1 /* $NetBSD: wss_pnpbios.c,v 1.16 2008/04/04 22:18:05 cegger 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 1.16 2008/04/04 22:18:05 cegger 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(struct device *, struct cfdata *, void *); 54 void wss_pnpbios_attach(struct device *, struct device *, void *); 55 int wss_pnpbios_hints_index(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(struct device *parent, 93 struct cfdata *match, 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(struct device *parent, struct device *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 printf(": can't get recording DMA channel"); 145 sc->wss_recdrq = sc->wss_playdrq; 146 } 147 148 sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot; 149 bus_space_subregion(sc->sc_iot, sc->sc_ioh, wph->offset_ad1848, 4, 150 &sc->sc_ad1848.sc_ad1848.sc_ioh); 151 152 printf("\n"); 153 pnpbios_print_devres(self, aa); 154 155 printf("%s", device_xname(self)); 156 157 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 158 aprint_error_dev(self, "ad1848 probe failed\n"); 159 return; 160 } 161 162 wssattach(sc); 163 #if 0 164 /* XXX recdrq */ 165 bus_space_write_1(sc->sc_iot, sc->sc_ioh, WSS_CONFIG, 166 (interrupt_bits[sc->wss_irq] | dma_bits[sc->wss_playdrq])); 167 #endif 168 arg.type = AUDIODEV_TYPE_OPL; 169 arg.hwif = 0; 170 arg.hdl = 0; 171 (void)config_found(self, &arg, audioprint); 172 } 173 174