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Commit 28bedc59 authored by Mark Brown's avatar Mark Brown
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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
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Showing with 2684 additions and 31 deletions
Documentation/devicetree/bindings/sound/wm8741.txt
View file @ 28bedc59
......@@ -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
View file @ 28bedc59
......@@ -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
View file @ 28bedc59
/*
* 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
View file @ 28bedc59
......@@ -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
View file @ 28bedc59
......@@ -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 */
include/uapi/sound/asoc.h 0 → 100644
View file @ 28bedc59
/*
* uapi/sound/asoc.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 etc.
*/
#ifndef __LINUX_UAPI_SND_ASOC_H
#define __LINUX_UAPI_SND_ASOC_H
#include <linux/types.h>
#include <sound/asound.h>
/*
* Maximum number of channels topology kcontrol can represent.
*/
#define SND_SOC_TPLG_MAX_CHAN 8
/*
* Maximum number of PCM formats capability
*/
#define SND_SOC_TPLG_MAX_FORMATS 16
/*
* Maximum number of PCM stream configs
*/
#define SND_SOC_TPLG_STREAM_CONFIG_MAX 8
/* individual kcontrol info types - can be mixed with other types */
#define SND_SOC_TPLG_CTL_VOLSW 1
#define SND_SOC_TPLG_CTL_VOLSW_SX 2
#define SND_SOC_TPLG_CTL_VOLSW_XR_SX 3
#define SND_SOC_TPLG_CTL_ENUM 4
#define SND_SOC_TPLG_CTL_BYTES 5
#define SND_SOC_TPLG_CTL_ENUM_VALUE 6
#define SND_SOC_TPLG_CTL_RANGE 7
#define SND_SOC_TPLG_CTL_STROBE 8
/* individual widget kcontrol info types - can be mixed with other types */
#define SND_SOC_TPLG_DAPM_CTL_VOLSW 64
#define SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE 65
#define SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT 66
#define SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE 67
#define SND_SOC_TPLG_DAPM_CTL_PIN 68
/* DAPM widget types - add new items to the end */
#define SND_SOC_TPLG_DAPM_INPUT 0
#define SND_SOC_TPLG_DAPM_OUTPUT 1
#define SND_SOC_TPLG_DAPM_MUX 2
#define SND_SOC_TPLG_DAPM_MIXER 3
#define SND_SOC_TPLG_DAPM_PGA 4
#define SND_SOC_TPLG_DAPM_OUT_DRV 5
#define SND_SOC_TPLG_DAPM_ADC 6
#define SND_SOC_TPLG_DAPM_DAC 7
#define SND_SOC_TPLG_DAPM_SWITCH 8
#define SND_SOC_TPLG_DAPM_PRE 9
#define SND_SOC_TPLG_DAPM_POST 10
#define SND_SOC_TPLG_DAPM_AIF_IN 11
#define SND_SOC_TPLG_DAPM_AIF_OUT 12
#define SND_SOC_TPLG_DAPM_DAI_IN 13
#define SND_SOC_TPLG_DAPM_DAI_OUT 14
#define SND_SOC_TPLG_DAPM_DAI_LINK 15
#define SND_SOC_TPLG_DAPM_LAST SND_SOC_TPLG_DAPM_DAI_LINK
/* Header magic number and string sizes */
#define SND_SOC_TPLG_MAGIC 0x41536F43 /* ASoC */
/* string sizes */
#define SND_SOC_TPLG_NUM_TEXTS 16
/* ABI version */
#define SND_SOC_TPLG_ABI_VERSION 0x2
/* Max size of TLV data */
#define SND_SOC_TPLG_TLV_SIZE 32
/*
* File and Block header data types.
* Add new generic and vendor types to end of list.
* Generic types are handled by the core whilst vendors types are passed
* to the component drivers for handling.
*/
#define SND_SOC_TPLG_TYPE_MIXER 1
#define SND_SOC_TPLG_TYPE_BYTES 2
#define SND_SOC_TPLG_TYPE_ENUM 3
#define SND_SOC_TPLG_TYPE_DAPM_GRAPH 4
#define SND_SOC_TPLG_TYPE_DAPM_WIDGET 5
#define SND_SOC_TPLG_TYPE_DAI_LINK 6
#define SND_SOC_TPLG_TYPE_PCM 7
#define SND_SOC_TPLG_TYPE_MANIFEST 8
#define SND_SOC_TPLG_TYPE_CODEC_LINK 9
#define SND_SOC_TPLG_TYPE_MAX SND_SOC_TPLG_TYPE_CODEC_LINK
/* vendor block IDs - please add new vendor types to end */
#define SND_SOC_TPLG_TYPE_VENDOR_FW 1000
#define SND_SOC_TPLG_TYPE_VENDOR_CONFIG 1001
#define SND_SOC_TPLG_TYPE_VENDOR_COEFF 1002
#define SND_SOC_TPLG_TYPEVENDOR_CODEC 1003
#define SND_SOC_TPLG_STREAM_PLAYBACK 0
#define SND_SOC_TPLG_STREAM_CAPTURE 1
/*
* Block Header.
* This header preceeds all object and object arrays below.
*/
struct snd_soc_tplg_hdr {
__le32 magic; /* magic number */
__le32 abi; /* ABI version */
__le32 version; /* optional vendor specific version details */
__le32 type; /* SND_SOC_TPLG_TYPE_ */
__le32 size; /* size of this structure */
__le32 vendor_type; /* optional vendor specific type info */
__le32 payload_size; /* data bytes, excluding this header */
__le32 index; /* identifier for block */
__le32 count; /* number of elements in block */
} __attribute__((packed));
/*
* Private data.
* All topology objects may have private data that can be used by the driver or
* firmware. Core will ignore this data.
*/
struct snd_soc_tplg_private {
__le32 size; /* in bytes of private data */
char data[0];
} __attribute__((packed));
/*
* Kcontrol TLV data.
*/
struct snd_soc_tplg_ctl_tlv {
__le32 size; /* in bytes aligned to 4 */
__le32 numid; /* control element numeric identification */
__le32 count; /* number of elem in data array */
__le32 data[SND_SOC_TPLG_TLV_SIZE];
} __attribute__((packed));
/*
* Kcontrol channel data
*/
struct snd_soc_tplg_channel {
__le32 size; /* in bytes of this structure */
__le32 reg;
__le32 shift;
__le32 id; /* ID maps to Left, Right, LFE etc */
} __attribute__((packed));
/*
* Kcontrol Operations IDs
*/
struct snd_soc_tplg_kcontrol_ops_id {
__le32 get;
__le32 put;
__le32 info;
} __attribute__((packed));
/*
* kcontrol header
*/
struct snd_soc_tplg_ctl_hdr {
__le32 size; /* in bytes of this structure */
__le32 type;
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
__le32 access;
struct snd_soc_tplg_kcontrol_ops_id ops;
__le32 tlv_size; /* non zero means control has TLV data */
} __attribute__((packed));
/*
* Stream Capabilities
*/
struct snd_soc_tplg_stream_caps {
__le32 size; /* in bytes of this structure */
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
__le64 formats[SND_SOC_TPLG_MAX_FORMATS]; /* supported formats SNDRV_PCM_FMTBIT_* */
__le32 rates; /* supported rates SNDRV_PCM_RATE_* */
__le32 rate_min; /* min rate */
__le32 rate_max; /* max rate */
__le32 channels_min; /* min channels */
__le32 channels_max; /* max channels */
__le32 periods_min; /* min number of periods */
__le32 periods_max; /* max number of periods */
__le32 period_size_min; /* min period size bytes */
__le32 period_size_max; /* max period size bytes */
__le32 buffer_size_min; /* min buffer size bytes */
__le32 buffer_size_max; /* max buffer size bytes */
} __attribute__((packed));
/*
* FE or BE Stream configuration supported by SW/FW
*/
struct snd_soc_tplg_stream {
__le32 size; /* in bytes of this structure */
__le64 format; /* SNDRV_PCM_FMTBIT_* */
__le32 rate; /* SNDRV_PCM_RATE_* */
__le32 period_bytes; /* size of period in bytes */
__le32 buffer_bytes; /* size of buffer in bytes */
__le32 channels; /* channels */
__le32 tdm_slot; /* optional BE bitmask of supported TDM slots */
__le32 dai_fmt; /* SND_SOC_DAIFMT_ */
} __attribute__((packed));
/*
* Duplex stream configuration supported by SW/FW.
*/
struct snd_soc_tplg_stream_config {
__le32 size; /* in bytes of this structure */
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
struct snd_soc_tplg_stream playback;
struct snd_soc_tplg_stream capture;
} __attribute__((packed));
/*
* Manifest. List totals for each payload type. Not used in parsing, but will
* be passed to the component driver before any other objects in order for any
* global componnent resource allocations.
*
* File block representation for manifest :-
* +-----------------------------------+----+
* | struct snd_soc_tplg_hdr | 1 |
* +-----------------------------------+----+
* | struct snd_soc_tplg_manifest | 1 |
* +-----------------------------------+----+
*/
struct snd_soc_tplg_manifest {
__le32 size; /* in bytes of this structure */
__le32 control_elems; /* number of control elements */
__le32 widget_elems; /* number of widget elements */
__le32 graph_elems; /* number of graph elements */
__le32 dai_elems; /* number of DAI elements */
__le32 dai_link_elems; /* number of DAI link elements */
} __attribute__((packed));
/*
* Mixer kcontrol.
*
* File block representation for mixer kcontrol :-
* +-----------------------------------+----+
* | struct snd_soc_tplg_hdr | 1 |
* +-----------------------------------+----+
* | struct snd_soc_tplg_mixer_control | N |
* +-----------------------------------+----+
*/
struct snd_soc_tplg_mixer_control {
struct snd_soc_tplg_ctl_hdr hdr;
__le32 size; /* in bytes of this structure */
__le32 min;
__le32 max;
__le32 platform_max;
__le32 invert;
__le32 num_channels;
struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
struct snd_soc_tplg_ctl_tlv tlv;
struct snd_soc_tplg_private priv;
} __attribute__((packed));
/*
* Enumerated kcontrol
*
* File block representation for enum kcontrol :-
* +-----------------------------------+----+
* | struct snd_soc_tplg_hdr | 1 |
* +-----------------------------------+----+
* | struct snd_soc_tplg_enum_control | N |
* +-----------------------------------+----+
*/
struct snd_soc_tplg_enum_control {
struct snd_soc_tplg_ctl_hdr hdr;
__le32 size; /* in bytes of this structure */
__le32 num_channels;
struct snd_soc_tplg_channel channel[SND_SOC_TPLG_MAX_CHAN];
__le32 items;
__le32 mask;
__le32 count;
char texts[SND_SOC_TPLG_NUM_TEXTS][SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
__le32 values[SND_SOC_TPLG_NUM_TEXTS * SNDRV_CTL_ELEM_ID_NAME_MAXLEN / 4];
struct snd_soc_tplg_private priv;
} __attribute__((packed));
/*
* Bytes kcontrol
*
* File block representation for bytes kcontrol :-
* +-----------------------------------+----+
* | struct snd_soc_tplg_hdr | 1 |
* +-----------------------------------+----+
* | struct snd_soc_tplg_bytes_control | N |
* +-----------------------------------+----+
*/
struct snd_soc_tplg_bytes_control {
struct snd_soc_tplg_ctl_hdr hdr;
__le32 size; /* in bytes of this structure */
__le32 max;
__le32 mask;
__le32 base;
__le32 num_regs;
struct snd_soc_tplg_private priv;
} __attribute__((packed));
/*
* DAPM Graph Element
*
* File block representation for DAPM graph elements :-
* +-------------------------------------+----+
* | struct snd_soc_tplg_hdr | 1 |
* +-------------------------------------+----+
* | struct snd_soc_tplg_dapm_graph_elem | N |
* +-------------------------------------+----+
*/
struct snd_soc_tplg_dapm_graph_elem {
char sink[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
char control[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
char source[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
} __attribute__((packed));
/*
* DAPM Widget.
*
* File block representation for DAPM widget :-
* +-------------------------------------+-----+
* | struct snd_soc_tplg_hdr | 1 |
* +-------------------------------------+-----+
* | struct snd_soc_tplg_dapm_widget | N |
* +-------------------------------------+-----+
* | struct snd_soc_tplg_enum_control | 0|1 |
* | struct snd_soc_tplg_mixer_control | 0|N |
* +-------------------------------------+-----+
*
* Optional enum or mixer control can be appended to the end of each widget
* in the block.
*/
struct snd_soc_tplg_dapm_widget {
__le32 size; /* in bytes of this structure */
__le32 id; /* SND_SOC_DAPM_CTL */
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
char sname[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
__le32 reg; /* negative reg = no direct dapm */
__le32 shift; /* bits to shift */
__le32 mask; /* non-shifted mask */
__u32 invert; /* invert the power bit */
__u32 ignore_suspend; /* kept enabled over suspend */
__u16 event_flags;
__u16 event_type;
__u16 num_kcontrols;
struct snd_soc_tplg_private priv;
/*
* kcontrols that relate to this widget
* follow here after widget private data
*/
} __attribute__((packed));
struct snd_soc_tplg_pcm_cfg_caps {
struct snd_soc_tplg_stream_caps caps;
struct snd_soc_tplg_stream_config configs[SND_SOC_TPLG_STREAM_CONFIG_MAX];
__le32 num_configs; /* number of configs */
} __attribute__((packed));
/*
* Describes SW/FW specific features of PCM or DAI link.
*
* File block representation for PCM/DAI-Link :-
* +-----------------------------------+-----+
* | struct snd_soc_tplg_hdr | 1 |
* +-----------------------------------+-----+
* | struct snd_soc_tplg_dapm_pcm_dai | N |
* +-----------------------------------+-----+
*/
struct snd_soc_tplg_pcm_dai {
__le32 size; /* in bytes of this structure */
char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
__le32 id; /* unique ID - used to match */
__le32 playback; /* supports playback mode */
__le32 capture; /* supports capture mode */
__le32 compress; /* 1 = compressed; 0 = PCM */
struct snd_soc_tplg_pcm_cfg_caps capconf[2]; /* capabilities and configs */
} __attribute__((packed));
#endif
include/uapi/sound/tlv.h 0 → 100644
View file @ 28bedc59
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __UAPI_SOUND_TLV_H
#define __UAPI_SOUND_TLV_H
#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 */
/*
* 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/soc/Makefile
View file @ 28bedc59
snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-cache.o soc-utils.o
snd-soc-core-objs += soc-pcm.o soc-compress.o soc-io.o soc-devres.o soc-ops.o
snd-soc-core-objs += soc-topology.o
ifneq ($(CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM),)
snd-soc-core-objs += soc-generic-dmaengine-pcm.o
......
sound/soc/codecs/twl6040.c
View file @ 28bedc59
......@@ -1121,7 +1121,8 @@ static int twl6040_probe(struct snd_soc_codec *codec)
mutex_init(&priv->mutex);
ret = request_threaded_irq(priv->plug_irq, NULL,
twl6040_audio_handler, IRQF_NO_SUSPEND,
twl6040_audio_handler,
IRQF_NO_SUSPEND | IRQF_ONESHOT,
"twl6040_irq_plug", codec);
if (ret) {
dev_err(codec->dev, "PLUG IRQ request failed: %d\n", ret);
......
sound/soc/codecs/wm5100.c
View file @ 28bedc59
......@@ -2570,11 +2570,13 @@ static int wm5100_i2c_probe(struct i2c_client *i2c,
if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
ret = request_threaded_irq(i2c->irq, NULL,
wm5100_edge_irq, irq_flags,
wm5100_edge_irq,
irq_flags | IRQF_ONESHOT,
"wm5100", wm5100);
else
ret = request_threaded_irq(i2c->irq, NULL, wm5100_irq,
irq_flags, "wm5100",
irq_flags | IRQF_ONESHOT,
"wm5100",
wm5100);
if (ret != 0) {
......
sound/soc/codecs/wm8741.c
View file @ 28bedc59
......@@ -41,6 +41,7 @@ static const char *wm8741_supply_names[WM8741_NUM_SUPPLIES] = {
/* codec private data */
struct wm8741_priv {
struct wm8741_platform_data pdata;
struct regmap *regmap;
struct regulator_bulk_data supplies[WM8741_NUM_SUPPLIES];
unsigned int sysclk;
......@@ -87,13 +88,27 @@ static int wm8741_reset(struct snd_soc_codec *codec)
static const DECLARE_TLV_DB_SCALE(dac_tlv_fine, -12700, 13, 0);
static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 400, 0);
static const struct snd_kcontrol_new wm8741_snd_controls[] = {
static const struct snd_kcontrol_new wm8741_snd_controls_stereo[] = {
SOC_DOUBLE_R_TLV("Fine Playback Volume", WM8741_DACLLSB_ATTENUATION,
WM8741_DACRLSB_ATTENUATION, 1, 255, 1, dac_tlv_fine),
SOC_DOUBLE_R_TLV("Playback Volume", WM8741_DACLMSB_ATTENUATION,
WM8741_DACRMSB_ATTENUATION, 0, 511, 1, dac_tlv),
};
static const struct snd_kcontrol_new wm8741_snd_controls_mono_left[] = {
SOC_SINGLE_TLV("Fine Playback Volume", WM8741_DACLLSB_ATTENUATION,
1, 255, 1, dac_tlv_fine),
SOC_SINGLE_TLV("Playback Volume", WM8741_DACLMSB_ATTENUATION,
0, 511, 1, dac_tlv),
};
static const struct snd_kcontrol_new wm8741_snd_controls_mono_right[] = {
SOC_SINGLE_TLV("Fine Playback Volume", WM8741_DACRLSB_ATTENUATION,
1, 255, 1, dac_tlv_fine),
SOC_SINGLE_TLV("Playback Volume", WM8741_DACRMSB_ATTENUATION,
0, 511, 1, dac_tlv),
};
static const struct snd_soc_dapm_widget wm8741_dapm_widgets[] = {
SND_SOC_DAPM_DAC("DACL", "Playback", SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_DAC("DACR", "Playback", SND_SOC_NOPM, 0, 0),
......@@ -398,7 +413,7 @@ static struct snd_soc_dai_driver wm8741_dai = {
.name = "wm8741",
.playback = {
.stream_name = "Playback",
.channels_min = 2, /* Mono modes not yet supported */
.channels_min = 2,
.channels_max = 2,
.rates = WM8741_RATES,
.formats = WM8741_FORMATS,
......@@ -416,6 +431,65 @@ static int wm8741_resume(struct snd_soc_codec *codec)
#define wm8741_resume NULL
#endif
static int wm8741_configure(struct snd_soc_codec *codec)
{
struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
/* Configure differential mode */
switch (wm8741->pdata.diff_mode) {
case WM8741_DIFF_MODE_STEREO:
case WM8741_DIFF_MODE_STEREO_REVERSED:
case WM8741_DIFF_MODE_MONO_LEFT:
case WM8741_DIFF_MODE_MONO_RIGHT:
snd_soc_update_bits(codec, WM8741_MODE_CONTROL_2,
WM8741_DIFF_MASK,
wm8741->pdata.diff_mode << WM8741_DIFF_SHIFT);
break;
default:
return -EINVAL;
}
/* Change some default settings - latch VU */
snd_soc_update_bits(codec, WM8741_DACLLSB_ATTENUATION,
WM8741_UPDATELL, WM8741_UPDATELL);
snd_soc_update_bits(codec, WM8741_DACLMSB_ATTENUATION,
WM8741_UPDATELM, WM8741_UPDATELM);
snd_soc_update_bits(codec, WM8741_DACRLSB_ATTENUATION,
WM8741_UPDATERL, WM8741_UPDATERL);
snd_soc_update_bits(codec, WM8741_DACRMSB_ATTENUATION,
WM8741_UPDATERM, WM8741_UPDATERM);
return 0;
}
static int wm8741_add_controls(struct snd_soc_codec *codec)
{
struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
switch (wm8741->pdata.diff_mode) {
case WM8741_DIFF_MODE_STEREO:
case WM8741_DIFF_MODE_STEREO_REVERSED:
snd_soc_add_codec_controls(codec,
wm8741_snd_controls_stereo,
ARRAY_SIZE(wm8741_snd_controls_stereo));
break;
case WM8741_DIFF_MODE_MONO_LEFT:
snd_soc_add_codec_controls(codec,
wm8741_snd_controls_mono_left,
ARRAY_SIZE(wm8741_snd_controls_mono_left));
break;
case WM8741_DIFF_MODE_MONO_RIGHT:
snd_soc_add_codec_controls(codec,
wm8741_snd_controls_mono_right,
ARRAY_SIZE(wm8741_snd_controls_mono_right));
break;
default:
return -EINVAL;
}
return 0;
}
static int wm8741_probe(struct snd_soc_codec *codec)
{
struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
......@@ -434,15 +508,17 @@ static int wm8741_probe(struct snd_soc_codec *codec)
goto err_enable;
}
/* Change some default settings - latch VU */
snd_soc_update_bits(codec, WM8741_DACLLSB_ATTENUATION,
WM8741_UPDATELL, WM8741_UPDATELL);
snd_soc_update_bits(codec, WM8741_DACLMSB_ATTENUATION,
WM8741_UPDATELM, WM8741_UPDATELM);
snd_soc_update_bits(codec, WM8741_DACRLSB_ATTENUATION,
WM8741_UPDATERL, WM8741_UPDATERL);
snd_soc_update_bits(codec, WM8741_DACRMSB_ATTENUATION,
WM8741_UPDATERM, WM8741_UPDATERM);
ret = wm8741_configure(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to change default settings\n");
goto err_enable;
}
ret = wm8741_add_controls(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to add controls\n");
goto err_enable;
}
dev_dbg(codec->dev, "Successful registration\n");
return ret;
......@@ -467,8 +543,6 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8741 = {
.remove = wm8741_remove,
.resume = wm8741_resume,
.controls = wm8741_snd_controls,
.num_controls = ARRAY_SIZE(wm8741_snd_controls),
.dapm_widgets = wm8741_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm8741_dapm_widgets),
.dapm_routes = wm8741_dapm_routes,
......@@ -493,6 +567,23 @@ static const struct regmap_config wm8741_regmap = {
.readable_reg = wm8741_readable,
};
static int wm8741_set_pdata(struct device *dev, struct wm8741_priv *wm8741)
{
const struct wm8741_platform_data *pdata = dev_get_platdata(dev);
u32 diff_mode;
if (dev->of_node) {
if (of_property_read_u32(dev->of_node, "diff-mode", &diff_mode)
>= 0)
wm8741->pdata.diff_mode = diff_mode;
} else {
if (pdata != NULL)
memcpy(&wm8741->pdata, pdata, sizeof(wm8741->pdata));
}
return 0;
}
#if IS_ENABLED(CONFIG_I2C)
static int wm8741_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
......@@ -522,6 +613,12 @@ static int wm8741_i2c_probe(struct i2c_client *i2c,
return ret;
}
ret = wm8741_set_pdata(&i2c->dev, wm8741);
if (ret != 0) {
dev_err(&i2c->dev, "Failed to set pdata: %d\n", ret);
return ret;
}
i2c_set_clientdata(i2c, wm8741);
ret = snd_soc_register_codec(&i2c->dev,
......@@ -582,6 +679,12 @@ static int wm8741_spi_probe(struct spi_device *spi)
return ret;
}
ret = wm8741_set_pdata(&spi->dev, wm8741);
if (ret != 0) {
dev_err(&spi->dev, "Failed to set pdata: %d\n", ret);
return ret;
}
spi_set_drvdata(spi, wm8741);
ret = snd_soc_register_codec(&spi->dev,
......
sound/soc/codecs/wm8741.h
View file @ 28bedc59
......@@ -194,6 +194,12 @@
#define WM8741_DITHER_SHIFT 0 /* DITHER - [1:0] */
#define WM8741_DITHER_WIDTH 2 /* DITHER - [1:0] */
/* DIFF field values */
#define WM8741_DIFF_MODE_STEREO 0 /* stereo normal */
#define WM8741_DIFF_MODE_STEREO_REVERSED 2 /* stereo reversed */
#define WM8741_DIFF_MODE_MONO_LEFT 1 /* mono left */
#define WM8741_DIFF_MODE_MONO_RIGHT 3 /* mono right */
/*
* R32 (0x20) - ADDITONAL_CONTROL_1
*/
......@@ -208,4 +214,8 @@
#define WM8741_SYSCLK 0
struct wm8741_platform_data {
u32 diff_mode; /* Differential Output Mode */
};
#endif
sound/soc/codecs/wm8960.c
View file @ 28bedc59
......@@ -127,6 +127,8 @@ struct wm8960_priv {
struct snd_soc_dapm_widget *out3;
bool deemph;
int playback_fs;
int bclk;
int sysclk;
struct wm8960_data pdata;
};
......@@ -563,6 +565,72 @@ static struct {
{ 8000, 5 },
};
/* Multiply 256 for internal 256 div */
static const int dac_divs[] = { 256, 384, 512, 768, 1024, 1408, 1536 };
/* Multiply 10 to eliminate decimials */
static const int bclk_divs[] = {
10, 15, 20, 30, 40, 55, 60, 80, 110,
120, 160, 220, 240, 320, 320, 320
};
static void wm8960_configure_clocking(struct snd_soc_codec *codec,
bool tx, int lrclk)
{
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
u16 iface1 = snd_soc_read(codec, WM8960_IFACE1);
u16 iface2 = snd_soc_read(codec, WM8960_IFACE2);
u32 sysclk;
int i, j;
if (!(iface1 & (1<<6))) {
dev_dbg(codec->dev,
"Codec is slave mode, no need to configure clock\n");
return;
}
if (!wm8960->sysclk) {
dev_dbg(codec->dev, "No SYSCLK configured\n");
return;
}
if (!wm8960->bclk || !lrclk) {
dev_dbg(codec->dev, "No audio clocks configured\n");
return;
}
for (i = 0; i < ARRAY_SIZE(dac_divs); ++i) {
if (wm8960->sysclk == lrclk * dac_divs[i]) {
for (j = 0; j < ARRAY_SIZE(bclk_divs); ++j) {
sysclk = wm8960->bclk * bclk_divs[j] / 10;
if (wm8960->sysclk == sysclk)
break;
}
if(j != ARRAY_SIZE(bclk_divs))
break;
}
}
if (i == ARRAY_SIZE(dac_divs)) {
dev_err(codec->dev, "Unsupported sysclk %d\n", wm8960->sysclk);
return;
}
/*
* configure frame clock. If ADCLRC configure as GPIO pin, DACLRC
* pin is used as a frame clock for ADCs and DACs.
*/
if (iface2 & (1<<6))
snd_soc_update_bits(codec, WM8960_CLOCK1, 0x7 << 3, i << 3);
else if (tx)
snd_soc_update_bits(codec, WM8960_CLOCK1, 0x7 << 3, i << 3);
else if (!tx)
snd_soc_update_bits(codec, WM8960_CLOCK1, 0x7 << 6, i << 6);
/* configure bit clock */
snd_soc_update_bits(codec, WM8960_CLOCK2, 0xf, j);
}
static int wm8960_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
......@@ -570,8 +638,13 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_codec *codec = dai->codec;
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3;
bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
int i;
wm8960->bclk = snd_soc_params_to_bclk(params);
if (params_channels(params) == 1)
wm8960->bclk *= 2;
/* bit size */
switch (params_width(params)) {
case 16:
......@@ -582,6 +655,12 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
case 24:
iface |= 0x0008;
break;
case 32:
/* right justify mode does not support 32 word length */
if ((iface & 0x3) != 0) {
iface |= 0x000c;
break;
}
default:
dev_err(codec->dev, "unsupported width %d\n",
params_width(params));
......@@ -602,6 +681,9 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
/* set iface */
snd_soc_write(codec, WM8960_IFACE1, iface);
wm8960_configure_clocking(codec, tx, params_rate(params));
return 0;
}
......@@ -946,11 +1028,35 @@ static int wm8960_set_bias_level(struct snd_soc_codec *codec,
return wm8960->set_bias_level(codec, level);
}
static int wm8960_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
unsigned int freq, int dir)
{
struct snd_soc_codec *codec = dai->codec;
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
switch (clk_id) {
case WM8960_SYSCLK_MCLK:
snd_soc_update_bits(codec, WM8960_CLOCK1,
0x1, WM8960_SYSCLK_MCLK);
break;
case WM8960_SYSCLK_PLL:
snd_soc_update_bits(codec, WM8960_CLOCK1,
0x1, WM8960_SYSCLK_PLL);
break;
default:
return -EINVAL;
}
wm8960->sysclk = freq;
return 0;
}
#define WM8960_RATES SNDRV_PCM_RATE_8000_48000
#define WM8960_FORMATS \
(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
SNDRV_PCM_FMTBIT_S24_LE)
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
static const struct snd_soc_dai_ops wm8960_dai_ops = {
.hw_params = wm8960_hw_params,
......@@ -958,6 +1064,7 @@ static const struct snd_soc_dai_ops wm8960_dai_ops = {
.set_fmt = wm8960_set_dai_fmt,
.set_clkdiv = wm8960_set_dai_clkdiv,
.set_pll = wm8960_set_dai_pll,
.set_sysclk = wm8960_set_dai_sysclk,
};
static struct snd_soc_dai_driver wm8960_dai = {
......
sound/soc/soc-core.c
View file @ 28bedc59
......@@ -40,6 +40,7 @@
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dpcm.h>
#include <sound/soc-topology.h>
#include <sound/initval.h>
#define CREATE_TRACE_POINTS
......@@ -2418,6 +2419,7 @@ int snd_soc_register_card(struct snd_soc_card *card)
card->rtd_aux[i].card = card;
INIT_LIST_HEAD(&card->dapm_dirty);
INIT_LIST_HEAD(&card->dobj_list);
card->instantiated = 0;
mutex_init(&card->mutex);
mutex_init(&card->dapm_mutex);
......@@ -2733,6 +2735,7 @@ static void snd_soc_component_add_unlocked(struct snd_soc_component *component)
}
list_add(&component->list, &component_list);
INIT_LIST_HEAD(&component->dobj_list);
}
static void snd_soc_component_add(struct snd_soc_component *component)
......@@ -2809,6 +2812,7 @@ void snd_soc_unregister_component(struct device *dev)
return;
found:
snd_soc_tplg_component_remove(cmpnt, SND_SOC_TPLG_INDEX_ALL);
snd_soc_component_del_unlocked(cmpnt);
mutex_unlock(&client_mutex);
snd_soc_component_cleanup(cmpnt);
......
sound/soc/soc-topology.c 0 → 100644
View file @ 28bedc59
/*
* soc-topology.c -- ALSA SoC Topology
*
* Copyright (C) 2012 Texas Instruments Inc.
* Copyright (C) 2015 Intel Corporation.
*
* Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
* K, Mythri P <mythri.p.k@intel.com>
* Prusty, Subhransu S <subhransu.s.prusty@intel.com>
* B, Jayachandran <jayachandran.b@intel.com>
* Abdullah, Omair M <omair.m.abdullah@intel.com>
* Jin, Yao <yao.jin@intel.com>
* Lin, Mengdong <mengdong.lin@intel.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* Add support to read audio firmware topology alongside firmware text. The
* topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links,
* equalizers, firmware, coefficients etc.
*
* This file only manages the core ALSA and ASoC components, all other bespoke
* firmware topology data is passed to component drivers for bespoke handling.
*/
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/list.h>
#include <linux/firmware.h>
#include <linux/slab.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/soc-topology.h>
/*
* We make several passes over the data (since it wont necessarily be ordered)
* and process objects in the following order. This guarantees the component
* drivers will be ready with any vendor data before the mixers and DAPM objects
* are loaded (that may make use of the vendor data).
*/
#define SOC_TPLG_PASS_MANIFEST 0
#define SOC_TPLG_PASS_VENDOR 1
#define SOC_TPLG_PASS_MIXER 2
#define SOC_TPLG_PASS_WIDGET 3
#define SOC_TPLG_PASS_GRAPH 4
#define SOC_TPLG_PASS_PINS 5
#define SOC_TPLG_PASS_PCM_DAI 6
#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
#define SOC_TPLG_PASS_END SOC_TPLG_PASS_PCM_DAI
struct soc_tplg {
const struct firmware *fw;
/* runtime FW parsing */
const u8 *pos; /* read postion */
const u8 *hdr_pos; /* header position */
unsigned int pass; /* pass number */
/* component caller */
struct device *dev;
struct snd_soc_component *comp;
u32 index; /* current block index */
u32 req_index; /* required index, only loaded/free matching blocks */
/* kcontrol operations */
const struct snd_soc_tplg_kcontrol_ops *io_ops;
int io_ops_count;
/* optional fw loading callbacks to component drivers */
struct snd_soc_tplg_ops *ops;
};
static int soc_tplg_process_headers(struct soc_tplg *tplg);
static void soc_tplg_complete(struct soc_tplg *tplg);
struct snd_soc_dapm_widget *
snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_widget *widget);
struct snd_soc_dapm_widget *
snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
const struct snd_soc_dapm_widget *widget);
/* check we dont overflow the data for this control chunk */
static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
unsigned int count, size_t bytes, const char *elem_type)
{
const u8 *end = tplg->pos + elem_size * count;
if (end > tplg->fw->data + tplg->fw->size) {
dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
elem_type);
return -EINVAL;
}
/* check there is enough room in chunk for control.
extra bytes at the end of control are for vendor data here */
if (elem_size * count > bytes) {
dev_err(tplg->dev,
"ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
elem_type, count, elem_size, bytes);
return -EINVAL;
}
return 0;
}
static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
{
const u8 *end = tplg->hdr_pos;
if (end >= tplg->fw->data + tplg->fw->size)
return 1;
return 0;
}
static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
{
return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
}
static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
{
return (unsigned long)(tplg->pos - tplg->fw->data);
}
/* mapping of Kcontrol types and associated operations. */
static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
{SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
snd_soc_put_volsw, snd_soc_info_volsw},
{SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
snd_soc_put_volsw_sx, NULL},
{SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
snd_soc_put_enum_double, snd_soc_info_enum_double},
{SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
snd_soc_put_enum_double, NULL},
{SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
snd_soc_bytes_put, snd_soc_bytes_info},
{SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
snd_soc_put_volsw_range, snd_soc_info_volsw_range},
{SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
snd_soc_put_xr_sx, snd_soc_info_xr_sx},
{SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
snd_soc_put_strobe, NULL},
{SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
snd_soc_dapm_put_volsw, NULL},
{SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
{SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
snd_soc_dapm_put_enum_double, NULL},
{SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
snd_soc_dapm_put_enum_double, NULL},
{SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
};
struct soc_tplg_map {
int uid;
int kid;
};
/* mapping of widget types from UAPI IDs to kernel IDs */
static const struct soc_tplg_map dapm_map[] = {
{SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
{SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
{SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
{SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
{SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
{SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
{SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
{SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
{SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
{SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
{SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
{SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
{SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
{SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
{SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
{SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
};
static int tplc_chan_get_reg(struct soc_tplg *tplg,
struct snd_soc_tplg_channel *chan, int map)
{
int i;
for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
if (chan[i].id == map)
return chan[i].reg;
}
return -EINVAL;
}
static int tplc_chan_get_shift(struct soc_tplg *tplg,
struct snd_soc_tplg_channel *chan, int map)
{
int i;
for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
if (chan[i].id == map)
return chan[i].shift;
}
return -EINVAL;
}
static int get_widget_id(int tplg_type)
{
int i;
for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
if (tplg_type == dapm_map[i].uid)
return dapm_map[i].kid;
}
return -EINVAL;
}
static enum snd_soc_dobj_type get_dobj_mixer_type(
struct snd_soc_tplg_ctl_hdr *control_hdr)
{
if (control_hdr == NULL)
return SND_SOC_DOBJ_NONE;
switch (control_hdr->ops.info) {
case SND_SOC_TPLG_CTL_VOLSW:
case SND_SOC_TPLG_CTL_VOLSW_SX:
case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
case SND_SOC_TPLG_CTL_RANGE:
case SND_SOC_TPLG_CTL_STROBE:
return SND_SOC_DOBJ_MIXER;
case SND_SOC_TPLG_CTL_ENUM:
case SND_SOC_TPLG_CTL_ENUM_VALUE:
return SND_SOC_DOBJ_ENUM;
case SND_SOC_TPLG_CTL_BYTES:
return SND_SOC_DOBJ_BYTES;
default:
return SND_SOC_DOBJ_NONE;
}
}
static enum snd_soc_dobj_type get_dobj_type(struct snd_soc_tplg_hdr *hdr,
struct snd_soc_tplg_ctl_hdr *control_hdr)
{
switch (hdr->type) {
case SND_SOC_TPLG_TYPE_MIXER:
return get_dobj_mixer_type(control_hdr);
case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
case SND_SOC_TPLG_TYPE_MANIFEST:
return SND_SOC_DOBJ_NONE;
case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
return SND_SOC_DOBJ_WIDGET;
case SND_SOC_TPLG_TYPE_DAI_LINK:
return SND_SOC_DOBJ_DAI_LINK;
case SND_SOC_TPLG_TYPE_PCM:
return SND_SOC_DOBJ_PCM;
case SND_SOC_TPLG_TYPE_CODEC_LINK:
return SND_SOC_DOBJ_CODEC_LINK;
default:
return SND_SOC_DOBJ_NONE;
}
}
static inline void soc_bind_err(struct soc_tplg *tplg,
struct snd_soc_tplg_ctl_hdr *hdr, int index)
{
dev_err(tplg->dev,
"ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
soc_tplg_get_offset(tplg));
}
static inline void soc_control_err(struct soc_tplg *tplg,
struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
{
dev_err(tplg->dev,
"ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
soc_tplg_get_offset(tplg));
}
/* pass vendor data to component driver for processing */
static int soc_tplg_vendor_load_(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
int ret = 0;
if (tplg->comp && tplg->ops && tplg->ops->vendor_load)
ret = tplg->ops->vendor_load(tplg->comp, hdr);
else {
dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
hdr->vendor_type);
return -EINVAL;
}
if (ret < 0)
dev_err(tplg->dev,
"ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
soc_tplg_get_hdr_offset(tplg),
soc_tplg_get_hdr_offset(tplg),
hdr->type, hdr->vendor_type);
return ret;
}
/* pass vendor data to component driver for processing */
static int soc_tplg_vendor_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
if (tplg->pass != SOC_TPLG_PASS_VENDOR)
return 0;
return soc_tplg_vendor_load_(tplg, hdr);
}
/* optionally pass new dynamic widget to component driver. This is mainly for
* external widgets where we can assign private data/ops */
static int soc_tplg_widget_load(struct soc_tplg *tplg,
struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
{
if (tplg->comp && tplg->ops && tplg->ops->widget_load)
return tplg->ops->widget_load(tplg->comp, w, tplg_w);
return 0;
}
/* pass dynamic FEs configurations to component driver */
static int soc_tplg_pcm_dai_load(struct soc_tplg *tplg,
struct snd_soc_tplg_pcm_dai *pcm_dai, int num_pcm_dai)
{
if (tplg->comp && tplg->ops && tplg->ops->pcm_dai_load)
return tplg->ops->pcm_dai_load(tplg->comp, pcm_dai, num_pcm_dai);
return 0;
}
/* tell the component driver that all firmware has been loaded in this request */
static void soc_tplg_complete(struct soc_tplg *tplg)
{
if (tplg->comp && tplg->ops && tplg->ops->complete)
tplg->ops->complete(tplg->comp);
}
/* add a dynamic kcontrol */
static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
const struct snd_kcontrol_new *control_new, const char *prefix,
void *data, struct snd_kcontrol **kcontrol)
{
int err;
*kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
if (*kcontrol == NULL) {
dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
control_new->name);
return -ENOMEM;
}
err = snd_ctl_add(card, *kcontrol);
if (err < 0) {
dev_err(dev, "ASoC: Failed to add %s: %d\n",
control_new->name, err);
return err;
}
return 0;
}
/* add a dynamic kcontrol for component driver */
static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
{
struct snd_soc_component *comp = tplg->comp;
return soc_tplg_add_dcontrol(comp->card->snd_card,
comp->dev, k, NULL, comp, kcontrol);
}
/* remove a mixer kcontrol */
static void remove_mixer(struct snd_soc_component *comp,
struct snd_soc_dobj *dobj, int pass)
{
struct snd_card *card = comp->card->snd_card;
struct soc_mixer_control *sm =
container_of(dobj, struct soc_mixer_control, dobj);
const unsigned int *p = NULL;
if (pass != SOC_TPLG_PASS_MIXER)
return;
if (dobj->ops && dobj->ops->control_unload)
dobj->ops->control_unload(comp, dobj);
if (sm->dobj.control.kcontrol->tlv.p)
p = sm->dobj.control.kcontrol->tlv.p;
snd_ctl_remove(card, sm->dobj.control.kcontrol);
list_del(&sm->dobj.list);
kfree(sm);
kfree(p);
}
/* remove an enum kcontrol */
static void remove_enum(struct snd_soc_component *comp,
struct snd_soc_dobj *dobj, int pass)
{
struct snd_card *card = comp->card->snd_card;
struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
int i;
if (pass != SOC_TPLG_PASS_MIXER)
return;
if (dobj->ops && dobj->ops->control_unload)
dobj->ops->control_unload(comp, dobj);
snd_ctl_remove(card, se->dobj.control.kcontrol);
list_del(&se->dobj.list);
kfree(se->dobj.control.dvalues);
for (i = 0; i < se->items; i++)
kfree(se->dobj.control.dtexts[i]);
kfree(se);
}
/* remove a byte kcontrol */
static void remove_bytes(struct snd_soc_component *comp,
struct snd_soc_dobj *dobj, int pass)
{
struct snd_card *card = comp->card->snd_card;
struct soc_bytes_ext *sb =
container_of(dobj, struct soc_bytes_ext, dobj);
if (pass != SOC_TPLG_PASS_MIXER)
return;
if (dobj->ops && dobj->ops->control_unload)
dobj->ops->control_unload(comp, dobj);
snd_ctl_remove(card, sb->dobj.control.kcontrol);
list_del(&sb->dobj.list);
kfree(sb);
}
/* remove a widget and it's kcontrols - routes must be removed first */
static void remove_widget(struct snd_soc_component *comp,
struct snd_soc_dobj *dobj, int pass)
{
struct snd_card *card = comp->card->snd_card;
struct snd_soc_dapm_widget *w =
container_of(dobj, struct snd_soc_dapm_widget, dobj);
int i;
if (pass != SOC_TPLG_PASS_WIDGET)
return;
if (dobj->ops && dobj->ops->widget_unload)
dobj->ops->widget_unload(comp, dobj);
/*
* Dynamic Widgets either have 1 enum kcontrol or 1..N mixers.
* The enum may either have an array of values or strings.
*/
if (dobj->widget.kcontrol_enum) {
/* enumerated widget mixer */
struct soc_enum *se =
(struct soc_enum *)w->kcontrols[0]->private_value;
snd_ctl_remove(card, w->kcontrols[0]);
kfree(se->dobj.control.dvalues);
for (i = 0; i < se->items; i++)
kfree(se->dobj.control.dtexts[i]);
kfree(se);
kfree(w->kcontrol_news);
} else {
/* non enumerated widget mixer */
for (i = 0; i < w->num_kcontrols; i++) {
struct snd_kcontrol *kcontrol = w->kcontrols[i];
struct soc_mixer_control *sm =
(struct soc_mixer_control *) kcontrol->private_value;
kfree(w->kcontrols[i]->tlv.p);
snd_ctl_remove(card, w->kcontrols[i]);
kfree(sm);
}
kfree(w->kcontrol_news);
}
/* widget w is freed by soc-dapm.c */
}
/* remove PCM DAI configurations */
static void remove_pcm_dai(struct snd_soc_component *comp,
struct snd_soc_dobj *dobj, int pass)
{
if (pass != SOC_TPLG_PASS_PCM_DAI)
return;
if (dobj->ops && dobj->ops->pcm_dai_unload)
dobj->ops->pcm_dai_unload(comp, dobj);
list_del(&dobj->list);
kfree(dobj);
}
/* bind a kcontrol to it's IO handlers */
static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
struct snd_kcontrol_new *k,
const struct snd_soc_tplg_kcontrol_ops *ops, int num_ops,
const struct snd_soc_tplg_kcontrol_ops *bops, int num_bops)
{
int i;
/* try and map standard kcontrols handler first */
for (i = 0; i < num_ops; i++) {
if (ops[i].id == hdr->ops.put)
k->put = ops[i].put;
if (ops[i].id == hdr->ops.get)
k->get = ops[i].get;
if (ops[i].id == hdr->ops.info)
k->info = ops[i].info;
}
/* standard handlers found ? */
if (k->put && k->get && k->info)
return 0;
/* none found so try bespoke handlers */
for (i = 0; i < num_bops; i++) {
if (k->put == NULL && bops[i].id == hdr->ops.put)
k->put = bops[i].put;
if (k->get == NULL && bops[i].id == hdr->ops.get)
k->get = bops[i].get;
if (k->info == NULL && ops[i].id == hdr->ops.info)
k->info = bops[i].info;
}
/* bespoke handlers found ? */
if (k->put && k->get && k->info)
return 0;
/* nothing to bind */
return -EINVAL;
}
/* bind a widgets to it's evnt handlers */
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)
{
int i;
w->event = NULL;
for (i = 0; i < num_events; i++) {
if (event_type == events[i].type) {
/* found - so assign event */
w->event = events[i].event_handler;
return 0;
}
}
/* not found */
return -EINVAL;
}
EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
/* optionally pass new dynamic kcontrol to component driver. */
static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
{
if (tplg->comp && tplg->ops && tplg->ops->control_load)
return tplg->ops->control_load(tplg->comp, k, hdr);
return 0;
}
static int soc_tplg_create_tlv(struct soc_tplg *tplg,
struct snd_kcontrol_new *kc, u32 tlv_size)
{
struct snd_soc_tplg_ctl_tlv *tplg_tlv;
struct snd_ctl_tlv *tlv;
if (tlv_size == 0)
return 0;
tplg_tlv = (struct snd_soc_tplg_ctl_tlv *) tplg->pos;
tplg->pos += tlv_size;
tlv = kzalloc(sizeof(*tlv) + tlv_size, GFP_KERNEL);
if (tlv == NULL)
return -ENOMEM;
dev_dbg(tplg->dev, " created TLV type %d size %d bytes\n",
tplg_tlv->numid, tplg_tlv->size);
tlv->numid = tplg_tlv->numid;
tlv->length = tplg_tlv->size;
memcpy(tlv->tlv, tplg_tlv + 1, tplg_tlv->size);
kc->tlv.p = (void *)tlv;
return 0;
}
static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
struct snd_kcontrol_new *kc)
{
kfree(kc->tlv.p);
}
static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
size_t size)
{
struct snd_soc_tplg_bytes_control *be;
struct soc_bytes_ext *sbe;
struct snd_kcontrol_new kc;
int i, err;
if (soc_tplg_check_elem_count(tplg,
sizeof(struct snd_soc_tplg_bytes_control), count,
size, "mixer bytes")) {
dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
count);
return -EINVAL;
}
for (i = 0; i < count; i++) {
be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
/* validate kcontrol */
if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
return -EINVAL;
sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
if (sbe == NULL)
return -ENOMEM;
tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
be->priv.size);
dev_dbg(tplg->dev,
"ASoC: adding bytes kcontrol %s with access 0x%x\n",
be->hdr.name, be->hdr.access);
memset(&kc, 0, sizeof(kc));
kc.name = be->hdr.name;
kc.private_value = (long)sbe;
kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
kc.access = be->hdr.access;
sbe->max = be->max;
sbe->dobj.type = SND_SOC_DOBJ_BYTES;
sbe->dobj.ops = tplg->ops;
INIT_LIST_HEAD(&sbe->dobj.list);
/* map io handlers */
err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, io_ops,
ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count);
if (err) {
soc_control_err(tplg, &be->hdr, be->hdr.name);
kfree(sbe);
continue;
}
/* pass control to driver for optional further init */
err = soc_tplg_init_kcontrol(tplg, &kc,
(struct snd_soc_tplg_ctl_hdr *)be);
if (err < 0) {
dev_err(tplg->dev, "ASoC: failed to init %s\n",
be->hdr.name);
kfree(sbe);
continue;
}
/* register control here */
err = soc_tplg_add_kcontrol(tplg, &kc,
&sbe->dobj.control.kcontrol);
if (err < 0) {
dev_err(tplg->dev, "ASoC: failed to add %s\n",
be->hdr.name);
kfree(sbe);
continue;
}
list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
}
return 0;
}
static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
size_t size)
{
struct snd_soc_tplg_mixer_control *mc;
struct soc_mixer_control *sm;
struct snd_kcontrol_new kc;
int i, err;
if (soc_tplg_check_elem_count(tplg,
sizeof(struct snd_soc_tplg_mixer_control),
count, size, "mixers")) {
dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
count);
return -EINVAL;
}
for (i = 0; i < count; i++) {
mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
/* validate kcontrol */
if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
return -EINVAL;
sm = kzalloc(sizeof(*sm), GFP_KERNEL);
if (sm == NULL)
return -ENOMEM;
tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
mc->priv.size);
dev_dbg(tplg->dev,
"ASoC: adding mixer kcontrol %s with access 0x%x\n",
mc->hdr.name, mc->hdr.access);
memset(&kc, 0, sizeof(kc));
kc.name = mc->hdr.name;
kc.private_value = (long)sm;
kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
kc.access = mc->hdr.access;
/* we only support FL/FR channel mapping atm */
sm->reg = tplc_chan_get_reg(tplg, mc->channel,
SNDRV_CHMAP_FL);
sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
SNDRV_CHMAP_FR);
sm->shift = tplc_chan_get_shift(tplg, mc->channel,
SNDRV_CHMAP_FL);
sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
SNDRV_CHMAP_FR);
sm->max = mc->max;
sm->min = mc->min;
sm->invert = mc->invert;
sm->platform_max = mc->platform_max;
sm->dobj.index = tplg->index;
sm->dobj.ops = tplg->ops;
sm->dobj.type = SND_SOC_DOBJ_MIXER;
INIT_LIST_HEAD(&sm->dobj.list);
/* map io handlers */
err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, io_ops,
ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count);
if (err) {
soc_control_err(tplg, &mc->hdr, mc->hdr.name);
kfree(sm);
continue;
}
/* pass control to driver for optional further init */
err = soc_tplg_init_kcontrol(tplg, &kc,
(struct snd_soc_tplg_ctl_hdr *) mc);
if (err < 0) {
dev_err(tplg->dev, "ASoC: failed to init %s\n",
mc->hdr.name);
kfree(sm);
continue;
}
/* create any TLV data */
soc_tplg_create_tlv(tplg, &kc, mc->hdr.tlv_size);
/* register control here */
err = soc_tplg_add_kcontrol(tplg, &kc,
&sm->dobj.control.kcontrol);
if (err < 0) {
dev_err(tplg->dev, "ASoC: failed to add %s\n",
mc->hdr.name);
soc_tplg_free_tlv(tplg, &kc);
kfree(sm);
continue;
}
list_add(&sm->dobj.list, &tplg->comp->dobj_list);
}
return 0;
}
static int soc_tplg_denum_create_texts(struct soc_enum *se,
struct snd_soc_tplg_enum_control *ec)
{
int i, ret;
se->dobj.control.dtexts =
kzalloc(sizeof(char *) * ec->items, GFP_KERNEL);
if (se->dobj.control.dtexts == NULL)
return -ENOMEM;
for (i = 0; i < ec->items; i++) {
if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
ret = -EINVAL;
goto err;
}
se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
if (!se->dobj.control.dtexts[i]) {
ret = -ENOMEM;
goto err;
}
}
return 0;
err:
for (--i; i >= 0; i--)
kfree(se->dobj.control.dtexts[i]);
kfree(se->dobj.control.dtexts);
return ret;
}
static int soc_tplg_denum_create_values(struct soc_enum *se,
struct snd_soc_tplg_enum_control *ec)
{
if (ec->items > sizeof(*ec->values))
return -EINVAL;
se->dobj.control.dvalues =
kmalloc(ec->items * sizeof(u32), GFP_KERNEL);
if (!se->dobj.control.dvalues)
return -ENOMEM;
memcpy(se->dobj.control.dvalues, ec->values, ec->items * sizeof(u32));
return 0;
}
static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
size_t size)
{
struct snd_soc_tplg_enum_control *ec;
struct soc_enum *se;
struct snd_kcontrol_new kc;
int i, ret, err;
if (soc_tplg_check_elem_count(tplg,
sizeof(struct snd_soc_tplg_enum_control),
count, size, "enums")) {
dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
count);
return -EINVAL;
}
for (i = 0; i < count; i++) {
ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
ec->priv.size);
/* validate kcontrol */
if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
return -EINVAL;
se = kzalloc((sizeof(*se)), GFP_KERNEL);
if (se == NULL)
return -ENOMEM;
dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
ec->hdr.name, ec->items);
memset(&kc, 0, sizeof(kc));
kc.name = ec->hdr.name;
kc.private_value = (long)se;
kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
kc.access = ec->hdr.access;
se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
SNDRV_CHMAP_FL);
se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
SNDRV_CHMAP_FL);
se->items = ec->items;
se->mask = ec->mask;
se->dobj.index = tplg->index;
se->dobj.type = SND_SOC_DOBJ_ENUM;
se->dobj.ops = tplg->ops;
INIT_LIST_HEAD(&se->dobj.list);
switch (ec->hdr.ops.info) {
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
case SND_SOC_TPLG_CTL_ENUM_VALUE:
err = soc_tplg_denum_create_values(se, ec);
if (err < 0) {
dev_err(tplg->dev,
"ASoC: could not create values for %s\n",
ec->hdr.name);
kfree(se);
continue;
}
/* fall through and create texts */
case SND_SOC_TPLG_CTL_ENUM:
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
err = soc_tplg_denum_create_texts(se, ec);
if (err < 0) {
dev_err(tplg->dev,
"ASoC: could not create texts for %s\n",
ec->hdr.name);
kfree(se);
continue;
}
break;
default:
dev_err(tplg->dev,
"ASoC: invalid enum control type %d for %s\n",
ec->hdr.ops.info, ec->hdr.name);
kfree(se);
continue;
}
/* map io handlers */
err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, io_ops,
ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count);
if (err) {
soc_control_err(tplg, &ec->hdr, ec->hdr.name);
kfree(se);
continue;
}
/* pass control to driver for optional further init */
err = soc_tplg_init_kcontrol(tplg, &kc,
(struct snd_soc_tplg_ctl_hdr *) ec);
if (err < 0) {
dev_err(tplg->dev, "ASoC: failed to init %s\n",
ec->hdr.name);
kfree(se);
continue;
}
/* register control here */
ret = soc_tplg_add_kcontrol(tplg,
&kc, &se->dobj.control.kcontrol);
if (ret < 0) {
dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
ec->hdr.name);
kfree(se);
continue;
}
list_add(&se->dobj.list, &tplg->comp->dobj_list);
}
return 0;
}
static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
struct snd_soc_tplg_ctl_hdr *control_hdr;
int i;
if (tplg->pass != SOC_TPLG_PASS_MIXER) {
tplg->pos += hdr->size + hdr->payload_size;
return 0;
}
dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
soc_tplg_get_offset(tplg));
for (i = 0; i < hdr->count; i++) {
control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
switch (control_hdr->ops.info) {
case SND_SOC_TPLG_CTL_VOLSW:
case SND_SOC_TPLG_CTL_STROBE:
case SND_SOC_TPLG_CTL_VOLSW_SX:
case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
case SND_SOC_TPLG_CTL_RANGE:
case SND_SOC_TPLG_DAPM_CTL_VOLSW:
case SND_SOC_TPLG_DAPM_CTL_PIN:
soc_tplg_dmixer_create(tplg, 1, hdr->payload_size);
break;
case SND_SOC_TPLG_CTL_ENUM:
case SND_SOC_TPLG_CTL_ENUM_VALUE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
soc_tplg_denum_create(tplg, 1, hdr->payload_size);
break;
case SND_SOC_TPLG_CTL_BYTES:
soc_tplg_dbytes_create(tplg, 1, hdr->payload_size);
break;
default:
soc_bind_err(tplg, control_hdr, i);
return -EINVAL;
}
}
return 0;
}
static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
struct snd_soc_dapm_route route;
struct snd_soc_tplg_dapm_graph_elem *elem;
int count = hdr->count, i;
if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
tplg->pos += hdr->size + hdr->payload_size;
return 0;
}
if (soc_tplg_check_elem_count(tplg,
sizeof(struct snd_soc_tplg_dapm_graph_elem),
count, hdr->payload_size, "graph")) {
dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
count);
return -EINVAL;
}
dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes\n", count);
for (i = 0; i < count; i++) {
elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
/* validate routes */
if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
return -EINVAL;
if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
return -EINVAL;
if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
return -EINVAL;
route.source = elem->source;
route.sink = elem->sink;
route.connected = NULL; /* set to NULL atm for tplg users */
if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
route.control = NULL;
else
route.control = elem->control;
/* add route, but keep going if some fail */
snd_soc_dapm_add_routes(dapm, &route, 1);
}
return 0;
}
static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
struct soc_tplg *tplg, int num_kcontrols)
{
struct snd_kcontrol_new *kc;
struct soc_mixer_control *sm;
struct snd_soc_tplg_mixer_control *mc;
int i, err;
kc = kzalloc(sizeof(*kc) * num_kcontrols, GFP_KERNEL);
if (kc == NULL)
return NULL;
for (i = 0; i < num_kcontrols; i++) {
mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
sm = kzalloc(sizeof(*sm), GFP_KERNEL);
if (sm == NULL)
goto err;
tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
mc->priv.size);
/* validate kcontrol */
if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
goto err_str;
dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
mc->hdr.name, i);
kc[i].name = mc->hdr.name;
kc[i].private_value = (long)sm;
kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
kc[i].access = mc->hdr.access;
/* we only support FL/FR channel mapping atm */
sm->reg = tplc_chan_get_reg(tplg, mc->channel,
SNDRV_CHMAP_FL);
sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
SNDRV_CHMAP_FR);
sm->shift = tplc_chan_get_shift(tplg, mc->channel,
SNDRV_CHMAP_FL);
sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
SNDRV_CHMAP_FR);
sm->max = mc->max;
sm->min = mc->min;
sm->invert = mc->invert;
sm->platform_max = mc->platform_max;
sm->dobj.index = tplg->index;
INIT_LIST_HEAD(&sm->dobj.list);
/* map io handlers */
err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], io_ops,
ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count);
if (err) {
soc_control_err(tplg, &mc->hdr, mc->hdr.name);
kfree(sm);
continue;
}
/* pass control to driver for optional further init */
err = soc_tplg_init_kcontrol(tplg, &kc[i],
(struct snd_soc_tplg_ctl_hdr *)mc);
if (err < 0) {
dev_err(tplg->dev, "ASoC: failed to init %s\n",
mc->hdr.name);
kfree(sm);
continue;
}
}
return kc;
err_str:
kfree(sm);
err:
for (--i; i >= 0; i--)
kfree((void *)kc[i].private_value);
kfree(kc);
return NULL;
}
static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
struct soc_tplg *tplg)
{
struct snd_kcontrol_new *kc;
struct snd_soc_tplg_enum_control *ec;
struct soc_enum *se;
int i, err;
ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
ec->priv.size);
/* validate kcontrol */
if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
return NULL;
kc = kzalloc(sizeof(*kc), GFP_KERNEL);
if (kc == NULL)
return NULL;
se = kzalloc(sizeof(*se), GFP_KERNEL);
if (se == NULL)
goto err;
dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
ec->hdr.name);
kc->name = ec->hdr.name;
kc->private_value = (long)se;
kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
kc->access = ec->hdr.access;
/* we only support FL/FR channel mapping atm */
se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
se->shift_l = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FL);
se->shift_r = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FR);
se->items = ec->items;
se->mask = ec->mask;
se->dobj.index = tplg->index;
switch (ec->hdr.ops.info) {
case SND_SOC_TPLG_CTL_ENUM_VALUE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
err = soc_tplg_denum_create_values(se, ec);
if (err < 0) {
dev_err(tplg->dev, "ASoC: could not create values for %s\n",
ec->hdr.name);
goto err_se;
}
/* fall through to create texts */
case SND_SOC_TPLG_CTL_ENUM:
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
err = soc_tplg_denum_create_texts(se, ec);
if (err < 0) {
dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
ec->hdr.name);
goto err_se;
}
break;
default:
dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
ec->hdr.ops.info, ec->hdr.name);
goto err_se;
}
/* map io handlers */
err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, io_ops,
ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count);
if (err) {
soc_control_err(tplg, &ec->hdr, ec->hdr.name);
goto err_se;
}
/* pass control to driver for optional further init */
err = soc_tplg_init_kcontrol(tplg, kc,
(struct snd_soc_tplg_ctl_hdr *)ec);
if (err < 0) {
dev_err(tplg->dev, "ASoC: failed to init %s\n",
ec->hdr.name);
goto err_se;
}
return kc;
err_se:
/* free values and texts */
kfree(se->dobj.control.dvalues);
for (i = 0; i < ec->items; i++)
kfree(se->dobj.control.dtexts[i]);
kfree(se);
err:
kfree(kc);
return NULL;
}
static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
struct soc_tplg *tplg, int count)
{
struct snd_soc_tplg_bytes_control *be;
struct soc_bytes_ext *sbe;
struct snd_kcontrol_new *kc;
int i, err;
kc = kzalloc(sizeof(*kc) * count, GFP_KERNEL);
if (!kc)
return NULL;
for (i = 0; i < count; i++) {
be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
/* validate kcontrol */
if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
goto err;
sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
if (sbe == NULL)
goto err;
tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
be->priv.size);
dev_dbg(tplg->dev,
"ASoC: adding bytes kcontrol %s with access 0x%x\n",
be->hdr.name, be->hdr.access);
memset(kc, 0, sizeof(*kc));
kc[i].name = be->hdr.name;
kc[i].private_value = (long)sbe;
kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
kc[i].access = be->hdr.access;
sbe->max = be->max;
INIT_LIST_HEAD(&sbe->dobj.list);
/* map standard io handlers and check for external handlers */
err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], io_ops,
ARRAY_SIZE(io_ops), tplg->io_ops,
tplg->io_ops_count);
if (err) {
soc_control_err(tplg, &be->hdr, be->hdr.name);
kfree(sbe);
continue;
}
/* pass control to driver for optional further init */
err = soc_tplg_init_kcontrol(tplg, &kc[i],
(struct snd_soc_tplg_ctl_hdr *)be);
if (err < 0) {
dev_err(tplg->dev, "ASoC: failed to init %s\n",
be->hdr.name);
kfree(sbe);
continue;
}
}
return kc;
err:
for (--i; i >= 0; i--)
kfree((void *)kc[i].private_value);
kfree(kc);
return NULL;
}
static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
struct snd_soc_tplg_dapm_widget *w)
{
struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
struct snd_soc_dapm_widget template, *widget;
struct snd_soc_tplg_ctl_hdr *control_hdr;
struct snd_soc_card *card = tplg->comp->card;
int ret = 0;
if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
return -EINVAL;
if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
return -EINVAL;
dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
w->name, w->id);
memset(&template, 0, sizeof(template));
/* map user to kernel widget ID */
template.id = get_widget_id(w->id);
if (template.id < 0)
return template.id;
template.name = kstrdup(w->name, GFP_KERNEL);
if (!template.name)
return -ENOMEM;
template.sname = kstrdup(w->sname, GFP_KERNEL);
if (!template.sname) {
ret = -ENOMEM;
goto err;
}
template.reg = w->reg;
template.shift = w->shift;
template.mask = w->mask;
template.on_val = w->invert ? 0 : 1;
template.off_val = w->invert ? 1 : 0;
template.ignore_suspend = w->ignore_suspend;
template.event_flags = w->event_flags;
template.dobj.index = tplg->index;
tplg->pos +=
(sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size);
if (w->num_kcontrols == 0) {
template.num_kcontrols = 0;
goto widget;
}
control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
w->name, w->num_kcontrols, control_hdr->type);
switch (control_hdr->ops.info) {
case SND_SOC_TPLG_CTL_VOLSW:
case SND_SOC_TPLG_CTL_STROBE:
case SND_SOC_TPLG_CTL_VOLSW_SX:
case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
case SND_SOC_TPLG_CTL_RANGE:
case SND_SOC_TPLG_DAPM_CTL_VOLSW:
template.num_kcontrols = w->num_kcontrols;
template.kcontrol_news =
soc_tplg_dapm_widget_dmixer_create(tplg,
template.num_kcontrols);
if (!template.kcontrol_news) {
ret = -ENOMEM;
goto hdr_err;
}
break;
case SND_SOC_TPLG_CTL_ENUM:
case SND_SOC_TPLG_CTL_ENUM_VALUE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
template.dobj.widget.kcontrol_enum = 1;
template.num_kcontrols = 1;
template.kcontrol_news =
soc_tplg_dapm_widget_denum_create(tplg);
if (!template.kcontrol_news) {
ret = -ENOMEM;
goto hdr_err;
}
break;
case SND_SOC_TPLG_CTL_BYTES:
template.num_kcontrols = w->num_kcontrols;
template.kcontrol_news =
soc_tplg_dapm_widget_dbytes_create(tplg,
template.num_kcontrols);
if (!template.kcontrol_news) {
ret = -ENOMEM;
goto hdr_err;
}
break;
default:
dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
control_hdr->ops.get, control_hdr->ops.put,
control_hdr->ops.info);
ret = -EINVAL;
goto hdr_err;
}
widget:
ret = soc_tplg_widget_load(tplg, &template, w);
if (ret < 0)
goto hdr_err;
/* card dapm mutex is held by the core if we are loading topology
* data during sound card init. */
if (card->instantiated)
widget = snd_soc_dapm_new_control(dapm, &template);
else
widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
if (widget == NULL) {
dev_err(tplg->dev, "ASoC: failed to create widget %s controls\n",
w->name);
goto hdr_err;
}
widget->dobj.type = SND_SOC_DOBJ_WIDGET;
widget->dobj.ops = tplg->ops;
widget->dobj.index = tplg->index;
list_add(&widget->dobj.list, &tplg->comp->dobj_list);
return 0;
hdr_err:
kfree(template.sname);
err:
kfree(template.name);
return ret;
}
static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
struct snd_soc_tplg_dapm_widget *widget;
int ret, count = hdr->count, i;
if (tplg->pass != SOC_TPLG_PASS_WIDGET)
return 0;
dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
for (i = 0; i < count; i++) {
widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
ret = soc_tplg_dapm_widget_create(tplg, widget);
if (ret < 0)
dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
widget->name);
}
return 0;
}
static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
{
struct snd_soc_card *card = tplg->comp->card;
int ret;
/* Card might not have been registered at this point.
* If so, just return success.
*/
if (!card || !card->instantiated) {
dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
"Do not add new widgets now\n");
return 0;
}
ret = snd_soc_dapm_new_widgets(card);
if (ret < 0)
dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
ret);
return 0;
}
static int soc_tplg_pcm_dai_elems_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
struct snd_soc_tplg_pcm_dai *pcm_dai;
struct snd_soc_dobj *dobj;
int count = hdr->count;
int ret;
if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
return 0;
pcm_dai = (struct snd_soc_tplg_pcm_dai *)tplg->pos;
if (soc_tplg_check_elem_count(tplg,
sizeof(struct snd_soc_tplg_pcm_dai), count,
hdr->payload_size, "PCM DAI")) {
dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
count);
return -EINVAL;
}
dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
tplg->pos += sizeof(struct snd_soc_tplg_pcm_dai) * count;
dobj = kzalloc(sizeof(struct snd_soc_dobj), GFP_KERNEL);
if (dobj == NULL)
return -ENOMEM;
/* Call the platform driver call back to register the dais */
ret = soc_tplg_pcm_dai_load(tplg, pcm_dai, count);
if (ret < 0) {
dev_err(tplg->comp->dev, "ASoC: PCM DAI loading failed\n");
goto err;
}
dobj->type = get_dobj_type(hdr, NULL);
dobj->pcm_dai.count = count;
dobj->pcm_dai.pd = pcm_dai;
dobj->ops = tplg->ops;
dobj->index = tplg->index;
list_add(&dobj->list, &tplg->comp->dobj_list);
return 0;
err:
kfree(dobj);
return ret;
}
static int soc_tplg_manifest_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
struct snd_soc_tplg_manifest *manifest;
if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
return 0;
manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
tplg->pos += sizeof(struct snd_soc_tplg_manifest);
if (tplg->comp && tplg->ops && tplg->ops->manifest)
return tplg->ops->manifest(tplg->comp, manifest);
dev_err(tplg->dev, "ASoC: Firmware manifest not supported\n");
return 0;
}
/* validate header magic, size and type */
static int soc_valid_header(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
return 0;
/* big endian firmware objects not supported atm */
if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) {
dev_err(tplg->dev,
"ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
tplg->pass, hdr->magic,
soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
return -EINVAL;
}
if (hdr->magic != SND_SOC_TPLG_MAGIC) {
dev_err(tplg->dev,
"ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
tplg->pass, hdr->magic,
soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
return -EINVAL;
}
if (hdr->abi != SND_SOC_TPLG_ABI_VERSION) {
dev_err(tplg->dev,
"ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
tplg->pass, hdr->abi,
SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
tplg->fw->size);
return -EINVAL;
}
if (hdr->payload_size == 0) {
dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
soc_tplg_get_hdr_offset(tplg));
return -EINVAL;
}
if (tplg->pass == hdr->type)
dev_dbg(tplg->dev,
"ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
hdr->payload_size, hdr->type, hdr->version,
hdr->vendor_type, tplg->pass);
return 1;
}
/* check header type and call appropriate handler */
static int soc_tplg_load_header(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
/* check for matching ID */
if (hdr->index != tplg->req_index &&
hdr->index != SND_SOC_TPLG_INDEX_ALL)
return 0;
tplg->index = hdr->index;
switch (hdr->type) {
case SND_SOC_TPLG_TYPE_MIXER:
case SND_SOC_TPLG_TYPE_ENUM:
case SND_SOC_TPLG_TYPE_BYTES:
return soc_tplg_kcontrol_elems_load(tplg, hdr);
case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
return soc_tplg_dapm_graph_elems_load(tplg, hdr);
case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
return soc_tplg_dapm_widget_elems_load(tplg, hdr);
case SND_SOC_TPLG_TYPE_PCM:
case SND_SOC_TPLG_TYPE_DAI_LINK:
case SND_SOC_TPLG_TYPE_CODEC_LINK:
return soc_tplg_pcm_dai_elems_load(tplg, hdr);
case SND_SOC_TPLG_TYPE_MANIFEST:
return soc_tplg_manifest_load(tplg, hdr);
default:
/* bespoke vendor data object */
return soc_tplg_vendor_load(tplg, hdr);
}
return 0;
}
/* process the topology file headers */
static int soc_tplg_process_headers(struct soc_tplg *tplg)
{
struct snd_soc_tplg_hdr *hdr;
int ret;
tplg->pass = SOC_TPLG_PASS_START;
/* process the header types from start to end */
while (tplg->pass <= SOC_TPLG_PASS_END) {
tplg->hdr_pos = tplg->fw->data;
hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
while (!soc_tplg_is_eof(tplg)) {
/* make sure header is valid before loading */
ret = soc_valid_header(tplg, hdr);
if (ret < 0)
return ret;
else if (ret == 0)
break;
/* load the header object */
ret = soc_tplg_load_header(tplg, hdr);
if (ret < 0)
return ret;
/* goto next header */
tplg->hdr_pos += hdr->payload_size +
sizeof(struct snd_soc_tplg_hdr);
hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
}
/* next data type pass */
tplg->pass++;
}
/* signal DAPM we are complete */
ret = soc_tplg_dapm_complete(tplg);
if (ret < 0)
dev_err(tplg->dev,
"ASoC: failed to initialise DAPM from Firmware\n");
return ret;
}
static int soc_tplg_load(struct soc_tplg *tplg)
{
int ret;
ret = soc_tplg_process_headers(tplg);
if (ret == 0)
soc_tplg_complete(tplg);
return ret;
}
/* load audio component topology from "firmware" file */
int snd_soc_tplg_component_load(struct snd_soc_component *comp,
struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
{
struct soc_tplg tplg;
/* setup parsing context */
memset(&tplg, 0, sizeof(tplg));
tplg.fw = fw;
tplg.dev = comp->dev;
tplg.comp = comp;
tplg.ops = ops;
tplg.req_index = id;
tplg.io_ops = ops->io_ops;
tplg.io_ops_count = ops->io_ops_count;
return soc_tplg_load(&tplg);
}
EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
/* remove this dynamic widget */
void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
{
/* make sure we are a widget */
if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
return;
remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
}
EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
/* remove all dynamic widgets from this DAPM context */
void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
u32 index)
{
struct snd_soc_dapm_widget *w, *next_w;
struct snd_soc_dapm_path *p, *next_p;
list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
/* make sure we are a widget with correct context */
if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
continue;
/* match ID */
if (w->dobj.index != index &&
w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
continue;
list_del(&w->list);
/*
* remove source and sink paths associated to this widget.
* While removing the path, remove reference to it from both
* source and sink widgets so that path is removed only once.
*/
list_for_each_entry_safe(p, next_p, &w->sources, list_sink) {
list_del(&p->list_sink);
list_del(&p->list_source);
list_del(&p->list);
kfree(p);
}
list_for_each_entry_safe(p, next_p, &w->sinks, list_source) {
list_del(&p->list_sink);
list_del(&p->list_source);
list_del(&p->list);
kfree(p);
}
/* check and free and dynamic widget kcontrols */
snd_soc_tplg_widget_remove(w);
kfree(w->kcontrols);
kfree(w->name);
kfree(w);
}
}
EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
/* remove dynamic controls from the component driver */
int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
{
struct snd_soc_dobj *dobj, *next_dobj;
int pass = SOC_TPLG_PASS_END;
/* process the header types from end to start */
while (pass >= SOC_TPLG_PASS_START) {
/* remove mixer controls */
list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
list) {
/* match index */
if (dobj->index != index &&
dobj->index != SND_SOC_TPLG_INDEX_ALL)
continue;
switch (dobj->type) {
case SND_SOC_DOBJ_MIXER:
remove_mixer(comp, dobj, pass);
break;
case SND_SOC_DOBJ_ENUM:
remove_enum(comp, dobj, pass);
break;
case SND_SOC_DOBJ_BYTES:
remove_bytes(comp, dobj, pass);
break;
case SND_SOC_DOBJ_WIDGET:
remove_widget(comp, dobj, pass);
break;
case SND_SOC_DOBJ_PCM:
case SND_SOC_DOBJ_DAI_LINK:
case SND_SOC_DOBJ_CODEC_LINK:
remove_pcm_dai(comp, dobj, pass);
break;
default:
dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
dobj->type);
break;
}
}
pass--;
}
/* let caller know if FW can be freed when no objects are left */
return !list_empty(&comp->dobj_list);
}
EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
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