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sb.c revision 1.71
      1 /*	$NetBSD: sb.c,v 1.71 2001/10/03 00:04:51 augustss Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1991-1993 Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the Computer Systems
     18  *	Engineering Group at Lawrence Berkeley Laboratory.
     19  * 4. Neither the name of the University nor of the Laboratory may be used
     20  *    to endorse or promote products derived from this software without
     21  *    specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  */
     36 
     37 #include "midi.h"
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/errno.h>
     42 #include <sys/ioctl.h>
     43 #include <sys/syslog.h>
     44 #include <sys/device.h>
     45 #include <sys/proc.h>
     46 
     47 #include <machine/cpu.h>
     48 #include <machine/intr.h>
     49 #include <machine/bus.h>
     50 
     51 #include <sys/audioio.h>
     52 #include <dev/audio_if.h>
     53 #include <dev/midi_if.h>
     54 
     55 #include <dev/midi_if.h>
     56 
     57 #include <dev/isa/isavar.h>
     58 #include <dev/isa/isadmavar.h>
     59 
     60 #include <dev/isa/sbreg.h>
     61 #include <dev/isa/sbvar.h>
     62 #include <dev/isa/sbdspvar.h>
     63 
     64 #if NMPU > 0
     65 struct midi_hw_if sb_midi_hw_if = {
     66 	sbdsp_midi_open,
     67 	sbdsp_midi_close,
     68 	sbdsp_midi_output,
     69 	sbdsp_midi_getinfo,
     70 	0,			/* ioctl */
     71 };
     72 #endif
     73 
     74 struct audio_device sb_device = {
     75 	"SoundBlaster",
     76 	"x",
     77 	"sb"
     78 };
     79 
     80 int	sb_getdev __P((void *, struct audio_device *));
     81 
     82 /*
     83  * Define our interface to the higher level audio driver.
     84  */
     85 
     86 struct audio_hw_if sb_hw_if = {
     87 	sbdsp_open,
     88 	sbdsp_close,
     89 	0,
     90 	sbdsp_query_encoding,
     91 	sbdsp_set_params,
     92 	sbdsp_round_blocksize,
     93 	0,
     94 	0,
     95 	0,
     96 	0,
     97 	0,
     98 	sbdsp_halt_output,
     99 	sbdsp_halt_input,
    100 	sbdsp_speaker_ctl,
    101 	sb_getdev,
    102 	0,
    103 	sbdsp_mixer_set_port,
    104 	sbdsp_mixer_get_port,
    105 	sbdsp_mixer_query_devinfo,
    106 	sb_malloc,
    107 	sb_free,
    108 	sb_round_buffersize,
    109         sb_mappage,
    110 	sbdsp_get_props,
    111 	sbdsp_trigger_output,
    112 	sbdsp_trigger_input,
    113 	0,
    114 };
    115 
    116 /*
    117  * Probe / attach routines.
    118  */
    119 
    120 
    121 int
    122 sbmatch(sc)
    123 	struct sbdsp_softc *sc;
    124 {
    125 	static u_char drq_conf[8] = {
    126 		0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
    127 	};
    128 
    129 	static u_char irq_conf[11] = {
    130 		-1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
    131 	};
    132 
    133 	if (sbdsp_probe(sc) == 0)
    134 		return 0;
    135 
    136 	/*
    137 	 * Cannot auto-discover DMA channel.
    138 	 */
    139 	if (ISSBPROCLASS(sc)) {
    140 		if (!SBP_DRQ_VALID(sc->sc_drq8)) {
    141 			printf("%s: configured dma chan %d invalid\n",
    142 			    sc->sc_dev.dv_xname, sc->sc_drq8);
    143 			return 0;
    144 		}
    145 	} else {
    146 		if (!SB_DRQ_VALID(sc->sc_drq8)) {
    147 			printf("%s: configured dma chan %d invalid\n",
    148 			    sc->sc_dev.dv_xname, sc->sc_drq8);
    149 			return 0;
    150 		}
    151 	}
    152 
    153         if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3)
    154         	/*
    155                  * XXX Some ViBRA16 cards seem to have two 8 bit DMA
    156                  * channels.  I've no clue how to use them, so ignore
    157                  * one of them for now.  -- augustss (at) netbsd.org
    158                  */
    159         	sc->sc_drq16 = -1;
    160 
    161 	if (ISSB16CLASS(sc)) {
    162 		if (sc->sc_drq16 == -1)
    163 			sc->sc_drq16 = sc->sc_drq8;
    164 		if (!SB16_DRQ_VALID(sc->sc_drq16)) {
    165 			printf("%s: configured dma chan %d invalid\n",
    166 			    sc->sc_dev.dv_xname, sc->sc_drq16);
    167 			return 0;
    168 		}
    169 	} else
    170 		sc->sc_drq16 = sc->sc_drq8;
    171 
    172 	if (ISSBPROCLASS(sc)) {
    173 		if (!SBP_IRQ_VALID(sc->sc_irq)) {
    174 			printf("%s: configured irq %d invalid\n",
    175 			    sc->sc_dev.dv_xname, sc->sc_irq);
    176 			return 0;
    177 		}
    178 	} else {
    179 		if (!SB_IRQ_VALID(sc->sc_irq)) {
    180 			printf("%s: configured irq %d invalid\n",
    181 			    sc->sc_dev.dv_xname, sc->sc_irq);
    182 			return 0;
    183 		}
    184 	}
    185 
    186 	if (ISSB16CLASS(sc) && !(sc->sc_quirks & SB_QUIRK_NO_INIT_DRQ)) {
    187 		int w, r;
    188 #if 0
    189 		printf("%s: old drq conf %02x\n", sc->sc_dev.dv_xname,
    190 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
    191 		printf("%s: try drq conf %02x\n", sc->sc_dev.dv_xname,
    192 		    drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]);
    193 #endif
    194 		w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8];
    195 		sbdsp_mix_write(sc, SBP_SET_DRQ, w);
    196 		r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb;
    197 		if (r != w) {
    198 			printf("%s: setting drq mask %02x failed, got %02x\n",
    199 			    sc->sc_dev.dv_xname, w, r);
    200 			return 0;
    201 		}
    202 #if 0
    203 		printf("%s: new drq conf %02x\n", sc->sc_dev.dv_xname,
    204 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
    205 #endif
    206 
    207 #if 0
    208 		printf("%s: old irq conf %02x\n", sc->sc_dev.dv_xname,
    209 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
    210 		printf("%s: try irq conf %02x\n", sc->sc_dev.dv_xname,
    211 		    irq_conf[sc->sc_irq]);
    212 #endif
    213 		w = irq_conf[sc->sc_irq];
    214 		sbdsp_mix_write(sc, SBP_SET_IRQ, w);
    215 		r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f;
    216 		if (r != w) {
    217 			printf("%s: setting irq mask %02x failed, got %02x\n",
    218 			    sc->sc_dev.dv_xname, w, r);
    219 			return 0;
    220 		}
    221 #if 0
    222 		printf("%s: new irq conf %02x\n", sc->sc_dev.dv_xname,
    223 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
    224 #endif
    225 	}
    226 
    227 	return 1;
    228 }
    229 
    230 
    231 void
    232 sbattach(sc)
    233 	struct sbdsp_softc *sc;
    234 {
    235 	struct audio_attach_args arg;
    236 
    237 	sbdsp_attach(sc);
    238 
    239 	audio_attach_mi(&sb_hw_if, sc, &sc->sc_dev);
    240 
    241 #if NMPU > 0
    242 	if (sc->sc_hasmpu) {
    243 		arg.type = AUDIODEV_TYPE_MPU;
    244 		arg.hwif = 0;
    245 		arg.hdl = 0;
    246 		sc->sc_mpudev = config_found(&sc->sc_dev, &arg, audioprint);
    247 	} else {
    248 		midi_attach_mi(&sb_midi_hw_if, sc, &sc->sc_dev);
    249 	}
    250 #endif
    251 
    252 	if (sc->sc_model >= SB_20) {
    253 		arg.type = AUDIODEV_TYPE_OPL;
    254 		arg.hwif = 0;
    255 		arg.hdl = 0;
    256 		(void)config_found(&sc->sc_dev, &arg, audioprint);
    257 	}
    258 }
    259 
    260 /*
    261  * Various routines to interface to higher level audio driver
    262  */
    263 
    264 int
    265 sb_getdev(addr, retp)
    266 	void *addr;
    267 	struct audio_device *retp;
    268 {
    269 	struct sbdsp_softc *sc = addr;
    270 	static char *names[] = SB_NAMES;
    271 	char *config;
    272 
    273 	if (sc->sc_model == SB_JAZZ)
    274 		strncpy(retp->name, "MV Jazz16", sizeof(retp->name));
    275 	else
    276 		strncpy(retp->name, "SoundBlaster", sizeof(retp->name));
    277 	sprintf(retp->version, "%d.%02d",
    278 		SBVER_MAJOR(sc->sc_version),
    279 		SBVER_MINOR(sc->sc_version));
    280 	if (0 <= sc->sc_model && sc->sc_model < sizeof names / sizeof names[0])
    281 		config = names[sc->sc_model];
    282 	else
    283 		config = "??";
    284 	strncpy(retp->config, config, sizeof(retp->config));
    285 
    286 	return 0;
    287 }
    288