usr/src/uts/common/io/consconfig.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 /*
  27  * Console and mouse configuration
  28  */
  29
  30 #include <sys/types.h>
  31 #include <sys/param.h>
  32 #include <sys/cmn_err.h>
  33 #include <sys/user.h>
  34 #include <sys/vfs.h>
  35 #include <sys/vnode.h>
  36 #include <sys/systm.h>
  37 #include <sys/file.h>
  38 #include <sys/klwp.h>
  39 #include <sys/stropts.h>
  40 #include <sys/stream.h>
  41 #include <sys/strsubr.h>
  42
  43 #include <sys/consdev.h>
  44 #include <sys/kbio.h>
  45 #include <sys/debug.h>
  46 #include <sys/reboot.h>
  47 #include <sys/termios.h>
  48
  49 #include <sys/ddi.h>
  50 #include <sys/sunddi.h>
  51 #include <sys/modctl.h>
  52 #include <sys/ddi_impldefs.h>
  53
  54 #include <sys/strsubr.h>
  55 #include <sys/errno.h>
  56 #include <sys/devops.h>
  57 #include <sys/note.h>
  58 #include <sys/consplat.h>
  59
  60 /*
  61  * On supported configurations, the firmware defines the keyboard and mouse
  62  * paths.  However, during USB development, it is useful to be able to use
  63  * the USB keyboard and mouse on machines without full USB firmware support.
  64  * These variables may be set in /etc/system according to a machine's
  65  * USB configuration.  This module will override the firmware's values
  66  * with these.
  67  */
  68 static char *usb_kb_path = NULL;
  69 static char *usb_ms_path = NULL;
  70
  71 /*
  72  * This is the loadable module wrapper.
  73  */
  74 extern struct mod_ops mod_miscops;
  75
  76 /*
  77  * Module linkage information for the kernel.
  78  */
  79 static struct modlmisc modlmisc = {
  80         &mod_miscops, "console configuration"
  81 };
  82
  83 static struct modlinkage modlinkage = {
  84         MODREV_1, (void *)&modlmisc, NULL
  85 };
  86
  87 int
  88 _init(void)
  89 {
  90         return (mod_install(&modlinkage));
  91 }
  92
  93 int
  94 _fini(void)
  95 {
  96         return (mod_remove(&modlinkage));
  97 }
  98
  99 int
 100 _info(struct modinfo *modinfop)
 101 {
 102         return (mod_info(&modlinkage, modinfop));
 103 }
 104
 105 extern void dynamic_console_config(void);
 106 extern boolean_t consconfig_dacf_initialized(void);
 107
 108 /*
 109  * Configure keyboard and mouse. Main entry here.
 110  */
 111 void
 112 consconfig(void)
 113 {
 114         dynamic_console_config();
 115 }
 116
 117 extern char *
 118 consconfig_get_usb_kb_path(void) {
 119         if (usb_kb_path)
 120                 return (i_ddi_strdup(usb_kb_path, KM_SLEEP));
 121         return (NULL);
 122 }
 123
 124 extern char *
 125 consconfig_get_usb_ms_path(void) {
 126         if (usb_ms_path)
 127                 return (i_ddi_strdup(usb_ms_path, KM_SLEEP));
 128         return (NULL);
 129 }
 130
 131 extern char *
 132 consconfig_get_plat_fbpath(void) {
 133         return (plat_fbpath());
 134 }
 135
 136 extern boolean_t
 137 consconfig_console_is_ready(void) {
 138         return (consconfig_dacf_initialized());
 139 }