84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
/* $NetBSD: pi1ppcreg.h,v 1.2 2009/03/05 01:38:12 msaitoh Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2001 Alcove - Nicolas Souchu
|
|
* Copyright (c) 2005 Joe Britt <britt@danger.com> - SGI PI1 version
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* FreeBSD: src/sys/isa/ppcreg.h,v 1.10.2.4 2001/10/02 05:21:45 nsouch Exp
|
|
*
|
|
*/
|
|
|
|
#ifndef __PI1PPCREG_H
|
|
#define __PI1PPCREG_H
|
|
|
|
/* see iocreg.h for data/ctl/status reg offsets */
|
|
|
|
/* SPP mode control register bit positions. */
|
|
#define STROBE 0x01
|
|
#define AUTOFEED 0x02
|
|
#define nINIT 0x04
|
|
#define SELECTIN 0x08
|
|
|
|
/* we emulate this bit */
|
|
#define IRQENABLE 0x10
|
|
|
|
/* data dir in PS/2 mode */
|
|
#define PCD 0x20
|
|
|
|
/* SPP status register bit positions. */
|
|
/* #define TIMEOUT 0x01 */
|
|
|
|
#define nFAULT 0x08
|
|
#define SELECT 0x10
|
|
#define PERROR 0x20
|
|
#define nACK 0x40
|
|
#define nBUSY 0x80
|
|
|
|
/* Flags indicating ready condition */
|
|
#define SPP_READY (SELECT | nFAULT | nBUSY)
|
|
#define SPP_MASK (SELECT | nFAULT | PERROR | nBUSY)
|
|
|
|
/* Byte mode signals */
|
|
#define HOSTCLK STROBE
|
|
#define HOSTBUSY AUTOFEED
|
|
#define ACTIVE1284 SELECTIN
|
|
#define PTRCLK nACK
|
|
#define PTRBUSY nBUSY
|
|
#define ACKDATAREQ PERROR
|
|
#define XFLAG SELECT
|
|
#define nDATAVAIL nFAULT
|
|
|
|
/* interrupt mask & status bit positions */
|
|
|
|
/* these interrupts are asserted on rising AND falling edges */
|
|
#define PI1_PLP_PERROR_INTR 0x80
|
|
#define PI1_PLP_FAULT_INTR 0x40
|
|
#define PI1_PLP_SELECT_INTR 0x20
|
|
|
|
/* this interrupt is only asserted on rising edge */
|
|
#define PI1_PLP_ACK_INTR 0x04
|
|
|
|
#endif /* __PI1PPCREG_H */
|