diff options
Diffstat (limited to 'drivers/platform/x86/fujitsu-tablet.c')
-rw-r--r-- | drivers/platform/x86/fujitsu-tablet.c | 489 |
1 files changed, 0 insertions, 489 deletions
diff --git a/drivers/platform/x86/fujitsu-tablet.c b/drivers/platform/x86/fujitsu-tablet.c deleted file mode 100644 index 174ca01c4aa..00000000000 --- a/drivers/platform/x86/fujitsu-tablet.c +++ /dev/null | |||
@@ -1,489 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2006-2012 Robert Gerlach <khnz@gmx.de> | ||
3 | * Copyright (C) 2005-2006 Jan Rychter <jan@rychter.com> | ||
4 | * | ||
5 | * You can redistribute and/or modify this program under the terms of the | ||
6 | * GNU General Public License version 2 as published by the Free Software | ||
7 | * Foundation. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, but | ||
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General | ||
12 | * Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License along | ||
15 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
16 | * 59 Temple Place Suite 330, Boston, MA 02111-1307, USA. | ||
17 | */ | ||
18 | |||
19 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ||
20 | |||
21 | #include <linux/kernel.h> | ||
22 | #include <linux/module.h> | ||
23 | #include <linux/init.h> | ||
24 | #include <linux/bitops.h> | ||
25 | #include <linux/io.h> | ||
26 | #include <linux/ioport.h> | ||
27 | #include <linux/acpi.h> | ||
28 | #include <linux/device.h> | ||
29 | #include <linux/interrupt.h> | ||
30 | #include <linux/input.h> | ||
31 | #include <linux/delay.h> | ||
32 | #include <linux/dmi.h> | ||
33 | |||
34 | #define MODULENAME "fujitsu-tablet" | ||
35 | |||
36 | #define ACPI_FUJITSU_CLASS "fujitsu" | ||
37 | |||
38 | #define INVERT_TABLET_MODE_BIT 0x01 | ||
39 | #define INVERT_DOCK_STATE_BIT 0x02 | ||
40 | #define FORCE_TABLET_MODE_IF_UNDOCK 0x04 | ||
41 | |||
42 | #define KEYMAP_LEN 16 | ||
43 | |||
44 | static const struct acpi_device_id fujitsu_ids[] = { | ||
45 | { .id = "FUJ02BD" }, | ||
46 | { .id = "FUJ02BF" }, | ||
47 | { .id = "" } | ||
48 | }; | ||
49 | |||
50 | struct fujitsu_config { | ||
51 | unsigned short keymap[KEYMAP_LEN]; | ||
52 | unsigned int quirks; | ||
53 | }; | ||
54 | |||
55 | static unsigned short keymap_Lifebook_Tseries[KEYMAP_LEN] __initdata = { | ||
56 | KEY_RESERVED, | ||
57 | KEY_RESERVED, | ||
58 | KEY_RESERVED, | ||
59 | KEY_RESERVED, | ||
60 | KEY_SCROLLDOWN, | ||
61 | KEY_SCROLLUP, | ||
62 | KEY_DIRECTION, | ||
63 | KEY_LEFTCTRL, | ||
64 | KEY_BRIGHTNESSUP, | ||
65 | KEY_BRIGHTNESSDOWN, | ||
66 | KEY_BRIGHTNESS_ZERO, | ||
67 | KEY_RESERVED, | ||
68 | KEY_RESERVED, | ||
69 | KEY_RESERVED, | ||
70 | KEY_RESERVED, | ||
71 | KEY_LEFTALT | ||
72 | }; | ||
73 | |||
74 | static unsigned short keymap_Lifebook_U810[KEYMAP_LEN] __initdata = { | ||
75 | KEY_RESERVED, | ||
76 | KEY_RESERVED, | ||
77 | KEY_RESERVED, | ||
78 | KEY_RESERVED, | ||
79 | KEY_PROG1, | ||
80 | KEY_PROG2, | ||
81 | KEY_DIRECTION, | ||
82 | KEY_RESERVED, | ||
83 | KEY_RESERVED, | ||
84 | KEY_RESERVED, | ||
85 | KEY_UP, | ||
86 | KEY_DOWN, | ||
87 | KEY_RESERVED, | ||
88 | KEY_RESERVED, | ||
89 | KEY_LEFTCTRL, | ||
90 | KEY_LEFTALT | ||
91 | }; | ||
92 | |||
93 | static unsigned short keymap_Stylistic_Tseries[KEYMAP_LEN] __initdata = { | ||
94 | KEY_RESERVED, | ||
95 | KEY_RESERVED, | ||
96 | KEY_RESERVED, | ||
97 | KEY_RESERVED, | ||
98 | KEY_PRINT, | ||
99 | KEY_BACKSPACE, | ||
100 | KEY_SPACE, | ||
101 | KEY_ENTER, | ||
102 | KEY_BRIGHTNESSUP, | ||
103 | KEY_BRIGHTNESSDOWN, | ||
104 | KEY_DOWN, | ||
105 | KEY_UP, | ||
106 | KEY_SCROLLUP, | ||
107 | KEY_SCROLLDOWN, | ||
108 | KEY_LEFTCTRL, | ||
109 | KEY_LEFTALT | ||
110 | }; | ||
111 | |||
112 | static unsigned short keymap_Stylistic_ST5xxx[KEYMAP_LEN] __initdata = { | ||
113 | KEY_RESERVED, | ||
114 | KEY_RESERVED, | ||
115 | KEY_RESERVED, | ||
116 | KEY_RESERVED, | ||
117 | KEY_MAIL, | ||
118 | KEY_DIRECTION, | ||
119 | KEY_ESC, | ||
120 | KEY_ENTER, | ||
121 | KEY_BRIGHTNESSUP, | ||
122 | KEY_BRIGHTNESSDOWN, | ||
123 | KEY_DOWN, | ||
124 | KEY_UP, | ||
125 | KEY_SCROLLUP, | ||
126 | KEY_SCROLLDOWN, | ||
127 | KEY_LEFTCTRL, | ||
128 | KEY_LEFTALT | ||
129 | }; | ||
130 | |||
131 | static struct { | ||
132 | struct input_dev *idev; | ||
133 | struct fujitsu_config config; | ||
134 | unsigned long prev_keymask; | ||
135 | |||
136 | char phys[21]; | ||
137 | |||
138 | int irq; | ||
139 | int io_base; | ||
140 | int io_length; | ||
141 | } fujitsu; | ||
142 | |||
143 | static u8 fujitsu_ack(void) | ||
144 | { | ||
145 | return inb(fujitsu.io_base + 2); | ||
146 | } | ||
147 | |||
148 | static u8 fujitsu_status(void) | ||
149 | { | ||
150 | return inb(fujitsu.io_base + 6); | ||
151 | } | ||
152 | |||
153 | static u8 fujitsu_read_register(const u8 addr) | ||
154 | { | ||
155 | outb(addr, fujitsu.io_base); | ||
156 | return inb(fujitsu.io_base + 4); | ||
157 | } | ||
158 | |||
159 | static void fujitsu_send_state(void) | ||
160 | { | ||
161 | int state; | ||
162 | int dock, tablet_mode; | ||
163 | |||
164 | state = fujitsu_read_register(0xdd); | ||
165 | |||
166 | dock = state & 0x02; | ||
167 | if (fujitsu.config.quirks & INVERT_DOCK_STATE_BIT) | ||
168 | dock = !dock; | ||
169 | |||
170 | if ((fujitsu.config.quirks & FORCE_TABLET_MODE_IF_UNDOCK) && (!dock)) { | ||
171 | tablet_mode = 1; | ||
172 | } else{ | ||
173 | tablet_mode = state & 0x01; | ||
174 | if (fujitsu.config.quirks & INVERT_TABLET_MODE_BIT) | ||
175 | tablet_mode = !tablet_mode; | ||
176 | } | ||
177 | |||
178 | input_report_switch(fujitsu.idev, SW_DOCK, dock); | ||
179 | input_report_switch(fujitsu.idev, SW_TABLET_MODE, tablet_mode); | ||
180 | input_sync(fujitsu.idev); | ||
181 | } | ||
182 | |||
183 | static void fujitsu_reset(void) | ||
184 | { | ||
185 | int timeout = 50; | ||
186 | |||
187 | fujitsu_ack(); | ||
188 | |||
189 | while ((fujitsu_status() & 0x02) && (--timeout)) | ||
190 | msleep(20); | ||
191 | |||
192 | fujitsu_send_state(); | ||
193 | } | ||
194 | |||
195 | static int input_fujitsu_setup(struct device *parent, const char *name, | ||
196 | const char *phys) | ||
197 | { | ||
198 | struct input_dev *idev; | ||
199 | int error; | ||
200 | int i; | ||
201 | |||
202 | idev = input_allocate_device(); | ||
203 | if (!idev) | ||
204 | return -ENOMEM; | ||
205 | |||
206 | idev->dev.parent = parent; | ||
207 | idev->phys = phys; | ||
208 | idev->name = name; | ||
209 | idev->id.bustype = BUS_HOST; | ||
210 | idev->id.vendor = 0x1734; /* Fujitsu Siemens Computer GmbH */ | ||
211 | idev->id.product = 0x0001; | ||
212 | idev->id.version = 0x0101; | ||
213 | |||
214 | idev->keycode = fujitsu.config.keymap; | ||
215 | idev->keycodesize = sizeof(fujitsu.config.keymap[0]); | ||
216 | idev->keycodemax = ARRAY_SIZE(fujitsu.config.keymap); | ||
217 | |||
218 | __set_bit(EV_REP, idev->evbit); | ||
219 | |||
220 | for (i = 0; i < ARRAY_SIZE(fujitsu.config.keymap); i++) | ||
221 | if (fujitsu.config.keymap[i]) | ||
222 | input_set_capability(idev, EV_KEY, fujitsu.config.keymap[i]); | ||
223 | |||
224 | input_set_capability(idev, EV_MSC, MSC_SCAN); | ||
225 | |||
226 | input_set_capability(idev, EV_SW, SW_DOCK); | ||
227 | input_set_capability(idev, EV_SW, SW_TABLET_MODE); | ||
228 | |||
229 | error = input_register_device(idev); | ||
230 | if (error) { | ||
231 | input_free_device(idev); | ||
232 | return error; | ||
233 | } | ||
234 | |||
235 | fujitsu.idev = idev; | ||
236 | return 0; | ||
237 | } | ||
238 | |||
239 | static void input_fujitsu_remove(void) | ||
240 | { | ||
241 | input_unregister_device(fujitsu.idev); | ||
242 | } | ||
243 | |||
244 | static irqreturn_t fujitsu_interrupt(int irq, void *dev_id) | ||
245 | { | ||
246 | unsigned long keymask, changed; | ||
247 | unsigned int keycode; | ||
248 | int pressed; | ||
249 | int i; | ||
250 | |||
251 | if (unlikely(!(fujitsu_status() & 0x01))) | ||
252 | return IRQ_NONE; | ||
253 | |||
254 | fujitsu_send_state(); | ||
255 | |||
256 | keymask = fujitsu_read_register(0xde); | ||
257 | keymask |= fujitsu_read_register(0xdf) << 8; | ||
258 | keymask ^= 0xffff; | ||
259 | |||
260 | changed = keymask ^ fujitsu.prev_keymask; | ||
261 | if (changed) { | ||
262 | fujitsu.prev_keymask = keymask; | ||
263 | |||
264 | for_each_set_bit(i, &changed, KEYMAP_LEN) { | ||
265 | keycode = fujitsu.config.keymap[i]; | ||
266 | pressed = keymask & changed & BIT(i); | ||
267 | |||
268 | if (pressed) | ||
269 | input_event(fujitsu.idev, EV_MSC, MSC_SCAN, i); | ||
270 | |||
271 | input_report_key(fujitsu.idev, keycode, pressed); | ||
272 | input_sync(fujitsu.idev); | ||
273 | } | ||
274 | } | ||
275 | |||
276 | fujitsu_ack(); | ||
277 | return IRQ_HANDLED; | ||
278 | } | ||
279 | |||
280 | static void fujitsu_dmi_common(const struct dmi_system_id *dmi) | ||
281 | { | ||
282 | pr_info("%s\n", dmi->ident); | ||
283 | memcpy(fujitsu.config.keymap, dmi->driver_data, | ||
284 | sizeof(fujitsu.config.keymap)); | ||
285 | } | ||
286 | |||
287 | static int fujitsu_dmi_lifebook(const struct dmi_system_id *dmi) | ||
288 | { | ||
289 | fujitsu_dmi_common(dmi); | ||
290 | fujitsu.config.quirks |= INVERT_TABLET_MODE_BIT; | ||
291 | return 1; | ||
292 | } | ||
293 | |||
294 | static int fujitsu_dmi_stylistic(const struct dmi_system_id *dmi) | ||
295 | { | ||
296 | fujitsu_dmi_common(dmi); | ||
297 | fujitsu.config.quirks |= FORCE_TABLET_MODE_IF_UNDOCK; | ||
298 | fujitsu.config.quirks |= INVERT_DOCK_STATE_BIT; | ||
299 | return 1; | ||
300 | } | ||
301 | |||
302 | static const struct dmi_system_id dmi_ids[] __initconst = { | ||
303 | { | ||
304 | .callback = fujitsu_dmi_lifebook, | ||
305 | .ident = "Fujitsu Siemens P/T Series", | ||
306 | .matches = { | ||
307 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | ||
308 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK") | ||
309 | }, | ||
310 | .driver_data = keymap_Lifebook_Tseries | ||
311 | }, | ||
312 | { | ||
313 | .callback = fujitsu_dmi_lifebook, | ||
314 | .ident = "Fujitsu Lifebook T Series", | ||
315 | .matches = { | ||
316 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | ||
317 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook T") | ||
318 | }, | ||
319 | .driver_data = keymap_Lifebook_Tseries | ||
320 | }, | ||
321 | { | ||
322 | .callback = fujitsu_dmi_stylistic, | ||
323 | .ident = "Fujitsu Siemens Stylistic T Series", | ||
324 | .matches = { | ||
325 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | ||
326 | DMI_MATCH(DMI_PRODUCT_NAME, "Stylistic T") | ||
327 | }, | ||
328 | .driver_data = keymap_Stylistic_Tseries | ||
329 | }, | ||
330 | { | ||
331 | .callback = fujitsu_dmi_lifebook, | ||
332 | .ident = "Fujitsu LifeBook U810", | ||
333 | .matches = { | ||
334 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | ||
335 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook U810") | ||
336 | }, | ||
337 | .driver_data = keymap_Lifebook_U810 | ||
338 | }, | ||
339 | { | ||
340 | .callback = fujitsu_dmi_stylistic, | ||
341 | .ident = "Fujitsu Siemens Stylistic ST5xxx Series", | ||
342 | .matches = { | ||
343 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | ||
344 | DMI_MATCH(DMI_PRODUCT_NAME, "STYLISTIC ST5") | ||
345 | }, | ||
346 | .driver_data = keymap_Stylistic_ST5xxx | ||
347 | }, | ||
348 | { | ||
349 | .callback = fujitsu_dmi_stylistic, | ||
350 | .ident = "Fujitsu Siemens Stylistic ST5xxx Series", | ||
351 | .matches = { | ||
352 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | ||
353 | DMI_MATCH(DMI_PRODUCT_NAME, "Stylistic ST5") | ||
354 | }, | ||
355 | .driver_data = keymap_Stylistic_ST5xxx | ||
356 | }, | ||
357 | { | ||
358 | .callback = fujitsu_dmi_lifebook, | ||
359 | .ident = "Unknown (using defaults)", | ||
360 | .matches = { | ||
361 | DMI_MATCH(DMI_SYS_VENDOR, ""), | ||
362 | DMI_MATCH(DMI_PRODUCT_NAME, "") | ||
363 | }, | ||
364 | .driver_data = keymap_Lifebook_Tseries | ||
365 | }, | ||
366 | { NULL } | ||
367 | }; | ||
368 | |||
369 | static acpi_status fujitsu_walk_resources(struct acpi_resource *res, void *data) | ||
370 | { | ||
371 | switch (res->type) { | ||
372 | case ACPI_RESOURCE_TYPE_IRQ: | ||
373 | fujitsu.irq = res->data.irq.interrupts[0]; | ||
374 | return AE_OK; | ||
375 | |||
376 | case ACPI_RESOURCE_TYPE_IO: | ||
377 | fujitsu.io_base = res->data.io.minimum; | ||
378 | fujitsu.io_length = res->data.io.address_length; | ||
379 | return AE_OK; | ||
380 | |||
381 | case ACPI_RESOURCE_TYPE_END_TAG: | ||
382 | if (fujitsu.irq && fujitsu.io_base) | ||
383 | return AE_OK; | ||
384 | else | ||
385 | return AE_NOT_FOUND; | ||
386 | |||
387 | default: | ||
388 | return AE_ERROR; | ||
389 | } | ||
390 | } | ||
391 | |||
392 | static int acpi_fujitsu_add(struct acpi_device *adev) | ||
393 | { | ||
394 | acpi_status status; | ||
395 | int error; | ||
396 | |||
397 | if (!adev) | ||
398 | return -EINVAL; | ||
399 | |||
400 | status = acpi_walk_resources(adev->handle, METHOD_NAME__CRS, | ||
401 | fujitsu_walk_resources, NULL); | ||
402 | if (ACPI_FAILURE(status) || !fujitsu.irq || !fujitsu.io_base) | ||
403 | return -ENODEV; | ||
404 | |||
405 | sprintf(acpi_device_name(adev), "Fujitsu %s", acpi_device_hid(adev)); | ||
406 | sprintf(acpi_device_class(adev), "%s", ACPI_FUJITSU_CLASS); | ||
407 | |||
408 | snprintf(fujitsu.phys, sizeof(fujitsu.phys), | ||
409 | "%s/input0", acpi_device_hid(adev)); | ||
410 | |||
411 | error = input_fujitsu_setup(&adev->dev, | ||
412 | acpi_device_name(adev), fujitsu.phys); | ||
413 | if (error) | ||
414 | return error; | ||
415 | |||
416 | if (!request_region(fujitsu.io_base, fujitsu.io_length, MODULENAME)) { | ||
417 | input_fujitsu_remove(); | ||
418 | return -EBUSY; | ||
419 | } | ||
420 | |||
421 | fujitsu_reset(); | ||
422 | |||
423 | error = request_irq(fujitsu.irq, fujitsu_interrupt, | ||
424 | IRQF_SHARED, MODULENAME, fujitsu_interrupt); | ||
425 | if (error) { | ||
426 | release_region(fujitsu.io_base, fujitsu.io_length); | ||
427 | input_fujitsu_remove(); | ||
428 | return error; | ||
429 | } | ||
430 | |||
431 | return 0; | ||
432 | } | ||
433 | |||
434 | static int acpi_fujitsu_remove(struct acpi_device *adev, int type) | ||
435 | { | ||
436 | free_irq(fujitsu.irq, fujitsu_interrupt); | ||
437 | release_region(fujitsu.io_base, fujitsu.io_length); | ||
438 | input_fujitsu_remove(); | ||
439 | return 0; | ||
440 | } | ||
441 | |||
442 | #ifdef CONFIG_PM_SLEEP | ||
443 | static int acpi_fujitsu_resume(struct device *dev) | ||
444 | { | ||
445 | fujitsu_reset(); | ||
446 | return 0; | ||
447 | } | ||
448 | #endif | ||
449 | |||
450 | static SIMPLE_DEV_PM_OPS(acpi_fujitsu_pm, NULL, acpi_fujitsu_resume); | ||
451 | |||
452 | static struct acpi_driver acpi_fujitsu_driver = { | ||
453 | .name = MODULENAME, | ||
454 | .class = "hotkey", | ||
455 | .ids = fujitsu_ids, | ||
456 | .ops = { | ||
457 | .add = acpi_fujitsu_add, | ||
458 | .remove = acpi_fujitsu_remove, | ||
459 | }, | ||
460 | .drv.pm = &acpi_fujitsu_pm, | ||
461 | }; | ||
462 | |||
463 | static int __init fujitsu_module_init(void) | ||
464 | { | ||
465 | int error; | ||
466 | |||
467 | dmi_check_system(dmi_ids); | ||
468 | |||
469 | error = acpi_bus_register_driver(&acpi_fujitsu_driver); | ||
470 | if (error) | ||
471 | return error; | ||
472 | |||
473 | return 0; | ||
474 | } | ||
475 | |||
476 | static void __exit fujitsu_module_exit(void) | ||
477 | { | ||
478 | acpi_bus_unregister_driver(&acpi_fujitsu_driver); | ||
479 | } | ||
480 | |||
481 | module_init(fujitsu_module_init); | ||
482 | module_exit(fujitsu_module_exit); | ||
483 | |||
484 | MODULE_AUTHOR("Robert Gerlach <khnz@gmx.de>"); | ||
485 | MODULE_DESCRIPTION("Fujitsu tablet pc extras driver"); | ||
486 | MODULE_LICENSE("GPL"); | ||
487 | MODULE_VERSION("2.5"); | ||
488 | |||
489 | MODULE_DEVICE_TABLE(acpi, fujitsu_ids); | ||