1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. |
4 | * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. |
5 | |
6 | */ |
7 | #ifndef __VIA_I2C_H__ |
8 | #define __VIA_I2C_H__ |
9 | |
10 | #include <linux/i2c.h> |
11 | #include <linux/i2c-algo-bit.h> |
12 | |
13 | struct via_i2c_stuff { |
14 | u16 i2c_port; /* GPIO or I2C port */ |
15 | u16 is_active; /* Being used as I2C? */ |
16 | struct i2c_adapter adapter; |
17 | struct i2c_algo_bit_data algo; |
18 | }; |
19 | |
20 | |
21 | int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata); |
22 | int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data); |
23 | int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len); |
24 | struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which); |
25 | |
26 | extern int viafb_i2c_init(void); |
27 | extern void viafb_i2c_exit(void); |
28 | #endif /* __VIA_I2C_H__ */ |
29 | |