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sb.c revision 1.68 
      1 /*	$NetBSD: sb.c,v 1.68 1999/08/02 17:37:42 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 NMIDI > 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 };
    114 
    115 /*
    116  * Probe / attach routines.
    117  */
    118 
    119 
    120 int
    121 sbmatch(sc)
    122 	struct sbdsp_softc *sc;
    123 {
    124 	static u_char drq_conf[8] = {
    125 		0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
    126 	};
    127 
    128 	static u_char irq_conf[11] = {
    129 		-1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
    130 	};
    131 
    132 	if (sbdsp_probe(sc) == 0)
    133 		return 0;
    134 
    135 	/*
    136 	 * Cannot auto-discover DMA channel.
    137 	 */
    138 	if (ISSBPROCLASS(sc)) {
    139 		if (!SBP_DRQ_VALID(sc->sc_drq8)) {
    140 			printf("%s: configured dma chan %d invalid\n",
    141 			    sc->sc_dev.dv_xname, sc->sc_drq8);
    142 			return 0;
    143 		}
    144 	} else {
    145 		if (!SB_DRQ_VALID(sc->sc_drq8)) {
    146 			printf("%s: configured dma chan %d invalid\n",
    147 			    sc->sc_dev.dv_xname, sc->sc_drq8);
    148 			return 0;
    149 		}
    150 	}
    151 
    152         if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3)
    153         	/*
    154                  * XXX Some ViBRA16 cards seem to have two 8 bit DMA
    155                  * channels.  I've no clue how to use them, so ignore
    156                  * one of them for now.  -- augustss (at) netbsd.org
    157                  */
    158         	sc->sc_drq16 = -1;
    159 
    160 	if (ISSB16CLASS(sc)) {
    161 		if (sc->sc_drq16 == -1)
    162 			sc->sc_drq16 = sc->sc_drq8;
    163 		if (!SB16_DRQ_VALID(sc->sc_drq16)) {
    164 			printf("%s: configured dma chan %d invalid\n",
    165 			    sc->sc_dev.dv_xname, sc->sc_drq16);
    166 			return 0;
    167 		}
    168 	} else
    169 		sc->sc_drq16 = sc->sc_drq8;
    170 
    171 	if (ISSBPROCLASS(sc)) {
    172 		if (!SBP_IRQ_VALID(sc->sc_irq)) {
    173 			printf("%s: configured irq %d invalid\n",
    174 			    sc->sc_dev.dv_xname, sc->sc_irq);
    175 			return 0;
    176 		}
    177 	} else {
    178 		if (!SB_IRQ_VALID(sc->sc_irq)) {
    179 			printf("%s: configured irq %d invalid\n",
    180 			    sc->sc_dev.dv_xname, sc->sc_irq);
    181 			return 0;
    182 		}
    183 	}
    184 
    185 	if (ISSB16CLASS(sc)) {
    186 		int w, r;
    187 #if 0
    188 		printf("%s: old drq conf %02x\n", sc->sc_dev.dv_xname,
    189 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
    190 		printf("%s: try drq conf %02x\n", sc->sc_dev.dv_xname,
    191 		    drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]);
    192 #endif
    193 		w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8];
    194 		sbdsp_mix_write(sc, SBP_SET_DRQ, w);
    195 		r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb;
    196 		if (r != w) {
    197 			printf("%s: setting drq mask %02x failed, got %02x\n",
    198 			    sc->sc_dev.dv_xname, w, r);
    199 			return 0;
    200 		}
    201 #if 0
    202 		printf("%s: new drq conf %02x\n", sc->sc_dev.dv_xname,
    203 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
    204 #endif
    205 
    206 #if 0
    207 		printf("%s: old irq conf %02x\n", sc->sc_dev.dv_xname,
    208 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
    209 		printf("%s: try irq conf %02x\n", sc->sc_dev.dv_xname,
    210 		    irq_conf[sc->sc_irq]);
    211 #endif
    212 		w = irq_conf[sc->sc_irq];
    213 		sbdsp_mix_write(sc, SBP_SET_IRQ, w);
    214 		r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f;
    215 		if (r != w) {
    216 			printf("%s: setting irq mask %02x failed, got %02x\n",
    217 			    sc->sc_dev.dv_xname, w, r);
    218 			return 0;
    219 		}
    220 #if 0
    221 		printf("%s: new irq conf %02x\n", sc->sc_dev.dv_xname,
    222 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
    223 #endif
    224 	}
    225 
    226 	return 1;
    227 }
    228 
    229 
    230 void
    231 sbattach(sc)
    232 	struct sbdsp_softc *sc;
    233 {
    234 	struct audio_attach_args arg;
    235 
    236 	sbdsp_attach(sc);
    237 
    238 	audio_attach_mi(&sb_hw_if, sc, &sc->sc_dev);
    239 
    240 #if NMIDI > 0
    241 	if (sc->sc_hasmpu) {
    242 		arg.type = AUDIODEV_TYPE_MPU;
    243 		arg.hwif = 0;
    244 		arg.hdl = 0;
    245 		sc->sc_mpudev = config_found(&sc->sc_dev, &arg, audioprint);
    246 	} else {
    247 		midi_attach_mi(&sb_midi_hw_if, sc, &sc->sc_dev);
    248 	}
    249 #endif
    250 
    251 	if (sc->sc_model >= SB_20) {
    252 		arg.type = AUDIODEV_TYPE_OPL;
    253 		arg.hwif = 0;
    254 		arg.hdl = 0;
    255 		(void)config_found(&sc->sc_dev, &arg, audioprint);
    256 	}
    257 }
    258 
    259 /*
    260  * Various routines to interface to higher level audio driver
    261  */
    262 
    263 int
    264 sb_getdev(addr, retp)
    265 	void *addr;
    266 	struct audio_device *retp;
    267 {
    268 	struct sbdsp_softc *sc = addr;
    269 	static char *names[] = SB_NAMES;
    270 	char *config;
    271 
    272 	if (sc->sc_model == SB_JAZZ)
    273 		strncpy(retp->name, "MV Jazz16", sizeof(retp->name));
    274 	else
    275 		strncpy(retp->name, "SoundBlaster", sizeof(retp->name));
    276 	sprintf(retp->version, "%d.%02d",
    277 		SBVER_MAJOR(sc->sc_version),
    278 		SBVER_MINOR(sc->sc_version));
    279 	if (0 <= sc->sc_model && sc->sc_model < sizeof names / sizeof names[0])
    280 		config = names[sc->sc_model];
    281 	else
    282 		config = "??";
    283 	strncpy(retp->config, config, sizeof(retp->config));
    284 
    285 	return 0;
    286 }
    287