25 lines
537 B
C
Executable file
25 lines
537 B
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* mtk-mmap-ion.h -- Mediatek Smart Phone PCM Operation
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*
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* Copyright (c) 2017 MediaTek Inc.
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* Author: Kai Chieh Chuang <kaichieh.chuang@mediatek.com>
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*/
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#ifndef _MTK_MMAP_ION_H_
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#define _MTK_MMAP_ION_H_
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#define MMAP_BUFFER_SIZE (24*1024)
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int mtk_get_ion_buffer(void);
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int mtk_get_mmap_dl_fd(void);
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int mtk_get_mmap_ul_fd(void);
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void mtk_get_mmap_dl_buffer(unsigned long *phy_addr, void **vir_addr);
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void mtk_get_mmap_ul_buffer(unsigned long *phy_addr, void **vir_addr);
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#endif
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