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authorOliver Endriss <o.endriss@gmx.de>2006-01-09 18:21:37 -0200
committerMauro Carvalho Chehab <mchehab@brturbo.com.br>2006-01-09 18:21:37 -0200
commit5b0fa4fff17d944b6a0d4cb35d8e8b5ad0ac3669 (patch)
tree1e31c64267ffabe37c733a00e09b91ba4453651a /drivers/media/dvb/ttpci/av7110_v4l.c
parentd312a46e5340be6a89c662ac483230c0737148c9 (diff)
V4L/DVB (3325): WSS output interface for av7110
- Implemented v4l2 api for sliced vbi data output to pass WSS data from userspace to the av7110 Signed-off-by: Oliver Endriss <o.endriss@gmx.de> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Diffstat (limited to 'drivers/media/dvb/ttpci/av7110_v4l.c')
-rw-r--r--drivers/media/dvb/ttpci/av7110_v4l.c116
1 files changed, 109 insertions, 7 deletions
diff --git a/drivers/media/dvb/ttpci/av7110_v4l.c b/drivers/media/dvb/ttpci/av7110_v4l.c
index e3296b07caa..94cf38c7e8a 100644
--- a/drivers/media/dvb/ttpci/av7110_v4l.c
+++ b/drivers/media/dvb/ttpci/av7110_v4l.c
@@ -490,6 +490,58 @@ static int av7110_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
dprintk(2, "VIDIOC_S_AUDIO: %d\n", a->index);
break;
}
+ case VIDIOC_G_SLICED_VBI_CAP:
+ {
+ struct v4l2_sliced_vbi_cap *cap = arg;
+ dprintk(2, "VIDIOC_G_SLICED_VBI_CAP\n");
+ memset(cap, 0, sizeof *cap);
+ if (FW_VERSION(av7110->arm_app) >= 0x2623) {
+ cap->service_set = V4L2_SLICED_WSS_625;
+ cap->service_lines[0][23] = V4L2_SLICED_WSS_625;
+ }
+ break;
+ }
+ case VIDIOC_G_FMT:
+ {
+ struct v4l2_format *f = arg;
+ dprintk(2, "VIDIOC_G_FMT:\n");
+ if (f->type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT ||
+ FW_VERSION(av7110->arm_app) < 0x2623)
+ return -EAGAIN; /* handled by core driver */
+ memset(&f->fmt.sliced, 0, sizeof f->fmt.sliced);
+ 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);
+ }
+ break;
+ }
+ case VIDIOC_S_FMT:
+ {
+ struct v4l2_format *f = arg;
+ dprintk(2, "VIDIOC_S_FMT\n");
+ if (f->type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT ||
+ FW_VERSION(av7110->arm_app) < 0x2623)
+ return -EAGAIN; /* handled by core driver */
+ 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);
+ /* 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;
+ }
+ break;
+ }
default:
printk("no such ioctl\n");
return -ENOIOCTLCMD;
@@ -497,6 +549,46 @@ static int av7110_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
return 0;
}
+static int av7110_vbi_reset(struct inode *inode, struct file *file)
+{
+ struct saa7146_fh *fh = file->private_data;
+ struct saa7146_dev *dev = fh->dev;
+ struct av7110 *av7110 = (struct av7110*) dev->ext_priv;
+
+ dprintk(2, "%s\n", __FUNCTION__);
+ 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_fh *fh = file->private_data;
+ struct saa7146_dev *dev = fh->dev;
+ struct av7110 *av7110 = (struct av7110*) dev->ext_priv;
+ struct v4l2_sliced_vbi_data d;
+ int rc;
+
+ dprintk(2, "%s\n", __FUNCTION__);
+ if (FW_VERSION(av7110->arm_app) < 0x2623 || !av7110->wssMode || count != sizeof d)
+ return -EINVAL;
+ if (copy_from_user(&d, data, count))
+ return -EFAULT;
+ if ((d.id != 0 && d.id != V4L2_SLICED_WSS_625) || d.field != 0 || d.line != 23)
+ return -EINVAL;
+ if (d.id) {
+ av7110->wssData = ((d.data[1] << 8) & 0x3f00) | d.data[0];
+ rc = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig,
+ 2, 1, av7110->wssData);
+ } else {
+ av7110->wssData = 0;
+ rc = av7110_fw_cmd(av7110, COMTYPE_ENCODER, SetWSSConfig, 1, 0);
+ }
+ return (rc < 0) ? rc : count;
+}
/****************************************************************************
* INITIALIZATION
@@ -512,6 +604,9 @@ static struct saa7146_extension_ioctls ioctls[] = {
{ VIDIOC_S_TUNER, SAA7146_EXCLUSIVE },
{ VIDIOC_G_AUDIO, SAA7146_EXCLUSIVE },
{ VIDIOC_S_AUDIO, SAA7146_EXCLUSIVE },
+ { VIDIOC_G_SLICED_VBI_CAP, SAA7146_EXCLUSIVE },
+ { VIDIOC_G_FMT, SAA7146_BEFORE },
+ { VIDIOC_S_FMT, SAA7146_BEFORE },
{ 0, 0 }
};
@@ -692,12 +787,11 @@ int av7110_init_v4l(struct av7110 *av7110)
saa7146_vv_release(dev);
return -ENODEV;
}
- if (av7110->analog_tuner_flags) {
- if (saa7146_register_device(&av7110->vbi_dev, dev, "av7110", VFL_TYPE_VBI)) {
- ERR(("cannot register vbi v4l2 device. skipping.\n"));
- } else {
+ if (saa7146_register_device(&av7110->vbi_dev, dev, "av7110", VFL_TYPE_VBI)) {
+ ERR(("cannot register vbi v4l2 device. skipping.\n"));
+ } else {
+ if (av7110->analog_tuner_flags)
av7110->analog_tuner_flags |= ANALOG_TUNER_VBI;
- }
}
return 0;
}
@@ -778,7 +872,7 @@ static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
static struct saa7146_ext_vv av7110_vv_data_st = {
.inputs = 1,
.audios = 1,
- .capabilities = 0,
+ .capabilities = V4L2_CAP_SLICED_VBI_OUTPUT,
.flags = 0,
.stds = &standard[0],
@@ -787,12 +881,16 @@ static struct saa7146_ext_vv av7110_vv_data_st = {
.ioctls = &ioctls[0],
.ioctl = av7110_ioctl,
+
+ .vbi_fops.open = av7110_vbi_reset,
+ .vbi_fops.release = av7110_vbi_reset,
+ .vbi_fops.write = av7110_vbi_write,
};
static struct saa7146_ext_vv av7110_vv_data_c = {
.inputs = 1,
.audios = 1,
- .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
+ .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_OUTPUT,
.flags = SAA7146_USE_PORT_B_FOR_VBI,
.stds = &standard[0],
@@ -801,5 +899,9 @@ static struct saa7146_ext_vv av7110_vv_data_c = {
.ioctls = &ioctls[0],
.ioctl = av7110_ioctl,
+
+ .vbi_fops.open = av7110_vbi_reset,
+ .vbi_fops.release = av7110_vbi_reset,
+ .vbi_fops.write = av7110_vbi_write,
};