1/* $OpenBSD: lpt_ebus.c,v 1.12 2022/10/16 01:22:39 jsg 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30/* 31 * NS Super I/O PC87332VLJ "lpt" to ebus attachment 32 */ 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/device.h> 37#include <sys/tty.h> 38 39#include <machine/bus.h> 40 41#include <sparc64/dev/ebusreg.h> 42#include <sparc64/dev/ebusvar.h> 43 44#include <dev/ic/lptvar.h> 45 46struct lpt_ebus_softc { 47 struct lpt_softc sc_lpt; 48 bus_space_handle_t sc_ctrl; 49}; 50 51int lpt_ebus_match(struct device *, void *, void *); 52void lpt_ebus_attach(struct device *, struct device *, void *); 53 54const struct cfattach lpt_ebus_ca = { 55 sizeof(struct lpt_ebus_softc), lpt_ebus_match, lpt_ebus_attach 56}; 57 58int 59lpt_ebus_match(struct device *parent, void *match, void *aux) 60{ 61 struct ebus_attach_args *ea = aux; 62 63 if (!strcmp(ea->ea_name, "ecpp") || 64 !strcmp(ea->ea_name, "parallel")) 65 return (1); 66 return (0); 67} 68 69void 70lpt_ebus_attach(struct device *parent, struct device *self, void *aux) 71{ 72 struct lpt_ebus_softc *sc = (void *)self; 73 struct ebus_attach_args *ea = aux; 74 75 76 if (ebus_bus_map(ea->ea_memtag, 0, 77 EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size, 78 0, 0, &sc->sc_lpt.sc_ioh) == 0) { 79 sc->sc_lpt.sc_iot = ea->ea_memtag; 80 } else if (ebus_bus_map(ea->ea_iotag, 0, 81 EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size, 82 0, 0, &sc->sc_lpt.sc_ioh) == 0) { 83 sc->sc_lpt.sc_iot = ea->ea_iotag; 84 } else { 85 printf(": can't map register space\n"); 86 return; 87 } 88 89 if (ebus_bus_map(sc->sc_lpt.sc_iot, 0, 90 EBUS_PADDR_FROM_REG(&ea->ea_regs[1]), ea->ea_regs[1].size, 0, 0, 91 &sc->sc_ctrl) != 0) { 92 printf(": can't map control space\n"); 93 bus_space_unmap(sc->sc_lpt.sc_iot, sc->sc_lpt.sc_ioh, 94 ea->ea_regs[0].size); 95 return; 96 } 97 98 sc->sc_lpt.sc_flags |= LPT_POLLED; 99 printf(": polled"); 100 101 lpt_attach_common(&sc->sc_lpt); 102} 103