xref: /linux/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_vmid.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
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 DCN20_VMID_REG_LIST(id)\
32 	SRI(CNTL, DCN_VM_CONTEXT, id),\
33 	SRI(PAGE_TABLE_BASE_ADDR_HI32, DCN_VM_CONTEXT, id),\
34 	SRI(PAGE_TABLE_BASE_ADDR_LO32, DCN_VM_CONTEXT, id),\
35 	SRI(PAGE_TABLE_START_ADDR_HI32, DCN_VM_CONTEXT, id),\
36 	SRI(PAGE_TABLE_START_ADDR_LO32, DCN_VM_CONTEXT, id),\
37 	SRI(PAGE_TABLE_END_ADDR_HI32, DCN_VM_CONTEXT, id),\
38 	SRI(PAGE_TABLE_END_ADDR_LO32, DCN_VM_CONTEXT, id)
39 
40 #define DCN20_VMID_MASK_SH_LIST(mask_sh)\
41 	SF(DCN_VM_CONTEXT0_CNTL, VM_CONTEXT0_PAGE_TABLE_DEPTH, mask_sh),\
42 	SF(DCN_VM_CONTEXT0_CNTL, VM_CONTEXT0_PAGE_TABLE_BLOCK_SIZE, mask_sh),\
43 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_HI32, mask_sh),\
44 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_LO32, mask_sh),\
45 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_HI4, mask_sh),\
46 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_LO32, mask_sh),\
47 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_HI4, mask_sh),\
48 	SF(DCN_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_LO32, mask_sh)
49 
50 #define DCN20_VMID_REG_FIELD_LIST(type)\
51 	type VM_CONTEXT0_PAGE_TABLE_DEPTH;\
52 	type VM_CONTEXT0_PAGE_TABLE_BLOCK_SIZE;\
53 	type VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_HI32;\
54 	type VM_CONTEXT0_PAGE_DIRECTORY_ENTRY_LO32;\
55 	type VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_HI4;\
56 	type VM_CONTEXT0_START_LOGICAL_PAGE_NUMBER_LO32;\
57 	type VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_HI4;\
58 	type VM_CONTEXT0_END_LOGICAL_PAGE_NUMBER_LO32
59 
60 struct dcn20_vmid_shift {
61 	DCN20_VMID_REG_FIELD_LIST(uint8_t);
62 };
63 
64 struct dcn20_vmid_mask {
65 	DCN20_VMID_REG_FIELD_LIST(uint32_t);
66 };
67 
68 struct dcn20_vmid {
69 	struct dc_context *ctx;
70 	const struct dcn_vmid_registers *regs;
71 	const struct dcn20_vmid_shift *shifts;
72 	const struct dcn20_vmid_mask *masks;
73 };
74 
75 void dcn20_vmid_setup(struct dcn20_vmid *vmid, const struct dcn_vmid_page_table_config *config);
76 
77 #endif /* DAL_DC_DCN20_DCN20_VMID_H_ */
78