sound/soc/codecs/wm8994.h

Source file repositories/reference/linux-study-clean/sound/soc/codecs/wm8994.h

File Facts

System
Linux kernel
Corpus path
sound/soc/codecs/wm8994.h
Extension
.h
Size
3936 bytes
Lines
174
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 wm8994_micdet {
	struct snd_soc_jack *jack;
	bool detecting;
};

/* codec private data */
struct wm8994_fll_config {
	int src;
	int in;
	int out;
};

#define WM8994_NUM_DRC 3
#define WM8994_NUM_EQ  3

struct wm8994;

struct wm8994_priv {
	struct wm_hubs_data hubs;
	struct wm8994 *wm8994;
	struct clk_bulk_data mclk[WM8994_NUM_MCLK];
	int sysclk[2];
	int sysclk_rate[2];
	int mclk_rate[2];
	int aifclk[2];
	int aifdiv[2];
	int channels[2];
	struct wm8994_fll_config fll[2], fll_suspend[2];
	struct completion fll_locked[2];
	bool fll_locked_irq;
	bool fll_byp;
	bool clk_has_run;

	int vmid_refcount;
	int active_refcount;
	enum wm8994_vmid_mode vmid_mode;

	int dac_rates[2];
	int lrclk_shared[2];

	int mbc_ena[3];
	int hpf1_ena[3];
	int hpf2_ena[3];
	int vss_ena[3];
	int enh_eq_ena[3];

	/* Platform dependent DRC configuration */
	const char **drc_texts;
	int drc_cfg[WM8994_NUM_DRC];
	struct soc_enum drc_enum;

	/* Platform dependent ReTune mobile configuration */
	int num_retune_mobile_texts;
	const char **retune_mobile_texts;
	int retune_mobile_cfg[WM8994_NUM_EQ];
	struct soc_enum retune_mobile_enum;

	/* Platform dependent MBC configuration */
	int mbc_cfg;
	const char **mbc_texts;
	struct soc_enum mbc_enum;

	/* Platform dependent VSS configuration */
	int vss_cfg;
	const char **vss_texts;
	struct soc_enum vss_enum;

	/* Platform dependent VSS HPF configuration */
	int vss_hpf_cfg;
	const char **vss_hpf_texts;
	struct soc_enum vss_hpf_enum;

	/* Platform dependent enhanced EQ configuration */
	int enh_eq_cfg;
	const char **enh_eq_texts;
	struct soc_enum enh_eq_enum;

	struct mutex accdet_lock;
	struct wm8994_micdet micdet[2];
	struct delayed_work mic_work;
	struct delayed_work open_circuit_work;
	struct delayed_work mic_complete_work;
	u16 mic_status;
	bool mic_detecting;
	bool jack_mic;
	int btn_mask;
	bool jackdet;
	int jackdet_mode;
	struct delayed_work jackdet_bootstrap;

Annotation

Implementation Notes