drivers/media/tuners/mt2063.c

Source file repositories/reference/linux-study-clean/drivers/media/tuners/mt2063.c

File Facts

System
Linux kernel
Corpus path
drivers/media/tuners/mt2063.c
Extension
.c
Size
66367 bytes
Lines
2268
Domain
Driver Families
Bucket
drivers/media
Inferred role
Driver Families: exported/initcall integration point
Status
integration 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 MT2063_ExclZone_t {
	u32 min_;
	u32 max_;
	struct MT2063_ExclZone_t *next_;
};

/*
 *  Structure of data needed for Spur Avoidance
 */
struct MT2063_AvoidSpursData_t {
	u32 f_ref;
	u32 f_in;
	u32 f_LO1;
	u32 f_if1_Center;
	u32 f_if1_Request;
	u32 f_if1_bw;
	u32 f_LO2;
	u32 f_out;
	u32 f_out_bw;
	u32 f_LO1_Step;
	u32 f_LO2_Step;
	u32 f_LO1_FracN_Avoid;
	u32 f_LO2_FracN_Avoid;
	u32 f_zif_bw;
	u32 f_min_LO_Separation;
	u32 maxH1;
	u32 maxH2;
	enum MT2063_DECT_Avoid_Type avoidDECT;
	u32 bSpurPresent;
	u32 bSpurAvoided;
	u32 nSpursFound;
	u32 nZones;
	struct MT2063_ExclZone_t *freeZones;
	struct MT2063_ExclZone_t *usedZones;
	struct MT2063_ExclZone_t MT2063_ExclZones[MT2063_MAX_ZONES];
};

/*
 * Parameter for function MT2063_SetPowerMask that specifies the power down
 * of various sections of the MT2063.
 */
enum MT2063_Mask_Bits {
	MT2063_REG_SD = 0x0040,		/* Shutdown regulator                 */
	MT2063_SRO_SD = 0x0020,		/* Shutdown SRO                       */
	MT2063_AFC_SD = 0x0010,		/* Shutdown AFC A/D                   */
	MT2063_PD_SD = 0x0002,		/* Enable power detector shutdown     */
	MT2063_PDADC_SD = 0x0001,	/* Enable power detector A/D shutdown */
	MT2063_VCO_SD = 0x8000,		/* Enable VCO shutdown                */
	MT2063_LTX_SD = 0x4000,		/* Enable LTX shutdown                */
	MT2063_LT1_SD = 0x2000,		/* Enable LT1 shutdown                */
	MT2063_LNA_SD = 0x1000,		/* Enable LNA shutdown                */
	MT2063_UPC_SD = 0x0800,		/* Enable upconverter shutdown        */
	MT2063_DNC_SD = 0x0400,		/* Enable downconverter shutdown      */
	MT2063_VGA_SD = 0x0200,		/* Enable VGA shutdown                */
	MT2063_AMP_SD = 0x0100,		/* Enable AMP shutdown                */
	MT2063_ALL_SD = 0xFF73,		/* All shutdown bits for this tuner   */
	MT2063_NONE_SD = 0x0000		/* No shutdown bits                   */
};

/*
 *  Possible values for MT2063_DNC_OUTPUT
 */
enum MT2063_DNC_Output_Enable {
	MT2063_DNC_NONE = 0,
	MT2063_DNC_1,
	MT2063_DNC_2,
	MT2063_DNC_BOTH
};

/*
 *  Two-wire serial bus subaddresses of the tuner registers.
 *  Also known as the tuner's register addresses.
 */
enum MT2063_Register_Offsets {
	MT2063_REG_PART_REV = 0,	/*  0x00: Part/Rev Code         */
	MT2063_REG_LO1CQ_1,		/*  0x01: LO1C Queued Byte 1    */
	MT2063_REG_LO1CQ_2,		/*  0x02: LO1C Queued Byte 2    */
	MT2063_REG_LO2CQ_1,		/*  0x03: LO2C Queued Byte 1    */
	MT2063_REG_LO2CQ_2,		/*  0x04: LO2C Queued Byte 2    */
	MT2063_REG_LO2CQ_3,		/*  0x05: LO2C Queued Byte 3    */
	MT2063_REG_RSVD_06,		/*  0x06: Reserved              */
	MT2063_REG_LO_STATUS,		/*  0x07: LO Status             */
	MT2063_REG_FIFFC,		/*  0x08: FIFF Center           */
	MT2063_REG_CLEARTUNE,		/*  0x09: ClearTune Filter      */
	MT2063_REG_ADC_OUT,		/*  0x0A: ADC_OUT               */
	MT2063_REG_LO1C_1,		/*  0x0B: LO1C Byte 1           */
	MT2063_REG_LO1C_2,		/*  0x0C: LO1C Byte 2           */
	MT2063_REG_LO2C_1,		/*  0x0D: LO2C Byte 1           */
	MT2063_REG_LO2C_2,		/*  0x0E: LO2C Byte 2           */
	MT2063_REG_LO2C_3,		/*  0x0F: LO2C Byte 3           */

Annotation

Implementation Notes