Console TU58 device driver for 11/750 added.
It cannot write tapes yes, but reading works OK.
This commit is contained in:
ragge
parent
90b84d2da5
commit
aeaef139aa
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@ -0,0 +1,391 @@
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/* $NetBSD: ctu.c,v 1.1 1996/02/17 18:48:53 ragge Exp $ */
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/*
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* Copyright (c) 1996 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Device driver for 11/750 Console TU58.
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*
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* Error checking is almost nonexistent, the driver should be
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* fixed to at least calculate checksum on incoming packets.
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* Writing of tapes does not work, by some unknown reason so far.
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* It is almost useless to try to use this driver when running
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* multiuser, because the serial device don't have any buffers
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* so we will loose interrupts.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/buf.h>
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#include <sys/fcntl.h>
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#include <sys/malloc.h>
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#include <sys/ioctl.h>
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#include <sys/device.h>
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#include <machine/mtpr.h>
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#include <machine/rsp.h>
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#include <machine/scb.h>
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#include <machine/trap.h>
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enum tu_state {
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SC_UNUSED,
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SC_INIT,
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SC_READY,
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SC_SEND_CMD,
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SC_GET_RESP,
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SC_GET_WCONT,
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SC_GET_END,
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SC_RESTART,
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};
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volatile struct tu_softc {
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enum tu_state sc_state;
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int sc_error;
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char sc_rsp[15]; /* Should be struct rsb; but don't work */
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u_char *sc_xfptr; /* Current char to xfer */
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u_char *sc_blk; /* Base of current 128b block */
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int sc_tpblk; /* Start block number */
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int sc_nbytes; /* Number of bytes to xfer */
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int sc_xbytes; /* Number of xfer'd bytes */
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int sc_bbytes; /* Number of xfer'd bytes this block */
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int sc_op; /* Read/write */
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int sc_xmtok; /* set if OK to xmit */
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struct buf sc_q; /* Current buffer */
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} tu_sc;
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struct ivec_dsp tu_recv, tu_xmit;
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void ctutintr __P(());
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void cturintr __P(());
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void ctustart __P((struct buf *));
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void ctuwatch __P(());
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void
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ctuattach()
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{
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extern struct ivec_dsp idsptch;
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bcopy(&idsptch, &tu_recv, sizeof(struct ivec_dsp));
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bcopy(&idsptch, &tu_xmit, sizeof(struct ivec_dsp));
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scb->scb_csrint = &tu_recv;
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scb->scb_cstint = &tu_xmit;
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tu_recv.hoppaddr = cturintr;
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tu_xmit.hoppaddr = ctutintr;
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}
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int
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ctuopen(dev, oflags, devtype, p)
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dev_t dev;
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int oflags, devtype;
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struct proc *p;
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{
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int unit, error;
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unit = minor(dev);
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if (unit)
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return ENXIO;
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if (tu_sc.sc_state != SC_UNUSED)
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return EBUSY;
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tu_sc.sc_error = 0;
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mtpr(0100, PR_CSRS); /* Enable receive interrupt */
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timeout(ctuwatch, 0, 100); /* Check once/second */
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tu_sc.sc_state = SC_INIT;
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mtpr(RSP_TYP_INIT, PR_CSTD);
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if (error = tsleep((caddr_t)&tu_sc, (PZERO + 10)|PCATCH, "ctuopen", 0))
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return (error);
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if (tu_sc.sc_error)
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return tu_sc.sc_error;
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tu_sc.sc_state = SC_READY;
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tu_sc.sc_xmtok = 1;
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mtpr(0100, PR_CSTS);
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return 0;
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}
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int
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ctuclose(dev, oflags, devtype, p)
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dev_t dev;
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int oflags, devtype;
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struct proc *p;
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{
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mtpr(0, PR_CSRS);
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mtpr(0, PR_CSTS);
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tu_sc.sc_state = SC_UNUSED;
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untimeout(ctuwatch, 0);
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return 0;
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}
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void
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ctustrategy(bp)
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struct buf *bp;
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{
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int s;
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#ifdef TUDEBUG
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printf("addr %x, block %x, nblock %x, read %x\n",
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bp->b_un.b_addr, bp->b_blkno, bp->b_bcount,
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bp->b_flags & B_READ);
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#endif
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if (bp->b_blkno >= 512) {
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iodone(bp);
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return;
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}
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bp->b_cylinder = bp->b_blkno;
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s = splimp();
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disksort(&tu_sc.sc_q, bp); /* Why not use disksort? */
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if (tu_sc.sc_state == SC_READY)
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ctustart(bp);
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splx(s);
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}
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void
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ctustart(bp)
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struct buf *bp;
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{
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struct rsp *rsp = (struct rsp *)tu_sc.sc_rsp;
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tu_sc.sc_xfptr = tu_sc.sc_blk = bp->b_un.b_addr;
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tu_sc.sc_tpblk = bp->b_blkno;
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tu_sc.sc_nbytes = bp->b_bcount;
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tu_sc.sc_xbytes = tu_sc.sc_bbytes = 0;
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tu_sc.sc_op = bp->b_flags & B_READ ? RSP_OP_READ : RSP_OP_WRITE;
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rsp->rsp_typ = RSP_TYP_COMMAND;
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rsp->rsp_sz = 012;
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rsp->rsp_op = tu_sc.sc_op;
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rsp->rsp_mod = 0;
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rsp->rsp_drv = 0;
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rsp->rsp_sw = rsp->rsp_xx1 = rsp->rsp_xx2 = 0;
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rsp->rsp_cnt = tu_sc.sc_nbytes;
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rsp->rsp_blk = tu_sc.sc_tpblk;
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rsp->rsp_sum = ctu_cksum(rsp, 6);
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tu_sc.sc_state = SC_SEND_CMD;
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if (tu_sc.sc_xmtok) {
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tu_sc.sc_xmtok = 0;
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ctutintr();
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}
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}
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int
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ctuioctl(dev, cmd, data, fflag, p)
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dev_t dev;
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u_long cmd;
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caddr_t data;
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int fflag;
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struct proc *p;
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{
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}
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/*
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* Not bloody likely...
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*/
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int
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ctudump(dev, blkno, va, size)
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dev_t dev;
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daddr_t blkno;
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caddr_t va;
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size_t size;
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{
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}
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void
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cturintr()
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{
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int status = mfpr(PR_CSRD);
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struct buf *bp;
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bp = tu_sc.sc_q.b_actf;
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switch (tu_sc.sc_state) {
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case SC_UNUSED:
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printf("stray console storage interrupt, got %o\n", status);
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break;
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case SC_INIT:
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if (status != RSP_TYP_CONTINUE)
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tu_sc.sc_error = EIO;
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wakeup(&tu_sc);
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break;
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case SC_GET_RESP:
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tu_sc.sc_tpblk++;
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if (tu_sc.sc_xbytes == tu_sc.sc_nbytes) {
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tu_sc.sc_bbytes++;
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if (tu_sc.sc_bbytes == 146) { /* We're finished! */
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printf("Xfer ok\n");
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tu_sc.sc_q.b_actf = bp->b_actf;
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iodone(bp);
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tu_sc.sc_xmtok = 1;
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tu_sc.sc_state = SC_READY;
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if (tu_sc.sc_q.b_actf)
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ctustart(tu_sc.sc_q.b_actf);
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}
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break;
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}
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tu_sc.sc_bbytes++;
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if (tu_sc.sc_bbytes < 3) /* Data header */
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break;
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if (tu_sc.sc_bbytes == 132) { /* Finished */
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tu_sc.sc_bbytes = 0;
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break;
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}
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if (tu_sc.sc_bbytes == 131) /* First checksum */
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break;
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tu_sc.sc_xfptr[tu_sc.sc_xbytes++] = status;
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break;
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case SC_GET_WCONT:
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if (status != 020)
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printf("SC_GET_WCONT: status %o\n", status);
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else
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ctutintr();
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tu_sc.sc_xmtok = 0;
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break;
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case SC_RESTART:
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ctustart(tu_sc.sc_q.b_actf);
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break;
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default:
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if (status == 4) { /* Protocol error, or something */
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tu_sc.sc_state = SC_RESTART;
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mtpr(RSP_TYP_INIT, PR_CSTD);
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return;
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}
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printf("Unknown receive ctuintr state %d, pack %o\n",
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tu_sc.sc_state, status);
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}
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}
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void
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ctutintr()
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{
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int c;
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if (tu_sc.sc_xmtok)
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return;
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switch (tu_sc.sc_state) {
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case SC_SEND_CMD:
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c = tu_sc.sc_rsp[tu_sc.sc_xbytes++] & 0xff;
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mtpr(c, PR_CSTD);
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if (tu_sc.sc_xbytes > 13) {
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tu_sc.sc_state = (tu_sc.sc_op == RSP_OP_READ ?
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SC_GET_RESP : SC_GET_WCONT);
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tu_sc.sc_xbytes = 0;
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tu_sc.sc_xmtok++;
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}
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break;
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case SC_GET_WCONT:
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switch (tu_sc.sc_bbytes) {
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case 0:
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mtpr(1, PR_CSTD); /* This is a data packet */
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break;
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case 1:
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mtpr(128, PR_CSTD); /* # of bytes to send */
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break;
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case 130:
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mtpr(0, PR_CSTD); /* First checksum */
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break;
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case 131:
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mtpr(0, PR_CSTD); /* Second checksum */
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break;
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case 132: /* Nothing to send... */
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tu_sc.sc_bbytes = -1;
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if (tu_sc.sc_xbytes == tu_sc.sc_nbytes + 1)
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tu_sc.sc_op = SC_GET_END;
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break;
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default:
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c = tu_sc.sc_rsp[tu_sc.sc_xbytes++] & 0xff;
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mtpr(c, PR_CSTD);
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break;
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}
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tu_sc.sc_bbytes++;
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break;
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default:
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printf("Unknown xmit ctuintr state %d\n",tu_sc.sc_state);
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}
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}
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ctu_cksum(buf, words)
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unsigned short *buf;
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int words;
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{
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int i, cksum;
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for (i = cksum = 0; i < words; i++)
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cksum += buf[i];
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hej: if (cksum > 65535) {
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cksum = (cksum & 65535) + (cksum >> 16);
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goto hej;
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}
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return cksum;
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}
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int oldtp;
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/*
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* Watch so that we don't get blocked unnecessary due to lost int's.
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*/
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void
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ctuwatch()
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{
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timeout(ctuwatch, 0, 1000);
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if (tu_sc.sc_state == SC_GET_RESP && tu_sc.sc_tpblk != 0 &&
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tu_sc.sc_tpblk == oldtp && (tu_sc.sc_tpblk % 128 != 0)) {
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printf("tu0: lost recv interrupt\n");
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ctustart(tu_sc.sc_q.b_actf);
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return;
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}
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if (tu_sc.sc_state == SC_RESTART)
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mtpr(RSP_TYP_INIT, PR_CSTS);
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oldtp = tu_sc.sc_tpblk;
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: intvec.s,v 1.15 1996/02/03 01:43:41 mycroft Exp $ */
|
/* $NetBSD: intvec.s,v 1.16 1996/02/17 18:48:59 ragge Exp $ */
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
|
* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
|
||||||
|
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@ -147,13 +147,8 @@ _rpb:
|
||||||
INTVEC(strayE4, ISTACK) # Unused, E4
|
INTVEC(strayE4, ISTACK) # Unused, E4
|
||||||
INTVEC(strayE8, ISTACK) # Unused, E8
|
INTVEC(strayE8, ISTACK) # Unused, E8
|
||||||
INTVEC(strayEC, ISTACK) # Unused, EC
|
INTVEC(strayEC, ISTACK) # Unused, EC
|
||||||
#ifdef VAX750
|
|
||||||
INTVEC(cstrint, ISTACK) # Console Storage Recieve Interrupt
|
|
||||||
INTVEC(csttint, ISTACK) # Console Storage Transmit Interrupt
|
|
||||||
#else
|
|
||||||
INTVEC(strayF0, ISTACK)
|
INTVEC(strayF0, ISTACK)
|
||||||
INTVEC(strayF4, ISTACK)
|
INTVEC(strayF4, ISTACK)
|
||||||
#endif
|
|
||||||
INTVEC(consrint, ISTACK) # Console Terminal Recieve Interrupt
|
INTVEC(consrint, ISTACK) # Console Terminal Recieve Interrupt
|
||||||
INTVEC(constint, ISTACK) # Console Terminal Transmit Interrupt
|
INTVEC(constint, ISTACK) # Console Terminal Transmit Interrupt
|
||||||
|
|
||||||
|
|
@ -304,14 +299,8 @@ hardclock: mtpr $0xc1,$PR_ICCS # Reset interrupt flag
|
||||||
STRAY(0,E4)
|
STRAY(0,E4)
|
||||||
STRAY(0,E8)
|
STRAY(0,E8)
|
||||||
STRAY(0,EC)
|
STRAY(0,EC)
|
||||||
|
|
||||||
#ifdef VAX750
|
|
||||||
FASTINTR(cstrint,cturintr)
|
|
||||||
FASTINTR(csttint,ctutintr)
|
|
||||||
#else
|
|
||||||
STRAY(0,F0)
|
STRAY(0,F0)
|
||||||
STRAY(0,F4)
|
STRAY(0,F4)
|
||||||
#endif
|
|
||||||
|
|
||||||
FASTINTR(consrint,gencnrint)
|
FASTINTR(consrint,gencnrint)
|
||||||
FASTINTR(constint,gencntint)
|
FASTINTR(constint,gencntint)
|
||||||
|
|
|
||||||
|
|
@ -1,4 +1,4 @@
|
||||||
/* $NetBSD: ka750.c,v 1.9 1996/02/02 18:08:56 mycroft Exp $ */
|
/* $NetBSD: ka750.c,v 1.10 1996/02/17 18:48:56 ragge Exp $ */
|
||||||
|
|
||||||
/*-
|
/*-
|
||||||
* Copyright (c) 1982, 1986, 1988 The Regents of the University of California.
|
* Copyright (c) 1982, 1986, 1988 The Regents of the University of California.
|
||||||
|
|
@ -47,6 +47,7 @@
|
||||||
#include <machine/pte.h>
|
#include <machine/pte.h>
|
||||||
#include <machine/cpu.h>
|
#include <machine/cpu.h>
|
||||||
#include <machine/mtpr.h>
|
#include <machine/mtpr.h>
|
||||||
|
#include <machine/scb.h>
|
||||||
#include <vax/uba/ubavar.h>
|
#include <vax/uba/ubavar.h>
|
||||||
#include <vax/uba/ubareg.h>
|
#include <vax/uba/ubareg.h>
|
||||||
|
|
||||||
|
|
@ -58,7 +59,7 @@ ka750_conf(parent, self, aux)
|
||||||
struct device *parent, *self;
|
struct device *parent, *self;
|
||||||
void *aux;
|
void *aux;
|
||||||
{
|
{
|
||||||
extern char cpu_model[];
|
extern char cpu_model[];
|
||||||
|
|
||||||
strcpy(cpu_model,"VAX 11/750");
|
strcpy(cpu_model,"VAX 11/750");
|
||||||
printf(": 11/750, hardware rev %d, ucode rev %d\n",
|
printf(": 11/750, hardware rev %d, ucode rev %d\n",
|
||||||
|
|
@ -69,6 +70,9 @@ ka750_conf(parent, self, aux)
|
||||||
mtpr(0x8000, PR_ACCS);
|
mtpr(0x8000, PR_ACCS);
|
||||||
} else
|
} else
|
||||||
printf("no FPA\n");
|
printf("no FPA\n");
|
||||||
|
|
||||||
|
/* Call ctuattach() here so it can setup its vectors. */
|
||||||
|
ctuattach();
|
||||||
}
|
}
|
||||||
|
|
||||||
/*
|
/*
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue