1 /* $NetBSD: ohci_cardbus.c,v 1.11 2001/11/13 12:51:13 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@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/cdefs.h> 48 __KERNEL_RCSID(0, "$NetBSD: ohci_cardbus.c,v 1.11 2001/11/13 12:51:13 lukem Exp $"); 49 50 #include "ehci.h" 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/kernel.h> 55 #include <sys/device.h> 56 #include <sys/proc.h> 57 58 #include <machine/bus.h> 59 60 #if defined pciinc 61 #include <dev/pci/pcidevs.h> 62 #endif 63 64 #include <dev/cardbus/cardbusvar.h> 65 #include <dev/cardbus/cardbusdevs.h> 66 67 #include <dev/cardbus/usb_cardbus.h> 68 69 #include <dev/usb/usb.h> 70 #include <dev/usb/usbdi.h> 71 #include <dev/usb/usbdivar.h> 72 #include <dev/usb/usb_mem.h> 73 74 #include <dev/usb/ohcireg.h> 75 #include <dev/usb/ohcivar.h> 76 77 int ohci_cardbus_match(struct device *, struct cfdata *, void *); 78 void ohci_cardbus_attach(struct device *, struct device *, void *); 79 int ohci_cardbus_detach(device_ptr_t, int); 80 81 struct ohci_cardbus_softc { 82 ohci_softc_t sc; 83 #if NEHCI > 0 84 struct usb_cardbus sc_cardbus; 85 #endif 86 cardbus_chipset_tag_t sc_cc; 87 cardbus_function_tag_t sc_cf; 88 cardbus_devfunc_t sc_ct; 89 void *sc_ih; /* interrupt vectoring */ 90 }; 91 92 struct cfattach ohci_cardbus_ca = { 93 sizeof(struct ohci_cardbus_softc), ohci_cardbus_match, 94 ohci_cardbus_attach, ohci_cardbus_detach, ohci_activate 95 }; 96 97 #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI 98 #define CARDBUS_CBMEM PCI_CBMEM 99 #define cardbus_findvendor pci_findvendor 100 #define cardbus_devinfo pci_devinfo 101 102 int 103 ohci_cardbus_match(struct device *parent, struct cfdata *match, void *aux) 104 { 105 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; 106 107 if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS && 108 CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB && 109 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI) 110 return (1); 111 112 return (0); 113 } 114 115 void 116 ohci_cardbus_attach(struct device *parent, struct device *self, void *aux) 117 { 118 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self; 119 struct cardbus_attach_args *ca = aux; 120 cardbus_devfunc_t ct = ca->ca_ct; 121 cardbus_chipset_tag_t cc = ct->ct_cc; 122 cardbus_function_tag_t cf = ct->ct_cf; 123 cardbusreg_t csr; 124 char devinfo[256]; 125 usbd_status r; 126 char *vendor; 127 const char *devname = sc->sc.sc_bus.bdev.dv_xname; 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 /* Disable interrupts, so we don't can any spurious ones. */ 141 bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE, 142 OHCI_ALL_INTRS); 143 144 sc->sc_cc = cc; 145 sc->sc_cf = cf; 146 sc->sc_ct = ct; 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 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 155 156 /* Enable the device. */ 157 csr = cardbus_conf_read(cc, cf, ca->ca_tag, 158 CARDBUS_COMMAND_STATUS_REG); 159 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, 160 csr | CARDBUS_COMMAND_MASTER_ENABLE 161 | CARDBUS_COMMAND_MEM_ENABLE); 162 163 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, 164 IPL_USB, ohci_intr, sc); 165 if (sc->sc_ih == NULL) { 166 printf("%s: couldn't establish interrupt\n", devname); 167 return; 168 } 169 printf("%s: interrupting at %d\n", devname, ca->ca_intrline); 170 171 /* Figure out vendor for root hub descriptor. */ 172 vendor = cardbus_findvendor(ca->ca_id); 173 sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id); 174 if (vendor) 175 strncpy(sc->sc.sc_vendor, vendor, 176 sizeof(sc->sc.sc_vendor) - 1); 177 else 178 sprintf(sc->sc.sc_vendor, "vendor 0x%04x", 179 CARDBUS_VENDOR(ca->ca_id)); 180 181 r = ohci_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 = 0; 188 189 return; 190 } 191 192 #if NEHCI > 0 193 usb_cardbus_add(&sc->sc_cardbus, ca, &sc->sc.sc_bus); 194 #endif 195 196 /* Attach usb device. */ 197 sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus, 198 usbctlprint); 199 } 200 201 int 202 ohci_cardbus_detach(device_ptr_t self, int flags) 203 { 204 struct ohci_cardbus_softc *sc = (struct ohci_cardbus_softc *)self; 205 struct cardbus_devfunc *ct = sc->sc_ct; 206 int rv; 207 208 rv = ohci_detach(&sc->sc, flags); 209 if (rv) 210 return (rv); 211 if (sc->sc_ih != NULL) { 212 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 213 sc->sc_ih = NULL; 214 } 215 if (sc->sc.sc_size) { 216 Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot, 217 sc->sc.ioh, sc->sc.sc_size); 218 sc->sc.sc_size = 0; 219 } 220 #if NEHCI > 0 221 usb_cardbus_rem(&sc->sc_cardbus); 222 #endif 223 return (0); 224 } 225