ds4510.h
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/*
* Copyright 2008 Extreme Engineering Solutions, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* Version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __DS4510_H_
#define __DS4510_H_
/* General defines */
#define DS4510_NUM_IO 0x04
#define DS4510_IO_MASK ((1 << DS4510_NUM_IO) - 1)
#define DS4510_EEPROM_PAGE_WRITE_DELAY_MS 20
/* EEPROM from 0x00 - 0x39 */
#define DS4510_EEPROM 0x00
#define DS4510_EEPROM_SIZE 0x40
#define DS4510_EEPROM_PAGE_SIZE 0x08
#define DS4510_EEPROM_PAGE_OFFSET(x) ((x) & (DS4510_EEPROM_PAGE_SIZE - 1))
/* SEEPROM from 0xf0 - 0xf7 */
#define DS4510_SEEPROM 0xf0
#define DS4510_SEEPROM_SIZE 0x08
/* Registers overlapping SEEPROM from 0xf0 - 0xf7 */
#define DS4510_PULLUP 0xF0
#define DS4510_PULLUP_DIS 0x00
#define DS4510_PULLUP_EN 0x01
#define DS4510_RSTDELAY 0xF1
#define DS4510_RSTDELAY_MASK 0x03
#define DS4510_RSTDELAY_125 0x00
#define DS4510_RSTDELAY_250 0x01
#define DS4510_RSTDELAY_500 0x02
#define DS4510_RSTDELAY_1000 0x03
#define DS4510_IO3 0xF4
#define DS4510_IO2 0xF5
#define DS4510_IO1 0xF6
#define DS4510_IO0 0xF7
/* Status configuration registers from 0xf8 - 0xf9*/
#define DS4510_IO_STATUS 0xF8
#define DS4510_CFG 0xF9
#define DS4510_CFG_READY 0x80
#define DS4510_CFG_TRIP_POINT 0x40
#define DS4510_CFG_RESET 0x20
#define DS4510_CFG_SEE 0x10
#define DS4510_CFG_SWRST 0x08
/* SRAM from 0xfa - 0xff */
#define DS4510_SRAM 0xfa
#define DS4510_SRAM_SIZE 0x06
int ds4510_mem_write(uint8_t chip, int offset, uint8_t *buf, int count);
int ds4510_mem_read(uint8_t chip, int offset, uint8_t *buf, int count);
int ds4510_see_write(uint8_t chip, uint8_t nv);
int ds4510_rstdelay_write(uint8_t chip, uint8_t delay);
int ds4510_pullup_write(uint8_t chip, uint8_t val);
int ds4510_pullup_read(uint8_t chip);
int ds4510_gpio_write(uint8_t chip, uint8_t val);
int ds4510_gpio_read(uint8_t chip);
int ds4510_gpio_read_val(uint8_t chip);
#endif /* __DS4510_H_ */