1 /* $NetBSD: ttycons.c,v 1.3 2009/11/27 03:23:14 rmind Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: ttycons.c,v 1.3 2009/11/27 03:23:14 rmind Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/proc.h> 34 #include <sys/systm.h> 35 #include <sys/device.h> 36 37 #include <dev/cons.h> 38 39 #include <machine/mainbus.h> 40 41 static int ttycons_match(device_t, cfdata_t, void *); 42 static void ttycons_attach(device_t, device_t, void *); 43 44 void ttycons_consinit(void); 45 46 typedef struct ttycons_softc { 47 device_t sc_dev; 48 } ttycons_softc_t; 49 50 dev_type_cngetc(ttycons_cngetc); 51 dev_type_cnputc(ttycons_cnputc); 52 dev_type_cnpollc(ttycons_cnpollc); 53 54 static struct cnm_state ttycons_cnm_state; 55 struct consdev ttycons_consdev = { 56 .cn_getc = ttycons_cngetc, 57 .cn_putc = ttycons_cnputc, 58 .cn_pollc = ttycons_cnpollc, 59 }; 60 61 CFATTACH_DECL_NEW(ttycons, sizeof(ttycons_softc_t), 62 ttycons_match, ttycons_attach, NULL, NULL); 63 64 static int 65 ttycons_match(device_t parent, cfdata_t match, void *opaque) 66 { 67 struct thunkbus_attach_args *taa = opaque; 68 69 if (taa->taa_type != THUNKBUS_TYPE_TTYCONS) 70 return 0; 71 72 return 1; 73 } 74 75 static void 76 ttycons_attach(device_t parent, device_t self, void *opaque) 77 { 78 ttycons_softc_t *sc = device_private(self); 79 80 aprint_naive("\n"); 81 aprint_normal(": console\n"); 82 83 sc->sc_dev = self; 84 } 85 86 void 87 ttycons_consinit(void) 88 { 89 cn_tab = &ttycons_consdev; 90 cn_init_magic(&ttycons_cnm_state); 91 cn_set_magic("\047\001"); 92 } 93 94 int 95 ttycons_cngetc(dev_t dev) 96 { 97 extern int getchar(void); 98 return getchar(); 99 } 100 101 void 102 ttycons_cnputc(dev_t dev, int c) 103 { 104 extern void putchar(int); 105 putchar(c); 106 } 107 108 void 109 ttycons_cnpollc(dev_t dev, int on) 110 { 111 } 112