/* FreeBSD $Id: uhci_pci.c,v 1.6 1999/01/06 12:31:28 n_hibma Exp $ */ /* * 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. */ #include #include #include #include #include #include #include #include #include #include #define PCI_CLASS_SERIALBUS 0x0c000000 #define PCI_SUBCLASS_COMMUNICATIONS_SERIAL 0x00000000 #define PCI_SUBCLASS_SERIALBUS_FIREWIRE 0x00000000 #define PCI_SUBCLASS_SERIALBUS_ACCESS 0x00010000 #define PCI_SUBCLASS_SERIALBUS_SSA 0x00020000 #define PCI_SUBCLASS_SERIALBUS_USB 0x00030000 #define PCI_SUBCLASS_SERIALBUS_FIBER 0x00040000 #include #include #include #include #include #include #define PCI_INTERFACE(d) (((d)>>8)&0xff) #define PCI_SUBCLASS(d) ((d)&PCI_SUBCLASS_MASK) #define PCI_CLASS(d) ((d)&PCI_CLASS_MASK) #define PCI_VENDOR(d) ((d)&0xffff) #define PCI_DEVICE(d) (((d)>>8)&0xffff) #define PCI_UHCI_VENDORID_INTEL 0x8086 #define PCI_UHCI_VENDORID_VIA 0x1106 #define PCI_UHCI_DEVICEID_PIIX3 0x70208086ul static const char *uhci_device_piix3 = "Intel 82371SB USB Host Controller"; #define PCI_UHCI_DEVICEID_PIIX4 0x71128086ul #define PCI_UHCI_DEVICEID_PIIX4E 0x71128086ul /* no separate step */ static const char *uhci_device_piix4 = "Intel 82371AB/EB USB Host Controller"; #define PCI_UHCI_DEVICEID_VT83C572 0x30381106ul static const char *uhci_device_vt83c572 = "VIA 83C572 USB Host Controller"; static const char *uhci_device_generic = "UHCI USB Controller (generic)"; #define PCI_UHCI_BASE_REG 0x20 static const char *uhci_pci_probe __P((pcici_t, pcidi_t)); static void uhci_pci_attach __P((pcici_t, int)); u_long uhci_count = 0; /* global counter for nr. of devices found */ static struct pci_device uhci_pci_device = { "uhci", uhci_pci_probe, uhci_pci_attach, &uhci_count, NULL }; DATA_SET(pcidevice_set, uhci_pci_device); static const char * uhci_pci_probe(pcici_t config_id, pcidi_t device_id) { u_int32_t class; if (device_id == PCI_UHCI_DEVICEID_PIIX3) { return (uhci_device_piix3); } else if (device_id == PCI_UHCI_DEVICEID_PIIX4) { return (uhci_device_piix4); } else if (device_id == PCI_UHCI_DEVICEID_VT83C572) { return (uhci_device_vt83c572); } else { class = pci_conf_read(config_id, PCI_CLASS_REG); if ( PCI_CLASS(class) == PCI_CLASS_SERIALBUS && PCI_SUBCLASS(class) == PCI_SUBCLASS_SERIALBUS_USB && PCI_INTERFACE(class) == PCI_INTERFACE_UHCI) { return (uhci_device_generic); } } return NULL; /* dunno... */ } static void uhci_pci_attach(pcici_t config_id, int unit) { int id; char *typestr; usbd_status r; uhci_softc_t *sc = NULL; sc = malloc(sizeof(uhci_softc_t), M_DEVBUF, M_NOWAIT); /* Do not free it below, intr might use the sc */ if ( sc == NULL ) { printf("usb%d: could not allocate memory", unit); return; } memset(sc, 0, sizeof(uhci_softc_t)); sc->sc_iobase = pci_conf_read(config_id,PCI_UHCI_BASE_REG) & 0xffe0; sc->unit = unit; if ( !pci_map_int(config_id, (pci_inthand_t *)uhci_intr, (void *) sc, &bio_imask)) { printf("usb%d: Unable to map irq\n", unit); return; } #ifndef USBVERBOSE if (bootverbose) #endif { switch(pci_conf_read(config_id, PCI_USBREV) & PCI_USBREV_MASK) { case PCI_USBREV_PRE_1_0: typestr = "pre 1.0"; break; case PCI_USBREV_1_0: typestr = "1.0"; break; default: typestr = "unknown"; break; } printf("usb%d: USB version %s, interrupting at %d\n", unit, typestr, (int)pci_conf_read(config_id,PCI_INTERRUPT_REG) & 0xff); } /* Figure out vendor for root hub descriptor. */ id = pci_conf_read(config_id, PCI_ID_REG); if (PCI_VENDOR(id) == PCI_UHCI_VENDORID_INTEL) sprintf(sc->sc_vendor, "Intel"); else if (PCI_VENDOR(id) == PCI_UHCI_VENDORID_VIA) sprintf(sc->sc_vendor, "VIA"); else sprintf(sc->sc_vendor, "(0x%04x)", PCI_VENDOR(id)); /* We add a child to the root bus. After PCI configuration * has completed the root bus will start to probe and * attach all the devices attached to it, including our new * kid. * * FIXME Sometime in the future the UHCI controller itself will * become a kid of PCI device and this device add will no longer * be necessary. * * See README for an elaborate description of the bus * structure in spe. */ sc->sc_bus.bdev = device_add_child(root_bus, "usb", unit, sc); if (!sc->sc_bus.bdev) { printf("%s%d: unable to add USB device to root bus\n", device_get_name(sc->sc_bus.bdev), device_get_unit(sc->sc_bus.bdev)); return; } r = uhci_init(sc); if (r != USBD_NORMAL_COMPLETION) { printf("%s%d: init failed, error=%d\n", device_get_name(sc->sc_bus.bdev), device_get_unit(sc->sc_bus.bdev), r); device_delete_child(root_bus, sc->sc_bus.bdev); return; } switch (id) { case PCI_UHCI_DEVICEID_PIIX3: device_set_desc(sc->sc_bus.bdev, uhci_device_piix3); break; case PCI_UHCI_DEVICEID_PIIX4: device_set_desc(sc->sc_bus.bdev, uhci_device_piix4); break; case PCI_UHCI_DEVICEID_VT83C572: device_set_desc(sc->sc_bus.bdev, uhci_device_vt83c572); break; default: printf("(New UHCI DeviceId=0x%08x)\n", id); device_set_desc(sc->sc_bus.bdev, uhci_device_generic); } return; }