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V4L/DVB (5994): ivtv: make VIDIOC_INT_RESET support smarter.
[deliverable/linux.git] / drivers / media / video / ivtv / ivtv-ioctl.c
CommitLineData
1a0adaf3
HV		 1/*
2 ioctl system call
3 Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
4 Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include "ivtv-driver.h"
22#include "ivtv-version.h"
23#include "ivtv-mailbox.h"
24#include "ivtv-i2c.h"
25#include "ivtv-queue.h"
26#include "ivtv-fileops.h"
27#include "ivtv-vbi.h"
28#include "ivtv-audio.h"
29#include "ivtv-video.h"
30#include "ivtv-streams.h"
31#include "ivtv-yuv.h"
32#include "ivtv-ioctl.h"
33#include "ivtv-gpio.h"
34#include "ivtv-controls.h"
35#include "ivtv-cards.h"
36#include <media/saa7127.h>
37#include <media/tveeprom.h>
38#include <media/v4l2-chip-ident.h>
39#include <linux/dvb/audio.h>
40#include <linux/i2c-id.h>
41
42u16 service2vbi(int type)
43{
44 switch (type) {
45 case V4L2_SLICED_TELETEXT_B:
46 return IVTV_SLICED_TYPE_TELETEXT_B;
47 case V4L2_SLICED_CAPTION_525:
48 return IVTV_SLICED_TYPE_CAPTION_525;
49 case V4L2_SLICED_WSS_625:
50 return IVTV_SLICED_TYPE_WSS_625;
51 case V4L2_SLICED_VPS:
52 return IVTV_SLICED_TYPE_VPS;
53 default:
54 return 0;
55 }
56}
57
58static int valid_service_line(int field, int line, int is_pal)
59{
60 return (is_pal && line >= 6 && (line != 23 || field == 0)) ||
61 (!is_pal && line >= 10 && line < 22);
62}
63
64static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
65{
66 u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
67 int i;
68
69 set = set & valid_set;
70 if (set == 0 || !valid_service_line(field, line, is_pal)) {
71 return 0;
72 }
73 if (!is_pal) {
74 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
75 return V4L2_SLICED_CAPTION_525;
76 }
77 else {
78 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
79 return V4L2_SLICED_VPS;
80 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
81 return V4L2_SLICED_WSS_625;
82 if (line == 23)
83 return 0;
84 }
85 for (i = 0; i < 32; i++) {
86 if ((1 << i) & set)
87 return 1 << i;
88 }
89 return 0;
90}
91
92void expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
93{
94 u16 set = fmt->service_set;
95 int f, l;
96
97 fmt->service_set = 0;
98 for (f = 0; f < 2; f++) {
99 for (l = 0; l < 24; l++) {
100 fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
101 }
102 }
103}
104
105static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
106{
107 int f, l;
108 u16 set = 0;
109
110 for (f = 0; f < 2; f++) {
111 for (l = 0; l < 24; l++) {
112 fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
113 set |= fmt->service_lines[f][l];
114 }
115 }
116 return set != 0;
117}
118
119u16 get_service_set(struct v4l2_sliced_vbi_format *fmt)
120{
121 int f, l;
122 u16 set = 0;
123
124 for (f = 0; f < 2; f++) {
125 for (l = 0; l < 24; l++) {
126 set |= fmt->service_lines[f][l];
127 }
128 }
129 return set;
130}
131
132static const struct {
133 v4l2_std_id std;
134 char *name;
135} enum_stds[] = {
136 { V4L2_STD_PAL_BG | V4L2_STD_PAL_H, "PAL-BGH" },
137 { V4L2_STD_PAL_DK, "PAL-DK" },
138 { V4L2_STD_PAL_I, "PAL-I" },
139 { V4L2_STD_PAL_M, "PAL-M" },
140 { V4L2_STD_PAL_N, "PAL-N" },
141 { V4L2_STD_PAL_Nc, "PAL-Nc" },
142 { V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, "SECAM-BGH" },
143 { V4L2_STD_SECAM_DK, "SECAM-DK" },
144 { V4L2_STD_SECAM_L, "SECAM-L" },
145 { V4L2_STD_SECAM_LC, "SECAM-L'" },
146 { V4L2_STD_NTSC_M, "NTSC-M" },
147 { V4L2_STD_NTSC_M_JP, "NTSC-J" },
148 { V4L2_STD_NTSC_M_KR, "NTSC-K" },
149};
150
151static const struct v4l2_standard ivtv_std_60hz =
152{
153 .frameperiod = {.numerator = 1001, .denominator = 30000},
154 .framelines = 525,
155};
156
157static const struct v4l2_standard ivtv_std_50hz =
158{
159 .frameperiod = {.numerator = 1, .denominator = 25},
160 .framelines = 625,
161};
162
163void ivtv_set_osd_alpha(struct ivtv *itv)
164{
165 ivtv_vapi(itv, CX2341X_OSD_SET_GLOBAL_ALPHA, 3,
166 itv->osd_global_alpha_state, itv->osd_global_alpha, !itv->osd_local_alpha_state);
167 ivtv_vapi(itv, CX2341X_OSD_SET_CHROMA_KEY, 2, itv->osd_color_key_state, itv->osd_color_key);
168}
169
170int ivtv_set_speed(struct ivtv *itv, int speed)
171{
172 u32 data[CX2341X_MBOX_MAX_DATA];
173 struct ivtv_stream *s;
174 int single_step = (speed == 1 || speed == -1);
175 DEFINE_WAIT(wait);
176
177 if (speed == 0) speed = 1000;
178
179 /* No change? */
180 if (speed == itv->speed && !single_step)
181 return 0;
182
183 s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
184
185 if (single_step && (speed < 0) == (itv->speed < 0)) {
186 /* Single step video and no need to change direction */
187 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
188 itv->speed = speed;
189 return 0;
190 }
191 if (single_step)
192 /* Need to change direction */
193 speed = speed < 0 ? -1000 : 1000;
194
195 data[0] = (speed > 1000 || speed < -1000) ? 0x80000000 : 0;
196 data[0] |= (speed > 1000 || speed < -1500) ? 0x40000000 : 0;
197 data[1] = (speed < 0);
198 data[2] = speed < 0 ? 3 : 7;
199 data[3] = itv->params.video_b_frames;
200 data[4] = (speed == 1500 || speed == 500) ? itv->speed_mute_audio : 0;
201 data[5] = 0;
202 data[6] = 0;
203
204 if (speed == 1500 || speed == -1500) data[0] |= 1;
205 else if (speed == 2000 || speed == -2000) data[0] |= 2;
206 else if (speed > -1000 && speed < 0) data[0] |= (-1000 / speed);
207 else if (speed < 1000 && speed > 0) data[0] |= (1000 / speed);
208
209 /* If not decoding, just change speed setting */
210 if (atomic_read(&itv->decoding) > 0) {
211 int got_sig = 0;
212
213 /* Stop all DMA and decoding activity */
214 ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1, 0);
215
216 /* Wait for any DMA to finish */
217 prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
218 while (itv->i_flags & IVTV_F_I_DMA) {
219 got_sig = signal_pending(current);
220 if (got_sig)
221 break;
222 got_sig = 0;
223 schedule();
224 }
225 finish_wait(&itv->dma_waitq, &wait);
226 if (got_sig)
227 return -EINTR;
228
229 /* Change Speed safely */
230 ivtv_api(itv, CX2341X_DEC_SET_PLAYBACK_SPEED, 7, data);
231 IVTV_DEBUG_INFO("Setting Speed to 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
232 data[0], data[1], data[2], data[3], data[4], data[5], data[6]);
233 }
234 if (single_step) {
235 speed = (speed < 0) ? -1 : 1;
236 ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1, 0);
237 }
238 itv->speed = speed;
239 return 0;
240}
241
242static int ivtv_validate_speed(int cur_speed, int new_speed)
243{
244 int fact = new_speed < 0 ? -1 : 1;
245 int s;
246
247 if (new_speed < 0) new_speed = -new_speed;
248 if (cur_speed < 0) cur_speed = -cur_speed;
249
250 if (cur_speed <= new_speed) {
251 if (new_speed > 1500) return fact * 2000;
252 if (new_speed > 1000) return fact * 1500;
253 }
254 else {
255 if (new_speed >= 2000) return fact * 2000;
256 if (new_speed >= 1500) return fact * 1500;
257 if (new_speed >= 1000) return fact * 1000;
258 }
259 if (new_speed == 0) return 1000;
260 if (new_speed == 1 || new_speed == 1000) return fact * new_speed;
261
262 s = new_speed;
263 new_speed = 1000 / new_speed;
264 if (1000 / cur_speed == new_speed)
265 new_speed += (cur_speed < s) ? -1 : 1;
266 if (new_speed > 60) return 1000 / (fact * 60);
267 return 1000 / (fact * new_speed);
268}
269
270static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id,
271 struct video_command *vc, int try)
272{
273 struct ivtv_stream *s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
274
275 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
276 return -EINVAL;
277
278 switch (vc->cmd) {
279 case VIDEO_CMD_PLAY: {
25415cf3 280 vc->flags = 0;
1a0adaf3
HV		 281 vc->play.speed = ivtv_validate_speed(itv->speed, vc->play.speed);
282 if (vc->play.speed < 0)
283 vc->play.format = VIDEO_PLAY_FMT_GOP;
284 if (try) break;
285
286 if (ivtv_set_output_mode(itv, OUT_MPG) != OUT_MPG)
287 return -EBUSY;
ac425144
HV		 288 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
289 /* forces ivtv_set_speed to be called */
290 itv->speed = 0;
291 }
1a0adaf3
HV		 292 return ivtv_start_decoding(id, vc->play.speed);
293 }
294
295 case VIDEO_CMD_STOP:
018ba85b 296 vc->flags &= VIDEO_CMD_STOP_IMMEDIATELY|VIDEO_CMD_STOP_TO_BLACK;
1a0adaf3
HV		 297 if (vc->flags & VIDEO_CMD_STOP_IMMEDIATELY)
298 vc->stop.pts = 0;
299 if (try) break;
300 if (atomic_read(&itv->decoding) == 0)
301 return 0;
302 if (itv->output_mode != OUT_MPG)
303 return -EBUSY;
304
305 itv->output_mode = OUT_NONE;
306 return ivtv_stop_v4l2_decode_stream(s, vc->flags, vc->stop.pts);
307
308 case VIDEO_CMD_FREEZE:
018ba85b 309 vc->flags &= VIDEO_CMD_FREEZE_TO_BLACK;
1a0adaf3
HV		 310 if (try) break;
311 if (itv->output_mode != OUT_MPG)
312 return -EBUSY;
313 if (atomic_read(&itv->decoding) > 0) {
314 ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1,
315 (vc->flags & VIDEO_CMD_FREEZE_TO_BLACK) ? 1 : 0);
ac425144 316 set_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags);
1a0adaf3
HV		 317 }
318 break;
319
320 case VIDEO_CMD_CONTINUE:
25415cf3 321 vc->flags = 0;
1a0adaf3
HV		 322 if (try) break;
323 if (itv->output_mode != OUT_MPG)
324 return -EBUSY;
ac425144
HV		 325 if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
326 int speed = itv->speed;
327 itv->speed = 0;
328 return ivtv_start_decoding(id, speed);
1a0adaf3
HV		 329 }
330 break;
331
332 default:
333 return -EINVAL;
334 }
335 return 0;
336}
337
338static int ivtv_itvc(struct ivtv *itv, unsigned int cmd, void *arg)
339{
340 struct v4l2_register *regs = arg;
341 unsigned long flags;
342 volatile u8 __iomem *reg_start;
343
344 if (!capable(CAP_SYS_ADMIN))
345 return -EPERM;
346 if (regs->reg >= IVTV_REG_OFFSET && regs->reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
347 reg_start = itv->reg_mem - IVTV_REG_OFFSET;
348 else if (itv->has_cx23415 && regs->reg >= IVTV_DECODER_OFFSET &&
349 regs->reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE)
350 reg_start = itv->dec_mem - IVTV_DECODER_OFFSET;
351 else if (regs->reg >= 0 && regs->reg < IVTV_ENCODER_SIZE)
352 reg_start = itv->enc_mem;
353 else
354 return -EINVAL;
355
356 spin_lock_irqsave(&ivtv_cards_lock, flags);
357 if (cmd == VIDIOC_DBG_G_REGISTER) {
358 regs->val = readl(regs->reg + reg_start);
359 } else {
360 writel(regs->val, regs->reg + reg_start);
361 }
362 spin_unlock_irqrestore(&ivtv_cards_lock, flags);
363 return 0;
364}
365
366static int ivtv_get_fmt(struct ivtv *itv, int streamtype, struct v4l2_format *fmt)
367{
368 switch (fmt->type) {
369 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
370 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
371 return -EINVAL;
1a0adaf3
HV		 372 fmt->fmt.pix.width = itv->main_rect.width;
373 fmt->fmt.pix.height = itv->main_rect.height;
374 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
375 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
376 if (itv->output_mode == OUT_UDMA_YUV) {
377 switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) {
378 case IVTV_YUV_MODE_INTERLACED:
379 fmt->fmt.pix.field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) ?
380 V4L2_FIELD_INTERLACED_BT : V4L2_FIELD_INTERLACED_TB;
381 break;
382 case IVTV_YUV_MODE_PROGRESSIVE:
383 fmt->fmt.pix.field = V4L2_FIELD_NONE;
384 break;
385 default:
386 fmt->fmt.pix.field = V4L2_FIELD_ANY;
387 break;
388 }
389 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
390 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
391 fmt->fmt.pix.sizeimage =
392 fmt->fmt.pix.height * fmt->fmt.pix.width +
393 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
394 }
395 else if (itv->output_mode == OUT_YUV ||
396 streamtype == IVTV_ENC_STREAM_TYPE_YUV ||
397 streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
398 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
399 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
400 fmt->fmt.pix.sizeimage =
401 fmt->fmt.pix.height * fmt->fmt.pix.width +
402 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
403 } else {
404 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
405 fmt->fmt.pix.sizeimage = 128 * 1024;
406 }
407 break;
408
409 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
1a0adaf3
HV		 410 fmt->fmt.pix.width = itv->params.width;
411 fmt->fmt.pix.height = itv->params.height;
412 fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
413 fmt->fmt.pix.field = V4L2_FIELD_INTERLACED;
414 if (streamtype == IVTV_ENC_STREAM_TYPE_YUV ||
415 streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
416 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12;
417 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
418 fmt->fmt.pix.sizeimage =
419 fmt->fmt.pix.height * fmt->fmt.pix.width +
420 fmt->fmt.pix.height * (fmt->fmt.pix.width / 2);
421 } else {
422 fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
423 fmt->fmt.pix.sizeimage = 128 * 1024;
424 }
425 break;
426
427 case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
428 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
429 return -EINVAL;
430 fmt->fmt.win.chromakey = itv->osd_color_key;
431 fmt->fmt.win.global_alpha = itv->osd_global_alpha;
432 break;
433
434 case V4L2_BUF_TYPE_VBI_CAPTURE:
435 fmt->fmt.vbi.sampling_rate = 27000000;
436 fmt->fmt.vbi.offset = 248;
437 fmt->fmt.vbi.samples_per_line = itv->vbi.raw_decoder_line_size - 4;
438 fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
439 fmt->fmt.vbi.start[0] = itv->vbi.start[0];
440 fmt->fmt.vbi.start[1] = itv->vbi.start[1];
441 fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = itv->vbi.count;
442 break;
443
444 case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
445 {
446 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
447
448 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
449 return -EINVAL;
450 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
451 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
452 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
453 if (itv->is_60hz) {
454 vbifmt->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
455 vbifmt->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
456 } else {
457 vbifmt->service_lines[0][23] = V4L2_SLICED_WSS_625;
458 vbifmt->service_lines[0][16] = V4L2_SLICED_VPS;
459 }
460 vbifmt->service_set = get_service_set(vbifmt);
461 break;
462 }
463
464 case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
465 {
466 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
467
468 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
469 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
470 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
471
472 if (streamtype == IVTV_DEC_STREAM_TYPE_VBI) {
473 vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 :
474 V4L2_SLICED_VBI_525;
475 expand_service_set(vbifmt, itv->is_50hz);
476 break;
477 }
478
479 itv->video_dec_func(itv, VIDIOC_G_FMT, fmt);
480 vbifmt->service_set = get_service_set(vbifmt);
481 break;
482 }
483 case V4L2_BUF_TYPE_VBI_OUTPUT:
484 case V4L2_BUF_TYPE_VIDEO_OVERLAY:
485 default:
486 return -EINVAL;
487 }
488 return 0;
489}
490
491static int ivtv_try_or_set_fmt(struct ivtv *itv, int streamtype,
492 struct v4l2_format *fmt, int set_fmt)
493{
494 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
495 u16 set;
496
497 if (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
498 struct v4l2_rect r;
499 int field;
500
501 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
502 return -EINVAL;
503 field = fmt->fmt.pix.field;
c74e83a8
HV		 504 r.top = 0;
505 r.left = 0;
1a0adaf3
HV		 506 r.width = fmt->fmt.pix.width;
507 r.height = fmt->fmt.pix.height;
508 ivtv_get_fmt(itv, streamtype, fmt);
509 if (itv->output_mode != OUT_UDMA_YUV) {
510 /* TODO: would setting the rect also be valid for this mode? */
1a0adaf3
HV		 511 fmt->fmt.pix.width = r.width;
512 fmt->fmt.pix.height = r.height;
513 }
514 if (itv->output_mode == OUT_UDMA_YUV) {
515 /* TODO: add checks for validity */
516 fmt->fmt.pix.field = field;
517 }
518 if (set_fmt) {
519 if (itv->output_mode == OUT_UDMA_YUV) {
520 switch (field) {
521 case V4L2_FIELD_NONE:
522 itv->yuv_info.lace_mode = IVTV_YUV_MODE_PROGRESSIVE;
523 break;
524 case V4L2_FIELD_ANY:
525 itv->yuv_info.lace_mode = IVTV_YUV_MODE_AUTO;
526 break;
527 case V4L2_FIELD_INTERLACED_BT:
528 itv->yuv_info.lace_mode =
529 IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD;
530 break;
531 case V4L2_FIELD_INTERLACED_TB:
532 default:
533 itv->yuv_info.lace_mode = IVTV_YUV_MODE_INTERLACED;
534 break;
535 }
536 itv->yuv_info.lace_sync_field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1;
537
538 /* Force update of yuv registers */
539 itv->yuv_info.yuv_forced_update = 1;
540 return 0;
541 }
1a0adaf3
HV		 542 }
543 return 0;
544 }
545
546 if (fmt->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY) {
547 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
548 return -EINVAL;
549 if (set_fmt) {
550 itv->osd_color_key = fmt->fmt.win.chromakey;
551 itv->osd_global_alpha = fmt->fmt.win.global_alpha;
552 ivtv_set_osd_alpha(itv);
553 }
554 return 0;
555 }
556
557 /* set window size */
558 if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
559 int w = fmt->fmt.pix.width;
560 int h = fmt->fmt.pix.height;
561
562 if (w > 720) w = 720;
563 else if (w < 1) w = 1;
564 if (h > (itv->is_50hz ? 576 : 480)) h = (itv->is_50hz ? 576 : 480);
565 else if (h < 2) h = 2;
566 ivtv_get_fmt(itv, streamtype, fmt);
567 fmt->fmt.pix.width = w;
568 fmt->fmt.pix.height = h;
569
570 if (!set_fmt || (itv->params.width == w && itv->params.height == h))
571 return 0;
572 if (atomic_read(&itv->capturing) > 0)
573 return -EBUSY;
574
575 itv->params.width = w;
576 itv->params.height = h;
577 if (w != 720 || h != (itv->is_50hz ? 576 : 480))
578 itv->params.video_temporal_filter = 0;
579 else
580 itv->params.video_temporal_filter = 8;
581 itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
582 return ivtv_get_fmt(itv, streamtype, fmt);
583 }
584
585 /* set raw VBI format */
586 if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
587 if (set_fmt && streamtype == IVTV_ENC_STREAM_TYPE_VBI &&
588 itv->vbi.sliced_in->service_set &&
589 atomic_read(&itv->capturing) > 0) {
590 return -EBUSY;
591 }
592 if (set_fmt) {
593 itv->vbi.sliced_in->service_set = 0;
594 itv->video_dec_func(itv, VIDIOC_S_FMT, &itv->vbi.in);
595 }
596 return ivtv_get_fmt(itv, streamtype, fmt);
597 }
598
599 /* set sliced VBI output
600 In principle the user could request that only certain
601 VBI types are output and that the others are ignored.
602 I.e., suppress CC in the even fields or only output
603 WSS and no VPS. Currently though there is no choice. */
604 if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
605 return ivtv_get_fmt(itv, streamtype, fmt);
606
607 /* any else but sliced VBI capture is an error */
608 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
609 return -EINVAL;
610
611 if (streamtype == IVTV_DEC_STREAM_TYPE_VBI)
612 return ivtv_get_fmt(itv, streamtype, fmt);
613
614 /* set sliced VBI capture format */
615 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
616 memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved));
617
618 if (vbifmt->service_set)
619 expand_service_set(vbifmt, itv->is_50hz);
620 set = check_service_set(vbifmt, itv->is_50hz);
621 vbifmt->service_set = get_service_set(vbifmt);
622
623 if (!set_fmt)
624 return 0;
625 if (set == 0)
626 return -EINVAL;
627 if (atomic_read(&itv->capturing) > 0 && itv->vbi.sliced_in->service_set == 0) {
628 return -EBUSY;
629 }
630 itv->video_dec_func(itv, VIDIOC_S_FMT, fmt);
631 memcpy(itv->vbi.sliced_in, vbifmt, sizeof(*itv->vbi.sliced_in));
632 return 0;
633}
634
d4e7ee36 635static int ivtv_debug_ioctls(struct file *filp, unsigned int cmd, void *arg)
1a0adaf3
HV		 636{
637 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
638 struct ivtv *itv = id->itv;
639 struct v4l2_register *reg = arg;
640
641 switch (cmd) {
642 /* ioctls to allow direct access to the encoder registers for testing */
643 case VIDIOC_DBG_G_REGISTER:
1a0adaf3
HV		 644 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
645 return ivtv_itvc(itv, cmd, arg);
646 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
647 return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
648 return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
649
650 case VIDIOC_DBG_S_REGISTER:
1a0adaf3
HV		 651 if (v4l2_chip_match_host(reg->match_type, reg->match_chip))
652 return ivtv_itvc(itv, cmd, arg);
653 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
654 return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
655 return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
656
657 case VIDIOC_G_CHIP_IDENT: {
658 struct v4l2_chip_ident *chip = arg;
659
1a0adaf3
HV		 660 chip->ident = V4L2_IDENT_NONE;
661 chip->revision = 0;
662 if (reg->match_type == V4L2_CHIP_MATCH_HOST) {
663 if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) {
664 struct v4l2_chip_ident *chip = arg;
665
666 chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
667 }
668 return 0;
669 }
670 if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER)
671 return ivtv_i2c_id(itv, reg->match_chip, cmd, arg);
672 if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR)
673 return ivtv_call_i2c_client(itv, reg->match_chip, cmd, arg);
674 return -EINVAL;
675 }
676
677 case VIDIOC_INT_S_AUDIO_ROUTING: {
678 struct v4l2_routing *route = arg;
679
1a0adaf3
HV		 680 ivtv_audio_set_route(itv, route);
681 break;
682 }
683
2cc72095
HV		 684 case VIDIOC_INT_RESET: {
685 u32 val = *(u32 *)arg;
686
687 if ((val == 0 && itv->options.newi2c) || (val & 0x01)) {
688 ivtv_reset_ir_gpio(itv);
689 }
690 if (val & 0x02) {
691 itv->video_dec_func(itv, cmd, 0);
692 }
1a0adaf3 693 break;
2cc72095 694 }
1a0adaf3
HV		 695
696 default:
697 return -EINVAL;
698 }
699 return 0;
700}
701
702int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void *arg)
703{
704 struct ivtv_open_id *id = NULL;
705
706 if (filp) id = (struct ivtv_open_id *)filp->private_data;
707
708 switch (cmd) {
d46c17d7
HV		 709 case VIDIOC_G_PRIORITY:
710 {
711 enum v4l2_priority *p = arg;
712
713 *p = v4l2_prio_max(&itv->prio);
714 break;
715 }
716
717 case VIDIOC_S_PRIORITY:
718 {
719 enum v4l2_priority *prio = arg;
720
721 return v4l2_prio_change(&itv->prio, &id->prio, *prio);
722 }
723
1a0adaf3
HV		 724 case VIDIOC_QUERYCAP:{
725 struct v4l2_capability *vcap = arg;
726
1a0adaf3
HV		 727 memset(vcap, 0, sizeof(*vcap));
728 strcpy(vcap->driver, IVTV_DRIVER_NAME); /* driver name */
729 strcpy(vcap->card, itv->card_name); /* card type */
730 strcpy(vcap->bus_info, pci_name(itv->dev)); /* bus info... */
731 vcap->version = IVTV_DRIVER_VERSION; /* version */
732 vcap->capabilities = itv->v4l2_cap; /* capabilities */
733
734 /* reserved.. must set to 0! */
735 vcap->reserved[0] = vcap->reserved[1] =
736 vcap->reserved[2] = vcap->reserved[3] = 0;
737 break;
738 }
739
740 case VIDIOC_ENUMAUDIO:{
741 struct v4l2_audio *vin = arg;
742
1a0adaf3
HV		 743 return ivtv_get_audio_input(itv, vin->index, vin);
744 }
745
746 case VIDIOC_G_AUDIO:{
747 struct v4l2_audio *vin = arg;
748
1a0adaf3
HV		 749 vin->index = itv->audio_input;
750 return ivtv_get_audio_input(itv, vin->index, vin);
751 }
752
753 case VIDIOC_S_AUDIO:{
754 struct v4l2_audio *vout = arg;
755
1a0adaf3
HV		 756 if (vout->index >= itv->nof_audio_inputs)
757 return -EINVAL;
758 itv->audio_input = vout->index;
759 ivtv_audio_set_io(itv);
760 break;
761 }
762
763 case VIDIOC_ENUMAUDOUT:{
764 struct v4l2_audioout *vin = arg;
765
1a0adaf3
HV		 766 /* set it to defaults from our table */
767 return ivtv_get_audio_output(itv, vin->index, vin);
768 }
769
770 case VIDIOC_G_AUDOUT:{
771 struct v4l2_audioout *vin = arg;
772
1a0adaf3
HV		 773 vin->index = 0;
774 return ivtv_get_audio_output(itv, vin->index, vin);
775 }
776
777 case VIDIOC_S_AUDOUT:{
778 struct v4l2_audioout *vout = arg;
779
1a0adaf3
HV		 780 return ivtv_get_audio_output(itv, vout->index, vout);
781 }
782
783 case VIDIOC_ENUMINPUT:{
784 struct v4l2_input *vin = arg;
785
1a0adaf3
HV		 786 /* set it to defaults from our table */
787 return ivtv_get_input(itv, vin->index, vin);
788 }
789
790 case VIDIOC_ENUMOUTPUT:{
791 struct v4l2_output *vout = arg;
792
1a0adaf3
HV		 793 return ivtv_get_output(itv, vout->index, vout);
794 }
795
796 case VIDIOC_TRY_FMT:
797 case VIDIOC_S_FMT: {
798 struct v4l2_format *fmt = arg;
799
1a0adaf3
HV		 800 return ivtv_try_or_set_fmt(itv, id->type, fmt, cmd == VIDIOC_S_FMT);
801 }
802
803 case VIDIOC_G_FMT: {
804 struct v4l2_format *fmt = arg;
805 int type = fmt->type;
806
1a0adaf3
HV		 807 memset(fmt, 0, sizeof(*fmt));
808 fmt->type = type;
809 return ivtv_get_fmt(itv, id->type, fmt);
810 }
811
987e00ba
HV		 812 case VIDIOC_CROPCAP: {
813 struct v4l2_cropcap *cropcap = arg;
814
815 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE &&
816 cropcap->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
817 return -EINVAL;
818 cropcap->bounds.top = cropcap->bounds.left = 0;
819 cropcap->bounds.width = 720;
820 if (cropcap->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
821 cropcap->bounds.height = itv->is_50hz ? 576 : 480;
822 cropcap->pixelaspect.numerator = itv->is_50hz ? 59 : 10;
823 cropcap->pixelaspect.denominator = itv->is_50hz ? 54 : 11;
824 } else {
825 cropcap->bounds.height = itv->is_out_50hz ? 576 : 480;
826 cropcap->pixelaspect.numerator = itv->is_out_50hz ? 59 : 10;
827 cropcap->pixelaspect.denominator = itv->is_out_50hz ? 54 : 11;
828 }
829 cropcap->defrect = cropcap->bounds;
830 return 0;
831 }
832
1a0adaf3
HV		 833 case VIDIOC_S_CROP: {
834 struct v4l2_crop *crop = arg;
835
987e00ba
HV		 836 if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
837 (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
838 if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
839 crop->c.width, crop->c.height, crop->c.left, crop->c.top)) {
840 itv->main_rect = crop->c;
841 return 0;
842 }
843 return -EINVAL;
844 }
1a0adaf3
HV		 845 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
846 return -EINVAL;
847 return itv->video_dec_func(itv, VIDIOC_S_CROP, arg);
848 }
849
850 case VIDIOC_G_CROP: {
851 struct v4l2_crop *crop = arg;
852
987e00ba
HV		 853 if (crop->type == V4L2_BUF_TYPE_VIDEO_OUTPUT &&
854 (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)) {
855 crop->c = itv->main_rect;
856 return 0;
857 }
1a0adaf3
HV		 858 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
859 return -EINVAL;
860 return itv->video_dec_func(itv, VIDIOC_G_CROP, arg);
861 }
862
863 case VIDIOC_ENUM_FMT: {
864 static struct v4l2_fmtdesc formats[] = {
865 { 0, 0, 0,
866 "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12,
867 { 0, 0, 0, 0 }
868 },
869 { 1, 0, V4L2_FMT_FLAG_COMPRESSED,
870 "MPEG", V4L2_PIX_FMT_MPEG,
871 { 0, 0, 0, 0 }
872 }
873 };
874 struct v4l2_fmtdesc *fmt = arg;
875 enum v4l2_buf_type type = fmt->type;
876
877 switch (type) {
878 case V4L2_BUF_TYPE_VIDEO_CAPTURE:
879 break;
880 case V4L2_BUF_TYPE_VIDEO_OUTPUT:
881 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
882 return -EINVAL;
883 break;
884 default:
885 return -EINVAL;
886 }
887 if (fmt->index > 1)
888 return -EINVAL;
889 *fmt = formats[fmt->index];
890 fmt->type = type;
891 return 0;
892 }
893
894 case VIDIOC_G_INPUT:{
1a0adaf3
HV		 895 *(int *)arg = itv->active_input;
896 break;
897 }
898
899 case VIDIOC_S_INPUT:{
900 int inp = *(int *)arg;
901
1a0adaf3
HV		 902 if (inp < 0 || inp >= itv->nof_inputs)
903 return -EINVAL;
904
905 if (inp == itv->active_input) {
906 IVTV_DEBUG_INFO("Input unchanged\n");
907 break;
908 }
909 IVTV_DEBUG_INFO("Changing input from %d to %d\n",
910 itv->active_input, inp);
911
912 itv->active_input = inp;
913 /* Set the audio input to whatever is appropriate for the
914 input type. */
915 itv->audio_input = itv->card->video_inputs[inp].audio_index;
916
917 /* prevent others from messing with the streams until
918 we're finished changing inputs. */
919 ivtv_mute(itv);
920 ivtv_video_set_io(itv);
921 ivtv_audio_set_io(itv);
922 ivtv_unmute(itv);
923 break;
924 }
925
926 case VIDIOC_G_OUTPUT:{
1a0adaf3
HV		 927 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
928 return -EINVAL;
929 *(int *)arg = itv->active_output;
930 break;
931 }
932
933 case VIDIOC_S_OUTPUT:{
934 int outp = *(int *)arg;
935 struct v4l2_routing route;
936
1a0adaf3
HV		 937 if (outp >= itv->card->nof_outputs)
938 return -EINVAL;
939
940 if (outp == itv->active_output) {
941 IVTV_DEBUG_INFO("Output unchanged\n");
942 break;
943 }
944 IVTV_DEBUG_INFO("Changing output from %d to %d\n",
945 itv->active_output, outp);
946
947 itv->active_output = outp;
948 route.input = SAA7127_INPUT_TYPE_NORMAL;
949 route.output = itv->card->video_outputs[outp].video_output;
950 ivtv_saa7127(itv, VIDIOC_INT_S_VIDEO_ROUTING, &route);
951 break;
952 }
953
954 case VIDIOC_G_FREQUENCY:{
955 struct v4l2_frequency *vf = arg;
956
1a0adaf3
HV		 957 if (vf->tuner != 0)
958 return -EINVAL;
959 ivtv_call_i2c_clients(itv, cmd, arg);
960 break;
961 }
962
963 case VIDIOC_S_FREQUENCY:{
964 struct v4l2_frequency vf = *(struct v4l2_frequency *)arg;
965
1a0adaf3
HV		 966 if (vf.tuner != 0)
967 return -EINVAL;
968
969 ivtv_mute(itv);
970 IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf.frequency);
971 ivtv_call_i2c_clients(itv, cmd, &vf);
972 ivtv_unmute(itv);
973 break;
974 }
975
976 case VIDIOC_ENUMSTD:{
977 struct v4l2_standard *vs = arg;
978 int idx = vs->index;
979
1a0adaf3
HV		 980 if (idx < 0 || idx >= ARRAY_SIZE(enum_stds))
981 return -EINVAL;
982
983 *vs = (enum_stds[idx].std & V4L2_STD_525_60) ?
984 ivtv_std_60hz : ivtv_std_50hz;
985 vs->index = idx;
986 vs->id = enum_stds[idx].std;
987 strcpy(vs->name, enum_stds[idx].name);
988 break;
989 }
990
991 case VIDIOC_G_STD:{
1a0adaf3
HV		 992 *(v4l2_std_id *) arg = itv->std;
993 break;
994 }
995
996 case VIDIOC_S_STD: {
997 v4l2_std_id std = *(v4l2_std_id *) arg;
998
1a0adaf3
HV		 999 if ((std & V4L2_STD_ALL) == 0)
1000 return -EINVAL;
1001
1002 if (std == itv->std)
1003 break;
1004
1005 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
1006 atomic_read(&itv->capturing) > 0 ||
1007 atomic_read(&itv->decoding) > 0) {
1008 /* Switching standard would turn off the radio or mess
1009 with already running streams, prevent that by
1010 returning EBUSY. */
1011 return -EBUSY;
1012 }
1013
1014 itv->std = std;
1015 itv->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0;
1016 itv->params.is_50hz = itv->is_50hz = !itv->is_60hz;
1017 itv->params.width = 720;
1018 itv->params.height = itv->is_50hz ? 576 : 480;
1019 itv->vbi.count = itv->is_50hz ? 18 : 12;
1020 itv->vbi.start[0] = itv->is_50hz ? 6 : 10;
1021 itv->vbi.start[1] = itv->is_50hz ? 318 : 273;
1022 if (itv->hw_flags & IVTV_HW_CX25840) {
1023 itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
1024 }
c4385098 1025 IVTV_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)itv->std);
1a0adaf3
HV		 1026
1027 /* Tuner */
1028 ivtv_call_i2c_clients(itv, VIDIOC_S_STD, &itv->std);
1029
1030 if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT) {
1031 /* set display standard */
1032 itv->std_out = std;
1033 itv->is_out_60hz = itv->is_60hz;
1034 itv->is_out_50hz = itv->is_50hz;
1035 ivtv_call_i2c_clients(itv, VIDIOC_INT_S_STD_OUTPUT, &itv->std_out);
1036 ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1, itv->is_out_50hz);
1037 itv->main_rect.left = itv->main_rect.top = 0;
1038 itv->main_rect.width = 720;
1039 itv->main_rect.height = itv->params.height;
1040 ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4,
1041 720, itv->main_rect.height, 0, 0);
1042 }
1043 break;
1044 }
1045
1046 case VIDIOC_S_TUNER: { /* Setting tuner can only set audio mode */
1047 struct v4l2_tuner *vt = arg;
1048
1a0adaf3
HV		 1049 if (vt->index != 0)
1050 return -EINVAL;
1051
1052 ivtv_call_i2c_clients(itv, VIDIOC_S_TUNER, vt);
1053 break;
1054 }
1055
1056 case VIDIOC_G_TUNER: {
1057 struct v4l2_tuner *vt = arg;
1058
1a0adaf3
HV		 1059 if (vt->index != 0)
1060 return -EINVAL;
1061
1062 memset(vt, 0, sizeof(*vt));
1063 ivtv_call_i2c_clients(itv, VIDIOC_G_TUNER, vt);
1064
1065 if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags)) {
1066 strcpy(vt->name, "ivtv Radio Tuner");
1067 vt->type = V4L2_TUNER_RADIO;
1068 } else {
1069 strcpy(vt->name, "ivtv TV Tuner");
1070 vt->type = V4L2_TUNER_ANALOG_TV;
1071 }
1072 break;
1073 }
1074
1075 case VIDIOC_G_SLICED_VBI_CAP: {
1076 struct v4l2_sliced_vbi_cap *cap = arg;
1077 int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
1078 int f, l;
1079 enum v4l2_buf_type type = cap->type;
1080
1a0adaf3
HV		 1081 memset(cap, 0, sizeof(*cap));
1082 cap->type = type;
1083 if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
1084 for (f = 0; f < 2; f++) {
1085 for (l = 0; l < 24; l++) {
1086 if (valid_service_line(f, l, itv->is_50hz)) {
1087 cap->service_lines[f][l] = set;
1088 }
1089 }
1090 }
1091 return 0;
1092 }
1093 if (type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
1094 if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
1095 return -EINVAL;
1096 if (itv->is_60hz) {
1097 cap->service_lines[0][21] = V4L2_SLICED_CAPTION_525;
1098 cap->service_lines[1][21] = V4L2_SLICED_CAPTION_525;
1099 } else {
1100 cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
1101 cap->service_lines[0][16] = V4L2_SLICED_VPS;
1102 }
1103 return 0;
1104 }
1105 return -EINVAL;
1106 }
1107
d4e7ee36
HV		 1108 case VIDIOC_G_ENC_INDEX: {
1109 struct v4l2_enc_idx *idx = arg;
5614b021
HV		 1110 struct v4l2_enc_idx_entry *e = idx->entry;
1111 int entries;
d4e7ee36
HV		 1112 int i;
1113
5614b021 1114 entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
d4e7ee36 1115 IVTV_MAX_PGM_INDEX;
5614b021
HV		 1116 if (entries > V4L2_ENC_IDX_ENTRIES)
1117 entries = V4L2_ENC_IDX_ENTRIES;
1118 idx->entries = 0;
1119 for (i = 0; i < entries; i++) {
1120 *e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
1121 if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) {
1122 idx->entries++;
1123 e++;
1124 }
d4e7ee36
HV		 1125 }
1126 itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
1127 break;
1128 }
1129
1130 case VIDIOC_ENCODER_CMD:
1131 case VIDIOC_TRY_ENCODER_CMD: {
1132 struct v4l2_encoder_cmd *enc = arg;
1133 int try = cmd == VIDIOC_TRY_ENCODER_CMD;
1134
25415cf3 1135 memset(&enc->raw, 0, sizeof(enc->raw));
d4e7ee36
HV		 1136 switch (enc->cmd) {
1137 case V4L2_ENC_CMD_START:
25415cf3
HV		 1138 enc->flags = 0;
1139 if (try)
1140 return 0;
d4e7ee36
HV		 1141 return ivtv_start_capture(id);
1142
1143 case V4L2_ENC_CMD_STOP:
018ba85b 1144 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
25415cf3
HV		 1145 if (try)
1146 return 0;
d4e7ee36
HV		 1147 ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
1148 return 0;
1149
1150 case V4L2_ENC_CMD_PAUSE:
25415cf3
HV		 1151 enc->flags = 0;
1152 if (try)
1153 return 0;
d4e7ee36
HV		 1154 if (!atomic_read(&itv->capturing))
1155 return -EPERM;
1156 if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1157 return 0;
1158 ivtv_mute(itv);
1159 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 0);
1160 break;
1161
1162 case V4L2_ENC_CMD_RESUME:
25415cf3
HV		 1163 enc->flags = 0;
1164 if (try)
1165 return 0;
d4e7ee36
HV		 1166 if (!atomic_read(&itv->capturing))
1167 return -EPERM;
1168 if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
1169 return 0;
1170 ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1, 1);
1171 ivtv_unmute(itv);
1172 break;
25415cf3
HV		 1173 default:
1174 return -EINVAL;
d4e7ee36
HV		 1175 }
1176 break;
1177 }
1178
1179 case VIDIOC_G_FBUF: {
1180 struct v4l2_framebuffer *fb = arg;
1181
1182 memset(fb, 0, sizeof(*fb));
1183 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
f5948bba 1184 return -EINVAL;
d4e7ee36
HV		 1185 fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
1186 V4L2_FBUF_CAP_LOCAL_ALPHA | V4L2_FBUF_CAP_GLOBAL_ALPHA;
1187 fb->fmt.pixelformat = itv->osd_pixelformat;
1188 fb->fmt.width = itv->osd_rect.width;
1189 fb->fmt.height = itv->osd_rect.height;
d4e7ee36
HV		 1190 fb->base = (void *)itv->osd_video_pbase;
1191 if (itv->osd_global_alpha_state)
1192 fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
1193 if (itv->osd_local_alpha_state)
1194 fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
1195 if (itv->osd_color_key_state)
1196 fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
1197 break;
1198 }
1199
1200 case VIDIOC_S_FBUF: {
1201 struct v4l2_framebuffer *fb = arg;
1202
1203 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
f5948bba 1204 return -EINVAL;
d4e7ee36
HV		 1205 itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0;
1206 itv->osd_local_alpha_state = (fb->flags & V4L2_FBUF_FLAG_LOCAL_ALPHA) != 0;
1207 itv->osd_color_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0;
c3624f99 1208 ivtv_set_osd_alpha(itv);
d4e7ee36
HV		 1209 break;
1210 }
1211
1a0adaf3
HV		 1212 case VIDIOC_LOG_STATUS:
1213 {
1214 int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
1215 struct v4l2_input vidin;
1216 struct v4l2_audio audin;
1217 int i;
1218
1219 IVTV_INFO("================= START STATUS CARD #%d =================\n", itv->num);
94104aa2 1220 IVTV_INFO("Version: %s Card: %s\n", IVTV_VERSION, itv->card_name);
1a0adaf3
HV		 1221 if (itv->hw_flags & IVTV_HW_TVEEPROM) {
1222 struct tveeprom tv;
1223
1224 ivtv_read_eeprom(itv, &tv);
1225 }
1226 ivtv_call_i2c_clients(itv, VIDIOC_LOG_STATUS, NULL);
1227 ivtv_get_input(itv, itv->active_input, &vidin);
1228 ivtv_get_audio_input(itv, itv->audio_input, &audin);
1229 IVTV_INFO("Video Input: %s\n", vidin.name);
1230 IVTV_INFO("Audio Input: %s\n", audin.name);
1231 if (has_output) {
1232 struct v4l2_output vidout;
1233 struct v4l2_audioout audout;
1234 int mode = itv->output_mode;
1235 static const char * const output_modes[] = {
1236 "None",
1237 "MPEG Streaming",
1238 "YUV Streaming",
1239 "YUV Frames",
1240 "Passthrough",
1241 };
1242
1243 ivtv_get_output(itv, itv->active_output, &vidout);
1244 ivtv_get_audio_output(itv, 0, &audout);
1245 IVTV_INFO("Video Output: %s\n", vidout.name);
1246 IVTV_INFO("Audio Output: %s\n", audout.name);
1247 if (mode < 0 || mode > OUT_PASSTHROUGH)
1248 mode = OUT_NONE;
1249 IVTV_INFO("Output Mode: %s\n", output_modes[mode]);
1250 }
1251 IVTV_INFO("Tuner: %s\n",
1252 test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV");
1253 cx2341x_log_status(&itv->params, itv->name);
94104aa2 1254 IVTV_INFO("Status flags: 0x%08lx\n", itv->i_flags);
1a0adaf3
HV		 1255 for (i = 0; i < IVTV_MAX_STREAMS; i++) {
1256 struct ivtv_stream *s = &itv->streams[i];
1257
1258 if (s->v4l2dev == NULL || s->buffers == 0)
1259 continue;
1260 IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags,
1261 (s->buffers - s->q_free.buffers) * 100 / s->buffers,
1262 (s->buffers * s->buf_size) / 1024, s->buffers);
1263 }
c4385098 1264 IVTV_INFO("Read MPEG/VBI: %lld/%lld bytes\n", (long long)itv->mpg_data_received, (long long)itv->vbi_data_inserted);
1a0adaf3
HV		 1265 IVTV_INFO("================== END STATUS CARD #%d ==================\n", itv->num);
1266 break;
1267 }
1268
1269 default:
1270 return -EINVAL;
1271 }
1272 return 0;
1273}
1274
d4e7ee36 1275static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
1a0adaf3
HV		 1276{
1277 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1278 struct ivtv *itv = id->itv;
1279 int nonblocking = filp->f_flags & O_NONBLOCK;
1280 struct ivtv_stream *s = &itv->streams[id->type];
1281
1282 switch (cmd) {
1283 case IVTV_IOC_DMA_FRAME: {
1284 struct ivtv_dma_frame *args = arg;
1285
1286 IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n");
1287 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1288 return -EINVAL;
1289 if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
1290 return -EINVAL;
1291 if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
1292 return 0;
1293 if (ivtv_claim_stream(id, id->type)) {
1294 return -EBUSY;
1295 }
1296 if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
1297 ivtv_release_stream(s);
1298 return -EBUSY;
1299 }
1300 if (args->y_source == NULL)
1301 return 0;
1302 return ivtv_yuv_prep_frame(itv, args);
1303 }
1304
1305 case VIDEO_GET_PTS: {
1306 u32 data[CX2341X_MBOX_MAX_DATA];
1307 u64 *pts = arg;
1308
1309 IVTV_DEBUG_IOCTL("VIDEO_GET_PTS\n");
1310 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1311 *pts = s->dma_pts;
1312 break;
1313 }
1314 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1315 return -EINVAL;
1316
1317 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1318 *pts = (u64) ((u64)itv->last_dec_timing[2] << 32) |
1319 (u64)itv->last_dec_timing[1];
1320 break;
1321 }
1322 *pts = 0;
1323 if (atomic_read(&itv->decoding)) {
1324 if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1325 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1326 return -EIO;
1327 }
1328 memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1329 set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1330 *pts = (u64) ((u64) data[2] << 32) | (u64) data[1];
1331 /*timing->scr = (u64) (((u64) data[4] << 32) | (u64) (data[3]));*/
1332 }
1333 break;
1334 }
1335
1336 case VIDEO_GET_FRAME_COUNT: {
1337 u32 data[CX2341X_MBOX_MAX_DATA];
1338 u64 *frame = arg;
1339
1340 IVTV_DEBUG_IOCTL("VIDEO_GET_FRAME_COUNT\n");
1341 if (s->type < IVTV_DEC_STREAM_TYPE_MPG) {
1342 *frame = 0;
1343 break;
1344 }
1345 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1346 return -EINVAL;
1347
1348 if (test_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags)) {
1349 *frame = itv->last_dec_timing[0];
1350 break;
1351 }
1352 *frame = 0;
1353 if (atomic_read(&itv->decoding)) {
1354 if (ivtv_api(itv, CX2341X_DEC_GET_TIMING_INFO, 5, data)) {
1355 IVTV_DEBUG_WARN("GET_TIMING: couldn't read clock\n");
1356 return -EIO;
1357 }
1358 memcpy(itv->last_dec_timing, data, sizeof(itv->last_dec_timing));
1359 set_bit(IVTV_F_I_VALID_DEC_TIMINGS, &itv->i_flags);
1360 *frame = data[0];
1361 }
1362 break;
1363 }
1364
1365 case VIDEO_PLAY: {
1366 struct video_command vc;
1367
1368 IVTV_DEBUG_IOCTL("VIDEO_PLAY\n");
1369 memset(&vc, 0, sizeof(vc));
1370 vc.cmd = VIDEO_CMD_PLAY;
1371 return ivtv_video_command(itv, id, &vc, 0);
1372 }
1373
1374 case VIDEO_STOP: {
1375 struct video_command vc;
1376
1377 IVTV_DEBUG_IOCTL("VIDEO_STOP\n");
1378 memset(&vc, 0, sizeof(vc));
1379 vc.cmd = VIDEO_CMD_STOP;
1380 vc.flags = VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY;
1381 return ivtv_video_command(itv, id, &vc, 0);
1382 }
1383
1384 case VIDEO_FREEZE: {
1385 struct video_command vc;
1386
1387 IVTV_DEBUG_IOCTL("VIDEO_FREEZE\n");
1388 memset(&vc, 0, sizeof(vc));
1389 vc.cmd = VIDEO_CMD_FREEZE;
1390 return ivtv_video_command(itv, id, &vc, 0);
1391 }
1392
1393 case VIDEO_CONTINUE: {
1394 struct video_command vc;
1395
1396 IVTV_DEBUG_IOCTL("VIDEO_CONTINUE\n");
1397 memset(&vc, 0, sizeof(vc));
1398 vc.cmd = VIDEO_CMD_CONTINUE;
1399 return ivtv_video_command(itv, id, &vc, 0);
1400 }
1401
1402 case VIDEO_COMMAND:
1403 case VIDEO_TRY_COMMAND: {
1404 struct video_command *vc = arg;
1405 int try = (cmd == VIDEO_TRY_COMMAND);
1406
1407 if (try)
1408 IVTV_DEBUG_IOCTL("VIDEO_TRY_COMMAND\n");
1409 else
1410 IVTV_DEBUG_IOCTL("VIDEO_COMMAND\n");
1411 return ivtv_video_command(itv, id, vc, try);
1412 }
1413
1414 case VIDEO_GET_EVENT: {
1415 struct video_event *ev = arg;
1416 DEFINE_WAIT(wait);
1417
1418 IVTV_DEBUG_IOCTL("VIDEO_GET_EVENT\n");
1419 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1420 return -EINVAL;
1421 memset(ev, 0, sizeof(*ev));
1422 set_bit(IVTV_F_I_EV_VSYNC_ENABLED, &itv->i_flags);
1423
1424 while (1) {
1425 if (test_and_clear_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags))
1426 ev->type = VIDEO_EVENT_DECODER_STOPPED;
1427 else if (test_and_clear_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags)) {
1428 ev->type = VIDEO_EVENT_VSYNC;
037c86c5
HV		 1429 ev->u.vsync_field = test_bit(IVTV_F_I_EV_VSYNC_FIELD, &itv->i_flags) ?
1430 VIDEO_VSYNC_FIELD_ODD : VIDEO_VSYNC_FIELD_EVEN;
1431 if (itv->output_mode == OUT_UDMA_YUV &&
1432 (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) ==
1433 IVTV_YUV_MODE_PROGRESSIVE) {
1434 ev->u.vsync_field = VIDEO_VSYNC_FIELD_PROGRESSIVE;
1435 }
1a0adaf3
HV		 1436 }
1437 if (ev->type)
1438 return 0;
1439 if (nonblocking)
1440 return -EAGAIN;
1441 /* wait for event */
1442 prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
1443 if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
1444 schedule();
1445 finish_wait(&itv->event_waitq, &wait);
1446 if (signal_pending(current)) {
1447 /* return if a signal was received */
1448 IVTV_DEBUG_INFO("User stopped wait for event\n");
1449 return -EINTR;
1450 }
1451 }
1452 break;
1453 }
1454
1a0adaf3
HV		 1455 default:
1456 return -EINVAL;
1457 }
1458 return 0;
1459}
1460
1461static int ivtv_v4l2_do_ioctl(struct inode *inode, struct file *filp,
1462 unsigned int cmd, void *arg)
1463{
1464 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1465 struct ivtv *itv = id->itv;
d46c17d7 1466 int ret;
1a0adaf3 1467
d46c17d7
HV		 1468 /* check priority */
1469 switch (cmd) {
1470 case VIDIOC_S_CTRL:
1471 case VIDIOC_S_STD:
1472 case VIDIOC_S_INPUT:
1473 case VIDIOC_S_OUTPUT:
1474 case VIDIOC_S_TUNER:
1475 case VIDIOC_S_FREQUENCY:
1476 case VIDIOC_S_FMT:
1477 case VIDIOC_S_CROP:
1478 case VIDIOC_S_AUDIO:
1479 case VIDIOC_S_AUDOUT:
1480 case VIDIOC_S_EXT_CTRLS:
1481 case VIDIOC_S_FBUF:
1482 ret = v4l2_prio_check(&itv->prio, &id->prio);
1483 if (ret)
1484 return ret;
1485 }
1486
1a0adaf3
HV		 1487 switch (cmd) {
1488 case VIDIOC_DBG_G_REGISTER:
1489 case VIDIOC_DBG_S_REGISTER:
1490 case VIDIOC_G_CHIP_IDENT:
1491 case VIDIOC_INT_S_AUDIO_ROUTING:
1492 case VIDIOC_INT_RESET:
d4e7ee36
HV		 1493 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1494 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1495 v4l_printk_ioctl(cmd);
1496 }
1497 return ivtv_debug_ioctls(filp, cmd, arg);
1a0adaf3 1498
d46c17d7
HV		 1499 case VIDIOC_G_PRIORITY:
1500 case VIDIOC_S_PRIORITY:
1a0adaf3
HV		 1501 case VIDIOC_QUERYCAP:
1502 case VIDIOC_ENUMINPUT:
1503 case VIDIOC_G_INPUT:
1504 case VIDIOC_S_INPUT:
1505 case VIDIOC_ENUMOUTPUT:
1506 case VIDIOC_G_OUTPUT:
1507 case VIDIOC_S_OUTPUT:
1508 case VIDIOC_G_FMT:
1509 case VIDIOC_S_FMT:
1510 case VIDIOC_TRY_FMT:
1511 case VIDIOC_ENUM_FMT:
987e00ba 1512 case VIDIOC_CROPCAP:
1a0adaf3
HV		 1513 case VIDIOC_G_CROP:
1514 case VIDIOC_S_CROP:
1515 case VIDIOC_G_FREQUENCY:
1516 case VIDIOC_S_FREQUENCY:
1517 case VIDIOC_ENUMSTD:
1518 case VIDIOC_G_STD:
1519 case VIDIOC_S_STD:
1520 case VIDIOC_S_TUNER:
1521 case VIDIOC_G_TUNER:
1522 case VIDIOC_ENUMAUDIO:
1523 case VIDIOC_S_AUDIO:
1524 case VIDIOC_G_AUDIO:
1525 case VIDIOC_ENUMAUDOUT:
1526 case VIDIOC_S_AUDOUT:
1527 case VIDIOC_G_AUDOUT:
1528 case VIDIOC_G_SLICED_VBI_CAP:
1529 case VIDIOC_LOG_STATUS:
d4e7ee36
HV		 1530 case VIDIOC_G_ENC_INDEX:
1531 case VIDIOC_ENCODER_CMD:
1532 case VIDIOC_TRY_ENCODER_CMD:
1533 case VIDIOC_G_FBUF:
1534 case VIDIOC_S_FBUF:
1535 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1536 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1537 v4l_printk_ioctl(cmd);
1538 }
1a0adaf3
HV		 1539 return ivtv_v4l2_ioctls(itv, filp, cmd, arg);
1540
1541 case VIDIOC_QUERYMENU:
1542 case VIDIOC_QUERYCTRL:
1543 case VIDIOC_S_CTRL:
1544 case VIDIOC_G_CTRL:
1545 case VIDIOC_S_EXT_CTRLS:
1546 case VIDIOC_G_EXT_CTRLS:
1547 case VIDIOC_TRY_EXT_CTRLS:
d4e7ee36
HV		 1548 if (ivtv_debug & IVTV_DBGFLG_IOCTL) {
1549 printk(KERN_INFO "ivtv%d ioctl: ", itv->num);
1550 v4l_printk_ioctl(cmd);
1551 }
1a0adaf3
HV		 1552 return ivtv_control_ioctls(itv, cmd, arg);
1553
1554 case IVTV_IOC_DMA_FRAME:
1555 case VIDEO_GET_PTS:
1556 case VIDEO_GET_FRAME_COUNT:
1557 case VIDEO_GET_EVENT:
1558 case VIDEO_PLAY:
1559 case VIDEO_STOP:
1560 case VIDEO_FREEZE:
1561 case VIDEO_CONTINUE:
1562 case VIDEO_COMMAND:
1563 case VIDEO_TRY_COMMAND:
d4e7ee36 1564 return ivtv_decoder_ioctls(filp, cmd, arg);
1a0adaf3
HV		 1565
1566 case 0x00005401: /* Handle isatty() calls */
1567 return -EINVAL;
1568 default:
1569 return v4l_compat_translate_ioctl(inode, filp, cmd, arg,
1570 ivtv_v4l2_do_ioctl);
1571 }
1572 return 0;
1573}
1574
1575int ivtv_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
1576 unsigned long arg)
1577{
1578 struct ivtv_open_id *id = (struct ivtv_open_id *)filp->private_data;
1579 struct ivtv *itv = id->itv;
1580
1581 /* Filter dvb ioctls that cannot be handled by video_usercopy */
1582 switch (cmd) {
1583 case VIDEO_SELECT_SOURCE:
1584 IVTV_DEBUG_IOCTL("VIDEO_SELECT_SOURCE\n");
1585 if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
1586 return -EINVAL;
1587 return ivtv_passthrough_mode(itv, arg == VIDEO_SOURCE_DEMUX);
1588
1589 case AUDIO_SET_MUTE:
1590 IVTV_DEBUG_IOCTL("AUDIO_SET_MUTE\n");
1591 itv->speed_mute_audio = arg;
1592 return 0;
1593
1594 case AUDIO_CHANNEL_SELECT:
1595 IVTV_DEBUG_IOCTL("AUDIO_CHANNEL_SELECT\n");
1596 if (arg > AUDIO_STEREO_SWAPPED)
1597 return -EINVAL;
1598 itv->audio_stereo_mode = arg;
1599 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1600 return 0;
1601
1602 case AUDIO_BILINGUAL_CHANNEL_SELECT:
1603 IVTV_DEBUG_IOCTL("AUDIO_BILINGUAL_CHANNEL_SELECT\n");
1604 if (arg > AUDIO_STEREO_SWAPPED)
1605 return -EINVAL;
1606 itv->audio_bilingual_mode = arg;
1607 ivtv_vapi(itv, CX2341X_DEC_SET_AUDIO_MODE, 2, itv->audio_bilingual_mode, itv->audio_stereo_mode);
1608 return 0;
1609
1610 default:
1611 break;
1612 }
1613 return video_usercopy(inode, filp, cmd, arg, ivtv_v4l2_do_ioctl);
1614}
Linux kernel - Deliverables
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