From 5b0fa4fff17d944b6a0d4cb35d8e8b5ad0ac3669 Mon Sep 17 00:00:00 2001
From: Oliver Endriss <o.endriss@gmx.de>
Date: Mon, 9 Jan 2006 18:21:37 -0200
Subject: [PATCH] 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>
---
drivers/media/common/saa7146_fops.c | 37 ++++++++-
drivers/media/dvb/ttpci/av7110.h | 3 +
drivers/media/dvb/ttpci/av7110_hw.h | 3 +-
drivers/media/dvb/ttpci/av7110_v4l.c | 116 +++++++++++++++++++++++++--
include/media/saa7146_vv.h | 2 +
5 files changed, 149 insertions(+), 12 deletions(-)
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index a9ff5b5af1cf..b614612be7b4 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -253,7 +253,10 @@ static int fops_open(struct inode *inode, struct file *file)
if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
DEB_S(("initializing vbi...\n"));
- result = saa7146_vbi_uops.open(dev,file);
+ if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ result = saa7146_vbi_uops.open(dev,file);
+ if (dev->ext_vv_data->vbi_fops.open)
+ dev->ext_vv_data->vbi_fops.open(inode, file);
} else {
DEB_S(("initializing video...\n"));
result = saa7146_video_uops.open(dev,file);
@@ -289,7 +292,10 @@ static int fops_release(struct inode *inode, struct file *file)
return -ERESTARTSYS;
if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
- saa7146_vbi_uops.release(dev,file);
+ if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ saa7146_vbi_uops.release(dev,file);
+ if (dev->ext_vv_data->vbi_fops.release)
+ dev->ext_vv_data->vbi_fops.release(inode, file);
} else {
saa7146_video_uops.release(dev,file);
}
@@ -382,7 +388,10 @@ static ssize_t fops_read(struct file *file, char __user *data, size_t count, lof
}
case V4L2_BUF_TYPE_VBI_CAPTURE: {
// DEB_EE(("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, data:%p, count:%lu\n", file, data, (unsigned long)count));
- return saa7146_vbi_uops.read(file,data,count,ppos);
+ if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ return saa7146_vbi_uops.read(file,data,count,ppos);
+ else
+ return -EINVAL;
}
break;
default:
@@ -391,12 +400,31 @@ static ssize_t fops_read(struct file *file, char __user *data, size_t count, lof
}
}
+static ssize_t fops_write(struct file *file, const char __user *data, size_t count, loff_t *ppos)
+{
+ struct saa7146_fh *fh = file->private_data;
+
+ switch (fh->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ return -EINVAL;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ if (fh->dev->ext_vv_data->vbi_fops.write)
+ return fh->dev->ext_vv_data->vbi_fops.write(file, data, count, ppos);
+ else
+ return -EINVAL;
+ default:
+ BUG();
+ return -EINVAL;
+ }
+}
+
static struct file_operations video_fops =
{
.owner = THIS_MODULE,
.open = fops_open,
.release = fops_release,
.read = fops_read,
+ .write = fops_write,
.poll = fops_poll,
.mmap = fops_mmap,
.ioctl = fops_ioctl,
@@ -468,7 +496,8 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
memset(vv->d_clipping.cpu_addr, 0x0, SAA7146_CLIPPING_MEM);
saa7146_video_uops.init(dev,vv);
- saa7146_vbi_uops.init(dev,vv);
+ if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
+ saa7146_vbi_uops.init(dev,vv);
dev->vv_data = vv;
dev->vv_callback = &vv_callback;
diff --git a/drivers/media/dvb/ttpci/av7110.h b/drivers/media/dvb/ttpci/av7110.h
index 6cf395e01d34..6ea30df2e823 100644
--- a/drivers/media/dvb/ttpci/av7110.h
+++ b/drivers/media/dvb/ttpci/av7110.h
@@ -229,6 +229,9 @@ struct av7110 {
struct dvb_video_events video_events;
video_size_t video_size;
+ u16 wssMode;
+ u16 wssData;
+
u32 ir_config;
u32 ir_command;
void (*ir_handler)(struct av7110 *av7110, u32 ircom);
diff --git a/drivers/media/dvb/ttpci/av7110_hw.h b/drivers/media/dvb/ttpci/av7110_hw.h
index 2a5e87ba1052..84b83299b8be 100644
--- a/drivers/media/dvb/ttpci/av7110_hw.h
+++ b/drivers/media/dvb/ttpci/av7110_hw.h
@@ -167,7 +167,8 @@ enum av7110_encoder_command {
LoadVidCode,
SetMonitorType,
SetPanScanType,
- SetFreezeMode
+ SetFreezeMode,
+ SetWSSConfig
};
enum av7110_rec_play_state {
diff --git a/drivers/media/dvb/ttpci/av7110_v4l.c b/drivers/media/dvb/ttpci/av7110_v4l.c
index e3296b07caac..94cf38c7e8a8 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,
};
diff --git a/include/media/saa7146_vv.h b/include/media/saa7146_vv.h
index 16af9299315f..e5e749e984ee 100644
--- a/include/media/saa7146_vv.h
+++ b/include/media/saa7146_vv.h
@@ -178,6 +178,8 @@ struct saa7146_ext_vv
struct saa7146_extension_ioctls *ioctls;
int (*ioctl)(struct saa7146_fh*, unsigned int cmd, void *arg);
+
+ struct file_operations vbi_fops;
};
struct saa7146_use_ops {
--
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