/* * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * Author: Lennart Augustsson * 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 #if defined(__FreeBSD__) #include #include #endif #include #include #include #if defined(__NetBSD__) #include #include #elif defined(__FreeBSD__) #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 #endif #include #include #include #include #include #include #if defined(__NetBSD__) int uhci_pci_match __P((struct device *, struct cfdata *, void *)); void uhci_pci_attach __P((struct device *, struct device *, void *)); struct cfattach uhci_pci_ca = { sizeof(uhci_softc_t), uhci_pci_match, uhci_pci_attach }; #elif defined(__FreeBSD__) #define PCI_INTERFACE_MASK 0x0000ff00 #define PCI_INTERFACE_SHIFT 8 #define PCI_INTERFACE(d) (((d)>>8)&PCI_INTERFACE_MASK) #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_DEVICEID_PIIX3 0x70208086ul #define PCI_UHCI_DEVICEID_PIIX4 0x71128086ul #define PCI_UHCI_DEVICEID_PIIX4E 0x71128086ul /* no separate step */ #define PCI_UHCI_BASE_REG 0x20 static 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); #endif #if defined(__NetBSD__) int uhci_pci_match(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct pci_attach_args *pa = (struct pci_attach_args *) aux; if (PCI_CLASS(pa->pa_class) == PCI_CLASS_SERIALBUS && PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_SERIALBUS_USB && PCI_INTERFACE(pa->pa_class) == PCI_INTERFACE_UHCI) return 1; return 0; } #elif defined(__FreeBSD__) static char * uhci_pci_probe(pcici_t config_id, pcidi_t device_id) { u_int32_t class; if (device_id == PCI_UHCI_DEVICEID_PIIX3) return ("Intel 82371SB USB Host Controller"); else if (device_id == PCI_UHCI_DEVICEID_PIIX4) return ("Intel 82371AB/EB USB Host Controller"); 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 Host Controller"); } } return NULL; /* dunno... */ } #endif #if defined(__NetBSD__) void uhci_pci_attach(parent, self, aux) struct device *parent; struct device *self; void *aux; { uhci_softc_t *sc = (uhci_softc_t *)self; struct pci_attach_args *pa = (struct pci_attach_args *)aux; pci_chipset_tag_t pc = pa->pa_pc; char const *intrstr; pci_intr_handle_t ih; pcireg_t csr; char *typestr, *vendor; char devinfo[256]; usbd_status r; pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class)); /* Map I/O registers */ if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &sc->iot, &sc->ioh, NULL, NULL)) { printf("%s: can't map i/o space\n", sc->sc_bus.bdev.dv_xname); return; } sc->sc_dmatag = pa->pa_dmat; /* Enable the device. */ csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, csr | PCI_COMMAND_MASTER_ENABLE); /* Map and establish the interrupt. */ if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, pa->pa_intrline, &ih)) { printf("%s: couldn't map interrupt\n", sc->sc_bus.bdev.dv_xname); return; } intrstr = pci_intr_string(pc, ih); sc->sc_ih = pci_intr_establish(pc, ih, IPL_USB, uhci_intr, sc); if (sc->sc_ih == NULL) { printf("%s: couldn't establish interrupt", sc->sc_bus.bdev.dv_xname); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return; } printf("%s: interrupting at %s\n", sc->sc_bus.bdev.dv_xname, intrstr); switch(pci_conf_read(pc, pa->pa_tag, 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("%s: USB version %s\n", sc->sc_bus.bdev.dv_xname, typestr); /* Figure out vendor for root hub descriptor. */ vendor = pci_findvendor(pa->pa_id); if (vendor) strncpy(sc->sc_vendor, vendor, sizeof(sc->sc_vendor)); else sprintf(sc->sc_vendor, "vendor 0x%04x", PCI_VENDOR(pa->pa_id)); r = uhci_init(sc); if (r != USBD_NORMAL_COMPLETION) { printf("%s: init failed, error=%d\n", sc->sc_bus.bdev.dv_xname, r); return; } /* Attach usb device. */ config_found((void *)sc, &sc->sc_bus, usbctlprint); } #elif defined(__FreeBSD__) 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) == 0x8086) sprintf(sc->sc_vendor, "Intel"); else sprintf(sc->sc_vendor, "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) { DEVICE_ERROR(sc->sc_bus.bdev, ("unable to add USB device to root bus\n")); return; } r = uhci_init(sc); if (r != USBD_NORMAL_COMPLETION) { printf("usb%d: init failed, error=%d\n", unit, r); device_delete_child(root_bus, sc->sc_bus.bdev); return; } id = pci_conf_read(config_id, PCI_ID_REG); switch (id) { case PCI_UHCI_DEVICEID_PIIX3: device_set_desc(sc->sc_bus.bdev, "Intel 82371SB USB Host Controller"); break; case PCI_UHCI_DEVICEID_PIIX4: device_set_desc(sc->sc_bus.bdev, "Intel 82371AB/EB USB Host Controller"); break; default: device_set_desc(sc->sc_bus.bdev, "UHCI Host Controller"); } return; } #endif