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5
6#ifndef __INTEL_DP_H__
7#define __INTEL_DP_H__
8
9#include <linux/types.h>
10
11#include "i915_reg.h"
12
13enum intel_output_format;
14enum pipe;
15enum port;
16struct drm_connector_state;
17struct drm_encoder;
18struct drm_i915_private;
19struct drm_modeset_acquire_ctx;
20struct drm_dp_vsc_sdp;
21struct intel_atomic_state;
22struct intel_connector;
23struct intel_crtc_state;
24struct intel_digital_port;
25struct intel_dp;
26struct intel_encoder;
27
28struct link_config_limits {
29 int min_clock, max_clock;
30 int min_lane_count, max_lane_count;
31 int min_bpp, max_bpp;
32};
33
34void intel_dp_adjust_compliance_config(struct intel_dp *intel_dp,
35 struct intel_crtc_state *pipe_config,
36 struct link_config_limits *limits);
37bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state,
38 const struct drm_connector_state *conn_state);
39int intel_dp_min_bpp(enum intel_output_format output_format);
40bool intel_dp_init_connector(struct intel_digital_port *dig_port,
41 struct intel_connector *intel_connector);
42void intel_dp_set_link_params(struct intel_dp *intel_dp,
43 int link_rate, int lane_count);
44int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp,
45 int link_rate, u8 lane_count);
46int intel_dp_retrain_link(struct intel_encoder *encoder,
47 struct drm_modeset_acquire_ctx *ctx);
48void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode);
49void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp,
50 const struct intel_crtc_state *crtc_state);
51void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp,
52 const struct intel_crtc_state *crtc_state,
53 bool enable);
54void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder);
55void intel_dp_encoder_shutdown(struct intel_encoder *intel_encoder);
56void intel_dp_encoder_flush_work(struct drm_encoder *encoder);
57int intel_dp_compute_config(struct intel_encoder *encoder,
58 struct intel_crtc_state *pipe_config,
59 struct drm_connector_state *conn_state);
60bool intel_dp_is_edp(struct intel_dp *intel_dp);
61bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port);
62enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port,
63 bool long_hpd);
64void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state,
65 const struct drm_connector_state *conn_state);
66void intel_edp_backlight_off(const struct drm_connector_state *conn_state);
67void intel_dp_mst_suspend(struct drm_i915_private *dev_priv);
68void intel_dp_mst_resume(struct drm_i915_private *dev_priv);
69int intel_dp_max_link_rate(struct intel_dp *intel_dp);
70int intel_dp_max_lane_count(struct intel_dp *intel_dp);
71int intel_dp_rate_select(struct intel_dp *intel_dp, int rate);
72
73void intel_edp_drrs_enable(struct intel_dp *intel_dp,
74 const struct intel_crtc_state *crtc_state);
75void intel_edp_drrs_disable(struct intel_dp *intel_dp,
76 const struct intel_crtc_state *crtc_state);
77void intel_edp_drrs_update(struct intel_dp *intel_dp,
78 const struct intel_crtc_state *crtc_state);
79void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
80 unsigned int frontbuffer_bits);
81void intel_edp_drrs_flush(struct drm_i915_private *dev_priv,
82 unsigned int frontbuffer_bits);
83
84void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
85 u8 *link_bw, u8 *rate_select);
86bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp);
87bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp);
88
89bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp);
90int intel_dp_link_required(int pixel_clock, int bpp);
91int intel_dp_max_data_rate(int max_link_clock, int max_lanes);
92bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp);
93bool intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state,
94 const struct drm_connector_state *conn_state);
95void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp,
96 const struct intel_crtc_state *crtc_state,
97 const struct drm_connector_state *conn_state,
98 struct drm_dp_vsc_sdp *vsc);
99void intel_write_dp_vsc_sdp(struct intel_encoder *encoder,
100 const struct intel_crtc_state *crtc_state,
101 struct drm_dp_vsc_sdp *vsc);
102void intel_dp_set_infoframes(struct intel_encoder *encoder, bool enable,
103 const struct intel_crtc_state *crtc_state,
104 const struct drm_connector_state *conn_state);
105void intel_read_dp_sdp(struct intel_encoder *encoder,
106 struct intel_crtc_state *crtc_state,
107 unsigned int type);
108bool intel_digital_port_connected(struct intel_encoder *encoder);
109
110static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
111{
112 return ~((1 << lane_count) - 1) & 0xf;
113}
114
115u32 intel_dp_mode_to_fec_clock(u32 mode_clock);
116
117void intel_ddi_update_pipe(struct intel_atomic_state *state,
118 struct intel_encoder *encoder,
119 const struct intel_crtc_state *crtc_state,
120 const struct drm_connector_state *conn_state);
121
122bool intel_dp_initial_fastset_check(struct intel_encoder *encoder,
123 struct intel_crtc_state *crtc_state);
124void intel_dp_sync_state(struct intel_encoder *encoder,
125 const struct intel_crtc_state *crtc_state);
126
127void intel_dp_check_frl_training(struct intel_dp *intel_dp);
128void intel_dp_pcon_dsc_configure(struct intel_dp *intel_dp,
129 const struct intel_crtc_state *crtc_state);
130void intel_dp_phy_test(struct intel_encoder *encoder);
131
132#endif
133
