NetBSD-5.0.2/sys/dev/isa/sb.c
/* $NetBSD: sb.c,v 1.88 2008/03/15 21:09:02 cube Exp $ */
/*
* Copyright (c) 1991-1993 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Computer Systems
* Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sb.c,v 1.88 2008/03/15 21:09:02 cube Exp $");
#include "midi.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/cpu.h>
#include <sys/intr.h>
#include <sys/bus.h>
#include <sys/audioio.h>
#include <dev/audio_if.h>
#include <dev/midi_if.h>
#include <dev/isa/isavar.h>
#include <dev/isa/isadmavar.h>
#include <dev/isa/sbreg.h>
#include <dev/isa/sbvar.h>
#include <dev/isa/sbdspvar.h>
#if NMPU > 0
const struct midi_hw_if sb_midi_hw_if = {
sbdsp_midi_open,
sbdsp_midi_close,
sbdsp_midi_output,
sbdsp_midi_getinfo,
0, /* ioctl */
};
#endif
int sb_getdev(void *, struct audio_device *);
/*
* Define our interface to the higher level audio driver.
*/
const struct audio_hw_if sb_hw_if = {
sbdsp_open,
sbdsp_close,
0,
sbdsp_query_encoding,
sbdsp_set_params,
sbdsp_round_blocksize,
0,
0,
0,
0,
0,
sbdsp_halt_output,
sbdsp_halt_input,
sbdsp_speaker_ctl,
sb_getdev,
0,
sbdsp_mixer_set_port,
sbdsp_mixer_get_port,
sbdsp_mixer_query_devinfo,
sb_malloc,
sb_free,
sb_round_buffersize,
sb_mappage,
sbdsp_get_props,
sbdsp_trigger_output,
sbdsp_trigger_input,
NULL,
NULL,
};
/*
* Probe / attach routines.
*/
int
sbmatch(struct sbdsp_softc *sc, int probing, cfdata_t match)
{
static const u_char drq_conf[8] = {
0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
};
static const u_char irq_conf[11] = {
-1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
};
if (sbdsp_probe(sc, match) == 0)
return 0;
/*
* Cannot auto-discover DMA channel.
*/
if (ISSBPROCLASS(sc)) {
if (!SBP_DRQ_VALID(sc->sc_drq8)) {
aprint_error("%s: configured DMA chan %d invalid\n",
probing ? "sbmatch" : device_xname(sc->sc_dev),
sc->sc_drq8);
return 0;
}
} else {
if (!SB_DRQ_VALID(sc->sc_drq8)) {
aprint_error("%s: configured DMA chan %d invalid\n",
probing ? "sbmatch" : device_xname(sc->sc_dev),
sc->sc_drq8);
return 0;
}
}
if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3)
/*
* XXX Some ViBRA16 cards seem to have two 8 bit DMA
* channels. I've no clue how to use them, so ignore
* one of them for now. -- augustss@NetBSD.org
*/
sc->sc_drq16 = -1;
if (ISSB16CLASS(sc)) {
if (sc->sc_drq16 == -1)
sc->sc_drq16 = sc->sc_drq8;
if (!SB16_DRQ_VALID(sc->sc_drq16)) {
aprint_error("%s: configured DMA chan %d invalid\n",
probing ? "sbmatch" : device_xname(sc->sc_dev),
sc->sc_drq16);
return 0;
}
} else
sc->sc_drq16 = sc->sc_drq8;
if (ISSBPROCLASS(sc)) {
if (!SBP_IRQ_VALID(sc->sc_irq)) {
aprint_error("%s: configured irq %d invalid\n",
probing ? "sbmatch" : device_xname(sc->sc_dev),
sc->sc_irq);
return 0;
}
} else {
if (!SB_IRQ_VALID(sc->sc_irq)) {
aprint_error("%s: configured irq %d invalid\n",
probing ? "sbmatch" : device_xname(sc->sc_dev),
sc->sc_irq);
return 0;
}
}
if (ISSB16CLASS(sc) && !(sc->sc_quirks & SB_QUIRK_NO_INIT_DRQ)) {
int w, r;
if (sc->sc_irq >= __arraycount(irq_conf)) {
aprint_error("%s: Cannot handle irq %d\n",
probing ? "sbmatch" : device_xname(sc->sc_dev),
sc->sc_irq);
return 0;
}
if (sc->sc_drq16 >= __arraycount(drq_conf)) {
aprint_error("%s: Cannot handle drq16 %d\n",
probing ? "sbmatch" : device_xname(sc->sc_dev),
sc->sc_drq16);
return 0;
}
if (sc->sc_drq8 >= __arraycount(drq_conf)) {
aprint_error("%s: Cannot handle drq8 %d\n",
probing ? "sbmatch" : device_xname(sc->sc_dev),
sc->sc_drq8);
return 0;
}
#if 0
printf("%s: old drq conf %02x\n", device_xname(sc->sc_dev),
sbdsp_mix_read(sc, SBP_SET_DRQ));
printf("%s: try drq conf %02x\n", device_xname(sc->sc_dev),
drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]);
#endif
w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8];
sbdsp_mix_write(sc, SBP_SET_DRQ, w);
r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb;
if (r != w) {
aprint_error("%s: setting drq mask %02x failed, "
"got %02x\n",
probing ? "sbmatch" : device_xname(sc->sc_dev), w,
r);
return 0;
}
#if 0
printf("%s: new drq conf %02x\n", device_xname(sc->sc_dev),
sbdsp_mix_read(sc, SBP_SET_DRQ));
#endif
#if 0
printf("%s: old irq conf %02x\n", device_xname(sc->sc_dev),
sbdsp_mix_read(sc, SBP_SET_IRQ));
printf("%s: try irq conf %02x\n", device_xname(sc->sc_dev),
irq_conf[sc->sc_irq]);
#endif
w = irq_conf[sc->sc_irq];
sbdsp_mix_write(sc, SBP_SET_IRQ, w);
r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f;
if (r != w) {
aprint_error("%s: setting irq mask %02x failed, "
"got %02x\n",
probing ? "sbmatch" : device_xname(sc->sc_dev), w,
r);
return 0;
}
#if 0
printf("%s: new irq conf %02x\n", device_xname(sc->sc_dev),
sbdsp_mix_read(sc, SBP_SET_IRQ));
#endif
}
return 1;
}
void
sbattach(struct sbdsp_softc *sc)
{
struct audio_attach_args arg;
sbdsp_attach(sc);
audio_attach_mi(&sb_hw_if, sc, sc->sc_dev);
#if NMPU > 0
switch(sc->sc_hasmpu) {
default:
case SBMPU_NONE: /* no mpu */
break;
case SBMPU_INTERNAL: /* try to attach midi directly */
midi_attach_mi(&sb_midi_hw_if, sc, sc->sc_dev);
break;
case SBMPU_EXTERNAL: /* search for mpu */
arg.type = AUDIODEV_TYPE_MPU;
arg.hwif = 0;
arg.hdl = 0;
sc->sc_mpudev = config_found_ia(sc->sc_dev, "sbdsp", &arg, audioprint);
break;
}
#endif
if (sc->sc_model >= SB_20) {
arg.type = AUDIODEV_TYPE_OPL;
arg.hwif = 0;
arg.hdl = 0;
(void)config_found_ia(sc->sc_dev, "sbdsp", &arg, audioprint);
}
}
/*
* Various routines to interface to higher level audio driver
*/
int
sb_getdev(void *addr, struct audio_device *retp)
{
static const char * const names[] = SB_NAMES;
struct sbdsp_softc *sc;
const char *config;
sc = addr;
if (sc->sc_model == SB_JAZZ)
strlcpy(retp->name, "MV Jazz16", sizeof(retp->name));
else
strlcpy(retp->name, "SoundBlaster", sizeof(retp->name));
snprintf(retp->version, sizeof(retp->version), "%d.%02d",
SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version));
if (sc->sc_model < sizeof names / sizeof names[0])
config = names[sc->sc_model];
else
config = "??";
strlcpy(retp->config, config, sizeof(retp->config));
return 0;
}