diff options
| -rw-r--r-- | Documentation/DocBook/device-drivers.tmpl | 1 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.h | 23 |
2 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl index fc7242dd5d65..7b3fcc5effcd 100644 --- a/Documentation/DocBook/device-drivers.tmpl +++ b/Documentation/DocBook/device-drivers.tmpl @@ -244,6 +244,7 @@ X!Isound/sound_firmware.c !Idrivers/media/dvb-core/dvbdev.h </sect1> <sect1><title>Digital TV Frontend kABI</title> +!Pdrivers/media/dvb-core/dvb_frontend.h Digital TV Frontend !Idrivers/media/dvb-core/dvb_frontend.h </sect1> <sect1><title>Digital TV Demux kABI</title> diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h index d15507be60ff..47e1ee44d638 100644 --- a/drivers/media/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb-core/dvb_frontend.h @@ -42,6 +42,29 @@ #include "dvbdev.h" +/** + * DOC: Digital TV Frontend + * + * The Digital TV Frontend kABI defines a driver-internal interface for + * registering low-level, hardware specific driver to a hardware independent + * frontend layer. It is only of interest for Digital TV device driver writers. + * The header file for this API is named dvb_frontend.h and located in + * drivers/media/dvb-core. + * + * Before using the Digital TV frontend core, the bridge driver should attach + * the frontend demod, tuner and SEC devices and call dvb_register_frontend(), + * in order to register the new frontend at the subsystem. At device + * detach/removal, the bridge driver should call dvb_unregister_frontend() to + * remove the frontend from the core and then dvb_frontend_detach() to free the + * memory allocated by the frontend drivers. + * + * The drivers should also call dvb_frontend_suspend() as part of their + * handler for the &device_driver.suspend(), and dvb_frontend_resume() as + * part of their handler for &device_driver.resume(). + * + * A few other optional functions are provided to handle some special cases. + */ + /* * Maximum number of Delivery systems per frontend. It * should be smaller or equal to 32 |
