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Full support for Ginger Console
[linux-ginger.git] / drivers / media / video / cx18 / cx18-ioctl.c
blobfc76e4d6ffa72d3d6c48e9bc169d2465a5f03a25
1 /*
2 * cx18 ioctl system call
3 *
4 * Derived from ivtv-ioctl.c
5 *
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
7 * Copyright (C) 2008 Andy Walls <awalls@radix.net>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 * 02111-1307 USA
23 */
24
25 #include "cx18-driver.h"
26 #include "cx18-io.h"
27 #include "cx18-version.h"
28 #include "cx18-mailbox.h"
29 #include "cx18-i2c.h"
30 #include "cx18-queue.h"
31 #include "cx18-fileops.h"
32 #include "cx18-vbi.h"
33 #include "cx18-audio.h"
34 #include "cx18-video.h"
35 #include "cx18-streams.h"
36 #include "cx18-ioctl.h"
37 #include "cx18-gpio.h"
38 #include "cx18-controls.h"
39 #include "cx18-cards.h"
40 #include "cx18-av-core.h"
41 #include <media/tveeprom.h>
42 #include <media/v4l2-chip-ident.h>
43 #include <linux/i2c-id.h>
44
45 u16 cx18_service2vbi(int type)
46 {
47 switch (type) {
48 case V4L2_SLICED_TELETEXT_B:
49 return CX18_SLICED_TYPE_TELETEXT_B;
50 case V4L2_SLICED_CAPTION_525:
51 return CX18_SLICED_TYPE_CAPTION_525;
52 case V4L2_SLICED_WSS_625:
53 return CX18_SLICED_TYPE_WSS_625;
54 case V4L2_SLICED_VPS:
55 return CX18_SLICED_TYPE_VPS;
56 default:
57 return 0;
58 }
59 }
60
61 /* Check if VBI services are allowed on the (field, line) for the video std */
62 static int valid_service_line(int field, int line, int is_pal)
63 {
64 return (is_pal && line >= 6 &&
65 ((field == 0 && line <= 23) || (field == 1 && line <= 22))) ||
66 (!is_pal && line >= 10 && line < 22);
67 }
68
69 /*
70 * For a (field, line, std) and inbound potential set of services for that line,
71 * return the first valid service of those passed in the incoming set for that
72 * line in priority order:
73 * CC, VPS, or WSS over TELETEXT for well known lines
74 * TELETEXT, before VPS, before CC, before WSS, for other lines
75 */
76 static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
77 {
78 u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
79 int i;
80
81 set = set & valid_set;
82 if (set == 0 || !valid_service_line(field, line, is_pal))
83 return 0;
84 if (!is_pal) {
85 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
86 return V4L2_SLICED_CAPTION_525;
87 } else {
88 if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
89 return V4L2_SLICED_VPS;
90 if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
91 return V4L2_SLICED_WSS_625;
92 if (line == 23)
93 return 0;
94 }
95 for (i = 0; i < 32; i++) {
96 if ((1 << i) & set)
97 return 1 << i;
98 }
99 return 0;
100 }
101
102 /*
103 * Expand the service_set of *fmt into valid service_lines for the std,
104 * and clear the passed in fmt->service_set
105 */
106 void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
107 {
108 u16 set = fmt->service_set;
109 int f, l;
110
111 fmt->service_set = 0;
112 for (f = 0; f < 2; f++) {
113 for (l = 0; l < 24; l++)
114 fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
115 }
116 }
117
118 /*
119 * Sanitize the service_lines in *fmt per the video std, and return 1
120 * if any service_line is left as valid after santization
121 */
122 static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
123 {
124 int f, l;
125 u16 set = 0;
126
127 for (f = 0; f < 2; f++) {
128 for (l = 0; l < 24; l++) {
129 fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
130 set |= fmt->service_lines[f][l];
131 }
132 }
133 return set != 0;
134 }
135
136 /* Compute the service_set from the assumed valid service_lines of *fmt */
137 u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt)
138 {
139 int f, l;
140 u16 set = 0;
141
142 for (f = 0; f < 2; f++) {
143 for (l = 0; l < 24; l++)
144 set |= fmt->service_lines[f][l];
145 }
146 return set;
147 }
148
149 static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
150 struct v4l2_format *fmt)
151 {
152 struct cx18_open_id *id = fh;
153 struct cx18 *cx = id->cx;
154 struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
155
156 pixfmt->width = cx->params.width;
157 pixfmt->height = cx->params.height;
158 pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
159 pixfmt->field = V4L2_FIELD_INTERLACED;
160 pixfmt->priv = 0;
161 if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
162 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
163 /* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
164 pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2;
165 pixfmt->bytesperline = 720;
166 } else {
167 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
168 pixfmt->sizeimage = 128 * 1024;
169 pixfmt->bytesperline = 0;
170 }
171 return 0;
172 }
173
174 static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
175 struct v4l2_format *fmt)
176 {
177 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
178 struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
179
180 vbifmt->sampling_rate = 27000000;
181 vbifmt->offset = 248; /* FIXME - slightly wrong for both 50 & 60 Hz */
182 vbifmt->samples_per_line = vbi_active_samples - 4;
183 vbifmt->sample_format = V4L2_PIX_FMT_GREY;
184 vbifmt->start[0] = cx->vbi.start[0];
185 vbifmt->start[1] = cx->vbi.start[1];
186 vbifmt->count[0] = vbifmt->count[1] = cx->vbi.count;
187 vbifmt->flags = 0;
188 vbifmt->reserved[0] = 0;
189 vbifmt->reserved[1] = 0;
190 return 0;
191 }
192
193 static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
194 struct v4l2_format *fmt)
195 {
196 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
197 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
198
199 /* sane, V4L2 spec compliant, defaults */
200 vbifmt->reserved[0] = 0;
201 vbifmt->reserved[1] = 0;
202 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
203 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
204 vbifmt->service_set = 0;
205
206 /*
207 * Fetch the configured service_lines and total service_set from the
208 * digitizer/slicer. Note, cx18_av_vbi() wipes the passed in
209 * fmt->fmt.sliced under valid calling conditions
210 */
211 if (v4l2_subdev_call(cx->sd_av, video, g_fmt, fmt))
212 return -EINVAL;
213
214 /* Ensure V4L2 spec compliant output */
215 vbifmt->reserved[0] = 0;
216 vbifmt->reserved[1] = 0;
217 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
218 vbifmt->service_set = cx18_get_service_set(vbifmt);
219 return 0;
220 }
221
222 static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
223 struct v4l2_format *fmt)
224 {
225 struct cx18_open_id *id = fh;
226 struct cx18 *cx = id->cx;
227 int w = fmt->fmt.pix.width;
228 int h = fmt->fmt.pix.height;
229 int min_h = 2;
230
231 w = min(w, 720);
232 w = max(w, 2);
233 if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
234 /* YUV height must be a multiple of 32 */
235 h &= ~0x1f;
236 min_h = 32;
237 }
238 h = min(h, cx->is_50hz ? 576 : 480);
239 h = max(h, min_h);
240
241 cx18_g_fmt_vid_cap(file, fh, fmt);
242 fmt->fmt.pix.width = w;
243 fmt->fmt.pix.height = h;
244 return 0;
245 }
246
247 static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
248 struct v4l2_format *fmt)
249 {
250 return cx18_g_fmt_vbi_cap(file, fh, fmt);
251 }
252
253 static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
254 struct v4l2_format *fmt)
255 {
256 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
257 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
258
259 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
260 vbifmt->reserved[0] = 0;
261 vbifmt->reserved[1] = 0;
262
263 /* If given a service set, expand it validly & clear passed in set */
264 if (vbifmt->service_set)
265 cx18_expand_service_set(vbifmt, cx->is_50hz);
266 /* Sanitize the service_lines, and compute the new set if any valid */
267 if (check_service_set(vbifmt, cx->is_50hz))
268 vbifmt->service_set = cx18_get_service_set(vbifmt);
269 return 0;
270 }
271
272 static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
273 struct v4l2_format *fmt)
274 {
275 struct cx18_open_id *id = fh;
276 struct cx18 *cx = id->cx;
277 int ret;
278 int w, h;
279
280 ret = v4l2_prio_check(&cx->prio, &id->prio);
281 if (ret)
282 return ret;
283
284 ret = cx18_try_fmt_vid_cap(file, fh, fmt);
285 if (ret)
286 return ret;
287 w = fmt->fmt.pix.width;
288 h = fmt->fmt.pix.height;
289
290 if (cx->params.width == w && cx->params.height == h)
291 return 0;
292
293 if (atomic_read(&cx->ana_capturing) > 0)
294 return -EBUSY;
295
296 cx->params.width = w;
297 cx->params.height = h;
298 v4l2_subdev_call(cx->sd_av, video, s_fmt, fmt);
299 return cx18_g_fmt_vid_cap(file, fh, fmt);
300 }
301
302 static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
303 struct v4l2_format *fmt)
304 {
305 struct cx18_open_id *id = fh;
306 struct cx18 *cx = id->cx;
307 int ret;
308
309 ret = v4l2_prio_check(&cx->prio, &id->prio);
310 if (ret)
311 return ret;
312
313 /*
314 * Changing the Encoder's Raw VBI parameters won't have any effect
315 * if any analog capture is ongoing
316 */
317 if (!cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
318 return -EBUSY;
319
320 /*
321 * Set the digitizer registers for raw active VBI.
322 * Note cx18_av_vbi_wipes out alot of the passed in fmt under valid
323 * calling conditions
324 */
325 ret = v4l2_subdev_call(cx->sd_av, video, s_fmt, fmt);
326 if (ret)
327 return ret;
328
329 /* Store our new v4l2 (non-)sliced VBI state */
330 cx->vbi.sliced_in->service_set = 0;
331 cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
332
333 return cx18_g_fmt_vbi_cap(file, fh, fmt);
334 }
335
336 static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
337 struct v4l2_format *fmt)
338 {
339 struct cx18_open_id *id = fh;
340 struct cx18 *cx = id->cx;
341 int ret;
342 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
343
344 ret = v4l2_prio_check(&cx->prio, &id->prio);
345 if (ret)
346 return ret;
347
348 cx18_try_fmt_sliced_vbi_cap(file, fh, fmt);
349
350 /*
351 * Changing the Encoder's Raw VBI parameters won't have any effect
352 * if any analog capture is ongoing
353 */
354 if (cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
355 return -EBUSY;
356
357 /*
358 * Set the service_lines requested in the digitizer/slicer registers.
359 * Note, cx18_av_vbi() wipes some "impossible" service lines in the
360 * passed in fmt->fmt.sliced under valid calling conditions
361 */
362 ret = v4l2_subdev_call(cx->sd_av, video, s_fmt, fmt);
363 if (ret)
364 return ret;
365 /* Store our current v4l2 sliced VBI settings */
366 cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
367 memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in));
368 return 0;
369 }
370
371 static int cx18_g_chip_ident(struct file *file, void *fh,
372 struct v4l2_dbg_chip_ident *chip)
373 {
374 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
375 int err = 0;
376
377 chip->ident = V4L2_IDENT_NONE;
378 chip->revision = 0;
379 switch (chip->match.type) {
380 case V4L2_CHIP_MATCH_HOST:
381 switch (chip->match.addr) {
382 case 0:
383 chip->ident = V4L2_IDENT_CX23418;
384 chip->revision = cx18_read_reg(cx, 0xC72028);
385 break;
386 case 1:
387 /*
388 * The A/V decoder is always present, but in the rare
389 * case that the card doesn't have analog, we don't
390 * use it. We find it w/o using the cx->sd_av pointer
391 */
392 cx18_call_hw(cx, CX18_HW_418_AV,
393 core, g_chip_ident, chip);
394 break;
395 default:
396 /*
397 * Could return ident = V4L2_IDENT_UNKNOWN if we had
398 * other host chips at higher addresses, but we don't
399 */
400 err = -EINVAL; /* per V4L2 spec */
401 break;
402 }
403 break;
404 case V4L2_CHIP_MATCH_I2C_DRIVER:
405 /* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */
406 cx18_call_all(cx, core, g_chip_ident, chip);
407 break;
408 case V4L2_CHIP_MATCH_I2C_ADDR:
409 /*
410 * We could return V4L2_IDENT_UNKNOWN, but we don't do the work
411 * to look if a chip is at the address with no driver. That's a
412 * dangerous thing to do with EEPROMs anyway.
413 */
414 cx18_call_all(cx, core, g_chip_ident, chip);
415 break;
416 default:
417 err = -EINVAL;
418 break;
419 }
420 return err;
421 }
422
423 #ifdef CONFIG_VIDEO_ADV_DEBUG
424 static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
425 {
426 struct v4l2_dbg_register *regs = arg;
427
428 if (!capable(CAP_SYS_ADMIN))
429 return -EPERM;
430 if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
431 return -EINVAL;
432
433 regs->size = 4;
434 if (cmd == VIDIOC_DBG_S_REGISTER)
435 cx18_write_enc(cx, regs->val, regs->reg);
436 else
437 regs->val = cx18_read_enc(cx, regs->reg);
438 return 0;
439 }
440
441 static int cx18_g_register(struct file *file, void *fh,
442 struct v4l2_dbg_register *reg)
443 {
444 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
445
446 if (v4l2_chip_match_host(&reg->match))
447 return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
448 /* FIXME - errors shouldn't be ignored */
449 cx18_call_all(cx, core, g_register, reg);
450 return 0;
451 }
452
453 static int cx18_s_register(struct file *file, void *fh,
454 struct v4l2_dbg_register *reg)
455 {
456 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
457
458 if (v4l2_chip_match_host(&reg->match))
459 return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
460 /* FIXME - errors shouldn't be ignored */
461 cx18_call_all(cx, core, s_register, reg);
462 return 0;
463 }
464 #endif
465
466 static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
467 {
468 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
469
470 *p = v4l2_prio_max(&cx->prio);
471 return 0;
472 }
473
474 static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
475 {
476 struct cx18_open_id *id = fh;
477 struct cx18 *cx = id->cx;
478
479 return v4l2_prio_change(&cx->prio, &id->prio, prio);
480 }
481
482 static int cx18_querycap(struct file *file, void *fh,
483 struct v4l2_capability *vcap)
484 {
485 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
486
487 strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
488 strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
489 snprintf(vcap->bus_info, sizeof(vcap->bus_info),
490 "PCI:%s", pci_name(cx->pci_dev));
491 vcap->version = CX18_DRIVER_VERSION; /* version */
492 vcap->capabilities = cx->v4l2_cap; /* capabilities */
493 return 0;
494 }
495
496 static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
497 {
498 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
499
500 return cx18_get_audio_input(cx, vin->index, vin);
501 }
502
503 static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
504 {
505 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
506
507 vin->index = cx->audio_input;
508 return cx18_get_audio_input(cx, vin->index, vin);
509 }
510
511 static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
512 {
513 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
514
515 if (vout->index >= cx->nof_audio_inputs)
516 return -EINVAL;
517 cx->audio_input = vout->index;
518 cx18_audio_set_io(cx);
519 return 0;
520 }
521
522 static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
523 {
524 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
525
526 /* set it to defaults from our table */
527 return cx18_get_input(cx, vin->index, vin);
528 }
529
530 static int cx18_cropcap(struct file *file, void *fh,
531 struct v4l2_cropcap *cropcap)
532 {
533 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
534
535 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
536 return -EINVAL;
537 cropcap->bounds.top = cropcap->bounds.left = 0;
538 cropcap->bounds.width = 720;
539 cropcap->bounds.height = cx->is_50hz ? 576 : 480;
540 cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10;
541 cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11;
542 cropcap->defrect = cropcap->bounds;
543 return 0;
544 }
545
546 static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
547 {
548 struct cx18_open_id *id = fh;
549 struct cx18 *cx = id->cx;
550 int ret;
551
552 ret = v4l2_prio_check(&cx->prio, &id->prio);
553 if (ret)
554 return ret;
555
556 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
557 return -EINVAL;
558 CX18_DEBUG_WARN("VIDIOC_S_CROP not implemented\n");
559 return -EINVAL;
560 }
561
562 static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
563 {
564 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
565
566 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
567 return -EINVAL;
568 CX18_DEBUG_WARN("VIDIOC_G_CROP not implemented\n");
569 return -EINVAL;
570 }
571
572 static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
573 struct v4l2_fmtdesc *fmt)
574 {
575 static struct v4l2_fmtdesc formats[] = {
576 { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
577 "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
578 },
579 { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
580 "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
581 }
582 };
583
584 if (fmt->index > 1)
585 return -EINVAL;
586 *fmt = formats[fmt->index];
587 return 0;
588 }
589
590 static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
591 {
592 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
593
594 *i = cx->active_input;
595 return 0;
596 }
597
598 int cx18_s_input(struct file *file, void *fh, unsigned int inp)
599 {
600 struct cx18_open_id *id = fh;
601 struct cx18 *cx = id->cx;
602 int ret;
603
604 ret = v4l2_prio_check(&cx->prio, &id->prio);
605 if (ret)
606 return ret;
607
608 if (inp >= cx->nof_inputs)
609 return -EINVAL;
610
611 if (inp == cx->active_input) {
612 CX18_DEBUG_INFO("Input unchanged\n");
613 return 0;
614 }
615
616 CX18_DEBUG_INFO("Changing input from %d to %d\n",
617 cx->active_input, inp);
618
619 cx->active_input = inp;
620 /* Set the audio input to whatever is appropriate for the input type. */
621 cx->audio_input = cx->card->video_inputs[inp].audio_index;
622
623 /* prevent others from messing with the streams until
624 we're finished changing inputs. */
625 cx18_mute(cx);
626 cx18_video_set_io(cx);
627 cx18_audio_set_io(cx);
628 cx18_unmute(cx);
629 return 0;
630 }
631
632 static int cx18_g_frequency(struct file *file, void *fh,
633 struct v4l2_frequency *vf)
634 {
635 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
636
637 if (vf->tuner != 0)
638 return -EINVAL;
639
640 cx18_call_all(cx, tuner, g_frequency, vf);
641 return 0;
642 }
643
644 int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
645 {
646 struct cx18_open_id *id = fh;
647 struct cx18 *cx = id->cx;
648 int ret;
649
650 ret = v4l2_prio_check(&cx->prio, &id->prio);
651 if (ret)
652 return ret;
653
654 if (vf->tuner != 0)
655 return -EINVAL;
656
657 cx18_mute(cx);
658 CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
659 cx18_call_all(cx, tuner, s_frequency, vf);
660 cx18_unmute(cx);
661 return 0;
662 }
663
664 static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
665 {
666 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
667
668 *std = cx->std;
669 return 0;
670 }
671
672 int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
673 {
674 struct cx18_open_id *id = fh;
675 struct cx18 *cx = id->cx;
676 int ret;
677
678 ret = v4l2_prio_check(&cx->prio, &id->prio);
679 if (ret)
680 return ret;
681
682 if ((*std & V4L2_STD_ALL) == 0)
683 return -EINVAL;
684
685 if (*std == cx->std)
686 return 0;
687
688 if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ||
689 atomic_read(&cx->ana_capturing) > 0) {
690 /* Switching standard would turn off the radio or mess
691 with already running streams, prevent that by
692 returning EBUSY. */
693 return -EBUSY;
694 }
695
696 cx->std = *std;
697 cx->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
698 cx->params.is_50hz = cx->is_50hz = !cx->is_60hz;
699 cx->params.width = 720;
700 cx->params.height = cx->is_50hz ? 576 : 480;
701 cx->vbi.count = cx->is_50hz ? 18 : 12;
702 cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
703 cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
704 CX18_DEBUG_INFO("Switching standard to %llx.\n",
705 (unsigned long long) cx->std);
706
707 /* Tuner */
708 cx18_call_all(cx, core, s_std, cx->std);
709 return 0;
710 }
711
712 static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
713 {
714 struct cx18_open_id *id = fh;
715 struct cx18 *cx = id->cx;
716 int ret;
717
718 ret = v4l2_prio_check(&cx->prio, &id->prio);
719 if (ret)
720 return ret;
721
722 if (vt->index != 0)
723 return -EINVAL;
724
725 cx18_call_all(cx, tuner, s_tuner, vt);
726 return 0;
727 }
728
729 static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
730 {
731 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
732
733 if (vt->index != 0)
734 return -EINVAL;
735
736 cx18_call_all(cx, tuner, g_tuner, vt);
737
738 if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
739 strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
740 vt->type = V4L2_TUNER_RADIO;
741 } else {
742 strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
743 vt->type = V4L2_TUNER_ANALOG_TV;
744 }
745
746 return 0;
747 }
748
749 static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
750 struct v4l2_sliced_vbi_cap *cap)
751 {
752 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
753 int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
754 int f, l;
755
756 if (cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
757 return -EINVAL;
758
759 cap->service_set = 0;
760 for (f = 0; f < 2; f++) {
761 for (l = 0; l < 24; l++) {
762 if (valid_service_line(f, l, cx->is_50hz)) {
763 /*
764 * We can find all v4l2 supported vbi services
765 * for the standard, on a valid line for the std
766 */
767 cap->service_lines[f][l] = set;
768 cap->service_set |= set;
769 } else
770 cap->service_lines[f][l] = 0;
771 }
772 }
773 for (f = 0; f < 3; f++)
774 cap->reserved[f] = 0;
775 return 0;
776 }
777
778 static int cx18_g_enc_index(struct file *file, void *fh,
779 struct v4l2_enc_idx *idx)
780 {
781 return -EINVAL;
782 }
783
784 static int cx18_encoder_cmd(struct file *file, void *fh,
785 struct v4l2_encoder_cmd *enc)
786 {
787 struct cx18_open_id *id = fh;
788 struct cx18 *cx = id->cx;
789 u32 h;
790
791 switch (enc->cmd) {
792 case V4L2_ENC_CMD_START:
793 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
794 enc->flags = 0;
795 return cx18_start_capture(id);
796
797 case V4L2_ENC_CMD_STOP:
798 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
799 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
800 cx18_stop_capture(id,
801 enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
802 break;
803
804 case V4L2_ENC_CMD_PAUSE:
805 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
806 enc->flags = 0;
807 if (!atomic_read(&cx->ana_capturing))
808 return -EPERM;
809 if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
810 return 0;
811 h = cx18_find_handle(cx);
812 if (h == CX18_INVALID_TASK_HANDLE) {
813 CX18_ERR("Can't find valid task handle for "
814 "V4L2_ENC_CMD_PAUSE\n");
815 return -EBADFD;
816 }
817 cx18_mute(cx);
818 cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h);
819 break;
820
821 case V4L2_ENC_CMD_RESUME:
822 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
823 enc->flags = 0;
824 if (!atomic_read(&cx->ana_capturing))
825 return -EPERM;
826 if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
827 return 0;
828 h = cx18_find_handle(cx);
829 if (h == CX18_INVALID_TASK_HANDLE) {
830 CX18_ERR("Can't find valid task handle for "
831 "V4L2_ENC_CMD_RESUME\n");
832 return -EBADFD;
833 }
834 cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h);
835 cx18_unmute(cx);
836 break;
837
838 default:
839 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
840 return -EINVAL;
841 }
842 return 0;
843 }
844
845 static int cx18_try_encoder_cmd(struct file *file, void *fh,
846 struct v4l2_encoder_cmd *enc)
847 {
848 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
849
850 switch (enc->cmd) {
851 case V4L2_ENC_CMD_START:
852 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
853 enc->flags = 0;
854 break;
855
856 case V4L2_ENC_CMD_STOP:
857 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
858 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
859 break;
860
861 case V4L2_ENC_CMD_PAUSE:
862 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
863 enc->flags = 0;
864 break;
865
866 case V4L2_ENC_CMD_RESUME:
867 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
868 enc->flags = 0;
869 break;
870
871 default:
872 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
873 return -EINVAL;
874 }
875 return 0;
876 }
877
878 static int cx18_log_status(struct file *file, void *fh)
879 {
880 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
881 struct v4l2_input vidin;
882 struct v4l2_audio audin;
883 int i;
884
885 CX18_INFO("================= START STATUS CARD #%d "
886 "=================\n", cx->instance);
887 CX18_INFO("Version: %s Card: %s\n", CX18_VERSION, cx->card_name);
888 if (cx->hw_flags & CX18_HW_TVEEPROM) {
889 struct tveeprom tv;
890
891 cx18_read_eeprom(cx, &tv);
892 }
893 cx18_call_all(cx, core, log_status);
894 cx18_get_input(cx, cx->active_input, &vidin);
895 cx18_get_audio_input(cx, cx->audio_input, &audin);
896 CX18_INFO("Video Input: %s\n", vidin.name);
897 CX18_INFO("Audio Input: %s\n", audin.name);
898 mutex_lock(&cx->gpio_lock);
899 CX18_INFO("GPIO: direction 0x%08x, value 0x%08x\n",
900 cx->gpio_dir, cx->gpio_val);
901 mutex_unlock(&cx->gpio_lock);
902 CX18_INFO("Tuner: %s\n",
903 test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? "Radio" : "TV");
904 cx2341x_log_status(&cx->params, cx->v4l2_dev.name);
905 CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags);
906 for (i = 0; i < CX18_MAX_STREAMS; i++) {
907 struct cx18_stream *s = &cx->streams[i];
908
909 if (s->video_dev == NULL || s->buffers == 0)
910 continue;
911 CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
912 s->name, s->s_flags,
913 atomic_read(&s->q_full.buffers) * 100 / s->buffers,
914 (s->buffers * s->buf_size) / 1024, s->buffers);
915 }
916 CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
917 (long long)cx->mpg_data_received,
918 (long long)cx->vbi_data_inserted);
919 CX18_INFO("================== END STATUS CARD #%d "
920 "==================\n", cx->instance);
921 return 0;
922 }
923
924 static long cx18_default(struct file *file, void *fh, int cmd, void *arg)
925 {
926 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
927
928 switch (cmd) {
929 case VIDIOC_INT_RESET: {
930 u32 val = *(u32 *)arg;
931
932 if ((val == 0) || (val & 0x01))
933 cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL, core, reset,
934 (u32) CX18_GPIO_RESET_Z8F0811);
935 break;
936 }
937
938 default:
939 return -EINVAL;
940 }
941 return 0;
942 }
943
944 long cx18_v4l2_ioctl(struct file *filp, unsigned int cmd,
945 unsigned long arg)
946 {
947 struct video_device *vfd = video_devdata(filp);
948 struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
949 struct cx18 *cx = id->cx;
950 long res;
951
952 mutex_lock(&cx->serialize_lock);
953
954 /* FIXME - consolidate v4l2_prio_check()'s here */
955
956 if (cx18_debug & CX18_DBGFLG_IOCTL)
957 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
958 res = video_ioctl2(filp, cmd, arg);
959 vfd->debug = 0;
960 mutex_unlock(&cx->serialize_lock);
961 return res;
962 }
963
964 static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
965 .vidioc_querycap = cx18_querycap,
966 .vidioc_g_priority = cx18_g_priority,
967 .vidioc_s_priority = cx18_s_priority,
968 .vidioc_s_audio = cx18_s_audio,
969 .vidioc_g_audio = cx18_g_audio,
970 .vidioc_enumaudio = cx18_enumaudio,
971 .vidioc_enum_input = cx18_enum_input,
972 .vidioc_cropcap = cx18_cropcap,
973 .vidioc_s_crop = cx18_s_crop,
974 .vidioc_g_crop = cx18_g_crop,
975 .vidioc_g_input = cx18_g_input,
976 .vidioc_s_input = cx18_s_input,
977 .vidioc_g_frequency = cx18_g_frequency,
978 .vidioc_s_frequency = cx18_s_frequency,
979 .vidioc_s_tuner = cx18_s_tuner,
980 .vidioc_g_tuner = cx18_g_tuner,
981 .vidioc_g_enc_index = cx18_g_enc_index,
982 .vidioc_g_std = cx18_g_std,
983 .vidioc_s_std = cx18_s_std,
984 .vidioc_log_status = cx18_log_status,
985 .vidioc_enum_fmt_vid_cap = cx18_enum_fmt_vid_cap,
986 .vidioc_encoder_cmd = cx18_encoder_cmd,
987 .vidioc_try_encoder_cmd = cx18_try_encoder_cmd,
988 .vidioc_g_fmt_vid_cap = cx18_g_fmt_vid_cap,
989 .vidioc_g_fmt_vbi_cap = cx18_g_fmt_vbi_cap,
990 .vidioc_g_fmt_sliced_vbi_cap = cx18_g_fmt_sliced_vbi_cap,
991 .vidioc_s_fmt_vid_cap = cx18_s_fmt_vid_cap,
992 .vidioc_s_fmt_vbi_cap = cx18_s_fmt_vbi_cap,
993 .vidioc_s_fmt_sliced_vbi_cap = cx18_s_fmt_sliced_vbi_cap,
994 .vidioc_try_fmt_vid_cap = cx18_try_fmt_vid_cap,
995 .vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap,
996 .vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap,
997 .vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap,
998 .vidioc_g_chip_ident = cx18_g_chip_ident,
999 #ifdef CONFIG_VIDEO_ADV_DEBUG
1000 .vidioc_g_register = cx18_g_register,
1001 .vidioc_s_register = cx18_s_register,
1002 #endif
1003 .vidioc_default = cx18_default,
1004 .vidioc_queryctrl = cx18_queryctrl,
1005 .vidioc_querymenu = cx18_querymenu,
1006 .vidioc_g_ext_ctrls = cx18_g_ext_ctrls,
1007 .vidioc_s_ext_ctrls = cx18_s_ext_ctrls,
1008 .vidioc_try_ext_ctrls = cx18_try_ext_ctrls,
1009 };
1010
1011 void cx18_set_funcs(struct video_device *vdev)
1012 {
1013 vdev->ioctl_ops = &cx18_ioctl_ops;
1014 }
Linux for Ginger Game Console