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1da177e4 LT |
1 | /* |
2 | * $Id: saa7134-video.c,v 1.28 2005/02/15 15:59:35 kraxel Exp $ | |
3 | * | |
4 | * device driver for philips saa7134 based TV cards | |
5 | * video4linux video interface | |
6 | * | |
7 | * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
24 | #include <linux/init.h> | |
25 | #include <linux/list.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/moduleparam.h> | |
28 | #include <linux/kernel.h> | |
29 | #include <linux/slab.h> | |
30 | ||
31 | #include "saa7134-reg.h" | |
32 | #include "saa7134.h" | |
33 | ||
34 | #define V4L2_I2C_CLIENTS 1 | |
35 | ||
36 | /* ------------------------------------------------------------------ */ | |
37 | ||
38 | static unsigned int video_debug = 0; | |
39 | static unsigned int gbuffers = 8; | |
40 | static unsigned int noninterlaced = 0; | |
41 | static unsigned int gbufsize = 720*576*4; | |
42 | static unsigned int gbufsize_max = 720*576*4; | |
43 | module_param(video_debug, int, 0644); | |
44 | MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); | |
45 | module_param(gbuffers, int, 0444); | |
46 | MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32"); | |
47 | module_param(noninterlaced, int, 0644); | |
48 | MODULE_PARM_DESC(noninterlaced,"video input is noninterlaced"); | |
49 | ||
50 | #define dprintk(fmt, arg...) if (video_debug) \ | |
51 | printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg) | |
52 | ||
53 | /* ------------------------------------------------------------------ */ | |
54 | /* data structs for video */ | |
55 | ||
56 | static int video_out[][9] = { | |
57 | [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 }, | |
58 | }; | |
59 | ||
60 | static struct saa7134_format formats[] = { | |
61 | { | |
62 | .name = "8 bpp gray", | |
63 | .fourcc = V4L2_PIX_FMT_GREY, | |
64 | .depth = 8, | |
65 | .pm = 0x06, | |
66 | },{ | |
67 | .name = "15 bpp RGB, le", | |
68 | .fourcc = V4L2_PIX_FMT_RGB555, | |
69 | .depth = 16, | |
70 | .pm = 0x13 | 0x80, | |
71 | },{ | |
72 | .name = "15 bpp RGB, be", | |
73 | .fourcc = V4L2_PIX_FMT_RGB555X, | |
74 | .depth = 16, | |
75 | .pm = 0x13 | 0x80, | |
76 | .bswap = 1, | |
77 | },{ | |
78 | .name = "16 bpp RGB, le", | |
79 | .fourcc = V4L2_PIX_FMT_RGB565, | |
80 | .depth = 16, | |
81 | .pm = 0x10 | 0x80, | |
82 | },{ | |
83 | .name = "16 bpp RGB, be", | |
84 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
85 | .depth = 16, | |
86 | .pm = 0x10 | 0x80, | |
87 | .bswap = 1, | |
88 | },{ | |
89 | .name = "24 bpp RGB, le", | |
90 | .fourcc = V4L2_PIX_FMT_BGR24, | |
91 | .depth = 24, | |
92 | .pm = 0x11, | |
93 | },{ | |
94 | .name = "24 bpp RGB, be", | |
95 | .fourcc = V4L2_PIX_FMT_RGB24, | |
96 | .depth = 24, | |
97 | .pm = 0x11, | |
98 | .bswap = 1, | |
99 | },{ | |
100 | .name = "32 bpp RGB, le", | |
101 | .fourcc = V4L2_PIX_FMT_BGR32, | |
102 | .depth = 32, | |
103 | .pm = 0x12, | |
104 | },{ | |
105 | .name = "32 bpp RGB, be", | |
106 | .fourcc = V4L2_PIX_FMT_RGB32, | |
107 | .depth = 32, | |
108 | .pm = 0x12, | |
109 | .bswap = 1, | |
110 | .wswap = 1, | |
111 | },{ | |
112 | .name = "4:2:2 packed, YUYV", | |
113 | .fourcc = V4L2_PIX_FMT_YUYV, | |
114 | .depth = 16, | |
115 | .pm = 0x00, | |
116 | .bswap = 1, | |
117 | .yuv = 1, | |
118 | },{ | |
119 | .name = "4:2:2 packed, UYVY", | |
120 | .fourcc = V4L2_PIX_FMT_UYVY, | |
121 | .depth = 16, | |
122 | .pm = 0x00, | |
123 | .yuv = 1, | |
124 | },{ | |
125 | .name = "4:2:2 planar, Y-Cb-Cr", | |
126 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
127 | .depth = 16, | |
128 | .pm = 0x09, | |
129 | .yuv = 1, | |
130 | .planar = 1, | |
131 | .hshift = 1, | |
132 | .vshift = 0, | |
133 | },{ | |
134 | .name = "4:2:0 planar, Y-Cb-Cr", | |
135 | .fourcc = V4L2_PIX_FMT_YUV420, | |
136 | .depth = 12, | |
137 | .pm = 0x0a, | |
138 | .yuv = 1, | |
139 | .planar = 1, | |
140 | .hshift = 1, | |
141 | .vshift = 1, | |
142 | },{ | |
143 | .name = "4:2:0 planar, Y-Cb-Cr", | |
144 | .fourcc = V4L2_PIX_FMT_YVU420, | |
145 | .depth = 12, | |
146 | .pm = 0x0a, | |
147 | .yuv = 1, | |
148 | .planar = 1, | |
149 | .uvswap = 1, | |
150 | .hshift = 1, | |
151 | .vshift = 1, | |
152 | } | |
153 | }; | |
154 | #define FORMATS ARRAY_SIZE(formats) | |
155 | ||
156 | #define NORM_625_50 \ | |
157 | .h_start = 0, \ | |
158 | .h_stop = 719, \ | |
159 | .video_v_start = 24, \ | |
160 | .video_v_stop = 311, \ | |
161 | .vbi_v_start = 7, \ | |
162 | .vbi_v_stop = 22, \ | |
163 | .src_timing = 4 | |
164 | ||
165 | #define NORM_525_60 \ | |
166 | .h_start = 0, \ | |
167 | .h_stop = 703, \ | |
168 | .video_v_start = 22, \ | |
169 | .video_v_stop = 22+239, \ | |
170 | .vbi_v_start = 10, /* FIXME */ \ | |
171 | .vbi_v_stop = 21, /* FIXME */ \ | |
172 | .src_timing = 1 | |
173 | ||
174 | static struct saa7134_tvnorm tvnorms[] = { | |
175 | { | |
176 | .name = "PAL", /* autodetect */ | |
177 | .id = V4L2_STD_PAL, | |
178 | NORM_625_50, | |
179 | ||
180 | .sync_control = 0x18, | |
181 | .luma_control = 0x40, | |
182 | .chroma_ctrl1 = 0x81, | |
183 | .chroma_gain = 0x2a, | |
184 | .chroma_ctrl2 = 0x06, | |
185 | .vgate_misc = 0x1c, | |
186 | ||
187 | },{ | |
188 | .name = "PAL-BG", | |
189 | .id = V4L2_STD_PAL_BG, | |
190 | NORM_625_50, | |
191 | ||
192 | .sync_control = 0x18, | |
193 | .luma_control = 0x40, | |
194 | .chroma_ctrl1 = 0x81, | |
195 | .chroma_gain = 0x2a, | |
196 | .chroma_ctrl2 = 0x06, | |
197 | .vgate_misc = 0x1c, | |
198 | ||
199 | },{ | |
200 | .name = "PAL-I", | |
201 | .id = V4L2_STD_PAL_I, | |
202 | NORM_625_50, | |
203 | ||
204 | .sync_control = 0x18, | |
205 | .luma_control = 0x40, | |
206 | .chroma_ctrl1 = 0x81, | |
207 | .chroma_gain = 0x2a, | |
208 | .chroma_ctrl2 = 0x06, | |
209 | .vgate_misc = 0x1c, | |
210 | ||
211 | },{ | |
212 | .name = "PAL-DK", | |
213 | .id = V4L2_STD_PAL_DK, | |
214 | NORM_625_50, | |
215 | ||
216 | .sync_control = 0x18, | |
217 | .luma_control = 0x40, | |
218 | .chroma_ctrl1 = 0x81, | |
219 | .chroma_gain = 0x2a, | |
220 | .chroma_ctrl2 = 0x06, | |
221 | .vgate_misc = 0x1c, | |
222 | ||
223 | },{ | |
224 | .name = "NTSC", | |
225 | .id = V4L2_STD_NTSC, | |
226 | NORM_525_60, | |
227 | ||
228 | .sync_control = 0x59, | |
229 | .luma_control = 0x40, | |
230 | .chroma_ctrl1 = 0x89, | |
231 | .chroma_gain = 0x2a, | |
232 | .chroma_ctrl2 = 0x0e, | |
233 | .vgate_misc = 0x18, | |
234 | ||
235 | },{ | |
236 | .name = "SECAM", | |
237 | .id = V4L2_STD_SECAM, | |
238 | NORM_625_50, | |
239 | ||
240 | .sync_control = 0x18, /* old: 0x58, */ | |
241 | .luma_control = 0x1b, | |
242 | .chroma_ctrl1 = 0xd1, | |
243 | .chroma_gain = 0x80, | |
244 | .chroma_ctrl2 = 0x00, | |
245 | .vgate_misc = 0x1c, | |
246 | ||
247 | },{ | |
248 | .name = "PAL-M", | |
249 | .id = V4L2_STD_PAL_M, | |
250 | NORM_525_60, | |
251 | ||
252 | .sync_control = 0x59, | |
253 | .luma_control = 0x40, | |
254 | .chroma_ctrl1 = 0xb9, | |
255 | .chroma_gain = 0x2a, | |
256 | .chroma_ctrl2 = 0x0e, | |
257 | .vgate_misc = 0x18, | |
258 | ||
259 | },{ | |
260 | .name = "PAL-Nc", | |
261 | .id = V4L2_STD_PAL_Nc, | |
262 | NORM_625_50, | |
263 | ||
264 | .sync_control = 0x18, | |
265 | .luma_control = 0x40, | |
266 | .chroma_ctrl1 = 0xa1, | |
267 | .chroma_gain = 0x2a, | |
268 | .chroma_ctrl2 = 0x06, | |
269 | .vgate_misc = 0x1c, | |
270 | ||
271 | },{ | |
272 | .name = "PAL-60", | |
273 | .id = V4L2_STD_PAL_60, | |
274 | ||
275 | .h_start = 0, | |
276 | .h_stop = 719, | |
277 | .video_v_start = 22, | |
278 | .video_v_stop = 22+239, | |
279 | .vbi_v_start = 10, /* FIXME */ | |
280 | .vbi_v_stop = 21, /* FIXME */ | |
281 | .src_timing = 1, | |
282 | ||
283 | .sync_control = 0x18, | |
284 | .luma_control = 0x40, | |
285 | .chroma_ctrl1 = 0x81, | |
286 | .chroma_gain = 0x2a, | |
287 | .chroma_ctrl2 = 0x06, | |
288 | .vgate_misc = 0x1c, | |
289 | } | |
290 | }; | |
291 | #define TVNORMS ARRAY_SIZE(tvnorms) | |
292 | ||
293 | #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0) | |
294 | #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1) | |
295 | #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2) | |
296 | #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3) | |
297 | #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4) | |
298 | ||
299 | static const struct v4l2_queryctrl no_ctrl = { | |
300 | .name = "42", | |
301 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
302 | }; | |
303 | static const struct v4l2_queryctrl video_ctrls[] = { | |
304 | /* --- video --- */ | |
305 | { | |
306 | .id = V4L2_CID_BRIGHTNESS, | |
307 | .name = "Brightness", | |
308 | .minimum = 0, | |
309 | .maximum = 255, | |
310 | .step = 1, | |
311 | .default_value = 128, | |
312 | .type = V4L2_CTRL_TYPE_INTEGER, | |
313 | },{ | |
314 | .id = V4L2_CID_CONTRAST, | |
315 | .name = "Contrast", | |
316 | .minimum = 0, | |
317 | .maximum = 127, | |
318 | .step = 1, | |
319 | .default_value = 68, | |
320 | .type = V4L2_CTRL_TYPE_INTEGER, | |
321 | },{ | |
322 | .id = V4L2_CID_SATURATION, | |
323 | .name = "Saturation", | |
324 | .minimum = 0, | |
325 | .maximum = 127, | |
326 | .step = 1, | |
327 | .default_value = 64, | |
328 | .type = V4L2_CTRL_TYPE_INTEGER, | |
329 | },{ | |
330 | .id = V4L2_CID_HUE, | |
331 | .name = "Hue", | |
332 | .minimum = -128, | |
333 | .maximum = 127, | |
334 | .step = 1, | |
335 | .default_value = 0, | |
336 | .type = V4L2_CTRL_TYPE_INTEGER, | |
337 | },{ | |
338 | .id = V4L2_CID_VFLIP, | |
339 | .name = "vertical flip", | |
340 | .minimum = 0, | |
341 | .maximum = 1, | |
342 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
343 | }, | |
344 | /* --- audio --- */ | |
345 | { | |
346 | .id = V4L2_CID_AUDIO_MUTE, | |
347 | .name = "Mute", | |
348 | .minimum = 0, | |
349 | .maximum = 1, | |
350 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
351 | },{ | |
352 | .id = V4L2_CID_AUDIO_VOLUME, | |
353 | .name = "Volume", | |
354 | .minimum = -15, | |
355 | .maximum = 15, | |
356 | .step = 1, | |
357 | .default_value = 0, | |
358 | .type = V4L2_CTRL_TYPE_INTEGER, | |
359 | }, | |
360 | /* --- private --- */ | |
361 | { | |
362 | .id = V4L2_CID_PRIVATE_INVERT, | |
363 | .name = "Invert", | |
364 | .minimum = 0, | |
365 | .maximum = 1, | |
366 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
367 | },{ | |
368 | .id = V4L2_CID_PRIVATE_Y_ODD, | |
369 | .name = "y offset odd field", | |
370 | .minimum = 0, | |
371 | .maximum = 128, | |
372 | .default_value = 0, | |
373 | .type = V4L2_CTRL_TYPE_INTEGER, | |
374 | },{ | |
375 | .id = V4L2_CID_PRIVATE_Y_EVEN, | |
376 | .name = "y offset even field", | |
377 | .minimum = 0, | |
378 | .maximum = 128, | |
379 | .default_value = 0, | |
380 | .type = V4L2_CTRL_TYPE_INTEGER, | |
381 | },{ | |
382 | .id = V4L2_CID_PRIVATE_AUTOMUTE, | |
383 | .name = "automute", | |
384 | .minimum = 0, | |
385 | .maximum = 1, | |
386 | .default_value = 1, | |
387 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
388 | } | |
389 | }; | |
390 | static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls); | |
391 | ||
392 | static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id) | |
393 | { | |
394 | unsigned int i; | |
395 | ||
396 | for (i = 0; i < CTRLS; i++) | |
397 | if (video_ctrls[i].id == id) | |
398 | return video_ctrls+i; | |
399 | return NULL; | |
400 | } | |
401 | ||
402 | static struct saa7134_format* format_by_fourcc(unsigned int fourcc) | |
403 | { | |
404 | unsigned int i; | |
405 | ||
406 | for (i = 0; i < FORMATS; i++) | |
407 | if (formats[i].fourcc == fourcc) | |
408 | return formats+i; | |
409 | return NULL; | |
410 | } | |
411 | ||
412 | /* ----------------------------------------------------------------------- */ | |
413 | /* resource management */ | |
414 | ||
415 | static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit) | |
416 | { | |
417 | if (fh->resources & bit) | |
418 | /* have it already allocated */ | |
419 | return 1; | |
420 | ||
421 | /* is it free? */ | |
422 | down(&dev->lock); | |
423 | if (dev->resources & bit) { | |
424 | /* no, someone else uses it */ | |
425 | up(&dev->lock); | |
426 | return 0; | |
427 | } | |
428 | /* it's free, grab it */ | |
429 | fh->resources |= bit; | |
430 | dev->resources |= bit; | |
431 | dprintk("res: get %d\n",bit); | |
432 | up(&dev->lock); | |
433 | return 1; | |
434 | } | |
435 | ||
436 | static | |
437 | int res_check(struct saa7134_fh *fh, unsigned int bit) | |
438 | { | |
439 | return (fh->resources & bit); | |
440 | } | |
441 | ||
442 | static | |
443 | int res_locked(struct saa7134_dev *dev, unsigned int bit) | |
444 | { | |
445 | return (dev->resources & bit); | |
446 | } | |
447 | ||
448 | static | |
449 | void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits) | |
450 | { | |
451 | if ((fh->resources & bits) != bits) | |
452 | BUG(); | |
453 | ||
454 | down(&dev->lock); | |
455 | fh->resources &= ~bits; | |
456 | dev->resources &= ~bits; | |
457 | dprintk("res: put %d\n",bits); | |
458 | up(&dev->lock); | |
459 | } | |
460 | ||
461 | /* ------------------------------------------------------------------ */ | |
462 | ||
463 | static void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) | |
464 | { | |
465 | int luma_control,sync_control,mux; | |
466 | ||
467 | dprintk("set tv norm = %s\n",norm->name); | |
468 | dev->tvnorm = norm; | |
469 | ||
470 | mux = card_in(dev,dev->ctl_input).vmux; | |
471 | luma_control = norm->luma_control; | |
472 | sync_control = norm->sync_control; | |
473 | ||
474 | if (mux > 5) | |
475 | luma_control |= 0x80; /* svideo */ | |
476 | if (noninterlaced || dev->nosignal) | |
477 | sync_control |= 0x20; | |
478 | ||
479 | /* setup cropping */ | |
480 | dev->crop_bounds.left = norm->h_start; | |
481 | dev->crop_defrect.left = norm->h_start; | |
482 | dev->crop_bounds.width = norm->h_stop - norm->h_start +1; | |
483 | dev->crop_defrect.width = norm->h_stop - norm->h_start +1; | |
484 | ||
485 | dev->crop_bounds.top = (norm->vbi_v_stop+1)*2; | |
486 | dev->crop_defrect.top = norm->video_v_start*2; | |
487 | dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624) | |
488 | - dev->crop_bounds.top; | |
489 | dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2; | |
490 | ||
491 | dev->crop_current = dev->crop_defrect; | |
492 | ||
493 | /* setup video decoder */ | |
494 | saa_writeb(SAA7134_INCR_DELAY, 0x08); | |
495 | saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); | |
496 | saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); | |
497 | ||
498 | saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); | |
499 | saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); | |
500 | saa_writeb(SAA7134_HSYNC_START, 0xeb); | |
501 | saa_writeb(SAA7134_HSYNC_STOP, 0xe0); | |
502 | saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); | |
503 | ||
504 | saa_writeb(SAA7134_SYNC_CTRL, sync_control); | |
505 | saa_writeb(SAA7134_LUMA_CTRL, luma_control); | |
506 | saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); | |
507 | saa_writeb(SAA7134_DEC_LUMA_CONTRAST, dev->ctl_contrast); | |
508 | ||
509 | saa_writeb(SAA7134_DEC_CHROMA_SATURATION, dev->ctl_saturation); | |
510 | saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); | |
511 | saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1); | |
512 | saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); | |
513 | ||
514 | saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); | |
515 | saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); | |
516 | ||
517 | saa_writeb(SAA7134_ANALOG_ADC, 0x01); | |
518 | saa_writeb(SAA7134_VGATE_START, 0x11); | |
519 | saa_writeb(SAA7134_VGATE_STOP, 0xfe); | |
520 | saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); | |
521 | saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); | |
522 | saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); | |
523 | ||
524 | #ifdef V4L2_I2C_CLIENTS | |
525 | saa7134_i2c_call_clients(dev,VIDIOC_S_STD,&norm->id); | |
526 | #else | |
527 | { | |
528 | /* pass down info to the i2c chips (v4l1) */ | |
529 | struct video_channel c; | |
530 | memset(&c,0,sizeof(c)); | |
531 | c.channel = dev->ctl_input; | |
532 | c.norm = VIDEO_MODE_PAL; | |
533 | if (norm->id & V4L2_STD_NTSC) | |
534 | c.norm = VIDEO_MODE_NTSC; | |
535 | if (norm->id & V4L2_STD_SECAM) | |
536 | c.norm = VIDEO_MODE_SECAM; | |
537 | saa7134_i2c_call_clients(dev,VIDIOCSCHAN,&c); | |
538 | } | |
539 | #endif | |
540 | } | |
541 | ||
542 | static void video_mux(struct saa7134_dev *dev, int input) | |
543 | { | |
544 | dprintk("video input = %d [%s]\n",input,card_in(dev,input).name); | |
545 | dev->ctl_input = input; | |
546 | set_tvnorm(dev,dev->tvnorm); | |
547 | saa7134_tvaudio_setinput(dev,&card_in(dev,input)); | |
548 | } | |
549 | ||
550 | static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) | |
551 | { | |
552 | static const struct { | |
553 | int xpsc; | |
554 | int xacl; | |
555 | int xc2_1; | |
556 | int xdcg; | |
557 | int vpfy; | |
558 | } vals[] = { | |
559 | /* XPSC XACL XC2_1 XDCG VPFY */ | |
560 | { 1, 0, 0, 0, 0 }, | |
561 | { 2, 2, 1, 2, 2 }, | |
562 | { 3, 4, 1, 3, 2 }, | |
563 | { 4, 8, 1, 4, 2 }, | |
564 | { 5, 8, 1, 4, 2 }, | |
565 | { 6, 8, 1, 4, 3 }, | |
566 | { 7, 8, 1, 4, 3 }, | |
567 | { 8, 15, 0, 4, 3 }, | |
568 | { 9, 15, 0, 4, 3 }, | |
569 | { 10, 16, 1, 5, 3 }, | |
570 | }; | |
571 | static const int count = ARRAY_SIZE(vals); | |
572 | int i; | |
573 | ||
574 | for (i = 0; i < count; i++) | |
575 | if (vals[i].xpsc == prescale) | |
576 | break; | |
577 | if (i == count) | |
578 | return; | |
579 | ||
580 | saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc); | |
581 | saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl); | |
582 | saa_writeb(SAA7134_LEVEL_CTRL(task), | |
583 | (vals[i].xc2_1 << 3) | (vals[i].xdcg)); | |
584 | saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f, | |
585 | (vals[i].vpfy << 2) | vals[i].vpfy); | |
586 | } | |
587 | ||
588 | static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) | |
589 | { | |
590 | int val,mirror; | |
591 | ||
592 | saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff); | |
593 | saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8); | |
594 | ||
595 | mirror = (dev->ctl_mirror) ? 0x02 : 0x00; | |
596 | if (yscale < 2048) { | |
597 | /* LPI */ | |
598 | dprintk("yscale LPI yscale=%d\n",yscale); | |
599 | saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror); | |
600 | saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40); | |
601 | saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40); | |
602 | } else { | |
603 | /* ACM */ | |
604 | val = 0x40 * 1024 / yscale; | |
605 | dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val); | |
606 | saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror); | |
607 | saa_writeb(SAA7134_LUMA_CONTRAST(task), val); | |
608 | saa_writeb(SAA7134_CHROMA_SATURATION(task), val); | |
609 | } | |
610 | saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80); | |
611 | } | |
612 | ||
613 | static void set_size(struct saa7134_dev *dev, int task, | |
614 | int width, int height, int interlace) | |
615 | { | |
616 | int prescale,xscale,yscale,y_even,y_odd; | |
617 | int h_start, h_stop, v_start, v_stop; | |
618 | int div = interlace ? 2 : 1; | |
619 | ||
620 | /* setup video scaler */ | |
621 | h_start = dev->crop_current.left; | |
622 | v_start = dev->crop_current.top/2; | |
623 | h_stop = (dev->crop_current.left + dev->crop_current.width -1); | |
624 | v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2; | |
625 | ||
626 | saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff); | |
627 | saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8); | |
628 | saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff); | |
629 | saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8); | |
630 | saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff); | |
631 | saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8); | |
632 | saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff); | |
633 | saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8); | |
634 | ||
635 | prescale = dev->crop_current.width / width; | |
636 | if (0 == prescale) | |
637 | prescale = 1; | |
638 | xscale = 1024 * dev->crop_current.width / prescale / width; | |
639 | yscale = 512 * div * dev->crop_current.height / height; | |
640 | dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale); | |
641 | set_h_prescale(dev,task,prescale); | |
642 | saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff); | |
643 | saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8); | |
644 | set_v_scale(dev,task,yscale); | |
645 | ||
646 | saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff); | |
647 | saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8); | |
648 | saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff); | |
649 | saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8); | |
650 | ||
651 | /* deinterlace y offsets */ | |
652 | y_odd = dev->ctl_y_odd; | |
653 | y_even = dev->ctl_y_even; | |
654 | saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd); | |
655 | saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even); | |
656 | saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd); | |
657 | saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even); | |
658 | } | |
659 | ||
660 | /* ------------------------------------------------------------------ */ | |
661 | ||
662 | struct cliplist { | |
663 | __u16 position; | |
664 | __u8 enable; | |
665 | __u8 disable; | |
666 | }; | |
667 | ||
668 | static void sort_cliplist(struct cliplist *cl, int entries) | |
669 | { | |
670 | struct cliplist swap; | |
671 | int i,j,n; | |
672 | ||
673 | for (i = entries-2; i >= 0; i--) { | |
674 | for (n = 0, j = 0; j <= i; j++) { | |
675 | if (cl[j].position > cl[j+1].position) { | |
676 | swap = cl[j]; | |
677 | cl[j] = cl[j+1]; | |
678 | cl[j+1] = swap; | |
679 | n++; | |
680 | } | |
681 | } | |
682 | if (0 == n) | |
683 | break; | |
684 | } | |
685 | } | |
686 | ||
687 | static void set_cliplist(struct saa7134_dev *dev, int reg, | |
688 | struct cliplist *cl, int entries, char *name) | |
689 | { | |
690 | __u8 winbits = 0; | |
691 | int i; | |
692 | ||
693 | for (i = 0; i < entries; i++) { | |
694 | winbits |= cl[i].enable; | |
695 | winbits &= ~cl[i].disable; | |
696 | if (i < 15 && cl[i].position == cl[i+1].position) | |
697 | continue; | |
698 | saa_writeb(reg + 0, winbits); | |
699 | saa_writeb(reg + 2, cl[i].position & 0xff); | |
700 | saa_writeb(reg + 3, cl[i].position >> 8); | |
701 | dprintk("clip: %s winbits=%02x pos=%d\n", | |
702 | name,winbits,cl[i].position); | |
703 | reg += 8; | |
704 | } | |
705 | for (; reg < 0x400; reg += 8) { | |
706 | saa_writeb(reg+ 0, 0); | |
707 | saa_writeb(reg + 1, 0); | |
708 | saa_writeb(reg + 2, 0); | |
709 | saa_writeb(reg + 3, 0); | |
710 | } | |
711 | } | |
712 | ||
713 | static int clip_range(int val) | |
714 | { | |
715 | if (val < 0) | |
716 | val = 0; | |
717 | return val; | |
718 | } | |
719 | ||
720 | static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips, | |
721 | int nclips, int interlace) | |
722 | { | |
723 | struct cliplist col[16], row[16]; | |
724 | int cols, rows, i; | |
725 | int div = interlace ? 2 : 1; | |
726 | ||
727 | memset(col,0,sizeof(col)); cols = 0; | |
728 | memset(row,0,sizeof(row)); rows = 0; | |
729 | for (i = 0; i < nclips && i < 8; i++) { | |
730 | col[cols].position = clip_range(clips[i].c.left); | |
731 | col[cols].enable = (1 << i); | |
732 | cols++; | |
733 | col[cols].position = clip_range(clips[i].c.left+clips[i].c.width); | |
734 | col[cols].disable = (1 << i); | |
735 | cols++; | |
736 | row[rows].position = clip_range(clips[i].c.top / div); | |
737 | row[rows].enable = (1 << i); | |
738 | rows++; | |
739 | row[rows].position = clip_range((clips[i].c.top + clips[i].c.height) | |
740 | / div); | |
741 | row[rows].disable = (1 << i); | |
742 | rows++; | |
743 | } | |
744 | sort_cliplist(col,cols); | |
745 | sort_cliplist(row,rows); | |
746 | set_cliplist(dev,0x380,col,cols,"cols"); | |
747 | set_cliplist(dev,0x384,row,rows,"rows"); | |
748 | return 0; | |
749 | } | |
750 | ||
751 | static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win) | |
752 | { | |
753 | enum v4l2_field field; | |
754 | int maxw, maxh; | |
755 | ||
756 | if (NULL == dev->ovbuf.base) | |
757 | return -EINVAL; | |
758 | if (NULL == dev->ovfmt) | |
759 | return -EINVAL; | |
760 | if (win->w.width < 48 || win->w.height < 32) | |
761 | return -EINVAL; | |
762 | if (win->clipcount > 2048) | |
763 | return -EINVAL; | |
764 | ||
765 | field = win->field; | |
766 | maxw = dev->crop_current.width; | |
767 | maxh = dev->crop_current.height; | |
768 | ||
769 | if (V4L2_FIELD_ANY == field) { | |
770 | field = (win->w.height > maxh/2) | |
771 | ? V4L2_FIELD_INTERLACED | |
772 | : V4L2_FIELD_TOP; | |
773 | } | |
774 | switch (field) { | |
775 | case V4L2_FIELD_TOP: | |
776 | case V4L2_FIELD_BOTTOM: | |
777 | maxh = maxh / 2; | |
778 | break; | |
779 | case V4L2_FIELD_INTERLACED: | |
780 | break; | |
781 | default: | |
782 | return -EINVAL; | |
783 | } | |
784 | ||
785 | win->field = field; | |
786 | if (win->w.width > maxw) | |
787 | win->w.width = maxw; | |
788 | if (win->w.height > maxh) | |
789 | win->w.height = maxh; | |
790 | return 0; | |
791 | } | |
792 | ||
793 | static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) | |
794 | { | |
795 | unsigned long base,control,bpl; | |
796 | int err; | |
797 | ||
798 | err = verify_preview(dev,&fh->win); | |
799 | if (0 != err) | |
800 | return err; | |
801 | ||
802 | dev->ovfield = fh->win.field; | |
803 | dprintk("start_preview %dx%d+%d+%d %s field=%s\n", | |
804 | fh->win.w.width,fh->win.w.height, | |
805 | fh->win.w.left,fh->win.w.top, | |
806 | dev->ovfmt->name,v4l2_field_names[dev->ovfield]); | |
807 | ||
808 | /* setup window + clipping */ | |
809 | set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height, | |
810 | V4L2_FIELD_HAS_BOTH(dev->ovfield)); | |
811 | setup_clipping(dev,fh->clips,fh->nclips, | |
812 | V4L2_FIELD_HAS_BOTH(dev->ovfield)); | |
813 | if (dev->ovfmt->yuv) | |
814 | saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03); | |
815 | else | |
816 | saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01); | |
817 | saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20); | |
818 | ||
819 | /* dma: setup channel 1 (= Video Task B) */ | |
820 | base = (unsigned long)dev->ovbuf.base; | |
821 | base += dev->ovbuf.fmt.bytesperline * fh->win.w.top; | |
822 | base += dev->ovfmt->depth/8 * fh->win.w.left; | |
823 | bpl = dev->ovbuf.fmt.bytesperline; | |
824 | control = SAA7134_RS_CONTROL_BURST_16; | |
825 | if (dev->ovfmt->bswap) | |
826 | control |= SAA7134_RS_CONTROL_BSWAP; | |
827 | if (dev->ovfmt->wswap) | |
828 | control |= SAA7134_RS_CONTROL_WSWAP; | |
829 | if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) { | |
830 | saa_writel(SAA7134_RS_BA1(1),base); | |
831 | saa_writel(SAA7134_RS_BA2(1),base+bpl); | |
832 | saa_writel(SAA7134_RS_PITCH(1),bpl*2); | |
833 | saa_writel(SAA7134_RS_CONTROL(1),control); | |
834 | } else { | |
835 | saa_writel(SAA7134_RS_BA1(1),base); | |
836 | saa_writel(SAA7134_RS_BA2(1),base); | |
837 | saa_writel(SAA7134_RS_PITCH(1),bpl); | |
838 | saa_writel(SAA7134_RS_CONTROL(1),control); | |
839 | } | |
840 | ||
841 | /* start dma */ | |
842 | dev->ovenable = 1; | |
843 | saa7134_set_dmabits(dev); | |
844 | ||
845 | return 0; | |
846 | } | |
847 | ||
848 | static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) | |
849 | { | |
850 | dev->ovenable = 0; | |
851 | saa7134_set_dmabits(dev); | |
852 | return 0; | |
853 | } | |
854 | ||
855 | /* ------------------------------------------------------------------ */ | |
856 | ||
857 | static int buffer_activate(struct saa7134_dev *dev, | |
858 | struct saa7134_buf *buf, | |
859 | struct saa7134_buf *next) | |
860 | { | |
861 | unsigned long base,control,bpl; | |
862 | unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */ | |
863 | ||
864 | dprintk("buffer_activate buf=%p\n",buf); | |
865 | buf->vb.state = STATE_ACTIVE; | |
866 | buf->top_seen = 0; | |
867 | ||
868 | set_size(dev,TASK_A,buf->vb.width,buf->vb.height, | |
869 | V4L2_FIELD_HAS_BOTH(buf->vb.field)); | |
870 | if (buf->fmt->yuv) | |
871 | saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); | |
872 | else | |
873 | saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); | |
874 | saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm); | |
875 | ||
876 | /* DMA: setup channel 0 (= Video Task A0) */ | |
877 | base = saa7134_buffer_base(buf); | |
878 | if (buf->fmt->planar) | |
879 | bpl = buf->vb.width; | |
880 | else | |
881 | bpl = (buf->vb.width * buf->fmt->depth) / 8; | |
882 | control = SAA7134_RS_CONTROL_BURST_16 | | |
883 | SAA7134_RS_CONTROL_ME | | |
884 | (buf->pt->dma >> 12); | |
885 | if (buf->fmt->bswap) | |
886 | control |= SAA7134_RS_CONTROL_BSWAP; | |
887 | if (buf->fmt->wswap) | |
888 | control |= SAA7134_RS_CONTROL_WSWAP; | |
889 | if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { | |
890 | /* interlaced */ | |
891 | saa_writel(SAA7134_RS_BA1(0),base); | |
892 | saa_writel(SAA7134_RS_BA2(0),base+bpl); | |
893 | saa_writel(SAA7134_RS_PITCH(0),bpl*2); | |
894 | } else { | |
895 | /* non-interlaced */ | |
896 | saa_writel(SAA7134_RS_BA1(0),base); | |
897 | saa_writel(SAA7134_RS_BA2(0),base); | |
898 | saa_writel(SAA7134_RS_PITCH(0),bpl); | |
899 | } | |
900 | saa_writel(SAA7134_RS_CONTROL(0),control); | |
901 | ||
902 | if (buf->fmt->planar) { | |
903 | /* DMA: setup channel 4+5 (= planar task A) */ | |
904 | bpl_uv = bpl >> buf->fmt->hshift; | |
905 | lines_uv = buf->vb.height >> buf->fmt->vshift; | |
906 | base2 = base + bpl * buf->vb.height; | |
907 | base3 = base2 + bpl_uv * lines_uv; | |
908 | if (buf->fmt->uvswap) | |
909 | tmp = base2, base2 = base3, base3 = tmp; | |
910 | dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", | |
911 | bpl_uv,lines_uv,base2,base3); | |
912 | if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { | |
913 | /* interlaced */ | |
914 | saa_writel(SAA7134_RS_BA1(4),base2); | |
915 | saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); | |
916 | saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); | |
917 | saa_writel(SAA7134_RS_BA1(5),base3); | |
918 | saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); | |
919 | saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); | |
920 | } else { | |
921 | /* non-interlaced */ | |
922 | saa_writel(SAA7134_RS_BA1(4),base2); | |
923 | saa_writel(SAA7134_RS_BA2(4),base2); | |
924 | saa_writel(SAA7134_RS_PITCH(4),bpl_uv); | |
925 | saa_writel(SAA7134_RS_BA1(5),base3); | |
926 | saa_writel(SAA7134_RS_BA2(5),base3); | |
927 | saa_writel(SAA7134_RS_PITCH(5),bpl_uv); | |
928 | } | |
929 | saa_writel(SAA7134_RS_CONTROL(4),control); | |
930 | saa_writel(SAA7134_RS_CONTROL(5),control); | |
931 | } | |
932 | ||
933 | /* start DMA */ | |
934 | saa7134_set_dmabits(dev); | |
935 | mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT); | |
936 | return 0; | |
937 | } | |
938 | ||
939 | static int buffer_prepare(struct videobuf_queue *q, | |
940 | struct videobuf_buffer *vb, | |
941 | enum v4l2_field field) | |
942 | { | |
943 | struct saa7134_fh *fh = q->priv_data; | |
944 | struct saa7134_dev *dev = fh->dev; | |
945 | struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); | |
946 | unsigned int size; | |
947 | int err; | |
948 | ||
949 | /* sanity checks */ | |
950 | if (NULL == fh->fmt) | |
951 | return -EINVAL; | |
952 | if (fh->width < 48 || | |
953 | fh->height < 32 || | |
954 | fh->width/4 > dev->crop_current.width || | |
955 | fh->height/4 > dev->crop_current.height || | |
956 | fh->width > dev->crop_bounds.width || | |
957 | fh->height > dev->crop_bounds.height) | |
958 | return -EINVAL; | |
959 | size = (fh->width * fh->height * fh->fmt->depth) >> 3; | |
960 | if (0 != buf->vb.baddr && buf->vb.bsize < size) | |
961 | return -EINVAL; | |
962 | ||
963 | dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n", | |
964 | vb->i,fh->width,fh->height,size,v4l2_field_names[field], | |
965 | fh->fmt->name); | |
966 | if (buf->vb.width != fh->width || | |
967 | buf->vb.height != fh->height || | |
968 | buf->vb.size != size || | |
969 | buf->vb.field != field || | |
970 | buf->fmt != fh->fmt) { | |
971 | saa7134_dma_free(dev,buf); | |
972 | } | |
973 | ||
974 | if (STATE_NEEDS_INIT == buf->vb.state) { | |
975 | buf->vb.width = fh->width; | |
976 | buf->vb.height = fh->height; | |
977 | buf->vb.size = size; | |
978 | buf->vb.field = field; | |
979 | buf->fmt = fh->fmt; | |
980 | buf->pt = &fh->pt_cap; | |
981 | ||
982 | err = videobuf_iolock(dev->pci,&buf->vb,&dev->ovbuf); | |
983 | if (err) | |
984 | goto oops; | |
985 | err = saa7134_pgtable_build(dev->pci,buf->pt, | |
986 | buf->vb.dma.sglist, | |
987 | buf->vb.dma.sglen, | |
988 | saa7134_buffer_startpage(buf)); | |
989 | if (err) | |
990 | goto oops; | |
991 | } | |
992 | buf->vb.state = STATE_PREPARED; | |
993 | buf->activate = buffer_activate; | |
994 | return 0; | |
995 | ||
996 | oops: | |
997 | saa7134_dma_free(dev,buf); | |
998 | return err; | |
999 | } | |
1000 | ||
1001 | static int | |
1002 | buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) | |
1003 | { | |
1004 | struct saa7134_fh *fh = q->priv_data; | |
1005 | ||
1006 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
1007 | if (0 == *count) | |
1008 | *count = gbuffers; | |
1009 | *count = saa7134_buffer_count(*size,*count); | |
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
1014 | { | |
1015 | struct saa7134_fh *fh = q->priv_data; | |
1016 | struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); | |
1017 | ||
1018 | saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf); | |
1019 | } | |
1020 | ||
1021 | static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
1022 | { | |
1023 | struct saa7134_fh *fh = q->priv_data; | |
1024 | struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); | |
1025 | ||
1026 | saa7134_dma_free(fh->dev,buf); | |
1027 | } | |
1028 | ||
1029 | static struct videobuf_queue_ops video_qops = { | |
1030 | .buf_setup = buffer_setup, | |
1031 | .buf_prepare = buffer_prepare, | |
1032 | .buf_queue = buffer_queue, | |
1033 | .buf_release = buffer_release, | |
1034 | }; | |
1035 | ||
1036 | /* ------------------------------------------------------------------ */ | |
1037 | ||
1038 | static int get_control(struct saa7134_dev *dev, struct v4l2_control *c) | |
1039 | { | |
1040 | const struct v4l2_queryctrl* ctrl; | |
1041 | ||
1042 | ctrl = ctrl_by_id(c->id); | |
1043 | if (NULL == ctrl) | |
1044 | return -EINVAL; | |
1045 | switch (c->id) { | |
1046 | case V4L2_CID_BRIGHTNESS: | |
1047 | c->value = dev->ctl_bright; | |
1048 | break; | |
1049 | case V4L2_CID_HUE: | |
1050 | c->value = dev->ctl_hue; | |
1051 | break; | |
1052 | case V4L2_CID_CONTRAST: | |
1053 | c->value = dev->ctl_contrast; | |
1054 | break; | |
1055 | case V4L2_CID_SATURATION: | |
1056 | c->value = dev->ctl_saturation; | |
1057 | break; | |
1058 | case V4L2_CID_AUDIO_MUTE: | |
1059 | c->value = dev->ctl_mute; | |
1060 | break; | |
1061 | case V4L2_CID_AUDIO_VOLUME: | |
1062 | c->value = dev->ctl_volume; | |
1063 | break; | |
1064 | case V4L2_CID_PRIVATE_INVERT: | |
1065 | c->value = dev->ctl_invert; | |
1066 | break; | |
1067 | case V4L2_CID_VFLIP: | |
1068 | c->value = dev->ctl_mirror; | |
1069 | break; | |
1070 | case V4L2_CID_PRIVATE_Y_EVEN: | |
1071 | c->value = dev->ctl_y_even; | |
1072 | break; | |
1073 | case V4L2_CID_PRIVATE_Y_ODD: | |
1074 | c->value = dev->ctl_y_odd; | |
1075 | break; | |
1076 | case V4L2_CID_PRIVATE_AUTOMUTE: | |
1077 | c->value = dev->ctl_automute; | |
1078 | break; | |
1079 | default: | |
1080 | return -EINVAL; | |
1081 | } | |
1082 | return 0; | |
1083 | } | |
1084 | ||
1085 | static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh, | |
1086 | struct v4l2_control *c) | |
1087 | { | |
1088 | const struct v4l2_queryctrl* ctrl; | |
1089 | unsigned long flags; | |
1090 | int restart_overlay = 0; | |
1091 | ||
1092 | ctrl = ctrl_by_id(c->id); | |
1093 | if (NULL == ctrl) | |
1094 | return -EINVAL; | |
1095 | dprintk("set_control name=%s val=%d\n",ctrl->name,c->value); | |
1096 | switch (ctrl->type) { | |
1097 | case V4L2_CTRL_TYPE_BOOLEAN: | |
1098 | case V4L2_CTRL_TYPE_MENU: | |
1099 | case V4L2_CTRL_TYPE_INTEGER: | |
1100 | if (c->value < ctrl->minimum) | |
1101 | c->value = ctrl->minimum; | |
1102 | if (c->value > ctrl->maximum) | |
1103 | c->value = ctrl->maximum; | |
1104 | break; | |
1105 | default: | |
1106 | /* nothing */; | |
1107 | }; | |
1108 | switch (c->id) { | |
1109 | case V4L2_CID_BRIGHTNESS: | |
1110 | dev->ctl_bright = c->value; | |
1111 | saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); | |
1112 | break; | |
1113 | case V4L2_CID_HUE: | |
1114 | dev->ctl_hue = c->value; | |
1115 | saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); | |
1116 | break; | |
1117 | case V4L2_CID_CONTRAST: | |
1118 | dev->ctl_contrast = c->value; | |
1119 | saa_writeb(SAA7134_DEC_LUMA_CONTRAST, | |
1120 | dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); | |
1121 | break; | |
1122 | case V4L2_CID_SATURATION: | |
1123 | dev->ctl_saturation = c->value; | |
1124 | saa_writeb(SAA7134_DEC_CHROMA_SATURATION, | |
1125 | dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); | |
1126 | break; | |
1127 | case V4L2_CID_AUDIO_MUTE: | |
1128 | dev->ctl_mute = c->value; | |
1129 | saa7134_tvaudio_setmute(dev); | |
1130 | break; | |
1131 | case V4L2_CID_AUDIO_VOLUME: | |
1132 | dev->ctl_volume = c->value; | |
1133 | saa7134_tvaudio_setvolume(dev,dev->ctl_volume); | |
1134 | break; | |
1135 | case V4L2_CID_PRIVATE_INVERT: | |
1136 | dev->ctl_invert = c->value; | |
1137 | saa_writeb(SAA7134_DEC_LUMA_CONTRAST, | |
1138 | dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); | |
1139 | saa_writeb(SAA7134_DEC_CHROMA_SATURATION, | |
1140 | dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); | |
1141 | break; | |
1142 | case V4L2_CID_VFLIP: | |
1143 | dev->ctl_mirror = c->value; | |
1144 | restart_overlay = 1; | |
1145 | break; | |
1146 | case V4L2_CID_PRIVATE_Y_EVEN: | |
1147 | dev->ctl_y_even = c->value; | |
1148 | restart_overlay = 1; | |
1149 | break; | |
1150 | case V4L2_CID_PRIVATE_Y_ODD: | |
1151 | dev->ctl_y_odd = c->value; | |
1152 | restart_overlay = 1; | |
1153 | break; | |
1154 | case V4L2_CID_PRIVATE_AUTOMUTE: | |
1155 | dev->ctl_automute = c->value; | |
1156 | if (dev->tda9887_conf) { | |
1157 | if (dev->ctl_automute) | |
1158 | dev->tda9887_conf |= TDA9887_AUTOMUTE; | |
1159 | else | |
1160 | dev->tda9887_conf &= ~TDA9887_AUTOMUTE; | |
1161 | saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG, | |
1162 | &dev->tda9887_conf); | |
1163 | } | |
1164 | break; | |
1165 | default: | |
1166 | return -EINVAL; | |
1167 | } | |
1168 | if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) { | |
1169 | spin_lock_irqsave(&dev->slock,flags); | |
1170 | stop_preview(dev,fh); | |
1171 | start_preview(dev,fh); | |
1172 | spin_unlock_irqrestore(&dev->slock,flags); | |
1173 | } | |
1174 | return 0; | |
1175 | } | |
1176 | ||
1177 | /* ------------------------------------------------------------------ */ | |
1178 | ||
1179 | static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh) | |
1180 | { | |
1181 | struct videobuf_queue* q = NULL; | |
1182 | ||
1183 | switch (fh->type) { | |
1184 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1185 | q = &fh->cap; | |
1186 | break; | |
1187 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1188 | q = &fh->vbi; | |
1189 | break; | |
1190 | default: | |
1191 | BUG(); | |
1192 | } | |
1193 | return q; | |
1194 | } | |
1195 | ||
1196 | static int saa7134_resource(struct saa7134_fh *fh) | |
1197 | { | |
1198 | int res = 0; | |
1199 | ||
1200 | switch (fh->type) { | |
1201 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1202 | res = RESOURCE_VIDEO; | |
1203 | break; | |
1204 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1205 | res = RESOURCE_VBI; | |
1206 | break; | |
1207 | default: | |
1208 | BUG(); | |
1209 | } | |
1210 | return res; | |
1211 | } | |
1212 | ||
1213 | static int video_open(struct inode *inode, struct file *file) | |
1214 | { | |
1215 | int minor = iminor(inode); | |
1216 | struct saa7134_dev *h,*dev = NULL; | |
1217 | struct saa7134_fh *fh; | |
1218 | struct list_head *list; | |
1219 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1220 | int radio = 0; | |
1221 | ||
1222 | list_for_each(list,&saa7134_devlist) { | |
1223 | h = list_entry(list, struct saa7134_dev, devlist); | |
1224 | if (h->video_dev && (h->video_dev->minor == minor)) | |
1225 | dev = h; | |
1226 | if (h->radio_dev && (h->radio_dev->minor == minor)) { | |
1227 | radio = 1; | |
1228 | dev = h; | |
1229 | } | |
1230 | if (h->vbi_dev && (h->vbi_dev->minor == minor)) { | |
1231 | type = V4L2_BUF_TYPE_VBI_CAPTURE; | |
1232 | dev = h; | |
1233 | } | |
1234 | } | |
1235 | if (NULL == dev) | |
1236 | return -ENODEV; | |
1237 | ||
1238 | dprintk("open minor=%d radio=%d type=%s\n",minor,radio, | |
1239 | v4l2_type_names[type]); | |
1240 | ||
1241 | /* allocate + initialize per filehandle data */ | |
1242 | fh = kmalloc(sizeof(*fh),GFP_KERNEL); | |
1243 | if (NULL == fh) | |
1244 | return -ENOMEM; | |
1245 | memset(fh,0,sizeof(*fh)); | |
1246 | file->private_data = fh; | |
1247 | fh->dev = dev; | |
1248 | fh->radio = radio; | |
1249 | fh->type = type; | |
1250 | fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); | |
1251 | fh->width = 720; | |
1252 | fh->height = 576; | |
1253 | v4l2_prio_open(&dev->prio,&fh->prio); | |
1254 | ||
1255 | videobuf_queue_init(&fh->cap, &video_qops, | |
1256 | dev->pci, &dev->slock, | |
1257 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
1258 | V4L2_FIELD_INTERLACED, | |
1259 | sizeof(struct saa7134_buf), | |
1260 | fh); | |
1261 | videobuf_queue_init(&fh->vbi, &saa7134_vbi_qops, | |
1262 | dev->pci, &dev->slock, | |
1263 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
1264 | V4L2_FIELD_SEQ_TB, | |
1265 | sizeof(struct saa7134_buf), | |
1266 | fh); | |
1267 | saa7134_pgtable_alloc(dev->pci,&fh->pt_cap); | |
1268 | saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi); | |
1269 | ||
1270 | if (fh->radio) { | |
1271 | /* switch to radio mode */ | |
1272 | saa7134_tvaudio_setinput(dev,&card(dev).radio); | |
1273 | saa7134_i2c_call_clients(dev,AUDC_SET_RADIO,NULL); | |
1274 | } else { | |
1275 | /* switch to video/vbi mode */ | |
1276 | video_mux(dev,dev->ctl_input); | |
1277 | } | |
1278 | return 0; | |
1279 | } | |
1280 | ||
1281 | static ssize_t | |
1282 | video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) | |
1283 | { | |
1284 | struct saa7134_fh *fh = file->private_data; | |
1285 | ||
1286 | switch (fh->type) { | |
1287 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1288 | if (res_locked(fh->dev,RESOURCE_VIDEO)) | |
1289 | return -EBUSY; | |
1290 | return videobuf_read_one(saa7134_queue(fh), | |
1291 | data, count, ppos, | |
1292 | file->f_flags & O_NONBLOCK); | |
1293 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1294 | if (!res_get(fh->dev,fh,RESOURCE_VBI)) | |
1295 | return -EBUSY; | |
1296 | return videobuf_read_stream(saa7134_queue(fh), | |
1297 | data, count, ppos, 1, | |
1298 | file->f_flags & O_NONBLOCK); | |
1299 | break; | |
1300 | default: | |
1301 | BUG(); | |
1302 | return 0; | |
1303 | } | |
1304 | } | |
1305 | ||
1306 | static unsigned int | |
1307 | video_poll(struct file *file, struct poll_table_struct *wait) | |
1308 | { | |
1309 | struct saa7134_fh *fh = file->private_data; | |
1310 | struct videobuf_buffer *buf = NULL; | |
1311 | ||
1312 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) | |
1313 | return videobuf_poll_stream(file, &fh->vbi, wait); | |
1314 | ||
1315 | if (res_check(fh,RESOURCE_VIDEO)) { | |
1316 | if (!list_empty(&fh->cap.stream)) | |
1317 | buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream); | |
1318 | } else { | |
1319 | down(&fh->cap.lock); | |
1320 | if (UNSET == fh->cap.read_off) { | |
1321 | /* need to capture a new frame */ | |
1322 | if (res_locked(fh->dev,RESOURCE_VIDEO)) { | |
1323 | up(&fh->cap.lock); | |
1324 | return POLLERR; | |
1325 | } | |
1326 | if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) { | |
1327 | up(&fh->cap.lock); | |
1328 | return POLLERR; | |
1329 | } | |
1330 | fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); | |
1331 | fh->cap.read_off = 0; | |
1332 | } | |
1333 | up(&fh->cap.lock); | |
1334 | buf = fh->cap.read_buf; | |
1335 | } | |
1336 | ||
1337 | if (!buf) | |
1338 | return POLLERR; | |
1339 | ||
1340 | poll_wait(file, &buf->done, wait); | |
1341 | if (buf->state == STATE_DONE || | |
1342 | buf->state == STATE_ERROR) | |
1343 | return POLLIN|POLLRDNORM; | |
1344 | return 0; | |
1345 | } | |
1346 | ||
1347 | static int video_release(struct inode *inode, struct file *file) | |
1348 | { | |
1349 | struct saa7134_fh *fh = file->private_data; | |
1350 | struct saa7134_dev *dev = fh->dev; | |
1351 | unsigned long flags; | |
1352 | ||
1353 | /* turn off overlay */ | |
1354 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
1355 | spin_lock_irqsave(&dev->slock,flags); | |
1356 | stop_preview(dev,fh); | |
1357 | spin_unlock_irqrestore(&dev->slock,flags); | |
1358 | res_free(dev,fh,RESOURCE_OVERLAY); | |
1359 | } | |
1360 | ||
1361 | /* stop video capture */ | |
1362 | if (res_check(fh, RESOURCE_VIDEO)) { | |
1363 | videobuf_streamoff(&fh->cap); | |
1364 | res_free(dev,fh,RESOURCE_VIDEO); | |
1365 | } | |
1366 | if (fh->cap.read_buf) { | |
1367 | buffer_release(&fh->cap,fh->cap.read_buf); | |
1368 | kfree(fh->cap.read_buf); | |
1369 | } | |
1370 | ||
1371 | /* stop vbi capture */ | |
1372 | if (res_check(fh, RESOURCE_VBI)) { | |
1373 | if (fh->vbi.streaming) | |
1374 | videobuf_streamoff(&fh->vbi); | |
1375 | if (fh->vbi.reading) | |
1376 | videobuf_read_stop(&fh->vbi); | |
1377 | res_free(dev,fh,RESOURCE_VBI); | |
1378 | } | |
1379 | ||
1380 | /* free stuff */ | |
1381 | videobuf_mmap_free(&fh->cap); | |
1382 | videobuf_mmap_free(&fh->vbi); | |
1383 | saa7134_pgtable_free(dev->pci,&fh->pt_cap); | |
1384 | saa7134_pgtable_free(dev->pci,&fh->pt_vbi); | |
1385 | ||
1386 | v4l2_prio_close(&dev->prio,&fh->prio); | |
1387 | file->private_data = NULL; | |
1388 | kfree(fh); | |
1389 | return 0; | |
1390 | } | |
1391 | ||
1392 | static int | |
1393 | video_mmap(struct file *file, struct vm_area_struct * vma) | |
1394 | { | |
1395 | struct saa7134_fh *fh = file->private_data; | |
1396 | ||
1397 | return videobuf_mmap_mapper(saa7134_queue(fh), vma); | |
1398 | } | |
1399 | ||
1400 | /* ------------------------------------------------------------------ */ | |
1401 | ||
1402 | static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f) | |
1403 | { | |
1404 | struct saa7134_tvnorm *norm = dev->tvnorm; | |
1405 | ||
1406 | f->fmt.vbi.sampling_rate = 6750000 * 4; | |
1407 | f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; | |
1408 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
1409 | f->fmt.vbi.offset = 64 * 4; | |
1410 | f->fmt.vbi.start[0] = norm->vbi_v_start; | |
1411 | f->fmt.vbi.count[0] = norm->vbi_v_stop - norm->vbi_v_start +1; | |
1412 | f->fmt.vbi.start[1] = norm->video_v_stop + norm->vbi_v_start +1; | |
1413 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; | |
1414 | f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ | |
1415 | ||
1416 | #if 0 | |
1417 | if (V4L2_STD_PAL == norm->id) { | |
1418 | /* FIXME */ | |
1419 | f->fmt.vbi.start[0] += 3; | |
1420 | f->fmt.vbi.start[1] += 3*2; | |
1421 | } | |
1422 | #endif | |
1423 | } | |
1424 | ||
1425 | static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, | |
1426 | struct v4l2_format *f) | |
1427 | { | |
1428 | switch (f->type) { | |
1429 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1430 | memset(&f->fmt.pix,0,sizeof(f->fmt.pix)); | |
1431 | f->fmt.pix.width = fh->width; | |
1432 | f->fmt.pix.height = fh->height; | |
1433 | f->fmt.pix.field = fh->cap.field; | |
1434 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
1435 | f->fmt.pix.bytesperline = | |
1436 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
1437 | f->fmt.pix.sizeimage = | |
1438 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
1439 | return 0; | |
1440 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
1441 | f->fmt.win = fh->win; | |
1442 | return 0; | |
1443 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1444 | saa7134_vbi_fmt(dev,f); | |
1445 | return 0; | |
1446 | default: | |
1447 | return -EINVAL; | |
1448 | } | |
1449 | } | |
1450 | ||
1451 | static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, | |
1452 | struct v4l2_format *f) | |
1453 | { | |
1454 | int err; | |
1455 | ||
1456 | switch (f->type) { | |
1457 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1458 | { | |
1459 | struct saa7134_format *fmt; | |
1460 | enum v4l2_field field; | |
1461 | unsigned int maxw, maxh; | |
1462 | ||
1463 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1464 | if (NULL == fmt) | |
1465 | return -EINVAL; | |
1466 | ||
1467 | field = f->fmt.pix.field; | |
1468 | maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); | |
1469 | maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); | |
1470 | ||
1471 | if (V4L2_FIELD_ANY == field) { | |
1472 | field = (f->fmt.pix.height > maxh/2) | |
1473 | ? V4L2_FIELD_INTERLACED | |
1474 | : V4L2_FIELD_BOTTOM; | |
1475 | } | |
1476 | switch (field) { | |
1477 | case V4L2_FIELD_TOP: | |
1478 | case V4L2_FIELD_BOTTOM: | |
1479 | maxh = maxh / 2; | |
1480 | break; | |
1481 | case V4L2_FIELD_INTERLACED: | |
1482 | break; | |
1483 | default: | |
1484 | return -EINVAL; | |
1485 | } | |
1486 | ||
1487 | f->fmt.pix.field = field; | |
1488 | if (f->fmt.pix.width < 48) | |
1489 | f->fmt.pix.width = 48; | |
1490 | if (f->fmt.pix.height < 32) | |
1491 | f->fmt.pix.height = 32; | |
1492 | if (f->fmt.pix.width > maxw) | |
1493 | f->fmt.pix.width = maxw; | |
1494 | if (f->fmt.pix.height > maxh) | |
1495 | f->fmt.pix.height = maxh; | |
1496 | f->fmt.pix.width &= ~0x03; | |
1497 | f->fmt.pix.bytesperline = | |
1498 | (f->fmt.pix.width * fmt->depth) >> 3; | |
1499 | f->fmt.pix.sizeimage = | |
1500 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
1501 | ||
1502 | return 0; | |
1503 | } | |
1504 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
1505 | err = verify_preview(dev,&f->fmt.win); | |
1506 | if (0 != err) | |
1507 | return err; | |
1508 | return 0; | |
1509 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1510 | saa7134_vbi_fmt(dev,f); | |
1511 | return 0; | |
1512 | default: | |
1513 | return -EINVAL; | |
1514 | } | |
1515 | } | |
1516 | ||
1517 | static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, | |
1518 | struct v4l2_format *f) | |
1519 | { | |
1520 | unsigned long flags; | |
1521 | int err; | |
1522 | ||
1523 | switch (f->type) { | |
1524 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1525 | err = saa7134_try_fmt(dev,fh,f); | |
1526 | if (0 != err) | |
1527 | return err; | |
1528 | ||
1529 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1530 | fh->width = f->fmt.pix.width; | |
1531 | fh->height = f->fmt.pix.height; | |
1532 | fh->cap.field = f->fmt.pix.field; | |
1533 | return 0; | |
1534 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
1535 | err = verify_preview(dev,&f->fmt.win); | |
1536 | if (0 != err) | |
1537 | return err; | |
1538 | ||
1539 | down(&dev->lock); | |
1540 | fh->win = f->fmt.win; | |
1541 | fh->nclips = f->fmt.win.clipcount; | |
1542 | if (fh->nclips > 8) | |
1543 | fh->nclips = 8; | |
1544 | if (copy_from_user(fh->clips,f->fmt.win.clips, | |
1545 | sizeof(struct v4l2_clip)*fh->nclips)) { | |
1546 | up(&dev->lock); | |
1547 | return -EFAULT; | |
1548 | } | |
1549 | ||
1550 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
1551 | spin_lock_irqsave(&dev->slock,flags); | |
1552 | stop_preview(dev,fh); | |
1553 | start_preview(dev,fh); | |
1554 | spin_unlock_irqrestore(&dev->slock,flags); | |
1555 | } | |
1556 | up(&dev->lock); | |
1557 | return 0; | |
1558 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1559 | saa7134_vbi_fmt(dev,f); | |
1560 | return 0; | |
1561 | default: | |
1562 | return -EINVAL; | |
1563 | } | |
1564 | } | |
1565 | ||
1566 | int saa7134_common_ioctl(struct saa7134_dev *dev, | |
1567 | unsigned int cmd, void *arg) | |
1568 | { | |
1569 | int err; | |
1570 | ||
1571 | switch (cmd) { | |
1572 | case VIDIOC_QUERYCTRL: | |
1573 | { | |
1574 | const struct v4l2_queryctrl *ctrl; | |
1575 | struct v4l2_queryctrl *c = arg; | |
1576 | ||
1577 | if ((c->id < V4L2_CID_BASE || | |
1578 | c->id >= V4L2_CID_LASTP1) && | |
1579 | (c->id < V4L2_CID_PRIVATE_BASE || | |
1580 | c->id >= V4L2_CID_PRIVATE_LASTP1)) | |
1581 | return -EINVAL; | |
1582 | ctrl = ctrl_by_id(c->id); | |
1583 | *c = (NULL != ctrl) ? *ctrl : no_ctrl; | |
1584 | return 0; | |
1585 | } | |
1586 | case VIDIOC_G_CTRL: | |
1587 | return get_control(dev,arg); | |
1588 | case VIDIOC_S_CTRL: | |
1589 | { | |
1590 | down(&dev->lock); | |
1591 | err = set_control(dev,NULL,arg); | |
1592 | up(&dev->lock); | |
1593 | return err; | |
1594 | } | |
1595 | /* --- input switching --------------------------------------- */ | |
1596 | case VIDIOC_ENUMINPUT: | |
1597 | { | |
1598 | struct v4l2_input *i = arg; | |
1599 | unsigned int n; | |
1600 | ||
1601 | n = i->index; | |
1602 | if (n >= SAA7134_INPUT_MAX) | |
1603 | return -EINVAL; | |
1604 | if (NULL == card_in(dev,i->index).name) | |
1605 | return -EINVAL; | |
1606 | memset(i,0,sizeof(*i)); | |
1607 | i->index = n; | |
1608 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1609 | strcpy(i->name,card_in(dev,n).name); | |
1610 | if (card_in(dev,n).tv) | |
1611 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1612 | i->audioset = 1; | |
1613 | if (n == dev->ctl_input) { | |
1614 | int v1 = saa_readb(SAA7134_STATUS_VIDEO1); | |
1615 | int v2 = saa_readb(SAA7134_STATUS_VIDEO2); | |
1616 | ||
1617 | if (0 != (v1 & 0x40)) | |
1618 | i->status |= V4L2_IN_ST_NO_H_LOCK; | |
1619 | if (0 != (v2 & 0x40)) | |
1620 | i->status |= V4L2_IN_ST_NO_SYNC; | |
1621 | if (0 != (v2 & 0x0e)) | |
1622 | i->status |= V4L2_IN_ST_MACROVISION; | |
1623 | } | |
1624 | for (n = 0; n < TVNORMS; n++) | |
1625 | i->std |= tvnorms[n].id; | |
1626 | return 0; | |
1627 | } | |
1628 | case VIDIOC_G_INPUT: | |
1629 | { | |
1630 | int *i = arg; | |
1631 | *i = dev->ctl_input; | |
1632 | return 0; | |
1633 | } | |
1634 | case VIDIOC_S_INPUT: | |
1635 | { | |
1636 | int *i = arg; | |
1637 | ||
1638 | if (*i < 0 || *i >= SAA7134_INPUT_MAX) | |
1639 | return -EINVAL; | |
1640 | if (NULL == card_in(dev,*i).name) | |
1641 | return -EINVAL; | |
1642 | down(&dev->lock); | |
1643 | video_mux(dev,*i); | |
1644 | up(&dev->lock); | |
1645 | return 0; | |
1646 | } | |
1647 | ||
1648 | } | |
1649 | return 0; | |
1650 | } | |
1651 | EXPORT_SYMBOL(saa7134_common_ioctl); | |
1652 | ||
1653 | /* | |
1654 | * This function is _not_ called directly, but from | |
1655 | * video_generic_ioctl (and maybe others). userspace | |
1656 | * copying is done already, arg is a kernel pointer. | |
1657 | */ | |
1658 | static int video_do_ioctl(struct inode *inode, struct file *file, | |
1659 | unsigned int cmd, void *arg) | |
1660 | { | |
1661 | struct saa7134_fh *fh = file->private_data; | |
1662 | struct saa7134_dev *dev = fh->dev; | |
1663 | unsigned long flags; | |
1664 | int err; | |
1665 | ||
1666 | if (video_debug > 1) | |
1667 | saa7134_print_ioctl(dev->name,cmd); | |
1668 | ||
1669 | switch (cmd) { | |
1670 | case VIDIOC_S_CTRL: | |
1671 | case VIDIOC_S_STD: | |
1672 | case VIDIOC_S_INPUT: | |
1673 | case VIDIOC_S_TUNER: | |
1674 | case VIDIOC_S_FREQUENCY: | |
1675 | err = v4l2_prio_check(&dev->prio,&fh->prio); | |
1676 | if (0 != err) | |
1677 | return err; | |
1678 | } | |
1679 | ||
1680 | switch (cmd) { | |
1681 | case VIDIOC_QUERYCAP: | |
1682 | { | |
1683 | struct v4l2_capability *cap = arg; | |
1684 | ||
1685 | memset(cap,0,sizeof(*cap)); | |
1686 | strcpy(cap->driver, "saa7134"); | |
1687 | strlcpy(cap->card, saa7134_boards[dev->board].name, | |
1688 | sizeof(cap->card)); | |
1689 | sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); | |
1690 | cap->version = SAA7134_VERSION_CODE; | |
1691 | cap->capabilities = | |
1692 | V4L2_CAP_VIDEO_CAPTURE | | |
1693 | V4L2_CAP_VIDEO_OVERLAY | | |
1694 | V4L2_CAP_VBI_CAPTURE | | |
1695 | V4L2_CAP_TUNER | | |
1696 | V4L2_CAP_READWRITE | | |
1697 | V4L2_CAP_STREAMING; | |
1698 | return 0; | |
1699 | } | |
1700 | ||
1701 | /* --- tv standards ------------------------------------------ */ | |
1702 | case VIDIOC_ENUMSTD: | |
1703 | { | |
1704 | struct v4l2_standard *e = arg; | |
1705 | unsigned int i; | |
1706 | ||
1707 | i = e->index; | |
1708 | if (i >= TVNORMS) | |
1709 | return -EINVAL; | |
1710 | err = v4l2_video_std_construct(e, tvnorms[e->index].id, | |
1711 | tvnorms[e->index].name); | |
1712 | e->index = i; | |
1713 | if (err < 0) | |
1714 | return err; | |
1715 | return 0; | |
1716 | } | |
1717 | case VIDIOC_G_STD: | |
1718 | { | |
1719 | v4l2_std_id *id = arg; | |
1720 | ||
1721 | *id = dev->tvnorm->id; | |
1722 | return 0; | |
1723 | } | |
1724 | case VIDIOC_S_STD: | |
1725 | { | |
1726 | v4l2_std_id *id = arg; | |
1727 | unsigned int i; | |
1728 | ||
1729 | for (i = 0; i < TVNORMS; i++) | |
1730 | if (*id == tvnorms[i].id) | |
1731 | break; | |
1732 | if (i == TVNORMS) | |
1733 | for (i = 0; i < TVNORMS; i++) | |
1734 | if (*id & tvnorms[i].id) | |
1735 | break; | |
1736 | if (i == TVNORMS) | |
1737 | return -EINVAL; | |
1738 | ||
1739 | down(&dev->lock); | |
1740 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
1741 | spin_lock_irqsave(&dev->slock,flags); | |
1742 | stop_preview(dev,fh); | |
1743 | set_tvnorm(dev,&tvnorms[i]); | |
1744 | start_preview(dev,fh); | |
1745 | spin_unlock_irqrestore(&dev->slock,flags); | |
1746 | } else | |
1747 | set_tvnorm(dev,&tvnorms[i]); | |
1748 | saa7134_tvaudio_do_scan(dev); | |
1749 | up(&dev->lock); | |
1750 | return 0; | |
1751 | } | |
1752 | ||
1753 | case VIDIOC_CROPCAP: | |
1754 | { | |
1755 | struct v4l2_cropcap *cap = arg; | |
1756 | ||
1757 | if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
1758 | cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) | |
1759 | return -EINVAL; | |
1760 | cap->bounds = dev->crop_bounds; | |
1761 | cap->defrect = dev->crop_defrect; | |
1762 | cap->pixelaspect.numerator = 1; | |
1763 | cap->pixelaspect.denominator = 1; | |
1764 | if (dev->tvnorm->id & V4L2_STD_525_60) { | |
1765 | cap->pixelaspect.numerator = 11; | |
1766 | cap->pixelaspect.denominator = 10; | |
1767 | } | |
1768 | if (dev->tvnorm->id & V4L2_STD_625_50) { | |
1769 | cap->pixelaspect.numerator = 54; | |
1770 | cap->pixelaspect.denominator = 59; | |
1771 | } | |
1772 | return 0; | |
1773 | } | |
1774 | ||
1775 | case VIDIOC_G_CROP: | |
1776 | { | |
1777 | struct v4l2_crop * crop = arg; | |
1778 | ||
1779 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
1780 | crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) | |
1781 | return -EINVAL; | |
1782 | crop->c = dev->crop_current; | |
1783 | return 0; | |
1784 | } | |
1785 | case VIDIOC_S_CROP: | |
1786 | { | |
1787 | struct v4l2_crop *crop = arg; | |
1788 | struct v4l2_rect *b = &dev->crop_bounds; | |
1789 | ||
1790 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
1791 | crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) | |
1792 | return -EINVAL; | |
1793 | if (crop->c.height < 0) | |
1794 | return -EINVAL; | |
1795 | if (crop->c.width < 0) | |
1796 | return -EINVAL; | |
1797 | ||
1798 | if (res_locked(fh->dev,RESOURCE_OVERLAY)) | |
1799 | return -EBUSY; | |
1800 | if (res_locked(fh->dev,RESOURCE_VIDEO)) | |
1801 | return -EBUSY; | |
1802 | ||
1803 | if (crop->c.top < b->top) | |
1804 | crop->c.top = b->top; | |
1805 | if (crop->c.top > b->top + b->height) | |
1806 | crop->c.top = b->top + b->height; | |
1807 | if (crop->c.height > b->top - crop->c.top + b->height) | |
1808 | crop->c.height = b->top - crop->c.top + b->height; | |
1809 | ||
1810 | if (crop->c.left < b->left) | |
1811 | crop->c.top = b->left; | |
1812 | if (crop->c.left > b->left + b->width) | |
1813 | crop->c.top = b->left + b->width; | |
1814 | if (crop->c.width > b->left - crop->c.left + b->width) | |
1815 | crop->c.width = b->left - crop->c.left + b->width; | |
1816 | ||
1817 | dev->crop_current = crop->c; | |
1818 | return 0; | |
1819 | } | |
1820 | ||
1821 | /* --- tuner ioctls ------------------------------------------ */ | |
1822 | case VIDIOC_G_TUNER: | |
1823 | { | |
1824 | struct v4l2_tuner *t = arg; | |
1825 | int n; | |
1826 | ||
1827 | if (0 != t->index) | |
1828 | return -EINVAL; | |
1829 | memset(t,0,sizeof(*t)); | |
1830 | for (n = 0; n < SAA7134_INPUT_MAX; n++) | |
1831 | if (card_in(dev,n).tv) | |
1832 | break; | |
1833 | if (NULL != card_in(dev,n).name) { | |
1834 | strcpy(t->name, "Television"); | |
1835 | t->capability = V4L2_TUNER_CAP_NORM | | |
1836 | V4L2_TUNER_CAP_STEREO | | |
1837 | V4L2_TUNER_CAP_LANG1 | | |
1838 | V4L2_TUNER_CAP_LANG2; | |
1839 | t->rangehigh = 0xffffffffUL; | |
1840 | t->rxsubchans = saa7134_tvaudio_getstereo(dev); | |
1841 | t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); | |
1842 | } | |
1843 | if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) | |
1844 | t->signal = 0xffff; | |
1845 | return 0; | |
1846 | } | |
1847 | case VIDIOC_S_TUNER: | |
1848 | { | |
1849 | struct v4l2_tuner *t = arg; | |
1850 | int rx,mode; | |
1851 | ||
1852 | mode = dev->thread.mode; | |
1853 | if (UNSET == mode) { | |
1854 | rx = saa7134_tvaudio_getstereo(dev); | |
1855 | mode = saa7134_tvaudio_rx2mode(t->rxsubchans); | |
1856 | } | |
1857 | if (mode != t->audmode) { | |
1858 | dev->thread.mode = t->audmode; | |
1859 | } | |
1860 | return 0; | |
1861 | } | |
1862 | case VIDIOC_G_FREQUENCY: | |
1863 | { | |
1864 | struct v4l2_frequency *f = arg; | |
1865 | ||
1866 | memset(f,0,sizeof(*f)); | |
1867 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; | |
1868 | f->frequency = dev->ctl_freq; | |
1869 | return 0; | |
1870 | } | |
1871 | case VIDIOC_S_FREQUENCY: | |
1872 | { | |
1873 | struct v4l2_frequency *f = arg; | |
1874 | ||
1875 | if (0 != f->tuner) | |
1876 | return -EINVAL; | |
1877 | if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type) | |
1878 | return -EINVAL; | |
1879 | if (1 == fh->radio && V4L2_TUNER_RADIO != f->type) | |
1880 | return -EINVAL; | |
1881 | down(&dev->lock); | |
1882 | dev->ctl_freq = f->frequency; | |
1883 | #ifdef V4L2_I2C_CLIENTS | |
1884 | saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f); | |
1885 | #else | |
1886 | saa7134_i2c_call_clients(dev,VIDIOCSFREQ,&dev->ctl_freq); | |
1887 | #endif | |
1888 | saa7134_tvaudio_do_scan(dev); | |
1889 | up(&dev->lock); | |
1890 | return 0; | |
1891 | } | |
1892 | ||
1893 | /* --- control ioctls ---------------------------------------- */ | |
1894 | case VIDIOC_ENUMINPUT: | |
1895 | case VIDIOC_G_INPUT: | |
1896 | case VIDIOC_S_INPUT: | |
1897 | case VIDIOC_QUERYCTRL: | |
1898 | case VIDIOC_G_CTRL: | |
1899 | case VIDIOC_S_CTRL: | |
1900 | return saa7134_common_ioctl(dev, cmd, arg); | |
1901 | ||
1902 | case VIDIOC_G_AUDIO: | |
1903 | { | |
1904 | struct v4l2_audio *a = arg; | |
1905 | ||
1906 | memset(a,0,sizeof(*a)); | |
1907 | strcpy(a->name,"audio"); | |
1908 | return 0; | |
1909 | } | |
1910 | case VIDIOC_S_AUDIO: | |
1911 | return 0; | |
1912 | case VIDIOC_G_PARM: | |
1913 | { | |
1914 | struct v4l2_captureparm *parm = arg; | |
1915 | memset(parm,0,sizeof(*parm)); | |
1916 | return 0; | |
1917 | } | |
1918 | ||
1919 | case VIDIOC_G_PRIORITY: | |
1920 | { | |
1921 | enum v4l2_priority *p = arg; | |
1922 | ||
1923 | *p = v4l2_prio_max(&dev->prio); | |
1924 | return 0; | |
1925 | } | |
1926 | case VIDIOC_S_PRIORITY: | |
1927 | { | |
1928 | enum v4l2_priority *prio = arg; | |
1929 | ||
1930 | return v4l2_prio_change(&dev->prio, &fh->prio, *prio); | |
1931 | } | |
1932 | ||
1933 | /* --- preview ioctls ---------------------------------------- */ | |
1934 | case VIDIOC_ENUM_FMT: | |
1935 | { | |
1936 | struct v4l2_fmtdesc *f = arg; | |
1937 | enum v4l2_buf_type type; | |
1938 | unsigned int index; | |
1939 | ||
1940 | index = f->index; | |
1941 | type = f->type; | |
1942 | switch (type) { | |
1943 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1944 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
1945 | if (index >= FORMATS) | |
1946 | return -EINVAL; | |
1947 | if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY && | |
1948 | formats[index].planar) | |
1949 | return -EINVAL; | |
1950 | memset(f,0,sizeof(*f)); | |
1951 | f->index = index; | |
1952 | f->type = type; | |
1953 | strlcpy(f->description,formats[index].name,sizeof(f->description)); | |
1954 | f->pixelformat = formats[index].fourcc; | |
1955 | break; | |
1956 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1957 | if (0 != index) | |
1958 | return -EINVAL; | |
1959 | memset(f,0,sizeof(*f)); | |
1960 | f->index = index; | |
1961 | f->type = type; | |
1962 | f->pixelformat = V4L2_PIX_FMT_GREY; | |
1963 | strcpy(f->description,"vbi data"); | |
1964 | break; | |
1965 | default: | |
1966 | return -EINVAL; | |
1967 | } | |
1968 | return 0; | |
1969 | } | |
1970 | case VIDIOC_G_FBUF: | |
1971 | { | |
1972 | struct v4l2_framebuffer *fb = arg; | |
1973 | ||
1974 | *fb = dev->ovbuf; | |
1975 | fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; | |
1976 | return 0; | |
1977 | } | |
1978 | case VIDIOC_S_FBUF: | |
1979 | { | |
1980 | struct v4l2_framebuffer *fb = arg; | |
1981 | struct saa7134_format *fmt; | |
1982 | ||
1983 | if(!capable(CAP_SYS_ADMIN) && | |
1984 | !capable(CAP_SYS_RAWIO)) | |
1985 | return -EPERM; | |
1986 | ||
1987 | /* check args */ | |
1988 | fmt = format_by_fourcc(fb->fmt.pixelformat); | |
1989 | if (NULL == fmt) | |
1990 | return -EINVAL; | |
1991 | ||
1992 | /* ok, accept it */ | |
1993 | dev->ovbuf = *fb; | |
1994 | dev->ovfmt = fmt; | |
1995 | if (0 == dev->ovbuf.fmt.bytesperline) | |
1996 | dev->ovbuf.fmt.bytesperline = | |
1997 | dev->ovbuf.fmt.width*fmt->depth/8; | |
1998 | return 0; | |
1999 | } | |
2000 | case VIDIOC_OVERLAY: | |
2001 | { | |
2002 | int *on = arg; | |
2003 | ||
2004 | if (*on) { | |
2005 | if (!res_get(dev,fh,RESOURCE_OVERLAY)) | |
2006 | return -EBUSY; | |
2007 | spin_lock_irqsave(&dev->slock,flags); | |
2008 | start_preview(dev,fh); | |
2009 | spin_unlock_irqrestore(&dev->slock,flags); | |
2010 | } | |
2011 | if (!*on) { | |
2012 | if (!res_check(fh, RESOURCE_OVERLAY)) | |
2013 | return -EINVAL; | |
2014 | spin_lock_irqsave(&dev->slock,flags); | |
2015 | stop_preview(dev,fh); | |
2016 | spin_unlock_irqrestore(&dev->slock,flags); | |
2017 | res_free(dev,fh,RESOURCE_OVERLAY); | |
2018 | } | |
2019 | return 0; | |
2020 | } | |
2021 | ||
2022 | /* --- capture ioctls ---------------------------------------- */ | |
2023 | case VIDIOC_G_FMT: | |
2024 | { | |
2025 | struct v4l2_format *f = arg; | |
2026 | return saa7134_g_fmt(dev,fh,f); | |
2027 | } | |
2028 | case VIDIOC_S_FMT: | |
2029 | { | |
2030 | struct v4l2_format *f = arg; | |
2031 | return saa7134_s_fmt(dev,fh,f); | |
2032 | } | |
2033 | case VIDIOC_TRY_FMT: | |
2034 | { | |
2035 | struct v4l2_format *f = arg; | |
2036 | return saa7134_try_fmt(dev,fh,f); | |
2037 | } | |
2038 | ||
2039 | case VIDIOCGMBUF: | |
2040 | { | |
2041 | struct video_mbuf *mbuf = arg; | |
2042 | struct videobuf_queue *q; | |
2043 | struct v4l2_requestbuffers req; | |
2044 | unsigned int i; | |
2045 | ||
2046 | q = saa7134_queue(fh); | |
2047 | memset(&req,0,sizeof(req)); | |
2048 | req.type = q->type; | |
2049 | req.count = gbuffers; | |
2050 | req.memory = V4L2_MEMORY_MMAP; | |
2051 | err = videobuf_reqbufs(q,&req); | |
2052 | if (err < 0) | |
2053 | return err; | |
2054 | memset(mbuf,0,sizeof(*mbuf)); | |
2055 | mbuf->frames = req.count; | |
2056 | mbuf->size = 0; | |
2057 | for (i = 0; i < mbuf->frames; i++) { | |
2058 | mbuf->offsets[i] = q->bufs[i]->boff; | |
2059 | mbuf->size += q->bufs[i]->bsize; | |
2060 | } | |
2061 | return 0; | |
2062 | } | |
2063 | case VIDIOC_REQBUFS: | |
2064 | return videobuf_reqbufs(saa7134_queue(fh),arg); | |
2065 | ||
2066 | case VIDIOC_QUERYBUF: | |
2067 | return videobuf_querybuf(saa7134_queue(fh),arg); | |
2068 | ||
2069 | case VIDIOC_QBUF: | |
2070 | return videobuf_qbuf(saa7134_queue(fh),arg); | |
2071 | ||
2072 | case VIDIOC_DQBUF: | |
2073 | return videobuf_dqbuf(saa7134_queue(fh),arg, | |
2074 | file->f_flags & O_NONBLOCK); | |
2075 | ||
2076 | case VIDIOC_STREAMON: | |
2077 | { | |
2078 | int res = saa7134_resource(fh); | |
2079 | ||
2080 | if (!res_get(dev,fh,res)) | |
2081 | return -EBUSY; | |
2082 | return videobuf_streamon(saa7134_queue(fh)); | |
2083 | } | |
2084 | case VIDIOC_STREAMOFF: | |
2085 | { | |
2086 | int res = saa7134_resource(fh); | |
2087 | ||
2088 | err = videobuf_streamoff(saa7134_queue(fh)); | |
2089 | if (err < 0) | |
2090 | return err; | |
2091 | res_free(dev,fh,res); | |
2092 | return 0; | |
2093 | } | |
2094 | ||
2095 | default: | |
2096 | return v4l_compat_translate_ioctl(inode,file,cmd,arg, | |
2097 | video_do_ioctl); | |
2098 | } | |
2099 | return 0; | |
2100 | } | |
2101 | ||
2102 | static int video_ioctl(struct inode *inode, struct file *file, | |
2103 | unsigned int cmd, unsigned long arg) | |
2104 | { | |
2105 | return video_usercopy(inode, file, cmd, arg, video_do_ioctl); | |
2106 | } | |
2107 | ||
2108 | static int radio_do_ioctl(struct inode *inode, struct file *file, | |
2109 | unsigned int cmd, void *arg) | |
2110 | { | |
2111 | struct saa7134_fh *fh = file->private_data; | |
2112 | struct saa7134_dev *dev = fh->dev; | |
2113 | ||
2114 | if (video_debug > 1) | |
2115 | saa7134_print_ioctl(dev->name,cmd); | |
2116 | switch (cmd) { | |
2117 | case VIDIOC_QUERYCAP: | |
2118 | { | |
2119 | struct v4l2_capability *cap = arg; | |
2120 | ||
2121 | memset(cap,0,sizeof(*cap)); | |
2122 | strcpy(cap->driver, "saa7134"); | |
2123 | strlcpy(cap->card, saa7134_boards[dev->board].name, | |
2124 | sizeof(cap->card)); | |
2125 | sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); | |
2126 | cap->version = SAA7134_VERSION_CODE; | |
2127 | cap->capabilities = V4L2_CAP_TUNER; | |
2128 | return 0; | |
2129 | } | |
2130 | case VIDIOC_G_TUNER: | |
2131 | { | |
2132 | struct v4l2_tuner *t = arg; | |
2133 | ||
2134 | if (0 != t->index) | |
2135 | return -EINVAL; | |
2136 | ||
2137 | memset(t,0,sizeof(*t)); | |
2138 | strcpy(t->name, "Radio"); | |
2139 | t->rangelow = (int)(65*16); | |
2140 | t->rangehigh = (int)(108*16); | |
2141 | ||
2142 | #ifdef V4L2_I2C_CLIENTS | |
2143 | saa7134_i2c_call_clients(dev,VIDIOC_G_TUNER,t); | |
2144 | #else | |
2145 | { | |
2146 | struct video_tuner vt; | |
2147 | memset(&vt,0,sizeof(vt)); | |
2148 | saa7134_i2c_call_clients(dev,VIDIOCGTUNER,&vt); | |
2149 | t->signal = vt.signal; | |
2150 | } | |
2151 | #endif | |
2152 | return 0; | |
2153 | } | |
2154 | case VIDIOC_ENUMINPUT: | |
2155 | { | |
2156 | struct v4l2_input *i = arg; | |
2157 | ||
2158 | if (i->index != 0) | |
2159 | return -EINVAL; | |
2160 | strcpy(i->name,"Radio"); | |
2161 | i->type = V4L2_INPUT_TYPE_TUNER; | |
2162 | return 0; | |
2163 | } | |
2164 | case VIDIOC_G_INPUT: | |
2165 | { | |
2166 | int *i = arg; | |
2167 | *i = 0; | |
2168 | return 0; | |
2169 | } | |
2170 | case VIDIOC_G_AUDIO: | |
2171 | { | |
2172 | struct v4l2_audio *a = arg; | |
2173 | ||
2174 | memset(a,0,sizeof(*a)); | |
2175 | strcpy(a->name,"Radio"); | |
2176 | return 0; | |
2177 | } | |
2178 | case VIDIOC_G_STD: | |
2179 | { | |
2180 | v4l2_std_id *id = arg; | |
2181 | *id = 0; | |
2182 | return 0; | |
2183 | } | |
2184 | case VIDIOC_S_AUDIO: | |
2185 | case VIDIOC_S_TUNER: | |
2186 | case VIDIOC_S_INPUT: | |
2187 | case VIDIOC_S_STD: | |
2188 | return 0; | |
2189 | ||
2190 | case VIDIOC_QUERYCTRL: | |
2191 | { | |
2192 | const struct v4l2_queryctrl *ctrl; | |
2193 | struct v4l2_queryctrl *c = arg; | |
2194 | ||
2195 | if (c->id < V4L2_CID_BASE || | |
2196 | c->id >= V4L2_CID_LASTP1) | |
2197 | return -EINVAL; | |
2198 | if (c->id == V4L2_CID_AUDIO_MUTE) { | |
2199 | ctrl = ctrl_by_id(c->id); | |
2200 | *c = *ctrl; | |
2201 | } else | |
2202 | *c = no_ctrl; | |
2203 | return 0; | |
2204 | } | |
2205 | ||
2206 | case VIDIOC_G_CTRL: | |
2207 | case VIDIOC_S_CTRL: | |
2208 | case VIDIOC_G_FREQUENCY: | |
2209 | case VIDIOC_S_FREQUENCY: | |
2210 | return video_do_ioctl(inode,file,cmd,arg); | |
2211 | ||
2212 | default: | |
2213 | return v4l_compat_translate_ioctl(inode,file,cmd,arg, | |
2214 | radio_do_ioctl); | |
2215 | } | |
2216 | return 0; | |
2217 | } | |
2218 | ||
2219 | static int radio_ioctl(struct inode *inode, struct file *file, | |
2220 | unsigned int cmd, unsigned long arg) | |
2221 | { | |
2222 | return video_usercopy(inode, file, cmd, arg, radio_do_ioctl); | |
2223 | } | |
2224 | ||
2225 | static struct file_operations video_fops = | |
2226 | { | |
2227 | .owner = THIS_MODULE, | |
2228 | .open = video_open, | |
2229 | .release = video_release, | |
2230 | .read = video_read, | |
2231 | .poll = video_poll, | |
2232 | .mmap = video_mmap, | |
2233 | .ioctl = video_ioctl, | |
2234 | .llseek = no_llseek, | |
2235 | }; | |
2236 | ||
2237 | static struct file_operations radio_fops = | |
2238 | { | |
2239 | .owner = THIS_MODULE, | |
2240 | .open = video_open, | |
2241 | .release = video_release, | |
2242 | .ioctl = radio_ioctl, | |
2243 | .llseek = no_llseek, | |
2244 | }; | |
2245 | ||
2246 | /* ----------------------------------------------------------- */ | |
2247 | /* exported stuff */ | |
2248 | ||
2249 | struct video_device saa7134_video_template = | |
2250 | { | |
2251 | .name = "saa7134-video", | |
2252 | .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_OVERLAY| | |
2253 | VID_TYPE_CLIPPING|VID_TYPE_SCALES, | |
2254 | .hardware = 0, | |
2255 | .fops = &video_fops, | |
2256 | .minor = -1, | |
2257 | }; | |
2258 | ||
2259 | struct video_device saa7134_vbi_template = | |
2260 | { | |
2261 | .name = "saa7134-vbi", | |
2262 | .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT, | |
2263 | .hardware = 0, | |
2264 | .fops = &video_fops, | |
2265 | .minor = -1, | |
2266 | }; | |
2267 | ||
2268 | struct video_device saa7134_radio_template = | |
2269 | { | |
2270 | .name = "saa7134-radio", | |
2271 | .type = VID_TYPE_TUNER, | |
2272 | .hardware = 0, | |
2273 | .fops = &radio_fops, | |
2274 | .minor = -1, | |
2275 | }; | |
2276 | ||
2277 | int saa7134_video_init1(struct saa7134_dev *dev) | |
2278 | { | |
2279 | /* sanitycheck insmod options */ | |
2280 | if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) | |
2281 | gbuffers = 2; | |
2282 | if (gbufsize < 0 || gbufsize > gbufsize_max) | |
2283 | gbufsize = gbufsize_max; | |
2284 | gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; | |
2285 | ||
2286 | /* put some sensible defaults into the data structures ... */ | |
2287 | dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value; | |
2288 | dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value; | |
2289 | dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value; | |
2290 | dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value; | |
2291 | dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value; | |
2292 | dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value; | |
2293 | dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value; | |
2294 | dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value; | |
2295 | ||
2296 | if (dev->tda9887_conf && dev->ctl_automute) | |
2297 | dev->tda9887_conf |= TDA9887_AUTOMUTE; | |
2298 | dev->automute = 0; | |
2299 | ||
2300 | INIT_LIST_HEAD(&dev->video_q.queue); | |
2301 | init_timer(&dev->video_q.timeout); | |
2302 | dev->video_q.timeout.function = saa7134_buffer_timeout; | |
2303 | dev->video_q.timeout.data = (unsigned long)(&dev->video_q); | |
2304 | dev->video_q.dev = dev; | |
2305 | ||
2306 | if (saa7134_boards[dev->board].video_out) { | |
2307 | /* enable video output */ | |
2308 | int vo = saa7134_boards[dev->board].video_out; | |
2309 | saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); | |
2310 | saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_out[vo][1]); | |
2311 | saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); | |
2312 | saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); | |
2313 | saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); | |
2314 | saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_out[vo][5]); | |
2315 | saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_out[vo][6]); | |
2316 | saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); | |
2317 | saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); | |
2318 | } | |
2319 | ||
2320 | return 0; | |
2321 | } | |
2322 | ||
2323 | int saa7134_video_init2(struct saa7134_dev *dev) | |
2324 | { | |
2325 | /* init video hw */ | |
2326 | set_tvnorm(dev,&tvnorms[0]); | |
2327 | video_mux(dev,0); | |
2328 | saa7134_tvaudio_setmute(dev); | |
2329 | saa7134_tvaudio_setvolume(dev,dev->ctl_volume); | |
2330 | return 0; | |
2331 | } | |
2332 | ||
2333 | int saa7134_video_fini(struct saa7134_dev *dev) | |
2334 | { | |
2335 | /* nothing */ | |
2336 | return 0; | |
2337 | } | |
2338 | ||
2339 | void saa7134_irq_video_intl(struct saa7134_dev *dev) | |
2340 | { | |
2341 | static const char *st[] = { | |
2342 | "(no signal)", "NTSC", "PAL", "SECAM" }; | |
2343 | u32 st1,st2; | |
2344 | ||
2345 | st1 = saa_readb(SAA7134_STATUS_VIDEO1); | |
2346 | st2 = saa_readb(SAA7134_STATUS_VIDEO2); | |
2347 | dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n", | |
2348 | (st1 & 0x40) ? "not locked" : "locked", | |
2349 | (st2 & 0x40) ? "no" : "yes", | |
2350 | st[st1 & 0x03]); | |
2351 | dev->nosignal = (st1 & 0x40) || (st2 & 0x40); | |
2352 | ||
2353 | if (dev->nosignal) { | |
2354 | /* no video signal -> mute audio */ | |
2355 | if (dev->ctl_automute) | |
2356 | dev->automute = 1; | |
2357 | saa7134_tvaudio_setmute(dev); | |
2358 | saa_setb(SAA7134_SYNC_CTRL, 0x20); | |
2359 | } else { | |
2360 | /* wake up tvaudio audio carrier scan thread */ | |
2361 | saa7134_tvaudio_do_scan(dev); | |
2362 | if (!noninterlaced) | |
2363 | saa_clearb(SAA7134_SYNC_CTRL, 0x20); | |
2364 | } | |
2365 | if (dev->mops && dev->mops->signal_change) | |
2366 | dev->mops->signal_change(dev); | |
2367 | } | |
2368 | ||
2369 | void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) | |
2370 | { | |
2371 | enum v4l2_field field; | |
2372 | ||
2373 | spin_lock(&dev->slock); | |
2374 | if (dev->video_q.curr) { | |
2375 | dev->video_fieldcount++; | |
2376 | field = dev->video_q.curr->vb.field; | |
2377 | if (V4L2_FIELD_HAS_BOTH(field)) { | |
2378 | /* make sure we have seen both fields */ | |
2379 | if ((status & 0x10) == 0x00) { | |
2380 | dev->video_q.curr->top_seen = 1; | |
2381 | goto done; | |
2382 | } | |
2383 | if (!dev->video_q.curr->top_seen) | |
2384 | goto done; | |
2385 | } else if (field == V4L2_FIELD_TOP) { | |
2386 | if ((status & 0x10) != 0x10) | |
2387 | goto done; | |
2388 | } else if (field == V4L2_FIELD_BOTTOM) { | |
2389 | if ((status & 0x10) != 0x00) | |
2390 | goto done; | |
2391 | } | |
2392 | dev->video_q.curr->vb.field_count = dev->video_fieldcount; | |
2393 | saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE); | |
2394 | } | |
2395 | saa7134_buffer_next(dev,&dev->video_q); | |
2396 | ||
2397 | done: | |
2398 | spin_unlock(&dev->slock); | |
2399 | } | |
2400 | ||
2401 | /* ----------------------------------------------------------- */ | |
2402 | /* | |
2403 | * Local variables: | |
2404 | * c-basic-offset: 8 | |
2405 | * End: | |
2406 | */ |