| Peter Tyser | 1525804 | 2008-12-17 16:36:22 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2008 Extreme Engineering Solutions, Inc. |
| 3 | * |
| Tom Rini | e237880 | 2016-01-14 22:05:13 -0500 | [diff] [blame] | 4 | * SPDX-License-Identifier: GPL-2.0 |
| Peter Tyser | 1525804 | 2008-12-17 16:36:22 -0600 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #ifndef __DS4510_H_ |
| 8 | #define __DS4510_H_ |
| 9 | |
| 10 | /* General defines */ |
| 11 | #define DS4510_NUM_IO 0x04 |
| 12 | #define DS4510_IO_MASK ((1 << DS4510_NUM_IO) - 1) |
| 13 | #define DS4510_EEPROM_PAGE_WRITE_DELAY_MS 20 |
| 14 | |
| 15 | /* EEPROM from 0x00 - 0x39 */ |
| 16 | #define DS4510_EEPROM 0x00 |
| 17 | #define DS4510_EEPROM_SIZE 0x40 |
| 18 | #define DS4510_EEPROM_PAGE_SIZE 0x08 |
| 19 | #define DS4510_EEPROM_PAGE_OFFSET(x) ((x) & (DS4510_EEPROM_PAGE_SIZE - 1)) |
| 20 | |
| 21 | /* SEEPROM from 0xf0 - 0xf7 */ |
| 22 | #define DS4510_SEEPROM 0xf0 |
| 23 | #define DS4510_SEEPROM_SIZE 0x08 |
| 24 | |
| 25 | /* Registers overlapping SEEPROM from 0xf0 - 0xf7 */ |
| 26 | #define DS4510_PULLUP 0xF0 |
| 27 | #define DS4510_PULLUP_DIS 0x00 |
| 28 | #define DS4510_PULLUP_EN 0x01 |
| 29 | #define DS4510_RSTDELAY 0xF1 |
| 30 | #define DS4510_RSTDELAY_MASK 0x03 |
| 31 | #define DS4510_RSTDELAY_125 0x00 |
| 32 | #define DS4510_RSTDELAY_250 0x01 |
| 33 | #define DS4510_RSTDELAY_500 0x02 |
| 34 | #define DS4510_RSTDELAY_1000 0x03 |
| 35 | #define DS4510_IO3 0xF4 |
| 36 | #define DS4510_IO2 0xF5 |
| 37 | #define DS4510_IO1 0xF6 |
| 38 | #define DS4510_IO0 0xF7 |
| 39 | |
| 40 | /* Status configuration registers from 0xf8 - 0xf9*/ |
| 41 | #define DS4510_IO_STATUS 0xF8 |
| 42 | #define DS4510_CFG 0xF9 |
| 43 | #define DS4510_CFG_READY 0x80 |
| 44 | #define DS4510_CFG_TRIP_POINT 0x40 |
| 45 | #define DS4510_CFG_RESET 0x20 |
| 46 | #define DS4510_CFG_SEE 0x10 |
| 47 | #define DS4510_CFG_SWRST 0x08 |
| 48 | |
| 49 | /* SRAM from 0xfa - 0xff */ |
| 50 | #define DS4510_SRAM 0xfa |
| 51 | #define DS4510_SRAM_SIZE 0x06 |
| 52 | |
| 53 | int ds4510_mem_write(uint8_t chip, int offset, uint8_t *buf, int count); |
| 54 | int ds4510_mem_read(uint8_t chip, int offset, uint8_t *buf, int count); |
| 55 | int ds4510_see_write(uint8_t chip, uint8_t nv); |
| 56 | int ds4510_rstdelay_write(uint8_t chip, uint8_t delay); |
| 57 | int ds4510_pullup_write(uint8_t chip, uint8_t val); |
| 58 | int ds4510_pullup_read(uint8_t chip); |
| 59 | int ds4510_gpio_write(uint8_t chip, uint8_t val); |
| 60 | int ds4510_gpio_read(uint8_t chip); |
| 61 | int ds4510_gpio_read_val(uint8_t chip); |
| 62 | |
| 63 | #endif /* __DS4510_H_ */ |