256 lines
7.4 KiB
C
256 lines
7.4 KiB
C
/*
|
|
* 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 */
|