| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2001 |
| 3 | * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | * |
| 23 | * The original I2C interface was |
| 24 | * (C) 2000 by Paolo Scaffardi (arsenio@tin.it) |
| 25 | * AIRVENT SAM s.p.a - RIMINI(ITALY) |
| 26 | * but has been changed substantially. |
| 27 | */ |
| 28 | |
| 29 | #ifndef _I2C_H_ |
| 30 | #define _I2C_H_ |
| 31 | |
| 32 | #define DRV_I2C_ERROR_DEVICE -101 |
| 33 | #define DRV_I2C_ERROR_DATA -102 |
| 34 | #define DRV_I2C_ERROR_TIMEOUT -103 |
| 35 | #define DRV_I2C_ERROR_TIMEOUTSELF -104 |
| 36 | #define DRV_I2C_BUS_PERSIST_WAIT -105 |
| 37 | #define DRV_I2C_SEND_NOT_COMPLETE -106 |
| 38 | #define DRV_I2C_RECV_NOT_COMPLETE -107 |
| 39 | |
| 40 | int i2c_init(void); |
| 41 | |
| 42 | int i2c_read(uint i2c_bus, ushort slave_addr, ushort reg_addr, uint reg_len, |
| 43 | uchar *read_buf, uint read_len); |
| 44 | |
| 45 | int i2c_write(uint i2c_bus, ushort slave_addr, ushort reg_addr, uint reg_len, |
| 46 | uchar *write_buf, uint write_len); |
| 47 | #endif /* _I2C_H_ */ |