2 * cx18 ioctl system call
4 * Derived from ivtv-ioctl.c
6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
7 * Copyright (C) 2008 Andy Walls <awalls@radix.net>
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.
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.
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
25 #include "cx18-driver.h"
27 #include "cx18-version.h"
28 #include "cx18-mailbox.h"
30 #include "cx18-queue.h"
31 #include "cx18-fileops.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>
45 u16 cx18_service2vbi(int 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;
55 return CX18_SLICED_TYPE_VPS;
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)
64 return (is_pal && line >= 6 &&
65 ((field == 0 && line <= 23) || (field == 1 && line <= 22))) ||
66 (!is_pal && line >= 10 && line < 22);
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
76 static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
78 u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
81 set = set & valid_set;
82 if (set == 0 || !valid_service_line(field, line, is_pal))
85 if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
86 return V4L2_SLICED_CAPTION_525;
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;
95 for (i = 0; i < 32; i++) {
103 * Expand the service_set of *fmt into valid service_lines for the std,
104 * and clear the passed in fmt->service_set
106 void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
108 u16 set = fmt->service_set;
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);
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
122 static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
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];
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)
142 for (f = 0; f < 2; f++) {
143 for (l = 0; l < 24; l++)
144 set |= fmt->service_lines[f][l];
149 static int cx18_g_fmt_vid_cap(struct file *file, void *fh,
150 struct v4l2_format *fmt)
152 struct cx18_open_id *id = fh;
153 struct cx18 *cx = id->cx;
154 struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
156 pixfmt->width = cx->params.width;
157 pixfmt->height = cx->params.height;
158 pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
159 pixfmt->field = V4L2_FIELD_INTERLACED;
161 if (id->type == CX18_ENC_STREAM_TYPE_YUV) {
162 pixfmt->pixelformat = V4L2_PIX_FMT_HM12;
163 /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
165 pixfmt->height * pixfmt->width +
166 pixfmt->height * (pixfmt->width / 2);
167 pixfmt->bytesperline = 720;
169 pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
170 pixfmt->sizeimage = 128 * 1024;
171 pixfmt->bytesperline = 0;
176 static int cx18_g_fmt_vbi_cap(struct file *file, void *fh,
177 struct v4l2_format *fmt)
179 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
180 struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
182 vbifmt->sampling_rate = 27000000;
183 vbifmt->offset = 248; /* FIXME - slightly wrong for both 50 & 60 Hz */
184 vbifmt->samples_per_line = vbi_active_samples - 4;
185 vbifmt->sample_format = V4L2_PIX_FMT_GREY;
186 vbifmt->start[0] = cx->vbi.start[0];
187 vbifmt->start[1] = cx->vbi.start[1];
188 vbifmt->count[0] = vbifmt->count[1] = cx->vbi.count;
190 vbifmt->reserved[0] = 0;
191 vbifmt->reserved[1] = 0;
195 static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh,
196 struct v4l2_format *fmt)
198 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
199 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
201 /* sane, V4L2 spec compliant, defaults */
202 vbifmt->reserved[0] = 0;
203 vbifmt->reserved[1] = 0;
204 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
205 memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines));
206 vbifmt->service_set = 0;
209 * Fetch the configured service_lines and total service_set from the
210 * digitizer/slicer. Note, cx18_av_vbi() wipes the passed in
211 * fmt->fmt.sliced under valid calling conditions
213 if (cx18_av_cmd(cx, VIDIOC_G_FMT, fmt))
216 /* Ensure V4L2 spec compliant output */
217 vbifmt->reserved[0] = 0;
218 vbifmt->reserved[1] = 0;
219 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
220 vbifmt->service_set = cx18_get_service_set(vbifmt);
224 static int cx18_try_fmt_vid_cap(struct file *file, void *fh,
225 struct v4l2_format *fmt)
227 struct cx18_open_id *id = fh;
228 struct cx18 *cx = id->cx;
229 int w = fmt->fmt.pix.width;
230 int h = fmt->fmt.pix.height;
234 h = min(h, cx->is_50hz ? 576 : 480);
236 cx18_g_fmt_vid_cap(file, fh, fmt);
237 fmt->fmt.pix.width = w;
238 fmt->fmt.pix.height = h;
242 static int cx18_try_fmt_vbi_cap(struct file *file, void *fh,
243 struct v4l2_format *fmt)
245 return cx18_g_fmt_vbi_cap(file, fh, fmt);
248 static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh,
249 struct v4l2_format *fmt)
251 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
252 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
254 vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36;
255 vbifmt->reserved[0] = 0;
256 vbifmt->reserved[1] = 0;
258 /* If given a service set, expand it validly & clear passed in set */
259 if (vbifmt->service_set)
260 cx18_expand_service_set(vbifmt, cx->is_50hz);
261 /* Sanitize the service_lines, and compute the new set if any valid */
262 if (check_service_set(vbifmt, cx->is_50hz))
263 vbifmt->service_set = cx18_get_service_set(vbifmt);
267 static int cx18_s_fmt_vid_cap(struct file *file, void *fh,
268 struct v4l2_format *fmt)
270 struct cx18_open_id *id = fh;
271 struct cx18 *cx = id->cx;
275 ret = v4l2_prio_check(&cx->prio, &id->prio);
279 ret = cx18_try_fmt_vid_cap(file, fh, fmt);
282 w = fmt->fmt.pix.width;
283 h = fmt->fmt.pix.height;
285 if (cx->params.width == w && cx->params.height == h)
288 if (atomic_read(&cx->ana_capturing) > 0)
291 cx->params.width = w;
292 cx->params.height = h;
293 cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
294 return cx18_g_fmt_vid_cap(file, fh, fmt);
297 static int cx18_s_fmt_vbi_cap(struct file *file, void *fh,
298 struct v4l2_format *fmt)
300 struct cx18_open_id *id = fh;
301 struct cx18 *cx = id->cx;
304 ret = v4l2_prio_check(&cx->prio, &id->prio);
309 * Changing the Encoder's Raw VBI parameters won't have any effect
310 * if any analog capture is ongoing
312 if (!cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
316 * Set the digitizer registers for raw active VBI.
317 * Note cx18_av_vbi_wipes out alot of the passed in fmt under valid
320 ret = cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
324 /* Store our new v4l2 (non-)sliced VBI state */
325 cx->vbi.sliced_in->service_set = 0;
326 cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
328 return cx18_g_fmt_vbi_cap(file, fh, fmt);
331 static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
332 struct v4l2_format *fmt)
334 struct cx18_open_id *id = fh;
335 struct cx18 *cx = id->cx;
337 struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
339 ret = v4l2_prio_check(&cx->prio, &id->prio);
343 cx18_try_fmt_sliced_vbi_cap(file, fh, fmt);
346 * Changing the Encoder's Raw VBI parameters won't have any effect
347 * if any analog capture is ongoing
349 if (cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0)
353 * Set the service_lines requested in the digitizer/slicer registers.
354 * Note, cx18_av_vbi() wipes some "impossible" service lines in the
355 * passed in fmt->fmt.sliced under valid calling conditions
357 ret = cx18_av_cmd(cx, VIDIOC_S_FMT, fmt);
360 /* Store our current v4l2 sliced VBI settings */
361 cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
362 memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in));
366 static int cx18_g_chip_ident(struct file *file, void *fh,
367 struct v4l2_dbg_chip_ident *chip)
369 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
371 chip->ident = V4L2_IDENT_NONE;
373 if (v4l2_chip_match_host(&chip->match)) {
374 chip->ident = V4L2_IDENT_CX23418;
377 cx18_call_i2c_clients(cx, VIDIOC_DBG_G_CHIP_IDENT, chip);
381 #ifdef CONFIG_VIDEO_ADV_DEBUG
382 static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg)
384 struct v4l2_dbg_register *regs = arg;
387 if (!capable(CAP_SYS_ADMIN))
389 if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
392 spin_lock_irqsave(&cx18_cards_lock, flags);
394 if (cmd == VIDIOC_DBG_G_REGISTER)
395 regs->val = cx18_read_enc(cx, regs->reg);
397 cx18_write_enc(cx, regs->val, regs->reg);
398 spin_unlock_irqrestore(&cx18_cards_lock, flags);
402 static int cx18_g_register(struct file *file, void *fh,
403 struct v4l2_dbg_register *reg)
405 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
407 if (v4l2_chip_match_host(®->match))
408 return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg);
409 cx18_call_i2c_clients(cx, VIDIOC_DBG_G_REGISTER, reg);
413 static int cx18_s_register(struct file *file, void *fh,
414 struct v4l2_dbg_register *reg)
416 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
418 if (v4l2_chip_match_host(®->match))
419 return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg);
420 cx18_call_i2c_clients(cx, VIDIOC_DBG_S_REGISTER, reg);
425 static int cx18_g_priority(struct file *file, void *fh, enum v4l2_priority *p)
427 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
429 *p = v4l2_prio_max(&cx->prio);
433 static int cx18_s_priority(struct file *file, void *fh, enum v4l2_priority prio)
435 struct cx18_open_id *id = fh;
436 struct cx18 *cx = id->cx;
438 return v4l2_prio_change(&cx->prio, &id->prio, prio);
441 static int cx18_querycap(struct file *file, void *fh,
442 struct v4l2_capability *vcap)
444 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
446 strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
447 strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
448 snprintf(vcap->bus_info, sizeof(vcap->bus_info),
449 "PCI:%s", pci_name(cx->pci_dev));
450 vcap->version = CX18_DRIVER_VERSION; /* version */
451 vcap->capabilities = cx->v4l2_cap; /* capabilities */
455 static int cx18_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
457 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
459 return cx18_get_audio_input(cx, vin->index, vin);
462 static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
464 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
466 vin->index = cx->audio_input;
467 return cx18_get_audio_input(cx, vin->index, vin);
470 static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
472 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
474 if (vout->index >= cx->nof_audio_inputs)
476 cx->audio_input = vout->index;
477 cx18_audio_set_io(cx);
481 static int cx18_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
483 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
485 /* set it to defaults from our table */
486 return cx18_get_input(cx, vin->index, vin);
489 static int cx18_cropcap(struct file *file, void *fh,
490 struct v4l2_cropcap *cropcap)
492 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
494 if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
496 cropcap->bounds.top = cropcap->bounds.left = 0;
497 cropcap->bounds.width = 720;
498 cropcap->bounds.height = cx->is_50hz ? 576 : 480;
499 cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10;
500 cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11;
501 cropcap->defrect = cropcap->bounds;
505 static int cx18_s_crop(struct file *file, void *fh, struct v4l2_crop *crop)
507 struct cx18_open_id *id = fh;
508 struct cx18 *cx = id->cx;
511 ret = v4l2_prio_check(&cx->prio, &id->prio);
515 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
517 return cx18_av_cmd(cx, VIDIOC_S_CROP, crop);
520 static int cx18_g_crop(struct file *file, void *fh, struct v4l2_crop *crop)
522 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
524 if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
526 return cx18_av_cmd(cx, VIDIOC_G_CROP, crop);
529 static int cx18_enum_fmt_vid_cap(struct file *file, void *fh,
530 struct v4l2_fmtdesc *fmt)
532 static struct v4l2_fmtdesc formats[] = {
533 { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
534 "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
536 { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
537 "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
543 *fmt = formats[fmt->index];
547 static int cx18_g_input(struct file *file, void *fh, unsigned int *i)
549 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
551 *i = cx->active_input;
555 int cx18_s_input(struct file *file, void *fh, unsigned int inp)
557 struct cx18_open_id *id = fh;
558 struct cx18 *cx = id->cx;
561 ret = v4l2_prio_check(&cx->prio, &id->prio);
565 if (inp < 0 || inp >= cx->nof_inputs)
568 if (inp == cx->active_input) {
569 CX18_DEBUG_INFO("Input unchanged\n");
573 CX18_DEBUG_INFO("Changing input from %d to %d\n",
574 cx->active_input, inp);
576 cx->active_input = inp;
577 /* Set the audio input to whatever is appropriate for the input type. */
578 cx->audio_input = cx->card->video_inputs[inp].audio_index;
580 /* prevent others from messing with the streams until
581 we're finished changing inputs. */
583 cx18_video_set_io(cx);
584 cx18_audio_set_io(cx);
589 static int cx18_g_frequency(struct file *file, void *fh,
590 struct v4l2_frequency *vf)
592 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
597 cx18_call_i2c_clients(cx, VIDIOC_G_FREQUENCY, vf);
601 int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
603 struct cx18_open_id *id = fh;
604 struct cx18 *cx = id->cx;
607 ret = v4l2_prio_check(&cx->prio, &id->prio);
615 CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency);
616 cx18_call_i2c_clients(cx, VIDIOC_S_FREQUENCY, vf);
621 static int cx18_g_std(struct file *file, void *fh, v4l2_std_id *std)
623 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
629 int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std)
631 struct cx18_open_id *id = fh;
632 struct cx18 *cx = id->cx;
635 ret = v4l2_prio_check(&cx->prio, &id->prio);
639 if ((*std & V4L2_STD_ALL) == 0)
645 if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ||
646 atomic_read(&cx->ana_capturing) > 0) {
647 /* Switching standard would turn off the radio or mess
648 with already running streams, prevent that by
654 cx->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0;
655 cx->params.is_50hz = cx->is_50hz = !cx->is_60hz;
656 cx->params.width = 720;
657 cx->params.height = cx->is_50hz ? 576 : 480;
658 cx->vbi.count = cx->is_50hz ? 18 : 12;
659 cx->vbi.start[0] = cx->is_50hz ? 6 : 10;
660 cx->vbi.start[1] = cx->is_50hz ? 318 : 273;
661 CX18_DEBUG_INFO("Switching standard to %llx.\n",
662 (unsigned long long) cx->std);
665 cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std);
669 static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
671 struct cx18_open_id *id = fh;
672 struct cx18 *cx = id->cx;
675 ret = v4l2_prio_check(&cx->prio, &id->prio);
682 /* Setting tuner can only set audio mode */
683 cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt);
688 static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
690 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
695 cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt);
697 if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
698 strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
699 vt->type = V4L2_TUNER_RADIO;
701 strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
702 vt->type = V4L2_TUNER_ANALOG_TV;
708 static int cx18_g_sliced_vbi_cap(struct file *file, void *fh,
709 struct v4l2_sliced_vbi_cap *cap)
711 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
712 int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
715 if (cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
718 cap->service_set = 0;
719 for (f = 0; f < 2; f++) {
720 for (l = 0; l < 24; l++) {
721 if (valid_service_line(f, l, cx->is_50hz)) {
723 * We can find all v4l2 supported vbi services
724 * for the standard, on a valid line for the std
726 cap->service_lines[f][l] = set;
727 cap->service_set |= set;
729 cap->service_lines[f][l] = 0;
732 for (f = 0; f < 3; f++)
733 cap->reserved[f] = 0;
737 static int cx18_g_enc_index(struct file *file, void *fh,
738 struct v4l2_enc_idx *idx)
743 static int cx18_encoder_cmd(struct file *file, void *fh,
744 struct v4l2_encoder_cmd *enc)
746 struct cx18_open_id *id = fh;
747 struct cx18 *cx = id->cx;
751 case V4L2_ENC_CMD_START:
752 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
754 return cx18_start_capture(id);
756 case V4L2_ENC_CMD_STOP:
757 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
758 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
759 cx18_stop_capture(id,
760 enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
763 case V4L2_ENC_CMD_PAUSE:
764 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
766 if (!atomic_read(&cx->ana_capturing))
768 if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
770 h = cx18_find_handle(cx);
771 if (h == CX18_INVALID_TASK_HANDLE) {
772 CX18_ERR("Can't find valid task handle for "
773 "V4L2_ENC_CMD_PAUSE\n");
777 cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, h);
780 case V4L2_ENC_CMD_RESUME:
781 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
783 if (!atomic_read(&cx->ana_capturing))
785 if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags))
787 h = cx18_find_handle(cx);
788 if (h == CX18_INVALID_TASK_HANDLE) {
789 CX18_ERR("Can't find valid task handle for "
790 "V4L2_ENC_CMD_RESUME\n");
793 cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, h);
798 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
804 static int cx18_try_encoder_cmd(struct file *file, void *fh,
805 struct v4l2_encoder_cmd *enc)
807 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
810 case V4L2_ENC_CMD_START:
811 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
815 case V4L2_ENC_CMD_STOP:
816 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
817 enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
820 case V4L2_ENC_CMD_PAUSE:
821 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
825 case V4L2_ENC_CMD_RESUME:
826 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
831 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc->cmd);
837 static int cx18_log_status(struct file *file, void *fh)
839 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
840 struct v4l2_input vidin;
841 struct v4l2_audio audin;
844 CX18_INFO("================= START STATUS CARD #%d "
845 "=================\n", cx->num);
846 CX18_INFO("Version: %s Card: %s\n", CX18_VERSION, cx->card_name);
847 if (cx->hw_flags & CX18_HW_TVEEPROM) {
850 cx18_read_eeprom(cx, &tv);
852 cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL);
853 cx18_get_input(cx, cx->active_input, &vidin);
854 cx18_get_audio_input(cx, cx->audio_input, &audin);
855 CX18_INFO("Video Input: %s\n", vidin.name);
856 CX18_INFO("Audio Input: %s\n", audin.name);
857 mutex_lock(&cx->gpio_lock);
858 CX18_INFO("GPIO: direction 0x%08x, value 0x%08x\n",
859 cx->gpio_dir, cx->gpio_val);
860 mutex_unlock(&cx->gpio_lock);
861 CX18_INFO("Tuner: %s\n",
862 test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? "Radio" : "TV");
863 cx2341x_log_status(&cx->params, cx->name);
864 CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags);
865 for (i = 0; i < CX18_MAX_STREAMS; i++) {
866 struct cx18_stream *s = &cx->streams[i];
868 if (s->video_dev == NULL || s->buffers == 0)
870 CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
872 atomic_read(&s->q_full.buffers) * 100 / s->buffers,
873 (s->buffers * s->buf_size) / 1024, s->buffers);
875 CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
876 (long long)cx->mpg_data_received,
877 (long long)cx->vbi_data_inserted);
878 CX18_INFO("================== END STATUS CARD #%d ==================\n", cx->num);
882 static long cx18_default(struct file *file, void *fh, int cmd, void *arg)
884 struct cx18 *cx = ((struct cx18_open_id *)fh)->cx;
887 case VIDIOC_INT_S_AUDIO_ROUTING: {
888 struct v4l2_routing *route = arg;
890 CX18_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING(%d, %d)\n",
891 route->input, route->output);
892 cx18_audio_set_route(cx, route);
896 case VIDIOC_INT_RESET: {
897 u32 val = *(u32 *)arg;
899 if ((val == 0) || (val & 0x01))
900 cx18_reset_ir_gpio(&cx->i2c_algo_cb_data[0]);
910 long cx18_v4l2_ioctl(struct file *filp, unsigned int cmd,
913 struct video_device *vfd = video_devdata(filp);
914 struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data;
915 struct cx18 *cx = id->cx;
918 mutex_lock(&cx->serialize_lock);
920 if (cx18_debug & CX18_DBGFLG_IOCTL)
921 vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG;
922 res = video_ioctl2(filp, cmd, arg);
924 mutex_unlock(&cx->serialize_lock);
928 static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
929 .vidioc_querycap = cx18_querycap,
930 .vidioc_g_priority = cx18_g_priority,
931 .vidioc_s_priority = cx18_s_priority,
932 .vidioc_s_audio = cx18_s_audio,
933 .vidioc_g_audio = cx18_g_audio,
934 .vidioc_enumaudio = cx18_enumaudio,
935 .vidioc_enum_input = cx18_enum_input,
936 .vidioc_cropcap = cx18_cropcap,
937 .vidioc_s_crop = cx18_s_crop,
938 .vidioc_g_crop = cx18_g_crop,
939 .vidioc_g_input = cx18_g_input,
940 .vidioc_s_input = cx18_s_input,
941 .vidioc_g_frequency = cx18_g_frequency,
942 .vidioc_s_frequency = cx18_s_frequency,
943 .vidioc_s_tuner = cx18_s_tuner,
944 .vidioc_g_tuner = cx18_g_tuner,
945 .vidioc_g_enc_index = cx18_g_enc_index,
946 .vidioc_g_std = cx18_g_std,
947 .vidioc_s_std = cx18_s_std,
948 .vidioc_log_status = cx18_log_status,
949 .vidioc_enum_fmt_vid_cap = cx18_enum_fmt_vid_cap,
950 .vidioc_encoder_cmd = cx18_encoder_cmd,
951 .vidioc_try_encoder_cmd = cx18_try_encoder_cmd,
952 .vidioc_g_fmt_vid_cap = cx18_g_fmt_vid_cap,
953 .vidioc_g_fmt_vbi_cap = cx18_g_fmt_vbi_cap,
954 .vidioc_g_fmt_sliced_vbi_cap = cx18_g_fmt_sliced_vbi_cap,
955 .vidioc_s_fmt_vid_cap = cx18_s_fmt_vid_cap,
956 .vidioc_s_fmt_vbi_cap = cx18_s_fmt_vbi_cap,
957 .vidioc_s_fmt_sliced_vbi_cap = cx18_s_fmt_sliced_vbi_cap,
958 .vidioc_try_fmt_vid_cap = cx18_try_fmt_vid_cap,
959 .vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap,
960 .vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap,
961 .vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap,
962 .vidioc_g_chip_ident = cx18_g_chip_ident,
963 #ifdef CONFIG_VIDEO_ADV_DEBUG
964 .vidioc_g_register = cx18_g_register,
965 .vidioc_s_register = cx18_s_register,
967 .vidioc_default = cx18_default,
968 .vidioc_queryctrl = cx18_queryctrl,
969 .vidioc_querymenu = cx18_querymenu,
970 .vidioc_g_ext_ctrls = cx18_g_ext_ctrls,
971 .vidioc_s_ext_ctrls = cx18_s_ext_ctrls,
972 .vidioc_try_ext_ctrls = cx18_try_ext_ctrls,
975 void cx18_set_funcs(struct video_device *vdev)
977 vdev->ioctl_ops = &cx18_ioctl_ops;