static void
vaudio_attach(device_t parent, device_t self, void *opaque)
{
struct vaudio_softc *sc = device_private(self);
struct thunkbus_attach_args *taa = opaque;
int error;
aprint_naive("\n");
aprint_normal(": Virtual Audio (device = %s)\n", taa->u.vaudio.device);
sc->sc_dev = self;
pmf_device_register1(self, NULL, NULL, vaudio_shutdown);
sc->sc_audiopath = taa->u.vaudio.device;
sc->sc_audiofd = thunk_audio_open(sc->sc_audiopath);
if (sc->sc_audiofd == -1) {
aprint_error_dev(self, "couldn't open audio device: %d\n",
thunk_geterrno());
return;
}
mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
error = auconv_create_encodings(vaudio_audio_formats,
__arraycount(vaudio_audio_formats), &sc->sc_encodings);
if (error) {
aprint_error_dev(self, "couldn't create encodings\n");
return;
}
sc->sc_play.st_softc = sc;
sc->sc_play.st_sih = softint_establish(SOFTINT_SERIAL|SOFTINT_MPSAFE,
vaudio_softintr_play, &sc->sc_play);
callout_init(&sc->sc_play.st_callout, CALLOUT_MPSAFE);
callout_setfunc(&sc->sc_play.st_callout, vaudio_intr, &sc->sc_play);
sc->sc_record.st_softc = sc;
sc->sc_record.st_sih = softint_establish(SOFTINT_SERIAL|SOFTINT_MPSAFE,
vaudio_softintr_record, &sc->sc_record);
callout_init(&sc->sc_record.st_callout, CALLOUT_MPSAFE);
callout_setfunc(&sc->sc_record.st_callout, vaudio_intr, &sc->sc_record);
sc->sc_audiodev = audio_attach_mi(&vaudio_hw_if, sc, self);
}
static
void
cpu_switchto_atomic(lwp_t *oldlwp, lwp_t *newlwp)
{
struct pcb *oldpcb = oldlwp ? lwp_getpcb(oldlwp) : NULL;
struct pcb *newpcb = lwp_getpcb(newlwp);
struct cpu_info *ci = curcpu();
ci->ci_stash = oldlwp;
if (oldpcb)
oldpcb->pcb_errno = thunk_geterrno();
thunk_seterrno(newpcb->pcb_errno);
curlwp = newlwp;
if (thunk_setcontext(&newpcb->pcb_ucp))
panic("setcontext failed");
/* not reached */
}
