1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*
* Copyright (c) 2020-2023, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stddef.h>
#include <lpm/mt_lp_rm.h>
struct platform_mt_resource_manager {
unsigned int count;
struct mt_resource_manager *plat_rm;
};
static struct platform_mt_resource_manager plat_mt_rm;
int mt_lp_rm_register(struct mt_resource_manager *rm)
{
unsigned int i;
struct mt_resource_constraint *const *rc;
if ((rm == NULL) || (rm->consts == NULL) ||
(plat_mt_rm.plat_rm != NULL)) {
return MT_RM_STATUS_BAD;
}
for (i = 0U, rc = rm->consts; *rc != NULL; i++, rc++) {
if ((*rc)->init != NULL) {
(*rc)->init();
}
}
plat_mt_rm.plat_rm = rm;
plat_mt_rm.count = i;
return MT_RM_STATUS_OK;
}
int mt_lp_rm_reset_constraint(unsigned int idx, unsigned int cpuid, int stateid)
{
struct mt_resource_constraint const *rc = NULL;
if ((plat_mt_rm.plat_rm == NULL) || (idx >= plat_mt_rm.count)) {
return MT_RM_STATUS_BAD;
}
rc = plat_mt_rm.plat_rm->consts[idx];
if ((rc == NULL) || (rc->reset == NULL)) {
return MT_RM_STATUS_BAD;
}
return rc->reset(cpuid, stateid);
}
int mt_lp_rm_get_status(unsigned int type, void *priv)
{
int res = 0;
struct mt_resource_constraint *const *con;
struct mt_resource_manager *rm = plat_mt_rm.plat_rm;
if ((rm == NULL) || (type >= PLAT_RC_MAX)) {
return -1;
}
for (con = rm->consts; *con != NULL; con++) {
if ((*con)->get_status == NULL) {
continue;
}
res = (*con)->get_status(type, priv);
if (res == MT_RM_STATUS_STOP) {
break;
}
}
return res;
}
int mt_lp_rm_do_constraint(unsigned int constraint_id, unsigned int cpuid, int stateid)
{
int res = MT_RM_STATUS_BAD;
struct mt_resource_constraint const *rc;
struct mt_resource_manager *rm = plat_mt_rm.plat_rm;
if ((rm == NULL) || (constraint_id >= plat_mt_rm.count)) {
return res;
}
rc = rm->consts[constraint_id];
if ((rc != NULL) && (rc->run != NULL)) {
res = rc->run(cpuid, stateid);
}
return res;
}
int mt_lp_rm_find_constraint(unsigned int idx, unsigned int cpuid,
int stateid, void *priv)
{
unsigned int i;
int res = MT_RM_STATUS_BAD;
struct mt_resource_constraint *const *rc;
struct mt_resource_manager *rm = plat_mt_rm.plat_rm;
if ((rm == NULL) || (idx >= plat_mt_rm.count)) {
return res;
}
/* If subsys clk/mtcmos is on, add block-resource-off flag */
if (rm->update != NULL) {
res = rm->update(rm->consts, plat_mt_rm.count, stateid, priv);
if (res != 0) {
return MT_RM_STATUS_BAD;
}
}
res = MT_RM_STATUS_BAD;
for (i = idx, rc = (rm->consts + idx); *rc != NULL; i++, rc++) {
if (((*rc)->is_valid != NULL) &&
((*rc)->is_valid(cpuid, stateid))) {
res = i;
break;
}
}
return res;
}
int mt_lp_rm_find_and_run_constraint(unsigned int idx, unsigned int cpuid,
int stateid, void *priv)
{
int res = MT_RM_STATUS_BAD;
res = mt_lp_rm_find_constraint(idx, cpuid, stateid, priv);
if (res != MT_RM_STATUS_BAD) {
mt_lp_rm_do_constraint(res, cpuid, stateid);
}
return res;
}
int mt_lp_rm_do_update(int stateid, int type, void const *p)
{
int res = MT_RM_STATUS_BAD;
struct mt_resource_constraint *const *rc;
struct mt_resource_manager *rm = plat_mt_rm.plat_rm;
if (rm == NULL) {
return res;
}
for (rc = rm->consts; *rc != NULL; rc++) {
if ((*rc)->update != NULL) {
res = (*rc)->update(stateid, type, p);
if (res != MT_RM_STATUS_OK) {
break;
}
}
}
return res;
}
|
