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9f291634 JC |
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 | ||
27 | struct 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 | ||
41 | int viafb_i2c_readbyte(u8 slave_addr, u8 index, u8 *pdata); | |
42 | int viafb_i2c_writebyte(u8 slave_addr, u8 index, u8 data); | |
43 | int viafb_i2c_readbytes(u8 slave_addr, u8 index, u8 *buff, int buff_len); | |
44 | int viafb_create_i2c_bus(void *par); | |
45 | void viafb_delete_i2c_buss(void *par); | |
46 | #endif /* __VIA_I2C_H__ */ |