1/* $OpenBSD: lpt_ssio.c,v 1.2 2022/03/13 08:04:38 mpi Exp $ */ 2 3/* 4 * Copyright (c) 2007 Mark Kettenis 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19#include <sys/param.h> 20#include <sys/systm.h> 21#include <sys/device.h> 22 23#include <machine/bus.h> 24 25#include <dev/ic/lptreg.h> 26#include <dev/ic/lptvar.h> 27 28#include <hppa/dev/ssiovar.h> 29 30int lpt_ssio_match(struct device *, void *, void *); 31void lpt_ssio_attach(struct device *, struct device *, void *); 32 33const struct cfattach lpt_ssio_ca = { 34 sizeof(struct lpt_softc), lpt_ssio_match, lpt_ssio_attach 35}; 36 37int 38lpt_ssio_match(struct device *parent, void *match, void *aux) 39{ 40 struct cfdata *cf = match; 41 struct ssio_attach_args *saa = aux; 42 43 if (strcmp(saa->saa_name, "lpt") != 0) 44 return (0); 45 46 /* Check locators. */ 47 if (cf->ssiocf_irq != SSIO_UNK_IRQ && cf->ssiocf_irq != saa->saa_irq) 48 return (0); 49 50 return (1); 51} 52 53void 54lpt_ssio_attach(struct device *parent, struct device *self, void *aux) 55{ 56 struct lpt_softc *sc = (void *)self; 57 struct ssio_attach_args *saa = aux; 58 59 sc->sc_iot = saa->saa_iot; 60 if (bus_space_map(sc->sc_iot, saa->saa_iobase, LPT_NPORTS, 61 0, &sc->sc_ioh)) { 62 printf(": cannot map io space\n"); 63 return; 64 } 65 66 lpt_attach_common(sc); 67 68 sc->sc_ih = ssio_intr_establish(IPL_TTY, saa->saa_irq, 69 lptintr, sc, sc->sc_dev.dv_xname); 70} 71