mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 17:08:10 +00:00
d3554b4a2f
There are no more per-i2c-algorithm adapter max. Last time there were was in July 1999. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
50 lines
2.1 KiB
C
50 lines
2.1 KiB
C
/* ------------------------------------------------------------------------- */
|
|
/* i2c-algo-bit.h i2c driver algorithms for bit-shift adapters */
|
|
/* ------------------------------------------------------------------------- */
|
|
/* Copyright (C) 1995-99 Simon G. Vogl
|
|
|
|
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_BIT_H
|
|
#define _LINUX_I2C_ALGO_BIT_H
|
|
|
|
/* --- Defines for bit-adapters --------------------------------------- */
|
|
/*
|
|
* This struct contains the hw-dependent functions of bit-style adapters to
|
|
* manipulate the line states, and to init any hw-specific features. This is
|
|
* only used if you have more than one hw-type of adapter running.
|
|
*/
|
|
struct i2c_algo_bit_data {
|
|
void *data; /* private data for lowlevel routines */
|
|
void (*setsda) (void *data, int state);
|
|
void (*setscl) (void *data, int state);
|
|
int (*getsda) (void *data);
|
|
int (*getscl) (void *data);
|
|
|
|
/* local settings */
|
|
int udelay; /* half-clock-cycle time in microsecs */
|
|
/* i.e. clock is (500 / udelay) KHz */
|
|
int mdelay; /* in millisecs, unused */
|
|
int timeout; /* in jiffies */
|
|
};
|
|
|
|
int i2c_bit_add_bus(struct i2c_adapter *);
|
|
int i2c_bit_del_bus(struct i2c_adapter *);
|
|
|
|
#endif /* _LINUX_I2C_ALGO_BIT_H */
|