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path: root/drivers/media/video/gspca/ov534.c
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-rw-r--r--drivers/media/video/gspca/ov534.c820
1 files changed, 611 insertions, 209 deletions
diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c
index 3bf15e401693..19e0bc60de14 100644
--- a/drivers/media/video/gspca/ov534.c
+++ b/drivers/media/video/gspca/ov534.c
@@ -1,7 +1,8 @@
1/* 1/*
2 * ov534/ov772x gspca driver 2 * ov534 gspca driver
3 * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it> 3 * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
4 * Copyright (C) 2008 Jim Paris <jim@jtan.com> 4 * Copyright (C) 2008 Jim Paris <jim@jtan.com>
5 * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr
5 * 6 *
6 * Based on a prototype written by Mark Ferrell <majortrips@gmail.com> 7 * Based on a prototype written by Mark Ferrell <majortrips@gmail.com>
7 * USB protocol reverse engineered by Jim Paris <jim@jtan.com> 8 * USB protocol reverse engineered by Jim Paris <jim@jtan.com>
@@ -26,7 +27,7 @@
26 27
27#include "gspca.h" 28#include "gspca.h"
28 29
29#define OV534_REG_ADDRESS 0xf1 /* ? */ 30#define OV534_REG_ADDRESS 0xf1 /* sensor address */
30#define OV534_REG_SUBADDR 0xf2 31#define OV534_REG_SUBADDR 0xf2
31#define OV534_REG_WRITE 0xf3 32#define OV534_REG_WRITE 0xf3
32#define OV534_REG_READ 0xf4 33#define OV534_REG_READ 0xf4
@@ -46,9 +47,13 @@ MODULE_LICENSE("GPL");
46/* specific webcam descriptor */ 47/* specific webcam descriptor */
47struct sd { 48struct sd {
48 struct gspca_dev gspca_dev; /* !! must be the first item */ 49 struct gspca_dev gspca_dev; /* !! must be the first item */
49 __u32 last_fid;
50 __u32 last_pts; 50 __u32 last_pts;
51 int frame_rate; 51 u16 last_fid;
52 u8 frame_rate;
53
54 u8 sensor;
55#define SENSOR_OV772X 0
56#define SENSOR_OV965X 1
52}; 57};
53 58
54/* V4L2 controls supported by the driver */ 59/* V4L2 controls supported by the driver */
@@ -63,114 +68,7 @@ static const struct v4l2_pix_format vga_mode[] = {
63 .priv = 0}, 68 .priv = 0},
64}; 69};
65 70
66static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val) 71static const u8 bridge_init_ov722x[][2] = {
67{
68 struct usb_device *udev = gspca_dev->dev;
69 int ret;
70
71 PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val);
72 gspca_dev->usb_buf[0] = val;
73 ret = usb_control_msg(udev,
74 usb_sndctrlpipe(udev, 0),
75 0x1,
76 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
77 0x0, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
78 if (ret < 0)
79 PDEBUG(D_ERR, "write failed");
80}
81
82static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
83{
84 struct usb_device *udev = gspca_dev->dev;
85 int ret;
86
87 ret = usb_control_msg(udev,
88 usb_rcvctrlpipe(udev, 0),
89 0x1,
90 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
91 0x0, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
92 PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]);
93 if (ret < 0)
94 PDEBUG(D_ERR, "read failed");
95 return gspca_dev->usb_buf[0];
96}
97
98/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
99 * (direction and output)? */
100static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
101{
102 u8 data;
103
104 PDEBUG(D_CONF, "led status: %d", status);
105
106 data = ov534_reg_read(gspca_dev, 0x21);
107 data |= 0x80;
108 ov534_reg_write(gspca_dev, 0x21, data);
109
110 data = ov534_reg_read(gspca_dev, 0x23);
111 if (status)
112 data |= 0x80;
113 else
114 data &= ~(0x80);
115
116 ov534_reg_write(gspca_dev, 0x23, data);
117}
118
119static int sccb_check_status(struct gspca_dev *gspca_dev)
120{
121 u8 data;
122 int i;
123
124 for (i = 0; i < 5; i++) {
125 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
126
127 switch (data) {
128 case 0x00:
129 return 1;
130 case 0x04:
131 return 0;
132 case 0x03:
133 break;
134 default:
135 PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5",
136 data, i + 1);
137 }
138 }
139 return 0;
140}
141
142static void sccb_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
143{
144 PDEBUG(D_USBO, "reg: 0x%04x, val: 0x%02x", reg, val);
145 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
146 ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
147 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
148
149 if (!sccb_check_status(gspca_dev))
150 PDEBUG(D_ERR, "sccb_reg_write failed");
151}
152
153#ifdef GSPCA_DEBUG
154static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
155{
156 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
157 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
158 if (!sccb_check_status(gspca_dev))
159 PDEBUG(D_ERR, "sccb_reg_read failed 1");
160
161 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
162 if (!sccb_check_status(gspca_dev))
163 PDEBUG(D_ERR, "sccb_reg_read failed 2");
164
165 return ov534_reg_read(gspca_dev, OV534_REG_READ);
166}
167#endif
168
169static const __u8 ov534_reg_initdata[][2] = {
170 { 0xe7, 0x3a },
171
172 { OV534_REG_ADDRESS, 0x42 }, /* select OV772x sensor */
173
174 { 0xc2, 0x0c }, 72 { 0xc2, 0x0c },
175 { 0x88, 0xf8 }, 73 { 0x88, 0xf8 },
176 { 0xc3, 0x69 }, 74 { 0xc3, 0x69 },
@@ -228,7 +126,7 @@ static const __u8 ov534_reg_initdata[][2] = {
228 { 0xc2, 0x0c }, 126 { 0xc2, 0x0c },
229}; 127};
230 128
231static const __u8 ov772x_reg_initdata[][2] = { 129static const u8 sensor_init_ov722x[][2] = {
232 { 0x12, 0x80 }, 130 { 0x12, 0x80 },
233 { 0x11, 0x01 }, 131 { 0x11, 0x01 },
234 132
@@ -311,6 +209,456 @@ static const __u8 ov772x_reg_initdata[][2] = {
311 { 0x0c, 0xd0 } 209 { 0x0c, 0xd0 }
312}; 210};
313 211
212static const u8 bridge_init_ov965x[][2] = {
213 {0x88, 0xf8},
214 {0x89, 0xff},
215 {0x76, 0x03},
216 {0x92, 0x03},
217 {0x95, 0x10},
218 {0xe2, 0x00},
219 {0xe7, 0x3e},
220 {0x8d, 0x1c},
221 {0x8e, 0x00},
222 {0x8f, 0x00},
223 {0x1f, 0x00},
224 {0xc3, 0xf9},
225 {0x89, 0xff},
226 {0x88, 0xf8},
227 {0x76, 0x03},
228 {0x92, 0x01},
229 {0x93, 0x18},
230 {0x1c, 0x0a},
231 {0x1d, 0x48},
232 {0xc0, 0x50},
233 {0xc1, 0x3c},
234 {0x34, 0x05},
235 {0xc2, 0x0c},
236 {0xc3, 0xf9},
237 {0x34, 0x05},
238 {0xe7, 0x2e},
239 {0x31, 0xf9},
240 {0x35, 0x02},
241 {0xd9, 0x10},
242 {0x25, 0x42},
243 {0x94, 0x11},
244};
245
246static const u8 sensor_init_ov965x[][2] = {
247 {0x12, 0x80}, /* com7 - reset */
248 {0x00, 0x00}, /* gain */
249 {0x01, 0x80}, /* blue */
250 {0x02, 0x80}, /* red */
251 {0x03, 0x1b}, /* vref */
252 {0x04, 0x03}, /* com1 - exposure low bits */
253 {0x0b, 0x57}, /* ver */
254 {0x0e, 0x61}, /* com5 */
255 {0x0f, 0x42}, /* com6 */
256 {0x11, 0x00}, /* clkrc */
257 {0x12, 0x02}, /* com7 */
258 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
259 {0x14, 0x28}, /* com9 */
260 {0x16, 0x24}, /* rsvd16 */
261 {0x17, 0x1d}, /* hstart*/
262 {0x18, 0xbd}, /* hstop */
263 {0x19, 0x01}, /* vstrt */
264 {0x1a, 0x81}, /* vstop*/
265 {0x1e, 0x04}, /* mvfp */
266 {0x24, 0x3c}, /* aew */
267 {0x25, 0x36}, /* aeb */
268 {0x26, 0x71}, /* vpt */
269 {0x27, 0x08}, /* bbias */
270 {0x28, 0x08}, /* gbbias */
271 {0x29, 0x15}, /* gr com */
272 {0x2a, 0x00},
273 {0x2b, 0x00},
274 {0x2c, 0x08}, /* rbias */
275 {0x32, 0xff}, /* href */
276 {0x33, 0x00}, /* chlf */
277 {0x34, 0x3f}, /* arblm */
278 {0x35, 0x00}, /* rsvd35 */
279 {0x36, 0xf8}, /* rsvd36 */
280 {0x38, 0x72}, /* acom38 */
281 {0x39, 0x57}, /* ofon */
282 {0x3a, 0x80}, /* tslb */
283 {0x3b, 0xc4},
284 {0x3d, 0x99}, /* com13 */
285 {0x3f, 0xc1},
286 {0x40, 0xc0}, /* com15 */
287 {0x41, 0x40}, /* com16 */
288 {0x42, 0xc0},
289 {0x43, 0x0a},
290 {0x44, 0xf0},
291 {0x45, 0x46},
292 {0x46, 0x62},
293 {0x47, 0x2a},
294 {0x48, 0x3c},
295 {0x4a, 0xfc},
296 {0x4b, 0xfc},
297 {0x4c, 0x7f},
298 {0x4d, 0x7f},
299 {0x4e, 0x7f},
300 {0x4f, 0x98},
301 {0x50, 0x98},
302 {0x51, 0x00},
303 {0x52, 0x28},
304 {0x53, 0x70},
305 {0x54, 0x98},
306 {0x58, 0x1a},
307 {0x59, 0x85},
308 {0x5a, 0xa9},
309 {0x5b, 0x64},
310 {0x5c, 0x84},
311 {0x5d, 0x53},
312 {0x5e, 0x0e},
313 {0x5f, 0xf0},
314 {0x60, 0xf0},
315 {0x61, 0xf0},
316 {0x62, 0x00}, /* lcc1 */
317 {0x63, 0x00}, /* lcc2 */
318 {0x64, 0x02}, /* lcc3 */
319 {0x65, 0x16}, /* lcc4 */
320 {0x66, 0x01}, /* lcc5 */
321 {0x69, 0x02}, /* hv */
322 {0x6b, 0x5a}, /* dbvl */
323 {0x6c, 0x04},
324 {0x6d, 0x55},
325 {0x6e, 0x00},
326 {0x6f, 0x9d},
327 {0x70, 0x21},
328 {0x71, 0x78},
329 {0x72, 0x00},
330 {0x73, 0x01},
331 {0x74, 0x3a},
332 {0x75, 0x35},
333 {0x76, 0x01},
334 {0x77, 0x02},
335 {0x7a, 0x12},
336 {0x7b, 0x08},
337 {0x7c, 0x16},
338 {0x7d, 0x30},
339 {0x7e, 0x5e},
340 {0x7f, 0x72},
341 {0x80, 0x82},
342 {0x81, 0x8e},
343 {0x82, 0x9a},
344 {0x83, 0xa4},
345 {0x84, 0xac},
346 {0x85, 0xb8},
347 {0x86, 0xc3},
348 {0x87, 0xd6},
349 {0x88, 0xe6},
350 {0x89, 0xf2},
351 {0x8a, 0x03},
352 {0x8c, 0x89},
353 {0x14, 0x28}, /* com9 */
354 {0x90, 0x7d},
355 {0x91, 0x7b},
356 {0x9d, 0x03},
357 {0x9e, 0x04},
358 {0x9f, 0x7a},
359 {0xa0, 0x79},
360 {0xa1, 0x40}, /* aechm */
361 {0xa4, 0x50},
362 {0xa5, 0x68}, /* com26 */
363 {0xa6, 0x4a},
364 {0xa8, 0xc1}, /* acoma8 */
365 {0xa9, 0xef}, /* acoma9 */
366 {0xaa, 0x92},
367 {0xab, 0x04},
368 {0xac, 0x80},
369 {0xad, 0x80},
370 {0xae, 0x80},
371 {0xaf, 0x80},
372 {0xb2, 0xf2},
373 {0xb3, 0x20},
374 {0xb4, 0x20},
375 {0xb5, 0x00},
376 {0xb6, 0xaf},
377 {0xbb, 0xae},
378 {0xbc, 0x7f},
379 {0xdb, 0x7f},
380 {0xbe, 0x7f},
381 {0xbf, 0x7f},
382 {0xc0, 0xe2},
383 {0xc1, 0xc0},
384 {0xc2, 0x01},
385 {0xc3, 0x4e},
386 {0xc6, 0x85},
387 {0xc7, 0x80},
388 {0xc9, 0xe0},
389 {0xca, 0xe8},
390 {0xcb, 0xf0},
391 {0xcc, 0xd8},
392 {0xcd, 0xf1},
393 {0x4f, 0x98},
394 {0x50, 0x98},
395 {0x51, 0x00},
396 {0x52, 0x28},
397 {0x53, 0x70},
398 {0x54, 0x98},
399 {0x58, 0x1a},
400 {0xff, 0x41}, /* read 41, write ff 00 */
401 {0x41, 0x40}, /* com16 */
402 {0xc5, 0x03},
403 {0x6a, 0x02},
404
405 {0x12, 0x62}, /* com7 - VGA + CIF */
406 {0x36, 0xfa}, /* rsvd36 */
407 {0x69, 0x0a}, /* hv */
408 {0x8c, 0x89}, /* com22 */
409 {0x14, 0x28}, /* com9 */
410 {0x3e, 0x0c},
411 {0x41, 0x40}, /* com16 */
412 {0x72, 0x00},
413 {0x73, 0x00},
414 {0x74, 0x3a},
415 {0x75, 0x35},
416 {0x76, 0x01},
417 {0xc7, 0x80},
418 {0x03, 0x12}, /* vref */
419 {0x17, 0x16}, /* hstart */
420 {0x18, 0x02}, /* hstop */
421 {0x19, 0x01}, /* vstrt */
422 {0x1a, 0x3d}, /* vstop */
423 {0x32, 0xff}, /* href */
424 {0xc0, 0xaa},
425};
426
427static const u8 bridge_init_ov965x_2[][2] = {
428 {0x94, 0xaa},
429 {0xf1, 0x60},
430 {0xe5, 0x04},
431 {0xc0, 0x50},
432 {0xc1, 0x3c},
433 {0x8c, 0x00},
434 {0x8d, 0x1c},
435 {0x34, 0x05},
436
437 {0xc2, 0x0c},
438 {0xc3, 0xf9},
439 {0xda, 0x01},
440 {0x50, 0x00},
441 {0x51, 0xa0},
442 {0x52, 0x3c},
443 {0x53, 0x00},
444 {0x54, 0x00},
445 {0x55, 0x00},
446 {0x57, 0x00},
447 {0x5c, 0x00},
448 {0x5a, 0xa0},
449 {0x5b, 0x78},
450 {0x35, 0x02},
451 {0xd9, 0x10},
452 {0x94, 0x11},
453};
454
455static const u8 sensor_init_ov965x_2[][2] = {
456 {0x3b, 0xc4},
457 {0x1e, 0x04}, /* mvfp */
458 {0x13, 0xe0}, /* com8 */
459 {0x00, 0x00}, /* gain */
460 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
461 {0x11, 0x03}, /* clkrc */
462 {0x6b, 0x5a}, /* dblv */
463 {0x6a, 0x05},
464 {0xc5, 0x07},
465 {0xa2, 0x4b},
466 {0xa3, 0x3e},
467 {0x2d, 0x00},
468 {0xff, 0x42}, /* read 42, write ff 00 */
469 {0x42, 0xc0},
470 {0x2d, 0x00},
471 {0xff, 0x42}, /* read 42, write ff 00 */
472 {0x42, 0xc1},
473 {0x3f, 0x01},
474 {0xff, 0x42}, /* read 42, write ff 00 */
475 {0x42, 0xc1},
476 {0x4f, 0x98},
477 {0x50, 0x98},
478 {0x51, 0x00},
479 {0x52, 0x28},
480 {0x53, 0x70},
481 {0x54, 0x98},
482 {0x58, 0x1a},
483 {0xff, 0x41}, /* read 41, write ff 00 */
484 {0x41, 0x40}, /* com16 */
485 {0x56, 0x40},
486 {0x55, 0x8f},
487 {0x10, 0x25}, /* aech - exposure high bits */
488 {0xff, 0x13}, /* read 13, write ff 00 */
489 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
490};
491
492static const u8 bridge_start_ov965x[][2] = {
493 {0xc2, 0x4c},
494 {0xc3, 0xf9},
495 {0x50, 0x00},
496 {0x51, 0xa0},
497 {0x52, 0x78},
498 {0x53, 0x00},
499 {0x54, 0x00},
500 {0x55, 0x00},
501 {0x57, 0x00},
502 {0x5c, 0x00},
503 {0x5a, 0x28},
504 {0x5b, 0x1e},
505 {0x35, 0x00},
506 {0xd9, 0x21},
507 {0x94, 0x11},
508};
509
510static const u8 sensor_start_ov965x[][2] = {
511 {0x3b, 0xe4},
512 {0x1e, 0x04}, /* mvfp */
513 {0x13, 0xe0}, /* com8 */
514 {0x00, 0x00},
515 {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */
516 {0x11, 0x01}, /* clkrc */
517 {0x6b, 0x5a}, /* dblv */
518 {0x6a, 0x02},
519 {0xc5, 0x03},
520 {0xa2, 0x96},
521 {0xa3, 0x7d},
522 {0xff, 0x13}, /* read 13, write ff 00 */
523 {0x13, 0xe7},
524 {0x3a, 0x80},
525 {0xff, 0x42}, /* read 42, write ff 00 */
526 {0x42, 0xc1},
527};
528
529
530static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
531{
532 struct usb_device *udev = gspca_dev->dev;
533 int ret;
534
535 PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val);
536 gspca_dev->usb_buf[0] = val;
537 ret = usb_control_msg(udev,
538 usb_sndctrlpipe(udev, 0),
539 0x01,
540 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
541 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
542 if (ret < 0)
543 PDEBUG(D_ERR, "write failed");
544}
545
546static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
547{
548 struct usb_device *udev = gspca_dev->dev;
549 int ret;
550
551 ret = usb_control_msg(udev,
552 usb_rcvctrlpipe(udev, 0),
553 0x01,
554 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
555 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
556 PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]);
557 if (ret < 0)
558 PDEBUG(D_ERR, "read failed");
559 return gspca_dev->usb_buf[0];
560}
561
562/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
563 * (direction and output)? */
564static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
565{
566 u8 data;
567
568 PDEBUG(D_CONF, "led status: %d", status);
569
570 data = ov534_reg_read(gspca_dev, 0x21);
571 data |= 0x80;
572 ov534_reg_write(gspca_dev, 0x21, data);
573
574 data = ov534_reg_read(gspca_dev, 0x23);
575 if (status)
576 data |= 0x80;
577 else
578 data &= ~0x80;
579
580 ov534_reg_write(gspca_dev, 0x23, data);
581
582 if (!status) {
583 data = ov534_reg_read(gspca_dev, 0x21);
584 data &= ~0x80;
585 ov534_reg_write(gspca_dev, 0x21, data);
586 }
587}
588
589static int sccb_check_status(struct gspca_dev *gspca_dev)
590{
591 u8 data;
592 int i;
593
594 for (i = 0; i < 5; i++) {
595 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
596
597 switch (data) {
598 case 0x00:
599 return 1;
600 case 0x04:
601 return 0;
602 case 0x03:
603 break;
604 default:
605 PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5",
606 data, i + 1);
607 }
608 }
609 return 0;
610}
611
612static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
613{
614 PDEBUG(D_USBO, "reg: 0x%02x, val: 0x%02x", reg, val);
615 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
616 ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
617 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
618
619 if (!sccb_check_status(gspca_dev))
620 PDEBUG(D_ERR, "sccb_reg_write failed");
621}
622
623static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
624{
625 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
626 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
627 if (!sccb_check_status(gspca_dev))
628 PDEBUG(D_ERR, "sccb_reg_read failed 1");
629
630 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
631 if (!sccb_check_status(gspca_dev))
632 PDEBUG(D_ERR, "sccb_reg_read failed 2");
633
634 return ov534_reg_read(gspca_dev, OV534_REG_READ);
635}
636
637/* output a bridge sequence (reg - val) */
638static void reg_w_array(struct gspca_dev *gspca_dev,
639 const u8 (*data)[2], int len)
640{
641 while (--len >= 0) {
642 ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]);
643 data++;
644 }
645}
646
647/* output a sensor sequence (reg - val) */
648static void sccb_w_array(struct gspca_dev *gspca_dev,
649 const u8 (*data)[2], int len)
650{
651 while (--len >= 0) {
652 if ((*data)[0] != 0xff) {
653 sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]);
654 } else {
655 sccb_reg_read(gspca_dev, (*data)[1]);
656 sccb_reg_write(gspca_dev, 0xff, 0x00);
657 }
658 data++;
659 }
660}
661
314/* set framerate */ 662/* set framerate */
315static void ov534_set_frame_rate(struct gspca_dev *gspca_dev) 663static void ov534_set_frame_rate(struct gspca_dev *gspca_dev)
316{ 664{
@@ -346,40 +694,17 @@ static void ov534_set_frame_rate(struct gspca_dev *gspca_dev)
346 PDEBUG(D_PROBE, "frame_rate: %d", fr); 694 PDEBUG(D_PROBE, "frame_rate: %d", fr);
347} 695}
348 696
349/* setup method */
350static void ov534_setup(struct gspca_dev *gspca_dev)
351{
352 int i;
353
354 /* Initialize bridge chip */
355 for (i = 0; i < ARRAY_SIZE(ov534_reg_initdata); i++)
356 ov534_reg_write(gspca_dev, ov534_reg_initdata[i][0],
357 ov534_reg_initdata[i][1]);
358
359 PDEBUG(D_PROBE, "sensor is ov%02x%02x",
360 sccb_reg_read(gspca_dev, 0x0a),
361 sccb_reg_read(gspca_dev, 0x0b));
362
363 ov534_set_led(gspca_dev, 1);
364
365 /* Initialize sensor */
366 for (i = 0; i < ARRAY_SIZE(ov772x_reg_initdata); i++)
367 sccb_reg_write(gspca_dev, ov772x_reg_initdata[i][0],
368 ov772x_reg_initdata[i][1]);
369
370 ov534_reg_write(gspca_dev, 0xe0, 0x09);
371 ov534_set_led(gspca_dev, 0);
372}
373
374/* this function is called at probe time */ 697/* this function is called at probe time */
375static int sd_config(struct gspca_dev *gspca_dev, 698static int sd_config(struct gspca_dev *gspca_dev,
376 const struct usb_device_id *id) 699 const struct usb_device_id *id)
377{ 700{
701 struct sd *sd = (struct sd *) gspca_dev;
378 struct cam *cam; 702 struct cam *cam;
379 703
704 sd->sensor = id->driver_info;
705
380 cam = &gspca_dev->cam; 706 cam = &gspca_dev->cam;
381 707
382 cam->epaddr = 0x01;
383 cam->cam_mode = vga_mode; 708 cam->cam_mode = vga_mode;
384 cam->nmodes = ARRAY_SIZE(vga_mode); 709 cam->nmodes = ARRAY_SIZE(vga_mode);
385 710
@@ -392,26 +717,102 @@ static int sd_config(struct gspca_dev *gspca_dev,
392/* this function is called at probe and resume time */ 717/* this function is called at probe and resume time */
393static int sd_init(struct gspca_dev *gspca_dev) 718static int sd_init(struct gspca_dev *gspca_dev)
394{ 719{
395 ov534_setup(gspca_dev); 720 struct sd *sd = (struct sd *) gspca_dev;
396 ov534_set_frame_rate(gspca_dev); 721 u16 sensor_id;
722 static const u8 sensor_addr[2] = {
723 0x42, /* 0 SENSOR_OV772X */
724 0x60, /* 1 SENSOR_OV965X */
725 };
726
727 /* reset bridge */
728 ov534_reg_write(gspca_dev, 0xe7, 0x3a);
729 ov534_reg_write(gspca_dev, 0xe0, 0x08);
730 msleep(100);
731
732 /* initialize the sensor address */
733 ov534_reg_write(gspca_dev, OV534_REG_ADDRESS,
734 sensor_addr[sd->sensor]);
735
736 /* reset sensor */
737 sccb_reg_write(gspca_dev, 0x12, 0x80);
738 msleep(10);
739
740 /* probe the sensor */
741 sccb_reg_read(gspca_dev, 0x0a);
742 sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8;
743 sccb_reg_read(gspca_dev, 0x0b);
744 sensor_id |= sccb_reg_read(gspca_dev, 0x0b);
745 PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
746
747 /* initialize */
748 switch (sd->sensor) {
749 case SENSOR_OV772X:
750 reg_w_array(gspca_dev, bridge_init_ov722x,
751 ARRAY_SIZE(bridge_init_ov722x));
752 ov534_set_led(gspca_dev, 1);
753 sccb_w_array(gspca_dev, sensor_init_ov722x,
754 ARRAY_SIZE(sensor_init_ov722x));
755 ov534_reg_write(gspca_dev, 0xe0, 0x09);
756 ov534_set_led(gspca_dev, 0);
757 ov534_set_frame_rate(gspca_dev);
758 break;
759 default:
760/* case SENSOR_OV965X: */
761 reg_w_array(gspca_dev, bridge_init_ov965x,
762 ARRAY_SIZE(bridge_init_ov965x));
763 sccb_w_array(gspca_dev, sensor_init_ov965x,
764 ARRAY_SIZE(sensor_init_ov965x));
765 reg_w_array(gspca_dev, bridge_init_ov965x_2,
766 ARRAY_SIZE(bridge_init_ov965x_2));
767 sccb_w_array(gspca_dev, sensor_init_ov965x_2,
768 ARRAY_SIZE(sensor_init_ov965x_2));
769 ov534_reg_write(gspca_dev, 0xe0, 0x00);
770 ov534_reg_write(gspca_dev, 0xe0, 0x01);
771 ov534_set_led(gspca_dev, 0);
772 ov534_reg_write(gspca_dev, 0xe0, 0x00);
773 }
397 774
398 return 0; 775 return 0;
399} 776}
400 777
401static int sd_start(struct gspca_dev *gspca_dev) 778static int sd_start(struct gspca_dev *gspca_dev)
402{ 779{
403 /* start streaming data */ 780 struct sd *sd = (struct sd *) gspca_dev;
404 ov534_set_led(gspca_dev, 1);
405 ov534_reg_write(gspca_dev, 0xe0, 0x00);
406 781
782 switch (sd->sensor) {
783 case SENSOR_OV772X:
784 ov534_set_led(gspca_dev, 1);
785 ov534_reg_write(gspca_dev, 0xe0, 0x00);
786 break;
787 default:
788/* case SENSOR_OV965X: */
789 reg_w_array(gspca_dev, bridge_start_ov965x,
790 ARRAY_SIZE(bridge_start_ov965x));
791 sccb_w_array(gspca_dev, sensor_start_ov965x,
792 ARRAY_SIZE(sensor_start_ov965x));
793 ov534_reg_write(gspca_dev, 0xe0, 0x00);
794 ov534_set_led(gspca_dev, 1);
795/*fixme: other sensor start omitted*/
796 }
407 return 0; 797 return 0;
408} 798}
409 799
410static void sd_stopN(struct gspca_dev *gspca_dev) 800static void sd_stopN(struct gspca_dev *gspca_dev)
411{ 801{
412 /* stop streaming data */ 802 struct sd *sd = (struct sd *) gspca_dev;
413 ov534_reg_write(gspca_dev, 0xe0, 0x09); 803
414 ov534_set_led(gspca_dev, 0); 804 switch (sd->sensor) {
805 case SENSOR_OV772X:
806 ov534_reg_write(gspca_dev, 0xe0, 0x09);
807 ov534_set_led(gspca_dev, 0);
808 break;
809 default:
810/* case SENSOR_OV965X: */
811 ov534_reg_write(gspca_dev, 0xe0, 0x01);
812 ov534_set_led(gspca_dev, 0);
813 ov534_reg_write(gspca_dev, 0xe0, 0x00);
814 break;
815 }
415} 816}
416 817
417/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */ 818/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
@@ -429,75 +830,75 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame,
429{ 830{
430 struct sd *sd = (struct sd *) gspca_dev; 831 struct sd *sd = (struct sd *) gspca_dev;
431 __u32 this_pts; 832 __u32 this_pts;
432 int this_fid; 833 u16 this_fid;
433 int remaining_len = len; 834 int remaining_len = len;
434 __u8 *next_data = data;
435 835
436scan_next: 836 do {
437 if (remaining_len <= 0) 837 len = min(remaining_len, 2040); /*fixme: was 2048*/
438 return;
439
440 data = next_data;
441 len = min(remaining_len, 2048);
442 remaining_len -= len;
443 next_data += len;
444
445 /* Payloads are prefixed with a UVC-style header. We
446 consider a frame to start when the FID toggles, or the PTS
447 changes. A frame ends when EOF is set, and we've received
448 the correct number of bytes. */
449
450 /* Verify UVC header. Header length is always 12 */
451 if (data[0] != 12 || len < 12) {
452 PDEBUG(D_PACK, "bad header");
453 goto discard;
454 }
455
456 /* Check errors */
457 if (data[1] & UVC_STREAM_ERR) {
458 PDEBUG(D_PACK, "payload error");
459 goto discard;
460 }
461 838
462 /* Extract PTS and FID */ 839 /* Payloads are prefixed with a UVC-style header. We
463 if (!(data[1] & UVC_STREAM_PTS)) { 840 consider a frame to start when the FID toggles, or the PTS
464 PDEBUG(D_PACK, "PTS not present"); 841 changes. A frame ends when EOF is set, and we've received
465 goto discard; 842 the correct number of bytes. */
466 }
467 this_pts = (data[5] << 24) | (data[4] << 16) | (data[3] << 8) | data[2];
468 this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0;
469
470 /* If PTS or FID has changed, start a new frame. */
471 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
472 gspca_frame_add(gspca_dev, FIRST_PACKET, frame, NULL, 0);
473 sd->last_pts = this_pts;
474 sd->last_fid = this_fid;
475 }
476 843
477 /* Add the data from this payload */ 844 /* Verify UVC header. Header length is always 12 */
478 gspca_frame_add(gspca_dev, INTER_PACKET, frame, 845 if (data[0] != 12 || len < 12) {
479 data + 12, len - 12); 846 PDEBUG(D_PACK, "bad header");
847 goto discard;
848 }
480 849
481 /* If this packet is marked as EOF, end the frame */ 850 /* Check errors */
482 if (data[1] & UVC_STREAM_EOF) { 851 if (data[1] & UVC_STREAM_ERR) {
483 sd->last_pts = 0; 852 PDEBUG(D_PACK, "payload error");
853 goto discard;
854 }
484 855
485 if ((frame->data_end - frame->data) != 856 /* Extract PTS and FID */
486 (gspca_dev->width * gspca_dev->height * 2)) { 857 if (!(data[1] & UVC_STREAM_PTS)) {
487 PDEBUG(D_PACK, "short frame"); 858 PDEBUG(D_PACK, "PTS not present");
488 goto discard; 859 goto discard;
489 } 860 }
861 this_pts = (data[5] << 24) | (data[4] << 16)
862 | (data[3] << 8) | data[2];
863 this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0;
864
865 /* If PTS or FID has changed, start a new frame. */
866 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
867 gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
868 NULL, 0);
869 sd->last_pts = this_pts;
870 sd->last_fid = this_fid;
871 }
490 872
491 gspca_frame_add(gspca_dev, LAST_PACKET, frame, NULL, 0); 873 /* Add the data from this payload */
492 } 874 gspca_frame_add(gspca_dev, INTER_PACKET, frame,
875 data + 12, len - 12);
493 876
494 /* Done this payload */ 877 /* If this packet is marked as EOF, end the frame */
495 goto scan_next; 878 if (data[1] & UVC_STREAM_EOF) {
879 sd->last_pts = 0;
880
881 if (frame->data_end - frame->data !=
882 gspca_dev->width * gspca_dev->height * 2) {
883 PDEBUG(D_PACK, "short frame");
884 goto discard;
885 }
886
887 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
888 NULL, 0);
889 }
890
891 /* Done this payload */
892 goto scan_next;
496 893
497discard: 894discard:
498 /* Discard data until a new frame starts. */ 895 /* Discard data until a new frame starts. */
499 gspca_frame_add(gspca_dev, DISCARD_PACKET, frame, NULL, 0); 896 gspca_frame_add(gspca_dev, DISCARD_PACKET, frame, NULL, 0);
500 goto scan_next; 897
898scan_next:
899 remaining_len -= len;
900 data += len;
901 } while (remaining_len > 0);
501} 902}
502 903
503/* get stream parameters (framerate) */ 904/* get stream parameters (framerate) */
@@ -556,9 +957,8 @@ static const struct sd_desc sd_desc = {
556 957
557/* -- module initialisation -- */ 958/* -- module initialisation -- */
558static const __devinitdata struct usb_device_id device_table[] = { 959static const __devinitdata struct usb_device_id device_table[] = {
559 {USB_DEVICE(0x06f8, 0x3002)}, /* Hercules Blog Webcam */ 960 {USB_DEVICE(0x06f8, 0x3003), .driver_info = SENSOR_OV965X},
560 {USB_DEVICE(0x06f8, 0x3003)}, /* Hercules Dualpix HD Weblog */ 961 {USB_DEVICE(0x1415, 0x2000), .driver_info = SENSOR_OV772X},
561 {USB_DEVICE(0x1415, 0x2000)}, /* Sony HD Eye for PS3 (SLEH 00201) */
562 {} 962 {}
563}; 963};
564 964
@@ -585,8 +985,10 @@ static struct usb_driver sd_driver = {
585/* -- module insert / remove -- */ 985/* -- module insert / remove -- */
586static int __init sd_mod_init(void) 986static int __init sd_mod_init(void)
587{ 987{
588 if (usb_register(&sd_driver) < 0) 988 int ret;
589 return -1; 989 ret = usb_register(&sd_driver);
990 if (ret < 0)
991 return ret;
590 PDEBUG(D_PROBE, "registered"); 992 PDEBUG(D_PROBE, "registered");
591 return 0; 993 return 0;
592} 994}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-20 09:21:45 -0500