via_i2c.h 844 B

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  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. #ifndef __VIA_I2C_H__
  7. #define __VIA_I2C_H__
  8. #include <linux/i2c.h>
  9. #include <linux/i2c-algo-bit.h>
  10. struct via_i2c_stuff {
  11. u16 i2c_port; /* GPIO or I2C port */
  12. u16 is_active; /* Being used as I2C? */
  13. struct i2c_adapter adapter;
  14. struct i2c_algo_bit_data algo;
  15. };
  16. int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata);
  17. int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data);
  18. int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len);
  19. struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which);
  20. extern int viafb_i2c_init(void);
  21. extern void viafb_i2c_exit(void);
  22. #endif /* __VIA_I2C_H__ */