ia64/linux-2.6.18-xen.hg

view arch/arm26/lib/kbd.c @ 647:a5bb490065f6

Fix the build after public header sync.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Wed Aug 13 14:01:49 2008 +0100 (2008-08-13)
parents 831230e53067
children
line source
1 #include <linux/kd.h>
2 //#include <linux/kbd_ll.h>
3 #include <linux/kbd_kern.h>
5 /*
6 * Translation of escaped scancodes to keycodes.
7 * This is now user-settable.
8 * The keycodes 1-88,96-111,119 are fairly standard, and
9 * should probably not be changed - changing might confuse X.
10 * X also interprets scancode 0x5d (KEY_Begin).
11 *
12 * For 1-88 keycode equals scancode.
13 */
15 #define E0_KPENTER 96
16 #define E0_RCTRL 97
17 #define E0_KPSLASH 98
18 #define E0_PRSCR 99
19 #define E0_RALT 100
20 #define E0_BREAK 101 /* (control-pause) */
21 #define E0_HOME 102
22 #define E0_UP 103
23 #define E0_PGUP 104
24 #define E0_LEFT 105
25 #define E0_RIGHT 106
26 #define E0_END 107
27 #define E0_DOWN 108
28 #define E0_PGDN 109
29 #define E0_INS 110
30 #define E0_DEL 111
32 /* for USB 106 keyboard */
33 #define E0_YEN 124
34 #define E0_BACKSLASH 89
37 #define E1_PAUSE 119
39 /*
40 * The keycodes below are randomly located in 89-95,112-118,120-127.
41 * They could be thrown away (and all occurrences below replaced by 0),
42 * but that would force many users to use the `setkeycodes' utility, where
43 * they needed not before. It does not matter that there are duplicates, as
44 * long as no duplication occurs for any single keyboard.
45 */
46 #define SC_LIM 89
48 #define FOCUS_PF1 85 /* actual code! */
49 #define FOCUS_PF2 89
50 #define FOCUS_PF3 90
51 #define FOCUS_PF4 91
52 #define FOCUS_PF5 92
53 #define FOCUS_PF6 93
54 #define FOCUS_PF7 94
55 #define FOCUS_PF8 95
56 #define FOCUS_PF9 120
57 #define FOCUS_PF10 121
58 #define FOCUS_PF11 122
59 #define FOCUS_PF12 123
61 #define JAP_86 124
62 /* tfj@olivia.ping.dk:
63 * The four keys are located over the numeric keypad, and are
64 * labelled A1-A4. It's an rc930 keyboard, from
65 * Regnecentralen/RC International, Now ICL.
66 * Scancodes: 59, 5a, 5b, 5c.
67 */
68 #define RGN1 124
69 #define RGN2 125
70 #define RGN3 126
71 #define RGN4 127
73 static unsigned char high_keys[128 - SC_LIM] = {
74 RGN1, RGN2, RGN3, RGN4, 0, 0, 0, /* 0x59-0x5f */
75 0, 0, 0, 0, 0, 0, 0, 0, /* 0x60-0x67 */
76 0, 0, 0, 0, 0, FOCUS_PF11, 0, FOCUS_PF12, /* 0x68-0x6f */
77 0, 0, 0, FOCUS_PF2, FOCUS_PF9, 0, 0, FOCUS_PF3, /* 0x70-0x77 */
78 FOCUS_PF4, FOCUS_PF5, FOCUS_PF6, FOCUS_PF7, /* 0x78-0x7b */
79 FOCUS_PF8, JAP_86, FOCUS_PF10, 0 /* 0x7c-0x7f */
80 };
82 /* BTC */
83 #define E0_MACRO 112
84 /* LK450 */
85 #define E0_F13 113
86 #define E0_F14 114
87 #define E0_HELP 115
88 #define E0_DO 116
89 #define E0_F17 117
90 #define E0_KPMINPLUS 118
91 /*
92 * My OmniKey generates e0 4c for the "OMNI" key and the
93 * right alt key does nada. [kkoller@nyx10.cs.du.edu]
94 */
95 #define E0_OK 124
96 /*
97 * New microsoft keyboard is rumoured to have
98 * e0 5b (left window button), e0 5c (right window button),
99 * e0 5d (menu button). [or: LBANNER, RBANNER, RMENU]
100 * [or: Windows_L, Windows_R, TaskMan]
101 */
102 #define E0_MSLW 125
103 #define E0_MSRW 126
104 #define E0_MSTM 127
106 static unsigned char e0_keys[128] = {
107 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00-0x07 */
108 0, 0, 0, 0, 0, 0, 0, 0, /* 0x08-0x0f */
109 0, 0, 0, 0, 0, 0, 0, 0, /* 0x10-0x17 */
110 0, 0, 0, 0, E0_KPENTER, E0_RCTRL, 0, 0, /* 0x18-0x1f */
111 0, 0, 0, 0, 0, 0, 0, 0, /* 0x20-0x27 */
112 0, 0, 0, 0, 0, 0, 0, 0, /* 0x28-0x2f */
113 0, 0, 0, 0, 0, E0_KPSLASH, 0, E0_PRSCR, /* 0x30-0x37 */
114 E0_RALT, 0, 0, 0, 0, E0_F13, E0_F14, E0_HELP, /* 0x38-0x3f */
115 E0_DO, E0_F17, 0, 0, 0, 0, E0_BREAK, E0_HOME, /* 0x40-0x47 */
116 E0_UP, E0_PGUP, 0, E0_LEFT, E0_OK, E0_RIGHT, E0_KPMINPLUS, E0_END, /* 0x48-0x4f */
117 E0_DOWN, E0_PGDN, E0_INS, E0_DEL, 0, 0, 0, 0, /* 0x50-0x57 */
118 0, 0, 0, E0_MSLW, E0_MSRW, E0_MSTM, 0, 0, /* 0x58-0x5f */
119 0, 0, 0, 0, 0, 0, 0, 0, /* 0x60-0x67 */
120 0, 0, 0, 0, 0, 0, 0, E0_MACRO, /* 0x68-0x6f */
121 //0, 0, 0, 0, 0, 0, 0, 0, /* 0x70-0x77 */
122 0, 0, 0, 0, 0, E0_BACKSLASH, 0, 0, /* 0x70-0x77 */
123 0, 0, 0, E0_YEN, 0, 0, 0, 0 /* 0x78-0x7f */
124 };
126 static int gen_setkeycode(unsigned int scancode, unsigned int keycode)
127 {
128 if (scancode < SC_LIM || scancode > 255 || keycode > 127)
129 return -EINVAL;
130 if (scancode < 128)
131 high_keys[scancode - SC_LIM] = keycode;
132 else
133 e0_keys[scancode - 128] = keycode;
134 return 0;
135 }
137 static int gen_getkeycode(unsigned int scancode)
138 {
139 return
140 (scancode < SC_LIM || scancode > 255) ? -EINVAL :
141 (scancode <
142 128) ? high_keys[scancode - SC_LIM] : e0_keys[scancode - 128];
143 }
145 static int
146 gen_translate(unsigned char scancode, unsigned char *keycode, char raw_mode)
147 {
148 static int prev_scancode;
150 /* special prefix scancodes.. */
151 if (scancode == 0xe0 || scancode == 0xe1) {
152 prev_scancode = scancode;
153 return 0;
154 }
156 /* 0xFF is sent by a few keyboards, ignore it. 0x00 is error */
157 if (scancode == 0x00 || scancode == 0xff) {
158 prev_scancode = 0;
159 return 0;
160 }
162 scancode &= 0x7f;
164 if (prev_scancode) {
165 /*
166 * usually it will be 0xe0, but a Pause key generates
167 * e1 1d 45 e1 9d c5 when pressed, and nothing when released
168 */
169 if (prev_scancode != 0xe0) {
170 if (prev_scancode == 0xe1 && scancode == 0x1d) {
171 prev_scancode = 0x100;
172 return 0;
173 }
174 else if (prev_scancode == 0x100
175 && scancode == 0x45) {
176 *keycode = E1_PAUSE;
177 prev_scancode = 0;
178 } else {
179 #ifdef KBD_REPORT_UNKN
180 if (!raw_mode)
181 printk(KERN_INFO
182 "keyboard: unknown e1 escape sequence\n");
183 #endif
184 prev_scancode = 0;
185 return 0;
186 }
187 } else {
188 prev_scancode = 0;
189 /*
190 * The keyboard maintains its own internal caps lock and
191 * num lock statuses. In caps lock mode E0 AA precedes make
192 * code and E0 2A follows break code. In num lock mode,
193 * E0 2A precedes make code and E0 AA follows break code.
194 * We do our own book-keeping, so we will just ignore these.
195 */
196 /*
197 * For my keyboard there is no caps lock mode, but there are
198 * both Shift-L and Shift-R modes. The former mode generates
199 * E0 2A / E0 AA pairs, the latter E0 B6 / E0 36 pairs.
200 * So, we should also ignore the latter. - aeb@cwi.nl
201 */
202 if (scancode == 0x2a || scancode == 0x36)
203 return 0;
205 if (e0_keys[scancode])
206 *keycode = e0_keys[scancode];
207 else {
208 #ifdef KBD_REPORT_UNKN
209 if (!raw_mode)
210 printk(KERN_INFO
211 "keyboard: unknown scancode e0 %02x\n",
212 scancode);
213 #endif
214 return 0;
215 }
216 }
217 } else if (scancode >= SC_LIM) {
218 /* This happens with the FOCUS 9000 keyboard
219 Its keys PF1..PF12 are reported to generate
220 55 73 77 78 79 7a 7b 7c 74 7e 6d 6f
221 Moreover, unless repeated, they do not generate
222 key-down events, so we have to zero up_flag below */
223 /* Also, Japanese 86/106 keyboards are reported to
224 generate 0x73 and 0x7d for \ - and \ | respectively. */
225 /* Also, some Brazilian keyboard is reported to produce
226 0x73 and 0x7e for \ ? and KP-dot, respectively. */
228 *keycode = high_keys[scancode - SC_LIM];
230 if (!*keycode) {
231 if (!raw_mode) {
232 #ifdef KBD_REPORT_UNKN
233 printk(KERN_INFO
234 "keyboard: unrecognized scancode (%02x)"
235 " - ignored\n", scancode);
236 #endif
237 }
238 return 0;
239 }
240 } else
241 *keycode = scancode;
242 return 1;
243 }
245 static char gen_unexpected_up(unsigned char keycode)
246 {
247 /* unexpected, but this can happen: maybe this was a key release for a
248 FOCUS 9000 PF key; if we want to see it, we have to clear up_flag */
249 if (keycode >= SC_LIM || keycode == 85)
250 return 0;
251 else
252 return 0200;
253 }
255 /*
256 * These are the default mappings
257 */
258 int (*k_setkeycode)(unsigned int, unsigned int) = gen_setkeycode;
259 int (*k_getkeycode)(unsigned int) = gen_getkeycode;
260 int (*k_translate)(unsigned char, unsigned char *, char) = gen_translate;
261 char (*k_unexpected_up)(unsigned char) = gen_unexpected_up;
262 void (*k_leds)(unsigned char);
264 /* Simple translation table for the SysRq keys */
266 #ifdef CONFIG_MAGIC_SYSRQ
267 static unsigned char gen_sysrq_xlate[128] =
268 "\000\0331234567890-=\177\t" /* 0x00 - 0x0f */
269 "qwertyuiop[]\r\000as" /* 0x10 - 0x1f */
270 "dfghjkl;'`\000\\zxcv" /* 0x20 - 0x2f */
271 "bnm,./\000*\000 \000\201\202\203\204\205" /* 0x30 - 0x3f */
272 "\206\207\210\211\212\000\000789-456+1" /* 0x40 - 0x4f */
273 "230\177\000\000\213\214\000\000\000\000\000\000\000\000\000\000" /* 0x50 - 0x5f */
274 "\r\000/"; /* 0x60 - 0x6f */
276 unsigned char *k_sysrq_xlate = gen_sysrq_xlate;
277 int k_sysrq_key = 0x54;
278 #endif