NetBSD/sys/dev/isa/ym.c

471 lines
11 KiB
C

/* $NetBSD: ym.c,v 1.9 1999/02/18 17:27:39 mycroft Exp $ */
/*
* Copyright (c) 1998 Constantine Sapuntzakis. 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* Original code from OpenBSD.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <machine/bus.h>
#include <sys/audioio.h>
#include <dev/audio_if.h>
#include <dev/isa/isavar.h>
#include <dev/isa/isadmavar.h>
#include <dev/ic/ad1848reg.h>
#include <dev/isa/ad1848var.h>
#include <dev/ic/opl3sa3.h>
#include <dev/isa/ymvar.h>
int ym_getdev __P((void *, struct audio_device *));
int ym_mixer_set_port __P((void *, mixer_ctrl_t *));
int ym_mixer_get_port __P((void *, mixer_ctrl_t *));
int ym_query_devinfo __P((void *, mixer_devinfo_t *));
static void ym_mute __P((struct ym_softc *, int, int));
static void ym_set_master_gain __P((struct ym_softc *, struct ad1848_volume*));
static void ym_set_mic_gain __P((struct ym_softc *, struct ad1848_volume *));
struct audio_hw_if ym_hw_if = {
ad1848_isa_open,
ad1848_isa_close,
NULL,
ad1848_query_encoding,
ad1848_set_params,
ad1848_round_blocksize,
ad1848_commit_settings,
NULL,
NULL,
NULL,
NULL,
ad1848_isa_halt_output,
ad1848_isa_halt_input,
NULL,
ym_getdev,
NULL,
ym_mixer_set_port,
ym_mixer_get_port,
ym_query_devinfo,
ad1848_isa_malloc,
ad1848_isa_free,
ad1848_isa_round_buffersize,
ad1848_isa_mappage,
ad1848_isa_get_props,
ad1848_isa_trigger_output,
ad1848_isa_trigger_input,
};
struct audio_device ym_device = {
"ym,ad1848",
"",
"ym"
};
static __inline int ym_read __P((struct ym_softc *, int));
static __inline void ym_write __P((struct ym_softc *, int, int));
void
ym_attach(sc)
struct ym_softc *sc;
{
struct ad1848_softc *ac = &sc->sc_ad1848.sc_ad1848;
struct ad1848_volume vol_mid = {220, 220};
struct ad1848_volume vol_0 = {0, 0};
sc->sc_ad1848.sc_ih = isa_intr_establish(sc->sc_ic, sc->ym_irq,
IST_EDGE,
IPL_AUDIO, ad1848_isa_intr,
&sc->sc_ad1848);
ad1848_isa_attach(&sc->sc_ad1848);
printf("\n");
ac->parent = sc;
/* Establish chip in well known mode */
ym_set_master_gain(sc, &vol_mid);
ym_set_mic_gain(sc, &vol_0);
sc->master_mute = 0;
ym_mute(sc, SA3_LCH, sc->master_mute);
ym_mute(sc, SA3_RCH, sc->master_mute);
sc->mic_mute = 1;
ym_mute(sc, SA3_MIC, sc->mic_mute);
audio_attach_mi(&ym_hw_if, ac, &ac->sc_dev);
}
static __inline int
ym_read(sc, reg)
struct ym_softc *sc;
int reg;
{
bus_space_write_1(sc->sc_iot, sc->sc_controlioh, 0, 0x1d);
bus_space_write_1(sc->sc_iot, sc->sc_controlioh, 0, (reg & 0xff));
return (bus_space_read_1(sc->sc_iot, sc->sc_controlioh, 1));
}
static __inline void
ym_write(sc, reg, data)
struct ym_softc *sc;
int reg;
int data;
{
bus_space_write_1(sc->sc_iot, sc->sc_controlioh, 0, 0x1d);
bus_space_write_1(sc->sc_iot, sc->sc_controlioh, 0, (reg & 0xff));
bus_space_write_1(sc->sc_iot, sc->sc_controlioh, 1, (data & 0xff));
}
int
ym_getdev(addr, retp)
void *addr;
struct audio_device *retp;
{
*retp = ym_device;
return 0;
}
static ad1848_devmap_t mappings[] = {
{ YM_MIDI_LVL, AD1848_KIND_LVL, AD1848_AUX2_CHANNEL },
{ YM_CD_LVL, AD1848_KIND_LVL, AD1848_AUX1_CHANNEL },
{ YM_DAC_LVL, AD1848_KIND_LVL, AD1848_DAC_CHANNEL },
{ YM_LINE_LVL, AD1848_KIND_LVL, AD1848_LINE_CHANNEL },
{ YM_SPEAKER_LVL, AD1848_KIND_LVL, AD1848_MONO_CHANNEL },
{ YM_MONITOR_LVL, AD1848_KIND_LVL, AD1848_MONITOR_CHANNEL },
{ YM_MIDI_MUTE, AD1848_KIND_MUTE, AD1848_AUX2_CHANNEL },
{ YM_CD_MUTE, AD1848_KIND_MUTE, AD1848_AUX1_CHANNEL },
{ YM_DAC_MUTE, AD1848_KIND_MUTE, AD1848_DAC_CHANNEL },
{ YM_LINE_MUTE, AD1848_KIND_MUTE, AD1848_LINE_CHANNEL },
{ YM_SPEAKER_MUTE, AD1848_KIND_MUTE, AD1848_MONO_CHANNEL },
{ YM_MONITOR_MUTE, AD1848_KIND_MUTE, AD1848_MONITOR_CHANNEL },
{ YM_REC_LVL, AD1848_KIND_RECORDGAIN, -1 },
{ YM_RECORD_SOURCE, AD1848_KIND_RECORDSOURCE, -1}
};
static int nummap = sizeof(mappings) / sizeof(mappings[0]);
static void
ym_mute(sc, left_reg, mute)
struct ym_softc *sc;
int left_reg;
int mute;
{
u_char reg;
if (mute) {
reg = ym_read(sc, left_reg);
ym_write (sc, left_reg, reg | 0x80);
} else {
reg = ym_read(sc, left_reg);
ym_write (sc, left_reg, reg & ~0x80);
}
}
#define MIC_ATTEN_BITS 0x1f
#define MASTER_ATTEN_BITS 0x0f
static void
ym_set_master_gain(sc, vol)
struct ym_softc *sc;
struct ad1848_volume *vol;
{
u_char reg;
u_int atten;
sc->master_gain = *vol;
atten = ((AUDIO_MAX_GAIN - vol->left) * MASTER_ATTEN_BITS) /
AUDIO_MAX_GAIN;
reg = ym_read(sc, SA3_LCH);
reg &= ~(MASTER_ATTEN_BITS);
reg |= atten;
ym_write (sc, SA3_LCH, reg);
atten = ((AUDIO_MAX_GAIN - vol->right) * MASTER_ATTEN_BITS) /
AUDIO_MAX_GAIN;
reg = ym_read(sc, SA3_RCH) & ~(MASTER_ATTEN_BITS);
reg |= atten;
ym_write (sc, SA3_RCH, reg);
}
static void
ym_set_mic_gain(sc, vol)
struct ym_softc *sc;
struct ad1848_volume *vol;
{
u_char reg;
u_int atten;
sc->mic_gain = *vol;
atten = ((AUDIO_MAX_GAIN - vol->left) * MIC_ATTEN_BITS)/AUDIO_MAX_GAIN;
reg = ym_read(sc, SA3_MIC) & ~(MIC_ATTEN_BITS);
reg |= atten;
ym_write (sc, SA3_MIC, reg);
}
int
ym_mixer_set_port(addr, cp)
void *addr;
mixer_ctrl_t *cp;
{
struct ad1848_softc *ac = addr;
struct ym_softc *sc = ac->parent;
struct ad1848_volume vol;
int error = ad1848_mixer_set_port(ac, mappings, nummap, cp);
if (error != ENXIO)
return (error);
error = 0;
switch (cp->dev) {
case YM_OUTPUT_LVL:
ad1848_to_vol(cp, &vol);
ym_set_master_gain(sc, &vol);
break;
case YM_OUTPUT_MUTE:
sc->master_mute = (cp->un.ord != 0);
ym_mute(sc, SA3_LCH, sc->master_mute);
ym_mute(sc, SA3_RCH, sc->master_mute);
break;
case YM_MIC_LVL:
if (cp->un.value.num_channels != 1)
error = EINVAL;
ad1848_to_vol(cp, &vol);
ym_set_mic_gain(sc, &vol);
break;
case YM_MIC_MUTE:
sc->mic_mute = (cp->un.ord != 0);
ym_mute(sc, SA3_MIC, sc->mic_mute);
break;
default:
return ENXIO;
/*NOTREACHED*/
}
return (error);
}
int
ym_mixer_get_port(addr, cp)
void *addr;
mixer_ctrl_t *cp;
{
struct ad1848_softc *ac = addr;
struct ym_softc *sc = ac->parent;
int error = ad1848_mixer_get_port(ac, mappings, nummap, cp);
if (error != ENXIO)
return (error);
error = 0;
switch (cp->dev) {
case YM_OUTPUT_LVL:
ad1848_from_vol(cp, &sc->master_gain);
break;
case YM_OUTPUT_MUTE:
cp->un.ord = sc->master_mute;
break;
case YM_MIC_LVL:
if (cp->un.value.num_channels != 1)
error = EINVAL;
ad1848_from_vol(cp, &sc->mic_gain);
break;
case YM_MIC_MUTE:
cp->un.ord = sc->mic_mute;
break;
default:
error = ENXIO;
break;
}
return(error);
}
static char *mixer_classes[] =
{ AudioCinputs, AudioCrecord, AudioCoutputs, AudioCmonitor };
int
ym_query_devinfo(addr, dip)
void *addr;
mixer_devinfo_t *dip;
{
static char *mixer_port_names[] =
{ AudioNmidi, AudioNcd, AudioNdac, AudioNline, AudioNspeaker,
AudioNmicrophone, AudioNmonitor};
dip->next = dip->prev = AUDIO_MIXER_LAST;
switch(dip->index) {
case YM_INPUT_CLASS: /* input class descriptor */
case YM_OUTPUT_CLASS:
case YM_MONITOR_CLASS:
case YM_RECORD_CLASS:
dip->type = AUDIO_MIXER_CLASS;
dip->mixer_class = dip->index;
strcpy(dip->label.name,
mixer_classes[dip->index - YM_INPUT_CLASS]);
break;
case YM_MIDI_LVL:
case YM_CD_LVL:
case YM_DAC_LVL:
case YM_LINE_LVL:
case YM_SPEAKER_LVL:
case YM_MIC_LVL:
case YM_MONITOR_LVL:
dip->type = AUDIO_MIXER_VALUE;
if (dip->index == YM_MONITOR_LVL)
dip->mixer_class = YM_MONITOR_CLASS;
else
dip->mixer_class = YM_INPUT_CLASS;
dip->next = dip->index + 7;
strcpy(dip->label.name,
mixer_port_names[dip->index - YM_MIDI_LVL]);
if (dip->index == YM_SPEAKER_LVL ||
dip->index == YM_MIC_LVL)
dip->un.v.num_channels = 1;
else
dip->un.v.num_channels = 2;
strcpy(dip->un.v.units.name, AudioNvolume);
break;
case YM_MIDI_MUTE:
case YM_CD_MUTE:
case YM_DAC_MUTE:
case YM_LINE_MUTE:
case YM_SPEAKER_MUTE:
case YM_MIC_MUTE:
case YM_MONITOR_MUTE:
if (dip->index == YM_MONITOR_MUTE)
dip->mixer_class = YM_MONITOR_CLASS;
else
dip->mixer_class = YM_INPUT_CLASS;
dip->type = AUDIO_MIXER_ENUM;
dip->prev = dip->index - 7;
mute:
strcpy(dip->label.name, AudioNmute);
dip->un.e.num_mem = 2;
strcpy(dip->un.e.member[0].label.name, AudioNoff);
dip->un.e.member[0].ord = 0;
strcpy(dip->un.e.member[1].label.name, AudioNon);
dip->un.e.member[1].ord = 1;
break;
case YM_OUTPUT_LVL:
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = YM_OUTPUT_CLASS;
dip->next = YM_OUTPUT_MUTE;
strcpy(dip->label.name, AudioNmaster);
dip->un.v.num_channels = 2;
strcpy(dip->un.v.units.name, AudioNvolume);
break;
case YM_OUTPUT_MUTE:
dip->mixer_class = YM_OUTPUT_CLASS;
dip->type = AUDIO_MIXER_ENUM;
dip->prev = YM_OUTPUT_LVL;
goto mute;
case YM_REC_LVL: /* record level */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = YM_RECORD_CLASS;
dip->next = YM_RECORD_SOURCE;
strcpy(dip->label.name, AudioNrecord);
dip->un.v.num_channels = 2;
strcpy(dip->un.v.units.name, AudioNvolume);
break;
case YM_RECORD_SOURCE:
dip->mixer_class = YM_RECORD_CLASS;
dip->type = AUDIO_MIXER_ENUM;
dip->prev = YM_REC_LVL;
strcpy(dip->label.name, AudioNsource);
dip->un.e.num_mem = 4;
strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
dip->un.e.member[0].ord = MIC_IN_PORT;
strcpy(dip->un.e.member[1].label.name, AudioNline);
dip->un.e.member[1].ord = LINE_IN_PORT;
strcpy(dip->un.e.member[2].label.name, AudioNdac);
dip->un.e.member[2].ord = DAC_IN_PORT;
strcpy(dip->un.e.member[3].label.name, AudioNcd);
dip->un.e.member[3].ord = AUX1_IN_PORT;
break;
default:
return ENXIO;
/*NOTREACHED*/
}
return 0;
}