/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/via/via_gpioi2c.h,v 1.2 2003/08/27 15:16:09 tsi Exp $ */ /* * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sub license, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #ifndef _VIA_GPIOI2C_H_ #define _VIA_GPIOI2C_H_ 1 #define GPIOPORT (pBIOSInfo->GPIOI2CInfo.bGPIOPort) #define SLAVEADDR (pBIOSInfo->GPIOI2CInfo.bSlaveAddr) #define I2C_WAIT_TIME (pBIOSInfo->GPIOI2CInfo.I2C_WAIT_TIME) #define STARTTIMEOUT (pBIOSInfo->GPIOI2CInfo.STARTTIMEOUT) #define BYTETIMEOUT (pBIOSInfo->GPIOI2CInfo.BYTETIMEOUT) #define HOLDTIME (pBIOSInfo->GPIOI2CInfo.HOLDTIME) #define BITTIMEOUT (pBIOSInfo->GPIOI2CInfo.BITTIMEOUT) #define GPIOI2C_MASKD 0xC0 #define GPIOI2C_SCL_MASK 0x80 #define GPIOI2C_SCL_WRITE 0x80 #define GPIOI2C_SCL_READ 0x80 #define GPIOI2C_SDA_MASK 0x40 #define GPIOI2C_SDA_WRITE 0x40 #define GPIOI2C_SDA_READ 0x00 #define I2C_RELEASE 0x00 #define I2C_WRITE_SCL 0x01 #define I2C_READ_SCL 0x02 #define I2C_WRITE_SDA 0x03 #define I2C_READ_SDA 0x04 #define I2C_SDA_SCL_MASK 0x30 #define I2C_SDA_SCL 0x30 #define I2C_OUTPUT_CLOCK 0x20 #define I2C_OUTPUT_DATA 0x10 #define I2C_INPUT_CLOCK 0x08 #define I2C_INPUT_DATA 0x04 #define READ_MAX_RETRIES 20 #define WRITE_MAX_RETRIES 20 #endif /* _VIA_GPIOI2C_H_ */