int
pxa2x0_i2s_halt_input(void *hdl)
{
struct pxa2x0_i2s_softc *sc = hdl;
if (sc->sc_rxdma) {
pxa2x0_dmac_abort_xfer(sc->sc_rxdma->dx);
sc->sc_rxdma = NULL;
}
return 0;
}
int
pxa2x0_i2s_halt_input(void *hdl)
{
struct pxa2x0_i2s_softc *sc = hdl;
int s;
s = splaudio();
if (sc->sc_rxdma) {
pxa2x0_dmac_abort_xfer(sc->sc_rxdma->dx);
sc->sc_rxdma = NULL;
}
splx(s);
return 0;
}
void
pxa2x0_i2s_freem(void *hdl, void *ptr, size_t size)
{
struct pxa2x0_i2s_softc *sc = hdl;
struct pxa2x0_i2s_dma **pp, *p;
for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
if (p->addr == ptr) {
pxa2x0_dmac_abort_xfer(p->dx);
pxa2x0_dmac_free_xfer(p->dx);
p->segs[0].ds_len = p->size; /* XXX */
bus_dmamap_unload(sc->sc_dmat, p->map);
bus_dmamap_destroy(sc->sc_dmat, p->map);
bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
*pp = p->next;
kmem_free(p, sizeof(*p));
return;
}
}
panic("pxa2x0_i2s_freem: trying to free unallocated memory");
}
