1 /* $OpenBSD: arcofi_gsc.c,v 1.1 2011/12/21 23:12:03 miod Exp $ */ 2 3 /* 4 * Copyright (c) 2011 Miodrag Vallat. 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/autoconf.h> 24 #include <machine/bus.h> 25 #include <machine/cpu.h> 26 #include <machine/intr.h> 27 #include <machine/iomod.h> 28 29 #include <sys/audioio.h> 30 #include <dev/audio_if.h> 31 #include <dev/ic/arcofivar.h> 32 33 #include <hppa/dev/cpudevs.h> 34 #include <hppa/gsc/gscbusvar.h> 35 36 int arcofi_gsc_match(struct device *, void *, void *); 37 void arcofi_gsc_attach(struct device *, struct device *, void *); 38 39 const struct cfattach arcofi_gsc_ca = { 40 sizeof(struct arcofi_softc), 41 arcofi_gsc_match, 42 arcofi_gsc_attach 43 }; 44 45 int 46 arcofi_gsc_match(struct device *parent, void *match, void *vaa) 47 { 48 struct gsc_attach_args *ga = vaa; 49 50 if (ga->ga_type.iodc_type == HPPA_TYPE_FIO && 51 (ga->ga_type.iodc_sv_model == HPPA_FIO_A1 || 52 ga->ga_type.iodc_sv_model == HPPA_FIO_A1NB)) 53 return 1; 54 55 return 0; 56 } 57 58 void 59 arcofi_gsc_attach(struct device *parent, struct device *self, void *vaa) 60 { 61 struct arcofi_softc *sc = (struct arcofi_softc *)self; 62 struct gsc_attach_args *ga = vaa; 63 unsigned int u; 64 65 for (u = 0; u < ARCOFI_NREGS; u++) 66 sc->sc_reg[u] = (u << 2) | 0x01; 67 68 sc->sc_iot = ga->ga_iot; 69 if (bus_space_map(sc->sc_iot, ga->ga_hpa, ARCOFI_NREGS << 2, 0, 70 &sc->sc_ioh) != 0) { 71 printf(": can't map registers\n"); 72 return; 73 } 74 75 /* XXX no generic IPL_SOFT level available */ 76 sc->sc_sih = softintr_establish(IPL_SOFTTTY, &arcofi_swintr, sc); 77 if (sc->sc_sih == NULL) { 78 printf(": can't register soft interrupt\n"); 79 return; 80 } 81 gsc_intr_establish((struct gsc_softc *)parent, ga->ga_irq, 82 IPL_AUDIO, arcofi_hwintr, sc, sc->sc_dev.dv_xname); 83 84 printf("\n"); 85 86 arcofi_attach(sc, "gsc"); 87 } 88