1 /* $NetBSD: wss_pnpbios.c,v 1.11 2002/10/03 03:02:11 uwe 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 1.11 2002/10/03 03:02:11 uwe 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 CFATTACH_DECL(wss_pnpbios, sizeof(struct wss_softc), 59 wss_pnpbios_match, wss_pnpbios_attach, NULL, NULL); 60 61 struct wss_pnpbios_hint { 62 char idstr[8]; 63 int io_region_idx_ad1848; /* which region index is the DAC? */ 64 int io_region_idx_opl; /* which region index is the OPL? */ 65 int offset_ad1848; /* offset from start of DAC region */ 66 }; 67 68 struct wss_pnpbios_hint wss_pnpbios_hints[] = { 69 { "NMX2210", 1, 2, WSS_CODEC }, 70 { "CSC0000", 0, 1, 0 }, /* Dell Latitude CPi */ 71 { "CSC0100", 0, 1, 0 }, /* CS4610 with CS4236 codec */ 72 { { 0 }, 0, 0, 0 } 73 }; 74 75 76 int 77 wss_pnpbios_hints_index(idstr) 78 const char *idstr; 79 { 80 int idx = 0; 81 82 while (wss_pnpbios_hints[idx].idstr[0] != 0) { 83 if (!strcmp(wss_pnpbios_hints[idx].idstr, idstr)) 84 return idx; 85 ++idx; 86 } 87 88 return -1; 89 } 90 91 int 92 wss_pnpbios_match(parent, match, aux) 93 struct device *parent; 94 struct cfdata *match; 95 void *aux; 96 { 97 struct pnpbiosdev_attach_args *aa = aux; 98 99 if (wss_pnpbios_hints_index(aa->idstr) == -1) 100 return (0); 101 102 return (2); /* beat sb */ 103 } 104 105 void 106 wss_pnpbios_attach(parent, self, aux) 107 struct device *parent, *self; 108 void *aux; 109 { 110 struct wss_softc *sc = (void *)self; 111 struct pnpbiosdev_attach_args *aa = aux; 112 struct audio_attach_args arg; 113 struct wss_pnpbios_hint *wph; 114 115 #if 0 116 static u_char interrupt_bits[12] = { 117 -1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20 118 }; 119 static u_char dma_bits[4] = {1, 2, 0, 3}; 120 #endif 121 122 wph = &wss_pnpbios_hints[wss_pnpbios_hints_index(aa->idstr)]; 123 124 if (pnpbios_io_map(aa->pbt, aa->resc, wph->io_region_idx_ad1848, 125 &sc->sc_iot, &sc->sc_ioh)) { 126 printf(": can't map i/o space\n"); 127 return; 128 } 129 if (pnpbios_io_map(aa->pbt, aa->resc, wph->io_region_idx_opl, 130 &sc->sc_iot, &sc->sc_opl_ioh)) { 131 printf(": can't map i/o space\n"); 132 return; 133 } 134 135 sc->wss_ic = aa->ic; 136 137 if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->wss_irq, NULL)) { 138 printf(": can't get IRQ\n"); 139 return; 140 } 141 142 if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->wss_playdrq)) { 143 printf(": can't get DMA channel\n"); 144 return; 145 } 146 if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->wss_recdrq)) { 147 printf(": can't get recording DMA channel"); 148 sc->wss_recdrq = sc->wss_playdrq; 149 } 150 151 sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot; 152 bus_space_subregion(sc->sc_iot, sc->sc_ioh, wph->offset_ad1848, 4, 153 &sc->sc_ad1848.sc_ad1848.sc_ioh); 154 155 printf("\n"); 156 pnpbios_print_devres(self, aa); 157 158 printf("%s", self->dv_xname); 159 160 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 161 printf("%s: ad1848 probe failed\n", self->dv_xname); 162 return; 163 } 164 165 wssattach(sc); 166 #if 0 167 /* XXX recdrq */ 168 bus_space_write_1(sc->sc_iot, sc->sc_ioh, WSS_CONFIG, 169 (interrupt_bits[sc->wss_irq] | dma_bits[sc->wss_playdrq])); 170 #endif 171 arg.type = AUDIODEV_TYPE_OPL; 172 arg.hwif = 0; 173 arg.hdl = 0; 174 (void)config_found(self, &arg, audioprint); 175 } 176 177