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@md.metrocast.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>
44 u16
cx18_service2vbi(int type
)
47 case V4L2_SLICED_TELETEXT_B
:
48 return CX18_SLICED_TYPE_TELETEXT_B
;
49 case V4L2_SLICED_CAPTION_525
:
50 return CX18_SLICED_TYPE_CAPTION_525
;
51 case V4L2_SLICED_WSS_625
:
52 return CX18_SLICED_TYPE_WSS_625
;
54 return CX18_SLICED_TYPE_VPS
;
60 /* Check if VBI services are allowed on the (field, line) for the video std */
61 static int valid_service_line(int field
, int line
, int is_pal
)
63 return (is_pal
&& line
>= 6 &&
64 ((field
== 0 && line
<= 23) || (field
== 1 && line
<= 22))) ||
65 (!is_pal
&& line
>= 10 && line
< 22);
69 * For a (field, line, std) and inbound potential set of services for that line,
70 * return the first valid service of those passed in the incoming set for that
71 * line in priority order:
72 * CC, VPS, or WSS over TELETEXT for well known lines
73 * TELETEXT, before VPS, before CC, before WSS, for other lines
75 static u16
select_service_from_set(int field
, int line
, u16 set
, int is_pal
)
77 u16 valid_set
= (is_pal
? V4L2_SLICED_VBI_625
: V4L2_SLICED_VBI_525
);
80 set
= set
& valid_set
;
81 if (set
== 0 || !valid_service_line(field
, line
, is_pal
))
84 if (line
== 21 && (set
& V4L2_SLICED_CAPTION_525
))
85 return V4L2_SLICED_CAPTION_525
;
87 if (line
== 16 && field
== 0 && (set
& V4L2_SLICED_VPS
))
88 return V4L2_SLICED_VPS
;
89 if (line
== 23 && field
== 0 && (set
& V4L2_SLICED_WSS_625
))
90 return V4L2_SLICED_WSS_625
;
94 for (i
= 0; i
< 32; i
++) {
102 * Expand the service_set of *fmt into valid service_lines for the std,
103 * and clear the passed in fmt->service_set
105 void cx18_expand_service_set(struct v4l2_sliced_vbi_format
*fmt
, int is_pal
)
107 u16 set
= fmt
->service_set
;
110 fmt
->service_set
= 0;
111 for (f
= 0; f
< 2; f
++) {
112 for (l
= 0; l
< 24; l
++)
113 fmt
->service_lines
[f
][l
] = select_service_from_set(f
, l
, set
, is_pal
);
118 * Sanitize the service_lines in *fmt per the video std, and return 1
119 * if any service_line is left as valid after santization
121 static int check_service_set(struct v4l2_sliced_vbi_format
*fmt
, int is_pal
)
126 for (f
= 0; f
< 2; f
++) {
127 for (l
= 0; l
< 24; l
++) {
128 fmt
->service_lines
[f
][l
] = select_service_from_set(f
, l
, fmt
->service_lines
[f
][l
], is_pal
);
129 set
|= fmt
->service_lines
[f
][l
];
135 /* Compute the service_set from the assumed valid service_lines of *fmt */
136 u16
cx18_get_service_set(struct v4l2_sliced_vbi_format
*fmt
)
141 for (f
= 0; f
< 2; f
++) {
142 for (l
= 0; l
< 24; l
++)
143 set
|= fmt
->service_lines
[f
][l
];
148 static int cx18_g_fmt_vid_cap(struct file
*file
, void *fh
,
149 struct v4l2_format
*fmt
)
151 struct cx18_open_id
*id
= fh
;
152 struct cx18
*cx
= id
->cx
;
153 struct v4l2_pix_format
*pixfmt
= &fmt
->fmt
.pix
;
155 pixfmt
->width
= cx
->params
.width
;
156 pixfmt
->height
= cx
->params
.height
;
157 pixfmt
->colorspace
= V4L2_COLORSPACE_SMPTE170M
;
158 pixfmt
->field
= V4L2_FIELD_INTERLACED
;
160 if (id
->type
== CX18_ENC_STREAM_TYPE_YUV
) {
161 pixfmt
->pixelformat
= V4L2_PIX_FMT_HM12
;
162 /* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
163 pixfmt
->sizeimage
= pixfmt
->height
* 720 * 3 / 2;
164 pixfmt
->bytesperline
= 720;
166 pixfmt
->pixelformat
= V4L2_PIX_FMT_MPEG
;
167 pixfmt
->sizeimage
= 128 * 1024;
168 pixfmt
->bytesperline
= 0;
173 static int cx18_g_fmt_vbi_cap(struct file
*file
, void *fh
,
174 struct v4l2_format
*fmt
)
176 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
177 struct v4l2_vbi_format
*vbifmt
= &fmt
->fmt
.vbi
;
179 vbifmt
->sampling_rate
= 27000000;
180 vbifmt
->offset
= 248; /* FIXME - slightly wrong for both 50 & 60 Hz */
181 vbifmt
->samples_per_line
= vbi_active_samples
- 4;
182 vbifmt
->sample_format
= V4L2_PIX_FMT_GREY
;
183 vbifmt
->start
[0] = cx
->vbi
.start
[0];
184 vbifmt
->start
[1] = cx
->vbi
.start
[1];
185 vbifmt
->count
[0] = vbifmt
->count
[1] = cx
->vbi
.count
;
187 vbifmt
->reserved
[0] = 0;
188 vbifmt
->reserved
[1] = 0;
192 static int cx18_g_fmt_sliced_vbi_cap(struct file
*file
, void *fh
,
193 struct v4l2_format
*fmt
)
195 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
196 struct v4l2_sliced_vbi_format
*vbifmt
= &fmt
->fmt
.sliced
;
198 /* sane, V4L2 spec compliant, defaults */
199 vbifmt
->reserved
[0] = 0;
200 vbifmt
->reserved
[1] = 0;
201 vbifmt
->io_size
= sizeof(struct v4l2_sliced_vbi_data
) * 36;
202 memset(vbifmt
->service_lines
, 0, sizeof(vbifmt
->service_lines
));
203 vbifmt
->service_set
= 0;
206 * Fetch the configured service_lines and total service_set from the
207 * digitizer/slicer. Note, cx18_av_vbi() wipes the passed in
208 * fmt->fmt.sliced under valid calling conditions
210 if (v4l2_subdev_call(cx
->sd_av
, vbi
, g_sliced_fmt
, &fmt
->fmt
.sliced
))
213 /* Ensure V4L2 spec compliant output */
214 vbifmt
->reserved
[0] = 0;
215 vbifmt
->reserved
[1] = 0;
216 vbifmt
->io_size
= sizeof(struct v4l2_sliced_vbi_data
) * 36;
217 vbifmt
->service_set
= cx18_get_service_set(vbifmt
);
221 static int cx18_try_fmt_vid_cap(struct file
*file
, void *fh
,
222 struct v4l2_format
*fmt
)
224 struct cx18_open_id
*id
= fh
;
225 struct cx18
*cx
= id
->cx
;
226 int w
= fmt
->fmt
.pix
.width
;
227 int h
= fmt
->fmt
.pix
.height
;
232 if (id
->type
== CX18_ENC_STREAM_TYPE_YUV
) {
233 /* YUV height must be a multiple of 32 */
237 h
= min(h
, cx
->is_50hz
? 576 : 480);
240 cx18_g_fmt_vid_cap(file
, fh
, fmt
);
241 fmt
->fmt
.pix
.width
= w
;
242 fmt
->fmt
.pix
.height
= h
;
246 static int cx18_try_fmt_vbi_cap(struct file
*file
, void *fh
,
247 struct v4l2_format
*fmt
)
249 return cx18_g_fmt_vbi_cap(file
, fh
, fmt
);
252 static int cx18_try_fmt_sliced_vbi_cap(struct file
*file
, void *fh
,
253 struct v4l2_format
*fmt
)
255 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
256 struct v4l2_sliced_vbi_format
*vbifmt
= &fmt
->fmt
.sliced
;
258 vbifmt
->io_size
= sizeof(struct v4l2_sliced_vbi_data
) * 36;
259 vbifmt
->reserved
[0] = 0;
260 vbifmt
->reserved
[1] = 0;
262 /* If given a service set, expand it validly & clear passed in set */
263 if (vbifmt
->service_set
)
264 cx18_expand_service_set(vbifmt
, cx
->is_50hz
);
265 /* Sanitize the service_lines, and compute the new set if any valid */
266 if (check_service_set(vbifmt
, cx
->is_50hz
))
267 vbifmt
->service_set
= cx18_get_service_set(vbifmt
);
271 static int cx18_s_fmt_vid_cap(struct file
*file
, void *fh
,
272 struct v4l2_format
*fmt
)
274 struct cx18_open_id
*id
= fh
;
275 struct cx18
*cx
= id
->cx
;
276 struct v4l2_mbus_framefmt mbus_fmt
;
280 ret
= v4l2_prio_check(&cx
->prio
, id
->prio
);
284 ret
= cx18_try_fmt_vid_cap(file
, fh
, fmt
);
287 w
= fmt
->fmt
.pix
.width
;
288 h
= fmt
->fmt
.pix
.height
;
290 if (cx
->params
.width
== w
&& cx
->params
.height
== h
)
293 if (atomic_read(&cx
->ana_capturing
) > 0)
296 mbus_fmt
.width
= cx
->params
.width
= w
;
297 mbus_fmt
.height
= cx
->params
.height
= h
;
298 mbus_fmt
.code
= V4L2_MBUS_FMT_FIXED
;
299 v4l2_subdev_call(cx
->sd_av
, video
, s_mbus_fmt
, &mbus_fmt
);
300 return cx18_g_fmt_vid_cap(file
, fh
, fmt
);
303 static int cx18_s_fmt_vbi_cap(struct file
*file
, void *fh
,
304 struct v4l2_format
*fmt
)
306 struct cx18_open_id
*id
= fh
;
307 struct cx18
*cx
= id
->cx
;
310 ret
= v4l2_prio_check(&cx
->prio
, id
->prio
);
315 * Changing the Encoder's Raw VBI parameters won't have any effect
316 * if any analog capture is ongoing
318 if (!cx18_raw_vbi(cx
) && atomic_read(&cx
->ana_capturing
) > 0)
322 * Set the digitizer registers for raw active VBI.
323 * Note cx18_av_vbi_wipes out alot of the passed in fmt under valid
326 ret
= v4l2_subdev_call(cx
->sd_av
, vbi
, s_raw_fmt
, &fmt
->fmt
.vbi
);
330 /* Store our new v4l2 (non-)sliced VBI state */
331 cx
->vbi
.sliced_in
->service_set
= 0;
332 cx
->vbi
.in
.type
= V4L2_BUF_TYPE_VBI_CAPTURE
;
334 return cx18_g_fmt_vbi_cap(file
, fh
, fmt
);
337 static int cx18_s_fmt_sliced_vbi_cap(struct file
*file
, void *fh
,
338 struct v4l2_format
*fmt
)
340 struct cx18_open_id
*id
= fh
;
341 struct cx18
*cx
= id
->cx
;
343 struct v4l2_sliced_vbi_format
*vbifmt
= &fmt
->fmt
.sliced
;
345 ret
= v4l2_prio_check(&cx
->prio
, id
->prio
);
349 cx18_try_fmt_sliced_vbi_cap(file
, fh
, fmt
);
352 * Changing the Encoder's Raw VBI parameters won't have any effect
353 * if any analog capture is ongoing
355 if (cx18_raw_vbi(cx
) && atomic_read(&cx
->ana_capturing
) > 0)
359 * Set the service_lines requested in the digitizer/slicer registers.
360 * Note, cx18_av_vbi() wipes some "impossible" service lines in the
361 * passed in fmt->fmt.sliced under valid calling conditions
363 ret
= v4l2_subdev_call(cx
->sd_av
, vbi
, s_sliced_fmt
, &fmt
->fmt
.sliced
);
366 /* Store our current v4l2 sliced VBI settings */
367 cx
->vbi
.in
.type
= V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
;
368 memcpy(cx
->vbi
.sliced_in
, vbifmt
, sizeof(*cx
->vbi
.sliced_in
));
372 static int cx18_g_chip_ident(struct file
*file
, void *fh
,
373 struct v4l2_dbg_chip_ident
*chip
)
375 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
378 chip
->ident
= V4L2_IDENT_NONE
;
380 switch (chip
->match
.type
) {
381 case V4L2_CHIP_MATCH_HOST
:
382 switch (chip
->match
.addr
) {
384 chip
->ident
= V4L2_IDENT_CX23418
;
385 chip
->revision
= cx18_read_reg(cx
, 0xC72028);
389 * The A/V decoder is always present, but in the rare
390 * case that the card doesn't have analog, we don't
391 * use it. We find it w/o using the cx->sd_av pointer
393 cx18_call_hw(cx
, CX18_HW_418_AV
,
394 core
, g_chip_ident
, chip
);
398 * Could return ident = V4L2_IDENT_UNKNOWN if we had
399 * other host chips at higher addresses, but we don't
401 err
= -EINVAL
; /* per V4L2 spec */
405 case V4L2_CHIP_MATCH_I2C_DRIVER
:
406 /* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */
407 cx18_call_all(cx
, core
, g_chip_ident
, chip
);
409 case V4L2_CHIP_MATCH_I2C_ADDR
:
411 * We could return V4L2_IDENT_UNKNOWN, but we don't do the work
412 * to look if a chip is at the address with no driver. That's a
413 * dangerous thing to do with EEPROMs anyway.
415 cx18_call_all(cx
, core
, g_chip_ident
, chip
);
424 #ifdef CONFIG_VIDEO_ADV_DEBUG
425 static int cx18_cxc(struct cx18
*cx
, unsigned int cmd
, void *arg
)
427 struct v4l2_dbg_register
*regs
= arg
;
429 if (!capable(CAP_SYS_ADMIN
))
431 if (regs
->reg
>= CX18_MEM_OFFSET
+ CX18_MEM_SIZE
)
435 if (cmd
== VIDIOC_DBG_S_REGISTER
)
436 cx18_write_enc(cx
, regs
->val
, regs
->reg
);
438 regs
->val
= cx18_read_enc(cx
, regs
->reg
);
442 static int cx18_g_register(struct file
*file
, void *fh
,
443 struct v4l2_dbg_register
*reg
)
445 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
447 if (v4l2_chip_match_host(®
->match
))
448 return cx18_cxc(cx
, VIDIOC_DBG_G_REGISTER
, reg
);
449 /* FIXME - errors shouldn't be ignored */
450 cx18_call_all(cx
, core
, g_register
, reg
);
454 static int cx18_s_register(struct file
*file
, void *fh
,
455 struct v4l2_dbg_register
*reg
)
457 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
459 if (v4l2_chip_match_host(®
->match
))
460 return cx18_cxc(cx
, VIDIOC_DBG_S_REGISTER
, reg
);
461 /* FIXME - errors shouldn't be ignored */
462 cx18_call_all(cx
, core
, s_register
, reg
);
467 static int cx18_g_priority(struct file
*file
, void *fh
, enum v4l2_priority
*p
)
469 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
471 *p
= v4l2_prio_max(&cx
->prio
);
475 static int cx18_s_priority(struct file
*file
, void *fh
, enum v4l2_priority prio
)
477 struct cx18_open_id
*id
= fh
;
478 struct cx18
*cx
= id
->cx
;
480 return v4l2_prio_change(&cx
->prio
, &id
->prio
, prio
);
483 static int cx18_querycap(struct file
*file
, void *fh
,
484 struct v4l2_capability
*vcap
)
486 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
488 strlcpy(vcap
->driver
, CX18_DRIVER_NAME
, sizeof(vcap
->driver
));
489 strlcpy(vcap
->card
, cx
->card_name
, sizeof(vcap
->card
));
490 snprintf(vcap
->bus_info
, sizeof(vcap
->bus_info
),
491 "PCI:%s", pci_name(cx
->pci_dev
));
492 vcap
->version
= CX18_DRIVER_VERSION
; /* version */
493 vcap
->capabilities
= cx
->v4l2_cap
; /* capabilities */
497 static int cx18_enumaudio(struct file
*file
, void *fh
, struct v4l2_audio
*vin
)
499 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
501 return cx18_get_audio_input(cx
, vin
->index
, vin
);
504 static int cx18_g_audio(struct file
*file
, void *fh
, struct v4l2_audio
*vin
)
506 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
508 vin
->index
= cx
->audio_input
;
509 return cx18_get_audio_input(cx
, vin
->index
, vin
);
512 static int cx18_s_audio(struct file
*file
, void *fh
, struct v4l2_audio
*vout
)
514 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
516 if (vout
->index
>= cx
->nof_audio_inputs
)
518 cx
->audio_input
= vout
->index
;
519 cx18_audio_set_io(cx
);
523 static int cx18_enum_input(struct file
*file
, void *fh
, struct v4l2_input
*vin
)
525 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
527 /* set it to defaults from our table */
528 return cx18_get_input(cx
, vin
->index
, vin
);
531 static int cx18_cropcap(struct file
*file
, void *fh
,
532 struct v4l2_cropcap
*cropcap
)
534 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
536 if (cropcap
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
538 cropcap
->bounds
.top
= cropcap
->bounds
.left
= 0;
539 cropcap
->bounds
.width
= 720;
540 cropcap
->bounds
.height
= cx
->is_50hz
? 576 : 480;
541 cropcap
->pixelaspect
.numerator
= cx
->is_50hz
? 59 : 10;
542 cropcap
->pixelaspect
.denominator
= cx
->is_50hz
? 54 : 11;
543 cropcap
->defrect
= cropcap
->bounds
;
547 static int cx18_s_crop(struct file
*file
, void *fh
, struct v4l2_crop
*crop
)
549 struct cx18_open_id
*id
= fh
;
550 struct cx18
*cx
= id
->cx
;
553 ret
= v4l2_prio_check(&cx
->prio
, id
->prio
);
557 if (crop
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
559 CX18_DEBUG_WARN("VIDIOC_S_CROP not implemented\n");
563 static int cx18_g_crop(struct file
*file
, void *fh
, struct v4l2_crop
*crop
)
565 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
567 if (crop
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
569 CX18_DEBUG_WARN("VIDIOC_G_CROP not implemented\n");
573 static int cx18_enum_fmt_vid_cap(struct file
*file
, void *fh
,
574 struct v4l2_fmtdesc
*fmt
)
576 static struct v4l2_fmtdesc formats
[] = {
577 { 0, V4L2_BUF_TYPE_VIDEO_CAPTURE
, 0,
578 "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12
, { 0, 0, 0, 0 }
580 { 1, V4L2_BUF_TYPE_VIDEO_CAPTURE
, V4L2_FMT_FLAG_COMPRESSED
,
581 "MPEG", V4L2_PIX_FMT_MPEG
, { 0, 0, 0, 0 }
587 *fmt
= formats
[fmt
->index
];
591 static int cx18_g_input(struct file
*file
, void *fh
, unsigned int *i
)
593 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
595 *i
= cx
->active_input
;
599 int cx18_s_input(struct file
*file
, void *fh
, unsigned int inp
)
601 struct cx18_open_id
*id
= fh
;
602 struct cx18
*cx
= id
->cx
;
605 ret
= v4l2_prio_check(&cx
->prio
, id
->prio
);
609 if (inp
>= cx
->nof_inputs
)
612 if (inp
== cx
->active_input
) {
613 CX18_DEBUG_INFO("Input unchanged\n");
617 CX18_DEBUG_INFO("Changing input from %d to %d\n",
618 cx
->active_input
, inp
);
620 cx
->active_input
= inp
;
621 /* Set the audio input to whatever is appropriate for the input type. */
622 cx
->audio_input
= cx
->card
->video_inputs
[inp
].audio_index
;
624 /* prevent others from messing with the streams until
625 we're finished changing inputs. */
627 cx18_video_set_io(cx
);
628 cx18_audio_set_io(cx
);
633 static int cx18_g_frequency(struct file
*file
, void *fh
,
634 struct v4l2_frequency
*vf
)
636 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
641 cx18_call_all(cx
, tuner
, g_frequency
, vf
);
645 int cx18_s_frequency(struct file
*file
, void *fh
, struct v4l2_frequency
*vf
)
647 struct cx18_open_id
*id
= fh
;
648 struct cx18
*cx
= id
->cx
;
651 ret
= v4l2_prio_check(&cx
->prio
, id
->prio
);
659 CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf
->frequency
);
660 cx18_call_all(cx
, tuner
, s_frequency
, vf
);
665 static int cx18_g_std(struct file
*file
, void *fh
, v4l2_std_id
*std
)
667 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
673 int cx18_s_std(struct file
*file
, void *fh
, v4l2_std_id
*std
)
675 struct cx18_open_id
*id
= fh
;
676 struct cx18
*cx
= id
->cx
;
679 ret
= v4l2_prio_check(&cx
->prio
, id
->prio
);
683 if ((*std
& V4L2_STD_ALL
) == 0)
689 if (test_bit(CX18_F_I_RADIO_USER
, &cx
->i_flags
) ||
690 atomic_read(&cx
->ana_capturing
) > 0) {
691 /* Switching standard would turn off the radio or mess
692 with already running streams, prevent that by
698 cx
->is_60hz
= (*std
& V4L2_STD_525_60
) ? 1 : 0;
699 cx
->params
.is_50hz
= cx
->is_50hz
= !cx
->is_60hz
;
700 cx
->params
.width
= 720;
701 cx
->params
.height
= cx
->is_50hz
? 576 : 480;
702 cx
->vbi
.count
= cx
->is_50hz
? 18 : 12;
703 cx
->vbi
.start
[0] = cx
->is_50hz
? 6 : 10;
704 cx
->vbi
.start
[1] = cx
->is_50hz
? 318 : 273;
705 CX18_DEBUG_INFO("Switching standard to %llx.\n",
706 (unsigned long long) cx
->std
);
709 cx18_call_all(cx
, core
, s_std
, cx
->std
);
713 static int cx18_s_tuner(struct file
*file
, void *fh
, struct v4l2_tuner
*vt
)
715 struct cx18_open_id
*id
= fh
;
716 struct cx18
*cx
= id
->cx
;
719 ret
= v4l2_prio_check(&cx
->prio
, id
->prio
);
726 cx18_call_all(cx
, tuner
, s_tuner
, vt
);
730 static int cx18_g_tuner(struct file
*file
, void *fh
, struct v4l2_tuner
*vt
)
732 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
737 cx18_call_all(cx
, tuner
, g_tuner
, vt
);
739 if (test_bit(CX18_F_I_RADIO_USER
, &cx
->i_flags
)) {
740 strlcpy(vt
->name
, "cx18 Radio Tuner", sizeof(vt
->name
));
741 vt
->type
= V4L2_TUNER_RADIO
;
743 strlcpy(vt
->name
, "cx18 TV Tuner", sizeof(vt
->name
));
744 vt
->type
= V4L2_TUNER_ANALOG_TV
;
750 static int cx18_g_sliced_vbi_cap(struct file
*file
, void *fh
,
751 struct v4l2_sliced_vbi_cap
*cap
)
753 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
754 int set
= cx
->is_50hz
? V4L2_SLICED_VBI_625
: V4L2_SLICED_VBI_525
;
757 if (cap
->type
!= V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
)
760 cap
->service_set
= 0;
761 for (f
= 0; f
< 2; f
++) {
762 for (l
= 0; l
< 24; l
++) {
763 if (valid_service_line(f
, l
, cx
->is_50hz
)) {
765 * We can find all v4l2 supported vbi services
766 * for the standard, on a valid line for the std
768 cap
->service_lines
[f
][l
] = set
;
769 cap
->service_set
|= set
;
771 cap
->service_lines
[f
][l
] = 0;
774 for (f
= 0; f
< 3; f
++)
775 cap
->reserved
[f
] = 0;
779 static int _cx18_process_idx_data(struct cx18_buffer
*buf
,
780 struct v4l2_enc_idx
*idx
)
782 int consumed
, remaining
;
783 struct v4l2_enc_idx_entry
*e_idx
;
784 struct cx18_enc_idx_entry
*e_buf
;
786 /* Frame type lookup: 1=I, 2=P, 4=B */
787 const int mapping
[8] = {
788 -1, V4L2_ENC_IDX_FRAME_I
, V4L2_ENC_IDX_FRAME_P
,
789 -1, V4L2_ENC_IDX_FRAME_B
, -1, -1, -1
793 * Assumption here is that a buf holds an integral number of
794 * struct cx18_enc_idx_entry objects and is properly aligned.
795 * This is enforced by the module options on IDX buffer sizes.
797 remaining
= buf
->bytesused
- buf
->readpos
;
799 e_idx
= &idx
->entry
[idx
->entries
];
800 e_buf
= (struct cx18_enc_idx_entry
*) &buf
->buf
[buf
->readpos
];
802 while (remaining
>= sizeof(struct cx18_enc_idx_entry
) &&
803 idx
->entries
< V4L2_ENC_IDX_ENTRIES
) {
805 e_idx
->offset
= (((u64
) le32_to_cpu(e_buf
->offset_high
)) << 32)
806 | le32_to_cpu(e_buf
->offset_low
);
808 e_idx
->pts
= (((u64
) (le32_to_cpu(e_buf
->pts_high
) & 1)) << 32)
809 | le32_to_cpu(e_buf
->pts_low
);
811 e_idx
->length
= le32_to_cpu(e_buf
->length
);
813 e_idx
->flags
= mapping
[le32_to_cpu(e_buf
->flags
) & 0x7];
815 e_idx
->reserved
[0] = 0;
816 e_idx
->reserved
[1] = 0;
819 e_idx
= &idx
->entry
[idx
->entries
];
822 remaining
-= sizeof(struct cx18_enc_idx_entry
);
823 consumed
+= sizeof(struct cx18_enc_idx_entry
);
826 /* Swallow any partial entries at the end, if there are any */
827 if (remaining
> 0 && remaining
< sizeof(struct cx18_enc_idx_entry
))
828 consumed
+= remaining
;
830 buf
->readpos
+= consumed
;
834 static int cx18_process_idx_data(struct cx18_stream
*s
, struct cx18_mdl
*mdl
,
835 struct v4l2_enc_idx
*idx
)
837 if (s
->type
!= CX18_ENC_STREAM_TYPE_IDX
)
840 if (mdl
->curr_buf
== NULL
)
841 mdl
->curr_buf
= list_first_entry(&mdl
->buf_list
,
842 struct cx18_buffer
, list
);
844 if (list_entry_is_past_end(mdl
->curr_buf
, &mdl
->buf_list
, list
)) {
846 * For some reason we've exhausted the buffers, but the MDL
847 * object still said some data was unread.
848 * Fix that and bail out.
850 mdl
->readpos
= mdl
->bytesused
;
854 list_for_each_entry_from(mdl
->curr_buf
, &mdl
->buf_list
, list
) {
856 /* Skip any empty buffers in the MDL */
857 if (mdl
->curr_buf
->readpos
>= mdl
->curr_buf
->bytesused
)
860 mdl
->readpos
+= _cx18_process_idx_data(mdl
->curr_buf
, idx
);
862 /* exit when MDL drained or request satisfied */
863 if (idx
->entries
>= V4L2_ENC_IDX_ENTRIES
||
864 mdl
->curr_buf
->readpos
< mdl
->curr_buf
->bytesused
||
865 mdl
->readpos
>= mdl
->bytesused
)
871 static int cx18_g_enc_index(struct file
*file
, void *fh
,
872 struct v4l2_enc_idx
*idx
)
874 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
875 struct cx18_stream
*s
= &cx
->streams
[CX18_ENC_STREAM_TYPE_IDX
];
877 struct cx18_mdl
*mdl
;
879 if (!cx18_stream_enabled(s
)) /* Module options inhibited IDX stream */
882 /* Compute the best case number of entries we can buffer */
884 s
->bufs_per_mdl
* CX18_ENC_STREAM_TYPE_IDX_FW_MDL_MIN
;
887 tmp
= tmp
* s
->buf_size
/ sizeof(struct cx18_enc_idx_entry
);
889 /* Fill out the header of the return structure */
891 idx
->entries_cap
= tmp
;
892 memset(idx
->reserved
, 0, sizeof(idx
->reserved
));
894 /* Pull IDX MDLs and buffers from q_full and populate the entries */
896 mdl
= cx18_dequeue(s
, &s
->q_full
);
897 if (mdl
== NULL
) /* No more IDX data right now */
900 /* Extract the Index entry data from the MDL and buffers */
901 cx18_process_idx_data(s
, mdl
, idx
);
902 if (mdl
->readpos
< mdl
->bytesused
) {
903 /* We finished with data remaining, push the MDL back */
904 cx18_push(s
, mdl
, &s
->q_full
);
908 /* We drained this MDL, schedule it to go to the firmware */
909 cx18_enqueue(s
, mdl
, &s
->q_free
);
911 } while (idx
->entries
< V4L2_ENC_IDX_ENTRIES
);
913 /* Tell the work handler to send free IDX MDLs to the firmware */
914 cx18_stream_load_fw_queue(s
);
918 static int cx18_encoder_cmd(struct file
*file
, void *fh
,
919 struct v4l2_encoder_cmd
*enc
)
921 struct cx18_open_id
*id
= fh
;
922 struct cx18
*cx
= id
->cx
;
926 case V4L2_ENC_CMD_START
:
927 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
929 return cx18_start_capture(id
);
931 case V4L2_ENC_CMD_STOP
:
932 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
933 enc
->flags
&= V4L2_ENC_CMD_STOP_AT_GOP_END
;
934 cx18_stop_capture(id
,
935 enc
->flags
& V4L2_ENC_CMD_STOP_AT_GOP_END
);
938 case V4L2_ENC_CMD_PAUSE
:
939 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
941 if (!atomic_read(&cx
->ana_capturing
))
943 if (test_and_set_bit(CX18_F_I_ENC_PAUSED
, &cx
->i_flags
))
945 h
= cx18_find_handle(cx
);
946 if (h
== CX18_INVALID_TASK_HANDLE
) {
947 CX18_ERR("Can't find valid task handle for "
948 "V4L2_ENC_CMD_PAUSE\n");
952 cx18_vapi(cx
, CX18_CPU_CAPTURE_PAUSE
, 1, h
);
955 case V4L2_ENC_CMD_RESUME
:
956 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
958 if (!atomic_read(&cx
->ana_capturing
))
960 if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED
, &cx
->i_flags
))
962 h
= cx18_find_handle(cx
);
963 if (h
== CX18_INVALID_TASK_HANDLE
) {
964 CX18_ERR("Can't find valid task handle for "
965 "V4L2_ENC_CMD_RESUME\n");
968 cx18_vapi(cx
, CX18_CPU_CAPTURE_RESUME
, 1, h
);
973 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc
->cmd
);
979 static int cx18_try_encoder_cmd(struct file
*file
, void *fh
,
980 struct v4l2_encoder_cmd
*enc
)
982 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
985 case V4L2_ENC_CMD_START
:
986 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_START\n");
990 case V4L2_ENC_CMD_STOP
:
991 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n");
992 enc
->flags
&= V4L2_ENC_CMD_STOP_AT_GOP_END
;
995 case V4L2_ENC_CMD_PAUSE
:
996 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n");
1000 case V4L2_ENC_CMD_RESUME
:
1001 CX18_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n");
1006 CX18_DEBUG_IOCTL("Unknown cmd %d\n", enc
->cmd
);
1012 static int cx18_log_status(struct file
*file
, void *fh
)
1014 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
1015 struct v4l2_input vidin
;
1016 struct v4l2_audio audin
;
1019 CX18_INFO("================= START STATUS CARD #%d "
1020 "=================\n", cx
->instance
);
1021 CX18_INFO("Version: %s Card: %s\n", CX18_VERSION
, cx
->card_name
);
1022 if (cx
->hw_flags
& CX18_HW_TVEEPROM
) {
1025 cx18_read_eeprom(cx
, &tv
);
1027 cx18_call_all(cx
, core
, log_status
);
1028 cx18_get_input(cx
, cx
->active_input
, &vidin
);
1029 cx18_get_audio_input(cx
, cx
->audio_input
, &audin
);
1030 CX18_INFO("Video Input: %s\n", vidin
.name
);
1031 CX18_INFO("Audio Input: %s\n", audin
.name
);
1032 mutex_lock(&cx
->gpio_lock
);
1033 CX18_INFO("GPIO: direction 0x%08x, value 0x%08x\n",
1034 cx
->gpio_dir
, cx
->gpio_val
);
1035 mutex_unlock(&cx
->gpio_lock
);
1036 CX18_INFO("Tuner: %s\n",
1037 test_bit(CX18_F_I_RADIO_USER
, &cx
->i_flags
) ? "Radio" : "TV");
1038 cx2341x_log_status(&cx
->params
, cx
->v4l2_dev
.name
);
1039 CX18_INFO("Status flags: 0x%08lx\n", cx
->i_flags
);
1040 for (i
= 0; i
< CX18_MAX_STREAMS
; i
++) {
1041 struct cx18_stream
*s
= &cx
->streams
[i
];
1043 if (s
->video_dev
== NULL
|| s
->buffers
== 0)
1045 CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
1046 s
->name
, s
->s_flags
,
1047 atomic_read(&s
->q_full
.depth
) * s
->bufs_per_mdl
* 100
1049 (s
->buffers
* s
->buf_size
) / 1024, s
->buffers
);
1051 CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",
1052 (long long)cx
->mpg_data_received
,
1053 (long long)cx
->vbi_data_inserted
);
1054 CX18_INFO("================== END STATUS CARD #%d "
1055 "==================\n", cx
->instance
);
1059 static long cx18_default(struct file
*file
, void *fh
, int cmd
, void *arg
)
1061 struct cx18
*cx
= ((struct cx18_open_id
*)fh
)->cx
;
1064 case VIDIOC_INT_RESET
: {
1065 u32 val
= *(u32
*)arg
;
1067 if ((val
== 0) || (val
& 0x01))
1068 cx18_call_hw(cx
, CX18_HW_GPIO_RESET_CTRL
, core
, reset
,
1069 (u32
) CX18_GPIO_RESET_Z8F0811
);
1079 long cx18_v4l2_ioctl(struct file
*filp
, unsigned int cmd
,
1082 struct video_device
*vfd
= video_devdata(filp
);
1083 struct cx18_open_id
*id
= filp
->private_data
;
1084 struct cx18
*cx
= id
->cx
;
1087 mutex_lock(&cx
->serialize_lock
);
1089 /* FIXME - consolidate v4l2_prio_check()'s here */
1091 if (cx18_debug
& CX18_DBGFLG_IOCTL
)
1092 vfd
->debug
= V4L2_DEBUG_IOCTL
| V4L2_DEBUG_IOCTL_ARG
;
1093 res
= video_ioctl2(filp
, cmd
, arg
);
1095 mutex_unlock(&cx
->serialize_lock
);
1099 static const struct v4l2_ioctl_ops cx18_ioctl_ops
= {
1100 .vidioc_querycap
= cx18_querycap
,
1101 .vidioc_g_priority
= cx18_g_priority
,
1102 .vidioc_s_priority
= cx18_s_priority
,
1103 .vidioc_s_audio
= cx18_s_audio
,
1104 .vidioc_g_audio
= cx18_g_audio
,
1105 .vidioc_enumaudio
= cx18_enumaudio
,
1106 .vidioc_enum_input
= cx18_enum_input
,
1107 .vidioc_cropcap
= cx18_cropcap
,
1108 .vidioc_s_crop
= cx18_s_crop
,
1109 .vidioc_g_crop
= cx18_g_crop
,
1110 .vidioc_g_input
= cx18_g_input
,
1111 .vidioc_s_input
= cx18_s_input
,
1112 .vidioc_g_frequency
= cx18_g_frequency
,
1113 .vidioc_s_frequency
= cx18_s_frequency
,
1114 .vidioc_s_tuner
= cx18_s_tuner
,
1115 .vidioc_g_tuner
= cx18_g_tuner
,
1116 .vidioc_g_enc_index
= cx18_g_enc_index
,
1117 .vidioc_g_std
= cx18_g_std
,
1118 .vidioc_s_std
= cx18_s_std
,
1119 .vidioc_log_status
= cx18_log_status
,
1120 .vidioc_enum_fmt_vid_cap
= cx18_enum_fmt_vid_cap
,
1121 .vidioc_encoder_cmd
= cx18_encoder_cmd
,
1122 .vidioc_try_encoder_cmd
= cx18_try_encoder_cmd
,
1123 .vidioc_g_fmt_vid_cap
= cx18_g_fmt_vid_cap
,
1124 .vidioc_g_fmt_vbi_cap
= cx18_g_fmt_vbi_cap
,
1125 .vidioc_g_fmt_sliced_vbi_cap
= cx18_g_fmt_sliced_vbi_cap
,
1126 .vidioc_s_fmt_vid_cap
= cx18_s_fmt_vid_cap
,
1127 .vidioc_s_fmt_vbi_cap
= cx18_s_fmt_vbi_cap
,
1128 .vidioc_s_fmt_sliced_vbi_cap
= cx18_s_fmt_sliced_vbi_cap
,
1129 .vidioc_try_fmt_vid_cap
= cx18_try_fmt_vid_cap
,
1130 .vidioc_try_fmt_vbi_cap
= cx18_try_fmt_vbi_cap
,
1131 .vidioc_try_fmt_sliced_vbi_cap
= cx18_try_fmt_sliced_vbi_cap
,
1132 .vidioc_g_sliced_vbi_cap
= cx18_g_sliced_vbi_cap
,
1133 .vidioc_g_chip_ident
= cx18_g_chip_ident
,
1134 #ifdef CONFIG_VIDEO_ADV_DEBUG
1135 .vidioc_g_register
= cx18_g_register
,
1136 .vidioc_s_register
= cx18_s_register
,
1138 .vidioc_default
= cx18_default
,
1139 .vidioc_queryctrl
= cx18_queryctrl
,
1140 .vidioc_querymenu
= cx18_querymenu
,
1141 .vidioc_g_ext_ctrls
= cx18_g_ext_ctrls
,
1142 .vidioc_s_ext_ctrls
= cx18_s_ext_ctrls
,
1143 .vidioc_try_ext_ctrls
= cx18_try_ext_ctrls
,
1146 void cx18_set_funcs(struct video_device
*vdev
)
1148 vdev
->ioctl_ops
= &cx18_ioctl_ops
;