diff options
author | Michael Wu <flamingice@sourmilk.net> | 2007-09-25 21:11:01 -0400 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 19:51:42 -0400 |
commit | eff1a59c48e3c6a006eb4fe5f2e405a996f2259d (patch) | |
tree | 8d80376fa3bd0c60fd607be5eebef49ec2b1d733 /drivers | |
parent | 0795af5729b18218767fab27c44b1384f72dc9ad (diff) |
[P54]: add mac80211-based driver for prism54 softmac hardware
Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/wireless/Kconfig | 13 | ||||
-rw-r--r-- | drivers/net/wireless/Makefile | 4 | ||||
-rw-r--r-- | drivers/net/wireless/net2280.h | 452 | ||||
-rw-r--r-- | drivers/net/wireless/p54.h | 80 | ||||
-rw-r--r-- | drivers/net/wireless/p54common.c | 983 | ||||
-rw-r--r-- | drivers/net/wireless/p54common.h | 329 | ||||
-rw-r--r-- | drivers/net/wireless/p54pci.c | 691 | ||||
-rw-r--r-- | drivers/net/wireless/p54pci.h | 106 | ||||
-rw-r--r-- | drivers/net/wireless/p54usb.c | 906 | ||||
-rw-r--r-- | drivers/net/wireless/p54usb.h | 133 |
10 files changed, 3697 insertions, 0 deletions
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index f481c757e22b..5a6fdfd0f140 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig | |||
@@ -577,6 +577,19 @@ config ADM8211 | |||
577 | 577 | ||
578 | Thanks to Infineon-ADMtek for their support of this driver. | 578 | Thanks to Infineon-ADMtek for their support of this driver. |
579 | 579 | ||
580 | config P54_COMMON | ||
581 | tristate "Softmac Prism54 support" | ||
582 | depends on MAC80211 && WLAN_80211 && FW_LOADER && EXPERIMENTAL | ||
583 | |||
584 | config P54_USB | ||
585 | tristate "Prism54 USB support" | ||
586 | depends on P54_COMMON && USB | ||
587 | select CRC32 | ||
588 | |||
589 | config P54_PCI | ||
590 | tristate "Prism54 PCI support" | ||
591 | depends on P54_COMMON && PCI | ||
592 | |||
580 | source "drivers/net/wireless/iwlwifi/Kconfig" | 593 | source "drivers/net/wireless/iwlwifi/Kconfig" |
581 | source "drivers/net/wireless/hostap/Kconfig" | 594 | source "drivers/net/wireless/hostap/Kconfig" |
582 | source "drivers/net/wireless/bcm43xx/Kconfig" | 595 | source "drivers/net/wireless/bcm43xx/Kconfig" |
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index a7a15e3509e8..6f32b53ee128 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile | |||
@@ -54,3 +54,7 @@ obj-$(CONFIG_ADM8211) += adm8211.o | |||
54 | 54 | ||
55 | obj-$(CONFIG_IWLWIFI) += iwlwifi/ | 55 | obj-$(CONFIG_IWLWIFI) += iwlwifi/ |
56 | obj-$(CONFIG_RT2X00) += rt2x00/ | 56 | obj-$(CONFIG_RT2X00) += rt2x00/ |
57 | |||
58 | obj-$(CONFIG_P54_COMMON) += p54common.o | ||
59 | obj-$(CONFIG_P54_USB) += p54usb.o | ||
60 | obj-$(CONFIG_P54_PCI) += p54pci.o | ||
diff --git a/drivers/net/wireless/net2280.h b/drivers/net/wireless/net2280.h new file mode 100644 index 000000000000..120eb831b287 --- /dev/null +++ b/drivers/net/wireless/net2280.h | |||
@@ -0,0 +1,452 @@ | |||
1 | #ifndef NET2280_H | ||
2 | #define NET2280_H | ||
3 | /* | ||
4 | * NetChip 2280 high/full speed USB device controller. | ||
5 | * Unlike many such controllers, this one talks PCI. | ||
6 | */ | ||
7 | |||
8 | /* | ||
9 | * Copyright (C) 2002 NetChip Technology, Inc. (http://www.netchip.com) | ||
10 | * Copyright (C) 2003 David Brownell | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of the GNU General Public License as published by | ||
14 | * the Free Software Foundation; either version 2 of the License, or | ||
15 | * (at your option) any later version. | ||
16 | * | ||
17 | * This program is distributed in the hope that it will be useful, | ||
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
20 | * GNU General Public License for more details. | ||
21 | * | ||
22 | * You should have received a copy of the GNU General Public License | ||
23 | * along with this program; if not, write to the Free Software | ||
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
25 | */ | ||
26 | |||
27 | /*-------------------------------------------------------------------------*/ | ||
28 | |||
29 | /* NET2280 MEMORY MAPPED REGISTERS | ||
30 | * | ||
31 | * The register layout came from the chip documentation, and the bit | ||
32 | * number definitions were extracted from chip specification. | ||
33 | * | ||
34 | * Use the shift operator ('<<') to build bit masks, with readl/writel | ||
35 | * to access the registers through PCI. | ||
36 | */ | ||
37 | |||
38 | /* main registers, BAR0 + 0x0000 */ | ||
39 | struct net2280_regs { | ||
40 | // offset 0x0000 | ||
41 | __le32 devinit; | ||
42 | #define LOCAL_CLOCK_FREQUENCY 8 | ||
43 | #define FORCE_PCI_RESET 7 | ||
44 | #define PCI_ID 6 | ||
45 | #define PCI_ENABLE 5 | ||
46 | #define FIFO_SOFT_RESET 4 | ||
47 | #define CFG_SOFT_RESET 3 | ||
48 | #define PCI_SOFT_RESET 2 | ||
49 | #define USB_SOFT_RESET 1 | ||
50 | #define M8051_RESET 0 | ||
51 | __le32 eectl; | ||
52 | #define EEPROM_ADDRESS_WIDTH 23 | ||
53 | #define EEPROM_CHIP_SELECT_ACTIVE 22 | ||
54 | #define EEPROM_PRESENT 21 | ||
55 | #define EEPROM_VALID 20 | ||
56 | #define EEPROM_BUSY 19 | ||
57 | #define EEPROM_CHIP_SELECT_ENABLE 18 | ||
58 | #define EEPROM_BYTE_READ_START 17 | ||
59 | #define EEPROM_BYTE_WRITE_START 16 | ||
60 | #define EEPROM_READ_DATA 8 | ||
61 | #define EEPROM_WRITE_DATA 0 | ||
62 | __le32 eeclkfreq; | ||
63 | u32 _unused0; | ||
64 | // offset 0x0010 | ||
65 | |||
66 | __le32 pciirqenb0; /* interrupt PCI master ... */ | ||
67 | #define SETUP_PACKET_INTERRUPT_ENABLE 7 | ||
68 | #define ENDPOINT_F_INTERRUPT_ENABLE 6 | ||
69 | #define ENDPOINT_E_INTERRUPT_ENABLE 5 | ||
70 | #define ENDPOINT_D_INTERRUPT_ENABLE 4 | ||
71 | #define ENDPOINT_C_INTERRUPT_ENABLE 3 | ||
72 | #define ENDPOINT_B_INTERRUPT_ENABLE 2 | ||
73 | #define ENDPOINT_A_INTERRUPT_ENABLE 1 | ||
74 | #define ENDPOINT_0_INTERRUPT_ENABLE 0 | ||
75 | __le32 pciirqenb1; | ||
76 | #define PCI_INTERRUPT_ENABLE 31 | ||
77 | #define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27 | ||
78 | #define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26 | ||
79 | #define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25 | ||
80 | #define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20 | ||
81 | #define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19 | ||
82 | #define PCI_TARGET_ABORT_ASSERTED_INTERRUPT_ENABLE 18 | ||
83 | #define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17 | ||
84 | #define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16 | ||
85 | #define GPIO_INTERRUPT_ENABLE 13 | ||
86 | #define DMA_D_INTERRUPT_ENABLE 12 | ||
87 | #define DMA_C_INTERRUPT_ENABLE 11 | ||
88 | #define DMA_B_INTERRUPT_ENABLE 10 | ||
89 | #define DMA_A_INTERRUPT_ENABLE 9 | ||
90 | #define EEPROM_DONE_INTERRUPT_ENABLE 8 | ||
91 | #define VBUS_INTERRUPT_ENABLE 7 | ||
92 | #define CONTROL_STATUS_INTERRUPT_ENABLE 6 | ||
93 | #define ROOT_PORT_RESET_INTERRUPT_ENABLE 4 | ||
94 | #define SUSPEND_REQUEST_INTERRUPT_ENABLE 3 | ||
95 | #define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2 | ||
96 | #define RESUME_INTERRUPT_ENABLE 1 | ||
97 | #define SOF_INTERRUPT_ENABLE 0 | ||
98 | __le32 cpu_irqenb0; /* ... or onboard 8051 */ | ||
99 | #define SETUP_PACKET_INTERRUPT_ENABLE 7 | ||
100 | #define ENDPOINT_F_INTERRUPT_ENABLE 6 | ||
101 | #define ENDPOINT_E_INTERRUPT_ENABLE 5 | ||
102 | #define ENDPOINT_D_INTERRUPT_ENABLE 4 | ||
103 | #define ENDPOINT_C_INTERRUPT_ENABLE 3 | ||
104 | #define ENDPOINT_B_INTERRUPT_ENABLE 2 | ||
105 | #define ENDPOINT_A_INTERRUPT_ENABLE 1 | ||
106 | #define ENDPOINT_0_INTERRUPT_ENABLE 0 | ||
107 | __le32 cpu_irqenb1; | ||
108 | #define CPU_INTERRUPT_ENABLE 31 | ||
109 | #define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27 | ||
110 | #define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26 | ||
111 | #define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25 | ||
112 | #define PCI_INTA_INTERRUPT_ENABLE 24 | ||
113 | #define PCI_PME_INTERRUPT_ENABLE 23 | ||
114 | #define PCI_SERR_INTERRUPT_ENABLE 22 | ||
115 | #define PCI_PERR_INTERRUPT_ENABLE 21 | ||
116 | #define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20 | ||
117 | #define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19 | ||
118 | #define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17 | ||
119 | #define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16 | ||
120 | #define GPIO_INTERRUPT_ENABLE 13 | ||
121 | #define DMA_D_INTERRUPT_ENABLE 12 | ||
122 | #define DMA_C_INTERRUPT_ENABLE 11 | ||
123 | #define DMA_B_INTERRUPT_ENABLE 10 | ||
124 | #define DMA_A_INTERRUPT_ENABLE 9 | ||
125 | #define EEPROM_DONE_INTERRUPT_ENABLE 8 | ||
126 | #define VBUS_INTERRUPT_ENABLE 7 | ||
127 | #define CONTROL_STATUS_INTERRUPT_ENABLE 6 | ||
128 | #define ROOT_PORT_RESET_INTERRUPT_ENABLE 4 | ||
129 | #define SUSPEND_REQUEST_INTERRUPT_ENABLE 3 | ||
130 | #define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2 | ||
131 | #define RESUME_INTERRUPT_ENABLE 1 | ||
132 | #define SOF_INTERRUPT_ENABLE 0 | ||
133 | |||
134 | // offset 0x0020 | ||
135 | u32 _unused1; | ||
136 | __le32 usbirqenb1; | ||
137 | #define USB_INTERRUPT_ENABLE 31 | ||
138 | #define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27 | ||
139 | #define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26 | ||
140 | #define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25 | ||
141 | #define PCI_INTA_INTERRUPT_ENABLE 24 | ||
142 | #define PCI_PME_INTERRUPT_ENABLE 23 | ||
143 | #define PCI_SERR_INTERRUPT_ENABLE 22 | ||
144 | #define PCI_PERR_INTERRUPT_ENABLE 21 | ||
145 | #define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20 | ||
146 | #define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19 | ||
147 | #define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17 | ||
148 | #define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16 | ||
149 | #define GPIO_INTERRUPT_ENABLE 13 | ||
150 | #define DMA_D_INTERRUPT_ENABLE 12 | ||
151 | #define DMA_C_INTERRUPT_ENABLE 11 | ||
152 | #define DMA_B_INTERRUPT_ENABLE 10 | ||
153 | #define DMA_A_INTERRUPT_ENABLE 9 | ||
154 | #define EEPROM_DONE_INTERRUPT_ENABLE 8 | ||
155 | #define VBUS_INTERRUPT_ENABLE 7 | ||
156 | #define CONTROL_STATUS_INTERRUPT_ENABLE 6 | ||
157 | #define ROOT_PORT_RESET_INTERRUPT_ENABLE 4 | ||
158 | #define SUSPEND_REQUEST_INTERRUPT_ENABLE 3 | ||
159 | #define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2 | ||
160 | #define RESUME_INTERRUPT_ENABLE 1 | ||
161 | #define SOF_INTERRUPT_ENABLE 0 | ||
162 | __le32 irqstat0; | ||
163 | #define INTA_ASSERTED 12 | ||
164 | #define SETUP_PACKET_INTERRUPT 7 | ||
165 | #define ENDPOINT_F_INTERRUPT 6 | ||
166 | #define ENDPOINT_E_INTERRUPT 5 | ||
167 | #define ENDPOINT_D_INTERRUPT 4 | ||
168 | #define ENDPOINT_C_INTERRUPT 3 | ||
169 | #define ENDPOINT_B_INTERRUPT 2 | ||
170 | #define ENDPOINT_A_INTERRUPT 1 | ||
171 | #define ENDPOINT_0_INTERRUPT 0 | ||
172 | __le32 irqstat1; | ||
173 | #define POWER_STATE_CHANGE_INTERRUPT 27 | ||
174 | #define PCI_ARBITER_TIMEOUT_INTERRUPT 26 | ||
175 | #define PCI_PARITY_ERROR_INTERRUPT 25 | ||
176 | #define PCI_INTA_INTERRUPT 24 | ||
177 | #define PCI_PME_INTERRUPT 23 | ||
178 | #define PCI_SERR_INTERRUPT 22 | ||
179 | #define PCI_PERR_INTERRUPT 21 | ||
180 | #define PCI_MASTER_ABORT_RECEIVED_INTERRUPT 20 | ||
181 | #define PCI_TARGET_ABORT_RECEIVED_INTERRUPT 19 | ||
182 | #define PCI_RETRY_ABORT_INTERRUPT 17 | ||
183 | #define PCI_MASTER_CYCLE_DONE_INTERRUPT 16 | ||
184 | #define GPIO_INTERRUPT 13 | ||
185 | #define DMA_D_INTERRUPT 12 | ||
186 | #define DMA_C_INTERRUPT 11 | ||
187 | #define DMA_B_INTERRUPT 10 | ||
188 | #define DMA_A_INTERRUPT 9 | ||
189 | #define EEPROM_DONE_INTERRUPT 8 | ||
190 | #define VBUS_INTERRUPT 7 | ||
191 | #define CONTROL_STATUS_INTERRUPT 6 | ||
192 | #define ROOT_PORT_RESET_INTERRUPT 4 | ||
193 | #define SUSPEND_REQUEST_INTERRUPT 3 | ||
194 | #define SUSPEND_REQUEST_CHANGE_INTERRUPT 2 | ||
195 | #define RESUME_INTERRUPT 1 | ||
196 | #define SOF_INTERRUPT 0 | ||
197 | // offset 0x0030 | ||
198 | __le32 idxaddr; | ||
199 | __le32 idxdata; | ||
200 | __le32 fifoctl; | ||
201 | #define PCI_BASE2_RANGE 16 | ||
202 | #define IGNORE_FIFO_AVAILABILITY 3 | ||
203 | #define PCI_BASE2_SELECT 2 | ||
204 | #define FIFO_CONFIGURATION_SELECT 0 | ||
205 | u32 _unused2; | ||
206 | // offset 0x0040 | ||
207 | __le32 memaddr; | ||
208 | #define START 28 | ||
209 | #define DIRECTION 27 | ||
210 | #define FIFO_DIAGNOSTIC_SELECT 24 | ||
211 | #define MEMORY_ADDRESS 0 | ||
212 | __le32 memdata0; | ||
213 | __le32 memdata1; | ||
214 | u32 _unused3; | ||
215 | // offset 0x0050 | ||
216 | __le32 gpioctl; | ||
217 | #define GPIO3_LED_SELECT 12 | ||
218 | #define GPIO3_INTERRUPT_ENABLE 11 | ||
219 | #define GPIO2_INTERRUPT_ENABLE 10 | ||
220 | #define GPIO1_INTERRUPT_ENABLE 9 | ||
221 | #define GPIO0_INTERRUPT_ENABLE 8 | ||
222 | #define GPIO3_OUTPUT_ENABLE 7 | ||
223 | #define GPIO2_OUTPUT_ENABLE 6 | ||
224 | #define GPIO1_OUTPUT_ENABLE 5 | ||
225 | #define GPIO0_OUTPUT_ENABLE 4 | ||
226 | #define GPIO3_DATA 3 | ||
227 | #define GPIO2_DATA 2 | ||
228 | #define GPIO1_DATA 1 | ||
229 | #define GPIO0_DATA 0 | ||
230 | __le32 gpiostat; | ||
231 | #define GPIO3_INTERRUPT 3 | ||
232 | #define GPIO2_INTERRUPT 2 | ||
233 | #define GPIO1_INTERRUPT 1 | ||
234 | #define GPIO0_INTERRUPT 0 | ||
235 | } __attribute__ ((packed)); | ||
236 | |||
237 | /* usb control, BAR0 + 0x0080 */ | ||
238 | struct net2280_usb_regs { | ||
239 | // offset 0x0080 | ||
240 | __le32 stdrsp; | ||
241 | #define STALL_UNSUPPORTED_REQUESTS 31 | ||
242 | #define SET_TEST_MODE 16 | ||
243 | #define GET_OTHER_SPEED_CONFIGURATION 15 | ||
244 | #define GET_DEVICE_QUALIFIER 14 | ||
245 | #define SET_ADDRESS 13 | ||
246 | #define ENDPOINT_SET_CLEAR_HALT 12 | ||
247 | #define DEVICE_SET_CLEAR_DEVICE_REMOTE_WAKEUP 11 | ||
248 | #define GET_STRING_DESCRIPTOR_2 10 | ||
249 | #define GET_STRING_DESCRIPTOR_1 9 | ||
250 | #define GET_STRING_DESCRIPTOR_0 8 | ||
251 | #define GET_SET_INTERFACE 6 | ||
252 | #define GET_SET_CONFIGURATION 5 | ||
253 | #define GET_CONFIGURATION_DESCRIPTOR 4 | ||
254 | #define GET_DEVICE_DESCRIPTOR 3 | ||
255 | #define GET_ENDPOINT_STATUS 2 | ||
256 | #define GET_INTERFACE_STATUS 1 | ||
257 | #define GET_DEVICE_STATUS 0 | ||
258 | __le32 prodvendid; | ||
259 | #define PRODUCT_ID 16 | ||
260 | #define VENDOR_ID 0 | ||
261 | __le32 relnum; | ||
262 | __le32 usbctl; | ||
263 | #define SERIAL_NUMBER_INDEX 16 | ||
264 | #define PRODUCT_ID_STRING_ENABLE 13 | ||
265 | #define VENDOR_ID_STRING_ENABLE 12 | ||
266 | #define USB_ROOT_PORT_WAKEUP_ENABLE 11 | ||
267 | #define VBUS_PIN 10 | ||
268 | #define TIMED_DISCONNECT 9 | ||
269 | #define SUSPEND_IMMEDIATELY 7 | ||
270 | #define SELF_POWERED_USB_DEVICE 6 | ||
271 | #define REMOTE_WAKEUP_SUPPORT 5 | ||
272 | #define PME_POLARITY 4 | ||
273 | #define USB_DETECT_ENABLE 3 | ||
274 | #define PME_WAKEUP_ENABLE 2 | ||
275 | #define DEVICE_REMOTE_WAKEUP_ENABLE 1 | ||
276 | #define SELF_POWERED_STATUS 0 | ||
277 | // offset 0x0090 | ||
278 | __le32 usbstat; | ||
279 | #define HIGH_SPEED 7 | ||
280 | #define FULL_SPEED 6 | ||
281 | #define GENERATE_RESUME 5 | ||
282 | #define GENERATE_DEVICE_REMOTE_WAKEUP 4 | ||
283 | __le32 xcvrdiag; | ||
284 | #define FORCE_HIGH_SPEED_MODE 31 | ||
285 | #define FORCE_FULL_SPEED_MODE 30 | ||
286 | #define USB_TEST_MODE 24 | ||
287 | #define LINE_STATE 16 | ||
288 | #define TRANSCEIVER_OPERATION_MODE 2 | ||
289 | #define TRANSCEIVER_SELECT 1 | ||
290 | #define TERMINATION_SELECT 0 | ||
291 | __le32 setup0123; | ||
292 | __le32 setup4567; | ||
293 | // offset 0x0090 | ||
294 | u32 _unused0; | ||
295 | __le32 ouraddr; | ||
296 | #define FORCE_IMMEDIATE 7 | ||
297 | #define OUR_USB_ADDRESS 0 | ||
298 | __le32 ourconfig; | ||
299 | } __attribute__ ((packed)); | ||
300 | |||
301 | /* pci control, BAR0 + 0x0100 */ | ||
302 | struct net2280_pci_regs { | ||
303 | // offset 0x0100 | ||
304 | __le32 pcimstctl; | ||
305 | #define PCI_ARBITER_PARK_SELECT 13 | ||
306 | #define PCI_MULTI LEVEL_ARBITER 12 | ||
307 | #define PCI_RETRY_ABORT_ENABLE 11 | ||
308 | #define DMA_MEMORY_WRITE_AND_INVALIDATE_ENABLE 10 | ||
309 | #define DMA_READ_MULTIPLE_ENABLE 9 | ||
310 | #define DMA_READ_LINE_ENABLE 8 | ||
311 | #define PCI_MASTER_COMMAND_SELECT 6 | ||
312 | #define MEM_READ_OR_WRITE 0 | ||
313 | #define IO_READ_OR_WRITE 1 | ||
314 | #define CFG_READ_OR_WRITE 2 | ||
315 | #define PCI_MASTER_START 5 | ||
316 | #define PCI_MASTER_READ_WRITE 4 | ||
317 | #define PCI_MASTER_WRITE 0 | ||
318 | #define PCI_MASTER_READ 1 | ||
319 | #define PCI_MASTER_BYTE_WRITE_ENABLES 0 | ||
320 | __le32 pcimstaddr; | ||
321 | __le32 pcimstdata; | ||
322 | __le32 pcimststat; | ||
323 | #define PCI_ARBITER_CLEAR 2 | ||
324 | #define PCI_EXTERNAL_ARBITER 1 | ||
325 | #define PCI_HOST_MODE 0 | ||
326 | } __attribute__ ((packed)); | ||
327 | |||
328 | /* dma control, BAR0 + 0x0180 ... array of four structs like this, | ||
329 | * for channels 0..3. see also struct net2280_dma: descriptor | ||
330 | * that can be loaded into some of these registers. | ||
331 | */ | ||
332 | struct net2280_dma_regs { /* [11.7] */ | ||
333 | // offset 0x0180, 0x01a0, 0x01c0, 0x01e0, | ||
334 | __le32 dmactl; | ||
335 | #define DMA_SCATTER_GATHER_DONE_INTERRUPT_ENABLE 25 | ||
336 | #define DMA_CLEAR_COUNT_ENABLE 21 | ||
337 | #define DESCRIPTOR_POLLING_RATE 19 | ||
338 | #define POLL_CONTINUOUS 0 | ||
339 | #define POLL_1_USEC 1 | ||
340 | #define POLL_100_USEC 2 | ||
341 | #define POLL_1_MSEC 3 | ||
342 | #define DMA_VALID_BIT_POLLING_ENABLE 18 | ||
343 | #define DMA_VALID_BIT_ENABLE 17 | ||
344 | #define DMA_SCATTER_GATHER_ENABLE 16 | ||
345 | #define DMA_OUT_AUTO_START_ENABLE 4 | ||
346 | #define DMA_PREEMPT_ENABLE 3 | ||
347 | #define DMA_FIFO_VALIDATE 2 | ||
348 | #define DMA_ENABLE 1 | ||
349 | #define DMA_ADDRESS_HOLD 0 | ||
350 | __le32 dmastat; | ||
351 | #define DMA_SCATTER_GATHER_DONE_INTERRUPT 25 | ||
352 | #define DMA_TRANSACTION_DONE_INTERRUPT 24 | ||
353 | #define DMA_ABORT 1 | ||
354 | #define DMA_START 0 | ||
355 | u32 _unused0[2]; | ||
356 | // offset 0x0190, 0x01b0, 0x01d0, 0x01f0, | ||
357 | __le32 dmacount; | ||
358 | #define VALID_BIT 31 | ||
359 | #define DMA_DIRECTION 30 | ||
360 | #define DMA_DONE_INTERRUPT_ENABLE 29 | ||
361 | #define END_OF_CHAIN 28 | ||
362 | #define DMA_BYTE_COUNT_MASK ((1<<24)-1) | ||
363 | #define DMA_BYTE_COUNT 0 | ||
364 | __le32 dmaaddr; | ||
365 | __le32 dmadesc; | ||
366 | u32 _unused1; | ||
367 | } __attribute__ ((packed)); | ||
368 | |||
369 | /* dedicated endpoint registers, BAR0 + 0x0200 */ | ||
370 | |||
371 | struct net2280_dep_regs { /* [11.8] */ | ||
372 | // offset 0x0200, 0x0210, 0x220, 0x230, 0x240 | ||
373 | __le32 dep_cfg; | ||
374 | // offset 0x0204, 0x0214, 0x224, 0x234, 0x244 | ||
375 | __le32 dep_rsp; | ||
376 | u32 _unused[2]; | ||
377 | } __attribute__ ((packed)); | ||
378 | |||
379 | /* configurable endpoint registers, BAR0 + 0x0300 ... array of seven structs | ||
380 | * like this, for ep0 then the configurable endpoints A..F | ||
381 | * ep0 reserved for control; E and F have only 64 bytes of fifo | ||
382 | */ | ||
383 | struct net2280_ep_regs { /* [11.9] */ | ||
384 | // offset 0x0300, 0x0320, 0x0340, 0x0360, 0x0380, 0x03a0, 0x03c0 | ||
385 | __le32 ep_cfg; | ||
386 | #define ENDPOINT_BYTE_COUNT 16 | ||
387 | #define ENDPOINT_ENABLE 10 | ||
388 | #define ENDPOINT_TYPE 8 | ||
389 | #define ENDPOINT_DIRECTION 7 | ||
390 | #define ENDPOINT_NUMBER 0 | ||
391 | __le32 ep_rsp; | ||
392 | #define SET_NAK_OUT_PACKETS 15 | ||
393 | #define SET_EP_HIDE_STATUS_PHASE 14 | ||
394 | #define SET_EP_FORCE_CRC_ERROR 13 | ||
395 | #define SET_INTERRUPT_MODE 12 | ||
396 | #define SET_CONTROL_STATUS_PHASE_HANDSHAKE 11 | ||
397 | #define SET_NAK_OUT_PACKETS_MODE 10 | ||
398 | #define SET_ENDPOINT_TOGGLE 9 | ||
399 | #define SET_ENDPOINT_HALT 8 | ||
400 | #define CLEAR_NAK_OUT_PACKETS 7 | ||
401 | #define CLEAR_EP_HIDE_STATUS_PHASE 6 | ||
402 | #define CLEAR_EP_FORCE_CRC_ERROR 5 | ||
403 | #define CLEAR_INTERRUPT_MODE 4 | ||
404 | #define CLEAR_CONTROL_STATUS_PHASE_HANDSHAKE 3 | ||
405 | #define CLEAR_NAK_OUT_PACKETS_MODE 2 | ||
406 | #define CLEAR_ENDPOINT_TOGGLE 1 | ||
407 | #define CLEAR_ENDPOINT_HALT 0 | ||
408 | __le32 ep_irqenb; | ||
409 | #define SHORT_PACKET_OUT_DONE_INTERRUPT_ENABLE 6 | ||
410 | #define SHORT_PACKET_TRANSFERRED_INTERRUPT_ENABLE 5 | ||
411 | #define DATA_PACKET_RECEIVED_INTERRUPT_ENABLE 3 | ||
412 | #define DATA_PACKET_TRANSMITTED_INTERRUPT_ENABLE 2 | ||
413 | #define DATA_OUT_PING_TOKEN_INTERRUPT_ENABLE 1 | ||
414 | #define DATA_IN_TOKEN_INTERRUPT_ENABLE 0 | ||
415 | __le32 ep_stat; | ||
416 | #define FIFO_VALID_COUNT 24 | ||
417 | #define HIGH_BANDWIDTH_OUT_TRANSACTION_PID 22 | ||
418 | #define TIMEOUT 21 | ||
419 | #define USB_STALL_SENT 20 | ||
420 | #define USB_IN_NAK_SENT 19 | ||
421 | #define USB_IN_ACK_RCVD 18 | ||
422 | #define USB_OUT_PING_NAK_SENT 17 | ||
423 | #define USB_OUT_ACK_SENT 16 | ||
424 | #define FIFO_OVERFLOW 13 | ||
425 | #define FIFO_UNDERFLOW 12 | ||
426 | #define FIFO_FULL 11 | ||
427 | #define FIFO_EMPTY 10 | ||
428 | #define FIFO_FLUSH 9 | ||
429 | #define SHORT_PACKET_OUT_DONE_INTERRUPT 6 | ||
430 | #define SHORT_PACKET_TRANSFERRED_INTERRUPT 5 | ||
431 | #define NAK_OUT_PACKETS 4 | ||
432 | #define DATA_PACKET_RECEIVED_INTERRUPT 3 | ||
433 | #define DATA_PACKET_TRANSMITTED_INTERRUPT 2 | ||
434 | #define DATA_OUT_PING_TOKEN_INTERRUPT 1 | ||
435 | #define DATA_IN_TOKEN_INTERRUPT 0 | ||
436 | // offset 0x0310, 0x0330, 0x0350, 0x0370, 0x0390, 0x03b0, 0x03d0 | ||
437 | __le32 ep_avail; | ||
438 | __le32 ep_data; | ||
439 | u32 _unused0[2]; | ||
440 | } __attribute__ ((packed)); | ||
441 | |||
442 | struct net2280_reg_write { | ||
443 | __le16 port; | ||
444 | __le32 addr; | ||
445 | __le32 val; | ||
446 | } __attribute__ ((packed)); | ||
447 | |||
448 | struct net2280_reg_read { | ||
449 | __le16 port; | ||
450 | __le32 addr; | ||
451 | } __attribute__ ((packed)); | ||
452 | #endif /* NET2280_H */ | ||
diff --git a/drivers/net/wireless/p54.h b/drivers/net/wireless/p54.h new file mode 100644 index 000000000000..e558d697d9e5 --- /dev/null +++ b/drivers/net/wireless/p54.h | |||
@@ -0,0 +1,80 @@ | |||
1 | #ifndef PRISM54_H | ||
2 | #define PRISM54_H | ||
3 | |||
4 | /* | ||
5 | * Shared defines for all mac80211 Prism54 code | ||
6 | * | ||
7 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> | ||
8 | * | ||
9 | * Based on the islsm (softmac prism54) driver, which is: | ||
10 | * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of the GNU General Public License version 2 as | ||
14 | * published by the Free Software Foundation. | ||
15 | */ | ||
16 | |||
17 | enum control_frame_types { | ||
18 | P54_CONTROL_TYPE_FILTER_SET = 0, | ||
19 | P54_CONTROL_TYPE_CHANNEL_CHANGE, | ||
20 | P54_CONTROL_TYPE_FREQDONE, | ||
21 | P54_CONTROL_TYPE_DCFINIT, | ||
22 | P54_CONTROL_TYPE_FREEQUEUE = 7, | ||
23 | P54_CONTROL_TYPE_TXDONE, | ||
24 | P54_CONTROL_TYPE_PING, | ||
25 | P54_CONTROL_TYPE_STAT_READBACK, | ||
26 | P54_CONTROL_TYPE_BBP, | ||
27 | P54_CONTROL_TYPE_EEPROM_READBACK, | ||
28 | P54_CONTROL_TYPE_LED | ||
29 | }; | ||
30 | |||
31 | struct p54_control_hdr { | ||
32 | __le16 magic1; | ||
33 | __le16 len; | ||
34 | __le32 req_id; | ||
35 | __le16 type; /* enum control_frame_types */ | ||
36 | u8 retry1; | ||
37 | u8 retry2; | ||
38 | u8 data[0]; | ||
39 | } __attribute__ ((packed)); | ||
40 | |||
41 | #define EEPROM_READBACK_LEN (sizeof(struct p54_control_hdr) + 4 /* p54_eeprom_lm86 */) | ||
42 | #define MAX_RX_SIZE (IEEE80211_MAX_RTS_THRESHOLD + sizeof(struct p54_control_hdr) + 20 /* length of struct p54_rx_hdr */ + 16 ) | ||
43 | |||
44 | #define ISL38XX_DEV_FIRMWARE_ADDR 0x20000 | ||
45 | |||
46 | struct p54_common { | ||
47 | u32 rx_start; | ||
48 | u32 rx_end; | ||
49 | struct sk_buff_head tx_queue; | ||
50 | void (*tx)(struct ieee80211_hw *dev, struct p54_control_hdr *data, | ||
51 | size_t len, int free_on_tx); | ||
52 | int (*open)(struct ieee80211_hw *dev); | ||
53 | void (*stop)(struct ieee80211_hw *dev); | ||
54 | int mode; | ||
55 | u8 *mac_addr; | ||
56 | struct pda_iq_autocal_entry *iq_autocal; | ||
57 | unsigned int iq_autocal_len; | ||
58 | struct pda_channel_output_limit *output_limit; | ||
59 | unsigned int output_limit_len; | ||
60 | struct pda_pa_curve_data *curve_data; | ||
61 | __le16 rxhw; | ||
62 | u8 version; | ||
63 | unsigned int tx_hdr_len; | ||
64 | void *cached_vdcf; | ||
65 | unsigned int fw_var; | ||
66 | /* FIXME: this channels/modes/rates stuff sucks */ | ||
67 | struct ieee80211_channel channels[14]; | ||
68 | struct ieee80211_rate rates[12]; | ||
69 | struct ieee80211_hw_mode modes[2]; | ||
70 | struct ieee80211_tx_queue_stats tx_stats; | ||
71 | }; | ||
72 | |||
73 | int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb); | ||
74 | void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw); | ||
75 | int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len); | ||
76 | void p54_fill_eeprom_readback(struct p54_control_hdr *hdr); | ||
77 | struct ieee80211_hw *p54_init_common(size_t priv_data_len); | ||
78 | void p54_free_common(struct ieee80211_hw *dev); | ||
79 | |||
80 | #endif /* PRISM54_H */ | ||
diff --git a/drivers/net/wireless/p54common.c b/drivers/net/wireless/p54common.c new file mode 100644 index 000000000000..b05b5c5b4c04 --- /dev/null +++ b/drivers/net/wireless/p54common.c | |||
@@ -0,0 +1,983 @@ | |||
1 | |||
2 | /* | ||
3 | * Common code for mac80211 Prism54 drivers | ||
4 | * | ||
5 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> | ||
6 | * Copyright (c) 2007, Christian Lamparter <chunkeey@web.de> | ||
7 | * | ||
8 | * Based on the islsm (softmac prism54) driver, which is: | ||
9 | * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or modify | ||
12 | * it under the terms of the GNU General Public License version 2 as | ||
13 | * published by the Free Software Foundation. | ||
14 | */ | ||
15 | |||
16 | #include <linux/init.h> | ||
17 | #include <linux/firmware.h> | ||
18 | #include <linux/etherdevice.h> | ||
19 | |||
20 | #include <net/mac80211.h> | ||
21 | |||
22 | #include "p54.h" | ||
23 | #include "p54common.h" | ||
24 | |||
25 | MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); | ||
26 | MODULE_DESCRIPTION("Softmac Prism54 common code"); | ||
27 | MODULE_LICENSE("GPL"); | ||
28 | MODULE_ALIAS("prism54common"); | ||
29 | |||
30 | void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw) | ||
31 | { | ||
32 | struct p54_common *priv = dev->priv; | ||
33 | struct bootrec_exp_if *exp_if; | ||
34 | struct bootrec *bootrec; | ||
35 | u32 *data = (u32 *)fw->data; | ||
36 | u32 *end_data = (u32 *)fw->data + (fw->size >> 2); | ||
37 | u8 *fw_version = NULL; | ||
38 | size_t len; | ||
39 | int i; | ||
40 | |||
41 | if (priv->rx_start) | ||
42 | return; | ||
43 | |||
44 | while (data < end_data && *data) | ||
45 | data++; | ||
46 | |||
47 | while (data < end_data && !*data) | ||
48 | data++; | ||
49 | |||
50 | bootrec = (struct bootrec *) data; | ||
51 | |||
52 | while (bootrec->data <= end_data && | ||
53 | (bootrec->data + (len = le32_to_cpu(bootrec->len))) <= end_data) { | ||
54 | u32 code = le32_to_cpu(bootrec->code); | ||
55 | switch (code) { | ||
56 | case BR_CODE_COMPONENT_ID: | ||
57 | switch (be32_to_cpu(*bootrec->data)) { | ||
58 | case FW_FMAC: | ||
59 | printk(KERN_INFO "p54: FreeMAC firmware\n"); | ||
60 | break; | ||
61 | case FW_LM20: | ||
62 | printk(KERN_INFO "p54: LM20 firmware\n"); | ||
63 | break; | ||
64 | case FW_LM86: | ||
65 | printk(KERN_INFO "p54: LM86 firmware\n"); | ||
66 | break; | ||
67 | case FW_LM87: | ||
68 | printk(KERN_INFO "p54: LM87 firmware - not supported yet!\n"); | ||
69 | break; | ||
70 | default: | ||
71 | printk(KERN_INFO "p54: unknown firmware\n"); | ||
72 | break; | ||
73 | } | ||
74 | break; | ||
75 | case BR_CODE_COMPONENT_VERSION: | ||
76 | /* 24 bytes should be enough for all firmwares */ | ||
77 | if (strnlen((unsigned char*)bootrec->data, 24) < 24) | ||
78 | fw_version = (unsigned char*)bootrec->data; | ||
79 | break; | ||
80 | case BR_CODE_DESCR: | ||
81 | priv->rx_start = le32_to_cpu(bootrec->data[1]); | ||
82 | /* FIXME add sanity checking */ | ||
83 | priv->rx_end = le32_to_cpu(bootrec->data[2]) - 0x3500; | ||
84 | break; | ||
85 | case BR_CODE_EXPOSED_IF: | ||
86 | exp_if = (struct bootrec_exp_if *) bootrec->data; | ||
87 | for (i = 0; i < (len * sizeof(*exp_if) / 4); i++) | ||
88 | if (exp_if[i].if_id == 0x1a) | ||
89 | priv->fw_var = le16_to_cpu(exp_if[i].variant); | ||
90 | break; | ||
91 | case BR_CODE_DEPENDENT_IF: | ||
92 | break; | ||
93 | case BR_CODE_END_OF_BRA: | ||
94 | case LEGACY_BR_CODE_END_OF_BRA: | ||
95 | end_data = NULL; | ||
96 | break; | ||
97 | default: | ||
98 | break; | ||
99 | } | ||
100 | bootrec = (struct bootrec *)&bootrec->data[len]; | ||
101 | } | ||
102 | |||
103 | if (fw_version) | ||
104 | printk(KERN_INFO "p54: FW rev %s - Softmac protocol %x.%x\n", | ||
105 | fw_version, priv->fw_var >> 8, priv->fw_var & 0xff); | ||
106 | |||
107 | if (priv->fw_var >= 0x300) { | ||
108 | /* Firmware supports QoS, use it! */ | ||
109 | priv->tx_stats.data[0].limit = 3; | ||
110 | priv->tx_stats.data[1].limit = 4; | ||
111 | priv->tx_stats.data[2].limit = 3; | ||
112 | priv->tx_stats.data[3].limit = 1; | ||
113 | dev->queues = 4; | ||
114 | } | ||
115 | } | ||
116 | EXPORT_SYMBOL_GPL(p54_parse_firmware); | ||
117 | |||
118 | static int p54_convert_rev0_to_rev1(struct ieee80211_hw *dev, | ||
119 | struct pda_pa_curve_data *curve_data) | ||
120 | { | ||
121 | struct p54_common *priv = dev->priv; | ||
122 | struct pda_pa_curve_data_sample_rev1 *rev1; | ||
123 | struct pda_pa_curve_data_sample_rev0 *rev0; | ||
124 | size_t cd_len = sizeof(*curve_data) + | ||
125 | (curve_data->points_per_channel*sizeof(*rev1) + 2) * | ||
126 | curve_data->channels; | ||
127 | unsigned int i, j; | ||
128 | void *source, *target; | ||
129 | |||
130 | priv->curve_data = kmalloc(cd_len, GFP_KERNEL); | ||
131 | if (!priv->curve_data) | ||
132 | return -ENOMEM; | ||
133 | |||
134 | memcpy(priv->curve_data, curve_data, sizeof(*curve_data)); | ||
135 | source = curve_data->data; | ||
136 | target = priv->curve_data->data; | ||
137 | for (i = 0; i < curve_data->channels; i++) { | ||
138 | __le16 *freq = source; | ||
139 | source += sizeof(__le16); | ||
140 | *((__le16 *)target) = *freq; | ||
141 | target += sizeof(__le16); | ||
142 | for (j = 0; j < curve_data->points_per_channel; j++) { | ||
143 | rev1 = target; | ||
144 | rev0 = source; | ||
145 | |||
146 | rev1->rf_power = rev0->rf_power; | ||
147 | rev1->pa_detector = rev0->pa_detector; | ||
148 | rev1->data_64qam = rev0->pcv; | ||
149 | /* "invent" the points for the other modulations */ | ||
150 | #define SUB(x,y) (u8)((x) - (y)) > (x) ? 0 : (x) - (y) | ||
151 | rev1->data_16qam = SUB(rev0->pcv, 12); | ||
152 | rev1->data_qpsk = SUB(rev1->data_16qam, 12); | ||
153 | rev1->data_bpsk = SUB(rev1->data_qpsk, 12); | ||
154 | rev1->data_barker= SUB(rev1->data_bpsk, 14); | ||
155 | #undef SUB | ||
156 | target += sizeof(*rev1); | ||
157 | source += sizeof(*rev0); | ||
158 | } | ||
159 | } | ||
160 | |||
161 | return 0; | ||
162 | } | ||
163 | |||
164 | int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) | ||
165 | { | ||
166 | struct p54_common *priv = dev->priv; | ||
167 | struct eeprom_pda_wrap *wrap = NULL; | ||
168 | struct pda_entry *entry; | ||
169 | int i = 0; | ||
170 | unsigned int data_len, entry_len; | ||
171 | void *tmp; | ||
172 | int err; | ||
173 | |||
174 | wrap = (struct eeprom_pda_wrap *) eeprom; | ||
175 | entry = (void *)wrap->data + wrap->len; | ||
176 | i += 2; | ||
177 | i += le16_to_cpu(entry->len)*2; | ||
178 | while (i < len) { | ||
179 | entry_len = le16_to_cpu(entry->len); | ||
180 | data_len = ((entry_len - 1) << 1); | ||
181 | switch (le16_to_cpu(entry->code)) { | ||
182 | case PDR_MAC_ADDRESS: | ||
183 | SET_IEEE80211_PERM_ADDR(dev, entry->data); | ||
184 | break; | ||
185 | case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS: | ||
186 | if (data_len < 2) { | ||
187 | err = -EINVAL; | ||
188 | goto err; | ||
189 | } | ||
190 | |||
191 | if (2 + entry->data[1]*sizeof(*priv->output_limit) > data_len) { | ||
192 | err = -EINVAL; | ||
193 | goto err; | ||
194 | } | ||
195 | |||
196 | priv->output_limit = kmalloc(entry->data[1] * | ||
197 | sizeof(*priv->output_limit), GFP_KERNEL); | ||
198 | |||
199 | if (!priv->output_limit) { | ||
200 | err = -ENOMEM; | ||
201 | goto err; | ||
202 | } | ||
203 | |||
204 | memcpy(priv->output_limit, &entry->data[2], | ||
205 | entry->data[1]*sizeof(*priv->output_limit)); | ||
206 | priv->output_limit_len = entry->data[1]; | ||
207 | break; | ||
208 | case PDR_PRISM_PA_CAL_CURVE_DATA: | ||
209 | if (data_len < sizeof(struct pda_pa_curve_data)) { | ||
210 | err = -EINVAL; | ||
211 | goto err; | ||
212 | } | ||
213 | |||
214 | if (((struct pda_pa_curve_data *)entry->data)->cal_method_rev) { | ||
215 | priv->curve_data = kmalloc(data_len, GFP_KERNEL); | ||
216 | if (!priv->curve_data) { | ||
217 | err = -ENOMEM; | ||
218 | goto err; | ||
219 | } | ||
220 | |||
221 | memcpy(priv->curve_data, entry->data, data_len); | ||
222 | } else { | ||
223 | err = p54_convert_rev0_to_rev1(dev, (struct pda_pa_curve_data *)entry->data); | ||
224 | if (err) | ||
225 | goto err; | ||
226 | } | ||
227 | |||
228 | break; | ||
229 | case PDR_PRISM_ZIF_TX_IQ_CALIBRATION: | ||
230 | priv->iq_autocal = kmalloc(data_len, GFP_KERNEL); | ||
231 | if (!priv->iq_autocal) { | ||
232 | err = -ENOMEM; | ||
233 | goto err; | ||
234 | } | ||
235 | |||
236 | memcpy(priv->iq_autocal, entry->data, data_len); | ||
237 | priv->iq_autocal_len = data_len / sizeof(struct pda_iq_autocal_entry); | ||
238 | break; | ||
239 | case PDR_INTERFACE_LIST: | ||
240 | tmp = entry->data; | ||
241 | while ((u8 *)tmp < entry->data + data_len) { | ||
242 | struct bootrec_exp_if *exp_if = tmp; | ||
243 | if (le16_to_cpu(exp_if->if_id) == 0xF) | ||
244 | priv->rxhw = exp_if->variant & cpu_to_le16(0x07); | ||
245 | tmp += sizeof(struct bootrec_exp_if); | ||
246 | } | ||
247 | break; | ||
248 | case PDR_HARDWARE_PLATFORM_COMPONENT_ID: | ||
249 | priv->version = *(u8 *)(entry->data + 1); | ||
250 | break; | ||
251 | case PDR_END: | ||
252 | i = len; | ||
253 | break; | ||
254 | } | ||
255 | |||
256 | entry = (void *)entry + (entry_len + 1)*2; | ||
257 | i += 2; | ||
258 | i += entry_len*2; | ||
259 | } | ||
260 | |||
261 | if (!priv->iq_autocal || !priv->output_limit || !priv->curve_data) { | ||
262 | printk(KERN_ERR "p54: not all required entries found in eeprom!\n"); | ||
263 | err = -EINVAL; | ||
264 | goto err; | ||
265 | } | ||
266 | |||
267 | return 0; | ||
268 | |||
269 | err: | ||
270 | if (priv->iq_autocal) { | ||
271 | kfree(priv->iq_autocal); | ||
272 | priv->iq_autocal = NULL; | ||
273 | } | ||
274 | |||
275 | if (priv->output_limit) { | ||
276 | kfree(priv->output_limit); | ||
277 | priv->output_limit = NULL; | ||
278 | } | ||
279 | |||
280 | if (priv->curve_data) { | ||
281 | kfree(priv->curve_data); | ||
282 | priv->curve_data = NULL; | ||
283 | } | ||
284 | |||
285 | printk(KERN_ERR "p54: eeprom parse failed!\n"); | ||
286 | return err; | ||
287 | } | ||
288 | EXPORT_SYMBOL_GPL(p54_parse_eeprom); | ||
289 | |||
290 | void p54_fill_eeprom_readback(struct p54_control_hdr *hdr) | ||
291 | { | ||
292 | struct p54_eeprom_lm86 *eeprom_hdr; | ||
293 | |||
294 | hdr->magic1 = cpu_to_le16(0x8000); | ||
295 | hdr->len = cpu_to_le16(sizeof(*eeprom_hdr) + 0x2000); | ||
296 | hdr->type = cpu_to_le16(P54_CONTROL_TYPE_EEPROM_READBACK); | ||
297 | hdr->retry1 = hdr->retry2 = 0; | ||
298 | eeprom_hdr = (struct p54_eeprom_lm86 *) hdr->data; | ||
299 | eeprom_hdr->offset = 0x0; | ||
300 | eeprom_hdr->len = cpu_to_le16(0x2000); | ||
301 | } | ||
302 | EXPORT_SYMBOL_GPL(p54_fill_eeprom_readback); | ||
303 | |||
304 | static void p54_rx_data(struct ieee80211_hw *dev, struct sk_buff *skb) | ||
305 | { | ||
306 | struct p54_rx_hdr *hdr = (struct p54_rx_hdr *) skb->data; | ||
307 | struct ieee80211_rx_status rx_status = {0}; | ||
308 | u16 freq = le16_to_cpu(hdr->freq); | ||
309 | |||
310 | rx_status.ssi = hdr->rssi; | ||
311 | rx_status.rate = hdr->rate & 0x1f; /* report short preambles & CCK too */ | ||
312 | rx_status.channel = freq == 2484 ? 14 : (freq - 2407)/5; | ||
313 | rx_status.freq = freq; | ||
314 | rx_status.phymode = MODE_IEEE80211G; | ||
315 | rx_status.antenna = hdr->antenna; | ||
316 | rx_status.mactime = le64_to_cpu(hdr->timestamp); | ||
317 | |||
318 | skb_pull(skb, sizeof(*hdr)); | ||
319 | skb_trim(skb, le16_to_cpu(hdr->len)); | ||
320 | |||
321 | ieee80211_rx_irqsafe(dev, skb, &rx_status); | ||
322 | } | ||
323 | |||
324 | static void inline p54_wake_free_queues(struct ieee80211_hw *dev) | ||
325 | { | ||
326 | struct p54_common *priv = dev->priv; | ||
327 | int i; | ||
328 | |||
329 | /* ieee80211_start_queues is great if all queues are really empty. | ||
330 | * But, what if some are full? */ | ||
331 | |||
332 | for (i = 0; i < dev->queues; i++) | ||
333 | if (priv->tx_stats.data[i].len < priv->tx_stats.data[i].limit) | ||
334 | ieee80211_wake_queue(dev, i); | ||
335 | } | ||
336 | |||
337 | static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb) | ||
338 | { | ||
339 | struct p54_common *priv = dev->priv; | ||
340 | struct p54_control_hdr *hdr = (struct p54_control_hdr *) skb->data; | ||
341 | struct p54_frame_sent_hdr *payload = (struct p54_frame_sent_hdr *) hdr->data; | ||
342 | struct sk_buff *entry = (struct sk_buff *) priv->tx_queue.next; | ||
343 | u32 addr = le32_to_cpu(hdr->req_id) - 0x70; | ||
344 | struct memrecord *range = NULL; | ||
345 | u32 freed = 0; | ||
346 | u32 last_addr = priv->rx_start; | ||
347 | |||
348 | while (entry != (struct sk_buff *)&priv->tx_queue) { | ||
349 | range = (struct memrecord *)&entry->cb; | ||
350 | if (range->start_addr == addr) { | ||
351 | struct ieee80211_tx_status status = {{0}}; | ||
352 | struct p54_control_hdr *entry_hdr; | ||
353 | struct p54_tx_control_allocdata *entry_data; | ||
354 | int pad = 0; | ||
355 | |||
356 | if (entry->next != (struct sk_buff *)&priv->tx_queue) | ||
357 | freed = ((struct memrecord *)&entry->next->cb)->start_addr - last_addr; | ||
358 | else | ||
359 | freed = priv->rx_end - last_addr; | ||
360 | |||
361 | last_addr = range->end_addr; | ||
362 | __skb_unlink(entry, &priv->tx_queue); | ||
363 | if (!range->control) { | ||
364 | kfree_skb(entry); | ||
365 | break; | ||
366 | } | ||
367 | memcpy(&status.control, range->control, | ||
368 | sizeof(status.control)); | ||
369 | kfree(range->control); | ||
370 | priv->tx_stats.data[status.control.queue].len--; | ||
371 | |||
372 | entry_hdr = (struct p54_control_hdr *) entry->data; | ||
373 | entry_data = (struct p54_tx_control_allocdata *) entry_hdr->data; | ||
374 | if ((entry_hdr->magic1 & cpu_to_le16(0x4000)) != 0) | ||
375 | pad = entry_data->align[0]; | ||
376 | |||
377 | if (!status.control.flags & IEEE80211_TXCTL_NO_ACK) { | ||
378 | if (!(payload->status & 0x01)) | ||
379 | status.flags |= IEEE80211_TX_STATUS_ACK; | ||
380 | else | ||
381 | status.excessive_retries = 1; | ||
382 | } | ||
383 | status.retry_count = payload->retries - 1; | ||
384 | status.ack_signal = le16_to_cpu(payload->ack_rssi); | ||
385 | skb_pull(entry, sizeof(*hdr) + pad + sizeof(*entry_data)); | ||
386 | ieee80211_tx_status_irqsafe(dev, entry, &status); | ||
387 | break; | ||
388 | } else | ||
389 | last_addr = range->end_addr; | ||
390 | entry = entry->next; | ||
391 | } | ||
392 | |||
393 | if (freed >= IEEE80211_MAX_RTS_THRESHOLD + 0x170 + | ||
394 | sizeof(struct p54_control_hdr)) | ||
395 | p54_wake_free_queues(dev); | ||
396 | } | ||
397 | |||
398 | static void p54_rx_control(struct ieee80211_hw *dev, struct sk_buff *skb) | ||
399 | { | ||
400 | struct p54_control_hdr *hdr = (struct p54_control_hdr *) skb->data; | ||
401 | |||
402 | switch (le16_to_cpu(hdr->type)) { | ||
403 | case P54_CONTROL_TYPE_TXDONE: | ||
404 | p54_rx_frame_sent(dev, skb); | ||
405 | break; | ||
406 | case P54_CONTROL_TYPE_BBP: | ||
407 | break; | ||
408 | default: | ||
409 | printk(KERN_DEBUG "%s: not handling 0x%02x type control frame\n", | ||
410 | wiphy_name(dev->wiphy), le16_to_cpu(hdr->type)); | ||
411 | break; | ||
412 | } | ||
413 | } | ||
414 | |||
415 | /* returns zero if skb can be reused */ | ||
416 | int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb) | ||
417 | { | ||
418 | u8 type = le16_to_cpu(*((__le16 *)skb->data)) >> 8; | ||
419 | switch (type) { | ||
420 | case 0x00: | ||
421 | case 0x01: | ||
422 | p54_rx_data(dev, skb); | ||
423 | return -1; | ||
424 | case 0x4d: | ||
425 | /* TODO: do something better... but then again, I've never seen this happen */ | ||
426 | printk(KERN_ERR "%s: Received fault. Probably need to restart hardware now..\n", | ||
427 | wiphy_name(dev->wiphy)); | ||
428 | break; | ||
429 | case 0x80: | ||
430 | p54_rx_control(dev, skb); | ||
431 | break; | ||
432 | default: | ||
433 | printk(KERN_ERR "%s: unknown frame RXed (0x%02x)\n", | ||
434 | wiphy_name(dev->wiphy), type); | ||
435 | break; | ||
436 | } | ||
437 | return 0; | ||
438 | } | ||
439 | EXPORT_SYMBOL_GPL(p54_rx); | ||
440 | |||
441 | /* | ||
442 | * So, the firmware is somewhat stupid and doesn't know what places in its | ||
443 | * memory incoming data should go to. By poking around in the firmware, we | ||
444 | * can find some unused memory to upload our packets to. However, data that we | ||
445 | * want the card to TX needs to stay intact until the card has told us that | ||
446 | * it is done with it. This function finds empty places we can upload to and | ||
447 | * marks allocated areas as reserved if necessary. p54_rx_frame_sent frees | ||
448 | * allocated areas. | ||
449 | */ | ||
450 | static void p54_assign_address(struct ieee80211_hw *dev, struct sk_buff *skb, | ||
451 | struct p54_control_hdr *data, u32 len, | ||
452 | struct ieee80211_tx_control *control) | ||
453 | { | ||
454 | struct p54_common *priv = dev->priv; | ||
455 | struct sk_buff *entry = priv->tx_queue.next; | ||
456 | struct sk_buff *target_skb = NULL; | ||
457 | struct memrecord *range; | ||
458 | u32 last_addr = priv->rx_start; | ||
459 | u32 largest_hole = 0; | ||
460 | u32 target_addr = priv->rx_start; | ||
461 | unsigned long flags; | ||
462 | unsigned int left; | ||
463 | len = (len + 0x170 + 3) & ~0x3; /* 0x70 headroom, 0x100 tailroom */ | ||
464 | |||
465 | spin_lock_irqsave(&priv->tx_queue.lock, flags); | ||
466 | left = skb_queue_len(&priv->tx_queue); | ||
467 | while (left--) { | ||
468 | u32 hole_size; | ||
469 | range = (struct memrecord *)&entry->cb; | ||
470 | hole_size = range->start_addr - last_addr; | ||
471 | if (!target_skb && hole_size >= len) { | ||
472 | target_skb = entry->prev; | ||
473 | hole_size -= len; | ||
474 | target_addr = last_addr; | ||
475 | } | ||
476 | largest_hole = max(largest_hole, hole_size); | ||
477 | last_addr = range->end_addr; | ||
478 | entry = entry->next; | ||
479 | } | ||
480 | if (!target_skb && priv->rx_end - last_addr >= len) { | ||
481 | target_skb = priv->tx_queue.prev; | ||
482 | largest_hole = max(largest_hole, priv->rx_end - last_addr - len); | ||
483 | if (!skb_queue_empty(&priv->tx_queue)) { | ||
484 | range = (struct memrecord *)&target_skb->cb; | ||
485 | target_addr = range->end_addr; | ||
486 | } | ||
487 | } else | ||
488 | largest_hole = max(largest_hole, priv->rx_end - last_addr); | ||
489 | |||
490 | if (skb) { | ||
491 | range = (struct memrecord *)&skb->cb; | ||
492 | range->start_addr = target_addr; | ||
493 | range->end_addr = target_addr + len; | ||
494 | range->control = control; | ||
495 | __skb_queue_after(&priv->tx_queue, target_skb, skb); | ||
496 | if (largest_hole < IEEE80211_MAX_RTS_THRESHOLD + 0x170 + | ||
497 | sizeof(struct p54_control_hdr)) | ||
498 | ieee80211_stop_queues(dev); | ||
499 | } | ||
500 | spin_unlock_irqrestore(&priv->tx_queue.lock, flags); | ||
501 | |||
502 | data->req_id = cpu_to_le32(target_addr + 0x70); | ||
503 | } | ||
504 | |||
505 | static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb, | ||
506 | struct ieee80211_tx_control *control) | ||
507 | { | ||
508 | struct ieee80211_tx_queue_stats_data *current_queue; | ||
509 | struct p54_common *priv = dev->priv; | ||
510 | struct p54_control_hdr *hdr; | ||
511 | struct p54_tx_control_allocdata *txhdr; | ||
512 | struct ieee80211_tx_control *control_copy; | ||
513 | size_t padding, len; | ||
514 | u8 rate; | ||
515 | |||
516 | current_queue = &priv->tx_stats.data[control->queue]; | ||
517 | if (unlikely(current_queue->len > current_queue->limit)) | ||
518 | return NETDEV_TX_BUSY; | ||
519 | current_queue->len++; | ||
520 | current_queue->count++; | ||
521 | if (current_queue->len == current_queue->limit) | ||
522 | ieee80211_stop_queue(dev, control->queue); | ||
523 | |||
524 | padding = (unsigned long)(skb->data - (sizeof(*hdr) + sizeof(*txhdr))) & 3; | ||
525 | len = skb->len; | ||
526 | |||
527 | control_copy = kmalloc(sizeof(*control), GFP_ATOMIC); | ||
528 | if (control_copy) | ||
529 | memcpy(control_copy, control, sizeof(*control)); | ||
530 | |||
531 | txhdr = (struct p54_tx_control_allocdata *) | ||
532 | skb_push(skb, sizeof(*txhdr) + padding); | ||
533 | hdr = (struct p54_control_hdr *) skb_push(skb, sizeof(*hdr)); | ||
534 | |||
535 | if (padding) | ||
536 | hdr->magic1 = cpu_to_le16(0x4010); | ||
537 | else | ||
538 | hdr->magic1 = cpu_to_le16(0x0010); | ||
539 | hdr->len = cpu_to_le16(len); | ||
540 | hdr->type = (control->flags & IEEE80211_TXCTL_NO_ACK) ? 0 : cpu_to_le16(1); | ||
541 | hdr->retry1 = hdr->retry2 = control->retry_limit; | ||
542 | p54_assign_address(dev, skb, hdr, skb->len, control_copy); | ||
543 | |||
544 | memset(txhdr->wep_key, 0x0, 16); | ||
545 | txhdr->padding = 0; | ||
546 | txhdr->padding2 = 0; | ||
547 | |||
548 | /* TODO: add support for alternate retry TX rates */ | ||
549 | rate = control->tx_rate; | ||
550 | if (control->flags & IEEE80211_TXCTL_USE_RTS_CTS) | ||
551 | rate |= 0x40; | ||
552 | else if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) | ||
553 | rate |= 0x20; | ||
554 | memset(txhdr->rateset, rate, 8); | ||
555 | txhdr->wep_key_present = 0; | ||
556 | txhdr->wep_key_len = 0; | ||
557 | txhdr->frame_type = cpu_to_le32(control->queue + 4); | ||
558 | txhdr->magic4 = 0; | ||
559 | txhdr->antenna = (control->antenna_sel_tx == 0) ? | ||
560 | 2 : control->antenna_sel_tx - 1; | ||
561 | txhdr->output_power = 0x7f; // HW Maximum | ||
562 | txhdr->magic5 = (control->flags & IEEE80211_TXCTL_NO_ACK) ? | ||
563 | 0 : ((rate > 0x3) ? cpu_to_le32(0x33) : cpu_to_le32(0x23)); | ||
564 | if (padding) | ||
565 | txhdr->align[0] = padding; | ||
566 | |||
567 | priv->tx(dev, hdr, skb->len, 0); | ||
568 | return 0; | ||
569 | } | ||
570 | |||
571 | static int p54_set_filter(struct ieee80211_hw *dev, u16 filter_type, | ||
572 | const u8 *dst, const u8 *src, u8 antenna, | ||
573 | u32 magic3, u32 magic8, u32 magic9) | ||
574 | { | ||
575 | struct p54_common *priv = dev->priv; | ||
576 | struct p54_control_hdr *hdr; | ||
577 | struct p54_tx_control_filter *filter; | ||
578 | |||
579 | hdr = kzalloc(sizeof(*hdr) + sizeof(*filter) + | ||
580 | priv->tx_hdr_len, GFP_KERNEL); | ||
581 | if (!hdr) | ||
582 | return -ENOMEM; | ||
583 | |||
584 | hdr = (void *)hdr + priv->tx_hdr_len; | ||
585 | |||
586 | filter = (struct p54_tx_control_filter *) hdr->data; | ||
587 | hdr->magic1 = cpu_to_le16(0x8001); | ||
588 | hdr->len = cpu_to_le16(sizeof(*filter)); | ||
589 | p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*filter), NULL); | ||
590 | hdr->type = cpu_to_le16(P54_CONTROL_TYPE_FILTER_SET); | ||
591 | |||
592 | filter->filter_type = cpu_to_le16(filter_type); | ||
593 | memcpy(filter->dst, dst, ETH_ALEN); | ||
594 | if (!src) | ||
595 | memset(filter->src, ~0, ETH_ALEN); | ||
596 | else | ||
597 | memcpy(filter->src, src, ETH_ALEN); | ||
598 | filter->antenna = antenna; | ||
599 | filter->magic3 = cpu_to_le32(magic3); | ||
600 | filter->rx_addr = cpu_to_le32(priv->rx_end); | ||
601 | filter->max_rx = cpu_to_le16(0x0620); /* FIXME: for usb ver 1.. maybe */ | ||
602 | filter->rxhw = priv->rxhw; | ||
603 | filter->magic8 = cpu_to_le16(magic8); | ||
604 | filter->magic9 = cpu_to_le16(magic9); | ||
605 | |||
606 | priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*filter), 1); | ||
607 | return 0; | ||
608 | } | ||
609 | |||
610 | static int p54_set_freq(struct ieee80211_hw *dev, __le16 freq) | ||
611 | { | ||
612 | struct p54_common *priv = dev->priv; | ||
613 | struct p54_control_hdr *hdr; | ||
614 | struct p54_tx_control_channel *chan; | ||
615 | unsigned int i; | ||
616 | size_t payload_len = sizeof(*chan) + sizeof(u32)*2 + | ||
617 | sizeof(*chan->curve_data) * | ||
618 | priv->curve_data->points_per_channel; | ||
619 | void *entry; | ||
620 | |||
621 | hdr = kzalloc(sizeof(*hdr) + payload_len + | ||
622 | priv->tx_hdr_len, GFP_KERNEL); | ||
623 | if (!hdr) | ||
624 | return -ENOMEM; | ||
625 | |||
626 | hdr = (void *)hdr + priv->tx_hdr_len; | ||
627 | |||
628 | chan = (struct p54_tx_control_channel *) hdr->data; | ||
629 | |||
630 | hdr->magic1 = cpu_to_le16(0x8001); | ||
631 | hdr->len = cpu_to_le16(sizeof(*chan)); | ||
632 | hdr->type = cpu_to_le16(P54_CONTROL_TYPE_CHANNEL_CHANGE); | ||
633 | p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + payload_len, NULL); | ||
634 | |||
635 | chan->magic1 = cpu_to_le16(0x1); | ||
636 | chan->magic2 = cpu_to_le16(0x0); | ||
637 | |||
638 | for (i = 0; i < priv->iq_autocal_len; i++) { | ||
639 | if (priv->iq_autocal[i].freq != freq) | ||
640 | continue; | ||
641 | |||
642 | memcpy(&chan->iq_autocal, &priv->iq_autocal[i], | ||
643 | sizeof(*priv->iq_autocal)); | ||
644 | break; | ||
645 | } | ||
646 | if (i == priv->iq_autocal_len) | ||
647 | goto err; | ||
648 | |||
649 | for (i = 0; i < priv->output_limit_len; i++) { | ||
650 | if (priv->output_limit[i].freq != freq) | ||
651 | continue; | ||
652 | |||
653 | chan->val_barker = 0x38; | ||
654 | chan->val_bpsk = priv->output_limit[i].val_bpsk; | ||
655 | chan->val_qpsk = priv->output_limit[i].val_qpsk; | ||
656 | chan->val_16qam = priv->output_limit[i].val_16qam; | ||
657 | chan->val_64qam = priv->output_limit[i].val_64qam; | ||
658 | break; | ||
659 | } | ||
660 | if (i == priv->output_limit_len) | ||
661 | goto err; | ||
662 | |||
663 | chan->pa_points_per_curve = priv->curve_data->points_per_channel; | ||
664 | |||
665 | entry = priv->curve_data->data; | ||
666 | for (i = 0; i < priv->curve_data->channels; i++) { | ||
667 | if (*((__le16 *)entry) != freq) { | ||
668 | entry += sizeof(__le16); | ||
669 | entry += sizeof(struct pda_pa_curve_data_sample_rev1) * | ||
670 | chan->pa_points_per_curve; | ||
671 | continue; | ||
672 | } | ||
673 | |||
674 | entry += sizeof(__le16); | ||
675 | memcpy(chan->curve_data, entry, sizeof(*chan->curve_data) * | ||
676 | chan->pa_points_per_curve); | ||
677 | break; | ||
678 | } | ||
679 | |||
680 | memcpy(hdr->data + payload_len - 4, &chan->val_bpsk, 4); | ||
681 | |||
682 | priv->tx(dev, hdr, sizeof(*hdr) + payload_len, 1); | ||
683 | return 0; | ||
684 | |||
685 | err: | ||
686 | printk(KERN_ERR "%s: frequency change failed\n", wiphy_name(dev->wiphy)); | ||
687 | kfree(hdr); | ||
688 | return -EINVAL; | ||
689 | } | ||
690 | |||
691 | static int p54_set_leds(struct ieee80211_hw *dev, int mode, int link, int act) | ||
692 | { | ||
693 | struct p54_common *priv = dev->priv; | ||
694 | struct p54_control_hdr *hdr; | ||
695 | struct p54_tx_control_led *led; | ||
696 | |||
697 | hdr = kzalloc(sizeof(*hdr) + sizeof(*led) + | ||
698 | priv->tx_hdr_len, GFP_KERNEL); | ||
699 | if (!hdr) | ||
700 | return -ENOMEM; | ||
701 | |||
702 | hdr = (void *)hdr + priv->tx_hdr_len; | ||
703 | hdr->magic1 = cpu_to_le16(0x8001); | ||
704 | hdr->len = cpu_to_le16(sizeof(*led)); | ||
705 | hdr->type = cpu_to_le16(P54_CONTROL_TYPE_LED); | ||
706 | p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*led), NULL); | ||
707 | |||
708 | led = (struct p54_tx_control_led *) hdr->data; | ||
709 | led->mode = cpu_to_le16(mode); | ||
710 | led->led_permanent = cpu_to_le16(link); | ||
711 | led->led_temporary = cpu_to_le16(act); | ||
712 | led->duration = cpu_to_le16(1000); | ||
713 | |||
714 | priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*led), 1); | ||
715 | |||
716 | return 0; | ||
717 | } | ||
718 | |||
719 | #define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, burst) \ | ||
720 | do { \ | ||
721 | queue.aifs = cpu_to_le16(ai_fs); \ | ||
722 | queue.cwmin = cpu_to_le16(cw_min); \ | ||
723 | queue.cwmax = cpu_to_le16(cw_max); \ | ||
724 | queue.txop = (burst == 0) ? \ | ||
725 | 0 : cpu_to_le16((burst * 100) / 32 + 1); \ | ||
726 | } while(0) | ||
727 | |||
728 | static void p54_init_vdcf(struct ieee80211_hw *dev) | ||
729 | { | ||
730 | struct p54_common *priv = dev->priv; | ||
731 | struct p54_control_hdr *hdr; | ||
732 | struct p54_tx_control_vdcf *vdcf; | ||
733 | |||
734 | /* all USB V1 adapters need a extra headroom */ | ||
735 | hdr = (void *)priv->cached_vdcf + priv->tx_hdr_len; | ||
736 | hdr->magic1 = cpu_to_le16(0x8001); | ||
737 | hdr->len = cpu_to_le16(sizeof(*vdcf)); | ||
738 | hdr->type = cpu_to_le16(P54_CONTROL_TYPE_DCFINIT); | ||
739 | hdr->req_id = cpu_to_le32(priv->rx_start); | ||
740 | |||
741 | vdcf = (struct p54_tx_control_vdcf *) hdr->data; | ||
742 | |||
743 | P54_SET_QUEUE(vdcf->queue[0], 0x0002, 0x0003, 0x0007, 0x000f); | ||
744 | P54_SET_QUEUE(vdcf->queue[1], 0x0002, 0x0007, 0x000f, 0x001e); | ||
745 | P54_SET_QUEUE(vdcf->queue[2], 0x0002, 0x000f, 0x03ff, 0x0014); | ||
746 | P54_SET_QUEUE(vdcf->queue[3], 0x0007, 0x000f, 0x03ff, 0x0000); | ||
747 | } | ||
748 | |||
749 | static void p54_set_vdcf(struct ieee80211_hw *dev) | ||
750 | { | ||
751 | struct p54_common *priv = dev->priv; | ||
752 | struct p54_control_hdr *hdr; | ||
753 | struct p54_tx_control_vdcf *vdcf; | ||
754 | |||
755 | hdr = (void *)priv->cached_vdcf + priv->tx_hdr_len; | ||
756 | |||
757 | p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*vdcf), NULL); | ||
758 | |||
759 | vdcf = (struct p54_tx_control_vdcf *) hdr->data; | ||
760 | |||
761 | if (dev->conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME) { | ||
762 | vdcf->slottime = 9; | ||
763 | vdcf->magic1 = 0x00; | ||
764 | vdcf->magic2 = 0x10; | ||
765 | } else { | ||
766 | vdcf->slottime = 20; | ||
767 | vdcf->magic1 = 0x0a; | ||
768 | vdcf->magic2 = 0x06; | ||
769 | } | ||
770 | |||
771 | /* (see prism54/isl_oid.h for further details) */ | ||
772 | vdcf->frameburst = cpu_to_le16(0); | ||
773 | |||
774 | priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*vdcf), 0); | ||
775 | } | ||
776 | |||
777 | static int p54_add_interface(struct ieee80211_hw *dev, | ||
778 | struct ieee80211_if_init_conf *conf) | ||
779 | { | ||
780 | struct p54_common *priv = dev->priv; | ||
781 | int err; | ||
782 | |||
783 | /* NOTE: using IEEE80211_IF_TYPE_MGMT to indicate no mode selected */ | ||
784 | if (priv->mode != IEEE80211_IF_TYPE_MGMT) | ||
785 | return -1; | ||
786 | |||
787 | switch (conf->type) { | ||
788 | case IEEE80211_IF_TYPE_STA: | ||
789 | priv->mode = conf->type; | ||
790 | break; | ||
791 | default: | ||
792 | return -EOPNOTSUPP; | ||
793 | } | ||
794 | |||
795 | priv->mac_addr = conf->mac_addr; | ||
796 | |||
797 | err = priv->open(dev); | ||
798 | if (err) { | ||
799 | priv->mode = IEEE80211_IF_TYPE_MGMT; | ||
800 | skb_queue_purge(&priv->tx_queue); | ||
801 | return err; | ||
802 | } | ||
803 | |||
804 | p54_set_filter(dev, 0, priv->mac_addr, NULL, 0, 1, 0, 0xF642); | ||
805 | p54_set_filter(dev, 0, priv->mac_addr, NULL, 1, 0, 0, 0xF642); | ||
806 | p54_set_vdcf(dev); | ||
807 | |||
808 | switch (conf->type) { | ||
809 | case IEEE80211_IF_TYPE_STA: | ||
810 | p54_set_filter(dev, 1, priv->mac_addr, NULL, 0, 0x15F, 0x1F4, 0); | ||
811 | break; | ||
812 | } | ||
813 | |||
814 | p54_set_leds(dev, 1, 0, 0); | ||
815 | |||
816 | return 0; | ||
817 | } | ||
818 | |||
819 | static void p54_remove_interface(struct ieee80211_hw *dev, | ||
820 | struct ieee80211_if_init_conf *conf) | ||
821 | { | ||
822 | struct p54_common *priv = dev->priv; | ||
823 | struct sk_buff *skb; | ||
824 | while ((skb = skb_dequeue(&priv->tx_queue))) { | ||
825 | struct memrecord *range = (struct memrecord *)&skb->cb; | ||
826 | if (range->control) | ||
827 | kfree(range->control); | ||
828 | kfree_skb(skb); | ||
829 | } | ||
830 | priv->mode = IEEE80211_IF_TYPE_MGMT; | ||
831 | priv->stop(dev); | ||
832 | } | ||
833 | |||
834 | static int p54_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf) | ||
835 | { | ||
836 | int ret; | ||
837 | |||
838 | ret = p54_set_freq(dev, cpu_to_le16(conf->freq)); | ||
839 | p54_set_vdcf(dev); | ||
840 | return ret; | ||
841 | } | ||
842 | |||
843 | static int p54_config_interface(struct ieee80211_hw *dev, int if_id, | ||
844 | struct ieee80211_if_conf *conf) | ||
845 | { | ||
846 | struct p54_common *priv = dev->priv; | ||
847 | |||
848 | p54_set_filter(dev, 0, priv->mac_addr, conf->bssid, 0, 1, 0, 0xF642); | ||
849 | p54_set_filter(dev, 0, priv->mac_addr, conf->bssid, 2, 0, 0, 0); | ||
850 | p54_set_leds(dev, 1, !is_multicast_ether_addr(conf->bssid), 0); | ||
851 | return 0; | ||
852 | } | ||
853 | |||
854 | static int p54_conf_tx(struct ieee80211_hw *dev, int queue, | ||
855 | const struct ieee80211_tx_queue_params *params) | ||
856 | { | ||
857 | struct p54_common *priv = dev->priv; | ||
858 | struct p54_tx_control_vdcf *vdcf; | ||
859 | |||
860 | vdcf = (struct p54_tx_control_vdcf *)(((struct p54_control_hdr *) | ||
861 | ((void *)priv->cached_vdcf + priv->tx_hdr_len))->data); | ||
862 | |||
863 | if ((params) && !((queue < 0) || (queue > 4))) { | ||
864 | P54_SET_QUEUE(vdcf->queue[queue], params->aifs, | ||
865 | params->cw_min, params->cw_max, params->burst_time); | ||
866 | } else | ||
867 | return -EINVAL; | ||
868 | |||
869 | p54_set_vdcf(dev); | ||
870 | |||
871 | return 0; | ||
872 | } | ||
873 | |||
874 | static int p54_get_stats(struct ieee80211_hw *dev, | ||
875 | struct ieee80211_low_level_stats *stats) | ||
876 | { | ||
877 | /* TODO */ | ||
878 | return 0; | ||
879 | } | ||
880 | |||
881 | static int p54_get_tx_stats(struct ieee80211_hw *dev, | ||
882 | struct ieee80211_tx_queue_stats *stats) | ||
883 | { | ||
884 | struct p54_common *priv = dev->priv; | ||
885 | unsigned int i; | ||
886 | |||
887 | for (i = 0; i < dev->queues; i++) | ||
888 | memcpy(&stats->data[i], &priv->tx_stats.data[i], | ||
889 | sizeof(stats->data[i])); | ||
890 | |||
891 | return 0; | ||
892 | } | ||
893 | |||
894 | static const struct ieee80211_ops p54_ops = { | ||
895 | .tx = p54_tx, | ||
896 | .add_interface = p54_add_interface, | ||
897 | .remove_interface = p54_remove_interface, | ||
898 | .config = p54_config, | ||
899 | .config_interface = p54_config_interface, | ||
900 | .conf_tx = p54_conf_tx, | ||
901 | .get_stats = p54_get_stats, | ||
902 | .get_tx_stats = p54_get_tx_stats | ||
903 | }; | ||
904 | |||
905 | struct ieee80211_hw *p54_init_common(size_t priv_data_len) | ||
906 | { | ||
907 | struct ieee80211_hw *dev; | ||
908 | struct p54_common *priv; | ||
909 | int i; | ||
910 | |||
911 | dev = ieee80211_alloc_hw(priv_data_len, &p54_ops); | ||
912 | if (!dev) | ||
913 | return NULL; | ||
914 | |||
915 | priv = dev->priv; | ||
916 | priv->mode = IEEE80211_IF_TYPE_MGMT; | ||
917 | skb_queue_head_init(&priv->tx_queue); | ||
918 | memcpy(priv->channels, p54_channels, sizeof(p54_channels)); | ||
919 | memcpy(priv->rates, p54_rates, sizeof(p54_rates)); | ||
920 | priv->modes[1].mode = MODE_IEEE80211B; | ||
921 | priv->modes[1].num_rates = 4; | ||
922 | priv->modes[1].rates = priv->rates; | ||
923 | priv->modes[1].num_channels = ARRAY_SIZE(p54_channels); | ||
924 | priv->modes[1].channels = priv->channels; | ||
925 | priv->modes[0].mode = MODE_IEEE80211G; | ||
926 | priv->modes[0].num_rates = ARRAY_SIZE(p54_rates); | ||
927 | priv->modes[0].rates = priv->rates; | ||
928 | priv->modes[0].num_channels = ARRAY_SIZE(p54_channels); | ||
929 | priv->modes[0].channels = priv->channels; | ||
930 | dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | /* not sure */ | ||
931 | IEEE80211_HW_RX_INCLUDES_FCS; | ||
932 | dev->channel_change_time = 1000; /* TODO: find actual value */ | ||
933 | dev->max_rssi = 127; | ||
934 | |||
935 | priv->tx_stats.data[0].limit = 5; | ||
936 | dev->queues = 1; | ||
937 | |||
938 | dev->extra_tx_headroom = sizeof(struct p54_control_hdr) + 4 + | ||
939 | sizeof(struct p54_tx_control_allocdata); | ||
940 | |||
941 | priv->cached_vdcf = kzalloc(sizeof(struct p54_tx_control_vdcf) + | ||
942 | priv->tx_hdr_len + sizeof(struct p54_control_hdr), GFP_KERNEL); | ||
943 | |||
944 | if (!priv->cached_vdcf) { | ||
945 | ieee80211_free_hw(dev); | ||
946 | return NULL; | ||
947 | } | ||
948 | |||
949 | p54_init_vdcf(dev); | ||
950 | |||
951 | for (i = 0; i < 2; i++) { | ||
952 | if (ieee80211_register_hwmode(dev, &priv->modes[i])) { | ||
953 | kfree(priv->cached_vdcf); | ||
954 | ieee80211_free_hw(dev); | ||
955 | return NULL; | ||
956 | } | ||
957 | } | ||
958 | |||
959 | return dev; | ||
960 | } | ||
961 | EXPORT_SYMBOL_GPL(p54_init_common); | ||
962 | |||
963 | void p54_free_common(struct ieee80211_hw *dev) | ||
964 | { | ||
965 | struct p54_common *priv = dev->priv; | ||
966 | kfree(priv->iq_autocal); | ||
967 | kfree(priv->output_limit); | ||
968 | kfree(priv->curve_data); | ||
969 | kfree(priv->cached_vdcf); | ||
970 | } | ||
971 | EXPORT_SYMBOL_GPL(p54_free_common); | ||
972 | |||
973 | static int __init p54_init(void) | ||
974 | { | ||
975 | return 0; | ||
976 | } | ||
977 | |||
978 | static void __exit p54_exit(void) | ||
979 | { | ||
980 | } | ||
981 | |||
982 | module_init(p54_init); | ||
983 | module_exit(p54_exit); | ||
diff --git a/drivers/net/wireless/p54common.h b/drivers/net/wireless/p54common.h new file mode 100644 index 000000000000..a721334e20d9 --- /dev/null +++ b/drivers/net/wireless/p54common.h | |||
@@ -0,0 +1,329 @@ | |||
1 | #ifndef PRISM54COMMON_H | ||
2 | #define PRISM54COMMON_H | ||
3 | |||
4 | /* | ||
5 | * Common code specific definitions for mac80211 Prism54 drivers | ||
6 | * | ||
7 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> | ||
8 | * Copyright (c) 2007, Christian Lamparter <chunkeey@web.de> | ||
9 | * | ||
10 | * Based on the islsm (softmac prism54) driver, which is: | ||
11 | * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. | ||
12 | * | ||
13 | * This program is free software; you can redistribute it and/or modify | ||
14 | * it under the terms of the GNU General Public License version 2 as | ||
15 | * published by the Free Software Foundation. | ||
16 | */ | ||
17 | |||
18 | struct bootrec { | ||
19 | __le32 code; | ||
20 | __le32 len; | ||
21 | u32 data[0]; | ||
22 | } __attribute__((packed)); | ||
23 | |||
24 | struct bootrec_exp_if { | ||
25 | __le16 role; | ||
26 | __le16 if_id; | ||
27 | __le16 variant; | ||
28 | __le16 btm_compat; | ||
29 | __le16 top_compat; | ||
30 | } __attribute__((packed)); | ||
31 | |||
32 | #define BR_CODE_MIN 0x80000000 | ||
33 | #define BR_CODE_COMPONENT_ID 0x80000001 | ||
34 | #define BR_CODE_COMPONENT_VERSION 0x80000002 | ||
35 | #define BR_CODE_DEPENDENT_IF 0x80000003 | ||
36 | #define BR_CODE_EXPOSED_IF 0x80000004 | ||
37 | #define BR_CODE_DESCR 0x80000101 | ||
38 | #define BR_CODE_MAX 0x8FFFFFFF | ||
39 | #define BR_CODE_END_OF_BRA 0xFF0000FF | ||
40 | #define LEGACY_BR_CODE_END_OF_BRA 0xFFFFFFFF | ||
41 | |||
42 | #define FW_FMAC 0x464d4143 | ||
43 | #define FW_LM86 0x4c4d3836 | ||
44 | #define FW_LM87 0x4c4d3837 | ||
45 | #define FW_LM20 0x4c4d3230 | ||
46 | |||
47 | /* PDA defines are Copyright (C) 2005 Nokia Corporation (taken from islsm_pda.h) */ | ||
48 | |||
49 | struct pda_entry { | ||
50 | __le16 len; /* includes both code and data */ | ||
51 | __le16 code; | ||
52 | u8 data[0]; | ||
53 | } __attribute__ ((packed)); | ||
54 | |||
55 | struct eeprom_pda_wrap { | ||
56 | u32 magic; | ||
57 | u16 pad; | ||
58 | u16 len; | ||
59 | u32 arm_opcode; | ||
60 | u8 data[0]; | ||
61 | } __attribute__ ((packed)); | ||
62 | |||
63 | struct pda_iq_autocal_entry { | ||
64 | __le16 freq; | ||
65 | __le16 iq_param[4]; | ||
66 | } __attribute__ ((packed)); | ||
67 | |||
68 | struct pda_channel_output_limit { | ||
69 | __le16 freq; | ||
70 | u8 val_bpsk; | ||
71 | u8 val_qpsk; | ||
72 | u8 val_16qam; | ||
73 | u8 val_64qam; | ||
74 | u8 rate_set_mask; | ||
75 | u8 rate_set_size; | ||
76 | } __attribute__ ((packed)); | ||
77 | |||
78 | struct pda_pa_curve_data_sample_rev0 { | ||
79 | u8 rf_power; | ||
80 | u8 pa_detector; | ||
81 | u8 pcv; | ||
82 | } __attribute__ ((packed)); | ||
83 | |||
84 | struct pda_pa_curve_data_sample_rev1 { | ||
85 | u8 rf_power; | ||
86 | u8 pa_detector; | ||
87 | u8 data_barker; | ||
88 | u8 data_bpsk; | ||
89 | u8 data_qpsk; | ||
90 | u8 data_16qam; | ||
91 | u8 data_64qam; | ||
92 | u8 padding; | ||
93 | } __attribute__ ((packed)); | ||
94 | |||
95 | struct pda_pa_curve_data { | ||
96 | u8 cal_method_rev; | ||
97 | u8 channels; | ||
98 | u8 points_per_channel; | ||
99 | u8 padding; | ||
100 | u8 data[0]; | ||
101 | } __attribute__ ((packed)); | ||
102 | |||
103 | /* | ||
104 | * this defines the PDR codes used to build PDAs as defined in document | ||
105 | * number 553155. The current implementation mirrors version 1.1 of the | ||
106 | * document and lists only PDRs supported by the ARM platform. | ||
107 | */ | ||
108 | |||
109 | /* common and choice range (0x0000 - 0x0fff) */ | ||
110 | #define PDR_END 0x0000 | ||
111 | #define PDR_MANUFACTURING_PART_NUMBER 0x0001 | ||
112 | #define PDR_PDA_VERSION 0x0002 | ||
113 | #define PDR_NIC_SERIAL_NUMBER 0x0003 | ||
114 | |||
115 | #define PDR_MAC_ADDRESS 0x0101 | ||
116 | #define PDR_REGULATORY_DOMAIN_LIST 0x0103 | ||
117 | #define PDR_TEMPERATURE_TYPE 0x0107 | ||
118 | |||
119 | #define PDR_PRISM_PCI_IDENTIFIER 0x0402 | ||
120 | |||
121 | /* ARM range (0x1000 - 0x1fff) */ | ||
122 | #define PDR_COUNTRY_INFORMATION 0x1000 | ||
123 | #define PDR_INTERFACE_LIST 0x1001 | ||
124 | #define PDR_HARDWARE_PLATFORM_COMPONENT_ID 0x1002 | ||
125 | #define PDR_OEM_NAME 0x1003 | ||
126 | #define PDR_PRODUCT_NAME 0x1004 | ||
127 | #define PDR_UTF8_OEM_NAME 0x1005 | ||
128 | #define PDR_UTF8_PRODUCT_NAME 0x1006 | ||
129 | #define PDR_COUNTRY_LIST 0x1007 | ||
130 | #define PDR_DEFAULT_COUNTRY 0x1008 | ||
131 | |||
132 | #define PDR_ANTENNA_GAIN 0x1100 | ||
133 | |||
134 | #define PDR_PRISM_INDIGO_PA_CALIBRATION_DATA 0x1901 | ||
135 | #define PDR_RSSI_LINEAR_APPROXIMATION 0x1902 | ||
136 | #define PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS 0x1903 | ||
137 | #define PDR_PRISM_PA_CAL_CURVE_DATA 0x1904 | ||
138 | #define PDR_RSSI_LINEAR_APPROXIMATION_DUAL_BAND 0x1905 | ||
139 | #define PDR_PRISM_ZIF_TX_IQ_CALIBRATION 0x1906 | ||
140 | #define PDR_REGULATORY_POWER_LIMITS 0x1907 | ||
141 | #define PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED 0x1908 | ||
142 | #define PDR_RADIATED_TRANSMISSION_CORRECTION 0x1909 | ||
143 | #define PDR_PRISM_TX_IQ_CALIBRATION 0x190a | ||
144 | |||
145 | /* reserved range (0x2000 - 0x7fff) */ | ||
146 | |||
147 | /* customer range (0x8000 - 0xffff) */ | ||
148 | #define PDR_BASEBAND_REGISTERS 0x8000 | ||
149 | #define PDR_PER_CHANNEL_BASEBAND_REGISTERS 0x8001 | ||
150 | |||
151 | /* stored in skb->cb */ | ||
152 | struct memrecord { | ||
153 | u32 start_addr; | ||
154 | u32 end_addr; | ||
155 | struct ieee80211_tx_control *control; | ||
156 | }; | ||
157 | |||
158 | struct p54_eeprom_lm86 { | ||
159 | __le16 offset; | ||
160 | __le16 len; | ||
161 | u8 data[0]; | ||
162 | } __attribute__ ((packed)); | ||
163 | |||
164 | struct p54_rx_hdr { | ||
165 | __le16 magic; | ||
166 | __le16 len; | ||
167 | __le16 freq; | ||
168 | u8 antenna; | ||
169 | u8 rate; | ||
170 | u8 rssi; | ||
171 | u8 quality; | ||
172 | u16 unknown2; | ||
173 | __le64 timestamp; | ||
174 | u8 data[0]; | ||
175 | } __attribute__ ((packed)); | ||
176 | |||
177 | struct p54_frame_sent_hdr { | ||
178 | u8 status; | ||
179 | u8 retries; | ||
180 | __le16 ack_rssi; | ||
181 | __le16 seq; | ||
182 | u16 rate; | ||
183 | } __attribute__ ((packed)); | ||
184 | |||
185 | struct p54_tx_control_allocdata { | ||
186 | u8 rateset[8]; | ||
187 | u16 padding; | ||
188 | u8 wep_key_present; | ||
189 | u8 wep_key_len; | ||
190 | u8 wep_key[16]; | ||
191 | __le32 frame_type; | ||
192 | u32 padding2; | ||
193 | __le16 magic4; | ||
194 | u8 antenna; | ||
195 | u8 output_power; | ||
196 | __le32 magic5; | ||
197 | u8 align[0]; | ||
198 | } __attribute__ ((packed)); | ||
199 | |||
200 | struct p54_tx_control_filter { | ||
201 | __le16 filter_type; | ||
202 | u8 dst[ETH_ALEN]; | ||
203 | u8 src[ETH_ALEN]; | ||
204 | u8 antenna; | ||
205 | u8 debug; | ||
206 | __le32 magic3; | ||
207 | u8 rates[8]; // FIXME: what's this for? | ||
208 | __le32 rx_addr; | ||
209 | __le16 max_rx; | ||
210 | __le16 rxhw; | ||
211 | __le16 magic8; | ||
212 | __le16 magic9; | ||
213 | } __attribute__ ((packed)); | ||
214 | |||
215 | struct p54_tx_control_channel { | ||
216 | __le16 magic1; | ||
217 | __le16 magic2; | ||
218 | u8 padding1[20]; | ||
219 | struct pda_iq_autocal_entry iq_autocal; | ||
220 | u8 pa_points_per_curve; | ||
221 | u8 val_barker; | ||
222 | u8 val_bpsk; | ||
223 | u8 val_qpsk; | ||
224 | u8 val_16qam; | ||
225 | u8 val_64qam; | ||
226 | struct pda_pa_curve_data_sample_rev1 curve_data[0]; | ||
227 | /* additional padding/data after curve_data */ | ||
228 | } __attribute__ ((packed)); | ||
229 | |||
230 | struct p54_tx_control_led { | ||
231 | __le16 mode; | ||
232 | __le16 led_temporary; | ||
233 | __le16 led_permanent; | ||
234 | __le16 duration; | ||
235 | } __attribute__ ((packed)); | ||
236 | |||
237 | struct p54_tx_vdcf_queues { | ||
238 | __le16 aifs; | ||
239 | __le16 cwmin; | ||
240 | __le16 cwmax; | ||
241 | __le16 txop; | ||
242 | } __attribute__ ((packed)); | ||
243 | |||
244 | struct p54_tx_control_vdcf { | ||
245 | u8 padding; | ||
246 | u8 slottime; | ||
247 | u8 magic1; | ||
248 | u8 magic2; | ||
249 | struct p54_tx_vdcf_queues queue[8]; | ||
250 | u8 pad2[4]; | ||
251 | __le16 frameburst; | ||
252 | } __attribute__ ((packed)); | ||
253 | |||
254 | static const struct ieee80211_rate p54_rates[] = { | ||
255 | { .rate = 10, | ||
256 | .val = 0, | ||
257 | .val2 = 0x10, | ||
258 | .flags = IEEE80211_RATE_CCK_2 }, | ||
259 | { .rate = 20, | ||
260 | .val = 1, | ||
261 | .val2 = 0x11, | ||
262 | .flags = IEEE80211_RATE_CCK_2 }, | ||
263 | { .rate = 55, | ||
264 | .val = 2, | ||
265 | .val2 = 0x12, | ||
266 | .flags = IEEE80211_RATE_CCK_2 }, | ||
267 | { .rate = 110, | ||
268 | .val = 3, | ||
269 | .val2 = 0x13, | ||
270 | .flags = IEEE80211_RATE_CCK_2 }, | ||
271 | { .rate = 60, | ||
272 | .val = 4, | ||
273 | .flags = IEEE80211_RATE_OFDM }, | ||
274 | { .rate = 90, | ||
275 | .val = 5, | ||
276 | .flags = IEEE80211_RATE_OFDM }, | ||
277 | { .rate = 120, | ||
278 | .val = 6, | ||
279 | .flags = IEEE80211_RATE_OFDM }, | ||
280 | { .rate = 180, | ||
281 | .val = 7, | ||
282 | .flags = IEEE80211_RATE_OFDM }, | ||
283 | { .rate = 240, | ||
284 | .val = 8, | ||
285 | .flags = IEEE80211_RATE_OFDM }, | ||
286 | { .rate = 360, | ||
287 | .val = 9, | ||
288 | .flags = IEEE80211_RATE_OFDM }, | ||
289 | { .rate = 480, | ||
290 | .val = 10, | ||
291 | .flags = IEEE80211_RATE_OFDM }, | ||
292 | { .rate = 540, | ||
293 | .val = 11, | ||
294 | .flags = IEEE80211_RATE_OFDM }, | ||
295 | }; | ||
296 | |||
297 | // TODO: just generate this.. | ||
298 | static const struct ieee80211_channel p54_channels[] = { | ||
299 | { .chan = 1, | ||
300 | .freq = 2412}, | ||
301 | { .chan = 2, | ||
302 | .freq = 2417}, | ||
303 | { .chan = 3, | ||
304 | .freq = 2422}, | ||
305 | { .chan = 4, | ||
306 | .freq = 2427}, | ||
307 | { .chan = 5, | ||
308 | .freq = 2432}, | ||
309 | { .chan = 6, | ||
310 | .freq = 2437}, | ||
311 | { .chan = 7, | ||
312 | .freq = 2442}, | ||
313 | { .chan = 8, | ||
314 | .freq = 2447}, | ||
315 | { .chan = 9, | ||
316 | .freq = 2452}, | ||
317 | { .chan = 10, | ||
318 | .freq = 2457}, | ||
319 | { .chan = 11, | ||
320 | .freq = 2462}, | ||
321 | { .chan = 12, | ||
322 | .freq = 2467}, | ||
323 | { .chan = 13, | ||
324 | .freq = 2472}, | ||
325 | { .chan = 14, | ||
326 | .freq = 2484} | ||
327 | }; | ||
328 | |||
329 | #endif /* PRISM54COMMON_H */ | ||
diff --git a/drivers/net/wireless/p54pci.c b/drivers/net/wireless/p54pci.c new file mode 100644 index 000000000000..e9ecc663dc70 --- /dev/null +++ b/drivers/net/wireless/p54pci.c | |||
@@ -0,0 +1,691 @@ | |||
1 | |||
2 | /* | ||
3 | * Linux device driver for PCI based Prism54 | ||
4 | * | ||
5 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> | ||
6 | * | ||
7 | * Based on the islsm (softmac prism54) driver, which is: | ||
8 | * Copyright 2004-2006 Jean-Baptiste Note <jean-baptiste.note@m4x.org>, et al. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License version 2 as | ||
12 | * published by the Free Software Foundation. | ||
13 | */ | ||
14 | |||
15 | #include <linux/init.h> | ||
16 | #include <linux/pci.h> | ||
17 | #include <linux/firmware.h> | ||
18 | #include <linux/etherdevice.h> | ||
19 | #include <linux/delay.h> | ||
20 | #include <linux/completion.h> | ||
21 | #include <net/mac80211.h> | ||
22 | |||
23 | #include "p54.h" | ||
24 | #include "p54pci.h" | ||
25 | |||
26 | MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); | ||
27 | MODULE_DESCRIPTION("Prism54 PCI wireless driver"); | ||
28 | MODULE_LICENSE("GPL"); | ||
29 | MODULE_ALIAS("prism54pci"); | ||
30 | |||
31 | static struct pci_device_id p54p_table[] __devinitdata = { | ||
32 | /* Intersil PRISM Duette/Prism GT Wireless LAN adapter */ | ||
33 | { PCI_DEVICE(0x1260, 0x3890) }, | ||
34 | /* 3COM 3CRWE154G72 Wireless LAN adapter */ | ||
35 | { PCI_DEVICE(0x10b7, 0x6001) }, | ||
36 | /* Intersil PRISM Indigo Wireless LAN adapter */ | ||
37 | { PCI_DEVICE(0x1260, 0x3877) }, | ||
38 | /* Intersil PRISM Javelin/Xbow Wireless LAN adapter */ | ||
39 | { PCI_DEVICE(0x1260, 0x3886) }, | ||
40 | }; | ||
41 | |||
42 | MODULE_DEVICE_TABLE(pci, p54p_table); | ||
43 | |||
44 | static int p54p_upload_firmware(struct ieee80211_hw *dev) | ||
45 | { | ||
46 | struct p54p_priv *priv = dev->priv; | ||
47 | const struct firmware *fw_entry = NULL; | ||
48 | __le32 reg; | ||
49 | int err; | ||
50 | u32 *data; | ||
51 | u32 remains, left, device_addr; | ||
52 | |||
53 | P54P_WRITE(int_enable, 0); | ||
54 | P54P_READ(int_enable); | ||
55 | udelay(10); | ||
56 | |||
57 | reg = P54P_READ(ctrl_stat); | ||
58 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | ||
59 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RAMBOOT); | ||
60 | P54P_WRITE(ctrl_stat, reg); | ||
61 | P54P_READ(ctrl_stat); | ||
62 | udelay(10); | ||
63 | |||
64 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET); | ||
65 | P54P_WRITE(ctrl_stat, reg); | ||
66 | wmb(); | ||
67 | udelay(10); | ||
68 | |||
69 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | ||
70 | P54P_WRITE(ctrl_stat, reg); | ||
71 | wmb(); | ||
72 | |||
73 | mdelay(50); | ||
74 | |||
75 | err = request_firmware(&fw_entry, "isl3886", &priv->pdev->dev); | ||
76 | if (err) { | ||
77 | printk(KERN_ERR "%s (prism54pci): cannot find firmware " | ||
78 | "(isl3886)\n", pci_name(priv->pdev)); | ||
79 | return err; | ||
80 | } | ||
81 | |||
82 | p54_parse_firmware(dev, fw_entry); | ||
83 | |||
84 | data = (u32 *) fw_entry->data; | ||
85 | remains = fw_entry->size; | ||
86 | device_addr = ISL38XX_DEV_FIRMWARE_ADDR; | ||
87 | while (remains) { | ||
88 | u32 i = 0; | ||
89 | left = min((u32)0x1000, remains); | ||
90 | P54P_WRITE(direct_mem_base, cpu_to_le32(device_addr)); | ||
91 | P54P_READ(int_enable); | ||
92 | |||
93 | device_addr += 0x1000; | ||
94 | while (i < left) { | ||
95 | P54P_WRITE(direct_mem_win[i], *data++); | ||
96 | i += sizeof(u32); | ||
97 | } | ||
98 | |||
99 | remains -= left; | ||
100 | P54P_READ(int_enable); | ||
101 | } | ||
102 | |||
103 | release_firmware(fw_entry); | ||
104 | |||
105 | reg = P54P_READ(ctrl_stat); | ||
106 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN); | ||
107 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | ||
108 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RAMBOOT); | ||
109 | P54P_WRITE(ctrl_stat, reg); | ||
110 | P54P_READ(ctrl_stat); | ||
111 | udelay(10); | ||
112 | |||
113 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET); | ||
114 | P54P_WRITE(ctrl_stat, reg); | ||
115 | wmb(); | ||
116 | udelay(10); | ||
117 | |||
118 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | ||
119 | P54P_WRITE(ctrl_stat, reg); | ||
120 | wmb(); | ||
121 | udelay(10); | ||
122 | |||
123 | return 0; | ||
124 | } | ||
125 | |||
126 | static irqreturn_t p54p_simple_interrupt(int irq, void *dev_id) | ||
127 | { | ||
128 | struct p54p_priv *priv = (struct p54p_priv *) dev_id; | ||
129 | __le32 reg; | ||
130 | |||
131 | reg = P54P_READ(int_ident); | ||
132 | P54P_WRITE(int_ack, reg); | ||
133 | |||
134 | if (reg & P54P_READ(int_enable)) | ||
135 | complete(&priv->boot_comp); | ||
136 | |||
137 | return IRQ_HANDLED; | ||
138 | } | ||
139 | |||
140 | static int p54p_read_eeprom(struct ieee80211_hw *dev) | ||
141 | { | ||
142 | struct p54p_priv *priv = dev->priv; | ||
143 | int err; | ||
144 | struct p54_control_hdr *hdr; | ||
145 | void *eeprom; | ||
146 | dma_addr_t rx_mapping, tx_mapping; | ||
147 | u16 alen; | ||
148 | |||
149 | init_completion(&priv->boot_comp); | ||
150 | err = request_irq(priv->pdev->irq, &p54p_simple_interrupt, | ||
151 | IRQF_SHARED, "prism54pci", priv); | ||
152 | if (err) { | ||
153 | printk(KERN_ERR "%s (prism54pci): failed to register IRQ handler\n", | ||
154 | pci_name(priv->pdev)); | ||
155 | return err; | ||
156 | } | ||
157 | |||
158 | eeprom = kmalloc(0x2010 + EEPROM_READBACK_LEN, GFP_KERNEL); | ||
159 | if (!eeprom) { | ||
160 | printk(KERN_ERR "%s (prism54pci): no memory for eeprom!\n", | ||
161 | pci_name(priv->pdev)); | ||
162 | err = -ENOMEM; | ||
163 | goto out; | ||
164 | } | ||
165 | |||
166 | memset(priv->ring_control, 0, sizeof(*priv->ring_control)); | ||
167 | P54P_WRITE(ring_control_base, priv->ring_control_dma); | ||
168 | P54P_READ(ring_control_base); | ||
169 | udelay(10); | ||
170 | |||
171 | P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_INIT)); | ||
172 | P54P_READ(int_enable); | ||
173 | udelay(10); | ||
174 | |||
175 | P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET)); | ||
176 | |||
177 | if (!wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ)) { | ||
178 | printk(KERN_ERR "%s (prism54pci): Cannot boot firmware!\n", | ||
179 | pci_name(priv->pdev)); | ||
180 | err = -EINVAL; | ||
181 | goto out; | ||
182 | } | ||
183 | |||
184 | P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_UPDATE)); | ||
185 | P54P_READ(int_enable); | ||
186 | |||
187 | hdr = eeprom + 0x2010; | ||
188 | p54_fill_eeprom_readback(hdr); | ||
189 | hdr->req_id = cpu_to_le32(priv->common.rx_start); | ||
190 | |||
191 | rx_mapping = pci_map_single(priv->pdev, eeprom, | ||
192 | 0x2010, PCI_DMA_FROMDEVICE); | ||
193 | tx_mapping = pci_map_single(priv->pdev, (void *)hdr, | ||
194 | EEPROM_READBACK_LEN, PCI_DMA_TODEVICE); | ||
195 | |||
196 | priv->ring_control->rx_mgmt[0].host_addr = cpu_to_le32(rx_mapping); | ||
197 | priv->ring_control->rx_mgmt[0].len = cpu_to_le16(0x2010); | ||
198 | priv->ring_control->tx_data[0].host_addr = cpu_to_le32(tx_mapping); | ||
199 | priv->ring_control->tx_data[0].device_addr = hdr->req_id; | ||
200 | priv->ring_control->tx_data[0].len = cpu_to_le16(EEPROM_READBACK_LEN); | ||
201 | |||
202 | priv->ring_control->host_idx[2] = cpu_to_le32(1); | ||
203 | priv->ring_control->host_idx[1] = cpu_to_le32(1); | ||
204 | |||
205 | wmb(); | ||
206 | mdelay(100); | ||
207 | P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE)); | ||
208 | |||
209 | wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ); | ||
210 | wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ); | ||
211 | |||
212 | pci_unmap_single(priv->pdev, tx_mapping, | ||
213 | EEPROM_READBACK_LEN, PCI_DMA_TODEVICE); | ||
214 | pci_unmap_single(priv->pdev, rx_mapping, | ||
215 | 0x2010, PCI_DMA_FROMDEVICE); | ||
216 | |||
217 | alen = le16_to_cpu(priv->ring_control->rx_mgmt[0].len); | ||
218 | if (le32_to_cpu(priv->ring_control->device_idx[2]) != 1 || | ||
219 | alen < 0x10) { | ||
220 | printk(KERN_ERR "%s (prism54pci): Cannot read eeprom!\n", | ||
221 | pci_name(priv->pdev)); | ||
222 | err = -EINVAL; | ||
223 | goto out; | ||
224 | } | ||
225 | |||
226 | p54_parse_eeprom(dev, (u8 *)eeprom + 0x10, alen - 0x10); | ||
227 | |||
228 | out: | ||
229 | kfree(eeprom); | ||
230 | P54P_WRITE(int_enable, 0); | ||
231 | P54P_READ(int_enable); | ||
232 | udelay(10); | ||
233 | free_irq(priv->pdev->irq, priv); | ||
234 | P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET)); | ||
235 | return err; | ||
236 | } | ||
237 | |||
238 | static void p54p_refill_rx_ring(struct ieee80211_hw *dev) | ||
239 | { | ||
240 | struct p54p_priv *priv = dev->priv; | ||
241 | u32 limit, host_idx, idx; | ||
242 | |||
243 | host_idx = le32_to_cpu(priv->ring_control->host_idx[0]); | ||
244 | limit = host_idx; | ||
245 | limit -= le32_to_cpu(priv->ring_control->device_idx[0]); | ||
246 | limit = ARRAY_SIZE(priv->ring_control->rx_data) - limit; | ||
247 | |||
248 | idx = host_idx % ARRAY_SIZE(priv->ring_control->rx_data); | ||
249 | while (limit-- > 1) { | ||
250 | struct p54p_desc *desc = &priv->ring_control->rx_data[idx]; | ||
251 | |||
252 | if (!desc->host_addr) { | ||
253 | struct sk_buff *skb; | ||
254 | dma_addr_t mapping; | ||
255 | skb = dev_alloc_skb(MAX_RX_SIZE); | ||
256 | if (!skb) | ||
257 | break; | ||
258 | |||
259 | mapping = pci_map_single(priv->pdev, | ||
260 | skb_tail_pointer(skb), | ||
261 | MAX_RX_SIZE, | ||
262 | PCI_DMA_FROMDEVICE); | ||
263 | desc->host_addr = cpu_to_le32(mapping); | ||
264 | desc->device_addr = 0; // FIXME: necessary? | ||
265 | desc->len = cpu_to_le16(MAX_RX_SIZE); | ||
266 | desc->flags = 0; | ||
267 | priv->rx_buf[idx] = skb; | ||
268 | } | ||
269 | |||
270 | idx++; | ||
271 | host_idx++; | ||
272 | idx %= ARRAY_SIZE(priv->ring_control->rx_data); | ||
273 | } | ||
274 | |||
275 | wmb(); | ||
276 | priv->ring_control->host_idx[0] = cpu_to_le32(host_idx); | ||
277 | } | ||
278 | |||
279 | static irqreturn_t p54p_interrupt(int irq, void *dev_id) | ||
280 | { | ||
281 | struct ieee80211_hw *dev = dev_id; | ||
282 | struct p54p_priv *priv = dev->priv; | ||
283 | __le32 reg; | ||
284 | |||
285 | spin_lock(&priv->lock); | ||
286 | reg = P54P_READ(int_ident); | ||
287 | if (unlikely(reg == 0xFFFFFFFF)) { | ||
288 | spin_unlock(&priv->lock); | ||
289 | return IRQ_HANDLED; | ||
290 | } | ||
291 | |||
292 | P54P_WRITE(int_ack, reg); | ||
293 | |||
294 | reg &= P54P_READ(int_enable); | ||
295 | |||
296 | if (reg & cpu_to_le32(ISL38XX_INT_IDENT_UPDATE)) { | ||
297 | struct p54p_desc *desc; | ||
298 | u32 idx, i; | ||
299 | i = priv->tx_idx; | ||
300 | i %= ARRAY_SIZE(priv->ring_control->tx_data); | ||
301 | priv->tx_idx = idx = le32_to_cpu(priv->ring_control->device_idx[1]); | ||
302 | idx %= ARRAY_SIZE(priv->ring_control->tx_data); | ||
303 | |||
304 | while (i != idx) { | ||
305 | desc = &priv->ring_control->tx_data[i]; | ||
306 | if (priv->tx_buf[i]) { | ||
307 | kfree(priv->tx_buf[i]); | ||
308 | priv->tx_buf[i] = NULL; | ||
309 | } | ||
310 | |||
311 | pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr), | ||
312 | le16_to_cpu(desc->len), PCI_DMA_TODEVICE); | ||
313 | |||
314 | desc->host_addr = 0; | ||
315 | desc->device_addr = 0; | ||
316 | desc->len = 0; | ||
317 | desc->flags = 0; | ||
318 | |||
319 | i++; | ||
320 | i %= ARRAY_SIZE(priv->ring_control->tx_data); | ||
321 | } | ||
322 | |||
323 | i = priv->rx_idx; | ||
324 | i %= ARRAY_SIZE(priv->ring_control->rx_data); | ||
325 | priv->rx_idx = idx = le32_to_cpu(priv->ring_control->device_idx[0]); | ||
326 | idx %= ARRAY_SIZE(priv->ring_control->rx_data); | ||
327 | while (i != idx) { | ||
328 | u16 len; | ||
329 | struct sk_buff *skb; | ||
330 | desc = &priv->ring_control->rx_data[i]; | ||
331 | len = le16_to_cpu(desc->len); | ||
332 | skb = priv->rx_buf[i]; | ||
333 | |||
334 | skb_put(skb, len); | ||
335 | |||
336 | if (p54_rx(dev, skb)) { | ||
337 | pci_unmap_single(priv->pdev, | ||
338 | le32_to_cpu(desc->host_addr), | ||
339 | MAX_RX_SIZE, PCI_DMA_FROMDEVICE); | ||
340 | |||
341 | priv->rx_buf[i] = NULL; | ||
342 | desc->host_addr = 0; | ||
343 | } else { | ||
344 | skb_trim(skb, 0); | ||
345 | desc->len = cpu_to_le16(MAX_RX_SIZE); | ||
346 | } | ||
347 | |||
348 | i++; | ||
349 | i %= ARRAY_SIZE(priv->ring_control->rx_data); | ||
350 | } | ||
351 | |||
352 | p54p_refill_rx_ring(dev); | ||
353 | |||
354 | wmb(); | ||
355 | P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE)); | ||
356 | } else if (reg & cpu_to_le32(ISL38XX_INT_IDENT_INIT)) | ||
357 | complete(&priv->boot_comp); | ||
358 | |||
359 | spin_unlock(&priv->lock); | ||
360 | |||
361 | return reg ? IRQ_HANDLED : IRQ_NONE; | ||
362 | } | ||
363 | |||
364 | static void p54p_tx(struct ieee80211_hw *dev, struct p54_control_hdr *data, | ||
365 | size_t len, int free_on_tx) | ||
366 | { | ||
367 | struct p54p_priv *priv = dev->priv; | ||
368 | unsigned long flags; | ||
369 | struct p54p_desc *desc; | ||
370 | dma_addr_t mapping; | ||
371 | u32 device_idx, idx, i; | ||
372 | |||
373 | spin_lock_irqsave(&priv->lock, flags); | ||
374 | |||
375 | device_idx = le32_to_cpu(priv->ring_control->device_idx[1]); | ||
376 | idx = le32_to_cpu(priv->ring_control->host_idx[1]); | ||
377 | i = idx % ARRAY_SIZE(priv->ring_control->tx_data); | ||
378 | |||
379 | mapping = pci_map_single(priv->pdev, data, len, PCI_DMA_TODEVICE); | ||
380 | desc = &priv->ring_control->tx_data[i]; | ||
381 | desc->host_addr = cpu_to_le32(mapping); | ||
382 | desc->device_addr = data->req_id; | ||
383 | desc->len = cpu_to_le16(len); | ||
384 | desc->flags = 0; | ||
385 | |||
386 | wmb(); | ||
387 | priv->ring_control->host_idx[1] = cpu_to_le32(idx + 1); | ||
388 | |||
389 | if (free_on_tx) | ||
390 | priv->tx_buf[i] = data; | ||
391 | |||
392 | spin_unlock_irqrestore(&priv->lock, flags); | ||
393 | |||
394 | P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE)); | ||
395 | P54P_READ(dev_int); | ||
396 | |||
397 | /* FIXME: unlikely to happen because the device usually runs out of | ||
398 | memory before we fill the ring up, but we can make it impossible */ | ||
399 | if (idx - device_idx > ARRAY_SIZE(priv->ring_control->tx_data) - 2) | ||
400 | printk(KERN_INFO "%s: tx overflow.\n", wiphy_name(dev->wiphy)); | ||
401 | } | ||
402 | |||
403 | static int p54p_open(struct ieee80211_hw *dev) | ||
404 | { | ||
405 | struct p54p_priv *priv = dev->priv; | ||
406 | int err; | ||
407 | |||
408 | init_completion(&priv->boot_comp); | ||
409 | err = request_irq(priv->pdev->irq, &p54p_interrupt, | ||
410 | IRQF_SHARED, "prism54pci", dev); | ||
411 | if (err) { | ||
412 | printk(KERN_ERR "%s: failed to register IRQ handler\n", | ||
413 | wiphy_name(dev->wiphy)); | ||
414 | return err; | ||
415 | } | ||
416 | |||
417 | memset(priv->ring_control, 0, sizeof(*priv->ring_control)); | ||
418 | priv->rx_idx = priv->tx_idx = 0; | ||
419 | p54p_refill_rx_ring(dev); | ||
420 | |||
421 | p54p_upload_firmware(dev); | ||
422 | |||
423 | P54P_WRITE(ring_control_base, priv->ring_control_dma); | ||
424 | P54P_READ(ring_control_base); | ||
425 | wmb(); | ||
426 | udelay(10); | ||
427 | |||
428 | P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_INIT)); | ||
429 | P54P_READ(int_enable); | ||
430 | wmb(); | ||
431 | udelay(10); | ||
432 | |||
433 | P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET)); | ||
434 | P54P_READ(dev_int); | ||
435 | |||
436 | if (!wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ)) { | ||
437 | printk(KERN_ERR "%s: Cannot boot firmware!\n", | ||
438 | wiphy_name(dev->wiphy)); | ||
439 | free_irq(priv->pdev->irq, dev); | ||
440 | return -ETIMEDOUT; | ||
441 | } | ||
442 | |||
443 | P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_UPDATE)); | ||
444 | P54P_READ(int_enable); | ||
445 | wmb(); | ||
446 | udelay(10); | ||
447 | |||
448 | P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE)); | ||
449 | P54P_READ(dev_int); | ||
450 | wmb(); | ||
451 | udelay(10); | ||
452 | |||
453 | return 0; | ||
454 | } | ||
455 | |||
456 | static void p54p_stop(struct ieee80211_hw *dev) | ||
457 | { | ||
458 | struct p54p_priv *priv = dev->priv; | ||
459 | unsigned int i; | ||
460 | struct p54p_desc *desc; | ||
461 | |||
462 | P54P_WRITE(int_enable, 0); | ||
463 | P54P_READ(int_enable); | ||
464 | udelay(10); | ||
465 | |||
466 | free_irq(priv->pdev->irq, dev); | ||
467 | |||
468 | P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET)); | ||
469 | |||
470 | for (i = 0; i < ARRAY_SIZE(priv->rx_buf); i++) { | ||
471 | desc = &priv->ring_control->rx_data[i]; | ||
472 | if (desc->host_addr) | ||
473 | pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr), | ||
474 | MAX_RX_SIZE, PCI_DMA_FROMDEVICE); | ||
475 | kfree_skb(priv->rx_buf[i]); | ||
476 | priv->rx_buf[i] = NULL; | ||
477 | } | ||
478 | |||
479 | for (i = 0; i < ARRAY_SIZE(priv->tx_buf); i++) { | ||
480 | desc = &priv->ring_control->tx_data[i]; | ||
481 | if (desc->host_addr) | ||
482 | pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr), | ||
483 | le16_to_cpu(desc->len), PCI_DMA_TODEVICE); | ||
484 | |||
485 | kfree(priv->tx_buf[i]); | ||
486 | priv->tx_buf[i] = NULL; | ||
487 | } | ||
488 | |||
489 | memset(priv->ring_control, 0, sizeof(*priv->ring_control)); | ||
490 | } | ||
491 | |||
492 | static int __devinit p54p_probe(struct pci_dev *pdev, | ||
493 | const struct pci_device_id *id) | ||
494 | { | ||
495 | struct p54p_priv *priv; | ||
496 | struct ieee80211_hw *dev; | ||
497 | unsigned long mem_addr, mem_len; | ||
498 | int err; | ||
499 | DECLARE_MAC_BUF(mac); | ||
500 | |||
501 | err = pci_enable_device(pdev); | ||
502 | if (err) { | ||
503 | printk(KERN_ERR "%s (prism54pci): Cannot enable new PCI device\n", | ||
504 | pci_name(pdev)); | ||
505 | return err; | ||
506 | } | ||
507 | |||
508 | mem_addr = pci_resource_start(pdev, 0); | ||
509 | mem_len = pci_resource_len(pdev, 0); | ||
510 | if (mem_len < sizeof(struct p54p_csr)) { | ||
511 | printk(KERN_ERR "%s (prism54pci): Too short PCI resources\n", | ||
512 | pci_name(pdev)); | ||
513 | pci_disable_device(pdev); | ||
514 | return err; | ||
515 | } | ||
516 | |||
517 | err = pci_request_regions(pdev, "prism54pci"); | ||
518 | if (err) { | ||
519 | printk(KERN_ERR "%s (prism54pci): Cannot obtain PCI resources\n", | ||
520 | pci_name(pdev)); | ||
521 | return err; | ||
522 | } | ||
523 | |||
524 | if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || | ||
525 | pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) { | ||
526 | printk(KERN_ERR "%s (prism54pci): No suitable DMA available\n", | ||
527 | pci_name(pdev)); | ||
528 | goto err_free_reg; | ||
529 | } | ||
530 | |||
531 | pci_set_master(pdev); | ||
532 | pci_try_set_mwi(pdev); | ||
533 | |||
534 | pci_write_config_byte(pdev, 0x40, 0); | ||
535 | pci_write_config_byte(pdev, 0x41, 0); | ||
536 | |||
537 | dev = p54_init_common(sizeof(*priv)); | ||
538 | if (!dev) { | ||
539 | printk(KERN_ERR "%s (prism54pci): ieee80211 alloc failed\n", | ||
540 | pci_name(pdev)); | ||
541 | err = -ENOMEM; | ||
542 | goto err_free_reg; | ||
543 | } | ||
544 | |||
545 | priv = dev->priv; | ||
546 | priv->pdev = pdev; | ||
547 | |||
548 | SET_IEEE80211_DEV(dev, &pdev->dev); | ||
549 | pci_set_drvdata(pdev, dev); | ||
550 | |||
551 | priv->map = ioremap(mem_addr, mem_len); | ||
552 | if (!priv->map) { | ||
553 | printk(KERN_ERR "%s (prism54pci): Cannot map device memory\n", | ||
554 | pci_name(pdev)); | ||
555 | err = -EINVAL; // TODO: use a better error code? | ||
556 | goto err_free_dev; | ||
557 | } | ||
558 | |||
559 | priv->ring_control = pci_alloc_consistent(pdev, sizeof(*priv->ring_control), | ||
560 | &priv->ring_control_dma); | ||
561 | if (!priv->ring_control) { | ||
562 | printk(KERN_ERR "%s (prism54pci): Cannot allocate rings\n", | ||
563 | pci_name(pdev)); | ||
564 | err = -ENOMEM; | ||
565 | goto err_iounmap; | ||
566 | } | ||
567 | memset(priv->ring_control, 0, sizeof(*priv->ring_control)); | ||
568 | |||
569 | err = p54p_upload_firmware(dev); | ||
570 | if (err) | ||
571 | goto err_free_desc; | ||
572 | |||
573 | err = p54p_read_eeprom(dev); | ||
574 | if (err) | ||
575 | goto err_free_desc; | ||
576 | |||
577 | priv->common.open = p54p_open; | ||
578 | priv->common.stop = p54p_stop; | ||
579 | priv->common.tx = p54p_tx; | ||
580 | |||
581 | spin_lock_init(&priv->lock); | ||
582 | |||
583 | err = ieee80211_register_hw(dev); | ||
584 | if (err) { | ||
585 | printk(KERN_ERR "%s (prism54pci): Cannot register netdevice\n", | ||
586 | pci_name(pdev)); | ||
587 | goto err_free_common; | ||
588 | } | ||
589 | |||
590 | printk(KERN_INFO "%s: hwaddr %s, isl38%02x\n", | ||
591 | wiphy_name(dev->wiphy), | ||
592 | print_mac(mac, dev->wiphy->perm_addr), | ||
593 | priv->common.version); | ||
594 | |||
595 | return 0; | ||
596 | |||
597 | err_free_common: | ||
598 | p54_free_common(dev); | ||
599 | |||
600 | err_free_desc: | ||
601 | pci_free_consistent(pdev, sizeof(*priv->ring_control), | ||
602 | priv->ring_control, priv->ring_control_dma); | ||
603 | |||
604 | err_iounmap: | ||
605 | iounmap(priv->map); | ||
606 | |||
607 | err_free_dev: | ||
608 | pci_set_drvdata(pdev, NULL); | ||
609 | ieee80211_free_hw(dev); | ||
610 | |||
611 | err_free_reg: | ||
612 | pci_release_regions(pdev); | ||
613 | pci_disable_device(pdev); | ||
614 | return err; | ||
615 | } | ||
616 | |||
617 | static void __devexit p54p_remove(struct pci_dev *pdev) | ||
618 | { | ||
619 | struct ieee80211_hw *dev = pci_get_drvdata(pdev); | ||
620 | struct p54p_priv *priv; | ||
621 | |||
622 | if (!dev) | ||
623 | return; | ||
624 | |||
625 | ieee80211_unregister_hw(dev); | ||
626 | priv = dev->priv; | ||
627 | pci_free_consistent(pdev, sizeof(*priv->ring_control), | ||
628 | priv->ring_control, priv->ring_control_dma); | ||
629 | p54_free_common(dev); | ||
630 | iounmap(priv->map); | ||
631 | pci_release_regions(pdev); | ||
632 | pci_disable_device(pdev); | ||
633 | ieee80211_free_hw(dev); | ||
634 | } | ||
635 | |||
636 | #ifdef CONFIG_PM | ||
637 | static int p54p_suspend(struct pci_dev *pdev, pm_message_t state) | ||
638 | { | ||
639 | struct ieee80211_hw *dev = pci_get_drvdata(pdev); | ||
640 | struct p54p_priv *priv = dev->priv; | ||
641 | |||
642 | if (priv->common.mode != IEEE80211_IF_TYPE_MGMT) { | ||
643 | ieee80211_stop_queues(dev); | ||
644 | p54p_stop(dev); | ||
645 | } | ||
646 | |||
647 | pci_save_state(pdev); | ||
648 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | ||
649 | return 0; | ||
650 | } | ||
651 | |||
652 | static int p54p_resume(struct pci_dev *pdev) | ||
653 | { | ||
654 | struct ieee80211_hw *dev = pci_get_drvdata(pdev); | ||
655 | struct p54p_priv *priv = dev->priv; | ||
656 | |||
657 | pci_set_power_state(pdev, PCI_D0); | ||
658 | pci_restore_state(pdev); | ||
659 | |||
660 | if (priv->common.mode != IEEE80211_IF_TYPE_MGMT) { | ||
661 | p54p_open(dev); | ||
662 | ieee80211_start_queues(dev); | ||
663 | } | ||
664 | |||
665 | return 0; | ||
666 | } | ||
667 | #endif /* CONFIG_PM */ | ||
668 | |||
669 | static struct pci_driver p54p_driver = { | ||
670 | .name = "prism54pci", | ||
671 | .id_table = p54p_table, | ||
672 | .probe = p54p_probe, | ||
673 | .remove = __devexit_p(p54p_remove), | ||
674 | #ifdef CONFIG_PM | ||
675 | .suspend = p54p_suspend, | ||
676 | .resume = p54p_resume, | ||
677 | #endif /* CONFIG_PM */ | ||
678 | }; | ||
679 | |||
680 | static int __init p54p_init(void) | ||
681 | { | ||
682 | return pci_register_driver(&p54p_driver); | ||
683 | } | ||
684 | |||
685 | static void __exit p54p_exit(void) | ||
686 | { | ||
687 | pci_unregister_driver(&p54p_driver); | ||
688 | } | ||
689 | |||
690 | module_init(p54p_init); | ||
691 | module_exit(p54p_exit); | ||
diff --git a/drivers/net/wireless/p54pci.h b/drivers/net/wireless/p54pci.h new file mode 100644 index 000000000000..52feb597dc4a --- /dev/null +++ b/drivers/net/wireless/p54pci.h | |||
@@ -0,0 +1,106 @@ | |||
1 | #ifndef PRISM54PCI_H | ||
2 | #define PRISM54PCI_H | ||
3 | |||
4 | /* | ||
5 | * Defines for PCI based mac80211 Prism54 driver | ||
6 | * | ||
7 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> | ||
8 | * | ||
9 | * Based on the islsm (softmac prism54) driver, which is: | ||
10 | * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of the GNU General Public License version 2 as | ||
14 | * published by the Free Software Foundation. | ||
15 | */ | ||
16 | |||
17 | /* Device Interrupt register bits */ | ||
18 | #define ISL38XX_DEV_INT_RESET 0x0001 | ||
19 | #define ISL38XX_DEV_INT_UPDATE 0x0002 | ||
20 | #define ISL38XX_DEV_INT_WAKEUP 0x0008 | ||
21 | #define ISL38XX_DEV_INT_SLEEP 0x0010 | ||
22 | #define ISL38XX_DEV_INT_ABORT 0x0020 | ||
23 | /* these two only used in USB */ | ||
24 | #define ISL38XX_DEV_INT_DATA 0x0040 | ||
25 | #define ISL38XX_DEV_INT_MGMT 0x0080 | ||
26 | |||
27 | #define ISL38XX_DEV_INT_PCIUART_CTS 0x4000 | ||
28 | #define ISL38XX_DEV_INT_PCIUART_DR 0x8000 | ||
29 | |||
30 | /* Interrupt Identification/Acknowledge/Enable register bits */ | ||
31 | #define ISL38XX_INT_IDENT_UPDATE 0x0002 | ||
32 | #define ISL38XX_INT_IDENT_INIT 0x0004 | ||
33 | #define ISL38XX_INT_IDENT_WAKEUP 0x0008 | ||
34 | #define ISL38XX_INT_IDENT_SLEEP 0x0010 | ||
35 | #define ISL38XX_INT_IDENT_PCIUART_CTS 0x4000 | ||
36 | #define ISL38XX_INT_IDENT_PCIUART_DR 0x8000 | ||
37 | |||
38 | /* Control/Status register bits */ | ||
39 | #define ISL38XX_CTRL_STAT_SLEEPMODE 0x00000200 | ||
40 | #define ISL38XX_CTRL_STAT_CLKRUN 0x00800000 | ||
41 | #define ISL38XX_CTRL_STAT_RESET 0x10000000 | ||
42 | #define ISL38XX_CTRL_STAT_RAMBOOT 0x20000000 | ||
43 | #define ISL38XX_CTRL_STAT_STARTHALTED 0x40000000 | ||
44 | #define ISL38XX_CTRL_STAT_HOST_OVERRIDE 0x80000000 | ||
45 | |||
46 | struct p54p_csr { | ||
47 | __le32 dev_int; | ||
48 | u8 unused_1[12]; | ||
49 | __le32 int_ident; | ||
50 | __le32 int_ack; | ||
51 | __le32 int_enable; | ||
52 | u8 unused_2[4]; | ||
53 | union { | ||
54 | __le32 ring_control_base; | ||
55 | __le32 gen_purp_com[2]; | ||
56 | }; | ||
57 | u8 unused_3[8]; | ||
58 | __le32 direct_mem_base; | ||
59 | u8 unused_4[44]; | ||
60 | __le32 dma_addr; | ||
61 | __le32 dma_len; | ||
62 | __le32 dma_ctrl; | ||
63 | u8 unused_5[12]; | ||
64 | __le32 ctrl_stat; | ||
65 | u8 unused_6[1924]; | ||
66 | u8 cardbus_cis[0x800]; | ||
67 | u8 direct_mem_win[0x1000]; | ||
68 | } __attribute__ ((packed)); | ||
69 | |||
70 | /* usb backend only needs the register defines above */ | ||
71 | #ifndef PRISM54USB_H | ||
72 | struct p54p_desc { | ||
73 | __le32 host_addr; | ||
74 | __le32 device_addr; | ||
75 | __le16 len; | ||
76 | __le16 flags; | ||
77 | } __attribute__ ((packed)); | ||
78 | |||
79 | struct p54p_ring_control { | ||
80 | __le32 host_idx[4]; | ||
81 | __le32 device_idx[4]; | ||
82 | struct p54p_desc rx_data[8]; | ||
83 | struct p54p_desc tx_data[32]; | ||
84 | struct p54p_desc rx_mgmt[4]; | ||
85 | struct p54p_desc tx_mgmt[4]; | ||
86 | } __attribute__ ((packed)); | ||
87 | |||
88 | #define P54P_READ(r) __raw_readl(&priv->map->r) | ||
89 | #define P54P_WRITE(r, val) __raw_writel((__force u32)(val), &priv->map->r) | ||
90 | |||
91 | struct p54p_priv { | ||
92 | struct p54_common common; | ||
93 | struct pci_dev *pdev; | ||
94 | struct p54p_csr __iomem *map; | ||
95 | |||
96 | spinlock_t lock; | ||
97 | struct p54p_ring_control *ring_control; | ||
98 | dma_addr_t ring_control_dma; | ||
99 | u32 rx_idx, tx_idx; | ||
100 | struct sk_buff *rx_buf[8]; | ||
101 | void *tx_buf[32]; | ||
102 | struct completion boot_comp; | ||
103 | }; | ||
104 | |||
105 | #endif /* PRISM54USB_H */ | ||
106 | #endif /* PRISM54PCI_H */ | ||
diff --git a/drivers/net/wireless/p54usb.c b/drivers/net/wireless/p54usb.c new file mode 100644 index 000000000000..7446c39ce5d0 --- /dev/null +++ b/drivers/net/wireless/p54usb.c | |||
@@ -0,0 +1,906 @@ | |||
1 | |||
2 | /* | ||
3 | * Linux device driver for USB based Prism54 | ||
4 | * | ||
5 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> | ||
6 | * | ||
7 | * Based on the islsm (softmac prism54) driver, which is: | ||
8 | * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License version 2 as | ||
12 | * published by the Free Software Foundation. | ||
13 | */ | ||
14 | |||
15 | #include <linux/init.h> | ||
16 | #include <linux/usb.h> | ||
17 | #include <linux/pci.h> | ||
18 | #include <linux/firmware.h> | ||
19 | #include <linux/etherdevice.h> | ||
20 | #include <linux/delay.h> | ||
21 | #include <linux/crc32.h> | ||
22 | #include <net/mac80211.h> | ||
23 | |||
24 | #include "p54.h" | ||
25 | #include "p54usb.h" | ||
26 | |||
27 | MODULE_AUTHOR("Michael Wu <flamingice@sourmilk.net>"); | ||
28 | MODULE_DESCRIPTION("Prism54 USB wireless driver"); | ||
29 | MODULE_LICENSE("GPL"); | ||
30 | MODULE_ALIAS("prism54usb"); | ||
31 | |||
32 | static struct usb_device_id p54u_table[] __devinitdata = { | ||
33 | /* Version 1 devices (pci chip + net2280) */ | ||
34 | {USB_DEVICE(0x0506, 0x0a11)}, /* 3COM 3CRWE254G72 */ | ||
35 | {USB_DEVICE(0x0707, 0xee06)}, /* SMC 2862W-G */ | ||
36 | {USB_DEVICE(0x083a, 0x4501)}, /* Accton 802.11g WN4501 USB */ | ||
37 | {USB_DEVICE(0x083a, 0x4502)}, /* Siemens Gigaset USB Adapter */ | ||
38 | {USB_DEVICE(0x0846, 0x4200)}, /* Netgear WG121 */ | ||
39 | {USB_DEVICE(0x0846, 0x4210)}, /* Netgear WG121 the second ? */ | ||
40 | {USB_DEVICE(0x0846, 0x4220)}, /* Netgear WG111 */ | ||
41 | {USB_DEVICE(0x0cde, 0x0006)}, /* Medion 40900, Roper Europe */ | ||
42 | {USB_DEVICE(0x124a, 0x4023)}, /* Shuttle PN15, Airvast WM168g, IOGear GWU513 */ | ||
43 | {USB_DEVICE(0x1915, 0x2234)}, /* Linksys WUSB54G OEM */ | ||
44 | {USB_DEVICE(0x1915, 0x2235)}, /* Linksys WUSB54G Portable OEM */ | ||
45 | {USB_DEVICE(0x2001, 0x3701)}, /* DLink DWL-G120 Spinnaker */ | ||
46 | {USB_DEVICE(0x2001, 0x3703)}, /* DLink DWL-G122 */ | ||
47 | {USB_DEVICE(0x5041, 0x2234)}, /* Linksys WUSB54G */ | ||
48 | {USB_DEVICE(0x5041, 0x2235)}, /* Linksys WUSB54G Portable */ | ||
49 | |||
50 | /* Version 2 devices (3887) */ | ||
51 | {USB_DEVICE(0x050d, 0x7050)}, /* Belkin F5D7050 ver 1000 */ | ||
52 | {USB_DEVICE(0x0572, 0x2000)}, /* Cohiba Proto board */ | ||
53 | {USB_DEVICE(0x0572, 0x2002)}, /* Cohiba Proto board */ | ||
54 | {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */ | ||
55 | {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */ | ||
56 | {USB_DEVICE(0x0846, 0x4240)}, /* Netgear WG111 (v2) */ | ||
57 | {USB_DEVICE(0x0915, 0x2000)}, /* Cohiba Proto board */ | ||
58 | {USB_DEVICE(0x0915, 0x2002)}, /* Cohiba Proto board */ | ||
59 | {USB_DEVICE(0x0baf, 0x0118)}, /* U.S. Robotics U5 802.11g Adapter*/ | ||
60 | {USB_DEVICE(0x0bf8, 0x1009)}, /* FUJITSU E-5400 USB D1700*/ | ||
61 | {USB_DEVICE(0x0cde, 0x0006)}, /* Medion MD40900 */ | ||
62 | {USB_DEVICE(0x0cde, 0x0008)}, /* Sagem XG703A */ | ||
63 | {USB_DEVICE(0x0d8e, 0x3762)}, /* DLink DWL-G120 Cohiba */ | ||
64 | {USB_DEVICE(0x09aa, 0x1000)}, /* Spinnaker Proto board */ | ||
65 | {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ | ||
66 | {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */ | ||
67 | {USB_DEVICE(0x413c, 0x8102)}, /* Spinnaker DUT */ | ||
68 | {USB_DEVICE(0x413c, 0x8104)}, /* Cohiba Proto board */ | ||
69 | {} | ||
70 | }; | ||
71 | |||
72 | MODULE_DEVICE_TABLE(usb, p54u_table); | ||
73 | |||
74 | static void p54u_rx_cb(struct urb *urb) | ||
75 | { | ||
76 | struct sk_buff *skb = (struct sk_buff *) urb->context; | ||
77 | struct p54u_rx_info *info = (struct p54u_rx_info *)skb->cb; | ||
78 | struct ieee80211_hw *dev = info->dev; | ||
79 | struct p54u_priv *priv = dev->priv; | ||
80 | |||
81 | if (unlikely(urb->status)) { | ||
82 | info->urb = NULL; | ||
83 | usb_free_urb(urb); | ||
84 | return; | ||
85 | } | ||
86 | |||
87 | skb_unlink(skb, &priv->rx_queue); | ||
88 | skb_put(skb, urb->actual_length); | ||
89 | if (!priv->hw_type) | ||
90 | skb_pull(skb, sizeof(struct net2280_tx_hdr)); | ||
91 | |||
92 | if (p54_rx(dev, skb)) { | ||
93 | skb = dev_alloc_skb(MAX_RX_SIZE); | ||
94 | if (unlikely(!skb)) { | ||
95 | usb_free_urb(urb); | ||
96 | /* TODO check rx queue length and refill *somewhere* */ | ||
97 | return; | ||
98 | } | ||
99 | |||
100 | info = (struct p54u_rx_info *) skb->cb; | ||
101 | info->urb = urb; | ||
102 | info->dev = dev; | ||
103 | urb->transfer_buffer = skb_tail_pointer(skb); | ||
104 | urb->context = skb; | ||
105 | skb_queue_tail(&priv->rx_queue, skb); | ||
106 | } else { | ||
107 | skb_trim(skb, 0); | ||
108 | skb_queue_tail(&priv->rx_queue, skb); | ||
109 | } | ||
110 | |||
111 | usb_submit_urb(urb, GFP_ATOMIC); | ||
112 | } | ||
113 | |||
114 | static void p54u_tx_cb(struct urb *urb) | ||
115 | { | ||
116 | usb_free_urb(urb); | ||
117 | } | ||
118 | |||
119 | static void p54u_tx_free_cb(struct urb *urb) | ||
120 | { | ||
121 | kfree(urb->transfer_buffer); | ||
122 | usb_free_urb(urb); | ||
123 | } | ||
124 | |||
125 | static int p54u_init_urbs(struct ieee80211_hw *dev) | ||
126 | { | ||
127 | struct p54u_priv *priv = dev->priv; | ||
128 | struct urb *entry; | ||
129 | struct sk_buff *skb; | ||
130 | struct p54u_rx_info *info; | ||
131 | |||
132 | while (skb_queue_len(&priv->rx_queue) < 32) { | ||
133 | skb = __dev_alloc_skb(MAX_RX_SIZE, GFP_KERNEL); | ||
134 | if (!skb) | ||
135 | break; | ||
136 | entry = usb_alloc_urb(0, GFP_KERNEL); | ||
137 | if (!entry) { | ||
138 | kfree_skb(skb); | ||
139 | break; | ||
140 | } | ||
141 | usb_fill_bulk_urb(entry, priv->udev, usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), skb_tail_pointer(skb), MAX_RX_SIZE, p54u_rx_cb, skb); | ||
142 | info = (struct p54u_rx_info *) skb->cb; | ||
143 | info->urb = entry; | ||
144 | info->dev = dev; | ||
145 | skb_queue_tail(&priv->rx_queue, skb); | ||
146 | usb_submit_urb(entry, GFP_KERNEL); | ||
147 | } | ||
148 | |||
149 | return 0; | ||
150 | } | ||
151 | |||
152 | static void p54u_free_urbs(struct ieee80211_hw *dev) | ||
153 | { | ||
154 | struct p54u_priv *priv = dev->priv; | ||
155 | struct p54u_rx_info *info; | ||
156 | struct sk_buff *skb; | ||
157 | |||
158 | while ((skb = skb_dequeue(&priv->rx_queue))) { | ||
159 | info = (struct p54u_rx_info *) skb->cb; | ||
160 | if (!info->urb) | ||
161 | continue; | ||
162 | |||
163 | usb_kill_urb(info->urb); | ||
164 | kfree_skb(skb); | ||
165 | } | ||
166 | } | ||
167 | |||
168 | static void p54u_tx_3887(struct ieee80211_hw *dev, struct p54_control_hdr *data, | ||
169 | size_t len, int free_on_tx) | ||
170 | { | ||
171 | struct p54u_priv *priv = dev->priv; | ||
172 | struct urb *addr_urb, *data_urb; | ||
173 | |||
174 | addr_urb = usb_alloc_urb(0, GFP_ATOMIC); | ||
175 | if (!addr_urb) | ||
176 | return; | ||
177 | |||
178 | data_urb = usb_alloc_urb(0, GFP_ATOMIC); | ||
179 | if (!data_urb) { | ||
180 | usb_free_urb(addr_urb); | ||
181 | return; | ||
182 | } | ||
183 | |||
184 | usb_fill_bulk_urb(addr_urb, priv->udev, | ||
185 | usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), &data->req_id, | ||
186 | sizeof(data->req_id), p54u_tx_cb, dev); | ||
187 | usb_fill_bulk_urb(data_urb, priv->udev, | ||
188 | usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), data, len, | ||
189 | free_on_tx ? p54u_tx_free_cb : p54u_tx_cb, dev); | ||
190 | |||
191 | usb_submit_urb(addr_urb, GFP_ATOMIC); | ||
192 | usb_submit_urb(data_urb, GFP_ATOMIC); | ||
193 | } | ||
194 | |||
195 | static void p54u_tx_net2280(struct ieee80211_hw *dev, struct p54_control_hdr *data, | ||
196 | size_t len, int free_on_tx) | ||
197 | { | ||
198 | struct p54u_priv *priv = dev->priv; | ||
199 | struct urb *int_urb, *data_urb; | ||
200 | struct net2280_tx_hdr *hdr; | ||
201 | struct net2280_reg_write *reg; | ||
202 | |||
203 | reg = kmalloc(sizeof(*reg), GFP_ATOMIC); | ||
204 | if (!reg) | ||
205 | return; | ||
206 | |||
207 | int_urb = usb_alloc_urb(0, GFP_ATOMIC); | ||
208 | if (!int_urb) { | ||
209 | kfree(reg); | ||
210 | return; | ||
211 | } | ||
212 | |||
213 | data_urb = usb_alloc_urb(0, GFP_ATOMIC); | ||
214 | if (!data_urb) { | ||
215 | kfree(reg); | ||
216 | usb_free_urb(int_urb); | ||
217 | return; | ||
218 | } | ||
219 | |||
220 | reg->port = cpu_to_le16(NET2280_DEV_U32); | ||
221 | reg->addr = cpu_to_le32(P54U_DEV_BASE); | ||
222 | reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA); | ||
223 | |||
224 | len += sizeof(*data); | ||
225 | hdr = (void *)data - sizeof(*hdr); | ||
226 | memset(hdr, 0, sizeof(*hdr)); | ||
227 | hdr->device_addr = data->req_id; | ||
228 | hdr->len = cpu_to_le16(len); | ||
229 | |||
230 | usb_fill_bulk_urb(int_urb, priv->udev, | ||
231 | usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg), | ||
232 | p54u_tx_free_cb, dev); | ||
233 | usb_submit_urb(int_urb, GFP_ATOMIC); | ||
234 | |||
235 | usb_fill_bulk_urb(data_urb, priv->udev, | ||
236 | usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), hdr, len + sizeof(*hdr), | ||
237 | free_on_tx ? p54u_tx_free_cb : p54u_tx_cb, dev); | ||
238 | usb_submit_urb(data_urb, GFP_ATOMIC); | ||
239 | } | ||
240 | |||
241 | static int p54u_write(struct p54u_priv *priv, | ||
242 | struct net2280_reg_write *buf, | ||
243 | enum net2280_op_type type, | ||
244 | __le32 addr, __le32 val) | ||
245 | { | ||
246 | unsigned int ep; | ||
247 | int alen; | ||
248 | |||
249 | if (type & 0x0800) | ||
250 | ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV); | ||
251 | else | ||
252 | ep = usb_sndbulkpipe(priv->udev, P54U_PIPE_BRG); | ||
253 | |||
254 | buf->port = cpu_to_le16(type); | ||
255 | buf->addr = addr; | ||
256 | buf->val = val; | ||
257 | |||
258 | return usb_bulk_msg(priv->udev, ep, buf, sizeof(*buf), &alen, 1000); | ||
259 | } | ||
260 | |||
261 | static int p54u_read(struct p54u_priv *priv, void *buf, | ||
262 | enum net2280_op_type type, | ||
263 | __le32 addr, __le32 *val) | ||
264 | { | ||
265 | struct net2280_reg_read *read = buf; | ||
266 | __le32 *reg = buf; | ||
267 | unsigned int ep; | ||
268 | int alen, err; | ||
269 | |||
270 | if (type & 0x0800) | ||
271 | ep = P54U_PIPE_DEV; | ||
272 | else | ||
273 | ep = P54U_PIPE_BRG; | ||
274 | |||
275 | read->port = cpu_to_le16(type); | ||
276 | read->addr = addr; | ||
277 | |||
278 | err = usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep), | ||
279 | read, sizeof(*read), &alen, 1000); | ||
280 | if (err) | ||
281 | return err; | ||
282 | |||
283 | err = usb_bulk_msg(priv->udev, usb_rcvbulkpipe(priv->udev, ep), | ||
284 | reg, sizeof(*reg), &alen, 1000); | ||
285 | if (err) | ||
286 | return err; | ||
287 | |||
288 | *val = *reg; | ||
289 | return 0; | ||
290 | } | ||
291 | |||
292 | static int p54u_bulk_msg(struct p54u_priv *priv, unsigned int ep, | ||
293 | void *data, size_t len) | ||
294 | { | ||
295 | int alen; | ||
296 | return usb_bulk_msg(priv->udev, usb_sndbulkpipe(priv->udev, ep), | ||
297 | data, len, &alen, 2000); | ||
298 | } | ||
299 | |||
300 | static int p54u_read_eeprom(struct ieee80211_hw *dev) | ||
301 | { | ||
302 | struct p54u_priv *priv = dev->priv; | ||
303 | void *buf; | ||
304 | struct p54_control_hdr *hdr; | ||
305 | int err, alen; | ||
306 | size_t offset = priv->hw_type ? 0x10 : 0x20; | ||
307 | |||
308 | buf = kmalloc(0x2020, GFP_KERNEL); | ||
309 | if (!buf) { | ||
310 | printk(KERN_ERR "prism54usb: cannot allocate memory for" | ||
311 | "eeprom readback!\n"); | ||
312 | return -ENOMEM; | ||
313 | } | ||
314 | |||
315 | if (priv->hw_type) { | ||
316 | *((u32 *) buf) = priv->common.rx_start; | ||
317 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32)); | ||
318 | if (err) { | ||
319 | printk(KERN_ERR "prism54usb: addr send failed\n"); | ||
320 | goto fail; | ||
321 | } | ||
322 | } else { | ||
323 | struct net2280_reg_write *reg = buf; | ||
324 | reg->port = cpu_to_le16(NET2280_DEV_U32); | ||
325 | reg->addr = cpu_to_le32(P54U_DEV_BASE); | ||
326 | reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA); | ||
327 | err = p54u_bulk_msg(priv, P54U_PIPE_DEV, buf, sizeof(*reg)); | ||
328 | if (err) { | ||
329 | printk(KERN_ERR "prism54usb: dev_int send failed\n"); | ||
330 | goto fail; | ||
331 | } | ||
332 | } | ||
333 | |||
334 | hdr = buf + priv->common.tx_hdr_len; | ||
335 | p54_fill_eeprom_readback(hdr); | ||
336 | hdr->req_id = cpu_to_le32(priv->common.rx_start); | ||
337 | if (priv->common.tx_hdr_len) { | ||
338 | struct net2280_tx_hdr *tx_hdr = buf; | ||
339 | tx_hdr->device_addr = hdr->req_id; | ||
340 | tx_hdr->len = cpu_to_le16(EEPROM_READBACK_LEN); | ||
341 | } | ||
342 | |||
343 | /* we can just pretend to send 0x2000 bytes of nothing in the headers */ | ||
344 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, | ||
345 | EEPROM_READBACK_LEN + priv->common.tx_hdr_len); | ||
346 | if (err) { | ||
347 | printk(KERN_ERR "prism54usb: eeprom req send failed\n"); | ||
348 | goto fail; | ||
349 | } | ||
350 | |||
351 | err = usb_bulk_msg(priv->udev, | ||
352 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), | ||
353 | buf, 0x2020, &alen, 1000); | ||
354 | if (!err && alen > offset) { | ||
355 | p54_parse_eeprom(dev, (u8 *)buf + offset, alen - offset); | ||
356 | } else { | ||
357 | printk(KERN_ERR "prism54usb: eeprom read failed!\n"); | ||
358 | err = -EINVAL; | ||
359 | goto fail; | ||
360 | } | ||
361 | |||
362 | fail: | ||
363 | kfree(buf); | ||
364 | return err; | ||
365 | } | ||
366 | |||
367 | static int p54u_upload_firmware_3887(struct ieee80211_hw *dev) | ||
368 | { | ||
369 | static char start_string[] = "~~~~<\r"; | ||
370 | struct p54u_priv *priv = dev->priv; | ||
371 | const struct firmware *fw_entry = NULL; | ||
372 | int err, alen; | ||
373 | u8 carry = 0; | ||
374 | u8 *buf, *tmp, *data; | ||
375 | unsigned int left, remains, block_size; | ||
376 | struct x2_header *hdr; | ||
377 | unsigned long timeout; | ||
378 | |||
379 | tmp = buf = kmalloc(P54U_FW_BLOCK, GFP_KERNEL); | ||
380 | if (!buf) { | ||
381 | printk(KERN_ERR "p54usb: cannot allocate firmware upload buffer!\n"); | ||
382 | err = -ENOMEM; | ||
383 | goto err_bufalloc; | ||
384 | } | ||
385 | |||
386 | memcpy(buf, start_string, 4); | ||
387 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 4); | ||
388 | if (err) { | ||
389 | printk(KERN_ERR "p54usb: reset failed! (%d)\n", err); | ||
390 | goto err_reset; | ||
391 | } | ||
392 | |||
393 | err = request_firmware(&fw_entry, "isl3887usb_bare", &priv->udev->dev); | ||
394 | if (err) { | ||
395 | printk(KERN_ERR "p54usb: cannot find firmware (isl3887usb_bare)!\n"); | ||
396 | goto err_req_fw_failed; | ||
397 | } | ||
398 | |||
399 | p54_parse_firmware(dev, fw_entry); | ||
400 | |||
401 | left = block_size = min((size_t)P54U_FW_BLOCK, fw_entry->size); | ||
402 | strcpy(buf, start_string); | ||
403 | left -= strlen(start_string); | ||
404 | tmp += strlen(start_string); | ||
405 | |||
406 | data = fw_entry->data; | ||
407 | remains = fw_entry->size; | ||
408 | |||
409 | hdr = (struct x2_header *)(buf + strlen(start_string)); | ||
410 | memcpy(hdr->signature, X2_SIGNATURE, X2_SIGNATURE_SIZE); | ||
411 | hdr->fw_load_addr = cpu_to_le32(ISL38XX_DEV_FIRMWARE_ADDR); | ||
412 | hdr->fw_length = cpu_to_le32(fw_entry->size); | ||
413 | hdr->crc = cpu_to_le32(~crc32_le(~0, (void *)&hdr->fw_load_addr, | ||
414 | sizeof(u32)*2)); | ||
415 | left -= sizeof(*hdr); | ||
416 | tmp += sizeof(*hdr); | ||
417 | |||
418 | while (remains) { | ||
419 | while (left--) { | ||
420 | if (carry) { | ||
421 | *tmp++ = carry; | ||
422 | carry = 0; | ||
423 | remains--; | ||
424 | continue; | ||
425 | } | ||
426 | switch (*data) { | ||
427 | case '~': | ||
428 | *tmp++ = '}'; | ||
429 | carry = '^'; | ||
430 | break; | ||
431 | case '}': | ||
432 | *tmp++ = '}'; | ||
433 | carry = ']'; | ||
434 | break; | ||
435 | default: | ||
436 | *tmp++ = *data; | ||
437 | remains--; | ||
438 | break; | ||
439 | } | ||
440 | data++; | ||
441 | } | ||
442 | |||
443 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_size); | ||
444 | if (err) { | ||
445 | printk(KERN_ERR "prism54usb: firmware upload failed!\n"); | ||
446 | goto err_upload_failed; | ||
447 | } | ||
448 | |||
449 | tmp = buf; | ||
450 | left = block_size = min((unsigned int)P54U_FW_BLOCK, remains); | ||
451 | } | ||
452 | |||
453 | *((__le32 *)buf) = cpu_to_le32(~crc32_le(~0, fw_entry->data, fw_entry->size)); | ||
454 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32)); | ||
455 | if (err) { | ||
456 | printk(KERN_ERR "prism54usb: firmware upload failed!\n"); | ||
457 | goto err_upload_failed; | ||
458 | } | ||
459 | |||
460 | timeout = jiffies + msecs_to_jiffies(1000); | ||
461 | while (!(err = usb_bulk_msg(priv->udev, | ||
462 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) { | ||
463 | if (alen > 2 && !memcmp(buf, "OK", 2)) | ||
464 | break; | ||
465 | |||
466 | if (alen > 5 && !memcmp(buf, "ERROR", 5)) { | ||
467 | printk(KERN_INFO "prism54usb: firmware upload failed!\n"); | ||
468 | err = -EINVAL; | ||
469 | break; | ||
470 | } | ||
471 | |||
472 | if (time_after(jiffies, timeout)) { | ||
473 | printk(KERN_ERR "prism54usb: firmware boot timed out!\n"); | ||
474 | err = -ETIMEDOUT; | ||
475 | break; | ||
476 | } | ||
477 | } | ||
478 | if (err) | ||
479 | goto err_upload_failed; | ||
480 | |||
481 | buf[0] = 'g'; | ||
482 | buf[1] = '\r'; | ||
483 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 2); | ||
484 | if (err) { | ||
485 | printk(KERN_ERR "prism54usb: firmware boot failed!\n"); | ||
486 | goto err_upload_failed; | ||
487 | } | ||
488 | |||
489 | timeout = jiffies + msecs_to_jiffies(1000); | ||
490 | while (!(err = usb_bulk_msg(priv->udev, | ||
491 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), buf, 128, &alen, 1000))) { | ||
492 | if (alen > 0 && buf[0] == 'g') | ||
493 | break; | ||
494 | |||
495 | if (time_after(jiffies, timeout)) { | ||
496 | err = -ETIMEDOUT; | ||
497 | break; | ||
498 | } | ||
499 | } | ||
500 | if (err) | ||
501 | goto err_upload_failed; | ||
502 | |||
503 | err_upload_failed: | ||
504 | release_firmware(fw_entry); | ||
505 | err_req_fw_failed: | ||
506 | err_reset: | ||
507 | kfree(buf); | ||
508 | err_bufalloc: | ||
509 | return err; | ||
510 | } | ||
511 | |||
512 | static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev) | ||
513 | { | ||
514 | struct p54u_priv *priv = dev->priv; | ||
515 | const struct firmware *fw_entry = NULL; | ||
516 | const struct p54p_csr *devreg = (const struct p54p_csr *) P54U_DEV_BASE; | ||
517 | int err, alen; | ||
518 | void *buf; | ||
519 | __le32 reg; | ||
520 | unsigned int remains, offset; | ||
521 | u8 *data; | ||
522 | |||
523 | buf = kmalloc(512, GFP_KERNEL); | ||
524 | if (!buf) { | ||
525 | printk(KERN_ERR "p54usb: firmware buffer alloc failed!\n"); | ||
526 | return -ENOMEM; | ||
527 | } | ||
528 | |||
529 | err = request_firmware(&fw_entry, "isl3890usb", &priv->udev->dev); | ||
530 | if (err) { | ||
531 | printk(KERN_ERR "p54usb: cannot find firmware (isl3890usb)!\n"); | ||
532 | kfree(buf); | ||
533 | return err; | ||
534 | } | ||
535 | |||
536 | p54_parse_firmware(dev, fw_entry); | ||
537 | |||
538 | #define P54U_WRITE(type, addr, data) \ | ||
539 | do {\ | ||
540 | err = p54u_write(priv, buf, type,\ | ||
541 | cpu_to_le32((u32)(unsigned long)addr), data);\ | ||
542 | if (err) \ | ||
543 | goto fail;\ | ||
544 | } while (0) | ||
545 | |||
546 | #define P54U_READ(type, addr) \ | ||
547 | do {\ | ||
548 | err = p54u_read(priv, buf, type,\ | ||
549 | cpu_to_le32((u32)(unsigned long)addr), ®);\ | ||
550 | if (err)\ | ||
551 | goto fail;\ | ||
552 | } while (0) | ||
553 | |||
554 | /* power down net2280 bridge */ | ||
555 | P54U_READ(NET2280_BRG_U32, NET2280_GPIOCTL); | ||
556 | reg |= cpu_to_le32(P54U_BRG_POWER_DOWN); | ||
557 | reg &= cpu_to_le32(~P54U_BRG_POWER_UP); | ||
558 | P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg); | ||
559 | |||
560 | mdelay(100); | ||
561 | |||
562 | /* power up bridge */ | ||
563 | reg |= cpu_to_le32(P54U_BRG_POWER_UP); | ||
564 | reg &= cpu_to_le32(~P54U_BRG_POWER_DOWN); | ||
565 | P54U_WRITE(NET2280_BRG_U32, NET2280_GPIOCTL, reg); | ||
566 | |||
567 | mdelay(100); | ||
568 | |||
569 | P54U_WRITE(NET2280_BRG_U32, NET2280_DEVINIT, | ||
570 | cpu_to_le32(NET2280_CLK_30Mhz | | ||
571 | NET2280_PCI_ENABLE | | ||
572 | NET2280_PCI_SOFT_RESET)); | ||
573 | |||
574 | mdelay(20); | ||
575 | |||
576 | P54U_WRITE(NET2280_BRG_CFG_U16, PCI_COMMAND, | ||
577 | cpu_to_le32(PCI_COMMAND_MEMORY | | ||
578 | PCI_COMMAND_MASTER)); | ||
579 | |||
580 | P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_0, | ||
581 | cpu_to_le32(NET2280_BASE)); | ||
582 | |||
583 | P54U_READ(NET2280_BRG_CFG_U16, PCI_STATUS); | ||
584 | reg |= cpu_to_le32(PCI_STATUS_REC_MASTER_ABORT); | ||
585 | P54U_WRITE(NET2280_BRG_CFG_U16, PCI_STATUS, reg); | ||
586 | |||
587 | // TODO: we really need this? | ||
588 | P54U_READ(NET2280_BRG_U32, NET2280_RELNUM); | ||
589 | |||
590 | P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_RSP, | ||
591 | cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE)); | ||
592 | P54U_WRITE(NET2280_BRG_U32, NET2280_EPC_RSP, | ||
593 | cpu_to_le32(NET2280_CLEAR_NAK_OUT_PACKETS_MODE)); | ||
594 | |||
595 | P54U_WRITE(NET2280_BRG_CFG_U32, PCI_BASE_ADDRESS_2, | ||
596 | cpu_to_le32(NET2280_BASE2)); | ||
597 | |||
598 | /* finally done setting up the bridge */ | ||
599 | |||
600 | P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | PCI_COMMAND, | ||
601 | cpu_to_le32(PCI_COMMAND_MEMORY | | ||
602 | PCI_COMMAND_MASTER)); | ||
603 | |||
604 | P54U_WRITE(NET2280_DEV_CFG_U16, 0x10000 | 0x40 /* TRDY timeout */, 0); | ||
605 | P54U_WRITE(NET2280_DEV_CFG_U32, 0x10000 | PCI_BASE_ADDRESS_0, | ||
606 | cpu_to_le32(P54U_DEV_BASE)); | ||
607 | |||
608 | P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0); | ||
609 | P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1, | ||
610 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT)); | ||
611 | |||
612 | /* do romboot */ | ||
613 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable, 0); | ||
614 | |||
615 | P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat); | ||
616 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | ||
617 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RAMBOOT); | ||
618 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN); | ||
619 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | ||
620 | |||
621 | mdelay(20); | ||
622 | |||
623 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET); | ||
624 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | ||
625 | |||
626 | mdelay(20); | ||
627 | |||
628 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | ||
629 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | ||
630 | |||
631 | mdelay(100); | ||
632 | |||
633 | P54U_READ(NET2280_DEV_U32, &devreg->int_ident); | ||
634 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg); | ||
635 | |||
636 | /* finally, we can upload firmware now! */ | ||
637 | remains = fw_entry->size; | ||
638 | data = fw_entry->data; | ||
639 | offset = ISL38XX_DEV_FIRMWARE_ADDR; | ||
640 | |||
641 | while (remains) { | ||
642 | unsigned int block_len = min(remains, (unsigned int)512); | ||
643 | memcpy(buf, data, block_len); | ||
644 | |||
645 | err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_len); | ||
646 | if (err) { | ||
647 | printk(KERN_ERR "prism54usb: firmware block upload " | ||
648 | "failed\n"); | ||
649 | goto fail; | ||
650 | } | ||
651 | |||
652 | P54U_WRITE(NET2280_DEV_U32, &devreg->direct_mem_base, | ||
653 | cpu_to_le32(0xc0000f00)); | ||
654 | |||
655 | P54U_WRITE(NET2280_DEV_U32, | ||
656 | 0x0020 | (unsigned long)&devreg->direct_mem_win, 0); | ||
657 | P54U_WRITE(NET2280_DEV_U32, | ||
658 | 0x0020 | (unsigned long)&devreg->direct_mem_win, | ||
659 | cpu_to_le32(1)); | ||
660 | |||
661 | P54U_WRITE(NET2280_DEV_U32, | ||
662 | 0x0024 | (unsigned long)&devreg->direct_mem_win, | ||
663 | cpu_to_le32(block_len)); | ||
664 | P54U_WRITE(NET2280_DEV_U32, | ||
665 | 0x0028 | (unsigned long)&devreg->direct_mem_win, | ||
666 | cpu_to_le32(offset)); | ||
667 | |||
668 | P54U_WRITE(NET2280_DEV_U32, &devreg->dma_addr, | ||
669 | cpu_to_le32(NET2280_EPA_FIFO_PCI_ADDR)); | ||
670 | P54U_WRITE(NET2280_DEV_U32, &devreg->dma_len, | ||
671 | cpu_to_le32(block_len >> 2)); | ||
672 | P54U_WRITE(NET2280_DEV_U32, &devreg->dma_ctrl, | ||
673 | cpu_to_le32(ISL38XX_DMA_MASTER_CONTROL_TRIGGER)); | ||
674 | |||
675 | mdelay(10); | ||
676 | |||
677 | P54U_READ(NET2280_DEV_U32, | ||
678 | 0x002C | (unsigned long)&devreg->direct_mem_win); | ||
679 | if (!(reg & cpu_to_le32(ISL38XX_DMA_STATUS_DONE)) || | ||
680 | !(reg & cpu_to_le32(ISL38XX_DMA_STATUS_READY))) { | ||
681 | printk(KERN_ERR "prism54usb: firmware DMA transfer " | ||
682 | "failed\n"); | ||
683 | goto fail; | ||
684 | } | ||
685 | |||
686 | P54U_WRITE(NET2280_BRG_U32, NET2280_EPA_STAT, | ||
687 | cpu_to_le32(NET2280_FIFO_FLUSH)); | ||
688 | |||
689 | remains -= block_len; | ||
690 | data += block_len; | ||
691 | offset += block_len; | ||
692 | } | ||
693 | |||
694 | /* do ramboot */ | ||
695 | P54U_READ(NET2280_DEV_U32, &devreg->ctrl_stat); | ||
696 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | ||
697 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_CLKRUN); | ||
698 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RAMBOOT); | ||
699 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | ||
700 | |||
701 | mdelay(20); | ||
702 | |||
703 | reg |= cpu_to_le32(ISL38XX_CTRL_STAT_RESET); | ||
704 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | ||
705 | |||
706 | reg &= cpu_to_le32(~ISL38XX_CTRL_STAT_RESET); | ||
707 | P54U_WRITE(NET2280_DEV_U32, &devreg->ctrl_stat, reg); | ||
708 | |||
709 | mdelay(100); | ||
710 | |||
711 | P54U_READ(NET2280_DEV_U32, &devreg->int_ident); | ||
712 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg); | ||
713 | |||
714 | /* start up the firmware */ | ||
715 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_enable, | ||
716 | cpu_to_le32(ISL38XX_INT_IDENT_INIT)); | ||
717 | |||
718 | P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1, | ||
719 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT)); | ||
720 | |||
721 | P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, | ||
722 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT_ENABLE | | ||
723 | NET2280_USB_INTERRUPT_ENABLE)); | ||
724 | |||
725 | P54U_WRITE(NET2280_DEV_U32, &devreg->dev_int, | ||
726 | cpu_to_le32(ISL38XX_DEV_INT_RESET)); | ||
727 | |||
728 | err = usb_interrupt_msg(priv->udev, | ||
729 | usb_rcvbulkpipe(priv->udev, P54U_PIPE_INT), | ||
730 | buf, sizeof(__le32), &alen, 1000); | ||
731 | if (err || alen != sizeof(__le32)) | ||
732 | goto fail; | ||
733 | |||
734 | P54U_READ(NET2280_DEV_U32, &devreg->int_ident); | ||
735 | P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg); | ||
736 | |||
737 | if (!(reg & cpu_to_le32(ISL38XX_INT_IDENT_INIT))) | ||
738 | err = -EINVAL; | ||
739 | |||
740 | P54U_WRITE(NET2280_BRG_U32, NET2280_USBIRQENB1, 0); | ||
741 | P54U_WRITE(NET2280_BRG_U32, NET2280_IRQSTAT1, | ||
742 | cpu_to_le32(NET2280_PCI_INTA_INTERRUPT)); | ||
743 | |||
744 | #undef P54U_WRITE | ||
745 | #undef P54U_READ | ||
746 | |||
747 | fail: | ||
748 | release_firmware(fw_entry); | ||
749 | kfree(buf); | ||
750 | return err; | ||
751 | } | ||
752 | |||
753 | static int p54u_open(struct ieee80211_hw *dev) | ||
754 | { | ||
755 | struct p54u_priv *priv = dev->priv; | ||
756 | int err; | ||
757 | |||
758 | err = p54u_init_urbs(dev); | ||
759 | if (err) { | ||
760 | return err; | ||
761 | } | ||
762 | |||
763 | priv->common.open = p54u_init_urbs; | ||
764 | |||
765 | return 0; | ||
766 | } | ||
767 | |||
768 | static void p54u_stop(struct ieee80211_hw *dev) | ||
769 | { | ||
770 | /* TODO: figure out how to reliably stop the 3887 and net2280 so | ||
771 | the hardware is still usable next time we want to start it. | ||
772 | until then, we just stop listening to the hardware.. */ | ||
773 | p54u_free_urbs(dev); | ||
774 | return; | ||
775 | } | ||
776 | |||
777 | static int __devinit p54u_probe(struct usb_interface *intf, | ||
778 | const struct usb_device_id *id) | ||
779 | { | ||
780 | struct usb_device *udev = interface_to_usbdev(intf); | ||
781 | struct ieee80211_hw *dev; | ||
782 | struct p54u_priv *priv; | ||
783 | int err; | ||
784 | unsigned int i, recognized_pipes; | ||
785 | DECLARE_MAC_BUF(mac); | ||
786 | |||
787 | dev = p54_init_common(sizeof(*priv)); | ||
788 | if (!dev) { | ||
789 | printk(KERN_ERR "prism54usb: ieee80211 alloc failed\n"); | ||
790 | return -ENOMEM; | ||
791 | } | ||
792 | |||
793 | priv = dev->priv; | ||
794 | |||
795 | SET_IEEE80211_DEV(dev, &intf->dev); | ||
796 | usb_set_intfdata(intf, dev); | ||
797 | priv->udev = udev; | ||
798 | |||
799 | usb_get_dev(udev); | ||
800 | |||
801 | /* really lazy and simple way of figuring out if we're a 3887 */ | ||
802 | /* TODO: should just stick the identification in the device table */ | ||
803 | i = intf->altsetting->desc.bNumEndpoints; | ||
804 | recognized_pipes = 0; | ||
805 | while (i--) { | ||
806 | switch (intf->altsetting->endpoint[i].desc.bEndpointAddress) { | ||
807 | case P54U_PIPE_DATA: | ||
808 | case P54U_PIPE_MGMT: | ||
809 | case P54U_PIPE_BRG: | ||
810 | case P54U_PIPE_DEV: | ||
811 | case P54U_PIPE_DATA | USB_DIR_IN: | ||
812 | case P54U_PIPE_MGMT | USB_DIR_IN: | ||
813 | case P54U_PIPE_BRG | USB_DIR_IN: | ||
814 | case P54U_PIPE_DEV | USB_DIR_IN: | ||
815 | case P54U_PIPE_INT | USB_DIR_IN: | ||
816 | recognized_pipes++; | ||
817 | } | ||
818 | } | ||
819 | priv->common.open = p54u_open; | ||
820 | |||
821 | if (recognized_pipes < P54U_PIPE_NUMBER) { | ||
822 | priv->hw_type = P54U_3887; | ||
823 | priv->common.tx = p54u_tx_3887; | ||
824 | } else { | ||
825 | dev->extra_tx_headroom += sizeof(struct net2280_tx_hdr); | ||
826 | priv->common.tx_hdr_len = sizeof(struct net2280_tx_hdr); | ||
827 | priv->common.tx = p54u_tx_net2280; | ||
828 | } | ||
829 | priv->common.stop = p54u_stop; | ||
830 | |||
831 | if (priv->hw_type) | ||
832 | err = p54u_upload_firmware_3887(dev); | ||
833 | else | ||
834 | err = p54u_upload_firmware_net2280(dev); | ||
835 | if (err) | ||
836 | goto err_free_dev; | ||
837 | |||
838 | err = p54u_read_eeprom(dev); | ||
839 | if (err) | ||
840 | goto err_free_dev; | ||
841 | |||
842 | if (!is_valid_ether_addr(dev->wiphy->perm_addr)) { | ||
843 | u8 perm_addr[ETH_ALEN]; | ||
844 | |||
845 | printk(KERN_WARNING "prism54usb: Invalid hwaddr! Using randomly generated MAC addr\n"); | ||
846 | random_ether_addr(perm_addr); | ||
847 | SET_IEEE80211_PERM_ADDR(dev, perm_addr); | ||
848 | } | ||
849 | |||
850 | skb_queue_head_init(&priv->rx_queue); | ||
851 | |||
852 | err = ieee80211_register_hw(dev); | ||
853 | if (err) { | ||
854 | printk(KERN_ERR "prism54usb: Cannot register netdevice\n"); | ||
855 | goto err_free_dev; | ||
856 | } | ||
857 | |||
858 | printk(KERN_INFO "%s: hwaddr %s, isl38%02x\n", | ||
859 | wiphy_name(dev->wiphy), | ||
860 | print_mac(mac, dev->wiphy->perm_addr), | ||
861 | priv->common.version); | ||
862 | |||
863 | return 0; | ||
864 | |||
865 | err_free_dev: | ||
866 | ieee80211_free_hw(dev); | ||
867 | usb_set_intfdata(intf, NULL); | ||
868 | usb_put_dev(udev); | ||
869 | return err; | ||
870 | } | ||
871 | |||
872 | static void __devexit p54u_disconnect(struct usb_interface *intf) | ||
873 | { | ||
874 | struct ieee80211_hw *dev = usb_get_intfdata(intf); | ||
875 | struct p54u_priv *priv; | ||
876 | |||
877 | if (!dev) | ||
878 | return; | ||
879 | |||
880 | ieee80211_unregister_hw(dev); | ||
881 | |||
882 | priv = dev->priv; | ||
883 | usb_put_dev(interface_to_usbdev(intf)); | ||
884 | p54_free_common(dev); | ||
885 | ieee80211_free_hw(dev); | ||
886 | } | ||
887 | |||
888 | static struct usb_driver p54u_driver = { | ||
889 | .name = "prism54usb", | ||
890 | .id_table = p54u_table, | ||
891 | .probe = p54u_probe, | ||
892 | .disconnect = p54u_disconnect, | ||
893 | }; | ||
894 | |||
895 | static int __init p54u_init(void) | ||
896 | { | ||
897 | return usb_register(&p54u_driver); | ||
898 | } | ||
899 | |||
900 | static void __exit p54u_exit(void) | ||
901 | { | ||
902 | usb_deregister(&p54u_driver); | ||
903 | } | ||
904 | |||
905 | module_init(p54u_init); | ||
906 | module_exit(p54u_exit); | ||
diff --git a/drivers/net/wireless/p54usb.h b/drivers/net/wireless/p54usb.h new file mode 100644 index 000000000000..d1896b396c1c --- /dev/null +++ b/drivers/net/wireless/p54usb.h | |||
@@ -0,0 +1,133 @@ | |||
1 | #ifndef PRISM54USB_H | ||
2 | #define PRISM54USB_H | ||
3 | |||
4 | /* | ||
5 | * Defines for USB based mac80211 Prism54 driver | ||
6 | * | ||
7 | * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> | ||
8 | * | ||
9 | * Based on the islsm (softmac prism54) driver, which is: | ||
10 | * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of the GNU General Public License version 2 as | ||
14 | * published by the Free Software Foundation. | ||
15 | */ | ||
16 | |||
17 | /* for isl3886 register definitions used on ver 1 devices */ | ||
18 | #include "p54pci.h" | ||
19 | #include "net2280.h" | ||
20 | |||
21 | /* pci */ | ||
22 | #define NET2280_BASE 0x10000000 | ||
23 | #define NET2280_BASE2 0x20000000 | ||
24 | |||
25 | /* gpio */ | ||
26 | #define P54U_BRG_POWER_UP (1 << GPIO0_DATA) | ||
27 | #define P54U_BRG_POWER_DOWN (1 << GPIO1_DATA) | ||
28 | |||
29 | /* devinit */ | ||
30 | #define NET2280_CLK_4Mhz (15 << LOCAL_CLOCK_FREQUENCY) | ||
31 | #define NET2280_CLK_30Mhz (2 << LOCAL_CLOCK_FREQUENCY) | ||
32 | #define NET2280_CLK_60Mhz (1 << LOCAL_CLOCK_FREQUENCY) | ||
33 | #define NET2280_CLK_STOP (0 << LOCAL_CLOCK_FREQUENCY) | ||
34 | #define NET2280_PCI_ENABLE (1 << PCI_ENABLE) | ||
35 | #define NET2280_PCI_SOFT_RESET (1 << PCI_SOFT_RESET) | ||
36 | |||
37 | /* endpoints */ | ||
38 | #define NET2280_CLEAR_NAK_OUT_PACKETS_MODE (1 << CLEAR_NAK_OUT_PACKETS_MODE) | ||
39 | #define NET2280_FIFO_FLUSH (1 << FIFO_FLUSH) | ||
40 | |||
41 | /* irq */ | ||
42 | #define NET2280_USB_INTERRUPT_ENABLE (1 << USB_INTERRUPT_ENABLE) | ||
43 | #define NET2280_PCI_INTA_INTERRUPT (1 << PCI_INTA_INTERRUPT) | ||
44 | #define NET2280_PCI_INTA_INTERRUPT_ENABLE (1 << PCI_INTA_INTERRUPT_ENABLE) | ||
45 | |||
46 | /* registers */ | ||
47 | #define NET2280_DEVINIT 0x00 | ||
48 | #define NET2280_USBIRQENB1 0x24 | ||
49 | #define NET2280_IRQSTAT1 0x2c | ||
50 | #define NET2280_FIFOCTL 0x38 | ||
51 | #define NET2280_GPIOCTL 0x50 | ||
52 | #define NET2280_RELNUM 0x88 | ||
53 | #define NET2280_EPA_RSP 0x324 | ||
54 | #define NET2280_EPA_STAT 0x32c | ||
55 | #define NET2280_EPB_STAT 0x34c | ||
56 | #define NET2280_EPC_RSP 0x364 | ||
57 | #define NET2280_EPC_STAT 0x36c | ||
58 | #define NET2280_EPD_STAT 0x38c | ||
59 | |||
60 | #define NET2280_EPA_CFG 0x320 | ||
61 | #define NET2280_EPB_CFG 0x340 | ||
62 | #define NET2280_EPC_CFG 0x360 | ||
63 | #define NET2280_EPD_CFG 0x380 | ||
64 | #define NET2280_EPE_CFG 0x3A0 | ||
65 | #define NET2280_EPF_CFG 0x3C0 | ||
66 | #define P54U_DEV_BASE 0x40000000 | ||
67 | |||
68 | struct net2280_tx_hdr { | ||
69 | __le32 device_addr; | ||
70 | __le16 len; | ||
71 | __le16 follower; /* ? */ | ||
72 | u8 padding[8]; | ||
73 | } __attribute__((packed)); | ||
74 | |||
75 | /* Some flags for the isl hardware registers controlling DMA inside the | ||
76 | * chip */ | ||
77 | #define ISL38XX_DMA_STATUS_DONE 0x00000001 | ||
78 | #define ISL38XX_DMA_STATUS_READY 0x00000002 | ||
79 | #define NET2280_EPA_FIFO_PCI_ADDR 0x20000000 | ||
80 | #define ISL38XX_DMA_MASTER_CONTROL_TRIGGER 0x00000004 | ||
81 | |||
82 | enum net2280_op_type { | ||
83 | NET2280_BRG_U32 = 0x001F, | ||
84 | NET2280_BRG_CFG_U32 = 0x000F, | ||
85 | NET2280_BRG_CFG_U16 = 0x0003, | ||
86 | NET2280_DEV_U32 = 0x080F, | ||
87 | NET2280_DEV_CFG_U32 = 0x088F, | ||
88 | NET2280_DEV_CFG_U16 = 0x0883 | ||
89 | }; | ||
90 | |||
91 | #define P54U_FW_BLOCK 2048 | ||
92 | |||
93 | #define X2_SIGNATURE "x2 " | ||
94 | #define X2_SIGNATURE_SIZE 4 | ||
95 | |||
96 | struct x2_header { | ||
97 | u8 signature[X2_SIGNATURE_SIZE]; | ||
98 | __le32 fw_load_addr; | ||
99 | __le32 fw_length; | ||
100 | __le32 crc; | ||
101 | } __attribute__((packed)); | ||
102 | |||
103 | /* pipes 3 and 4 are not used by the driver */ | ||
104 | #define P54U_PIPE_NUMBER 9 | ||
105 | |||
106 | enum p54u_pipe_addr { | ||
107 | P54U_PIPE_DATA = 0x01, | ||
108 | P54U_PIPE_MGMT = 0x02, | ||
109 | P54U_PIPE_3 = 0x03, | ||
110 | P54U_PIPE_4 = 0x04, | ||
111 | P54U_PIPE_BRG = 0x0d, | ||
112 | P54U_PIPE_DEV = 0x0e, | ||
113 | P54U_PIPE_INT = 0x0f | ||
114 | }; | ||
115 | |||
116 | struct p54u_rx_info { | ||
117 | struct urb *urb; | ||
118 | struct ieee80211_hw *dev; | ||
119 | }; | ||
120 | |||
121 | struct p54u_priv { | ||
122 | struct p54_common common; | ||
123 | struct usb_device *udev; | ||
124 | enum { | ||
125 | P54U_NET2280 = 0, | ||
126 | P54U_3887 | ||
127 | } hw_type; | ||
128 | |||
129 | spinlock_t lock; | ||
130 | struct sk_buff_head rx_queue; | ||
131 | }; | ||
132 | |||
133 | #endif /* PRISM54USB_H */ | ||