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include/linux/i2c-algo-pcf.h
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/* ------------------------------------------------------------------------- */ /* adap-pcf.h i2c driver algorithms for PCF8584 adapters */ /* ------------------------------------------------------------------------- */ /* Copyright (C) 1995-97 Simon G. Vogl 1998-99 Hans Berglund 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 |
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ |
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/* ------------------------------------------------------------------------- */ |
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/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even |
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Frodo Looijaard <frodol@dds.nl> */ |
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#ifndef _LINUX_I2C_ALGO_PCF_H #define _LINUX_I2C_ALGO_PCF_H struct i2c_algo_pcf_data { void *data; /* private data for lolevel routines */ void (*setpcf) (void *data, int ctl, int val); int (*getpcf) (void *data, int ctl); int (*getown) (void *data); int (*getclock) (void *data); |
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void (*waitforpin) (void *data); |
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void (*xfer_begin) (void *data); void (*xfer_end) (void *data); |
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/* Multi-master lost arbitration back-off delay (msecs) * This should be set by the bus adapter or knowledgable client * if bus is multi-mastered, else zero */ unsigned long lab_mdelay; |
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}; |
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int i2c_pcf_add_bus(struct i2c_adapter *); |
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#endif /* _LINUX_I2C_ALGO_PCF_H */ |