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#define EM_GPIO_0 (1 << 0)
#define EM_GPIO_1 (1 << 1)
#define EM_GPIO_2 (1 << 2)
#define EM_GPIO_3 (1 << 3)
#define EM_GPIO_4 (1 << 4)
#define EM_GPIO_5 (1 << 5)
#define EM_GPIO_6 (1 << 6)
#define EM_GPIO_7 (1 << 7)
#define EM_GPO_0 (1 << 0)
#define EM_GPO_1 (1 << 1)
#define EM_GPO_2 (1 << 2)
#define EM_GPO_3 (1 << 3)
/* em2800 registers */
#define EM2800_R08_AUDIOSRC 0x08
/* em28xx registers */
/* GPIO/GPO registers */
#define EM2880_R04_GPO 0x04 /* em2880-em2883 only */
#define EM28XX_R08_GPIO 0x08 /* em2820 or upper */
#define EM28XX_R06_I2C_CLK 0x06
#define EM28XX_R0A_CHIPID 0x0a
#define EM28XX_R0C_USBSUSP 0x0c /* */
#define EM28XX_R0E_AUDIOSRC 0x0e
#define EM28XX_R0F_XCLK 0x0f
#define EM28XX_R10_VINMODE 0x10
#define EM28XX_R11_VINCTRL 0x11
#define EM28XX_R12_VINENABLE 0x12 /* */
#define EM28XX_R14_GAMMA 0x14
#define EM28XX_R15_RGAIN 0x15
#define EM28XX_R16_GGAIN 0x16
#define EM28XX_R17_BGAIN 0x17
#define EM28XX_R18_ROFFSET 0x18
#define EM28XX_R19_GOFFSET 0x19
#define EM28XX_R1A_BOFFSET 0x1a
#define EM28XX_R1B_OFLOW 0x1b
#define EM28XX_R1C_HSTART 0x1c
#define EM28XX_R1D_VSTART 0x1d
#define EM28XX_R1E_CWIDTH 0x1e
#define EM28XX_R1F_CHEIGHT 0x1f
#define EM28XX_R20_YGAIN 0x20
#define EM28XX_R21_YOFFSET 0x21
#define EM28XX_R22_UVGAIN 0x22
#define EM28XX_R23_UOFFSET 0x23
#define EM28XX_R24_VOFFSET 0x24
#define EM28XX_R25_SHARPNESS 0x25
#define EM28XX_R26_COMPR 0x26
#define EM28XX_R27_OUTFMT 0x27
#define EM28XX_R28_XMIN 0x28
#define EM28XX_R29_XMAX 0x29
#define EM28XX_R2A_YMIN 0x2a
#define EM28XX_R2B_YMAX 0x2b
#define EM28XX_R30_HSCALELOW 0x30
#define EM28XX_R31_HSCALEHIGH 0x31
#define EM28XX_R32_VSCALELOW 0x32
#define EM28XX_R33_VSCALEHIGH 0x33
#define EM28XX_R40_AC97LSB 0x40
#define EM28XX_R41_AC97MSB 0x41
#define EM28XX_R42_AC97ADDR 0x42
#define EM28XX_R43_AC97BUSY 0x43
/* em202 registers */
#define EM28XX_R02_MASTER_AC97 0x02
#define EM28XX_R10_LINE_IN_AC97 0x10
#define EM28XX_R14_VIDEO_AC97 0x14
/* em2874 registers */
#define EM2874_R5F_TS_ENABLE 0x5f
#define EM2874_R80_GPIO 0x80
/* em2874 Transport Stream Enable Register (0x5f) */
#define EM2874_TS1_CAPTURE_ENABLE (1 << 0)
#define EM2874_TS1_FILTER_ENABLE (1 << 1)
#define EM2874_TS1_NULL_DISCARD (1 << 2)
#define EM2874_TS2_CAPTURE_ENABLE (1 << 4)
#define EM2874_TS2_FILTER_ENABLE (1 << 5)
#define EM2874_TS2_NULL_DISCARD (1 << 6)
/* register settings */
#define EM2800_AUDIO_SRC_TUNER 0x0d
#define EM2800_AUDIO_SRC_LINE 0x0c
#define EM28XX_AUDIO_SRC_TUNER 0xc0
#define EM28XX_AUDIO_SRC_LINE 0x80
/* FIXME: Need to be populated with the other chip ID's */
enum em28xx_chip_id {
CHIP_ID_EM2860 = 34,
CHIP_ID_EM2883 = 36,
CHIP_ID_EM2874 = 65,
};
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