sound/soc/codecs/cs47l24.c

Source file repositories/reference/linux-study-clean/sound/soc/codecs/cs47l24.c

File Facts

System
Linux kernel
Corpus path
sound/soc/codecs/cs47l24.c
Extension
.c
Size
46921 bytes
Lines
1356
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 cs47l24_priv {
	struct arizona_priv core;
	struct arizona_fll fll[2];
};

static const struct cs_dsp_region cs47l24_dsp2_regions[] = {
	{ .type = WMFW_ADSP2_PM, .base = 0x200000 },
	{ .type = WMFW_ADSP2_ZM, .base = 0x280000 },
	{ .type = WMFW_ADSP2_XM, .base = 0x290000 },
	{ .type = WMFW_ADSP2_YM, .base = 0x2a8000 },
};

static const struct cs_dsp_region cs47l24_dsp3_regions[] = {
	{ .type = WMFW_ADSP2_PM, .base = 0x300000 },
	{ .type = WMFW_ADSP2_ZM, .base = 0x380000 },
	{ .type = WMFW_ADSP2_XM, .base = 0x390000 },
	{ .type = WMFW_ADSP2_YM, .base = 0x3a8000 },
};

static const struct cs_dsp_region *cs47l24_dsp_regions[] = {
	cs47l24_dsp2_regions,
	cs47l24_dsp3_regions,
};

static int cs47l24_adsp_power_ev(struct snd_soc_dapm_widget *w,
				 struct snd_kcontrol *kcontrol, int event)
{
	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
	struct arizona *arizona = dev_get_drvdata(component->dev->parent);
	unsigned int v;
	int ret;

	ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, &v);
	if (ret != 0) {
		dev_err(component->dev, "Failed to read SYSCLK state: %d\n", ret);
		return ret;
	}

	v = (v & ARIZONA_SYSCLK_FREQ_MASK) >> ARIZONA_SYSCLK_FREQ_SHIFT;

	wm_adsp2_set_dspclk(w, v);

	return wm_adsp_early_event(w, kcontrol, event);
}

static DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
static DECLARE_TLV_DB_SCALE(digital_tlv, -6400, 50, 0);
static DECLARE_TLV_DB_SCALE(noise_tlv, -13200, 600, 0);
static DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);

#define CS47L24_NG_SRC(name, base) \
	SOC_SINGLE(name " NG HPOUT1L Switch",  base,  0, 1, 0), \
	SOC_SINGLE(name " NG HPOUT1R Switch",  base,  1, 1, 0), \
	SOC_SINGLE(name " NG SPKOUT Switch",  base,  6, 1, 0)

static const struct snd_kcontrol_new cs47l24_snd_controls[] = {
SOC_ENUM("IN1 OSR", arizona_in_dmic_osr[0]),
SOC_ENUM("IN2 OSR", arizona_in_dmic_osr[1]),

SOC_ENUM("IN HPF Cutoff Frequency", arizona_in_hpf_cut_enum),

SOC_SINGLE("IN1L HPF Switch", ARIZONA_IN1L_CONTROL,
	   ARIZONA_IN1L_HPF_SHIFT, 1, 0),
SOC_SINGLE("IN1R HPF Switch", ARIZONA_IN1R_CONTROL,
	   ARIZONA_IN1R_HPF_SHIFT, 1, 0),
SOC_SINGLE("IN2L HPF Switch", ARIZONA_IN2L_CONTROL,
	   ARIZONA_IN2L_HPF_SHIFT, 1, 0),
SOC_SINGLE("IN2R HPF Switch", ARIZONA_IN2R_CONTROL,
	   ARIZONA_IN2R_HPF_SHIFT, 1, 0),

SOC_SINGLE_TLV("IN1L Digital Volume", ARIZONA_ADC_DIGITAL_VOLUME_1L,
	       ARIZONA_IN1L_DIG_VOL_SHIFT, 0xbf, 0, digital_tlv),
SOC_SINGLE_TLV("IN1R Digital Volume", ARIZONA_ADC_DIGITAL_VOLUME_1R,
	       ARIZONA_IN1R_DIG_VOL_SHIFT, 0xbf, 0, digital_tlv),
SOC_SINGLE_TLV("IN2L Digital Volume", ARIZONA_ADC_DIGITAL_VOLUME_2L,
	       ARIZONA_IN2L_DIG_VOL_SHIFT, 0xbf, 0, digital_tlv),
SOC_SINGLE_TLV("IN2R Digital Volume", ARIZONA_ADC_DIGITAL_VOLUME_2R,
	       ARIZONA_IN2R_DIG_VOL_SHIFT, 0xbf, 0, digital_tlv),

SOC_ENUM("Input Ramp Up", arizona_in_vi_ramp),
SOC_ENUM("Input Ramp Down", arizona_in_vd_ramp),

ARIZONA_MIXER_CONTROLS("EQ1", ARIZONA_EQ1MIX_INPUT_1_SOURCE),
ARIZONA_MIXER_CONTROLS("EQ2", ARIZONA_EQ2MIX_INPUT_1_SOURCE),

ARIZONA_EQ_CONTROL("EQ1 Coefficients", ARIZONA_EQ1_2),
SOC_SINGLE_TLV("EQ1 B1 Volume", ARIZONA_EQ1_1, ARIZONA_EQ1_B1_GAIN_SHIFT,
	       24, 0, eq_tlv),
SOC_SINGLE_TLV("EQ1 B2 Volume", ARIZONA_EQ1_1, ARIZONA_EQ1_B2_GAIN_SHIFT,
	       24, 0, eq_tlv),

Annotation

Implementation Notes