| 1 | /* $NetBSD: ohci_cardbus.c,v 1.43 2016/07/14 04:00:45 msaitoh 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 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * USB Open Host Controller driver. |
| 35 | * |
| 36 | * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf |
| 37 | * USB spec: http://www.teleport.com/cgi-bin/mailmerge.cgi/~usb/cgiform.tpl |
| 38 | */ |
| 39 | |
| 40 | #include <sys/cdefs.h> |
| 41 | __KERNEL_RCSID(0, "$NetBSD: ohci_cardbus.c,v 1.43 2016/07/14 04:00:45 msaitoh 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 | |
| 51 | #include <sys/bus.h> |
| 52 | |
| 53 | #if defined pciinc |
| 54 | #include <dev/pci/pcidevs.h> |
| 55 | #endif |
| 56 | |
| 57 | #include <dev/cardbus/cardbusvar.h> |
| 58 | #include <dev/pci/pcidevs.h> |
| 59 | |
| 60 | #include <dev/cardbus/usb_cardbus.h> |
| 61 | |
| 62 | #include <dev/usb/usb.h> |
| 63 | #include <dev/usb/usbdi.h> |
| 64 | #include <dev/usb/usbdivar.h> |
| 65 | #include <dev/usb/usb_mem.h> |
| 66 | |
| 67 | #include <dev/usb/ohcireg.h> |
| 68 | #include <dev/usb/ohcivar.h> |
| 69 | |
| 70 | int ohci_cardbus_match(device_t, cfdata_t, void *); |
| 71 | void ohci_cardbus_attach(device_t, device_t, void *); |
| 72 | int ohci_cardbus_detach(device_t, int); |
| 73 | |
| 74 | struct ohci_cardbus_softc { |
| 75 | ohci_softc_t sc; |
| 76 | #if NEHCI_CARDBUS > 0 |
| 77 | struct usb_cardbus sc_cardbus; |
| 78 | #endif |
| 79 | cardbus_chipset_tag_t sc_cc; |
| 80 | cardbus_function_tag_t sc_cf; |
| 81 | cardbus_devfunc_t sc_ct; |
| 82 | void *sc_ih; /* interrupt vectoring */ |
| 83 | }; |
| 84 | |
| 85 | CFATTACH_DECL_NEW(ohci_cardbus, sizeof(struct ohci_cardbus_softc), |
| 86 | ohci_cardbus_match, ohci_cardbus_attach, ohci_cardbus_detach, |
| 87 | ohci_activate); |
| 88 | |
| 89 | int |
| 90 | ohci_cardbus_match(device_t parent, cfdata_t match, void *aux) |
| 91 | { |
| 92 | struct cardbus_attach_args *ca = (struct cardbus_attach_args *)aux; |
| 93 | |
| 94 | if (PCI_CLASS(ca->ca_class) == PCI_CLASS_SERIALBUS && |
| 95 | PCI_SUBCLASS(ca->ca_class) == PCI_SUBCLASS_SERIALBUS_USB && |
| 96 | PCI_INTERFACE(ca->ca_class) == PCI_INTERFACE_OHCI) |
| 97 | return 1; |
| 98 | |
| 99 | return 0; |
| 100 | } |
| 101 | |
| 102 | void |
| 103 | ohci_cardbus_attach(device_t parent, device_t self, void *aux) |
| 104 | { |
| 105 | struct ohci_cardbus_softc *sc = device_private(self); |
| 106 | struct cardbus_attach_args *ca = 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 | pcireg_t csr; |
| 111 | char devinfo[256]; |
| 112 | const char *devname = device_xname(self); |
| 113 | |
| 114 | sc->sc.sc_dev = self; |
| 115 | sc->sc.sc_bus.ub_hcpriv = sc; |
| 116 | |
| 117 | pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo)); |
| 118 | printf(": %s (rev. 0x%02x)\n" , devinfo, |
| 119 | PCI_REVISION(ca->ca_class)); |
| 120 | |
| 121 | /* Map I/O registers */ |
| 122 | if (Cardbus_mapreg_map(ct, PCI_CBMEM, PCI_MAPREG_TYPE_MEM, 0, |
| 123 | &sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) { |
| 124 | aprint_error("%s: can't map mem space\n" , devname); |
| 125 | return; |
| 126 | } |
| 127 | |
| 128 | sc->sc_cc = cc; |
| 129 | sc->sc_cf = cf; |
| 130 | sc->sc_ct = ct; |
| 131 | sc->sc.sc_bus.ub_dmatag = ca->ca_dmat; |
| 132 | |
| 133 | /* Enable the device. */ |
| 134 | csr = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG); |
| 135 | Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, |
| 136 | csr | PCI_COMMAND_MASTER_ENABLE |
| 137 | | PCI_COMMAND_MEM_ENABLE); |
| 138 | |
| 139 | /* Disable interrupts, so we don't can any spurious ones. */ |
| 140 | bus_space_write_4(sc->sc.iot, sc->sc.ioh, OHCI_INTERRUPT_DISABLE, |
| 141 | OHCI_ALL_INTRS); |
| 142 | |
| 143 | sc->sc_ih = Cardbus_intr_establish(ct, IPL_USB, ohci_intr, sc); |
| 144 | if (sc->sc_ih == NULL) { |
| 145 | aprint_error("%s: couldn't establish interrupt\n" , devname); |
| 146 | return; |
| 147 | } |
| 148 | |
| 149 | /* Figure out vendor for root hub descriptor. */ |
| 150 | sc->sc.sc_id_vendor = PCI_VENDOR(ca->ca_id); |
| 151 | pci_findvendor(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor), |
| 152 | sc->sc.sc_id_vendor); |
| 153 | |
| 154 | int err = ohci_init(&sc->sc); |
| 155 | if (err) { |
| 156 | aprint_error("%s: init failed, error=%d\n" , devname, err); |
| 157 | |
| 158 | /* Avoid spurious interrupts. */ |
| 159 | Cardbus_intr_disestablish(ct, sc->sc_ih); |
| 160 | sc->sc_ih = 0; |
| 161 | |
| 162 | return; |
| 163 | } |
| 164 | |
| 165 | #if NEHCI_CARDBUS > 0 |
| 166 | usb_cardbus_add(&sc->sc_cardbus, ca, self); |
| 167 | #endif |
| 168 | |
| 169 | if (!pmf_device_register1(self, ohci_suspend, ohci_resume, |
| 170 | ohci_shutdown)) |
| 171 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 172 | |
| 173 | /* Attach usb device. */ |
| 174 | sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint); |
| 175 | } |
| 176 | |
| 177 | int |
| 178 | ohci_cardbus_detach(device_t self, int flags) |
| 179 | { |
| 180 | struct ohci_cardbus_softc *sc = device_private(self); |
| 181 | struct cardbus_devfunc *ct = sc->sc_ct; |
| 182 | int rv; |
| 183 | |
| 184 | rv = ohci_detach(&sc->sc, flags); |
| 185 | if (rv) |
| 186 | return rv; |
| 187 | if (sc->sc_ih != NULL) { |
| 188 | Cardbus_intr_disestablish(ct, sc->sc_ih); |
| 189 | sc->sc_ih = NULL; |
| 190 | } |
| 191 | if (sc->sc.sc_size) { |
| 192 | Cardbus_mapreg_unmap(ct, PCI_CBMEM, sc->sc.iot, |
| 193 | sc->sc.ioh, sc->sc.sc_size); |
| 194 | sc->sc.sc_size = 0; |
| 195 | } |
| 196 | #if NEHCI_CARDBUS > 0 |
| 197 | usb_cardbus_rem(&sc->sc_cardbus); |
| 198 | #endif |
| 199 | return 0; |
| 200 | } |
| 201 | |