/* $NetBSD: dz_ibus.c,v 1.32 2003/12/13 23:02:33 ad Exp $ */ /* * Copyright (c) 1998 Ludd, University of Lule}, Sweden. * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed at Ludd, University of * Lule}, Sweden and its contributors. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. */ #include __KERNEL_RCSID(0, "$NetBSD: dz_ibus.c,v 1.32 2003/12/13 23:02:33 ad Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ioconf.h" #define DZADDR 0x25000000 #define DZVEC 0x154 static int dz_ibus_match(struct device *, struct cfdata *, void *); static void dz_ibus_attach(struct device *, struct device *, void *); static vaddr_t idz_regs; /* Used for console */ CFATTACH_DECL(dz_ibus, sizeof(struct dz_softc), dz_ibus_match, dz_ibus_attach, NULL, NULL); #define REG(name) short name; short X##name##X; static volatile struct ss_dz {/* base address of DZ-controller: 0x200A0000 */ REG(csr); /* 00 Csr: control/status register */ REG(rbuf); /* 04 Rbuf/Lpr: receive buffer/line param reg. */ REG(tcr); /* 08 Tcr: transmit console register */ REG(tdr); /* 0C Msr/Tdr: modem status reg/transmit data reg */ REG(lpr0); /* 10 Lpr0: */ REG(lpr1); /* 14 Lpr0: */ REG(lpr2); /* 18 Lpr0: */ REG(lpr3); /* 1C Lpr0: */ } *idz; #undef REG cons_decl(idz); static int dz_ibus_match(parent, cf, aux) struct device *parent; struct cfdata *cf; void *aux; { struct bp_conf *bp = aux; if (strcmp(bp->type, "dz") == 0) return 1; return 0; } static void dz_ibus_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct dz_softc *sc = (void *)self; struct ss_dz *dzP; int i, vec, br; /* * XXX - This is evil and ugly, but... * due to the nature of how bus_space_* works on VAX, this will * be perfectly good until everything is converted. */ sc->sc_ioh = idz_regs; sc->sc_dr.dr_csr = 0; sc->sc_dr.dr_rbuf = 4; sc->sc_dr.dr_dtr = 9; sc->sc_dr.dr_break = 13; sc->sc_dr.dr_tbuf = 12; sc->sc_dr.dr_tcr = 8; sc->sc_dr.dr_dcd = 13; sc->sc_dr.dr_ring = 13; sc->sc_dr.dr_firstreg = 0; sc->sc_dr.dr_winsize = sizeof(struct ss_dz); sc->sc_type = DZ_DZV; scb_vecref(0, 0); dzP = (struct ss_dz *)idz_regs; i = dzP->tcr; dzP->csr = DZ_CSR_MSE|DZ_CSR_TXIE; dzP->tcr = 0; DELAY(1000); dzP->tcr = 1; DELAY(100000); dzP->tcr = i; i = scb_vecref(&vec, &br); printf(": vec %o ipl %x", vec, br); if(i == 0 || vec == 0) printf(" -> NO INT!"); sc->sc_dsr = 0x0f; /* XXX check if VS has modem ctrl bits */ scb_vecalloc(DZVEC, dzxint, sc, SCB_ISTACK, &sc->sc_tintrcnt); scb_vecalloc(DZVEC - 4, dzrint, sc, SCB_ISTACK, &sc->sc_rintrcnt); printf("\n%s: 4 lines", self->dv_xname); dzattach(sc, NULL, minor(cn_tab->cn_dev); } int idzcngetc(dev) dev_t dev; { int c = 0, s; int mino = minor(dev); u_short rbuf; s = spltty(); do { while ((idz->csr & 0x80) == 0) ; /* Wait for char */ rbuf = idz->rbuf; if (((rbuf >> 8) & 3) != mino) continue; c = rbuf & 0x7f; } while (c == 17 || c == 19); /* ignore XON/XOFF */ splx(s); if (c == 13) c = 10; return (c); } void idzcnprobe(cndev) struct consdev *cndev; { extern vaddr_t iospace; int diagcons; paddr_t ioaddr = DZADDR; extern const struct cdevsw dz_cdevsw; /* not fine... but for now only KA53 is known to have dz@ibus */ if(vax_boardtype != VAX_BTYP_53) { cndev->cn_pri = CN_DEAD; return; } diagcons = 3; cndev->cn_pri = CN_NORMAL; cndev->cn_dev = makedev(cdevsw_lookup_major(&dz_cdevsw), diagcons); idz_regs = iospace; ioaccess(iospace, ioaddr, 1); } void idzcninit(cndev) struct consdev *cndev; { idz = (void*)idz_regs; idz->csr = 0; /* Disable scanning until initting is done */ idz->tcr = (1 << minor(cndev->cn_dev)); /* Turn on xmitter */ idz->csr = 0x20; /* Turn scanning back on */ } void idzcnputc(dev,ch) dev_t dev; int ch; { int timeout = 1<<15; /* don't hang the machine! */ int mino = minor(dev); u_short tcr; int s; if (mfpr(PR_MAPEN) == 0) return; s = spltty(); tcr = idz->tcr; /* remember which lines to scan */ idz->tcr = (1 << mino); while ((idz->csr & 0x8000) == 0) /* Wait until ready */ if (--timeout < 0) break; idz->tdr = ch; /* Put the character */ timeout = 1<<15; while ((idz->csr & 0x8000) == 0) /* Wait until ready */ if (--timeout < 0) break; idz->tcr = tcr; splx(s); } void idzcnpollc(dev_t dev, int pollflag) { }