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sb.c revision 1.80
      1 /*	$NetBSD: sb.c,v 1.80 2005/01/13 15:01:28 kent 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 1.80 2005/01/13 15:01:28 kent 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 const 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 int	sb_getdev(void *, struct audio_device *);
     78 
     79 /*
     80  * Define our interface to the higher level audio driver.
     81  */
     82 
     83 const struct audio_hw_if sb_hw_if = {
     84 	sbdsp_open,
     85 	sbdsp_close,
     86 	0,
     87 	sbdsp_query_encoding,
     88 	sbdsp_set_params,
     89 	sbdsp_round_blocksize,
     90 	0,
     91 	0,
     92 	0,
     93 	0,
     94 	0,
     95 	sbdsp_halt_output,
     96 	sbdsp_halt_input,
     97 	sbdsp_speaker_ctl,
     98 	sb_getdev,
     99 	0,
    100 	sbdsp_mixer_set_port,
    101 	sbdsp_mixer_get_port,
    102 	sbdsp_mixer_query_devinfo,
    103 	sb_malloc,
    104 	sb_free,
    105 	sb_round_buffersize,
    106 	sb_mappage,
    107 	sbdsp_get_props,
    108 	sbdsp_trigger_output,
    109 	sbdsp_trigger_input,
    110 	0,
    111 };
    112 
    113 /*
    114  * Probe / attach routines.
    115  */
    116 
    117 
    118 int
    119 sbmatch(struct sbdsp_softc *sc)
    120 {
    121 	static const u_char drq_conf[8] = {
    122 		0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
    123 	};
    124 
    125 	static const u_char irq_conf[11] = {
    126 		-1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
    127 	};
    128 
    129 	if (sbdsp_probe(sc) == 0)
    130 		return 0;
    131 
    132 	/*
    133 	 * Cannot auto-discover DMA channel.
    134 	 */
    135 	if (ISSBPROCLASS(sc)) {
    136 		if (!SBP_DRQ_VALID(sc->sc_drq8)) {
    137 			printf("%s: configured DMA chan %d invalid\n",
    138 			    sc->sc_dev.dv_xname, sc->sc_drq8);
    139 			return 0;
    140 		}
    141 	} else {
    142 		if (!SB_DRQ_VALID(sc->sc_drq8)) {
    143 			printf("%s: configured DMA chan %d invalid\n",
    144 			    sc->sc_dev.dv_xname, sc->sc_drq8);
    145 			return 0;
    146 		}
    147 	}
    148 
    149 	if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3)
    150 		/*
    151                  * XXX Some ViBRA16 cards seem to have two 8 bit DMA
    152                  * channels.  I've no clue how to use them, so ignore
    153                  * one of them for now.  -- augustss (at) NetBSD.org
    154                  */
    155 		sc->sc_drq16 = -1;
    156 
    157 	if (ISSB16CLASS(sc)) {
    158 		if (sc->sc_drq16 == -1)
    159 			sc->sc_drq16 = sc->sc_drq8;
    160 		if (!SB16_DRQ_VALID(sc->sc_drq16)) {
    161 			printf("%s: configured DMA chan %d invalid\n",
    162 			    sc->sc_dev.dv_xname, sc->sc_drq16);
    163 			return 0;
    164 		}
    165 	} else
    166 		sc->sc_drq16 = sc->sc_drq8;
    167 
    168 	if (ISSBPROCLASS(sc)) {
    169 		if (!SBP_IRQ_VALID(sc->sc_irq)) {
    170 			printf("%s: configured irq %d invalid\n",
    171 			    sc->sc_dev.dv_xname, sc->sc_irq);
    172 			return 0;
    173 		}
    174 	} else {
    175 		if (!SB_IRQ_VALID(sc->sc_irq)) {
    176 			printf("%s: configured irq %d invalid\n",
    177 			    sc->sc_dev.dv_xname, sc->sc_irq);
    178 			return 0;
    179 		}
    180 	}
    181 
    182 	if (ISSB16CLASS(sc) && !(sc->sc_quirks & SB_QUIRK_NO_INIT_DRQ)) {
    183 		int w, r;
    184 #if 0
    185 		printf("%s: old drq conf %02x\n", sc->sc_dev.dv_xname,
    186 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
    187 		printf("%s: try drq conf %02x\n", sc->sc_dev.dv_xname,
    188 		    drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]);
    189 #endif
    190 		w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8];
    191 		sbdsp_mix_write(sc, SBP_SET_DRQ, w);
    192 		r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb;
    193 		if (r != w) {
    194 			printf("%s: setting drq mask %02x failed, got %02x\n",
    195 			    sc->sc_dev.dv_xname, w, r);
    196 			return 0;
    197 		}
    198 #if 0
    199 		printf("%s: new drq conf %02x\n", sc->sc_dev.dv_xname,
    200 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
    201 #endif
    202 
    203 #if 0
    204 		printf("%s: old irq conf %02x\n", sc->sc_dev.dv_xname,
    205 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
    206 		printf("%s: try irq conf %02x\n", sc->sc_dev.dv_xname,
    207 		    irq_conf[sc->sc_irq]);
    208 #endif
    209 		w = irq_conf[sc->sc_irq];
    210 		sbdsp_mix_write(sc, SBP_SET_IRQ, w);
    211 		r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f;
    212 		if (r != w) {
    213 			printf("%s: setting irq mask %02x failed, got %02x\n",
    214 			    sc->sc_dev.dv_xname, w, r);
    215 			return 0;
    216 		}
    217 #if 0
    218 		printf("%s: new irq conf %02x\n", sc->sc_dev.dv_xname,
    219 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
    220 #endif
    221 	}
    222 
    223 	return 1;
    224 }
    225 
    226 
    227 void
    228 sbattach(struct sbdsp_softc *sc)
    229 {
    230 	struct audio_attach_args arg;
    231 
    232 	sbdsp_attach(sc);
    233 
    234 	audio_attach_mi(&sb_hw_if, sc, &sc->sc_dev);
    235 
    236 #if NMPU > 0
    237 	if (sc->sc_hasmpu) {
    238 		arg.type = AUDIODEV_TYPE_MPU;
    239 		arg.hwif = 0;
    240 		arg.hdl = 0;
    241 		sc->sc_mpudev = config_found(&sc->sc_dev, &arg, audioprint);
    242 	} else {
    243 		midi_attach_mi(&sb_midi_hw_if, sc, &sc->sc_dev);
    244 	}
    245 #endif
    246 
    247 	if (sc->sc_model >= SB_20) {
    248 		arg.type = AUDIODEV_TYPE_OPL;
    249 		arg.hwif = 0;
    250 		arg.hdl = 0;
    251 		(void)config_found(&sc->sc_dev, &arg, audioprint);
    252 	}
    253 }
    254 
    255 /*
    256  * Various routines to interface to higher level audio driver
    257  */
    258 
    259 int
    260 sb_getdev(void *addr, struct audio_device *retp)
    261 {
    262 	static const char * const names[] = SB_NAMES;
    263 	struct sbdsp_softc *sc;
    264 	const char *config;
    265 
    266 	sc = addr;
    267 	if (sc->sc_model == SB_JAZZ)
    268 		strlcpy(retp->name, "MV Jazz16", sizeof(retp->name));
    269 	else
    270 		strlcpy(retp->name, "SoundBlaster", sizeof(retp->name));
    271 	snprintf(retp->version, sizeof(retp->version), "%d.%02d",
    272 	    SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version));
    273 	if (0 <= sc->sc_model && sc->sc_model < sizeof names / sizeof names[0])
    274 		config = names[sc->sc_model];
    275 	else
    276 		config = "??";
    277 	strlcpy(retp->config, config, sizeof(retp->config));
    278 
    279 	return 0;
    280 }
    281