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
|
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <fcntl.h>
#include <dlfcn.h>
#define LOG_TAG "PowerHAL"
#include <utils/Log.h>
#include <hardware/hardware.h>
#include <hardware/power.h>
#define BOOST_SOCKET "/dev/socket/mpdecision/boost"
static int client_sockfd;
static struct sockaddr_un client_addr;
static void power_init(struct power_module *module)
{
ALOGI("%s", __func__);
client_sockfd = socket(PF_UNIX, SOCK_DGRAM, 0);
if (client_sockfd < 0) {
ALOGE("%s: failed to open: %s", __func__, strerror(errno));
return;
}
memset(&client_addr, 0, sizeof(struct sockaddr_un));
client_addr.sun_family = AF_UNIX;
snprintf(client_addr.sun_path, UNIX_PATH_MAX, BOOST_SOCKET);
}
static void touch_boost()
{
int rc;
if (client_sockfd < 0) {
ALOGE("%s: touchboost socket not created", __func__);
return;
}
rc = sendto(client_sockfd, "1", 1, 0, (const struct sockaddr *)&client_addr, sizeof(struct sockaddr_un));
if (rc < 0) {
ALOGE("%s: failed to send: %s", __func__, strerror(errno));
}
}
static void core_boost(int on)
{
int rc;
if (client_sockfd < 0) {
ALOGE("%s: touchboost socket not created", __func__);
return;
}
if (!on) {
rc = sendto(client_sockfd, "2", 1, 0, (const struct sockaddr *)&client_addr, sizeof(struct sockaddr_un));
} else {
rc = sendto(client_sockfd, "3", 1, 0, (const struct sockaddr *)&client_addr, sizeof(struct sockaddr_un));
}
if (rc < 0) {
ALOGE("%s: failed to send: %s", __func__, strerror(errno));
}
}
static void power_set_interactive(struct power_module *module, int on)
{
ALOGV("%s %s", __func__, (on ? "ON" : "OFF"));
if (on) {
core_boost(1);
touch_boost();
} else {
core_boost(0);
}
}
static void power_hint(struct power_module *module, power_hint_t hint,
void *data) {
switch (hint) {
case POWER_HINT_INTERACTION:
ALOGV("POWER_HINT_INTERACTION");
touch_boost();
break;
#if 0
case POWER_HINT_VSYNC:
ALOGV("POWER_HINT_VSYNC %s", (data ? "ON" : "OFF"));
break;
#endif
default:
break;
}
}
static struct hw_module_methods_t power_module_methods = {
.open = NULL,
};
struct power_module HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = POWER_MODULE_API_VERSION_0_2,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = POWER_HARDWARE_MODULE_ID,
.name = "Qualcomm Power HAL",
.author = "The Android Open Source Project",
.methods = &power_module_methods,
},
.init = power_init,
.setInteractive = power_set_interactive,
.powerHint = power_hint,
};
|
