linux/drivers/staging/mali/DX910-SW-99002-r5p2-00rel0/driver/src/devicedrv/mali/common/mali_hw_core.c
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   1/*
   2 * Copyright (C) 2011-2015 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
  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
  40void 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