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;
1512 for (item = sony_nc_values; item->name; item++) {
1517 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1518 &item->value, NULL);
1520 pr_err("%s: %d\n", __func__, ret);
1525 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1527 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1528 dprintk("ECON Method failed\n");
1531 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1532 sony_nc_function_resume();
1538 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1540 static void sony_nc_rfkill_cleanup(void)
1544 for (i = 0; i < N_SONY_RFKILL; i++) {
1545 if (sony_rfkill_devices[i]) {
1546 rfkill_unregister(sony_rfkill_devices[i]);
1547 rfkill_destroy(sony_rfkill_devices[i]);
1552 static int sony_nc_rfkill_set(void *data, bool blocked)
1555 int argument = sony_rfkill_address[(long) data] + 0x100;
1558 argument |= 0x070000;
1560 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1563 static const struct rfkill_ops sony_rfkill_ops = {
1564 .set_block = sony_nc_rfkill_set,
1567 static int sony_nc_setup_rfkill(struct acpi_device *device,
1568 enum sony_nc_rfkill nc_type)
1572 enum rfkill_type type;
1575 bool hwblock, swblock;
1579 type = RFKILL_TYPE_WLAN;
1582 case SONY_BLUETOOTH:
1583 type = RFKILL_TYPE_BLUETOOTH;
1584 name = "sony-bluetooth";
1587 type = RFKILL_TYPE_WWAN;
1591 type = RFKILL_TYPE_WIMAX;
1592 name = "sony-wimax";
1598 rfk = rfkill_alloc(name, &device->dev, type,
1599 &sony_rfkill_ops, (void *)nc_type);
1603 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1604 rfkill_destroy(rfk);
1607 hwblock = !(result & 0x1);
1609 if (sony_call_snc_handle(sony_rfkill_handle,
1610 sony_rfkill_address[nc_type],
1612 rfkill_destroy(rfk);
1615 swblock = !(result & 0x2);
1617 rfkill_init_sw_state(rfk, swblock);
1618 rfkill_set_hw_state(rfk, hwblock);
1620 err = rfkill_register(rfk);
1622 rfkill_destroy(rfk);
1625 sony_rfkill_devices[nc_type] = rfk;
1629 static void sony_nc_rfkill_update(void)
1631 enum sony_nc_rfkill i;
1635 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1636 hwblock = !(result & 0x1);
1638 for (i = 0; i < N_SONY_RFKILL; i++) {
1639 int argument = sony_rfkill_address[i];
1641 if (!sony_rfkill_devices[i])
1645 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1646 /* we already know we're blocked */
1651 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1652 rfkill_set_states(sony_rfkill_devices[i],
1653 !(result & 0x2), false);
1657 static int sony_nc_rfkill_setup(struct acpi_device *device,
1658 unsigned int handle)
1662 unsigned char buffer[32] = { 0 };
1664 offset = sony_find_snc_handle(handle);
1665 sony_rfkill_handle = handle;
1667 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1672 /* The buffer is filled with magic numbers describing the devices
1673 * available, 0xff terminates the enumeration.
1677 * 0x20 WWAN GPRS-EDGE
1681 * 0x25 Gobi WWAN no GPS
1682 * 0x26 Gobi WWAN + GPS
1683 * 0x28 Gobi WWAN no GPS
1684 * 0x29 Gobi WWAN + GPS
1686 * 0x50 Gobi WWAN no GPS
1687 * 0x51 Gobi WWAN + GPS
1688 * 0x70 no SIM card slot
1689 * 0x71 SIM card slot
1691 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1693 if (buffer[i] == 0xff)
1696 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1698 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1699 sony_nc_setup_rfkill(device, SONY_WIFI);
1701 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1702 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1704 if (((0xf0 & buffer[i]) == 0x20 ||
1705 (0xf0 & buffer[i]) == 0x50) &&
1706 !sony_rfkill_devices[SONY_WWAN])
1707 sony_nc_setup_rfkill(device, SONY_WWAN);
1709 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1710 sony_nc_setup_rfkill(device, SONY_WIMAX);
1715 /* Keyboard backlight feature */
1716 struct kbd_backlight {
1717 unsigned int handle;
1720 unsigned int timeout;
1721 struct device_attribute mode_attr;
1722 struct device_attribute timeout_attr;
1725 static struct kbd_backlight *kbdbl_ctl;
1727 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1734 if (sony_call_snc_handle(kbdbl_ctl->handle,
1735 (value << 0x10) | (kbdbl_ctl->base), &result))
1738 /* Try to turn the light on/off immediately */
1739 sony_call_snc_handle(kbdbl_ctl->handle,
1740 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1742 kbdbl_ctl->mode = value;
1747 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1748 struct device_attribute *attr,
1749 const char *buffer, size_t count)
1752 unsigned long value;
1757 if (kstrtoul(buffer, 10, &value))
1760 ret = __sony_nc_kbd_backlight_mode_set(value);
1767 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1768 struct device_attribute *attr, char *buffer)
1771 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1775 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1782 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1783 (kbdbl_ctl->base + 0x200), &result))
1786 kbdbl_ctl->timeout = value;
1791 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1792 struct device_attribute *attr,
1793 const char *buffer, size_t count)
1796 unsigned long value;
1801 if (kstrtoul(buffer, 10, &value))
1804 ret = __sony_nc_kbd_backlight_timeout_set(value);
1811 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1812 struct device_attribute *attr, char *buffer)
1815 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1819 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1820 unsigned int handle)
1825 /* verify the kbd backlight presence, these handles are not used for
1826 * keyboard backlight only
1828 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1833 if ((handle == 0x0137 && !(result & 0x02)) ||
1835 dprintk("no backlight keyboard found\n");
1839 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1843 kbdbl_ctl->mode = kbd_backlight;
1844 kbdbl_ctl->timeout = kbd_backlight_timeout;
1845 kbdbl_ctl->handle = handle;
1846 if (handle == 0x0137)
1847 kbdbl_ctl->base = 0x0C00;
1849 kbdbl_ctl->base = 0x4000;
1851 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1852 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1853 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1854 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1855 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1857 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1858 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1859 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1860 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1861 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1863 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1867 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1871 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1872 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1877 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1884 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1887 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1888 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1894 #ifdef CONFIG_PM_SLEEP
1895 static void sony_nc_kbd_backlight_resume(void)
1902 if (kbdbl_ctl->mode == 0)
1903 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1906 if (kbdbl_ctl->timeout != 0)
1907 sony_call_snc_handle(kbdbl_ctl->handle,
1908 (kbdbl_ctl->base + 0x200) |
1909 (kbdbl_ctl->timeout << 0x10), &ignore);
1913 struct battery_care_control {
1914 struct device_attribute attrs[2];
1915 unsigned int handle;
1917 static struct battery_care_control *bcare_ctl;
1919 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1920 struct device_attribute *attr,
1921 const char *buffer, size_t count)
1923 unsigned int result, cmd;
1924 unsigned long value;
1929 if (kstrtoul(buffer, 10, &value))
1932 /* limit values (2 bits):
1938 * bit 0: 0 disable BCL, 1 enable BCL
1939 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1940 * bits 2,3: reserved
1941 * bits 4,5: store the limit into the EC
1942 * bits 6,7: store the limit into the battery
1950 else if (value <= 80)
1953 else if (value <= 100)
1960 * handle 0x0115 should allow storing on battery too;
1961 * handle 0x0136 same as 0x0115 + health status;
1962 * handle 0x013f, same as 0x0136 but no storing on the battery
1964 if (bcare_ctl->handle != 0x013f)
1965 cmd = cmd | (cmd << 2);
1967 cmd = (cmd | 0x1) << 0x10;
1970 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1976 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1977 struct device_attribute *attr, char *buffer)
1979 unsigned int result, status;
1981 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1984 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2000 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2003 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2004 struct device_attribute *attr, char *buffer)
2007 unsigned int health;
2009 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2012 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2017 static int sony_nc_battery_care_setup(struct platform_device *pd,
2018 unsigned int handle)
2022 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2026 bcare_ctl->handle = handle;
2028 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2029 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2030 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2031 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2032 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2034 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2038 /* 0x0115 is for models with no health reporting capability */
2039 if (handle == 0x0115)
2042 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2043 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2044 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2045 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2047 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2054 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2063 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2066 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2067 if (bcare_ctl->handle != 0x0115)
2068 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2075 struct snc_thermal_ctrl {
2077 unsigned int profiles;
2078 struct device_attribute mode_attr;
2079 struct device_attribute profiles_attr;
2081 static struct snc_thermal_ctrl *th_handle;
2083 #define THM_PROFILE_MAX 3
2084 static const char * const snc_thermal_profiles[] = {
2090 static int sony_nc_thermal_mode_set(unsigned short mode)
2092 unsigned int result;
2094 /* the thermal profile seems to be a two bit bitmask:
2096 * msb -> performance
2097 * no bit set is the normal operation and is always valid
2098 * Some vaio models only have "balanced" and "performance"
2100 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2103 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2106 th_handle->mode = mode;
2111 static int sony_nc_thermal_mode_get(void)
2113 unsigned int result;
2115 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2118 return result & 0xff;
2121 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2122 struct device_attribute *attr, char *buffer)
2127 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2128 if (!cnt || (th_handle->profiles & cnt))
2129 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2130 snc_thermal_profiles[cnt]);
2132 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2137 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2138 struct device_attribute *attr,
2139 const char *buffer, size_t count)
2147 /* skip the newline if present */
2148 if (buffer[len - 1] == '\n')
2151 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2152 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2155 if (sony_nc_thermal_mode_set(cmd))
2161 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2162 struct device_attribute *attr, char *buffer)
2165 int mode = sony_nc_thermal_mode_get();
2170 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2175 static int sony_nc_thermal_setup(struct platform_device *pd)
2178 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2182 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2184 pr_warn("couldn't to read the thermal profiles\n");
2188 ret = sony_nc_thermal_mode_get();
2190 pr_warn("couldn't to read the current thermal profile");
2193 th_handle->mode = ret;
2195 sysfs_attr_init(&th_handle->profiles_attr.attr);
2196 th_handle->profiles_attr.attr.name = "thermal_profiles";
2197 th_handle->profiles_attr.attr.mode = S_IRUGO;
2198 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2200 sysfs_attr_init(&th_handle->mode_attr.attr);
2201 th_handle->mode_attr.attr.name = "thermal_control";
2202 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2203 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2204 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2206 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2210 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2217 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2224 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2227 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2228 device_remove_file(&pd->dev, &th_handle->mode_attr);
2234 #ifdef CONFIG_PM_SLEEP
2235 static void sony_nc_thermal_resume(void)
2237 unsigned int status = sony_nc_thermal_mode_get();
2239 if (status != th_handle->mode)
2240 sony_nc_thermal_mode_set(th_handle->mode);
2244 /* resume on LID open */
2245 struct snc_lid_resume_control {
2246 struct device_attribute attrs[3];
2247 unsigned int status;
2249 static struct snc_lid_resume_control *lid_ctl;
2251 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2252 struct device_attribute *attr,
2253 const char *buffer, size_t count)
2255 unsigned int result, pos;
2256 unsigned long value;
2260 if (kstrtoul(buffer, 10, &value) || value > 1)
2263 /* the value we have to write to SNC is a bitmask:
2269 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2271 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2273 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2279 value = lid_ctl->status | (1 << pos);
2281 value = lid_ctl->status & ~(1 << pos);
2283 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2286 lid_ctl->status = value;
2291 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2292 struct device_attribute *attr, char *buffer)
2296 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2298 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2300 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2305 return snprintf(buffer, PAGE_SIZE, "%d\n",
2306 (lid_ctl->status >> pos) & 0x01);
2309 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2311 unsigned int result;
2314 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2317 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2321 lid_ctl->status = result & 0x7;
2323 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2324 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2325 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2326 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2327 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2329 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2330 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2331 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2332 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2333 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2335 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2336 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2337 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2338 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2339 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2341 for (i = 0; i < 3; i++) {
2342 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2350 for (i--; i >= 0; i--)
2351 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2359 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2364 for (i = 0; i < 3; i++)
2365 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2372 /* GFX Switch position */
2378 struct snc_gfx_switch_control {
2379 struct device_attribute attr;
2380 unsigned int handle;
2382 static struct snc_gfx_switch_control *gfxs_ctl;
2384 /* returns 0 for speed, 1 for stamina */
2385 static int __sony_nc_gfx_switch_status_get(void)
2387 unsigned int result;
2389 if (sony_call_snc_handle(gfxs_ctl->handle,
2390 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2394 switch (gfxs_ctl->handle) {
2396 /* 1: discrete GFX (speed)
2397 * 0: integrated GFX (stamina)
2399 return result & 0x1 ? SPEED : STAMINA;
2402 /* 0: discrete GFX (speed)
2403 * 1: integrated GFX (stamina)
2405 return result & 0x1 ? STAMINA : SPEED;
2408 /* it's a more elaborated bitmask, for now:
2409 * 2: integrated GFX (stamina)
2410 * 0: discrete GFX (speed)
2412 dprintk("GFX Status: 0x%x\n", result);
2413 return result & 0x80 ? AUTO :
2414 result & 0x02 ? STAMINA : SPEED;
2420 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2421 struct device_attribute *attr,
2424 int pos = __sony_nc_gfx_switch_status_get();
2429 return snprintf(buffer, PAGE_SIZE, "%s\n",
2430 pos == SPEED ? "speed" :
2431 pos == STAMINA ? "stamina" :
2432 pos == AUTO ? "auto" : "unknown");
2435 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2436 unsigned int handle)
2438 unsigned int result;
2440 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2444 gfxs_ctl->handle = handle;
2446 sysfs_attr_init(&gfxs_ctl->attr.attr);
2447 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2448 gfxs_ctl->attr.attr.mode = S_IRUGO;
2449 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2451 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2464 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2467 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2474 /* High speed charging function */
2475 static struct device_attribute *hsc_handle;
2477 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2478 struct device_attribute *attr,
2479 const char *buffer, size_t count)
2481 unsigned int result;
2482 unsigned long value;
2487 if (kstrtoul(buffer, 10, &value) || value > 1)
2490 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2496 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2497 struct device_attribute *attr, char *buffer)
2499 unsigned int result;
2501 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2504 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2507 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2509 unsigned int result;
2511 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2512 /* some models advertise the handle but have no implementation
2515 pr_info("No High Speed Charging capability found\n");
2519 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2523 sysfs_attr_init(&hsc_handle->attr);
2524 hsc_handle->attr.name = "battery_highspeed_charging";
2525 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2526 hsc_handle->show = sony_nc_highspeed_charging_show;
2527 hsc_handle->store = sony_nc_highspeed_charging_store;
2529 result = device_create_file(&pd->dev, hsc_handle);
2539 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2542 device_remove_file(&pd->dev, hsc_handle);
2548 /* Touchpad enable/disable */
2549 struct touchpad_control {
2550 struct device_attribute attr;
2553 static struct touchpad_control *tp_ctl;
2555 static ssize_t sony_nc_touchpad_store(struct device *dev,
2556 struct device_attribute *attr, const char *buffer, size_t count)
2558 unsigned int result;
2559 unsigned long value;
2564 if (kstrtoul(buffer, 10, &value) || value > 1)
2567 /* sysfs: 0 disabled, 1 enabled
2568 * EC: 0 enabled, 1 disabled
2570 if (sony_call_snc_handle(tp_ctl->handle,
2571 (!value << 0x10) | 0x100, &result))
2577 static ssize_t sony_nc_touchpad_show(struct device *dev,
2578 struct device_attribute *attr, char *buffer)
2580 unsigned int result;
2582 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2585 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2588 static int sony_nc_touchpad_setup(struct platform_device *pd,
2589 unsigned int handle)
2593 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2597 tp_ctl->handle = handle;
2599 sysfs_attr_init(&tp_ctl->attr.attr);
2600 tp_ctl->attr.attr.name = "touchpad";
2601 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2602 tp_ctl->attr.show = sony_nc_touchpad_show;
2603 tp_ctl->attr.store = sony_nc_touchpad_store;
2605 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2614 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2617 device_remove_file(&pd->dev, &tp_ctl->attr);
2623 static void sony_nc_backlight_ng_read_limits(int handle,
2624 struct sony_backlight_props *props)
2628 int lvl_table_len = 0;
2629 u8 min = 0xff, max = 0x00;
2630 unsigned char buffer[32] = { 0 };
2632 props->handle = handle;
2634 props->maxlvl = 0xff;
2636 offset = sony_find_snc_handle(handle);
2638 /* try to read the boundaries from ACPI tables, if we fail the above
2639 * defaults should be reasonable
2641 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2658 /* the buffer lists brightness levels available, brightness levels are
2659 * from position 0 to 8 in the array, other values are used by ALS
2662 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2664 dprintk("Brightness level: %d\n", buffer[i]);
2669 if (buffer[i] > max)
2671 if (buffer[i] < min)
2674 props->offset = min;
2675 props->maxlvl = max;
2676 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2680 static void sony_nc_backlight_setup(void)
2682 int max_brightness = 0;
2683 const struct backlight_ops *ops = NULL;
2684 struct backlight_properties props;
2686 if (sony_find_snc_handle(0x12f) >= 0) {
2687 ops = &sony_backlight_ng_ops;
2688 sony_bl_props.cmd_base = 0x0100;
2689 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2690 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2692 } else if (sony_find_snc_handle(0x137) >= 0) {
2693 ops = &sony_backlight_ng_ops;
2694 sony_bl_props.cmd_base = 0x0100;
2695 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2696 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2698 } else if (sony_find_snc_handle(0x143) >= 0) {
2699 ops = &sony_backlight_ng_ops;
2700 sony_bl_props.cmd_base = 0x3000;
2701 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2702 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2704 } else if (sony_find_snc_handle(0x14b) >= 0) {
2705 ops = &sony_backlight_ng_ops;
2706 sony_bl_props.cmd_base = 0x3000;
2707 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2708 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2710 } else if (sony_find_snc_handle(0x14c) >= 0) {
2711 ops = &sony_backlight_ng_ops;
2712 sony_bl_props.cmd_base = 0x3000;
2713 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2714 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2716 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
2717 ops = &sony_backlight_ops;
2718 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2723 memset(&props, 0, sizeof(struct backlight_properties));
2724 props.type = BACKLIGHT_PLATFORM;
2725 props.max_brightness = max_brightness;
2726 sony_bl_props.dev = backlight_device_register("sony", NULL,
2730 if (IS_ERR(sony_bl_props.dev)) {
2731 pr_warn("unable to register backlight device\n");
2732 sony_bl_props.dev = NULL;
2734 sony_bl_props.dev->props.brightness =
2735 ops->get_brightness(sony_bl_props.dev);
2738 static void sony_nc_backlight_cleanup(void)
2740 if (sony_bl_props.dev)
2741 backlight_device_unregister(sony_bl_props.dev);
2744 static int sony_nc_add(struct acpi_device *device)
2748 struct sony_nc_value *item;
2750 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2752 sony_nc_acpi_device = device;
2753 strcpy(acpi_device_class(device), "sony/hotkey");
2755 sony_nc_acpi_handle = device->handle;
2757 /* read device status */
2758 result = acpi_bus_get_status(device);
2759 /* bail IFF the above call was successful and the device is not present */
2760 if (!result && !device->status.present) {
2761 dprintk("Device not present\n");
2766 result = sony_pf_add();
2771 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2772 sony_nc_acpi_handle, 1, sony_walk_callback,
2774 if (ACPI_FAILURE(status)) {
2775 pr_warn("unable to walk acpi resources\n");
2781 result = sony_laptop_setup_input(device);
2783 pr_err("Unable to create input devices\n");
2787 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
2789 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2790 dprintk("ECON Method failed\n");
2793 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
2794 dprintk("Doing SNC setup\n");
2795 /* retrieve the available handles */
2796 result = sony_nc_handles_setup(sony_pf_device);
2798 sony_nc_function_setup(device, sony_pf_device);
2801 /* setup input devices and helper fifo */
2802 if (acpi_video_backlight_support()) {
2803 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2805 sony_nc_backlight_setup();
2808 /* create sony_pf sysfs attributes related to the SNC device */
2809 for (item = sony_nc_values; item->name; ++item) {
2811 if (!debug && item->debug)
2814 /* find the available acpiget as described in the DSDT */
2815 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2816 if (acpi_has_method(sony_nc_acpi_handle,
2818 dprintk("Found %s getter: %s\n",
2819 item->name, *item->acpiget);
2820 item->devattr.attr.mode |= S_IRUGO;
2825 /* find the available acpiset as described in the DSDT */
2826 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2827 if (acpi_has_method(sony_nc_acpi_handle,
2829 dprintk("Found %s setter: %s\n",
2830 item->name, *item->acpiset);
2831 item->devattr.attr.mode |= S_IWUSR;
2836 if (item->devattr.attr.mode != 0) {
2838 device_create_file(&sony_pf_device->dev,
2848 for (item = sony_nc_values; item->name; ++item) {
2849 device_remove_file(&sony_pf_device->dev, &item->devattr);
2851 sony_nc_backlight_cleanup();
2852 sony_nc_function_cleanup(sony_pf_device);
2853 sony_nc_handles_cleanup(sony_pf_device);
2856 sony_laptop_remove_input();
2862 sony_nc_rfkill_cleanup();
2866 static int sony_nc_remove(struct acpi_device *device)
2868 struct sony_nc_value *item;
2870 sony_nc_backlight_cleanup();
2872 sony_nc_acpi_device = NULL;
2874 for (item = sony_nc_values; item->name; ++item) {
2875 device_remove_file(&sony_pf_device->dev, &item->devattr);
2878 sony_nc_function_cleanup(sony_pf_device);
2879 sony_nc_handles_cleanup(sony_pf_device);
2881 sony_laptop_remove_input();
2882 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2887 static const struct acpi_device_id sony_device_ids[] = {
2892 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2894 static const struct acpi_device_id sony_nc_device_ids[] = {
2899 static struct acpi_driver sony_nc_driver = {
2900 .name = SONY_NC_DRIVER_NAME,
2901 .class = SONY_NC_CLASS,
2902 .ids = sony_nc_device_ids,
2903 .owner = THIS_MODULE,
2906 .remove = sony_nc_remove,
2907 .notify = sony_nc_notify,
2909 .drv.pm = &sony_nc_pm,
2912 /*********** SPIC (SNY6001) Device ***********/
2914 #define SONYPI_DEVICE_TYPE1 0x00000001
2915 #define SONYPI_DEVICE_TYPE2 0x00000002
2916 #define SONYPI_DEVICE_TYPE3 0x00000004
2918 #define SONYPI_TYPE1_OFFSET 0x04
2919 #define SONYPI_TYPE2_OFFSET 0x12
2920 #define SONYPI_TYPE3_OFFSET 0x12
2922 struct sony_pic_ioport {
2923 struct acpi_resource_io io1;
2924 struct acpi_resource_io io2;
2925 struct list_head list;
2928 struct sony_pic_irq {
2929 struct acpi_resource_irq irq;
2930 struct list_head list;
2933 struct sonypi_eventtypes {
2936 struct sonypi_event *events;
2939 struct sony_pic_dev {
2940 struct acpi_device *acpi_dev;
2941 struct sony_pic_irq *cur_irq;
2942 struct sony_pic_ioport *cur_ioport;
2943 struct list_head interrupts;
2944 struct list_head ioports;
2946 struct sonypi_eventtypes *event_types;
2947 int (*handle_irq)(const u8, const u8);
2955 static struct sony_pic_dev spic_dev = {
2956 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2957 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2960 static int spic_drv_registered;
2963 #define SONYPI_JOGGER_MASK 0x00000001
2964 #define SONYPI_CAPTURE_MASK 0x00000002
2965 #define SONYPI_FNKEY_MASK 0x00000004
2966 #define SONYPI_BLUETOOTH_MASK 0x00000008
2967 #define SONYPI_PKEY_MASK 0x00000010
2968 #define SONYPI_BACK_MASK 0x00000020
2969 #define SONYPI_HELP_MASK 0x00000040
2970 #define SONYPI_LID_MASK 0x00000080
2971 #define SONYPI_ZOOM_MASK 0x00000100
2972 #define SONYPI_THUMBPHRASE_MASK 0x00000200
2973 #define SONYPI_MEYE_MASK 0x00000400
2974 #define SONYPI_MEMORYSTICK_MASK 0x00000800
2975 #define SONYPI_BATTERY_MASK 0x00001000
2976 #define SONYPI_WIRELESS_MASK 0x00002000
2978 struct sonypi_event {
2983 /* The set of possible button release events */
2984 static struct sonypi_event sonypi_releaseev[] = {
2985 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2989 /* The set of possible jogger events */
2990 static struct sonypi_event sonypi_joggerev[] = {
2991 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2992 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2993 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2994 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2995 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2996 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2997 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2998 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2999 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3000 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3001 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3002 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3003 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3007 /* The set of possible capture button events */
3008 static struct sonypi_event sonypi_captureev[] = {
3009 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3010 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3011 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3012 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3016 /* The set of possible fnkeys events */
3017 static struct sonypi_event sonypi_fnkeyev[] = {
3018 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3019 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3020 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3021 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3022 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3023 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3024 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3025 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3026 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3027 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3028 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3029 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3030 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3031 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3032 { 0x21, SONYPI_EVENT_FNKEY_1 },
3033 { 0x22, SONYPI_EVENT_FNKEY_2 },
3034 { 0x31, SONYPI_EVENT_FNKEY_D },
3035 { 0x32, SONYPI_EVENT_FNKEY_E },
3036 { 0x33, SONYPI_EVENT_FNKEY_F },
3037 { 0x34, SONYPI_EVENT_FNKEY_S },
3038 { 0x35, SONYPI_EVENT_FNKEY_B },
3039 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3043 /* The set of possible program key events */
3044 static struct sonypi_event sonypi_pkeyev[] = {
3045 { 0x01, SONYPI_EVENT_PKEY_P1 },
3046 { 0x02, SONYPI_EVENT_PKEY_P2 },
3047 { 0x04, SONYPI_EVENT_PKEY_P3 },
3048 { 0x20, SONYPI_EVENT_PKEY_P1 },
3052 /* The set of possible bluetooth events */
3053 static struct sonypi_event sonypi_blueev[] = {
3054 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3055 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3056 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3060 /* The set of possible wireless events */
3061 static struct sonypi_event sonypi_wlessev[] = {
3062 { 0x59, SONYPI_EVENT_IGNORE },
3063 { 0x5a, SONYPI_EVENT_IGNORE },
3067 /* The set of possible back button events */
3068 static struct sonypi_event sonypi_backev[] = {
3069 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3073 /* The set of possible help button events */
3074 static struct sonypi_event sonypi_helpev[] = {
3075 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3080 /* The set of possible lid events */
3081 static struct sonypi_event sonypi_lidev[] = {
3082 { 0x51, SONYPI_EVENT_LID_CLOSED },
3083 { 0x50, SONYPI_EVENT_LID_OPENED },
3087 /* The set of possible zoom events */
3088 static struct sonypi_event sonypi_zoomev[] = {
3089 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3090 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3091 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3092 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3096 /* The set of possible thumbphrase events */
3097 static struct sonypi_event sonypi_thumbphraseev[] = {
3098 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3102 /* The set of possible motioneye camera events */
3103 static struct sonypi_event sonypi_meyeev[] = {
3104 { 0x00, SONYPI_EVENT_MEYE_FACE },
3105 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3109 /* The set of possible memorystick events */
3110 static struct sonypi_event sonypi_memorystickev[] = {
3111 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3112 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3116 /* The set of possible battery events */
3117 static struct sonypi_event sonypi_batteryev[] = {
3118 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3119 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3123 /* The set of possible volume events */
3124 static struct sonypi_event sonypi_volumeev[] = {
3125 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3126 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3130 /* The set of possible brightness events */
3131 static struct sonypi_event sonypi_brightnessev[] = {
3132 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3136 static struct sonypi_eventtypes type1_events[] = {
3137 { 0, 0xffffffff, sonypi_releaseev },
3138 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3139 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3140 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3141 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3142 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3143 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3144 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3145 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3146 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3149 static struct sonypi_eventtypes type2_events[] = {
3150 { 0, 0xffffffff, sonypi_releaseev },
3151 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3152 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3153 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3154 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3155 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3156 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3157 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3158 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3159 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3160 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3161 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3162 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3163 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3166 static struct sonypi_eventtypes type3_events[] = {
3167 { 0, 0xffffffff, sonypi_releaseev },
3168 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3169 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3170 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3171 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3172 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3173 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3174 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3175 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3176 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3177 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3181 /* low level spic calls */
3182 #define ITERATIONS_LONG 10000
3183 #define ITERATIONS_SHORT 10
3184 #define wait_on_command(command, iterations) { \
3185 unsigned int n = iterations; \
3186 while (--n && (command)) \
3189 dprintk("command failed at %s : %s (line %d)\n", \
3190 __FILE__, __func__, __LINE__); \
3193 static u8 sony_pic_call1(u8 dev)
3197 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3199 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3200 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3201 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3202 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3206 static u8 sony_pic_call2(u8 dev, u8 fn)
3210 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3212 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3213 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3215 outb(fn, spic_dev.cur_ioport->io1.minimum);
3216 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3217 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3221 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3225 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3226 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3227 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3228 outb(fn, spic_dev.cur_ioport->io1.minimum);
3229 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3230 outb(v, spic_dev.cur_ioport->io1.minimum);
3231 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3232 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3238 * minidrivers for SPIC models
3240 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3243 * 0x31 could mean we have to take some extra action and wait for
3244 * the next irq for some Type3 models, it will generate a new
3245 * irq and we can read new data from the device:
3246 * - 0x5c and 0x5f requires 0xA0
3247 * - 0x61 requires 0xB3
3249 if (data_mask == 0x31) {
3250 if (ev == 0x5c || ev == 0x5f)
3251 sony_pic_call1(0xA0);
3252 else if (ev == 0x61)
3253 sony_pic_call1(0xB3);
3259 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3261 struct pci_dev *pcidev;
3263 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3264 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3266 dev->model = SONYPI_DEVICE_TYPE1;
3267 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3268 dev->event_types = type1_events;
3272 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3273 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3275 dev->model = SONYPI_DEVICE_TYPE2;
3276 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3277 dev->event_types = type2_events;
3281 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3282 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3284 dev->model = SONYPI_DEVICE_TYPE3;
3285 dev->handle_irq = type3_handle_irq;
3286 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3287 dev->event_types = type3_events;
3291 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3292 PCI_DEVICE_ID_INTEL_ICH8_4, 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_ICH9_1, 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;
3312 dev->model = SONYPI_DEVICE_TYPE2;
3313 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3314 dev->event_types = type2_events;
3318 pci_dev_put(pcidev);
3320 pr_info("detected Type%d model\n",
3321 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3322 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3325 /* camera tests and poweron/poweroff */
3326 #define SONYPI_CAMERA_PICTURE 5
3327 #define SONYPI_CAMERA_CONTROL 0x10
3329 #define SONYPI_CAMERA_BRIGHTNESS 0
3330 #define SONYPI_CAMERA_CONTRAST 1
3331 #define SONYPI_CAMERA_HUE 2
3332 #define SONYPI_CAMERA_COLOR 3
3333 #define SONYPI_CAMERA_SHARPNESS 4
3335 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3336 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3337 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3338 #define SONYPI_CAMERA_MUTE_MASK 0x40
3340 /* the rest don't need a loop until not 0xff */
3341 #define SONYPI_CAMERA_AGC 6
3342 #define SONYPI_CAMERA_AGC_MASK 0x30
3343 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3345 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3346 #define SONYPI_CAMERA_CONTROL 0x10
3348 #define SONYPI_CAMERA_STATUS 7
3349 #define SONYPI_CAMERA_STATUS_READY 0x2
3350 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3352 #define SONYPI_DIRECTION_BACKWARDS 0x4
3354 #define SONYPI_CAMERA_REVISION 8
3355 #define SONYPI_CAMERA_ROMVERSION 9
3357 static int __sony_pic_camera_ready(void)
3361 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3362 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3365 static int __sony_pic_camera_off(void)
3368 pr_warn("camera control not enabled\n");
3372 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3373 SONYPI_CAMERA_MUTE_MASK),
3376 if (spic_dev.camera_power) {
3377 sony_pic_call2(0x91, 0);
3378 spic_dev.camera_power = 0;
3383 static int __sony_pic_camera_on(void)
3388 pr_warn("camera control not enabled\n");
3392 if (spic_dev.camera_power)
3395 for (j = 5; j > 0; j--) {
3397 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3399 sony_pic_call1(0x93);
3401 for (i = 400; i > 0; i--) {
3402 if (__sony_pic_camera_ready())
3411 pr_warn("failed to power on camera\n");
3415 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3419 spic_dev.camera_power = 1;
3423 /* External camera command (exported to the motion eye v4l driver) */
3424 int sony_pic_camera_command(int command, u8 value)
3429 mutex_lock(&spic_dev.lock);
3432 case SONY_PIC_COMMAND_SETCAMERA:
3434 __sony_pic_camera_on();
3436 __sony_pic_camera_off();
3438 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3439 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3442 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3443 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3446 case SONY_PIC_COMMAND_SETCAMERAHUE:
3447 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3450 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3451 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3454 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3455 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3458 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3459 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3462 case SONY_PIC_COMMAND_SETCAMERAAGC:
3463 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3467 pr_err("sony_pic_camera_command invalid: %d\n", command);
3470 mutex_unlock(&spic_dev.lock);
3473 EXPORT_SYMBOL(sony_pic_camera_command);
3475 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3476 static void __sony_pic_set_wwanpower(u8 state)
3479 if (spic_dev.wwan_power == state)
3481 sony_pic_call2(0xB0, state);
3482 sony_pic_call1(0x82);
3483 spic_dev.wwan_power = state;
3486 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3487 struct device_attribute *attr,
3488 const char *buffer, size_t count)
3490 unsigned long value;
3494 if (kstrtoul(buffer, 10, &value))
3497 mutex_lock(&spic_dev.lock);
3498 __sony_pic_set_wwanpower(value);
3499 mutex_unlock(&spic_dev.lock);
3504 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3505 struct device_attribute *attr, char *buffer)
3508 mutex_lock(&spic_dev.lock);
3509 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3510 mutex_unlock(&spic_dev.lock);
3514 /* bluetooth subsystem power state */
3515 static void __sony_pic_set_bluetoothpower(u8 state)
3518 if (spic_dev.bluetooth_power == state)
3520 sony_pic_call2(0x96, state);
3521 sony_pic_call1(0x82);
3522 spic_dev.bluetooth_power = state;
3525 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3526 struct device_attribute *attr,
3527 const char *buffer, size_t count)
3529 unsigned long value;
3533 if (kstrtoul(buffer, 10, &value))
3536 mutex_lock(&spic_dev.lock);
3537 __sony_pic_set_bluetoothpower(value);
3538 mutex_unlock(&spic_dev.lock);
3543 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3544 struct device_attribute *attr, char *buffer)
3547 mutex_lock(&spic_dev.lock);
3548 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3549 mutex_unlock(&spic_dev.lock);
3554 /* FAN0 information (reverse engineered from ACPI tables) */
3555 #define SONY_PIC_FAN0_STATUS 0x93
3556 static int sony_pic_set_fanspeed(unsigned long value)
3558 return ec_write(SONY_PIC_FAN0_STATUS, value);
3561 static int sony_pic_get_fanspeed(u8 *value)
3563 return ec_read(SONY_PIC_FAN0_STATUS, value);
3566 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3567 struct device_attribute *attr,
3568 const char *buffer, size_t count)
3570 unsigned long value;
3574 if (kstrtoul(buffer, 10, &value))
3577 if (sony_pic_set_fanspeed(value))
3583 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3584 struct device_attribute *attr, char *buffer)
3587 if (sony_pic_get_fanspeed(&value))
3590 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3593 #define SPIC_ATTR(_name, _mode) \
3594 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3595 _mode, sony_pic_## _name ##_show, \
3596 sony_pic_## _name ##_store)
3598 static SPIC_ATTR(bluetoothpower, 0644);
3599 static SPIC_ATTR(wwanpower, 0644);
3600 static SPIC_ATTR(fanspeed, 0644);
3602 static struct attribute *spic_attributes[] = {
3603 &spic_attr_bluetoothpower.attr,
3604 &spic_attr_wwanpower.attr,
3605 &spic_attr_fanspeed.attr,
3609 static struct attribute_group spic_attribute_group = {
3610 .attrs = spic_attributes
3613 /******** SONYPI compatibility **********/
3614 #ifdef CONFIG_SONYPI_COMPAT
3616 /* battery / brightness / temperature addresses */
3617 #define SONYPI_BAT_FLAGS 0x81
3618 #define SONYPI_LCD_LIGHT 0x96
3619 #define SONYPI_BAT1_PCTRM 0xa0
3620 #define SONYPI_BAT1_LEFT 0xa2
3621 #define SONYPI_BAT1_MAXRT 0xa4
3622 #define SONYPI_BAT2_PCTRM 0xa8
3623 #define SONYPI_BAT2_LEFT 0xaa
3624 #define SONYPI_BAT2_MAXRT 0xac
3625 #define SONYPI_BAT1_MAXTK 0xb0
3626 #define SONYPI_BAT1_FULL 0xb2
3627 #define SONYPI_BAT2_MAXTK 0xb8
3628 #define SONYPI_BAT2_FULL 0xba
3629 #define SONYPI_TEMP_STATUS 0xC1
3631 struct sonypi_compat_s {
3632 struct fasync_struct *fifo_async;
3634 spinlock_t fifo_lock;
3635 wait_queue_head_t fifo_proc_list;
3636 atomic_t open_count;
3638 static struct sonypi_compat_s sonypi_compat = {
3639 .open_count = ATOMIC_INIT(0),
3642 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3644 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3647 static int sonypi_misc_release(struct inode *inode, struct file *file)
3649 atomic_dec(&sonypi_compat.open_count);
3653 static int sonypi_misc_open(struct inode *inode, struct file *file)
3655 /* Flush input queue on first open */
3656 unsigned long flags;
3658 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3660 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3661 kfifo_reset(&sonypi_compat.fifo);
3663 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3668 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3669 size_t count, loff_t *pos)
3674 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3675 (file->f_flags & O_NONBLOCK))
3678 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3679 kfifo_len(&sonypi_compat.fifo) != 0);
3683 while (ret < count &&
3684 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3685 &sonypi_compat.fifo_lock) == sizeof(c))) {
3686 if (put_user(c, buf++))
3692 struct inode *inode = file_inode(file);
3693 inode->i_atime = current_fs_time(inode->i_sb);
3699 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3701 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3702 if (kfifo_len(&sonypi_compat.fifo))
3703 return POLLIN | POLLRDNORM;
3707 static int ec_read16(u8 addr, u16 *value)
3710 if (ec_read(addr, &val_lb))
3712 if (ec_read(addr + 1, &val_hb))
3714 *value = val_lb | (val_hb << 8);
3718 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3722 void __user *argp = (void __user *)arg;
3727 mutex_lock(&spic_dev.lock);
3729 case SONYPI_IOCGBRT:
3730 if (sony_bl_props.dev == NULL) {
3734 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3739 val8 = ((value & 0xff) - 1) << 5;
3740 if (copy_to_user(argp, &val8, sizeof(val8)))
3743 case SONYPI_IOCSBRT:
3744 if (sony_bl_props.dev == NULL) {
3748 if (copy_from_user(&val8, argp, sizeof(val8))) {
3752 value = (val8 >> 5) + 1;
3753 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3758 /* sync the backlight device status */
3759 sony_bl_props.dev->props.brightness =
3760 sony_backlight_get_brightness(sony_bl_props.dev);
3762 case SONYPI_IOCGBAT1CAP:
3763 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3767 if (copy_to_user(argp, &val16, sizeof(val16)))
3770 case SONYPI_IOCGBAT1REM:
3771 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3775 if (copy_to_user(argp, &val16, sizeof(val16)))
3778 case SONYPI_IOCGBAT2CAP:
3779 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3783 if (copy_to_user(argp, &val16, sizeof(val16)))
3786 case SONYPI_IOCGBAT2REM:
3787 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3791 if (copy_to_user(argp, &val16, sizeof(val16)))
3794 case SONYPI_IOCGBATFLAGS:
3795 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3800 if (copy_to_user(argp, &val8, sizeof(val8)))
3803 case SONYPI_IOCGBLUE:
3804 val8 = spic_dev.bluetooth_power;
3805 if (copy_to_user(argp, &val8, sizeof(val8)))
3808 case SONYPI_IOCSBLUE:
3809 if (copy_from_user(&val8, argp, sizeof(val8))) {
3813 __sony_pic_set_bluetoothpower(val8);
3816 case SONYPI_IOCGFAN:
3817 if (sony_pic_get_fanspeed(&val8)) {
3821 if (copy_to_user(argp, &val8, sizeof(val8)))
3824 case SONYPI_IOCSFAN:
3825 if (copy_from_user(&val8, argp, sizeof(val8))) {
3829 if (sony_pic_set_fanspeed(val8))
3832 /* GET Temperature (useful under APM) */
3833 case SONYPI_IOCGTEMP:
3834 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3838 if (copy_to_user(argp, &val8, sizeof(val8)))
3844 mutex_unlock(&spic_dev.lock);
3848 static const struct file_operations sonypi_misc_fops = {
3849 .owner = THIS_MODULE,
3850 .read = sonypi_misc_read,
3851 .poll = sonypi_misc_poll,
3852 .open = sonypi_misc_open,
3853 .release = sonypi_misc_release,
3854 .fasync = sonypi_misc_fasync,
3855 .unlocked_ioctl = sonypi_misc_ioctl,
3856 .llseek = noop_llseek,
3859 static struct miscdevice sonypi_misc_device = {
3860 .minor = MISC_DYNAMIC_MINOR,
3862 .fops = &sonypi_misc_fops,
3865 static void sonypi_compat_report_event(u8 event)
3867 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3868 sizeof(event), &sonypi_compat.fifo_lock);
3869 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3870 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3873 static int sonypi_compat_init(void)
3877 spin_lock_init(&sonypi_compat.fifo_lock);
3879 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3881 pr_err("kfifo_alloc failed\n");
3885 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3888 sonypi_misc_device.minor = minor;
3889 error = misc_register(&sonypi_misc_device);
3891 pr_err("misc_register failed\n");
3892 goto err_free_kfifo;
3895 pr_info("device allocated minor is %d\n",
3896 sonypi_misc_device.minor);
3901 kfifo_free(&sonypi_compat.fifo);
3905 static void sonypi_compat_exit(void)
3907 misc_deregister(&sonypi_misc_device);
3908 kfifo_free(&sonypi_compat.fifo);
3911 static int sonypi_compat_init(void) { return 0; }
3912 static void sonypi_compat_exit(void) { }
3913 static void sonypi_compat_report_event(u8 event) { }
3914 #endif /* CONFIG_SONYPI_COMPAT */
3920 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3923 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3925 switch (resource->type) {
3926 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3928 /* start IO enumeration */
3929 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3933 list_add(&ioport->list, &dev->ioports);
3937 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3938 /* end IO enumeration */
3941 case ACPI_RESOURCE_TYPE_IRQ:
3943 struct acpi_resource_irq *p = &resource->data.irq;
3944 struct sony_pic_irq *interrupt = NULL;
3945 if (!p || !p->interrupt_count) {
3947 * IRQ descriptors may have no IRQ# bits set,
3948 * particularly those those w/ _STA disabled
3950 dprintk("Blank IRQ resource\n");
3953 for (i = 0; i < p->interrupt_count; i++) {
3954 if (!p->interrupts[i]) {
3955 pr_warn("Invalid IRQ %d\n",
3959 interrupt = kzalloc(sizeof(*interrupt),
3964 list_add(&interrupt->list, &dev->interrupts);
3965 interrupt->irq.triggering = p->triggering;
3966 interrupt->irq.polarity = p->polarity;
3967 interrupt->irq.sharable = p->sharable;
3968 interrupt->irq.interrupt_count = 1;
3969 interrupt->irq.interrupts[0] = p->interrupts[i];
3973 case ACPI_RESOURCE_TYPE_IO:
3975 struct acpi_resource_io *io = &resource->data.io;
3976 struct sony_pic_ioport *ioport =
3977 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3979 dprintk("Blank IO resource\n");
3983 if (!ioport->io1.minimum) {
3984 memcpy(&ioport->io1, io, sizeof(*io));
3985 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3986 ioport->io1.address_length);
3988 else if (!ioport->io2.minimum) {
3989 memcpy(&ioport->io2, io, sizeof(*io));
3990 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3991 ioport->io2.address_length);
3994 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4000 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4003 case ACPI_RESOURCE_TYPE_END_TAG:
4006 return AE_CTRL_TERMINATE;
4009 static int sony_pic_possible_resources(struct acpi_device *device)
4012 acpi_status status = AE_OK;
4017 /* get device status */
4018 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4019 dprintk("Evaluating _STA\n");
4020 result = acpi_bus_get_status(device);
4022 pr_warn("Unable to read status\n");
4026 if (!device->status.enabled)
4027 dprintk("Device disabled\n");
4029 dprintk("Device enabled\n");
4032 * Query and parse 'method'
4034 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4035 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4036 sony_pic_read_possible_resource, &spic_dev);
4037 if (ACPI_FAILURE(status)) {
4038 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4046 * Disable the spic device by calling its _DIS method
4048 static int sony_pic_disable(struct acpi_device *device)
4050 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4053 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4056 dprintk("Device disabled\n");
4062 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4064 * Call _SRS to set current resources
4066 static int sony_pic_enable(struct acpi_device *device,
4067 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4071 /* Type 1 resource layout is:
4077 * Type 2 and 3 resource layout is:
4083 struct acpi_resource res1;
4084 struct acpi_resource res2;
4085 struct acpi_resource res3;
4086 struct acpi_resource res4;
4088 struct acpi_buffer buffer = { 0, NULL };
4090 if (!ioport || !irq)
4093 /* init acpi_buffer */
4094 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4098 buffer.length = sizeof(*resource) + 1;
4099 buffer.pointer = resource;
4101 /* setup Type 1 resources */
4102 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4104 /* setup io resources */
4105 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4106 resource->res1.length = sizeof(struct acpi_resource);
4107 memcpy(&resource->res1.data.io, &ioport->io1,
4108 sizeof(struct acpi_resource_io));
4110 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4111 resource->res2.length = sizeof(struct acpi_resource);
4112 memcpy(&resource->res2.data.io, &ioport->io2,
4113 sizeof(struct acpi_resource_io));
4115 /* setup irq resource */
4116 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4117 resource->res3.length = sizeof(struct acpi_resource);
4118 memcpy(&resource->res3.data.irq, &irq->irq,
4119 sizeof(struct acpi_resource_irq));
4120 /* we requested a shared irq */
4121 resource->res3.data.irq.sharable = ACPI_SHARED;
4123 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4124 resource->res4.length = sizeof(struct acpi_resource);
4126 /* setup Type 2/3 resources */
4128 /* setup io resource */
4129 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4130 resource->res1.length = sizeof(struct acpi_resource);
4131 memcpy(&resource->res1.data.io, &ioport->io1,
4132 sizeof(struct acpi_resource_io));
4134 /* setup irq resource */
4135 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4136 resource->res2.length = sizeof(struct acpi_resource);
4137 memcpy(&resource->res2.data.irq, &irq->irq,
4138 sizeof(struct acpi_resource_irq));
4139 /* we requested a shared irq */
4140 resource->res2.data.irq.sharable = ACPI_SHARED;
4142 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4143 resource->res3.length = sizeof(struct acpi_resource);
4146 /* Attempt to set the resource */
4147 dprintk("Evaluating _SRS\n");
4148 status = acpi_set_current_resources(device->handle, &buffer);
4150 /* check for total failure */
4151 if (ACPI_FAILURE(status)) {
4152 pr_err("Error evaluating _SRS\n");
4157 /* Necessary device initializations calls (from sonypi) */
4158 sony_pic_call1(0x82);
4159 sony_pic_call2(0x81, 0xff);
4160 sony_pic_call1(compat ? 0x92 : 0x82);
4169 * ISR: some event is available
4172 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4177 u8 device_event = 0;
4179 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4181 ev = inb_p(dev->cur_ioport->io1.minimum);
4182 if (dev->cur_ioport->io2.minimum)
4183 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4185 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4186 dev->evport_offset);
4188 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4189 ev, data_mask, dev->cur_ioport->io1.minimum,
4190 dev->evport_offset);
4192 if (ev == 0x00 || ev == 0xff)
4195 for (i = 0; dev->event_types[i].mask; i++) {
4197 if ((data_mask & dev->event_types[i].data) !=
4198 dev->event_types[i].data)
4201 if (!(mask & dev->event_types[i].mask))
4204 for (j = 0; dev->event_types[i].events[j].event; j++) {
4205 if (ev == dev->event_types[i].events[j].data) {
4207 dev->event_types[i].events[j].event;
4208 /* some events may require ignoring */
4215 /* Still not able to decode the event try to pass
4216 * it over to the minidriver
4218 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4221 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4222 ev, data_mask, dev->cur_ioport->io1.minimum,
4223 dev->evport_offset);
4227 sony_laptop_report_input_event(device_event);
4228 sonypi_compat_report_event(device_event);
4237 static int sony_pic_remove(struct acpi_device *device)
4239 struct sony_pic_ioport *io, *tmp_io;
4240 struct sony_pic_irq *irq, *tmp_irq;
4242 if (sony_pic_disable(device)) {
4243 pr_err("Couldn't disable device\n");
4247 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4248 release_region(spic_dev.cur_ioport->io1.minimum,
4249 spic_dev.cur_ioport->io1.address_length);
4250 if (spic_dev.cur_ioport->io2.minimum)
4251 release_region(spic_dev.cur_ioport->io2.minimum,
4252 spic_dev.cur_ioport->io2.address_length);
4254 sonypi_compat_exit();
4256 sony_laptop_remove_input();
4259 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4262 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4263 list_del(&io->list);
4266 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4267 list_del(&irq->list);
4270 spic_dev.cur_ioport = NULL;
4271 spic_dev.cur_irq = NULL;
4273 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4277 static int sony_pic_add(struct acpi_device *device)
4280 struct sony_pic_ioport *io, *tmp_io;
4281 struct sony_pic_irq *irq, *tmp_irq;
4283 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4285 spic_dev.acpi_dev = device;
4286 strcpy(acpi_device_class(device), "sony/hotkey");
4287 sony_pic_detect_device_type(&spic_dev);
4288 mutex_init(&spic_dev.lock);
4290 /* read _PRS resources */
4291 result = sony_pic_possible_resources(device);
4293 pr_err("Unable to read possible resources\n");
4294 goto err_free_resources;
4297 /* setup input devices and helper fifo */
4298 result = sony_laptop_setup_input(device);
4300 pr_err("Unable to create input devices\n");
4301 goto err_free_resources;
4304 result = sonypi_compat_init();
4306 goto err_remove_input;
4308 /* request io port */
4309 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4310 if (request_region(io->io1.minimum, io->io1.address_length,
4311 "Sony Programmable I/O Device")) {
4312 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4313 io->io1.minimum, io->io1.maximum,
4314 io->io1.address_length);
4315 /* Type 1 have 2 ioports */
4316 if (io->io2.minimum) {
4317 if (request_region(io->io2.minimum,
4318 io->io2.address_length,
4319 "Sony Programmable I/O Device")) {
4320 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4321 io->io2.minimum, io->io2.maximum,
4322 io->io2.address_length);
4323 spic_dev.cur_ioport = io;
4327 dprintk("Unable to get I/O port2: "
4328 "0x%.4x (0x%.4x) + 0x%.2x\n",
4329 io->io2.minimum, io->io2.maximum,
4330 io->io2.address_length);
4331 release_region(io->io1.minimum,
4332 io->io1.address_length);
4336 spic_dev.cur_ioport = io;
4341 if (!spic_dev.cur_ioport) {
4342 pr_err("Failed to request_region\n");
4344 goto err_remove_compat;
4348 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4349 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4350 0, "sony-laptop", &spic_dev)) {
4351 dprintk("IRQ: %d - triggering: %d - "
4352 "polarity: %d - shr: %d\n",
4353 irq->irq.interrupts[0],
4354 irq->irq.triggering,
4357 spic_dev.cur_irq = irq;
4361 if (!spic_dev.cur_irq) {
4362 pr_err("Failed to request_irq\n");
4364 goto err_release_region;
4367 /* set resource status _SRS */
4368 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4370 pr_err("Couldn't enable device\n");
4374 spic_dev.bluetooth_power = -1;
4375 /* create device attributes */
4376 result = sony_pf_add();
4378 goto err_disable_device;
4380 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4390 sony_pic_disable(device);
4393 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4396 release_region(spic_dev.cur_ioport->io1.minimum,
4397 spic_dev.cur_ioport->io1.address_length);
4398 if (spic_dev.cur_ioport->io2.minimum)
4399 release_region(spic_dev.cur_ioport->io2.minimum,
4400 spic_dev.cur_ioport->io2.address_length);
4403 sonypi_compat_exit();
4406 sony_laptop_remove_input();
4409 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4410 list_del(&io->list);
4413 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4414 list_del(&irq->list);
4417 spic_dev.cur_ioport = NULL;
4418 spic_dev.cur_irq = NULL;
4423 #ifdef CONFIG_PM_SLEEP
4424 static int sony_pic_suspend(struct device *dev)
4426 if (sony_pic_disable(to_acpi_device(dev)))
4431 static int sony_pic_resume(struct device *dev)
4433 sony_pic_enable(to_acpi_device(dev),
4434 spic_dev.cur_ioport, spic_dev.cur_irq);
4439 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4441 static const struct acpi_device_id sony_pic_device_ids[] = {
4446 static struct acpi_driver sony_pic_driver = {
4447 .name = SONY_PIC_DRIVER_NAME,
4448 .class = SONY_PIC_CLASS,
4449 .ids = sony_pic_device_ids,
4450 .owner = THIS_MODULE,
4452 .add = sony_pic_add,
4453 .remove = sony_pic_remove,
4455 .drv.pm = &sony_pic_pm,
4458 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4460 .ident = "Sony Vaio",
4462 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4463 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4467 .ident = "Sony Vaio",
4469 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4470 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4476 static int __init sony_laptop_init(void)
4480 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4481 result = acpi_bus_register_driver(&sony_pic_driver);
4483 pr_err("Unable to register SPIC driver\n");
4486 spic_drv_registered = 1;
4489 result = acpi_bus_register_driver(&sony_nc_driver);
4491 pr_err("Unable to register SNC driver\n");
4492 goto out_unregister_pic;
4498 if (spic_drv_registered)
4499 acpi_bus_unregister_driver(&sony_pic_driver);
4504 static void __exit sony_laptop_exit(void)
4506 acpi_bus_unregister_driver(&sony_nc_driver);
4507 if (spic_drv_registered)
4508 acpi_bus_unregister_driver(&sony_pic_driver);
4511 module_init(sony_laptop_init);
4512 module_exit(sony_laptop_exit);