sound/hda/codecs/side-codecs/cs35l41_hda.h

Source file repositories/reference/linux-study-clean/sound/hda/codecs/side-codecs/cs35l41_hda.h

File Facts

System
Linux kernel
Corpus path
sound/hda/codecs/side-codecs/cs35l41_hda.h
Extension
.h
Size
2601 bytes
Lines
116
Domain
Driver Families
Bucket
sound/hda
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 cs35l41_amp_cal_data {
	u32 calTarget[2];
	u32 calTime[2];
	s8 calAmbient;
	u8 calStatus;
	u16 calR;
} __packed;

struct cs35l41_amp_efi_data {
	u32 size;
	u32 count;
	struct cs35l41_amp_cal_data data[];
} __packed;

enum cs35l41_hda_spk_pos {
	CS35L41_LEFT,
	CS35L41_RIGHT,
	CS35L41_CENTER,
};

enum cs35l41_hda_gpio_function {
	CS35L41_NOT_USED,
	CS35l41_VSPK_SWITCH,
	CS35L41_INTERRUPT,
	CS35l41_SYNC,
};

enum control_bus {
	I2C,
	SPI
};

struct snd_kcontrol;

struct cs35l41_hda {
	struct device *dev;
	struct regmap *regmap;
	struct gpio_desc *reset_gpio;
	struct gpio_desc *cs_gpio;
	struct cs35l41_hw_cfg hw_cfg;
	struct hda_codec *codec;

	int irq;
	int index;
	int channel_index;
	unsigned volatile long irq_errors;
	const char *amp_name;
	const char *acpi_subsystem_id;
	int firmware_type;
	int speaker_id;
	struct mutex fw_mutex;
	struct work_struct fw_load_work;
	struct snd_kcontrol *fw_type_ctl;
	struct snd_kcontrol *fw_load_ctl;
	struct snd_kcontrol *mute_override_ctl;

	struct regmap_irq_chip_data *irq_data;
	bool firmware_running;
	bool request_fw_load;
	bool fw_request_ongoing;
	bool halo_initialized;
	bool playback_started;
	struct cs_dsp cs_dsp;
	struct acpi_device *dacpi;
	bool mute_override;
	enum control_bus control_bus;
	bool bypass_fw;
	unsigned int tuning_gain;
	struct cirrus_amp_cal_data cal_data;
	bool cal_data_valid;

};

enum halo_state {
	HALO_STATE_CODE_INIT_DOWNLOAD = 0,
	HALO_STATE_CODE_START,
	HALO_STATE_CODE_RUN
};

extern const struct dev_pm_ops cs35l41_hda_pm_ops;

int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq,
		      struct regmap *regmap, enum control_bus control_bus);
void cs35l41_hda_remove(struct device *dev);
int cs35l41_get_speaker_id(struct device *dev, int amp_index, int num_amps, int fixed_gpio_id);
int cs35l41_hda_parse_acpi(struct cs35l41_hda *cs35l41, struct device *physdev, int id);

#endif /*__CS35L41_HDA_H__*/

Annotation

Implementation Notes