ehci_cardbus.c revision 1.3
1 /* $NetBSD: ehci_cardbus.c,v 1.3 2001/11/13 12:51:12 lukem 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 #include <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: ehci_cardbus.c,v 1.3 2001/11/13 12:51:12 lukem Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/kernel.h> 46 #include <sys/device.h> 47 #include <sys/proc.h> 48 49 #include <machine/bus.h> 50 51 #if defined pciinc 52 #include <dev/pci/pcidevs.h> 53 #endif 54 55 #include <dev/cardbus/cardbusvar.h> 56 #include <dev/cardbus/cardbusdevs.h> 57 58 #include <dev/cardbus/usb_cardbus.h> 59 60 #include <dev/usb/usb.h> 61 #include <dev/usb/usbdi.h> 62 #include <dev/usb/usbdivar.h> 63 #include <dev/usb/usb_mem.h> 64 65 #include <dev/usb/ehcireg.h> 66 #include <dev/usb/ehcivar.h> 67 68 #ifdef EHCI_DEBUG 69 #define DPRINTF(x) if (ehcidebug) printf x 70 extern int ehcidebug; 71 #else 72 #define DPRINTF(x) 73 #endif 74 75 int ehci_cardbus_match(struct device *, struct cfdata *, void *); 76 void ehci_cardbus_attach(struct device *, struct device *, void *); 77 int ehci_cardbus_detach(device_ptr_t, int); 78 79 struct ehci_cardbus_softc { 80 ehci_softc_t sc; 81 cardbus_chipset_tag_t sc_cc; 82 cardbus_function_tag_t sc_cf; 83 cardbus_devfunc_t sc_ct; 84 void *sc_ih; /* interrupt vectoring */ 85 }; 86 87 struct cfattach ehci_cardbus_ca = { 88 sizeof(struct ehci_cardbus_softc), ehci_cardbus_match, 89 ehci_cardbus_attach, ehci_cardbus_detach, ehci_activate 90 }; 91 92 #define CARDBUS_INTERFACE_EHCI PCI_INTERFACE_EHCI 93 #define CARDBUS_CBMEM PCI_CBMEM 94 #define cardbus_findvendor pci_findvendor 95 #define cardbus_devinfo pci_devinfo 96 97 static TAILQ_HEAD(, usb_cardbus) ehci_cardbus_alldevs = 98 TAILQ_HEAD_INITIALIZER(ehci_cardbus_alldevs); 99 100 int 101 ehci_cardbus_match(struct device *parent, struct cfdata *match, 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_EHCI) 108 return (1); 109 110 return (0); 111 } 112 113 void 114 ehci_cardbus_attach(struct device *parent, struct device *self, void *aux) 115 { 116 struct ehci_cardbus_softc *sc = (struct ehci_cardbus_softc *)self; 117 struct cardbus_attach_args *ca = aux; 118 cardbus_devfunc_t ct = ca->ca_ct; 119 cardbus_chipset_tag_t cc = ct->ct_cc; 120 cardbus_function_tag_t cf = ct->ct_cf; 121 cardbusreg_t csr; 122 char devinfo[256]; 123 usbd_status r; 124 char *vendor; 125 u_int ncomp; 126 const char *devname = sc->sc.sc_bus.bdev.dv_xname; 127 struct usb_cardbus *up; 128 129 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo); 130 printf(": %s (rev. 0x%02x)\n", devinfo, 131 CARDBUS_REVISION(ca->ca_class)); 132 133 /* Map I/O registers */ 134 if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0, 135 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) { 136 printf("%s: can't map mem space\n", devname); 137 return; 138 } 139 140 sc->sc_cc = cc; 141 sc->sc_cf = cf; 142 sc->sc_ct = ct; 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 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 151 152 /* Enable the device. */ 153 csr = cardbus_conf_read(cc, cf, ca->ca_tag, 154 CARDBUS_COMMAND_STATUS_REG); 155 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, 156 csr | CARDBUS_COMMAND_MASTER_ENABLE 157 | CARDBUS_COMMAND_MEM_ENABLE); 158 159 /* Disable interrupts, so we don't get any spurious ones. */ 160 sc->sc.sc_offs = EREAD1(&sc->sc, EHCI_CAPLENGTH); 161 DPRINTF(("%s: offs=%d\n", devname, sc->sc.sc_offs)); 162 EOWRITE2(&sc->sc, EHCI_USBINTR, 0); 163 164 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, 165 IPL_USB, ehci_intr, sc); 166 if (sc->sc_ih == NULL) { 167 printf("%s: couldn't establish interrupt\n", devname); 168 return; 169 } 170 printf("%s: interrupting at %d\n", devname, ca->ca_intrline); 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 strncpy(sc->sc.sc_vendor, vendor, 177 sizeof(sc->sc.sc_vendor) - 1); 178 else 179 sprintf(sc->sc.sc_vendor, "vendor 0x%04x", 180 CARDBUS_VENDOR(ca->ca_id)); 181 182 /* 183 * Find companion controllers. According to the spec they always 184 * have lower function numbers so they should be enumerated already. 185 */ 186 ncomp = 0; 187 TAILQ_FOREACH(up, &ehci_cardbus_alldevs, next) { 188 if (up->bus == ca->ca_bus && up->device == ca->ca_device) { 189 DPRINTF(("ehci_cardbus_attach: companion %s\n", 190 USBDEVNAME(up->usb->bdev))); 191 sc->sc.sc_comps[ncomp++] = up->usb; 192 if (ncomp >= EHCI_COMPANION_MAX) 193 break; 194 } 195 } 196 sc->sc.sc_ncomp = ncomp; 197 198 r = ehci_init(&sc->sc); 199 if (r != USBD_NORMAL_COMPLETION) { 200 printf("%s: init failed, error=%d\n", devname, r); 201 202 /* Avoid spurious interrupts. */ 203 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 204 sc->sc_ih = NULL; 205 206 return; 207 } 208 209 /* Attach usb device. */ 210 sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus, 211 usbctlprint); 212 } 213 214 int 215 ehci_cardbus_detach(device_ptr_t self, int flags) 216 { 217 struct ehci_cardbus_softc *sc = (struct ehci_cardbus_softc *)self; 218 struct cardbus_devfunc *ct = sc->sc_ct; 219 int rv; 220 221 rv = ehci_detach(&sc->sc, flags); 222 if (rv) 223 return (rv); 224 if (sc->sc_ih != NULL) { 225 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 226 sc->sc_ih = NULL; 227 } 228 if (sc->sc.sc_size) { 229 Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot, 230 sc->sc.ioh, sc->sc.sc_size); 231 sc->sc.sc_size = 0; 232 } 233 return (0); 234 } 235 236 void 237 usb_cardbus_add(struct usb_cardbus *up, struct cardbus_attach_args *ca, struct usbd_bus *bu) 238 { 239 TAILQ_INSERT_TAIL(&ehci_cardbus_alldevs, up, next); 240 up->bus = ca->ca_bus; 241 up->device = ca->ca_device; 242 up->function = ca->ca_function; 243 up->usb = bu; 244 } 245 246 void 247 usb_cardbus_rem(struct usb_cardbus *up) 248 { 249 TAILQ_REMOVE(&ehci_cardbus_alldevs, up, next); 250 } 251
Indexes created Tue Sep 30 11:09:46 GMT 2025