diff options
Diffstat (limited to 'sys/arch/sparc/dev/daadio.c')
| -rw-r--r-- | sys/arch/sparc/dev/daadio.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/sys/arch/sparc/dev/daadio.c b/sys/arch/sparc/dev/daadio.c new file mode 100644 index 00000000000..6ff4ba3757e --- /dev/null +++ b/sys/arch/sparc/dev/daadio.c @@ -0,0 +1,170 @@ +/* $OpenBSD: daadio.c,v 1.1 1999/07/23 19:11:24 jason Exp $ */ + +/* + * Copyright (c) 1999 Jason L. Wright (jason@thought.net) + * All rights reserved. + * + * This software was developed by Jason L. Wright under contract with + * RTMX Incorporated (http://www.rtmx.com). + * + * 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 by Jason L. Wright for + * RTMX Incorporated. + * 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. + */ + +/* + * Driver for the MATRIX Corporation MD-DAADIO digital->analog, + * analog->digial, parallel i/o VME board. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/errno.h> +#include <sys/ioctl.h> +#include <sys/syslog.h> +#include <sys/device.h> +#include <sys/malloc.h> + +#include <machine/autoconf.h> +#include <sparc/cpu.h> +#include <sparc/sparc/cpuvar.h> +#include <sparc/dev/sbusvar.h> +#include <sparc/dev/dmareg.h> /* for SBUS_BURST_* */ + +#include <sparc/dev/fgareg.h> +#include <sparc/dev/fgavar.h> +#include <sparc/dev/daadioreg.h> + +int daadiomatch __P((struct device *, void *, void *)); +void daadioattach __P((struct device *, struct device *, void *)); +int daadiointr __P((void *)); + +struct daadio_softc { + struct device sc_dv; /* base device */ + struct daadioregs *sc_regs; /* registers */ + struct intrhand sc_ih; /* interrupt vectoring */ + u_int8_t sc_ier; /* software copy of ier */ +}; + +struct cfattach daadio_ca = { + sizeof (struct daadio_softc), daadiomatch, daadioattach +}; + +struct cfdriver daadio_cd = { + NULL, "daadio", DV_DULL +}; + +void daadio_ier_setbit __P((struct daadio_softc *, u_int8_t)); +void daadio_ier_clearbit __P((struct daadio_softc *, u_int8_t)); + +int +daadiomatch(parent, vcf, aux) + struct device *parent; + void *vcf, *aux; +{ + struct cfdata *cf = vcf; + struct confargs *ca = aux; + struct daadioregs *regs; + + if (ca->ca_bustype != BUS_FGA_A16D16) + return (0); + + if (strcmp(ca->ca_ra.ra_name, cf->cf_driver->cd_name)) + return (0); + + if (ca->ca_ra.ra_reg[0].rr_len < sizeof(struct daadioboard)) + return (0); + + regs = ca->ca_ra.ra_reg[0].rr_paddr; + if (probeget((caddr_t)®s->sid, 1) != -1) + return (1); + + return (0); +} + +void +daadioattach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct confargs *ca = aux; + struct daadio_softc *sc = (struct daadio_softc *)self; + + sc->sc_regs = mapiodev(&(ca->ca_ra.ra_reg[0]), 0, + sizeof(struct daadioboard)); + + sc->sc_regs->pio_pattern = sc->sc_regs->pio_porta; + sc->sc_regs->sid = ca->ca_ra.ra_intr[0].int_vec; + sc->sc_regs->gvrilr &= ~ILR_IRQ_MASK; + sc->sc_regs->gvrilr |= (ca->ca_ra.ra_intr[0].int_pri << ILR_IRQ_SHIFT) + & ILR_IRQ_MASK; + sc->sc_ih.ih_fun = daadiointr; + sc->sc_ih.ih_arg = sc; + fvmeintrestablish(parent, ca->ca_ra.ra_intr[0].int_vec, + ca->ca_ra.ra_intr[0].int_pri, &sc->sc_ih); + daadio_ier_setbit(sc, IER_PIOEVENT); + + printf(": level %d vec 0x%x\n", + ca->ca_ra.ra_intr[0].int_pri, ca->ca_ra.ra_intr[0].int_vec); +} + +int +daadiointr(vsc) + void *vsc; +{ + struct daadio_softc *sc = vsc; + struct daadioregs *regs = sc->sc_regs; + u_int8_t val; + int r = 0; + + if (regs->isr & ISR_PIOEVENT) { + val = regs->pio_porta; + printf("pio value: %x\n", val); + r |= 1; + regs->pio_pattern = val; + } + + return (r); +} + +void +daadio_ier_setbit(sc, v) + struct daadio_softc *sc; + u_int8_t v; +{ + sc->sc_ier |= v; + sc->sc_regs->ier = sc->sc_ier; +} + +void +daadio_ier_clearbit(sc, v) + struct daadio_softc *sc; + u_int8_t v; +{ + sc->sc_ier &= ~v; + sc->sc_regs->ier = sc->sc_ier; +} |