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;
1209 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1211 if (event >= 0x90) {
1212 unsigned int result = 0;
1213 unsigned int arg = 0;
1214 unsigned int handle = 0;
1215 unsigned int offset = event - 0x90;
1217 if (offset >= ARRAY_SIZE(handles->cap)) {
1218 pr_err("Event 0x%x outside of capabilities list\n",
1222 handle = handles->cap[offset];
1224 /* list of handles known for generating events */
1230 ret = sony_nc_hotkeys_decode(event, handle);
1233 sony_laptop_report_input_event(ret);
1242 /* events on this handle are reported when the
1243 * switch changes position or for battery
1244 * events. We'll notify both of them but only
1245 * update the rfkill device status when the
1248 ev_type = KILLSWITCH;
1249 sony_call_snc_handle(handle, 0x0100, &result);
1250 real_ev = result & 0x03;
1252 /* hw switch event */
1254 sony_nc_rfkill_update();
1260 /* Hybrid GFX switching */
1261 sony_call_snc_handle(handle, 0x0000, &result);
1262 dprintk("GFX switch event received (reason: %s)\n",
1263 (result == 0x1) ? "switch change" :
1264 (result == 0x2) ? "output switch" :
1265 (result == 0x3) ? "output switch" :
1268 ev_type = GFX_SWITCH;
1269 real_ev = __sony_nc_gfx_switch_status_get();
1273 /* Hybrid GFX switching SVS151290S */
1274 ev_type = GFX_SWITCH;
1275 real_ev = __sony_nc_gfx_switch_status_get();
1278 dprintk("Unknown event 0x%x for handle 0x%x\n",
1283 /* clear the event (and the event reason when present) */
1285 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1288 /* old style event */
1290 sony_laptop_report_input_event(real_ev);
1292 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1293 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1296 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1297 void *context, void **return_value)
1299 struct acpi_device_info *info;
1301 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1302 pr_warn("method: name: %4.4s, args %X\n",
1303 (char *)&info->name, info->param_count);
1314 static void sony_nc_function_setup(struct acpi_device *device,
1315 struct platform_device *pf_device)
1317 unsigned int i, result, bitmask, arg;
1322 /* setup found handles here */
1323 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1324 unsigned int handle = handles->cap[i];
1329 dprintk("setting up handle 0x%.4x\n", handle);
1336 sony_call_snc_handle(handle, 0, &result);
1340 sony_call_snc_handle(handle, 0x100, &result);
1344 /* touchpad enable/disable */
1345 result = sony_nc_touchpad_setup(pf_device, handle);
1347 pr_err("couldn't set up touchpad control function (%d)\n",
1353 result = sony_nc_battery_care_setup(pf_device, handle);
1355 pr_err("couldn't set up battery care function (%d)\n",
1360 result = sony_nc_lid_resume_setup(pf_device, handle);
1362 pr_err("couldn't set up lid resume function (%d)\n",
1366 result = sony_nc_thermal_setup(pf_device);
1368 pr_err("couldn't set up thermal profile function (%d)\n",
1374 result = sony_nc_gfx_switch_setup(pf_device, handle);
1376 pr_err("couldn't set up GFX Switch status (%d)\n",
1380 result = sony_nc_highspeed_charging_setup(pf_device);
1382 pr_err("couldn't set up high speed charging function (%d)\n",
1387 result = sony_nc_rfkill_setup(device, handle);
1389 pr_err("couldn't set up rfkill support (%d)\n",
1397 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1399 pr_err("couldn't set up keyboard backlight function (%d)\n",
1403 result = sony_nc_lowbatt_setup(pf_device);
1405 pr_err("couldn't set up low battery function (%d)\n",
1409 result = sony_nc_fanspeed_setup(pf_device);
1411 pr_err("couldn't set up fan speed function (%d)\n",
1415 result = sony_nc_usb_charge_setup(pf_device);
1417 pr_err("couldn't set up USB charge support (%d)\n",
1421 result = sony_nc_panelid_setup(pf_device);
1423 pr_err("couldn't set up panel ID function (%d)\n",
1427 result = sony_nc_smart_conn_setup(pf_device);
1429 pr_err("couldn't set up smart connect support (%d)\n",
1437 /* Enable all events */
1439 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1440 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1444 static void sony_nc_function_cleanup(struct platform_device *pd)
1446 unsigned int i, result, bitmask, handle;
1448 /* get enabled events and disable them */
1449 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1450 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1452 /* cleanup handles here */
1453 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1455 handle = handles->cap[i];
1463 sony_nc_touchpad_cleanup(pd);
1468 sony_nc_battery_care_cleanup(pd);
1472 sony_nc_lid_resume_cleanup(pd);
1475 sony_nc_thermal_cleanup(pd);
1480 sony_nc_gfx_switch_cleanup(pd);
1483 sony_nc_highspeed_charging_cleanup(pd);
1487 sony_nc_rfkill_cleanup();
1494 sony_nc_kbd_backlight_cleanup(pd, handle);
1497 sony_nc_lowbatt_cleanup(pd);
1500 sony_nc_fanspeed_cleanup(pd);
1503 sony_nc_usb_charge_cleanup(pd);
1506 sony_nc_panelid_cleanup(pd);
1509 sony_nc_smart_conn_cleanup(pd);
1516 /* finally cleanup the handles list */
1517 sony_nc_handles_cleanup(pd);
1520 #ifdef CONFIG_PM_SLEEP
1521 static void sony_nc_function_resume(void)
1523 unsigned int i, result, bitmask, arg;
1525 dprintk("Resuming SNC device\n");
1527 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1528 unsigned int handle = handles->cap[i];
1537 /* re-enable hotkeys */
1538 sony_call_snc_handle(handle, 0, &result);
1541 /* re-enable hotkeys */
1542 sony_call_snc_handle(handle, 0x100, &result);
1545 sony_nc_thermal_resume();
1549 sony_nc_rfkill_update();
1556 /* Enable all events */
1558 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1559 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1563 static int sony_nc_resume(struct device *dev)
1565 struct sony_nc_value *item;
1567 for (item = sony_nc_values; item->name; item++) {
1572 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1573 &item->value, NULL);
1575 pr_err("%s: %d\n", __func__, ret);
1580 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1582 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1583 dprintk("ECON Method failed\n");
1586 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1587 sony_nc_function_resume();
1593 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1595 static void sony_nc_rfkill_cleanup(void)
1599 for (i = 0; i < N_SONY_RFKILL; i++) {
1600 if (sony_rfkill_devices[i]) {
1601 rfkill_unregister(sony_rfkill_devices[i]);
1602 rfkill_destroy(sony_rfkill_devices[i]);
1607 static int sony_nc_rfkill_set(void *data, bool blocked)
1610 int argument = sony_rfkill_address[(long) data] + 0x100;
1613 argument |= 0x070000;
1615 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1618 static const struct rfkill_ops sony_rfkill_ops = {
1619 .set_block = sony_nc_rfkill_set,
1622 static int sony_nc_setup_rfkill(struct acpi_device *device,
1623 enum sony_nc_rfkill nc_type)
1627 enum rfkill_type type;
1630 bool hwblock, swblock;
1634 type = RFKILL_TYPE_WLAN;
1637 case SONY_BLUETOOTH:
1638 type = RFKILL_TYPE_BLUETOOTH;
1639 name = "sony-bluetooth";
1642 type = RFKILL_TYPE_WWAN;
1646 type = RFKILL_TYPE_WIMAX;
1647 name = "sony-wimax";
1653 rfk = rfkill_alloc(name, &device->dev, type,
1654 &sony_rfkill_ops, (void *)nc_type);
1658 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1659 rfkill_destroy(rfk);
1662 hwblock = !(result & 0x1);
1664 if (sony_call_snc_handle(sony_rfkill_handle,
1665 sony_rfkill_address[nc_type],
1667 rfkill_destroy(rfk);
1670 swblock = !(result & 0x2);
1672 rfkill_init_sw_state(rfk, swblock);
1673 rfkill_set_hw_state(rfk, hwblock);
1675 err = rfkill_register(rfk);
1677 rfkill_destroy(rfk);
1680 sony_rfkill_devices[nc_type] = rfk;
1684 static void sony_nc_rfkill_update(void)
1686 enum sony_nc_rfkill i;
1690 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1691 hwblock = !(result & 0x1);
1693 for (i = 0; i < N_SONY_RFKILL; i++) {
1694 int argument = sony_rfkill_address[i];
1696 if (!sony_rfkill_devices[i])
1700 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1701 /* we already know we're blocked */
1706 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1707 rfkill_set_states(sony_rfkill_devices[i],
1708 !(result & 0x2), false);
1712 static int sony_nc_rfkill_setup(struct acpi_device *device,
1713 unsigned int handle)
1717 unsigned char buffer[32] = { 0 };
1719 offset = sony_find_snc_handle(handle);
1720 sony_rfkill_handle = handle;
1722 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1727 /* The buffer is filled with magic numbers describing the devices
1728 * available, 0xff terminates the enumeration.
1732 * 0x20 WWAN GPRS-EDGE
1736 * 0x25 Gobi WWAN no GPS
1737 * 0x26 Gobi WWAN + GPS
1738 * 0x28 Gobi WWAN no GPS
1739 * 0x29 Gobi WWAN + GPS
1741 * 0x50 Gobi WWAN no GPS
1742 * 0x51 Gobi WWAN + GPS
1743 * 0x70 no SIM card slot
1744 * 0x71 SIM card slot
1746 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1748 if (buffer[i] == 0xff)
1751 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1753 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1754 sony_nc_setup_rfkill(device, SONY_WIFI);
1756 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1757 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1759 if (((0xf0 & buffer[i]) == 0x20 ||
1760 (0xf0 & buffer[i]) == 0x50) &&
1761 !sony_rfkill_devices[SONY_WWAN])
1762 sony_nc_setup_rfkill(device, SONY_WWAN);
1764 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1765 sony_nc_setup_rfkill(device, SONY_WIMAX);
1770 /* Keyboard backlight feature */
1771 struct kbd_backlight {
1772 unsigned int handle;
1775 unsigned int timeout;
1776 struct device_attribute mode_attr;
1777 struct device_attribute timeout_attr;
1780 static struct kbd_backlight *kbdbl_ctl;
1782 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1789 if (sony_call_snc_handle(kbdbl_ctl->handle,
1790 (value << 0x10) | (kbdbl_ctl->base), &result))
1793 /* Try to turn the light on/off immediately */
1795 sony_call_snc_handle(kbdbl_ctl->handle,
1796 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1799 kbdbl_ctl->mode = value;
1804 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1805 struct device_attribute *attr,
1806 const char *buffer, size_t count)
1809 unsigned long value;
1814 if (kstrtoul(buffer, 10, &value))
1817 ret = __sony_nc_kbd_backlight_mode_set(value);
1824 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1825 struct device_attribute *attr, char *buffer)
1828 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1832 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1839 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1840 (kbdbl_ctl->base + 0x200), &result))
1843 kbdbl_ctl->timeout = value;
1848 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1849 struct device_attribute *attr,
1850 const char *buffer, size_t count)
1853 unsigned long value;
1858 if (kstrtoul(buffer, 10, &value))
1861 ret = __sony_nc_kbd_backlight_timeout_set(value);
1868 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1869 struct device_attribute *attr, char *buffer)
1872 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1876 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1877 unsigned int handle)
1883 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1884 handle, kbdbl_ctl->handle);
1888 /* verify the kbd backlight presence, these handles are not used for
1889 * keyboard backlight only
1891 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1896 if ((handle == 0x0137 && !(result & 0x02)) ||
1898 dprintk("no backlight keyboard found\n");
1902 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1906 kbdbl_ctl->mode = kbd_backlight;
1907 kbdbl_ctl->timeout = kbd_backlight_timeout;
1908 kbdbl_ctl->handle = handle;
1909 if (handle == 0x0137)
1910 kbdbl_ctl->base = 0x0C00;
1912 kbdbl_ctl->base = 0x4000;
1914 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1915 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1916 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1917 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1918 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1920 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1921 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1922 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1923 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1924 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1926 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1930 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1934 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1935 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1940 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1947 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1948 unsigned int handle)
1950 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1951 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1952 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1958 struct battery_care_control {
1959 struct device_attribute attrs[2];
1960 unsigned int handle;
1962 static struct battery_care_control *bcare_ctl;
1964 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1965 struct device_attribute *attr,
1966 const char *buffer, size_t count)
1968 unsigned int result, cmd;
1969 unsigned long value;
1974 if (kstrtoul(buffer, 10, &value))
1977 /* limit values (2 bits):
1983 * bit 0: 0 disable BCL, 1 enable BCL
1984 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1985 * bits 2,3: reserved
1986 * bits 4,5: store the limit into the EC
1987 * bits 6,7: store the limit into the battery
1995 else if (value <= 80)
1998 else if (value <= 100)
2005 * handle 0x0115 should allow storing on battery too;
2006 * handle 0x0136 same as 0x0115 + health status;
2007 * handle 0x013f, same as 0x0136 but no storing on the battery
2009 if (bcare_ctl->handle != 0x013f)
2010 cmd = cmd | (cmd << 2);
2012 cmd = (cmd | 0x1) << 0x10;
2015 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2021 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2022 struct device_attribute *attr, char *buffer)
2024 unsigned int result, status;
2026 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2029 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2045 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2048 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2049 struct device_attribute *attr, char *buffer)
2052 unsigned int health;
2054 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2057 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2062 static int sony_nc_battery_care_setup(struct platform_device *pd,
2063 unsigned int handle)
2067 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2071 bcare_ctl->handle = handle;
2073 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2074 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2075 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2076 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2077 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2079 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2083 /* 0x0115 is for models with no health reporting capability */
2084 if (handle == 0x0115)
2087 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2088 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2089 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2090 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2092 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2099 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2108 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2111 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2112 if (bcare_ctl->handle != 0x0115)
2113 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2120 struct snc_thermal_ctrl {
2122 unsigned int profiles;
2123 struct device_attribute mode_attr;
2124 struct device_attribute profiles_attr;
2126 static struct snc_thermal_ctrl *th_handle;
2128 #define THM_PROFILE_MAX 3
2129 static const char * const snc_thermal_profiles[] = {
2135 static int sony_nc_thermal_mode_set(unsigned short mode)
2137 unsigned int result;
2139 /* the thermal profile seems to be a two bit bitmask:
2141 * msb -> performance
2142 * no bit set is the normal operation and is always valid
2143 * Some vaio models only have "balanced" and "performance"
2145 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2148 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2151 th_handle->mode = mode;
2156 static int sony_nc_thermal_mode_get(void)
2158 unsigned int result;
2160 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2163 return result & 0xff;
2166 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2167 struct device_attribute *attr, char *buffer)
2172 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2173 if (!cnt || (th_handle->profiles & cnt))
2174 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2175 snc_thermal_profiles[cnt]);
2177 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2182 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2183 struct device_attribute *attr,
2184 const char *buffer, size_t count)
2192 /* skip the newline if present */
2193 if (buffer[len - 1] == '\n')
2196 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2197 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2200 if (sony_nc_thermal_mode_set(cmd))
2206 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2207 struct device_attribute *attr, char *buffer)
2210 int mode = sony_nc_thermal_mode_get();
2215 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2220 static int sony_nc_thermal_setup(struct platform_device *pd)
2223 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2227 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2229 pr_warn("couldn't to read the thermal profiles\n");
2233 ret = sony_nc_thermal_mode_get();
2235 pr_warn("couldn't to read the current thermal profile");
2238 th_handle->mode = ret;
2240 sysfs_attr_init(&th_handle->profiles_attr.attr);
2241 th_handle->profiles_attr.attr.name = "thermal_profiles";
2242 th_handle->profiles_attr.attr.mode = S_IRUGO;
2243 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2245 sysfs_attr_init(&th_handle->mode_attr.attr);
2246 th_handle->mode_attr.attr.name = "thermal_control";
2247 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2248 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2249 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2251 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2255 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2262 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2269 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2272 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2273 device_remove_file(&pd->dev, &th_handle->mode_attr);
2279 #ifdef CONFIG_PM_SLEEP
2280 static void sony_nc_thermal_resume(void)
2282 unsigned int status = sony_nc_thermal_mode_get();
2284 if (status != th_handle->mode)
2285 sony_nc_thermal_mode_set(th_handle->mode);
2289 /* resume on LID open */
2290 #define LID_RESUME_S5 0
2291 #define LID_RESUME_S4 1
2292 #define LID_RESUME_S3 2
2293 #define LID_RESUME_MAX 3
2294 struct snc_lid_resume_control {
2295 struct device_attribute attrs[LID_RESUME_MAX];
2296 unsigned int status;
2299 static struct snc_lid_resume_control *lid_ctl;
2301 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2302 struct device_attribute *attr,
2303 const char *buffer, size_t count)
2305 unsigned int result;
2306 unsigned long value;
2307 unsigned int pos = LID_RESUME_S5;
2311 if (kstrtoul(buffer, 10, &value) || value > 1)
2314 /* the value we have to write to SNC is a bitmask:
2320 while (pos < LID_RESUME_MAX) {
2321 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2325 if (pos == LID_RESUME_MAX)
2329 value = lid_ctl->status | (1 << pos);
2331 value = lid_ctl->status & ~(1 << pos);
2333 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2337 lid_ctl->status = value;
2342 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2343 struct device_attribute *attr,
2346 unsigned int pos = LID_RESUME_S5;
2348 while (pos < LID_RESUME_MAX) {
2349 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2350 return snprintf(buffer, PAGE_SIZE, "%d\n",
2351 (lid_ctl->status >> pos) & 0x01);
2357 static int sony_nc_lid_resume_setup(struct platform_device *pd,
2358 unsigned int handle)
2360 unsigned int result;
2363 if (sony_call_snc_handle(handle, 0x0000, &result))
2366 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2370 lid_ctl->status = result & 0x7;
2371 lid_ctl->handle = handle;
2373 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2374 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2375 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2376 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2377 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2379 if (handle == 0x0119) {
2380 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2381 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2382 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2383 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2384 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2386 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2387 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2388 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2389 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2390 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2392 for (i = 0; i < LID_RESUME_MAX &&
2393 lid_ctl->attrs[i].attr.name; i++) {
2394 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2402 for (i--; i >= 0; i--)
2403 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2411 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2416 for (i = 0; i < LID_RESUME_MAX; i++) {
2417 if (!lid_ctl->attrs[i].attr.name)
2420 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2428 /* GFX Switch position */
2434 struct snc_gfx_switch_control {
2435 struct device_attribute attr;
2436 unsigned int handle;
2438 static struct snc_gfx_switch_control *gfxs_ctl;
2440 /* returns 0 for speed, 1 for stamina */
2441 static int __sony_nc_gfx_switch_status_get(void)
2443 unsigned int result;
2445 if (sony_call_snc_handle(gfxs_ctl->handle,
2446 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2450 switch (gfxs_ctl->handle) {
2452 /* 1: discrete GFX (speed)
2453 * 0: integrated GFX (stamina)
2455 return result & 0x1 ? SPEED : STAMINA;
2458 /* 0: discrete GFX (speed)
2459 * 1: integrated GFX (stamina)
2461 return result & 0x1 ? STAMINA : SPEED;
2464 /* it's a more elaborated bitmask, for now:
2465 * 2: integrated GFX (stamina)
2466 * 0: discrete GFX (speed)
2468 dprintk("GFX Status: 0x%x\n", result);
2469 return result & 0x80 ? AUTO :
2470 result & 0x02 ? STAMINA : SPEED;
2476 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2477 struct device_attribute *attr,
2480 int pos = __sony_nc_gfx_switch_status_get();
2485 return snprintf(buffer, PAGE_SIZE, "%s\n",
2486 pos == SPEED ? "speed" :
2487 pos == STAMINA ? "stamina" :
2488 pos == AUTO ? "auto" : "unknown");
2491 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2492 unsigned int handle)
2494 unsigned int result;
2496 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2500 gfxs_ctl->handle = handle;
2502 sysfs_attr_init(&gfxs_ctl->attr.attr);
2503 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2504 gfxs_ctl->attr.attr.mode = S_IRUGO;
2505 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2507 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2520 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2523 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2530 /* High speed charging function */
2531 static struct device_attribute *hsc_handle;
2533 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2534 struct device_attribute *attr,
2535 const char *buffer, size_t count)
2537 unsigned int result;
2538 unsigned long value;
2543 if (kstrtoul(buffer, 10, &value) || value > 1)
2546 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2552 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2553 struct device_attribute *attr, char *buffer)
2555 unsigned int result;
2557 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2560 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2563 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2565 unsigned int result;
2567 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2568 /* some models advertise the handle but have no implementation
2571 pr_info("No High Speed Charging capability found\n");
2575 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2579 sysfs_attr_init(&hsc_handle->attr);
2580 hsc_handle->attr.name = "battery_highspeed_charging";
2581 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2582 hsc_handle->show = sony_nc_highspeed_charging_show;
2583 hsc_handle->store = sony_nc_highspeed_charging_store;
2585 result = device_create_file(&pd->dev, hsc_handle);
2595 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2598 device_remove_file(&pd->dev, hsc_handle);
2604 /* low battery function */
2605 static struct device_attribute *lowbatt_handle;
2607 static ssize_t sony_nc_lowbatt_store(struct device *dev,
2608 struct device_attribute *attr,
2609 const char *buffer, size_t count)
2611 unsigned int result;
2612 unsigned long value;
2617 if (kstrtoul(buffer, 10, &value) || value > 1)
2620 if (sony_call_snc_handle(0x0121, value << 8, &result))
2626 static ssize_t sony_nc_lowbatt_show(struct device *dev,
2627 struct device_attribute *attr, char *buffer)
2629 unsigned int result;
2631 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2634 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2637 static int sony_nc_lowbatt_setup(struct platform_device *pd)
2639 unsigned int result;
2641 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2642 if (!lowbatt_handle)
2645 sysfs_attr_init(&lowbatt_handle->attr);
2646 lowbatt_handle->attr.name = "lowbatt_hibernate";
2647 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2648 lowbatt_handle->show = sony_nc_lowbatt_show;
2649 lowbatt_handle->store = sony_nc_lowbatt_store;
2651 result = device_create_file(&pd->dev, lowbatt_handle);
2653 kfree(lowbatt_handle);
2654 lowbatt_handle = NULL;
2661 static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2663 if (lowbatt_handle) {
2664 device_remove_file(&pd->dev, lowbatt_handle);
2665 kfree(lowbatt_handle);
2666 lowbatt_handle = NULL;
2670 /* fan speed function */
2671 static struct device_attribute *fan_handle, *hsf_handle;
2673 static ssize_t sony_nc_hsfan_store(struct device *dev,
2674 struct device_attribute *attr,
2675 const char *buffer, size_t count)
2677 unsigned int result;
2678 unsigned long value;
2683 if (kstrtoul(buffer, 10, &value) || value > 1)
2686 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2692 static ssize_t sony_nc_hsfan_show(struct device *dev,
2693 struct device_attribute *attr, char *buffer)
2695 unsigned int result;
2697 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2700 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2703 static ssize_t sony_nc_fanspeed_show(struct device *dev,
2704 struct device_attribute *attr, char *buffer)
2706 unsigned int result;
2708 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2711 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2714 static int sony_nc_fanspeed_setup(struct platform_device *pd)
2716 unsigned int result;
2718 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2722 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2725 goto out_hsf_handle_alloc;
2728 sysfs_attr_init(&fan_handle->attr);
2729 fan_handle->attr.name = "fanspeed";
2730 fan_handle->attr.mode = S_IRUGO;
2731 fan_handle->show = sony_nc_fanspeed_show;
2732 fan_handle->store = NULL;
2734 sysfs_attr_init(&hsf_handle->attr);
2735 hsf_handle->attr.name = "fan_forced";
2736 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2737 hsf_handle->show = sony_nc_hsfan_show;
2738 hsf_handle->store = sony_nc_hsfan_store;
2740 result = device_create_file(&pd->dev, fan_handle);
2742 goto out_fan_handle;
2744 result = device_create_file(&pd->dev, hsf_handle);
2746 goto out_hsf_handle;
2751 device_remove_file(&pd->dev, fan_handle);
2757 out_hsf_handle_alloc:
2763 static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2766 device_remove_file(&pd->dev, fan_handle);
2771 device_remove_file(&pd->dev, hsf_handle);
2777 /* USB charge function */
2778 static struct device_attribute *uc_handle;
2780 static ssize_t sony_nc_usb_charge_store(struct device *dev,
2781 struct device_attribute *attr,
2782 const char *buffer, size_t count)
2784 unsigned int result;
2785 unsigned long value;
2790 if (kstrtoul(buffer, 10, &value) || value > 1)
2793 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2799 static ssize_t sony_nc_usb_charge_show(struct device *dev,
2800 struct device_attribute *attr, char *buffer)
2802 unsigned int result;
2804 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2807 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2810 static int sony_nc_usb_charge_setup(struct platform_device *pd)
2812 unsigned int result;
2814 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2815 /* some models advertise the handle but have no implementation
2818 pr_info("No USB Charge capability found\n");
2822 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2826 sysfs_attr_init(&uc_handle->attr);
2827 uc_handle->attr.name = "usb_charge";
2828 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2829 uc_handle->show = sony_nc_usb_charge_show;
2830 uc_handle->store = sony_nc_usb_charge_store;
2832 result = device_create_file(&pd->dev, uc_handle);
2842 static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2845 device_remove_file(&pd->dev, uc_handle);
2851 /* Panel ID function */
2852 static struct device_attribute *panel_handle;
2854 static ssize_t sony_nc_panelid_show(struct device *dev,
2855 struct device_attribute *attr, char *buffer)
2857 unsigned int result;
2859 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2862 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2865 static int sony_nc_panelid_setup(struct platform_device *pd)
2867 unsigned int result;
2869 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2873 sysfs_attr_init(&panel_handle->attr);
2874 panel_handle->attr.name = "panel_id";
2875 panel_handle->attr.mode = S_IRUGO;
2876 panel_handle->show = sony_nc_panelid_show;
2877 panel_handle->store = NULL;
2879 result = device_create_file(&pd->dev, panel_handle);
2881 kfree(panel_handle);
2882 panel_handle = NULL;
2889 static void sony_nc_panelid_cleanup(struct platform_device *pd)
2892 device_remove_file(&pd->dev, panel_handle);
2893 kfree(panel_handle);
2894 panel_handle = NULL;
2898 /* smart connect function */
2899 static struct device_attribute *sc_handle;
2901 static ssize_t sony_nc_smart_conn_store(struct device *dev,
2902 struct device_attribute *attr,
2903 const char *buffer, size_t count)
2905 unsigned int result;
2906 unsigned long value;
2911 if (kstrtoul(buffer, 10, &value) || value > 1)
2914 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2920 static int sony_nc_smart_conn_setup(struct platform_device *pd)
2922 unsigned int result;
2924 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2928 sysfs_attr_init(&sc_handle->attr);
2929 sc_handle->attr.name = "smart_connect";
2930 sc_handle->attr.mode = S_IWUSR;
2931 sc_handle->show = NULL;
2932 sc_handle->store = sony_nc_smart_conn_store;
2934 result = device_create_file(&pd->dev, sc_handle);
2944 static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2947 device_remove_file(&pd->dev, sc_handle);
2953 /* Touchpad enable/disable */
2954 struct touchpad_control {
2955 struct device_attribute attr;
2958 static struct touchpad_control *tp_ctl;
2960 static ssize_t sony_nc_touchpad_store(struct device *dev,
2961 struct device_attribute *attr, const char *buffer, size_t count)
2963 unsigned int result;
2964 unsigned long value;
2969 if (kstrtoul(buffer, 10, &value) || value > 1)
2972 /* sysfs: 0 disabled, 1 enabled
2973 * EC: 0 enabled, 1 disabled
2975 if (sony_call_snc_handle(tp_ctl->handle,
2976 (!value << 0x10) | 0x100, &result))
2982 static ssize_t sony_nc_touchpad_show(struct device *dev,
2983 struct device_attribute *attr, char *buffer)
2985 unsigned int result;
2987 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2990 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2993 static int sony_nc_touchpad_setup(struct platform_device *pd,
2994 unsigned int handle)
2998 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
3002 tp_ctl->handle = handle;
3004 sysfs_attr_init(&tp_ctl->attr.attr);
3005 tp_ctl->attr.attr.name = "touchpad";
3006 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3007 tp_ctl->attr.show = sony_nc_touchpad_show;
3008 tp_ctl->attr.store = sony_nc_touchpad_store;
3010 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3019 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3022 device_remove_file(&pd->dev, &tp_ctl->attr);
3028 static void sony_nc_backlight_ng_read_limits(int handle,
3029 struct sony_backlight_props *props)
3033 int lvl_table_len = 0;
3034 u8 min = 0xff, max = 0x00;
3035 unsigned char buffer[32] = { 0 };
3037 props->handle = handle;
3039 props->maxlvl = 0xff;
3041 offset = sony_find_snc_handle(handle);
3043 /* try to read the boundaries from ACPI tables, if we fail the above
3044 * defaults should be reasonable
3046 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3063 /* the buffer lists brightness levels available, brightness levels are
3064 * from position 0 to 8 in the array, other values are used by ALS
3067 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3069 dprintk("Brightness level: %d\n", buffer[i]);
3074 if (buffer[i] > max)
3076 if (buffer[i] < min)
3079 props->offset = min;
3080 props->maxlvl = max;
3081 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3085 static void sony_nc_backlight_setup(void)
3087 int max_brightness = 0;
3088 const struct backlight_ops *ops = NULL;
3089 struct backlight_properties props;
3091 if (sony_find_snc_handle(0x12f) >= 0) {
3092 ops = &sony_backlight_ng_ops;
3093 sony_bl_props.cmd_base = 0x0100;
3094 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3095 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3097 } else if (sony_find_snc_handle(0x137) >= 0) {
3098 ops = &sony_backlight_ng_ops;
3099 sony_bl_props.cmd_base = 0x0100;
3100 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3101 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3103 } else if (sony_find_snc_handle(0x143) >= 0) {
3104 ops = &sony_backlight_ng_ops;
3105 sony_bl_props.cmd_base = 0x3000;
3106 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3107 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3109 } else if (sony_find_snc_handle(0x14b) >= 0) {
3110 ops = &sony_backlight_ng_ops;
3111 sony_bl_props.cmd_base = 0x3000;
3112 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3113 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3115 } else if (sony_find_snc_handle(0x14c) >= 0) {
3116 ops = &sony_backlight_ng_ops;
3117 sony_bl_props.cmd_base = 0x3000;
3118 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3119 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3121 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3122 ops = &sony_backlight_ops;
3123 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3128 memset(&props, 0, sizeof(struct backlight_properties));
3129 props.type = BACKLIGHT_PLATFORM;
3130 props.max_brightness = max_brightness;
3131 sony_bl_props.dev = backlight_device_register("sony", NULL,
3135 if (IS_ERR(sony_bl_props.dev)) {
3136 pr_warn("unable to register backlight device\n");
3137 sony_bl_props.dev = NULL;
3139 sony_bl_props.dev->props.brightness =
3140 ops->get_brightness(sony_bl_props.dev);
3143 static void sony_nc_backlight_cleanup(void)
3145 backlight_device_unregister(sony_bl_props.dev);
3148 static int sony_nc_add(struct acpi_device *device)
3152 struct sony_nc_value *item;
3154 sony_nc_acpi_device = device;
3155 strcpy(acpi_device_class(device), "sony/hotkey");
3157 sony_nc_acpi_handle = device->handle;
3159 /* read device status */
3160 result = acpi_bus_get_status(device);
3161 /* bail IFF the above call was successful and the device is not present */
3162 if (!result && !device->status.present) {
3163 dprintk("Device not present\n");
3168 result = sony_pf_add();
3173 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3174 sony_nc_acpi_handle, 1, sony_walk_callback,
3176 if (ACPI_FAILURE(status)) {
3177 pr_warn("unable to walk acpi resources\n");
3183 result = sony_laptop_setup_input(device);
3185 pr_err("Unable to create input devices\n");
3189 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3191 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3192 dprintk("ECON Method failed\n");
3195 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3196 dprintk("Doing SNC setup\n");
3197 /* retrieve the available handles */
3198 result = sony_nc_handles_setup(sony_pf_device);
3200 sony_nc_function_setup(device, sony_pf_device);
3203 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3204 sony_nc_backlight_setup();
3206 /* create sony_pf sysfs attributes related to the SNC device */
3207 for (item = sony_nc_values; item->name; ++item) {
3209 if (!debug && item->debug)
3212 /* find the available acpiget as described in the DSDT */
3213 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3214 if (acpi_has_method(sony_nc_acpi_handle,
3216 dprintk("Found %s getter: %s\n",
3217 item->name, *item->acpiget);
3218 item->devattr.attr.mode |= S_IRUGO;
3223 /* find the available acpiset as described in the DSDT */
3224 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3225 if (acpi_has_method(sony_nc_acpi_handle,
3227 dprintk("Found %s setter: %s\n",
3228 item->name, *item->acpiset);
3229 item->devattr.attr.mode |= S_IWUSR;
3234 if (item->devattr.attr.mode != 0) {
3236 device_create_file(&sony_pf_device->dev,
3243 pr_info("SNC setup done.\n");
3247 for (item = sony_nc_values; item->name; ++item) {
3248 device_remove_file(&sony_pf_device->dev, &item->devattr);
3250 sony_nc_backlight_cleanup();
3251 sony_nc_function_cleanup(sony_pf_device);
3252 sony_nc_handles_cleanup(sony_pf_device);
3255 sony_laptop_remove_input();
3261 sony_nc_rfkill_cleanup();
3265 static int sony_nc_remove(struct acpi_device *device)
3267 struct sony_nc_value *item;
3269 sony_nc_backlight_cleanup();
3271 sony_nc_acpi_device = NULL;
3273 for (item = sony_nc_values; item->name; ++item) {
3274 device_remove_file(&sony_pf_device->dev, &item->devattr);
3277 sony_nc_function_cleanup(sony_pf_device);
3278 sony_nc_handles_cleanup(sony_pf_device);
3280 sony_laptop_remove_input();
3281 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3286 static const struct acpi_device_id sony_device_ids[] = {
3291 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3293 static const struct acpi_device_id sony_nc_device_ids[] = {
3298 static struct acpi_driver sony_nc_driver = {
3299 .name = SONY_NC_DRIVER_NAME,
3300 .class = SONY_NC_CLASS,
3301 .ids = sony_nc_device_ids,
3302 .owner = THIS_MODULE,
3305 .remove = sony_nc_remove,
3306 .notify = sony_nc_notify,
3308 .drv.pm = &sony_nc_pm,
3311 /*********** SPIC (SNY6001) Device ***********/
3313 #define SONYPI_DEVICE_TYPE1 0x00000001
3314 #define SONYPI_DEVICE_TYPE2 0x00000002
3315 #define SONYPI_DEVICE_TYPE3 0x00000004
3317 #define SONYPI_TYPE1_OFFSET 0x04
3318 #define SONYPI_TYPE2_OFFSET 0x12
3319 #define SONYPI_TYPE3_OFFSET 0x12
3321 struct sony_pic_ioport {
3322 struct acpi_resource_io io1;
3323 struct acpi_resource_io io2;
3324 struct list_head list;
3327 struct sony_pic_irq {
3328 struct acpi_resource_irq irq;
3329 struct list_head list;
3332 struct sonypi_eventtypes {
3335 struct sonypi_event *events;
3338 struct sony_pic_dev {
3339 struct acpi_device *acpi_dev;
3340 struct sony_pic_irq *cur_irq;
3341 struct sony_pic_ioport *cur_ioport;
3342 struct list_head interrupts;
3343 struct list_head ioports;
3345 struct sonypi_eventtypes *event_types;
3346 int (*handle_irq)(const u8, const u8);
3354 static struct sony_pic_dev spic_dev = {
3355 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3356 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3359 static int spic_drv_registered;
3362 #define SONYPI_JOGGER_MASK 0x00000001
3363 #define SONYPI_CAPTURE_MASK 0x00000002
3364 #define SONYPI_FNKEY_MASK 0x00000004
3365 #define SONYPI_BLUETOOTH_MASK 0x00000008
3366 #define SONYPI_PKEY_MASK 0x00000010
3367 #define SONYPI_BACK_MASK 0x00000020
3368 #define SONYPI_HELP_MASK 0x00000040
3369 #define SONYPI_LID_MASK 0x00000080
3370 #define SONYPI_ZOOM_MASK 0x00000100
3371 #define SONYPI_THUMBPHRASE_MASK 0x00000200
3372 #define SONYPI_MEYE_MASK 0x00000400
3373 #define SONYPI_MEMORYSTICK_MASK 0x00000800
3374 #define SONYPI_BATTERY_MASK 0x00001000
3375 #define SONYPI_WIRELESS_MASK 0x00002000
3377 struct sonypi_event {
3382 /* The set of possible button release events */
3383 static struct sonypi_event sonypi_releaseev[] = {
3384 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3388 /* The set of possible jogger events */
3389 static struct sonypi_event sonypi_joggerev[] = {
3390 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3391 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3392 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3393 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3394 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3395 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3396 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3397 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3398 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3399 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3400 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3401 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3402 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3406 /* The set of possible capture button events */
3407 static struct sonypi_event sonypi_captureev[] = {
3408 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3409 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3410 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3411 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3415 /* The set of possible fnkeys events */
3416 static struct sonypi_event sonypi_fnkeyev[] = {
3417 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3418 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3419 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3420 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3421 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3422 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3423 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3424 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3425 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3426 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3427 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3428 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3429 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3430 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3431 { 0x21, SONYPI_EVENT_FNKEY_1 },
3432 { 0x22, SONYPI_EVENT_FNKEY_2 },
3433 { 0x31, SONYPI_EVENT_FNKEY_D },
3434 { 0x32, SONYPI_EVENT_FNKEY_E },
3435 { 0x33, SONYPI_EVENT_FNKEY_F },
3436 { 0x34, SONYPI_EVENT_FNKEY_S },
3437 { 0x35, SONYPI_EVENT_FNKEY_B },
3438 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3442 /* The set of possible program key events */
3443 static struct sonypi_event sonypi_pkeyev[] = {
3444 { 0x01, SONYPI_EVENT_PKEY_P1 },
3445 { 0x02, SONYPI_EVENT_PKEY_P2 },
3446 { 0x04, SONYPI_EVENT_PKEY_P3 },
3447 { 0x20, SONYPI_EVENT_PKEY_P1 },
3451 /* The set of possible bluetooth events */
3452 static struct sonypi_event sonypi_blueev[] = {
3453 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3454 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3455 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3459 /* The set of possible wireless events */
3460 static struct sonypi_event sonypi_wlessev[] = {
3461 { 0x59, SONYPI_EVENT_IGNORE },
3462 { 0x5a, SONYPI_EVENT_IGNORE },
3466 /* The set of possible back button events */
3467 static struct sonypi_event sonypi_backev[] = {
3468 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3472 /* The set of possible help button events */
3473 static struct sonypi_event sonypi_helpev[] = {
3474 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3479 /* The set of possible lid events */
3480 static struct sonypi_event sonypi_lidev[] = {
3481 { 0x51, SONYPI_EVENT_LID_CLOSED },
3482 { 0x50, SONYPI_EVENT_LID_OPENED },
3486 /* The set of possible zoom events */
3487 static struct sonypi_event sonypi_zoomev[] = {
3488 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3489 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3490 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3491 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3495 /* The set of possible thumbphrase events */
3496 static struct sonypi_event sonypi_thumbphraseev[] = {
3497 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3501 /* The set of possible motioneye camera events */
3502 static struct sonypi_event sonypi_meyeev[] = {
3503 { 0x00, SONYPI_EVENT_MEYE_FACE },
3504 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3508 /* The set of possible memorystick events */
3509 static struct sonypi_event sonypi_memorystickev[] = {
3510 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3511 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3515 /* The set of possible battery events */
3516 static struct sonypi_event sonypi_batteryev[] = {
3517 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3518 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3522 /* The set of possible volume events */
3523 static struct sonypi_event sonypi_volumeev[] = {
3524 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3525 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3529 /* The set of possible brightness events */
3530 static struct sonypi_event sonypi_brightnessev[] = {
3531 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3535 static struct sonypi_eventtypes type1_events[] = {
3536 { 0, 0xffffffff, sonypi_releaseev },
3537 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3538 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3539 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3540 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3541 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3542 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3543 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3544 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3545 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3548 static struct sonypi_eventtypes type2_events[] = {
3549 { 0, 0xffffffff, sonypi_releaseev },
3550 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3551 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3552 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3553 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3554 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3555 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3556 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3557 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3558 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3559 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3560 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3561 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3562 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3565 static struct sonypi_eventtypes type3_events[] = {
3566 { 0, 0xffffffff, sonypi_releaseev },
3567 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3568 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3569 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3570 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3571 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3572 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3573 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3574 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3575 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3576 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3580 /* low level spic calls */
3581 #define ITERATIONS_LONG 10000
3582 #define ITERATIONS_SHORT 10
3583 #define wait_on_command(command, iterations) { \
3584 unsigned int n = iterations; \
3585 while (--n && (command)) \
3588 dprintk("command failed at %s : %s (line %d)\n", \
3589 __FILE__, __func__, __LINE__); \
3592 static u8 sony_pic_call1(u8 dev)
3596 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3598 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3599 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3600 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3601 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3605 static u8 sony_pic_call2(u8 dev, u8 fn)
3609 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3611 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3612 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3614 outb(fn, spic_dev.cur_ioport->io1.minimum);
3615 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3616 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3620 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3624 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3625 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3626 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3627 outb(fn, spic_dev.cur_ioport->io1.minimum);
3628 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3629 outb(v, spic_dev.cur_ioport->io1.minimum);
3630 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3631 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3637 * minidrivers for SPIC models
3639 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3642 * 0x31 could mean we have to take some extra action and wait for
3643 * the next irq for some Type3 models, it will generate a new
3644 * irq and we can read new data from the device:
3645 * - 0x5c and 0x5f requires 0xA0
3646 * - 0x61 requires 0xB3
3648 if (data_mask == 0x31) {
3649 if (ev == 0x5c || ev == 0x5f)
3650 sony_pic_call1(0xA0);
3651 else if (ev == 0x61)
3652 sony_pic_call1(0xB3);
3658 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3660 struct pci_dev *pcidev;
3662 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3663 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3665 dev->model = SONYPI_DEVICE_TYPE1;
3666 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3667 dev->event_types = type1_events;
3671 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3672 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3674 dev->model = SONYPI_DEVICE_TYPE2;
3675 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3676 dev->event_types = type2_events;
3680 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3681 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3683 dev->model = SONYPI_DEVICE_TYPE3;
3684 dev->handle_irq = type3_handle_irq;
3685 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3686 dev->event_types = type3_events;
3690 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3691 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3693 dev->model = SONYPI_DEVICE_TYPE3;
3694 dev->handle_irq = type3_handle_irq;
3695 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3696 dev->event_types = type3_events;
3700 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3701 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3703 dev->model = SONYPI_DEVICE_TYPE3;
3704 dev->handle_irq = type3_handle_irq;
3705 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3706 dev->event_types = type3_events;
3711 dev->model = SONYPI_DEVICE_TYPE2;
3712 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3713 dev->event_types = type2_events;
3716 pci_dev_put(pcidev);
3718 pr_info("detected Type%d model\n",
3719 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3720 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3723 /* camera tests and poweron/poweroff */
3724 #define SONYPI_CAMERA_PICTURE 5
3725 #define SONYPI_CAMERA_CONTROL 0x10
3727 #define SONYPI_CAMERA_BRIGHTNESS 0
3728 #define SONYPI_CAMERA_CONTRAST 1
3729 #define SONYPI_CAMERA_HUE 2
3730 #define SONYPI_CAMERA_COLOR 3
3731 #define SONYPI_CAMERA_SHARPNESS 4
3733 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3734 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3735 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3736 #define SONYPI_CAMERA_MUTE_MASK 0x40
3738 /* the rest don't need a loop until not 0xff */
3739 #define SONYPI_CAMERA_AGC 6
3740 #define SONYPI_CAMERA_AGC_MASK 0x30
3741 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3743 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3744 #define SONYPI_CAMERA_CONTROL 0x10
3746 #define SONYPI_CAMERA_STATUS 7
3747 #define SONYPI_CAMERA_STATUS_READY 0x2
3748 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3750 #define SONYPI_DIRECTION_BACKWARDS 0x4
3752 #define SONYPI_CAMERA_REVISION 8
3753 #define SONYPI_CAMERA_ROMVERSION 9
3755 static int __sony_pic_camera_ready(void)
3759 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3760 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3763 static int __sony_pic_camera_off(void)
3766 pr_warn("camera control not enabled\n");
3770 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3771 SONYPI_CAMERA_MUTE_MASK),
3774 if (spic_dev.camera_power) {
3775 sony_pic_call2(0x91, 0);
3776 spic_dev.camera_power = 0;
3781 static int __sony_pic_camera_on(void)
3786 pr_warn("camera control not enabled\n");
3790 if (spic_dev.camera_power)
3793 for (j = 5; j > 0; j--) {
3795 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3797 sony_pic_call1(0x93);
3799 for (i = 400; i > 0; i--) {
3800 if (__sony_pic_camera_ready())
3809 pr_warn("failed to power on camera\n");
3813 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3817 spic_dev.camera_power = 1;
3821 /* External camera command (exported to the motion eye v4l driver) */
3822 int sony_pic_camera_command(int command, u8 value)
3827 mutex_lock(&spic_dev.lock);
3830 case SONY_PIC_COMMAND_SETCAMERA:
3832 __sony_pic_camera_on();
3834 __sony_pic_camera_off();
3836 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3837 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3840 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3841 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3844 case SONY_PIC_COMMAND_SETCAMERAHUE:
3845 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3848 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3849 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3852 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3853 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3856 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3857 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3860 case SONY_PIC_COMMAND_SETCAMERAAGC:
3861 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3865 pr_err("sony_pic_camera_command invalid: %d\n", command);
3868 mutex_unlock(&spic_dev.lock);
3871 EXPORT_SYMBOL(sony_pic_camera_command);
3873 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3874 static void __sony_pic_set_wwanpower(u8 state)
3877 if (spic_dev.wwan_power == state)
3879 sony_pic_call2(0xB0, state);
3880 sony_pic_call1(0x82);
3881 spic_dev.wwan_power = state;
3884 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3885 struct device_attribute *attr,
3886 const char *buffer, size_t count)
3888 unsigned long value;
3892 if (kstrtoul(buffer, 10, &value))
3895 mutex_lock(&spic_dev.lock);
3896 __sony_pic_set_wwanpower(value);
3897 mutex_unlock(&spic_dev.lock);
3902 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3903 struct device_attribute *attr, char *buffer)
3906 mutex_lock(&spic_dev.lock);
3907 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3908 mutex_unlock(&spic_dev.lock);
3912 /* bluetooth subsystem power state */
3913 static void __sony_pic_set_bluetoothpower(u8 state)
3916 if (spic_dev.bluetooth_power == state)
3918 sony_pic_call2(0x96, state);
3919 sony_pic_call1(0x82);
3920 spic_dev.bluetooth_power = state;
3923 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3924 struct device_attribute *attr,
3925 const char *buffer, size_t count)
3927 unsigned long value;
3931 if (kstrtoul(buffer, 10, &value))
3934 mutex_lock(&spic_dev.lock);
3935 __sony_pic_set_bluetoothpower(value);
3936 mutex_unlock(&spic_dev.lock);
3941 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3942 struct device_attribute *attr, char *buffer)
3945 mutex_lock(&spic_dev.lock);
3946 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3947 mutex_unlock(&spic_dev.lock);
3952 /* FAN0 information (reverse engineered from ACPI tables) */
3953 #define SONY_PIC_FAN0_STATUS 0x93
3954 static int sony_pic_set_fanspeed(unsigned long value)
3956 return ec_write(SONY_PIC_FAN0_STATUS, value);
3959 static int sony_pic_get_fanspeed(u8 *value)
3961 return ec_read(SONY_PIC_FAN0_STATUS, value);
3964 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3965 struct device_attribute *attr,
3966 const char *buffer, size_t count)
3968 unsigned long value;
3972 if (kstrtoul(buffer, 10, &value))
3975 if (sony_pic_set_fanspeed(value))
3981 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3982 struct device_attribute *attr, char *buffer)
3985 if (sony_pic_get_fanspeed(&value))
3988 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3991 #define SPIC_ATTR(_name, _mode) \
3992 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3993 _mode, sony_pic_## _name ##_show, \
3994 sony_pic_## _name ##_store)
3996 static SPIC_ATTR(bluetoothpower, 0644);
3997 static SPIC_ATTR(wwanpower, 0644);
3998 static SPIC_ATTR(fanspeed, 0644);
4000 static struct attribute *spic_attributes[] = {
4001 &spic_attr_bluetoothpower.attr,
4002 &spic_attr_wwanpower.attr,
4003 &spic_attr_fanspeed.attr,
4007 static struct attribute_group spic_attribute_group = {
4008 .attrs = spic_attributes
4011 /******** SONYPI compatibility **********/
4012 #ifdef CONFIG_SONYPI_COMPAT
4014 /* battery / brightness / temperature addresses */
4015 #define SONYPI_BAT_FLAGS 0x81
4016 #define SONYPI_LCD_LIGHT 0x96
4017 #define SONYPI_BAT1_PCTRM 0xa0
4018 #define SONYPI_BAT1_LEFT 0xa2
4019 #define SONYPI_BAT1_MAXRT 0xa4
4020 #define SONYPI_BAT2_PCTRM 0xa8
4021 #define SONYPI_BAT2_LEFT 0xaa
4022 #define SONYPI_BAT2_MAXRT 0xac
4023 #define SONYPI_BAT1_MAXTK 0xb0
4024 #define SONYPI_BAT1_FULL 0xb2
4025 #define SONYPI_BAT2_MAXTK 0xb8
4026 #define SONYPI_BAT2_FULL 0xba
4027 #define SONYPI_TEMP_STATUS 0xC1
4029 struct sonypi_compat_s {
4030 struct fasync_struct *fifo_async;
4032 spinlock_t fifo_lock;
4033 wait_queue_head_t fifo_proc_list;
4034 atomic_t open_count;
4036 static struct sonypi_compat_s sonypi_compat = {
4037 .open_count = ATOMIC_INIT(0),
4040 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4042 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4045 static int sonypi_misc_release(struct inode *inode, struct file *file)
4047 atomic_dec(&sonypi_compat.open_count);
4051 static int sonypi_misc_open(struct inode *inode, struct file *file)
4053 /* Flush input queue on first open */
4054 unsigned long flags;
4056 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4058 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4059 kfifo_reset(&sonypi_compat.fifo);
4061 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4066 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4067 size_t count, loff_t *pos)
4072 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4073 (file->f_flags & O_NONBLOCK))
4076 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4077 kfifo_len(&sonypi_compat.fifo) != 0);
4081 while (ret < count &&
4082 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4083 &sonypi_compat.fifo_lock) == sizeof(c))) {
4084 if (put_user(c, buf++))
4090 struct inode *inode = file_inode(file);
4091 inode->i_atime = current_fs_time(inode->i_sb);
4097 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
4099 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4100 if (kfifo_len(&sonypi_compat.fifo))
4101 return POLLIN | POLLRDNORM;
4105 static int ec_read16(u8 addr, u16 *value)
4108 if (ec_read(addr, &val_lb))
4110 if (ec_read(addr + 1, &val_hb))
4112 *value = val_lb | (val_hb << 8);
4116 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4120 void __user *argp = (void __user *)arg;
4125 mutex_lock(&spic_dev.lock);
4127 case SONYPI_IOCGBRT:
4128 if (sony_bl_props.dev == NULL) {
4132 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4137 val8 = ((value & 0xff) - 1) << 5;
4138 if (copy_to_user(argp, &val8, sizeof(val8)))
4141 case SONYPI_IOCSBRT:
4142 if (sony_bl_props.dev == NULL) {
4146 if (copy_from_user(&val8, argp, sizeof(val8))) {
4150 value = (val8 >> 5) + 1;
4151 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4156 /* sync the backlight device status */
4157 sony_bl_props.dev->props.brightness =
4158 sony_backlight_get_brightness(sony_bl_props.dev);
4160 case SONYPI_IOCGBAT1CAP:
4161 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4165 if (copy_to_user(argp, &val16, sizeof(val16)))
4168 case SONYPI_IOCGBAT1REM:
4169 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4173 if (copy_to_user(argp, &val16, sizeof(val16)))
4176 case SONYPI_IOCGBAT2CAP:
4177 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4181 if (copy_to_user(argp, &val16, sizeof(val16)))
4184 case SONYPI_IOCGBAT2REM:
4185 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4189 if (copy_to_user(argp, &val16, sizeof(val16)))
4192 case SONYPI_IOCGBATFLAGS:
4193 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4198 if (copy_to_user(argp, &val8, sizeof(val8)))
4201 case SONYPI_IOCGBLUE:
4202 val8 = spic_dev.bluetooth_power;
4203 if (copy_to_user(argp, &val8, sizeof(val8)))
4206 case SONYPI_IOCSBLUE:
4207 if (copy_from_user(&val8, argp, sizeof(val8))) {
4211 __sony_pic_set_bluetoothpower(val8);
4214 case SONYPI_IOCGFAN:
4215 if (sony_pic_get_fanspeed(&val8)) {
4219 if (copy_to_user(argp, &val8, sizeof(val8)))
4222 case SONYPI_IOCSFAN:
4223 if (copy_from_user(&val8, argp, sizeof(val8))) {
4227 if (sony_pic_set_fanspeed(val8))
4230 /* GET Temperature (useful under APM) */
4231 case SONYPI_IOCGTEMP:
4232 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4236 if (copy_to_user(argp, &val8, sizeof(val8)))
4242 mutex_unlock(&spic_dev.lock);
4246 static const struct file_operations sonypi_misc_fops = {
4247 .owner = THIS_MODULE,
4248 .read = sonypi_misc_read,
4249 .poll = sonypi_misc_poll,
4250 .open = sonypi_misc_open,
4251 .release = sonypi_misc_release,
4252 .fasync = sonypi_misc_fasync,
4253 .unlocked_ioctl = sonypi_misc_ioctl,
4254 .llseek = noop_llseek,
4257 static struct miscdevice sonypi_misc_device = {
4258 .minor = MISC_DYNAMIC_MINOR,
4260 .fops = &sonypi_misc_fops,
4263 static void sonypi_compat_report_event(u8 event)
4265 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4266 sizeof(event), &sonypi_compat.fifo_lock);
4267 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4268 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4271 static int sonypi_compat_init(void)
4275 spin_lock_init(&sonypi_compat.fifo_lock);
4277 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4279 pr_err("kfifo_alloc failed\n");
4283 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4286 sonypi_misc_device.minor = minor;
4287 error = misc_register(&sonypi_misc_device);
4289 pr_err("misc_register failed\n");
4290 goto err_free_kfifo;
4293 pr_info("device allocated minor is %d\n",
4294 sonypi_misc_device.minor);
4299 kfifo_free(&sonypi_compat.fifo);
4303 static void sonypi_compat_exit(void)
4305 misc_deregister(&sonypi_misc_device);
4306 kfifo_free(&sonypi_compat.fifo);
4309 static int sonypi_compat_init(void) { return 0; }
4310 static void sonypi_compat_exit(void) { }
4311 static void sonypi_compat_report_event(u8 event) { }
4312 #endif /* CONFIG_SONYPI_COMPAT */
4318 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4321 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4323 switch (resource->type) {
4324 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4326 /* start IO enumeration */
4327 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4331 list_add(&ioport->list, &dev->ioports);
4335 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4336 /* end IO enumeration */
4339 case ACPI_RESOURCE_TYPE_IRQ:
4341 struct acpi_resource_irq *p = &resource->data.irq;
4342 struct sony_pic_irq *interrupt = NULL;
4343 if (!p || !p->interrupt_count) {
4345 * IRQ descriptors may have no IRQ# bits set,
4346 * particularly those those w/ _STA disabled
4348 dprintk("Blank IRQ resource\n");
4351 for (i = 0; i < p->interrupt_count; i++) {
4352 if (!p->interrupts[i]) {
4353 pr_warn("Invalid IRQ %d\n",
4357 interrupt = kzalloc(sizeof(*interrupt),
4362 list_add(&interrupt->list, &dev->interrupts);
4363 interrupt->irq.triggering = p->triggering;
4364 interrupt->irq.polarity = p->polarity;
4365 interrupt->irq.sharable = p->sharable;
4366 interrupt->irq.interrupt_count = 1;
4367 interrupt->irq.interrupts[0] = p->interrupts[i];
4371 case ACPI_RESOURCE_TYPE_IO:
4373 struct acpi_resource_io *io = &resource->data.io;
4374 struct sony_pic_ioport *ioport =
4375 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4377 dprintk("Blank IO resource\n");
4381 if (!ioport->io1.minimum) {
4382 memcpy(&ioport->io1, io, sizeof(*io));
4383 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4384 ioport->io1.address_length);
4386 else if (!ioport->io2.minimum) {
4387 memcpy(&ioport->io2, io, sizeof(*io));
4388 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4389 ioport->io2.address_length);
4392 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4398 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4401 case ACPI_RESOURCE_TYPE_END_TAG:
4404 return AE_CTRL_TERMINATE;
4407 static int sony_pic_possible_resources(struct acpi_device *device)
4410 acpi_status status = AE_OK;
4415 /* get device status */
4416 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4417 dprintk("Evaluating _STA\n");
4418 result = acpi_bus_get_status(device);
4420 pr_warn("Unable to read status\n");
4424 if (!device->status.enabled)
4425 dprintk("Device disabled\n");
4427 dprintk("Device enabled\n");
4430 * Query and parse 'method'
4432 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4433 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4434 sony_pic_read_possible_resource, &spic_dev);
4435 if (ACPI_FAILURE(status)) {
4436 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4444 * Disable the spic device by calling its _DIS method
4446 static int sony_pic_disable(struct acpi_device *device)
4448 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4451 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4454 dprintk("Device disabled\n");
4460 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4462 * Call _SRS to set current resources
4464 static int sony_pic_enable(struct acpi_device *device,
4465 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4469 /* Type 1 resource layout is:
4475 * Type 2 and 3 resource layout is:
4481 struct acpi_resource res1;
4482 struct acpi_resource res2;
4483 struct acpi_resource res3;
4484 struct acpi_resource res4;
4486 struct acpi_buffer buffer = { 0, NULL };
4488 if (!ioport || !irq)
4491 /* init acpi_buffer */
4492 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4496 buffer.length = sizeof(*resource) + 1;
4497 buffer.pointer = resource;
4499 /* setup Type 1 resources */
4500 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4502 /* setup io resources */
4503 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4504 resource->res1.length = sizeof(struct acpi_resource);
4505 memcpy(&resource->res1.data.io, &ioport->io1,
4506 sizeof(struct acpi_resource_io));
4508 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4509 resource->res2.length = sizeof(struct acpi_resource);
4510 memcpy(&resource->res2.data.io, &ioport->io2,
4511 sizeof(struct acpi_resource_io));
4513 /* setup irq resource */
4514 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4515 resource->res3.length = sizeof(struct acpi_resource);
4516 memcpy(&resource->res3.data.irq, &irq->irq,
4517 sizeof(struct acpi_resource_irq));
4518 /* we requested a shared irq */
4519 resource->res3.data.irq.sharable = ACPI_SHARED;
4521 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4522 resource->res4.length = sizeof(struct acpi_resource);
4524 /* setup Type 2/3 resources */
4526 /* setup io resource */
4527 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4528 resource->res1.length = sizeof(struct acpi_resource);
4529 memcpy(&resource->res1.data.io, &ioport->io1,
4530 sizeof(struct acpi_resource_io));
4532 /* setup irq resource */
4533 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4534 resource->res2.length = sizeof(struct acpi_resource);
4535 memcpy(&resource->res2.data.irq, &irq->irq,
4536 sizeof(struct acpi_resource_irq));
4537 /* we requested a shared irq */
4538 resource->res2.data.irq.sharable = ACPI_SHARED;
4540 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4541 resource->res3.length = sizeof(struct acpi_resource);
4544 /* Attempt to set the resource */
4545 dprintk("Evaluating _SRS\n");
4546 status = acpi_set_current_resources(device->handle, &buffer);
4548 /* check for total failure */
4549 if (ACPI_FAILURE(status)) {
4550 pr_err("Error evaluating _SRS\n");
4555 /* Necessary device initializations calls (from sonypi) */
4556 sony_pic_call1(0x82);
4557 sony_pic_call2(0x81, 0xff);
4558 sony_pic_call1(compat ? 0x92 : 0x82);
4567 * ISR: some event is available
4570 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4575 u8 device_event = 0;
4577 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4579 ev = inb_p(dev->cur_ioport->io1.minimum);
4580 if (dev->cur_ioport->io2.minimum)
4581 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4583 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4584 dev->evport_offset);
4586 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4587 ev, data_mask, dev->cur_ioport->io1.minimum,
4588 dev->evport_offset);
4590 if (ev == 0x00 || ev == 0xff)
4593 for (i = 0; dev->event_types[i].mask; i++) {
4595 if ((data_mask & dev->event_types[i].data) !=
4596 dev->event_types[i].data)
4599 if (!(mask & dev->event_types[i].mask))
4602 for (j = 0; dev->event_types[i].events[j].event; j++) {
4603 if (ev == dev->event_types[i].events[j].data) {
4605 dev->event_types[i].events[j].event;
4606 /* some events may require ignoring */
4613 /* Still not able to decode the event try to pass
4614 * it over to the minidriver
4616 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4619 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4620 ev, data_mask, dev->cur_ioport->io1.minimum,
4621 dev->evport_offset);
4625 sony_laptop_report_input_event(device_event);
4626 sonypi_compat_report_event(device_event);
4635 static int sony_pic_remove(struct acpi_device *device)
4637 struct sony_pic_ioport *io, *tmp_io;
4638 struct sony_pic_irq *irq, *tmp_irq;
4640 if (sony_pic_disable(device)) {
4641 pr_err("Couldn't disable device\n");
4645 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4646 release_region(spic_dev.cur_ioport->io1.minimum,
4647 spic_dev.cur_ioport->io1.address_length);
4648 if (spic_dev.cur_ioport->io2.minimum)
4649 release_region(spic_dev.cur_ioport->io2.minimum,
4650 spic_dev.cur_ioport->io2.address_length);
4652 sonypi_compat_exit();
4654 sony_laptop_remove_input();
4657 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4660 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4661 list_del(&io->list);
4664 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4665 list_del(&irq->list);
4668 spic_dev.cur_ioport = NULL;
4669 spic_dev.cur_irq = NULL;
4671 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4675 static int sony_pic_add(struct acpi_device *device)
4678 struct sony_pic_ioport *io, *tmp_io;
4679 struct sony_pic_irq *irq, *tmp_irq;
4681 spic_dev.acpi_dev = device;
4682 strcpy(acpi_device_class(device), "sony/hotkey");
4683 sony_pic_detect_device_type(&spic_dev);
4684 mutex_init(&spic_dev.lock);
4686 /* read _PRS resources */
4687 result = sony_pic_possible_resources(device);
4689 pr_err("Unable to read possible resources\n");
4690 goto err_free_resources;
4693 /* setup input devices and helper fifo */
4694 result = sony_laptop_setup_input(device);
4696 pr_err("Unable to create input devices\n");
4697 goto err_free_resources;
4700 result = sonypi_compat_init();
4702 goto err_remove_input;
4704 /* request io port */
4705 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4706 if (request_region(io->io1.minimum, io->io1.address_length,
4707 "Sony Programmable I/O Device")) {
4708 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4709 io->io1.minimum, io->io1.maximum,
4710 io->io1.address_length);
4711 /* Type 1 have 2 ioports */
4712 if (io->io2.minimum) {
4713 if (request_region(io->io2.minimum,
4714 io->io2.address_length,
4715 "Sony Programmable I/O Device")) {
4716 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4717 io->io2.minimum, io->io2.maximum,
4718 io->io2.address_length);
4719 spic_dev.cur_ioport = io;
4723 dprintk("Unable to get I/O port2: "
4724 "0x%.4x (0x%.4x) + 0x%.2x\n",
4725 io->io2.minimum, io->io2.maximum,
4726 io->io2.address_length);
4727 release_region(io->io1.minimum,
4728 io->io1.address_length);
4732 spic_dev.cur_ioport = io;
4737 if (!spic_dev.cur_ioport) {
4738 pr_err("Failed to request_region\n");
4740 goto err_remove_compat;
4744 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4745 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4746 0, "sony-laptop", &spic_dev)) {
4747 dprintk("IRQ: %d - triggering: %d - "
4748 "polarity: %d - shr: %d\n",
4749 irq->irq.interrupts[0],
4750 irq->irq.triggering,
4753 spic_dev.cur_irq = irq;
4757 if (!spic_dev.cur_irq) {
4758 pr_err("Failed to request_irq\n");
4760 goto err_release_region;
4763 /* set resource status _SRS */
4764 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4766 pr_err("Couldn't enable device\n");
4770 spic_dev.bluetooth_power = -1;
4771 /* create device attributes */
4772 result = sony_pf_add();
4774 goto err_disable_device;
4776 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4780 pr_info("SPIC setup done.\n");
4787 sony_pic_disable(device);
4790 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4793 release_region(spic_dev.cur_ioport->io1.minimum,
4794 spic_dev.cur_ioport->io1.address_length);
4795 if (spic_dev.cur_ioport->io2.minimum)
4796 release_region(spic_dev.cur_ioport->io2.minimum,
4797 spic_dev.cur_ioport->io2.address_length);
4800 sonypi_compat_exit();
4803 sony_laptop_remove_input();
4806 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4807 list_del(&io->list);
4810 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4811 list_del(&irq->list);
4814 spic_dev.cur_ioport = NULL;
4815 spic_dev.cur_irq = NULL;
4820 #ifdef CONFIG_PM_SLEEP
4821 static int sony_pic_suspend(struct device *dev)
4823 if (sony_pic_disable(to_acpi_device(dev)))
4828 static int sony_pic_resume(struct device *dev)
4830 sony_pic_enable(to_acpi_device(dev),
4831 spic_dev.cur_ioport, spic_dev.cur_irq);
4836 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4838 static const struct acpi_device_id sony_pic_device_ids[] = {
4843 static struct acpi_driver sony_pic_driver = {
4844 .name = SONY_PIC_DRIVER_NAME,
4845 .class = SONY_PIC_CLASS,
4846 .ids = sony_pic_device_ids,
4847 .owner = THIS_MODULE,
4849 .add = sony_pic_add,
4850 .remove = sony_pic_remove,
4852 .drv.pm = &sony_pic_pm,
4855 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4857 .ident = "Sony Vaio",
4859 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4860 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4864 .ident = "Sony Vaio",
4866 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4867 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4873 static int __init sony_laptop_init(void)
4877 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4878 result = acpi_bus_register_driver(&sony_pic_driver);
4880 pr_err("Unable to register SPIC driver\n");
4883 spic_drv_registered = 1;
4886 result = acpi_bus_register_driver(&sony_nc_driver);
4888 pr_err("Unable to register SNC driver\n");
4889 goto out_unregister_pic;
4895 if (spic_drv_registered)
4896 acpi_bus_unregister_driver(&sony_pic_driver);
4901 static void __exit sony_laptop_exit(void)
4903 acpi_bus_unregister_driver(&sony_nc_driver);
4904 if (spic_drv_registered)
4905 acpi_bus_unregister_driver(&sony_pic_driver);
4908 module_init(sony_laptop_init);
4909 module_exit(sony_laptop_exit);