302 lines
9.5 KiB
C
302 lines
9.5 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* em28xx-reg.h - Register definitions for em28xx driver
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*/
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#define EM_GPIO_0 ((unsigned char)BIT(0))
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#define EM_GPIO_1 ((unsigned char)BIT(1))
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#define EM_GPIO_2 ((unsigned char)BIT(2))
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#define EM_GPIO_3 ((unsigned char)BIT(3))
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#define EM_GPIO_4 ((unsigned char)BIT(4))
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#define EM_GPIO_5 ((unsigned char)BIT(5))
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#define EM_GPIO_6 ((unsigned char)BIT(6))
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#define EM_GPIO_7 ((unsigned char)BIT(7))
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#define EM_GPO_0 ((unsigned char)BIT(0))
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#define EM_GPO_1 ((unsigned char)BIT(1))
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#define EM_GPO_2 ((unsigned char)BIT(2))
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#define EM_GPO_3 ((unsigned char)BIT(3))
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/* em28xx endpoints */
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/* 0x82: (always ?) analog */
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#define EM28XX_EP_AUDIO 0x83
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/* 0x84: digital or analog */
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/* em2800 registers */
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#define EM2800_R08_AUDIOSRC 0x08
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/* em28xx registers */
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#define EM28XX_R00_CHIPCFG 0x00
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/* em28xx Chip Configuration 0x00 */
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#define EM2860_CHIPCFG_VENDOR_AUDIO 0x80
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#define EM2860_CHIPCFG_I2S_VOLUME_CAPABLE 0x40
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#define EM2820_CHIPCFG_I2S_3_SAMPRATES 0x30
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#define EM2860_CHIPCFG_I2S_5_SAMPRATES 0x30
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#define EM2820_CHIPCFG_I2S_1_SAMPRATE 0x20
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#define EM2860_CHIPCFG_I2S_3_SAMPRATES 0x20
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#define EM28XX_CHIPCFG_AC97 0x10
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#define EM28XX_CHIPCFG_AUDIOMASK 0x30
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#define EM28XX_R01_CHIPCFG2 0x01
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/* em28xx Chip Configuration 2 0x01 */
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#define EM28XX_CHIPCFG2_TS_PRESENT 0x10
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#define EM28XX_CHIPCFG2_TS_REQ_INTERVAL_MASK 0x0c /* bits 3-2 */
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#define EM28XX_CHIPCFG2_TS_REQ_INTERVAL_1MF 0x00
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#define EM28XX_CHIPCFG2_TS_REQ_INTERVAL_2MF 0x04
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#define EM28XX_CHIPCFG2_TS_REQ_INTERVAL_4MF 0x08
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#define EM28XX_CHIPCFG2_TS_REQ_INTERVAL_8MF 0x0c
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#define EM28XX_CHIPCFG2_TS_PACKETSIZE_MASK 0x03 /* bits 0-1 */
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#define EM28XX_CHIPCFG2_TS_PACKETSIZE_188 0x00
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#define EM28XX_CHIPCFG2_TS_PACKETSIZE_376 0x01
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#define EM28XX_CHIPCFG2_TS_PACKETSIZE_564 0x02
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#define EM28XX_CHIPCFG2_TS_PACKETSIZE_752 0x03
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/* GPIO/GPO registers */
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#define EM2880_R04_GPO 0x04 /* em2880-em2883 only */
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#define EM2820_R08_GPIO_CTRL 0x08 /* em2820-em2873/83 only */
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#define EM2820_R09_GPIO_STATE 0x09 /* em2820-em2873/83 only */
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#define EM28XX_R06_I2C_CLK 0x06
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/* em28xx I2C Clock Register (0x06) */
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#define EM28XX_I2C_CLK_ACK_LAST_READ 0x80
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#define EM28XX_I2C_CLK_WAIT_ENABLE 0x40
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#define EM28XX_I2C_EEPROM_ON_BOARD 0x08
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#define EM28XX_I2C_EEPROM_KEY_VALID 0x04
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#define EM2874_I2C_SECONDARY_BUS_SELECT 0x04 /* em2874 has two i2c buses */
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#define EM28XX_I2C_FREQ_1_5_MHZ 0x03 /* bus frequency (bits [1-0]) */
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#define EM28XX_I2C_FREQ_25_KHZ 0x02
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#define EM28XX_I2C_FREQ_400_KHZ 0x01
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#define EM28XX_I2C_FREQ_100_KHZ 0x00
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#define EM28XX_R0A_CHIPID 0x0a
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#define EM28XX_R0C_USBSUSP 0x0c
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#define EM28XX_R0C_USBSUSP_SNAPSHOT 0x20 /* 1=button pressed, needs reset */
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#define EM28XX_R0E_AUDIOSRC 0x0e
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#define EM28XX_R0F_XCLK 0x0f
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/* em28xx XCLK Register (0x0f) */
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#define EM28XX_XCLK_AUDIO_UNMUTE 0x80 /* otherwise audio muted */
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#define EM28XX_XCLK_I2S_MSB_TIMING 0x40 /* otherwise standard timing */
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#define EM28XX_XCLK_IR_RC5_MODE 0x20 /* otherwise NEC mode */
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#define EM28XX_XCLK_IR_NEC_CHK_PARITY 0x10
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#define EM28XX_XCLK_FREQUENCY_30MHZ 0x00 /* Freq. select (bits [3-0]) */
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#define EM28XX_XCLK_FREQUENCY_15MHZ 0x01
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#define EM28XX_XCLK_FREQUENCY_10MHZ 0x02
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#define EM28XX_XCLK_FREQUENCY_7_5MHZ 0x03
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#define EM28XX_XCLK_FREQUENCY_6MHZ 0x04
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#define EM28XX_XCLK_FREQUENCY_5MHZ 0x05
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#define EM28XX_XCLK_FREQUENCY_4_3MHZ 0x06
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#define EM28XX_XCLK_FREQUENCY_12MHZ 0x07
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#define EM28XX_XCLK_FREQUENCY_20MHZ 0x08
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#define EM28XX_XCLK_FREQUENCY_20MHZ_2 0x09
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#define EM28XX_XCLK_FREQUENCY_48MHZ 0x0a
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#define EM28XX_XCLK_FREQUENCY_24MHZ 0x0b
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#define EM28XX_R10_VINMODE 0x10
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/* used by all non-camera devices: */
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#define EM28XX_VINMODE_YUV422_CbYCrY 0x10
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/* used by camera devices: */
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#define EM28XX_VINMODE_YUV422_YUYV 0x08
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#define EM28XX_VINMODE_YUV422_YVYU 0x09
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#define EM28XX_VINMODE_YUV422_UYVY 0x0a
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#define EM28XX_VINMODE_YUV422_VYUY 0x0b
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#define EM28XX_VINMODE_RGB8_BGGR 0x0c
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#define EM28XX_VINMODE_RGB8_GRBG 0x0d
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#define EM28XX_VINMODE_RGB8_GBRG 0x0e
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#define EM28XX_VINMODE_RGB8_RGGB 0x0f
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/*
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* apparently:
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* bit 0: swap component 1+2 with 3+4
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* => e.g.: YUYV => YVYU, BGGR => GRBG
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* bit 1: swap component 1 with 2 and 3 with 4
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* => e.g.: YUYV => UYVY, BGGR => GBRG
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*/
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#define EM28XX_R11_VINCTRL 0x11
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/* em28xx Video Input Control Register 0x11 */
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#define EM28XX_VINCTRL_VBI_SLICED 0x80
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#define EM28XX_VINCTRL_VBI_RAW 0x40
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#define EM28XX_VINCTRL_VOUT_MODE_IN 0x20 /* HREF,VREF,VACT in output */
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#define EM28XX_VINCTRL_CCIR656_ENABLE 0x10
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#define EM28XX_VINCTRL_VBI_16BIT_RAW 0x08 /* otherwise 8-bit raw */
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#define EM28XX_VINCTRL_FID_ON_HREF 0x04
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#define EM28XX_VINCTRL_DUAL_EDGE_STROBE 0x02
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#define EM28XX_VINCTRL_INTERLACED 0x01
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#define EM28XX_R12_VINENABLE 0x12 /* */
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#define EM28XX_R14_GAMMA 0x14
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#define EM28XX_R15_RGAIN 0x15
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#define EM28XX_R16_GGAIN 0x16
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#define EM28XX_R17_BGAIN 0x17
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#define EM28XX_R18_ROFFSET 0x18
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#define EM28XX_R19_GOFFSET 0x19
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#define EM28XX_R1A_BOFFSET 0x1a
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#define EM28XX_R1B_OFLOW 0x1b
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#define EM28XX_R1C_HSTART 0x1c
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#define EM28XX_R1D_VSTART 0x1d
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#define EM28XX_R1E_CWIDTH 0x1e
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#define EM28XX_R1F_CHEIGHT 0x1f
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#define EM28XX_R20_YGAIN 0x20 /* contrast [0:4] */
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#define CONTRAST_DEFAULT 0x10
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#define EM28XX_R21_YOFFSET 0x21 /* brightness */ /* signed */
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#define BRIGHTNESS_DEFAULT 0x00
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#define EM28XX_R22_UVGAIN 0x22 /* saturation [0:4] */
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#define SATURATION_DEFAULT 0x10
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#define EM28XX_R23_UOFFSET 0x23 /* blue balance */ /* signed */
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#define BLUE_BALANCE_DEFAULT 0x00
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#define EM28XX_R24_VOFFSET 0x24 /* red balance */ /* signed */
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#define RED_BALANCE_DEFAULT 0x00
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#define EM28XX_R25_SHARPNESS 0x25 /* sharpness [0:4] */
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#define SHARPNESS_DEFAULT 0x00
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#define EM28XX_R26_COMPR 0x26
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#define EM28XX_R27_OUTFMT 0x27
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/* em28xx Output Format Register (0x27) */
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#define EM28XX_OUTFMT_RGB_8_RGRG 0x00
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#define EM28XX_OUTFMT_RGB_8_GRGR 0x01
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#define EM28XX_OUTFMT_RGB_8_GBGB 0x02
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#define EM28XX_OUTFMT_RGB_8_BGBG 0x03
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#define EM28XX_OUTFMT_RGB_16_656 0x04
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#define EM28XX_OUTFMT_RGB_8_BAYER 0x08 /* Pattern in Reg 0x10[1-0] */
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#define EM28XX_OUTFMT_YUV211 0x10
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#define EM28XX_OUTFMT_YUV422_Y0UY1V 0x14
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#define EM28XX_OUTFMT_YUV422_Y1UY0V 0x15
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#define EM28XX_OUTFMT_YUV411 0x18
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#define EM28XX_R28_XMIN 0x28
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#define EM28XX_R29_XMAX 0x29
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#define EM28XX_R2A_YMIN 0x2a
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#define EM28XX_R2B_YMAX 0x2b
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#define EM28XX_R30_HSCALELOW 0x30
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#define EM28XX_R31_HSCALEHIGH 0x31
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#define EM28XX_R32_VSCALELOW 0x32
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#define EM28XX_R33_VSCALEHIGH 0x33
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#define EM28XX_HVSCALE_MAX 0x3fff /* => 20% */
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#define EM28XX_R34_VBI_START_H 0x34
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#define EM28XX_R35_VBI_START_V 0x35
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/*
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* NOTE: the EM276x (and EM25xx, EM277x/8x ?) (camera bridges) use these
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* registers for a different unknown purpose.
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* => register 0x34 is set to capture width / 16
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* => register 0x35 is set to capture height / 16
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*/
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#define EM28XX_R36_VBI_WIDTH 0x36
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#define EM28XX_R37_VBI_HEIGHT 0x37
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#define EM28XX_R40_AC97LSB 0x40
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#define EM28XX_R41_AC97MSB 0x41
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#define EM28XX_R42_AC97ADDR 0x42
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#define EM28XX_R43_AC97BUSY 0x43
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#define EM28XX_R45_IR 0x45
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/*
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* 0x45 bit 7 - parity bit
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* bits 6-0 - count
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* 0x46 IR brand
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* 0x47 IR data
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*/
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/* em2874 registers */
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#define EM2874_R50_IR_CONFIG 0x50
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#define EM2874_R51_IR 0x51
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#define EM2874_R5D_TS1_PKT_SIZE 0x5d
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#define EM2874_R5E_TS2_PKT_SIZE 0x5e
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/*
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* For both TS1 and TS2, In isochronous mode:
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* 0x01 188 bytes
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* 0x02 376 bytes
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* 0x03 564 bytes
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* 0x04 752 bytes
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* 0x05 940 bytes
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* In bulk mode:
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* 0x01..0xff total packet count in 188-byte
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*/
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#define EM2874_R5F_TS_ENABLE 0x5f
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/* em2874/174/84, em25xx, em276x/7x/8x GPIO registers */
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/*
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* NOTE: not all ports are bonded out;
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* Some ports are multiplexed with special function I/O
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*/
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#define EM2874_R80_GPIO_P0_CTRL 0x80
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#define EM2874_R81_GPIO_P1_CTRL 0x81
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#define EM2874_R82_GPIO_P2_CTRL 0x82
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#define EM2874_R83_GPIO_P3_CTRL 0x83
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#define EM2874_R84_GPIO_P0_STATE 0x84
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#define EM2874_R85_GPIO_P1_STATE 0x85
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#define EM2874_R86_GPIO_P2_STATE 0x86
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#define EM2874_R87_GPIO_P3_STATE 0x87
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/* em2874 IR config register (0x50) */
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#define EM2874_IR_NEC 0x00
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#define EM2874_IR_NEC_NO_PARITY 0x01
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#define EM2874_IR_RC5 0x04
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#define EM2874_IR_RC6_MODE_0 0x08
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#define EM2874_IR_RC6_MODE_6A 0x0b
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/* em2874 Transport Stream Enable Register (0x5f) */
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#define EM2874_TS1_CAPTURE_ENABLE ((unsigned char)BIT(0))
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#define EM2874_TS1_FILTER_ENABLE ((unsigned char)BIT(1))
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#define EM2874_TS1_NULL_DISCARD ((unsigned char)BIT(2))
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#define EM2874_TS2_CAPTURE_ENABLE ((unsigned char)BIT(4))
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#define EM2874_TS2_FILTER_ENABLE ((unsigned char)BIT(5))
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#define EM2874_TS2_NULL_DISCARD ((unsigned char)BIT(6))
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/* register settings */
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#define EM2800_AUDIO_SRC_TUNER 0x0d
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#define EM2800_AUDIO_SRC_LINE 0x0c
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#define EM28XX_AUDIO_SRC_TUNER 0xc0
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#define EM28XX_AUDIO_SRC_LINE 0x80
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/* FIXME: Need to be populated with the other chip ID's */
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enum em28xx_chip_id {
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CHIP_ID_EM2800 = 7,
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CHIP_ID_EM2710 = 17,
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CHIP_ID_EM2820 = 18, /* Also used by some em2710 */
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CHIP_ID_EM2840 = 20,
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CHIP_ID_EM2750 = 33,
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CHIP_ID_EM2860 = 34,
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CHIP_ID_EM2870 = 35,
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CHIP_ID_EM2883 = 36,
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CHIP_ID_EM2765 = 54,
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CHIP_ID_EM2874 = 65,
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CHIP_ID_EM2884 = 68,
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CHIP_ID_EM28174 = 113,
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CHIP_ID_EM28178 = 114,
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};
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/*
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* Registers used by em202
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*/
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/* EMP202 vendor registers */
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#define EM202_EXT_MODEM_CTRL 0x3e
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#define EM202_GPIO_CONF 0x4c
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#define EM202_GPIO_POLARITY 0x4e
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#define EM202_GPIO_STICKY 0x50
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#define EM202_GPIO_MASK 0x52
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#define EM202_GPIO_STATUS 0x54
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#define EM202_SPDIF_OUT_SEL 0x6a
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#define EM202_ANTIPOP 0x72
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#define EM202_EAPD_GPIO_ACCESS 0x74
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