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Commit 6bbf7a85 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

media: dvbdev: convert DVB device types into an enum 



Enums can be documented via kernel-doc. So, convert the
DVB_DEVICE_* macros to an enum.

Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 259a41d9

drivers/media/dvb-core/dvbdev.c

+29 −5
Original line number Diff line number Diff line
@@ -51,8 +51,15 @@ static LIST_HEAD(dvb_adapter_list); 
static DEFINE_MUTEX(dvbdev_register_lock);



static const char * const dnames[] = {

	"video", "audio", "sec", "frontend", "demux", "dvr", "ca",

	"net", "osd"

	[DVB_DEVICE_VIDEO] =		"video",

	[DVB_DEVICE_AUDIO] =		"audio",

	[DVB_DEVICE_SEC] =		"sec",

	[DVB_DEVICE_FRONTEND] =		"frontend",

	[DVB_DEVICE_DEMUX] =		"demux",

	[DVB_DEVICE_DVR] =		"dvr",

	[DVB_DEVICE_CA] =		"ca",

	[DVB_DEVICE_NET] =		"net",

	[DVB_DEVICE_OSD] =		"osd"

};



#ifdef CONFIG_DVB_DYNAMIC_MINORS
@@ -60,7 +67,24 @@ static const char * const dnames[] = { 
#define DVB_MAX_IDS		MAX_DVB_MINORS

#else

#define DVB_MAX_IDS		4

#define nums2minor(num, type, id)	((num << 6) | (id << 4) | type)



static int nums2minor(int num, enum dvb_device_type type, int id)

{

	int n = (num << 6) | (id << 4);



	switch (type) {

	case DVB_DEVICE_VIDEO:		return n;

	case DVB_DEVICE_AUDIO:		return n | 1;

	case DVB_DEVICE_SEC:		return n | 2;

	case DVB_DEVICE_FRONTEND:	return n | 3;

	case DVB_DEVICE_DEMUX:		return n | 4;

	case DVB_DEVICE_DVR:		return n | 5;

	case DVB_DEVICE_CA:		return n | 6;

	case DVB_DEVICE_NET:		return n | 7;

	case DVB_DEVICE_OSD:		return n | 8;

	}

}



#define MAX_DVB_MINORS		(DVB_MAX_ADAPTERS*64)

#endif
@@ -426,8 +450,8 @@ static int dvb_register_media_device(struct dvb_device *dvbdev, 
}



int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,

			const struct dvb_device *template, void *priv, int type,

			int demux_sink_pads)

			const struct dvb_device *template, void *priv,

			enum dvb_device_type type, int demux_sink_pads)

{

	struct dvb_device *dvbdev;

	struct file_operations *dvbdevfops;

drivers/media/dvb-core/dvbdev.h

+35 −16
Original line number Diff line number Diff line
@@ -35,15 +35,37 @@ 


#define DVB_UNSET (-1)



#define DVB_DEVICE_VIDEO      0

#define DVB_DEVICE_AUDIO      1

#define DVB_DEVICE_SEC        2

#define DVB_DEVICE_FRONTEND   3

#define DVB_DEVICE_DEMUX      4

#define DVB_DEVICE_DVR        5

#define DVB_DEVICE_CA         6

#define DVB_DEVICE_NET        7

#define DVB_DEVICE_OSD        8

/* List of DVB device types */



/**

 * enum dvb_device_type - type of the Digital TV device

 *

 * @DVB_DEVICE_SEC:		Digital TV standalone Common Interface (CI)

 * @DVB_DEVICE_FRONTEND:	Digital TV frontend.

 * @DVB_DEVICE_DEMUX:		Digital TV demux.

 * @DVB_DEVICE_DVR:		Digital TV digital video record (DVR).

 * @DVB_DEVICE_CA:		Digital TV Conditional Access (CA).

 * @DVB_DEVICE_NET:		Digital TV network.

 *

 * @DVB_DEVICE_VIDEO:		Digital TV video decoder.

 *				Deprecated. Used only on av7110-av.

 * @DVB_DEVICE_AUDIO:		Digital TV audio decoder.

 *				Deprecated. Used only on av7110-av.

 * @DVB_DEVICE_OSD:		Digital TV On Screen Display (OSD).

 *				Deprecated. Used only on av7110.

 */

enum dvb_device_type {

	DVB_DEVICE_SEC,

	DVB_DEVICE_FRONTEND,

	DVB_DEVICE_DEMUX,

	DVB_DEVICE_DVR,

	DVB_DEVICE_CA,

	DVB_DEVICE_NET,



	DVB_DEVICE_VIDEO,

	DVB_DEVICE_AUDIO,

	DVB_DEVICE_OSD,

};



#define DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr) \

	static short adapter_nr[] = \
@@ -104,8 +126,7 @@ struct dvb_adapter { 
 * @list_head:	List head with all DVB devices

 * @fops:	pointer to struct file_operations

 * @adapter:	pointer to the adapter that holds this device node

 * @type:	type of the device: DVB_DEVICE_SEC, DVB_DEVICE_FRONTEND,

 *		DVB_DEVICE_DEMUX, DVB_DEVICE_DVR, DVB_DEVICE_CA, DVB_DEVICE_NET

 * @type:	type of the device, as defined by &enum dvb_device_type.

 * @minor:	devnode minor number. Major number is always DVB_MAJOR.

 * @id:		device ID number, inside the adapter

 * @readers:	Initialized by the caller. Each call to open() in Read Only mode
@@ -135,7 +156,7 @@ struct dvb_device { 
	struct list_head list_head;

	const struct file_operations *fops;

	struct dvb_adapter *adapter;

	int type;

	enum dvb_device_type type;

	int minor;

	u32 id;
@@ -194,9 +215,7 @@ int dvb_unregister_adapter(struct dvb_adapter *adap); 
 *		stored

 * @template:	Template used to create &pdvbdev;

 * @priv:	private data

 * @type:	type of the device: %DVB_DEVICE_SEC, %DVB_DEVICE_FRONTEND,

 *		%DVB_DEVICE_DEMUX, %DVB_DEVICE_DVR, %DVB_DEVICE_CA,

 *		%DVB_DEVICE_NET

 * @type:	type of the device, as defined by &enum dvb_device_type.

 * @demux_sink_pads: Number of demux outputs, to be used to create the TS

 *		outputs via the Media Controller.

 */
@@ -204,7 +223,7 @@ int dvb_register_device(struct dvb_adapter *adap, 
			struct dvb_device **pdvbdev,

			const struct dvb_device *template,

			void *priv,

			int type,

			enum dvb_device_type type,

			int demux_sink_pads);



/**