1 /*
2  * Copyright 2012-15 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 __DAL_DCHUBBUB_H__
27 #define __DAL_DCHUBBUB_H__
28 
29 
30 enum dcc_control {
31 	dcc_control__256_256_xxx,
32 	dcc_control__128_128_xxx,
33 	dcc_control__256_64_64,
34 };
35 
36 enum segment_order {
37 	segment_order__na,
38 	segment_order__contiguous,
39 	segment_order__non_contiguous,
40 };
41 
42 struct dcn_hubbub_wm_set {
43 	uint32_t wm_set;
44 	uint32_t data_urgent;
45 	uint32_t pte_meta_urgent;
46 	uint32_t sr_enter;
47 	uint32_t sr_exit;
48 	uint32_t dram_clk_chanage;
49 };
50 
51 struct dcn_hubbub_wm {
52 	struct dcn_hubbub_wm_set sets[4];
53 };
54 
55 enum dcn_hubbub_page_table_depth {
56 	DCN_PAGE_TABLE_DEPTH_1_LEVEL,
57 	DCN_PAGE_TABLE_DEPTH_2_LEVEL,
58 	DCN_PAGE_TABLE_DEPTH_3_LEVEL,
59 	DCN_PAGE_TABLE_DEPTH_4_LEVEL
60 };
61 
62 enum dcn_hubbub_page_table_block_size {
63 	DCN_PAGE_TABLE_BLOCK_SIZE_4KB = 0,
64 	DCN_PAGE_TABLE_BLOCK_SIZE_64KB = 4,
65 };
66 
67 struct dcn_hubbub_phys_addr_config {
68 	struct {
69 		uint64_t fb_top;
70 		uint64_t fb_offset;
71 		uint64_t fb_base;
72 		uint64_t agp_top;
73 		uint64_t agp_bot;
74 		uint64_t agp_base;
75 	} system_aperture;
76 
77 	struct {
78 		uint64_t page_table_start_addr;
79 		uint64_t page_table_end_addr;
80 		uint64_t page_table_base_addr;
81 	} gart_config;
82 
83 	uint64_t page_table_default_page_addr;
84 };
85 
86 struct dcn_hubbub_virt_addr_config {
87 	uint64_t				page_table_start_addr;
88 	uint64_t				page_table_end_addr;
89 	enum dcn_hubbub_page_table_block_size	page_table_block_size;
90 	enum dcn_hubbub_page_table_depth	page_table_depth;
91 	uint64_t				page_table_base_addr;
92 };
93 
94 struct hubbub_addr_config {
95 	struct dcn_hubbub_phys_addr_config pa_config;
96 	struct dcn_hubbub_virt_addr_config va_config;
97 	struct {
98 		uint64_t aperture_check_fault;
99 		uint64_t generic_fault;
100 	} default_addrs;
101 };
102 
103 struct hubbub_funcs {
104 	void (*update_dchub)(
105 			struct hubbub *hubbub,
106 			struct dchub_init_data *dh_data);
107 
108 	int (*init_dchub_sys_ctx)(
109 			struct hubbub *hubbub,
110 			struct dcn_hubbub_phys_addr_config *pa_config);
111 	void (*init_vm_ctx)(
112 			struct hubbub *hubbub,
113 			struct dcn_hubbub_virt_addr_config *va_config,
114 			int vmid);
115 
116 	bool (*get_dcc_compression_cap)(struct hubbub *hubbub,
117 			const struct dc_dcc_surface_param *input,
118 			struct dc_surface_dcc_cap *output);
119 
120 	bool (*dcc_support_swizzle)(
121 			enum swizzle_mode_values swizzle,
122 			unsigned int bytes_per_element,
123 			enum segment_order *segment_order_horz,
124 			enum segment_order *segment_order_vert);
125 
126 	bool (*dcc_support_pixel_format)(
127 			enum surface_pixel_format format,
128 			unsigned int *bytes_per_element);
129 
130 	void (*wm_read_state)(struct hubbub *hubbub,
131 			struct dcn_hubbub_wm *wm);
132 
133 	void (*get_dchub_ref_freq)(struct hubbub *hubbub,
134 			unsigned int dccg_ref_freq_inKhz,
135 			unsigned int *dchub_ref_freq_inKhz);
136 
137 	bool (*program_watermarks)(
138 			struct hubbub *hubbub,
139 			struct dcn_watermark_set *watermarks,
140 			unsigned int refclk_mhz,
141 			bool safe_to_lower);
142 
143 	bool (*is_allow_self_refresh_enabled)(struct hubbub *hubbub);
144 	void (*allow_self_refresh_control)(struct hubbub *hubbub, bool allow);
145 
146 	void (*apply_DEDCN21_147_wa)(struct hubbub *hubbub);
147 
148 	void (*force_wm_propagate_to_pipes)(struct hubbub *hubbub);
149 };
150 
151 struct hubbub {
152 	const struct hubbub_funcs *funcs;
153 	struct dc_context *ctx;
154 };
155 
156 #endif
157