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(unsigned int enable); 13 void exynos_dp_enable_video_mute(unsigned int enable); 14 void exynos_dp_reset(void); 15 void exynos_dp_enable_sw_func(unsigned int enable); 16 unsigned int exynos_dp_set_analog_power_down(unsigned int block, u32 enable); 17 unsigned int exynos_dp_get_pll_lock_status(void); 18 int exynos_dp_init_analog_func(void); 19 void exynos_dp_init_hpd(void); 20 void exynos_dp_init_aux(void); 21 void exynos_dp_config_interrupt(void); 22 unsigned int exynos_dp_get_plug_in_status(void); 23 unsigned int exynos_dp_detect_hpd(void); 24 unsigned int exynos_dp_start_aux_transaction(void); 25 unsigned int exynos_dp_write_byte_to_dpcd(unsigned int reg_addr, 26 unsigned char data); 27 unsigned int exynos_dp_read_byte_from_dpcd(unsigned int reg_addr, 28 unsigned char *data); 29 unsigned int exynos_dp_write_bytes_to_dpcd(unsigned int reg_addr, 30 unsigned int count, 31 unsigned char data[]); 32 unsigned int exynos_dp_read_bytes_from_dpcd( unsigned int reg_addr, 33 unsigned int count, 34 unsigned char data[]); 35 int exynos_dp_select_i2c_device( unsigned int device_addr, 36 unsigned int reg_addr); 37 int exynos_dp_read_byte_from_i2c(unsigned int device_addr, 38 unsigned int reg_addr, unsigned int *data); 39 int exynos_dp_read_bytes_from_i2c(unsigned int device_addr, 40 unsigned int reg_addr, unsigned int count, 41 unsigned char edid[]); 42 void exynos_dp_reset_macro(void); 43 void exynos_dp_set_link_bandwidth(unsigned char bwtype); 44 unsigned char exynos_dp_get_link_bandwidth(void); 45 void exynos_dp_set_lane_count(unsigned char count); 46 unsigned int exynos_dp_get_lane_count(void); 47 unsigned char exynos_dp_get_lanex_pre_emphasis(unsigned char lanecnt); 48 void exynos_dp_set_lane_pre_emphasis(unsigned int level, 49 unsigned char lanecnt); 50 void exynos_dp_set_lanex_pre_emphasis(unsigned char request_val, 51 unsigned char lanecnt); 52 void exynos_dp_set_training_pattern(unsigned int pattern); 53 void exynos_dp_enable_enhanced_mode(unsigned char enable); 54 void exynos_dp_enable_scrambling(unsigned int enable); 55 int exynos_dp_init_video(void); 56 void exynos_dp_config_video_slave_mode(struct edp_video_info *video_info); 57 void exynos_dp_set_video_color_format(struct edp_video_info *video_info); 58 int exynos_dp_config_video_bist(struct edp_device_info *edp_info); 59 unsigned int exynos_dp_is_slave_video_stream_clock_on(void); 60 void exynos_dp_set_video_cr_mn(unsigned int type, unsigned int m_value, 61 unsigned int n_value); 62 void exynos_dp_set_video_timing_mode(unsigned int type); 63 void exynos_dp_enable_video_master(unsigned int enable); 64 void exynos_dp_start_video(void); 65 unsigned int exynos_dp_is_video_stream_on(void); 66 void exynos_dp_set_base_addr(void); 67 68 #endif /* _EXYNOS_DP_LOWLEVEL_H */ 69