1 | /* |
2 | * Copyright 2022 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 | */ |
23 | #include "amdgpu.h" |
24 | #include "smuio_v13_0_3.h" |
25 | #include "soc15_common.h" |
26 | #include "smuio/smuio_13_0_3_offset.h" |
27 | #include "smuio/smuio_13_0_3_sh_mask.h" |
28 | |
29 | #define PKG_TYPE_MASK 0x00000003L |
30 | |
31 | /** |
32 | * smuio_v13_0_3_get_die_id - query die id from FCH. |
33 | * |
34 | * @adev: amdgpu device pointer |
35 | * |
36 | * Returns die id |
37 | */ |
38 | static u32 smuio_v13_0_3_get_die_id(struct amdgpu_device *adev) |
39 | { |
40 | u32 data, die_id; |
41 | |
42 | data = RREG32_SOC15(SMUIO, 0, regSMUIO_MCM_CONFIG); |
43 | die_id = REG_GET_FIELD(data, SMUIO_MCM_CONFIG, DIE_ID); |
44 | |
45 | return die_id; |
46 | } |
47 | |
48 | /** |
49 | * smuio_v13_0_3_get_socket_id - query socket id from FCH |
50 | * |
51 | * @adev: amdgpu device pointer |
52 | * |
53 | * Returns socket id |
54 | */ |
55 | static u32 smuio_v13_0_3_get_socket_id(struct amdgpu_device *adev) |
56 | { |
57 | u32 data, socket_id; |
58 | |
59 | data = RREG32_SOC15(SMUIO, 0, regSMUIO_MCM_CONFIG); |
60 | socket_id = REG_GET_FIELD(data, SMUIO_MCM_CONFIG, SOCKET_ID); |
61 | |
62 | return socket_id; |
63 | } |
64 | |
65 | /** |
66 | * smuio_v13_0_3_get_pkg_type - query package type set by MP1/bootcode |
67 | * |
68 | * @adev: amdgpu device pointer |
69 | * |
70 | * Returns package type |
71 | */ |
72 | |
73 | static enum amdgpu_pkg_type smuio_v13_0_3_get_pkg_type(struct amdgpu_device *adev) |
74 | { |
75 | enum amdgpu_pkg_type pkg_type; |
76 | u32 data; |
77 | |
78 | data = RREG32_SOC15(SMUIO, 0, regSMUIO_MCM_CONFIG); |
79 | data = REG_GET_FIELD(data, SMUIO_MCM_CONFIG, PKG_TYPE); |
80 | /* pkg_type[4:0] |
81 | * |
82 | * bit 1 == 1 APU form factor |
83 | * |
84 | * b0100 - b1111 - Reserved |
85 | */ |
86 | switch (data & PKG_TYPE_MASK) { |
87 | case 0x0: |
88 | pkg_type = AMDGPU_PKG_TYPE_CEM; |
89 | break; |
90 | case 0x1: |
91 | pkg_type = AMDGPU_PKG_TYPE_OAM; |
92 | break; |
93 | case 0x2: |
94 | pkg_type = AMDGPU_PKG_TYPE_APU; |
95 | break; |
96 | default: |
97 | pkg_type = AMDGPU_PKG_TYPE_UNKNOWN; |
98 | break; |
99 | } |
100 | |
101 | return pkg_type; |
102 | } |
103 | |
104 | |
105 | const struct amdgpu_smuio_funcs smuio_v13_0_3_funcs = { |
106 | .get_die_id = smuio_v13_0_3_get_die_id, |
107 | .get_socket_id = smuio_v13_0_3_get_socket_id, |
108 | .get_pkg_type = smuio_v13_0_3_get_pkg_type, |
109 | }; |
110 | |