Annotation of sys/arch/sparc64/dev/lpt_ebus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: lpt_ebus.c,v 1.8 2003/12/16 15:04:56 jason 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, 0, 0,
! 99: &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: }
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