1 /* $NetBSD: fwohci_cardbus.c,v 1.5 2002/01/26 16:34:28 ichiro Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas of 3am Software Foundry. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: fwohci_cardbus.c,v 1.5 2002/01/26 16:34:28 ichiro Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/socket.h> 45 #include <sys/device.h> 46 47 #include <machine/bus.h> 48 49 #if defined pciinc 50 #include <dev/pci/pcidevs.h> 51 #endif 52 53 #include <dev/cardbus/cardbusvar.h> 54 #include <dev/cardbus/cardbusdevs.h> 55 56 #include <dev/ieee1394/ieee1394reg.h> 57 #include <dev/ieee1394/ieee1394var.h> 58 #include <dev/ieee1394/fwohcireg.h> 59 #include <dev/ieee1394/fwohcivar.h> 60 61 struct fwohci_cardbus_softc { 62 struct fwohci_softc sc_sc; 63 cardbus_chipset_tag_t sc_cc; 64 cardbus_function_tag_t sc_cf; 65 cardbus_devfunc_t sc_ct; 66 void *sc_ih; 67 }; 68 69 static int fwohci_cardbus_match(struct device *, struct cfdata *, void *); 70 static void fwohci_cardbus_attach(struct device *, struct device *, void *); 71 static int fwohci_cardbus_detach(struct device *, int); 72 73 struct cfattach fwohci_cardbus_ca = { 74 sizeof(struct fwohci_cardbus_softc), fwohci_cardbus_match, fwohci_cardbus_attach, 75 fwohci_cardbus_detach, fwohci_activate 76 }; 77 78 #define CARDBUS_OHCI_MAP_REGISTER PCI_OHCI_MAP_REGISTER 79 #define CARDBUS_INTERFACE_OHCI PCI_INTERFACE_OHCI 80 #define cardbus_devinfo pci_devinfo 81 82 static int 83 fwohci_cardbus_match(struct device *parent, struct cfdata *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) == 89 CARDBUS_SUBCLASS_SERIALBUS_FIREWIRE && 90 CARDBUS_INTERFACE(ca->ca_class) == CARDBUS_INTERFACE_OHCI) 91 return 1; 92 93 return 0; 94 } 95 96 static void 97 fwohci_cardbus_attach(struct device *parent, struct device *self, void *aux) 98 { 99 struct cardbus_attach_args *ca = aux; 100 struct fwohci_cardbus_softc *sc = (struct fwohci_cardbus_softc *)self; 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 cardbusreg_t csr; 105 char devinfo[256]; 106 const char *devname = self->dv_xname; 107 108 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo); 109 printf(": %s (rev. 0x%02x)\n", devinfo, 110 CARDBUS_REVISION(ca->ca_class)); 111 112 /* Map I/O registers */ 113 if (Cardbus_mapreg_map(ct, CARDBUS_OHCI_MAP_REGISTER, 114 CARDBUS_MAPREG_TYPE_MEM, 0, 115 &sc->sc_sc.sc_memt, &sc->sc_sc.sc_memh, 116 NULL, &sc->sc_sc.sc_memsize)) { 117 printf("%s: can't map OHCI register space\n", devname); 118 return; 119 } 120 121 sc->sc_cc = cc; 122 sc->sc_cf = cf; 123 sc->sc_ct = ct; 124 sc->sc_sc.sc_dmat = ca->ca_dmat; 125 126 #if rbus 127 #else 128 XXX (ct->ct_cf->cardbus_mem_open)(cc, 0, iob, iob + 0x40); 129 #endif 130 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE); 131 (ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 132 133 /* Disable interrupts, so we don't get any spurious ones. */ 134 OHCI_CSR_WRITE(&sc->sc_sc, OHCI_REG_IntMaskClear, 135 OHCI_Int_MasterEnable); 136 137 /* Enable the device. */ 138 csr = cardbus_conf_read(cc, cf, ca->ca_tag, 139 CARDBUS_COMMAND_STATUS_REG); 140 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, 141 csr | CARDBUS_COMMAND_MASTER_ENABLE | CARDBUS_COMMAND_MEM_ENABLE); 142 143 #if BYTE_ORDER == BIG_ENDIAN 144 csr = cardbus_conf_read(cc, cf, ca->ca_tag, 145 CARDBUS_OHCI_CONTROL_REGISTER); 146 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_OHCI_CONTROL_REGISTER, 147 csr | CARDBUS_GLOBAL_SWAP_BE); 148 #endif 149 150 sc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, 151 IPL_BIO, fwohci_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 /* XXX NULL should be replaced by some call to Cardbus coed */ 159 if (fwohci_init(&sc->sc_sc, NULL) != 0) { 160 cardbus_intr_disestablish(cc, cf, sc->sc_ih); 161 bus_space_unmap(sc->sc_sc.sc_memt, sc->sc_sc.sc_memh, 162 sc->sc_sc.sc_memsize); 163 } 164 } 165 166 int 167 fwohci_cardbus_detach(struct device *self, int flags) 168 { 169 struct fwohci_cardbus_softc *sc = (struct fwohci_cardbus_softc *)self; 170 cardbus_devfunc_t ct = sc->sc_ct; 171 int rv; 172 173 rv = fwohci_detach(&sc->sc_sc, flags); 174 175 if (rv) 176 return (rv); 177 if (sc->sc_ih != NULL) { 178 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih); 179 sc->sc_ih = NULL; 180 } 181 if (sc->sc_sc.sc_memsize) { 182 Cardbus_mapreg_unmap(ct, CARDBUS_OHCI_MAP_REGISTER, 183 sc->sc_sc.sc_memt, sc->sc_sc.sc_memh, 184 sc->sc_sc.sc_memsize); 185 sc->sc_sc.sc_memsize = 0; 186 } 187 return (0); 188 } 189