1 /*
2  * Copyright 2018 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_DC_DCN20_DCN20_VMID_H_
27 #define DAL_DC_DCN20_DCN20_VMID_H_
28 
29 #include "vmid.h"
30 
31 #define BASE_INNER(seg) \
32 	DCE_BASE__INST0_SEG ## seg
33 
34 #define BASE(seg) \
35 	BASE_INNER(seg)
36 
37 #define SRI(reg_name, block, id)\
38 	.reg_name = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
39 					mm ## block ## id ## _ ## reg_name
40 
41 #define SF(reg_name, field_name, post_fix)\
42 	.field_name = reg_name ## __ ## field_name ## post_fix
43 
44 #define DCN20_VMID_REG_LIST(id)\
45 	SRI(CNTL, DCN_VM_CONTEXT, id),\
46 	SRI(PAGE_TABLE_BASE_ADDR_HI32, DCN_VM_CONTEXT, id),\
47 	SRI(PAGE_TABLE_BASE_ADDR_LO32, DCN_VM_CONTEXT, id),\
48 	SRI(PAGE_TABLE_START_ADDR_HI32, DCN_VM_CONTEXT, id),\
49 	SRI(PAGE_TABLE_START_ADDR_LO32, DCN_VM_CONTEXT, id),\
50 	SRI(PAGE_TABLE_END_ADDR_HI32, DCN_VM_CONTEXT, id),\
51 	SRI(PAGE_TABLE_END_ADDR_LO32, DCN_VM_CONTEXT, id)
52 
53 #define DCN20_VMID_MASK_SH_LIST(mask_sh)\
54 	SF(DCN_VM_CONTEXT0_CNTL, VM_CONTEXT0_PAGE_TABLE_DEPTH, mask_sh),\
55 	SF(DCN_VM_CONTEXT0_CNTL, VM_CONTEXT0_PAGE_TABLE_BLOCK_SIZE, mask_sh),\
56 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_HI32, mask_sh),\
57 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_LO32, mask_sh),\
58 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_HI4, mask_sh),\
59 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_LO32, mask_sh),\
60 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_HI4, mask_sh),\
61 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_LO32, mask_sh)
62 
63 #define DCN20_VMID_REG_FIELD_LIST(type)\
64 	type VM_CONTEXT0_PAGE_TABLE_DEPTH;\
65 	type VM_CONTEXT0_PAGE_TABLE_BLOCK_SIZE;\
66 	type VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_HI32;\
67 	type VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_LO32;\
68 	type VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_HI4;\
69 	type VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_LO32;\
70 	type VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_HI4;\
71 	type VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_LO32
72 
73 struct dcn20_vmid_shift {
74 	DCN20_VMID_REG_FIELD_LIST(uint8_t);
75 };
76 
77 struct dcn20_vmid_mask {
78 	DCN20_VMID_REG_FIELD_LIST(uint32_t);
79 };
80 
81 struct dcn20_vmid {
82 	struct dc_context *ctx;
83 	const struct dcn_vmid_registers *regs;
84 	const struct dcn20_vmid_shift *shifts;
85 	const struct dcn20_vmid_mask *masks;
86 };
87 
88 void dcn20_vmid_setup(struct dcn20_vmid *vmid, const struct dcn_vmid_page_table_config *config);
89 
90 #endif /* DAL_DC_DCN20_DCN20_VMID_H_ */
91