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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 06:16:15 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 06:16:15 +0000 |
commit | 34e3b522eca7e8741cecb7c2241091f181d1bd1f (patch) | |
tree | 3b64ac3aa4603539b8f8f384bc39998e29948900 /libdde_linux26/contrib/include/linux/i2c-algo-pcf.h | |
parent | d4e6a14eb3fad1b43a21214db139db441025baf5 (diff) | |
parent | 6fafeb146e9efd59140ea58cebd7dd38ae9a6379 (diff) |
Merge branch 'upstream-merged'
Diffstat (limited to 'libdde_linux26/contrib/include/linux/i2c-algo-pcf.h')
-rw-r--r-- | libdde_linux26/contrib/include/linux/i2c-algo-pcf.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/i2c-algo-pcf.h b/libdde_linux26/contrib/include/linux/i2c-algo-pcf.h new file mode 100644 index 00000000..0f91a957 --- /dev/null +++ b/libdde_linux26/contrib/include/linux/i2c-algo-pcf.h @@ -0,0 +1,48 @@ +/* ------------------------------------------------------------------------- */ +/* 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 + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +/* ------------------------------------------------------------------------- */ + +/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even + Frodo Looijaard <frodol@dds.nl> */ + +#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); + void (*waitforpin) (void *data); + + void (*xfer_begin) (void *data); + void (*xfer_end) (void *data); + + /* 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; +}; + +int i2c_pcf_add_bus(struct i2c_adapter *); + +#endif /* _LINUX_I2C_ALGO_PCF_H */ |