diff options
Diffstat (limited to 'include/sound/soc-dai.h')
| -rw-r--r-- | include/sound/soc-dai.h | 65 |
1 files changed, 47 insertions, 18 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 2413acc5488..688f2ba8009 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -17,6 +17,8 @@ #include <linux/list.h> struct snd_pcm_substream; +struct snd_soc_dapm_widget; +struct snd_compr_stream; /* * DAI hardware audio formats. @@ -43,7 +45,7 @@ struct snd_pcm_substream; * sending or receiving PCM data in a frame. This can be used to save power. */ #define SND_SOC_DAIFMT_CONT (1 << 4) /* continuous clock */ -#define SND_SOC_DAIFMT_GATED (2 << 4) /* clock is gated */ +#define SND_SOC_DAIFMT_GATED (0 << 4) /* clock is gated */ /* * DAI hardware signal inversions. @@ -51,7 +53,7 @@ struct snd_pcm_substream; * Specifies whether the DAI can also support inverted clocks for the specified * format. */ -#define SND_SOC_DAIFMT_NB_NF (1 << 8) /* normal bit clock + frame */ +#define SND_SOC_DAIFMT_NB_NF (0 << 8) /* normal bit clock + frame */ #define SND_SOC_DAIFMT_NB_IF (2 << 8) /* normal BCLK + inv FRM */ #define SND_SOC_DAIFMT_IB_NF (3 << 8) /* invert BCLK + nor FRM */ #define SND_SOC_DAIFMT_IB_IF (4 << 8) /* invert BCLK + FRM */ @@ -93,14 +95,6 @@ struct snd_soc_dai_driver; struct snd_soc_dai; struct snd_ac97_bus_ops; -/* Digital Audio Interface registration */ -int snd_soc_register_dai(struct device *dev, - struct snd_soc_dai_driver *dai_drv); -void snd_soc_unregister_dai(struct device *dev); -int snd_soc_register_dais(struct device *dev, - struct snd_soc_dai_driver *dai_drv, size_t count); -void snd_soc_unregister_dais(struct device *dev, size_t count); - /* Digital Audio Interface clocking API.*/ int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir); @@ -111,6 +105,8 @@ int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out); +int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio); + /* Digital Audio interface formatting */ int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt); @@ -124,7 +120,10 @@ int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate); /* Digital Audio Interface mute */ -int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute); +int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, + int direction); + +int snd_soc_dai_is_dummy(struct snd_soc_dai *dai); struct snd_soc_dai_ops { /* @@ -136,12 +135,15 @@ struct snd_soc_dai_ops { int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source, unsigned int freq_in, unsigned int freq_out); int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div); + int (*set_bclk_ratio)(struct snd_soc_dai *dai, unsigned int ratio); /* * DAI format configuration * Called by soc_card drivers, normally in their hw_params. */ int (*set_fmt)(struct snd_soc_dai *dai, unsigned int fmt); + int (*xlate_tdm_slot_mask)(unsigned int slots, + unsigned int *tx_mask, unsigned int *rx_mask); int (*set_tdm_slot)(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width); @@ -155,6 +157,7 @@ struct snd_soc_dai_ops { * Called by soc-core to minimise any pops. */ int (*digital_mute)(struct snd_soc_dai *dai, int mute); + int (*mute_stream)(struct snd_soc_dai *dai, int mute, int stream); /* * ALSA PCM audio operations - all optional. @@ -170,8 +173,17 @@ struct snd_soc_dai_ops { struct snd_soc_dai *); int (*prepare)(struct snd_pcm_substream *, struct snd_soc_dai *); + /* + * NOTE: Commands passed to the trigger function are not necessarily + * compatible with the current state of the dai. For example this + * sequence of commands is possible: START STOP STOP. + * So do not unconditionally use refcounting functions in the trigger + * function, e.g. clk_enable/disable. + */ int (*trigger)(struct snd_pcm_substream *, int, struct snd_soc_dai *); + int (*bespoke_trigger)(struct snd_pcm_substream *, int, + struct snd_soc_dai *); /* * For hardware based FIFO caused delay reporting. * Optional. @@ -195,12 +207,15 @@ struct snd_soc_dai_driver { const char *name; unsigned int id; int ac97_control; + unsigned int base; /* DAI driver callbacks */ int (*probe)(struct snd_soc_dai *dai); int (*remove)(struct snd_soc_dai *dai); int (*suspend)(struct snd_soc_dai *dai); int (*resume)(struct snd_soc_dai *dai); + /* compress dai */ + bool compress_dai; /* ops */ const struct snd_soc_dai_ops *ops; @@ -209,6 +224,8 @@ struct snd_soc_dai_driver { struct snd_soc_pcm_stream capture; struct snd_soc_pcm_stream playback; unsigned int symmetric_rates:1; + unsigned int symmetric_channels:1; + unsigned int symmetric_samplebits:1; /* probe ordering - for components with runtime dependencies */ int probe_order; @@ -233,27 +250,32 @@ struct snd_soc_dai { unsigned int capture_active:1; /* stream is in use */ unsigned int playback_active:1; /* stream is in use */ unsigned int symmetric_rates:1; - struct snd_pcm_runtime *runtime; + unsigned int symmetric_channels:1; + unsigned int symmetric_samplebits:1; unsigned int active; - unsigned char pop_wait:1; unsigned char probed:1; + struct snd_soc_dapm_widget *playback_widget; + struct snd_soc_dapm_widget *capture_widget; + struct snd_soc_dapm_context dapm; + /* DAI DMA data */ void *playback_dma_data; void *capture_dma_data; /* Symmetry data - only valid if symmetry is being enforced */ unsigned int rate; + unsigned int channels; + unsigned int sample_bits; /* parent platform/codec */ - union { - struct snd_soc_platform *platform; - struct snd_soc_codec *codec; - }; + struct snd_soc_platform *platform; + struct snd_soc_codec *codec; + struct snd_soc_component *component; + struct snd_soc_card *card; struct list_head list; - struct list_head card_list; }; static inline void *snd_soc_dai_get_dma_data(const struct snd_soc_dai *dai, @@ -273,6 +295,13 @@ static inline void snd_soc_dai_set_dma_data(struct snd_soc_dai *dai, dai->capture_dma_data = data; } +static inline void snd_soc_dai_init_dma_data(struct snd_soc_dai *dai, + void *playback, void *capture) +{ + dai->playback_dma_data = playback; + dai->capture_dma_data = capture; +} + static inline void snd_soc_dai_set_drvdata(struct snd_soc_dai *dai, void *data) { |