diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-10-09 13:01:05 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-04-16 23:59:29 +0200 |
| commit | 701b57ee3387b8e3749845b02310b5625fbd8da0 (patch) | |
| tree | 359260df9fa9bad7c82eaf9374a5e1bf502b9401 /include/media | |
| parent | [media] vb2: add thread support (diff) | |
| download | linux-701b57ee3387b8e3749845b02310b5625fbd8da0.tar.xz linux-701b57ee3387b8e3749845b02310b5625fbd8da0.zip | |
[media] vb2: Add videobuf2-dvb support
With the new vb2_thread_start/stop core code it is very easy to implement
videobuf2-dvb. This should simplify converting existing videobuf drivers to
vb2.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/videobuf2-dvb.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/media/videobuf2-dvb.h b/include/media/videobuf2-dvb.h new file mode 100644 index 000000000000..8f61456f1394 --- /dev/null +++ b/include/media/videobuf2-dvb.h @@ -0,0 +1,58 @@ +#ifndef _VIDEOBUF2_DVB_H_ +#define _VIDEOBUF2_DVB_H_ + +#include <dvbdev.h> +#include <dmxdev.h> +#include <dvb_demux.h> +#include <dvb_net.h> +#include <dvb_frontend.h> +#include <media/videobuf2-core.h> + +struct vb2_dvb { + /* filling that the job of the driver */ + char *name; + struct dvb_frontend *frontend; + struct vb2_queue dvbq; + + /* video-buf-dvb state info */ + struct mutex lock; + int nfeeds; + + /* vb2_dvb_(un)register manages this */ + struct dvb_demux demux; + struct dmxdev dmxdev; + struct dmx_frontend fe_hw; + struct dmx_frontend fe_mem; + struct dvb_net net; +}; + +struct vb2_dvb_frontend { + struct list_head felist; + int id; + struct vb2_dvb dvb; +}; + +struct vb2_dvb_frontends { + struct list_head felist; + struct mutex lock; + struct dvb_adapter adapter; + int active_fe_id; /* Indicates which frontend in the felist is in use */ + int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */ +}; + +int vb2_dvb_register_bus(struct vb2_dvb_frontends *f, + struct module *module, + void *adapter_priv, + struct device *device, + short *adapter_nr, + int mfe_shared); + +void vb2_dvb_unregister_bus(struct vb2_dvb_frontends *f); + +struct vb2_dvb_frontend *vb2_dvb_alloc_frontend(struct vb2_dvb_frontends *f, int id); +void vb2_dvb_dealloc_frontends(struct vb2_dvb_frontends *f); + +struct vb2_dvb_frontend *vb2_dvb_get_frontend(struct vb2_dvb_frontends *f, int id); +int vb2_dvb_find_frontend(struct vb2_dvb_frontends *f, struct dvb_frontend *p); + +#endif /* _VIDEOBUF2_DVB_H_ */ |