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[media] cx88: convert cx88-blackbird to the control framework 

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2012-07-02 08:47:11 -03:00 коммит произвёл Mauro Carvalho Chehab
Родитель 8c7cb12ac1
Коммит 7bb34c8e42
2 изменённых файлов: 39 добавлений и 69 удалений
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106
drivers/media/video/cx88/cx88-blackbird.c
Просмотреть файл

@ -523,11 +523,10 @@ static void blackbird_codec_settings(struct cx8802_dev *dev)
blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
dev->height, dev->width);
dev->params.width = dev->width;
dev->params.height = dev->height;
dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
dev->cxhdl.width = dev->width;
dev->cxhdl.height = dev->height;
cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50);
cx2341x_handler_setup(&dev->cxhdl);
}
static int blackbird_initialize_codec(struct cx8802_dev *dev)
@ -618,6 +617,8 @@ static int blackbird_start_codec(struct file *file, void *priv)
/* initialize the video input */
blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
cx2341x_handler_set_busy(&dev->cxhdl, 1);
/* start capturing to the host interface */
blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
BLACKBIRD_MPEG_CAPTURE,
@ -636,6 +637,8 @@ static int blackbird_stop_codec(struct cx8802_dev *dev)
BLACKBIRD_RAW_BITS_NONE
);
cx2341x_handler_set_busy(&dev->cxhdl, 0);
dev->mpeg_active = 0;
return 0;
}
@ -721,7 +724,7 @@ static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
f->fmt.pix.field = fh->mpegq.field;
dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
dev->width, dev->height, fh->mpegq.field );
return 0;
}
@ -736,7 +739,7 @@ static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
f->fmt.pix.colorspace = 0;
dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
dev->width, dev->height, fh->mpegq.field );
return 0;
}
@ -758,7 +761,7 @@ static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
f->fmt.pix.height, f->fmt.pix.width);
dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
return 0;
}
@ -791,60 +794,21 @@ static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx8802_fh *fh = priv;
struct cx8802_dev *dev = fh->dev;
if (!dev->mpeg_active)
blackbird_start_codec(file, fh);
return videobuf_streamon(&fh->mpegq);
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx8802_fh *fh = priv;
return videobuf_streamoff(&fh->mpegq);
}
static int vidioc_g_ext_ctrls (struct file *file, void *priv,
struct v4l2_ext_controls *f)
{
struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
}
static int vidioc_s_ext_ctrls (struct file *file, void *priv,
struct v4l2_ext_controls *f)
{
struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
struct cx2341x_mpeg_params p;
int err;
if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
struct cx8802_dev *dev = fh->dev;
if (dev->mpeg_active)
blackbird_stop_codec(dev);
p = dev->params;
err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
if (!err) {
err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
dev->params = p;
}
return err;
}
static int vidioc_try_ext_ctrls (struct file *file, void *priv,
struct v4l2_ext_controls *f)
{
struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
struct cx2341x_mpeg_params p;
int err;
if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
p = dev->params;
err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
return err;
return videobuf_streamoff(&fh->mpegq);
}
static int vidioc_s_frequency (struct file *file, void *priv,
@ -871,12 +835,8 @@ static int vidioc_log_status (struct file *file, void *priv)
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", core->name);
printk("%s/2: ============ START LOG STATUS ============\n",
core->name);
call_all(core, core, log_status);
cx2341x_log_status(&dev->params, name);
printk("%s/2: ============= END LOG STATUS =============\n",
core->name);
v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
return 0;
}
@ -1082,10 +1042,11 @@ mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
static unsigned int
mpeg_poll(struct file *file, struct poll_table_struct *wait)
{
unsigned long req_events = poll_requested_events(wait);
struct cx8802_fh *fh = file->private_data;
struct cx8802_dev *dev = fh->dev;
if (!dev->mpeg_active)
if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM)))
blackbird_start_codec(file, fh);
return videobuf_poll_stream(file, &fh->mpegq, wait);
@ -1122,9 +1083,6 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.vidioc_dqbuf = vidioc_dqbuf,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
.vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
.vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
.vidioc_s_frequency = vidioc_s_frequency,
.vidioc_log_status = vidioc_log_status,
.vidioc_enum_input = vidioc_enum_input,
@ -1209,6 +1167,7 @@ static int blackbird_register_video(struct cx8802_dev *dev)
dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
&cx8802_mpeg_template,"mpeg");
dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl;
video_set_drvdata(dev->mpeg_dev, dev);
err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
if (err < 0) {
@ -1240,18 +1199,23 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv)
if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
goto fail_core;
dev->width = 720;
dev->height = 576;
cx2341x_fill_defaults(&dev->params);
dev->params.port = CX2341X_PORT_STREAMING;
cx8802_mpeg_template.current_norm = core->tvnorm;
dev->width = 720;
if (core->tvnorm & V4L2_STD_525_60) {
dev->height = 480;
} else {
dev->height = 576;
}
dev->cxhdl.port = CX2341X_PORT_STREAMING;
dev->cxhdl.width = dev->width;
dev->cxhdl.height = dev->height;
dev->cxhdl.func = blackbird_mbox_func;
dev->cxhdl.priv = dev;
err = cx2341x_handler_init(&dev->cxhdl, 36);
if (err)
goto fail_core;
v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl);
/* blackbird stuff */
printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
@ -1259,12 +1223,14 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv)
host_setup(dev->core);
blackbird_initialize_codec(dev);
blackbird_register_video(dev);
/* initial device configuration: needed ? */
// init_controls(core);
cx88_set_tvnorm(core,core->tvnorm);
cx88_video_mux(core,0);
cx2341x_handler_set_50hz(&dev->cxhdl, dev->height == 576);
cx2341x_handler_setup(&dev->cxhdl);
blackbird_register_video(dev);
return 0;
@ -1274,8 +1240,12 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv)
static int cx8802_blackbird_remove(struct cx8802_driver *drv)
{
struct cx88_core *core = drv->core;
struct cx8802_dev *dev = core->dvbdev;
/* blackbird */
blackbird_unregister_video(drv->core->dvbdev);
v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
return 0;
}

2
drivers/media/video/cx88/cx88.h
Просмотреть файл

@ -575,7 +575,7 @@ struct cx8802_dev {
unsigned char mpeg_active; /* nonzero if mpeg encoder is active */
/* mpeg params */
struct cx2341x_mpeg_params params;
struct cx2341x_handler cxhdl;
#endif
#if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)