drivers/media/i2c/max2175.h

Source file repositories/reference/linux-study-clean/drivers/media/i2c/max2175.h

File Facts

System
Linux kernel
Corpus path
drivers/media/i2c/max2175.h
Extension
.h
Size
1993 bytes
Lines
102
Domain
Driver Families
Bucket
drivers/media
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

#ifndef __MAX2175_H__
#define __MAX2175_H__

#define MAX2175_EU_XTAL_FREQ	36864000	/* In Hz */
#define MAX2175_NA_XTAL_FREQ	40186125	/* In Hz */

enum max2175_region {
	MAX2175_REGION_EU = 0,	/* Europe */
	MAX2175_REGION_NA,	/* North America */
};

enum max2175_band {
	MAX2175_BAND_AM = 0,
	MAX2175_BAND_FM,
	MAX2175_BAND_VHF,
	MAX2175_BAND_L,
};

enum max2175_eu_mode {
	/* EU modes */
	MAX2175_EU_FM_1_2 = 0,
	MAX2175_DAB_1_2,

	/*
	 * Other possible modes to add in future
	 * MAX2175_DAB_1_0,
	 * MAX2175_DAB_1_3,
	 * MAX2175_EU_FM_2_2,
	 * MAX2175_EU_FMHD_4_0,
	 * MAX2175_EU_AM_1_0,
	 * MAX2175_EU_AM_2_2,
	 */
};

enum max2175_na_mode {
	/* NA modes */
	MAX2175_NA_FM_1_0 = 0,
	MAX2175_NA_FM_2_0,

	/*
	 * Other possible modes to add in future
	 * MAX2175_NA_FMHD_1_0,
	 * MAX2175_NA_FMHD_1_2,
	 * MAX2175_NA_AM_1_0,
	 * MAX2175_NA_AM_1_2,
	 */
};

/* Supported I2S modes */
enum {
	MAX2175_I2S_MODE0 = 0,
	MAX2175_I2S_MODE1,
	MAX2175_I2S_MODE2,
	MAX2175_I2S_MODE3,
	MAX2175_I2S_MODE4,
};

/* Coefficient table groups */
enum {
	MAX2175_CH_MSEL = 0,
	MAX2175_EQ_MSEL,
	MAX2175_AA_MSEL,
};

/* HSLS LO injection polarity */
enum {
	MAX2175_LO_BELOW_DESIRED = 0,
	MAX2175_LO_ABOVE_DESIRED,
};

/* Channel FSM modes */
enum max2175_csm_mode {
	MAX2175_LOAD_TO_BUFFER = 0,
	MAX2175_PRESET_TUNE,
	MAX2175_SEARCH,
	MAX2175_AF_UPDATE,
	MAX2175_JUMP_FAST_TUNE,
	MAX2175_CHECK,
	MAX2175_LOAD_AND_SWAP,
	MAX2175_END,
	MAX2175_BUFFER_PLUS_PRESET_TUNE,
	MAX2175_BUFFER_PLUS_SEARCH,
	MAX2175_BUFFER_PLUS_AF_UPDATE,
	MAX2175_BUFFER_PLUS_JUMP_FAST_TUNE,
	MAX2175_BUFFER_PLUS_CHECK,
	MAX2175_BUFFER_PLUS_LOAD_AND_SWAP,
	MAX2175_NO_ACTION
};

#endif /* __MAX2175_H__ */

Annotation

Implementation Notes