#define STK1135_REG_GCTRL 0x000 /* GPIO control */
#define STK1135_REG_ICTRL 0x004 /* Interrupt control */
#define STK1135_REG_IDATA 0x008 /* Interrupt data */
#define STK1135_REG_RMCTL 0x00c /* Remote wakeup control */
#define STK1135_REG_POSVA 0x010 /* Power-on strapping data */
#define STK1135_REG_SENSO 0x018 /* Sensor select options */
#define STK1135_REG_PLLFD 0x01c /* PLL frequency divider */
#define STK1135_REG_SCTRL 0x100 /* Sensor control register */
#define STK1135_REG_DCTRL 0x104 /* Decimation control register */
#define STK1135_REG_CISPO 0x110 /* Capture image starting position */
#define STK1135_REG_CIEPO 0x114 /* Capture image ending position */
#define STK1135_REG_TCTRL 0x120 /* Test data control */
#define STK1135_REG_SICTL 0x200 /* Serial interface control register */
#define STK1135_REG_SBUSW 0x204 /* Serial bus write */
#define STK1135_REG_SBUSR 0x208 /* Serial bus read */
#define STK1135_REG_SCSI 0x20c /* Software control serial interface */
#define STK1135_REG_GSBWP 0x210 /* General serial bus write port */
#define STK1135_REG_GSBRP 0x214 /* General serial bus read port */
#define STK1135_REG_ASIC 0x2fc /* Alternate serial interface control */
#define STK1135_REG_TMGEN 0x300 /* Timing generator */
#define STK1135_REG_TCP1 0x350 /* Timing control parameter 1 */
struct stk1135_pkt_header {
u8 flags;
u8 seq;
__le16 gpio;
} __packed;
#define STK1135_HDR_FRAME_START (1 << 7)
#define STK1135_HDR_ODD (1 << 6)
#define STK1135_HDR_I2C_VBLANK (1 << 5)
#define STK1135_HDR_SEQ_MASK 0x3f