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Commit 28bedc59 authored by Mark Brown's avatar Mark Brown
Browse files

Merge remote-tracking branches 'asoc/topic/topology', 'asoc/topic/twl6040',... 

Merge remote-tracking branches 'asoc/topic/topology', 'asoc/topic/twl6040', 'asoc/topic/wm5100', 'asoc/topic/wm8741' and 'asoc/topic/wm8960' into asoc-next
parents b5a8342c 932ae880 208ba89b 3d907cc3 2d52d172 7a8c7867

Documentation/devicetree/bindings/sound/wm8741.txt

+11 −0
Original line number Diff line number Diff line
@@ -10,9 +10,20 @@ Required properties: 
  - reg : the I2C address of the device for I2C, the chip select

          number for SPI.



Optional properties:



  - diff-mode: Differential output mode configuration. Default value for field

    DIFF in register R8 (MODE_CONTROL_2). If absent, the default is 0, shall be:

    0 = stereo

    1 = mono left

    2 = stereo reversed

    3 = mono right



Example:



codec: wm8741@1a {

	compatible = "wlf,wm8741";

	reg = <0x1a>;



	diff-mode = <3>;

};

include/sound/soc-dapm.h

+3 −0
Original line number Diff line number Diff line
@@ -15,6 +15,8 @@ 


#include <linux/types.h>

#include <sound/control.h>

#include <sound/soc-topology.h>

#include <sound/asoc.h>



struct device;
@@ -571,6 +573,7 @@ struct snd_soc_dapm_widget { 
	int num_kcontrols;

	const struct snd_kcontrol_new *kcontrol_news;

	struct snd_kcontrol **kcontrols;

	struct snd_soc_dobj dobj;



	/* widget input and outputs */

	struct list_head sources;

include/sound/soc-topology.h

0 → 100644
+168 −0
Original line number Diff line number Diff line 
/*

 * linux/sound/soc-topology.h -- ALSA SoC Firmware Controls and DAPM

 *

 * Copyright (C) 2012 Texas Instruments Inc.

 * Copyright (C) 2015 Intel Corporation.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * Simple file API to load FW that includes mixers, coefficients, DAPM graphs,

 * algorithms, equalisers, DAIs, widgets, FE caps, BE caps, codec link caps etc.

 */



#ifndef __LINUX_SND_SOC_TPLG_H

#define __LINUX_SND_SOC_TPLG_H



#include <sound/asoc.h>

#include <linux/list.h>



struct firmware;

struct snd_kcontrol;

struct snd_soc_tplg_pcm_be;

struct snd_ctl_elem_value;

struct snd_ctl_elem_info;

struct snd_soc_dapm_widget;

struct snd_soc_component;

struct snd_soc_tplg_pcm_fe;

struct snd_soc_dapm_context;

struct snd_soc_card;



/* object scan be loaded and unloaded in groups with identfying indexes */

#define SND_SOC_TPLG_INDEX_ALL	0	/* ID that matches all FW objects */



/* dynamic object type */

enum snd_soc_dobj_type {

	SND_SOC_DOBJ_NONE		= 0,	/* object is not dynamic */

	SND_SOC_DOBJ_MIXER,

	SND_SOC_DOBJ_ENUM,

	SND_SOC_DOBJ_BYTES,

	SND_SOC_DOBJ_PCM,

	SND_SOC_DOBJ_DAI_LINK,

	SND_SOC_DOBJ_CODEC_LINK,

	SND_SOC_DOBJ_WIDGET,

};



/* dynamic control object */

struct snd_soc_dobj_control {

	struct snd_kcontrol *kcontrol;

	char **dtexts;

	unsigned long *dvalues;

};



/* dynamic widget object */

struct snd_soc_dobj_widget {

	unsigned int kcontrol_enum:1;	/* this widget is an enum kcontrol */

};



/* dynamic PCM DAI object */

struct snd_soc_dobj_pcm_dai {

	struct snd_soc_tplg_pcm_dai *pd;

	unsigned int count;

};



/* generic dynamic object - all dynamic objects belong to this struct */

struct snd_soc_dobj {

	enum snd_soc_dobj_type type;

	unsigned int index;	/* objects can belong in different groups */

	struct list_head list;

	struct snd_soc_tplg_ops *ops;

	union {

		struct snd_soc_dobj_control control;

		struct snd_soc_dobj_widget widget;

		struct snd_soc_dobj_pcm_dai pcm_dai;

	};

	void *private; /* core does not touch this */

};



/*

 * Kcontrol operations - used to map handlers onto firmware based controls.

 */

struct snd_soc_tplg_kcontrol_ops {

	u32 id;

	int (*get)(struct snd_kcontrol *kcontrol,

			struct snd_ctl_elem_value *ucontrol);

	int (*put)(struct snd_kcontrol *kcontrol,

			struct snd_ctl_elem_value *ucontrol);

	int (*info)(struct snd_kcontrol *kcontrol,

		struct snd_ctl_elem_info *uinfo);

};



/*

 * DAPM widget event handlers - used to map handlers onto widgets.

 */

struct snd_soc_tplg_widget_events {

	u16 type;

	int (*event_handler)(struct snd_soc_dapm_widget *w,

			struct snd_kcontrol *k, int event);

};



/*

 * Public API - Used by component drivers to load and unload dynamic objects

 * and their resources.

 */

struct snd_soc_tplg_ops {



	/* external kcontrol init - used for any driver specific init */

	int (*control_load)(struct snd_soc_component *,

		struct snd_kcontrol_new *, struct snd_soc_tplg_ctl_hdr *);

	int (*control_unload)(struct snd_soc_component *,

		struct snd_soc_dobj *);



	/* external widget init - used for any driver specific init */

	int (*widget_load)(struct snd_soc_component *,

		struct snd_soc_dapm_widget *,

		struct snd_soc_tplg_dapm_widget *);

	int (*widget_unload)(struct snd_soc_component *,

		struct snd_soc_dobj *);



	/* FE - used for any driver specific init */

	int (*pcm_dai_load)(struct snd_soc_component *,

		struct snd_soc_tplg_pcm_dai *pcm_dai, int num_fe);

	int (*pcm_dai_unload)(struct snd_soc_component *,

		struct snd_soc_dobj *);



	/* callback to handle vendor bespoke data */

	int (*vendor_load)(struct snd_soc_component *,

		struct snd_soc_tplg_hdr *);

	int (*vendor_unload)(struct snd_soc_component *,

		struct snd_soc_tplg_hdr *);



	/* completion - called at completion of firmware loading */

	void (*complete)(struct snd_soc_component *);



	/* manifest - optional to inform component of manifest */

	int (*manifest)(struct snd_soc_component *,

		struct snd_soc_tplg_manifest *);



	/* bespoke kcontrol handlers available for binding */

	const struct snd_soc_tplg_kcontrol_ops *io_ops;

	int io_ops_count;

};



/* gets a pointer to data from the firmware block header */

static inline const void *snd_soc_tplg_get_data(struct snd_soc_tplg_hdr *hdr)

{

	const void *ptr = hdr;



	return ptr + sizeof(*hdr);

}



/* Dynamic Object loading and removal for component drivers */

int snd_soc_tplg_component_load(struct snd_soc_component *comp,

	struct snd_soc_tplg_ops *ops, const struct firmware *fw,

	u32 index);

int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index);



/* Widget removal - widgets also removed wth component API */

void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w);

void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,

	u32 index);



/* Binds event handlers to dynamic widgets */

int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,

	const struct snd_soc_tplg_widget_events *events, int num_events,

	u16 event_type);



#endif

include/sound/soc.h

+11 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 
#include <sound/compress_driver.h>

#include <sound/control.h>

#include <sound/ac97_codec.h>

#include <sound/soc-topology.h>



/*

 * Convenience kcontrol builders
@@ -776,6 +777,9 @@ struct snd_soc_component { 


	struct mutex io_mutex;



	/* attached dynamic objects */

	struct list_head dobj_list;



#ifdef CONFIG_DEBUG_FS

	struct dentry *debugfs_root;

#endif
@@ -1123,6 +1127,9 @@ struct snd_soc_card { 
	struct list_head dapm_list;

	struct list_head dapm_dirty;



	/* attached dynamic objects */

	struct list_head dobj_list;



	/* Generic DAPM context for the card */

	struct snd_soc_dapm_context dapm;

	struct snd_soc_dapm_stats dapm_stats;
@@ -1182,6 +1189,7 @@ struct soc_mixer_control { 
	unsigned int sign_bit;

	unsigned int invert:1;

	unsigned int autodisable:1;

	struct snd_soc_dobj dobj;

};



struct soc_bytes {
@@ -1192,6 +1200,8 @@ struct soc_bytes { 


struct soc_bytes_ext {

	int max;

	struct snd_soc_dobj dobj;



	/* used for TLV byte control */

	int (*get)(unsigned int __user *bytes, unsigned int size);

	int (*put)(const unsigned int __user *bytes, unsigned int size);
@@ -1213,6 +1223,7 @@ struct soc_enum { 
	const char * const *texts;

	const unsigned int *values;

	unsigned int autodisable:1;

	struct snd_soc_dobj dobj;

};



/**

include/sound/tlv.h

+1 −14
Original line number Diff line number Diff line
@@ -31,12 +31,7 @@ 
 *                       ~(sizeof(unsigned int) - 1)) ....

 */



#define SNDRV_CTL_TLVT_CONTAINER 0	/* one level down - group of TLVs */

#define SNDRV_CTL_TLVT_DB_SCALE	1       /* dB scale */

#define SNDRV_CTL_TLVT_DB_LINEAR 2	/* linear volume */

#define SNDRV_CTL_TLVT_DB_RANGE 3	/* dB range container */

#define SNDRV_CTL_TLVT_DB_MINMAX 4	/* dB scale with min/max */

#define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5	/* dB scale with min/max with mute */

#include <uapi/sound/tlv.h>



#define TLV_ITEM(type, ...) \

	(type), TLV_LENGTH(__VA_ARGS__), __VA_ARGS__
@@ -90,12 +85,4 @@ 


#define TLV_DB_GAIN_MUTE	-9999999



/*

 * channel-mapping TLV items

 *  TLV length must match with num_channels

 */

#define SNDRV_CTL_TLVT_CHMAP_FIXED	0x101	/* fixed channel position */

#define SNDRV_CTL_TLVT_CHMAP_VAR	0x102	/* channels freely swappable */

#define SNDRV_CTL_TLVT_CHMAP_PAIRED	0x103	/* pair-wise swappable */



#endif /* __SOUND_TLV_H */