LXR linux/include/linux/via

   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
  13struct 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
  21int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata);
  22int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data);
  23int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len);
  24struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which);
  25
  26extern int viafb_i2c_init(void);
  27extern void viafb_i2c_exit(void);
  28#endif /* __VIA_I2C_H__ */
  29