64 lines
2.2 KiB
C
Executable File
64 lines
2.2 KiB
C
Executable File
/****************************************************************************
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*
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* Copyright (c) 2014 - 2016 Samsung Electronics Co., Ltd. All rights reserved
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*
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****************************************************************************/
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#ifndef __MIFRAMMAN_H
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#define __MIFRAMMAN_H
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#include <linux/mutex.h>
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#include "scsc/api/bt_audio.h"
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/* TODO: Needs to define the max mem */
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struct miframman;
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struct mifabox;
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void miframman_init(struct miframman *ram, void *start_dram, size_t size_pool, void *start_region);
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void miframabox_init(struct mifabox *mifabox, void *start_aboxram);
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void *miframman_alloc(struct miframman *ram, size_t nbytes, size_t align, int tag);
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void miframman_free(struct miframman *ram, void *mem);
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void miframman_deinit(struct miframman *ram);
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void miframabox_deinit(struct mifabox *mifabox);
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void miframman_log(struct miframman *ram, struct seq_file *fd);
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#if defined(CONFIG_SOC_EXYNOS3830) || defined(CONFIG_SOC_EXYNOS7885)
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#define MIFRAMMAN_MAXMEM (12 * 1024 * 1024)
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#else
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#define MIFRAMMAN_MAXMEM (16 * 1024 * 1024)
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#endif
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#define MIFRAMMAN_BLOCK_SIZE (64)
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#define MIFRAMMAN_NUM_BLOCKS ((MIFRAMMAN_MAXMEM) / (MIFRAMMAN_BLOCK_SIZE))
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/* Block status in lower nibble */
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#define MIFRAMMAN_BLOCK_STATUS_MASK 0x0f
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#define BLOCK_FREE 0
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#define BLOCK_INUSE 1
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#define BLOCK_BOUND 2 /* Block allocation boundary */
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/* Block owner in upper nibble */
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#define MIFRAMMAN_BLOCK_OWNER_MASK 0xf0
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#define MIFRAMMAN_BLOCK_OWNER_SHIFT 4
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#define MIFRAMMAN_OWNER_COMMON 0 /* Owner tag for Common driver */
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/* Inclusion in core.c treat it as opaque */
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struct miframman {
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void *start_region; /* Base address of region containing the pool */
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void *start_dram; /* Base address of allocator pool */
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size_t size_pool; /* Size of allocator pool */
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char bitmap[MIFRAMMAN_NUM_BLOCKS]; /* Zero initialized-> all blocks free */
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u32 num_blocks; /* Blocks of MIFRAMMAN_BLOCK_SIZE in pool */
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u32 free_mem; /* Bytes remaining in allocator pool */
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struct mutex lock;
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};
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struct mifabox {
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struct scsc_bt_audio_abox *aboxram;
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};
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#endif
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