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-rw-r--r--include/sound/soc.h124
1 files changed, 122 insertions, 2 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 3a4bd3a..fa9f2ef 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -203,6 +203,24 @@
SOC_VALUE_ENUM_DOUBLE_DECL(name, xreg, xshift, xshift, xmask, xtexts, xvalues)
/*
+ * Component probe and remove ordering levels for components with runtime
+ * dependencies.
+ */
+#define SND_SOC_COMP_ORDER_FIRST -2
+#define SND_SOC_COMP_ORDER_EARLY -1
+#define SND_SOC_COMP_ORDER_NORMAL 0
+#define SND_SOC_COMP_ORDER_LATE 1
+#define SND_SOC_COMP_ORDER_LAST 2
+
+/* DAI Link Host Mode Support */
+#define SND_SOC_DAI_LINK_NO_HOST 0x1
+#define SND_SOC_DAI_LINK_OPT_HOST 0x2
+
+#define snd_soc_get_enum_text(soc_enum, idx) \
+ (soc_enum->texts ? soc_enum->texts[idx] : soc_enum->dtexts[idx])
+
+
+/*
* Bias levels
*
* @ON: Bias is fully on for audio playback and capture operations.
@@ -220,6 +238,17 @@ enum snd_soc_bias_level {
SND_SOC_BIAS_ON,
};
+enum snd_soc_dsp_state {
+ SND_SOC_DSP_STATE_NEW = 0,
+ SND_SOC_DSP_STATE_OPEN,
+ SND_SOC_DSP_STATE_HW_PARAMS,
+ SND_SOC_DSP_STATE_PREPARE,
+ SND_SOC_DSP_STATE_START,
+ SND_SOC_DSP_STATE_STOP,
+ SND_SOC_DSP_STATE_HW_FREE,
+ SND_SOC_DSP_STATE_CLOSE,
+};
+
struct snd_jack;
struct snd_soc_card;
struct snd_soc_pcm_stream;
@@ -237,6 +266,7 @@ struct snd_soc_jack;
struct snd_soc_jack_zone;
struct snd_soc_jack_pin;
struct snd_soc_cache_ops;
+struct snd_soc_dsp_link;
#include <sound/soc-dapm.h>
#ifdef CONFIG_GPIOLIB
@@ -258,6 +288,11 @@ enum snd_soc_compress_type {
SND_SOC_RBTREE_COMPRESSION
};
+enum snd_soc_pcm_subclass {
+ SND_SOC_MUTEX_FE = 0,
+ SND_SOC_MUTEX_BE = 1,
+};
+
int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
unsigned int freq, int dir);
int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
@@ -297,6 +332,18 @@ int snd_soc_default_readable_register(struct snd_soc_codec *codec,
unsigned int reg);
int snd_soc_default_writable_register(struct snd_soc_codec *codec,
unsigned int reg);
+unsigned int snd_soc_platform_read(struct snd_soc_platform *platform,
+ unsigned int reg);
+unsigned int snd_soc_platform_write(struct snd_soc_platform *platform,
+ unsigned int reg, unsigned int val);
+
+struct snd_soc_codec *snd_soc_card_get_codec(struct snd_soc_card *card,
+ const char *codec_name);
+struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
+ const char *dai_link, int stream);
+struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
+ const char *dai_link);
+int snd_soc_card_active_links(struct snd_soc_card *card);
/* Utility functions to get clock rates from various things */
int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
@@ -349,6 +396,8 @@ struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
const char *prefix);
int snd_soc_add_controls(struct snd_soc_codec *codec,
const struct snd_kcontrol_new *controls, int num_controls);
+int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
+ const struct snd_kcontrol_new *controls, int num_controls);
int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol,
@@ -612,6 +661,13 @@ struct snd_soc_codec_driver {
void (*seq_notifier)(struct snd_soc_dapm_context *,
enum snd_soc_dapm_type, int);
+
+ /* probe ordering - for components with runtime dependencies */
+ int probe_order;
+ int remove_order;
+
+ /* codec stream completion event */
+ int (*stream_event)(struct snd_soc_dapm_context *dapm);
};
/* SoC platform interface */
@@ -623,8 +679,7 @@ struct snd_soc_platform_driver {
int (*resume)(struct snd_soc_dai *dai);
/* pcm creation and destruction */
- int (*pcm_new)(struct snd_card *, struct snd_soc_dai *,
- struct snd_pcm *);
+ int (*pcm_new)(struct snd_soc_pcm_runtime *);
void (*pcm_free)(struct snd_pcm *);
/*
@@ -636,6 +691,17 @@ struct snd_soc_platform_driver {
/* platform stream ops */
struct snd_pcm_ops *ops;
+
+ /* probe ordering - for components with runtime dependencies */
+ int probe_order;
+ int remove_order;
+
+ int (*stream_event)(struct snd_soc_dapm_context *dapm);
+ int (*bespoke_trigger)(struct snd_pcm_substream *, int);
+
+ /* platform DAPM IO TODO: refactor this */
+ unsigned int (*read)(struct snd_soc_platform *, unsigned int);
+ int (*write)(struct snd_soc_platform *, unsigned int, unsigned int);
};
struct snd_soc_platform {
@@ -647,9 +713,19 @@ struct snd_soc_platform {
unsigned int suspended:1; /* platform is suspended */
unsigned int probed:1;
+ struct snd_card *snd_card;
struct snd_soc_card *card;
struct list_head list;
struct list_head card_list;
+ int num_dai;
+
+ /* dapm */
+ struct snd_soc_dapm_context dapm;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_platform_root;
+ struct dentry *debugfs_dapm;
+#endif
};
struct snd_soc_dai_link {
@@ -661,15 +737,32 @@ struct snd_soc_dai_link {
const char *cpu_dai_name;
const char *codec_dai_name;
+ struct snd_soc_dsp_link *dsp_link;
/* Keep DAI active over suspend */
unsigned int ignore_suspend:1;
/* Symmetry requirements */
unsigned int symmetric_rates:1;
+ /* No PCM created for this DAI link */
+ unsigned int no_pcm:1;
+ /* This DAI link can change CODEC and platform at runtime*/
+ unsigned int dynamic:1;
+ /* This DAI link has no codec side driver*/
+ unsigned int no_codec:1;
+ /* This DAI has a Backend ID */
+ unsigned int be_id;
+ /* This DAI can support no host IO (no pcm data is copied to from host) */
+ unsigned int no_host_mode:2;
+ /* DAI link active */
+ unsigned int active;
/* codec/machine specific init - e.g. add machine controls */
int (*init)(struct snd_soc_pcm_runtime *rtd);
+ /* hw_params re-writing for BE and FE sync */
+ int (*be_hw_params_fixup)(struct snd_soc_pcm_runtime *rtd,
+ struct snd_pcm_hw_params *params);
+
/* machine stream operations */
struct snd_soc_ops *ops;
};
@@ -709,6 +802,9 @@ struct snd_soc_card {
struct list_head list;
struct mutex mutex;
+ struct mutex dapm_mutex;
+ struct mutex dsp_mutex;
+ struct mutex power_mutex;
bool instantiated;
@@ -774,6 +870,7 @@ struct snd_soc_card {
/* Generic DAPM context for the card */
struct snd_soc_dapm_context dapm;
+ int (*stream_event)(struct snd_soc_dapm_context *dapm);
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_card_root;
@@ -784,15 +881,32 @@ struct snd_soc_card {
void *drvdata;
};
+/* DSP runtime data */
+struct snd_soc_dsp_runtime {
+ struct list_head be_clients;
+ struct list_head fe_clients;
+ int users;
+ struct snd_pcm_runtime *runtime;
+ struct snd_pcm_hw_params hw_params;
+ int runtime_update;
+ enum snd_soc_dsp_state state;
+};
+
/* SoC machine DAI configuration, glues a codec and cpu DAI together */
struct snd_soc_pcm_runtime {
struct device dev;
struct snd_soc_card *card;
struct snd_soc_dai_link *dai_link;
+ struct mutex pcm_mutex;
+ enum snd_soc_pcm_subclass pcm_subclass;
+ struct snd_pcm_ops ops;
unsigned int complete:1;
unsigned int dev_registered:1;
+ /* DSP runtime data */
+ struct snd_soc_dsp_runtime dsp[2];
+
/* Symmetry data - only valid if symmetry is being enforced */
unsigned int rate;
long pmdown_time;
@@ -805,6 +919,11 @@ struct snd_soc_pcm_runtime {
struct snd_soc_dai *cpu_dai;
struct delayed_work delayed_work;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_dsp_root;
+ struct dentry *debugfs_dsp_state;
+#endif
};
/* mixer control */
@@ -822,6 +941,7 @@ struct soc_enum {
unsigned int max;
unsigned int mask;
const char * const *texts;
+ char **dtexts;
const unsigned int *values;
void *dapm;
};
generated by cgit v1.1 at 2025-01-07 05:49:50 +0000