wss_pnpbios.c revision 1.5
1 /* $NetBSD: wss_pnpbios.c,v 1.5 2000/06/12 03:43:54 soren 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 { "CSC0100", 0, 1, 0 }, /* CS4610 with CS4236 codec */ 70 { { 0 }, 0, 0, 0 } 71 }; 72 73 74 int 75 wss_pnpbios_hints_index(idstr) 76 const char *idstr; 77 { 78 int idx = 0; 79 80 while (wss_pnpbios_hints[idx].idstr[0] != 0) { 81 if (!strcmp(wss_pnpbios_hints[idx].idstr, idstr)) 82 return idx; 83 ++idx; 84 } 85 86 return -1; 87 } 88 89 int 90 wss_pnpbios_match(parent, match, aux) 91 struct device *parent; 92 struct cfdata *match; 93 void *aux; 94 { 95 struct pnpbiosdev_attach_args *aa = aux; 96 97 if (wss_pnpbios_hints_index(aa->idstr) == -1) 98 return (0); 99 100 return (2); /* beat sb */ 101 } 102 103 void 104 wss_pnpbios_attach(parent, self, aux) 105 struct device *parent, *self; 106 void *aux; 107 { 108 struct wss_softc *sc = (void *)self; 109 struct pnpbiosdev_attach_args *aa = aux; 110 struct audio_attach_args arg; 111 struct wss_pnpbios_hint *wph; 112 113 #if 0 114 static u_char interrupt_bits[12] = { 115 -1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20 116 }; 117 static u_char dma_bits[4] = {1, 2, 0, 3}; 118 #endif 119 120 wph = &wss_pnpbios_hints[wss_pnpbios_hints_index(aa->idstr)]; 121 122 if (pnpbios_io_map(aa->pbt, aa->resc, wph->io_region_idx_ad1848, 123 &sc->sc_iot, &sc->sc_ioh)) { 124 printf(": can't map i/o space\n"); 125 return; 126 } 127 if (pnpbios_io_map(aa->pbt, aa->resc, wph->io_region_idx_opl, 128 &sc->sc_iot, &sc->sc_opl_ioh)) { 129 printf(": can't map i/o space\n"); 130 return; 131 } 132 133 sc->wss_ic = aa->ic; 134 135 if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->wss_irq, NULL)) { 136 printf(": can't get IRQ\n"); 137 return; 138 } 139 140 if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->wss_playdrq)) { 141 printf(": can't get DMA channel\n"); 142 return; 143 } 144 if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->wss_recdrq)) 145 sc->wss_recdrq = -1; 146 147 sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot; 148 bus_space_subregion(sc->sc_iot, sc->sc_ioh, wph->offset_ad1848, 4, 149 &sc->sc_ad1848.sc_ad1848.sc_ioh); 150 151 printf("\n"); 152 pnpbios_print_devres(self, aa); 153 154 printf("%s", self->dv_xname); 155 156 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 157 printf("%s: ad1848 probe failed\n", self->dv_xname); 158 return; 159 } 160 161 wssattach(sc); 162 #if 0 163 /* XXX recdrq */ 164 bus_space_write_1(sc->sc_iot, sc->sc_ioh, WSS_CONFIG, 165 (interrupt_bits[sc->wss_irq] | dma_bits[sc->wss_playdrq])); 166 #endif 167 arg.type = AUDIODEV_TYPE_OPL; 168 arg.hwif = 0; 169 arg.hdl = 0; 170 (void)config_found(self, &arg, audioprint); 171 } 172 173
Indexes created Wed Oct 01 15:09:59 GMT 2025