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Revert "Added comment to spi.c"

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This reverts commit 28aae2c427.
This commit is contained in:
igor-m
2014-04-17 01:06:49 +02:00
parent 54a771c6f0
commit 1d1151403b
2 changed files with 0 additions and 309 deletions
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47
sys/include/spi.h
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@@ -1,47 +0,0 @@
/*
* Copyright (c) 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/
/*
* Ioctl definitions for SPI driver.
*/
#ifndef _SPI_H
#define _SPI_H
#include <sys/ioctl.h>
#define SPICTL_SETMODE _IO ('p', 0) /* set SPI mode */
#define SPICTL_SETRATE _IO ('p', 1) /* set clock rate, kHz */
#define SPICTL_SETSELPIN _IO ('p', 2) /* set select pin */
#define SPICTL_IO8(n) _ION('p', 3, n) /* transfer n*8 bits */
#define SPICTL_IO16(n) _ION('p', 4, n) /* transfer n*16 bits */
#define SPICTL_IO32(n) _ION('p', 5, n) /* transfer n*32 bits */
#define SPICTL_IO8R(n) _ION('p', 6, n) /* transfer R n*8 bits */
#define SPICTL_IO16R(n) _ION('p', 7, n) /* transfer R n*16 bits */
#define SPICTL_IO32R(n) _ION('p', 8, n) /* transfer R n*32 bits */
#define SPICTL_IO8W(n) _ION('p', 9, n) /* transfer W n*8 bits */
#define SPICTL_IO16W(n) _ION('p', 10, n) /* transfer W n*16 bits */
#define SPICTL_IO32W(n) _ION('p', 11, n) /* transfer W n*32 bits */
#define SPICTL_IO32B(n) _ION('p', 12, n) /* transfer BE n*32 bits */
#define SPICTL_IO32RB(n) _ION('p', 13, n) /* transfer RBE n*32 bits */
#define SPICTL_IO32WB(n) _ION('p', 14, n) /* transfer WBE n*32 bits */
#ifdef KERNEL
#include "conf.h"
extern const struct devspec spidevs[];
int spidev_open (dev_t dev, int flag, int mode);
int spidev_close (dev_t dev, int flag, int mode);
int spidev_read (dev_t dev, struct uio *uio, int flag);
int spidev_write (dev_t dev, struct uio *uio, int flag);
int spidev_ioctl (dev_t dev, u_int cmd, caddr_t addr, int flag);
#endif
#endif