projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 0826374b ML |
1 | /* |
| 2 | * | |
| 3 | * i2c-mux.h - functions for the i2c-bus mux support | |
| 4 | * | |
| 5 | * Copyright (c) 2008-2009 Rodolfo Giometti <giometti@linux.it> | |
| 6 | * Copyright (c) 2008-2009 Eurotech S.p.A. <info@eurotech.it> | |
| 7 | * Michael Lawnick <michael.lawnick.ext@nsn.com> | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU General Public License as published by | |
| 11 | * the Free Software Foundation; either version 2 of the License, or | |
| 12 | * (at your option) any later version. | |
| 13 | * | |
| 14 | * This program is distributed in the hope that it will be useful, | |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | * GNU General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU General Public License | |
| 20 | * along with this program; if not, write to the Free Software | |
| 5694f8a8 JD |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
| 22 | * MA 02110-1301 USA. | |
| 0826374b ML |
23 | */ |
| 24 | ||
| 25 | #ifndef _LINUX_I2C_MUX_H | |
| 26 | #define _LINUX_I2C_MUX_H | |
| 27 | ||
| 28 | #ifdef __KERNEL__ | |
| 29 | ||
| 30 | /* | |
| 31 | * Called to create a i2c bus on a multiplexed bus segment. | |
| 32 | * The mux_dev and chan_id parameters are passed to the select | |
| 33 | * and deselect callback functions to perform hardware-specific | |
| 34 | * mux control. | |
| 35 | */ | |
| 36 | struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent, | |
| 5a3ecd5f DD |
37 | struct device *mux_dev, |
| 38 | void *mux_priv, u32 force_nr, u32 chan_id, | |
| eee543e8 | 39 | unsigned int class, |
| 0826374b ML |
40 | int (*select) (struct i2c_adapter *, |
| 41 | void *mux_dev, u32 chan_id), | |
| 42 | int (*deselect) (struct i2c_adapter *, | |
| 43 | void *mux_dev, u32 chan_id)); | |
| 44 | ||
| 51d95709 | 45 | void i2c_del_mux_adapter(struct i2c_adapter *adap); |
| 0826374b ML |
46 | |
| 47 | #endif /* __KERNEL__ */ | |
| 48 | ||
| 49 | #endif /* _LINUX_I2C_MUX_H */ |