mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

media: staging: media: av7110: fix VBI output support 

With these changes it now passes the v4l2-compliance test.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Hans Verkuil 2023-03-22 12:51:56 +00:00 committed by Mauro Carvalho Chehab
parent c116a5c677
commit 5fe4230d0e
1 changed files with 60 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

98
drivers/staging/media/av7110/av7110_v4l.c
View File

@ -473,6 +473,28 @@ static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
return av7110_dvb_c_switch(dev);
}
static int vidioc_enum_output(struct file *file, void *fh, struct v4l2_output *o)
{
if (o->index)
return -EINVAL;
strscpy(o->name, "Video Output", sizeof(o->name));
o->type = V4L2_OUTPUT_TYPE_ANALOG;
o->std = V4L2_STD_NTSC_M | V4L2_STD_PAL_BG;
o->capabilities = V4L2_OUT_CAP_STD;
return 0;
}
static int vidioc_g_output(struct file *file, void *fh, unsigned int *output)
{
*output = 0;
return 0;
}
static int vidioc_s_output(struct file *file, void *fh, unsigned int output)
{
return output ? -EINVAL : 0;
}
static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a)
{
dprintk(2, "VIDIOC_G_AUDIO: %d\n", a->index);
@ -536,8 +558,29 @@ static int vidioc_g_fmt_sliced_vbi_out(struct file *file, void *fh,
if (av7110->wssMode) {
f->fmt.sliced.service_set = V4L2_SLICED_WSS_625;
f->fmt.sliced.service_lines[0][23] = V4L2_SLICED_WSS_625;
f->fmt.sliced.io_size = sizeof(struct v4l2_sliced_vbi_data);
}
f->fmt.sliced.io_size = sizeof(struct v4l2_sliced_vbi_data);
return 0;
}
static int vidioc_try_fmt_sliced_vbi_out(struct file *file, void *fh,
struct v4l2_format *f)
{
struct saa7146_dev *dev = video_drvdata(file);
struct av7110 *av7110 = (struct av7110 *)dev->ext_priv;
bool want_wss = (f->fmt.sliced.service_set & V4L2_SLICED_WSS_625) ||
(!f->fmt.sliced.service_set &&
f->fmt.sliced.service_lines[0][23] == V4L2_SLICED_WSS_625);
dprintk(2, "VIDIOC_G_FMT:\n");
if (FW_VERSION(av7110->arm_app) < 0x2623)
return -EINVAL;
memset(&f->fmt.sliced, 0, sizeof(f->fmt.sliced));
if (want_wss) {
f->fmt.sliced.service_set = V4L2_SLICED_WSS_625;
f->fmt.sliced.service_lines[0][23] = V4L2_SLICED_WSS_625;
}
f->fmt.sliced.io_size = sizeof(struct v4l2_sliced_vbi_data);
return 0;
}
@ -548,42 +591,22 @@ static int vidioc_s_fmt_sliced_vbi_out(struct file *file, void *fh,
struct av7110 *av7110 = (struct av7110 *)dev->ext_priv;
dprintk(2, "VIDIOC_S_FMT\n");
if (FW_VERSION(av7110->arm_app) < 0x2623)
if (vidioc_try_fmt_sliced_vbi_out(file, fh, f))
return -EINVAL;
if (f->fmt.sliced.service_set != V4L2_SLICED_WSS_625 &&
f->fmt.sliced.service_lines[0][23] != V4L2_SLICED_WSS_625) {
memset(&f->fmt.sliced, 0, sizeof(f->fmt.sliced));
if (f->fmt.sliced.service_set & V4L2_SLICED_WSS_625) {
/* WSS controlled by userspace */
av7110->wssMode = 1;
av7110->wssData = 0;
} else {
/* WSS controlled by firmware */
av7110->wssMode = 0;
av7110->wssData = 0;
return av7110_fw_cmd(av7110, COMTYPE_ENCODER,
SetWSSConfig, 1, 0);
} else {
memset(&f->fmt.sliced, 0, sizeof(f->fmt.sliced));
f->fmt.sliced.service_set = V4L2_SLICED_WSS_625;
f->fmt.sliced.service_lines[0][23] = V4L2_SLICED_WSS_625;
f->fmt.sliced.io_size = sizeof(struct v4l2_sliced_vbi_data);
/* WSS controlled by userspace */
av7110->wssMode = 1;
av7110->wssData = 0;
}
return 0;
}
static int av7110_vbi_reset(struct file *file)
{
struct saa7146_dev *dev = video_drvdata(file);
struct av7110 *av7110 = (struct av7110*) dev->ext_priv;
dprintk(2, "%s\n", __func__);
av7110->wssMode = 0;
av7110->wssData = 0;
if (FW_VERSION(av7110->arm_app) < 0x2623)
return 0;
else
return av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig, 1, 0);
}
static ssize_t av7110_vbi_write(struct file *file, const char __user *data, size_t count, loff_t *ppos)
{
struct saa7146_dev *dev = video_drvdata(file);
@ -801,13 +824,16 @@ int av7110_init_v4l(struct av7110 *av7110)
vv_data->vid_ops.vidioc_s_audio = vidioc_s_audio;
vv_data->vid_ops.vidioc_g_fmt_vbi_cap = NULL;
vv_data->vbi_ops.vidioc_g_tuner = vidioc_g_tuner;
vv_data->vbi_ops.vidioc_s_tuner = vidioc_s_tuner;
vv_data->vbi_ops.vidioc_g_frequency = vidioc_g_frequency;
vv_data->vbi_ops.vidioc_s_frequency = vidioc_s_frequency;
vv_data->vbi_ops.vidioc_enum_output = vidioc_enum_output;
vv_data->vbi_ops.vidioc_g_output = vidioc_g_output;
vv_data->vbi_ops.vidioc_s_output = vidioc_s_output;
vv_data->vbi_ops.vidioc_g_parm = NULL;
vv_data->vbi_ops.vidioc_g_fmt_vbi_cap = NULL;
vv_data->vbi_ops.vidioc_try_fmt_vbi_cap = NULL;
vv_data->vbi_ops.vidioc_s_fmt_vbi_cap = NULL;
vv_data->vbi_ops.vidioc_g_sliced_vbi_cap = vidioc_g_sliced_vbi_cap;
vv_data->vbi_ops.vidioc_g_fmt_sliced_vbi_out = vidioc_g_fmt_sliced_vbi_out;
vv_data->vbi_ops.vidioc_try_fmt_sliced_vbi_out = vidioc_try_fmt_sliced_vbi_out;
vv_data->vbi_ops.vidioc_s_fmt_sliced_vbi_out = vidioc_s_fmt_sliced_vbi_out;
if (FW_VERSION(av7110->arm_app) < 0x2623)
@ -848,7 +874,7 @@ static struct saa7146_standard standard[] = {
.h_offset = 0x48, .h_pixels = 708,
.v_max_out = 576, .h_max_out = 768,
}, {
.name = "NTSC", .id = V4L2_STD_NTSC,
.name = "NTSC", .id = V4L2_STD_NTSC_M,
.v_offset = 0x10, .v_field = 244,
.h_offset = 0x40, .h_pixels = 708,
.v_max_out = 480, .h_max_out = 640,
@ -862,7 +888,7 @@ static struct saa7146_standard analog_standard[] = {
.h_offset = 0x08, .h_pixels = 708,
.v_max_out = 576, .h_max_out = 768,
}, {
.name = "NTSC", .id = V4L2_STD_NTSC,
.name = "NTSC", .id = V4L2_STD_NTSC_M,
.v_offset = 0x10, .v_field = 244,
.h_offset = 0x40, .h_pixels = 708,
.v_max_out = 480, .h_max_out = 640,
@ -876,7 +902,7 @@ static struct saa7146_standard dvb_standard[] = {
.h_offset = 0x48, .h_pixels = 708,
.v_max_out = 576, .h_max_out = 768,
}, {
.name = "NTSC", .id = V4L2_STD_NTSC,
.name = "NTSC", .id = V4L2_STD_NTSC_M,
.v_offset = 0x10, .v_field = 244,
.h_offset = 0x40, .h_pixels = 708,
.v_max_out = 480, .h_max_out = 640,
@ -912,8 +938,6 @@ static struct saa7146_ext_vv av7110_vv_data_st = {
.num_stds = ARRAY_SIZE(standard),
.std_callback = &std_callback,
.vbi_fops.open = av7110_vbi_reset,
.vbi_fops.release = av7110_vbi_reset,
.vbi_fops.write = av7110_vbi_write,
};
@ -927,8 +951,6 @@ static struct saa7146_ext_vv av7110_vv_data_c = {
.num_stds = ARRAY_SIZE(standard),
.std_callback = &std_callback,
.vbi_fops.open = av7110_vbi_reset,
.vbi_fops.release = av7110_vbi_reset,
.vbi_fops.write = av7110_vbi_write,
};