uhci_cardbus.c revision 1.14
1 /* $NetBSD: uhci_cardbus.c,v 1.14 2010/02/24 19:52:52 dyoung Exp $ */ 2 3 /* 4 * Copyright (c) 1998-2005 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 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: uhci_cardbus.c,v 1.14 2010/02/24 19:52:52 dyoung Exp $"); 35 36 #include "ehci_cardbus.h" 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/device.h> 42 #include <sys/proc.h> 43 #include <sys/queue.h> 44 45 #include <sys/bus.h> 46 47 #include <dev/cardbus/cardbusvar.h> 48 #include <dev/cardbus/usb_cardbus.h> 49 50 #include <dev/usb/usb.h> 51 #include <dev/usb/usbdi.h> 52 #include <dev/usb/usbdivar.h> 53 #include <dev/usb/usb_mem.h> 54 55 #include <dev/usb/uhcireg.h> 56 #include <dev/usb/uhcivar.h> 57 58 struct uhci_cardbus_softc { 59 uhci_softc_t sc; 60 #if NEHCI_CARDBUS > 0 61 struct usb_cardbus sc_cardbus; 62 #endif 63 cardbus_chipset_tag_t sc_cc; 64 cardbus_function_tag_t sc_cf; 65 cardbus_devfunc_t sc_ct; 66 pcitag_t sc_tag; 67 void *sc_ih; /* interrupt vectoring */ 68 }; 69 70 static int uhci_cardbus_match(device_t, cfdata_t, void *); 71 static void uhci_cardbus_attach(device_t, device_t, void *); 72 static int uhci_cardbus_detach(device_t, int); 73 74 CFATTACH_DECL_NEW(uhci_cardbus, sizeof(struct uhci_cardbus_softc), 75 uhci_cardbus_match, uhci_cardbus_attach, uhci_cardbus_detach, uhci_activate); 76 77 #define CARDBUS_INTERFACE_UHCI PCI_INTERFACE_UHCI 78 #define CARDBUS_CBIO PCI_CBIO 79 #define cardbus_findvendor pci_findvendor 80 #define cardbus_devinfo pci_devinfo 81 82 static int 83 uhci_cardbus_match(device_t parent, cfdata_t match, void *aux) 84 { 85 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; 86 87 if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS && 88 CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB && 89 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_UHCI) 90 return (1); 91 92 return (0); 93 } 94 95 static void 96 uhci_cardbus_attach(device_t parent, device_t self, 97 void *aux) 98 { 99 struct uhci_cardbus_softc *sc = device_private(self); 100 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; 101 cardbus_devfunc_t ct = ca->ca_ct; 102 cardbus_chipset_tag_t cc = ct->ct_cc; 103 cardbus_function_tag_t cf = ct->ct_cf; 104 pcitag_t tag = ca->ca_tag; 105 pcireg_t csr; 106 const char *vendor; 107 const char *devname = device_xname(self); 108 char devinfo[256]; 109 usbd_status r; 110 111 sc->sc.sc_dev = self; 112 sc->sc.sc_bus.hci_private = sc; 113 114 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo)); 115 printf(": %s (rev. 0x%02x)\n", devinfo, CARDBUS_REVISION(ca->ca_class)); 116 117 /* Map I/O registers */ 118 if (Cardbus_mapreg_map(ct, CARDBUS_CBIO, CARDBUS_MAPREG_TYPE_IO, 0, 119 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) { 120 printf("%s: can't map i/o space\n", devname); 121 return; 122 } 123 124 sc->sc_cc = cc; 125 sc->sc_cf = cf; 126 sc->sc_ct = ct; 127 sc->sc_tag = tag; 128 sc->sc.sc_bus.dmatag = ca->ca_dmat; 129 130 #if rbus 131 #else 132 XXX (ct->ct_cf->cardbus_io_open)(cc, 0, iob, iob + 0x40); 133 #endif 134 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_IO_ENABLE); 135 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 136 137 /* Enable the device. */ 138 csr = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 139 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 140 csr | CARDBUS_COMMAND_MASTER_ENABLE 141 | CARDBUS_COMMAND_IO_ENABLE); 142 143 /* Disable interrupts, so we don't get any spurious ones. */ 144 bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0); 145 146 /* Map and establish the interrupt. */ 147 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, 148 IPL_USB, uhci_intr, sc); 149 if (sc->sc_ih == NULL) { 150 printf("%s: couldn't establish interrupt\n", devname); 151 return; 152 } 153 154 /* Set LEGSUP register to its default value. */ 155 cardbus_conf_write(cc, cf, tag, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN); 156 157 switch(cardbus_conf_read(cc, cf, tag, PCI_USBREV) & PCI_USBREV_MASK) { 158 case PCI_USBREV_PRE_1_0: 159 sc->sc.sc_bus.usbrev = USBREV_PRE_1_0; 160 break; 161 case PCI_USBREV_1_0: 162 sc->sc.sc_bus.usbrev = USBREV_1_0; 163 break; 164 case PCI_USBREV_1_1: 165 sc->sc.sc_bus.usbrev = USBREV_1_1; 166 break; 167 default: 168 sc->sc.sc_bus.usbrev = USBREV_UNKNOWN; 169 break; 170 } 171 172 /* Figure out vendor for root hub descriptor. */ 173 vendor = cardbus_findvendor(ca->ca_id); 174 sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id); 175 if (vendor) 176 strlcpy(sc->sc.sc_vendor, vendor, sizeof(sc->sc.sc_vendor)); 177 else 178 snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor), 179 "vendor 0x%04x", CARDBUS_VENDOR(ca->ca_id)); 180 181 r = uhci_init(&sc->sc); 182 if (r != USBD_NORMAL_COMPLETION) { 183 printf("%s: init failed, error=%d\n", devname, r); 184 185 /* Avoid spurious interrupts. */ 186 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 187 sc->sc_ih = NULL; 188 189 return; 190 } 191 192 #if NEHCI_CARDBUS > 0 193 usb_cardbus_add(&sc->sc_cardbus, ca, self); 194 #endif 195 196 /* Attach usb device. */ 197 sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint); 198 } 199 200 static int 201 uhci_cardbus_detach(device_t self, int flags) 202 { 203 struct uhci_cardbus_softc *sc = device_private(self); 204 struct cardbus_devfunc *ct = sc->sc_ct; 205 int rv; 206 207 rv = uhci_detach(&sc->sc, flags); 208 if (rv) 209 return (rv); 210 if (sc->sc_ih != NULL) { 211 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 212 sc->sc_ih = NULL; 213 } 214 if (sc->sc.sc_size) { 215 Cardbus_mapreg_unmap(ct, CARDBUS_CBIO, sc->sc.iot, 216 sc->sc.ioh, sc->sc.sc_size); 217 sc->sc.sc_size = 0; 218 } 219 #if NEHCI_CARDBUS > 0 220 usb_cardbus_rem(&sc->sc_cardbus); 221 #endif 222 return (0); 223 } 224
Indexes created Mon Sep 29 21:09:56 GMT 2025