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5
6#ifndef __INTEL_DP_H__
7#define __INTEL_DP_H__
8
9#include <linux/types.h>
10
11#include <drm/i915_drm.h>
12
13#include "i915_reg.h"
14
15enum pipe;
16struct drm_connector_state;
17struct drm_encoder;
18struct drm_i915_private;
19struct drm_modeset_acquire_ctx;
20struct intel_connector;
21struct intel_crtc_state;
22struct intel_digital_port;
23struct intel_dp;
24struct intel_encoder;
25
26struct link_config_limits {
27 int min_clock, max_clock;
28 int min_lane_count, max_lane_count;
29 int min_bpp, max_bpp;
30};
31
32void intel_dp_adjust_compliance_config(struct intel_dp *intel_dp,
33 struct intel_crtc_state *pipe_config,
34 struct link_config_limits *limits);
35bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state,
36 const struct drm_connector_state *conn_state);
37int intel_dp_min_bpp(const struct intel_crtc_state *crtc_state);
38bool intel_dp_port_enabled(struct drm_i915_private *dev_priv,
39 i915_reg_t dp_reg, enum port port,
40 enum pipe *pipe);
41bool intel_dp_init(struct drm_i915_private *dev_priv, i915_reg_t output_reg,
42 enum port port);
43bool intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
44 struct intel_connector *intel_connector);
45void intel_dp_set_link_params(struct intel_dp *intel_dp,
46 int link_rate, u8 lane_count,
47 bool link_mst);
48int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp,
49 int link_rate, u8 lane_count);
50int intel_dp_retrain_link(struct intel_encoder *encoder,
51 struct drm_modeset_acquire_ctx *ctx);
52void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode);
53void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp,
54 const struct intel_crtc_state *crtc_state,
55 bool enable);
56void intel_dp_encoder_reset(struct drm_encoder *encoder);
57void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder);
58void intel_dp_encoder_flush_work(struct drm_encoder *encoder);
59int intel_dp_compute_config(struct intel_encoder *encoder,
60 struct intel_crtc_state *pipe_config,
61 struct drm_connector_state *conn_state);
62bool intel_dp_is_edp(struct intel_dp *intel_dp);
63bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port);
64enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port,
65 bool long_hpd);
66void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state,
67 const struct drm_connector_state *conn_state);
68void intel_edp_backlight_off(const struct drm_connector_state *conn_state);
69void intel_edp_panel_vdd_on(struct intel_dp *intel_dp);
70void intel_edp_panel_on(struct intel_dp *intel_dp);
71void intel_edp_panel_off(struct intel_dp *intel_dp);
72void intel_dp_mst_suspend(struct drm_i915_private *dev_priv);
73void intel_dp_mst_resume(struct drm_i915_private *dev_priv);
74int intel_dp_max_link_rate(struct intel_dp *intel_dp);
75int intel_dp_max_lane_count(struct intel_dp *intel_dp);
76int intel_dp_rate_select(struct intel_dp *intel_dp, int rate);
77void intel_power_sequencer_reset(struct drm_i915_private *dev_priv);
78u32 intel_dp_pack_aux(const u8 *src, int src_bytes);
79
80void intel_edp_drrs_enable(struct intel_dp *intel_dp,
81 const struct intel_crtc_state *crtc_state);
82void intel_edp_drrs_disable(struct intel_dp *intel_dp,
83 const struct intel_crtc_state *crtc_state);
84void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
85 unsigned int frontbuffer_bits);
86void intel_edp_drrs_flush(struct drm_i915_private *dev_priv,
87 unsigned int frontbuffer_bits);
88
89void
90intel_dp_program_link_training_pattern(struct intel_dp *intel_dp,
91 u8 dp_train_pat);
92void
93intel_dp_set_signal_levels(struct intel_dp *intel_dp);
94void intel_dp_set_idle_link_train(struct intel_dp *intel_dp);
95u8
96intel_dp_voltage_max(struct intel_dp *intel_dp);
97u8
98intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, u8 voltage_swing);
99void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
100 u8 *link_bw, u8 *rate_select);
101bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp);
102bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp);
103bool
104intel_dp_get_link_status(struct intel_dp *intel_dp, u8 *link_status);
105u16 intel_dp_dsc_get_output_bpp(int link_clock, u8 lane_count,
106 int mode_clock, int mode_hdisplay);
107u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp, int mode_clock,
108 int mode_hdisplay);
109
110bool intel_dp_read_dpcd(struct intel_dp *intel_dp);
111bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp);
112int intel_dp_link_required(int pixel_clock, int bpp);
113int intel_dp_max_data_rate(int max_link_clock, int max_lanes);
114bool intel_digital_port_connected(struct intel_encoder *encoder);
115void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv,
116 struct intel_digital_port *dig_port);
117
118static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
119{
120 return ~((1 << lane_count) - 1) & 0xf;
121}
122
123#endif
124
