2 * Copyright (C) 2012 Samsung Electronics
4 * Author: Donghwa Lee <dh09.lee@samsung.com>
6 * SPDX-License-Identifier: GPL-2.0+
9 #ifndef _EXYNOS_EDP_LOWLEVEL_H
10 #define _EXYNOS_EDP_LOWLEVEL_H
12 void exynos_dp_enable_video_bist(struct exynos_dp *dp_regs,
14 void exynos_dp_enable_video_mute(struct exynos_dp *dp_regs,
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,
31 unsigned int exynos_dp_read_byte_from_dpcd(struct exynos_dp *dp_regs,
32 unsigned int reg_addr,
34 unsigned int exynos_dp_write_bytes_to_dpcd(struct exynos_dp *dp_regs,
35 unsigned int reg_addr,
37 unsigned char data[]);
38 unsigned int exynos_dp_read_bytes_from_dpcd(struct exynos_dp *dp_regs,
39 unsigned int reg_addr,
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,
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 edp_device_info *edp_info);
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,
84 void exynos_dp_enable_video_master(struct exynos_dp *dp_regs,
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);
89 #endif /* _EXYNOS_DP_LOWLEVEL_H */