static void
ohci_pci_attach(device_t parent, device_t self, void *aux)
{
	struct ohci_pci_softc *sc = device_private(self);
	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
	pci_chipset_tag_t pc = pa->pa_pc;
	pcitag_t tag = pa->pa_tag;
	char const *intrstr;
	pci_intr_handle_t ih;
	pcireg_t csr;
	usbd_status r;
	const char *vendor;
	char intrbuf[PCI_INTRSTR_LEN];

	sc->sc.sc_dev = self;
	sc->sc.sc_bus.hci_private = sc;

	if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_NS &&
	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_NS_USB) {
		sc->sc.sc_flags = OHCIF_SUPERIO;
	}

	pci_aprint_devinfo(pa, "USB Controller");

	/* check if memory space access is enabled */
	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
#ifdef DEBUG
	printf("csr: %08x\n", csr);
#endif
	if ((csr & PCI_COMMAND_MEM_ENABLE) == 0) {
		aprint_error_dev(self, "memory access is disabled\n");
		return;
	}

	/* Map I/O registers */
	if (pci_mapreg_map(pa, PCI_CBMEM, PCI_MAPREG_TYPE_MEM, 0,
			   &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
		sc->sc.sc_size = 0;
		aprint_error_dev(self, "can't map mem space\n");
		return;
	}

	/* Disable interrupts, so we don't get any spurious ones. */
	bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE,
			  OHCI_ALL_INTRS);

	sc->sc_pc = pc;
	sc->sc_tag = tag;
	sc->sc.sc_bus.dmatag = pa->pa_dmat;

	/* Enable the device. */
	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG,
		       csr | PCI_COMMAND_MASTER_ENABLE);

	/* Map and establish the interrupt. */
	if (pci_intr_map(pa, &ih)) {
		aprint_error_dev(self, "couldn't map interrupt\n");
		goto fail;
	}

	/*
	 * Allocate IRQ
	 */
	intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
	sc->sc_ih = pci_intr_establish(pc, ih, IPL_SCHED, ohci_intr, sc);
	if (sc->sc_ih == NULL) {
		aprint_error_dev(self, "couldn't establish interrupt");
		if (intrstr != NULL)
			aprint_error(" at %s", intrstr);
		aprint_error("\n");
		goto fail;
	}
	aprint_normal_dev(self, "interrupting at %s\n", intrstr);

	/* Figure out vendor for root hub descriptor. */
	vendor = pci_findvendor(pa->pa_id);
	sc->sc.sc_id_vendor = PCI_VENDOR(pa->pa_id);
	if (vendor)
		strlcpy(sc->sc.sc_vendor, vendor, sizeof(sc->sc.sc_vendor));
	else
		snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
		    "vendor 0x%04x", PCI_VENDOR(pa->pa_id));

	r = ohci_init(&sc->sc);
	if (r != USBD_NORMAL_COMPLETION) {
		aprint_error_dev(self, "init failed, error=%d\n", r);
		goto fail;
	}

#if NEHCI > 0
	usb_pci_add(&sc->sc_pci, pa, self);
#endif

	if (!pmf_device_register1(self, ohci_suspend, ohci_resume,
	                          ohci_shutdown))
		aprint_error_dev(self, "couldn't establish power handler\n");

	/* Attach usb device. */
	sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint);
	return;

fail:
	if (sc->sc_ih) {
		pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
		sc->sc_ih = NULL;
	}
	if (sc->sc.sc_size) {
		bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size);
		sc->sc.sc_size = 0;
	}
	return;
}
Beispiel #2
0
static void
uhci_pci_attach(device_t parent, device_t self, void *aux)
{
	struct uhci_pci_softc *sc = device_private(self);
	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
	pci_chipset_tag_t pc = pa->pa_pc;
	pcitag_t tag = pa->pa_tag;
	char const *intrstr;
	pci_intr_handle_t ih;
	pcireg_t csr;
	usbd_status r;
	int s;
	char intrbuf[PCI_INTRSTR_LEN];

	sc->sc.sc_dev = self;
	sc->sc.sc_bus.hci_private = sc;

	pci_aprint_devinfo(pa, NULL);

	/* Map I/O registers */
	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
			   &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
		aprint_error_dev(self, "can't map i/o space\n");
		return;
	}

	/*
	 * Disable interrupts, so we don't get any spurious ones.
	 * Acknowledge all pending interrupts.
	 */
	bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
	bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_STS,
	    bus_space_read_2(sc->sc.iot, sc->sc.ioh, UHCI_STS));

	sc->sc_pc = pc;
	sc->sc_tag = tag;
	sc->sc.sc_bus.dmatag = pa->pa_dmat;

	/* Enable the device. */
	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG,
		       csr | PCI_COMMAND_MASTER_ENABLE);

	/* Map and establish the interrupt. */
	if (pci_intr_map(pa, &ih)) {
		aprint_error_dev(self, "couldn't map interrupt\n");
		return;
	}
	intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
	sc->sc_ih = pci_intr_establish(pc, ih, IPL_USB, uhci_intr, sc);
	if (sc->sc_ih == NULL) {
		aprint_error_dev(self, "couldn't establish interrupt");
		if (intrstr != NULL)
			aprint_error(" at %s", intrstr);
		aprint_error("\n");
		return;
	}
	aprint_normal_dev(self, "interrupting at %s\n", intrstr);

	/*
	 * Set LEGSUP register to its default value.
	 * This can re-enable or trigger interrupts, so protect against
	 * them and explicitly disable and ACK them afterwards.
	 */
	s = splhardusb();
	pci_conf_write(pc, tag, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN);
	bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
	bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_STS,
	    bus_space_read_2(sc->sc.iot, sc->sc.ioh, UHCI_STS));
	splx(s);

	switch(pci_conf_read(pc, tag, PCI_USBREV) & PCI_USBREV_MASK) {
	case PCI_USBREV_PRE_1_0:
		sc->sc.sc_bus.usbrev = USBREV_PRE_1_0;
		break;
	case PCI_USBREV_1_0:
		sc->sc.sc_bus.usbrev = USBREV_1_0;
		break;
	case PCI_USBREV_1_1:
		sc->sc.sc_bus.usbrev = USBREV_1_1;
		break;
	default:
		sc->sc.sc_bus.usbrev = USBREV_UNKNOWN;
		break;
	}

	/* Figure out vendor for root hub descriptor. */
	sc->sc.sc_id_vendor = PCI_VENDOR(pa->pa_id);
	pci_findvendor(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
	    sc->sc.sc_id_vendor);
	r = uhci_init(&sc->sc);
	if (r != USBD_NORMAL_COMPLETION) {
		aprint_error_dev(self, "init failed, error=%d\n", r);
		return;
	}
	sc->sc_initialized = SC_INIT_UHCI;

#if NEHCI > 0
	usb_pci_add(&sc->sc_pci, pa, self);
#endif

	if (!pmf_device_register(self, uhci_suspend, uhci_pci_resume))
		aprint_error_dev(self, "couldn't establish power handler\n");
	else
		sc->sc_initialized |= SC_INIT_PMF;

	/* Attach usb device. */
	sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint);
}
static void
ohci_pci_attach(device_t parent, device_t self, void *aux)
{
	struct ohci_pci_softc *sc = device_private(self);
	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
	pci_chipset_tag_t pc = pa->pa_pc;
	pcitag_t tag = pa->pa_tag;
	char const *intrstr;
	pci_intr_handle_t ih;
	pcireg_t csr;
	char devinfo[256];
	usbd_status r;
	const char *vendor;
	const char *devname = device_xname(self);

	sc->sc.sc_dev = self;
	sc->sc.sc_bus.hci_private = sc;

	pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
	printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class));

	/* Map I/O registers */
	if (pci_mapreg_map(pa, PCI_CBMEM, PCI_MAPREG_TYPE_MEM, 0,
			   &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
		printf("%s: can't map mem space\n", devname);
		return;
	}

	/* Disable interrupts, so we don't get any spurious ones. */
	bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE,
			  OHCI_ALL_INTRS);

	sc->sc_pc = pc;
	sc->sc_tag = tag;
	sc->sc.sc_bus.dmatag = pa->pa_dmat;

	/* Enable the device. */
	csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG,
		       csr | PCI_COMMAND_MASTER_ENABLE);

	/* Map and establish the interrupt. */
	if (pci_intr_map(pa, &ih)) {
		printf("%s: couldn't map interrupt\n", devname);
		return;
	}
	intrstr = pci_intr_string(pc, ih);
	sc->sc_ih = pci_intr_establish(pc, ih, IPL_USB, ohci_intr, sc);
	if (sc->sc_ih == NULL) {
		printf("%s: couldn't establish interrupt", devname);
		if (intrstr != NULL)
			printf(" at %s", intrstr);
		printf("\n");
		return;
	}
	printf("%s: interrupting at %s\n", devname, intrstr);

	/* Figure out vendor for root hub descriptor. */
	vendor = pci_findvendor(pa->pa_id);
	sc->sc.sc_id_vendor = PCI_VENDOR(pa->pa_id);
	if (vendor)
		strlcpy(sc->sc.sc_vendor, vendor, sizeof(sc->sc.sc_vendor));
	else
		snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
		    "vendor 0x%04x", PCI_VENDOR(pa->pa_id));

	r = ohci_init(&sc->sc);
	if (r != USBD_NORMAL_COMPLETION) {
		printf("%s: init failed, error=%d\n", devname, r);
		return;
	}

#if NEHCI > 0
	usb_pci_add(&sc->sc_pci, pa, self);
#endif

	if (!pmf_device_register1(self, ohci_suspend, ohci_resume,
	                          ohci_shutdown))
		aprint_error_dev(self, "couldn't establish power handler\n");

	/* Attach usb device. */
	sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint);
}