diff options
Diffstat (limited to 'drivers/gpu/arm/utgard/common/mali_hw_core.c')
-rw-r--r-- | drivers/gpu/arm/utgard/common/mali_hw_core.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/arm/utgard/common/mali_hw_core.c b/drivers/gpu/arm/utgard/common/mali_hw_core.c new file mode 100644 index 000000000000..c90cf38d8516 --- /dev/null +++ b/drivers/gpu/arm/utgard/common/mali_hw_core.c @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2011-2015 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_hw_core.h" +#include "mali_osk.h" +#include "mali_kernel_common.h" +#include "mali_osk_mali.h" + +_mali_osk_errcode_t mali_hw_core_create(struct mali_hw_core *core, const _mali_osk_resource_t *resource, u32 reg_size) +{ + core->phys_addr = resource->base; + core->phys_offset = resource->base - _mali_osk_resource_base_address(); + core->description = resource->description; + core->size = reg_size; + + MALI_DEBUG_ASSERT(core->phys_offset < core->phys_addr); + + if (_MALI_OSK_ERR_OK == _mali_osk_mem_reqregion(core->phys_addr, core->size, core->description)) { + core->mapped_registers = _mali_osk_mem_mapioregion(core->phys_addr, core->size, core->description); + if (NULL != core->mapped_registers) { + return _MALI_OSK_ERR_OK; + } else { + MALI_PRINT_ERROR(("Failed to map memory region for core %s at phys_addr 0x%08X\n", core->description, core->phys_addr)); + } + _mali_osk_mem_unreqregion(core->phys_addr, core->size); + } else { + MALI_PRINT_ERROR(("Failed to request memory region for core %s at phys_addr 0x%08X\n", core->description, core->phys_addr)); + } + + return _MALI_OSK_ERR_FAULT; +} + +void mali_hw_core_delete(struct mali_hw_core *core) +{ + if (NULL != core->mapped_registers) { + _mali_osk_mem_unmapioregion(core->phys_addr, core->size, core->mapped_registers); + core->mapped_registers = NULL; + } + _mali_osk_mem_unreqregion(core->phys_addr, core->size); +} |