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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 | ||
575b245d | 100 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
3a407086 TV |
101 | /* FUNC interface - LED control */ |
102 | #define FUNC_LED_OFF 0x1 | |
103 | #define FUNC_LED_ON 0x30001 | |
104 | #define KEYBOARD_LAMPS 0x100 | |
105 | #define LOGOLAMP_POWERON 0x2000 | |
106 | #define LOGOLAMP_ALWAYS 0x4000 | |
4f62568c | 107 | #define RADIO_LED_ON 0x20 |
d6b88f64 MG |
108 | #define ECO_LED 0x10000 |
109 | #define ECO_LED_ON 0x80000 | |
3a407086 TV |
110 | #endif |
111 | ||
20b93734 | 112 | /* Hotkey details */ |
0e6a66e9 JW |
113 | #define KEY1_CODE 0x410 /* codes for the keys in the GIRB register */ |
114 | #define KEY2_CODE 0x411 | |
115 | #define KEY3_CODE 0x412 | |
116 | #define KEY4_CODE 0x413 | |
b5df36cf | 117 | #define KEY5_CODE 0x420 |
20b93734 JW |
118 | |
119 | #define MAX_HOTKEY_RINGBUFFER_SIZE 100 | |
120 | #define RINGBUFFERSIZE 40 | |
121 | ||
122 | /* Debugging */ | |
20b93734 JW |
123 | #define FUJLAPTOP_DBG_ERROR 0x0001 |
124 | #define FUJLAPTOP_DBG_WARN 0x0002 | |
125 | #define FUJLAPTOP_DBG_INFO 0x0004 | |
126 | #define FUJLAPTOP_DBG_TRACE 0x0008 | |
127 | ||
c4960cf0 JD |
128 | #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG |
129 | #define vdbg_printk(a_dbg_level, format, arg...) \ | |
20b93734 | 130 | do { if (dbg_level & a_dbg_level) \ |
98020a4a | 131 | printk(KERN_DEBUG pr_fmt("%s: " format), __func__, ## arg); \ |
20b93734 | 132 | } while (0) |
20b93734 | 133 | #else |
c4960cf0 JD |
134 | #define vdbg_printk(a_dbg_level, format, arg...) \ |
135 | do { } while (0) | |
20b93734 JW |
136 | #endif |
137 | ||
138 | /* Device controlling the backlight and associated keys */ | |
9fc5cf6e | 139 | struct fujitsu_bl { |
d0482533 | 140 | acpi_handle acpi_handle; |
20b93734 JW |
141 | struct acpi_device *dev; |
142 | struct input_dev *input; | |
143 | char phys[32]; | |
d0482533 JW |
144 | struct backlight_device *bl_device; |
145 | struct platform_device *pf_device; | |
b5df36cf | 146 | int keycode1, keycode2, keycode3, keycode4, keycode5; |
d0482533 | 147 | |
20b93734 | 148 | unsigned int max_brightness; |
d0482533 JW |
149 | unsigned int brightness_changed; |
150 | unsigned int brightness_level; | |
151 | }; | |
152 | ||
9fc5cf6e | 153 | static struct fujitsu_bl *fujitsu_bl; |
20b93734 | 154 | static int use_alt_lcd_levels = -1; |
20b93734 JW |
155 | static int disable_brightness_adjust = -1; |
156 | ||
6942eabc AJ |
157 | /* Device used to access hotkeys and other features on the laptop */ |
158 | struct fujitsu_laptop { | |
20b93734 JW |
159 | acpi_handle acpi_handle; |
160 | struct acpi_device *dev; | |
161 | struct input_dev *input; | |
162 | char phys[32]; | |
163 | struct platform_device *pf_device; | |
45465487 | 164 | struct kfifo fifo; |
20b93734 | 165 | spinlock_t fifo_lock; |
8ef27bd3 AJ |
166 | int flags_supported; |
167 | int flags_state; | |
3a407086 TV |
168 | int logolamp_registered; |
169 | int kblamps_registered; | |
4f62568c | 170 | int radio_led_registered; |
d6b88f64 | 171 | int eco_led_registered; |
20b93734 | 172 | }; |
d0482533 | 173 | |
6942eabc | 174 | static struct fujitsu_laptop *fujitsu_laptop; |
20b93734 | 175 | |
6942eabc | 176 | static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event); |
20b93734 | 177 | |
575b245d | 178 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
3a407086 | 179 | static enum led_brightness logolamp_get(struct led_classdev *cdev); |
a608a9d5 | 180 | static int logolamp_set(struct led_classdev *cdev, |
3a407086 TV |
181 | enum led_brightness brightness); |
182 | ||
67af7111 | 183 | static struct led_classdev logolamp_led = { |
3a407086 TV |
184 | .name = "fujitsu::logolamp", |
185 | .brightness_get = logolamp_get, | |
a608a9d5 | 186 | .brightness_set_blocking = logolamp_set |
3a407086 TV |
187 | }; |
188 | ||
189 | static enum led_brightness kblamps_get(struct led_classdev *cdev); | |
a608a9d5 | 190 | static int kblamps_set(struct led_classdev *cdev, |
3a407086 TV |
191 | enum led_brightness brightness); |
192 | ||
67af7111 | 193 | static struct led_classdev kblamps_led = { |
3a407086 TV |
194 | .name = "fujitsu::kblamps", |
195 | .brightness_get = kblamps_get, | |
a608a9d5 | 196 | .brightness_set_blocking = kblamps_set |
3a407086 | 197 | }; |
4f62568c MK |
198 | |
199 | static enum led_brightness radio_led_get(struct led_classdev *cdev); | |
a608a9d5 | 200 | static int radio_led_set(struct led_classdev *cdev, |
4f62568c MK |
201 | enum led_brightness brightness); |
202 | ||
203 | static struct led_classdev radio_led = { | |
204 | .name = "fujitsu::radio_led", | |
5f25b005 | 205 | .default_trigger = "rfkill-any", |
4f62568c | 206 | .brightness_get = radio_led_get, |
a608a9d5 | 207 | .brightness_set_blocking = radio_led_set |
4f62568c | 208 | }; |
d6b88f64 MG |
209 | |
210 | static enum led_brightness eco_led_get(struct led_classdev *cdev); | |
a608a9d5 | 211 | static int eco_led_set(struct led_classdev *cdev, |
d6b88f64 MG |
212 | enum led_brightness brightness); |
213 | ||
214 | static struct led_classdev eco_led = { | |
215 | .name = "fujitsu::eco_led", | |
d6b88f64 | 216 | .brightness_get = eco_led_get, |
a608a9d5 | 217 | .brightness_set_blocking = eco_led_set |
d6b88f64 | 218 | }; |
3a407086 TV |
219 | #endif |
220 | ||
20b93734 JW |
221 | #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG |
222 | static u32 dbg_level = 0x03; | |
223 | #endif | |
224 | ||
9fc5cf6e | 225 | static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event); |
20b93734 | 226 | |
3a407086 TV |
227 | /* Fujitsu ACPI interface function */ |
228 | ||
229 | static int call_fext_func(int cmd, int arg0, int arg1, int arg2) | |
230 | { | |
231 | acpi_status status = AE_OK; | |
232 | union acpi_object params[4] = { | |
233 | { .type = ACPI_TYPE_INTEGER }, | |
234 | { .type = ACPI_TYPE_INTEGER }, | |
235 | { .type = ACPI_TYPE_INTEGER }, | |
236 | { .type = ACPI_TYPE_INTEGER } | |
237 | }; | |
238 | struct acpi_object_list arg_list = { 4, ¶ms[0] }; | |
29c29a9b | 239 | unsigned long long value; |
3a407086 TV |
240 | acpi_handle handle = NULL; |
241 | ||
6942eabc | 242 | status = acpi_get_handle(fujitsu_laptop->acpi_handle, "FUNC", &handle); |
3a407086 TV |
243 | if (ACPI_FAILURE(status)) { |
244 | vdbg_printk(FUJLAPTOP_DBG_ERROR, | |
245 | "FUNC interface is not present\n"); | |
246 | return -ENODEV; | |
247 | } | |
248 | ||
249 | params[0].integer.value = cmd; | |
250 | params[1].integer.value = arg0; | |
251 | params[2].integer.value = arg1; | |
252 | params[3].integer.value = arg2; | |
253 | ||
29c29a9b | 254 | status = acpi_evaluate_integer(handle, NULL, &arg_list, &value); |
3a407086 TV |
255 | if (ACPI_FAILURE(status)) { |
256 | vdbg_printk(FUJLAPTOP_DBG_WARN, | |
257 | "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) call failed\n", | |
258 | cmd, arg0, arg1, arg2); | |
259 | return -ENODEV; | |
260 | } | |
261 | ||
3a407086 TV |
262 | vdbg_printk(FUJLAPTOP_DBG_TRACE, |
263 | "FUNC 0x%x (args 0x%x, 0x%x, 0x%x) returned 0x%x\n", | |
29c29a9b ZR |
264 | cmd, arg0, arg1, arg2, (int)value); |
265 | return value; | |
3a407086 TV |
266 | } |
267 | ||
575b245d | 268 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
3a407086 TV |
269 | /* LED class callbacks */ |
270 | ||
a608a9d5 | 271 | static int logolamp_set(struct led_classdev *cdev, |
3a407086 TV |
272 | enum led_brightness brightness) |
273 | { | |
dcb50b35 MK |
274 | int poweron = FUNC_LED_ON, always = FUNC_LED_ON; |
275 | int ret; | |
276 | ||
277 | if (brightness < LED_HALF) | |
278 | poweron = FUNC_LED_OFF; | |
279 | ||
280 | if (brightness < LED_FULL) | |
281 | always = FUNC_LED_OFF; | |
282 | ||
283 | ret = call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_POWERON, poweron); | |
284 | if (ret < 0) | |
285 | return ret; | |
286 | ||
287 | return call_fext_func(FUNC_LEDS, 0x1, LOGOLAMP_ALWAYS, always); | |
3a407086 TV |
288 | } |
289 | ||
a608a9d5 | 290 | static int kblamps_set(struct led_classdev *cdev, |
3a407086 TV |
291 | enum led_brightness brightness) |
292 | { | |
293 | if (brightness >= LED_FULL) | |
a608a9d5 | 294 | return call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_ON); |
3a407086 | 295 | else |
a608a9d5 | 296 | return call_fext_func(FUNC_LEDS, 0x1, KEYBOARD_LAMPS, FUNC_LED_OFF); |
3a407086 TV |
297 | } |
298 | ||
a608a9d5 | 299 | static int radio_led_set(struct led_classdev *cdev, |
4f62568c MK |
300 | enum led_brightness brightness) |
301 | { | |
302 | if (brightness >= LED_FULL) | |
8ef27bd3 | 303 | return call_fext_func(FUNC_FLAGS, 0x5, RADIO_LED_ON, RADIO_LED_ON); |
4f62568c | 304 | else |
8ef27bd3 | 305 | return call_fext_func(FUNC_FLAGS, 0x5, RADIO_LED_ON, 0x0); |
4f62568c MK |
306 | } |
307 | ||
a608a9d5 | 308 | static int eco_led_set(struct led_classdev *cdev, |
d6b88f64 MG |
309 | enum led_brightness brightness) |
310 | { | |
311 | int curr; | |
312 | ||
313 | curr = call_fext_func(FUNC_LEDS, 0x2, ECO_LED, 0x0); | |
69678934 | 314 | if (brightness >= LED_FULL) |
a608a9d5 | 315 | return call_fext_func(FUNC_LEDS, 0x1, ECO_LED, curr | ECO_LED_ON); |
d6b88f64 | 316 | else |
a608a9d5 | 317 | return call_fext_func(FUNC_LEDS, 0x1, ECO_LED, curr & ~ECO_LED_ON); |
d6b88f64 MG |
318 | } |
319 | ||
3a407086 TV |
320 | static enum led_brightness logolamp_get(struct led_classdev *cdev) |
321 | { | |
5c461e8e MK |
322 | int ret; |
323 | ||
324 | ret = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_ALWAYS, 0x0); | |
325 | if (ret == FUNC_LED_ON) | |
326 | return LED_FULL; | |
327 | ||
328 | ret = call_fext_func(FUNC_LEDS, 0x2, LOGOLAMP_POWERON, 0x0); | |
329 | if (ret == FUNC_LED_ON) | |
330 | return LED_HALF; | |
331 | ||
332 | return LED_OFF; | |
3a407086 TV |
333 | } |
334 | ||
335 | static enum led_brightness kblamps_get(struct led_classdev *cdev) | |
336 | { | |
337 | enum led_brightness brightness = LED_OFF; | |
338 | ||
339 | if (call_fext_func(FUNC_LEDS, 0x2, KEYBOARD_LAMPS, 0x0) == FUNC_LED_ON) | |
340 | brightness = LED_FULL; | |
341 | ||
342 | return brightness; | |
343 | } | |
4f62568c MK |
344 | |
345 | static enum led_brightness radio_led_get(struct led_classdev *cdev) | |
346 | { | |
347 | enum led_brightness brightness = LED_OFF; | |
348 | ||
8ef27bd3 | 349 | if (call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0) & RADIO_LED_ON) |
4f62568c MK |
350 | brightness = LED_FULL; |
351 | ||
352 | return brightness; | |
353 | } | |
d6b88f64 MG |
354 | |
355 | static enum led_brightness eco_led_get(struct led_classdev *cdev) | |
356 | { | |
357 | enum led_brightness brightness = LED_OFF; | |
358 | ||
359 | if (call_fext_func(FUNC_LEDS, 0x2, ECO_LED, 0x0) & ECO_LED_ON) | |
69678934 | 360 | brightness = LED_FULL; |
d6b88f64 MG |
361 | |
362 | return brightness; | |
363 | } | |
3a407086 TV |
364 | #endif |
365 | ||
20b93734 | 366 | /* Hardware access for LCD brightness control */ |
d0482533 JW |
367 | |
368 | static int set_lcd_level(int level) | |
369 | { | |
370 | acpi_status status = AE_OK; | |
d0482533 JW |
371 | acpi_handle handle = NULL; |
372 | ||
20b93734 JW |
373 | vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n", |
374 | level); | |
375 | ||
9fc5cf6e | 376 | if (level < 0 || level >= fujitsu_bl->max_brightness) |
d0482533 JW |
377 | return -EINVAL; |
378 | ||
9fc5cf6e | 379 | status = acpi_get_handle(fujitsu_bl->acpi_handle, "SBLL", &handle); |
d0482533 | 380 | if (ACPI_FAILURE(status)) { |
20b93734 JW |
381 | vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n"); |
382 | return -ENODEV; | |
383 | } | |
384 | ||
20b93734 | 385 | |
6c7fe47a | 386 | status = acpi_execute_simple_method(handle, NULL, level); |
20b93734 JW |
387 | if (ACPI_FAILURE(status)) |
388 | return -ENODEV; | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
393 | static int set_lcd_level_alt(int level) | |
394 | { | |
395 | acpi_status status = AE_OK; | |
20b93734 JW |
396 | acpi_handle handle = NULL; |
397 | ||
398 | vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n", | |
399 | level); | |
400 | ||
9fc5cf6e | 401 | if (level < 0 || level >= fujitsu_bl->max_brightness) |
20b93734 JW |
402 | return -EINVAL; |
403 | ||
9fc5cf6e | 404 | status = acpi_get_handle(fujitsu_bl->acpi_handle, "SBL2", &handle); |
20b93734 JW |
405 | if (ACPI_FAILURE(status)) { |
406 | vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n"); | |
d0482533 JW |
407 | return -ENODEV; |
408 | } | |
409 | ||
6c7fe47a | 410 | status = acpi_execute_simple_method(handle, NULL, level); |
d0482533 JW |
411 | if (ACPI_FAILURE(status)) |
412 | return -ENODEV; | |
413 | ||
414 | return 0; | |
415 | } | |
416 | ||
417 | static int get_lcd_level(void) | |
418 | { | |
27663c58 | 419 | unsigned long long state = 0; |
d0482533 JW |
420 | acpi_status status = AE_OK; |
421 | ||
20b93734 JW |
422 | vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n"); |
423 | ||
9fc5cf6e AJ |
424 | status = acpi_evaluate_integer(fujitsu_bl->acpi_handle, "GBLL", NULL, |
425 | &state); | |
3b1c37ca JW |
426 | if (ACPI_FAILURE(status)) |
427 | return 0; | |
d0482533 | 428 | |
9fc5cf6e | 429 | fujitsu_bl->brightness_level = state & 0x0fffffff; |
20b93734 JW |
430 | |
431 | if (state & 0x80000000) | |
9fc5cf6e | 432 | fujitsu_bl->brightness_changed = 1; |
20b93734 | 433 | else |
9fc5cf6e | 434 | fujitsu_bl->brightness_changed = 0; |
20b93734 | 435 | |
9fc5cf6e | 436 | return fujitsu_bl->brightness_level; |
20b93734 JW |
437 | } |
438 | ||
439 | static int get_max_brightness(void) | |
440 | { | |
27663c58 | 441 | unsigned long long state = 0; |
20b93734 JW |
442 | acpi_status status = AE_OK; |
443 | ||
444 | vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n"); | |
445 | ||
9fc5cf6e AJ |
446 | status = acpi_evaluate_integer(fujitsu_bl->acpi_handle, "RBLL", NULL, |
447 | &state); | |
3b1c37ca JW |
448 | if (ACPI_FAILURE(status)) |
449 | return -1; | |
20b93734 | 450 | |
9fc5cf6e | 451 | fujitsu_bl->max_brightness = state; |
20b93734 | 452 | |
9fc5cf6e | 453 | return fujitsu_bl->max_brightness; |
20b93734 JW |
454 | } |
455 | ||
d0482533 JW |
456 | /* Backlight device stuff */ |
457 | ||
458 | static int bl_get_brightness(struct backlight_device *b) | |
459 | { | |
f87a1a5f | 460 | return get_lcd_level(); |
d0482533 JW |
461 | } |
462 | ||
463 | static int bl_update_status(struct backlight_device *b) | |
464 | { | |
3a407086 | 465 | int ret; |
e8549e2c | 466 | if (b->props.power == FB_BLANK_POWERDOWN) |
3a407086 TV |
467 | ret = call_fext_func(FUNC_BACKLIGHT, 0x1, 0x4, 0x3); |
468 | else | |
469 | ret = call_fext_func(FUNC_BACKLIGHT, 0x1, 0x4, 0x0); | |
470 | if (ret != 0) | |
471 | vdbg_printk(FUJLAPTOP_DBG_ERROR, | |
472 | "Unable to adjust backlight power, error code %i\n", | |
473 | ret); | |
474 | ||
20b93734 | 475 | if (use_alt_lcd_levels) |
3a407086 | 476 | ret = set_lcd_level_alt(b->props.brightness); |
20b93734 | 477 | else |
3a407086 TV |
478 | ret = set_lcd_level(b->props.brightness); |
479 | if (ret != 0) | |
480 | vdbg_printk(FUJLAPTOP_DBG_ERROR, | |
481 | "Unable to adjust LCD brightness, error code %i\n", | |
482 | ret); | |
483 | return ret; | |
d0482533 JW |
484 | } |
485 | ||
9fc5cf6e | 486 | static const struct backlight_ops fujitsu_bl_ops = { |
d0482533 JW |
487 | .get_brightness = bl_get_brightness, |
488 | .update_status = bl_update_status, | |
489 | }; | |
490 | ||
20b93734 JW |
491 | /* Platform LCD brightness device */ |
492 | ||
493 | static ssize_t | |
494 | show_max_brightness(struct device *dev, | |
495 | struct device_attribute *attr, char *buf) | |
496 | { | |
497 | ||
498 | int ret; | |
499 | ||
500 | ret = get_max_brightness(); | |
501 | if (ret < 0) | |
502 | return ret; | |
503 | ||
504 | return sprintf(buf, "%i\n", ret); | |
505 | } | |
506 | ||
507 | static ssize_t | |
508 | show_brightness_changed(struct device *dev, | |
509 | struct device_attribute *attr, char *buf) | |
510 | { | |
511 | ||
512 | int ret; | |
513 | ||
9fc5cf6e | 514 | ret = fujitsu_bl->brightness_changed; |
20b93734 JW |
515 | if (ret < 0) |
516 | return ret; | |
517 | ||
518 | return sprintf(buf, "%i\n", ret); | |
519 | } | |
d0482533 JW |
520 | |
521 | static ssize_t show_lcd_level(struct device *dev, | |
522 | struct device_attribute *attr, char *buf) | |
523 | { | |
524 | ||
525 | int ret; | |
526 | ||
f87a1a5f | 527 | ret = get_lcd_level(); |
d0482533 JW |
528 | if (ret < 0) |
529 | return ret; | |
530 | ||
531 | return sprintf(buf, "%i\n", ret); | |
532 | } | |
533 | ||
534 | static ssize_t store_lcd_level(struct device *dev, | |
535 | struct device_attribute *attr, const char *buf, | |
536 | size_t count) | |
537 | { | |
538 | ||
539 | int level, ret; | |
540 | ||
541 | if (sscanf(buf, "%i", &level) != 1 | |
9fc5cf6e | 542 | || (level < 0 || level >= fujitsu_bl->max_brightness)) |
d0482533 JW |
543 | return -EINVAL; |
544 | ||
20b93734 JW |
545 | if (use_alt_lcd_levels) |
546 | ret = set_lcd_level_alt(level); | |
547 | else | |
548 | ret = set_lcd_level(level); | |
549 | if (ret < 0) | |
550 | return ret; | |
551 | ||
f87a1a5f | 552 | ret = get_lcd_level(); |
d0482533 JW |
553 | if (ret < 0) |
554 | return ret; | |
555 | ||
556 | return count; | |
557 | } | |
558 | ||
3a407086 TV |
559 | static ssize_t |
560 | ignore_store(struct device *dev, | |
561 | struct device_attribute *attr, const char *buf, size_t count) | |
20b93734 | 562 | { |
3a407086 TV |
563 | return count; |
564 | } | |
20b93734 | 565 | |
3a407086 TV |
566 | static ssize_t |
567 | show_lid_state(struct device *dev, | |
568 | struct device_attribute *attr, char *buf) | |
569 | { | |
8ef27bd3 | 570 | if (!(fujitsu_laptop->flags_supported & 0x100)) |
3a407086 | 571 | return sprintf(buf, "unknown\n"); |
8ef27bd3 | 572 | if (fujitsu_laptop->flags_state & 0x100) |
3a407086 TV |
573 | return sprintf(buf, "open\n"); |
574 | else | |
575 | return sprintf(buf, "closed\n"); | |
576 | } | |
20b93734 | 577 | |
3a407086 TV |
578 | static ssize_t |
579 | show_dock_state(struct device *dev, | |
580 | struct device_attribute *attr, char *buf) | |
581 | { | |
8ef27bd3 | 582 | if (!(fujitsu_laptop->flags_supported & 0x200)) |
3a407086 | 583 | return sprintf(buf, "unknown\n"); |
8ef27bd3 | 584 | if (fujitsu_laptop->flags_state & 0x200) |
3a407086 TV |
585 | return sprintf(buf, "docked\n"); |
586 | else | |
587 | return sprintf(buf, "undocked\n"); | |
20b93734 JW |
588 | } |
589 | ||
590 | static ssize_t | |
3a407086 TV |
591 | show_radios_state(struct device *dev, |
592 | struct device_attribute *attr, char *buf) | |
20b93734 | 593 | { |
8ef27bd3 | 594 | if (!(fujitsu_laptop->flags_supported & 0x20)) |
3a407086 | 595 | return sprintf(buf, "unknown\n"); |
8ef27bd3 | 596 | if (fujitsu_laptop->flags_state & 0x20) |
3a407086 TV |
597 | return sprintf(buf, "on\n"); |
598 | else | |
599 | return sprintf(buf, "killed\n"); | |
20b93734 JW |
600 | } |
601 | ||
602 | static DEVICE_ATTR(max_brightness, 0444, show_max_brightness, ignore_store); | |
603 | static DEVICE_ATTR(brightness_changed, 0444, show_brightness_changed, | |
604 | ignore_store); | |
d0482533 | 605 | static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level); |
3a407086 TV |
606 | static DEVICE_ATTR(lid, 0444, show_lid_state, ignore_store); |
607 | static DEVICE_ATTR(dock, 0444, show_dock_state, ignore_store); | |
608 | static DEVICE_ATTR(radios, 0444, show_radios_state, ignore_store); | |
d0482533 | 609 | |
16506026 | 610 | static struct attribute *fujitsu_pf_attributes[] = { |
20b93734 JW |
611 | &dev_attr_brightness_changed.attr, |
612 | &dev_attr_max_brightness.attr, | |
d0482533 | 613 | &dev_attr_lcd_level.attr, |
3a407086 TV |
614 | &dev_attr_lid.attr, |
615 | &dev_attr_dock.attr, | |
616 | &dev_attr_radios.attr, | |
d0482533 JW |
617 | NULL |
618 | }; | |
619 | ||
16506026 AJ |
620 | static struct attribute_group fujitsu_pf_attribute_group = { |
621 | .attrs = fujitsu_pf_attributes | |
d0482533 JW |
622 | }; |
623 | ||
16506026 | 624 | static struct platform_driver fujitsu_pf_driver = { |
d0482533 JW |
625 | .driver = { |
626 | .name = "fujitsu-laptop", | |
d0482533 JW |
627 | } |
628 | }; | |
629 | ||
fbe9b79f | 630 | static void __init dmi_check_cb_common(const struct dmi_system_id *id) |
20b93734 | 631 | { |
77bad7c8 | 632 | pr_info("Identified laptop model '%s'\n", id->ident); |
20b93734 | 633 | if (use_alt_lcd_levels == -1) { |
dd13b9a6 ZR |
634 | if (acpi_has_method(NULL, |
635 | "\\_SB.PCI0.LPCB.FJEX.SBL2")) | |
f87a1a5f TV |
636 | use_alt_lcd_levels = 1; |
637 | else | |
638 | use_alt_lcd_levels = 0; | |
639 | vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as " | |
640 | "%i\n", use_alt_lcd_levels); | |
20b93734 | 641 | } |
0e6a66e9 JW |
642 | } |
643 | ||
fbe9b79f | 644 | static int __init dmi_check_cb_s6410(const struct dmi_system_id *id) |
0e6a66e9 JW |
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; |
0e6a66e9 JW |
650 | } |
651 | ||
fbe9b79f | 652 | static int __init dmi_check_cb_s6420(const struct dmi_system_id *id) |
56960b54 TV |
653 | { |
654 | dmi_check_cb_common(id); | |
9fc5cf6e AJ |
655 | fujitsu_bl->keycode1 = KEY_SCREENLOCK; /* "Lock" */ |
656 | fujitsu_bl->keycode2 = KEY_HELP; /* "Mobility Center" */ | |
80183a4b | 657 | return 1; |
56960b54 TV |
658 | } |
659 | ||
fbe9b79f | 660 | static int __init dmi_check_cb_p8010(const struct dmi_system_id *id) |
0e6a66e9 JW |
661 | { |
662 | dmi_check_cb_common(id); | |
9fc5cf6e AJ |
663 | fujitsu_bl->keycode1 = KEY_HELP; /* "Support" */ |
664 | fujitsu_bl->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */ | |
665 | fujitsu_bl->keycode4 = KEY_WWW; /* "Internet" */ | |
80183a4b | 666 | return 1; |
20b93734 JW |
667 | } |
668 | ||
fbe9b79f | 669 | static const struct dmi_system_id fujitsu_dmi_table[] __initconst = { |
20b93734 | 670 | { |
0e6a66e9 | 671 | .ident = "Fujitsu Siemens S6410", |
20b93734 JW |
672 | .matches = { |
673 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
674 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6410"), | |
675 | }, | |
676 | .callback = dmi_check_cb_s6410}, | |
56960b54 TV |
677 | { |
678 | .ident = "Fujitsu Siemens S6420", | |
679 | .matches = { | |
680 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
681 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK S6420"), | |
682 | }, | |
683 | .callback = dmi_check_cb_s6420}, | |
d8196a93 | 684 | { |
0e6a66e9 | 685 | .ident = "Fujitsu LifeBook P8010", |
d8196a93 JW |
686 | .matches = { |
687 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
688 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P8010"), | |
0e6a66e9 JW |
689 | }, |
690 | .callback = dmi_check_cb_p8010}, | |
20b93734 JW |
691 | {} |
692 | }; | |
693 | ||
694 | /* ACPI device for LCD brightness control */ | |
d0482533 | 695 | |
9fc5cf6e | 696 | static int acpi_fujitsu_bl_add(struct acpi_device *device) |
d0482533 | 697 | { |
d0482533 | 698 | int state = 0; |
20b93734 JW |
699 | struct input_dev *input; |
700 | int error; | |
d0482533 JW |
701 | |
702 | if (!device) | |
703 | return -EINVAL; | |
704 | ||
9fc5cf6e AJ |
705 | fujitsu_bl->acpi_handle = device->handle; |
706 | sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_BL_DEVICE_NAME); | |
d0482533 | 707 | sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); |
9fc5cf6e | 708 | device->driver_data = fujitsu_bl; |
d0482533 | 709 | |
9fc5cf6e | 710 | fujitsu_bl->input = input = input_allocate_device(); |
20b93734 JW |
711 | if (!input) { |
712 | error = -ENOMEM; | |
700b6721 | 713 | goto err_stop; |
20b93734 JW |
714 | } |
715 | ||
9fc5cf6e | 716 | snprintf(fujitsu_bl->phys, sizeof(fujitsu_bl->phys), |
20b93734 JW |
717 | "%s/video/input0", acpi_device_hid(device)); |
718 | ||
719 | input->name = acpi_device_name(device); | |
9fc5cf6e | 720 | input->phys = fujitsu_bl->phys; |
20b93734 JW |
721 | input->id.bustype = BUS_HOST; |
722 | input->id.product = 0x06; | |
723 | input->dev.parent = &device->dev; | |
724 | input->evbit[0] = BIT(EV_KEY); | |
725 | set_bit(KEY_BRIGHTNESSUP, input->keybit); | |
726 | set_bit(KEY_BRIGHTNESSDOWN, input->keybit); | |
727 | set_bit(KEY_UNKNOWN, input->keybit); | |
728 | ||
729 | error = input_register_device(input); | |
730 | if (error) | |
731 | goto err_free_input_dev; | |
732 | ||
9fc5cf6e | 733 | error = acpi_bus_update_power(fujitsu_bl->acpi_handle, &state); |
b30bb89f | 734 | if (error) { |
77bad7c8 | 735 | pr_err("Error reading power state\n"); |
72afeeaf | 736 | goto err_unregister_input_dev; |
d0482533 JW |
737 | } |
738 | ||
77bad7c8 | 739 | pr_info("ACPI: %s [%s] (%s)\n", |
d0482533 JW |
740 | acpi_device_name(device), acpi_device_bid(device), |
741 | !device->power.state ? "on" : "off"); | |
742 | ||
9fc5cf6e | 743 | fujitsu_bl->dev = device; |
20b93734 | 744 | |
dd13b9a6 | 745 | if (acpi_has_method(device->handle, METHOD_NAME__INI)) { |
20b93734 JW |
746 | vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); |
747 | if (ACPI_FAILURE | |
748 | (acpi_evaluate_object | |
749 | (device->handle, METHOD_NAME__INI, NULL, NULL))) | |
77bad7c8 | 750 | pr_err("_INI Method failed\n"); |
20b93734 JW |
751 | } |
752 | ||
753 | /* do config (detect defaults) */ | |
20b93734 | 754 | use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0; |
20b93734 JW |
755 | disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0; |
756 | vdbg_printk(FUJLAPTOP_DBG_INFO, | |
f87a1a5f TV |
757 | "config: [alt interface: %d], [adjust disable: %d]\n", |
758 | use_alt_lcd_levels, disable_brightness_adjust); | |
20b93734 JW |
759 | |
760 | if (get_max_brightness() <= 0) | |
9fc5cf6e | 761 | fujitsu_bl->max_brightness = FUJITSU_LCD_N_LEVELS; |
f87a1a5f | 762 | get_lcd_level(); |
20b93734 | 763 | |
b30bb89f | 764 | return 0; |
20b93734 | 765 | |
72afeeaf BZ |
766 | err_unregister_input_dev: |
767 | input_unregister_device(input); | |
8e4e2efd | 768 | input = NULL; |
20b93734 JW |
769 | err_free_input_dev: |
770 | input_free_device(input); | |
20b93734 | 771 | err_stop: |
b30bb89f | 772 | return error; |
d0482533 JW |
773 | } |
774 | ||
9fc5cf6e | 775 | static int acpi_fujitsu_bl_remove(struct acpi_device *device) |
d0482533 | 776 | { |
9fc5cf6e AJ |
777 | struct fujitsu_bl *fujitsu_bl = acpi_driver_data(device); |
778 | struct input_dev *input = fujitsu_bl->input; | |
d0482533 | 779 | |
72afeeaf | 780 | input_unregister_device(input); |
20b93734 | 781 | |
9fc5cf6e | 782 | fujitsu_bl->acpi_handle = NULL; |
d0482533 JW |
783 | |
784 | return 0; | |
785 | } | |
786 | ||
20b93734 JW |
787 | /* Brightness notify */ |
788 | ||
9fc5cf6e | 789 | static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event) |
20b93734 JW |
790 | { |
791 | struct input_dev *input; | |
792 | int keycode; | |
793 | int oldb, newb; | |
794 | ||
9fc5cf6e | 795 | input = fujitsu_bl->input; |
20b93734 JW |
796 | |
797 | switch (event) { | |
798 | case ACPI_FUJITSU_NOTIFY_CODE1: | |
799 | keycode = 0; | |
9fc5cf6e | 800 | oldb = fujitsu_bl->brightness_level; |
f87a1a5f | 801 | get_lcd_level(); |
9fc5cf6e | 802 | newb = fujitsu_bl->brightness_level; |
20b93734 JW |
803 | |
804 | vdbg_printk(FUJLAPTOP_DBG_TRACE, | |
805 | "brightness button event [%i -> %i (%i)]\n", | |
9fc5cf6e | 806 | oldb, newb, fujitsu_bl->brightness_changed); |
20b93734 | 807 | |
f87a1a5f | 808 | if (oldb < newb) { |
20b93734 JW |
809 | if (disable_brightness_adjust != 1) { |
810 | if (use_alt_lcd_levels) | |
811 | set_lcd_level_alt(newb); | |
812 | else | |
813 | set_lcd_level(newb); | |
814 | } | |
f87a1a5f | 815 | keycode = KEY_BRIGHTNESSUP; |
20b93734 JW |
816 | } else if (oldb > newb) { |
817 | if (disable_brightness_adjust != 1) { | |
818 | if (use_alt_lcd_levels) | |
819 | set_lcd_level_alt(newb); | |
820 | else | |
821 | set_lcd_level(newb); | |
822 | } | |
f87a1a5f | 823 | keycode = KEY_BRIGHTNESSDOWN; |
20b93734 JW |
824 | } |
825 | break; | |
826 | default: | |
827 | keycode = KEY_UNKNOWN; | |
828 | vdbg_printk(FUJLAPTOP_DBG_WARN, | |
829 | "unsupported event [0x%x]\n", event); | |
830 | break; | |
831 | } | |
832 | ||
833 | if (keycode != 0) { | |
834 | input_report_key(input, keycode, 1); | |
835 | input_sync(input); | |
836 | input_report_key(input, keycode, 0); | |
837 | input_sync(input); | |
838 | } | |
20b93734 JW |
839 | } |
840 | ||
841 | /* ACPI device for hotkey handling */ | |
842 | ||
6942eabc | 843 | static int acpi_fujitsu_laptop_add(struct acpi_device *device) |
20b93734 | 844 | { |
20b93734 JW |
845 | int result = 0; |
846 | int state = 0; | |
847 | struct input_dev *input; | |
848 | int error; | |
849 | int i; | |
850 | ||
851 | if (!device) | |
852 | return -EINVAL; | |
853 | ||
6942eabc | 854 | fujitsu_laptop->acpi_handle = device->handle; |
20b93734 | 855 | sprintf(acpi_device_name(device), "%s", |
6942eabc | 856 | ACPI_FUJITSU_LAPTOP_DEVICE_NAME); |
20b93734 | 857 | sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); |
6942eabc | 858 | device->driver_data = fujitsu_laptop; |
20b93734 | 859 | |
20b93734 | 860 | /* kfifo */ |
6942eabc AJ |
861 | spin_lock_init(&fujitsu_laptop->fifo_lock); |
862 | error = kfifo_alloc(&fujitsu_laptop->fifo, RINGBUFFERSIZE * sizeof(int), | |
c1e13f25 | 863 | GFP_KERNEL); |
45465487 | 864 | if (error) { |
77bad7c8 | 865 | pr_err("kfifo_alloc failed\n"); |
20b93734 JW |
866 | goto err_stop; |
867 | } | |
868 | ||
6942eabc | 869 | fujitsu_laptop->input = input = input_allocate_device(); |
20b93734 JW |
870 | if (!input) { |
871 | error = -ENOMEM; | |
b4ec0275 | 872 | goto err_free_fifo; |
20b93734 JW |
873 | } |
874 | ||
6942eabc | 875 | snprintf(fujitsu_laptop->phys, sizeof(fujitsu_laptop->phys), |
20b93734 JW |
876 | "%s/video/input0", acpi_device_hid(device)); |
877 | ||
878 | input->name = acpi_device_name(device); | |
6942eabc | 879 | input->phys = fujitsu_laptop->phys; |
20b93734 JW |
880 | input->id.bustype = BUS_HOST; |
881 | input->id.product = 0x06; | |
882 | input->dev.parent = &device->dev; | |
3a407086 TV |
883 | |
884 | set_bit(EV_KEY, input->evbit); | |
9fc5cf6e AJ |
885 | set_bit(fujitsu_bl->keycode1, input->keybit); |
886 | set_bit(fujitsu_bl->keycode2, input->keybit); | |
887 | set_bit(fujitsu_bl->keycode3, input->keybit); | |
888 | set_bit(fujitsu_bl->keycode4, input->keybit); | |
889 | set_bit(fujitsu_bl->keycode5, input->keybit); | |
1879e69f | 890 | set_bit(KEY_TOUCHPAD_TOGGLE, input->keybit); |
20b93734 JW |
891 | set_bit(KEY_UNKNOWN, input->keybit); |
892 | ||
893 | error = input_register_device(input); | |
894 | if (error) | |
895 | goto err_free_input_dev; | |
896 | ||
6942eabc | 897 | error = acpi_bus_update_power(fujitsu_laptop->acpi_handle, &state); |
b30bb89f | 898 | if (error) { |
77bad7c8 | 899 | pr_err("Error reading power state\n"); |
72afeeaf | 900 | goto err_unregister_input_dev; |
20b93734 JW |
901 | } |
902 | ||
77bad7c8 JP |
903 | pr_info("ACPI: %s [%s] (%s)\n", |
904 | acpi_device_name(device), acpi_device_bid(device), | |
905 | !device->power.state ? "on" : "off"); | |
20b93734 | 906 | |
6942eabc | 907 | fujitsu_laptop->dev = device; |
20b93734 | 908 | |
dd13b9a6 | 909 | if (acpi_has_method(device->handle, METHOD_NAME__INI)) { |
20b93734 JW |
910 | vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); |
911 | if (ACPI_FAILURE | |
912 | (acpi_evaluate_object | |
913 | (device->handle, METHOD_NAME__INI, NULL, NULL))) | |
77bad7c8 | 914 | pr_err("_INI Method failed\n"); |
20b93734 JW |
915 | } |
916 | ||
3a407086 TV |
917 | i = 0; |
918 | while (call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0) != 0 | |
919 | && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) | |
920 | ; /* No action, result is discarded */ | |
20b93734 JW |
921 | vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i); |
922 | ||
8ef27bd3 AJ |
923 | fujitsu_laptop->flags_supported = |
924 | call_fext_func(FUNC_FLAGS, 0x0, 0x0, 0x0); | |
4898c2b2 TV |
925 | |
926 | /* Make sure our bitmask of supported functions is cleared if the | |
927 | RFKILL function block is not implemented, like on the S7020. */ | |
8ef27bd3 AJ |
928 | if (fujitsu_laptop->flags_supported == UNSUPPORTED_CMD) |
929 | fujitsu_laptop->flags_supported = 0; | |
4898c2b2 | 930 | |
8ef27bd3 AJ |
931 | if (fujitsu_laptop->flags_supported) |
932 | fujitsu_laptop->flags_state = | |
933 | call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0); | |
3a407086 TV |
934 | |
935 | /* Suspect this is a keymap of the application panel, print it */ | |
77bad7c8 | 936 | pr_info("BTNI: [0x%x]\n", call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0)); |
3a407086 | 937 | |
575b245d | 938 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
3a407086 | 939 | if (call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & LOGOLAMP_POWERON) { |
9fc5cf6e | 940 | result = led_classdev_register(&fujitsu_bl->pf_device->dev, |
3a407086 TV |
941 | &logolamp_led); |
942 | if (result == 0) { | |
6942eabc | 943 | fujitsu_laptop->logolamp_registered = 1; |
3a407086 | 944 | } else { |
77bad7c8 JP |
945 | pr_err("Could not register LED handler for logo lamp, error %i\n", |
946 | result); | |
3a407086 TV |
947 | } |
948 | } | |
949 | ||
950 | if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & KEYBOARD_LAMPS) && | |
951 | (call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) == 0x0)) { | |
9fc5cf6e | 952 | result = led_classdev_register(&fujitsu_bl->pf_device->dev, |
3a407086 TV |
953 | &kblamps_led); |
954 | if (result == 0) { | |
6942eabc | 955 | fujitsu_laptop->kblamps_registered = 1; |
3a407086 | 956 | } else { |
77bad7c8 JP |
957 | pr_err("Could not register LED handler for keyboard lamps, error %i\n", |
958 | result); | |
3a407086 TV |
959 | } |
960 | } | |
4f62568c MK |
961 | |
962 | /* | |
963 | * BTNI bit 24 seems to indicate the presence of a radio toggle | |
964 | * button in place of a slide switch, and all such machines appear | |
965 | * to also have an RF LED. Therefore use bit 24 as an indicator | |
966 | * that an RF LED is present. | |
967 | */ | |
968 | if (call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) & BIT(24)) { | |
9fc5cf6e | 969 | result = led_classdev_register(&fujitsu_bl->pf_device->dev, |
4f62568c MK |
970 | &radio_led); |
971 | if (result == 0) { | |
6942eabc | 972 | fujitsu_laptop->radio_led_registered = 1; |
4f62568c MK |
973 | } else { |
974 | pr_err("Could not register LED handler for radio LED, error %i\n", | |
975 | result); | |
976 | } | |
977 | } | |
d6b88f64 MG |
978 | |
979 | /* Support for eco led is not always signaled in bit corresponding | |
980 | * to the bit used to control the led. According to the DSDT table, | |
981 | * bit 14 seems to indicate presence of said led as well. | |
982 | * Confirm by testing the status. | |
983 | */ | |
984 | if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & BIT(14)) && | |
985 | (call_fext_func(FUNC_LEDS, 0x2, ECO_LED, 0x0) != UNSUPPORTED_CMD)) { | |
9fc5cf6e | 986 | result = led_classdev_register(&fujitsu_bl->pf_device->dev, |
d6b88f64 MG |
987 | &eco_led); |
988 | if (result == 0) { | |
6942eabc | 989 | fujitsu_laptop->eco_led_registered = 1; |
d6b88f64 MG |
990 | } else { |
991 | pr_err("Could not register LED handler for eco LED, error %i\n", | |
992 | result); | |
993 | } | |
994 | } | |
72afeeaf | 995 | #endif |
3a407086 | 996 | |
20b93734 JW |
997 | return result; |
998 | ||
72afeeaf BZ |
999 | err_unregister_input_dev: |
1000 | input_unregister_device(input); | |
8e4e2efd | 1001 | input = NULL; |
20b93734 JW |
1002 | err_free_input_dev: |
1003 | input_free_device(input); | |
b4ec0275 | 1004 | err_free_fifo: |
6942eabc | 1005 | kfifo_free(&fujitsu_laptop->fifo); |
20b93734 | 1006 | err_stop: |
b30bb89f | 1007 | return error; |
20b93734 JW |
1008 | } |
1009 | ||
6942eabc | 1010 | static int acpi_fujitsu_laptop_remove(struct acpi_device *device) |
20b93734 | 1011 | { |
6942eabc AJ |
1012 | struct fujitsu_laptop *fujitsu_laptop = acpi_driver_data(device); |
1013 | struct input_dev *input = fujitsu_laptop->input; | |
20b93734 | 1014 | |
575b245d | 1015 | #if IS_ENABLED(CONFIG_LEDS_CLASS) |
6942eabc | 1016 | if (fujitsu_laptop->logolamp_registered) |
72afeeaf | 1017 | led_classdev_unregister(&logolamp_led); |
20b93734 | 1018 | |
6942eabc | 1019 | if (fujitsu_laptop->kblamps_registered) |
72afeeaf | 1020 | led_classdev_unregister(&kblamps_led); |
4f62568c | 1021 | |
6942eabc | 1022 | if (fujitsu_laptop->radio_led_registered) |
4f62568c | 1023 | led_classdev_unregister(&radio_led); |
d6b88f64 | 1024 | |
6942eabc | 1025 | if (fujitsu_laptop->eco_led_registered) |
d6b88f64 | 1026 | led_classdev_unregister(&eco_led); |
72afeeaf | 1027 | #endif |
20b93734 | 1028 | |
72afeeaf | 1029 | input_unregister_device(input); |
20b93734 | 1030 | |
6942eabc | 1031 | kfifo_free(&fujitsu_laptop->fifo); |
20b93734 | 1032 | |
6942eabc | 1033 | fujitsu_laptop->acpi_handle = NULL; |
72afeeaf | 1034 | |
20b93734 JW |
1035 | return 0; |
1036 | } | |
1037 | ||
6942eabc | 1038 | static void acpi_fujitsu_laptop_press(int keycode) |
2451d19d | 1039 | { |
6942eabc | 1040 | struct input_dev *input = fujitsu_laptop->input; |
2451d19d MK |
1041 | int status; |
1042 | ||
6942eabc | 1043 | status = kfifo_in_locked(&fujitsu_laptop->fifo, |
2451d19d | 1044 | (unsigned char *)&keycode, sizeof(keycode), |
6942eabc | 1045 | &fujitsu_laptop->fifo_lock); |
2451d19d MK |
1046 | if (status != sizeof(keycode)) { |
1047 | vdbg_printk(FUJLAPTOP_DBG_WARN, | |
1048 | "Could not push keycode [0x%x]\n", keycode); | |
a28c7e93 | 1049 | return; |
2451d19d | 1050 | } |
a28c7e93 MK |
1051 | input_report_key(input, keycode, 1); |
1052 | input_sync(input); | |
1053 | vdbg_printk(FUJLAPTOP_DBG_TRACE, | |
1054 | "Push keycode into ringbuffer [%d]\n", keycode); | |
2451d19d MK |
1055 | } |
1056 | ||
6942eabc | 1057 | static void acpi_fujitsu_laptop_release(void) |
2451d19d | 1058 | { |
6942eabc | 1059 | struct input_dev *input = fujitsu_laptop->input; |
2451d19d MK |
1060 | int keycode, status; |
1061 | ||
29544f03 | 1062 | while (true) { |
6942eabc | 1063 | status = kfifo_out_locked(&fujitsu_laptop->fifo, |
2451d19d MK |
1064 | (unsigned char *)&keycode, |
1065 | sizeof(keycode), | |
6942eabc | 1066 | &fujitsu_laptop->fifo_lock); |
29544f03 MK |
1067 | if (status != sizeof(keycode)) |
1068 | return; | |
2451d19d MK |
1069 | input_report_key(input, keycode, 0); |
1070 | input_sync(input); | |
1071 | vdbg_printk(FUJLAPTOP_DBG_TRACE, | |
1072 | "Pop keycode from ringbuffer [%d]\n", keycode); | |
1073 | } | |
1074 | } | |
1075 | ||
6942eabc | 1076 | static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event) |
20b93734 JW |
1077 | { |
1078 | struct input_dev *input; | |
2451d19d | 1079 | int keycode; |
20b93734 | 1080 | unsigned int irb = 1; |
2451d19d | 1081 | int i; |
20b93734 | 1082 | |
6942eabc | 1083 | input = fujitsu_laptop->input; |
20b93734 | 1084 | |
eb357cba MK |
1085 | if (event != ACPI_FUJITSU_NOTIFY_CODE1) { |
1086 | keycode = KEY_UNKNOWN; | |
1087 | vdbg_printk(FUJLAPTOP_DBG_WARN, | |
1088 | "Unsupported event [0x%x]\n", event); | |
1089 | input_report_key(input, keycode, 1); | |
1090 | input_sync(input); | |
1091 | input_report_key(input, keycode, 0); | |
1092 | input_sync(input); | |
1093 | return; | |
1094 | } | |
1095 | ||
8ef27bd3 AJ |
1096 | if (fujitsu_laptop->flags_supported) |
1097 | fujitsu_laptop->flags_state = | |
1098 | call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0); | |
20b93734 | 1099 | |
eb357cba MK |
1100 | i = 0; |
1101 | while ((irb = | |
1102 | call_fext_func(FUNC_BUTTONS, 0x1, 0x0, 0x0)) != 0 | |
1103 | && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) { | |
1104 | switch (irb & 0x4ff) { | |
1105 | case KEY1_CODE: | |
9fc5cf6e | 1106 | keycode = fujitsu_bl->keycode1; |
eb357cba MK |
1107 | break; |
1108 | case KEY2_CODE: | |
9fc5cf6e | 1109 | keycode = fujitsu_bl->keycode2; |
eb357cba MK |
1110 | break; |
1111 | case KEY3_CODE: | |
9fc5cf6e | 1112 | keycode = fujitsu_bl->keycode3; |
eb357cba MK |
1113 | break; |
1114 | case KEY4_CODE: | |
9fc5cf6e | 1115 | keycode = fujitsu_bl->keycode4; |
eb357cba MK |
1116 | break; |
1117 | case KEY5_CODE: | |
9fc5cf6e | 1118 | keycode = fujitsu_bl->keycode5; |
eb357cba MK |
1119 | break; |
1120 | case 0: | |
1121 | keycode = 0; | |
1122 | break; | |
1123 | default: | |
1124 | vdbg_printk(FUJLAPTOP_DBG_WARN, | |
1125 | "Unknown GIRB result [%x]\n", irb); | |
1126 | keycode = -1; | |
1127 | break; | |
1128 | } | |
2451d19d MK |
1129 | |
1130 | if (keycode > 0) | |
6942eabc | 1131 | acpi_fujitsu_laptop_press(keycode); |
2451d19d | 1132 | else if (keycode == 0) |
6942eabc | 1133 | acpi_fujitsu_laptop_release(); |
eb357cba | 1134 | } |
20b93734 | 1135 | |
eb357cba MK |
1136 | /* On some models (first seen on the Skylake-based Lifebook |
1137 | * E736/E746/E756), the touchpad toggle hotkey (Fn+F4) is | |
8ef27bd3 | 1138 | * handled in software; its state is queried using FUNC_FLAGS |
eb357cba | 1139 | */ |
8ef27bd3 AJ |
1140 | if ((fujitsu_laptop->flags_supported & BIT(26)) && |
1141 | (call_fext_func(FUNC_FLAGS, 0x1, 0x0, 0x0) & BIT(26))) { | |
eb357cba | 1142 | keycode = KEY_TOUCHPAD_TOGGLE; |
20b93734 JW |
1143 | input_report_key(input, keycode, 1); |
1144 | input_sync(input); | |
1145 | input_report_key(input, keycode, 0); | |
1146 | input_sync(input); | |
20b93734 | 1147 | } |
eb357cba | 1148 | |
20b93734 JW |
1149 | } |
1150 | ||
1151 | /* Initialization */ | |
1152 | ||
9fc5cf6e AJ |
1153 | static const struct acpi_device_id fujitsu_bl_device_ids[] = { |
1154 | {ACPI_FUJITSU_BL_HID, 0}, | |
d0482533 JW |
1155 | {"", 0}, |
1156 | }; | |
1157 | ||
9fc5cf6e AJ |
1158 | static struct acpi_driver acpi_fujitsu_bl_driver = { |
1159 | .name = ACPI_FUJITSU_BL_DRIVER_NAME, | |
d0482533 | 1160 | .class = ACPI_FUJITSU_CLASS, |
9fc5cf6e | 1161 | .ids = fujitsu_bl_device_ids, |
d0482533 | 1162 | .ops = { |
9fc5cf6e AJ |
1163 | .add = acpi_fujitsu_bl_add, |
1164 | .remove = acpi_fujitsu_bl_remove, | |
1165 | .notify = acpi_fujitsu_bl_notify, | |
d0482533 JW |
1166 | }, |
1167 | }; | |
1168 | ||
6942eabc AJ |
1169 | static const struct acpi_device_id fujitsu_laptop_device_ids[] = { |
1170 | {ACPI_FUJITSU_LAPTOP_HID, 0}, | |
20b93734 JW |
1171 | {"", 0}, |
1172 | }; | |
1173 | ||
6942eabc AJ |
1174 | static struct acpi_driver acpi_fujitsu_laptop_driver = { |
1175 | .name = ACPI_FUJITSU_LAPTOP_DRIVER_NAME, | |
20b93734 | 1176 | .class = ACPI_FUJITSU_CLASS, |
6942eabc | 1177 | .ids = fujitsu_laptop_device_ids, |
20b93734 | 1178 | .ops = { |
6942eabc AJ |
1179 | .add = acpi_fujitsu_laptop_add, |
1180 | .remove = acpi_fujitsu_laptop_remove, | |
1181 | .notify = acpi_fujitsu_laptop_notify, | |
20b93734 JW |
1182 | }, |
1183 | }; | |
d0482533 | 1184 | |
49901414 | 1185 | static const struct acpi_device_id fujitsu_ids[] __used = { |
9fc5cf6e | 1186 | {ACPI_FUJITSU_BL_HID, 0}, |
6942eabc | 1187 | {ACPI_FUJITSU_LAPTOP_HID, 0}, |
49901414 ZR |
1188 | {"", 0} |
1189 | }; | |
1190 | MODULE_DEVICE_TABLE(acpi, fujitsu_ids); | |
1191 | ||
d0482533 JW |
1192 | static int __init fujitsu_init(void) |
1193 | { | |
20b93734 | 1194 | int ret, result, max_brightness; |
d0482533 JW |
1195 | |
1196 | if (acpi_disabled) | |
1197 | return -ENODEV; | |
1198 | ||
9fc5cf6e AJ |
1199 | fujitsu_bl = kzalloc(sizeof(struct fujitsu_bl), GFP_KERNEL); |
1200 | if (!fujitsu_bl) | |
d0482533 | 1201 | return -ENOMEM; |
9fc5cf6e AJ |
1202 | fujitsu_bl->keycode1 = KEY_PROG1; |
1203 | fujitsu_bl->keycode2 = KEY_PROG2; | |
1204 | fujitsu_bl->keycode3 = KEY_PROG3; | |
1205 | fujitsu_bl->keycode4 = KEY_PROG4; | |
1206 | fujitsu_bl->keycode5 = KEY_RFKILL; | |
0e6a66e9 | 1207 | dmi_check_system(fujitsu_dmi_table); |
d0482533 | 1208 | |
9fc5cf6e | 1209 | result = acpi_bus_register_driver(&acpi_fujitsu_bl_driver); |
d0482533 JW |
1210 | if (result < 0) { |
1211 | ret = -ENODEV; | |
1212 | goto fail_acpi; | |
1213 | } | |
1214 | ||
d0482533 JW |
1215 | /* Register platform stuff */ |
1216 | ||
9fc5cf6e AJ |
1217 | fujitsu_bl->pf_device = platform_device_alloc("fujitsu-laptop", -1); |
1218 | if (!fujitsu_bl->pf_device) { | |
d0482533 JW |
1219 | ret = -ENOMEM; |
1220 | goto fail_platform_driver; | |
1221 | } | |
1222 | ||
9fc5cf6e | 1223 | ret = platform_device_add(fujitsu_bl->pf_device); |
d0482533 JW |
1224 | if (ret) |
1225 | goto fail_platform_device1; | |
1226 | ||
1227 | ret = | |
9fc5cf6e | 1228 | sysfs_create_group(&fujitsu_bl->pf_device->dev.kobj, |
16506026 | 1229 | &fujitsu_pf_attribute_group); |
d0482533 JW |
1230 | if (ret) |
1231 | goto fail_platform_device2; | |
1232 | ||
20b93734 JW |
1233 | /* Register backlight stuff */ |
1234 | ||
413226f7 | 1235 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { |
a19a6ee6 MG |
1236 | struct backlight_properties props; |
1237 | ||
1238 | memset(&props, 0, sizeof(struct backlight_properties)); | |
9fc5cf6e | 1239 | max_brightness = fujitsu_bl->max_brightness; |
bb7ca747 | 1240 | props.type = BACKLIGHT_PLATFORM; |
a19a6ee6 | 1241 | props.max_brightness = max_brightness - 1; |
9fc5cf6e AJ |
1242 | fujitsu_bl->bl_device = backlight_device_register("fujitsu-laptop", |
1243 | NULL, NULL, | |
1244 | &fujitsu_bl_ops, | |
1245 | &props); | |
1246 | if (IS_ERR(fujitsu_bl->bl_device)) { | |
1247 | ret = PTR_ERR(fujitsu_bl->bl_device); | |
1248 | fujitsu_bl->bl_device = NULL; | |
72afeeaf BZ |
1249 | goto fail_sysfs_group; |
1250 | } | |
9fc5cf6e | 1251 | fujitsu_bl->bl_device->props.brightness = fujitsu_bl->brightness_level; |
7d5c89a6 | 1252 | } |
20b93734 | 1253 | |
16506026 | 1254 | ret = platform_driver_register(&fujitsu_pf_driver); |
20b93734 JW |
1255 | if (ret) |
1256 | goto fail_backlight; | |
1257 | ||
6942eabc | 1258 | /* Register laptop driver */ |
20b93734 | 1259 | |
6942eabc AJ |
1260 | fujitsu_laptop = kzalloc(sizeof(struct fujitsu_laptop), GFP_KERNEL); |
1261 | if (!fujitsu_laptop) { | |
20b93734 | 1262 | ret = -ENOMEM; |
6942eabc | 1263 | goto fail_laptop; |
20b93734 | 1264 | } |
20b93734 | 1265 | |
6942eabc | 1266 | result = acpi_bus_register_driver(&acpi_fujitsu_laptop_driver); |
20b93734 JW |
1267 | if (result < 0) { |
1268 | ret = -ENODEV; | |
6942eabc | 1269 | goto fail_laptop1; |
20b93734 JW |
1270 | } |
1271 | ||
3a407086 | 1272 | /* Sync backlight power status (needs FUJ02E3 device, hence deferred) */ |
413226f7 | 1273 | if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { |
3a407086 | 1274 | if (call_fext_func(FUNC_BACKLIGHT, 0x2, 0x4, 0x0) == 3) |
9fc5cf6e | 1275 | fujitsu_bl->bl_device->props.power = FB_BLANK_POWERDOWN; |
3a407086 | 1276 | else |
9fc5cf6e | 1277 | fujitsu_bl->bl_device->props.power = FB_BLANK_UNBLANK; |
3a407086 TV |
1278 | } |
1279 | ||
77bad7c8 | 1280 | pr_info("driver " FUJITSU_DRIVER_VERSION " successfully loaded\n"); |
d0482533 JW |
1281 | |
1282 | return 0; | |
1283 | ||
6942eabc AJ |
1284 | fail_laptop1: |
1285 | kfree(fujitsu_laptop); | |
1286 | fail_laptop: | |
16506026 | 1287 | platform_driver_unregister(&fujitsu_pf_driver); |
20b93734 | 1288 | fail_backlight: |
9fc5cf6e | 1289 | backlight_device_unregister(fujitsu_bl->bl_device); |
72afeeaf | 1290 | fail_sysfs_group: |
9fc5cf6e | 1291 | sysfs_remove_group(&fujitsu_bl->pf_device->dev.kobj, |
16506026 | 1292 | &fujitsu_pf_attribute_group); |
20b93734 | 1293 | fail_platform_device2: |
9fc5cf6e | 1294 | platform_device_del(fujitsu_bl->pf_device); |
20b93734 | 1295 | fail_platform_device1: |
9fc5cf6e | 1296 | platform_device_put(fujitsu_bl->pf_device); |
20b93734 | 1297 | fail_platform_driver: |
9fc5cf6e | 1298 | acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver); |
20b93734 | 1299 | fail_acpi: |
9fc5cf6e | 1300 | kfree(fujitsu_bl); |
d0482533 JW |
1301 | |
1302 | return ret; | |
1303 | } | |
1304 | ||
1305 | static void __exit fujitsu_cleanup(void) | |
1306 | { | |
6942eabc | 1307 | acpi_bus_unregister_driver(&acpi_fujitsu_laptop_driver); |
3a407086 | 1308 | |
6942eabc | 1309 | kfree(fujitsu_laptop); |
3a407086 | 1310 | |
16506026 | 1311 | platform_driver_unregister(&fujitsu_pf_driver); |
72afeeaf | 1312 | |
9fc5cf6e | 1313 | backlight_device_unregister(fujitsu_bl->bl_device); |
d0482533 | 1314 | |
9fc5cf6e | 1315 | sysfs_remove_group(&fujitsu_bl->pf_device->dev.kobj, |
16506026 | 1316 | &fujitsu_pf_attribute_group); |
d0482533 | 1317 | |
9fc5cf6e | 1318 | platform_device_unregister(fujitsu_bl->pf_device); |
d0482533 | 1319 | |
9fc5cf6e | 1320 | acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver); |
20b93734 | 1321 | |
9fc5cf6e | 1322 | kfree(fujitsu_bl); |
20b93734 | 1323 | |
77bad7c8 | 1324 | pr_info("driver unloaded\n"); |
d0482533 JW |
1325 | } |
1326 | ||
1327 | module_init(fujitsu_init); | |
1328 | module_exit(fujitsu_cleanup); | |
1329 | ||
20b93734 JW |
1330 | module_param(use_alt_lcd_levels, uint, 0644); |
1331 | MODULE_PARM_DESC(use_alt_lcd_levels, | |
1332 | "Use alternative interface for lcd_levels (needed for Lifebook s6410)."); | |
20b93734 JW |
1333 | module_param(disable_brightness_adjust, uint, 0644); |
1334 | MODULE_PARM_DESC(disable_brightness_adjust, "Disable brightness adjustment ."); | |
1335 | #ifdef CONFIG_FUJITSU_LAPTOP_DEBUG | |
1336 | module_param_named(debug, dbg_level, uint, 0644); | |
1337 | MODULE_PARM_DESC(debug, "Sets debug level bit-mask"); | |
1338 | #endif | |
1339 | ||
3a407086 | 1340 | MODULE_AUTHOR("Jonathan Woithe, Peter Gruber, Tony Vroon"); |
d0482533 JW |
1341 | MODULE_DESCRIPTION("Fujitsu laptop extras support"); |
1342 | MODULE_VERSION(FUJITSU_DRIVER_VERSION); | |
1343 | MODULE_LICENSE("GPL"); | |
a361a82c | 1344 | |
0e6a66e9 | 1345 | MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*"); |
3a407086 | 1346 | MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1E6:*:cvrS6420:*"); |
0e6a66e9 | 1347 | MODULE_ALIAS("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*"); |