2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
10 * The SNY6001 driver part is based on the sonypi driver which includes
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
17 * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
47 #include <linux/kernel.h>
48 #include <linux/module.h>
49 #include <linux/moduleparam.h>
50 #include <linux/init.h>
51 #include <linux/types.h>
52 #include <linux/backlight.h>
53 #include <linux/platform_device.h>
54 #include <linux/err.h>
55 #include <linux/dmi.h>
56 #include <linux/pci.h>
57 #include <linux/interrupt.h>
58 #include <linux/delay.h>
59 #include <linux/input.h>
60 #include <linux/kfifo.h>
61 #include <linux/workqueue.h>
62 #include <linux/acpi.h>
63 #include <linux/slab.h>
64 #include <acpi/acpi_drivers.h>
65 #include <acpi/acpi_bus.h>
66 #include <asm/uaccess.h>
67 #include <linux/sonypi.h>
68 #include <linux/sony-laptop.h>
69 #include <linux/rfkill.h>
70 #ifdef CONFIG_SONYPI_COMPAT
71 #include <linux/poll.h>
72 #include <linux/miscdevice.h>
75 #define dprintk(fmt, ...) \
78 pr_warn(fmt, ##__VA_ARGS__); \
81 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
83 #define SONY_NC_CLASS "sony-nc"
84 #define SONY_NC_HID "SNY5001"
85 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
87 #define SONY_PIC_CLASS "sony-pic"
88 #define SONY_PIC_HID "SNY6001"
89 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
91 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
92 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
93 MODULE_LICENSE("GPL");
94 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
97 module_param(debug, int, 0);
98 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
99 "the development of this driver");
101 static int no_spic; /* = 0 */
102 module_param(no_spic, int, 0444);
103 MODULE_PARM_DESC(no_spic,
104 "set this if you don't want to enable the SPIC device");
106 static int compat; /* = 0 */
107 module_param(compat, int, 0444);
108 MODULE_PARM_DESC(compat,
109 "set this if you want to enable backward compatibility mode");
111 static unsigned long mask = 0xffffffff;
112 module_param(mask, ulong, 0644);
113 MODULE_PARM_DESC(mask,
114 "set this to the mask of event you want to enable (see doc)");
116 static int camera; /* = 0 */
117 module_param(camera, int, 0444);
118 MODULE_PARM_DESC(camera,
119 "set this to 1 to enable Motion Eye camera controls "
120 "(only use it if you have a C1VE or C1VN model)");
122 #ifdef CONFIG_SONYPI_COMPAT
123 static int minor = -1;
124 module_param(minor, int, 0);
125 MODULE_PARM_DESC(minor,
126 "minor number of the misc device for the SPIC compatibility code, "
127 "default is -1 (automatic)");
130 static int kbd_backlight = 1;
131 module_param(kbd_backlight, int, 0444);
132 MODULE_PARM_DESC(kbd_backlight,
133 "set this to 0 to disable keyboard backlight, "
134 "1 to enable it (default: 0)");
136 static int kbd_backlight_timeout; /* = 0 */
137 module_param(kbd_backlight_timeout, int, 0444);
138 MODULE_PARM_DESC(kbd_backlight_timeout,
139 "set this to 0 to set the default 10 seconds timeout, "
140 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
143 static void sony_nc_kbd_backlight_resume(void);
144 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
145 unsigned int handle);
146 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
148 static int sony_nc_battery_care_setup(struct platform_device *pd,
149 unsigned int handle);
150 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
152 static int sony_nc_thermal_setup(struct platform_device *pd);
153 static void sony_nc_thermal_cleanup(struct platform_device *pd);
154 static void sony_nc_thermal_resume(void);
156 static int sony_nc_lid_resume_setup(struct platform_device *pd);
157 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
159 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
160 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
162 static int sony_nc_touchpad_setup(struct platform_device *pd,
163 unsigned int handle);
164 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
166 enum sony_nc_rfkill {
174 static int sony_rfkill_handle;
175 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
176 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
177 static int sony_nc_rfkill_setup(struct acpi_device *device,
178 unsigned int handle);
179 static void sony_nc_rfkill_cleanup(void);
180 static void sony_nc_rfkill_update(void);
182 /*********** Input Devices ***********/
184 #define SONY_LAPTOP_BUF_SIZE 128
185 struct sony_laptop_input_s {
187 struct input_dev *jog_dev;
188 struct input_dev *key_dev;
190 spinlock_t fifo_lock;
191 struct timer_list release_key_timer;
194 static struct sony_laptop_input_s sony_laptop_input = {
195 .users = ATOMIC_INIT(0),
198 struct sony_laptop_keypress {
199 struct input_dev *dev;
203 /* Correspondance table between sonypi events
204 * and input layer indexes in the keymap
206 static int sony_laptop_input_index[] = {
208 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
209 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
210 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
211 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
212 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
213 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
214 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
215 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
216 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
217 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
218 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
219 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
220 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
221 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
222 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
223 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
224 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
225 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
226 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
227 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
228 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
229 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
230 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
231 17, /* 24 SONYPI_EVENT_FNKEY_1 */
232 18, /* 25 SONYPI_EVENT_FNKEY_2 */
233 19, /* 26 SONYPI_EVENT_FNKEY_D */
234 20, /* 27 SONYPI_EVENT_FNKEY_E */
235 21, /* 28 SONYPI_EVENT_FNKEY_F */
236 22, /* 29 SONYPI_EVENT_FNKEY_S */
237 23, /* 30 SONYPI_EVENT_FNKEY_B */
238 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
239 25, /* 32 SONYPI_EVENT_PKEY_P1 */
240 26, /* 33 SONYPI_EVENT_PKEY_P2 */
241 27, /* 34 SONYPI_EVENT_PKEY_P3 */
242 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
243 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
244 -1, /* 37 SONYPI_EVENT_LID_OPENED */
245 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
246 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
247 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
248 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
249 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
250 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
251 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
252 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
253 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
254 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
255 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
256 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
257 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
258 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
259 43, /* 52 SONYPI_EVENT_MEYE_FACE */
260 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
261 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
262 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
263 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
264 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
265 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
266 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
267 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
268 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
269 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
270 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
271 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
272 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
273 53, /* 66 SONYPI_EVENT_PKEY_P4 */
274 54, /* 67 SONYPI_EVENT_PKEY_P5 */
275 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
276 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
277 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
278 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
279 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
280 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
283 static int sony_laptop_input_keycode_map[] = {
284 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
285 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
286 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
287 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
288 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
289 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
290 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
291 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
292 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
293 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
294 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
295 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
296 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
297 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
298 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
299 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
300 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
301 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
302 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
303 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
304 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
305 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
306 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
307 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
308 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
309 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
310 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
311 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
312 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
313 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
314 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
315 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
316 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
317 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
318 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
319 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
320 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
321 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
322 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
323 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
324 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
325 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
326 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
327 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
328 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
329 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
330 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
331 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
332 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
333 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
334 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
335 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
336 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
337 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
338 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
339 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
340 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
341 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
342 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
343 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
346 /* release buttons after a short delay if pressed */
347 static void do_sony_laptop_release_key(unsigned long unused)
349 struct sony_laptop_keypress kp;
352 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
354 if (kfifo_out(&sony_laptop_input.fifo,
355 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
356 input_report_key(kp.dev, kp.key, 0);
360 /* If there is something in the fifo schedule next release. */
361 if (kfifo_len(&sony_laptop_input.fifo) != 0)
362 mod_timer(&sony_laptop_input.release_key_timer,
363 jiffies + msecs_to_jiffies(10));
365 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
368 /* forward event to the input subsystem */
369 static void sony_laptop_report_input_event(u8 event)
371 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
372 struct input_dev *key_dev = sony_laptop_input.key_dev;
373 struct sony_laptop_keypress kp = { NULL };
376 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
377 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
378 /* Nothing, not all VAIOs generate this event */
385 case SONYPI_EVENT_JOGDIAL_UP:
386 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
387 input_report_rel(jog_dev, REL_WHEEL, 1);
391 case SONYPI_EVENT_JOGDIAL_DOWN:
392 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
393 input_report_rel(jog_dev, REL_WHEEL, -1);
398 case SONYPI_EVENT_JOGDIAL_PRESSED:
404 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
405 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
408 if ((scancode = sony_laptop_input_index[event]) != -1) {
409 kp.key = sony_laptop_input_keycode_map[scancode];
410 if (kp.key != KEY_UNKNOWN)
417 /* if we have a scancode we emit it so we can always
420 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
421 input_report_key(kp.dev, kp.key, 1);
424 /* schedule key release */
425 kfifo_in_locked(&sony_laptop_input.fifo,
426 (unsigned char *)&kp, sizeof(kp),
427 &sony_laptop_input.fifo_lock);
428 mod_timer(&sony_laptop_input.release_key_timer,
429 jiffies + msecs_to_jiffies(10));
431 dprintk("unknown input event %.2x\n", event);
434 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
436 struct input_dev *jog_dev;
437 struct input_dev *key_dev;
441 /* don't run again if already initialized */
442 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
446 spin_lock_init(&sony_laptop_input.fifo_lock);
447 error = kfifo_alloc(&sony_laptop_input.fifo,
448 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
450 pr_err("kfifo_alloc failed\n");
454 setup_timer(&sony_laptop_input.release_key_timer,
455 do_sony_laptop_release_key, 0);
458 key_dev = input_allocate_device();
464 key_dev->name = "Sony Vaio Keys";
465 key_dev->id.bustype = BUS_ISA;
466 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
467 key_dev->dev.parent = &acpi_device->dev;
469 /* Initialize the Input Drivers: special keys */
470 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
472 __set_bit(EV_KEY, key_dev->evbit);
473 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
474 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
475 key_dev->keycode = &sony_laptop_input_keycode_map;
476 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
477 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
478 __clear_bit(KEY_RESERVED, key_dev->keybit);
480 error = input_register_device(key_dev);
482 goto err_free_keydev;
484 sony_laptop_input.key_dev = key_dev;
487 jog_dev = input_allocate_device();
490 goto err_unregister_keydev;
493 jog_dev->name = "Sony Vaio Jogdial";
494 jog_dev->id.bustype = BUS_ISA;
495 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
496 jog_dev->dev.parent = &acpi_device->dev;
498 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
499 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
501 error = input_register_device(jog_dev);
503 goto err_free_jogdev;
505 sony_laptop_input.jog_dev = jog_dev;
510 input_free_device(jog_dev);
512 err_unregister_keydev:
513 input_unregister_device(key_dev);
514 /* to avoid kref underflow below at input_free_device */
518 input_free_device(key_dev);
521 kfifo_free(&sony_laptop_input.fifo);
524 atomic_dec(&sony_laptop_input.users);
528 static void sony_laptop_remove_input(void)
530 struct sony_laptop_keypress kp = { NULL };
532 /* Cleanup only after the last user has gone */
533 if (!atomic_dec_and_test(&sony_laptop_input.users))
536 del_timer_sync(&sony_laptop_input.release_key_timer);
539 * Generate key-up events for remaining keys. Note that we don't
540 * need locking since nobody is adding new events to the kfifo.
542 while (kfifo_out(&sony_laptop_input.fifo,
543 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
544 input_report_key(kp.dev, kp.key, 0);
548 /* destroy input devs */
549 input_unregister_device(sony_laptop_input.key_dev);
550 sony_laptop_input.key_dev = NULL;
552 if (sony_laptop_input.jog_dev) {
553 input_unregister_device(sony_laptop_input.jog_dev);
554 sony_laptop_input.jog_dev = NULL;
557 kfifo_free(&sony_laptop_input.fifo);
560 /*********** Platform Device ***********/
562 static atomic_t sony_pf_users = ATOMIC_INIT(0);
563 static struct platform_driver sony_pf_driver = {
565 .name = "sony-laptop",
566 .owner = THIS_MODULE,
569 static struct platform_device *sony_pf_device;
571 static int sony_pf_add(void)
575 /* don't run again if already initialized */
576 if (atomic_add_return(1, &sony_pf_users) > 1)
579 ret = platform_driver_register(&sony_pf_driver);
583 sony_pf_device = platform_device_alloc("sony-laptop", -1);
584 if (!sony_pf_device) {
586 goto out_platform_registered;
589 ret = platform_device_add(sony_pf_device);
591 goto out_platform_alloced;
595 out_platform_alloced:
596 platform_device_put(sony_pf_device);
597 sony_pf_device = NULL;
598 out_platform_registered:
599 platform_driver_unregister(&sony_pf_driver);
601 atomic_dec(&sony_pf_users);
605 static void sony_pf_remove(void)
607 /* deregister only after the last user has gone */
608 if (!atomic_dec_and_test(&sony_pf_users))
611 platform_device_unregister(sony_pf_device);
612 platform_driver_unregister(&sony_pf_driver);
615 /*********** SNC (SNY5001) Device ***********/
617 /* the device uses 1-based values, while the backlight subsystem uses
619 #define SONY_MAX_BRIGHTNESS 8
621 #define SNC_VALIDATE_IN 0
622 #define SNC_VALIDATE_OUT 1
624 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
626 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
627 const char *, size_t);
628 static int boolean_validate(const int, const int);
629 static int brightness_default_validate(const int, const int);
631 struct sony_nc_value {
632 char *name; /* name of the entry */
633 char **acpiget; /* names of the ACPI get function */
634 char **acpiset; /* names of the ACPI set function */
635 int (*validate)(const int, const int); /* input/output validation */
636 int value; /* current setting */
637 int valid; /* Has ever been set */
638 int debug; /* active only in debug mode ? */
639 struct device_attribute devattr; /* sysfs attribute */
642 #define SNC_HANDLE_NAMES(_name, _values...) \
643 static char *snc_##_name[] = { _values, NULL }
645 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
647 .name = __stringify(_name), \
648 .acpiget = _getters, \
649 .acpiset = _setters, \
650 .validate = _validate, \
652 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
655 #define SNC_HANDLE_NULL { .name = NULL }
657 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
659 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
660 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
662 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
663 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
665 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
666 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
668 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
669 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
671 SNC_HANDLE_NAMES(lidstate_get, "GLID");
673 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
674 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
676 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
677 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
679 SNC_HANDLE_NAMES(PID_get, "GPID");
681 SNC_HANDLE_NAMES(CTR_get, "GCTR");
682 SNC_HANDLE_NAMES(CTR_set, "SCTR");
684 SNC_HANDLE_NAMES(PCR_get, "GPCR");
685 SNC_HANDLE_NAMES(PCR_set, "SPCR");
687 SNC_HANDLE_NAMES(CMI_get, "GCMI");
688 SNC_HANDLE_NAMES(CMI_set, "SCMI");
690 static struct sony_nc_value sony_nc_values[] = {
691 SNC_HANDLE(brightness_default, snc_brightness_def_get,
692 snc_brightness_def_set, brightness_default_validate, 0),
693 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
694 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
695 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
696 boolean_validate, 0),
697 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
698 boolean_validate, 1),
699 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
700 boolean_validate, 0),
701 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
702 boolean_validate, 0),
703 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
704 boolean_validate, 0),
705 /* unknown methods */
706 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
707 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
708 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
709 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
713 static acpi_handle sony_nc_acpi_handle;
714 static struct acpi_device *sony_nc_acpi_device = NULL;
717 * acpi_evaluate_object wrappers
718 * all useful calls into SNC methods take one or zero parameters and return
719 * integers or arrays.
721 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
724 union acpi_object *result = NULL;
725 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
729 struct acpi_object_list params;
730 union acpi_object in;
731 in.type = ACPI_TYPE_INTEGER;
732 in.integer.value = *value;
734 params.pointer = ∈
735 status = acpi_evaluate_object(handle, method, ¶ms, &output);
736 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
737 (unsigned int)(*value >> 32),
738 (unsigned int)*value & 0xffffffff);
740 status = acpi_evaluate_object(handle, method, NULL, &output);
741 dprintk("__call_snc_method: [%s]\n", method);
744 if (ACPI_FAILURE(status)) {
745 pr_err("Failed to evaluate [%s]\n", method);
749 result = (union acpi_object *) output.pointer;
751 dprintk("No return object [%s]\n", method);
756 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
759 union acpi_object *object = NULL;
762 object = __call_snc_method(handle, name, &v);
764 object = __call_snc_method(handle, name, NULL);
769 if (object->type != ACPI_TYPE_INTEGER) {
770 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
771 ACPI_TYPE_INTEGER, object->type);
777 *result = object->integer.value;
783 #define MIN(a, b) (a > b ? b : a)
784 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
785 void *buffer, size_t buflen)
788 union acpi_object *object = __call_snc_method(handle, name, value);
793 if (object->type == ACPI_TYPE_BUFFER)
794 len = MIN(buflen, object->buffer.length);
796 else if (object->type == ACPI_TYPE_INTEGER)
797 len = MIN(buflen, sizeof(object->integer.value));
800 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
801 ACPI_TYPE_BUFFER, object->type);
806 memcpy(buffer, object->buffer.pointer, len);
811 struct sony_nc_handles {
813 struct device_attribute devattr;
816 static struct sony_nc_handles *handles;
818 static ssize_t sony_nc_handles_show(struct device *dev,
819 struct device_attribute *attr, char *buffer)
824 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
825 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
828 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
833 static int sony_nc_handles_setup(struct platform_device *pd)
835 int i, r, result, arg;
837 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
841 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
843 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
846 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
848 handles->cap[i] = result;
853 sysfs_attr_init(&handles->devattr.attr);
854 handles->devattr.attr.name = "handles";
855 handles->devattr.attr.mode = S_IRUGO;
856 handles->devattr.show = sony_nc_handles_show;
858 /* allow reading capabilities via sysfs */
859 if (device_create_file(&pd->dev, &handles->devattr)) {
869 static int sony_nc_handles_cleanup(struct platform_device *pd)
873 device_remove_file(&pd->dev, &handles->devattr);
880 static int sony_find_snc_handle(int handle)
884 /* not initialized yet, return early */
885 if (!handles || !handle)
888 for (i = 0; i < 0x10; i++) {
889 if (handles->cap[i] == handle) {
890 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
895 dprintk("handle 0x%.4x not found\n", handle);
899 static int sony_call_snc_handle(int handle, int argument, int *result)
902 int offset = sony_find_snc_handle(handle);
907 arg = offset | argument;
908 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
909 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
914 * sony_nc_values input/output validate functions
917 /* brightness_default_validate:
919 * manipulate input output values to keep consistency with the
920 * backlight framework for which brightness values are 0-based.
922 static int brightness_default_validate(const int direction, const int value)
925 case SNC_VALIDATE_OUT:
927 case SNC_VALIDATE_IN:
928 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
936 * on input validate boolean values 0/1, on output just pass the
939 static int boolean_validate(const int direction, const int value)
941 if (direction == SNC_VALIDATE_IN) {
942 if (value != 0 && value != 1)
949 * Sysfs show/store common to all sony_nc_values
951 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
955 struct sony_nc_value *item =
956 container_of(attr, struct sony_nc_value, devattr);
961 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
967 value = item->validate(SNC_VALIDATE_OUT, value);
969 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
972 static ssize_t sony_nc_sysfs_store(struct device *dev,
973 struct device_attribute *attr,
974 const char *buffer, size_t count)
978 struct sony_nc_value *item =
979 container_of(attr, struct sony_nc_value, devattr);
987 if (kstrtoint(buffer, 10, &value))
991 value = item->validate(SNC_VALIDATE_IN, value);
996 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1001 item->value = value;
1010 struct sony_backlight_props {
1011 struct backlight_device *dev;
1017 struct sony_backlight_props sony_bl_props;
1019 static int sony_backlight_update_status(struct backlight_device *bd)
1021 int arg = bd->props.brightness + 1;
1022 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1025 static int sony_backlight_get_brightness(struct backlight_device *bd)
1029 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1031 /* brightness levels are 1-based, while backlight ones are 0-based */
1035 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1038 struct sony_backlight_props *sdev =
1039 (struct sony_backlight_props *)bl_get_data(bd);
1041 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1043 return (result & 0xff) - sdev->offset;
1046 static int sony_nc_update_status_ng(struct backlight_device *bd)
1049 struct sony_backlight_props *sdev =
1050 (struct sony_backlight_props *)bl_get_data(bd);
1052 value = bd->props.brightness + sdev->offset;
1053 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1060 static const struct backlight_ops sony_backlight_ops = {
1061 .options = BL_CORE_SUSPENDRESUME,
1062 .update_status = sony_backlight_update_status,
1063 .get_brightness = sony_backlight_get_brightness,
1065 static const struct backlight_ops sony_backlight_ng_ops = {
1066 .options = BL_CORE_SUSPENDRESUME,
1067 .update_status = sony_nc_update_status_ng,
1068 .get_brightness = sony_nc_get_brightness_ng,
1072 * New SNC-only Vaios event mapping to driver known keys
1074 struct sony_nc_event {
1079 static struct sony_nc_event sony_100_events[] = {
1080 { 0x90, SONYPI_EVENT_PKEY_P1 },
1081 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1082 { 0x91, SONYPI_EVENT_PKEY_P2 },
1083 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1084 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1085 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1086 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1087 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1088 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1089 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1090 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1091 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1092 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1093 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1094 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1095 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1096 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1097 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1098 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1099 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1100 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1101 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1102 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1103 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1104 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1105 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1106 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1107 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1108 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1109 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1110 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1111 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1112 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1113 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1114 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1115 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1116 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1117 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1118 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1119 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1123 static struct sony_nc_event sony_127_events[] = {
1124 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1125 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1126 { 0x82, SONYPI_EVENT_PKEY_P1 },
1127 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1128 { 0x83, SONYPI_EVENT_PKEY_P2 },
1129 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1130 { 0x84, SONYPI_EVENT_PKEY_P3 },
1131 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1132 { 0x85, SONYPI_EVENT_PKEY_P4 },
1133 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1134 { 0x86, SONYPI_EVENT_PKEY_P5 },
1135 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1136 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1137 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1144 unsigned int result = 0;
1145 struct sony_nc_event *key_event;
1147 if (sony_call_snc_handle(handle, 0x200, &result)) {
1148 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1155 if (handle == 0x0100)
1156 key_event = sony_100_events;
1158 key_event = sony_127_events;
1160 for (; key_event->data; key_event++) {
1161 if (key_event->data == result) {
1162 ret = key_event->event;
1167 if (!key_event->data)
1168 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1169 event, result, handle);
1182 static void sony_nc_notify(struct acpi_device *device, u32 event)
1184 u32 real_ev = event;
1186 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1188 if (event >= 0x90) {
1189 unsigned int result = 0;
1190 unsigned int arg = 0;
1191 unsigned int handle = 0;
1192 unsigned int offset = event - 0x90;
1194 if (offset >= ARRAY_SIZE(handles->cap)) {
1195 pr_err("Event 0x%x outside of capabilities list\n",
1199 handle = handles->cap[offset];
1201 /* list of handles known for generating events */
1207 real_ev = sony_nc_hotkeys_decode(event, handle);
1210 sony_laptop_report_input_event(real_ev);
1212 /* restore the original event for reporting */
1220 /* events on this handle are reported when the
1221 * switch changes position or for battery
1222 * events. We'll notify both of them but only
1223 * update the rfkill device status when the
1226 ev_type = KILLSWITCH;
1227 sony_call_snc_handle(handle, 0x0100, &result);
1228 real_ev = result & 0x03;
1230 /* hw switch event */
1232 sony_nc_rfkill_update();
1238 /* Hybrid GFX switching */
1239 sony_call_snc_handle(handle, 0x0000, &result);
1240 dprintk("GFX switch event received (reason: %s)\n",
1242 "switch change" : "unknown");
1244 /* verify the switch state
1248 sony_call_snc_handle(handle, 0x0100, &result);
1250 ev_type = GFX_SWITCH;
1251 real_ev = result & 0xff;
1255 dprintk("Unknown event 0x%x for handle 0x%x\n",
1260 /* clear the event (and the event reason when present) */
1262 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1265 /* old style event */
1267 sony_laptop_report_input_event(real_ev);
1270 acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev);
1272 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1273 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1276 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1277 void *context, void **return_value)
1279 struct acpi_device_info *info;
1281 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1282 pr_warn("method: name: %4.4s, args %X\n",
1283 (char *)&info->name, info->param_count);
1294 static void sony_nc_function_setup(struct acpi_device *device,
1295 struct platform_device *pf_device)
1297 unsigned int i, result, bitmask, arg;
1302 /* setup found handles here */
1303 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1304 unsigned int handle = handles->cap[i];
1309 dprintk("setting up handle 0x%.4x\n", handle);
1316 sony_call_snc_handle(handle, 0, &result);
1320 sony_call_snc_handle(handle, 0x100, &result);
1324 /* touchpad enable/disable */
1325 result = sony_nc_touchpad_setup(pf_device, handle);
1327 pr_err("couldn't set up touchpad control function (%d)\n",
1333 result = sony_nc_battery_care_setup(pf_device, handle);
1335 pr_err("couldn't set up battery care function (%d)\n",
1339 result = sony_nc_lid_resume_setup(pf_device);
1341 pr_err("couldn't set up lid resume function (%d)\n",
1345 result = sony_nc_thermal_setup(pf_device);
1347 pr_err("couldn't set up thermal profile function (%d)\n",
1351 result = sony_nc_highspeed_charging_setup(pf_device);
1353 pr_err("couldn't set up high speed charging function (%d)\n",
1358 result = sony_nc_rfkill_setup(device, handle);
1360 pr_err("couldn't set up rfkill support (%d)\n",
1365 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1367 pr_err("couldn't set up keyboard backlight function (%d)\n",
1375 /* Enable all events */
1377 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1378 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1382 static void sony_nc_function_cleanup(struct platform_device *pd)
1384 unsigned int i, result, bitmask, handle;
1386 /* get enabled events and disable them */
1387 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1388 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1390 /* cleanup handles here */
1391 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1393 handle = handles->cap[i];
1401 sony_nc_touchpad_cleanup(pd);
1406 sony_nc_battery_care_cleanup(pd);
1409 sony_nc_lid_resume_cleanup(pd);
1412 sony_nc_thermal_cleanup(pd);
1415 sony_nc_highspeed_charging_cleanup(pd);
1419 sony_nc_rfkill_cleanup();
1423 sony_nc_kbd_backlight_cleanup(pd);
1430 /* finally cleanup the handles list */
1431 sony_nc_handles_cleanup(pd);
1434 static void sony_nc_function_resume(void)
1436 unsigned int i, result, bitmask, arg;
1438 dprintk("Resuming SNC device\n");
1440 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1441 unsigned int handle = handles->cap[i];
1450 /* re-enable hotkeys */
1451 sony_call_snc_handle(handle, 0, &result);
1454 /* re-enable hotkeys */
1455 sony_call_snc_handle(handle, 0x100, &result);
1458 sony_nc_thermal_resume();
1462 sony_nc_rfkill_update();
1466 sony_nc_kbd_backlight_resume();
1473 /* Enable all events */
1475 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1476 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1480 static int sony_nc_resume(struct device *dev)
1482 struct sony_nc_value *item;
1485 for (item = sony_nc_values; item->name; item++) {
1490 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1491 &item->value, NULL);
1493 pr_err("%s: %d\n", __func__, ret);
1498 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1501 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1502 dprintk("ECON Method failed\n");
1505 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1507 sony_nc_function_resume();
1512 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1514 static void sony_nc_rfkill_cleanup(void)
1518 for (i = 0; i < N_SONY_RFKILL; i++) {
1519 if (sony_rfkill_devices[i]) {
1520 rfkill_unregister(sony_rfkill_devices[i]);
1521 rfkill_destroy(sony_rfkill_devices[i]);
1526 static int sony_nc_rfkill_set(void *data, bool blocked)
1529 int argument = sony_rfkill_address[(long) data] + 0x100;
1532 argument |= 0x030000;
1534 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1537 static const struct rfkill_ops sony_rfkill_ops = {
1538 .set_block = sony_nc_rfkill_set,
1541 static int sony_nc_setup_rfkill(struct acpi_device *device,
1542 enum sony_nc_rfkill nc_type)
1546 enum rfkill_type type;
1549 bool hwblock, swblock;
1553 type = RFKILL_TYPE_WLAN;
1556 case SONY_BLUETOOTH:
1557 type = RFKILL_TYPE_BLUETOOTH;
1558 name = "sony-bluetooth";
1561 type = RFKILL_TYPE_WWAN;
1565 type = RFKILL_TYPE_WIMAX;
1566 name = "sony-wimax";
1572 rfk = rfkill_alloc(name, &device->dev, type,
1573 &sony_rfkill_ops, (void *)nc_type);
1577 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1578 rfkill_destroy(rfk);
1581 hwblock = !(result & 0x1);
1583 if (sony_call_snc_handle(sony_rfkill_handle,
1584 sony_rfkill_address[nc_type],
1586 rfkill_destroy(rfk);
1589 swblock = !(result & 0x2);
1591 rfkill_init_sw_state(rfk, swblock);
1592 rfkill_set_hw_state(rfk, hwblock);
1594 err = rfkill_register(rfk);
1596 rfkill_destroy(rfk);
1599 sony_rfkill_devices[nc_type] = rfk;
1603 static void sony_nc_rfkill_update(void)
1605 enum sony_nc_rfkill i;
1609 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1610 hwblock = !(result & 0x1);
1612 for (i = 0; i < N_SONY_RFKILL; i++) {
1613 int argument = sony_rfkill_address[i];
1615 if (!sony_rfkill_devices[i])
1619 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1620 /* we already know we're blocked */
1625 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1626 rfkill_set_states(sony_rfkill_devices[i],
1627 !(result & 0x2), false);
1631 static int sony_nc_rfkill_setup(struct acpi_device *device,
1632 unsigned int handle)
1636 unsigned char buffer[32] = { 0 };
1638 offset = sony_find_snc_handle(handle);
1639 sony_rfkill_handle = handle;
1641 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1646 /* The buffer is filled with magic numbers describing the devices
1647 * available, 0xff terminates the enumeration.
1651 * 0x20 WWAN GPRS-EDGE
1655 * 0x25 Gobi WWAN no GPS
1656 * 0x26 Gobi WWAN + GPS
1657 * 0x28 Gobi WWAN no GPS
1658 * 0x29 Gobi WWAN + GPS
1660 * 0x50 Gobi WWAN no GPS
1661 * 0x51 Gobi WWAN + GPS
1662 * 0x70 no SIM card slot
1663 * 0x71 SIM card slot
1665 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1667 if (buffer[i] == 0xff)
1670 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1672 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1673 sony_nc_setup_rfkill(device, SONY_WIFI);
1675 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1676 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1678 if (((0xf0 & buffer[i]) == 0x20 ||
1679 (0xf0 & buffer[i]) == 0x50) &&
1680 !sony_rfkill_devices[SONY_WWAN])
1681 sony_nc_setup_rfkill(device, SONY_WWAN);
1683 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1684 sony_nc_setup_rfkill(device, SONY_WIMAX);
1689 /* Keyboard backlight feature */
1690 struct kbd_backlight {
1691 unsigned int handle;
1694 unsigned int timeout;
1695 struct device_attribute mode_attr;
1696 struct device_attribute timeout_attr;
1699 static struct kbd_backlight *kbdbl_ctl;
1701 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1708 if (sony_call_snc_handle(kbdbl_ctl->handle,
1709 (value << 0x10) | (kbdbl_ctl->base), &result))
1712 /* Try to turn the light on/off immediately */
1713 sony_call_snc_handle(kbdbl_ctl->handle,
1714 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1716 kbdbl_ctl->mode = value;
1721 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1722 struct device_attribute *attr,
1723 const char *buffer, size_t count)
1726 unsigned long value;
1731 if (kstrtoul(buffer, 10, &value))
1734 ret = __sony_nc_kbd_backlight_mode_set(value);
1741 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1742 struct device_attribute *attr, char *buffer)
1745 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1749 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1756 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1757 (kbdbl_ctl->base + 0x200), &result))
1760 kbdbl_ctl->timeout = value;
1765 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1766 struct device_attribute *attr,
1767 const char *buffer, size_t count)
1770 unsigned long value;
1775 if (kstrtoul(buffer, 10, &value))
1778 ret = __sony_nc_kbd_backlight_timeout_set(value);
1785 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1786 struct device_attribute *attr, char *buffer)
1789 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1793 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1794 unsigned int handle)
1799 /* verify the kbd backlight presence, these handles are not used for
1800 * keyboard backlight only
1802 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1807 if ((handle == 0x0137 && !(result & 0x02)) ||
1809 dprintk("no backlight keyboard found\n");
1813 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1817 kbdbl_ctl->handle = handle;
1818 if (handle == 0x0137)
1819 kbdbl_ctl->base = 0x0C00;
1821 kbdbl_ctl->base = 0x4000;
1823 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1824 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1825 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1826 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1827 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1829 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1830 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1831 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1832 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1833 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1835 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1839 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1843 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1844 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1849 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1856 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1861 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1862 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1864 /* restore the default hw behaviour */
1865 sony_call_snc_handle(kbdbl_ctl->handle,
1866 kbdbl_ctl->base | 0x10000, &result);
1867 sony_call_snc_handle(kbdbl_ctl->handle,
1868 kbdbl_ctl->base + 0x200, &result);
1875 static void sony_nc_kbd_backlight_resume(void)
1882 if (kbdbl_ctl->mode == 0)
1883 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1886 if (kbdbl_ctl->timeout != 0)
1887 sony_call_snc_handle(kbdbl_ctl->handle,
1888 (kbdbl_ctl->base + 0x200) |
1889 (kbdbl_ctl->timeout << 0x10), &ignore);
1892 struct battery_care_control {
1893 struct device_attribute attrs[2];
1894 unsigned int handle;
1896 static struct battery_care_control *bcare_ctl;
1898 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1899 struct device_attribute *attr,
1900 const char *buffer, size_t count)
1902 unsigned int result, cmd;
1903 unsigned long value;
1908 if (kstrtoul(buffer, 10, &value))
1911 /* limit values (2 bits):
1917 * bit 0: 0 disable BCL, 1 enable BCL
1918 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1919 * bits 2,3: reserved
1920 * bits 4,5: store the limit into the EC
1921 * bits 6,7: store the limit into the battery
1929 else if (value <= 80)
1932 else if (value <= 100)
1939 * handle 0x0115 should allow storing on battery too;
1940 * handle 0x0136 same as 0x0115 + health status;
1941 * handle 0x013f, same as 0x0136 but no storing on the battery
1943 if (bcare_ctl->handle != 0x013f)
1944 cmd = cmd | (cmd << 2);
1946 cmd = (cmd | 0x1) << 0x10;
1949 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1955 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1956 struct device_attribute *attr, char *buffer)
1958 unsigned int result, status;
1960 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1963 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1979 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
1982 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
1983 struct device_attribute *attr, char *buffer)
1986 unsigned int health;
1988 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
1991 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
1996 static int sony_nc_battery_care_setup(struct platform_device *pd,
1997 unsigned int handle)
2001 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2005 bcare_ctl->handle = handle;
2007 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2008 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2009 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2010 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2011 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2013 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2017 /* 0x0115 is for models with no health reporting capability */
2018 if (handle == 0x0115)
2021 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2022 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2023 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2024 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2026 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2033 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2042 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2045 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2046 if (bcare_ctl->handle != 0x0115)
2047 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2054 struct snc_thermal_ctrl {
2056 unsigned int profiles;
2057 struct device_attribute mode_attr;
2058 struct device_attribute profiles_attr;
2060 static struct snc_thermal_ctrl *th_handle;
2062 #define THM_PROFILE_MAX 3
2063 static const char * const snc_thermal_profiles[] = {
2069 static int sony_nc_thermal_mode_set(unsigned short mode)
2071 unsigned int result;
2073 /* the thermal profile seems to be a two bit bitmask:
2075 * msb -> performance
2076 * no bit set is the normal operation and is always valid
2077 * Some vaio models only have "balanced" and "performance"
2079 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2082 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2085 th_handle->mode = mode;
2090 static int sony_nc_thermal_mode_get(void)
2092 unsigned int result;
2094 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2097 return result & 0xff;
2100 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2101 struct device_attribute *attr, char *buffer)
2106 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2107 if (!cnt || (th_handle->profiles & cnt))
2108 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2109 snc_thermal_profiles[cnt]);
2111 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2116 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2117 struct device_attribute *attr,
2118 const char *buffer, size_t count)
2126 /* skip the newline if present */
2127 if (buffer[len - 1] == '\n')
2130 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2131 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2134 if (sony_nc_thermal_mode_set(cmd))
2140 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2141 struct device_attribute *attr, char *buffer)
2144 int mode = sony_nc_thermal_mode_get();
2149 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2154 static int sony_nc_thermal_setup(struct platform_device *pd)
2157 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2161 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2163 pr_warn("couldn't to read the thermal profiles\n");
2167 ret = sony_nc_thermal_mode_get();
2169 pr_warn("couldn't to read the current thermal profile");
2172 th_handle->mode = ret;
2174 sysfs_attr_init(&th_handle->profiles_attr.attr);
2175 th_handle->profiles_attr.attr.name = "thermal_profiles";
2176 th_handle->profiles_attr.attr.mode = S_IRUGO;
2177 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2179 sysfs_attr_init(&th_handle->mode_attr.attr);
2180 th_handle->mode_attr.attr.name = "thermal_control";
2181 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2182 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2183 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2185 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2189 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2196 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2203 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2206 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2207 device_remove_file(&pd->dev, &th_handle->mode_attr);
2213 static void sony_nc_thermal_resume(void)
2215 unsigned int status = sony_nc_thermal_mode_get();
2217 if (status != th_handle->mode)
2218 sony_nc_thermal_mode_set(th_handle->mode);
2221 /* resume on LID open */
2222 struct snc_lid_resume_control {
2223 struct device_attribute attrs[3];
2224 unsigned int status;
2226 static struct snc_lid_resume_control *lid_ctl;
2228 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2229 struct device_attribute *attr,
2230 const char *buffer, size_t count)
2232 unsigned int result, pos;
2233 unsigned long value;
2237 if (kstrtoul(buffer, 10, &value) || value > 1)
2240 /* the value we have to write to SNC is a bitmask:
2246 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2248 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2250 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2256 value = lid_ctl->status | (1 << pos);
2258 value = lid_ctl->status & ~(1 << pos);
2260 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2263 lid_ctl->status = value;
2268 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2269 struct device_attribute *attr, char *buffer)
2273 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2275 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2277 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2282 return snprintf(buffer, PAGE_SIZE, "%d\n",
2283 (lid_ctl->status >> pos) & 0x01);
2286 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2288 unsigned int result;
2291 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2294 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2298 lid_ctl->status = result & 0x7;
2300 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2301 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2302 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2303 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2304 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2306 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2307 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2308 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2309 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2310 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2312 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2313 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2314 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2315 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2316 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2318 for (i = 0; i < 3; i++) {
2319 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2328 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2336 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2341 for (i = 0; i < 3; i++)
2342 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2349 /* High speed charging function */
2350 static struct device_attribute *hsc_handle;
2352 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2353 struct device_attribute *attr,
2354 const char *buffer, size_t count)
2356 unsigned int result;
2357 unsigned long value;
2362 if (kstrtoul(buffer, 10, &value) || value > 1)
2365 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2371 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2372 struct device_attribute *attr, char *buffer)
2374 unsigned int result;
2376 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2379 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2382 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2384 unsigned int result;
2386 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2387 /* some models advertise the handle but have no implementation
2390 pr_info("No High Speed Charging capability found\n");
2394 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2398 sysfs_attr_init(&hsc_handle->attr);
2399 hsc_handle->attr.name = "battery_highspeed_charging";
2400 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2401 hsc_handle->show = sony_nc_highspeed_charging_show;
2402 hsc_handle->store = sony_nc_highspeed_charging_store;
2404 result = device_create_file(&pd->dev, hsc_handle);
2414 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2417 device_remove_file(&pd->dev, hsc_handle);
2423 /* Touchpad enable/disable */
2424 struct touchpad_control {
2425 struct device_attribute attr;
2428 static struct touchpad_control *tp_ctl;
2430 static ssize_t sony_nc_touchpad_store(struct device *dev,
2431 struct device_attribute *attr, const char *buffer, size_t count)
2433 unsigned int result;
2434 unsigned long value;
2439 if (kstrtoul(buffer, 10, &value) || value > 1)
2442 /* sysfs: 0 disabled, 1 enabled
2443 * EC: 0 enabled, 1 disabled
2445 if (sony_call_snc_handle(tp_ctl->handle,
2446 (!value << 0x10) | 0x100, &result))
2452 static ssize_t sony_nc_touchpad_show(struct device *dev,
2453 struct device_attribute *attr, char *buffer)
2455 unsigned int result;
2457 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2460 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2463 static int sony_nc_touchpad_setup(struct platform_device *pd,
2464 unsigned int handle)
2468 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2472 tp_ctl->handle = handle;
2474 sysfs_attr_init(&tp_ctl->attr.attr);
2475 tp_ctl->attr.attr.name = "touchpad";
2476 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2477 tp_ctl->attr.show = sony_nc_touchpad_show;
2478 tp_ctl->attr.store = sony_nc_touchpad_store;
2480 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2489 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2492 device_remove_file(&pd->dev, &tp_ctl->attr);
2498 static void sony_nc_backlight_ng_read_limits(int handle,
2499 struct sony_backlight_props *props)
2503 int lvl_table_len = 0;
2504 u8 min = 0xff, max = 0x00;
2505 unsigned char buffer[32] = { 0 };
2507 props->handle = handle;
2509 props->maxlvl = 0xff;
2511 offset = sony_find_snc_handle(handle);
2513 /* try to read the boundaries from ACPI tables, if we fail the above
2514 * defaults should be reasonable
2516 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2531 /* the buffer lists brightness levels available, brightness levels are
2532 * from position 0 to 8 in the array, other values are used by ALS
2535 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2537 dprintk("Brightness level: %d\n", buffer[i]);
2542 if (buffer[i] > max)
2544 if (buffer[i] < min)
2547 props->offset = min;
2548 props->maxlvl = max;
2549 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2553 static void sony_nc_backlight_setup(void)
2556 int max_brightness = 0;
2557 const struct backlight_ops *ops = NULL;
2558 struct backlight_properties props;
2560 if (sony_find_snc_handle(0x12f) >= 0) {
2561 ops = &sony_backlight_ng_ops;
2562 sony_bl_props.cmd_base = 0x0100;
2563 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2564 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2566 } else if (sony_find_snc_handle(0x137) >= 0) {
2567 ops = &sony_backlight_ng_ops;
2568 sony_bl_props.cmd_base = 0x0100;
2569 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2570 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2572 } else if (sony_find_snc_handle(0x143) >= 0) {
2573 ops = &sony_backlight_ng_ops;
2574 sony_bl_props.cmd_base = 0x3000;
2575 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2576 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2578 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
2580 ops = &sony_backlight_ops;
2581 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2586 memset(&props, 0, sizeof(struct backlight_properties));
2587 props.type = BACKLIGHT_PLATFORM;
2588 props.max_brightness = max_brightness;
2589 sony_bl_props.dev = backlight_device_register("sony", NULL,
2593 if (IS_ERR(sony_bl_props.dev)) {
2594 pr_warn("unable to register backlight device\n");
2595 sony_bl_props.dev = NULL;
2597 sony_bl_props.dev->props.brightness =
2598 ops->get_brightness(sony_bl_props.dev);
2601 static void sony_nc_backlight_cleanup(void)
2603 if (sony_bl_props.dev)
2604 backlight_device_unregister(sony_bl_props.dev);
2607 static int sony_nc_add(struct acpi_device *device)
2612 struct sony_nc_value *item;
2614 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2616 sony_nc_acpi_device = device;
2617 strcpy(acpi_device_class(device), "sony/hotkey");
2619 sony_nc_acpi_handle = device->handle;
2621 /* read device status */
2622 result = acpi_bus_get_status(device);
2623 /* bail IFF the above call was successful and the device is not present */
2624 if (!result && !device->status.present) {
2625 dprintk("Device not present\n");
2630 result = sony_pf_add();
2635 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2636 sony_nc_acpi_handle, 1, sony_walk_callback,
2638 if (ACPI_FAILURE(status)) {
2639 pr_warn("unable to walk acpi resources\n");
2645 result = sony_laptop_setup_input(device);
2647 pr_err("Unable to create input devices\n");
2651 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
2654 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2655 dprintk("ECON Method failed\n");
2658 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
2660 dprintk("Doing SNC setup\n");
2661 /* retrieve the available handles */
2662 result = sony_nc_handles_setup(sony_pf_device);
2664 sony_nc_function_setup(device, sony_pf_device);
2667 /* setup input devices and helper fifo */
2668 if (acpi_video_backlight_support()) {
2669 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2671 sony_nc_backlight_setup();
2674 /* create sony_pf sysfs attributes related to the SNC device */
2675 for (item = sony_nc_values; item->name; ++item) {
2677 if (!debug && item->debug)
2680 /* find the available acpiget as described in the DSDT */
2681 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2682 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2685 dprintk("Found %s getter: %s\n",
2686 item->name, *item->acpiget);
2687 item->devattr.attr.mode |= S_IRUGO;
2692 /* find the available acpiset as described in the DSDT */
2693 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2694 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2697 dprintk("Found %s setter: %s\n",
2698 item->name, *item->acpiset);
2699 item->devattr.attr.mode |= S_IWUSR;
2704 if (item->devattr.attr.mode != 0) {
2706 device_create_file(&sony_pf_device->dev,
2716 for (item = sony_nc_values; item->name; ++item) {
2717 device_remove_file(&sony_pf_device->dev, &item->devattr);
2719 sony_nc_backlight_cleanup();
2720 sony_nc_function_cleanup(sony_pf_device);
2721 sony_nc_handles_cleanup(sony_pf_device);
2724 sony_laptop_remove_input();
2730 sony_nc_rfkill_cleanup();
2734 static int sony_nc_remove(struct acpi_device *device, int type)
2736 struct sony_nc_value *item;
2738 sony_nc_backlight_cleanup();
2740 sony_nc_acpi_device = NULL;
2742 for (item = sony_nc_values; item->name; ++item) {
2743 device_remove_file(&sony_pf_device->dev, &item->devattr);
2746 sony_nc_function_cleanup(sony_pf_device);
2747 sony_nc_handles_cleanup(sony_pf_device);
2749 sony_laptop_remove_input();
2750 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2755 static const struct acpi_device_id sony_device_ids[] = {
2760 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2762 static const struct acpi_device_id sony_nc_device_ids[] = {
2767 static struct acpi_driver sony_nc_driver = {
2768 .name = SONY_NC_DRIVER_NAME,
2769 .class = SONY_NC_CLASS,
2770 .ids = sony_nc_device_ids,
2771 .owner = THIS_MODULE,
2774 .remove = sony_nc_remove,
2775 .notify = sony_nc_notify,
2777 .drv.pm = &sony_nc_pm,
2780 /*********** SPIC (SNY6001) Device ***********/
2782 #define SONYPI_DEVICE_TYPE1 0x00000001
2783 #define SONYPI_DEVICE_TYPE2 0x00000002
2784 #define SONYPI_DEVICE_TYPE3 0x00000004
2786 #define SONYPI_TYPE1_OFFSET 0x04
2787 #define SONYPI_TYPE2_OFFSET 0x12
2788 #define SONYPI_TYPE3_OFFSET 0x12
2790 struct sony_pic_ioport {
2791 struct acpi_resource_io io1;
2792 struct acpi_resource_io io2;
2793 struct list_head list;
2796 struct sony_pic_irq {
2797 struct acpi_resource_irq irq;
2798 struct list_head list;
2801 struct sonypi_eventtypes {
2804 struct sonypi_event *events;
2807 struct sony_pic_dev {
2808 struct acpi_device *acpi_dev;
2809 struct sony_pic_irq *cur_irq;
2810 struct sony_pic_ioport *cur_ioport;
2811 struct list_head interrupts;
2812 struct list_head ioports;
2814 struct sonypi_eventtypes *event_types;
2815 int (*handle_irq)(const u8, const u8);
2823 static struct sony_pic_dev spic_dev = {
2824 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2825 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2828 static int spic_drv_registered;
2831 #define SONYPI_JOGGER_MASK 0x00000001
2832 #define SONYPI_CAPTURE_MASK 0x00000002
2833 #define SONYPI_FNKEY_MASK 0x00000004
2834 #define SONYPI_BLUETOOTH_MASK 0x00000008
2835 #define SONYPI_PKEY_MASK 0x00000010
2836 #define SONYPI_BACK_MASK 0x00000020
2837 #define SONYPI_HELP_MASK 0x00000040
2838 #define SONYPI_LID_MASK 0x00000080
2839 #define SONYPI_ZOOM_MASK 0x00000100
2840 #define SONYPI_THUMBPHRASE_MASK 0x00000200
2841 #define SONYPI_MEYE_MASK 0x00000400
2842 #define SONYPI_MEMORYSTICK_MASK 0x00000800
2843 #define SONYPI_BATTERY_MASK 0x00001000
2844 #define SONYPI_WIRELESS_MASK 0x00002000
2846 struct sonypi_event {
2851 /* The set of possible button release events */
2852 static struct sonypi_event sonypi_releaseev[] = {
2853 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2857 /* The set of possible jogger events */
2858 static struct sonypi_event sonypi_joggerev[] = {
2859 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2860 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2861 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2862 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2863 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2864 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2865 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2866 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2867 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
2868 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
2869 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
2870 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
2871 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
2875 /* The set of possible capture button events */
2876 static struct sonypi_event sonypi_captureev[] = {
2877 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
2878 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
2879 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2880 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
2884 /* The set of possible fnkeys events */
2885 static struct sonypi_event sonypi_fnkeyev[] = {
2886 { 0x10, SONYPI_EVENT_FNKEY_ESC },
2887 { 0x11, SONYPI_EVENT_FNKEY_F1 },
2888 { 0x12, SONYPI_EVENT_FNKEY_F2 },
2889 { 0x13, SONYPI_EVENT_FNKEY_F3 },
2890 { 0x14, SONYPI_EVENT_FNKEY_F4 },
2891 { 0x15, SONYPI_EVENT_FNKEY_F5 },
2892 { 0x16, SONYPI_EVENT_FNKEY_F6 },
2893 { 0x17, SONYPI_EVENT_FNKEY_F7 },
2894 { 0x18, SONYPI_EVENT_FNKEY_F8 },
2895 { 0x19, SONYPI_EVENT_FNKEY_F9 },
2896 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
2897 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
2898 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
2899 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
2900 { 0x21, SONYPI_EVENT_FNKEY_1 },
2901 { 0x22, SONYPI_EVENT_FNKEY_2 },
2902 { 0x31, SONYPI_EVENT_FNKEY_D },
2903 { 0x32, SONYPI_EVENT_FNKEY_E },
2904 { 0x33, SONYPI_EVENT_FNKEY_F },
2905 { 0x34, SONYPI_EVENT_FNKEY_S },
2906 { 0x35, SONYPI_EVENT_FNKEY_B },
2907 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
2911 /* The set of possible program key events */
2912 static struct sonypi_event sonypi_pkeyev[] = {
2913 { 0x01, SONYPI_EVENT_PKEY_P1 },
2914 { 0x02, SONYPI_EVENT_PKEY_P2 },
2915 { 0x04, SONYPI_EVENT_PKEY_P3 },
2916 { 0x20, SONYPI_EVENT_PKEY_P1 },
2920 /* The set of possible bluetooth events */
2921 static struct sonypi_event sonypi_blueev[] = {
2922 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
2923 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
2924 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
2928 /* The set of possible wireless events */
2929 static struct sonypi_event sonypi_wlessev[] = {
2930 { 0x59, SONYPI_EVENT_IGNORE },
2931 { 0x5a, SONYPI_EVENT_IGNORE },
2935 /* The set of possible back button events */
2936 static struct sonypi_event sonypi_backev[] = {
2937 { 0x20, SONYPI_EVENT_BACK_PRESSED },
2941 /* The set of possible help button events */
2942 static struct sonypi_event sonypi_helpev[] = {
2943 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
2948 /* The set of possible lid events */
2949 static struct sonypi_event sonypi_lidev[] = {
2950 { 0x51, SONYPI_EVENT_LID_CLOSED },
2951 { 0x50, SONYPI_EVENT_LID_OPENED },
2955 /* The set of possible zoom events */
2956 static struct sonypi_event sonypi_zoomev[] = {
2957 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
2958 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
2959 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2960 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2964 /* The set of possible thumbphrase events */
2965 static struct sonypi_event sonypi_thumbphraseev[] = {
2966 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
2970 /* The set of possible motioneye camera events */
2971 static struct sonypi_event sonypi_meyeev[] = {
2972 { 0x00, SONYPI_EVENT_MEYE_FACE },
2973 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
2977 /* The set of possible memorystick events */
2978 static struct sonypi_event sonypi_memorystickev[] = {
2979 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
2980 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
2984 /* The set of possible battery events */
2985 static struct sonypi_event sonypi_batteryev[] = {
2986 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
2987 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
2991 /* The set of possible volume events */
2992 static struct sonypi_event sonypi_volumeev[] = {
2993 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
2994 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
2998 /* The set of possible brightness events */
2999 static struct sonypi_event sonypi_brightnessev[] = {
3000 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3004 static struct sonypi_eventtypes type1_events[] = {
3005 { 0, 0xffffffff, sonypi_releaseev },
3006 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3007 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3008 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3009 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3010 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3011 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3012 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3013 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3014 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3017 static struct sonypi_eventtypes type2_events[] = {
3018 { 0, 0xffffffff, sonypi_releaseev },
3019 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3020 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3021 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3022 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3023 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3024 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3025 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3026 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3027 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3028 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3029 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3030 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3031 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3034 static struct sonypi_eventtypes type3_events[] = {
3035 { 0, 0xffffffff, sonypi_releaseev },
3036 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3037 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3038 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3039 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3040 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3041 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3042 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3043 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3044 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3045 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3049 /* low level spic calls */
3050 #define ITERATIONS_LONG 10000
3051 #define ITERATIONS_SHORT 10
3052 #define wait_on_command(command, iterations) { \
3053 unsigned int n = iterations; \
3054 while (--n && (command)) \
3057 dprintk("command failed at %s : %s (line %d)\n", \
3058 __FILE__, __func__, __LINE__); \
3061 static u8 sony_pic_call1(u8 dev)
3065 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3067 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3068 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3069 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3070 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3074 static u8 sony_pic_call2(u8 dev, u8 fn)
3078 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3080 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3081 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3083 outb(fn, spic_dev.cur_ioport->io1.minimum);
3084 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3085 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3089 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3093 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3094 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3095 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3096 outb(fn, spic_dev.cur_ioport->io1.minimum);
3097 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3098 outb(v, spic_dev.cur_ioport->io1.minimum);
3099 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3100 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3106 * minidrivers for SPIC models
3108 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3111 * 0x31 could mean we have to take some extra action and wait for
3112 * the next irq for some Type3 models, it will generate a new
3113 * irq and we can read new data from the device:
3114 * - 0x5c and 0x5f requires 0xA0
3115 * - 0x61 requires 0xB3
3117 if (data_mask == 0x31) {
3118 if (ev == 0x5c || ev == 0x5f)
3119 sony_pic_call1(0xA0);
3120 else if (ev == 0x61)
3121 sony_pic_call1(0xB3);
3127 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3129 struct pci_dev *pcidev;
3131 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3132 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3134 dev->model = SONYPI_DEVICE_TYPE1;
3135 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3136 dev->event_types = type1_events;
3140 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3141 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3143 dev->model = SONYPI_DEVICE_TYPE2;
3144 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3145 dev->event_types = type2_events;
3149 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3150 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3152 dev->model = SONYPI_DEVICE_TYPE3;
3153 dev->handle_irq = type3_handle_irq;
3154 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3155 dev->event_types = type3_events;
3159 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3160 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3162 dev->model = SONYPI_DEVICE_TYPE3;
3163 dev->handle_irq = type3_handle_irq;
3164 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3165 dev->event_types = type3_events;
3169 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3170 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3172 dev->model = SONYPI_DEVICE_TYPE3;
3173 dev->handle_irq = type3_handle_irq;
3174 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3175 dev->event_types = type3_events;
3180 dev->model = SONYPI_DEVICE_TYPE2;
3181 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3182 dev->event_types = type2_events;
3186 pci_dev_put(pcidev);
3188 pr_info("detected Type%d model\n",
3189 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3190 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3193 /* camera tests and poweron/poweroff */
3194 #define SONYPI_CAMERA_PICTURE 5
3195 #define SONYPI_CAMERA_CONTROL 0x10
3197 #define SONYPI_CAMERA_BRIGHTNESS 0
3198 #define SONYPI_CAMERA_CONTRAST 1
3199 #define SONYPI_CAMERA_HUE 2
3200 #define SONYPI_CAMERA_COLOR 3
3201 #define SONYPI_CAMERA_SHARPNESS 4
3203 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3204 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3205 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3206 #define SONYPI_CAMERA_MUTE_MASK 0x40
3208 /* the rest don't need a loop until not 0xff */
3209 #define SONYPI_CAMERA_AGC 6
3210 #define SONYPI_CAMERA_AGC_MASK 0x30
3211 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3213 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3214 #define SONYPI_CAMERA_CONTROL 0x10
3216 #define SONYPI_CAMERA_STATUS 7
3217 #define SONYPI_CAMERA_STATUS_READY 0x2
3218 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3220 #define SONYPI_DIRECTION_BACKWARDS 0x4
3222 #define SONYPI_CAMERA_REVISION 8
3223 #define SONYPI_CAMERA_ROMVERSION 9
3225 static int __sony_pic_camera_ready(void)
3229 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3230 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3233 static int __sony_pic_camera_off(void)
3236 pr_warn("camera control not enabled\n");
3240 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3241 SONYPI_CAMERA_MUTE_MASK),
3244 if (spic_dev.camera_power) {
3245 sony_pic_call2(0x91, 0);
3246 spic_dev.camera_power = 0;
3251 static int __sony_pic_camera_on(void)
3256 pr_warn("camera control not enabled\n");
3260 if (spic_dev.camera_power)
3263 for (j = 5; j > 0; j--) {
3265 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3267 sony_pic_call1(0x93);
3269 for (i = 400; i > 0; i--) {
3270 if (__sony_pic_camera_ready())
3279 pr_warn("failed to power on camera\n");
3283 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3287 spic_dev.camera_power = 1;
3291 /* External camera command (exported to the motion eye v4l driver) */
3292 int sony_pic_camera_command(int command, u8 value)
3297 mutex_lock(&spic_dev.lock);
3300 case SONY_PIC_COMMAND_SETCAMERA:
3302 __sony_pic_camera_on();
3304 __sony_pic_camera_off();
3306 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3307 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3310 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3311 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3314 case SONY_PIC_COMMAND_SETCAMERAHUE:
3315 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3318 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3319 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3322 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3323 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3326 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3327 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3330 case SONY_PIC_COMMAND_SETCAMERAAGC:
3331 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3335 pr_err("sony_pic_camera_command invalid: %d\n", command);
3338 mutex_unlock(&spic_dev.lock);
3341 EXPORT_SYMBOL(sony_pic_camera_command);
3343 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3344 static void __sony_pic_set_wwanpower(u8 state)
3347 if (spic_dev.wwan_power == state)
3349 sony_pic_call2(0xB0, state);
3350 sony_pic_call1(0x82);
3351 spic_dev.wwan_power = state;
3354 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3355 struct device_attribute *attr,
3356 const char *buffer, size_t count)
3358 unsigned long value;
3362 if (kstrtoul(buffer, 10, &value))
3365 mutex_lock(&spic_dev.lock);
3366 __sony_pic_set_wwanpower(value);
3367 mutex_unlock(&spic_dev.lock);
3372 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3373 struct device_attribute *attr, char *buffer)
3376 mutex_lock(&spic_dev.lock);
3377 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3378 mutex_unlock(&spic_dev.lock);
3382 /* bluetooth subsystem power state */
3383 static void __sony_pic_set_bluetoothpower(u8 state)
3386 if (spic_dev.bluetooth_power == state)
3388 sony_pic_call2(0x96, state);
3389 sony_pic_call1(0x82);
3390 spic_dev.bluetooth_power = state;
3393 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3394 struct device_attribute *attr,
3395 const char *buffer, size_t count)
3397 unsigned long value;
3401 if (kstrtoul(buffer, 10, &value))
3404 mutex_lock(&spic_dev.lock);
3405 __sony_pic_set_bluetoothpower(value);
3406 mutex_unlock(&spic_dev.lock);
3411 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3412 struct device_attribute *attr, char *buffer)
3415 mutex_lock(&spic_dev.lock);
3416 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3417 mutex_unlock(&spic_dev.lock);
3422 /* FAN0 information (reverse engineered from ACPI tables) */
3423 #define SONY_PIC_FAN0_STATUS 0x93
3424 static int sony_pic_set_fanspeed(unsigned long value)
3426 return ec_write(SONY_PIC_FAN0_STATUS, value);
3429 static int sony_pic_get_fanspeed(u8 *value)
3431 return ec_read(SONY_PIC_FAN0_STATUS, value);
3434 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3435 struct device_attribute *attr,
3436 const char *buffer, size_t count)
3438 unsigned long value;
3442 if (kstrtoul(buffer, 10, &value))
3445 if (sony_pic_set_fanspeed(value))
3451 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3452 struct device_attribute *attr, char *buffer)
3455 if (sony_pic_get_fanspeed(&value))
3458 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3461 #define SPIC_ATTR(_name, _mode) \
3462 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3463 _mode, sony_pic_## _name ##_show, \
3464 sony_pic_## _name ##_store)
3466 static SPIC_ATTR(bluetoothpower, 0644);
3467 static SPIC_ATTR(wwanpower, 0644);
3468 static SPIC_ATTR(fanspeed, 0644);
3470 static struct attribute *spic_attributes[] = {
3471 &spic_attr_bluetoothpower.attr,
3472 &spic_attr_wwanpower.attr,
3473 &spic_attr_fanspeed.attr,
3477 static struct attribute_group spic_attribute_group = {
3478 .attrs = spic_attributes
3481 /******** SONYPI compatibility **********/
3482 #ifdef CONFIG_SONYPI_COMPAT
3484 /* battery / brightness / temperature addresses */
3485 #define SONYPI_BAT_FLAGS 0x81
3486 #define SONYPI_LCD_LIGHT 0x96
3487 #define SONYPI_BAT1_PCTRM 0xa0
3488 #define SONYPI_BAT1_LEFT 0xa2
3489 #define SONYPI_BAT1_MAXRT 0xa4
3490 #define SONYPI_BAT2_PCTRM 0xa8
3491 #define SONYPI_BAT2_LEFT 0xaa
3492 #define SONYPI_BAT2_MAXRT 0xac
3493 #define SONYPI_BAT1_MAXTK 0xb0
3494 #define SONYPI_BAT1_FULL 0xb2
3495 #define SONYPI_BAT2_MAXTK 0xb8
3496 #define SONYPI_BAT2_FULL 0xba
3497 #define SONYPI_TEMP_STATUS 0xC1
3499 struct sonypi_compat_s {
3500 struct fasync_struct *fifo_async;
3502 spinlock_t fifo_lock;
3503 wait_queue_head_t fifo_proc_list;
3504 atomic_t open_count;
3506 static struct sonypi_compat_s sonypi_compat = {
3507 .open_count = ATOMIC_INIT(0),
3510 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3512 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3515 static int sonypi_misc_release(struct inode *inode, struct file *file)
3517 atomic_dec(&sonypi_compat.open_count);
3521 static int sonypi_misc_open(struct inode *inode, struct file *file)
3523 /* Flush input queue on first open */
3524 unsigned long flags;
3526 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3528 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3529 kfifo_reset(&sonypi_compat.fifo);
3531 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3536 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3537 size_t count, loff_t *pos)
3542 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3543 (file->f_flags & O_NONBLOCK))
3546 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3547 kfifo_len(&sonypi_compat.fifo) != 0);
3551 while (ret < count &&
3552 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3553 &sonypi_compat.fifo_lock) == sizeof(c))) {
3554 if (put_user(c, buf++))
3560 struct inode *inode = file->f_path.dentry->d_inode;
3561 inode->i_atime = current_fs_time(inode->i_sb);
3567 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3569 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3570 if (kfifo_len(&sonypi_compat.fifo))
3571 return POLLIN | POLLRDNORM;
3575 static int ec_read16(u8 addr, u16 *value)
3578 if (ec_read(addr, &val_lb))
3580 if (ec_read(addr + 1, &val_hb))
3582 *value = val_lb | (val_hb << 8);
3586 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3590 void __user *argp = (void __user *)arg;
3595 mutex_lock(&spic_dev.lock);
3597 case SONYPI_IOCGBRT:
3598 if (sony_bl_props.dev == NULL) {
3602 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3607 val8 = ((value & 0xff) - 1) << 5;
3608 if (copy_to_user(argp, &val8, sizeof(val8)))
3611 case SONYPI_IOCSBRT:
3612 if (sony_bl_props.dev == NULL) {
3616 if (copy_from_user(&val8, argp, sizeof(val8))) {
3620 value = (val8 >> 5) + 1;
3621 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3626 /* sync the backlight device status */
3627 sony_bl_props.dev->props.brightness =
3628 sony_backlight_get_brightness(sony_bl_props.dev);
3630 case SONYPI_IOCGBAT1CAP:
3631 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3635 if (copy_to_user(argp, &val16, sizeof(val16)))
3638 case SONYPI_IOCGBAT1REM:
3639 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3643 if (copy_to_user(argp, &val16, sizeof(val16)))
3646 case SONYPI_IOCGBAT2CAP:
3647 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3651 if (copy_to_user(argp, &val16, sizeof(val16)))
3654 case SONYPI_IOCGBAT2REM:
3655 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3659 if (copy_to_user(argp, &val16, sizeof(val16)))
3662 case SONYPI_IOCGBATFLAGS:
3663 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3668 if (copy_to_user(argp, &val8, sizeof(val8)))
3671 case SONYPI_IOCGBLUE:
3672 val8 = spic_dev.bluetooth_power;
3673 if (copy_to_user(argp, &val8, sizeof(val8)))
3676 case SONYPI_IOCSBLUE:
3677 if (copy_from_user(&val8, argp, sizeof(val8))) {
3681 __sony_pic_set_bluetoothpower(val8);
3684 case SONYPI_IOCGFAN:
3685 if (sony_pic_get_fanspeed(&val8)) {
3689 if (copy_to_user(argp, &val8, sizeof(val8)))
3692 case SONYPI_IOCSFAN:
3693 if (copy_from_user(&val8, argp, sizeof(val8))) {
3697 if (sony_pic_set_fanspeed(val8))
3700 /* GET Temperature (useful under APM) */
3701 case SONYPI_IOCGTEMP:
3702 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3706 if (copy_to_user(argp, &val8, sizeof(val8)))
3712 mutex_unlock(&spic_dev.lock);
3716 static const struct file_operations sonypi_misc_fops = {
3717 .owner = THIS_MODULE,
3718 .read = sonypi_misc_read,
3719 .poll = sonypi_misc_poll,
3720 .open = sonypi_misc_open,
3721 .release = sonypi_misc_release,
3722 .fasync = sonypi_misc_fasync,
3723 .unlocked_ioctl = sonypi_misc_ioctl,
3724 .llseek = noop_llseek,
3727 static struct miscdevice sonypi_misc_device = {
3728 .minor = MISC_DYNAMIC_MINOR,
3730 .fops = &sonypi_misc_fops,
3733 static void sonypi_compat_report_event(u8 event)
3735 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3736 sizeof(event), &sonypi_compat.fifo_lock);
3737 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3738 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3741 static int sonypi_compat_init(void)
3745 spin_lock_init(&sonypi_compat.fifo_lock);
3747 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3749 pr_err("kfifo_alloc failed\n");
3753 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3756 sonypi_misc_device.minor = minor;
3757 error = misc_register(&sonypi_misc_device);
3759 pr_err("misc_register failed\n");
3760 goto err_free_kfifo;
3763 pr_info("device allocated minor is %d\n",
3764 sonypi_misc_device.minor);
3769 kfifo_free(&sonypi_compat.fifo);
3773 static void sonypi_compat_exit(void)
3775 misc_deregister(&sonypi_misc_device);
3776 kfifo_free(&sonypi_compat.fifo);
3779 static int sonypi_compat_init(void) { return 0; }
3780 static void sonypi_compat_exit(void) { }
3781 static void sonypi_compat_report_event(u8 event) { }
3782 #endif /* CONFIG_SONYPI_COMPAT */
3788 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3791 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3793 switch (resource->type) {
3794 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3796 /* start IO enumeration */
3797 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3801 list_add(&ioport->list, &dev->ioports);
3805 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3806 /* end IO enumeration */
3809 case ACPI_RESOURCE_TYPE_IRQ:
3811 struct acpi_resource_irq *p = &resource->data.irq;
3812 struct sony_pic_irq *interrupt = NULL;
3813 if (!p || !p->interrupt_count) {
3815 * IRQ descriptors may have no IRQ# bits set,
3816 * particularly those those w/ _STA disabled
3818 dprintk("Blank IRQ resource\n");
3821 for (i = 0; i < p->interrupt_count; i++) {
3822 if (!p->interrupts[i]) {
3823 pr_warn("Invalid IRQ %d\n",
3827 interrupt = kzalloc(sizeof(*interrupt),
3832 list_add(&interrupt->list, &dev->interrupts);
3833 interrupt->irq.triggering = p->triggering;
3834 interrupt->irq.polarity = p->polarity;
3835 interrupt->irq.sharable = p->sharable;
3836 interrupt->irq.interrupt_count = 1;
3837 interrupt->irq.interrupts[0] = p->interrupts[i];
3841 case ACPI_RESOURCE_TYPE_IO:
3843 struct acpi_resource_io *io = &resource->data.io;
3844 struct sony_pic_ioport *ioport =
3845 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3847 dprintk("Blank IO resource\n");
3851 if (!ioport->io1.minimum) {
3852 memcpy(&ioport->io1, io, sizeof(*io));
3853 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3854 ioport->io1.address_length);
3856 else if (!ioport->io2.minimum) {
3857 memcpy(&ioport->io2, io, sizeof(*io));
3858 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3859 ioport->io2.address_length);
3862 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3868 dprintk("Resource %d isn't an IRQ nor an IO port\n",
3871 case ACPI_RESOURCE_TYPE_END_TAG:
3874 return AE_CTRL_TERMINATE;
3877 static int sony_pic_possible_resources(struct acpi_device *device)
3880 acpi_status status = AE_OK;
3885 /* get device status */
3886 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
3887 dprintk("Evaluating _STA\n");
3888 result = acpi_bus_get_status(device);
3890 pr_warn("Unable to read status\n");
3894 if (!device->status.enabled)
3895 dprintk("Device disabled\n");
3897 dprintk("Device enabled\n");
3900 * Query and parse 'method'
3902 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
3903 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
3904 sony_pic_read_possible_resource, &spic_dev);
3905 if (ACPI_FAILURE(status)) {
3906 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
3914 * Disable the spic device by calling its _DIS method
3916 static int sony_pic_disable(struct acpi_device *device)
3918 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
3921 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
3924 dprintk("Device disabled\n");
3930 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
3932 * Call _SRS to set current resources
3934 static int sony_pic_enable(struct acpi_device *device,
3935 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
3939 /* Type 1 resource layout is:
3945 * Type 2 and 3 resource layout is:
3951 struct acpi_resource res1;
3952 struct acpi_resource res2;
3953 struct acpi_resource res3;
3954 struct acpi_resource res4;
3956 struct acpi_buffer buffer = { 0, NULL };
3958 if (!ioport || !irq)
3961 /* init acpi_buffer */
3962 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
3966 buffer.length = sizeof(*resource) + 1;
3967 buffer.pointer = resource;
3969 /* setup Type 1 resources */
3970 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3972 /* setup io resources */
3973 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3974 resource->res1.length = sizeof(struct acpi_resource);
3975 memcpy(&resource->res1.data.io, &ioport->io1,
3976 sizeof(struct acpi_resource_io));
3978 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
3979 resource->res2.length = sizeof(struct acpi_resource);
3980 memcpy(&resource->res2.data.io, &ioport->io2,
3981 sizeof(struct acpi_resource_io));
3983 /* setup irq resource */
3984 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
3985 resource->res3.length = sizeof(struct acpi_resource);
3986 memcpy(&resource->res3.data.irq, &irq->irq,
3987 sizeof(struct acpi_resource_irq));
3988 /* we requested a shared irq */
3989 resource->res3.data.irq.sharable = ACPI_SHARED;
3991 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
3994 /* setup Type 2/3 resources */
3996 /* setup io resource */
3997 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3998 resource->res1.length = sizeof(struct acpi_resource);
3999 memcpy(&resource->res1.data.io, &ioport->io1,
4000 sizeof(struct acpi_resource_io));
4002 /* setup irq resource */
4003 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4004 resource->res2.length = sizeof(struct acpi_resource);
4005 memcpy(&resource->res2.data.irq, &irq->irq,
4006 sizeof(struct acpi_resource_irq));
4007 /* we requested a shared irq */
4008 resource->res2.data.irq.sharable = ACPI_SHARED;
4010 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4013 /* Attempt to set the resource */
4014 dprintk("Evaluating _SRS\n");
4015 status = acpi_set_current_resources(device->handle, &buffer);
4017 /* check for total failure */
4018 if (ACPI_FAILURE(status)) {
4019 pr_err("Error evaluating _SRS\n");
4024 /* Necessary device initializations calls (from sonypi) */
4025 sony_pic_call1(0x82);
4026 sony_pic_call2(0x81, 0xff);
4027 sony_pic_call1(compat ? 0x92 : 0x82);
4036 * ISR: some event is available
4039 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4044 u8 device_event = 0;
4046 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4048 ev = inb_p(dev->cur_ioport->io1.minimum);
4049 if (dev->cur_ioport->io2.minimum)
4050 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4052 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4053 dev->evport_offset);
4055 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4056 ev, data_mask, dev->cur_ioport->io1.minimum,
4057 dev->evport_offset);
4059 if (ev == 0x00 || ev == 0xff)
4062 for (i = 0; dev->event_types[i].mask; i++) {
4064 if ((data_mask & dev->event_types[i].data) !=
4065 dev->event_types[i].data)
4068 if (!(mask & dev->event_types[i].mask))
4071 for (j = 0; dev->event_types[i].events[j].event; j++) {
4072 if (ev == dev->event_types[i].events[j].data) {
4074 dev->event_types[i].events[j].event;
4075 /* some events may require ignoring */
4082 /* Still not able to decode the event try to pass
4083 * it over to the minidriver
4085 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4088 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4089 ev, data_mask, dev->cur_ioport->io1.minimum,
4090 dev->evport_offset);
4094 sony_laptop_report_input_event(device_event);
4095 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
4096 sonypi_compat_report_event(device_event);
4105 static int sony_pic_remove(struct acpi_device *device, int type)
4107 struct sony_pic_ioport *io, *tmp_io;
4108 struct sony_pic_irq *irq, *tmp_irq;
4110 if (sony_pic_disable(device)) {
4111 pr_err("Couldn't disable device\n");
4115 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4116 release_region(spic_dev.cur_ioport->io1.minimum,
4117 spic_dev.cur_ioport->io1.address_length);
4118 if (spic_dev.cur_ioport->io2.minimum)
4119 release_region(spic_dev.cur_ioport->io2.minimum,
4120 spic_dev.cur_ioport->io2.address_length);
4122 sonypi_compat_exit();
4124 sony_laptop_remove_input();
4127 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4130 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4131 list_del(&io->list);
4134 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4135 list_del(&irq->list);
4138 spic_dev.cur_ioport = NULL;
4139 spic_dev.cur_irq = NULL;
4141 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4145 static int sony_pic_add(struct acpi_device *device)
4148 struct sony_pic_ioport *io, *tmp_io;
4149 struct sony_pic_irq *irq, *tmp_irq;
4151 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4153 spic_dev.acpi_dev = device;
4154 strcpy(acpi_device_class(device), "sony/hotkey");
4155 sony_pic_detect_device_type(&spic_dev);
4156 mutex_init(&spic_dev.lock);
4158 /* read _PRS resources */
4159 result = sony_pic_possible_resources(device);
4161 pr_err("Unable to read possible resources\n");
4162 goto err_free_resources;
4165 /* setup input devices and helper fifo */
4166 result = sony_laptop_setup_input(device);
4168 pr_err("Unable to create input devices\n");
4169 goto err_free_resources;
4172 if (sonypi_compat_init())
4173 goto err_remove_input;
4175 /* request io port */
4176 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4177 if (request_region(io->io1.minimum, io->io1.address_length,
4178 "Sony Programmable I/O Device")) {
4179 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4180 io->io1.minimum, io->io1.maximum,
4181 io->io1.address_length);
4182 /* Type 1 have 2 ioports */
4183 if (io->io2.minimum) {
4184 if (request_region(io->io2.minimum,
4185 io->io2.address_length,
4186 "Sony Programmable I/O Device")) {
4187 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4188 io->io2.minimum, io->io2.maximum,
4189 io->io2.address_length);
4190 spic_dev.cur_ioport = io;
4194 dprintk("Unable to get I/O port2: "
4195 "0x%.4x (0x%.4x) + 0x%.2x\n",
4196 io->io2.minimum, io->io2.maximum,
4197 io->io2.address_length);
4198 release_region(io->io1.minimum,
4199 io->io1.address_length);
4203 spic_dev.cur_ioport = io;
4208 if (!spic_dev.cur_ioport) {
4209 pr_err("Failed to request_region\n");
4211 goto err_remove_compat;
4215 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4216 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4217 0, "sony-laptop", &spic_dev)) {
4218 dprintk("IRQ: %d - triggering: %d - "
4219 "polarity: %d - shr: %d\n",
4220 irq->irq.interrupts[0],
4221 irq->irq.triggering,
4224 spic_dev.cur_irq = irq;
4228 if (!spic_dev.cur_irq) {
4229 pr_err("Failed to request_irq\n");
4231 goto err_release_region;
4234 /* set resource status _SRS */
4235 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4237 pr_err("Couldn't enable device\n");
4241 spic_dev.bluetooth_power = -1;
4242 /* create device attributes */
4243 result = sony_pf_add();
4245 goto err_disable_device;
4247 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4257 sony_pic_disable(device);
4260 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4263 release_region(spic_dev.cur_ioport->io1.minimum,
4264 spic_dev.cur_ioport->io1.address_length);
4265 if (spic_dev.cur_ioport->io2.minimum)
4266 release_region(spic_dev.cur_ioport->io2.minimum,
4267 spic_dev.cur_ioport->io2.address_length);
4270 sonypi_compat_exit();
4273 sony_laptop_remove_input();
4276 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4277 list_del(&io->list);
4280 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4281 list_del(&irq->list);
4284 spic_dev.cur_ioport = NULL;
4285 spic_dev.cur_irq = NULL;
4290 static int sony_pic_suspend(struct device *dev)
4292 if (sony_pic_disable(to_acpi_device(dev)))
4297 static int sony_pic_resume(struct device *dev)
4299 sony_pic_enable(to_acpi_device(dev),
4300 spic_dev.cur_ioport, spic_dev.cur_irq);
4304 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4306 static const struct acpi_device_id sony_pic_device_ids[] = {
4311 static struct acpi_driver sony_pic_driver = {
4312 .name = SONY_PIC_DRIVER_NAME,
4313 .class = SONY_PIC_CLASS,
4314 .ids = sony_pic_device_ids,
4315 .owner = THIS_MODULE,
4317 .add = sony_pic_add,
4318 .remove = sony_pic_remove,
4320 .drv.pm = &sony_pic_pm,
4323 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4325 .ident = "Sony Vaio",
4327 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4328 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4332 .ident = "Sony Vaio",
4334 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4335 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4341 static int __init sony_laptop_init(void)
4345 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4346 result = acpi_bus_register_driver(&sony_pic_driver);
4348 pr_err("Unable to register SPIC driver\n");
4351 spic_drv_registered = 1;
4354 result = acpi_bus_register_driver(&sony_nc_driver);
4356 pr_err("Unable to register SNC driver\n");
4357 goto out_unregister_pic;
4363 if (spic_drv_registered)
4364 acpi_bus_unregister_driver(&sony_pic_driver);
4369 static void __exit sony_laptop_exit(void)
4371 acpi_bus_unregister_driver(&sony_nc_driver);
4372 if (spic_drv_registered)
4373 acpi_bus_unregister_driver(&sony_pic_driver);
4376 module_init(sony_laptop_init);
4377 module_exit(sony_laptop_exit);