drivers/video/exynos_dp_lowlevel.h

   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 */