1 /* 2 * Copyright (C) 2012 Samsung Electronics 3 * 4 * Author: Donghwa Lee <dh09.lee@samsung.com> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9 #ifndef _EXYNOS_EDP_LOWLEVEL_H 10 #define _EXYNOS_EDP_LOWLEVEL_H 11 12 void exynos_dp_enable_video_bist(struct exynos_dp *dp_regs, 13 unsigned int enable); 14 void exynos_dp_enable_video_mute(struct exynos_dp *dp_regs, 15 unsigned int enable); 16 void exynos_dp_reset(struct exynos_dp *dp_regs); 17 void exynos_dp_enable_sw_func(struct exynos_dp *dp_regs, unsigned int enable); 18 unsigned int exynos_dp_set_analog_power_down(struct exynos_dp *dp_regs, 19 unsigned int block, u32 enable); 20 unsigned int exynos_dp_get_pll_lock_status(struct exynos_dp *dp_regs); 21 int exynos_dp_init_analog_func(struct exynos_dp *dp_regs); 22 void exynos_dp_init_hpd(struct exynos_dp *dp_regs); 23 void exynos_dp_init_aux(struct exynos_dp *dp_regs); 24 void exynos_dp_config_interrupt(struct exynos_dp *dp_regs); 25 unsigned int exynos_dp_get_plug_in_status(struct exynos_dp *dp_regs); 26 unsigned int exynos_dp_detect_hpd(struct exynos_dp *dp_regs); 27 unsigned int exynos_dp_start_aux_transaction(struct exynos_dp *dp_regs); 28 unsigned int exynos_dp_write_byte_to_dpcd(struct exynos_dp *dp_regs, 29 unsigned int reg_addr, 30 unsigned char data); 31 unsigned int exynos_dp_read_byte_from_dpcd(struct exynos_dp *dp_regs, 32 unsigned int reg_addr, 33 unsigned char *data); 34 unsigned int exynos_dp_write_bytes_to_dpcd(struct exynos_dp *dp_regs, 35 unsigned int reg_addr, 36 unsigned int count, 37 unsigned char data[]); 38 unsigned int exynos_dp_read_bytes_from_dpcd(struct exynos_dp *dp_regs, 39 unsigned int reg_addr, 40 unsigned int count, 41 unsigned char data[]); 42 int exynos_dp_select_i2c_device(struct exynos_dp *dp_regs, 43 unsigned int device_addr, 44 unsigned int reg_addr); 45 int exynos_dp_read_byte_from_i2c(struct exynos_dp *dp_regs, 46 unsigned int device_addr, 47 unsigned int reg_addr, unsigned int *data); 48 int exynos_dp_read_bytes_from_i2c(struct exynos_dp *dp_regs, 49 unsigned int device_addr, 50 unsigned int reg_addr, unsigned int count, 51 unsigned char edid[]); 52 void exynos_dp_reset_macro(struct exynos_dp *dp_regs); 53 void exynos_dp_set_link_bandwidth(struct exynos_dp *dp_regs, 54 unsigned char bwtype); 55 unsigned char exynos_dp_get_link_bandwidth(struct exynos_dp *dp_regs); 56 void exynos_dp_set_lane_count(struct exynos_dp *dp_regs, unsigned char count); 57 unsigned int exynos_dp_get_lane_count(struct exynos_dp *dp_regs); 58 unsigned char exynos_dp_get_lanex_pre_emphasis(struct exynos_dp *dp_regs, 59 unsigned char lanecnt); 60 void exynos_dp_set_lane_pre_emphasis(struct exynos_dp *dp_regs, 61 unsigned int level, unsigned char lanecnt); 62 void exynos_dp_set_lanex_pre_emphasis(struct exynos_dp *dp_regs, 63 unsigned char request_val, 64 unsigned char lanecnt); 65 void exynos_dp_set_training_pattern(struct exynos_dp *dp_regs, 66 unsigned int pattern); 67 void exynos_dp_enable_enhanced_mode(struct exynos_dp *dp_regs, 68 unsigned char enable); 69 void exynos_dp_enable_scrambling(struct exynos_dp *dp_regs, 70 unsigned int enable); 71 int exynos_dp_init_video(struct exynos_dp *dp_regs); 72 void exynos_dp_config_video_slave_mode(struct exynos_dp *dp_regs, 73 struct edp_video_info *video_info); 74 void exynos_dp_set_video_color_format(struct exynos_dp *dp_regs, 75 struct edp_video_info *video_info); 76 int exynos_dp_config_video_bist(struct exynos_dp *dp_regs, 77 struct exynos_dp_priv *priv); 78 unsigned int exynos_dp_is_slave_video_stream_clock_on( 79 struct exynos_dp *dp_regs); 80 void exynos_dp_set_video_cr_mn(struct exynos_dp *dp_regs, unsigned int type, 81 unsigned int m_value, unsigned int n_value); 82 void exynos_dp_set_video_timing_mode(struct exynos_dp *dp_regs, 83 unsigned int type); 84 void exynos_dp_enable_video_master(struct exynos_dp *dp_regs, 85 unsigned int enable); 86 void exynos_dp_start_video(struct exynos_dp *dp_regs); 87 unsigned int exynos_dp_is_video_stream_on(struct exynos_dp *dp_regs); 88 89 #endif /* _EXYNOS_DP_LOWLEVEL_H */ 90