Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * device driver for philips saa7134 based TV cards | |
4 | * video4linux video interface | |
5 | * | |
6 | * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | */ | |
22 | ||
23 | #include <linux/init.h> | |
24 | #include <linux/list.h> | |
25 | #include <linux/module.h> | |
1da177e4 LT |
26 | #include <linux/kernel.h> |
27 | #include <linux/slab.h> | |
9040b32e | 28 | #include <linux/sort.h> |
1da177e4 LT |
29 | |
30 | #include "saa7134-reg.h" | |
31 | #include "saa7134.h" | |
5e453dc7 | 32 | #include <media/v4l2-common.h> |
1da177e4 | 33 | |
cd41e28e | 34 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
79436633 MCC |
35 | /* Include V4L1 specific functions. Should be removed soon */ |
36 | #include <linux/videodev.h> | |
cd41e28e | 37 | #endif |
79436633 | 38 | |
1da177e4 LT |
39 | /* ------------------------------------------------------------------ */ |
40 | ||
41 | static unsigned int video_debug = 0; | |
42 | static unsigned int gbuffers = 8; | |
11f7078c | 43 | static unsigned int noninterlaced = 0; |
1da177e4 LT |
44 | static unsigned int gbufsize = 720*576*4; |
45 | static unsigned int gbufsize_max = 720*576*4; | |
17b10a73 | 46 | static char secam[] = "--"; |
1da177e4 LT |
47 | module_param(video_debug, int, 0644); |
48 | MODULE_PARM_DESC(video_debug,"enable debug messages [video]"); | |
49 | module_param(gbuffers, int, 0444); | |
50 | MODULE_PARM_DESC(gbuffers,"number of capture buffers, range 2-32"); | |
51 | module_param(noninterlaced, int, 0644); | |
d5fdd135 | 52 | MODULE_PARM_DESC(noninterlaced,"capture non interlaced video"); |
17b10a73 HH |
53 | module_param_string(secam, secam, sizeof(secam), 0644); |
54 | MODULE_PARM_DESC(secam, "force SECAM variant, either DK,L or Lc"); | |
55 | ||
1da177e4 LT |
56 | |
57 | #define dprintk(fmt, arg...) if (video_debug) \ | |
58 | printk(KERN_DEBUG "%s/video: " fmt, dev->name , ## arg) | |
59 | ||
2f8d4f51 RB |
60 | /* ------------------------------------------------------------------ */ |
61 | /* Defines for Video Output Port Register at address 0x191 */ | |
62 | ||
63 | /* Bit 0: VIP code T bit polarity */ | |
64 | ||
65 | #define VP_T_CODE_P_NON_INVERTED 0x00 | |
66 | #define VP_T_CODE_P_INVERTED 0x01 | |
67 | ||
68 | /* ------------------------------------------------------------------ */ | |
69 | /* Defines for Video Output Port Register at address 0x195 */ | |
70 | ||
71 | /* Bit 2: Video output clock delay control */ | |
72 | ||
73 | #define VP_CLK_CTRL2_NOT_DELAYED 0x00 | |
74 | #define VP_CLK_CTRL2_DELAYED 0x04 | |
75 | ||
76 | /* Bit 1: Video output clock invert control */ | |
77 | ||
78 | #define VP_CLK_CTRL1_NON_INVERTED 0x00 | |
79 | #define VP_CLK_CTRL1_INVERTED 0x02 | |
80 | ||
81 | /* ------------------------------------------------------------------ */ | |
82 | /* Defines for Video Output Port Register at address 0x196 */ | |
83 | ||
84 | /* Bits 2 to 0: VSYNC pin video vertical sync type */ | |
85 | ||
86 | #define VP_VS_TYPE_MASK 0x07 | |
87 | ||
88 | #define VP_VS_TYPE_OFF 0x00 | |
89 | #define VP_VS_TYPE_V123 0x01 | |
90 | #define VP_VS_TYPE_V_ITU 0x02 | |
91 | #define VP_VS_TYPE_VGATE_L 0x03 | |
92 | #define VP_VS_TYPE_RESERVED1 0x04 | |
93 | #define VP_VS_TYPE_RESERVED2 0x05 | |
94 | #define VP_VS_TYPE_F_ITU 0x06 | |
95 | #define VP_VS_TYPE_SC_FID 0x07 | |
96 | ||
1da177e4 LT |
97 | /* ------------------------------------------------------------------ */ |
98 | /* data structs for video */ | |
99 | ||
100 | static int video_out[][9] = { | |
101 | [CCIR656] = { 0x00, 0xb1, 0x00, 0xa1, 0x00, 0x04, 0x06, 0x00, 0x00 }, | |
102 | }; | |
103 | ||
104 | static struct saa7134_format formats[] = { | |
105 | { | |
106 | .name = "8 bpp gray", | |
107 | .fourcc = V4L2_PIX_FMT_GREY, | |
108 | .depth = 8, | |
109 | .pm = 0x06, | |
110 | },{ | |
111 | .name = "15 bpp RGB, le", | |
112 | .fourcc = V4L2_PIX_FMT_RGB555, | |
113 | .depth = 16, | |
114 | .pm = 0x13 | 0x80, | |
115 | },{ | |
116 | .name = "15 bpp RGB, be", | |
117 | .fourcc = V4L2_PIX_FMT_RGB555X, | |
118 | .depth = 16, | |
119 | .pm = 0x13 | 0x80, | |
120 | .bswap = 1, | |
121 | },{ | |
122 | .name = "16 bpp RGB, le", | |
123 | .fourcc = V4L2_PIX_FMT_RGB565, | |
124 | .depth = 16, | |
125 | .pm = 0x10 | 0x80, | |
126 | },{ | |
127 | .name = "16 bpp RGB, be", | |
128 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
129 | .depth = 16, | |
130 | .pm = 0x10 | 0x80, | |
131 | .bswap = 1, | |
132 | },{ | |
133 | .name = "24 bpp RGB, le", | |
134 | .fourcc = V4L2_PIX_FMT_BGR24, | |
135 | .depth = 24, | |
136 | .pm = 0x11, | |
137 | },{ | |
138 | .name = "24 bpp RGB, be", | |
139 | .fourcc = V4L2_PIX_FMT_RGB24, | |
140 | .depth = 24, | |
141 | .pm = 0x11, | |
142 | .bswap = 1, | |
143 | },{ | |
144 | .name = "32 bpp RGB, le", | |
145 | .fourcc = V4L2_PIX_FMT_BGR32, | |
146 | .depth = 32, | |
147 | .pm = 0x12, | |
148 | },{ | |
149 | .name = "32 bpp RGB, be", | |
150 | .fourcc = V4L2_PIX_FMT_RGB32, | |
151 | .depth = 32, | |
152 | .pm = 0x12, | |
153 | .bswap = 1, | |
154 | .wswap = 1, | |
155 | },{ | |
156 | .name = "4:2:2 packed, YUYV", | |
157 | .fourcc = V4L2_PIX_FMT_YUYV, | |
158 | .depth = 16, | |
159 | .pm = 0x00, | |
160 | .bswap = 1, | |
161 | .yuv = 1, | |
162 | },{ | |
163 | .name = "4:2:2 packed, UYVY", | |
164 | .fourcc = V4L2_PIX_FMT_UYVY, | |
165 | .depth = 16, | |
166 | .pm = 0x00, | |
167 | .yuv = 1, | |
168 | },{ | |
169 | .name = "4:2:2 planar, Y-Cb-Cr", | |
170 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
171 | .depth = 16, | |
172 | .pm = 0x09, | |
173 | .yuv = 1, | |
174 | .planar = 1, | |
175 | .hshift = 1, | |
176 | .vshift = 0, | |
177 | },{ | |
178 | .name = "4:2:0 planar, Y-Cb-Cr", | |
179 | .fourcc = V4L2_PIX_FMT_YUV420, | |
180 | .depth = 12, | |
181 | .pm = 0x0a, | |
182 | .yuv = 1, | |
183 | .planar = 1, | |
184 | .hshift = 1, | |
185 | .vshift = 1, | |
186 | },{ | |
187 | .name = "4:2:0 planar, Y-Cb-Cr", | |
188 | .fourcc = V4L2_PIX_FMT_YVU420, | |
189 | .depth = 12, | |
190 | .pm = 0x0a, | |
191 | .yuv = 1, | |
192 | .planar = 1, | |
193 | .uvswap = 1, | |
194 | .hshift = 1, | |
195 | .vshift = 1, | |
196 | } | |
197 | }; | |
198 | #define FORMATS ARRAY_SIZE(formats) | |
199 | ||
200 | #define NORM_625_50 \ | |
201 | .h_start = 0, \ | |
202 | .h_stop = 719, \ | |
203 | .video_v_start = 24, \ | |
204 | .video_v_stop = 311, \ | |
f246a817 MS |
205 | .vbi_v_start_0 = 7, \ |
206 | .vbi_v_stop_0 = 22, \ | |
207 | .vbi_v_start_1 = 319, \ | |
1da177e4 LT |
208 | .src_timing = 4 |
209 | ||
210 | #define NORM_525_60 \ | |
211 | .h_start = 0, \ | |
212 | .h_stop = 703, \ | |
f246a817 MS |
213 | .video_v_start = 23, \ |
214 | .video_v_stop = 262, \ | |
215 | .vbi_v_start_0 = 10, \ | |
216 | .vbi_v_stop_0 = 21, \ | |
217 | .vbi_v_start_1 = 273, \ | |
218 | .src_timing = 7 | |
1da177e4 LT |
219 | |
220 | static struct saa7134_tvnorm tvnorms[] = { | |
221 | { | |
222 | .name = "PAL", /* autodetect */ | |
223 | .id = V4L2_STD_PAL, | |
224 | NORM_625_50, | |
225 | ||
226 | .sync_control = 0x18, | |
227 | .luma_control = 0x40, | |
228 | .chroma_ctrl1 = 0x81, | |
229 | .chroma_gain = 0x2a, | |
230 | .chroma_ctrl2 = 0x06, | |
231 | .vgate_misc = 0x1c, | |
232 | ||
233 | },{ | |
234 | .name = "PAL-BG", | |
235 | .id = V4L2_STD_PAL_BG, | |
236 | NORM_625_50, | |
237 | ||
238 | .sync_control = 0x18, | |
239 | .luma_control = 0x40, | |
240 | .chroma_ctrl1 = 0x81, | |
241 | .chroma_gain = 0x2a, | |
242 | .chroma_ctrl2 = 0x06, | |
243 | .vgate_misc = 0x1c, | |
244 | ||
245 | },{ | |
246 | .name = "PAL-I", | |
247 | .id = V4L2_STD_PAL_I, | |
248 | NORM_625_50, | |
249 | ||
250 | .sync_control = 0x18, | |
251 | .luma_control = 0x40, | |
252 | .chroma_ctrl1 = 0x81, | |
253 | .chroma_gain = 0x2a, | |
254 | .chroma_ctrl2 = 0x06, | |
255 | .vgate_misc = 0x1c, | |
256 | ||
257 | },{ | |
258 | .name = "PAL-DK", | |
259 | .id = V4L2_STD_PAL_DK, | |
260 | NORM_625_50, | |
261 | ||
262 | .sync_control = 0x18, | |
263 | .luma_control = 0x40, | |
264 | .chroma_ctrl1 = 0x81, | |
265 | .chroma_gain = 0x2a, | |
266 | .chroma_ctrl2 = 0x06, | |
267 | .vgate_misc = 0x1c, | |
268 | ||
269 | },{ | |
270 | .name = "NTSC", | |
271 | .id = V4L2_STD_NTSC, | |
272 | NORM_525_60, | |
273 | ||
274 | .sync_control = 0x59, | |
275 | .luma_control = 0x40, | |
276 | .chroma_ctrl1 = 0x89, | |
277 | .chroma_gain = 0x2a, | |
278 | .chroma_ctrl2 = 0x0e, | |
279 | .vgate_misc = 0x18, | |
280 | ||
281 | },{ | |
282 | .name = "SECAM", | |
283 | .id = V4L2_STD_SECAM, | |
284 | NORM_625_50, | |
285 | ||
17b10a73 HH |
286 | .sync_control = 0x18, |
287 | .luma_control = 0x1b, | |
288 | .chroma_ctrl1 = 0xd1, | |
289 | .chroma_gain = 0x80, | |
290 | .chroma_ctrl2 = 0x00, | |
291 | .vgate_misc = 0x1c, | |
292 | ||
293 | },{ | |
294 | .name = "SECAM-DK", | |
295 | .id = V4L2_STD_SECAM_DK, | |
296 | NORM_625_50, | |
297 | ||
298 | .sync_control = 0x18, | |
299 | .luma_control = 0x1b, | |
300 | .chroma_ctrl1 = 0xd1, | |
301 | .chroma_gain = 0x80, | |
302 | .chroma_ctrl2 = 0x00, | |
303 | .vgate_misc = 0x1c, | |
304 | ||
305 | },{ | |
306 | .name = "SECAM-L", | |
307 | .id = V4L2_STD_SECAM_L, | |
308 | NORM_625_50, | |
309 | ||
310 | .sync_control = 0x18, | |
311 | .luma_control = 0x1b, | |
312 | .chroma_ctrl1 = 0xd1, | |
313 | .chroma_gain = 0x80, | |
314 | .chroma_ctrl2 = 0x00, | |
315 | .vgate_misc = 0x1c, | |
316 | ||
317 | },{ | |
318 | .name = "SECAM-Lc", | |
319 | .id = V4L2_STD_SECAM_LC, | |
320 | NORM_625_50, | |
321 | ||
322 | .sync_control = 0x18, | |
1da177e4 LT |
323 | .luma_control = 0x1b, |
324 | .chroma_ctrl1 = 0xd1, | |
325 | .chroma_gain = 0x80, | |
326 | .chroma_ctrl2 = 0x00, | |
327 | .vgate_misc = 0x1c, | |
328 | ||
329 | },{ | |
330 | .name = "PAL-M", | |
331 | .id = V4L2_STD_PAL_M, | |
332 | NORM_525_60, | |
333 | ||
334 | .sync_control = 0x59, | |
335 | .luma_control = 0x40, | |
336 | .chroma_ctrl1 = 0xb9, | |
337 | .chroma_gain = 0x2a, | |
338 | .chroma_ctrl2 = 0x0e, | |
339 | .vgate_misc = 0x18, | |
340 | ||
341 | },{ | |
342 | .name = "PAL-Nc", | |
343 | .id = V4L2_STD_PAL_Nc, | |
344 | NORM_625_50, | |
345 | ||
346 | .sync_control = 0x18, | |
347 | .luma_control = 0x40, | |
348 | .chroma_ctrl1 = 0xa1, | |
349 | .chroma_gain = 0x2a, | |
350 | .chroma_ctrl2 = 0x06, | |
351 | .vgate_misc = 0x1c, | |
352 | ||
353 | },{ | |
354 | .name = "PAL-60", | |
355 | .id = V4L2_STD_PAL_60, | |
356 | ||
357 | .h_start = 0, | |
358 | .h_stop = 719, | |
4ac97914 MCC |
359 | .video_v_start = 23, |
360 | .video_v_stop = 262, | |
361 | .vbi_v_start_0 = 10, | |
362 | .vbi_v_stop_0 = 21, | |
363 | .vbi_v_start_1 = 273, | |
364 | .src_timing = 7, | |
1da177e4 LT |
365 | |
366 | .sync_control = 0x18, | |
367 | .luma_control = 0x40, | |
368 | .chroma_ctrl1 = 0x81, | |
369 | .chroma_gain = 0x2a, | |
370 | .chroma_ctrl2 = 0x06, | |
371 | .vgate_misc = 0x1c, | |
372 | } | |
373 | }; | |
374 | #define TVNORMS ARRAY_SIZE(tvnorms) | |
375 | ||
376 | #define V4L2_CID_PRIVATE_INVERT (V4L2_CID_PRIVATE_BASE + 0) | |
377 | #define V4L2_CID_PRIVATE_Y_ODD (V4L2_CID_PRIVATE_BASE + 1) | |
378 | #define V4L2_CID_PRIVATE_Y_EVEN (V4L2_CID_PRIVATE_BASE + 2) | |
379 | #define V4L2_CID_PRIVATE_AUTOMUTE (V4L2_CID_PRIVATE_BASE + 3) | |
380 | #define V4L2_CID_PRIVATE_LASTP1 (V4L2_CID_PRIVATE_BASE + 4) | |
381 | ||
382 | static const struct v4l2_queryctrl no_ctrl = { | |
383 | .name = "42", | |
384 | .flags = V4L2_CTRL_FLAG_DISABLED, | |
385 | }; | |
386 | static const struct v4l2_queryctrl video_ctrls[] = { | |
387 | /* --- video --- */ | |
388 | { | |
389 | .id = V4L2_CID_BRIGHTNESS, | |
390 | .name = "Brightness", | |
391 | .minimum = 0, | |
392 | .maximum = 255, | |
393 | .step = 1, | |
394 | .default_value = 128, | |
395 | .type = V4L2_CTRL_TYPE_INTEGER, | |
396 | },{ | |
397 | .id = V4L2_CID_CONTRAST, | |
398 | .name = "Contrast", | |
399 | .minimum = 0, | |
400 | .maximum = 127, | |
401 | .step = 1, | |
402 | .default_value = 68, | |
403 | .type = V4L2_CTRL_TYPE_INTEGER, | |
404 | },{ | |
405 | .id = V4L2_CID_SATURATION, | |
406 | .name = "Saturation", | |
407 | .minimum = 0, | |
408 | .maximum = 127, | |
409 | .step = 1, | |
410 | .default_value = 64, | |
411 | .type = V4L2_CTRL_TYPE_INTEGER, | |
412 | },{ | |
413 | .id = V4L2_CID_HUE, | |
414 | .name = "Hue", | |
415 | .minimum = -128, | |
416 | .maximum = 127, | |
417 | .step = 1, | |
418 | .default_value = 0, | |
419 | .type = V4L2_CTRL_TYPE_INTEGER, | |
420 | },{ | |
f246a817 MS |
421 | .id = V4L2_CID_HFLIP, |
422 | .name = "Mirror", | |
1da177e4 LT |
423 | .minimum = 0, |
424 | .maximum = 1, | |
425 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
426 | }, | |
427 | /* --- audio --- */ | |
428 | { | |
429 | .id = V4L2_CID_AUDIO_MUTE, | |
430 | .name = "Mute", | |
431 | .minimum = 0, | |
432 | .maximum = 1, | |
433 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
434 | },{ | |
435 | .id = V4L2_CID_AUDIO_VOLUME, | |
436 | .name = "Volume", | |
437 | .minimum = -15, | |
438 | .maximum = 15, | |
439 | .step = 1, | |
440 | .default_value = 0, | |
441 | .type = V4L2_CTRL_TYPE_INTEGER, | |
442 | }, | |
443 | /* --- private --- */ | |
444 | { | |
445 | .id = V4L2_CID_PRIVATE_INVERT, | |
446 | .name = "Invert", | |
447 | .minimum = 0, | |
448 | .maximum = 1, | |
449 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
450 | },{ | |
451 | .id = V4L2_CID_PRIVATE_Y_ODD, | |
452 | .name = "y offset odd field", | |
453 | .minimum = 0, | |
454 | .maximum = 128, | |
455 | .default_value = 0, | |
456 | .type = V4L2_CTRL_TYPE_INTEGER, | |
457 | },{ | |
458 | .id = V4L2_CID_PRIVATE_Y_EVEN, | |
459 | .name = "y offset even field", | |
460 | .minimum = 0, | |
461 | .maximum = 128, | |
462 | .default_value = 0, | |
463 | .type = V4L2_CTRL_TYPE_INTEGER, | |
464 | },{ | |
465 | .id = V4L2_CID_PRIVATE_AUTOMUTE, | |
466 | .name = "automute", | |
467 | .minimum = 0, | |
468 | .maximum = 1, | |
469 | .default_value = 1, | |
470 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
471 | } | |
472 | }; | |
473 | static const unsigned int CTRLS = ARRAY_SIZE(video_ctrls); | |
474 | ||
475 | static const struct v4l2_queryctrl* ctrl_by_id(unsigned int id) | |
476 | { | |
477 | unsigned int i; | |
478 | ||
479 | for (i = 0; i < CTRLS; i++) | |
480 | if (video_ctrls[i].id == id) | |
481 | return video_ctrls+i; | |
482 | return NULL; | |
483 | } | |
484 | ||
485 | static struct saa7134_format* format_by_fourcc(unsigned int fourcc) | |
486 | { | |
487 | unsigned int i; | |
488 | ||
489 | for (i = 0; i < FORMATS; i++) | |
490 | if (formats[i].fourcc == fourcc) | |
491 | return formats+i; | |
492 | return NULL; | |
493 | } | |
494 | ||
495 | /* ----------------------------------------------------------------------- */ | |
496 | /* resource management */ | |
497 | ||
498 | static int res_get(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bit) | |
499 | { | |
500 | if (fh->resources & bit) | |
501 | /* have it already allocated */ | |
502 | return 1; | |
503 | ||
504 | /* is it free? */ | |
3593cab5 | 505 | mutex_lock(&dev->lock); |
1da177e4 LT |
506 | if (dev->resources & bit) { |
507 | /* no, someone else uses it */ | |
3593cab5 | 508 | mutex_unlock(&dev->lock); |
1da177e4 LT |
509 | return 0; |
510 | } | |
511 | /* it's free, grab it */ | |
512 | fh->resources |= bit; | |
513 | dev->resources |= bit; | |
514 | dprintk("res: get %d\n",bit); | |
3593cab5 | 515 | mutex_unlock(&dev->lock); |
1da177e4 LT |
516 | return 1; |
517 | } | |
518 | ||
9040b32e | 519 | static int res_check(struct saa7134_fh *fh, unsigned int bit) |
1da177e4 LT |
520 | { |
521 | return (fh->resources & bit); | |
522 | } | |
523 | ||
9040b32e | 524 | static int res_locked(struct saa7134_dev *dev, unsigned int bit) |
1da177e4 LT |
525 | { |
526 | return (dev->resources & bit); | |
527 | } | |
528 | ||
529 | static | |
530 | void res_free(struct saa7134_dev *dev, struct saa7134_fh *fh, unsigned int bits) | |
531 | { | |
ae24601b | 532 | BUG_ON((fh->resources & bits) != bits); |
1da177e4 | 533 | |
3593cab5 | 534 | mutex_lock(&dev->lock); |
1da177e4 LT |
535 | fh->resources &= ~bits; |
536 | dev->resources &= ~bits; | |
537 | dprintk("res: put %d\n",bits); | |
3593cab5 | 538 | mutex_unlock(&dev->lock); |
1da177e4 LT |
539 | } |
540 | ||
541 | /* ------------------------------------------------------------------ */ | |
542 | ||
cb71201f | 543 | void set_tvnorm(struct saa7134_dev *dev, struct saa7134_tvnorm *norm) |
1da177e4 | 544 | { |
1da177e4 LT |
545 | |
546 | dprintk("set tv norm = %s\n",norm->name); | |
547 | dev->tvnorm = norm; | |
548 | ||
1da177e4 LT |
549 | /* setup cropping */ |
550 | dev->crop_bounds.left = norm->h_start; | |
551 | dev->crop_defrect.left = norm->h_start; | |
552 | dev->crop_bounds.width = norm->h_stop - norm->h_start +1; | |
553 | dev->crop_defrect.width = norm->h_stop - norm->h_start +1; | |
554 | ||
f246a817 | 555 | dev->crop_bounds.top = (norm->vbi_v_stop_0+1)*2; |
1da177e4 LT |
556 | dev->crop_defrect.top = norm->video_v_start*2; |
557 | dev->crop_bounds.height = ((norm->id & V4L2_STD_525_60) ? 524 : 624) | |
558 | - dev->crop_bounds.top; | |
559 | dev->crop_defrect.height = (norm->video_v_stop - norm->video_v_start +1)*2; | |
560 | ||
561 | dev->crop_current = dev->crop_defrect; | |
562 | ||
c458473e | 563 | saa7134_set_tvnorm_hw(dev); |
cb71201f | 564 | |
cb71201f ML |
565 | } |
566 | ||
567 | static void video_mux(struct saa7134_dev *dev, int input) | |
568 | { | |
569 | dprintk("video input = %d [%s]\n", input, card_in(dev, input).name); | |
570 | dev->ctl_input = input; | |
571 | set_tvnorm(dev, dev->tvnorm); | |
572 | saa7134_tvaudio_setinput(dev, &card_in(dev, input)); | |
573 | } | |
574 | ||
c458473e ML |
575 | |
576 | static void saa7134_set_decoder(struct saa7134_dev *dev) | |
cb71201f ML |
577 | { |
578 | int luma_control, sync_control, mux; | |
579 | ||
580 | struct saa7134_tvnorm *norm = dev->tvnorm; | |
581 | mux = card_in(dev, dev->ctl_input).vmux; | |
582 | ||
583 | luma_control = norm->luma_control; | |
584 | sync_control = norm->sync_control; | |
585 | ||
586 | if (mux > 5) | |
587 | luma_control |= 0x80; /* svideo */ | |
588 | if (noninterlaced || dev->nosignal) | |
589 | sync_control |= 0x20; | |
590 | ||
1da177e4 LT |
591 | /* setup video decoder */ |
592 | saa_writeb(SAA7134_INCR_DELAY, 0x08); | |
593 | saa_writeb(SAA7134_ANALOG_IN_CTRL1, 0xc0 | mux); | |
594 | saa_writeb(SAA7134_ANALOG_IN_CTRL2, 0x00); | |
595 | ||
596 | saa_writeb(SAA7134_ANALOG_IN_CTRL3, 0x90); | |
597 | saa_writeb(SAA7134_ANALOG_IN_CTRL4, 0x90); | |
598 | saa_writeb(SAA7134_HSYNC_START, 0xeb); | |
599 | saa_writeb(SAA7134_HSYNC_STOP, 0xe0); | |
600 | saa_writeb(SAA7134_SOURCE_TIMING1, norm->src_timing); | |
601 | ||
602 | saa_writeb(SAA7134_SYNC_CTRL, sync_control); | |
603 | saa_writeb(SAA7134_LUMA_CTRL, luma_control); | |
604 | saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); | |
1da177e4 | 605 | |
f5a1ac64 ML |
606 | saa_writeb(SAA7134_DEC_LUMA_CONTRAST, |
607 | dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); | |
608 | ||
609 | saa_writeb(SAA7134_DEC_CHROMA_SATURATION, | |
610 | dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); | |
611 | ||
1da177e4 LT |
612 | saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); |
613 | saa_writeb(SAA7134_CHROMA_CTRL1, norm->chroma_ctrl1); | |
614 | saa_writeb(SAA7134_CHROMA_GAIN, norm->chroma_gain); | |
615 | ||
616 | saa_writeb(SAA7134_CHROMA_CTRL2, norm->chroma_ctrl2); | |
617 | saa_writeb(SAA7134_MODE_DELAY_CTRL, 0x00); | |
618 | ||
619 | saa_writeb(SAA7134_ANALOG_ADC, 0x01); | |
620 | saa_writeb(SAA7134_VGATE_START, 0x11); | |
621 | saa_writeb(SAA7134_VGATE_STOP, 0xfe); | |
622 | saa_writeb(SAA7134_MISC_VGATE_MSB, norm->vgate_misc); | |
623 | saa_writeb(SAA7134_RAW_DATA_GAIN, 0x40); | |
624 | saa_writeb(SAA7134_RAW_DATA_OFFSET, 0x80); | |
1da177e4 LT |
625 | } |
626 | ||
c458473e ML |
627 | void saa7134_set_tvnorm_hw(struct saa7134_dev *dev) |
628 | { | |
629 | saa7134_set_decoder(dev); | |
630 | ||
631 | if (card_in(dev, dev->ctl_input).tv) { | |
632 | if ((card(dev).tuner_type == TUNER_PHILIPS_TDA8290) | |
633 | && ((card(dev).tuner_config == 1) | |
634 | || (card(dev).tuner_config == 2))) | |
635 | saa7134_set_gpio(dev, 22, 5); | |
636 | saa7134_i2c_call_clients(dev, VIDIOC_S_STD, &dev->tvnorm->id); | |
637 | } | |
638 | } | |
639 | ||
1da177e4 LT |
640 | static void set_h_prescale(struct saa7134_dev *dev, int task, int prescale) |
641 | { | |
642 | static const struct { | |
643 | int xpsc; | |
644 | int xacl; | |
645 | int xc2_1; | |
646 | int xdcg; | |
647 | int vpfy; | |
648 | } vals[] = { | |
649 | /* XPSC XACL XC2_1 XDCG VPFY */ | |
650 | { 1, 0, 0, 0, 0 }, | |
651 | { 2, 2, 1, 2, 2 }, | |
652 | { 3, 4, 1, 3, 2 }, | |
653 | { 4, 8, 1, 4, 2 }, | |
654 | { 5, 8, 1, 4, 2 }, | |
655 | { 6, 8, 1, 4, 3 }, | |
656 | { 7, 8, 1, 4, 3 }, | |
657 | { 8, 15, 0, 4, 3 }, | |
658 | { 9, 15, 0, 4, 3 }, | |
659 | { 10, 16, 1, 5, 3 }, | |
660 | }; | |
661 | static const int count = ARRAY_SIZE(vals); | |
662 | int i; | |
663 | ||
664 | for (i = 0; i < count; i++) | |
665 | if (vals[i].xpsc == prescale) | |
666 | break; | |
667 | if (i == count) | |
668 | return; | |
669 | ||
670 | saa_writeb(SAA7134_H_PRESCALE(task), vals[i].xpsc); | |
671 | saa_writeb(SAA7134_ACC_LENGTH(task), vals[i].xacl); | |
672 | saa_writeb(SAA7134_LEVEL_CTRL(task), | |
673 | (vals[i].xc2_1 << 3) | (vals[i].xdcg)); | |
674 | saa_andorb(SAA7134_FIR_PREFILTER_CTRL(task), 0x0f, | |
675 | (vals[i].vpfy << 2) | vals[i].vpfy); | |
676 | } | |
677 | ||
678 | static void set_v_scale(struct saa7134_dev *dev, int task, int yscale) | |
679 | { | |
680 | int val,mirror; | |
681 | ||
682 | saa_writeb(SAA7134_V_SCALE_RATIO1(task), yscale & 0xff); | |
683 | saa_writeb(SAA7134_V_SCALE_RATIO2(task), yscale >> 8); | |
684 | ||
685 | mirror = (dev->ctl_mirror) ? 0x02 : 0x00; | |
686 | if (yscale < 2048) { | |
687 | /* LPI */ | |
688 | dprintk("yscale LPI yscale=%d\n",yscale); | |
689 | saa_writeb(SAA7134_V_FILTER(task), 0x00 | mirror); | |
690 | saa_writeb(SAA7134_LUMA_CONTRAST(task), 0x40); | |
691 | saa_writeb(SAA7134_CHROMA_SATURATION(task), 0x40); | |
692 | } else { | |
693 | /* ACM */ | |
694 | val = 0x40 * 1024 / yscale; | |
695 | dprintk("yscale ACM yscale=%d val=0x%x\n",yscale,val); | |
696 | saa_writeb(SAA7134_V_FILTER(task), 0x01 | mirror); | |
697 | saa_writeb(SAA7134_LUMA_CONTRAST(task), val); | |
698 | saa_writeb(SAA7134_CHROMA_SATURATION(task), val); | |
699 | } | |
700 | saa_writeb(SAA7134_LUMA_BRIGHT(task), 0x80); | |
701 | } | |
702 | ||
703 | static void set_size(struct saa7134_dev *dev, int task, | |
704 | int width, int height, int interlace) | |
705 | { | |
706 | int prescale,xscale,yscale,y_even,y_odd; | |
707 | int h_start, h_stop, v_start, v_stop; | |
708 | int div = interlace ? 2 : 1; | |
709 | ||
710 | /* setup video scaler */ | |
711 | h_start = dev->crop_current.left; | |
712 | v_start = dev->crop_current.top/2; | |
713 | h_stop = (dev->crop_current.left + dev->crop_current.width -1); | |
714 | v_stop = (dev->crop_current.top + dev->crop_current.height -1)/2; | |
715 | ||
716 | saa_writeb(SAA7134_VIDEO_H_START1(task), h_start & 0xff); | |
717 | saa_writeb(SAA7134_VIDEO_H_START2(task), h_start >> 8); | |
718 | saa_writeb(SAA7134_VIDEO_H_STOP1(task), h_stop & 0xff); | |
719 | saa_writeb(SAA7134_VIDEO_H_STOP2(task), h_stop >> 8); | |
720 | saa_writeb(SAA7134_VIDEO_V_START1(task), v_start & 0xff); | |
721 | saa_writeb(SAA7134_VIDEO_V_START2(task), v_start >> 8); | |
722 | saa_writeb(SAA7134_VIDEO_V_STOP1(task), v_stop & 0xff); | |
723 | saa_writeb(SAA7134_VIDEO_V_STOP2(task), v_stop >> 8); | |
724 | ||
725 | prescale = dev->crop_current.width / width; | |
726 | if (0 == prescale) | |
727 | prescale = 1; | |
728 | xscale = 1024 * dev->crop_current.width / prescale / width; | |
729 | yscale = 512 * div * dev->crop_current.height / height; | |
4ac97914 | 730 | dprintk("prescale=%d xscale=%d yscale=%d\n",prescale,xscale,yscale); |
1da177e4 LT |
731 | set_h_prescale(dev,task,prescale); |
732 | saa_writeb(SAA7134_H_SCALE_INC1(task), xscale & 0xff); | |
733 | saa_writeb(SAA7134_H_SCALE_INC2(task), xscale >> 8); | |
734 | set_v_scale(dev,task,yscale); | |
735 | ||
736 | saa_writeb(SAA7134_VIDEO_PIXELS1(task), width & 0xff); | |
737 | saa_writeb(SAA7134_VIDEO_PIXELS2(task), width >> 8); | |
738 | saa_writeb(SAA7134_VIDEO_LINES1(task), height/div & 0xff); | |
739 | saa_writeb(SAA7134_VIDEO_LINES2(task), height/div >> 8); | |
740 | ||
741 | /* deinterlace y offsets */ | |
742 | y_odd = dev->ctl_y_odd; | |
743 | y_even = dev->ctl_y_even; | |
744 | saa_writeb(SAA7134_V_PHASE_OFFSET0(task), y_odd); | |
745 | saa_writeb(SAA7134_V_PHASE_OFFSET1(task), y_even); | |
746 | saa_writeb(SAA7134_V_PHASE_OFFSET2(task), y_odd); | |
747 | saa_writeb(SAA7134_V_PHASE_OFFSET3(task), y_even); | |
748 | } | |
749 | ||
750 | /* ------------------------------------------------------------------ */ | |
751 | ||
752 | struct cliplist { | |
753 | __u16 position; | |
754 | __u8 enable; | |
755 | __u8 disable; | |
756 | }; | |
757 | ||
1da177e4 LT |
758 | static void set_cliplist(struct saa7134_dev *dev, int reg, |
759 | struct cliplist *cl, int entries, char *name) | |
760 | { | |
761 | __u8 winbits = 0; | |
762 | int i; | |
763 | ||
764 | for (i = 0; i < entries; i++) { | |
765 | winbits |= cl[i].enable; | |
766 | winbits &= ~cl[i].disable; | |
767 | if (i < 15 && cl[i].position == cl[i+1].position) | |
768 | continue; | |
769 | saa_writeb(reg + 0, winbits); | |
770 | saa_writeb(reg + 2, cl[i].position & 0xff); | |
771 | saa_writeb(reg + 3, cl[i].position >> 8); | |
772 | dprintk("clip: %s winbits=%02x pos=%d\n", | |
773 | name,winbits,cl[i].position); | |
774 | reg += 8; | |
775 | } | |
776 | for (; reg < 0x400; reg += 8) { | |
777 | saa_writeb(reg+ 0, 0); | |
778 | saa_writeb(reg + 1, 0); | |
779 | saa_writeb(reg + 2, 0); | |
780 | saa_writeb(reg + 3, 0); | |
781 | } | |
782 | } | |
783 | ||
784 | static int clip_range(int val) | |
785 | { | |
786 | if (val < 0) | |
787 | val = 0; | |
788 | return val; | |
789 | } | |
790 | ||
9040b32e HO |
791 | /* Sort into smallest position first order */ |
792 | static int cliplist_cmp(const void *a, const void *b) | |
793 | { | |
794 | const struct cliplist *cla = a; | |
795 | const struct cliplist *clb = b; | |
796 | if (cla->position < clb->position) | |
797 | return -1; | |
798 | if (cla->position > clb->position) | |
799 | return 1; | |
800 | return 0; | |
801 | } | |
802 | ||
1da177e4 LT |
803 | static int setup_clipping(struct saa7134_dev *dev, struct v4l2_clip *clips, |
804 | int nclips, int interlace) | |
805 | { | |
806 | struct cliplist col[16], row[16]; | |
9040b32e | 807 | int cols = 0, rows = 0, i; |
1da177e4 LT |
808 | int div = interlace ? 2 : 1; |
809 | ||
9040b32e HO |
810 | memset(col, 0, sizeof(col)); |
811 | memset(row, 0, sizeof(row)); | |
1da177e4 LT |
812 | for (i = 0; i < nclips && i < 8; i++) { |
813 | col[cols].position = clip_range(clips[i].c.left); | |
814 | col[cols].enable = (1 << i); | |
815 | cols++; | |
816 | col[cols].position = clip_range(clips[i].c.left+clips[i].c.width); | |
817 | col[cols].disable = (1 << i); | |
818 | cols++; | |
819 | row[rows].position = clip_range(clips[i].c.top / div); | |
820 | row[rows].enable = (1 << i); | |
821 | rows++; | |
822 | row[rows].position = clip_range((clips[i].c.top + clips[i].c.height) | |
823 | / div); | |
824 | row[rows].disable = (1 << i); | |
825 | rows++; | |
826 | } | |
9040b32e HO |
827 | sort(col, cols, sizeof col[0], cliplist_cmp, NULL); |
828 | sort(row, rows, sizeof row[0], cliplist_cmp, NULL); | |
1da177e4 LT |
829 | set_cliplist(dev,0x380,col,cols,"cols"); |
830 | set_cliplist(dev,0x384,row,rows,"rows"); | |
831 | return 0; | |
832 | } | |
833 | ||
834 | static int verify_preview(struct saa7134_dev *dev, struct v4l2_window *win) | |
835 | { | |
836 | enum v4l2_field field; | |
837 | int maxw, maxh; | |
838 | ||
839 | if (NULL == dev->ovbuf.base) | |
840 | return -EINVAL; | |
841 | if (NULL == dev->ovfmt) | |
842 | return -EINVAL; | |
843 | if (win->w.width < 48 || win->w.height < 32) | |
844 | return -EINVAL; | |
845 | if (win->clipcount > 2048) | |
846 | return -EINVAL; | |
847 | ||
848 | field = win->field; | |
849 | maxw = dev->crop_current.width; | |
850 | maxh = dev->crop_current.height; | |
851 | ||
852 | if (V4L2_FIELD_ANY == field) { | |
4ac97914 MCC |
853 | field = (win->w.height > maxh/2) |
854 | ? V4L2_FIELD_INTERLACED | |
855 | : V4L2_FIELD_TOP; | |
856 | } | |
857 | switch (field) { | |
858 | case V4L2_FIELD_TOP: | |
859 | case V4L2_FIELD_BOTTOM: | |
860 | maxh = maxh / 2; | |
861 | break; | |
862 | case V4L2_FIELD_INTERLACED: | |
863 | break; | |
864 | default: | |
865 | return -EINVAL; | |
866 | } | |
1da177e4 LT |
867 | |
868 | win->field = field; | |
869 | if (win->w.width > maxw) | |
870 | win->w.width = maxw; | |
871 | if (win->w.height > maxh) | |
872 | win->w.height = maxh; | |
873 | return 0; | |
874 | } | |
875 | ||
876 | static int start_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) | |
877 | { | |
878 | unsigned long base,control,bpl; | |
879 | int err; | |
880 | ||
881 | err = verify_preview(dev,&fh->win); | |
882 | if (0 != err) | |
883 | return err; | |
884 | ||
885 | dev->ovfield = fh->win.field; | |
886 | dprintk("start_preview %dx%d+%d+%d %s field=%s\n", | |
887 | fh->win.w.width,fh->win.w.height, | |
888 | fh->win.w.left,fh->win.w.top, | |
889 | dev->ovfmt->name,v4l2_field_names[dev->ovfield]); | |
890 | ||
891 | /* setup window + clipping */ | |
892 | set_size(dev,TASK_B,fh->win.w.width,fh->win.w.height, | |
893 | V4L2_FIELD_HAS_BOTH(dev->ovfield)); | |
894 | setup_clipping(dev,fh->clips,fh->nclips, | |
895 | V4L2_FIELD_HAS_BOTH(dev->ovfield)); | |
896 | if (dev->ovfmt->yuv) | |
897 | saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x03); | |
898 | else | |
899 | saa_andorb(SAA7134_DATA_PATH(TASK_B), 0x3f, 0x01); | |
900 | saa_writeb(SAA7134_OFMT_VIDEO_B, dev->ovfmt->pm | 0x20); | |
901 | ||
902 | /* dma: setup channel 1 (= Video Task B) */ | |
903 | base = (unsigned long)dev->ovbuf.base; | |
904 | base += dev->ovbuf.fmt.bytesperline * fh->win.w.top; | |
905 | base += dev->ovfmt->depth/8 * fh->win.w.left; | |
906 | bpl = dev->ovbuf.fmt.bytesperline; | |
907 | control = SAA7134_RS_CONTROL_BURST_16; | |
908 | if (dev->ovfmt->bswap) | |
909 | control |= SAA7134_RS_CONTROL_BSWAP; | |
910 | if (dev->ovfmt->wswap) | |
911 | control |= SAA7134_RS_CONTROL_WSWAP; | |
912 | if (V4L2_FIELD_HAS_BOTH(dev->ovfield)) { | |
913 | saa_writel(SAA7134_RS_BA1(1),base); | |
914 | saa_writel(SAA7134_RS_BA2(1),base+bpl); | |
915 | saa_writel(SAA7134_RS_PITCH(1),bpl*2); | |
916 | saa_writel(SAA7134_RS_CONTROL(1),control); | |
917 | } else { | |
918 | saa_writel(SAA7134_RS_BA1(1),base); | |
919 | saa_writel(SAA7134_RS_BA2(1),base); | |
920 | saa_writel(SAA7134_RS_PITCH(1),bpl); | |
921 | saa_writel(SAA7134_RS_CONTROL(1),control); | |
922 | } | |
923 | ||
924 | /* start dma */ | |
925 | dev->ovenable = 1; | |
926 | saa7134_set_dmabits(dev); | |
927 | ||
928 | return 0; | |
929 | } | |
930 | ||
931 | static int stop_preview(struct saa7134_dev *dev, struct saa7134_fh *fh) | |
932 | { | |
933 | dev->ovenable = 0; | |
934 | saa7134_set_dmabits(dev); | |
935 | return 0; | |
936 | } | |
937 | ||
938 | /* ------------------------------------------------------------------ */ | |
939 | ||
940 | static int buffer_activate(struct saa7134_dev *dev, | |
941 | struct saa7134_buf *buf, | |
942 | struct saa7134_buf *next) | |
943 | { | |
944 | unsigned long base,control,bpl; | |
945 | unsigned long bpl_uv,lines_uv,base2,base3,tmp; /* planar */ | |
946 | ||
947 | dprintk("buffer_activate buf=%p\n",buf); | |
948 | buf->vb.state = STATE_ACTIVE; | |
949 | buf->top_seen = 0; | |
950 | ||
951 | set_size(dev,TASK_A,buf->vb.width,buf->vb.height, | |
952 | V4L2_FIELD_HAS_BOTH(buf->vb.field)); | |
953 | if (buf->fmt->yuv) | |
954 | saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x03); | |
955 | else | |
956 | saa_andorb(SAA7134_DATA_PATH(TASK_A), 0x3f, 0x01); | |
957 | saa_writeb(SAA7134_OFMT_VIDEO_A, buf->fmt->pm); | |
958 | ||
959 | /* DMA: setup channel 0 (= Video Task A0) */ | |
960 | base = saa7134_buffer_base(buf); | |
961 | if (buf->fmt->planar) | |
962 | bpl = buf->vb.width; | |
963 | else | |
964 | bpl = (buf->vb.width * buf->fmt->depth) / 8; | |
965 | control = SAA7134_RS_CONTROL_BURST_16 | | |
966 | SAA7134_RS_CONTROL_ME | | |
967 | (buf->pt->dma >> 12); | |
968 | if (buf->fmt->bswap) | |
969 | control |= SAA7134_RS_CONTROL_BSWAP; | |
970 | if (buf->fmt->wswap) | |
971 | control |= SAA7134_RS_CONTROL_WSWAP; | |
972 | if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { | |
973 | /* interlaced */ | |
974 | saa_writel(SAA7134_RS_BA1(0),base); | |
975 | saa_writel(SAA7134_RS_BA2(0),base+bpl); | |
976 | saa_writel(SAA7134_RS_PITCH(0),bpl*2); | |
977 | } else { | |
978 | /* non-interlaced */ | |
979 | saa_writel(SAA7134_RS_BA1(0),base); | |
980 | saa_writel(SAA7134_RS_BA2(0),base); | |
981 | saa_writel(SAA7134_RS_PITCH(0),bpl); | |
982 | } | |
983 | saa_writel(SAA7134_RS_CONTROL(0),control); | |
984 | ||
985 | if (buf->fmt->planar) { | |
986 | /* DMA: setup channel 4+5 (= planar task A) */ | |
987 | bpl_uv = bpl >> buf->fmt->hshift; | |
988 | lines_uv = buf->vb.height >> buf->fmt->vshift; | |
989 | base2 = base + bpl * buf->vb.height; | |
990 | base3 = base2 + bpl_uv * lines_uv; | |
991 | if (buf->fmt->uvswap) | |
992 | tmp = base2, base2 = base3, base3 = tmp; | |
993 | dprintk("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", | |
994 | bpl_uv,lines_uv,base2,base3); | |
995 | if (V4L2_FIELD_HAS_BOTH(buf->vb.field)) { | |
996 | /* interlaced */ | |
997 | saa_writel(SAA7134_RS_BA1(4),base2); | |
998 | saa_writel(SAA7134_RS_BA2(4),base2+bpl_uv); | |
999 | saa_writel(SAA7134_RS_PITCH(4),bpl_uv*2); | |
1000 | saa_writel(SAA7134_RS_BA1(5),base3); | |
1001 | saa_writel(SAA7134_RS_BA2(5),base3+bpl_uv); | |
1002 | saa_writel(SAA7134_RS_PITCH(5),bpl_uv*2); | |
1003 | } else { | |
1004 | /* non-interlaced */ | |
1005 | saa_writel(SAA7134_RS_BA1(4),base2); | |
1006 | saa_writel(SAA7134_RS_BA2(4),base2); | |
1007 | saa_writel(SAA7134_RS_PITCH(4),bpl_uv); | |
1008 | saa_writel(SAA7134_RS_BA1(5),base3); | |
1009 | saa_writel(SAA7134_RS_BA2(5),base3); | |
1010 | saa_writel(SAA7134_RS_PITCH(5),bpl_uv); | |
1011 | } | |
1012 | saa_writel(SAA7134_RS_CONTROL(4),control); | |
1013 | saa_writel(SAA7134_RS_CONTROL(5),control); | |
1014 | } | |
1015 | ||
1016 | /* start DMA */ | |
1017 | saa7134_set_dmabits(dev); | |
1018 | mod_timer(&dev->video_q.timeout, jiffies+BUFFER_TIMEOUT); | |
1019 | return 0; | |
1020 | } | |
1021 | ||
1022 | static int buffer_prepare(struct videobuf_queue *q, | |
1023 | struct videobuf_buffer *vb, | |
1024 | enum v4l2_field field) | |
1025 | { | |
1026 | struct saa7134_fh *fh = q->priv_data; | |
1027 | struct saa7134_dev *dev = fh->dev; | |
1028 | struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); | |
1029 | unsigned int size; | |
1030 | int err; | |
1031 | ||
1032 | /* sanity checks */ | |
1033 | if (NULL == fh->fmt) | |
1034 | return -EINVAL; | |
1035 | if (fh->width < 48 || | |
1036 | fh->height < 32 || | |
1037 | fh->width/4 > dev->crop_current.width || | |
1038 | fh->height/4 > dev->crop_current.height || | |
1039 | fh->width > dev->crop_bounds.width || | |
1040 | fh->height > dev->crop_bounds.height) | |
1041 | return -EINVAL; | |
1042 | size = (fh->width * fh->height * fh->fmt->depth) >> 3; | |
1043 | if (0 != buf->vb.baddr && buf->vb.bsize < size) | |
1044 | return -EINVAL; | |
1045 | ||
1046 | dprintk("buffer_prepare [%d,size=%dx%d,bytes=%d,fields=%s,%s]\n", | |
1047 | vb->i,fh->width,fh->height,size,v4l2_field_names[field], | |
1048 | fh->fmt->name); | |
1049 | if (buf->vb.width != fh->width || | |
1050 | buf->vb.height != fh->height || | |
1051 | buf->vb.size != size || | |
1052 | buf->vb.field != field || | |
1053 | buf->fmt != fh->fmt) { | |
c7b0ac05 | 1054 | saa7134_dma_free(q,buf); |
1da177e4 LT |
1055 | } |
1056 | ||
1057 | if (STATE_NEEDS_INIT == buf->vb.state) { | |
c1accaa2 MCC |
1058 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
1059 | ||
1da177e4 LT |
1060 | buf->vb.width = fh->width; |
1061 | buf->vb.height = fh->height; | |
1062 | buf->vb.size = size; | |
1063 | buf->vb.field = field; | |
1064 | buf->fmt = fh->fmt; | |
1065 | buf->pt = &fh->pt_cap; | |
1066 | ||
c7b0ac05 | 1067 | err = videobuf_iolock(q,&buf->vb,&dev->ovbuf); |
1da177e4 LT |
1068 | if (err) |
1069 | goto oops; | |
1070 | err = saa7134_pgtable_build(dev->pci,buf->pt, | |
c1accaa2 MCC |
1071 | dma->sglist, |
1072 | dma->sglen, | |
1da177e4 LT |
1073 | saa7134_buffer_startpage(buf)); |
1074 | if (err) | |
1075 | goto oops; | |
1076 | } | |
1077 | buf->vb.state = STATE_PREPARED; | |
1078 | buf->activate = buffer_activate; | |
1079 | return 0; | |
1080 | ||
1081 | oops: | |
c7b0ac05 | 1082 | saa7134_dma_free(q,buf); |
1da177e4 LT |
1083 | return err; |
1084 | } | |
1085 | ||
1086 | static int | |
1087 | buffer_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) | |
1088 | { | |
1089 | struct saa7134_fh *fh = q->priv_data; | |
1090 | ||
1091 | *size = fh->fmt->depth * fh->width * fh->height >> 3; | |
1092 | if (0 == *count) | |
1093 | *count = gbuffers; | |
1094 | *count = saa7134_buffer_count(*size,*count); | |
1095 | return 0; | |
1096 | } | |
1097 | ||
1098 | static void buffer_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
1099 | { | |
1100 | struct saa7134_fh *fh = q->priv_data; | |
1101 | struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); | |
1102 | ||
1103 | saa7134_buffer_queue(fh->dev,&fh->dev->video_q,buf); | |
1104 | } | |
1105 | ||
1106 | static void buffer_release(struct videobuf_queue *q, struct videobuf_buffer *vb) | |
1107 | { | |
1da177e4 LT |
1108 | struct saa7134_buf *buf = container_of(vb,struct saa7134_buf,vb); |
1109 | ||
c7b0ac05 | 1110 | saa7134_dma_free(q,buf); |
1da177e4 LT |
1111 | } |
1112 | ||
1113 | static struct videobuf_queue_ops video_qops = { | |
1114 | .buf_setup = buffer_setup, | |
1115 | .buf_prepare = buffer_prepare, | |
1116 | .buf_queue = buffer_queue, | |
1117 | .buf_release = buffer_release, | |
1118 | }; | |
1119 | ||
1120 | /* ------------------------------------------------------------------ */ | |
1121 | ||
1122 | static int get_control(struct saa7134_dev *dev, struct v4l2_control *c) | |
1123 | { | |
1124 | const struct v4l2_queryctrl* ctrl; | |
1125 | ||
1126 | ctrl = ctrl_by_id(c->id); | |
1127 | if (NULL == ctrl) | |
1128 | return -EINVAL; | |
1129 | switch (c->id) { | |
1130 | case V4L2_CID_BRIGHTNESS: | |
1131 | c->value = dev->ctl_bright; | |
1132 | break; | |
1133 | case V4L2_CID_HUE: | |
1134 | c->value = dev->ctl_hue; | |
1135 | break; | |
1136 | case V4L2_CID_CONTRAST: | |
1137 | c->value = dev->ctl_contrast; | |
1138 | break; | |
1139 | case V4L2_CID_SATURATION: | |
1140 | c->value = dev->ctl_saturation; | |
1141 | break; | |
1142 | case V4L2_CID_AUDIO_MUTE: | |
1143 | c->value = dev->ctl_mute; | |
1144 | break; | |
1145 | case V4L2_CID_AUDIO_VOLUME: | |
1146 | c->value = dev->ctl_volume; | |
1147 | break; | |
1148 | case V4L2_CID_PRIVATE_INVERT: | |
1149 | c->value = dev->ctl_invert; | |
1150 | break; | |
f246a817 | 1151 | case V4L2_CID_HFLIP: |
1da177e4 LT |
1152 | c->value = dev->ctl_mirror; |
1153 | break; | |
1154 | case V4L2_CID_PRIVATE_Y_EVEN: | |
1155 | c->value = dev->ctl_y_even; | |
1156 | break; | |
1157 | case V4L2_CID_PRIVATE_Y_ODD: | |
1158 | c->value = dev->ctl_y_odd; | |
1159 | break; | |
1160 | case V4L2_CID_PRIVATE_AUTOMUTE: | |
1161 | c->value = dev->ctl_automute; | |
1162 | break; | |
1163 | default: | |
1164 | return -EINVAL; | |
1165 | } | |
1166 | return 0; | |
1167 | } | |
1168 | ||
1169 | static int set_control(struct saa7134_dev *dev, struct saa7134_fh *fh, | |
1170 | struct v4l2_control *c) | |
1171 | { | |
1172 | const struct v4l2_queryctrl* ctrl; | |
1173 | unsigned long flags; | |
1174 | int restart_overlay = 0; | |
1175 | ||
1176 | ctrl = ctrl_by_id(c->id); | |
1177 | if (NULL == ctrl) | |
1178 | return -EINVAL; | |
1179 | dprintk("set_control name=%s val=%d\n",ctrl->name,c->value); | |
1180 | switch (ctrl->type) { | |
1181 | case V4L2_CTRL_TYPE_BOOLEAN: | |
1182 | case V4L2_CTRL_TYPE_MENU: | |
1183 | case V4L2_CTRL_TYPE_INTEGER: | |
1184 | if (c->value < ctrl->minimum) | |
1185 | c->value = ctrl->minimum; | |
1186 | if (c->value > ctrl->maximum) | |
1187 | c->value = ctrl->maximum; | |
1188 | break; | |
1189 | default: | |
1190 | /* nothing */; | |
1191 | }; | |
1192 | switch (c->id) { | |
1193 | case V4L2_CID_BRIGHTNESS: | |
1194 | dev->ctl_bright = c->value; | |
1195 | saa_writeb(SAA7134_DEC_LUMA_BRIGHT, dev->ctl_bright); | |
1196 | break; | |
1197 | case V4L2_CID_HUE: | |
1198 | dev->ctl_hue = c->value; | |
1199 | saa_writeb(SAA7134_DEC_CHROMA_HUE, dev->ctl_hue); | |
1200 | break; | |
1201 | case V4L2_CID_CONTRAST: | |
1202 | dev->ctl_contrast = c->value; | |
1203 | saa_writeb(SAA7134_DEC_LUMA_CONTRAST, | |
1204 | dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); | |
1205 | break; | |
1206 | case V4L2_CID_SATURATION: | |
1207 | dev->ctl_saturation = c->value; | |
1208 | saa_writeb(SAA7134_DEC_CHROMA_SATURATION, | |
1209 | dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); | |
1210 | break; | |
1211 | case V4L2_CID_AUDIO_MUTE: | |
1212 | dev->ctl_mute = c->value; | |
1213 | saa7134_tvaudio_setmute(dev); | |
1214 | break; | |
1215 | case V4L2_CID_AUDIO_VOLUME: | |
1216 | dev->ctl_volume = c->value; | |
1217 | saa7134_tvaudio_setvolume(dev,dev->ctl_volume); | |
1218 | break; | |
1219 | case V4L2_CID_PRIVATE_INVERT: | |
1220 | dev->ctl_invert = c->value; | |
1221 | saa_writeb(SAA7134_DEC_LUMA_CONTRAST, | |
1222 | dev->ctl_invert ? -dev->ctl_contrast : dev->ctl_contrast); | |
1223 | saa_writeb(SAA7134_DEC_CHROMA_SATURATION, | |
1224 | dev->ctl_invert ? -dev->ctl_saturation : dev->ctl_saturation); | |
1225 | break; | |
f246a817 | 1226 | case V4L2_CID_HFLIP: |
1da177e4 LT |
1227 | dev->ctl_mirror = c->value; |
1228 | restart_overlay = 1; | |
1229 | break; | |
1230 | case V4L2_CID_PRIVATE_Y_EVEN: | |
1231 | dev->ctl_y_even = c->value; | |
1232 | restart_overlay = 1; | |
1233 | break; | |
1234 | case V4L2_CID_PRIVATE_Y_ODD: | |
1235 | dev->ctl_y_odd = c->value; | |
1236 | restart_overlay = 1; | |
1237 | break; | |
1238 | case V4L2_CID_PRIVATE_AUTOMUTE: | |
1239 | dev->ctl_automute = c->value; | |
1240 | if (dev->tda9887_conf) { | |
1241 | if (dev->ctl_automute) | |
1242 | dev->tda9887_conf |= TDA9887_AUTOMUTE; | |
1243 | else | |
1244 | dev->tda9887_conf &= ~TDA9887_AUTOMUTE; | |
1245 | saa7134_i2c_call_clients(dev, TDA9887_SET_CONFIG, | |
1246 | &dev->tda9887_conf); | |
1247 | } | |
1248 | break; | |
1249 | default: | |
1250 | return -EINVAL; | |
1251 | } | |
1252 | if (restart_overlay && fh && res_check(fh, RESOURCE_OVERLAY)) { | |
1253 | spin_lock_irqsave(&dev->slock,flags); | |
1254 | stop_preview(dev,fh); | |
1255 | start_preview(dev,fh); | |
1256 | spin_unlock_irqrestore(&dev->slock,flags); | |
1257 | } | |
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | /* ------------------------------------------------------------------ */ | |
1262 | ||
1263 | static struct videobuf_queue* saa7134_queue(struct saa7134_fh *fh) | |
1264 | { | |
1265 | struct videobuf_queue* q = NULL; | |
1266 | ||
1267 | switch (fh->type) { | |
1268 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1269 | q = &fh->cap; | |
1270 | break; | |
1271 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1272 | q = &fh->vbi; | |
1273 | break; | |
1274 | default: | |
1275 | BUG(); | |
1276 | } | |
1277 | return q; | |
1278 | } | |
1279 | ||
1280 | static int saa7134_resource(struct saa7134_fh *fh) | |
1281 | { | |
9040b32e HO |
1282 | if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1283 | return RESOURCE_VIDEO; | |
1da177e4 | 1284 | |
9040b32e HO |
1285 | if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) |
1286 | return RESOURCE_VBI; | |
1287 | ||
1288 | BUG(); | |
1289 | return 0; | |
1da177e4 LT |
1290 | } |
1291 | ||
1292 | static int video_open(struct inode *inode, struct file *file) | |
1293 | { | |
1294 | int minor = iminor(inode); | |
6d28e989 | 1295 | struct saa7134_dev *dev; |
1da177e4 | 1296 | struct saa7134_fh *fh; |
1da177e4 LT |
1297 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1298 | int radio = 0; | |
6d28e989 TP |
1299 | list_for_each_entry(dev, &saa7134_devlist, devlist) { |
1300 | if (dev->video_dev && (dev->video_dev->minor == minor)) | |
1301 | goto found; | |
1302 | if (dev->radio_dev && (dev->radio_dev->minor == minor)) { | |
1da177e4 | 1303 | radio = 1; |
6d28e989 | 1304 | goto found; |
1da177e4 | 1305 | } |
6d28e989 | 1306 | if (dev->vbi_dev && (dev->vbi_dev->minor == minor)) { |
1da177e4 | 1307 | type = V4L2_BUF_TYPE_VBI_CAPTURE; |
6d28e989 | 1308 | goto found; |
1da177e4 LT |
1309 | } |
1310 | } | |
6d28e989 TP |
1311 | return -ENODEV; |
1312 | found: | |
1da177e4 LT |
1313 | |
1314 | dprintk("open minor=%d radio=%d type=%s\n",minor,radio, | |
1315 | v4l2_type_names[type]); | |
1316 | ||
1317 | /* allocate + initialize per filehandle data */ | |
7408187d | 1318 | fh = kzalloc(sizeof(*fh),GFP_KERNEL); |
1da177e4 LT |
1319 | if (NULL == fh) |
1320 | return -ENOMEM; | |
1da177e4 LT |
1321 | file->private_data = fh; |
1322 | fh->dev = dev; | |
1323 | fh->radio = radio; | |
1324 | fh->type = type; | |
1325 | fh->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24); | |
1326 | fh->width = 720; | |
1327 | fh->height = 576; | |
1328 | v4l2_prio_open(&dev->prio,&fh->prio); | |
1329 | ||
c1accaa2 | 1330 | videobuf_queue_pci_init(&fh->cap, &video_qops, |
1da177e4 LT |
1331 | dev->pci, &dev->slock, |
1332 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
1333 | V4L2_FIELD_INTERLACED, | |
1334 | sizeof(struct saa7134_buf), | |
1335 | fh); | |
c1accaa2 | 1336 | videobuf_queue_pci_init(&fh->vbi, &saa7134_vbi_qops, |
1da177e4 LT |
1337 | dev->pci, &dev->slock, |
1338 | V4L2_BUF_TYPE_VBI_CAPTURE, | |
1339 | V4L2_FIELD_SEQ_TB, | |
1340 | sizeof(struct saa7134_buf), | |
1341 | fh); | |
1342 | saa7134_pgtable_alloc(dev->pci,&fh->pt_cap); | |
1343 | saa7134_pgtable_alloc(dev->pci,&fh->pt_vbi); | |
1344 | ||
1345 | if (fh->radio) { | |
1346 | /* switch to radio mode */ | |
1347 | saa7134_tvaudio_setinput(dev,&card(dev).radio); | |
330a115a | 1348 | saa7134_i2c_call_clients(dev,AUDC_SET_RADIO, NULL); |
1da177e4 LT |
1349 | } else { |
1350 | /* switch to video/vbi mode */ | |
1351 | video_mux(dev,dev->ctl_input); | |
1352 | } | |
330a115a | 1353 | return 0; |
1da177e4 LT |
1354 | } |
1355 | ||
1356 | static ssize_t | |
1357 | video_read(struct file *file, char __user *data, size_t count, loff_t *ppos) | |
1358 | { | |
1359 | struct saa7134_fh *fh = file->private_data; | |
1360 | ||
1361 | switch (fh->type) { | |
1362 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1363 | if (res_locked(fh->dev,RESOURCE_VIDEO)) | |
1364 | return -EBUSY; | |
1365 | return videobuf_read_one(saa7134_queue(fh), | |
1366 | data, count, ppos, | |
1367 | file->f_flags & O_NONBLOCK); | |
1368 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1369 | if (!res_get(fh->dev,fh,RESOURCE_VBI)) | |
1370 | return -EBUSY; | |
1371 | return videobuf_read_stream(saa7134_queue(fh), | |
1372 | data, count, ppos, 1, | |
1373 | file->f_flags & O_NONBLOCK); | |
1374 | break; | |
1375 | default: | |
1376 | BUG(); | |
1377 | return 0; | |
1378 | } | |
1379 | } | |
1380 | ||
1381 | static unsigned int | |
1382 | video_poll(struct file *file, struct poll_table_struct *wait) | |
1383 | { | |
1384 | struct saa7134_fh *fh = file->private_data; | |
1385 | struct videobuf_buffer *buf = NULL; | |
1386 | ||
1387 | if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) | |
1388 | return videobuf_poll_stream(file, &fh->vbi, wait); | |
1389 | ||
1390 | if (res_check(fh,RESOURCE_VIDEO)) { | |
1391 | if (!list_empty(&fh->cap.stream)) | |
1392 | buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream); | |
1393 | } else { | |
3593cab5 | 1394 | mutex_lock(&fh->cap.lock); |
1da177e4 | 1395 | if (UNSET == fh->cap.read_off) { |
330a115a | 1396 | /* need to capture a new frame */ |
1da177e4 | 1397 | if (res_locked(fh->dev,RESOURCE_VIDEO)) { |
3593cab5 | 1398 | mutex_unlock(&fh->cap.lock); |
330a115a | 1399 | return POLLERR; |
4ac97914 MCC |
1400 | } |
1401 | if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) { | |
3593cab5 | 1402 | mutex_unlock(&fh->cap.lock); |
f2421ca3 | 1403 | return POLLERR; |
4ac97914 MCC |
1404 | } |
1405 | fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf); | |
1406 | fh->cap.read_off = 0; | |
1da177e4 | 1407 | } |
3593cab5 | 1408 | mutex_unlock(&fh->cap.lock); |
1da177e4 LT |
1409 | buf = fh->cap.read_buf; |
1410 | } | |
1411 | ||
1412 | if (!buf) | |
1413 | return POLLERR; | |
1414 | ||
1415 | poll_wait(file, &buf->done, wait); | |
1416 | if (buf->state == STATE_DONE || | |
1417 | buf->state == STATE_ERROR) | |
1418 | return POLLIN|POLLRDNORM; | |
1419 | return 0; | |
1420 | } | |
1421 | ||
1422 | static int video_release(struct inode *inode, struct file *file) | |
1423 | { | |
1424 | struct saa7134_fh *fh = file->private_data; | |
1425 | struct saa7134_dev *dev = fh->dev; | |
1426 | unsigned long flags; | |
1427 | ||
1428 | /* turn off overlay */ | |
1429 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
1430 | spin_lock_irqsave(&dev->slock,flags); | |
1431 | stop_preview(dev,fh); | |
1432 | spin_unlock_irqrestore(&dev->slock,flags); | |
1433 | res_free(dev,fh,RESOURCE_OVERLAY); | |
1434 | } | |
1435 | ||
1436 | /* stop video capture */ | |
1437 | if (res_check(fh, RESOURCE_VIDEO)) { | |
1438 | videobuf_streamoff(&fh->cap); | |
1439 | res_free(dev,fh,RESOURCE_VIDEO); | |
1440 | } | |
1441 | if (fh->cap.read_buf) { | |
1442 | buffer_release(&fh->cap,fh->cap.read_buf); | |
1443 | kfree(fh->cap.read_buf); | |
1444 | } | |
1445 | ||
1446 | /* stop vbi capture */ | |
1447 | if (res_check(fh, RESOURCE_VBI)) { | |
053fcb60 | 1448 | videobuf_stop(&fh->vbi); |
1da177e4 LT |
1449 | res_free(dev,fh,RESOURCE_VBI); |
1450 | } | |
1451 | ||
330a115a MCC |
1452 | /* ts-capture will not work in planar mode, so turn it off Hac: 04.05*/ |
1453 | saa_andorb(SAA7134_OFMT_VIDEO_A, 0x1f, 0); | |
1454 | saa_andorb(SAA7134_OFMT_VIDEO_B, 0x1f, 0); | |
1455 | saa_andorb(SAA7134_OFMT_DATA_A, 0x1f, 0); | |
1456 | saa_andorb(SAA7134_OFMT_DATA_B, 0x1f, 0); | |
1457 | ||
2f180710 | 1458 | saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL); |
330a115a | 1459 | |
1da177e4 LT |
1460 | /* free stuff */ |
1461 | videobuf_mmap_free(&fh->cap); | |
1462 | videobuf_mmap_free(&fh->vbi); | |
1463 | saa7134_pgtable_free(dev->pci,&fh->pt_cap); | |
1464 | saa7134_pgtable_free(dev->pci,&fh->pt_vbi); | |
1465 | ||
1466 | v4l2_prio_close(&dev->prio,&fh->prio); | |
1467 | file->private_data = NULL; | |
1468 | kfree(fh); | |
1469 | return 0; | |
1470 | } | |
1471 | ||
9040b32e | 1472 | static int video_mmap(struct file *file, struct vm_area_struct * vma) |
1da177e4 LT |
1473 | { |
1474 | struct saa7134_fh *fh = file->private_data; | |
1475 | ||
1476 | return videobuf_mmap_mapper(saa7134_queue(fh), vma); | |
1477 | } | |
1478 | ||
1479 | /* ------------------------------------------------------------------ */ | |
1480 | ||
1481 | static void saa7134_vbi_fmt(struct saa7134_dev *dev, struct v4l2_format *f) | |
1482 | { | |
1483 | struct saa7134_tvnorm *norm = dev->tvnorm; | |
1484 | ||
1485 | f->fmt.vbi.sampling_rate = 6750000 * 4; | |
1486 | f->fmt.vbi.samples_per_line = 2048 /* VBI_LINE_LENGTH */; | |
1487 | f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; | |
1488 | f->fmt.vbi.offset = 64 * 4; | |
f246a817 MS |
1489 | f->fmt.vbi.start[0] = norm->vbi_v_start_0; |
1490 | f->fmt.vbi.count[0] = norm->vbi_v_stop_0 - norm->vbi_v_start_0 +1; | |
1491 | f->fmt.vbi.start[1] = norm->vbi_v_start_1; | |
1da177e4 LT |
1492 | f->fmt.vbi.count[1] = f->fmt.vbi.count[0]; |
1493 | f->fmt.vbi.flags = 0; /* VBI_UNSYNC VBI_INTERLACED */ | |
1494 | ||
1da177e4 LT |
1495 | } |
1496 | ||
1497 | static int saa7134_g_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, | |
1498 | struct v4l2_format *f) | |
1499 | { | |
1500 | switch (f->type) { | |
1501 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1502 | memset(&f->fmt.pix,0,sizeof(f->fmt.pix)); | |
1503 | f->fmt.pix.width = fh->width; | |
1504 | f->fmt.pix.height = fh->height; | |
1505 | f->fmt.pix.field = fh->cap.field; | |
1506 | f->fmt.pix.pixelformat = fh->fmt->fourcc; | |
1507 | f->fmt.pix.bytesperline = | |
1508 | (f->fmt.pix.width * fh->fmt->depth) >> 3; | |
1509 | f->fmt.pix.sizeimage = | |
1510 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
1511 | return 0; | |
1512 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
ecb73774 MCC |
1513 | if (saa7134_no_overlay > 0) { |
1514 | printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); | |
1515 | return -EINVAL; | |
1516 | } | |
1da177e4 LT |
1517 | f->fmt.win = fh->win; |
1518 | return 0; | |
1519 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1520 | saa7134_vbi_fmt(dev,f); | |
1521 | return 0; | |
1522 | default: | |
1523 | return -EINVAL; | |
1524 | } | |
1525 | } | |
1526 | ||
1527 | static int saa7134_try_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, | |
1528 | struct v4l2_format *f) | |
1529 | { | |
1530 | int err; | |
1531 | ||
1532 | switch (f->type) { | |
1533 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1534 | { | |
1535 | struct saa7134_format *fmt; | |
1536 | enum v4l2_field field; | |
1537 | unsigned int maxw, maxh; | |
1538 | ||
1539 | fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1540 | if (NULL == fmt) | |
1541 | return -EINVAL; | |
1542 | ||
1543 | field = f->fmt.pix.field; | |
1544 | maxw = min(dev->crop_current.width*4, dev->crop_bounds.width); | |
1545 | maxh = min(dev->crop_current.height*4, dev->crop_bounds.height); | |
1546 | ||
1547 | if (V4L2_FIELD_ANY == field) { | |
1548 | field = (f->fmt.pix.height > maxh/2) | |
1549 | ? V4L2_FIELD_INTERLACED | |
1550 | : V4L2_FIELD_BOTTOM; | |
1551 | } | |
1552 | switch (field) { | |
1553 | case V4L2_FIELD_TOP: | |
1554 | case V4L2_FIELD_BOTTOM: | |
1555 | maxh = maxh / 2; | |
1556 | break; | |
1557 | case V4L2_FIELD_INTERLACED: | |
1558 | break; | |
1559 | default: | |
1560 | return -EINVAL; | |
1561 | } | |
1562 | ||
1563 | f->fmt.pix.field = field; | |
1564 | if (f->fmt.pix.width < 48) | |
1565 | f->fmt.pix.width = 48; | |
1566 | if (f->fmt.pix.height < 32) | |
1567 | f->fmt.pix.height = 32; | |
1568 | if (f->fmt.pix.width > maxw) | |
1569 | f->fmt.pix.width = maxw; | |
1570 | if (f->fmt.pix.height > maxh) | |
1571 | f->fmt.pix.height = maxh; | |
1572 | f->fmt.pix.width &= ~0x03; | |
1573 | f->fmt.pix.bytesperline = | |
1574 | (f->fmt.pix.width * fmt->depth) >> 3; | |
1575 | f->fmt.pix.sizeimage = | |
1576 | f->fmt.pix.height * f->fmt.pix.bytesperline; | |
1577 | ||
1578 | return 0; | |
1579 | } | |
1580 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
ecb73774 MCC |
1581 | if (saa7134_no_overlay > 0) { |
1582 | printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); | |
1583 | return -EINVAL; | |
1584 | } | |
1da177e4 LT |
1585 | err = verify_preview(dev,&f->fmt.win); |
1586 | if (0 != err) | |
1587 | return err; | |
1588 | return 0; | |
1589 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1590 | saa7134_vbi_fmt(dev,f); | |
1591 | return 0; | |
1592 | default: | |
1593 | return -EINVAL; | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | static int saa7134_s_fmt(struct saa7134_dev *dev, struct saa7134_fh *fh, | |
1598 | struct v4l2_format *f) | |
1599 | { | |
1600 | unsigned long flags; | |
1601 | int err; | |
1602 | ||
1603 | switch (f->type) { | |
1604 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
1605 | err = saa7134_try_fmt(dev,fh,f); | |
1606 | if (0 != err) | |
1607 | return err; | |
1608 | ||
1609 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); | |
1610 | fh->width = f->fmt.pix.width; | |
1611 | fh->height = f->fmt.pix.height; | |
1612 | fh->cap.field = f->fmt.pix.field; | |
1613 | return 0; | |
1614 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
ecb73774 MCC |
1615 | if (saa7134_no_overlay > 0) { |
1616 | printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); | |
1617 | return -EINVAL; | |
1618 | } | |
1da177e4 LT |
1619 | err = verify_preview(dev,&f->fmt.win); |
1620 | if (0 != err) | |
1621 | return err; | |
1622 | ||
3593cab5 | 1623 | mutex_lock(&dev->lock); |
1da177e4 LT |
1624 | fh->win = f->fmt.win; |
1625 | fh->nclips = f->fmt.win.clipcount; | |
1626 | if (fh->nclips > 8) | |
1627 | fh->nclips = 8; | |
1628 | if (copy_from_user(fh->clips,f->fmt.win.clips, | |
1629 | sizeof(struct v4l2_clip)*fh->nclips)) { | |
3593cab5 | 1630 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1631 | return -EFAULT; |
1632 | } | |
1633 | ||
1634 | if (res_check(fh, RESOURCE_OVERLAY)) { | |
1635 | spin_lock_irqsave(&dev->slock,flags); | |
1636 | stop_preview(dev,fh); | |
1637 | start_preview(dev,fh); | |
1638 | spin_unlock_irqrestore(&dev->slock,flags); | |
1639 | } | |
3593cab5 | 1640 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1641 | return 0; |
1642 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
1643 | saa7134_vbi_fmt(dev,f); | |
1644 | return 0; | |
1645 | default: | |
1646 | return -EINVAL; | |
1647 | } | |
1648 | } | |
1649 | ||
1650 | int saa7134_common_ioctl(struct saa7134_dev *dev, | |
1651 | unsigned int cmd, void *arg) | |
1652 | { | |
1653 | int err; | |
1654 | ||
1655 | switch (cmd) { | |
1656 | case VIDIOC_QUERYCTRL: | |
1657 | { | |
1658 | const struct v4l2_queryctrl *ctrl; | |
1659 | struct v4l2_queryctrl *c = arg; | |
1660 | ||
1661 | if ((c->id < V4L2_CID_BASE || | |
1662 | c->id >= V4L2_CID_LASTP1) && | |
1663 | (c->id < V4L2_CID_PRIVATE_BASE || | |
1664 | c->id >= V4L2_CID_PRIVATE_LASTP1)) | |
1665 | return -EINVAL; | |
1666 | ctrl = ctrl_by_id(c->id); | |
1667 | *c = (NULL != ctrl) ? *ctrl : no_ctrl; | |
1668 | return 0; | |
1669 | } | |
1670 | case VIDIOC_G_CTRL: | |
1671 | return get_control(dev,arg); | |
1672 | case VIDIOC_S_CTRL: | |
1673 | { | |
3593cab5 | 1674 | mutex_lock(&dev->lock); |
1da177e4 | 1675 | err = set_control(dev,NULL,arg); |
3593cab5 | 1676 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1677 | return err; |
1678 | } | |
1679 | /* --- input switching --------------------------------------- */ | |
1680 | case VIDIOC_ENUMINPUT: | |
1681 | { | |
1682 | struct v4l2_input *i = arg; | |
1683 | unsigned int n; | |
1684 | ||
1685 | n = i->index; | |
1686 | if (n >= SAA7134_INPUT_MAX) | |
1687 | return -EINVAL; | |
1688 | if (NULL == card_in(dev,i->index).name) | |
1689 | return -EINVAL; | |
1690 | memset(i,0,sizeof(*i)); | |
1691 | i->index = n; | |
1692 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1693 | strcpy(i->name,card_in(dev,n).name); | |
1694 | if (card_in(dev,n).tv) | |
1695 | i->type = V4L2_INPUT_TYPE_TUNER; | |
1696 | i->audioset = 1; | |
1697 | if (n == dev->ctl_input) { | |
1698 | int v1 = saa_readb(SAA7134_STATUS_VIDEO1); | |
1699 | int v2 = saa_readb(SAA7134_STATUS_VIDEO2); | |
1700 | ||
1701 | if (0 != (v1 & 0x40)) | |
1702 | i->status |= V4L2_IN_ST_NO_H_LOCK; | |
1703 | if (0 != (v2 & 0x40)) | |
1704 | i->status |= V4L2_IN_ST_NO_SYNC; | |
1705 | if (0 != (v2 & 0x0e)) | |
1706 | i->status |= V4L2_IN_ST_MACROVISION; | |
1707 | } | |
1708 | for (n = 0; n < TVNORMS; n++) | |
1709 | i->std |= tvnorms[n].id; | |
1710 | return 0; | |
1711 | } | |
1712 | case VIDIOC_G_INPUT: | |
1713 | { | |
1714 | int *i = arg; | |
1715 | *i = dev->ctl_input; | |
1716 | return 0; | |
1717 | } | |
1718 | case VIDIOC_S_INPUT: | |
1719 | { | |
1720 | int *i = arg; | |
1721 | ||
1722 | if (*i < 0 || *i >= SAA7134_INPUT_MAX) | |
1723 | return -EINVAL; | |
1724 | if (NULL == card_in(dev,*i).name) | |
1725 | return -EINVAL; | |
3593cab5 | 1726 | mutex_lock(&dev->lock); |
1da177e4 | 1727 | video_mux(dev,*i); |
3593cab5 | 1728 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1729 | return 0; |
1730 | } | |
1731 | ||
1732 | } | |
1733 | return 0; | |
1734 | } | |
1735 | EXPORT_SYMBOL(saa7134_common_ioctl); | |
1736 | ||
1737 | /* | |
1738 | * This function is _not_ called directly, but from | |
1739 | * video_generic_ioctl (and maybe others). userspace | |
1740 | * copying is done already, arg is a kernel pointer. | |
1741 | */ | |
1742 | static int video_do_ioctl(struct inode *inode, struct file *file, | |
1743 | unsigned int cmd, void *arg) | |
1744 | { | |
1745 | struct saa7134_fh *fh = file->private_data; | |
1746 | struct saa7134_dev *dev = fh->dev; | |
1747 | unsigned long flags; | |
1748 | int err; | |
1749 | ||
1750 | if (video_debug > 1) | |
5e453dc7 | 1751 | v4l_print_ioctl(dev->name,cmd); |
1da177e4 LT |
1752 | |
1753 | switch (cmd) { | |
1754 | case VIDIOC_S_CTRL: | |
1755 | case VIDIOC_S_STD: | |
1756 | case VIDIOC_S_INPUT: | |
1757 | case VIDIOC_S_TUNER: | |
1758 | case VIDIOC_S_FREQUENCY: | |
1759 | err = v4l2_prio_check(&dev->prio,&fh->prio); | |
1760 | if (0 != err) | |
1761 | return err; | |
1762 | } | |
1763 | ||
1764 | switch (cmd) { | |
1765 | case VIDIOC_QUERYCAP: | |
1766 | { | |
1767 | struct v4l2_capability *cap = arg; | |
bb881f14 | 1768 | unsigned int tuner_type = dev->tuner_type; |
1da177e4 LT |
1769 | |
1770 | memset(cap,0,sizeof(*cap)); | |
4ac97914 | 1771 | strcpy(cap->driver, "saa7134"); |
1da177e4 LT |
1772 | strlcpy(cap->card, saa7134_boards[dev->board].name, |
1773 | sizeof(cap->card)); | |
1774 | sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); | |
1775 | cap->version = SAA7134_VERSION_CODE; | |
1776 | cap->capabilities = | |
1777 | V4L2_CAP_VIDEO_CAPTURE | | |
1da177e4 | 1778 | V4L2_CAP_VBI_CAPTURE | |
1da177e4 | 1779 | V4L2_CAP_READWRITE | |
bb881f14 NS |
1780 | V4L2_CAP_STREAMING | |
1781 | V4L2_CAP_TUNER; | |
ecb73774 MCC |
1782 | if (saa7134_no_overlay <= 0) { |
1783 | cap->capabilities |= V4L2_CAP_VIDEO_OVERLAY; | |
1784 | } | |
bb881f14 NS |
1785 | |
1786 | if ((tuner_type == TUNER_ABSENT) || (tuner_type == UNSET)) | |
1787 | cap->capabilities &= ~V4L2_CAP_TUNER; | |
1788 | ||
1da177e4 LT |
1789 | return 0; |
1790 | } | |
1791 | ||
1792 | /* --- tv standards ------------------------------------------ */ | |
1793 | case VIDIOC_ENUMSTD: | |
1794 | { | |
1795 | struct v4l2_standard *e = arg; | |
1796 | unsigned int i; | |
1797 | ||
1798 | i = e->index; | |
1799 | if (i >= TVNORMS) | |
1800 | return -EINVAL; | |
1801 | err = v4l2_video_std_construct(e, tvnorms[e->index].id, | |
1802 | tvnorms[e->index].name); | |
1803 | e->index = i; | |
1804 | if (err < 0) | |
1805 | return err; | |
1806 | return 0; | |
1807 | } | |
1808 | case VIDIOC_G_STD: | |
1809 | { | |
1810 | v4l2_std_id *id = arg; | |
1811 | ||
1812 | *id = dev->tvnorm->id; | |
1813 | return 0; | |
1814 | } | |
1815 | case VIDIOC_S_STD: | |
1816 | { | |
1817 | v4l2_std_id *id = arg; | |
1818 | unsigned int i; | |
17b10a73 | 1819 | v4l2_std_id fixup; |
1da177e4 LT |
1820 | |
1821 | for (i = 0; i < TVNORMS; i++) | |
1822 | if (*id == tvnorms[i].id) | |
1823 | break; | |
1824 | if (i == TVNORMS) | |
1825 | for (i = 0; i < TVNORMS; i++) | |
1826 | if (*id & tvnorms[i].id) | |
1827 | break; | |
1828 | if (i == TVNORMS) | |
1829 | return -EINVAL; | |
9448025b HH |
1830 | if ((*id & V4L2_STD_SECAM) && (secam[0] != '-')) { |
1831 | if (secam[0] == 'L' || secam[0] == 'l') { | |
17b10a73 HH |
1832 | if (secam[1] == 'C' || secam[1] == 'c') |
1833 | fixup = V4L2_STD_SECAM_LC; | |
1834 | else | |
1835 | fixup = V4L2_STD_SECAM_L; | |
9448025b | 1836 | } else { |
17b10a73 HH |
1837 | if (secam[0] == 'D' || secam[0] == 'd') |
1838 | fixup = V4L2_STD_SECAM_DK; | |
9448025b HH |
1839 | else |
1840 | fixup = V4L2_STD_SECAM; | |
1841 | } | |
17b10a73 HH |
1842 | for (i = 0; i < TVNORMS; i++) |
1843 | if (fixup == tvnorms[i].id) | |
1844 | break; | |
1845 | } | |
3593cab5 | 1846 | mutex_lock(&dev->lock); |
1da177e4 LT |
1847 | if (res_check(fh, RESOURCE_OVERLAY)) { |
1848 | spin_lock_irqsave(&dev->slock,flags); | |
1849 | stop_preview(dev,fh); | |
b4aeb8b8 ML |
1850 | spin_unlock_irqrestore(&dev->slock, flags); |
1851 | ||
1da177e4 | 1852 | set_tvnorm(dev,&tvnorms[i]); |
b4aeb8b8 ML |
1853 | |
1854 | spin_lock_irqsave(&dev->slock, flags); | |
1da177e4 LT |
1855 | start_preview(dev,fh); |
1856 | spin_unlock_irqrestore(&dev->slock,flags); | |
1857 | } else | |
1858 | set_tvnorm(dev,&tvnorms[i]); | |
1859 | saa7134_tvaudio_do_scan(dev); | |
3593cab5 | 1860 | mutex_unlock(&dev->lock); |
1da177e4 LT |
1861 | return 0; |
1862 | } | |
1863 | ||
1864 | case VIDIOC_CROPCAP: | |
1865 | { | |
1866 | struct v4l2_cropcap *cap = arg; | |
1867 | ||
1868 | if (cap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
1869 | cap->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) | |
1870 | return -EINVAL; | |
1871 | cap->bounds = dev->crop_bounds; | |
1872 | cap->defrect = dev->crop_defrect; | |
1873 | cap->pixelaspect.numerator = 1; | |
1874 | cap->pixelaspect.denominator = 1; | |
1875 | if (dev->tvnorm->id & V4L2_STD_525_60) { | |
1876 | cap->pixelaspect.numerator = 11; | |
1877 | cap->pixelaspect.denominator = 10; | |
1878 | } | |
1879 | if (dev->tvnorm->id & V4L2_STD_625_50) { | |
1880 | cap->pixelaspect.numerator = 54; | |
1881 | cap->pixelaspect.denominator = 59; | |
1882 | } | |
1883 | return 0; | |
1884 | } | |
1885 | ||
1886 | case VIDIOC_G_CROP: | |
1887 | { | |
1888 | struct v4l2_crop * crop = arg; | |
1889 | ||
1890 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
1891 | crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) | |
1892 | return -EINVAL; | |
1893 | crop->c = dev->crop_current; | |
1894 | return 0; | |
1895 | } | |
1896 | case VIDIOC_S_CROP: | |
1897 | { | |
1898 | struct v4l2_crop *crop = arg; | |
1899 | struct v4l2_rect *b = &dev->crop_bounds; | |
1900 | ||
1901 | if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && | |
1902 | crop->type != V4L2_BUF_TYPE_VIDEO_OVERLAY) | |
1903 | return -EINVAL; | |
1904 | if (crop->c.height < 0) | |
1905 | return -EINVAL; | |
1906 | if (crop->c.width < 0) | |
1907 | return -EINVAL; | |
1908 | ||
1909 | if (res_locked(fh->dev,RESOURCE_OVERLAY)) | |
1910 | return -EBUSY; | |
1911 | if (res_locked(fh->dev,RESOURCE_VIDEO)) | |
1912 | return -EBUSY; | |
1913 | ||
1914 | if (crop->c.top < b->top) | |
1915 | crop->c.top = b->top; | |
1916 | if (crop->c.top > b->top + b->height) | |
1917 | crop->c.top = b->top + b->height; | |
1918 | if (crop->c.height > b->top - crop->c.top + b->height) | |
1919 | crop->c.height = b->top - crop->c.top + b->height; | |
1920 | ||
1921 | if (crop->c.left < b->left) | |
9f95a0bf | 1922 | crop->c.left = b->left; |
1da177e4 | 1923 | if (crop->c.left > b->left + b->width) |
9f95a0bf | 1924 | crop->c.left = b->left + b->width; |
1da177e4 LT |
1925 | if (crop->c.width > b->left - crop->c.left + b->width) |
1926 | crop->c.width = b->left - crop->c.left + b->width; | |
1927 | ||
1928 | dev->crop_current = crop->c; | |
1929 | return 0; | |
1930 | } | |
1931 | ||
1932 | /* --- tuner ioctls ------------------------------------------ */ | |
1933 | case VIDIOC_G_TUNER: | |
1934 | { | |
1935 | struct v4l2_tuner *t = arg; | |
1936 | int n; | |
1937 | ||
1938 | if (0 != t->index) | |
1939 | return -EINVAL; | |
1940 | memset(t,0,sizeof(*t)); | |
1941 | for (n = 0; n < SAA7134_INPUT_MAX; n++) | |
1942 | if (card_in(dev,n).tv) | |
1943 | break; | |
1944 | if (NULL != card_in(dev,n).name) { | |
1945 | strcpy(t->name, "Television"); | |
48c42596 | 1946 | t->type = V4L2_TUNER_ANALOG_TV; |
1da177e4 LT |
1947 | t->capability = V4L2_TUNER_CAP_NORM | |
1948 | V4L2_TUNER_CAP_STEREO | | |
1949 | V4L2_TUNER_CAP_LANG1 | | |
1950 | V4L2_TUNER_CAP_LANG2; | |
1951 | t->rangehigh = 0xffffffffUL; | |
1952 | t->rxsubchans = saa7134_tvaudio_getstereo(dev); | |
1953 | t->audmode = saa7134_tvaudio_rx2mode(t->rxsubchans); | |
1954 | } | |
1955 | if (0 != (saa_readb(SAA7134_STATUS_VIDEO1) & 0x03)) | |
1956 | t->signal = 0xffff; | |
1957 | return 0; | |
1958 | } | |
1959 | case VIDIOC_S_TUNER: | |
1960 | { | |
1961 | struct v4l2_tuner *t = arg; | |
1962 | int rx,mode; | |
1963 | ||
1964 | mode = dev->thread.mode; | |
1965 | if (UNSET == mode) { | |
1966 | rx = saa7134_tvaudio_getstereo(dev); | |
1967 | mode = saa7134_tvaudio_rx2mode(t->rxsubchans); | |
1968 | } | |
1969 | if (mode != t->audmode) { | |
1970 | dev->thread.mode = t->audmode; | |
1971 | } | |
1972 | return 0; | |
1973 | } | |
1974 | case VIDIOC_G_FREQUENCY: | |
1975 | { | |
1976 | struct v4l2_frequency *f = arg; | |
1977 | ||
1978 | memset(f,0,sizeof(*f)); | |
1979 | f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; | |
1980 | f->frequency = dev->ctl_freq; | |
1981 | return 0; | |
1982 | } | |
1983 | case VIDIOC_S_FREQUENCY: | |
1984 | { | |
1985 | struct v4l2_frequency *f = arg; | |
1986 | ||
1987 | if (0 != f->tuner) | |
1988 | return -EINVAL; | |
1989 | if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type) | |
1990 | return -EINVAL; | |
1991 | if (1 == fh->radio && V4L2_TUNER_RADIO != f->type) | |
1992 | return -EINVAL; | |
3593cab5 | 1993 | mutex_lock(&dev->lock); |
1da177e4 | 1994 | dev->ctl_freq = f->frequency; |
ac19ecc6 | 1995 | |
1da177e4 | 1996 | saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,f); |
ac19ecc6 | 1997 | |
1da177e4 | 1998 | saa7134_tvaudio_do_scan(dev); |
3593cab5 | 1999 | mutex_unlock(&dev->lock); |
1da177e4 LT |
2000 | return 0; |
2001 | } | |
2002 | ||
2003 | /* --- control ioctls ---------------------------------------- */ | |
2004 | case VIDIOC_ENUMINPUT: | |
2005 | case VIDIOC_G_INPUT: | |
2006 | case VIDIOC_S_INPUT: | |
2007 | case VIDIOC_QUERYCTRL: | |
2008 | case VIDIOC_G_CTRL: | |
2009 | case VIDIOC_S_CTRL: | |
2010 | return saa7134_common_ioctl(dev, cmd, arg); | |
2011 | ||
2012 | case VIDIOC_G_AUDIO: | |
2013 | { | |
2014 | struct v4l2_audio *a = arg; | |
2015 | ||
2016 | memset(a,0,sizeof(*a)); | |
2017 | strcpy(a->name,"audio"); | |
2018 | return 0; | |
2019 | } | |
2020 | case VIDIOC_S_AUDIO: | |
2021 | return 0; | |
4ac97914 MCC |
2022 | case VIDIOC_G_PARM: |
2023 | { | |
2024 | struct v4l2_captureparm *parm = arg; | |
2025 | memset(parm,0,sizeof(*parm)); | |
2026 | return 0; | |
2027 | } | |
2028 | ||
2029 | case VIDIOC_G_PRIORITY: | |
2030 | { | |
2031 | enum v4l2_priority *p = arg; | |
2032 | ||
2033 | *p = v4l2_prio_max(&dev->prio); | |
2034 | return 0; | |
2035 | } | |
2036 | case VIDIOC_S_PRIORITY: | |
2037 | { | |
2038 | enum v4l2_priority *prio = arg; | |
2039 | ||
2040 | return v4l2_prio_change(&dev->prio, &fh->prio, *prio); | |
2041 | } | |
1da177e4 LT |
2042 | |
2043 | /* --- preview ioctls ---------------------------------------- */ | |
2044 | case VIDIOC_ENUM_FMT: | |
2045 | { | |
2046 | struct v4l2_fmtdesc *f = arg; | |
2047 | enum v4l2_buf_type type; | |
2048 | unsigned int index; | |
2049 | ||
2050 | index = f->index; | |
2051 | type = f->type; | |
2052 | switch (type) { | |
2053 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
2054 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: | |
ecb73774 MCC |
2055 | if (saa7134_no_overlay > 0) { |
2056 | printk ("V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n"); | |
2057 | return -EINVAL; | |
2058 | } | |
1da177e4 LT |
2059 | if (index >= FORMATS) |
2060 | return -EINVAL; | |
2061 | if (f->type == V4L2_BUF_TYPE_VIDEO_OVERLAY && | |
2062 | formats[index].planar) | |
2063 | return -EINVAL; | |
2064 | memset(f,0,sizeof(*f)); | |
2065 | f->index = index; | |
2066 | f->type = type; | |
2067 | strlcpy(f->description,formats[index].name,sizeof(f->description)); | |
2068 | f->pixelformat = formats[index].fourcc; | |
2069 | break; | |
2070 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
2071 | if (0 != index) | |
2072 | return -EINVAL; | |
2073 | memset(f,0,sizeof(*f)); | |
2074 | f->index = index; | |
2075 | f->type = type; | |
2076 | f->pixelformat = V4L2_PIX_FMT_GREY; | |
2077 | strcpy(f->description,"vbi data"); | |
2078 | break; | |
2079 | default: | |
2080 | return -EINVAL; | |
2081 | } | |
2082 | return 0; | |
2083 | } | |
2084 | case VIDIOC_G_FBUF: | |
2085 | { | |
2086 | struct v4l2_framebuffer *fb = arg; | |
2087 | ||
2088 | *fb = dev->ovbuf; | |
2089 | fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING; | |
2090 | return 0; | |
2091 | } | |
2092 | case VIDIOC_S_FBUF: | |
2093 | { | |
2094 | struct v4l2_framebuffer *fb = arg; | |
2095 | struct saa7134_format *fmt; | |
2096 | ||
2097 | if(!capable(CAP_SYS_ADMIN) && | |
2098 | !capable(CAP_SYS_RAWIO)) | |
2099 | return -EPERM; | |
2100 | ||
2101 | /* check args */ | |
2102 | fmt = format_by_fourcc(fb->fmt.pixelformat); | |
2103 | if (NULL == fmt) | |
2104 | return -EINVAL; | |
2105 | ||
2106 | /* ok, accept it */ | |
2107 | dev->ovbuf = *fb; | |
2108 | dev->ovfmt = fmt; | |
2109 | if (0 == dev->ovbuf.fmt.bytesperline) | |
2110 | dev->ovbuf.fmt.bytesperline = | |
2111 | dev->ovbuf.fmt.width*fmt->depth/8; | |
2112 | return 0; | |
2113 | } | |
2114 | case VIDIOC_OVERLAY: | |
2115 | { | |
2116 | int *on = arg; | |
2117 | ||
2118 | if (*on) { | |
ecb73774 MCC |
2119 | if (saa7134_no_overlay > 0) { |
2120 | printk ("no_overlay\n"); | |
2121 | return -EINVAL; | |
2122 | } | |
2123 | ||
1da177e4 LT |
2124 | if (!res_get(dev,fh,RESOURCE_OVERLAY)) |
2125 | return -EBUSY; | |
2126 | spin_lock_irqsave(&dev->slock,flags); | |
2127 | start_preview(dev,fh); | |
2128 | spin_unlock_irqrestore(&dev->slock,flags); | |
2129 | } | |
2130 | if (!*on) { | |
2131 | if (!res_check(fh, RESOURCE_OVERLAY)) | |
2132 | return -EINVAL; | |
2133 | spin_lock_irqsave(&dev->slock,flags); | |
2134 | stop_preview(dev,fh); | |
2135 | spin_unlock_irqrestore(&dev->slock,flags); | |
2136 | res_free(dev,fh,RESOURCE_OVERLAY); | |
2137 | } | |
2138 | return 0; | |
2139 | } | |
2140 | ||
2141 | /* --- capture ioctls ---------------------------------------- */ | |
2142 | case VIDIOC_G_FMT: | |
2143 | { | |
2144 | struct v4l2_format *f = arg; | |
2145 | return saa7134_g_fmt(dev,fh,f); | |
2146 | } | |
2147 | case VIDIOC_S_FMT: | |
2148 | { | |
2149 | struct v4l2_format *f = arg; | |
2150 | return saa7134_s_fmt(dev,fh,f); | |
2151 | } | |
2152 | case VIDIOC_TRY_FMT: | |
2153 | { | |
2154 | struct v4l2_format *f = arg; | |
2155 | return saa7134_try_fmt(dev,fh,f); | |
2156 | } | |
0dfa9abd | 2157 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
1da177e4 | 2158 | case VIDIOCGMBUF: |
c1accaa2 | 2159 | return videobuf_cgmbuf(saa7134_queue(fh), arg, gbuffers); |
79436633 | 2160 | #endif |
1da177e4 LT |
2161 | case VIDIOC_REQBUFS: |
2162 | return videobuf_reqbufs(saa7134_queue(fh),arg); | |
2163 | ||
2164 | case VIDIOC_QUERYBUF: | |
2165 | return videobuf_querybuf(saa7134_queue(fh),arg); | |
2166 | ||
2167 | case VIDIOC_QBUF: | |
2168 | return videobuf_qbuf(saa7134_queue(fh),arg); | |
2169 | ||
2170 | case VIDIOC_DQBUF: | |
2171 | return videobuf_dqbuf(saa7134_queue(fh),arg, | |
2172 | file->f_flags & O_NONBLOCK); | |
2173 | ||
2174 | case VIDIOC_STREAMON: | |
2175 | { | |
2176 | int res = saa7134_resource(fh); | |
2177 | ||
4ac97914 | 2178 | if (!res_get(dev,fh,res)) |
1da177e4 LT |
2179 | return -EBUSY; |
2180 | return videobuf_streamon(saa7134_queue(fh)); | |
2181 | } | |
2182 | case VIDIOC_STREAMOFF: | |
2183 | { | |
2184 | int res = saa7134_resource(fh); | |
2185 | ||
2186 | err = videobuf_streamoff(saa7134_queue(fh)); | |
2187 | if (err < 0) | |
2188 | return err; | |
2189 | res_free(dev,fh,res); | |
2190 | return 0; | |
2191 | } | |
2192 | ||
2193 | default: | |
2194 | return v4l_compat_translate_ioctl(inode,file,cmd,arg, | |
2195 | video_do_ioctl); | |
2196 | } | |
2197 | return 0; | |
2198 | } | |
2199 | ||
2200 | static int video_ioctl(struct inode *inode, struct file *file, | |
2201 | unsigned int cmd, unsigned long arg) | |
2202 | { | |
2203 | return video_usercopy(inode, file, cmd, arg, video_do_ioctl); | |
2204 | } | |
2205 | ||
2206 | static int radio_do_ioctl(struct inode *inode, struct file *file, | |
2207 | unsigned int cmd, void *arg) | |
2208 | { | |
2209 | struct saa7134_fh *fh = file->private_data; | |
2210 | struct saa7134_dev *dev = fh->dev; | |
2211 | ||
2212 | if (video_debug > 1) | |
5e453dc7 | 2213 | v4l_print_ioctl(dev->name,cmd); |
1da177e4 LT |
2214 | switch (cmd) { |
2215 | case VIDIOC_QUERYCAP: | |
2216 | { | |
2217 | struct v4l2_capability *cap = arg; | |
2218 | ||
2219 | memset(cap,0,sizeof(*cap)); | |
4ac97914 | 2220 | strcpy(cap->driver, "saa7134"); |
1da177e4 LT |
2221 | strlcpy(cap->card, saa7134_boards[dev->board].name, |
2222 | sizeof(cap->card)); | |
2223 | sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci)); | |
2224 | cap->version = SAA7134_VERSION_CODE; | |
2225 | cap->capabilities = V4L2_CAP_TUNER; | |
2226 | return 0; | |
2227 | } | |
2228 | case VIDIOC_G_TUNER: | |
2229 | { | |
2230 | struct v4l2_tuner *t = arg; | |
2231 | ||
2232 | if (0 != t->index) | |
2233 | return -EINVAL; | |
2234 | ||
2235 | memset(t,0,sizeof(*t)); | |
2236 | strcpy(t->name, "Radio"); | |
48c42596 | 2237 | t->type = V4L2_TUNER_RADIO; |
1da177e4 | 2238 | |
ac19ecc6 | 2239 | saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t); |
2e7cf3ea HH |
2240 | if (dev->input->amux == TV) { |
2241 | t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); | |
2242 | t->rxsubchans = (saa_readb(0x529) & 0x08) ? | |
2243 | V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; | |
2244 | } | |
ac19ecc6 MCC |
2245 | return 0; |
2246 | } | |
2247 | case VIDIOC_S_TUNER: | |
2248 | { | |
2249 | struct v4l2_tuner *t = arg; | |
2250 | ||
2251 | if (0 != t->index) | |
2252 | return -EINVAL; | |
2253 | ||
2254 | saa7134_i2c_call_clients(dev,VIDIOC_S_TUNER,t); | |
2255 | ||
1da177e4 LT |
2256 | return 0; |
2257 | } | |
2258 | case VIDIOC_ENUMINPUT: | |
2259 | { | |
2260 | struct v4l2_input *i = arg; | |
2261 | ||
2262 | if (i->index != 0) | |
2263 | return -EINVAL; | |
2264 | strcpy(i->name,"Radio"); | |
2265 | i->type = V4L2_INPUT_TYPE_TUNER; | |
2266 | return 0; | |
2267 | } | |
2268 | case VIDIOC_G_INPUT: | |
2269 | { | |
2270 | int *i = arg; | |
2271 | *i = 0; | |
2272 | return 0; | |
2273 | } | |
2274 | case VIDIOC_G_AUDIO: | |
2275 | { | |
2276 | struct v4l2_audio *a = arg; | |
2277 | ||
2278 | memset(a,0,sizeof(*a)); | |
2279 | strcpy(a->name,"Radio"); | |
2280 | return 0; | |
2281 | } | |
2282 | case VIDIOC_G_STD: | |
2283 | { | |
2284 | v4l2_std_id *id = arg; | |
2285 | *id = 0; | |
2286 | return 0; | |
2287 | } | |
2288 | case VIDIOC_S_AUDIO: | |
1da177e4 LT |
2289 | case VIDIOC_S_INPUT: |
2290 | case VIDIOC_S_STD: | |
2291 | return 0; | |
2292 | ||
2293 | case VIDIOC_QUERYCTRL: | |
2294 | { | |
2295 | const struct v4l2_queryctrl *ctrl; | |
2296 | struct v4l2_queryctrl *c = arg; | |
2297 | ||
2298 | if (c->id < V4L2_CID_BASE || | |
2299 | c->id >= V4L2_CID_LASTP1) | |
2300 | return -EINVAL; | |
2301 | if (c->id == V4L2_CID_AUDIO_MUTE) { | |
2302 | ctrl = ctrl_by_id(c->id); | |
2303 | *c = *ctrl; | |
2304 | } else | |
2305 | *c = no_ctrl; | |
2306 | return 0; | |
2307 | } | |
2308 | ||
2309 | case VIDIOC_G_CTRL: | |
2310 | case VIDIOC_S_CTRL: | |
2311 | case VIDIOC_G_FREQUENCY: | |
2312 | case VIDIOC_S_FREQUENCY: | |
2313 | return video_do_ioctl(inode,file,cmd,arg); | |
2314 | ||
2315 | default: | |
2316 | return v4l_compat_translate_ioctl(inode,file,cmd,arg, | |
2317 | radio_do_ioctl); | |
2318 | } | |
2319 | return 0; | |
2320 | } | |
2321 | ||
2322 | static int radio_ioctl(struct inode *inode, struct file *file, | |
2323 | unsigned int cmd, unsigned long arg) | |
2324 | { | |
2325 | return video_usercopy(inode, file, cmd, arg, radio_do_ioctl); | |
2326 | } | |
2327 | ||
fa027c2a | 2328 | static const struct file_operations video_fops = |
1da177e4 LT |
2329 | { |
2330 | .owner = THIS_MODULE, | |
2331 | .open = video_open, | |
2332 | .release = video_release, | |
2333 | .read = video_read, | |
2334 | .poll = video_poll, | |
2335 | .mmap = video_mmap, | |
2336 | .ioctl = video_ioctl, | |
0d0fbf81 | 2337 | .compat_ioctl = v4l_compat_ioctl32, |
1da177e4 LT |
2338 | .llseek = no_llseek, |
2339 | }; | |
2340 | ||
fa027c2a | 2341 | static const struct file_operations radio_fops = |
1da177e4 LT |
2342 | { |
2343 | .owner = THIS_MODULE, | |
2344 | .open = video_open, | |
2345 | .release = video_release, | |
2346 | .ioctl = radio_ioctl, | |
0d0fbf81 | 2347 | .compat_ioctl = v4l_compat_ioctl32, |
1da177e4 LT |
2348 | .llseek = no_llseek, |
2349 | }; | |
2350 | ||
2351 | /* ----------------------------------------------------------- */ | |
2352 | /* exported stuff */ | |
2353 | ||
2354 | struct video_device saa7134_video_template = | |
2355 | { | |
2356 | .name = "saa7134-video", | |
ecb73774 | 2357 | .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER| |
4ac97914 | 2358 | VID_TYPE_CLIPPING|VID_TYPE_SCALES, |
1da177e4 LT |
2359 | .fops = &video_fops, |
2360 | .minor = -1, | |
2361 | }; | |
2362 | ||
2363 | struct video_device saa7134_vbi_template = | |
2364 | { | |
2365 | .name = "saa7134-vbi", | |
2366 | .type = VID_TYPE_TUNER|VID_TYPE_TELETEXT, | |
1da177e4 LT |
2367 | .fops = &video_fops, |
2368 | .minor = -1, | |
2369 | }; | |
2370 | ||
2371 | struct video_device saa7134_radio_template = | |
2372 | { | |
2373 | .name = "saa7134-radio", | |
2374 | .type = VID_TYPE_TUNER, | |
1da177e4 LT |
2375 | .fops = &radio_fops, |
2376 | .minor = -1, | |
2377 | }; | |
2378 | ||
2379 | int saa7134_video_init1(struct saa7134_dev *dev) | |
2380 | { | |
2381 | /* sanitycheck insmod options */ | |
2382 | if (gbuffers < 2 || gbuffers > VIDEO_MAX_FRAME) | |
2383 | gbuffers = 2; | |
2384 | if (gbufsize < 0 || gbufsize > gbufsize_max) | |
2385 | gbufsize = gbufsize_max; | |
2386 | gbufsize = (gbufsize + PAGE_SIZE - 1) & PAGE_MASK; | |
2387 | ||
2388 | /* put some sensible defaults into the data structures ... */ | |
2389 | dev->ctl_bright = ctrl_by_id(V4L2_CID_BRIGHTNESS)->default_value; | |
2390 | dev->ctl_contrast = ctrl_by_id(V4L2_CID_CONTRAST)->default_value; | |
2391 | dev->ctl_hue = ctrl_by_id(V4L2_CID_HUE)->default_value; | |
2392 | dev->ctl_saturation = ctrl_by_id(V4L2_CID_SATURATION)->default_value; | |
2393 | dev->ctl_volume = ctrl_by_id(V4L2_CID_AUDIO_VOLUME)->default_value; | |
2394 | dev->ctl_mute = 1; // ctrl_by_id(V4L2_CID_AUDIO_MUTE)->default_value; | |
2395 | dev->ctl_invert = ctrl_by_id(V4L2_CID_PRIVATE_INVERT)->default_value; | |
2396 | dev->ctl_automute = ctrl_by_id(V4L2_CID_PRIVATE_AUTOMUTE)->default_value; | |
2397 | ||
2398 | if (dev->tda9887_conf && dev->ctl_automute) | |
2399 | dev->tda9887_conf |= TDA9887_AUTOMUTE; | |
2400 | dev->automute = 0; | |
2401 | ||
4ac97914 | 2402 | INIT_LIST_HEAD(&dev->video_q.queue); |
1da177e4 LT |
2403 | init_timer(&dev->video_q.timeout); |
2404 | dev->video_q.timeout.function = saa7134_buffer_timeout; | |
2405 | dev->video_q.timeout.data = (unsigned long)(&dev->video_q); | |
2406 | dev->video_q.dev = dev; | |
2407 | ||
cb71201f ML |
2408 | if (saa7134_boards[dev->board].video_out) |
2409 | saa7134_videoport_init(dev); | |
2410 | ||
2411 | return 0; | |
2412 | } | |
2413 | ||
2414 | int saa7134_videoport_init(struct saa7134_dev *dev) | |
2415 | { | |
2416 | /* enable video output */ | |
2417 | int vo = saa7134_boards[dev->board].video_out; | |
2418 | int video_reg; | |
2419 | unsigned int vid_port_opts = saa7134_boards[dev->board].vid_port_opts; | |
2420 | saa_writeb(SAA7134_VIDEO_PORT_CTRL0, video_out[vo][0]); | |
2421 | video_reg = video_out[vo][1]; | |
2422 | if (vid_port_opts & SET_T_CODE_POLARITY_NON_INVERTED) | |
2423 | video_reg &= ~VP_T_CODE_P_INVERTED; | |
2424 | saa_writeb(SAA7134_VIDEO_PORT_CTRL1, video_reg); | |
2425 | saa_writeb(SAA7134_VIDEO_PORT_CTRL2, video_out[vo][2]); | |
2426 | saa_writeb(SAA7134_VIDEO_PORT_CTRL3, video_out[vo][3]); | |
2427 | saa_writeb(SAA7134_VIDEO_PORT_CTRL4, video_out[vo][4]); | |
2428 | video_reg = video_out[vo][5]; | |
2429 | if (vid_port_opts & SET_CLOCK_NOT_DELAYED) | |
2430 | video_reg &= ~VP_CLK_CTRL2_DELAYED; | |
2431 | if (vid_port_opts & SET_CLOCK_INVERTED) | |
2432 | video_reg |= VP_CLK_CTRL1_INVERTED; | |
2433 | saa_writeb(SAA7134_VIDEO_PORT_CTRL5, video_reg); | |
2434 | video_reg = video_out[vo][6]; | |
2435 | if (vid_port_opts & SET_VSYNC_OFF) { | |
2436 | video_reg &= ~VP_VS_TYPE_MASK; | |
2437 | video_reg |= VP_VS_TYPE_OFF; | |
2438 | } | |
2439 | saa_writeb(SAA7134_VIDEO_PORT_CTRL6, video_reg); | |
2440 | saa_writeb(SAA7134_VIDEO_PORT_CTRL7, video_out[vo][7]); | |
2441 | saa_writeb(SAA7134_VIDEO_PORT_CTRL8, video_out[vo][8]); | |
1da177e4 LT |
2442 | |
2443 | return 0; | |
2444 | } | |
2445 | ||
2446 | int saa7134_video_init2(struct saa7134_dev *dev) | |
2447 | { | |
2448 | /* init video hw */ | |
2449 | set_tvnorm(dev,&tvnorms[0]); | |
2450 | video_mux(dev,0); | |
2451 | saa7134_tvaudio_setmute(dev); | |
2452 | saa7134_tvaudio_setvolume(dev,dev->ctl_volume); | |
2453 | return 0; | |
2454 | } | |
2455 | ||
11f7078c | 2456 | void saa7134_irq_video_signalchange(struct saa7134_dev *dev) |
1da177e4 LT |
2457 | { |
2458 | static const char *st[] = { | |
2459 | "(no signal)", "NTSC", "PAL", "SECAM" }; | |
2460 | u32 st1,st2; | |
2461 | ||
2462 | st1 = saa_readb(SAA7134_STATUS_VIDEO1); | |
2463 | st2 = saa_readb(SAA7134_STATUS_VIDEO2); | |
2464 | dprintk("DCSDT: pll: %s, sync: %s, norm: %s\n", | |
2465 | (st1 & 0x40) ? "not locked" : "locked", | |
2466 | (st2 & 0x40) ? "no" : "yes", | |
2467 | st[st1 & 0x03]); | |
11f7078c | 2468 | dev->nosignal = (st1 & 0x40) || (st2 & 0x40) || !(st2 & 0x1); |
1da177e4 LT |
2469 | |
2470 | if (dev->nosignal) { | |
2471 | /* no video signal -> mute audio */ | |
2472 | if (dev->ctl_automute) | |
2473 | dev->automute = 1; | |
2474 | saa7134_tvaudio_setmute(dev); | |
1da177e4 LT |
2475 | } else { |
2476 | /* wake up tvaudio audio carrier scan thread */ | |
2477 | saa7134_tvaudio_do_scan(dev); | |
1da177e4 | 2478 | } |
11f7078c ML |
2479 | |
2480 | if ((st2 & 0x80) && !noninterlaced && !dev->nosignal) | |
2481 | saa_clearb(SAA7134_SYNC_CTRL, 0x20); | |
2482 | else | |
2483 | saa_setb(SAA7134_SYNC_CTRL, 0x20); | |
2484 | ||
1da177e4 LT |
2485 | if (dev->mops && dev->mops->signal_change) |
2486 | dev->mops->signal_change(dev); | |
2487 | } | |
2488 | ||
11f7078c | 2489 | |
1da177e4 LT |
2490 | void saa7134_irq_video_done(struct saa7134_dev *dev, unsigned long status) |
2491 | { | |
2492 | enum v4l2_field field; | |
2493 | ||
2494 | spin_lock(&dev->slock); | |
2495 | if (dev->video_q.curr) { | |
2496 | dev->video_fieldcount++; | |
2497 | field = dev->video_q.curr->vb.field; | |
2498 | if (V4L2_FIELD_HAS_BOTH(field)) { | |
2499 | /* make sure we have seen both fields */ | |
2500 | if ((status & 0x10) == 0x00) { | |
2501 | dev->video_q.curr->top_seen = 1; | |
2502 | goto done; | |
2503 | } | |
2504 | if (!dev->video_q.curr->top_seen) | |
2505 | goto done; | |
2506 | } else if (field == V4L2_FIELD_TOP) { | |
2507 | if ((status & 0x10) != 0x10) | |
2508 | goto done; | |
2509 | } else if (field == V4L2_FIELD_BOTTOM) { | |
2510 | if ((status & 0x10) != 0x00) | |
2511 | goto done; | |
2512 | } | |
2513 | dev->video_q.curr->vb.field_count = dev->video_fieldcount; | |
2514 | saa7134_buffer_finish(dev,&dev->video_q,STATE_DONE); | |
2515 | } | |
2516 | saa7134_buffer_next(dev,&dev->video_q); | |
2517 | ||
2518 | done: | |
2519 | spin_unlock(&dev->slock); | |
2520 | } | |
2521 | ||
2522 | /* ----------------------------------------------------------- */ | |
2523 | /* | |
2524 | * Local variables: | |
2525 | * c-basic-offset: 8 | |
2526 | * End: | |
2527 | */ |