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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Jakub Jermar |
2 | * Copyright (C) 2006 Jakub Jermar |
3 | * 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 | static uint8_t active_read_buff[ACTIVE_READ_BUFF_SIZE]; |
56 | static uint8_t active_read_buff[ACTIVE_READ_BUFF_SIZE]; |
57 | 57 | ||
58 | SPINLOCK_INITIALIZE(keylock); /**< keylock protects keyflags and lockflags. */ |
58 | SPINLOCK_INITIALIZE(keylock); /**< keylock protects keyflags and lockflags. */ |
59 | static volatile int keyflags; /**< Tracking of multiple keypresses. */ |
59 | static volatile int keyflags; /**< Tracking of multiple keypresses. */ |
60 | static volatile int lockflags; /**< Tracking of multiple keys lockings. */ |
60 | static volatile int lockflags; /**< Tracking of multiple keys lockings. */ |
61 | 61 | ||
62 | /** Process release of key. |
62 | /** Process release of key. |
63 | * |
63 | * |
64 | * @param sc Scancode of the key being released. |
64 | * @param sc Scancode of the key being released. |
65 | */ |
65 | */ |
66 | void key_released(uint8_t sc) |
66 | void key_released(uint8_t sc) |
67 | { |
67 | { |
68 | spinlock_lock(&keylock); |
68 | spinlock_lock(&keylock); |
69 | switch (sc) { |
69 | switch (sc) { |
70 | case SC_LSHIFT: |
70 | case SC_LSHIFT: |
71 | case SC_RSHIFT: |
71 | case SC_RSHIFT: |
72 | keyflags &= ~PRESSED_SHIFT; |
72 | keyflags &= ~PRESSED_SHIFT; |
73 | break; |
73 | break; |
74 | case SC_CAPSLOCK: |
74 | case SC_CAPSLOCK: |
75 | keyflags &= ~PRESSED_CAPSLOCK; |
75 | keyflags &= ~PRESSED_CAPSLOCK; |
76 | if (lockflags & LOCKED_CAPSLOCK) |
76 | if (lockflags & LOCKED_CAPSLOCK) |
77 | lockflags &= ~LOCKED_CAPSLOCK; |
77 | lockflags &= ~LOCKED_CAPSLOCK; |
78 | else |
78 | else |
79 | lockflags |= LOCKED_CAPSLOCK; |
79 | lockflags |= LOCKED_CAPSLOCK; |
80 | break; |
80 | break; |
81 | default: |
81 | default: |
82 | break; |
82 | break; |
83 | } |
83 | } |
84 | spinlock_unlock(&keylock); |
84 | spinlock_unlock(&keylock); |
85 | } |
85 | } |
86 | 86 | ||
87 | /** Process keypress. |
87 | /** Process keypress. |
88 | * |
88 | * |
89 | * @param sc Scancode of the key being pressed. |
89 | * @param sc Scancode of the key being pressed. |
90 | */ |
90 | */ |
91 | void key_pressed(uint8_t sc) |
91 | void key_pressed(uint8_t sc) |
92 | { |
92 | { |
93 | char *map = sc_primary_map; |
93 | char *map = sc_primary_map; |
94 | char ascii = sc_primary_map[sc]; |
94 | char ascii = sc_primary_map[sc]; |
95 | bool shift, capslock; |
95 | bool shift, capslock; |
96 | bool letter = false; |
96 | bool letter = false; |
97 | 97 | ||
98 | spinlock_lock(&keylock); |
98 | spinlock_lock(&keylock); |
99 | switch (sc) { |
99 | switch (sc) { |
100 | case SC_LSHIFT: |
100 | case SC_LSHIFT: |
101 | case SC_RSHIFT: |
101 | case SC_RSHIFT: |
102 | keyflags |= PRESSED_SHIFT; |
102 | keyflags |= PRESSED_SHIFT; |
103 | break; |
103 | break; |
104 | case SC_CAPSLOCK: |
104 | case SC_CAPSLOCK: |
105 | keyflags |= PRESSED_CAPSLOCK; |
105 | keyflags |= PRESSED_CAPSLOCK; |
106 | break; |
106 | break; |
107 | case SC_SPEC_ESCAPE: |
107 | case SC_SPEC_ESCAPE: |
108 | break; |
108 | break; |
109 | case SC_LEFTARR: |
109 | case SC_LEFTARR: |
110 | chardev_push_character(&kbrd, 0x1b); |
110 | chardev_push_character(&kbrd, 0x1b); |
111 | chardev_push_character(&kbrd, 0x5b); |
111 | chardev_push_character(&kbrd, 0x5b); |
112 | chardev_push_character(&kbrd, 0x44); |
112 | chardev_push_character(&kbrd, 0x44); |
113 | break; |
113 | break; |
114 | case SC_RIGHTARR: |
114 | case SC_RIGHTARR: |
115 | chardev_push_character(&kbrd, 0x1b); |
115 | chardev_push_character(&kbrd, 0x1b); |
116 | chardev_push_character(&kbrd, 0x5b); |
116 | chardev_push_character(&kbrd, 0x5b); |
117 | chardev_push_character(&kbrd, 0x43); |
117 | chardev_push_character(&kbrd, 0x43); |
118 | break; |
118 | break; |
119 | case SC_UPARR: |
119 | case SC_UPARR: |
120 | chardev_push_character(&kbrd, 0x1b); |
120 | chardev_push_character(&kbrd, 0x1b); |
121 | chardev_push_character(&kbrd, 0x5b); |
121 | chardev_push_character(&kbrd, 0x5b); |
122 | chardev_push_character(&kbrd, 0x41); |
122 | chardev_push_character(&kbrd, 0x41); |
123 | break; |
123 | break; |
124 | case SC_DOWNARR: |
124 | case SC_DOWNARR: |
125 | chardev_push_character(&kbrd, 0x1b); |
125 | chardev_push_character(&kbrd, 0x1b); |
126 | chardev_push_character(&kbrd, 0x5b); |
126 | chardev_push_character(&kbrd, 0x5b); |
127 | chardev_push_character(&kbrd, 0x42); |
127 | chardev_push_character(&kbrd, 0x42); |
128 | break; |
128 | break; |
129 | case SC_HOME: |
129 | case SC_HOME: |
130 | chardev_push_character(&kbrd, 0x1b); |
130 | chardev_push_character(&kbrd, 0x1b); |
131 | chardev_push_character(&kbrd, 0x4f); |
131 | chardev_push_character(&kbrd, 0x4f); |
132 | chardev_push_character(&kbrd, 0x48); |
132 | chardev_push_character(&kbrd, 0x48); |
133 | break; |
133 | break; |
134 | case SC_END: |
134 | case SC_END: |
135 | chardev_push_character(&kbrd, 0x1b); |
135 | chardev_push_character(&kbrd, 0x1b); |
136 | chardev_push_character(&kbrd, 0x4f); |
136 | chardev_push_character(&kbrd, 0x4f); |
137 | chardev_push_character(&kbrd, 0x46); |
137 | chardev_push_character(&kbrd, 0x46); |
138 | break; |
138 | break; |
139 | case SC_DELETE: |
139 | case SC_DELETE: |
140 | chardev_push_character(&kbrd, 0x1b); |
140 | chardev_push_character(&kbrd, 0x1b); |
141 | chardev_push_character(&kbrd, 0x5b); |
141 | chardev_push_character(&kbrd, 0x5b); |
142 | chardev_push_character(&kbrd, 0x33); |
142 | chardev_push_character(&kbrd, 0x33); |
143 | chardev_push_character(&kbrd, 0x7e); |
143 | chardev_push_character(&kbrd, 0x7e); |
144 | break; |
144 | break; |
145 | default: |
145 | default: |
146 | letter = is_lower(ascii); |
146 | letter = is_lower(ascii); |
147 | capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK); |
147 | capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK); |
148 | shift = keyflags & PRESSED_SHIFT; |
148 | shift = keyflags & PRESSED_SHIFT; |
149 | if (letter && capslock) |
149 | if (letter && capslock) |
150 | shift = !shift; |
150 | shift = !shift; |
151 | if (shift) |
151 | if (shift) |
152 | map = sc_secondary_map; |
152 | map = sc_secondary_map; |
153 | chardev_push_character(&kbrd, map[sc]); |
153 | chardev_push_character(&kbrd, map[sc]); |
154 | break; |
154 | break; |
155 | } |
155 | } |
156 | spinlock_unlock(&keylock); |
156 | spinlock_unlock(&keylock); |
157 | } |
157 | } |
158 | 158 | ||
159 | uint8_t active_read_buff_read(void) |
159 | uint8_t active_read_buff_read(void) |
160 | { |
160 | { |
161 | static int i=0; |
161 | static int i=0; |
162 | i &= (ACTIVE_READ_BUFF_SIZE-1); |
162 | i &= (ACTIVE_READ_BUFF_SIZE-1); |
163 | if(!active_read_buff[i]) { |
163 | if(!active_read_buff[i]) { |
164 | return 0; |
164 | return 0; |
165 | } |
165 | } |
166 | return active_read_buff[i++]; |
166 | return active_read_buff[i++]; |
167 | } |
167 | } |
168 | 168 | ||
169 | void active_read_buff_write(uint8_t ch) |
169 | void active_read_buff_write(uint8_t ch) |
170 | { |
170 | { |
171 | static int i=0; |
171 | static int i=0; |
172 | active_read_buff[i] = ch; |
172 | active_read_buff[i] = ch; |
173 | i++; |
173 | i++; |
174 | i &= (ACTIVE_READ_BUFF_SIZE-1); |
174 | i &= (ACTIVE_READ_BUFF_SIZE-1); |
175 | active_read_buff[i]=0; |
175 | active_read_buff[i]=0; |
176 | } |
176 | } |
177 | 177 | ||
178 | 178 | ||
179 | void active_read_key_pressed(uint8_t sc) |
179 | void active_read_key_pressed(uint8_t sc) |
180 | { |
180 | { |
181 | char *map = sc_primary_map; |
181 | char *map = sc_primary_map; |
182 | char ascii = sc_primary_map[sc]; |
182 | char ascii = sc_primary_map[sc]; |
183 | bool shift, capslock; |
183 | bool shift, capslock; |
184 | bool letter = false; |
184 | bool letter = false; |
185 | 185 | ||
186 | /*spinlock_lock(&keylock);*/ |
186 | /*spinlock_lock(&keylock);*/ |
187 | switch (sc) { |
187 | switch (sc) { |
188 | case SC_LSHIFT: |
188 | case SC_LSHIFT: |
189 | case SC_RSHIFT: |
189 | case SC_RSHIFT: |
190 | keyflags |= PRESSED_SHIFT; |
190 | keyflags |= PRESSED_SHIFT; |
191 | break; |
191 | break; |
192 | case SC_CAPSLOCK: |
192 | case SC_CAPSLOCK: |
193 | keyflags |= PRESSED_CAPSLOCK; |
193 | keyflags |= PRESSED_CAPSLOCK; |
194 | break; |
194 | break; |
195 | case SC_SPEC_ESCAPE: |
195 | case SC_SPEC_ESCAPE: |
196 | break; |
196 | break; |
197 | case SC_LEFTARR: |
197 | case SC_LEFTARR: |
198 | active_read_buff_write(0x1b); |
198 | active_read_buff_write(0x1b); |
199 | active_read_buff_write(0x5b); |
199 | active_read_buff_write(0x5b); |
200 | active_read_buff_write(0x44); |
200 | active_read_buff_write(0x44); |
201 | break; |
201 | break; |
202 | case SC_RIGHTARR: |
202 | case SC_RIGHTARR: |
203 | active_read_buff_write(0x1b); |
203 | active_read_buff_write(0x1b); |
204 | active_read_buff_write(0x5b); |
204 | active_read_buff_write(0x5b); |
205 | active_read_buff_write(0x43); |
205 | active_read_buff_write(0x43); |
206 | break; |
206 | break; |
207 | case SC_UPARR: |
207 | case SC_UPARR: |
208 | active_read_buff_write(0x1b); |
208 | active_read_buff_write(0x1b); |
209 | active_read_buff_write(0x5b); |
209 | active_read_buff_write(0x5b); |
210 | active_read_buff_write(0x41); |
210 | active_read_buff_write(0x41); |
211 | break; |
211 | break; |
212 | case SC_DOWNARR: |
212 | case SC_DOWNARR: |
213 | active_read_buff_write(0x1b); |
213 | active_read_buff_write(0x1b); |
214 | active_read_buff_write(0x5b); |
214 | active_read_buff_write(0x5b); |
215 | active_read_buff_write(0x42); |
215 | active_read_buff_write(0x42); |
216 | break; |
216 | break; |
217 | case SC_HOME: |
217 | case SC_HOME: |
218 | active_read_buff_write(0x1b); |
218 | active_read_buff_write(0x1b); |
219 | active_read_buff_write(0x4f); |
219 | active_read_buff_write(0x4f); |
220 | active_read_buff_write(0x48); |
220 | active_read_buff_write(0x48); |
221 | break; |
221 | break; |
222 | case SC_END: |
222 | case SC_END: |
223 | active_read_buff_write(0x1b); |
223 | active_read_buff_write(0x1b); |
224 | active_read_buff_write(0x4f); |
224 | active_read_buff_write(0x4f); |
225 | active_read_buff_write(0x46); |
225 | active_read_buff_write(0x46); |
226 | break; |
226 | break; |
227 | case SC_DELETE: |
227 | case SC_DELETE: |
228 | active_read_buff_write(0x1b); |
228 | active_read_buff_write(0x1b); |
229 | active_read_buff_write(0x5b); |
229 | active_read_buff_write(0x5b); |
230 | active_read_buff_write(0x33); |
230 | active_read_buff_write(0x33); |
231 | active_read_buff_write(0x7e); |
231 | active_read_buff_write(0x7e); |
232 | break; |
232 | break; |
233 | default: |
233 | default: |
234 | letter = is_lower(ascii); |
234 | letter = is_lower(ascii); |
235 | capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK); |
235 | capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK); |
236 | shift = keyflags & PRESSED_SHIFT; |
236 | shift = keyflags & PRESSED_SHIFT; |
237 | if (letter && capslock) |
237 | if (letter && capslock) |
238 | shift = !shift; |
238 | shift = !shift; |
239 | if (shift) |
239 | if (shift) |
240 | map = sc_secondary_map; |
240 | map = sc_secondary_map; |
241 | active_read_buff_write(map[sc]); |
241 | active_read_buff_write(map[sc]); |
242 | break; |
242 | break; |
243 | } |
243 | } |
244 | /*spinlock_unlock(&keylock);*/ |
244 | /*spinlock_unlock(&keylock);*/ |
245 | 245 | ||
246 | } |
246 | } |
247 | 247 | ||
248 | /** @} |
248 | /** @} |
249 | */ |
249 | */ |
250 | 250 |