tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
4
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
9
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
14 * for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 */
21#ifndef __VIA_I2C_H__
22#define __VIA_I2C_H__
23
24#include <linux/i2c.h>
25#include <linux/i2c-algo-bit.h>
26
27struct via_i2c_stuff {
28 u16 i2c_port; /* GPIO or I2C port */
29 struct i2c_adapter adapter;
30 struct i2c_algo_bit_data algo;
31};
32
33#define I2CPORT 0x3c4
34#define I2CPORTINDEX 0x31
35#define GPIOPORT 0x3C4
36#define GPIOPORTINDEX 0x2C
37#define I2C_BUS 1
38#define GPIO_BUS 2
39#define DELAYPORT 0x3C3
40
41int viafb_i2c_readbyte(u8 slave_addr, u8 index, u8 *pdata);
42int viafb_i2c_writebyte(u8 slave_addr, u8 index, u8 data);
43int viafb_i2c_readbytes(u8 slave_addr, u8 index, u8 *buff, int buff_len);
44int viafb_create_i2c_bus(void *par);
45void viafb_delete_i2c_buss(void *par);
46#endif /* __VIA_I2C_H__ */