static void
bcm2835_plcom_attach(device_t parent, device_t self, void *aux)
{
struct plcom_softc *sc = device_private(self);
struct amba_attach_args *aaa = aux;
void *ih;
sc->sc_dev = self;
sc->sc_frequency = BCM2835_UART0_CLK;
sc->sc_hwflags = PLCOM_HW_TXFIFO_DISABLE;
sc->sc_swflags = 0;
sc->sc_set_mcr = NULL;
sc->sc_set_mcr_arg = NULL;
sc->sc_pi.pi_type = PLCOM_TYPE_PL011;
sc->sc_pi.pi_flags = PLC_FLAG_32BIT_ACCESS;
sc->sc_pi.pi_iot = aaa->aaa_iot;
sc->sc_pi.pi_iobase = aaa->aaa_addr;
if (bus_space_map(aaa->aaa_iot, aaa->aaa_addr, PL011COM_UART_SIZE, 0,
&sc->sc_pi.pi_ioh)) {
aprint_error_dev(sc->sc_dev, "unable to map device\n");
return;
}
plcom_attach_subr(sc);
ih = bcm2835_intr_establish(aaa->aaa_intr, IPL_SERIAL, plcomintr, sc);
if (ih == NULL)
panic("%s: cannot install interrupt handler",
device_xname(sc->sc_dev));
}
struct bcm_dmac_channel *
bcm_dmac_alloc(enum bcm_dmac_type type, int ipl, void (*cb)(void *),
void *cbarg)
{
struct bcm_dmac_softc *sc;
struct bcm_dmac_channel *ch = NULL;
device_t dev;
int index;
dev = device_find_by_driver_unit("bcmdmac", 0);
if (dev == NULL)
return NULL;
sc = device_private(dev);
mutex_enter(&sc->sc_lock);
for (index = 0; index < sc->sc_nchannels; index++) {
if ((sc->sc_channelmask & __BIT(index)) == 0)
continue;
if (DMAC_CHANNEL_TYPE(&sc->sc_channels[index]) != type)
continue;
if (DMAC_CHANNEL_USED(&sc->sc_channels[index]))
continue;
ch = &sc->sc_channels[index];
ch->ch_callback = cb;
ch->ch_callbackarg = cbarg;
break;
}
mutex_exit(&sc->sc_lock);
if (ch == NULL)
return NULL;
KASSERT(ch->ch_ih == NULL);
ch->ch_ih = bcm2835_intr_establish(BCM2835_INT_DMA0 + ch->ch_index,
ipl, bcm_dmac_intr, ch);
if (ch->ch_ih == NULL) {
aprint_error_dev(sc->sc_dev,
"failed to establish interrupt for DMA%d\n", ch->ch_index);
ch->ch_callback = NULL;
ch->ch_callbackarg = NULL;
ch = NULL;
}
return ch;
}
static void
vchiq_defer(device_t self)
{
struct vchiq_attach_args vaa;
struct vchiq_softc *sc = device_private(self);
vchiq_core_initialize();
sc->sc_ih = bcm2835_intr_establish(sc->sc_intr, IPL_VM,
vchiq_intr, sc);
if (sc->sc_ih == NULL) {
aprint_error_dev(self, "failed to establish interrupt %d\n",
sc->sc_intr);
return;
}
vchiq_init();
vaa.vaa_name = "AUDS";
config_found_ia(self, "vchiqbus", &vaa, vchiq_print);
}
