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 "i915_reg.h"
10 
11 struct drm_connector_state;
12 struct drm_i915_private;
13 struct intel_atomic_state;
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 pipe;
22 enum port;
23 enum transcoder;
24 
25 i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder,
26 			 const struct intel_crtc_state *crtc_state);
27 i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder,
28 			    const struct intel_crtc_state *crtc_state);
29 void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
30 				struct intel_encoder *intel_encoder,
31 				const struct intel_crtc_state *old_crtc_state,
32 				const struct drm_connector_state *old_conn_state);
33 void intel_ddi_enable_clock(struct intel_encoder *encoder,
34 			    const struct intel_crtc_state *crtc_state);
35 void intel_ddi_disable_clock(struct intel_encoder *encoder);
36 void intel_ddi_get_clock(struct intel_encoder *encoder,
37 			 struct intel_crtc_state *crtc_state,
38 			 struct intel_shared_dpll *pll);
39 void hsw_ddi_enable_clock(struct intel_encoder *encoder,
40 			  const struct intel_crtc_state *crtc_state);
41 void hsw_ddi_disable_clock(struct intel_encoder *encoder);
42 bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder);
43 void hsw_ddi_get_config(struct intel_encoder *encoder,
44 			struct intel_crtc_state *crtc_state);
45 struct intel_shared_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder);
46 void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder,
47 				const struct intel_crtc_state *crtc_state);
48 void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
49 			     enum port port);
50 void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
51 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
52 void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
53 				      const struct intel_crtc_state *crtc_state);
54 void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
55 void intel_ddi_enable_pipe_clock(struct intel_encoder *encoder,
56 				 const struct intel_crtc_state *crtc_state);
57 void intel_ddi_disable_pipe_clock(const  struct intel_crtc_state *crtc_state);
58 void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
59 			  const struct drm_connector_state *conn_state);
60 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
61 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
62 				    bool state);
63 void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
64 					 struct intel_crtc_state *crtc_state);
65 int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder,
66 			       enum transcoder cpu_transcoder,
67 			       bool enable, u32 hdcp_mask);
68 void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
69 int intel_ddi_level(struct intel_encoder *encoder,
70 		    const struct intel_crtc_state *crtc_state,
71 		    int lane);
72 
73 #endif /* __INTEL_DDI_H__ */
74