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: no change from current value)");
136 static int kbd_backlight_timeout = -1;
137 module_param(kbd_backlight_timeout, int, 0444);
138 MODULE_PARM_DESC(kbd_backlight_timeout,
139 "meaningful values vary from 0 to 3 and their meaning depends "
140 "on the model (default: no change from current value)");
142 #ifdef CONFIG_PM_SLEEP
143 static void sony_nc_kbd_backlight_resume(void);
144 static void sony_nc_thermal_resume(void);
146 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
147 unsigned int handle);
148 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
150 static int sony_nc_battery_care_setup(struct platform_device *pd,
151 unsigned int handle);
152 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
154 static int sony_nc_thermal_setup(struct platform_device *pd);
155 static void sony_nc_thermal_cleanup(struct platform_device *pd);
157 static int sony_nc_lid_resume_setup(struct platform_device *pd);
158 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
160 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
161 unsigned int handle);
162 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
163 static int __sony_nc_gfx_switch_status_get(void);
165 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
166 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
168 static int sony_nc_touchpad_setup(struct platform_device *pd,
169 unsigned int handle);
170 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
172 enum sony_nc_rfkill {
180 static int sony_rfkill_handle;
181 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
182 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
183 static int sony_nc_rfkill_setup(struct acpi_device *device,
184 unsigned int handle);
185 static void sony_nc_rfkill_cleanup(void);
186 static void sony_nc_rfkill_update(void);
188 /*********** Input Devices ***********/
190 #define SONY_LAPTOP_BUF_SIZE 128
191 struct sony_laptop_input_s {
193 struct input_dev *jog_dev;
194 struct input_dev *key_dev;
196 spinlock_t fifo_lock;
197 struct timer_list release_key_timer;
200 static struct sony_laptop_input_s sony_laptop_input = {
201 .users = ATOMIC_INIT(0),
204 struct sony_laptop_keypress {
205 struct input_dev *dev;
209 /* Correspondance table between sonypi events
210 * and input layer indexes in the keymap
212 static int sony_laptop_input_index[] = {
214 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
215 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
216 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
217 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
218 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
219 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
220 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
221 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
222 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
223 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
224 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
225 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
226 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
227 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
228 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
229 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
230 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
231 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
232 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
233 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
234 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
235 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
236 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
237 17, /* 24 SONYPI_EVENT_FNKEY_1 */
238 18, /* 25 SONYPI_EVENT_FNKEY_2 */
239 19, /* 26 SONYPI_EVENT_FNKEY_D */
240 20, /* 27 SONYPI_EVENT_FNKEY_E */
241 21, /* 28 SONYPI_EVENT_FNKEY_F */
242 22, /* 29 SONYPI_EVENT_FNKEY_S */
243 23, /* 30 SONYPI_EVENT_FNKEY_B */
244 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
245 25, /* 32 SONYPI_EVENT_PKEY_P1 */
246 26, /* 33 SONYPI_EVENT_PKEY_P2 */
247 27, /* 34 SONYPI_EVENT_PKEY_P3 */
248 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
249 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
250 -1, /* 37 SONYPI_EVENT_LID_OPENED */
251 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
252 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
253 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
254 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
255 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
256 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
257 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
258 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
259 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
260 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
261 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
262 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
263 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
264 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
265 43, /* 52 SONYPI_EVENT_MEYE_FACE */
266 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
267 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
268 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
269 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
270 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
271 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
272 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
273 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
274 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
275 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
276 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
277 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
278 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
279 53, /* 66 SONYPI_EVENT_PKEY_P4 */
280 54, /* 67 SONYPI_EVENT_PKEY_P5 */
281 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
282 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
283 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
284 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
285 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
286 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
289 static int sony_laptop_input_keycode_map[] = {
290 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
291 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
292 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
293 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
294 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
295 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
296 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
297 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
298 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
299 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
300 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
301 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
302 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
303 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
304 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
305 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
306 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
307 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
308 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
309 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
310 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
311 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
312 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
313 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
314 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
315 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
316 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
317 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
318 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
319 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
320 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
321 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
322 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
323 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
324 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
325 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
326 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
327 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
328 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
329 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
330 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
331 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
332 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
333 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
334 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
335 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
336 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
337 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
338 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
339 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
340 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
341 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
342 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
343 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
344 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
345 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
346 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
347 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
348 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
349 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
352 /* release buttons after a short delay if pressed */
353 static void do_sony_laptop_release_key(unsigned long unused)
355 struct sony_laptop_keypress kp;
358 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
360 if (kfifo_out(&sony_laptop_input.fifo,
361 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
362 input_report_key(kp.dev, kp.key, 0);
366 /* If there is something in the fifo schedule next release. */
367 if (kfifo_len(&sony_laptop_input.fifo) != 0)
368 mod_timer(&sony_laptop_input.release_key_timer,
369 jiffies + msecs_to_jiffies(10));
371 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
374 /* forward event to the input subsystem */
375 static void sony_laptop_report_input_event(u8 event)
377 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
378 struct input_dev *key_dev = sony_laptop_input.key_dev;
379 struct sony_laptop_keypress kp = { NULL };
382 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
383 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
384 /* Nothing, not all VAIOs generate this event */
391 case SONYPI_EVENT_JOGDIAL_UP:
392 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
393 input_report_rel(jog_dev, REL_WHEEL, 1);
397 case SONYPI_EVENT_JOGDIAL_DOWN:
398 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
399 input_report_rel(jog_dev, REL_WHEEL, -1);
404 case SONYPI_EVENT_JOGDIAL_PRESSED:
410 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
411 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
414 if ((scancode = sony_laptop_input_index[event]) != -1) {
415 kp.key = sony_laptop_input_keycode_map[scancode];
416 if (kp.key != KEY_UNKNOWN)
423 /* if we have a scancode we emit it so we can always
426 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
427 input_report_key(kp.dev, kp.key, 1);
430 /* schedule key release */
431 kfifo_in_locked(&sony_laptop_input.fifo,
432 (unsigned char *)&kp, sizeof(kp),
433 &sony_laptop_input.fifo_lock);
434 mod_timer(&sony_laptop_input.release_key_timer,
435 jiffies + msecs_to_jiffies(10));
437 dprintk("unknown input event %.2x\n", event);
440 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
442 struct input_dev *jog_dev;
443 struct input_dev *key_dev;
447 /* don't run again if already initialized */
448 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
452 spin_lock_init(&sony_laptop_input.fifo_lock);
453 error = kfifo_alloc(&sony_laptop_input.fifo,
454 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
456 pr_err("kfifo_alloc failed\n");
460 setup_timer(&sony_laptop_input.release_key_timer,
461 do_sony_laptop_release_key, 0);
464 key_dev = input_allocate_device();
470 key_dev->name = "Sony Vaio Keys";
471 key_dev->id.bustype = BUS_ISA;
472 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
473 key_dev->dev.parent = &acpi_device->dev;
475 /* Initialize the Input Drivers: special keys */
476 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
478 __set_bit(EV_KEY, key_dev->evbit);
479 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
480 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
481 key_dev->keycode = &sony_laptop_input_keycode_map;
482 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
483 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
484 __clear_bit(KEY_RESERVED, key_dev->keybit);
486 error = input_register_device(key_dev);
488 goto err_free_keydev;
490 sony_laptop_input.key_dev = key_dev;
493 jog_dev = input_allocate_device();
496 goto err_unregister_keydev;
499 jog_dev->name = "Sony Vaio Jogdial";
500 jog_dev->id.bustype = BUS_ISA;
501 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
502 jog_dev->dev.parent = &acpi_device->dev;
504 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
505 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
507 error = input_register_device(jog_dev);
509 goto err_free_jogdev;
511 sony_laptop_input.jog_dev = jog_dev;
516 input_free_device(jog_dev);
518 err_unregister_keydev:
519 input_unregister_device(key_dev);
520 /* to avoid kref underflow below at input_free_device */
524 input_free_device(key_dev);
527 kfifo_free(&sony_laptop_input.fifo);
530 atomic_dec(&sony_laptop_input.users);
534 static void sony_laptop_remove_input(void)
536 struct sony_laptop_keypress kp = { NULL };
538 /* Cleanup only after the last user has gone */
539 if (!atomic_dec_and_test(&sony_laptop_input.users))
542 del_timer_sync(&sony_laptop_input.release_key_timer);
545 * Generate key-up events for remaining keys. Note that we don't
546 * need locking since nobody is adding new events to the kfifo.
548 while (kfifo_out(&sony_laptop_input.fifo,
549 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
550 input_report_key(kp.dev, kp.key, 0);
554 /* destroy input devs */
555 input_unregister_device(sony_laptop_input.key_dev);
556 sony_laptop_input.key_dev = NULL;
558 if (sony_laptop_input.jog_dev) {
559 input_unregister_device(sony_laptop_input.jog_dev);
560 sony_laptop_input.jog_dev = NULL;
563 kfifo_free(&sony_laptop_input.fifo);
566 /*********** Platform Device ***********/
568 static atomic_t sony_pf_users = ATOMIC_INIT(0);
569 static struct platform_driver sony_pf_driver = {
571 .name = "sony-laptop",
572 .owner = THIS_MODULE,
575 static struct platform_device *sony_pf_device;
577 static int sony_pf_add(void)
581 /* don't run again if already initialized */
582 if (atomic_add_return(1, &sony_pf_users) > 1)
585 ret = platform_driver_register(&sony_pf_driver);
589 sony_pf_device = platform_device_alloc("sony-laptop", -1);
590 if (!sony_pf_device) {
592 goto out_platform_registered;
595 ret = platform_device_add(sony_pf_device);
597 goto out_platform_alloced;
601 out_platform_alloced:
602 platform_device_put(sony_pf_device);
603 sony_pf_device = NULL;
604 out_platform_registered:
605 platform_driver_unregister(&sony_pf_driver);
607 atomic_dec(&sony_pf_users);
611 static void sony_pf_remove(void)
613 /* deregister only after the last user has gone */
614 if (!atomic_dec_and_test(&sony_pf_users))
617 platform_device_unregister(sony_pf_device);
618 platform_driver_unregister(&sony_pf_driver);
621 /*********** SNC (SNY5001) Device ***********/
623 /* the device uses 1-based values, while the backlight subsystem uses
625 #define SONY_MAX_BRIGHTNESS 8
627 #define SNC_VALIDATE_IN 0
628 #define SNC_VALIDATE_OUT 1
630 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
632 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
633 const char *, size_t);
634 static int boolean_validate(const int, const int);
635 static int brightness_default_validate(const int, const int);
637 struct sony_nc_value {
638 char *name; /* name of the entry */
639 char **acpiget; /* names of the ACPI get function */
640 char **acpiset; /* names of the ACPI set function */
641 int (*validate)(const int, const int); /* input/output validation */
642 int value; /* current setting */
643 int valid; /* Has ever been set */
644 int debug; /* active only in debug mode ? */
645 struct device_attribute devattr; /* sysfs attribute */
648 #define SNC_HANDLE_NAMES(_name, _values...) \
649 static char *snc_##_name[] = { _values, NULL }
651 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
653 .name = __stringify(_name), \
654 .acpiget = _getters, \
655 .acpiset = _setters, \
656 .validate = _validate, \
658 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
661 #define SNC_HANDLE_NULL { .name = NULL }
663 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
665 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
666 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
668 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
669 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
671 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
672 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
674 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
675 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
677 SNC_HANDLE_NAMES(lidstate_get, "GLID");
679 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
680 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
682 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
683 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
685 SNC_HANDLE_NAMES(PID_get, "GPID");
687 SNC_HANDLE_NAMES(CTR_get, "GCTR");
688 SNC_HANDLE_NAMES(CTR_set, "SCTR");
690 SNC_HANDLE_NAMES(PCR_get, "GPCR");
691 SNC_HANDLE_NAMES(PCR_set, "SPCR");
693 SNC_HANDLE_NAMES(CMI_get, "GCMI");
694 SNC_HANDLE_NAMES(CMI_set, "SCMI");
696 static struct sony_nc_value sony_nc_values[] = {
697 SNC_HANDLE(brightness_default, snc_brightness_def_get,
698 snc_brightness_def_set, brightness_default_validate, 0),
699 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
700 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
701 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
702 boolean_validate, 0),
703 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
704 boolean_validate, 1),
705 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
706 boolean_validate, 0),
707 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
708 boolean_validate, 0),
709 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
710 boolean_validate, 0),
711 /* unknown methods */
712 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
713 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
714 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
715 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
719 static acpi_handle sony_nc_acpi_handle;
720 static struct acpi_device *sony_nc_acpi_device = NULL;
723 * acpi_evaluate_object wrappers
724 * all useful calls into SNC methods take one or zero parameters and return
725 * integers or arrays.
727 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
730 union acpi_object *result = NULL;
731 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
735 struct acpi_object_list params;
736 union acpi_object in;
737 in.type = ACPI_TYPE_INTEGER;
738 in.integer.value = *value;
740 params.pointer = ∈
741 status = acpi_evaluate_object(handle, method, ¶ms, &output);
742 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
743 (unsigned int)(*value >> 32),
744 (unsigned int)*value & 0xffffffff);
746 status = acpi_evaluate_object(handle, method, NULL, &output);
747 dprintk("__call_snc_method: [%s]\n", method);
750 if (ACPI_FAILURE(status)) {
751 pr_err("Failed to evaluate [%s]\n", method);
755 result = (union acpi_object *) output.pointer;
757 dprintk("No return object [%s]\n", method);
762 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
765 union acpi_object *object = NULL;
768 object = __call_snc_method(handle, name, &v);
770 object = __call_snc_method(handle, name, NULL);
775 if (object->type != ACPI_TYPE_INTEGER) {
776 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
777 ACPI_TYPE_INTEGER, object->type);
783 *result = object->integer.value;
789 #define MIN(a, b) (a > b ? b : a)
790 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
791 void *buffer, size_t buflen)
795 union acpi_object *object = __call_snc_method(handle, name, value);
800 if (object->type == ACPI_TYPE_BUFFER) {
801 len = MIN(buflen, object->buffer.length);
802 memcpy(buffer, object->buffer.pointer, len);
804 } else if (object->type == ACPI_TYPE_INTEGER) {
805 len = MIN(buflen, sizeof(object->integer.value));
806 memcpy(buffer, &object->integer.value, len);
809 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
810 ACPI_TYPE_BUFFER, object->type);
818 struct sony_nc_handles {
820 struct device_attribute devattr;
823 static struct sony_nc_handles *handles;
825 static ssize_t sony_nc_handles_show(struct device *dev,
826 struct device_attribute *attr, char *buffer)
831 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
832 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
835 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
840 static int sony_nc_handles_setup(struct platform_device *pd)
842 int i, r, result, arg;
844 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
848 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
850 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
853 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
855 handles->cap[i] = result;
860 sysfs_attr_init(&handles->devattr.attr);
861 handles->devattr.attr.name = "handles";
862 handles->devattr.attr.mode = S_IRUGO;
863 handles->devattr.show = sony_nc_handles_show;
865 /* allow reading capabilities via sysfs */
866 if (device_create_file(&pd->dev, &handles->devattr)) {
876 static int sony_nc_handles_cleanup(struct platform_device *pd)
880 device_remove_file(&pd->dev, &handles->devattr);
887 static int sony_find_snc_handle(int handle)
891 /* not initialized yet, return early */
892 if (!handles || !handle)
895 for (i = 0; i < 0x10; i++) {
896 if (handles->cap[i] == handle) {
897 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
902 dprintk("handle 0x%.4x not found\n", handle);
906 static int sony_call_snc_handle(int handle, int argument, int *result)
909 int offset = sony_find_snc_handle(handle);
914 arg = offset | argument;
915 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
916 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
921 * sony_nc_values input/output validate functions
924 /* brightness_default_validate:
926 * manipulate input output values to keep consistency with the
927 * backlight framework for which brightness values are 0-based.
929 static int brightness_default_validate(const int direction, const int value)
932 case SNC_VALIDATE_OUT:
934 case SNC_VALIDATE_IN:
935 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
943 * on input validate boolean values 0/1, on output just pass the
946 static int boolean_validate(const int direction, const int value)
948 if (direction == SNC_VALIDATE_IN) {
949 if (value != 0 && value != 1)
956 * Sysfs show/store common to all sony_nc_values
958 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
962 struct sony_nc_value *item =
963 container_of(attr, struct sony_nc_value, devattr);
968 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
974 value = item->validate(SNC_VALIDATE_OUT, value);
976 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
979 static ssize_t sony_nc_sysfs_store(struct device *dev,
980 struct device_attribute *attr,
981 const char *buffer, size_t count)
985 struct sony_nc_value *item =
986 container_of(attr, struct sony_nc_value, devattr);
994 if (kstrtoint(buffer, 10, &value))
998 value = item->validate(SNC_VALIDATE_IN, value);
1003 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1008 item->value = value;
1017 struct sony_backlight_props {
1018 struct backlight_device *dev;
1024 struct sony_backlight_props sony_bl_props;
1026 static int sony_backlight_update_status(struct backlight_device *bd)
1028 int arg = bd->props.brightness + 1;
1029 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1032 static int sony_backlight_get_brightness(struct backlight_device *bd)
1036 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1038 /* brightness levels are 1-based, while backlight ones are 0-based */
1042 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1045 struct sony_backlight_props *sdev =
1046 (struct sony_backlight_props *)bl_get_data(bd);
1048 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1050 return (result & 0xff) - sdev->offset;
1053 static int sony_nc_update_status_ng(struct backlight_device *bd)
1056 struct sony_backlight_props *sdev =
1057 (struct sony_backlight_props *)bl_get_data(bd);
1059 value = bd->props.brightness + sdev->offset;
1060 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1067 static const struct backlight_ops sony_backlight_ops = {
1068 .options = BL_CORE_SUSPENDRESUME,
1069 .update_status = sony_backlight_update_status,
1070 .get_brightness = sony_backlight_get_brightness,
1072 static const struct backlight_ops sony_backlight_ng_ops = {
1073 .options = BL_CORE_SUSPENDRESUME,
1074 .update_status = sony_nc_update_status_ng,
1075 .get_brightness = sony_nc_get_brightness_ng,
1079 * New SNC-only Vaios event mapping to driver known keys
1081 struct sony_nc_event {
1086 static struct sony_nc_event sony_100_events[] = {
1087 { 0x90, SONYPI_EVENT_PKEY_P1 },
1088 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1089 { 0x91, SONYPI_EVENT_PKEY_P2 },
1090 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1091 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1092 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1093 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1094 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1095 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1096 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1097 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1098 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1099 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1100 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1101 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1102 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1103 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1104 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1106 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1108 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1110 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1111 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1112 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1113 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1114 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1115 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1116 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1117 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1118 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1119 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1120 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1121 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1122 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1123 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1124 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1125 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1126 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1130 static struct sony_nc_event sony_127_events[] = {
1131 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1132 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0x82, SONYPI_EVENT_PKEY_P1 },
1134 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0x83, SONYPI_EVENT_PKEY_P2 },
1136 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0x84, SONYPI_EVENT_PKEY_P3 },
1138 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 { 0x85, SONYPI_EVENT_PKEY_P4 },
1140 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 { 0x86, SONYPI_EVENT_PKEY_P5 },
1142 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1143 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1144 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1148 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1151 unsigned int result = 0;
1152 struct sony_nc_event *key_event;
1154 if (sony_call_snc_handle(handle, 0x200, &result)) {
1155 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1162 if (handle == 0x0100)
1163 key_event = sony_100_events;
1165 key_event = sony_127_events;
1167 for (; key_event->data; key_event++) {
1168 if (key_event->data == result) {
1169 ret = key_event->event;
1174 if (!key_event->data)
1175 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1176 event, result, handle);
1189 static void sony_nc_notify(struct acpi_device *device, u32 event)
1191 u32 real_ev = event;
1193 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1195 if (event >= 0x90) {
1196 unsigned int result = 0;
1197 unsigned int arg = 0;
1198 unsigned int handle = 0;
1199 unsigned int offset = event - 0x90;
1201 if (offset >= ARRAY_SIZE(handles->cap)) {
1202 pr_err("Event 0x%x outside of capabilities list\n",
1206 handle = handles->cap[offset];
1208 /* list of handles known for generating events */
1214 real_ev = sony_nc_hotkeys_decode(event, handle);
1217 sony_laptop_report_input_event(real_ev);
1219 /* restore the original event for reporting */
1227 /* events on this handle are reported when the
1228 * switch changes position or for battery
1229 * events. We'll notify both of them but only
1230 * update the rfkill device status when the
1233 ev_type = KILLSWITCH;
1234 sony_call_snc_handle(handle, 0x0100, &result);
1235 real_ev = result & 0x03;
1237 /* hw switch event */
1239 sony_nc_rfkill_update();
1245 /* Hybrid GFX switching */
1246 sony_call_snc_handle(handle, 0x0000, &result);
1247 dprintk("GFX switch event received (reason: %s)\n",
1248 (result == 0x1) ? "switch change" :
1249 (result == 0x2) ? "output switch" :
1250 (result == 0x3) ? "output switch" :
1253 ev_type = GFX_SWITCH;
1254 real_ev = __sony_nc_gfx_switch_status_get();
1258 /* Hybrid GFX switching SVS151290S */
1259 ev_type = GFX_SWITCH;
1260 real_ev = __sony_nc_gfx_switch_status_get();
1263 dprintk("Unknown event 0x%x for handle 0x%x\n",
1268 /* clear the event (and the event reason when present) */
1270 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1273 /* old style event */
1275 sony_laptop_report_input_event(real_ev);
1277 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1278 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1281 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1282 void *context, void **return_value)
1284 struct acpi_device_info *info;
1286 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1287 pr_warn("method: name: %4.4s, args %X\n",
1288 (char *)&info->name, info->param_count);
1299 static void sony_nc_function_setup(struct acpi_device *device,
1300 struct platform_device *pf_device)
1302 unsigned int i, result, bitmask, arg;
1307 /* setup found handles here */
1308 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1309 unsigned int handle = handles->cap[i];
1314 dprintk("setting up handle 0x%.4x\n", handle);
1321 sony_call_snc_handle(handle, 0, &result);
1325 sony_call_snc_handle(handle, 0x100, &result);
1329 /* touchpad enable/disable */
1330 result = sony_nc_touchpad_setup(pf_device, handle);
1332 pr_err("couldn't set up touchpad control function (%d)\n",
1338 result = sony_nc_battery_care_setup(pf_device, handle);
1340 pr_err("couldn't set up battery care function (%d)\n",
1344 result = sony_nc_lid_resume_setup(pf_device);
1346 pr_err("couldn't set up lid resume function (%d)\n",
1350 result = sony_nc_thermal_setup(pf_device);
1352 pr_err("couldn't set up thermal profile function (%d)\n",
1358 result = sony_nc_gfx_switch_setup(pf_device, handle);
1360 pr_err("couldn't set up GFX Switch status (%d)\n",
1364 result = sony_nc_highspeed_charging_setup(pf_device);
1366 pr_err("couldn't set up high speed charging function (%d)\n",
1371 result = sony_nc_rfkill_setup(device, handle);
1373 pr_err("couldn't set up rfkill support (%d)\n",
1381 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1383 pr_err("couldn't set up keyboard backlight function (%d)\n",
1391 /* Enable all events */
1393 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1394 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1398 static void sony_nc_function_cleanup(struct platform_device *pd)
1400 unsigned int i, result, bitmask, handle;
1402 /* get enabled events and disable them */
1403 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1404 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1406 /* cleanup handles here */
1407 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1409 handle = handles->cap[i];
1417 sony_nc_touchpad_cleanup(pd);
1422 sony_nc_battery_care_cleanup(pd);
1425 sony_nc_lid_resume_cleanup(pd);
1428 sony_nc_thermal_cleanup(pd);
1433 sony_nc_gfx_switch_cleanup(pd);
1436 sony_nc_highspeed_charging_cleanup(pd);
1440 sony_nc_rfkill_cleanup();
1447 sony_nc_kbd_backlight_cleanup(pd);
1454 /* finally cleanup the handles list */
1455 sony_nc_handles_cleanup(pd);
1458 #ifdef CONFIG_PM_SLEEP
1459 static void sony_nc_function_resume(void)
1461 unsigned int i, result, bitmask, arg;
1463 dprintk("Resuming SNC device\n");
1465 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1466 unsigned int handle = handles->cap[i];
1475 /* re-enable hotkeys */
1476 sony_call_snc_handle(handle, 0, &result);
1479 /* re-enable hotkeys */
1480 sony_call_snc_handle(handle, 0x100, &result);
1483 sony_nc_thermal_resume();
1487 sony_nc_rfkill_update();
1494 sony_nc_kbd_backlight_resume();
1501 /* Enable all events */
1503 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1504 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1508 static int sony_nc_resume(struct device *dev)
1510 struct sony_nc_value *item;
1513 for (item = sony_nc_values; item->name; item++) {
1518 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1519 &item->value, NULL);
1521 pr_err("%s: %d\n", __func__, ret);
1526 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1529 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1530 dprintk("ECON Method failed\n");
1533 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1535 sony_nc_function_resume();
1541 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1543 static void sony_nc_rfkill_cleanup(void)
1547 for (i = 0; i < N_SONY_RFKILL; i++) {
1548 if (sony_rfkill_devices[i]) {
1549 rfkill_unregister(sony_rfkill_devices[i]);
1550 rfkill_destroy(sony_rfkill_devices[i]);
1555 static int sony_nc_rfkill_set(void *data, bool blocked)
1558 int argument = sony_rfkill_address[(long) data] + 0x100;
1561 argument |= 0x070000;
1563 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1566 static const struct rfkill_ops sony_rfkill_ops = {
1567 .set_block = sony_nc_rfkill_set,
1570 static int sony_nc_setup_rfkill(struct acpi_device *device,
1571 enum sony_nc_rfkill nc_type)
1575 enum rfkill_type type;
1578 bool hwblock, swblock;
1582 type = RFKILL_TYPE_WLAN;
1585 case SONY_BLUETOOTH:
1586 type = RFKILL_TYPE_BLUETOOTH;
1587 name = "sony-bluetooth";
1590 type = RFKILL_TYPE_WWAN;
1594 type = RFKILL_TYPE_WIMAX;
1595 name = "sony-wimax";
1601 rfk = rfkill_alloc(name, &device->dev, type,
1602 &sony_rfkill_ops, (void *)nc_type);
1606 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1607 rfkill_destroy(rfk);
1610 hwblock = !(result & 0x1);
1612 if (sony_call_snc_handle(sony_rfkill_handle,
1613 sony_rfkill_address[nc_type],
1615 rfkill_destroy(rfk);
1618 swblock = !(result & 0x2);
1620 rfkill_init_sw_state(rfk, swblock);
1621 rfkill_set_hw_state(rfk, hwblock);
1623 err = rfkill_register(rfk);
1625 rfkill_destroy(rfk);
1628 sony_rfkill_devices[nc_type] = rfk;
1632 static void sony_nc_rfkill_update(void)
1634 enum sony_nc_rfkill i;
1638 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1639 hwblock = !(result & 0x1);
1641 for (i = 0; i < N_SONY_RFKILL; i++) {
1642 int argument = sony_rfkill_address[i];
1644 if (!sony_rfkill_devices[i])
1648 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1649 /* we already know we're blocked */
1654 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1655 rfkill_set_states(sony_rfkill_devices[i],
1656 !(result & 0x2), false);
1660 static int sony_nc_rfkill_setup(struct acpi_device *device,
1661 unsigned int handle)
1665 unsigned char buffer[32] = { 0 };
1667 offset = sony_find_snc_handle(handle);
1668 sony_rfkill_handle = handle;
1670 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1675 /* The buffer is filled with magic numbers describing the devices
1676 * available, 0xff terminates the enumeration.
1680 * 0x20 WWAN GPRS-EDGE
1684 * 0x25 Gobi WWAN no GPS
1685 * 0x26 Gobi WWAN + GPS
1686 * 0x28 Gobi WWAN no GPS
1687 * 0x29 Gobi WWAN + GPS
1689 * 0x50 Gobi WWAN no GPS
1690 * 0x51 Gobi WWAN + GPS
1691 * 0x70 no SIM card slot
1692 * 0x71 SIM card slot
1694 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1696 if (buffer[i] == 0xff)
1699 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1701 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1702 sony_nc_setup_rfkill(device, SONY_WIFI);
1704 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1705 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1707 if (((0xf0 & buffer[i]) == 0x20 ||
1708 (0xf0 & buffer[i]) == 0x50) &&
1709 !sony_rfkill_devices[SONY_WWAN])
1710 sony_nc_setup_rfkill(device, SONY_WWAN);
1712 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1713 sony_nc_setup_rfkill(device, SONY_WIMAX);
1718 /* Keyboard backlight feature */
1719 struct kbd_backlight {
1720 unsigned int handle;
1723 unsigned int timeout;
1724 struct device_attribute mode_attr;
1725 struct device_attribute timeout_attr;
1728 static struct kbd_backlight *kbdbl_ctl;
1730 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1737 if (sony_call_snc_handle(kbdbl_ctl->handle,
1738 (value << 0x10) | (kbdbl_ctl->base), &result))
1741 /* Try to turn the light on/off immediately */
1742 sony_call_snc_handle(kbdbl_ctl->handle,
1743 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1745 kbdbl_ctl->mode = value;
1750 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1751 struct device_attribute *attr,
1752 const char *buffer, size_t count)
1755 unsigned long value;
1760 if (kstrtoul(buffer, 10, &value))
1763 ret = __sony_nc_kbd_backlight_mode_set(value);
1770 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1771 struct device_attribute *attr, char *buffer)
1774 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1778 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1785 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1786 (kbdbl_ctl->base + 0x200), &result))
1789 kbdbl_ctl->timeout = value;
1794 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1795 struct device_attribute *attr,
1796 const char *buffer, size_t count)
1799 unsigned long value;
1804 if (kstrtoul(buffer, 10, &value))
1807 ret = __sony_nc_kbd_backlight_timeout_set(value);
1814 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1815 struct device_attribute *attr, char *buffer)
1818 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1822 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1823 unsigned int handle)
1828 /* verify the kbd backlight presence, these handles are not used for
1829 * keyboard backlight only
1831 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1836 if ((handle == 0x0137 && !(result & 0x02)) ||
1838 dprintk("no backlight keyboard found\n");
1842 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1846 kbdbl_ctl->mode = kbd_backlight;
1847 kbdbl_ctl->timeout = kbd_backlight_timeout;
1848 kbdbl_ctl->handle = handle;
1849 if (handle == 0x0137)
1850 kbdbl_ctl->base = 0x0C00;
1852 kbdbl_ctl->base = 0x4000;
1854 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1855 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1856 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1857 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1858 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1860 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1861 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1862 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1863 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1864 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1866 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1870 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1874 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1875 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1880 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1887 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1890 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1891 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1897 #ifdef CONFIG_PM_SLEEP
1898 static void sony_nc_kbd_backlight_resume(void)
1905 if (kbdbl_ctl->mode == 0)
1906 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1909 if (kbdbl_ctl->timeout != 0)
1910 sony_call_snc_handle(kbdbl_ctl->handle,
1911 (kbdbl_ctl->base + 0x200) |
1912 (kbdbl_ctl->timeout << 0x10), &ignore);
1916 struct battery_care_control {
1917 struct device_attribute attrs[2];
1918 unsigned int handle;
1920 static struct battery_care_control *bcare_ctl;
1922 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1923 struct device_attribute *attr,
1924 const char *buffer, size_t count)
1926 unsigned int result, cmd;
1927 unsigned long value;
1932 if (kstrtoul(buffer, 10, &value))
1935 /* limit values (2 bits):
1941 * bit 0: 0 disable BCL, 1 enable BCL
1942 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1943 * bits 2,3: reserved
1944 * bits 4,5: store the limit into the EC
1945 * bits 6,7: store the limit into the battery
1953 else if (value <= 80)
1956 else if (value <= 100)
1963 * handle 0x0115 should allow storing on battery too;
1964 * handle 0x0136 same as 0x0115 + health status;
1965 * handle 0x013f, same as 0x0136 but no storing on the battery
1967 if (bcare_ctl->handle != 0x013f)
1968 cmd = cmd | (cmd << 2);
1970 cmd = (cmd | 0x1) << 0x10;
1973 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1979 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1980 struct device_attribute *attr, char *buffer)
1982 unsigned int result, status;
1984 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1987 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2003 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2006 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2007 struct device_attribute *attr, char *buffer)
2010 unsigned int health;
2012 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2015 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2020 static int sony_nc_battery_care_setup(struct platform_device *pd,
2021 unsigned int handle)
2025 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2029 bcare_ctl->handle = handle;
2031 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2032 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2033 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2034 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2035 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2037 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2041 /* 0x0115 is for models with no health reporting capability */
2042 if (handle == 0x0115)
2045 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2046 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2047 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2048 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2050 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2057 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2066 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2069 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2070 if (bcare_ctl->handle != 0x0115)
2071 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2078 struct snc_thermal_ctrl {
2080 unsigned int profiles;
2081 struct device_attribute mode_attr;
2082 struct device_attribute profiles_attr;
2084 static struct snc_thermal_ctrl *th_handle;
2086 #define THM_PROFILE_MAX 3
2087 static const char * const snc_thermal_profiles[] = {
2093 static int sony_nc_thermal_mode_set(unsigned short mode)
2095 unsigned int result;
2097 /* the thermal profile seems to be a two bit bitmask:
2099 * msb -> performance
2100 * no bit set is the normal operation and is always valid
2101 * Some vaio models only have "balanced" and "performance"
2103 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2106 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2109 th_handle->mode = mode;
2114 static int sony_nc_thermal_mode_get(void)
2116 unsigned int result;
2118 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2121 return result & 0xff;
2124 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2125 struct device_attribute *attr, char *buffer)
2130 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2131 if (!cnt || (th_handle->profiles & cnt))
2132 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2133 snc_thermal_profiles[cnt]);
2135 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2140 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2141 struct device_attribute *attr,
2142 const char *buffer, size_t count)
2150 /* skip the newline if present */
2151 if (buffer[len - 1] == '\n')
2154 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2155 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2158 if (sony_nc_thermal_mode_set(cmd))
2164 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2165 struct device_attribute *attr, char *buffer)
2168 int mode = sony_nc_thermal_mode_get();
2173 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2178 static int sony_nc_thermal_setup(struct platform_device *pd)
2181 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2185 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2187 pr_warn("couldn't to read the thermal profiles\n");
2191 ret = sony_nc_thermal_mode_get();
2193 pr_warn("couldn't to read the current thermal profile");
2196 th_handle->mode = ret;
2198 sysfs_attr_init(&th_handle->profiles_attr.attr);
2199 th_handle->profiles_attr.attr.name = "thermal_profiles";
2200 th_handle->profiles_attr.attr.mode = S_IRUGO;
2201 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2203 sysfs_attr_init(&th_handle->mode_attr.attr);
2204 th_handle->mode_attr.attr.name = "thermal_control";
2205 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2206 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2207 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2209 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2213 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2220 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2227 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2230 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2231 device_remove_file(&pd->dev, &th_handle->mode_attr);
2237 #ifdef CONFIG_PM_SLEEP
2238 static void sony_nc_thermal_resume(void)
2240 unsigned int status = sony_nc_thermal_mode_get();
2242 if (status != th_handle->mode)
2243 sony_nc_thermal_mode_set(th_handle->mode);
2247 /* resume on LID open */
2248 struct snc_lid_resume_control {
2249 struct device_attribute attrs[3];
2250 unsigned int status;
2252 static struct snc_lid_resume_control *lid_ctl;
2254 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2255 struct device_attribute *attr,
2256 const char *buffer, size_t count)
2258 unsigned int result, pos;
2259 unsigned long value;
2263 if (kstrtoul(buffer, 10, &value) || value > 1)
2266 /* the value we have to write to SNC is a bitmask:
2272 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2274 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2276 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2282 value = lid_ctl->status | (1 << pos);
2284 value = lid_ctl->status & ~(1 << pos);
2286 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2289 lid_ctl->status = value;
2294 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2295 struct device_attribute *attr, char *buffer)
2299 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2301 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2303 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2308 return snprintf(buffer, PAGE_SIZE, "%d\n",
2309 (lid_ctl->status >> pos) & 0x01);
2312 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2314 unsigned int result;
2317 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2320 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2324 lid_ctl->status = result & 0x7;
2326 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2327 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2328 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2329 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2330 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2332 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2333 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2334 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2335 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2336 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2338 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2339 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2340 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2341 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2342 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2344 for (i = 0; i < 3; i++) {
2345 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2353 for (i--; i >= 0; i--)
2354 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2362 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2367 for (i = 0; i < 3; i++)
2368 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2375 /* GFX Switch position */
2381 struct snc_gfx_switch_control {
2382 struct device_attribute attr;
2383 unsigned int handle;
2385 static struct snc_gfx_switch_control *gfxs_ctl;
2387 /* returns 0 for speed, 1 for stamina */
2388 static int __sony_nc_gfx_switch_status_get(void)
2390 unsigned int result;
2392 if (sony_call_snc_handle(gfxs_ctl->handle,
2393 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2397 switch (gfxs_ctl->handle) {
2399 /* 1: discrete GFX (speed)
2400 * 0: integrated GFX (stamina)
2402 return result & 0x1 ? SPEED : STAMINA;
2405 /* 0: discrete GFX (speed)
2406 * 1: integrated GFX (stamina)
2408 return result & 0x1 ? STAMINA : SPEED;
2411 /* it's a more elaborated bitmask, for now:
2412 * 2: integrated GFX (stamina)
2413 * 0: discrete GFX (speed)
2415 dprintk("GFX Status: 0x%x\n", result);
2416 return result & 0x80 ? AUTO :
2417 result & 0x02 ? STAMINA : SPEED;
2423 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2424 struct device_attribute *attr,
2427 int pos = __sony_nc_gfx_switch_status_get();
2432 return snprintf(buffer, PAGE_SIZE, "%s\n",
2433 pos == SPEED ? "speed" :
2434 pos == STAMINA ? "stamina" :
2435 pos == AUTO ? "auto" : "unknown");
2438 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2439 unsigned int handle)
2441 unsigned int result;
2443 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2447 gfxs_ctl->handle = handle;
2449 sysfs_attr_init(&gfxs_ctl->attr.attr);
2450 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2451 gfxs_ctl->attr.attr.mode = S_IRUGO;
2452 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2454 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2467 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2470 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2477 /* High speed charging function */
2478 static struct device_attribute *hsc_handle;
2480 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2481 struct device_attribute *attr,
2482 const char *buffer, size_t count)
2484 unsigned int result;
2485 unsigned long value;
2490 if (kstrtoul(buffer, 10, &value) || value > 1)
2493 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2499 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2500 struct device_attribute *attr, char *buffer)
2502 unsigned int result;
2504 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2507 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2510 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2512 unsigned int result;
2514 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2515 /* some models advertise the handle but have no implementation
2518 pr_info("No High Speed Charging capability found\n");
2522 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2526 sysfs_attr_init(&hsc_handle->attr);
2527 hsc_handle->attr.name = "battery_highspeed_charging";
2528 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2529 hsc_handle->show = sony_nc_highspeed_charging_show;
2530 hsc_handle->store = sony_nc_highspeed_charging_store;
2532 result = device_create_file(&pd->dev, hsc_handle);
2542 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2545 device_remove_file(&pd->dev, hsc_handle);
2551 /* Touchpad enable/disable */
2552 struct touchpad_control {
2553 struct device_attribute attr;
2556 static struct touchpad_control *tp_ctl;
2558 static ssize_t sony_nc_touchpad_store(struct device *dev,
2559 struct device_attribute *attr, const char *buffer, size_t count)
2561 unsigned int result;
2562 unsigned long value;
2567 if (kstrtoul(buffer, 10, &value) || value > 1)
2570 /* sysfs: 0 disabled, 1 enabled
2571 * EC: 0 enabled, 1 disabled
2573 if (sony_call_snc_handle(tp_ctl->handle,
2574 (!value << 0x10) | 0x100, &result))
2580 static ssize_t sony_nc_touchpad_show(struct device *dev,
2581 struct device_attribute *attr, char *buffer)
2583 unsigned int result;
2585 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2588 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2591 static int sony_nc_touchpad_setup(struct platform_device *pd,
2592 unsigned int handle)
2596 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2600 tp_ctl->handle = handle;
2602 sysfs_attr_init(&tp_ctl->attr.attr);
2603 tp_ctl->attr.attr.name = "touchpad";
2604 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2605 tp_ctl->attr.show = sony_nc_touchpad_show;
2606 tp_ctl->attr.store = sony_nc_touchpad_store;
2608 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2617 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2620 device_remove_file(&pd->dev, &tp_ctl->attr);
2626 static void sony_nc_backlight_ng_read_limits(int handle,
2627 struct sony_backlight_props *props)
2631 int lvl_table_len = 0;
2632 u8 min = 0xff, max = 0x00;
2633 unsigned char buffer[32] = { 0 };
2635 props->handle = handle;
2637 props->maxlvl = 0xff;
2639 offset = sony_find_snc_handle(handle);
2641 /* try to read the boundaries from ACPI tables, if we fail the above
2642 * defaults should be reasonable
2644 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2661 /* the buffer lists brightness levels available, brightness levels are
2662 * from position 0 to 8 in the array, other values are used by ALS
2665 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2667 dprintk("Brightness level: %d\n", buffer[i]);
2672 if (buffer[i] > max)
2674 if (buffer[i] < min)
2677 props->offset = min;
2678 props->maxlvl = max;
2679 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2683 static void sony_nc_backlight_setup(void)
2686 int max_brightness = 0;
2687 const struct backlight_ops *ops = NULL;
2688 struct backlight_properties props;
2690 if (sony_find_snc_handle(0x12f) >= 0) {
2691 ops = &sony_backlight_ng_ops;
2692 sony_bl_props.cmd_base = 0x0100;
2693 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2694 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2696 } else if (sony_find_snc_handle(0x137) >= 0) {
2697 ops = &sony_backlight_ng_ops;
2698 sony_bl_props.cmd_base = 0x0100;
2699 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2700 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2702 } else if (sony_find_snc_handle(0x143) >= 0) {
2703 ops = &sony_backlight_ng_ops;
2704 sony_bl_props.cmd_base = 0x3000;
2705 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2706 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2708 } else if (sony_find_snc_handle(0x14b) >= 0) {
2709 ops = &sony_backlight_ng_ops;
2710 sony_bl_props.cmd_base = 0x3000;
2711 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2712 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2714 } else if (sony_find_snc_handle(0x14c) >= 0) {
2715 ops = &sony_backlight_ng_ops;
2716 sony_bl_props.cmd_base = 0x3000;
2717 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2718 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2720 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
2722 ops = &sony_backlight_ops;
2723 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2728 memset(&props, 0, sizeof(struct backlight_properties));
2729 props.type = BACKLIGHT_PLATFORM;
2730 props.max_brightness = max_brightness;
2731 sony_bl_props.dev = backlight_device_register("sony", NULL,
2735 if (IS_ERR(sony_bl_props.dev)) {
2736 pr_warn("unable to register backlight device\n");
2737 sony_bl_props.dev = NULL;
2739 sony_bl_props.dev->props.brightness =
2740 ops->get_brightness(sony_bl_props.dev);
2743 static void sony_nc_backlight_cleanup(void)
2745 if (sony_bl_props.dev)
2746 backlight_device_unregister(sony_bl_props.dev);
2749 static int sony_nc_add(struct acpi_device *device)
2754 struct sony_nc_value *item;
2756 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2758 sony_nc_acpi_device = device;
2759 strcpy(acpi_device_class(device), "sony/hotkey");
2761 sony_nc_acpi_handle = device->handle;
2763 /* read device status */
2764 result = acpi_bus_get_status(device);
2765 /* bail IFF the above call was successful and the device is not present */
2766 if (!result && !device->status.present) {
2767 dprintk("Device not present\n");
2772 result = sony_pf_add();
2777 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2778 sony_nc_acpi_handle, 1, sony_walk_callback,
2780 if (ACPI_FAILURE(status)) {
2781 pr_warn("unable to walk acpi resources\n");
2787 result = sony_laptop_setup_input(device);
2789 pr_err("Unable to create input devices\n");
2793 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
2796 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2797 dprintk("ECON Method failed\n");
2800 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
2802 dprintk("Doing SNC setup\n");
2803 /* retrieve the available handles */
2804 result = sony_nc_handles_setup(sony_pf_device);
2806 sony_nc_function_setup(device, sony_pf_device);
2809 /* setup input devices and helper fifo */
2810 if (acpi_video_backlight_support()) {
2811 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2813 sony_nc_backlight_setup();
2816 /* create sony_pf sysfs attributes related to the SNC device */
2817 for (item = sony_nc_values; item->name; ++item) {
2819 if (!debug && item->debug)
2822 /* find the available acpiget as described in the DSDT */
2823 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2824 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2827 dprintk("Found %s getter: %s\n",
2828 item->name, *item->acpiget);
2829 item->devattr.attr.mode |= S_IRUGO;
2834 /* find the available acpiset as described in the DSDT */
2835 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2836 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2839 dprintk("Found %s setter: %s\n",
2840 item->name, *item->acpiset);
2841 item->devattr.attr.mode |= S_IWUSR;
2846 if (item->devattr.attr.mode != 0) {
2848 device_create_file(&sony_pf_device->dev,
2858 for (item = sony_nc_values; item->name; ++item) {
2859 device_remove_file(&sony_pf_device->dev, &item->devattr);
2861 sony_nc_backlight_cleanup();
2862 sony_nc_function_cleanup(sony_pf_device);
2863 sony_nc_handles_cleanup(sony_pf_device);
2866 sony_laptop_remove_input();
2872 sony_nc_rfkill_cleanup();
2876 static int sony_nc_remove(struct acpi_device *device)
2878 struct sony_nc_value *item;
2880 sony_nc_backlight_cleanup();
2882 sony_nc_acpi_device = NULL;
2884 for (item = sony_nc_values; item->name; ++item) {
2885 device_remove_file(&sony_pf_device->dev, &item->devattr);
2888 sony_nc_function_cleanup(sony_pf_device);
2889 sony_nc_handles_cleanup(sony_pf_device);
2891 sony_laptop_remove_input();
2892 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2897 static const struct acpi_device_id sony_device_ids[] = {
2902 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2904 static const struct acpi_device_id sony_nc_device_ids[] = {
2909 static struct acpi_driver sony_nc_driver = {
2910 .name = SONY_NC_DRIVER_NAME,
2911 .class = SONY_NC_CLASS,
2912 .ids = sony_nc_device_ids,
2913 .owner = THIS_MODULE,
2916 .remove = sony_nc_remove,
2917 .notify = sony_nc_notify,
2919 .drv.pm = &sony_nc_pm,
2922 /*********** SPIC (SNY6001) Device ***********/
2924 #define SONYPI_DEVICE_TYPE1 0x00000001
2925 #define SONYPI_DEVICE_TYPE2 0x00000002
2926 #define SONYPI_DEVICE_TYPE3 0x00000004
2928 #define SONYPI_TYPE1_OFFSET 0x04
2929 #define SONYPI_TYPE2_OFFSET 0x12
2930 #define SONYPI_TYPE3_OFFSET 0x12
2932 struct sony_pic_ioport {
2933 struct acpi_resource_io io1;
2934 struct acpi_resource_io io2;
2935 struct list_head list;
2938 struct sony_pic_irq {
2939 struct acpi_resource_irq irq;
2940 struct list_head list;
2943 struct sonypi_eventtypes {
2946 struct sonypi_event *events;
2949 struct sony_pic_dev {
2950 struct acpi_device *acpi_dev;
2951 struct sony_pic_irq *cur_irq;
2952 struct sony_pic_ioport *cur_ioport;
2953 struct list_head interrupts;
2954 struct list_head ioports;
2956 struct sonypi_eventtypes *event_types;
2957 int (*handle_irq)(const u8, const u8);
2965 static struct sony_pic_dev spic_dev = {
2966 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2967 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2970 static int spic_drv_registered;
2973 #define SONYPI_JOGGER_MASK 0x00000001
2974 #define SONYPI_CAPTURE_MASK 0x00000002
2975 #define SONYPI_FNKEY_MASK 0x00000004
2976 #define SONYPI_BLUETOOTH_MASK 0x00000008
2977 #define SONYPI_PKEY_MASK 0x00000010
2978 #define SONYPI_BACK_MASK 0x00000020
2979 #define SONYPI_HELP_MASK 0x00000040
2980 #define SONYPI_LID_MASK 0x00000080
2981 #define SONYPI_ZOOM_MASK 0x00000100
2982 #define SONYPI_THUMBPHRASE_MASK 0x00000200
2983 #define SONYPI_MEYE_MASK 0x00000400
2984 #define SONYPI_MEMORYSTICK_MASK 0x00000800
2985 #define SONYPI_BATTERY_MASK 0x00001000
2986 #define SONYPI_WIRELESS_MASK 0x00002000
2988 struct sonypi_event {
2993 /* The set of possible button release events */
2994 static struct sonypi_event sonypi_releaseev[] = {
2995 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2999 /* The set of possible jogger events */
3000 static struct sonypi_event sonypi_joggerev[] = {
3001 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3002 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3003 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3004 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3005 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3006 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3007 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3008 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3009 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3010 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3011 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3012 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3013 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3017 /* The set of possible capture button events */
3018 static struct sonypi_event sonypi_captureev[] = {
3019 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3020 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3021 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3022 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3026 /* The set of possible fnkeys events */
3027 static struct sonypi_event sonypi_fnkeyev[] = {
3028 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3029 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3030 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3031 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3032 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3033 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3034 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3035 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3036 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3037 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3038 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3039 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3040 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3041 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3042 { 0x21, SONYPI_EVENT_FNKEY_1 },
3043 { 0x22, SONYPI_EVENT_FNKEY_2 },
3044 { 0x31, SONYPI_EVENT_FNKEY_D },
3045 { 0x32, SONYPI_EVENT_FNKEY_E },
3046 { 0x33, SONYPI_EVENT_FNKEY_F },
3047 { 0x34, SONYPI_EVENT_FNKEY_S },
3048 { 0x35, SONYPI_EVENT_FNKEY_B },
3049 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3053 /* The set of possible program key events */
3054 static struct sonypi_event sonypi_pkeyev[] = {
3055 { 0x01, SONYPI_EVENT_PKEY_P1 },
3056 { 0x02, SONYPI_EVENT_PKEY_P2 },
3057 { 0x04, SONYPI_EVENT_PKEY_P3 },
3058 { 0x20, SONYPI_EVENT_PKEY_P1 },
3062 /* The set of possible bluetooth events */
3063 static struct sonypi_event sonypi_blueev[] = {
3064 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3065 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3066 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3070 /* The set of possible wireless events */
3071 static struct sonypi_event sonypi_wlessev[] = {
3072 { 0x59, SONYPI_EVENT_IGNORE },
3073 { 0x5a, SONYPI_EVENT_IGNORE },
3077 /* The set of possible back button events */
3078 static struct sonypi_event sonypi_backev[] = {
3079 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3083 /* The set of possible help button events */
3084 static struct sonypi_event sonypi_helpev[] = {
3085 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3090 /* The set of possible lid events */
3091 static struct sonypi_event sonypi_lidev[] = {
3092 { 0x51, SONYPI_EVENT_LID_CLOSED },
3093 { 0x50, SONYPI_EVENT_LID_OPENED },
3097 /* The set of possible zoom events */
3098 static struct sonypi_event sonypi_zoomev[] = {
3099 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3100 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3101 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3102 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3106 /* The set of possible thumbphrase events */
3107 static struct sonypi_event sonypi_thumbphraseev[] = {
3108 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3112 /* The set of possible motioneye camera events */
3113 static struct sonypi_event sonypi_meyeev[] = {
3114 { 0x00, SONYPI_EVENT_MEYE_FACE },
3115 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3119 /* The set of possible memorystick events */
3120 static struct sonypi_event sonypi_memorystickev[] = {
3121 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3122 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3126 /* The set of possible battery events */
3127 static struct sonypi_event sonypi_batteryev[] = {
3128 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3129 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3133 /* The set of possible volume events */
3134 static struct sonypi_event sonypi_volumeev[] = {
3135 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3136 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3140 /* The set of possible brightness events */
3141 static struct sonypi_event sonypi_brightnessev[] = {
3142 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3146 static struct sonypi_eventtypes type1_events[] = {
3147 { 0, 0xffffffff, sonypi_releaseev },
3148 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3149 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3150 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3151 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3152 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3153 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3154 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3155 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3156 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3159 static struct sonypi_eventtypes type2_events[] = {
3160 { 0, 0xffffffff, sonypi_releaseev },
3161 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3162 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3163 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3164 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3165 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3166 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3167 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3168 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3169 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3170 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3171 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3172 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3173 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3176 static struct sonypi_eventtypes type3_events[] = {
3177 { 0, 0xffffffff, sonypi_releaseev },
3178 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3179 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3180 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3181 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3182 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3183 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3184 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3185 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3186 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3187 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3191 /* low level spic calls */
3192 #define ITERATIONS_LONG 10000
3193 #define ITERATIONS_SHORT 10
3194 #define wait_on_command(command, iterations) { \
3195 unsigned int n = iterations; \
3196 while (--n && (command)) \
3199 dprintk("command failed at %s : %s (line %d)\n", \
3200 __FILE__, __func__, __LINE__); \
3203 static u8 sony_pic_call1(u8 dev)
3207 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3209 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3210 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3211 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3212 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3216 static u8 sony_pic_call2(u8 dev, u8 fn)
3220 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3222 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3223 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3225 outb(fn, spic_dev.cur_ioport->io1.minimum);
3226 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3227 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3231 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3235 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3236 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3237 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3238 outb(fn, spic_dev.cur_ioport->io1.minimum);
3239 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3240 outb(v, spic_dev.cur_ioport->io1.minimum);
3241 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3242 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3248 * minidrivers for SPIC models
3250 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3253 * 0x31 could mean we have to take some extra action and wait for
3254 * the next irq for some Type3 models, it will generate a new
3255 * irq and we can read new data from the device:
3256 * - 0x5c and 0x5f requires 0xA0
3257 * - 0x61 requires 0xB3
3259 if (data_mask == 0x31) {
3260 if (ev == 0x5c || ev == 0x5f)
3261 sony_pic_call1(0xA0);
3262 else if (ev == 0x61)
3263 sony_pic_call1(0xB3);
3269 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3271 struct pci_dev *pcidev;
3273 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3274 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3276 dev->model = SONYPI_DEVICE_TYPE1;
3277 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3278 dev->event_types = type1_events;
3282 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3283 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3285 dev->model = SONYPI_DEVICE_TYPE2;
3286 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3287 dev->event_types = type2_events;
3291 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3292 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3294 dev->model = SONYPI_DEVICE_TYPE3;
3295 dev->handle_irq = type3_handle_irq;
3296 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3297 dev->event_types = type3_events;
3301 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3302 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3304 dev->model = SONYPI_DEVICE_TYPE3;
3305 dev->handle_irq = type3_handle_irq;
3306 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3307 dev->event_types = type3_events;
3311 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3312 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3314 dev->model = SONYPI_DEVICE_TYPE3;
3315 dev->handle_irq = type3_handle_irq;
3316 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3317 dev->event_types = type3_events;
3322 dev->model = SONYPI_DEVICE_TYPE2;
3323 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3324 dev->event_types = type2_events;
3328 pci_dev_put(pcidev);
3330 pr_info("detected Type%d model\n",
3331 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3332 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3335 /* camera tests and poweron/poweroff */
3336 #define SONYPI_CAMERA_PICTURE 5
3337 #define SONYPI_CAMERA_CONTROL 0x10
3339 #define SONYPI_CAMERA_BRIGHTNESS 0
3340 #define SONYPI_CAMERA_CONTRAST 1
3341 #define SONYPI_CAMERA_HUE 2
3342 #define SONYPI_CAMERA_COLOR 3
3343 #define SONYPI_CAMERA_SHARPNESS 4
3345 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3346 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3347 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3348 #define SONYPI_CAMERA_MUTE_MASK 0x40
3350 /* the rest don't need a loop until not 0xff */
3351 #define SONYPI_CAMERA_AGC 6
3352 #define SONYPI_CAMERA_AGC_MASK 0x30
3353 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3355 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3356 #define SONYPI_CAMERA_CONTROL 0x10
3358 #define SONYPI_CAMERA_STATUS 7
3359 #define SONYPI_CAMERA_STATUS_READY 0x2
3360 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3362 #define SONYPI_DIRECTION_BACKWARDS 0x4
3364 #define SONYPI_CAMERA_REVISION 8
3365 #define SONYPI_CAMERA_ROMVERSION 9
3367 static int __sony_pic_camera_ready(void)
3371 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3372 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3375 static int __sony_pic_camera_off(void)
3378 pr_warn("camera control not enabled\n");
3382 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3383 SONYPI_CAMERA_MUTE_MASK),
3386 if (spic_dev.camera_power) {
3387 sony_pic_call2(0x91, 0);
3388 spic_dev.camera_power = 0;
3393 static int __sony_pic_camera_on(void)
3398 pr_warn("camera control not enabled\n");
3402 if (spic_dev.camera_power)
3405 for (j = 5; j > 0; j--) {
3407 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3409 sony_pic_call1(0x93);
3411 for (i = 400; i > 0; i--) {
3412 if (__sony_pic_camera_ready())
3421 pr_warn("failed to power on camera\n");
3425 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3429 spic_dev.camera_power = 1;
3433 /* External camera command (exported to the motion eye v4l driver) */
3434 int sony_pic_camera_command(int command, u8 value)
3439 mutex_lock(&spic_dev.lock);
3442 case SONY_PIC_COMMAND_SETCAMERA:
3444 __sony_pic_camera_on();
3446 __sony_pic_camera_off();
3448 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3449 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3452 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3453 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3456 case SONY_PIC_COMMAND_SETCAMERAHUE:
3457 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3460 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3461 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3464 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3465 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3468 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3469 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3472 case SONY_PIC_COMMAND_SETCAMERAAGC:
3473 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3477 pr_err("sony_pic_camera_command invalid: %d\n", command);
3480 mutex_unlock(&spic_dev.lock);
3483 EXPORT_SYMBOL(sony_pic_camera_command);
3485 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3486 static void __sony_pic_set_wwanpower(u8 state)
3489 if (spic_dev.wwan_power == state)
3491 sony_pic_call2(0xB0, state);
3492 sony_pic_call1(0x82);
3493 spic_dev.wwan_power = state;
3496 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3497 struct device_attribute *attr,
3498 const char *buffer, size_t count)
3500 unsigned long value;
3504 if (kstrtoul(buffer, 10, &value))
3507 mutex_lock(&spic_dev.lock);
3508 __sony_pic_set_wwanpower(value);
3509 mutex_unlock(&spic_dev.lock);
3514 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3515 struct device_attribute *attr, char *buffer)
3518 mutex_lock(&spic_dev.lock);
3519 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3520 mutex_unlock(&spic_dev.lock);
3524 /* bluetooth subsystem power state */
3525 static void __sony_pic_set_bluetoothpower(u8 state)
3528 if (spic_dev.bluetooth_power == state)
3530 sony_pic_call2(0x96, state);
3531 sony_pic_call1(0x82);
3532 spic_dev.bluetooth_power = state;
3535 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3536 struct device_attribute *attr,
3537 const char *buffer, size_t count)
3539 unsigned long value;
3543 if (kstrtoul(buffer, 10, &value))
3546 mutex_lock(&spic_dev.lock);
3547 __sony_pic_set_bluetoothpower(value);
3548 mutex_unlock(&spic_dev.lock);
3553 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3554 struct device_attribute *attr, char *buffer)
3557 mutex_lock(&spic_dev.lock);
3558 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3559 mutex_unlock(&spic_dev.lock);
3564 /* FAN0 information (reverse engineered from ACPI tables) */
3565 #define SONY_PIC_FAN0_STATUS 0x93
3566 static int sony_pic_set_fanspeed(unsigned long value)
3568 return ec_write(SONY_PIC_FAN0_STATUS, value);
3571 static int sony_pic_get_fanspeed(u8 *value)
3573 return ec_read(SONY_PIC_FAN0_STATUS, value);
3576 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3577 struct device_attribute *attr,
3578 const char *buffer, size_t count)
3580 unsigned long value;
3584 if (kstrtoul(buffer, 10, &value))
3587 if (sony_pic_set_fanspeed(value))
3593 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3594 struct device_attribute *attr, char *buffer)
3597 if (sony_pic_get_fanspeed(&value))
3600 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3603 #define SPIC_ATTR(_name, _mode) \
3604 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3605 _mode, sony_pic_## _name ##_show, \
3606 sony_pic_## _name ##_store)
3608 static SPIC_ATTR(bluetoothpower, 0644);
3609 static SPIC_ATTR(wwanpower, 0644);
3610 static SPIC_ATTR(fanspeed, 0644);
3612 static struct attribute *spic_attributes[] = {
3613 &spic_attr_bluetoothpower.attr,
3614 &spic_attr_wwanpower.attr,
3615 &spic_attr_fanspeed.attr,
3619 static struct attribute_group spic_attribute_group = {
3620 .attrs = spic_attributes
3623 /******** SONYPI compatibility **********/
3624 #ifdef CONFIG_SONYPI_COMPAT
3626 /* battery / brightness / temperature addresses */
3627 #define SONYPI_BAT_FLAGS 0x81
3628 #define SONYPI_LCD_LIGHT 0x96
3629 #define SONYPI_BAT1_PCTRM 0xa0
3630 #define SONYPI_BAT1_LEFT 0xa2
3631 #define SONYPI_BAT1_MAXRT 0xa4
3632 #define SONYPI_BAT2_PCTRM 0xa8
3633 #define SONYPI_BAT2_LEFT 0xaa
3634 #define SONYPI_BAT2_MAXRT 0xac
3635 #define SONYPI_BAT1_MAXTK 0xb0
3636 #define SONYPI_BAT1_FULL 0xb2
3637 #define SONYPI_BAT2_MAXTK 0xb8
3638 #define SONYPI_BAT2_FULL 0xba
3639 #define SONYPI_TEMP_STATUS 0xC1
3641 struct sonypi_compat_s {
3642 struct fasync_struct *fifo_async;
3644 spinlock_t fifo_lock;
3645 wait_queue_head_t fifo_proc_list;
3646 atomic_t open_count;
3648 static struct sonypi_compat_s sonypi_compat = {
3649 .open_count = ATOMIC_INIT(0),
3652 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3654 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3657 static int sonypi_misc_release(struct inode *inode, struct file *file)
3659 atomic_dec(&sonypi_compat.open_count);
3663 static int sonypi_misc_open(struct inode *inode, struct file *file)
3665 /* Flush input queue on first open */
3666 unsigned long flags;
3668 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3670 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3671 kfifo_reset(&sonypi_compat.fifo);
3673 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3678 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3679 size_t count, loff_t *pos)
3684 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3685 (file->f_flags & O_NONBLOCK))
3688 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3689 kfifo_len(&sonypi_compat.fifo) != 0);
3693 while (ret < count &&
3694 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3695 &sonypi_compat.fifo_lock) == sizeof(c))) {
3696 if (put_user(c, buf++))
3702 struct inode *inode = file_inode(file);
3703 inode->i_atime = current_fs_time(inode->i_sb);
3709 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3711 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3712 if (kfifo_len(&sonypi_compat.fifo))
3713 return POLLIN | POLLRDNORM;
3717 static int ec_read16(u8 addr, u16 *value)
3720 if (ec_read(addr, &val_lb))
3722 if (ec_read(addr + 1, &val_hb))
3724 *value = val_lb | (val_hb << 8);
3728 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3732 void __user *argp = (void __user *)arg;
3737 mutex_lock(&spic_dev.lock);
3739 case SONYPI_IOCGBRT:
3740 if (sony_bl_props.dev == NULL) {
3744 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3749 val8 = ((value & 0xff) - 1) << 5;
3750 if (copy_to_user(argp, &val8, sizeof(val8)))
3753 case SONYPI_IOCSBRT:
3754 if (sony_bl_props.dev == NULL) {
3758 if (copy_from_user(&val8, argp, sizeof(val8))) {
3762 value = (val8 >> 5) + 1;
3763 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3768 /* sync the backlight device status */
3769 sony_bl_props.dev->props.brightness =
3770 sony_backlight_get_brightness(sony_bl_props.dev);
3772 case SONYPI_IOCGBAT1CAP:
3773 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3777 if (copy_to_user(argp, &val16, sizeof(val16)))
3780 case SONYPI_IOCGBAT1REM:
3781 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3785 if (copy_to_user(argp, &val16, sizeof(val16)))
3788 case SONYPI_IOCGBAT2CAP:
3789 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3793 if (copy_to_user(argp, &val16, sizeof(val16)))
3796 case SONYPI_IOCGBAT2REM:
3797 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3801 if (copy_to_user(argp, &val16, sizeof(val16)))
3804 case SONYPI_IOCGBATFLAGS:
3805 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3810 if (copy_to_user(argp, &val8, sizeof(val8)))
3813 case SONYPI_IOCGBLUE:
3814 val8 = spic_dev.bluetooth_power;
3815 if (copy_to_user(argp, &val8, sizeof(val8)))
3818 case SONYPI_IOCSBLUE:
3819 if (copy_from_user(&val8, argp, sizeof(val8))) {
3823 __sony_pic_set_bluetoothpower(val8);
3826 case SONYPI_IOCGFAN:
3827 if (sony_pic_get_fanspeed(&val8)) {
3831 if (copy_to_user(argp, &val8, sizeof(val8)))
3834 case SONYPI_IOCSFAN:
3835 if (copy_from_user(&val8, argp, sizeof(val8))) {
3839 if (sony_pic_set_fanspeed(val8))
3842 /* GET Temperature (useful under APM) */
3843 case SONYPI_IOCGTEMP:
3844 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3848 if (copy_to_user(argp, &val8, sizeof(val8)))
3854 mutex_unlock(&spic_dev.lock);
3858 static const struct file_operations sonypi_misc_fops = {
3859 .owner = THIS_MODULE,
3860 .read = sonypi_misc_read,
3861 .poll = sonypi_misc_poll,
3862 .open = sonypi_misc_open,
3863 .release = sonypi_misc_release,
3864 .fasync = sonypi_misc_fasync,
3865 .unlocked_ioctl = sonypi_misc_ioctl,
3866 .llseek = noop_llseek,
3869 static struct miscdevice sonypi_misc_device = {
3870 .minor = MISC_DYNAMIC_MINOR,
3872 .fops = &sonypi_misc_fops,
3875 static void sonypi_compat_report_event(u8 event)
3877 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3878 sizeof(event), &sonypi_compat.fifo_lock);
3879 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3880 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3883 static int sonypi_compat_init(void)
3887 spin_lock_init(&sonypi_compat.fifo_lock);
3889 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3891 pr_err("kfifo_alloc failed\n");
3895 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3898 sonypi_misc_device.minor = minor;
3899 error = misc_register(&sonypi_misc_device);
3901 pr_err("misc_register failed\n");
3902 goto err_free_kfifo;
3905 pr_info("device allocated minor is %d\n",
3906 sonypi_misc_device.minor);
3911 kfifo_free(&sonypi_compat.fifo);
3915 static void sonypi_compat_exit(void)
3917 misc_deregister(&sonypi_misc_device);
3918 kfifo_free(&sonypi_compat.fifo);
3921 static int sonypi_compat_init(void) { return 0; }
3922 static void sonypi_compat_exit(void) { }
3923 static void sonypi_compat_report_event(u8 event) { }
3924 #endif /* CONFIG_SONYPI_COMPAT */
3930 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3933 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3935 switch (resource->type) {
3936 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3938 /* start IO enumeration */
3939 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3943 list_add(&ioport->list, &dev->ioports);
3947 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3948 /* end IO enumeration */
3951 case ACPI_RESOURCE_TYPE_IRQ:
3953 struct acpi_resource_irq *p = &resource->data.irq;
3954 struct sony_pic_irq *interrupt = NULL;
3955 if (!p || !p->interrupt_count) {
3957 * IRQ descriptors may have no IRQ# bits set,
3958 * particularly those those w/ _STA disabled
3960 dprintk("Blank IRQ resource\n");
3963 for (i = 0; i < p->interrupt_count; i++) {
3964 if (!p->interrupts[i]) {
3965 pr_warn("Invalid IRQ %d\n",
3969 interrupt = kzalloc(sizeof(*interrupt),
3974 list_add(&interrupt->list, &dev->interrupts);
3975 interrupt->irq.triggering = p->triggering;
3976 interrupt->irq.polarity = p->polarity;
3977 interrupt->irq.sharable = p->sharable;
3978 interrupt->irq.interrupt_count = 1;
3979 interrupt->irq.interrupts[0] = p->interrupts[i];
3983 case ACPI_RESOURCE_TYPE_IO:
3985 struct acpi_resource_io *io = &resource->data.io;
3986 struct sony_pic_ioport *ioport =
3987 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3989 dprintk("Blank IO resource\n");
3993 if (!ioport->io1.minimum) {
3994 memcpy(&ioport->io1, io, sizeof(*io));
3995 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3996 ioport->io1.address_length);
3998 else if (!ioport->io2.minimum) {
3999 memcpy(&ioport->io2, io, sizeof(*io));
4000 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4001 ioport->io2.address_length);
4004 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4010 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4013 case ACPI_RESOURCE_TYPE_END_TAG:
4016 return AE_CTRL_TERMINATE;
4019 static int sony_pic_possible_resources(struct acpi_device *device)
4022 acpi_status status = AE_OK;
4027 /* get device status */
4028 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4029 dprintk("Evaluating _STA\n");
4030 result = acpi_bus_get_status(device);
4032 pr_warn("Unable to read status\n");
4036 if (!device->status.enabled)
4037 dprintk("Device disabled\n");
4039 dprintk("Device enabled\n");
4042 * Query and parse 'method'
4044 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4045 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4046 sony_pic_read_possible_resource, &spic_dev);
4047 if (ACPI_FAILURE(status)) {
4048 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4056 * Disable the spic device by calling its _DIS method
4058 static int sony_pic_disable(struct acpi_device *device)
4060 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4063 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4066 dprintk("Device disabled\n");
4072 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4074 * Call _SRS to set current resources
4076 static int sony_pic_enable(struct acpi_device *device,
4077 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4081 /* Type 1 resource layout is:
4087 * Type 2 and 3 resource layout is:
4093 struct acpi_resource res1;
4094 struct acpi_resource res2;
4095 struct acpi_resource res3;
4096 struct acpi_resource res4;
4098 struct acpi_buffer buffer = { 0, NULL };
4100 if (!ioport || !irq)
4103 /* init acpi_buffer */
4104 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4108 buffer.length = sizeof(*resource) + 1;
4109 buffer.pointer = resource;
4111 /* setup Type 1 resources */
4112 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4114 /* setup io resources */
4115 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4116 resource->res1.length = sizeof(struct acpi_resource);
4117 memcpy(&resource->res1.data.io, &ioport->io1,
4118 sizeof(struct acpi_resource_io));
4120 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4121 resource->res2.length = sizeof(struct acpi_resource);
4122 memcpy(&resource->res2.data.io, &ioport->io2,
4123 sizeof(struct acpi_resource_io));
4125 /* setup irq resource */
4126 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4127 resource->res3.length = sizeof(struct acpi_resource);
4128 memcpy(&resource->res3.data.irq, &irq->irq,
4129 sizeof(struct acpi_resource_irq));
4130 /* we requested a shared irq */
4131 resource->res3.data.irq.sharable = ACPI_SHARED;
4133 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4134 resource->res4.length = sizeof(struct acpi_resource);
4136 /* setup Type 2/3 resources */
4138 /* setup io resource */
4139 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4140 resource->res1.length = sizeof(struct acpi_resource);
4141 memcpy(&resource->res1.data.io, &ioport->io1,
4142 sizeof(struct acpi_resource_io));
4144 /* setup irq resource */
4145 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4146 resource->res2.length = sizeof(struct acpi_resource);
4147 memcpy(&resource->res2.data.irq, &irq->irq,
4148 sizeof(struct acpi_resource_irq));
4149 /* we requested a shared irq */
4150 resource->res2.data.irq.sharable = ACPI_SHARED;
4152 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4153 resource->res3.length = sizeof(struct acpi_resource);
4156 /* Attempt to set the resource */
4157 dprintk("Evaluating _SRS\n");
4158 status = acpi_set_current_resources(device->handle, &buffer);
4160 /* check for total failure */
4161 if (ACPI_FAILURE(status)) {
4162 pr_err("Error evaluating _SRS\n");
4167 /* Necessary device initializations calls (from sonypi) */
4168 sony_pic_call1(0x82);
4169 sony_pic_call2(0x81, 0xff);
4170 sony_pic_call1(compat ? 0x92 : 0x82);
4179 * ISR: some event is available
4182 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4187 u8 device_event = 0;
4189 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4191 ev = inb_p(dev->cur_ioport->io1.minimum);
4192 if (dev->cur_ioport->io2.minimum)
4193 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4195 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4196 dev->evport_offset);
4198 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4199 ev, data_mask, dev->cur_ioport->io1.minimum,
4200 dev->evport_offset);
4202 if (ev == 0x00 || ev == 0xff)
4205 for (i = 0; dev->event_types[i].mask; i++) {
4207 if ((data_mask & dev->event_types[i].data) !=
4208 dev->event_types[i].data)
4211 if (!(mask & dev->event_types[i].mask))
4214 for (j = 0; dev->event_types[i].events[j].event; j++) {
4215 if (ev == dev->event_types[i].events[j].data) {
4217 dev->event_types[i].events[j].event;
4218 /* some events may require ignoring */
4225 /* Still not able to decode the event try to pass
4226 * it over to the minidriver
4228 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4231 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4232 ev, data_mask, dev->cur_ioport->io1.minimum,
4233 dev->evport_offset);
4237 sony_laptop_report_input_event(device_event);
4238 sonypi_compat_report_event(device_event);
4247 static int sony_pic_remove(struct acpi_device *device)
4249 struct sony_pic_ioport *io, *tmp_io;
4250 struct sony_pic_irq *irq, *tmp_irq;
4252 if (sony_pic_disable(device)) {
4253 pr_err("Couldn't disable device\n");
4257 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4258 release_region(spic_dev.cur_ioport->io1.minimum,
4259 spic_dev.cur_ioport->io1.address_length);
4260 if (spic_dev.cur_ioport->io2.minimum)
4261 release_region(spic_dev.cur_ioport->io2.minimum,
4262 spic_dev.cur_ioport->io2.address_length);
4264 sonypi_compat_exit();
4266 sony_laptop_remove_input();
4269 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4272 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4273 list_del(&io->list);
4276 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4277 list_del(&irq->list);
4280 spic_dev.cur_ioport = NULL;
4281 spic_dev.cur_irq = NULL;
4283 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4287 static int sony_pic_add(struct acpi_device *device)
4290 struct sony_pic_ioport *io, *tmp_io;
4291 struct sony_pic_irq *irq, *tmp_irq;
4293 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4295 spic_dev.acpi_dev = device;
4296 strcpy(acpi_device_class(device), "sony/hotkey");
4297 sony_pic_detect_device_type(&spic_dev);
4298 mutex_init(&spic_dev.lock);
4300 /* read _PRS resources */
4301 result = sony_pic_possible_resources(device);
4303 pr_err("Unable to read possible resources\n");
4304 goto err_free_resources;
4307 /* setup input devices and helper fifo */
4308 result = sony_laptop_setup_input(device);
4310 pr_err("Unable to create input devices\n");
4311 goto err_free_resources;
4314 result = sonypi_compat_init();
4316 goto err_remove_input;
4318 /* request io port */
4319 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4320 if (request_region(io->io1.minimum, io->io1.address_length,
4321 "Sony Programmable I/O Device")) {
4322 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4323 io->io1.minimum, io->io1.maximum,
4324 io->io1.address_length);
4325 /* Type 1 have 2 ioports */
4326 if (io->io2.minimum) {
4327 if (request_region(io->io2.minimum,
4328 io->io2.address_length,
4329 "Sony Programmable I/O Device")) {
4330 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4331 io->io2.minimum, io->io2.maximum,
4332 io->io2.address_length);
4333 spic_dev.cur_ioport = io;
4337 dprintk("Unable to get I/O port2: "
4338 "0x%.4x (0x%.4x) + 0x%.2x\n",
4339 io->io2.minimum, io->io2.maximum,
4340 io->io2.address_length);
4341 release_region(io->io1.minimum,
4342 io->io1.address_length);
4346 spic_dev.cur_ioport = io;
4351 if (!spic_dev.cur_ioport) {
4352 pr_err("Failed to request_region\n");
4354 goto err_remove_compat;
4358 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4359 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4360 0, "sony-laptop", &spic_dev)) {
4361 dprintk("IRQ: %d - triggering: %d - "
4362 "polarity: %d - shr: %d\n",
4363 irq->irq.interrupts[0],
4364 irq->irq.triggering,
4367 spic_dev.cur_irq = irq;
4371 if (!spic_dev.cur_irq) {
4372 pr_err("Failed to request_irq\n");
4374 goto err_release_region;
4377 /* set resource status _SRS */
4378 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4380 pr_err("Couldn't enable device\n");
4384 spic_dev.bluetooth_power = -1;
4385 /* create device attributes */
4386 result = sony_pf_add();
4388 goto err_disable_device;
4390 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4400 sony_pic_disable(device);
4403 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4406 release_region(spic_dev.cur_ioport->io1.minimum,
4407 spic_dev.cur_ioport->io1.address_length);
4408 if (spic_dev.cur_ioport->io2.minimum)
4409 release_region(spic_dev.cur_ioport->io2.minimum,
4410 spic_dev.cur_ioport->io2.address_length);
4413 sonypi_compat_exit();
4416 sony_laptop_remove_input();
4419 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4420 list_del(&io->list);
4423 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4424 list_del(&irq->list);
4427 spic_dev.cur_ioport = NULL;
4428 spic_dev.cur_irq = NULL;
4433 #ifdef CONFIG_PM_SLEEP
4434 static int sony_pic_suspend(struct device *dev)
4436 if (sony_pic_disable(to_acpi_device(dev)))
4441 static int sony_pic_resume(struct device *dev)
4443 sony_pic_enable(to_acpi_device(dev),
4444 spic_dev.cur_ioport, spic_dev.cur_irq);
4449 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4451 static const struct acpi_device_id sony_pic_device_ids[] = {
4456 static struct acpi_driver sony_pic_driver = {
4457 .name = SONY_PIC_DRIVER_NAME,
4458 .class = SONY_PIC_CLASS,
4459 .ids = sony_pic_device_ids,
4460 .owner = THIS_MODULE,
4462 .add = sony_pic_add,
4463 .remove = sony_pic_remove,
4465 .drv.pm = &sony_pic_pm,
4468 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4470 .ident = "Sony Vaio",
4472 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4473 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4477 .ident = "Sony Vaio",
4479 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4480 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4486 static int __init sony_laptop_init(void)
4490 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4491 result = acpi_bus_register_driver(&sony_pic_driver);
4493 pr_err("Unable to register SPIC driver\n");
4496 spic_drv_registered = 1;
4499 result = acpi_bus_register_driver(&sony_nc_driver);
4501 pr_err("Unable to register SNC driver\n");
4502 goto out_unregister_pic;
4508 if (spic_drv_registered)
4509 acpi_bus_unregister_driver(&sony_pic_driver);
4514 static void __exit sony_laptop_exit(void)
4516 acpi_bus_unregister_driver(&sony_nc_driver);
4517 if (spic_drv_registered)
4518 acpi_bus_unregister_driver(&sony_pic_driver);
4521 module_init(sony_laptop_init);
4522 module_exit(sony_laptop_exit);