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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * AT and PS/2 keyboard driver | |
3 | * | |
4 | * Copyright (c) 1999-2002 Vojtech Pavlik | |
5 | */ | |
6 | ||
7 | /* | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License version 2 as published by | |
10 | * the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | /* | |
14 | * This driver can handle standard AT keyboards and PS/2 keyboards in | |
15 | * Translated and Raw Set 2 and Set 3, as well as AT keyboards on dumb | |
16 | * input-only controllers and AT keyboards connected over a one way RS232 | |
17 | * converter. | |
18 | */ | |
19 | ||
20 | #include <linux/delay.h> | |
21 | #include <linux/module.h> | |
1da177e4 LT |
22 | #include <linux/slab.h> |
23 | #include <linux/interrupt.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/input.h> | |
26 | #include <linux/serio.h> | |
27 | #include <linux/workqueue.h> | |
28 | #include <linux/libps2.h> | |
33d3f07a | 29 | #include <linux/mutex.h> |
554101e3 | 30 | #include <linux/dmi.h> |
1da177e4 LT |
31 | |
32 | #define DRIVER_DESC "AT and PS/2 keyboard driver" | |
33 | ||
34 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>"); | |
35 | MODULE_DESCRIPTION(DRIVER_DESC); | |
36 | MODULE_LICENSE("GPL"); | |
37 | ||
38 | static int atkbd_set = 2; | |
39 | module_param_named(set, atkbd_set, int, 0); | |
40 | MODULE_PARM_DESC(set, "Select keyboard code set (2 = default, 3 = PS/2 native)"); | |
41 | ||
42 | #if defined(__i386__) || defined(__x86_64__) || defined(__hppa__) | |
a9a1f9c3 | 43 | static bool atkbd_reset; |
1da177e4 | 44 | #else |
a9a1f9c3 | 45 | static bool atkbd_reset = true; |
1da177e4 LT |
46 | #endif |
47 | module_param_named(reset, atkbd_reset, bool, 0); | |
48 | MODULE_PARM_DESC(reset, "Reset keyboard during initialization"); | |
49 | ||
a9a1f9c3 | 50 | static bool atkbd_softrepeat; |
1da177e4 LT |
51 | module_param_named(softrepeat, atkbd_softrepeat, bool, 0); |
52 | MODULE_PARM_DESC(softrepeat, "Use software keyboard repeat"); | |
53 | ||
a9a1f9c3 | 54 | static bool atkbd_softraw = true; |
1da177e4 LT |
55 | module_param_named(softraw, atkbd_softraw, bool, 0); |
56 | MODULE_PARM_DESC(softraw, "Use software generated rawmode"); | |
57 | ||
a9a1f9c3 | 58 | static bool atkbd_scroll; |
1da177e4 LT |
59 | module_param_named(scroll, atkbd_scroll, bool, 0); |
60 | MODULE_PARM_DESC(scroll, "Enable scroll-wheel on MS Office and similar keyboards"); | |
61 | ||
a9a1f9c3 | 62 | static bool atkbd_extra; |
1da177e4 LT |
63 | module_param_named(extra, atkbd_extra, bool, 0); |
64 | MODULE_PARM_DESC(extra, "Enable extra LEDs and keys on IBM RapidAcces, EzKey and similar keyboards"); | |
65 | ||
8c5188b6 BL |
66 | static bool atkbd_terminal; |
67 | module_param_named(terminal, atkbd_terminal, bool, 0); | |
68 | MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard connected via AT/PS2"); | |
69 | ||
1da177e4 LT |
70 | /* |
71 | * Scancode to keycode tables. These are just the default setting, and | |
0211a9c8 | 72 | * are loadable via a userland utility. |
1da177e4 LT |
73 | */ |
74 | ||
1ba36e11 DT |
75 | #define ATKBD_KEYMAP_SIZE 512 |
76 | ||
77 | static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = { | |
1da177e4 LT |
78 | |
79 | #ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES | |
80 | ||
81 | /* XXX: need a more general approach */ | |
82 | ||
83 | #include "hpps2atkbd.h" /* include the keyboard scancodes */ | |
84 | ||
85 | #else | |
86 | 0, 67, 65, 63, 61, 59, 60, 88, 0, 68, 66, 64, 62, 15, 41,117, | |
87 | 0, 56, 42, 93, 29, 16, 2, 0, 0, 0, 44, 31, 30, 17, 3, 0, | |
88 | 0, 46, 45, 32, 18, 5, 4, 95, 0, 57, 47, 33, 20, 19, 6,183, | |
89 | 0, 49, 48, 35, 34, 21, 7,184, 0, 0, 50, 36, 22, 8, 9,185, | |
90 | 0, 51, 37, 23, 24, 11, 10, 0, 0, 52, 53, 38, 39, 25, 12, 0, | |
91 | 0, 89, 40, 0, 26, 13, 0, 0, 58, 54, 28, 27, 0, 43, 0, 85, | |
92 | 0, 86, 91, 90, 92, 0, 14, 94, 0, 79,124, 75, 71,121, 0, 0, | |
93 | 82, 83, 80, 76, 77, 72, 1, 69, 87, 78, 81, 74, 55, 73, 70, 99, | |
94 | ||
95 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
96 | 217,100,255, 0, 97,165, 0, 0,156, 0, 0, 0, 0, 0, 0,125, | |
97 | 173,114, 0,113, 0, 0, 0,126,128, 0, 0,140, 0, 0, 0,127, | |
72a42f24 | 98 | 159, 0,115, 0,164, 0, 0,116,158, 0,172,166, 0, 0, 0,142, |
1da177e4 LT |
99 | 157, 0, 0, 0, 0, 0, 0, 0,155, 0, 98, 0, 0,163, 0, 0, |
100 | 226, 0, 0, 0, 0, 0, 0, 0, 0,255, 96, 0, 0, 0,143, 0, | |
101 | 0, 0, 0, 0, 0, 0, 0, 0, 0,107, 0,105,102, 0, 0,112, | |
102 | 110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0, | |
103 | ||
104 | 0, 0, 0, 65, 99, | |
105 | #endif | |
106 | }; | |
107 | ||
1ba36e11 | 108 | static const unsigned short atkbd_set3_keycode[ATKBD_KEYMAP_SIZE] = { |
1da177e4 LT |
109 | |
110 | 0, 0, 0, 0, 0, 0, 0, 59, 1,138,128,129,130, 15, 41, 60, | |
111 | 131, 29, 42, 86, 58, 16, 2, 61,133, 56, 44, 31, 30, 17, 3, 62, | |
112 | 134, 46, 45, 32, 18, 5, 4, 63,135, 57, 47, 33, 20, 19, 6, 64, | |
113 | 136, 49, 48, 35, 34, 21, 7, 65,137,100, 50, 36, 22, 8, 9, 66, | |
114 | 125, 51, 37, 23, 24, 11, 10, 67,126, 52, 53, 38, 39, 25, 12, 68, | |
115 | 113,114, 40, 43, 26, 13, 87, 99, 97, 54, 28, 27, 43, 43, 88, 70, | |
116 | 108,105,119,103,111,107, 14,110, 0, 79,106, 75, 71,109,102,104, | |
117 | 82, 83, 80, 76, 77, 72, 69, 98, 0, 96, 81, 0, 78, 73, 55,183, | |
118 | ||
119 | 184,185,186,187, 74, 94, 92, 93, 0, 0, 0,125,126,127,112, 0, | |
72a42f24 | 120 | 0,139,172,163,165,115,152,172,166,140,160,154,113,114,167,168, |
1da177e4 LT |
121 | 148,149,147,140 |
122 | }; | |
123 | ||
f6d65610 | 124 | static const unsigned short atkbd_unxlate_table[128] = { |
1da177e4 LT |
125 | 0,118, 22, 30, 38, 37, 46, 54, 61, 62, 70, 69, 78, 85,102, 13, |
126 | 21, 29, 36, 45, 44, 53, 60, 67, 68, 77, 84, 91, 90, 20, 28, 27, | |
127 | 35, 43, 52, 51, 59, 66, 75, 76, 82, 14, 18, 93, 26, 34, 33, 42, | |
128 | 50, 49, 58, 65, 73, 74, 89,124, 17, 41, 88, 5, 6, 4, 12, 3, | |
129 | 11, 2, 10, 1, 9,119,126,108,117,125,123,107,115,116,121,105, | |
130 | 114,122,112,113,127, 96, 97,120, 7, 15, 23, 31, 39, 47, 55, 63, | |
131 | 71, 79, 86, 94, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 87,111, | |
132 | 19, 25, 57, 81, 83, 92, 95, 98, 99,100,101,103,104,106,109,110 | |
133 | }; | |
134 | ||
135 | #define ATKBD_CMD_SETLEDS 0x10ed | |
136 | #define ATKBD_CMD_GSCANSET 0x11f0 | |
137 | #define ATKBD_CMD_SSCANSET 0x10f0 | |
138 | #define ATKBD_CMD_GETID 0x02f2 | |
139 | #define ATKBD_CMD_SETREP 0x10f3 | |
140 | #define ATKBD_CMD_ENABLE 0x00f4 | |
4a299bf5 DT |
141 | #define ATKBD_CMD_RESET_DIS 0x00f5 /* Reset to defaults and disable */ |
142 | #define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */ | |
8c5188b6 BL |
143 | #define ATKBD_CMD_SETALL_MB 0x00f8 /* Set all keys to give break codes */ |
144 | #define ATKBD_CMD_SETALL_MBR 0x00fa /* ... and repeat */ | |
1da177e4 LT |
145 | #define ATKBD_CMD_RESET_BAT 0x02ff |
146 | #define ATKBD_CMD_RESEND 0x00fe | |
147 | #define ATKBD_CMD_EX_ENABLE 0x10ea | |
148 | #define ATKBD_CMD_EX_SETLEDS 0x20eb | |
149 | #define ATKBD_CMD_OK_GETID 0x02e8 | |
150 | ||
151 | #define ATKBD_RET_ACK 0xfa | |
152 | #define ATKBD_RET_NAK 0xfe | |
153 | #define ATKBD_RET_BAT 0xaa | |
154 | #define ATKBD_RET_EMUL0 0xe0 | |
155 | #define ATKBD_RET_EMUL1 0xe1 | |
156 | #define ATKBD_RET_RELEASE 0xf0 | |
0ae051a1 DT |
157 | #define ATKBD_RET_HANJA 0xf1 |
158 | #define ATKBD_RET_HANGEUL 0xf2 | |
1da177e4 LT |
159 | #define ATKBD_RET_ERR 0xff |
160 | ||
4b70858b | 161 | #define ATKBD_KEY_UNKNOWN 0 |
1da177e4 LT |
162 | #define ATKBD_KEY_NULL 255 |
163 | ||
4b70858b DT |
164 | #define ATKBD_SCR_1 0xfffe |
165 | #define ATKBD_SCR_2 0xfffd | |
166 | #define ATKBD_SCR_4 0xfffc | |
167 | #define ATKBD_SCR_8 0xfffb | |
168 | #define ATKBD_SCR_CLICK 0xfffa | |
169 | #define ATKBD_SCR_LEFT 0xfff9 | |
170 | #define ATKBD_SCR_RIGHT 0xfff8 | |
1da177e4 | 171 | |
f6d65610 | 172 | #define ATKBD_SPECIAL ATKBD_SCR_RIGHT |
1da177e4 | 173 | |
0d4c8597 DT |
174 | #define ATKBD_LED_EVENT_BIT 0 |
175 | #define ATKBD_REP_EVENT_BIT 1 | |
176 | ||
0ae051a1 DT |
177 | #define ATKBD_XL_ERR 0x01 |
178 | #define ATKBD_XL_BAT 0x02 | |
179 | #define ATKBD_XL_ACK 0x04 | |
180 | #define ATKBD_XL_NAK 0x08 | |
181 | #define ATKBD_XL_HANGEUL 0x10 | |
182 | #define ATKBD_XL_HANJA 0x20 | |
183 | ||
f6d65610 | 184 | static const struct { |
4b70858b | 185 | unsigned short keycode; |
1da177e4 LT |
186 | unsigned char set2; |
187 | } atkbd_scroll_keys[] = { | |
188 | { ATKBD_SCR_1, 0xc5 }, | |
5212dd58 VP |
189 | { ATKBD_SCR_2, 0x9d }, |
190 | { ATKBD_SCR_4, 0xa4 }, | |
191 | { ATKBD_SCR_8, 0x9b }, | |
1da177e4 LT |
192 | { ATKBD_SCR_CLICK, 0xe0 }, |
193 | { ATKBD_SCR_LEFT, 0xcb }, | |
194 | { ATKBD_SCR_RIGHT, 0xd2 }, | |
195 | }; | |
196 | ||
197 | /* | |
198 | * The atkbd control structure | |
199 | */ | |
200 | ||
201 | struct atkbd { | |
202 | ||
3c42f0c3 DT |
203 | struct ps2dev ps2dev; |
204 | struct input_dev *dev; | |
1da177e4 LT |
205 | |
206 | /* Written only during init */ | |
207 | char name[64]; | |
208 | char phys[32]; | |
1da177e4 LT |
209 | |
210 | unsigned short id; | |
1ba36e11 DT |
211 | unsigned short keycode[ATKBD_KEYMAP_SIZE]; |
212 | DECLARE_BITMAP(force_release_mask, ATKBD_KEYMAP_SIZE); | |
1da177e4 | 213 | unsigned char set; |
a9a1f9c3 DT |
214 | bool translated; |
215 | bool extra; | |
216 | bool write; | |
217 | bool softrepeat; | |
218 | bool softraw; | |
219 | bool scroll; | |
220 | bool enabled; | |
1da177e4 LT |
221 | |
222 | /* Accessed only from interrupt */ | |
223 | unsigned char emul; | |
a9a1f9c3 DT |
224 | bool resend; |
225 | bool release; | |
0ae051a1 | 226 | unsigned long xl_bit; |
1da177e4 LT |
227 | unsigned int last; |
228 | unsigned long time; | |
86255d9d | 229 | unsigned long err_count; |
0d4c8597 | 230 | |
da4249c9 DT |
231 | struct delayed_work event_work; |
232 | unsigned long event_jiffies; | |
0d4c8597 | 233 | unsigned long event_mask; |
59b01513 EB |
234 | |
235 | /* Serializes reconnect(), attr->set() and event work */ | |
236 | struct mutex mutex; | |
1da177e4 LT |
237 | }; |
238 | ||
554101e3 | 239 | /* |
36726dd9 | 240 | * System-specific keymap fixup routine |
554101e3 | 241 | */ |
39191698 DM |
242 | static void (*atkbd_platform_fixup)(struct atkbd *, const void *data); |
243 | static void *atkbd_platform_fixup_data; | |
e5713069 | 244 | static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int); |
554101e3 | 245 | |
3d725caa SLS |
246 | /* |
247 | * Certain keyboards to not like ATKBD_CMD_RESET_DIS and stop responding | |
248 | * to many commands until full reset (ATKBD_CMD_RESET_BAT) is performed. | |
249 | */ | |
250 | static bool atkbd_skip_deactivate; | |
251 | ||
1da177e4 LT |
252 | static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, |
253 | ssize_t (*handler)(struct atkbd *, char *)); | |
254 | static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, | |
255 | ssize_t (*handler)(struct atkbd *, const char *, size_t)); | |
256 | #define ATKBD_DEFINE_ATTR(_name) \ | |
257 | static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ | |
258 | static ssize_t atkbd_set_##_name(struct atkbd *, const char *, size_t); \ | |
86255d9d DT |
259 | static ssize_t atkbd_do_show_##_name(struct device *d, \ |
260 | struct device_attribute *attr, char *b) \ | |
1da177e4 LT |
261 | { \ |
262 | return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ | |
263 | } \ | |
86255d9d DT |
264 | static ssize_t atkbd_do_set_##_name(struct device *d, \ |
265 | struct device_attribute *attr, const char *b, size_t s) \ | |
1da177e4 LT |
266 | { \ |
267 | return atkbd_attr_set_helper(d, b, s, atkbd_set_##_name); \ | |
268 | } \ | |
d083e906 | 269 | static struct device_attribute atkbd_attr_##_name = \ |
1da177e4 LT |
270 | __ATTR(_name, S_IWUSR | S_IRUGO, atkbd_do_show_##_name, atkbd_do_set_##_name); |
271 | ||
272 | ATKBD_DEFINE_ATTR(extra); | |
1ba36e11 | 273 | ATKBD_DEFINE_ATTR(force_release); |
1da177e4 LT |
274 | ATKBD_DEFINE_ATTR(scroll); |
275 | ATKBD_DEFINE_ATTR(set); | |
276 | ATKBD_DEFINE_ATTR(softrepeat); | |
277 | ATKBD_DEFINE_ATTR(softraw); | |
278 | ||
86255d9d DT |
279 | #define ATKBD_DEFINE_RO_ATTR(_name) \ |
280 | static ssize_t atkbd_show_##_name(struct atkbd *, char *); \ | |
281 | static ssize_t atkbd_do_show_##_name(struct device *d, \ | |
282 | struct device_attribute *attr, char *b) \ | |
283 | { \ | |
284 | return atkbd_attr_show_helper(d, b, atkbd_show_##_name); \ | |
285 | } \ | |
286 | static struct device_attribute atkbd_attr_##_name = \ | |
287 | __ATTR(_name, S_IRUGO, atkbd_do_show_##_name, NULL); | |
288 | ||
289 | ATKBD_DEFINE_RO_ATTR(err_count); | |
290 | ||
291 | static struct attribute *atkbd_attributes[] = { | |
292 | &atkbd_attr_extra.attr, | |
1ba36e11 | 293 | &atkbd_attr_force_release.attr, |
86255d9d DT |
294 | &atkbd_attr_scroll.attr, |
295 | &atkbd_attr_set.attr, | |
296 | &atkbd_attr_softrepeat.attr, | |
297 | &atkbd_attr_softraw.attr, | |
298 | &atkbd_attr_err_count.attr, | |
299 | NULL | |
300 | }; | |
301 | ||
302 | static struct attribute_group atkbd_attribute_group = { | |
303 | .attrs = atkbd_attributes, | |
304 | }; | |
305 | ||
0ae051a1 DT |
306 | static const unsigned int xl_table[] = { |
307 | ATKBD_RET_BAT, ATKBD_RET_ERR, ATKBD_RET_ACK, | |
308 | ATKBD_RET_NAK, ATKBD_RET_HANJA, ATKBD_RET_HANGEUL, | |
309 | }; | |
1da177e4 | 310 | |
0ae051a1 DT |
311 | /* |
312 | * Checks if we should mangle the scancode to extract 'release' bit | |
313 | * in translated mode. | |
314 | */ | |
a9a1f9c3 | 315 | static bool atkbd_need_xlate(unsigned long xl_bit, unsigned char code) |
1da177e4 | 316 | { |
0ae051a1 DT |
317 | int i; |
318 | ||
319 | if (code == ATKBD_RET_EMUL0 || code == ATKBD_RET_EMUL1) | |
a9a1f9c3 | 320 | return false; |
0ae051a1 DT |
321 | |
322 | for (i = 0; i < ARRAY_SIZE(xl_table); i++) | |
323 | if (code == xl_table[i]) | |
324 | return test_bit(i, &xl_bit); | |
325 | ||
a9a1f9c3 | 326 | return true; |
0ae051a1 DT |
327 | } |
328 | ||
329 | /* | |
330 | * Calculates new value of xl_bit so the driver can distinguish | |
331 | * between make/break pair of scancodes for select keys and PS/2 | |
332 | * protocol responses. | |
333 | */ | |
334 | static void atkbd_calculate_xl_bit(struct atkbd *atkbd, unsigned char code) | |
335 | { | |
336 | int i; | |
337 | ||
338 | for (i = 0; i < ARRAY_SIZE(xl_table); i++) { | |
339 | if (!((code ^ xl_table[i]) & 0x7f)) { | |
340 | if (code & 0x80) | |
341 | __clear_bit(i, &atkbd->xl_bit); | |
342 | else | |
343 | __set_bit(i, &atkbd->xl_bit); | |
344 | break; | |
345 | } | |
346 | } | |
347 | } | |
348 | ||
349 | /* | |
350 | * Encode the scancode, 0xe0 prefix, and high bit into a single integer, | |
351 | * keeping kernel 2.4 compatibility for set 2 | |
352 | */ | |
353 | static unsigned int atkbd_compat_scancode(struct atkbd *atkbd, unsigned int code) | |
354 | { | |
355 | if (atkbd->set == 3) { | |
356 | if (atkbd->emul == 1) | |
357 | code |= 0x100; | |
358 | } else { | |
359 | code = (code & 0x7f) | ((code & 0x80) << 1); | |
360 | if (atkbd->emul == 1) | |
361 | code |= 0x80; | |
362 | } | |
363 | ||
364 | return code; | |
1da177e4 LT |
365 | } |
366 | ||
367 | /* | |
368 | * atkbd_interrupt(). Here takes place processing of data received from | |
369 | * the keyboard into events. | |
370 | */ | |
371 | ||
372 | static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, | |
a9a1f9c3 | 373 | unsigned int flags) |
1da177e4 LT |
374 | { |
375 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
0ae051a1 | 376 | struct input_dev *dev = atkbd->dev; |
1da177e4 | 377 | unsigned int code = data; |
554101e3 | 378 | int scroll = 0, hscroll = 0, click = -1; |
1da177e4 | 379 | int value; |
f6d65610 | 380 | unsigned short keycode; |
1da177e4 | 381 | |
a9a1f9c3 | 382 | dev_dbg(&serio->dev, "Received %02x flags %02x\n", data, flags); |
1da177e4 LT |
383 | |
384 | #if !defined(__i386__) && !defined (__x86_64__) | |
385 | if ((flags & (SERIO_FRAME | SERIO_PARITY)) && (~flags & SERIO_TIMEOUT) && !atkbd->resend && atkbd->write) { | |
a9a1f9c3 | 386 | dev_warn(&serio->dev, "Frame/parity error: %02x\n", flags); |
1da177e4 | 387 | serio_write(serio, ATKBD_CMD_RESEND); |
a9a1f9c3 | 388 | atkbd->resend = true; |
1da177e4 LT |
389 | goto out; |
390 | } | |
391 | ||
392 | if (!flags && data == ATKBD_RET_ACK) | |
a9a1f9c3 | 393 | atkbd->resend = false; |
1da177e4 LT |
394 | #endif |
395 | ||
396 | if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_ACK)) | |
397 | if (ps2_handle_ack(&atkbd->ps2dev, data)) | |
398 | goto out; | |
399 | ||
400 | if (unlikely(atkbd->ps2dev.flags & PS2_FLAG_CMD)) | |
401 | if (ps2_handle_response(&atkbd->ps2dev, data)) | |
402 | goto out; | |
403 | ||
404 | if (!atkbd->enabled) | |
405 | goto out; | |
406 | ||
0ae051a1 | 407 | input_event(dev, EV_MSC, MSC_RAW, code); |
1da177e4 | 408 | |
e5713069 JL |
409 | if (atkbd_platform_scancode_fixup) |
410 | code = atkbd_platform_scancode_fixup(atkbd, code); | |
411 | ||
1da177e4 LT |
412 | if (atkbd->translated) { |
413 | ||
0ae051a1 | 414 | if (atkbd->emul || atkbd_need_xlate(atkbd->xl_bit, code)) { |
1da177e4 LT |
415 | atkbd->release = code >> 7; |
416 | code &= 0x7f; | |
417 | } | |
418 | ||
0ae051a1 DT |
419 | if (!atkbd->emul) |
420 | atkbd_calculate_xl_bit(atkbd, data); | |
1da177e4 LT |
421 | } |
422 | ||
423 | switch (code) { | |
a9a1f9c3 DT |
424 | case ATKBD_RET_BAT: |
425 | atkbd->enabled = false; | |
426 | serio_reconnect(atkbd->ps2dev.serio); | |
427 | goto out; | |
428 | case ATKBD_RET_EMUL0: | |
429 | atkbd->emul = 1; | |
430 | goto out; | |
431 | case ATKBD_RET_EMUL1: | |
432 | atkbd->emul = 2; | |
433 | goto out; | |
434 | case ATKBD_RET_RELEASE: | |
435 | atkbd->release = true; | |
436 | goto out; | |
437 | case ATKBD_RET_ACK: | |
438 | case ATKBD_RET_NAK: | |
439 | if (printk_ratelimit()) | |
440 | dev_warn(&serio->dev, | |
441 | "Spurious %s on %s. " | |
f57fe78e | 442 | "Some program might be trying to access hardware directly.\n", |
a9a1f9c3 DT |
443 | data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); |
444 | goto out; | |
445 | case ATKBD_RET_ERR: | |
446 | atkbd->err_count++; | |
447 | dev_dbg(&serio->dev, "Keyboard on %s reports too many keys pressed.\n", | |
448 | serio->phys); | |
449 | goto out; | |
1da177e4 LT |
450 | } |
451 | ||
0ae051a1 DT |
452 | code = atkbd_compat_scancode(atkbd, code); |
453 | ||
454 | if (atkbd->emul && --atkbd->emul) | |
455 | goto out; | |
456 | ||
457 | keycode = atkbd->keycode[code]; | |
1da177e4 | 458 | |
5447326f SB |
459 | if (!(atkbd->release && test_bit(code, atkbd->force_release_mask))) |
460 | if (keycode != ATKBD_KEY_NULL) | |
461 | input_event(dev, EV_MSC, MSC_SCAN, code); | |
1da177e4 | 462 | |
0ae051a1 | 463 | switch (keycode) { |
a9a1f9c3 DT |
464 | case ATKBD_KEY_NULL: |
465 | break; | |
466 | case ATKBD_KEY_UNKNOWN: | |
467 | dev_warn(&serio->dev, | |
468 | "Unknown key %s (%s set %d, code %#x on %s).\n", | |
469 | atkbd->release ? "released" : "pressed", | |
470 | atkbd->translated ? "translated" : "raw", | |
471 | atkbd->set, code, serio->phys); | |
472 | dev_warn(&serio->dev, | |
473 | "Use 'setkeycodes %s%02x <keycode>' to make it known.\n", | |
474 | code & 0x80 ? "e0" : "", code & 0x7f); | |
475 | input_sync(dev); | |
476 | break; | |
477 | case ATKBD_SCR_1: | |
478 | scroll = 1; | |
479 | break; | |
480 | case ATKBD_SCR_2: | |
481 | scroll = 2; | |
482 | break; | |
483 | case ATKBD_SCR_4: | |
484 | scroll = 4; | |
485 | break; | |
486 | case ATKBD_SCR_8: | |
487 | scroll = 8; | |
488 | break; | |
489 | case ATKBD_SCR_CLICK: | |
490 | click = !atkbd->release; | |
491 | break; | |
492 | case ATKBD_SCR_LEFT: | |
493 | hscroll = -1; | |
494 | break; | |
495 | case ATKBD_SCR_RIGHT: | |
496 | hscroll = 1; | |
497 | break; | |
498 | default: | |
499 | if (atkbd->release) { | |
500 | value = 0; | |
501 | atkbd->last = 0; | |
502 | } else if (!atkbd->softrepeat && test_bit(keycode, dev->key)) { | |
503 | /* Workaround Toshiba laptop multiple keypress */ | |
504 | value = time_before(jiffies, atkbd->time) && atkbd->last == code ? 1 : 2; | |
505 | } else { | |
506 | value = 1; | |
507 | atkbd->last = code; | |
508 | atkbd->time = jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]) / 2; | |
509 | } | |
510 | ||
511 | input_event(dev, EV_KEY, keycode, value); | |
512 | input_sync(dev); | |
0ae051a1 | 513 | |
a9a1f9c3 | 514 | if (value && test_bit(code, atkbd->force_release_mask)) { |
5447326f | 515 | input_event(dev, EV_MSC, MSC_SCAN, code); |
a9a1f9c3 DT |
516 | input_report_key(dev, keycode, 0); |
517 | input_sync(dev); | |
518 | } | |
1da177e4 LT |
519 | } |
520 | ||
521 | if (atkbd->scroll) { | |
1da177e4 | 522 | if (click != -1) |
0ae051a1 | 523 | input_report_key(dev, BTN_MIDDLE, click); |
a9a1f9c3 DT |
524 | input_report_rel(dev, REL_WHEEL, |
525 | atkbd->release ? -scroll : scroll); | |
0ae051a1 DT |
526 | input_report_rel(dev, REL_HWHEEL, hscroll); |
527 | input_sync(dev); | |
1da177e4 LT |
528 | } |
529 | ||
a9a1f9c3 | 530 | atkbd->release = false; |
1da177e4 LT |
531 | out: |
532 | return IRQ_HANDLED; | |
533 | } | |
534 | ||
3d0f0fa0 | 535 | static int atkbd_set_repeat_rate(struct atkbd *atkbd) |
1da177e4 | 536 | { |
1da177e4 LT |
537 | const short period[32] = |
538 | { 33, 37, 42, 46, 50, 54, 58, 63, 67, 75, 83, 92, 100, 109, 116, 125, | |
539 | 133, 149, 167, 182, 200, 217, 232, 250, 270, 303, 333, 370, 400, 435, 470, 500 }; | |
540 | const short delay[4] = | |
541 | { 250, 500, 750, 1000 }; | |
0d4c8597 | 542 | |
3d0f0fa0 DT |
543 | struct input_dev *dev = atkbd->dev; |
544 | unsigned char param; | |
545 | int i = 0, j = 0; | |
546 | ||
547 | while (i < ARRAY_SIZE(period) - 1 && period[i] < dev->rep[REP_PERIOD]) | |
548 | i++; | |
549 | dev->rep[REP_PERIOD] = period[i]; | |
550 | ||
8ea371fb | 551 | while (j < ARRAY_SIZE(delay) - 1 && delay[j] < dev->rep[REP_DELAY]) |
3d0f0fa0 DT |
552 | j++; |
553 | dev->rep[REP_DELAY] = delay[j]; | |
554 | ||
555 | param = i | (j << 5); | |
556 | return ps2_command(&atkbd->ps2dev, ¶m, ATKBD_CMD_SETREP); | |
557 | } | |
558 | ||
559 | static int atkbd_set_leds(struct atkbd *atkbd) | |
560 | { | |
0d4c8597 | 561 | struct input_dev *dev = atkbd->dev; |
1da177e4 | 562 | unsigned char param[2]; |
1da177e4 | 563 | |
3d0f0fa0 DT |
564 | param[0] = (test_bit(LED_SCROLLL, dev->led) ? 1 : 0) |
565 | | (test_bit(LED_NUML, dev->led) ? 2 : 0) | |
566 | | (test_bit(LED_CAPSL, dev->led) ? 4 : 0); | |
567 | if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_SETLEDS)) | |
568 | return -1; | |
0d4c8597 | 569 | |
3d0f0fa0 DT |
570 | if (atkbd->extra) { |
571 | param[0] = 0; | |
572 | param[1] = (test_bit(LED_COMPOSE, dev->led) ? 0x01 : 0) | |
573 | | (test_bit(LED_SLEEP, dev->led) ? 0x02 : 0) | |
574 | | (test_bit(LED_SUSPEND, dev->led) ? 0x04 : 0) | |
575 | | (test_bit(LED_MISC, dev->led) ? 0x10 : 0) | |
576 | | (test_bit(LED_MUTE, dev->led) ? 0x20 : 0); | |
577 | if (ps2_command(&atkbd->ps2dev, param, ATKBD_CMD_EX_SETLEDS)) | |
578 | return -1; | |
0d4c8597 DT |
579 | } |
580 | ||
3d0f0fa0 DT |
581 | return 0; |
582 | } | |
583 | ||
584 | /* | |
585 | * atkbd_event_work() is used to complete processing of events that | |
586 | * can not be processed by input_event() which is often called from | |
587 | * interrupt context. | |
588 | */ | |
589 | ||
65f27f38 | 590 | static void atkbd_event_work(struct work_struct *work) |
3d0f0fa0 | 591 | { |
da4249c9 | 592 | struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work); |
3d0f0fa0 | 593 | |
59b01513 | 594 | mutex_lock(&atkbd->mutex); |
3d0f0fa0 | 595 | |
94dfb0d6 DT |
596 | if (!atkbd->enabled) { |
597 | /* | |
598 | * Serio ports are resumed asynchronously so while driver core | |
599 | * thinks that device is already fully operational in reality | |
600 | * it may not be ready yet. In this case we need to keep | |
601 | * rescheduling till reconnect completes. | |
602 | */ | |
603 | schedule_delayed_work(&atkbd->event_work, | |
604 | msecs_to_jiffies(100)); | |
605 | } else { | |
606 | if (test_and_clear_bit(ATKBD_LED_EVENT_BIT, &atkbd->event_mask)) | |
607 | atkbd_set_leds(atkbd); | |
608 | ||
609 | if (test_and_clear_bit(ATKBD_REP_EVENT_BIT, &atkbd->event_mask)) | |
610 | atkbd_set_repeat_rate(atkbd); | |
611 | } | |
0d4c8597 | 612 | |
59b01513 | 613 | mutex_unlock(&atkbd->mutex); |
0d4c8597 DT |
614 | } |
615 | ||
da4249c9 DT |
616 | /* |
617 | * Schedule switch for execution. We need to throttle requests, | |
618 | * otherwise keyboard may become unresponsive. | |
619 | */ | |
620 | static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit) | |
621 | { | |
622 | unsigned long delay = msecs_to_jiffies(50); | |
623 | ||
624 | if (time_after(jiffies, atkbd->event_jiffies + delay)) | |
625 | delay = 0; | |
626 | ||
627 | atkbd->event_jiffies = jiffies; | |
628 | set_bit(event_bit, &atkbd->event_mask); | |
59b01513 | 629 | mb(); |
da4249c9 DT |
630 | schedule_delayed_work(&atkbd->event_work, delay); |
631 | } | |
632 | ||
0d4c8597 DT |
633 | /* |
634 | * Event callback from the input module. Events that change the state of | |
635 | * the hardware are processed here. If action can not be performed in | |
636 | * interrupt context it is offloaded to atkbd_event_work. | |
637 | */ | |
638 | ||
da4249c9 DT |
639 | static int atkbd_event(struct input_dev *dev, |
640 | unsigned int type, unsigned int code, int value) | |
0d4c8597 | 641 | { |
b356872f | 642 | struct atkbd *atkbd = input_get_drvdata(dev); |
0d4c8597 | 643 | |
1da177e4 LT |
644 | if (!atkbd->write) |
645 | return -1; | |
646 | ||
647 | switch (type) { | |
648 | ||
a9a1f9c3 DT |
649 | case EV_LED: |
650 | atkbd_schedule_event_work(atkbd, ATKBD_LED_EVENT_BIT); | |
651 | return 0; | |
1da177e4 | 652 | |
a9a1f9c3 DT |
653 | case EV_REP: |
654 | if (!atkbd->softrepeat) | |
655 | atkbd_schedule_event_work(atkbd, ATKBD_REP_EVENT_BIT); | |
656 | return 0; | |
1da177e4 | 657 | |
a9a1f9c3 DT |
658 | default: |
659 | return -1; | |
660 | } | |
1da177e4 LT |
661 | } |
662 | ||
663 | /* | |
664 | * atkbd_enable() signals that interrupt handler is allowed to | |
665 | * generate input events. | |
666 | */ | |
667 | ||
668 | static inline void atkbd_enable(struct atkbd *atkbd) | |
669 | { | |
670 | serio_pause_rx(atkbd->ps2dev.serio); | |
a9a1f9c3 | 671 | atkbd->enabled = true; |
1da177e4 LT |
672 | serio_continue_rx(atkbd->ps2dev.serio); |
673 | } | |
674 | ||
675 | /* | |
676 | * atkbd_disable() tells input handler that all incoming data except | |
677 | * for ACKs and command response should be dropped. | |
678 | */ | |
679 | ||
680 | static inline void atkbd_disable(struct atkbd *atkbd) | |
681 | { | |
682 | serio_pause_rx(atkbd->ps2dev.serio); | |
a9a1f9c3 | 683 | atkbd->enabled = false; |
1da177e4 LT |
684 | serio_continue_rx(atkbd->ps2dev.serio); |
685 | } | |
686 | ||
be2d7e42 SN |
687 | static int atkbd_activate(struct atkbd *atkbd) |
688 | { | |
689 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
690 | ||
691 | /* | |
692 | * Enable the keyboard to receive keystrokes. | |
693 | */ | |
694 | ||
695 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_ENABLE)) { | |
696 | dev_err(&ps2dev->serio->dev, | |
697 | "Failed to enable keyboard on %s\n", | |
698 | ps2dev->serio->phys); | |
699 | return -1; | |
700 | } | |
701 | ||
702 | return 0; | |
703 | } | |
704 | ||
705 | /* | |
706 | * atkbd_deactivate() resets and disables the keyboard from sending | |
707 | * keystrokes. | |
708 | */ | |
709 | ||
710 | static void atkbd_deactivate(struct atkbd *atkbd) | |
711 | { | |
712 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
713 | ||
714 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_DIS)) | |
715 | dev_err(&ps2dev->serio->dev, | |
716 | "Failed to deactivate keyboard on %s\n", | |
717 | ps2dev->serio->phys); | |
718 | } | |
719 | ||
1da177e4 LT |
720 | /* |
721 | * atkbd_probe() probes for an AT keyboard on a serio port. | |
722 | */ | |
723 | ||
724 | static int atkbd_probe(struct atkbd *atkbd) | |
725 | { | |
726 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
727 | unsigned char param[2]; | |
728 | ||
729 | /* | |
730 | * Some systems, where the bit-twiddling when testing the io-lines of the | |
731 | * controller may confuse the keyboard need a full reset of the keyboard. On | |
732 | * these systems the BIOS also usually doesn't do it for us. | |
733 | */ | |
734 | ||
735 | if (atkbd_reset) | |
736 | if (ps2_command(ps2dev, NULL, ATKBD_CMD_RESET_BAT)) | |
a9a1f9c3 DT |
737 | dev_warn(&ps2dev->serio->dev, |
738 | "keyboard reset failed on %s\n", | |
739 | ps2dev->serio->phys); | |
1da177e4 LT |
740 | |
741 | /* | |
742 | * Then we check the keyboard ID. We should get 0xab83 under normal conditions. | |
743 | * Some keyboards report different values, but the first byte is always 0xab or | |
744 | * 0xac. Some old AT keyboards don't report anything. If a mouse is connected, this | |
745 | * should make sure we don't try to set the LEDs on it. | |
746 | */ | |
747 | ||
748 | param[0] = param[1] = 0xa5; /* initialize with invalid values */ | |
749 | if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) { | |
750 | ||
751 | /* | |
752 | * If the get ID command failed, we check if we can at least set the LEDs on | |
753 | * the keyboard. This should work on every keyboard out there. It also turns | |
754 | * the LEDs off, which we want anyway. | |
755 | */ | |
756 | param[0] = 0; | |
757 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) | |
758 | return -1; | |
759 | atkbd->id = 0xabba; | |
760 | return 0; | |
761 | } | |
762 | ||
9807879b | 763 | if (!ps2_is_keyboard_id(param[0])) |
1da177e4 LT |
764 | return -1; |
765 | ||
766 | atkbd->id = (param[0] << 8) | param[1]; | |
767 | ||
768 | if (atkbd->id == 0xaca1 && atkbd->translated) { | |
a9a1f9c3 | 769 | dev_err(&ps2dev->serio->dev, |
236d6a77 | 770 | "NCD terminal keyboards are only supported on non-translating controllers. " |
a9a1f9c3 | 771 | "Use i8042.direct=1 to disable translation.\n"); |
1da177e4 LT |
772 | return -1; |
773 | } | |
774 | ||
be2d7e42 SN |
775 | /* |
776 | * Make sure nothing is coming from the keyboard and disturbs our | |
777 | * internal state. | |
778 | */ | |
3d725caa SLS |
779 | if (!atkbd_skip_deactivate) |
780 | atkbd_deactivate(atkbd); | |
be2d7e42 | 781 | |
1da177e4 LT |
782 | return 0; |
783 | } | |
784 | ||
785 | /* | |
786 | * atkbd_select_set checks if a keyboard has a working Set 3 support, and | |
787 | * sets it into that. Unfortunately there are keyboards that can be switched | |
788 | * to Set 3, but don't work well in that (BTC Multimedia ...) | |
789 | */ | |
790 | ||
791 | static int atkbd_select_set(struct atkbd *atkbd, int target_set, int allow_extra) | |
792 | { | |
793 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
794 | unsigned char param[2]; | |
795 | ||
a9a1f9c3 | 796 | atkbd->extra = false; |
1da177e4 LT |
797 | /* |
798 | * For known special keyboards we can go ahead and set the correct set. | |
799 | * We check for NCD PS/2 Sun, NorthGate OmniKey 101 and | |
800 | * IBM RapidAccess / IBM EzButton / Chicony KBP-8993 keyboards. | |
801 | */ | |
802 | ||
803 | if (atkbd->translated) | |
804 | return 2; | |
805 | ||
806 | if (atkbd->id == 0xaca1) { | |
807 | param[0] = 3; | |
808 | ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET); | |
809 | return 3; | |
810 | } | |
811 | ||
812 | if (allow_extra) { | |
813 | param[0] = 0x71; | |
814 | if (!ps2_command(ps2dev, param, ATKBD_CMD_EX_ENABLE)) { | |
a9a1f9c3 | 815 | atkbd->extra = true; |
1da177e4 LT |
816 | return 2; |
817 | } | |
818 | } | |
819 | ||
8c5188b6 BL |
820 | if (atkbd_terminal) { |
821 | ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MB); | |
822 | return 3; | |
823 | } | |
824 | ||
1da177e4 LT |
825 | if (target_set != 3) |
826 | return 2; | |
827 | ||
828 | if (!ps2_command(ps2dev, param, ATKBD_CMD_OK_GETID)) { | |
829 | atkbd->id = param[0] << 8 | param[1]; | |
830 | return 2; | |
831 | } | |
832 | ||
833 | param[0] = 3; | |
834 | if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) | |
835 | return 2; | |
836 | ||
837 | param[0] = 0; | |
838 | if (ps2_command(ps2dev, param, ATKBD_CMD_GSCANSET)) | |
839 | return 2; | |
840 | ||
841 | if (param[0] != 3) { | |
842 | param[0] = 2; | |
843 | if (ps2_command(ps2dev, param, ATKBD_CMD_SSCANSET)) | |
844 | return 2; | |
845 | } | |
846 | ||
847 | ps2_command(ps2dev, param, ATKBD_CMD_SETALL_MBR); | |
848 | ||
849 | return 3; | |
850 | } | |
851 | ||
fc0eb28c DT |
852 | static int atkbd_reset_state(struct atkbd *atkbd) |
853 | { | |
854 | struct ps2dev *ps2dev = &atkbd->ps2dev; | |
855 | unsigned char param[1]; | |
856 | ||
857 | /* | |
858 | * Set the LEDs to a predefined state (all off). | |
859 | */ | |
860 | ||
861 | param[0] = 0; | |
862 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS)) | |
863 | return -1; | |
864 | ||
865 | /* | |
866 | * Set autorepeat to fastest possible. | |
867 | */ | |
868 | ||
869 | param[0] = 0; | |
870 | if (ps2_command(ps2dev, param, ATKBD_CMD_SETREP)) | |
871 | return -1; | |
872 | ||
873 | return 0; | |
874 | } | |
875 | ||
1da177e4 LT |
876 | /* |
877 | * atkbd_cleanup() restores the keyboard state so that BIOS is happy after a | |
878 | * reboot. | |
879 | */ | |
880 | ||
881 | static void atkbd_cleanup(struct serio *serio) | |
882 | { | |
883 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
57f5b159 DT |
884 | |
885 | atkbd_disable(atkbd); | |
4a299bf5 | 886 | ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF); |
1da177e4 LT |
887 | } |
888 | ||
889 | ||
890 | /* | |
891 | * atkbd_disconnect() closes and frees. | |
892 | */ | |
893 | ||
894 | static void atkbd_disconnect(struct serio *serio) | |
895 | { | |
896 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
897 | ||
59b01513 EB |
898 | sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); |
899 | ||
1da177e4 LT |
900 | atkbd_disable(atkbd); |
901 | ||
0ef7a26a DT |
902 | input_unregister_device(atkbd->dev); |
903 | ||
904 | /* | |
905 | * Make sure we don't have a command in flight. | |
906 | * Note that since atkbd->enabled is false event work will keep | |
907 | * rescheduling itself until it gets canceled and will not try | |
908 | * accessing freed input device or serio port. | |
909 | */ | |
d6d79a78 | 910 | cancel_delayed_work_sync(&atkbd->event_work); |
1da177e4 | 911 | |
1da177e4 LT |
912 | serio_close(serio); |
913 | serio_set_drvdata(serio, NULL); | |
914 | kfree(atkbd); | |
915 | } | |
916 | ||
554101e3 | 917 | /* |
39191698 | 918 | * generate release events for the keycodes given in data |
554101e3 | 919 | */ |
39191698 DM |
920 | static void atkbd_apply_forced_release_keylist(struct atkbd* atkbd, |
921 | const void *data) | |
554101e3 | 922 | { |
39191698 DM |
923 | const unsigned int *keys = data; |
924 | unsigned int i; | |
554101e3 GN |
925 | |
926 | if (atkbd->set == 2) | |
39191698 DM |
927 | for (i = 0; keys[i] != -1U; i++) |
928 | __set_bit(keys[i], atkbd->force_release_mask); | |
554101e3 | 929 | } |
1da177e4 | 930 | |
39191698 DM |
931 | /* |
932 | * Most special keys (Fn+F?) on Dell laptops do not generate release | |
933 | * events so we have to do it ourselves. | |
934 | */ | |
935 | static unsigned int atkbd_dell_laptop_forced_release_keys[] = { | |
936 | 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8f, 0x93, -1U | |
937 | }; | |
938 | ||
5a54c011 JK |
939 | /* |
940 | * Perform fixup for HP system that doesn't generate release | |
941 | * for its video switch | |
942 | */ | |
39191698 DM |
943 | static unsigned int atkbd_hp_forced_release_keys[] = { |
944 | 0x94, -1U | |
945 | }; | |
5a54c011 | 946 | |
4200844b | 947 | /* |
e04126c7 | 948 | * Samsung NC10,NC20 with Fn+F? key release not working |
4200844b | 949 | */ |
39191698 DM |
950 | static unsigned int atkbd_samsung_forced_release_keys[] = { |
951 | 0x82, 0x83, 0x84, 0x86, 0x88, 0x89, 0xb3, 0xf7, 0xf9, -1U | |
952 | }; | |
4200844b | 953 | |
f0a14de2 SD |
954 | /* |
955 | * Amilo Pi 3525 key release for Fn+Volume keys not working | |
956 | */ | |
957 | static unsigned int atkbd_amilo_pi3525_forced_release_keys[] = { | |
958 | 0x20, 0xa0, 0x2e, 0xae, 0x30, 0xb0, -1U | |
959 | }; | |
960 | ||
9166d0f6 AB |
961 | /* |
962 | * Amilo Xi 3650 key release for light touch bar not working | |
963 | */ | |
964 | static unsigned int atkbd_amilo_xi3650_forced_release_keys[] = { | |
965 | 0x67, 0xed, 0x90, 0xa2, 0x99, 0xa4, 0xae, 0xb0, -1U | |
966 | }; | |
967 | ||
032e46cb JY |
968 | /* |
969 | * Soltech TA12 system with broken key release on volume keys and mute key | |
970 | */ | |
971 | static unsigned int atkdb_soltech_ta12_forced_release_keys[] = { | |
972 | 0xa0, 0xae, 0xb0, -1U | |
973 | }; | |
974 | ||
000c2a35 HRK |
975 | /* |
976 | * Many notebooks don't send key release event for volume up/down | |
977 | * keys, with key list below common among them | |
978 | */ | |
979 | static unsigned int atkbd_volume_forced_release_keys[] = { | |
980 | 0xae, 0xb0, -1U | |
981 | }; | |
982 | ||
e5713069 JL |
983 | /* |
984 | * OQO 01+ multimedia keys (64--66) generate e0 6x upon release whereas | |
985 | * they should be generating e4-e6 (0x80 | code). | |
986 | */ | |
987 | static unsigned int atkbd_oqo_01plus_scancode_fixup(struct atkbd *atkbd, | |
988 | unsigned int code) | |
989 | { | |
990 | if (atkbd->translated && atkbd->emul == 1 && | |
991 | (code == 0x64 || code == 0x65 || code == 0x66)) { | |
992 | atkbd->emul = 0; | |
993 | code |= 0x80; | |
994 | } | |
995 | ||
996 | return code; | |
997 | } | |
998 | ||
1da177e4 | 999 | /* |
3c42f0c3 | 1000 | * atkbd_set_keycode_table() initializes keyboard's keycode table |
1da177e4 LT |
1001 | * according to the selected scancode set |
1002 | */ | |
1003 | ||
1004 | static void atkbd_set_keycode_table(struct atkbd *atkbd) | |
1005 | { | |
554101e3 | 1006 | unsigned int scancode; |
1da177e4 LT |
1007 | int i, j; |
1008 | ||
1009 | memset(atkbd->keycode, 0, sizeof(atkbd->keycode)); | |
1ba36e11 | 1010 | bitmap_zero(atkbd->force_release_mask, ATKBD_KEYMAP_SIZE); |
1da177e4 LT |
1011 | |
1012 | if (atkbd->translated) { | |
1013 | for (i = 0; i < 128; i++) { | |
554101e3 GN |
1014 | scancode = atkbd_unxlate_table[i]; |
1015 | atkbd->keycode[i] = atkbd_set2_keycode[scancode]; | |
1016 | atkbd->keycode[i | 0x80] = atkbd_set2_keycode[scancode | 0x80]; | |
1da177e4 LT |
1017 | if (atkbd->scroll) |
1018 | for (j = 0; j < ARRAY_SIZE(atkbd_scroll_keys); j++) | |
554101e3 | 1019 | if ((scancode | 0x80) == atkbd_scroll_keys[j].set2) |
1da177e4 LT |
1020 | atkbd->keycode[i | 0x80] = atkbd_scroll_keys[j].keycode; |
1021 | } | |
1022 | } else if (atkbd->set == 3) { | |
1023 | memcpy(atkbd->keycode, atkbd_set3_keycode, sizeof(atkbd->keycode)); | |
1024 | } else { | |
1025 | memcpy(atkbd->keycode, atkbd_set2_keycode, sizeof(atkbd->keycode)); | |
1026 | ||
1027 | if (atkbd->scroll) | |
554101e3 GN |
1028 | for (i = 0; i < ARRAY_SIZE(atkbd_scroll_keys); i++) { |
1029 | scancode = atkbd_scroll_keys[i].set2; | |
1030 | atkbd->keycode[scancode] = atkbd_scroll_keys[i].keycode; | |
1031 | } | |
1da177e4 | 1032 | } |
0ae051a1 | 1033 | |
554101e3 GN |
1034 | /* |
1035 | * HANGEUL and HANJA keys do not send release events so we need to | |
1036 | * generate such events ourselves | |
1037 | */ | |
1038 | scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL); | |
1039 | atkbd->keycode[scancode] = KEY_HANGEUL; | |
1040 | __set_bit(scancode, atkbd->force_release_mask); | |
1041 | ||
1042 | scancode = atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA); | |
1043 | atkbd->keycode[scancode] = KEY_HANJA; | |
1044 | __set_bit(scancode, atkbd->force_release_mask); | |
1045 | ||
1046 | /* | |
1047 | * Perform additional fixups | |
1048 | */ | |
1049 | if (atkbd_platform_fixup) | |
39191698 | 1050 | atkbd_platform_fixup(atkbd, atkbd_platform_fixup_data); |
1da177e4 LT |
1051 | } |
1052 | ||
1053 | /* | |
1054 | * atkbd_set_device_attrs() sets up keyboard's input device structure | |
1055 | */ | |
1056 | ||
1057 | static void atkbd_set_device_attrs(struct atkbd *atkbd) | |
1058 | { | |
3c42f0c3 | 1059 | struct input_dev *input_dev = atkbd->dev; |
1da177e4 LT |
1060 | int i; |
1061 | ||
3c42f0c3 | 1062 | if (atkbd->extra) |
ea08c6fa DT |
1063 | snprintf(atkbd->name, sizeof(atkbd->name), |
1064 | "AT Set 2 Extra keyboard"); | |
3c42f0c3 | 1065 | else |
ea08c6fa DT |
1066 | snprintf(atkbd->name, sizeof(atkbd->name), |
1067 | "AT %s Set %d keyboard", | |
1068 | atkbd->translated ? "Translated" : "Raw", atkbd->set); | |
1da177e4 | 1069 | |
ea08c6fa DT |
1070 | snprintf(atkbd->phys, sizeof(atkbd->phys), |
1071 | "%s/input0", atkbd->ps2dev.serio->phys); | |
1da177e4 | 1072 | |
3c42f0c3 DT |
1073 | input_dev->name = atkbd->name; |
1074 | input_dev->phys = atkbd->phys; | |
1075 | input_dev->id.bustype = BUS_I8042; | |
1076 | input_dev->id.vendor = 0x0001; | |
1077 | input_dev->id.product = atkbd->translated ? 1 : atkbd->set; | |
1078 | input_dev->id.version = atkbd->id; | |
1079 | input_dev->event = atkbd_event; | |
469ba4df | 1080 | input_dev->dev.parent = &atkbd->ps2dev.serio->dev; |
1da177e4 | 1081 | |
b356872f DT |
1082 | input_set_drvdata(input_dev, atkbd); |
1083 | ||
7b19ada2 JS |
1084 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | |
1085 | BIT_MASK(EV_MSC); | |
1da177e4 LT |
1086 | |
1087 | if (atkbd->write) { | |
7b19ada2 JS |
1088 | input_dev->evbit[0] |= BIT_MASK(EV_LED); |
1089 | input_dev->ledbit[0] = BIT_MASK(LED_NUML) | | |
1090 | BIT_MASK(LED_CAPSL) | BIT_MASK(LED_SCROLLL); | |
1da177e4 LT |
1091 | } |
1092 | ||
1093 | if (atkbd->extra) | |
7b19ada2 JS |
1094 | input_dev->ledbit[0] |= BIT_MASK(LED_COMPOSE) | |
1095 | BIT_MASK(LED_SUSPEND) | BIT_MASK(LED_SLEEP) | | |
1096 | BIT_MASK(LED_MUTE) | BIT_MASK(LED_MISC); | |
1da177e4 LT |
1097 | |
1098 | if (!atkbd->softrepeat) { | |
3c42f0c3 DT |
1099 | input_dev->rep[REP_DELAY] = 250; |
1100 | input_dev->rep[REP_PERIOD] = 33; | |
1da177e4 LT |
1101 | } |
1102 | ||
7b19ada2 JS |
1103 | input_dev->mscbit[0] = atkbd->softraw ? BIT_MASK(MSC_SCAN) : |
1104 | BIT_MASK(MSC_RAW) | BIT_MASK(MSC_SCAN); | |
1da177e4 LT |
1105 | |
1106 | if (atkbd->scroll) { | |
7b19ada2 JS |
1107 | input_dev->evbit[0] |= BIT_MASK(EV_REL); |
1108 | input_dev->relbit[0] = BIT_MASK(REL_WHEEL) | | |
1109 | BIT_MASK(REL_HWHEEL); | |
f6d65610 | 1110 | __set_bit(BTN_MIDDLE, input_dev->keybit); |
1da177e4 LT |
1111 | } |
1112 | ||
3c42f0c3 | 1113 | input_dev->keycode = atkbd->keycode; |
f6d65610 | 1114 | input_dev->keycodesize = sizeof(unsigned short); |
3c42f0c3 | 1115 | input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode); |
1da177e4 | 1116 | |
4b70858b DT |
1117 | for (i = 0; i < ATKBD_KEYMAP_SIZE; i++) { |
1118 | if (atkbd->keycode[i] != KEY_RESERVED && | |
1119 | atkbd->keycode[i] != ATKBD_KEY_NULL && | |
1120 | atkbd->keycode[i] < ATKBD_SPECIAL) { | |
f6d65610 | 1121 | __set_bit(atkbd->keycode[i], input_dev->keybit); |
4b70858b DT |
1122 | } |
1123 | } | |
1da177e4 LT |
1124 | } |
1125 | ||
1126 | /* | |
1127 | * atkbd_connect() is called when the serio module finds an interface | |
1128 | * that isn't handled yet by an appropriate device driver. We check if | |
1129 | * there is an AT keyboard out there and if yes, we register ourselves | |
1130 | * to the input module. | |
1131 | */ | |
1132 | ||
1133 | static int atkbd_connect(struct serio *serio, struct serio_driver *drv) | |
1134 | { | |
1135 | struct atkbd *atkbd; | |
3c42f0c3 DT |
1136 | struct input_dev *dev; |
1137 | int err = -ENOMEM; | |
1da177e4 | 1138 | |
3c42f0c3 DT |
1139 | atkbd = kzalloc(sizeof(struct atkbd), GFP_KERNEL); |
1140 | dev = input_allocate_device(); | |
1141 | if (!atkbd || !dev) | |
2b03b60e | 1142 | goto fail1; |
1da177e4 | 1143 | |
3c42f0c3 | 1144 | atkbd->dev = dev; |
1da177e4 | 1145 | ps2_init(&atkbd->ps2dev, serio); |
da4249c9 | 1146 | INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work); |
59b01513 | 1147 | mutex_init(&atkbd->mutex); |
1da177e4 LT |
1148 | |
1149 | switch (serio->id.type) { | |
1150 | ||
a9a1f9c3 DT |
1151 | case SERIO_8042_XL: |
1152 | atkbd->translated = true; | |
1153 | /* Fall through */ | |
1154 | ||
1155 | case SERIO_8042: | |
1156 | if (serio->write) | |
1157 | atkbd->write = true; | |
1158 | break; | |
1da177e4 LT |
1159 | } |
1160 | ||
1161 | atkbd->softraw = atkbd_softraw; | |
1162 | atkbd->softrepeat = atkbd_softrepeat; | |
1163 | atkbd->scroll = atkbd_scroll; | |
1164 | ||
1da177e4 | 1165 | if (atkbd->softrepeat) |
a9a1f9c3 | 1166 | atkbd->softraw = true; |
1da177e4 LT |
1167 | |
1168 | serio_set_drvdata(serio, atkbd); | |
1169 | ||
1170 | err = serio_open(serio, drv); | |
3c42f0c3 | 1171 | if (err) |
2b03b60e | 1172 | goto fail2; |
1da177e4 LT |
1173 | |
1174 | if (atkbd->write) { | |
1175 | ||
1176 | if (atkbd_probe(atkbd)) { | |
3c42f0c3 | 1177 | err = -ENODEV; |
2b03b60e | 1178 | goto fail3; |
1da177e4 LT |
1179 | } |
1180 | ||
1181 | atkbd->set = atkbd_select_set(atkbd, atkbd_set, atkbd_extra); | |
fc0eb28c | 1182 | atkbd_reset_state(atkbd); |
1da177e4 LT |
1183 | |
1184 | } else { | |
1185 | atkbd->set = 2; | |
1186 | atkbd->id = 0xab00; | |
1187 | } | |
1188 | ||
1da177e4 LT |
1189 | atkbd_set_keycode_table(atkbd); |
1190 | atkbd_set_device_attrs(atkbd); | |
1191 | ||
2b03b60e DT |
1192 | err = sysfs_create_group(&serio->dev.kobj, &atkbd_attribute_group); |
1193 | if (err) | |
1194 | goto fail3; | |
1da177e4 LT |
1195 | |
1196 | atkbd_enable(atkbd); | |
be2d7e42 SN |
1197 | if (serio->write) |
1198 | atkbd_activate(atkbd); | |
1da177e4 | 1199 | |
2b03b60e DT |
1200 | err = input_register_device(atkbd->dev); |
1201 | if (err) | |
1202 | goto fail4; | |
1da177e4 LT |
1203 | |
1204 | return 0; | |
3c42f0c3 | 1205 | |
2b03b60e DT |
1206 | fail4: sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group); |
1207 | fail3: serio_close(serio); | |
1208 | fail2: serio_set_drvdata(serio, NULL); | |
1209 | fail1: input_free_device(dev); | |
3c42f0c3 DT |
1210 | kfree(atkbd); |
1211 | return err; | |
1da177e4 LT |
1212 | } |
1213 | ||
1214 | /* | |
1215 | * atkbd_reconnect() tries to restore keyboard into a sane state and is | |
1216 | * most likely called on resume. | |
1217 | */ | |
1218 | ||
1219 | static int atkbd_reconnect(struct serio *serio) | |
1220 | { | |
1221 | struct atkbd *atkbd = serio_get_drvdata(serio); | |
1222 | struct serio_driver *drv = serio->drv; | |
59b01513 | 1223 | int retval = -1; |
1da177e4 LT |
1224 | |
1225 | if (!atkbd || !drv) { | |
a9a1f9c3 DT |
1226 | dev_dbg(&serio->dev, |
1227 | "reconnect request, but serio is disconnected, ignoring...\n"); | |
1da177e4 LT |
1228 | return -1; |
1229 | } | |
1230 | ||
59b01513 EB |
1231 | mutex_lock(&atkbd->mutex); |
1232 | ||
1da177e4 LT |
1233 | atkbd_disable(atkbd); |
1234 | ||
1235 | if (atkbd->write) { | |
1da177e4 | 1236 | if (atkbd_probe(atkbd)) |
59b01513 EB |
1237 | goto out; |
1238 | ||
1da177e4 | 1239 | if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra)) |
59b01513 | 1240 | goto out; |
1da177e4 | 1241 | |
d4119bda DT |
1242 | /* |
1243 | * Restore LED state and repeat rate. While input core | |
1244 | * will do this for us at resume time reconnect may happen | |
1245 | * because user requested it via sysfs or simply because | |
1246 | * keyboard was unplugged and plugged in again so we need | |
1247 | * to do it ourselves here. | |
1248 | */ | |
1249 | atkbd_set_leds(atkbd); | |
1250 | if (!atkbd->softrepeat) | |
1251 | atkbd_set_repeat_rate(atkbd); | |
1252 | ||
1da177e4 LT |
1253 | } |
1254 | ||
be2d7e42 SN |
1255 | /* |
1256 | * Reset our state machine in case reconnect happened in the middle | |
1257 | * of multi-byte scancode. | |
1258 | */ | |
1259 | atkbd->xl_bit = 0; | |
1260 | atkbd->emul = 0; | |
1261 | ||
1da177e4 | 1262 | atkbd_enable(atkbd); |
be2d7e42 SN |
1263 | if (atkbd->write) |
1264 | atkbd_activate(atkbd); | |
1265 | ||
59b01513 | 1266 | retval = 0; |
1da177e4 | 1267 | |
59b01513 EB |
1268 | out: |
1269 | mutex_unlock(&atkbd->mutex); | |
1270 | return retval; | |
1da177e4 LT |
1271 | } |
1272 | ||
af2e7d77 | 1273 | static const struct serio_device_id atkbd_serio_ids[] = { |
1da177e4 LT |
1274 | { |
1275 | .type = SERIO_8042, | |
1276 | .proto = SERIO_ANY, | |
1277 | .id = SERIO_ANY, | |
1278 | .extra = SERIO_ANY, | |
1279 | }, | |
1280 | { | |
1281 | .type = SERIO_8042_XL, | |
1282 | .proto = SERIO_ANY, | |
1283 | .id = SERIO_ANY, | |
1284 | .extra = SERIO_ANY, | |
1285 | }, | |
1286 | { | |
1287 | .type = SERIO_RS232, | |
1288 | .proto = SERIO_PS2SER, | |
1289 | .id = SERIO_ANY, | |
1290 | .extra = SERIO_ANY, | |
1291 | }, | |
1292 | { 0 } | |
1293 | }; | |
1294 | ||
1295 | MODULE_DEVICE_TABLE(serio, atkbd_serio_ids); | |
1296 | ||
1297 | static struct serio_driver atkbd_drv = { | |
1298 | .driver = { | |
1299 | .name = "atkbd", | |
1300 | }, | |
1301 | .description = DRIVER_DESC, | |
1302 | .id_table = atkbd_serio_ids, | |
1303 | .interrupt = atkbd_interrupt, | |
1304 | .connect = atkbd_connect, | |
1305 | .reconnect = atkbd_reconnect, | |
1306 | .disconnect = atkbd_disconnect, | |
1307 | .cleanup = atkbd_cleanup, | |
1308 | }; | |
1309 | ||
1310 | static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf, | |
1311 | ssize_t (*handler)(struct atkbd *, char *)) | |
1312 | { | |
1313 | struct serio *serio = to_serio_port(dev); | |
59b01513 | 1314 | struct atkbd *atkbd = serio_get_drvdata(serio); |
1da177e4 | 1315 | |
59b01513 | 1316 | return handler(atkbd, buf); |
1da177e4 LT |
1317 | } |
1318 | ||
1319 | static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count, | |
1320 | ssize_t (*handler)(struct atkbd *, const char *, size_t)) | |
1321 | { | |
1322 | struct serio *serio = to_serio_port(dev); | |
59b01513 | 1323 | struct atkbd *atkbd = serio_get_drvdata(serio); |
1da177e4 LT |
1324 | int retval; |
1325 | ||
59b01513 | 1326 | retval = mutex_lock_interruptible(&atkbd->mutex); |
1da177e4 LT |
1327 | if (retval) |
1328 | return retval; | |
1329 | ||
1da177e4 LT |
1330 | atkbd_disable(atkbd); |
1331 | retval = handler(atkbd, buf, count); | |
1332 | atkbd_enable(atkbd); | |
1333 | ||
59b01513 EB |
1334 | mutex_unlock(&atkbd->mutex); |
1335 | ||
1da177e4 LT |
1336 | return retval; |
1337 | } | |
1338 | ||
1339 | static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf) | |
1340 | { | |
1341 | return sprintf(buf, "%d\n", atkbd->extra ? 1 : 0); | |
1342 | } | |
1343 | ||
1344 | static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count) | |
1345 | { | |
2b03b60e | 1346 | struct input_dev *old_dev, *new_dev; |
76496e7a | 1347 | unsigned int value; |
2b03b60e | 1348 | int err; |
a9a1f9c3 DT |
1349 | bool old_extra; |
1350 | unsigned char old_set; | |
1da177e4 LT |
1351 | |
1352 | if (!atkbd->write) | |
1353 | return -EIO; | |
1354 | ||
76496e7a JD |
1355 | err = kstrtouint(buf, 10, &value); |
1356 | if (err) | |
1357 | return err; | |
1358 | ||
1359 | if (value > 1) | |
1da177e4 LT |
1360 | return -EINVAL; |
1361 | ||
1362 | if (atkbd->extra != value) { | |
3c42f0c3 DT |
1363 | /* |
1364 | * Since device's properties will change we need to | |
2b03b60e DT |
1365 | * unregister old device. But allocate and register |
1366 | * new one first to make sure we have it. | |
3c42f0c3 | 1367 | */ |
2b03b60e DT |
1368 | old_dev = atkbd->dev; |
1369 | old_extra = atkbd->extra; | |
1370 | old_set = atkbd->set; | |
1371 | ||
1372 | new_dev = input_allocate_device(); | |
1373 | if (!new_dev) | |
3c42f0c3 | 1374 | return -ENOMEM; |
2b03b60e | 1375 | |
3c42f0c3 | 1376 | atkbd->dev = new_dev; |
1da177e4 | 1377 | atkbd->set = atkbd_select_set(atkbd, atkbd->set, value); |
fc0eb28c | 1378 | atkbd_reset_state(atkbd); |
1da177e4 | 1379 | atkbd_activate(atkbd); |
2b03b60e | 1380 | atkbd_set_keycode_table(atkbd); |
1da177e4 | 1381 | atkbd_set_device_attrs(atkbd); |
2b03b60e DT |
1382 | |
1383 | err = input_register_device(atkbd->dev); | |
1384 | if (err) { | |
1385 | input_free_device(new_dev); | |
1386 | ||
1387 | atkbd->dev = old_dev; | |
1388 | atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); | |
1389 | atkbd_set_keycode_table(atkbd); | |
1390 | atkbd_set_device_attrs(atkbd); | |
1391 | ||
1392 | return err; | |
1393 | } | |
1394 | input_unregister_device(old_dev); | |
1395 | ||
1da177e4 LT |
1396 | } |
1397 | return count; | |
1398 | } | |
1399 | ||
1ba36e11 DT |
1400 | static ssize_t atkbd_show_force_release(struct atkbd *atkbd, char *buf) |
1401 | { | |
0b480037 TH |
1402 | size_t len = scnprintf(buf, PAGE_SIZE - 1, "%*pbl", |
1403 | ATKBD_KEYMAP_SIZE, atkbd->force_release_mask); | |
1ba36e11 DT |
1404 | |
1405 | buf[len++] = '\n'; | |
1406 | buf[len] = '\0'; | |
1407 | ||
1408 | return len; | |
1409 | } | |
1410 | ||
1411 | static ssize_t atkbd_set_force_release(struct atkbd *atkbd, | |
1412 | const char *buf, size_t count) | |
1413 | { | |
1414 | /* 64 bytes on stack should be acceptable */ | |
1415 | DECLARE_BITMAP(new_mask, ATKBD_KEYMAP_SIZE); | |
1416 | int err; | |
1417 | ||
1418 | err = bitmap_parselist(buf, new_mask, ATKBD_KEYMAP_SIZE); | |
1419 | if (err) | |
1420 | return err; | |
1421 | ||
1422 | memcpy(atkbd->force_release_mask, new_mask, sizeof(atkbd->force_release_mask)); | |
1423 | return count; | |
1424 | } | |
1425 | ||
1426 | ||
1da177e4 LT |
1427 | static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf) |
1428 | { | |
1429 | return sprintf(buf, "%d\n", atkbd->scroll ? 1 : 0); | |
1430 | } | |
1431 | ||
1432 | static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count) | |
1433 | { | |
2b03b60e | 1434 | struct input_dev *old_dev, *new_dev; |
76496e7a | 1435 | unsigned int value; |
2b03b60e | 1436 | int err; |
a9a1f9c3 | 1437 | bool old_scroll; |
1da177e4 | 1438 | |
76496e7a JD |
1439 | err = kstrtouint(buf, 10, &value); |
1440 | if (err) | |
1441 | return err; | |
1442 | ||
1443 | if (value > 1) | |
1da177e4 LT |
1444 | return -EINVAL; |
1445 | ||
1446 | if (atkbd->scroll != value) { | |
2b03b60e DT |
1447 | old_dev = atkbd->dev; |
1448 | old_scroll = atkbd->scroll; | |
1449 | ||
1450 | new_dev = input_allocate_device(); | |
1451 | if (!new_dev) | |
3c42f0c3 | 1452 | return -ENOMEM; |
2b03b60e | 1453 | |
3c42f0c3 | 1454 | atkbd->dev = new_dev; |
1da177e4 LT |
1455 | atkbd->scroll = value; |
1456 | atkbd_set_keycode_table(atkbd); | |
1457 | atkbd_set_device_attrs(atkbd); | |
2b03b60e DT |
1458 | |
1459 | err = input_register_device(atkbd->dev); | |
1460 | if (err) { | |
1461 | input_free_device(new_dev); | |
1462 | ||
1463 | atkbd->scroll = old_scroll; | |
1464 | atkbd->dev = old_dev; | |
1465 | atkbd_set_keycode_table(atkbd); | |
1466 | atkbd_set_device_attrs(atkbd); | |
1467 | ||
1468 | return err; | |
1469 | } | |
1470 | input_unregister_device(old_dev); | |
1da177e4 LT |
1471 | } |
1472 | return count; | |
1473 | } | |
1474 | ||
1475 | static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf) | |
1476 | { | |
1477 | return sprintf(buf, "%d\n", atkbd->set); | |
1478 | } | |
1479 | ||
1480 | static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) | |
1481 | { | |
2b03b60e | 1482 | struct input_dev *old_dev, *new_dev; |
76496e7a | 1483 | unsigned int value; |
2b03b60e | 1484 | int err; |
a9a1f9c3 DT |
1485 | unsigned char old_set; |
1486 | bool old_extra; | |
1da177e4 LT |
1487 | |
1488 | if (!atkbd->write) | |
1489 | return -EIO; | |
1490 | ||
76496e7a JD |
1491 | err = kstrtouint(buf, 10, &value); |
1492 | if (err) | |
1493 | return err; | |
1494 | ||
1495 | if (value != 2 && value != 3) | |
1da177e4 LT |
1496 | return -EINVAL; |
1497 | ||
1498 | if (atkbd->set != value) { | |
2b03b60e DT |
1499 | old_dev = atkbd->dev; |
1500 | old_extra = atkbd->extra; | |
1501 | old_set = atkbd->set; | |
1502 | ||
1503 | new_dev = input_allocate_device(); | |
1504 | if (!new_dev) | |
3c42f0c3 | 1505 | return -ENOMEM; |
2b03b60e | 1506 | |
3c42f0c3 | 1507 | atkbd->dev = new_dev; |
1da177e4 | 1508 | atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra); |
d4119bda | 1509 | atkbd_reset_state(atkbd); |
1da177e4 LT |
1510 | atkbd_activate(atkbd); |
1511 | atkbd_set_keycode_table(atkbd); | |
1512 | atkbd_set_device_attrs(atkbd); | |
2b03b60e DT |
1513 | |
1514 | err = input_register_device(atkbd->dev); | |
1515 | if (err) { | |
1516 | input_free_device(new_dev); | |
1517 | ||
1518 | atkbd->dev = old_dev; | |
1519 | atkbd->set = atkbd_select_set(atkbd, old_set, old_extra); | |
1520 | atkbd_set_keycode_table(atkbd); | |
1521 | atkbd_set_device_attrs(atkbd); | |
1522 | ||
1523 | return err; | |
1524 | } | |
1525 | input_unregister_device(old_dev); | |
1da177e4 LT |
1526 | } |
1527 | return count; | |
1528 | } | |
1529 | ||
1530 | static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf) | |
1531 | { | |
1532 | return sprintf(buf, "%d\n", atkbd->softrepeat ? 1 : 0); | |
1533 | } | |
1534 | ||
1535 | static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count) | |
1536 | { | |
2b03b60e | 1537 | struct input_dev *old_dev, *new_dev; |
76496e7a | 1538 | unsigned int value; |
2b03b60e | 1539 | int err; |
a9a1f9c3 | 1540 | bool old_softrepeat, old_softraw; |
1da177e4 LT |
1541 | |
1542 | if (!atkbd->write) | |
1543 | return -EIO; | |
1544 | ||
76496e7a JD |
1545 | err = kstrtouint(buf, 10, &value); |
1546 | if (err) | |
1547 | return err; | |
1548 | ||
1549 | if (value > 1) | |
1da177e4 LT |
1550 | return -EINVAL; |
1551 | ||
1552 | if (atkbd->softrepeat != value) { | |
2b03b60e DT |
1553 | old_dev = atkbd->dev; |
1554 | old_softrepeat = atkbd->softrepeat; | |
1555 | old_softraw = atkbd->softraw; | |
1556 | ||
1557 | new_dev = input_allocate_device(); | |
1558 | if (!new_dev) | |
3c42f0c3 | 1559 | return -ENOMEM; |
2b03b60e | 1560 | |
3c42f0c3 | 1561 | atkbd->dev = new_dev; |
1da177e4 LT |
1562 | atkbd->softrepeat = value; |
1563 | if (atkbd->softrepeat) | |
a9a1f9c3 | 1564 | atkbd->softraw = true; |
1da177e4 | 1565 | atkbd_set_device_attrs(atkbd); |
2b03b60e DT |
1566 | |
1567 | err = input_register_device(atkbd->dev); | |
1568 | if (err) { | |
1569 | input_free_device(new_dev); | |
1570 | ||
1571 | atkbd->dev = old_dev; | |
1572 | atkbd->softrepeat = old_softrepeat; | |
1573 | atkbd->softraw = old_softraw; | |
1574 | atkbd_set_device_attrs(atkbd); | |
1575 | ||
1576 | return err; | |
1577 | } | |
1578 | input_unregister_device(old_dev); | |
1da177e4 | 1579 | } |
1da177e4 LT |
1580 | return count; |
1581 | } | |
1582 | ||
1583 | ||
1584 | static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf) | |
1585 | { | |
1586 | return sprintf(buf, "%d\n", atkbd->softraw ? 1 : 0); | |
1587 | } | |
1588 | ||
1589 | static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count) | |
1590 | { | |
2b03b60e | 1591 | struct input_dev *old_dev, *new_dev; |
76496e7a | 1592 | unsigned int value; |
2b03b60e | 1593 | int err; |
a9a1f9c3 | 1594 | bool old_softraw; |
1da177e4 | 1595 | |
76496e7a JD |
1596 | err = kstrtouint(buf, 10, &value); |
1597 | if (err) | |
1598 | return err; | |
1599 | ||
1600 | if (value > 1) | |
1da177e4 LT |
1601 | return -EINVAL; |
1602 | ||
1603 | if (atkbd->softraw != value) { | |
2b03b60e DT |
1604 | old_dev = atkbd->dev; |
1605 | old_softraw = atkbd->softraw; | |
1606 | ||
1607 | new_dev = input_allocate_device(); | |
1608 | if (!new_dev) | |
3c42f0c3 | 1609 | return -ENOMEM; |
2b03b60e | 1610 | |
3c42f0c3 | 1611 | atkbd->dev = new_dev; |
1da177e4 LT |
1612 | atkbd->softraw = value; |
1613 | atkbd_set_device_attrs(atkbd); | |
2b03b60e DT |
1614 | |
1615 | err = input_register_device(atkbd->dev); | |
1616 | if (err) { | |
1617 | input_free_device(new_dev); | |
1618 | ||
1619 | atkbd->dev = old_dev; | |
1620 | atkbd->softraw = old_softraw; | |
1621 | atkbd_set_device_attrs(atkbd); | |
1622 | ||
1623 | return err; | |
1624 | } | |
1625 | input_unregister_device(old_dev); | |
1da177e4 LT |
1626 | } |
1627 | return count; | |
1628 | } | |
1629 | ||
86255d9d DT |
1630 | static ssize_t atkbd_show_err_count(struct atkbd *atkbd, char *buf) |
1631 | { | |
1632 | return sprintf(buf, "%lu\n", atkbd->err_count); | |
1633 | } | |
1634 | ||
39191698 | 1635 | static int __init atkbd_setup_forced_release(const struct dmi_system_id *id) |
554101e3 | 1636 | { |
39191698 DM |
1637 | atkbd_platform_fixup = atkbd_apply_forced_release_keylist; |
1638 | atkbd_platform_fixup_data = id->driver_data; | |
1639 | ||
c388b2c6 | 1640 | return 1; |
554101e3 GN |
1641 | } |
1642 | ||
e5713069 JL |
1643 | static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id) |
1644 | { | |
1645 | atkbd_platform_scancode_fixup = id->driver_data; | |
1646 | ||
c388b2c6 | 1647 | return 1; |
e5713069 JL |
1648 | } |
1649 | ||
3d725caa SLS |
1650 | static int __init atkbd_deactivate_fixup(const struct dmi_system_id *id) |
1651 | { | |
1652 | atkbd_skip_deactivate = true; | |
1653 | return 1; | |
1654 | } | |
1655 | ||
8b8a518e DT |
1656 | /* |
1657 | * NOTE: do not add any more "force release" quirks to this table. The | |
1658 | * task of adjusting list of keys that should be "released" automatically | |
1659 | * by the driver is now delegated to userspace tools, such as udev, so | |
1660 | * submit such quirks there. | |
1661 | */ | |
c45fc81e | 1662 | static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = { |
554101e3 | 1663 | { |
554101e3 GN |
1664 | .matches = { |
1665 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
61579ba8 | 1666 | DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ |
554101e3 | 1667 | }, |
39191698 DM |
1668 | .callback = atkbd_setup_forced_release, |
1669 | .driver_data = atkbd_dell_laptop_forced_release_keys, | |
554101e3 | 1670 | }, |
2a3ec326 | 1671 | { |
2a3ec326 MG |
1672 | .matches = { |
1673 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"), | |
1674 | DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ | |
1675 | }, | |
39191698 DM |
1676 | .callback = atkbd_setup_forced_release, |
1677 | .driver_data = atkbd_dell_laptop_forced_release_keys, | |
2a3ec326 | 1678 | }, |
5a54c011 | 1679 | { |
5a54c011 JK |
1680 | .matches = { |
1681 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
1682 | DMI_MATCH(DMI_PRODUCT_NAME, "HP 2133"), | |
1683 | }, | |
39191698 DM |
1684 | .callback = atkbd_setup_forced_release, |
1685 | .driver_data = atkbd_hp_forced_release_keys, | |
5a54c011 | 1686 | }, |
181f6382 | 1687 | { |
181f6382 RL |
1688 | .matches = { |
1689 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
1690 | DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion ZV6100"), | |
1691 | }, | |
39191698 | 1692 | .callback = atkbd_setup_forced_release, |
000c2a35 | 1693 | .driver_data = atkbd_volume_forced_release_keys, |
181f6382 | 1694 | }, |
2bcaa6a4 | 1695 | { |
2bcaa6a4 DA |
1696 | .matches = { |
1697 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
1698 | DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4000"), | |
1699 | }, | |
1700 | .callback = atkbd_setup_forced_release, | |
000c2a35 | 1701 | .driver_data = atkbd_volume_forced_release_keys, |
2bcaa6a4 DA |
1702 | }, |
1703 | { | |
2bcaa6a4 DA |
1704 | .matches = { |
1705 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
1706 | DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4100"), | |
1707 | }, | |
1708 | .callback = atkbd_setup_forced_release, | |
000c2a35 | 1709 | .driver_data = atkbd_volume_forced_release_keys, |
2bcaa6a4 DA |
1710 | }, |
1711 | { | |
2bcaa6a4 DA |
1712 | .matches = { |
1713 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
1714 | DMI_MATCH(DMI_PRODUCT_NAME, "Presario R4200"), | |
1715 | }, | |
1716 | .callback = atkbd_setup_forced_release, | |
000c2a35 | 1717 | .driver_data = atkbd_volume_forced_release_keys, |
2bcaa6a4 | 1718 | }, |
a8215b81 | 1719 | { |
c45fc81e | 1720 | /* Inventec Symphony */ |
a8215b81 MG |
1721 | .matches = { |
1722 | DMI_MATCH(DMI_SYS_VENDOR, "INVENTEC"), | |
1723 | DMI_MATCH(DMI_PRODUCT_NAME, "SYMPHONY 6.0/7.0"), | |
1724 | }, | |
39191698 | 1725 | .callback = atkbd_setup_forced_release, |
000c2a35 | 1726 | .driver_data = atkbd_volume_forced_release_keys, |
a8215b81 | 1727 | }, |
4200844b | 1728 | { |
c45fc81e | 1729 | /* Samsung NC10 */ |
4200844b SH |
1730 | .matches = { |
1731 | DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), | |
1732 | DMI_MATCH(DMI_PRODUCT_NAME, "NC10"), | |
1733 | }, | |
39191698 DM |
1734 | .callback = atkbd_setup_forced_release, |
1735 | .driver_data = atkbd_samsung_forced_release_keys, | |
4200844b | 1736 | }, |
e04126c7 | 1737 | { |
c45fc81e | 1738 | /* Samsung NC20 */ |
e04126c7 BC |
1739 | .matches = { |
1740 | DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), | |
1741 | DMI_MATCH(DMI_PRODUCT_NAME, "NC20"), | |
1742 | }, | |
1743 | .callback = atkbd_setup_forced_release, | |
1744 | .driver_data = atkbd_samsung_forced_release_keys, | |
1745 | }, | |
157f3a3e | 1746 | { |
c45fc81e | 1747 | /* Samsung SQ45S70S */ |
157f3a3e DT |
1748 | .matches = { |
1749 | DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), | |
1750 | DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"), | |
1751 | }, | |
1752 | .callback = atkbd_setup_forced_release, | |
1753 | .driver_data = atkbd_samsung_forced_release_keys, | |
1754 | }, | |
adcb523e | 1755 | { |
c45fc81e | 1756 | /* Fujitsu Amilo PA 1510 */ |
adcb523e DM |
1757 | .matches = { |
1758 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
1759 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 1510"), | |
1760 | }, | |
1761 | .callback = atkbd_setup_forced_release, | |
000c2a35 | 1762 | .driver_data = atkbd_volume_forced_release_keys, |
adcb523e | 1763 | }, |
f0a14de2 | 1764 | { |
c45fc81e | 1765 | /* Fujitsu Amilo Pi 3525 */ |
f0a14de2 SD |
1766 | .matches = { |
1767 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
1768 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 3525"), | |
1769 | }, | |
1770 | .callback = atkbd_setup_forced_release, | |
1771 | .driver_data = atkbd_amilo_pi3525_forced_release_keys, | |
1772 | }, | |
9166d0f6 | 1773 | { |
c45fc81e | 1774 | /* Fujitsu Amilo Xi 3650 */ |
9166d0f6 AB |
1775 | .matches = { |
1776 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
1777 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 3650"), | |
1778 | }, | |
1779 | .callback = atkbd_setup_forced_release, | |
1780 | .driver_data = atkbd_amilo_xi3650_forced_release_keys, | |
1781 | }, | |
032e46cb | 1782 | { |
032e46cb JY |
1783 | .matches = { |
1784 | DMI_MATCH(DMI_SYS_VENDOR, "Soltech Corporation"), | |
1785 | DMI_MATCH(DMI_PRODUCT_NAME, "TA12"), | |
1786 | }, | |
1787 | .callback = atkbd_setup_forced_release, | |
1788 | .driver_data = atkdb_soltech_ta12_forced_release_keys, | |
1789 | }, | |
e5713069 | 1790 | { |
c45fc81e | 1791 | /* OQO Model 01+ */ |
e5713069 JL |
1792 | .matches = { |
1793 | DMI_MATCH(DMI_SYS_VENDOR, "OQO"), | |
1794 | DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"), | |
1795 | }, | |
1796 | .callback = atkbd_setup_scancode_fixup, | |
1797 | .driver_data = atkbd_oqo_01plus_scancode_fixup, | |
1798 | }, | |
3d725caa SLS |
1799 | { |
1800 | .matches = { | |
1801 | DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"), | |
3d725caa SLS |
1802 | }, |
1803 | .callback = atkbd_deactivate_fixup, | |
1804 | }, | |
554101e3 GN |
1805 | { } |
1806 | }; | |
1da177e4 LT |
1807 | |
1808 | static int __init atkbd_init(void) | |
1809 | { | |
554101e3 GN |
1810 | dmi_check_system(atkbd_dmi_quirk_table); |
1811 | ||
153a9df0 | 1812 | return serio_register_driver(&atkbd_drv); |
1da177e4 LT |
1813 | } |
1814 | ||
1815 | static void __exit atkbd_exit(void) | |
1816 | { | |
1817 | serio_unregister_driver(&atkbd_drv); | |
1818 | } | |
1819 | ||
1820 | module_init(atkbd_init); | |
1821 | module_exit(atkbd_exit); |