1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_I8042_H 28 #define _SYS_I8042_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Here's the interface to the virtual registers on the device. 38 * 39 * Normal interrupt-driven I/O: 40 * 41 * I8042_INT_INPUT_AVAIL 42 * Interrupt mode input bytes available? Zero = No. 43 * I8042_INT_INPUT_DATA 44 * Fetch interrupt mode input byte. 45 * I8042_INT_OUTPUT_DATA 46 * Interrupt mode output byte. 47 * 48 * Polled I/O, used by (e.g.) kmdb, when normal system services are 49 * unavailable: 50 * 51 * I8042_POLL_INPUT_AVAIL 52 * Polled mode input bytes available? Zero = No. 53 * I8042_POLL_INPUT_DATA 54 * Polled mode input byte. 55 * I8042_POLL_OUTPUT_DATA 56 * Polled mode output byte. 57 */ 58 59 #define I8042_INT_INPUT_AVAIL 0x00 60 #define I8042_INT_INPUT_DATA 0x01 61 #define I8042_INT_OUTPUT_DATA 0x03 62 #define I8042_POLL_INPUT_AVAIL 0x10 63 #define I8042_POLL_INPUT_DATA 0x11 64 #define I8042_POLL_OUTPUT_DATA 0x13 65 66 /* Softint priority used */ 67 #define I8042_SOFTINT_PRI 4 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif /* _SYS_I8042_H */ 74