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| Rev | Author | Line No. | Line |
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| 422 | giacomo | 1 | /* ------------------------------------------------------------------------- */ |
| 2 | /* adap-pcf.h i2c driver algorithms for PCF8584 adapters */ |
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| 3 | /* ------------------------------------------------------------------------- */ |
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| 4 | /* Copyright (C) 1995-97 Simon G. Vogl |
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| 5 | 1998-99 Hans Berglund |
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| 6 | |||
| 7 | This program is free software; you can redistribute it and/or modify |
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| 8 | it under the terms of the GNU General Public License as published by |
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| 9 | the Free Software Foundation; either version 2 of the License, or |
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| 10 | (at your option) any later version. |
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| 11 | |||
| 12 | This program is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | GNU General Public License for more details. |
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| 16 | |||
| 17 | You should have received a copy of the GNU General Public License |
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| 18 | along with this program; if not, write to the Free Software |
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| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
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| 20 | /* ------------------------------------------------------------------------- */ |
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| 21 | |||
| 22 | /* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even |
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| 23 | Frodo Looijaard <frodol@dds.nl> */ |
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| 24 | |||
| 25 | /* $Id: i2c-algo-pcf.h,v 1.1 2004-01-28 15:25:28 giacomo Exp $ */ |
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| 26 | |||
| 27 | #ifndef _LINUX_I2C_ALGO_PCF_H |
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| 28 | #define _LINUX_I2C_ALGO_PCF_H |
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| 29 | |||
| 30 | struct i2c_algo_pcf_data { |
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| 31 | void *data; /* private data for lolevel routines */ |
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| 32 | void (*setpcf) (void *data, int ctl, int val); |
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| 33 | int (*getpcf) (void *data, int ctl); |
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| 34 | int (*getown) (void *data); |
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| 35 | int (*getclock) (void *data); |
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| 36 | void (*waitforpin) (void); |
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| 37 | |||
| 38 | /* local settings */ |
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| 39 | int udelay; |
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| 40 | int mdelay; |
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| 41 | int timeout; |
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| 42 | }; |
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| 43 | |||
| 44 | #define I2C_PCF_ADAP_MAX 16 |
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| 45 | |||
| 46 | int i2c_pcf_add_bus(struct i2c_adapter *); |
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| 47 | int i2c_pcf_del_bus(struct i2c_adapter *); |
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| 48 | |||
| 49 | #endif /* _LINUX_I2C_ALGO_PCF_H */ |