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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 */
#define EM28XX_R00_CHIPCFG 0x00
/* em28xx Chip Configuration 0x00 */
#define EM28XX_CHIPCFG_VENDOR_AUDIO 0x80
#define EM28XX_CHIPCFG_I2S_VOLUME_CAPABLE 0x40
#define EM28XX_CHIPCFG_I2S_3_SAMPRATES 0x30
#define EM28XX_CHIPCFG_I2S_5_SAMPRATES 0x20
#define EM28XX_CHIPCFG_AC97 0x10
#define EM28XX_CHIPCFG_AUDIOMASK 0x30
/* 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
/* em28xx I2C Clock Register (0x06) */
#define EM28XX_I2C_CLK_ACK_LAST_READ 0x80
#define EM28XX_I2C_CLK_WAIT_ENABLE 0x40
#define EM28XX_I2C_EEPROM_ON_BOARD 0x08
#define EM28XX_I2C_EEPROM_KEY_VALID 0x04
#define EM2874_I2C_SECONDARY_BUS_SELECT 0x04 /* em2874 has two i2c busses */
#define EM28XX_I2C_FREQ_1_5_MHZ 0x03 /* bus frequency (bits [1-0]) */
#define EM28XX_I2C_FREQ_25_KHZ 0x02
#define EM28XX_I2C_FREQ_400_KHZ 0x01
#define EM28XX_I2C_FREQ_100_KHZ 0x00
#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
#define EM28XX_R45_IR 0x45
/* 0x45 bit 7 - parity bit
bits 6-0 - count
0x46 IR brand
0x47 IR data
*/
/* em2874 registers */
#define EM2874_R50_IR_CONFIG 0x50
#define EM2874_R51_IR 0x51
#define EM2874_R5F_TS_ENABLE 0x5f
#define EM2874_R80_GPIO 0x80
/* em2874 IR config register (0x50) */
#define EM2874_IR_NEC 0x00
#define EM2874_IR_RC5 0x04
#define EM2874_IR_RC5_MODE_0 0x08
#define EM2874_IR_RC5_MODE_6A 0x0b
/* 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_EM2820 = 18,
CHIP_ID_EM2840 = 20,
CHIP_ID_EM2750 = 33,
CHIP_ID_EM2860 = 34,
CHIP_ID_EM2883 = 36,
CHIP_ID_EM2874 = 65,
};
/*
* Registers used by em202 and other AC97 chips
*/
/* Standard AC97 registers */
#define AC97_RESET 0x00
/* Output volumes */
#define AC97_MASTER_VOL 0x02
#define AC97_LINE_LEVEL_VOL 0x04 /* Some devices use for headphones */
#define AC97_MASTER_MONO_VOL 0x06
/* Input volumes */
#define AC97_PC_BEEP_VOL 0x0a
#define AC97_PHONE_VOL 0x0c
#define AC97_MIC_VOL 0x0e
#define AC97_LINEIN_VOL 0x10
#define AC97_CD_VOL 0x12
#define AC97_VIDEO_VOL 0x14
#define AC97_AUX_VOL 0x16
#define AC97_PCM_OUT_VOL 0x18
/* capture registers */
#define AC97_RECORD_SELECT 0x1a
#define AC97_RECORD_GAIN 0x1c
/* control registers */
#define AC97_GENERAL_PURPOSE 0x20
#define AC97_3D_CTRL 0x22
#define AC97_AUD_INT_AND_PAG 0x24
#define AC97_POWER_DOWN_CTRL 0x26
#define AC97_EXT_AUD_ID 0x28
#define AC97_EXT_AUD_CTRL 0x2a
/* Supported rate varies for each AC97 device
if write an unsupported value, it will return the closest one
*/
#define AC97_PCM_OUT_FRONT_SRATE 0x2c
#define AC97_PCM_OUT_SURR_SRATE 0x2e
#define AC97_PCM_OUT_LFE_SRATE 0x30
#define AC97_PCM_IN_SRATE 0x32
/* For devices with more than 2 channels, extra output volumes */
#define AC97_LFE_MASTER_VOL 0x36
#define AC97_SURR_MASTER_VOL 0x38
/* Digital SPDIF output control */
#define AC97_SPDIF_OUT_CTRL 0x3a
/* Vendor ID identifier */
#define AC97_VENDOR_ID1 0x7c
#define AC97_VENDOR_ID2 0x7e
/* EMP202 vendor registers */
#define EM202_EXT_MODEM_CTRL 0x3e
#define EM202_GPIO_CONF 0x4c
#define EM202_GPIO_POLARITY 0x4e
#define EM202_GPIO_STICKY 0x50
#define EM202_GPIO_MASK 0x52
#define EM202_GPIO_STATUS 0x54
#define EM202_SPDIF_OUT_SEL 0x6a
#define EM202_ANTIPOP 0x72
#define EM202_EAPD_GPIO_ACCESS 0x74
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