sound/soc/codecs/wcd937x.h

Source file repositories/reference/linux-study-clean/sound/soc/codecs/wcd937x.h

File Facts

System
Linux kernel
Corpus path
sound/soc/codecs/wcd937x.h
Extension
.h
Size
24474 bytes
Lines
619
Domain
Driver Families
Bucket
sound/soc
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct wcd937x_sdw_priv {
	struct sdw_slave *sdev;
	struct sdw_stream_config sconfig;
	struct sdw_stream_runtime *sruntime;
	struct sdw_port_config port_config[WCD937X_MAX_SWR_PORTS];
	struct wcd_sdw_ch_info *ch_info;
	bool port_enable[WCD937X_MAX_SWR_CH_IDS];
	unsigned int master_channel_map[SDW_MAX_PORTS];
	int active_ports;
	int num_ports;
	bool is_tx;
	struct wcd937x_priv *wcd937x;
	struct irq_domain *slave_irq;
	struct regmap *regmap;
};

#if IS_ENABLED(CONFIG_SND_SOC_WCD937X_SDW)
int wcd937x_sdw_free(struct wcd937x_sdw_priv *wcd,
		     struct snd_pcm_substream *substream,
		     struct snd_soc_dai *dai);
int wcd937x_sdw_set_sdw_stream(struct wcd937x_sdw_priv *wcd,
			       struct snd_soc_dai *dai,
			       void *stream, int direction);
int wcd937x_sdw_hw_params(struct wcd937x_sdw_priv *wcd,
			  struct snd_pcm_substream *substream,
			  struct snd_pcm_hw_params *params,
			  struct snd_soc_dai *dai);

#else
static inline int wcd937x_sdw_free(struct wcd937x_sdw_priv *wcd,
		     struct snd_pcm_substream *substream,
		     struct snd_soc_dai *dai)
{
	return -EOPNOTSUPP;
}

static inline int wcd937x_sdw_set_sdw_stream(struct wcd937x_sdw_priv *wcd,
			       struct snd_soc_dai *dai,
			       void *stream, int direction)
{
	return -EOPNOTSUPP;
}

static inline int wcd937x_sdw_hw_params(struct wcd937x_sdw_priv *wcd,
			  struct snd_pcm_substream *substream,
			  struct snd_pcm_hw_params *params,
			  struct snd_soc_dai *dai)
{
	return -EOPNOTSUPP;
}
#endif

enum {
	/* INTR_CTRL_INT_MASK_0 */
	WCD937X_IRQ_MBHC_BUTTON_PRESS_DET = 0,
	WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET,
	WCD937X_IRQ_MBHC_ELECT_INS_REM_DET,
	WCD937X_IRQ_MBHC_ELECT_INS_REM_LEG_DET,
	WCD937X_IRQ_MBHC_SW_DET,
	WCD937X_IRQ_HPHR_OCP_INT,
	WCD937X_IRQ_HPHR_CNP_INT,
	WCD937X_IRQ_HPHL_OCP_INT,

	/* INTR_CTRL_INT_MASK_1 */
	WCD937X_IRQ_HPHL_CNP_INT,
	WCD937X_IRQ_EAR_CNP_INT,
	WCD937X_IRQ_EAR_SCD_INT,
	WCD937X_IRQ_AUX_CNP_INT,
	WCD937X_IRQ_AUX_SCD_INT,
	WCD937X_IRQ_HPHL_PDM_WD_INT,
	WCD937X_IRQ_HPHR_PDM_WD_INT,
	WCD937X_IRQ_AUX_PDM_WD_INT,

	/* INTR_CTRL_INT_MASK_2 */
	WCD937X_IRQ_LDORT_SCD_INT,
	WCD937X_IRQ_MBHC_MOISTURE_INT,
	WCD937X_IRQ_HPHL_SURGE_DET_INT,
	WCD937X_IRQ_HPHR_SURGE_DET_INT,
	WCD937X_NUM_IRQS,
};

enum wcd937x_tx_sdw_channels {
	WCD937X_ADC1,
	WCD937X_ADC2,
	WCD937X_ADC3,
	WCD937X_DMIC0,
	WCD937X_DMIC1,
	WCD937X_MBHC,
	WCD937X_DMIC2,
	WCD937X_DMIC3,

Annotation

Implementation Notes