1 /* $NetBSD: ttycons.c,v 1.1 2007/12/29 14:38:31 jmcneill 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jared D. McNeill. 18 * 4. Neither the name of The NetBSD Foundation nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: ttycons.c,v 1.1 2007/12/29 14:38:31 jmcneill Exp $"); 37 38 #include <sys/param.h> 39 #include <sys/proc.h> 40 #include <sys/user.h> 41 #include <sys/systm.h> 42 #include <sys/device.h> 43 44 #include <dev/cons.h> 45 46 #include <machine/mainbus.h> 47 48 static int ttycons_match(device_t, cfdata_t, void *); 49 static void ttycons_attach(device_t, device_t, void *); 50 51 void ttycons_consinit(void); 52 53 typedef struct ttycons_softc { 54 device_t sc_dev; 55 } ttycons_softc_t; 56 57 dev_type_cngetc(ttycons_cngetc); 58 dev_type_cnputc(ttycons_cnputc); 59 dev_type_cnpollc(ttycons_cnpollc); 60 61 static struct cnm_state ttycons_cnm_state; 62 struct consdev ttycons_consdev = { 63 .cn_getc = ttycons_cngetc, 64 .cn_putc = ttycons_cnputc, 65 .cn_pollc = ttycons_cnpollc, 66 }; 67 68 CFATTACH_DECL_NEW(ttycons, sizeof(ttycons_softc_t), 69 ttycons_match, ttycons_attach, NULL, NULL); 70 71 static int 72 ttycons_match(device_t parent, cfdata_t match, void *opaque) 73 { 74 struct thunkbus_attach_args *taa = opaque; 75 76 if (taa->taa_type != THUNKBUS_TYPE_TTYCONS) 77 return 0; 78 79 return 1; 80 } 81 82 static void 83 ttycons_attach(device_t parent, device_t self, void *opaque) 84 { 85 ttycons_softc_t *sc = device_private(self); 86 87 aprint_naive("\n"); 88 aprint_normal(": console\n"); 89 90 sc->sc_dev = self; 91 } 92 93 void 94 ttycons_consinit(void) 95 { 96 cn_tab = &ttycons_consdev; 97 cn_init_magic(&ttycons_cnm_state); 98 cn_set_magic("\047\001"); 99 } 100 101 int 102 ttycons_cngetc(dev_t dev) 103 { 104 extern int getchar(void); 105 return getchar(); 106 } 107 108 void 109 ttycons_cnputc(dev_t dev, int c) 110 { 111 extern void putchar(int); 112 putchar(c); 113 } 114 115 void 116 ttycons_cnpollc(dev_t dev, int on) 117 { 118 } 119