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_defs.h"
10 
11 struct drm_connector_state;
12 struct drm_i915_private;
13 struct intel_atomic_state;
14 struct intel_bios_encoder_data;
15 struct intel_connector;
16 struct intel_crtc;
17 struct intel_crtc_state;
18 struct intel_dp;
19 struct intel_dpll_hw_state;
20 struct intel_encoder;
21 struct intel_shared_dpll;
22 enum pipe;
23 enum port;
24 enum transcoder;
25 
26 i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder,
27 			 const struct intel_crtc_state *crtc_state);
28 i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder,
29 			    const struct intel_crtc_state *crtc_state);
30 void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
31 				struct intel_encoder *intel_encoder,
32 				const struct intel_crtc_state *old_crtc_state,
33 				const struct drm_connector_state *old_conn_state);
34 void intel_ddi_enable_clock(struct intel_encoder *encoder,
35 			    const struct intel_crtc_state *crtc_state);
36 void intel_ddi_disable_clock(struct intel_encoder *encoder);
37 void intel_ddi_get_clock(struct intel_encoder *encoder,
38 			 struct intel_crtc_state *crtc_state,
39 			 struct intel_shared_dpll *pll);
40 void hsw_ddi_enable_clock(struct intel_encoder *encoder,
41 			  const struct intel_crtc_state *crtc_state);
42 void hsw_ddi_disable_clock(struct intel_encoder *encoder);
43 bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder);
44 enum icl_port_dpll_id
45 intel_ddi_port_pll_type(struct intel_encoder *encoder,
46 			const struct intel_crtc_state *crtc_state);
47 void hsw_ddi_get_config(struct intel_encoder *encoder,
48 			struct intel_crtc_state *crtc_state);
49 struct intel_shared_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder);
50 void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder,
51 				const struct intel_crtc_state *crtc_state);
52 void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
53 			     enum port port);
54 void intel_ddi_init(struct drm_i915_private *dev_priv,
55 		    const struct intel_bios_encoder_data *devdata);
56 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
57 void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
58 				      const struct intel_crtc_state *crtc_state);
59 void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
60 void intel_ddi_enable_transcoder_clock(struct intel_encoder *encoder,
61 				       const struct intel_crtc_state *crtc_state);
62 void intel_ddi_disable_transcoder_clock(const  struct intel_crtc_state *crtc_state);
63 void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
64 			  const struct drm_connector_state *conn_state);
65 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
66 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
67 				    bool state);
68 void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
69 					 struct intel_crtc_state *crtc_state);
70 int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder,
71 			       enum transcoder cpu_transcoder,
72 			       bool enable, u32 hdcp_mask);
73 void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
74 int intel_ddi_level(struct intel_encoder *encoder,
75 		    const struct intel_crtc_state *crtc_state,
76 		    int lane);
77 void intel_ddi_update_active_dpll(struct intel_atomic_state *state,
78 				  struct intel_encoder *encoder,
79 				  struct intel_crtc *crtc);
80 
81 #endif /* __INTEL_DDI_H__ */
82