ehci_cardbus.c revision 1.3.2.2
1 1.3.2.2 nathanw /* $NetBSD: ehci_cardbus.c,v 1.3.2.2 2001/11/14 19:14:01 nathanw Exp $ */ 2 1.3.2.2 nathanw 3 1.3.2.2 nathanw /* 4 1.3.2.2 nathanw * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 1.3.2.2 nathanw * All rights reserved. 6 1.3.2.2 nathanw * 7 1.3.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 nathanw * by Lennart Augustsson (lennart (at) augustsson.net) at 9 1.3.2.2 nathanw * Carlstedt Research & Technology. 10 1.3.2.2 nathanw * 11 1.3.2.2 nathanw * Redistribution and use in source and binary forms, with or without 12 1.3.2.2 nathanw * modification, are permitted provided that the following conditions 13 1.3.2.2 nathanw * are met: 14 1.3.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 15 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer. 16 1.3.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 17 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 18 1.3.2.2 nathanw * documentation and/or other materials provided with the distribution. 19 1.3.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 20 1.3.2.2 nathanw * must display the following acknowledgement: 21 1.3.2.2 nathanw * This product includes software developed by the NetBSD 22 1.3.2.2 nathanw * Foundation, Inc. and its contributors. 23 1.3.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.3.2.2 nathanw * contributors may be used to endorse or promote products derived 25 1.3.2.2 nathanw * from this software without specific prior written permission. 26 1.3.2.2 nathanw * 27 1.3.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.3.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.3.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.3.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.3.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.3.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.3.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.3.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.3.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.3.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.3.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 38 1.3.2.2 nathanw */ 39 1.3.2.2 nathanw 40 1.3.2.2 nathanw #include <sys/cdefs.h> 41 1.3.2.2 nathanw __KERNEL_RCSID(0, "$NetBSD: ehci_cardbus.c,v 1.3.2.2 2001/11/14 19:14:01 nathanw Exp $"); 42 1.3.2.2 nathanw 43 1.3.2.2 nathanw #include <sys/param.h> 44 1.3.2.2 nathanw #include <sys/systm.h> 45 1.3.2.2 nathanw #include <sys/kernel.h> 46 1.3.2.2 nathanw #include <sys/device.h> 47 1.3.2.2 nathanw #include <sys/proc.h> 48 1.3.2.2 nathanw 49 1.3.2.2 nathanw #include <machine/bus.h> 50 1.3.2.2 nathanw 51 1.3.2.2 nathanw #if defined pciinc 52 1.3.2.2 nathanw #include <dev/pci/pcidevs.h> 53 1.3.2.2 nathanw #endif 54 1.3.2.2 nathanw 55 1.3.2.2 nathanw #include <dev/cardbus/cardbusvar.h> 56 1.3.2.2 nathanw #include <dev/cardbus/cardbusdevs.h> 57 1.3.2.2 nathanw 58 1.3.2.2 nathanw #include <dev/cardbus/usb_cardbus.h> 59 1.3.2.2 nathanw 60 1.3.2.2 nathanw #include <dev/usb/usb.h> 61 1.3.2.2 nathanw #include <dev/usb/usbdi.h> 62 1.3.2.2 nathanw #include <dev/usb/usbdivar.h> 63 1.3.2.2 nathanw #include <dev/usb/usb_mem.h> 64 1.3.2.2 nathanw 65 1.3.2.2 nathanw #include <dev/usb/ehcireg.h> 66 1.3.2.2 nathanw #include <dev/usb/ehcivar.h> 67 1.3.2.2 nathanw 68 1.3.2.2 nathanw #ifdef EHCI_DEBUG 69 1.3.2.2 nathanw #define DPRINTF(x) if (ehcidebug) printf x 70 1.3.2.2 nathanw extern int ehcidebug; 71 1.3.2.2 nathanw #else 72 1.3.2.2 nathanw #define DPRINTF(x) 73 1.3.2.2 nathanw #endif 74 1.3.2.2 nathanw 75 1.3.2.2 nathanw int ehci_cardbus_match(struct device *, struct cfdata *, void *); 76 1.3.2.2 nathanw void ehci_cardbus_attach(struct device *, struct device *, void *); 77 1.3.2.2 nathanw int ehci_cardbus_detach(device_ptr_t, int); 78 1.3.2.2 nathanw 79 1.3.2.2 nathanw struct ehci_cardbus_softc { 80 1.3.2.2 nathanw ehci_softc_t sc; 81 1.3.2.2 nathanw cardbus_chipset_tag_t sc_cc; 82 1.3.2.2 nathanw cardbus_function_tag_t sc_cf; 83 1.3.2.2 nathanw cardbus_devfunc_t sc_ct; 84 1.3.2.2 nathanw void *sc_ih; /* interrupt vectoring */ 85 1.3.2.2 nathanw }; 86 1.3.2.2 nathanw 87 1.3.2.2 nathanw struct cfattach ehci_cardbus_ca = { 88 1.3.2.2 nathanw sizeof(struct ehci_cardbus_softc), ehci_cardbus_match, 89 1.3.2.2 nathanw ehci_cardbus_attach, ehci_cardbus_detach, ehci_activate 90 1.3.2.2 nathanw }; 91 1.3.2.2 nathanw 92 1.3.2.2 nathanw #define CARDBUS_INTERFACE_EHCI PCI_INTERFACE_EHCI 93 1.3.2.2 nathanw #define CARDBUS_CBMEM PCI_CBMEM 94 1.3.2.2 nathanw #define cardbus_findvendor pci_findvendor 95 1.3.2.2 nathanw #define cardbus_devinfo pci_devinfo 96 1.3.2.2 nathanw 97 1.3.2.2 nathanw static TAILQ_HEAD(, usb_cardbus) ehci_cardbus_alldevs = 98 1.3.2.2 nathanw TAILQ_HEAD_INITIALIZER(ehci_cardbus_alldevs); 99 1.3.2.2 nathanw 100 1.3.2.2 nathanw int 101 1.3.2.2 nathanw ehci_cardbus_match(struct device *parent, struct cfdata *match, void *aux) 102 1.3.2.2 nathanw { 103 1.3.2.2 nathanw struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; 104 1.3.2.2 nathanw 105 1.3.2.2 nathanw if (CARDBUS_CLASS(ca->ca_class) == CARDBUS_CLASS_SERIALBUS && 106 1.3.2.2 nathanw CARDBUS_SUBCLASS(ca->ca_class) == CARDBUS_SUBCLASS_SERIALBUS_USB && 107 1.3.2.2 nathanw CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_EHCI) 108 1.3.2.2 nathanw return (1); 109 1.3.2.2 nathanw 110 1.3.2.2 nathanw return (0); 111 1.3.2.2 nathanw } 112 1.3.2.2 nathanw 113 1.3.2.2 nathanw void 114 1.3.2.2 nathanw ehci_cardbus_attach(struct device *parent, struct device *self, void *aux) 115 1.3.2.2 nathanw { 116 1.3.2.2 nathanw struct ehci_cardbus_softc *sc = (struct ehci_cardbus_softc *)self; 117 1.3.2.2 nathanw struct cardbus_attach_args *ca = aux; 118 1.3.2.2 nathanw cardbus_devfunc_t ct = ca->ca_ct; 119 1.3.2.2 nathanw cardbus_chipset_tag_t cc = ct->ct_cc; 120 1.3.2.2 nathanw cardbus_function_tag_t cf = ct->ct_cf; 121 1.3.2.2 nathanw cardbusreg_t csr; 122 1.3.2.2 nathanw char devinfo[256]; 123 1.3.2.2 nathanw usbd_status r; 124 1.3.2.2 nathanw char *vendor; 125 1.3.2.2 nathanw u_int ncomp; 126 1.3.2.2 nathanw const char *devname = sc->sc.sc_bus.bdev.dv_xname; 127 1.3.2.2 nathanw struct usb_cardbus *up; 128 1.3.2.2 nathanw 129 1.3.2.2 nathanw cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo); 130 1.3.2.2 nathanw printf(": %s (rev. 0x%02x)\n", devinfo, 131 1.3.2.2 nathanw CARDBUS_REVISION(ca->ca_class)); 132 1.3.2.2 nathanw 133 1.3.2.2 nathanw /* Map I/O registers */ 134 1.3.2.2 nathanw if (Cardbus_mapreg_map(ct, CARDBUS_CBMEM, CARDBUS_MAPREG_TYPE_MEM, 0, 135 1.3.2.2 nathanw &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) { 136 1.3.2.2 nathanw printf("%s: can't map mem space\n", devname); 137 1.3.2.2 nathanw return; 138 1.3.2.2 nathanw } 139 1.3.2.2 nathanw 140 1.3.2.2 nathanw sc->sc_cc = cc; 141 1.3.2.2 nathanw sc->sc_cf = cf; 142 1.3.2.2 nathanw sc->sc_ct = ct; 143 1.3.2.2 nathanw sc->sc.sc_bus.dmatag = ca->ca_dmat; 144 1.3.2.2 nathanw 145 1.3.2.2 nathanw #if rbus 146 1.3.2.2 nathanw #else 147 1.3.2.2 nathanw XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40); 148 1.3.2.2 nathanw #endif 149 1.3.2.2 nathanw (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE); 150 1.3.2.2 nathanw (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 151 1.3.2.2 nathanw 152 1.3.2.2 nathanw /* Enable the device. */ 153 1.3.2.2 nathanw csr = cardbus_conf_read(cc, cf, ca->ca_tag, 154 1.3.2.2 nathanw CARDBUS_COMMAND_STATUS_REG); 155 1.3.2.2 nathanw cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, 156 1.3.2.2 nathanw csr | CARDBUS_COMMAND_MASTER_ENABLE 157 1.3.2.2 nathanw | CARDBUS_COMMAND_MEM_ENABLE); 158 1.3.2.2 nathanw 159 1.3.2.2 nathanw /* Disable interrupts, so we don't get any spurious ones. */ 160 1.3.2.2 nathanw sc->sc.sc_offs = EREAD1(&sc->sc, EHCI_CAPLENGTH); 161 1.3.2.2 nathanw DPRINTF(("%s: offs=%d\n", devname, sc->sc.sc_offs)); 162 1.3.2.2 nathanw EOWRITE2(&sc->sc, EHCI_USBINTR, 0); 163 1.3.2.2 nathanw 164 1.3.2.2 nathanw sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, 165 1.3.2.2 nathanw IPL_USB, ehci_intr, sc); 166 1.3.2.2 nathanw if (sc->sc_ih == NULL) { 167 1.3.2.2 nathanw printf("%s: couldn't establish interrupt\n", devname); 168 1.3.2.2 nathanw return; 169 1.3.2.2 nathanw } 170 1.3.2.2 nathanw printf("%s: interrupting at %d\n", devname, ca->ca_intrline); 171 1.3.2.2 nathanw 172 1.3.2.2 nathanw /* Figure out vendor for root hub descriptor. */ 173 1.3.2.2 nathanw vendor = cardbus_findvendor(ca->ca_id); 174 1.3.2.2 nathanw sc->sc.sc_id_vendor = CARDBUS_VENDOR(ca->ca_id); 175 1.3.2.2 nathanw if (vendor) 176 1.3.2.2 nathanw strncpy(sc->sc.sc_vendor, vendor, 177 1.3.2.2 nathanw sizeof(sc->sc.sc_vendor) - 1); 178 1.3.2.2 nathanw else 179 1.3.2.2 nathanw sprintf(sc->sc.sc_vendor, "vendor 0x%04x", 180 1.3.2.2 nathanw CARDBUS_VENDOR(ca->ca_id)); 181 1.3.2.2 nathanw 182 1.3.2.2 nathanw /* 183 1.3.2.2 nathanw * Find companion controllers. According to the spec they always 184 1.3.2.2 nathanw * have lower function numbers so they should be enumerated already. 185 1.3.2.2 nathanw */ 186 1.3.2.2 nathanw ncomp = 0; 187 1.3.2.2 nathanw TAILQ_FOREACH(up, &ehci_cardbus_alldevs, next) { 188 1.3.2.2 nathanw if (up->bus == ca->ca_bus && up->device == ca->ca_device) { 189 1.3.2.2 nathanw DPRINTF(("ehci_cardbus_attach: companion %s\n", 190 1.3.2.2 nathanw USBDEVNAME(up->usb->bdev))); 191 1.3.2.2 nathanw sc->sc.sc_comps[ncomp++] = up->usb; 192 1.3.2.2 nathanw if (ncomp >= EHCI_COMPANION_MAX) 193 1.3.2.2 nathanw break; 194 1.3.2.2 nathanw } 195 1.3.2.2 nathanw } 196 1.3.2.2 nathanw sc->sc.sc_ncomp = ncomp; 197 1.3.2.2 nathanw 198 1.3.2.2 nathanw r = ehci_init(&sc->sc); 199 1.3.2.2 nathanw if (r != USBD_NORMAL_COMPLETION) { 200 1.3.2.2 nathanw printf("%s: init failed, error=%d\n", devname, r); 201 1.3.2.2 nathanw 202 1.3.2.2 nathanw /* Avoid spurious interrupts. */ 203 1.3.2.2 nathanw cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 204 1.3.2.2 nathanw sc->sc_ih = NULL; 205 1.3.2.2 nathanw 206 1.3.2.2 nathanw return; 207 1.3.2.2 nathanw } 208 1.3.2.2 nathanw 209 1.3.2.2 nathanw /* Attach usb device. */ 210 1.3.2.2 nathanw sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus, 211 1.3.2.2 nathanw usbctlprint); 212 1.3.2.2 nathanw } 213 1.3.2.2 nathanw 214 1.3.2.2 nathanw int 215 1.3.2.2 nathanw ehci_cardbus_detach(device_ptr_t self, int flags) 216 1.3.2.2 nathanw { 217 1.3.2.2 nathanw struct ehci_cardbus_softc *sc = (struct ehci_cardbus_softc *)self; 218 1.3.2.2 nathanw struct cardbus_devfunc *ct = sc->sc_ct; 219 1.3.2.2 nathanw int rv; 220 1.3.2.2 nathanw 221 1.3.2.2 nathanw rv = ehci_detach(&sc->sc, flags); 222 1.3.2.2 nathanw if (rv) 223 1.3.2.2 nathanw return (rv); 224 1.3.2.2 nathanw if (sc->sc_ih != NULL) { 225 1.3.2.2 nathanw cardbus_intr_disestablish(sc->sc_cc, sc->sc_cf, sc->sc_ih); 226 1.3.2.2 nathanw sc->sc_ih = NULL; 227 1.3.2.2 nathanw } 228 1.3.2.2 nathanw if (sc->sc.sc_size) { 229 1.3.2.2 nathanw Cardbus_mapreg_unmap(ct, CARDBUS_CBMEM, sc->sc.iot, 230 1.3.2.2 nathanw sc->sc.ioh, sc->sc.sc_size); 231 1.3.2.2 nathanw sc->sc.sc_size = 0; 232 1.3.2.2 nathanw } 233 1.3.2.2 nathanw return (0); 234 1.3.2.2 nathanw } 235 1.3.2.2 nathanw 236 1.3.2.2 nathanw void 237 1.3.2.2 nathanw usb_cardbus_add(struct usb_cardbus *up, struct cardbus_attach_args *ca, struct usbd_bus *bu) 238 1.3.2.2 nathanw { 239 1.3.2.2 nathanw TAILQ_INSERT_TAIL(&ehci_cardbus_alldevs, up, next); 240 1.3.2.2 nathanw up->bus = ca->ca_bus; 241 1.3.2.2 nathanw up->device = ca->ca_device; 242 1.3.2.2 nathanw up->function = ca->ca_function; 243 1.3.2.2 nathanw up->usb = bu; 244 1.3.2.2 nathanw } 245 1.3.2.2 nathanw 246 1.3.2.2 nathanw void 247 1.3.2.2 nathanw usb_cardbus_rem(struct usb_cardbus *up) 248 1.3.2.2 nathanw { 249 1.3.2.2 nathanw TAILQ_REMOVE(&ehci_cardbus_alldevs, up, next); 250 1.3.2.2 nathanw } 251
Indexes created Mon Oct 27 20:09:55 GMT 2025