xref: /openbmc/linux/drivers/gpu/drm/amd/display/dc/inc/hw/vmid.h (revision 55fd7e02)
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_INC_HW_VMID_H_
27 #define DAL_DC_INC_HW_VMID_H_
28 
29 #include "core_types.h"
30 #include "dchubbub.h"
31 
32 struct dcn_vmid_registers {
33 	uint32_t CNTL;
34 	uint32_t PAGE_TABLE_BASE_ADDR_HI32;
35 	uint32_t PAGE_TABLE_BASE_ADDR_LO32;
36 	uint32_t PAGE_TABLE_START_ADDR_HI32;
37 	uint32_t PAGE_TABLE_START_ADDR_LO32;
38 	uint32_t PAGE_TABLE_END_ADDR_HI32;
39 	uint32_t PAGE_TABLE_END_ADDR_LO32;
40 };
41 
42 struct dcn_vmid_page_table_config {
43 	uint64_t	page_table_start_addr;
44 	uint64_t	page_table_end_addr;
45 	enum dcn_hubbub_page_table_depth	depth;
46 	enum dcn_hubbub_page_table_block_size	block_size;
47 	uint64_t	page_table_base_addr;
48 };
49 
50 #endif /* DAL_DC_INC_HW_VMID_H_ */
51