diff options
Diffstat (limited to 'drivers/gpu/arm/midgard/mali_kbase_mem_lowlevel.h')
-rw-r--r-- | drivers/gpu/arm/midgard/mali_kbase_mem_lowlevel.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/arm/midgard/mali_kbase_mem_lowlevel.h b/drivers/gpu/arm/midgard/mali_kbase_mem_lowlevel.h new file mode 100644 index 000000000000..2b3985ea4fca --- /dev/null +++ b/drivers/gpu/arm/midgard/mali_kbase_mem_lowlevel.h @@ -0,0 +1,48 @@ +/* + * + * (C) COPYRIGHT 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. + * + */ + + + + + +#ifndef _KBASE_MEM_LOWLEVEL_H +#define _KBASE_MEM_LOWLEVEL_H + +#ifndef _KBASE_H_ +#error "Don't include this file directly, use mali_kbase.h instead" +#endif + +#include <linux/dma-mapping.h> + +/** + * @brief Flags for kbase_phy_allocator_pages_alloc + */ +#define KBASE_PHY_PAGES_FLAG_DEFAULT (0) /** Default allocation flag */ +#define KBASE_PHY_PAGES_FLAG_CLEAR (1 << 0) /** Clear the pages after allocation */ +#define KBASE_PHY_PAGES_FLAG_POISON (1 << 1) /** Fill the memory with a poison value */ + +#define KBASE_PHY_PAGES_SUPPORTED_FLAGS (KBASE_PHY_PAGES_FLAG_DEFAULT|KBASE_PHY_PAGES_FLAG_CLEAR|KBASE_PHY_PAGES_FLAG_POISON) + +#define KBASE_PHY_PAGES_POISON_VALUE 0xFD /** Value to fill the memory with when KBASE_PHY_PAGES_FLAG_POISON is set */ + +/** + * A pointer to a cache synchronization function, either dma_sync_single_for_cpu + * or dma_sync_single_for_device. + */ +typedef void (*kbase_sync_kmem_fn) (struct device *, dma_addr_t, size_t size, + enum dma_data_direction); + + +#endif /* _KBASE_LOWLEVEL_H */ |