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      1 /*	$NetBSD: sb.c,v 1.93 2021/08/07 16:19:12 thorpej 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 1.93 2021/08/07 16:19:12 thorpej 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 <sys/cpu.h>
     51 #include <sys/intr.h>
     52 #include <sys/bus.h>
     53 
     54 #include <sys/audioio.h>
     55 #include <dev/audio/audio_if.h>
     56 #include <dev/midi_if.h>
     57 
     58 #include <dev/isa/isavar.h>
     59 #include <dev/isa/isadmavar.h>
     60 
     61 #include <dev/isa/sbreg.h>
     62 #include <dev/isa/sbvar.h>
     63 #include <dev/isa/sbdspvar.h>
     64 
     65 #if NMPU > 0
     66 const struct midi_hw_if sb_midi_hw_if = {
     67 	sbdsp_midi_open,
     68 	sbdsp_midi_close,
     69 	sbdsp_midi_output,
     70 	sbdsp_midi_getinfo,
     71 	0,			/* ioctl */
     72 	sbdsp_get_locks,
     73 };
     74 #endif
     75 
     76 int	sb_getdev(void *, struct audio_device *);
     77 
     78 /*
     79  * Define our interface to the higher level audio driver.
     80  */
     81 
     82 const struct audio_hw_if sb_hw_if = {
     83 	.open			= sbdsp_open,
     84 	.close			= sbdsp_close,
     85 	.query_format		= sbdsp_query_format,
     86 	.set_format		= sbdsp_set_format,
     87 	.round_blocksize	= sbdsp_round_blocksize,
     88 	.halt_output		= sbdsp_halt_output,
     89 	.halt_input		= sbdsp_halt_input,
     90 	.speaker_ctl		= sbdsp_speaker_ctl,
     91 	.getdev			= sb_getdev,
     92 	.set_port		= sbdsp_mixer_set_port,
     93 	.get_port		= sbdsp_mixer_get_port,
     94 	.query_devinfo		= sbdsp_mixer_query_devinfo,
     95 	.allocm			= sb_malloc,
     96 	.freem			= sb_free,
     97 	.round_buffersize	= sb_round_buffersize,
     98 	.get_props		= sbdsp_get_props,
     99 	.trigger_output		= sbdsp_trigger_output,
    100 	.trigger_input		= sbdsp_trigger_input,
    101 	.get_locks		= sbdsp_get_locks,
    102 };
    103 
    104 /*
    105  * Probe / attach routines.
    106  */
    107 
    108 
    109 int
    110 sbmatch(struct sbdsp_softc *sc, int probing, cfdata_t match)
    111 {
    112 	static const u_char drq_conf[8] = {
    113 		0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
    114 	};
    115 
    116 	static const u_char irq_conf[11] = {
    117 		-1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
    118 	};
    119 
    120 	if (sbdsp_probe(sc, match) == 0)
    121 		return 0;
    122 
    123 	/*
    124 	 * Cannot auto-discover DMA channel.
    125 	 */
    126 	if (ISSBPROCLASS(sc)) {
    127 		if (!SBP_DRQ_VALID(sc->sc_drq8)) {
    128 			aprint_error("%s: configured DMA chan %d invalid\n",
    129 			    probing ? "sbmatch" : device_xname(sc->sc_dev),
    130 			    sc->sc_drq8);
    131 			return 0;
    132 		}
    133 	} else {
    134 		if (!SB_DRQ_VALID(sc->sc_drq8)) {
    135 			aprint_error("%s: configured DMA chan %d invalid\n",
    136 			    probing ? "sbmatch" : device_xname(sc->sc_dev),
    137 			    sc->sc_drq8);
    138 			return 0;
    139 		}
    140 	}
    141 
    142 	if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3)
    143 		/*
    144                  * XXX Some ViBRA16 cards seem to have two 8 bit DMA
    145                  * channels.  I've no clue how to use them, so ignore
    146                  * one of them for now.  -- augustss (at) NetBSD.org
    147                  */
    148 		sc->sc_drq16 = -1;
    149 
    150 	if (ISSB16CLASS(sc)) {
    151 		if (sc->sc_drq16 == -1)
    152 			sc->sc_drq16 = sc->sc_drq8;
    153 		if (!SB16_DRQ_VALID(sc->sc_drq16)) {
    154 			aprint_error("%s: configured DMA chan %d invalid\n",
    155 			    probing ? "sbmatch" : device_xname(sc->sc_dev),
    156 			    sc->sc_drq16);
    157 			return 0;
    158 		}
    159 	} else
    160 		sc->sc_drq16 = sc->sc_drq8;
    161 
    162 	if (ISSBPROCLASS(sc)) {
    163 		if (!SBP_IRQ_VALID(sc->sc_irq)) {
    164 			aprint_error("%s: configured irq %d invalid\n",
    165 			    probing ? "sbmatch" : device_xname(sc->sc_dev),
    166 			    sc->sc_irq);
    167 			return 0;
    168 		}
    169 	} else {
    170 		if (!SB_IRQ_VALID(sc->sc_irq)) {
    171 			aprint_error("%s: configured irq %d invalid\n",
    172 			    probing ? "sbmatch" : device_xname(sc->sc_dev),
    173 			    sc->sc_irq);
    174 			return 0;
    175 		}
    176 	}
    177 
    178 	if (ISSB16CLASS(sc) && !(sc->sc_quirks & SB_QUIRK_NO_INIT_DRQ)) {
    179 		int w, r;
    180 		if (sc->sc_irq >= __arraycount(irq_conf)) {
    181 			aprint_error("%s: Cannot handle irq %d\n",
    182 			    probing ? "sbmatch" : device_xname(sc->sc_dev),
    183 			    sc->sc_irq);
    184 			return 0;
    185 		}
    186 		if (sc->sc_drq16 >= __arraycount(drq_conf)) {
    187 			aprint_error("%s: Cannot handle drq16 %d\n",
    188 			    probing ? "sbmatch" : device_xname(sc->sc_dev),
    189 			    sc->sc_drq16);
    190 			return 0;
    191 		}
    192 		if (sc->sc_drq8 >= __arraycount(drq_conf)) {
    193 			aprint_error("%s: Cannot handle drq8 %d\n",
    194 			    probing ? "sbmatch" : device_xname(sc->sc_dev),
    195 			    sc->sc_drq8);
    196 			return 0;
    197 		}
    198 #if 0
    199 		printf("%s: old drq conf %02x\n", device_xname(sc->sc_dev),
    200 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
    201 		printf("%s: try drq conf %02x\n", device_xname(sc->sc_dev),
    202 		    drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]);
    203 #endif
    204 		w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8];
    205 		sbdsp_mix_write(sc, SBP_SET_DRQ, w);
    206 		r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb;
    207 		if (r != w) {
    208 			aprint_error("%s: setting drq mask %02x failed, "
    209 			    "got %02x\n",
    210 			    probing ? "sbmatch" : device_xname(sc->sc_dev), w,
    211 			    r);
    212 			return 0;
    213 		}
    214 #if 0
    215 		printf("%s: new drq conf %02x\n", device_xname(sc->sc_dev),
    216 		    sbdsp_mix_read(sc, SBP_SET_DRQ));
    217 #endif
    218 
    219 #if 0
    220 		printf("%s: old irq conf %02x\n", device_xname(sc->sc_dev),
    221 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
    222 		printf("%s: try irq conf %02x\n", device_xname(sc->sc_dev),
    223 		    irq_conf[sc->sc_irq]);
    224 #endif
    225 		w = irq_conf[sc->sc_irq];
    226 		sbdsp_mix_write(sc, SBP_SET_IRQ, w);
    227 		r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f;
    228 		if (r != w) {
    229 			aprint_error("%s: setting irq mask %02x failed, "
    230 			    "got %02x\n",
    231 			    probing ? "sbmatch" : device_xname(sc->sc_dev), w,
    232 			    r);
    233 			return 0;
    234 		}
    235 #if 0
    236 		printf("%s: new irq conf %02x\n", device_xname(sc->sc_dev),
    237 		    sbdsp_mix_read(sc, SBP_SET_IRQ));
    238 #endif
    239 	}
    240 
    241 	return 1;
    242 }
    243 
    244 
    245 void
    246 sbattach(struct sbdsp_softc *sc)
    247 {
    248 	struct audio_attach_args arg;
    249 
    250 	sbdsp_attach(sc);
    251 
    252 	audio_attach_mi(&sb_hw_if, sc, sc->sc_dev);
    253 
    254 #if NMPU > 0
    255 	switch(sc->sc_hasmpu) {
    256 	default:
    257 	case SBMPU_NONE:	/* no mpu */
    258 		break;
    259 	case SBMPU_INTERNAL:	/* try to attach midi directly */
    260 		midi_attach_mi(&sb_midi_hw_if, sc, sc->sc_dev);
    261 		break;
    262 	case SBMPU_EXTERNAL:	/* search for mpu */
    263 		arg.type = AUDIODEV_TYPE_MPU;
    264 		arg.hwif = 0;
    265 		arg.hdl = 0;
    266 		sc->sc_mpudev = config_found(sc->sc_dev, &arg, audioprint,
    267 		    CFARGS(.iattr = "sbdsp"));
    268 		break;
    269 	}
    270 #endif
    271 	if (sc->sc_model >= SB_20) {
    272 		arg.type = AUDIODEV_TYPE_OPL;
    273 		arg.hwif = 0;
    274 		arg.hdl = 0;
    275 		config_found(sc->sc_dev, &arg, audioprint,
    276 		    CFARGS(.iattr = "sbdsp"));
    277 	}
    278 }
    279 
    280 /*
    281  * Various routines to interface to higher level audio driver
    282  */
    283 
    284 int
    285 sb_getdev(void *addr, struct audio_device *retp)
    286 {
    287 	static const char * const names[] = SB_NAMES;
    288 	struct sbdsp_softc *sc;
    289 	const char *config;
    290 
    291 	sc = addr;
    292 	if (sc->sc_model == SB_JAZZ)
    293 		strlcpy(retp->name, "MV Jazz16", sizeof(retp->name));
    294 	else
    295 		strlcpy(retp->name, "SoundBlaster", sizeof(retp->name));
    296 	snprintf(retp->version, sizeof(retp->version), "%d.%02d",
    297 	    SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version));
    298 	if (sc->sc_model < sizeof names / sizeof names[0])
    299 		config = names[sc->sc_model];
    300 	else
    301 		config = "??";
    302 	strlcpy(retp->config, config, sizeof(retp->config));
    303 
    304 	return 0;
    305 }
    306