static int
exynos_xhci_detach(device_t dev)
{
struct exynos_xhci_softc *esc = device_get_softc(dev);
int err;
/* During module unload there are lots of children leftover */
device_delete_children(dev);
xhci_halt_controller(&esc->base);
if (esc->res[2] && esc->base.sc_intr_hdl) {
err = bus_teardown_intr(dev, esc->res[2],
esc->base.sc_intr_hdl);
if (err) {
device_printf(dev, "Could not tear down IRQ,"
" %d\n", err);
return (err);
}
}
bus_release_resources(dev, exynos_xhci_spec, esc->res);
xhci_uninit(&esc->base);
return (0);
}
static int
xhci_pci_detach(device_t self)
{
struct xhci_softc *sc = device_get_softc(self);
device_t bdev;
if (sc->sc_bus.bdev != NULL) {
bdev = sc->sc_bus.bdev;
device_detach(bdev);
device_delete_child(self, bdev);
}
/* during module unload there are lots of children leftover */
device_delete_children(self);
if (sc->sc_io_res) {
usb_callout_drain(&sc->sc_callout);
xhci_halt_controller(sc);
}
pci_disable_busmaster(self);
if (sc->sc_irq_res && sc->sc_intr_hdl) {
bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
sc->sc_intr_hdl = NULL;
}
if (sc->sc_irq_res) {
if (sc->sc_irq_rid == 1)
pci_release_msi(self);
bus_release_resource(self, SYS_RES_IRQ, sc->sc_irq_rid,
sc->sc_irq_res);
sc->sc_irq_res = NULL;
}
if (sc->sc_io_res) {
bus_release_resource(self, SYS_RES_MEMORY, PCI_XHCI_CBMEM,
sc->sc_io_res);
sc->sc_io_res = NULL;
}
xhci_uninit(sc);
return (0);
}
static int
tegra_xhci_detach(device_t dev)
{
struct tegra_xhci_softc *sc;
struct xhci_softc *xsc;
sc = device_get_softc(dev);
xsc = &sc->xhci_softc;
/* during module unload there are lots of children leftover */
device_delete_children(dev);
if (sc->xhci_inited) {
usb_callout_drain(&xsc->sc_callout);
xhci_halt_controller(xsc);
}
if (xsc->sc_irq_res && xsc->sc_intr_hdl) {
bus_teardown_intr(dev, xsc->sc_irq_res, xsc->sc_intr_hdl);
xsc->sc_intr_hdl = NULL;
}
if (xsc->sc_irq_res) {
bus_release_resource(dev, SYS_RES_IRQ,
rman_get_rid(xsc->sc_irq_res), xsc->sc_irq_res);
xsc->sc_irq_res = NULL;
}
if (xsc->sc_io_res != NULL) {
bus_release_resource(dev, SYS_RES_MEMORY,
rman_get_rid(xsc->sc_io_res), xsc->sc_io_res);
xsc->sc_io_res = NULL;
}
if (sc->xhci_inited)
xhci_uninit(xsc);
if (sc->irq_hdl_mbox != NULL)
bus_teardown_intr(dev, sc->irq_res_mbox, sc->irq_hdl_mbox);
if (sc->fw_vaddr != 0)
kmem_free(kernel_arena, sc->fw_vaddr, sc->fw_size);
LOCK_DESTROY(sc);
return (0);
}
static int
xhci_pci_attach(device_t self)
{
struct xhci_softc *sc = device_get_softc(self);
int err;
int rid;
/* XXX check for 64-bit capability */
if (xhci_init(sc, self)) {
device_printf(self, "Could not initialize softc\n");
goto error;
}
pci_enable_busmaster(self);
rid = PCI_XHCI_CBMEM;
sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (!sc->sc_io_res) {
device_printf(self, "Could not map memory\n");
goto error;
}
sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
sc->sc_io_size = rman_get_size(sc->sc_io_res);
rid = 0;
sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
RF_SHAREABLE | RF_ACTIVE);
if (sc->sc_irq_res == NULL) {
device_printf(self, "Could not allocate IRQ\n");
goto error;
}
sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
if (sc->sc_bus.bdev == NULL) {
device_printf(self, "Could not add USB device\n");
goto error;
}
device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
ksprintf(sc->sc_vendor, "0x%04x", pci_get_vendor(self));
err = bus_setup_intr(self, sc->sc_irq_res, INTR_MPSAFE,
(driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl, NULL);
if (err) {
device_printf(self, "Could not setup IRQ, err=%d\n", err);
sc->sc_intr_hdl = NULL;
goto error;
}
xhci_pci_take_controller(self);
err = xhci_halt_controller(sc);
if (err == 0)
err = xhci_start_controller(sc);
if (err == 0)
err = device_probe_and_attach(sc->sc_bus.bdev);
if (err) {
device_printf(self, "XHCI halt/start/probe failed err=%d\n", err);
goto error;
}
return (0);
error:
xhci_pci_detach(self);
return (ENXIO);
}
static int
xhci_pci_attach(device_t self)
{
struct xhci_softc *sc = device_get_softc(self);
int count, err, rid;
uint8_t usedma32;
rid = PCI_XHCI_CBMEM;
sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (!sc->sc_io_res) {
device_printf(self, "Could not map memory\n");
return (ENOMEM);
}
sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
sc->sc_io_size = rman_get_size(sc->sc_io_res);
/* check for USB 3.0 controllers which don't support 64-bit DMA */
switch (pci_get_devid(self)) {
case 0x01941033: /* NEC uPD720200 USB 3.0 controller */
case 0x00141912: /* NEC uPD720201 USB 3.0 controller */
case 0x78141022: /* AMD A10-7300, tested does not work w/64-bit DMA */
usedma32 = 1;
break;
default:
usedma32 = 0;
break;
}
if (xhci_init(sc, self, usedma32)) {
device_printf(self, "Could not initialize softc\n");
bus_release_resource(self, SYS_RES_MEMORY, PCI_XHCI_CBMEM,
sc->sc_io_res);
return (ENXIO);
}
pci_enable_busmaster(self);
usb_callout_init_mtx(&sc->sc_callout, &sc->sc_bus.bus_lock, 0);
rid = 0;
if (xhci_use_msi) {
count = pci_msi_count(self);
if (count >= 1) {
count = 1;
if (pci_alloc_msi(self, &rid, 1, count) == 0) {
if (bootverbose)
device_printf(self, "MSI enabled\n");
sc->sc_irq_rid = 1;
}
}
}
/*
* hw.usb.xhci.use_polling=1 to force polling.
*/
if (xhci_use_polling() == 0) {
sc->sc_irq_res = bus_alloc_resource_any(
self, SYS_RES_IRQ,
&sc->sc_irq_rid,
RF_SHAREABLE | RF_ACTIVE);
if (sc->sc_irq_res == NULL) {
pci_release_msi(self);
device_printf(self, "Could not allocate IRQ\n");
/* goto error; FALLTHROUGH - use polling */
}
}
sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
if (sc->sc_bus.bdev == NULL) {
device_printf(self, "Could not add USB device\n");
goto error;
}
device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
ksprintf(sc->sc_vendor, "0x%04x", pci_get_vendor(self));
if (sc->sc_irq_res != NULL) {
err = bus_setup_intr(self, sc->sc_irq_res, INTR_MPSAFE,
(driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl, NULL);
if (err != 0) {
bus_release_resource(self, SYS_RES_IRQ,
rman_get_rid(sc->sc_irq_res), sc->sc_irq_res);
sc->sc_irq_res = NULL;
pci_release_msi(self);
device_printf(self, "Could not setup IRQ, err=%d\n", err);
sc->sc_intr_hdl = NULL;
}
}
if (sc->sc_irq_res == NULL || sc->sc_intr_hdl == NULL) {
if (xhci_use_polling() != 0) {
device_printf(self, "Interrupt polling at %dHz\n", hz);
USB_BUS_LOCK(&sc->sc_bus);
xhci_interrupt_poll(sc);
USB_BUS_UNLOCK(&sc->sc_bus);
} else
goto error;
}
/* On Intel chipsets reroute ports from EHCI to XHCI controller. */
switch (pci_get_devid(self)) {
case 0x0f358086: /* BayTrail */
case 0x9c318086: /* Panther Point */
case 0x1e318086: /* Panther Point */
case 0x8c318086: /* Lynx Point */
case 0x8cb18086: /* Wildcat Point */
case 0x9cb18086: /* Wildcat Point-LP */
sc->sc_port_route = &xhci_pci_port_route;
sc->sc_imod_default = XHCI_IMOD_DEFAULT_LP;
break;
default:
break;
}
xhci_pci_take_controller(self);
err = xhci_halt_controller(sc);
if (err == 0)
err = xhci_start_controller(sc);
if (err == 0)
err = device_probe_and_attach(sc->sc_bus.bdev);
if (err) {
device_printf(self, "XHCI halt/start/probe failed err=%d\n", err);
goto error;
}
return (0);
error:
xhci_pci_detach(self);
return (ENXIO);
}
static int
xhci_pci_attach(device_t self)
{
struct xhci_softc *sc = device_get_softc(self);
int count, err, rid;
/* XXX check for 64-bit capability */
if (xhci_init(sc, self)) {
device_printf(self, "Could not initialize softc\n");
goto error;
}
pci_enable_busmaster(self);
rid = PCI_XHCI_CBMEM;
sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (!sc->sc_io_res) {
device_printf(self, "Could not map memory\n");
goto error;
}
sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
sc->sc_io_size = rman_get_size(sc->sc_io_res);
usb_callout_init_mtx(&sc->sc_callout, &sc->sc_bus.bus_mtx, 0);
sc->sc_irq_rid = 0;
if (xhci_use_msi) {
count = pci_msi_count(self);
if (count >= 1) {
count = 1;
if (pci_alloc_msi(self, &count) == 0) {
if (bootverbose)
device_printf(self, "MSI enabled\n");
sc->sc_irq_rid = 1;
}
}
}
sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ,
&sc->sc_irq_rid, RF_SHAREABLE | RF_ACTIVE);
if (sc->sc_irq_res == NULL) {
device_printf(self, "Could not allocate IRQ\n");
/* goto error; FALLTHROUGH - use polling */
}
sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
if (sc->sc_bus.bdev == NULL) {
device_printf(self, "Could not add USB device\n");
goto error;
}
device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
sprintf(sc->sc_vendor, "0x%04x", pci_get_vendor(self));
if (sc->sc_irq_res != NULL) {
err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl);
if (err != 0) {
device_printf(self, "Could not setup IRQ, err=%d\n", err);
sc->sc_intr_hdl = NULL;
}
}
if (sc->sc_irq_res == NULL || sc->sc_intr_hdl == NULL ||
xhci_use_polling() != 0) {
device_printf(self, "Interrupt polling at %dHz\n", hz);
USB_BUS_LOCK(&sc->sc_bus);
xhci_interrupt_poll(sc);
USB_BUS_UNLOCK(&sc->sc_bus);
}
/* On Intel chipsets reroute ports from EHCI to XHCI controller. */
switch (pci_get_devid(self)) {
case 0x9c318086: /* Panther Point */
case 0x1e318086: /* Panther Point */
case 0x8c318086: /* Lynx Point */
sc->sc_port_route = &xhci_pci_port_route;
sc->sc_imod_default = XHCI_IMOD_DEFAULT_LP;
break;
default:
break;
}
xhci_pci_take_controller(self);
err = xhci_halt_controller(sc);
if (err == 0)
err = xhci_start_controller(sc);
if (err == 0)
err = device_probe_and_attach(sc->sc_bus.bdev);
if (err) {
device_printf(self, "XHCI halt/start/probe failed err=%d\n", err);
goto error;
}
return (0);
error:
xhci_pci_detach(self);
return (ENXIO);
}
static int
xhci_pci_attach(device_t self)
{
struct xhci_softc *sc = device_get_softc(self);
int count, err, rid;
uint8_t usedma32;
rid = PCI_XHCI_CBMEM;
sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (!sc->sc_io_res) {
device_printf(self, "Could not map memory\n");
return (ENOMEM);
}
sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
sc->sc_io_size = rman_get_size(sc->sc_io_res);
switch (pci_get_devid(self)) {
case 0x01941033: /* NEC uPD720200 USB 3.0 controller */
/* Don't use 64-bit DMA on these controllers. */
usedma32 = 1;
break;
case 0x0f358086: /* BayTrail */
case 0x9c318086: /* Panther Point */
case 0x1e318086: /* Panther Point */
case 0x8c318086: /* Lynx Point */
case 0x8cb18086: /* Wildcat Point */
/*
* On Intel chipsets, reroute ports from EHCI to XHCI
* controller and use a different IMOD value.
*/
sc->sc_port_route = &xhci_pci_port_route;
sc->sc_imod_default = XHCI_IMOD_DEFAULT_LP;
/* FALLTHROUGH */
default:
usedma32 = 0;
break;
}
if (xhci_init(sc, self, usedma32)) {
device_printf(self, "Could not initialize softc\n");
bus_release_resource(self, SYS_RES_MEMORY, PCI_XHCI_CBMEM,
sc->sc_io_res);
return (ENXIO);
}
pci_enable_busmaster(self);
usb_callout_init_mtx(&sc->sc_callout, &sc->sc_bus.bus_mtx, 0);
rid = 0;
if (xhci_use_msi) {
count = 1;
if (pci_alloc_msi(self, &count) == 0) {
if (bootverbose)
device_printf(self, "MSI enabled\n");
rid = 1;
}
}
sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
RF_ACTIVE | (rid != 0 ? 0 : RF_SHAREABLE));
if (sc->sc_irq_res == NULL) {
pci_release_msi(self);
device_printf(self, "Could not allocate IRQ\n");
/* goto error; FALLTHROUGH - use polling */
}
sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
if (sc->sc_bus.bdev == NULL) {
device_printf(self, "Could not add USB device\n");
goto error;
}
device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
sprintf(sc->sc_vendor, "0x%04x", pci_get_vendor(self));
if (sc->sc_irq_res != NULL) {
err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl);
if (err != 0) {
bus_release_resource(self, SYS_RES_IRQ,
rman_get_rid(sc->sc_irq_res), sc->sc_irq_res);
sc->sc_irq_res = NULL;
pci_release_msi(self);
device_printf(self, "Could not setup IRQ, err=%d\n", err);
sc->sc_intr_hdl = NULL;
}
}
if (sc->sc_irq_res == NULL || sc->sc_intr_hdl == NULL) {
if (xhci_use_polling() != 0) {
device_printf(self, "Interrupt polling at %dHz\n", hz);
USB_BUS_LOCK(&sc->sc_bus);
xhci_interrupt_poll(sc);
USB_BUS_UNLOCK(&sc->sc_bus);
} else
goto error;
}
xhci_pci_take_controller(self);
err = xhci_halt_controller(sc);
if (err == 0)
err = xhci_start_controller(sc);
if (err == 0)
err = device_probe_and_attach(sc->sc_bus.bdev);
if (err) {
device_printf(self, "XHCI halt/start/probe failed err=%d\n", err);
goto error;
}
return (0);
error:
xhci_pci_detach(self);
return (ENXIO);
}
static int
exynos_xhci_attach(device_t dev)
{
struct exynos_xhci_softc *esc = device_get_softc(dev);
bus_space_handle_t bsh;
int err;
esc->dev = dev;
if (bus_alloc_resources(dev, exynos_xhci_spec, esc->res)) {
device_printf(dev, "could not allocate resources\n");
return (ENXIO);
}
/* XHCI registers */
esc->base.sc_io_tag = rman_get_bustag(esc->res[0]);
bsh = rman_get_bushandle(esc->res[0]);
esc->base.sc_io_size = rman_get_size(esc->res[0]);
/* DWC3 ctrl registers */
esc->bst = rman_get_bustag(esc->res[1]);
esc->bsh = rman_get_bushandle(esc->res[1]);
/*
* Set handle to USB related registers subregion used by
* generic XHCI driver.
*/
err = bus_space_subregion(esc->base.sc_io_tag, bsh, 0x0,
esc->base.sc_io_size, &esc->base.sc_io_hdl);
if (err != 0) {
device_printf(dev, "Subregion failed\n");
bus_release_resources(dev, exynos_xhci_spec, esc->res);
return (ENXIO);
}
if (xhci_init(&esc->base, dev, 0)) {
device_printf(dev, "Could not initialize softc\n");
bus_release_resources(dev, exynos_xhci_spec, esc->res);
return (ENXIO);
}
/* Setup interrupt handler */
err = bus_setup_intr(dev, esc->res[2], INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)xhci_interrupt, &esc->base,
&esc->base.sc_intr_hdl);
if (err) {
device_printf(dev, "Could not setup irq, %d\n", err);
esc->base.sc_intr_hdl = NULL;
goto error;
}
/* Add USB device */
esc->base.sc_bus.bdev = device_add_child(dev, "usbus", -1);
if (esc->base.sc_bus.bdev == NULL) {
device_printf(dev, "Could not add USB device\n");
goto error;
}
device_set_ivars(esc->base.sc_bus.bdev, &esc->base.sc_bus);
strlcpy(esc->base.sc_vendor, "Samsung", sizeof(esc->base.sc_vendor));
dwc3_init(esc);
err = xhci_halt_controller(&esc->base);
if (err == 0) {
device_printf(dev, "Starting controller\n");
err = xhci_start_controller(&esc->base);
}
if (err == 0) {
device_printf(dev, "Controller started\n");
err = device_probe_and_attach(esc->base.sc_bus.bdev);
}
if (err != 0)
goto error;
return (0);
error:
exynos_xhci_detach(dev);
return (ENXIO);
}
