wss_pnpbios.c revision 1.6
1 /* $NetBSD: wss_pnpbios.c,v 1.6 2001/11/15 07:03:35 lukem 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/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: wss_pnpbios.c,v 1.6 2001/11/15 07:03:35 lukem Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/errno.h> 34 #include <sys/ioctl.h> 35 #include <sys/syslog.h> 36 #include <sys/device.h> 37 #include <sys/proc.h> 38 39 #include <machine/bus.h> 40 41 #include <sys/audioio.h> 42 #include <dev/audio_if.h> 43 44 #include <dev/isa/isavar.h> 45 #include <dev/isa/isadmavar.h> 46 47 #include <i386/pnpbios/pnpbiosvar.h> 48 49 #include <dev/isa/ad1848var.h> 50 #include <dev/isa/wssreg.h> 51 #include <dev/isa/wssvar.h> 52 53 int wss_pnpbios_match __P((struct device *, struct cfdata *, void *)); 54 void wss_pnpbios_attach __P((struct device *, struct device *, void *)); 55 int wss_pnpbios_hints_index __P((const char *)); 56 57 58 struct cfattach wss_pnpbios_ca = { 59 sizeof(struct wss_softc), wss_pnpbios_match, wss_pnpbios_attach 60 }; 61 62 struct wss_pnpbios_hint { 63 char idstr[8]; 64 int io_region_idx_ad1848; /* which region index is the DAC? */ 65 int io_region_idx_opl; /* which region index is the OPL? */ 66 int offset_ad1848; /* offset from start of DAC region */ 67 }; 68 69 struct wss_pnpbios_hint wss_pnpbios_hints[] = { 70 { "NMX2210", 1, 2, WSS_CODEC }, 71 { "CSC0000", 0, 1, 0 }, /* Dell Latitude CPi */ 72 { "CSC0100", 0, 1, 0 }, /* CS4610 with CS4236 codec */ 73 { { 0 }, 0, 0, 0 } 74 }; 75 76 77 int 78 wss_pnpbios_hints_index(idstr) 79 const char *idstr; 80 { 81 int idx = 0; 82 83 while (wss_pnpbios_hints[idx].idstr[0] != 0) { 84 if (!strcmp(wss_pnpbios_hints[idx].idstr, idstr)) 85 return idx; 86 ++idx; 87 } 88 89 return -1; 90 } 91 92 int 93 wss_pnpbios_match(parent, match, aux) 94 struct device *parent; 95 struct cfdata *match; 96 void *aux; 97 { 98 struct pnpbiosdev_attach_args *aa = aux; 99 100 if (wss_pnpbios_hints_index(aa->idstr) == -1) 101 return (0); 102 103 return (2); /* beat sb */ 104 } 105 106 void 107 wss_pnpbios_attach(parent, self, aux) 108 struct device *parent, *self; 109 void *aux; 110 { 111 struct wss_softc *sc = (void *)self; 112 struct pnpbiosdev_attach_args *aa = aux; 113 struct audio_attach_args arg; 114 struct wss_pnpbios_hint *wph; 115 116 #if 0 117 static u_char interrupt_bits[12] = { 118 -1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20 119 }; 120 static u_char dma_bits[4] = {1, 2, 0, 3}; 121 #endif 122 123 wph = &wss_pnpbios_hints[wss_pnpbios_hints_index(aa->idstr)]; 124 125 if (pnpbios_io_map(aa->pbt, aa->resc, wph->io_region_idx_ad1848, 126 &sc->sc_iot, &sc->sc_ioh)) { 127 printf(": can't map i/o space\n"); 128 return; 129 } 130 if (pnpbios_io_map(aa->pbt, aa->resc, wph->io_region_idx_opl, 131 &sc->sc_iot, &sc->sc_opl_ioh)) { 132 printf(": can't map i/o space\n"); 133 return; 134 } 135 136 sc->wss_ic = aa->ic; 137 138 if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->wss_irq, NULL)) { 139 printf(": can't get IRQ\n"); 140 return; 141 } 142 143 if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->wss_playdrq)) { 144 printf(": can't get DMA channel\n"); 145 return; 146 } 147 if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->wss_recdrq)) 148 sc->wss_recdrq = -1; 149 150 sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot; 151 bus_space_subregion(sc->sc_iot, sc->sc_ioh, wph->offset_ad1848, 4, 152 &sc->sc_ad1848.sc_ad1848.sc_ioh); 153 154 printf("\n"); 155 pnpbios_print_devres(self, aa); 156 157 printf("%s", self->dv_xname); 158 159 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 160 printf("%s: ad1848 probe failed\n", self->dv_xname); 161 return; 162 } 163 164 wssattach(sc); 165 #if 0 166 /* XXX recdrq */ 167 bus_space_write_1(sc->sc_iot, sc->sc_ioh, WSS_CONFIG, 168 (interrupt_bits[sc->wss_irq] | dma_bits[sc->wss_playdrq])); 169 #endif 170 arg.type = AUDIODEV_TYPE_OPL; 171 arg.hwif = 0; 172 arg.hdl = 0; 173 (void)config_found(self, &arg, audioprint); 174 } 175 176
Indexes created Wed Oct 01 15:09:59 GMT 2025