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Commit bb13c65f authored by Sudheer Papothi's avatar Sudheer Papothi Committed by Gerrit - the friendly Code Review server
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soc: soundwire: update regmap support for soundwire 



Update regmap support for soundwire interface. This change
adds init function to initialize soundwire register map.

Change-Id: I9a6eee5c0ca507cafdf6416a4adea4e60b714eba
Signed-off-by: default avatarSudheer Papothi <spapothi@codeaurora.org>
parent 2e7fc986

include/soc/soundwire.h

+36 −1
Original line number Diff line number Diff line
@@ -7,10 +7,12 @@ 
#define _LINUX_SOUNDWIRE_H

#include <linux/device.h>

#include <linux/mutex.h>

#include "audio_mod_devicetable.h"

#include <linux/irqdomain.h>

#include <linux/regmap.h>

#include "audio_mod_devicetable.h"



extern struct bus_type soundwire_type;

struct swr_device;



/* Soundwire supports max. of 8 channels per port */

#define SWR_MAX_CHANNEL_NUM	8
@@ -23,6 +25,39 @@ extern struct bus_type soundwire_type; 
 */

#define SWR_MAX_MSTR_PORT_NUM	(SWR_MAX_DEV_NUM * SWR_MAX_DEV_PORT_NUM)



/* Regmap support for soundwire interface */

struct regmap *__devm_regmap_init_swr(struct swr_device *dev,

				      const struct regmap_config *config,

				      struct lock_class_key *lock_key,

				      const char *lock_name);



/**

 * regmap_init_swr(): Initialise register map

 *

 * @swr: Device that will be interacted with

 * @config: Configuration for register map

 *

 * The return value will be an ERR_PTR() on error or a valid pointer to

 * a struct regmap.

 */

#define regmap_init_swr(swr, config)					\

	__regmap_lockdep_wrapper(__regmap_init_swr, #config,		\

				swr, config)



/**

 * devm_regmap_init_swr(): Initialise managed register map

 *

 * @swr: Device that will be interacted with

 * @config: Configuration for register map

 *

 * The return value will be an ERR_PTR() on error or a valid pointer

 * to a struct regmap.  The regmap will be automatically freed by the

 * device management code.

 */

#define devm_regmap_init_swr(swr, config)                              \

	__regmap_lockdep_wrapper(__devm_regmap_init_swr, #config,       \

				swr, config)



/* Indicates soundwire devices group information */

enum {

	SWR_GROUP_NONE = 0,