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