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 #ifndef DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_RESOURCE_H_
26 #define DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_RESOURCE_H_
27 
28 #include "core_types.h"
29 #include "core_status.h"
30 #include "dal_asic_id.h"
31 #include "dm_pp_smu.h"
32 
33 enum dce_version resource_parse_asic_id(
34 		struct hw_asic_id asic_id);
35 
36 struct resource_caps {
37 	int num_timing_generator;
38 	int num_opp;
39 	int num_video_plane;
40 	int num_audio;
41 	int num_stream_encoder;
42 	int num_pll;
43 	int num_dwb;
44 	int num_ddc;
45 };
46 
47 struct resource_straps {
48 	uint32_t hdmi_disable;
49 	uint32_t dc_pinstraps_audio;
50 	uint32_t audio_stream_number;
51 };
52 
53 struct resource_create_funcs {
54 	void (*read_dce_straps)(
55 			struct dc_context *ctx, struct resource_straps *straps);
56 
57 	struct audio *(*create_audio)(
58 			struct dc_context *ctx, unsigned int inst);
59 
60 	struct stream_encoder *(*create_stream_encoder)(
61 			enum engine_id eng_id, struct dc_context *ctx);
62 
63 	struct dce_hwseq *(*create_hwseq)(
64 			struct dc_context *ctx);
65 };
66 
67 bool resource_construct(
68 	unsigned int num_virtual_links,
69 	struct dc *dc,
70 	struct resource_pool *pool,
71 	const struct resource_create_funcs *create_funcs);
72 
73 struct resource_pool *dc_create_resource_pool(
74 				struct dc *dc,
75 				int num_virtual_links,
76 				enum dce_version dc_version,
77 				struct hw_asic_id asic_id);
78 
79 void dc_destroy_resource_pool(struct dc *dc);
80 
81 enum dc_status resource_map_pool_resources(
82 		const struct dc *dc,
83 		struct dc_state *context,
84 		struct dc_stream_state *stream);
85 
86 bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx);
87 
88 enum dc_status resource_build_scaling_params_for_context(
89 		const struct dc *dc,
90 		struct dc_state *context);
91 
92 void resource_build_info_frame(struct pipe_ctx *pipe_ctx);
93 
94 void resource_unreference_clock_source(
95 		struct resource_context *res_ctx,
96 		const struct resource_pool *pool,
97 		struct clock_source *clock_source);
98 
99 void resource_reference_clock_source(
100 		struct resource_context *res_ctx,
101 		const struct resource_pool *pool,
102 		struct clock_source *clock_source);
103 
104 int resource_get_clock_source_reference(
105 		struct resource_context *res_ctx,
106 		const struct resource_pool *pool,
107 		struct clock_source *clock_source);
108 
109 bool resource_are_streams_timing_synchronizable(
110 		struct dc_stream_state *stream1,
111 		struct dc_stream_state *stream2);
112 
113 struct clock_source *resource_find_used_clk_src_for_sharing(
114 		struct resource_context *res_ctx,
115 		struct pipe_ctx *pipe_ctx);
116 
117 struct clock_source *dc_resource_find_first_free_pll(
118 		struct resource_context *res_ctx,
119 		const struct resource_pool *pool);
120 
121 struct pipe_ctx *resource_get_head_pipe_for_stream(
122 		struct resource_context *res_ctx,
123 		struct dc_stream_state *stream);
124 
125 bool resource_attach_surfaces_to_context(
126 		struct dc_plane_state *const *plane_state,
127 		int surface_count,
128 		struct dc_stream_state *dc_stream,
129 		struct dc_state *context,
130 		const struct resource_pool *pool);
131 
132 struct pipe_ctx *find_idle_secondary_pipe(
133 		struct resource_context *res_ctx,
134 		const struct resource_pool *pool);
135 
136 bool resource_is_stream_unchanged(
137 	struct dc_state *old_context, struct dc_stream_state *stream);
138 
139 bool resource_validate_attach_surfaces(
140 		const struct dc_validation_set set[],
141 		int set_count,
142 		const struct dc_state *old_context,
143 		struct dc_state *context,
144 		const struct resource_pool *pool);
145 
146 void resource_validate_ctx_update_pointer_after_copy(
147 		const struct dc_state *src_ctx,
148 		struct dc_state *dst_ctx);
149 
150 enum dc_status resource_map_clock_resources(
151 		const struct dc *dc,
152 		struct dc_state *context,
153 		struct dc_stream_state *stream);
154 
155 enum dc_status resource_map_phy_clock_resources(
156 		const struct dc *dc,
157 		struct dc_state *context,
158 		struct dc_stream_state *stream);
159 
160 bool pipe_need_reprogram(
161 		struct pipe_ctx *pipe_ctx_old,
162 		struct pipe_ctx *pipe_ctx);
163 
164 void resource_build_bit_depth_reduction_params(struct dc_stream_state *stream,
165 		struct bit_depth_reduction_params *fmt_bit_depth);
166 
167 void update_audio_usage(
168 		struct resource_context *res_ctx,
169 		const struct resource_pool *pool,
170 		struct audio *audio,
171 		bool acquired);
172 
173 unsigned int resource_pixel_format_to_bpp(enum surface_pixel_format format);
174 
175 #endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_RESOURCE_H_ */
176