freebsd-skq/sys/dev/ppbus/vpo.h
Mike Smith e51b0386a6 Sync with ppbus-970815 from the author :
- interrupt-driven printing now works (nlpt)
 - Rearrangement of bus-related functions into ppb_base/ppbconf
 - Addition of ieee1284 interface functions, preliminary parallel-port
   PnP support

Submitted by:	Nicolas Souchu <Nicolas.Souchu@prism.uvsq.fr>
1997-08-16 14:05:38 +00:00

111 lines
2.8 KiB
C

/*-
* Copyright (c) 1997 Nicolas Souchu
* 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.
*
* $Id: vpo.h,v 1.1 1997/08/14 13:57:45 msmith Exp $
*
*/
#ifndef __VP03_H
#define __VP03_H
#define barrier() __asm__("": : :"memory")
#define VP0_INITIATOR 0x7
#define VP0_SECTOR_SIZE 512
#define VP0_BUFFER_SIZE 0x12000
#define VP0_SPL() splbio()
#define VP0_ESELECT_TIMEOUT 1
#define VP0_ECMD_TIMEOUT 2
#define VP0_ECONNECT 3
#define VP0_ESTATUS_TIMEOUT 4
#define VP0_EDATA_OVERFLOW 5
#define VP0_EDISCONNECT 6
#define VP0_EPPDATA_TIMEOUT 7
#define VP0_ENOPORT 9
#define VP0_EINITFAILED 10
#define VP0_EINTR 12
#define VP0_EOTHER 13
#define VP0_OPENNINGS 1
#define n(flags) (~(flags) & (flags))
/*
* VP0 timings.
*/
#define MHZ_16_IO_DURATION 62
#define VP0_SPP_WRITE_PULSE 253
#define VP0_NIBBLE_READ_PULSE 486
/*
* VP0 connections.
*/
#define H_AUTO n(AUTOFEED)
#define H_nAUTO AUTOFEED
#define H_STROBE n(STROBE)
#define H_nSTROBE STROBE
#define H_BSY n(nBUSY)
#define H_nBSY n_BUSY
#define H_SEL SELECT
#define H_nSEL n(SELECT)
#define H_ERR ERROR
#define H_nERR n(ERROR)
#define H_ACK nACK
#define H_nACK n(nACK)
#define H_FLT nFAULT
#define H_nFLT n(nFAULT)
#define H_SELIN n(SELECTIN)
#define H_nSELIN SELECTIN
#define H_INIT nINIT
#define H_nINIT n(nINIT)
struct vpo_sense {
struct scsi_sense cmd;
unsigned int stat;
unsigned int count;
};
struct vpo_data {
unsigned short vpo_unit;
int vpo_stat;
int vpo_count;
int vpo_error;
struct ppb_status vpo_status;
struct vpo_sense vpo_sense;
unsigned char vpo_buffer[VP0_BUFFER_SIZE];
struct ppb_device vpo_dev;
struct scsi_link sc_link;
};
#endif