42 lines
1.5 KiB
C
Executable File
42 lines
1.5 KiB
C
Executable File
/*
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* ALSA SoC - Samsung Mailbox driver
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*
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* Copyright (c) 2016 Samsung Electronics Co. Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __VTS_MAILBOX_H
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#define __VTS_MAILBOX_H
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/**
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* Mailbox interrupt generator
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* @param[in] pdev pointer to struct platform_device of target mailbox device
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* @param[in] hw_irq hardware irq number which is same with bit index of the irq
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* @return error code if any
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*/
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extern int mailbox_generate_interrupt(const struct platform_device *pdev, int hw_irq);
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/**
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* Mailbox shared register writer
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* @param[in] pdev pointer to struct platform_device of target mailbox device
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* @param[in] values values to write
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* @param[in] start start position to write. if 0, values are written from ISSR0
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* @param[in] count count of value in values.
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*/
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extern void mailbox_write_shared_register(const struct platform_device *pdev,
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const u32 *values, int start, int count);
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/**
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* Mailbox shared register reader
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* @param[in] pdev pointer to struct platform_device of target mailbox device
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* @param[out] values memory to write
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* @param[in] start start position to read. if 1, values are read from ISSR1
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* @param[in] count count of value in values.
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*/
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extern void mailbox_read_shared_register(const struct platform_device *pdev,
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u32 *values, int start, int count);
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#endif /* __VTS_MAILBOX_H */ |