124 lines
4.9 KiB
C
124 lines
4.9 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_DP_H__
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#define __INTEL_DP_H__
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#include <linux/types.h>
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#include "i915_reg.h"
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enum intel_output_format;
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enum pipe;
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enum port;
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struct drm_connector_state;
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struct drm_encoder;
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struct drm_i915_private;
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struct drm_modeset_acquire_ctx;
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struct drm_dp_vsc_sdp;
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struct intel_atomic_state;
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struct intel_connector;
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struct intel_crtc_state;
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struct intel_digital_port;
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struct intel_dp;
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struct intel_encoder;
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struct link_config_limits {
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int min_clock, max_clock;
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int min_lane_count, max_lane_count;
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int min_bpp, max_bpp;
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};
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void intel_dp_adjust_compliance_config(struct intel_dp *intel_dp,
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struct intel_crtc_state *pipe_config,
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struct link_config_limits *limits);
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bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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int intel_dp_min_bpp(enum intel_output_format output_format);
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bool intel_dp_init_connector(struct intel_digital_port *dig_port,
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struct intel_connector *intel_connector);
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void intel_dp_set_link_params(struct intel_dp *intel_dp,
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int link_rate, int lane_count);
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int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp,
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int link_rate, u8 lane_count);
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int intel_dp_retrain_link(struct intel_encoder *encoder,
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struct drm_modeset_acquire_ctx *ctx);
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void intel_dp_set_power(struct intel_dp *intel_dp, u8 mode);
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void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp,
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const struct intel_crtc_state *crtc_state);
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void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp,
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const struct intel_crtc_state *crtc_state,
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bool enable);
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void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder);
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void intel_dp_encoder_shutdown(struct intel_encoder *intel_encoder);
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void intel_dp_encoder_flush_work(struct drm_encoder *encoder);
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int intel_dp_compute_config(struct intel_encoder *encoder,
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struct intel_crtc_state *pipe_config,
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struct drm_connector_state *conn_state);
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bool intel_dp_is_edp(struct intel_dp *intel_dp);
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bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port);
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enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port,
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bool long_hpd);
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void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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void intel_edp_backlight_off(const struct drm_connector_state *conn_state);
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void intel_dp_mst_suspend(struct drm_i915_private *dev_priv);
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void intel_dp_mst_resume(struct drm_i915_private *dev_priv);
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int intel_dp_max_link_rate(struct intel_dp *intel_dp);
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int intel_dp_max_lane_count(struct intel_dp *intel_dp);
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int intel_dp_rate_select(struct intel_dp *intel_dp, int rate);
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void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
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u8 *link_bw, u8 *rate_select);
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bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp);
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bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp);
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bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp);
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int intel_dp_link_required(int pixel_clock, int bpp);
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int intel_dp_max_data_rate(int max_link_clock, int max_lanes);
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bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp);
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bool intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp,
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const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state,
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struct drm_dp_vsc_sdp *vsc);
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void intel_write_dp_vsc_sdp(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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struct drm_dp_vsc_sdp *vsc);
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void intel_dp_set_infoframes(struct intel_encoder *encoder, bool enable,
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const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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void intel_read_dp_sdp(struct intel_encoder *encoder,
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struct intel_crtc_state *crtc_state,
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unsigned int type);
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bool intel_digital_port_connected(struct intel_encoder *encoder);
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static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
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{
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return ~((1 << lane_count) - 1) & 0xf;
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}
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u32 intel_dp_mode_to_fec_clock(u32 mode_clock);
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void intel_ddi_update_pipe(struct intel_atomic_state *state,
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struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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bool intel_dp_initial_fastset_check(struct intel_encoder *encoder,
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struct intel_crtc_state *crtc_state);
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void intel_dp_sync_state(struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state);
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void intel_dp_check_frl_training(struct intel_dp *intel_dp);
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void intel_dp_pcon_dsc_configure(struct intel_dp *intel_dp,
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const struct intel_crtc_state *crtc_state);
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void intel_dp_phy_test(struct intel_encoder *encoder);
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void intel_dp_wait_source_oui(struct intel_dp *intel_dp);
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#endif /* __INTEL_DP_H__ */
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