| /* |
| * |
| * i2c-mux.h - functions for the i2c-bus mux support |
| * |
| * Copyright (c) 2008-2009 Rodolfo Giometti <giometti@linux.it> |
| * Copyright (c) 2008-2009 Eurotech S.p.A. <info@eurotech.it> |
| * Michael Lawnick <michael.lawnick.ext@nsn.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #ifndef _LINUX_I2C_MUX_H |
| #define _LINUX_I2C_MUX_H |
| |
| #ifdef __KERNEL__ |
| |
| /* |
| * Called to create a i2c bus on a multiplexed bus segment. |
| * The mux_dev and chan_id parameters are passed to the select |
| * and deselect callback functions to perform hardware-specific |
| * mux control. |
| */ |
| struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent, |
| void *mux_dev, u32 force_nr, u32 chan_id, |
| int (*select) (struct i2c_adapter *, |
| void *mux_dev, u32 chan_id), |
| int (*deselect) (struct i2c_adapter *, |
| void *mux_dev, u32 chan_id)); |
| |
| int i2c_del_mux_adapter(struct i2c_adapter *adap); |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* _LINUX_I2C_MUX_H */ |