Annotation of sys/arch/arm/xscale/iopi2creg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: iopi2creg.h,v 1.2 2006/07/10 15:39:56 drahn Exp $ */
2: /* $NetBSD: iopi2creg.h,v 1.2 2005/12/11 12:16:51 christos Exp $ */
3:
4: /*
5: * Copyright (c) 2003 Wasabi Systems, Inc.
6: * All rights reserved.
7: *
8: * Written by Jason R. Thorpe for Wasabi Systems, Inc.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed for the NetBSD Project by
21: * Wasabi Systems, Inc.
22: * 4. The name of Wasabi Systems, Inc. may not be used to endorse
23: * or promote products derived from this software without specific prior
24: * written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36: * POSSIBILITY OF SUCH DAMAGE.
37: */
38:
39: #ifndef _ARM_XSCALE_IOPIICREG_H_
40: #define _ARM_XSCALE_IOPIICREG_H_
41:
42: #define IIC_ICR 0x00 /* i2c control register */
43: #define IIC_ISR 0x04 /* i2c status register */
44: #define IIC_ISAR 0x08 /* i2c slave address register */
45: #define IIC_IDBR 0x0c /* i2c data buffer register */
46: #define IIC_ICCR 0x10 /* i2c clock control register (i80312 only) */
47: #define IIC_IBMR 0x14 /* i2c bus monitor register */
48:
49: #define IIC_ICR_FM (1U << 15) /* fast mode (i80321 only) */
50: #define IIC_ICR_RESET (1U << 14) /* i2c unit reset */
51: #define IIC_ICR_SADIE (1U << 13) /* slave addr det int en */
52: #define IIC_ICR_ALDIE (1U << 12) /* arb loss det int en */
53: #define IIC_ICR_SSDIE (1U << 11) /* slave stop det in en */
54: #define IIC_ICR_BEIE (1U << 10) /* bus error int en */
55: #define IIC_ICR_IRFIE (1U << 9) /* IDBR Rx full int en */
56: #define IIC_ICR_ITEIE (1U << 8) /* IDBR Tx empty int en */
57: #define IIC_ICR_GCD (1U << 7) /* general call disable */
58: #define IIC_ICR_UE (1U << 6) /* i2c unit enable */
59: #define IIC_ICR_SCLE (1U << 5) /* SCL master enable */
60: #define IIC_ICR_MA (1U << 4) /* abort as master */
61: #define IIC_ICR_TB (1U << 3) /* transfer byte */
62: #define IIC_ICR_NACK (1U << 2) /* 0=ACK, 1=NACK */
63: #define IIC_ICR_STOP (1U << 1) /* initiate STOP condition */
64: #define IIC_ICR_START (1U << 0) /* initiate START condition */
65:
66: #define IIC_ISR_BED (1U << 10) /* bus error detected */
67: #define IIC_ISR_SAD (1U << 9) /* slave address detected */
68: #define IIC_ISR_GCAD (1U << 8) /* general call addr detected */
69: #define IIC_ISR_IRF (1U << 7) /* IDBR Rx full */
70: #define IIC_ISR_ITE (1U << 6) /* IDBR Tx empty */
71: #define IIC_ISR_ALD (1U << 5) /* arb loss detected */
72: #define IIC_ISR_SSD (1U << 4) /* slave STOP detected */
73: #define IIC_ISR_IBB (1U << 3) /* i2c bus busy */
74: #define IIC_ISR_UB (1U << 2) /* unit busy */
75: #define IIC_ISR_NACK (1U << 1) /* NACK received */
76: #define IIC_ISR_RW (1U << 0) /* 0=mt/sr, 1=mr/st */
77:
78: #endif /* _ARM_XSCALE_IOPIICREG_H_ */
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