NetBSD/sys/dev/isa/sb.c

348 lines
8.1 KiB
C

/* $NetBSD: sb.c,v 1.65 1999/02/18 07:08:35 mycroft 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 "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 <machine/cpu.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <sys/audioio.h>
#include <dev/audio_if.h>
#include <dev/midi_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 NMIDI > 0
int sb_mpu401_open __P((void *, int,
void (*iintr)__P((void *, int)),
void (*ointr)__P((void *)), void *arg));
void sb_mpu401_close __P((void *));
int sb_mpu401_output __P((void *, int));
void sb_mpu401_getinfo __P((void *, struct midi_info *));
struct midi_hw_if sb_midi_hw_if = {
sbdsp_midi_open,
sbdsp_midi_close,
sbdsp_midi_output,
sbdsp_midi_getinfo,
0, /* ioctl */
};
struct midi_hw_if sb_mpu401_hw_if = {
sb_mpu401_open,
sb_mpu401_close,
sb_mpu401_output,
sb_mpu401_getinfo,
0, /* ioctl */
};
#endif
struct audio_device sb_device = {
"SoundBlaster",
"x",
"sb"
};
int sb_getdev __P((void *, struct audio_device *));
/*
* Define our interface to the higher level audio driver.
*/
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,
};
/*
* Probe / attach routines.
*/
int
sbmatch(sc)
struct sbdsp_softc *sc;
{
static u_char drq_conf[8] = {
0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80
};
static u_char irq_conf[11] = {
-1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08
};
if (sbdsp_probe(sc) == 0)
return 0;
/*
* Cannot auto-discover DMA channel.
*/
if (ISSBPROCLASS(sc)) {
if (!SBP_DRQ_VALID(sc->sc_drq8)) {
printf("%s: configured dma chan %d invalid\n",
sc->sc_dev.dv_xname, sc->sc_drq8);
return 0;
}
} else {
if (!SB_DRQ_VALID(sc->sc_drq8)) {
printf("%s: configured dma chan %d invalid\n",
sc->sc_dev.dv_xname, 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)) {
printf("%s: configured dma chan %d invalid\n",
sc->sc_dev.dv_xname, sc->sc_drq16);
return 0;
}
} else
sc->sc_drq16 = sc->sc_drq8;
if (ISSBPROCLASS(sc)) {
if (!SBP_IRQ_VALID(sc->sc_irq)) {
printf("%s: configured irq %d invalid\n",
sc->sc_dev.dv_xname, sc->sc_irq);
return 0;
}
} else {
if (!SB_IRQ_VALID(sc->sc_irq)) {
printf("%s: configured irq %d invalid\n",
sc->sc_dev.dv_xname, sc->sc_irq);
return 0;
}
}
if (ISSB16CLASS(sc)) {
int w, r;
#if 0
printf("%s: old drq conf %02x\n", sc->sc_dev.dv_xname,
sbdsp_mix_read(sc, SBP_SET_DRQ));
printf("%s: try drq conf %02x\n", sc->sc_dev.dv_xname,
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) {
printf("%s: setting drq mask %02x failed, got %02x\n",
sc->sc_dev.dv_xname, w, r);
return 0;
}
#if 0
printf("%s: new drq conf %02x\n", sc->sc_dev.dv_xname,
sbdsp_mix_read(sc, SBP_SET_DRQ));
#endif
#if 0
printf("%s: old irq conf %02x\n", sc->sc_dev.dv_xname,
sbdsp_mix_read(sc, SBP_SET_IRQ));
printf("%s: try irq conf %02x\n", sc->sc_dev.dv_xname,
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) {
printf("%s: setting irq mask %02x failed, got %02x\n",
sc->sc_dev.dv_xname, w, r);
return 0;
}
#if 0
printf("%s: new irq conf %02x\n", sc->sc_dev.dv_xname,
sbdsp_mix_read(sc, SBP_SET_IRQ));
#endif
}
return 1;
}
void
sbattach(sc)
struct sbdsp_softc *sc;
{
struct audio_attach_args arg;
#if NMIDI > 0
struct midi_hw_if *mhw = &sb_midi_hw_if;
#endif
sc->sc_ih = isa_intr_establish(sc->sc_ic, sc->sc_irq, sc->sc_ist,
IPL_AUDIO, sbdsp_intr, sc);
sbdsp_attach(sc);
#if NMIDI > 0
sc->sc_hasmpu = 0;
if (ISSB16CLASS(sc) && sc->sc_mpu_sc.iobase != 0) {
sc->sc_mpu_sc.iot = sc->sc_iot;
if (mpu401_find(&sc->sc_mpu_sc)) {
sc->sc_hasmpu = 1;
mhw = &sb_mpu401_hw_if;
}
}
midi_attach_mi(mhw, sc, &sc->sc_dev);
#endif
audio_attach_mi(&sb_hw_if, sc, &sc->sc_dev);
arg.type = AUDIODEV_TYPE_OPL;
arg.hwif = 0;
arg.hdl = 0;
(void)config_found(&sc->sc_dev, &arg, audioprint);
}
/*
* Various routines to interface to higher level audio driver
*/
int
sb_getdev(addr, retp)
void *addr;
struct audio_device *retp;
{
struct sbdsp_softc *sc = addr;
static char *names[] = SB_NAMES;
char *config;
if (sc->sc_model == SB_JAZZ)
strncpy(retp->name, "MV Jazz16", sizeof(retp->name));
else
strncpy(retp->name, "SoundBlaster", sizeof(retp->name));
sprintf(retp->version, "%d.%02d",
SBVER_MAJOR(sc->sc_version),
SBVER_MINOR(sc->sc_version));
if (0 <= sc->sc_model && sc->sc_model < sizeof names / sizeof names[0])
config = names[sc->sc_model];
else
config = "??";
strncpy(retp->config, config, sizeof(retp->config));
return 0;
}
#if NMIDI > 0
#define SBMPU(a) (&((struct sbdsp_softc *)addr)->sc_mpu_sc)
int
sb_mpu401_open(addr, flags, iintr, ointr, arg)
void *addr;
int flags;
void (*iintr)__P((void *, int));
void (*ointr)__P((void *));
void *arg;
{
return mpu401_open(SBMPU(addr), flags, iintr, ointr, arg);
}
int
sb_mpu401_output(addr, d)
void *addr;
int d;
{
return mpu401_output(SBMPU(addr), d);
}
void
sb_mpu401_close(addr)
void *addr;
{
mpu401_close(SBMPU(addr));
}
void
sb_mpu401_getinfo(addr, mi)
void *addr;
struct midi_info *mi;
{
mi->name = "SB MPU-401 UART";
mi->props = 0;
}
#endif