1/*- 2 * Copyright (c) 2003 Jake Burkholder. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/cons.h> 34#include <sys/consio.h> 35#include <sys/kernel.h> 36#include <sys/limits.h> 37#include <sys/module.h> 38 39#include <dev/ofw/ofw_bus.h> 40 41#include <machine/bus.h> 42 43#include <dev/syscons/syscons.h> 44 45#define SC_MD_MAX 8 46#define SC_MD_FLAGS SC_AUTODETECT_KBD 47 48static sc_softc_t sc_softcs[SC_MD_MAX]; 49 50static device_identify_t sc_identify; 51static device_probe_t sc_probe; 52static device_attach_t sc_attach; 53 54static device_method_t sc_methods[] = { 55 /* Device interface */ 56 DEVMETHOD(device_identify, sc_identify), 57 DEVMETHOD(device_probe, sc_probe), 58 DEVMETHOD(device_attach, sc_attach), 59 60 DEVMETHOD_END 61}; 62 63static driver_t sc_driver = { 64 SC_DRIVER_NAME, 65 sc_methods, 66 1, /* no softc */ 67}; 68 69static devclass_t sc_devclass; 70 71DRIVER_MODULE(sc, nexus, sc_driver, sc_devclass, 0, 0); 72 73static void 74sc_identify(driver_t *driver, device_t parent) 75{ 76 77 /* 78 * Add with a priority guaranteed to make it last on 79 * the device list. 80 */ 81 BUS_ADD_CHILD(parent, INT_MAX, SC_DRIVER_NAME, 0); 82} 83 84static int 85sc_probe(device_t dev) 86{ 87 int unit; 88 89 unit = device_get_unit(dev); 90 if (strcmp(ofw_bus_get_name(dev), SC_DRIVER_NAME) != 0 || 91 unit >= SC_MD_MAX) 92 return (ENXIO); 93 94 device_set_desc(dev, "System console"); 95 return (sc_probe_unit(unit, device_get_flags(dev) | SC_MD_FLAGS)); 96} 97 98static int 99sc_attach(device_t dev) 100{ 101 102 return (sc_attach_unit(device_get_unit(dev), 103 device_get_flags(dev) | SC_MD_FLAGS)); 104} 105 106int 107sc_get_cons_priority(int *unit, int *flags) 108{ 109 110 *unit = 0; 111 *flags = 0; 112 return (CN_INTERNAL); 113} 114 115int 116sc_max_unit(void) 117{ 118 119 return (devclass_get_maxunit(sc_devclass)); 120} 121 122sc_softc_t * 123sc_get_softc(int unit, int flags) 124{ 125 sc_softc_t *sc; 126 127 if (unit < 0 || unit >= SC_MD_MAX) 128 return (NULL); 129 sc = &sc_softcs[unit]; 130 sc->unit = unit; 131 if ((sc->flags & SC_INIT_DONE) == 0) { 132 sc->keyboard = -1; 133 sc->adapter = -1; 134 sc->cursor_char = SC_CURSOR_CHAR; 135 sc->mouse_char = SC_MOUSE_CHAR; 136 } 137 return (sc); 138} 139 140void 141sc_get_bios_values(bios_values_t *values) 142{ 143 144} 145 146int 147sc_tone(int hz) 148{ 149 150 return (0); 151} 152