33 lines
954 B
C
33 lines
954 B
C
/*
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* Copyright (C) 2007 Apple Inc. All rights reserved.
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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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*
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* This document is the property of Apple Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Inc.
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*/
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#ifndef __DRIVERS_SPI_H
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#define __DRIVERS_SPI_H
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#include <sys/types.h>
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__BEGIN_DECLS
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void spi_setup(int port, int baud, int width, bool master, int clkpol, int clkpha);
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int spi_write_etc(int port, const void *buf, size_t len, bool wait, bool with_rx);
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int spi_read_etc(int port, void *buf, size_t len, bool wait, bool with_tx);
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void spi_select(int port, bool select_state);
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void spi_init(void);
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u_int32_t spi_gpio_read(int port);
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void spi_gpio_write(int port, u_int32_t val);
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void spi_gpio_configure(int port, u_int32_t config);
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__END_DECLS
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#endif /* __DRIVERS_SPI_H */
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