sound/soc/codecs/pm4125.c

Source file repositories/reference/linux-study-clean/sound/soc/codecs/pm4125.c

File Facts

System
Linux kernel
Corpus path
sound/soc/codecs/pm4125.c
Extension
.c
Size
57732 bytes
Lines
1744
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 pm4125_priv {
	struct sdw_slave *tx_sdw_dev;
	struct pm4125_sdw_priv *sdw_priv[NUM_CODEC_DAIS];
	struct device *txdev;
	struct device *rxdev;
	struct device_node *rxnode;
	struct device_node *txnode;
	struct regmap *regmap;
	struct regmap *spmi_regmap;
	/* mbhc module */
	struct wcd_mbhc *wcd_mbhc;
	struct wcd_mbhc_config mbhc_cfg;
	struct wcd_mbhc_intr intr_ids;
	struct wcd_common common;
	struct irq_domain *virq;
	const struct regmap_irq_chip *chip_desc;
	struct regmap_irq_chip_data *irq_chip;
	struct snd_soc_jack *jack;
	unsigned long status_mask;
	s32 micb_ref[PM4125_MAX_MICBIAS];
	s32 pullup_ref[PM4125_MAX_MICBIAS];

	int hphr_pdm_wd_int;
	int hphl_pdm_wd_int;
	bool comp1_enable;
	bool comp2_enable;

	atomic_t gloal_mbias_cnt;
};

static const char * const pm4125_power_supplies[] = {
	"vdd-io", "vdd-cp", "vdd-mic-bias", "vdd-pa-vpos",
};

static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1);
static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1);

static const struct wcd_mbhc_field pm4125_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = {
	WCD_MBHC_FIELD(WCD_MBHC_L_DET_EN, PM4125_ANA_MBHC_MECH, 0x80),
	WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, PM4125_ANA_MBHC_MECH, 0x40),
	WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, PM4125_ANA_MBHC_MECH, 0x20),
	WCD_MBHC_FIELD(WCD_MBHC_MIC_CLAMP_CTL, PM4125_ANA_MBHC_PLUG_DETECT_CTL, 0x30),
	WCD_MBHC_FIELD(WCD_MBHC_ELECT_DETECTION_TYPE, PM4125_ANA_MBHC_ELECT, 0x08),
	WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, PM4125_ANA_MBHC_PLUG_DETECT_CTL, 0x1F),
	WCD_MBHC_FIELD(WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL, PM4125_ANA_MBHC_MECH, 0x04),
	WCD_MBHC_FIELD(WCD_MBHC_HPHL_PLUG_TYPE, PM4125_ANA_MBHC_MECH, 0x10),
	WCD_MBHC_FIELD(WCD_MBHC_GND_PLUG_TYPE, PM4125_ANA_MBHC_MECH, 0x08),
	WCD_MBHC_FIELD(WCD_MBHC_SW_HPH_LP_100K_TO_GND, PM4125_ANA_MBHC_MECH, 0x01),
	WCD_MBHC_FIELD(WCD_MBHC_ELECT_SCHMT_ISRC, PM4125_ANA_MBHC_ELECT, 0x06),
	WCD_MBHC_FIELD(WCD_MBHC_FSM_EN, PM4125_ANA_MBHC_ELECT, 0x80),
	WCD_MBHC_FIELD(WCD_MBHC_INSREM_DBNC, PM4125_ANA_MBHC_PLUG_DETECT_CTL, 0x0F),
	WCD_MBHC_FIELD(WCD_MBHC_BTN_DBNC, PM4125_ANA_MBHC_CTL_1, 0x03),
	WCD_MBHC_FIELD(WCD_MBHC_HS_VREF, PM4125_ANA_MBHC_CTL_2, 0x03),
	WCD_MBHC_FIELD(WCD_MBHC_HS_COMP_RESULT, PM4125_ANA_MBHC_RESULT_3, 0x08),
	WCD_MBHC_FIELD(WCD_MBHC_IN2P_CLAMP_STATE, PM4125_ANA_MBHC_RESULT_3, 0x10),
	WCD_MBHC_FIELD(WCD_MBHC_MIC_SCHMT_RESULT, PM4125_ANA_MBHC_RESULT_3, 0x20),
	WCD_MBHC_FIELD(WCD_MBHC_HPHL_SCHMT_RESULT, PM4125_ANA_MBHC_RESULT_3, 0x80),
	WCD_MBHC_FIELD(WCD_MBHC_HPHR_SCHMT_RESULT, PM4125_ANA_MBHC_RESULT_3, 0x40),
	WCD_MBHC_FIELD(WCD_MBHC_BTN_RESULT, PM4125_ANA_MBHC_RESULT_3, 0x07),
	WCD_MBHC_FIELD(WCD_MBHC_BTN_ISRC_CTL, PM4125_ANA_MBHC_ELECT, 0x70),
	WCD_MBHC_FIELD(WCD_MBHC_ELECT_RESULT, PM4125_ANA_MBHC_RESULT_3, 0xFF),
	WCD_MBHC_FIELD(WCD_MBHC_MICB_CTRL, PM4125_ANA_MICBIAS_MICB_1_2_EN, 0xC0),
	WCD_MBHC_FIELD(WCD_MBHC_HPHR_PA_EN, PM4125_ANA_HPHPA_CNP_CTL_2, 0x40),
	WCD_MBHC_FIELD(WCD_MBHC_HPHL_PA_EN, PM4125_ANA_HPHPA_CNP_CTL_2, 0x80),
	WCD_MBHC_FIELD(WCD_MBHC_HPH_PA_EN, PM4125_ANA_HPHPA_CNP_CTL_2, 0xC0),
	WCD_MBHC_FIELD(WCD_MBHC_SWCH_LEVEL_REMOVE, PM4125_ANA_MBHC_RESULT_3, 0x10),
	WCD_MBHC_FIELD(WCD_MBHC_FSM_STATUS, PM4125_ANA_MBHC_FSM_STATUS, 0x01),
	WCD_MBHC_FIELD(WCD_MBHC_MUX_CTL, PM4125_ANA_MBHC_CTL_2, 0x70),
	WCD_MBHC_FIELD(WCD_MBHC_MOISTURE_STATUS, PM4125_ANA_MBHC_FSM_STATUS, 0x20),
	WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_DET_EN, PM4125_ANA_HPHPA_CNP_CTL_2, 0x01),
	WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_DET_EN, PM4125_ANA_HPHPA_CNP_CTL_2, 0x01),
	WCD_MBHC_FIELD(WCD_MBHC_HPHL_OCP_STATUS, PM4125_DIG_SWR_INTR_STATUS_0, 0x80),
	WCD_MBHC_FIELD(WCD_MBHC_HPHR_OCP_STATUS, PM4125_DIG_SWR_INTR_STATUS_0, 0x20),
	WCD_MBHC_FIELD(WCD_MBHC_ADC_EN, PM4125_ANA_MBHC_CTL_1, 0x08),
	WCD_MBHC_FIELD(WCD_MBHC_ADC_COMPLETE, PM4125_ANA_MBHC_FSM_STATUS, 0x40),
	WCD_MBHC_FIELD(WCD_MBHC_ADC_TIMEOUT, PM4125_ANA_MBHC_FSM_STATUS, 0x80),
	WCD_MBHC_FIELD(WCD_MBHC_ADC_RESULT, PM4125_ANA_MBHC_ADC_RESULT, 0xFF),
	WCD_MBHC_FIELD(WCD_MBHC_MICB2_VOUT, PM4125_ANA_MICBIAS_LDO_1_SETTING, 0x3F),
	WCD_MBHC_FIELD(WCD_MBHC_ADC_MODE, PM4125_ANA_MBHC_CTL_1, 0x10),
	WCD_MBHC_FIELD(WCD_MBHC_DETECTION_DONE, PM4125_ANA_MBHC_CTL_1, 0x04),
	WCD_MBHC_FIELD(WCD_MBHC_ELECT_ISRC_EN, PM4125_ANA_MBHC_ZDET, 0x02),
};

static const struct regmap_irq pm4125_irqs[PM4125_NUM_IRQS] = {
	REGMAP_IRQ_REG(PM4125_IRQ_MBHC_BUTTON_PRESS_DET, 0, BIT(0)),
	REGMAP_IRQ_REG(PM4125_IRQ_MBHC_BUTTON_RELEASE_DET, 0, BIT(1)),
	REGMAP_IRQ_REG(PM4125_IRQ_MBHC_ELECT_INS_REM_DET, 0, BIT(2)),
	REGMAP_IRQ_REG(PM4125_IRQ_MBHC_ELECT_INS_REM_LEG_DET, 0, BIT(3)),
	REGMAP_IRQ_REG(PM4125_IRQ_MBHC_SW_DET, 0, BIT(4)),
	REGMAP_IRQ_REG(PM4125_IRQ_HPHR_OCP_INT, 0, BIT(5)),

Annotation

Implementation Notes