xref: /linux/drivers/gpu/drm/amd/ras/rascore/ras_mp1.c (revision 24f171c7e145f43b9f187578e89b0982ce87e54c)
1 // SPDX-License-Identifier: MIT
2 /*
3  * Copyright 2025 Advanced Micro Devices, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  */
24 
25 #include "ras.h"
26 #include "ras_mp1.h"
27 #include "ras_mp1_v13_0.h"
28 
29 static const struct ras_mp1_ip_func *ras_mp1_get_ip_funcs(
30 				struct ras_core_context *ras_core, uint32_t ip_version)
31 {
32 	switch (ip_version) {
33 	case IP_VERSION(13, 0, 6):
34 	case IP_VERSION(13, 0, 14):
35 	case IP_VERSION(13, 0, 12):
36 		return &mp1_ras_func_v13_0;
37 	default:
38 		RAS_DEV_ERR(ras_core->dev,
39 			"MP1 ip version(0x%x) is not supported!\n", ip_version);
40 		break;
41 	}
42 
43 	return NULL;
44 }
45 
46 int ras_mp1_get_bank_count(struct ras_core_context *ras_core,
47 			    enum ras_err_type type, u32 *count)
48 {
49 	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
50 
51 	return mp1->ip_func->get_valid_bank_count(ras_core, type, count);
52 }
53 
54 int ras_mp1_dump_bank(struct ras_core_context *ras_core,
55 		u32 type, u32 idx, u32 reg_idx, u64 *val)
56 {
57 	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
58 
59 	return mp1->ip_func->dump_valid_bank(ras_core, type, idx, reg_idx, val);
60 }
61 
62 int ras_mp1_hw_init(struct ras_core_context *ras_core)
63 {
64 	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
65 
66 	mp1->mp1_ip_version = ras_core->config->mp1_ip_version;
67 	mp1->sys_func = ras_core->config->mp1_cfg.mp1_sys_fn;
68 	if (!mp1->sys_func) {
69 		RAS_DEV_ERR(ras_core->dev, "RAS mp1 sys function not configured!\n");
70 		return -EINVAL;
71 	}
72 
73 	mp1->ip_func = ras_mp1_get_ip_funcs(ras_core, mp1->mp1_ip_version);
74 
75 	return mp1->ip_func ? RAS_CORE_OK : -EINVAL;
76 }
77 
78 int ras_mp1_hw_fini(struct ras_core_context *ras_core)
79 {
80 	return 0;
81 }
82