ohci_cardbus.c revision 1.2
1 /* $NetBSD: ohci_cardbus.c,v 1.2 1999/10/27 10:04:41 haya Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (augustss (at) carlstedt.se) at 9 * Carlstedt Research & Technology. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * USB Open Host Controller driver. 42 * 43 * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf 44 * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl 45 */ 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/device.h> 51 #include <sys/proc.h> 52 #include <sys/queue.h> 53 54 #include <machine/bus.h> 55 56 #if defined pciinc 57 #include <dev/pci/pcidevs.h> 58 #endif 59 60 #include <dev/cardbus/cardbusvar.h> 61 #include <dev/cardbus/cardbusdevs.h> 62 63 #include <dev/usb/usb.h> 64 #include <dev/usb/usbdi.h> 65 #include <dev/usb/usbdivar.h> 66 #include <dev/usb/usb_mem.h> 67 68 #include <dev/usb/ohcireg.h> 69 #include <dev/usb/ohcivar.h> 70 71 int ohci_cardbus_match __P((struct device *, struct cfdata *, void *)); 72 void ohci_cardbus_attach __P((struct device *, struct device *, void *)); 73 int ohci_cardbus_detach __P((device_ptr_t, int)); 74 75 struct ohci_cardbus_softc { 76 ohci_softc_t sc; 77 cardbus_chipset_tag_t sc_cc; 78 cardbus_function_tag_t sc_cf; 79 bus_size_t sc_size; 80 void *sc_ih; /* interrupt vectoring */ 81 }; 82 83 struct cfattach ohci_cardbus_ca = { 84 sizeof(struct ohci_cardbus_softc), ohci_cardbus_match, 85 ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate 86 }; 87 88 #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI 89 #define CARDBUS_CBMEM PCI_CBMEM 90 #define cardbus_findvendor pci_findvendor 91 #define cardbus_devinfo pci_devinfo 92 93 int 94 ohci_cardbus_match(parent, match, aux) 95 struct device *parent; 96 struct cfdata *match; 97 void *aux; 98 { 99 struct cardbus_attach_args *ca = (struct cardbus_attach_args *) aux; 100 101 if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS && 102 CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB && 103 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI) 104 return (1); 105 106 return (0); 107 } 108 109 void 110 ohci_cardbus_attach(parent, self, aux) 111 struct device *parent; 112 struct device *self; 113 void *aux; 114 { 115 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self; 116 struct cardbus_attach_args *ca = aux; 117 cardbus_devfunc_t ct = ca->ca_ct; 118 cardbus_chipset_tag_t cc = ct->ct_cc; 119 cardbus_function_tag_t cf = ct->ct_cf; 120 cardbusreg_t csr; 121 char devinfo[256]; 122 usbd_status r; 123 char *vendor; 124 char *devname = sc->sc.sc_bus.bdev.dv_xname; 125 126 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo); 127 printf(": %s (rev. 0x%02x)\n", devinfo, 128 CARDBUS_REVISION(ca->ca_class)); 129 130 /* Map I/O registers */ 131 if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0, 132 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc_size)) { 133 printf("%s: can't map mem space\n", devname); 134 return; 135 } 136 137 /* Disable interrupts, so we don't can any spurious ones. */ 138 bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE, 139 OHCI_ALL_INTRS); 140 141 sc->sc_cc = cc; 142 sc->sc_cf = cf; 143 sc->sc.sc_bus.dmatag = ca->ca_dmat; 144 145 #if rbus 146 #else 147 XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40); 148 #endif 149 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE); 150 151 /* Enable the device. */ 152 csr = cardbus_conf_read(cc, cf, ca->ca_tag, 153 CARDBUS_COMMAND_STATUS_REG); 154 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, 155 csr | CARDBUS_COMMAND_MASTER_ENABLE 156 | CARDBUS_COMMAND_MEM_ENABLE); 157 158 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, 159 IPL_USB, ohci_intr, sc); 160 if (sc->sc_ih == NULL) { 161 printf("%s: couldn't establish interrupt\n", devname); 162 return; 163 } 164 printf("%s: interrupting at %d\n", devname, ca->ca_intrline); 165 166 /* Figure out vendor for root hub descriptor. */ 167 vendor = cardbus_findvendor(ca->ca_id); 168 sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id); 169 if (vendor) 170 strncpy(sc->sc.sc_vendor, vendor, 171 sizeof(sc->sc.sc_vendor) - 1); 172 else 173 sprintf(sc->sc.sc_vendor, "vendor 0x%04x", 174 CARDBUS_VENDOR(ca->ca_id)); 175 176 r = ohci_init(&sc->sc); 177 if (r != USBD_NORMAL_COMPLETION) { 178 printf("%s: init failed, error=%d\n", devname, r); 179 180 /* Avoid spurious interrupts. */ 181 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 182 sc->sc_ih = 0; 183 184 return; 185 } 186 187 /* Attach usb device. */ 188 sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus, 189 usbctlprint); 190 } 191 192 int 193 ohci_cardbus_detach(self, flags) 194 device_ptr_t self; 195 int flags; 196 { 197 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self; 198 int rv; 199 200 rv = ohci_detach(&sc->sc, flags); 201 if (rv) 202 return (rv); 203 if (sc->sc_ih) { 204 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 205 sc->sc_ih = 0; 206 } 207 if (sc->sc_size) { 208 bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc_size); 209 sc->sc_size = 0; 210 } 211 return (0); 212 } 213
Indexes created Wed Oct 01 07:09:59 GMT 2025