via_i2c.h revision 9f291634aa2d79dee2d8a61c5bdffe166001c580
19f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan/* 29f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved. 39f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. 49f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan 59f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * This program is free software; you can redistribute it and/or 69f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * modify it under the terms of the GNU General Public 79f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * License as published by the Free Software Foundation; 89f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * either version 2, or (at your option) any later version. 99f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan 109f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * This program is distributed in the hope that it will be useful, 119f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even 129f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * the implied warranty of MERCHANTABILITY or FITNESS FOR 139f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * A PARTICULAR PURPOSE.See the GNU General Public License 149f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * for more details. 159f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan 169f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * You should have received a copy of the GNU General Public License 179f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * along with this program; if not, write to the Free Software 189f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * Foundation, Inc., 199f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 209f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan */ 219f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#ifndef __VIA_I2C_H__ 229f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#define __VIA_I2C_H__ 239f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan 249f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#include <linux/i2c.h> 259f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#include <linux/i2c-algo-bit.h> 269f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan 279f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chanstruct via_i2c_stuff { 289f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan u16 i2c_port; /* GPIO or I2C port */ 299f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan struct i2c_adapter adapter; 309f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan struct i2c_algo_bit_data algo; 319f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan}; 329f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan 339f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#define I2CPORT 0x3c4 349f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#define I2CPORTINDEX 0x31 359f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#define GPIOPORT 0x3C4 369f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#define GPIOPORTINDEX 0x2C 379f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#define I2C_BUS 1 389f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#define GPIO_BUS 2 399f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#define DELAYPORT 0x3C3 409f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan 419f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chanint viafb_i2c_readbyte(u8 slave_addr, u8 index, u8 *pdata); 429f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chanint viafb_i2c_writebyte(u8 slave_addr, u8 index, u8 data); 439f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chanint viafb_i2c_readbytes(u8 slave_addr, u8 index, u8 *buff, int buff_len); 449f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chanint viafb_create_i2c_bus(void *par); 459f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chanvoid viafb_delete_i2c_buss(void *par); 469f291634aa2d79dee2d8a61c5bdffe166001c580Joseph Chan#endif /* __VIA_I2C_H__ */ 47