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1960 lines
55 KiB
1960 lines
55 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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// saa711x - Philips SAA711x video decoder driver |
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// This driver can work with saa7111, saa7111a, saa7113, saa7114, |
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// saa7115 and saa7118. |
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// |
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// Based on saa7114 driver by Maxim Yevtyushkin, which is based on |
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// the saa7111 driver by Dave Perks. |
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// |
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// Copyright (C) 1998 Dave Perks <[email protected]> |
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// Copyright (C) 2002 Maxim Yevtyushkin <[email protected]> |
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// |
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// Slight changes for video timing and attachment output by |
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// Wolfgang Scherr <[email protected]> |
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// |
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// Moved over to the linux >= 2.4.x i2c protocol (1/1/2003) |
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// by Ronald Bultje <[email protected]> |
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// |
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// Added saa7115 support by Kevin Thayer <nufan_wfk at yahoo.com> |
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// (2/17/2003) |
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// |
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// VBI support (2004) and cleanups (2005) by Hans Verkuil <[email protected]> |
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// |
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// Copyright (c) 2005-2006 Mauro Carvalho Chehab <[email protected]> |
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// SAA7111, SAA7113 and SAA7118 support |
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#include "saa711x_regs.h" |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/slab.h> |
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#include <linux/i2c.h> |
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#include <linux/videodev2.h> |
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#include <media/v4l2-device.h> |
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#include <media/v4l2-ctrls.h> |
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#include <media/v4l2-mc.h> |
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#include <media/i2c/saa7115.h> |
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#include <asm/div64.h> |
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#define VRES_60HZ (480+16) |
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MODULE_DESCRIPTION("Philips SAA7111/SAA7113/SAA7114/SAA7115/SAA7118 video decoder driver"); |
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MODULE_AUTHOR( "Maxim Yevtyushkin, Kevin Thayer, Chris Kennedy, " |
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"Hans Verkuil, Mauro Carvalho Chehab"); |
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MODULE_LICENSE("GPL"); |
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static bool debug; |
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module_param(debug, bool, 0644); |
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MODULE_PARM_DESC(debug, "Debug level (0-1)"); |
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enum saa711x_model { |
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SAA7111A, |
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SAA7111, |
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SAA7113, |
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GM7113C, |
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SAA7114, |
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SAA7115, |
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SAA7118, |
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}; |
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enum saa711x_pads { |
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SAA711X_PAD_IF_INPUT, |
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SAA711X_PAD_VID_OUT, |
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SAA711X_NUM_PADS |
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}; |
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struct saa711x_state { |
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struct v4l2_subdev sd; |
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#ifdef CONFIG_MEDIA_CONTROLLER |
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struct media_pad pads[SAA711X_NUM_PADS]; |
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#endif |
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struct v4l2_ctrl_handler hdl; |
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struct { |
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/* chroma gain control cluster */ |
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struct v4l2_ctrl *agc; |
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struct v4l2_ctrl *gain; |
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}; |
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v4l2_std_id std; |
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int input; |
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int output; |
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int enable; |
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int radio; |
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int width; |
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int height; |
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enum saa711x_model ident; |
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u32 audclk_freq; |
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u32 crystal_freq; |
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bool ucgc; |
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u8 cgcdiv; |
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bool apll; |
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bool double_asclk; |
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}; |
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static inline struct saa711x_state *to_state(struct v4l2_subdev *sd) |
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{ |
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return container_of(sd, struct saa711x_state, sd); |
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} |
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static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) |
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{ |
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return &container_of(ctrl->handler, struct saa711x_state, hdl)->sd; |
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} |
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/* ----------------------------------------------------------------------- */ |
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static inline int saa711x_write(struct v4l2_subdev *sd, u8 reg, u8 value) |
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{ |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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return i2c_smbus_write_byte_data(client, reg, value); |
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} |
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/* Sanity routine to check if a register is present */ |
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static int saa711x_has_reg(const int id, const u8 reg) |
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{ |
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if (id == SAA7111) |
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return reg < 0x20 && reg != 0x01 && reg != 0x0f && |
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(reg < 0x13 || reg > 0x19) && reg != 0x1d && reg != 0x1e; |
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if (id == SAA7111A) |
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return reg < 0x20 && reg != 0x01 && reg != 0x0f && |
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reg != 0x14 && reg != 0x18 && reg != 0x19 && |
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reg != 0x1d && reg != 0x1e; |
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/* common for saa7113/4/5/8 */ |
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if (unlikely((reg >= 0x3b && reg <= 0x3f) || reg == 0x5c || reg == 0x5f || |
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reg == 0xa3 || reg == 0xa7 || reg == 0xab || reg == 0xaf || (reg >= 0xb5 && reg <= 0xb7) || |
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reg == 0xd3 || reg == 0xd7 || reg == 0xdb || reg == 0xdf || (reg >= 0xe5 && reg <= 0xe7) || |
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reg == 0x82 || (reg >= 0x89 && reg <= 0x8e))) |
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return 0; |
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switch (id) { |
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case GM7113C: |
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return reg != 0x14 && (reg < 0x18 || reg > 0x1e) && reg < 0x20; |
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case SAA7113: |
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return reg != 0x14 && (reg < 0x18 || reg > 0x1e) && (reg < 0x20 || reg > 0x3f) && |
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reg != 0x5d && reg < 0x63; |
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case SAA7114: |
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return (reg < 0x1a || reg > 0x1e) && (reg < 0x20 || reg > 0x2f) && |
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(reg < 0x63 || reg > 0x7f) && reg != 0x33 && reg != 0x37 && |
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reg != 0x81 && reg < 0xf0; |
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case SAA7115: |
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return (reg < 0x20 || reg > 0x2f) && reg != 0x65 && (reg < 0xfc || reg > 0xfe); |
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case SAA7118: |
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return (reg < 0x1a || reg > 0x1d) && (reg < 0x20 || reg > 0x22) && |
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(reg < 0x26 || reg > 0x28) && reg != 0x33 && reg != 0x37 && |
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(reg < 0x63 || reg > 0x7f) && reg != 0x81 && reg < 0xf0; |
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} |
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return 1; |
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} |
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static int saa711x_writeregs(struct v4l2_subdev *sd, const unsigned char *regs) |
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{ |
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struct saa711x_state *state = to_state(sd); |
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unsigned char reg, data; |
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while (*regs != 0x00) { |
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reg = *(regs++); |
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data = *(regs++); |
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/* According with datasheets, reserved regs should be |
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filled with 0 - seems better not to touch on they */ |
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if (saa711x_has_reg(state->ident, reg)) { |
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if (saa711x_write(sd, reg, data) < 0) |
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return -1; |
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} else { |
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v4l2_dbg(1, debug, sd, "tried to access reserved reg 0x%02x\n", reg); |
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} |
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} |
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return 0; |
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} |
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static inline int saa711x_read(struct v4l2_subdev *sd, u8 reg) |
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{ |
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struct i2c_client *client = v4l2_get_subdevdata(sd); |
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return i2c_smbus_read_byte_data(client, reg); |
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} |
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/* ----------------------------------------------------------------------- */ |
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/* SAA7111 initialization table */ |
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static const unsigned char saa7111_init[] = { |
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R_01_INC_DELAY, 0x00, /* reserved */ |
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/*front end */ |
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R_02_INPUT_CNTL_1, 0xd0, /* FUSE=3, GUDL=2, MODE=0 */ |
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R_03_INPUT_CNTL_2, 0x23, /* HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0, |
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* GAFIX=0, GAI1=256, GAI2=256 */ |
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R_04_INPUT_CNTL_3, 0x00, /* GAI1=256 */ |
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R_05_INPUT_CNTL_4, 0x00, /* GAI2=256 */ |
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/* decoder */ |
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R_06_H_SYNC_START, 0xf3, /* HSB at 13(50Hz) / 17(60Hz) |
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* pixels after end of last line */ |
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R_07_H_SYNC_STOP, 0xe8, /* HSS seems to be needed to |
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* work with NTSC, too */ |
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R_08_SYNC_CNTL, 0xc8, /* AUFD=1, FSEL=1, EXFIL=0, |
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* VTRC=1, HPLL=0, VNOI=0 */ |
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R_09_LUMA_CNTL, 0x01, /* BYPS=0, PREF=0, BPSS=0, |
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* VBLB=0, UPTCV=0, APER=1 */ |
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R_0A_LUMA_BRIGHT_CNTL, 0x80, |
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R_0B_LUMA_CONTRAST_CNTL, 0x47, /* 0b - CONT=1.109 */ |
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R_0C_CHROMA_SAT_CNTL, 0x40, |
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R_0D_CHROMA_HUE_CNTL, 0x00, |
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R_0E_CHROMA_CNTL_1, 0x01, /* 0e - CDTO=0, CSTD=0, DCCF=0, |
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* FCTC=0, CHBW=1 */ |
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R_0F_CHROMA_GAIN_CNTL, 0x00, /* reserved */ |
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R_10_CHROMA_CNTL_2, 0x48, /* 10 - OFTS=1, HDEL=0, VRLN=1, YDEL=0 */ |
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R_11_MODE_DELAY_CNTL, 0x1c, /* 11 - GPSW=0, CM99=0, FECO=0, COMPO=1, |
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* OEYC=1, OEHV=1, VIPB=0, COLO=0 */ |
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R_12_RT_SIGNAL_CNTL, 0x00, /* 12 - output control 2 */ |
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R_13_RT_X_PORT_OUT_CNTL, 0x00, /* 13 - output control 3 */ |
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R_14_ANAL_ADC_COMPAT_CNTL, 0x00, |
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R_15_VGATE_START_FID_CHG, 0x00, |
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R_16_VGATE_STOP, 0x00, |
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R_17_MISC_VGATE_CONF_AND_MSB, 0x00, |
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0x00, 0x00 |
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}; |
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/* |
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* This table has one illegal value, and some values that are not |
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* correct according to the datasheet initialization table. |
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* |
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* If you need a table with legal/default values tell the driver in |
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* i2c_board_info.platform_data, and you will get the gm7113c_init |
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* table instead. |
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*/ |
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/* SAA7113 Init codes */ |
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static const unsigned char saa7113_init[] = { |
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R_01_INC_DELAY, 0x08, |
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R_02_INPUT_CNTL_1, 0xc2, |
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R_03_INPUT_CNTL_2, 0x30, |
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R_04_INPUT_CNTL_3, 0x00, |
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R_05_INPUT_CNTL_4, 0x00, |
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R_06_H_SYNC_START, 0x89, /* Illegal value -119, |
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* min. value = -108 (0x94) */ |
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R_07_H_SYNC_STOP, 0x0d, |
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R_08_SYNC_CNTL, 0x88, /* Not datasheet default. |
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* HTC = VTR mode, should be 0x98 */ |
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R_09_LUMA_CNTL, 0x01, |
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R_0A_LUMA_BRIGHT_CNTL, 0x80, |
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R_0B_LUMA_CONTRAST_CNTL, 0x47, |
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R_0C_CHROMA_SAT_CNTL, 0x40, |
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R_0D_CHROMA_HUE_CNTL, 0x00, |
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R_0E_CHROMA_CNTL_1, 0x01, |
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R_0F_CHROMA_GAIN_CNTL, 0x2a, |
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R_10_CHROMA_CNTL_2, 0x08, /* Not datsheet default. |
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* VRLN enabled, should be 0x00 */ |
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R_11_MODE_DELAY_CNTL, 0x0c, |
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R_12_RT_SIGNAL_CNTL, 0x07, /* Not datasheet default, |
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* should be 0x01 */ |
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R_13_RT_X_PORT_OUT_CNTL, 0x00, |
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R_14_ANAL_ADC_COMPAT_CNTL, 0x00, |
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R_15_VGATE_START_FID_CHG, 0x00, |
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R_16_VGATE_STOP, 0x00, |
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R_17_MISC_VGATE_CONF_AND_MSB, 0x00, |
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0x00, 0x00 |
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}; |
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/* |
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* GM7113C is a clone of the SAA7113 chip |
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* This init table is copied out of the saa7113 datasheet. |
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* In R_08 we enable "Automatic Field Detection" [AUFD], |
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* this is disabled when saa711x_set_v4lstd is called. |
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*/ |
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static const unsigned char gm7113c_init[] = { |
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R_01_INC_DELAY, 0x08, |
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R_02_INPUT_CNTL_1, 0xc0, |
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R_03_INPUT_CNTL_2, 0x33, |
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R_04_INPUT_CNTL_3, 0x00, |
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R_05_INPUT_CNTL_4, 0x00, |
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R_06_H_SYNC_START, 0xe9, |
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R_07_H_SYNC_STOP, 0x0d, |
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R_08_SYNC_CNTL, 0x98, |
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R_09_LUMA_CNTL, 0x01, |
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R_0A_LUMA_BRIGHT_CNTL, 0x80, |
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R_0B_LUMA_CONTRAST_CNTL, 0x47, |
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R_0C_CHROMA_SAT_CNTL, 0x40, |
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R_0D_CHROMA_HUE_CNTL, 0x00, |
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R_0E_CHROMA_CNTL_1, 0x01, |
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R_0F_CHROMA_GAIN_CNTL, 0x2a, |
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R_10_CHROMA_CNTL_2, 0x00, |
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R_11_MODE_DELAY_CNTL, 0x0c, |
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R_12_RT_SIGNAL_CNTL, 0x01, |
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R_13_RT_X_PORT_OUT_CNTL, 0x00, |
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R_14_ANAL_ADC_COMPAT_CNTL, 0x00, |
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R_15_VGATE_START_FID_CHG, 0x00, |
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R_16_VGATE_STOP, 0x00, |
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R_17_MISC_VGATE_CONF_AND_MSB, 0x00, |
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0x00, 0x00 |
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}; |
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/* If a value differs from the Hauppauge driver values, then the comment starts with |
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'was 0xXX' to denote the Hauppauge value. Otherwise the value is identical to what the |
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Hauppauge driver sets. */ |
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/* SAA7114 and SAA7115 initialization table */ |
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static const unsigned char saa7115_init_auto_input[] = { |
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/* Front-End Part */ |
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R_01_INC_DELAY, 0x48, /* white peak control disabled */ |
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R_03_INPUT_CNTL_2, 0x20, /* was 0x30. 0x20: long vertical blanking */ |
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R_04_INPUT_CNTL_3, 0x90, /* analog gain set to 0 */ |
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R_05_INPUT_CNTL_4, 0x90, /* analog gain set to 0 */ |
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/* Decoder Part */ |
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R_06_H_SYNC_START, 0xeb, /* horiz sync begin = -21 */ |
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R_07_H_SYNC_STOP, 0xe0, /* horiz sync stop = -17 */ |
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R_09_LUMA_CNTL, 0x53, /* 0x53, was 0x56 for 60hz. luminance control */ |
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R_0A_LUMA_BRIGHT_CNTL, 0x80, /* was 0x88. decoder brightness, 0x80 is itu standard */ |
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R_0B_LUMA_CONTRAST_CNTL, 0x44, /* was 0x48. decoder contrast, 0x44 is itu standard */ |
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R_0C_CHROMA_SAT_CNTL, 0x40, /* was 0x47. decoder saturation, 0x40 is itu standard */ |
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R_0D_CHROMA_HUE_CNTL, 0x00, |
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R_0F_CHROMA_GAIN_CNTL, 0x00, /* use automatic gain */ |
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R_10_CHROMA_CNTL_2, 0x06, /* chroma: active adaptive combfilter */ |
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R_11_MODE_DELAY_CNTL, 0x00, |
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R_12_RT_SIGNAL_CNTL, 0x9d, /* RTS0 output control: VGATE */ |
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R_13_RT_X_PORT_OUT_CNTL, 0x80, /* ITU656 standard mode, RTCO output enable RTCE */ |
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R_14_ANAL_ADC_COMPAT_CNTL, 0x00, |
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R_18_RAW_DATA_GAIN_CNTL, 0x40, /* gain 0x00 = nominal */ |
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R_19_RAW_DATA_OFF_CNTL, 0x80, |
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R_1A_COLOR_KILL_LVL_CNTL, 0x77, /* recommended value */ |
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R_1B_MISC_TVVCRDET, 0x42, /* recommended value */ |
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R_1C_ENHAN_COMB_CTRL1, 0xa9, /* recommended value */ |
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R_1D_ENHAN_COMB_CTRL2, 0x01, /* recommended value */ |
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R_80_GLOBAL_CNTL_1, 0x0, /* No tasks enabled at init */ |
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/* Power Device Control */ |
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R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset device */ |
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R_88_POWER_SAVE_ADC_PORT_CNTL, 0xf0, /* set device programmed, all in operational mode */ |
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0x00, 0x00 |
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}; |
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/* Used to reset saa7113, saa7114 and saa7115 */ |
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static const unsigned char saa7115_cfg_reset_scaler[] = { |
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R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x00, /* disable I-port output */ |
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R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */ |
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R_88_POWER_SAVE_ADC_PORT_CNTL, 0xf0, /* activate scaler */ |
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R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x01, /* enable I-port output */ |
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0x00, 0x00 |
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}; |
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/* ============== SAA7715 VIDEO templates ============= */ |
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static const unsigned char saa7115_cfg_60hz_video[] = { |
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R_80_GLOBAL_CNTL_1, 0x00, /* reset tasks */ |
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R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */ |
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R_15_VGATE_START_FID_CHG, 0x03, |
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R_16_VGATE_STOP, 0x11, |
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R_17_MISC_VGATE_CONF_AND_MSB, 0x9c, |
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R_08_SYNC_CNTL, 0x68, /* 0xBO: auto detection, 0x68 = NTSC */ |
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R_0E_CHROMA_CNTL_1, 0x07, /* video autodetection is on */ |
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R_5A_V_OFF_FOR_SLICER, 0x06, /* standard 60hz value for ITU656 line counting */ |
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/* Task A */ |
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R_90_A_TASK_HANDLING_CNTL, 0x80, |
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R_91_A_X_PORT_FORMATS_AND_CONF, 0x48, |
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R_92_A_X_PORT_INPUT_REFERENCE_SIGNAL, 0x40, |
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R_93_A_I_PORT_OUTPUT_FORMATS_AND_CONF, 0x84, |
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/* hoffset low (input), 0x0002 is minimum */ |
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R_94_A_HORIZ_INPUT_WINDOW_START, 0x01, |
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R_95_A_HORIZ_INPUT_WINDOW_START_MSB, 0x00, |
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/* hsize low (input), 0x02d0 = 720 */ |
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R_96_A_HORIZ_INPUT_WINDOW_LENGTH, 0xd0, |
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R_97_A_HORIZ_INPUT_WINDOW_LENGTH_MSB, 0x02, |
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R_98_A_VERT_INPUT_WINDOW_START, 0x05, |
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R_99_A_VERT_INPUT_WINDOW_START_MSB, 0x00, |
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R_9A_A_VERT_INPUT_WINDOW_LENGTH, 0x0c, |
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R_9B_A_VERT_INPUT_WINDOW_LENGTH_MSB, 0x00, |
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R_9C_A_HORIZ_OUTPUT_WINDOW_LENGTH, 0xa0, |
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R_9D_A_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x05, |
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R_9E_A_VERT_OUTPUT_WINDOW_LENGTH, 0x0c, |
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R_9F_A_VERT_OUTPUT_WINDOW_LENGTH_MSB, 0x00, |
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/* Task B */ |
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R_C0_B_TASK_HANDLING_CNTL, 0x00, |
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R_C1_B_X_PORT_FORMATS_AND_CONF, 0x08, |
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R_C2_B_INPUT_REFERENCE_SIGNAL_DEFINITION, 0x00, |
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R_C3_B_I_PORT_FORMATS_AND_CONF, 0x80, |
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/* 0x0002 is minimum */ |
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R_C4_B_HORIZ_INPUT_WINDOW_START, 0x02, |
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R_C5_B_HORIZ_INPUT_WINDOW_START_MSB, 0x00, |
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/* 0x02d0 = 720 */ |
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R_C6_B_HORIZ_INPUT_WINDOW_LENGTH, 0xd0, |
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R_C7_B_HORIZ_INPUT_WINDOW_LENGTH_MSB, 0x02, |
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/* vwindow start 0x12 = 18 */ |
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R_C8_B_VERT_INPUT_WINDOW_START, 0x12, |
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R_C9_B_VERT_INPUT_WINDOW_START_MSB, 0x00, |
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/* vwindow length 0xf8 = 248 */ |
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R_CA_B_VERT_INPUT_WINDOW_LENGTH, VRES_60HZ>>1, |
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R_CB_B_VERT_INPUT_WINDOW_LENGTH_MSB, VRES_60HZ>>9, |
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/* hwindow 0x02d0 = 720 */ |
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R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH, 0xd0, |
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R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x02, |
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R_F0_LFCO_PER_LINE, 0xad, /* Set PLL Register. 60hz 525 lines per frame, 27 MHz */ |
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R_F1_P_I_PARAM_SELECT, 0x05, /* low bit with 0xF0 */ |
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R_F5_PULSGEN_LINE_LENGTH, 0xad, |
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R_F6_PULSE_A_POS_LSB_AND_PULSEGEN_CONFIG, 0x01, |
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|
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0x00, 0x00 |
|
}; |
|
|
|
static const unsigned char saa7115_cfg_50hz_video[] = { |
|
R_80_GLOBAL_CNTL_1, 0x00, |
|
R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */ |
|
|
|
R_15_VGATE_START_FID_CHG, 0x37, /* VGATE start */ |
|
R_16_VGATE_STOP, 0x16, |
|
R_17_MISC_VGATE_CONF_AND_MSB, 0x99, |
|
|
|
R_08_SYNC_CNTL, 0x28, /* 0x28 = PAL */ |
|
R_0E_CHROMA_CNTL_1, 0x07, |
|
|
|
R_5A_V_OFF_FOR_SLICER, 0x03, /* standard 50hz value */ |
|
|
|
/* Task A */ |
|
R_90_A_TASK_HANDLING_CNTL, 0x81, |
|
R_91_A_X_PORT_FORMATS_AND_CONF, 0x48, |
|
R_92_A_X_PORT_INPUT_REFERENCE_SIGNAL, 0x40, |
|
R_93_A_I_PORT_OUTPUT_FORMATS_AND_CONF, 0x84, |
|
|
|
/* This is weird: the datasheet says that you should use 2 as the minimum value, */ |
|
/* but Hauppauge uses 0, and changing that to 2 causes indeed problems (for 50hz) */ |
|
/* hoffset low (input), 0x0002 is minimum */ |
|
R_94_A_HORIZ_INPUT_WINDOW_START, 0x00, |
|
R_95_A_HORIZ_INPUT_WINDOW_START_MSB, 0x00, |
|
|
|
/* hsize low (input), 0x02d0 = 720 */ |
|
R_96_A_HORIZ_INPUT_WINDOW_LENGTH, 0xd0, |
|
R_97_A_HORIZ_INPUT_WINDOW_LENGTH_MSB, 0x02, |
|
|
|
R_98_A_VERT_INPUT_WINDOW_START, 0x03, |
|
R_99_A_VERT_INPUT_WINDOW_START_MSB, 0x00, |
|
|
|
/* vsize 0x12 = 18 */ |
|
R_9A_A_VERT_INPUT_WINDOW_LENGTH, 0x12, |
|
R_9B_A_VERT_INPUT_WINDOW_LENGTH_MSB, 0x00, |
|
|
|
/* hsize 0x05a0 = 1440 */ |
|
R_9C_A_HORIZ_OUTPUT_WINDOW_LENGTH, 0xa0, |
|
R_9D_A_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x05, /* hsize hi (output) */ |
|
R_9E_A_VERT_OUTPUT_WINDOW_LENGTH, 0x12, /* vsize low (output), 0x12 = 18 */ |
|
R_9F_A_VERT_OUTPUT_WINDOW_LENGTH_MSB, 0x00, /* vsize hi (output) */ |
|
|
|
/* Task B */ |
|
R_C0_B_TASK_HANDLING_CNTL, 0x00, |
|
R_C1_B_X_PORT_FORMATS_AND_CONF, 0x08, |
|
R_C2_B_INPUT_REFERENCE_SIGNAL_DEFINITION, 0x00, |
|
R_C3_B_I_PORT_FORMATS_AND_CONF, 0x80, |
|
|
|
/* This is weird: the datasheet says that you should use 2 as the minimum value, */ |
|
/* but Hauppauge uses 0, and changing that to 2 causes indeed problems (for 50hz) */ |
|
/* hoffset low (input), 0x0002 is minimum. See comment above. */ |
|
R_C4_B_HORIZ_INPUT_WINDOW_START, 0x00, |
|
R_C5_B_HORIZ_INPUT_WINDOW_START_MSB, 0x00, |
|
|
|
/* hsize 0x02d0 = 720 */ |
|
R_C6_B_HORIZ_INPUT_WINDOW_LENGTH, 0xd0, |
|
R_C7_B_HORIZ_INPUT_WINDOW_LENGTH_MSB, 0x02, |
|
|
|
/* voffset 0x16 = 22 */ |
|
R_C8_B_VERT_INPUT_WINDOW_START, 0x16, |
|
R_C9_B_VERT_INPUT_WINDOW_START_MSB, 0x00, |
|
|
|
/* vsize 0x0120 = 288 */ |
|
R_CA_B_VERT_INPUT_WINDOW_LENGTH, 0x20, |
|
R_CB_B_VERT_INPUT_WINDOW_LENGTH_MSB, 0x01, |
|
|
|
/* hsize 0x02d0 = 720 */ |
|
R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH, 0xd0, |
|
R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x02, |
|
|
|
R_F0_LFCO_PER_LINE, 0xb0, /* Set PLL Register. 50hz 625 lines per frame, 27 MHz */ |
|
R_F1_P_I_PARAM_SELECT, 0x05, /* low bit with 0xF0, (was 0x05) */ |
|
R_F5_PULSGEN_LINE_LENGTH, 0xb0, |
|
R_F6_PULSE_A_POS_LSB_AND_PULSEGEN_CONFIG, 0x01, |
|
|
|
0x00, 0x00 |
|
}; |
|
|
|
/* ============== SAA7715 VIDEO templates (end) ======= */ |
|
|
|
static const unsigned char saa7115_cfg_vbi_on[] = { |
|
R_80_GLOBAL_CNTL_1, 0x00, /* reset tasks */ |
|
R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */ |
|
R_80_GLOBAL_CNTL_1, 0x30, /* Activate both tasks */ |
|
R_88_POWER_SAVE_ADC_PORT_CNTL, 0xf0, /* activate scaler */ |
|
R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x01, /* Enable I-port output */ |
|
|
|
0x00, 0x00 |
|
}; |
|
|
|
static const unsigned char saa7115_cfg_vbi_off[] = { |
|
R_80_GLOBAL_CNTL_1, 0x00, /* reset tasks */ |
|
R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */ |
|
R_80_GLOBAL_CNTL_1, 0x20, /* Activate only task "B" */ |
|
R_88_POWER_SAVE_ADC_PORT_CNTL, 0xf0, /* activate scaler */ |
|
R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x01, /* Enable I-port output */ |
|
|
|
0x00, 0x00 |
|
}; |
|
|
|
|
|
static const unsigned char saa7115_init_misc[] = { |
|
R_81_V_SYNC_FLD_ID_SRC_SEL_AND_RETIMED_V_F, 0x01, |
|
R_83_X_PORT_I_O_ENA_AND_OUT_CLK, 0x01, |
|
R_84_I_PORT_SIGNAL_DEF, 0x20, |
|
R_85_I_PORT_SIGNAL_POLAR, 0x21, |
|
R_86_I_PORT_FIFO_FLAG_CNTL_AND_ARBIT, 0xc5, |
|
R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, 0x01, |
|
|
|
/* Task A */ |
|
R_A0_A_HORIZ_PRESCALING, 0x01, |
|
R_A1_A_ACCUMULATION_LENGTH, 0x00, |
|
R_A2_A_PRESCALER_DC_GAIN_AND_FIR_PREFILTER, 0x00, |
|
|
|
/* Configure controls at nominal value*/ |
|
R_A4_A_LUMA_BRIGHTNESS_CNTL, 0x80, |
|
R_A5_A_LUMA_CONTRAST_CNTL, 0x40, |
|
R_A6_A_CHROMA_SATURATION_CNTL, 0x40, |
|
|
|
/* note: 2 x zoom ensures that VBI lines have same length as video lines. */ |
|
R_A8_A_HORIZ_LUMA_SCALING_INC, 0x00, |
|
R_A9_A_HORIZ_LUMA_SCALING_INC_MSB, 0x02, |
|
|
|
R_AA_A_HORIZ_LUMA_PHASE_OFF, 0x00, |
|
|
|
/* must be horiz lum scaling / 2 */ |
|
R_AC_A_HORIZ_CHROMA_SCALING_INC, 0x00, |
|
R_AD_A_HORIZ_CHROMA_SCALING_INC_MSB, 0x01, |
|
|
|
/* must be offset luma / 2 */ |
|
R_AE_A_HORIZ_CHROMA_PHASE_OFF, 0x00, |
|
|
|
R_B0_A_VERT_LUMA_SCALING_INC, 0x00, |
|
R_B1_A_VERT_LUMA_SCALING_INC_MSB, 0x04, |
|
|
|
R_B2_A_VERT_CHROMA_SCALING_INC, 0x00, |
|
R_B3_A_VERT_CHROMA_SCALING_INC_MSB, 0x04, |
|
|
|
R_B4_A_VERT_SCALING_MODE_CNTL, 0x01, |
|
|
|
R_B8_A_VERT_CHROMA_PHASE_OFF_00, 0x00, |
|
R_B9_A_VERT_CHROMA_PHASE_OFF_01, 0x00, |
|
R_BA_A_VERT_CHROMA_PHASE_OFF_10, 0x00, |
|
R_BB_A_VERT_CHROMA_PHASE_OFF_11, 0x00, |
|
|
|
R_BC_A_VERT_LUMA_PHASE_OFF_00, 0x00, |
|
R_BD_A_VERT_LUMA_PHASE_OFF_01, 0x00, |
|
R_BE_A_VERT_LUMA_PHASE_OFF_10, 0x00, |
|
R_BF_A_VERT_LUMA_PHASE_OFF_11, 0x00, |
|
|
|
/* Task B */ |
|
R_D0_B_HORIZ_PRESCALING, 0x01, |
|
R_D1_B_ACCUMULATION_LENGTH, 0x00, |
|
R_D2_B_PRESCALER_DC_GAIN_AND_FIR_PREFILTER, 0x00, |
|
|
|
/* Configure controls at nominal value*/ |
|
R_D4_B_LUMA_BRIGHTNESS_CNTL, 0x80, |
|
R_D5_B_LUMA_CONTRAST_CNTL, 0x40, |
|
R_D6_B_CHROMA_SATURATION_CNTL, 0x40, |
|
|
|
/* hor lum scaling 0x0400 = 1 */ |
|
R_D8_B_HORIZ_LUMA_SCALING_INC, 0x00, |
|
R_D9_B_HORIZ_LUMA_SCALING_INC_MSB, 0x04, |
|
|
|
R_DA_B_HORIZ_LUMA_PHASE_OFF, 0x00, |
|
|
|
/* must be hor lum scaling / 2 */ |
|
R_DC_B_HORIZ_CHROMA_SCALING, 0x00, |
|
R_DD_B_HORIZ_CHROMA_SCALING_MSB, 0x02, |
|
|
|
/* must be offset luma / 2 */ |
|
R_DE_B_HORIZ_PHASE_OFFSET_CRHOMA, 0x00, |
|
|
|
R_E0_B_VERT_LUMA_SCALING_INC, 0x00, |
|
R_E1_B_VERT_LUMA_SCALING_INC_MSB, 0x04, |
|
|
|
R_E2_B_VERT_CHROMA_SCALING_INC, 0x00, |
|
R_E3_B_VERT_CHROMA_SCALING_INC_MSB, 0x04, |
|
|
|
R_E4_B_VERT_SCALING_MODE_CNTL, 0x01, |
|
|
|
R_E8_B_VERT_CHROMA_PHASE_OFF_00, 0x00, |
|
R_E9_B_VERT_CHROMA_PHASE_OFF_01, 0x00, |
|
R_EA_B_VERT_CHROMA_PHASE_OFF_10, 0x00, |
|
R_EB_B_VERT_CHROMA_PHASE_OFF_11, 0x00, |
|
|
|
R_EC_B_VERT_LUMA_PHASE_OFF_00, 0x00, |
|
R_ED_B_VERT_LUMA_PHASE_OFF_01, 0x00, |
|
R_EE_B_VERT_LUMA_PHASE_OFF_10, 0x00, |
|
R_EF_B_VERT_LUMA_PHASE_OFF_11, 0x00, |
|
|
|
R_F2_NOMINAL_PLL2_DTO, 0x50, /* crystal clock = 24.576 MHz, target = 27MHz */ |
|
R_F3_PLL_INCREMENT, 0x46, |
|
R_F4_PLL2_STATUS, 0x00, |
|
R_F7_PULSE_A_POS_MSB, 0x4b, /* not the recommended settings! */ |
|
R_F8_PULSE_B_POS, 0x00, |
|
R_F9_PULSE_B_POS_MSB, 0x4b, |
|
R_FA_PULSE_C_POS, 0x00, |
|
R_FB_PULSE_C_POS_MSB, 0x4b, |
|
|
|
/* PLL2 lock detection settings: 71 lines 50% phase error */ |
|
R_FF_S_PLL_MAX_PHASE_ERR_THRESH_NUM_LINES, 0x88, |
|
|
|
/* Turn off VBI */ |
|
R_40_SLICER_CNTL_1, 0x20, /* No framing code errors allowed. */ |
|
R_41_LCR_BASE, 0xff, |
|
R_41_LCR_BASE+1, 0xff, |
|
R_41_LCR_BASE+2, 0xff, |
|
R_41_LCR_BASE+3, 0xff, |
|
R_41_LCR_BASE+4, 0xff, |
|
R_41_LCR_BASE+5, 0xff, |
|
R_41_LCR_BASE+6, 0xff, |
|
R_41_LCR_BASE+7, 0xff, |
|
R_41_LCR_BASE+8, 0xff, |
|
R_41_LCR_BASE+9, 0xff, |
|
R_41_LCR_BASE+10, 0xff, |
|
R_41_LCR_BASE+11, 0xff, |
|
R_41_LCR_BASE+12, 0xff, |
|
R_41_LCR_BASE+13, 0xff, |
|
R_41_LCR_BASE+14, 0xff, |
|
R_41_LCR_BASE+15, 0xff, |
|
R_41_LCR_BASE+16, 0xff, |
|
R_41_LCR_BASE+17, 0xff, |
|
R_41_LCR_BASE+18, 0xff, |
|
R_41_LCR_BASE+19, 0xff, |
|
R_41_LCR_BASE+20, 0xff, |
|
R_41_LCR_BASE+21, 0xff, |
|
R_41_LCR_BASE+22, 0xff, |
|
R_58_PROGRAM_FRAMING_CODE, 0x40, |
|
R_59_H_OFF_FOR_SLICER, 0x47, |
|
R_5B_FLD_OFF_AND_MSB_FOR_H_AND_V_OFF, 0x83, |
|
R_5D_DID, 0xbd, |
|
R_5E_SDID, 0x35, |
|
|
|
R_02_INPUT_CNTL_1, 0xc4, /* input tuner -> input 4, amplifier active */ |
|
|
|
R_80_GLOBAL_CNTL_1, 0x20, /* enable task B */ |
|
R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, |
|
R_88_POWER_SAVE_ADC_PORT_CNTL, 0xf0, |
|
0x00, 0x00 |
|
}; |
|
|
|
static int saa711x_odd_parity(u8 c) |
|
{ |
|
c ^= (c >> 4); |
|
c ^= (c >> 2); |
|
c ^= (c >> 1); |
|
|
|
return c & 1; |
|
} |
|
|
|
static int saa711x_decode_vps(u8 *dst, u8 *p) |
|
{ |
|
static const u8 biphase_tbl[] = { |
|
0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, |
|
0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, |
|
0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, |
|
0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, |
|
0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, |
|
0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, |
|
0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, |
|
0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, |
|
0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, |
|
0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, |
|
0xc3, 0x4b, 0x43, 0xc3, 0x87, 0x0f, 0x07, 0x87, |
|
0x83, 0x0b, 0x03, 0x83, 0xc3, 0x4b, 0x43, 0xc3, |
|
0xc1, 0x49, 0x41, 0xc1, 0x85, 0x0d, 0x05, 0x85, |
|
0x81, 0x09, 0x01, 0x81, 0xc1, 0x49, 0x41, 0xc1, |
|
0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5, |
|
0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1, |
|
0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, |
|
0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, |
|
0xc2, 0x4a, 0x42, 0xc2, 0x86, 0x0e, 0x06, 0x86, |
|
0x82, 0x0a, 0x02, 0x82, 0xc2, 0x4a, 0x42, 0xc2, |
|
0xc0, 0x48, 0x40, 0xc0, 0x84, 0x0c, 0x04, 0x84, |
|
0x80, 0x08, 0x00, 0x80, 0xc0, 0x48, 0x40, 0xc0, |
|
0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4, |
|
0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0, |
|
0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, |
|
0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, |
|
0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96, |
|
0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2, |
|
0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94, |
|
0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0, |
|
0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4, |
|
0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0, |
|
}; |
|
int i; |
|
u8 c, err = 0; |
|
|
|
for (i = 0; i < 2 * 13; i += 2) { |
|
err |= biphase_tbl[p[i]] | biphase_tbl[p[i + 1]]; |
|
c = (biphase_tbl[p[i + 1]] & 0xf) | ((biphase_tbl[p[i]] & 0xf) << 4); |
|
dst[i / 2] = c; |
|
} |
|
return err & 0xf0; |
|
} |
|
|
|
static int saa711x_decode_wss(u8 *p) |
|
{ |
|
static const int wss_bits[8] = { |
|
0, 0, 0, 1, 0, 1, 1, 1 |
|
}; |
|
unsigned char parity; |
|
int wss = 0; |
|
int i; |
|
|
|
for (i = 0; i < 16; i++) { |
|
int b1 = wss_bits[p[i] & 7]; |
|
int b2 = wss_bits[(p[i] >> 3) & 7]; |
|
|
|
if (b1 == b2) |
|
return -1; |
|
wss |= b2 << i; |
|
} |
|
parity = wss & 15; |
|
parity ^= parity >> 2; |
|
parity ^= parity >> 1; |
|
|
|
if (!(parity & 1)) |
|
return -1; |
|
|
|
return wss; |
|
} |
|
|
|
static int saa711x_s_clock_freq(struct v4l2_subdev *sd, u32 freq) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
u32 acpf; |
|
u32 acni; |
|
u32 hz; |
|
u64 f; |
|
u8 acc = 0; /* reg 0x3a, audio clock control */ |
|
|
|
/* Checks for chips that don't have audio clock (saa7111, saa7113) */ |
|
if (!saa711x_has_reg(state->ident, R_30_AUD_MAST_CLK_CYCLES_PER_FIELD)) |
|
return 0; |
|
|
|
v4l2_dbg(1, debug, sd, "set audio clock freq: %d\n", freq); |
|
|
|
/* sanity check */ |
|
if (freq < 32000 || freq > 48000) |
|
return -EINVAL; |
|
|
|
/* hz is the refresh rate times 100 */ |
|
hz = (state->std & V4L2_STD_525_60) ? 5994 : 5000; |
|
/* acpf = (256 * freq) / field_frequency == (256 * 100 * freq) / hz */ |
|
acpf = (25600 * freq) / hz; |
|
/* acni = (256 * freq * 2^23) / crystal_frequency = |
|
(freq * 2^(8+23)) / crystal_frequency = |
|
(freq << 31) / crystal_frequency */ |
|
f = freq; |
|
f = f << 31; |
|
do_div(f, state->crystal_freq); |
|
acni = f; |
|
if (state->ucgc) { |
|
acpf = acpf * state->cgcdiv / 16; |
|
acni = acni * state->cgcdiv / 16; |
|
acc = 0x80; |
|
if (state->cgcdiv == 3) |
|
acc |= 0x40; |
|
} |
|
if (state->apll) |
|
acc |= 0x08; |
|
|
|
if (state->double_asclk) { |
|
acpf <<= 1; |
|
acni <<= 1; |
|
} |
|
saa711x_write(sd, R_38_CLK_RATIO_AMXCLK_TO_ASCLK, 0x03); |
|
saa711x_write(sd, R_39_CLK_RATIO_ASCLK_TO_ALRCLK, 0x10 << state->double_asclk); |
|
saa711x_write(sd, R_3A_AUD_CLK_GEN_BASIC_SETUP, acc); |
|
|
|
saa711x_write(sd, R_30_AUD_MAST_CLK_CYCLES_PER_FIELD, acpf & 0xff); |
|
saa711x_write(sd, R_30_AUD_MAST_CLK_CYCLES_PER_FIELD+1, |
|
(acpf >> 8) & 0xff); |
|
saa711x_write(sd, R_30_AUD_MAST_CLK_CYCLES_PER_FIELD+2, |
|
(acpf >> 16) & 0x03); |
|
|
|
saa711x_write(sd, R_34_AUD_MAST_CLK_NOMINAL_INC, acni & 0xff); |
|
saa711x_write(sd, R_34_AUD_MAST_CLK_NOMINAL_INC+1, (acni >> 8) & 0xff); |
|
saa711x_write(sd, R_34_AUD_MAST_CLK_NOMINAL_INC+2, (acni >> 16) & 0x3f); |
|
state->audclk_freq = freq; |
|
return 0; |
|
} |
|
|
|
static int saa711x_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
|
{ |
|
struct v4l2_subdev *sd = to_sd(ctrl); |
|
struct saa711x_state *state = to_state(sd); |
|
|
|
switch (ctrl->id) { |
|
case V4L2_CID_CHROMA_AGC: |
|
/* chroma gain cluster */ |
|
if (state->agc->val) |
|
state->gain->val = |
|
saa711x_read(sd, R_0F_CHROMA_GAIN_CNTL) & 0x7f; |
|
break; |
|
} |
|
return 0; |
|
} |
|
|
|
static int saa711x_s_ctrl(struct v4l2_ctrl *ctrl) |
|
{ |
|
struct v4l2_subdev *sd = to_sd(ctrl); |
|
struct saa711x_state *state = to_state(sd); |
|
|
|
switch (ctrl->id) { |
|
case V4L2_CID_BRIGHTNESS: |
|
saa711x_write(sd, R_0A_LUMA_BRIGHT_CNTL, ctrl->val); |
|
break; |
|
|
|
case V4L2_CID_CONTRAST: |
|
saa711x_write(sd, R_0B_LUMA_CONTRAST_CNTL, ctrl->val); |
|
break; |
|
|
|
case V4L2_CID_SATURATION: |
|
saa711x_write(sd, R_0C_CHROMA_SAT_CNTL, ctrl->val); |
|
break; |
|
|
|
case V4L2_CID_HUE: |
|
saa711x_write(sd, R_0D_CHROMA_HUE_CNTL, ctrl->val); |
|
break; |
|
|
|
case V4L2_CID_CHROMA_AGC: |
|
/* chroma gain cluster */ |
|
if (state->agc->val) |
|
saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, state->gain->val); |
|
else |
|
saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, state->gain->val | 0x80); |
|
break; |
|
|
|
default: |
|
return -EINVAL; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int saa711x_set_size(struct v4l2_subdev *sd, int width, int height) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
int HPSC, HFSC; |
|
int VSCY; |
|
int res; |
|
int is_50hz = state->std & V4L2_STD_625_50; |
|
int Vsrc = is_50hz ? 576 : 480; |
|
|
|
v4l2_dbg(1, debug, sd, "decoder set size to %ix%i\n", width, height); |
|
|
|
/* FIXME need better bounds checking here */ |
|
if ((width < 1) || (width > 1440)) |
|
return -EINVAL; |
|
if ((height < 1) || (height > Vsrc)) |
|
return -EINVAL; |
|
|
|
if (!saa711x_has_reg(state->ident, R_D0_B_HORIZ_PRESCALING)) { |
|
/* Decoder only supports 720 columns and 480 or 576 lines */ |
|
if (width != 720) |
|
return -EINVAL; |
|
if (height != Vsrc) |
|
return -EINVAL; |
|
} |
|
|
|
state->width = width; |
|
state->height = height; |
|
|
|
if (!saa711x_has_reg(state->ident, R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH)) |
|
return 0; |
|
|
|
/* probably have a valid size, let's set it */ |
|
/* Set output width/height */ |
|
/* width */ |
|
|
|
saa711x_write(sd, R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH, |
|
(u8) (width & 0xff)); |
|
saa711x_write(sd, R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, |
|
(u8) ((width >> 8) & 0xff)); |
|
|
|
/* Vertical Scaling uses height/2 */ |
|
res = height / 2; |
|
|
|
/* On 60Hz, it is using a higher Vertical Output Size */ |
|
if (!is_50hz) |
|
res += (VRES_60HZ - 480) >> 1; |
|
|
|
/* height */ |
|
saa711x_write(sd, R_CE_B_VERT_OUTPUT_WINDOW_LENGTH, |
|
(u8) (res & 0xff)); |
|
saa711x_write(sd, R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB, |
|
(u8) ((res >> 8) & 0xff)); |
|
|
|
/* Scaling settings */ |
|
/* Hprescaler is floor(inres/outres) */ |
|
HPSC = (int)(720 / width); |
|
/* 0 is not allowed (div. by zero) */ |
|
HPSC = HPSC ? HPSC : 1; |
|
HFSC = (int)((1024 * 720) / (HPSC * width)); |
|
/* FIXME hardcodes to "Task B" |
|
* write H prescaler integer */ |
|
saa711x_write(sd, R_D0_B_HORIZ_PRESCALING, |
|
(u8) (HPSC & 0x3f)); |
|
|
|
v4l2_dbg(1, debug, sd, "Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC); |
|
/* write H fine-scaling (luminance) */ |
|
saa711x_write(sd, R_D8_B_HORIZ_LUMA_SCALING_INC, |
|
(u8) (HFSC & 0xff)); |
|
saa711x_write(sd, R_D9_B_HORIZ_LUMA_SCALING_INC_MSB, |
|
(u8) ((HFSC >> 8) & 0xff)); |
|
/* write H fine-scaling (chrominance) |
|
* must be lum/2, so i'll just bitshift :) */ |
|
saa711x_write(sd, R_DC_B_HORIZ_CHROMA_SCALING, |
|
(u8) ((HFSC >> 1) & 0xff)); |
|
saa711x_write(sd, R_DD_B_HORIZ_CHROMA_SCALING_MSB, |
|
(u8) ((HFSC >> 9) & 0xff)); |
|
|
|
VSCY = (int)((1024 * Vsrc) / height); |
|
v4l2_dbg(1, debug, sd, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY); |
|
|
|
/* Correct Contrast and Luminance */ |
|
saa711x_write(sd, R_D5_B_LUMA_CONTRAST_CNTL, |
|
(u8) (64 * 1024 / VSCY)); |
|
saa711x_write(sd, R_D6_B_CHROMA_SATURATION_CNTL, |
|
(u8) (64 * 1024 / VSCY)); |
|
|
|
/* write V fine-scaling (luminance) */ |
|
saa711x_write(sd, R_E0_B_VERT_LUMA_SCALING_INC, |
|
(u8) (VSCY & 0xff)); |
|
saa711x_write(sd, R_E1_B_VERT_LUMA_SCALING_INC_MSB, |
|
(u8) ((VSCY >> 8) & 0xff)); |
|
/* write V fine-scaling (chrominance) */ |
|
saa711x_write(sd, R_E2_B_VERT_CHROMA_SCALING_INC, |
|
(u8) (VSCY & 0xff)); |
|
saa711x_write(sd, R_E3_B_VERT_CHROMA_SCALING_INC_MSB, |
|
(u8) ((VSCY >> 8) & 0xff)); |
|
|
|
saa711x_writeregs(sd, saa7115_cfg_reset_scaler); |
|
|
|
/* Activates task "B" */ |
|
saa711x_write(sd, R_80_GLOBAL_CNTL_1, |
|
saa711x_read(sd, R_80_GLOBAL_CNTL_1) | 0x20); |
|
|
|
return 0; |
|
} |
|
|
|
static void saa711x_set_v4lstd(struct v4l2_subdev *sd, v4l2_std_id std) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
|
|
/* Prevent unnecessary standard changes. During a standard |
|
change the I-Port is temporarily disabled. Any devices |
|
reading from that port can get confused. |
|
Note that s_std is also used to switch from |
|
radio to TV mode, so if a s_std is broadcast to |
|
all I2C devices then you do not want to have an unwanted |
|
side-effect here. */ |
|
if (std == state->std) |
|
return; |
|
|
|
state->std = std; |
|
|
|
// This works for NTSC-M, SECAM-L and the 50Hz PAL variants. |
|
if (std & V4L2_STD_525_60) { |
|
v4l2_dbg(1, debug, sd, "decoder set standard 60 Hz\n"); |
|
if (state->ident == GM7113C) { |
|
u8 reg = saa711x_read(sd, R_08_SYNC_CNTL); |
|
reg &= ~(SAA7113_R_08_FSEL | SAA7113_R_08_AUFD); |
|
reg |= SAA7113_R_08_FSEL; |
|
saa711x_write(sd, R_08_SYNC_CNTL, reg); |
|
} else { |
|
saa711x_writeregs(sd, saa7115_cfg_60hz_video); |
|
} |
|
saa711x_set_size(sd, 720, 480); |
|
} else { |
|
v4l2_dbg(1, debug, sd, "decoder set standard 50 Hz\n"); |
|
if (state->ident == GM7113C) { |
|
u8 reg = saa711x_read(sd, R_08_SYNC_CNTL); |
|
reg &= ~(SAA7113_R_08_FSEL | SAA7113_R_08_AUFD); |
|
saa711x_write(sd, R_08_SYNC_CNTL, reg); |
|
} else { |
|
saa711x_writeregs(sd, saa7115_cfg_50hz_video); |
|
} |
|
saa711x_set_size(sd, 720, 576); |
|
} |
|
|
|
/* Register 0E - Bits D6-D4 on NO-AUTO mode |
|
(SAA7111 and SAA7113 doesn't have auto mode) |
|
50 Hz / 625 lines 60 Hz / 525 lines |
|
000 PAL BGDHI (4.43Mhz) NTSC M (3.58MHz) |
|
001 NTSC 4.43 (50 Hz) PAL 4.43 (60 Hz) |
|
010 Combination-PAL N (3.58MHz) NTSC 4.43 (60 Hz) |
|
011 NTSC N (3.58MHz) PAL M (3.58MHz) |
|
100 reserved NTSC-Japan (3.58MHz) |
|
*/ |
|
if (state->ident <= SAA7113 || |
|
state->ident == GM7113C) { |
|
u8 reg = saa711x_read(sd, R_0E_CHROMA_CNTL_1) & 0x8f; |
|
|
|
if (std == V4L2_STD_PAL_M) { |
|
reg |= 0x30; |
|
} else if (std == V4L2_STD_PAL_Nc) { |
|
reg |= 0x20; |
|
} else if (std == V4L2_STD_PAL_60) { |
|
reg |= 0x10; |
|
} else if (std == V4L2_STD_NTSC_M_JP) { |
|
reg |= 0x40; |
|
} else if (std & V4L2_STD_SECAM) { |
|
reg |= 0x50; |
|
} |
|
saa711x_write(sd, R_0E_CHROMA_CNTL_1, reg); |
|
} else { |
|
/* restart task B if needed */ |
|
int taskb = saa711x_read(sd, R_80_GLOBAL_CNTL_1) & 0x10; |
|
|
|
if (taskb && state->ident == SAA7114) |
|
saa711x_writeregs(sd, saa7115_cfg_vbi_on); |
|
|
|
/* switch audio mode too! */ |
|
saa711x_s_clock_freq(sd, state->audclk_freq); |
|
} |
|
} |
|
|
|
/* setup the sliced VBI lcr registers according to the sliced VBI format */ |
|
static void saa711x_set_lcr(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
int is_50hz = (state->std & V4L2_STD_625_50); |
|
u8 lcr[24]; |
|
int i, x; |
|
|
|
#if 1 |
|
/* saa7113/7114/7118 VBI support are experimental */ |
|
if (!saa711x_has_reg(state->ident, R_41_LCR_BASE)) |
|
return; |
|
|
|
#else |
|
/* SAA7113 and SAA7118 also should support VBI - Need testing */ |
|
if (state->ident != SAA7115) |
|
return; |
|
#endif |
|
|
|
for (i = 0; i <= 23; i++) |
|
lcr[i] = 0xff; |
|
|
|
if (fmt == NULL) { |
|
/* raw VBI */ |
|
if (is_50hz) |
|
for (i = 6; i <= 23; i++) |
|
lcr[i] = 0xdd; |
|
else |
|
for (i = 10; i <= 21; i++) |
|
lcr[i] = 0xdd; |
|
} else { |
|
/* sliced VBI */ |
|
/* first clear lines that cannot be captured */ |
|
if (is_50hz) { |
|
for (i = 0; i <= 5; i++) |
|
fmt->service_lines[0][i] = |
|
fmt->service_lines[1][i] = 0; |
|
} |
|
else { |
|
for (i = 0; i <= 9; i++) |
|
fmt->service_lines[0][i] = |
|
fmt->service_lines[1][i] = 0; |
|
for (i = 22; i <= 23; i++) |
|
fmt->service_lines[0][i] = |
|
fmt->service_lines[1][i] = 0; |
|
} |
|
|
|
/* Now set the lcr values according to the specified service */ |
|
for (i = 6; i <= 23; i++) { |
|
lcr[i] = 0; |
|
for (x = 0; x <= 1; x++) { |
|
switch (fmt->service_lines[1-x][i]) { |
|
case 0: |
|
lcr[i] |= 0xf << (4 * x); |
|
break; |
|
case V4L2_SLICED_TELETEXT_B: |
|
lcr[i] |= 1 << (4 * x); |
|
break; |
|
case V4L2_SLICED_CAPTION_525: |
|
lcr[i] |= 4 << (4 * x); |
|
break; |
|
case V4L2_SLICED_WSS_625: |
|
lcr[i] |= 5 << (4 * x); |
|
break; |
|
case V4L2_SLICED_VPS: |
|
lcr[i] |= 7 << (4 * x); |
|
break; |
|
} |
|
} |
|
} |
|
} |
|
|
|
/* write the lcr registers */ |
|
for (i = 2; i <= 23; i++) { |
|
saa711x_write(sd, i - 2 + R_41_LCR_BASE, lcr[i]); |
|
} |
|
|
|
/* enable/disable raw VBI capturing */ |
|
saa711x_writeregs(sd, fmt == NULL ? |
|
saa7115_cfg_vbi_on : |
|
saa7115_cfg_vbi_off); |
|
} |
|
|
|
static int saa711x_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *sliced) |
|
{ |
|
static u16 lcr2vbi[] = { |
|
0, V4L2_SLICED_TELETEXT_B, 0, /* 1 */ |
|
0, V4L2_SLICED_CAPTION_525, /* 4 */ |
|
V4L2_SLICED_WSS_625, 0, /* 5 */ |
|
V4L2_SLICED_VPS, 0, 0, 0, 0, /* 7 */ |
|
0, 0, 0, 0 |
|
}; |
|
int i; |
|
|
|
memset(sliced->service_lines, 0, sizeof(sliced->service_lines)); |
|
sliced->service_set = 0; |
|
/* done if using raw VBI */ |
|
if (saa711x_read(sd, R_80_GLOBAL_CNTL_1) & 0x10) |
|
return 0; |
|
for (i = 2; i <= 23; i++) { |
|
u8 v = saa711x_read(sd, i - 2 + R_41_LCR_BASE); |
|
|
|
sliced->service_lines[0][i] = lcr2vbi[v >> 4]; |
|
sliced->service_lines[1][i] = lcr2vbi[v & 0xf]; |
|
sliced->service_set |= |
|
sliced->service_lines[0][i] | sliced->service_lines[1][i]; |
|
} |
|
return 0; |
|
} |
|
|
|
static int saa711x_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) |
|
{ |
|
saa711x_set_lcr(sd, NULL); |
|
return 0; |
|
} |
|
|
|
static int saa711x_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt) |
|
{ |
|
saa711x_set_lcr(sd, fmt); |
|
return 0; |
|
} |
|
|
|
static int saa711x_set_fmt(struct v4l2_subdev *sd, |
|
struct v4l2_subdev_pad_config *cfg, |
|
struct v4l2_subdev_format *format) |
|
{ |
|
struct v4l2_mbus_framefmt *fmt = &format->format; |
|
|
|
if (format->pad || fmt->code != MEDIA_BUS_FMT_FIXED) |
|
return -EINVAL; |
|
fmt->field = V4L2_FIELD_INTERLACED; |
|
fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; |
|
if (format->which == V4L2_SUBDEV_FORMAT_TRY) |
|
return 0; |
|
return saa711x_set_size(sd, fmt->width, fmt->height); |
|
} |
|
|
|
/* Decode the sliced VBI data stream as created by the saa7115. |
|
The format is described in the saa7115 datasheet in Tables 25 and 26 |
|
and in Figure 33. |
|
The current implementation uses SAV/EAV codes and not the ancillary data |
|
headers. The vbi->p pointer points to the R_5E_SDID byte right after the SAV |
|
code. */ |
|
static int saa711x_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
static const char vbi_no_data_pattern[] = { |
|
0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0 |
|
}; |
|
u8 *p = vbi->p; |
|
u32 wss; |
|
int id1, id2; /* the ID1 and ID2 bytes from the internal header */ |
|
|
|
vbi->type = 0; /* mark result as a failure */ |
|
id1 = p[2]; |
|
id2 = p[3]; |
|
/* Note: the field bit is inverted for 60 Hz video */ |
|
if (state->std & V4L2_STD_525_60) |
|
id1 ^= 0x40; |
|
|
|
/* Skip internal header, p now points to the start of the payload */ |
|
p += 4; |
|
vbi->p = p; |
|
|
|
/* calculate field and line number of the VBI packet (1-23) */ |
|
vbi->is_second_field = ((id1 & 0x40) != 0); |
|
vbi->line = (id1 & 0x3f) << 3; |
|
vbi->line |= (id2 & 0x70) >> 4; |
|
|
|
/* Obtain data type */ |
|
id2 &= 0xf; |
|
|
|
/* If the VBI slicer does not detect any signal it will fill up |
|
the payload buffer with 0xa0 bytes. */ |
|
if (!memcmp(p, vbi_no_data_pattern, sizeof(vbi_no_data_pattern))) |
|
return 0; |
|
|
|
/* decode payloads */ |
|
switch (id2) { |
|
case 1: |
|
vbi->type = V4L2_SLICED_TELETEXT_B; |
|
break; |
|
case 4: |
|
if (!saa711x_odd_parity(p[0]) || !saa711x_odd_parity(p[1])) |
|
return 0; |
|
vbi->type = V4L2_SLICED_CAPTION_525; |
|
break; |
|
case 5: |
|
wss = saa711x_decode_wss(p); |
|
if (wss == -1) |
|
return 0; |
|
p[0] = wss & 0xff; |
|
p[1] = wss >> 8; |
|
vbi->type = V4L2_SLICED_WSS_625; |
|
break; |
|
case 7: |
|
if (saa711x_decode_vps(p, p) != 0) |
|
return 0; |
|
vbi->type = V4L2_SLICED_VPS; |
|
break; |
|
default: |
|
break; |
|
} |
|
return 0; |
|
} |
|
|
|
/* ============ SAA7115 AUDIO settings (end) ============= */ |
|
|
|
static int saa711x_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
int status; |
|
|
|
if (state->radio) |
|
return 0; |
|
status = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC); |
|
|
|
v4l2_dbg(1, debug, sd, "status: 0x%02x\n", status); |
|
vt->signal = ((status & (1 << 6)) == 0) ? 0xffff : 0x0; |
|
return 0; |
|
} |
|
|
|
static int saa711x_s_std(struct v4l2_subdev *sd, v4l2_std_id std) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
|
|
state->radio = 0; |
|
saa711x_set_v4lstd(sd, std); |
|
return 0; |
|
} |
|
|
|
static int saa711x_s_radio(struct v4l2_subdev *sd) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
|
|
state->radio = 1; |
|
return 0; |
|
} |
|
|
|
static int saa711x_s_routing(struct v4l2_subdev *sd, |
|
u32 input, u32 output, u32 config) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
u8 mask = (state->ident <= SAA7111A) ? 0xf8 : 0xf0; |
|
|
|
v4l2_dbg(1, debug, sd, "decoder set input %d output %d\n", |
|
input, output); |
|
|
|
/* saa7111/3 does not have these inputs */ |
|
if ((state->ident <= SAA7113 || |
|
state->ident == GM7113C) && |
|
(input == SAA7115_COMPOSITE4 || |
|
input == SAA7115_COMPOSITE5)) { |
|
return -EINVAL; |
|
} |
|
if (input > SAA7115_SVIDEO3) |
|
return -EINVAL; |
|
if (state->input == input && state->output == output) |
|
return 0; |
|
v4l2_dbg(1, debug, sd, "now setting %s input %s output\n", |
|
(input >= SAA7115_SVIDEO0) ? "S-Video" : "Composite", |
|
(output == SAA7115_IPORT_ON) ? "iport on" : "iport off"); |
|
state->input = input; |
|
|
|
/* saa7111 has slightly different input numbering */ |
|
if (state->ident <= SAA7111A) { |
|
if (input >= SAA7115_COMPOSITE4) |
|
input -= 2; |
|
/* saa7111 specific */ |
|
saa711x_write(sd, R_10_CHROMA_CNTL_2, |
|
(saa711x_read(sd, R_10_CHROMA_CNTL_2) & 0x3f) | |
|
((output & 0xc0) ^ 0x40)); |
|
saa711x_write(sd, R_13_RT_X_PORT_OUT_CNTL, |
|
(saa711x_read(sd, R_13_RT_X_PORT_OUT_CNTL) & 0xf0) | |
|
((output & 2) ? 0x0a : 0)); |
|
} |
|
|
|
/* select mode */ |
|
saa711x_write(sd, R_02_INPUT_CNTL_1, |
|
(saa711x_read(sd, R_02_INPUT_CNTL_1) & mask) | |
|
input); |
|
|
|
/* bypass chrominance trap for S-Video modes */ |
|
saa711x_write(sd, R_09_LUMA_CNTL, |
|
(saa711x_read(sd, R_09_LUMA_CNTL) & 0x7f) | |
|
(state->input >= SAA7115_SVIDEO0 ? 0x80 : 0x0)); |
|
|
|
state->output = output; |
|
if (state->ident == SAA7114 || |
|
state->ident == SAA7115) { |
|
saa711x_write(sd, R_83_X_PORT_I_O_ENA_AND_OUT_CLK, |
|
(saa711x_read(sd, R_83_X_PORT_I_O_ENA_AND_OUT_CLK) & 0xfe) | |
|
(state->output & 0x01)); |
|
} |
|
if (state->ident > SAA7111A) { |
|
if (config & SAA7115_IDQ_IS_DEFAULT) |
|
saa711x_write(sd, R_85_I_PORT_SIGNAL_POLAR, 0x20); |
|
else |
|
saa711x_write(sd, R_85_I_PORT_SIGNAL_POLAR, 0x21); |
|
} |
|
return 0; |
|
} |
|
|
|
static int saa711x_s_gpio(struct v4l2_subdev *sd, u32 val) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
|
|
if (state->ident > SAA7111A) |
|
return -EINVAL; |
|
saa711x_write(sd, 0x11, (saa711x_read(sd, 0x11) & 0x7f) | |
|
(val ? 0x80 : 0)); |
|
return 0; |
|
} |
|
|
|
static int saa711x_s_stream(struct v4l2_subdev *sd, int enable) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
|
|
v4l2_dbg(1, debug, sd, "%s output\n", |
|
enable ? "enable" : "disable"); |
|
|
|
if (state->enable == enable) |
|
return 0; |
|
state->enable = enable; |
|
if (!saa711x_has_reg(state->ident, R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED)) |
|
return 0; |
|
saa711x_write(sd, R_87_I_PORT_I_O_ENA_OUT_CLK_AND_GATED, state->enable); |
|
return 0; |
|
} |
|
|
|
static int saa711x_s_crystal_freq(struct v4l2_subdev *sd, u32 freq, u32 flags) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
|
|
if (freq != SAA7115_FREQ_32_11_MHZ && freq != SAA7115_FREQ_24_576_MHZ) |
|
return -EINVAL; |
|
state->crystal_freq = freq; |
|
state->double_asclk = flags & SAA7115_FREQ_FL_DOUBLE_ASCLK; |
|
state->cgcdiv = (flags & SAA7115_FREQ_FL_CGCDIV) ? 3 : 4; |
|
state->ucgc = flags & SAA7115_FREQ_FL_UCGC; |
|
state->apll = flags & SAA7115_FREQ_FL_APLL; |
|
saa711x_s_clock_freq(sd, state->audclk_freq); |
|
return 0; |
|
} |
|
|
|
static int saa711x_reset(struct v4l2_subdev *sd, u32 val) |
|
{ |
|
v4l2_dbg(1, debug, sd, "decoder RESET\n"); |
|
saa711x_writeregs(sd, saa7115_cfg_reset_scaler); |
|
return 0; |
|
} |
|
|
|
static int saa711x_g_vbi_data(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_data *data) |
|
{ |
|
/* Note: the internal field ID is inverted for NTSC, |
|
so data->field 0 maps to the saa7115 even field, |
|
whereas for PAL it maps to the saa7115 odd field. */ |
|
switch (data->id) { |
|
case V4L2_SLICED_WSS_625: |
|
if (saa711x_read(sd, 0x6b) & 0xc0) |
|
return -EIO; |
|
data->data[0] = saa711x_read(sd, 0x6c); |
|
data->data[1] = saa711x_read(sd, 0x6d); |
|
return 0; |
|
case V4L2_SLICED_CAPTION_525: |
|
if (data->field == 0) { |
|
/* CC */ |
|
if (saa711x_read(sd, 0x66) & 0x30) |
|
return -EIO; |
|
data->data[0] = saa711x_read(sd, 0x69); |
|
data->data[1] = saa711x_read(sd, 0x6a); |
|
return 0; |
|
} |
|
/* XDS */ |
|
if (saa711x_read(sd, 0x66) & 0xc0) |
|
return -EIO; |
|
data->data[0] = saa711x_read(sd, 0x67); |
|
data->data[1] = saa711x_read(sd, 0x68); |
|
return 0; |
|
default: |
|
return -EINVAL; |
|
} |
|
} |
|
|
|
static int saa711x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
int reg1f, reg1e; |
|
|
|
/* |
|
* The V4L2 core already initializes std with all supported |
|
* Standards. All driver needs to do is to mask it, to remove |
|
* standards that don't apply from the mask |
|
*/ |
|
|
|
reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC); |
|
|
|
if (state->ident == SAA7115) { |
|
reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC); |
|
|
|
v4l2_dbg(1, debug, sd, "Status byte 1 (0x1e)=0x%02x\n", reg1e); |
|
|
|
switch (reg1e & 0x03) { |
|
case 1: |
|
*std &= V4L2_STD_NTSC; |
|
break; |
|
case 2: |
|
/* |
|
* V4L2_STD_PAL just cover the european PAL standards. |
|
* This is wrong, as the device could also be using an |
|
* other PAL standard. |
|
*/ |
|
*std &= V4L2_STD_PAL | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | |
|
V4L2_STD_PAL_M | V4L2_STD_PAL_60; |
|
break; |
|
case 3: |
|
*std &= V4L2_STD_SECAM; |
|
break; |
|
default: |
|
*std = V4L2_STD_UNKNOWN; |
|
/* Can't detect anything */ |
|
break; |
|
} |
|
} |
|
|
|
v4l2_dbg(1, debug, sd, "Status byte 2 (0x1f)=0x%02x\n", reg1f); |
|
|
|
/* horizontal/vertical not locked */ |
|
if (reg1f & 0x40) { |
|
*std = V4L2_STD_UNKNOWN; |
|
goto ret; |
|
} |
|
|
|
if (reg1f & 0x20) |
|
*std &= V4L2_STD_525_60; |
|
else |
|
*std &= V4L2_STD_625_50; |
|
|
|
ret: |
|
v4l2_dbg(1, debug, sd, "detected std mask = %08Lx\n", *std); |
|
|
|
return 0; |
|
} |
|
|
|
static int saa711x_g_input_status(struct v4l2_subdev *sd, u32 *status) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
int reg1e = 0x80; |
|
int reg1f; |
|
|
|
*status = V4L2_IN_ST_NO_SIGNAL; |
|
if (state->ident == SAA7115) |
|
reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC); |
|
reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC); |
|
if ((reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80) |
|
*status = 0; |
|
return 0; |
|
} |
|
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG |
|
static int saa711x_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) |
|
{ |
|
reg->val = saa711x_read(sd, reg->reg & 0xff); |
|
reg->size = 1; |
|
return 0; |
|
} |
|
|
|
static int saa711x_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) |
|
{ |
|
saa711x_write(sd, reg->reg & 0xff, reg->val & 0xff); |
|
return 0; |
|
} |
|
#endif |
|
|
|
static int saa711x_log_status(struct v4l2_subdev *sd) |
|
{ |
|
struct saa711x_state *state = to_state(sd); |
|
int reg1e, reg1f; |
|
int signalOk; |
|
int vcr; |
|
|
|
v4l2_info(sd, "Audio frequency: %d Hz\n", state->audclk_freq); |
|
if (state->ident != SAA7115) { |
|
/* status for the saa7114 */ |
|
reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC); |
|
signalOk = (reg1f & 0xc1) == 0x81; |
|
v4l2_info(sd, "Video signal: %s\n", signalOk ? "ok" : "bad"); |
|
v4l2_info(sd, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz"); |
|
return 0; |
|
} |
|
|
|
/* status for the saa7115 */ |
|
reg1e = saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC); |
|
reg1f = saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC); |
|
|
|
signalOk = (reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80; |
|
vcr = !(reg1f & 0x10); |
|
|
|
if (state->input >= 6) |
|
v4l2_info(sd, "Input: S-Video %d\n", state->input - 6); |
|
else |
|
v4l2_info(sd, "Input: Composite %d\n", state->input); |
|
v4l2_info(sd, "Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad"); |
|
v4l2_info(sd, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz"); |
|
|
|
switch (reg1e & 0x03) { |
|
case 1: |
|
v4l2_info(sd, "Detected format: NTSC\n"); |
|
break; |
|
case 2: |
|
v4l2_info(sd, "Detected format: PAL\n"); |
|
break; |
|
case 3: |
|
v4l2_info(sd, "Detected format: SECAM\n"); |
|
break; |
|
default: |
|
v4l2_info(sd, "Detected format: BW/No color\n"); |
|
break; |
|
} |
|
v4l2_info(sd, "Width, Height: %d, %d\n", state->width, state->height); |
|
v4l2_ctrl_handler_log_status(&state->hdl, sd->name); |
|
return 0; |
|
} |
|
|
|
/* ----------------------------------------------------------------------- */ |
|
|
|
static const struct v4l2_ctrl_ops saa711x_ctrl_ops = { |
|
.s_ctrl = saa711x_s_ctrl, |
|
.g_volatile_ctrl = saa711x_g_volatile_ctrl, |
|
}; |
|
|
|
static const struct v4l2_subdev_core_ops saa711x_core_ops = { |
|
.log_status = saa711x_log_status, |
|
.reset = saa711x_reset, |
|
.s_gpio = saa711x_s_gpio, |
|
#ifdef CONFIG_VIDEO_ADV_DEBUG |
|
.g_register = saa711x_g_register, |
|
.s_register = saa711x_s_register, |
|
#endif |
|
}; |
|
|
|
static const struct v4l2_subdev_tuner_ops saa711x_tuner_ops = { |
|
.s_radio = saa711x_s_radio, |
|
.g_tuner = saa711x_g_tuner, |
|
}; |
|
|
|
static const struct v4l2_subdev_audio_ops saa711x_audio_ops = { |
|
.s_clock_freq = saa711x_s_clock_freq, |
|
}; |
|
|
|
static const struct v4l2_subdev_video_ops saa711x_video_ops = { |
|
.s_std = saa711x_s_std, |
|
.s_routing = saa711x_s_routing, |
|
.s_crystal_freq = saa711x_s_crystal_freq, |
|
.s_stream = saa711x_s_stream, |
|
.querystd = saa711x_querystd, |
|
.g_input_status = saa711x_g_input_status, |
|
}; |
|
|
|
static const struct v4l2_subdev_vbi_ops saa711x_vbi_ops = { |
|
.g_vbi_data = saa711x_g_vbi_data, |
|
.decode_vbi_line = saa711x_decode_vbi_line, |
|
.g_sliced_fmt = saa711x_g_sliced_fmt, |
|
.s_sliced_fmt = saa711x_s_sliced_fmt, |
|
.s_raw_fmt = saa711x_s_raw_fmt, |
|
}; |
|
|
|
static const struct v4l2_subdev_pad_ops saa711x_pad_ops = { |
|
.set_fmt = saa711x_set_fmt, |
|
}; |
|
|
|
static const struct v4l2_subdev_ops saa711x_ops = { |
|
.core = &saa711x_core_ops, |
|
.tuner = &saa711x_tuner_ops, |
|
.audio = &saa711x_audio_ops, |
|
.video = &saa711x_video_ops, |
|
.vbi = &saa711x_vbi_ops, |
|
.pad = &saa711x_pad_ops, |
|
}; |
|
|
|
#define CHIP_VER_SIZE 16 |
|
|
|
/* ----------------------------------------------------------------------- */ |
|
|
|
static void saa711x_write_platform_data(struct saa711x_state *state, |
|
struct saa7115_platform_data *data) |
|
{ |
|
struct v4l2_subdev *sd = &state->sd; |
|
u8 work; |
|
|
|
if (state->ident != GM7113C && |
|
state->ident != SAA7113) |
|
return; |
|
|
|
if (data->saa7113_r08_htc) { |
|
work = saa711x_read(sd, R_08_SYNC_CNTL); |
|
work &= ~SAA7113_R_08_HTC_MASK; |
|
work |= ((*data->saa7113_r08_htc) << SAA7113_R_08_HTC_OFFSET); |
|
saa711x_write(sd, R_08_SYNC_CNTL, work); |
|
} |
|
|
|
if (data->saa7113_r10_vrln) { |
|
work = saa711x_read(sd, R_10_CHROMA_CNTL_2); |
|
work &= ~SAA7113_R_10_VRLN_MASK; |
|
if (*data->saa7113_r10_vrln) |
|
work |= (1 << SAA7113_R_10_VRLN_OFFSET); |
|
saa711x_write(sd, R_10_CHROMA_CNTL_2, work); |
|
} |
|
|
|
if (data->saa7113_r10_ofts) { |
|
work = saa711x_read(sd, R_10_CHROMA_CNTL_2); |
|
work &= ~SAA7113_R_10_OFTS_MASK; |
|
work |= (*data->saa7113_r10_ofts << SAA7113_R_10_OFTS_OFFSET); |
|
saa711x_write(sd, R_10_CHROMA_CNTL_2, work); |
|
} |
|
|
|
if (data->saa7113_r12_rts0) { |
|
work = saa711x_read(sd, R_12_RT_SIGNAL_CNTL); |
|
work &= ~SAA7113_R_12_RTS0_MASK; |
|
work |= (*data->saa7113_r12_rts0 << SAA7113_R_12_RTS0_OFFSET); |
|
|
|
/* According to the datasheet, |
|
* SAA7113_RTS_DOT_IN should only be used on RTS1 */ |
|
WARN_ON(*data->saa7113_r12_rts0 == SAA7113_RTS_DOT_IN); |
|
saa711x_write(sd, R_12_RT_SIGNAL_CNTL, work); |
|
} |
|
|
|
if (data->saa7113_r12_rts1) { |
|
work = saa711x_read(sd, R_12_RT_SIGNAL_CNTL); |
|
work &= ~SAA7113_R_12_RTS1_MASK; |
|
work |= (*data->saa7113_r12_rts1 << SAA7113_R_12_RTS1_OFFSET); |
|
saa711x_write(sd, R_12_RT_SIGNAL_CNTL, work); |
|
} |
|
|
|
if (data->saa7113_r13_adlsb) { |
|
work = saa711x_read(sd, R_13_RT_X_PORT_OUT_CNTL); |
|
work &= ~SAA7113_R_13_ADLSB_MASK; |
|
if (*data->saa7113_r13_adlsb) |
|
work |= (1 << SAA7113_R_13_ADLSB_OFFSET); |
|
saa711x_write(sd, R_13_RT_X_PORT_OUT_CNTL, work); |
|
} |
|
} |
|
|
|
/** |
|
* saa711x_detect_chip - Detects the saa711x (or clone) variant |
|
* @client: I2C client structure. |
|
* @id: I2C device ID structure. |
|
* @name: Name of the device to be filled. |
|
* |
|
* Detects the Philips/NXP saa711x chip, or some clone of it. |
|
* if 'id' is NULL or id->driver_data is equal to 1, it auto-probes |
|
* the analog demod. |
|
* If the tuner is not found, it returns -ENODEV. |
|
* If auto-detection is disabled and the tuner doesn't match what it was |
|
* required, it returns -EINVAL and fills 'name'. |
|
* If the chip is found, it returns the chip ID and fills 'name'. |
|
*/ |
|
static int saa711x_detect_chip(struct i2c_client *client, |
|
const struct i2c_device_id *id, |
|
char *name) |
|
{ |
|
char chip_ver[CHIP_VER_SIZE]; |
|
char chip_id; |
|
int i; |
|
int autodetect; |
|
|
|
autodetect = !id || id->driver_data == 1; |
|
|
|
/* Read the chip version register */ |
|
for (i = 0; i < CHIP_VER_SIZE; i++) { |
|
i2c_smbus_write_byte_data(client, 0, i); |
|
chip_ver[i] = i2c_smbus_read_byte_data(client, 0); |
|
name[i] = (chip_ver[i] & 0x0f) + '0'; |
|
if (name[i] > '9') |
|
name[i] += 'a' - '9' - 1; |
|
} |
|
name[i] = '\0'; |
|
|
|
/* Check if it is a Philips/NXP chip */ |
|
if (!memcmp(name + 1, "f711", 4)) { |
|
chip_id = name[5]; |
|
snprintf(name, CHIP_VER_SIZE, "saa711%c", chip_id); |
|
|
|
if (!autodetect && strcmp(name, id->name)) |
|
return -EINVAL; |
|
|
|
switch (chip_id) { |
|
case '1': |
|
if (chip_ver[0] & 0xf0) { |
|
snprintf(name, CHIP_VER_SIZE, "saa711%ca", chip_id); |
|
v4l_info(client, "saa7111a variant found\n"); |
|
return SAA7111A; |
|
} |
|
return SAA7111; |
|
case '3': |
|
return SAA7113; |
|
case '4': |
|
return SAA7114; |
|
case '5': |
|
return SAA7115; |
|
case '8': |
|
return SAA7118; |
|
default: |
|
v4l2_info(client, |
|
"WARNING: Philips/NXP chip unknown - Falling back to saa7111\n"); |
|
return SAA7111; |
|
} |
|
} |
|
|
|
/* Check if it is a gm7113c */ |
|
if (!memcmp(name, "0000", 4)) { |
|
chip_id = 0; |
|
for (i = 0; i < 4; i++) { |
|
chip_id = chip_id << 1; |
|
chip_id |= (chip_ver[i] & 0x80) ? 1 : 0; |
|
} |
|
|
|
/* |
|
* Note: From the datasheet, only versions 1 and 2 |
|
* exists. However, tests on a device labeled as: |
|
* "GM7113C 1145" returned "10" on all 16 chip |
|
* version (reg 0x00) reads. So, we need to also |
|
* accept at least version 0. For now, let's just |
|
* assume that a device that returns "0000" for |
|
* the lower nibble is a gm7113c. |
|
*/ |
|
|
|
strscpy(name, "gm7113c", CHIP_VER_SIZE); |
|
|
|
if (!autodetect && strcmp(name, id->name)) |
|
return -EINVAL; |
|
|
|
v4l_dbg(1, debug, client, |
|
"It seems to be a %s chip (%*ph) @ 0x%x.\n", |
|
name, 16, chip_ver, client->addr << 1); |
|
|
|
return GM7113C; |
|
} |
|
|
|
/* Check if it is a CJC7113 */ |
|
if (!memcmp(name, "1111111111111111", CHIP_VER_SIZE)) { |
|
strscpy(name, "cjc7113", CHIP_VER_SIZE); |
|
|
|
if (!autodetect && strcmp(name, id->name)) |
|
return -EINVAL; |
|
|
|
v4l_dbg(1, debug, client, |
|
"It seems to be a %s chip (%*ph) @ 0x%x.\n", |
|
name, 16, chip_ver, client->addr << 1); |
|
|
|
/* CJC7113 seems to be SAA7113-compatible */ |
|
return SAA7113; |
|
} |
|
|
|
/* Chip was not discovered. Return its ID and don't bind */ |
|
v4l_dbg(1, debug, client, "chip %*ph @ 0x%x is unknown.\n", |
|
16, chip_ver, client->addr << 1); |
|
return -ENODEV; |
|
} |
|
|
|
static int saa711x_probe(struct i2c_client *client, |
|
const struct i2c_device_id *id) |
|
{ |
|
struct saa711x_state *state; |
|
struct v4l2_subdev *sd; |
|
struct v4l2_ctrl_handler *hdl; |
|
struct saa7115_platform_data *pdata; |
|
int ident; |
|
char name[CHIP_VER_SIZE + 1]; |
|
#if defined(CONFIG_MEDIA_CONTROLLER) |
|
int ret; |
|
#endif |
|
|
|
/* Check if the adapter supports the needed features */ |
|
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
|
return -EIO; |
|
|
|
ident = saa711x_detect_chip(client, id, name); |
|
if (ident == -EINVAL) { |
|
/* Chip exists, but doesn't match */ |
|
v4l_warn(client, "found %s while %s was expected\n", |
|
name, id->name); |
|
return -ENODEV; |
|
} |
|
if (ident < 0) |
|
return ident; |
|
|
|
strscpy(client->name, name, sizeof(client->name)); |
|
|
|
state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL); |
|
if (state == NULL) |
|
return -ENOMEM; |
|
sd = &state->sd; |
|
v4l2_i2c_subdev_init(sd, client, &saa711x_ops); |
|
|
|
#if defined(CONFIG_MEDIA_CONTROLLER) |
|
state->pads[SAA711X_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; |
|
state->pads[SAA711X_PAD_IF_INPUT].sig_type = PAD_SIGNAL_ANALOG; |
|
state->pads[SAA711X_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; |
|
state->pads[SAA711X_PAD_VID_OUT].sig_type = PAD_SIGNAL_DV; |
|
|
|
sd->entity.function = MEDIA_ENT_F_ATV_DECODER; |
|
|
|
ret = media_entity_pads_init(&sd->entity, SAA711X_NUM_PADS, |
|
state->pads); |
|
if (ret < 0) |
|
return ret; |
|
#endif |
|
|
|
v4l_info(client, "%s found @ 0x%x (%s)\n", name, |
|
client->addr << 1, client->adapter->name); |
|
hdl = &state->hdl; |
|
v4l2_ctrl_handler_init(hdl, 6); |
|
/* add in ascending ID order */ |
|
v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, |
|
V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); |
|
v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, |
|
V4L2_CID_CONTRAST, 0, 127, 1, 64); |
|
v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, |
|
V4L2_CID_SATURATION, 0, 127, 1, 64); |
|
v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, |
|
V4L2_CID_HUE, -128, 127, 1, 0); |
|
state->agc = v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, |
|
V4L2_CID_CHROMA_AGC, 0, 1, 1, 1); |
|
state->gain = v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops, |
|
V4L2_CID_CHROMA_GAIN, 0, 127, 1, 40); |
|
sd->ctrl_handler = hdl; |
|
if (hdl->error) { |
|
int err = hdl->error; |
|
|
|
v4l2_ctrl_handler_free(hdl); |
|
return err; |
|
} |
|
v4l2_ctrl_auto_cluster(2, &state->agc, 0, true); |
|
|
|
state->input = -1; |
|
state->output = SAA7115_IPORT_ON; |
|
state->enable = 1; |
|
state->radio = 0; |
|
state->ident = ident; |
|
|
|
state->audclk_freq = 48000; |
|
|
|
v4l2_dbg(1, debug, sd, "writing init values\n"); |
|
|
|
/* init to 60hz/48khz */ |
|
state->crystal_freq = SAA7115_FREQ_24_576_MHZ; |
|
pdata = client->dev.platform_data; |
|
switch (state->ident) { |
|
case SAA7111: |
|
case SAA7111A: |
|
saa711x_writeregs(sd, saa7111_init); |
|
break; |
|
case GM7113C: |
|
saa711x_writeregs(sd, gm7113c_init); |
|
break; |
|
case SAA7113: |
|
if (pdata && pdata->saa7113_force_gm7113c_init) |
|
saa711x_writeregs(sd, gm7113c_init); |
|
else |
|
saa711x_writeregs(sd, saa7113_init); |
|
break; |
|
default: |
|
state->crystal_freq = SAA7115_FREQ_32_11_MHZ; |
|
saa711x_writeregs(sd, saa7115_init_auto_input); |
|
} |
|
if (state->ident > SAA7111A && state->ident != GM7113C) |
|
saa711x_writeregs(sd, saa7115_init_misc); |
|
|
|
if (pdata) |
|
saa711x_write_platform_data(state, pdata); |
|
|
|
saa711x_set_v4lstd(sd, V4L2_STD_NTSC); |
|
v4l2_ctrl_handler_setup(hdl); |
|
|
|
v4l2_dbg(1, debug, sd, "status: (1E) 0x%02x, (1F) 0x%02x\n", |
|
saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC), |
|
saa711x_read(sd, R_1F_STATUS_BYTE_2_VD_DEC)); |
|
return 0; |
|
} |
|
|
|
/* ----------------------------------------------------------------------- */ |
|
|
|
static int saa711x_remove(struct i2c_client *client) |
|
{ |
|
struct v4l2_subdev *sd = i2c_get_clientdata(client); |
|
|
|
v4l2_device_unregister_subdev(sd); |
|
v4l2_ctrl_handler_free(sd->ctrl_handler); |
|
return 0; |
|
} |
|
|
|
static const struct i2c_device_id saa711x_id[] = { |
|
{ "saa7115_auto", 1 }, /* autodetect */ |
|
{ "saa7111", 0 }, |
|
{ "saa7113", 0 }, |
|
{ "saa7114", 0 }, |
|
{ "saa7115", 0 }, |
|
{ "saa7118", 0 }, |
|
{ "gm7113c", 0 }, |
|
{ } |
|
}; |
|
MODULE_DEVICE_TABLE(i2c, saa711x_id); |
|
|
|
static struct i2c_driver saa711x_driver = { |
|
.driver = { |
|
.name = "saa7115", |
|
}, |
|
.probe = saa711x_probe, |
|
.remove = saa711x_remove, |
|
.id_table = saa711x_id, |
|
}; |
|
|
|
module_i2c_driver(saa711x_driver);
|
|
|