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NetBSD/sys/dev/isa/wss.c

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/* $NetBSD: wss.c,v 1.19 1997/03/20 06:49:00 mycroft Exp $ */
/*
* Copyright (c) 1994 John Brezak
* 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/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/buf.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <machine/pio.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/isa/wssreg.h>
/*
* Mixer devices
*/
#define WSS_MIC_IN_LVL 0
#define WSS_LINE_IN_LVL 1
#define WSS_DAC_LVL 2
#define WSS_REC_LVL 3
#define WSS_MON_LVL 4
#define WSS_MIC_IN_MUTE 5
#define WSS_LINE_IN_MUTE 6
#define WSS_DAC_MUTE 7
#define WSS_RECORD_SOURCE 8
/* Classes */
#define WSS_INPUT_CLASS 9
#define WSS_RECORD_CLASS 10
#define WSS_MONITOR_CLASS 11
#ifdef AUDIO_DEBUG
#define DPRINTF(x) if (wssdebug) printf x
int wssdebug = 0;
#else
#define DPRINTF(x)
#endif
struct wss_softc {
struct device sc_dev; /* base device */
struct isadev sc_id; /* ISA device */
void *sc_ih; /* interrupt vectoring */
struct ad1848_softc sc_ad1848;
#define wss_irq sc_ad1848.sc_irq
#define wss_drq sc_ad1848.sc_drq
int mic_mute, cd_mute, dac_mute;
};
struct audio_device wss_device = {
"wss,ad1848",
"",
"WSS"
};
int wssopen __P((dev_t, int));
int wss_getdev __P((void *, struct audio_device *));
int wss_setfd __P((void *, int));
int wss_set_out_port __P((void *, int));
int wss_get_out_port __P((void *));
int wss_set_in_port __P((void *, int));
int wss_get_in_port __P((void *));
int wss_mixer_set_port __P((void *, mixer_ctrl_t *));
int wss_mixer_get_port __P((void *, mixer_ctrl_t *));
int wss_query_devinfo __P((void *, mixer_devinfo_t *));
static int wss_to_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
static int wss_from_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
/*
* Define our interface to the higher level audio driver.
*/
struct audio_hw_if wss_hw_if = {
wssopen,
ad1848_close,
NULL,
ad1848_set_in_sr,
ad1848_get_in_sr,
ad1848_set_out_sr,
ad1848_get_out_sr,
ad1848_query_encoding,
ad1848_set_format,
ad1848_get_encoding,
ad1848_get_precision,
ad1848_set_channels,
ad1848_get_channels,
ad1848_round_blocksize,
wss_set_out_port,
wss_get_out_port,
wss_set_in_port,
wss_get_in_port,
ad1848_commit_settings,
NULL,
NULL,
ad1848_dma_output,
ad1848_dma_input,
ad1848_halt_out_dma,
ad1848_halt_in_dma,
ad1848_cont_out_dma,
ad1848_cont_in_dma,
NULL,
wss_getdev,
wss_setfd,
wss_mixer_set_port,
wss_mixer_get_port,
wss_query_devinfo,
0, /* not full-duplex */
0
};
int wssprobe __P((struct device *, void *, void *));
void wssattach __P((struct device *, struct device *, void *));
struct cfattach wss_ca = {
sizeof(struct wss_softc), wssprobe, wssattach
};
struct cfdriver wss_cd = {
NULL, "wss", DV_DULL
};
/*
* Probe for the Microsoft Sound System hardware.
*/
int
wssprobe(parent, match, aux)
struct device *parent;
void *match, *aux;
{
register struct wss_softc *sc = match;
register struct isa_attach_args *ia = aux;
register int iobase = ia->ia_iobase;
static u_char interrupt_bits[12] = {
-1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20
};
static u_char dma_bits[4] = {1, 2, 0, 3};
if (!WSS_BASE_VALID(ia->ia_iobase)) {
DPRINTF(("wss: configured iobase %x invalid\n", ia->ia_iobase));
return 0;
}
sc->sc_ad1848.sc_iobase = iobase + WSS_CODEC;
/* Is there an ad1848 chip at (WSS iobase + WSS_CODEC)? */
if (ad1848_probe(&sc->sc_ad1848) == 0)
return 0;
ia->ia_iosize = WSS_NPORT;
/* Setup WSS interrupt and DMA */
if (!WSS_DRQ_VALID(ia->ia_drq)) {
DPRINTF(("wss: configured dma chan %d invalid\n", ia->ia_drq));
return 0;
}
sc->wss_drq = ia->ia_drq;
#ifdef NEWCONFIG
/*
* If the IRQ wasn't compiled in, auto-detect it.
*/
if (ia->ia_irq == IRQUNK) {
ia->ia_irq = isa_discoverintr(ad1848_forceintr, &sc->sc_ad1848);
if (!WSS_IRQ_VALID(ia->ia_irq)) {
printf("wss: couldn't auto-detect interrupt\n");
return 0;
}
}
else
#endif
if (!WSS_IRQ_VALID(ia->ia_irq)) {
DPRINTF(("wss: configured interrupt %d invalid\n", ia->ia_irq));
return 0;
}
sc->wss_irq = ia->ia_irq;
outb(iobase+WSS_CONFIG,
(interrupt_bits[ia->ia_irq] | dma_bits[ia->ia_drq]));
return 1;
}
/*
* Attach hardware to driver, attach hardware driver to audio
* pseudo-device driver .
*/
void
wssattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
register struct wss_softc *sc = (struct wss_softc *)self;
struct isa_attach_args *ia = (struct isa_attach_args *)aux;
register int iobase = ia->ia_iobase;
int err;
sc->sc_ad1848.sc_recdrq = ia->ia_drq;
#ifdef NEWCONFIG
isa_establish(&sc->sc_id, &sc->sc_dev);
#endif
sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, IPL_AUDIO,
ad1848_intr, &sc->sc_ad1848);
ad1848_attach(&sc->sc_ad1848);
printf(" (vers %d)", inb(iobase+WSS_STATUS) & WSS_VERSMASK);
printf("\n");
sc->sc_ad1848.parent = sc;
if ((err = audio_hardware_attach(&wss_hw_if, &sc->sc_ad1848)) != 0)
printf("wss: could not attach to audio pseudo-device driver (%d)\n", err);
}
static int
wss_to_vol(cp, vol)
mixer_ctrl_t *cp;
struct ad1848_volume *vol;
{
if (cp->un.value.num_channels == 1) {
vol->left = vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
return(1);
}
else if (cp->un.value.num_channels == 2) {
vol->left = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
return(1);
}
return(0);
}
static int
wss_from_vol(cp, vol)
mixer_ctrl_t *cp;
struct ad1848_volume *vol;
{
if (cp->un.value.num_channels == 1) {
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol->left;
return(1);
}
else if (cp->un.value.num_channels == 2) {
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = vol->left;
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = vol->right;
return(1);
}
return(0);
}
int
wssopen(dev, flags)
dev_t dev;
int flags;
{
struct wss_softc *sc;
int unit = AUDIOUNIT(dev);
if (unit >= wss_cd.cd_ndevs)
return ENODEV;
sc = wss_cd.cd_devs[unit];
if (!sc)
return ENXIO;
return ad1848_open(&sc->sc_ad1848, dev, flags);
}
int
wss_getdev(addr, retp)
void *addr;
struct audio_device *retp;
{
*retp = wss_device;
return 0;
}
int
wss_setfd(addr, flag)
void *addr;
int flag;
{
/* Can't do full-duplex */
return(ENOTTY);
}
int
wss_set_out_port(addr, port)
void *addr;
int port;
{
DPRINTF(("wss_set_out_port:\n"));
return(EINVAL);
}
int
wss_get_out_port(addr)
void *addr;
{
DPRINTF(("wss_get_out_port:\n"));
return(WSS_DAC_LVL);
}
int
wss_set_in_port(addr, port)
void *addr;
int port;
{
register struct ad1848_softc *ac = addr;
DPRINTF(("wss_set_in_port: %d\n", port));
switch(port) {
case WSS_MIC_IN_LVL:
port = MIC_IN_PORT;
break;
case WSS_LINE_IN_LVL:
port = LINE_IN_PORT;
break;
case WSS_DAC_LVL:
port = DAC_IN_PORT;
break;
default:
return(EINVAL);
/*NOTREACHED*/
}
return(ad1848_set_rec_port(ac, port));
}
int
wss_get_in_port(addr)
void *addr;
{
register struct ad1848_softc *ac = addr;
int port = WSS_MIC_IN_LVL;
switch(ad1848_get_rec_port(ac)) {
case MIC_IN_PORT:
port = WSS_MIC_IN_LVL;
break;
case LINE_IN_PORT:
port = WSS_LINE_IN_LVL;
break;
case DAC_IN_PORT:
port = WSS_DAC_LVL;
break;
}
DPRINTF(("wss_get_in_port: %d\n", port));
return(port);
}
int
wss_mixer_set_port(addr, cp)
void *addr;
mixer_ctrl_t *cp;
{
register struct ad1848_softc *ac = addr;
register struct wss_softc *sc = ac->parent;
struct ad1848_volume vol;
int error = EINVAL;
DPRINTF(("wss_mixer_set_port: dev=%d type=%d\n", cp->dev, cp->type));
switch (cp->dev) {
case WSS_MIC_IN_LVL: /* Microphone */
if (cp->type == AUDIO_MIXER_VALUE) {
if (wss_to_vol(cp, &vol))
error = ad1848_set_aux2_gain(ac, &vol);
}
break;
case WSS_MIC_IN_MUTE: /* Microphone */
if (cp->type == AUDIO_MIXER_ENUM) {
sc->mic_mute = cp->un.ord;
DPRINTF(("mic mute %d\n", cp->un.ord));
error = 0;
}
break;
case WSS_LINE_IN_LVL: /* linein/CD */
if (cp->type == AUDIO_MIXER_VALUE) {
if (wss_to_vol(cp, &vol))
error = ad1848_set_aux1_gain(ac, &vol);
}
break;
case WSS_LINE_IN_MUTE: /* linein/CD */
if (cp->type == AUDIO_MIXER_ENUM) {
sc->cd_mute = cp->un.ord;
DPRINTF(("CD mute %d\n", cp->un.ord));
error = 0;
}
break;
case WSS_DAC_LVL: /* dac out */
if (cp->type == AUDIO_MIXER_VALUE) {
if (wss_to_vol(cp, &vol))
error = ad1848_set_out_gain(ac, &vol);
}
break;
case WSS_DAC_MUTE: /* dac out */
if (cp->type == AUDIO_MIXER_ENUM) {
sc->dac_mute = cp->un.ord;
DPRINTF(("DAC mute %d\n", cp->un.ord));
error = 0;
}
break;
case WSS_REC_LVL: /* record level */
if (cp->type == AUDIO_MIXER_VALUE) {
if (wss_to_vol(cp, &vol))
error = ad1848_set_rec_gain(ac, &vol);
}
break;
case WSS_RECORD_SOURCE:
if (cp->type == AUDIO_MIXER_ENUM) {
error = ad1848_set_rec_port(ac, cp->un.ord);
}
break;
case WSS_MON_LVL:
if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
vol.left = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
error = ad1848_set_mon_gain(ac, &vol);
}
break;
default:
return ENXIO;
/*NOTREACHED*/
}
return 0;
}
int
wss_mixer_get_port(addr, cp)
void *addr;
mixer_ctrl_t *cp;
{
register struct ad1848_softc *ac = addr;
register struct wss_softc *sc = ac->parent;
struct ad1848_volume vol;
int error = EINVAL;
DPRINTF(("wss_mixer_get_port: port=%d\n", cp->dev));
switch (cp->dev) {
case WSS_MIC_IN_LVL: /* Microphone */
if (cp->type == AUDIO_MIXER_VALUE) {
error = ad1848_get_aux2_gain(ac, &vol);
if (!error)
wss_from_vol(cp, &vol);
}
break;
case WSS_MIC_IN_MUTE:
if (cp->type == AUDIO_MIXER_ENUM) {
cp->un.ord = sc->mic_mute;
error = 0;
}
break;
case WSS_LINE_IN_LVL: /* linein/CD */
if (cp->type == AUDIO_MIXER_VALUE) {
error = ad1848_get_aux1_gain(ac, &vol);
if (!error)
wss_from_vol(cp, &vol);
}
break;
case WSS_LINE_IN_MUTE:
if (cp->type == AUDIO_MIXER_ENUM) {
cp->un.ord = sc->cd_mute;
error = 0;
}
break;
case WSS_DAC_LVL: /* dac out */
if (cp->type == AUDIO_MIXER_VALUE) {
error = ad1848_get_out_gain(ac, &vol);
if (!error)
wss_from_vol(cp, &vol);
}
break;
case WSS_DAC_MUTE:
if (cp->type == AUDIO_MIXER_ENUM) {
cp->un.ord = sc->dac_mute;
error = 0;
}
break;
case WSS_REC_LVL: /* record level */
if (cp->type == AUDIO_MIXER_VALUE) {
error = ad1848_get_rec_gain(ac, &vol);
if (!error)
wss_from_vol(cp, &vol);
}
break;
case WSS_RECORD_SOURCE:
if (cp->type == AUDIO_MIXER_ENUM) {
cp->un.ord = ad1848_get_rec_port(ac);
error = 0;
}
break;
case WSS_MON_LVL: /* monitor level */
if (cp->type == AUDIO_MIXER_VALUE && cp->un.value.num_channels == 1) {
error = ad1848_get_mon_gain(ac, &vol);
if (!error)
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol.left;
}
break;
default:
error = ENXIO;
break;
}
return(error);
}
int
wss_query_devinfo(addr, dip)
void *addr;
register mixer_devinfo_t *dip;
{
DPRINTF(("wss_query_devinfo: index=%d\n", dip->index));
switch(dip->index) {
case WSS_MIC_IN_LVL: /* Microphone */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = WSS_INPUT_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = WSS_MIC_IN_MUTE;
strcpy(dip->label.name, AudioNmicrophone);
dip->un.v.num_channels = 2;
strcpy(dip->un.v.units.name, AudioNvolume);
break;
case WSS_LINE_IN_LVL: /* line/CD */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = WSS_INPUT_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = WSS_LINE_IN_MUTE;
strcpy(dip->label.name, AudioNcd);
dip->un.v.num_channels = 2;
strcpy(dip->un.v.units.name, AudioNvolume);
break;
case WSS_DAC_LVL: /* dacout */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = WSS_INPUT_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = WSS_DAC_MUTE;
strcpy(dip->label.name, AudioNdac);
dip->un.v.num_channels = 2;
strcpy(dip->un.v.units.name, AudioNvolume);
break;
case WSS_REC_LVL: /* record level */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = WSS_RECORD_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = WSS_RECORD_SOURCE;
strcpy(dip->label.name, AudioNrecord);
dip->un.v.num_channels = 2;
strcpy(dip->un.v.units.name, AudioNvolume);
break;
case WSS_MON_LVL: /* monitor level */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = WSS_MONITOR_CLASS;
dip->next = dip->prev = AUDIO_MIXER_LAST;
strcpy(dip->label.name, AudioNmonitor);
dip->un.v.num_channels = 1;
strcpy(dip->un.v.units.name, AudioNvolume);
break;
case WSS_INPUT_CLASS: /* input class descriptor */
dip->type = AUDIO_MIXER_CLASS;
dip->mixer_class = WSS_INPUT_CLASS;
dip->next = dip->prev = AUDIO_MIXER_LAST;
strcpy(dip->label.name, AudioCInputs);
break;
case WSS_MONITOR_CLASS: /* monitor class descriptor */
dip->type = AUDIO_MIXER_CLASS;
dip->mixer_class = WSS_MONITOR_CLASS;
dip->next = dip->prev = AUDIO_MIXER_LAST;
strcpy(dip->label.name, AudioNmonitor);
break;
case WSS_RECORD_CLASS: /* record source class */
dip->type = AUDIO_MIXER_CLASS;
dip->mixer_class = WSS_RECORD_CLASS;
dip->next = dip->prev = AUDIO_MIXER_LAST;
strcpy(dip->label.name, AudioNrecord);
break;
case WSS_MIC_IN_MUTE:
dip->mixer_class = WSS_INPUT_CLASS;
dip->type = AUDIO_MIXER_ENUM;
dip->prev = WSS_MIC_IN_LVL;
dip->next = AUDIO_MIXER_LAST;
goto mute;
case WSS_LINE_IN_MUTE:
dip->mixer_class = WSS_INPUT_CLASS;
dip->type = AUDIO_MIXER_ENUM;
dip->prev = WSS_LINE_IN_LVL;
dip->next = AUDIO_MIXER_LAST;
goto mute;
case WSS_DAC_MUTE:
dip->mixer_class = WSS_INPUT_CLASS;
dip->type = AUDIO_MIXER_ENUM;
dip->prev = WSS_DAC_LVL;
dip->next = AUDIO_MIXER_LAST;
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 WSS_RECORD_SOURCE:
dip->mixer_class = WSS_RECORD_CLASS;
dip->type = AUDIO_MIXER_ENUM;
dip->prev = WSS_REC_LVL;
dip->next = AUDIO_MIXER_LAST;
strcpy(dip->label.name, AudioNsource);
dip->un.e.num_mem = 3;
strcpy(dip->un.e.member[0].label.name, AudioNmicrophone);
dip->un.e.member[0].ord = WSS_MIC_IN_LVL;
strcpy(dip->un.e.member[1].label.name, AudioNcd);
dip->un.e.member[1].ord = WSS_LINE_IN_LVL;
strcpy(dip->un.e.member[2].label.name, AudioNdac);
dip->un.e.member[2].ord = WSS_DAC_LVL;
break;
default:
return ENXIO;
/*NOTREACHED*/
}
DPRINTF(("AUDIO_MIXER_DEVINFO: name=%s\n", dip->label.name));
return 0;
}
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