ohci_cardbus.c revision 1.8
1 /* $NetBSD: ohci_cardbus.c,v 1.8 2001/05/09 12:07:01 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 (lennart (at) augustsson.net) 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 53 #include <machine/bus.h> 54 55 #if defined pciinc 56 #include <dev/pci/pcidevs.h> 57 #endif 58 59 #include <dev/cardbus/cardbusvar.h> 60 #include <dev/cardbus/cardbusdevs.h> 61 62 #include <dev/usb/usb.h> 63 #include <dev/usb/usbdi.h> 64 #include <dev/usb/usbdivar.h> 65 #include <dev/usb/usb_mem.h> 66 67 #include <dev/usb/ohcireg.h> 68 #include <dev/usb/ohcivar.h> 69 70 int ohci_cardbus_match(struct device *, struct cfdata *, void *); 71 void ohci_cardbus_attach(struct device *, struct device *, void *); 72 int ohci_cardbus_detach(device_ptr_t, int); 73 74 struct ohci_cardbus_softc { 75 ohci_softc_t sc; 76 cardbus_chipset_tag_t sc_cc; 77 cardbus_function_tag_t sc_cf; 78 cardbus_devfunc_t sc_ct; 79 void *sc_ih; /* interrupt vectoring */ 80 }; 81 82 struct cfattach ohci_cardbus_ca = { 83 sizeof(struct ohci_cardbus_softc), ohci_cardbus_match, 84 ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate 85 }; 86 87 #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI 88 #define CARDBUS_CBMEM PCI_CBMEM 89 #define cardbus_findvendor pci_findvendor 90 #define cardbus_devinfo pci_devinfo 91 92 int 93 ohci_cardbus_match(struct device *parent, struct cfdata *match, void *aux) 94 { 95 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; 96 97 if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS && 98 CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB && 99 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI) 100 return (1); 101 102 return (0); 103 } 104 105 void 106 ohci_cardbus_attach(struct device *parent, struct device *self, void *aux) 107 { 108 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self; 109 struct cardbus_attach_args *ca = aux; 110 cardbus_devfunc_t ct = ca->ca_ct; 111 cardbus_chipset_tag_t cc = ct->ct_cc; 112 cardbus_function_tag_t cf = ct->ct_cf; 113 cardbusreg_t csr; 114 char devinfo[256]; 115 usbd_status r; 116 char *vendor; 117 const char *devname = sc->sc.sc_bus.bdev.dv_xname; 118 119 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo); 120 printf(": %s (rev. 0x%02x)\n", devinfo, 121 CARDBUS_REVISION(ca->ca_class)); 122 123 /* Map I/O registers */ 124 if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0, 125 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) { 126 printf("%s: can't map mem space\n", devname); 127 return; 128 } 129 130 /* Disable interrupts, so we don't can any spurious ones. */ 131 bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE, 132 OHCI_ALL_INTRS); 133 134 sc->sc_cc = cc; 135 sc->sc_cf = cf; 136 sc->sc_ct = ct; 137 sc->sc.sc_bus.dmatag = ca->ca_dmat; 138 139 #if rbus 140 #else 141 XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40); 142 #endif 143 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE); 144 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 145 146 /* Enable the device. */ 147 csr = cardbus_conf_read(cc, cf, ca->ca_tag, 148 CARDBUS_COMMAND_STATUS_REG); 149 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, 150 csr | CARDBUS_COMMAND_MASTER_ENABLE 151 | CARDBUS_COMMAND_MEM_ENABLE); 152 153 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, 154 IPL_USB, ohci_intr, sc); 155 if (sc->sc_ih == NULL) { 156 printf("%s: couldn't establish interrupt\n", devname); 157 return; 158 } 159 printf("%s: interrupting at %d\n", devname, ca->ca_intrline); 160 161 /* Figure out vendor for root hub descriptor. */ 162 vendor = cardbus_findvendor(ca->ca_id); 163 sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id); 164 if (vendor) 165 strncpy(sc->sc.sc_vendor, vendor, 166 sizeof(sc->sc.sc_vendor) - 1); 167 else 168 sprintf(sc->sc.sc_vendor, "vendor 0x%04x", 169 CARDBUS_VENDOR(ca->ca_id)); 170 171 r = ohci_init(&sc->sc); 172 if (r != USBD_NORMAL_COMPLETION) { 173 printf("%s: init failed, error=%d\n", devname, r); 174 175 /* Avoid spurious interrupts. */ 176 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 177 sc->sc_ih = 0; 178 179 return; 180 } 181 182 /* Attach usb device. */ 183 sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus, 184 usbctlprint); 185 } 186 187 int 188 ohci_cardbus_detach(self, flags) 189 device_ptr_t self; 190 int flags; 191 { 192 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self; 193 struct cardbus_devfunc *ct = sc->sc_ct; 194 int rv; 195 196 rv = ohci_detach(&sc->sc, flags); 197 if (rv) 198 return (rv); 199 if (sc->sc_ih != NULL) { 200 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 201 sc->sc_ih = NULL; 202 } 203 if (sc->sc.sc_size) { 204 Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot, 205 sc->sc.ioh, sc->sc.sc_size); 206 sc->sc.sc_size = 0; 207 } 208 return (0); 209 } 210
Indexes created Wed Oct 01 12:09:54 GMT 2025