xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/amd/display/dc/dcn20/dcn20_hubbub.h (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: dcn20_hubbub.h,v 1.2 2021/12/18 23:45:03 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2016 Advanced Micro Devices, Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  * Authors: AMD
25  *
26  */
27 
28 #ifndef __DC_HUBBUB_DCN20_H__
29 #define __DC_HUBBUB_DCN20_H__
30 
31 #include "dcn10/dcn10_hubbub.h"
32 #include "dcn20_vmid.h"
33 
34 #define HUBBUB_REG_LIST_DCN20_COMMON()\
35 	HUBBUB_REG_LIST_DCN_COMMON(), \
36 	SR(DCHUBBUB_CRC_CTRL), \
37 	SR(DCN_VM_FB_LOCATION_BASE),\
38 	SR(DCN_VM_FB_LOCATION_TOP),\
39 	SR(DCN_VM_FB_OFFSET),\
40 	SR(DCN_VM_AGP_BOT),\
41 	SR(DCN_VM_AGP_TOP),\
42 	SR(DCN_VM_AGP_BASE)
43 
44 #define TO_DCN20_HUBBUB(hubbub)\
45 	container_of(hubbub, struct dcn20_hubbub, base)
46 
47 #define HUBBUB_REG_LIST_DCN20_COMMON()\
48 	HUBBUB_REG_LIST_DCN_COMMON(), \
49 	SR(DCHUBBUB_CRC_CTRL), \
50 	SR(DCN_VM_FB_LOCATION_BASE),\
51 	SR(DCN_VM_FB_LOCATION_TOP),\
52 	SR(DCN_VM_FB_OFFSET),\
53 	SR(DCN_VM_AGP_BOT),\
54 	SR(DCN_VM_AGP_TOP),\
55 	SR(DCN_VM_AGP_BASE)
56 
57 #define HUBBUB_REG_LIST_DCN20(id)\
58 	HUBBUB_REG_LIST_DCN20_COMMON(), \
59 	HUBBUB_SR_WATERMARK_REG_LIST(), \
60 	HUBBUB_VM_REG_LIST(),\
61 	SR(DCN_VM_PROTECTION_FAULT_DEFAULT_ADDR_MSB),\
62 	SR(DCN_VM_PROTECTION_FAULT_DEFAULT_ADDR_LSB)
63 
64 
65 #define HUBBUB_MASK_SH_LIST_DCN20(mask_sh)\
66 	HUBBUB_MASK_SH_LIST_DCN_COMMON(mask_sh), \
67 	HUBBUB_MASK_SH_LIST_STUTTER(mask_sh), \
68 	HUBBUB_SF(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, mask_sh), \
69 	HUBBUB_SF(DCN_VM_FB_LOCATION_BASE, FB_BASE, mask_sh), \
70 	HUBBUB_SF(DCN_VM_FB_LOCATION_TOP, FB_TOP, mask_sh), \
71 	HUBBUB_SF(DCN_VM_FB_OFFSET, FB_OFFSET, mask_sh), \
72 	HUBBUB_SF(DCN_VM_AGP_BOT, AGP_BOT, mask_sh), \
73 	HUBBUB_SF(DCN_VM_AGP_TOP, AGP_TOP, mask_sh), \
74 	HUBBUB_SF(DCN_VM_AGP_BASE, AGP_BASE, mask_sh), \
75 	HUBBUB_SF(DCN_VM_PROTECTION_FAULT_DEFAULT_ADDR_MSB, DCN_VM_PROTECTION_FAULT_DEFAULT_ADDR_MSB, mask_sh), \
76 	HUBBUB_SF(DCN_VM_PROTECTION_FAULT_DEFAULT_ADDR_LSB, DCN_VM_PROTECTION_FAULT_DEFAULT_ADDR_LSB, mask_sh)
77 
78 struct dcn20_hubbub {
79 	struct hubbub base;
80 	const struct dcn_hubbub_registers *regs;
81 	const struct dcn_hubbub_shift *shifts;
82 	const struct dcn_hubbub_mask *masks;
83 	unsigned int debug_test_index_pstate;
84 	struct dcn_watermark_set watermarks;
85 	struct dcn20_vmid vmid[16];
86 	unsigned int detile_buf_size;
87 };
88 
89 void hubbub2_construct(struct dcn20_hubbub *hubbub,
90 	struct dc_context *ctx,
91 	const struct dcn_hubbub_registers *hubbub_regs,
92 	const struct dcn_hubbub_shift *hubbub_shift,
93 	const struct dcn_hubbub_mask *hubbub_mask);
94 
95 bool hubbub2_dcc_support_swizzle(
96 		enum swizzle_mode_values swizzle,
97 		unsigned int bytes_per_element,
98 		enum segment_order *segment_order_horz,
99 		enum segment_order *segment_order_vert);
100 
101 bool hubbub2_dcc_support_pixel_format(
102 		enum surface_pixel_format format,
103 		unsigned int *bytes_per_element);
104 
105 bool hubbub2_get_dcc_compression_cap(struct hubbub *hubbub,
106 		const struct dc_dcc_surface_param *input,
107 		struct dc_surface_dcc_cap *output);
108 
109 bool hubbub2_initialize_vmids(struct hubbub *hubbub,
110 		const struct dc_dcc_surface_param *input,
111 		struct dc_surface_dcc_cap *output);
112 
113 int hubbub2_init_dchub_sys_ctx(struct hubbub *hubbub,
114 		struct dcn_hubbub_phys_addr_config *pa_config);
115 void hubbub2_init_vm_ctx(struct hubbub *hubbub,
116 		struct dcn_hubbub_virt_addr_config *va_config,
117 		int vmid);
118 void hubbub2_update_dchub(struct hubbub *hubbub,
119 		struct dchub_init_data *dh_data);
120 
121 void hubbub2_get_dchub_ref_freq(struct hubbub *hubbub,
122 		unsigned int dccg_ref_freq_inKhz,
123 		unsigned int *dchub_ref_freq_inKhz);
124 
125 void hubbub2_wm_read_state(struct hubbub *hubbub,
126 		struct dcn_hubbub_wm *wm);
127 
128 #endif
129