blob: d578fd78e82597cc845bd9813129eaa44bfcb0f4 (
plain)
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
|
/*
*
* (C) COPYRIGHT 2014-2016 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.
*
*/
/*
* Register-based HW access backend APIs
*/
#include <mali_kbase.h>
#include <mali_kbase_hwaccess_backend.h>
#include <backend/gpu/mali_kbase_irq_internal.h>
#include <backend/gpu/mali_kbase_jm_internal.h>
#include <backend/gpu/mali_kbase_js_internal.h>
#include <backend/gpu/mali_kbase_pm_internal.h>
int kbase_backend_early_init(struct kbase_device *kbdev)
{
int err;
err = kbasep_platform_device_init(kbdev);
if (err)
return err;
/* Ensure we can access the GPU registers */
kbase_pm_register_access_enable(kbdev);
/* Find out GPU properties based on the GPU feature registers */
kbase_gpuprops_set(kbdev);
/* We're done accessing the GPU registers for now. */
kbase_pm_register_access_disable(kbdev);
err = kbase_hwaccess_pm_init(kbdev);
if (err)
goto fail_pm;
err = kbase_install_interrupts(kbdev);
if (err)
goto fail_interrupts;
return 0;
fail_interrupts:
kbase_hwaccess_pm_term(kbdev);
fail_pm:
kbasep_platform_device_term(kbdev);
return err;
}
void kbase_backend_early_term(struct kbase_device *kbdev)
{
kbase_release_interrupts(kbdev);
kbase_hwaccess_pm_term(kbdev);
kbasep_platform_device_term(kbdev);
}
int kbase_backend_late_init(struct kbase_device *kbdev)
{
int err;
err = kbase_hwaccess_pm_powerup(kbdev, PM_HW_ISSUES_DETECT);
if (err)
return err;
err = kbase_backend_timer_init(kbdev);
if (err)
goto fail_timer;
#ifdef CONFIG_MALI_DEBUG
#ifndef CONFIG_MALI_NO_MALI
if (kbasep_common_test_interrupt_handlers(kbdev) != 0) {
dev_err(kbdev->dev, "Interrupt assigment check failed.\n");
err = -EINVAL;
goto fail_interrupt_test;
}
#endif /* !CONFIG_MALI_NO_MALI */
#endif /* CONFIG_MALI_DEBUG */
err = kbase_job_slot_init(kbdev);
if (err)
goto fail_job_slot;
init_waitqueue_head(&kbdev->hwaccess.backend.reset_wait);
return 0;
fail_job_slot:
#ifdef CONFIG_MALI_DEBUG
#ifndef CONFIG_MALI_NO_MALI
fail_interrupt_test:
#endif /* !CONFIG_MALI_NO_MALI */
#endif /* CONFIG_MALI_DEBUG */
kbase_backend_timer_term(kbdev);
fail_timer:
kbase_hwaccess_pm_halt(kbdev);
return err;
}
void kbase_backend_late_term(struct kbase_device *kbdev)
{
kbase_job_slot_halt(kbdev);
kbase_job_slot_term(kbdev);
kbase_backend_timer_term(kbdev);
kbase_hwaccess_pm_halt(kbdev);
}
|
