diff options
Diffstat (limited to 'drivers/media/video/samsung/mali/common/mali_kernel_descriptor_mapping.h')
-rw-r--r-- | drivers/media/video/samsung/mali/common/mali_kernel_descriptor_mapping.h | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/drivers/media/video/samsung/mali/common/mali_kernel_descriptor_mapping.h b/drivers/media/video/samsung/mali/common/mali_kernel_descriptor_mapping.h deleted file mode 100644 index 82ed94d..0000000 --- a/drivers/media/video/samsung/mali/common/mali_kernel_descriptor_mapping.h +++ /dev/null @@ -1,101 +0,0 @@ -/* - * 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. - */ - -/** - * @file mali_kernel_descriptor_mapping.h - */ - -#ifndef __MALI_KERNEL_DESCRIPTOR_MAPPING_H__ -#define __MALI_KERNEL_DESCRIPTOR_MAPPING_H__ - -#include "mali_osk.h" - -/** - * The actual descriptor mapping table, never directly accessed by clients - */ -typedef struct mali_descriptor_table -{ - u32 * usage; /**< Pointer to bitpattern indicating if a descriptor is valid/used or not */ - void** mappings; /**< Array of the pointers the descriptors map to */ -} mali_descriptor_table; - -/** - * The descriptor mapping object - * Provides a separate namespace where we can map an integer to a pointer - */ -typedef struct mali_descriptor_mapping -{ - _mali_osk_lock_t *lock; /**< Lock protecting access to the mapping object */ - int max_nr_mappings_allowed; /**< Max number of mappings to support in this namespace */ - int current_nr_mappings; /**< Current number of possible mappings */ - mali_descriptor_table * table; /**< Pointer to the current mapping table */ -} mali_descriptor_mapping; - -/** - * Create a descriptor mapping object - * Create a descriptor mapping capable of holding init_entries growable to max_entries - * @param init_entries Number of entries to preallocate memory for - * @param max_entries Number of entries to max support - * @return Pointer to a descriptor mapping object, NULL on failure - */ -mali_descriptor_mapping * mali_descriptor_mapping_create(int init_entries, int max_entries); - -/** - * Destroy a descriptor mapping object - * @param map The map to free - */ -void mali_descriptor_mapping_destroy(mali_descriptor_mapping * map); - -/** - * Allocate a new mapping entry (descriptor ID) - * Allocates a new entry in the map. - * @param map The map to allocate a new entry in - * @param target The value to map to - * @return The descriptor allocated, a negative value on error - */ -_mali_osk_errcode_t mali_descriptor_mapping_allocate_mapping(mali_descriptor_mapping * map, void * target, int *descriptor); - -/** - * Get the value mapped to by a descriptor ID - * @param map The map to lookup the descriptor id in - * @param descriptor The descriptor ID to lookup - * @param target Pointer to a pointer which will receive the stored value - * @return 0 on successful lookup, negative on error - */ -_mali_osk_errcode_t mali_descriptor_mapping_get(mali_descriptor_mapping * map, int descriptor, void** target); - -/** - * Set the value mapped to by a descriptor ID - * @param map The map to lookup the descriptor id in - * @param descriptor The descriptor ID to lookup - * @param target Pointer to replace the current value with - * @return 0 on successful lookup, negative on error - */ -_mali_osk_errcode_t mali_descriptor_mapping_set(mali_descriptor_mapping * map, int descriptor, void * target); - -/** - * Call the specified callback function for each descriptor in map. - * Entire function is mutex protected. - * @param map The map to do callbacks for - * @param callback A callback function which will be calle for each entry in map - */ -void mali_descriptor_mapping_call_for_each(mali_descriptor_mapping * map, void (*callback)(int, void*)); - -/** - * Free the descriptor ID - * For the descriptor to be reused it has to be freed - * @param map The map to free the descriptor from - * @param descriptor The descriptor ID to free - * - * @return old value of descriptor mapping - */ -void *mali_descriptor_mapping_free(mali_descriptor_mapping * map, int descriptor); - -#endif /* __MALI_KERNEL_DESCRIPTOR_MAPPING_H__ */ |