| Peter Tyser | a7c9310 | 2008-12-17 16:36:22 -0600 | [diff] [blame] | 1 | /* |
| 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 | |
| 65 | int ds4510_mem_write(uint8_t chip, int offset, uint8_t *buf, int count); |
| 66 | int ds4510_mem_read(uint8_t chip, int offset, uint8_t *buf, int count); |
| 67 | int ds4510_see_write(uint8_t chip, uint8_t nv); |
| 68 | int ds4510_rstdelay_write(uint8_t chip, uint8_t delay); |
| 69 | int ds4510_pullup_write(uint8_t chip, uint8_t val); |
| 70 | int ds4510_pullup_read(uint8_t chip); |
| 71 | int ds4510_gpio_write(uint8_t chip, uint8_t val); |
| 72 | int ds4510_gpio_read(uint8_t chip); |
| 73 | int ds4510_gpio_read_val(uint8_t chip); |
| 74 | |
| 75 | #endif /* __DS4510_H_ */ |