// SPDX-License-Identifier: GPL-2.0-or-later
/*
ioctl system call
Copyright ( C ) 2003 - 2004 Kevin Thayer < nufan_wfk at yahoo . com >
Copyright ( C ) 2005 - 2007 Hans Verkuil < hverkuil @ xs4all . nl >
*/
#include "ivtv-driver.h"
#include "ivtv-version.h"
#include "ivtv-mailbox.h"
#include "ivtv-i2c.h"
#include "ivtv-queue.h"
#include "ivtv-fileops.h"
#include "ivtv-vbi.h"
#include "ivtv-routing.h"
#include "ivtv-streams.h"
#include "ivtv-yuv.h"
#include "ivtv-ioctl.h"
#include "ivtv-gpio.h"
#include "ivtv-controls.h"
#include "ivtv-cards.h"
#include <media/i2c/saa7127.h>
#include <media/tveeprom.h>
#include <media/v4l2-event.h>
u16 ivtv_service2vbi(int type)
{
switch (type) {
case V4L2_SLICED_TELETEXT_B:
return IVTV_SLICED_TYPE_TELETEXT_B;
case V4L2_SLICED_CAPTION_525:
return IVTV_SLICED_TYPE_CAPTION_525;
case V4L2_SLICED_WSS_625:
return IVTV_SLICED_TYPE_WSS_625;
case V4L2_SLICED_VPS:
return IVTV_SLICED_TYPE_VPS;
default :
return 0 ;
}
}
static int valid_service_line(int field, int line, int is_pal)
{
return (is_pal && line >= 6 && (line != 23 || field == 0 )) ||
(!is_pal && line >= 10 && line < 22 );
}
static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
{
u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525);
int i;
set = set & valid_set;
if (set == 0 || !valid_service_line(field, line, is_pal)) {
return 0 ;
}
if (!is_pal) {
if (line == 21 && (set & V4L2_SLICED_CAPTION_525))
return V4L2_SLICED_CAPTION_525;
}
else {
if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS))
return V4L2_SLICED_VPS;
if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625))
return V4L2_SLICED_WSS_625;
if (line == 23 )
return 0 ;
}
for (i = 0 ; i < 32 ; i++) {
if (BIT(i) & set)
return BIT(i);
}
return 0 ;
}
void ivtv_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
{
u16 set = fmt->service_set;
int f, l;
fmt->service_set = 0 ;
for (f = 0 ; f < 2 ; f++) {
for (l = 0 ; l < 24 ; l++) {
fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal);
}
}
}
static void check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal)
{
int f, l;
for (f = 0 ; f < 2 ; f++) {
for (l = 0 ; l < 24 ; l++) {
fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal);
}
}
}
u16 ivtv_get_service_set(struct v4l2_sliced_vbi_format *fmt)
{
int f, l;
u16 set = 0 ;
for (f = 0 ; f < 2 ; f++) {
for (l = 0 ; l < 24 ; l++) {
set |= fmt->service_lines[f][l];
}
}
return set;
}
void ivtv_set_osd_alpha(struct ivtv *itv)
{
ivtv_vapi(itv, CX2341X_OSD_SET_GLOBAL_ALPHA, 3 ,
itv->osd_global_alpha_state, itv->osd_global_alpha, !itv->osd_local_alpha_state);
ivtv_vapi(itv, CX2341X_OSD_SET_CHROMA_KEY, 2 , itv->osd_chroma_key_state, itv->osd_chroma_key);
}
int ivtv_set_speed(struct ivtv *itv, int speed)
{
u32 data[CX2341X_MBOX_MAX_DATA];
int single_step = (speed == 1 || speed == -1 );
DEFINE_WAIT(wait);
if (speed == 0 ) speed = 1000 ;
/* No change? */
if (speed == itv->speed && !single_step)
return 0 ;
if (single_step && (speed < 0 ) == (itv->speed < 0 )) {
/* Single step video and no need to change direction */
ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1 , 0 );
itv->speed = speed;
return 0 ;
}
if (single_step)
/* Need to change direction */
speed = speed < 0 ? -1000 : 1000 ;
data[0 ] = (speed > 1000 || speed < -1000 ) ? 0 x80000000 : 0 ;
data[0 ] |= (speed > 1000 || speed < -1500 ) ? 0 x40000000 : 0 ;
data[1 ] = (speed < 0 );
data[2 ] = speed < 0 ? 3 : 7 ;
data[3 ] = v4l2_ctrl_g_ctrl(itv->cxhdl.video_b_frames);
data[4 ] = (speed == 1500 || speed == 500 ) ? itv->speed_mute_audio : 0 ;
data[5 ] = 0 ;
data[6 ] = 0 ;
if (speed == 1500 || speed == -1500 ) data[0 ] |= 1 ;
else if (speed == 2000 || speed == -2000 ) data[0 ] |= 2 ;
else if (speed > -1000 && speed < 0 ) data[0 ] |= (-1000 / speed);
else if (speed < 1000 && speed > 0 ) data[0 ] |= (1000 / speed);
/* If not decoding, just change speed setting */
if (atomic_read(&itv->decoding) > 0 ) {
int got_sig = 0 ;
/* Stop all DMA and decoding activity */
ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1 , 0 );
/* Wait for any DMA to finish */
mutex_unlock(&itv->serialize_lock);
prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
while (test_bit(IVTV_F_I_DMA, &itv->i_flags)) {
got_sig = signal_pending(current);
if (got_sig)
break ;
got_sig = 0 ;
schedule();
}
finish_wait(&itv->dma_waitq, &wait);
mutex_lock(&itv->serialize_lock);
if (got_sig)
return -EINTR;
/* Change Speed safely */
ivtv_api(itv, CX2341X_DEC_SET_PLAYBACK_SPEED, 7 , data);
IVTV_DEBUG_INFO("Setting Speed to 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n" ,
data[0 ], data[1 ], data[2 ], data[3 ], data[4 ], data[5 ], data[6 ]);
}
if (single_step) {
speed = (speed < 0 ) ? -1 : 1 ;
ivtv_vapi(itv, CX2341X_DEC_STEP_VIDEO, 1 , 0 );
}
itv->speed = speed;
return 0 ;
}
static int ivtv_validate_speed(int cur_speed, int new_speed)
{
int fact = new_speed < 0 ? -1 : 1 ;
int s;
if (cur_speed == 0 )
cur_speed = 1000 ;
if (new_speed < 0 )
new_speed = -new_speed;
if (cur_speed < 0 )
cur_speed = -cur_speed;
if (cur_speed <= new_speed) {
if (new_speed > 1500 )
return fact * 2000 ;
if (new_speed > 1000 )
return fact * 1500 ;
}
else {
if (new_speed >= 2000 )
return fact * 2000 ;
if (new_speed >= 1500 )
return fact * 1500 ;
if (new_speed >= 1000 )
return fact * 1000 ;
}
if (new_speed == 0 )
return 1000 ;
if (new_speed == 1 || new_speed == 1000 )
return fact * new_speed;
s = new_speed;
new_speed = 1000 / new_speed;
if (1000 / cur_speed == new_speed)
new_speed += (cur_speed < s) ? -1 : 1 ;
if (new_speed > 60 ) return 1000 / (fact * 60 );
return 1000 / (fact * new_speed);
}
static int ivtv_video_command(struct ivtv *itv, struct ivtv_open_id *id,
struct v4l2_decoder_cmd *dc, int try )
{
struct ivtv_stream *s = &itv->streams[IVTV_DEC_STREAM_TYPE_MPG];
if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
return -EINVAL;
switch (dc->cmd) {
case V4L2_DEC_CMD_START: {
dc->flags &= V4L2_DEC_CMD_START_MUTE_AUDIO;
dc->start.speed = ivtv_validate_speed(itv->speed, dc->start.speed);
if (dc->start.speed < 0 )
dc->start.format = V4L2_DEC_START_FMT_GOP;
else
dc->start.format = V4L2_DEC_START_FMT_NONE;
if (dc->start.speed != 500 && dc->start.speed != 1500 )
dc->flags = dc->start.speed == 1000 ? 0 :
V4L2_DEC_CMD_START_MUTE_AUDIO;
if (try ) break ;
itv->speed_mute_audio = dc->flags & V4L2_DEC_CMD_START_MUTE_AUDIO;
if (ivtv_set_output_mode(itv, OUT_MPG) != OUT_MPG)
return -EBUSY;
if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
/* forces ivtv_set_speed to be called */
itv->speed = 0 ;
}
return ivtv_start_decoding(id, dc->start.speed);
}
case V4L2_DEC_CMD_STOP:
dc->flags &= V4L2_DEC_CMD_STOP_IMMEDIATELY | V4L2_DEC_CMD_STOP_TO_BLACK;
if (dc->flags & V4L2_DEC_CMD_STOP_IMMEDIATELY)
dc->stop.pts = 0 ;
if (try ) break ;
if (atomic_read(&itv->decoding) == 0 )
return 0 ;
if (itv->output_mode != OUT_MPG)
return -EBUSY;
itv->output_mode = OUT_NONE;
return ivtv_stop_v4l2_decode_stream(s, dc->flags, dc->stop.pts);
case V4L2_DEC_CMD_PAUSE:
dc->flags &= V4L2_DEC_CMD_PAUSE_TO_BLACK;
if (try ) break ;
if (!atomic_read(&itv->decoding))
return -EPERM;
if (itv->output_mode != OUT_MPG)
return -EBUSY;
if (atomic_read(&itv->decoding) > 0 ) {
ivtv_vapi(itv, CX2341X_DEC_PAUSE_PLAYBACK, 1 ,
(dc->flags & V4L2_DEC_CMD_PAUSE_TO_BLACK) ? 1 : 0 );
set_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags);
}
break ;
case V4L2_DEC_CMD_RESUME:
dc->flags = 0 ;
if (try ) break ;
if (!atomic_read(&itv->decoding))
return -EPERM;
if (itv->output_mode != OUT_MPG)
return -EBUSY;
if (test_and_clear_bit(IVTV_F_I_DEC_PAUSED, &itv->i_flags)) {
int speed = itv->speed;
itv->speed = 0 ;
return ivtv_start_decoding(id, speed);
}
break ;
default :
return -EINVAL;
}
return 0 ;
}
static int ivtv_g_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv *itv = fh2id(fh)->itv;
struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
vbifmt->reserved[0 ] = 0 ;
vbifmt->reserved[1 ] = 0 ;
if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
return -EINVAL;
vbifmt->io_size = sizeof (struct v4l2_sliced_vbi_data) * 36 ;
memset(vbifmt->service_lines, 0 , sizeof (vbifmt->service_lines));
if (itv->is_60hz) {
vbifmt->service_lines[0 ][21 ] = V4L2_SLICED_CAPTION_525;
vbifmt->service_lines[1 ][21 ] = V4L2_SLICED_CAPTION_525;
} else {
vbifmt->service_lines[0 ][23 ] = V4L2_SLICED_WSS_625;
vbifmt->service_lines[0 ][16 ] = V4L2_SLICED_VPS;
}
vbifmt->service_set = ivtv_get_service_set(vbifmt);
return 0 ;
}
static int ivtv_g_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
pixfmt->width = itv->cxhdl.width;
pixfmt->height = itv->cxhdl.height;
pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
pixfmt->field = V4L2_FIELD_INTERLACED;
if (id->type == IVTV_ENC_STREAM_TYPE_YUV) {
pixfmt->pixelformat = V4L2_PIX_FMT_NV12_16L16;
/* YUV size is (Y=(h*720) + UV=(h*(720/2))) */
pixfmt->sizeimage = pixfmt->height * 720 * 3 / 2 ;
pixfmt->bytesperline = 720 ;
} else {
pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
pixfmt->sizeimage = 128 * 1024 ;
pixfmt->bytesperline = 0 ;
}
return 0 ;
}
static int ivtv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv *itv = fh2id(fh)->itv;
struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi;
vbifmt->sampling_rate = 27000000 ;
vbifmt->offset = 248 ;
vbifmt->samples_per_line = itv->vbi.raw_decoder_line_size - 4 ;
vbifmt->sample_format = V4L2_PIX_FMT_GREY;
vbifmt->start[0 ] = itv->vbi.start[0 ];
vbifmt->start[1 ] = itv->vbi.start[1 ];
vbifmt->count[0 ] = vbifmt->count[1 ] = itv->vbi.count;
vbifmt->flags = 0 ;
vbifmt->reserved[0 ] = 0 ;
vbifmt->reserved[1 ] = 0 ;
return 0 ;
}
static int ivtv_g_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
vbifmt->reserved[0 ] = 0 ;
vbifmt->reserved[1 ] = 0 ;
vbifmt->io_size = sizeof (struct v4l2_sliced_vbi_data) * 36 ;
if (id->type == IVTV_DEC_STREAM_TYPE_VBI) {
vbifmt->service_set = itv->is_50hz ? V4L2_SLICED_VBI_625 :
V4L2_SLICED_VBI_525;
ivtv_expand_service_set(vbifmt, itv->is_50hz);
vbifmt->service_set = ivtv_get_service_set(vbifmt);
return 0 ;
}
v4l2_subdev_call(itv->sd_video, vbi, g_sliced_fmt, vbifmt);
vbifmt->service_set = ivtv_get_service_set(vbifmt);
return 0 ;
}
static int ivtv_g_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
struct v4l2_pix_format *pixfmt = &fmt->fmt.pix;
if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
return -EINVAL;
pixfmt->width = itv->main_rect.width;
pixfmt->height = itv->main_rect.height;
pixfmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
pixfmt->field = V4L2_FIELD_INTERLACED;
if (id->type == IVTV_DEC_STREAM_TYPE_YUV) {
switch (itv->yuv_info.lace_mode & IVTV_YUV_MODE_MASK) {
case IVTV_YUV_MODE_INTERLACED:
pixfmt->field = (itv->yuv_info.lace_mode & IVTV_YUV_SYNC_MASK) ?
V4L2_FIELD_INTERLACED_BT : V4L2_FIELD_INTERLACED_TB;
break ;
case IVTV_YUV_MODE_PROGRESSIVE:
pixfmt->field = V4L2_FIELD_NONE;
break ;
default :
pixfmt->field = V4L2_FIELD_ANY;
break ;
}
pixfmt->pixelformat = V4L2_PIX_FMT_NV12_16L16;
pixfmt->bytesperline = 720 ;
pixfmt->width = itv->yuv_info.v4l2_src_w;
pixfmt->height = itv->yuv_info.v4l2_src_h;
/* YUV size is (Y=(h*w) + UV=(h*(w/2))) */
pixfmt->sizeimage =
1080 * ((pixfmt->height + 31 ) & ~31 );
} else {
pixfmt->pixelformat = V4L2_PIX_FMT_MPEG;
pixfmt->sizeimage = 128 * 1024 ;
pixfmt->bytesperline = 0 ;
}
return 0 ;
}
static int ivtv_g_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv *itv = fh2id(fh)->itv;
struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
struct v4l2_window *winfmt = &fmt->fmt.win;
if (!(s->vdev.device_caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
return -EINVAL;
if (!itv->osd_video_pbase)
return -EINVAL;
winfmt->chromakey = itv->osd_chroma_key;
winfmt->global_alpha = itv->osd_global_alpha;
winfmt->field = V4L2_FIELD_INTERLACED;
winfmt->clips = NULL;
winfmt->clipcount = 0 ;
winfmt->bitmap = NULL;
winfmt->w.top = winfmt->w.left = 0 ;
winfmt->w.width = itv->osd_rect.width;
winfmt->w.height = itv->osd_rect.height;
return 0 ;
}
static int ivtv_try_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
{
return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt);
}
static int ivtv_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
int w = fmt->fmt.pix.width;
int h = fmt->fmt.pix.height;
int min_h = 2 ;
w = min(w, 720 );
w = max(w, 2 );
if (id->type == IVTV_ENC_STREAM_TYPE_YUV) {
/* YUV height must be a multiple of 32 */
h &= ~0 x1f;
min_h = 32 ;
}
h = min(h, itv->is_50hz ? 576 : 480 );
h = max(h, min_h);
ivtv_g_fmt_vid_cap(file, fh, fmt);
fmt->fmt.pix.width = w;
fmt->fmt.pix.height = h;
return 0 ;
}
static int ivtv_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
return ivtv_g_fmt_vbi_cap(file, fh, fmt);
}
static int ivtv_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
if (id->type == IVTV_DEC_STREAM_TYPE_VBI)
return ivtv_g_fmt_sliced_vbi_cap(file, fh, fmt);
/* set sliced VBI capture format */
vbifmt->io_size = sizeof (struct v4l2_sliced_vbi_data) * 36 ;
vbifmt->reserved[0 ] = 0 ;
vbifmt->reserved[1 ] = 0 ;
if (vbifmt->service_set)
ivtv_expand_service_set(vbifmt, itv->is_50hz);
check_service_set(vbifmt, itv->is_50hz);
vbifmt->service_set = ivtv_get_service_set(vbifmt);
return 0 ;
}
static int ivtv_try_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv_open_id *id = fh2id(fh);
s32 w = fmt->fmt.pix.width;
s32 h = fmt->fmt.pix.height;
int field = fmt->fmt.pix.field;
int ret = ivtv_g_fmt_vid_out(file, fh, fmt);
w = min(w, 720 );
w = max(w, 2 );
/* Why can the height be 576 even when the output is NTSC?
Internally the buffers of the PVR350 are always set to 720 x576 . The
decoded video frame will always be placed in the top left corner of
this buffer . For any video which is not 720 x576 , the buffer will
then be cropped to remove the unused right and lower areas , with
the remaining image being scaled by the hardware to fit the display
area . The video can be scaled both up and down , so a 720 x480 video
can be displayed full - screen on PAL and a 720 x576 video can be
displayed without cropping on NTSC .
Note that the scaling only occurs on the video stream , the osd
resolution is locked to the broadcast standard and not scaled .
Thanks to Ian Armstrong for this explanation. */
h = min(h, 576 );
h = max(h, 2 );
if (id->type == IVTV_DEC_STREAM_TYPE_YUV)
fmt->fmt.pix.field = field;
fmt->fmt.pix.width = w;
fmt->fmt.pix.height = h;
return ret;
}
static int ivtv_try_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv *itv = fh2id(fh)->itv;
struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
u32 chromakey = fmt->fmt.win.chromakey;
u8 global_alpha = fmt->fmt.win.global_alpha;
if (!(s->vdev.device_caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
return -EINVAL;
if (!itv->osd_video_pbase)
return -EINVAL;
ivtv_g_fmt_vid_out_overlay(file, fh, fmt);
fmt->fmt.win.chromakey = chromakey;
fmt->fmt.win.global_alpha = global_alpha;
return 0 ;
}
static int ivtv_s_fmt_sliced_vbi_out(struct file *file, void *fh, struct v4l2_format *fmt)
{
return ivtv_g_fmt_sliced_vbi_out(file, fh, fmt);
}
static int ivtv_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
struct v4l2_subdev_format format = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
};
int ret = ivtv_try_fmt_vid_cap(file, fh, fmt);
int w = fmt->fmt.pix.width;
int h = fmt->fmt.pix.height;
if (ret)
return ret;
if (itv->cxhdl.width == w && itv->cxhdl.height == h)
return 0 ;
if (atomic_read(&itv->capturing) > 0 )
return -EBUSY;
itv->cxhdl.width = w;
itv->cxhdl.height = h;
if (v4l2_ctrl_g_ctrl(itv->cxhdl.video_encoding) == V4L2_MPEG_VIDEO_ENCODING_MPEG_1)
fmt->fmt.pix.width /= 2 ;
format.format.width = fmt->fmt.pix.width;
format.format.height = h;
format.format.code = MEDIA_BUS_FMT_FIXED;
v4l2_subdev_call(itv->sd_video, pad, set_fmt, NULL, &format);
return ivtv_g_fmt_vid_cap(file, fh, fmt);
}
static int ivtv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv *itv = fh2id(fh)->itv;
if (!ivtv_raw_vbi(itv) && atomic_read(&itv->capturing) > 0 )
return -EBUSY;
itv->vbi.sliced_in->service_set = 0 ;
itv->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE;
v4l2_subdev_call(itv->sd_video, vbi, s_raw_fmt, &fmt->fmt.vbi);
return ivtv_g_fmt_vbi_cap(file, fh, fmt);
}
static int ivtv_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced;
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
int ret = ivtv_try_fmt_sliced_vbi_cap(file, fh, fmt);
if (ret || id->type == IVTV_DEC_STREAM_TYPE_VBI)
return ret;
check_service_set(vbifmt, itv->is_50hz);
if (ivtv_raw_vbi(itv) && atomic_read(&itv->capturing) > 0 )
return -EBUSY;
itv->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE;
v4l2_subdev_call(itv->sd_video, vbi, s_sliced_fmt, vbifmt);
memcpy(itv->vbi.sliced_in, vbifmt, sizeof (*itv->vbi.sliced_in));
return 0 ;
}
static int ivtv_s_fmt_vid_out(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
struct yuv_playback_info *yi = &itv->yuv_info;
int ret = ivtv_try_fmt_vid_out(file, fh, fmt);
if (ret)
return ret;
if (id->type != IVTV_DEC_STREAM_TYPE_YUV)
return 0 ;
/* Return now if we already have some frame data */
if (yi->stream_size)
return -EBUSY;
yi->v4l2_src_w = fmt->fmt.pix.width;
yi->v4l2_src_h = fmt->fmt.pix.height;
switch (fmt->fmt.pix.field) {
case V4L2_FIELD_NONE:
yi->lace_mode = IVTV_YUV_MODE_PROGRESSIVE;
break ;
case V4L2_FIELD_ANY:
yi->lace_mode = IVTV_YUV_MODE_AUTO;
break ;
case V4L2_FIELD_INTERLACED_BT:
yi->lace_mode =
IVTV_YUV_MODE_INTERLACED|IVTV_YUV_SYNC_ODD;
break ;
case V4L2_FIELD_INTERLACED_TB:
default :
yi->lace_mode = IVTV_YUV_MODE_INTERLACED;
break ;
}
yi->lace_sync_field = (yi->lace_mode & IVTV_YUV_SYNC_MASK) == IVTV_YUV_SYNC_EVEN ? 0 : 1 ;
if (test_bit(IVTV_F_I_DEC_YUV, &itv->i_flags))
itv->dma_data_req_size =
1080 * ((yi->v4l2_src_h + 31 ) & ~31 );
return 0 ;
}
static int ivtv_s_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_format *fmt)
{
struct ivtv *itv = fh2id(fh)->itv;
int ret = ivtv_try_fmt_vid_out_overlay(file, fh, fmt);
if (ret == 0 ) {
itv->osd_chroma_key = fmt->fmt.win.chromakey;
itv->osd_global_alpha = fmt->fmt.win.global_alpha;
ivtv_set_osd_alpha(itv);
}
return ret;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int ivtv_itvc(struct ivtv *itv, bool get, u64 reg, u64 *val)
{
volatile u8 __iomem *reg_start;
if (reg & 0 x3)
return -EINVAL;
if (reg >= IVTV_REG_OFFSET && reg < IVTV_REG_OFFSET + IVTV_REG_SIZE)
reg_start = itv->reg_mem - IVTV_REG_OFFSET;
else if (itv->has_cx23415 && reg >= IVTV_DECODER_OFFSET &&
reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE)
reg_start = itv->dec_mem - IVTV_DECODER_OFFSET;
else if (reg < IVTV_ENCODER_SIZE)
reg_start = itv->enc_mem;
else
return -EINVAL;
if (get)
*val = readl(reg + reg_start);
else
writel(*val, reg + reg_start);
return 0 ;
}
static int ivtv_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg)
{
struct ivtv *itv = fh2id(fh)->itv;
reg->size = 4 ;
return ivtv_itvc(itv, true , reg->reg, ®->val);
}
static int ivtv_s_register(struct file *file, void *fh, const struct v4l2_dbg_register *reg)
{
struct ivtv *itv = fh2id(fh)->itv;
u64 val = reg->val;
return ivtv_itvc(itv, false , reg->reg, &val);
}
#endif
static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vcap)
{
struct ivtv_open_id *id = fh2id(file->private_data);
struct ivtv *itv = id->itv;
strscpy(vcap->driver, IVTV_DRIVER_NAME, sizeof (vcap->driver));
strscpy(vcap->card, itv->card_name, sizeof (vcap->card));
vcap->capabilities = itv->v4l2_cap | V4L2_CAP_DEVICE_CAPS;
return 0 ;
}
static int ivtv_enumaudio(struct file *file, void *fh, struct v4l2_audio *vin)
{
struct ivtv *itv = fh2id(fh)->itv;
return ivtv_get_audio_input(itv, vin->index, vin);
}
static int ivtv_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
{
struct ivtv *itv = fh2id(fh)->itv;
vin->index = itv->audio_input;
return ivtv_get_audio_input(itv, vin->index, vin);
}
static int ivtv_s_audio(struct file *file, void *fh, const struct v4l2_audio *vout)
{
struct ivtv *itv = fh2id(fh)->itv;
if (vout->index >= itv->nof_audio_inputs)
return -EINVAL;
itv->audio_input = vout->index;
ivtv_audio_set_io(itv);
return 0 ;
}
static int ivtv_enumaudout(struct file *file, void *fh, struct v4l2_audioout *vin)
{
struct ivtv *itv = fh2id(fh)->itv;
/* set it to defaults from our table */
return ivtv_get_audio_output(itv, vin->index, vin);
}
static int ivtv_g_audout(struct file *file, void *fh, struct v4l2_audioout *vin)
{
struct ivtv *itv = fh2id(fh)->itv;
vin->index = 0 ;
return ivtv_get_audio_output(itv, vin->index, vin);
}
static int ivtv_s_audout(struct file *file, void *fh, const struct v4l2_audioout *vout)
{
struct ivtv *itv = fh2id(fh)->itv;
if (itv->card->video_outputs == NULL || vout->index != 0 )
return -EINVAL;
return 0 ;
}
static int ivtv_enum_input(struct file *file, void *fh, struct v4l2_input *vin)
{
struct ivtv *itv = fh2id(fh)->itv;
/* set it to defaults from our table */
return ivtv_get_input(itv, vin->index, vin);
}
static int ivtv_enum_output(struct file *file, void *fh, struct v4l2_output *vout)
{
struct ivtv *itv = fh2id(fh)->itv;
return ivtv_get_output(itv, vout->index, vout);
}
static int ivtv_g_pixelaspect(struct file *file, void *fh,
int type, struct v4l2_fract *f)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
f->numerator = itv->is_50hz ? 54 : 11 ;
f->denominator = itv->is_50hz ? 59 : 10 ;
} else if (type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
f->numerator = itv->is_out_50hz ? 54 : 11 ;
f->denominator = itv->is_out_50hz ? 59 : 10 ;
} else {
return -EINVAL;
}
return 0 ;
}
static int ivtv_s_selection(struct file *file, void *fh,
struct v4l2_selection *sel)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
struct yuv_playback_info *yi = &itv->yuv_info;
struct v4l2_rect r = { 0 , 0 , 720 , 0 };
int streamtype = id->type;
if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT ||
!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
return -EINVAL;
if (sel->target != V4L2_SEL_TGT_COMPOSE)
return -EINVAL;
if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT ||
!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
return -EINVAL;
r.height = itv->is_out_50hz ? 576 : 480 ;
if (streamtype == IVTV_DEC_STREAM_TYPE_YUV && yi->track_osd) {
r.width = yi->osd_full_w;
r.height = yi->osd_full_h;
}
sel->r.width = clamp(sel->r.width, 16 U, r.width);
sel->r.height = clamp(sel->r.height, 16 U, r.height);
sel->r.left = clamp_t(unsigned , sel->r.left, 0 , r.width - sel->r.width);
sel->r.top = clamp_t(unsigned , sel->r.top, 0 , r.height - sel->r.height);
if (streamtype == IVTV_DEC_STREAM_TYPE_YUV) {
yi->main_rect = sel->r;
return 0 ;
}
if (!ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4 ,
sel->r.width, sel->r.height, sel->r.left, sel->r.top)) {
itv->main_rect = sel->r;
return 0 ;
}
return -EINVAL;
}
static int ivtv_g_selection(struct file *file, void *fh,
struct v4l2_selection *sel)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
struct yuv_playback_info *yi = &itv->yuv_info;
struct v4l2_rect r = { 0 , 0 , 720 , 0 };
int streamtype = id->type;
if (sel->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
switch (sel->target) {
case V4L2_SEL_TGT_CROP_DEFAULT:
case V4L2_SEL_TGT_CROP_BOUNDS:
sel->r.top = sel->r.left = 0 ;
sel->r.width = 720 ;
sel->r.height = itv->is_50hz ? 576 : 480 ;
return 0 ;
default :
return -EINVAL;
}
}
if (sel->type != V4L2_BUF_TYPE_VIDEO_OUTPUT ||
!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
return -EINVAL;
switch (sel->target) {
case V4L2_SEL_TGT_COMPOSE:
if (streamtype == IVTV_DEC_STREAM_TYPE_YUV)
sel->r = yi->main_rect;
else
sel->r = itv->main_rect;
return 0 ;
case V4L2_SEL_TGT_COMPOSE_DEFAULT:
case V4L2_SEL_TGT_COMPOSE_BOUNDS:
r.height = itv->is_out_50hz ? 576 : 480 ;
if (streamtype == IVTV_DEC_STREAM_TYPE_YUV && yi->track_osd) {
r.width = yi->osd_full_w;
r.height = yi->osd_full_h;
}
sel->r = r;
return 0 ;
}
return -EINVAL;
}
static int ivtv_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
{
static const struct v4l2_fmtdesc hm12 = {
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
.description = "HM12 (YUV 4:2:0)" ,
.pixelformat = V4L2_PIX_FMT_NV12_16L16,
};
static const struct v4l2_fmtdesc mpeg = {
.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
.flags = V4L2_FMT_FLAG_COMPRESSED,
.description = "MPEG" ,
.pixelformat = V4L2_PIX_FMT_MPEG,
};
struct ivtv *itv = fh2id(fh)->itv;
struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
if (fmt->index)
return -EINVAL;
if (s->type == IVTV_ENC_STREAM_TYPE_MPG)
*fmt = mpeg;
else if (s->type == IVTV_ENC_STREAM_TYPE_YUV)
*fmt = hm12;
else
return -EINVAL;
return 0 ;
}
static int ivtv_enum_fmt_vid_out(struct file *file, void *fh, struct v4l2_fmtdesc *fmt)
{
static const struct v4l2_fmtdesc hm12 = {
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT,
.description = "HM12 (YUV 4:2:0)" ,
.pixelformat = V4L2_PIX_FMT_NV12_16L16,
};
static const struct v4l2_fmtdesc mpeg = {
.type = V4L2_BUF_TYPE_VIDEO_OUTPUT,
.flags = V4L2_FMT_FLAG_COMPRESSED,
.description = "MPEG" ,
.pixelformat = V4L2_PIX_FMT_MPEG,
};
struct ivtv *itv = fh2id(fh)->itv;
struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
if (fmt->index)
return -EINVAL;
if (s->type == IVTV_DEC_STREAM_TYPE_MPG)
*fmt = mpeg;
else if (s->type == IVTV_DEC_STREAM_TYPE_YUV)
*fmt = hm12;
else
return -EINVAL;
return 0 ;
}
static int ivtv_g_input(struct file *file, void *fh, unsigned int *i)
{
struct ivtv *itv = fh2id(fh)->itv;
*i = itv->active_input;
return 0 ;
}
int ivtv_s_input(struct file *file, void *fh, unsigned int inp)
{
struct ivtv *itv = fh2id(fh)->itv;
v4l2_std_id std;
int i;
if (inp >= itv->nof_inputs)
return -EINVAL;
if (inp == itv->active_input) {
IVTV_DEBUG_INFO("Input unchanged\n" );
return 0 ;
}
if (atomic_read(&itv->capturing) > 0 ) {
return -EBUSY;
}
IVTV_DEBUG_INFO("Changing input from %d to %d\n" ,
itv->active_input, inp);
itv->active_input = inp;
/* Set the audio input to whatever is appropriate for the
input type. */
itv->audio_input = itv->card->video_inputs[inp].audio_index;
if (itv->card->video_inputs[inp].video_type == IVTV_CARD_INPUT_VID_TUNER)
std = itv->tuner_std;
else
std = V4L2_STD_ALL;
for (i = 0 ; i <= IVTV_ENC_STREAM_TYPE_VBI; i++)
itv->streams[i].vdev.tvnorms = std;
/* prevent others from messing with the streams until
we're finished changing inputs. */
ivtv_mute(itv);
ivtv_video_set_io(itv);
ivtv_audio_set_io(itv);
ivtv_unmute(itv);
return 0 ;
}
static int ivtv_g_output(struct file *file, void *fh, unsigned int *i)
{
struct ivtv *itv = fh2id(fh)->itv;
if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
return -EINVAL;
*i = itv->active_output;
return 0 ;
}
static int ivtv_s_output(struct file *file, void *fh, unsigned int outp)
{
struct ivtv *itv = fh2id(fh)->itv;
if (outp >= itv->card->nof_outputs)
return -EINVAL;
if (outp == itv->active_output) {
IVTV_DEBUG_INFO("Output unchanged\n" );
return 0 ;
}
IVTV_DEBUG_INFO("Changing output from %d to %d\n" ,
itv->active_output, outp);
itv->active_output = outp;
ivtv_call_hw(itv, IVTV_HW_SAA7127, video, s_routing,
SAA7127_INPUT_TYPE_NORMAL,
itv->card->video_outputs[outp].video_output, 0 );
return 0 ;
}
static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency *vf)
{
struct ivtv *itv = fh2id(fh)->itv;
struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
if (s->vdev.vfl_dir)
return -ENOTTY;
if (vf->tuner != 0 )
return -EINVAL;
ivtv_call_all(itv, tuner, g_frequency, vf);
return 0 ;
}
int ivtv_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf)
{
struct ivtv *itv = fh2id(fh)->itv;
struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
if (s->vdev.vfl_dir)
return -ENOTTY;
if (vf->tuner != 0 )
return -EINVAL;
ivtv_mute(itv);
IVTV_DEBUG_INFO("v4l2 ioctl: set frequency %d\n" , vf->frequency);
ivtv_call_all(itv, tuner, s_frequency, vf);
ivtv_unmute(itv);
return 0 ;
}
static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std)
{
struct ivtv *itv = fh2id(fh)->itv;
*std = itv->std;
return 0 ;
}
void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id std)
{
itv->std = std;
itv->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0 ;
itv->is_50hz = !itv->is_60hz;
cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz);
itv->cxhdl.width = 720 ;
itv->cxhdl.height = itv->is_50hz ? 576 : 480 ;
itv->vbi.count = itv->is_50hz ? 18 : 12 ;
itv->vbi.start[0 ] = itv->is_50hz ? 6 : 10 ;
itv->vbi.start[1 ] = itv->is_50hz ? 318 : 273 ;
if (itv->hw_flags & IVTV_HW_CX25840)
itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284 ;
/* Tuner */
ivtv_call_all(itv, video, s_std, itv->std);
}
void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id std)
{
struct yuv_playback_info *yi = &itv->yuv_info;
DEFINE_WAIT(wait);
int f;
/* set display standard */
itv->std_out = std;
itv->is_out_60hz = (std & V4L2_STD_525_60) ? 1 : 0 ;
itv->is_out_50hz = !itv->is_out_60hz;
ivtv_call_all(itv, video, s_std_output, itv->std_out);
/*
* The next firmware call is time sensitive . Time it to
* avoid risk of a hard lock , by trying to ensure the call
* happens within the first 100 lines of the top field .
* Make 4 attempts to sync to the decoder before giving up .
*/
mutex_unlock(&itv->serialize_lock);
for (f = 0 ; f < 4 ; f++) {
prepare_to_wait(&itv->vsync_waitq, &wait,
TASK_UNINTERRUPTIBLE);
if ((read_reg(IVTV_REG_DEC_LINE_FIELD) >> 16 ) < 100 )
break ;
schedule_timeout(msecs_to_jiffies(25 ));
}
finish_wait(&itv->vsync_waitq, &wait);
mutex_lock(&itv->serialize_lock);
if (f == 4 )
IVTV_WARN("Mode change failed to sync to decoder\n" );
ivtv_vapi(itv, CX2341X_DEC_SET_STANDARD, 1 , itv->is_out_50hz);
itv->main_rect.left = 0 ;
itv->main_rect.top = 0 ;
itv->main_rect.width = 720 ;
itv->main_rect.height = itv->is_out_50hz ? 576 : 480 ;
ivtv_vapi(itv, CX2341X_OSD_SET_FRAMEBUFFER_WINDOW, 4 ,
720 , itv->main_rect.height, 0 , 0 );
yi->main_rect = itv->main_rect;
if (!itv->osd_info) {
yi->osd_full_w = 720 ;
yi->osd_full_h = itv->is_out_50hz ? 576 : 480 ;
}
}
static int ivtv_s_std(struct file *file, void *fh, v4l2_std_id std)
{
struct ivtv *itv = fh2id(fh)->itv;
if ((std & V4L2_STD_ALL) == 0 )
return -EINVAL;
if (std == itv->std)
return 0 ;
if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ||
atomic_read(&itv->capturing) > 0 ||
atomic_read(&itv->decoding) > 0 ) {
/* Switching standard would mess with already running
streams, prevent that by returning EBUSY. */
return -EBUSY;
}
IVTV_DEBUG_INFO("Switching standard to %llx.\n" ,
(unsigned long long )itv->std);
ivtv_s_std_enc(itv, std);
if (itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT)
ivtv_s_std_dec(itv, std);
return 0 ;
}
static int ivtv_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
if (vt->index != 0 )
return -EINVAL;
ivtv_call_all(itv, tuner, s_tuner, vt);
return 0 ;
}
static int ivtv_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt)
{
struct ivtv *itv = fh2id(fh)->itv;
if (vt->index != 0 )
return -EINVAL;
ivtv_call_all(itv, tuner, g_tuner, vt);
if (vt->type == V4L2_TUNER_RADIO)
strscpy(vt->name, "ivtv Radio Tuner" , sizeof (vt->name));
else
strscpy(vt->name, "ivtv TV Tuner" , sizeof (vt->name));
return 0 ;
}
static int ivtv_g_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *cap)
{
struct ivtv *itv = fh2id(fh)->itv;
int set = itv->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525;
int f, l;
if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
for (f = 0 ; f < 2 ; f++) {
for (l = 0 ; l < 24 ; l++) {
if (valid_service_line(f, l, itv->is_50hz))
cap->service_lines[f][l] = set;
}
}
} else if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
if (!(itv->v4l2_cap & V4L2_CAP_SLICED_VBI_OUTPUT))
return -EINVAL;
if (itv->is_60hz) {
cap->service_lines[0 ][21 ] = V4L2_SLICED_CAPTION_525;
cap->service_lines[1 ][21 ] = V4L2_SLICED_CAPTION_525;
} else {
cap->service_lines[0 ][23 ] = V4L2_SLICED_WSS_625;
cap->service_lines[0 ][16 ] = V4L2_SLICED_VPS;
}
} else {
return -EINVAL;
}
set = 0 ;
for (f = 0 ; f < 2 ; f++)
for (l = 0 ; l < 24 ; l++)
set |= cap->service_lines[f][l];
cap->service_set = set;
return 0 ;
}
static int ivtv_g_enc_index(struct file *file, void *fh, struct v4l2_enc_idx *idx)
{
struct ivtv *itv = fh2id(fh)->itv;
struct v4l2_enc_idx_entry *e = idx->entry;
int entries;
int i;
entries = (itv->pgm_info_write_idx + IVTV_MAX_PGM_INDEX - itv->pgm_info_read_idx) %
IVTV_MAX_PGM_INDEX;
if (entries > V4L2_ENC_IDX_ENTRIES)
entries = V4L2_ENC_IDX_ENTRIES;
idx->entries = 0 ;
idx->entries_cap = IVTV_MAX_PGM_INDEX;
if (!atomic_read(&itv->capturing))
return 0 ;
for (i = 0 ; i < entries; i++) {
*e = itv->pgm_info[(itv->pgm_info_read_idx + i) % IVTV_MAX_PGM_INDEX];
if ((e->flags & V4L2_ENC_IDX_FRAME_MASK) <= V4L2_ENC_IDX_FRAME_B) {
idx->entries++;
e++;
}
}
itv->pgm_info_read_idx = (itv->pgm_info_read_idx + idx->entries) % IVTV_MAX_PGM_INDEX;
return 0 ;
}
static int ivtv_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
switch (enc->cmd) {
case V4L2_ENC_CMD_START:
IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n" );
enc->flags = 0 ;
return ivtv_start_capture(id);
case V4L2_ENC_CMD_STOP:
IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n" );
enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
ivtv_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END);
return 0 ;
case V4L2_ENC_CMD_PAUSE:
IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n" );
enc->flags = 0 ;
if (!atomic_read(&itv->capturing))
return -EPERM;
if (test_and_set_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
return 0 ;
ivtv_mute(itv);
ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1 , 0 );
break ;
case V4L2_ENC_CMD_RESUME:
IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n" );
enc->flags = 0 ;
if (!atomic_read(&itv->capturing))
return -EPERM;
if (!test_and_clear_bit(IVTV_F_I_ENC_PAUSED, &itv->i_flags))
return 0 ;
ivtv_vapi(itv, CX2341X_ENC_PAUSE_ENCODER, 1 , 1 );
ivtv_unmute(itv);
break ;
default :
IVTV_DEBUG_IOCTL("Unknown cmd %d\n" , enc->cmd);
return -EINVAL;
}
return 0 ;
}
static int ivtv_try_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd *enc)
{
struct ivtv *itv = fh2id(fh)->itv;
switch (enc->cmd) {
case V4L2_ENC_CMD_START:
IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_START\n" );
enc->flags = 0 ;
return 0 ;
case V4L2_ENC_CMD_STOP:
IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_STOP\n" );
enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END;
return 0 ;
case V4L2_ENC_CMD_PAUSE:
IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_PAUSE\n" );
enc->flags = 0 ;
return 0 ;
case V4L2_ENC_CMD_RESUME:
IVTV_DEBUG_IOCTL("V4L2_ENC_CMD_RESUME\n" );
enc->flags = 0 ;
return 0 ;
default :
IVTV_DEBUG_IOCTL("Unknown cmd %d\n" , enc->cmd);
return -EINVAL;
}
}
static int ivtv_g_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
{
struct ivtv *itv = fh2id(fh)->itv;
struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
u32 data[CX2341X_MBOX_MAX_DATA];
struct yuv_playback_info *yi = &itv->yuv_info;
int pixfmt;
static u32 pixel_format[16 ] = {
V4L2_PIX_FMT_PAL8, /* Uses a 256-entry RGB colormap */
V4L2_PIX_FMT_RGB565,
V4L2_PIX_FMT_RGB555,
V4L2_PIX_FMT_RGB444,
V4L2_PIX_FMT_RGB32,
0 ,
0 ,
0 ,
V4L2_PIX_FMT_PAL8, /* Uses a 256-entry YUV colormap */
V4L2_PIX_FMT_YUV565,
V4L2_PIX_FMT_YUV555,
V4L2_PIX_FMT_YUV444,
V4L2_PIX_FMT_YUV32,
0 ,
0 ,
0 ,
};
if (!(s->vdev.device_caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
return -ENOTTY;
if (!itv->osd_video_pbase)
return -ENOTTY;
fb->capability = V4L2_FBUF_CAP_EXTERNOVERLAY | V4L2_FBUF_CAP_CHROMAKEY |
V4L2_FBUF_CAP_GLOBAL_ALPHA;
ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0 );
data[0 ] |= (read_reg(0 x2a00) >> 7 ) & 0 x40;
pixfmt = (data[0 ] >> 3 ) & 0 xf;
fb->fmt.pixelformat = pixel_format[pixfmt];
fb->fmt.width = itv->osd_rect.width;
fb->fmt.height = itv->osd_rect.height;
fb->fmt.field = V4L2_FIELD_INTERLACED;
fb->fmt.bytesperline = fb->fmt.width;
fb->fmt.colorspace = V4L2_COLORSPACE_SMPTE170M;
fb->fmt.field = V4L2_FIELD_INTERLACED;
if (fb->fmt.pixelformat != V4L2_PIX_FMT_PAL8)
fb->fmt.bytesperline *= 2 ;
if (fb->fmt.pixelformat == V4L2_PIX_FMT_RGB32 ||
fb->fmt.pixelformat == V4L2_PIX_FMT_YUV32)
fb->fmt.bytesperline *= 2 ;
fb->fmt.sizeimage = fb->fmt.bytesperline * fb->fmt.height;
fb->base = (void *)itv->osd_video_pbase;
fb->flags = 0 ;
if (itv->osd_chroma_key_state)
fb->flags |= V4L2_FBUF_FLAG_CHROMAKEY;
if (itv->osd_global_alpha_state)
fb->flags |= V4L2_FBUF_FLAG_GLOBAL_ALPHA;
if (yi->track_osd)
fb->flags |= V4L2_FBUF_FLAG_OVERLAY;
pixfmt &= 7 ;
/* no local alpha for RGB565 or unknown formats */
if (pixfmt == 1 || pixfmt > 4 )
return 0 ;
/* 16-bit formats have inverted local alpha */
if (pixfmt == 2 || pixfmt == 3 )
fb->capability |= V4L2_FBUF_CAP_LOCAL_INV_ALPHA;
else
fb->capability |= V4L2_FBUF_CAP_LOCAL_ALPHA;
if (itv->osd_local_alpha_state) {
/* 16-bit formats have inverted local alpha */
if (pixfmt == 2 || pixfmt == 3 )
fb->flags |= V4L2_FBUF_FLAG_LOCAL_INV_ALPHA;
else
fb->flags |= V4L2_FBUF_FLAG_LOCAL_ALPHA;
}
return 0 ;
}
static int ivtv_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuffer *fb)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
struct yuv_playback_info *yi = &itv->yuv_info;
if (!(s->vdev.device_caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
return -ENOTTY;
if (!itv->osd_video_pbase)
return -ENOTTY;
itv->osd_global_alpha_state = (fb->flags & V4L2_FBUF_FLAG_GLOBAL_ALPHA) != 0 ;
itv->osd_local_alpha_state =
(fb->flags & (V4L2_FBUF_FLAG_LOCAL_ALPHA|V4L2_FBUF_FLAG_LOCAL_INV_ALPHA)) != 0 ;
itv->osd_chroma_key_state = (fb->flags & V4L2_FBUF_FLAG_CHROMAKEY) != 0 ;
ivtv_set_osd_alpha(itv);
yi->track_osd = (fb->flags & V4L2_FBUF_FLAG_OVERLAY) != 0 ;
return 0 ;
}
static int ivtv_overlay(struct file *file, void *fh, unsigned int on)
{
struct ivtv_open_id *id = fh2id(fh);
struct ivtv *itv = id->itv;
struct ivtv_stream *s = &itv->streams[fh2id(fh)->type];
if (!(s->vdev.device_caps & V4L2_CAP_VIDEO_OUTPUT_OVERLAY))
return -ENOTTY;
if (!itv->osd_video_pbase)
return -ENOTTY;
ivtv_vapi(itv, CX2341X_OSD_SET_STATE, 1 , on != 0 );
return 0 ;
}
static int ivtv_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subscription *sub)
{
switch (sub->type) {
case V4L2_EVENT_VSYNC:
case V4L2_EVENT_EOS:
return v4l2_event_subscribe(fh, sub, 0 , NULL);
default :
return v4l2_ctrl_subscribe_event(fh, sub);
}
}
static int ivtv_log_status(struct file *file, void *fh)
{
struct ivtv *itv = fh2id(fh)->itv;
u32 data[CX2341X_MBOX_MAX_DATA];
int has_output = itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT;
struct v4l2_input vidin;
struct v4l2_audio audin;
int i;
IVTV_INFO("Version: %s Card: %s\n" , IVTV_VERSION, itv->card_name);
if (itv->hw_flags & IVTV_HW_TVEEPROM) {
struct tveeprom tv;
ivtv_read_eeprom(itv, &tv);
}
ivtv_call_all(itv, core, log_status);
ivtv_get_input(itv, itv->active_input, &vidin);
ivtv_get_audio_input(itv, itv->audio_input, &audin);
IVTV_INFO("Video Input: %s\n" , vidin.name);
IVTV_INFO("Audio Input: %s%s\n" , audin.name,
itv->dualwatch_stereo_mode == V4L2_MPEG_AUDIO_MODE_DUAL ?
" (Bilingual)" : "" );
if (has_output) {
struct v4l2_output vidout;
struct v4l2_audioout audout;
int mode = itv->output_mode;
static const char * const output_modes[5 ] = {
"None" ,
"MPEG Streaming" ,
"YUV Streaming" ,
"YUV Frames" ,
"Passthrough" ,
};
static const char * const alpha_mode[4 ] = {
"None" ,
"Global" ,
"Local" ,
"Global and Local"
};
static const char * const pixel_format[16 ] = {
"ARGB Indexed" ,
"RGB 5:6:5" ,
"ARGB 1:5:5:5" ,
"ARGB 1:4:4:4" ,
"ARGB 8:8:8:8" ,
"5" ,
"6" ,
"7" ,
"AYUV Indexed" ,
"YUV 5:6:5" ,
"AYUV 1:5:5:5" ,
"AYUV 1:4:4:4" ,
"AYUV 8:8:8:8" ,
"13" ,
"14" ,
"15" ,
};
ivtv_get_output(itv, itv->active_output, &vidout);
ivtv_get_audio_output(itv, 0 , &audout);
IVTV_INFO("Video Output: %s\n" , vidout.name);
if (mode < 0 || mode > OUT_PASSTHROUGH)
mode = OUT_NONE;
IVTV_INFO("Output Mode: %s\n" , output_modes[mode]);
ivtv_vapi_result(itv, data, CX2341X_OSD_GET_STATE, 0 );
data[0 ] |= (read_reg(0 x2a00) >> 7 ) & 0 x40;
IVTV_INFO("Overlay: %s, Alpha: %s, Pixel Format: %s\n" ,
data[0 ] & 1 ? "On" : "Off" ,
alpha_mode[(data[0 ] >> 1 ) & 0 x3],
pixel_format[(data[0 ] >> 3 ) & 0 xf]);
}
IVTV_INFO("Tuner: %s\n" ,
test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) ? "Radio" : "TV" );
v4l2_ctrl_handler_log_status(&itv->cxhdl.hdl, itv->v4l2_dev.name);
IVTV_INFO("Status flags: 0x%08lx\n" , itv->i_flags);
for (i = 0 ; i < IVTV_MAX_STREAMS; i++) {
struct ivtv_stream *s = &itv->streams[i];
if (s->vdev.v4l2_dev == NULL || s->buffers == 0 )
continue ;
IVTV_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n" , s->name, s->s_flags,
(s->buffers - s->q_free.buffers) * 100 / s->buffers,
(s->buffers * s->buf_size) / 1024 , s->buffers);
}
IVTV_INFO("Read MPG/VBI: %lld/%lld bytes\n" ,
(long long )itv->mpg_data_received,
(long long )itv->vbi_data_inserted);
return 0 ;
}
static int ivtv_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *dec)
{
struct ivtv_open_id *id = fh2id(file->private_data);
struct ivtv *itv = id->itv;
IVTV_DEBUG_IOCTL("VIDIOC_DECODER_CMD %d\n" , dec->cmd);
return ivtv_video_command(itv, id, dec, false );
}
static int ivtv_try_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd *dec)
{
struct ivtv_open_id *id = fh2id(file->private_data);
struct ivtv *itv = id->itv;
IVTV_DEBUG_IOCTL("VIDIOC_TRY_DECODER_CMD %d\n" , dec->cmd);
return ivtv_video_command(itv, id, dec, true );
}
static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
{
struct ivtv_open_id *id = fh2id(filp->private_data);
struct ivtv *itv = id->itv;
struct ivtv_stream *s = &itv->streams[id->type];
switch (cmd) {
case IVTV_IOC_DMA_FRAME: {
struct ivtv_dma_frame *args = arg;
IVTV_DEBUG_IOCTL("IVTV_IOC_DMA_FRAME\n" );
if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
return -EINVAL;
if (args->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
return -EINVAL;
if (itv->output_mode == OUT_UDMA_YUV && args->y_source == NULL)
return 0 ;
if (ivtv_start_decoding(id, id->type)) {
return -EBUSY;
}
if (ivtv_set_output_mode(itv, OUT_UDMA_YUV) != OUT_UDMA_YUV) {
ivtv_release_stream(s);
return -EBUSY;
}
/* Mark that this file handle started the UDMA_YUV mode */
id->yuv_frames = 1 ;
if (args->y_source == NULL)
return 0 ;
return ivtv_yuv_prep_frame(itv, args);
}
case IVTV_IOC_PASSTHROUGH_MODE:
IVTV_DEBUG_IOCTL("IVTV_IOC_PASSTHROUGH_MODE\n" );
if (!(itv->v4l2_cap & V4L2_CAP_VIDEO_OUTPUT))
return -EINVAL;
return ivtv_passthrough_mode(itv, *(int *)arg != 0 );
default :
return -EINVAL;
}
return 0 ;
}
static long ivtv_default(struct file *file, void *fh, bool valid_prio,
unsigned int cmd, void *arg)
{
struct ivtv *itv = fh2id(fh)->itv;
if (!valid_prio) {
switch (cmd) {
case IVTV_IOC_PASSTHROUGH_MODE:
return -EBUSY;
}
}
switch (cmd) {
case VIDIOC_INT_RESET: {
u32 val = *(u32 *)arg;
if ((val == 0 && itv->options.newi2c) || (val & 0 x01))
ivtv_reset_ir_gpio(itv);
if (val & 0 x02)
v4l2_subdev_call(itv->sd_video, core, reset, 0 );
break ;
}
case IVTV_IOC_DMA_FRAME:
case IVTV_IOC_PASSTHROUGH_MODE:
return ivtv_decoder_ioctls(file, cmd, (void *)arg);
default :
return -ENOTTY;
}
return 0 ;
}
static const struct v4l2_ioctl_ops ivtv_ioctl_ops = {
.vidioc_querycap = ivtv_querycap,
.vidioc_s_audio = ivtv_s_audio,
.vidioc_g_audio = ivtv_g_audio,
.vidioc_enumaudio = ivtv_enumaudio,
.vidioc_s_audout = ivtv_s_audout,
.vidioc_g_audout = ivtv_g_audout,
.vidioc_enum_input = ivtv_enum_input,
.vidioc_enum_output = ivtv_enum_output,
.vidioc_enumaudout = ivtv_enumaudout,
.vidioc_g_pixelaspect = ivtv_g_pixelaspect,
.vidioc_s_selection = ivtv_s_selection,
.vidioc_g_selection = ivtv_g_selection,
.vidioc_g_input = ivtv_g_input,
.vidioc_s_input = ivtv_s_input,
.vidioc_g_output = ivtv_g_output,
.vidioc_s_output = ivtv_s_output,
.vidioc_g_frequency = ivtv_g_frequency,
.vidioc_s_frequency = ivtv_s_frequency,
.vidioc_s_tuner = ivtv_s_tuner,
.vidioc_g_tuner = ivtv_g_tuner,
.vidioc_g_enc_index = ivtv_g_enc_index,
.vidioc_g_fbuf = ivtv_g_fbuf,
.vidioc_s_fbuf = ivtv_s_fbuf,
.vidioc_g_std = ivtv_g_std,
.vidioc_s_std = ivtv_s_std,
.vidioc_overlay = ivtv_overlay,
.vidioc_log_status = ivtv_log_status,
.vidioc_enum_fmt_vid_cap = ivtv_enum_fmt_vid_cap,
.vidioc_encoder_cmd = ivtv_encoder_cmd,
.vidioc_try_encoder_cmd = ivtv_try_encoder_cmd,
.vidioc_decoder_cmd = ivtv_decoder_cmd,
.vidioc_try_decoder_cmd = ivtv_try_decoder_cmd,
.vidioc_enum_fmt_vid_out = ivtv_enum_fmt_vid_out,
.vidioc_g_fmt_vid_cap = ivtv_g_fmt_vid_cap,
.vidioc_g_fmt_vbi_cap = ivtv_g_fmt_vbi_cap,
.vidioc_g_fmt_sliced_vbi_cap = ivtv_g_fmt_sliced_vbi_cap,
.vidioc_g_fmt_vid_out = ivtv_g_fmt_vid_out,
.vidioc_g_fmt_vid_out_overlay = ivtv_g_fmt_vid_out_overlay,
.vidioc_g_fmt_sliced_vbi_out = ivtv_g_fmt_sliced_vbi_out,
.vidioc_s_fmt_vid_cap = ivtv_s_fmt_vid_cap,
.vidioc_s_fmt_vbi_cap = ivtv_s_fmt_vbi_cap,
.vidioc_s_fmt_sliced_vbi_cap = ivtv_s_fmt_sliced_vbi_cap,
.vidioc_s_fmt_vid_out = ivtv_s_fmt_vid_out,
.vidioc_s_fmt_vid_out_overlay = ivtv_s_fmt_vid_out_overlay,
.vidioc_s_fmt_sliced_vbi_out = ivtv_s_fmt_sliced_vbi_out,
.vidioc_try_fmt_vid_cap = ivtv_try_fmt_vid_cap,
.vidioc_try_fmt_vbi_cap = ivtv_try_fmt_vbi_cap,
.vidioc_try_fmt_sliced_vbi_cap = ivtv_try_fmt_sliced_vbi_cap,
.vidioc_try_fmt_vid_out = ivtv_try_fmt_vid_out,
.vidioc_try_fmt_vid_out_overlay = ivtv_try_fmt_vid_out_overlay,
.vidioc_try_fmt_sliced_vbi_out = ivtv_try_fmt_sliced_vbi_out,
.vidioc_g_sliced_vbi_cap = ivtv_g_sliced_vbi_cap,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = ivtv_g_register,
.vidioc_s_register = ivtv_s_register,
#endif
.vidioc_default = ivtv_default,
.vidioc_subscribe_event = ivtv_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
void ivtv_set_funcs(struct video_device *vdev)
{
vdev->ioctl_ops = &ivtv_ioctl_ops;
}
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