1 /*
2 * Copyright (C) 2011-2014, 2016-2017 ARM Limited. All rights reserved.
3 *
4 * This program is free software and is provided to you under the terms of the GNU General Public License version 2
5 * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
6 *
7 * A copy of the licence is included with the program, and can also be obtained from Free Software
8 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
9 */
10
11 #include "mali_hw_core.h"
12 #include "mali_osk.h"
13 #include "mali_kernel_common.h"
14 #include "mali_osk_mali.h"
15
mali_hw_core_create(struct mali_hw_core * core,const _mali_osk_resource_t * resource,u32 reg_size)16 _mali_osk_errcode_t mali_hw_core_create(struct mali_hw_core *core, const _mali_osk_resource_t *resource, u32 reg_size)
17 {
18 core->phys_addr = resource->base;
19 core->phys_offset = resource->base - _mali_osk_resource_base_address();
20 core->description = resource->description;
21 core->size = reg_size;
22
23 MALI_DEBUG_ASSERT(core->phys_offset < core->phys_addr);
24
25 if (_MALI_OSK_ERR_OK == _mali_osk_mem_reqregion(core->phys_addr, core->size, core->description)) {
26 core->mapped_registers = _mali_osk_mem_mapioregion(core->phys_addr, core->size, core->description);
27 if (NULL != core->mapped_registers) {
28 return _MALI_OSK_ERR_OK;
29 } else {
30 MALI_PRINT_ERROR(("Failed to map memory region for core %s at phys_addr 0x%08X\n", core->description, core->phys_addr));
31 }
32 _mali_osk_mem_unreqregion(core->phys_addr, core->size);
33 } else {
34 MALI_PRINT_ERROR(("Failed to request memory region for core %s at phys_addr 0x%08X\n", core->description, core->phys_addr));
35 }
36
37 return _MALI_OSK_ERR_FAULT;
38 }
39
mali_hw_core_delete(struct mali_hw_core * core)40 void mali_hw_core_delete(struct mali_hw_core *core)
41 {
42 if (NULL != core->mapped_registers) {
43 _mali_osk_mem_unmapioregion(core->phys_addr, core->size, core->mapped_registers);
44 core->mapped_registers = NULL;
45 }
46 _mali_osk_mem_unreqregion(core->phys_addr, core->size);
47 }
48