ohci_cardbus.c revision 1.33
1 /* $NetBSD: ohci_cardbus.c,v 1.33 2010/02/24 19:52:52 dyoung 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * USB Open Host Controller driver. 35 * 36 * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf 37 * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl 38 */ 39 40 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: ohci_cardbus.c,v 1.33 2010/02/24 19:52:52 dyoung Exp $"); 42 43 #include "ehci_cardbus.h" 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/kernel.h> 48 #include <sys/device.h> 49 #include <sys/proc.h> 50 51 #include <sys/bus.h> 52 53 #if defined pciinc 54 #include <dev/pci/pcidevs.h> 55 #endif 56 57 #include <dev/cardbus/cardbusvar.h> 58 #include <dev/pci/pcidevs.h> 59 60 #include <dev/cardbus/usb_cardbus.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(device_t, cfdata_t, void *); 71 void ohci_cardbus_attach(device_t, device_t, void *); 72 int ohci_cardbus_detach(device_t, int); 73 74 struct ohci_cardbus_softc { 75 ohci_softc_t sc; 76 #if NEHCI_CARDBUS > 0 77 struct usb_cardbus sc_cardbus; 78 #endif 79 cardbus_chipset_tag_t sc_cc; 80 cardbus_function_tag_t sc_cf; 81 cardbus_devfunc_t sc_ct; 82 void *sc_ih; /* interrupt vectoring */ 83 }; 84 85 CFATTACH_DECL_NEW(ohci_cardbus, sizeof(struct ohci_cardbus_softc), 86 ohci_cardbus_match, ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate); 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(device_t parent, cfdata_t match, void *aux) 95 { 96 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; 97 98 if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS && 99 CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB && 100 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI) 101 return (1); 102 103 return (0); 104 } 105 106 void 107 ohci_cardbus_attach(device_t parent, device_t self, void *aux) 108 { 109 struct ohci_cardbus_softc *sc = device_private(self); 110 struct cardbus_attach_args *ca = aux; 111 cardbus_devfunc_t ct = ca->ca_ct; 112 cardbus_chipset_tag_t cc = ct->ct_cc; 113 cardbus_function_tag_t cf = ct->ct_cf; 114 pcireg_t csr; 115 char devinfo[256]; 116 usbd_status r; 117 const char *vendor; 118 const char *devname = device_xname(self); 119 120 sc->sc.sc_dev = self; 121 sc->sc.sc_bus.hci_private = sc; 122 123 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo)); 124 printf(": %s (rev. 0x%02x)\n", devinfo, 125 CARDBUS_REVISION(ca->ca_class)); 126 127 /* Map I/O registers */ 128 if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0, 129 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) { 130 printf("%s: can't map mem space\n", devname); 131 return; 132 } 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 /* Disable interrupts, so we don't can any spurious ones. */ 154 bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE, 155 OHCI_ALL_INTRS); 156 157 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, 158 IPL_USB, ohci_intr, sc); 159 if (sc->sc_ih == NULL) { 160 printf("%s: couldn't establish interrupt\n", devname); 161 return; 162 } 163 164 /* Figure out vendor for root hub descriptor. */ 165 vendor = cardbus_findvendor(ca->ca_id); 166 sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id); 167 if (vendor) 168 strlcpy(sc->sc.sc_vendor, vendor, sizeof(sc->sc.sc_vendor)); 169 else 170 snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor), 171 "vendor 0x%04x", CARDBUS_VENDOR(ca->ca_id)); 172 173 r = ohci_init(&sc->sc); 174 if (r != USBD_NORMAL_COMPLETION) { 175 printf("%s: init failed, error=%d\n", devname, r); 176 177 /* Avoid spurious interrupts. */ 178 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 179 sc->sc_ih = 0; 180 181 return; 182 } 183 184 #if NEHCI_CARDBUS > 0 185 usb_cardbus_add(&sc->sc_cardbus, ca, self); 186 #endif 187 188 if (!pmf_device_register1(self, ohci_suspend, ohci_resume, 189 ohci_shutdown)) 190 aprint_error_dev(self, "couldn't establish power handler\n"); 191 192 /* Attach usb device. */ 193 sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint); 194 } 195 196 int 197 ohci_cardbus_detach(device_t self, int flags) 198 { 199 struct ohci_cardbus_softc *sc = device_private(self); 200 struct cardbus_devfunc *ct = sc->sc_ct; 201 int rv; 202 203 rv = ohci_detach(&sc->sc, flags); 204 if (rv) 205 return (rv); 206 if (sc->sc_ih != NULL) { 207 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 208 sc->sc_ih = NULL; 209 } 210 if (sc->sc.sc_size) { 211 Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot, 212 sc->sc.ioh, sc->sc.sc_size); 213 sc->sc.sc_size = 0; 214 } 215 #if NEHCI_CARDBUS > 0 216 usb_cardbus_rem(&sc->sc_cardbus); 217 #endif 218 return (0); 219 } 220
Indexes created Thu Oct 02 10:09:58 GMT 2025