diff options
Diffstat (limited to 'arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.h')
| -rw-r--r-- | arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.h b/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.h new file mode 100644 index 00000000000..d27566d99ff --- /dev/null +++ b/arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.h @@ -0,0 +1,69 @@ +/* + * arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c + * + * Copyright (C) 2003 PMC-Sierra Inc. + * Author: Manish Lachwani (lachwani@pmc-sierra.com) + * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* + * Header file for atmel_read_eeprom.c + */ + +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/version.h> +#include <asm/pci.h> +#include <asm/io.h> +#include <linux/init.h> +#include <asm/termios.h> +#include <asm/ioctls.h> +#include <linux/ioctl.h> +#include <linux/fcntl.h> + +#define DEFAULT_PORT "/dev/ttyS0" /* Port to open */ +#define TXX 0 /* Dummy loop for spinning */ + +#define BLOCK_SEL 0x00 +#define SLAVE_ADDR 0xa0 +#define READ_BIT 0x01 +#define WRITE_BIT 0x00 +#define R_HEADER SLAVE_ADDR + BLOCK_SEL + READ_BIT +#define W_HEADER SLAVE_ADDR + BLOCK_SEL + WRITE_BIT + +/* + * Clock, Voltages and Data + */ +#define vcc_off (ioctl(fd, TIOCSBRK, 0)) +#define vcc_on (ioctl(fd, TIOCCBRK, 0)) +#define sda_hi (ioctl(fd, TIOCMBIS, &dtr)) +#define sda_lo (ioctl(fd, TIOCMBIC, &dtr)) +#define scl_lo (ioctl(fd, TIOCMBIC, &rts)) +#define scl_hi (ioctl(fd, TIOCMBIS, &rts)) + +const char rts = TIOCM_RTS; +const char dtr = TIOCM_DTR; +int fd; + |