1 /* $NetBSD: ttycons.c,v 1.5 2011/08/28 21:21:05 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 * 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 1.5 2011/08/28 21:21:05 jmcneill Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/proc.h> 34 #include <sys/systm.h> 35 #include <sys/device.h> 36 #include <sys/termios.h> 37 38 #include <dev/cons.h> 39 40 #include <machine/mainbus.h> 41 #include <machine/thunk.h> 42 43 static int ttycons_match(device_t, cfdata_t, void *); 44 static void ttycons_attach(device_t, device_t, void *); 45 46 void ttycons_consinit(void); 47 48 typedef struct ttycons_softc { 49 device_t sc_dev; 50 } ttycons_softc_t; 51 52 dev_type_cngetc(ttycons_cngetc); 53 dev_type_cnputc(ttycons_cnputc); 54 dev_type_cnpollc(ttycons_cnpollc); 55 56 static struct cnm_state ttycons_cnm_state; 57 struct consdev ttycons_consdev = { 58 .cn_getc = ttycons_cngetc, 59 .cn_putc = ttycons_cnputc, 60 .cn_pollc = ttycons_cnpollc, 61 }; 62 63 CFATTACH_DECL_NEW(ttycons, sizeof(ttycons_softc_t), 64 ttycons_match, ttycons_attach, NULL, NULL); 65 66 static int 67 ttycons_match(device_t parent, cfdata_t match, void *opaque) 68 { 69 struct thunkbus_attach_args *taa = opaque; 70 71 if (taa->taa_type != THUNKBUS_TYPE_TTYCONS) 72 return 0; 73 74 return 1; 75 } 76 77 static void 78 ttycons_attach(device_t parent, device_t self, void *opaque) 79 { 80 ttycons_softc_t *sc = device_private(self); 81 82 aprint_naive("\n"); 83 aprint_normal(": console\n"); 84 85 sc->sc_dev = self; 86 } 87 88 void 89 ttycons_consinit(void) 90 { 91 struct thunk_termios t; 92 93 thunk_tcgetattr(0, &t); 94 t.c_lflag &= ~(ECHO|ICANON); 95 t.c_cc[VTIME] = 0; 96 t.c_cc[VMIN] = 1; 97 thunk_tcsetattr(0, TCSANOW, &t); 98 99 cn_tab = &ttycons_consdev; 100 cn_init_magic(&ttycons_cnm_state); 101 cn_set_magic("\047\001"); 102 103 104 } 105 106 int 107 ttycons_cngetc(dev_t dev) 108 { 109 return thunk_getchar(); 110 } 111 112 void 113 ttycons_cnputc(dev_t dev, int c) 114 { 115 thunk_putchar(c); 116 } 117 118 void 119 ttycons_cnpollc(dev_t dev, int on) 120 { 121 } 122