xref: /linux/drivers/gpu/drm/i915/display/intel_ddi.h (revision 3fd6c59042dbba50391e30862beac979491145fe)
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_display;
19 struct intel_dp;
20 struct intel_dpll_hw_state;
21 struct intel_encoder;
22 struct intel_shared_dpll;
23 enum pipe;
24 enum port;
25 enum transcoder;
26 
27 i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder,
28 			 const struct intel_crtc_state *crtc_state);
29 i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder,
30 			    const struct intel_crtc_state *crtc_state);
31 i915_reg_t hsw_chicken_trans_reg(struct drm_i915_private *i915,
32 				 enum transcoder cpu_transcoder);
33 void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
34 				struct intel_encoder *intel_encoder,
35 				const struct intel_crtc_state *old_crtc_state,
36 				const struct drm_connector_state *old_conn_state);
37 void intel_ddi_enable_clock(struct intel_encoder *encoder,
38 			    const struct intel_crtc_state *crtc_state);
39 void intel_ddi_disable_clock(struct intel_encoder *encoder);
40 void intel_ddi_get_clock(struct intel_encoder *encoder,
41 			 struct intel_crtc_state *crtc_state,
42 			 struct intel_shared_dpll *pll);
43 void hsw_ddi_enable_clock(struct intel_encoder *encoder,
44 			  const struct intel_crtc_state *crtc_state);
45 void hsw_ddi_disable_clock(struct intel_encoder *encoder);
46 bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder);
47 enum icl_port_dpll_id
48 intel_ddi_port_pll_type(struct intel_encoder *encoder,
49 			const struct intel_crtc_state *crtc_state);
50 void hsw_ddi_get_config(struct intel_encoder *encoder,
51 			struct intel_crtc_state *crtc_state);
52 struct intel_shared_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder);
53 void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder,
54 				const struct intel_crtc_state *crtc_state);
55 void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
56 			     enum port port);
57 void intel_ddi_init(struct intel_display *display,
58 		    const struct intel_bios_encoder_data *devdata);
59 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
60 void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
61 				      const struct intel_crtc_state *crtc_state);
62 void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
63 void intel_ddi_enable_transcoder_clock(struct intel_encoder *encoder,
64 				       const struct intel_crtc_state *crtc_state);
65 void intel_ddi_disable_transcoder_clock(const  struct intel_crtc_state *crtc_state);
66 int intel_ddi_wait_for_fec_status(struct intel_encoder *encoder,
67 				  const struct intel_crtc_state *crtc_state,
68 				  bool enabled);
69 void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
70 			  const struct drm_connector_state *conn_state);
71 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
72 void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
73 				    bool state);
74 void intel_ddi_compute_min_voltage_level(struct intel_crtc_state *crtc_state);
75 int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder,
76 			       enum transcoder cpu_transcoder,
77 			       bool enable, u32 hdcp_mask);
78 void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
79 int intel_ddi_level(struct intel_encoder *encoder,
80 		    const struct intel_crtc_state *crtc_state,
81 		    int lane);
82 void intel_ddi_update_active_dpll(struct intel_atomic_state *state,
83 				  struct intel_encoder *encoder,
84 				  struct intel_crtc *crtc);
85 
86 #endif /* __INTEL_DDI_H__ */
87