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Allow selection of a recording source on USB audio devices.

Browse Source 
PR:		75316
Submitted by:	Kazuhito HONDA <kazuhito at ph dot noda dot tus dot ac dot jp>
Obtained from:	NetBSD plus changes
MFC after:	2 weeks
This commit is contained in:
Julian Elischer 2004-12-25 08:55:52 +00:00
parent 65046f8612
commit 587161d920
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=139289
3 changed files with 95 additions and 8 deletions
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92
sys/dev/sound/usb/uaudio.c
View File

@ -143,6 +143,8 @@ struct mixerctl {
u_int mul;
#if defined(__FreeBSD__) /* XXXXX */
unsigned ctl;
#define MAX_SELECTOR_INPUT_PIN 256
u_int8_t slctrtype[MAX_SELECTOR_INPUT_PIN];
#endif
u_int8_t class;
#if !defined(__FreeBSD__)
@ -1009,24 +1011,34 @@ uaudio_add_mixer(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
Static void
uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int id)
{
#if !defined(__FreeBSD__) || defined(USB_DEBUG)
const struct usb_audio_selector_unit *d = iot[id].d.su;
#endif
#if !defined(__FreeBSD__)
struct mixerctl mix;
#if !defined(__FreeBSD__)
int i, wp;
#else
int i;
struct mixerctl dummy;
#endif
DPRINTFN(2,("uaudio_add_selector: bUnitId=%d bNrInPins=%d\n",
d->bUnitId, d->bNrInPins));
#if defined(__FreeBSD__)
printf("uaudio_add_selector: NOT IMPLEMENTED\n");
#else
mix.wIndex = MAKE(d->bUnitId, sc->sc_ac_iface);
mix.wValue[0] = MAKE(0, 0);
uaudio_determine_class(&iot[id], &mix);
mix.nchan = 1;
mix.type = MIX_SELECTOR;
#if defined(__FreeBSD__)
mix.ctl = SOUND_MIXER_NRDEVICES; /* XXXXX */
mix.minval = 1;
mix.maxval = d->bNrInPins;
mix.mul = mix.maxval - mix.minval;
for (i = 0; i < MAX_SELECTOR_INPUT_PIN; i++) {
mix.slctrtype[i] = SOUND_MIXER_NRDEVICES;
}
for (i = mix.minval; i <= mix.maxval; i++) {
mix.slctrtype[i - 1] = uaudio_feature_name(&iot[d->baSourceId[i - 1]], &dummy);
}
#else
mix.ctlunit = "";
mix.minval = 1;
mix.maxval = d->bNrInPins;
@ -1038,8 +1050,8 @@ uaudio_add_selector(struct uaudio_softc *sc, const struct io_terminal *iot, int
if (wp > MAX_AUDIO_DEV_LEN - 1)
break;
}
uaudio_mixer_add_ctl(sc, &mix);
#endif
uaudio_mixer_add_ctl(sc, &mix);
}
#ifdef USB_DEBUG
@ -4071,6 +4083,39 @@ uaudio_query_mix_info(device_t dev)
return mask;
}
u_int32_t
uaudio_query_recsrc_info(device_t dev)
{
int i, rec_selector_id;
u_int32_t mask = 0;
struct uaudio_softc *sc;
struct mixerctl *mc;
sc = device_get_softc(dev);
rec_selector_id = -1;
for (i=0; i < sc->sc_nctls; i++) {
mc = &sc->sc_ctls[i];
if (mc->ctl == SOUND_MIXER_NRDEVICES &&
mc->type == MIX_SELECTOR && mc->class == UAC_RECORD) {
if (rec_selector_id == -1) {
rec_selector_id = i;
} else {
printf("There are many selectors. Can't recognize which selector is a record source selector.\n");
return mask;
}
}
}
if (rec_selector_id == -1)
return mask;
mc = &sc->sc_ctls[rec_selector_id];
for (i = mc->minval; i <= mc->maxval; i++) {
if (mc->slctrtype[i - 1] == SOUND_MIXER_NRDEVICES)
continue;
mask |= 1 << mc->slctrtype[i - 1];
}
return mask;
}
void
uaudio_mixer_set(device_t dev, unsigned type, unsigned left, unsigned right)
{
@ -4093,6 +4138,39 @@ uaudio_mixer_set(device_t dev, unsigned type, unsigned left, unsigned right)
return;
}
u_int32_t
uaudio_mixer_setrecsrc(device_t dev, u_int32_t src)
{
int i, rec_selector_id;
struct uaudio_softc *sc;
struct mixerctl *mc;
sc = device_get_softc(dev);
rec_selector_id = -1;
for (i=0; i < sc->sc_nctls; i++) {
mc = &sc->sc_ctls[i];
if (mc->ctl == SOUND_MIXER_NRDEVICES &&
mc->type == MIX_SELECTOR && mc->class == UAC_RECORD) {
if (rec_selector_id == -1) {
rec_selector_id = i;
} else {
return src; /* Can't recognize which selector is record source selector */
}
}
}
if (rec_selector_id == -1)
return src;
mc = &sc->sc_ctls[rec_selector_id];
for (i = mc->minval; i <= mc->maxval; i++) {
if (src != (1 << mc->slctrtype[i - 1]))
continue;
uaudio_ctl_set(sc, SET_CUR, mc, 0, i);
return (1 << mc->slctrtype[i - 1]);
}
uaudio_ctl_set(sc, SET_CUR, mc, 0, mc->minval);
return (1 << mc->slctrtype[mc->minval - 1]);
}
Static int
audio_attach_mi(device_t dev)
{

2
sys/dev/sound/usb/uaudio.h
View File

@ -46,5 +46,7 @@ void uaudio_chan_set_param_format(device_t dev, u_int32_t format,int dir);
int uaudio_chan_getptr(device_t dev, int);
void uaudio_mixer_set(device_t dev, unsigned type, unsigned left,
unsigned right);
u_int32_t uaudio_mixer_setrecsrc(device_t dev, u_int32_t src);
u_int32_t uaudio_query_mix_info(device_t dev);
u_int32_t uaudio_query_recsrc_info(device_t dev);
void uaudio_query_formats(device_t dev, u_int32_t *pfmt, u_int32_t *rfmt);

9
sys/dev/sound/usb/uaudio_pcm.c
View File

@ -236,6 +236,9 @@ ua_mixer_init(struct snd_mixer *m)
mask = uaudio_query_mix_info(pa_dev);
mix_setdevs(m, mask);
mask = uaudio_query_recsrc_info(pa_dev);
mix_setrecdevs(m, mask);
return 0;
}
@ -254,7 +257,11 @@ ua_mixer_set(struct snd_mixer *m, unsigned type, unsigned left, unsigned right)
static int
ua_mixer_setrecsrc(struct snd_mixer *m, u_int32_t src)
{
return src;
device_t pa_dev;
struct ua_info *ua = mix_getdevinfo(m);
pa_dev = device_get_parent(ua->sc_dev);
return uaudio_mixer_setrecsrc(pa_dev, src);
}
static kobj_method_t ua_mixer_methods[] = {