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 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_broadcast.h"
#include "mali_kernel_common.h"
#include "mali_osk.h"
static const int bcast_unit_reg_size = 0x1000;
static const int bcast_unit_addr_broadcast_mask = 0x0;
static const int bcast_unit_addr_irq_override_mask = 0x4;
struct mali_bcast_unit
{
struct mali_hw_core hw_core;
u32 current_mask;
};
struct mali_bcast_unit *mali_bcast_unit_create(const _mali_osk_resource_t *resource)
{
struct mali_bcast_unit *bcast_unit = NULL;
MALI_DEBUG_ASSERT_POINTER(resource);
MALI_DEBUG_PRINT(2, ("Mali Broadcast unit: Creating Mali Broadcast unit: %s\n", resource->description));
bcast_unit = _mali_osk_malloc(sizeof(struct mali_bcast_unit));
if (NULL == bcast_unit)
{
MALI_PRINT_ERROR(("Mali Broadcast unit: Failed to allocate memory for Broadcast unit\n"));
return NULL;
}
if (_MALI_OSK_ERR_OK == mali_hw_core_create(&bcast_unit->hw_core, resource, bcast_unit_reg_size))
{
bcast_unit->current_mask = 0;
mali_bcast_reset(bcast_unit);
return bcast_unit;
}
else
{
MALI_PRINT_ERROR(("Mali Broadcast unit: Failed map broadcast unit\n"));
}
_mali_osk_free(bcast_unit);
return NULL;
}
void mali_bcast_unit_delete(struct mali_bcast_unit *bcast_unit)
{
MALI_DEBUG_ASSERT_POINTER(bcast_unit);
mali_hw_core_delete(&bcast_unit->hw_core);
_mali_osk_free(bcast_unit);
}
void mali_bcast_add_group(struct mali_bcast_unit *bcast_unit, struct mali_group *group)
{
u32 bcast_id;
u32 broadcast_mask;
MALI_DEBUG_ASSERT_POINTER(bcast_unit);
MALI_DEBUG_ASSERT_POINTER(group);
bcast_id = mali_pp_core_get_bcast_id(mali_group_get_pp_core(group));
broadcast_mask = bcast_unit->current_mask;
broadcast_mask |= (bcast_id); /* add PP core to broadcast */
broadcast_mask |= (bcast_id << 16); /* add MMU to broadcast */
/* store mask so we can restore on reset */
bcast_unit->current_mask = broadcast_mask;
}
void mali_bcast_remove_group(struct mali_bcast_unit *bcast_unit, struct mali_group *group)
{
u32 bcast_id;
u32 broadcast_mask;
MALI_DEBUG_ASSERT_POINTER(bcast_unit);
MALI_DEBUG_ASSERT_POINTER(group);
bcast_id = mali_pp_core_get_bcast_id(mali_group_get_pp_core(group));
broadcast_mask = bcast_unit->current_mask;
broadcast_mask &= ~((bcast_id << 16) | bcast_id);
/* store mask so we can restore on reset */
bcast_unit->current_mask = broadcast_mask;
}
void mali_bcast_reset(struct mali_bcast_unit *bcast_unit)
{
MALI_DEBUG_ASSERT_POINTER(bcast_unit);
/* set broadcast mask */
mali_hw_core_register_write(&bcast_unit->hw_core,
bcast_unit_addr_broadcast_mask,
bcast_unit->current_mask);
/* set IRQ override mask */
mali_hw_core_register_write(&bcast_unit->hw_core,
bcast_unit_addr_irq_override_mask,
bcast_unit->current_mask & 0xFF);
}
void mali_bcast_disable(struct mali_bcast_unit *bcast_unit)
{
MALI_DEBUG_ASSERT_POINTER(bcast_unit);
/* set broadcast mask */
mali_hw_core_register_write(&bcast_unit->hw_core,
bcast_unit_addr_broadcast_mask,
0x0);
/* set IRQ override mask */
mali_hw_core_register_write(&bcast_unit->hw_core,
bcast_unit_addr_irq_override_mask,
0x0);
}
|
