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[media] tuner: add Sony BTF tuners
[deliverable/linux.git] / drivers / staging / media / 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>
e4d2a616 30#include <media/tuner.h>
866b8695
GKH		 31
32#include "go7007-priv.h"
33#include "wis-i2c.h"
34
35static unsigned int assume_endura;
36module_param(assume_endura, int, 0644);
f4a7d6e4
PE		 37MODULE_PARM_DESC(assume_endura, "when probing fails, "
38 "hardware is a Pelco Endura");
866b8695
GKH		 39
40/* #define GO7007_USB_DEBUG */
41/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */
42
43#define HPI_STATUS_ADDR 0xFFF4
44#define INT_PARAM_ADDR 0xFFF6
45#define INT_INDEX_ADDR 0xFFF8
46
47/*
48 * Pipes on EZ-USB interface:
f4a7d6e4
PE		 49 * 0 snd - Control
50 * 0 rcv - Control
51 * 2 snd - Download firmware (control)
52 * 4 rcv - Read Interrupt (interrupt)
53 * 6 rcv - Read Video (bulk)
54 * 8 rcv - Read Audio (bulk)
866b8695
GKH		 55 */
56
57#define GO7007_USB_EZUSB (1<<0)
58#define GO7007_USB_EZUSB_I2C (1<<1)
59
60struct go7007_usb_board {
61 unsigned int flags;
62 struct go7007_board_info main_info;
63};
64
65struct go7007_usb {
66 struct go7007_usb_board *board;
fd9a40da 67 struct mutex i2c_lock;
866b8695
GKH		 68 struct usb_device *usbdev;
69 struct urb *video_urbs[8];
70 struct urb *audio_urbs[8];
71 struct urb *intr_urb;
72};
73
74/*********************** Product specification data ***********************/
75
76static struct go7007_usb_board board_matrix_ii = {
77 .flags = GO7007_USB_EZUSB,
78 .main_info = {
79 .firmware = "go7007tv.bin",
80 .flags = GO7007_BOARD_HAS_AUDIO |
81 GO7007_BOARD_USE_ONBOARD_I2C,
82 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
83 GO7007_AUDIO_WORD_16,
84 .audio_rate = 48000,
85 .audio_bclk_div = 8,
86 .audio_main_div = 2,
87 .hpi_buffer_cap = 7,
88 .sensor_flags = GO7007_SENSOR_656 |
89 GO7007_SENSOR_VALID_ENABLE |
90 GO7007_SENSOR_TV |
91 GO7007_SENSOR_VBI |
92 GO7007_SENSOR_SCALING,
93 .num_i2c_devs = 1,
94 .i2c_devs = {
95 {
7400516a 96 .type = "wis_saa7115",
866b8695
GKH		 97 .id = I2C_DRIVERID_WIS_SAA7115,
98 .addr = 0x20,
99 },
100 },
101 .num_inputs = 2,
f4a7d6e4 102 .inputs = {
866b8695
GKH		 103 {
104 .video_input = 0,
105 .name = "Composite",
106 },
107 {
108 .video_input = 9,
109 .name = "S-Video",
110 },
111 },
112 },
113};
114
115static struct go7007_usb_board board_matrix_reload = {
116 .flags = GO7007_USB_EZUSB,
117 .main_info = {
118 .firmware = "go7007tv.bin",
119 .flags = GO7007_BOARD_HAS_AUDIO |
120 GO7007_BOARD_USE_ONBOARD_I2C,
121 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
122 GO7007_AUDIO_I2S_MASTER |
123 GO7007_AUDIO_WORD_16,
124 .audio_rate = 48000,
125 .audio_bclk_div = 8,
126 .audio_main_div = 2,
127 .hpi_buffer_cap = 7,
128 .sensor_flags = GO7007_SENSOR_656 |
129 GO7007_SENSOR_TV,
130 .num_i2c_devs = 1,
131 .i2c_devs = {
132 {
7400516a 133 .type = "wis_saa7113",
866b8695
GKH		 134 .id = I2C_DRIVERID_WIS_SAA7113,
135 .addr = 0x25,
136 },
137 },
138 .num_inputs = 2,
f4a7d6e4 139 .inputs = {
866b8695
GKH		 140 {
141 .video_input = 0,
142 .name = "Composite",
143 },
144 {
145 .video_input = 9,
146 .name = "S-Video",
147 },
148 },
149 },
150};
151
152static struct go7007_usb_board board_star_trek = {
153 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
154 .main_info = {
155 .firmware = "go7007tv.bin",
156 .flags = GO7007_BOARD_HAS_AUDIO, /* |
157 GO7007_BOARD_HAS_TUNER, */
158 .sensor_flags = GO7007_SENSOR_656 |
159 GO7007_SENSOR_VALID_ENABLE |
160 GO7007_SENSOR_TV |
161 GO7007_SENSOR_VBI |
162 GO7007_SENSOR_SCALING,
163 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
164 GO7007_AUDIO_WORD_16,
165 .audio_bclk_div = 8,
166 .audio_main_div = 2,
167 .hpi_buffer_cap = 7,
168 .num_i2c_devs = 1,
169 .i2c_devs = {
170 {
7400516a 171 .type = "wis_saa7115",
866b8695
GKH		 172 .id = I2C_DRIVERID_WIS_SAA7115,
173 .addr = 0x20,
174 },
175 },
176 .num_inputs = 2,
f4a7d6e4 177 .inputs = {
866b8695
GKH		 178 {
179 .video_input = 1,
180 /* .audio_input = AUDIO_EXTERN, */
181 .name = "Composite",
182 },
183 {
184 .video_input = 8,
185 /* .audio_input = AUDIO_EXTERN, */
186 .name = "S-Video",
187 },
188 /* {
189 * .video_input = 3,
190 * .audio_input = AUDIO_TUNER,
191 * .name = "Tuner",
192 * },
193 */
194 },
195 },
196};
197
198static struct go7007_usb_board board_px_tv402u = {
199 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
200 .main_info = {
201 .firmware = "go7007tv.bin",
202 .flags = GO7007_BOARD_HAS_AUDIO |
203 GO7007_BOARD_HAS_TUNER,
204 .sensor_flags = GO7007_SENSOR_656 |
205 GO7007_SENSOR_VALID_ENABLE |
206 GO7007_SENSOR_TV |
207 GO7007_SENSOR_VBI |
208 GO7007_SENSOR_SCALING,
209 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
210 GO7007_AUDIO_WORD_16,
211 .audio_bclk_div = 8,
212 .audio_main_div = 2,
213 .hpi_buffer_cap = 7,
214 .num_i2c_devs = 3,
215 .i2c_devs = {
216 {
7400516a 217 .type = "wis_saa7115",
866b8695
GKH		 218 .id = I2C_DRIVERID_WIS_SAA7115,
219 .addr = 0x20,
220 },
221 {
7400516a 222 .type = "wis_uda1342",
866b8695
GKH		 223 .id = I2C_DRIVERID_WIS_UDA1342,
224 .addr = 0x1a,
225 },
226 {
7400516a 227 .type = "wis_sony_tuner",
866b8695
GKH		 228 .id = I2C_DRIVERID_WIS_SONY_TUNER,
229 .addr = 0x60,
230 },
231 },
232 .num_inputs = 3,
f4a7d6e4 233 .inputs = {
866b8695
GKH		 234 {
235 .video_input = 1,
d73f822c 236 .audio_input = TVAUDIO_INPUT_EXTERN,
866b8695
GKH		 237 .name = "Composite",
238 },
239 {
240 .video_input = 8,
241 .audio_input = TVAUDIO_INPUT_EXTERN,
242 .name = "S-Video",
243 },
244 {
245 .video_input = 3,
246 .audio_input = TVAUDIO_INPUT_TUNER,
247 .name = "Tuner",
248 },
249 },
250 },
251};
252
253static struct go7007_usb_board board_xmen = {
254 .flags = 0,
255 .main_info = {
256 .firmware = "go7007tv.bin",
257 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
258 .hpi_buffer_cap = 0,
259 .sensor_flags = GO7007_SENSOR_VREF_POLAR,
260 .sensor_width = 320,
261 .sensor_height = 240,
262 .sensor_framerate = 30030,
263 .audio_flags = GO7007_AUDIO_ONE_CHANNEL |
264 GO7007_AUDIO_I2S_MODE_3 |
265 GO7007_AUDIO_WORD_14 |
266 GO7007_AUDIO_I2S_MASTER |
267 GO7007_AUDIO_BCLK_POLAR |
268 GO7007_AUDIO_OKI_MODE,
269 .audio_rate = 8000,
270 .audio_bclk_div = 48,
271 .audio_main_div = 1,
272 .num_i2c_devs = 1,
273 .i2c_devs = {
274 {
7400516a 275 .type = "wis_ov7640",
866b8695
GKH		 276 .id = I2C_DRIVERID_WIS_OV7640,
277 .addr = 0x21,
278 },
279 },
280 .num_inputs = 1,
f4a7d6e4 281 .inputs = {
866b8695
GKH		 282 {
283 .name = "Camera",
284 },
285 },
286 },
287};
288
289static struct go7007_usb_board board_matrix_revolution = {
290 .flags = GO7007_USB_EZUSB,
291 .main_info = {
292 .firmware = "go7007tv.bin",
293 .flags = GO7007_BOARD_HAS_AUDIO |
294 GO7007_BOARD_USE_ONBOARD_I2C,
295 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
296 GO7007_AUDIO_I2S_MASTER |
297 GO7007_AUDIO_WORD_16,
298 .audio_rate = 48000,
299 .audio_bclk_div = 8,
300 .audio_main_div = 2,
301 .hpi_buffer_cap = 7,
302 .sensor_flags = GO7007_SENSOR_656 |
303 GO7007_SENSOR_TV |
304 GO7007_SENSOR_VBI,
305 .num_i2c_devs = 1,
306 .i2c_devs = {
307 {
7400516a 308 .type = "wis_tw9903",
866b8695
GKH		 309 .id = I2C_DRIVERID_WIS_TW9903,
310 .addr = 0x44,
311 },
312 },
313 .num_inputs = 2,
f4a7d6e4 314 .inputs = {
866b8695
GKH		 315 {
316 .video_input = 2,
317 .name = "Composite",
318 },
319 {
320 .video_input = 8,
321 .name = "S-Video",
322 },
323 },
324 },
325};
326
327static struct go7007_usb_board board_lifeview_lr192 = {
328 .flags = GO7007_USB_EZUSB,
329 .main_info = {
330 .firmware = "go7007tv.bin",
331 .flags = GO7007_BOARD_HAS_AUDIO |
332 GO7007_BOARD_USE_ONBOARD_I2C,
333 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
334 GO7007_AUDIO_WORD_16,
335 .audio_rate = 48000,
336 .audio_bclk_div = 8,
337 .audio_main_div = 2,
338 .hpi_buffer_cap = 7,
339 .sensor_flags = GO7007_SENSOR_656 |
340 GO7007_SENSOR_VALID_ENABLE |
341 GO7007_SENSOR_TV |
342 GO7007_SENSOR_VBI |
343 GO7007_SENSOR_SCALING,
344 .num_i2c_devs = 0,
345 .num_inputs = 1,
f4a7d6e4 346 .inputs = {
866b8695
GKH		 347 {
348 .video_input = 0,
349 .name = "Composite",
350 },
351 },
352 },
353};
354
355static struct go7007_usb_board board_endura = {
356 .flags = 0,
357 .main_info = {
358 .firmware = "go7007tv.bin",
359 .flags = 0,
360 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
361 GO7007_AUDIO_I2S_MASTER |
362 GO7007_AUDIO_WORD_16,
363 .audio_rate = 8000,
364 .audio_bclk_div = 48,
365 .audio_main_div = 8,
366 .hpi_buffer_cap = 0,
367 .sensor_flags = GO7007_SENSOR_656 |
368 GO7007_SENSOR_TV,
369 .sensor_h_offset = 8,
370 .num_i2c_devs = 0,
371 .num_inputs = 1,
f4a7d6e4 372 .inputs = {
866b8695
GKH		 373 {
374 .name = "Camera",
375 },
376 },
377 },
378};
379
380static struct go7007_usb_board board_adlink_mpg24 = {
381 .flags = 0,
382 .main_info = {
383 .firmware = "go7007tv.bin",
384 .flags = GO7007_BOARD_USE_ONBOARD_I2C,
385 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
386 GO7007_AUDIO_I2S_MASTER |
387 GO7007_AUDIO_WORD_16,
388 .audio_rate = 48000,
389 .audio_bclk_div = 8,
390 .audio_main_div = 2,
391 .hpi_buffer_cap = 0,
392 .sensor_flags = GO7007_SENSOR_656 |
393 GO7007_SENSOR_TV |
394 GO7007_SENSOR_VBI,
395 .num_i2c_devs = 1,
396 .i2c_devs = {
397 {
0e32ee12 398 .type = "wis_tw2804",
866b8695
GKH		 399 .id = I2C_DRIVERID_WIS_TW2804,
400 .addr = 0x00, /* yes, really */
401 },
402 },
403 .num_inputs = 1,
f4a7d6e4 404 .inputs = {
866b8695
GKH		 405 {
406 .name = "Composite",
407 },
408 },
409 },
410};
411
b11869db
PE		 412static struct go7007_usb_board board_sensoray_2250 = {
413 .flags = GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
414 .main_info = {
415 .firmware = "go7007tv.bin",
416 .audio_flags = GO7007_AUDIO_I2S_MODE_1 |
417 GO7007_AUDIO_I2S_MASTER |
418 GO7007_AUDIO_WORD_16,
419 .flags = GO7007_BOARD_HAS_AUDIO,
420 .audio_rate = 48000,
421 .audio_bclk_div = 8,
422 .audio_main_div = 2,
423 .hpi_buffer_cap = 7,
424 .sensor_flags = GO7007_SENSOR_656 |
425 GO7007_SENSOR_TV,
426 .num_i2c_devs = 1,
427 .i2c_devs = {
428 {
832b6a89 429 .type = "s2250",
b11869db 430 .id = I2C_DRIVERID_S2250,
7400516a 431 .addr = 0x43,
b11869db
PE		 432 },
433 },
434 .num_inputs = 2,
f4a7d6e4 435 .inputs = {
b11869db
PE		 436 {
437 .video_input = 0,
438 .name = "Composite",
439 },
440 {
441 .video_input = 1,
442 .name = "S-Video",
443 },
444 },
445 },
446};
447
5d929a71
BH		 448MODULE_FIRMWARE("go7007tv.bin");
449
a457732b 450static const struct usb_device_id go7007_usb_id_table[] = {
866b8695
GKH		 451 {
452 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
453 USB_DEVICE_ID_MATCH_INT_INFO,
454 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
455 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
456 .bcdDevice_lo = 0x200, /* Revision number of XMen */
457 .bcdDevice_hi = 0x200,
458 .bInterfaceClass = 255,
459 .bInterfaceSubClass = 0,
460 .bInterfaceProtocol = 255,
461 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN,
462 },
463 {
464 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
465 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
466 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
467 .bcdDevice_lo = 0x202, /* Revision number of Matrix II */
468 .bcdDevice_hi = 0x202,
469 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
470 },
471 {
472 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
473 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
474 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
475 .bcdDevice_lo = 0x204, /* Revision number of Matrix */
476 .bcdDevice_hi = 0x204, /* Reloaded */
477 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
478 },
479 {
480 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
481 USB_DEVICE_ID_MATCH_INT_INFO,
482 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
483 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
484 .bcdDevice_lo = 0x205, /* Revision number of XMen-II */
485 .bcdDevice_hi = 0x205,
486 .bInterfaceClass = 255,
487 .bInterfaceSubClass = 0,
488 .bInterfaceProtocol = 255,
489 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
490 },
491 {
492 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
493 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
494 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
495 .bcdDevice_lo = 0x208, /* Revision number of Star Trek */
496 .bcdDevice_hi = 0x208,
497 .driver_info = (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
498 },
499 {
500 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
501 USB_DEVICE_ID_MATCH_INT_INFO,
502 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
503 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
504 .bcdDevice_lo = 0x209, /* Revision number of XMen-III */
505 .bcdDevice_hi = 0x209,
506 .bInterfaceClass = 255,
507 .bInterfaceSubClass = 0,
508 .bInterfaceProtocol = 255,
509 .driver_info = (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
510 },
511 {
512 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
513 .idVendor = 0x0eb1, /* Vendor ID of WIS Technologies */
514 .idProduct = 0x7007, /* Product ID of GO7007SB chip */
515 .bcdDevice_lo = 0x210, /* Revision number of Matrix */
516 .bcdDevice_hi = 0x210, /* Revolution */
517 .driver_info = (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
518 },
519 {
520 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
521 .idVendor = 0x093b, /* Vendor ID of Plextor */
522 .idProduct = 0xa102, /* Product ID of M402U */
523 .bcdDevice_lo = 0x1, /* revision number of Blueberry */
524 .bcdDevice_hi = 0x1,
525 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
526 },
527 {
528 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
529 .idVendor = 0x093b, /* Vendor ID of Plextor */
530 .idProduct = 0xa104, /* Product ID of TV402U */
531 .bcdDevice_lo = 0x1,
532 .bcdDevice_hi = 0x1,
533 .driver_info = (kernel_ulong_t)GO7007_BOARDID_PX_TV402U_ANY,
534 },
535 {
536 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
537 .idVendor = 0x10fd, /* Vendor ID of Anubis Electronics */
538 .idProduct = 0xde00, /* Product ID of Lifeview LR192 */
539 .bcdDevice_lo = 0x1,
540 .bcdDevice_hi = 0x1,
541 .driver_info = (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
542 },
b11869db
PE		 543 {
544 .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
545 .idVendor = 0x1943, /* Vendor ID Sensoray */
546 .idProduct = 0x2250, /* Product ID of 2250/2251 */
547 .bcdDevice_lo = 0x1,
548 .bcdDevice_hi = 0x1,
549 .driver_info = (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
550 },
866b8695
GKH		 551 { } /* Terminating entry */
552};
553
554MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);
555
556/********************* Driver for EZ-USB HPI interface *********************/
557
558static int go7007_usb_vendor_request(struct go7007 *go, int request,
559 int value, int index, void *transfer_buffer, int length, int in)
560{
561 struct go7007_usb *usb = go->hpi_context;
562 int timeout = 5000;
563
564 if (in) {
565 return usb_control_msg(usb->usbdev,
566 usb_rcvctrlpipe(usb->usbdev, 0), request,
567 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
568 value, index, transfer_buffer, length, timeout);
569 } else {
570 return usb_control_msg(usb->usbdev,
571 usb_sndctrlpipe(usb->usbdev, 0), request,
572 USB_TYPE_VENDOR | USB_RECIP_DEVICE,
573 value, index, transfer_buffer, length, timeout);
574 }
575}
576
577static int go7007_usb_interface_reset(struct go7007 *go)
578{
579 struct go7007_usb *usb = go->hpi_context;
580 u16 intr_val, intr_data;
581
582 /* Reset encoder */
583 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
584 return -1;
585 msleep(100);
586
587 if (usb->board->flags & GO7007_USB_EZUSB) {
588 /* Reset buffer in EZ-USB */
589#ifdef GO7007_USB_DEBUG
590 printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n");
591#endif
592 if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
593 go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
594 return -1;
595
596 /* Reset encoder again */
597 if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
598 return -1;
599 msleep(100);
600 }
601
602 /* Wait for an interrupt to indicate successful hardware reset */
603 if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
604 (intr_val & ~0x1) != 0x55aa) {
605 printk(KERN_ERR
606 "go7007-usb: unable to reset the USB interface\n");
607 return -1;
608 }
609 return 0;
610}
611
612static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
613 int addr, int data)
614{
615 struct go7007_usb *usb = go->hpi_context;
616 int i, r;
617 u16 status_reg;
618 int timeout = 500;
619
620#ifdef GO7007_USB_DEBUG
621 printk(KERN_DEBUG
622 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
623#endif
624
625 for (i = 0; i < 100; ++i) {
626 r = usb_control_msg(usb->usbdev,
627 usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
628 USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
629 0, HPI_STATUS_ADDR, &status_reg,
630 sizeof(status_reg), timeout);
631 if (r < 0)
632 goto write_int_error;
633 __le16_to_cpus(&status_reg);
634 if (!(status_reg & 0x0010))
635 break;
636 msleep(10);
637 }
638 if (i == 100) {
639 printk(KERN_ERR
640 "go7007-usb: device is hung, status reg = 0x%04x\n",
641 status_reg);
642 return -1;
643 }
644 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
645 USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
646 INT_PARAM_ADDR, NULL, 0, timeout);
647 if (r < 0)
648 goto write_int_error;
649 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
650 0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
651 INT_INDEX_ADDR, NULL, 0, timeout);
652 if (r < 0)
653 goto write_int_error;
654 return 0;
655
656write_int_error:
657 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
658 return r;
659}
660
661static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
662 int addr, int data)
663{
664 struct go7007_usb *usb = go->hpi_context;
665 u8 *tbuf;
666 int r;
667 int timeout = 500;
668
669#ifdef GO7007_USB_DEBUG
670 printk(KERN_DEBUG
671 "go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
672#endif
673
7a6cb0d5 674 tbuf = kzalloc(8, GFP_KERNEL);
866b8695
GKH		 675 if (tbuf == NULL)
676 return -ENOMEM;
866b8695
GKH		 677 tbuf[0] = data & 0xff;
678 tbuf[1] = data >> 8;
679 tbuf[2] = addr & 0xff;
680 tbuf[3] = addr >> 8;
681 r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
682 USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
683 0xf0f0, tbuf, 8, timeout);
684 kfree(tbuf);
685 if (r < 0) {
686 printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
687 return r;
688 }
689 return 0;
690}
691
692static void go7007_usb_readinterrupt_complete(struct urb *urb)
693{
694 struct go7007 *go = (struct go7007 *)urb->context;
695 u16 *regs = (u16 *)urb->transfer_buffer;
9efb0525 696 int status = urb->status;
866b8695 697
9efb0525
ON		 698 if (status) {
699 if (status != -ESHUTDOWN &&
866b8695
GKH		 700 go->status != STATUS_SHUTDOWN) {
701 printk(KERN_ERR
702 "go7007-usb: error in read interrupt: %d\n",
703 urb->status);
704 } else {
705 wake_up(&go->interrupt_waitq);
706 return;
707 }
708 } else if (urb->actual_length != urb->transfer_buffer_length) {
709 printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
710 } else {
711 go->interrupt_available = 1;
712 go->interrupt_data = __le16_to_cpu(regs[0]);
713 go->interrupt_value = __le16_to_cpu(regs[1]);
714#ifdef GO7007_USB_DEBUG
715 printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
716 go->interrupt_value, go->interrupt_data);
717#endif
718 }
719
720 wake_up(&go->interrupt_waitq);
721}
722
723static int go7007_usb_read_interrupt(struct go7007 *go)
724{
725 struct go7007_usb *usb = go->hpi_context;
726 int r;
727
728 r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
729 if (r < 0) {
730 printk(KERN_ERR
731 "go7007-usb: unable to submit interrupt urb: %d\n", r);
732 return r;
733 }
734 return 0;
735}
736
737static void go7007_usb_read_video_pipe_complete(struct urb *urb)
738{
739 struct go7007 *go = (struct go7007 *)urb->context;
fd9a40da 740 int r, status = urb->status;
866b8695
GKH		 741
742 if (!go->streaming) {
743 wake_up_interruptible(&go->frame_waitq);
744 return;
745 }
9efb0525 746 if (status) {
f4a7d6e4
PE		 747 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n",
748 status);
866b8695
GKH		 749 return;
750 }
751 if (urb->actual_length != urb->transfer_buffer_length) {
752 printk(KERN_ERR "go7007-usb: short read in video pipe!\n");
753 return;
754 }
755 go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
756 r = usb_submit_urb(urb, GFP_ATOMIC);
757 if (r < 0)
758 printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r);
759}
760
761static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
762{
763 struct go7007 *go = (struct go7007 *)urb->context;
9efb0525 764 int r, status = urb->status;
866b8695
GKH		 765
766 if (!go->streaming)
767 return;
9efb0525 768 if (status) {
f4a7d6e4
PE		 769 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n",
770 status);
866b8695
GKH		 771 return;
772 }
773 if (urb->actual_length != urb->transfer_buffer_length) {
774 printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
775 return;
776 }
777 if (go->audio_deliver != NULL)
778 go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
779 r = usb_submit_urb(urb, GFP_ATOMIC);
780 if (r < 0)
781 printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
782}
783
784static int go7007_usb_stream_start(struct go7007 *go)
785{
786 struct go7007_usb *usb = go->hpi_context;
787 int i, r;
788
789 for (i = 0; i < 8; ++i) {
790 r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
791 if (r < 0) {
792 printk(KERN_ERR "go7007-usb: error submitting video "
793 "urb %d: %d\n", i, r);
794 goto video_submit_failed;
795 }
796 }
797 if (!go->audio_enabled)
798 return 0;
799
800 for (i = 0; i < 8; ++i) {
801 r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
802 if (r < 0) {
803 printk(KERN_ERR "go7007-usb: error submitting audio "
804 "urb %d: %d\n", i, r);
805 goto audio_submit_failed;
806 }
807 }
808 return 0;
809
810audio_submit_failed:
9efb0525 811 for (i = 0; i < 7; ++i)
866b8695
GKH		 812 usb_kill_urb(usb->audio_urbs[i]);
813video_submit_failed:
814 for (i = 0; i < 8; ++i)
815 usb_kill_urb(usb->video_urbs[i]);
816 return -1;
817}
818
819static int go7007_usb_stream_stop(struct go7007 *go)
820{
821 struct go7007_usb *usb = go->hpi_context;
822 int i;
823
824 if (go->status == STATUS_SHUTDOWN)
825 return 0;
826 for (i = 0; i < 8; ++i)
827 usb_kill_urb(usb->video_urbs[i]);
828 if (go->audio_enabled)
829 for (i = 0; i < 8; ++i)
830 usb_kill_urb(usb->audio_urbs[i]);
831 return 0;
832}
833
834static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
835{
836 struct go7007_usb *usb = go->hpi_context;
837 int transferred, pipe;
838 int timeout = 500;
839
840#ifdef GO7007_USB_DEBUG
841 printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
842#endif
843
844 if (usb->board->flags & GO7007_USB_EZUSB)
845 pipe = usb_sndbulkpipe(usb->usbdev, 2);
846 else
847 pipe = usb_sndbulkpipe(usb->usbdev, 3);
848
849 return usb_bulk_msg(usb->usbdev, pipe, data, len,
850 &transferred, timeout);
851}
852
853static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
854 .interface_reset = go7007_usb_interface_reset,
855 .write_interrupt = go7007_usb_ezusb_write_interrupt,
856 .read_interrupt = go7007_usb_read_interrupt,
857 .stream_start = go7007_usb_stream_start,
858 .stream_stop = go7007_usb_stream_stop,
859 .send_firmware = go7007_usb_send_firmware,
860};
861
862static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
863 .interface_reset = go7007_usb_interface_reset,
864 .write_interrupt = go7007_usb_onboard_write_interrupt,
865 .read_interrupt = go7007_usb_read_interrupt,
866 .stream_start = go7007_usb_stream_start,
867 .stream_stop = go7007_usb_stream_stop,
868 .send_firmware = go7007_usb_send_firmware,
869};
870
871/********************* Driver for EZ-USB I2C adapter *********************/
872
873static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
874 struct i2c_msg msgs[], int num)
875{
876 struct go7007 *go = i2c_get_adapdata(adapter);
877 struct go7007_usb *usb = go->hpi_context;
878 u8 buf[16];
879 int buf_len, i;
ffb97493 880 int ret = -EIO;
866b8695
GKH		 881
882 if (go->status == STATUS_SHUTDOWN)
ffb97493 883 return -ENODEV;
866b8695 884
fd9a40da 885 mutex_lock(&usb->i2c_lock);
866b8695
GKH		 886
887 for (i = 0; i < num; ++i) {
888 /* The hardware command is "write some bytes then read some
889 * bytes", so we try to coalesce a write followed by a read
890 * into a single USB transaction */
891 if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
892 !(msgs[i].flags & I2C_M_RD) &&
893 (msgs[i + 1].flags & I2C_M_RD)) {
894#ifdef GO7007_I2C_DEBUG
895 printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
896 "bytes on %02x\n", msgs[i].len,
897 msgs[i + 1].len, msgs[i].addr);
898#endif
899 buf[0] = 0x01;
900 buf[1] = msgs[i].len + 1;
901 buf[2] = msgs[i].addr << 1;
902 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
903 buf_len = msgs[i].len + 3;
904 buf[buf_len++] = msgs[++i].len;
905 } else if (msgs[i].flags & I2C_M_RD) {
906#ifdef GO7007_I2C_DEBUG
907 printk(KERN_DEBUG "go7007-usb: i2c read %d "
908 "bytes on %02x\n", msgs[i].len,
909 msgs[i].addr);
910#endif
911 buf[0] = 0x01;
912 buf[1] = 1;
913 buf[2] = msgs[i].addr << 1;
914 buf[3] = msgs[i].len;
915 buf_len = 4;
916 } else {
917#ifdef GO7007_I2C_DEBUG
918 printk(KERN_DEBUG "go7007-usb: i2c write %d "
919 "bytes on %02x\n", msgs[i].len,
920 msgs[i].addr);
921#endif
922 buf[0] = 0x00;
923 buf[1] = msgs[i].len + 1;
924 buf[2] = msgs[i].addr << 1;
925 memcpy(&buf[3], msgs[i].buf, msgs[i].len);
926 buf_len = msgs[i].len + 3;
927 buf[buf_len++] = 0;
928 }
929 if (go7007_usb_vendor_request(go, 0x24, 0, 0,
930 buf, buf_len, 0) < 0)
931 goto i2c_done;
932 if (msgs[i].flags & I2C_M_RD) {
933 memset(buf, 0, sizeof(buf));
934 if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
935 msgs[i].len + 1, 1) < 0)
936 goto i2c_done;
937 memcpy(msgs[i].buf, buf + 1, msgs[i].len);
938 }
939 }
ffb97493 940 ret = num;
866b8695
GKH		 941
942i2c_done:
fd9a40da 943 mutex_unlock(&usb->i2c_lock);
866b8695
GKH		 944 return ret;
945}
946
947static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
948{
949 /* No errors are reported by the hardware, so we don't bother
950 * supporting quick writes to avoid confusing probing */
951 return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
952}
953
954static struct i2c_algorithm go7007_usb_algo = {
955 .master_xfer = go7007_usb_i2c_master_xfer,
956 .functionality = go7007_usb_functionality,
957};
958
959static struct i2c_adapter go7007_usb_adap_templ = {
960 .owner = THIS_MODULE,
866b8695 961 .name = "WIS GO7007SB EZ-USB",
866b8695
GKH		 962 .algo = &go7007_usb_algo,
963};
964
965/********************* USB add/remove functions *********************/
966
967static int go7007_usb_probe(struct usb_interface *intf,
968 const struct usb_device_id *id)
969{
970 struct go7007 *go;
971 struct go7007_usb *usb;
972 struct go7007_usb_board *board;
973 struct usb_device *usbdev = interface_to_usbdev(intf);
974 char *name;
975 int video_pipe, i, v_urb_len;
976
977 printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");
978
979 switch (id->driver_info) {
980 case GO7007_BOARDID_MATRIX_II:
981 name = "WIS Matrix II or compatible";
982 board = &board_matrix_ii;
983 break;
984 case GO7007_BOARDID_MATRIX_RELOAD:
985 name = "WIS Matrix Reloaded or compatible";
986 board = &board_matrix_reload;
987 break;
988 case GO7007_BOARDID_MATRIX_REV:
989 name = "WIS Matrix Revolution or compatible";
990 board = &board_matrix_revolution;
991 break;
992 case GO7007_BOARDID_STAR_TREK:
993 name = "WIS Star Trek or compatible";
994 board = &board_star_trek;
995 break;
996 case GO7007_BOARDID_XMEN:
997 name = "WIS XMen or compatible";
998 board = &board_xmen;
999 break;
1000 case GO7007_BOARDID_XMEN_II:
1001 name = "WIS XMen II or compatible";
1002 board = &board_xmen;
1003 break;
1004 case GO7007_BOARDID_XMEN_III:
1005 name = "WIS XMen III or compatible";
1006 board = &board_xmen;
1007 break;
1008 case GO7007_BOARDID_PX_M402U:
1009 name = "Plextor PX-M402U";
1010 board = &board_matrix_ii;
1011 break;
1012 case GO7007_BOARDID_PX_TV402U_ANY:
1013 name = "Plextor PX-TV402U (unknown tuner)";
1014 board = &board_px_tv402u;
1015 break;
1016 case GO7007_BOARDID_LIFEVIEW_LR192:
1017 printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
1018 "is not supported. Sorry!\n");
1019 return 0;
1020 name = "Lifeview TV Walker Ultra";
1021 board = &board_lifeview_lr192;
1022 break;
b11869db
PE		 1023 case GO7007_BOARDID_SENSORAY_2250:
1024 printk(KERN_INFO "Sensoray 2250 found\n");
f4a7d6e4 1025 name = "Sensoray 2250/2251";
b11869db
PE		 1026 board = &board_sensoray_2250;
1027 break;
866b8695
GKH		 1028 default:
1029 printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
1030 (unsigned int)id->driver_info);
1031 return 0;
1032 }
1033
9efb0525 1034 usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
866b8695
GKH		 1035 if (usb == NULL)
1036 return -ENOMEM;
866b8695
GKH		 1037
1038 /* Allocate the URB and buffer for receiving incoming interrupts */
1039 usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
1040 if (usb->intr_urb == NULL)
1041 goto allocfail;
1042 usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
1043 if (usb->intr_urb->transfer_buffer == NULL)
1044 goto allocfail;
1045
1046 go = go7007_alloc(&board->main_info, &intf->dev);
1047 if (go == NULL)
1048 goto allocfail;
1049 usb->board = board;
1050 usb->usbdev = usbdev;
1051 go->board_id = id->driver_info;
1052 strncpy(go->name, name, sizeof(go->name));
1053 if (board->flags & GO7007_USB_EZUSB)
1054 go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
1055 else
1056 go->hpi_ops = &go7007_usb_onboard_hpi_ops;
1057 go->hpi_context = usb;
7e5219d1
P		 1058 if (go->board_id == GO7007_BOARDID_SENSORAY_2250)
1059 usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
1060 usb_rcvbulkpipe(usb->usbdev, 4),
1061 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1062 go7007_usb_readinterrupt_complete, go);
1063 else
1064 usb_fill_int_urb(usb->intr_urb, usb->usbdev,
866b8695
GKH		 1065 usb_rcvintpipe(usb->usbdev, 4),
1066 usb->intr_urb->transfer_buffer, 2*sizeof(u16),
1067 go7007_usb_readinterrupt_complete, go, 8);
0b398f4f 1068 usb_set_intfdata(intf, &go->v4l2_dev);
866b8695
GKH		 1069
1070 /* Boot the GO7007 */
1071 if (go7007_boot_encoder(go, go->board_info->flags &
1072 GO7007_BOARD_USE_ONBOARD_I2C) < 0)
1073 goto initfail;
1074
1075 /* Register the EZ-USB I2C adapter, if we're using it */
1076 if (board->flags & GO7007_USB_EZUSB_I2C) {
1077 memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
1078 sizeof(go7007_usb_adap_templ));
fd9a40da 1079 mutex_init(&usb->i2c_lock);
866b8695
GKH		 1080 go->i2c_adapter.dev.parent = go->dev;
1081 i2c_set_adapdata(&go->i2c_adapter, go);
1082 if (i2c_add_adapter(&go->i2c_adapter) < 0) {
1083 printk(KERN_ERR
1084 "go7007-usb: error: i2c_add_adapter failed\n");
1085 goto initfail;
1086 }
1087 go->i2c_adapter_online = 1;
1088 }
1089
1090 /* Pelco and Adlink reused the XMen and XMen-III vendor and product
1091 * IDs for their own incompatible designs. We can detect XMen boards
1092 * by probing the sensor, but there is no way to probe the sensors on
1093 * the Pelco and Adlink designs so we default to the Adlink. If it
1094 * is actually a Pelco, the user must set the assume_endura module
1095 * parameter. */
1096 if ((go->board_id == GO7007_BOARDID_XMEN ||
1097 go->board_id == GO7007_BOARDID_XMEN_III) &&
1098 go->i2c_adapter_online) {
1099 union i2c_smbus_data data;
1100
1101 /* Check to see if register 0x0A is 0x76 */
1102 i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
1103 I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
1104 if (data.byte != 0x76) {
1105 if (assume_endura) {
1106 go->board_id = GO7007_BOARDID_ENDURA;
1107 usb->board = board = &board_endura;
1108 go->board_info = &board->main_info;
1109 strncpy(go->name, "Pelco Endura",
f4a7d6e4 1110 sizeof(go->name));
866b8695
GKH		 1111 } else {
1112 u16 channel;
1113
866b8695
GKH		 1114 /* read channel number from GPIO[1:0] */
1115 go7007_read_addr(go, 0x3c81, &channel);
1116 channel &= 0x3;
1117 go->board_id = GO7007_BOARDID_ADLINK_MPG24;
1118 usb->board = board = &board_adlink_mpg24;
1119 go->board_info = &board->main_info;
1120 go->channel_number = channel;
1121 snprintf(go->name, sizeof(go->name),
1122 "Adlink PCI-MPG24, channel #%d",
1123 channel);
1124 }
1125 }
1126 }
1127
1128 /* Probe the tuner model on the TV402U */
1129 if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) {
1130 u8 data[3];
1131
1132 /* Board strapping indicates tuner model */
1133 if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) {
1134 printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
1135 goto initfail;
1136 }
1137 switch (data[0] >> 6) {
1138 case 1:
1139 go->board_id = GO7007_BOARDID_PX_TV402U_EU;
1140 go->tuner_type = TUNER_SONY_BTF_PG472Z;
1141 strncpy(go->name, "Plextor PX-TV402U-EU",
1142 sizeof(go->name));
1143 break;
1144 case 2:
1145 go->board_id = GO7007_BOARDID_PX_TV402U_JP;
1146 go->tuner_type = TUNER_SONY_BTF_PK467Z;
1147 strncpy(go->name, "Plextor PX-TV402U-JP",
1148 sizeof(go->name));
1149 break;
1150 case 3:
1151 go->board_id = GO7007_BOARDID_PX_TV402U_NA;
1152 go->tuner_type = TUNER_SONY_BTF_PB463Z;
1153 strncpy(go->name, "Plextor PX-TV402U-NA",
1154 sizeof(go->name));
1155 break;
1156 default:
1157 printk(KERN_DEBUG "go7007-usb: unable to detect "
1158 "tuner type!\n");
1159 break;
1160 }
1161 /* Configure tuner mode selection inputs connected
1162 * to the EZ-USB GPIO output pins */
1163 if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
1164 NULL, 0, 0) < 0) {
f4a7d6e4 1165 printk(KERN_ERR "go7007-usb: GPIO write failed!\n");
866b8695
GKH		 1166 goto initfail;
1167 }
1168 }
1169
1170 /* Print a nasty message if the user attempts to use a USB2.0 device in
1171 * a USB1.1 port. There will be silent corruption of the stream. */
1172 if ((board->flags & GO7007_USB_EZUSB) &&
1173 usbdev->speed != USB_SPEED_HIGH)
1174 printk(KERN_ERR "go7007-usb: *** WARNING *** This device "
1175 "must be connected to a USB 2.0 port! "
1176 "Attempting to capture video through a USB 1.1 "
1177 "port will result in stream corruption, even "
1178 "at low bitrates!\n");
1179
1180 /* Do any final GO7007 initialization, then register the
1181 * V4L2 and ALSA interfaces */
1182 if (go7007_register_encoder(go) < 0)
1183 goto initfail;
1184
1185 /* Allocate the URBs and buffers for receiving the video stream */
1186 if (board->flags & GO7007_USB_EZUSB) {
1187 v_urb_len = 1024;
1188 video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
1189 } else {
1190 v_urb_len = 512;
1191 video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
1192 }
1193 for (i = 0; i < 8; ++i) {
1194 usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1195 if (usb->video_urbs[i] == NULL)
1196 goto initfail;
1197 usb->video_urbs[i]->transfer_buffer =
1198 kmalloc(v_urb_len, GFP_KERNEL);
1199 if (usb->video_urbs[i]->transfer_buffer == NULL)
1200 goto initfail;
1201 usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
1202 usb->video_urbs[i]->transfer_buffer, v_urb_len,
1203 go7007_usb_read_video_pipe_complete, go);
1204 }
1205
1206 /* Allocate the URBs and buffers for receiving the audio stream */
1207 if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled)
1208 for (i = 0; i < 8; ++i) {
1209 usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
1210 if (usb->audio_urbs[i] == NULL)
1211 goto initfail;
1212 usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
1213 GFP_KERNEL);
1214 if (usb->audio_urbs[i]->transfer_buffer == NULL)
1215 goto initfail;
1216 usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
1217 usb_rcvbulkpipe(usb->usbdev, 8),
1218 usb->audio_urbs[i]->transfer_buffer, 4096,
1219 go7007_usb_read_audio_pipe_complete, go);
1220 }
1221
1222
1223 go->status = STATUS_ONLINE;
1224 return 0;
1225
1226initfail:
1227 go->status = STATUS_SHUTDOWN;
1228 return 0;
1229
1230allocfail:
1231 if (usb->intr_urb) {
1232 kfree(usb->intr_urb->transfer_buffer);
1233 usb_free_urb(usb->intr_urb);
1234 }
1235 kfree(usb);
1236 return -ENOMEM;
1237}
1238
1239static void go7007_usb_disconnect(struct usb_interface *intf)
1240{
0b398f4f 1241 struct go7007 *go = to_go7007(usb_get_intfdata(intf));
866b8695 1242 struct go7007_usb *usb = go->hpi_context;
9efb0525 1243 struct urb *vurb, *aurb;
866b8695
GKH		 1244 int i;
1245
866b8695
GKH		 1246 usb_kill_urb(usb->intr_urb);
1247
1248 /* Free USB-related structs */
1249 for (i = 0; i < 8; ++i) {
9efb0525
ON		 1250 vurb = usb->video_urbs[i];
1251 if (vurb) {
1252 usb_kill_urb(vurb);
56d17639 1253 kfree(vurb->transfer_buffer);
9efb0525 1254 usb_free_urb(vurb);
866b8695 1255 }
9efb0525
ON		 1256 aurb = usb->audio_urbs[i];
1257 if (aurb) {
1258 usb_kill_urb(aurb);
56d17639 1259 kfree(aurb->transfer_buffer);
9efb0525 1260 usb_free_urb(aurb);
866b8695
GKH		 1261 }
1262 }
1263 kfree(usb->intr_urb->transfer_buffer);
1264 usb_free_urb(usb->intr_urb);
1265
1266 kfree(go->hpi_context);
1267
1268 go7007_remove(go);
7a295d12 1269 go->status = STATUS_SHUTDOWN;
866b8695
GKH		 1270}
1271
1272static struct usb_driver go7007_usb_driver = {
1273 .name = "go7007",
1274 .probe = go7007_usb_probe,
1275 .disconnect = go7007_usb_disconnect,
1276 .id_table = go7007_usb_id_table,
1277};
1278
bac2c126 1279module_usb_driver(go7007_usb_driver);
da46d7dd 1280MODULE_LICENSE("GPL v2");
Linux kernel - Deliverables
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