1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2004-2005 M. Warner Losh. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/bio.h> 34 #include <sys/bus.h> 35 #include <sys/kernel.h> 36 #include <sys/lock.h> 37 #include <sys/module.h> 38 #include <sys/mutex.h> 39 #include <sys/rman.h> 40 #include <sys/systm.h> 41 #include <machine/bus.h> 42 43 #include <dev/fdc/fdcvar.h> 44 #include <dev/pccard/pccardvar.h> 45 #include "pccarddevs.h" 46 47 static int fdc_pccard_probe(device_t); 48 static int fdc_pccard_attach(device_t); 49 50 static const struct pccard_product fdc_pccard_products[] = { 51 PCMCIA_CARD(YEDATA, EXTERNAL_FDD), 52 { NULL } 53 }; 54 55 static int 56 fdc_pccard_alloc_resources(device_t dev, struct fdc_data *fdc) 57 { 58 struct resource *res; 59 int rid, i; 60 61 rid = 0; 62 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 63 if (res == NULL) { 64 device_printf(dev, "cannot alloc I/O port range\n"); 65 return (ENXIO); 66 } 67 for (i = 0; i < FDC_MAXREG; i++) { 68 fdc->resio[i] = res; 69 fdc->ridio[i] = rid; 70 fdc->ioff[i] = i; 71 fdc->ioh[i] = rman_get_bushandle(res); 72 } 73 fdc->iot = rman_get_bustag(res); 74 75 fdc->rid_irq = 0; 76 fdc->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &fdc->rid_irq, 77 RF_ACTIVE | RF_SHAREABLE); 78 if (fdc->res_irq == NULL) { 79 device_printf(dev, "cannot reserve interrupt line\n"); 80 return (ENXIO); 81 } 82 return (0); 83 } 84 85 static int 86 fdc_pccard_probe(device_t dev) 87 { 88 if (pccard_product_lookup(dev, fdc_pccard_products, 89 sizeof(fdc_pccard_products[0]), NULL) != NULL) { 90 device_set_desc(dev, "PC Card Floppy"); 91 return (0); 92 } 93 return (ENXIO); 94 } 95 96 static int 97 fdc_pccard_attach(device_t dev) 98 { 99 int error; 100 struct fdc_data *fdc; 101 device_t child; 102 103 fdc = device_get_softc(dev); 104 fdc->flags = FDC_NODMA | FDC_NOFAST; 105 fdc->fdct = FDC_NE765; 106 error = fdc_pccard_alloc_resources(dev, fdc); 107 if (error == 0) 108 error = fdc_attach(dev); 109 if (error == 0) { 110 child = fdc_add_child(dev, "fd", -1); 111 device_set_flags(child, 0x24); 112 error = bus_generic_attach(dev); 113 } 114 if (error == 0) 115 fdc_start_worker(dev); 116 else 117 fdc_release_resources(fdc); 118 return (error); 119 } 120 121 static device_method_t fdc_pccard_methods[] = { 122 /* Device interface */ 123 DEVMETHOD(device_probe, fdc_pccard_probe), 124 DEVMETHOD(device_attach, fdc_pccard_attach), 125 DEVMETHOD(device_detach, fdc_detach), 126 DEVMETHOD(device_shutdown, bus_generic_shutdown), 127 DEVMETHOD(device_suspend, bus_generic_suspend), 128 DEVMETHOD(device_resume, bus_generic_resume), 129 130 /* Bus interface */ 131 DEVMETHOD(bus_print_child, fdc_print_child), 132 DEVMETHOD(bus_read_ivar, fdc_read_ivar), 133 DEVMETHOD(bus_write_ivar, fdc_write_ivar), 134 /* Our children never use any other bus interface methods. */ 135 136 { 0, 0 } 137 }; 138 139 static driver_t fdc_pccard_driver = { 140 "fdc", 141 fdc_pccard_methods, 142 sizeof(struct fdc_data) 143 }; 144 145 DRIVER_MODULE(fdc, pccard, fdc_pccard_driver, fdc_devclass, 0, 0); 146 PCCARD_PNP_INFO(fdc_pccard_products); 147