1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * Copyright (C) 2012 Samsung Electronics 4 * 5 * Author: Donghwa Lee <dh09.lee@samsung.com> 6 */ 7 8#ifndef _EXYNOS_EDP_LOWLEVEL_H 9#define _EXYNOS_EDP_LOWLEVEL_H 10 11void exynos_dp_enable_video_bist(struct exynos_dp *dp_regs, 12 unsigned int enable); 13void exynos_dp_enable_video_mute(struct exynos_dp *dp_regs, 14 unsigned int enable); 15void exynos_dp_reset(struct exynos_dp *dp_regs); 16void exynos_dp_enable_sw_func(struct exynos_dp *dp_regs, unsigned int enable); 17unsigned int exynos_dp_set_analog_power_down(struct exynos_dp *dp_regs, 18 unsigned int block, u32 enable); 19unsigned int exynos_dp_get_pll_lock_status(struct exynos_dp *dp_regs); 20int exynos_dp_init_analog_func(struct exynos_dp *dp_regs); 21void exynos_dp_init_hpd(struct exynos_dp *dp_regs); 22void exynos_dp_init_aux(struct exynos_dp *dp_regs); 23void exynos_dp_config_interrupt(struct exynos_dp *dp_regs); 24unsigned int exynos_dp_get_plug_in_status(struct exynos_dp *dp_regs); 25unsigned int exynos_dp_detect_hpd(struct exynos_dp *dp_regs); 26unsigned int exynos_dp_start_aux_transaction(struct exynos_dp *dp_regs); 27unsigned int exynos_dp_write_byte_to_dpcd(struct exynos_dp *dp_regs, 28 unsigned int reg_addr, 29 unsigned char data); 30unsigned int exynos_dp_read_byte_from_dpcd(struct exynos_dp *dp_regs, 31 unsigned int reg_addr, 32 unsigned char *data); 33unsigned int exynos_dp_write_bytes_to_dpcd(struct exynos_dp *dp_regs, 34 unsigned int reg_addr, 35 unsigned int count, 36 unsigned char data[]); 37unsigned int exynos_dp_read_bytes_from_dpcd(struct exynos_dp *dp_regs, 38 unsigned int reg_addr, 39 unsigned int count, 40 unsigned char data[]); 41int exynos_dp_select_i2c_device(struct exynos_dp *dp_regs, 42 unsigned int device_addr, 43 unsigned int reg_addr); 44int exynos_dp_read_byte_from_i2c(struct exynos_dp *dp_regs, 45 unsigned int device_addr, 46 unsigned int reg_addr, unsigned int *data); 47int exynos_dp_read_bytes_from_i2c(struct exynos_dp *dp_regs, 48 unsigned int device_addr, 49 unsigned int reg_addr, unsigned int count, 50 unsigned char edid[]); 51void exynos_dp_reset_macro(struct exynos_dp *dp_regs); 52void exynos_dp_set_link_bandwidth(struct exynos_dp *dp_regs, 53 unsigned char bwtype); 54unsigned char exynos_dp_get_link_bandwidth(struct exynos_dp *dp_regs); 55void exynos_dp_set_lane_count(struct exynos_dp *dp_regs, unsigned char count); 56unsigned int exynos_dp_get_lane_count(struct exynos_dp *dp_regs); 57unsigned char exynos_dp_get_lanex_pre_emphasis(struct exynos_dp *dp_regs, 58 unsigned char lanecnt); 59void exynos_dp_set_lane_pre_emphasis(struct exynos_dp *dp_regs, 60 unsigned int level, unsigned char lanecnt); 61void exynos_dp_set_lanex_pre_emphasis(struct exynos_dp *dp_regs, 62 unsigned char request_val, 63 unsigned char lanecnt); 64void exynos_dp_set_training_pattern(struct exynos_dp *dp_regs, 65 unsigned int pattern); 66void exynos_dp_enable_enhanced_mode(struct exynos_dp *dp_regs, 67 unsigned char enable); 68void exynos_dp_enable_scrambling(struct exynos_dp *dp_regs, 69 unsigned int enable); 70int exynos_dp_init_video(struct exynos_dp *dp_regs); 71void exynos_dp_config_video_slave_mode(struct exynos_dp *dp_regs, 72 struct edp_video_info *video_info); 73void exynos_dp_set_video_color_format(struct exynos_dp *dp_regs, 74 struct edp_video_info *video_info); 75int exynos_dp_config_video_bist(struct exynos_dp *dp_regs, 76 struct exynos_dp_priv *priv); 77unsigned int exynos_dp_is_slave_video_stream_clock_on( 78 struct exynos_dp *dp_regs); 79void exynos_dp_set_video_cr_mn(struct exynos_dp *dp_regs, unsigned int type, 80 unsigned int m_value, unsigned int n_value); 81void exynos_dp_set_video_timing_mode(struct exynos_dp *dp_regs, 82 unsigned int type); 83void exynos_dp_enable_video_master(struct exynos_dp *dp_regs, 84 unsigned int enable); 85void exynos_dp_start_video(struct exynos_dp *dp_regs); 86unsigned int exynos_dp_is_video_stream_on(struct exynos_dp *dp_regs); 87 88#endif /* _EXYNOS_DP_LOWLEVEL_H */ 89