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[media] pwc: better usb disconnect handling
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / pwc / pwc-ctrl.c
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.
5 (C) 2004-2006 Luc Saillard (luc@saillard.org)
6
7 NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
8 driver and thus may have bugs that are not present in the original version.
9 Please send bug reports and support requests to <luc@saillard.org>.
10
11 NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx
12 driver and thus may have bugs that are not present in the original version.
13 Please send bug reports and support requests to <luc@saillard.org>.
14 The decompression routines have been implemented by reverse-engineering the
15 Nemosoft binary pwcx module. Caveat emptor.
16
17 This program is free software; you can redistribute it and/or modify
18 it under the terms of the GNU General Public License as published by
19 the Free Software Foundation; either version 2 of the License, or
20 (at your option) any later version.
21
22 This program is distributed in the hope that it will be useful,
23 but WITHOUT ANY WARRANTY; without even the implied warranty of
24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 GNU General Public License for more details.
26
27 You should have received a copy of the GNU General Public License
28 along with this program; if not, write to the Free Software
29 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 */
31
32 /*
33 Changes
34 2001/08/03 Alvarado Added methods for changing white balance and
35 red/green gains
36 */
37
38 /* Control functions for the cam; brightness, contrast, video mode, etc. */
39
40 #ifdef __KERNEL__
41 #include <asm/uaccess.h>
42 #endif
43 #include <asm/errno.h>
44
45 #include "pwc.h"
46 #include "pwc-uncompress.h"
47 #include "pwc-kiara.h"
48 #include "pwc-timon.h"
49 #include "pwc-dec1.h"
50 #include "pwc-dec23.h"
51
52 /* Request types: video */
53 #define SET_LUM_CTL 0x01
54 #define GET_LUM_CTL 0x02
55 #define SET_CHROM_CTL 0x03
56 #define GET_CHROM_CTL 0x04
57 #define SET_STATUS_CTL 0x05
58 #define GET_STATUS_CTL 0x06
59 #define SET_EP_STREAM_CTL 0x07
60 #define GET_EP_STREAM_CTL 0x08
61 #define GET_XX_CTL 0x09
62 #define SET_XX_CTL 0x0A
63 #define GET_XY_CTL 0x0B
64 #define SET_XY_CTL 0x0C
65 #define SET_MPT_CTL 0x0D
66 #define GET_MPT_CTL 0x0E
67
68 /* Selectors for the Luminance controls [GS]ET_LUM_CTL */
69 #define AGC_MODE_FORMATTER 0x2000
70 #define PRESET_AGC_FORMATTER 0x2100
71 #define SHUTTER_MODE_FORMATTER 0x2200
72 #define PRESET_SHUTTER_FORMATTER 0x2300
73 #define PRESET_CONTOUR_FORMATTER 0x2400
74 #define AUTO_CONTOUR_FORMATTER 0x2500
75 #define BACK_LIGHT_COMPENSATION_FORMATTER 0x2600
76 #define CONTRAST_FORMATTER 0x2700
77 #define DYNAMIC_NOISE_CONTROL_FORMATTER 0x2800
78 #define FLICKERLESS_MODE_FORMATTER 0x2900
79 #define AE_CONTROL_SPEED 0x2A00
80 #define BRIGHTNESS_FORMATTER 0x2B00
81 #define GAMMA_FORMATTER 0x2C00
82
83 /* Selectors for the Chrominance controls [GS]ET_CHROM_CTL */
84 #define WB_MODE_FORMATTER 0x1000
85 #define AWB_CONTROL_SPEED_FORMATTER 0x1100
86 #define AWB_CONTROL_DELAY_FORMATTER 0x1200
87 #define PRESET_MANUAL_RED_GAIN_FORMATTER 0x1300
88 #define PRESET_MANUAL_BLUE_GAIN_FORMATTER 0x1400
89 #define COLOUR_MODE_FORMATTER 0x1500
90 #define SATURATION_MODE_FORMATTER1 0x1600
91 #define SATURATION_MODE_FORMATTER2 0x1700
92
93 /* Selectors for the Status controls [GS]ET_STATUS_CTL */
94 #define SAVE_USER_DEFAULTS_FORMATTER 0x0200
95 #define RESTORE_USER_DEFAULTS_FORMATTER 0x0300
96 #define RESTORE_FACTORY_DEFAULTS_FORMATTER 0x0400
97 #define READ_AGC_FORMATTER 0x0500
98 #define READ_SHUTTER_FORMATTER 0x0600
99 #define READ_RED_GAIN_FORMATTER 0x0700
100 #define READ_BLUE_GAIN_FORMATTER 0x0800
101 #define GET_STATUS_B00 0x0B00
102 #define SENSOR_TYPE_FORMATTER1 0x0C00
103 #define GET_STATUS_3000 0x3000
104 #define READ_RAW_Y_MEAN_FORMATTER 0x3100
105 #define SET_POWER_SAVE_MODE_FORMATTER 0x3200
106 #define MIRROR_IMAGE_FORMATTER 0x3300
107 #define LED_FORMATTER 0x3400
108 #define LOWLIGHT 0x3500
109 #define GET_STATUS_3600 0x3600
110 #define SENSOR_TYPE_FORMATTER2 0x3700
111 #define GET_STATUS_3800 0x3800
112 #define GET_STATUS_4000 0x4000
113 #define GET_STATUS_4100 0x4100 /* Get */
114 #define CTL_STATUS_4200 0x4200 /* [GS] 1 */
115
116 /* Formatters for the Video Endpoint controls [GS]ET_EP_STREAM_CTL */
117 #define VIDEO_OUTPUT_CONTROL_FORMATTER 0x0100
118
119 /* Formatters for the motorized pan & tilt [GS]ET_MPT_CTL */
120 #define PT_RELATIVE_CONTROL_FORMATTER 0x01
121 #define PT_RESET_CONTROL_FORMATTER 0x02
122 #define PT_STATUS_FORMATTER 0x03
123
124 static const char *size2name[PSZ_MAX] =
125 {
126 "subQCIF",
127 "QSIF",
128 "QCIF",
129 "SIF",
130 "CIF",
131 "VGA",
132 };
133
134 /********/
135
136 /* Entries for the Nala (645/646) camera; the Nala doesn't have compression
137 preferences, so you either get compressed or non-compressed streams.
138
139 An alternate value of 0 means this mode is not available at all.
140 */
141
142 #define PWC_FPS_MAX_NALA 8
143
144 struct Nala_table_entry {
145 char alternate; /* USB alternate setting */
146 int compressed; /* Compressed yes/no */
147
148 unsigned char mode[3]; /* precomputed mode table */
149 };
150
151 static unsigned int Nala_fps_vector[PWC_FPS_MAX_NALA] = { 4, 5, 7, 10, 12, 15, 20, 24 };
152
153 static struct Nala_table_entry Nala_table[PSZ_MAX][PWC_FPS_MAX_NALA] =
154 {
155 #include "pwc-nala.h"
156 };
157
158 static void pwc_set_image_buffer_size(struct pwc_device *pdev);
159
160 /****************************************************************************/
161
162 static int _send_control_msg(struct pwc_device *pdev,
163 u8 request, u16 value, int index, void *buf, int buflen, int timeout)
164 {
165 int rc;
166 void *kbuf = NULL;
167
168 if (buflen) {
169 kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
170 if (kbuf == NULL)
171 return -ENOMEM;
172 memcpy(kbuf, buf, buflen);
173 }
174
175 rc = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
176 request,
177 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
178 value,
179 index,
180 kbuf, buflen, timeout);
181
182 kfree(kbuf);
183 return rc;
184 }
185
186 static int recv_control_msg(struct pwc_device *pdev,
187 u8 request, u16 value, void *buf, int buflen)
188 {
189 int rc;
190 void *kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
191
192 if (kbuf == NULL)
193 return -ENOMEM;
194
195 rc = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
196 request,
197 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
198 value,
199 pdev->vcinterface,
200 kbuf, buflen, 500);
201 memcpy(buf, kbuf, buflen);
202 kfree(kbuf);
203 return rc;
204 }
205
206 static inline int send_video_command(struct pwc_device *pdev,
207 int index, void *buf, int buflen)
208 {
209 return _send_control_msg(pdev,
210 SET_EP_STREAM_CTL,
211 VIDEO_OUTPUT_CONTROL_FORMATTER,
212 index,
213 buf, buflen, 1000);
214 }
215
216 static inline int send_control_msg(struct pwc_device *pdev,
217 u8 request, u16 value, void *buf, int buflen)
218 {
219 return _send_control_msg(pdev,
220 request, value, pdev->vcinterface, buf, buflen, 500);
221 }
222
223
224
225 static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
226 {
227 unsigned char buf[3];
228 int ret, fps;
229 struct Nala_table_entry *pEntry;
230 int frames2frames[31] =
231 { /* closest match of framerate */
232 0, 0, 0, 0, 4, /* 0-4 */
233 5, 5, 7, 7, 10, /* 5-9 */
234 10, 10, 12, 12, 15, /* 10-14 */
235 15, 15, 15, 20, 20, /* 15-19 */
236 20, 20, 20, 24, 24, /* 20-24 */
237 24, 24, 24, 24, 24, /* 25-29 */
238 24 /* 30 */
239 };
240 int frames2table[31] =
241 { 0, 0, 0, 0, 0, /* 0-4 */
242 1, 1, 1, 2, 2, /* 5-9 */
243 3, 3, 4, 4, 4, /* 10-14 */
244 5, 5, 5, 5, 5, /* 15-19 */
245 6, 6, 6, 6, 7, /* 20-24 */
246 7, 7, 7, 7, 7, /* 25-29 */
247 7 /* 30 */
248 };
249
250 if (size < 0 || size > PSZ_CIF || frames < 4 || frames > 25)
251 return -EINVAL;
252 frames = frames2frames[frames];
253 fps = frames2table[frames];
254 pEntry = &Nala_table[size][fps];
255 if (pEntry->alternate == 0)
256 return -EINVAL;
257
258 memcpy(buf, pEntry->mode, 3);
259 ret = send_video_command(pdev, pdev->vendpoint, buf, 3);
260 if (ret < 0) {
261 PWC_DEBUG_MODULE("Failed to send video command... %d\n", ret);
262 return ret;
263 }
264 if (pEntry->compressed && pdev->pixfmt == V4L2_PIX_FMT_YUV420)
265 pwc_dec1_init(pdev->type, pdev->release, buf, pdev->decompress_data);
266
267 pdev->cmd_len = 3;
268 memcpy(pdev->cmd_buf, buf, 3);
269
270 /* Set various parameters */
271 pdev->vframes = frames;
272 pdev->vsize = size;
273 pdev->valternate = pEntry->alternate;
274 pdev->image = pwc_image_sizes[size];
275 pdev->frame_size = (pdev->image.x * pdev->image.y * 3) / 2;
276 if (pEntry->compressed) {
277 if (pdev->release < 5) { /* 4 fold compression */
278 pdev->vbandlength = 528;
279 pdev->frame_size /= 4;
280 }
281 else {
282 pdev->vbandlength = 704;
283 pdev->frame_size /= 3;
284 }
285 }
286 else
287 pdev->vbandlength = 0;
288 return 0;
289 }
290
291
292 static int set_video_mode_Timon(struct pwc_device *pdev, int size, int frames, int compression, int snapshot)
293 {
294 unsigned char buf[13];
295 const struct Timon_table_entry *pChoose;
296 int ret, fps;
297
298 if (size >= PSZ_MAX || frames < 5 || frames > 30 || compression < 0 || compression > 3)
299 return -EINVAL;
300 if (size == PSZ_VGA && frames > 15)
301 return -EINVAL;
302 fps = (frames / 5) - 1;
303
304 /* Find a supported framerate with progressively higher compression ratios
305 if the preferred ratio is not available.
306 */
307 pChoose = NULL;
308 while (compression <= 3) {
309 pChoose = &Timon_table[size][fps][compression];
310 if (pChoose->alternate != 0)
311 break;
312 compression++;
313 }
314 if (pChoose == NULL || pChoose->alternate == 0)
315 return -ENOENT; /* Not supported. */
316
317 memcpy(buf, pChoose->mode, 13);
318 if (snapshot)
319 buf[0] |= 0x80;
320 ret = send_video_command(pdev, pdev->vendpoint, buf, 13);
321 if (ret < 0)
322 return ret;
323
324 if (pChoose->bandlength > 0 && pdev->pixfmt == V4L2_PIX_FMT_YUV420)
325 pwc_dec23_init(pdev, pdev->type, buf);
326
327 pdev->cmd_len = 13;
328 memcpy(pdev->cmd_buf, buf, 13);
329
330 /* Set various parameters */
331 pdev->vframes = frames;
332 pdev->vsize = size;
333 pdev->vsnapshot = snapshot;
334 pdev->valternate = pChoose->alternate;
335 pdev->image = pwc_image_sizes[size];
336 pdev->vbandlength = pChoose->bandlength;
337 if (pChoose->bandlength > 0)
338 pdev->frame_size = (pChoose->bandlength * pdev->image.y) / 4;
339 else
340 pdev->frame_size = (pdev->image.x * pdev->image.y * 12) / 8;
341 return 0;
342 }
343
344
345 static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int frames, int compression, int snapshot)
346 {
347 const struct Kiara_table_entry *pChoose = NULL;
348 int fps, ret;
349 unsigned char buf[12];
350 struct Kiara_table_entry RawEntry = {6, 773, 1272, {0xAD, 0xF4, 0x10, 0x27, 0xB6, 0x24, 0x96, 0x02, 0x30, 0x05, 0x03, 0x80}};
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 /* special case: VGA @ 5 fps and snapshot is raw bayer mode */
359 if (size == PSZ_VGA && frames == 5 && snapshot && pdev->pixfmt != V4L2_PIX_FMT_YUV420)
360 {
361 /* Only available in case the raw palette is selected or
362 we have the decompressor available. This mode is
363 only available in compressed form
364 */
365 PWC_DEBUG_SIZE("Choosing VGA/5 BAYER mode.\n");
366 pChoose = &RawEntry;
367 }
368 else
369 {
370 /* Find a supported framerate with progressively higher compression ratios
371 if the preferred ratio is not available.
372 Skip this step when using RAW modes.
373 */
374 snapshot = 0;
375 while (compression <= 3) {
376 pChoose = &Kiara_table[size][fps][compression];
377 if (pChoose->alternate != 0)
378 break;
379 compression++;
380 }
381 }
382 if (pChoose == NULL || pChoose->alternate == 0)
383 return -ENOENT; /* Not supported. */
384
385 PWC_TRACE("Using alternate setting %d.\n", pChoose->alternate);
386
387 /* usb_control_msg won't take staticly allocated arrays as argument?? */
388 memcpy(buf, pChoose->mode, 12);
389 if (snapshot)
390 buf[0] |= 0x80;
391
392 /* Firmware bug: video endpoint is 5, but commands are sent to endpoint 4 */
393 ret = send_video_command(pdev, 4 /* pdev->vendpoint */, buf, 12);
394 if (ret < 0)
395 return ret;
396
397 if (pChoose->bandlength > 0 && pdev->pixfmt == V4L2_PIX_FMT_YUV420)
398 pwc_dec23_init(pdev, pdev->type, buf);
399
400 pdev->cmd_len = 12;
401 memcpy(pdev->cmd_buf, buf, 12);
402 /* All set and go */
403 pdev->vframes = frames;
404 pdev->vsize = size;
405 pdev->vsnapshot = snapshot;
406 pdev->valternate = pChoose->alternate;
407 pdev->image = pwc_image_sizes[size];
408 pdev->vbandlength = pChoose->bandlength;
409 if (pdev->vbandlength > 0)
410 pdev->frame_size = (pdev->vbandlength * pdev->image.y) / 4;
411 else
412 pdev->frame_size = (pdev->image.x * pdev->image.y * 12) / 8;
413 PWC_TRACE("frame_size=%d, vframes=%d, vsize=%d, vsnapshot=%d, vbandlength=%d\n",
414 pdev->frame_size,pdev->vframes,pdev->vsize,pdev->vsnapshot,pdev->vbandlength);
415 return 0;
416 }
417
418
419
420 /**
421 @pdev: device structure
422 @width: viewport width
423 @height: viewport height
424 @frame: framerate, in fps
425 @compression: preferred compression ratio
426 @snapshot: snapshot mode or streaming
427 */
428 int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot)
429 {
430 int ret, size;
431
432 PWC_DEBUG_FLOW("set_video_mode(%dx%d @ %d, pixfmt %08x).\n", width, height, frames, pdev->pixfmt);
433 size = pwc_decode_size(pdev, width, height);
434 if (size < 0) {
435 PWC_DEBUG_MODULE("Could not find suitable size.\n");
436 return -ERANGE;
437 }
438 PWC_TRACE("decode_size = %d.\n", size);
439
440 if (DEVICE_USE_CODEC1(pdev->type)) {
441 ret = set_video_mode_Nala(pdev, size, frames);
442
443 } else if (DEVICE_USE_CODEC3(pdev->type)) {
444 ret = set_video_mode_Kiara(pdev, size, frames, compression, snapshot);
445
446 } else {
447 ret = set_video_mode_Timon(pdev, size, frames, compression, snapshot);
448 }
449 if (ret < 0) {
450 PWC_ERROR("Failed to set video mode %s@%d fps; return code = %d\n", size2name[size], frames, ret);
451 return ret;
452 }
453 pdev->view.x = width;
454 pdev->view.y = height;
455 pdev->frame_total_size = pdev->frame_size + pdev->frame_header_size + pdev->frame_trailer_size;
456 pwc_set_image_buffer_size(pdev);
457 PWC_DEBUG_SIZE("Set viewport to %dx%d, image size is %dx%d.\n", width, height, pwc_image_sizes[size].x, pwc_image_sizes[size].y);
458 return 0;
459 }
460
461 static unsigned int pwc_get_fps_Nala(struct pwc_device *pdev, unsigned int index, unsigned int size)
462 {
463 unsigned int i;
464
465 for (i = 0; i < PWC_FPS_MAX_NALA; i++) {
466 if (Nala_table[size][i].alternate) {
467 if (index--==0) return Nala_fps_vector[i];
468 }
469 }
470 return 0;
471 }
472
473 static unsigned int pwc_get_fps_Kiara(struct pwc_device *pdev, unsigned int index, unsigned int size)
474 {
475 unsigned int i;
476
477 for (i = 0; i < PWC_FPS_MAX_KIARA; i++) {
478 if (Kiara_table[size][i][3].alternate) {
479 if (index--==0) return Kiara_fps_vector[i];
480 }
481 }
482 return 0;
483 }
484
485 static unsigned int pwc_get_fps_Timon(struct pwc_device *pdev, unsigned int index, unsigned int size)
486 {
487 unsigned int i;
488
489 for (i=0; i < PWC_FPS_MAX_TIMON; i++) {
490 if (Timon_table[size][i][3].alternate) {
491 if (index--==0) return Timon_fps_vector[i];
492 }
493 }
494 return 0;
495 }
496
497 unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size)
498 {
499 unsigned int ret;
500
501 if (DEVICE_USE_CODEC1(pdev->type)) {
502 ret = pwc_get_fps_Nala(pdev, index, size);
503
504 } else if (DEVICE_USE_CODEC3(pdev->type)) {
505 ret = pwc_get_fps_Kiara(pdev, index, size);
506
507 } else {
508 ret = pwc_get_fps_Timon(pdev, index, size);
509 }
510
511 return ret;
512 }
513
514 #define BLACK_Y 0
515 #define BLACK_U 128
516 #define BLACK_V 128
517
518 static void pwc_set_image_buffer_size(struct pwc_device *pdev)
519 {
520 int i, factor = 0;
521
522 /* for V4L2_PIX_FMT_YUV420 */
523 switch (pdev->pixfmt) {
524 case V4L2_PIX_FMT_YUV420:
525 factor = 6;
526 break;
527 case V4L2_PIX_FMT_PWC1:
528 case V4L2_PIX_FMT_PWC2:
529 factor = 6; /* can be uncompressed YUV420P */
530 break;
531 }
532
533 /* Set sizes in bytes */
534 pdev->image.size = pdev->image.x * pdev->image.y * factor / 4;
535 pdev->view.size = pdev->view.x * pdev->view.y * factor / 4;
536
537 /* Align offset, or you'll get some very weird results in
538 YUV420 mode... x must be multiple of 4 (to get the Y's in
539 place), and y even (or you'll mixup U & V). This is less of a
540 problem for YUV420P.
541 */
542 pdev->offset.x = ((pdev->view.x - pdev->image.x) / 2) & 0xFFFC;
543 pdev->offset.y = ((pdev->view.y - pdev->image.y) / 2) & 0xFFFE;
544
545 /* Fill buffers with black colors */
546 for (i = 0; i < pwc_mbufs; i++) {
547 unsigned char *p = pdev->image_data + pdev->images[i].offset;
548 memset(p, BLACK_Y, pdev->view.x * pdev->view.y);
549 p += pdev->view.x * pdev->view.y;
550 memset(p, BLACK_U, pdev->view.x * pdev->view.y/4);
551 p += pdev->view.x * pdev->view.y/4;
552 memset(p, BLACK_V, pdev->view.x * pdev->view.y/4);
553 }
554 }
555
556
557
558 /* BRIGHTNESS */
559
560 int pwc_get_brightness(struct pwc_device *pdev)
561 {
562 char buf;
563 int ret;
564
565 ret = recv_control_msg(pdev,
566 GET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf));
567 if (ret < 0)
568 return ret;
569 return buf;
570 }
571
572 int pwc_set_brightness(struct pwc_device *pdev, int value)
573 {
574 char buf;
575
576 if (value < 0)
577 value = 0;
578 if (value > 0xffff)
579 value = 0xffff;
580 buf = (value >> 9) & 0x7f;
581 return send_control_msg(pdev,
582 SET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf));
583 }
584
585 /* CONTRAST */
586
587 int pwc_get_contrast(struct pwc_device *pdev)
588 {
589 char buf;
590 int ret;
591
592 ret = recv_control_msg(pdev,
593 GET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf));
594 if (ret < 0)
595 return ret;
596 return buf;
597 }
598
599 int pwc_set_contrast(struct pwc_device *pdev, int value)
600 {
601 char buf;
602
603 if (value < 0)
604 value = 0;
605 if (value > 0xffff)
606 value = 0xffff;
607 buf = (value >> 10) & 0x3f;
608 return send_control_msg(pdev,
609 SET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf));
610 }
611
612 /* GAMMA */
613
614 int pwc_get_gamma(struct pwc_device *pdev)
615 {
616 char buf;
617 int ret;
618
619 ret = recv_control_msg(pdev,
620 GET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf));
621 if (ret < 0)
622 return ret;
623 return buf;
624 }
625
626 int pwc_set_gamma(struct pwc_device *pdev, int value)
627 {
628 char buf;
629
630 if (value < 0)
631 value = 0;
632 if (value > 0xffff)
633 value = 0xffff;
634 buf = (value >> 11) & 0x1f;
635 return send_control_msg(pdev,
636 SET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf));
637 }
638
639
640 /* SATURATION */
641
642 /* return a value between [-100 , 100] */
643 int pwc_get_saturation(struct pwc_device *pdev, int *value)
644 {
645 char buf;
646 int ret, saturation_register;
647
648 if (pdev->type < 675)
649 return -EINVAL;
650 if (pdev->type < 730)
651 saturation_register = SATURATION_MODE_FORMATTER2;
652 else
653 saturation_register = SATURATION_MODE_FORMATTER1;
654 ret = recv_control_msg(pdev,
655 GET_CHROM_CTL, saturation_register, &buf, sizeof(buf));
656 if (ret < 0)
657 return ret;
658 *value = (signed)buf;
659 return 0;
660 }
661
662 /* @param value saturation color between [-100 , 100] */
663 int pwc_set_saturation(struct pwc_device *pdev, int value)
664 {
665 char buf;
666 int saturation_register;
667
668 if (pdev->type < 675)
669 return -EINVAL;
670 if (value < -100)
671 value = -100;
672 if (value > 100)
673 value = 100;
674 if (pdev->type < 730)
675 saturation_register = SATURATION_MODE_FORMATTER2;
676 else
677 saturation_register = SATURATION_MODE_FORMATTER1;
678 return send_control_msg(pdev,
679 SET_CHROM_CTL, saturation_register, &buf, sizeof(buf));
680 }
681
682 /* AGC */
683
684 int pwc_set_agc(struct pwc_device *pdev, int mode, int value)
685 {
686 char buf;
687 int ret;
688
689 if (mode)
690 buf = 0x0; /* auto */
691 else
692 buf = 0xff; /* fixed */
693
694 ret = send_control_msg(pdev,
695 SET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf));
696
697 if (!mode && ret >= 0) {
698 if (value < 0)
699 value = 0;
700 if (value > 0xffff)
701 value = 0xffff;
702 buf = (value >> 10) & 0x3F;
703 ret = send_control_msg(pdev,
704 SET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf));
705 }
706 if (ret < 0)
707 return ret;
708 return 0;
709 }
710
711 int pwc_get_agc(struct pwc_device *pdev, int *value)
712 {
713 unsigned char buf;
714 int ret;
715
716 ret = recv_control_msg(pdev,
717 GET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf));
718 if (ret < 0)
719 return ret;
720
721 if (buf != 0) { /* fixed */
722 ret = recv_control_msg(pdev,
723 GET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf));
724 if (ret < 0)
725 return ret;
726 if (buf > 0x3F)
727 buf = 0x3F;
728 *value = (buf << 10);
729 }
730 else { /* auto */
731 ret = recv_control_msg(pdev,
732 GET_STATUS_CTL, READ_AGC_FORMATTER, &buf, sizeof(buf));
733 if (ret < 0)
734 return ret;
735 /* Gah... this value ranges from 0x00 ... 0x9F */
736 if (buf > 0x9F)
737 buf = 0x9F;
738 *value = -(48 + buf * 409);
739 }
740
741 return 0;
742 }
743
744 int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value)
745 {
746 char buf[2];
747 int speed, ret;
748
749
750 if (mode)
751 buf[0] = 0x0; /* auto */
752 else
753 buf[0] = 0xff; /* fixed */
754
755 ret = send_control_msg(pdev,
756 SET_LUM_CTL, SHUTTER_MODE_FORMATTER, &buf, 1);
757
758 if (!mode && ret >= 0) {
759 if (value < 0)
760 value = 0;
761 if (value > 0xffff)
762 value = 0xffff;
763
764 if (DEVICE_USE_CODEC2(pdev->type)) {
765 /* speed ranges from 0x0 to 0x290 (656) */
766 speed = (value / 100);
767 buf[1] = speed >> 8;
768 buf[0] = speed & 0xff;
769 } else if (DEVICE_USE_CODEC3(pdev->type)) {
770 /* speed seems to range from 0x0 to 0xff */
771 buf[1] = 0;
772 buf[0] = value >> 8;
773 }
774
775 ret = send_control_msg(pdev,
776 SET_LUM_CTL, PRESET_SHUTTER_FORMATTER,
777 &buf, sizeof(buf));
778 }
779 return ret;
780 }
781
782 /* This function is not exported to v4l1, so output values between 0 -> 256 */
783 int pwc_get_shutter_speed(struct pwc_device *pdev, int *value)
784 {
785 unsigned char buf[2];
786 int ret;
787
788 ret = recv_control_msg(pdev,
789 GET_STATUS_CTL, READ_SHUTTER_FORMATTER, &buf, sizeof(buf));
790 if (ret < 0)
791 return ret;
792 *value = buf[0] + (buf[1] << 8);
793 if (DEVICE_USE_CODEC2(pdev->type)) {
794 /* speed ranges from 0x0 to 0x290 (656) */
795 *value *= 256/656;
796 } else if (DEVICE_USE_CODEC3(pdev->type)) {
797 /* speed seems to range from 0x0 to 0xff */
798 }
799 return 0;
800 }
801
802
803 /* POWER */
804
805 int pwc_camera_power(struct pwc_device *pdev, int power)
806 {
807 char buf;
808
809 if (pdev->type < 675 || (pdev->type < 730 && pdev->release < 6))
810 return 0; /* Not supported by Nala or Timon < release 6 */
811
812 if (power)
813 buf = 0x00; /* active */
814 else
815 buf = 0xFF; /* power save */
816 return send_control_msg(pdev,
817 SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER,
818 &buf, sizeof(buf));
819 }
820
821
822
823 /* private calls */
824
825 int pwc_restore_user(struct pwc_device *pdev)
826 {
827 return send_control_msg(pdev,
828 SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, NULL, 0);
829 }
830
831 int pwc_save_user(struct pwc_device *pdev)
832 {
833 return send_control_msg(pdev,
834 SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, NULL, 0);
835 }
836
837 int pwc_restore_factory(struct pwc_device *pdev)
838 {
839 return send_control_msg(pdev,
840 SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, NULL, 0);
841 }
842
843 /* ************************************************* */
844 /* Patch by Alvarado: (not in the original version */
845
846 /*
847 * the camera recognizes modes from 0 to 4:
848 *
849 * 00: indoor (incandescant lighting)
850 * 01: outdoor (sunlight)
851 * 02: fluorescent lighting
852 * 03: manual
853 * 04: auto
854 */
855 int pwc_set_awb(struct pwc_device *pdev, int mode)
856 {
857 char buf;
858 int ret;
859
860 if (mode < 0)
861 mode = 0;
862
863 if (mode > 4)
864 mode = 4;
865
866 buf = mode & 0x07; /* just the lowest three bits */
867
868 ret = send_control_msg(pdev,
869 SET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf));
870
871 if (ret < 0)
872 return ret;
873 return 0;
874 }
875
876 int pwc_get_awb(struct pwc_device *pdev)
877 {
878 unsigned char buf;
879 int ret;
880
881 ret = recv_control_msg(pdev,
882 GET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf));
883
884 if (ret < 0)
885 return ret;
886 return buf;
887 }
888
889 int pwc_set_red_gain(struct pwc_device *pdev, int value)
890 {
891 unsigned char buf;
892
893 if (value < 0)
894 value = 0;
895 if (value > 0xffff)
896 value = 0xffff;
897 /* only the msb is considered */
898 buf = value >> 8;
899 return send_control_msg(pdev,
900 SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER,
901 &buf, sizeof(buf));
902 }
903
904 int pwc_get_red_gain(struct pwc_device *pdev, int *value)
905 {
906 unsigned char buf;
907 int ret;
908
909 ret = recv_control_msg(pdev,
910 GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER,
911 &buf, sizeof(buf));
912 if (ret < 0)
913 return ret;
914 *value = buf << 8;
915 return 0;
916 }
917
918
919 int pwc_set_blue_gain(struct pwc_device *pdev, int value)
920 {
921 unsigned char buf;
922
923 if (value < 0)
924 value = 0;
925 if (value > 0xffff)
926 value = 0xffff;
927 /* only the msb is considered */
928 buf = value >> 8;
929 return send_control_msg(pdev,
930 SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER,
931 &buf, sizeof(buf));
932 }
933
934 int pwc_get_blue_gain(struct pwc_device *pdev, int *value)
935 {
936 unsigned char buf;
937 int ret;
938
939 ret = recv_control_msg(pdev,
940 GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER,
941 &buf, sizeof(buf));
942 if (ret < 0)
943 return ret;
944 *value = buf << 8;
945 return 0;
946 }
947
948
949 /* The following two functions are different, since they only read the
950 internal red/blue gains, which may be different from the manual
951 gains set or read above.
952 */
953 static int pwc_read_red_gain(struct pwc_device *pdev, int *value)
954 {
955 unsigned char buf;
956 int ret;
957
958 ret = recv_control_msg(pdev,
959 GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, &buf, sizeof(buf));
960 if (ret < 0)
961 return ret;
962 *value = buf << 8;
963 return 0;
964 }
965
966 static int pwc_read_blue_gain(struct pwc_device *pdev, int *value)
967 {
968 unsigned char buf;
969 int ret;
970
971 ret = recv_control_msg(pdev,
972 GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, &buf, sizeof(buf));
973 if (ret < 0)
974 return ret;
975 *value = buf << 8;
976 return 0;
977 }
978
979
980 static int pwc_set_wb_speed(struct pwc_device *pdev, int speed)
981 {
982 unsigned char buf;
983
984 /* useful range is 0x01..0x20 */
985 buf = speed / 0x7f0;
986 return send_control_msg(pdev,
987 SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf));
988 }
989
990 static int pwc_get_wb_speed(struct pwc_device *pdev, int *value)
991 {
992 unsigned char buf;
993 int ret;
994
995 ret = recv_control_msg(pdev,
996 GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf));
997 if (ret < 0)
998 return ret;
999 *value = buf * 0x7f0;
1000 return 0;
1001 }
1002
1003
1004 static int pwc_set_wb_delay(struct pwc_device *pdev, int delay)
1005 {
1006 unsigned char buf;
1007
1008 /* useful range is 0x01..0x3F */
1009 buf = (delay >> 10);
1010 return send_control_msg(pdev,
1011 SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf));
1012 }
1013
1014 static int pwc_get_wb_delay(struct pwc_device *pdev, int *value)
1015 {
1016 unsigned char buf;
1017 int ret;
1018
1019 ret = recv_control_msg(pdev,
1020 GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf));
1021 if (ret < 0)
1022 return ret;
1023 *value = buf << 10;
1024 return 0;
1025 }
1026
1027
1028 int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value)
1029 {
1030 unsigned char buf[2];
1031
1032 if (pdev->type < 730)
1033 return 0;
1034 on_value /= 100;
1035 off_value /= 100;
1036 if (on_value < 0)
1037 on_value = 0;
1038 if (on_value > 0xff)
1039 on_value = 0xff;
1040 if (off_value < 0)
1041 off_value = 0;
1042 if (off_value > 0xff)
1043 off_value = 0xff;
1044
1045 buf[0] = on_value;
1046 buf[1] = off_value;
1047
1048 return send_control_msg(pdev,
1049 SET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf));
1050 }
1051
1052 static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
1053 {
1054 unsigned char buf[2];
1055 int ret;
1056
1057 if (pdev->type < 730) {
1058 *on_value = -1;
1059 *off_value = -1;
1060 return 0;
1061 }
1062
1063 ret = recv_control_msg(pdev,
1064 GET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf));
1065 if (ret < 0)
1066 return ret;
1067 *on_value = buf[0] * 100;
1068 *off_value = buf[1] * 100;
1069 return 0;
1070 }
1071
1072 int pwc_set_contour(struct pwc_device *pdev, int contour)
1073 {
1074 unsigned char buf;
1075 int ret;
1076
1077 if (contour < 0)
1078 buf = 0xff; /* auto contour on */
1079 else
1080 buf = 0x0; /* auto contour off */
1081 ret = send_control_msg(pdev,
1082 SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf));
1083 if (ret < 0)
1084 return ret;
1085
1086 if (contour < 0)
1087 return 0;
1088 if (contour > 0xffff)
1089 contour = 0xffff;
1090
1091 buf = (contour >> 10); /* contour preset is [0..3f] */
1092 ret = send_control_msg(pdev,
1093 SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, &buf, sizeof(buf));
1094 if (ret < 0)
1095 return ret;
1096 return 0;
1097 }
1098
1099 int pwc_get_contour(struct pwc_device *pdev, int *contour)
1100 {
1101 unsigned char buf;
1102 int ret;
1103
1104 ret = recv_control_msg(pdev,
1105 GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf));
1106 if (ret < 0)
1107 return ret;
1108
1109 if (buf == 0) {
1110 /* auto mode off, query current preset value */
1111 ret = recv_control_msg(pdev,
1112 GET_LUM_CTL, PRESET_CONTOUR_FORMATTER,
1113 &buf, sizeof(buf));
1114 if (ret < 0)
1115 return ret;
1116 *contour = buf << 10;
1117 }
1118 else
1119 *contour = -1;
1120 return 0;
1121 }
1122
1123
1124 int pwc_set_backlight(struct pwc_device *pdev, int backlight)
1125 {
1126 unsigned char buf;
1127
1128 if (backlight)
1129 buf = 0xff;
1130 else
1131 buf = 0x0;
1132 return send_control_msg(pdev,
1133 SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER,
1134 &buf, sizeof(buf));
1135 }
1136
1137 int pwc_get_backlight(struct pwc_device *pdev, int *backlight)
1138 {
1139 int ret;
1140 unsigned char buf;
1141
1142 ret = recv_control_msg(pdev,
1143 GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER,
1144 &buf, sizeof(buf));
1145 if (ret < 0)
1146 return ret;
1147 *backlight = !!buf;
1148 return 0;
1149 }
1150
1151 int pwc_set_colour_mode(struct pwc_device *pdev, int colour)
1152 {
1153 unsigned char buf;
1154
1155 if (colour)
1156 buf = 0xff;
1157 else
1158 buf = 0x0;
1159 return send_control_msg(pdev,
1160 SET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf));
1161 }
1162
1163 int pwc_get_colour_mode(struct pwc_device *pdev, int *colour)
1164 {
1165 int ret;
1166 unsigned char buf;
1167
1168 ret = recv_control_msg(pdev,
1169 GET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf));
1170 if (ret < 0)
1171 return ret;
1172 *colour = !!buf;
1173 return 0;
1174 }
1175
1176
1177 int pwc_set_flicker(struct pwc_device *pdev, int flicker)
1178 {
1179 unsigned char buf;
1180
1181 if (flicker)
1182 buf = 0xff;
1183 else
1184 buf = 0x0;
1185 return send_control_msg(pdev,
1186 SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf));
1187 }
1188
1189 int pwc_get_flicker(struct pwc_device *pdev, int *flicker)
1190 {
1191 int ret;
1192 unsigned char buf;
1193
1194 ret = recv_control_msg(pdev,
1195 GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf));
1196 if (ret < 0)
1197 return ret;
1198 *flicker = !!buf;
1199 return 0;
1200 }
1201
1202 int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise)
1203 {
1204 unsigned char buf;
1205
1206 if (noise < 0)
1207 noise = 0;
1208 if (noise > 3)
1209 noise = 3;
1210 buf = noise;
1211 return send_control_msg(pdev,
1212 SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER,
1213 &buf, sizeof(buf));
1214 }
1215
1216 int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise)
1217 {
1218 int ret;
1219 unsigned char buf;
1220
1221 ret = recv_control_msg(pdev,
1222 GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER,
1223 &buf, sizeof(buf));
1224 if (ret < 0)
1225 return ret;
1226 *noise = buf;
1227 return 0;
1228 }
1229
1230 static int _pwc_mpt_reset(struct pwc_device *pdev, int flags)
1231 {
1232 unsigned char buf;
1233
1234 buf = flags & 0x03; // only lower two bits are currently used
1235 return send_control_msg(pdev,
1236 SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, &buf, sizeof(buf));
1237 }
1238
1239 int pwc_mpt_reset(struct pwc_device *pdev, int flags)
1240 {
1241 int ret;
1242 ret = _pwc_mpt_reset(pdev, flags);
1243 if (ret >= 0) {
1244 pdev->pan_angle = 0;
1245 pdev->tilt_angle = 0;
1246 }
1247 return ret;
1248 }
1249
1250 static int _pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
1251 {
1252 unsigned char buf[4];
1253
1254 /* set new relative angle; angles are expressed in degrees * 100,
1255 but cam as .5 degree resolution, hence divide by 200. Also
1256 the angle must be multiplied by 64 before it's send to
1257 the cam (??)
1258 */
1259 pan = 64 * pan / 100;
1260 tilt = -64 * tilt / 100; /* positive tilt is down, which is not what the user would expect */
1261 buf[0] = pan & 0xFF;
1262 buf[1] = (pan >> 8) & 0xFF;
1263 buf[2] = tilt & 0xFF;
1264 buf[3] = (tilt >> 8) & 0xFF;
1265 return send_control_msg(pdev,
1266 SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, &buf, sizeof(buf));
1267 }
1268
1269 int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
1270 {
1271 int ret;
1272
1273 /* check absolute ranges */
1274 if (pan < pdev->angle_range.pan_min ||
1275 pan > pdev->angle_range.pan_max ||
1276 tilt < pdev->angle_range.tilt_min ||
1277 tilt > pdev->angle_range.tilt_max)
1278 return -ERANGE;
1279
1280 /* go to relative range, check again */
1281 pan -= pdev->pan_angle;
1282 tilt -= pdev->tilt_angle;
1283 /* angles are specified in degrees * 100, thus the limit = 36000 */
1284 if (pan < -36000 || pan > 36000 || tilt < -36000 || tilt > 36000)
1285 return -ERANGE;
1286
1287 ret = _pwc_mpt_set_angle(pdev, pan, tilt);
1288 if (ret >= 0) {
1289 pdev->pan_angle += pan;
1290 pdev->tilt_angle += tilt;
1291 }
1292 if (ret == -EPIPE) /* stall -> out of range */
1293 ret = -ERANGE;
1294 return ret;
1295 }
1296
1297 static int pwc_mpt_get_status(struct pwc_device *pdev, struct pwc_mpt_status *status)
1298 {
1299 int ret;
1300 unsigned char buf[5];
1301
1302 ret = recv_control_msg(pdev,
1303 GET_MPT_CTL, PT_STATUS_FORMATTER, &buf, sizeof(buf));
1304 if (ret < 0)
1305 return ret;
1306 status->status = buf[0] & 0x7; // 3 bits are used for reporting
1307 status->time_pan = (buf[1] << 8) + buf[2];
1308 status->time_tilt = (buf[3] << 8) + buf[4];
1309 return 0;
1310 }
1311
1312
1313 int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor)
1314 {
1315 unsigned char buf;
1316 int ret = -1, request;
1317
1318 if (pdev->type < 675)
1319 request = SENSOR_TYPE_FORMATTER1;
1320 else if (pdev->type < 730)
1321 return -1; /* The Vesta series doesn't have this call */
1322 else
1323 request = SENSOR_TYPE_FORMATTER2;
1324
1325 ret = recv_control_msg(pdev,
1326 GET_STATUS_CTL, request, &buf, sizeof(buf));
1327 if (ret < 0)
1328 return ret;
1329 if (pdev->type < 675)
1330 *sensor = buf | 0x100;
1331 else
1332 *sensor = buf;
1333 return 0;
1334 }
1335
1336
1337 /* End of Add-Ons */
1338 /* ************************************************* */
1339
1340 /* Linux 2.5.something and 2.6 pass direct pointers to arguments of
1341 ioctl() calls. With 2.4, you have to do tedious copy_from_user()
1342 and copy_to_user() calls. With these macros we circumvent this,
1343 and let me maintain only one source file. The functionality is
1344 exactly the same otherwise.
1345 */
1346
1347 /* define local variable for arg */
1348 #define ARG_DEF(ARG_type, ARG_name)\
1349 ARG_type *ARG_name = arg;
1350 /* copy arg to local variable */
1351 #define ARG_IN(ARG_name) /* nothing */
1352 /* argument itself (referenced) */
1353 #define ARGR(ARG_name) (*ARG_name)
1354 /* argument address */
1355 #define ARGA(ARG_name) ARG_name
1356 /* copy local variable to arg */
1357 #define ARG_OUT(ARG_name) /* nothing */
1358
1359 long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
1360 {
1361 long ret = 0;
1362
1363 switch(cmd) {
1364 case VIDIOCPWCRUSER:
1365 {
1366 if (pwc_restore_user(pdev))
1367 ret = -EINVAL;
1368 break;
1369 }
1370
1371 case VIDIOCPWCSUSER:
1372 {
1373 if (pwc_save_user(pdev))
1374 ret = -EINVAL;
1375 break;
1376 }
1377
1378 case VIDIOCPWCFACTORY:
1379 {
1380 if (pwc_restore_factory(pdev))
1381 ret = -EINVAL;
1382 break;
1383 }
1384
1385 case VIDIOCPWCSCQUAL:
1386 {
1387 ARG_DEF(int, qual)
1388
1389 if (pdev->iso_init) {
1390 ret = -EBUSY;
1391 break;
1392 }
1393
1394 ARG_IN(qual)
1395 if (ARGR(qual) < 0 || ARGR(qual) > 3)
1396 ret = -EINVAL;
1397 else
1398 ret = pwc_set_video_mode(pdev, pdev->view.x, pdev->view.y, pdev->vframes, ARGR(qual), pdev->vsnapshot);
1399 if (ret >= 0)
1400 pdev->vcompression = ARGR(qual);
1401 break;
1402 }
1403
1404 case VIDIOCPWCGCQUAL:
1405 {
1406 ARG_DEF(int, qual)
1407
1408 ARGR(qual) = pdev->vcompression;
1409 ARG_OUT(qual)
1410 break;
1411 }
1412
1413 case VIDIOCPWCPROBE:
1414 {
1415 ARG_DEF(struct pwc_probe, probe)
1416
1417 strcpy(ARGR(probe).name, pdev->vdev.name);
1418 ARGR(probe).type = pdev->type;
1419 ARG_OUT(probe)
1420 break;
1421 }
1422
1423 case VIDIOCPWCGSERIAL:
1424 {
1425 ARG_DEF(struct pwc_serial, serial)
1426
1427 strcpy(ARGR(serial).serial, pdev->serial);
1428 ARG_OUT(serial)
1429 break;
1430 }
1431
1432 case VIDIOCPWCSAGC:
1433 {
1434 ARG_DEF(int, agc)
1435
1436 ARG_IN(agc)
1437 if (pwc_set_agc(pdev, ARGR(agc) < 0 ? 1 : 0, ARGR(agc)))
1438 ret = -EINVAL;
1439 break;
1440 }
1441
1442 case VIDIOCPWCGAGC:
1443 {
1444 ARG_DEF(int, agc)
1445
1446 if (pwc_get_agc(pdev, ARGA(agc)))
1447 ret = -EINVAL;
1448 ARG_OUT(agc)
1449 break;
1450 }
1451
1452 case VIDIOCPWCSSHUTTER:
1453 {
1454 ARG_DEF(int, shutter_speed)
1455
1456 ARG_IN(shutter_speed)
1457 ret = pwc_set_shutter_speed(pdev, ARGR(shutter_speed) < 0 ? 1 : 0, ARGR(shutter_speed));
1458 break;
1459 }
1460
1461 case VIDIOCPWCSAWB:
1462 {
1463 ARG_DEF(struct pwc_whitebalance, wb)
1464
1465 ARG_IN(wb)
1466 ret = pwc_set_awb(pdev, ARGR(wb).mode);
1467 if (ret >= 0 && ARGR(wb).mode == PWC_WB_MANUAL) {
1468 pwc_set_red_gain(pdev, ARGR(wb).manual_red);
1469 pwc_set_blue_gain(pdev, ARGR(wb).manual_blue);
1470 }
1471 break;
1472 }
1473
1474 case VIDIOCPWCGAWB:
1475 {
1476 ARG_DEF(struct pwc_whitebalance, wb)
1477
1478 memset(ARGA(wb), 0, sizeof(struct pwc_whitebalance));
1479 ARGR(wb).mode = pwc_get_awb(pdev);
1480 if (ARGR(wb).mode < 0)
1481 ret = -EINVAL;
1482 else {
1483 if (ARGR(wb).mode == PWC_WB_MANUAL) {
1484 ret = pwc_get_red_gain(pdev, &ARGR(wb).manual_red);
1485 if (ret < 0)
1486 break;
1487 ret = pwc_get_blue_gain(pdev, &ARGR(wb).manual_blue);
1488 if (ret < 0)
1489 break;
1490 }
1491 if (ARGR(wb).mode == PWC_WB_AUTO) {
1492 ret = pwc_read_red_gain(pdev, &ARGR(wb).read_red);
1493 if (ret < 0)
1494 break;
1495 ret = pwc_read_blue_gain(pdev, &ARGR(wb).read_blue);
1496 if (ret < 0)
1497 break;
1498 }
1499 }
1500 ARG_OUT(wb)
1501 break;
1502 }
1503
1504 case VIDIOCPWCSAWBSPEED:
1505 {
1506 ARG_DEF(struct pwc_wb_speed, wbs)
1507
1508 if (ARGR(wbs).control_speed > 0) {
1509 ret = pwc_set_wb_speed(pdev, ARGR(wbs).control_speed);
1510 }
1511 if (ARGR(wbs).control_delay > 0) {
1512 ret = pwc_set_wb_delay(pdev, ARGR(wbs).control_delay);
1513 }
1514 break;
1515 }
1516
1517 case VIDIOCPWCGAWBSPEED:
1518 {
1519 ARG_DEF(struct pwc_wb_speed, wbs)
1520
1521 ret = pwc_get_wb_speed(pdev, &ARGR(wbs).control_speed);
1522 if (ret < 0)
1523 break;
1524 ret = pwc_get_wb_delay(pdev, &ARGR(wbs).control_delay);
1525 if (ret < 0)
1526 break;
1527 ARG_OUT(wbs)
1528 break;
1529 }
1530
1531 case VIDIOCPWCSLED:
1532 {
1533 ARG_DEF(struct pwc_leds, leds)
1534
1535 ARG_IN(leds)
1536 ret = pwc_set_leds(pdev, ARGR(leds).led_on, ARGR(leds).led_off);
1537 break;
1538 }
1539
1540
1541 case VIDIOCPWCGLED:
1542 {
1543 ARG_DEF(struct pwc_leds, leds)
1544
1545 ret = pwc_get_leds(pdev, &ARGR(leds).led_on, &ARGR(leds).led_off);
1546 ARG_OUT(leds)
1547 break;
1548 }
1549
1550 case VIDIOCPWCSCONTOUR:
1551 {
1552 ARG_DEF(int, contour)
1553
1554 ARG_IN(contour)
1555 ret = pwc_set_contour(pdev, ARGR(contour));
1556 break;
1557 }
1558
1559 case VIDIOCPWCGCONTOUR:
1560 {
1561 ARG_DEF(int, contour)
1562
1563 ret = pwc_get_contour(pdev, ARGA(contour));
1564 ARG_OUT(contour)
1565 break;
1566 }
1567
1568 case VIDIOCPWCSBACKLIGHT:
1569 {
1570 ARG_DEF(int, backlight)
1571
1572 ARG_IN(backlight)
1573 ret = pwc_set_backlight(pdev, ARGR(backlight));
1574 break;
1575 }
1576
1577 case VIDIOCPWCGBACKLIGHT:
1578 {
1579 ARG_DEF(int, backlight)
1580
1581 ret = pwc_get_backlight(pdev, ARGA(backlight));
1582 ARG_OUT(backlight)
1583 break;
1584 }
1585
1586 case VIDIOCPWCSFLICKER:
1587 {
1588 ARG_DEF(int, flicker)
1589
1590 ARG_IN(flicker)
1591 ret = pwc_set_flicker(pdev, ARGR(flicker));
1592 break;
1593 }
1594
1595 case VIDIOCPWCGFLICKER:
1596 {
1597 ARG_DEF(int, flicker)
1598
1599 ret = pwc_get_flicker(pdev, ARGA(flicker));
1600 ARG_OUT(flicker)
1601 break;
1602 }
1603
1604 case VIDIOCPWCSDYNNOISE:
1605 {
1606 ARG_DEF(int, dynnoise)
1607
1608 ARG_IN(dynnoise)
1609 ret = pwc_set_dynamic_noise(pdev, ARGR(dynnoise));
1610 break;
1611 }
1612
1613 case VIDIOCPWCGDYNNOISE:
1614 {
1615 ARG_DEF(int, dynnoise)
1616
1617 ret = pwc_get_dynamic_noise(pdev, ARGA(dynnoise));
1618 ARG_OUT(dynnoise);
1619 break;
1620 }
1621
1622 case VIDIOCPWCGREALSIZE:
1623 {
1624 ARG_DEF(struct pwc_imagesize, size)
1625
1626 ARGR(size).width = pdev->image.x;
1627 ARGR(size).height = pdev->image.y;
1628 ARG_OUT(size)
1629 break;
1630 }
1631
1632 case VIDIOCPWCMPTRESET:
1633 {
1634 if (pdev->features & FEATURE_MOTOR_PANTILT)
1635 {
1636 ARG_DEF(int, flags)
1637
1638 ARG_IN(flags)
1639 ret = pwc_mpt_reset(pdev, ARGR(flags));
1640 }
1641 else
1642 {
1643 ret = -ENXIO;
1644 }
1645 break;
1646 }
1647
1648 case VIDIOCPWCMPTGRANGE:
1649 {
1650 if (pdev->features & FEATURE_MOTOR_PANTILT)
1651 {
1652 ARG_DEF(struct pwc_mpt_range, range)
1653
1654 ARGR(range) = pdev->angle_range;
1655 ARG_OUT(range)
1656 }
1657 else
1658 {
1659 ret = -ENXIO;
1660 }
1661 break;
1662 }
1663
1664 case VIDIOCPWCMPTSANGLE:
1665 {
1666 int new_pan, new_tilt;
1667
1668 if (pdev->features & FEATURE_MOTOR_PANTILT)
1669 {
1670 ARG_DEF(struct pwc_mpt_angles, angles)
1671
1672 ARG_IN(angles)
1673 /* The camera can only set relative angles, so
1674 do some calculations when getting an absolute angle .
1675 */
1676 if (ARGR(angles).absolute)
1677 {
1678 new_pan = ARGR(angles).pan;
1679 new_tilt = ARGR(angles).tilt;
1680 }
1681 else
1682 {
1683 new_pan = pdev->pan_angle + ARGR(angles).pan;
1684 new_tilt = pdev->tilt_angle + ARGR(angles).tilt;
1685 }
1686 ret = pwc_mpt_set_angle(pdev, new_pan, new_tilt);
1687 }
1688 else
1689 {
1690 ret = -ENXIO;
1691 }
1692 break;
1693 }
1694
1695 case VIDIOCPWCMPTGANGLE:
1696 {
1697
1698 if (pdev->features & FEATURE_MOTOR_PANTILT)
1699 {
1700 ARG_DEF(struct pwc_mpt_angles, angles)
1701
1702 ARGR(angles).absolute = 1;
1703 ARGR(angles).pan = pdev->pan_angle;
1704 ARGR(angles).tilt = pdev->tilt_angle;
1705 ARG_OUT(angles)
1706 }
1707 else
1708 {
1709 ret = -ENXIO;
1710 }
1711 break;
1712 }
1713
1714 case VIDIOCPWCMPTSTATUS:
1715 {
1716 if (pdev->features & FEATURE_MOTOR_PANTILT)
1717 {
1718 ARG_DEF(struct pwc_mpt_status, status)
1719
1720 ret = pwc_mpt_get_status(pdev, ARGA(status));
1721 ARG_OUT(status)
1722 }
1723 else
1724 {
1725 ret = -ENXIO;
1726 }
1727 break;
1728 }
1729
1730 case VIDIOCPWCGVIDCMD:
1731 {
1732 ARG_DEF(struct pwc_video_command, vcmd);
1733
1734 ARGR(vcmd).type = pdev->type;
1735 ARGR(vcmd).release = pdev->release;
1736 ARGR(vcmd).command_len = pdev->cmd_len;
1737 memcpy(&ARGR(vcmd).command_buf, pdev->cmd_buf, pdev->cmd_len);
1738 ARGR(vcmd).bandlength = pdev->vbandlength;
1739 ARGR(vcmd).frame_size = pdev->frame_size;
1740 ARG_OUT(vcmd)
1741 break;
1742 }
1743 /*
1744 case VIDIOCPWCGVIDTABLE:
1745 {
1746 ARG_DEF(struct pwc_table_init_buffer, table);
1747 ARGR(table).len = pdev->cmd_len;
1748 memcpy(&ARGR(table).buffer, pdev->decompress_data, pdev->decompressor->table_size);
1749 ARG_OUT(table)
1750 break;
1751 }
1752 */
1753
1754 default:
1755 ret = -ENOIOCTLCMD;
1756 break;
1757 }
1758
1759 if (ret > 0)
1760 return 0;
1761 return ret;
1762 }
1763
1764
1765 /* vim: set cinoptions= formatoptions=croql cindent shiftwidth=8 tabstop=8: */
kernel source for telekom puls (alcatel/mediatek)