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Merge branch 'v6v7' into devel
[linux/fpc-iii.git] / drivers / media / video / gspca / ov534.c
blob04da228027360331195ebb9f38c8d77e74fc9ef5
1 /*
2 * ov534-ov772x gspca driver
3 *
4 * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
5 * Copyright (C) 2008 Jim Paris <jim@jtan.com>
6 * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr
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 *
12 * PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr
13 * PS3 Eye camera - brightness, contrast, awb, agc, aec controls
14 * added by Max Thrun <bear24rw@gmail.com>
15 *
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
35 #define OV534_REG_ADDRESS 0xf1 /* sensor address */
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
48 MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>");
49 MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver");
50 MODULE_LICENSE("GPL");
51
52 /* specific webcam descriptor */
53 struct sd {
54 struct gspca_dev gspca_dev; /* !! must be the first item */
55 __u32 last_pts;
56 u16 last_fid;
57 u8 frame_rate;
58
59 u8 brightness;
60 u8 contrast;
61 u8 gain;
62 u8 exposure;
63 u8 agc;
64 u8 awb;
65 u8 aec;
66 s8 sharpness;
67 u8 hflip;
68 u8 vflip;
69 u8 freqfltr;
70 };
71
72 /* V4L2 controls supported by the driver */
73 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
74 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
75 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
76 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
77 static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val);
78 static int sd_getagc(struct gspca_dev *gspca_dev, __s32 *val);
79 static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val);
80 static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val);
81 static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val);
82 static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val);
83 static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val);
84 static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val);
85 static int sd_setawb(struct gspca_dev *gspca_dev, __s32 val);
86 static int sd_getawb(struct gspca_dev *gspca_dev, __s32 *val);
87 static int sd_setaec(struct gspca_dev *gspca_dev, __s32 val);
88 static int sd_getaec(struct gspca_dev *gspca_dev, __s32 *val);
89 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
90 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
91 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
92 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
93 static int sd_setfreqfltr(struct gspca_dev *gspca_dev, __s32 val);
94 static int sd_getfreqfltr(struct gspca_dev *gspca_dev, __s32 *val);
95 static int sd_querymenu(struct gspca_dev *gspca_dev,
96 struct v4l2_querymenu *menu);
97
98 static const struct ctrl sd_ctrls[] = {
99 { /* 0 */
100 {
101 .id = V4L2_CID_BRIGHTNESS,
102 .type = V4L2_CTRL_TYPE_INTEGER,
103 .name = "Brightness",
104 .minimum = 0,
105 .maximum = 255,
106 .step = 1,
107 #define BRIGHTNESS_DEF 0
108 .default_value = BRIGHTNESS_DEF,
109 },
110 .set = sd_setbrightness,
111 .get = sd_getbrightness,
112 },
113 { /* 1 */
114 {
115 .id = V4L2_CID_CONTRAST,
116 .type = V4L2_CTRL_TYPE_INTEGER,
117 .name = "Contrast",
118 .minimum = 0,
119 .maximum = 255,
120 .step = 1,
121 #define CONTRAST_DEF 32
122 .default_value = CONTRAST_DEF,
123 },
124 .set = sd_setcontrast,
125 .get = sd_getcontrast,
126 },
127 { /* 2 */
128 {
129 .id = V4L2_CID_GAIN,
130 .type = V4L2_CTRL_TYPE_INTEGER,
131 .name = "Main Gain",
132 .minimum = 0,
133 .maximum = 63,
134 .step = 1,
135 #define GAIN_DEF 20
136 .default_value = GAIN_DEF,
137 },
138 .set = sd_setgain,
139 .get = sd_getgain,
140 },
141 { /* 3 */
142 {
143 .id = V4L2_CID_EXPOSURE,
144 .type = V4L2_CTRL_TYPE_INTEGER,
145 .name = "Exposure",
146 .minimum = 0,
147 .maximum = 255,
148 .step = 1,
149 #define EXPO_DEF 120
150 .default_value = EXPO_DEF,
151 },
152 .set = sd_setexposure,
153 .get = sd_getexposure,
154 },
155 { /* 4 */
156 {
157 .id = V4L2_CID_AUTOGAIN,
158 .type = V4L2_CTRL_TYPE_BOOLEAN,
159 .name = "Auto Gain",
160 .minimum = 0,
161 .maximum = 1,
162 .step = 1,
163 #define AGC_DEF 1
164 .default_value = AGC_DEF,
165 },
166 .set = sd_setagc,
167 .get = sd_getagc,
168 },
169 #define AWB_IDX 5
170 { /* 5 */
171 {
172 .id = V4L2_CID_AUTO_WHITE_BALANCE,
173 .type = V4L2_CTRL_TYPE_BOOLEAN,
174 .name = "Auto White Balance",
175 .minimum = 0,
176 .maximum = 1,
177 .step = 1,
178 #define AWB_DEF 1
179 .default_value = AWB_DEF,
180 },
181 .set = sd_setawb,
182 .get = sd_getawb,
183 },
184 { /* 6 */
185 {
186 .id = V4L2_CID_EXPOSURE_AUTO,
187 .type = V4L2_CTRL_TYPE_BOOLEAN,
188 .name = "Auto Exposure",
189 .minimum = 0,
190 .maximum = 1,
191 .step = 1,
192 #define AEC_DEF 1
193 .default_value = AEC_DEF,
194 },
195 .set = sd_setaec,
196 .get = sd_getaec,
197 },
198 { /* 7 */
199 {
200 .id = V4L2_CID_SHARPNESS,
201 .type = V4L2_CTRL_TYPE_INTEGER,
202 .name = "Sharpness",
203 .minimum = 0,
204 .maximum = 63,
205 .step = 1,
206 #define SHARPNESS_DEF 0
207 .default_value = SHARPNESS_DEF,
208 },
209 .set = sd_setsharpness,
210 .get = sd_getsharpness,
211 },
212 { /* 8 */
213 {
214 .id = V4L2_CID_HFLIP,
215 .type = V4L2_CTRL_TYPE_BOOLEAN,
216 .name = "HFlip",
217 .minimum = 0,
218 .maximum = 1,
219 .step = 1,
220 #define HFLIP_DEF 0
221 .default_value = HFLIP_DEF,
222 },
223 .set = sd_sethflip,
224 .get = sd_gethflip,
225 },
226 { /* 9 */
227 {
228 .id = V4L2_CID_VFLIP,
229 .type = V4L2_CTRL_TYPE_BOOLEAN,
230 .name = "VFlip",
231 .minimum = 0,
232 .maximum = 1,
233 .step = 1,
234 #define VFLIP_DEF 0
235 .default_value = VFLIP_DEF,
236 },
237 .set = sd_setvflip,
238 .get = sd_getvflip,
239 },
240 { /* 10 */
241 {
242 .id = V4L2_CID_POWER_LINE_FREQUENCY,
243 .type = V4L2_CTRL_TYPE_MENU,
244 .name = "Light Frequency Filter",
245 .minimum = 0,
246 .maximum = 1,
247 .step = 1,
248 #define FREQFLTR_DEF 0
249 .default_value = FREQFLTR_DEF,
250 },
251 .set = sd_setfreqfltr,
252 .get = sd_getfreqfltr,
253 },
254 };
255
256 static const struct v4l2_pix_format ov772x_mode[] = {
257 {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
258 .bytesperline = 320 * 2,
259 .sizeimage = 320 * 240 * 2,
260 .colorspace = V4L2_COLORSPACE_SRGB,
261 .priv = 1},
262 {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
263 .bytesperline = 640 * 2,
264 .sizeimage = 640 * 480 * 2,
265 .colorspace = V4L2_COLORSPACE_SRGB,
266 .priv = 0},
267 };
268
269 static const u8 qvga_rates[] = {125, 100, 75, 60, 50, 40, 30};
270 static const u8 vga_rates[] = {60, 50, 40, 30, 15};
271
272 static const struct framerates ov772x_framerates[] = {
273 { /* 320x240 */
274 .rates = qvga_rates,
275 .nrates = ARRAY_SIZE(qvga_rates),
276 },
277 { /* 640x480 */
278 .rates = vga_rates,
279 .nrates = ARRAY_SIZE(vga_rates),
280 },
281 };
282
283 static const u8 bridge_init[][2] = {
284 { 0xc2, 0x0c },
285 { 0x88, 0xf8 },
286 { 0xc3, 0x69 },
287 { 0x89, 0xff },
288 { 0x76, 0x03 },
289 { 0x92, 0x01 },
290 { 0x93, 0x18 },
291 { 0x94, 0x10 },
292 { 0x95, 0x10 },
293 { 0xe2, 0x00 },
294 { 0xe7, 0x3e },
295
296 { 0x96, 0x00 },
297
298 { 0x97, 0x20 },
299 { 0x97, 0x20 },
300 { 0x97, 0x20 },
301 { 0x97, 0x0a },
302 { 0x97, 0x3f },
303 { 0x97, 0x4a },
304 { 0x97, 0x20 },
305 { 0x97, 0x15 },
306 { 0x97, 0x0b },
307
308 { 0x8e, 0x40 },
309 { 0x1f, 0x81 },
310 { 0x34, 0x05 },
311 { 0xe3, 0x04 },
312 { 0x88, 0x00 },
313 { 0x89, 0x00 },
314 { 0x76, 0x00 },
315 { 0xe7, 0x2e },
316 { 0x31, 0xf9 },
317 { 0x25, 0x42 },
318 { 0x21, 0xf0 },
319
320 { 0x1c, 0x00 },
321 { 0x1d, 0x40 },
322 { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */
323 { 0x1d, 0x00 }, /* payload size */
324
325 { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
326 { 0x1d, 0x58 }, /* frame size */
327 { 0x1d, 0x00 }, /* frame size */
328
329 { 0x1c, 0x0a },
330 { 0x1d, 0x08 }, /* turn on UVC header */
331 { 0x1d, 0x0e }, /* .. */
332
333 { 0x8d, 0x1c },
334 { 0x8e, 0x80 },
335 { 0xe5, 0x04 },
336
337 { 0xc0, 0x50 },
338 { 0xc1, 0x3c },
339 { 0xc2, 0x0c },
340 };
341 static const u8 sensor_init[][2] = {
342 { 0x12, 0x80 },
343 { 0x11, 0x01 },
344 /*fixme: better have a delay?*/
345 { 0x11, 0x01 },
346 { 0x11, 0x01 },
347 { 0x11, 0x01 },
348 { 0x11, 0x01 },
349 { 0x11, 0x01 },
350 { 0x11, 0x01 },
351 { 0x11, 0x01 },
352 { 0x11, 0x01 },
353 { 0x11, 0x01 },
354 { 0x11, 0x01 },
355
356 { 0x3d, 0x03 },
357 { 0x17, 0x26 },
358 { 0x18, 0xa0 },
359 { 0x19, 0x07 },
360 { 0x1a, 0xf0 },
361 { 0x32, 0x00 },
362 { 0x29, 0xa0 },
363 { 0x2c, 0xf0 },
364 { 0x65, 0x20 },
365 { 0x11, 0x01 },
366 { 0x42, 0x7f },
367 { 0x63, 0xaa }, /* AWB - was e0 */
368 { 0x64, 0xff },
369 { 0x66, 0x00 },
370 { 0x13, 0xf0 }, /* com8 */
371 { 0x0d, 0x41 },
372 { 0x0f, 0xc5 },
373 { 0x14, 0x11 },
374
375 { 0x22, 0x7f },
376 { 0x23, 0x03 },
377 { 0x24, 0x40 },
378 { 0x25, 0x30 },
379 { 0x26, 0xa1 },
380 { 0x2a, 0x00 },
381 { 0x2b, 0x00 },
382 { 0x6b, 0xaa },
383 { 0x13, 0xff }, /* AWB */
384
385 { 0x90, 0x05 },
386 { 0x91, 0x01 },
387 { 0x92, 0x03 },
388 { 0x93, 0x00 },
389 { 0x94, 0x60 },
390 { 0x95, 0x3c },
391 { 0x96, 0x24 },
392 { 0x97, 0x1e },
393 { 0x98, 0x62 },
394 { 0x99, 0x80 },
395 { 0x9a, 0x1e },
396 { 0x9b, 0x08 },
397 { 0x9c, 0x20 },
398 { 0x9e, 0x81 },
399
400 { 0xa6, 0x04 },
401 { 0x7e, 0x0c },
402 { 0x7f, 0x16 },
403 { 0x80, 0x2a },
404 { 0x81, 0x4e },
405 { 0x82, 0x61 },
406 { 0x83, 0x6f },
407 { 0x84, 0x7b },
408 { 0x85, 0x86 },
409 { 0x86, 0x8e },
410 { 0x87, 0x97 },
411 { 0x88, 0xa4 },
412 { 0x89, 0xaf },
413 { 0x8a, 0xc5 },
414 { 0x8b, 0xd7 },
415 { 0x8c, 0xe8 },
416 { 0x8d, 0x20 },
417
418 { 0x0c, 0x90 },
419
420 { 0x2b, 0x00 },
421 { 0x22, 0x7f },
422 { 0x23, 0x03 },
423 { 0x11, 0x01 },
424 { 0x0c, 0xd0 },
425 { 0x64, 0xff },
426 { 0x0d, 0x41 },
427
428 { 0x14, 0x41 },
429 { 0x0e, 0xcd },
430 { 0xac, 0xbf },
431 { 0x8e, 0x00 }, /* De-noise threshold */
432 { 0x0c, 0xd0 }
433 };
434 static const u8 bridge_start_vga[][2] = {
435 {0x1c, 0x00},
436 {0x1d, 0x40},
437 {0x1d, 0x02},
438 {0x1d, 0x00},
439 {0x1d, 0x02},
440 {0x1d, 0x58},
441 {0x1d, 0x00},
442 {0xc0, 0x50},
443 {0xc1, 0x3c},
444 };
445 static const u8 sensor_start_vga[][2] = {
446 {0x12, 0x00},
447 {0x17, 0x26},
448 {0x18, 0xa0},
449 {0x19, 0x07},
450 {0x1a, 0xf0},
451 {0x29, 0xa0},
452 {0x2c, 0xf0},
453 {0x65, 0x20},
454 };
455 static const u8 bridge_start_qvga[][2] = {
456 {0x1c, 0x00},
457 {0x1d, 0x40},
458 {0x1d, 0x02},
459 {0x1d, 0x00},
460 {0x1d, 0x01},
461 {0x1d, 0x4b},
462 {0x1d, 0x00},
463 {0xc0, 0x28},
464 {0xc1, 0x1e},
465 };
466 static const u8 sensor_start_qvga[][2] = {
467 {0x12, 0x40},
468 {0x17, 0x3f},
469 {0x18, 0x50},
470 {0x19, 0x03},
471 {0x1a, 0x78},
472 {0x29, 0x50},
473 {0x2c, 0x78},
474 {0x65, 0x2f},
475 };
476
477 static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
478 {
479 struct usb_device *udev = gspca_dev->dev;
480 int ret;
481
482 if (gspca_dev->usb_err < 0)
483 return;
484
485 PDEBUG(D_USBO, "SET 01 0000 %04x %02x", reg, val);
486 gspca_dev->usb_buf[0] = val;
487 ret = usb_control_msg(udev,
488 usb_sndctrlpipe(udev, 0),
489 0x01,
490 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
491 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
492 if (ret < 0) {
493 err("write failed %d", ret);
494 gspca_dev->usb_err = ret;
495 }
496 }
497
498 static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
499 {
500 struct usb_device *udev = gspca_dev->dev;
501 int ret;
502
503 if (gspca_dev->usb_err < 0)
504 return 0;
505 ret = usb_control_msg(udev,
506 usb_rcvctrlpipe(udev, 0),
507 0x01,
508 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
509 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
510 PDEBUG(D_USBI, "GET 01 0000 %04x %02x", reg, gspca_dev->usb_buf[0]);
511 if (ret < 0) {
512 err("read failed %d", ret);
513 gspca_dev->usb_err = ret;
514 }
515 return gspca_dev->usb_buf[0];
516 }
517
518 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
519 * (direction and output)? */
520 static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
521 {
522 u8 data;
523
524 PDEBUG(D_CONF, "led status: %d", status);
525
526 data = ov534_reg_read(gspca_dev, 0x21);
527 data |= 0x80;
528 ov534_reg_write(gspca_dev, 0x21, data);
529
530 data = ov534_reg_read(gspca_dev, 0x23);
531 if (status)
532 data |= 0x80;
533 else
534 data &= ~0x80;
535
536 ov534_reg_write(gspca_dev, 0x23, data);
537
538 if (!status) {
539 data = ov534_reg_read(gspca_dev, 0x21);
540 data &= ~0x80;
541 ov534_reg_write(gspca_dev, 0x21, data);
542 }
543 }
544
545 static int sccb_check_status(struct gspca_dev *gspca_dev)
546 {
547 u8 data;
548 int i;
549
550 for (i = 0; i < 5; i++) {
551 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
552
553 switch (data) {
554 case 0x00:
555 return 1;
556 case 0x04:
557 return 0;
558 case 0x03:
559 break;
560 default:
561 PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5",
562 data, i + 1);
563 }
564 }
565 return 0;
566 }
567
568 static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
569 {
570 PDEBUG(D_USBO, "sccb write: %02x %02x", reg, val);
571 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
572 ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
573 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
574
575 if (!sccb_check_status(gspca_dev)) {
576 err("sccb_reg_write failed");
577 gspca_dev->usb_err = -EIO;
578 }
579 }
580
581 static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
582 {
583 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
584 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
585 if (!sccb_check_status(gspca_dev))
586 err("sccb_reg_read failed 1");
587
588 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
589 if (!sccb_check_status(gspca_dev))
590 err("sccb_reg_read failed 2");
591
592 return ov534_reg_read(gspca_dev, OV534_REG_READ);
593 }
594
595 /* output a bridge sequence (reg - val) */
596 static void reg_w_array(struct gspca_dev *gspca_dev,
597 const u8 (*data)[2], int len)
598 {
599 while (--len >= 0) {
600 ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]);
601 data++;
602 }
603 }
604
605 /* output a sensor sequence (reg - val) */
606 static void sccb_w_array(struct gspca_dev *gspca_dev,
607 const u8 (*data)[2], int len)
608 {
609 while (--len >= 0) {
610 if ((*data)[0] != 0xff) {
611 sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]);
612 } else {
613 sccb_reg_read(gspca_dev, (*data)[1]);
614 sccb_reg_write(gspca_dev, 0xff, 0x00);
615 }
616 data++;
617 }
618 }
619
620 /* ov772x specific controls */
621 static void set_frame_rate(struct gspca_dev *gspca_dev)
622 {
623 struct sd *sd = (struct sd *) gspca_dev;
624 int i;
625 struct rate_s {
626 u8 fps;
627 u8 r11;
628 u8 r0d;
629 u8 re5;
630 };
631 const struct rate_s *r;
632 static const struct rate_s rate_0[] = { /* 640x480 */
633 {60, 0x01, 0xc1, 0x04},
634 {50, 0x01, 0x41, 0x02},
635 {40, 0x02, 0xc1, 0x04},
636 {30, 0x04, 0x81, 0x02},
637 {15, 0x03, 0x41, 0x04},
638 };
639 static const struct rate_s rate_1[] = { /* 320x240 */
640 {125, 0x02, 0x81, 0x02},
641 {100, 0x02, 0xc1, 0x04},
642 {75, 0x03, 0xc1, 0x04},
643 {60, 0x04, 0xc1, 0x04},
644 {50, 0x02, 0x41, 0x04},
645 {40, 0x03, 0x41, 0x04},
646 {30, 0x04, 0x41, 0x04},
647 };
648
649 if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) {
650 r = rate_0;
651 i = ARRAY_SIZE(rate_0);
652 } else {
653 r = rate_1;
654 i = ARRAY_SIZE(rate_1);
655 }
656 while (--i > 0) {
657 if (sd->frame_rate >= r->fps)
658 break;
659 r++;
660 }
661
662 sccb_reg_write(gspca_dev, 0x11, r->r11);
663 sccb_reg_write(gspca_dev, 0x0d, r->r0d);
664 ov534_reg_write(gspca_dev, 0xe5, r->re5);
665
666 PDEBUG(D_PROBE, "frame_rate: %d", r->fps);
667 }
668
669 static void setbrightness(struct gspca_dev *gspca_dev)
670 {
671 struct sd *sd = (struct sd *) gspca_dev;
672
673 sccb_reg_write(gspca_dev, 0x9b, sd->brightness);
674 }
675
676 static void setcontrast(struct gspca_dev *gspca_dev)
677 {
678 struct sd *sd = (struct sd *) gspca_dev;
679
680 sccb_reg_write(gspca_dev, 0x9c, sd->contrast);
681 }
682
683 static void setgain(struct gspca_dev *gspca_dev)
684 {
685 struct sd *sd = (struct sd *) gspca_dev;
686 u8 val;
687
688 if (sd->agc)
689 return;
690
691 val = sd->gain;
692 switch (val & 0x30) {
693 case 0x00:
694 val &= 0x0f;
695 break;
696 case 0x10:
697 val &= 0x0f;
698 val |= 0x30;
699 break;
700 case 0x20:
701 val &= 0x0f;
702 val |= 0x70;
703 break;
704 default:
705 /* case 0x30: */
706 val &= 0x0f;
707 val |= 0xf0;
708 break;
709 }
710 sccb_reg_write(gspca_dev, 0x00, val);
711 }
712
713 static void setexposure(struct gspca_dev *gspca_dev)
714 {
715 struct sd *sd = (struct sd *) gspca_dev;
716 u8 val;
717
718 if (sd->aec)
719 return;
720
721 /* 'val' is one byte and represents half of the exposure value we are
722 * going to set into registers, a two bytes value:
723 *
724 * MSB: ((u16) val << 1) >> 8 == val >> 7
725 * LSB: ((u16) val << 1) & 0xff == val << 1
726 */
727 val = sd->exposure;
728 sccb_reg_write(gspca_dev, 0x08, val >> 7);
729 sccb_reg_write(gspca_dev, 0x10, val << 1);
730 }
731
732 static void setagc(struct gspca_dev *gspca_dev)
733 {
734 struct sd *sd = (struct sd *) gspca_dev;
735
736 if (sd->agc) {
737 sccb_reg_write(gspca_dev, 0x13,
738 sccb_reg_read(gspca_dev, 0x13) | 0x04);
739 sccb_reg_write(gspca_dev, 0x64,
740 sccb_reg_read(gspca_dev, 0x64) | 0x03);
741 } else {
742 sccb_reg_write(gspca_dev, 0x13,
743 sccb_reg_read(gspca_dev, 0x13) & ~0x04);
744 sccb_reg_write(gspca_dev, 0x64,
745 sccb_reg_read(gspca_dev, 0x64) & ~0x03);
746
747 setgain(gspca_dev);
748 }
749 }
750
751 static void setawb(struct gspca_dev *gspca_dev)
752 {
753 struct sd *sd = (struct sd *) gspca_dev;
754
755 if (sd->awb) {
756 sccb_reg_write(gspca_dev, 0x13,
757 sccb_reg_read(gspca_dev, 0x13) | 0x02);
758 sccb_reg_write(gspca_dev, 0x63,
759 sccb_reg_read(gspca_dev, 0x63) | 0xc0);
760 } else {
761 sccb_reg_write(gspca_dev, 0x13,
762 sccb_reg_read(gspca_dev, 0x13) & ~0x02);
763 sccb_reg_write(gspca_dev, 0x63,
764 sccb_reg_read(gspca_dev, 0x63) & ~0xc0);
765 }
766 }
767
768 static void setaec(struct gspca_dev *gspca_dev)
769 {
770 struct sd *sd = (struct sd *) gspca_dev;
771
772 if (sd->aec)
773 sccb_reg_write(gspca_dev, 0x13,
774 sccb_reg_read(gspca_dev, 0x13) | 0x01);
775 else {
776 sccb_reg_write(gspca_dev, 0x13,
777 sccb_reg_read(gspca_dev, 0x13) & ~0x01);
778 setexposure(gspca_dev);
779 }
780 }
781
782 static void setsharpness(struct gspca_dev *gspca_dev)
783 {
784 struct sd *sd = (struct sd *) gspca_dev;
785 u8 val;
786
787 val = sd->sharpness;
788 sccb_reg_write(gspca_dev, 0x91, val); /* Auto de-noise threshold */
789 sccb_reg_write(gspca_dev, 0x8e, val); /* De-noise threshold */
790 }
791
792 static void sethflip(struct gspca_dev *gspca_dev)
793 {
794 struct sd *sd = (struct sd *) gspca_dev;
795
796 if (sd->hflip == 0)
797 sccb_reg_write(gspca_dev, 0x0c,
798 sccb_reg_read(gspca_dev, 0x0c) | 0x40);
799 else
800 sccb_reg_write(gspca_dev, 0x0c,
801 sccb_reg_read(gspca_dev, 0x0c) & ~0x40);
802 }
803
804 static void setvflip(struct gspca_dev *gspca_dev)
805 {
806 struct sd *sd = (struct sd *) gspca_dev;
807
808 if (sd->vflip == 0)
809 sccb_reg_write(gspca_dev, 0x0c,
810 sccb_reg_read(gspca_dev, 0x0c) | 0x80);
811 else
812 sccb_reg_write(gspca_dev, 0x0c,
813 sccb_reg_read(gspca_dev, 0x0c) & ~0x80);
814 }
815
816 static void setfreqfltr(struct gspca_dev *gspca_dev)
817 {
818 struct sd *sd = (struct sd *) gspca_dev;
819
820 if (sd->freqfltr == 0)
821 sccb_reg_write(gspca_dev, 0x2b, 0x00);
822 else
823 sccb_reg_write(gspca_dev, 0x2b, 0x9e);
824 }
825
826
827 /* this function is called at probe time */
828 static int sd_config(struct gspca_dev *gspca_dev,
829 const struct usb_device_id *id)
830 {
831 struct sd *sd = (struct sd *) gspca_dev;
832 struct cam *cam;
833
834 cam = &gspca_dev->cam;
835
836 cam->cam_mode = ov772x_mode;
837 cam->nmodes = ARRAY_SIZE(ov772x_mode);
838 cam->mode_framerates = ov772x_framerates;
839
840 cam->bulk = 1;
841 cam->bulk_size = 16384;
842 cam->bulk_nurbs = 2;
843
844 sd->frame_rate = 30;
845
846 sd->brightness = BRIGHTNESS_DEF;
847 sd->contrast = CONTRAST_DEF;
848 sd->gain = GAIN_DEF;
849 sd->exposure = EXPO_DEF;
850 #if AGC_DEF != 0
851 sd->agc = AGC_DEF;
852 #else
853 gspca_dev->ctrl_inac |= (1 << AWB_IDX);
854 #endif
855 sd->awb = AWB_DEF;
856 sd->aec = AEC_DEF;
857 sd->sharpness = SHARPNESS_DEF;
858 sd->hflip = HFLIP_DEF;
859 sd->vflip = VFLIP_DEF;
860 sd->freqfltr = FREQFLTR_DEF;
861
862 return 0;
863 }
864
865 /* this function is called at probe and resume time */
866 static int sd_init(struct gspca_dev *gspca_dev)
867 {
868 u16 sensor_id;
869
870 /* reset bridge */
871 ov534_reg_write(gspca_dev, 0xe7, 0x3a);
872 ov534_reg_write(gspca_dev, 0xe0, 0x08);
873 msleep(100);
874
875 /* initialize the sensor address */
876 ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, 0x42);
877
878 /* reset sensor */
879 sccb_reg_write(gspca_dev, 0x12, 0x80);
880 msleep(10);
881
882 /* probe the sensor */
883 sccb_reg_read(gspca_dev, 0x0a);
884 sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8;
885 sccb_reg_read(gspca_dev, 0x0b);
886 sensor_id |= sccb_reg_read(gspca_dev, 0x0b);
887 PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
888
889 /* initialize */
890 reg_w_array(gspca_dev, bridge_init,
891 ARRAY_SIZE(bridge_init));
892 ov534_set_led(gspca_dev, 1);
893 sccb_w_array(gspca_dev, sensor_init,
894 ARRAY_SIZE(sensor_init));
895 ov534_reg_write(gspca_dev, 0xe0, 0x09);
896 ov534_set_led(gspca_dev, 0);
897 set_frame_rate(gspca_dev);
898
899 return gspca_dev->usb_err;
900 }
901
902 static int sd_start(struct gspca_dev *gspca_dev)
903 {
904 int mode;
905
906 mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
907 if (mode != 0) { /* 320x240 */
908 reg_w_array(gspca_dev, bridge_start_qvga,
909 ARRAY_SIZE(bridge_start_qvga));
910 sccb_w_array(gspca_dev, sensor_start_qvga,
911 ARRAY_SIZE(sensor_start_qvga));
912 } else { /* 640x480 */
913 reg_w_array(gspca_dev, bridge_start_vga,
914 ARRAY_SIZE(bridge_start_vga));
915 sccb_w_array(gspca_dev, sensor_start_vga,
916 ARRAY_SIZE(sensor_start_vga));
917 }
918 set_frame_rate(gspca_dev);
919
920 setagc(gspca_dev);
921 setawb(gspca_dev);
922 setaec(gspca_dev);
923 setgain(gspca_dev);
924 setexposure(gspca_dev);
925 setbrightness(gspca_dev);
926 setcontrast(gspca_dev);
927 setsharpness(gspca_dev);
928 setvflip(gspca_dev);
929 sethflip(gspca_dev);
930 setfreqfltr(gspca_dev);
931
932 ov534_set_led(gspca_dev, 1);
933 ov534_reg_write(gspca_dev, 0xe0, 0x00);
934 return gspca_dev->usb_err;
935 }
936
937 static void sd_stopN(struct gspca_dev *gspca_dev)
938 {
939 ov534_reg_write(gspca_dev, 0xe0, 0x09);
940 ov534_set_led(gspca_dev, 0);
941 }
942
943 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
944 #define UVC_STREAM_EOH (1 << 7)
945 #define UVC_STREAM_ERR (1 << 6)
946 #define UVC_STREAM_STI (1 << 5)
947 #define UVC_STREAM_RES (1 << 4)
948 #define UVC_STREAM_SCR (1 << 3)
949 #define UVC_STREAM_PTS (1 << 2)
950 #define UVC_STREAM_EOF (1 << 1)
951 #define UVC_STREAM_FID (1 << 0)
952
953 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
954 u8 *data, int len)
955 {
956 struct sd *sd = (struct sd *) gspca_dev;
957 __u32 this_pts;
958 u16 this_fid;
959 int remaining_len = len;
960
961 do {
962 len = min(remaining_len, 2048);
963
964 /* Payloads are prefixed with a UVC-style header. We
965 consider a frame to start when the FID toggles, or the PTS
966 changes. A frame ends when EOF is set, and we've received
967 the correct number of bytes. */
968
969 /* Verify UVC header. Header length is always 12 */
970 if (data[0] != 12 || len < 12) {
971 PDEBUG(D_PACK, "bad header");
972 goto discard;
973 }
974
975 /* Check errors */
976 if (data[1] & UVC_STREAM_ERR) {
977 PDEBUG(D_PACK, "payload error");
978 goto discard;
979 }
980
981 /* Extract PTS and FID */
982 if (!(data[1] & UVC_STREAM_PTS)) {
983 PDEBUG(D_PACK, "PTS not present");
984 goto discard;
985 }
986 this_pts = (data[5] << 24) | (data[4] << 16)
987 | (data[3] << 8) | data[2];
988 this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0;
989
990 /* If PTS or FID has changed, start a new frame. */
991 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
992 if (gspca_dev->last_packet_type == INTER_PACKET)
993 gspca_frame_add(gspca_dev, LAST_PACKET,
994 NULL, 0);
995 sd->last_pts = this_pts;
996 sd->last_fid = this_fid;
997 gspca_frame_add(gspca_dev, FIRST_PACKET,
998 data + 12, len - 12);
999 /* If this packet is marked as EOF, end the frame */
1000 } else if (data[1] & UVC_STREAM_EOF) {
1001 sd->last_pts = 0;
1002 if (gspca_dev->image_len + len - 12 !=
1003 gspca_dev->width * gspca_dev->height * 2) {
1004 PDEBUG(D_PACK, "wrong sized frame");
1005 goto discard;
1006 }
1007 gspca_frame_add(gspca_dev, LAST_PACKET,
1008 data + 12, len - 12);
1009 } else {
1010
1011 /* Add the data from this payload */
1012 gspca_frame_add(gspca_dev, INTER_PACKET,
1013 data + 12, len - 12);
1014 }
1015
1016 /* Done this payload */
1017 goto scan_next;
1018
1019 discard:
1020 /* Discard data until a new frame starts. */
1021 gspca_dev->last_packet_type = DISCARD_PACKET;
1022
1023 scan_next:
1024 remaining_len -= len;
1025 data += len;
1026 } while (remaining_len > 0);
1027 }
1028
1029 /* controls */
1030 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
1031 {
1032 struct sd *sd = (struct sd *) gspca_dev;
1033
1034 sd->gain = val;
1035 if (gspca_dev->streaming)
1036 setgain(gspca_dev);
1037 return 0;
1038 }
1039
1040 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
1041 {
1042 struct sd *sd = (struct sd *) gspca_dev;
1043
1044 *val = sd->gain;
1045 return 0;
1046 }
1047
1048 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
1049 {
1050 struct sd *sd = (struct sd *) gspca_dev;
1051
1052 sd->exposure = val;
1053 if (gspca_dev->streaming)
1054 setexposure(gspca_dev);
1055 return 0;
1056 }
1057
1058 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
1059 {
1060 struct sd *sd = (struct sd *) gspca_dev;
1061
1062 *val = sd->exposure;
1063 return 0;
1064 }
1065
1066 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
1067 {
1068 struct sd *sd = (struct sd *) gspca_dev;
1069
1070 sd->brightness = val;
1071 if (gspca_dev->streaming)
1072 setbrightness(gspca_dev);
1073 return 0;
1074 }
1075
1076 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
1077 {
1078 struct sd *sd = (struct sd *) gspca_dev;
1079
1080 *val = sd->brightness;
1081 return 0;
1082 }
1083
1084 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
1085 {
1086 struct sd *sd = (struct sd *) gspca_dev;
1087
1088 sd->contrast = val;
1089 if (gspca_dev->streaming)
1090 setcontrast(gspca_dev);
1091 return 0;
1092 }
1093
1094 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
1095 {
1096 struct sd *sd = (struct sd *) gspca_dev;
1097
1098 *val = sd->contrast;
1099 return 0;
1100 }
1101
1102 static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val)
1103 {
1104 struct sd *sd = (struct sd *) gspca_dev;
1105
1106 sd->agc = val;
1107
1108 if (gspca_dev->streaming) {
1109
1110 /* the auto white balance control works only
1111 * when auto gain is set */
1112 if (val)
1113 gspca_dev->ctrl_inac &= ~(1 << AWB_IDX);
1114 else
1115 gspca_dev->ctrl_inac |= (1 << AWB_IDX);
1116 setagc(gspca_dev);
1117 }
1118 return 0;
1119 }
1120
1121 static int sd_getagc(struct gspca_dev *gspca_dev, __s32 *val)
1122 {
1123 struct sd *sd = (struct sd *) gspca_dev;
1124
1125 *val = sd->agc;
1126 return 0;
1127 }
1128
1129 static int sd_setawb(struct gspca_dev *gspca_dev, __s32 val)
1130 {
1131 struct sd *sd = (struct sd *) gspca_dev;
1132
1133 sd->awb = val;
1134 if (gspca_dev->streaming)
1135 setawb(gspca_dev);
1136 return 0;
1137 }
1138
1139 static int sd_getawb(struct gspca_dev *gspca_dev, __s32 *val)
1140 {
1141 struct sd *sd = (struct sd *) gspca_dev;
1142
1143 *val = sd->awb;
1144 return 0;
1145 }
1146
1147 static int sd_setaec(struct gspca_dev *gspca_dev, __s32 val)
1148 {
1149 struct sd *sd = (struct sd *) gspca_dev;
1150
1151 sd->aec = val;
1152 if (gspca_dev->streaming)
1153 setaec(gspca_dev);
1154 return 0;
1155 }
1156
1157 static int sd_getaec(struct gspca_dev *gspca_dev, __s32 *val)
1158 {
1159 struct sd *sd = (struct sd *) gspca_dev;
1160
1161 *val = sd->aec;
1162 return 0;
1163 }
1164
1165 static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val)
1166 {
1167 struct sd *sd = (struct sd *) gspca_dev;
1168
1169 sd->sharpness = val;
1170 if (gspca_dev->streaming)
1171 setsharpness(gspca_dev);
1172 return 0;
1173 }
1174
1175 static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val)
1176 {
1177 struct sd *sd = (struct sd *) gspca_dev;
1178
1179 *val = sd->sharpness;
1180 return 0;
1181 }
1182
1183 static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val)
1184 {
1185 struct sd *sd = (struct sd *) gspca_dev;
1186
1187 sd->hflip = val;
1188 if (gspca_dev->streaming)
1189 sethflip(gspca_dev);
1190 return 0;
1191 }
1192
1193 static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val)
1194 {
1195 struct sd *sd = (struct sd *) gspca_dev;
1196
1197 *val = sd->hflip;
1198 return 0;
1199 }
1200
1201 static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val)
1202 {
1203 struct sd *sd = (struct sd *) gspca_dev;
1204
1205 sd->vflip = val;
1206 if (gspca_dev->streaming)
1207 setvflip(gspca_dev);
1208 return 0;
1209 }
1210
1211 static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
1212 {
1213 struct sd *sd = (struct sd *) gspca_dev;
1214
1215 *val = sd->vflip;
1216 return 0;
1217 }
1218
1219 static int sd_setfreqfltr(struct gspca_dev *gspca_dev, __s32 val)
1220 {
1221 struct sd *sd = (struct sd *) gspca_dev;
1222
1223 sd->freqfltr = val;
1224 if (gspca_dev->streaming)
1225 setfreqfltr(gspca_dev);
1226 return 0;
1227 }
1228
1229 static int sd_getfreqfltr(struct gspca_dev *gspca_dev, __s32 *val)
1230 {
1231 struct sd *sd = (struct sd *) gspca_dev;
1232
1233 *val = sd->freqfltr;
1234 return 0;
1235 }
1236
1237 static int sd_querymenu(struct gspca_dev *gspca_dev,
1238 struct v4l2_querymenu *menu)
1239 {
1240 switch (menu->id) {
1241 case V4L2_CID_POWER_LINE_FREQUENCY:
1242 switch (menu->index) {
1243 case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
1244 strcpy((char *) menu->name, "Disabled");
1245 return 0;
1246 case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
1247 strcpy((char *) menu->name, "50 Hz");
1248 return 0;
1249 }
1250 break;
1251 }
1252
1253 return -EINVAL;
1254 }
1255
1256 /* get stream parameters (framerate) */
1257 static void sd_get_streamparm(struct gspca_dev *gspca_dev,
1258 struct v4l2_streamparm *parm)
1259 {
1260 struct v4l2_captureparm *cp = &parm->parm.capture;
1261 struct v4l2_fract *tpf = &cp->timeperframe;
1262 struct sd *sd = (struct sd *) gspca_dev;
1263
1264 cp->capability |= V4L2_CAP_TIMEPERFRAME;
1265 tpf->numerator = 1;
1266 tpf->denominator = sd->frame_rate;
1267 }
1268
1269 /* set stream parameters (framerate) */
1270 static void sd_set_streamparm(struct gspca_dev *gspca_dev,
1271 struct v4l2_streamparm *parm)
1272 {
1273 struct v4l2_captureparm *cp = &parm->parm.capture;
1274 struct v4l2_fract *tpf = &cp->timeperframe;
1275 struct sd *sd = (struct sd *) gspca_dev;
1276
1277 /* Set requested framerate */
1278 sd->frame_rate = tpf->denominator / tpf->numerator;
1279 if (gspca_dev->streaming)
1280 set_frame_rate(gspca_dev);
1281
1282 /* Return the actual framerate */
1283 tpf->numerator = 1;
1284 tpf->denominator = sd->frame_rate;
1285 }
1286
1287 /* sub-driver description */
1288 static const struct sd_desc sd_desc = {
1289 .name = MODULE_NAME,
1290 .ctrls = sd_ctrls,
1291 .nctrls = ARRAY_SIZE(sd_ctrls),
1292 .config = sd_config,
1293 .init = sd_init,
1294 .start = sd_start,
1295 .stopN = sd_stopN,
1296 .pkt_scan = sd_pkt_scan,
1297 .querymenu = sd_querymenu,
1298 .get_streamparm = sd_get_streamparm,
1299 .set_streamparm = sd_set_streamparm,
1300 };
1301
1302 /* -- module initialisation -- */
1303 static const struct usb_device_id device_table[] = {
1304 {USB_DEVICE(0x1415, 0x2000)},
1305 {}
1306 };
1307
1308 MODULE_DEVICE_TABLE(usb, device_table);
1309
1310 /* -- device connect -- */
1311 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1312 {
1313 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1314 THIS_MODULE);
1315 }
1316
1317 static struct usb_driver sd_driver = {
1318 .name = MODULE_NAME,
1319 .id_table = device_table,
1320 .probe = sd_probe,
1321 .disconnect = gspca_disconnect,
1322 #ifdef CONFIG_PM
1323 .suspend = gspca_suspend,
1324 .resume = gspca_resume,
1325 #endif
1326 };
1327
1328 /* -- module insert / remove -- */
1329 static int __init sd_mod_init(void)
1330 {
1331 return usb_register(&sd_driver);
1332 }
1333
1334 static void __exit sd_mod_exit(void)
1335 {
1336 usb_deregister(&sd_driver);
1337 }
1338
1339 module_init(sd_mod_init);
1340 module_exit(sd_mod_exit);
Linux with added FPC-III support