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1
/*
1
/*
2
 * Copyright (C) 2006 Jakub Jermar
2
 * Copyright (c) 2006 Jakub Jermar
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 * All rights reserved.
3
 * All rights reserved.
4
 *
4
 *
5
 * Redistribution and use in source and binary forms, with or without
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
6
 * modification, are permitted provided that the following conditions
7
 * are met:
7
 * are met:
8
 *
8
 *
9
 * - Redistributions of source code must retain the above copyright
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
15
 *   derived from this software without specific prior written permission.
16
 *
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
27
 */
28
 
28
 
29
/** @addtogroup genarch
29
/** @addtogroup genarch
30
 * @{
30
 * @{
31
 */
31
 */
32
/**
32
/**
33
 * @file
33
 * @file
34
 * @brief   Key processing.
34
 * @brief   Key processing.
35
 */
35
 */
36
 
36
 
37
#include <genarch/kbd/key.h>
37
#include <genarch/kbd/key.h>
38
#include <genarch/kbd/scanc.h>
38
#include <genarch/kbd/scanc.h>
39
#ifdef CONFIG_I8042
39
#ifdef CONFIG_I8042
40
#include <genarch/kbd/scanc_pc.h>
40
#include <genarch/kbd/scanc_pc.h>
41
#endif
41
#endif
42
#if (defined(CONFIG_Z8530) || defined(CONFIG_NS16550))
42
#if (defined(CONFIG_Z8530) || defined(CONFIG_NS16550))
43
#include <genarch/kbd/scanc_sun.h>
43
#include <genarch/kbd/scanc_sun.h>
44
#endif
44
#endif
45
#include <synch/spinlock.h>
45
#include <synch/spinlock.h>
46
#include <console/chardev.h>
46
#include <console/chardev.h>
47
#include <typedefs.h>
47
#include <typedefs.h>
48
#include <macros.h>
48
#include <macros.h>
49
 
49
 
50
#define PRESSED_SHIFT       (1<<0)
50
#define PRESSED_SHIFT       (1<<0)
51
#define PRESSED_CAPSLOCK    (1<<1)
51
#define PRESSED_CAPSLOCK    (1<<1)
52
#define LOCKED_CAPSLOCK     (1<<0)
52
#define LOCKED_CAPSLOCK     (1<<0)
53
 
53
 
54
#define ACTIVE_READ_BUFF_SIZE 16    /* Must be power of 2 */
54
#define ACTIVE_READ_BUFF_SIZE 16    /* Must be power of 2 */
55
 
55
 
56
chardev_t kbrd;
56
chardev_t kbrd;
57
 
57
 
58
static uint8_t active_read_buff[ACTIVE_READ_BUFF_SIZE];
58
static uint8_t active_read_buff[ACTIVE_READ_BUFF_SIZE];
59
 
59
 
60
SPINLOCK_INITIALIZE(keylock);       /**< keylock protects keyflags and lockflags. */
60
SPINLOCK_INITIALIZE(keylock);       /**< keylock protects keyflags and lockflags. */
61
static volatile int keyflags;       /**< Tracking of multiple keypresses. */
61
static volatile int keyflags;       /**< Tracking of multiple keypresses. */
62
static volatile int lockflags;      /**< Tracking of multiple keys lockings. */
62
static volatile int lockflags;      /**< Tracking of multiple keys lockings. */
63
 
63
 
64
/** Process release of key.
64
/** Process release of key.
65
 *
65
 *
66
 * @param sc Scancode of the key being released.
66
 * @param sc Scancode of the key being released.
67
 */
67
 */
68
void key_released(uint8_t sc)
68
void key_released(uint8_t sc)
69
{
69
{
70
    spinlock_lock(&keylock);
70
    spinlock_lock(&keylock);
71
    switch (sc) {
71
    switch (sc) {
72
    case SC_LSHIFT:
72
    case SC_LSHIFT:
73
    case SC_RSHIFT:
73
    case SC_RSHIFT:
74
        keyflags &= ~PRESSED_SHIFT;
74
        keyflags &= ~PRESSED_SHIFT;
75
        break;
75
        break;
76
    case SC_CAPSLOCK:
76
    case SC_CAPSLOCK:
77
        keyflags &= ~PRESSED_CAPSLOCK;
77
        keyflags &= ~PRESSED_CAPSLOCK;
78
        if (lockflags & LOCKED_CAPSLOCK)
78
        if (lockflags & LOCKED_CAPSLOCK)
79
            lockflags &= ~LOCKED_CAPSLOCK;
79
            lockflags &= ~LOCKED_CAPSLOCK;
80
        else
80
        else
81
            lockflags |= LOCKED_CAPSLOCK;
81
            lockflags |= LOCKED_CAPSLOCK;
82
        break;
82
        break;
83
    default:
83
    default:
84
        break;
84
        break;
85
    }
85
    }
86
    spinlock_unlock(&keylock);
86
    spinlock_unlock(&keylock);
87
}
87
}
88
 
88
 
89
/** Process keypress.
89
/** Process keypress.
90
 *
90
 *
91
 * @param sc Scancode of the key being pressed.
91
 * @param sc Scancode of the key being pressed.
92
 */
92
 */
93
void key_pressed(uint8_t sc)
93
void key_pressed(uint8_t sc)
94
{
94
{
95
    char *map = sc_primary_map;
95
    char *map = sc_primary_map;
96
    char ascii = sc_primary_map[sc];
96
    char ascii = sc_primary_map[sc];
97
    bool shift, capslock;
97
    bool shift, capslock;
98
    bool letter = false;
98
    bool letter = false;
99
 
99
 
100
    spinlock_lock(&keylock);
100
    spinlock_lock(&keylock);
101
    switch (sc) {
101
    switch (sc) {
102
    case SC_LSHIFT:
102
    case SC_LSHIFT:
103
    case SC_RSHIFT:
103
    case SC_RSHIFT:
104
            keyflags |= PRESSED_SHIFT;
104
            keyflags |= PRESSED_SHIFT;
105
        break;
105
        break;
106
    case SC_CAPSLOCK:
106
    case SC_CAPSLOCK:
107
        keyflags |= PRESSED_CAPSLOCK;
107
        keyflags |= PRESSED_CAPSLOCK;
108
        break;
108
        break;
109
    case SC_SPEC_ESCAPE:
109
    case SC_SPEC_ESCAPE:
110
        break;
110
        break;
111
    case SC_LEFTARR:
111
    case SC_LEFTARR:
112
        chardev_push_character(&kbrd, 0x1b);
112
        chardev_push_character(&kbrd, 0x1b);
113
        chardev_push_character(&kbrd, 0x5b);
113
        chardev_push_character(&kbrd, 0x5b);
114
        chardev_push_character(&kbrd, 0x44);
114
        chardev_push_character(&kbrd, 0x44);
115
        break;
115
        break;
116
    case SC_RIGHTARR:
116
    case SC_RIGHTARR:
117
        chardev_push_character(&kbrd, 0x1b);
117
        chardev_push_character(&kbrd, 0x1b);
118
        chardev_push_character(&kbrd, 0x5b);
118
        chardev_push_character(&kbrd, 0x5b);
119
        chardev_push_character(&kbrd, 0x43);
119
        chardev_push_character(&kbrd, 0x43);
120
        break;
120
        break;
121
    case SC_UPARR:
121
    case SC_UPARR:
122
        chardev_push_character(&kbrd, 0x1b);
122
        chardev_push_character(&kbrd, 0x1b);
123
        chardev_push_character(&kbrd, 0x5b);
123
        chardev_push_character(&kbrd, 0x5b);
124
        chardev_push_character(&kbrd, 0x41);
124
        chardev_push_character(&kbrd, 0x41);
125
        break;
125
        break;
126
    case SC_DOWNARR:
126
    case SC_DOWNARR:
127
        chardev_push_character(&kbrd, 0x1b);
127
        chardev_push_character(&kbrd, 0x1b);
128
        chardev_push_character(&kbrd, 0x5b);
128
        chardev_push_character(&kbrd, 0x5b);
129
        chardev_push_character(&kbrd, 0x42);
129
        chardev_push_character(&kbrd, 0x42);
130
        break;
130
        break;
131
    case SC_HOME:
131
    case SC_HOME:
132
        chardev_push_character(&kbrd, 0x1b);
132
        chardev_push_character(&kbrd, 0x1b);
133
        chardev_push_character(&kbrd, 0x4f);
133
        chardev_push_character(&kbrd, 0x4f);
134
        chardev_push_character(&kbrd, 0x48);
134
        chardev_push_character(&kbrd, 0x48);
135
        break;
135
        break;
136
    case SC_END:
136
    case SC_END:
137
        chardev_push_character(&kbrd, 0x1b);
137
        chardev_push_character(&kbrd, 0x1b);
138
        chardev_push_character(&kbrd, 0x4f);
138
        chardev_push_character(&kbrd, 0x4f);
139
        chardev_push_character(&kbrd, 0x46);
139
        chardev_push_character(&kbrd, 0x46);
140
        break;
140
        break;
141
    case SC_DELETE:
141
    case SC_DELETE:
142
        chardev_push_character(&kbrd, 0x1b);
142
        chardev_push_character(&kbrd, 0x1b);
143
        chardev_push_character(&kbrd, 0x5b);
143
        chardev_push_character(&kbrd, 0x5b);
144
        chardev_push_character(&kbrd, 0x33);
144
        chardev_push_character(&kbrd, 0x33);
145
        chardev_push_character(&kbrd, 0x7e);
145
        chardev_push_character(&kbrd, 0x7e);
146
        break;
146
        break;
147
    default:
147
    default:
148
            letter = is_lower(ascii);
148
            letter = is_lower(ascii);
149
        capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK);
149
        capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK);
150
        shift = keyflags & PRESSED_SHIFT;
150
        shift = keyflags & PRESSED_SHIFT;
151
        if (letter && capslock)
151
        if (letter && capslock)
152
            shift = !shift;
152
            shift = !shift;
153
        if (shift)
153
        if (shift)
154
            map = sc_secondary_map;
154
            map = sc_secondary_map;
155
        chardev_push_character(&kbrd, map[sc]);
155
        chardev_push_character(&kbrd, map[sc]);
156
        break;
156
        break;
157
    }
157
    }
158
    spinlock_unlock(&keylock);
158
    spinlock_unlock(&keylock);
159
}
159
}
160
 
160
 
161
uint8_t active_read_buff_read(void)
161
uint8_t active_read_buff_read(void)
162
{
162
{
163
    static int i=0;
163
    static int i=0;
164
    i &= (ACTIVE_READ_BUFF_SIZE-1);
164
    i &= (ACTIVE_READ_BUFF_SIZE-1);
165
    if(!active_read_buff[i]) {
165
    if(!active_read_buff[i]) {
166
        return 0;
166
        return 0;
167
    }
167
    }
168
    return active_read_buff[i++];
168
    return active_read_buff[i++];
169
}
169
}
170
 
170
 
171
void active_read_buff_write(uint8_t ch)
171
void active_read_buff_write(uint8_t ch)
172
{
172
{
173
    static int i=0;
173
    static int i=0;
174
    active_read_buff[i] = ch;
174
    active_read_buff[i] = ch;
175
    i++;
175
    i++;
176
    i &= (ACTIVE_READ_BUFF_SIZE-1);
176
    i &= (ACTIVE_READ_BUFF_SIZE-1);
177
    active_read_buff[i]=0;
177
    active_read_buff[i]=0;
178
}
178
}
179
 
179
 
180
 
180
 
181
void active_read_key_pressed(uint8_t sc)
181
void active_read_key_pressed(uint8_t sc)
182
{
182
{
183
    char *map = sc_primary_map;
183
    char *map = sc_primary_map;
184
    char ascii = sc_primary_map[sc];
184
    char ascii = sc_primary_map[sc];
185
    bool shift, capslock;
185
    bool shift, capslock;
186
    bool letter = false;
186
    bool letter = false;
187
 
187
 
188
    /*spinlock_lock(&keylock);*/
188
    /*spinlock_lock(&keylock);*/
189
    switch (sc) {
189
    switch (sc) {
190
    case SC_LSHIFT:
190
    case SC_LSHIFT:
191
    case SC_RSHIFT:
191
    case SC_RSHIFT:
192
            keyflags |= PRESSED_SHIFT;
192
            keyflags |= PRESSED_SHIFT;
193
        break;
193
        break;
194
    case SC_CAPSLOCK:
194
    case SC_CAPSLOCK:
195
        keyflags |= PRESSED_CAPSLOCK;
195
        keyflags |= PRESSED_CAPSLOCK;
196
        break;
196
        break;
197
    case SC_SPEC_ESCAPE:
197
    case SC_SPEC_ESCAPE:
198
        break;
198
        break;
199
    case SC_LEFTARR:
199
    case SC_LEFTARR:
200
        active_read_buff_write(0x1b);
200
        active_read_buff_write(0x1b);
201
        active_read_buff_write(0x5b);
201
        active_read_buff_write(0x5b);
202
        active_read_buff_write(0x44);
202
        active_read_buff_write(0x44);
203
        break;
203
        break;
204
    case SC_RIGHTARR:
204
    case SC_RIGHTARR:
205
        active_read_buff_write(0x1b);
205
        active_read_buff_write(0x1b);
206
        active_read_buff_write(0x5b);
206
        active_read_buff_write(0x5b);
207
        active_read_buff_write(0x43);
207
        active_read_buff_write(0x43);
208
        break;
208
        break;
209
    case SC_UPARR:
209
    case SC_UPARR:
210
        active_read_buff_write(0x1b);
210
        active_read_buff_write(0x1b);
211
        active_read_buff_write(0x5b);
211
        active_read_buff_write(0x5b);
212
        active_read_buff_write(0x41);
212
        active_read_buff_write(0x41);
213
        break;
213
        break;
214
    case SC_DOWNARR:
214
    case SC_DOWNARR:
215
        active_read_buff_write(0x1b);
215
        active_read_buff_write(0x1b);
216
        active_read_buff_write(0x5b);
216
        active_read_buff_write(0x5b);
217
        active_read_buff_write(0x42);
217
        active_read_buff_write(0x42);
218
        break;
218
        break;
219
    case SC_HOME:
219
    case SC_HOME:
220
        active_read_buff_write(0x1b);
220
        active_read_buff_write(0x1b);
221
        active_read_buff_write(0x4f);
221
        active_read_buff_write(0x4f);
222
        active_read_buff_write(0x48);
222
        active_read_buff_write(0x48);
223
        break;
223
        break;
224
    case SC_END:
224
    case SC_END:
225
        active_read_buff_write(0x1b);
225
        active_read_buff_write(0x1b);
226
        active_read_buff_write(0x4f);
226
        active_read_buff_write(0x4f);
227
        active_read_buff_write(0x46);
227
        active_read_buff_write(0x46);
228
        break;
228
        break;
229
    case SC_DELETE:
229
    case SC_DELETE:
230
        active_read_buff_write(0x1b);
230
        active_read_buff_write(0x1b);
231
        active_read_buff_write(0x5b);
231
        active_read_buff_write(0x5b);
232
        active_read_buff_write(0x33);
232
        active_read_buff_write(0x33);
233
        active_read_buff_write(0x7e);
233
        active_read_buff_write(0x7e);
234
        break;
234
        break;
235
    default:
235
    default:
236
            letter = is_lower(ascii);
236
            letter = is_lower(ascii);
237
        capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK);
237
        capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK);
238
        shift = keyflags & PRESSED_SHIFT;
238
        shift = keyflags & PRESSED_SHIFT;
239
        if (letter && capslock)
239
        if (letter && capslock)
240
            shift = !shift;
240
            shift = !shift;
241
        if (shift)
241
        if (shift)
242
            map = sc_secondary_map;
242
            map = sc_secondary_map;
243
        active_read_buff_write(map[sc]);
243
        active_read_buff_write(map[sc]);
244
        break;
244
        break;
245
    }
245
    }
246
    /*spinlock_unlock(&keylock);*/
246
    /*spinlock_unlock(&keylock);*/
247
 
247
 
248
}
248
}
249
 
249
 
250
/** @}
250
/** @}
251
 */
251
 */
252
 
252