1 /*
2  * Copyright 2015 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #ifndef __DC_HW_SEQUENCER_H__
27 #define __DC_HW_SEQUENCER_H__
28 #include "dc_types.h"
29 #include "clock_source.h"
30 #include "inc/hw/timing_generator.h"
31 #include "inc/hw/link_encoder.h"
32 #include "core_status.h"
33 
34 enum pipe_gating_control {
35 	PIPE_GATING_CONTROL_DISABLE = 0,
36 	PIPE_GATING_CONTROL_ENABLE,
37 	PIPE_GATING_CONTROL_INIT
38 };
39 
40 struct dce_hwseq_wa {
41 	bool blnd_crtc_trigger;
42 };
43 
44 struct dce_hwseq {
45 	struct dc_context *ctx;
46 	const struct dce_hwseq_registers *regs;
47 	const struct dce_hwseq_shift *shifts;
48 	const struct dce_hwseq_mask *masks;
49 	struct dce_hwseq_wa wa;
50 };
51 
52 struct pipe_ctx;
53 struct dc_state;
54 struct dchub_init_data;
55 struct dc_static_screen_events;
56 struct resource_pool;
57 struct resource_context;
58 
59 struct hw_sequencer_funcs {
60 
61 	void (*init_hw)(struct dc *dc);
62 
63 	enum dc_status (*apply_ctx_to_hw)(
64 			struct dc *dc, struct dc_state *context);
65 
66 	void (*reset_hw_ctx_wrap)(
67 			struct dc *dc, struct dc_state *context);
68 
69 	void (*apply_ctx_for_surface)(
70 			struct dc *dc,
71 			const struct dc_stream_state *stream,
72 			int num_planes,
73 			struct dc_state *context);
74 
75 	void (*set_plane_config)(
76 			const struct dc *dc,
77 			struct pipe_ctx *pipe_ctx,
78 			struct resource_context *res_ctx);
79 
80 	void (*program_gamut_remap)(
81 			struct pipe_ctx *pipe_ctx);
82 
83 	void (*program_csc_matrix)(
84 			struct pipe_ctx *pipe_ctx,
85 			enum dc_color_space colorspace,
86 			uint16_t *matrix);
87 
88 	void (*update_plane_addr)(
89 		const struct dc *dc,
90 		struct pipe_ctx *pipe_ctx);
91 
92 	void (*update_dchub)(
93 		struct dce_hwseq *hws,
94 		struct dchub_init_data *dh_data);
95 
96 	void (*update_pending_status)(
97 			struct pipe_ctx *pipe_ctx);
98 
99 	bool (*set_input_transfer_func)(
100 				struct pipe_ctx *pipe_ctx,
101 				const struct dc_plane_state *plane_state);
102 
103 	bool (*set_output_transfer_func)(
104 				struct pipe_ctx *pipe_ctx,
105 				const struct dc_stream_state *stream);
106 
107 	void (*power_down)(struct dc *dc);
108 
109 	void (*enable_accelerated_mode)(struct dc *dc);
110 
111 	void (*enable_timing_synchronization)(
112 			struct dc *dc,
113 			int group_index,
114 			int group_size,
115 			struct pipe_ctx *grouped_pipes[]);
116 
117 	void (*enable_display_pipe_clock_gating)(
118 					struct dc_context *ctx,
119 					bool clock_gating);
120 
121 	bool (*enable_display_power_gating)(
122 					struct dc *dc,
123 					uint8_t controller_id,
124 					struct dc_bios *dcb,
125 					enum pipe_gating_control power_gating);
126 
127 	void (*power_down_front_end)(struct dc *dc, int fe_idx);
128 
129 	void (*power_on_front_end)(struct dc *dc,
130 			struct pipe_ctx *pipe,
131 			struct dc_state *context);
132 
133 	void (*update_info_frame)(struct pipe_ctx *pipe_ctx);
134 
135 	void (*enable_stream)(struct pipe_ctx *pipe_ctx);
136 
137 	void (*disable_stream)(struct pipe_ctx *pipe_ctx,
138 			int option);
139 
140 	void (*unblank_stream)(struct pipe_ctx *pipe_ctx,
141 			struct dc_link_settings *link_settings);
142 
143 	void (*pipe_control_lock)(
144 				struct dc *dc,
145 				struct pipe_ctx *pipe,
146 				bool lock);
147 
148 	void (*set_bandwidth)(
149 			struct dc *dc,
150 			struct dc_state *context,
151 			bool decrease_allowed);
152 
153 	void (*set_drr)(struct pipe_ctx **pipe_ctx, int num_pipes,
154 			int vmin, int vmax);
155 
156 	void (*get_position)(struct pipe_ctx **pipe_ctx, int num_pipes,
157 			struct crtc_position *position);
158 
159 	void (*set_static_screen_control)(struct pipe_ctx **pipe_ctx,
160 			int num_pipes, const struct dc_static_screen_events *events);
161 
162 	enum dc_status (*prog_pixclk_crtc_otg)(
163 			struct pipe_ctx *pipe_ctx,
164 			struct dc_state *context,
165 			struct dc *dc);
166 
167 	void (*setup_stereo)(
168 			struct pipe_ctx *pipe_ctx,
169 			struct dc *dc);
170 
171 	void (*set_avmute)(struct pipe_ctx *pipe_ctx, bool enable);
172 
173 	void (*log_hw_state)(struct dc *dc);
174 
175 	void (*wait_for_mpcc_disconnect)(struct dc *dc,
176 			struct resource_pool *res_pool,
177 			struct pipe_ctx *pipe_ctx);
178 
179 	void (*ready_shared_resources)(struct dc *dc, struct dc_state *context);
180 	void (*optimize_shared_resources)(struct dc *dc);
181 	void (*edp_power_control)(
182 			struct link_encoder *enc,
183 			bool enable);
184 	void (*edp_backlight_control)(
185 			struct dc_link *link,
186 			bool enable);
187 };
188 
189 void color_space_to_black_color(
190 	const struct dc *dc,
191 	enum dc_color_space colorspace,
192 	struct tg_color *black_color);
193 
194 bool hwss_wait_for_blank_complete(
195 		struct timing_generator *tg);
196 
197 #endif /* __DC_HW_SEQUENCER_H__ */
198