drivers/media/pci/bt8xx/dst_common.h

Source file repositories/reference/linux-study-clean/drivers/media/pci/bt8xx/dst_common.h

File Facts

System
Linux kernel
Corpus path
drivers/media/pci/bt8xx/dst_common.h
Extension
.h
Size
3663 bytes
Lines
171
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 dst_state {

	struct i2c_adapter* i2c;

	struct bt878* bt;

	/* configuration settings */
	const struct dst_config* config;

	struct dvb_frontend frontend;

	/* private ASIC data */
	u8 tx_tuna[10];
	u8 rx_tuna[10];
	u8 rxbuffer[10];
	u8 diseq_flags;
	u8 dst_type;
	u32 type_flags;
	u32 frequency;		/* intermediate frequency in kHz for QPSK */
	enum fe_spectral_inversion inversion;
	u32 symbol_rate;	/* symbol rate in Symbols per second */
	enum fe_code_rate fec;
	enum fe_sec_voltage voltage;
	enum fe_sec_tone_mode tone;
	u32 decode_freq;
	u8 decode_lock;
	u16 decode_strength;
	u16 decode_snr;
	unsigned long cur_jiff;
	u8 k22;
	u32 bandwidth;
	u32 dst_hw_cap;
	u8 dst_fw_version;
	enum fe_sec_mini_cmd minicmd;
	enum fe_modulation modulation;
	u8 messages[256];
	u8 mac_address[8];
	u8 fw_version[8];
	u8 card_info[8];
	u8 vendor[8];
	u8 board_info[8];
	u32 tuner_type;
	char *tuner_name;
	struct mutex dst_mutex;
	char fw_name[8];
	struct dvb_device *dst_ca;
};

struct tuner_types {
	u32 tuner_type;
	char *tuner_name;
	char *board_name;
	char *fw_name;
};

struct dst_types {
	char *device_id;
	int offset;
	u8 dst_type;
	u32 type_flags;
	u32 dst_feature;
	u32 tuner_type;
};

struct dst_config
{
	/* the ASIC i2c address */
	u8 demod_address;
};

int rdc_reset_state(struct dst_state *state);

int dst_wait_dst_ready(struct dst_state *state, u8 delay_mode);
int dst_pio_disable(struct dst_state *state);
int dst_error_recovery(struct dst_state* state);
int dst_error_bailout(struct dst_state *state);
int dst_comm_init(struct dst_state* state);

int write_dst(struct dst_state *state, u8 * data, u8 len);
int read_dst(struct dst_state *state, u8 * ret, u8 len);
u8 dst_check_sum(u8 * buf, u32 len);
struct dst_state* dst_attach(struct dst_state* state, struct dvb_adapter *dvb_adapter);
struct dvb_device *dst_ca_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter);


#endif // DST_COMMON_H

Annotation

Implementation Notes