1 /*- 2 * Copyright (c) 2006 Marcel Moolenaar 3 * Copyright (c) 1997-2000 Nicolas Souchu 4 * Copyright (c) 2001 Alcove - Nicolas Souchu 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/kernel.h> 34 #include <sys/module.h> 35 #include <sys/bus.h> 36 37 #include <machine/bus.h> 38 39 #include <dev/puc/puc_bus.h> 40 41 #include <dev/ppbus/ppbconf.h> 42 #include <dev/ppbus/ppb_msq.h> 43 #include <dev/ppc/ppcvar.h> 44 #include <dev/ppc/ppcreg.h> 45 46 #include "ppbus_if.h" 47 48 static int ppc_puc_probe(device_t dev); 49 50 static device_method_t ppc_puc_methods[] = { 51 /* device interface */ 52 DEVMETHOD(device_probe, ppc_puc_probe), 53 DEVMETHOD(device_attach, ppc_attach), 54 DEVMETHOD(device_detach, ppc_detach), 55 56 /* bus interface */ 57 DEVMETHOD(bus_read_ivar, ppc_read_ivar), 58 DEVMETHOD(bus_write_ivar, ppc_write_ivar), 59 DEVMETHOD(bus_alloc_resource, ppc_alloc_resource), 60 DEVMETHOD(bus_release_resource, ppc_release_resource), 61 62 /* ppbus interface */ 63 DEVMETHOD(ppbus_io, ppc_io), 64 DEVMETHOD(ppbus_exec_microseq, ppc_exec_microseq), 65 DEVMETHOD(ppbus_reset_epp, ppc_reset_epp), 66 DEVMETHOD(ppbus_setmode, ppc_setmode), 67 DEVMETHOD(ppbus_ecp_sync, ppc_ecp_sync), 68 DEVMETHOD(ppbus_read, ppc_read), 69 DEVMETHOD(ppbus_write, ppc_write), 70 71 { 0, 0 } 72 }; 73 74 static driver_t ppc_puc_driver = { 75 ppc_driver_name, 76 ppc_puc_methods, 77 sizeof(struct ppc_data), 78 }; 79 80 static int 81 ppc_puc_probe(device_t dev) 82 { 83 device_t parent; 84 uintptr_t type; 85 86 parent = device_get_parent(dev); 87 if (BUS_READ_IVAR(parent, dev, PUC_IVAR_TYPE, &type)) 88 return (ENXIO); 89 if (type != PUC_TYPE_PARALLEL) 90 return (ENXIO); 91 92 device_set_desc(dev, "Parallel port"); 93 return (ppc_probe(dev, 0)); 94 } 95 96 DRIVER_MODULE(ppc, puc, ppc_puc_driver, ppc_devclass, 0, 0); 97