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49 lines
1.6 KiB
49 lines
1.6 KiB
/* |
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* |
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* i2c-mux.h - functions for the i2c-bus mux support |
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* |
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* Copyright (c) 2008-2009 Rodolfo Giometti <giometti@linux.it> |
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* Copyright (c) 2008-2009 Eurotech S.p.A. <info@eurotech.it> |
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* Michael Lawnick <michael.lawnick.ext@nsn.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301 USA. |
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*/ |
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#ifndef _LINUX_I2C_MUX_H |
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#define _LINUX_I2C_MUX_H |
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#ifdef __KERNEL__ |
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/* |
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* Called to create a i2c bus on a multiplexed bus segment. |
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* The mux_dev and chan_id parameters are passed to the select |
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* and deselect callback functions to perform hardware-specific |
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* mux control. |
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*/ |
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struct i2c_adapter *i2c_add_mux_adapter(struct i2c_adapter *parent, |
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struct device *mux_dev, |
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void *mux_priv, u32 force_nr, u32 chan_id, |
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unsigned int class, |
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int (*select) (struct i2c_adapter *, |
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void *mux_dev, u32 chan_id), |
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int (*deselect) (struct i2c_adapter *, |
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void *mux_dev, u32 chan_id)); |
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void i2c_del_mux_adapter(struct i2c_adapter *adap); |
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#endif /* __KERNEL__ */ |
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#endif /* _LINUX_I2C_MUX_H */
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