1 /* $OpenBSD: lpt_ebus.c,v 1.7 2003/02/17 01:29:20 henric Exp $ */ 2 /* $NetBSD: lpt_ebus.c,v 1.8 2002/03/01 11:51:00 martin Exp $ */ 3 4 /* 5 * Copyright (c) 1999, 2000 Matthew R. Green 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 /* 33 * NS Super I/O PC87332VLJ "lpt" to ebus attachment 34 */ 35 36 #include <sys/types.h> 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 #include <sys/tty.h> 41 42 #include <machine/bus.h> 43 44 #include <sparc64/dev/ebusreg.h> 45 #include <sparc64/dev/ebusvar.h> 46 47 #include <dev/ic/lptvar.h> 48 49 struct lpt_ebus_softc { 50 struct lpt_softc sc_lpt; 51 bus_space_handle_t sc_ctrl; 52 }; 53 54 int lpt_ebus_match(struct device *, void *, void *); 55 void lpt_ebus_attach(struct device *, struct device *, void *); 56 57 struct cfattach lpt_ebus_ca = { 58 sizeof(struct lpt_ebus_softc), lpt_ebus_match, lpt_ebus_attach 59 }; 60 61 int 62 lpt_ebus_match(parent, match, aux) 63 struct device *parent; 64 void *match; 65 void *aux; 66 { 67 struct ebus_attach_args *ea = aux; 68 69 if (!strcmp(ea->ea_name, "ecpp") || 70 !strcmp(ea->ea_name, "parallel")) 71 return (1); 72 return (0); 73 } 74 75 void 76 lpt_ebus_attach(parent, self, aux) 77 struct device *parent, *self; 78 void *aux; 79 { 80 struct lpt_ebus_softc *sc = (void *)self; 81 struct ebus_attach_args *ea = aux; 82 83 84 if (ebus_bus_map(ea->ea_memtag, 0, 85 EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size, 86 0, 0, &sc->sc_lpt.sc_ioh) == 0) { 87 sc->sc_lpt.sc_iot = ea->ea_memtag; 88 } else if (ebus_bus_map(ea->ea_iotag, 0, 89 EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size, 90 0, 0, &sc->sc_lpt.sc_ioh) == 0) { 91 sc->sc_lpt.sc_iot = ea->ea_iotag; 92 } else { 93 printf(": can't map register space\n"); 94 return; 95 } 96 97 if (ebus_bus_map(sc->sc_lpt.sc_iot, 0, 98 EBUS_PADDR_FROM_REG(&ea->ea_regs[1]), ea->ea_regs[1].size, 99 BUS_SPACE_MAP_LINEAR, 0, &sc->sc_ctrl) != 0) { 100 printf(": can't map control space\n"); 101 bus_space_unmap(sc->sc_lpt.sc_iot, sc->sc_lpt.sc_ioh, 102 ea->ea_regs[0].size); 103 return; 104 } 105 106 sc->sc_lpt.sc_flags |= LPT_POLLED; 107 printf(": polled"); 108 109 lpt_attach_common(&sc->sc_lpt); 110 } 111