treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / gpu / drm / amd / amdgpu / umc_v6_1.h
blob0ce1d323cfddfaae4d7ad92d837320b24c879143
1 /*
2 * Copyright 2019 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
23 #ifndef __UMC_V6_1_H__
24 #define __UMC_V6_1_H__
26 #include "soc15_common.h"
27 #include "amdgpu.h"
29 /* HBM Memory Channel Width */
30 #define UMC_V6_1_HBM_MEMORY_CHANNEL_WIDTH 128
31 /* number of umc channel instance with memory map register access */
32 #define UMC_V6_1_CHANNEL_INSTANCE_NUM 4
33 /* number of umc instance with memory map register access */
34 #define UMC_V6_1_UMC_INSTANCE_NUM 8
35 /* total channel instances in one umc block */
36 #define UMC_V6_1_TOTAL_CHANNEL_NUM (UMC_V6_1_CHANNEL_INSTANCE_NUM * UMC_V6_1_UMC_INSTANCE_NUM)
37 /* UMC regiser per channel offset */
38 #define UMC_V6_1_PER_CHANNEL_OFFSET_VG20 0x800
39 #define UMC_V6_1_PER_CHANNEL_OFFSET_ARCT 0x400
41 /* EccErrCnt max value */
42 #define UMC_V6_1_CE_CNT_MAX 0xffff
43 /* umc ce interrupt threshold */
44 #define UMC_V6_1_CE_INT_THRESHOLD 0xffff
45 /* umc ce count initial value */
46 #define UMC_V6_1_CE_CNT_INIT (UMC_V6_1_CE_CNT_MAX - UMC_V6_1_CE_INT_THRESHOLD)
48 extern const struct amdgpu_umc_funcs umc_v6_1_funcs;
49 extern const uint32_t
50 umc_v6_1_channel_idx_tbl[UMC_V6_1_UMC_INSTANCE_NUM][UMC_V6_1_CHANNEL_INSTANCE_NUM];
52 #endif