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V4L/DVB: gspca - ov534: Cosmetics: fix indentation and hex digits
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / gspca / ov534.c
CommitLineData
fbb4c6d2 1/*
c52af799 2 * ov534-ov772x gspca driver
189d92af 3 *
fbb4c6d2 4 * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
0f7a50b2 5 * Copyright (C) 2008 Jim Paris <jim@jtan.com>
2ce949ec 6 * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr
fbb4c6d2
AO		 7 *
8 * Based on a prototype written by Mark Ferrell <majortrips@gmail.com>
9 * USB protocol reverse engineered by Jim Paris <jim@jtan.com>
10 * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/
11 *
189d92af 12 * PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr
b014f94b
JFM		 13 * PS3 Eye camera, brightness, contrast, hue, AWB control added
14 * by Max Thrun <bear24rw@gmail.com>
189d92af 15 *
fbb4c6d2
AO		 16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
19 * any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 */
30
31#define MODULE_NAME "ov534"
32
33#include "gspca.h"
34
2ce949ec 35#define OV534_REG_ADDRESS 0xf1 /* sensor address */
fbb4c6d2
AO		 36#define OV534_REG_SUBADDR 0xf2
37#define OV534_REG_WRITE 0xf3
38#define OV534_REG_READ 0xf4
39#define OV534_REG_OPERATION 0xf5
40#define OV534_REG_STATUS 0xf6
41
42#define OV534_OP_WRITE_3 0x37
43#define OV534_OP_WRITE_2 0x33
44#define OV534_OP_READ_2 0xf9
45
46#define CTRL_TIMEOUT 500
47
48MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>");
49MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver");
50MODULE_LICENSE("GPL");
51
fbb4c6d2
AO		 52/* specific webcam descriptor */
53struct sd {
54 struct gspca_dev gspca_dev; /* !! must be the first item */
8c252050 55 __u32 last_pts;
84fbdf87
JFM		 56 u16 last_fid;
57 u8 frame_rate;
b014f94b
JFM		 58
59 u8 brightness;
60 u8 contrast;
189d92af
JFM		 61 u8 gain;
62 u8 exposure;
8b7fbda4 63 u8 agc;
b014f94b 64 u8 awb;
f2938822 65 u8 aec;
c22c4a20 66 s8 sharpness;
189d92af
JFM		 67 u8 hflip;
68 u8 vflip;
2ce949ec 69
fbb4c6d2
AO		 70};
71
72/* V4L2 controls supported by the driver */
189d92af
JFM		 73static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
74static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
75static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
76static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
8b7fbda4
MT		 77static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val);
78static int sd_getagc(struct gspca_dev *gspca_dev, __s32 *val);
189d92af
JFM		 79static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val);
80static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val);
81static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val);
82static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val);
83static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val);
84static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val);
b014f94b
JFM		 85static int sd_setawb(struct gspca_dev *gspca_dev, __s32 val);
86static int sd_getawb(struct gspca_dev *gspca_dev, __s32 *val);
f2938822
MT		 87static int sd_setaec(struct gspca_dev *gspca_dev, __s32 val);
88static int sd_getaec(struct gspca_dev *gspca_dev, __s32 *val);
b014f94b
JFM		 89static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
90static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
91static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
92static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
189d92af 93
c52af799 94static const struct ctrl sd_ctrls[] = {
7f9e9e8d
AO		 95 { /* 0 */
96 {
97 .id = V4L2_CID_BRIGHTNESS,
98 .type = V4L2_CTRL_TYPE_INTEGER,
99 .name = "Brightness",
100 .minimum = 0,
101 .maximum = 255,
102 .step = 1,
8b7fbda4 103#define BRIGHTNESS_DEF 0
7f9e9e8d
AO		 104 .default_value = BRIGHTNESS_DEF,
105 },
106 .set = sd_setbrightness,
107 .get = sd_getbrightness,
b014f94b 108 },
7f9e9e8d
AO		 109 { /* 1 */
110 {
111 .id = V4L2_CID_CONTRAST,
112 .type = V4L2_CTRL_TYPE_INTEGER,
113 .name = "Contrast",
114 .minimum = 0,
115 .maximum = 255,
116 .step = 1,
8b7fbda4 117#define CONTRAST_DEF 32
7f9e9e8d
AO		 118 .default_value = CONTRAST_DEF,
119 },
120 .set = sd_setcontrast,
121 .get = sd_getcontrast,
b014f94b 122 },
7f9e9e8d
AO		 123 { /* 2 */
124 {
125 .id = V4L2_CID_GAIN,
126 .type = V4L2_CTRL_TYPE_INTEGER,
127 .name = "Main Gain",
128 .minimum = 0,
129 .maximum = 63,
130 .step = 1,
189d92af 131#define GAIN_DEF 20
7f9e9e8d
AO		 132 .default_value = GAIN_DEF,
133 },
134 .set = sd_setgain,
135 .get = sd_getgain,
189d92af 136 },
7f9e9e8d
AO		 137 { /* 3 */
138 {
139 .id = V4L2_CID_EXPOSURE,
140 .type = V4L2_CTRL_TYPE_INTEGER,
141 .name = "Exposure",
142 .minimum = 0,
143 .maximum = 255,
144 .step = 1,
c52af799 145#define EXPO_DEF 120
7f9e9e8d
AO		 146 .default_value = EXPO_DEF,
147 },
148 .set = sd_setexposure,
149 .get = sd_getexposure,
189d92af 150 },
7f9e9e8d
AO		 151 { /* 4 */
152 {
153 .id = V4L2_CID_AUTOGAIN,
154 .type = V4L2_CTRL_TYPE_BOOLEAN,
155 .name = "Auto Gain",
156 .minimum = 0,
157 .maximum = 1,
158 .step = 1,
8b7fbda4 159#define AGC_DEF 1
7f9e9e8d
AO		 160 .default_value = AGC_DEF,
161 },
162 .set = sd_setagc,
163 .get = sd_getagc,
189d92af 164 },
0c41acf1 165#define AWB_IDX 5
7f9e9e8d
AO		 166 { /* 5 */
167 {
168 .id = V4L2_CID_AUTO_WHITE_BALANCE,
169 .type = V4L2_CTRL_TYPE_BOOLEAN,
170 .name = "Auto White Balance",
171 .minimum = 0,
172 .maximum = 1,
173 .step = 1,
8fef9d96 174#define AWB_DEF 1
7f9e9e8d
AO		 175 .default_value = AWB_DEF,
176 },
177 .set = sd_setawb,
178 .get = sd_getawb,
b014f94b 179 },
7f9e9e8d
AO		 180 { /* 6 */
181 {
182 .id = V4L2_CID_EXPOSURE_AUTO,
183 .type = V4L2_CTRL_TYPE_BOOLEAN,
184 .name = "Auto Exposure",
185 .minimum = 0,
186 .maximum = 1,
187 .step = 1,
f2938822 188#define AEC_DEF 1
7f9e9e8d
AO		 189 .default_value = AEC_DEF,
190 },
191 .set = sd_setaec,
192 .get = sd_getaec,
f2938822 193 },
7f9e9e8d
AO		 194 { /* 7 */
195 {
196 .id = V4L2_CID_SHARPNESS,
197 .type = V4L2_CTRL_TYPE_INTEGER,
198 .name = "Sharpness",
199 .minimum = 0,
200 .maximum = 63,
201 .step = 1,
c52af799 202#define SHARPNESS_DEF 0
7f9e9e8d
AO		 203 .default_value = SHARPNESS_DEF,
204 },
205 .set = sd_setsharpness,
206 .get = sd_getsharpness,
189d92af 207 },
7f9e9e8d
AO		 208 { /* 8 */
209 {
210 .id = V4L2_CID_HFLIP,
211 .type = V4L2_CTRL_TYPE_BOOLEAN,
212 .name = "HFlip",
213 .minimum = 0,
214 .maximum = 1,
215 .step = 1,
189d92af 216#define HFLIP_DEF 0
7f9e9e8d
AO		 217 .default_value = HFLIP_DEF,
218 },
219 .set = sd_sethflip,
220 .get = sd_gethflip,
189d92af 221 },
7f9e9e8d
AO		 222 { /* 9 */
223 {
224 .id = V4L2_CID_VFLIP,
225 .type = V4L2_CTRL_TYPE_BOOLEAN,
226 .name = "VFlip",
227 .minimum = 0,
228 .maximum = 1,
229 .step = 1,
189d92af 230#define VFLIP_DEF 0
7f9e9e8d
AO		 231 .default_value = VFLIP_DEF,
232 },
233 .set = sd_setvflip,
234 .get = sd_getvflip,
189d92af 235 },
189d92af 236};
fbb4c6d2 237
569691a5 238static const struct v4l2_pix_format ov772x_mode[] = {
189d92af
JFM		 239 {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
240 .bytesperline = 320 * 2,
241 .sizeimage = 320 * 240 * 2,
b014f94b 242 .colorspace = V4L2_COLORSPACE_SRGB,
189d92af 243 .priv = 1},
fbb4c6d2
AO		 244 {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
245 .bytesperline = 640 * 2,
246 .sizeimage = 640 * 480 * 2,
191d0e7f
JFM		 247 .colorspace = V4L2_COLORSPACE_SRGB,
248 .priv = 0},
249};
250
29b87f04
AO		 251static const u8 qvga_rates[] = {125, 100, 75, 60, 50, 40, 30};
252static const u8 vga_rates[] = {60, 50, 40, 30, 15};
253
254static const struct framerates ov772x_framerates[] = {
255 { /* 320x240 */
256 .rates = qvga_rates,
257 .nrates = ARRAY_SIZE(qvga_rates),
258 },
259 { /* 640x480 */
260 .rates = vga_rates,
261 .nrates = ARRAY_SIZE(vga_rates),
262 },
263};
264
c52af799 265static const u8 bridge_init[][2] = {
47dfd21f
JP		 266 { 0xc2, 0x0c },
267 { 0x88, 0xf8 },
268 { 0xc3, 0x69 },
269 { 0x89, 0xff },
270 { 0x76, 0x03 },
271 { 0x92, 0x01 },
272 { 0x93, 0x18 },
273 { 0x94, 0x10 },
274 { 0x95, 0x10 },
275 { 0xe2, 0x00 },
276 { 0xe7, 0x3e },
277
47dfd21f
JP		 278 { 0x96, 0x00 },
279
280 { 0x97, 0x20 },
281 { 0x97, 0x20 },
282 { 0x97, 0x20 },
283 { 0x97, 0x0a },
284 { 0x97, 0x3f },
285 { 0x97, 0x4a },
286 { 0x97, 0x20 },
287 { 0x97, 0x15 },
288 { 0x97, 0x0b },
289
290 { 0x8e, 0x40 },
291 { 0x1f, 0x81 },
292 { 0x34, 0x05 },
293 { 0xe3, 0x04 },
294 { 0x88, 0x00 },
295 { 0x89, 0x00 },
296 { 0x76, 0x00 },
297 { 0xe7, 0x2e },
298 { 0x31, 0xf9 },
299 { 0x25, 0x42 },
300 { 0x21, 0xf0 },
301
302 { 0x1c, 0x00 },
303 { 0x1d, 0x40 },
0f7a50b2
JP		 304 { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */
305 { 0x1d, 0x00 }, /* payload size */
189d92af 306
5ea9c4de
JP		 307 { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
308 { 0x1d, 0x58 }, /* frame size */
309 { 0x1d, 0x00 }, /* frame size */
47dfd21f 310
c06eb619
JP		 311 { 0x1c, 0x0a },
312 { 0x1d, 0x08 }, /* turn on UVC header */
313 { 0x1d, 0x0e }, /* .. */
314
47dfd21f
JP		 315 { 0x8d, 0x1c },
316 { 0x8e, 0x80 },
317 { 0xe5, 0x04 },
318
319 { 0xc0, 0x50 },
320 { 0xc1, 0x3c },
321 { 0xc2, 0x0c },
322};
c52af799 323static const u8 sensor_init[][2] = {
47dfd21f
JP		 324 { 0x12, 0x80 },
325 { 0x11, 0x01 },
189d92af
JFM		 326/*fixme: better have a delay?*/
327 { 0x11, 0x01 },
328 { 0x11, 0x01 },
329 { 0x11, 0x01 },
330 { 0x11, 0x01 },
331 { 0x11, 0x01 },
332 { 0x11, 0x01 },
333 { 0x11, 0x01 },
334 { 0x11, 0x01 },
335 { 0x11, 0x01 },
336 { 0x11, 0x01 },
47dfd21f
JP		 337
338 { 0x3d, 0x03 },
339 { 0x17, 0x26 },
340 { 0x18, 0xa0 },
341 { 0x19, 0x07 },
342 { 0x1a, 0xf0 },
343 { 0x32, 0x00 },
344 { 0x29, 0xa0 },
345 { 0x2c, 0xf0 },
346 { 0x65, 0x20 },
347 { 0x11, 0x01 },
348 { 0x42, 0x7f },
b014f94b 349 { 0x63, 0xaa }, /* AWB - was e0 */
47dfd21f
JP		 350 { 0x64, 0xff },
351 { 0x66, 0x00 },
b014f94b 352 { 0x13, 0xf0 }, /* com8 */
47dfd21f
JP		 353 { 0x0d, 0x41 },
354 { 0x0f, 0xc5 },
355 { 0x14, 0x11 },
356
357 { 0x22, 0x7f },
358 { 0x23, 0x03 },
359 { 0x24, 0x40 },
360 { 0x25, 0x30 },
361 { 0x26, 0xa1 },
362 { 0x2a, 0x00 },
363 { 0x2b, 0x00 },
364 { 0x6b, 0xaa },
b014f94b 365 { 0x13, 0xff }, /* AWB */
47dfd21f
JP		 366
367 { 0x90, 0x05 },
368 { 0x91, 0x01 },
369 { 0x92, 0x03 },
370 { 0x93, 0x00 },
371 { 0x94, 0x60 },
372 { 0x95, 0x3c },
373 { 0x96, 0x24 },
374 { 0x97, 0x1e },
375 { 0x98, 0x62 },
376 { 0x99, 0x80 },
377 { 0x9a, 0x1e },
378 { 0x9b, 0x08 },
379 { 0x9c, 0x20 },
380 { 0x9e, 0x81 },
381
382 { 0xa6, 0x04 },
383 { 0x7e, 0x0c },
384 { 0x7f, 0x16 },
385 { 0x80, 0x2a },
386 { 0x81, 0x4e },
387 { 0x82, 0x61 },
388 { 0x83, 0x6f },
389 { 0x84, 0x7b },
390 { 0x85, 0x86 },
391 { 0x86, 0x8e },
392 { 0x87, 0x97 },
393 { 0x88, 0xa4 },
394 { 0x89, 0xaf },
395 { 0x8a, 0xc5 },
396 { 0x8b, 0xd7 },
397 { 0x8c, 0xe8 },
398 { 0x8d, 0x20 },
399
400 { 0x0c, 0x90 },
401
402 { 0x2b, 0x00 },
403 { 0x22, 0x7f },
404 { 0x23, 0x03 },
405 { 0x11, 0x01 },
406 { 0x0c, 0xd0 },
407 { 0x64, 0xff },
408 { 0x0d, 0x41 },
409
410 { 0x14, 0x41 },
411 { 0x0e, 0xcd },
412 { 0xac, 0xbf },
b014f94b 413 { 0x8e, 0x00 }, /* De-noise threshold */
47dfd21f
JP		 414 { 0x0c, 0xd0 }
415};
c52af799 416static const u8 bridge_start_vga[][2] = {
189d92af
JFM		 417 {0x1c, 0x00},
418 {0x1d, 0x40},
419 {0x1d, 0x02},
420 {0x1d, 0x00},
421 {0x1d, 0x02},
422 {0x1d, 0x58},
423 {0x1d, 0x00},
424 {0xc0, 0x50},
425 {0xc1, 0x3c},
426};
c52af799 427static const u8 sensor_start_vga[][2] = {
189d92af
JFM		 428 {0x12, 0x00},
429 {0x17, 0x26},
430 {0x18, 0xa0},
431 {0x19, 0x07},
432 {0x1a, 0xf0},
433 {0x29, 0xa0},
434 {0x2c, 0xf0},
b014f94b 435 {0x65, 0x20},
189d92af 436};
c52af799 437static const u8 bridge_start_qvga[][2] = {
189d92af
JFM		 438 {0x1c, 0x00},
439 {0x1d, 0x40},
440 {0x1d, 0x02},
441 {0x1d, 0x00},
442 {0x1d, 0x01},
443 {0x1d, 0x4b},
444 {0x1d, 0x00},
445 {0xc0, 0x28},
446 {0xc1, 0x1e},
447};
c52af799 448static const u8 sensor_start_qvga[][2] = {
189d92af
JFM		 449 {0x12, 0x40},
450 {0x17, 0x3f},
451 {0x18, 0x50},
452 {0x19, 0x03},
453 {0x1a, 0x78},
454 {0x29, 0x50},
455 {0x2c, 0x78},
b014f94b 456 {0x65, 0x2f},
189d92af 457};
fbb4c6d2 458
2ce949ec
JFM		 459static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
460{
461 struct usb_device *udev = gspca_dev->dev;
462 int ret;
463
464 PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val);
465 gspca_dev->usb_buf[0] = val;
466 ret = usb_control_msg(udev,
467 usb_sndctrlpipe(udev, 0),
468 0x01,
469 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
470 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
471 if (ret < 0)
472 PDEBUG(D_ERR, "write failed");
473}
474
475static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
476{
477 struct usb_device *udev = gspca_dev->dev;
478 int ret;
479
480 ret = usb_control_msg(udev,
481 usb_rcvctrlpipe(udev, 0),
482 0x01,
483 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
484 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
485 PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]);
486 if (ret < 0)
487 PDEBUG(D_ERR, "read failed");
488 return gspca_dev->usb_buf[0];
489}
490
491/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
492 * (direction and output)? */
493static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
494{
495 u8 data;
496
497 PDEBUG(D_CONF, "led status: %d", status);
498
499 data = ov534_reg_read(gspca_dev, 0x21);
500 data |= 0x80;
501 ov534_reg_write(gspca_dev, 0x21, data);
502
503 data = ov534_reg_read(gspca_dev, 0x23);
504 if (status)
505 data |= 0x80;
506 else
507 data &= ~0x80;
508
509 ov534_reg_write(gspca_dev, 0x23, data);
510
511 if (!status) {
512 data = ov534_reg_read(gspca_dev, 0x21);
513 data &= ~0x80;
514 ov534_reg_write(gspca_dev, 0x21, data);
515 }
516}
517
518static int sccb_check_status(struct gspca_dev *gspca_dev)
519{
520 u8 data;
521 int i;
522
523 for (i = 0; i < 5; i++) {
524 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
525
526 switch (data) {
527 case 0x00:
528 return 1;
529 case 0x04:
530 return 0;
531 case 0x03:
532 break;
533 default:
534 PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5",
535 data, i + 1);
536 }
537 }
538 return 0;
539}
540
541static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
542{
543 PDEBUG(D_USBO, "reg: 0x%02x, val: 0x%02x", reg, val);
544 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
545 ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
546 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
547
548 if (!sccb_check_status(gspca_dev))
549 PDEBUG(D_ERR, "sccb_reg_write failed");
550}
551
552static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
553{
554 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
555 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
556 if (!sccb_check_status(gspca_dev))
557 PDEBUG(D_ERR, "sccb_reg_read failed 1");
558
559 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
560 if (!sccb_check_status(gspca_dev))
561 PDEBUG(D_ERR, "sccb_reg_read failed 2");
562
563 return ov534_reg_read(gspca_dev, OV534_REG_READ);
564}
565
566/* output a bridge sequence (reg - val) */
567static void reg_w_array(struct gspca_dev *gspca_dev,
568 const u8 (*data)[2], int len)
569{
570 while (--len >= 0) {
571 ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]);
572 data++;
573 }
574}
575
576/* output a sensor sequence (reg - val) */
577static void sccb_w_array(struct gspca_dev *gspca_dev,
578 const u8 (*data)[2], int len)
579{
580 while (--len >= 0) {
581 if ((*data)[0] != 0xff) {
582 sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]);
583 } else {
584 sccb_reg_read(gspca_dev, (*data)[1]);
585 sccb_reg_write(gspca_dev, 0xff, 0x00);
586 }
587 data++;
588 }
589}
590
69f1fe28
JFM		 591/* ov772x specific controls */
592static void set_frame_rate(struct gspca_dev *gspca_dev)
11d9f25d
JP		 593{
594 struct sd *sd = (struct sd *) gspca_dev;
189d92af
JFM		 595 int i;
596 struct rate_s {
597 u8 fps;
598 u8 r11;
599 u8 r0d;
600 u8 re5;
601 };
602 const struct rate_s *r;
603 static const struct rate_s rate_0[] = { /* 640x480 */
604 {60, 0x01, 0xc1, 0x04},
605 {50, 0x01, 0x41, 0x02},
606 {40, 0x02, 0xc1, 0x04},
607 {30, 0x04, 0x81, 0x02},
608 {15, 0x03, 0x41, 0x04},
609 };
610 static const struct rate_s rate_1[] = { /* 320x240 */
611 {125, 0x02, 0x81, 0x02},
612 {100, 0x02, 0xc1, 0x04},
613 {75, 0x03, 0xc1, 0x04},
614 {60, 0x04, 0xc1, 0x04},
615 {50, 0x02, 0x41, 0x04},
616 {40, 0x03, 0x41, 0x04},
617 {30, 0x04, 0x41, 0x04},
618 };
619
620 if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) {
621 r = rate_0;
622 i = ARRAY_SIZE(rate_0);
623 } else {
624 r = rate_1;
625 i = ARRAY_SIZE(rate_1);
626 }
627 while (--i > 0) {
628 if (sd->frame_rate >= r->fps)
629 break;
630 r++;
631 }
632
633 sccb_reg_write(gspca_dev, 0x11, r->r11);
634 sccb_reg_write(gspca_dev, 0x0d, r->r0d);
635 ov534_reg_write(gspca_dev, 0xe5, r->re5);
636
637 PDEBUG(D_PROBE, "frame_rate: %d", r->fps);
638}
639
c52af799 640static void setbrightness(struct gspca_dev *gspca_dev)
b014f94b
JFM		 641{
642 struct sd *sd = (struct sd *) gspca_dev;
643
7f9e9e8d 644 sccb_reg_write(gspca_dev, 0x9b, sd->brightness);
b014f94b
JFM		 645}
646
c52af799 647static void setcontrast(struct gspca_dev *gspca_dev)
b014f94b
JFM		 648{
649 struct sd *sd = (struct sd *) gspca_dev;
650
7f9e9e8d 651 sccb_reg_write(gspca_dev, 0x9c, sd->contrast);
b014f94b
JFM		 652}
653
189d92af
JFM		 654static void setgain(struct gspca_dev *gspca_dev)
655{
656 struct sd *sd = (struct sd *) gspca_dev;
657 u8 val;
11d9f25d 658
8b7fbda4
MT		 659 if (sd->agc)
660 return;
661
189d92af
JFM		 662 val = sd->gain;
663 switch (val & 0x30) {
664 case 0x00:
665 val &= 0x0f;
11d9f25d 666 break;
189d92af
JFM		 667 case 0x10:
668 val &= 0x0f;
669 val |= 0x30;
11d9f25d 670 break;
189d92af
JFM		 671 case 0x20:
672 val &= 0x0f;
673 val |= 0x70;
11d9f25d 674 break;
189d92af
JFM		 675 default:
676/* case 0x30: */
677 val &= 0x0f;
678 val |= 0xf0;
11d9f25d
JP		 679 break;
680 }
189d92af
JFM		 681 sccb_reg_write(gspca_dev, 0x00, val);
682}
683
c52af799 684static void setexposure(struct gspca_dev *gspca_dev)
189d92af
JFM		 685{
686 struct sd *sd = (struct sd *) gspca_dev;
687 u8 val;
688
18cf8c91
AO		 689 if (sd->aec)
690 return;
691
692 /* 'val' is one byte and represents half of the exposure value we are
693 * going to set into registers, a two bytes value:
694 *
695 * MSB: ((u16) val << 1) >> 8 == val >> 7
696 * LSB: ((u16) val << 1) & 0xff == val << 1
697 */
189d92af
JFM		 698 val = sd->exposure;
699 sccb_reg_write(gspca_dev, 0x08, val >> 7);
700 sccb_reg_write(gspca_dev, 0x10, val << 1);
701}
702
8b7fbda4 703static void setagc(struct gspca_dev *gspca_dev)
189d92af
JFM		 704{
705 struct sd *sd = (struct sd *) gspca_dev;
706
8b7fbda4
MT		 707 if (sd->agc) {
708 sccb_reg_write(gspca_dev, 0x13,
709 sccb_reg_read(gspca_dev, 0x13) | 0x04);
189d92af
JFM		 710 sccb_reg_write(gspca_dev, 0x64,
711 sccb_reg_read(gspca_dev, 0x64) | 0x03);
712 } else {
8b7fbda4
MT		 713 sccb_reg_write(gspca_dev, 0x13,
714 sccb_reg_read(gspca_dev, 0x13) & ~0x04);
189d92af 715 sccb_reg_write(gspca_dev, 0x64,
8b7fbda4
MT		 716 sccb_reg_read(gspca_dev, 0x64) & ~0x03);
717
718 setgain(gspca_dev);
189d92af
JFM		 719 }
720}
721
b014f94b
JFM		 722static void setawb(struct gspca_dev *gspca_dev)
723{
724 struct sd *sd = (struct sd *) gspca_dev;
725
8fef9d96
MT		 726 if (sd->awb) {
727 sccb_reg_write(gspca_dev, 0x13,
728 sccb_reg_read(gspca_dev, 0x13) | 0x02);
729 sccb_reg_write(gspca_dev, 0x63,
730 sccb_reg_read(gspca_dev, 0x63) | 0xc0);
731 } else {
732 sccb_reg_write(gspca_dev, 0x13,
733 sccb_reg_read(gspca_dev, 0x13) & ~0x02);
734 sccb_reg_write(gspca_dev, 0x63,
735 sccb_reg_read(gspca_dev, 0x63) & ~0xc0);
736 }
b014f94b
JFM		 737}
738
f2938822
MT		 739static void setaec(struct gspca_dev *gspca_dev)
740{
741 struct sd *sd = (struct sd *) gspca_dev;
742
743 if (sd->aec)
744 sccb_reg_write(gspca_dev, 0x13,
745 sccb_reg_read(gspca_dev, 0x13) | 0x01);
746 else {
747 sccb_reg_write(gspca_dev, 0x13,
748 sccb_reg_read(gspca_dev, 0x13) & ~0x01);
749 setexposure(gspca_dev);
750 }
751}
752
c52af799 753static void setsharpness(struct gspca_dev *gspca_dev)
189d92af
JFM		 754{
755 struct sd *sd = (struct sd *) gspca_dev;
756 u8 val;
757
758 val = sd->sharpness;
3149cfbf
MT		 759 sccb_reg_write(gspca_dev, 0x91, val); /* Auto de-noise threshold */
760 sccb_reg_write(gspca_dev, 0x8e, val); /* De-noise threshold */
189d92af
JFM		 761}
762
763static void sethflip(struct gspca_dev *gspca_dev)
764{
765 struct sd *sd = (struct sd *) gspca_dev;
766
767 if (sd->hflip == 0)
768 sccb_reg_write(gspca_dev, 0x0c,
769 sccb_reg_read(gspca_dev, 0x0c) | 0x40);
770 else
771 sccb_reg_write(gspca_dev, 0x0c,
eb171073 772 sccb_reg_read(gspca_dev, 0x0c) & ~0x40);
189d92af
JFM		 773}
774
775static void setvflip(struct gspca_dev *gspca_dev)
776{
777 struct sd *sd = (struct sd *) gspca_dev;
778
779 if (sd->vflip == 0)
780 sccb_reg_write(gspca_dev, 0x0c,
781 sccb_reg_read(gspca_dev, 0x0c) | 0x80);
782 else
783 sccb_reg_write(gspca_dev, 0x0c,
eb171073 784 sccb_reg_read(gspca_dev, 0x0c) & ~0x80);
11d9f25d 785}
fbb4c6d2 786
fbb4c6d2
AO		 787/* this function is called at probe time */
788static int sd_config(struct gspca_dev *gspca_dev,
789 const struct usb_device_id *id)
790{
2ce949ec 791 struct sd *sd = (struct sd *) gspca_dev;
fbb4c6d2
AO		 792 struct cam *cam;
793
794 cam = &gspca_dev->cam;
795
c52af799
JFM		 796 cam->cam_mode = ov772x_mode;
797 cam->nmodes = ARRAY_SIZE(ov772x_mode);
29b87f04 798 cam->mode_framerates = ov772x_framerates;
191d0e7f 799
c52af799
JFM		 800 cam->bulk = 1;
801 cam->bulk_size = 16384;
802 cam->bulk_nurbs = 2;
fbb4c6d2 803
189d92af 804 sd->frame_rate = 30;
b014f94b 805
c52af799
JFM		 806 sd->brightness = BRIGHTNESS_DEF;
807 sd->contrast = CONTRAST_DEF;
808 sd->gain = GAIN_DEF;
809 sd->exposure = EXPO_DEF;
8b7fbda4
MT		 810#if AGC_DEF != 0
811 sd->agc = AGC_DEF;
2d19a2c1 812#else
c52af799 813 gspca_dev->ctrl_inac |= (1 << AWB_IDX);
b014f94b 814#endif
8fef9d96 815 sd->awb = AWB_DEF;
f2938822 816 sd->aec = AEC_DEF;
c52af799 817 sd->sharpness = SHARPNESS_DEF;
c52af799 818 sd->hflip = HFLIP_DEF;
c52af799 819 sd->vflip = VFLIP_DEF;
c52af799 820
fbb4c6d2
AO		 821 return 0;
822}
823
824/* this function is called at probe and resume time */
825static int sd_init(struct gspca_dev *gspca_dev)
826{
2ce949ec 827 u16 sensor_id;
2ce949ec
JFM		 828
829 /* reset bridge */
830 ov534_reg_write(gspca_dev, 0xe7, 0x3a);
831 ov534_reg_write(gspca_dev, 0xe0, 0x08);
832 msleep(100);
833
834 /* initialize the sensor address */
c52af799 835 ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, 0x42);
2ce949ec
JFM		 836
837 /* reset sensor */
838 sccb_reg_write(gspca_dev, 0x12, 0x80);
839 msleep(10);
840
841 /* probe the sensor */
842 sccb_reg_read(gspca_dev, 0x0a);
843 sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8;
844 sccb_reg_read(gspca_dev, 0x0b);
845 sensor_id |= sccb_reg_read(gspca_dev, 0x0b);
846 PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
847
848 /* initialize */
c52af799
JFM		 849 reg_w_array(gspca_dev, bridge_init,
850 ARRAY_SIZE(bridge_init));
851 ov534_set_led(gspca_dev, 1);
852 sccb_w_array(gspca_dev, sensor_init,
853 ARRAY_SIZE(sensor_init));
854 ov534_reg_write(gspca_dev, 0xe0, 0x09);
855 ov534_set_led(gspca_dev, 0);
856 set_frame_rate(gspca_dev);
fbb4c6d2
AO		 857
858 return 0;
859}
860
c52af799 861static int sd_start(struct gspca_dev *gspca_dev)
fbb4c6d2 862{
191d0e7f 863 int mode;
fbb4c6d2 864
189d92af
JFM		 865 mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
866 if (mode != 0) { /* 320x240 */
c52af799
JFM		 867 reg_w_array(gspca_dev, bridge_start_qvga,
868 ARRAY_SIZE(bridge_start_qvga));
869 sccb_w_array(gspca_dev, sensor_start_qvga,
870 ARRAY_SIZE(sensor_start_qvga));
189d92af 871 } else { /* 640x480 */
c52af799
JFM		 872 reg_w_array(gspca_dev, bridge_start_vga,
873 ARRAY_SIZE(bridge_start_vga));
874 sccb_w_array(gspca_dev, sensor_start_vga,
875 ARRAY_SIZE(sensor_start_vga));
2ce949ec 876 }
69f1fe28 877 set_frame_rate(gspca_dev);
189d92af 878
8b7fbda4 879 setagc(gspca_dev);
b014f94b 880 setawb(gspca_dev);
f2938822 881 setaec(gspca_dev);
189d92af 882 setgain(gspca_dev);
c52af799
JFM		 883 setexposure(gspca_dev);
884 setbrightness(gspca_dev);
885 setcontrast(gspca_dev);
886 setsharpness(gspca_dev);
189d92af
JFM		 887 setvflip(gspca_dev);
888 sethflip(gspca_dev);
889
890 ov534_set_led(gspca_dev, 1);
891 ov534_reg_write(gspca_dev, 0xe0, 0x00);
fbb4c6d2
AO		 892 return 0;
893}
894
c52af799 895static void sd_stopN(struct gspca_dev *gspca_dev)
189d92af
JFM		 896{
897 ov534_reg_write(gspca_dev, 0xe0, 0x09);
898 ov534_set_led(gspca_dev, 0);
899}
900
fb139224
JP		 901/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
902#define UVC_STREAM_EOH (1 << 7)
903#define UVC_STREAM_ERR (1 << 6)
904#define UVC_STREAM_STI (1 << 5)
905#define UVC_STREAM_RES (1 << 4)
906#define UVC_STREAM_SCR (1 << 3)
907#define UVC_STREAM_PTS (1 << 2)
908#define UVC_STREAM_EOF (1 << 1)
909#define UVC_STREAM_FID (1 << 0)
910
76dd272b
JFM		 911static void sd_pkt_scan(struct gspca_dev *gspca_dev,
912 u8 *data, int len)
fbb4c6d2 913{
8c252050 914 struct sd *sd = (struct sd *) gspca_dev;
fb139224 915 __u32 this_pts;
84fbdf87 916 u16 this_fid;
0f7a50b2 917 int remaining_len = len;
0f7a50b2 918
84fbdf87 919 do {
c52af799 920 len = min(remaining_len, 2048);
fb139224 921
84fbdf87
JFM		 922 /* Payloads are prefixed with a UVC-style header. We
923 consider a frame to start when the FID toggles, or the PTS
924 changes. A frame ends when EOF is set, and we've received
925 the correct number of bytes. */
fb139224 926
84fbdf87
JFM		 927 /* Verify UVC header. Header length is always 12 */
928 if (data[0] != 12 || len < 12) {
929 PDEBUG(D_PACK, "bad header");
930 goto discard;
931 }
fb139224 932
84fbdf87
JFM		 933 /* Check errors */
934 if (data[1] & UVC_STREAM_ERR) {
935 PDEBUG(D_PACK, "payload error");
936 goto discard;
937 }
fb139224 938
84fbdf87
JFM		 939 /* Extract PTS and FID */
940 if (!(data[1] & UVC_STREAM_PTS)) {
941 PDEBUG(D_PACK, "PTS not present");
fb139224
JP		 942 goto discard;
943 }
84fbdf87
JFM		 944 this_pts = (data[5] << 24) | (data[4] << 16)
945 | (data[3] << 8) | data[2];
946 this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0;
fb139224 947
84fbdf87
JFM		 948 /* If PTS or FID has changed, start a new frame. */
949 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
ed47119f 950 if (gspca_dev->last_packet_type == INTER_PACKET)
76dd272b
JFM		 951 gspca_frame_add(gspca_dev, LAST_PACKET,
952 NULL, 0);
84fbdf87
JFM		 953 sd->last_pts = this_pts;
954 sd->last_fid = this_fid;
76dd272b 955 gspca_frame_add(gspca_dev, FIRST_PACKET,
84fbdf87 956 data + 12, len - 12);
84fbdf87 957 /* If this packet is marked as EOF, end the frame */
ed47119f 958 } else if (data[1] & UVC_STREAM_EOF) {
c52af799
JFM		 959 struct gspca_frame *frame;
960
84fbdf87 961 sd->last_pts = 0;
c52af799
JFM		 962 frame = gspca_get_i_frame(gspca_dev);
963 if (frame == NULL)
964 goto discard;
11edebc2 965 if (frame->data_end - frame->data + (len - 12) !=
c52af799 966 gspca_dev->width * gspca_dev->height * 2) {
11edebc2 967 PDEBUG(D_PACK, "wrong sized frame");
c52af799
JFM		 968 goto discard;
969 }
76dd272b
JFM		 970 gspca_frame_add(gspca_dev, LAST_PACKET,
971 data + 12, len - 12);
ed47119f
JFM		 972 } else {
973
974 /* Add the data from this payload */
76dd272b
JFM		 975 gspca_frame_add(gspca_dev, INTER_PACKET,
976 data + 12, len - 12);
3481c198 977 }
fb139224 978
84fbdf87
JFM		 979 /* Done this payload */
980 goto scan_next;
fb139224
JP		 981
982discard:
84fbdf87 983 /* Discard data until a new frame starts. */
76dd272b 984 gspca_dev->last_packet_type = DISCARD_PACKET;
84fbdf87
JFM		 985
986scan_next:
987 remaining_len -= len;
988 data += len;
989 } while (remaining_len > 0);
fbb4c6d2
AO		 990}
991
c22c4a20 992/* controls */
189d92af
JFM		 993static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
994{
995 struct sd *sd = (struct sd *) gspca_dev;
996
997 sd->gain = val;
998 if (gspca_dev->streaming)
999 setgain(gspca_dev);
1000 return 0;
1001}
1002
1003static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
1004{
1005 struct sd *sd = (struct sd *) gspca_dev;
1006
1007 *val = sd->gain;
1008 return 0;
1009}
1010
1011static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
1012{
1013 struct sd *sd = (struct sd *) gspca_dev;
1014
1015 sd->exposure = val;
c52af799
JFM		 1016 if (gspca_dev->streaming)
1017 setexposure(gspca_dev);
189d92af
JFM		 1018 return 0;
1019}
1020
1021static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
1022{
1023 struct sd *sd = (struct sd *) gspca_dev;
1024
1025 *val = sd->exposure;
1026 return 0;
1027}
1028
b014f94b
JFM		 1029static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
1030{
1031 struct sd *sd = (struct sd *) gspca_dev;
1032
1033 sd->brightness = val;
c52af799
JFM		 1034 if (gspca_dev->streaming)
1035 setbrightness(gspca_dev);
b014f94b
JFM		 1036 return 0;
1037}
1038
1039static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
1040{
1041 struct sd *sd = (struct sd *) gspca_dev;
1042
1043 *val = sd->brightness;
1044 return 0;
1045}
1046
1047static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
1048{
1049 struct sd *sd = (struct sd *) gspca_dev;
1050
1051 sd->contrast = val;
c52af799
JFM		 1052 if (gspca_dev->streaming)
1053 setcontrast(gspca_dev);
b014f94b
JFM		 1054 return 0;
1055}
1056
1057static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
1058{
1059 struct sd *sd = (struct sd *) gspca_dev;
1060
1061 *val = sd->contrast;
1062 return 0;
1063}
1064
8b7fbda4 1065static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val)
189d92af
JFM		 1066{
1067 struct sd *sd = (struct sd *) gspca_dev;
1068
8b7fbda4 1069 sd->agc = val;
2d19a2c1 1070
c22c4a20 1071 if (gspca_dev->streaming) {
c52af799
JFM		 1072
1073 /* the auto white balance control works only
1074 * when auto gain is set */
1075 if (val)
1076 gspca_dev->ctrl_inac &= ~(1 << AWB_IDX);
1077 else
1078 gspca_dev->ctrl_inac |= (1 << AWB_IDX);
8b7fbda4 1079 setagc(gspca_dev);
c22c4a20 1080 }
189d92af
JFM		 1081 return 0;
1082}
1083
8b7fbda4 1084static int sd_getagc(struct gspca_dev *gspca_dev, __s32 *val)
189d92af
JFM		 1085{
1086 struct sd *sd = (struct sd *) gspca_dev;
1087
8b7fbda4 1088 *val = sd->agc;
189d92af
JFM		 1089 return 0;
1090}
1091
b014f94b
JFM		 1092static int sd_setawb(struct gspca_dev *gspca_dev, __s32 val)
1093{
1094 struct sd *sd = (struct sd *) gspca_dev;
1095
1096 sd->awb = val;
1097 if (gspca_dev->streaming)
1098 setawb(gspca_dev);
1099 return 0;
1100}
1101
1102static int sd_getawb(struct gspca_dev *gspca_dev, __s32 *val)
1103{
1104 struct sd *sd = (struct sd *) gspca_dev;
1105
1106 *val = sd->awb;
1107 return 0;
1108}
1109
f2938822
MT		 1110static int sd_setaec(struct gspca_dev *gspca_dev, __s32 val)
1111{
1112 struct sd *sd = (struct sd *) gspca_dev;
1113
1114 sd->aec = val;
1115 if (gspca_dev->streaming)
1116 setaec(gspca_dev);
1117 return 0;
1118}
1119
1120static int sd_getaec(struct gspca_dev *gspca_dev, __s32 *val)
1121{
1122 struct sd *sd = (struct sd *) gspca_dev;
1123
1124 *val = sd->aec;
1125 return 0;
1126}
1127
189d92af
JFM		 1128static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val)
1129{
1130 struct sd *sd = (struct sd *) gspca_dev;
1131
1132 sd->sharpness = val;
c52af799
JFM		 1133 if (gspca_dev->streaming)
1134 setsharpness(gspca_dev);
189d92af
JFM		 1135 return 0;
1136}
1137
1138static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val)
1139{
1140 struct sd *sd = (struct sd *) gspca_dev;
1141
1142 *val = sd->sharpness;
1143 return 0;
1144}
1145
1146static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val)
1147{
1148 struct sd *sd = (struct sd *) gspca_dev;
1149
1150 sd->hflip = val;
1151 if (gspca_dev->streaming)
1152 sethflip(gspca_dev);
1153 return 0;
1154}
1155
1156static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val)
1157{
1158 struct sd *sd = (struct sd *) gspca_dev;
1159
1160 *val = sd->hflip;
1161 return 0;
1162}
1163
1164static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val)
1165{
1166 struct sd *sd = (struct sd *) gspca_dev;
1167
1168 sd->vflip = val;
1169 if (gspca_dev->streaming)
1170 setvflip(gspca_dev);
1171 return 0;
1172}
1173
1174static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
1175{
1176 struct sd *sd = (struct sd *) gspca_dev;
1177
1178 *val = sd->vflip;
1179 return 0;
1180}
1181
11d9f25d 1182/* get stream parameters (framerate) */
5c1a15a1
JFM		 1183static int sd_get_streamparm(struct gspca_dev *gspca_dev,
1184 struct v4l2_streamparm *parm)
11d9f25d
JP		 1185{
1186 struct v4l2_captureparm *cp = &parm->parm.capture;
1187 struct v4l2_fract *tpf = &cp->timeperframe;
1188 struct sd *sd = (struct sd *) gspca_dev;
1189
1190 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1191 return -EINVAL;
1192
1193 cp->capability |= V4L2_CAP_TIMEPERFRAME;
1194 tpf->numerator = 1;
1195 tpf->denominator = sd->frame_rate;
1196
1197 return 0;
1198}
1199
1200/* set stream parameters (framerate) */
5c1a15a1
JFM		 1201static int sd_set_streamparm(struct gspca_dev *gspca_dev,
1202 struct v4l2_streamparm *parm)
11d9f25d
JP		 1203{
1204 struct v4l2_captureparm *cp = &parm->parm.capture;
1205 struct v4l2_fract *tpf = &cp->timeperframe;
1206 struct sd *sd = (struct sd *) gspca_dev;
1207
1208 if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1209 return -EINVAL;
1210
1211 /* Set requested framerate */
1212 sd->frame_rate = tpf->denominator / tpf->numerator;
c52af799 1213 if (gspca_dev->streaming)
69f1fe28 1214 set_frame_rate(gspca_dev);
11d9f25d
JP		 1215
1216 /* Return the actual framerate */
1217 tpf->numerator = 1;
1218 tpf->denominator = sd->frame_rate;
1219
1220 return 0;
1221}
1222
fbb4c6d2 1223/* sub-driver description */
c52af799 1224static const struct sd_desc sd_desc = {
fbb4c6d2 1225 .name = MODULE_NAME,
c52af799
JFM		 1226 .ctrls = sd_ctrls,
1227 .nctrls = ARRAY_SIZE(sd_ctrls),
fbb4c6d2
AO		 1228 .config = sd_config,
1229 .init = sd_init,
c52af799
JFM		 1230 .start = sd_start,
1231 .stopN = sd_stopN,
189d92af
JFM		 1232 .pkt_scan = sd_pkt_scan,
1233 .get_streamparm = sd_get_streamparm,
1234 .set_streamparm = sd_set_streamparm,
1235};
1236
fbb4c6d2
AO		 1237/* -- module initialisation -- */
1238static const __devinitdata struct usb_device_id device_table[] = {
c52af799 1239 {USB_DEVICE(0x1415, 0x2000)},
fbb4c6d2
AO		 1240 {}
1241};
1242
1243MODULE_DEVICE_TABLE(usb, device_table);
1244
1245/* -- device connect -- */
1246static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1247{
c52af799 1248 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
189d92af 1249 THIS_MODULE);
fbb4c6d2
AO		 1250}
1251
1252static struct usb_driver sd_driver = {
1253 .name = MODULE_NAME,
1254 .id_table = device_table,
1255 .probe = sd_probe,
1256 .disconnect = gspca_disconnect,
1257#ifdef CONFIG_PM
1258 .suspend = gspca_suspend,
1259 .resume = gspca_resume,
1260#endif
1261};
1262
1263/* -- module insert / remove -- */
1264static int __init sd_mod_init(void)
1265{
f69e9529 1266 int ret;
189d92af 1267
f69e9529
AK		 1268 ret = usb_register(&sd_driver);
1269 if (ret < 0)
e6b14849 1270 return ret;
fbb4c6d2
AO		 1271 PDEBUG(D_PROBE, "registered");
1272 return 0;
1273}
1274
1275static void __exit sd_mod_exit(void)
1276{
1277 usb_deregister(&sd_driver);
1278 PDEBUG(D_PROBE, "deregistered");
1279}
1280
1281module_init(sd_mod_init);
1282module_exit(sd_mod_exit);
kernel source for telekom puls (alcatel/mediatek)