1 /* $NetBSD: iopi2creg.h,v 1.2 2005/12/11 12:16:51 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2003 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #ifndef _ARM_XSCALE_IOPIICREG_H_ 39 #define _ARM_XSCALE_IOPIICREG_H_ 40 41 #define IIC_ICR 0x00 /* i2c control register */ 42 #define IIC_ISR 0x04 /* i2c status register */ 43 #define IIC_ISAR 0x08 /* i2c slave address register */ 44 #define IIC_IDBR 0x0c /* i2c data buffer register */ 45 #define IIC_ICCR 0x10 /* i2c clock control register (i80312 only) */ 46 #define IIC_IBMR 0x14 /* i2c bus monitor register */ 47 48 #define IIC_ICR_FM (1U << 15) /* fast mode (i80321 only) */ 49 #define IIC_ICR_RESET (1U << 14) /* i2c unit reset */ 50 #define IIC_ICR_SADIE (1U << 13) /* slave addr det int en */ 51 #define IIC_ICR_ALDIE (1U << 12) /* arb loss det int en */ 52 #define IIC_ICR_SSDIE (1U << 11) /* slave stop det in en */ 53 #define IIC_ICR_BEIE (1U << 10) /* bus error int en */ 54 #define IIC_ICR_IRFIE (1U << 9) /* IDBR Rx full int en */ 55 #define IIC_ICR_ITEIE (1U << 8) /* IDBR Tx empty int en */ 56 #define IIC_ICR_GCD (1U << 7) /* general call disable */ 57 #define IIC_ICR_UE (1U << 6) /* i2c unit enable */ 58 #define IIC_ICR_SCLE (1U << 5) /* SCL master enable */ 59 #define IIC_ICR_MA (1U << 4) /* abort as master */ 60 #define IIC_ICR_TB (1U << 3) /* transfer byte */ 61 #define IIC_ICR_NACK (1U << 2) /* 0=ACK, 1=NACK */ 62 #define IIC_ICR_STOP (1U << 1) /* initiate STOP condition */ 63 #define IIC_ICR_START (1U << 0) /* initiate START condition */ 64 65 #define IIC_ISR_BED (1U << 10) /* bus error detected */ 66 #define IIC_ISR_SAD (1U << 9) /* slave address detected */ 67 #define IIC_ISR_GCAD (1U << 8) /* general call addr detected */ 68 #define IIC_ISR_IRF (1U << 7) /* IDBR Rx full */ 69 #define IIC_ISR_ITE (1U << 6) /* IDBR Tx empty */ 70 #define IIC_ISR_ALD (1U << 5) /* arb loss detected */ 71 #define IIC_ISR_SSD (1U << 4) /* slave STOP detected */ 72 #define IIC_ISR_IBB (1U << 3) /* i2c bus busy */ 73 #define IIC_ISR_UB (1U << 2) /* unit busy */ 74 #define IIC_ISR_NACK (1U << 1) /* NACK received */ 75 #define IIC_ISR_RW (1U << 0) /* 0=mt/sr, 1=mr/st */ 76 77 #endif /* _ARM_XSCALE_IOPIICREG_H_ */ 78
Indexes created Mon Sep 22 13:09:51 GMT 2025