2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
10 * The SNY6001 driver part is based on the sonypi driver which includes
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
17 * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
47 #include <linux/kernel.h>
48 #include <linux/module.h>
49 #include <linux/moduleparam.h>
50 #include <linux/init.h>
51 #include <linux/types.h>
52 #include <linux/backlight.h>
53 #include <linux/platform_device.h>
54 #include <linux/err.h>
55 #include <linux/dmi.h>
56 #include <linux/pci.h>
57 #include <linux/interrupt.h>
58 #include <linux/delay.h>
59 #include <linux/input.h>
60 #include <linux/kfifo.h>
61 #include <linux/workqueue.h>
62 #include <linux/acpi.h>
63 #include <linux/slab.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
71 #include <asm/uaccess.h>
73 #define dprintk(fmt, ...) \
76 pr_warn(fmt, ##__VA_ARGS__); \
79 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
81 #define SONY_NC_CLASS "sony-nc"
82 #define SONY_NC_HID "SNY5001"
83 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
85 #define SONY_PIC_CLASS "sony-pic"
86 #define SONY_PIC_HID "SNY6001"
87 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
89 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
90 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
91 MODULE_LICENSE("GPL");
92 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
95 module_param(debug, int, 0);
96 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
97 "the development of this driver");
99 static int no_spic; /* = 0 */
100 module_param(no_spic, int, 0444);
101 MODULE_PARM_DESC(no_spic,
102 "set this if you don't want to enable the SPIC device");
104 static int compat; /* = 0 */
105 module_param(compat, int, 0444);
106 MODULE_PARM_DESC(compat,
107 "set this if you want to enable backward compatibility mode");
109 static unsigned long mask = 0xffffffff;
110 module_param(mask, ulong, 0644);
111 MODULE_PARM_DESC(mask,
112 "set this to the mask of event you want to enable (see doc)");
114 static int camera; /* = 0 */
115 module_param(camera, int, 0444);
116 MODULE_PARM_DESC(camera,
117 "set this to 1 to enable Motion Eye camera controls "
118 "(only use it if you have a C1VE or C1VN model)");
120 #ifdef CONFIG_SONYPI_COMPAT
121 static int minor = -1;
122 module_param(minor, int, 0);
123 MODULE_PARM_DESC(minor,
124 "minor number of the misc device for the SPIC compatibility code, "
125 "default is -1 (automatic)");
128 static int kbd_backlight = -1;
129 module_param(kbd_backlight, int, 0444);
130 MODULE_PARM_DESC(kbd_backlight,
131 "set this to 0 to disable keyboard backlight, "
132 "1 to enable it (default: no change from current value)");
134 static int kbd_backlight_timeout = -1;
135 module_param(kbd_backlight_timeout, int, 0444);
136 MODULE_PARM_DESC(kbd_backlight_timeout,
137 "meaningful values vary from 0 to 3 and their meaning depends "
138 "on the model (default: no change from current value)");
140 #ifdef CONFIG_PM_SLEEP
141 static void sony_nc_thermal_resume(void);
143 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
144 unsigned int handle);
145 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
146 unsigned int handle);
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);
155 static int sony_nc_lid_resume_setup(struct platform_device *pd);
156 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
158 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
159 unsigned int handle);
160 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
161 static int __sony_nc_gfx_switch_status_get(void);
163 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
164 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
166 static int sony_nc_touchpad_setup(struct platform_device *pd,
167 unsigned int handle);
168 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
170 enum sony_nc_rfkill {
178 static int sony_rfkill_handle;
179 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
180 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
181 static int sony_nc_rfkill_setup(struct acpi_device *device,
182 unsigned int handle);
183 static void sony_nc_rfkill_cleanup(void);
184 static void sony_nc_rfkill_update(void);
186 /*********** Input Devices ***********/
188 #define SONY_LAPTOP_BUF_SIZE 128
189 struct sony_laptop_input_s {
191 struct input_dev *jog_dev;
192 struct input_dev *key_dev;
194 spinlock_t fifo_lock;
195 struct timer_list release_key_timer;
198 static struct sony_laptop_input_s sony_laptop_input = {
199 .users = ATOMIC_INIT(0),
202 struct sony_laptop_keypress {
203 struct input_dev *dev;
207 /* Correspondance table between sonypi events
208 * and input layer indexes in the keymap
210 static int sony_laptop_input_index[] = {
212 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
213 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
214 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
215 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
216 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
217 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
218 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
219 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
220 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
221 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
222 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
223 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
224 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
225 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
226 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
227 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
228 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
229 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
230 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
231 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
232 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
233 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
234 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
235 17, /* 24 SONYPI_EVENT_FNKEY_1 */
236 18, /* 25 SONYPI_EVENT_FNKEY_2 */
237 19, /* 26 SONYPI_EVENT_FNKEY_D */
238 20, /* 27 SONYPI_EVENT_FNKEY_E */
239 21, /* 28 SONYPI_EVENT_FNKEY_F */
240 22, /* 29 SONYPI_EVENT_FNKEY_S */
241 23, /* 30 SONYPI_EVENT_FNKEY_B */
242 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
243 25, /* 32 SONYPI_EVENT_PKEY_P1 */
244 26, /* 33 SONYPI_EVENT_PKEY_P2 */
245 27, /* 34 SONYPI_EVENT_PKEY_P3 */
246 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
247 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
248 -1, /* 37 SONYPI_EVENT_LID_OPENED */
249 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
250 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
251 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
252 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
253 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
254 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
255 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
256 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
257 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
258 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
259 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
260 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
261 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
262 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
263 43, /* 52 SONYPI_EVENT_MEYE_FACE */
264 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
265 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
266 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
267 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
268 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
269 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
270 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
271 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
272 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
273 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
274 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
275 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
276 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
277 53, /* 66 SONYPI_EVENT_PKEY_P4 */
278 54, /* 67 SONYPI_EVENT_PKEY_P5 */
279 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
280 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
281 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
282 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
283 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
284 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
287 static int sony_laptop_input_keycode_map[] = {
288 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
289 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
290 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
291 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
292 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
293 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
294 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
295 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
296 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
297 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
298 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
299 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
300 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
301 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
302 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
303 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
304 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
305 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
306 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
307 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
308 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
309 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
310 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
311 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
312 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
313 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
314 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
315 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
316 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
317 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
318 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
319 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
320 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
321 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
322 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
323 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
324 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
325 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
326 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
327 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
328 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
329 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
330 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
331 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
332 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
333 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
334 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
335 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
336 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
337 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
338 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
339 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
340 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
341 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
342 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
343 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
344 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
345 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
346 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
347 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
350 /* release buttons after a short delay if pressed */
351 static void do_sony_laptop_release_key(unsigned long unused)
353 struct sony_laptop_keypress kp;
356 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
358 if (kfifo_out(&sony_laptop_input.fifo,
359 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
360 input_report_key(kp.dev, kp.key, 0);
364 /* If there is something in the fifo schedule next release. */
365 if (kfifo_len(&sony_laptop_input.fifo) != 0)
366 mod_timer(&sony_laptop_input.release_key_timer,
367 jiffies + msecs_to_jiffies(10));
369 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
372 /* forward event to the input subsystem */
373 static void sony_laptop_report_input_event(u8 event)
375 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
376 struct input_dev *key_dev = sony_laptop_input.key_dev;
377 struct sony_laptop_keypress kp = { NULL };
380 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
381 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
382 /* Nothing, not all VAIOs generate this event */
389 case SONYPI_EVENT_JOGDIAL_UP:
390 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
391 input_report_rel(jog_dev, REL_WHEEL, 1);
395 case SONYPI_EVENT_JOGDIAL_DOWN:
396 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
397 input_report_rel(jog_dev, REL_WHEEL, -1);
402 case SONYPI_EVENT_JOGDIAL_PRESSED:
408 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
409 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
412 if ((scancode = sony_laptop_input_index[event]) != -1) {
413 kp.key = sony_laptop_input_keycode_map[scancode];
414 if (kp.key != KEY_UNKNOWN)
421 /* if we have a scancode we emit it so we can always
424 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
425 input_report_key(kp.dev, kp.key, 1);
428 /* schedule key release */
429 kfifo_in_locked(&sony_laptop_input.fifo,
430 (unsigned char *)&kp, sizeof(kp),
431 &sony_laptop_input.fifo_lock);
432 mod_timer(&sony_laptop_input.release_key_timer,
433 jiffies + msecs_to_jiffies(10));
435 dprintk("unknown input event %.2x\n", event);
438 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
440 struct input_dev *jog_dev;
441 struct input_dev *key_dev;
445 /* don't run again if already initialized */
446 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
450 spin_lock_init(&sony_laptop_input.fifo_lock);
451 error = kfifo_alloc(&sony_laptop_input.fifo,
452 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
454 pr_err("kfifo_alloc failed\n");
458 setup_timer(&sony_laptop_input.release_key_timer,
459 do_sony_laptop_release_key, 0);
462 key_dev = input_allocate_device();
468 key_dev->name = "Sony Vaio Keys";
469 key_dev->id.bustype = BUS_ISA;
470 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
471 key_dev->dev.parent = &acpi_device->dev;
473 /* Initialize the Input Drivers: special keys */
474 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
476 __set_bit(EV_KEY, key_dev->evbit);
477 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
478 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
479 key_dev->keycode = &sony_laptop_input_keycode_map;
480 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
481 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
482 __clear_bit(KEY_RESERVED, key_dev->keybit);
484 error = input_register_device(key_dev);
486 goto err_free_keydev;
488 sony_laptop_input.key_dev = key_dev;
491 jog_dev = input_allocate_device();
494 goto err_unregister_keydev;
497 jog_dev->name = "Sony Vaio Jogdial";
498 jog_dev->id.bustype = BUS_ISA;
499 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
500 jog_dev->dev.parent = &acpi_device->dev;
502 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
503 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
505 error = input_register_device(jog_dev);
507 goto err_free_jogdev;
509 sony_laptop_input.jog_dev = jog_dev;
514 input_free_device(jog_dev);
516 err_unregister_keydev:
517 input_unregister_device(key_dev);
518 /* to avoid kref underflow below at input_free_device */
522 input_free_device(key_dev);
525 kfifo_free(&sony_laptop_input.fifo);
528 atomic_dec(&sony_laptop_input.users);
532 static void sony_laptop_remove_input(void)
534 struct sony_laptop_keypress kp = { NULL };
536 /* Cleanup only after the last user has gone */
537 if (!atomic_dec_and_test(&sony_laptop_input.users))
540 del_timer_sync(&sony_laptop_input.release_key_timer);
543 * Generate key-up events for remaining keys. Note that we don't
544 * need locking since nobody is adding new events to the kfifo.
546 while (kfifo_out(&sony_laptop_input.fifo,
547 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
548 input_report_key(kp.dev, kp.key, 0);
552 /* destroy input devs */
553 input_unregister_device(sony_laptop_input.key_dev);
554 sony_laptop_input.key_dev = NULL;
556 if (sony_laptop_input.jog_dev) {
557 input_unregister_device(sony_laptop_input.jog_dev);
558 sony_laptop_input.jog_dev = NULL;
561 kfifo_free(&sony_laptop_input.fifo);
564 /*********** Platform Device ***********/
566 static atomic_t sony_pf_users = ATOMIC_INIT(0);
567 static struct platform_driver sony_pf_driver = {
569 .name = "sony-laptop",
570 .owner = THIS_MODULE,
573 static struct platform_device *sony_pf_device;
575 static int sony_pf_add(void)
579 /* don't run again if already initialized */
580 if (atomic_add_return(1, &sony_pf_users) > 1)
583 ret = platform_driver_register(&sony_pf_driver);
587 sony_pf_device = platform_device_alloc("sony-laptop", -1);
588 if (!sony_pf_device) {
590 goto out_platform_registered;
593 ret = platform_device_add(sony_pf_device);
595 goto out_platform_alloced;
599 out_platform_alloced:
600 platform_device_put(sony_pf_device);
601 sony_pf_device = NULL;
602 out_platform_registered:
603 platform_driver_unregister(&sony_pf_driver);
605 atomic_dec(&sony_pf_users);
609 static void sony_pf_remove(void)
611 /* deregister only after the last user has gone */
612 if (!atomic_dec_and_test(&sony_pf_users))
615 platform_device_unregister(sony_pf_device);
616 platform_driver_unregister(&sony_pf_driver);
619 /*********** SNC (SNY5001) Device ***********/
621 /* the device uses 1-based values, while the backlight subsystem uses
623 #define SONY_MAX_BRIGHTNESS 8
625 #define SNC_VALIDATE_IN 0
626 #define SNC_VALIDATE_OUT 1
628 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
630 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
631 const char *, size_t);
632 static int boolean_validate(const int, const int);
633 static int brightness_default_validate(const int, const int);
635 struct sony_nc_value {
636 char *name; /* name of the entry */
637 char **acpiget; /* names of the ACPI get function */
638 char **acpiset; /* names of the ACPI set function */
639 int (*validate)(const int, const int); /* input/output validation */
640 int value; /* current setting */
641 int valid; /* Has ever been set */
642 int debug; /* active only in debug mode ? */
643 struct device_attribute devattr; /* sysfs attribute */
646 #define SNC_HANDLE_NAMES(_name, _values...) \
647 static char *snc_##_name[] = { _values, NULL }
649 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
651 .name = __stringify(_name), \
652 .acpiget = _getters, \
653 .acpiset = _setters, \
654 .validate = _validate, \
656 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
659 #define SNC_HANDLE_NULL { .name = NULL }
661 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
663 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
664 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
666 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
667 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
669 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
670 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
672 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
673 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
675 SNC_HANDLE_NAMES(lidstate_get, "GLID");
677 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
678 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
680 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
681 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
683 SNC_HANDLE_NAMES(PID_get, "GPID");
685 SNC_HANDLE_NAMES(CTR_get, "GCTR");
686 SNC_HANDLE_NAMES(CTR_set, "SCTR");
688 SNC_HANDLE_NAMES(PCR_get, "GPCR");
689 SNC_HANDLE_NAMES(PCR_set, "SPCR");
691 SNC_HANDLE_NAMES(CMI_get, "GCMI");
692 SNC_HANDLE_NAMES(CMI_set, "SCMI");
694 static struct sony_nc_value sony_nc_values[] = {
695 SNC_HANDLE(brightness_default, snc_brightness_def_get,
696 snc_brightness_def_set, brightness_default_validate, 0),
697 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
698 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
699 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
700 boolean_validate, 0),
701 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
702 boolean_validate, 1),
703 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
704 boolean_validate, 0),
705 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
706 boolean_validate, 0),
707 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
708 boolean_validate, 0),
709 /* unknown methods */
710 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
711 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
712 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
713 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
717 static acpi_handle sony_nc_acpi_handle;
718 static struct acpi_device *sony_nc_acpi_device = NULL;
721 * acpi_evaluate_object wrappers
722 * all useful calls into SNC methods take one or zero parameters and return
723 * integers or arrays.
725 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
728 union acpi_object *result = NULL;
729 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
733 struct acpi_object_list params;
734 union acpi_object in;
735 in.type = ACPI_TYPE_INTEGER;
736 in.integer.value = *value;
738 params.pointer = ∈
739 status = acpi_evaluate_object(handle, method, ¶ms, &output);
740 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
741 (unsigned int)(*value >> 32),
742 (unsigned int)*value & 0xffffffff);
744 status = acpi_evaluate_object(handle, method, NULL, &output);
745 dprintk("__call_snc_method: [%s]\n", method);
748 if (ACPI_FAILURE(status)) {
749 pr_err("Failed to evaluate [%s]\n", method);
753 result = (union acpi_object *) output.pointer;
755 dprintk("No return object [%s]\n", method);
760 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
763 union acpi_object *object = NULL;
766 object = __call_snc_method(handle, name, &v);
768 object = __call_snc_method(handle, name, NULL);
773 if (object->type != ACPI_TYPE_INTEGER) {
774 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
775 ACPI_TYPE_INTEGER, object->type);
781 *result = object->integer.value;
787 #define MIN(a, b) (a > b ? b : a)
788 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
789 void *buffer, size_t buflen)
793 union acpi_object *object = __call_snc_method(handle, name, value);
798 if (object->type == ACPI_TYPE_BUFFER) {
799 len = MIN(buflen, object->buffer.length);
800 memcpy(buffer, object->buffer.pointer, len);
802 } else if (object->type == ACPI_TYPE_INTEGER) {
803 len = MIN(buflen, sizeof(object->integer.value));
804 memcpy(buffer, &object->integer.value, len);
807 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
808 ACPI_TYPE_BUFFER, object->type);
816 struct sony_nc_handles {
818 struct device_attribute devattr;
821 static struct sony_nc_handles *handles;
823 static ssize_t sony_nc_handles_show(struct device *dev,
824 struct device_attribute *attr, char *buffer)
829 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
830 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
833 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
838 static int sony_nc_handles_setup(struct platform_device *pd)
840 int i, r, result, arg;
842 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
846 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
848 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
851 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
853 handles->cap[i] = result;
858 sysfs_attr_init(&handles->devattr.attr);
859 handles->devattr.attr.name = "handles";
860 handles->devattr.attr.mode = S_IRUGO;
861 handles->devattr.show = sony_nc_handles_show;
863 /* allow reading capabilities via sysfs */
864 if (device_create_file(&pd->dev, &handles->devattr)) {
874 static int sony_nc_handles_cleanup(struct platform_device *pd)
878 device_remove_file(&pd->dev, &handles->devattr);
885 static int sony_find_snc_handle(int handle)
889 /* not initialized yet, return early */
890 if (!handles || !handle)
893 for (i = 0; i < 0x10; i++) {
894 if (handles->cap[i] == handle) {
895 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
900 dprintk("handle 0x%.4x not found\n", handle);
904 static int sony_call_snc_handle(int handle, int argument, int *result)
907 int offset = sony_find_snc_handle(handle);
912 arg = offset | argument;
913 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
914 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
919 * sony_nc_values input/output validate functions
922 /* brightness_default_validate:
924 * manipulate input output values to keep consistency with the
925 * backlight framework for which brightness values are 0-based.
927 static int brightness_default_validate(const int direction, const int value)
930 case SNC_VALIDATE_OUT:
932 case SNC_VALIDATE_IN:
933 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
941 * on input validate boolean values 0/1, on output just pass the
944 static int boolean_validate(const int direction, const int value)
946 if (direction == SNC_VALIDATE_IN) {
947 if (value != 0 && value != 1)
954 * Sysfs show/store common to all sony_nc_values
956 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
960 struct sony_nc_value *item =
961 container_of(attr, struct sony_nc_value, devattr);
966 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
972 value = item->validate(SNC_VALIDATE_OUT, value);
974 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
977 static ssize_t sony_nc_sysfs_store(struct device *dev,
978 struct device_attribute *attr,
979 const char *buffer, size_t count)
983 struct sony_nc_value *item =
984 container_of(attr, struct sony_nc_value, devattr);
992 if (kstrtoint(buffer, 10, &value))
996 value = item->validate(SNC_VALIDATE_IN, value);
1001 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1006 item->value = value;
1015 struct sony_backlight_props {
1016 struct backlight_device *dev;
1022 struct sony_backlight_props sony_bl_props;
1024 static int sony_backlight_update_status(struct backlight_device *bd)
1026 int arg = bd->props.brightness + 1;
1027 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1030 static int sony_backlight_get_brightness(struct backlight_device *bd)
1034 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1036 /* brightness levels are 1-based, while backlight ones are 0-based */
1040 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1043 struct sony_backlight_props *sdev =
1044 (struct sony_backlight_props *)bl_get_data(bd);
1046 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1048 return (result & 0xff) - sdev->offset;
1051 static int sony_nc_update_status_ng(struct backlight_device *bd)
1054 struct sony_backlight_props *sdev =
1055 (struct sony_backlight_props *)bl_get_data(bd);
1057 value = bd->props.brightness + sdev->offset;
1058 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1065 static const struct backlight_ops sony_backlight_ops = {
1066 .options = BL_CORE_SUSPENDRESUME,
1067 .update_status = sony_backlight_update_status,
1068 .get_brightness = sony_backlight_get_brightness,
1070 static const struct backlight_ops sony_backlight_ng_ops = {
1071 .options = BL_CORE_SUSPENDRESUME,
1072 .update_status = sony_nc_update_status_ng,
1073 .get_brightness = sony_nc_get_brightness_ng,
1077 * New SNC-only Vaios event mapping to driver known keys
1079 struct sony_nc_event {
1084 static struct sony_nc_event sony_100_events[] = {
1085 { 0x90, SONYPI_EVENT_PKEY_P1 },
1086 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1087 { 0x91, SONYPI_EVENT_PKEY_P2 },
1088 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1089 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1090 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1091 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1092 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1093 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1094 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1095 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1096 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1097 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1098 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1099 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1100 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1101 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1102 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1103 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1104 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1106 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1108 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1110 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1111 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1112 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1113 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1114 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1115 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1116 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1117 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1118 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1119 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1120 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1121 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1122 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1123 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1124 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1128 static struct sony_nc_event sony_127_events[] = {
1129 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1130 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 { 0x82, SONYPI_EVENT_PKEY_P1 },
1132 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0x83, SONYPI_EVENT_PKEY_P2 },
1134 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0x84, SONYPI_EVENT_PKEY_P3 },
1136 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0x85, SONYPI_EVENT_PKEY_P4 },
1138 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 { 0x86, SONYPI_EVENT_PKEY_P5 },
1140 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1142 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1146 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1149 unsigned int result = 0;
1150 struct sony_nc_event *key_event;
1152 if (sony_call_snc_handle(handle, 0x200, &result)) {
1153 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1160 if (handle == 0x0100)
1161 key_event = sony_100_events;
1163 key_event = sony_127_events;
1165 for (; key_event->data; key_event++) {
1166 if (key_event->data == result) {
1167 ret = key_event->event;
1172 if (!key_event->data)
1173 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1174 event, result, handle);
1187 static void sony_nc_notify(struct acpi_device *device, u32 event)
1189 u32 real_ev = event;
1191 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1193 if (event >= 0x90) {
1194 unsigned int result = 0;
1195 unsigned int arg = 0;
1196 unsigned int handle = 0;
1197 unsigned int offset = event - 0x90;
1199 if (offset >= ARRAY_SIZE(handles->cap)) {
1200 pr_err("Event 0x%x outside of capabilities list\n",
1204 handle = handles->cap[offset];
1206 /* list of handles known for generating events */
1212 real_ev = sony_nc_hotkeys_decode(event, handle);
1215 sony_laptop_report_input_event(real_ev);
1217 /* restore the original event for reporting */
1225 /* events on this handle are reported when the
1226 * switch changes position or for battery
1227 * events. We'll notify both of them but only
1228 * update the rfkill device status when the
1231 ev_type = KILLSWITCH;
1232 sony_call_snc_handle(handle, 0x0100, &result);
1233 real_ev = result & 0x03;
1235 /* hw switch event */
1237 sony_nc_rfkill_update();
1243 /* Hybrid GFX switching */
1244 sony_call_snc_handle(handle, 0x0000, &result);
1245 dprintk("GFX switch event received (reason: %s)\n",
1246 (result == 0x1) ? "switch change" :
1247 (result == 0x2) ? "output switch" :
1248 (result == 0x3) ? "output switch" :
1251 ev_type = GFX_SWITCH;
1252 real_ev = __sony_nc_gfx_switch_status_get();
1256 /* Hybrid GFX switching SVS151290S */
1257 ev_type = GFX_SWITCH;
1258 real_ev = __sony_nc_gfx_switch_status_get();
1261 dprintk("Unknown event 0x%x for handle 0x%x\n",
1266 /* clear the event (and the event reason when present) */
1268 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1271 /* old style event */
1273 sony_laptop_report_input_event(real_ev);
1275 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1276 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1279 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1280 void *context, void **return_value)
1282 struct acpi_device_info *info;
1284 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1285 pr_warn("method: name: %4.4s, args %X\n",
1286 (char *)&info->name, info->param_count);
1297 static void sony_nc_function_setup(struct acpi_device *device,
1298 struct platform_device *pf_device)
1300 unsigned int i, result, bitmask, arg;
1305 /* setup found handles here */
1306 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1307 unsigned int handle = handles->cap[i];
1312 dprintk("setting up handle 0x%.4x\n", handle);
1319 sony_call_snc_handle(handle, 0, &result);
1323 sony_call_snc_handle(handle, 0x100, &result);
1327 /* touchpad enable/disable */
1328 result = sony_nc_touchpad_setup(pf_device, handle);
1330 pr_err("couldn't set up touchpad control function (%d)\n",
1336 result = sony_nc_battery_care_setup(pf_device, handle);
1338 pr_err("couldn't set up battery care function (%d)\n",
1342 result = sony_nc_lid_resume_setup(pf_device);
1344 pr_err("couldn't set up lid resume function (%d)\n",
1348 result = sony_nc_thermal_setup(pf_device);
1350 pr_err("couldn't set up thermal profile function (%d)\n",
1356 result = sony_nc_gfx_switch_setup(pf_device, handle);
1358 pr_err("couldn't set up GFX Switch status (%d)\n",
1362 result = sony_nc_highspeed_charging_setup(pf_device);
1364 pr_err("couldn't set up high speed charging function (%d)\n",
1369 result = sony_nc_rfkill_setup(device, handle);
1371 pr_err("couldn't set up rfkill support (%d)\n",
1379 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1381 pr_err("couldn't set up keyboard backlight function (%d)\n",
1389 /* Enable all events */
1391 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1392 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1396 static void sony_nc_function_cleanup(struct platform_device *pd)
1398 unsigned int i, result, bitmask, handle;
1400 /* get enabled events and disable them */
1401 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1402 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1404 /* cleanup handles here */
1405 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1407 handle = handles->cap[i];
1415 sony_nc_touchpad_cleanup(pd);
1420 sony_nc_battery_care_cleanup(pd);
1423 sony_nc_lid_resume_cleanup(pd);
1426 sony_nc_thermal_cleanup(pd);
1431 sony_nc_gfx_switch_cleanup(pd);
1434 sony_nc_highspeed_charging_cleanup(pd);
1438 sony_nc_rfkill_cleanup();
1445 sony_nc_kbd_backlight_cleanup(pd, handle);
1452 /* finally cleanup the handles list */
1453 sony_nc_handles_cleanup(pd);
1456 #ifdef CONFIG_PM_SLEEP
1457 static void sony_nc_function_resume(void)
1459 unsigned int i, result, bitmask, arg;
1461 dprintk("Resuming SNC device\n");
1463 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1464 unsigned int handle = handles->cap[i];
1473 /* re-enable hotkeys */
1474 sony_call_snc_handle(handle, 0, &result);
1477 /* re-enable hotkeys */
1478 sony_call_snc_handle(handle, 0x100, &result);
1481 sony_nc_thermal_resume();
1485 sony_nc_rfkill_update();
1492 /* Enable all events */
1494 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1495 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1499 static int sony_nc_resume(struct device *dev)
1501 struct sony_nc_value *item;
1503 for (item = sony_nc_values; item->name; item++) {
1508 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1509 &item->value, NULL);
1511 pr_err("%s: %d\n", __func__, ret);
1516 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1518 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1519 dprintk("ECON Method failed\n");
1522 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1523 sony_nc_function_resume();
1529 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1531 static void sony_nc_rfkill_cleanup(void)
1535 for (i = 0; i < N_SONY_RFKILL; i++) {
1536 if (sony_rfkill_devices[i]) {
1537 rfkill_unregister(sony_rfkill_devices[i]);
1538 rfkill_destroy(sony_rfkill_devices[i]);
1543 static int sony_nc_rfkill_set(void *data, bool blocked)
1546 int argument = sony_rfkill_address[(long) data] + 0x100;
1549 argument |= 0x070000;
1551 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1554 static const struct rfkill_ops sony_rfkill_ops = {
1555 .set_block = sony_nc_rfkill_set,
1558 static int sony_nc_setup_rfkill(struct acpi_device *device,
1559 enum sony_nc_rfkill nc_type)
1563 enum rfkill_type type;
1566 bool hwblock, swblock;
1570 type = RFKILL_TYPE_WLAN;
1573 case SONY_BLUETOOTH:
1574 type = RFKILL_TYPE_BLUETOOTH;
1575 name = "sony-bluetooth";
1578 type = RFKILL_TYPE_WWAN;
1582 type = RFKILL_TYPE_WIMAX;
1583 name = "sony-wimax";
1589 rfk = rfkill_alloc(name, &device->dev, type,
1590 &sony_rfkill_ops, (void *)nc_type);
1594 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1595 rfkill_destroy(rfk);
1598 hwblock = !(result & 0x1);
1600 if (sony_call_snc_handle(sony_rfkill_handle,
1601 sony_rfkill_address[nc_type],
1603 rfkill_destroy(rfk);
1606 swblock = !(result & 0x2);
1608 rfkill_init_sw_state(rfk, swblock);
1609 rfkill_set_hw_state(rfk, hwblock);
1611 err = rfkill_register(rfk);
1613 rfkill_destroy(rfk);
1616 sony_rfkill_devices[nc_type] = rfk;
1620 static void sony_nc_rfkill_update(void)
1622 enum sony_nc_rfkill i;
1626 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1627 hwblock = !(result & 0x1);
1629 for (i = 0; i < N_SONY_RFKILL; i++) {
1630 int argument = sony_rfkill_address[i];
1632 if (!sony_rfkill_devices[i])
1636 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1637 /* we already know we're blocked */
1642 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1643 rfkill_set_states(sony_rfkill_devices[i],
1644 !(result & 0x2), false);
1648 static int sony_nc_rfkill_setup(struct acpi_device *device,
1649 unsigned int handle)
1653 unsigned char buffer[32] = { 0 };
1655 offset = sony_find_snc_handle(handle);
1656 sony_rfkill_handle = handle;
1658 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1663 /* The buffer is filled with magic numbers describing the devices
1664 * available, 0xff terminates the enumeration.
1668 * 0x20 WWAN GPRS-EDGE
1672 * 0x25 Gobi WWAN no GPS
1673 * 0x26 Gobi WWAN + GPS
1674 * 0x28 Gobi WWAN no GPS
1675 * 0x29 Gobi WWAN + GPS
1677 * 0x50 Gobi WWAN no GPS
1678 * 0x51 Gobi WWAN + GPS
1679 * 0x70 no SIM card slot
1680 * 0x71 SIM card slot
1682 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1684 if (buffer[i] == 0xff)
1687 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1689 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1690 sony_nc_setup_rfkill(device, SONY_WIFI);
1692 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1693 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1695 if (((0xf0 & buffer[i]) == 0x20 ||
1696 (0xf0 & buffer[i]) == 0x50) &&
1697 !sony_rfkill_devices[SONY_WWAN])
1698 sony_nc_setup_rfkill(device, SONY_WWAN);
1700 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1701 sony_nc_setup_rfkill(device, SONY_WIMAX);
1706 /* Keyboard backlight feature */
1707 struct kbd_backlight {
1708 unsigned int handle;
1711 unsigned int timeout;
1712 struct device_attribute mode_attr;
1713 struct device_attribute timeout_attr;
1716 static struct kbd_backlight *kbdbl_ctl;
1718 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1725 if (sony_call_snc_handle(kbdbl_ctl->handle,
1726 (value << 0x10) | (kbdbl_ctl->base), &result))
1729 /* Try to turn the light on/off immediately */
1730 sony_call_snc_handle(kbdbl_ctl->handle,
1731 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1733 kbdbl_ctl->mode = value;
1738 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1739 struct device_attribute *attr,
1740 const char *buffer, size_t count)
1743 unsigned long value;
1748 if (kstrtoul(buffer, 10, &value))
1751 ret = __sony_nc_kbd_backlight_mode_set(value);
1758 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1759 struct device_attribute *attr, char *buffer)
1762 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1766 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1773 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1774 (kbdbl_ctl->base + 0x200), &result))
1777 kbdbl_ctl->timeout = value;
1782 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1783 struct device_attribute *attr,
1784 const char *buffer, size_t count)
1787 unsigned long value;
1792 if (kstrtoul(buffer, 10, &value))
1795 ret = __sony_nc_kbd_backlight_timeout_set(value);
1802 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1803 struct device_attribute *attr, char *buffer)
1806 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1810 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1811 unsigned int handle)
1817 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1818 handle, kbdbl_ctl->handle);
1822 /* verify the kbd backlight presence, these handles are not used for
1823 * keyboard backlight only
1825 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1830 if ((handle == 0x0137 && !(result & 0x02)) ||
1832 dprintk("no backlight keyboard found\n");
1836 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1840 kbdbl_ctl->mode = kbd_backlight;
1841 kbdbl_ctl->timeout = kbd_backlight_timeout;
1842 kbdbl_ctl->handle = handle;
1843 if (handle == 0x0137)
1844 kbdbl_ctl->base = 0x0C00;
1846 kbdbl_ctl->base = 0x4000;
1848 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1849 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1850 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1851 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1852 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1854 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1855 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1856 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1857 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1858 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1860 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1864 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1868 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1869 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1874 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1881 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1882 unsigned int handle)
1884 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1885 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1886 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
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 #ifdef CONFIG_PM_SLEEP
2214 static void sony_nc_thermal_resume(void)
2216 unsigned int status = sony_nc_thermal_mode_get();
2218 if (status != th_handle->mode)
2219 sony_nc_thermal_mode_set(th_handle->mode);
2223 /* resume on LID open */
2224 struct snc_lid_resume_control {
2225 struct device_attribute attrs[3];
2226 unsigned int status;
2228 static struct snc_lid_resume_control *lid_ctl;
2230 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2231 struct device_attribute *attr,
2232 const char *buffer, size_t count)
2234 unsigned int result, pos;
2235 unsigned long value;
2239 if (kstrtoul(buffer, 10, &value) || value > 1)
2242 /* the value we have to write to SNC is a bitmask:
2248 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2250 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2252 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2258 value = lid_ctl->status | (1 << pos);
2260 value = lid_ctl->status & ~(1 << pos);
2262 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2265 lid_ctl->status = value;
2270 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2271 struct device_attribute *attr, char *buffer)
2275 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2277 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2279 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2284 return snprintf(buffer, PAGE_SIZE, "%d\n",
2285 (lid_ctl->status >> pos) & 0x01);
2288 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2290 unsigned int result;
2293 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2296 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2300 lid_ctl->status = result & 0x7;
2302 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2303 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2304 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2305 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2306 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2308 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2309 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2310 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2311 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2312 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2314 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2315 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2316 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2317 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2318 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2320 for (i = 0; i < 3; i++) {
2321 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2329 for (i--; i >= 0; i--)
2330 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2338 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2343 for (i = 0; i < 3; i++)
2344 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2351 /* GFX Switch position */
2357 struct snc_gfx_switch_control {
2358 struct device_attribute attr;
2359 unsigned int handle;
2361 static struct snc_gfx_switch_control *gfxs_ctl;
2363 /* returns 0 for speed, 1 for stamina */
2364 static int __sony_nc_gfx_switch_status_get(void)
2366 unsigned int result;
2368 if (sony_call_snc_handle(gfxs_ctl->handle,
2369 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2373 switch (gfxs_ctl->handle) {
2375 /* 1: discrete GFX (speed)
2376 * 0: integrated GFX (stamina)
2378 return result & 0x1 ? SPEED : STAMINA;
2381 /* 0: discrete GFX (speed)
2382 * 1: integrated GFX (stamina)
2384 return result & 0x1 ? STAMINA : SPEED;
2387 /* it's a more elaborated bitmask, for now:
2388 * 2: integrated GFX (stamina)
2389 * 0: discrete GFX (speed)
2391 dprintk("GFX Status: 0x%x\n", result);
2392 return result & 0x80 ? AUTO :
2393 result & 0x02 ? STAMINA : SPEED;
2399 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2400 struct device_attribute *attr,
2403 int pos = __sony_nc_gfx_switch_status_get();
2408 return snprintf(buffer, PAGE_SIZE, "%s\n",
2409 pos == SPEED ? "speed" :
2410 pos == STAMINA ? "stamina" :
2411 pos == AUTO ? "auto" : "unknown");
2414 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2415 unsigned int handle)
2417 unsigned int result;
2419 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2423 gfxs_ctl->handle = handle;
2425 sysfs_attr_init(&gfxs_ctl->attr.attr);
2426 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2427 gfxs_ctl->attr.attr.mode = S_IRUGO;
2428 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2430 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2443 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2446 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2453 /* High speed charging function */
2454 static struct device_attribute *hsc_handle;
2456 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2457 struct device_attribute *attr,
2458 const char *buffer, size_t count)
2460 unsigned int result;
2461 unsigned long value;
2466 if (kstrtoul(buffer, 10, &value) || value > 1)
2469 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2475 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2476 struct device_attribute *attr, char *buffer)
2478 unsigned int result;
2480 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2483 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2486 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2488 unsigned int result;
2490 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2491 /* some models advertise the handle but have no implementation
2494 pr_info("No High Speed Charging capability found\n");
2498 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2502 sysfs_attr_init(&hsc_handle->attr);
2503 hsc_handle->attr.name = "battery_highspeed_charging";
2504 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2505 hsc_handle->show = sony_nc_highspeed_charging_show;
2506 hsc_handle->store = sony_nc_highspeed_charging_store;
2508 result = device_create_file(&pd->dev, hsc_handle);
2518 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2521 device_remove_file(&pd->dev, hsc_handle);
2527 /* Touchpad enable/disable */
2528 struct touchpad_control {
2529 struct device_attribute attr;
2532 static struct touchpad_control *tp_ctl;
2534 static ssize_t sony_nc_touchpad_store(struct device *dev,
2535 struct device_attribute *attr, const char *buffer, size_t count)
2537 unsigned int result;
2538 unsigned long value;
2543 if (kstrtoul(buffer, 10, &value) || value > 1)
2546 /* sysfs: 0 disabled, 1 enabled
2547 * EC: 0 enabled, 1 disabled
2549 if (sony_call_snc_handle(tp_ctl->handle,
2550 (!value << 0x10) | 0x100, &result))
2556 static ssize_t sony_nc_touchpad_show(struct device *dev,
2557 struct device_attribute *attr, char *buffer)
2559 unsigned int result;
2561 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2564 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2567 static int sony_nc_touchpad_setup(struct platform_device *pd,
2568 unsigned int handle)
2572 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2576 tp_ctl->handle = handle;
2578 sysfs_attr_init(&tp_ctl->attr.attr);
2579 tp_ctl->attr.attr.name = "touchpad";
2580 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2581 tp_ctl->attr.show = sony_nc_touchpad_show;
2582 tp_ctl->attr.store = sony_nc_touchpad_store;
2584 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2593 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2596 device_remove_file(&pd->dev, &tp_ctl->attr);
2602 static void sony_nc_backlight_ng_read_limits(int handle,
2603 struct sony_backlight_props *props)
2607 int lvl_table_len = 0;
2608 u8 min = 0xff, max = 0x00;
2609 unsigned char buffer[32] = { 0 };
2611 props->handle = handle;
2613 props->maxlvl = 0xff;
2615 offset = sony_find_snc_handle(handle);
2617 /* try to read the boundaries from ACPI tables, if we fail the above
2618 * defaults should be reasonable
2620 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2637 /* the buffer lists brightness levels available, brightness levels are
2638 * from position 0 to 8 in the array, other values are used by ALS
2641 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2643 dprintk("Brightness level: %d\n", buffer[i]);
2648 if (buffer[i] > max)
2650 if (buffer[i] < min)
2653 props->offset = min;
2654 props->maxlvl = max;
2655 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2659 static void sony_nc_backlight_setup(void)
2661 int max_brightness = 0;
2662 const struct backlight_ops *ops = NULL;
2663 struct backlight_properties props;
2665 if (sony_find_snc_handle(0x12f) >= 0) {
2666 ops = &sony_backlight_ng_ops;
2667 sony_bl_props.cmd_base = 0x0100;
2668 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2669 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2671 } else if (sony_find_snc_handle(0x137) >= 0) {
2672 ops = &sony_backlight_ng_ops;
2673 sony_bl_props.cmd_base = 0x0100;
2674 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2675 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2677 } else if (sony_find_snc_handle(0x143) >= 0) {
2678 ops = &sony_backlight_ng_ops;
2679 sony_bl_props.cmd_base = 0x3000;
2680 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2681 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2683 } else if (sony_find_snc_handle(0x14b) >= 0) {
2684 ops = &sony_backlight_ng_ops;
2685 sony_bl_props.cmd_base = 0x3000;
2686 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2687 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2689 } else if (sony_find_snc_handle(0x14c) >= 0) {
2690 ops = &sony_backlight_ng_ops;
2691 sony_bl_props.cmd_base = 0x3000;
2692 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2693 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2695 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
2696 ops = &sony_backlight_ops;
2697 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2702 memset(&props, 0, sizeof(struct backlight_properties));
2703 props.type = BACKLIGHT_PLATFORM;
2704 props.max_brightness = max_brightness;
2705 sony_bl_props.dev = backlight_device_register("sony", NULL,
2709 if (IS_ERR(sony_bl_props.dev)) {
2710 pr_warn("unable to register backlight device\n");
2711 sony_bl_props.dev = NULL;
2713 sony_bl_props.dev->props.brightness =
2714 ops->get_brightness(sony_bl_props.dev);
2717 static void sony_nc_backlight_cleanup(void)
2719 if (sony_bl_props.dev)
2720 backlight_device_unregister(sony_bl_props.dev);
2723 static int sony_nc_add(struct acpi_device *device)
2727 struct sony_nc_value *item;
2729 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2731 sony_nc_acpi_device = device;
2732 strcpy(acpi_device_class(device), "sony/hotkey");
2734 sony_nc_acpi_handle = device->handle;
2736 /* read device status */
2737 result = acpi_bus_get_status(device);
2738 /* bail IFF the above call was successful and the device is not present */
2739 if (!result && !device->status.present) {
2740 dprintk("Device not present\n");
2745 result = sony_pf_add();
2750 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2751 sony_nc_acpi_handle, 1, sony_walk_callback,
2753 if (ACPI_FAILURE(status)) {
2754 pr_warn("unable to walk acpi resources\n");
2760 result = sony_laptop_setup_input(device);
2762 pr_err("Unable to create input devices\n");
2766 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
2768 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2769 dprintk("ECON Method failed\n");
2772 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
2773 dprintk("Doing SNC setup\n");
2774 /* retrieve the available handles */
2775 result = sony_nc_handles_setup(sony_pf_device);
2777 sony_nc_function_setup(device, sony_pf_device);
2780 /* setup input devices and helper fifo */
2781 if (acpi_video_backlight_support()) {
2782 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2784 sony_nc_backlight_setup();
2787 /* create sony_pf sysfs attributes related to the SNC device */
2788 for (item = sony_nc_values; item->name; ++item) {
2790 if (!debug && item->debug)
2793 /* find the available acpiget as described in the DSDT */
2794 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2795 if (acpi_has_method(sony_nc_acpi_handle,
2797 dprintk("Found %s getter: %s\n",
2798 item->name, *item->acpiget);
2799 item->devattr.attr.mode |= S_IRUGO;
2804 /* find the available acpiset as described in the DSDT */
2805 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2806 if (acpi_has_method(sony_nc_acpi_handle,
2808 dprintk("Found %s setter: %s\n",
2809 item->name, *item->acpiset);
2810 item->devattr.attr.mode |= S_IWUSR;
2815 if (item->devattr.attr.mode != 0) {
2817 device_create_file(&sony_pf_device->dev,
2827 for (item = sony_nc_values; item->name; ++item) {
2828 device_remove_file(&sony_pf_device->dev, &item->devattr);
2830 sony_nc_backlight_cleanup();
2831 sony_nc_function_cleanup(sony_pf_device);
2832 sony_nc_handles_cleanup(sony_pf_device);
2835 sony_laptop_remove_input();
2841 sony_nc_rfkill_cleanup();
2845 static int sony_nc_remove(struct acpi_device *device)
2847 struct sony_nc_value *item;
2849 sony_nc_backlight_cleanup();
2851 sony_nc_acpi_device = NULL;
2853 for (item = sony_nc_values; item->name; ++item) {
2854 device_remove_file(&sony_pf_device->dev, &item->devattr);
2857 sony_nc_function_cleanup(sony_pf_device);
2858 sony_nc_handles_cleanup(sony_pf_device);
2860 sony_laptop_remove_input();
2861 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2866 static const struct acpi_device_id sony_device_ids[] = {
2871 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2873 static const struct acpi_device_id sony_nc_device_ids[] = {
2878 static struct acpi_driver sony_nc_driver = {
2879 .name = SONY_NC_DRIVER_NAME,
2880 .class = SONY_NC_CLASS,
2881 .ids = sony_nc_device_ids,
2882 .owner = THIS_MODULE,
2885 .remove = sony_nc_remove,
2886 .notify = sony_nc_notify,
2888 .drv.pm = &sony_nc_pm,
2891 /*********** SPIC (SNY6001) Device ***********/
2893 #define SONYPI_DEVICE_TYPE1 0x00000001
2894 #define SONYPI_DEVICE_TYPE2 0x00000002
2895 #define SONYPI_DEVICE_TYPE3 0x00000004
2897 #define SONYPI_TYPE1_OFFSET 0x04
2898 #define SONYPI_TYPE2_OFFSET 0x12
2899 #define SONYPI_TYPE3_OFFSET 0x12
2901 struct sony_pic_ioport {
2902 struct acpi_resource_io io1;
2903 struct acpi_resource_io io2;
2904 struct list_head list;
2907 struct sony_pic_irq {
2908 struct acpi_resource_irq irq;
2909 struct list_head list;
2912 struct sonypi_eventtypes {
2915 struct sonypi_event *events;
2918 struct sony_pic_dev {
2919 struct acpi_device *acpi_dev;
2920 struct sony_pic_irq *cur_irq;
2921 struct sony_pic_ioport *cur_ioport;
2922 struct list_head interrupts;
2923 struct list_head ioports;
2925 struct sonypi_eventtypes *event_types;
2926 int (*handle_irq)(const u8, const u8);
2934 static struct sony_pic_dev spic_dev = {
2935 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2936 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2939 static int spic_drv_registered;
2942 #define SONYPI_JOGGER_MASK 0x00000001
2943 #define SONYPI_CAPTURE_MASK 0x00000002
2944 #define SONYPI_FNKEY_MASK 0x00000004
2945 #define SONYPI_BLUETOOTH_MASK 0x00000008
2946 #define SONYPI_PKEY_MASK 0x00000010
2947 #define SONYPI_BACK_MASK 0x00000020
2948 #define SONYPI_HELP_MASK 0x00000040
2949 #define SONYPI_LID_MASK 0x00000080
2950 #define SONYPI_ZOOM_MASK 0x00000100
2951 #define SONYPI_THUMBPHRASE_MASK 0x00000200
2952 #define SONYPI_MEYE_MASK 0x00000400
2953 #define SONYPI_MEMORYSTICK_MASK 0x00000800
2954 #define SONYPI_BATTERY_MASK 0x00001000
2955 #define SONYPI_WIRELESS_MASK 0x00002000
2957 struct sonypi_event {
2962 /* The set of possible button release events */
2963 static struct sonypi_event sonypi_releaseev[] = {
2964 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2968 /* The set of possible jogger events */
2969 static struct sonypi_event sonypi_joggerev[] = {
2970 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2971 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2972 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2973 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2974 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2975 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2976 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2977 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2978 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
2979 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
2980 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
2981 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
2982 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
2986 /* The set of possible capture button events */
2987 static struct sonypi_event sonypi_captureev[] = {
2988 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
2989 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
2990 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2991 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
2995 /* The set of possible fnkeys events */
2996 static struct sonypi_event sonypi_fnkeyev[] = {
2997 { 0x10, SONYPI_EVENT_FNKEY_ESC },
2998 { 0x11, SONYPI_EVENT_FNKEY_F1 },
2999 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3000 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3001 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3002 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3003 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3004 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3005 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3006 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3007 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3008 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3009 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3010 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3011 { 0x21, SONYPI_EVENT_FNKEY_1 },
3012 { 0x22, SONYPI_EVENT_FNKEY_2 },
3013 { 0x31, SONYPI_EVENT_FNKEY_D },
3014 { 0x32, SONYPI_EVENT_FNKEY_E },
3015 { 0x33, SONYPI_EVENT_FNKEY_F },
3016 { 0x34, SONYPI_EVENT_FNKEY_S },
3017 { 0x35, SONYPI_EVENT_FNKEY_B },
3018 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3022 /* The set of possible program key events */
3023 static struct sonypi_event sonypi_pkeyev[] = {
3024 { 0x01, SONYPI_EVENT_PKEY_P1 },
3025 { 0x02, SONYPI_EVENT_PKEY_P2 },
3026 { 0x04, SONYPI_EVENT_PKEY_P3 },
3027 { 0x20, SONYPI_EVENT_PKEY_P1 },
3031 /* The set of possible bluetooth events */
3032 static struct sonypi_event sonypi_blueev[] = {
3033 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3034 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3035 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3039 /* The set of possible wireless events */
3040 static struct sonypi_event sonypi_wlessev[] = {
3041 { 0x59, SONYPI_EVENT_IGNORE },
3042 { 0x5a, SONYPI_EVENT_IGNORE },
3046 /* The set of possible back button events */
3047 static struct sonypi_event sonypi_backev[] = {
3048 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3052 /* The set of possible help button events */
3053 static struct sonypi_event sonypi_helpev[] = {
3054 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3059 /* The set of possible lid events */
3060 static struct sonypi_event sonypi_lidev[] = {
3061 { 0x51, SONYPI_EVENT_LID_CLOSED },
3062 { 0x50, SONYPI_EVENT_LID_OPENED },
3066 /* The set of possible zoom events */
3067 static struct sonypi_event sonypi_zoomev[] = {
3068 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3069 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3070 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3071 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3075 /* The set of possible thumbphrase events */
3076 static struct sonypi_event sonypi_thumbphraseev[] = {
3077 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3081 /* The set of possible motioneye camera events */
3082 static struct sonypi_event sonypi_meyeev[] = {
3083 { 0x00, SONYPI_EVENT_MEYE_FACE },
3084 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3088 /* The set of possible memorystick events */
3089 static struct sonypi_event sonypi_memorystickev[] = {
3090 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3091 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3095 /* The set of possible battery events */
3096 static struct sonypi_event sonypi_batteryev[] = {
3097 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3098 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3102 /* The set of possible volume events */
3103 static struct sonypi_event sonypi_volumeev[] = {
3104 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3105 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3109 /* The set of possible brightness events */
3110 static struct sonypi_event sonypi_brightnessev[] = {
3111 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3115 static struct sonypi_eventtypes type1_events[] = {
3116 { 0, 0xffffffff, sonypi_releaseev },
3117 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3118 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3119 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3120 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3121 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3122 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3123 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3124 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3125 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3128 static struct sonypi_eventtypes type2_events[] = {
3129 { 0, 0xffffffff, sonypi_releaseev },
3130 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3131 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3132 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3133 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3134 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3135 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3136 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3137 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3138 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3139 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3140 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3141 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3142 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3145 static struct sonypi_eventtypes type3_events[] = {
3146 { 0, 0xffffffff, sonypi_releaseev },
3147 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3148 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3149 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3150 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3151 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3152 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3153 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3154 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3155 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3156 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3160 /* low level spic calls */
3161 #define ITERATIONS_LONG 10000
3162 #define ITERATIONS_SHORT 10
3163 #define wait_on_command(command, iterations) { \
3164 unsigned int n = iterations; \
3165 while (--n && (command)) \
3168 dprintk("command failed at %s : %s (line %d)\n", \
3169 __FILE__, __func__, __LINE__); \
3172 static u8 sony_pic_call1(u8 dev)
3176 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3178 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3179 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3180 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3181 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3185 static u8 sony_pic_call2(u8 dev, u8 fn)
3189 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3191 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3192 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3194 outb(fn, spic_dev.cur_ioport->io1.minimum);
3195 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3196 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3200 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3204 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3205 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3206 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3207 outb(fn, spic_dev.cur_ioport->io1.minimum);
3208 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3209 outb(v, spic_dev.cur_ioport->io1.minimum);
3210 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3211 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3217 * minidrivers for SPIC models
3219 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3222 * 0x31 could mean we have to take some extra action and wait for
3223 * the next irq for some Type3 models, it will generate a new
3224 * irq and we can read new data from the device:
3225 * - 0x5c and 0x5f requires 0xA0
3226 * - 0x61 requires 0xB3
3228 if (data_mask == 0x31) {
3229 if (ev == 0x5c || ev == 0x5f)
3230 sony_pic_call1(0xA0);
3231 else if (ev == 0x61)
3232 sony_pic_call1(0xB3);
3238 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3240 struct pci_dev *pcidev;
3242 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3243 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3245 dev->model = SONYPI_DEVICE_TYPE1;
3246 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3247 dev->event_types = type1_events;
3251 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3252 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3254 dev->model = SONYPI_DEVICE_TYPE2;
3255 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3256 dev->event_types = type2_events;
3260 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3261 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3263 dev->model = SONYPI_DEVICE_TYPE3;
3264 dev->handle_irq = type3_handle_irq;
3265 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3266 dev->event_types = type3_events;
3270 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3271 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3273 dev->model = SONYPI_DEVICE_TYPE3;
3274 dev->handle_irq = type3_handle_irq;
3275 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3276 dev->event_types = type3_events;
3280 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3281 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3283 dev->model = SONYPI_DEVICE_TYPE3;
3284 dev->handle_irq = type3_handle_irq;
3285 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3286 dev->event_types = type3_events;
3291 dev->model = SONYPI_DEVICE_TYPE2;
3292 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3293 dev->event_types = type2_events;
3297 pci_dev_put(pcidev);
3299 pr_info("detected Type%d model\n",
3300 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3301 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3304 /* camera tests and poweron/poweroff */
3305 #define SONYPI_CAMERA_PICTURE 5
3306 #define SONYPI_CAMERA_CONTROL 0x10
3308 #define SONYPI_CAMERA_BRIGHTNESS 0
3309 #define SONYPI_CAMERA_CONTRAST 1
3310 #define SONYPI_CAMERA_HUE 2
3311 #define SONYPI_CAMERA_COLOR 3
3312 #define SONYPI_CAMERA_SHARPNESS 4
3314 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3315 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3316 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3317 #define SONYPI_CAMERA_MUTE_MASK 0x40
3319 /* the rest don't need a loop until not 0xff */
3320 #define SONYPI_CAMERA_AGC 6
3321 #define SONYPI_CAMERA_AGC_MASK 0x30
3322 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3324 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3325 #define SONYPI_CAMERA_CONTROL 0x10
3327 #define SONYPI_CAMERA_STATUS 7
3328 #define SONYPI_CAMERA_STATUS_READY 0x2
3329 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3331 #define SONYPI_DIRECTION_BACKWARDS 0x4
3333 #define SONYPI_CAMERA_REVISION 8
3334 #define SONYPI_CAMERA_ROMVERSION 9
3336 static int __sony_pic_camera_ready(void)
3340 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3341 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3344 static int __sony_pic_camera_off(void)
3347 pr_warn("camera control not enabled\n");
3351 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3352 SONYPI_CAMERA_MUTE_MASK),
3355 if (spic_dev.camera_power) {
3356 sony_pic_call2(0x91, 0);
3357 spic_dev.camera_power = 0;
3362 static int __sony_pic_camera_on(void)
3367 pr_warn("camera control not enabled\n");
3371 if (spic_dev.camera_power)
3374 for (j = 5; j > 0; j--) {
3376 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3378 sony_pic_call1(0x93);
3380 for (i = 400; i > 0; i--) {
3381 if (__sony_pic_camera_ready())
3390 pr_warn("failed to power on camera\n");
3394 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3398 spic_dev.camera_power = 1;
3402 /* External camera command (exported to the motion eye v4l driver) */
3403 int sony_pic_camera_command(int command, u8 value)
3408 mutex_lock(&spic_dev.lock);
3411 case SONY_PIC_COMMAND_SETCAMERA:
3413 __sony_pic_camera_on();
3415 __sony_pic_camera_off();
3417 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3418 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3421 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3422 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3425 case SONY_PIC_COMMAND_SETCAMERAHUE:
3426 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3429 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3430 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3433 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3434 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3437 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3438 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3441 case SONY_PIC_COMMAND_SETCAMERAAGC:
3442 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3446 pr_err("sony_pic_camera_command invalid: %d\n", command);
3449 mutex_unlock(&spic_dev.lock);
3452 EXPORT_SYMBOL(sony_pic_camera_command);
3454 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3455 static void __sony_pic_set_wwanpower(u8 state)
3458 if (spic_dev.wwan_power == state)
3460 sony_pic_call2(0xB0, state);
3461 sony_pic_call1(0x82);
3462 spic_dev.wwan_power = state;
3465 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3466 struct device_attribute *attr,
3467 const char *buffer, size_t count)
3469 unsigned long value;
3473 if (kstrtoul(buffer, 10, &value))
3476 mutex_lock(&spic_dev.lock);
3477 __sony_pic_set_wwanpower(value);
3478 mutex_unlock(&spic_dev.lock);
3483 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3484 struct device_attribute *attr, char *buffer)
3487 mutex_lock(&spic_dev.lock);
3488 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3489 mutex_unlock(&spic_dev.lock);
3493 /* bluetooth subsystem power state */
3494 static void __sony_pic_set_bluetoothpower(u8 state)
3497 if (spic_dev.bluetooth_power == state)
3499 sony_pic_call2(0x96, state);
3500 sony_pic_call1(0x82);
3501 spic_dev.bluetooth_power = state;
3504 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3505 struct device_attribute *attr,
3506 const char *buffer, size_t count)
3508 unsigned long value;
3512 if (kstrtoul(buffer, 10, &value))
3515 mutex_lock(&spic_dev.lock);
3516 __sony_pic_set_bluetoothpower(value);
3517 mutex_unlock(&spic_dev.lock);
3522 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3523 struct device_attribute *attr, char *buffer)
3526 mutex_lock(&spic_dev.lock);
3527 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3528 mutex_unlock(&spic_dev.lock);
3533 /* FAN0 information (reverse engineered from ACPI tables) */
3534 #define SONY_PIC_FAN0_STATUS 0x93
3535 static int sony_pic_set_fanspeed(unsigned long value)
3537 return ec_write(SONY_PIC_FAN0_STATUS, value);
3540 static int sony_pic_get_fanspeed(u8 *value)
3542 return ec_read(SONY_PIC_FAN0_STATUS, value);
3545 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3546 struct device_attribute *attr,
3547 const char *buffer, size_t count)
3549 unsigned long value;
3553 if (kstrtoul(buffer, 10, &value))
3556 if (sony_pic_set_fanspeed(value))
3562 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3563 struct device_attribute *attr, char *buffer)
3566 if (sony_pic_get_fanspeed(&value))
3569 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3572 #define SPIC_ATTR(_name, _mode) \
3573 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3574 _mode, sony_pic_## _name ##_show, \
3575 sony_pic_## _name ##_store)
3577 static SPIC_ATTR(bluetoothpower, 0644);
3578 static SPIC_ATTR(wwanpower, 0644);
3579 static SPIC_ATTR(fanspeed, 0644);
3581 static struct attribute *spic_attributes[] = {
3582 &spic_attr_bluetoothpower.attr,
3583 &spic_attr_wwanpower.attr,
3584 &spic_attr_fanspeed.attr,
3588 static struct attribute_group spic_attribute_group = {
3589 .attrs = spic_attributes
3592 /******** SONYPI compatibility **********/
3593 #ifdef CONFIG_SONYPI_COMPAT
3595 /* battery / brightness / temperature addresses */
3596 #define SONYPI_BAT_FLAGS 0x81
3597 #define SONYPI_LCD_LIGHT 0x96
3598 #define SONYPI_BAT1_PCTRM 0xa0
3599 #define SONYPI_BAT1_LEFT 0xa2
3600 #define SONYPI_BAT1_MAXRT 0xa4
3601 #define SONYPI_BAT2_PCTRM 0xa8
3602 #define SONYPI_BAT2_LEFT 0xaa
3603 #define SONYPI_BAT2_MAXRT 0xac
3604 #define SONYPI_BAT1_MAXTK 0xb0
3605 #define SONYPI_BAT1_FULL 0xb2
3606 #define SONYPI_BAT2_MAXTK 0xb8
3607 #define SONYPI_BAT2_FULL 0xba
3608 #define SONYPI_TEMP_STATUS 0xC1
3610 struct sonypi_compat_s {
3611 struct fasync_struct *fifo_async;
3613 spinlock_t fifo_lock;
3614 wait_queue_head_t fifo_proc_list;
3615 atomic_t open_count;
3617 static struct sonypi_compat_s sonypi_compat = {
3618 .open_count = ATOMIC_INIT(0),
3621 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3623 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3626 static int sonypi_misc_release(struct inode *inode, struct file *file)
3628 atomic_dec(&sonypi_compat.open_count);
3632 static int sonypi_misc_open(struct inode *inode, struct file *file)
3634 /* Flush input queue on first open */
3635 unsigned long flags;
3637 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3639 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3640 kfifo_reset(&sonypi_compat.fifo);
3642 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3647 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3648 size_t count, loff_t *pos)
3653 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3654 (file->f_flags & O_NONBLOCK))
3657 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3658 kfifo_len(&sonypi_compat.fifo) != 0);
3662 while (ret < count &&
3663 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3664 &sonypi_compat.fifo_lock) == sizeof(c))) {
3665 if (put_user(c, buf++))
3671 struct inode *inode = file_inode(file);
3672 inode->i_atime = current_fs_time(inode->i_sb);
3678 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3680 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3681 if (kfifo_len(&sonypi_compat.fifo))
3682 return POLLIN | POLLRDNORM;
3686 static int ec_read16(u8 addr, u16 *value)
3689 if (ec_read(addr, &val_lb))
3691 if (ec_read(addr + 1, &val_hb))
3693 *value = val_lb | (val_hb << 8);
3697 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3701 void __user *argp = (void __user *)arg;
3706 mutex_lock(&spic_dev.lock);
3708 case SONYPI_IOCGBRT:
3709 if (sony_bl_props.dev == NULL) {
3713 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3718 val8 = ((value & 0xff) - 1) << 5;
3719 if (copy_to_user(argp, &val8, sizeof(val8)))
3722 case SONYPI_IOCSBRT:
3723 if (sony_bl_props.dev == NULL) {
3727 if (copy_from_user(&val8, argp, sizeof(val8))) {
3731 value = (val8 >> 5) + 1;
3732 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3737 /* sync the backlight device status */
3738 sony_bl_props.dev->props.brightness =
3739 sony_backlight_get_brightness(sony_bl_props.dev);
3741 case SONYPI_IOCGBAT1CAP:
3742 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3746 if (copy_to_user(argp, &val16, sizeof(val16)))
3749 case SONYPI_IOCGBAT1REM:
3750 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3754 if (copy_to_user(argp, &val16, sizeof(val16)))
3757 case SONYPI_IOCGBAT2CAP:
3758 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3762 if (copy_to_user(argp, &val16, sizeof(val16)))
3765 case SONYPI_IOCGBAT2REM:
3766 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3770 if (copy_to_user(argp, &val16, sizeof(val16)))
3773 case SONYPI_IOCGBATFLAGS:
3774 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3779 if (copy_to_user(argp, &val8, sizeof(val8)))
3782 case SONYPI_IOCGBLUE:
3783 val8 = spic_dev.bluetooth_power;
3784 if (copy_to_user(argp, &val8, sizeof(val8)))
3787 case SONYPI_IOCSBLUE:
3788 if (copy_from_user(&val8, argp, sizeof(val8))) {
3792 __sony_pic_set_bluetoothpower(val8);
3795 case SONYPI_IOCGFAN:
3796 if (sony_pic_get_fanspeed(&val8)) {
3800 if (copy_to_user(argp, &val8, sizeof(val8)))
3803 case SONYPI_IOCSFAN:
3804 if (copy_from_user(&val8, argp, sizeof(val8))) {
3808 if (sony_pic_set_fanspeed(val8))
3811 /* GET Temperature (useful under APM) */
3812 case SONYPI_IOCGTEMP:
3813 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3817 if (copy_to_user(argp, &val8, sizeof(val8)))
3823 mutex_unlock(&spic_dev.lock);
3827 static const struct file_operations sonypi_misc_fops = {
3828 .owner = THIS_MODULE,
3829 .read = sonypi_misc_read,
3830 .poll = sonypi_misc_poll,
3831 .open = sonypi_misc_open,
3832 .release = sonypi_misc_release,
3833 .fasync = sonypi_misc_fasync,
3834 .unlocked_ioctl = sonypi_misc_ioctl,
3835 .llseek = noop_llseek,
3838 static struct miscdevice sonypi_misc_device = {
3839 .minor = MISC_DYNAMIC_MINOR,
3841 .fops = &sonypi_misc_fops,
3844 static void sonypi_compat_report_event(u8 event)
3846 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3847 sizeof(event), &sonypi_compat.fifo_lock);
3848 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3849 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3852 static int sonypi_compat_init(void)
3856 spin_lock_init(&sonypi_compat.fifo_lock);
3858 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3860 pr_err("kfifo_alloc failed\n");
3864 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3867 sonypi_misc_device.minor = minor;
3868 error = misc_register(&sonypi_misc_device);
3870 pr_err("misc_register failed\n");
3871 goto err_free_kfifo;
3874 pr_info("device allocated minor is %d\n",
3875 sonypi_misc_device.minor);
3880 kfifo_free(&sonypi_compat.fifo);
3884 static void sonypi_compat_exit(void)
3886 misc_deregister(&sonypi_misc_device);
3887 kfifo_free(&sonypi_compat.fifo);
3890 static int sonypi_compat_init(void) { return 0; }
3891 static void sonypi_compat_exit(void) { }
3892 static void sonypi_compat_report_event(u8 event) { }
3893 #endif /* CONFIG_SONYPI_COMPAT */
3899 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3902 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3904 switch (resource->type) {
3905 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3907 /* start IO enumeration */
3908 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3912 list_add(&ioport->list, &dev->ioports);
3916 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3917 /* end IO enumeration */
3920 case ACPI_RESOURCE_TYPE_IRQ:
3922 struct acpi_resource_irq *p = &resource->data.irq;
3923 struct sony_pic_irq *interrupt = NULL;
3924 if (!p || !p->interrupt_count) {
3926 * IRQ descriptors may have no IRQ# bits set,
3927 * particularly those those w/ _STA disabled
3929 dprintk("Blank IRQ resource\n");
3932 for (i = 0; i < p->interrupt_count; i++) {
3933 if (!p->interrupts[i]) {
3934 pr_warn("Invalid IRQ %d\n",
3938 interrupt = kzalloc(sizeof(*interrupt),
3943 list_add(&interrupt->list, &dev->interrupts);
3944 interrupt->irq.triggering = p->triggering;
3945 interrupt->irq.polarity = p->polarity;
3946 interrupt->irq.sharable = p->sharable;
3947 interrupt->irq.interrupt_count = 1;
3948 interrupt->irq.interrupts[0] = p->interrupts[i];
3952 case ACPI_RESOURCE_TYPE_IO:
3954 struct acpi_resource_io *io = &resource->data.io;
3955 struct sony_pic_ioport *ioport =
3956 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3958 dprintk("Blank IO resource\n");
3962 if (!ioport->io1.minimum) {
3963 memcpy(&ioport->io1, io, sizeof(*io));
3964 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3965 ioport->io1.address_length);
3967 else if (!ioport->io2.minimum) {
3968 memcpy(&ioport->io2, io, sizeof(*io));
3969 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3970 ioport->io2.address_length);
3973 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3979 dprintk("Resource %d isn't an IRQ nor an IO port\n",
3982 case ACPI_RESOURCE_TYPE_END_TAG:
3985 return AE_CTRL_TERMINATE;
3988 static int sony_pic_possible_resources(struct acpi_device *device)
3991 acpi_status status = AE_OK;
3996 /* get device status */
3997 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
3998 dprintk("Evaluating _STA\n");
3999 result = acpi_bus_get_status(device);
4001 pr_warn("Unable to read status\n");
4005 if (!device->status.enabled)
4006 dprintk("Device disabled\n");
4008 dprintk("Device enabled\n");
4011 * Query and parse 'method'
4013 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4014 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4015 sony_pic_read_possible_resource, &spic_dev);
4016 if (ACPI_FAILURE(status)) {
4017 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4025 * Disable the spic device by calling its _DIS method
4027 static int sony_pic_disable(struct acpi_device *device)
4029 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4032 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4035 dprintk("Device disabled\n");
4041 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4043 * Call _SRS to set current resources
4045 static int sony_pic_enable(struct acpi_device *device,
4046 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4050 /* Type 1 resource layout is:
4056 * Type 2 and 3 resource layout is:
4062 struct acpi_resource res1;
4063 struct acpi_resource res2;
4064 struct acpi_resource res3;
4065 struct acpi_resource res4;
4067 struct acpi_buffer buffer = { 0, NULL };
4069 if (!ioport || !irq)
4072 /* init acpi_buffer */
4073 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4077 buffer.length = sizeof(*resource) + 1;
4078 buffer.pointer = resource;
4080 /* setup Type 1 resources */
4081 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4083 /* setup io resources */
4084 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4085 resource->res1.length = sizeof(struct acpi_resource);
4086 memcpy(&resource->res1.data.io, &ioport->io1,
4087 sizeof(struct acpi_resource_io));
4089 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4090 resource->res2.length = sizeof(struct acpi_resource);
4091 memcpy(&resource->res2.data.io, &ioport->io2,
4092 sizeof(struct acpi_resource_io));
4094 /* setup irq resource */
4095 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4096 resource->res3.length = sizeof(struct acpi_resource);
4097 memcpy(&resource->res3.data.irq, &irq->irq,
4098 sizeof(struct acpi_resource_irq));
4099 /* we requested a shared irq */
4100 resource->res3.data.irq.sharable = ACPI_SHARED;
4102 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4103 resource->res4.length = sizeof(struct acpi_resource);
4105 /* setup Type 2/3 resources */
4107 /* setup io resource */
4108 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4109 resource->res1.length = sizeof(struct acpi_resource);
4110 memcpy(&resource->res1.data.io, &ioport->io1,
4111 sizeof(struct acpi_resource_io));
4113 /* setup irq resource */
4114 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4115 resource->res2.length = sizeof(struct acpi_resource);
4116 memcpy(&resource->res2.data.irq, &irq->irq,
4117 sizeof(struct acpi_resource_irq));
4118 /* we requested a shared irq */
4119 resource->res2.data.irq.sharable = ACPI_SHARED;
4121 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4122 resource->res3.length = sizeof(struct acpi_resource);
4125 /* Attempt to set the resource */
4126 dprintk("Evaluating _SRS\n");
4127 status = acpi_set_current_resources(device->handle, &buffer);
4129 /* check for total failure */
4130 if (ACPI_FAILURE(status)) {
4131 pr_err("Error evaluating _SRS\n");
4136 /* Necessary device initializations calls (from sonypi) */
4137 sony_pic_call1(0x82);
4138 sony_pic_call2(0x81, 0xff);
4139 sony_pic_call1(compat ? 0x92 : 0x82);
4148 * ISR: some event is available
4151 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4156 u8 device_event = 0;
4158 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4160 ev = inb_p(dev->cur_ioport->io1.minimum);
4161 if (dev->cur_ioport->io2.minimum)
4162 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4164 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4165 dev->evport_offset);
4167 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4168 ev, data_mask, dev->cur_ioport->io1.minimum,
4169 dev->evport_offset);
4171 if (ev == 0x00 || ev == 0xff)
4174 for (i = 0; dev->event_types[i].mask; i++) {
4176 if ((data_mask & dev->event_types[i].data) !=
4177 dev->event_types[i].data)
4180 if (!(mask & dev->event_types[i].mask))
4183 for (j = 0; dev->event_types[i].events[j].event; j++) {
4184 if (ev == dev->event_types[i].events[j].data) {
4186 dev->event_types[i].events[j].event;
4187 /* some events may require ignoring */
4194 /* Still not able to decode the event try to pass
4195 * it over to the minidriver
4197 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4200 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4201 ev, data_mask, dev->cur_ioport->io1.minimum,
4202 dev->evport_offset);
4206 sony_laptop_report_input_event(device_event);
4207 sonypi_compat_report_event(device_event);
4216 static int sony_pic_remove(struct acpi_device *device)
4218 struct sony_pic_ioport *io, *tmp_io;
4219 struct sony_pic_irq *irq, *tmp_irq;
4221 if (sony_pic_disable(device)) {
4222 pr_err("Couldn't disable device\n");
4226 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4227 release_region(spic_dev.cur_ioport->io1.minimum,
4228 spic_dev.cur_ioport->io1.address_length);
4229 if (spic_dev.cur_ioport->io2.minimum)
4230 release_region(spic_dev.cur_ioport->io2.minimum,
4231 spic_dev.cur_ioport->io2.address_length);
4233 sonypi_compat_exit();
4235 sony_laptop_remove_input();
4238 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4241 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4242 list_del(&io->list);
4245 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4246 list_del(&irq->list);
4249 spic_dev.cur_ioport = NULL;
4250 spic_dev.cur_irq = NULL;
4252 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4256 static int sony_pic_add(struct acpi_device *device)
4259 struct sony_pic_ioport *io, *tmp_io;
4260 struct sony_pic_irq *irq, *tmp_irq;
4262 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4264 spic_dev.acpi_dev = device;
4265 strcpy(acpi_device_class(device), "sony/hotkey");
4266 sony_pic_detect_device_type(&spic_dev);
4267 mutex_init(&spic_dev.lock);
4269 /* read _PRS resources */
4270 result = sony_pic_possible_resources(device);
4272 pr_err("Unable to read possible resources\n");
4273 goto err_free_resources;
4276 /* setup input devices and helper fifo */
4277 result = sony_laptop_setup_input(device);
4279 pr_err("Unable to create input devices\n");
4280 goto err_free_resources;
4283 result = sonypi_compat_init();
4285 goto err_remove_input;
4287 /* request io port */
4288 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4289 if (request_region(io->io1.minimum, io->io1.address_length,
4290 "Sony Programmable I/O Device")) {
4291 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4292 io->io1.minimum, io->io1.maximum,
4293 io->io1.address_length);
4294 /* Type 1 have 2 ioports */
4295 if (io->io2.minimum) {
4296 if (request_region(io->io2.minimum,
4297 io->io2.address_length,
4298 "Sony Programmable I/O Device")) {
4299 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4300 io->io2.minimum, io->io2.maximum,
4301 io->io2.address_length);
4302 spic_dev.cur_ioport = io;
4306 dprintk("Unable to get I/O port2: "
4307 "0x%.4x (0x%.4x) + 0x%.2x\n",
4308 io->io2.minimum, io->io2.maximum,
4309 io->io2.address_length);
4310 release_region(io->io1.minimum,
4311 io->io1.address_length);
4315 spic_dev.cur_ioport = io;
4320 if (!spic_dev.cur_ioport) {
4321 pr_err("Failed to request_region\n");
4323 goto err_remove_compat;
4327 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4328 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4329 0, "sony-laptop", &spic_dev)) {
4330 dprintk("IRQ: %d - triggering: %d - "
4331 "polarity: %d - shr: %d\n",
4332 irq->irq.interrupts[0],
4333 irq->irq.triggering,
4336 spic_dev.cur_irq = irq;
4340 if (!spic_dev.cur_irq) {
4341 pr_err("Failed to request_irq\n");
4343 goto err_release_region;
4346 /* set resource status _SRS */
4347 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4349 pr_err("Couldn't enable device\n");
4353 spic_dev.bluetooth_power = -1;
4354 /* create device attributes */
4355 result = sony_pf_add();
4357 goto err_disable_device;
4359 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4369 sony_pic_disable(device);
4372 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4375 release_region(spic_dev.cur_ioport->io1.minimum,
4376 spic_dev.cur_ioport->io1.address_length);
4377 if (spic_dev.cur_ioport->io2.minimum)
4378 release_region(spic_dev.cur_ioport->io2.minimum,
4379 spic_dev.cur_ioport->io2.address_length);
4382 sonypi_compat_exit();
4385 sony_laptop_remove_input();
4388 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4389 list_del(&io->list);
4392 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4393 list_del(&irq->list);
4396 spic_dev.cur_ioport = NULL;
4397 spic_dev.cur_irq = NULL;
4402 #ifdef CONFIG_PM_SLEEP
4403 static int sony_pic_suspend(struct device *dev)
4405 if (sony_pic_disable(to_acpi_device(dev)))
4410 static int sony_pic_resume(struct device *dev)
4412 sony_pic_enable(to_acpi_device(dev),
4413 spic_dev.cur_ioport, spic_dev.cur_irq);
4418 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4420 static const struct acpi_device_id sony_pic_device_ids[] = {
4425 static struct acpi_driver sony_pic_driver = {
4426 .name = SONY_PIC_DRIVER_NAME,
4427 .class = SONY_PIC_CLASS,
4428 .ids = sony_pic_device_ids,
4429 .owner = THIS_MODULE,
4431 .add = sony_pic_add,
4432 .remove = sony_pic_remove,
4434 .drv.pm = &sony_pic_pm,
4437 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4439 .ident = "Sony Vaio",
4441 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4442 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4446 .ident = "Sony Vaio",
4448 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4449 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4455 static int __init sony_laptop_init(void)
4459 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4460 result = acpi_bus_register_driver(&sony_pic_driver);
4462 pr_err("Unable to register SPIC driver\n");
4465 spic_drv_registered = 1;
4468 result = acpi_bus_register_driver(&sony_nc_driver);
4470 pr_err("Unable to register SNC driver\n");
4471 goto out_unregister_pic;
4477 if (spic_drv_registered)
4478 acpi_bus_unregister_driver(&sony_pic_driver);
4483 static void __exit sony_laptop_exit(void)
4485 acpi_bus_unregister_driver(&sony_nc_driver);
4486 if (spic_drv_registered)
4487 acpi_bus_unregister_driver(&sony_pic_driver);
4490 module_init(sony_laptop_init);
4491 module_exit(sony_laptop_exit);