| Wolfgang Denk | 0c32d96 | 2006-06-16 17:32:31 +0200 | [diff] [blame^] | 1 | /* By Thomas.Lange@Corelatus.com 001025 */ |
| 2 | /* Definitions for EEPROM/VOLT METER DS2438 */ |
| 3 | /* Copyright (C) 2000-2005 Corelatus AB */ |
| 4 | |
| 5 | /* This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as |
| 7 | * published by the Free Software Foundation; either version 2 of |
| 8 | * the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 18 | * MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #ifndef INCeedevh |
| 22 | #define INCeedevh |
| 23 | |
| 24 | #define E_DEBUG(fmt,args...) if( Debug ) printk(KERN_DEBUG"EE: " fmt, ##args) |
| 25 | |
| 26 | /* MIPS */ |
| 27 | #define WRITE_PORT(Value) write_gpio_data(Value) |
| 28 | |
| 29 | #define READ_PORT (gpio_read()&GPIO_EEDQ) |
| 30 | |
| 31 | /* 64 bytes chip */ |
| 32 | #define EE_CHIP_SIZE 64 |
| 33 | |
| 34 | /* Board with new current resistor */ |
| 35 | #define EE_GTH_0304 1 |
| 36 | |
| 37 | /* new dsp and 64 MB SDRAM */ |
| 38 | #define EE_DSP_64 0x10 |
| 39 | |
| 40 | /* microsecs */ |
| 41 | /* Pull line down at least this long for reset pulse */ |
| 42 | #define RESET_LOW_TIME 490 |
| 43 | |
| 44 | /* Read presence pulse after we release reset pulse */ |
| 45 | #define PRESENCE_TIMEOUT 100 |
| 46 | #define PRESENCE_LOW_TIME 200 |
| 47 | |
| 48 | #define WRITE_0_LOW 60 |
| 49 | #define WRITE_1_LOW 1 |
| 50 | #define TOTAL_WRITE_LOW 60 |
| 51 | |
| 52 | #define READ_LOW 1 |
| 53 | #define READ_TIMEOUT 10 |
| 54 | #define TOTAL_READ_LOW 70 |
| 55 | |
| 56 | /* Rom function commands */ |
| 57 | #define READ_ROM 0x33 |
| 58 | #define MATCH_ROM 0x55 |
| 59 | #define SKIP_ROM 0xCC |
| 60 | #define SEARCH_ROM 0xF0 |
| 61 | |
| 62 | |
| 63 | /* Memory_command_function */ |
| 64 | #define WRITE_SCRATCHPAD 0x4E |
| 65 | #define READ_SCRATCHPAD 0xBE |
| 66 | #define COPY_SCRATCHPAD 0x48 |
| 67 | #define RECALL_MEMORY 0xB8 |
| 68 | #define CONVERT_TEMP 0x44 |
| 69 | #define CONVERT_VOLTAGE 0xB4 |
| 70 | |
| 71 | /* Chip is divided in 8 pages, 8 bytes each */ |
| 72 | |
| 73 | #define EE_PAGE_SIZE 8 |
| 74 | |
| 75 | /* All chip data we want are in page 0 */ |
| 76 | |
| 77 | /* Bytes in page 0 */ |
| 78 | #define EE_P0_STATUS 0 |
| 79 | #define EE_P0_TEMP_LSB 1 |
| 80 | #define EE_P0_TEMP_MSB 2 |
| 81 | #define EE_P0_VOLT_LSB 3 |
| 82 | #define EE_P0_VOLT_MSB 4 |
| 83 | #define EE_P0_CURRENT_LSB 5 |
| 84 | #define EE_P0_CURRENT_MSB 6 |
| 85 | |
| 86 | |
| 87 | /* 40 byte user data is located at page 3-7 */ |
| 88 | #define EE_USER_PAGE_0 3 |
| 89 | #define USER_PAGES 5 |
| 90 | |
| 91 | /* Layout of gth user pages usage */ |
| 92 | /* Bytes 0-16 ethernet addr in ascii ( len 17 ) */ |
| 93 | |
| 94 | #define EE_ETHERNET_OFFSET 0 |
| 95 | |
| 96 | #endif /* INCeedevh */ |