From 5b0fa4fff17d944b6a0d4cb35d8e8b5ad0ac3669 Mon Sep 17 00:00:00 2001 From: Oliver Endriss Date: Mon, 9 Jan 2006 18:21:37 -0200 Subject: 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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/ttpci/av7110_v4l.c | 116 ++++++++++++++++++++++++++++++++--- 1 file changed, 109 insertions(+), 7 deletions(-) (limited to 'drivers/media/dvb/ttpci/av7110_v4l.c') 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, }; -- cgit v1.2.3