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path: root/drivers/pcmcia/pxa2xx_sharpsl.c
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Diffstat (limited to 'drivers/pcmcia/pxa2xx_sharpsl.c')
-rw-r--r--drivers/pcmcia/pxa2xx_sharpsl.c151
1 files changed, 88 insertions, 63 deletions
diff --git a/drivers/pcmcia/pxa2xx_sharpsl.c b/drivers/pcmcia/pxa2xx_sharpsl.c
index a1178a600e3c..56c58831e80e 100644
--- a/drivers/pcmcia/pxa2xx_sharpsl.c
+++ b/drivers/pcmcia/pxa2xx_sharpsl.c
@@ -16,17 +16,26 @@
16#include <linux/kernel.h> 16#include <linux/kernel.h>
17#include <linux/errno.h> 17#include <linux/errno.h>
18#include <linux/interrupt.h> 18#include <linux/interrupt.h>
19#include <linux/device.h> 19#include <linux/platform_device.h>
20 20
21#include <asm/mach-types.h>
21#include <asm/hardware.h> 22#include <asm/hardware.h>
22#include <asm/irq.h> 23#include <asm/irq.h>
23#include <asm/hardware/scoop.h> 24#include <asm/hardware/scoop.h>
24#include <asm/arch/pxa-regs.h>
25 25
26#include "soc_common.h" 26#include "soc_common.h"
27 27
28#define NO_KEEP_VS 0x0001 28#define NO_KEEP_VS 0x0001
29 29
30/* PCMCIA to Scoop linkage
31
32 There is no easy way to link multiple scoop devices into one
33 single entity for the pxa2xx_pcmcia device so this structure
34 is used which is setup by the platform code
35*/
36struct scoop_pcmcia_config *platform_scoop_config;
37#define SCOOP_DEV platform_scoop_config->devs
38
30static void sharpsl_pcmcia_init_reset(struct scoop_pcmcia_dev *scoopdev) 39static void sharpsl_pcmcia_init_reset(struct scoop_pcmcia_dev *scoopdev)
31{ 40{
32 reset_scoop(scoopdev->dev); 41 reset_scoop(scoopdev->dev);
@@ -38,36 +47,16 @@ static int sharpsl_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
38{ 47{
39 int ret; 48 int ret;
40 49
41 /* 50 if (platform_scoop_config->pcmcia_init)
42 * Setup default state of GPIO outputs 51 platform_scoop_config->pcmcia_init();
43 * before we enable them as outputs.
44 */
45 GPSR(GPIO48_nPOE) =
46 GPIO_bit(GPIO48_nPOE) |
47 GPIO_bit(GPIO49_nPWE) |
48 GPIO_bit(GPIO50_nPIOR) |
49 GPIO_bit(GPIO51_nPIOW) |
50 GPIO_bit(GPIO52_nPCE_1) |
51 GPIO_bit(GPIO53_nPCE_2);
52
53 pxa_gpio_mode(GPIO48_nPOE_MD);
54 pxa_gpio_mode(GPIO49_nPWE_MD);
55 pxa_gpio_mode(GPIO50_nPIOR_MD);
56 pxa_gpio_mode(GPIO51_nPIOW_MD);
57 pxa_gpio_mode(GPIO52_nPCE_1_MD);
58 pxa_gpio_mode(GPIO53_nPCE_2_MD);
59 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
60 pxa_gpio_mode(GPIO55_nPREG_MD);
61 pxa_gpio_mode(GPIO56_nPWAIT_MD);
62 pxa_gpio_mode(GPIO57_nIOIS16_MD);
63 52
64 /* Register interrupts */ 53 /* Register interrupts */
65 if (scoop_devs[skt->nr].cd_irq >= 0) { 54 if (SCOOP_DEV[skt->nr].cd_irq >= 0) {
66 struct pcmcia_irqs cd_irq; 55 struct pcmcia_irqs cd_irq;
67 56
68 cd_irq.sock = skt->nr; 57 cd_irq.sock = skt->nr;
69 cd_irq.irq = scoop_devs[skt->nr].cd_irq; 58 cd_irq.irq = SCOOP_DEV[skt->nr].cd_irq;
70 cd_irq.str = scoop_devs[skt->nr].cd_irq_str; 59 cd_irq.str = SCOOP_DEV[skt->nr].cd_irq_str;
71 ret = soc_pcmcia_request_irqs(skt, &cd_irq, 1); 60 ret = soc_pcmcia_request_irqs(skt, &cd_irq, 1);
72 61
73 if (ret) { 62 if (ret) {
@@ -76,19 +65,19 @@ static int sharpsl_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
76 } 65 }
77 } 66 }
78 67
79 skt->irq = scoop_devs[skt->nr].irq; 68 skt->irq = SCOOP_DEV[skt->nr].irq;
80 69
81 return 0; 70 return 0;
82} 71}
83 72
84static void sharpsl_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) 73static void sharpsl_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
85{ 74{
86 if (scoop_devs[skt->nr].cd_irq >= 0) { 75 if (SCOOP_DEV[skt->nr].cd_irq >= 0) {
87 struct pcmcia_irqs cd_irq; 76 struct pcmcia_irqs cd_irq;
88 77
89 cd_irq.sock = skt->nr; 78 cd_irq.sock = skt->nr;
90 cd_irq.irq = scoop_devs[skt->nr].cd_irq; 79 cd_irq.irq = SCOOP_DEV[skt->nr].cd_irq;
91 cd_irq.str = scoop_devs[skt->nr].cd_irq_str; 80 cd_irq.str = SCOOP_DEV[skt->nr].cd_irq_str;
92 soc_pcmcia_free_irqs(skt, &cd_irq, 1); 81 soc_pcmcia_free_irqs(skt, &cd_irq, 1);
93 } 82 }
94} 83}
@@ -98,9 +87,9 @@ static void sharpsl_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
98 struct pcmcia_state *state) 87 struct pcmcia_state *state)
99{ 88{
100 unsigned short cpr, csr; 89 unsigned short cpr, csr;
101 struct device *scoop = scoop_devs[skt->nr].dev; 90 struct device *scoop = SCOOP_DEV[skt->nr].dev;
102 91
103 cpr = read_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_CPR); 92 cpr = read_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_CPR);
104 93
105 write_scoop_reg(scoop, SCOOP_IRM, 0x00FF); 94 write_scoop_reg(scoop, SCOOP_IRM, 0x00FF);
106 write_scoop_reg(scoop, SCOOP_ISR, 0x0000); 95 write_scoop_reg(scoop, SCOOP_ISR, 0x0000);
@@ -109,21 +98,25 @@ static void sharpsl_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
109 if (csr & 0x0004) { 98 if (csr & 0x0004) {
110 /* card eject */ 99 /* card eject */
111 write_scoop_reg(scoop, SCOOP_CDR, 0x0000); 100 write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
112 scoop_devs[skt->nr].keep_vs = NO_KEEP_VS; 101 SCOOP_DEV[skt->nr].keep_vs = NO_KEEP_VS;
113 } 102 }
114 else if (!(scoop_devs[skt->nr].keep_vs & NO_KEEP_VS)) { 103 else if (!(SCOOP_DEV[skt->nr].keep_vs & NO_KEEP_VS)) {
115 /* keep vs1,vs2 */ 104 /* keep vs1,vs2 */
116 write_scoop_reg(scoop, SCOOP_CDR, 0x0000); 105 write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
117 csr |= scoop_devs[skt->nr].keep_vs; 106 csr |= SCOOP_DEV[skt->nr].keep_vs;
118 } 107 }
119 else if (cpr & 0x0003) { 108 else if (cpr & 0x0003) {
120 /* power on */ 109 /* power on */
121 write_scoop_reg(scoop, SCOOP_CDR, 0x0000); 110 write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
122 scoop_devs[skt->nr].keep_vs = (csr & 0x00C0); 111 SCOOP_DEV[skt->nr].keep_vs = (csr & 0x00C0);
123 } 112 }
124 else { 113 else {
125 /* card detect */ 114 /* card detect */
126 write_scoop_reg(scoop, SCOOP_CDR, 0x0002); 115 if ((machine_is_spitz() || machine_is_borzoi()) && skt->nr == 1) {
116 write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
117 } else {
118 write_scoop_reg(scoop, SCOOP_CDR, 0x0002);
119 }
127 } 120 }
128 121
129 state->detect = (csr & 0x0004) ? 0 : 1; 122 state->detect = (csr & 0x0004) ? 0 : 1;
@@ -137,7 +130,6 @@ static void sharpsl_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
137 if ((cpr & 0x0080) && ((cpr & 0x8040) != 0x8040)) { 130 if ((cpr & 0x0080) && ((cpr & 0x8040) != 0x8040)) {
138 printk(KERN_ERR "sharpsl_pcmcia_socket_state(): CPR=%04X, Low voltage!\n", cpr); 131 printk(KERN_ERR "sharpsl_pcmcia_socket_state(): CPR=%04X, Low voltage!\n", cpr);
139 } 132 }
140
141} 133}
142 134
143 135
@@ -145,7 +137,7 @@ static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
145 const socket_state_t *state) 137 const socket_state_t *state)
146{ 138{
147 unsigned long flags; 139 unsigned long flags;
148 struct device *scoop = scoop_devs[skt->nr].dev; 140 struct device *scoop = SCOOP_DEV[skt->nr].dev;
149 141
150 unsigned short cpr, ncpr, ccr, nccr, mcr, nmcr, imr, nimr; 142 unsigned short cpr, ncpr, ccr, nccr, mcr, nmcr, imr, nimr;
151 143
@@ -170,8 +162,13 @@ static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
170 nccr = (ccr = read_scoop_reg(scoop, SCOOP_CCR)) & ~0x0080; 162 nccr = (ccr = read_scoop_reg(scoop, SCOOP_CCR)) & ~0x0080;
171 nimr = (imr = read_scoop_reg(scoop, SCOOP_IMR)) & ~0x003E; 163 nimr = (imr = read_scoop_reg(scoop, SCOOP_IMR)) & ~0x003E;
172 164
173 ncpr |= (state->Vcc == 33) ? 0x0001 : 165 if ((machine_is_spitz() || machine_is_borzoi() || machine_is_akita()) && skt->nr == 0) {
174 (state->Vcc == 50) ? 0x0002 : 0; 166 ncpr |= (state->Vcc == 33) ? 0x0002 :
167 (state->Vcc == 50) ? 0x0002 : 0;
168 } else {
169 ncpr |= (state->Vcc == 33) ? 0x0001 :
170 (state->Vcc == 50) ? 0x0002 : 0;
171 }
175 nmcr |= (state->flags&SS_IOCARD) ? 0x0010 : 0; 172 nmcr |= (state->flags&SS_IOCARD) ? 0x0010 : 0;
176 ncpr |= (state->flags&SS_OUTPUT_ENA) ? 0x0080 : 0; 173 ncpr |= (state->flags&SS_OUTPUT_ENA) ? 0x0080 : 0;
177 nccr |= (state->flags&SS_RESET)? 0x0080: 0; 174 nccr |= (state->flags&SS_RESET)? 0x0080: 0;
@@ -183,18 +180,22 @@ static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
183 ((skt->status&SS_WRPROT) ? 0x0008 : 0); 180 ((skt->status&SS_WRPROT) ? 0x0008 : 0);
184 181
185 if (!(ncpr & 0x0003)) { 182 if (!(ncpr & 0x0003)) {
186 scoop_devs[skt->nr].keep_rd = 0; 183 SCOOP_DEV[skt->nr].keep_rd = 0;
187 } else if (!scoop_devs[skt->nr].keep_rd) { 184 } else if (!SCOOP_DEV[skt->nr].keep_rd) {
188 if (nccr & 0x0080) 185 if (nccr & 0x0080)
189 scoop_devs[skt->nr].keep_rd = 1; 186 SCOOP_DEV[skt->nr].keep_rd = 1;
190 else 187 else
191 nccr |= 0x0080; 188 nccr |= 0x0080;
192 } 189 }
193 190
194 if (mcr != nmcr) 191 if (mcr != nmcr)
195 write_scoop_reg(scoop, SCOOP_MCR, nmcr); 192 write_scoop_reg(scoop, SCOOP_MCR, nmcr);
196 if (cpr != ncpr) 193 if (cpr != ncpr) {
197 write_scoop_reg(scoop, SCOOP_CPR, ncpr); 194 if (platform_scoop_config->power_ctrl)
195 platform_scoop_config->power_ctrl(scoop, ncpr , skt->nr);
196 else
197 write_scoop_reg(scoop, SCOOP_CPR, ncpr);
198 }
198 if (ccr != nccr) 199 if (ccr != nccr)
199 write_scoop_reg(scoop, SCOOP_CCR, nccr); 200 write_scoop_reg(scoop, SCOOP_CCR, nccr);
200 if (imr != nimr) 201 if (imr != nimr)
@@ -207,39 +208,62 @@ static int sharpsl_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
207 208
208static void sharpsl_pcmcia_socket_init(struct soc_pcmcia_socket *skt) 209static void sharpsl_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
209{ 210{
210 sharpsl_pcmcia_init_reset(&scoop_devs[skt->nr]); 211 sharpsl_pcmcia_init_reset(&SCOOP_DEV[skt->nr]);
211 212
212 /* Enable interrupt */ 213 /* Enable interrupt */
213 write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_IMR, 0x00C0); 214 write_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_IMR, 0x00C0);
214 write_scoop_reg(scoop_devs[skt->nr].dev, SCOOP_MCR, 0x0101); 215 write_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_MCR, 0x0101);
215 scoop_devs[skt->nr].keep_vs = NO_KEEP_VS; 216 SCOOP_DEV[skt->nr].keep_vs = NO_KEEP_VS;
217
218 if (machine_is_collie())
219 /* We need to disable SS_OUTPUT_ENA here. */
220 write_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_CPR, read_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_CPR) & ~0x0080);
216} 221}
217 222
218static void sharpsl_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) 223static void sharpsl_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
219{ 224{
220 /* CF_BUS_OFF */ 225 /* CF_BUS_OFF */
221 sharpsl_pcmcia_init_reset(&scoop_devs[skt->nr]); 226 sharpsl_pcmcia_init_reset(&SCOOP_DEV[skt->nr]);
227
228 if (machine_is_collie())
229 /* We need to disable SS_OUTPUT_ENA here. */
230 write_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_CPR, read_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_CPR) & ~0x0080);
222} 231}
223 232
224static struct pcmcia_low_level sharpsl_pcmcia_ops = { 233static struct pcmcia_low_level sharpsl_pcmcia_ops = {
225 .owner = THIS_MODULE, 234 .owner = THIS_MODULE,
226 .hw_init = sharpsl_pcmcia_hw_init, 235 .hw_init = sharpsl_pcmcia_hw_init,
227 .hw_shutdown = sharpsl_pcmcia_hw_shutdown, 236 .hw_shutdown = sharpsl_pcmcia_hw_shutdown,
228 .socket_state = sharpsl_pcmcia_socket_state, 237 .socket_state = sharpsl_pcmcia_socket_state,
229 .configure_socket = sharpsl_pcmcia_configure_socket, 238 .configure_socket = sharpsl_pcmcia_configure_socket,
230 .socket_init = sharpsl_pcmcia_socket_init, 239 .socket_init = sharpsl_pcmcia_socket_init,
231 .socket_suspend = sharpsl_pcmcia_socket_suspend, 240 .socket_suspend = sharpsl_pcmcia_socket_suspend,
232 .first = 0, 241 .first = 0,
233 .nr = 0, 242 .nr = 0,
234}; 243};
235 244
245#ifdef CONFIG_SA1100_COLLIE
246#include "sa11xx_base.h"
247
248int __init pcmcia_collie_init(struct device *dev)
249{
250 int ret = -ENODEV;
251
252 if (machine_is_collie())
253 ret = sa11xx_drv_pcmcia_probe(dev, &sharpsl_pcmcia_ops, 0, 1);
254
255 return ret;
256}
257
258#else
259
236static struct platform_device *sharpsl_pcmcia_device; 260static struct platform_device *sharpsl_pcmcia_device;
237 261
238static int __init sharpsl_pcmcia_init(void) 262static int __init sharpsl_pcmcia_init(void)
239{ 263{
240 int ret; 264 int ret;
241 265
242 sharpsl_pcmcia_ops.nr=scoop_num; 266 sharpsl_pcmcia_ops.nr=platform_scoop_config->num_devs;
243 sharpsl_pcmcia_device = kmalloc(sizeof(*sharpsl_pcmcia_device), GFP_KERNEL); 267 sharpsl_pcmcia_device = kmalloc(sizeof(*sharpsl_pcmcia_device), GFP_KERNEL);
244 if (!sharpsl_pcmcia_device) 268 if (!sharpsl_pcmcia_device)
245 return -ENOMEM; 269 return -ENOMEM;
@@ -247,7 +271,7 @@ static int __init sharpsl_pcmcia_init(void)
247 memset(sharpsl_pcmcia_device, 0, sizeof(*sharpsl_pcmcia_device)); 271 memset(sharpsl_pcmcia_device, 0, sizeof(*sharpsl_pcmcia_device));
248 sharpsl_pcmcia_device->name = "pxa2xx-pcmcia"; 272 sharpsl_pcmcia_device->name = "pxa2xx-pcmcia";
249 sharpsl_pcmcia_device->dev.platform_data = &sharpsl_pcmcia_ops; 273 sharpsl_pcmcia_device->dev.platform_data = &sharpsl_pcmcia_ops;
250 sharpsl_pcmcia_device->dev.parent=scoop_devs[0].dev; 274 sharpsl_pcmcia_device->dev.parent=platform_scoop_config->devs[0].dev;
251 275
252 ret = platform_device_register(sharpsl_pcmcia_device); 276 ret = platform_device_register(sharpsl_pcmcia_device);
253 if (ret) 277 if (ret)
@@ -269,6 +293,7 @@ static void __exit sharpsl_pcmcia_exit(void)
269 293
270fs_initcall(sharpsl_pcmcia_init); 294fs_initcall(sharpsl_pcmcia_init);
271module_exit(sharpsl_pcmcia_exit); 295module_exit(sharpsl_pcmcia_exit);
296#endif
272 297
273MODULE_DESCRIPTION("Sharp SL Series PCMCIA Support"); 298MODULE_DESCRIPTION("Sharp SL Series PCMCIA Support");
274MODULE_LICENSE("GPL"); 299MODULE_LICENSE("GPL");