2 * Header file for Analogix DP (Display Port) core interface driver.
4 * Copyright (C) 2012 Samsung Electronics Co., Ltd.
5 * Author: Jingoo Han <jg1.han@samsung.com>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
13 #ifndef _ANALOGIX_DP_CORE_H
14 #define _ANALOGIX_DP_CORE_H
16 #include <drm/drm_crtc.h>
17 #include <drm/drm_dp_helper.h>
19 #define DP_TIMEOUT_LOOP_COUNT 100
23 /* DP_MAX_LANE_COUNT */
24 #define DPCD_ENHANCED_FRAME_CAP(x) (((x) >> 7) & 0x1)
25 #define DPCD_MAX_LANE_COUNT(x) ((x) & 0x1f)
27 /* DP_LANE_COUNT_SET */
28 #define DPCD_LANE_COUNT_SET(x) ((x) & 0x1f)
30 /* DP_TRAINING_LANE0_SET */
31 #define DPCD_PRE_EMPHASIS_SET(x) (((x) & 0x3) << 3)
32 #define DPCD_PRE_EMPHASIS_GET(x) (((x) >> 3) & 0x3)
33 #define DPCD_VOLTAGE_SWING_SET(x) (((x) & 0x3) << 0)
34 #define DPCD_VOLTAGE_SWING_GET(x) (((x) >> 0) & 0x3)
36 enum link_lane_count_type {
42 enum link_training_state {
50 enum voltage_swing_level {
57 enum pre_emphasis_level {
85 enum color_coefficient {
100 enum clock_recovery_m_value_type {
105 enum video_timing_recognition_type {
106 VIDEO_TIMING_FROM_CAPTURE,
107 VIDEO_TIMING_FROM_REGISTER
110 enum analog_power_block {
121 DP_IRQ_TYPE_HP_CABLE_IN = BIT(0),
122 DP_IRQ_TYPE_HP_CABLE_OUT = BIT(1),
123 DP_IRQ_TYPE_HP_CHANGE = BIT(2),
124 DP_IRQ_TYPE_UNKNOWN = BIT(3),
130 bool h_sync_polarity;
131 bool v_sync_polarity;
134 enum color_space color_space;
135 enum dynamic_range dynamic_range;
136 enum color_coefficient ycbcr_coeff;
137 enum color_depth color_depth;
140 enum link_lane_count_type max_lane_count;
151 enum link_training_state lt_state;
154 struct analogix_dp_device {
155 struct drm_encoder *encoder;
157 struct drm_device *drm_dev;
158 struct drm_connector connector;
159 struct drm_bridge *bridge;
160 struct drm_dp_aux aux;
163 void __iomem *reg_base;
165 struct video_info video_info;
166 struct link_train link_train;
173 struct mutex panel_lock;
174 bool panel_is_modeset;
176 struct analogix_dp_plat_data *plat_data;
179 /* analogix_dp_reg.c */
180 void analogix_dp_enable_video_mute(struct analogix_dp_device *dp, bool enable);
181 void analogix_dp_stop_video(struct analogix_dp_device *dp);
182 void analogix_dp_lane_swap(struct analogix_dp_device *dp, bool enable);
183 void analogix_dp_init_analog_param(struct analogix_dp_device *dp);
184 void analogix_dp_init_interrupt(struct analogix_dp_device *dp);
185 void analogix_dp_reset(struct analogix_dp_device *dp);
186 void analogix_dp_swreset(struct analogix_dp_device *dp);
187 void analogix_dp_config_interrupt(struct analogix_dp_device *dp);
188 void analogix_dp_mute_hpd_interrupt(struct analogix_dp_device *dp);
189 void analogix_dp_unmute_hpd_interrupt(struct analogix_dp_device *dp);
190 enum pll_status analogix_dp_get_pll_lock_status(struct analogix_dp_device *dp);
191 void analogix_dp_set_pll_power_down(struct analogix_dp_device *dp, bool enable);
192 void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp,
193 enum analog_power_block block,
195 void analogix_dp_init_analog_func(struct analogix_dp_device *dp);
196 void analogix_dp_init_hpd(struct analogix_dp_device *dp);
197 void analogix_dp_force_hpd(struct analogix_dp_device *dp);
198 enum dp_irq_type analogix_dp_get_irq_type(struct analogix_dp_device *dp);
199 void analogix_dp_clear_hotplug_interrupts(struct analogix_dp_device *dp);
200 void analogix_dp_reset_aux(struct analogix_dp_device *dp);
201 void analogix_dp_init_aux(struct analogix_dp_device *dp);
202 int analogix_dp_get_plug_in_status(struct analogix_dp_device *dp);
203 void analogix_dp_enable_sw_function(struct analogix_dp_device *dp);
204 void analogix_dp_set_link_bandwidth(struct analogix_dp_device *dp, u32 bwtype);
205 void analogix_dp_get_link_bandwidth(struct analogix_dp_device *dp, u32 *bwtype);
206 void analogix_dp_set_lane_count(struct analogix_dp_device *dp, u32 count);
207 void analogix_dp_get_lane_count(struct analogix_dp_device *dp, u32 *count);
208 void analogix_dp_enable_enhanced_mode(struct analogix_dp_device *dp,
210 void analogix_dp_set_training_pattern(struct analogix_dp_device *dp,
211 enum pattern_set pattern);
212 void analogix_dp_set_lane0_pre_emphasis(struct analogix_dp_device *dp,
214 void analogix_dp_set_lane1_pre_emphasis(struct analogix_dp_device *dp,
216 void analogix_dp_set_lane2_pre_emphasis(struct analogix_dp_device *dp,
218 void analogix_dp_set_lane3_pre_emphasis(struct analogix_dp_device *dp,
220 void analogix_dp_set_lane0_link_training(struct analogix_dp_device *dp,
222 void analogix_dp_set_lane1_link_training(struct analogix_dp_device *dp,
224 void analogix_dp_set_lane2_link_training(struct analogix_dp_device *dp,
226 void analogix_dp_set_lane3_link_training(struct analogix_dp_device *dp,
228 u32 analogix_dp_get_lane0_link_training(struct analogix_dp_device *dp);
229 u32 analogix_dp_get_lane1_link_training(struct analogix_dp_device *dp);
230 u32 analogix_dp_get_lane2_link_training(struct analogix_dp_device *dp);
231 u32 analogix_dp_get_lane3_link_training(struct analogix_dp_device *dp);
232 void analogix_dp_reset_macro(struct analogix_dp_device *dp);
233 void analogix_dp_init_video(struct analogix_dp_device *dp);
235 void analogix_dp_set_video_color_format(struct analogix_dp_device *dp);
236 int analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp);
237 void analogix_dp_set_video_cr_mn(struct analogix_dp_device *dp,
238 enum clock_recovery_m_value_type type,
241 void analogix_dp_set_video_timing_mode(struct analogix_dp_device *dp, u32 type);
242 void analogix_dp_enable_video_master(struct analogix_dp_device *dp,
244 void analogix_dp_start_video(struct analogix_dp_device *dp);
245 int analogix_dp_is_video_stream_on(struct analogix_dp_device *dp);
246 void analogix_dp_config_video_slave_mode(struct analogix_dp_device *dp);
247 void analogix_dp_enable_scrambling(struct analogix_dp_device *dp);
248 void analogix_dp_disable_scrambling(struct analogix_dp_device *dp);
249 void analogix_dp_enable_psr_crc(struct analogix_dp_device *dp);
250 void analogix_dp_send_psr_spd(struct analogix_dp_device *dp,
251 struct edp_vsc_psr *vsc);
252 ssize_t analogix_dp_transfer(struct analogix_dp_device *dp,
253 struct drm_dp_aux_msg *msg);
255 #endif /* _ANALOGIX_DP_CORE_H */