Release 4.11 drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
/*
* Header file for Analogix DP (Display Port) core interface driver.
*
* Copyright (C) 2012 Samsung Electronics Co., Ltd.
* Author: Jingoo Han <jg1.han@samsung.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#ifndef _ANALOGIX_DP_CORE_H
#define _ANALOGIX_DP_CORE_H
#include <drm/drm_crtc.h>
#include <drm/drm_dp_helper.h>
#define DP_TIMEOUT_LOOP_COUNT 100
#define MAX_CR_LOOP 5
#define MAX_EQ_LOOP 5
/* DP_MAX_LANE_COUNT */
#define DPCD_ENHANCED_FRAME_CAP(x) (((x) >> 7) & 0x1)
#define DPCD_MAX_LANE_COUNT(x) ((x) & 0x1f)
/* DP_LANE_COUNT_SET */
#define DPCD_LANE_COUNT_SET(x) ((x) & 0x1f)
/* DP_TRAINING_LANE0_SET */
#define DPCD_PRE_EMPHASIS_SET(x) (((x) & 0x3) << 3)
#define DPCD_PRE_EMPHASIS_GET(x) (((x) >> 3) & 0x3)
#define DPCD_VOLTAGE_SWING_SET(x) (((x) & 0x3) << 0)
#define DPCD_VOLTAGE_SWING_GET(x) (((x) >> 0) & 0x3)
enum link_lane_count_type {
LANE_COUNT1 = 1,
LANE_COUNT2 = 2,
LANE_COUNT4 = 4
};
enum link_training_state {
START,
CLOCK_RECOVERY,
EQUALIZER_TRAINING,
FINISHED,
FAILED
};
enum voltage_swing_level {
VOLTAGE_LEVEL_0,
VOLTAGE_LEVEL_1,
VOLTAGE_LEVEL_2,
VOLTAGE_LEVEL_3,
};
enum pre_emphasis_level {
PRE_EMPHASIS_LEVEL_0,
PRE_EMPHASIS_LEVEL_1,
PRE_EMPHASIS_LEVEL_2,
PRE_EMPHASIS_LEVEL_3,
};
enum pattern_set {
PRBS7,
D10_2,
TRAINING_PTN1,
TRAINING_PTN2,
DP_NONE
};
enum color_space {
COLOR_RGB,
COLOR_YCBCR422,
COLOR_YCBCR444
};
enum color_depth {
COLOR_6,
COLOR_8,
COLOR_10,
COLOR_12
};
enum color_coefficient {
COLOR_YCBCR601,
COLOR_YCBCR709
};
enum dynamic_range {
VESA,
CEA
};
enum pll_status {
PLL_UNLOCKED,
PLL_LOCKED
};
enum clock_recovery_m_value_type {
CALCULATED_M,
REGISTER_M
};
enum video_timing_recognition_type {
VIDEO_TIMING_FROM_CAPTURE,
VIDEO_TIMING_FROM_REGISTER
};
enum analog_power_block {
AUX_BLOCK,
CH0_BLOCK,
CH1_BLOCK,
CH2_BLOCK,
CH3_BLOCK,
ANALOG_TOTAL,
POWER_ALL
};
enum dp_irq_type {
DP_IRQ_TYPE_HP_CABLE_IN = BIT(0),
DP_IRQ_TYPE_HP_CABLE_OUT = BIT(1),
DP_IRQ_TYPE_HP_CHANGE = BIT(2),
DP_IRQ_TYPE_UNKNOWN = BIT(3),
};
struct video_info {
char *name;
bool h_sync_polarity;
bool v_sync_polarity;
bool interlaced;
enum color_space color_space;
enum dynamic_range dynamic_range;
enum color_coefficient ycbcr_coeff;
enum color_depth color_depth;
int max_link_rate;
enum link_lane_count_type max_lane_count;
};
struct link_train {
int eq_loop;
int cr_loop[4];
u8 link_rate;
u8 lane_count;
u8 training_lane[4];
enum link_training_state lt_state;
};
struct analogix_dp_device {
struct drm_encoder *encoder;
struct device *dev;
struct drm_device *drm_dev;
struct drm_connector connector;
struct drm_bridge *bridge;
struct drm_dp_aux aux;
struct clk *clock;
unsigned int irq;
void __iomem *reg_base;
struct video_info video_info;
struct link_train link_train;
struct phy *phy;
int dpms_mode;
int hpd_gpio;
bool force_hpd;
bool psr_support;
struct mutex panel_lock;
bool panel_is_modeset;
struct analogix_dp_plat_data *plat_data;
};
/* analogix_dp_reg.c */
void analogix_dp_enable_video_mute(struct analogix_dp_device *dp, bool enable);
void analogix_dp_stop_video(struct analogix_dp_device *dp);
void analogix_dp_lane_swap(struct analogix_dp_device *dp, bool enable);
void analogix_dp_init_analog_param(struct analogix_dp_device *dp);
void analogix_dp_init_interrupt(struct analogix_dp_device *dp);
void analogix_dp_reset(struct analogix_dp_device *dp);
void analogix_dp_swreset(struct analogix_dp_device *dp);
void analogix_dp_config_interrupt(struct analogix_dp_device *dp);
void analogix_dp_mute_hpd_interrupt(struct analogix_dp_device *dp);
void analogix_dp_unmute_hpd_interrupt(struct analogix_dp_device *dp);
enum pll_status analogix_dp_get_pll_lock_status(struct analogix_dp_device *dp);
void analogix_dp_set_pll_power_down(struct analogix_dp_device *dp, bool enable);
void analogix_dp_set_analog_power_down(struct analogix_dp_device *dp,
enum analog_power_block block,
bool enable);
void analogix_dp_init_analog_func(struct analogix_dp_device *dp);
void analogix_dp_init_hpd(struct analogix_dp_device *dp);
void analogix_dp_force_hpd(struct analogix_dp_device *dp);
enum dp_irq_type analogix_dp_get_irq_type(struct analogix_dp_device *dp);
void analogix_dp_clear_hotplug_interrupts(struct analogix_dp_device *dp);
void analogix_dp_reset_aux(struct analogix_dp_device *dp);
void analogix_dp_init_aux(struct analogix_dp_device *dp);
int analogix_dp_get_plug_in_status(struct analogix_dp_device *dp);
void analogix_dp_enable_sw_function(struct analogix_dp_device *dp);
void analogix_dp_set_link_bandwidth(struct analogix_dp_device *dp, u32 bwtype);
void analogix_dp_get_link_bandwidth(struct analogix_dp_device *dp, u32 *bwtype);
void analogix_dp_set_lane_count(struct analogix_dp_device *dp, u32 count);
void analogix_dp_get_lane_count(struct analogix_dp_device *dp, u32 *count);
void analogix_dp_enable_enhanced_mode(struct analogix_dp_device *dp,
bool enable);
void analogix_dp_set_training_pattern(struct analogix_dp_device *dp,
enum pattern_set pattern);
void analogix_dp_set_lane0_pre_emphasis(struct analogix_dp_device *dp,
u32 level);
void analogix_dp_set_lane1_pre_emphasis(struct analogix_dp_device *dp,
u32 level);
void analogix_dp_set_lane2_pre_emphasis(struct analogix_dp_device *dp,
u32 level);
void analogix_dp_set_lane3_pre_emphasis(struct analogix_dp_device *dp,
u32 level);
void analogix_dp_set_lane0_link_training(struct analogix_dp_device *dp,
u32 training_lane);
void analogix_dp_set_lane1_link_training(struct analogix_dp_device *dp,
u32 training_lane);
void analogix_dp_set_lane2_link_training(struct analogix_dp_device *dp,
u32 training_lane);
void analogix_dp_set_lane3_link_training(struct analogix_dp_device *dp,
u32 training_lane);
u32 analogix_dp_get_lane0_link_training(struct analogix_dp_device *dp);
u32 analogix_dp_get_lane1_link_training(struct analogix_dp_device *dp);
u32 analogix_dp_get_lane2_link_training(struct analogix_dp_device *dp);
u32 analogix_dp_get_lane3_link_training(struct analogix_dp_device *dp);
void analogix_dp_reset_macro(struct analogix_dp_device *dp);
void analogix_dp_init_video(struct analogix_dp_device *dp);
void analogix_dp_set_video_color_format(struct analogix_dp_device *dp);
int analogix_dp_is_slave_video_stream_clock_on(struct analogix_dp_device *dp);
void analogix_dp_set_video_cr_mn(struct analogix_dp_device *dp,
enum clock_recovery_m_value_type type,
u32 m_value,
u32 n_value);
void analogix_dp_set_video_timing_mode(struct analogix_dp_device *dp, u32 type);
void analogix_dp_enable_video_master(struct analogix_dp_device *dp,
bool enable);
void analogix_dp_start_video(struct analogix_dp_device *dp);
int analogix_dp_is_video_stream_on(struct analogix_dp_device *dp);
void analogix_dp_config_video_slave_mode(struct analogix_dp_device *dp);
void analogix_dp_enable_scrambling(struct analogix_dp_device *dp);
void analogix_dp_disable_scrambling(struct analogix_dp_device *dp);
void analogix_dp_enable_psr_crc(struct analogix_dp_device *dp);
void analogix_dp_send_psr_spd(struct analogix_dp_device *dp,
struct edp_vsc_psr *vsc);
ssize_t analogix_dp_transfer(struct analogix_dp_device *dp,
struct drm_dp_aux_msg *msg);
#endif /* _ANALOGIX_DP_CORE_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jingoo Han | 676 | 67.60% | 7 | 25.93% |
| Yakir Yang | 239 | 23.90% | 8 | 29.63% |
| Sean Paul | 55 | 5.50% | 6 | 22.22% |
| Tomeu Vizoso | 18 | 1.80% | 1 | 3.70% |
| Ajay Kumar | 5 | 0.50% | 1 | 3.70% |
| Andrew Bresticker | 3 | 0.30% | 1 | 3.70% |
| Andrzej Hajda | 2 | 0.20% | 1 | 3.70% |
| Gustavo Fernando Padovan | 2 | 0.20% | 2 | 7.41% |
| Total | 1000 | 100.00% | 27 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.