| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 1 | /* |
| Harald Welte | 277d32a36 | 2009-05-23 00:35:39 +0800 | [diff] [blame^] | 2 | * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. |
| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 3 | * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. |
| 4 | |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public |
| 7 | * License as published by the Free Software Foundation; |
| 8 | * either version 2, or (at your option) any later version. |
| 9 | |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even |
| 12 | * the implied warranty of MERCHANTABILITY or FITNESS FOR |
| 13 | * A PARTICULAR PURPOSE.See the GNU General Public License |
| 14 | * for more details. |
| 15 | |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., |
| 19 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 20 | */ |
| 21 | #ifndef __VIA_I2C_H__ |
| 22 | #define __VIA_I2C_H__ |
| 23 | |
| 24 | #include <linux/i2c.h> |
| 25 | #include <linux/i2c-algo-bit.h> |
| 26 | |
| Harald Welte | 277d32a36 | 2009-05-23 00:35:39 +0800 | [diff] [blame^] | 27 | enum via_i2c_type { |
| 28 | VIA_I2C_NONE, |
| 29 | VIA_I2C_I2C, |
| 30 | VIA_I2C_GPIO, |
| 31 | }; |
| 32 | |
| 33 | /* private data for each adapter */ |
| 34 | struct via_i2c_adap_cfg { |
| 35 | enum via_i2c_type type; |
| 36 | u_int16_t io_port; |
| 37 | u_int8_t ioport_index; |
| 38 | }; |
| 39 | |
| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 40 | struct via_i2c_stuff { |
| 41 | u16 i2c_port; /* GPIO or I2C port */ |
| 42 | struct i2c_adapter adapter; |
| 43 | struct i2c_algo_bit_data algo; |
| 44 | }; |
| 45 | |
| Harald Welte | 277d32a36 | 2009-05-23 00:35:39 +0800 | [diff] [blame^] | 46 | enum viafb_i2c_adap { |
| 47 | VIA_I2C_ADAP_26, |
| 48 | VIA_I2C_ADAP_31, |
| 49 | VIA_I2C_ADAP_25, |
| 50 | VIA_I2C_ADAP_2C, |
| 51 | VIA_I2C_ADAP_3D, |
| 52 | }; |
| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 53 | |
| Harald Welte | 277d32a36 | 2009-05-23 00:35:39 +0800 | [diff] [blame^] | 54 | int viafb_i2c_readbyte(u8 adap, u8 slave_addr, u8 index, u8 *pdata); |
| 55 | int viafb_i2c_writebyte(u8 adap, u8 slave_addr, u8 index, u8 data); |
| 56 | int viafb_i2c_readbytes(u8 adap, u8 slave_addr, u8 index, u8 *buff, int buff_len); |
| 57 | |
| 58 | struct viafb_par; |
| 59 | int viafb_create_i2c_busses(struct viafb_par *par); |
| 60 | void viafb_delete_i2c_busses(struct viafb_par *par); |
| Joseph Chan | 9f29163 | 2008-10-15 22:03:29 -0700 | [diff] [blame] | 61 | #endif /* __VIA_I2C_H__ */ |