c33250945b
gcc6 says: keyboard.c:46:21: warning: ‘linux_to_x’ defined but not used Only referenced by a bunch of long if-0'd code, so chuck it all out. Reviewed-by: Julien Cristau <jcristau@debian.org> Signed-off-by: Adam Jackson <ajax@redhat.com>
342 lines
12 KiB
C
342 lines
12 KiB
C
/*
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* Copyright © 1999 Keith Packard
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* XKB integration © 2006 Nokia Corporation, author: Tomas Frydrych <tf@o-hand.com>
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*
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* LinuxKeyboardRead() XKB code based on xf86KbdLnx.c:
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* Copyright © 1990,91 by Thomas Roell, Dinkelscherben, Germany.
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* Copyright © 1994-2001 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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#ifdef HAVE_CONFIG_H
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#include <kdrive-config.h>
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#endif
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#include "kdrive.h"
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#include <linux/keyboard.h>
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#include <linux/kd.h>
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#define XK_PUBLISHING
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#include <X11/keysym.h>
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#include <termios.h>
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#include <sys/ioctl.h>
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extern int LinuxConsoleFd;
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/*
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* We need these to handle extended scancodes correctly (I could just use the
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* numbers below, but this makes the code more readable
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*/
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/* The prefix codes */
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#define KEY_Prefix0 /* special 0x60 */ 96
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#define KEY_Prefix1 /* special 0x61 */ 97
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/* The raw scancodes */
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#define KEY_Enter /* Enter 0x1c */ 28
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#define KEY_LCtrl /* Ctrl(left) 0x1d */ 29
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#define KEY_Slash /* / (Slash) ? 0x35 */ 53
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#define KEY_KP_Multiply /* * 0x37 */ 55
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#define KEY_Alt /* Alt(left) 0x38 */ 56
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#define KEY_F3 /* F3 0x3d */ 61
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#define KEY_F4 /* F4 0x3e */ 62
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#define KEY_F5 /* F5 0x3f */ 63
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#define KEY_F6 /* F6 0x40 */ 64
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#define KEY_F7 /* F7 0x41 */ 65
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#define KEY_ScrollLock /* ScrollLock 0x46 */ 70
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#define KEY_KP_7 /* 7 Home 0x47 */ 71
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#define KEY_KP_8 /* 8 Up 0x48 */ 72
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#define KEY_KP_9 /* 9 PgUp 0x49 */ 73
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#define KEY_KP_Minus /* - (Minus) 0x4a */ 74
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#define KEY_KP_4 /* 4 Left 0x4b */ 75
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#define KEY_KP_5 /* 5 0x4c */ 76
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#define KEY_KP_6 /* 6 Right 0x4d */ 77
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#define KEY_KP_Plus /* + (Plus) 0x4e */ 78
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#define KEY_KP_1 /* 1 End 0x4f */ 79
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#define KEY_KP_2 /* 2 Down 0x50 */ 80
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#define KEY_KP_3 /* 3 PgDown 0x51 */ 81
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#define KEY_KP_0 /* 0 Insert 0x52 */ 82
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#define KEY_KP_Decimal /* . (Decimal) Delete 0x53 */ 83
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#define KEY_Home /* Home 0x59 */ 89
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#define KEY_Up /* Up 0x5a */ 90
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#define KEY_PgUp /* PgUp 0x5b */ 91
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#define KEY_Left /* Left 0x5c */ 92
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#define KEY_Begin /* Begin 0x5d */ 93
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#define KEY_Right /* Right 0x5e */ 94
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#define KEY_End /* End 0x5f */ 95
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#define KEY_Down /* Down 0x60 */ 96
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#define KEY_PgDown /* PgDown 0x61 */ 97
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#define KEY_Insert /* Insert 0x62 */ 98
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#define KEY_Delete /* Delete 0x63 */ 99
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#define KEY_KP_Enter /* Enter 0x64 */ 100
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#define KEY_RCtrl /* Ctrl(right) 0x65 */ 101
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#define KEY_Pause /* Pause 0x66 */ 102
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#define KEY_Print /* Print 0x67 */ 103
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#define KEY_KP_Divide /* Divide 0x68 */ 104
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#define KEY_AltLang /* AtlLang(right) 0x69 */ 105
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#define KEY_Break /* Break 0x6a */ 106
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#define KEY_LMeta /* Left Meta 0x6b */ 107
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#define KEY_RMeta /* Right Meta 0x6c */ 108
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#define KEY_Menu /* Menu 0x6d */ 109
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#define KEY_F13 /* F13 0x6e */ 110
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#define KEY_F14 /* F14 0x6f */ 111
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#define KEY_F15 /* F15 0x70 */ 112
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#define KEY_F16 /* F16 0x71 */ 113
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#define KEY_F17 /* F17 0x72 */ 114
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#define KEY_KP_DEC /* KP_DEC 0x73 */ 115
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static void
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LinuxKeyboardRead(int fd, void *closure)
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{
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unsigned char buf[256], *b;
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int n;
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unsigned char prefix = 0, scancode = 0;
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while ((n = read(fd, buf, sizeof(buf))) > 0) {
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b = buf;
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while (n--) {
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/*
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* With xkb we use RAW mode for reading the console, which allows us
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* process extended scancodes.
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*
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* See if this is a prefix extending the following keycode
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*/
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if (!prefix && ((b[0] & 0x7f) == KEY_Prefix0)) {
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prefix = KEY_Prefix0;
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/* swallow this up */
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b++;
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continue;
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}
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else if (!prefix && ((b[0] & 0x7f) == KEY_Prefix1)) {
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prefix = KEY_Prefix1;
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/* swallow this up */
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b++;
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continue;
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}
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scancode = b[0] & 0x7f;
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switch (prefix) {
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/* from xf86Events.c */
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case KEY_Prefix0:
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{
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switch (scancode) {
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case KEY_KP_7:
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scancode = KEY_Home;
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break; /* curs home */
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case KEY_KP_8:
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scancode = KEY_Up;
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break; /* curs up */
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case KEY_KP_9:
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scancode = KEY_PgUp;
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break; /* curs pgup */
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case KEY_KP_4:
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scancode = KEY_Left;
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break; /* curs left */
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case KEY_KP_5:
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scancode = KEY_Begin;
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break; /* curs begin */
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case KEY_KP_6:
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scancode = KEY_Right;
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break; /* curs right */
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case KEY_KP_1:
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scancode = KEY_End;
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break; /* curs end */
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case KEY_KP_2:
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scancode = KEY_Down;
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break; /* curs down */
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case KEY_KP_3:
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scancode = KEY_PgDown;
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break; /* curs pgdown */
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case KEY_KP_0:
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scancode = KEY_Insert;
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break; /* curs insert */
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case KEY_KP_Decimal:
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scancode = KEY_Delete;
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break; /* curs delete */
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case KEY_Enter:
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scancode = KEY_KP_Enter;
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break; /* keypad enter */
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case KEY_LCtrl:
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scancode = KEY_RCtrl;
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break; /* right ctrl */
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case KEY_KP_Multiply:
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scancode = KEY_Print;
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break; /* print */
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case KEY_Slash:
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scancode = KEY_KP_Divide;
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break; /* keyp divide */
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case KEY_Alt:
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scancode = KEY_AltLang;
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break; /* right alt */
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case KEY_ScrollLock:
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scancode = KEY_Break;
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break; /* curs break */
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case 0x5b:
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scancode = KEY_LMeta;
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break;
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case 0x5c:
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scancode = KEY_RMeta;
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break;
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case 0x5d:
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scancode = KEY_Menu;
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break;
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case KEY_F3:
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scancode = KEY_F13;
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break;
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case KEY_F4:
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scancode = KEY_F14;
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break;
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case KEY_F5:
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scancode = KEY_F15;
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break;
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case KEY_F6:
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scancode = KEY_F16;
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break;
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case KEY_F7:
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scancode = KEY_F17;
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break;
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case KEY_KP_Plus:
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scancode = KEY_KP_DEC;
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break;
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/* Ignore virtual shifts (E0 2A, E0 AA, E0 36, E0 B6) */
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case 0x2A:
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case 0x36:
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b++;
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prefix = 0;
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continue;
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default:
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/*
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* "Internet" keyboards are generating lots of new
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* codes. Let them pass. There is little consistency
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* between them, so don't bother with symbolic names at
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* this level.
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*/
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scancode += 0x78;
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}
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break;
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}
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case KEY_Prefix1:
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{
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/* we do no handle these */
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b++;
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prefix = 0;
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continue;
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}
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default: /* should not happen */
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case 0: /* do nothing */
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;
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}
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prefix = 0;
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KdEnqueueKeyboardEvent(closure, scancode, b[0] & 0x80);
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b++;
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}
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}
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}
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static int LinuxKbdTrans;
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static struct termios LinuxTermios;
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static Status
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LinuxKeyboardEnable(KdKeyboardInfo * ki)
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{
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struct termios nTty;
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unsigned char buf[256];
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int n;
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int fd;
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if (!ki)
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return !Success;
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fd = LinuxConsoleFd;
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ki->driverPrivate = (void *) (intptr_t) fd;
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ioctl(fd, KDGKBMODE, &LinuxKbdTrans);
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tcgetattr(fd, &LinuxTermios);
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ioctl(fd, KDSKBMODE, K_RAW);
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nTty = LinuxTermios;
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nTty.c_iflag = (IGNPAR | IGNBRK) & (~PARMRK) & (~ISTRIP);
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nTty.c_oflag = 0;
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nTty.c_cflag = CREAD | CS8;
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nTty.c_lflag = 0;
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nTty.c_cc[VTIME] = 0;
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nTty.c_cc[VMIN] = 1;
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cfsetispeed(&nTty, 9600);
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cfsetospeed(&nTty, 9600);
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tcsetattr(fd, TCSANOW, &nTty);
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/*
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* Flush any pending keystrokes
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*/
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while ((n = read(fd, buf, sizeof(buf))) > 0);
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KdRegisterFd(fd, LinuxKeyboardRead, ki);
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return Success;
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}
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static void
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LinuxKeyboardDisable(KdKeyboardInfo * ki)
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{
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int fd;
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if (!ki)
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return;
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fd = (int) (intptr_t) ki->driverPrivate;
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KdUnregisterFd(ki, fd, FALSE);
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ioctl(fd, KDSKBMODE, LinuxKbdTrans);
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tcsetattr(fd, TCSANOW, &LinuxTermios);
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}
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static Status
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LinuxKeyboardInit(KdKeyboardInfo * ki)
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{
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if (!ki)
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return !Success;
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free(ki->path);
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ki->path = strdup("console");
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free(ki->name);
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ki->name = strdup("Linux console keyboard");
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return Success;
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}
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static void
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LinuxKeyboardLeds(KdKeyboardInfo * ki, int leds)
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{
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if (!ki)
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return;
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ioctl((int) (intptr_t) ki->driverPrivate, KDSETLED, leds & 7);
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}
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KdKeyboardDriver LinuxKeyboardDriver = {
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"keyboard",
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.Init = LinuxKeyboardInit,
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.Enable = LinuxKeyboardEnable,
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.Leds = LinuxKeyboardLeds,
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.Disable = LinuxKeyboardDisable,
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};
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