2005-12-11 15:16:03 +03:00
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/* $NetBSD: iopi2creg.h,v 1.2 2005/12/11 12:16:51 christos Exp $ */
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2003-10-06 20:06:05 +04:00
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/*
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* Copyright (c) 2003 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ARM_XSCALE_IOPIICREG_H_
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#define _ARM_XSCALE_IOPIICREG_H_
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#define IIC_ICR 0x00 /* i2c control register */
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#define IIC_ISR 0x04 /* i2c status register */
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#define IIC_ISAR 0x08 /* i2c slave address register */
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#define IIC_IDBR 0x0c /* i2c data buffer register */
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#define IIC_ICCR 0x10 /* i2c clock control register (i80312 only) */
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#define IIC_IBMR 0x14 /* i2c bus monitor register */
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#define IIC_ICR_FM (1U << 15) /* fast mode (i80321 only) */
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#define IIC_ICR_RESET (1U << 14) /* i2c unit reset */
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#define IIC_ICR_SADIE (1U << 13) /* slave addr det int en */
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#define IIC_ICR_ALDIE (1U << 12) /* arb loss det int en */
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#define IIC_ICR_SSDIE (1U << 11) /* slave stop det in en */
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#define IIC_ICR_BEIE (1U << 10) /* bus error int en */
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#define IIC_ICR_IRFIE (1U << 9) /* IDBR Rx full int en */
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#define IIC_ICR_ITEIE (1U << 8) /* IDBR Tx empty int en */
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#define IIC_ICR_GCD (1U << 7) /* general call disable */
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#define IIC_ICR_UE (1U << 6) /* i2c unit enable */
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#define IIC_ICR_SCLE (1U << 5) /* SCL master enable */
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#define IIC_ICR_MA (1U << 4) /* abort as master */
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#define IIC_ICR_TB (1U << 3) /* transfer byte */
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#define IIC_ICR_NACK (1U << 2) /* 0=ACK, 1=NACK */
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#define IIC_ICR_STOP (1U << 1) /* initiate STOP condition */
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#define IIC_ICR_START (1U << 0) /* initiate START condition */
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#define IIC_ISR_BED (1U << 10) /* bus error detected */
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#define IIC_ISR_SAD (1U << 9) /* slave address detected */
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#define IIC_ISR_GCAD (1U << 8) /* general call addr detected */
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#define IIC_ISR_IRF (1U << 7) /* IDBR Rx full */
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#define IIC_ISR_ITE (1U << 6) /* IDBR Tx empty */
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#define IIC_ISR_ALD (1U << 5) /* arb loss detected */
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#define IIC_ISR_SSD (1U << 4) /* slave STOP detected */
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#define IIC_ISR_IBB (1U << 3) /* i2c bus busy */
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#define IIC_ISR_UB (1U << 2) /* unit busy */
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#define IIC_ISR_NACK (1U << 1) /* NACK received */
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#define IIC_ISR_RW (1U << 0) /* 0=mt/sr, 1=mr/st */
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#endif /* _ARM_XSCALE_IOPIICREG_H_ */
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