2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
10 * The SNY6001 driver part is based on the sonypi driver which includes
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
17 * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
47 #include <linux/kernel.h>
48 #include <linux/module.h>
49 #include <linux/moduleparam.h>
50 #include <linux/init.h>
51 #include <linux/types.h>
52 #include <linux/backlight.h>
53 #include <linux/platform_device.h>
54 #include <linux/err.h>
55 #include <linux/dmi.h>
56 #include <linux/pci.h>
57 #include <linux/interrupt.h>
58 #include <linux/delay.h>
59 #include <linux/input.h>
60 #include <linux/kfifo.h>
61 #include <linux/workqueue.h>
62 #include <linux/acpi.h>
63 #include <linux/slab.h>
64 #include <acpi/acpi_drivers.h>
65 #include <acpi/acpi_bus.h>
66 #include <asm/uaccess.h>
67 #include <linux/sonypi.h>
68 #include <linux/sony-laptop.h>
69 #include <linux/rfkill.h>
70 #ifdef CONFIG_SONYPI_COMPAT
71 #include <linux/poll.h>
72 #include <linux/miscdevice.h>
75 #define dprintk(fmt, ...) \
78 pr_warn(fmt, ##__VA_ARGS__); \
81 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
83 #define SONY_NC_CLASS "sony-nc"
84 #define SONY_NC_HID "SNY5001"
85 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
87 #define SONY_PIC_CLASS "sony-pic"
88 #define SONY_PIC_HID "SNY6001"
89 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
91 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
92 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
93 MODULE_LICENSE("GPL");
94 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
97 module_param(debug, int, 0);
98 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
99 "the development of this driver");
101 static int no_spic; /* = 0 */
102 module_param(no_spic, int, 0444);
103 MODULE_PARM_DESC(no_spic,
104 "set this if you don't want to enable the SPIC device");
106 static int compat; /* = 0 */
107 module_param(compat, int, 0444);
108 MODULE_PARM_DESC(compat,
109 "set this if you want to enable backward compatibility mode");
111 static unsigned long mask = 0xffffffff;
112 module_param(mask, ulong, 0644);
113 MODULE_PARM_DESC(mask,
114 "set this to the mask of event you want to enable (see doc)");
116 static int camera; /* = 0 */
117 module_param(camera, int, 0444);
118 MODULE_PARM_DESC(camera,
119 "set this to 1 to enable Motion Eye camera controls "
120 "(only use it if you have a C1VE or C1VN model)");
122 #ifdef CONFIG_SONYPI_COMPAT
123 static int minor = -1;
124 module_param(minor, int, 0);
125 MODULE_PARM_DESC(minor,
126 "minor number of the misc device for the SPIC compatibility code, "
127 "default is -1 (automatic)");
130 static int kbd_backlight = -1;
131 module_param(kbd_backlight, int, 0444);
132 MODULE_PARM_DESC(kbd_backlight,
133 "set this to 0 to disable keyboard backlight, "
134 "1 to enable it (default: no change from current value)");
136 static int kbd_backlight_timeout = -1;
137 module_param(kbd_backlight_timeout, int, 0444);
138 MODULE_PARM_DESC(kbd_backlight_timeout,
139 "meaningful values vary from 0 to 3 and their meaning depends "
140 "on the model (default: no change from current value)");
142 #ifdef CONFIG_PM_SLEEP
143 static void sony_nc_thermal_resume(void);
145 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
146 unsigned int handle);
147 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
148 unsigned int handle);
150 static int sony_nc_battery_care_setup(struct platform_device *pd,
151 unsigned int handle);
152 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
154 static int sony_nc_thermal_setup(struct platform_device *pd);
155 static void sony_nc_thermal_cleanup(struct platform_device *pd);
157 static int sony_nc_lid_resume_setup(struct platform_device *pd);
158 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
160 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
161 unsigned int handle);
162 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
163 static int __sony_nc_gfx_switch_status_get(void);
165 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
166 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
168 static int sony_nc_touchpad_setup(struct platform_device *pd,
169 unsigned int handle);
170 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
172 enum sony_nc_rfkill {
180 static int sony_rfkill_handle;
181 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
182 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
183 static int sony_nc_rfkill_setup(struct acpi_device *device,
184 unsigned int handle);
185 static void sony_nc_rfkill_cleanup(void);
186 static void sony_nc_rfkill_update(void);
188 /*********** Input Devices ***********/
190 #define SONY_LAPTOP_BUF_SIZE 128
191 struct sony_laptop_input_s {
193 struct input_dev *jog_dev;
194 struct input_dev *key_dev;
196 spinlock_t fifo_lock;
197 struct timer_list release_key_timer;
200 static struct sony_laptop_input_s sony_laptop_input = {
201 .users = ATOMIC_INIT(0),
204 struct sony_laptop_keypress {
205 struct input_dev *dev;
209 /* Correspondance table between sonypi events
210 * and input layer indexes in the keymap
212 static int sony_laptop_input_index[] = {
214 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
215 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
216 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
217 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
218 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
219 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
220 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
221 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
222 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
223 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
224 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
225 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
226 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
227 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
228 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
229 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
230 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
231 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
232 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
233 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
234 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
235 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
236 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
237 17, /* 24 SONYPI_EVENT_FNKEY_1 */
238 18, /* 25 SONYPI_EVENT_FNKEY_2 */
239 19, /* 26 SONYPI_EVENT_FNKEY_D */
240 20, /* 27 SONYPI_EVENT_FNKEY_E */
241 21, /* 28 SONYPI_EVENT_FNKEY_F */
242 22, /* 29 SONYPI_EVENT_FNKEY_S */
243 23, /* 30 SONYPI_EVENT_FNKEY_B */
244 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
245 25, /* 32 SONYPI_EVENT_PKEY_P1 */
246 26, /* 33 SONYPI_EVENT_PKEY_P2 */
247 27, /* 34 SONYPI_EVENT_PKEY_P3 */
248 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
249 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
250 -1, /* 37 SONYPI_EVENT_LID_OPENED */
251 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
252 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
253 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
254 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
255 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
256 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
257 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
258 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
259 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
260 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
261 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
262 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
263 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
264 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
265 43, /* 52 SONYPI_EVENT_MEYE_FACE */
266 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
267 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
268 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
269 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
270 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
271 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
272 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
273 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
274 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
275 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
276 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
277 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
278 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
279 53, /* 66 SONYPI_EVENT_PKEY_P4 */
280 54, /* 67 SONYPI_EVENT_PKEY_P5 */
281 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
282 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
283 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
284 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
285 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
286 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
289 static int sony_laptop_input_keycode_map[] = {
290 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
291 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
292 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
293 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
294 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
295 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
296 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
297 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
298 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
299 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
300 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
301 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
302 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
303 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
304 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
305 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
306 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
307 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
308 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
309 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
310 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
311 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
312 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
313 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
314 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
315 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
316 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
317 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
318 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
319 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
320 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
321 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
322 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
323 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
324 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
325 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
326 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
327 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
328 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
329 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
330 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
331 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
332 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
333 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
334 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
335 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
336 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
337 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
338 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
339 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
340 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
341 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
342 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
343 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
344 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
345 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
346 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
347 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
348 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
349 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
352 /* release buttons after a short delay if pressed */
353 static void do_sony_laptop_release_key(unsigned long unused)
355 struct sony_laptop_keypress kp;
358 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
360 if (kfifo_out(&sony_laptop_input.fifo,
361 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
362 input_report_key(kp.dev, kp.key, 0);
366 /* If there is something in the fifo schedule next release. */
367 if (kfifo_len(&sony_laptop_input.fifo) != 0)
368 mod_timer(&sony_laptop_input.release_key_timer,
369 jiffies + msecs_to_jiffies(10));
371 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
374 /* forward event to the input subsystem */
375 static void sony_laptop_report_input_event(u8 event)
377 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
378 struct input_dev *key_dev = sony_laptop_input.key_dev;
379 struct sony_laptop_keypress kp = { NULL };
382 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
383 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
384 /* Nothing, not all VAIOs generate this event */
391 case SONYPI_EVENT_JOGDIAL_UP:
392 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
393 input_report_rel(jog_dev, REL_WHEEL, 1);
397 case SONYPI_EVENT_JOGDIAL_DOWN:
398 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
399 input_report_rel(jog_dev, REL_WHEEL, -1);
404 case SONYPI_EVENT_JOGDIAL_PRESSED:
410 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
411 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
414 if ((scancode = sony_laptop_input_index[event]) != -1) {
415 kp.key = sony_laptop_input_keycode_map[scancode];
416 if (kp.key != KEY_UNKNOWN)
423 /* if we have a scancode we emit it so we can always
426 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
427 input_report_key(kp.dev, kp.key, 1);
430 /* schedule key release */
431 kfifo_in_locked(&sony_laptop_input.fifo,
432 (unsigned char *)&kp, sizeof(kp),
433 &sony_laptop_input.fifo_lock);
434 mod_timer(&sony_laptop_input.release_key_timer,
435 jiffies + msecs_to_jiffies(10));
437 dprintk("unknown input event %.2x\n", event);
440 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
442 struct input_dev *jog_dev;
443 struct input_dev *key_dev;
447 /* don't run again if already initialized */
448 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
452 spin_lock_init(&sony_laptop_input.fifo_lock);
453 error = kfifo_alloc(&sony_laptop_input.fifo,
454 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
456 pr_err("kfifo_alloc failed\n");
460 setup_timer(&sony_laptop_input.release_key_timer,
461 do_sony_laptop_release_key, 0);
464 key_dev = input_allocate_device();
470 key_dev->name = "Sony Vaio Keys";
471 key_dev->id.bustype = BUS_ISA;
472 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
473 key_dev->dev.parent = &acpi_device->dev;
475 /* Initialize the Input Drivers: special keys */
476 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
478 __set_bit(EV_KEY, key_dev->evbit);
479 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
480 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
481 key_dev->keycode = &sony_laptop_input_keycode_map;
482 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
483 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
484 __clear_bit(KEY_RESERVED, key_dev->keybit);
486 error = input_register_device(key_dev);
488 goto err_free_keydev;
490 sony_laptop_input.key_dev = key_dev;
493 jog_dev = input_allocate_device();
496 goto err_unregister_keydev;
499 jog_dev->name = "Sony Vaio Jogdial";
500 jog_dev->id.bustype = BUS_ISA;
501 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
502 jog_dev->dev.parent = &acpi_device->dev;
504 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
505 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
507 error = input_register_device(jog_dev);
509 goto err_free_jogdev;
511 sony_laptop_input.jog_dev = jog_dev;
516 input_free_device(jog_dev);
518 err_unregister_keydev:
519 input_unregister_device(key_dev);
520 /* to avoid kref underflow below at input_free_device */
524 input_free_device(key_dev);
527 kfifo_free(&sony_laptop_input.fifo);
530 atomic_dec(&sony_laptop_input.users);
534 static void sony_laptop_remove_input(void)
536 struct sony_laptop_keypress kp = { NULL };
538 /* Cleanup only after the last user has gone */
539 if (!atomic_dec_and_test(&sony_laptop_input.users))
542 del_timer_sync(&sony_laptop_input.release_key_timer);
545 * Generate key-up events for remaining keys. Note that we don't
546 * need locking since nobody is adding new events to the kfifo.
548 while (kfifo_out(&sony_laptop_input.fifo,
549 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
550 input_report_key(kp.dev, kp.key, 0);
554 /* destroy input devs */
555 input_unregister_device(sony_laptop_input.key_dev);
556 sony_laptop_input.key_dev = NULL;
558 if (sony_laptop_input.jog_dev) {
559 input_unregister_device(sony_laptop_input.jog_dev);
560 sony_laptop_input.jog_dev = NULL;
563 kfifo_free(&sony_laptop_input.fifo);
566 /*********** Platform Device ***********/
568 static atomic_t sony_pf_users = ATOMIC_INIT(0);
569 static struct platform_driver sony_pf_driver = {
571 .name = "sony-laptop",
572 .owner = THIS_MODULE,
575 static struct platform_device *sony_pf_device;
577 static int sony_pf_add(void)
581 /* don't run again if already initialized */
582 if (atomic_add_return(1, &sony_pf_users) > 1)
585 ret = platform_driver_register(&sony_pf_driver);
589 sony_pf_device = platform_device_alloc("sony-laptop", -1);
590 if (!sony_pf_device) {
592 goto out_platform_registered;
595 ret = platform_device_add(sony_pf_device);
597 goto out_platform_alloced;
601 out_platform_alloced:
602 platform_device_put(sony_pf_device);
603 sony_pf_device = NULL;
604 out_platform_registered:
605 platform_driver_unregister(&sony_pf_driver);
607 atomic_dec(&sony_pf_users);
611 static void sony_pf_remove(void)
613 /* deregister only after the last user has gone */
614 if (!atomic_dec_and_test(&sony_pf_users))
617 platform_device_unregister(sony_pf_device);
618 platform_driver_unregister(&sony_pf_driver);
621 /*********** SNC (SNY5001) Device ***********/
623 /* the device uses 1-based values, while the backlight subsystem uses
625 #define SONY_MAX_BRIGHTNESS 8
627 #define SNC_VALIDATE_IN 0
628 #define SNC_VALIDATE_OUT 1
630 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
632 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
633 const char *, size_t);
634 static int boolean_validate(const int, const int);
635 static int brightness_default_validate(const int, const int);
637 struct sony_nc_value {
638 char *name; /* name of the entry */
639 char **acpiget; /* names of the ACPI get function */
640 char **acpiset; /* names of the ACPI set function */
641 int (*validate)(const int, const int); /* input/output validation */
642 int value; /* current setting */
643 int valid; /* Has ever been set */
644 int debug; /* active only in debug mode ? */
645 struct device_attribute devattr; /* sysfs attribute */
648 #define SNC_HANDLE_NAMES(_name, _values...) \
649 static char *snc_##_name[] = { _values, NULL }
651 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
653 .name = __stringify(_name), \
654 .acpiget = _getters, \
655 .acpiset = _setters, \
656 .validate = _validate, \
658 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
661 #define SNC_HANDLE_NULL { .name = NULL }
663 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
665 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
666 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
668 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
669 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
671 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
672 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
674 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
675 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
677 SNC_HANDLE_NAMES(lidstate_get, "GLID");
679 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
680 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
682 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
683 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
685 SNC_HANDLE_NAMES(PID_get, "GPID");
687 SNC_HANDLE_NAMES(CTR_get, "GCTR");
688 SNC_HANDLE_NAMES(CTR_set, "SCTR");
690 SNC_HANDLE_NAMES(PCR_get, "GPCR");
691 SNC_HANDLE_NAMES(PCR_set, "SPCR");
693 SNC_HANDLE_NAMES(CMI_get, "GCMI");
694 SNC_HANDLE_NAMES(CMI_set, "SCMI");
696 static struct sony_nc_value sony_nc_values[] = {
697 SNC_HANDLE(brightness_default, snc_brightness_def_get,
698 snc_brightness_def_set, brightness_default_validate, 0),
699 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
700 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
701 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
702 boolean_validate, 0),
703 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
704 boolean_validate, 1),
705 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
706 boolean_validate, 0),
707 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
708 boolean_validate, 0),
709 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
710 boolean_validate, 0),
711 /* unknown methods */
712 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
713 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
714 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
715 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
719 static acpi_handle sony_nc_acpi_handle;
720 static struct acpi_device *sony_nc_acpi_device = NULL;
723 * acpi_evaluate_object wrappers
724 * all useful calls into SNC methods take one or zero parameters and return
725 * integers or arrays.
727 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
730 union acpi_object *result = NULL;
731 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
735 struct acpi_object_list params;
736 union acpi_object in;
737 in.type = ACPI_TYPE_INTEGER;
738 in.integer.value = *value;
740 params.pointer = ∈
741 status = acpi_evaluate_object(handle, method, ¶ms, &output);
742 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
743 (unsigned int)(*value >> 32),
744 (unsigned int)*value & 0xffffffff);
746 status = acpi_evaluate_object(handle, method, NULL, &output);
747 dprintk("__call_snc_method: [%s]\n", method);
750 if (ACPI_FAILURE(status)) {
751 pr_err("Failed to evaluate [%s]\n", method);
755 result = (union acpi_object *) output.pointer;
757 dprintk("No return object [%s]\n", method);
762 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
765 union acpi_object *object = NULL;
768 object = __call_snc_method(handle, name, &v);
770 object = __call_snc_method(handle, name, NULL);
775 if (object->type != ACPI_TYPE_INTEGER) {
776 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
777 ACPI_TYPE_INTEGER, object->type);
783 *result = object->integer.value;
789 #define MIN(a, b) (a > b ? b : a)
790 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
791 void *buffer, size_t buflen)
795 union acpi_object *object = __call_snc_method(handle, name, value);
800 if (object->type == ACPI_TYPE_BUFFER) {
801 len = MIN(buflen, object->buffer.length);
802 memcpy(buffer, object->buffer.pointer, len);
804 } else if (object->type == ACPI_TYPE_INTEGER) {
805 len = MIN(buflen, sizeof(object->integer.value));
806 memcpy(buffer, &object->integer.value, len);
809 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
810 ACPI_TYPE_BUFFER, object->type);
818 struct sony_nc_handles {
820 struct device_attribute devattr;
823 static struct sony_nc_handles *handles;
825 static ssize_t sony_nc_handles_show(struct device *dev,
826 struct device_attribute *attr, char *buffer)
831 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
832 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
835 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
840 static int sony_nc_handles_setup(struct platform_device *pd)
842 int i, r, result, arg;
844 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
848 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
850 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
853 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
855 handles->cap[i] = result;
860 sysfs_attr_init(&handles->devattr.attr);
861 handles->devattr.attr.name = "handles";
862 handles->devattr.attr.mode = S_IRUGO;
863 handles->devattr.show = sony_nc_handles_show;
865 /* allow reading capabilities via sysfs */
866 if (device_create_file(&pd->dev, &handles->devattr)) {
876 static int sony_nc_handles_cleanup(struct platform_device *pd)
880 device_remove_file(&pd->dev, &handles->devattr);
887 static int sony_find_snc_handle(int handle)
891 /* not initialized yet, return early */
892 if (!handles || !handle)
895 for (i = 0; i < 0x10; i++) {
896 if (handles->cap[i] == handle) {
897 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
902 dprintk("handle 0x%.4x not found\n", handle);
906 static int sony_call_snc_handle(int handle, int argument, int *result)
909 int offset = sony_find_snc_handle(handle);
914 arg = offset | argument;
915 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
916 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
921 * sony_nc_values input/output validate functions
924 /* brightness_default_validate:
926 * manipulate input output values to keep consistency with the
927 * backlight framework for which brightness values are 0-based.
929 static int brightness_default_validate(const int direction, const int value)
932 case SNC_VALIDATE_OUT:
934 case SNC_VALIDATE_IN:
935 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
943 * on input validate boolean values 0/1, on output just pass the
946 static int boolean_validate(const int direction, const int value)
948 if (direction == SNC_VALIDATE_IN) {
949 if (value != 0 && value != 1)
956 * Sysfs show/store common to all sony_nc_values
958 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
962 struct sony_nc_value *item =
963 container_of(attr, struct sony_nc_value, devattr);
968 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
974 value = item->validate(SNC_VALIDATE_OUT, value);
976 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
979 static ssize_t sony_nc_sysfs_store(struct device *dev,
980 struct device_attribute *attr,
981 const char *buffer, size_t count)
985 struct sony_nc_value *item =
986 container_of(attr, struct sony_nc_value, devattr);
994 if (kstrtoint(buffer, 10, &value))
998 value = item->validate(SNC_VALIDATE_IN, value);
1003 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1008 item->value = value;
1017 struct sony_backlight_props {
1018 struct backlight_device *dev;
1024 struct sony_backlight_props sony_bl_props;
1026 static int sony_backlight_update_status(struct backlight_device *bd)
1028 int arg = bd->props.brightness + 1;
1029 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1032 static int sony_backlight_get_brightness(struct backlight_device *bd)
1036 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1038 /* brightness levels are 1-based, while backlight ones are 0-based */
1042 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1045 struct sony_backlight_props *sdev =
1046 (struct sony_backlight_props *)bl_get_data(bd);
1048 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1050 return (result & 0xff) - sdev->offset;
1053 static int sony_nc_update_status_ng(struct backlight_device *bd)
1056 struct sony_backlight_props *sdev =
1057 (struct sony_backlight_props *)bl_get_data(bd);
1059 value = bd->props.brightness + sdev->offset;
1060 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1067 static const struct backlight_ops sony_backlight_ops = {
1068 .options = BL_CORE_SUSPENDRESUME,
1069 .update_status = sony_backlight_update_status,
1070 .get_brightness = sony_backlight_get_brightness,
1072 static const struct backlight_ops sony_backlight_ng_ops = {
1073 .options = BL_CORE_SUSPENDRESUME,
1074 .update_status = sony_nc_update_status_ng,
1075 .get_brightness = sony_nc_get_brightness_ng,
1079 * New SNC-only Vaios event mapping to driver known keys
1081 struct sony_nc_event {
1086 static struct sony_nc_event sony_100_events[] = {
1087 { 0x90, SONYPI_EVENT_PKEY_P1 },
1088 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1089 { 0x91, SONYPI_EVENT_PKEY_P2 },
1090 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1091 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1092 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1093 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1094 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1095 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1096 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1097 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1098 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1099 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1100 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1101 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1102 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1103 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1104 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1106 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1108 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1110 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1111 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1112 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1113 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1114 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1115 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1116 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1117 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1118 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1119 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1120 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1121 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1122 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1123 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1124 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1125 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1126 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1130 static struct sony_nc_event sony_127_events[] = {
1131 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1132 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0x82, SONYPI_EVENT_PKEY_P1 },
1134 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0x83, SONYPI_EVENT_PKEY_P2 },
1136 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0x84, SONYPI_EVENT_PKEY_P3 },
1138 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 { 0x85, SONYPI_EVENT_PKEY_P4 },
1140 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 { 0x86, SONYPI_EVENT_PKEY_P5 },
1142 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1143 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1144 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1148 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1151 unsigned int result = 0;
1152 struct sony_nc_event *key_event;
1154 if (sony_call_snc_handle(handle, 0x200, &result)) {
1155 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1162 if (handle == 0x0100)
1163 key_event = sony_100_events;
1165 key_event = sony_127_events;
1167 for (; key_event->data; key_event++) {
1168 if (key_event->data == result) {
1169 ret = key_event->event;
1174 if (!key_event->data)
1175 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1176 event, result, handle);
1189 static void sony_nc_notify(struct acpi_device *device, u32 event)
1191 u32 real_ev = event;
1193 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1195 if (event >= 0x90) {
1196 unsigned int result = 0;
1197 unsigned int arg = 0;
1198 unsigned int handle = 0;
1199 unsigned int offset = event - 0x90;
1201 if (offset >= ARRAY_SIZE(handles->cap)) {
1202 pr_err("Event 0x%x outside of capabilities list\n",
1206 handle = handles->cap[offset];
1208 /* list of handles known for generating events */
1214 real_ev = sony_nc_hotkeys_decode(event, handle);
1217 sony_laptop_report_input_event(real_ev);
1219 /* restore the original event for reporting */
1227 /* events on this handle are reported when the
1228 * switch changes position or for battery
1229 * events. We'll notify both of them but only
1230 * update the rfkill device status when the
1233 ev_type = KILLSWITCH;
1234 sony_call_snc_handle(handle, 0x0100, &result);
1235 real_ev = result & 0x03;
1237 /* hw switch event */
1239 sony_nc_rfkill_update();
1245 /* Hybrid GFX switching */
1246 sony_call_snc_handle(handle, 0x0000, &result);
1247 dprintk("GFX switch event received (reason: %s)\n",
1248 (result == 0x1) ? "switch change" :
1249 (result == 0x2) ? "output switch" :
1250 (result == 0x3) ? "output switch" :
1253 ev_type = GFX_SWITCH;
1254 real_ev = __sony_nc_gfx_switch_status_get();
1258 /* Hybrid GFX switching SVS151290S */
1259 ev_type = GFX_SWITCH;
1260 real_ev = __sony_nc_gfx_switch_status_get();
1263 dprintk("Unknown event 0x%x for handle 0x%x\n",
1268 /* clear the event (and the event reason when present) */
1270 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1273 /* old style event */
1275 sony_laptop_report_input_event(real_ev);
1277 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1278 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1281 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1282 void *context, void **return_value)
1284 struct acpi_device_info *info;
1286 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1287 pr_warn("method: name: %4.4s, args %X\n",
1288 (char *)&info->name, info->param_count);
1299 static void sony_nc_function_setup(struct acpi_device *device,
1300 struct platform_device *pf_device)
1302 unsigned int i, result, bitmask, arg;
1307 /* setup found handles here */
1308 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1309 unsigned int handle = handles->cap[i];
1314 dprintk("setting up handle 0x%.4x\n", handle);
1321 sony_call_snc_handle(handle, 0, &result);
1325 sony_call_snc_handle(handle, 0x100, &result);
1329 /* touchpad enable/disable */
1330 result = sony_nc_touchpad_setup(pf_device, handle);
1332 pr_err("couldn't set up touchpad control function (%d)\n",
1338 result = sony_nc_battery_care_setup(pf_device, handle);
1340 pr_err("couldn't set up battery care function (%d)\n",
1344 result = sony_nc_lid_resume_setup(pf_device);
1346 pr_err("couldn't set up lid resume function (%d)\n",
1350 result = sony_nc_thermal_setup(pf_device);
1352 pr_err("couldn't set up thermal profile function (%d)\n",
1358 result = sony_nc_gfx_switch_setup(pf_device, handle);
1360 pr_err("couldn't set up GFX Switch status (%d)\n",
1364 result = sony_nc_highspeed_charging_setup(pf_device);
1366 pr_err("couldn't set up high speed charging function (%d)\n",
1371 result = sony_nc_rfkill_setup(device, handle);
1373 pr_err("couldn't set up rfkill support (%d)\n",
1381 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1383 pr_err("couldn't set up keyboard backlight function (%d)\n",
1391 /* Enable all events */
1393 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1394 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1398 static void sony_nc_function_cleanup(struct platform_device *pd)
1400 unsigned int i, result, bitmask, handle;
1402 /* get enabled events and disable them */
1403 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1404 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1406 /* cleanup handles here */
1407 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1409 handle = handles->cap[i];
1417 sony_nc_touchpad_cleanup(pd);
1422 sony_nc_battery_care_cleanup(pd);
1425 sony_nc_lid_resume_cleanup(pd);
1428 sony_nc_thermal_cleanup(pd);
1433 sony_nc_gfx_switch_cleanup(pd);
1436 sony_nc_highspeed_charging_cleanup(pd);
1440 sony_nc_rfkill_cleanup();
1447 sony_nc_kbd_backlight_cleanup(pd, handle);
1454 /* finally cleanup the handles list */
1455 sony_nc_handles_cleanup(pd);
1458 #ifdef CONFIG_PM_SLEEP
1459 static void sony_nc_function_resume(void)
1461 unsigned int i, result, bitmask, arg;
1463 dprintk("Resuming SNC device\n");
1465 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1466 unsigned int handle = handles->cap[i];
1475 /* re-enable hotkeys */
1476 sony_call_snc_handle(handle, 0, &result);
1479 /* re-enable hotkeys */
1480 sony_call_snc_handle(handle, 0x100, &result);
1483 sony_nc_thermal_resume();
1487 sony_nc_rfkill_update();
1494 /* Enable all events */
1496 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1497 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1501 static int sony_nc_resume(struct device *dev)
1503 struct sony_nc_value *item;
1505 for (item = sony_nc_values; item->name; item++) {
1510 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1511 &item->value, NULL);
1513 pr_err("%s: %d\n", __func__, ret);
1518 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1520 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1521 dprintk("ECON Method failed\n");
1524 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1525 sony_nc_function_resume();
1531 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1533 static void sony_nc_rfkill_cleanup(void)
1537 for (i = 0; i < N_SONY_RFKILL; i++) {
1538 if (sony_rfkill_devices[i]) {
1539 rfkill_unregister(sony_rfkill_devices[i]);
1540 rfkill_destroy(sony_rfkill_devices[i]);
1545 static int sony_nc_rfkill_set(void *data, bool blocked)
1548 int argument = sony_rfkill_address[(long) data] + 0x100;
1551 argument |= 0x070000;
1553 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1556 static const struct rfkill_ops sony_rfkill_ops = {
1557 .set_block = sony_nc_rfkill_set,
1560 static int sony_nc_setup_rfkill(struct acpi_device *device,
1561 enum sony_nc_rfkill nc_type)
1565 enum rfkill_type type;
1568 bool hwblock, swblock;
1572 type = RFKILL_TYPE_WLAN;
1575 case SONY_BLUETOOTH:
1576 type = RFKILL_TYPE_BLUETOOTH;
1577 name = "sony-bluetooth";
1580 type = RFKILL_TYPE_WWAN;
1584 type = RFKILL_TYPE_WIMAX;
1585 name = "sony-wimax";
1591 rfk = rfkill_alloc(name, &device->dev, type,
1592 &sony_rfkill_ops, (void *)nc_type);
1596 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1597 rfkill_destroy(rfk);
1600 hwblock = !(result & 0x1);
1602 if (sony_call_snc_handle(sony_rfkill_handle,
1603 sony_rfkill_address[nc_type],
1605 rfkill_destroy(rfk);
1608 swblock = !(result & 0x2);
1610 rfkill_init_sw_state(rfk, swblock);
1611 rfkill_set_hw_state(rfk, hwblock);
1613 err = rfkill_register(rfk);
1615 rfkill_destroy(rfk);
1618 sony_rfkill_devices[nc_type] = rfk;
1622 static void sony_nc_rfkill_update(void)
1624 enum sony_nc_rfkill i;
1628 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1629 hwblock = !(result & 0x1);
1631 for (i = 0; i < N_SONY_RFKILL; i++) {
1632 int argument = sony_rfkill_address[i];
1634 if (!sony_rfkill_devices[i])
1638 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1639 /* we already know we're blocked */
1644 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1645 rfkill_set_states(sony_rfkill_devices[i],
1646 !(result & 0x2), false);
1650 static int sony_nc_rfkill_setup(struct acpi_device *device,
1651 unsigned int handle)
1655 unsigned char buffer[32] = { 0 };
1657 offset = sony_find_snc_handle(handle);
1658 sony_rfkill_handle = handle;
1660 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1665 /* The buffer is filled with magic numbers describing the devices
1666 * available, 0xff terminates the enumeration.
1670 * 0x20 WWAN GPRS-EDGE
1674 * 0x25 Gobi WWAN no GPS
1675 * 0x26 Gobi WWAN + GPS
1676 * 0x28 Gobi WWAN no GPS
1677 * 0x29 Gobi WWAN + GPS
1679 * 0x50 Gobi WWAN no GPS
1680 * 0x51 Gobi WWAN + GPS
1681 * 0x70 no SIM card slot
1682 * 0x71 SIM card slot
1684 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1686 if (buffer[i] == 0xff)
1689 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1691 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1692 sony_nc_setup_rfkill(device, SONY_WIFI);
1694 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1695 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1697 if (((0xf0 & buffer[i]) == 0x20 ||
1698 (0xf0 & buffer[i]) == 0x50) &&
1699 !sony_rfkill_devices[SONY_WWAN])
1700 sony_nc_setup_rfkill(device, SONY_WWAN);
1702 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1703 sony_nc_setup_rfkill(device, SONY_WIMAX);
1708 /* Keyboard backlight feature */
1709 struct kbd_backlight {
1710 unsigned int handle;
1713 unsigned int timeout;
1714 struct device_attribute mode_attr;
1715 struct device_attribute timeout_attr;
1718 static struct kbd_backlight *kbdbl_ctl;
1720 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1727 if (sony_call_snc_handle(kbdbl_ctl->handle,
1728 (value << 0x10) | (kbdbl_ctl->base), &result))
1731 /* Try to turn the light on/off immediately */
1732 sony_call_snc_handle(kbdbl_ctl->handle,
1733 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1735 kbdbl_ctl->mode = value;
1740 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1741 struct device_attribute *attr,
1742 const char *buffer, size_t count)
1745 unsigned long value;
1750 if (kstrtoul(buffer, 10, &value))
1753 ret = __sony_nc_kbd_backlight_mode_set(value);
1760 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1761 struct device_attribute *attr, char *buffer)
1764 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1768 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1775 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1776 (kbdbl_ctl->base + 0x200), &result))
1779 kbdbl_ctl->timeout = value;
1784 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1785 struct device_attribute *attr,
1786 const char *buffer, size_t count)
1789 unsigned long value;
1794 if (kstrtoul(buffer, 10, &value))
1797 ret = __sony_nc_kbd_backlight_timeout_set(value);
1804 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1805 struct device_attribute *attr, char *buffer)
1808 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1812 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1813 unsigned int handle)
1819 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1820 handle, kbdbl_ctl->handle);
1824 /* verify the kbd backlight presence, these handles are not used for
1825 * keyboard backlight only
1827 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1832 if ((handle == 0x0137 && !(result & 0x02)) ||
1834 dprintk("no backlight keyboard found\n");
1838 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1842 kbdbl_ctl->mode = kbd_backlight;
1843 kbdbl_ctl->timeout = kbd_backlight_timeout;
1844 kbdbl_ctl->handle = handle;
1845 if (handle == 0x0137)
1846 kbdbl_ctl->base = 0x0C00;
1848 kbdbl_ctl->base = 0x4000;
1850 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1851 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1852 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1853 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1854 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1856 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1857 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1858 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1859 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1860 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1862 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1866 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1870 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1871 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1876 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1883 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1884 unsigned int handle)
1886 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1887 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1888 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1894 struct battery_care_control {
1895 struct device_attribute attrs[2];
1896 unsigned int handle;
1898 static struct battery_care_control *bcare_ctl;
1900 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1901 struct device_attribute *attr,
1902 const char *buffer, size_t count)
1904 unsigned int result, cmd;
1905 unsigned long value;
1910 if (kstrtoul(buffer, 10, &value))
1913 /* limit values (2 bits):
1919 * bit 0: 0 disable BCL, 1 enable BCL
1920 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1921 * bits 2,3: reserved
1922 * bits 4,5: store the limit into the EC
1923 * bits 6,7: store the limit into the battery
1931 else if (value <= 80)
1934 else if (value <= 100)
1941 * handle 0x0115 should allow storing on battery too;
1942 * handle 0x0136 same as 0x0115 + health status;
1943 * handle 0x013f, same as 0x0136 but no storing on the battery
1945 if (bcare_ctl->handle != 0x013f)
1946 cmd = cmd | (cmd << 2);
1948 cmd = (cmd | 0x1) << 0x10;
1951 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1957 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1958 struct device_attribute *attr, char *buffer)
1960 unsigned int result, status;
1962 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1965 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1981 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
1984 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
1985 struct device_attribute *attr, char *buffer)
1988 unsigned int health;
1990 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
1993 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
1998 static int sony_nc_battery_care_setup(struct platform_device *pd,
1999 unsigned int handle)
2003 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2007 bcare_ctl->handle = handle;
2009 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2010 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2011 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2012 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2013 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2015 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2019 /* 0x0115 is for models with no health reporting capability */
2020 if (handle == 0x0115)
2023 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2024 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2025 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2026 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2028 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2035 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2044 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2047 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2048 if (bcare_ctl->handle != 0x0115)
2049 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2056 struct snc_thermal_ctrl {
2058 unsigned int profiles;
2059 struct device_attribute mode_attr;
2060 struct device_attribute profiles_attr;
2062 static struct snc_thermal_ctrl *th_handle;
2064 #define THM_PROFILE_MAX 3
2065 static const char * const snc_thermal_profiles[] = {
2071 static int sony_nc_thermal_mode_set(unsigned short mode)
2073 unsigned int result;
2075 /* the thermal profile seems to be a two bit bitmask:
2077 * msb -> performance
2078 * no bit set is the normal operation and is always valid
2079 * Some vaio models only have "balanced" and "performance"
2081 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2084 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2087 th_handle->mode = mode;
2092 static int sony_nc_thermal_mode_get(void)
2094 unsigned int result;
2096 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2099 return result & 0xff;
2102 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2103 struct device_attribute *attr, char *buffer)
2108 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2109 if (!cnt || (th_handle->profiles & cnt))
2110 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2111 snc_thermal_profiles[cnt]);
2113 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2118 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2119 struct device_attribute *attr,
2120 const char *buffer, size_t count)
2128 /* skip the newline if present */
2129 if (buffer[len - 1] == '\n')
2132 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2133 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2136 if (sony_nc_thermal_mode_set(cmd))
2142 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2143 struct device_attribute *attr, char *buffer)
2146 int mode = sony_nc_thermal_mode_get();
2151 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2156 static int sony_nc_thermal_setup(struct platform_device *pd)
2159 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2163 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2165 pr_warn("couldn't to read the thermal profiles\n");
2169 ret = sony_nc_thermal_mode_get();
2171 pr_warn("couldn't to read the current thermal profile");
2174 th_handle->mode = ret;
2176 sysfs_attr_init(&th_handle->profiles_attr.attr);
2177 th_handle->profiles_attr.attr.name = "thermal_profiles";
2178 th_handle->profiles_attr.attr.mode = S_IRUGO;
2179 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2181 sysfs_attr_init(&th_handle->mode_attr.attr);
2182 th_handle->mode_attr.attr.name = "thermal_control";
2183 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2184 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2185 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2187 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2191 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2198 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2205 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2208 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2209 device_remove_file(&pd->dev, &th_handle->mode_attr);
2215 #ifdef CONFIG_PM_SLEEP
2216 static void sony_nc_thermal_resume(void)
2218 unsigned int status = sony_nc_thermal_mode_get();
2220 if (status != th_handle->mode)
2221 sony_nc_thermal_mode_set(th_handle->mode);
2225 /* resume on LID open */
2226 struct snc_lid_resume_control {
2227 struct device_attribute attrs[3];
2228 unsigned int status;
2230 static struct snc_lid_resume_control *lid_ctl;
2232 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2233 struct device_attribute *attr,
2234 const char *buffer, size_t count)
2236 unsigned int result, pos;
2237 unsigned long value;
2241 if (kstrtoul(buffer, 10, &value) || value > 1)
2244 /* the value we have to write to SNC is a bitmask:
2250 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2252 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2254 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2260 value = lid_ctl->status | (1 << pos);
2262 value = lid_ctl->status & ~(1 << pos);
2264 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2267 lid_ctl->status = value;
2272 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2273 struct device_attribute *attr, char *buffer)
2277 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2279 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2281 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2286 return snprintf(buffer, PAGE_SIZE, "%d\n",
2287 (lid_ctl->status >> pos) & 0x01);
2290 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2292 unsigned int result;
2295 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2298 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2302 lid_ctl->status = result & 0x7;
2304 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2305 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2306 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2307 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2308 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2310 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2311 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2312 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2313 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2314 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2316 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2317 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2318 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2319 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2320 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2322 for (i = 0; i < 3; i++) {
2323 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2331 for (i--; i >= 0; i--)
2332 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2340 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2345 for (i = 0; i < 3; i++)
2346 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2353 /* GFX Switch position */
2359 struct snc_gfx_switch_control {
2360 struct device_attribute attr;
2361 unsigned int handle;
2363 static struct snc_gfx_switch_control *gfxs_ctl;
2365 /* returns 0 for speed, 1 for stamina */
2366 static int __sony_nc_gfx_switch_status_get(void)
2368 unsigned int result;
2370 if (sony_call_snc_handle(gfxs_ctl->handle,
2371 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2375 switch (gfxs_ctl->handle) {
2377 /* 1: discrete GFX (speed)
2378 * 0: integrated GFX (stamina)
2380 return result & 0x1 ? SPEED : STAMINA;
2383 /* 0: discrete GFX (speed)
2384 * 1: integrated GFX (stamina)
2386 return result & 0x1 ? STAMINA : SPEED;
2389 /* it's a more elaborated bitmask, for now:
2390 * 2: integrated GFX (stamina)
2391 * 0: discrete GFX (speed)
2393 dprintk("GFX Status: 0x%x\n", result);
2394 return result & 0x80 ? AUTO :
2395 result & 0x02 ? STAMINA : SPEED;
2401 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2402 struct device_attribute *attr,
2405 int pos = __sony_nc_gfx_switch_status_get();
2410 return snprintf(buffer, PAGE_SIZE, "%s\n",
2411 pos == SPEED ? "speed" :
2412 pos == STAMINA ? "stamina" :
2413 pos == AUTO ? "auto" : "unknown");
2416 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2417 unsigned int handle)
2419 unsigned int result;
2421 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2425 gfxs_ctl->handle = handle;
2427 sysfs_attr_init(&gfxs_ctl->attr.attr);
2428 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2429 gfxs_ctl->attr.attr.mode = S_IRUGO;
2430 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2432 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2445 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2448 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2455 /* High speed charging function */
2456 static struct device_attribute *hsc_handle;
2458 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2459 struct device_attribute *attr,
2460 const char *buffer, size_t count)
2462 unsigned int result;
2463 unsigned long value;
2468 if (kstrtoul(buffer, 10, &value) || value > 1)
2471 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2477 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2478 struct device_attribute *attr, char *buffer)
2480 unsigned int result;
2482 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2485 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2488 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2490 unsigned int result;
2492 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2493 /* some models advertise the handle but have no implementation
2496 pr_info("No High Speed Charging capability found\n");
2500 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2504 sysfs_attr_init(&hsc_handle->attr);
2505 hsc_handle->attr.name = "battery_highspeed_charging";
2506 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2507 hsc_handle->show = sony_nc_highspeed_charging_show;
2508 hsc_handle->store = sony_nc_highspeed_charging_store;
2510 result = device_create_file(&pd->dev, hsc_handle);
2520 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2523 device_remove_file(&pd->dev, hsc_handle);
2529 /* Touchpad enable/disable */
2530 struct touchpad_control {
2531 struct device_attribute attr;
2534 static struct touchpad_control *tp_ctl;
2536 static ssize_t sony_nc_touchpad_store(struct device *dev,
2537 struct device_attribute *attr, const char *buffer, size_t count)
2539 unsigned int result;
2540 unsigned long value;
2545 if (kstrtoul(buffer, 10, &value) || value > 1)
2548 /* sysfs: 0 disabled, 1 enabled
2549 * EC: 0 enabled, 1 disabled
2551 if (sony_call_snc_handle(tp_ctl->handle,
2552 (!value << 0x10) | 0x100, &result))
2558 static ssize_t sony_nc_touchpad_show(struct device *dev,
2559 struct device_attribute *attr, char *buffer)
2561 unsigned int result;
2563 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2566 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2569 static int sony_nc_touchpad_setup(struct platform_device *pd,
2570 unsigned int handle)
2574 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2578 tp_ctl->handle = handle;
2580 sysfs_attr_init(&tp_ctl->attr.attr);
2581 tp_ctl->attr.attr.name = "touchpad";
2582 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2583 tp_ctl->attr.show = sony_nc_touchpad_show;
2584 tp_ctl->attr.store = sony_nc_touchpad_store;
2586 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2595 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2598 device_remove_file(&pd->dev, &tp_ctl->attr);
2604 static void sony_nc_backlight_ng_read_limits(int handle,
2605 struct sony_backlight_props *props)
2609 int lvl_table_len = 0;
2610 u8 min = 0xff, max = 0x00;
2611 unsigned char buffer[32] = { 0 };
2613 props->handle = handle;
2615 props->maxlvl = 0xff;
2617 offset = sony_find_snc_handle(handle);
2619 /* try to read the boundaries from ACPI tables, if we fail the above
2620 * defaults should be reasonable
2622 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2639 /* the buffer lists brightness levels available, brightness levels are
2640 * from position 0 to 8 in the array, other values are used by ALS
2643 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2645 dprintk("Brightness level: %d\n", buffer[i]);
2650 if (buffer[i] > max)
2652 if (buffer[i] < min)
2655 props->offset = min;
2656 props->maxlvl = max;
2657 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2661 static void sony_nc_backlight_setup(void)
2663 int max_brightness = 0;
2664 const struct backlight_ops *ops = NULL;
2665 struct backlight_properties props;
2667 if (sony_find_snc_handle(0x12f) >= 0) {
2668 ops = &sony_backlight_ng_ops;
2669 sony_bl_props.cmd_base = 0x0100;
2670 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2671 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2673 } else if (sony_find_snc_handle(0x137) >= 0) {
2674 ops = &sony_backlight_ng_ops;
2675 sony_bl_props.cmd_base = 0x0100;
2676 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2677 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2679 } else if (sony_find_snc_handle(0x143) >= 0) {
2680 ops = &sony_backlight_ng_ops;
2681 sony_bl_props.cmd_base = 0x3000;
2682 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2683 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2685 } else if (sony_find_snc_handle(0x14b) >= 0) {
2686 ops = &sony_backlight_ng_ops;
2687 sony_bl_props.cmd_base = 0x3000;
2688 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2689 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2691 } else if (sony_find_snc_handle(0x14c) >= 0) {
2692 ops = &sony_backlight_ng_ops;
2693 sony_bl_props.cmd_base = 0x3000;
2694 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2695 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2697 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
2698 ops = &sony_backlight_ops;
2699 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2704 memset(&props, 0, sizeof(struct backlight_properties));
2705 props.type = BACKLIGHT_PLATFORM;
2706 props.max_brightness = max_brightness;
2707 sony_bl_props.dev = backlight_device_register("sony", NULL,
2711 if (IS_ERR(sony_bl_props.dev)) {
2712 pr_warn("unable to register backlight device\n");
2713 sony_bl_props.dev = NULL;
2715 sony_bl_props.dev->props.brightness =
2716 ops->get_brightness(sony_bl_props.dev);
2719 static void sony_nc_backlight_cleanup(void)
2721 if (sony_bl_props.dev)
2722 backlight_device_unregister(sony_bl_props.dev);
2725 static int sony_nc_add(struct acpi_device *device)
2729 struct sony_nc_value *item;
2731 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2733 sony_nc_acpi_device = device;
2734 strcpy(acpi_device_class(device), "sony/hotkey");
2736 sony_nc_acpi_handle = device->handle;
2738 /* read device status */
2739 result = acpi_bus_get_status(device);
2740 /* bail IFF the above call was successful and the device is not present */
2741 if (!result && !device->status.present) {
2742 dprintk("Device not present\n");
2747 result = sony_pf_add();
2752 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2753 sony_nc_acpi_handle, 1, sony_walk_callback,
2755 if (ACPI_FAILURE(status)) {
2756 pr_warn("unable to walk acpi resources\n");
2762 result = sony_laptop_setup_input(device);
2764 pr_err("Unable to create input devices\n");
2768 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
2770 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2771 dprintk("ECON Method failed\n");
2774 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
2775 dprintk("Doing SNC setup\n");
2776 /* retrieve the available handles */
2777 result = sony_nc_handles_setup(sony_pf_device);
2779 sony_nc_function_setup(device, sony_pf_device);
2782 /* setup input devices and helper fifo */
2783 if (acpi_video_backlight_support()) {
2784 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2786 sony_nc_backlight_setup();
2789 /* create sony_pf sysfs attributes related to the SNC device */
2790 for (item = sony_nc_values; item->name; ++item) {
2792 if (!debug && item->debug)
2795 /* find the available acpiget as described in the DSDT */
2796 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2797 if (acpi_has_method(sony_nc_acpi_handle,
2799 dprintk("Found %s getter: %s\n",
2800 item->name, *item->acpiget);
2801 item->devattr.attr.mode |= S_IRUGO;
2806 /* find the available acpiset as described in the DSDT */
2807 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2808 if (acpi_has_method(sony_nc_acpi_handle,
2810 dprintk("Found %s setter: %s\n",
2811 item->name, *item->acpiset);
2812 item->devattr.attr.mode |= S_IWUSR;
2817 if (item->devattr.attr.mode != 0) {
2819 device_create_file(&sony_pf_device->dev,
2829 for (item = sony_nc_values; item->name; ++item) {
2830 device_remove_file(&sony_pf_device->dev, &item->devattr);
2832 sony_nc_backlight_cleanup();
2833 sony_nc_function_cleanup(sony_pf_device);
2834 sony_nc_handles_cleanup(sony_pf_device);
2837 sony_laptop_remove_input();
2843 sony_nc_rfkill_cleanup();
2847 static int sony_nc_remove(struct acpi_device *device)
2849 struct sony_nc_value *item;
2851 sony_nc_backlight_cleanup();
2853 sony_nc_acpi_device = NULL;
2855 for (item = sony_nc_values; item->name; ++item) {
2856 device_remove_file(&sony_pf_device->dev, &item->devattr);
2859 sony_nc_function_cleanup(sony_pf_device);
2860 sony_nc_handles_cleanup(sony_pf_device);
2862 sony_laptop_remove_input();
2863 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2868 static const struct acpi_device_id sony_device_ids[] = {
2873 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2875 static const struct acpi_device_id sony_nc_device_ids[] = {
2880 static struct acpi_driver sony_nc_driver = {
2881 .name = SONY_NC_DRIVER_NAME,
2882 .class = SONY_NC_CLASS,
2883 .ids = sony_nc_device_ids,
2884 .owner = THIS_MODULE,
2887 .remove = sony_nc_remove,
2888 .notify = sony_nc_notify,
2890 .drv.pm = &sony_nc_pm,
2893 /*********** SPIC (SNY6001) Device ***********/
2895 #define SONYPI_DEVICE_TYPE1 0x00000001
2896 #define SONYPI_DEVICE_TYPE2 0x00000002
2897 #define SONYPI_DEVICE_TYPE3 0x00000004
2899 #define SONYPI_TYPE1_OFFSET 0x04
2900 #define SONYPI_TYPE2_OFFSET 0x12
2901 #define SONYPI_TYPE3_OFFSET 0x12
2903 struct sony_pic_ioport {
2904 struct acpi_resource_io io1;
2905 struct acpi_resource_io io2;
2906 struct list_head list;
2909 struct sony_pic_irq {
2910 struct acpi_resource_irq irq;
2911 struct list_head list;
2914 struct sonypi_eventtypes {
2917 struct sonypi_event *events;
2920 struct sony_pic_dev {
2921 struct acpi_device *acpi_dev;
2922 struct sony_pic_irq *cur_irq;
2923 struct sony_pic_ioport *cur_ioport;
2924 struct list_head interrupts;
2925 struct list_head ioports;
2927 struct sonypi_eventtypes *event_types;
2928 int (*handle_irq)(const u8, const u8);
2936 static struct sony_pic_dev spic_dev = {
2937 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2938 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2941 static int spic_drv_registered;
2944 #define SONYPI_JOGGER_MASK 0x00000001
2945 #define SONYPI_CAPTURE_MASK 0x00000002
2946 #define SONYPI_FNKEY_MASK 0x00000004
2947 #define SONYPI_BLUETOOTH_MASK 0x00000008
2948 #define SONYPI_PKEY_MASK 0x00000010
2949 #define SONYPI_BACK_MASK 0x00000020
2950 #define SONYPI_HELP_MASK 0x00000040
2951 #define SONYPI_LID_MASK 0x00000080
2952 #define SONYPI_ZOOM_MASK 0x00000100
2953 #define SONYPI_THUMBPHRASE_MASK 0x00000200
2954 #define SONYPI_MEYE_MASK 0x00000400
2955 #define SONYPI_MEMORYSTICK_MASK 0x00000800
2956 #define SONYPI_BATTERY_MASK 0x00001000
2957 #define SONYPI_WIRELESS_MASK 0x00002000
2959 struct sonypi_event {
2964 /* The set of possible button release events */
2965 static struct sonypi_event sonypi_releaseev[] = {
2966 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2970 /* The set of possible jogger events */
2971 static struct sonypi_event sonypi_joggerev[] = {
2972 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2973 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2974 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2975 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2976 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2977 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2978 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2979 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2980 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
2981 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
2982 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
2983 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
2984 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
2988 /* The set of possible capture button events */
2989 static struct sonypi_event sonypi_captureev[] = {
2990 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
2991 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
2992 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2993 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
2997 /* The set of possible fnkeys events */
2998 static struct sonypi_event sonypi_fnkeyev[] = {
2999 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3000 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3001 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3002 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3003 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3004 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3005 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3006 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3007 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3008 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3009 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3010 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3011 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3012 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3013 { 0x21, SONYPI_EVENT_FNKEY_1 },
3014 { 0x22, SONYPI_EVENT_FNKEY_2 },
3015 { 0x31, SONYPI_EVENT_FNKEY_D },
3016 { 0x32, SONYPI_EVENT_FNKEY_E },
3017 { 0x33, SONYPI_EVENT_FNKEY_F },
3018 { 0x34, SONYPI_EVENT_FNKEY_S },
3019 { 0x35, SONYPI_EVENT_FNKEY_B },
3020 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3024 /* The set of possible program key events */
3025 static struct sonypi_event sonypi_pkeyev[] = {
3026 { 0x01, SONYPI_EVENT_PKEY_P1 },
3027 { 0x02, SONYPI_EVENT_PKEY_P2 },
3028 { 0x04, SONYPI_EVENT_PKEY_P3 },
3029 { 0x20, SONYPI_EVENT_PKEY_P1 },
3033 /* The set of possible bluetooth events */
3034 static struct sonypi_event sonypi_blueev[] = {
3035 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3036 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3037 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3041 /* The set of possible wireless events */
3042 static struct sonypi_event sonypi_wlessev[] = {
3043 { 0x59, SONYPI_EVENT_IGNORE },
3044 { 0x5a, SONYPI_EVENT_IGNORE },
3048 /* The set of possible back button events */
3049 static struct sonypi_event sonypi_backev[] = {
3050 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3054 /* The set of possible help button events */
3055 static struct sonypi_event sonypi_helpev[] = {
3056 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3061 /* The set of possible lid events */
3062 static struct sonypi_event sonypi_lidev[] = {
3063 { 0x51, SONYPI_EVENT_LID_CLOSED },
3064 { 0x50, SONYPI_EVENT_LID_OPENED },
3068 /* The set of possible zoom events */
3069 static struct sonypi_event sonypi_zoomev[] = {
3070 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3071 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3072 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3073 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3077 /* The set of possible thumbphrase events */
3078 static struct sonypi_event sonypi_thumbphraseev[] = {
3079 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3083 /* The set of possible motioneye camera events */
3084 static struct sonypi_event sonypi_meyeev[] = {
3085 { 0x00, SONYPI_EVENT_MEYE_FACE },
3086 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3090 /* The set of possible memorystick events */
3091 static struct sonypi_event sonypi_memorystickev[] = {
3092 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3093 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3097 /* The set of possible battery events */
3098 static struct sonypi_event sonypi_batteryev[] = {
3099 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3100 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3104 /* The set of possible volume events */
3105 static struct sonypi_event sonypi_volumeev[] = {
3106 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3107 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3111 /* The set of possible brightness events */
3112 static struct sonypi_event sonypi_brightnessev[] = {
3113 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3117 static struct sonypi_eventtypes type1_events[] = {
3118 { 0, 0xffffffff, sonypi_releaseev },
3119 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3120 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3121 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3122 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3123 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3124 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3125 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3126 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3127 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3130 static struct sonypi_eventtypes type2_events[] = {
3131 { 0, 0xffffffff, sonypi_releaseev },
3132 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3133 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3134 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3135 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3136 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3137 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3138 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3139 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3140 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3141 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3142 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3143 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3144 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3147 static struct sonypi_eventtypes type3_events[] = {
3148 { 0, 0xffffffff, sonypi_releaseev },
3149 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3150 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3151 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3152 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3153 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3154 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3155 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3156 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3157 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3158 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3162 /* low level spic calls */
3163 #define ITERATIONS_LONG 10000
3164 #define ITERATIONS_SHORT 10
3165 #define wait_on_command(command, iterations) { \
3166 unsigned int n = iterations; \
3167 while (--n && (command)) \
3170 dprintk("command failed at %s : %s (line %d)\n", \
3171 __FILE__, __func__, __LINE__); \
3174 static u8 sony_pic_call1(u8 dev)
3178 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3180 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3181 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3182 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3183 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3187 static u8 sony_pic_call2(u8 dev, u8 fn)
3191 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3193 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3194 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3196 outb(fn, spic_dev.cur_ioport->io1.minimum);
3197 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3198 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3202 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3206 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3207 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3208 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3209 outb(fn, spic_dev.cur_ioport->io1.minimum);
3210 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3211 outb(v, spic_dev.cur_ioport->io1.minimum);
3212 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3213 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3219 * minidrivers for SPIC models
3221 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3224 * 0x31 could mean we have to take some extra action and wait for
3225 * the next irq for some Type3 models, it will generate a new
3226 * irq and we can read new data from the device:
3227 * - 0x5c and 0x5f requires 0xA0
3228 * - 0x61 requires 0xB3
3230 if (data_mask == 0x31) {
3231 if (ev == 0x5c || ev == 0x5f)
3232 sony_pic_call1(0xA0);
3233 else if (ev == 0x61)
3234 sony_pic_call1(0xB3);
3240 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3242 struct pci_dev *pcidev;
3244 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3245 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3247 dev->model = SONYPI_DEVICE_TYPE1;
3248 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3249 dev->event_types = type1_events;
3253 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3254 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3256 dev->model = SONYPI_DEVICE_TYPE2;
3257 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3258 dev->event_types = type2_events;
3262 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3263 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3265 dev->model = SONYPI_DEVICE_TYPE3;
3266 dev->handle_irq = type3_handle_irq;
3267 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3268 dev->event_types = type3_events;
3272 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3273 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3275 dev->model = SONYPI_DEVICE_TYPE3;
3276 dev->handle_irq = type3_handle_irq;
3277 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3278 dev->event_types = type3_events;
3282 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3283 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3285 dev->model = SONYPI_DEVICE_TYPE3;
3286 dev->handle_irq = type3_handle_irq;
3287 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3288 dev->event_types = type3_events;
3293 dev->model = SONYPI_DEVICE_TYPE2;
3294 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3295 dev->event_types = type2_events;
3299 pci_dev_put(pcidev);
3301 pr_info("detected Type%d model\n",
3302 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3303 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3306 /* camera tests and poweron/poweroff */
3307 #define SONYPI_CAMERA_PICTURE 5
3308 #define SONYPI_CAMERA_CONTROL 0x10
3310 #define SONYPI_CAMERA_BRIGHTNESS 0
3311 #define SONYPI_CAMERA_CONTRAST 1
3312 #define SONYPI_CAMERA_HUE 2
3313 #define SONYPI_CAMERA_COLOR 3
3314 #define SONYPI_CAMERA_SHARPNESS 4
3316 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3317 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3318 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3319 #define SONYPI_CAMERA_MUTE_MASK 0x40
3321 /* the rest don't need a loop until not 0xff */
3322 #define SONYPI_CAMERA_AGC 6
3323 #define SONYPI_CAMERA_AGC_MASK 0x30
3324 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3326 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3327 #define SONYPI_CAMERA_CONTROL 0x10
3329 #define SONYPI_CAMERA_STATUS 7
3330 #define SONYPI_CAMERA_STATUS_READY 0x2
3331 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3333 #define SONYPI_DIRECTION_BACKWARDS 0x4
3335 #define SONYPI_CAMERA_REVISION 8
3336 #define SONYPI_CAMERA_ROMVERSION 9
3338 static int __sony_pic_camera_ready(void)
3342 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3343 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3346 static int __sony_pic_camera_off(void)
3349 pr_warn("camera control not enabled\n");
3353 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3354 SONYPI_CAMERA_MUTE_MASK),
3357 if (spic_dev.camera_power) {
3358 sony_pic_call2(0x91, 0);
3359 spic_dev.camera_power = 0;
3364 static int __sony_pic_camera_on(void)
3369 pr_warn("camera control not enabled\n");
3373 if (spic_dev.camera_power)
3376 for (j = 5; j > 0; j--) {
3378 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3380 sony_pic_call1(0x93);
3382 for (i = 400; i > 0; i--) {
3383 if (__sony_pic_camera_ready())
3392 pr_warn("failed to power on camera\n");
3396 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3400 spic_dev.camera_power = 1;
3404 /* External camera command (exported to the motion eye v4l driver) */
3405 int sony_pic_camera_command(int command, u8 value)
3410 mutex_lock(&spic_dev.lock);
3413 case SONY_PIC_COMMAND_SETCAMERA:
3415 __sony_pic_camera_on();
3417 __sony_pic_camera_off();
3419 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3420 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3423 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3424 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3427 case SONY_PIC_COMMAND_SETCAMERAHUE:
3428 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3431 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3432 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3435 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3436 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3439 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3440 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3443 case SONY_PIC_COMMAND_SETCAMERAAGC:
3444 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3448 pr_err("sony_pic_camera_command invalid: %d\n", command);
3451 mutex_unlock(&spic_dev.lock);
3454 EXPORT_SYMBOL(sony_pic_camera_command);
3456 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3457 static void __sony_pic_set_wwanpower(u8 state)
3460 if (spic_dev.wwan_power == state)
3462 sony_pic_call2(0xB0, state);
3463 sony_pic_call1(0x82);
3464 spic_dev.wwan_power = state;
3467 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3468 struct device_attribute *attr,
3469 const char *buffer, size_t count)
3471 unsigned long value;
3475 if (kstrtoul(buffer, 10, &value))
3478 mutex_lock(&spic_dev.lock);
3479 __sony_pic_set_wwanpower(value);
3480 mutex_unlock(&spic_dev.lock);
3485 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3486 struct device_attribute *attr, char *buffer)
3489 mutex_lock(&spic_dev.lock);
3490 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3491 mutex_unlock(&spic_dev.lock);
3495 /* bluetooth subsystem power state */
3496 static void __sony_pic_set_bluetoothpower(u8 state)
3499 if (spic_dev.bluetooth_power == state)
3501 sony_pic_call2(0x96, state);
3502 sony_pic_call1(0x82);
3503 spic_dev.bluetooth_power = state;
3506 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3507 struct device_attribute *attr,
3508 const char *buffer, size_t count)
3510 unsigned long value;
3514 if (kstrtoul(buffer, 10, &value))
3517 mutex_lock(&spic_dev.lock);
3518 __sony_pic_set_bluetoothpower(value);
3519 mutex_unlock(&spic_dev.lock);
3524 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3525 struct device_attribute *attr, char *buffer)
3528 mutex_lock(&spic_dev.lock);
3529 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3530 mutex_unlock(&spic_dev.lock);
3535 /* FAN0 information (reverse engineered from ACPI tables) */
3536 #define SONY_PIC_FAN0_STATUS 0x93
3537 static int sony_pic_set_fanspeed(unsigned long value)
3539 return ec_write(SONY_PIC_FAN0_STATUS, value);
3542 static int sony_pic_get_fanspeed(u8 *value)
3544 return ec_read(SONY_PIC_FAN0_STATUS, value);
3547 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3548 struct device_attribute *attr,
3549 const char *buffer, size_t count)
3551 unsigned long value;
3555 if (kstrtoul(buffer, 10, &value))
3558 if (sony_pic_set_fanspeed(value))
3564 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3565 struct device_attribute *attr, char *buffer)
3568 if (sony_pic_get_fanspeed(&value))
3571 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3574 #define SPIC_ATTR(_name, _mode) \
3575 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3576 _mode, sony_pic_## _name ##_show, \
3577 sony_pic_## _name ##_store)
3579 static SPIC_ATTR(bluetoothpower, 0644);
3580 static SPIC_ATTR(wwanpower, 0644);
3581 static SPIC_ATTR(fanspeed, 0644);
3583 static struct attribute *spic_attributes[] = {
3584 &spic_attr_bluetoothpower.attr,
3585 &spic_attr_wwanpower.attr,
3586 &spic_attr_fanspeed.attr,
3590 static struct attribute_group spic_attribute_group = {
3591 .attrs = spic_attributes
3594 /******** SONYPI compatibility **********/
3595 #ifdef CONFIG_SONYPI_COMPAT
3597 /* battery / brightness / temperature addresses */
3598 #define SONYPI_BAT_FLAGS 0x81
3599 #define SONYPI_LCD_LIGHT 0x96
3600 #define SONYPI_BAT1_PCTRM 0xa0
3601 #define SONYPI_BAT1_LEFT 0xa2
3602 #define SONYPI_BAT1_MAXRT 0xa4
3603 #define SONYPI_BAT2_PCTRM 0xa8
3604 #define SONYPI_BAT2_LEFT 0xaa
3605 #define SONYPI_BAT2_MAXRT 0xac
3606 #define SONYPI_BAT1_MAXTK 0xb0
3607 #define SONYPI_BAT1_FULL 0xb2
3608 #define SONYPI_BAT2_MAXTK 0xb8
3609 #define SONYPI_BAT2_FULL 0xba
3610 #define SONYPI_TEMP_STATUS 0xC1
3612 struct sonypi_compat_s {
3613 struct fasync_struct *fifo_async;
3615 spinlock_t fifo_lock;
3616 wait_queue_head_t fifo_proc_list;
3617 atomic_t open_count;
3619 static struct sonypi_compat_s sonypi_compat = {
3620 .open_count = ATOMIC_INIT(0),
3623 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3625 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3628 static int sonypi_misc_release(struct inode *inode, struct file *file)
3630 atomic_dec(&sonypi_compat.open_count);
3634 static int sonypi_misc_open(struct inode *inode, struct file *file)
3636 /* Flush input queue on first open */
3637 unsigned long flags;
3639 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3641 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3642 kfifo_reset(&sonypi_compat.fifo);
3644 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3649 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3650 size_t count, loff_t *pos)
3655 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3656 (file->f_flags & O_NONBLOCK))
3659 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3660 kfifo_len(&sonypi_compat.fifo) != 0);
3664 while (ret < count &&
3665 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3666 &sonypi_compat.fifo_lock) == sizeof(c))) {
3667 if (put_user(c, buf++))
3673 struct inode *inode = file_inode(file);
3674 inode->i_atime = current_fs_time(inode->i_sb);
3680 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3682 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3683 if (kfifo_len(&sonypi_compat.fifo))
3684 return POLLIN | POLLRDNORM;
3688 static int ec_read16(u8 addr, u16 *value)
3691 if (ec_read(addr, &val_lb))
3693 if (ec_read(addr + 1, &val_hb))
3695 *value = val_lb | (val_hb << 8);
3699 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3703 void __user *argp = (void __user *)arg;
3708 mutex_lock(&spic_dev.lock);
3710 case SONYPI_IOCGBRT:
3711 if (sony_bl_props.dev == NULL) {
3715 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3720 val8 = ((value & 0xff) - 1) << 5;
3721 if (copy_to_user(argp, &val8, sizeof(val8)))
3724 case SONYPI_IOCSBRT:
3725 if (sony_bl_props.dev == NULL) {
3729 if (copy_from_user(&val8, argp, sizeof(val8))) {
3733 value = (val8 >> 5) + 1;
3734 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3739 /* sync the backlight device status */
3740 sony_bl_props.dev->props.brightness =
3741 sony_backlight_get_brightness(sony_bl_props.dev);
3743 case SONYPI_IOCGBAT1CAP:
3744 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3748 if (copy_to_user(argp, &val16, sizeof(val16)))
3751 case SONYPI_IOCGBAT1REM:
3752 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3756 if (copy_to_user(argp, &val16, sizeof(val16)))
3759 case SONYPI_IOCGBAT2CAP:
3760 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3764 if (copy_to_user(argp, &val16, sizeof(val16)))
3767 case SONYPI_IOCGBAT2REM:
3768 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3772 if (copy_to_user(argp, &val16, sizeof(val16)))
3775 case SONYPI_IOCGBATFLAGS:
3776 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3781 if (copy_to_user(argp, &val8, sizeof(val8)))
3784 case SONYPI_IOCGBLUE:
3785 val8 = spic_dev.bluetooth_power;
3786 if (copy_to_user(argp, &val8, sizeof(val8)))
3789 case SONYPI_IOCSBLUE:
3790 if (copy_from_user(&val8, argp, sizeof(val8))) {
3794 __sony_pic_set_bluetoothpower(val8);
3797 case SONYPI_IOCGFAN:
3798 if (sony_pic_get_fanspeed(&val8)) {
3802 if (copy_to_user(argp, &val8, sizeof(val8)))
3805 case SONYPI_IOCSFAN:
3806 if (copy_from_user(&val8, argp, sizeof(val8))) {
3810 if (sony_pic_set_fanspeed(val8))
3813 /* GET Temperature (useful under APM) */
3814 case SONYPI_IOCGTEMP:
3815 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3819 if (copy_to_user(argp, &val8, sizeof(val8)))
3825 mutex_unlock(&spic_dev.lock);
3829 static const struct file_operations sonypi_misc_fops = {
3830 .owner = THIS_MODULE,
3831 .read = sonypi_misc_read,
3832 .poll = sonypi_misc_poll,
3833 .open = sonypi_misc_open,
3834 .release = sonypi_misc_release,
3835 .fasync = sonypi_misc_fasync,
3836 .unlocked_ioctl = sonypi_misc_ioctl,
3837 .llseek = noop_llseek,
3840 static struct miscdevice sonypi_misc_device = {
3841 .minor = MISC_DYNAMIC_MINOR,
3843 .fops = &sonypi_misc_fops,
3846 static void sonypi_compat_report_event(u8 event)
3848 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3849 sizeof(event), &sonypi_compat.fifo_lock);
3850 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3851 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3854 static int sonypi_compat_init(void)
3858 spin_lock_init(&sonypi_compat.fifo_lock);
3860 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3862 pr_err("kfifo_alloc failed\n");
3866 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3869 sonypi_misc_device.minor = minor;
3870 error = misc_register(&sonypi_misc_device);
3872 pr_err("misc_register failed\n");
3873 goto err_free_kfifo;
3876 pr_info("device allocated minor is %d\n",
3877 sonypi_misc_device.minor);
3882 kfifo_free(&sonypi_compat.fifo);
3886 static void sonypi_compat_exit(void)
3888 misc_deregister(&sonypi_misc_device);
3889 kfifo_free(&sonypi_compat.fifo);
3892 static int sonypi_compat_init(void) { return 0; }
3893 static void sonypi_compat_exit(void) { }
3894 static void sonypi_compat_report_event(u8 event) { }
3895 #endif /* CONFIG_SONYPI_COMPAT */
3901 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3904 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3906 switch (resource->type) {
3907 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3909 /* start IO enumeration */
3910 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3914 list_add(&ioport->list, &dev->ioports);
3918 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3919 /* end IO enumeration */
3922 case ACPI_RESOURCE_TYPE_IRQ:
3924 struct acpi_resource_irq *p = &resource->data.irq;
3925 struct sony_pic_irq *interrupt = NULL;
3926 if (!p || !p->interrupt_count) {
3928 * IRQ descriptors may have no IRQ# bits set,
3929 * particularly those those w/ _STA disabled
3931 dprintk("Blank IRQ resource\n");
3934 for (i = 0; i < p->interrupt_count; i++) {
3935 if (!p->interrupts[i]) {
3936 pr_warn("Invalid IRQ %d\n",
3940 interrupt = kzalloc(sizeof(*interrupt),
3945 list_add(&interrupt->list, &dev->interrupts);
3946 interrupt->irq.triggering = p->triggering;
3947 interrupt->irq.polarity = p->polarity;
3948 interrupt->irq.sharable = p->sharable;
3949 interrupt->irq.interrupt_count = 1;
3950 interrupt->irq.interrupts[0] = p->interrupts[i];
3954 case ACPI_RESOURCE_TYPE_IO:
3956 struct acpi_resource_io *io = &resource->data.io;
3957 struct sony_pic_ioport *ioport =
3958 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3960 dprintk("Blank IO resource\n");
3964 if (!ioport->io1.minimum) {
3965 memcpy(&ioport->io1, io, sizeof(*io));
3966 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3967 ioport->io1.address_length);
3969 else if (!ioport->io2.minimum) {
3970 memcpy(&ioport->io2, io, sizeof(*io));
3971 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3972 ioport->io2.address_length);
3975 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3981 dprintk("Resource %d isn't an IRQ nor an IO port\n",
3984 case ACPI_RESOURCE_TYPE_END_TAG:
3987 return AE_CTRL_TERMINATE;
3990 static int sony_pic_possible_resources(struct acpi_device *device)
3993 acpi_status status = AE_OK;
3998 /* get device status */
3999 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4000 dprintk("Evaluating _STA\n");
4001 result = acpi_bus_get_status(device);
4003 pr_warn("Unable to read status\n");
4007 if (!device->status.enabled)
4008 dprintk("Device disabled\n");
4010 dprintk("Device enabled\n");
4013 * Query and parse 'method'
4015 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4016 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4017 sony_pic_read_possible_resource, &spic_dev);
4018 if (ACPI_FAILURE(status)) {
4019 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4027 * Disable the spic device by calling its _DIS method
4029 static int sony_pic_disable(struct acpi_device *device)
4031 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4034 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4037 dprintk("Device disabled\n");
4043 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4045 * Call _SRS to set current resources
4047 static int sony_pic_enable(struct acpi_device *device,
4048 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4052 /* Type 1 resource layout is:
4058 * Type 2 and 3 resource layout is:
4064 struct acpi_resource res1;
4065 struct acpi_resource res2;
4066 struct acpi_resource res3;
4067 struct acpi_resource res4;
4069 struct acpi_buffer buffer = { 0, NULL };
4071 if (!ioport || !irq)
4074 /* init acpi_buffer */
4075 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4079 buffer.length = sizeof(*resource) + 1;
4080 buffer.pointer = resource;
4082 /* setup Type 1 resources */
4083 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4085 /* setup io resources */
4086 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4087 resource->res1.length = sizeof(struct acpi_resource);
4088 memcpy(&resource->res1.data.io, &ioport->io1,
4089 sizeof(struct acpi_resource_io));
4091 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4092 resource->res2.length = sizeof(struct acpi_resource);
4093 memcpy(&resource->res2.data.io, &ioport->io2,
4094 sizeof(struct acpi_resource_io));
4096 /* setup irq resource */
4097 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4098 resource->res3.length = sizeof(struct acpi_resource);
4099 memcpy(&resource->res3.data.irq, &irq->irq,
4100 sizeof(struct acpi_resource_irq));
4101 /* we requested a shared irq */
4102 resource->res3.data.irq.sharable = ACPI_SHARED;
4104 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4105 resource->res4.length = sizeof(struct acpi_resource);
4107 /* setup Type 2/3 resources */
4109 /* setup io resource */
4110 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4111 resource->res1.length = sizeof(struct acpi_resource);
4112 memcpy(&resource->res1.data.io, &ioport->io1,
4113 sizeof(struct acpi_resource_io));
4115 /* setup irq resource */
4116 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4117 resource->res2.length = sizeof(struct acpi_resource);
4118 memcpy(&resource->res2.data.irq, &irq->irq,
4119 sizeof(struct acpi_resource_irq));
4120 /* we requested a shared irq */
4121 resource->res2.data.irq.sharable = ACPI_SHARED;
4123 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4124 resource->res3.length = sizeof(struct acpi_resource);
4127 /* Attempt to set the resource */
4128 dprintk("Evaluating _SRS\n");
4129 status = acpi_set_current_resources(device->handle, &buffer);
4131 /* check for total failure */
4132 if (ACPI_FAILURE(status)) {
4133 pr_err("Error evaluating _SRS\n");
4138 /* Necessary device initializations calls (from sonypi) */
4139 sony_pic_call1(0x82);
4140 sony_pic_call2(0x81, 0xff);
4141 sony_pic_call1(compat ? 0x92 : 0x82);
4150 * ISR: some event is available
4153 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4158 u8 device_event = 0;
4160 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4162 ev = inb_p(dev->cur_ioport->io1.minimum);
4163 if (dev->cur_ioport->io2.minimum)
4164 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4166 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4167 dev->evport_offset);
4169 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4170 ev, data_mask, dev->cur_ioport->io1.minimum,
4171 dev->evport_offset);
4173 if (ev == 0x00 || ev == 0xff)
4176 for (i = 0; dev->event_types[i].mask; i++) {
4178 if ((data_mask & dev->event_types[i].data) !=
4179 dev->event_types[i].data)
4182 if (!(mask & dev->event_types[i].mask))
4185 for (j = 0; dev->event_types[i].events[j].event; j++) {
4186 if (ev == dev->event_types[i].events[j].data) {
4188 dev->event_types[i].events[j].event;
4189 /* some events may require ignoring */
4196 /* Still not able to decode the event try to pass
4197 * it over to the minidriver
4199 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4202 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4203 ev, data_mask, dev->cur_ioport->io1.minimum,
4204 dev->evport_offset);
4208 sony_laptop_report_input_event(device_event);
4209 sonypi_compat_report_event(device_event);
4218 static int sony_pic_remove(struct acpi_device *device)
4220 struct sony_pic_ioport *io, *tmp_io;
4221 struct sony_pic_irq *irq, *tmp_irq;
4223 if (sony_pic_disable(device)) {
4224 pr_err("Couldn't disable device\n");
4228 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4229 release_region(spic_dev.cur_ioport->io1.minimum,
4230 spic_dev.cur_ioport->io1.address_length);
4231 if (spic_dev.cur_ioport->io2.minimum)
4232 release_region(spic_dev.cur_ioport->io2.minimum,
4233 spic_dev.cur_ioport->io2.address_length);
4235 sonypi_compat_exit();
4237 sony_laptop_remove_input();
4240 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4243 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4244 list_del(&io->list);
4247 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4248 list_del(&irq->list);
4251 spic_dev.cur_ioport = NULL;
4252 spic_dev.cur_irq = NULL;
4254 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4258 static int sony_pic_add(struct acpi_device *device)
4261 struct sony_pic_ioport *io, *tmp_io;
4262 struct sony_pic_irq *irq, *tmp_irq;
4264 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4266 spic_dev.acpi_dev = device;
4267 strcpy(acpi_device_class(device), "sony/hotkey");
4268 sony_pic_detect_device_type(&spic_dev);
4269 mutex_init(&spic_dev.lock);
4271 /* read _PRS resources */
4272 result = sony_pic_possible_resources(device);
4274 pr_err("Unable to read possible resources\n");
4275 goto err_free_resources;
4278 /* setup input devices and helper fifo */
4279 result = sony_laptop_setup_input(device);
4281 pr_err("Unable to create input devices\n");
4282 goto err_free_resources;
4285 result = sonypi_compat_init();
4287 goto err_remove_input;
4289 /* request io port */
4290 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4291 if (request_region(io->io1.minimum, io->io1.address_length,
4292 "Sony Programmable I/O Device")) {
4293 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4294 io->io1.minimum, io->io1.maximum,
4295 io->io1.address_length);
4296 /* Type 1 have 2 ioports */
4297 if (io->io2.minimum) {
4298 if (request_region(io->io2.minimum,
4299 io->io2.address_length,
4300 "Sony Programmable I/O Device")) {
4301 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4302 io->io2.minimum, io->io2.maximum,
4303 io->io2.address_length);
4304 spic_dev.cur_ioport = io;
4308 dprintk("Unable to get I/O port2: "
4309 "0x%.4x (0x%.4x) + 0x%.2x\n",
4310 io->io2.minimum, io->io2.maximum,
4311 io->io2.address_length);
4312 release_region(io->io1.minimum,
4313 io->io1.address_length);
4317 spic_dev.cur_ioport = io;
4322 if (!spic_dev.cur_ioport) {
4323 pr_err("Failed to request_region\n");
4325 goto err_remove_compat;
4329 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4330 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4331 0, "sony-laptop", &spic_dev)) {
4332 dprintk("IRQ: %d - triggering: %d - "
4333 "polarity: %d - shr: %d\n",
4334 irq->irq.interrupts[0],
4335 irq->irq.triggering,
4338 spic_dev.cur_irq = irq;
4342 if (!spic_dev.cur_irq) {
4343 pr_err("Failed to request_irq\n");
4345 goto err_release_region;
4348 /* set resource status _SRS */
4349 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4351 pr_err("Couldn't enable device\n");
4355 spic_dev.bluetooth_power = -1;
4356 /* create device attributes */
4357 result = sony_pf_add();
4359 goto err_disable_device;
4361 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4371 sony_pic_disable(device);
4374 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4377 release_region(spic_dev.cur_ioport->io1.minimum,
4378 spic_dev.cur_ioport->io1.address_length);
4379 if (spic_dev.cur_ioport->io2.minimum)
4380 release_region(spic_dev.cur_ioport->io2.minimum,
4381 spic_dev.cur_ioport->io2.address_length);
4384 sonypi_compat_exit();
4387 sony_laptop_remove_input();
4390 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4391 list_del(&io->list);
4394 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4395 list_del(&irq->list);
4398 spic_dev.cur_ioport = NULL;
4399 spic_dev.cur_irq = NULL;
4404 #ifdef CONFIG_PM_SLEEP
4405 static int sony_pic_suspend(struct device *dev)
4407 if (sony_pic_disable(to_acpi_device(dev)))
4412 static int sony_pic_resume(struct device *dev)
4414 sony_pic_enable(to_acpi_device(dev),
4415 spic_dev.cur_ioport, spic_dev.cur_irq);
4420 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4422 static const struct acpi_device_id sony_pic_device_ids[] = {
4427 static struct acpi_driver sony_pic_driver = {
4428 .name = SONY_PIC_DRIVER_NAME,
4429 .class = SONY_PIC_CLASS,
4430 .ids = sony_pic_device_ids,
4431 .owner = THIS_MODULE,
4433 .add = sony_pic_add,
4434 .remove = sony_pic_remove,
4436 .drv.pm = &sony_pic_pm,
4439 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4441 .ident = "Sony Vaio",
4443 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4444 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4448 .ident = "Sony Vaio",
4450 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4451 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4457 static int __init sony_laptop_init(void)
4461 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4462 result = acpi_bus_register_driver(&sony_pic_driver);
4464 pr_err("Unable to register SPIC driver\n");
4467 spic_drv_registered = 1;
4470 result = acpi_bus_register_driver(&sony_nc_driver);
4472 pr_err("Unable to register SNC driver\n");
4473 goto out_unregister_pic;
4479 if (spic_drv_registered)
4480 acpi_bus_unregister_driver(&sony_pic_driver);
4485 static void __exit sony_laptop_exit(void)
4487 acpi_bus_unregister_driver(&sony_nc_driver);
4488 if (spic_drv_registered)
4489 acpi_bus_unregister_driver(&sony_pic_driver);
4492 module_init(sony_laptop_init);
4493 module_exit(sony_laptop_exit);