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Merge branch 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[deliverable/linux.git] / drivers / staging / go7007 / go7007-usb.c
CommitLineData
866b8695
GKH		 1/*
2 * Copyright (C) 2005-2006 Micronas USA Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License (Version 2) as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
16 */
17
18#include <linux/module.h>
866b8695
GKH		 19#include <linux/kernel.h>
20#include <linux/init.h>
21#include <linux/wait.h>
22#include <linux/list.h>
23#include <linux/slab.h>
24#include <linux/time.h>
25#include <linux/mm.h>
26#include <linux/usb.h>
27#include <linux/i2c.h>
28#include <asm/byteorder.h>
29#include <media/tvaudio.h>
30
31#include "go7007-priv.h"
32#include "wis-i2c.h"
33
34static unsigned int assume_endura;
35module_param(assume_endura, int, 0644);
f4a7d6e4
PE		 36MODULE_PARM_DESC(assume_endura, "when probing fails, "
37 "hardware is a Pelco Endura");
866b8695
GKH		 38
39/* #define GO7007_USB_DEBUG */
40/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
41
42#define HPI_STATUS_ADDR 0xFFF4
43#define INT_PARAM_ADDR 0xFFF6
44#define INT_INDEX_ADDR 0xFFF8
45
46/*
47 * Pipes on EZ-USB interface:
f4a7d6e4
PE		 48 * 0 snd - Control
49 * 0 rcv - Control
50 * 2 snd - Download firmware (control)
51 * 4 rcv - Read Interrupt (interrupt)
52 * 6 rcv - Read Video (bulk)
53 * 8 rcv - Read Audio (bulk)
866b8695
GKH		 54 */
55
56#define GO7007_USB_EZUSB (1<<0)
57#define GO7007_USB_EZUSB_I2C (1<<1)
58
59struct go7007_usb_board {
60 unsigned int flags;
61 struct go7007_board_info main_info;
62};
63
64struct go7007_usb {
65 struct go7007_usb_board *board;
fd9a40da 66 struct mutex i2c_lock;
866b8695
GKH		 67 struct usb_device *usbdev;
68 struct urb *video_urbs[8];
69 struct urb *audio_urbs[8];
70 struct urb *intr_urb;
71};
72
73/*********************** Product specification data ***********************/
74
75static struct go7007_usb_board board_matrix_ii = {
76 .flags = GO7007_USB_EZUSB,
77 .main_info = {
78 .firmware = "go7007tv.bin",
79 .flags = GO7007_BOARD_HAS_AUDIO |
80 GO7007_BOARD_USE_ONBOARD_I2C,
81 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
82 GO7007_AUDIO_WORD_16,
83 .audio_rate = 48000,
84 .audio_bclk_div = 8,
85 .audio_main_div = 2,
86 .hpi_buffer_cap = 7,
87 .sensor_flags = GO7007_SENSOR_656 |
88 GO7007_SENSOR_VALID_ENABLE |
89 GO7007_SENSOR_TV |
90 GO7007_SENSOR_VBI |
91 GO7007_SENSOR_SCALING,
92 .num_i2c_devs = 1,
93 .i2c_devs = {
94 {
7400516a 95 .type = "wis_saa7115",
866b8695
GKH		 96 .id = I2C_DRIVERID_WIS_SAA7115,
97 .addr = 0x20,
98 },
99 },
100 .num_inputs = 2,
f4a7d6e4 101 .inputs = {
866b8695
GKH		 102 {
103 .video_input = 0,
104 .name = "Composite",
105 },
106 {
107 .video_input = 9,
108 .name = "S-Video",
109 },
110 },
111 },
112};
113
114static struct go7007_usb_board board_matrix_reload = {
115 .flags = GO7007_USB_EZUSB,
116 .main_info = {
117 .firmware = "go7007tv.bin",
118 .flags = GO7007_BOARD_HAS_AUDIO |
119 GO7007_BOARD_USE_ONBOARD_I2C,
120 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
121 GO7007_AUDIO_I2S_MASTER |
122 GO7007_AUDIO_WORD_16,
123 .audio_rate = 48000,
124 .audio_bclk_div = 8,
125 .audio_main_div = 2,
126 .hpi_buffer_cap = 7,
127 .sensor_flags = GO7007_SENSOR_656 |
128 GO7007_SENSOR_TV,
129 .num_i2c_devs = 1,
130 .i2c_devs = {
131 {
7400516a 132 .type = "wis_saa7113",
866b8695
GKH		 133 .id = I2C_DRIVERID_WIS_SAA7113,
134 .addr = 0x25,
135 },
136 },
137 .num_inputs = 2,
f4a7d6e4 138 .inputs = {
866b8695
GKH		 139 {
140 .video_input = 0,
141 .name = "Composite",
142 },
143 {
144 .video_input = 9,
145 .name = "S-Video",
146 },
147 },
148 },
149};
150
151static struct go7007_usb_board board_star_trek = {
152 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
153 .main_info = {
154 .firmware = "go7007tv.bin",
155 .flags = GO7007_BOARD_HAS_AUDIO, /* |
156 GO7007_BOARD_HAS_TUNER, */
157 .sensor_flags = GO7007_SENSOR_656 |
158 GO7007_SENSOR_VALID_ENABLE |
159 GO7007_SENSOR_TV |
160 GO7007_SENSOR_VBI |
161 GO7007_SENSOR_SCALING,
162 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
163 GO7007_AUDIO_WORD_16,
164 .audio_bclk_div = 8,
165 .audio_main_div = 2,
166 .hpi_buffer_cap = 7,
167 .num_i2c_devs = 1,
168 .i2c_devs = {
169 {
7400516a 170 .type = "wis_saa7115",
866b8695
GKH		 171 .id = I2C_DRIVERID_WIS_SAA7115,
172 .addr = 0x20,
173 },
174 },
175 .num_inputs = 2,
f4a7d6e4 176 .inputs = {
866b8695
GKH		 177 {
178 .video_input = 1,
179 /* .audio_input = AUDIO_EXTERN, */
180 .name = "Composite",
181 },
182 {
183 .video_input = 8,
184 /* .audio_input = AUDIO_EXTERN, */
185 .name = "S-Video",
186 },
187 /* {
188 * .video_input = 3,
189 * .audio_input = AUDIO_TUNER,
190 * .name = "Tuner",
191 * },
192 */
193 },
194 },
195};
196
197static struct go7007_usb_board board_px_tv402u = {
198 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
199 .main_info = {
200 .firmware = "go7007tv.bin",
201 .flags = GO7007_BOARD_HAS_AUDIO |
202 GO7007_BOARD_HAS_TUNER,
203 .sensor_flags = GO7007_SENSOR_656 |
204 GO7007_SENSOR_VALID_ENABLE |
205 GO7007_SENSOR_TV |
206 GO7007_SENSOR_VBI |
207 GO7007_SENSOR_SCALING,
208 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
209 GO7007_AUDIO_WORD_16,
210 .audio_bclk_div = 8,
211 .audio_main_div = 2,
212 .hpi_buffer_cap = 7,
213 .num_i2c_devs = 3,
214 .i2c_devs = {
215 {
7400516a 216 .type = "wis_saa7115",
866b8695
GKH		 217 .id = I2C_DRIVERID_WIS_SAA7115,
218 .addr = 0x20,
219 },
220 {
7400516a 221 .type = "wis_uda1342",
866b8695
GKH		 222 .id = I2C_DRIVERID_WIS_UDA1342,
223 .addr = 0x1a,
224 },
225 {
7400516a 226 .type = "wis_sony_tuner",
866b8695
GKH		 227 .id = I2C_DRIVERID_WIS_SONY_TUNER,
228 .addr = 0x60,
229 },
230 },
231 .num_inputs = 3,
f4a7d6e4 232 .inputs = {
866b8695
GKH		 233 {
234 .video_input = 1,
d73f822c 235 .audio_input = TVAUDIO_INPUT_EXTERN,
866b8695
GKH		 236 .name = "Composite",
237 },
238 {
239 .video_input = 8,
240 .audio_input = TVAUDIO_INPUT_EXTERN,
241 .name = "S-Video",
242 },
243 {
244 .video_input = 3,
245 .audio_input = TVAUDIO_INPUT_TUNER,
246 .name = "Tuner",
247 },
248 },
249 },
250};
251
252static struct go7007_usb_board board_xmen = {
253 .flags = 0,
254 .main_info = {
255 .firmware = "go7007tv.bin",
256 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
257 .hpi_buffer_cap = 0,
258 .sensor_flags = GO7007_SENSOR_VREF_POLAR,
259 .sensor_width = 320,
260 .sensor_height = 240,
261 .sensor_framerate = 30030,
262 .audio_flags = GO7007_AUDIO_ONE_CHANNEL |
263 GO7007_AUDIO_I2S_MODE_3 |
264 GO7007_AUDIO_WORD_14 |
265 GO7007_AUDIO_I2S_MASTER |
266 GO7007_AUDIO_BCLK_POLAR |
267 GO7007_AUDIO_OKI_MODE,
268 .audio_rate = 8000,
269 .audio_bclk_div = 48,
270 .audio_main_div = 1,
271 .num_i2c_devs = 1,
272 .i2c_devs = {
273 {
7400516a 274 .type = "wis_ov7640",
866b8695
GKH		 275 .id = I2C_DRIVERID_WIS_OV7640,
276 .addr = 0x21,
277 },
278 },
279 .num_inputs = 1,
f4a7d6e4 280 .inputs = {
866b8695
GKH		 281 {
282 .name = "Camera",
283 },
284 },
285 },
286};
287
288static struct go7007_usb_board board_matrix_revolution = {
289 .flags = GO7007_USB_EZUSB,
290 .main_info = {
291 .firmware = "go7007tv.bin",
292 .flags = GO7007_BOARD_HAS_AUDIO |
293 GO7007_BOARD_USE_ONBOARD_I2C,
294 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
295 GO7007_AUDIO_I2S_MASTER |
296 GO7007_AUDIO_WORD_16,
297 .audio_rate = 48000,
298 .audio_bclk_div = 8,
299 .audio_main_div = 2,
300 .hpi_buffer_cap = 7,
301 .sensor_flags = GO7007_SENSOR_656 |
302 GO7007_SENSOR_TV |
303 GO7007_SENSOR_VBI,
304 .num_i2c_devs = 1,
305 .i2c_devs = {
306 {
7400516a 307 .type = "wis_tw9903",
866b8695
GKH		 308 .id = I2C_DRIVERID_WIS_TW9903,
309 .addr = 0x44,
310 },
311 },
312 .num_inputs = 2,
f4a7d6e4 313 .inputs = {
866b8695
GKH		 314 {
315 .video_input = 2,
316 .name = "Composite",
317 },
318 {
319 .video_input = 8,
320 .name = "S-Video",
321 },
322 },
323 },
324};
325
326static struct go7007_usb_board board_lifeview_lr192 = {
327 .flags = GO7007_USB_EZUSB,
328 .main_info = {
329 .firmware = "go7007tv.bin",
330 .flags = GO7007_BOARD_HAS_AUDIO |
331 GO7007_BOARD_USE_ONBOARD_I2C,
332 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
333 GO7007_AUDIO_WORD_16,
334 .audio_rate = 48000,
335 .audio_bclk_div = 8,
336 .audio_main_div = 2,
337 .hpi_buffer_cap = 7,
338 .sensor_flags = GO7007_SENSOR_656 |
339 GO7007_SENSOR_VALID_ENABLE |
340 GO7007_SENSOR_TV |
341 GO7007_SENSOR_VBI |
342 GO7007_SENSOR_SCALING,
343 .num_i2c_devs = 0,
344 .num_inputs = 1,
f4a7d6e4 345 .inputs = {
866b8695
GKH		 346 {
347 .video_input = 0,
348 .name = "Composite",
349 },
350 },
351 },
352};
353
354static struct go7007_usb_board board_endura = {
355 .flags = 0,
356 .main_info = {
357 .firmware = "go7007tv.bin",
358 .flags = 0,
359 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
360 GO7007_AUDIO_I2S_MASTER |
361 GO7007_AUDIO_WORD_16,
362 .audio_rate = 8000,
363 .audio_bclk_div = 48,
364 .audio_main_div = 8,
365 .hpi_buffer_cap = 0,
366 .sensor_flags = GO7007_SENSOR_656 |
367 GO7007_SENSOR_TV,
368 .sensor_h_offset = 8,
369 .num_i2c_devs = 0,
370 .num_inputs = 1,
f4a7d6e4 371 .inputs = {
866b8695
GKH		 372 {
373 .name = "Camera",
374 },
375 },
376 },
377};
378
379static struct go7007_usb_board board_adlink_mpg24 = {
380 .flags = 0,
381 .main_info = {
382 .firmware = "go7007tv.bin",
383 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
384 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
385 GO7007_AUDIO_I2S_MASTER |
386 GO7007_AUDIO_WORD_16,
387 .audio_rate = 48000,
388 .audio_bclk_div = 8,
389 .audio_main_div = 2,
390 .hpi_buffer_cap = 0,
391 .sensor_flags = GO7007_SENSOR_656 |
392 GO7007_SENSOR_TV |
393 GO7007_SENSOR_VBI,
394 .num_i2c_devs = 1,
395 .i2c_devs = {
396 {
7400516a 397 .type = "wis_twTW2804",
866b8695
GKH		 398 .id = I2C_DRIVERID_WIS_TW2804,
399 .addr = 0x00, /* yes, really */
400 },
401 },
402 .num_inputs = 1,
f4a7d6e4 403 .inputs = {
866b8695
GKH		 404 {
405 .name = "Composite",
406 },
407 },
408 },
409};
410
b11869db
PE		 411static struct go7007_usb_board board_sensoray_2250 = {
412 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
413 .main_info = {
414 .firmware = "go7007tv.bin",
415 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
416 GO7007_AUDIO_I2S_MASTER |
417 GO7007_AUDIO_WORD_16,
418 .flags = GO7007_BOARD_HAS_AUDIO,
419 .audio_rate = 48000,
420 .audio_bclk_div = 8,
421 .audio_main_div = 2,
422 .hpi_buffer_cap = 7,
423 .sensor_flags = GO7007_SENSOR_656 |
424 GO7007_SENSOR_TV,
425 .num_i2c_devs = 1,
426 .i2c_devs = {
427 {
7400516a 428 .type = "s2250_board",
b11869db 429 .id = I2C_DRIVERID_S2250,
7400516a 430 .addr = 0x43,
b11869db
PE		 431 },
432 },
433 .num_inputs = 2,
f4a7d6e4 434 .inputs = {
b11869db
PE		 435 {
436 .video_input = 0,
437 .name = "Composite",
438 },
439 {
440 .video_input = 1,
441 .name = "S-Video",
442 },
443 },
444 },
445};
446
866b8695
GKH		 447static struct usb_device_id go7007_usb_id_table[] = {
448 {
449 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
450 USB_DEVICE_ID_MATCH_INT_INFO,
451 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
452 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
453 .bcdDevice_lo = 0x200, /* Revision number of XMen */
454 .bcdDevice_hi = 0x200,
455 .bInterfaceClass = 255,
456 .bInterfaceSubClass = 0,
457 .bInterfaceProtocol = 255,
458 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN,
459 },
460 {
461 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
462 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
463 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
464 .bcdDevice_lo = 0x202, /* Revision number of Matrix II */
465 .bcdDevice_hi = 0x202,
466 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
467 },
468 {
469 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
470 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
471 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
472 .bcdDevice_lo = 0x204, /* Revision number of Matrix */
473 .bcdDevice_hi = 0x204, /* Reloaded */
474 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
475 },
476 {
477 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
478 USB_DEVICE_ID_MATCH_INT_INFO,
479 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
480 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
481 .bcdDevice_lo = 0x205, /* Revision number of XMen-II */
482 .bcdDevice_hi = 0x205,
483 .bInterfaceClass = 255,
484 .bInterfaceSubClass = 0,
485 .bInterfaceProtocol = 255,
486 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
487 },
488 {
489 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
490 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
491 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
492 .bcdDevice_lo = 0x208, /* Revision number of Star Trek */
493 .bcdDevice_hi = 0x208,
494 .driver_info = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
495 },
496 {
497 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
498 USB_DEVICE_ID_MATCH_INT_INFO,
499 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
500 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
501 .bcdDevice_lo = 0x209, /* Revision number of XMen-III */
502 .bcdDevice_hi = 0x209,
503 .bInterfaceClass = 255,
504 .bInterfaceSubClass = 0,
505 .bInterfaceProtocol = 255,
506 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
507 },
508 {
509 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
510 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
511 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
512 .bcdDevice_lo = 0x210, /* Revision number of Matrix */
513 .bcdDevice_hi = 0x210, /* Revolution */
514 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
515 },
516 {
517 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
518 .idVendor = 0x093b, /* Vendor ID of Plextor */
519 .idProduct = 0xa102, /* Product ID of M402U */
520 .bcdDevice_lo = 0x1, /* revision number of Blueberry */
521 .bcdDevice_hi = 0x1,
522 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
523 },
524 {
525 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
526 .idVendor = 0x093b, /* Vendor ID of Plextor */
527 .idProduct = 0xa104, /* Product ID of TV402U */
528 .bcdDevice_lo = 0x1,
529 .bcdDevice_hi = 0x1,
530 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U_ANY,
531 },
532 {
533 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
534 .idVendor = 0x10fd, /* Vendor ID of Anubis Electronics */
535 .idProduct = 0xde00, /* Product ID of Lifeview LR192 */
536 .bcdDevice_lo = 0x1,
537 .bcdDevice_hi = 0x1,
538 .driver_info = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
539 },
b11869db
PE		 540 {
541 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
542 .idVendor = 0x1943, /* Vendor ID Sensoray */
543 .idProduct = 0x2250, /* Product ID of 2250/2251 */
544 .bcdDevice_lo = 0x1,
545 .bcdDevice_hi = 0x1,
546 .driver_info = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
547 },
866b8695
GKH		 548 { } /* Terminating entry */
549};
550
551MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
552
553/********************* Driver for EZ-USB HPI interface *********************/
554
555static int go7007_usb_vendor_request(struct go7007 *go, int request,
556 int value, int index, void *transfer_buffer, int length, int in)
557{
558 struct go7007_usb *usb = go->hpi_context;
559 int timeout = 5000;
560
561 if (in) {
562 return usb_control_msg(usb->usbdev,
563 usb_rcvctrlpipe(usb->usbdev, 0), request,
564 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
565 value, index, transfer_buffer, length, timeout);
566 } else {
567 return usb_control_msg(usb->usbdev,
568 usb_sndctrlpipe(usb->usbdev, 0), request,
569 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
570 value, index, transfer_buffer, length, timeout);
571 }
572}
573
574static int go7007_usb_interface_reset(struct go7007 *go)
575{
576 struct go7007_usb *usb = go->hpi_context;
577 u16 intr_val, intr_data;
578
579 /* Reset encoder */
580 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
581 return -1;
582 msleep(100);
583
584 if (usb->board->flags & GO7007_USB_EZUSB) {
585 /* Reset buffer in EZ-USB */
586#ifdef GO7007_USB_DEBUG
587 printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n");
588#endif
589 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
590 go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
591 return -1;
592
593 /* Reset encoder again */
594 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
595 return -1;
596 msleep(100);
597 }
598
599 /* Wait for an interrupt to indicate successful hardware reset */
600 if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
601 (intr_val & ~0x1) != 0x55aa) {
602 printk(KERN_ERR
603 "go7007-usb: unable to reset the USB interface\n");
604 return -1;
605 }
606 return 0;
607}
608
609static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
610 int addr, int data)
611{
612 struct go7007_usb *usb = go->hpi_context;
613 int i, r;
614 u16 status_reg;
615 int timeout = 500;
616
617#ifdef GO7007_USB_DEBUG
618 printk(KERN_DEBUG
619 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
620#endif
621
622 for (i = 0; i < 100; ++i) {
623 r = usb_control_msg(usb->usbdev,
624 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
625 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
626 0, HPI_STATUS_ADDR, &status_reg,
627 sizeof(status_reg), timeout);
628 if (r < 0)
629 goto write_int_error;
630 __le16_to_cpus(&status_reg);
631 if (!(status_reg & 0x0010))
632 break;
633 msleep(10);
634 }
635 if (i == 100) {
636 printk(KERN_ERR
637 "go7007-usb: device is hung, status reg = 0x%04x\n",
638 status_reg);
639 return -1;
640 }
641 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
642 USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
643 INT_PARAM_ADDR, NULL, 0, timeout);
644 if (r < 0)
645 goto write_int_error;
646 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
647 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
648 INT_INDEX_ADDR, NULL, 0, timeout);
649 if (r < 0)
650 goto write_int_error;
651 return 0;
652
653write_int_error:
654 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
655 return r;
656}
657
658static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
659 int addr, int data)
660{
661 struct go7007_usb *usb = go->hpi_context;
662 u8 *tbuf;
663 int r;
664 int timeout = 500;
665
666#ifdef GO7007_USB_DEBUG
667 printk(KERN_DEBUG
668 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
669#endif
670
671 tbuf = kmalloc(8, GFP_KERNEL);
672 if (tbuf == NULL)
673 return -ENOMEM;
674 memset(tbuf, 0, 8);
675 tbuf[0] = data & 0xff;
676 tbuf[1] = data >> 8;
677 tbuf[2] = addr & 0xff;
678 tbuf[3] = addr >> 8;
679 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
680 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
681 0xf0f0, tbuf, 8, timeout);
682 kfree(tbuf);
683 if (r < 0) {
684 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
685 return r;
686 }
687 return 0;
688}
689
690static void go7007_usb_readinterrupt_complete(struct urb *urb)
691{
692 struct go7007 *go = (struct go7007 *)urb->context;
693 u16 *regs = (u16 *)urb->transfer_buffer;
9efb0525 694 int status = urb->status;
866b8695 695
9efb0525
ON		 696 if (status) {
697 if (status != -ESHUTDOWN &&
866b8695
GKH		 698 go->status != STATUS_SHUTDOWN) {
699 printk(KERN_ERR
700 "go7007-usb: error in read interrupt: %d\n",
701 urb->status);
702 } else {
703 wake_up(&go->interrupt_waitq);
704 return;
705 }
706 } else if (urb->actual_length != urb->transfer_buffer_length) {
707 printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
708 } else {
709 go->interrupt_available = 1;
710 go->interrupt_data = __le16_to_cpu(regs[0]);
711 go->interrupt_value = __le16_to_cpu(regs[1]);
712#ifdef GO7007_USB_DEBUG
713 printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
714 go->interrupt_value, go->interrupt_data);
715#endif
716 }
717
718 wake_up(&go->interrupt_waitq);
719}
720
721static int go7007_usb_read_interrupt(struct go7007 *go)
722{
723 struct go7007_usb *usb = go->hpi_context;
724 int r;
725
726 r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
727 if (r < 0) {
728 printk(KERN_ERR
729 "go7007-usb: unable to submit interrupt urb: %d\n", r);
730 return r;
731 }
732 return 0;
733}
734
735static void go7007_usb_read_video_pipe_complete(struct urb *urb)
736{
737 struct go7007 *go = (struct go7007 *)urb->context;
fd9a40da 738 int r, status = urb->status;
866b8695
GKH		 739
740 if (!go->streaming) {
741 wake_up_interruptible(&go->frame_waitq);
742 return;
743 }
9efb0525 744 if (status) {
f4a7d6e4
PE		 745 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n",
746 status);
866b8695
GKH		 747 return;
748 }
749 if (urb->actual_length != urb->transfer_buffer_length) {
750 printk(KERN_ERR "go7007-usb: short read in video pipe!\n");
751 return;
752 }
753 go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
754 r = usb_submit_urb(urb, GFP_ATOMIC);
755 if (r < 0)
756 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r);
757}
758
759static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
760{
761 struct go7007 *go = (struct go7007 *)urb->context;
9efb0525 762 int r, status = urb->status;
866b8695
GKH		 763
764 if (!go->streaming)
765 return;
9efb0525 766 if (status) {
f4a7d6e4
PE		 767 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n",
768 status);
866b8695
GKH		 769 return;
770 }
771 if (urb->actual_length != urb->transfer_buffer_length) {
772 printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
773 return;
774 }
775 if (go->audio_deliver != NULL)
776 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
777 r = usb_submit_urb(urb, GFP_ATOMIC);
778 if (r < 0)
779 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
780}
781
782static int go7007_usb_stream_start(struct go7007 *go)
783{
784 struct go7007_usb *usb = go->hpi_context;
785 int i, r;
786
787 for (i = 0; i < 8; ++i) {
788 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
789 if (r < 0) {
790 printk(KERN_ERR "go7007-usb: error submitting video "
791 "urb %d: %d\n", i, r);
792 goto video_submit_failed;
793 }
794 }
795 if (!go->audio_enabled)
796 return 0;
797
798 for (i = 0; i < 8; ++i) {
799 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
800 if (r < 0) {
801 printk(KERN_ERR "go7007-usb: error submitting audio "
802 "urb %d: %d\n", i, r);
803 goto audio_submit_failed;
804 }
805 }
806 return 0;
807
808audio_submit_failed:
9efb0525 809 for (i = 0; i < 7; ++i)
866b8695
GKH		 810 usb_kill_urb(usb->audio_urbs[i]);
811video_submit_failed:
812 for (i = 0; i < 8; ++i)
813 usb_kill_urb(usb->video_urbs[i]);
814 return -1;
815}
816
817static int go7007_usb_stream_stop(struct go7007 *go)
818{
819 struct go7007_usb *usb = go->hpi_context;
820 int i;
821
822 if (go->status == STATUS_SHUTDOWN)
823 return 0;
824 for (i = 0; i < 8; ++i)
825 usb_kill_urb(usb->video_urbs[i]);
826 if (go->audio_enabled)
827 for (i = 0; i < 8; ++i)
828 usb_kill_urb(usb->audio_urbs[i]);
829 return 0;
830}
831
832static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
833{
834 struct go7007_usb *usb = go->hpi_context;
835 int transferred, pipe;
836 int timeout = 500;
837
838#ifdef GO7007_USB_DEBUG
839 printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
840#endif
841
842 if (usb->board->flags & GO7007_USB_EZUSB)
843 pipe = usb_sndbulkpipe(usb->usbdev, 2);
844 else
845 pipe = usb_sndbulkpipe(usb->usbdev, 3);
846
847 return usb_bulk_msg(usb->usbdev, pipe, data, len,
848 &transferred, timeout);
849}
850
851static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
852 .interface_reset = go7007_usb_interface_reset,
853 .write_interrupt = go7007_usb_ezusb_write_interrupt,
854 .read_interrupt = go7007_usb_read_interrupt,
855 .stream_start = go7007_usb_stream_start,
856 .stream_stop = go7007_usb_stream_stop,
857 .send_firmware = go7007_usb_send_firmware,
858};
859
860static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
861 .interface_reset = go7007_usb_interface_reset,
862 .write_interrupt = go7007_usb_onboard_write_interrupt,
863 .read_interrupt = go7007_usb_read_interrupt,
864 .stream_start = go7007_usb_stream_start,
865 .stream_stop = go7007_usb_stream_stop,
866 .send_firmware = go7007_usb_send_firmware,
867};
868
869/********************* Driver for EZ-USB I2C adapter *********************/
870
871static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
872 struct i2c_msg msgs[], int num)
873{
874 struct go7007 *go = i2c_get_adapdata(adapter);
875 struct go7007_usb *usb = go->hpi_context;
876 u8 buf[16];
877 int buf_len, i;
878 int ret = -1;
879
880 if (go->status == STATUS_SHUTDOWN)
881 return -1;
882
fd9a40da 883 mutex_lock(&usb->i2c_lock);
866b8695
GKH		 884
885 for (i = 0; i < num; ++i) {
886 /* The hardware command is "write some bytes then read some
887 * bytes", so we try to coalesce a write followed by a read
888 * into a single USB transaction */
889 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
890 !(msgs[i].flags & I2C_M_RD) &&
891 (msgs[i + 1].flags & I2C_M_RD)) {
892#ifdef GO7007_I2C_DEBUG
893 printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
894 "bytes on %02x\n", msgs[i].len,
895 msgs[i + 1].len, msgs[i].addr);
896#endif
897 buf[0] = 0x01;
898 buf[1] = msgs[i].len + 1;
899 buf[2] = msgs[i].addr << 1;
900 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
901 buf_len = msgs[i].len + 3;
902 buf[buf_len++] = msgs[++i].len;
903 } else if (msgs[i].flags & I2C_M_RD) {
904#ifdef GO7007_I2C_DEBUG
905 printk(KERN_DEBUG "go7007-usb: i2c read %d "
906 "bytes on %02x\n", msgs[i].len,
907 msgs[i].addr);
908#endif
909 buf[0] = 0x01;
910 buf[1] = 1;
911 buf[2] = msgs[i].addr << 1;
912 buf[3] = msgs[i].len;
913 buf_len = 4;
914 } else {
915#ifdef GO7007_I2C_DEBUG
916 printk(KERN_DEBUG "go7007-usb: i2c write %d "
917 "bytes on %02x\n", msgs[i].len,
918 msgs[i].addr);
919#endif
920 buf[0] = 0x00;
921 buf[1] = msgs[i].len + 1;
922 buf[2] = msgs[i].addr << 1;
923 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
924 buf_len = msgs[i].len + 3;
925 buf[buf_len++] = 0;
926 }
927 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
928 buf, buf_len, 0) < 0)
929 goto i2c_done;
930 if (msgs[i].flags & I2C_M_RD) {
931 memset(buf, 0, sizeof(buf));
932 if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
933 msgs[i].len + 1, 1) < 0)
934 goto i2c_done;
935 memcpy(msgs[i].buf, buf + 1, msgs[i].len);
936 }
937 }
938 ret = 0;
939
940i2c_done:
fd9a40da 941 mutex_unlock(&usb->i2c_lock);
866b8695
GKH		 942 return ret;
943}
944
945static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
946{
947 /* No errors are reported by the hardware, so we don't bother
948 * supporting quick writes to avoid confusing probing */
949 return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
950}
951
952static struct i2c_algorithm go7007_usb_algo = {
953 .master_xfer = go7007_usb_i2c_master_xfer,
954 .functionality = go7007_usb_functionality,
955};
956
957static struct i2c_adapter go7007_usb_adap_templ = {
958 .owner = THIS_MODULE,
866b8695 959 .name = "WIS GO7007SB EZ-USB",
866b8695
GKH		 960 .algo = &go7007_usb_algo,
961};
962
963/********************* USB add/remove functions *********************/
964
965static int go7007_usb_probe(struct usb_interface *intf,
966 const struct usb_device_id *id)
967{
968 struct go7007 *go;
969 struct go7007_usb *usb;
970 struct go7007_usb_board *board;
971 struct usb_device *usbdev = interface_to_usbdev(intf);
972 char *name;
973 int video_pipe, i, v_urb_len;
974
975 printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");
976
977 switch (id->driver_info) {
978 case GO7007_BOARDID_MATRIX_II:
979 name = "WIS Matrix II or compatible";
980 board = &board_matrix_ii;
981 break;
982 case GO7007_BOARDID_MATRIX_RELOAD:
983 name = "WIS Matrix Reloaded or compatible";
984 board = &board_matrix_reload;
985 break;
986 case GO7007_BOARDID_MATRIX_REV:
987 name = "WIS Matrix Revolution or compatible";
988 board = &board_matrix_revolution;
989 break;
990 case GO7007_BOARDID_STAR_TREK:
991 name = "WIS Star Trek or compatible";
992 board = &board_star_trek;
993 break;
994 case GO7007_BOARDID_XMEN:
995 name = "WIS XMen or compatible";
996 board = &board_xmen;
997 break;
998 case GO7007_BOARDID_XMEN_II:
999 name = "WIS XMen II or compatible";
1000 board = &board_xmen;
1001 break;
1002 case GO7007_BOARDID_XMEN_III:
1003 name = "WIS XMen III or compatible";
1004 board = &board_xmen;
1005 break;
1006 case GO7007_BOARDID_PX_M402U:
1007 name = "Plextor PX-M402U";
1008 board = &board_matrix_ii;
1009 break;
1010 case GO7007_BOARDID_PX_TV402U_ANY:
1011 name = "Plextor PX-TV402U (unknown tuner)";
1012 board = &board_px_tv402u;
1013 break;
1014 case GO7007_BOARDID_LIFEVIEW_LR192:
1015 printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
1016 "is not supported. Sorry!\n");
1017 return 0;
1018 name = "Lifeview TV Walker Ultra";
1019 board = &board_lifeview_lr192;
1020 break;
b11869db
PE		 1021 case GO7007_BOARDID_SENSORAY_2250:
1022 printk(KERN_INFO "Sensoray 2250 found\n");
f4a7d6e4 1023 name = "Sensoray 2250/2251";
b11869db
PE		 1024 board = &board_sensoray_2250;
1025 break;
866b8695
GKH		 1026 default:
1027 printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
1028 (unsigned int)id->driver_info);
1029 return 0;
1030 }
1031
9efb0525 1032 usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
866b8695
GKH		 1033 if (usb == NULL)
1034 return -ENOMEM;
866b8695
GKH		 1035
1036 /* Allocate the URB and buffer for receiving incoming interrupts */
1037 usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1038 if (usb->intr_urb == NULL)
1039 goto allocfail;
1040 usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1041 if (usb->intr_urb->transfer_buffer == NULL)
1042 goto allocfail;
1043
1044 go = go7007_alloc(&board->main_info, &intf->dev);
1045 if (go == NULL)
1046 goto allocfail;
1047 usb->board = board;
1048 usb->usbdev = usbdev;
1049 go->board_id = id->driver_info;
1050 strncpy(go->name, name, sizeof(go->name));
1051 if (board->flags & GO7007_USB_EZUSB)
1052 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1053 else
1054 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1055 go->hpi_context = usb;
1056 usb_fill_int_urb(usb->intr_urb, usb->usbdev,
1057 usb_rcvintpipe(usb->usbdev, 4),
1058 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1059 go7007_usb_readinterrupt_complete, go, 8);
1060 usb_set_intfdata(intf, go);
1061
1062 /* Boot the GO7007 */
1063 if (go7007_boot_encoder(go, go->board_info->flags &
1064 GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1065 goto initfail;
1066
1067 /* Register the EZ-USB I2C adapter, if we're using it */
1068 if (board->flags & GO7007_USB_EZUSB_I2C) {
1069 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1070 sizeof(go7007_usb_adap_templ));
fd9a40da 1071 mutex_init(&usb->i2c_lock);
866b8695
GKH		 1072 go->i2c_adapter.dev.parent = go->dev;
1073 i2c_set_adapdata(&go->i2c_adapter, go);
1074 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1075 printk(KERN_ERR
1076 "go7007-usb: error: i2c_add_adapter failed\n");
1077 goto initfail;
1078 }
1079 go->i2c_adapter_online = 1;
1080 }
1081
1082 /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1083 * IDs for their own incompatible designs. We can detect XMen boards
1084 * by probing the sensor, but there is no way to probe the sensors on
1085 * the Pelco and Adlink designs so we default to the Adlink. If it
1086 * is actually a Pelco, the user must set the assume_endura module
1087 * parameter. */
1088 if ((go->board_id == GO7007_BOARDID_XMEN ||
1089 go->board_id == GO7007_BOARDID_XMEN_III) &&
1090 go->i2c_adapter_online) {
1091 union i2c_smbus_data data;
1092
1093 /* Check to see if register 0x0A is 0x76 */
1094 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1095 I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1096 if (data.byte != 0x76) {
1097 if (assume_endura) {
1098 go->board_id = GO7007_BOARDID_ENDURA;
1099 usb->board = board = &board_endura;
1100 go->board_info = &board->main_info;
1101 strncpy(go->name, "Pelco Endura",
f4a7d6e4 1102 sizeof(go->name));
866b8695
GKH		 1103 } else {
1104 u16 channel;
1105
1106 /* set GPIO5 to be an output, currently low */
1107 go7007_write_addr(go, 0x3c82, 0x0000);
1108 go7007_write_addr(go, 0x3c80, 0x00df);
1109 /* read channel number from GPIO[1:0] */
1110 go7007_read_addr(go, 0x3c81, &channel);
1111 channel &= 0x3;
1112 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1113 usb->board = board = &board_adlink_mpg24;
1114 go->board_info = &board->main_info;
1115 go->channel_number = channel;
1116 snprintf(go->name, sizeof(go->name),
1117 "Adlink PCI-MPG24, channel #%d",
1118 channel);
1119 }
1120 }
1121 }
1122
1123 /* Probe the tuner model on the TV402U */
1124 if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) {
1125 u8 data[3];
1126
1127 /* Board strapping indicates tuner model */
1128 if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) {
1129 printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
1130 goto initfail;
1131 }
1132 switch (data[0] >> 6) {
1133 case 1:
1134 go->board_id = GO7007_BOARDID_PX_TV402U_EU;
1135 go->tuner_type = TUNER_SONY_BTF_PG472Z;
1136 strncpy(go->name, "Plextor PX-TV402U-EU",
1137 sizeof(go->name));
1138 break;
1139 case 2:
1140 go->board_id = GO7007_BOARDID_PX_TV402U_JP;
1141 go->tuner_type = TUNER_SONY_BTF_PK467Z;
1142 strncpy(go->name, "Plextor PX-TV402U-JP",
1143 sizeof(go->name));
1144 break;
1145 case 3:
1146 go->board_id = GO7007_BOARDID_PX_TV402U_NA;
1147 go->tuner_type = TUNER_SONY_BTF_PB463Z;
1148 strncpy(go->name, "Plextor PX-TV402U-NA",
1149 sizeof(go->name));
1150 break;
1151 default:
1152 printk(KERN_DEBUG "go7007-usb: unable to detect "
1153 "tuner type!\n");
1154 break;
1155 }
1156 /* Configure tuner mode selection inputs connected
1157 * to the EZ-USB GPIO output pins */
1158 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1159 NULL, 0, 0) < 0) {
f4a7d6e4 1160 printk(KERN_ERR "go7007-usb: GPIO write failed!\n");
866b8695
GKH		 1161 goto initfail;
1162 }
1163 }
1164
1165 /* Print a nasty message if the user attempts to use a USB2.0 device in
1166 * a USB1.1 port. There will be silent corruption of the stream. */
1167 if ((board->flags & GO7007_USB_EZUSB) &&
1168 usbdev->speed != USB_SPEED_HIGH)
1169 printk(KERN_ERR "go7007-usb: *** WARNING *** This device "
1170 "must be connected to a USB 2.0 port! "
1171 "Attempting to capture video through a USB 1.1 "
1172 "port will result in stream corruption, even "
1173 "at low bitrates!\n");
1174
1175 /* Do any final GO7007 initialization, then register the
1176 * V4L2 and ALSA interfaces */
1177 if (go7007_register_encoder(go) < 0)
1178 goto initfail;
1179
1180 /* Allocate the URBs and buffers for receiving the video stream */
1181 if (board->flags & GO7007_USB_EZUSB) {
1182 v_urb_len = 1024;
1183 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1184 } else {
1185 v_urb_len = 512;
1186 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1187 }
1188 for (i = 0; i < 8; ++i) {
1189 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1190 if (usb->video_urbs[i] == NULL)
1191 goto initfail;
1192 usb->video_urbs[i]->transfer_buffer =
1193 kmalloc(v_urb_len, GFP_KERNEL);
1194 if (usb->video_urbs[i]->transfer_buffer == NULL)
1195 goto initfail;
1196 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1197 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1198 go7007_usb_read_video_pipe_complete, go);
1199 }
1200
1201 /* Allocate the URBs and buffers for receiving the audio stream */
1202 if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled)
1203 for (i = 0; i < 8; ++i) {
1204 usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1205 if (usb->audio_urbs[i] == NULL)
1206 goto initfail;
1207 usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1208 GFP_KERNEL);
1209 if (usb->audio_urbs[i]->transfer_buffer == NULL)
1210 goto initfail;
1211 usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1212 usb_rcvbulkpipe(usb->usbdev, 8),
1213 usb->audio_urbs[i]->transfer_buffer, 4096,
1214 go7007_usb_read_audio_pipe_complete, go);
1215 }
1216
1217
1218 go->status = STATUS_ONLINE;
1219 return 0;
1220
1221initfail:
1222 go->status = STATUS_SHUTDOWN;
1223 return 0;
1224
1225allocfail:
1226 if (usb->intr_urb) {
1227 kfree(usb->intr_urb->transfer_buffer);
1228 usb_free_urb(usb->intr_urb);
1229 }
1230 kfree(usb);
1231 return -ENOMEM;
1232}
1233
1234static void go7007_usb_disconnect(struct usb_interface *intf)
1235{
1236 struct go7007 *go = usb_get_intfdata(intf);
1237 struct go7007_usb *usb = go->hpi_context;
9efb0525 1238 struct urb *vurb, *aurb;
866b8695
GKH		 1239 int i;
1240
1241 go->status = STATUS_SHUTDOWN;
1242 usb_kill_urb(usb->intr_urb);
1243
1244 /* Free USB-related structs */
1245 for (i = 0; i < 8; ++i) {
9efb0525
ON		 1246 vurb = usb->video_urbs[i];
1247 if (vurb) {
1248 usb_kill_urb(vurb);
1249 if (vurb->transfer_buffer)
1250 kfree(vurb->transfer_buffer);
1251 usb_free_urb(vurb);
866b8695 1252 }
9efb0525
ON		 1253 aurb = usb->audio_urbs[i];
1254 if (aurb) {
1255 usb_kill_urb(aurb);
1256 if (aurb->transfer_buffer)
1257 kfree(aurb->transfer_buffer);
1258 usb_free_urb(aurb);
866b8695
GKH		 1259 }
1260 }
1261 kfree(usb->intr_urb->transfer_buffer);
1262 usb_free_urb(usb->intr_urb);
1263
1264 kfree(go->hpi_context);
1265
1266 go7007_remove(go);
1267}
1268
1269static struct usb_driver go7007_usb_driver = {
1270 .name = "go7007",
1271 .probe = go7007_usb_probe,
1272 .disconnect = go7007_usb_disconnect,
1273 .id_table = go7007_usb_id_table,
1274};
1275
1276static int __init go7007_usb_init(void)
1277{
1278 return usb_register(&go7007_usb_driver);
1279}
1280
1281static void __exit go7007_usb_cleanup(void)
1282{
1283 usb_deregister(&go7007_usb_driver);
1284}
1285
1286module_init(go7007_usb_init);
1287module_exit(go7007_usb_cleanup);
1288
1289MODULE_LICENSE("GPL v2");
Linux kernel - Deliverables
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