// SPDX-License-Identifier: GPL-2.0-or-later /* * saa7127 - Philips SAA7127/SAA7129 video encoder driver * * Copyright (C) 2003 Roy Bulter <[email protected]> * * Based on SAA7126 video encoder driver by Gillem & Andreas Oberritter * * Copyright (C) 2000-2001 Gillem <[email protected]> * Copyright (C) 2002 Andreas Oberritter <[email protected]> * * Based on Stadis 4:2:2 MPEG-2 Decoder Driver by Nathan Laredo * * Copyright (C) 1999 Nathan Laredo <[email protected]> * * This driver is designed for the Hauppauge 250/350 Linux driver * from the ivtv Project * * Copyright (C) 2003 Kevin Thayer <[email protected]> * * Dual output support: * Copyright (C) 2004 Eric Varsanyi * * NTSC Tuning and 7.5 IRE Setup * Copyright (C) 2004 Chris Kennedy <[email protected]> * * VBI additions & cleanup: * Copyright (C) 2004, 2005 Hans Verkuil <[email protected]> * * Note: the saa7126 is identical to the saa7127, and the saa7128 is * identical to the saa7129, except that the saa7126 and saa7128 have * macrovision anti-taping support. This driver will almost certainly * work fine for those chips, except of course for the missing anti-taping * support. */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/i2c.h> #include <linux/videodev2.h> #include <media/v4l2-device.h> #include <media/i2c/saa7127.h> static int debug; static int test_image; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …; module_param(debug, int, 0644); module_param(test_image, int, 0644); MODULE_PARM_DESC(…) …; MODULE_PARM_DESC(…) …; /* * SAA7127 registers */ #define SAA7127_REG_STATUS … #define SAA7127_REG_WIDESCREEN_CONFIG … #define SAA7127_REG_WIDESCREEN_ENABLE … #define SAA7127_REG_BURST_START … #define SAA7127_REG_BURST_END … #define SAA7127_REG_COPYGEN_0 … #define SAA7127_REG_COPYGEN_1 … #define SAA7127_REG_COPYGEN_2 … #define SAA7127_REG_OUTPUT_PORT_CONTROL … #define SAA7127_REG_GAIN_LUMINANCE_RGB … #define SAA7127_REG_GAIN_COLORDIFF_RGB … #define SAA7127_REG_INPUT_PORT_CONTROL_1 … #define SAA7129_REG_FADE_KEY_COL2 … #define SAA7127_REG_CHROMA_PHASE … #define SAA7127_REG_GAINU … #define SAA7127_REG_GAINV … #define SAA7127_REG_BLACK_LEVEL … #define SAA7127_REG_BLANKING_LEVEL … #define SAA7127_REG_VBI_BLANKING … #define SAA7127_REG_DAC_CONTROL … #define SAA7127_REG_BURST_AMP … #define SAA7127_REG_SUBC3 … #define SAA7127_REG_SUBC2 … #define SAA7127_REG_SUBC1 … #define SAA7127_REG_SUBC0 … #define SAA7127_REG_LINE_21_ODD_0 … #define SAA7127_REG_LINE_21_ODD_1 … #define SAA7127_REG_LINE_21_EVEN_0 … #define SAA7127_REG_LINE_21_EVEN_1 … #define SAA7127_REG_RCV_PORT_CONTROL … #define SAA7127_REG_VTRIG … #define SAA7127_REG_HTRIG_HI … #define SAA7127_REG_MULTI … #define SAA7127_REG_CLOSED_CAPTION … #define SAA7127_REG_RCV2_OUTPUT_START … #define SAA7127_REG_RCV2_OUTPUT_END … #define SAA7127_REG_RCV2_OUTPUT_MSBS … #define SAA7127_REG_TTX_REQUEST_H_START … #define SAA7127_REG_TTX_REQUEST_H_DELAY_LENGTH … #define SAA7127_REG_CSYNC_ADVANCE_VSYNC_SHIFT … #define SAA7127_REG_TTX_ODD_REQ_VERT_START … #define SAA7127_REG_TTX_ODD_REQ_VERT_END … #define SAA7127_REG_TTX_EVEN_REQ_VERT_START … #define SAA7127_REG_TTX_EVEN_REQ_VERT_END … #define SAA7127_REG_FIRST_ACTIVE … #define SAA7127_REG_LAST_ACTIVE … #define SAA7127_REG_MSB_VERTICAL … #define SAA7127_REG_DISABLE_TTX_LINE_LO_0 … #define SAA7127_REG_DISABLE_TTX_LINE_LO_1 … /* ********************************************************************** * * Arrays with configuration parameters for the SAA7127 * ********************************************************************** */ struct i2c_reg_value { … }; static const struct i2c_reg_value saa7129_init_config_extra[] = …; static const struct i2c_reg_value saa7127_init_config_common[] = …; #define SAA7127_60HZ_DAC_CONTROL … static const struct i2c_reg_value saa7127_init_config_60hz[] = …; #define SAA7127_50HZ_PAL_DAC_CONTROL … static struct i2c_reg_value saa7127_init_config_50hz_pal[] = …; #define SAA7127_50HZ_SECAM_DAC_CONTROL … static struct i2c_reg_value saa7127_init_config_50hz_secam[] = …; /* ********************************************************************** * * Encoder Struct, holds the configuration state of the encoder * ********************************************************************** */ enum saa712x_model { … }; struct saa7127_state { … }; static inline struct saa7127_state *to_state(struct v4l2_subdev *sd) { … } static const char * const output_strs[] = …; static const char * const wss_strs[] = …; /* ----------------------------------------------------------------------- */ static int saa7127_read(struct v4l2_subdev *sd, u8 reg) { … } /* ----------------------------------------------------------------------- */ static int saa7127_write(struct v4l2_subdev *sd, u8 reg, u8 val) { … } /* ----------------------------------------------------------------------- */ static int saa7127_write_inittab(struct v4l2_subdev *sd, const struct i2c_reg_value *regs) { … } /* ----------------------------------------------------------------------- */ static int saa7127_set_vps(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *data) { … } /* ----------------------------------------------------------------------- */ static int saa7127_set_cc(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *data) { … } /* ----------------------------------------------------------------------- */ static int saa7127_set_xds(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *data) { … } /* ----------------------------------------------------------------------- */ static int saa7127_set_wss(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *data) { … } /* ----------------------------------------------------------------------- */ static int saa7127_set_video_enable(struct v4l2_subdev *sd, int enable) { … } /* ----------------------------------------------------------------------- */ static int saa7127_set_std(struct v4l2_subdev *sd, v4l2_std_id std) { … } /* ----------------------------------------------------------------------- */ static int saa7127_set_output_type(struct v4l2_subdev *sd, int output) { … } /* ----------------------------------------------------------------------- */ static int saa7127_set_input_type(struct v4l2_subdev *sd, int input) { … } /* ----------------------------------------------------------------------- */ static int saa7127_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std) { … } static int saa7127_s_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) { … } static int saa7127_s_stream(struct v4l2_subdev *sd, int enable) { … } static int saa7127_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt) { … } static int saa7127_s_vbi_data(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *data) { … } #ifdef CONFIG_VIDEO_ADV_DEBUG static int saa7127_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) { … } static int saa7127_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) { … } #endif static int saa7127_log_status(struct v4l2_subdev *sd) { … } /* ----------------------------------------------------------------------- */ static const struct v4l2_subdev_core_ops saa7127_core_ops = …; static const struct v4l2_subdev_video_ops saa7127_video_ops = …; static const struct v4l2_subdev_vbi_ops saa7127_vbi_ops = …; static const struct v4l2_subdev_ops saa7127_ops = …; /* ----------------------------------------------------------------------- */ static int saa7127_probe(struct i2c_client *client) { … } /* ----------------------------------------------------------------------- */ static void saa7127_remove(struct i2c_client *client) { … } /* ----------------------------------------------------------------------- */ static const struct i2c_device_id saa7127_id[] = …; MODULE_DEVICE_TABLE(i2c, saa7127_id); static struct i2c_driver saa7127_driver = …; module_i2c_driver(…) …;
Codebase Browser
linux