2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
10 * The SNY6001 driver part is based on the sonypi driver which includes
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
17 * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
47 #include <linux/kernel.h>
48 #include <linux/module.h>
49 #include <linux/moduleparam.h>
50 #include <linux/init.h>
51 #include <linux/types.h>
52 #include <linux/backlight.h>
53 #include <linux/platform_device.h>
54 #include <linux/err.h>
55 #include <linux/dmi.h>
56 #include <linux/pci.h>
57 #include <linux/interrupt.h>
58 #include <linux/delay.h>
59 #include <linux/input.h>
60 #include <linux/kfifo.h>
61 #include <linux/workqueue.h>
62 #include <linux/acpi.h>
63 #include <linux/slab.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
71 #include <asm/uaccess.h>
72 #include <acpi/video.h>
74 #define dprintk(fmt, ...) \
77 pr_warn(fmt, ##__VA_ARGS__); \
80 #define SONY_NC_CLASS "sony-nc"
81 #define SONY_NC_HID "SNY5001"
82 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
84 #define SONY_PIC_CLASS "sony-pic"
85 #define SONY_PIC_HID "SNY6001"
86 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
90 MODULE_LICENSE("GPL");
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
97 static int no_spic; /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
102 static int compat; /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
112 static int camera; /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
126 static int kbd_backlight = -1;
127 module_param(kbd_backlight, int, 0444);
128 MODULE_PARM_DESC(kbd_backlight,
129 "set this to 0 to disable keyboard backlight, "
130 "1 to enable it with automatic control and 2 to have it always "
131 "on (default: no change from current value)");
133 static int kbd_backlight_timeout = -1;
134 module_param(kbd_backlight_timeout, int, 0444);
135 MODULE_PARM_DESC(kbd_backlight_timeout,
136 "meaningful values vary from 0 to 3 and their meaning depends "
137 "on the model (default: no change from current value)");
139 #ifdef CONFIG_PM_SLEEP
140 static void sony_nc_thermal_resume(void);
142 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
143 unsigned int handle);
144 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
145 unsigned int handle);
147 static int sony_nc_battery_care_setup(struct platform_device *pd,
148 unsigned int handle);
149 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
151 static int sony_nc_thermal_setup(struct platform_device *pd);
152 static void sony_nc_thermal_cleanup(struct platform_device *pd);
154 static int sony_nc_lid_resume_setup(struct platform_device *pd,
155 unsigned int handle);
156 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
158 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
159 unsigned int handle);
160 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
161 static int __sony_nc_gfx_switch_status_get(void);
163 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
164 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
166 static int sony_nc_lowbatt_setup(struct platform_device *pd);
167 static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
169 static int sony_nc_fanspeed_setup(struct platform_device *pd);
170 static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
172 static int sony_nc_usb_charge_setup(struct platform_device *pd);
173 static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
175 static int sony_nc_panelid_setup(struct platform_device *pd);
176 static void sony_nc_panelid_cleanup(struct platform_device *pd);
178 static int sony_nc_smart_conn_setup(struct platform_device *pd);
179 static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
181 static int sony_nc_touchpad_setup(struct platform_device *pd,
182 unsigned int handle);
183 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
185 enum sony_nc_rfkill {
193 static int sony_rfkill_handle;
194 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
195 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
196 static int sony_nc_rfkill_setup(struct acpi_device *device,
197 unsigned int handle);
198 static void sony_nc_rfkill_cleanup(void);
199 static void sony_nc_rfkill_update(void);
201 /*********** Input Devices ***********/
203 #define SONY_LAPTOP_BUF_SIZE 128
204 struct sony_laptop_input_s {
206 struct input_dev *jog_dev;
207 struct input_dev *key_dev;
209 spinlock_t fifo_lock;
210 struct timer_list release_key_timer;
213 static struct sony_laptop_input_s sony_laptop_input = {
214 .users = ATOMIC_INIT(0),
217 struct sony_laptop_keypress {
218 struct input_dev *dev;
222 /* Correspondance table between sonypi events
223 * and input layer indexes in the keymap
225 static int sony_laptop_input_index[] = {
227 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
228 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
229 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
230 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
231 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
232 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
233 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
234 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
235 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
236 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
237 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
238 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
239 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
240 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
241 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
242 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
243 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
244 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
245 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
246 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
247 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
248 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
249 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
250 17, /* 24 SONYPI_EVENT_FNKEY_1 */
251 18, /* 25 SONYPI_EVENT_FNKEY_2 */
252 19, /* 26 SONYPI_EVENT_FNKEY_D */
253 20, /* 27 SONYPI_EVENT_FNKEY_E */
254 21, /* 28 SONYPI_EVENT_FNKEY_F */
255 22, /* 29 SONYPI_EVENT_FNKEY_S */
256 23, /* 30 SONYPI_EVENT_FNKEY_B */
257 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
258 25, /* 32 SONYPI_EVENT_PKEY_P1 */
259 26, /* 33 SONYPI_EVENT_PKEY_P2 */
260 27, /* 34 SONYPI_EVENT_PKEY_P3 */
261 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
262 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
263 -1, /* 37 SONYPI_EVENT_LID_OPENED */
264 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
265 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
266 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
267 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
268 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
269 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
270 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
271 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
272 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
273 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
274 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
275 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
276 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
277 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
278 43, /* 52 SONYPI_EVENT_MEYE_FACE */
279 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
280 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
281 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
282 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
283 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
284 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
285 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
286 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
287 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
288 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
289 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
290 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
291 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
292 53, /* 66 SONYPI_EVENT_PKEY_P4 */
293 54, /* 67 SONYPI_EVENT_PKEY_P5 */
294 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
295 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
296 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
297 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
298 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
299 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
302 static int sony_laptop_input_keycode_map[] = {
303 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
304 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
305 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
306 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
307 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
308 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
309 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
310 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
311 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
312 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
313 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
314 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
315 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
316 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
317 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
318 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
319 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
320 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
321 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
322 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
323 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
324 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
325 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
326 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
327 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
328 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
329 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
330 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
331 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
332 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
333 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
334 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
335 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
336 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
337 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
338 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
339 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
340 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
341 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
342 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
343 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
344 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
345 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
346 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
347 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
348 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
349 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
350 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
351 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
352 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
353 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
354 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
355 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
356 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
357 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
358 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
359 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
360 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
361 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
362 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
365 /* release buttons after a short delay if pressed */
366 static void do_sony_laptop_release_key(unsigned long unused)
368 struct sony_laptop_keypress kp;
371 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
373 if (kfifo_out(&sony_laptop_input.fifo,
374 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
375 input_report_key(kp.dev, kp.key, 0);
379 /* If there is something in the fifo schedule next release. */
380 if (kfifo_len(&sony_laptop_input.fifo) != 0)
381 mod_timer(&sony_laptop_input.release_key_timer,
382 jiffies + msecs_to_jiffies(10));
384 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
387 /* forward event to the input subsystem */
388 static void sony_laptop_report_input_event(u8 event)
390 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
391 struct input_dev *key_dev = sony_laptop_input.key_dev;
392 struct sony_laptop_keypress kp = { NULL };
395 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
396 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
397 /* Nothing, not all VAIOs generate this event */
404 case SONYPI_EVENT_JOGDIAL_UP:
405 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
406 input_report_rel(jog_dev, REL_WHEEL, 1);
410 case SONYPI_EVENT_JOGDIAL_DOWN:
411 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
412 input_report_rel(jog_dev, REL_WHEEL, -1);
417 case SONYPI_EVENT_JOGDIAL_PRESSED:
423 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
424 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
427 if ((scancode = sony_laptop_input_index[event]) != -1) {
428 kp.key = sony_laptop_input_keycode_map[scancode];
429 if (kp.key != KEY_UNKNOWN)
436 /* if we have a scancode we emit it so we can always
439 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
440 input_report_key(kp.dev, kp.key, 1);
443 /* schedule key release */
444 kfifo_in_locked(&sony_laptop_input.fifo,
445 (unsigned char *)&kp, sizeof(kp),
446 &sony_laptop_input.fifo_lock);
447 mod_timer(&sony_laptop_input.release_key_timer,
448 jiffies + msecs_to_jiffies(10));
450 dprintk("unknown input event %.2x\n", event);
453 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
455 struct input_dev *jog_dev;
456 struct input_dev *key_dev;
460 /* don't run again if already initialized */
461 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
465 spin_lock_init(&sony_laptop_input.fifo_lock);
466 error = kfifo_alloc(&sony_laptop_input.fifo,
467 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
469 pr_err("kfifo_alloc failed\n");
473 setup_timer(&sony_laptop_input.release_key_timer,
474 do_sony_laptop_release_key, 0);
477 key_dev = input_allocate_device();
483 key_dev->name = "Sony Vaio Keys";
484 key_dev->id.bustype = BUS_ISA;
485 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
486 key_dev->dev.parent = &acpi_device->dev;
488 /* Initialize the Input Drivers: special keys */
489 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
491 __set_bit(EV_KEY, key_dev->evbit);
492 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
493 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
494 key_dev->keycode = &sony_laptop_input_keycode_map;
495 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
496 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
497 __clear_bit(KEY_RESERVED, key_dev->keybit);
499 error = input_register_device(key_dev);
501 goto err_free_keydev;
503 sony_laptop_input.key_dev = key_dev;
506 jog_dev = input_allocate_device();
509 goto err_unregister_keydev;
512 jog_dev->name = "Sony Vaio Jogdial";
513 jog_dev->id.bustype = BUS_ISA;
514 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
515 jog_dev->dev.parent = &acpi_device->dev;
517 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
518 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
520 error = input_register_device(jog_dev);
522 goto err_free_jogdev;
524 sony_laptop_input.jog_dev = jog_dev;
529 input_free_device(jog_dev);
531 err_unregister_keydev:
532 input_unregister_device(key_dev);
533 /* to avoid kref underflow below at input_free_device */
537 input_free_device(key_dev);
540 kfifo_free(&sony_laptop_input.fifo);
543 atomic_dec(&sony_laptop_input.users);
547 static void sony_laptop_remove_input(void)
549 struct sony_laptop_keypress kp = { NULL };
551 /* Cleanup only after the last user has gone */
552 if (!atomic_dec_and_test(&sony_laptop_input.users))
555 del_timer_sync(&sony_laptop_input.release_key_timer);
558 * Generate key-up events for remaining keys. Note that we don't
559 * need locking since nobody is adding new events to the kfifo.
561 while (kfifo_out(&sony_laptop_input.fifo,
562 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
563 input_report_key(kp.dev, kp.key, 0);
567 /* destroy input devs */
568 input_unregister_device(sony_laptop_input.key_dev);
569 sony_laptop_input.key_dev = NULL;
571 if (sony_laptop_input.jog_dev) {
572 input_unregister_device(sony_laptop_input.jog_dev);
573 sony_laptop_input.jog_dev = NULL;
576 kfifo_free(&sony_laptop_input.fifo);
579 /*********** Platform Device ***********/
581 static atomic_t sony_pf_users = ATOMIC_INIT(0);
582 static struct platform_driver sony_pf_driver = {
584 .name = "sony-laptop",
587 static struct platform_device *sony_pf_device;
589 static int sony_pf_add(void)
593 /* don't run again if already initialized */
594 if (atomic_add_return(1, &sony_pf_users) > 1)
597 ret = platform_driver_register(&sony_pf_driver);
601 sony_pf_device = platform_device_alloc("sony-laptop", -1);
602 if (!sony_pf_device) {
604 goto out_platform_registered;
607 ret = platform_device_add(sony_pf_device);
609 goto out_platform_alloced;
613 out_platform_alloced:
614 platform_device_put(sony_pf_device);
615 sony_pf_device = NULL;
616 out_platform_registered:
617 platform_driver_unregister(&sony_pf_driver);
619 atomic_dec(&sony_pf_users);
623 static void sony_pf_remove(void)
625 /* deregister only after the last user has gone */
626 if (!atomic_dec_and_test(&sony_pf_users))
629 platform_device_unregister(sony_pf_device);
630 platform_driver_unregister(&sony_pf_driver);
633 /*********** SNC (SNY5001) Device ***********/
635 /* the device uses 1-based values, while the backlight subsystem uses
637 #define SONY_MAX_BRIGHTNESS 8
639 #define SNC_VALIDATE_IN 0
640 #define SNC_VALIDATE_OUT 1
642 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
644 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
645 const char *, size_t);
646 static int boolean_validate(const int, const int);
647 static int brightness_default_validate(const int, const int);
649 struct sony_nc_value {
650 char *name; /* name of the entry */
651 char **acpiget; /* names of the ACPI get function */
652 char **acpiset; /* names of the ACPI set function */
653 int (*validate)(const int, const int); /* input/output validation */
654 int value; /* current setting */
655 int valid; /* Has ever been set */
656 int debug; /* active only in debug mode ? */
657 struct device_attribute devattr; /* sysfs attribute */
660 #define SNC_HANDLE_NAMES(_name, _values...) \
661 static char *snc_##_name[] = { _values, NULL }
663 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
665 .name = __stringify(_name), \
666 .acpiget = _getters, \
667 .acpiset = _setters, \
668 .validate = _validate, \
670 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
673 #define SNC_HANDLE_NULL { .name = NULL }
675 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
677 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
678 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
680 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
681 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
683 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
684 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
686 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
687 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
689 SNC_HANDLE_NAMES(lidstate_get, "GLID");
691 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
692 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
694 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
695 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
697 SNC_HANDLE_NAMES(PID_get, "GPID");
699 SNC_HANDLE_NAMES(CTR_get, "GCTR");
700 SNC_HANDLE_NAMES(CTR_set, "SCTR");
702 SNC_HANDLE_NAMES(PCR_get, "GPCR");
703 SNC_HANDLE_NAMES(PCR_set, "SPCR");
705 SNC_HANDLE_NAMES(CMI_get, "GCMI");
706 SNC_HANDLE_NAMES(CMI_set, "SCMI");
708 static struct sony_nc_value sony_nc_values[] = {
709 SNC_HANDLE(brightness_default, snc_brightness_def_get,
710 snc_brightness_def_set, brightness_default_validate, 0),
711 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
712 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
713 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
714 boolean_validate, 0),
715 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
716 boolean_validate, 1),
717 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
718 boolean_validate, 0),
719 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
720 boolean_validate, 0),
721 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
722 boolean_validate, 0),
723 /* unknown methods */
724 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
725 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
726 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
727 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
731 static acpi_handle sony_nc_acpi_handle;
732 static struct acpi_device *sony_nc_acpi_device = NULL;
735 * acpi_evaluate_object wrappers
736 * all useful calls into SNC methods take one or zero parameters and return
737 * integers or arrays.
739 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
742 union acpi_object *result = NULL;
743 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
747 struct acpi_object_list params;
748 union acpi_object in;
749 in.type = ACPI_TYPE_INTEGER;
750 in.integer.value = *value;
752 params.pointer = ∈
753 status = acpi_evaluate_object(handle, method, ¶ms, &output);
754 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
755 (unsigned int)(*value >> 32),
756 (unsigned int)*value & 0xffffffff);
758 status = acpi_evaluate_object(handle, method, NULL, &output);
759 dprintk("__call_snc_method: [%s]\n", method);
762 if (ACPI_FAILURE(status)) {
763 pr_err("Failed to evaluate [%s]\n", method);
767 result = (union acpi_object *) output.pointer;
769 dprintk("No return object [%s]\n", method);
774 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
777 union acpi_object *object = NULL;
780 object = __call_snc_method(handle, name, &v);
782 object = __call_snc_method(handle, name, NULL);
787 if (object->type != ACPI_TYPE_INTEGER) {
788 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
789 ACPI_TYPE_INTEGER, object->type);
795 *result = object->integer.value;
801 #define MIN(a, b) (a > b ? b : a)
802 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
803 void *buffer, size_t buflen)
807 union acpi_object *object = __call_snc_method(handle, name, value);
812 if (object->type == ACPI_TYPE_BUFFER) {
813 len = MIN(buflen, object->buffer.length);
814 memcpy(buffer, object->buffer.pointer, len);
816 } else if (object->type == ACPI_TYPE_INTEGER) {
817 len = MIN(buflen, sizeof(object->integer.value));
818 memcpy(buffer, &object->integer.value, len);
821 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
822 ACPI_TYPE_BUFFER, object->type);
830 struct sony_nc_handles {
832 struct device_attribute devattr;
835 static struct sony_nc_handles *handles;
837 static ssize_t sony_nc_handles_show(struct device *dev,
838 struct device_attribute *attr, char *buffer)
843 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
844 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
847 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
852 static int sony_nc_handles_setup(struct platform_device *pd)
854 int i, r, result, arg;
856 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
860 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
862 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
865 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
867 handles->cap[i] = result;
872 sysfs_attr_init(&handles->devattr.attr);
873 handles->devattr.attr.name = "handles";
874 handles->devattr.attr.mode = S_IRUGO;
875 handles->devattr.show = sony_nc_handles_show;
877 /* allow reading capabilities via sysfs */
878 if (device_create_file(&pd->dev, &handles->devattr)) {
888 static int sony_nc_handles_cleanup(struct platform_device *pd)
892 device_remove_file(&pd->dev, &handles->devattr);
899 static int sony_find_snc_handle(int handle)
903 /* not initialized yet, return early */
904 if (!handles || !handle)
907 for (i = 0; i < 0x10; i++) {
908 if (handles->cap[i] == handle) {
909 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
914 dprintk("handle 0x%.4x not found\n", handle);
918 static int sony_call_snc_handle(int handle, int argument, int *result)
921 int offset = sony_find_snc_handle(handle);
926 arg = offset | argument;
927 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
928 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
933 * sony_nc_values input/output validate functions
936 /* brightness_default_validate:
938 * manipulate input output values to keep consistency with the
939 * backlight framework for which brightness values are 0-based.
941 static int brightness_default_validate(const int direction, const int value)
944 case SNC_VALIDATE_OUT:
946 case SNC_VALIDATE_IN:
947 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
955 * on input validate boolean values 0/1, on output just pass the
958 static int boolean_validate(const int direction, const int value)
960 if (direction == SNC_VALIDATE_IN) {
961 if (value != 0 && value != 1)
968 * Sysfs show/store common to all sony_nc_values
970 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
974 struct sony_nc_value *item =
975 container_of(attr, struct sony_nc_value, devattr);
980 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
986 value = item->validate(SNC_VALIDATE_OUT, value);
988 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
991 static ssize_t sony_nc_sysfs_store(struct device *dev,
992 struct device_attribute *attr,
993 const char *buffer, size_t count)
997 struct sony_nc_value *item =
998 container_of(attr, struct sony_nc_value, devattr);
1006 if (kstrtoint(buffer, 10, &value))
1010 value = item->validate(SNC_VALIDATE_IN, value);
1015 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1020 item->value = value;
1029 struct sony_backlight_props {
1030 struct backlight_device *dev;
1036 static struct sony_backlight_props sony_bl_props;
1038 static int sony_backlight_update_status(struct backlight_device *bd)
1040 int arg = bd->props.brightness + 1;
1041 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1044 static int sony_backlight_get_brightness(struct backlight_device *bd)
1048 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1050 /* brightness levels are 1-based, while backlight ones are 0-based */
1054 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1057 struct sony_backlight_props *sdev =
1058 (struct sony_backlight_props *)bl_get_data(bd);
1060 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1062 return (result & 0xff) - sdev->offset;
1065 static int sony_nc_update_status_ng(struct backlight_device *bd)
1068 struct sony_backlight_props *sdev =
1069 (struct sony_backlight_props *)bl_get_data(bd);
1071 value = bd->props.brightness + sdev->offset;
1072 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1079 static const struct backlight_ops sony_backlight_ops = {
1080 .options = BL_CORE_SUSPENDRESUME,
1081 .update_status = sony_backlight_update_status,
1082 .get_brightness = sony_backlight_get_brightness,
1084 static const struct backlight_ops sony_backlight_ng_ops = {
1085 .options = BL_CORE_SUSPENDRESUME,
1086 .update_status = sony_nc_update_status_ng,
1087 .get_brightness = sony_nc_get_brightness_ng,
1091 * New SNC-only Vaios event mapping to driver known keys
1093 struct sony_nc_event {
1098 static struct sony_nc_event sony_100_events[] = {
1099 { 0x90, SONYPI_EVENT_PKEY_P1 },
1100 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1101 { 0x91, SONYPI_EVENT_PKEY_P2 },
1102 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1103 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1104 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1106 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1108 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1110 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1111 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1112 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1113 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1114 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1115 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1116 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1117 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1118 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1119 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1120 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1121 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1122 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1123 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1124 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1125 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1126 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1127 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1128 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1129 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1130 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1132 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1134 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1136 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1138 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 { 0xa8, SONYPI_EVENT_FNKEY_1 },
1140 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
1144 static struct sony_nc_event sony_127_events[] = {
1145 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1146 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1147 { 0x82, SONYPI_EVENT_PKEY_P1 },
1148 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1149 { 0x83, SONYPI_EVENT_PKEY_P2 },
1150 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1151 { 0x84, SONYPI_EVENT_PKEY_P3 },
1152 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1153 { 0x85, SONYPI_EVENT_PKEY_P4 },
1154 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1155 { 0x86, SONYPI_EVENT_PKEY_P5 },
1156 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1157 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1158 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1162 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1165 unsigned int result = 0;
1166 struct sony_nc_event *key_event;
1168 if (sony_call_snc_handle(handle, 0x200, &result)) {
1169 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1176 if (handle == 0x0100)
1177 key_event = sony_100_events;
1179 key_event = sony_127_events;
1181 for (; key_event->data; key_event++) {
1182 if (key_event->data == result) {
1183 ret = key_event->event;
1188 if (!key_event->data)
1189 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1190 event, result, handle);
1203 static void sony_nc_notify(struct acpi_device *device, u32 event)
1205 u32 real_ev = event;
1207 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1209 if (event >= 0x90) {
1210 unsigned int result = 0;
1211 unsigned int arg = 0;
1212 unsigned int handle = 0;
1213 unsigned int offset = event - 0x90;
1215 if (offset >= ARRAY_SIZE(handles->cap)) {
1216 pr_err("Event 0x%x outside of capabilities list\n",
1220 handle = handles->cap[offset];
1222 /* list of handles known for generating events */
1228 real_ev = sony_nc_hotkeys_decode(event, handle);
1231 sony_laptop_report_input_event(real_ev);
1233 /* restore the original event for reporting */
1241 /* events on this handle are reported when the
1242 * switch changes position or for battery
1243 * events. We'll notify both of them but only
1244 * update the rfkill device status when the
1247 ev_type = KILLSWITCH;
1248 sony_call_snc_handle(handle, 0x0100, &result);
1249 real_ev = result & 0x03;
1251 /* hw switch event */
1253 sony_nc_rfkill_update();
1259 /* Hybrid GFX switching */
1260 sony_call_snc_handle(handle, 0x0000, &result);
1261 dprintk("GFX switch event received (reason: %s)\n",
1262 (result == 0x1) ? "switch change" :
1263 (result == 0x2) ? "output switch" :
1264 (result == 0x3) ? "output switch" :
1267 ev_type = GFX_SWITCH;
1268 real_ev = __sony_nc_gfx_switch_status_get();
1272 /* Hybrid GFX switching SVS151290S */
1273 ev_type = GFX_SWITCH;
1274 real_ev = __sony_nc_gfx_switch_status_get();
1277 dprintk("Unknown event 0x%x for handle 0x%x\n",
1282 /* clear the event (and the event reason when present) */
1284 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1287 /* old style event */
1289 sony_laptop_report_input_event(real_ev);
1291 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1292 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1295 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1296 void *context, void **return_value)
1298 struct acpi_device_info *info;
1300 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1301 pr_warn("method: name: %4.4s, args %X\n",
1302 (char *)&info->name, info->param_count);
1313 static void sony_nc_function_setup(struct acpi_device *device,
1314 struct platform_device *pf_device)
1316 unsigned int i, result, bitmask, arg;
1321 /* setup found handles here */
1322 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1323 unsigned int handle = handles->cap[i];
1328 dprintk("setting up handle 0x%.4x\n", handle);
1335 sony_call_snc_handle(handle, 0, &result);
1339 sony_call_snc_handle(handle, 0x100, &result);
1343 /* touchpad enable/disable */
1344 result = sony_nc_touchpad_setup(pf_device, handle);
1346 pr_err("couldn't set up touchpad control function (%d)\n",
1352 result = sony_nc_battery_care_setup(pf_device, handle);
1354 pr_err("couldn't set up battery care function (%d)\n",
1359 result = sony_nc_lid_resume_setup(pf_device, handle);
1361 pr_err("couldn't set up lid resume function (%d)\n",
1365 result = sony_nc_thermal_setup(pf_device);
1367 pr_err("couldn't set up thermal profile function (%d)\n",
1373 result = sony_nc_gfx_switch_setup(pf_device, handle);
1375 pr_err("couldn't set up GFX Switch status (%d)\n",
1379 result = sony_nc_highspeed_charging_setup(pf_device);
1381 pr_err("couldn't set up high speed charging function (%d)\n",
1386 result = sony_nc_rfkill_setup(device, handle);
1388 pr_err("couldn't set up rfkill support (%d)\n",
1396 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1398 pr_err("couldn't set up keyboard backlight function (%d)\n",
1402 result = sony_nc_lowbatt_setup(pf_device);
1404 pr_err("couldn't set up low battery function (%d)\n",
1408 result = sony_nc_fanspeed_setup(pf_device);
1410 pr_err("couldn't set up fan speed function (%d)\n",
1414 result = sony_nc_usb_charge_setup(pf_device);
1416 pr_err("couldn't set up USB charge support (%d)\n",
1420 result = sony_nc_panelid_setup(pf_device);
1422 pr_err("couldn't set up panel ID function (%d)\n",
1426 result = sony_nc_smart_conn_setup(pf_device);
1428 pr_err("couldn't set up smart connect support (%d)\n",
1436 /* Enable all events */
1438 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1439 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1443 static void sony_nc_function_cleanup(struct platform_device *pd)
1445 unsigned int i, result, bitmask, handle;
1447 /* get enabled events and disable them */
1448 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1449 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1451 /* cleanup handles here */
1452 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1454 handle = handles->cap[i];
1462 sony_nc_touchpad_cleanup(pd);
1467 sony_nc_battery_care_cleanup(pd);
1471 sony_nc_lid_resume_cleanup(pd);
1474 sony_nc_thermal_cleanup(pd);
1479 sony_nc_gfx_switch_cleanup(pd);
1482 sony_nc_highspeed_charging_cleanup(pd);
1486 sony_nc_rfkill_cleanup();
1493 sony_nc_kbd_backlight_cleanup(pd, handle);
1496 sony_nc_lowbatt_cleanup(pd);
1499 sony_nc_fanspeed_cleanup(pd);
1502 sony_nc_usb_charge_cleanup(pd);
1505 sony_nc_panelid_cleanup(pd);
1508 sony_nc_smart_conn_cleanup(pd);
1515 /* finally cleanup the handles list */
1516 sony_nc_handles_cleanup(pd);
1519 #ifdef CONFIG_PM_SLEEP
1520 static void sony_nc_function_resume(void)
1522 unsigned int i, result, bitmask, arg;
1524 dprintk("Resuming SNC device\n");
1526 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1527 unsigned int handle = handles->cap[i];
1536 /* re-enable hotkeys */
1537 sony_call_snc_handle(handle, 0, &result);
1540 /* re-enable hotkeys */
1541 sony_call_snc_handle(handle, 0x100, &result);
1544 sony_nc_thermal_resume();
1548 sony_nc_rfkill_update();
1555 /* Enable all events */
1557 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1558 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1562 static int sony_nc_resume(struct device *dev)
1564 struct sony_nc_value *item;
1566 for (item = sony_nc_values; item->name; item++) {
1571 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1572 &item->value, NULL);
1574 pr_err("%s: %d\n", __func__, ret);
1579 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1581 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1582 dprintk("ECON Method failed\n");
1585 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1586 sony_nc_function_resume();
1592 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1594 static void sony_nc_rfkill_cleanup(void)
1598 for (i = 0; i < N_SONY_RFKILL; i++) {
1599 if (sony_rfkill_devices[i]) {
1600 rfkill_unregister(sony_rfkill_devices[i]);
1601 rfkill_destroy(sony_rfkill_devices[i]);
1606 static int sony_nc_rfkill_set(void *data, bool blocked)
1609 int argument = sony_rfkill_address[(long) data] + 0x100;
1612 argument |= 0x070000;
1614 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1617 static const struct rfkill_ops sony_rfkill_ops = {
1618 .set_block = sony_nc_rfkill_set,
1621 static int sony_nc_setup_rfkill(struct acpi_device *device,
1622 enum sony_nc_rfkill nc_type)
1626 enum rfkill_type type;
1629 bool hwblock, swblock;
1633 type = RFKILL_TYPE_WLAN;
1636 case SONY_BLUETOOTH:
1637 type = RFKILL_TYPE_BLUETOOTH;
1638 name = "sony-bluetooth";
1641 type = RFKILL_TYPE_WWAN;
1645 type = RFKILL_TYPE_WIMAX;
1646 name = "sony-wimax";
1652 rfk = rfkill_alloc(name, &device->dev, type,
1653 &sony_rfkill_ops, (void *)nc_type);
1657 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1658 rfkill_destroy(rfk);
1661 hwblock = !(result & 0x1);
1663 if (sony_call_snc_handle(sony_rfkill_handle,
1664 sony_rfkill_address[nc_type],
1666 rfkill_destroy(rfk);
1669 swblock = !(result & 0x2);
1671 rfkill_init_sw_state(rfk, swblock);
1672 rfkill_set_hw_state(rfk, hwblock);
1674 err = rfkill_register(rfk);
1676 rfkill_destroy(rfk);
1679 sony_rfkill_devices[nc_type] = rfk;
1683 static void sony_nc_rfkill_update(void)
1685 enum sony_nc_rfkill i;
1689 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1690 hwblock = !(result & 0x1);
1692 for (i = 0; i < N_SONY_RFKILL; i++) {
1693 int argument = sony_rfkill_address[i];
1695 if (!sony_rfkill_devices[i])
1699 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1700 /* we already know we're blocked */
1705 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1706 rfkill_set_states(sony_rfkill_devices[i],
1707 !(result & 0x2), false);
1711 static int sony_nc_rfkill_setup(struct acpi_device *device,
1712 unsigned int handle)
1716 unsigned char buffer[32] = { 0 };
1718 offset = sony_find_snc_handle(handle);
1719 sony_rfkill_handle = handle;
1721 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1726 /* The buffer is filled with magic numbers describing the devices
1727 * available, 0xff terminates the enumeration.
1731 * 0x20 WWAN GPRS-EDGE
1735 * 0x25 Gobi WWAN no GPS
1736 * 0x26 Gobi WWAN + GPS
1737 * 0x28 Gobi WWAN no GPS
1738 * 0x29 Gobi WWAN + GPS
1740 * 0x50 Gobi WWAN no GPS
1741 * 0x51 Gobi WWAN + GPS
1742 * 0x70 no SIM card slot
1743 * 0x71 SIM card slot
1745 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1747 if (buffer[i] == 0xff)
1750 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1752 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1753 sony_nc_setup_rfkill(device, SONY_WIFI);
1755 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1756 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1758 if (((0xf0 & buffer[i]) == 0x20 ||
1759 (0xf0 & buffer[i]) == 0x50) &&
1760 !sony_rfkill_devices[SONY_WWAN])
1761 sony_nc_setup_rfkill(device, SONY_WWAN);
1763 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1764 sony_nc_setup_rfkill(device, SONY_WIMAX);
1769 /* Keyboard backlight feature */
1770 struct kbd_backlight {
1771 unsigned int handle;
1774 unsigned int timeout;
1775 struct device_attribute mode_attr;
1776 struct device_attribute timeout_attr;
1779 static struct kbd_backlight *kbdbl_ctl;
1781 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1788 if (sony_call_snc_handle(kbdbl_ctl->handle,
1789 (value << 0x10) | (kbdbl_ctl->base), &result))
1792 /* Try to turn the light on/off immediately */
1794 sony_call_snc_handle(kbdbl_ctl->handle,
1795 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1798 kbdbl_ctl->mode = value;
1803 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1804 struct device_attribute *attr,
1805 const char *buffer, size_t count)
1808 unsigned long value;
1813 if (kstrtoul(buffer, 10, &value))
1816 ret = __sony_nc_kbd_backlight_mode_set(value);
1823 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1824 struct device_attribute *attr, char *buffer)
1827 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1831 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1838 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1839 (kbdbl_ctl->base + 0x200), &result))
1842 kbdbl_ctl->timeout = value;
1847 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1848 struct device_attribute *attr,
1849 const char *buffer, size_t count)
1852 unsigned long value;
1857 if (kstrtoul(buffer, 10, &value))
1860 ret = __sony_nc_kbd_backlight_timeout_set(value);
1867 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1868 struct device_attribute *attr, char *buffer)
1871 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1875 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1876 unsigned int handle)
1882 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1883 handle, kbdbl_ctl->handle);
1887 /* verify the kbd backlight presence, these handles are not used for
1888 * keyboard backlight only
1890 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1895 if ((handle == 0x0137 && !(result & 0x02)) ||
1897 dprintk("no backlight keyboard found\n");
1901 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1905 kbdbl_ctl->mode = kbd_backlight;
1906 kbdbl_ctl->timeout = kbd_backlight_timeout;
1907 kbdbl_ctl->handle = handle;
1908 if (handle == 0x0137)
1909 kbdbl_ctl->base = 0x0C00;
1911 kbdbl_ctl->base = 0x4000;
1913 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1914 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1915 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1916 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1917 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1919 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1920 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1921 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1922 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1923 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1925 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1929 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1933 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1934 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1939 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1946 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1947 unsigned int handle)
1949 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1950 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1951 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1957 struct battery_care_control {
1958 struct device_attribute attrs[2];
1959 unsigned int handle;
1961 static struct battery_care_control *bcare_ctl;
1963 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1964 struct device_attribute *attr,
1965 const char *buffer, size_t count)
1967 unsigned int result, cmd;
1968 unsigned long value;
1973 if (kstrtoul(buffer, 10, &value))
1976 /* limit values (2 bits):
1982 * bit 0: 0 disable BCL, 1 enable BCL
1983 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1984 * bits 2,3: reserved
1985 * bits 4,5: store the limit into the EC
1986 * bits 6,7: store the limit into the battery
1994 else if (value <= 80)
1997 else if (value <= 100)
2004 * handle 0x0115 should allow storing on battery too;
2005 * handle 0x0136 same as 0x0115 + health status;
2006 * handle 0x013f, same as 0x0136 but no storing on the battery
2008 if (bcare_ctl->handle != 0x013f)
2009 cmd = cmd | (cmd << 2);
2011 cmd = (cmd | 0x1) << 0x10;
2014 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2020 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2021 struct device_attribute *attr, char *buffer)
2023 unsigned int result, status;
2025 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2028 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2044 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2047 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2048 struct device_attribute *attr, char *buffer)
2051 unsigned int health;
2053 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2056 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2061 static int sony_nc_battery_care_setup(struct platform_device *pd,
2062 unsigned int handle)
2066 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2070 bcare_ctl->handle = handle;
2072 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2073 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2074 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2075 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2076 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2078 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2082 /* 0x0115 is for models with no health reporting capability */
2083 if (handle == 0x0115)
2086 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2087 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2088 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2089 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2091 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2098 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2107 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2110 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2111 if (bcare_ctl->handle != 0x0115)
2112 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2119 struct snc_thermal_ctrl {
2121 unsigned int profiles;
2122 struct device_attribute mode_attr;
2123 struct device_attribute profiles_attr;
2125 static struct snc_thermal_ctrl *th_handle;
2127 #define THM_PROFILE_MAX 3
2128 static const char * const snc_thermal_profiles[] = {
2134 static int sony_nc_thermal_mode_set(unsigned short mode)
2136 unsigned int result;
2138 /* the thermal profile seems to be a two bit bitmask:
2140 * msb -> performance
2141 * no bit set is the normal operation and is always valid
2142 * Some vaio models only have "balanced" and "performance"
2144 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2147 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2150 th_handle->mode = mode;
2155 static int sony_nc_thermal_mode_get(void)
2157 unsigned int result;
2159 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2162 return result & 0xff;
2165 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2166 struct device_attribute *attr, char *buffer)
2171 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2172 if (!cnt || (th_handle->profiles & cnt))
2173 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2174 snc_thermal_profiles[cnt]);
2176 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2181 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2182 struct device_attribute *attr,
2183 const char *buffer, size_t count)
2191 /* skip the newline if present */
2192 if (buffer[len - 1] == '\n')
2195 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2196 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2199 if (sony_nc_thermal_mode_set(cmd))
2205 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2206 struct device_attribute *attr, char *buffer)
2209 int mode = sony_nc_thermal_mode_get();
2214 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2219 static int sony_nc_thermal_setup(struct platform_device *pd)
2222 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2226 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2228 pr_warn("couldn't to read the thermal profiles\n");
2232 ret = sony_nc_thermal_mode_get();
2234 pr_warn("couldn't to read the current thermal profile");
2237 th_handle->mode = ret;
2239 sysfs_attr_init(&th_handle->profiles_attr.attr);
2240 th_handle->profiles_attr.attr.name = "thermal_profiles";
2241 th_handle->profiles_attr.attr.mode = S_IRUGO;
2242 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2244 sysfs_attr_init(&th_handle->mode_attr.attr);
2245 th_handle->mode_attr.attr.name = "thermal_control";
2246 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2247 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2248 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2250 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2254 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2261 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2268 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2271 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2272 device_remove_file(&pd->dev, &th_handle->mode_attr);
2278 #ifdef CONFIG_PM_SLEEP
2279 static void sony_nc_thermal_resume(void)
2281 unsigned int status = sony_nc_thermal_mode_get();
2283 if (status != th_handle->mode)
2284 sony_nc_thermal_mode_set(th_handle->mode);
2288 /* resume on LID open */
2289 #define LID_RESUME_S5 0
2290 #define LID_RESUME_S4 1
2291 #define LID_RESUME_S3 2
2292 #define LID_RESUME_MAX 3
2293 struct snc_lid_resume_control {
2294 struct device_attribute attrs[LID_RESUME_MAX];
2295 unsigned int status;
2298 static struct snc_lid_resume_control *lid_ctl;
2300 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2301 struct device_attribute *attr,
2302 const char *buffer, size_t count)
2304 unsigned int result;
2305 unsigned long value;
2306 unsigned int pos = LID_RESUME_S5;
2310 if (kstrtoul(buffer, 10, &value) || value > 1)
2313 /* the value we have to write to SNC is a bitmask:
2319 while (pos < LID_RESUME_MAX) {
2320 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2324 if (pos == LID_RESUME_MAX)
2328 value = lid_ctl->status | (1 << pos);
2330 value = lid_ctl->status & ~(1 << pos);
2332 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2336 lid_ctl->status = value;
2341 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2342 struct device_attribute *attr,
2345 unsigned int pos = LID_RESUME_S5;
2347 while (pos < LID_RESUME_MAX) {
2348 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2349 return snprintf(buffer, PAGE_SIZE, "%d\n",
2350 (lid_ctl->status >> pos) & 0x01);
2356 static int sony_nc_lid_resume_setup(struct platform_device *pd,
2357 unsigned int handle)
2359 unsigned int result;
2362 if (sony_call_snc_handle(handle, 0x0000, &result))
2365 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2369 lid_ctl->status = result & 0x7;
2370 lid_ctl->handle = handle;
2372 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2373 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2374 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2375 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2376 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2378 if (handle == 0x0119) {
2379 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2380 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2381 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2382 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2383 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2385 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2386 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2387 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2388 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2389 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2391 for (i = 0; i < LID_RESUME_MAX &&
2392 lid_ctl->attrs[i].attr.name; i++) {
2393 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2401 for (i--; i >= 0; i--)
2402 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2410 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2415 for (i = 0; i < LID_RESUME_MAX; i++) {
2416 if (!lid_ctl->attrs[i].attr.name)
2419 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2427 /* GFX Switch position */
2433 struct snc_gfx_switch_control {
2434 struct device_attribute attr;
2435 unsigned int handle;
2437 static struct snc_gfx_switch_control *gfxs_ctl;
2439 /* returns 0 for speed, 1 for stamina */
2440 static int __sony_nc_gfx_switch_status_get(void)
2442 unsigned int result;
2444 if (sony_call_snc_handle(gfxs_ctl->handle,
2445 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2449 switch (gfxs_ctl->handle) {
2451 /* 1: discrete GFX (speed)
2452 * 0: integrated GFX (stamina)
2454 return result & 0x1 ? SPEED : STAMINA;
2457 /* 0: discrete GFX (speed)
2458 * 1: integrated GFX (stamina)
2460 return result & 0x1 ? STAMINA : SPEED;
2463 /* it's a more elaborated bitmask, for now:
2464 * 2: integrated GFX (stamina)
2465 * 0: discrete GFX (speed)
2467 dprintk("GFX Status: 0x%x\n", result);
2468 return result & 0x80 ? AUTO :
2469 result & 0x02 ? STAMINA : SPEED;
2475 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2476 struct device_attribute *attr,
2479 int pos = __sony_nc_gfx_switch_status_get();
2484 return snprintf(buffer, PAGE_SIZE, "%s\n",
2485 pos == SPEED ? "speed" :
2486 pos == STAMINA ? "stamina" :
2487 pos == AUTO ? "auto" : "unknown");
2490 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2491 unsigned int handle)
2493 unsigned int result;
2495 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2499 gfxs_ctl->handle = handle;
2501 sysfs_attr_init(&gfxs_ctl->attr.attr);
2502 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2503 gfxs_ctl->attr.attr.mode = S_IRUGO;
2504 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2506 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2519 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2522 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2529 /* High speed charging function */
2530 static struct device_attribute *hsc_handle;
2532 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2533 struct device_attribute *attr,
2534 const char *buffer, size_t count)
2536 unsigned int result;
2537 unsigned long value;
2542 if (kstrtoul(buffer, 10, &value) || value > 1)
2545 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2551 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2552 struct device_attribute *attr, char *buffer)
2554 unsigned int result;
2556 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2559 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2562 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2564 unsigned int result;
2566 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2567 /* some models advertise the handle but have no implementation
2570 pr_info("No High Speed Charging capability found\n");
2574 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2578 sysfs_attr_init(&hsc_handle->attr);
2579 hsc_handle->attr.name = "battery_highspeed_charging";
2580 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2581 hsc_handle->show = sony_nc_highspeed_charging_show;
2582 hsc_handle->store = sony_nc_highspeed_charging_store;
2584 result = device_create_file(&pd->dev, hsc_handle);
2594 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2597 device_remove_file(&pd->dev, hsc_handle);
2603 /* low battery function */
2604 static struct device_attribute *lowbatt_handle;
2606 static ssize_t sony_nc_lowbatt_store(struct device *dev,
2607 struct device_attribute *attr,
2608 const char *buffer, size_t count)
2610 unsigned int result;
2611 unsigned long value;
2616 if (kstrtoul(buffer, 10, &value) || value > 1)
2619 if (sony_call_snc_handle(0x0121, value << 8, &result))
2625 static ssize_t sony_nc_lowbatt_show(struct device *dev,
2626 struct device_attribute *attr, char *buffer)
2628 unsigned int result;
2630 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2633 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2636 static int sony_nc_lowbatt_setup(struct platform_device *pd)
2638 unsigned int result;
2640 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2641 if (!lowbatt_handle)
2644 sysfs_attr_init(&lowbatt_handle->attr);
2645 lowbatt_handle->attr.name = "lowbatt_hibernate";
2646 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2647 lowbatt_handle->show = sony_nc_lowbatt_show;
2648 lowbatt_handle->store = sony_nc_lowbatt_store;
2650 result = device_create_file(&pd->dev, lowbatt_handle);
2652 kfree(lowbatt_handle);
2653 lowbatt_handle = NULL;
2660 static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2662 if (lowbatt_handle) {
2663 device_remove_file(&pd->dev, lowbatt_handle);
2664 kfree(lowbatt_handle);
2665 lowbatt_handle = NULL;
2669 /* fan speed function */
2670 static struct device_attribute *fan_handle, *hsf_handle;
2672 static ssize_t sony_nc_hsfan_store(struct device *dev,
2673 struct device_attribute *attr,
2674 const char *buffer, size_t count)
2676 unsigned int result;
2677 unsigned long value;
2682 if (kstrtoul(buffer, 10, &value) || value > 1)
2685 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2691 static ssize_t sony_nc_hsfan_show(struct device *dev,
2692 struct device_attribute *attr, char *buffer)
2694 unsigned int result;
2696 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2699 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2702 static ssize_t sony_nc_fanspeed_show(struct device *dev,
2703 struct device_attribute *attr, char *buffer)
2705 unsigned int result;
2707 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2710 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2713 static int sony_nc_fanspeed_setup(struct platform_device *pd)
2715 unsigned int result;
2717 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2721 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2724 goto out_hsf_handle_alloc;
2727 sysfs_attr_init(&fan_handle->attr);
2728 fan_handle->attr.name = "fanspeed";
2729 fan_handle->attr.mode = S_IRUGO;
2730 fan_handle->show = sony_nc_fanspeed_show;
2731 fan_handle->store = NULL;
2733 sysfs_attr_init(&hsf_handle->attr);
2734 hsf_handle->attr.name = "fan_forced";
2735 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2736 hsf_handle->show = sony_nc_hsfan_show;
2737 hsf_handle->store = sony_nc_hsfan_store;
2739 result = device_create_file(&pd->dev, fan_handle);
2741 goto out_fan_handle;
2743 result = device_create_file(&pd->dev, hsf_handle);
2745 goto out_hsf_handle;
2750 device_remove_file(&pd->dev, fan_handle);
2756 out_hsf_handle_alloc:
2762 static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2765 device_remove_file(&pd->dev, fan_handle);
2770 device_remove_file(&pd->dev, hsf_handle);
2776 /* USB charge function */
2777 static struct device_attribute *uc_handle;
2779 static ssize_t sony_nc_usb_charge_store(struct device *dev,
2780 struct device_attribute *attr,
2781 const char *buffer, size_t count)
2783 unsigned int result;
2784 unsigned long value;
2789 if (kstrtoul(buffer, 10, &value) || value > 1)
2792 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2798 static ssize_t sony_nc_usb_charge_show(struct device *dev,
2799 struct device_attribute *attr, char *buffer)
2801 unsigned int result;
2803 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2806 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2809 static int sony_nc_usb_charge_setup(struct platform_device *pd)
2811 unsigned int result;
2813 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2814 /* some models advertise the handle but have no implementation
2817 pr_info("No USB Charge capability found\n");
2821 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2825 sysfs_attr_init(&uc_handle->attr);
2826 uc_handle->attr.name = "usb_charge";
2827 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2828 uc_handle->show = sony_nc_usb_charge_show;
2829 uc_handle->store = sony_nc_usb_charge_store;
2831 result = device_create_file(&pd->dev, uc_handle);
2841 static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2844 device_remove_file(&pd->dev, uc_handle);
2850 /* Panel ID function */
2851 static struct device_attribute *panel_handle;
2853 static ssize_t sony_nc_panelid_show(struct device *dev,
2854 struct device_attribute *attr, char *buffer)
2856 unsigned int result;
2858 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2861 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2864 static int sony_nc_panelid_setup(struct platform_device *pd)
2866 unsigned int result;
2868 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2872 sysfs_attr_init(&panel_handle->attr);
2873 panel_handle->attr.name = "panel_id";
2874 panel_handle->attr.mode = S_IRUGO;
2875 panel_handle->show = sony_nc_panelid_show;
2876 panel_handle->store = NULL;
2878 result = device_create_file(&pd->dev, panel_handle);
2880 kfree(panel_handle);
2881 panel_handle = NULL;
2888 static void sony_nc_panelid_cleanup(struct platform_device *pd)
2891 device_remove_file(&pd->dev, panel_handle);
2892 kfree(panel_handle);
2893 panel_handle = NULL;
2897 /* smart connect function */
2898 static struct device_attribute *sc_handle;
2900 static ssize_t sony_nc_smart_conn_store(struct device *dev,
2901 struct device_attribute *attr,
2902 const char *buffer, size_t count)
2904 unsigned int result;
2905 unsigned long value;
2910 if (kstrtoul(buffer, 10, &value) || value > 1)
2913 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2919 static int sony_nc_smart_conn_setup(struct platform_device *pd)
2921 unsigned int result;
2923 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2927 sysfs_attr_init(&sc_handle->attr);
2928 sc_handle->attr.name = "smart_connect";
2929 sc_handle->attr.mode = S_IWUSR;
2930 sc_handle->show = NULL;
2931 sc_handle->store = sony_nc_smart_conn_store;
2933 result = device_create_file(&pd->dev, sc_handle);
2943 static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2946 device_remove_file(&pd->dev, sc_handle);
2952 /* Touchpad enable/disable */
2953 struct touchpad_control {
2954 struct device_attribute attr;
2957 static struct touchpad_control *tp_ctl;
2959 static ssize_t sony_nc_touchpad_store(struct device *dev,
2960 struct device_attribute *attr, const char *buffer, size_t count)
2962 unsigned int result;
2963 unsigned long value;
2968 if (kstrtoul(buffer, 10, &value) || value > 1)
2971 /* sysfs: 0 disabled, 1 enabled
2972 * EC: 0 enabled, 1 disabled
2974 if (sony_call_snc_handle(tp_ctl->handle,
2975 (!value << 0x10) | 0x100, &result))
2981 static ssize_t sony_nc_touchpad_show(struct device *dev,
2982 struct device_attribute *attr, char *buffer)
2984 unsigned int result;
2986 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2989 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2992 static int sony_nc_touchpad_setup(struct platform_device *pd,
2993 unsigned int handle)
2997 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
3001 tp_ctl->handle = handle;
3003 sysfs_attr_init(&tp_ctl->attr.attr);
3004 tp_ctl->attr.attr.name = "touchpad";
3005 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3006 tp_ctl->attr.show = sony_nc_touchpad_show;
3007 tp_ctl->attr.store = sony_nc_touchpad_store;
3009 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3018 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3021 device_remove_file(&pd->dev, &tp_ctl->attr);
3027 static void sony_nc_backlight_ng_read_limits(int handle,
3028 struct sony_backlight_props *props)
3032 int lvl_table_len = 0;
3033 u8 min = 0xff, max = 0x00;
3034 unsigned char buffer[32] = { 0 };
3036 props->handle = handle;
3038 props->maxlvl = 0xff;
3040 offset = sony_find_snc_handle(handle);
3042 /* try to read the boundaries from ACPI tables, if we fail the above
3043 * defaults should be reasonable
3045 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3062 /* the buffer lists brightness levels available, brightness levels are
3063 * from position 0 to 8 in the array, other values are used by ALS
3066 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3068 dprintk("Brightness level: %d\n", buffer[i]);
3073 if (buffer[i] > max)
3075 if (buffer[i] < min)
3078 props->offset = min;
3079 props->maxlvl = max;
3080 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3084 static void sony_nc_backlight_setup(void)
3086 int max_brightness = 0;
3087 const struct backlight_ops *ops = NULL;
3088 struct backlight_properties props;
3090 if (sony_find_snc_handle(0x12f) >= 0) {
3091 ops = &sony_backlight_ng_ops;
3092 sony_bl_props.cmd_base = 0x0100;
3093 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3094 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3096 } else if (sony_find_snc_handle(0x137) >= 0) {
3097 ops = &sony_backlight_ng_ops;
3098 sony_bl_props.cmd_base = 0x0100;
3099 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3100 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3102 } else if (sony_find_snc_handle(0x143) >= 0) {
3103 ops = &sony_backlight_ng_ops;
3104 sony_bl_props.cmd_base = 0x3000;
3105 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3106 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3108 } else if (sony_find_snc_handle(0x14b) >= 0) {
3109 ops = &sony_backlight_ng_ops;
3110 sony_bl_props.cmd_base = 0x3000;
3111 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3112 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3114 } else if (sony_find_snc_handle(0x14c) >= 0) {
3115 ops = &sony_backlight_ng_ops;
3116 sony_bl_props.cmd_base = 0x3000;
3117 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3118 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3120 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3121 ops = &sony_backlight_ops;
3122 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3127 memset(&props, 0, sizeof(struct backlight_properties));
3128 props.type = BACKLIGHT_PLATFORM;
3129 props.max_brightness = max_brightness;
3130 sony_bl_props.dev = backlight_device_register("sony", NULL,
3134 if (IS_ERR(sony_bl_props.dev)) {
3135 pr_warn("unable to register backlight device\n");
3136 sony_bl_props.dev = NULL;
3138 sony_bl_props.dev->props.brightness =
3139 ops->get_brightness(sony_bl_props.dev);
3142 static void sony_nc_backlight_cleanup(void)
3144 backlight_device_unregister(sony_bl_props.dev);
3147 static int sony_nc_add(struct acpi_device *device)
3151 struct sony_nc_value *item;
3153 sony_nc_acpi_device = device;
3154 strcpy(acpi_device_class(device), "sony/hotkey");
3156 sony_nc_acpi_handle = device->handle;
3158 /* read device status */
3159 result = acpi_bus_get_status(device);
3160 /* bail IFF the above call was successful and the device is not present */
3161 if (!result && !device->status.present) {
3162 dprintk("Device not present\n");
3167 result = sony_pf_add();
3172 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3173 sony_nc_acpi_handle, 1, sony_walk_callback,
3175 if (ACPI_FAILURE(status)) {
3176 pr_warn("unable to walk acpi resources\n");
3182 result = sony_laptop_setup_input(device);
3184 pr_err("Unable to create input devices\n");
3188 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3190 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3191 dprintk("ECON Method failed\n");
3194 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3195 dprintk("Doing SNC setup\n");
3196 /* retrieve the available handles */
3197 result = sony_nc_handles_setup(sony_pf_device);
3199 sony_nc_function_setup(device, sony_pf_device);
3202 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3203 sony_nc_backlight_setup();
3205 /* create sony_pf sysfs attributes related to the SNC device */
3206 for (item = sony_nc_values; item->name; ++item) {
3208 if (!debug && item->debug)
3211 /* find the available acpiget as described in the DSDT */
3212 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3213 if (acpi_has_method(sony_nc_acpi_handle,
3215 dprintk("Found %s getter: %s\n",
3216 item->name, *item->acpiget);
3217 item->devattr.attr.mode |= S_IRUGO;
3222 /* find the available acpiset as described in the DSDT */
3223 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3224 if (acpi_has_method(sony_nc_acpi_handle,
3226 dprintk("Found %s setter: %s\n",
3227 item->name, *item->acpiset);
3228 item->devattr.attr.mode |= S_IWUSR;
3233 if (item->devattr.attr.mode != 0) {
3235 device_create_file(&sony_pf_device->dev,
3242 pr_info("SNC setup done.\n");
3246 for (item = sony_nc_values; item->name; ++item) {
3247 device_remove_file(&sony_pf_device->dev, &item->devattr);
3249 sony_nc_backlight_cleanup();
3250 sony_nc_function_cleanup(sony_pf_device);
3251 sony_nc_handles_cleanup(sony_pf_device);
3254 sony_laptop_remove_input();
3260 sony_nc_rfkill_cleanup();
3264 static int sony_nc_remove(struct acpi_device *device)
3266 struct sony_nc_value *item;
3268 sony_nc_backlight_cleanup();
3270 sony_nc_acpi_device = NULL;
3272 for (item = sony_nc_values; item->name; ++item) {
3273 device_remove_file(&sony_pf_device->dev, &item->devattr);
3276 sony_nc_function_cleanup(sony_pf_device);
3277 sony_nc_handles_cleanup(sony_pf_device);
3279 sony_laptop_remove_input();
3280 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3285 static const struct acpi_device_id sony_device_ids[] = {
3290 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3292 static const struct acpi_device_id sony_nc_device_ids[] = {
3297 static struct acpi_driver sony_nc_driver = {
3298 .name = SONY_NC_DRIVER_NAME,
3299 .class = SONY_NC_CLASS,
3300 .ids = sony_nc_device_ids,
3301 .owner = THIS_MODULE,
3304 .remove = sony_nc_remove,
3305 .notify = sony_nc_notify,
3307 .drv.pm = &sony_nc_pm,
3310 /*********** SPIC (SNY6001) Device ***********/
3312 #define SONYPI_DEVICE_TYPE1 0x00000001
3313 #define SONYPI_DEVICE_TYPE2 0x00000002
3314 #define SONYPI_DEVICE_TYPE3 0x00000004
3316 #define SONYPI_TYPE1_OFFSET 0x04
3317 #define SONYPI_TYPE2_OFFSET 0x12
3318 #define SONYPI_TYPE3_OFFSET 0x12
3320 struct sony_pic_ioport {
3321 struct acpi_resource_io io1;
3322 struct acpi_resource_io io2;
3323 struct list_head list;
3326 struct sony_pic_irq {
3327 struct acpi_resource_irq irq;
3328 struct list_head list;
3331 struct sonypi_eventtypes {
3334 struct sonypi_event *events;
3337 struct sony_pic_dev {
3338 struct acpi_device *acpi_dev;
3339 struct sony_pic_irq *cur_irq;
3340 struct sony_pic_ioport *cur_ioport;
3341 struct list_head interrupts;
3342 struct list_head ioports;
3344 struct sonypi_eventtypes *event_types;
3345 int (*handle_irq)(const u8, const u8);
3353 static struct sony_pic_dev spic_dev = {
3354 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3355 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3358 static int spic_drv_registered;
3361 #define SONYPI_JOGGER_MASK 0x00000001
3362 #define SONYPI_CAPTURE_MASK 0x00000002
3363 #define SONYPI_FNKEY_MASK 0x00000004
3364 #define SONYPI_BLUETOOTH_MASK 0x00000008
3365 #define SONYPI_PKEY_MASK 0x00000010
3366 #define SONYPI_BACK_MASK 0x00000020
3367 #define SONYPI_HELP_MASK 0x00000040
3368 #define SONYPI_LID_MASK 0x00000080
3369 #define SONYPI_ZOOM_MASK 0x00000100
3370 #define SONYPI_THUMBPHRASE_MASK 0x00000200
3371 #define SONYPI_MEYE_MASK 0x00000400
3372 #define SONYPI_MEMORYSTICK_MASK 0x00000800
3373 #define SONYPI_BATTERY_MASK 0x00001000
3374 #define SONYPI_WIRELESS_MASK 0x00002000
3376 struct sonypi_event {
3381 /* The set of possible button release events */
3382 static struct sonypi_event sonypi_releaseev[] = {
3383 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3387 /* The set of possible jogger events */
3388 static struct sonypi_event sonypi_joggerev[] = {
3389 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3390 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3391 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3392 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3393 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3394 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3395 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3396 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3397 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3398 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3399 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3400 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3401 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3405 /* The set of possible capture button events */
3406 static struct sonypi_event sonypi_captureev[] = {
3407 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3408 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3409 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3410 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3414 /* The set of possible fnkeys events */
3415 static struct sonypi_event sonypi_fnkeyev[] = {
3416 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3417 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3418 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3419 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3420 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3421 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3422 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3423 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3424 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3425 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3426 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3427 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3428 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3429 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3430 { 0x21, SONYPI_EVENT_FNKEY_1 },
3431 { 0x22, SONYPI_EVENT_FNKEY_2 },
3432 { 0x31, SONYPI_EVENT_FNKEY_D },
3433 { 0x32, SONYPI_EVENT_FNKEY_E },
3434 { 0x33, SONYPI_EVENT_FNKEY_F },
3435 { 0x34, SONYPI_EVENT_FNKEY_S },
3436 { 0x35, SONYPI_EVENT_FNKEY_B },
3437 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3441 /* The set of possible program key events */
3442 static struct sonypi_event sonypi_pkeyev[] = {
3443 { 0x01, SONYPI_EVENT_PKEY_P1 },
3444 { 0x02, SONYPI_EVENT_PKEY_P2 },
3445 { 0x04, SONYPI_EVENT_PKEY_P3 },
3446 { 0x20, SONYPI_EVENT_PKEY_P1 },
3450 /* The set of possible bluetooth events */
3451 static struct sonypi_event sonypi_blueev[] = {
3452 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3453 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3454 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3458 /* The set of possible wireless events */
3459 static struct sonypi_event sonypi_wlessev[] = {
3460 { 0x59, SONYPI_EVENT_IGNORE },
3461 { 0x5a, SONYPI_EVENT_IGNORE },
3465 /* The set of possible back button events */
3466 static struct sonypi_event sonypi_backev[] = {
3467 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3471 /* The set of possible help button events */
3472 static struct sonypi_event sonypi_helpev[] = {
3473 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3478 /* The set of possible lid events */
3479 static struct sonypi_event sonypi_lidev[] = {
3480 { 0x51, SONYPI_EVENT_LID_CLOSED },
3481 { 0x50, SONYPI_EVENT_LID_OPENED },
3485 /* The set of possible zoom events */
3486 static struct sonypi_event sonypi_zoomev[] = {
3487 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3488 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3489 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3490 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3494 /* The set of possible thumbphrase events */
3495 static struct sonypi_event sonypi_thumbphraseev[] = {
3496 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3500 /* The set of possible motioneye camera events */
3501 static struct sonypi_event sonypi_meyeev[] = {
3502 { 0x00, SONYPI_EVENT_MEYE_FACE },
3503 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3507 /* The set of possible memorystick events */
3508 static struct sonypi_event sonypi_memorystickev[] = {
3509 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3510 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3514 /* The set of possible battery events */
3515 static struct sonypi_event sonypi_batteryev[] = {
3516 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3517 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3521 /* The set of possible volume events */
3522 static struct sonypi_event sonypi_volumeev[] = {
3523 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3524 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3528 /* The set of possible brightness events */
3529 static struct sonypi_event sonypi_brightnessev[] = {
3530 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3534 static struct sonypi_eventtypes type1_events[] = {
3535 { 0, 0xffffffff, sonypi_releaseev },
3536 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3537 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3538 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3539 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3540 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3541 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3542 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3543 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3544 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3547 static struct sonypi_eventtypes type2_events[] = {
3548 { 0, 0xffffffff, sonypi_releaseev },
3549 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3550 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3551 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3552 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3553 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3554 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3555 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3556 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3557 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3558 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3559 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3560 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3561 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3564 static struct sonypi_eventtypes type3_events[] = {
3565 { 0, 0xffffffff, sonypi_releaseev },
3566 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3567 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3568 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3569 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3570 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3571 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3572 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3573 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3574 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3575 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3579 /* low level spic calls */
3580 #define ITERATIONS_LONG 10000
3581 #define ITERATIONS_SHORT 10
3582 #define wait_on_command(command, iterations) { \
3583 unsigned int n = iterations; \
3584 while (--n && (command)) \
3587 dprintk("command failed at %s : %s (line %d)\n", \
3588 __FILE__, __func__, __LINE__); \
3591 static u8 sony_pic_call1(u8 dev)
3595 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3597 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3598 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3599 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3600 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3604 static u8 sony_pic_call2(u8 dev, u8 fn)
3608 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3610 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3611 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3613 outb(fn, spic_dev.cur_ioport->io1.minimum);
3614 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3615 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3619 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3623 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3624 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3625 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3626 outb(fn, spic_dev.cur_ioport->io1.minimum);
3627 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3628 outb(v, spic_dev.cur_ioport->io1.minimum);
3629 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3630 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3636 * minidrivers for SPIC models
3638 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3641 * 0x31 could mean we have to take some extra action and wait for
3642 * the next irq for some Type3 models, it will generate a new
3643 * irq and we can read new data from the device:
3644 * - 0x5c and 0x5f requires 0xA0
3645 * - 0x61 requires 0xB3
3647 if (data_mask == 0x31) {
3648 if (ev == 0x5c || ev == 0x5f)
3649 sony_pic_call1(0xA0);
3650 else if (ev == 0x61)
3651 sony_pic_call1(0xB3);
3657 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3659 struct pci_dev *pcidev;
3661 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3662 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3664 dev->model = SONYPI_DEVICE_TYPE1;
3665 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3666 dev->event_types = type1_events;
3670 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3671 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3673 dev->model = SONYPI_DEVICE_TYPE2;
3674 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3675 dev->event_types = type2_events;
3679 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3680 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3682 dev->model = SONYPI_DEVICE_TYPE3;
3683 dev->handle_irq = type3_handle_irq;
3684 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3685 dev->event_types = type3_events;
3689 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3690 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3692 dev->model = SONYPI_DEVICE_TYPE3;
3693 dev->handle_irq = type3_handle_irq;
3694 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3695 dev->event_types = type3_events;
3699 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3700 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3702 dev->model = SONYPI_DEVICE_TYPE3;
3703 dev->handle_irq = type3_handle_irq;
3704 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3705 dev->event_types = type3_events;
3710 dev->model = SONYPI_DEVICE_TYPE2;
3711 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3712 dev->event_types = type2_events;
3715 pci_dev_put(pcidev);
3717 pr_info("detected Type%d model\n",
3718 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3719 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3722 /* camera tests and poweron/poweroff */
3723 #define SONYPI_CAMERA_PICTURE 5
3724 #define SONYPI_CAMERA_CONTROL 0x10
3726 #define SONYPI_CAMERA_BRIGHTNESS 0
3727 #define SONYPI_CAMERA_CONTRAST 1
3728 #define SONYPI_CAMERA_HUE 2
3729 #define SONYPI_CAMERA_COLOR 3
3730 #define SONYPI_CAMERA_SHARPNESS 4
3732 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3733 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3734 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3735 #define SONYPI_CAMERA_MUTE_MASK 0x40
3737 /* the rest don't need a loop until not 0xff */
3738 #define SONYPI_CAMERA_AGC 6
3739 #define SONYPI_CAMERA_AGC_MASK 0x30
3740 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3742 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3743 #define SONYPI_CAMERA_CONTROL 0x10
3745 #define SONYPI_CAMERA_STATUS 7
3746 #define SONYPI_CAMERA_STATUS_READY 0x2
3747 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3749 #define SONYPI_DIRECTION_BACKWARDS 0x4
3751 #define SONYPI_CAMERA_REVISION 8
3752 #define SONYPI_CAMERA_ROMVERSION 9
3754 static int __sony_pic_camera_ready(void)
3758 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3759 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3762 static int __sony_pic_camera_off(void)
3765 pr_warn("camera control not enabled\n");
3769 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3770 SONYPI_CAMERA_MUTE_MASK),
3773 if (spic_dev.camera_power) {
3774 sony_pic_call2(0x91, 0);
3775 spic_dev.camera_power = 0;
3780 static int __sony_pic_camera_on(void)
3785 pr_warn("camera control not enabled\n");
3789 if (spic_dev.camera_power)
3792 for (j = 5; j > 0; j--) {
3794 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3796 sony_pic_call1(0x93);
3798 for (i = 400; i > 0; i--) {
3799 if (__sony_pic_camera_ready())
3808 pr_warn("failed to power on camera\n");
3812 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3816 spic_dev.camera_power = 1;
3820 /* External camera command (exported to the motion eye v4l driver) */
3821 int sony_pic_camera_command(int command, u8 value)
3826 mutex_lock(&spic_dev.lock);
3829 case SONY_PIC_COMMAND_SETCAMERA:
3831 __sony_pic_camera_on();
3833 __sony_pic_camera_off();
3835 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3836 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3839 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3840 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3843 case SONY_PIC_COMMAND_SETCAMERAHUE:
3844 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3847 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3848 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3851 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3852 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3855 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3856 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3859 case SONY_PIC_COMMAND_SETCAMERAAGC:
3860 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3864 pr_err("sony_pic_camera_command invalid: %d\n", command);
3867 mutex_unlock(&spic_dev.lock);
3870 EXPORT_SYMBOL(sony_pic_camera_command);
3872 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3873 static void __sony_pic_set_wwanpower(u8 state)
3876 if (spic_dev.wwan_power == state)
3878 sony_pic_call2(0xB0, state);
3879 sony_pic_call1(0x82);
3880 spic_dev.wwan_power = state;
3883 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3884 struct device_attribute *attr,
3885 const char *buffer, size_t count)
3887 unsigned long value;
3891 if (kstrtoul(buffer, 10, &value))
3894 mutex_lock(&spic_dev.lock);
3895 __sony_pic_set_wwanpower(value);
3896 mutex_unlock(&spic_dev.lock);
3901 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3902 struct device_attribute *attr, char *buffer)
3905 mutex_lock(&spic_dev.lock);
3906 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3907 mutex_unlock(&spic_dev.lock);
3911 /* bluetooth subsystem power state */
3912 static void __sony_pic_set_bluetoothpower(u8 state)
3915 if (spic_dev.bluetooth_power == state)
3917 sony_pic_call2(0x96, state);
3918 sony_pic_call1(0x82);
3919 spic_dev.bluetooth_power = state;
3922 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3923 struct device_attribute *attr,
3924 const char *buffer, size_t count)
3926 unsigned long value;
3930 if (kstrtoul(buffer, 10, &value))
3933 mutex_lock(&spic_dev.lock);
3934 __sony_pic_set_bluetoothpower(value);
3935 mutex_unlock(&spic_dev.lock);
3940 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3941 struct device_attribute *attr, char *buffer)
3944 mutex_lock(&spic_dev.lock);
3945 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3946 mutex_unlock(&spic_dev.lock);
3951 /* FAN0 information (reverse engineered from ACPI tables) */
3952 #define SONY_PIC_FAN0_STATUS 0x93
3953 static int sony_pic_set_fanspeed(unsigned long value)
3955 return ec_write(SONY_PIC_FAN0_STATUS, value);
3958 static int sony_pic_get_fanspeed(u8 *value)
3960 return ec_read(SONY_PIC_FAN0_STATUS, value);
3963 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3964 struct device_attribute *attr,
3965 const char *buffer, size_t count)
3967 unsigned long value;
3971 if (kstrtoul(buffer, 10, &value))
3974 if (sony_pic_set_fanspeed(value))
3980 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3981 struct device_attribute *attr, char *buffer)
3984 if (sony_pic_get_fanspeed(&value))
3987 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3990 #define SPIC_ATTR(_name, _mode) \
3991 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3992 _mode, sony_pic_## _name ##_show, \
3993 sony_pic_## _name ##_store)
3995 static SPIC_ATTR(bluetoothpower, 0644);
3996 static SPIC_ATTR(wwanpower, 0644);
3997 static SPIC_ATTR(fanspeed, 0644);
3999 static struct attribute *spic_attributes[] = {
4000 &spic_attr_bluetoothpower.attr,
4001 &spic_attr_wwanpower.attr,
4002 &spic_attr_fanspeed.attr,
4006 static struct attribute_group spic_attribute_group = {
4007 .attrs = spic_attributes
4010 /******** SONYPI compatibility **********/
4011 #ifdef CONFIG_SONYPI_COMPAT
4013 /* battery / brightness / temperature addresses */
4014 #define SONYPI_BAT_FLAGS 0x81
4015 #define SONYPI_LCD_LIGHT 0x96
4016 #define SONYPI_BAT1_PCTRM 0xa0
4017 #define SONYPI_BAT1_LEFT 0xa2
4018 #define SONYPI_BAT1_MAXRT 0xa4
4019 #define SONYPI_BAT2_PCTRM 0xa8
4020 #define SONYPI_BAT2_LEFT 0xaa
4021 #define SONYPI_BAT2_MAXRT 0xac
4022 #define SONYPI_BAT1_MAXTK 0xb0
4023 #define SONYPI_BAT1_FULL 0xb2
4024 #define SONYPI_BAT2_MAXTK 0xb8
4025 #define SONYPI_BAT2_FULL 0xba
4026 #define SONYPI_TEMP_STATUS 0xC1
4028 struct sonypi_compat_s {
4029 struct fasync_struct *fifo_async;
4031 spinlock_t fifo_lock;
4032 wait_queue_head_t fifo_proc_list;
4033 atomic_t open_count;
4035 static struct sonypi_compat_s sonypi_compat = {
4036 .open_count = ATOMIC_INIT(0),
4039 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4041 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4044 static int sonypi_misc_release(struct inode *inode, struct file *file)
4046 atomic_dec(&sonypi_compat.open_count);
4050 static int sonypi_misc_open(struct inode *inode, struct file *file)
4052 /* Flush input queue on first open */
4053 unsigned long flags;
4055 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4057 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4058 kfifo_reset(&sonypi_compat.fifo);
4060 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4065 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4066 size_t count, loff_t *pos)
4071 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4072 (file->f_flags & O_NONBLOCK))
4075 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4076 kfifo_len(&sonypi_compat.fifo) != 0);
4080 while (ret < count &&
4081 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4082 &sonypi_compat.fifo_lock) == sizeof(c))) {
4083 if (put_user(c, buf++))
4089 struct inode *inode = file_inode(file);
4090 inode->i_atime = current_fs_time(inode->i_sb);
4096 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
4098 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4099 if (kfifo_len(&sonypi_compat.fifo))
4100 return POLLIN | POLLRDNORM;
4104 static int ec_read16(u8 addr, u16 *value)
4107 if (ec_read(addr, &val_lb))
4109 if (ec_read(addr + 1, &val_hb))
4111 *value = val_lb | (val_hb << 8);
4115 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4119 void __user *argp = (void __user *)arg;
4124 mutex_lock(&spic_dev.lock);
4126 case SONYPI_IOCGBRT:
4127 if (sony_bl_props.dev == NULL) {
4131 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4136 val8 = ((value & 0xff) - 1) << 5;
4137 if (copy_to_user(argp, &val8, sizeof(val8)))
4140 case SONYPI_IOCSBRT:
4141 if (sony_bl_props.dev == NULL) {
4145 if (copy_from_user(&val8, argp, sizeof(val8))) {
4149 value = (val8 >> 5) + 1;
4150 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4155 /* sync the backlight device status */
4156 sony_bl_props.dev->props.brightness =
4157 sony_backlight_get_brightness(sony_bl_props.dev);
4159 case SONYPI_IOCGBAT1CAP:
4160 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4164 if (copy_to_user(argp, &val16, sizeof(val16)))
4167 case SONYPI_IOCGBAT1REM:
4168 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4172 if (copy_to_user(argp, &val16, sizeof(val16)))
4175 case SONYPI_IOCGBAT2CAP:
4176 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4180 if (copy_to_user(argp, &val16, sizeof(val16)))
4183 case SONYPI_IOCGBAT2REM:
4184 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4188 if (copy_to_user(argp, &val16, sizeof(val16)))
4191 case SONYPI_IOCGBATFLAGS:
4192 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4197 if (copy_to_user(argp, &val8, sizeof(val8)))
4200 case SONYPI_IOCGBLUE:
4201 val8 = spic_dev.bluetooth_power;
4202 if (copy_to_user(argp, &val8, sizeof(val8)))
4205 case SONYPI_IOCSBLUE:
4206 if (copy_from_user(&val8, argp, sizeof(val8))) {
4210 __sony_pic_set_bluetoothpower(val8);
4213 case SONYPI_IOCGFAN:
4214 if (sony_pic_get_fanspeed(&val8)) {
4218 if (copy_to_user(argp, &val8, sizeof(val8)))
4221 case SONYPI_IOCSFAN:
4222 if (copy_from_user(&val8, argp, sizeof(val8))) {
4226 if (sony_pic_set_fanspeed(val8))
4229 /* GET Temperature (useful under APM) */
4230 case SONYPI_IOCGTEMP:
4231 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4235 if (copy_to_user(argp, &val8, sizeof(val8)))
4241 mutex_unlock(&spic_dev.lock);
4245 static const struct file_operations sonypi_misc_fops = {
4246 .owner = THIS_MODULE,
4247 .read = sonypi_misc_read,
4248 .poll = sonypi_misc_poll,
4249 .open = sonypi_misc_open,
4250 .release = sonypi_misc_release,
4251 .fasync = sonypi_misc_fasync,
4252 .unlocked_ioctl = sonypi_misc_ioctl,
4253 .llseek = noop_llseek,
4256 static struct miscdevice sonypi_misc_device = {
4257 .minor = MISC_DYNAMIC_MINOR,
4259 .fops = &sonypi_misc_fops,
4262 static void sonypi_compat_report_event(u8 event)
4264 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4265 sizeof(event), &sonypi_compat.fifo_lock);
4266 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4267 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4270 static int sonypi_compat_init(void)
4274 spin_lock_init(&sonypi_compat.fifo_lock);
4276 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4278 pr_err("kfifo_alloc failed\n");
4282 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4285 sonypi_misc_device.minor = minor;
4286 error = misc_register(&sonypi_misc_device);
4288 pr_err("misc_register failed\n");
4289 goto err_free_kfifo;
4292 pr_info("device allocated minor is %d\n",
4293 sonypi_misc_device.minor);
4298 kfifo_free(&sonypi_compat.fifo);
4302 static void sonypi_compat_exit(void)
4304 misc_deregister(&sonypi_misc_device);
4305 kfifo_free(&sonypi_compat.fifo);
4308 static int sonypi_compat_init(void) { return 0; }
4309 static void sonypi_compat_exit(void) { }
4310 static void sonypi_compat_report_event(u8 event) { }
4311 #endif /* CONFIG_SONYPI_COMPAT */
4317 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4320 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4322 switch (resource->type) {
4323 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4325 /* start IO enumeration */
4326 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4330 list_add(&ioport->list, &dev->ioports);
4334 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4335 /* end IO enumeration */
4338 case ACPI_RESOURCE_TYPE_IRQ:
4340 struct acpi_resource_irq *p = &resource->data.irq;
4341 struct sony_pic_irq *interrupt = NULL;
4342 if (!p || !p->interrupt_count) {
4344 * IRQ descriptors may have no IRQ# bits set,
4345 * particularly those those w/ _STA disabled
4347 dprintk("Blank IRQ resource\n");
4350 for (i = 0; i < p->interrupt_count; i++) {
4351 if (!p->interrupts[i]) {
4352 pr_warn("Invalid IRQ %d\n",
4356 interrupt = kzalloc(sizeof(*interrupt),
4361 list_add(&interrupt->list, &dev->interrupts);
4362 interrupt->irq.triggering = p->triggering;
4363 interrupt->irq.polarity = p->polarity;
4364 interrupt->irq.sharable = p->sharable;
4365 interrupt->irq.interrupt_count = 1;
4366 interrupt->irq.interrupts[0] = p->interrupts[i];
4370 case ACPI_RESOURCE_TYPE_IO:
4372 struct acpi_resource_io *io = &resource->data.io;
4373 struct sony_pic_ioport *ioport =
4374 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4376 dprintk("Blank IO resource\n");
4380 if (!ioport->io1.minimum) {
4381 memcpy(&ioport->io1, io, sizeof(*io));
4382 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4383 ioport->io1.address_length);
4385 else if (!ioport->io2.minimum) {
4386 memcpy(&ioport->io2, io, sizeof(*io));
4387 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4388 ioport->io2.address_length);
4391 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4397 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4400 case ACPI_RESOURCE_TYPE_END_TAG:
4403 return AE_CTRL_TERMINATE;
4406 static int sony_pic_possible_resources(struct acpi_device *device)
4409 acpi_status status = AE_OK;
4414 /* get device status */
4415 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4416 dprintk("Evaluating _STA\n");
4417 result = acpi_bus_get_status(device);
4419 pr_warn("Unable to read status\n");
4423 if (!device->status.enabled)
4424 dprintk("Device disabled\n");
4426 dprintk("Device enabled\n");
4429 * Query and parse 'method'
4431 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4432 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4433 sony_pic_read_possible_resource, &spic_dev);
4434 if (ACPI_FAILURE(status)) {
4435 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4443 * Disable the spic device by calling its _DIS method
4445 static int sony_pic_disable(struct acpi_device *device)
4447 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4450 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4453 dprintk("Device disabled\n");
4459 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4461 * Call _SRS to set current resources
4463 static int sony_pic_enable(struct acpi_device *device,
4464 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4468 /* Type 1 resource layout is:
4474 * Type 2 and 3 resource layout is:
4480 struct acpi_resource res1;
4481 struct acpi_resource res2;
4482 struct acpi_resource res3;
4483 struct acpi_resource res4;
4485 struct acpi_buffer buffer = { 0, NULL };
4487 if (!ioport || !irq)
4490 /* init acpi_buffer */
4491 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4495 buffer.length = sizeof(*resource) + 1;
4496 buffer.pointer = resource;
4498 /* setup Type 1 resources */
4499 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4501 /* setup io resources */
4502 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4503 resource->res1.length = sizeof(struct acpi_resource);
4504 memcpy(&resource->res1.data.io, &ioport->io1,
4505 sizeof(struct acpi_resource_io));
4507 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4508 resource->res2.length = sizeof(struct acpi_resource);
4509 memcpy(&resource->res2.data.io, &ioport->io2,
4510 sizeof(struct acpi_resource_io));
4512 /* setup irq resource */
4513 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4514 resource->res3.length = sizeof(struct acpi_resource);
4515 memcpy(&resource->res3.data.irq, &irq->irq,
4516 sizeof(struct acpi_resource_irq));
4517 /* we requested a shared irq */
4518 resource->res3.data.irq.sharable = ACPI_SHARED;
4520 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4521 resource->res4.length = sizeof(struct acpi_resource);
4523 /* setup Type 2/3 resources */
4525 /* setup io resource */
4526 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4527 resource->res1.length = sizeof(struct acpi_resource);
4528 memcpy(&resource->res1.data.io, &ioport->io1,
4529 sizeof(struct acpi_resource_io));
4531 /* setup irq resource */
4532 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4533 resource->res2.length = sizeof(struct acpi_resource);
4534 memcpy(&resource->res2.data.irq, &irq->irq,
4535 sizeof(struct acpi_resource_irq));
4536 /* we requested a shared irq */
4537 resource->res2.data.irq.sharable = ACPI_SHARED;
4539 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4540 resource->res3.length = sizeof(struct acpi_resource);
4543 /* Attempt to set the resource */
4544 dprintk("Evaluating _SRS\n");
4545 status = acpi_set_current_resources(device->handle, &buffer);
4547 /* check for total failure */
4548 if (ACPI_FAILURE(status)) {
4549 pr_err("Error evaluating _SRS\n");
4554 /* Necessary device initializations calls (from sonypi) */
4555 sony_pic_call1(0x82);
4556 sony_pic_call2(0x81, 0xff);
4557 sony_pic_call1(compat ? 0x92 : 0x82);
4566 * ISR: some event is available
4569 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4574 u8 device_event = 0;
4576 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4578 ev = inb_p(dev->cur_ioport->io1.minimum);
4579 if (dev->cur_ioport->io2.minimum)
4580 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4582 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4583 dev->evport_offset);
4585 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4586 ev, data_mask, dev->cur_ioport->io1.minimum,
4587 dev->evport_offset);
4589 if (ev == 0x00 || ev == 0xff)
4592 for (i = 0; dev->event_types[i].mask; i++) {
4594 if ((data_mask & dev->event_types[i].data) !=
4595 dev->event_types[i].data)
4598 if (!(mask & dev->event_types[i].mask))
4601 for (j = 0; dev->event_types[i].events[j].event; j++) {
4602 if (ev == dev->event_types[i].events[j].data) {
4604 dev->event_types[i].events[j].event;
4605 /* some events may require ignoring */
4612 /* Still not able to decode the event try to pass
4613 * it over to the minidriver
4615 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4618 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4619 ev, data_mask, dev->cur_ioport->io1.minimum,
4620 dev->evport_offset);
4624 sony_laptop_report_input_event(device_event);
4625 sonypi_compat_report_event(device_event);
4634 static int sony_pic_remove(struct acpi_device *device)
4636 struct sony_pic_ioport *io, *tmp_io;
4637 struct sony_pic_irq *irq, *tmp_irq;
4639 if (sony_pic_disable(device)) {
4640 pr_err("Couldn't disable device\n");
4644 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4645 release_region(spic_dev.cur_ioport->io1.minimum,
4646 spic_dev.cur_ioport->io1.address_length);
4647 if (spic_dev.cur_ioport->io2.minimum)
4648 release_region(spic_dev.cur_ioport->io2.minimum,
4649 spic_dev.cur_ioport->io2.address_length);
4651 sonypi_compat_exit();
4653 sony_laptop_remove_input();
4656 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4659 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4660 list_del(&io->list);
4663 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4664 list_del(&irq->list);
4667 spic_dev.cur_ioport = NULL;
4668 spic_dev.cur_irq = NULL;
4670 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4674 static int sony_pic_add(struct acpi_device *device)
4677 struct sony_pic_ioport *io, *tmp_io;
4678 struct sony_pic_irq *irq, *tmp_irq;
4680 spic_dev.acpi_dev = device;
4681 strcpy(acpi_device_class(device), "sony/hotkey");
4682 sony_pic_detect_device_type(&spic_dev);
4683 mutex_init(&spic_dev.lock);
4685 /* read _PRS resources */
4686 result = sony_pic_possible_resources(device);
4688 pr_err("Unable to read possible resources\n");
4689 goto err_free_resources;
4692 /* setup input devices and helper fifo */
4693 result = sony_laptop_setup_input(device);
4695 pr_err("Unable to create input devices\n");
4696 goto err_free_resources;
4699 result = sonypi_compat_init();
4701 goto err_remove_input;
4703 /* request io port */
4704 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4705 if (request_region(io->io1.minimum, io->io1.address_length,
4706 "Sony Programmable I/O Device")) {
4707 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4708 io->io1.minimum, io->io1.maximum,
4709 io->io1.address_length);
4710 /* Type 1 have 2 ioports */
4711 if (io->io2.minimum) {
4712 if (request_region(io->io2.minimum,
4713 io->io2.address_length,
4714 "Sony Programmable I/O Device")) {
4715 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4716 io->io2.minimum, io->io2.maximum,
4717 io->io2.address_length);
4718 spic_dev.cur_ioport = io;
4722 dprintk("Unable to get I/O port2: "
4723 "0x%.4x (0x%.4x) + 0x%.2x\n",
4724 io->io2.minimum, io->io2.maximum,
4725 io->io2.address_length);
4726 release_region(io->io1.minimum,
4727 io->io1.address_length);
4731 spic_dev.cur_ioport = io;
4736 if (!spic_dev.cur_ioport) {
4737 pr_err("Failed to request_region\n");
4739 goto err_remove_compat;
4743 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4744 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4745 0, "sony-laptop", &spic_dev)) {
4746 dprintk("IRQ: %d - triggering: %d - "
4747 "polarity: %d - shr: %d\n",
4748 irq->irq.interrupts[0],
4749 irq->irq.triggering,
4752 spic_dev.cur_irq = irq;
4756 if (!spic_dev.cur_irq) {
4757 pr_err("Failed to request_irq\n");
4759 goto err_release_region;
4762 /* set resource status _SRS */
4763 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4765 pr_err("Couldn't enable device\n");
4769 spic_dev.bluetooth_power = -1;
4770 /* create device attributes */
4771 result = sony_pf_add();
4773 goto err_disable_device;
4775 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4779 pr_info("SPIC setup done.\n");
4786 sony_pic_disable(device);
4789 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4792 release_region(spic_dev.cur_ioport->io1.minimum,
4793 spic_dev.cur_ioport->io1.address_length);
4794 if (spic_dev.cur_ioport->io2.minimum)
4795 release_region(spic_dev.cur_ioport->io2.minimum,
4796 spic_dev.cur_ioport->io2.address_length);
4799 sonypi_compat_exit();
4802 sony_laptop_remove_input();
4805 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4806 list_del(&io->list);
4809 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4810 list_del(&irq->list);
4813 spic_dev.cur_ioport = NULL;
4814 spic_dev.cur_irq = NULL;
4819 #ifdef CONFIG_PM_SLEEP
4820 static int sony_pic_suspend(struct device *dev)
4822 if (sony_pic_disable(to_acpi_device(dev)))
4827 static int sony_pic_resume(struct device *dev)
4829 sony_pic_enable(to_acpi_device(dev),
4830 spic_dev.cur_ioport, spic_dev.cur_irq);
4835 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4837 static const struct acpi_device_id sony_pic_device_ids[] = {
4842 static struct acpi_driver sony_pic_driver = {
4843 .name = SONY_PIC_DRIVER_NAME,
4844 .class = SONY_PIC_CLASS,
4845 .ids = sony_pic_device_ids,
4846 .owner = THIS_MODULE,
4848 .add = sony_pic_add,
4849 .remove = sony_pic_remove,
4851 .drv.pm = &sony_pic_pm,
4854 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4856 .ident = "Sony Vaio",
4858 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4859 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4863 .ident = "Sony Vaio",
4865 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4866 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4872 static int __init sony_laptop_init(void)
4876 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4877 result = acpi_bus_register_driver(&sony_pic_driver);
4879 pr_err("Unable to register SPIC driver\n");
4882 spic_drv_registered = 1;
4885 result = acpi_bus_register_driver(&sony_nc_driver);
4887 pr_err("Unable to register SNC driver\n");
4888 goto out_unregister_pic;
4894 if (spic_drv_registered)
4895 acpi_bus_unregister_driver(&sony_pic_driver);
4900 static void __exit sony_laptop_exit(void)
4902 acpi_bus_unregister_driver(&sony_nc_driver);
4903 if (spic_drv_registered)
4904 acpi_bus_unregister_driver(&sony_pic_driver);
4907 module_init(sony_laptop_init);
4908 module_exit(sony_laptop_exit);