| /* |
| * saa7191.h - Philips SAA7191 video decoder driver |
| * |
| * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org> |
| * Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef _SAA7191_H_ |
| #define _SAA7191_H_ |
| |
| /* Philips SAA7191 DMSD I2C bus address */ |
| #define SAA7191_ADDR 0x8a |
| |
| /* Register subaddresses. */ |
| #define SAA7191_REG_IDEL 0x00 |
| #define SAA7191_REG_HSYB 0x01 |
| #define SAA7191_REG_HSYS 0x02 |
| #define SAA7191_REG_HCLB 0x03 |
| #define SAA7191_REG_HCLS 0x04 |
| #define SAA7191_REG_HPHI 0x05 |
| #define SAA7191_REG_LUMA 0x06 |
| #define SAA7191_REG_HUEC 0x07 |
| #define SAA7191_REG_CKTQ 0x08 /* bits 3-7 */ |
| #define SAA7191_REG_CKTS 0x09 /* bits 3-7 */ |
| #define SAA7191_REG_PLSE 0x0a |
| #define SAA7191_REG_SESE 0x0b |
| #define SAA7191_REG_GAIN 0x0c |
| #define SAA7191_REG_STDC 0x0d |
| #define SAA7191_REG_IOCK 0x0e |
| #define SAA7191_REG_CTL3 0x0f |
| #define SAA7191_REG_CTL4 0x10 |
| #define SAA7191_REG_CHCV 0x11 |
| #define SAA7191_REG_HS6B 0x14 |
| #define SAA7191_REG_HS6S 0x15 |
| #define SAA7191_REG_HC6B 0x16 |
| #define SAA7191_REG_HC6S 0x17 |
| #define SAA7191_REG_HP6I 0x18 |
| #define SAA7191_REG_STATUS 0xff /* not really a subaddress */ |
| |
| /* Status Register definitions */ |
| #define SAA7191_STATUS_CODE 0x01 /* color detected flag */ |
| #define SAA7191_STATUS_FIDT 0x20 /* signal type 50/60 Hz */ |
| #define SAA7191_STATUS_HLCK 0x40 /* PLL unlocked(1)/locked(0) */ |
| #define SAA7191_STATUS_STTC 0x80 /* tv/vtr time constant */ |
| |
| /* Luminance Control Register definitions */ |
| /* input mode select bit: |
| * 0=CVBS (chrominance trap active), 1=S-Video (trap bypassed) */ |
| #define SAA7191_LUMA_BYPS 0x80 |
| /* pre-filter (only when chrominance trap is active) */ |
| #define SAA7191_LUMA_PREF 0x40 |
| /* aperture bandpass to select different characteristics with maximums |
| * (bits 4-5) */ |
| #define SAA7191_LUMA_BPSS_MASK 0x30 |
| #define SAA7191_LUMA_BPSS_SHIFT 4 |
| #define SAA7191_LUMA_BPSS_3 0x30 |
| #define SAA7191_LUMA_BPSS_2 0x20 |
| #define SAA7191_LUMA_BPSS_1 0x10 |
| #define SAA7191_LUMA_BPSS_0 0x00 |
| /* coring range for high frequency components according to 8-bit luminance |
| * (bits 2-3) |
| * 0=coring off, n= (+-)n LSB */ |
| #define SAA7191_LUMA_CORI_MASK 0x0c |
| #define SAA7191_LUMA_CORI_SHIFT 2 |
| #define SAA7191_LUMA_CORI_3 0x0c |
| #define SAA7191_LUMA_CORI_2 0x08 |
| #define SAA7191_LUMA_CORI_1 0x04 |
| #define SAA7191_LUMA_CORI_0 0x00 |
| /* aperture bandpass filter weights high frequency components of luminance |
| * signal (bits 0-1) |
| * 0=factor 0, 1=0.25, 2=0.5, 3=1 */ |
| #define SAA7191_LUMA_APER_MASK 0x03 |
| #define SAA7191_LUMA_APER_SHIFT 0 |
| #define SAA7191_LUMA_APER_3 0x03 |
| #define SAA7191_LUMA_APER_2 0x02 |
| #define SAA7191_LUMA_APER_1 0x01 |
| #define SAA7191_LUMA_APER_0 0x00 |
| |
| /* Chrominance Gain Control Settings Register definitions */ |
| /* colour on: 0=automatic colour-killer enabled, 1=forced colour on */ |
| #define SAA7191_GAIN_COLO 0x80 |
| /* chrominance gain control (AGC filter) |
| * 0=loop filter time constant slow, 1=medium, 2=fast, 3=actual gain */ |
| #define SAA7191_GAIN_LFIS_MASK 0x60 |
| #define SAA7191_GAIN_LFIS_SHIFT 5 |
| #define SAA7191_GAIN_LFIS_3 0x60 |
| #define SAA7191_GAIN_LFIS_2 0x40 |
| #define SAA7191_GAIN_LFIS_1 0x20 |
| #define SAA7191_GAIN_LFIS_0 0x00 |
| |
| /* Standard/Mode Control Register definitions */ |
| /* tv/vtr mode bit: 0=TV mode (slow time constant), |
| * 1=VTR mode (fast time constant) */ |
| #define SAA7191_STDC_VTRC 0x80 |
| /* SAA7191B-specific functions enable (RTCO, ODD and GPSW0 outputs) |
| * 0=outputs set to high-impedance (circuit equals SAA7191), 1=enabled */ |
| #define SAA7191_STDC_NFEN 0x08 |
| /* HREF generation: 0=like SAA7191, 1=HREF is 8xLLC2 clocks earlier */ |
| #define SAA7191_STDC_HRMV 0x04 |
| /* general purpose switch 0 |
| * (not used with VINO afaik) */ |
| #define SAA7191_STDC_GPSW0 0x02 |
| /* SECAM mode bit: 0=other standards, 1=SECAM */ |
| #define SAA7191_STDC_SECS 0x01 |
| |
| /* I/O and Clock Control Register definitions */ |
| /* horizontal clock PLL: 0=PLL closed, |
| * 1=PLL circuit open and horizontal freq fixed */ |
| #define SAA7191_IOCK_HPLL 0x80 |
| /* colour-difference output enable (outputs UV0-UV7) */ |
| #define SAA7191_IOCK_OEDC 0x40 |
| /* H-sync output enable */ |
| #define SAA7191_IOCK_OEHS 0x20 |
| /* V-sync output enable */ |
| #define SAA7191_IOCK_OEVS 0x10 |
| /* luminance output enable (outputs Y0-Y7) */ |
| #define SAA7191_IOCK_OEDY 0x08 |
| /* S-VHS bit (chrominance from CVBS or from chrominance input): |
| * 0=controlled by BYPS-bit, 1=from chrominance input */ |
| #define SAA7191_IOCK_CHRS 0x04 |
| /* general purpose switch 2 |
| * VINO-specific: 0=used with CVBS, 1=used with S-Video */ |
| #define SAA7191_IOCK_GPSW2 0x02 |
| /* general purpose switch 1 */ |
| /* VINO-specific: 0=always, 1=not used!*/ |
| #define SAA7191_IOCK_GPSW1 0x01 |
| |
| /* Miscellaneous Control #1 Register definitions */ |
| /* automatic field detection (50/60Hz standard) */ |
| #define SAA7191_CTL3_AUFD 0x80 |
| /* field select: (if AUFD=0) |
| * 0=50Hz (625 lines), 1=60Hz (525 lines) */ |
| #define SAA7191_CTL3_FSEL 0x40 |
| /* SECAM cross-colour reduction enable */ |
| #define SAA7191_CTL3_SXCR 0x20 |
| /* sync and clamping pulse enable (HCL and HSY outputs) */ |
| #define SAA7191_CTL3_SCEN 0x10 |
| /* output format: 0=4:1:1, 1=4:2:2 (4:2:2 for VINO) */ |
| #define SAA7191_CTL3_OFTS 0x08 |
| /* luminance delay compensation |
| * 0=0*2/LLC, 1=+1*2/LLC, 2=+2*2/LLC, 3=+3*2/LLC, |
| * 4=-4*2/LLC, 5=-3*2/LLC, 6=-2*2/LLC, 7=-1*2/LLC |
| * step size = 2/LLC = 67.8ns for 50Hz, 81.5ns for 60Hz */ |
| #define SAA7191_CTL3_YDEL_MASK 0x07 |
| #define SAA7191_CTL3_YDEL_SHIFT 0 |
| #define SAA7191_CTL3_YDEL2 0x04 |
| #define SAA7191_CTL3_YDEL1 0x02 |
| #define SAA7191_CTL3_YDEL0 0x01 |
| |
| /* Miscellaneous Control #2 Register definitions */ |
| /* select HREF position |
| * 0=normal, HREF is matched to YUV output port, |
| * 1=HREF is matched to CVBS input port */ |
| #define SAA7191_CTL4_HRFS 0x04 |
| /* vertical noise reduction |
| * 0=normal, 1=searching window, 2=auto-deflection, 3=reduction bypassed */ |
| #define SAA7191_CTL4_VNOI_MASK 0x03 |
| #define SAA7191_CTL4_VNOI_SHIFT 0 |
| #define SAA7191_CTL4_VNOI_3 0x03 |
| #define SAA7191_CTL4_VNOI_2 0x02 |
| #define SAA7191_CTL4_VNOI_1 0x01 |
| #define SAA7191_CTL4_VNOI_0 0x00 |
| |
| /* Chrominance Gain Control Register definitions |
| * - for QAM-modulated input signals, effects output amplitude |
| * (SECAM gain fixed) |
| * (nominal values for UV CCIR level) */ |
| #define SAA7191_CHCV_NTSC 0x2c |
| #define SAA7191_CHCV_PAL 0x59 |
| |
| /* Driver interface definitions */ |
| #define SAA7191_INPUT_COMPOSITE 0 |
| #define SAA7191_INPUT_SVIDEO 1 |
| |
| #define SAA7191_NORM_AUTO 0 |
| #define SAA7191_NORM_PAL 1 |
| #define SAA7191_NORM_NTSC 2 |
| #define SAA7191_NORM_SECAM 3 |
| #define SAA7191_NORM_AUTO_EXT 4 /* extended auto-detection */ |
| |
| struct saa7191_status { |
| /* 0=no signal, 1=signal detected */ |
| int signal; |
| /* 0=50hz (pal) signal, 1=60hz (ntsc) signal */ |
| int signal_60hz; |
| /* 0=no color detected, 1=color detected */ |
| int color; |
| |
| /* current SAA7191_INPUT_ */ |
| int input; |
| /* current SAA7191_NORM_ */ |
| int norm; |
| }; |
| |
| #define SAA7191_BANDPASS_MIN 0x00 |
| #define SAA7191_BANDPASS_MAX 0x03 |
| #define SAA7191_BANDPASS_DEFAULT 0x00 |
| |
| #define SAA7191_BANDPASS_WEIGHT_MIN 0x00 |
| #define SAA7191_BANDPASS_WEIGHT_MAX 0x03 |
| #define SAA7191_BANDPASS_WEIGHT_DEFAULT 0x01 |
| |
| #define SAA7191_CORING_MIN 0x00 |
| #define SAA7191_CORING_MAX 0x03 |
| #define SAA7191_CORING_DEFAULT 0x00 |
| |
| #define SAA7191_HUE_MIN 0x00 |
| #define SAA7191_HUE_MAX 0xff |
| #define SAA7191_HUE_DEFAULT 0x80 |
| |
| #define SAA7191_VTRC_MIN 0x00 |
| #define SAA7191_VTRC_MAX 0x01 |
| #define SAA7191_VTRC_DEFAULT 0x00 |
| |
| #define SAA7191_FORCE_COLOUR_MIN 0x00 |
| #define SAA7191_FORCE_COLOUR_MAX 0x01 |
| #define SAA7191_FORCE_COLOUR_DEFAULT 0x00 |
| |
| #define SAA7191_CHROMA_GAIN_MIN 0x00 |
| #define SAA7191_CHROMA_GAIN_MAX 0x03 |
| #define SAA7191_CHROMA_GAIN_DEFAULT 0x00 |
| |
| #define SAA7191_LUMA_DELAY_MIN -0x04 |
| #define SAA7191_LUMA_DELAY_MAX 0x03 |
| #define SAA7191_LUMA_DELAY_DEFAULT 0x01 |
| |
| #define SAA7191_VNR_MIN 0x00 |
| #define SAA7191_VNR_MAX 0x03 |
| #define SAA7191_VNR_DEFAULT 0x00 |
| |
| #define SAA7191_CONTROL_BANDPASS 0 |
| #define SAA7191_CONTROL_BANDPASS_WEIGHT 1 |
| #define SAA7191_CONTROL_CORING 2 |
| #define SAA7191_CONTROL_FORCE_COLOUR 3 /* boolean */ |
| #define SAA7191_CONTROL_CHROMA_GAIN 4 |
| #define SAA7191_CONTROL_HUE 5 |
| #define SAA7191_CONTROL_VTRC 6 /* boolean */ |
| #define SAA7191_CONTROL_LUMA_DELAY 7 |
| #define SAA7191_CONTROL_VNR 8 |
| |
| struct saa7191_control { |
| u8 type; |
| s32 value; |
| }; |
| |
| #define DECODER_SAA7191_GET_STATUS _IOR('d', 195, struct saa7191_status) |
| #define DECODER_SAA7191_SET_NORM _IOW('d', 196, int) |
| #define DECODER_SAA7191_GET_CONTROL _IOR('d', 197, struct saa7191_control) |
| #define DECODER_SAA7191_SET_CONTROL _IOW('d', 198, struct saa7191_control) |
| |
| #endif |