ohci_cardbus.c revision 1.1
1 /* $NetBSD: ohci_cardbus.c,v 1.1 1999/10/15 11:52:45 augustss 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 #if pccard 60 #include <dev/pccard/cardbusvar.h> 61 #include <dev/pccard/pccardcis.h> 62 #else 63 #include <dev/cardbus/cardbusvar.h> 64 #include <dev/cardbus/cardbusdevs.h> 65 #endif 66 67 #include <dev/usb/usb.h> 68 #include <dev/usb/usbdi.h> 69 #include <dev/usb/usbdivar.h> 70 #include <dev/usb/usb_mem.h> 71 72 #include <dev/usb/ohcireg.h> 73 #include <dev/usb/ohcivar.h> 74 75 int ohci_cardbus_match __P((struct device *, struct cfdata *, void *)); 76 void ohci_cardbus_attach __P((struct device *, struct device *, void *)); 77 int ohci_cardbus_detach __P((device_ptr_t, int)); 78 79 struct ohci_cardbus_softc { 80 ohci_softc_t sc; 81 cardbus_chipset_tag_t sc_cc; 82 cardbus_function_tag_t sc_cf; 83 bus_size_t sc_size; 84 void *sc_ih; /* interrupt vectoring */ 85 }; 86 87 struct cfattach ohci_cardbus_ca = { 88 sizeof(struct ohci_cardbus_softc), ohci_cardbus_match, 89 ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate 90 }; 91 92 #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI 93 #define CARDBUS_CBMEM PCI_CBMEM 94 #define cardbus_findvendor pci_findvendor 95 #define cardbus_devinfo pci_devinfo 96 97 int 98 ohci_cardbus_match(parent, match, aux) 99 struct device *parent; 100 struct cfdata *match; 101 void *aux; 102 { 103 struct cardbus_attach_args *ca = (struct cardbus_attach_args *) aux; 104 105 if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS && 106 CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB && 107 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI) 108 return (1); 109 110 return (0); 111 } 112 113 void 114 ohci_cardbus_attach(parent, self, aux) 115 struct device *parent; 116 struct device *self; 117 void *aux; 118 { 119 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self; 120 struct cardbus_attach_args *ca = aux; 121 cardbus_devfunc_t ct = ca->ca_ct; 122 cardbus_chipset_tag_t cc = ct->ct_cc; 123 cardbus_function_tag_t cf = ct->ct_cf; 124 cardbusreg_t csr; 125 char devinfo[256]; 126 usbd_status r; 127 char *vendor; 128 char *devname = sc->sc.sc_bus.bdev.dv_xname; 129 130 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo); 131 printf(": %s (rev. 0x%02x)\n", devinfo, 132 CARDBUS_REVISION(ca->ca_class)); 133 134 /* Map I/O registers */ 135 if (cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0, 136 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc_size)) { 137 printf("%s: can't map mem space\n", devname); 138 return; 139 } 140 141 /* Disable interrupts, so we don't can any spurious ones. */ 142 bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE, 143 OHCI_ALL_INTRS); 144 145 sc->sc_cc = cc; 146 sc->sc_cf = cf; 147 sc->sc.sc_bus.dmatag = ca->ca_dmat; 148 149 #if rbus 150 #else 151 XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40); 152 #endif 153 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE); 154 155 /* Enable the device. */ 156 csr = cardbus_conf_read(cc, cf, ca->ca_tag, 157 CARDBUS_COMMAND_STATUS_REG); 158 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, 159 csr | CARDBUS_COMMAND_MASTER_ENABLE 160 | CARDBUS_COMMAND_MEM_ENABLE); 161 162 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, 163 IPL_USB, ohci_intr, sc); 164 if (sc->sc_ih == NULL) { 165 printf("%s: couldn't establish interrupt\n", devname); 166 return; 167 } 168 printf("%s: interrupting at %d\n", devname, ca->ca_intrline); 169 170 /* Figure out vendor for root hub descriptor. */ 171 vendor = cardbus_findvendor(ca->ca_id); 172 sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id); 173 if (vendor) 174 strncpy(sc->sc.sc_vendor, vendor, 175 sizeof(sc->sc.sc_vendor) - 1); 176 else 177 sprintf(sc->sc.sc_vendor, "vendor 0x%04x", 178 CARDBUS_VENDOR(ca->ca_id)); 179 180 r = ohci_init(&sc->sc); 181 if (r != USBD_NORMAL_COMPLETION) { 182 printf("%s: init failed, error=%d\n", devname, r); 183 184 /* Avoid spurious interrupts. */ 185 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 186 sc->sc_ih = 0; 187 188 return; 189 } 190 191 /* Attach usb device. */ 192 sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus, 193 usbctlprint); 194 } 195 196 int 197 ohci_cardbus_detach(self, flags) 198 device_ptr_t self; 199 int flags; 200 { 201 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self; 202 int rv; 203 204 rv = ohci_detach(&sc->sc, flags); 205 if (rv) 206 return (rv); 207 if (sc->sc_ih) { 208 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 209 sc->sc_ih = 0; 210 } 211 if (sc->sc_size) { 212 bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc_size); 213 sc->sc_size = 0; 214 } 215 return (0); 216 } 217
Indexes created Wed Oct 01 13:09:50 GMT 2025