1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2006 Marcel Moolenaar 5 * Copyright (c) 1997-2000 Nicolas Souchu 6 * Copyright (c) 2001 Alcove - Nicolas Souchu 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/param.h> 32 #include <sys/kernel.h> 33 #include <sys/module.h> 34 #include <sys/bus.h> 35 36 #include <machine/bus.h> 37 38 #include <dev/puc/puc_bus.h> 39 40 #include <dev/ppbus/ppbconf.h> 41 #include <dev/ppbus/ppb_msq.h> 42 #include <dev/ppc/ppcvar.h> 43 #include <dev/ppc/ppcreg.h> 44 45 #include "ppbus_if.h" 46 47 static int ppc_puc_probe(device_t dev); 48 49 static device_method_t ppc_puc_methods[] = { 50 /* device interface */ 51 DEVMETHOD(device_probe, ppc_puc_probe), 52 DEVMETHOD(device_attach, ppc_attach), 53 DEVMETHOD(device_detach, ppc_detach), 54 55 /* bus interface */ 56 DEVMETHOD(bus_read_ivar, ppc_read_ivar), 57 DEVMETHOD(bus_write_ivar, ppc_write_ivar), 58 DEVMETHOD(bus_alloc_resource, ppc_alloc_resource), 59 DEVMETHOD(bus_release_resource, ppc_release_resource), 60 61 /* ppbus interface */ 62 DEVMETHOD(ppbus_io, ppc_io), 63 DEVMETHOD(ppbus_exec_microseq, ppc_exec_microseq), 64 DEVMETHOD(ppbus_reset_epp, ppc_reset_epp), 65 DEVMETHOD(ppbus_setmode, ppc_setmode), 66 DEVMETHOD(ppbus_ecp_sync, ppc_ecp_sync), 67 DEVMETHOD(ppbus_read, ppc_read), 68 DEVMETHOD(ppbus_write, ppc_write), 69 { 0, 0 } 70 }; 71 72 static driver_t ppc_puc_driver = { 73 ppc_driver_name, 74 ppc_puc_methods, 75 sizeof(struct ppc_data), 76 }; 77 78 static int 79 ppc_puc_probe(device_t dev) 80 { 81 device_t parent; 82 uintptr_t type; 83 84 parent = device_get_parent(dev); 85 if (BUS_READ_IVAR(parent, dev, PUC_IVAR_TYPE, &type)) 86 return (ENXIO); 87 if (type != PUC_TYPE_PARALLEL) 88 return (ENXIO); 89 90 device_set_desc(dev, "Parallel port"); 91 return (ppc_probe(dev, 0)); 92 } 93 94 DRIVER_MODULE(ppc, puc, ppc_puc_driver, 0, 0); 95