40 lines
1.2 KiB
C
Executable File
40 lines
1.2 KiB
C
Executable File
/****************************************************************************
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*
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* Copyright (c) 2014 - 2017 Samsung Electronics Co., Ltd. All rights reserved
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*
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****************************************************************************/
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#ifndef __MIFMBOXMAN_H
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#define __MIFMBOXMAN_H
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#include <linux/mutex.h>
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/* TODO: Needs to define the max mem */
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struct mifmboxman;
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struct scsc_mif_abs;
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struct mutex;
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int mifmboxman_init(struct mifmboxman *mbox);
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bool mifmboxman_alloc_mboxes(struct mifmboxman *mbox, int n, int *first_mbox_index);
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void mifmboxman_free_mboxes(struct mifmboxman *mbox, int first_mbox_index, int n);
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u32 *mifmboxman_get_mbox_ptr(struct mifmboxman *mbox, struct scsc_mif_abs *mif_abs, int mbox_index);
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int mifmboxman_deinit(struct mifmboxman *mbox);
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#ifdef CONFIG_SOC_EXYNOS7570
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#define MIFMBOX_NUM 8
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#elif defined(CONFIG_SOC_EXYNOS7872) || defined(CONFIG_SOC_EXYNOS7885) || defined(CONFIG_SOC_EXYNOS9610) || defined(CONFIG_SOC_EXYNOS9630)
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#define MIFMBOX_NUM 4
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#else /* emulation */
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#define MIFMBOX_NUM 8
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#endif
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/* Inclusion in core.c treat it as opaque */
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struct mifmboxman {
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bool in_use;
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u32 mbox_free;
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DECLARE_BITMAP(bitmap, MIFMBOX_NUM);
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struct mutex lock;
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};
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#endif
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