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Commit | Line | Data |
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d0482533 JW |
1 | /*-*-linux-c-*-*/ |
2 | ||
3 | /* | |
409a3e98 | 4 | Copyright (C) 2007,2008 Jonathan Woithe <jwoithe@just42.net> |
20b93734 | 5 | Copyright (C) 2008 Peter Gruber <nokos@gmx.net> |
3a407086 | 6 | Copyright (C) 2008 Tony Vroon <tony@linx.net> |
d0482533 JW |
7 | Based on earlier work: |
8 | Copyright (C) 2003 Shane Spencer <shane@bogomip.com> | |
9 | Adrian Yee <brewt-fujitsu@brewt.org> | |
10 | ||
20b93734 JW |
11 | Templated from msi-laptop.c and thinkpad_acpi.c which is copyright |
12 | by its respective authors. | |
d0482533 JW |
13 | |
14 | This program is free software; you can redistribute it and/or modify | |
15 | it under the terms of the GNU General Public License as published by | |
16 | the Free Software Foundation; either version 2 of the License, or | |
17 | (at your option) any later version. | |
18 | ||
19 | This program is distributed in the hope that it will be useful, but | |
20 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
22 | General Public License for more details. | |
23 | ||
24 | You should have received a copy of the GNU General Public License | |
25 | along with this program; if not, write to the Free Software | |
26 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
27 | 02110-1301, USA. | |
28 | */ | |
29 | ||
30 | /* | |
31 | * fujitsu-laptop.c - Fujitsu laptop support, providing access to additional | |
32 | * features made available on a range of Fujitsu laptops including the | |
33 | * P2xxx/P5xxx/S6xxx/S7xxx series. | |
34 | * | |
35 | * This driver exports a few files in /sys/devices/platform/fujitsu-laptop/; | |
36 | * others may be added at a later date. | |
37 | * | |
38 | * lcd_level - Screen brightness: contains a single integer in the | |
39 | * range 0..7. (rw) | |
40 | * | |
41 | * In addition to these platform device attributes the driver | |
42 | * registers itself in the Linux backlight control subsystem and is | |
43 | * available to userspace under /sys/class/backlight/fujitsu-laptop/. | |
44 | * | |
20b93734 JW |
45 | * Hotkeys present on certain Fujitsu laptops (eg: the S6xxx series) are |
46 | * also supported by this driver. | |
47 | * | |
0e6a66e9 JW |
48 | * This driver has been tested on a Fujitsu Lifebook S6410, S7020 and |
49 | * P8010. It should work on most P-series and S-series Lifebooks, but | |
50 | * YMMV. | |
20b93734 JW |
51 | * |
52 | * The module parameter use_alt_lcd_levels switches between different ACPI | |
53 | * brightness controls which are used by different Fujitsu laptops. In most | |
54 | * cases the correct method is automatically detected. "use_alt_lcd_levels=1" | |
55 | * is applicable for a Fujitsu Lifebook S6410 if autodetection fails. | |
56 | * | |
d0482533 JW |
57 | */ |
58 | ||
77bad7c8 JP |
59 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
60 | ||
d0482533 JW |
61 | #include <linux/module.h> |
62 | #include <linux/kernel.h> | |
63 | #include <linux/init.h> | |
64 | #include <linux/acpi.h> | |
65 | #include <linux/dmi.h> | |
66 | #include <linux/backlight.h> | |
e8549e2c | 67 | #include <linux/fb.h> |
20b93734 JW |
68 | #include <linux/input.h> |
69 | #include <linux/kfifo.h> | |
d0482533 | 70 | #include <linux/platform_device.h> |
5a0e3ad6 | 71 | #include <linux/slab.h> |
575b245d | 72 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
3a407086 TV |
73 | #include <linux/leds.h> |
74 | #endif | |
413226f7 | 75 | #include <acpi/video.h> |
d0482533 | 76 | |
84a6ce26 | 77 | #define FUJITSU_DRIVER_VERSION "0.6.0" |
d0482533 JW |
78 | |
79 | #define FUJITSU_LCD_N_LEVELS 8 | |
80 | ||
9fc5cf6e AJ |
81 | #define ACPI_FUJITSU_CLASS "fujitsu" |
82 | #define ACPI_FUJITSU_BL_HID "FUJ02B1" | |
83 | #define ACPI_FUJITSU_BL_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver" | |
84 | #define ACPI_FUJITSU_BL_DEVICE_NAME "Fujitsu FUJ02B1" | |
6942eabc AJ |
85 | #define ACPI_FUJITSU_LAPTOP_HID "FUJ02E3" |
86 | #define ACPI_FUJITSU_LAPTOP_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver" | |
87 | #define ACPI_FUJITSU_LAPTOP_DEVICE_NAME "Fujitsu FUJ02E3" | |
20b93734 JW |
88 | |
89 | #define ACPI_FUJITSU_NOTIFY_CODE1 0x80 | |
90 | ||
3a407086 | 91 | /* FUNC interface - command values */ |
8ef27bd3 | 92 | #define FUNC_FLAGS 0x1000 |
3a407086 TV |
93 | #define FUNC_LEDS 0x1001 |
94 | #define FUNC_BUTTONS 0x1002 | |
95 | #define FUNC_BACKLIGHT 0x1004 | |
96 | ||
97 | /* FUNC interface - responses */ | |
98 | #define UNSUPPORTED_CMD 0x80000000 | |
99 | ||
d3dd4480 AJ |
100 | /* FUNC interface - status flags */ |
101 | #define FLAG_RFKILL 0x020 | |
102 | #define FLAG_LID 0x100 | |
103 | #define FLAG_DOCK 0x200 | |
104 | ||
575b245d | 105 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
3a407086 TV |
106 | /* FUNC interface - LED control */ |
107 | #define FUNC_LED_OFF 0x1 | |
108 | #define FUNC_LED_ON 0x30001 | |
109 | #define KEYBOARD_LAMPS 0x100 | |
110 | #define LOGOLAMP_POWERON 0x2000 | |
111 | #define LOGOLAMP_ALWAYS 0x4000 | |
4f62568c | 112 | #define RADIO_LED_ON 0x20 |
d6b88f64 MG |
113 | #define ECO_LED 0x10000 |
114 | #define ECO_LED_ON 0x80000 | |
3a407086 TV |
115 | #endif |
116 | ||
20b93734 | 117 | /* Hotkey details */ |
0e6a66e9 JW |
118 | #define KEY1_CODE 0x410 /* codes for the keys in the GIRB register */ |
119 | #define KEY2_CODE 0x411 | |
120 | #define KEY3_CODE 0x412 | |
121 | #define KEY4_CODE 0x413 | |
b5df36cf | 122 | #define KEY5_CODE 0x420 |
20b93734 JW |
123 | |
124 | #define MAX_HOTKEY_RINGBUFFER_SIZE 100 | |
125 | #define RINGBUFFERSIZE 40 | |
126 | ||
127 | /* Debugging */ | |
20b93734 JW |
128 | #define FUJLAPTOP_DBG_ERROR 0x0001 |
129 | #define FUJLAPTOP_DBG_WARN 0x0002 | |
130 | #define FUJLAPTOP_DBG_INFO 0x0004 | |
131 | #define FUJLAPTOP_DBG_TRACE 0x0008 | |
132 | ||
c4960cf0 JD |
133 | #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG |
134 | #define vdbg_printk(a_dbg_level, format, arg...) \ | |
20b93734 | 135 | do { if (dbg_level & a_dbg_level) \ |
98020a4a | 136 | printk(KERN_DEBUG pr_fmt("%s: " format), __func__, ## arg); \ |
20b93734 | 137 | } while (0) |
20b93734 | 138 | #else |
c4960cf0 JD |
139 | #define vdbg_printk(a_dbg_level, format, arg...) \ |
140 | do { } while (0) | |
20b93734 JW |
141 | #endif |
142 | ||
143 | /* Device controlling the backlight and associated keys */ | |
9fc5cf6e | 144 | struct fujitsu_bl { |
d0482533 | 145 | acpi_handle acpi_handle; |
20b93734 JW |
146 | struct acpi_device *dev; |
147 | struct input_dev *input; | |
148 | char phys[32]; | |
d0482533 JW |
149 | struct backlight_device *bl_device; |
150 | struct platform_device *pf_device; | |
b5df36cf | 151 | int keycode1, keycode2, keycode3, keycode4, keycode5; |
d0482533 | 152 | |
20b93734 | 153 | unsigned int max_brightness; |
d0482533 JW |
154 | unsigned int brightness_changed; |
155 | unsigned int brightness_level; | |
156 | }; | |
157 | ||
9fc5cf6e | 158 | static struct fujitsu_bl *fujitsu_bl; |
20b93734 | 159 | static int use_alt_lcd_levels = -1; |
20b93734 JW |
160 | static int disable_brightness_adjust = -1; |
161 | ||
6942eabc AJ |
162 | /* Device used to access hotkeys and other features on the laptop */ |
163 | struct fujitsu_laptop { | |
20b93734 JW |
164 | acpi_handle acpi_handle; |
165 | struct acpi_device *dev; | |
166 | struct input_dev *input; | |
167 | char phys[32]; | |
168 | struct platform_device *pf_device; | |
45465487 | 169 | struct kfifo fifo; |
20b93734 | 170 | spinlock_t fifo_lock; |
8ef27bd3 AJ |
171 | int flags_supported; |
172 | int flags_state; | |
3a407086 TV |
173 | int logolamp_registered; |
174 | int kblamps_registered; | |
4f62568c | 175 | int radio_led_registered; |
d6b88f64 | 176 | int eco_led_registered; |
20b93734 | 177 | }; |
d0482533 | 178 | |
6942eabc | 179 | static struct fujitsu_laptop *fujitsu_laptop; |
20b93734 | 180 | |
575b245d | 181 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
3a407086 | 182 | static enum led_brightness logolamp_get(struct led_classdev *cdev); |
a608a9d5 | 183 | static int logolamp_set(struct led_classdev *cdev, |
3a407086 TV |
184 | enum led_brightness brightness); |
185 | ||
67af7111 | 186 | static struct led_classdev logolamp_led = { |
3a407086 TV |
187 | .name = "fujitsu::logolamp", |
188 | .brightness_get = logolamp_get, | |
a608a9d5 | 189 | .brightness_set_blocking = logolamp_set |
3a407086 TV |
190 | }; |
191 | ||
192 | static enum led_brightness kblamps_get(struct led_classdev *cdev); | |
a608a9d5 | 193 | static int kblamps_set(struct led_classdev *cdev, |
3a407086 TV |
194 | enum led_brightness brightness); |
195 | ||
67af7111 | 196 | static struct led_classdev kblamps_led = { |
3a407086 TV |
197 | .name = "fujitsu::kblamps", |
198 | .brightness_get = kblamps_get, | |
a608a9d5 | 199 | .brightness_set_blocking = kblamps_set |
3a407086 | 200 | }; |
4f62568c MK |
201 | |
202 | static enum led_brightness radio_led_get(struct led_classdev *cdev); | |
a608a9d5 | 203 | static int radio_led_set(struct led_classdev *cdev, |
4f62568c MK |
204 | enum led_brightness brightness); |
205 | ||
206 | static struct led_classdev radio_led = { | |
207 | .name = "fujitsu::radio_led", | |
5f25b005 | 208 | .default_trigger = "rfkill-any", |
4f62568c | 209 | .brightness_get = radio_led_get, |
a608a9d5 | 210 | .brightness_set_blocking = radio_led_set |
4f62568c | 211 | }; |
d6b88f64 MG |
212 | |
213 | static enum led_brightness eco_led_get(struct led_classdev *cdev); | |
a608a9d5 | 214 | static int eco_led_set(struct led_classdev *cdev, |
d6b88f64 MG |
215 | enum led_brightness brightness); |
216 | ||
217 | static struct led_classdev eco_led = { | |
218 | .name = "fujitsu::eco_led", | |
d6b88f64 | 219 | .brightness_get = eco_led_get, |
a608a9d5 | 220 | .brightness_set_blocking = eco_led_set |
d6b88f64 | 221 | }; |
3a407086 TV |
222 | #endif |
223 | ||
20b93734 JW |
224 | #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG |
225 | static u32 dbg_level = 0x03; | |
226 | #endif | |
227 | ||
3a407086 TV |
228 | /* Fujitsu ACPI interface function */ |
229 | ||
230 | static int call_fext_func(int cmd, int arg0, int arg1, int arg2) | |
231 | { | |
232 | acpi_status status = AE_OK; | |
233 | union acpi_object params[4] = { | |
234 | { .type = ACPI_TYPE_INTEGER }, | |
235 | { .type = ACPI_TYPE_INTEGER }, | |
236 | { .type = ACPI_TYPE_INTEGER }, | |
237 | { .type = ACPI_TYPE_INTEGER } | |
238 | }; | |
239 | struct acpi_object_list arg_list = { 4, ¶ms[0] }; | |
29c29a9b | 240 | unsigned long long value; |
3a407086 TV |
241 | acpi_handle handle = NULL; |
242 | ||
6942eabc | 243 | status = acpi_get_handle(fujitsu_laptop->acpi_handle, "FUNC", &handle); |
3a407086 TV |
244 | if (ACPI_FAILURE(status)) { |
245 | vdbg_printk(FUJLAPTOP_DBG_ERROR, | |
246 | "FUNC interface is not present\n"); | |
247 | return -ENODEV; | |
248 | } | |
249 | ||
250 | params[0].integer.value = cmd; | |
251 | params[1].integer.value = arg0; | |
252 | params[2].integer.value = arg1; | |
253 | params[3].integer.value = arg2; | |
254 | ||
29c29a9b | 255 | status = acpi_evaluate_integer(handle, NULL, &arg_list, &value); |
3a407086 TV |
256 | if (ACPI_FAILURE(status)) { |
257 | vdbg_printk(FUJLAPTOP_DBG_WARN, | |
258 | "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) call failed\n", | |
259 | cmd, arg0, arg1, arg2); | |
260 | return -ENODEV; | |
261 | } | |
262 | ||
3a407086 TV |
263 | vdbg_printk(FUJLAPTOP_DBG_TRACE, |
264 | "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) returned 0x%x\n", | |
29c29a9b ZR |
265 | cmd, arg0, arg1, arg2, (int)value); |
266 | return value; | |
3a407086 TV |
267 | } |
268 | ||
575b245d | 269 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
3a407086 TV |
270 | /* LED class callbacks */ |
271 | ||
a608a9d5 | 272 | static int logolamp_set(struct led_classdev *cdev, |
3a407086 TV |
273 | enum led_brightness brightness) |
274 | { | |
dcb50b35 MK |
275 | int poweron = FUNC_LED_ON, always = FUNC_LED_ON; |
276 | int ret; | |
277 | ||
278 | if (brightness < LED_HALF) | |
279 | poweron = FUNC_LED_OFF; | |
280 | ||
281 | if (brightness < LED_FULL) | |
282 | always = FUNC_LED_OFF; | |
283 | ||
284 | ret = call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, poweron); | |
285 | if (ret < 0) | |
286 | return ret; | |
287 | ||
288 | return call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, always); | |
3a407086 TV |
289 | } |
290 | ||
a608a9d5 | 291 | static int kblamps_set(struct led_classdev *cdev, |
3a407086 TV |
292 | enum led_brightness brightness) |
293 | { | |
294 | if (brightness >= LED_FULL) | |
a608a9d5 | 295 | return call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_ON); |
3a407086 | 296 | else |
a608a9d5 | 297 | return call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_OFF); |
3a407086 TV |
298 | } |
299 | ||
a608a9d5 | 300 | static int radio_led_set(struct led_classdev *cdev, |
4f62568c MK |
301 | enum led_brightness brightness) |
302 | { | |
303 | if (brightness >= LED_FULL) | |
8ef27bd3 | 304 | return call_fext_func(FUNC_FLAGS, 0x5, RADIO_LED_ON, RADIO_LED_ON); |
4f62568c | 305 | else |
8ef27bd3 | 306 | return call_fext_func(FUNC_FLAGS, 0x5, RADIO_LED_ON, 0x0); |
4f62568c MK |
307 | } |
308 | ||
a608a9d5 | 309 | static int eco_led_set(struct led_classdev *cdev, |
d6b88f64 MG |
310 | enum led_brightness brightness) |
311 | { | |
312 | int curr; | |
313 | ||
314 | curr = call_fext_func(FUNC_LEDS, 0x2, ECO_LED, 0x0); | |
69678934 | 315 | if (brightness >= LED_FULL) |
a608a9d5 | 316 | return call_fext_func(FUNC_LEDS, 0x1, ECO_LED, curr | ECO_LED_ON); |
d6b88f64 | 317 | else |
a608a9d5 | 318 | return call_fext_func(FUNC_LEDS, 0x1, ECO_LED, curr & ~ECO_LED_ON); |
d6b88f64 MG |
319 | } |
320 | ||
3a407086 TV |
321 | static enum led_brightness logolamp_get(struct led_classdev *cdev) |
322 | { | |
5c461e8e MK |
323 | int ret; |
324 | ||
325 | ret = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_ALWAYS, 0x0); | |
326 | if (ret == FUNC_LED_ON) | |
327 | return LED_FULL; | |
328 | ||
329 | ret = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_POWERON, 0x0); | |
330 | if (ret == FUNC_LED_ON) | |
331 | return LED_HALF; | |
332 | ||
333 | return LED_OFF; | |
3a407086 TV |
334 | } |
335 | ||
336 | static enum led_brightness kblamps_get(struct led_classdev *cdev) | |
337 | { | |
338 | enum led_brightness brightness = LED_OFF; | |
339 | ||
340 | if (call_fext_func(FUNC_LEDS, 0x2, KEYBOARD_LAMPS, 0x0) == FUNC_LED_ON) | |
341 | brightness = LED_FULL; | |
342 | ||
343 | return brightness; | |
344 | } | |
4f62568c MK |
345 | |
346 | static enum led_brightness radio_led_get(struct led_classdev *cdev) | |
347 | { | |
348 | enum led_brightness brightness = LED_OFF; | |
349 | ||
8ef27bd3 | 350 | if (call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0) & RADIO_LED_ON) |
4f62568c MK |
351 | brightness = LED_FULL; |
352 | ||
353 | return brightness; | |
354 | } | |
d6b88f64 MG |
355 | |
356 | static enum led_brightness eco_led_get(struct led_classdev *cdev) | |
357 | { | |
358 | enum led_brightness brightness = LED_OFF; | |
359 | ||
360 | if (call_fext_func(FUNC_LEDS, 0x2, ECO_LED, 0x0) & ECO_LED_ON) | |
69678934 | 361 | brightness = LED_FULL; |
d6b88f64 MG |
362 | |
363 | return brightness; | |
364 | } | |
3a407086 TV |
365 | #endif |
366 | ||
20b93734 | 367 | /* Hardware access for LCD brightness control */ |
d0482533 JW |
368 | |
369 | static int set_lcd_level(int level) | |
370 | { | |
371 | acpi_status status = AE_OK; | |
d0482533 JW |
372 | acpi_handle handle = NULL; |
373 | ||
20b93734 JW |
374 | vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n", |
375 | level); | |
376 | ||
9fc5cf6e | 377 | if (level < 0 || level >= fujitsu_bl->max_brightness) |
d0482533 JW |
378 | return -EINVAL; |
379 | ||
9fc5cf6e | 380 | status = acpi_get_handle(fujitsu_bl->acpi_handle, "SBLL", &handle); |
d0482533 | 381 | if (ACPI_FAILURE(status)) { |
20b93734 JW |
382 | vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n"); |
383 | return -ENODEV; | |
384 | } | |
385 | ||
20b93734 | 386 | |
6c7fe47a | 387 | status = acpi_execute_simple_method(handle, NULL, level); |
20b93734 JW |
388 | if (ACPI_FAILURE(status)) |
389 | return -ENODEV; | |
390 | ||
391 | return 0; | |
392 | } | |
393 | ||
394 | static int set_lcd_level_alt(int level) | |
395 | { | |
396 | acpi_status status = AE_OK; | |
20b93734 JW |
397 | acpi_handle handle = NULL; |
398 | ||
399 | vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n", | |
400 | level); | |
401 | ||
9fc5cf6e | 402 | if (level < 0 || level >= fujitsu_bl->max_brightness) |
20b93734 JW |
403 | return -EINVAL; |
404 | ||
9fc5cf6e | 405 | status = acpi_get_handle(fujitsu_bl->acpi_handle, "SBL2", &handle); |
20b93734 JW |
406 | if (ACPI_FAILURE(status)) { |
407 | vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n"); | |
d0482533 JW |
408 | return -ENODEV; |
409 | } | |
410 | ||
6c7fe47a | 411 | status = acpi_execute_simple_method(handle, NULL, level); |
d0482533 JW |
412 | if (ACPI_FAILURE(status)) |
413 | return -ENODEV; | |
414 | ||
415 | return 0; | |
416 | } | |
417 | ||
418 | static int get_lcd_level(void) | |
419 | { | |
27663c58 | 420 | unsigned long long state = 0; |
d0482533 JW |
421 | acpi_status status = AE_OK; |
422 | ||
20b93734 JW |
423 | vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n"); |
424 | ||
9fc5cf6e AJ |
425 | status = acpi_evaluate_integer(fujitsu_bl->acpi_handle, "GBLL", NULL, |
426 | &state); | |
3b1c37ca JW |
427 | if (ACPI_FAILURE(status)) |
428 | return 0; | |
d0482533 | 429 | |
9fc5cf6e | 430 | fujitsu_bl->brightness_level = state & 0x0fffffff; |
20b93734 JW |
431 | |
432 | if (state & 0x80000000) | |
9fc5cf6e | 433 | fujitsu_bl->brightness_changed = 1; |
20b93734 | 434 | else |
9fc5cf6e | 435 | fujitsu_bl->brightness_changed = 0; |
20b93734 | 436 | |
9fc5cf6e | 437 | return fujitsu_bl->brightness_level; |
20b93734 JW |
438 | } |
439 | ||
440 | static int get_max_brightness(void) | |
441 | { | |
27663c58 | 442 | unsigned long long state = 0; |
20b93734 JW |
443 | acpi_status status = AE_OK; |
444 | ||
445 | vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n"); | |
446 | ||
9fc5cf6e AJ |
447 | status = acpi_evaluate_integer(fujitsu_bl->acpi_handle, "RBLL", NULL, |
448 | &state); | |
3b1c37ca JW |
449 | if (ACPI_FAILURE(status)) |
450 | return -1; | |
20b93734 | 451 | |
9fc5cf6e | 452 | fujitsu_bl->max_brightness = state; |
20b93734 | 453 | |
9fc5cf6e | 454 | return fujitsu_bl->max_brightness; |
20b93734 JW |
455 | } |
456 | ||
d0482533 JW |
457 | /* Backlight device stuff */ |
458 | ||
459 | static int bl_get_brightness(struct backlight_device *b) | |
460 | { | |
f87a1a5f | 461 | return get_lcd_level(); |
d0482533 JW |
462 | } |
463 | ||
464 | static int bl_update_status(struct backlight_device *b) | |
465 | { | |
3a407086 | 466 | int ret; |
e8549e2c | 467 | if (b->props.power == FB_BLANK_POWERDOWN) |
3a407086 TV |
468 | ret = call_fext_func(FUNC_BACKLIGHT, 0x1, 0x4, 0x3); |
469 | else | |
470 | ret = call_fext_func(FUNC_BACKLIGHT, 0x1, 0x4, 0x0); | |
471 | if (ret != 0) | |
472 | vdbg_printk(FUJLAPTOP_DBG_ERROR, | |
473 | "Unable to adjust backlight power, error code %i\n", | |
474 | ret); | |
475 | ||
20b93734 | 476 | if (use_alt_lcd_levels) |
3a407086 | 477 | ret = set_lcd_level_alt(b->props.brightness); |
20b93734 | 478 | else |
3a407086 TV |
479 | ret = set_lcd_level(b->props.brightness); |
480 | if (ret != 0) | |
481 | vdbg_printk(FUJLAPTOP_DBG_ERROR, | |
482 | "Unable to adjust LCD brightness, error code %i\n", | |
483 | ret); | |
484 | return ret; | |
d0482533 JW |
485 | } |
486 | ||
9fc5cf6e | 487 | static const struct backlight_ops fujitsu_bl_ops = { |
d0482533 JW |
488 | .get_brightness = bl_get_brightness, |
489 | .update_status = bl_update_status, | |
490 | }; | |
491 | ||
20b93734 JW |
492 | /* Platform LCD brightness device */ |
493 | ||
494 | static ssize_t | |
495 | show_max_brightness(struct device *dev, | |
496 | struct device_attribute *attr, char *buf) | |
497 | { | |
498 | ||
499 | int ret; | |
500 | ||
501 | ret = get_max_brightness(); | |
502 | if (ret < 0) | |
503 | return ret; | |
504 | ||
505 | return sprintf(buf, "%i\n", ret); | |
506 | } | |
507 | ||
508 | static ssize_t | |
509 | show_brightness_changed(struct device *dev, | |
510 | struct device_attribute *attr, char *buf) | |
511 | { | |
512 | ||
513 | int ret; | |
514 | ||
9fc5cf6e | 515 | ret = fujitsu_bl->brightness_changed; |
20b93734 JW |
516 | if (ret < 0) |
517 | return ret; | |
518 | ||
519 | return sprintf(buf, "%i\n", ret); | |
520 | } | |
d0482533 JW |
521 | |
522 | static ssize_t show_lcd_level(struct device *dev, | |
523 | struct device_attribute *attr, char *buf) | |
524 | { | |
525 | ||
526 | int ret; | |
527 | ||
f87a1a5f | 528 | ret = get_lcd_level(); |
d0482533 JW |
529 | if (ret < 0) |
530 | return ret; | |
531 | ||
532 | return sprintf(buf, "%i\n", ret); | |
533 | } | |
534 | ||
535 | static ssize_t store_lcd_level(struct device *dev, | |
536 | struct device_attribute *attr, const char *buf, | |
537 | size_t count) | |
538 | { | |
539 | ||
540 | int level, ret; | |
541 | ||
542 | if (sscanf(buf, "%i", &level) != 1 | |
9fc5cf6e | 543 | || (level < 0 || level >= fujitsu_bl->max_brightness)) |
d0482533 JW |
544 | return -EINVAL; |
545 | ||
20b93734 JW |
546 | if (use_alt_lcd_levels) |
547 | ret = set_lcd_level_alt(level); | |
548 | else | |
549 | ret = set_lcd_level(level); | |
550 | if (ret < 0) | |
551 | return ret; | |
552 | ||
f87a1a5f | 553 | ret = get_lcd_level(); |
d0482533 JW |
554 | if (ret < 0) |
555 | return ret; | |
556 | ||
557 | return count; | |
558 | } | |
559 | ||
3a407086 TV |
560 | static ssize_t |
561 | ignore_store(struct device *dev, | |
562 | struct device_attribute *attr, const char *buf, size_t count) | |
20b93734 | 563 | { |
3a407086 TV |
564 | return count; |
565 | } | |
20b93734 | 566 | |
3a407086 TV |
567 | static ssize_t |
568 | show_lid_state(struct device *dev, | |
569 | struct device_attribute *attr, char *buf) | |
570 | { | |
d3dd4480 | 571 | if (!(fujitsu_laptop->flags_supported & FLAG_LID)) |
3a407086 | 572 | return sprintf(buf, "unknown\n"); |
d3dd4480 | 573 | if (fujitsu_laptop->flags_state & FLAG_LID) |
3a407086 TV |
574 | return sprintf(buf, "open\n"); |
575 | else | |
576 | return sprintf(buf, "closed\n"); | |
577 | } | |
20b93734 | 578 | |
3a407086 TV |
579 | static ssize_t |
580 | show_dock_state(struct device *dev, | |
581 | struct device_attribute *attr, char *buf) | |
582 | { | |
d3dd4480 | 583 | if (!(fujitsu_laptop->flags_supported & FLAG_DOCK)) |
3a407086 | 584 | return sprintf(buf, "unknown\n"); |
d3dd4480 | 585 | if (fujitsu_laptop->flags_state & FLAG_DOCK) |
3a407086 TV |
586 | return sprintf(buf, "docked\n"); |
587 | else | |
588 | return sprintf(buf, "undocked\n"); | |
20b93734 JW |
589 | } |
590 | ||
591 | static ssize_t | |
3a407086 TV |
592 | show_radios_state(struct device *dev, |
593 | struct device_attribute *attr, char *buf) | |
20b93734 | 594 | { |
d3dd4480 | 595 | if (!(fujitsu_laptop->flags_supported & FLAG_RFKILL)) |
3a407086 | 596 | return sprintf(buf, "unknown\n"); |
d3dd4480 | 597 | if (fujitsu_laptop->flags_state & FLAG_RFKILL) |
3a407086 TV |
598 | return sprintf(buf, "on\n"); |
599 | else | |
600 | return sprintf(buf, "killed\n"); | |
20b93734 JW |
601 | } |
602 | ||
603 | static DEVICE_ATTR(max_brightness, 0444, show_max_brightness, ignore_store); | |
604 | static DEVICE_ATTR(brightness_changed, 0444, show_brightness_changed, | |
605 | ignore_store); | |
d0482533 | 606 | static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level); |
3a407086 TV |
607 | static DEVICE_ATTR(lid, 0444, show_lid_state, ignore_store); |
608 | static DEVICE_ATTR(dock, 0444, show_dock_state, ignore_store); | |
609 | static DEVICE_ATTR(radios, 0444, show_radios_state, ignore_store); | |
d0482533 | 610 | |
16506026 | 611 | static struct attribute *fujitsu_pf_attributes[] = { |
20b93734 JW |
612 | &dev_attr_brightness_changed.attr, |
613 | &dev_attr_max_brightness.attr, | |
d0482533 | 614 | &dev_attr_lcd_level.attr, |
3a407086 TV |
615 | &dev_attr_lid.attr, |
616 | &dev_attr_dock.attr, | |
617 | &dev_attr_radios.attr, | |
d0482533 JW |
618 | NULL |
619 | }; | |
620 | ||
16506026 AJ |
621 | static struct attribute_group fujitsu_pf_attribute_group = { |
622 | .attrs = fujitsu_pf_attributes | |
d0482533 JW |
623 | }; |
624 | ||
16506026 | 625 | static struct platform_driver fujitsu_pf_driver = { |
d0482533 JW |
626 | .driver = { |
627 | .name = "fujitsu-laptop", | |
d0482533 JW |
628 | } |
629 | }; | |
630 | ||
fbe9b79f | 631 | static void __init dmi_check_cb_common(const struct dmi_system_id *id) |
20b93734 | 632 | { |
77bad7c8 | 633 | pr_info("Identified laptop model '%s'\n", id->ident); |
0e6a66e9 JW |
634 | } |
635 | ||
fbe9b79f | 636 | static int __init dmi_check_cb_s6410(const struct dmi_system_id *id) |
0e6a66e9 JW |
637 | { |
638 | dmi_check_cb_common(id); | |
9fc5cf6e AJ |
639 | fujitsu_bl->keycode1 = KEY_SCREENLOCK; /* "Lock" */ |
640 | fujitsu_bl->keycode2 = KEY_HELP; /* "Mobility Center" */ | |
80183a4b | 641 | return 1; |
0e6a66e9 JW |
642 | } |
643 | ||
fbe9b79f | 644 | static int __init dmi_check_cb_s6420(const struct dmi_system_id *id) |
56960b54 TV |
645 | { |
646 | dmi_check_cb_common(id); | |
9fc5cf6e AJ |
647 | fujitsu_bl->keycode1 = KEY_SCREENLOCK; /* "Lock" */ |
648 | fujitsu_bl->keycode2 = KEY_HELP; /* "Mobility Center" */ | |
80183a4b | 649 | return 1; |
56960b54 TV |
650 | } |
651 | ||
fbe9b79f | 652 | static int __init dmi_check_cb_p8010(const struct dmi_system_id *id) |
0e6a66e9 JW |
653 | { |
654 | dmi_check_cb_common(id); | |
9fc5cf6e AJ |
655 | fujitsu_bl->keycode1 = KEY_HELP; /* "Support" */ |
656 | fujitsu_bl->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */ | |
657 | fujitsu_bl->keycode4 = KEY_WWW; /* "Internet" */ | |
80183a4b | 658 | return 1; |
20b93734 JW |
659 | } |
660 | ||
fbe9b79f | 661 | static const struct dmi_system_id fujitsu_dmi_table[] __initconst = { |
20b93734 | 662 | { |
0e6a66e9 | 663 | .ident = "Fujitsu Siemens S6410", |
20b93734 JW |
664 | .matches = { |
665 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
666 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"), | |
667 | }, | |
668 | .callback = dmi_check_cb_s6410}, | |
56960b54 TV |
669 | { |
670 | .ident = "Fujitsu Siemens S6420", | |
671 | .matches = { | |
672 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
673 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"), | |
674 | }, | |
675 | .callback = dmi_check_cb_s6420}, | |
d8196a93 | 676 | { |
0e6a66e9 | 677 | .ident = "Fujitsu LifeBook P8010", |
d8196a93 JW |
678 | .matches = { |
679 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
680 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P8010"), | |
0e6a66e9 JW |
681 | }, |
682 | .callback = dmi_check_cb_p8010}, | |
20b93734 JW |
683 | {} |
684 | }; | |
685 | ||
686 | /* ACPI device for LCD brightness control */ | |
d0482533 | 687 | |
b8d69c16 MK |
688 | static int fujitsu_backlight_register(void) |
689 | { | |
690 | struct backlight_properties props = { | |
691 | .brightness = fujitsu_bl->brightness_level, | |
692 | .max_brightness = fujitsu_bl->max_brightness - 1, | |
693 | .type = BACKLIGHT_PLATFORM | |
694 | }; | |
695 | struct backlight_device *bd; | |
696 | ||
697 | bd = backlight_device_register("fujitsu-laptop", NULL, NULL, | |
698 | &fujitsu_bl_ops, &props); | |
699 | if (IS_ERR(bd)) | |
700 | return PTR_ERR(bd); | |
701 | ||
702 | fujitsu_bl->bl_device = bd; | |
703 | ||
704 | return 0; | |
705 | } | |
706 | ||
9fc5cf6e | 707 | static int acpi_fujitsu_bl_add(struct acpi_device *device) |
d0482533 | 708 | { |
d0482533 | 709 | int state = 0; |
20b93734 JW |
710 | struct input_dev *input; |
711 | int error; | |
d0482533 JW |
712 | |
713 | if (!device) | |
714 | return -EINVAL; | |
715 | ||
9fc5cf6e AJ |
716 | fujitsu_bl->acpi_handle = device->handle; |
717 | sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_BL_DEVICE_NAME); | |
d0482533 | 718 | sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); |
9fc5cf6e | 719 | device->driver_data = fujitsu_bl; |
d0482533 | 720 | |
9fc5cf6e | 721 | fujitsu_bl->input = input = input_allocate_device(); |
20b93734 JW |
722 | if (!input) { |
723 | error = -ENOMEM; | |
700b6721 | 724 | goto err_stop; |
20b93734 JW |
725 | } |
726 | ||
9fc5cf6e | 727 | snprintf(fujitsu_bl->phys, sizeof(fujitsu_bl->phys), |
20b93734 JW |
728 | "%s/video/input0", acpi_device_hid(device)); |
729 | ||
730 | input->name = acpi_device_name(device); | |
9fc5cf6e | 731 | input->phys = fujitsu_bl->phys; |
20b93734 JW |
732 | input->id.bustype = BUS_HOST; |
733 | input->id.product = 0x06; | |
734 | input->dev.parent = &device->dev; | |
735 | input->evbit[0] = BIT(EV_KEY); | |
736 | set_bit(KEY_BRIGHTNESSUP, input->keybit); | |
737 | set_bit(KEY_BRIGHTNESSDOWN, input->keybit); | |
738 | set_bit(KEY_UNKNOWN, input->keybit); | |
739 | ||
740 | error = input_register_device(input); | |
741 | if (error) | |
742 | goto err_free_input_dev; | |
743 | ||
9fc5cf6e | 744 | error = acpi_bus_update_power(fujitsu_bl->acpi_handle, &state); |
b30bb89f | 745 | if (error) { |
77bad7c8 | 746 | pr_err("Error reading power state\n"); |
72afeeaf | 747 | goto err_unregister_input_dev; |
d0482533 JW |
748 | } |
749 | ||
77bad7c8 | 750 | pr_info("ACPI: %s [%s] (%s)\n", |
d0482533 JW |
751 | acpi_device_name(device), acpi_device_bid(device), |
752 | !device->power.state ? "on" : "off"); | |
753 | ||
9fc5cf6e | 754 | fujitsu_bl->dev = device; |
20b93734 | 755 | |
dd13b9a6 | 756 | if (acpi_has_method(device->handle, METHOD_NAME__INI)) { |
20b93734 JW |
757 | vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); |
758 | if (ACPI_FAILURE | |
759 | (acpi_evaluate_object | |
760 | (device->handle, METHOD_NAME__INI, NULL, NULL))) | |
77bad7c8 | 761 | pr_err("_INI Method failed\n"); |
20b93734 JW |
762 | } |
763 | ||
5296a736 AJ |
764 | if (use_alt_lcd_levels == -1) { |
765 | if (acpi_has_method(NULL, "\\_SB.PCI0.LPCB.FJEX.SBL2")) | |
766 | use_alt_lcd_levels = 1; | |
767 | else | |
768 | use_alt_lcd_levels = 0; | |
769 | vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as %i\n", | |
770 | use_alt_lcd_levels); | |
771 | } | |
772 | ||
20b93734 | 773 | /* do config (detect defaults) */ |
20b93734 | 774 | use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0; |
20b93734 JW |
775 | disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0; |
776 | vdbg_printk(FUJLAPTOP_DBG_INFO, | |
f87a1a5f TV |
777 | "config: [alt interface: %d], [adjust disable: %d]\n", |
778 | use_alt_lcd_levels, disable_brightness_adjust); | |
20b93734 JW |
779 | |
780 | if (get_max_brightness() <= 0) | |
9fc5cf6e | 781 | fujitsu_bl->max_brightness = FUJITSU_LCD_N_LEVELS; |
f87a1a5f | 782 | get_lcd_level(); |
20b93734 | 783 | |
b30bb89f | 784 | return 0; |
20b93734 | 785 | |
72afeeaf BZ |
786 | err_unregister_input_dev: |
787 | input_unregister_device(input); | |
8e4e2efd | 788 | input = NULL; |
20b93734 JW |
789 | err_free_input_dev: |
790 | input_free_device(input); | |
20b93734 | 791 | err_stop: |
b30bb89f | 792 | return error; |
d0482533 JW |
793 | } |
794 | ||
9fc5cf6e | 795 | static int acpi_fujitsu_bl_remove(struct acpi_device *device) |
d0482533 | 796 | { |
9fc5cf6e AJ |
797 | struct fujitsu_bl *fujitsu_bl = acpi_driver_data(device); |
798 | struct input_dev *input = fujitsu_bl->input; | |
d0482533 | 799 | |
72afeeaf | 800 | input_unregister_device(input); |
20b93734 | 801 | |
9fc5cf6e | 802 | fujitsu_bl->acpi_handle = NULL; |
d0482533 JW |
803 | |
804 | return 0; | |
805 | } | |
806 | ||
20b93734 JW |
807 | /* Brightness notify */ |
808 | ||
9fc5cf6e | 809 | static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event) |
20b93734 JW |
810 | { |
811 | struct input_dev *input; | |
d2aa3ae8 | 812 | int oldb, newb, keycode; |
20b93734 | 813 | |
9fc5cf6e | 814 | input = fujitsu_bl->input; |
20b93734 | 815 | |
5efc8004 | 816 | if (event != ACPI_FUJITSU_NOTIFY_CODE1) { |
20b93734 JW |
817 | keycode = KEY_UNKNOWN; |
818 | vdbg_printk(FUJLAPTOP_DBG_WARN, | |
819 | "unsupported event [0x%x]\n", event); | |
5efc8004 MK |
820 | input_report_key(input, keycode, 1); |
821 | input_sync(input); | |
822 | input_report_key(input, keycode, 0); | |
823 | input_sync(input); | |
824 | return; | |
825 | } | |
826 | ||
5efc8004 MK |
827 | oldb = fujitsu_bl->brightness_level; |
828 | get_lcd_level(); | |
829 | newb = fujitsu_bl->brightness_level; | |
830 | ||
831 | vdbg_printk(FUJLAPTOP_DBG_TRACE, | |
832 | "brightness button event [%i -> %i (%i)]\n", | |
833 | oldb, newb, fujitsu_bl->brightness_changed); | |
834 | ||
d2aa3ae8 MK |
835 | if (oldb == newb) |
836 | return; | |
20b93734 | 837 | |
d2aa3ae8 MK |
838 | if (disable_brightness_adjust != 1) { |
839 | if (use_alt_lcd_levels) | |
840 | set_lcd_level_alt(newb); | |
841 | else | |
842 | set_lcd_level(newb); | |
20b93734 | 843 | } |
d2aa3ae8 MK |
844 | |
845 | keycode = oldb < newb ? KEY_BRIGHTNESSUP : KEY_BRIGHTNESSDOWN; | |
846 | ||
847 | input_report_key(input, keycode, 1); | |
848 | input_sync(input); | |
849 | input_report_key(input, keycode, 0); | |
850 | input_sync(input); | |
20b93734 JW |
851 | } |
852 | ||
853 | /* ACPI device for hotkey handling */ | |
854 | ||
6942eabc | 855 | static int acpi_fujitsu_laptop_add(struct acpi_device *device) |
20b93734 | 856 | { |
20b93734 JW |
857 | int result = 0; |
858 | int state = 0; | |
859 | struct input_dev *input; | |
860 | int error; | |
861 | int i; | |
862 | ||
863 | if (!device) | |
864 | return -EINVAL; | |
865 | ||
6942eabc | 866 | fujitsu_laptop->acpi_handle = device->handle; |
20b93734 | 867 | sprintf(acpi_device_name(device), "%s", |
6942eabc | 868 | ACPI_FUJITSU_LAPTOP_DEVICE_NAME); |
20b93734 | 869 | sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); |
6942eabc | 870 | device->driver_data = fujitsu_laptop; |
20b93734 | 871 | |
20b93734 | 872 | /* kfifo */ |
6942eabc AJ |
873 | spin_lock_init(&fujitsu_laptop->fifo_lock); |
874 | error = kfifo_alloc(&fujitsu_laptop->fifo, RINGBUFFERSIZE * sizeof(int), | |
c1e13f25 | 875 | GFP_KERNEL); |
45465487 | 876 | if (error) { |
77bad7c8 | 877 | pr_err("kfifo_alloc failed\n"); |
20b93734 JW |
878 | goto err_stop; |
879 | } | |
880 | ||
6942eabc | 881 | fujitsu_laptop->input = input = input_allocate_device(); |
20b93734 JW |
882 | if (!input) { |
883 | error = -ENOMEM; | |
b4ec0275 | 884 | goto err_free_fifo; |
20b93734 JW |
885 | } |
886 | ||
6942eabc | 887 | snprintf(fujitsu_laptop->phys, sizeof(fujitsu_laptop->phys), |
20b93734 JW |
888 | "%s/video/input0", acpi_device_hid(device)); |
889 | ||
890 | input->name = acpi_device_name(device); | |
6942eabc | 891 | input->phys = fujitsu_laptop->phys; |
20b93734 JW |
892 | input->id.bustype = BUS_HOST; |
893 | input->id.product = 0x06; | |
894 | input->dev.parent = &device->dev; | |
3a407086 TV |
895 | |
896 | set_bit(EV_KEY, input->evbit); | |
9fc5cf6e AJ |
897 | set_bit(fujitsu_bl->keycode1, input->keybit); |
898 | set_bit(fujitsu_bl->keycode2, input->keybit); | |
899 | set_bit(fujitsu_bl->keycode3, input->keybit); | |
900 | set_bit(fujitsu_bl->keycode4, input->keybit); | |
901 | set_bit(fujitsu_bl->keycode5, input->keybit); | |
1879e69f | 902 | set_bit(KEY_TOUCHPAD_TOGGLE, input->keybit); |
20b93734 JW |
903 | set_bit(KEY_UNKNOWN, input->keybit); |
904 | ||
905 | error = input_register_device(input); | |
906 | if (error) | |
907 | goto err_free_input_dev; | |
908 | ||
6942eabc | 909 | error = acpi_bus_update_power(fujitsu_laptop->acpi_handle, &state); |
b30bb89f | 910 | if (error) { |
77bad7c8 | 911 | pr_err("Error reading power state\n"); |
72afeeaf | 912 | goto err_unregister_input_dev; |
20b93734 JW |
913 | } |
914 | ||
77bad7c8 JP |
915 | pr_info("ACPI: %s [%s] (%s)\n", |
916 | acpi_device_name(device), acpi_device_bid(device), | |
917 | !device->power.state ? "on" : "off"); | |
20b93734 | 918 | |
6942eabc | 919 | fujitsu_laptop->dev = device; |
20b93734 | 920 | |
dd13b9a6 | 921 | if (acpi_has_method(device->handle, METHOD_NAME__INI)) { |
20b93734 JW |
922 | vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); |
923 | if (ACPI_FAILURE | |
924 | (acpi_evaluate_object | |
925 | (device->handle, METHOD_NAME__INI, NULL, NULL))) | |
77bad7c8 | 926 | pr_err("_INI Method failed\n"); |
20b93734 JW |
927 | } |
928 | ||
3a407086 TV |
929 | i = 0; |
930 | while (call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0) != 0 | |
931 | && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) | |
932 | ; /* No action, result is discarded */ | |
20b93734 JW |
933 | vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i); |
934 | ||
8ef27bd3 AJ |
935 | fujitsu_laptop->flags_supported = |
936 | call_fext_func(FUNC_FLAGS, 0x0, 0x0, 0x0); | |
4898c2b2 TV |
937 | |
938 | /* Make sure our bitmask of supported functions is cleared if the | |
939 | RFKILL function block is not implemented, like on the S7020. */ | |
8ef27bd3 AJ |
940 | if (fujitsu_laptop->flags_supported == UNSUPPORTED_CMD) |
941 | fujitsu_laptop->flags_supported = 0; | |
4898c2b2 | 942 | |
8ef27bd3 AJ |
943 | if (fujitsu_laptop->flags_supported) |
944 | fujitsu_laptop->flags_state = | |
945 | call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0); | |
3a407086 TV |
946 | |
947 | /* Suspect this is a keymap of the application panel, print it */ | |
77bad7c8 | 948 | pr_info("BTNI: [0x%x]\n", call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0)); |
3a407086 | 949 | |
575b245d | 950 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
3a407086 | 951 | if (call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & LOGOLAMP_POWERON) { |
9fc5cf6e | 952 | result = led_classdev_register(&fujitsu_bl->pf_device->dev, |
3a407086 TV |
953 | &logolamp_led); |
954 | if (result == 0) { | |
6942eabc | 955 | fujitsu_laptop->logolamp_registered = 1; |
3a407086 | 956 | } else { |
77bad7c8 JP |
957 | pr_err("Could not register LED handler for logo lamp, error %i\n", |
958 | result); | |
3a407086 TV |
959 | } |
960 | } | |
961 | ||
962 | if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & KEYBOARD_LAMPS) && | |
963 | (call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) == 0x0)) { | |
9fc5cf6e | 964 | result = led_classdev_register(&fujitsu_bl->pf_device->dev, |
3a407086 TV |
965 | &kblamps_led); |
966 | if (result == 0) { | |
6942eabc | 967 | fujitsu_laptop->kblamps_registered = 1; |
3a407086 | 968 | } else { |
77bad7c8 JP |
969 | pr_err("Could not register LED handler for keyboard lamps, error %i\n", |
970 | result); | |
3a407086 TV |
971 | } |
972 | } | |
4f62568c MK |
973 | |
974 | /* | |
975 | * BTNI bit 24 seems to indicate the presence of a radio toggle | |
976 | * button in place of a slide switch, and all such machines appear | |
977 | * to also have an RF LED. Therefore use bit 24 as an indicator | |
978 | * that an RF LED is present. | |
979 | */ | |
980 | if (call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) & BIT(24)) { | |
9fc5cf6e | 981 | result = led_classdev_register(&fujitsu_bl->pf_device->dev, |
4f62568c MK |
982 | &radio_led); |
983 | if (result == 0) { | |
6942eabc | 984 | fujitsu_laptop->radio_led_registered = 1; |
4f62568c MK |
985 | } else { |
986 | pr_err("Could not register LED handler for radio LED, error %i\n", | |
987 | result); | |
988 | } | |
989 | } | |
d6b88f64 MG |
990 | |
991 | /* Support for eco led is not always signaled in bit corresponding | |
992 | * to the bit used to control the led. According to the DSDT table, | |
993 | * bit 14 seems to indicate presence of said led as well. | |
994 | * Confirm by testing the status. | |
995 | */ | |
996 | if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & BIT(14)) && | |
997 | (call_fext_func(FUNC_LEDS, 0x2, ECO_LED, 0x0) != UNSUPPORTED_CMD)) { | |
9fc5cf6e | 998 | result = led_classdev_register(&fujitsu_bl->pf_device->dev, |
d6b88f64 MG |
999 | &eco_led); |
1000 | if (result == 0) { | |
6942eabc | 1001 | fujitsu_laptop->eco_led_registered = 1; |
d6b88f64 MG |
1002 | } else { |
1003 | pr_err("Could not register LED handler for eco LED, error %i\n", | |
1004 | result); | |
1005 | } | |
1006 | } | |
72afeeaf | 1007 | #endif |
3a407086 | 1008 | |
20b93734 JW |
1009 | return result; |
1010 | ||
72afeeaf BZ |
1011 | err_unregister_input_dev: |
1012 | input_unregister_device(input); | |
8e4e2efd | 1013 | input = NULL; |
20b93734 JW |
1014 | err_free_input_dev: |
1015 | input_free_device(input); | |
b4ec0275 | 1016 | err_free_fifo: |
6942eabc | 1017 | kfifo_free(&fujitsu_laptop->fifo); |
20b93734 | 1018 | err_stop: |
b30bb89f | 1019 | return error; |
20b93734 JW |
1020 | } |
1021 | ||
6942eabc | 1022 | static int acpi_fujitsu_laptop_remove(struct acpi_device *device) |
20b93734 | 1023 | { |
6942eabc AJ |
1024 | struct fujitsu_laptop *fujitsu_laptop = acpi_driver_data(device); |
1025 | struct input_dev *input = fujitsu_laptop->input; | |
20b93734 | 1026 | |
575b245d | 1027 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
6942eabc | 1028 | if (fujitsu_laptop->logolamp_registered) |
72afeeaf | 1029 | led_classdev_unregister(&logolamp_led); |
20b93734 | 1030 | |
6942eabc | 1031 | if (fujitsu_laptop->kblamps_registered) |
72afeeaf | 1032 | led_classdev_unregister(&kblamps_led); |
4f62568c | 1033 | |
6942eabc | 1034 | if (fujitsu_laptop->radio_led_registered) |
4f62568c | 1035 | led_classdev_unregister(&radio_led); |
d6b88f64 | 1036 | |
6942eabc | 1037 | if (fujitsu_laptop->eco_led_registered) |
d6b88f64 | 1038 | led_classdev_unregister(&eco_led); |
72afeeaf | 1039 | #endif |
20b93734 | 1040 | |
72afeeaf | 1041 | input_unregister_device(input); |
20b93734 | 1042 | |
6942eabc | 1043 | kfifo_free(&fujitsu_laptop->fifo); |
20b93734 | 1044 | |
6942eabc | 1045 | fujitsu_laptop->acpi_handle = NULL; |
72afeeaf | 1046 | |
20b93734 JW |
1047 | return 0; |
1048 | } | |
1049 | ||
6942eabc | 1050 | static void acpi_fujitsu_laptop_press(int keycode) |
2451d19d | 1051 | { |
6942eabc | 1052 | struct input_dev *input = fujitsu_laptop->input; |
2451d19d MK |
1053 | int status; |
1054 | ||
6942eabc | 1055 | status = kfifo_in_locked(&fujitsu_laptop->fifo, |
2451d19d | 1056 | (unsigned char *)&keycode, sizeof(keycode), |
6942eabc | 1057 | &fujitsu_laptop->fifo_lock); |
2451d19d MK |
1058 | if (status != sizeof(keycode)) { |
1059 | vdbg_printk(FUJLAPTOP_DBG_WARN, | |
1060 | "Could not push keycode [0x%x]\n", keycode); | |
a28c7e93 | 1061 | return; |
2451d19d | 1062 | } |
a28c7e93 MK |
1063 | input_report_key(input, keycode, 1); |
1064 | input_sync(input); | |
1065 | vdbg_printk(FUJLAPTOP_DBG_TRACE, | |
1066 | "Push keycode into ringbuffer [%d]\n", keycode); | |
2451d19d MK |
1067 | } |
1068 | ||
6942eabc | 1069 | static void acpi_fujitsu_laptop_release(void) |
2451d19d | 1070 | { |
6942eabc | 1071 | struct input_dev *input = fujitsu_laptop->input; |
2451d19d MK |
1072 | int keycode, status; |
1073 | ||
29544f03 | 1074 | while (true) { |
6942eabc | 1075 | status = kfifo_out_locked(&fujitsu_laptop->fifo, |
2451d19d MK |
1076 | (unsigned char *)&keycode, |
1077 | sizeof(keycode), | |
6942eabc | 1078 | &fujitsu_laptop->fifo_lock); |
29544f03 MK |
1079 | if (status != sizeof(keycode)) |
1080 | return; | |
2451d19d MK |
1081 | input_report_key(input, keycode, 0); |
1082 | input_sync(input); | |
1083 | vdbg_printk(FUJLAPTOP_DBG_TRACE, | |
1084 | "Pop keycode from ringbuffer [%d]\n", keycode); | |
1085 | } | |
1086 | } | |
1087 | ||
6942eabc | 1088 | static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event) |
20b93734 JW |
1089 | { |
1090 | struct input_dev *input; | |
2451d19d | 1091 | int keycode; |
20b93734 | 1092 | unsigned int irb = 1; |
2451d19d | 1093 | int i; |
20b93734 | 1094 | |
6942eabc | 1095 | input = fujitsu_laptop->input; |
20b93734 | 1096 | |
eb357cba MK |
1097 | if (event != ACPI_FUJITSU_NOTIFY_CODE1) { |
1098 | keycode = KEY_UNKNOWN; | |
1099 | vdbg_printk(FUJLAPTOP_DBG_WARN, | |
1100 | "Unsupported event [0x%x]\n", event); | |
1101 | input_report_key(input, keycode, 1); | |
1102 | input_sync(input); | |
1103 | input_report_key(input, keycode, 0); | |
1104 | input_sync(input); | |
1105 | return; | |
1106 | } | |
1107 | ||
8ef27bd3 AJ |
1108 | if (fujitsu_laptop->flags_supported) |
1109 | fujitsu_laptop->flags_state = | |
1110 | call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0); | |
20b93734 | 1111 | |
eb357cba MK |
1112 | i = 0; |
1113 | while ((irb = | |
1114 | call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0)) != 0 | |
1115 | && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) { | |
1116 | switch (irb & 0x4ff) { | |
1117 | case KEY1_CODE: | |
9fc5cf6e | 1118 | keycode = fujitsu_bl->keycode1; |
eb357cba MK |
1119 | break; |
1120 | case KEY2_CODE: | |
9fc5cf6e | 1121 | keycode = fujitsu_bl->keycode2; |
eb357cba MK |
1122 | break; |
1123 | case KEY3_CODE: | |
9fc5cf6e | 1124 | keycode = fujitsu_bl->keycode3; |
eb357cba MK |
1125 | break; |
1126 | case KEY4_CODE: | |
9fc5cf6e | 1127 | keycode = fujitsu_bl->keycode4; |
eb357cba MK |
1128 | break; |
1129 | case KEY5_CODE: | |
9fc5cf6e | 1130 | keycode = fujitsu_bl->keycode5; |
eb357cba MK |
1131 | break; |
1132 | case 0: | |
1133 | keycode = 0; | |
1134 | break; | |
1135 | default: | |
1136 | vdbg_printk(FUJLAPTOP_DBG_WARN, | |
1137 | "Unknown GIRB result [%x]\n", irb); | |
1138 | keycode = -1; | |
1139 | break; | |
1140 | } | |
2451d19d MK |
1141 | |
1142 | if (keycode > 0) | |
6942eabc | 1143 | acpi_fujitsu_laptop_press(keycode); |
2451d19d | 1144 | else if (keycode == 0) |
6942eabc | 1145 | acpi_fujitsu_laptop_release(); |
eb357cba | 1146 | } |
20b93734 | 1147 | |
eb357cba MK |
1148 | /* On some models (first seen on the Skylake-based Lifebook |
1149 | * E736/E746/E756), the touchpad toggle hotkey (Fn+F4) is | |
8ef27bd3 | 1150 | * handled in software; its state is queried using FUNC_FLAGS |
eb357cba | 1151 | */ |
8ef27bd3 AJ |
1152 | if ((fujitsu_laptop->flags_supported & BIT(26)) && |
1153 | (call_fext_func(FUNC_FLAGS, 0x1, 0x0, 0x0) & BIT(26))) { | |
eb357cba | 1154 | keycode = KEY_TOUCHPAD_TOGGLE; |
20b93734 JW |
1155 | input_report_key(input, keycode, 1); |
1156 | input_sync(input); | |
1157 | input_report_key(input, keycode, 0); | |
1158 | input_sync(input); | |
20b93734 | 1159 | } |
eb357cba | 1160 | |
20b93734 JW |
1161 | } |
1162 | ||
1163 | /* Initialization */ | |
1164 | ||
9fc5cf6e AJ |
1165 | static const struct acpi_device_id fujitsu_bl_device_ids[] = { |
1166 | {ACPI_FUJITSU_BL_HID, 0}, | |
d0482533 JW |
1167 | {"", 0}, |
1168 | }; | |
1169 | ||
9fc5cf6e AJ |
1170 | static struct acpi_driver acpi_fujitsu_bl_driver = { |
1171 | .name = ACPI_FUJITSU_BL_DRIVER_NAME, | |
d0482533 | 1172 | .class = ACPI_FUJITSU_CLASS, |
9fc5cf6e | 1173 | .ids = fujitsu_bl_device_ids, |
d0482533 | 1174 | .ops = { |
9fc5cf6e AJ |
1175 | .add = acpi_fujitsu_bl_add, |
1176 | .remove = acpi_fujitsu_bl_remove, | |
1177 | .notify = acpi_fujitsu_bl_notify, | |
d0482533 JW |
1178 | }, |
1179 | }; | |
1180 | ||
6942eabc AJ |
1181 | static const struct acpi_device_id fujitsu_laptop_device_ids[] = { |
1182 | {ACPI_FUJITSU_LAPTOP_HID, 0}, | |
20b93734 JW |
1183 | {"", 0}, |
1184 | }; | |
1185 | ||
6942eabc AJ |
1186 | static struct acpi_driver acpi_fujitsu_laptop_driver = { |
1187 | .name = ACPI_FUJITSU_LAPTOP_DRIVER_NAME, | |
20b93734 | 1188 | .class = ACPI_FUJITSU_CLASS, |
6942eabc | 1189 | .ids = fujitsu_laptop_device_ids, |
20b93734 | 1190 | .ops = { |
6942eabc AJ |
1191 | .add = acpi_fujitsu_laptop_add, |
1192 | .remove = acpi_fujitsu_laptop_remove, | |
1193 | .notify = acpi_fujitsu_laptop_notify, | |
20b93734 JW |
1194 | }, |
1195 | }; | |
d0482533 | 1196 | |
49901414 | 1197 | static const struct acpi_device_id fujitsu_ids[] __used = { |
9fc5cf6e | 1198 | {ACPI_FUJITSU_BL_HID, 0}, |
6942eabc | 1199 | {ACPI_FUJITSU_LAPTOP_HID, 0}, |
49901414 ZR |
1200 | {"", 0} |
1201 | }; | |
1202 | MODULE_DEVICE_TABLE(acpi, fujitsu_ids); | |
1203 | ||
d0482533 JW |
1204 | static int __init fujitsu_init(void) |
1205 | { | |
b8d69c16 | 1206 | int ret; |
d0482533 JW |
1207 | |
1208 | if (acpi_disabled) | |
1209 | return -ENODEV; | |
1210 | ||
9fc5cf6e AJ |
1211 | fujitsu_bl = kzalloc(sizeof(struct fujitsu_bl), GFP_KERNEL); |
1212 | if (!fujitsu_bl) | |
d0482533 | 1213 | return -ENOMEM; |
9fc5cf6e AJ |
1214 | fujitsu_bl->keycode1 = KEY_PROG1; |
1215 | fujitsu_bl->keycode2 = KEY_PROG2; | |
1216 | fujitsu_bl->keycode3 = KEY_PROG3; | |
1217 | fujitsu_bl->keycode4 = KEY_PROG4; | |
1218 | fujitsu_bl->keycode5 = KEY_RFKILL; | |
0e6a66e9 | 1219 | dmi_check_system(fujitsu_dmi_table); |
d0482533 | 1220 | |
c1d1e8a0 AJ |
1221 | ret = acpi_bus_register_driver(&acpi_fujitsu_bl_driver); |
1222 | if (ret) | |
d0482533 | 1223 | goto fail_acpi; |
d0482533 | 1224 | |
d0482533 JW |
1225 | /* Register platform stuff */ |
1226 | ||
9fc5cf6e AJ |
1227 | fujitsu_bl->pf_device = platform_device_alloc("fujitsu-laptop", -1); |
1228 | if (!fujitsu_bl->pf_device) { | |
d0482533 JW |
1229 | ret = -ENOMEM; |
1230 | goto fail_platform_driver; | |
1231 | } | |
1232 | ||
9fc5cf6e | 1233 | ret = platform_device_add(fujitsu_bl->pf_device); |
d0482533 JW |
1234 | if (ret) |
1235 | goto fail_platform_device1; | |
1236 | ||
1237 | ret = | |
9fc5cf6e | 1238 | sysfs_create_group(&fujitsu_bl->pf_device->dev.kobj, |
16506026 | 1239 | &fujitsu_pf_attribute_group); |
d0482533 JW |
1240 | if (ret) |
1241 | goto fail_platform_device2; | |
1242 | ||
20b93734 JW |
1243 | /* Register backlight stuff */ |
1244 | ||
413226f7 | 1245 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { |
b8d69c16 MK |
1246 | ret = fujitsu_backlight_register(); |
1247 | if (ret) | |
72afeeaf | 1248 | goto fail_sysfs_group; |
7d5c89a6 | 1249 | } |
20b93734 | 1250 | |
16506026 | 1251 | ret = platform_driver_register(&fujitsu_pf_driver); |
20b93734 JW |
1252 | if (ret) |
1253 | goto fail_backlight; | |
1254 | ||
6942eabc | 1255 | /* Register laptop driver */ |
20b93734 | 1256 | |
6942eabc AJ |
1257 | fujitsu_laptop = kzalloc(sizeof(struct fujitsu_laptop), GFP_KERNEL); |
1258 | if (!fujitsu_laptop) { | |
20b93734 | 1259 | ret = -ENOMEM; |
6942eabc | 1260 | goto fail_laptop; |
20b93734 | 1261 | } |
20b93734 | 1262 | |
c1d1e8a0 AJ |
1263 | ret = acpi_bus_register_driver(&acpi_fujitsu_laptop_driver); |
1264 | if (ret) | |
6942eabc | 1265 | goto fail_laptop1; |
20b93734 | 1266 | |
3a407086 | 1267 | /* Sync backlight power status (needs FUJ02E3 device, hence deferred) */ |
413226f7 | 1268 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { |
3a407086 | 1269 | if (call_fext_func(FUNC_BACKLIGHT, 0x2, 0x4, 0x0) == 3) |
9fc5cf6e | 1270 | fujitsu_bl->bl_device->props.power = FB_BLANK_POWERDOWN; |
3a407086 | 1271 | else |
9fc5cf6e | 1272 | fujitsu_bl->bl_device->props.power = FB_BLANK_UNBLANK; |
3a407086 TV |
1273 | } |
1274 | ||
77bad7c8 | 1275 | pr_info("driver " FUJITSU_DRIVER_VERSION " successfully loaded\n"); |
d0482533 JW |
1276 | |
1277 | return 0; | |
1278 | ||
6942eabc AJ |
1279 | fail_laptop1: |
1280 | kfree(fujitsu_laptop); | |
1281 | fail_laptop: | |
16506026 | 1282 | platform_driver_unregister(&fujitsu_pf_driver); |
20b93734 | 1283 | fail_backlight: |
9fc5cf6e | 1284 | backlight_device_unregister(fujitsu_bl->bl_device); |
72afeeaf | 1285 | fail_sysfs_group: |
9fc5cf6e | 1286 | sysfs_remove_group(&fujitsu_bl->pf_device->dev.kobj, |
16506026 | 1287 | &fujitsu_pf_attribute_group); |
20b93734 | 1288 | fail_platform_device2: |
9fc5cf6e | 1289 | platform_device_del(fujitsu_bl->pf_device); |
20b93734 | 1290 | fail_platform_device1: |
9fc5cf6e | 1291 | platform_device_put(fujitsu_bl->pf_device); |
20b93734 | 1292 | fail_platform_driver: |
9fc5cf6e | 1293 | acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver); |
20b93734 | 1294 | fail_acpi: |
9fc5cf6e | 1295 | kfree(fujitsu_bl); |
d0482533 JW |
1296 | |
1297 | return ret; | |
1298 | } | |
1299 | ||
1300 | static void __exit fujitsu_cleanup(void) | |
1301 | { | |
6942eabc | 1302 | acpi_bus_unregister_driver(&acpi_fujitsu_laptop_driver); |
3a407086 | 1303 | |
6942eabc | 1304 | kfree(fujitsu_laptop); |
3a407086 | 1305 | |
16506026 | 1306 | platform_driver_unregister(&fujitsu_pf_driver); |
72afeeaf | 1307 | |
9fc5cf6e | 1308 | backlight_device_unregister(fujitsu_bl->bl_device); |
d0482533 | 1309 | |
9fc5cf6e | 1310 | sysfs_remove_group(&fujitsu_bl->pf_device->dev.kobj, |
16506026 | 1311 | &fujitsu_pf_attribute_group); |
d0482533 | 1312 | |
9fc5cf6e | 1313 | platform_device_unregister(fujitsu_bl->pf_device); |
d0482533 | 1314 | |
9fc5cf6e | 1315 | acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver); |
20b93734 | 1316 | |
9fc5cf6e | 1317 | kfree(fujitsu_bl); |
20b93734 | 1318 | |
77bad7c8 | 1319 | pr_info("driver unloaded\n"); |
d0482533 JW |
1320 | } |
1321 | ||
1322 | module_init(fujitsu_init); | |
1323 | module_exit(fujitsu_cleanup); | |
1324 | ||
20b93734 JW |
1325 | module_param(use_alt_lcd_levels, uint, 0644); |
1326 | MODULE_PARM_DESC(use_alt_lcd_levels, | |
1327 | "Use alternative interface for lcd_levels (needed for Lifebook s6410)."); | |
20b93734 JW |
1328 | module_param(disable_brightness_adjust, uint, 0644); |
1329 | MODULE_PARM_DESC(disable_brightness_adjust, "Disable brightness adjustment ."); | |
1330 | #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG | |
1331 | module_param_named(debug, dbg_level, uint, 0644); | |
1332 | MODULE_PARM_DESC(debug, "Sets debug level bit-mask"); | |
1333 | #endif | |
1334 | ||
3a407086 | 1335 | MODULE_AUTHOR("Jonathan Woithe, Peter Gruber, Tony Vroon"); |
d0482533 JW |
1336 | MODULE_DESCRIPTION("Fujitsu laptop extras support"); |
1337 | MODULE_VERSION(FUJITSU_DRIVER_VERSION); | |
1338 | MODULE_LICENSE("GPL"); |