| 1 | /* $NetBSD: fwohci_cardbus.c,v 1.36 2016/07/14 04:19:26 msaitoh 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 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | #include <sys/cdefs.h> |
| 33 | __KERNEL_RCSID(0, "$NetBSD: fwohci_cardbus.c,v 1.36 2016/07/14 04:19:26 msaitoh Exp $" ); |
| 34 | |
| 35 | #include <sys/param.h> |
| 36 | #include <sys/systm.h> |
| 37 | #include <sys/socket.h> |
| 38 | #include <sys/device.h> |
| 39 | #include <sys/select.h> |
| 40 | |
| 41 | #include <sys/bus.h> |
| 42 | |
| 43 | #if defined pciinc |
| 44 | #include <dev/pci/pcidevs.h> |
| 45 | #endif |
| 46 | |
| 47 | #include <dev/cardbus/cardbusvar.h> |
| 48 | #include <dev/pci/pcidevs.h> |
| 49 | |
| 50 | #include <dev/ieee1394/firewire.h> |
| 51 | #include <dev/ieee1394/firewirereg.h> |
| 52 | #include <dev/ieee1394/fwdma.h> |
| 53 | #include <dev/ieee1394/fwohcireg.h> |
| 54 | #include <dev/ieee1394/fwohcivar.h> |
| 55 | |
| 56 | struct fwohci_cardbus_softc { |
| 57 | struct fwohci_softc sc_sc; |
| 58 | cardbus_chipset_tag_t sc_cc; |
| 59 | cardbus_function_tag_t sc_cf; |
| 60 | cardbus_devfunc_t sc_ct; |
| 61 | void *sc_ih; |
| 62 | }; |
| 63 | |
| 64 | static int fwohci_cardbus_match(device_t, cfdata_t, void *); |
| 65 | static void fwohci_cardbus_attach(device_t, device_t, void *); |
| 66 | static int fwohci_cardbus_detach(device_t, int); |
| 67 | |
| 68 | CFATTACH_DECL_NEW(fwohci_cardbus, sizeof(struct fwohci_cardbus_softc), |
| 69 | fwohci_cardbus_match, fwohci_cardbus_attach, fwohci_cardbus_detach, NULL); |
| 70 | |
| 71 | static int |
| 72 | fwohci_cardbus_match(device_t parent, cfdata_t match, void *aux) |
| 73 | { |
| 74 | struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; |
| 75 | |
| 76 | if (PCI_CLASS(ca->ca_class) == PCI_CLASS_SERIALBUS && |
| 77 | PCI_SUBCLASS(ca->ca_class) == |
| 78 | PCI_SUBCLASS_SERIALBUS_FIREWIRE && |
| 79 | PCI_INTERFACE(ca->ca_class) == PCI_INTERFACE_OHCI) |
| 80 | return 1; |
| 81 | |
| 82 | return 0; |
| 83 | } |
| 84 | |
| 85 | static void |
| 86 | fwohci_cardbus_attach(device_t parent, device_t self, void *aux) |
| 87 | { |
| 88 | struct cardbus_attach_args *ca = aux; |
| 89 | struct fwohci_cardbus_softc *sc = device_private(self); |
| 90 | cardbus_devfunc_t ct = ca->ca_ct; |
| 91 | cardbus_chipset_tag_t cc = ct->ct_cc; |
| 92 | cardbus_function_tag_t cf = ct->ct_cf; |
| 93 | pcireg_t csr; |
| 94 | char devinfo[256]; |
| 95 | |
| 96 | pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo)); |
| 97 | aprint_normal(": %s (rev. 0x%02x)\n" , devinfo, |
| 98 | PCI_REVISION(ca->ca_class)); |
| 99 | aprint_naive("\n" ); |
| 100 | |
| 101 | fwohci_init(&sc->sc_sc); |
| 102 | |
| 103 | /* Map I/O registers */ |
| 104 | if (Cardbus_mapreg_map(ct, PCI_OHCI_MAP_REGISTER, PCI_MAPREG_TYPE_MEM, |
| 105 | 0, &sc->sc_sc.bst, &sc->sc_sc.bsh, NULL, &sc->sc_sc.bssize)) { |
| 106 | aprint_error_dev(self, "can't map OHCI register space\n" ); |
| 107 | return; |
| 108 | } |
| 109 | |
| 110 | sc->sc_sc.fc.dev = self; |
| 111 | sc->sc_sc.fc.dmat = ca->ca_dmat; |
| 112 | sc->sc_cc = cc; |
| 113 | sc->sc_cf = cf; |
| 114 | sc->sc_ct = ct; |
| 115 | |
| 116 | /* Disable interrupts, so we don't get any spurious ones. */ |
| 117 | OWRITE(&sc->sc_sc, FWOHCI_INTMASKCLR, OHCI_INT_EN); |
| 118 | |
| 119 | /* Enable the device. */ |
| 120 | csr = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG); |
| 121 | Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, |
| 122 | csr | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE); |
| 123 | |
| 124 | sc->sc_ih = Cardbus_intr_establish(ct, IPL_BIO, fwohci_intr, sc); |
| 125 | if (sc->sc_ih == NULL) { |
| 126 | aprint_error_dev(self, "couldn't establish interrupt\n" ); |
| 127 | return; |
| 128 | } |
| 129 | |
| 130 | /* XXX NULL should be replaced by some call to Cardbus coed */ |
| 131 | if (fwohci_attach(&sc->sc_sc) != 0) { |
| 132 | Cardbus_intr_disestablish(ct, sc->sc_ih); |
| 133 | sc->sc_ih = NULL; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | int |
| 138 | fwohci_cardbus_detach(device_t self, int flags) |
| 139 | { |
| 140 | struct fwohci_cardbus_softc *sc = device_private(self); |
| 141 | cardbus_devfunc_t ct = sc->sc_ct; |
| 142 | int rv; |
| 143 | |
| 144 | rv = fwohci_detach(&sc->sc_sc, flags); |
| 145 | |
| 146 | if (rv) |
| 147 | return (rv); |
| 148 | if (sc->sc_ih != NULL) { |
| 149 | Cardbus_intr_disestablish(ct, sc->sc_ih); |
| 150 | sc->sc_ih = NULL; |
| 151 | } |
| 152 | if (sc->sc_sc.bssize) { |
| 153 | Cardbus_mapreg_unmap(ct, PCI_OHCI_MAP_REGISTER, |
| 154 | sc->sc_sc.bst, sc->sc_sc.bsh, |
| 155 | sc->sc_sc.bssize); |
| 156 | sc->sc_sc.bssize = 0; |
| 157 | } |
| 158 | return (0); |
| 159 | } |
| 160 | |