/* $NetBSD: dz_vsbus.c,v 1.34 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_vsbus.c,v 1.34 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 "ioconf.h" #include "dzkbd.h" #include "dzms.h" #include "opt_cputype.h" #if NDZKBD > 0 || NDZMS > 0 #include #if 0 static struct dz_linestate dz_conslinestate = { NULL, -1, NULL, NULL, NULL }; #endif #endif 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 */ CFATTACH_DECL(dz_vsbus, sizeof(struct dz_softc), dz_vsbus_match, dz_vsbus_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: */ } *dz; #undef REG cons_decl(dz); #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) { aprint_normal (" line %d", dz_args->line); if (dz_args->hwflags & DZ_HWFLAG_CONSOLE) aprint_normal (" (console)"); } return (QUIET); #else if (name) aprint_normal ("lkc at %s", name); return (UNCONF); #endif #endif return (UNCONF); } #endif static int dz_vsbus_match(struct device *parent, struct cfdata *cf, void *aux) { struct vsbus_attach_args *va = aux; struct ss_dz *dzP; short i; #if VAX53 || VAX49 || VAXANY if (vax_boardtype == VAX_BTYP_53 || vax_boardtype == VAX_BTYP_49) if (cf->cf_loc[0] != 0x25000000) return 0; /* Ugly */ #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(struct device *parent, struct device *self, void *aux) { struct dz_softc *sc = (void *)self; struct vsbus_attach_args *va = aux; #if NDZKBD > 0 extern const struct cdevsw dz_cdevsw; #endif #if NDZKBD > 0 || NDZMS > 0 struct dzkm_attach_args daa; #endif int s, consline; /* * 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); consline = -1; } else consline = minor(cn_tab->cn_dev); 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_dr.dr_firstreg = 0; sc->sc_dr.dr_winsize = 14; 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, NULL, consline); DELAY(10000); if (consline != -1) cn_set_magic("\033D"); /* set VAX DDB escape sequence */ #if NDZKBD > 0 /* Don't touch this port if this is the console */ if (cn_tab->cn_dev != makedev(cdevsw_lookup_major(&dz_cdevsw), 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_8_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 s = spltty(); dzrint(sc); dzxint(sc); splx(s); } int dzcngetc(dev_t dev) { int c = 0, s; int mino = minor(dev); u_short rbuf; s = spltty(); 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 */ splx(s); if (c == 13) c = 10; return (c); } void dzcnprobe(struct consdev *cndev) { extern vaddr_t iospace; int diagcons; paddr_t ioaddr = 0x200A0000; extern const struct cdevsw dz_cdevsw; 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_53: ioaddr = 0x25000000; diagcons = (vax_confdata & 8 ? 3 : 0); break; default: cndev->cn_pri = CN_DEAD; return; } if (diagcons) cndev->cn_pri = CN_REMOTE; else cndev->cn_pri = CN_NORMAL; cndev->cn_dev = makedev(cdevsw_lookup_major(&dz_cdevsw), diagcons); (vaddr_t)dz = dz_regs = iospace; ioaccess(iospace, ioaddr, 1); } void dzcninit(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_t dev, int ch) { int timeout = 1<<15; /* don't hang the machine! */ int mino = minor(dev); int s; u_short tcr; if (mfpr(PR_MAPEN) == 0) return; s = spltty(); 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_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(struct dz_linestate *ls) { int line = ls->dz_line; int s; u_short rbuf; s = spltty(); for (;;) { for(; (dz->csr & DZ_CSR_RX_DONE) == 0;); rbuf = dz->rbuf; if (((rbuf >> 8) & 3) == line) { splx(s); return (rbuf & 0xff); } } } void dzputc(struct dz_linestate *ls, int ch) { int line; u_short tcr; int s; extern const struct cdevsw dz_cdevsw; /* if the dz has already been attached, the MI driver will do the transmitting: */ if (ls && ls->dz_sc) { s = spltty(); line = ls->dz_line; putc(ch, &ls->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(cdevsw_lookup_major(&dz_cdevsw), 0), ch); } #endif /* NDZKBD > 0 || NDZMS > 0 */