Annotation of sys/dev/cardbus/ehci_cardbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ehci_cardbus.c,v 1.9 2007/05/20 00:52:26 jsg Exp $ */
! 2: /* $NetBSD: ehci_cardbus.c,v 1.6.6.3 2004/09/21 13:27:25 skrll Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Lennart Augustsson (lennart@augustsson.net) at
! 10: * Carlstedt Research & Technology.
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above copyright
! 18: * notice, this list of conditions and the following disclaimer in the
! 19: * documentation and/or other materials provided with the distribution.
! 20: * 3. All advertising materials mentioning features or use of this software
! 21: * must display the following acknowledgement:
! 22: * This product includes software developed by the NetBSD
! 23: * Foundation, Inc. and its contributors.
! 24: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 25: * contributors may be used to endorse or promote products derived
! 26: * from this software without specific prior written permission.
! 27: *
! 28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 38: * POSSIBILITY OF SUCH DAMAGE.
! 39: */
! 40:
! 41: #include <sys/param.h>
! 42: #include <sys/systm.h>
! 43: #include <sys/kernel.h>
! 44: #include <sys/rwlock.h>
! 45: #include <sys/device.h>
! 46: #include <sys/proc.h>
! 47:
! 48: #include <machine/bus.h>
! 49:
! 50: #include <dev/cardbus/cardbusvar.h>
! 51: #include <dev/pci/pcidevs.h>
! 52:
! 53: #include <dev/usb/usb.h>
! 54: #include <dev/usb/usbdi.h>
! 55: #include <dev/usb/usbdivar.h>
! 56: #include <dev/usb/usb_mem.h>
! 57:
! 58: #include <dev/usb/ehcireg.h>
! 59: #include <dev/usb/ehcivar.h>
! 60:
! 61: #ifdef EHCI_DEBUG
! 62: #define DPRINTF(x) if (ehcidebug) printf x
! 63: extern int ehcidebug;
! 64: #else
! 65: #define DPRINTF(x)
! 66: #endif
! 67:
! 68:
! 69: int ehci_cardbus_match(struct device *, void *, void *);
! 70: void ehci_cardbus_attach(struct device *, struct device *, void *);
! 71: int ehci_cardbus_detach(struct device *, int);
! 72:
! 73: struct ehci_cardbus_softc {
! 74: ehci_softc_t sc;
! 75: cardbus_chipset_tag_t sc_cc;
! 76: cardbus_function_tag_t sc_cf;
! 77: cardbus_devfunc_t sc_ct;
! 78: void *sc_ih; /* interrupt vectoring */
! 79: };
! 80:
! 81: struct cfattach ehci_cardbus_ca = {
! 82: sizeof(struct ehci_cardbus_softc), ehci_cardbus_match,
! 83: ehci_cardbus_attach, ehci_cardbus_detach, ehci_activate
! 84: };
! 85:
! 86: #define CARDBUS_INTERFACE_EHCI PCI_INTERFACE_EHCI
! 87: #define CARDBUS_CBMEM PCI_CBMEM
! 88: #define cardbus_findvendor pci_findvendor
! 89: #define cardbus_devinfo pci_devinfo
! 90:
! 91: int
! 92: ehci_cardbus_match(struct device *parent, void *match, void *aux)
! 93: {
! 94: struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux;
! 95:
! 96: if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS &&
! 97: CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB &&
! 98: CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_EHCI)
! 99: return (1);
! 100:
! 101: return (0);
! 102: }
! 103:
! 104: void
! 105: ehci_cardbus_attach(struct device *parent, struct device *self, void *aux)
! 106: {
! 107: struct ehci_cardbus_softc *sc = (struct ehci_cardbus_softc *)self;
! 108: struct cardbus_attach_args *ca = aux;
! 109: cardbus_devfunc_t ct = ca->ca_ct;
! 110: cardbus_chipset_tag_t cc = ct->ct_cc;
! 111: cardbus_function_tag_t cf = ct->ct_cf;
! 112: cardbusreg_t csr;
! 113: char devinfo[256];
! 114: usbd_status r;
! 115: const char *vendor;
! 116: const char *devname = sc->sc.sc_bus.bdev.dv_xname;
! 117:
! 118: cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
! 119: printf(" %s", devinfo);
! 120:
! 121: /* Map I/O registers */
! 122: if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0,
! 123: &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
! 124: printf("%s: can't map mem space\n", devname);
! 125: return;
! 126: }
! 127:
! 128: sc->sc_cc = cc;
! 129: sc->sc_cf = cf;
! 130: sc->sc_ct = ct;
! 131: sc->sc.sc_bus.dmatag = ca->ca_dmat;
! 132:
! 133: (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
! 134: (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
! 135:
! 136: /* Enable the device. */
! 137: csr = cardbus_conf_read(cc, cf, ca->ca_tag,
! 138: CARDBUS_COMMAND_STATUS_REG);
! 139: cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG,
! 140: csr | CARDBUS_COMMAND_MASTER_ENABLE
! 141: | CARDBUS_COMMAND_MEM_ENABLE);
! 142:
! 143: /* Disable interrupts, so we don't get any spurious ones. */
! 144: sc->sc.sc_offs = EREAD1(&sc->sc, EHCI_CAPLENGTH);
! 145: DPRINTF((": offs=%d", devname, sc->sc.sc_offs));
! 146: EOWRITE2(&sc->sc, EHCI_USBINTR, 0);
! 147:
! 148: sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline,
! 149: IPL_USB, ehci_intr, sc, devname);
! 150: if (sc->sc_ih == NULL) {
! 151: printf(": unable to establish interrupt\n");
! 152: return;
! 153: }
! 154: printf(": irq %d\n", ca->ca_intrline);
! 155:
! 156: /* Figure out vendor for root hub descriptor. */
! 157: vendor = cardbus_findvendor(ca->ca_id);
! 158: sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id);
! 159: if (vendor)
! 160: strlcpy(sc->sc.sc_vendor, vendor, sizeof(sc->sc.sc_vendor));
! 161: else
! 162: snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
! 163: "vendor 0x%04x", CARDBUS_VENDOR(ca->ca_id));
! 164:
! 165: r = ehci_init(&sc->sc);
! 166: if (r != USBD_NORMAL_COMPLETION) {
! 167: printf("%s: init failed, error=%d\n", devname, r);
! 168:
! 169: /* Avoid spurious interrupts. */
! 170: cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
! 171: sc->sc_ih = NULL;
! 172:
! 173: return;
! 174: }
! 175:
! 176: sc->sc.sc_shutdownhook = shutdownhook_establish(ehci_shutdown, &sc->sc);
! 177:
! 178: /* Attach usb device. */
! 179: sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus,
! 180: usbctlprint);
! 181: }
! 182:
! 183: int
! 184: ehci_cardbus_detach(struct device *self, int flags)
! 185: {
! 186: struct ehci_cardbus_softc *sc = (struct ehci_cardbus_softc *)self;
! 187: struct cardbus_devfunc *ct = sc->sc_ct;
! 188: int rv;
! 189:
! 190: rv = ehci_detach(&sc->sc, flags);
! 191: if (rv)
! 192: return (rv);
! 193: if (sc->sc_ih != NULL) {
! 194: cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih);
! 195: sc->sc_ih = NULL;
! 196: }
! 197: if (sc->sc.sc_size) {
! 198: Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot,
! 199: sc->sc.ioh, sc->sc.sc_size);
! 200: sc->sc.sc_size = 0;
! 201: }
! 202: return (0);
! 203: }
! 204:
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to ehci_cardbus.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / dev / cardbus