| Thomas Gleixner | 64b70da | 2019-05-20 19:08:15 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 2 | /* |
| Harald Welte | 277d32a | 2009-05-23 00:35:39 +0800 | [diff] [blame] | 3 | * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. |
| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 4 | * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. |
| 5 | |
| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 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 */ |
| Jonathan Corbet | b052d7f | 2009-12-28 10:04:02 -0700 | [diff] [blame] | 15 | u16 is_active; /* Being used as I2C? */ |
| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 16 | struct i2c_adapter adapter; |
| 17 | struct i2c_algo_bit_data algo; |
| 18 | }; |
| 19 | |
| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 20 | |
| Harald Welte | 277d32a | 2009-05-23 00:35:39 +0800 | [diff] [blame] | 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); |
| Jonathan Corbet | b8f7e5d | 2010-04-23 08:56:55 -0600 | [diff] [blame] | 24 | struct i2c_adapter *viafb_find_i2c_adapter(enum viafb_i2c_adap which); |
| Harald Welte | 277d32a | 2009-05-23 00:35:39 +0800 | [diff] [blame] | 25 | |
| Jonathan Corbet | 7582eb9 | 2010-04-22 17:39:34 -0600 | [diff] [blame] | 26 | extern int viafb_i2c_init(void); |
| 27 | extern void viafb_i2c_exit(void); |
| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 28 | #endif /* __VIA_I2C_H__ */ |