Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Open Menu / drivers / gpu / drm / i915 / display / intel_dp.h
Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2019 Intel Corporation
 */

#ifndef __INTEL_DP_H__
#define __INTEL_DP_H__

#include <linux/types.h>

enum intel_output_format;
enum pipe;
enum port;
struct drm_connector_state;
struct drm_encoder;
struct drm_i915_private;
struct drm_modeset_acquire_ctx;
struct drm_dp_vsc_sdp;
struct intel_atomic_state;
struct intel_connector;
struct intel_crtc_state;
struct intel_digital_port;
struct intel_dp;
struct intel_encoder;

struct link_config_limits {
	int min_rate, max_rate;
	int min_lane_count, max_lane_count;
	int min_bpp, max_bpp;
};

void intel_edp_fixup_vbt_bpp(struct intel_encoder *encoder, int pipe_bpp);
void intel_dp_adjust_compliance_config(struct intel_dp *intel_dp,
				       struct intel_crtc_state *pipe_config,
				       struct link_config_limits *limits);
bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state,
				  const struct drm_connector_state *conn_state);
int intel_dp_min_bpp(enum intel_output_format output_format);
bool intel_dp_init_connector(struct intel_digital_port *dig_port,
			     struct intel_connector *intel_connector);
void intel_dp_set_link_params(struct intel_dp *intel_dp,
			      int link_rate, int lane_count);
int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp,
					    int link_rate, u8 lane_count);
int intel_dp_get_active_pipes(struct intel_dp *intel_dp,
			      struct drm_modeset_acquire_ctx *ctx,
			      u8 *pipe_mask);
int intel_dp_retrain_link(struct intel_encoder *encoder,
			  struct drm_modeset_acquire_ctx *ctx);
void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode);
void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp,
					   const struct intel_crtc_state *crtc_state);
void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp,
					   const struct intel_crtc_state *crtc_state,
					   bool enable);
void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder);
void intel_dp_encoder_shutdown(struct intel_encoder *intel_encoder);
void intel_dp_encoder_flush_work(struct drm_encoder *encoder);
int intel_dp_compute_config(struct intel_encoder *encoder,
			    struct intel_crtc_state *pipe_config,
			    struct drm_connector_state *conn_state);
int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
				struct intel_crtc_state *pipe_config,
				struct drm_connector_state *conn_state,
				struct link_config_limits *limits,
				int timeslots,
				bool recompute_pipe_bpp);
bool intel_dp_has_hdmi_sink(struct intel_dp *intel_dp);
bool intel_dp_is_edp(struct intel_dp *intel_dp);
bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state);
bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port);
enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port,
				  bool long_hpd);
void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state,
			    const struct drm_connector_state *conn_state);
void intel_edp_backlight_off(const struct drm_connector_state *conn_state);
void intel_edp_fixup_vbt_bpp(struct intel_encoder *encoder, int pipe_bpp);
void intel_dp_mst_suspend(struct drm_i915_private *dev_priv);
void intel_dp_mst_resume(struct drm_i915_private *dev_priv);
int intel_dp_max_link_rate(struct intel_dp *intel_dp);
int intel_dp_max_lane_count(struct intel_dp *intel_dp);
int intel_dp_rate_select(struct intel_dp *intel_dp, int rate);

void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
			   u8 *link_bw, u8 *rate_select);
bool intel_dp_source_supports_tps3(struct drm_i915_private *i915);
bool intel_dp_source_supports_tps4(struct drm_i915_private *i915);

bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp);
int intel_dp_link_required(int pixel_clock, int bpp);
int intel_dp_max_data_rate(int max_link_rate, int max_lanes);
bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp);
bool intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state,
			    const struct drm_connector_state *conn_state);
void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp,
				  const struct intel_crtc_state *crtc_state,
				  const struct drm_connector_state *conn_state,
				  struct drm_dp_vsc_sdp *vsc);
void intel_write_dp_vsc_sdp(struct intel_encoder *encoder,
			    const struct intel_crtc_state *crtc_state,
			    const struct drm_dp_vsc_sdp *vsc);
void intel_dp_set_infoframes(struct intel_encoder *encoder, bool enable,
			     const struct intel_crtc_state *crtc_state,
			     const struct drm_connector_state *conn_state);
void intel_read_dp_sdp(struct intel_encoder *encoder,
		       struct intel_crtc_state *crtc_state,
		       unsigned int type);
bool intel_digital_port_connected(struct intel_encoder *encoder);
int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc);
u16 intel_dp_dsc_get_output_bpp(struct drm_i915_private *i915,
				u32 link_clock, u32 lane_count,
				u32 mode_clock, u32 mode_hdisplay,
				bool bigjoiner,
				u32 pipe_bpp,
				u32 timeslots);
u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,
				int mode_clock, int mode_hdisplay,
				bool bigjoiner);
bool intel_dp_need_bigjoiner(struct intel_dp *intel_dp,
			     int hdisplay, int clock);

static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
{
	return ~((1 << lane_count) - 1) & 0xf;
}

u32 intel_dp_mode_to_fec_clock(u32 mode_clock);
u32 intel_dp_dsc_nearest_valid_bpp(struct drm_i915_private *i915, u32 bpp, u32 pipe_bpp);

void intel_ddi_update_pipe(struct intel_atomic_state *state,
			   struct intel_encoder *encoder,
			   const struct intel_crtc_state *crtc_state,
			   const struct drm_connector_state *conn_state);

bool intel_dp_initial_fastset_check(struct intel_encoder *encoder,
				    struct intel_crtc_state *crtc_state);
void intel_dp_sync_state(struct intel_encoder *encoder,
			 const struct intel_crtc_state *crtc_state);

void intel_dp_check_frl_training(struct intel_dp *intel_dp);
void intel_dp_pcon_dsc_configure(struct intel_dp *intel_dp,
				 const struct intel_crtc_state *crtc_state);
void intel_dp_phy_test(struct intel_encoder *encoder);

void intel_dp_wait_source_oui(struct intel_dp *intel_dp);

#endif /* __INTEL_DP_H__ */