wss_pnpbios.c revision 1.4
1 /* $NetBSD: wss_pnpbios.c,v 1.4 2000/04/22 06:38:24 thorpej Exp $ */ 2 /* 3 * Copyright (c) 1999 4 * Matthias Drochner. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/param.h> 29 #include <sys/systm.h> 30 #include <sys/errno.h> 31 #include <sys/ioctl.h> 32 #include <sys/syslog.h> 33 #include <sys/device.h> 34 #include <sys/proc.h> 35 36 #include <machine/bus.h> 37 38 #include <sys/audioio.h> 39 #include <dev/audio_if.h> 40 41 #include <dev/isa/isavar.h> 42 #include <dev/isa/isadmavar.h> 43 44 #include <i386/pnpbios/pnpbiosvar.h> 45 46 #include <dev/isa/ad1848var.h> 47 #include <dev/isa/wssreg.h> 48 #include <dev/isa/wssvar.h> 49 50 int wss_pnpbios_match __P((struct device *, struct cfdata *, void *)); 51 void wss_pnpbios_attach __P((struct device *, struct device *, void *)); 52 int wss_pnpbios_hints_index __P((const char *)); 53 54 55 struct cfattach wss_pnpbios_ca = { 56 sizeof(struct wss_softc), wss_pnpbios_match, wss_pnpbios_attach 57 }; 58 59 struct wss_pnpbios_hint { 60 char idstr[8]; 61 int io_region_idx_ad1848; /* which region index is the DAC? */ 62 int io_region_idx_opl; /* which region index is the OPL? */ 63 int offset_ad1848; /* offset from start of DAC region */ 64 }; 65 66 struct wss_pnpbios_hint wss_pnpbios_hints[] = { 67 { "NMX2210", 1, 2, WSS_CODEC }, 68 { "CSC0000", 0, 1, 0 }, /* Dell Latitude CPi */ 69 { { 0 }, 0, 0, 0 } 70 }; 71 72 73 int 74 wss_pnpbios_hints_index(idstr) 75 const char *idstr; 76 { 77 int idx = 0; 78 79 while (wss_pnpbios_hints[idx].idstr[0] != 0) { 80 if (!strcmp(wss_pnpbios_hints[idx].idstr, idstr)) 81 return idx; 82 ++idx; 83 } 84 85 return -1; 86 } 87 88 int 89 wss_pnpbios_match(parent, match, aux) 90 struct device *parent; 91 struct cfdata *match; 92 void *aux; 93 { 94 struct pnpbiosdev_attach_args *aa = aux; 95 96 if (wss_pnpbios_hints_index(aa->idstr) == -1) 97 return (0); 98 99 return (2); /* beat sb */ 100 } 101 102 void 103 wss_pnpbios_attach(parent, self, aux) 104 struct device *parent, *self; 105 void *aux; 106 { 107 struct wss_softc *sc = (void *)self; 108 struct pnpbiosdev_attach_args *aa = aux; 109 struct audio_attach_args arg; 110 struct wss_pnpbios_hint *wph; 111 112 #if 0 113 static u_char interrupt_bits[12] = { 114 -1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20 115 }; 116 static u_char dma_bits[4] = {1, 2, 0, 3}; 117 #endif 118 119 wph = &wss_pnpbios_hints[wss_pnpbios_hints_index(aa->idstr)]; 120 121 if (pnpbios_io_map(aa->pbt, aa->resc, wph->io_region_idx_ad1848, 122 &sc->sc_iot, &sc->sc_ioh)) { 123 printf(": can't map i/o space\n"); 124 return; 125 } 126 if (pnpbios_io_map(aa->pbt, aa->resc, wph->io_region_idx_opl, 127 &sc->sc_iot, &sc->sc_opl_ioh)) { 128 printf(": can't map i/o space\n"); 129 return; 130 } 131 132 sc->wss_ic = aa->ic; 133 134 if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->wss_irq, NULL)) { 135 printf(": can't get IRQ\n"); 136 return; 137 } 138 139 if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->wss_playdrq)) { 140 printf(": can't get DMA channel\n"); 141 return; 142 } 143 if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->wss_recdrq)) 144 sc->wss_recdrq = -1; 145 146 sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot; 147 bus_space_subregion(sc->sc_iot, sc->sc_ioh, wph->offset_ad1848, 4, 148 &sc->sc_ad1848.sc_ad1848.sc_ioh); 149 150 printf("\n"); 151 pnpbios_print_devres(self, aa); 152 153 printf("%s", self->dv_xname); 154 155 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 156 printf("%s: ad1848 probe failed\n", self->dv_xname); 157 return; 158 } 159 160 wssattach(sc); 161 #if 0 162 /* XXX recdrq */ 163 bus_space_write_1(sc->sc_iot, sc->sc_ioh, WSS_CONFIG, 164 (interrupt_bits[sc->wss_irq] | dma_bits[sc->wss_playdrq])); 165 #endif 166 arg.type = AUDIODEV_TYPE_OPL; 167 arg.hwif = 0; 168 arg.hdl = 0; 169 (void)config_found(self, &arg, audioprint); 170 } 171 172
Indexes created Tue Sep 30 20:09:53 GMT 2025