|  | /* SPDX-License-Identifier: GPL-2.0-or-later */ | 
|  | /* | 
|  | * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. | 
|  | * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. | 
|  |  | 
|  | */ | 
|  | #ifndef __VIA_I2C_H__ | 
|  | #define __VIA_I2C_H__ | 
|  |  | 
|  | #include <linux/i2c.h> | 
|  | #include <linux/i2c-algo-bit.h> | 
|  |  | 
|  | struct via_i2c_stuff { | 
|  | u16 i2c_port;			/* GPIO or I2C port */ | 
|  | u16 is_active;			/* Being used as I2C? */ | 
|  | struct i2c_adapter adapter; | 
|  | struct i2c_algo_bit_data algo; | 
|  | }; | 
|  |  | 
|  |  | 
|  | int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata); | 
|  | int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data); | 
|  | int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len); | 
|  | struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which); | 
|  |  | 
|  | extern int viafb_i2c_init(void); | 
|  | extern void viafb_i2c_exit(void); | 
|  | #endif /* __VIA_I2C_H__ */ |