drivers/media/dvb-frontends/stb0899_drv.h

Source file repositories/reference/linux-study-clean/drivers/media/dvb-frontends/stb0899_drv.h

File Facts

System
Linux kernel
Corpus path
drivers/media/dvb-frontends/stb0899_drv.h
Extension
.h
Size
3561 bytes
Lines
150
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

struct stb0899_s1_reg {
	u16	address;
	u8	data;
};

struct stb0899_s2_reg {
	u16	offset;
	u32	base_address;
	u32	data;
};

enum stb0899_inversion {
	IQ_SWAP_OFF	= +1, /* inversion affects the sign of e. g. */
	IQ_SWAP_ON	= -1, /* the derotator frequency register    */
};

#define STB0899_GPIO00				0xf140
#define STB0899_GPIO01				0xf141
#define STB0899_GPIO02				0xf142
#define STB0899_GPIO03				0xf143
#define STB0899_GPIO04				0xf144
#define STB0899_GPIO05				0xf145
#define STB0899_GPIO06				0xf146
#define STB0899_GPIO07				0xf147
#define STB0899_GPIO08				0xf148
#define STB0899_GPIO09				0xf149
#define STB0899_GPIO10				0xf14a
#define STB0899_GPIO11				0xf14b
#define STB0899_GPIO12				0xf14c
#define STB0899_GPIO13				0xf14d
#define STB0899_GPIO14				0xf14e
#define STB0899_GPIO15				0xf14f
#define STB0899_GPIO16				0xf150
#define STB0899_GPIO17				0xf151
#define STB0899_GPIO18				0xf152
#define STB0899_GPIO19				0xf153
#define STB0899_GPIO20				0xf154

#define STB0899_GPIOPULLUP			0x01 /* Output device is connected to Vdd */
#define STB0899_GPIOPULLDN			0x00 /* Output device is connected to Vss */

#define STB0899_POSTPROC_GPIO_POWER		0x00
#define STB0899_POSTPROC_GPIO_LOCK		0x01

/*
 * Post process output configuration control
 * 1. POWER ON/OFF		(index 0)
 * 2. FE_HAS_LOCK/LOCK_LOSS	(index 1)
 *
 * @gpio	= one of the above listed GPIO's
 * @level	= output state: pulled up or low
 */
struct stb0899_postproc {
	u16	gpio;
	u8	level;
};

struct stb0899_config {
	const struct stb0899_s1_reg	*init_dev;
	const struct stb0899_s2_reg	*init_s2_demod;
	const struct stb0899_s1_reg	*init_s1_demod;
	const struct stb0899_s2_reg	*init_s2_fec;
	const struct stb0899_s1_reg	*init_tst;

	const struct stb0899_postproc	*postproc;

	enum stb0899_inversion		inversion;

	u32	xtal_freq;

	u8	demod_address;
	u8	ts_output_mode;
	u8	block_sync_mode;
	u8	ts_pfbit_toggle;

	u8	clock_polarity;
	u8	data_clk_parity;
	u8	fec_mode;
	u8	data_output_ctl;
	u8	data_fifo_mode;
	u8	out_rate_comp;
	u8	i2c_repeater;
//	int	inversion;
	int	lo_clk;
	int	hi_clk;

	u32	esno_ave;
	u32	esno_quant;
	u32	avframes_coarse;
	u32	avframes_fine;

Annotation

Implementation Notes