| 1 | /* SPDX-License-Identifier: MIT */ | 
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| 2 | /* | 
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| 3 | * Copyright © 2019 Intel Corporation | 
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| 4 | */ | 
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| 5 |  | 
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| 6 | #ifndef __INTEL_DP_H__ | 
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| 7 | #define __INTEL_DP_H__ | 
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| 8 |  | 
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| 9 | #include <linux/types.h> | 
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| 10 |  | 
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| 11 | enum intel_output_format; | 
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| 12 | enum pipe; | 
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| 13 | enum port; | 
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| 14 | struct drm_connector_state; | 
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| 15 | struct drm_dp_vsc_sdp; | 
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| 16 | struct drm_encoder; | 
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| 17 | struct drm_modeset_acquire_ctx; | 
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| 18 | struct intel_atomic_state; | 
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| 19 | struct intel_connector; | 
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| 20 | struct intel_crtc_state; | 
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| 21 | struct intel_digital_port; | 
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| 22 | struct intel_display; | 
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| 23 | struct intel_dp; | 
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| 24 | struct intel_encoder; | 
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| 25 |  | 
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| 26 | struct link_config_limits { | 
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| 27 | int min_rate, max_rate; | 
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| 28 | int min_lane_count, max_lane_count; | 
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| 29 | struct { | 
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| 30 | /* Uncompressed DSC input or link output bpp in 1 bpp units */ | 
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| 31 | int min_bpp, max_bpp; | 
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| 32 | } pipe; | 
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| 33 | struct { | 
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| 34 | /* Compressed or uncompressed link output bpp in 1/16 bpp units */ | 
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| 35 | int min_bpp_x16, max_bpp_x16; | 
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| 36 | } link; | 
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| 37 | }; | 
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| 38 |  | 
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| 39 | void intel_edp_fixup_vbt_bpp(struct intel_encoder *encoder, int pipe_bpp); | 
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| 40 | bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state, | 
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| 41 | const struct drm_connector_state *conn_state); | 
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| 42 | int intel_dp_min_bpp(enum intel_output_format output_format); | 
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| 43 | void intel_dp_init_modeset_retry_work(struct intel_connector *connector); | 
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| 44 | void | 
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| 45 | intel_dp_queue_modeset_retry_for_link(struct intel_atomic_state *state, | 
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| 46 | struct intel_encoder *encoder, | 
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| 47 | const struct intel_crtc_state *crtc_state); | 
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| 48 | bool intel_dp_init_connector(struct intel_digital_port *dig_port, | 
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| 49 | struct intel_connector *intel_connector); | 
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| 50 | void intel_dp_connector_sync_state(struct intel_connector *connector, | 
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| 51 | const struct intel_crtc_state *crtc_state); | 
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| 52 | void intel_dp_set_link_params(struct intel_dp *intel_dp, | 
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| 53 | int link_rate, int lane_count); | 
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| 54 | int intel_dp_get_active_pipes(struct intel_dp *intel_dp, | 
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| 55 | struct drm_modeset_acquire_ctx *ctx, | 
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| 56 | u8 *pipe_mask); | 
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| 57 | void intel_dp_flush_connector_commits(struct intel_connector *connector); | 
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| 58 | void intel_dp_link_check(struct intel_encoder *encoder); | 
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| 59 | void intel_dp_check_link_state(struct intel_dp *intel_dp); | 
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| 60 | void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode); | 
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| 61 | void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp, | 
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| 62 | const struct intel_crtc_state *crtc_state); | 
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| 63 | void intel_dp_sink_enable_decompression(struct intel_atomic_state *state, | 
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| 64 | struct intel_connector *connector, | 
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| 65 | const struct intel_crtc_state *new_crtc_state); | 
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| 66 | void intel_dp_sink_disable_decompression(struct intel_atomic_state *state, | 
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| 67 | struct intel_connector *connector, | 
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| 68 | const struct intel_crtc_state *old_crtc_state); | 
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| 69 | void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder); | 
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| 70 | void intel_dp_encoder_shutdown(struct intel_encoder *intel_encoder); | 
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| 71 | void intel_dp_encoder_flush_work(struct drm_encoder *encoder); | 
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| 72 | int intel_dp_compute_config(struct intel_encoder *encoder, | 
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| 73 | struct intel_crtc_state *pipe_config, | 
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| 74 | struct drm_connector_state *conn_state); | 
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| 75 | int intel_dp_dsc_compute_config(struct intel_dp *intel_dp, | 
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| 76 | struct intel_crtc_state *pipe_config, | 
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| 77 | struct drm_connector_state *conn_state, | 
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| 78 | const struct link_config_limits *limits, | 
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| 79 | int timeslots); | 
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| 80 | void intel_dp_audio_compute_config(struct intel_encoder *encoder, | 
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| 81 | struct intel_crtc_state *pipe_config, | 
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| 82 | struct drm_connector_state *conn_state); | 
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| 83 | bool intel_dp_has_hdmi_sink(struct intel_dp *intel_dp); | 
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| 84 | bool intel_dp_is_edp(struct intel_dp *intel_dp); | 
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| 85 | bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state); | 
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| 86 | bool intel_dp_has_dsc(const struct intel_connector *connector); | 
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| 87 | int intel_dp_link_symbol_size(int rate); | 
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| 88 | int intel_dp_link_symbol_clock(int rate); | 
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| 89 | bool intel_dp_is_port_edp(struct intel_display *display, enum port port); | 
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| 90 | enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port, | 
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| 91 | bool long_hpd); | 
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| 92 | void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state, | 
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| 93 | const struct drm_connector_state *conn_state); | 
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| 94 | void intel_edp_backlight_off(const struct drm_connector_state *conn_state); | 
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| 95 | void intel_edp_fixup_vbt_bpp(struct intel_encoder *encoder, int pipe_bpp); | 
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| 96 | void intel_dp_mst_suspend(struct intel_display *display); | 
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| 97 | void intel_dp_mst_resume(struct intel_display *display); | 
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| 98 | int intel_dp_max_source_lane_count(struct intel_digital_port *dig_port); | 
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| 99 | int intel_dp_max_link_rate(struct intel_dp *intel_dp); | 
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| 100 | int intel_dp_max_lane_count(struct intel_dp *intel_dp); | 
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| 101 | int intel_dp_config_required_rate(const struct intel_crtc_state *crtc_state); | 
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| 102 | int intel_dp_rate_select(struct intel_dp *intel_dp, int rate); | 
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| 103 | int intel_dp_max_common_rate(struct intel_dp *intel_dp); | 
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| 104 | int intel_dp_max_common_lane_count(struct intel_dp *intel_dp); | 
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| 105 | int intel_dp_common_rate(struct intel_dp *intel_dp, int index); | 
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| 106 | int intel_dp_rate_index(const int *rates, int len, int rate); | 
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| 107 | int intel_dp_link_config_index(struct intel_dp *intel_dp, int link_rate, int lane_count); | 
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| 108 | void intel_dp_link_config_get(struct intel_dp *intel_dp, int idx, int *link_rate, int *lane_count); | 
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| 109 | void intel_dp_update_sink_caps(struct intel_dp *intel_dp); | 
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| 110 | void intel_dp_reset_link_params(struct intel_dp *intel_dp); | 
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| 111 |  | 
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| 112 | void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock, | 
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| 113 | u8 *link_bw, u8 *rate_select); | 
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| 114 | bool intel_dp_source_supports_tps3(struct intel_display *display); | 
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| 115 | bool intel_dp_source_supports_tps4(struct intel_display *display); | 
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| 116 |  | 
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| 117 | int intel_dp_link_required(int pixel_clock, int bpp); | 
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| 118 | int intel_dp_effective_data_rate(int pixel_clock, int bpp_x16, | 
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| 119 | int bw_overhead); | 
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| 120 | int intel_dp_max_link_data_rate(struct intel_dp *intel_dp, | 
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| 121 | int max_dprx_rate, int max_dprx_lanes); | 
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| 122 | bool intel_dp_joiner_needs_dsc(struct intel_display *display, | 
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| 123 | int num_joined_pipes); | 
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| 124 | bool intel_dp_has_joiner(struct intel_dp *intel_dp); | 
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| 125 | bool intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state, | 
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| 126 | const struct drm_connector_state *conn_state); | 
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| 127 | void intel_dp_set_infoframes(struct intel_encoder *encoder, bool enable, | 
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| 128 | const struct intel_crtc_state *crtc_state, | 
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| 129 | const struct drm_connector_state *conn_state); | 
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| 130 | void intel_read_dp_sdp(struct intel_encoder *encoder, | 
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| 131 | struct intel_crtc_state *crtc_state, | 
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| 132 | unsigned int type); | 
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| 133 | void intel_digital_port_lock(struct intel_encoder *encoder); | 
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| 134 | void intel_digital_port_unlock(struct intel_encoder *encoder); | 
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| 135 | bool intel_digital_port_connected(struct intel_encoder *encoder); | 
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| 136 | bool intel_digital_port_connected_locked(struct intel_encoder *encoder); | 
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| 137 | int intel_dp_dsc_compute_max_bpp(const struct intel_connector *connector, | 
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| 138 | u8 dsc_max_bpc); | 
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| 139 | u16 intel_dp_dsc_get_max_compressed_bpp(struct intel_display *display, | 
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| 140 | u32 link_clock, u32 lane_count, | 
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| 141 | u32 mode_clock, u32 mode_hdisplay, | 
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| 142 | int num_joined_pipes, | 
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| 143 | enum intel_output_format output_format, | 
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| 144 | u32 pipe_bpp, | 
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| 145 | u32 timeslots); | 
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| 146 | int intel_dp_dsc_sink_min_compressed_bpp(const struct intel_crtc_state *pipe_config); | 
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| 147 | int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector, | 
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| 148 | const struct intel_crtc_state *pipe_config, | 
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| 149 | int bpc); | 
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| 150 | bool intel_dp_dsc_valid_compressed_bpp(struct intel_dp *intel_dp, int bpp_x16); | 
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| 151 | u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, | 
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| 152 | int mode_clock, int mode_hdisplay, | 
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| 153 | int num_joined_pipes); | 
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| 154 | int intel_dp_num_joined_pipes(struct intel_dp *intel_dp, | 
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| 155 | struct intel_connector *connector, | 
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| 156 | int hdisplay, int clock); | 
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| 157 |  | 
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| 158 | static inline unsigned int intel_dp_unused_lane_mask(int lane_count) | 
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| 159 | { | 
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| 160 | return ~((1 << lane_count) - 1) & 0xf; | 
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| 161 | } | 
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| 162 |  | 
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| 163 | bool intel_dp_supports_fec(struct intel_dp *intel_dp, | 
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| 164 | const struct intel_connector *connector, | 
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| 165 | const struct intel_crtc_state *pipe_config); | 
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| 166 | u32 intel_dp_mode_to_fec_clock(u32 mode_clock); | 
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| 167 | int intel_dp_bw_fec_overhead(bool fec_enabled); | 
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| 168 |  | 
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| 169 | bool intel_dp_supports_fec(struct intel_dp *intel_dp, | 
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| 170 | const struct intel_connector *connector, | 
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| 171 | const struct intel_crtc_state *pipe_config); | 
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| 172 |  | 
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| 173 | bool intel_dp_supports_dsc(struct intel_dp *intel_dp, | 
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| 174 | const struct intel_connector *connector, | 
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| 175 | const struct intel_crtc_state *crtc_state); | 
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| 176 |  | 
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| 177 | void intel_ddi_update_pipe(struct intel_atomic_state *state, | 
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| 178 | struct intel_encoder *encoder, | 
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| 179 | const struct intel_crtc_state *crtc_state, | 
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| 180 | const struct drm_connector_state *conn_state); | 
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| 181 |  | 
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| 182 | bool intel_dp_initial_fastset_check(struct intel_encoder *encoder, | 
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| 183 | struct intel_crtc_state *crtc_state); | 
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| 184 | void intel_dp_sync_state(struct intel_encoder *encoder, | 
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| 185 | const struct intel_crtc_state *crtc_state); | 
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| 186 |  | 
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| 187 | void intel_dp_check_frl_training(struct intel_dp *intel_dp); | 
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| 188 | void intel_dp_pcon_dsc_configure(struct intel_dp *intel_dp, | 
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| 189 | const struct intel_crtc_state *crtc_state); | 
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| 190 |  | 
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| 191 | void intel_dp_invalidate_source_oui(struct intel_dp *intel_dp); | 
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| 192 | void intel_dp_wait_source_oui(struct intel_dp *intel_dp); | 
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| 193 | int intel_dp_output_bpp(enum intel_output_format output_format, int bpp); | 
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| 194 |  | 
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| 195 | bool intel_dp_compute_config_limits(struct intel_dp *intel_dp, | 
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| 196 | struct drm_connector_state *conn_state, | 
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| 197 | struct intel_crtc_state *crtc_state, | 
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| 198 | bool respect_downstream_limits, | 
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| 199 | bool dsc, | 
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| 200 | struct link_config_limits *limits); | 
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| 201 |  | 
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| 202 | void intel_dp_get_dsc_sink_cap(u8 dpcd_rev, struct intel_connector *connector); | 
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| 203 | bool intel_dp_has_gamut_metadata_dip(struct intel_encoder *encoder); | 
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| 204 |  | 
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| 205 | bool intel_dp_link_params_valid(struct intel_dp *intel_dp, int link_rate, | 
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| 206 | u8 lane_count); | 
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| 207 | bool intel_dp_has_connector(struct intel_dp *intel_dp, | 
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| 208 | const struct drm_connector_state *conn_state); | 
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| 209 | int intel_dp_dsc_max_src_input_bpc(struct intel_display *display); | 
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| 210 | int intel_dp_dsc_min_src_input_bpc(void); | 
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| 211 | int intel_dp_dsc_min_src_compressed_bpp(void); | 
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| 212 | int intel_dp_compute_min_hblank(struct intel_crtc_state *crtc_state, | 
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| 213 | const struct drm_connector_state *conn_state); | 
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| 214 |  | 
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| 215 | int intel_dp_dsc_bpp_step_x16(const struct intel_connector *connector); | 
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| 216 | void intel_dp_dpcd_set_probe(struct intel_dp *intel_dp, bool force_on_external); | 
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| 217 | bool intel_dp_in_hdr_mode(const struct drm_connector_state *conn_state); | 
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| 218 |  | 
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| 219 | #endif /* __INTEL_DP_H__ */ | 
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| 220 |  | 
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