1 /* $NetBSD: uhci_cardbus.c,v 1.2 2005/12/11 12:21:15 christos 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@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: uhci_cardbus.c,v 1.2 2005/12/11 12:21:15 christos 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 #include <sys/queue.h> 51 52 #include <machine/bus.h> 53 54 #include <dev/cardbus/cardbusvar.h> 55 #include <dev/cardbus/usb_cardbus.h> 56 57 #include <dev/usb/usb.h> 58 #include <dev/usb/usbdi.h> 59 #include <dev/usb/usbdivar.h> 60 #include <dev/usb/usb_mem.h> 61 62 #include <dev/usb/uhcireg.h> 63 #include <dev/usb/uhcivar.h> 64 65 struct uhci_cardbus_softc { 66 uhci_softc_t sc; 67 #if NEHCI_CARDBUS > 0 68 struct usb_cardbus sc_cardbus; 69 #endif 70 cardbus_chipset_tag_t sc_cc; 71 cardbus_function_tag_t sc_cf; 72 cardbus_devfunc_t sc_ct; 73 cardbustag_t sc_tag; 74 void *sc_ih; /* interrupt vectoring */ 75 }; 76 77 static int uhci_cardbus_match(struct device *, struct cfdata *, void *); 78 static void uhci_cardbus_attach(struct device *, struct device *, void *); 79 static int uhci_cardbus_detach(device_ptr_t, int); 80 81 CFATTACH_DECL(uhci_cardbus, sizeof(struct uhci_cardbus_softc), 82 uhci_cardbus_match, uhci_cardbus_attach, uhci_cardbus_detach, uhci_activate); 83 84 #define CARDBUS_INTERFACE_UHCI PCI_INTERFACE_UHCI 85 #define CARDBUS_CBIO PCI_CBIO 86 #define cardbus_findvendor pci_findvendor 87 #define cardbus_devinfo pci_devinfo 88 89 static int 90 uhci_cardbus_match(struct device *parent, struct cfdata *match, void *aux) 91 { 92 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; 93 94 if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS && 95 CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB && 96 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_UHCI) 97 return (1); 98 99 return (0); 100 } 101 102 static void 103 uhci_cardbus_attach(struct device *parent, struct device *self, void *aux) 104 { 105 struct uhci_cardbus_softc *sc = (struct uhci_cardbus_softc *)self; 106 struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; 107 cardbus_devfunc_t ct = ca->ca_ct; 108 cardbus_chipset_tag_t cc = ct->ct_cc; 109 cardbus_function_tag_t cf = ct->ct_cf; 110 cardbustag_t tag = ca->ca_tag; 111 cardbusreg_t csr; 112 const char *vendor; 113 const char *devname = sc->sc.sc_bus.bdev.dv_xname; 114 char devinfo[256]; 115 usbd_status r; 116 117 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo)); 118 printf(": %s (rev. 0x%02x)\n", devinfo, CARDBUS_REVISION(ca->ca_class)); 119 120 /* Map I/O registers */ 121 if (Cardbus_mapreg_map(ct, CARDBUS_CBIO, CARDBUS_MAPREG_TYPE_IO, 0, 122 &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) { 123 printf("%s: can't map i/o space\n", devname); 124 return; 125 } 126 127 /* Disable interrupts, so we don't get any spurious ones. */ 128 bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0); 129 130 sc->sc_cc = cc; 131 sc->sc_cf = cf; 132 sc->sc_ct = ct; 133 sc->sc_tag = tag; 134 sc->sc.sc_bus.dmatag = ca->ca_dmat; 135 136 #if rbus 137 #else 138 XXX (ct->ct_cf->cardbus_io_open)(cc, 0, iob, iob + 0x40); 139 #endif 140 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_IO_ENABLE); 141 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 142 143 /* Enable the device. */ 144 csr = cardbus_conf_read(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG); 145 cardbus_conf_write(cc, cf, tag, CARDBUS_COMMAND_STATUS_REG, 146 csr | CARDBUS_COMMAND_MASTER_ENABLE 147 | CARDBUS_COMMAND_IO_ENABLE); 148 149 /* Map and establish the interrupt. */ 150 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, 151 IPL_USB, uhci_intr, sc); 152 if (sc->sc_ih == NULL) { 153 printf("%s: couldn't establish interrupt\n", devname); 154 return; 155 } 156 printf("%s: interrupting at %d\n", devname, ca->ca_intrline); 157 158 /* Set LEGSUP register to its default value. */ 159 cardbus_conf_write(cc, cf, tag, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN); 160 161 switch(cardbus_conf_read(cc, cf, tag, PCI_USBREV) & PCI_USBREV_MASK) { 162 case PCI_USBREV_PRE_1_0: 163 sc->sc.sc_bus.usbrev = USBREV_PRE_1_0; 164 break; 165 case PCI_USBREV_1_0: 166 sc->sc.sc_bus.usbrev = USBREV_1_0; 167 break; 168 case PCI_USBREV_1_1: 169 sc->sc.sc_bus.usbrev = USBREV_1_1; 170 break; 171 default: 172 sc->sc.sc_bus.usbrev = USBREV_UNKNOWN; 173 break; 174 } 175 176 /* Figure out vendor for root hub descriptor. */ 177 vendor = cardbus_findvendor(ca->ca_id); 178 sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id); 179 if (vendor) 180 strlcpy(sc->sc.sc_vendor, vendor, sizeof(sc->sc.sc_vendor)); 181 else 182 snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor), 183 "vendor 0x%04x", CARDBUS_VENDOR(ca->ca_id)); 184 185 r = uhci_init(&sc->sc); 186 if (r != USBD_NORMAL_COMPLETION) { 187 printf("%s: init failed, error=%d\n", devname, r); 188 189 /* Avoid spurious interrupts. */ 190 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 191 sc->sc_ih = NULL; 192 193 return; 194 } 195 196 #if NEHCI_CARDBUS > 0 197 usb_cardbus_add(&sc->sc_cardbus, ca, &sc->sc.sc_bus); 198 #endif 199 200 /* Attach usb device. */ 201 sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus, 202 usbctlprint); 203 } 204 205 static int 206 uhci_cardbus_detach(device_ptr_t self, int flags) 207 { 208 struct uhci_cardbus_softc *sc = (struct uhci_cardbus_softc *)self; 209 struct cardbus_devfunc *ct = sc->sc_ct; 210 int rv; 211 212 rv = uhci_detach(&sc->sc, flags); 213 if (rv) 214 return (rv); 215 if (sc->sc_ih != NULL) { 216 cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 217 sc->sc_ih = NULL; 218 } 219 if (sc->sc.sc_size) { 220 Cardbus_mapreg_unmap(ct, CARDBUS_CBIO, sc->sc.iot, 221 sc->sc.ioh, sc->sc.sc_size); 222 sc->sc.sc_size = 0; 223 } 224 #if NEHCI_CARDBUS > 0 225 usb_cardbus_rem(&sc->sc_cardbus); 226 #endif 227 return (0); 228 } 229