drivers/media/usb/dvb-usb-v2/af9015.h

Source file repositories/reference/linux-study-clean/drivers/media/usb/dvb-usb-v2/af9015.h

File Facts

System
Linux kernel
Corpus path
drivers/media/usb/dvb-usb-v2/af9015.h
Extension
.h
Size
3431 bytes
Lines
132
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 req_t {
	u8  cmd;       /* [0] */
	/*  seq */     /* [1] */
	u8  i2c_addr;  /* [2] */
	u16 addr;      /* [3|4] */
	u8  mbox;      /* [5] */
	u8  addr_len;  /* [6] */
	u8  data_len;  /* [7] */
	u8  *data;
};

enum af9015_cmd {
	GET_CONFIG           = 0x10,
	DOWNLOAD_FIRMWARE    = 0x11,
	BOOT                 = 0x13,
	READ_MEMORY          = 0x20,
	WRITE_MEMORY         = 0x21,
	READ_WRITE_I2C       = 0x22,
	COPY_FIRMWARE        = 0x23,
	RECONNECT_USB        = 0x5a,
	WRITE_VIRTUAL_MEMORY = 0x26,
	GET_IR_CODE          = 0x27,
	READ_I2C,
	WRITE_I2C,
};

enum af9015_ir_mode {
	AF9015_IR_MODE_DISABLED = 0,
	AF9015_IR_MODE_HID,
	AF9015_IR_MODE_RLC,
	AF9015_IR_MODE_RC6,
	AF9015_IR_MODE_POLLING, /* just guess */
};

#define BUF_LEN 63
struct af9015_state {
	struct regmap *regmap;
	u8 buf[BUF_LEN]; /* bulk USB control message */
	u8 ir_mode;
	u8 rc_repeat;
	u32 rc_keycode;
	u8 rc_last[4];
	bool rc_failed;
	u8 dual_mode;
	u8 seq; /* packet sequence number */
	u16 mt2060_if1[2];
	u16 firmware_size;
	u16 firmware_checksum;
	u32 eeprom_sum;
	struct af9013_platform_data af9013_pdata[2];
	struct i2c_client *demod_i2c_client[2];
	u8 af9013_i2c_addr[2];
	bool usb_ts_if_configured[2];

	/* for demod callback override */
	int (*set_frontend[2]) (struct dvb_frontend *fe);
	int (*read_status[2]) (struct dvb_frontend *fe, enum fe_status *status);
	int (*init[2]) (struct dvb_frontend *fe);
	int (*sleep[2]) (struct dvb_frontend *fe);
	int (*tuner_init[2]) (struct dvb_frontend *fe);
	int (*tuner_sleep[2]) (struct dvb_frontend *fe);
	struct mutex fe_mutex;
};

enum af9015_remote {
	AF9015_REMOTE_NONE                    = 0,
/* 1 */	AF9015_REMOTE_A_LINK_DTU_M,
	AF9015_REMOTE_MSI_DIGIVOX_MINI_II_V3,
	AF9015_REMOTE_MYGICTV_U718,
	AF9015_REMOTE_DIGITTRADE_DVB_T,
/* 5 */	AF9015_REMOTE_AVERMEDIA_KS,
};

#endif

Annotation

Implementation Notes