init commit

hc

2023-02-13 e440ec23c5a540cdd3f7464e8779219be6fd3d95

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
/*
 *
 * (C) COPYRIGHT 2015 ARM Limited. All rights reserved.
 *
 * This program is free software and is provided to you under the terms of the
 * GNU General Public License version 2 as published by the Free Software
 * Foundation, and any use by you of this program is subject to the terms
 * of such GNU licence.
 *
 * A copy of the licence is included with the program, and can also be obtained
 * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 *
 */
 
 
 
#include <mali_kbase.h>
#include <mali_kbase_defs.h>
#include <linux/pm_runtime.h>
#include <linux/suspend.h>
 
static int pm_callback_power_on(struct kbase_device *kbdev)
{
    int ret;
 
    dev_dbg(kbdev->dev, "pm_callback_power_on %p\n",
            (void *)kbdev->dev->pm_domain);
 
    ret = pm_runtime_get_sync(kbdev->dev);
 
    dev_dbg(kbdev->dev, "pm_runtime_get returned %d\n", ret);
 
    return 1;
}
 
static void pm_callback_power_off(struct kbase_device *kbdev)
{
    dev_dbg(kbdev->dev, "pm_callback_power_off\n");
 
    pm_runtime_put_autosuspend(kbdev->dev);
}
 
int kbase_device_runtime_init(struct kbase_device *kbdev)
{
    dev_dbg(kbdev->dev, "kbase_device_runtime_init\n");
    pm_runtime_enable(kbdev->dev);
 
    return 0;
}
 
void kbase_device_runtime_disable(struct kbase_device *kbdev)
{
    dev_dbg(kbdev->dev, "kbase_device_runtime_disable\n");
    pm_runtime_disable(kbdev->dev);
}
 
static int pm_callback_runtime_on(struct kbase_device *kbdev)
{
    dev_dbg(kbdev->dev, "pm_callback_runtime_on\n");
 
    return 0;
}
 
static void pm_callback_runtime_off(struct kbase_device *kbdev)
{
    dev_dbg(kbdev->dev, "pm_callback_runtime_off\n");
}
 
static void pm_callback_resume(struct kbase_device *kbdev)
{
    int ret = pm_callback_runtime_on(kbdev);
 
    WARN_ON(ret);
}
 
static void pm_callback_suspend(struct kbase_device *kbdev)
{
    pm_callback_runtime_off(kbdev);
}
 
struct kbase_pm_callback_conf pm_callbacks = {
    .power_on_callback = pm_callback_power_on,
    .power_off_callback = pm_callback_power_off,
    .power_suspend_callback = pm_callback_suspend,
    .power_resume_callback = pm_callback_resume,
#ifdef KBASE_PM_RUNTIME
    .power_runtime_init_callback = kbase_device_runtime_init,
    .power_runtime_term_callback = kbase_device_runtime_disable,
    .power_runtime_on_callback = pm_callback_runtime_on,
    .power_runtime_off_callback = pm_callback_runtime_off,
#else                /* KBASE_PM_RUNTIME */
    .power_runtime_init_callback = NULL,
    .power_runtime_term_callback = NULL,
    .power_runtime_on_callback = NULL,
    .power_runtime_off_callback = NULL,
#endif                /* KBASE_PM_RUNTIME */
};