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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.h
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/*

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 *  arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c

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 *

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 *  Copyright (C) 2003 PMC-Sierra Inc.

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 *  Author: Manish Lachwani ([email protected])

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 *  Copyright (C) 2005 Ralf Baechle ([email protected])

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 *

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 *  This program is free software; you can redistribute  it and/or modify it

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 *  under  the terms of  the GNU General  Public License as published by the

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 *  Free Software Foundation;  either version 2 of the  License, or (at your

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 *  option) any later version.

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 *

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 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED

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 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF

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 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN

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 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,

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 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

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 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF

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 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON

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 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT

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 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

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 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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 *

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 *  You should have received a copy of the  GNU General Public License along

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 *  with this program; if not, write  to the Free Software Foundation, Inc.,

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 *  675 Mass Ave, Cambridge, MA 02139, USA.

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 */

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/*

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 * Header file for atmel_read_eeprom.c

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 */

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#include <linux/types.h>

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#include <linux/pci.h>

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#include <linux/kernel.h>

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#include <linux/slab.h>

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#include <asm/pci.h>

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#include <asm/io.h>

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#include <linux/init.h>

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#include <asm/termios.h>

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#include <asm/ioctls.h>

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#include <linux/ioctl.h>

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#include <linux/fcntl.h>

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#define	DEFAULT_PORT 	"/dev/ttyS0"	/* Port to open */

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#define	TXX		0 		/* Dummy loop for spinning */

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#define	BLOCK_SEL	0x00

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#define	SLAVE_ADDR	0xa0

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#define	READ_BIT	0x01

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#define	WRITE_BIT	0x00

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#define	R_HEADER	SLAVE_ADDR + BLOCK_SEL + READ_BIT

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#define	W_HEADER	SLAVE_ADDR + BLOCK_SEL + WRITE_BIT

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/*

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 * Clock, Voltages and Data

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 */

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#define	vcc_off		(ioctl(fd, TIOCSBRK, 0))

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#define	vcc_on		(ioctl(fd, TIOCCBRK, 0))

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#define	sda_hi		(ioctl(fd, TIOCMBIS, &dtr))

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#define	sda_lo		(ioctl(fd, TIOCMBIC, &dtr))

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#define	scl_lo		(ioctl(fd, TIOCMBIC, &rts))

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#define	scl_hi		(ioctl(fd, TIOCMBIS, &rts))

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const char rts = TIOCM_RTS;

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const char dtr = TIOCM_DTR;

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int fd;

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