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 <acpi/acpi_drivers.h>
65 #include <acpi/acpi_bus.h>
66 #include <asm/uaccess.h>
67 #include <linux/sonypi.h>
68 #include <linux/sony-laptop.h>
69 #include <linux/rfkill.h>
70 #ifdef CONFIG_SONYPI_COMPAT
71 #include <linux/poll.h>
72 #include <linux/miscdevice.h>
75 #define dprintk(fmt, ...) \
78 pr_warn(fmt, ##__VA_ARGS__); \
81 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
83 #define SONY_NC_CLASS "sony-nc"
84 #define SONY_NC_HID "SNY5001"
85 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
87 #define SONY_PIC_CLASS "sony-pic"
88 #define SONY_PIC_HID "SNY6001"
89 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
91 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
92 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
93 MODULE_LICENSE("GPL");
94 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
97 module_param(debug, int, 0);
98 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
99 "the development of this driver");
101 static int no_spic; /* = 0 */
102 module_param(no_spic, int, 0444);
103 MODULE_PARM_DESC(no_spic,
104 "set this if you don't want to enable the SPIC device");
106 static int compat; /* = 0 */
107 module_param(compat, int, 0444);
108 MODULE_PARM_DESC(compat,
109 "set this if you want to enable backward compatibility mode");
111 static unsigned long mask = 0xffffffff;
112 module_param(mask, ulong, 0644);
113 MODULE_PARM_DESC(mask,
114 "set this to the mask of event you want to enable (see doc)");
116 static int camera; /* = 0 */
117 module_param(camera, int, 0444);
118 MODULE_PARM_DESC(camera,
119 "set this to 1 to enable Motion Eye camera controls "
120 "(only use it if you have a C1VE or C1VN model)");
122 #ifdef CONFIG_SONYPI_COMPAT
123 static int minor = -1;
124 module_param(minor, int, 0);
125 MODULE_PARM_DESC(minor,
126 "minor number of the misc device for the SPIC compatibility code, "
127 "default is -1 (automatic)");
130 static int kbd_backlight = 1;
131 module_param(kbd_backlight, int, 0444);
132 MODULE_PARM_DESC(kbd_backlight,
133 "set this to 0 to disable keyboard backlight, "
134 "1 to enable it (default: 0)");
136 static int kbd_backlight_timeout; /* = 0 */
137 module_param(kbd_backlight_timeout, int, 0444);
138 MODULE_PARM_DESC(kbd_backlight_timeout,
139 "set this to 0 to set the default 10 seconds timeout, "
140 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
143 static void sony_nc_kbd_backlight_resume(void);
144 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
145 unsigned int handle);
146 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
148 static int sony_nc_battery_care_setup(struct platform_device *pd,
149 unsigned int handle);
150 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
152 static int sony_nc_thermal_setup(struct platform_device *pd);
153 static void sony_nc_thermal_cleanup(struct platform_device *pd);
154 static void sony_nc_thermal_resume(void);
156 static int sony_nc_lid_resume_setup(struct platform_device *pd);
157 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
159 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
160 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
162 static int sony_nc_touchpad_setup(struct platform_device *pd,
163 unsigned int handle);
164 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
166 enum sony_nc_rfkill {
174 static int sony_rfkill_handle;
175 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
176 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
177 static int sony_nc_rfkill_setup(struct acpi_device *device,
178 unsigned int handle);
179 static void sony_nc_rfkill_cleanup(void);
180 static void sony_nc_rfkill_update(void);
182 /*********** Input Devices ***********/
184 #define SONY_LAPTOP_BUF_SIZE 128
185 struct sony_laptop_input_s {
187 struct input_dev *jog_dev;
188 struct input_dev *key_dev;
190 spinlock_t fifo_lock;
191 struct timer_list release_key_timer;
194 static struct sony_laptop_input_s sony_laptop_input = {
195 .users = ATOMIC_INIT(0),
198 struct sony_laptop_keypress {
199 struct input_dev *dev;
203 /* Correspondance table between sonypi events
204 * and input layer indexes in the keymap
206 static int sony_laptop_input_index[] = {
208 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
209 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
210 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
211 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
212 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
213 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
214 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
215 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
216 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
217 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
218 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
219 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
220 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
221 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
222 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
223 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
224 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
225 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
226 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
227 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
228 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
229 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
230 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
231 17, /* 24 SONYPI_EVENT_FNKEY_1 */
232 18, /* 25 SONYPI_EVENT_FNKEY_2 */
233 19, /* 26 SONYPI_EVENT_FNKEY_D */
234 20, /* 27 SONYPI_EVENT_FNKEY_E */
235 21, /* 28 SONYPI_EVENT_FNKEY_F */
236 22, /* 29 SONYPI_EVENT_FNKEY_S */
237 23, /* 30 SONYPI_EVENT_FNKEY_B */
238 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
239 25, /* 32 SONYPI_EVENT_PKEY_P1 */
240 26, /* 33 SONYPI_EVENT_PKEY_P2 */
241 27, /* 34 SONYPI_EVENT_PKEY_P3 */
242 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
243 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
244 -1, /* 37 SONYPI_EVENT_LID_OPENED */
245 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
246 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
247 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
248 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
249 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
250 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
251 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
252 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
253 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
254 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
255 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
256 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
257 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
258 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
259 43, /* 52 SONYPI_EVENT_MEYE_FACE */
260 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
261 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
262 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
263 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
264 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
265 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
266 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
267 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
268 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
269 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
270 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
271 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
272 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
273 53, /* 66 SONYPI_EVENT_PKEY_P4 */
274 54, /* 67 SONYPI_EVENT_PKEY_P5 */
275 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
276 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
277 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
278 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
279 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
280 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
283 static int sony_laptop_input_keycode_map[] = {
284 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
285 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
286 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
287 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
288 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
289 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
290 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
291 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
292 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
293 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
294 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
295 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
296 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
297 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
298 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
299 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
300 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
301 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
302 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
303 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
304 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
305 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
306 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
307 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
308 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
309 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
310 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
311 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
312 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
313 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
314 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
315 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
316 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
317 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
318 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
319 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
320 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
321 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
322 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
323 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
324 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
325 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
326 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
327 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
328 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
329 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
330 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
331 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
332 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
333 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
334 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
335 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
336 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
337 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
338 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
339 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
340 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
341 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
342 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
343 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
346 /* release buttons after a short delay if pressed */
347 static void do_sony_laptop_release_key(unsigned long unused)
349 struct sony_laptop_keypress kp;
352 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
354 if (kfifo_out(&sony_laptop_input.fifo,
355 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
356 input_report_key(kp.dev, kp.key, 0);
360 /* If there is something in the fifo schedule next release. */
361 if (kfifo_len(&sony_laptop_input.fifo) != 0)
362 mod_timer(&sony_laptop_input.release_key_timer,
363 jiffies + msecs_to_jiffies(10));
365 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
368 /* forward event to the input subsystem */
369 static void sony_laptop_report_input_event(u8 event)
371 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
372 struct input_dev *key_dev = sony_laptop_input.key_dev;
373 struct sony_laptop_keypress kp = { NULL };
376 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
377 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
378 /* Nothing, not all VAIOs generate this event */
385 case SONYPI_EVENT_JOGDIAL_UP:
386 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
387 input_report_rel(jog_dev, REL_WHEEL, 1);
391 case SONYPI_EVENT_JOGDIAL_DOWN:
392 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
393 input_report_rel(jog_dev, REL_WHEEL, -1);
398 case SONYPI_EVENT_JOGDIAL_PRESSED:
404 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
405 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
408 if ((scancode = sony_laptop_input_index[event]) != -1) {
409 kp.key = sony_laptop_input_keycode_map[scancode];
410 if (kp.key != KEY_UNKNOWN)
417 /* if we have a scancode we emit it so we can always
420 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
421 input_report_key(kp.dev, kp.key, 1);
424 /* schedule key release */
425 kfifo_in_locked(&sony_laptop_input.fifo,
426 (unsigned char *)&kp, sizeof(kp),
427 &sony_laptop_input.fifo_lock);
428 mod_timer(&sony_laptop_input.release_key_timer,
429 jiffies + msecs_to_jiffies(10));
431 dprintk("unknown input event %.2x\n", event);
434 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
436 struct input_dev *jog_dev;
437 struct input_dev *key_dev;
441 /* don't run again if already initialized */
442 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
446 spin_lock_init(&sony_laptop_input.fifo_lock);
447 error = kfifo_alloc(&sony_laptop_input.fifo,
448 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
450 pr_err("kfifo_alloc failed\n");
454 setup_timer(&sony_laptop_input.release_key_timer,
455 do_sony_laptop_release_key, 0);
458 key_dev = input_allocate_device();
464 key_dev->name = "Sony Vaio Keys";
465 key_dev->id.bustype = BUS_ISA;
466 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
467 key_dev->dev.parent = &acpi_device->dev;
469 /* Initialize the Input Drivers: special keys */
470 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
472 __set_bit(EV_KEY, key_dev->evbit);
473 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
474 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
475 key_dev->keycode = &sony_laptop_input_keycode_map;
476 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
477 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
478 __clear_bit(KEY_RESERVED, key_dev->keybit);
480 error = input_register_device(key_dev);
482 goto err_free_keydev;
484 sony_laptop_input.key_dev = key_dev;
487 jog_dev = input_allocate_device();
490 goto err_unregister_keydev;
493 jog_dev->name = "Sony Vaio Jogdial";
494 jog_dev->id.bustype = BUS_ISA;
495 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
496 jog_dev->dev.parent = &acpi_device->dev;
498 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
499 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
501 error = input_register_device(jog_dev);
503 goto err_free_jogdev;
505 sony_laptop_input.jog_dev = jog_dev;
510 input_free_device(jog_dev);
512 err_unregister_keydev:
513 input_unregister_device(key_dev);
514 /* to avoid kref underflow below at input_free_device */
518 input_free_device(key_dev);
521 kfifo_free(&sony_laptop_input.fifo);
524 atomic_dec(&sony_laptop_input.users);
528 static void sony_laptop_remove_input(void)
530 struct sony_laptop_keypress kp = { NULL };
532 /* Cleanup only after the last user has gone */
533 if (!atomic_dec_and_test(&sony_laptop_input.users))
536 del_timer_sync(&sony_laptop_input.release_key_timer);
539 * Generate key-up events for remaining keys. Note that we don't
540 * need locking since nobody is adding new events to the kfifo.
542 while (kfifo_out(&sony_laptop_input.fifo,
543 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
544 input_report_key(kp.dev, kp.key, 0);
548 /* destroy input devs */
549 input_unregister_device(sony_laptop_input.key_dev);
550 sony_laptop_input.key_dev = NULL;
552 if (sony_laptop_input.jog_dev) {
553 input_unregister_device(sony_laptop_input.jog_dev);
554 sony_laptop_input.jog_dev = NULL;
557 kfifo_free(&sony_laptop_input.fifo);
560 /*********** Platform Device ***********/
562 static atomic_t sony_pf_users = ATOMIC_INIT(0);
563 static struct platform_driver sony_pf_driver = {
565 .name = "sony-laptop",
566 .owner = THIS_MODULE,
569 static struct platform_device *sony_pf_device;
571 static int sony_pf_add(void)
575 /* don't run again if already initialized */
576 if (atomic_add_return(1, &sony_pf_users) > 1)
579 ret = platform_driver_register(&sony_pf_driver);
583 sony_pf_device = platform_device_alloc("sony-laptop", -1);
584 if (!sony_pf_device) {
586 goto out_platform_registered;
589 ret = platform_device_add(sony_pf_device);
591 goto out_platform_alloced;
595 out_platform_alloced:
596 platform_device_put(sony_pf_device);
597 sony_pf_device = NULL;
598 out_platform_registered:
599 platform_driver_unregister(&sony_pf_driver);
601 atomic_dec(&sony_pf_users);
605 static void sony_pf_remove(void)
607 /* deregister only after the last user has gone */
608 if (!atomic_dec_and_test(&sony_pf_users))
611 platform_device_unregister(sony_pf_device);
612 platform_driver_unregister(&sony_pf_driver);
615 /*********** SNC (SNY5001) Device ***********/
617 /* the device uses 1-based values, while the backlight subsystem uses
619 #define SONY_MAX_BRIGHTNESS 8
621 #define SNC_VALIDATE_IN 0
622 #define SNC_VALIDATE_OUT 1
624 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
626 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
627 const char *, size_t);
628 static int boolean_validate(const int, const int);
629 static int brightness_default_validate(const int, const int);
631 struct sony_nc_value {
632 char *name; /* name of the entry */
633 char **acpiget; /* names of the ACPI get function */
634 char **acpiset; /* names of the ACPI set function */
635 int (*validate)(const int, const int); /* input/output validation */
636 int value; /* current setting */
637 int valid; /* Has ever been set */
638 int debug; /* active only in debug mode ? */
639 struct device_attribute devattr; /* sysfs attribute */
642 #define SNC_HANDLE_NAMES(_name, _values...) \
643 static char *snc_##_name[] = { _values, NULL }
645 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
647 .name = __stringify(_name), \
648 .acpiget = _getters, \
649 .acpiset = _setters, \
650 .validate = _validate, \
652 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
655 #define SNC_HANDLE_NULL { .name = NULL }
657 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
659 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
660 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
662 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
663 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
665 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
666 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
668 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
669 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
671 SNC_HANDLE_NAMES(lidstate_get, "GLID");
673 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
674 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
676 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
677 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
679 SNC_HANDLE_NAMES(PID_get, "GPID");
681 SNC_HANDLE_NAMES(CTR_get, "GCTR");
682 SNC_HANDLE_NAMES(CTR_set, "SCTR");
684 SNC_HANDLE_NAMES(PCR_get, "GPCR");
685 SNC_HANDLE_NAMES(PCR_set, "SPCR");
687 SNC_HANDLE_NAMES(CMI_get, "GCMI");
688 SNC_HANDLE_NAMES(CMI_set, "SCMI");
690 static struct sony_nc_value sony_nc_values[] = {
691 SNC_HANDLE(brightness_default, snc_brightness_def_get,
692 snc_brightness_def_set, brightness_default_validate, 0),
693 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
694 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
695 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
696 boolean_validate, 0),
697 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
698 boolean_validate, 1),
699 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
700 boolean_validate, 0),
701 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
702 boolean_validate, 0),
703 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
704 boolean_validate, 0),
705 /* unknown methods */
706 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
707 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
708 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
709 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
713 static acpi_handle sony_nc_acpi_handle;
714 static struct acpi_device *sony_nc_acpi_device = NULL;
717 * acpi_evaluate_object wrappers
718 * all useful calls into SNC methods take one or zero parameters and return
719 * integers or arrays.
721 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
724 union acpi_object *result = NULL;
725 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
729 struct acpi_object_list params;
730 union acpi_object in;
731 in.type = ACPI_TYPE_INTEGER;
732 in.integer.value = *value;
734 params.pointer = ∈
735 status = acpi_evaluate_object(handle, method, ¶ms, &output);
736 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
737 (unsigned int)(*value >> 32),
738 (unsigned int)*value & 0xffffffff);
740 status = acpi_evaluate_object(handle, method, NULL, &output);
741 dprintk("__call_snc_method: [%s]\n", method);
744 if (ACPI_FAILURE(status)) {
745 pr_err("Failed to evaluate [%s]\n", method);
749 result = (union acpi_object *) output.pointer;
751 dprintk("No return object [%s]\n", method);
756 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
759 union acpi_object *object = NULL;
762 object = __call_snc_method(handle, name, &v);
764 object = __call_snc_method(handle, name, NULL);
769 if (object->type != ACPI_TYPE_INTEGER) {
770 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
771 ACPI_TYPE_INTEGER, object->type);
777 *result = object->integer.value;
783 #define MIN(a, b) (a > b ? b : a)
784 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
785 void *buffer, size_t buflen)
788 union acpi_object *object = __call_snc_method(handle, name, value);
793 if (object->type == ACPI_TYPE_BUFFER)
794 len = MIN(buflen, object->buffer.length);
796 else if (object->type == ACPI_TYPE_INTEGER)
797 len = MIN(buflen, sizeof(object->integer.value));
800 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
801 ACPI_TYPE_BUFFER, object->type);
806 memcpy(buffer, object->buffer.pointer, len);
811 struct sony_nc_handles {
813 struct device_attribute devattr;
816 static struct sony_nc_handles *handles;
818 static ssize_t sony_nc_handles_show(struct device *dev,
819 struct device_attribute *attr, char *buffer)
824 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
825 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
828 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
833 static int sony_nc_handles_setup(struct platform_device *pd)
835 int i, r, result, arg;
837 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
841 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
843 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
846 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
848 handles->cap[i] = result;
853 sysfs_attr_init(&handles->devattr.attr);
854 handles->devattr.attr.name = "handles";
855 handles->devattr.attr.mode = S_IRUGO;
856 handles->devattr.show = sony_nc_handles_show;
858 /* allow reading capabilities via sysfs */
859 if (device_create_file(&pd->dev, &handles->devattr)) {
869 static int sony_nc_handles_cleanup(struct platform_device *pd)
873 device_remove_file(&pd->dev, &handles->devattr);
880 static int sony_find_snc_handle(int handle)
884 /* not initialized yet, return early */
885 if (!handles || !handle)
888 for (i = 0; i < 0x10; i++) {
889 if (handles->cap[i] == handle) {
890 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
895 dprintk("handle 0x%.4x not found\n", handle);
899 static int sony_call_snc_handle(int handle, int argument, int *result)
902 int offset = sony_find_snc_handle(handle);
907 arg = offset | argument;
908 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
909 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
914 * sony_nc_values input/output validate functions
917 /* brightness_default_validate:
919 * manipulate input output values to keep consistency with the
920 * backlight framework for which brightness values are 0-based.
922 static int brightness_default_validate(const int direction, const int value)
925 case SNC_VALIDATE_OUT:
927 case SNC_VALIDATE_IN:
928 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
936 * on input validate boolean values 0/1, on output just pass the
939 static int boolean_validate(const int direction, const int value)
941 if (direction == SNC_VALIDATE_IN) {
942 if (value != 0 && value != 1)
949 * Sysfs show/store common to all sony_nc_values
951 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
955 struct sony_nc_value *item =
956 container_of(attr, struct sony_nc_value, devattr);
961 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
967 value = item->validate(SNC_VALIDATE_OUT, value);
969 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
972 static ssize_t sony_nc_sysfs_store(struct device *dev,
973 struct device_attribute *attr,
974 const char *buffer, size_t count)
976 unsigned long value = 0;
978 struct sony_nc_value *item =
979 container_of(attr, struct sony_nc_value, devattr);
987 if (kstrtoul(buffer, 10, &value))
991 value = item->validate(SNC_VALIDATE_IN, value);
996 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
997 (int *)&value, NULL);
1001 item->value = value;
1010 struct sony_backlight_props {
1011 struct backlight_device *dev;
1016 struct sony_backlight_props sony_bl_props;
1018 static int sony_backlight_update_status(struct backlight_device *bd)
1020 int arg = bd->props.brightness + 1;
1021 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1024 static int sony_backlight_get_brightness(struct backlight_device *bd)
1028 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1030 /* brightness levels are 1-based, while backlight ones are 0-based */
1034 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1037 struct sony_backlight_props *sdev =
1038 (struct sony_backlight_props *)bl_get_data(bd);
1040 sony_call_snc_handle(sdev->handle, 0x0200, &result);
1042 return (result & 0xff) - sdev->offset;
1045 static int sony_nc_update_status_ng(struct backlight_device *bd)
1048 struct sony_backlight_props *sdev =
1049 (struct sony_backlight_props *)bl_get_data(bd);
1051 value = bd->props.brightness + sdev->offset;
1052 if (sony_call_snc_handle(sdev->handle, 0x0100 | (value << 16), &result))
1058 static const struct backlight_ops sony_backlight_ops = {
1059 .options = BL_CORE_SUSPENDRESUME,
1060 .update_status = sony_backlight_update_status,
1061 .get_brightness = sony_backlight_get_brightness,
1063 static const struct backlight_ops sony_backlight_ng_ops = {
1064 .options = BL_CORE_SUSPENDRESUME,
1065 .update_status = sony_nc_update_status_ng,
1066 .get_brightness = sony_nc_get_brightness_ng,
1070 * New SNC-only Vaios event mapping to driver known keys
1072 struct sony_nc_event {
1077 static struct sony_nc_event sony_100_events[] = {
1078 { 0x90, SONYPI_EVENT_PKEY_P1 },
1079 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1080 { 0x91, SONYPI_EVENT_PKEY_P2 },
1081 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1082 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1083 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1084 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1085 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1086 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1087 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1088 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1089 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1090 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1091 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1092 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1093 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1094 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1095 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1096 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1097 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1098 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1099 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1100 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1101 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1102 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1103 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1104 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1105 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1106 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1107 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1108 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1109 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1110 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1111 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1112 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1113 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1114 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1115 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1116 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1117 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1121 static struct sony_nc_event sony_127_events[] = {
1122 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1123 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1124 { 0x82, SONYPI_EVENT_PKEY_P1 },
1125 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1126 { 0x83, SONYPI_EVENT_PKEY_P2 },
1127 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1128 { 0x84, SONYPI_EVENT_PKEY_P3 },
1129 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1130 { 0x85, SONYPI_EVENT_PKEY_P4 },
1131 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1132 { 0x86, SONYPI_EVENT_PKEY_P5 },
1133 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1134 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1135 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1142 unsigned int result = 0;
1143 struct sony_nc_event *key_event;
1145 if (sony_call_snc_handle(handle, 0x200, &result)) {
1146 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1153 if (handle == 0x0100)
1154 key_event = sony_100_events;
1156 key_event = sony_127_events;
1158 for (; key_event->data; key_event++) {
1159 if (key_event->data == result) {
1160 ret = key_event->event;
1165 if (!key_event->data)
1166 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1167 event, result, handle);
1175 static void sony_nc_notify(struct acpi_device *device, u32 event)
1177 u32 real_ev = event;
1179 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1181 if (event >= 0x90) {
1182 unsigned int result = 0;
1183 unsigned int arg = 0;
1184 unsigned int handle = 0;
1185 unsigned int offset = event - 0x90;
1187 if (offset >= ARRAY_SIZE(handles->cap)) {
1188 pr_err("Event 0x%x outside of capabilities list\n",
1192 handle = handles->cap[offset];
1194 /* list of handles known for generating events */
1200 real_ev = sony_nc_hotkeys_decode(event, handle);
1203 sony_laptop_report_input_event(real_ev);
1205 /* restore the original event for reporting */
1213 /* events on this handle are reported when the
1214 * switch changes position or for battery
1215 * events. We'll notify both of them but only
1216 * update the rfkill device status when the
1220 sony_call_snc_handle(handle, 0x0100, &result);
1221 real_ev = result & 0x03;
1223 /* hw switch event */
1225 sony_nc_rfkill_update();
1230 dprintk("Unknown event 0x%x for handle 0x%x\n",
1235 /* clear the event (and the event reason when present) */
1237 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1240 /* old style event */
1242 sony_laptop_report_input_event(real_ev);
1245 acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev);
1247 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1248 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1251 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1252 void *context, void **return_value)
1254 struct acpi_device_info *info;
1256 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1257 pr_warn("method: name: %4.4s, args %X\n",
1258 (char *)&info->name, info->param_count);
1269 static void sony_nc_function_setup(struct acpi_device *device,
1270 struct platform_device *pf_device)
1272 unsigned int i, result, bitmask, arg;
1277 /* setup found handles here */
1278 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1279 unsigned int handle = handles->cap[i];
1284 dprintk("setting up handle 0x%.4x\n", handle);
1291 sony_call_snc_handle(handle, 0, &result);
1295 sony_call_snc_handle(handle, 0x100, &result);
1299 /* touchpad enable/disable */
1300 result = sony_nc_touchpad_setup(pf_device, handle);
1302 pr_err("couldn't set up touchpad control function (%d)\n",
1308 result = sony_nc_battery_care_setup(pf_device, handle);
1310 pr_err("couldn't set up battery care function (%d)\n",
1314 result = sony_nc_lid_resume_setup(pf_device);
1316 pr_err("couldn't set up lid resume function (%d)\n",
1320 result = sony_nc_thermal_setup(pf_device);
1322 pr_err("couldn't set up thermal profile function (%d)\n",
1326 result = sony_nc_highspeed_charging_setup(pf_device);
1328 pr_err("couldn't set up high speed charging function (%d)\n",
1333 result = sony_nc_rfkill_setup(device, handle);
1335 pr_err("couldn't set up rfkill support (%d)\n",
1340 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1342 pr_err("couldn't set up keyboard backlight function (%d)\n",
1350 /* Enable all events */
1352 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1353 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1357 static void sony_nc_function_cleanup(struct platform_device *pd)
1359 unsigned int i, result, bitmask, handle;
1361 /* get enabled events and disable them */
1362 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1363 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1365 /* cleanup handles here */
1366 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1368 handle = handles->cap[i];
1376 sony_nc_touchpad_cleanup(pd);
1381 sony_nc_battery_care_cleanup(pd);
1384 sony_nc_lid_resume_cleanup(pd);
1387 sony_nc_thermal_cleanup(pd);
1390 sony_nc_highspeed_charging_cleanup(pd);
1394 sony_nc_rfkill_cleanup();
1398 sony_nc_kbd_backlight_cleanup(pd);
1405 /* finally cleanup the handles list */
1406 sony_nc_handles_cleanup(pd);
1409 static void sony_nc_function_resume(void)
1411 unsigned int i, result, bitmask, arg;
1413 dprintk("Resuming SNC device\n");
1415 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1416 unsigned int handle = handles->cap[i];
1425 /* re-enable hotkeys */
1426 sony_call_snc_handle(handle, 0, &result);
1429 /* re-enable hotkeys */
1430 sony_call_snc_handle(handle, 0x100, &result);
1433 sony_nc_thermal_resume();
1437 sony_nc_rfkill_update();
1441 sony_nc_kbd_backlight_resume();
1448 /* Enable all events */
1450 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1451 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1455 static int sony_nc_resume(struct acpi_device *device)
1457 struct sony_nc_value *item;
1460 for (item = sony_nc_values; item->name; item++) {
1465 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1466 &item->value, NULL);
1468 pr_err("%s: %d\n", __func__, ret);
1473 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1476 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1477 dprintk("ECON Method failed\n");
1480 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1482 sony_nc_function_resume();
1487 static void sony_nc_rfkill_cleanup(void)
1491 for (i = 0; i < N_SONY_RFKILL; i++) {
1492 if (sony_rfkill_devices[i]) {
1493 rfkill_unregister(sony_rfkill_devices[i]);
1494 rfkill_destroy(sony_rfkill_devices[i]);
1499 static int sony_nc_rfkill_set(void *data, bool blocked)
1502 int argument = sony_rfkill_address[(long) data] + 0x100;
1505 argument |= 0x030000;
1507 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1510 static const struct rfkill_ops sony_rfkill_ops = {
1511 .set_block = sony_nc_rfkill_set,
1514 static int sony_nc_setup_rfkill(struct acpi_device *device,
1515 enum sony_nc_rfkill nc_type)
1519 enum rfkill_type type;
1522 bool hwblock, swblock;
1526 type = RFKILL_TYPE_WLAN;
1529 case SONY_BLUETOOTH:
1530 type = RFKILL_TYPE_BLUETOOTH;
1531 name = "sony-bluetooth";
1534 type = RFKILL_TYPE_WWAN;
1538 type = RFKILL_TYPE_WIMAX;
1539 name = "sony-wimax";
1545 rfk = rfkill_alloc(name, &device->dev, type,
1546 &sony_rfkill_ops, (void *)nc_type);
1550 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1551 rfkill_destroy(rfk);
1554 hwblock = !(result & 0x1);
1556 if (sony_call_snc_handle(sony_rfkill_handle,
1557 sony_rfkill_address[nc_type],
1559 rfkill_destroy(rfk);
1562 swblock = !(result & 0x2);
1564 rfkill_init_sw_state(rfk, swblock);
1565 rfkill_set_hw_state(rfk, hwblock);
1567 err = rfkill_register(rfk);
1569 rfkill_destroy(rfk);
1572 sony_rfkill_devices[nc_type] = rfk;
1576 static void sony_nc_rfkill_update(void)
1578 enum sony_nc_rfkill i;
1582 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1583 hwblock = !(result & 0x1);
1585 for (i = 0; i < N_SONY_RFKILL; i++) {
1586 int argument = sony_rfkill_address[i];
1588 if (!sony_rfkill_devices[i])
1592 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1593 /* we already know we're blocked */
1598 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1599 rfkill_set_states(sony_rfkill_devices[i],
1600 !(result & 0x2), false);
1604 static int sony_nc_rfkill_setup(struct acpi_device *device,
1605 unsigned int handle)
1609 unsigned char buffer[32] = { 0 };
1611 offset = sony_find_snc_handle(handle);
1612 sony_rfkill_handle = handle;
1614 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1619 /* The buffer is filled with magic numbers describing the devices
1620 * available, 0xff terminates the enumeration.
1624 * 0x20 WWAN GPRS-EDGE
1628 * 0x25 Gobi WWAN no GPS
1629 * 0x26 Gobi WWAN + GPS
1630 * 0x28 Gobi WWAN no GPS
1631 * 0x29 Gobi WWAN + GPS
1633 * 0x50 Gobi WWAN no GPS
1634 * 0x51 Gobi WWAN + GPS
1635 * 0x70 no SIM card slot
1636 * 0x71 SIM card slot
1638 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1640 if (buffer[i] == 0xff)
1643 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1645 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1646 sony_nc_setup_rfkill(device, SONY_WIFI);
1648 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1649 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1651 if (((0xf0 & buffer[i]) == 0x20 ||
1652 (0xf0 & buffer[i]) == 0x50) &&
1653 !sony_rfkill_devices[SONY_WWAN])
1654 sony_nc_setup_rfkill(device, SONY_WWAN);
1656 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1657 sony_nc_setup_rfkill(device, SONY_WIMAX);
1662 /* Keyboard backlight feature */
1663 struct kbd_backlight {
1664 unsigned int handle;
1667 unsigned int timeout;
1668 struct device_attribute mode_attr;
1669 struct device_attribute timeout_attr;
1672 static struct kbd_backlight *kbdbl_ctl;
1674 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1681 if (sony_call_snc_handle(kbdbl_ctl->handle,
1682 (value << 0x10) | (kbdbl_ctl->base), &result))
1685 /* Try to turn the light on/off immediately */
1686 sony_call_snc_handle(kbdbl_ctl->handle,
1687 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1689 kbdbl_ctl->mode = value;
1694 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1695 struct device_attribute *attr,
1696 const char *buffer, size_t count)
1699 unsigned long value;
1704 if (kstrtoul(buffer, 10, &value))
1707 ret = __sony_nc_kbd_backlight_mode_set(value);
1714 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1715 struct device_attribute *attr, char *buffer)
1718 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1722 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1729 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1730 (kbdbl_ctl->base + 0x200), &result))
1733 kbdbl_ctl->timeout = value;
1738 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1739 struct device_attribute *attr,
1740 const char *buffer, size_t count)
1743 unsigned long value;
1748 if (kstrtoul(buffer, 10, &value))
1751 ret = __sony_nc_kbd_backlight_timeout_set(value);
1758 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1759 struct device_attribute *attr, char *buffer)
1762 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1766 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1767 unsigned int handle)
1772 /* verify the kbd backlight presence, these handles are not used for
1773 * keyboard backlight only
1775 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1780 if ((handle == 0x0137 && !(result & 0x02)) ||
1782 dprintk("no backlight keyboard found\n");
1786 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1790 kbdbl_ctl->handle = handle;
1791 if (handle == 0x0137)
1792 kbdbl_ctl->base = 0x0C00;
1794 kbdbl_ctl->base = 0x4000;
1796 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1797 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1798 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1799 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1800 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1802 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1803 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1804 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1805 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1806 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1808 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1812 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1816 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1817 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1822 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1829 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1834 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1835 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1837 /* restore the default hw behaviour */
1838 sony_call_snc_handle(kbdbl_ctl->handle,
1839 kbdbl_ctl->base | 0x10000, &result);
1840 sony_call_snc_handle(kbdbl_ctl->handle,
1841 kbdbl_ctl->base + 0x200, &result);
1848 static void sony_nc_kbd_backlight_resume(void)
1855 if (kbdbl_ctl->mode == 0)
1856 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1859 if (kbdbl_ctl->timeout != 0)
1860 sony_call_snc_handle(kbdbl_ctl->handle,
1861 (kbdbl_ctl->base + 0x200) |
1862 (kbdbl_ctl->timeout << 0x10), &ignore);
1865 struct battery_care_control {
1866 struct device_attribute attrs[2];
1867 unsigned int handle;
1869 static struct battery_care_control *bcare_ctl;
1871 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1872 struct device_attribute *attr,
1873 const char *buffer, size_t count)
1875 unsigned int result, cmd;
1876 unsigned long value;
1881 if (kstrtoul(buffer, 10, &value))
1884 /* limit values (2 bits):
1890 * bit 0: 0 disable BCL, 1 enable BCL
1891 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1892 * bits 2,3: reserved
1893 * bits 4,5: store the limit into the EC
1894 * bits 6,7: store the limit into the battery
1898 * handle 0x0115 should allow storing on battery too;
1899 * handle 0x0136 same as 0x0115 + health status;
1900 * handle 0x013f, same as 0x0136 but no storing on the battery
1902 * Store only inside the EC for now, regardless the handle number
1905 /* disable limits */
1908 else if (value <= 50)
1911 else if (value <= 80)
1914 else if (value <= 100)
1920 if (sony_call_snc_handle(bcare_ctl->handle, (cmd << 0x10) | 0x0100,
1927 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1928 struct device_attribute *attr, char *buffer)
1930 unsigned int result, status;
1932 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1935 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1951 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
1954 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
1955 struct device_attribute *attr, char *buffer)
1958 unsigned int health;
1960 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
1963 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
1968 static int sony_nc_battery_care_setup(struct platform_device *pd,
1969 unsigned int handle)
1973 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
1977 bcare_ctl->handle = handle;
1979 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
1980 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
1981 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
1982 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
1983 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
1985 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
1989 /* 0x0115 is for models with no health reporting capability */
1990 if (handle == 0x0115)
1993 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
1994 bcare_ctl->attrs[1].attr.name = "battery_care_health";
1995 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
1996 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
1998 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2005 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2014 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2017 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2018 if (bcare_ctl->handle != 0x0115)
2019 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2026 struct snc_thermal_ctrl {
2028 unsigned int profiles;
2029 struct device_attribute mode_attr;
2030 struct device_attribute profiles_attr;
2032 static struct snc_thermal_ctrl *th_handle;
2034 #define THM_PROFILE_MAX 3
2035 static const char * const snc_thermal_profiles[] = {
2041 static int sony_nc_thermal_mode_set(unsigned short mode)
2043 unsigned int result;
2045 /* the thermal profile seems to be a two bit bitmask:
2047 * msb -> performance
2048 * no bit set is the normal operation and is always valid
2049 * Some vaio models only have "balanced" and "performance"
2051 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2054 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2057 th_handle->mode = mode;
2062 static int sony_nc_thermal_mode_get(void)
2064 unsigned int result;
2066 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2069 return result & 0xff;
2072 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2073 struct device_attribute *attr, char *buffer)
2078 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2079 if (!cnt || (th_handle->profiles & cnt))
2080 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2081 snc_thermal_profiles[cnt]);
2083 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2088 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2089 struct device_attribute *attr,
2090 const char *buffer, size_t count)
2098 /* skip the newline if present */
2099 if (buffer[len - 1] == '\n')
2102 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2103 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2106 if (sony_nc_thermal_mode_set(cmd))
2112 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2113 struct device_attribute *attr, char *buffer)
2116 unsigned int mode = sony_nc_thermal_mode_get();
2121 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2126 static int sony_nc_thermal_setup(struct platform_device *pd)
2129 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2133 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2135 pr_warn("couldn't to read the thermal profiles\n");
2139 ret = sony_nc_thermal_mode_get();
2141 pr_warn("couldn't to read the current thermal profile");
2144 th_handle->mode = ret;
2146 sysfs_attr_init(&th_handle->profiles_attr.attr);
2147 th_handle->profiles_attr.attr.name = "thermal_profiles";
2148 th_handle->profiles_attr.attr.mode = S_IRUGO;
2149 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2151 sysfs_attr_init(&th_handle->mode_attr.attr);
2152 th_handle->mode_attr.attr.name = "thermal_control";
2153 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2154 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2155 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2157 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2161 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2168 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2175 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2178 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2179 device_remove_file(&pd->dev, &th_handle->mode_attr);
2185 static void sony_nc_thermal_resume(void)
2187 unsigned int status = sony_nc_thermal_mode_get();
2189 if (status != th_handle->mode)
2190 sony_nc_thermal_mode_set(th_handle->mode);
2193 /* resume on LID open */
2194 struct snc_lid_resume_control {
2195 struct device_attribute attrs[3];
2196 unsigned int status;
2198 static struct snc_lid_resume_control *lid_ctl;
2200 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2201 struct device_attribute *attr,
2202 const char *buffer, size_t count)
2204 unsigned int result, pos;
2205 unsigned long value;
2209 if (kstrtoul(buffer, 10, &value) || value > 1)
2212 /* the value we have to write to SNC is a bitmask:
2218 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2220 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2222 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2228 value = lid_ctl->status | (1 << pos);
2230 value = lid_ctl->status & ~(1 << pos);
2232 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2235 lid_ctl->status = value;
2240 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2241 struct device_attribute *attr, char *buffer)
2245 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2247 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2249 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2254 return snprintf(buffer, PAGE_SIZE, "%d\n",
2255 (lid_ctl->status >> pos) & 0x01);
2258 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2260 unsigned int result;
2263 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2266 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2270 lid_ctl->status = result & 0x7;
2272 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2273 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2274 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2275 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2276 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2278 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2279 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2280 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2281 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2282 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2284 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2285 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2286 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2287 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2288 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2290 for (i = 0; i < 3; i++) {
2291 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2300 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2308 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2313 for (i = 0; i < 3; i++)
2314 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2321 /* High speed charging function */
2322 static struct device_attribute *hsc_handle;
2324 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2325 struct device_attribute *attr,
2326 const char *buffer, size_t count)
2328 unsigned int result;
2329 unsigned long value;
2334 if (kstrtoul(buffer, 10, &value) || value > 1)
2337 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2343 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2344 struct device_attribute *attr, char *buffer)
2346 unsigned int result;
2348 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2351 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2354 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2356 unsigned int result;
2358 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2359 /* some models advertise the handle but have no implementation
2362 pr_info("No High Speed Charging capability found\n");
2366 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2370 sysfs_attr_init(&hsc_handle->attr);
2371 hsc_handle->attr.name = "battery_highspeed_charging";
2372 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2373 hsc_handle->show = sony_nc_highspeed_charging_show;
2374 hsc_handle->store = sony_nc_highspeed_charging_store;
2376 result = device_create_file(&pd->dev, hsc_handle);
2386 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2389 device_remove_file(&pd->dev, hsc_handle);
2395 /* Touchpad enable/disable */
2396 struct touchpad_control {
2397 struct device_attribute attr;
2400 static struct touchpad_control *tp_ctl;
2402 static ssize_t sony_nc_touchpad_store(struct device *dev,
2403 struct device_attribute *attr, const char *buffer, size_t count)
2405 unsigned int result;
2406 unsigned long value;
2411 if (kstrtoul(buffer, 10, &value) || value > 1)
2414 /* sysfs: 0 disabled, 1 enabled
2415 * EC: 0 enabled, 1 disabled
2417 if (sony_call_snc_handle(tp_ctl->handle,
2418 (!value << 0x10) | 0x100, &result))
2424 static ssize_t sony_nc_touchpad_show(struct device *dev,
2425 struct device_attribute *attr, char *buffer)
2427 unsigned int result;
2429 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2432 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2435 static int sony_nc_touchpad_setup(struct platform_device *pd,
2436 unsigned int handle)
2440 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2444 tp_ctl->handle = handle;
2446 sysfs_attr_init(&tp_ctl->attr.attr);
2447 tp_ctl->attr.attr.name = "touchpad";
2448 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2449 tp_ctl->attr.show = sony_nc_touchpad_show;
2450 tp_ctl->attr.store = sony_nc_touchpad_store;
2452 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2461 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2464 device_remove_file(&pd->dev, &tp_ctl->attr);
2470 static void sony_nc_backlight_ng_read_limits(int handle,
2471 struct sony_backlight_props *props)
2475 u8 min = 0xff, max = 0x00;
2476 unsigned char buffer[32] = { 0 };
2478 props->handle = handle;
2480 props->maxlvl = 0xff;
2482 offset = sony_find_snc_handle(handle);
2486 /* try to read the boundaries from ACPI tables, if we fail the above
2487 * defaults should be reasonable
2489 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2494 /* the buffer lists brightness levels available, brightness levels are
2495 * from position 0 to 8 in the array, other values are used by ALS
2498 for (i = 0; i < 9 && i < ARRAY_SIZE(buffer); i++) {
2500 dprintk("Brightness level: %d\n", buffer[i]);
2505 if (buffer[i] > max)
2507 if (buffer[i] < min)
2510 props->offset = min;
2511 props->maxlvl = max;
2512 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2516 static void sony_nc_backlight_setup(void)
2519 int max_brightness = 0;
2520 const struct backlight_ops *ops = NULL;
2521 struct backlight_properties props;
2523 if (sony_find_snc_handle(0x12f) != -1) {
2524 ops = &sony_backlight_ng_ops;
2525 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2526 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2528 } else if (sony_find_snc_handle(0x137) != -1) {
2529 ops = &sony_backlight_ng_ops;
2530 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2531 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2533 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
2535 ops = &sony_backlight_ops;
2536 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2541 memset(&props, 0, sizeof(struct backlight_properties));
2542 props.type = BACKLIGHT_PLATFORM;
2543 props.max_brightness = max_brightness;
2544 sony_bl_props.dev = backlight_device_register("sony", NULL,
2548 if (IS_ERR(sony_bl_props.dev)) {
2549 pr_warn("unable to register backlight device\n");
2550 sony_bl_props.dev = NULL;
2552 sony_bl_props.dev->props.brightness =
2553 ops->get_brightness(sony_bl_props.dev);
2556 static void sony_nc_backlight_cleanup(void)
2558 if (sony_bl_props.dev)
2559 backlight_device_unregister(sony_bl_props.dev);
2562 static int sony_nc_add(struct acpi_device *device)
2567 struct sony_nc_value *item;
2569 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2571 sony_nc_acpi_device = device;
2572 strcpy(acpi_device_class(device), "sony/hotkey");
2574 sony_nc_acpi_handle = device->handle;
2576 /* read device status */
2577 result = acpi_bus_get_status(device);
2578 /* bail IFF the above call was successful and the device is not present */
2579 if (!result && !device->status.present) {
2580 dprintk("Device not present\n");
2585 result = sony_pf_add();
2590 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2591 sony_nc_acpi_handle, 1, sony_walk_callback,
2593 if (ACPI_FAILURE(status)) {
2594 pr_warn("unable to walk acpi resources\n");
2600 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
2603 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2604 dprintk("ECON Method failed\n");
2607 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
2609 dprintk("Doing SNC setup\n");
2610 /* retrieve the available handles */
2611 result = sony_nc_handles_setup(sony_pf_device);
2613 sony_nc_function_setup(device, sony_pf_device);
2616 /* setup input devices and helper fifo */
2617 result = sony_laptop_setup_input(device);
2619 pr_err("Unable to create input devices\n");
2623 if (acpi_video_backlight_support()) {
2624 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2626 sony_nc_backlight_setup();
2629 /* create sony_pf sysfs attributes related to the SNC device */
2630 for (item = sony_nc_values; item->name; ++item) {
2632 if (!debug && item->debug)
2635 /* find the available acpiget as described in the DSDT */
2636 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2637 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2640 dprintk("Found %s getter: %s\n",
2641 item->name, *item->acpiget);
2642 item->devattr.attr.mode |= S_IRUGO;
2647 /* find the available acpiset as described in the DSDT */
2648 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2649 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2652 dprintk("Found %s setter: %s\n",
2653 item->name, *item->acpiset);
2654 item->devattr.attr.mode |= S_IWUSR;
2659 if (item->devattr.attr.mode != 0) {
2661 device_create_file(&sony_pf_device->dev,
2671 for (item = sony_nc_values; item->name; ++item) {
2672 device_remove_file(&sony_pf_device->dev, &item->devattr);
2674 sony_nc_backlight_cleanup();
2676 sony_laptop_remove_input();
2679 sony_nc_function_cleanup(sony_pf_device);
2680 sony_nc_handles_cleanup(sony_pf_device);
2686 sony_nc_rfkill_cleanup();
2690 static int sony_nc_remove(struct acpi_device *device, int type)
2692 struct sony_nc_value *item;
2694 sony_nc_backlight_cleanup();
2696 sony_nc_acpi_device = NULL;
2698 for (item = sony_nc_values; item->name; ++item) {
2699 device_remove_file(&sony_pf_device->dev, &item->devattr);
2702 sony_nc_function_cleanup(sony_pf_device);
2703 sony_nc_handles_cleanup(sony_pf_device);
2705 sony_laptop_remove_input();
2706 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2711 static const struct acpi_device_id sony_device_ids[] = {
2716 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2718 static const struct acpi_device_id sony_nc_device_ids[] = {
2723 static struct acpi_driver sony_nc_driver = {
2724 .name = SONY_NC_DRIVER_NAME,
2725 .class = SONY_NC_CLASS,
2726 .ids = sony_nc_device_ids,
2727 .owner = THIS_MODULE,
2730 .remove = sony_nc_remove,
2731 .resume = sony_nc_resume,
2732 .notify = sony_nc_notify,
2736 /*********** SPIC (SNY6001) Device ***********/
2738 #define SONYPI_DEVICE_TYPE1 0x00000001
2739 #define SONYPI_DEVICE_TYPE2 0x00000002
2740 #define SONYPI_DEVICE_TYPE3 0x00000004
2742 #define SONYPI_TYPE1_OFFSET 0x04
2743 #define SONYPI_TYPE2_OFFSET 0x12
2744 #define SONYPI_TYPE3_OFFSET 0x12
2746 struct sony_pic_ioport {
2747 struct acpi_resource_io io1;
2748 struct acpi_resource_io io2;
2749 struct list_head list;
2752 struct sony_pic_irq {
2753 struct acpi_resource_irq irq;
2754 struct list_head list;
2757 struct sonypi_eventtypes {
2760 struct sonypi_event *events;
2763 struct sony_pic_dev {
2764 struct acpi_device *acpi_dev;
2765 struct sony_pic_irq *cur_irq;
2766 struct sony_pic_ioport *cur_ioport;
2767 struct list_head interrupts;
2768 struct list_head ioports;
2770 struct sonypi_eventtypes *event_types;
2771 int (*handle_irq)(const u8, const u8);
2779 static struct sony_pic_dev spic_dev = {
2780 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2781 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2784 static int spic_drv_registered;
2787 #define SONYPI_JOGGER_MASK 0x00000001
2788 #define SONYPI_CAPTURE_MASK 0x00000002
2789 #define SONYPI_FNKEY_MASK 0x00000004
2790 #define SONYPI_BLUETOOTH_MASK 0x00000008
2791 #define SONYPI_PKEY_MASK 0x00000010
2792 #define SONYPI_BACK_MASK 0x00000020
2793 #define SONYPI_HELP_MASK 0x00000040
2794 #define SONYPI_LID_MASK 0x00000080
2795 #define SONYPI_ZOOM_MASK 0x00000100
2796 #define SONYPI_THUMBPHRASE_MASK 0x00000200
2797 #define SONYPI_MEYE_MASK 0x00000400
2798 #define SONYPI_MEMORYSTICK_MASK 0x00000800
2799 #define SONYPI_BATTERY_MASK 0x00001000
2800 #define SONYPI_WIRELESS_MASK 0x00002000
2802 struct sonypi_event {
2807 /* The set of possible button release events */
2808 static struct sonypi_event sonypi_releaseev[] = {
2809 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2813 /* The set of possible jogger events */
2814 static struct sonypi_event sonypi_joggerev[] = {
2815 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2816 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2817 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2818 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2819 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2820 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2821 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2822 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2823 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
2824 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
2825 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
2826 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
2827 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
2831 /* The set of possible capture button events */
2832 static struct sonypi_event sonypi_captureev[] = {
2833 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
2834 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
2835 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2836 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
2840 /* The set of possible fnkeys events */
2841 static struct sonypi_event sonypi_fnkeyev[] = {
2842 { 0x10, SONYPI_EVENT_FNKEY_ESC },
2843 { 0x11, SONYPI_EVENT_FNKEY_F1 },
2844 { 0x12, SONYPI_EVENT_FNKEY_F2 },
2845 { 0x13, SONYPI_EVENT_FNKEY_F3 },
2846 { 0x14, SONYPI_EVENT_FNKEY_F4 },
2847 { 0x15, SONYPI_EVENT_FNKEY_F5 },
2848 { 0x16, SONYPI_EVENT_FNKEY_F6 },
2849 { 0x17, SONYPI_EVENT_FNKEY_F7 },
2850 { 0x18, SONYPI_EVENT_FNKEY_F8 },
2851 { 0x19, SONYPI_EVENT_FNKEY_F9 },
2852 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
2853 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
2854 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
2855 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
2856 { 0x21, SONYPI_EVENT_FNKEY_1 },
2857 { 0x22, SONYPI_EVENT_FNKEY_2 },
2858 { 0x31, SONYPI_EVENT_FNKEY_D },
2859 { 0x32, SONYPI_EVENT_FNKEY_E },
2860 { 0x33, SONYPI_EVENT_FNKEY_F },
2861 { 0x34, SONYPI_EVENT_FNKEY_S },
2862 { 0x35, SONYPI_EVENT_FNKEY_B },
2863 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
2867 /* The set of possible program key events */
2868 static struct sonypi_event sonypi_pkeyev[] = {
2869 { 0x01, SONYPI_EVENT_PKEY_P1 },
2870 { 0x02, SONYPI_EVENT_PKEY_P2 },
2871 { 0x04, SONYPI_EVENT_PKEY_P3 },
2872 { 0x20, SONYPI_EVENT_PKEY_P1 },
2876 /* The set of possible bluetooth events */
2877 static struct sonypi_event sonypi_blueev[] = {
2878 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
2879 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
2880 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
2884 /* The set of possible wireless events */
2885 static struct sonypi_event sonypi_wlessev[] = {
2886 { 0x59, SONYPI_EVENT_IGNORE },
2887 { 0x5a, SONYPI_EVENT_IGNORE },
2891 /* The set of possible back button events */
2892 static struct sonypi_event sonypi_backev[] = {
2893 { 0x20, SONYPI_EVENT_BACK_PRESSED },
2897 /* The set of possible help button events */
2898 static struct sonypi_event sonypi_helpev[] = {
2899 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
2904 /* The set of possible lid events */
2905 static struct sonypi_event sonypi_lidev[] = {
2906 { 0x51, SONYPI_EVENT_LID_CLOSED },
2907 { 0x50, SONYPI_EVENT_LID_OPENED },
2911 /* The set of possible zoom events */
2912 static struct sonypi_event sonypi_zoomev[] = {
2913 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
2914 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
2915 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2916 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2920 /* The set of possible thumbphrase events */
2921 static struct sonypi_event sonypi_thumbphraseev[] = {
2922 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
2926 /* The set of possible motioneye camera events */
2927 static struct sonypi_event sonypi_meyeev[] = {
2928 { 0x00, SONYPI_EVENT_MEYE_FACE },
2929 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
2933 /* The set of possible memorystick events */
2934 static struct sonypi_event sonypi_memorystickev[] = {
2935 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
2936 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
2940 /* The set of possible battery events */
2941 static struct sonypi_event sonypi_batteryev[] = {
2942 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
2943 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
2947 /* The set of possible volume events */
2948 static struct sonypi_event sonypi_volumeev[] = {
2949 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
2950 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
2954 /* The set of possible brightness events */
2955 static struct sonypi_event sonypi_brightnessev[] = {
2956 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
2960 static struct sonypi_eventtypes type1_events[] = {
2961 { 0, 0xffffffff, sonypi_releaseev },
2962 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
2963 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
2964 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
2965 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
2966 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2967 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2968 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
2969 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2970 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
2973 static struct sonypi_eventtypes type2_events[] = {
2974 { 0, 0xffffffff, sonypi_releaseev },
2975 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
2976 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
2977 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
2978 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2979 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2980 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
2981 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
2982 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
2983 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
2984 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
2985 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2986 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2987 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2990 static struct sonypi_eventtypes type3_events[] = {
2991 { 0, 0xffffffff, sonypi_releaseev },
2992 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2993 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
2994 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2995 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2996 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2997 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
2998 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
2999 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3000 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3001 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3005 /* low level spic calls */
3006 #define ITERATIONS_LONG 10000
3007 #define ITERATIONS_SHORT 10
3008 #define wait_on_command(command, iterations) { \
3009 unsigned int n = iterations; \
3010 while (--n && (command)) \
3013 dprintk("command failed at %s : %s (line %d)\n", \
3014 __FILE__, __func__, __LINE__); \
3017 static u8 sony_pic_call1(u8 dev)
3021 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3023 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3024 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3025 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3026 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3030 static u8 sony_pic_call2(u8 dev, u8 fn)
3034 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3036 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3037 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3039 outb(fn, spic_dev.cur_ioport->io1.minimum);
3040 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3041 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3045 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3049 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3050 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3051 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3052 outb(fn, spic_dev.cur_ioport->io1.minimum);
3053 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3054 outb(v, spic_dev.cur_ioport->io1.minimum);
3055 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3056 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3062 * minidrivers for SPIC models
3064 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3067 * 0x31 could mean we have to take some extra action and wait for
3068 * the next irq for some Type3 models, it will generate a new
3069 * irq and we can read new data from the device:
3070 * - 0x5c and 0x5f requires 0xA0
3071 * - 0x61 requires 0xB3
3073 if (data_mask == 0x31) {
3074 if (ev == 0x5c || ev == 0x5f)
3075 sony_pic_call1(0xA0);
3076 else if (ev == 0x61)
3077 sony_pic_call1(0xB3);
3083 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3085 struct pci_dev *pcidev;
3087 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3088 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3090 dev->model = SONYPI_DEVICE_TYPE1;
3091 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3092 dev->event_types = type1_events;
3096 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3097 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3099 dev->model = SONYPI_DEVICE_TYPE2;
3100 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3101 dev->event_types = type2_events;
3105 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3106 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3108 dev->model = SONYPI_DEVICE_TYPE3;
3109 dev->handle_irq = type3_handle_irq;
3110 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3111 dev->event_types = type3_events;
3115 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3116 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3118 dev->model = SONYPI_DEVICE_TYPE3;
3119 dev->handle_irq = type3_handle_irq;
3120 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3121 dev->event_types = type3_events;
3125 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3126 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3128 dev->model = SONYPI_DEVICE_TYPE3;
3129 dev->handle_irq = type3_handle_irq;
3130 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3131 dev->event_types = type3_events;
3136 dev->model = SONYPI_DEVICE_TYPE2;
3137 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3138 dev->event_types = type2_events;
3142 pci_dev_put(pcidev);
3144 pr_info("detected Type%d model\n",
3145 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3146 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3149 /* camera tests and poweron/poweroff */
3150 #define SONYPI_CAMERA_PICTURE 5
3151 #define SONYPI_CAMERA_CONTROL 0x10
3153 #define SONYPI_CAMERA_BRIGHTNESS 0
3154 #define SONYPI_CAMERA_CONTRAST 1
3155 #define SONYPI_CAMERA_HUE 2
3156 #define SONYPI_CAMERA_COLOR 3
3157 #define SONYPI_CAMERA_SHARPNESS 4
3159 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3160 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3161 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3162 #define SONYPI_CAMERA_MUTE_MASK 0x40
3164 /* the rest don't need a loop until not 0xff */
3165 #define SONYPI_CAMERA_AGC 6
3166 #define SONYPI_CAMERA_AGC_MASK 0x30
3167 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3169 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3170 #define SONYPI_CAMERA_CONTROL 0x10
3172 #define SONYPI_CAMERA_STATUS 7
3173 #define SONYPI_CAMERA_STATUS_READY 0x2
3174 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3176 #define SONYPI_DIRECTION_BACKWARDS 0x4
3178 #define SONYPI_CAMERA_REVISION 8
3179 #define SONYPI_CAMERA_ROMVERSION 9
3181 static int __sony_pic_camera_ready(void)
3185 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3186 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3189 static int __sony_pic_camera_off(void)
3192 pr_warn("camera control not enabled\n");
3196 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3197 SONYPI_CAMERA_MUTE_MASK),
3200 if (spic_dev.camera_power) {
3201 sony_pic_call2(0x91, 0);
3202 spic_dev.camera_power = 0;
3207 static int __sony_pic_camera_on(void)
3212 pr_warn("camera control not enabled\n");
3216 if (spic_dev.camera_power)
3219 for (j = 5; j > 0; j--) {
3221 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3223 sony_pic_call1(0x93);
3225 for (i = 400; i > 0; i--) {
3226 if (__sony_pic_camera_ready())
3235 pr_warn("failed to power on camera\n");
3239 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3243 spic_dev.camera_power = 1;
3247 /* External camera command (exported to the motion eye v4l driver) */
3248 int sony_pic_camera_command(int command, u8 value)
3253 mutex_lock(&spic_dev.lock);
3256 case SONY_PIC_COMMAND_SETCAMERA:
3258 __sony_pic_camera_on();
3260 __sony_pic_camera_off();
3262 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3263 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3266 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3267 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3270 case SONY_PIC_COMMAND_SETCAMERAHUE:
3271 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3274 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3275 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3278 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3279 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3282 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3283 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3286 case SONY_PIC_COMMAND_SETCAMERAAGC:
3287 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3291 pr_err("sony_pic_camera_command invalid: %d\n", command);
3294 mutex_unlock(&spic_dev.lock);
3297 EXPORT_SYMBOL(sony_pic_camera_command);
3299 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3300 static void __sony_pic_set_wwanpower(u8 state)
3303 if (spic_dev.wwan_power == state)
3305 sony_pic_call2(0xB0, state);
3306 sony_pic_call1(0x82);
3307 spic_dev.wwan_power = state;
3310 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3311 struct device_attribute *attr,
3312 const char *buffer, size_t count)
3314 unsigned long value;
3318 if (kstrtoul(buffer, 10, &value))
3321 mutex_lock(&spic_dev.lock);
3322 __sony_pic_set_wwanpower(value);
3323 mutex_unlock(&spic_dev.lock);
3328 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3329 struct device_attribute *attr, char *buffer)
3332 mutex_lock(&spic_dev.lock);
3333 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3334 mutex_unlock(&spic_dev.lock);
3338 /* bluetooth subsystem power state */
3339 static void __sony_pic_set_bluetoothpower(u8 state)
3342 if (spic_dev.bluetooth_power == state)
3344 sony_pic_call2(0x96, state);
3345 sony_pic_call1(0x82);
3346 spic_dev.bluetooth_power = state;
3349 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3350 struct device_attribute *attr,
3351 const char *buffer, size_t count)
3353 unsigned long value;
3357 if (kstrtoul(buffer, 10, &value))
3360 mutex_lock(&spic_dev.lock);
3361 __sony_pic_set_bluetoothpower(value);
3362 mutex_unlock(&spic_dev.lock);
3367 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3368 struct device_attribute *attr, char *buffer)
3371 mutex_lock(&spic_dev.lock);
3372 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3373 mutex_unlock(&spic_dev.lock);
3378 /* FAN0 information (reverse engineered from ACPI tables) */
3379 #define SONY_PIC_FAN0_STATUS 0x93
3380 static int sony_pic_set_fanspeed(unsigned long value)
3382 return ec_write(SONY_PIC_FAN0_STATUS, value);
3385 static int sony_pic_get_fanspeed(u8 *value)
3387 return ec_read(SONY_PIC_FAN0_STATUS, value);
3390 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3391 struct device_attribute *attr,
3392 const char *buffer, size_t count)
3394 unsigned long value;
3398 if (kstrtoul(buffer, 10, &value))
3401 if (sony_pic_set_fanspeed(value))
3407 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3408 struct device_attribute *attr, char *buffer)
3411 if (sony_pic_get_fanspeed(&value))
3414 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3417 #define SPIC_ATTR(_name, _mode) \
3418 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3419 _mode, sony_pic_## _name ##_show, \
3420 sony_pic_## _name ##_store)
3422 static SPIC_ATTR(bluetoothpower, 0644);
3423 static SPIC_ATTR(wwanpower, 0644);
3424 static SPIC_ATTR(fanspeed, 0644);
3426 static struct attribute *spic_attributes[] = {
3427 &spic_attr_bluetoothpower.attr,
3428 &spic_attr_wwanpower.attr,
3429 &spic_attr_fanspeed.attr,
3433 static struct attribute_group spic_attribute_group = {
3434 .attrs = spic_attributes
3437 /******** SONYPI compatibility **********/
3438 #ifdef CONFIG_SONYPI_COMPAT
3440 /* battery / brightness / temperature addresses */
3441 #define SONYPI_BAT_FLAGS 0x81
3442 #define SONYPI_LCD_LIGHT 0x96
3443 #define SONYPI_BAT1_PCTRM 0xa0
3444 #define SONYPI_BAT1_LEFT 0xa2
3445 #define SONYPI_BAT1_MAXRT 0xa4
3446 #define SONYPI_BAT2_PCTRM 0xa8
3447 #define SONYPI_BAT2_LEFT 0xaa
3448 #define SONYPI_BAT2_MAXRT 0xac
3449 #define SONYPI_BAT1_MAXTK 0xb0
3450 #define SONYPI_BAT1_FULL 0xb2
3451 #define SONYPI_BAT2_MAXTK 0xb8
3452 #define SONYPI_BAT2_FULL 0xba
3453 #define SONYPI_TEMP_STATUS 0xC1
3455 struct sonypi_compat_s {
3456 struct fasync_struct *fifo_async;
3458 spinlock_t fifo_lock;
3459 wait_queue_head_t fifo_proc_list;
3460 atomic_t open_count;
3462 static struct sonypi_compat_s sonypi_compat = {
3463 .open_count = ATOMIC_INIT(0),
3466 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3468 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3471 static int sonypi_misc_release(struct inode *inode, struct file *file)
3473 atomic_dec(&sonypi_compat.open_count);
3477 static int sonypi_misc_open(struct inode *inode, struct file *file)
3479 /* Flush input queue on first open */
3480 unsigned long flags;
3482 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3484 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3485 kfifo_reset(&sonypi_compat.fifo);
3487 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3492 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3493 size_t count, loff_t *pos)
3498 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3499 (file->f_flags & O_NONBLOCK))
3502 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3503 kfifo_len(&sonypi_compat.fifo) != 0);
3507 while (ret < count &&
3508 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3509 &sonypi_compat.fifo_lock) == sizeof(c))) {
3510 if (put_user(c, buf++))
3516 struct inode *inode = file->f_path.dentry->d_inode;
3517 inode->i_atime = current_fs_time(inode->i_sb);
3523 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3525 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3526 if (kfifo_len(&sonypi_compat.fifo))
3527 return POLLIN | POLLRDNORM;
3531 static int ec_read16(u8 addr, u16 *value)
3534 if (ec_read(addr, &val_lb))
3536 if (ec_read(addr + 1, &val_hb))
3538 *value = val_lb | (val_hb << 8);
3542 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3546 void __user *argp = (void __user *)arg;
3551 mutex_lock(&spic_dev.lock);
3553 case SONYPI_IOCGBRT:
3554 if (sony_bl_props.dev == NULL) {
3558 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3563 val8 = ((value & 0xff) - 1) << 5;
3564 if (copy_to_user(argp, &val8, sizeof(val8)))
3567 case SONYPI_IOCSBRT:
3568 if (sony_bl_props.dev == NULL) {
3572 if (copy_from_user(&val8, argp, sizeof(val8))) {
3576 value = (val8 >> 5) + 1;
3577 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3582 /* sync the backlight device status */
3583 sony_bl_props.dev->props.brightness =
3584 sony_backlight_get_brightness(sony_bl_props.dev);
3586 case SONYPI_IOCGBAT1CAP:
3587 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3591 if (copy_to_user(argp, &val16, sizeof(val16)))
3594 case SONYPI_IOCGBAT1REM:
3595 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3599 if (copy_to_user(argp, &val16, sizeof(val16)))
3602 case SONYPI_IOCGBAT2CAP:
3603 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3607 if (copy_to_user(argp, &val16, sizeof(val16)))
3610 case SONYPI_IOCGBAT2REM:
3611 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3615 if (copy_to_user(argp, &val16, sizeof(val16)))
3618 case SONYPI_IOCGBATFLAGS:
3619 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3624 if (copy_to_user(argp, &val8, sizeof(val8)))
3627 case SONYPI_IOCGBLUE:
3628 val8 = spic_dev.bluetooth_power;
3629 if (copy_to_user(argp, &val8, sizeof(val8)))
3632 case SONYPI_IOCSBLUE:
3633 if (copy_from_user(&val8, argp, sizeof(val8))) {
3637 __sony_pic_set_bluetoothpower(val8);
3640 case SONYPI_IOCGFAN:
3641 if (sony_pic_get_fanspeed(&val8)) {
3645 if (copy_to_user(argp, &val8, sizeof(val8)))
3648 case SONYPI_IOCSFAN:
3649 if (copy_from_user(&val8, argp, sizeof(val8))) {
3653 if (sony_pic_set_fanspeed(val8))
3656 /* GET Temperature (useful under APM) */
3657 case SONYPI_IOCGTEMP:
3658 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3662 if (copy_to_user(argp, &val8, sizeof(val8)))
3668 mutex_unlock(&spic_dev.lock);
3672 static const struct file_operations sonypi_misc_fops = {
3673 .owner = THIS_MODULE,
3674 .read = sonypi_misc_read,
3675 .poll = sonypi_misc_poll,
3676 .open = sonypi_misc_open,
3677 .release = sonypi_misc_release,
3678 .fasync = sonypi_misc_fasync,
3679 .unlocked_ioctl = sonypi_misc_ioctl,
3680 .llseek = noop_llseek,
3683 static struct miscdevice sonypi_misc_device = {
3684 .minor = MISC_DYNAMIC_MINOR,
3686 .fops = &sonypi_misc_fops,
3689 static void sonypi_compat_report_event(u8 event)
3691 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3692 sizeof(event), &sonypi_compat.fifo_lock);
3693 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3694 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3697 static int sonypi_compat_init(void)
3701 spin_lock_init(&sonypi_compat.fifo_lock);
3703 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3705 pr_err("kfifo_alloc failed\n");
3709 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3712 sonypi_misc_device.minor = minor;
3713 error = misc_register(&sonypi_misc_device);
3715 pr_err("misc_register failed\n");
3716 goto err_free_kfifo;
3719 pr_info("device allocated minor is %d\n",
3720 sonypi_misc_device.minor);
3725 kfifo_free(&sonypi_compat.fifo);
3729 static void sonypi_compat_exit(void)
3731 misc_deregister(&sonypi_misc_device);
3732 kfifo_free(&sonypi_compat.fifo);
3735 static int sonypi_compat_init(void) { return 0; }
3736 static void sonypi_compat_exit(void) { }
3737 static void sonypi_compat_report_event(u8 event) { }
3738 #endif /* CONFIG_SONYPI_COMPAT */
3744 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3747 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3749 switch (resource->type) {
3750 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3752 /* start IO enumeration */
3753 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3757 list_add(&ioport->list, &dev->ioports);
3761 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3762 /* end IO enumeration */
3765 case ACPI_RESOURCE_TYPE_IRQ:
3767 struct acpi_resource_irq *p = &resource->data.irq;
3768 struct sony_pic_irq *interrupt = NULL;
3769 if (!p || !p->interrupt_count) {
3771 * IRQ descriptors may have no IRQ# bits set,
3772 * particularly those those w/ _STA disabled
3774 dprintk("Blank IRQ resource\n");
3777 for (i = 0; i < p->interrupt_count; i++) {
3778 if (!p->interrupts[i]) {
3779 pr_warn("Invalid IRQ %d\n",
3783 interrupt = kzalloc(sizeof(*interrupt),
3788 list_add(&interrupt->list, &dev->interrupts);
3789 interrupt->irq.triggering = p->triggering;
3790 interrupt->irq.polarity = p->polarity;
3791 interrupt->irq.sharable = p->sharable;
3792 interrupt->irq.interrupt_count = 1;
3793 interrupt->irq.interrupts[0] = p->interrupts[i];
3797 case ACPI_RESOURCE_TYPE_IO:
3799 struct acpi_resource_io *io = &resource->data.io;
3800 struct sony_pic_ioport *ioport =
3801 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3803 dprintk("Blank IO resource\n");
3807 if (!ioport->io1.minimum) {
3808 memcpy(&ioport->io1, io, sizeof(*io));
3809 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3810 ioport->io1.address_length);
3812 else if (!ioport->io2.minimum) {
3813 memcpy(&ioport->io2, io, sizeof(*io));
3814 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3815 ioport->io2.address_length);
3818 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3824 dprintk("Resource %d isn't an IRQ nor an IO port\n",
3827 case ACPI_RESOURCE_TYPE_END_TAG:
3830 return AE_CTRL_TERMINATE;
3833 static int sony_pic_possible_resources(struct acpi_device *device)
3836 acpi_status status = AE_OK;
3841 /* get device status */
3842 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
3843 dprintk("Evaluating _STA\n");
3844 result = acpi_bus_get_status(device);
3846 pr_warn("Unable to read status\n");
3850 if (!device->status.enabled)
3851 dprintk("Device disabled\n");
3853 dprintk("Device enabled\n");
3856 * Query and parse 'method'
3858 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
3859 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
3860 sony_pic_read_possible_resource, &spic_dev);
3861 if (ACPI_FAILURE(status)) {
3862 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
3870 * Disable the spic device by calling its _DIS method
3872 static int sony_pic_disable(struct acpi_device *device)
3874 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
3877 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
3880 dprintk("Device disabled\n");
3886 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
3888 * Call _SRS to set current resources
3890 static int sony_pic_enable(struct acpi_device *device,
3891 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
3895 /* Type 1 resource layout is:
3901 * Type 2 and 3 resource layout is:
3907 struct acpi_resource res1;
3908 struct acpi_resource res2;
3909 struct acpi_resource res3;
3910 struct acpi_resource res4;
3912 struct acpi_buffer buffer = { 0, NULL };
3914 if (!ioport || !irq)
3917 /* init acpi_buffer */
3918 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
3922 buffer.length = sizeof(*resource) + 1;
3923 buffer.pointer = resource;
3925 /* setup Type 1 resources */
3926 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3928 /* setup io resources */
3929 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3930 resource->res1.length = sizeof(struct acpi_resource);
3931 memcpy(&resource->res1.data.io, &ioport->io1,
3932 sizeof(struct acpi_resource_io));
3934 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
3935 resource->res2.length = sizeof(struct acpi_resource);
3936 memcpy(&resource->res2.data.io, &ioport->io2,
3937 sizeof(struct acpi_resource_io));
3939 /* setup irq resource */
3940 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
3941 resource->res3.length = sizeof(struct acpi_resource);
3942 memcpy(&resource->res3.data.irq, &irq->irq,
3943 sizeof(struct acpi_resource_irq));
3944 /* we requested a shared irq */
3945 resource->res3.data.irq.sharable = ACPI_SHARED;
3947 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
3950 /* setup Type 2/3 resources */
3952 /* setup io resource */
3953 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3954 resource->res1.length = sizeof(struct acpi_resource);
3955 memcpy(&resource->res1.data.io, &ioport->io1,
3956 sizeof(struct acpi_resource_io));
3958 /* setup irq resource */
3959 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
3960 resource->res2.length = sizeof(struct acpi_resource);
3961 memcpy(&resource->res2.data.irq, &irq->irq,
3962 sizeof(struct acpi_resource_irq));
3963 /* we requested a shared irq */
3964 resource->res2.data.irq.sharable = ACPI_SHARED;
3966 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
3969 /* Attempt to set the resource */
3970 dprintk("Evaluating _SRS\n");
3971 status = acpi_set_current_resources(device->handle, &buffer);
3973 /* check for total failure */
3974 if (ACPI_FAILURE(status)) {
3975 pr_err("Error evaluating _SRS\n");
3980 /* Necessary device initializations calls (from sonypi) */
3981 sony_pic_call1(0x82);
3982 sony_pic_call2(0x81, 0xff);
3983 sony_pic_call1(compat ? 0x92 : 0x82);
3992 * ISR: some event is available
3995 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4000 u8 device_event = 0;
4002 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4004 ev = inb_p(dev->cur_ioport->io1.minimum);
4005 if (dev->cur_ioport->io2.minimum)
4006 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4008 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4009 dev->evport_offset);
4011 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4012 ev, data_mask, dev->cur_ioport->io1.minimum,
4013 dev->evport_offset);
4015 if (ev == 0x00 || ev == 0xff)
4018 for (i = 0; dev->event_types[i].mask; i++) {
4020 if ((data_mask & dev->event_types[i].data) !=
4021 dev->event_types[i].data)
4024 if (!(mask & dev->event_types[i].mask))
4027 for (j = 0; dev->event_types[i].events[j].event; j++) {
4028 if (ev == dev->event_types[i].events[j].data) {
4030 dev->event_types[i].events[j].event;
4031 /* some events may require ignoring */
4038 /* Still not able to decode the event try to pass
4039 * it over to the minidriver
4041 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4044 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4045 ev, data_mask, dev->cur_ioport->io1.minimum,
4046 dev->evport_offset);
4050 sony_laptop_report_input_event(device_event);
4051 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
4052 sonypi_compat_report_event(device_event);
4061 static int sony_pic_remove(struct acpi_device *device, int type)
4063 struct sony_pic_ioport *io, *tmp_io;
4064 struct sony_pic_irq *irq, *tmp_irq;
4066 if (sony_pic_disable(device)) {
4067 pr_err("Couldn't disable device\n");
4071 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4072 release_region(spic_dev.cur_ioport->io1.minimum,
4073 spic_dev.cur_ioport->io1.address_length);
4074 if (spic_dev.cur_ioport->io2.minimum)
4075 release_region(spic_dev.cur_ioport->io2.minimum,
4076 spic_dev.cur_ioport->io2.address_length);
4078 sonypi_compat_exit();
4080 sony_laptop_remove_input();
4083 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4086 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4087 list_del(&io->list);
4090 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4091 list_del(&irq->list);
4094 spic_dev.cur_ioport = NULL;
4095 spic_dev.cur_irq = NULL;
4097 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4101 static int sony_pic_add(struct acpi_device *device)
4104 struct sony_pic_ioport *io, *tmp_io;
4105 struct sony_pic_irq *irq, *tmp_irq;
4107 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4109 spic_dev.acpi_dev = device;
4110 strcpy(acpi_device_class(device), "sony/hotkey");
4111 sony_pic_detect_device_type(&spic_dev);
4112 mutex_init(&spic_dev.lock);
4114 /* read _PRS resources */
4115 result = sony_pic_possible_resources(device);
4117 pr_err("Unable to read possible resources\n");
4118 goto err_free_resources;
4121 /* setup input devices and helper fifo */
4122 result = sony_laptop_setup_input(device);
4124 pr_err("Unable to create input devices\n");
4125 goto err_free_resources;
4128 if (sonypi_compat_init())
4129 goto err_remove_input;
4131 /* request io port */
4132 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4133 if (request_region(io->io1.minimum, io->io1.address_length,
4134 "Sony Programmable I/O Device")) {
4135 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4136 io->io1.minimum, io->io1.maximum,
4137 io->io1.address_length);
4138 /* Type 1 have 2 ioports */
4139 if (io->io2.minimum) {
4140 if (request_region(io->io2.minimum,
4141 io->io2.address_length,
4142 "Sony Programmable I/O Device")) {
4143 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4144 io->io2.minimum, io->io2.maximum,
4145 io->io2.address_length);
4146 spic_dev.cur_ioport = io;
4150 dprintk("Unable to get I/O port2: "
4151 "0x%.4x (0x%.4x) + 0x%.2x\n",
4152 io->io2.minimum, io->io2.maximum,
4153 io->io2.address_length);
4154 release_region(io->io1.minimum,
4155 io->io1.address_length);
4159 spic_dev.cur_ioport = io;
4164 if (!spic_dev.cur_ioport) {
4165 pr_err("Failed to request_region\n");
4167 goto err_remove_compat;
4171 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4172 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4173 0, "sony-laptop", &spic_dev)) {
4174 dprintk("IRQ: %d - triggering: %d - "
4175 "polarity: %d - shr: %d\n",
4176 irq->irq.interrupts[0],
4177 irq->irq.triggering,
4180 spic_dev.cur_irq = irq;
4184 if (!spic_dev.cur_irq) {
4185 pr_err("Failed to request_irq\n");
4187 goto err_release_region;
4190 /* set resource status _SRS */
4191 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4193 pr_err("Couldn't enable device\n");
4197 spic_dev.bluetooth_power = -1;
4198 /* create device attributes */
4199 result = sony_pf_add();
4201 goto err_disable_device;
4203 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4213 sony_pic_disable(device);
4216 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4219 release_region(spic_dev.cur_ioport->io1.minimum,
4220 spic_dev.cur_ioport->io1.address_length);
4221 if (spic_dev.cur_ioport->io2.minimum)
4222 release_region(spic_dev.cur_ioport->io2.minimum,
4223 spic_dev.cur_ioport->io2.address_length);
4226 sonypi_compat_exit();
4229 sony_laptop_remove_input();
4232 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4233 list_del(&io->list);
4236 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4237 list_del(&irq->list);
4240 spic_dev.cur_ioport = NULL;
4241 spic_dev.cur_irq = NULL;
4246 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
4248 if (sony_pic_disable(device))
4253 static int sony_pic_resume(struct acpi_device *device)
4255 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4259 static const struct acpi_device_id sony_pic_device_ids[] = {
4264 static struct acpi_driver sony_pic_driver = {
4265 .name = SONY_PIC_DRIVER_NAME,
4266 .class = SONY_PIC_CLASS,
4267 .ids = sony_pic_device_ids,
4268 .owner = THIS_MODULE,
4270 .add = sony_pic_add,
4271 .remove = sony_pic_remove,
4272 .suspend = sony_pic_suspend,
4273 .resume = sony_pic_resume,
4277 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4279 .ident = "Sony Vaio",
4281 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4282 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4286 .ident = "Sony Vaio",
4288 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4289 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4295 static int __init sony_laptop_init(void)
4299 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4300 result = acpi_bus_register_driver(&sony_pic_driver);
4302 pr_err("Unable to register SPIC driver\n");
4305 spic_drv_registered = 1;
4308 result = acpi_bus_register_driver(&sony_nc_driver);
4310 pr_err("Unable to register SNC driver\n");
4311 goto out_unregister_pic;
4317 if (spic_drv_registered)
4318 acpi_bus_unregister_driver(&sony_pic_driver);
4323 static void __exit sony_laptop_exit(void)
4325 acpi_bus_unregister_driver(&sony_nc_driver);
4326 if (spic_drv_registered)
4327 acpi_bus_unregister_driver(&sony_pic_driver);
4330 module_init(sony_laptop_init);
4331 module_exit(sony_laptop_exit);