1 /* $OpenBSD: lpt_ssio.c,v 1.1 2007/06/20 18:22:15 kettenis 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 <sys/bus.h> 24 25 #include <dev/ic/lptreg.h> 26 #include <dev/ic/lptvar.h> 27 28 #include <hppa/dev/ssiovar.h> 29 30 int lpt_ssio_match(device_t, cfdata_t, void *); 31 void lpt_ssio_attach(device_t, device_t, void *); 32 33 CFATTACH_DECL_NEW(lpt_ssio, sizeof(struct lpt_softc), 34 lpt_ssio_match, lpt_ssio_attach, NULL, NULL); 35 36 int 37 lpt_ssio_match(device_t parent, cfdata_t match, void *aux) 38 { 39 cfdata_t cf = match; 40 struct ssio_attach_args *saa = aux; 41 42 if (strcmp(saa->saa_name, "lpt") != 0) 43 return (0); 44 45 /* Check locators. */ 46 if (cf->ssiocf_irq != SSIO_UNK_IRQ && cf->ssiocf_irq != saa->saa_irq) 47 return (0); 48 49 return (1); 50 } 51 52 void 53 lpt_ssio_attach(device_t parent, device_t self, void *aux) 54 { 55 struct lpt_softc *sc = device_private(self); 56 struct ssio_attach_args *saa = aux; 57 58 sc->sc_dev = self; 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 aprint_error(": can't map i/o ports\n"); 63 return; 64 } 65 66 lpt_attach_subr(sc); 67 68 sc->sc_ih = ssio_intr_establish(IPL_TTY, saa->saa_irq, 69 lptintr, sc, device_xname(self)); 70 71 aprint_normal("\n"); 72 } 73