/* $OpenBSD: dz_ibus.c,v 1.9 2001/10/01 13:05:07 hugh Exp $ */ /* $NetBSD: dz_ibus.c,v 1.15 1999/08/27 17:50:42 ragge 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../qbus/dzreg.h" #include "../qbus/dzvar.h" #include "../dec/dzkbdvar.h" #include "dzkbd.h" #include "dzms.h" static int dz_vsbus_match(struct device *, struct cfdata *, void *); static void dz_vsbus_attach(struct device *, struct device *, void *); static vaddr_t dz_regs; /* Used for console */ struct cfattach dz_vsbus_ca = { sizeof(struct dz_softc), (cfmatch_t)dz_vsbus_match, dz_vsbus_attach }; #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: */ } *dz; #undef REG cons_decl(dz); cdev_decl(dz); extern int getmajor __P((void *)); /* conf.c */ #if 0 #if NDZKBD > 0 || NDZMS > 0 static int dz_print(void *aux, const char *name) { #if 0 #if NDZKBD > 0 || NDZMS > 0 struct dz_attach_args *dz_args = aux; if (name == NULL) { printf (" line %d", dz_args->line); if (dz_args->hwflags & DZ_HWFLAG_CONSOLE) printf (" (console)"); } return (QUIET); #else if (name) printf ("lkc at %s", name); return (UNCONF); #endif #endif return (UNCONF); } #endif #endif /* 0 */ static int dz_vsbus_match(parent, cf, aux) struct device *parent; struct cfdata *cf; void *aux; { struct vsbus_attach_args *va = aux; struct ss_dz *dzP; short i; #if VAX53 || VAX49 if (vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_1303) if (cf->cf_loc[0] != 0x25000000) return 0; /* don't probe unnecessarily */ #endif dzP = (struct ss_dz *)va->va_addr; i = dzP->tcr; dzP->csr = DZ_CSR_MSE|DZ_CSR_TXIE; dzP->tcr = 0; DELAY(1000); dzP->tcr = 1; DELAY(100000); dzP->tcr = i; /* If the device doesn't exist, no interrupt has been generated */ return 1; } static void dz_vsbus_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct dz_softc *sc = (void *)self; struct vsbus_attach_args *va = aux; #if 0 #if NDZKBD > 0 || NDZMS > 0 struct dzkm_attach_args daa; #endif #endif /* 0 */ /* * 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. */ if (dz_regs == 0) /* This isn't console */ dz_regs = vax_map_physmem(va->va_paddr, 1); sc->sc_ioh = dz_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_type = DZ_DZV; sc->sc_dsr = 0x0f; /* XXX check if VS has modem ctrl bits */ scb_vecalloc(va->va_cvec, dzxint, sc, SCB_ISTACK, &sc->sc_tintrcnt); scb_vecalloc(va->va_cvec - 4, dzrint, sc, SCB_ISTACK, &sc->sc_rintrcnt); printf("\n%s: 4 lines", self->dv_xname); dzattach(sc); #if 0 #if NDZKBD > 0 /* Don't change speed if this is the console */ if (cn_tab->cn_dev != makedev(getmajor(dzopen), 0)) dz->rbuf = DZ_LPR_RX_ENABLE | (DZ_LPR_B4800 << 8) | DZ_LPR_8_BIT_CHAR; daa.daa_line = 0; daa.daa_flags = (cn_tab->cn_pri == CN_INTERNAL ? DZKBD_CONSOLE : 0); config_found(self, &daa, dz_print); #endif #if NDZMS > 0 dz->rbuf = DZ_LPR_RX_ENABLE | (DZ_LPR_B4800 << 8) | DZ_LPR_7_BIT_CHAR \ | DZ_LPR_PARENB | DZ_LPR_OPAR | 1 /* line */; daa.daa_line = 1; daa.daa_flags = 0; config_found(self, &daa, dz_print); #endif #endif /* 0 */ #if 0 s = spltty(); dzrint(sc); dzxint(sc); splx(s); #endif } int dzcngetc(dev) dev_t dev; { int c = 0; int mino = minor(dev); u_short rbuf; do { while ((dz->csr & 0x80) == 0) ; /* Wait for char */ rbuf = dz->rbuf; if (((rbuf >> 8) & 3) != mino) continue; c = rbuf & 0x7f; } while (c == 17 || c == 19); /* ignore XON/XOFF */ if (c == 13) c = 10; return (c); } void dzcnprobe(cndev) struct consdev *cndev; { extern vaddr_t iospace; int diagcons; paddr_t ioaddr = 0x200A0000; switch (vax_boardtype) { case VAX_BTYP_410: case VAX_BTYP_420: case VAX_BTYP_43: diagcons = (vax_confdata & 0x20 ? 3 : 0); break; case VAX_BTYP_46: case VAX_BTYP_48: diagcons = (vax_confdata & 0x100 ? 3 : 0); break; case VAX_BTYP_49: case VAX_BTYP_1303: ioaddr = 0x25000000; diagcons = 3; break; default: cndev->cn_pri = CN_DEAD; return; } if (diagcons) cndev->cn_pri = CN_REMOTE; else cndev->cn_pri = CN_NORMAL; #if 0 cndev->cn_dev = makedev(DZMAJOR, diagcons); dz_regs = iospace; #endif cndev->cn_dev = makedev(getmajor(dzopen), diagcons); (vaddr_t)dz = dz_regs = iospace; ioaccess(iospace, ioaddr, 1); } void dzcninit(cndev) struct consdev *cndev; { dz = (void*)dz_regs; dz->csr = 0; /* Disable scanning until initting is done */ dz->tcr = (1 << minor(cndev->cn_dev)); /* Turn on xmitter */ dz->csr = 0x20; /* Turn scanning back on */ } void dzcnputc(dev,ch) dev_t dev; int ch; { register int timeout = 1<<15; /* don't hang the machine! */ register int s; int mino = minor(dev); u_short tcr; if (mfpr(PR_MAPEN) == 0) return; /* * If we are past boot stage, dz* will interrupt, * therefore we block. */ s = splhigh(); tcr = dz->tcr; /* remember which lines to scan */ dz->tcr = (1 << mino); while ((dz->csr & 0x8000) == 0) /* Wait until ready */ if (--timeout < 0) break; dz->tdr = ch; /* Put the character */ timeout = 1<<15; while ((dz->csr & 0x8000) == 0) /* Wait until ready */ if (--timeout < 0) break; dz->tcr = tcr; splx(s); } void dzcnpollc(dev, pollflag) dev_t dev; int pollflag; { static u_char mask; if (pollflag) mask = vsbus_setmask(0); else vsbus_setmask(mask); } #if NDZKBD > 0 || NDZMS > 0 int dzgetc(ls) struct dz_linestate *ls; { int line = ls->dz_line; u_short rbuf; for (;;) { for(; (dz->csr & DZ_CSR_RX_DONE) == 0;) ; rbuf = dz->rbuf; if (((rbuf >> 8) & 3) == line) return (rbuf & 0xff); } } void dzputc(ls,ch) struct dz_linestate *ls; int ch; { int line = 0; /* = ls->dz_line; */ u_short tcr; int s; /* if the dz has already been attached, the MI driver will do the transmitting: */ if (ls && ls->dz_sc) { s = spltty(); putc(ch, &ls->dz_sc->sc_dz[line].dz_tty->t_outq); tcr = dz->tcr; if (!(tcr & (1 << line))) dz->tcr = tcr | (1 << line); dzxint(ls->dz_sc); splx(s); return; } /* use dzcnputc to do the transmitting: */ dzcnputc(makedev(getmajor(dzopen), line), ch); } #endif /* NDZKBD > 0 || NDZMS > 0 */