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Peter Tysera7c93102008-12-17 16:36:22 -06001/*
2 * Copyright 2008 Extreme Engineering Solutions, Inc.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * Version 2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
16 * MA 02111-1307 USA
17 */
18
19#ifndef __DS4510_H_
20#define __DS4510_H_
21
22/* General defines */
23#define DS4510_NUM_IO 0x04
24#define DS4510_IO_MASK ((1 << DS4510_NUM_IO) - 1)
25#define DS4510_EEPROM_PAGE_WRITE_DELAY_MS 20
26
27/* EEPROM from 0x00 - 0x39 */
28#define DS4510_EEPROM 0x00
29#define DS4510_EEPROM_SIZE 0x40
30#define DS4510_EEPROM_PAGE_SIZE 0x08
31#define DS4510_EEPROM_PAGE_OFFSET(x) ((x) & (DS4510_EEPROM_PAGE_SIZE - 1))
32
33/* SEEPROM from 0xf0 - 0xf7 */
34#define DS4510_SEEPROM 0xf0
35#define DS4510_SEEPROM_SIZE 0x08
36
37/* Registers overlapping SEEPROM from 0xf0 - 0xf7 */
38#define DS4510_PULLUP 0xF0
39#define DS4510_PULLUP_DIS 0x00
40#define DS4510_PULLUP_EN 0x01
41#define DS4510_RSTDELAY 0xF1
42#define DS4510_RSTDELAY_MASK 0x03
43#define DS4510_RSTDELAY_125 0x00
44#define DS4510_RSTDELAY_250 0x01
45#define DS4510_RSTDELAY_500 0x02
46#define DS4510_RSTDELAY_1000 0x03
47#define DS4510_IO3 0xF4
48#define DS4510_IO2 0xF5
49#define DS4510_IO1 0xF6
50#define DS4510_IO0 0xF7
51
52/* Status configuration registers from 0xf8 - 0xf9*/
53#define DS4510_IO_STATUS 0xF8
54#define DS4510_CFG 0xF9
55#define DS4510_CFG_READY 0x80
56#define DS4510_CFG_TRIP_POINT 0x40
57#define DS4510_CFG_RESET 0x20
58#define DS4510_CFG_SEE 0x10
59#define DS4510_CFG_SWRST 0x08
60
61/* SRAM from 0xfa - 0xff */
62#define DS4510_SRAM 0xfa
63#define DS4510_SRAM_SIZE 0x06
64
65int ds4510_mem_write(uint8_t chip, int offset, uint8_t *buf, int count);
66int ds4510_mem_read(uint8_t chip, int offset, uint8_t *buf, int count);
67int ds4510_see_write(uint8_t chip, uint8_t nv);
68int ds4510_rstdelay_write(uint8_t chip, uint8_t delay);
69int ds4510_pullup_write(uint8_t chip, uint8_t val);
70int ds4510_pullup_read(uint8_t chip);
71int ds4510_gpio_write(uint8_t chip, uint8_t val);
72int ds4510_gpio_read(uint8_t chip);
73int ds4510_gpio_read_val(uint8_t chip);
74
75#endif /* __DS4510_H_ */