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sb.c revision 1.72
      1 /*	$NetBSD: sb.c,v 1.72 2001/11/13 08:01:29 lukem 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 <sys/cdefs.h>
     38 __KERNEL_RCSID(0, "$NetBSD: sb.c,v 1.72 2001/11/13 08:01:29 lukem Exp $");
     39 
     40 #include "midi.h"
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/errno.h>
     45 #include <sys/ioctl.h>
     46 #include <sys/syslog.h>
     47 #include <sys/device.h>
     48 #include <sys/proc.h>
     49 
     50 #include <machine/cpu.h>
     51 #include <machine/intr.h>
     52 #include <machine/bus.h>
     53 
     54 #include <sys/audioio.h>
     55 #include <dev/audio_if.h>
     56 #include <dev/midi_if.h>
     57 
     58 #include <dev/midi_if.h>
     59 
     60 #include <dev/isa/isavar.h>
     61 #include <dev/isa/isadmavar.h>
     62 
     63 #include <dev/isa/sbreg.h>
     64 #include <dev/isa/sbvar.h>
     65 #include <dev/isa/sbdspvar.h>
     66 
     67 #if NMPU > 0
     68 struct midi_hw_if sb_midi_hw_if = {
     69 	sbdsp_midi_open,
     70 	sbdsp_midi_close,
     71 	sbdsp_midi_output,
     72 	sbdsp_midi_getinfo,
     73 	0,			/* ioctl */
     74 };
     75 #endif
     76 
     77 struct audio_device sb_device = {
     78 	"SoundBlaster",
     79 	"x",
     80 	"sb"
     81 };
     82 
     83 int	sb_getdev __P((void *, struct audio_device *));
     84 
     85 /*
     86  * Define our interface to the higher level audio driver.
     87  */
     88 
     89 struct audio_hw_if sb_hw_if = {
     90 	sbdsp_open,
     91 	sbdsp_close,
     92 	0,
     93 	sbdsp_query_encoding,
     94 	sbdsp_set_params,
     95 	sbdsp_round_blocksize,
     96 	0,
     97 	0,
     98 	0,
     99 	0,
    100 	0,
    101 	sbdsp_halt_output,
    102 	sbdsp_halt_input,
    103 	sbdsp_speaker_ctl,
    104 	sb_getdev,
    105 	0,
    106 	sbdsp_mixer_set_port,
    107 	sbdsp_mixer_get_port,
    108 	sbdsp_mixer_query_devinfo,
    109 	sb_malloc,
    110 	sb_free,
    111 	sb_round_buffersize,
    112         sb_mappage,
    113 	sbdsp_get_props,
    114 	sbdsp_trigger_output,
    115 	sbdsp_trigger_input,
    116 	0,
    117 };
    118 
    119 /*
    120  * Probe / attach routines.
    121  */
    122 
    123 
    124 int
    125 sbmatch(sc)
    126 	struct sbdsp_softc *sc;
    127 {
    128 	static u_char drq_conf[8] = {
    129 		0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
    130 	};
    131 
    132 	static u_char irq_conf[11] = {
    133 		-1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
    134 	};
    135 
    136 	if (sbdsp_probe(sc) == 0)
    137 		return 0;
    138 
    139 	/*
    140 	 * Cannot auto-discover DMA channel.
    141 	 */
    142 	if (ISSBPROCLASS(sc)) {
    143 		if (!SBP_DRQ_VALID(sc->sc_drq8)) {
    144 			printf("%s: configured dma chan %d invalid\n",
    145 			    sc->sc_dev.dv_xname, sc->sc_drq8);
    146 			return 0;
    147 		}
    148 	} else {
    149 		if (!SB_DRQ_VALID(sc->sc_drq8)) {
    150 			printf("%s: configured dma chan %d invalid\n",
    151 			    sc->sc_dev.dv_xname, sc->sc_drq8);
    152 			return 0;
    153 		}
    154 	}
    155 
    156         if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3)
    157         	/*
    158                  * XXX Some ViBRA16 cards seem to have two 8 bit DMA
    159                  * channels.  I've no clue how to use them, so ignore
    160                  * one of them for now.  -- augustss (at) netbsd.org
    161                  */
    162         	sc->sc_drq16 = -1;
    163 
    164 	if (ISSB16CLASS(sc)) {
    165 		if (sc->sc_drq16 == -1)
    166 			sc->sc_drq16 = sc->sc_drq8;
    167 		if (!SB16_DRQ_VALID(sc->sc_drq16)) {
    168 			printf("%s: configured dma chan %d invalid\n",
    169 			    sc->sc_dev.dv_xname, sc->sc_drq16);
    170 			return 0;
    171 		}
    172 	} else
    173 		sc->sc_drq16 = sc->sc_drq8;
    174 
    175 	if (ISSBPROCLASS(sc)) {
    176 		if (!SBP_IRQ_VALID(sc->sc_irq)) {
    177 			printf("%s: configured irq %d invalid\n",
    178 			    sc->sc_dev.dv_xname, sc->sc_irq);
    179 			return 0;
    180 		}
    181 	} else {
    182 		if (!SB_IRQ_VALID(sc->sc_irq)) {
    183 			printf("%s: configured irq %d invalid\n",
    184 			    sc->sc_dev.dv_xname, sc->sc_irq);
    185 			return 0;
    186 		}
    187 	}
    188 
    189 	if (ISSB16CLASS(sc) && !(sc->sc_quirks & SB_QUIRK_NO_INIT_DRQ)) {
    190 		int w, r;
    191 #if 0
    192 		printf("%s: old drq conf %02x\n", sc->sc_dev.dv_xname,
    193 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
    194 		printf("%s: try drq conf %02x\n", sc->sc_dev.dv_xname,
    195 		    drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]);
    196 #endif
    197 		w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8];
    198 		sbdsp_mix_write(sc, SBP_SET_DRQ, w);
    199 		r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb;
    200 		if (r != w) {
    201 			printf("%s: setting drq mask %02x failed, got %02x\n",
    202 			    sc->sc_dev.dv_xname, w, r);
    203 			return 0;
    204 		}
    205 #if 0
    206 		printf("%s: new drq conf %02x\n", sc->sc_dev.dv_xname,
    207 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
    208 #endif
    209 
    210 #if 0
    211 		printf("%s: old irq conf %02x\n", sc->sc_dev.dv_xname,
    212 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
    213 		printf("%s: try irq conf %02x\n", sc->sc_dev.dv_xname,
    214 		    irq_conf[sc->sc_irq]);
    215 #endif
    216 		w = irq_conf[sc->sc_irq];
    217 		sbdsp_mix_write(sc, SBP_SET_IRQ, w);
    218 		r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f;
    219 		if (r != w) {
    220 			printf("%s: setting irq mask %02x failed, got %02x\n",
    221 			    sc->sc_dev.dv_xname, w, r);
    222 			return 0;
    223 		}
    224 #if 0
    225 		printf("%s: new irq conf %02x\n", sc->sc_dev.dv_xname,
    226 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
    227 #endif
    228 	}
    229 
    230 	return 1;
    231 }
    232 
    233 
    234 void
    235 sbattach(sc)
    236 	struct sbdsp_softc *sc;
    237 {
    238 	struct audio_attach_args arg;
    239 
    240 	sbdsp_attach(sc);
    241 
    242 	audio_attach_mi(&sb_hw_if, sc, &sc->sc_dev);
    243 
    244 #if NMPU > 0
    245 	if (sc->sc_hasmpu) {
    246 		arg.type = AUDIODEV_TYPE_MPU;
    247 		arg.hwif = 0;
    248 		arg.hdl = 0;
    249 		sc->sc_mpudev = config_found(&sc->sc_dev, &arg, audioprint);
    250 	} else {
    251 		midi_attach_mi(&sb_midi_hw_if, sc, &sc->sc_dev);
    252 	}
    253 #endif
    254 
    255 	if (sc->sc_model >= SB_20) {
    256 		arg.type = AUDIODEV_TYPE_OPL;
    257 		arg.hwif = 0;
    258 		arg.hdl = 0;
    259 		(void)config_found(&sc->sc_dev, &arg, audioprint);
    260 	}
    261 }
    262 
    263 /*
    264  * Various routines to interface to higher level audio driver
    265  */
    266 
    267 int
    268 sb_getdev(addr, retp)
    269 	void *addr;
    270 	struct audio_device *retp;
    271 {
    272 	struct sbdsp_softc *sc = addr;
    273 	static char *names[] = SB_NAMES;
    274 	char *config;
    275 
    276 	if (sc->sc_model == SB_JAZZ)
    277 		strncpy(retp->name, "MV Jazz16", sizeof(retp->name));
    278 	else
    279 		strncpy(retp->name, "SoundBlaster", sizeof(retp->name));
    280 	sprintf(retp->version, "%d.%02d",
    281 		SBVER_MAJOR(sc->sc_version),
    282 		SBVER_MINOR(sc->sc_version));
    283 	if (0 <= sc->sc_model && sc->sc_model < sizeof names / sizeof names[0])
    284 		config = names[sc->sc_model];
    285 	else
    286 		config = "??";
    287 	strncpy(retp->config, config, sizeof(retp->config));
    288 
    289 	return 0;
    290 }
    291