->driver); 264 p_drv = to_pcmcia_drv(dev->driver);
276 s = p_dev->socket; 265 s = p_dev->socket;
277 266
278 /* The PCMCIA code passes the match data in via dev_set_drvdata(dev)
279 * which is an ugly hack. Once the driver probe is called it may
280 * and often will overwrite the match data so we must save it first
281 *
282 * handle pseudo multifunction devices:
283 * there are at most two pseudo multifunction devices.
284 * if we're matching against the first, schedule a
285 * call which will then check whether there are two
286 * pseudo devices, and if not, add the second one.
287 */
288 did = dev_get_drvdata(&p_dev->dev);
289
290 dev_dbg(dev, "trying to bind to %s\n", p_drv->drv.name); 267 dev_dbg(dev, "trying to bind to %s\n", p_drv->drv.name);
291 268
292 if ((!p_drv->probe) || (!p_dev->function_config) || 269 if ((!p_drv->probe) || (!p_dev->function_config) ||
@@ -315,9 +292,11 @@ static int pcmcia_device_probe(struct device *dev)
315 goto put_module; 292 goto put_module;
316 } 293 }
317 294
318 if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && 295 mutex_lock(&s->ops_mutex);
296 if ((s->pcmcia_state.has_pfc) &&
319 (p_dev->socket->device_count == 1) && (p_dev->device_no == 0)) 297 (p_dev->socket->device_count == 1) && (p_dev->device_no == 0))
320 pcmcia_add_device_later(p_dev->socket, 0); 298 pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
299 mutex_unlock(&s->ops_mutex);
321 300
322put_module: 301put_module:
323 if (ret) 302 if (ret)
@@ -336,26 +315,27 @@ static void pcmcia_card_remove(struct pcmcia_socket *s, struct pcmcia_device *le
336{ 315{
337 struct pcmcia_device *p_dev; 316 struct pcmcia_device *p_dev;
338 struct pcmcia_device *tmp; 317 struct pcmcia_device *tmp;
339 unsigned long flags;
340 318
341 dev_dbg(leftover ? &leftover->dev : &s->dev, 319 dev_dbg(leftover ? &leftover->dev : &s->dev,
342 "pcmcia_card_remove(%d) %s\n", s->sock, 320 "pcmcia_card_remove(%d) %s\n", s->sock,
343 leftover ? leftover->devname : ""); 321 leftover ? leftover->devname : "");
344 322
323 mutex_lock(&s->ops_mutex);
345 if (!leftover) 324 if (!leftover)
346 s->device_count = 0; 325 s->device_count = 0;
347 else 326 else
348 s->device_count = 1; 327 s->device_count = 1;
328 mutex_unlock(&s->ops_mutex);
349 329
350 /* unregister all pcmcia_devices registered with this socket, except leftover */ 330 /* unregister all pcmcia_devices registered with this socket, except leftover */
351 list_for_each_entry_safe(p_dev, tmp, &s->devices_list, socket_device_list) { 331 list_for_each_entry_safe(p_dev, tmp, &s->devices_list, socket_device_list) {
352 if (p_dev == leftover) 332 if (p_dev == leftover)
353 continue; 333 continue;
354 334
355 spin_lock_irqsave(&pcmcia_dev_list_lock, flags); 335 mutex_lock(&s->ops_mutex);
356 list_del(&p_dev->socket_device_list); 336 list_del(&p_dev->socket_device_list);
357 p_dev->_removed = 1; 337 p_dev->_removed = 1;
358 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 338 mutex_unlock(&s->ops_mutex);
359 339
360 dev_dbg(&p_dev->dev, "unregistering device\n"); 340 dev_dbg(&p_dev->dev, "unregistering device\n");
361 device_unregister(&p_dev->dev); 341 device_unregister(&p_dev->dev);
@@ -368,7 +348,6 @@ static int pcmcia_device_remove(struct device *dev)
368{ 348{
369 struct pcmcia_device *p_dev; 349 struct pcmcia_device *p_dev;
370 struct pcmcia_driver *p_drv; 350 struct pcmcia_driver *p_drv;
371 struct pcmcia_device_id *did;
372 int i; 351 int i;
373 352
374 p_dev = to_pcmcia_dev(dev); 353 p_dev = to_pcmcia_dev(dev);
@@ -380,9 +359,8 @@ static int pcmcia_device_remove(struct device *dev)
380 * pseudo multi-function card, we need to unbind 359 * pseudo multi-function card, we need to unbind
381 * all devices 360 * all devices
382 */ 361 */
383 did = dev_get_drvdata(&p_dev->dev); 362 if ((p_dev->socket->pcmcia_state.has_pfc) &&
384 if (did && (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) && 363 (p_dev->socket->device_count > 0) &&
385 (p_dev->socket->device_count != 0) &&
386 (p_dev->device_no == 0)) 364 (p_dev->device_no == 0))
387 pcmcia_card_remove(p_dev->socket, p_dev); 365 pcmcia_card_remove(p_dev->socket, p_dev);
388 366
@@ -431,16 +409,20 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev)
431 409
432 if (!pccard_read_tuple(p_dev->socket, BIND_FN_ALL, 410 if (!pccard_read_tuple(p_dev->socket, BIND_FN_ALL,
433 CISTPL_MANFID, &manf_id)) { 411 CISTPL_MANFID, &manf_id)) {
412 mutex_lock(&p_dev->socket->ops_mutex);
434 p_dev->manf_id = manf_id.manf; 413 p_dev->manf_id = manf_id.manf;
435 p_dev->card_id = manf_id.card; 414 p_dev->card_id = manf_id.card;
436 p_dev->has_manf_id = 1; 415 p_dev->has_manf_id = 1;
437 p_dev->has_card_id = 1; 416 p_dev->has_card_id = 1;
417 mutex_unlock(&p_dev->socket->ops_mutex);
438 } 418 }
439 419
440 if (!pccard_read_tuple(p_dev->socket, p_dev->func, 420 if (!pccard_read_tuple(p_dev->socket, p_dev->func,
441 CISTPL_FUNCID, &func_id)) { 421 CISTPL_FUNCID, &func_id)) {
422 mutex_lock(&p_dev->socket->ops_mutex);
442 p_dev->func_id = func_id.func; 423 p_dev->func_id = func_id.func;
443 p_dev->has_func_id = 1; 424 p_dev->has_func_id = 1;
425 mutex_unlock(&p_dev->socket->ops_mutex);
444 } else { 426 } else {
445 /* rule of thumb: cards with no FUNCID, but with 427 /* rule of thumb: cards with no FUNCID, but with
446 * common memory device geometry information, are 428 * common memory device geometry information, are
@@ -457,17 +439,21 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev)
457 dev_dbg(&p_dev->dev, 439 dev_dbg(&p_dev->dev,
458 "mem device geometry probably means " 440 "mem device geometry probably means "
459 "FUNCID_MEMORY\n"); 441 "FUNCID_MEMORY\n");
442 mutex_lock(&p_dev->socket->ops_mutex);
460 p_dev->func_id = CISTPL_FUNCID_MEMORY; 443 p_dev->func_id = CISTPL_FUNCID_MEMORY;
461 p_dev->has_func_id = 1; 444 p_dev->has_func_id = 1;
445 mutex_unlock(&p_dev->socket->ops_mutex);
462 } 446 }
463 kfree(devgeo); 447 kfree(devgeo);
464 } 448 }
465 449
466 if (!pccard_read_tuple(p_dev->socket, BIND_FN_ALL, CISTPL_VERS_1, 450 if (!pccard_read_tuple(p_dev->socket, BIND_FN_ALL, CISTPL_VERS_1,
467 vers1)) { 451 vers1)) {
452 mutex_lock(&p_dev->socket->ops_mutex);
468 for (i = 0; i < min_t(unsigned int, 4, vers1->ns); i++) { 453 for (i = 0; i < min_t(unsigned int, 4, vers1->ns); i++) {
469 char *tmp; 454 char *tmp;
470 unsigned int length; 455 unsigned int length;
456 char *new;
471 457
472 tmp = vers1->str + vers1->ofs[i]; 458 tmp = vers1->str + vers1->ofs[i];
473 459
@@ -475,14 +461,17 @@ static int pcmcia_device_query(struct pcmcia_device *p_dev)
475 if ((length < 2) || (length > 255)) 461 if ((length < 2) || (length > 255))
476 continue; 462 continue;
477 463
478 p_dev->prod_id[i] = kmalloc(sizeof(char) * length, 464 new = kmalloc(sizeof(char) * length, GFP_KERNEL);
479 GFP_KERNEL); 465 if (!new)
480 if (!p_dev->prod_id[i])
481 continue; 466 continue;
482 467
483 p_dev->prod_id[i] = strncpy(p_dev->prod_id[i], 468 new = strncpy(new, tmp, length);
484 tmp, length); 469
470 tmp = p_dev->prod_id[i];
471 p_dev->prod_id[i] = new;
472 kfree(tmp);
485 } 473 }
474 mutex_unlock(&p_dev->socket->ops_mutex);
486 } 475 }
487 476
488 kfree(vers1); 477 kfree(vers1);
@@ -502,7 +491,7 @@ static DEFINE_MUTEX(device_add_lock);
502struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int function) 491struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int function)
503{ 492{
504 struct pcmcia_device *p_dev, *tmp_dev; 493 struct pcmcia_device *p_dev, *tmp_dev;
505 unsigned long flags; 494 int i;
506 495
507 s = pcmcia_get_socket(s); 496 s = pcmcia_get_socket(s);
508 if (!s) 497 if (!s)
@@ -512,16 +501,19 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu
512 501
513 pr_debug("adding device to %d, function %d\n", s->sock, function); 502 pr_debug("adding device to %d, function %d\n", s->sock, function);
514 503
515 /* max of 4 devices per card */
516 if (s->device_count == 4)
517 goto err_put;
518
519 p_dev = kzalloc(sizeof(struct pcmcia_device), GFP_KERNEL); 504 p_dev = kzalloc(sizeof(struct pcmcia_device), GFP_KERNEL);
520 if (!p_dev) 505 if (!p_dev)
521 goto err_put; 506 goto err_put;
522 507
523 p_dev->socket = s; 508 mutex_lock(&s->ops_mutex);
524 p_dev->device_no = (s->device_count++); 509 p_dev->device_no = (s->device_count++);
510 mutex_unlock(&s->ops_mutex);
511
512 /* max of 2 devices per card */
513 if (p_dev->device_no >= 2)
514 goto err_free;
515
516 p_dev->socket = s;
525 p_dev->func = function; 517 p_dev->func = function;
526 518
527 p_dev->dev.bus = &pcmcia_bus_type; 519 p_dev->dev.bus = &pcmcia_bus_type;
@@ -538,7 +530,7 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu
538 goto err_free; 530 goto err_free;
539 dev_dbg(&p_dev->dev, "devname is %s\n", p_dev->devname); 531 dev_dbg(&p_dev->dev, "devname is %s\n", p_dev->devname);
540 532
541 spin_lock_irqsave(&pcmcia_dev_list_lock, flags); 533 mutex_lock(&s->ops_mutex);
542 534
543 /* 535 /*
544 * p_dev->function_config must be the same for all card functions. 536 * p_dev->function_config must be the same for all card functions.
@@ -556,7 +548,7 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu
556 /* Add to the list in pcmcia_bus_socket */ 548 /* Add to the list in pcmcia_bus_socket */
557 list_add(&p_dev->socket_device_list, &s->devices_list); 549 list_add(&p_dev->socket_device_list, &s->devices_list);
558 550
559 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 551 mutex_unlock(&s->ops_mutex);
560 552
561 if (!p_dev->function_config) { 553 if (!p_dev->function_config) {
562 dev_dbg(&p_dev->dev, "creating config_t\n"); 554 dev_dbg(&p_dev->dev, "creating config_t\n");
@@ -581,14 +573,19 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu
581 return p_dev; 573 return p_dev;
582 574
583 err_unreg: 575 err_unreg:
584 spin_lock_irqsave(&pcmcia_dev_list_lock, flags); 576 mutex_lock(&s->ops_mutex);
585 list_del(&p_dev->socket_device_list); 577 list_del(&p_dev->socket_device_list);
586 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 578 mutex_unlock(&s->ops_mutex);
587 579
588 err_free: 580 err_free:
581 mutex_lock(&s->ops_mutex);
582 s->device_count--;
583 mutex_unlock(&s->ops_mutex);
584
585 for (i = 0; i < 4; i++)
586 kfree(p_dev->prod_id[i]);
589 kfree(p_dev->devname); 587 kfree(p_dev->devname);
590 kfree(p_dev); 588 kfree(p_dev);
591 s->device_count--;
592 err_put: 589 err_put:
593 mutex_unlock(&device_add_lock); 590 mutex_unlock(&device_add_lock);
594 pcmcia_put_socket(s); 591 pcmcia_put_socket(s);
@@ -601,19 +598,23 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
601{ 598{
602 cistpl_longlink_mfc_t mfc; 599 cistpl_longlink_mfc_t mfc;
603 unsigned int no_funcs, i, no_chains; 600 unsigned int no_funcs, i, no_chains;
604 int ret = 0; 601 int ret = -EAGAIN;
605 602
603 mutex_lock(&s->ops_mutex);
606 if (!(s->resource_setup_done)) { 604 if (!(s->resource_setup_done)) {
607 dev_dbg(&s->dev, 605 dev_dbg(&s->dev,
608 "no resources available, delaying card_add\n"); 606 "no resources available, delaying card_add\n");
607 mutex_unlock(&s->ops_mutex);
609 return -EAGAIN; /* try again, but later... */ 608 return -EAGAIN; /* try again, but later... */
610 } 609 }
611 610
612 if (pcmcia_validate_mem(s)) { 611 if (pcmcia_validate_mem(s)) {
613 dev_dbg(&s->dev, "validating mem resources failed, " 612 dev_dbg(&s->dev, "validating mem resources failed, "
614 "delaying card_add\n"); 613 "delaying card_add\n");
614 mutex_unlock(&s->ops_mutex);
615 return -EAGAIN; /* try again, but later... */ 615 return -EAGAIN; /* try again, but later... */
616 } 616 }
617 mutex_unlock(&s->ops_mutex);
617 618
618 ret = pccard_validate_cis(s, &no_chains); 619 ret = pccard_validate_cis(s, &no_chains);
619 if (ret || !no_chains) { 620 if (ret || !no_chains) {
@@ -634,17 +635,7 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
634} 635}
635 636
636 637
637static void pcmcia_delayed_add_device(struct work_struct *work) 638static int pcmcia_requery_callback(struct device *dev, void * _data)
638{
639 struct pcmcia_socket *s =
640 container_of(work, struct pcmcia_socket, device_add);
641 dev_dbg(&s->dev, "adding additional device to %d\n", s->sock);
642 pcmcia_device_add(s, s->pcmcia_state.mfc_pfc);
643 s->pcmcia_state.device_add_pending = 0;
644 s->pcmcia_state.mfc_pfc = 0;
645}
646
647static int pcmcia_requery(struct device *dev, void * _data)
648{ 639{
649 struct pcmcia_device *p_dev = to_pcmcia_dev(dev); 640 struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
650 if (!p_dev->dev.driver) { 641 if (!p_dev->dev.driver) {
@@ -655,45 +646,67 @@ static int pcmcia_requery(struct device *dev, void * _data)
655 return 0; 646 return 0;
656} 647}
657 648
658static void pcmcia_bus_rescan(struct pcmcia_socket *skt, int new_cis)
659{
660 int no_devices = 0;
661 int ret = 0;
662 unsigned long flags;
663 649
664 /* must be called with skt_mutex held */ 650static void pcmcia_requery(struct pcmcia_socket *s)
665 dev_dbg(&skt->dev, "re-scanning socket %d\n", skt->sock); 651{
652 int present, has_pfc;
666 653
667 spin_lock_irqsave(&pcmcia_dev_list_lock, flags); 654 mutex_lock(&s->ops_mutex);
668 if (list_empty(&skt->devices_list)) 655 present = s->pcmcia_state.present;
669 no_devices = 1; 656 mutex_unlock(&s->ops_mutex);
670 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
671 657
672 /* If this is because of a CIS override, start over */ 658 if (!present)
673 if (new_cis && !no_devices) 659 return;
674 pcmcia_card_remove(skt, NULL);
675 660
676 /* if no devices were added for this socket yet because of 661 if (s->functions == 0) {
677 * missing resource information or other trouble, we need to 662 pcmcia_card_add(s);
678 * do this now. */ 663 return;
679 if (no_devices || new_cis) {
680 ret = pcmcia_card_add(skt);
681 if (ret)
682 return;
683 } 664 }
684 665
685 /* some device information might have changed because of a CIS 666 /* some device information might have changed because of a CIS
686 * update or because we can finally read it correctly... so 667 * update or because we can finally read it correctly... so
687 * determine it again, overwriting old values if necessary. */ 668 * determine it again, overwriting old values if necessary. */
688 bus_for_each_dev(&pcmcia_bus_type, NULL, NULL, pcmcia_requery); 669 bus_for_each_dev(&pcmcia_bus_type, NULL, NULL, pcmcia_requery_callback);
670
671 /* if the CIS changed, we need to check whether the number of
672 * functions changed. */
673 if (s->fake_cis) {
674 int old_funcs, new_funcs;
675 cistpl_longlink_mfc_t mfc;
676
677 /* does this cis override add or remove functions? */
678 old_funcs = s->functions;
679
680 if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC,
681 &mfc))
682 new_funcs = mfc.nfn;
683 else
684 new_funcs = 1;
685 if (old_funcs > new_funcs) {
686 pcmcia_card_remove(s, NULL);
687 pcmcia_card_add(s);
688 } else if (new_funcs > old_funcs) {
689 s->functions = new_funcs;
690 pcmcia_device_add(s, 1);
691 }
692 }
693
694 /* If the PCMCIA device consists of two pseudo devices,
695 * call pcmcia_device_add() -- which will fail if both
696 * devices are already registered. */
697 mutex_lock(&s->ops_mutex);
698 has_pfc = s->pcmcia_state.has_pfc;
699 mutex_unlock(&s->ops_mutex);
700 if (has_pfc)
701 pcmcia_device_add(s, 0);
689 702
690 /* we re-scan all devices, not just the ones connected to this 703 /* we re-scan all devices, not just the ones connected to this
691 * socket. This does not matter, though. */ 704 * socket. This does not matter, though. */
692 ret = bus_rescan_devices(&pcmcia_bus_type); 705 if (bus_rescan_devices(&pcmcia_bus_type))
693 if (ret) 706 dev_warn(&s->dev, "rescanning the bus failed\n");
694 printk(KERN_INFO "pcmcia: bus_rescan_devices failed\n");
695} 707}
696 708
709
697#ifdef CONFIG_PCMCIA_LOAD_CIS 710#ifdef CONFIG_PCMCIA_LOAD_CIS
698 711
699/** 712/**
@@ -710,9 +723,6 @@ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
710 struct pcmcia_socket *s = dev->socket; 723 struct pcmcia_socket *s = dev->socket;
711 const struct firmware *fw; 724 const struct firmware *fw;
712 int ret = -ENOMEM; 725 int ret = -ENOMEM;
713 int no_funcs;
714 int old_funcs;
715 cistpl_longlink_mfc_t mfc;
716 726
717 if (!filename) 727 if (!filename)
718 return -EINVAL; 728 return -EINVAL;
@@ -739,19 +749,8 @@ static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
739 /* update information */ 749 /* update information */
740 pcmcia_device_query(dev); 750 pcmcia_device_query(dev);
741 751
742 /* does this cis override add or remove functions? */ 752 /* requery (as number of functions might have changed) */
743 old_funcs = s->functions; 753 pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
744
745 if (!pccard_read_tuple(s, BIND_FN_ALL, CISTPL_LONGLINK_MFC, &mfc))
746 no_funcs = mfc.nfn;
747 else
748 no_funcs = 1;
749 s->functions = no_funcs;
750
751 if (old_funcs > no_funcs)
752 pcmcia_card_remove(s, dev);
753 else if (no_funcs > old_funcs)
754 pcmcia_add_device_later(s, 1);
755 } 754 }
756 release: 755 release:
757 release_firmware(fw); 756 release_firmware(fw);
@@ -818,9 +817,14 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
818 if (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) { 817 if (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) {
819 if (dev->device_no != did->device_no) 818 if (dev->device_no != did->device_no)
820 return 0; 819 return 0;
820 mutex_lock(&dev->socket->ops_mutex);
821 dev->socket->pcmcia_state.has_pfc = 1;
822 mutex_unlock(&dev->socket->ops_mutex);
821 } 823 }
822 824
823 if (did->match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID) { 825 if (did->match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID) {
826 int ret;
827
824 if ((!dev->has_func_id) || (dev->func_id != did->func_id)) 828 if ((!dev->has_func_id) || (dev->func_id != did->func_id))
825 return 0; 829 return 0;
826 830
@@ -835,10 +839,15 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
835 * after it has re-checked that there is no possible module 839 * after it has re-checked that there is no possible module
836 * with a prod_id/manf_id/card_id match. 840 * with a prod_id/manf_id/card_id match.
837 */ 841 */
838 dev_dbg(&dev->dev, 842 mutex_lock(&dev->socket->ops_mutex);
839 "skipping FUNC_ID match until userspace interaction\n"); 843 ret = dev->allow_func_id_match;
840 if (!dev->allow_func_id_match) 844 mutex_unlock(&dev->socket->ops_mutex);
845
846 if (!ret) {
847 dev_dbg(&dev->dev,
848 "skipping FUNC_ID match until userspace ACK\n");
841 return 0; 849 return 0;
850 }
842 } 851 }
843 852
844 if (did->match_flags & PCMCIA_DEV_ID_MATCH_FAKE_CIS) { 853 if (did->match_flags & PCMCIA_DEV_ID_MATCH_FAKE_CIS) {
@@ -859,8 +868,6 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
859 return 0; 868 return 0;
860 } 869 }
861 870
862 dev_set_drvdata(&dev->dev, did);
863
864 return 1; 871 return 1;
865} 872}
866 873
@@ -873,16 +880,16 @@ static int pcmcia_bus_match(struct device *dev, struct device_driver *drv)
873 struct pcmcia_dynid *dynid; 880 struct pcmcia_dynid *dynid;
874 881
875 /* match dynamic devices first */ 882 /* match dynamic devices first */
876 spin_lock(&p_drv->dynids.lock); 883 mutex_lock(&p_drv->dynids.lock);
877 list_for_each_entry(dynid, &p_drv->dynids.list, node) { 884 list_for_each_entry(dynid, &p_drv->dynids.list, node) {
878 dev_dbg(dev, "trying to match to %s\n", drv->name); 885 dev_dbg(dev, "trying to match to %s\n", drv->name);
879 if (pcmcia_devmatch(p_dev, &dynid->id)) { 886 if (pcmcia_devmatch(p_dev, &dynid->id)) {
880 dev_dbg(dev, "matched to %s\n", drv->name); 887 dev_dbg(dev, "matched to %s\n", drv->name);
881 spin_unlock(&p_drv->dynids.lock); 888 mutex_unlock(&p_drv->dynids.lock);
882 return 1; 889 return 1;
883 } 890 }
884 } 891 }
885 spin_unlock(&p_drv->dynids.lock); 892 mutex_unlock(&p_drv->dynids.lock);
886 893
887#ifdef CONFIG_PCMCIA_IOCTL 894#ifdef CONFIG_PCMCIA_IOCTL
888 /* matching by cardmgr */ 895 /* matching by cardmgr */
@@ -970,13 +977,14 @@ static int runtime_suspend(struct device *dev)
970 return rc; 977 return rc;
971} 978}
972 979
973static void runtime_resume(struct device *dev) 980static int runtime_resume(struct device *dev)
974{ 981{
975 int rc; 982 int rc;
976 983
977 down(&dev->sem); 984 down(&dev->sem);
978 rc = pcmcia_dev_resume(dev); 985 rc = pcmcia_dev_resume(dev);
979 up(&dev->sem); 986 up(&dev->sem);
987 return rc;
980} 988}
981 989
982/************************ per-device sysfs output ***************************/ 990/************************ per-device sysfs output ***************************/
@@ -1027,7 +1035,7 @@ static ssize_t pcmcia_store_pm_state(struct device *dev, struct device_attribute
1027 if ((!p_dev->suspended) && !strncmp(buf, "off", 3)) 1035 if ((!p_dev->suspended) && !strncmp(buf, "off", 3))
1028 ret = runtime_suspend(dev); 1036 ret = runtime_suspend(dev);
1029 else if (p_dev->suspended && !strncmp(buf, "on", 2)) 1037 else if (p_dev->suspended && !strncmp(buf, "on", 2))
1030 runtime_resume(dev); 1038 ret = runtime_resume(dev);
1031 1039
1032 return ret ? ret : count; 1040 return ret ? ret : count;
1033} 1041}
@@ -1059,19 +1067,14 @@ static ssize_t pcmcia_store_allow_func_id_match(struct device *dev,
1059 struct device_attribute *attr, const char *buf, size_t count) 1067 struct device_attribute *attr, const char *buf, size_t count)
1060{ 1068{
1061 struct pcmcia_device *p_dev = to_pcmcia_dev(dev); 1069 struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
1062 int ret;
1063 1070
1064 if (!count) 1071 if (!count)
1065 return -EINVAL; 1072 return -EINVAL;
1066 1073
1067 mutex_lock(&p_dev->socket->skt_mutex); 1074 mutex_lock(&p_dev->socket->ops_mutex);
1068 p_dev->allow_func_id_match = 1; 1075 p_dev->allow_func_id_match = 1;
1069 mutex_unlock(&p_dev->socket->skt_mutex); 1076 mutex_unlock(&p_dev->socket->ops_mutex);
1070 1077 pcmcia_parse_uevents(p_dev->socket, PCMCIA_UEVENT_REQUERY);
1071 ret = bus_rescan_devices(&pcmcia_bus_type);
1072 if (ret)
1073 printk(KERN_INFO "pcmcia: bus_rescan_devices failed after "
1074 "allowing func_id matches\n");
1075 1078
1076 return count; 1079 return count;
1077} 1080}
@@ -1099,8 +1102,13 @@ static int pcmcia_dev_suspend(struct device *dev, pm_message_t state)
1099 struct pcmcia_driver *p_drv = NULL; 1102 struct pcmcia_driver *p_drv = NULL;
1100 int ret = 0; 1103 int ret = 0;
1101 1104
1102 if (p_dev->suspended) 1105 mutex_lock(&p_dev->socket->ops_mutex);
1106 if (p_dev->suspended) {
1107 mutex_unlock(&p_dev->socket->ops_mutex);
1103 return 0; 1108 return 0;
1109 }
1110 p_dev->suspended = 1;
1111 mutex_unlock(&p_dev->socket->ops_mutex);
1104 1112
1105 dev_dbg(dev, "suspending\n"); 1113 dev_dbg(dev, "suspending\n");
1106 1114
@@ -1117,6 +1125,9 @@ static int pcmcia_dev_suspend(struct device *dev, pm_message_t state)
1117 "pcmcia: device %s (driver %s) did " 1125 "pcmcia: device %s (driver %s) did "
1118 "not want to go to sleep (%d)\n", 1126 "not want to go to sleep (%d)\n",
1119 p_dev->devname, p_drv->drv.name, ret); 1127 p_dev->devname, p_drv->drv.name, ret);
1128 mutex_lock(&p_dev->socket->ops_mutex);
1129 p_dev->suspended = 0;
1130 mutex_unlock(&p_dev->socket->ops_mutex);
1120 goto out; 1131 goto out;
1121 } 1132 }
1122 } 1133 }
@@ -1127,8 +1138,6 @@ static int pcmcia_dev_suspend(struct device *dev, pm_message_t state)
1127 } 1138 }
1128 1139
1129 out: 1140 out:
1130 if (!ret)
1131 p_dev->suspended = 1;
1132 return ret; 1141 return ret;
1133} 1142}
1134 1143
@@ -1139,8 +1148,13 @@ static int pcmcia_dev_resume(struct device *dev)
1139 struct pcmcia_driver *p_drv = NULL; 1148 struct pcmcia_driver *p_drv = NULL;
1140 int ret = 0; 1149 int ret = 0;
1141 1150
1142 if (!p_dev->suspended) 1151 mutex_lock(&p_dev->socket->ops_mutex);
1152 if (!p_dev->suspended) {
1153 mutex_unlock(&p_dev->socket->ops_mutex);
1143 return 0; 1154 return 0;
1155 }
1156 p_dev->suspended = 0;
1157 mutex_unlock(&p_dev->socket->ops_mutex);
1144 1158
1145 dev_dbg(dev, "resuming\n"); 1159 dev_dbg(dev, "resuming\n");
1146 1160
@@ -1161,8 +1175,6 @@ static int pcmcia_dev_resume(struct device *dev)
1161 ret = p_drv->resume(p_dev); 1175 ret = p_drv->resume(p_dev);
1162 1176
1163 out: 1177 out:
1164 if (!ret)
1165 p_dev->suspended = 0;
1166 return ret; 1178 return ret;
1167} 1179}
1168 1180
@@ -1237,13 +1249,22 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
1237 1249
1238 switch (event) { 1250 switch (event) {
1239 case CS_EVENT_CARD_REMOVAL: 1251 case CS_EVENT_CARD_REMOVAL:
1252 mutex_lock(&s->ops_mutex);
1240 s->pcmcia_state.present = 0; 1253 s->pcmcia_state.present = 0;
1254 mutex_unlock(&s->ops_mutex);
1241 pcmcia_card_remove(skt, NULL); 1255 pcmcia_card_remove(skt, NULL);
1242 handle_event(skt, event); 1256 handle_event(skt, event);
1257 mutex_lock(&s->ops_mutex);
1258 destroy_cis_cache(s);
1259 mutex_unlock(&s->ops_mutex);
1243 break; 1260 break;
1244 1261
1245 case CS_EVENT_CARD_INSERTION: 1262 case CS_EVENT_CARD_INSERTION:
1263 mutex_lock(&s->ops_mutex);
1264 s->pcmcia_state.has_pfc = 0;
1246 s->pcmcia_state.present = 1; 1265 s->pcmcia_state.present = 1;
1266 destroy_cis_cache(s); /* to be on the safe side... */
1267 mutex_unlock(&s->ops_mutex);
1247 pcmcia_card_add(skt); 1268 pcmcia_card_add(skt);
1248 handle_event(skt, event); 1269 handle_event(skt, event);
1249 break; 1270 break;
@@ -1251,8 +1272,24 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
1251 case CS_EVENT_EJECTION_REQUEST: 1272 case CS_EVENT_EJECTION_REQUEST:
1252 break; 1273 break;
1253 1274
1254 case CS_EVENT_PM_SUSPEND:
1255 case CS_EVENT_PM_RESUME: 1275 case CS_EVENT_PM_RESUME:
1276 if (verify_cis_cache(skt) != 0) {
1277 dev_dbg(&skt->dev, "cis mismatch - different card\n");
1278 /* first, remove the card */
1279 ds_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
1280 mutex_lock(&s->ops_mutex);
1281 destroy_cis_cache(skt);
1282 kfree(skt->fake_cis);
1283 skt->fake_cis = NULL;
1284 mutex_unlock(&s->ops_mutex);
1285 /* now, add the new card */
1286 ds_event(skt, CS_EVENT_CARD_INSERTION,
1287 CS_EVENT_PRI_LOW);
1288 }
1289 handle_event(skt, event);
1290 break;
1291
1292 case CS_EVENT_PM_SUSPEND:
1256 case CS_EVENT_RESET_PHYSICAL: 1293 case CS_EVENT_RESET_PHYSICAL:
1257 case CS_EVENT_CARD_RESET: 1294 case CS_EVENT_CARD_RESET:
1258 default: 1295 default:
@@ -1275,9 +1312,13 @@ struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *_p_dev)
1275 if (!p_dev) 1312 if (!p_dev)
1276 return NULL; 1313 return NULL;
1277 1314
1315 mutex_lock(&p_dev->socket->ops_mutex);
1278 if (!p_dev->socket->pcmcia_state.present) 1316 if (!p_dev->socket->pcmcia_state.present)
1279 goto out; 1317 goto out;
1280 1318
1319 if (p_dev->socket->pcmcia_state.dead)
1320 goto out;
1321
1281 if (p_dev->_removed) 1322 if (p_dev->_removed)
1282 goto out; 1323 goto out;
1283 1324
@@ -1286,6 +1327,7 @@ struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *_p_dev)
1286 1327
1287 ret = p_dev; 1328 ret = p_dev;
1288 out: 1329 out:
1330 mutex_unlock(&p_dev->socket->ops_mutex);
1289 pcmcia_put_dev(p_dev); 1331 pcmcia_put_dev(p_dev);
1290 return ret; 1332 return ret;
1291} 1333}
@@ -1295,7 +1337,8 @@ EXPORT_SYMBOL(pcmcia_dev_present);
1295static struct pcmcia_callback pcmcia_bus_callback = { 1337static struct pcmcia_callback pcmcia_bus_callback = {
1296 .owner = THIS_MODULE, 1338 .owner = THIS_MODULE,
1297 .event = ds_event, 1339 .event = ds_event,
1298 .requery = pcmcia_bus_rescan, 1340 .requery = pcmcia_requery,
1341 .validate = pccard_validate_cis,
1299 .suspend = pcmcia_bus_suspend, 1342 .suspend = pcmcia_bus_suspend,
1300 .resume = pcmcia_bus_resume, 1343 .resume = pcmcia_bus_resume,
1301}; 1344};
@@ -1313,17 +1356,17 @@ static int __devinit pcmcia_bus_add_socket(struct device *dev,
1313 return -ENODEV; 1356 return -ENODEV;
1314 } 1357 }
1315 1358
1316 /* 1359 ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
1317 * Ugly. But we want to wait for the socket threads to have started up. 1360 if (ret) {
1318 * We really should let the drivers themselves drive some of this.. 1361 dev_printk(KERN_ERR, dev, "PCMCIA registration failed\n");
1319 */ 1362 pcmcia_put_socket(socket);
1320 msleep(250); 1363 return ret;
1364 }
1321 1365
1322#ifdef CONFIG_PCMCIA_IOCTL 1366#ifdef CONFIG_PCMCIA_IOCTL
1323 init_waitqueue_head(&socket->queue); 1367 init_waitqueue_head(&socket->queue);
1324#endif 1368#endif
1325 INIT_LIST_HEAD(&socket->devices_list); 1369 INIT_LIST_HEAD(&socket->devices_list);
1326 INIT_WORK(&socket->device_add, pcmcia_delayed_add_device);
1327 memset(&socket->pcmcia_state, 0, sizeof(u8)); 1370 memset(&socket->pcmcia_state, 0, sizeof(u8));
1328 socket->device_count = 0; 1371 socket->device_count = 0;
1329 1372
@@ -1345,14 +1388,20 @@ static void pcmcia_bus_remove_socket(struct device *dev,
1345 if (!socket) 1388 if (!socket)
1346 return; 1389 return;
1347 1390
1391 mutex_lock(&socket->ops_mutex);
1348 socket->pcmcia_state.dead = 1; 1392 socket->pcmcia_state.dead = 1;
1393 mutex_unlock(&socket->ops_mutex);
1394
1349 pccard_register_pcmcia(socket, NULL); 1395 pccard_register_pcmcia(socket, NULL);
1350 1396
1351 /* unregister any unbound devices */ 1397 /* unregister any unbound devices */
1352 mutex_lock(&socket->skt_mutex); 1398 mutex_lock(&socket->skt_mutex);
1353 pcmcia_card_remove(socket, NULL); 1399 pcmcia_card_remove(socket, NULL);
1400 release_cis_mem(socket);
1354 mutex_unlock(&socket->skt_mutex); 1401 mutex_unlock(&socket->skt_mutex);
1355 1402
1403 sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
1404
1356 pcmcia_put_socket(socket); 1405 pcmcia_put_socket(socket);
1357 1406
1358 return; 1407 return;
@@ -1383,8 +1432,6 @@ static int __init init_pcmcia_bus(void)
1383{ 1432{
1384 int ret; 1433 int ret;
1385 1434
1386 spin_lock_init(&pcmcia_dev_list_lock);
1387
1388 ret = bus_register(&pcmcia_bus_type); 1435 ret = bus_register(&pcmcia_bus_type);
1389 if (ret < 0) { 1436 if (ret < 0) {
1390 printk(KERN_WARNING "pcmcia: bus_register error: %d\n", ret); 1437 printk(KERN_WARNING "pcmcia: bus_register error: %d\n", ret);
diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c
index d187ba4c5e0e..89cfddca089a 100644
--- a/drivers/pcmcia/electra_cf.c
+++ b/drivers/pcmcia/electra_cf.c
@@ -347,7 +347,7 @@ static int __devexit electra_cf_remove(struct of_device *ofdev)
347 return 0; 347 return 0;
348} 348}
349 349
350static struct of_device_id electra_cf_match[] = { 350static const struct of_device_id electra_cf_match[] = {
351 { 351 {
352 .compatible = "electra-cf", 352 .compatible = "electra-cf",
353 }, 353 },
diff --git a/drivers/pcmcia/i82365.h b/drivers/pcmcia/i82365.h
index 622860c689d9..849ef1b5d687 100644
--- a/drivers/pcmcia/i82365.h
+++ b/drivers/pcmcia/i82365.h
@@ -77,8 +77,8 @@
77#define I365_VPP2_5V 0x04 /* Vpp2 = 5.0v */ 77#define I365_VPP2_5V 0x04 /* Vpp2 = 5.0v */
78#define I365_VPP2_12V 0x08 /* Vpp2 = 12.0v */ 78#define I365_VPP2_12V 0x08 /* Vpp2 = 12.0v */
79#define I365_VPP1_MASK 0x03 /* Mask for turning off Vpp1 */ 79#define I365_VPP1_MASK 0x03 /* Mask for turning off Vpp1 */
80#define I365_VPP1_5V 0x01 /* Vpp2 = 5.0v */ 80#define I365_VPP1_5V 0x01 /* Vpp1 = 5.0v */
81#define I365_VPP1_12V 0x02 /* Vpp2 = 12.0v */ 81#define I365_VPP1_12V 0x02 /* Vpp1 = 12.0v */
82 82
83/* Flags for I365_INTCTL */ 83/* Flags for I365_INTCTL */
84#define I365_RING_ENA 0x80 84#define I365_RING_ENA 0x80
diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c
index 26a621c9e2fc..0ece2cd4a85e 100644
--- a/drivers/pcmcia/m32r_cfc.c
+++ b/drivers/pcmcia/m32r_cfc.c
@@ -764,7 +764,7 @@ static int __init init_m32r_pcc(void)
764 for (i = 0 ; i < pcc_sockets ; i++) { 764 for (i = 0 ; i < pcc_sockets ; i++) {
765 socket[i].socket.dev.parent = &pcc_device.dev; 765 socket[i].socket.dev.parent = &pcc_device.dev;
766 socket[i].socket.ops = &pcc_operations; 766 socket[i].socket.ops = &pcc_operations;
767 socket[i].socket.resource_ops = &pccard_nonstatic_ops; 767 socket[i].socket.resource_ops = &pccard_static_ops;
768 socket[i].socket.owner = THIS_MODULE; 768 socket[i].socket.owner = THIS_MODULE;
769 socket[i].number = i; 769 socket[i].number = i;
770 ret = pcmcia_register_socket(&socket[i].socket); 770 ret = pcmcia_register_socket(&socket[i].socket);
diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c
index 7f79c4e169ae..61c215918128 100644
--- a/drivers/pcmcia/m8xx_pcmcia.c
+++ b/drivers/pcmcia/m8xx_pcmcia.c
@@ -1233,7 +1233,7 @@ static int __init m8xx_probe(struct of_device *ofdev,
1233 socket[i].socket.io_offset = 0; 1233 socket[i].socket.io_offset = 0;
1234 socket[i].socket.pci_irq = pcmcia_schlvl; 1234 socket[i].socket.pci_irq = pcmcia_schlvl;
1235 socket[i].socket.ops = &m8xx_services; 1235 socket[i].socket.ops = &m8xx_services;
1236 socket[i].socket.resource_ops = &pccard_nonstatic_ops; 1236 socket[i].socket.resource_ops = &pccard_iodyn_ops;
1237 socket[i].socket.cb_dev = NULL; 1237 socket[i].socket.cb_dev = NULL;
1238 socket[i].socket.dev.parent = &ofdev->dev; 1238 socket[i].socket.dev.parent = &ofdev->dev;
1239 socket[i].pcmcia = pcmcia; 1239 socket[i].pcmcia = pcmcia;
@@ -1303,7 +1303,7 @@ static int m8xx_resume(struct platform_device *pdev)
1303#define m8xx_resume NULL 1303#define m8xx_resume NULL
1304#endif 1304#endif
1305 1305
1306static struct of_device_id m8xx_pcmcia_match[] = { 1306static const struct of_device_id m8xx_pcmcia_match[] = {
1307 { 1307 {
1308 .type = "pcmcia", 1308 .type = "pcmcia",
1309 .compatible = "fsl,pq-pcmcia", 1309 .compatible = "fsl,pq-pcmcia",
diff --git a/drivers/pcmcia/o2micro.h b/drivers/pcmcia/o2micro.h
index 624442fc0d35..e74bebac2695 100644
--- a/drivers/pcmcia/o2micro.h
+++ b/drivers/pcmcia/o2micro.h
@@ -116,13 +116,12 @@ static int o2micro_override(struct yenta_socket *socket)
116 * from Eric Still, 02Micro. 116 * from Eric Still, 02Micro.
117 */ 117 */
118 u8 a, b; 118 u8 a, b;
119 bool use_speedup;
119 120
120 if (PCI_FUNC(socket->dev->devfn) == 0) { 121 if (PCI_FUNC(socket->dev->devfn) == 0) {
121 a = config_readb(socket, O2_RESERVED1); 122 a = config_readb(socket, O2_RESERVED1);
122 b = config_readb(socket, O2_RESERVED2); 123 b = config_readb(socket, O2_RESERVED2);
123 124 dev_dbg(&socket->dev->dev, "O2: 0x94/0xD4: %02x/%02x\n", a, b);
124 dev_printk(KERN_INFO, &socket->dev->dev,
125 "O2: res at 0x94/0xD4: %02x/%02x\n", a, b);
126 125
127 switch (socket->dev->device) { 126 switch (socket->dev->device) {
128 /* 127 /*
@@ -135,23 +134,37 @@ static int o2micro_override(struct yenta_socket *socket)
135 case PCI_DEVICE_ID_O2_6812: 134 case PCI_DEVICE_ID_O2_6812:
136 case PCI_DEVICE_ID_O2_6832: 135 case PCI_DEVICE_ID_O2_6832:
137 case PCI_DEVICE_ID_O2_6836: 136 case PCI_DEVICE_ID_O2_6836:
138 case PCI_DEVICE_ID_O2_6933: 137 case PCI_DEVICE_ID_O2_6933:
139 dev_printk(KERN_INFO, &socket->dev->dev, 138 use_speedup = false;
140 "Yenta O2: old bridge, disabling read "
141 "prefetch/write burst\n");
142 config_writeb(socket, O2_RESERVED1,
143 a & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST));
144 config_writeb(socket, O2_RESERVED2,
145 b & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST));
146 break; 139 break;
147
148 default: 140 default:
149 dev_printk(KERN_INFO , &socket->dev->dev, 141 use_speedup = true;
150 "O2: enabling read prefetch/write burst\n"); 142 break;
143 }
144
145 /* the user may override our decision */
146 if (strcasecmp(o2_speedup, "on") == 0)
147 use_speedup = true;
148 else if (strcasecmp(o2_speedup, "off") == 0)
149 use_speedup = false;
150 else if (strcasecmp(o2_speedup, "default") != 0)
151 dev_warn(&socket->dev->dev,
152 "O2: Unknown parameter, using 'default'");
153
154 if (use_speedup) {
155 dev_info(&socket->dev->dev,
156 "O2: enabling read prefetch/write burst\n");
157 config_writeb(socket, O2_RESERVED1,
158 a | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST);
159 config_writeb(socket, O2_RESERVED2,
160 b | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST);
161 } else {
162 dev_info(&socket->dev->dev,
163 "O2: disabling read prefetch/write burst\n");
151 config_writeb(socket, O2_RESERVED1, 164 config_writeb(socket, O2_RESERVED1,
152 a | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST); 165 a & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST));
153 config_writeb(socket, O2_RESERVED2, 166 config_writeb(socket, O2_RESERVED2,
154 b | O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST); 167 b & ~(O2_RES_READ_PREFETCH | O2_RES_WRITE_BURST));
155 } 168 }
156 } 169 }
157 170
diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c
index 663781d20129..3ef991552398 100644
--- a/drivers/pcmcia/omap_cf.c
+++ b/drivers/pcmcia/omap_cf.c
@@ -71,8 +71,6 @@ struct omap_cf_socket {
71 71
72#define POLL_INTERVAL (2 * HZ) 72#define POLL_INTERVAL (2 * HZ)
73 73
74#define SZ_2K (2 * SZ_1K)
75
76/*--------------------------------------------------------------------------*/ 74/*--------------------------------------------------------------------------*/
77 75
78static int omap_cf_ss_init(struct pcmcia_socket *s) 76static int omap_cf_ss_init(struct pcmcia_socket *s)
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index f73fd5beaa37..13a7132cf688 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -62,16 +62,15 @@ static struct pcmcia_device *get_pcmcia_device(struct pcmcia_socket *s,
62 unsigned int function) 62 unsigned int function)
63{ 63{
64 struct pcmcia_device *p_dev = NULL; 64 struct pcmcia_device *p_dev = NULL;
65 unsigned long flags;
66 65
67 spin_lock_irqsave(&pcmcia_dev_list_lock, flags); 66 mutex_lock(&s->ops_mutex);
68 list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { 67 list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
69 if (p_dev->func == function) { 68 if (p_dev->func == function) {
70 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 69 mutex_unlock(&s->ops_mutex);
71 return pcmcia_get_dev(p_dev); 70 return pcmcia_get_dev(p_dev);
72 } 71 }
73 } 72 }
74 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 73 mutex_unlock(&s->ops_mutex);
75 return NULL; 74 return NULL;
76} 75}
77 76
@@ -169,7 +168,6 @@ static int pcmcia_adjust_resource_info(adjust_t *adj)
169{ 168{
170 struct pcmcia_socket *s; 169 struct pcmcia_socket *s;
171 int ret = -ENOSYS; 170 int ret = -ENOSYS;
172 unsigned long flags;
173 171
174 down_read(&pcmcia_socket_list_rwsem); 172 down_read(&pcmcia_socket_list_rwsem);
175 list_for_each_entry(s, &pcmcia_socket_list, socket_list) { 173 list_for_each_entry(s, &pcmcia_socket_list, socket_list) {
@@ -182,14 +180,13 @@ static int pcmcia_adjust_resource_info(adjust_t *adj)
182 180
183 /* you can't use the old interface if the new 181 /* you can't use the old interface if the new
184 * one was used before */ 182 * one was used before */
185 spin_lock_irqsave(&s->lock, flags); 183 mutex_lock(&s->ops_mutex);
186 if ((s->resource_setup_new) && 184 if ((s->resource_setup_new) &&
187 !(s->resource_setup_old)) { 185 !(s->resource_setup_old)) {
188 spin_unlock_irqrestore(&s->lock, flags); 186 mutex_unlock(&s->ops_mutex);
189 continue; 187 continue;
190 } else if (!(s->resource_setup_old)) 188 } else if (!(s->resource_setup_old))
191 s->resource_setup_old = 1; 189 s->resource_setup_old = 1;
192 spin_unlock_irqrestore(&s->lock, flags);
193 190
194 switch (adj->Resource) { 191 switch (adj->Resource) {
195 case RES_MEMORY_RANGE: 192 case RES_MEMORY_RANGE:
@@ -208,10 +205,9 @@ static int pcmcia_adjust_resource_info(adjust_t *adj)
208 * last call to adjust_resource_info, we 205 * last call to adjust_resource_info, we
209 * always need to assume this is the latest 206 * always need to assume this is the latest
210 * one... */ 207 * one... */
211 spin_lock_irqsave(&s->lock, flags);
212 s->resource_setup_done = 1; 208 s->resource_setup_done = 1;
213 spin_unlock_irqrestore(&s->lock, flags);
214 } 209 }
210 mutex_unlock(&s->ops_mutex);
215 } 211 }
216 } 212 }
217 up_read(&pcmcia_socket_list_rwsem); 213 up_read(&pcmcia_socket_list_rwsem);
@@ -470,7 +466,6 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info)
470 struct pcmcia_driver *p_drv; 466 struct pcmcia_driver *p_drv;
471 struct pcmcia_device *p_dev; 467 struct pcmcia_device *p_dev;
472 int ret = 0; 468 int ret = 0;
473 unsigned long flags;
474 469
475 s = pcmcia_get_socket(s); 470 s = pcmcia_get_socket(s);
476 if (!s) 471 if (!s)
@@ -490,7 +485,7 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info)
490 goto err_put_driver; 485 goto err_put_driver;
491 } 486 }
492 487
493 spin_lock_irqsave(&pcmcia_dev_list_lock, flags); 488 mutex_lock(&s->ops_mutex);
494 list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { 489 list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
495 if (p_dev->func == bind_info->function) { 490 if (p_dev->func == bind_info->function) {
496 if ((p_dev->dev.driver == &p_drv->drv)) { 491 if ((p_dev->dev.driver == &p_drv->drv)) {
@@ -499,7 +494,7 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info)
499 * registered, and it was registered 494 * registered, and it was registered
500 * by userspace before, we need to 495 * by userspace before, we need to
501 * return the "instance". */ 496 * return the "instance". */
502 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 497 mutex_unlock(&s->ops_mutex);
503 bind_info->instance = p_dev; 498 bind_info->instance = p_dev;
504 ret = -EBUSY; 499 ret = -EBUSY;
505 goto err_put_module; 500 goto err_put_module;
@@ -507,7 +502,7 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info)
507 /* the correct driver managed to bind 502 /* the correct driver managed to bind
508 * itself magically to the correct 503 * itself magically to the correct
509 * device. */ 504 * device. */
510 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 505 mutex_unlock(&s->ops_mutex);
511 p_dev->cardmgr = p_drv; 506 p_dev->cardmgr = p_drv;
512 ret = 0; 507 ret = 0;
513 goto err_put_module; 508 goto err_put_module;
@@ -516,12 +511,12 @@ static int bind_request(struct pcmcia_socket *s, bind_info_t *bind_info)
516 /* there's already a device available where 511 /* there's already a device available where
517 * no device has been bound to yet. So we don't 512 * no device has been bound to yet. So we don't
518 * need to register a device! */ 513 * need to register a device! */
519 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 514 mutex_unlock(&s->ops_mutex);
520 goto rescan; 515 goto rescan;
521 } 516 }
522 } 517 }
523 } 518 }
524 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 519 mutex_unlock(&s->ops_mutex);
525 520
526 p_dev = pcmcia_device_add(s, bind_info->function); 521 p_dev = pcmcia_device_add(s, bind_info->function);
527 if (!p_dev) { 522 if (!p_dev) {
@@ -578,7 +573,6 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int
578 dev_node_t *node; 573 dev_node_t *node;
579 struct pcmcia_device *p_dev; 574 struct pcmcia_device *p_dev;
580 struct pcmcia_driver *p_drv; 575 struct pcmcia_driver *p_drv;
581 unsigned long flags;
582 int ret = 0; 576 int ret = 0;
583 577
584#ifdef CONFIG_CARDBUS 578#ifdef CONFIG_CARDBUS
@@ -617,7 +611,7 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int
617 } 611 }
618#endif 612#endif
619 613
620 spin_lock_irqsave(&pcmcia_dev_list_lock, flags); 614 mutex_lock(&s->ops_mutex);
621 list_for_each_entry(p_dev, &s->devices_list, socket_device_list) { 615 list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
622 if (p_dev->func == bind_info->function) { 616 if (p_dev->func == bind_info->function) {
623 p_dev = pcmcia_get_dev(p_dev); 617 p_dev = pcmcia_get_dev(p_dev);
@@ -626,11 +620,11 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int
626 goto found; 620 goto found;
627 } 621 }
628 } 622 }
629 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 623 mutex_unlock(&s->ops_mutex);
630 return -ENODEV; 624 return -ENODEV;
631 625
632 found: 626 found:
633 spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags); 627 mutex_unlock(&s->ops_mutex);
634 628
635 p_drv = to_pcmcia_drv(p_dev->dev.driver); 629 p_drv = to_pcmcia_drv(p_dev->dev.driver);
636 if (p_drv && !p_dev->_locked) { 630 if (p_drv && !p_dev->_locked) {
@@ -931,16 +925,16 @@ static int ds_ioctl(struct inode *inode, struct file *file,
931 ret = pccard_validate_cis(s, &buf->cisinfo.Chains); 925 ret = pccard_validate_cis(s, &buf->cisinfo.Chains);
932 break; 926 break;
933 case DS_SUSPEND_CARD: 927 case DS_SUSPEND_CARD:
934 ret = pcmcia_suspend_card(s); 928 pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
935 break; 929 break;
936 case DS_RESUME_CARD: 930 case DS_RESUME_CARD:
937 ret = pcmcia_resume_card(s); 931 pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
938 break; 932 break;
939 case DS_EJECT_CARD: 933 case DS_EJECT_CARD:
940 err = pcmcia_eject_card(s); 934 pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);
941 break; 935 break;
942 case DS_INSERT_CARD: 936 case DS_INSERT_CARD:
943 err = pcmcia_insert_card(s); 937 pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);
944 break; 938 break;
945 case DS_ACCESS_CONFIGURATION_REGISTER: 939 case DS_ACCESS_CONFIGURATION_REGISTER:
946 if ((buf->conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN)) { 940 if ((buf->conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN)) {
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index d5db95644b64..b2df04199a21 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -43,6 +43,39 @@ module_param(io_speed, int, 0444);
43static u8 pcmcia_used_irq[NR_IRQS]; 43static u8 pcmcia_used_irq[NR_IRQS];
44#endif 44#endif
45 45
46static int pcmcia_adjust_io_region(struct resource *res, unsigned long start,
47 unsigned long end, struct pcmcia_socket *s)
48{
49 if (s->resource_ops->adjust_io_region)
50 return s->resource_ops->adjust_io_region(res, start, end, s);
51 return -ENOMEM;
52}
53
54static struct resource *pcmcia_find_io_region(unsigned long base, int num,
55 unsigned long align,
56 struct pcmcia_socket *s)
57{
58 if (s->resource_ops->find_io)
59 return s->resource_ops->find_io(base, num, align, s);
60 return NULL;
61}
62
63int pcmcia_validate_mem(struct pcmcia_socket *s)
64{
65 if (s->resource_ops->validate_mem)
66 return s->resource_ops->validate_mem(s);
67 /* if there is no callback, we can assume that everything is OK */
68 return 0;
69}
70
71struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align,
72 int low, struct pcmcia_socket *s)
73{
74 if (s->resource_ops->find_mem)
75 return s->resource_ops->find_mem(base, num, align, low, s);
76 return NULL;
77}
78
46 79
47/** alloc_io_space 80/** alloc_io_space
48 * 81 *
@@ -158,14 +191,18 @@ int pcmcia_access_configuration_register(struct pcmcia_device *p_dev,
158 return -EINVAL; 191 return -EINVAL;
159 192
160 s = p_dev->socket; 193 s = p_dev->socket;
194
195 mutex_lock(&s->ops_mutex);
161 c = p_dev->function_config; 196 c = p_dev->function_config;
162 197
163 if (!(c->state & CONFIG_LOCKED)) { 198 if (!(c->state & CONFIG_LOCKED)) {
164 dev_dbg(&s->dev, "Configuration isnt't locked\n"); 199 dev_dbg(&s->dev, "Configuration isnt't locked\n");
200 mutex_unlock(&s->ops_mutex);
165 return -EACCES; 201 return -EACCES;
166 } 202 }
167 203
168 addr = (c->ConfigBase + reg->Offset) >> 1; 204 addr = (c->ConfigBase + reg->Offset) >> 1;
205 mutex_unlock(&s->ops_mutex);
169 206
170 switch (reg->Action) { 207 switch (reg->Action) {
171 case CS_READ: 208 case CS_READ:
@@ -190,6 +227,7 @@ int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t wh,
190 memreq_t *req) 227 memreq_t *req)
191{ 228{
192 struct pcmcia_socket *s = p_dev->socket; 229 struct pcmcia_socket *s = p_dev->socket;
230 int ret;
193 231
194 wh--; 232 wh--;
195 if (wh >= MAX_WIN) 233 if (wh >= MAX_WIN)
@@ -198,12 +236,13 @@ int pcmcia_map_mem_page(struct pcmcia_device *p_dev, window_handle_t wh,
198 dev_dbg(&s->dev, "failure: requested page is zero\n"); 236 dev_dbg(&s->dev, "failure: requested page is zero\n");
199 return -EINVAL; 237 return -EINVAL;
200 } 238 }
239 mutex_lock(&s->ops_mutex);
201 s->win[wh].card_start = req->CardOffset; 240 s->win[wh].card_start = req->CardOffset;
202 if (s->ops->set_mem_map(s, &s->win[wh]) != 0) { 241 ret = s->ops->set_mem_map(s, &s->win[wh]);
203 dev_dbg(&s->dev, "failed to set_mem_map\n"); 242 if (ret)
204 return -EIO; 243 dev_warn(&s->dev, "failed to set_mem_map\n");
205 } 244 mutex_unlock(&s->ops_mutex);
206 return 0; 245 return ret;
207} /* pcmcia_map_mem_page */ 246} /* pcmcia_map_mem_page */
208EXPORT_SYMBOL(pcmcia_map_mem_page); 247EXPORT_SYMBOL(pcmcia_map_mem_page);
209 248
@@ -219,14 +258,18 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
219 config_t *c; 258 config_t *c;
220 259
221 s = p_dev->socket; 260 s = p_dev->socket;
261
262 mutex_lock(&s->ops_mutex);
222 c = p_dev->function_config; 263 c = p_dev->function_config;
223 264
224 if (!(s->state & SOCKET_PRESENT)) { 265 if (!(s->state & SOCKET_PRESENT)) {
225 dev_dbg(&s->dev, "No card present\n"); 266 dev_dbg(&s->dev, "No card present\n");
267 mutex_unlock(&s->ops_mutex);
226 return -ENODEV; 268 return -ENODEV;
227 } 269 }
228 if (!(c->state & CONFIG_LOCKED)) { 270 if (!(c->state & CONFIG_LOCKED)) {
229 dev_dbg(&s->dev, "Configuration isnt't locked\n"); 271 dev_dbg(&s->dev, "Configuration isnt't locked\n");
272 mutex_unlock(&s->ops_mutex);
230 return -EACCES; 273 return -EACCES;
231 } 274 }
232 275
@@ -251,10 +294,12 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
251 (mod->Attributes & CONF_VPP2_CHANGE_VALID)) { 294 (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
252 if (mod->Vpp1 != mod->Vpp2) { 295 if (mod->Vpp1 != mod->Vpp2) {
253 dev_dbg(&s->dev, "Vpp1 and Vpp2 must be the same\n"); 296 dev_dbg(&s->dev, "Vpp1 and Vpp2 must be the same\n");
297 mutex_unlock(&s->ops_mutex);
254 return -EINVAL; 298 return -EINVAL;
255 } 299 }
256 s->socket.Vpp = mod->Vpp1; 300 s->socket.Vpp = mod->Vpp1;
257 if (s->ops->set_socket(s, &s->socket)) { 301 if (s->ops->set_socket(s, &s->socket)) {
302 mutex_unlock(&s->ops_mutex);
258 dev_printk(KERN_WARNING, &s->dev, 303 dev_printk(KERN_WARNING, &s->dev,
259 "Unable to set VPP\n"); 304 "Unable to set VPP\n");
260 return -EIO; 305 return -EIO;
@@ -262,6 +307,7 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
262 } else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) || 307 } else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) ||
263 (mod->Attributes & CONF_VPP2_CHANGE_VALID)) { 308 (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
264 dev_dbg(&s->dev, "changing Vcc is not allowed at this time\n"); 309 dev_dbg(&s->dev, "changing Vcc is not allowed at this time\n");
310 mutex_unlock(&s->ops_mutex);
265 return -EINVAL; 311 return -EINVAL;
266 } 312 }
267 313
@@ -286,6 +332,7 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
286 s->ops->set_io_map(s, &io_on); 332 s->ops->set_io_map(s, &io_on);
287 } 333 }
288 } 334 }
335 mutex_unlock(&s->ops_mutex);
289 336
290 return 0; 337 return 0;
291} /* modify_configuration */ 338} /* modify_configuration */
@@ -296,9 +343,11 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev)
296{ 343{
297 pccard_io_map io = { 0, 0, 0, 0, 1 }; 344 pccard_io_map io = { 0, 0, 0, 0, 1 };
298 struct pcmcia_socket *s = p_dev->socket; 345 struct pcmcia_socket *s = p_dev->socket;
299 config_t *c = p_dev->function_config; 346 config_t *c;
300 int i; 347 int i;
301 348
349 mutex_lock(&s->ops_mutex);
350 c = p_dev->function_config;
302 if (p_dev->_locked) { 351 if (p_dev->_locked) {
303 p_dev->_locked = 0; 352 p_dev->_locked = 0;
304 if (--(s->lock_count) == 0) { 353 if (--(s->lock_count) == 0) {
@@ -321,6 +370,7 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev)
321 s->ops->set_io_map(s, &io); 370 s->ops->set_io_map(s, &io);
322 } 371 }
323 } 372 }
373 mutex_unlock(&s->ops_mutex);
324 374
325 return 0; 375 return 0;
326} /* pcmcia_release_configuration */ 376} /* pcmcia_release_configuration */
@@ -337,10 +387,14 @@ int pcmcia_release_configuration(struct pcmcia_device *p_dev)
337static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req) 387static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req)
338{ 388{
339 struct pcmcia_socket *s = p_dev->socket; 389 struct pcmcia_socket *s = p_dev->socket;
340 config_t *c = p_dev->function_config; 390 int ret = -EINVAL;
391 config_t *c;
392
393 mutex_lock(&s->ops_mutex);
394 c = p_dev->function_config;
341 395
342 if (!p_dev->_io) 396 if (!p_dev->_io)
343 return -EINVAL; 397 goto out;
344 398
345 p_dev->_io = 0; 399 p_dev->_io = 0;
346 400
@@ -348,7 +402,7 @@ static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req)
348 (c->io.NumPorts1 != req->NumPorts1) || 402 (c->io.NumPorts1 != req->NumPorts1) ||
349 (c->io.BasePort2 != req->BasePort2) || 403 (c->io.BasePort2 != req->BasePort2) ||
350 (c->io.NumPorts2 != req->NumPorts2)) 404 (c->io.NumPorts2 != req->NumPorts2))
351 return -EINVAL; 405 goto out;
352 406
353 c->state &= ~CONFIG_IO_REQ; 407 c->state &= ~CONFIG_IO_REQ;
354 408
@@ -356,28 +410,38 @@ static int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req)
356 if (req->NumPorts2) 410 if (req->NumPorts2)
357 release_io_space(s, req->BasePort2, req->NumPorts2); 411 release_io_space(s, req->BasePort2, req->NumPorts2);
358 412
359 return 0; 413out:
414 mutex_unlock(&s->ops_mutex);
415
416 return ret;
360} /* pcmcia_release_io */ 417} /* pcmcia_release_io */
361 418
362 419
363static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req) 420static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req)
364{ 421{
365 struct pcmcia_socket *s = p_dev->socket; 422 struct pcmcia_socket *s = p_dev->socket;
366 config_t *c = p_dev->function_config; 423 config_t *c;
424 int ret = -EINVAL;
425
426 mutex_lock(&s->ops_mutex);
427
428 c = p_dev->function_config;
367 429
368 if (!p_dev->_irq) 430 if (!p_dev->_irq)
369 return -EINVAL; 431 goto out;
432
370 p_dev->_irq = 0; 433 p_dev->_irq = 0;
371 434
372 if (c->state & CONFIG_LOCKED) 435 if (c->state & CONFIG_LOCKED)
373 return -EACCES; 436 goto out;
437
374 if (c->irq.Attributes != req->Attributes) { 438 if (c->irq.Attributes != req->Attributes) {
375 dev_dbg(&s->dev, "IRQ attributes must match assigned ones\n"); 439 dev_dbg(&s->dev, "IRQ attributes must match assigned ones\n");
376 return -EINVAL; 440 goto out;
377 } 441 }
378 if (s->irq.AssignedIRQ != req->AssignedIRQ) { 442 if (s->irq.AssignedIRQ != req->AssignedIRQ) {
379 dev_dbg(&s->dev, "IRQ must match assigned one\n"); 443 dev_dbg(&s->dev, "IRQ must match assigned one\n");
380 return -EINVAL; 444 goto out;
381 } 445 }
382 if (--s->irq.Config == 0) { 446 if (--s->irq.Config == 0) {
383 c->state &= ~CONFIG_IRQ_REQ; 447 c->state &= ~CONFIG_IRQ_REQ;
@@ -390,8 +454,12 @@ static int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req)
390#ifdef CONFIG_PCMCIA_PROBE 454#ifdef CONFIG_PCMCIA_PROBE
391 pcmcia_used_irq[req->AssignedIRQ]--; 455 pcmcia_used_irq[req->AssignedIRQ]--;
392#endif 456#endif
457 ret = 0;
393 458
394 return 0; 459out:
460 mutex_unlock(&s->ops_mutex);
461
462 return ret;
395} /* pcmcia_release_irq */ 463} /* pcmcia_release_irq */
396 464
397 465
@@ -404,10 +472,12 @@ int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh)
404 if (wh >= MAX_WIN) 472 if (wh >= MAX_WIN)
405 return -EINVAL; 473 return -EINVAL;
406 474
475 mutex_lock(&s->ops_mutex);
407 win = &s->win[wh]; 476 win = &s->win[wh];
408 477
409 if (!(p_dev->_win & CLIENT_WIN_REQ(wh))) { 478 if (!(p_dev->_win & CLIENT_WIN_REQ(wh))) {
410 dev_dbg(&s->dev, "not releasing unknown window\n"); 479 dev_dbg(&s->dev, "not releasing unknown window\n");
480 mutex_unlock(&s->ops_mutex);
411 return -EINVAL; 481 return -EINVAL;
412 } 482 }
413 483
@@ -423,6 +493,7 @@ int pcmcia_release_window(struct pcmcia_device *p_dev, window_handle_t wh)
423 win->res = NULL; 493 win->res = NULL;
424 } 494 }
425 p_dev->_win &= ~CLIENT_WIN_REQ(wh); 495 p_dev->_win &= ~CLIENT_WIN_REQ(wh);
496 mutex_unlock(&s->ops_mutex);
426 497
427 return 0; 498 return 0;
428} /* pcmcia_release_window */ 499} /* pcmcia_release_window */
@@ -445,8 +516,11 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev,
445 dev_dbg(&s->dev, "IntType may not be INT_CARDBUS\n"); 516 dev_dbg(&s->dev, "IntType may not be INT_CARDBUS\n");
446 return -EINVAL; 517 return -EINVAL;
447 } 518 }
519
520 mutex_lock(&s->ops_mutex);
448 c = p_dev->function_config; 521 c = p_dev->function_config;
449 if (c->state & CONFIG_LOCKED) { 522 if (c->state & CONFIG_LOCKED) {
523 mutex_unlock(&s->ops_mutex);
450 dev_dbg(&s->dev, "Configuration is locked\n"); 524 dev_dbg(&s->dev, "Configuration is locked\n");
451 return -EACCES; 525 return -EACCES;
452 } 526 }
@@ -454,6 +528,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev,
454 /* Do power control. We don't allow changes in Vcc. */ 528 /* Do power control. We don't allow changes in Vcc. */
455 s->socket.Vpp = req->Vpp; 529 s->socket.Vpp = req->Vpp;
456 if (s->ops->set_socket(s, &s->socket)) { 530 if (s->ops->set_socket(s, &s->socket)) {
531 mutex_unlock(&s->ops_mutex);
457 dev_printk(KERN_WARNING, &s->dev, 532 dev_printk(KERN_WARNING, &s->dev,
458 "Unable to set socket state\n"); 533 "Unable to set socket state\n");
459 return -EINVAL; 534 return -EINVAL;
@@ -476,6 +551,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev,
476 s->socket.io_irq = 0; 551 s->socket.io_irq = 0;
477 s->ops->set_socket(s, &s->socket); 552 s->ops->set_socket(s, &s->socket);
478 s->lock_count++; 553 s->lock_count++;
554 mutex_unlock(&s->ops_mutex);
479 555
480 /* Set up CIS configuration registers */ 556 /* Set up CIS configuration registers */
481 base = c->ConfigBase = req->ConfigBase; 557 base = c->ConfigBase = req->ConfigBase;
@@ -524,6 +600,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev,
524 600
525 /* Configure I/O windows */ 601 /* Configure I/O windows */
526 if (c->state & CONFIG_IO_REQ) { 602 if (c->state & CONFIG_IO_REQ) {
603 mutex_lock(&s->ops_mutex);
527 iomap.speed = io_speed; 604 iomap.speed = io_speed;
528 for (i = 0; i < MAX_IO_WIN; i++) 605 for (i = 0; i < MAX_IO_WIN; i++)
529 if (s->io[i].res) { 606 if (s->io[i].res) {
@@ -542,6 +619,7 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev,
542 s->ops->set_io_map(s, &iomap); 619 s->ops->set_io_map(s, &iomap);
543 s->io[i].Config++; 620 s->io[i].Config++;
544 } 621 }
622 mutex_unlock(&s->ops_mutex);
545 } 623 }
546 624
547 c->state |= CONFIG_LOCKED; 625 c->state |= CONFIG_LOCKED;
@@ -560,54 +638,65 @@ int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req)
560{ 638{
561 struct pcmcia_socket *s = p_dev->socket; 639 struct pcmcia_socket *s = p_dev->socket;
562 config_t *c; 640 config_t *c;
641 int ret = -EINVAL;
642
643 mutex_lock(&s->ops_mutex);
563 644
564 if (!(s->state & SOCKET_PRESENT)) { 645 if (!(s->state & SOCKET_PRESENT)) {
565 dev_dbg(&s->dev, "No card present\n"); 646 dev_dbg(&s->dev, "No card present\n");
566 return -ENODEV; 647 goto out;
567 } 648 }
568 649
569 if (!req) 650 if (!req)
570 return -EINVAL; 651 goto out;
652
571 c = p_dev->function_config; 653 c = p_dev->function_config;
572 if (c->state & CONFIG_LOCKED) { 654 if (c->state & CONFIG_LOCKED) {
573 dev_dbg(&s->dev, "Configuration is locked\n"); 655 dev_dbg(&s->dev, "Configuration is locked\n");
574 return -EACCES; 656 goto out;
575 } 657 }
576 if (c->state & CONFIG_IO_REQ) { 658 if (c->state & CONFIG_IO_REQ) {
577 dev_dbg(&s->dev, "IO already configured\n"); 659 dev_dbg(&s->dev, "IO already configured\n");
578 return -EBUSY; 660 goto out;
579 } 661 }
580 if (req->Attributes1 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS)) { 662 if (req->Attributes1 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS)) {
581 dev_dbg(&s->dev, "bad attribute setting for IO region 1\n"); 663 dev_dbg(&s->dev, "bad attribute setting for IO region 1\n");
582 return -EINVAL; 664 goto out;
583 } 665 }
584 if ((req->NumPorts2 > 0) && 666 if ((req->NumPorts2 > 0) &&
585 (req->Attributes2 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS))) { 667 (req->Attributes2 & (IO_SHARED | IO_FORCE_ALIAS_ACCESS))) {
586 dev_dbg(&s->dev, "bad attribute setting for IO region 2\n"); 668 dev_dbg(&s->dev, "bad attribute setting for IO region 2\n");
587 return -EINVAL; 669 goto out;
588 } 670 }
589 671
590 dev_dbg(&s->dev, "trying to allocate resource 1\n"); 672 dev_dbg(&s->dev, "trying to allocate resource 1\n");
591 if (alloc_io_space(s, req->Attributes1, &req->BasePort1, 673 ret = alloc_io_space(s, req->Attributes1, &req->BasePort1,
592 req->NumPorts1, req->IOAddrLines)) { 674 req->NumPorts1, req->IOAddrLines);
675 if (ret) {
593 dev_dbg(&s->dev, "allocation of resource 1 failed\n"); 676 dev_dbg(&s->dev, "allocation of resource 1 failed\n");
594 return -EBUSY; 677 goto out;
595 } 678 }
596 679
597 if (req->NumPorts2) { 680 if (req->NumPorts2) {
598 dev_dbg(&s->dev, "trying to allocate resource 2\n"); 681 dev_dbg(&s->dev, "trying to allocate resource 2\n");
599 if (alloc_io_space(s, req->Attributes2, &req->BasePort2, 682 ret = alloc_io_space(s, req->Attributes2, &req->BasePort2,
600 req->NumPorts2, req->IOAddrLines)) { 683 req->NumPorts2, req->IOAddrLines);
684 if (ret) {
601 dev_dbg(&s->dev, "allocation of resource 2 failed\n"); 685 dev_dbg(&s->dev, "allocation of resource 2 failed\n");
602 release_io_space(s, req->BasePort1, req->NumPorts1); 686 release_io_space(s, req->BasePort1, req->NumPorts1);
603 return -EBUSY; 687 goto out;
604 } 688 }
605 } 689 }
606 690
607 c->io = *req; 691 c->io = *req;
608 c->state |= CONFIG_IO_REQ; 692 c->state |= CONFIG_IO_REQ;
609 p_dev->_io = 1; 693 p_dev->_io = 1;
610 return 0; 694 dev_dbg(&s->dev, "allocating resources succeeded: %d\n", ret);
695
696out:
697 mutex_unlock(&s->ops_mutex);
698
699 return ret;
611} /* pcmcia_request_io */ 700} /* pcmcia_request_io */
612EXPORT_SYMBOL(pcmcia_request_io); 701EXPORT_SYMBOL(pcmcia_request_io);
613 702
@@ -636,18 +725,20 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
636 int ret = -EINVAL, irq = 0; 725 int ret = -EINVAL, irq = 0;
637 int type; 726 int type;
638 727
728 mutex_lock(&s->ops_mutex);
729
639 if (!(s->state & SOCKET_PRESENT)) { 730 if (!(s->state & SOCKET_PRESENT)) {
640 dev_dbg(&s->dev, "No card present\n"); 731 dev_dbg(&s->dev, "No card present\n");
641 return -ENODEV; 732 goto out;
642 } 733 }
643 c = p_dev->function_config; 734 c = p_dev->function_config;
644 if (c->state & CONFIG_LOCKED) { 735 if (c->state & CONFIG_LOCKED) {
645 dev_dbg(&s->dev, "Configuration is locked\n"); 736 dev_dbg(&s->dev, "Configuration is locked\n");
646 return -EACCES; 737 goto out;
647 } 738 }
648 if (c->state & CONFIG_IRQ_REQ) { 739 if (c->state & CONFIG_IRQ_REQ) {
649 dev_dbg(&s->dev, "IRQ already configured\n"); 740 dev_dbg(&s->dev, "IRQ already configured\n");
650 return -EBUSY; 741 goto out;
651 } 742 }
652 743
653 /* Decide what type of interrupt we are registering */ 744 /* Decide what type of interrupt we are registering */
@@ -708,7 +799,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
708 if (ret && !s->irq.AssignedIRQ) { 799 if (ret && !s->irq.AssignedIRQ) {
709 if (!s->pci_irq) { 800 if (!s->pci_irq) {
710 dev_printk(KERN_INFO, &s->dev, "no IRQ found\n"); 801 dev_printk(KERN_INFO, &s->dev, "no IRQ found\n");
711 return ret; 802 goto out;
712 } 803 }
713 type = IRQF_SHARED; 804 type = IRQF_SHARED;
714 irq = s->pci_irq; 805 irq = s->pci_irq;
@@ -720,7 +811,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
720 if (ret) { 811 if (ret) {
721 dev_printk(KERN_INFO, &s->dev, 812 dev_printk(KERN_INFO, &s->dev,
722 "request_irq() failed\n"); 813 "request_irq() failed\n");
723 return ret; 814 goto out;
724 } 815 }
725 } 816 }
726 817
@@ -743,7 +834,10 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
743 pcmcia_used_irq[irq]++; 834 pcmcia_used_irq[irq]++;
744#endif 835#endif
745 836
746 return 0; 837 ret = 0;
838out:
839 mutex_unlock(&s->ops_mutex);
840 return ret;
747} /* pcmcia_request_irq */ 841} /* pcmcia_request_irq */
748EXPORT_SYMBOL(pcmcia_request_irq); 842EXPORT_SYMBOL(pcmcia_request_irq);
749 843
@@ -796,6 +890,7 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
796 return -EINVAL; 890 return -EINVAL;
797 } 891 }
798 892
893 mutex_lock(&s->ops_mutex);
799 win = &s->win[w]; 894 win = &s->win[w];
800 895
801 if (!(s->features & SS_CAP_STATIC_MAP)) { 896 if (!(s->features & SS_CAP_STATIC_MAP)) {
@@ -803,6 +898,7 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
803 (req->Attributes & WIN_MAP_BELOW_1MB), s); 898 (req->Attributes & WIN_MAP_BELOW_1MB), s);
804 if (!win->res) { 899 if (!win->res) {
805 dev_dbg(&s->dev, "allocating mem region failed\n"); 900 dev_dbg(&s->dev, "allocating mem region failed\n");
901 mutex_unlock(&s->ops_mutex);
806 return -EINVAL; 902 return -EINVAL;
807 } 903 }
808 } 904 }
@@ -821,8 +917,10 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
821 if (req->Attributes & WIN_USE_WAIT) 917 if (req->Attributes & WIN_USE_WAIT)
822 win->flags |= MAP_USE_WAIT; 918 win->flags |= MAP_USE_WAIT;
823 win->card_start = 0; 919 win->card_start = 0;
920
824 if (s->ops->set_mem_map(s, win) != 0) { 921 if (s->ops->set_mem_map(s, win) != 0) {
825 dev_dbg(&s->dev, "failed to set memory mapping\n"); 922 dev_dbg(&s->dev, "failed to set memory mapping\n");
923 mutex_unlock(&s->ops_mutex);
826 return -EIO; 924 return -EIO;
827 } 925 }
828 s->state |= SOCKET_WIN_REQ(w); 926 s->state |= SOCKET_WIN_REQ(w);
@@ -833,6 +931,7 @@ int pcmcia_request_window(struct pcmcia_device *p_dev, win_req_t *req, window_ha
833 else 931 else
834 req->Base = win->res->start; 932 req->Base = win->res->start;
835 933
934 mutex_unlock(&s->ops_mutex);
836 *wh = w + 1; 935 *wh = w + 1;
837 936
838 return 0; 937 return 0;
diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c
index e1741cd875aa..7c204910a777 100644
--- a/drivers/pcmcia/pd6729.c
+++ b/drivers/pcmcia/pd6729.c
@@ -48,23 +48,13 @@ MODULE_AUTHOR("Jun Komuro <komurojun-mbn@nifty.com>");
48 * Specifies the interrupt delivery mode. The default (1) is to use PCI 48 * Specifies the interrupt delivery mode. The default (1) is to use PCI
49 * interrupts; a value of 0 selects ISA interrupts. This must be set for 49 * interrupts; a value of 0 selects ISA interrupts. This must be set for
50 * correct operation of PCI card readers. 50 * correct operation of PCI card readers.
51 *
52 * irq_list=i,j,...
53 * This list limits the set of interrupts that can be used by PCMCIA
54 * cards.
55 * The default list is 3,4,5,7,9,10,11.
56 * (irq_list parameter is not used, if irq_mode = 1)
57 */ 51 */
58 52
59static int irq_mode = 1; /* 0 = ISA interrupt, 1 = PCI interrupt */ 53static int irq_mode = 1; /* 0 = ISA interrupt, 1 = PCI interrupt */
60static int irq_list[16];
61static unsigned int irq_list_count = 0;
62 54
63module_param(irq_mode, int, 0444); 55module_param(irq_mode, int, 0444);
64module_param_array(irq_list, int, &irq_list_count, 0444);
65MODULE_PARM_DESC(irq_mode, 56MODULE_PARM_DESC(irq_mode,
66 "interrupt delivery mode. 0 = ISA, 1 = PCI. default is 1"); 57 "interrupt delivery mode. 0 = ISA, 1 = PCI. default is 1");
67MODULE_PARM_DESC(irq_list, "interrupts that can be used by PCMCIA cards");
68 58
69static DEFINE_SPINLOCK(port_lock); 59static DEFINE_SPINLOCK(port_lock);
70 60
@@ -605,13 +595,7 @@ static u_int __devinit pd6729_isa_scan(void)
605 return 0; 595 return 0;
606 } 596 }
607 597
608 if (irq_list_count == 0) 598 mask0 = PD67_MASK;
609 mask0 = 0xffff;
610 else
611 for (i = mask0 = 0; i < irq_list_count; i++)
612 mask0 |= (1<<irq_list[i]);
613
614 mask0 &= PD67_MASK;
615 599
616 /* just find interrupts that aren't in use */ 600 /* just find interrupts that aren't in use */
617 for (i = 0; i < 16; i++) 601 for (i = 0; i < 16; i++)
diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c
index 52db17263d8b..452c83b512c4 100644
--- a/drivers/pcmcia/rsrc_mgr.c
+++ b/drivers/pcmcia/rsrc_mgr.c
@@ -21,60 +21,12 @@
21#include <pcmcia/cistpl.h> 21#include <pcmcia/cistpl.h>
22#include "cs_internal.h" 22#include "cs_internal.h"
23 23
24
25int pcmcia_validate_mem(struct pcmcia_socket *s)
26{
27 if (s->resource_ops->validate_mem)
28 return s->resource_ops->validate_mem(s);
29 /* if there is no callback, we can assume that everything is OK */
30 return 0;
31}
32EXPORT_SYMBOL(pcmcia_validate_mem);
33
34int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start,
35 unsigned long r_end, struct pcmcia_socket *s)
36{
37 if (s->resource_ops->adjust_io_region)
38 return s->resource_ops->adjust_io_region(res, r_start, r_end, s);
39 return -ENOMEM;
40}
41EXPORT_SYMBOL(pcmcia_adjust_io_region);
42
43struct resource *pcmcia_find_io_region(unsigned long base, int num,
44 unsigned long align, struct pcmcia_socket *s)
45{
46 if (s->resource_ops->find_io)
47 return s->resource_ops->find_io(base, num, align, s);
48 return NULL;
49}
50EXPORT_SYMBOL(pcmcia_find_io_region);
51
52struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align,
53 int low, struct pcmcia_socket *s)
54{
55 if (s->resource_ops->find_mem)
56 return s->resource_ops->find_mem(base, num, align, low, s);
57 return NULL;
58}
59EXPORT_SYMBOL(pcmcia_find_mem_region);
60
61void release_resource_db(struct pcmcia_socket *s)
62{
63 if (s->resource_ops->exit)
64 s->resource_ops->exit(s);
65}
66
67
68static int static_init(struct pcmcia_socket *s) 24static int static_init(struct pcmcia_socket *s)
69{ 25{
70 unsigned long flags;
71
72 /* the good thing about SS_CAP_STATIC_MAP sockets is 26 /* the good thing about SS_CAP_STATIC_MAP sockets is
73 * that they don't need a resource database */ 27 * that they don't need a resource database */
74 28
75 spin_lock_irqsave(&s->lock, flags);
76 s->resource_setup_done = 1; 29 s->resource_setup_done = 1;
77 spin_unlock_irqrestore(&s->lock, flags);
78 30
79 return 0; 31 return 0;
80} 32}
@@ -114,32 +66,32 @@ struct pcmcia_align_data {
114 unsigned long offset; 66 unsigned long offset;
115}; 67};
116 68
117static void pcmcia_align(void *align_data, struct resource *res, 69static resource_size_t pcmcia_align(void *align_data,
118 unsigned long size, unsigned long align) 70 const struct resource *res,
71 resource_size_t size, resource_size_t align)
119{ 72{
120 struct pcmcia_align_data *data = align_data; 73 struct pcmcia_align_data *data = align_data;
121 unsigned long start; 74 resource_size_t start;
122 75
123 start = (res->start & ~data->mask) + data->offset; 76 start = (res->start & ~data->mask) + data->offset;
124 if (start < res->start) 77 if (start < res->start)
125 start += data->mask + 1; 78 start += data->mask + 1;
126 res->start = start;
127 79
128#ifdef CONFIG_X86 80#ifdef CONFIG_X86
129 if (res->flags & IORESOURCE_IO) { 81 if (res->flags & IORESOURCE_IO) {
130 if (start & 0x300) { 82 if (start & 0x300)
131 start = (start + 0x3ff) & ~0x3ff; 83 start = (start + 0x3ff) & ~0x3ff;
132 res->start = start;
133 }
134 } 84 }
135#endif 85#endif
136 86
137#ifdef CONFIG_M68K 87#ifdef CONFIG_M68K
138 if (res->flags & IORESOURCE_IO) { 88 if (res->flags & IORESOURCE_IO) {
139 if ((res->start + size - 1) >= 1024) 89 if ((res->start + size - 1) >= 1024)
140 res->start = res->end; 90 start = res->end;
141 } 91 }
142#endif 92#endif
93
94 return start;
143} 95}
144 96
145 97
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index 9b0dc433a8c3..4663b3fa9f96 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -55,11 +55,10 @@ struct resource_map {
55 55
56struct socket_data { 56struct socket_data {
57 struct resource_map mem_db; 57 struct resource_map mem_db;
58 struct resource_map mem_db_valid;
58 struct resource_map io_db; 59 struct resource_map io_db;
59 unsigned int rsrc_mem_probe;
60}; 60};
61 61
62static DEFINE_MUTEX(rsrc_mutex);
63#define MEM_PROBE_LOW (1 << 0) 62#define MEM_PROBE_LOW (1 << 0)
64#define MEM_PROBE_HIGH (1 << 1) 63#define MEM_PROBE_HIGH (1 << 1)
65 64
@@ -125,8 +124,10 @@ static int add_interval(struct resource_map *map, u_long base, u_long num)
125 struct resource_map *p, *q; 124 struct resource_map *p, *q;
126 125
127 for (p = map; ; p = p->next) { 126 for (p = map; ; p = p->next) {
128 if ((p != map) && (p->base+p->num-1 >= base)) 127 if ((p != map) && (p->base+p->num >= base)) {
129 return -1; 128 p->num = max(num + base - p->base, p->num);
129 return 0;
130 }
130 if ((p->next == map) || (p->next->base > base+num-1)) 131 if ((p->next == map) || (p->next->base > base+num-1))
131 break; 132 break;
132 } 133 }
@@ -264,36 +265,44 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base,
264} 265}
265#endif 266#endif
266 267
267/*====================================================================== 268/*======================================================================*/
268
269 This is tricky... when we set up CIS memory, we try to validate
270 the memory window space allocations.
271
272======================================================================*/
273 269
274/* Validation function for cards with a valid CIS */ 270/**
271 * readable() - iomem validation function for cards with a valid CIS
272 */
275static int readable(struct pcmcia_socket *s, struct resource *res, 273static int readable(struct pcmcia_socket *s, struct resource *res,
276 unsigned int *count) 274 unsigned int *count)
277{ 275{
278 int ret = -1; 276 int ret = -EINVAL;
277
278 if (s->fake_cis) {
279 dev_dbg(&s->dev, "fake CIS is being used: can't validate mem\n");
280 return 0;
281 }
279 282
280 s->cis_mem.res = res; 283 s->cis_mem.res = res;
281 s->cis_virt = ioremap(res->start, s->map_size); 284 s->cis_virt = ioremap(res->start, s->map_size);
282 if (s->cis_virt) { 285 if (s->cis_virt) {
283 ret = pccard_validate_cis(s, count); 286 mutex_unlock(&s->ops_mutex);
284 /* invalidate mapping and CIS cache */ 287 /* as we're only called from pcmcia.c, we're safe */
288 if (s->callback->validate)
289 ret = s->callback->validate(s, count);
290 /* invalidate mapping */
291 mutex_lock(&s->ops_mutex);
285 iounmap(s->cis_virt); 292 iounmap(s->cis_virt);
286 s->cis_virt = NULL; 293 s->cis_virt = NULL;
287 destroy_cis_cache(s);
288 } 294 }
289 s->cis_mem.res = NULL; 295 s->cis_mem.res = NULL;
290 if ((ret != 0) || (*count == 0)) 296 if ((ret) || (*count == 0))
291 return 0; 297 return -EINVAL;
292 return 1; 298 return 0;
293} 299}
294 300
295/* Validation function for simple memory cards */ 301/**
296static int checksum(struct pcmcia_socket *s, struct resource *res) 302 * checksum() - iomem validation function for simple memory cards
303 */
304static int checksum(struct pcmcia_socket *s, struct resource *res,
305 unsigned int *value)
297{ 306{
298 pccard_mem_map map; 307 pccard_mem_map map;
299 int i, a = 0, b = -1, d; 308 int i, a = 0, b = -1, d;
@@ -321,61 +330,90 @@ static int checksum(struct pcmcia_socket *s, struct resource *res)
321 iounmap(virt); 330 iounmap(virt);
322 } 331 }
323 332
324 return (b == -1) ? -1 : (a>>1); 333 if (b == -1)
334 return -EINVAL;
335
336 *value = a;
337
338 return 0;
325} 339}
326 340
327static int 341/**
328cis_readable(struct pcmcia_socket *s, unsigned long base, unsigned long size) 342 * do_validate_mem() - low level validate a memory region for PCMCIA use
343 * @s: PCMCIA socket to validate
344 * @base: start address of resource to check
345 * @size: size of resource to check
346 * @validate: validation function to use
347 *
348 * do_validate_mem() splits up the memory region which is to be checked
349 * into two parts. Both are passed to the @validate() function. If
350 * @validate() returns non-zero, or the value parameter to @validate()
351 * is zero, or the value parameter is different between both calls,
352 * the check fails, and -EINVAL is returned. Else, 0 is returned.
353 */
354static int do_validate_mem(struct pcmcia_socket *s,
355 unsigned long base, unsigned long size,
356 int validate (struct pcmcia_socket *s,
357 struct resource *res,
358 unsigned int *value))
329{ 359{
360 struct socket_data *s_data = s->resource_data;
330 struct resource *res1, *res2; 361 struct resource *res1, *res2;
331 unsigned int info1, info2; 362 unsigned int info1 = 1, info2 = 1;
332 int ret = 0; 363 int ret = -EINVAL;
333 364
334 res1 = claim_region(s, base, size/2, IORESOURCE_MEM, "PCMCIA memprobe"); 365 res1 = claim_region(s, base, size/2, IORESOURCE_MEM, "PCMCIA memprobe");
335 res2 = claim_region(s, base + size/2, size/2, IORESOURCE_MEM, 366 res2 = claim_region(s, base + size/2, size/2, IORESOURCE_MEM,
336 "PCMCIA memprobe"); 367 "PCMCIA memprobe");
337 368
338 if (res1 && res2) { 369 if (res1 && res2) {
339 ret = readable(s, res1, &info1); 370 ret = 0;
340 ret += readable(s, res2, &info2); 371 if (validate) {
372 ret = validate(s, res1, &info1);
373 ret += validate(s, res2, &info2);
374 }
341 } 375 }
342 376
343 free_region(res2); 377 free_region(res2);
344 free_region(res1); 378 free_region(res1);
345 379
346 return (ret == 2) && (info1 == info2); 380 dev_dbg(&s->dev, "cs: memory probe 0x%06lx-0x%06lx: %p %p %u %u %u",
347} 381 base, base+size-1, res1, res2, ret, info1, info2);
348
349static int
350checksum_match(struct pcmcia_socket *s, unsigned long base, unsigned long size)
351{
352 struct resource *res1, *res2;
353 int a = -1, b = -1;
354 382
355 res1 = claim_region(s, base, size/2, IORESOURCE_MEM, "PCMCIA memprobe"); 383 if ((ret) || (info1 != info2) || (info1 == 0))
356 res2 = claim_region(s, base + size/2, size/2, IORESOURCE_MEM, 384 return -EINVAL;
357 "PCMCIA memprobe");
358 385
359 if (res1 && res2) { 386 if (validate && !s->fake_cis) {
360 a = checksum(s, res1); 387 /* move it to the validated data set */
361 b = checksum(s, res2); 388 add_interval(&s_data->mem_db_valid, base, size);
389 sub_interval(&s_data->mem_db, base, size);
362 } 390 }
363 391
364 free_region(res2); 392 return 0;
365 free_region(res1);
366
367 return (a == b) && (a >= 0);
368} 393}
369 394
370/*======================================================================
371
372 The memory probe. If the memory list includes a 64K-aligned block
373 below 1MB, we probe in 64K chunks, and as soon as we accumulate at
374 least mem_limit free space, we quit.
375 395
376======================================================================*/ 396/**
377 397 * do_mem_probe() - validate a memory region for PCMCIA use
378static int do_mem_probe(u_long base, u_long num, struct pcmcia_socket *s) 398 * @s: PCMCIA socket to validate
399 * @base: start address of resource to check
400 * @num: size of resource to check
401 * @validate: validation function to use
402 * @fallback: validation function to use if validate fails
403 *
404 * do_mem_probe() checks a memory region for use by the PCMCIA subsystem.
405 * To do so, the area is split up into sensible parts, and then passed
406 * into the @validate() function. Only if @validate() and @fallback() fail,
407 * the area is marked as unavaibale for use by the PCMCIA subsystem. The
408 * function returns the size of the usable memory area.
409 */
410static int do_mem_probe(struct pcmcia_socket *s, u_long base, u_long num,
411 int validate (struct pcmcia_socket *s,
412 struct resource *res,
413 unsigned int *value),
414 int fallback (struct pcmcia_socket *s,
415 struct resource *res,
416 unsigned int *value))
379{ 417{
380 struct socket_data *s_data = s->resource_data; 418 struct socket_data *s_data = s->resource_data;
381 u_long i, j, bad, fail, step; 419 u_long i, j, bad, fail, step;
@@ -393,15 +431,14 @@ static int do_mem_probe(u_long base, u_long num, struct pcmcia_socket *s)
393 for (i = j = base; i < base+num; i = j + step) { 431 for (i = j = base; i < base+num; i = j + step) {
394 if (!fail) { 432 if (!fail) {
395 for (j = i; j < base+num; j += step) { 433 for (j = i; j < base+num; j += step) {
396 if (cis_readable(s, j, step)) 434 if (!do_validate_mem(s, j, step, validate))
397 break; 435 break;
398 } 436 }
399 fail = ((i == base) && (j == base+num)); 437 fail = ((i == base) && (j == base+num));
400 } 438 }
401 if (fail) { 439 if ((fail) && (fallback)) {
402 for (j = i; j < base+num; j += 2*step) 440 for (j = i; j < base+num; j += step)
403 if (checksum_match(s, j, step) && 441 if (!do_validate_mem(s, j, step, fallback))
404 checksum_match(s, j + step, step))
405 break; 442 break;
406 } 443 }
407 if (i != j) { 444 if (i != j) {
@@ -416,8 +453,14 @@ static int do_mem_probe(u_long base, u_long num, struct pcmcia_socket *s)
416 return num - bad; 453 return num - bad;
417} 454}
418 455
456
419#ifdef CONFIG_PCMCIA_PROBE 457#ifdef CONFIG_PCMCIA_PROBE
420 458
459/**
460 * inv_probe() - top-to-bottom search for one usuable high memory area
461 * @s: PCMCIA socket to validate
462 * @m: resource_map to check
463 */
421static u_long inv_probe(struct resource_map *m, struct pcmcia_socket *s) 464static u_long inv_probe(struct resource_map *m, struct pcmcia_socket *s)
422{ 465{
423 struct socket_data *s_data = s->resource_data; 466 struct socket_data *s_data = s->resource_data;
@@ -432,9 +475,18 @@ static u_long inv_probe(struct resource_map *m, struct pcmcia_socket *s)
432 } 475 }
433 if (m->base < 0x100000) 476 if (m->base < 0x100000)
434 return 0; 477 return 0;
435 return do_mem_probe(m->base, m->num, s); 478 return do_mem_probe(s, m->base, m->num, readable, checksum);
436} 479}
437 480
481/**
482 * validate_mem() - memory probe function
483 * @s: PCMCIA socket to validate
484 * @probe_mask: MEM_PROBE_LOW | MEM_PROBE_HIGH
485 *
486 * The memory probe. If the memory list includes a 64K-aligned block
487 * below 1MB, we probe in 64K chunks, and as soon as we accumulate at
488 * least mem_limit free space, we quit. Returns 0 on usuable ports.
489 */
438static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) 490static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask)
439{ 491{
440 struct resource_map *m, mm; 492 struct resource_map *m, mm;
@@ -446,6 +498,8 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask)
446 if (probe_mask & MEM_PROBE_HIGH) { 498 if (probe_mask & MEM_PROBE_HIGH) {
447 if (inv_probe(s_data->mem_db.next, s) > 0) 499 if (inv_probe(s_data->mem_db.next, s) > 0)
448 return 0; 500 return 0;
501 if (s_data->mem_db_valid.next != &s_data->mem_db_valid)
502 return 0;
449 dev_printk(KERN_NOTICE, &s->dev, 503 dev_printk(KERN_NOTICE, &s->dev,
450 "cs: warning: no high memory space available!\n"); 504 "cs: warning: no high memory space available!\n");
451 return -ENODEV; 505 return -ENODEV;
@@ -457,7 +511,8 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask)
457 if (mm.base >= 0x100000) 511 if (mm.base >= 0x100000)
458 continue; 512 continue;
459 if ((mm.base | mm.num) & 0xffff) { 513 if ((mm.base | mm.num) & 0xffff) {
460 ok += do_mem_probe(mm.base, mm.num, s); 514 ok += do_mem_probe(s, mm.base, mm.num, readable,
515 checksum);
461 continue; 516 continue;
462 } 517 }
463 /* Special probe for 64K-aligned block */ 518 /* Special probe for 64K-aligned block */
@@ -467,7 +522,8 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask)
467 if (ok >= mem_limit) 522 if (ok >= mem_limit)
468 sub_interval(&s_data->mem_db, b, 0x10000); 523 sub_interval(&s_data->mem_db, b, 0x10000);
469 else 524 else
470 ok += do_mem_probe(b, 0x10000, s); 525 ok += do_mem_probe(s, b, 0x10000,
526 readable, checksum);
471 } 527 }
472 } 528 }
473 } 529 }
@@ -480,6 +536,13 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask)
480 536
481#else /* CONFIG_PCMCIA_PROBE */ 537#else /* CONFIG_PCMCIA_PROBE */
482 538
539/**
540 * validate_mem() - memory probe function
541 * @s: PCMCIA socket to validate
542 * @probe_mask: ignored
543 *
544 * Returns 0 on usuable ports.
545 */
483static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask) 546static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask)
484{ 547{
485 struct resource_map *m, mm; 548 struct resource_map *m, mm;
@@ -488,7 +551,7 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask)
488 551
489 for (m = s_data->mem_db.next; m != &s_data->mem_db; m = mm.next) { 552 for (m = s_data->mem_db.next; m != &s_data->mem_db; m = mm.next) {
490 mm = *m; 553 mm = *m;
491 ok += do_mem_probe(mm.base, mm.num, s); 554 ok += do_mem_probe(s, mm.base, mm.num, readable, checksum);
492 } 555 }
493 if (ok > 0) 556 if (ok > 0)
494 return 0; 557 return 0;
@@ -498,31 +561,31 @@ static int validate_mem(struct pcmcia_socket *s, unsigned int probe_mask)
498#endif /* CONFIG_PCMCIA_PROBE */ 561#endif /* CONFIG_PCMCIA_PROBE */
499 562
500 563
501/* 564/**
565 * pcmcia_nonstatic_validate_mem() - try to validate iomem for PCMCIA use
566 * @s: PCMCIA socket to validate
567 *
568 * This is tricky... when we set up CIS memory, we try to validate
569 * the memory window space allocations.
570 *
502 * Locking note: Must be called with skt_mutex held! 571 * Locking note: Must be called with skt_mutex held!
503 */ 572 */
504static int pcmcia_nonstatic_validate_mem(struct pcmcia_socket *s) 573static int pcmcia_nonstatic_validate_mem(struct pcmcia_socket *s)
505{ 574{
506 struct socket_data *s_data = s->resource_data; 575 struct socket_data *s_data = s->resource_data;
507 unsigned int probe_mask = MEM_PROBE_LOW; 576 unsigned int probe_mask = MEM_PROBE_LOW;
508 int ret = 0; 577 int ret;
509 578
510 if (!probe_mem) 579 if (!probe_mem || !(s->state & SOCKET_PRESENT))
511 return 0; 580 return 0;
512 581
513 mutex_lock(&rsrc_mutex);
514
515 if (s->features & SS_CAP_PAGE_REGS) 582 if (s->features & SS_CAP_PAGE_REGS)
516 probe_mask = MEM_PROBE_HIGH; 583 probe_mask = MEM_PROBE_HIGH;
517 584
518 if (probe_mask & ~s_data->rsrc_mem_probe) { 585 ret = validate_mem(s, probe_mask);
519 if (s->state & SOCKET_PRESENT)
520 ret = validate_mem(s, probe_mask);
521 if (!ret)
522 s_data->rsrc_mem_probe |= probe_mask;
523 }
524 586
525 mutex_unlock(&rsrc_mutex); 587 if (s_data->mem_db_valid.next != &s_data->mem_db_valid)
588 return 0;
526 589
527 return ret; 590 return ret;
528} 591}
@@ -533,8 +596,8 @@ struct pcmcia_align_data {
533 struct resource_map *map; 596 struct resource_map *map;
534}; 597};
535 598
536static void 599static resource_size_t
537pcmcia_common_align(void *align_data, struct resource *res, 600pcmcia_common_align(void *align_data, const struct resource *res,
538 resource_size_t size, resource_size_t align) 601 resource_size_t size, resource_size_t align)
539{ 602{
540 struct pcmcia_align_data *data = align_data; 603 struct pcmcia_align_data *data = align_data;
@@ -545,17 +608,18 @@ pcmcia_common_align(void *align_data, struct resource *res,
545 start = (res->start & ~data->mask) + data->offset; 608 start = (res->start & ~data->mask) + data->offset;
546 if (start < res->start) 609 if (start < res->start)
547 start += data->mask + 1; 610 start += data->mask + 1;
548 res->start = start; 611 return start;
549} 612}
550 613
551static void 614static resource_size_t
552pcmcia_align(void *align_data, struct resource *res, resource_size_t size, 615pcmcia_align(void *align_data, const struct resource *res,
553 resource_size_t align) 616 resource_size_t size, resource_size_t align)
554{ 617{
555 struct pcmcia_align_data *data = align_data; 618 struct pcmcia_align_data *data = align_data;
556 struct resource_map *m; 619 struct resource_map *m;
620 resource_size_t start;
557 621
558 pcmcia_common_align(data, res, size, align); 622 start = pcmcia_common_align(data, res, size, align);
559 623
560 for (m = data->map->next; m != data->map; m = m->next) { 624 for (m = data->map->next; m != data->map; m = m->next) {
561 unsigned long start = m->base; 625 unsigned long start = m->base;
@@ -567,8 +631,7 @@ pcmcia_align(void *align_data, struct resource *res, resource_size_t size,
567 * fit here. 631 * fit here.
568 */ 632 */
569 if (res->start < start) { 633 if (res->start < start) {
570 res->start = start; 634 start = pcmcia_common_align(data, res, size, align);
571 pcmcia_common_align(data, res, size, align);
572 } 635 }
573 636
574 /* 637 /*
@@ -586,7 +649,9 @@ pcmcia_align(void *align_data, struct resource *res, resource_size_t size,
586 * If we failed to find something suitable, ensure we fail. 649 * If we failed to find something suitable, ensure we fail.
587 */ 650 */
588 if (m == data->map) 651 if (m == data->map)
589 res->start = res->end; 652 start = res->end;
653
654 return start;
590} 655}
591 656
592/* 657/*
@@ -600,7 +665,6 @@ static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_star
600 struct socket_data *s_data = s->resource_data; 665 struct socket_data *s_data = s->resource_data;
601 int ret = -ENOMEM; 666 int ret = -ENOMEM;
602 667
603 mutex_lock(&rsrc_mutex);
604 for (m = s_data->io_db.next; m != &s_data->io_db; m = m->next) { 668 for (m = s_data->io_db.next; m != &s_data->io_db; m = m->next) {
605 unsigned long start = m->base; 669 unsigned long start = m->base;
606 unsigned long end = m->base + m->num - 1; 670 unsigned long end = m->base + m->num - 1;
@@ -611,7 +675,6 @@ static int nonstatic_adjust_io_region(struct resource *res, unsigned long r_star
611 ret = adjust_resource(res, r_start, r_end - r_start + 1); 675 ret = adjust_resource(res, r_start, r_end - r_start + 1);
612 break; 676 break;
613 } 677 }
614 mutex_unlock(&rsrc_mutex);
615 678
616 return ret; 679 return ret;
617} 680}
@@ -645,7 +708,6 @@ static struct resource *nonstatic_find_io_region(unsigned long base, int num,
645 data.offset = base & data.mask; 708 data.offset = base & data.mask;
646 data.map = &s_data->io_db; 709 data.map = &s_data->io_db;
647 710
648 mutex_lock(&rsrc_mutex);
649#ifdef CONFIG_PCI 711#ifdef CONFIG_PCI
650 if (s->cb_dev) { 712 if (s->cb_dev) {
651 ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1, 713 ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1,
@@ -654,7 +716,6 @@ static struct resource *nonstatic_find_io_region(unsigned long base, int num,
654#endif 716#endif
655 ret = allocate_resource(&ioport_resource, res, num, min, ~0UL, 717 ret = allocate_resource(&ioport_resource, res, num, min, ~0UL,
656 1, pcmcia_align, &data); 718 1, pcmcia_align, &data);
657 mutex_unlock(&rsrc_mutex);
658 719
659 if (ret != 0) { 720 if (ret != 0) {
660 kfree(res); 721 kfree(res);
@@ -670,15 +731,15 @@ static struct resource *nonstatic_find_mem_region(u_long base, u_long num,
670 struct socket_data *s_data = s->resource_data; 731 struct socket_data *s_data = s->resource_data;
671 struct pcmcia_align_data data; 732 struct pcmcia_align_data data;
672 unsigned long min, max; 733 unsigned long min, max;
673 int ret, i; 734 int ret, i, j;
674 735
675 low = low || !(s->features & SS_CAP_PAGE_REGS); 736 low = low || !(s->features & SS_CAP_PAGE_REGS);
676 737
677 data.mask = align - 1; 738 data.mask = align - 1;
678 data.offset = base & data.mask; 739 data.offset = base & data.mask;
679 data.map = &s_data->mem_db;
680 740
681 for (i = 0; i < 2; i++) { 741 for (i = 0; i < 2; i++) {
742 data.map = &s_data->mem_db_valid;
682 if (low) { 743 if (low) {
683 max = 0x100000UL; 744 max = 0x100000UL;
684 min = base < max ? base : 0; 745 min = base < max ? base : 0;
@@ -687,17 +748,23 @@ static struct resource *nonstatic_find_mem_region(u_long base, u_long num,
687 min = 0x100000UL + base; 748 min = 0x100000UL + base;
688 } 749 }
689 750
690 mutex_lock(&rsrc_mutex); 751 for (j = 0; j < 2; j++) {
691#ifdef CONFIG_PCI 752#ifdef CONFIG_PCI
692 if (s->cb_dev) { 753 if (s->cb_dev) {
693 ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 754 ret = pci_bus_alloc_resource(s->cb_dev->bus,
694 1, min, 0, 755 res, num, 1, min, 0,
695 pcmcia_align, &data); 756 pcmcia_align, &data);
696 } else 757 } else
697#endif 758#endif
698 ret = allocate_resource(&iomem_resource, res, num, min, 759 {
699 max, 1, pcmcia_align, &data); 760 ret = allocate_resource(&iomem_resource,
700 mutex_unlock(&rsrc_mutex); 761 res, num, min, max, 1,
762 pcmcia_align, &data);
763 }
764 if (ret == 0)
765 break;
766 data.map = &s_data->mem_db;
767 }
701 if (ret == 0 || low) 768 if (ret == 0 || low)
702 break; 769 break;
703 low = 1; 770 low = 1;
@@ -720,25 +787,18 @@ static int adjust_memory(struct pcmcia_socket *s, unsigned int action, unsigned
720 if (end < start) 787 if (end < start)
721 return -EINVAL; 788 return -EINVAL;
722 789
723 mutex_lock(&rsrc_mutex);
724 switch (action) { 790 switch (action) {
725 case ADD_MANAGED_RESOURCE: 791 case ADD_MANAGED_RESOURCE:
726 ret = add_interval(&data->mem_db, start, size); 792 ret = add_interval(&data->mem_db, start, size);
793 if (!ret)
794 do_mem_probe(s, start, size, NULL, NULL);
727 break; 795 break;
728 case REMOVE_MANAGED_RESOURCE: 796 case REMOVE_MANAGED_RESOURCE:
729 ret = sub_interval(&data->mem_db, start, size); 797 ret = sub_interval(&data->mem_db, start, size);
730 if (!ret) {
731 struct pcmcia_socket *socket;
732 down_read(&pcmcia_socket_list_rwsem);
733 list_for_each_entry(socket, &pcmcia_socket_list, socket_list)
734 release_cis_mem(socket);
735 up_read(&pcmcia_socket_list_rwsem);
736 }
737 break; 798 break;
738 default: 799 default:
739 ret = -EINVAL; 800 ret = -EINVAL;
740 } 801 }
741 mutex_unlock(&rsrc_mutex);
742 802
743 return ret; 803 return ret;
744} 804}
@@ -756,7 +816,6 @@ static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long
756 if (end > IO_SPACE_LIMIT) 816 if (end > IO_SPACE_LIMIT)
757 return -EINVAL; 817 return -EINVAL;
758 818
759 mutex_lock(&rsrc_mutex);
760 switch (action) { 819 switch (action) {
761 case ADD_MANAGED_RESOURCE: 820 case ADD_MANAGED_RESOURCE:
762 if (add_interval(&data->io_db, start, size) != 0) { 821 if (add_interval(&data->io_db, start, size) != 0) {
@@ -775,7 +834,6 @@ static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long
775 ret = -EINVAL; 834 ret = -EINVAL;
776 break; 835 break;
777 } 836 }
778 mutex_unlock(&rsrc_mutex);
779 837
780 return ret; 838 return ret;
781} 839}
@@ -801,8 +859,7 @@ static int nonstatic_autoadd_resources(struct pcmcia_socket *s)
801 return -EINVAL; 859 return -EINVAL;
802#endif 860#endif
803 861
804 for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { 862 pci_bus_for_each_resource(s->cb_dev->bus, res, i) {
805 res = s->cb_dev->bus->resource[i];
806 if (!res) 863 if (!res)
807 continue; 864 continue;
808 865
@@ -859,6 +916,7 @@ static int nonstatic_init(struct pcmcia_socket *s)
859 return -ENOMEM; 916 return -ENOMEM;
860 917
861 data->mem_db.next = &data->mem_db; 918 data->mem_db.next = &data->mem_db;
919 data->mem_db_valid.next = &data->mem_db_valid;
862 data->io_db.next = &data->io_db; 920 data->io_db.next = &data->io_db;
863 921
864 s->resource_data = (void *) data; 922 s->resource_data = (void *) data;
@@ -873,7 +931,10 @@ static void nonstatic_release_resource_db(struct pcmcia_socket *s)
873 struct socket_data *data = s->resource_data; 931 struct socket_data *data = s->resource_data;
874 struct resource_map *p, *q; 932 struct resource_map *p, *q;
875 933
876 mutex_lock(&rsrc_mutex); 934 for (p = data->mem_db_valid.next; p != &data->mem_db_valid; p = q) {
935 q = p->next;
936 kfree(p);
937 }
877 for (p = data->mem_db.next; p != &data->mem_db; p = q) { 938 for (p = data->mem_db.next; p != &data->mem_db; p = q) {
878 q = p->next; 939 q = p->next;
879 kfree(p); 940 kfree(p);
@@ -882,7 +943,6 @@ static void nonstatic_release_resource_db(struct pcmcia_socket *s)
882 q = p->next; 943 q = p->next;
883 kfree(p); 944 kfree(p);
884 } 945 }
885 mutex_unlock(&rsrc_mutex);
886} 946}
887 947
888 948
@@ -909,7 +969,7 @@ static ssize_t show_io_db(struct device *dev,
909 struct resource_map *p; 969 struct resource_map *p;
910 ssize_t ret = 0; 970 ssize_t ret = 0;
911 971
912 mutex_lock(&rsrc_mutex); 972 mutex_lock(&s->ops_mutex);
913 data = s->resource_data; 973 data = s->resource_data;
914 974
915 for (p = data->io_db.next; p != &data->io_db; p = p->next) { 975 for (p = data->io_db.next; p != &data->io_db; p = p->next) {
@@ -921,7 +981,7 @@ static ssize_t show_io_db(struct device *dev,
921 ((unsigned long) p->base + p->num - 1)); 981 ((unsigned long) p->base + p->num - 1));
922 } 982 }
923 983
924 mutex_unlock(&rsrc_mutex); 984 mutex_unlock(&s->ops_mutex);
925 return ret; 985 return ret;
926} 986}
927 987
@@ -949,9 +1009,11 @@ static ssize_t store_io_db(struct device *dev,
949 if (end_addr < start_addr) 1009 if (end_addr < start_addr)
950 return -EINVAL; 1010 return -EINVAL;
951 1011
1012 mutex_lock(&s->ops_mutex);
952 ret = adjust_io(s, add, start_addr, end_addr); 1013 ret = adjust_io(s, add, start_addr, end_addr);
953 if (!ret) 1014 if (!ret)
954 s->resource_setup_new = 1; 1015 s->resource_setup_new = 1;
1016 mutex_unlock(&s->ops_mutex);
955 1017
956 return ret ? ret : count; 1018 return ret ? ret : count;
957} 1019}
@@ -965,9 +1027,19 @@ static ssize_t show_mem_db(struct device *dev,
965 struct resource_map *p; 1027 struct resource_map *p;
966 ssize_t ret = 0; 1028 ssize_t ret = 0;
967 1029
968 mutex_lock(&rsrc_mutex); 1030 mutex_lock(&s->ops_mutex);
969 data = s->resource_data; 1031 data = s->resource_data;
970 1032
1033 for (p = data->mem_db_valid.next; p != &data->mem_db_valid;
1034 p = p->next) {
1035 if (ret > (PAGE_SIZE - 10))
1036 continue;
1037 ret += snprintf(&buf[ret], (PAGE_SIZE - ret - 1),
1038 "0x%08lx - 0x%08lx\n",
1039 ((unsigned long) p->base),
1040 ((unsigned long) p->base + p->num - 1));
1041 }
1042
971 for (p = data->mem_db.next; p != &data->mem_db; p = p->next) { 1043 for (p = data->mem_db.next; p != &data->mem_db; p = p->next) {
972 if (ret > (PAGE_SIZE - 10)) 1044 if (ret > (PAGE_SIZE - 10))
973 continue; 1045 continue;
@@ -977,7 +1049,7 @@ static ssize_t show_mem_db(struct device *dev,
977 ((unsigned long) p->base + p->num - 1)); 1049 ((unsigned long) p->base + p->num - 1));
978 } 1050 }
979 1051
980 mutex_unlock(&rsrc_mutex); 1052 mutex_unlock(&s->ops_mutex);
981 return ret; 1053 return ret;
982} 1054}
983 1055
@@ -1005,9 +1077,11 @@ static ssize_t store_mem_db(struct device *dev,
1005 if (end_addr < start_addr) 1077 if (end_addr < start_addr)
1006 return -EINVAL; 1078 return -EINVAL;
1007 1079
1080 mutex_lock(&s->ops_mutex);
1008 ret = adjust_memory(s, add, start_addr, end_addr); 1081 ret = adjust_memory(s, add, start_addr, end_addr);
1009 if (!ret) 1082 if (!ret)
1010 s->resource_setup_new = 1; 1083 s->resource_setup_new = 1;
1084 mutex_unlock(&s->ops_mutex);
1011 1085
1012 return ret ? ret : count; 1086 return ret ? ret : count;
1013} 1087}
diff --git a/drivers/pcmcia/socket_sysfs.c b/drivers/pcmcia/socket_sysfs.c
index 7a456000332a..08278016e58d 100644
--- a/drivers/pcmcia/socket_sysfs.c
+++ b/drivers/pcmcia/socket_sysfs.c
@@ -88,15 +88,14 @@ static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);
88static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr, 88static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr,
89 const char *buf, size_t count) 89 const char *buf, size_t count)
90{ 90{
91 ssize_t ret;
92 struct pcmcia_socket *s = to_socket(dev); 91 struct pcmcia_socket *s = to_socket(dev);
93 92
94 if (!count) 93 if (!count)
95 return -EINVAL; 94 return -EINVAL;
96 95
97 ret = pcmcia_insert_card(s); 96 pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);
98 97
99 return ret ? ret : count; 98 return count;
100} 99}
101static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert); 100static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
102 101
@@ -113,18 +112,22 @@ static ssize_t pccard_store_card_pm_state(struct device *dev,
113 struct device_attribute *attr, 112 struct device_attribute *attr,
114 const char *buf, size_t count) 113 const char *buf, size_t count)
115{ 114{
116 ssize_t ret = -EINVAL;
117 struct pcmcia_socket *s = to_socket(dev); 115 struct pcmcia_socket *s = to_socket(dev);
116 ssize_t ret = count;
118 117
119 if (!count) 118 if (!count)
120 return -EINVAL; 119 return -EINVAL;
121 120
122 if (!(s->state & SOCKET_SUSPEND) && !strncmp(buf, "off", 3)) 121 if (!strncmp(buf, "off", 3))
123 ret = pcmcia_suspend_card(s); 122 pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
124 else if ((s->state & SOCKET_SUSPEND) && !strncmp(buf, "on", 2)) 123 else {
125 ret = pcmcia_resume_card(s); 124 if (!strncmp(buf, "on", 2))
125 pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
126 else
127 ret = -EINVAL;
128 }
126 129
127 return ret ? -ENODEV : count; 130 return ret;
128} 131}
129static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state); 132static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state);
130 133
@@ -132,15 +135,14 @@ static ssize_t pccard_store_eject(struct device *dev,
132 struct device_attribute *attr, 135 struct device_attribute *attr,
133 const char *buf, size_t count) 136 const char *buf, size_t count)
134{ 137{
135 ssize_t ret;
136 struct pcmcia_socket *s = to_socket(dev); 138 struct pcmcia_socket *s = to_socket(dev);
137 139
138 if (!count) 140 if (!count)
139 return -EINVAL; 141 return -EINVAL;
140 142
141 ret = pcmcia_eject_card(s); 143 pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);
142 144
143 return ret ? ret : count; 145 return count;
144} 146}
145static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject); 147static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
146 148
@@ -167,7 +169,9 @@ static ssize_t pccard_store_irq_mask(struct device *dev,
167 ret = sscanf(buf, "0x%x\n", &mask); 169 ret = sscanf(buf, "0x%x\n", &mask);
168 170
169 if (ret == 1) { 171 if (ret == 1) {
172 mutex_lock(&s->ops_mutex);
170 s->irq_mask &= mask; 173 s->irq_mask &= mask;
174 mutex_unlock(&s->ops_mutex);
171 ret = 0; 175 ret = 0;
172 } 176 }
173 177
@@ -187,163 +191,21 @@ static ssize_t pccard_store_resource(struct device *dev,
187 struct device_attribute *attr, 191 struct device_attribute *attr,
188 const char *buf, size_t count) 192 const char *buf, size_t count)
189{ 193{
190 unsigned long flags;
191 struct pcmcia_socket *s = to_socket(dev); 194 struct pcmcia_socket *s = to_socket(dev);
192 195
193 if (!count) 196 if (!count)
194 return -EINVAL; 197 return -EINVAL;
195 198
196 spin_lock_irqsave(&s->lock, flags); 199 mutex_lock(&s->ops_mutex);
197 if (!s->resource_setup_done) 200 if (!s->resource_setup_done)
198 s->resource_setup_done = 1; 201 s->resource_setup_done = 1;
199 spin_unlock_irqrestore(&s->lock, flags); 202 mutex_unlock(&s->ops_mutex);
200
201 mutex_lock(&s->skt_mutex);
202 if ((s->callback) &&
203 (s->state & SOCKET_PRESENT) &&
204 !(s->state & SOCKET_CARDBUS)) {
205 if (try_module_get(s->callback->owner)) {
206 s->callback->requery(s, 0);
207 module_put(s->callback->owner);
208 }
209 }
210 mutex_unlock(&s->skt_mutex);
211
212 return count;
213}
214static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
215 203
216 204 pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
217static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, loff_t off, size_t count)
218{
219 tuple_t tuple;
220 int status, i;
221 loff_t pointer = 0;
222 ssize_t ret = 0;
223 u_char *tuplebuffer;
224 u_char *tempbuffer;
225
226 tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL);
227 if (!tuplebuffer)
228 return -ENOMEM;
229
230 tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL);
231 if (!tempbuffer) {
232 ret = -ENOMEM;
233 goto free_tuple;
234 }
235
236 memset(&tuple, 0, sizeof(tuple_t));
237
238 tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON;
239 tuple.DesiredTuple = RETURN_FIRST_TUPLE;
240 tuple.TupleOffset = 0;
241
242 status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple);
243 while (!status) {
244 tuple.TupleData = tuplebuffer;
245 tuple.TupleDataMax = 255;
246 memset(tuplebuffer, 0, sizeof(u_char) * 255);
247
248 status = pccard_get_tuple_data(s, &tuple);
249 if (status)
250 break;
251
252 if (off < (pointer + 2 + tuple.TupleDataLen)) {
253 tempbuffer[0] = tuple.TupleCode & 0xff;
254 tempbuffer[1] = tuple.TupleLink & 0xff;
255 for (i = 0; i < tuple.TupleDataLen; i++)
256 tempbuffer[i + 2] = tuplebuffer[i] & 0xff;
257
258 for (i = 0; i < (2 + tuple.TupleDataLen); i++) {
259 if (((i + pointer) >= off) &&
260 (i + pointer) < (off + count)) {
261 buf[ret] = tempbuffer[i];
262 ret++;
263 }
264 }
265 }
266
267 pointer += 2 + tuple.TupleDataLen;
268
269 if (pointer >= (off + count))
270 break;
271
272 if (tuple.TupleCode == CISTPL_END)
273 break;
274 status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple);
275 }
276
277 kfree(tempbuffer);
278 free_tuple:
279 kfree(tuplebuffer);
280
281 return ret;
282}
283
284static ssize_t pccard_show_cis(struct kobject *kobj,
285 struct bin_attribute *bin_attr,
286 char *buf, loff_t off, size_t count)
287{
288 unsigned int size = 0x200;
289
290 if (off >= size)
291 count = 0;
292 else {
293 struct pcmcia_socket *s;
294 unsigned int chains;
295
296 if (off + count > size)
297 count = size - off;
298
299 s = to_socket(container_of(kobj, struct device, kobj));
300
301 if (!(s->state & SOCKET_PRESENT))
302 return -ENODEV;
303 if (pccard_validate_cis(s, &chains))
304 return -EIO;
305 if (!chains)
306 return -ENODATA;
307
308 count = pccard_extract_cis(s, buf, off, count);
309 }
310
311 return count;
312}
313
314static ssize_t pccard_store_cis(struct kobject *kobj,
315 struct bin_attribute *bin_attr,
316 char *buf, loff_t off, size_t count)
317{
318 struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj));
319 int error;
320
321 if (off)
322 return -EINVAL;
323
324 if (count >= CISTPL_MAX_CIS_SIZE)
325 return -EINVAL;
326
327 if (!(s->state & SOCKET_PRESENT))
328 return -ENODEV;
329
330 error = pcmcia_replace_cis(s, buf, count);
331 if (error)
332 return -EIO;
333
334 mutex_lock(&s->skt_mutex);
335 if ((s->callback) && (s->state & SOCKET_PRESENT) &&
336 !(s->state & SOCKET_CARDBUS)) {
337 if (try_module_get(s->callback->owner)) {
338 s->callback->requery(s, 1);
339 module_put(s->callback->owner);
340 }
341 }
342 mutex_unlock(&s->skt_mutex);
343 205
344 return count; 206 return count;
345} 207}
346 208static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
347 209
348static struct attribute *pccard_socket_attributes[] = { 210static struct attribute *pccard_socket_attributes[] = {
349 &dev_attr_card_type.attr, 211 &dev_attr_card_type.attr,
@@ -362,28 +224,12 @@ static const struct attribute_group socket_attrs = {
362 .attrs = pccard_socket_attributes, 224 .attrs = pccard_socket_attributes,
363}; 225};
364 226
365static struct bin_attribute pccard_cis_attr = {
366 .attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR },
367 .size = 0x200,
368 .read = pccard_show_cis,
369 .write = pccard_store_cis,
370};
371
372int pccard_sysfs_add_socket(struct device *dev) 227int pccard_sysfs_add_socket(struct device *dev)
373{ 228{
374 int ret = 0; 229 return sysfs_create_group(&dev->kobj, &socket_attrs);
375
376 ret = sysfs_create_group(&dev->kobj, &socket_attrs);
377 if (!ret) {
378 ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr);
379 if (ret)
380 sysfs_remove_group(&dev->kobj, &socket_attrs);
381 }
382 return ret;
383} 230}
384 231
385void pccard_sysfs_remove_socket(struct device *dev) 232void pccard_sysfs_remove_socket(struct device *dev)
386{ 233{
387 sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr);
388 sysfs_remove_group(&dev->kobj, &socket_attrs); 234 sysfs_remove_group(&dev->kobj, &socket_attrs);
389} 235}
diff --git a/drivers/pcmcia/xxs1500_ss.c b/drivers/pcmcia/xxs1500_ss.c
new file mode 100644
index 000000000000..f9009d34254b
--- /dev/null
+++ b/drivers/pcmcia/xxs1500_ss.c
@@ -0,0 +1,340 @@
1/*
2 * PCMCIA socket code for the MyCable XXS1500 system.
3 *
4 * Copyright (c) 2009 Manuel Lauss <manuel.lauss@gmail.com>
5 *
6 */
7
8#include <linux/delay.h>
9#include <linux/gpio.h>
10#include <linux/interrupt.h>
11#include <linux/io.h>
12#include <linux/ioport.h>
13#include <linux/mm.h>
14#include <linux/platform_device.h>
15#include <linux/pm.h>
16#include <linux/resource.h>
17#include <linux/spinlock.h>
18
19#include <pcmcia/cs_types.h>
20#include <pcmcia/cs.h>
21#include <pcmcia/ss.h>
22#include <pcmcia/cistpl.h>
23
24#include <asm/irq.h>
25#include <asm/system.h>
26#include <asm/mach-au1x00/au1000.h>
27
28#define MEM_MAP_SIZE 0x400000
29#define IO_MAP_SIZE 0x1000
30
31
32/*
33 * 3.3V cards only; all interfacing is done via gpios:
34 *
35 * 0/1: carddetect (00 = card present, xx = huh)
36 * 4: card irq
37 * 204: reset (high-act)
38 * 205: buffer enable (low-act)
39 * 208/209: card voltage key (00,01,10,11)
40 * 210: battwarn
41 * 211: batdead
42 * 214: power (low-act)
43 */
44#define GPIO_CDA 0
45#define GPIO_CDB 1
46#define GPIO_CARDIRQ 4
47#define GPIO_RESET 204
48#define GPIO_OUTEN 205
49#define GPIO_VSL 208
50#define GPIO_VSH 209
51#define GPIO_BATTDEAD 210
52#define GPIO_BATTWARN 211
53#define GPIO_POWER 214
54
55struct xxs1500_pcmcia_sock {
56 struct pcmcia_socket socket;
57 void *virt_io;
58
59 phys_addr_t phys_io;
60 phys_addr_t phys_attr;
61 phys_addr_t phys_mem;
62
63 /* previous flags for set_socket() */
64 unsigned int old_flags;
65};
66
67#define to_xxs_socket(x) container_of(x, struct xxs1500_pcmcia_sock, socket)
68
69static irqreturn_t cdirq(int irq, void *data)
70{
71 struct xxs1500_pcmcia_sock *sock = data;
72
73 pcmcia_parse_events(&sock->socket, SS_DETECT);
74
75 return IRQ_HANDLED;
76}
77
78static int xxs1500_pcmcia_configure(struct pcmcia_socket *skt,
79 struct socket_state_t *state)
80{
81 struct xxs1500_pcmcia_sock *sock = to_xxs_socket(skt);
82 unsigned int changed;
83
84 /* power control */
85 switch (state->Vcc) {
86 case 0:
87 gpio_set_value(GPIO_POWER, 1); /* power off */
88 break;
89 case 33:
90 gpio_set_value(GPIO_POWER, 0); /* power on */
91 break;
92 case 50:
93 default:
94 return -EINVAL;
95 }
96
97 changed = state->flags ^ sock->old_flags;
98
99 if (changed & SS_RESET) {
100 if (state->flags & SS_RESET) {
101 gpio_set_value(GPIO_RESET, 1); /* assert reset */
102 gpio_set_value(GPIO_OUTEN, 1); /* buffers off */
103 } else {
104 gpio_set_value(GPIO_RESET, 0); /* deassert reset */
105 gpio_set_value(GPIO_OUTEN, 0); /* buffers on */
106 msleep(500);
107 }
108 }
109
110 sock->old_flags = state->flags;
111
112 return 0;
113}
114
115static int xxs1500_pcmcia_get_status(struct pcmcia_socket *skt,
116 unsigned int *value)
117{
118 unsigned int status;
119 int i;
120
121 status = 0;
122
123 /* check carddetects: GPIO[0:1] must both be low */
124 if (!gpio_get_value(GPIO_CDA) && !gpio_get_value(GPIO_CDB))
125 status |= SS_DETECT;
126
127 /* determine card voltage: GPIO[208:209] binary value */
128 i = (!!gpio_get_value(GPIO_VSL)) | ((!!gpio_get_value(GPIO_VSH)) << 1);
129
130 switch (i) {
131 case 0:
132 case 1:
133 case 2:
134 status |= SS_3VCARD; /* 3V card */
135 break;
136 case 3: /* 5V card, unsupported */
137 default:
138 status |= SS_XVCARD; /* treated as unsupported in core */
139 }
140
141 /* GPIO214: low active power switch */
142 status |= gpio_get_value(GPIO_POWER) ? 0 : SS_POWERON;
143
144 /* GPIO204: high-active reset line */
145 status |= gpio_get_value(GPIO_RESET) ? SS_RESET : SS_READY;
146
147 /* other stuff */
148 status |= gpio_get_value(GPIO_BATTDEAD) ? 0 : SS_BATDEAD;
149 status |= gpio_get_value(GPIO_BATTWARN) ? 0 : SS_BATWARN;
150
151 *value = status;
152
153 return 0;
154}
155
156static int xxs1500_pcmcia_sock_init(struct pcmcia_socket *skt)
157{
158 gpio_direction_input(GPIO_CDA);
159 gpio_direction_input(GPIO_CDB);
160 gpio_direction_input(GPIO_VSL);
161 gpio_direction_input(GPIO_VSH);
162 gpio_direction_input(GPIO_BATTDEAD);
163 gpio_direction_input(GPIO_BATTWARN);
164 gpio_direction_output(GPIO_RESET, 1); /* assert reset */
165 gpio_direction_output(GPIO_OUTEN, 1); /* disable buffers */
166 gpio_direction_output(GPIO_POWER, 1); /* power off */
167
168 return 0;
169}
170
171static int xxs1500_pcmcia_sock_suspend(struct pcmcia_socket *skt)
172{
173 return 0;
174}
175
176static int au1x00_pcmcia_set_io_map(struct pcmcia_socket *skt,
177 struct pccard_io_map *map)
178{
179 struct xxs1500_pcmcia_sock *sock = to_xxs_socket(skt);
180
181 map->start = (u32)sock->virt_io;
182 map->stop = map->start + IO_MAP_SIZE;
183
184 return 0;
185}
186
187static int au1x00_pcmcia_set_mem_map(struct pcmcia_socket *skt,
188 struct pccard_mem_map *map)
189{
190 struct xxs1500_pcmcia_sock *sock = to_xxs_socket(skt);
191
192 if (map->flags & MAP_ATTRIB)
193 map->static_start = sock->phys_attr + map->card_start;
194 else
195 map->static_start = sock->phys_mem + map->card_start;
196
197 return 0;
198}
199
200static struct pccard_operations xxs1500_pcmcia_operations = {
201 .init = xxs1500_pcmcia_sock_init,
202 .suspend = xxs1500_pcmcia_sock_suspend,
203 .get_status = xxs1500_pcmcia_get_status,
204 .set_socket = xxs1500_pcmcia_configure,
205 .set_io_map = au1x00_pcmcia_set_io_map,
206 .set_mem_map = au1x00_pcmcia_set_mem_map,
207};
208
209static int __devinit xxs1500_pcmcia_probe(struct platform_device *pdev)
210{
211 struct xxs1500_pcmcia_sock *sock;
212 struct resource *r;
213 int ret, irq;
214
215 sock = kzalloc(sizeof(struct xxs1500_pcmcia_sock), GFP_KERNEL);
216 if (!sock)
217 return -ENOMEM;
218
219 ret = -ENODEV;
220
221 /* 36bit PCMCIA Attribute area address */
222 r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-attr");
223 if (!r) {
224 dev_err(&pdev->dev, "missing 'pcmcia-attr' resource!\n");
225 goto out0;
226 }
227 sock->phys_attr = r->start;
228
229 /* 36bit PCMCIA Memory area address */
230 r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-mem");
231 if (!r) {
232 dev_err(&pdev->dev, "missing 'pcmcia-mem' resource!\n");
233 goto out0;
234 }
235 sock->phys_mem = r->start;
236
237 /* 36bit PCMCIA IO area address */
238 r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-io");
239 if (!r) {
240 dev_err(&pdev->dev, "missing 'pcmcia-io' resource!\n");
241 goto out0;
242 }
243 sock->phys_io = r->start;
244
245
246 /*
247 * PCMCIA client drivers use the inb/outb macros to access
248 * the IO registers. Since mips_io_port_base is added
249 * to the access address of the mips implementation of
250 * inb/outb, we need to subtract it here because we want
251 * to access the I/O or MEM address directly, without
252 * going through this "mips_io_port_base" mechanism.
253 */
254 sock->virt_io = (void *)(ioremap(sock->phys_io, IO_MAP_SIZE) -
255 mips_io_port_base);
256
257 if (!sock->virt_io) {
258 dev_err(&pdev->dev, "cannot remap IO area\n");
259 ret = -ENOMEM;
260 goto out0;
261 }
262
263 sock->socket.ops = &xxs1500_pcmcia_operations;
264 sock->socket.owner = THIS_MODULE;
265 sock->socket.pci_irq = gpio_to_irq(GPIO_CARDIRQ);
266 sock->socket.features = SS_CAP_STATIC_MAP | SS_CAP_PCCARD;
267 sock->socket.map_size = MEM_MAP_SIZE;
268 sock->socket.io_offset = (unsigned long)sock->virt_io;
269 sock->socket.dev.parent = &pdev->dev;
270 sock->socket.resource_ops = &pccard_static_ops;
271
272 platform_set_drvdata(pdev, sock);
273
274 /* setup carddetect irq: use one of the 2 GPIOs as an
275 * edge detector.
276 */
277 irq = gpio_to_irq(GPIO_CDA);
278 set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
279 ret = request_irq(irq, cdirq, 0, "pcmcia_carddetect", sock);
280 if (ret) {
281 dev_err(&pdev->dev, "cannot setup cd irq\n");
282 goto out1;
283 }
284
285 ret = pcmcia_register_socket(&sock->socket);
286 if (ret) {
287 dev_err(&pdev->dev, "failed to register\n");
288 goto out2;
289 }
290
291 printk(KERN_INFO "MyCable XXS1500 PCMCIA socket services\n");
292
293 return 0;
294
295out2:
296 free_irq(gpio_to_irq(GPIO_CDA), sock);
297out1:
298 iounmap((void *)(sock->virt_io + (u32)mips_io_port_base));
299out0:
300 kfree(sock);
301 return ret;
302}
303
304static int __devexit xxs1500_pcmcia_remove(struct platform_device *pdev)
305{
306 struct xxs1500_pcmcia_sock *sock = platform_get_drvdata(pdev);
307
308 pcmcia_unregister_socket(&sock->socket);
309 free_irq(gpio_to_irq(GPIO_CDA), sock);
310 iounmap((void *)(sock->virt_io + (u32)mips_io_port_base));
311 kfree(sock);
312
313 return 0;
314}
315
316static struct platform_driver xxs1500_pcmcia_socket_driver = {
317 .driver = {
318 .name = "xxs1500_pcmcia",
319 .owner = THIS_MODULE,
320 },
321 .probe = xxs1500_pcmcia_probe,
322 .remove = __devexit_p(xxs1500_pcmcia_remove),
323};
324
325int __init xxs1500_pcmcia_socket_load(void)
326{
327 return platform_driver_register(&xxs1500_pcmcia_socket_driver);
328}
329
330void __exit xxs1500_pcmcia_socket_unload(void)
331{
332 platform_driver_unregister(&xxs1500_pcmcia_socket_driver);
333}
334
335module_init(xxs1500_pcmcia_socket_load);
336module_exit(xxs1500_pcmcia_socket_unload);
337
338MODULE_LICENSE("GPL");
339MODULE_DESCRIPTION("PCMCIA Socket Services for MyCable XXS1500 systems");
340MODULE_AUTHOR("Manuel Lauss");
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index e4d12acdd525..967c766f53ba 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -37,6 +37,11 @@ static int pwr_irqs_off;
37module_param(pwr_irqs_off, bool, 0644); 37module_param(pwr_irqs_off, bool, 0644);
38MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!"); 38MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
39 39
40static char o2_speedup[] = "default";
41module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444);
42MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' "
43 "or 'default' (uses recommended behaviour for the detected bridge)");
44
40#define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args) 45#define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args)
41 46
42/* Don't ask.. */ 47/* Don't ask.. */
@@ -649,9 +654,10 @@ static int yenta_search_one_res(struct resource *root, struct resource *res,
649static int yenta_search_res(struct yenta_socket *socket, struct resource *res, 654static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
650 u32 min) 655 u32 min)
651{ 656{
657 struct resource *root;
652 int i; 658 int i;
653 for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { 659
654 struct resource *root = socket->dev->bus->resource[i]; 660 pci_bus_for_each_resource(socket->dev->bus, root, i) {
655 if (!root) 661 if (!root)
656 continue; 662 continue;
657 663
@@ -1402,10 +1408,10 @@ static struct pci_device_id yenta_table[] = {
1402 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX), 1408 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
1403 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX), 1409 CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),
1404 1410
1405 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, TI12XX), 1411 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE),
1406 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, TI12XX), 1412 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE),
1407 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, TI12XX), 1413 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE),
1408 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, TI12XX), 1414 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE),
1409 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE), 1415 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
1410 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE), 1416 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
1411 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE), 1417 CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-23 18:17:28 -0400