sound/soc/mediatek/mt8195/mt8195-audsys-clk.c

Source file repositories/reference/linux-study-clean/sound/soc/mediatek/mt8195/mt8195-audsys-clk.c

File Facts

System
Linux kernel
Corpus path
sound/soc/mediatek/mt8195/mt8195-audsys-clk.c
Extension
.c
Size
8088 bytes
Lines
216
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 afe_gate {
	int id;
	const char *name;
	const char *parent_name;
	int reg;
	u8 bit;
	const struct clk_ops *ops;
	unsigned long flags;
	u8 cg_flags;
};

#define GATE_AFE_FLAGS(_id, _name, _parent, _reg, _bit, _flags, _cgflags) {\
		.id = _id,					\
		.name = _name,					\
		.parent_name = _parent,				\
		.reg = _reg,					\
		.bit = _bit,					\
		.flags = _flags,				\
		.cg_flags = _cgflags,				\
	}

#define GATE_AFE(_id, _name, _parent, _reg, _bit)		\
	GATE_AFE_FLAGS(_id, _name, _parent, _reg, _bit,		\
		       CLK_SET_RATE_PARENT, CLK_GATE_SET_TO_DISABLE)

#define GATE_AUD0(_id, _name, _parent, _bit)			\
	GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON0, _bit)

#define GATE_AUD1(_id, _name, _parent, _bit)			\
	GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON1, _bit)

#define GATE_AUD3(_id, _name, _parent, _bit)			\
	GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON3, _bit)

#define GATE_AUD4(_id, _name, _parent, _bit)			\
	GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON4, _bit)

#define GATE_AUD5(_id, _name, _parent, _bit)			\
	GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON5, _bit)

#define GATE_AUD6(_id, _name, _parent, _bit)			\
	GATE_AFE(_id, _name, _parent, AUDIO_TOP_CON6, _bit)

static const struct afe_gate aud_clks[CLK_AUD_NR_CLK] = {
	/* AUD0 */
	GATE_AUD0(CLK_AUD_AFE, "aud_afe", "top_a1sys_hp", 2),
	GATE_AUD0(CLK_AUD_LRCK_CNT, "aud_lrck_cnt", "top_a1sys_hp", 4),
	GATE_AUD0(CLK_AUD_SPDIFIN_TUNER_APLL, "aud_spdifin_tuner_apll", "top_apll4", 10),
	GATE_AUD0(CLK_AUD_SPDIFIN_TUNER_DBG, "aud_spdifin_tuner_dbg", "top_apll4", 11),
	GATE_AUD0(CLK_AUD_UL_TML, "aud_ul_tml", "top_a1sys_hp", 18),
	GATE_AUD0(CLK_AUD_APLL1_TUNER, "aud_apll1_tuner", "top_apll1", 19),
	GATE_AUD0(CLK_AUD_APLL2_TUNER, "aud_apll2_tuner", "top_apll2", 20),
	GATE_AUD0(CLK_AUD_TOP0_SPDF, "aud_top0_spdf", "top_aud_iec_clk", 21),
	GATE_AUD0(CLK_AUD_APLL, "aud_apll", "top_apll1", 23),
	GATE_AUD0(CLK_AUD_APLL2, "aud_apll2", "top_apll2", 24),
	GATE_AUD0(CLK_AUD_DAC, "aud_dac", "top_a1sys_hp", 25),
	GATE_AUD0(CLK_AUD_DAC_PREDIS, "aud_dac_predis", "top_a1sys_hp", 26),
	GATE_AUD0(CLK_AUD_TML, "aud_tml", "top_a1sys_hp", 27),
	GATE_AUD0(CLK_AUD_ADC, "aud_adc", "top_a1sys_hp", 28),
	GATE_AUD0(CLK_AUD_DAC_HIRES, "aud_dac_hires", "top_audio_h", 31),

	/* AUD1 */
	GATE_AUD1(CLK_AUD_A1SYS_HP, "aud_a1sys_hp", "top_a1sys_hp", 2),
	GATE_AUD1(CLK_AUD_AFE_DMIC1, "aud_afe_dmic1", "top_a1sys_hp", 10),
	GATE_AUD1(CLK_AUD_AFE_DMIC2, "aud_afe_dmic2", "top_a1sys_hp", 11),
	GATE_AUD1(CLK_AUD_AFE_DMIC3, "aud_afe_dmic3", "top_a1sys_hp", 12),
	GATE_AUD1(CLK_AUD_AFE_DMIC4, "aud_afe_dmic4", "top_a1sys_hp", 13),
	GATE_AUD1(CLK_AUD_AFE_26M_DMIC_TM, "aud_afe_26m_dmic_tm", "top_a1sys_hp", 14),
	GATE_AUD1(CLK_AUD_UL_TML_HIRES, "aud_ul_tml_hires", "top_audio_h", 16),
	GATE_AUD1(CLK_AUD_ADC_HIRES, "aud_adc_hires", "top_audio_h", 17),
	GATE_AUD1(CLK_AUD_ADDA6_ADC, "aud_adda6_adc", "top_a1sys_hp", 18),
	GATE_AUD1(CLK_AUD_ADDA6_ADC_HIRES, "aud_adda6_adc_hires", "top_audio_h", 19),

	/* AUD3 */
	GATE_AUD3(CLK_AUD_LINEIN_TUNER, "aud_linein_tuner", "top_apll5", 5),
	GATE_AUD3(CLK_AUD_EARC_TUNER, "aud_earc_tuner", "top_apll3", 7),

	/* AUD4 */
	GATE_AUD4(CLK_AUD_I2SIN, "aud_i2sin", "top_a1sys_hp", 0),
	GATE_AUD4(CLK_AUD_TDM_IN, "aud_tdm_in", "top_a1sys_hp", 1),
	GATE_AUD4(CLK_AUD_I2S_OUT, "aud_i2s_out", "top_a1sys_hp", 6),
	GATE_AUD4(CLK_AUD_TDM_OUT, "aud_tdm_out", "top_a1sys_hp", 7),
	GATE_AUD4(CLK_AUD_HDMI_OUT, "aud_hdmi_out", "top_a1sys_hp", 8),
	GATE_AUD4(CLK_AUD_ASRC11, "aud_asrc11", "top_a1sys_hp", 16),
	GATE_AUD4(CLK_AUD_ASRC12, "aud_asrc12", "top_a1sys_hp", 17),
	GATE_AUD4(CLK_AUD_MULTI_IN, "aud_multi_in", "mphone_slave_b", 19),
	GATE_AUD4(CLK_AUD_INTDIR, "aud_intdir", "top_intdir", 20),
	GATE_AUD4(CLK_AUD_A1SYS, "aud_a1sys", "top_a1sys_hp", 21),
	GATE_AUD4(CLK_AUD_A2SYS, "aud_a2sys", "top_a2sys_hf", 22),
	GATE_AUD4(CLK_AUD_PCMIF, "aud_pcmif", "top_a1sys_hp", 24),

Annotation

Implementation Notes