1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2019 Intel Corporation 4 */ 5 6 #ifndef __INTEL_DDI_H__ 7 #define __INTEL_DDI_H__ 8 9 #include "intel_display.h" 10 #include "i915_reg.h" 11 12 struct drm_connector_state; 13 struct drm_i915_private; 14 struct intel_connector; 15 struct intel_crtc; 16 struct intel_crtc_state; 17 struct intel_dp; 18 struct intel_dpll_hw_state; 19 struct intel_encoder; 20 struct intel_shared_dpll; 21 enum transcoder; 22 23 i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder, 24 const struct intel_crtc_state *crtc_state); 25 i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder, 26 const struct intel_crtc_state *crtc_state); 27 void intel_ddi_fdi_post_disable(struct intel_atomic_state *state, 28 struct intel_encoder *intel_encoder, 29 const struct intel_crtc_state *old_crtc_state, 30 const struct drm_connector_state *old_conn_state); 31 void intel_ddi_enable_clock(struct intel_encoder *encoder, 32 const struct intel_crtc_state *crtc_state); 33 void intel_ddi_get_clock(struct intel_encoder *encoder, 34 struct intel_crtc_state *crtc_state, 35 struct intel_shared_dpll *pll); 36 void hsw_ddi_enable_clock(struct intel_encoder *encoder, 37 const struct intel_crtc_state *crtc_state); 38 void hsw_ddi_disable_clock(struct intel_encoder *encoder); 39 bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder); 40 void hsw_ddi_get_config(struct intel_encoder *encoder, 41 struct intel_crtc_state *crtc_state); 42 struct intel_shared_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder); 43 void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder, 44 const struct intel_crtc_state *crtc_state); 45 void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv, 46 enum port port); 47 void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port); 48 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe); 49 void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder, 50 const struct intel_crtc_state *crtc_state); 51 void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state); 52 void intel_ddi_enable_pipe_clock(struct intel_encoder *encoder, 53 const struct intel_crtc_state *crtc_state); 54 void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state); 55 void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state, 56 const struct drm_connector_state *conn_state); 57 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector); 58 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state, 59 bool state); 60 void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv, 61 struct intel_crtc_state *crtc_state); 62 u32 bxt_signal_levels(struct intel_dp *intel_dp, 63 const struct intel_crtc_state *crtc_state); 64 u32 ddi_signal_levels(struct intel_dp *intel_dp, 65 const struct intel_crtc_state *crtc_state); 66 int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder, 67 enum transcoder cpu_transcoder, 68 bool enable, u32 hdcp_mask); 69 void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder); 70 71 #endif /* __INTEL_DDI_H__ */ 72