1 /* Driver for Philips webcam
2 Functions that send various control messages to the webcam, including
3 video modes.
4 (C) 1999-2003 Nemosoft Unv. (webcam@smcc.demon.nl)
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 /*
22 Changes
23 2001/08/03 Alvarado Added methods for changing white balance and
24 red/green gains
25 */
26
27 /* Control functions for the cam; brightness, contrast, video mode, etc. */
28
29 #ifdef __KERNEL__
30 #include <asm/uaccess.h>
31 #endif
32 #include <asm/errno.h>
33
34 #include "pwc.h"
35 #include "pwc-ioctl.h"
36 #include "pwc-uncompress.h"
37
38 /* Request types: video */
39 #define SET_LUM_CTL 0x01
40 #define GET_LUM_CTL 0x02
41 #define SET_CHROM_CTL 0x03
42 #define GET_CHROM_CTL 0x04
43 #define SET_STATUS_CTL 0x05
44 #define GET_STATUS_CTL 0x06
45 #define SET_EP_STREAM_CTL 0x07
46 #define GET_EP_STREAM_CTL 0x08
47
48 /* Selectors for the Luminance controls [GS]ET_LUM_CTL */
49 #define AGC_MODE_FORMATTER 0x2000
50 #define PRESET_AGC_FORMATTER 0x2100
51 #define SHUTTER_MODE_FORMATTER 0x2200
52 #define PRESET_SHUTTER_FORMATTER 0x2300
53 #define PRESET_CONTOUR_FORMATTER 0x2400
54 #define AUTO_CONTOUR_FORMATTER 0x2500
55 #define BACK_LIGHT_COMPENSATION_FORMATTER 0x2600
56 #define CONTRAST_FORMATTER 0x2700
57 #define DYNAMIC_NOISE_CONTROL_FORMATTER 0x2800
58 #define FLICKERLESS_MODE_FORMATTER 0x2900
59 #define AE_CONTROL_SPEED 0x2A00
60 #define BRIGHTNESS_FORMATTER 0x2B00
61 #define GAMMA_FORMATTER 0x2C00
62
63 /* Selectors for the Chrominance controls [GS]ET_CHROM_CTL */
64 #define WB_MODE_FORMATTER 0x1000
65 #define AWB_CONTROL_SPEED_FORMATTER 0x1100
66 #define AWB_CONTROL_DELAY_FORMATTER 0x1200
67 #define PRESET_MANUAL_RED_GAIN_FORMATTER 0x1300
68 #define PRESET_MANUAL_BLUE_GAIN_FORMATTER 0x1400
69 #define COLOUR_MODE_FORMATTER 0x1500
70 #define SATURATION_MODE_FORMATTER1 0x1600
71 #define SATURATION_MODE_FORMATTER2 0x1700
72
73 /* Selectors for the Status controls [GS]ET_STATUS_CTL */
74 #define SAVE_USER_DEFAULTS_FORMATTER 0x0200
75 #define RESTORE_USER_DEFAULTS_FORMATTER 0x0300
76 #define RESTORE_FACTORY_DEFAULTS_FORMATTER 0x0400
77 #define READ_AGC_FORMATTER 0x0500
78 #define READ_SHUTTER_FORMATTER 0x0600
79 #define READ_RED_GAIN_FORMATTER 0x0700
80 #define READ_BLUE_GAIN_FORMATTER 0x0800
81 #define SENSOR_TYPE_FORMATTER1 0x0C00
82 #define READ_RAW_Y_MEAN_FORMATTER 0x3100
83 #define SET_POWER_SAVE_MODE_FORMATTER 0x3200
84 #define MIRROR_IMAGE_FORMATTER 0x3300
85 #define LED_FORMATTER 0x3400
86 #define SENSOR_TYPE_FORMATTER2 0x3700
87
88 /* Formatters for the Video Endpoint controls [GS]ET_EP_STREAM_CTL */
89 #define VIDEO_OUTPUT_CONTROL_FORMATTER 0x0100
90
91 static char *size2name[PSZ_MAX] =
92 {
93 "subQCIF",
94 "QSIF",
95 "QCIF",
96 "SIF",
97 "CIF",
98 "VGA",
99 };
100
101 /********/
102
103 /* Entries for the Nala (645/646) camera; the Nala doesn't have compression
104 preferences, so you either get compressed or non-compressed streams.
105
106 An alternate value of 0 means this mode is not available at all.
107 */
108
109 struct Nala_table_entry {
110 char alternate; /* USB alternate setting */
111 int compressed; /* Compressed yes/no */
112
113 unsigned char mode[3]; /* precomputed mode table */
114 };
115
116 static struct Nala_table_entry Nala_table[PSZ_MAX][8] =
117 {
118 #include "pwc_nala.h"
119 };
120
121 /* This tables contains entries for the 675/680/690 (Timon) camera, with
122 4 different qualities (no compression, low, medium, high).
123 It lists the bandwidth requirements for said mode by its alternate interface
124 number. An alternate of 0 means that the mode is unavailable.
125
126 There are 6 * 4 * 4 entries:
127 6 different resolutions subqcif, qsif, qcif, sif, cif, vga
128 6 framerates: 5, 10, 15, 20, 25, 30
129 4 compression modi: none, low, medium, high
130
131 When an uncompressed mode is not available, the next available compressed mode
132 will be choosen (unless the decompressor is absent). Sometimes there are only
133 1 or 2 compressed modes available; in that case entries are duplicated.
134 */
135 struct Timon_table_entry
136 {
137 char alternate; /* USB alternate interface */
138 unsigned short packetsize; /* Normal packet size */
139 unsigned short bandlength; /* Bandlength when decompressing */
140 unsigned char mode[13]; /* precomputed mode settings for cam */
141 };
142
143 static struct Timon_table_entry Timon_table[PSZ_MAX][6][4] =
144 {
145 #include "pwc_timon.h"
146 };
147
148 /* Entries for the Kiara (730/740/750) camera */
149
150 struct Kiara_table_entry
151 {
152 char alternate; /* USB alternate interface */
153 unsigned short packetsize; /* Normal packet size */
154 unsigned short bandlength; /* Bandlength when decompressing */
155 unsigned char mode[12]; /* precomputed mode settings for cam */
156 };
157
158 static struct Kiara_table_entry Kiara_table[PSZ_MAX][6][4] =
159 {
160 #include "pwc_kiara.h"
161 };
162
163
164 /****************************************************************************/
165
166
167 #define SendControlMsg(request, value, buflen) \
168 usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0), \
169 request, \
170 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, \
171 value, \
172 pdev->vcinterface, \
173 &buf, buflen, HZ / 2)
174
175 #define RecvControlMsg(request, value, buflen) \
176 usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0), \
177 request, \
178 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, \
179 value, \
180 pdev->vcinterface, \
181 &buf, buflen, HZ / 2)
182
183
184 #if PWC_DEBUG
pwc_hexdump(void * p,int len)185 void pwc_hexdump(void *p, int len)
186 {
187 int i;
188 unsigned char *s;
189 char buf[100], *d;
190
191 s = (unsigned char *)p;
192 d = buf;
193 *d = '\0';
194 Debug("Doing hexdump @ %p, %d bytes.\n", p, len);
195 for (i = 0; i < len; i++) {
196 d += sprintf(d, "%02X ", *s++);
197 if ((i & 0xF) == 0xF) {
198 Debug("%s\n", buf);
199 d = buf;
200 *d = '\0';
201 }
202 }
203 if ((i & 0xF) != 0)
204 Debug("%s\n", buf);
205 }
206 #endif
207
send_video_command(struct usb_device * udev,int index,void * buf,int buflen)208 static inline int send_video_command(struct usb_device *udev, int index, void *buf, int buflen)
209 {
210 return usb_control_msg(udev,
211 usb_sndctrlpipe(udev, 0),
212 SET_EP_STREAM_CTL,
213 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
214 VIDEO_OUTPUT_CONTROL_FORMATTER,
215 index,
216 buf, buflen, HZ);
217 }
218
219
220
set_video_mode_Nala(struct pwc_device * pdev,int size,int frames)221 static inline int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
222 {
223 unsigned char buf[3];
224 int ret, fps;
225 struct Nala_table_entry *pEntry;
226 int frames2frames[31] =
227 { /* closest match of framerate */
228 0, 0, 0, 0, 4, /* 0-4 */
229 5, 5, 7, 7, 10, /* 5-9 */
230 10, 10, 12, 12, 15, /* 10-14 */
231 15, 15, 15, 20, 20, /* 15-19 */
232 20, 20, 20, 24, 24, /* 20-24 */
233 24, 24, 24, 24, 24, /* 25-29 */
234 24 /* 30 */
235 };
236 int frames2table[31] =
237 { 0, 0, 0, 0, 0, /* 0-4 */
238 1, 1, 1, 2, 2, /* 5-9 */
239 3, 3, 4, 4, 4, /* 10-14 */
240 5, 5, 5, 5, 5, /* 15-19 */
241 6, 6, 6, 6, 7, /* 20-24 */
242 7, 7, 7, 7, 7, /* 25-29 */
243 7 /* 30 */
244 };
245
246 if (size < 0 || size > PSZ_CIF || frames < 4 || frames > 25)
247 return -EINVAL;
248 frames = frames2frames[frames];
249 fps = frames2table[frames];
250 pEntry = &Nala_table[size][fps];
251 if (pEntry->alternate == 0)
252 return -EINVAL;
253
254 if (pEntry->compressed && pdev->decompressor == NULL)
255 return -ENOENT; /* Not supported. */
256
257 memcpy(buf, pEntry->mode, 3);
258 ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 3);
259 if (ret < 0) {
260 Debug("Failed to send video command... %d\n", ret);
261 return ret;
262 }
263 if (pEntry->compressed && pdev->decompressor != NULL)
264 pdev->decompressor->init(pdev->release, buf, pdev->decompress_data);
265
266 /* Set various parameters */
267 pdev->vframes = frames;
268 pdev->vsize = size;
269 pdev->valternate = pEntry->alternate;
270 pdev->image = pwc_image_sizes[size];
271 pdev->frame_size = (pdev->image.x * pdev->image.y * 3) / 2;
272 if (pEntry->compressed) {
273 if (pdev->release < 5) { /* 4 fold compression */
274 pdev->vbandlength = 528;
275 pdev->frame_size /= 4;
276 }
277 else {
278 pdev->vbandlength = 704;
279 pdev->frame_size /= 3;
280 }
281 }
282 else
283 pdev->vbandlength = 0;
284 return 0;
285 }
286
287
set_video_mode_Timon(struct pwc_device * pdev,int size,int frames,int compression,int snapshot)288 static inline int set_video_mode_Timon(struct pwc_device *pdev, int size, int frames, int compression, int snapshot)
289 {
290 unsigned char buf[13];
291 struct Timon_table_entry *pChoose;
292 int ret, fps;
293
294 if (size >= PSZ_MAX || frames < 5 || frames > 30 || compression < 0 || compression > 3)
295 return -EINVAL;
296 if (size == PSZ_VGA && frames > 15)
297 return -EINVAL;
298 fps = (frames / 5) - 1;
299
300 /* Find a supported framerate with progressively higher compression ratios
301 if the preferred ratio is not available.
302 */
303 pChoose = NULL;
304 if (pdev->decompressor == NULL) {
305 #if PWC_DEBUG
306 Debug("Trying to find uncompressed mode.\n");
307 #endif
308 pChoose = &Timon_table[size][fps][0];
309 }
310 else {
311 while (compression <= 3) {
312 pChoose = &Timon_table[size][fps][compression];
313 if (pChoose->alternate != 0)
314 break;
315 compression++;
316 }
317 }
318 if (pChoose == NULL || pChoose->alternate == 0)
319 return -ENOENT; /* Not supported. */
320
321 memcpy(buf, pChoose->mode, 13);
322 if (snapshot)
323 buf[0] |= 0x80;
324 ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 13);
325 if (ret < 0)
326 return ret;
327
328 if (pChoose->bandlength > 0)
329 pdev->decompressor->init(pdev->release, buf, pdev->decompress_data);
330
331 /* Set various parameters */
332 pdev->vframes = frames;
333 pdev->vsize = size;
334 pdev->vsnapshot = snapshot;
335 pdev->valternate = pChoose->alternate;
336 pdev->image = pwc_image_sizes[size];
337 pdev->vbandlength = pChoose->bandlength;
338 if (pChoose->bandlength > 0)
339 pdev->frame_size = (pChoose->bandlength * pdev->image.y) / 4;
340 else
341 pdev->frame_size = (pdev->image.x * pdev->image.y * 12) / 8;
342 return 0;
343 }
344
345
set_video_mode_Kiara(struct pwc_device * pdev,int size,int frames,int compression,int snapshot)346 static inline int set_video_mode_Kiara(struct pwc_device *pdev, int size, int frames, int compression, int snapshot)
347 {
348 struct Kiara_table_entry *pChoose;
349 int fps, ret;
350 unsigned char buf[12];
351
352 if (size >= PSZ_MAX || frames < 5 || frames > 30 || compression < 0 || compression > 3)
353 return -EINVAL;
354 if (size == PSZ_VGA && frames > 15)
355 return -EINVAL;
356 fps = (frames / 5) - 1;
357
358 /* Find a supported framerate with progressively higher compression ratios
359 if the preferred ratio is not available.
360 */
361 pChoose = NULL;
362 if (pdev->decompressor == NULL) {
363 #if PWC_DEBUG
364 Debug("Trying to find uncompressed mode.\n");
365 #endif
366 pChoose = &Kiara_table[size][fps][0];
367 }
368 else {
369 while (compression <= 3) {
370 pChoose = &Kiara_table[size][fps][compression];
371 if (pChoose->alternate != 0)
372 break;
373 compression++;
374 }
375 }
376 if (pChoose == NULL || pChoose->alternate == 0)
377 return -ENOENT; /* Not supported. */
378
379 /* usb_control_msg won't take staticly allocated arrays as argument?? */
380 memcpy(buf, pChoose->mode, 12);
381 if (snapshot)
382 buf[0] |= 0x80;
383
384 /* Firmware bug: video endpoint is 5, but commands are sent to endpoint 4 */
385 ret = send_video_command(pdev->udev, 4 /* pdev->vendpoint */, buf, 12);
386 if (ret < 0)
387 return ret;
388
389 if (pChoose->bandlength > 0)
390 pdev->decompressor->init(pdev->release, buf, pdev->decompress_data);
391
392 /* All set and go */
393 pdev->vframes = frames;
394 pdev->vsize = size;
395 pdev->vsnapshot = snapshot;
396 pdev->valternate = pChoose->alternate;
397 pdev->image = pwc_image_sizes[size];
398 pdev->vbandlength = pChoose->bandlength;
399 if (pChoose->bandlength > 0)
400 pdev->frame_size = (pChoose->bandlength * pdev->image.y) / 4;
401 else
402 pdev->frame_size = (pdev->image.x * pdev->image.y * 12) / 8;
403 pdev->frame_size += (pdev->frame_header_size + pdev->frame_trailer_size);
404 return 0;
405 }
406
407
408 /**
409 @pdev: device structure
410 @width: viewport width
411 @height: viewport height
412 @frame: framerate, in fps
413 @compression: preferred compression ratio
414 @snapshot: snapshot mode or streaming
415 */
pwc_set_video_mode(struct pwc_device * pdev,int width,int height,int frames,int compression,int snapshot)416 int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot)
417 {
418 int ret, size;
419
420 size = pwc_decode_size(pdev, width, height);
421 if (size < 0) {
422 Debug("Could not find suitable size.\n");
423 return -ERANGE;
424 }
425 ret = -EINVAL;
426 switch(pdev->type) {
427 case 645:
428 case 646:
429 ret = set_video_mode_Nala(pdev, size, frames);
430 break;
431
432 case 675:
433 case 680:
434 case 690:
435 ret = set_video_mode_Timon(pdev, size, frames, compression, snapshot);
436 break;
437
438 case 730:
439 case 740:
440 case 750:
441 ret = set_video_mode_Kiara(pdev, size, frames, compression, snapshot);
442 break;
443 }
444 if (ret < 0) {
445 if (ret == -ENOENT)
446 Info("Video mode %s@%d fps is only supported with the decompressor module (pwcx).\n", size2name[size], frames);
447 else {
448 Err("Failed to set video mode %s@%d fps; return code = %d\n", size2name[size], frames, ret);
449 }
450 return ret;
451 }
452 pdev->view.x = width;
453 pdev->view.y = height;
454 pwc_set_image_buffer_size(pdev);
455 Trace(TRACE_SIZE, "Set viewport to %dx%d, image size is %dx%d.\n", width, height, pwc_image_sizes[size].x, pwc_image_sizes[size].y);
456 return 0;
457 }
458
459
pwc_set_image_buffer_size(struct pwc_device * pdev)460 void pwc_set_image_buffer_size(struct pwc_device *pdev)
461 {
462 int factor, i, filler = 0;
463
464 /* for PALETTE_YUV420P */
465 factor = 6;
466 filler = 128;
467
468 /* Set sizes in bytes */
469 pdev->image.size = pdev->image.x * pdev->image.y * factor / 4;
470 pdev->view.size = pdev->view.x * pdev->view.y * factor / 4;
471
472 /* Align offset, or you'll get some very weird results in
473 YUV420 mode... x must be multiple of 4 (to get the Y's in
474 place), and y even (or you'll mixup U & V). This is less of a
475 problem for YUV420P.
476 */
477 pdev->offset.x = ((pdev->view.x - pdev->image.x) / 2) & 0xFFFC;
478 pdev->offset.y = ((pdev->view.y - pdev->image.y) / 2) & 0xFFFE;
479
480 /* Fill buffers with gray or black */
481 for (i = 0; i < MAX_IMAGES; i++) {
482 if (pdev->image_ptr[i] != NULL)
483 memset(pdev->image_ptr[i], filler, pdev->view.size);
484 }
485 }
486
487
488
489 /* BRIGHTNESS */
490
pwc_get_brightness(struct pwc_device * pdev)491 int pwc_get_brightness(struct pwc_device *pdev)
492 {
493 char buf;
494 int ret;
495
496 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
497 GET_LUM_CTL,
498 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
499 BRIGHTNESS_FORMATTER,
500 pdev->vcinterface,
501 &buf, 1, HZ / 2);
502 if (ret < 0)
503 return ret;
504 return buf << 9;
505 }
506
pwc_set_brightness(struct pwc_device * pdev,int value)507 int pwc_set_brightness(struct pwc_device *pdev, int value)
508 {
509 char buf;
510
511 if (value < 0)
512 value = 0;
513 if (value > 0xffff)
514 value = 0xffff;
515 buf = (value >> 9) & 0x7f;
516 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
517 SET_LUM_CTL,
518 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
519 BRIGHTNESS_FORMATTER,
520 pdev->vcinterface,
521 &buf, 1, HZ / 2);
522 }
523
524 /* CONTRAST */
525
pwc_get_contrast(struct pwc_device * pdev)526 int pwc_get_contrast(struct pwc_device *pdev)
527 {
528 char buf;
529 int ret;
530
531 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
532 GET_LUM_CTL,
533 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
534 CONTRAST_FORMATTER,
535 pdev->vcinterface,
536 &buf, 1, HZ / 2);
537 if (ret < 0)
538 return ret;
539 return buf << 10;
540 }
541
pwc_set_contrast(struct pwc_device * pdev,int value)542 int pwc_set_contrast(struct pwc_device *pdev, int value)
543 {
544 char buf;
545
546 if (value < 0)
547 value = 0;
548 if (value > 0xffff)
549 value = 0xffff;
550 buf = (value >> 10) & 0x3f;
551 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
552 SET_LUM_CTL,
553 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
554 CONTRAST_FORMATTER,
555 pdev->vcinterface,
556 &buf, 1, HZ / 2);
557 }
558
559 /* GAMMA */
560
pwc_get_gamma(struct pwc_device * pdev)561 int pwc_get_gamma(struct pwc_device *pdev)
562 {
563 char buf;
564 int ret;
565
566 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
567 GET_LUM_CTL,
568 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
569 GAMMA_FORMATTER,
570 pdev->vcinterface,
571 &buf, 1, HZ / 2);
572 if (ret < 0)
573 return ret;
574 return buf << 11;
575 }
576
pwc_set_gamma(struct pwc_device * pdev,int value)577 int pwc_set_gamma(struct pwc_device *pdev, int value)
578 {
579 char buf;
580
581 if (value < 0)
582 value = 0;
583 if (value > 0xffff)
584 value = 0xffff;
585 buf = (value >> 11) & 0x1f;
586 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
587 SET_LUM_CTL,
588 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
589 GAMMA_FORMATTER,
590 pdev->vcinterface,
591 &buf, 1, HZ / 2);
592 }
593
594
595 /* SATURATION */
596
pwc_get_saturation(struct pwc_device * pdev)597 int pwc_get_saturation(struct pwc_device *pdev)
598 {
599 char buf;
600 int ret;
601
602 if (pdev->type < 675)
603 return -1;
604 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
605 GET_CHROM_CTL,
606 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
607 pdev->type < 730 ? SATURATION_MODE_FORMATTER2 : SATURATION_MODE_FORMATTER1,
608 pdev->vcinterface,
609 &buf, 1, HZ / 2);
610 if (ret < 0)
611 return ret;
612 return 32768 + buf * 327;
613 }
614
pwc_set_saturation(struct pwc_device * pdev,int value)615 int pwc_set_saturation(struct pwc_device *pdev, int value)
616 {
617 char buf;
618
619 if (pdev->type < 675)
620 return -EINVAL;
621 if (value < 0)
622 value = 0;
623 if (value > 0xffff)
624 value = 0xffff;
625 /* saturation ranges from -100 to +100 */
626 buf = (value - 32768) / 327;
627 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
628 SET_CHROM_CTL,
629 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
630 pdev->type < 730 ? SATURATION_MODE_FORMATTER2 : SATURATION_MODE_FORMATTER1,
631 pdev->vcinterface,
632 &buf, 1, HZ / 2);
633 }
634
635 /* AGC */
636
pwc_set_agc(struct pwc_device * pdev,int mode,int value)637 static inline int pwc_set_agc(struct pwc_device *pdev, int mode, int value)
638 {
639 char buf;
640 int ret;
641
642 if (mode)
643 buf = 0x0; /* auto */
644 else
645 buf = 0xff; /* fixed */
646
647 ret = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
648 SET_LUM_CTL,
649 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
650 AGC_MODE_FORMATTER,
651 pdev->vcinterface,
652 &buf, 1, HZ / 2);
653
654 if (!mode && ret >= 0) {
655 if (value < 0)
656 value = 0;
657 if (value > 0xffff)
658 value = 0xffff;
659 buf = (value >> 10) & 0x3F;
660 ret = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
661 SET_LUM_CTL,
662 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
663 PRESET_AGC_FORMATTER,
664 pdev->vcinterface,
665 &buf, 1, HZ / 2);
666 }
667 if (ret < 0)
668 return ret;
669 return 0;
670 }
671
pwc_get_agc(struct pwc_device * pdev,int * value)672 static inline int pwc_get_agc(struct pwc_device *pdev, int *value)
673 {
674 unsigned char buf;
675 int ret;
676
677 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
678 GET_LUM_CTL,
679 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
680 AGC_MODE_FORMATTER,
681 pdev->vcinterface,
682 &buf, 1, HZ / 2);
683 if (ret < 0)
684 return ret;
685
686 if (buf != 0) { /* fixed */
687 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
688 GET_LUM_CTL,
689 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
690 PRESET_AGC_FORMATTER,
691 pdev->vcinterface,
692 &buf, 1, HZ / 2);
693 if (ret < 0)
694 return ret;
695 if (buf > 0x3F)
696 buf = 0x3F;
697 *value = (buf << 10);
698 }
699 else { /* auto */
700 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
701 GET_STATUS_CTL,
702 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
703 READ_AGC_FORMATTER,
704 pdev->vcinterface,
705 &buf, 1, HZ / 2);
706 if (ret < 0)
707 return ret;
708 /* Gah... this value ranges from 0x00 ... 0x9F */
709 if (buf > 0x9F)
710 buf = 0x9F;
711 *value = -(48 + buf * 409);
712 }
713
714 return 0;
715 }
716
pwc_set_shutter_speed(struct pwc_device * pdev,int mode,int value)717 static inline int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value)
718 {
719 char buf[2];
720 int speed, ret;
721
722
723 if (mode)
724 buf[0] = 0x0; /* auto */
725 else
726 buf[0] = 0xff; /* fixed */
727
728 ret = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
729 SET_LUM_CTL,
730 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
731 SHUTTER_MODE_FORMATTER,
732 pdev->vcinterface,
733 buf, 1, HZ / 2);
734
735 if (!mode && ret >= 0) {
736 if (value < 0)
737 value = 0;
738 if (value > 0xffff)
739 value = 0xffff;
740 switch(pdev->type) {
741 case 675:
742 case 680:
743 case 690:
744 /* speed ranges from 0x0 to 0x290 (656) */
745 speed = (value / 100);
746 buf[1] = speed >> 8;
747 buf[0] = speed & 0xff;
748 break;
749 case 730:
750 case 740:
751 case 750:
752 /* speed seems to range from 0x0 to 0xff */
753 buf[1] = 0;
754 buf[0] = value >> 8;
755 break;
756 }
757
758 ret = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
759 SET_LUM_CTL,
760 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
761 PRESET_SHUTTER_FORMATTER,
762 pdev->vcinterface,
763 &buf, 2, HZ / 2);
764 }
765 return ret;
766 }
767
768
769 /* POWER */
770
pwc_camera_power(struct pwc_device * pdev,int power)771 int pwc_camera_power(struct pwc_device *pdev, int power)
772 {
773 char buf;
774
775 if (pdev->type < 675 || (pdev->type < 730 && pdev->release < 6))
776 return 0; /* Not supported by Nala or Timon < release 6 */
777
778 if (power)
779 buf = 0x00; /* active */
780 else
781 buf = 0xFF; /* power save */
782 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
783 SET_STATUS_CTL,
784 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
785 SET_POWER_SAVE_MODE_FORMATTER,
786 pdev->vcinterface,
787 &buf, 1, HZ / 2);
788 }
789
790
791
792 /* private calls */
793
pwc_restore_user(struct pwc_device * pdev)794 static inline int pwc_restore_user(struct pwc_device *pdev)
795 {
796 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
797 SET_STATUS_CTL,
798 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
799 RESTORE_USER_DEFAULTS_FORMATTER,
800 pdev->vcinterface,
801 NULL, 0, HZ / 2);
802 }
803
pwc_save_user(struct pwc_device * pdev)804 static inline int pwc_save_user(struct pwc_device *pdev)
805 {
806 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
807 SET_STATUS_CTL,
808 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
809 SAVE_USER_DEFAULTS_FORMATTER,
810 pdev->vcinterface,
811 NULL, 0, HZ / 2);
812 }
813
pwc_restore_factory(struct pwc_device * pdev)814 static inline int pwc_restore_factory(struct pwc_device *pdev)
815 {
816 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
817 SET_STATUS_CTL,
818 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
819 RESTORE_FACTORY_DEFAULTS_FORMATTER,
820 pdev->vcinterface,
821 NULL, 0, HZ / 2);
822 }
823
824 /* ************************************************* */
825 /* Patch by Alvarado: (not in the original version */
826
827 /*
828 * the camera recognizes modes from 0 to 4:
829 *
830 * 00: indoor (incandescant lighting)
831 * 01: outdoor (sunlight)
832 * 02: fluorescent lighting
833 * 03: manual
834 * 04: auto
835 */
pwc_set_awb(struct pwc_device * pdev,int mode)836 static inline int pwc_set_awb(struct pwc_device *pdev, int mode)
837 {
838 char buf;
839 int ret;
840
841 if (mode < 0)
842 mode = 0;
843
844 if (mode > 4)
845 mode = 4;
846
847 buf = mode & 0x07; /* just the lowest three bits */
848
849 ret = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
850 SET_CHROM_CTL,
851 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
852 WB_MODE_FORMATTER,
853 pdev->vcinterface,
854 &buf, 1, HZ / 2);
855
856 if (ret < 0)
857 return ret;
858 return 0;
859 }
860
pwc_get_awb(struct pwc_device * pdev)861 static inline int pwc_get_awb(struct pwc_device *pdev)
862 {
863 unsigned char buf;
864 int ret;
865
866 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
867 GET_CHROM_CTL,
868 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
869 WB_MODE_FORMATTER,
870 pdev->vcinterface,
871 &buf, 1, HZ / 2);
872
873 if (ret < 0)
874 return ret;
875 return buf;
876 }
877
pwc_set_red_gain(struct pwc_device * pdev,int value)878 static inline int pwc_set_red_gain(struct pwc_device *pdev, int value)
879 {
880 unsigned char buf;
881
882 if (value < 0)
883 value = 0;
884 if (value > 0xffff)
885 value = 0xffff;
886
887 /* only the msb are considered */
888 buf = value >> 8;
889
890 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
891 SET_CHROM_CTL,
892 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
893 PRESET_MANUAL_RED_GAIN_FORMATTER,
894 pdev->vcinterface,
895 &buf, 1, HZ / 2);
896 }
897
pwc_get_red_gain(struct pwc_device * pdev)898 static inline int pwc_get_red_gain(struct pwc_device *pdev)
899 {
900 unsigned char buf;
901 int ret;
902
903 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
904 GET_CHROM_CTL,
905 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
906 PRESET_MANUAL_RED_GAIN_FORMATTER,
907 pdev->vcinterface,
908 &buf, 1, HZ / 2);
909
910 if (ret < 0)
911 return ret;
912
913 return (buf << 8);
914 }
915
916
pwc_set_blue_gain(struct pwc_device * pdev,int value)917 static inline int pwc_set_blue_gain(struct pwc_device *pdev, int value)
918 {
919 unsigned char buf;
920
921 if (value < 0)
922 value = 0;
923 if (value > 0xffff)
924 value = 0xffff;
925
926 /* linear mapping of 0..0xffff to -0x80..0x7f */
927 buf = (value >> 8);
928
929 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
930 SET_CHROM_CTL,
931 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
932 PRESET_MANUAL_BLUE_GAIN_FORMATTER,
933 pdev->vcinterface,
934 &buf, 1, HZ / 2);
935 }
936
pwc_get_blue_gain(struct pwc_device * pdev)937 static inline int pwc_get_blue_gain(struct pwc_device *pdev)
938 {
939 unsigned char buf;
940 int ret;
941
942 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
943 GET_CHROM_CTL,
944 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
945 PRESET_MANUAL_BLUE_GAIN_FORMATTER,
946 pdev->vcinterface,
947 &buf, 1, HZ / 2);
948
949 if (ret < 0)
950 return ret;
951
952 return (buf << 8);
953 }
954
955
956 /* The following two functions are different, since they only read the
957 internal red/blue gains, which may be different from the manual
958 gains set or read above.
959 */
pwc_read_red_gain(struct pwc_device * pdev)960 static inline int pwc_read_red_gain(struct pwc_device *pdev)
961 {
962 unsigned char buf;
963 int ret;
964
965 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
966 GET_STATUS_CTL,
967 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
968 READ_RED_GAIN_FORMATTER,
969 pdev->vcinterface,
970 &buf, 1, HZ / 2);
971
972 if (ret < 0)
973 return ret;
974
975 return (buf << 8);
976 }
977
pwc_read_blue_gain(struct pwc_device * pdev)978 static inline int pwc_read_blue_gain(struct pwc_device *pdev)
979 {
980 unsigned char buf;
981 int ret;
982
983 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
984 GET_STATUS_CTL,
985 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
986 READ_BLUE_GAIN_FORMATTER,
987 pdev->vcinterface,
988 &buf, 1, HZ / 2);
989
990 if (ret < 0)
991 return ret;
992
993 return (buf << 8);
994 }
995
996
pwc_set_wb_speed(struct pwc_device * pdev,int speed)997 static inline int pwc_set_wb_speed(struct pwc_device *pdev, int speed)
998 {
999 unsigned char buf;
1000
1001 /* useful range is 0x01..0x20 */
1002 buf = speed / 0x7f0;
1003 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
1004 SET_CHROM_CTL,
1005 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1006 AWB_CONTROL_SPEED_FORMATTER,
1007 pdev->vcinterface,
1008 &buf, 1, HZ / 2);
1009 }
1010
pwc_get_wb_speed(struct pwc_device * pdev)1011 static inline int pwc_get_wb_speed(struct pwc_device *pdev)
1012 {
1013 unsigned char buf;
1014 int ret;
1015
1016 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
1017 GET_CHROM_CTL,
1018 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1019 AWB_CONTROL_SPEED_FORMATTER,
1020 pdev->vcinterface,
1021 &buf, 1, HZ / 2);
1022 if (ret < 0)
1023 return ret;
1024 return (buf * 0x7f0);
1025 }
1026
1027
pwc_set_wb_delay(struct pwc_device * pdev,int delay)1028 static inline int pwc_set_wb_delay(struct pwc_device *pdev, int delay)
1029 {
1030 unsigned char buf;
1031
1032 /* useful range is 0x01..0x3F */
1033 buf = (delay >> 10);
1034 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
1035 SET_CHROM_CTL,
1036 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1037 AWB_CONTROL_DELAY_FORMATTER,
1038 pdev->vcinterface,
1039 &buf, 1, HZ / 2);
1040 }
1041
pwc_get_wb_delay(struct pwc_device * pdev)1042 static inline int pwc_get_wb_delay(struct pwc_device *pdev)
1043 {
1044 unsigned char buf;
1045 int ret;
1046
1047 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
1048 GET_CHROM_CTL,
1049 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1050 AWB_CONTROL_DELAY_FORMATTER,
1051 pdev->vcinterface,
1052 &buf, 1, HZ / 2);
1053 if (ret < 0)
1054 return ret;
1055 return (buf << 10);
1056 }
1057
1058
pwc_set_leds(struct pwc_device * pdev,int on_value,int off_value)1059 int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value)
1060 {
1061 unsigned char buf[2];
1062
1063 if (pdev->type < 730)
1064 return 0;
1065 on_value /= 100;
1066 off_value /= 100;
1067 if (on_value < 0)
1068 on_value = 0;
1069 if (on_value > 0xff)
1070 on_value = 0xff;
1071 if (off_value < 0)
1072 off_value = 0;
1073 if (off_value > 0xff)
1074 off_value = 0xff;
1075
1076 buf[0] = on_value;
1077 buf[1] = off_value;
1078
1079 return SendControlMsg(SET_STATUS_CTL, LED_FORMATTER, 2);
1080 }
1081
pwc_get_leds(struct pwc_device * pdev,int * on_value,int * off_value)1082 int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
1083 {
1084 unsigned char buf[2];
1085 int ret;
1086
1087 if (pdev->type < 730) {
1088 *on_value = -1;
1089 *off_value = -1;
1090 return 0;
1091 }
1092
1093 ret = RecvControlMsg(GET_STATUS_CTL, LED_FORMATTER, 2);
1094 if (ret < 0)
1095 return ret;
1096 *on_value = buf[0] * 100;
1097 *off_value = buf[1] * 100;
1098 return 0;
1099 }
1100
pwc_set_contour(struct pwc_device * pdev,int contour)1101 static inline int pwc_set_contour(struct pwc_device *pdev, int contour)
1102 {
1103 unsigned char buf;
1104 int ret;
1105
1106 if (contour < 0)
1107 buf = 0xff; /* auto contour on */
1108 else
1109 buf = 0x0; /* auto contour off */
1110 ret = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
1111 SET_LUM_CTL,
1112 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1113 AUTO_CONTOUR_FORMATTER,
1114 pdev->vcinterface,
1115 &buf, 1, HZ / 2);
1116 if (ret < 0)
1117 return ret;
1118
1119 if (contour < 0)
1120 return 0;
1121 if (contour > 0xffff)
1122 contour = 0xffff;
1123
1124 buf = (contour >> 10); /* contour preset is [0..3f] */
1125 ret = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
1126 SET_LUM_CTL,
1127 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1128 PRESET_CONTOUR_FORMATTER,
1129 pdev->vcinterface,
1130 &buf, 1, HZ / 2);
1131 if (ret < 0)
1132 return ret;
1133 return 0;
1134 }
1135
pwc_get_contour(struct pwc_device * pdev,int * contour)1136 static inline int pwc_get_contour(struct pwc_device *pdev, int *contour)
1137 {
1138 unsigned char buf;
1139 int ret;
1140
1141 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
1142 GET_LUM_CTL,
1143 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1144 AUTO_CONTOUR_FORMATTER,
1145 pdev->vcinterface,
1146 &buf, 1, HZ / 2);
1147 if (ret < 0)
1148 return ret;
1149
1150 if (buf == 0) {
1151 /* auto mode off, query current preset value */
1152 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
1153 GET_LUM_CTL,
1154 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1155 PRESET_CONTOUR_FORMATTER,
1156 pdev->vcinterface,
1157 &buf, 1, HZ / 2);
1158 if (ret < 0)
1159 return ret;
1160 *contour = (buf << 10);
1161 }
1162 else
1163 *contour = -1;
1164 return 0;
1165 }
1166
1167
pwc_set_backlight(struct pwc_device * pdev,int backlight)1168 static inline int pwc_set_backlight(struct pwc_device *pdev, int backlight)
1169 {
1170 unsigned char buf;
1171
1172 if (backlight)
1173 buf = 0xff;
1174 else
1175 buf = 0x0;
1176 return usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
1177 SET_LUM_CTL,
1178 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1179 BACK_LIGHT_COMPENSATION_FORMATTER,
1180 pdev->vcinterface,
1181 &buf, 1, HZ / 2);
1182 }
1183
pwc_get_backlight(struct pwc_device * pdev)1184 static inline int pwc_get_backlight(struct pwc_device *pdev)
1185 {
1186 int ret;
1187 unsigned char buf;
1188
1189 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
1190 GET_LUM_CTL,
1191 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1192 BACK_LIGHT_COMPENSATION_FORMATTER,
1193 pdev->vcinterface,
1194 &buf, 1, HZ / 2);
1195 if (ret < 0)
1196 return ret;
1197 return buf;
1198 }
1199
1200
pwc_set_flicker(struct pwc_device * pdev,int flicker)1201 static inline int pwc_set_flicker(struct pwc_device *pdev, int flicker)
1202 {
1203 unsigned char buf;
1204
1205 if (flicker)
1206 buf = 0xff;
1207 else
1208 buf = 0x0;
1209 return SendControlMsg(SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1);
1210 }
1211
pwc_get_flicker(struct pwc_device * pdev)1212 static inline int pwc_get_flicker(struct pwc_device *pdev)
1213 {
1214 int ret;
1215 unsigned char buf;
1216
1217 ret = RecvControlMsg(GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1);
1218 if (ret < 0)
1219 return ret;
1220 return buf;
1221 }
1222
1223
pwc_set_dynamic_noise(struct pwc_device * pdev,int noise)1224 static inline int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise)
1225 {
1226 unsigned char buf;
1227
1228 if (noise < 0)
1229 noise = 0;
1230 if (noise > 3)
1231 noise = 3;
1232 buf = noise;
1233 return SendControlMsg(SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1);
1234 }
1235
pwc_get_dynamic_noise(struct pwc_device * pdev)1236 static inline int pwc_get_dynamic_noise(struct pwc_device *pdev)
1237 {
1238 int ret;
1239 unsigned char buf;
1240
1241 ret = RecvControlMsg(GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1);
1242 if (ret < 0)
1243 return ret;
1244 return buf;
1245 }
1246
1247
pwc_get_cmos_sensor(struct pwc_device * pdev)1248 int pwc_get_cmos_sensor(struct pwc_device *pdev)
1249 {
1250 unsigned char buf;
1251 int ret = -1, request;
1252
1253 if (pdev->type < 675)
1254 request = SENSOR_TYPE_FORMATTER1;
1255 else if (pdev->type < 730)
1256 return -1; /* The Vesta series doesn't have this call */
1257 else
1258 request = SENSOR_TYPE_FORMATTER2;
1259
1260 ret = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
1261 GET_STATUS_CTL,
1262 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1263 request,
1264 pdev->vcinterface,
1265 &buf, 1, HZ / 2);
1266 if (ret < 0)
1267 return ret;
1268 if (pdev->type < 675)
1269 return buf | 0x100;
1270 else
1271 return buf;
1272 }
1273
1274
1275 /* End of Add-Ons */
1276 /* ************************************************* */
1277
pwc_ioctl(struct pwc_device * pdev,unsigned int cmd,void * arg)1278 int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
1279 {
1280 int ret = 0;
1281
1282 switch(cmd) {
1283 case VIDIOCPWCRUSER:
1284 {
1285 if (pwc_restore_user(pdev))
1286 ret = -EINVAL;
1287 break;
1288 }
1289
1290 case VIDIOCPWCSUSER:
1291 {
1292 if (pwc_save_user(pdev))
1293 ret = -EINVAL;
1294 break;
1295 }
1296
1297 case VIDIOCPWCFACTORY:
1298 {
1299 if (pwc_restore_factory(pdev))
1300 ret = -EINVAL;
1301 break;
1302 }
1303
1304 case VIDIOCPWCSCQUAL:
1305 {
1306 int qual;
1307
1308 if (copy_from_user(&qual, arg, sizeof(int)))
1309 ret = -EFAULT;
1310 else {
1311 if (qual < 0 || qual > 3)
1312 ret = -EINVAL;
1313 else
1314 ret = pwc_try_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, qual, pdev->vsnapshot);
1315 if (ret >= 0)
1316 pdev->vcompression = qual;
1317 }
1318 break;
1319 }
1320
1321 case VIDIOCPWCGCQUAL:
1322 {
1323 if (copy_to_user(arg, &pdev->vcompression, sizeof(int)))
1324 ret = -EFAULT;
1325 break;
1326 }
1327
1328 case VIDIOCPWCPROBE:
1329 {
1330 struct pwc_probe probe;
1331
1332 strcpy(probe.name, pdev->vdev.name);
1333 probe.type = pdev->type;
1334 if (copy_to_user(arg, &probe, sizeof(probe)))
1335 ret = -EFAULT;
1336 break;
1337 }
1338
1339 case VIDIOCPWCSAGC:
1340 {
1341 int agc;
1342
1343 if (copy_from_user(&agc, arg, sizeof(agc)))
1344 ret = -EFAULT;
1345 else {
1346 if (pwc_set_agc(pdev, agc < 0 ? 1 : 0, agc))
1347 ret = -EINVAL;
1348 }
1349 break;
1350 }
1351
1352 case VIDIOCPWCGAGC:
1353 {
1354 int agc;
1355
1356 if (pwc_get_agc(pdev, &agc))
1357 ret = -EINVAL;
1358 else
1359 if (copy_to_user(arg, &agc, sizeof(agc)))
1360 ret = -EFAULT;
1361 break;
1362 }
1363
1364 case VIDIOCPWCSSHUTTER:
1365 {
1366 int shutter_speed;
1367
1368 if (copy_from_user(&shutter_speed, arg, sizeof(shutter_speed)))
1369 ret = -EFAULT;
1370 else
1371 ret = pwc_set_shutter_speed(pdev, shutter_speed < 0 ? 1 : 0, shutter_speed);
1372 break;
1373 }
1374
1375 case VIDIOCPWCSAWB:
1376 {
1377 struct pwc_whitebalance wb;
1378
1379 if (copy_from_user(&wb, arg, sizeof(wb)))
1380 ret = -EFAULT;
1381 else {
1382 ret = pwc_set_awb(pdev, wb.mode);
1383 if (ret >= 0 && wb.mode == PWC_WB_MANUAL) {
1384 pwc_set_red_gain(pdev, wb.manual_red);
1385 pwc_set_blue_gain(pdev, wb.manual_blue);
1386 }
1387 }
1388 break;
1389 }
1390
1391 case VIDIOCPWCGAWB:
1392 {
1393 struct pwc_whitebalance wb;
1394
1395 memset(&wb, 0, sizeof(wb));
1396 wb.mode = pwc_get_awb(pdev);
1397 if (wb.mode < 0)
1398 ret = -EINVAL;
1399 else {
1400 if (wb.mode == PWC_WB_MANUAL) {
1401 wb.manual_red = pwc_get_red_gain(pdev);
1402 wb.manual_blue = pwc_get_blue_gain(pdev);
1403 }
1404 if (wb.mode == PWC_WB_AUTO) {
1405 wb.read_red = pwc_read_red_gain(pdev);
1406 wb.read_blue = pwc_read_blue_gain(pdev);
1407 }
1408 if (copy_to_user(arg, &wb, sizeof(wb)))
1409 ret= -EFAULT;
1410 }
1411 break;
1412 }
1413
1414 case VIDIOCPWCSAWBSPEED:
1415 {
1416 struct pwc_wb_speed wbs;
1417
1418 if (copy_from_user(&wbs, arg, sizeof(wbs)))
1419 ret = -EFAULT;
1420 else {
1421 if (wbs.control_speed > 0) {
1422 ret = pwc_set_wb_speed(pdev, wbs.control_speed);
1423 }
1424 if (wbs.control_delay > 0) {
1425 ret = pwc_set_wb_delay(pdev, wbs.control_delay);
1426 }
1427 }
1428 break;
1429 }
1430
1431 case VIDIOCPWCGAWBSPEED:
1432 {
1433 struct pwc_wb_speed wbs;
1434
1435 ret = pwc_get_wb_speed(pdev);
1436 if (ret < 0)
1437 break;
1438 wbs.control_speed = ret;
1439 ret = pwc_get_wb_delay(pdev);
1440 if (ret < 0)
1441 break;
1442 wbs.control_delay = ret;
1443 if (copy_to_user(arg, &wbs, sizeof(wbs)))
1444 ret = -EFAULT;
1445 break;
1446 }
1447
1448 case VIDIOCPWCSLED:
1449 {
1450 struct pwc_leds leds;
1451
1452 if (copy_from_user(&leds, arg, sizeof(leds)))
1453 ret = -EFAULT;
1454 else
1455 ret = pwc_set_leds(pdev, leds.led_on, leds.led_off);
1456 break;
1457 }
1458
1459
1460 case VIDIOCPWCGLED:
1461 {
1462 struct pwc_leds leds;
1463
1464 ret = pwc_get_leds(pdev, &leds.led_on, &leds.led_off);
1465 if (ret < 0)
1466 break;
1467 if (copy_to_user(arg, &leds, sizeof(leds)))
1468 ret = -EFAULT;
1469 break;
1470 }
1471
1472 case VIDIOCPWCSCONTOUR:
1473 {
1474 int contour;
1475
1476 if (copy_from_user(&contour, arg, sizeof(contour)))
1477 ret = -EFAULT;
1478 else
1479 ret = pwc_set_contour(pdev, contour);
1480 break;
1481 }
1482
1483 case VIDIOCPWCGCONTOUR:
1484 {
1485 int contour;
1486
1487 ret = pwc_get_contour(pdev, &contour);
1488 if (ret < 0)
1489 break;
1490
1491 if (copy_to_user(arg, &contour, sizeof(contour)))
1492 ret = -EFAULT;
1493 break;
1494 }
1495
1496 case VIDIOCPWCSBACKLIGHT:
1497 {
1498 int backlight;
1499
1500 if (copy_from_user(&backlight, arg, sizeof(backlight)))
1501 ret = -EFAULT;
1502 else
1503 ret = pwc_set_backlight(pdev, backlight);
1504 break;
1505 }
1506
1507 case VIDIOCPWCGBACKLIGHT:
1508 {
1509 ret = pwc_get_backlight(pdev);
1510 if (ret < 0)
1511 break;
1512 if (copy_to_user(arg, &ret, sizeof(ret)))
1513 ret = -EFAULT;
1514 break;
1515 }
1516
1517 case VIDIOCPWCSFLICKER:
1518 {
1519 int flicker;
1520
1521 if (copy_from_user(&flicker, arg, sizeof(flicker)))
1522 ret = -EFAULT;
1523 else
1524 ret = pwc_set_flicker(pdev, flicker);
1525 break;
1526 }
1527
1528 case VIDIOCPWCGFLICKER:
1529 {
1530 ret = pwc_get_flicker(pdev);
1531 if (ret < 0)
1532 break;
1533 if (copy_to_user(arg, &ret, sizeof(ret)))
1534 ret = -EFAULT;
1535 break;
1536 }
1537
1538 case VIDIOCPWCSDYNNOISE:
1539 {
1540 int dynnoise;
1541
1542 if (copy_from_user(&dynnoise, arg, sizeof(dynnoise)))
1543 ret = -EFAULT;
1544 else
1545 ret = pwc_set_dynamic_noise(pdev, dynnoise);
1546 break;
1547 }
1548
1549 case VIDIOCPWCGDYNNOISE:
1550 {
1551 ret = pwc_get_dynamic_noise(pdev);
1552 if (ret < 0)
1553 break;
1554 if (copy_to_user(arg, &ret, sizeof(ret)))
1555 ret = -EFAULT;
1556 break;
1557 }
1558
1559 case VIDIOCPWCGREALSIZE:
1560 {
1561 struct pwc_imagesize size;
1562
1563 size.width = pdev->image.x;
1564 size.height = pdev->image.y;
1565 if (copy_to_user(arg, &size, sizeof(size)))
1566 ret = -EFAULT;
1567 break;
1568 }
1569
1570 default:
1571 ret = -ENOIOCTLCMD;
1572 break;
1573 }
1574
1575 if (ret > 0)
1576 return 0;
1577 return ret;
1578 }
1579
1580
1581
1582