diff options
Diffstat (limited to 'drivers/media/video/samsung/mali/common/mali_mmu.h')
-rw-r--r-- | drivers/media/video/samsung/mali/common/mali_mmu.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/media/video/samsung/mali/common/mali_mmu.h b/drivers/media/video/samsung/mali/common/mali_mmu.h new file mode 100644 index 0000000..c7274b8 --- /dev/null +++ b/drivers/media/video/samsung/mali/common/mali_mmu.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2010-2012 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. + */ + +#ifndef __MALI_MMU_H__ +#define __MALI_MMU_H__ + +#include "mali_osk.h" +#include "mali_mmu_page_directory.h" + +/* Forward declaration from mali_group.h */ +struct mali_group; + +struct mali_mmu_core; + +_mali_osk_errcode_t mali_mmu_initialize(void); + +void mali_mmu_terminate(void); + +struct mali_mmu_core *mali_mmu_create(_mali_osk_resource_t *resource); +void mali_mmu_set_group(struct mali_mmu_core *mmu, struct mali_group *group); +void mali_mmu_delete(struct mali_mmu_core *mmu); + +_mali_osk_errcode_t mali_mmu_reset(struct mali_mmu_core *mmu); +mali_bool mali_mmu_zap_tlb(struct mali_mmu_core *mmu); +void mali_mmu_zap_tlb_without_stall(struct mali_mmu_core *mmu); +void mali_mmu_invalidate_page(struct mali_mmu_core *mmu, u32 mali_address); + +mali_bool mali_mmu_activate_page_directory(struct mali_mmu_core* mmu, struct mali_page_directory *pagedir); +void mali_mmu_activate_empty_page_directory(struct mali_mmu_core* mmu); +void mali_mmu_activate_fault_flush_page_directory(struct mali_mmu_core* mmu); + +/** + * Issues the enable stall command to the MMU and waits for HW to complete the request + * @param mmu The MMU to enable paging for + * @return MALI_TRUE if HW stall was successfully engaged, otherwise MALI_FALSE (req timed out) + */ +mali_bool mali_mmu_enable_stall(struct mali_mmu_core *mmu); + +/** + * Issues the disable stall command to the MMU and waits for HW to complete the request + * @param mmu The MMU to enable paging for + */ +void mali_mmu_disable_stall(struct mali_mmu_core *mmu); + +void mali_mmu_page_fault_done(struct mali_mmu_core *mmu); + + +#endif /* __MALI_MMU_H__ */ |