1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
|
/*
* linux/arch/m68k/amiga/amikeyb.c
*
* Amiga Keyboard driver for Linux/m68k
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
/*
* Amiga support by Hamish Macdonald
*/
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/errno.h>
#include <linux/keyboard.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/kd.h>
#include <linux/random.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/kbd_ll.h>
#include <asm/amigaints.h>
#include <asm/amigahw.h>
#include <asm/irq.h>
#define AMIKEY_CAPS (0x62)
#define BREAK_MASK (0x80)
#define RESET_WARNING (0xf0) /* before rotation */
static u_short amiplain_map[NR_KEYS] __initdata = {
0xf060, 0xf031, 0xf032, 0xf033, 0xf034, 0xf035, 0xf036, 0xf037,
0xf038, 0xf039, 0xf030, 0xf02d, 0xf03d, 0xf05c, 0xf200, 0xf300,
0xfb71, 0xfb77, 0xfb65, 0xfb72, 0xfb74, 0xfb79, 0xfb75, 0xfb69,
0xfb6f, 0xfb70, 0xf05b, 0xf05d, 0xf200, 0xf301, 0xf302, 0xf303,
0xfb61, 0xfb73, 0xfb64, 0xfb66, 0xfb67, 0xfb68, 0xfb6a, 0xfb6b,
0xfb6c, 0xf03b, 0xf027, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306,
0xf200, 0xfb7a, 0xfb78, 0xfb63, 0xfb76, 0xfb62, 0xfb6e, 0xfb6d,
0xf02c, 0xf02e, 0xf02f, 0xf200, 0xf310, 0xf307, 0xf308, 0xf309,
0xf020, 0xf07f, 0xf009, 0xf30e, 0xf201, 0xf01b, 0xf07f, 0xf200,
0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601,
0xf100, 0xf101, 0xf102, 0xf103, 0xf104, 0xf105, 0xf106, 0xf107,
0xf108, 0xf109, 0xf312, 0xf313, 0xf30d, 0xf30c, 0xf30a, 0xf11b,
0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
};
static u_short amishift_map[NR_KEYS] = {
0xf07e, 0xf021, 0xf040, 0xf023, 0xf024, 0xf025, 0xf05e, 0xf026,
0xf02a, 0xf028, 0xf029, 0xf05f, 0xf02b, 0xf07c, 0xf200, 0xf300,
0xfb51, 0xfb57, 0xfb45, 0xfb52, 0xfb54, 0xfb59, 0xfb55, 0xfb49,
0xfb4f, 0xfb50, 0xf07b, 0xf07d, 0xf200, 0xf301, 0xf302, 0xf303,
0xfb41, 0xfb53, 0xfb44, 0xfb46, 0xfb47, 0xfb48, 0xfb4a, 0xfb4b,
0xfb4c, 0xf03a, 0xf022, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306,
0xf200, 0xfb5a, 0xfb58, 0xfb43, 0xfb56, 0xfb42, 0xfb4e, 0xfb4d,
0xf03c, 0xf03e, 0xf03f, 0xf200, 0xf310, 0xf307, 0xf308, 0xf309,
0xf020, 0xf07f, 0xf009, 0xf30e, 0xf201, 0xf01b, 0xf07f, 0xf200,
0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601,
0xf10a, 0xf10b, 0xf10c, 0xf10d, 0xf10e, 0xf10f, 0xf110, 0xf111,
0xf112, 0xf113, 0xf208, 0xf209, 0xf30d, 0xf30c, 0xf30a, 0xf203,
0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
};
static u_short amialtgr_map[NR_KEYS] = {
0xf200, 0xf200, 0xf040, 0xf200, 0xf024, 0xf200, 0xf200, 0xf07b,
0xf05b, 0xf05d, 0xf07d, 0xf05c, 0xf200, 0xf200, 0xf200, 0xf300,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf07e, 0xf200, 0xf301, 0xf302, 0xf303,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf310, 0xf307, 0xf308, 0xf309,
0xf200, 0xf07f, 0xf200, 0xf30e, 0xf201, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601,
0xf50c, 0xf50d, 0xf50e, 0xf50f, 0xf510, 0xf511, 0xf512, 0xf513,
0xf514, 0xf515, 0xf208, 0xf209, 0xf30d, 0xf30c, 0xf30a, 0xf204,
0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
};
static u_short amictrl_map[NR_KEYS] = {
0xf000, 0xf200, 0xf000, 0xf01b, 0xf01c, 0xf01d, 0xf01e, 0xf01f,
0xf07f, 0xf200, 0xf200, 0xf01f, 0xf200, 0xf01c, 0xf200, 0xf300,
0xf011, 0xf017, 0xf005, 0xf012, 0xf014, 0xf019, 0xf015, 0xf009,
0xf00f, 0xf010, 0xf01b, 0xf01d, 0xf200, 0xf301, 0xf302, 0xf303,
0xf001, 0xf013, 0xf004, 0xf006, 0xf007, 0xf008, 0xf00a, 0xf00b,
0xf00c, 0xf200, 0xf007, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306,
0xf200, 0xf01a, 0xf018, 0xf003, 0xf016, 0xf002, 0xf00e, 0xf00d,
0xf200, 0xf200, 0xf07f, 0xf200, 0xf310, 0xf307, 0xf308, 0xf309,
0xf000, 0xf07f, 0xf200, 0xf30e, 0xf201, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601,
0xf100, 0xf101, 0xf102, 0xf103, 0xf104, 0xf105, 0xf106, 0xf107,
0xf108, 0xf109, 0xf208, 0xf209, 0xf30d, 0xf30c, 0xf30a, 0xf202,
0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
};
static u_short amishift_ctrl_map[NR_KEYS] = {
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf300,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302, 0xf303,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf310, 0xf307, 0xf308, 0xf309,
0xf200, 0xf07f, 0xf200, 0xf30e, 0xf201, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf208, 0xf209, 0xf30d, 0xf30c, 0xf30a, 0xf200,
0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
};
static u_short amialt_map[NR_KEYS] = {
0xf860, 0xf831, 0xf832, 0xf833, 0xf834, 0xf835, 0xf836, 0xf837,
0xf838, 0xf839, 0xf830, 0xf82d, 0xf83d, 0xf85c, 0xf200, 0xf900,
0xf871, 0xf877, 0xf865, 0xf872, 0xf874, 0xf879, 0xf875, 0xf869,
0xf86f, 0xf870, 0xf85b, 0xf85d, 0xf200, 0xf901, 0xf902, 0xf903,
0xf861, 0xf873, 0xf864, 0xf866, 0xf867, 0xf868, 0xf86a, 0xf86b,
0xf86c, 0xf83b, 0xf827, 0xf200, 0xf200, 0xf904, 0xf905, 0xf906,
0xf200, 0xf87a, 0xf878, 0xf863, 0xf876, 0xf862, 0xf86e, 0xf86d,
0xf82c, 0xf82e, 0xf82f, 0xf200, 0xf310, 0xf907, 0xf908, 0xf909,
0xf820, 0xf87f, 0xf809, 0xf30e, 0xf80d, 0xf81b, 0xf87f, 0xf200,
0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601,
0xf500, 0xf501, 0xf502, 0xf503, 0xf504, 0xf505, 0xf506, 0xf507,
0xf508, 0xf509, 0xf208, 0xf209, 0xf30d, 0xf30c, 0xf30a, 0xf204,
0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
};
static u_short amictrl_alt_map[NR_KEYS] = {
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf300,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302, 0xf303,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf304, 0xf305, 0xf306,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf20c, 0xf307, 0xf308, 0xf309,
0xf200, 0xf07f, 0xf200, 0xf30e, 0xf201, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf30b, 0xf200, 0xf603, 0xf600, 0xf602, 0xf601,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf208, 0xf209, 0xf30d, 0xf30c, 0xf30a, 0xf200,
0xf700, 0xf700, 0xf207, 0xf702, 0xf703, 0xf701, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200,
};
#define DEFAULT_KEYB_REP_DELAY (HZ/4)
#define DEFAULT_KEYB_REP_RATE (HZ/25)
/* These could be settable by some ioctl() in future... */
static unsigned int key_repeat_delay = DEFAULT_KEYB_REP_DELAY;
static unsigned int key_repeat_rate = DEFAULT_KEYB_REP_RATE;
static unsigned char rep_scancode;
static void amikeyb_rep(unsigned long ignore);
static struct timer_list amikeyb_rep_timer = {NULL, NULL, 0, 0, amikeyb_rep};
static void amikeyb_rep(unsigned long ignore)
{
unsigned long flags;
save_flags(flags);
cli();
kbd_pt_regs = NULL;
amikeyb_rep_timer.expires = jiffies + key_repeat_rate;
amikeyb_rep_timer.prev = amikeyb_rep_timer.next = NULL;
add_timer(&amikeyb_rep_timer);
handle_scancode(rep_scancode);
restore_flags(flags);
}
static void keyboard_interrupt(int irq, void *dummy, struct pt_regs *fp)
{
unsigned char scancode, break_flag, keycode;
static int reset_warning = 0;
/* save frame for register dump */
kbd_pt_regs = fp;
/* get and invert scancode (keyboard is active low) */
scancode = ~ciaa.sdr;
/* switch SP pin to output for handshake */
ciaa.cra |= 0x40;
#if 0 // No longer used
/*
* On receipt of the second RESET_WARNING, we must not pull KDAT high
* again to delay the hard reset as long as possible.
*
* Note that not all keyboards send reset warnings...
*/
if (reset_warning)
if (scancode == RESET_WARNING) {
printk(KERN_ALERT "amikeyb: Ctrl-Amiga-Amiga reset warning!!\n"
"The system will be reset within 10 seconds!!\n");
/* Panic doesn't sync from within an interrupt, so we do nothing */
return;
} else
/* Probably a mistake, cancel the alert */
reset_warning = 0;
#endif
/* wait until 85 us have expired */
udelay(85);
/* switch CIA serial port to input mode */
ciaa.cra &= ~0x40;
mark_bh(KEYBOARD_BH);
/* rotate scan code to get up/down bit in proper position */
__asm__ __volatile__ ("rorb #1,%0" : "=g" (scancode) : "0" (scancode));
/*
* Check make/break first
*/
break_flag = scancode & BREAK_MASK;
keycode = scancode & (unsigned char)~BREAK_MASK;
if (keycode == AMIKEY_CAPS) {
/* if the key is CAPS, fake a press/release. */
handle_scancode(AMIKEY_CAPS);
handle_scancode(BREAK_MASK | AMIKEY_CAPS);
} else if (keycode < 0x78) {
/* handle repeat */
if (break_flag) {
del_timer(&amikeyb_rep_timer);
rep_scancode = 0;
} else {
del_timer(&amikeyb_rep_timer);
rep_scancode = keycode;
amikeyb_rep_timer.expires = jiffies + key_repeat_delay;
amikeyb_rep_timer.prev = amikeyb_rep_timer.next = NULL;
add_timer(&amikeyb_rep_timer);
}
handle_scancode(scancode);
} else
switch (keycode) {
case 0x78:
reset_warning = 1;
break;
case 0x79:
printk(KERN_WARNING "amikeyb: keyboard lost sync\n");
break;
case 0x7a:
printk(KERN_WARNING "amikeyb: keyboard buffer overflow\n");
break;
#if 0 /* obsolete according to the HRM */
case 0x7b:
printk(KERN_WARNING "amikeyb: keyboard controller failure\n");
break;
#endif
case 0x7c:
printk(KERN_ERR "amikeyb: keyboard selftest failure\n");
break;
case 0x7d:
printk(KERN_INFO "amikeyb: initiate power-up key stream\n");
break;
case 0x7e:
printk(KERN_INFO "amikeyb: terminate power-up key stream\n");
break;
#if 0 /* obsolete according to the HRM */
case 0x7f:
printk(KERN_WARNING "amikeyb: keyboard interrupt\n");
break;
#endif
default:
printk(KERN_WARNING "amikeyb: unknown keyboard communication code 0x%02x\n",
scancode);
break;
}
}
__initfunc(int amiga_keyb_init(void))
{
if (!AMIGAHW_PRESENT(AMI_KEYBOARD))
return -EIO;
/* setup key map */
memcpy(plain_map, amiplain_map, sizeof(plain_map));
key_maps[1] = amishift_map;
key_maps[2] = amialtgr_map;
key_maps[4] = amictrl_map;
key_maps[5] = amishift_ctrl_map;
key_maps[8] = amialt_map;
key_maps[12] = amictrl_alt_map;
/*
* Initialize serial data direction.
*/
ciaa.cra &= ~0x41; /* serial data in, turn off TA */
/*
* arrange for processing of keyboard interrupt
*/
request_irq(IRQ_AMIGA_CIAA_SP, keyboard_interrupt, 0, "keyboard", NULL);
return 0;
}
int amiga_kbdrate( struct kbd_repeat *k )
{
if (k->delay > 0) {
/* convert from msec to jiffies */
key_repeat_delay = (k->delay * HZ + 500) / 1000;
if (key_repeat_delay < 1)
key_repeat_delay = 1;
}
if (k->rate > 0) {
key_repeat_rate = (k->rate * HZ + 500) / 1000;
if (key_repeat_rate < 1)
key_repeat_rate = 1;
}
k->delay = key_repeat_delay * 1000 / HZ;
k->rate = key_repeat_rate * 1000 / HZ;
return( 0 );
}
|
