/* $FreeBSD$ */ /* * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Lennart Augustsson (augustss@carlstedt.se) at * Carlstedt Research & Technology. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * USB Open Host Controller driver. * * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf */ /* The low level controller code for OHCI has been split into * PCI probes and OHCI specific code. This was done to facilitate the * sharing of code between *BSD's */ #include "opt_bus.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define PCI_OHCI_VENDORID_ALI 0x10b9 #define PCI_OHCI_VENDORID_AMD756 0x1022 #define PCI_OHCI_VENDORID_CMDTECH 0x1095 #define PCI_OHCI_VENDORID_COMPAQ 0x0e11 #define PCI_OHCI_VENDORID_NEC 0x1033 #define PCI_OHCI_VENDORID_OPTI 0x1045 #define PCI_OHCI_VENDORID_SIS 0x1039 #define PCI_OHCI_DEVICEID_ALADDIN_V 0x523710b9 static const char *ohci_device_aladdin_v = "AcerLabs M5237 (Aladdin-V) USB controller"; #define PCI_OHCI_DEVICEID_AMD756 0x740c1022 static const char *ohci_device_amd756 = "AMD-756 USB Controller"; #define PCI_OHCI_DEVICEID_FIRELINK 0xc8611045 static const char *ohci_device_firelink = "OPTi 82C861 (FireLink) USB controller"; #define PCI_OHCI_DEVICEID_NEC 0x00351033 static const char *ohci_device_nec = "NEC uPD 9210 USB controller"; #define PCI_OHCI_DEVICEID_USB0670 0x06701095 static const char *ohci_device_usb0670 = "CMD Tech 670 (USB0670) USB controller"; #define PCI_OHCI_DEVICEID_USB0673 0x06731095 static const char *ohci_device_usb0673 = "CMD Tech 673 (USB0673) USB controller"; static const char *ohci_device_generic = "OHCI (generic) USB controller"; #define PCI_OHCI_BASE_REG 0x10 static const char * ohci_pci_match(device_t self) { u_int32_t device_id = pci_get_devid(self); switch(device_id) { case PCI_OHCI_DEVICEID_ALADDIN_V: return (ohci_device_aladdin_v); case PCI_OHCI_DEVICEID_AMD756: return (ohci_device_amd756); case PCI_OHCI_DEVICEID_USB0670: return (ohci_device_usb0670); case PCI_OHCI_DEVICEID_USB0673: return (ohci_device_usb0673); case PCI_OHCI_DEVICEID_FIRELINK: return (ohci_device_firelink); case PCI_OHCI_DEVICEID_NEC: return (ohci_device_nec); default: if ( pci_get_class(self) == PCIC_SERIALBUS && pci_get_subclass(self) == PCIS_SERIALBUS_USB && pci_get_progif(self) == PCI_INTERFACE_OHCI) { return (ohci_device_generic); } } return NULL; /* dunno */ } static int ohci_pci_probe(device_t self) { const char *desc = ohci_pci_match(self); if (desc) { device_set_desc(self, desc); return 0; } else { return ENXIO; } } static int ohci_pci_attach(device_t self) { device_t parent = device_get_parent(self); ohci_softc_t *sc = device_get_softc(self); int err; int rid; struct resource *io_res, *irq_res; void *ih; int intr; /* XXX where does it say so in the spec? */ sc->sc_bus.usbrev = USBREV_1_0; rid = PCI_CBMEM; io_res = bus_alloc_resource(self, SYS_RES_MEMORY, &rid, 0, ~0, 1, RF_ACTIVE); if (!io_res) { device_printf(self, "could not map memory\n"); return ENXIO; } sc->iot = rman_get_bustag(io_res); sc->ioh = rman_get_bushandle(io_res); rid = 0; irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); if (irq_res == NULL) { device_printf(self, "could not allocate irq\n"); err = ENOMEM; goto bad1; } sc->sc_bus.bdev = device_add_child(self, "usb", -1); if (!sc->sc_bus.bdev) { device_printf(self, "could not add USB device\n"); err = ENOMEM; goto bad2; } device_set_ivars(sc->sc_bus.bdev, sc); switch (pci_get_devid(self)) { case PCI_OHCI_DEVICEID_ALADDIN_V: device_set_desc(sc->sc_bus.bdev, ohci_device_aladdin_v); sprintf(sc->sc_vendor, "AcerLabs"); break; case PCI_OHCI_DEVICEID_AMD756: device_set_desc(sc->sc_bus.bdev, ohci_device_amd756); sprintf(sc->sc_vendor, "AMD"); break; case PCI_OHCI_DEVICEID_FIRELINK: device_set_desc(sc->sc_bus.bdev, ohci_device_firelink); sprintf(sc->sc_vendor, "OPTi"); break; case PCI_OHCI_DEVICEID_NEC: device_set_desc(sc->sc_bus.bdev, ohci_device_nec); sprintf(sc->sc_vendor, "NEC"); break; case PCI_OHCI_DEVICEID_USB0670: device_set_desc(sc->sc_bus.bdev, ohci_device_usb0670); sprintf(sc->sc_vendor, "CMDTECH"); break; case PCI_OHCI_DEVICEID_USB0673: device_set_desc(sc->sc_bus.bdev, ohci_device_usb0673); sprintf(sc->sc_vendor, "CMDTECH"); break; default: if (bootverbose) device_printf(self, "(New OHCI DeviceId=0x%08x)\n", pci_get_devid(self)); device_set_desc(sc->sc_bus.bdev, ohci_device_generic); sprintf(sc->sc_vendor, "(unknown)"); } intr = pci_read_config(self, PCIR_INTLINE, 1); if (intr == 0 || intr == 255) { device_printf(self, "Invalid irq %d\n", intr); device_printf(self, "Please switch on USB support and switch PNP-OS to 'No' in BIOS\n"); err = ENXIO; goto bad3; } err = BUS_SETUP_INTR(parent, self, irq_res, INTR_TYPE_BIO, (driver_intr_t *) ohci_intr, sc, &ih); if (err) { device_printf(self, "could not setup irq, %d\n", err); goto bad3; } err = ohci_init(sc); if (!err) err = device_probe_and_attach(sc->sc_bus.bdev); if (err) { device_printf(self, "USB init failed\n"); err = EIO; goto bad4; } return 0; bad4: /* disable interrupts that might have been switched on * in ohci_init */ bus_space_write_4(sc->iot, sc->ioh, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS); err = BUS_TEARDOWN_INTR(parent, self, irq_res, ih); if (err) /* XXX or should we panic? */ device_printf(self, "could not tear down irq, %d\n", err); bad3: device_delete_child(self, sc->sc_bus.bdev); bad2: bus_release_resource(self, SYS_RES_IOPORT, 0, irq_res); bad1: bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM, io_res); return err; } static device_method_t ohci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ohci_pci_probe), DEVMETHOD(device_attach, ohci_pci_attach), DEVMETHOD(device_shutdown, bus_generic_shutdown), /* Bus interface */ DEVMETHOD(bus_print_child, bus_generic_print_child), { 0, 0 } }; static driver_t ohci_driver = { "ohci", ohci_methods, sizeof(ohci_softc_t), }; static devclass_t ohci_devclass; DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);