2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
10 * The SNY6001 driver part is based on the sonypi driver which includes
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
17 * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
47 #include <linux/kernel.h>
48 #include <linux/module.h>
49 #include <linux/moduleparam.h>
50 #include <linux/init.h>
51 #include <linux/types.h>
52 #include <linux/backlight.h>
53 #include <linux/platform_device.h>
54 #include <linux/err.h>
55 #include <linux/dmi.h>
56 #include <linux/pci.h>
57 #include <linux/interrupt.h>
58 #include <linux/delay.h>
59 #include <linux/input.h>
60 #include <linux/kfifo.h>
61 #include <linux/workqueue.h>
62 #include <linux/acpi.h>
63 #include <linux/slab.h>
64 #include <acpi/acpi_drivers.h>
65 #include <acpi/acpi_bus.h>
66 #include <asm/uaccess.h>
67 #include <linux/sonypi.h>
68 #include <linux/sony-laptop.h>
69 #include <linux/rfkill.h>
70 #ifdef CONFIG_SONYPI_COMPAT
71 #include <linux/poll.h>
72 #include <linux/miscdevice.h>
75 #define dprintk(fmt, ...) \
78 pr_warn(fmt, ##__VA_ARGS__); \
81 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
83 #define SONY_NC_CLASS "sony-nc"
84 #define SONY_NC_HID "SNY5001"
85 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
87 #define SONY_PIC_CLASS "sony-pic"
88 #define SONY_PIC_HID "SNY6001"
89 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
91 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
92 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
93 MODULE_LICENSE("GPL");
94 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
97 module_param(debug, int, 0);
98 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
99 "the development of this driver");
101 static int no_spic; /* = 0 */
102 module_param(no_spic, int, 0444);
103 MODULE_PARM_DESC(no_spic,
104 "set this if you don't want to enable the SPIC device");
106 static int compat; /* = 0 */
107 module_param(compat, int, 0444);
108 MODULE_PARM_DESC(compat,
109 "set this if you want to enable backward compatibility mode");
111 static unsigned long mask = 0xffffffff;
112 module_param(mask, ulong, 0644);
113 MODULE_PARM_DESC(mask,
114 "set this to the mask of event you want to enable (see doc)");
116 static int camera; /* = 0 */
117 module_param(camera, int, 0444);
118 MODULE_PARM_DESC(camera,
119 "set this to 1 to enable Motion Eye camera controls "
120 "(only use it if you have a C1VE or C1VN model)");
122 #ifdef CONFIG_SONYPI_COMPAT
123 static int minor = -1;
124 module_param(minor, int, 0);
125 MODULE_PARM_DESC(minor,
126 "minor number of the misc device for the SPIC compatibility code, "
127 "default is -1 (automatic)");
130 static int kbd_backlight = 1;
131 module_param(kbd_backlight, int, 0444);
132 MODULE_PARM_DESC(kbd_backlight,
133 "set this to 0 to disable keyboard backlight, "
134 "1 to enable it (default: 0)");
136 static int kbd_backlight_timeout; /* = 0 */
137 module_param(kbd_backlight_timeout, int, 0444);
138 MODULE_PARM_DESC(kbd_backlight_timeout,
139 "set this to 0 to set the default 10 seconds timeout, "
140 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
143 #ifdef CONFIG_PM_SLEEP
144 static void sony_nc_kbd_backlight_resume(void);
145 static void sony_nc_thermal_resume(void);
147 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
148 unsigned int handle);
149 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
151 static int sony_nc_battery_care_setup(struct platform_device *pd,
152 unsigned int handle);
153 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
155 static int sony_nc_thermal_setup(struct platform_device *pd);
156 static void sony_nc_thermal_cleanup(struct platform_device *pd);
158 static int sony_nc_lid_resume_setup(struct platform_device *pd);
159 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
161 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
162 unsigned int handle);
163 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
164 static int __sony_nc_gfx_switch_status_get(void);
166 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
167 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
169 static int sony_nc_touchpad_setup(struct platform_device *pd,
170 unsigned int handle);
171 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
173 enum sony_nc_rfkill {
181 static int sony_rfkill_handle;
182 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
183 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
184 static int sony_nc_rfkill_setup(struct acpi_device *device,
185 unsigned int handle);
186 static void sony_nc_rfkill_cleanup(void);
187 static void sony_nc_rfkill_update(void);
189 /*********** Input Devices ***********/
191 #define SONY_LAPTOP_BUF_SIZE 128
192 struct sony_laptop_input_s {
194 struct input_dev *jog_dev;
195 struct input_dev *key_dev;
197 spinlock_t fifo_lock;
198 struct timer_list release_key_timer;
201 static struct sony_laptop_input_s sony_laptop_input = {
202 .users = ATOMIC_INIT(0),
205 struct sony_laptop_keypress {
206 struct input_dev *dev;
210 /* Correspondance table between sonypi events
211 * and input layer indexes in the keymap
213 static int sony_laptop_input_index[] = {
215 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
216 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
217 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
218 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
219 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
220 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
221 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
222 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
223 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
224 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
225 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
226 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
227 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
228 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
229 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
230 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
231 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
232 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
233 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
234 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
235 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
236 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
237 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
238 17, /* 24 SONYPI_EVENT_FNKEY_1 */
239 18, /* 25 SONYPI_EVENT_FNKEY_2 */
240 19, /* 26 SONYPI_EVENT_FNKEY_D */
241 20, /* 27 SONYPI_EVENT_FNKEY_E */
242 21, /* 28 SONYPI_EVENT_FNKEY_F */
243 22, /* 29 SONYPI_EVENT_FNKEY_S */
244 23, /* 30 SONYPI_EVENT_FNKEY_B */
245 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
246 25, /* 32 SONYPI_EVENT_PKEY_P1 */
247 26, /* 33 SONYPI_EVENT_PKEY_P2 */
248 27, /* 34 SONYPI_EVENT_PKEY_P3 */
249 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
250 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
251 -1, /* 37 SONYPI_EVENT_LID_OPENED */
252 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
253 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
254 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
255 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
256 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
257 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
258 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
259 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
260 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
261 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
262 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
263 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
264 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
265 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
266 43, /* 52 SONYPI_EVENT_MEYE_FACE */
267 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
268 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
269 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
270 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
271 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
272 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
273 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
274 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
275 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
276 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
277 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
278 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
279 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
280 53, /* 66 SONYPI_EVENT_PKEY_P4 */
281 54, /* 67 SONYPI_EVENT_PKEY_P5 */
282 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
283 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
284 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
285 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
286 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
287 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
290 static int sony_laptop_input_keycode_map[] = {
291 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
292 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
293 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
294 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
295 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
296 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
297 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
298 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
299 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
300 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
301 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
302 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
303 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
304 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
305 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
306 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
307 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
308 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
309 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
310 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
311 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
312 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
313 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
314 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
315 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
316 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
317 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
318 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
319 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
320 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
321 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
322 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
323 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
324 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
325 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
326 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
327 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
328 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
329 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
330 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
331 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
332 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
333 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
334 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
335 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
336 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
337 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
338 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
339 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
340 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
341 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
342 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
343 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
344 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
345 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
346 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
347 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
348 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
349 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
350 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
353 /* release buttons after a short delay if pressed */
354 static void do_sony_laptop_release_key(unsigned long unused)
356 struct sony_laptop_keypress kp;
359 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
361 if (kfifo_out(&sony_laptop_input.fifo,
362 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
363 input_report_key(kp.dev, kp.key, 0);
367 /* If there is something in the fifo schedule next release. */
368 if (kfifo_len(&sony_laptop_input.fifo) != 0)
369 mod_timer(&sony_laptop_input.release_key_timer,
370 jiffies + msecs_to_jiffies(10));
372 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
375 /* forward event to the input subsystem */
376 static void sony_laptop_report_input_event(u8 event)
378 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
379 struct input_dev *key_dev = sony_laptop_input.key_dev;
380 struct sony_laptop_keypress kp = { NULL };
383 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
384 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
385 /* Nothing, not all VAIOs generate this event */
392 case SONYPI_EVENT_JOGDIAL_UP:
393 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
394 input_report_rel(jog_dev, REL_WHEEL, 1);
398 case SONYPI_EVENT_JOGDIAL_DOWN:
399 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
400 input_report_rel(jog_dev, REL_WHEEL, -1);
405 case SONYPI_EVENT_JOGDIAL_PRESSED:
411 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
412 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
415 if ((scancode = sony_laptop_input_index[event]) != -1) {
416 kp.key = sony_laptop_input_keycode_map[scancode];
417 if (kp.key != KEY_UNKNOWN)
424 /* if we have a scancode we emit it so we can always
427 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
428 input_report_key(kp.dev, kp.key, 1);
431 /* schedule key release */
432 kfifo_in_locked(&sony_laptop_input.fifo,
433 (unsigned char *)&kp, sizeof(kp),
434 &sony_laptop_input.fifo_lock);
435 mod_timer(&sony_laptop_input.release_key_timer,
436 jiffies + msecs_to_jiffies(10));
438 dprintk("unknown input event %.2x\n", event);
441 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
443 struct input_dev *jog_dev;
444 struct input_dev *key_dev;
448 /* don't run again if already initialized */
449 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
453 spin_lock_init(&sony_laptop_input.fifo_lock);
454 error = kfifo_alloc(&sony_laptop_input.fifo,
455 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
457 pr_err("kfifo_alloc failed\n");
461 setup_timer(&sony_laptop_input.release_key_timer,
462 do_sony_laptop_release_key, 0);
465 key_dev = input_allocate_device();
471 key_dev->name = "Sony Vaio Keys";
472 key_dev->id.bustype = BUS_ISA;
473 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
474 key_dev->dev.parent = &acpi_device->dev;
476 /* Initialize the Input Drivers: special keys */
477 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
479 __set_bit(EV_KEY, key_dev->evbit);
480 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
481 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
482 key_dev->keycode = &sony_laptop_input_keycode_map;
483 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
484 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
485 __clear_bit(KEY_RESERVED, key_dev->keybit);
487 error = input_register_device(key_dev);
489 goto err_free_keydev;
491 sony_laptop_input.key_dev = key_dev;
494 jog_dev = input_allocate_device();
497 goto err_unregister_keydev;
500 jog_dev->name = "Sony Vaio Jogdial";
501 jog_dev->id.bustype = BUS_ISA;
502 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
503 jog_dev->dev.parent = &acpi_device->dev;
505 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
506 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
508 error = input_register_device(jog_dev);
510 goto err_free_jogdev;
512 sony_laptop_input.jog_dev = jog_dev;
517 input_free_device(jog_dev);
519 err_unregister_keydev:
520 input_unregister_device(key_dev);
521 /* to avoid kref underflow below at input_free_device */
525 input_free_device(key_dev);
528 kfifo_free(&sony_laptop_input.fifo);
531 atomic_dec(&sony_laptop_input.users);
535 static void sony_laptop_remove_input(void)
537 struct sony_laptop_keypress kp = { NULL };
539 /* Cleanup only after the last user has gone */
540 if (!atomic_dec_and_test(&sony_laptop_input.users))
543 del_timer_sync(&sony_laptop_input.release_key_timer);
546 * Generate key-up events for remaining keys. Note that we don't
547 * need locking since nobody is adding new events to the kfifo.
549 while (kfifo_out(&sony_laptop_input.fifo,
550 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
551 input_report_key(kp.dev, kp.key, 0);
555 /* destroy input devs */
556 input_unregister_device(sony_laptop_input.key_dev);
557 sony_laptop_input.key_dev = NULL;
559 if (sony_laptop_input.jog_dev) {
560 input_unregister_device(sony_laptop_input.jog_dev);
561 sony_laptop_input.jog_dev = NULL;
564 kfifo_free(&sony_laptop_input.fifo);
567 /*********** Platform Device ***********/
569 static atomic_t sony_pf_users = ATOMIC_INIT(0);
570 static struct platform_driver sony_pf_driver = {
572 .name = "sony-laptop",
573 .owner = THIS_MODULE,
576 static struct platform_device *sony_pf_device;
578 static int sony_pf_add(void)
582 /* don't run again if already initialized */
583 if (atomic_add_return(1, &sony_pf_users) > 1)
586 ret = platform_driver_register(&sony_pf_driver);
590 sony_pf_device = platform_device_alloc("sony-laptop", -1);
591 if (!sony_pf_device) {
593 goto out_platform_registered;
596 ret = platform_device_add(sony_pf_device);
598 goto out_platform_alloced;
602 out_platform_alloced:
603 platform_device_put(sony_pf_device);
604 sony_pf_device = NULL;
605 out_platform_registered:
606 platform_driver_unregister(&sony_pf_driver);
608 atomic_dec(&sony_pf_users);
612 static void sony_pf_remove(void)
614 /* deregister only after the last user has gone */
615 if (!atomic_dec_and_test(&sony_pf_users))
618 platform_device_unregister(sony_pf_device);
619 platform_driver_unregister(&sony_pf_driver);
622 /*********** SNC (SNY5001) Device ***********/
624 /* the device uses 1-based values, while the backlight subsystem uses
626 #define SONY_MAX_BRIGHTNESS 8
628 #define SNC_VALIDATE_IN 0
629 #define SNC_VALIDATE_OUT 1
631 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
633 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
634 const char *, size_t);
635 static int boolean_validate(const int, const int);
636 static int brightness_default_validate(const int, const int);
638 struct sony_nc_value {
639 char *name; /* name of the entry */
640 char **acpiget; /* names of the ACPI get function */
641 char **acpiset; /* names of the ACPI set function */
642 int (*validate)(const int, const int); /* input/output validation */
643 int value; /* current setting */
644 int valid; /* Has ever been set */
645 int debug; /* active only in debug mode ? */
646 struct device_attribute devattr; /* sysfs attribute */
649 #define SNC_HANDLE_NAMES(_name, _values...) \
650 static char *snc_##_name[] = { _values, NULL }
652 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
654 .name = __stringify(_name), \
655 .acpiget = _getters, \
656 .acpiset = _setters, \
657 .validate = _validate, \
659 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
662 #define SNC_HANDLE_NULL { .name = NULL }
664 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
666 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
667 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
669 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
670 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
672 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
673 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
675 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
676 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
678 SNC_HANDLE_NAMES(lidstate_get, "GLID");
680 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
681 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
683 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
684 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
686 SNC_HANDLE_NAMES(PID_get, "GPID");
688 SNC_HANDLE_NAMES(CTR_get, "GCTR");
689 SNC_HANDLE_NAMES(CTR_set, "SCTR");
691 SNC_HANDLE_NAMES(PCR_get, "GPCR");
692 SNC_HANDLE_NAMES(PCR_set, "SPCR");
694 SNC_HANDLE_NAMES(CMI_get, "GCMI");
695 SNC_HANDLE_NAMES(CMI_set, "SCMI");
697 static struct sony_nc_value sony_nc_values[] = {
698 SNC_HANDLE(brightness_default, snc_brightness_def_get,
699 snc_brightness_def_set, brightness_default_validate, 0),
700 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
701 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
702 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
703 boolean_validate, 0),
704 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
705 boolean_validate, 1),
706 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
707 boolean_validate, 0),
708 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
709 boolean_validate, 0),
710 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
711 boolean_validate, 0),
712 /* unknown methods */
713 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
714 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
715 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
716 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
720 static acpi_handle sony_nc_acpi_handle;
721 static struct acpi_device *sony_nc_acpi_device = NULL;
724 * acpi_evaluate_object wrappers
725 * all useful calls into SNC methods take one or zero parameters and return
726 * integers or arrays.
728 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
731 union acpi_object *result = NULL;
732 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
736 struct acpi_object_list params;
737 union acpi_object in;
738 in.type = ACPI_TYPE_INTEGER;
739 in.integer.value = *value;
741 params.pointer = ∈
742 status = acpi_evaluate_object(handle, method, ¶ms, &output);
743 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
744 (unsigned int)(*value >> 32),
745 (unsigned int)*value & 0xffffffff);
747 status = acpi_evaluate_object(handle, method, NULL, &output);
748 dprintk("__call_snc_method: [%s]\n", method);
751 if (ACPI_FAILURE(status)) {
752 pr_err("Failed to evaluate [%s]\n", method);
756 result = (union acpi_object *) output.pointer;
758 dprintk("No return object [%s]\n", method);
763 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
766 union acpi_object *object = NULL;
769 object = __call_snc_method(handle, name, &v);
771 object = __call_snc_method(handle, name, NULL);
776 if (object->type != ACPI_TYPE_INTEGER) {
777 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
778 ACPI_TYPE_INTEGER, object->type);
784 *result = object->integer.value;
790 #define MIN(a, b) (a > b ? b : a)
791 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
792 void *buffer, size_t buflen)
796 union acpi_object *object = __call_snc_method(handle, name, value);
801 if (object->type == ACPI_TYPE_BUFFER) {
802 len = MIN(buflen, object->buffer.length);
803 memcpy(buffer, object->buffer.pointer, len);
805 } else if (object->type == ACPI_TYPE_INTEGER) {
806 len = MIN(buflen, sizeof(object->integer.value));
807 memcpy(buffer, &object->integer.value, len);
810 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
811 ACPI_TYPE_BUFFER, object->type);
819 struct sony_nc_handles {
821 struct device_attribute devattr;
824 static struct sony_nc_handles *handles;
826 static ssize_t sony_nc_handles_show(struct device *dev,
827 struct device_attribute *attr, char *buffer)
832 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
833 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
836 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
841 static int sony_nc_handles_setup(struct platform_device *pd)
843 int i, r, result, arg;
845 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
849 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
851 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
854 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
856 handles->cap[i] = result;
861 sysfs_attr_init(&handles->devattr.attr);
862 handles->devattr.attr.name = "handles";
863 handles->devattr.attr.mode = S_IRUGO;
864 handles->devattr.show = sony_nc_handles_show;
866 /* allow reading capabilities via sysfs */
867 if (device_create_file(&pd->dev, &handles->devattr)) {
877 static int sony_nc_handles_cleanup(struct platform_device *pd)
881 device_remove_file(&pd->dev, &handles->devattr);
888 static int sony_find_snc_handle(int handle)
892 /* not initialized yet, return early */
893 if (!handles || !handle)
896 for (i = 0; i < 0x10; i++) {
897 if (handles->cap[i] == handle) {
898 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
903 dprintk("handle 0x%.4x not found\n", handle);
907 static int sony_call_snc_handle(int handle, int argument, int *result)
910 int offset = sony_find_snc_handle(handle);
915 arg = offset | argument;
916 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
917 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
922 * sony_nc_values input/output validate functions
925 /* brightness_default_validate:
927 * manipulate input output values to keep consistency with the
928 * backlight framework for which brightness values are 0-based.
930 static int brightness_default_validate(const int direction, const int value)
933 case SNC_VALIDATE_OUT:
935 case SNC_VALIDATE_IN:
936 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
944 * on input validate boolean values 0/1, on output just pass the
947 static int boolean_validate(const int direction, const int value)
949 if (direction == SNC_VALIDATE_IN) {
950 if (value != 0 && value != 1)
957 * Sysfs show/store common to all sony_nc_values
959 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
963 struct sony_nc_value *item =
964 container_of(attr, struct sony_nc_value, devattr);
969 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
975 value = item->validate(SNC_VALIDATE_OUT, value);
977 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
980 static ssize_t sony_nc_sysfs_store(struct device *dev,
981 struct device_attribute *attr,
982 const char *buffer, size_t count)
986 struct sony_nc_value *item =
987 container_of(attr, struct sony_nc_value, devattr);
995 if (kstrtoint(buffer, 10, &value))
999 value = item->validate(SNC_VALIDATE_IN, value);
1004 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1009 item->value = value;
1018 struct sony_backlight_props {
1019 struct backlight_device *dev;
1025 struct sony_backlight_props sony_bl_props;
1027 static int sony_backlight_update_status(struct backlight_device *bd)
1029 int arg = bd->props.brightness + 1;
1030 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1033 static int sony_backlight_get_brightness(struct backlight_device *bd)
1037 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1039 /* brightness levels are 1-based, while backlight ones are 0-based */
1043 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1046 struct sony_backlight_props *sdev =
1047 (struct sony_backlight_props *)bl_get_data(bd);
1049 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1051 return (result & 0xff) - sdev->offset;
1054 static int sony_nc_update_status_ng(struct backlight_device *bd)
1057 struct sony_backlight_props *sdev =
1058 (struct sony_backlight_props *)bl_get_data(bd);
1060 value = bd->props.brightness + sdev->offset;
1061 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1068 static const struct backlight_ops sony_backlight_ops = {
1069 .options = BL_CORE_SUSPENDRESUME,
1070 .update_status = sony_backlight_update_status,
1071 .get_brightness = sony_backlight_get_brightness,
1073 static const struct backlight_ops sony_backlight_ng_ops = {
1074 .options = BL_CORE_SUSPENDRESUME,
1075 .update_status = sony_nc_update_status_ng,
1076 .get_brightness = sony_nc_get_brightness_ng,
1080 * New SNC-only Vaios event mapping to driver known keys
1082 struct sony_nc_event {
1087 static struct sony_nc_event sony_100_events[] = {
1088 { 0x90, SONYPI_EVENT_PKEY_P1 },
1089 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1090 { 0x91, SONYPI_EVENT_PKEY_P2 },
1091 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1092 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1093 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1094 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1095 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1096 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1097 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1098 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1099 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1100 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1101 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1102 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1103 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1104 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1105 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1106 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1107 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1108 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1109 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1110 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1111 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1112 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1113 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1114 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1115 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1116 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1117 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1118 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1119 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1120 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1121 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1122 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1123 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1124 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1125 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1126 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1127 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 static struct sony_nc_event sony_127_events[] = {
1132 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1133 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1134 { 0x82, SONYPI_EVENT_PKEY_P1 },
1135 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1136 { 0x83, SONYPI_EVENT_PKEY_P2 },
1137 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1138 { 0x84, SONYPI_EVENT_PKEY_P3 },
1139 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1140 { 0x85, SONYPI_EVENT_PKEY_P4 },
1141 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1142 { 0x86, SONYPI_EVENT_PKEY_P5 },
1143 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1144 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1145 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1149 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1152 unsigned int result = 0;
1153 struct sony_nc_event *key_event;
1155 if (sony_call_snc_handle(handle, 0x200, &result)) {
1156 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1163 if (handle == 0x0100)
1164 key_event = sony_100_events;
1166 key_event = sony_127_events;
1168 for (; key_event->data; key_event++) {
1169 if (key_event->data == result) {
1170 ret = key_event->event;
1175 if (!key_event->data)
1176 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1177 event, result, handle);
1190 static void sony_nc_notify(struct acpi_device *device, u32 event)
1192 u32 real_ev = event;
1194 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1196 if (event >= 0x90) {
1197 unsigned int result = 0;
1198 unsigned int arg = 0;
1199 unsigned int handle = 0;
1200 unsigned int offset = event - 0x90;
1202 if (offset >= ARRAY_SIZE(handles->cap)) {
1203 pr_err("Event 0x%x outside of capabilities list\n",
1207 handle = handles->cap[offset];
1209 /* list of handles known for generating events */
1215 real_ev = sony_nc_hotkeys_decode(event, handle);
1218 sony_laptop_report_input_event(real_ev);
1220 /* restore the original event for reporting */
1228 /* events on this handle are reported when the
1229 * switch changes position or for battery
1230 * events. We'll notify both of them but only
1231 * update the rfkill device status when the
1234 ev_type = KILLSWITCH;
1235 sony_call_snc_handle(handle, 0x0100, &result);
1236 real_ev = result & 0x03;
1238 /* hw switch event */
1240 sony_nc_rfkill_update();
1246 /* Hybrid GFX switching */
1247 sony_call_snc_handle(handle, 0x0000, &result);
1248 dprintk("GFX switch event received (reason: %s)\n",
1249 (result == 0x1) ? "switch change" :
1250 (result == 0x2) ? "output switch" :
1251 (result == 0x3) ? "output switch" :
1254 ev_type = GFX_SWITCH;
1255 real_ev = __sony_nc_gfx_switch_status_get();
1259 dprintk("Unknown event 0x%x for handle 0x%x\n",
1264 /* clear the event (and the event reason when present) */
1266 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1269 /* old style event */
1271 sony_laptop_report_input_event(real_ev);
1274 acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev);
1276 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1277 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1280 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1281 void *context, void **return_value)
1283 struct acpi_device_info *info;
1285 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1286 pr_warn("method: name: %4.4s, args %X\n",
1287 (char *)&info->name, info->param_count);
1298 static void sony_nc_function_setup(struct acpi_device *device,
1299 struct platform_device *pf_device)
1301 unsigned int i, result, bitmask, arg;
1306 /* setup found handles here */
1307 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1308 unsigned int handle = handles->cap[i];
1313 dprintk("setting up handle 0x%.4x\n", handle);
1320 sony_call_snc_handle(handle, 0, &result);
1324 sony_call_snc_handle(handle, 0x100, &result);
1328 /* touchpad enable/disable */
1329 result = sony_nc_touchpad_setup(pf_device, handle);
1331 pr_err("couldn't set up touchpad control function (%d)\n",
1337 result = sony_nc_battery_care_setup(pf_device, handle);
1339 pr_err("couldn't set up battery care function (%d)\n",
1343 result = sony_nc_lid_resume_setup(pf_device);
1345 pr_err("couldn't set up lid resume function (%d)\n",
1349 result = sony_nc_thermal_setup(pf_device);
1351 pr_err("couldn't set up thermal profile function (%d)\n",
1356 result = sony_nc_gfx_switch_setup(pf_device, handle);
1358 pr_err("couldn't set up GFX Switch status (%d)\n",
1362 result = sony_nc_highspeed_charging_setup(pf_device);
1364 pr_err("couldn't set up high speed charging function (%d)\n",
1369 result = sony_nc_rfkill_setup(device, handle);
1371 pr_err("couldn't set up rfkill support (%d)\n",
1378 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1380 pr_err("couldn't set up keyboard backlight function (%d)\n",
1388 /* Enable all events */
1390 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1391 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1395 static void sony_nc_function_cleanup(struct platform_device *pd)
1397 unsigned int i, result, bitmask, handle;
1399 /* get enabled events and disable them */
1400 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1401 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1403 /* cleanup handles here */
1404 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1406 handle = handles->cap[i];
1414 sony_nc_touchpad_cleanup(pd);
1419 sony_nc_battery_care_cleanup(pd);
1422 sony_nc_lid_resume_cleanup(pd);
1425 sony_nc_thermal_cleanup(pd);
1429 sony_nc_gfx_switch_cleanup(pd);
1432 sony_nc_highspeed_charging_cleanup(pd);
1436 sony_nc_rfkill_cleanup();
1442 sony_nc_kbd_backlight_cleanup(pd);
1449 /* finally cleanup the handles list */
1450 sony_nc_handles_cleanup(pd);
1453 #ifdef CONFIG_PM_SLEEP
1454 static void sony_nc_function_resume(void)
1456 unsigned int i, result, bitmask, arg;
1458 dprintk("Resuming SNC device\n");
1460 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1461 unsigned int handle = handles->cap[i];
1470 /* re-enable hotkeys */
1471 sony_call_snc_handle(handle, 0, &result);
1474 /* re-enable hotkeys */
1475 sony_call_snc_handle(handle, 0x100, &result);
1478 sony_nc_thermal_resume();
1482 sony_nc_rfkill_update();
1488 sony_nc_kbd_backlight_resume();
1495 /* Enable all events */
1497 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1498 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1502 static int sony_nc_resume(struct device *dev)
1504 struct sony_nc_value *item;
1507 for (item = sony_nc_values; item->name; item++) {
1512 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1513 &item->value, NULL);
1515 pr_err("%s: %d\n", __func__, ret);
1520 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1523 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1524 dprintk("ECON Method failed\n");
1527 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1529 sony_nc_function_resume();
1535 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1537 static void sony_nc_rfkill_cleanup(void)
1541 for (i = 0; i < N_SONY_RFKILL; i++) {
1542 if (sony_rfkill_devices[i]) {
1543 rfkill_unregister(sony_rfkill_devices[i]);
1544 rfkill_destroy(sony_rfkill_devices[i]);
1549 static int sony_nc_rfkill_set(void *data, bool blocked)
1552 int argument = sony_rfkill_address[(long) data] + 0x100;
1555 argument |= 0x070000;
1557 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1560 static const struct rfkill_ops sony_rfkill_ops = {
1561 .set_block = sony_nc_rfkill_set,
1564 static int sony_nc_setup_rfkill(struct acpi_device *device,
1565 enum sony_nc_rfkill nc_type)
1569 enum rfkill_type type;
1572 bool hwblock, swblock;
1576 type = RFKILL_TYPE_WLAN;
1579 case SONY_BLUETOOTH:
1580 type = RFKILL_TYPE_BLUETOOTH;
1581 name = "sony-bluetooth";
1584 type = RFKILL_TYPE_WWAN;
1588 type = RFKILL_TYPE_WIMAX;
1589 name = "sony-wimax";
1595 rfk = rfkill_alloc(name, &device->dev, type,
1596 &sony_rfkill_ops, (void *)nc_type);
1600 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1601 rfkill_destroy(rfk);
1604 hwblock = !(result & 0x1);
1606 if (sony_call_snc_handle(sony_rfkill_handle,
1607 sony_rfkill_address[nc_type],
1609 rfkill_destroy(rfk);
1612 swblock = !(result & 0x2);
1614 rfkill_init_sw_state(rfk, swblock);
1615 rfkill_set_hw_state(rfk, hwblock);
1617 err = rfkill_register(rfk);
1619 rfkill_destroy(rfk);
1622 sony_rfkill_devices[nc_type] = rfk;
1626 static void sony_nc_rfkill_update(void)
1628 enum sony_nc_rfkill i;
1632 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1633 hwblock = !(result & 0x1);
1635 for (i = 0; i < N_SONY_RFKILL; i++) {
1636 int argument = sony_rfkill_address[i];
1638 if (!sony_rfkill_devices[i])
1642 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1643 /* we already know we're blocked */
1648 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1649 rfkill_set_states(sony_rfkill_devices[i],
1650 !(result & 0x2), false);
1654 static int sony_nc_rfkill_setup(struct acpi_device *device,
1655 unsigned int handle)
1659 unsigned char buffer[32] = { 0 };
1661 offset = sony_find_snc_handle(handle);
1662 sony_rfkill_handle = handle;
1664 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1669 /* The buffer is filled with magic numbers describing the devices
1670 * available, 0xff terminates the enumeration.
1674 * 0x20 WWAN GPRS-EDGE
1678 * 0x25 Gobi WWAN no GPS
1679 * 0x26 Gobi WWAN + GPS
1680 * 0x28 Gobi WWAN no GPS
1681 * 0x29 Gobi WWAN + GPS
1683 * 0x50 Gobi WWAN no GPS
1684 * 0x51 Gobi WWAN + GPS
1685 * 0x70 no SIM card slot
1686 * 0x71 SIM card slot
1688 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1690 if (buffer[i] == 0xff)
1693 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1695 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1696 sony_nc_setup_rfkill(device, SONY_WIFI);
1698 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1699 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1701 if (((0xf0 & buffer[i]) == 0x20 ||
1702 (0xf0 & buffer[i]) == 0x50) &&
1703 !sony_rfkill_devices[SONY_WWAN])
1704 sony_nc_setup_rfkill(device, SONY_WWAN);
1706 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1707 sony_nc_setup_rfkill(device, SONY_WIMAX);
1712 /* Keyboard backlight feature */
1713 struct kbd_backlight {
1714 unsigned int handle;
1717 unsigned int timeout;
1718 struct device_attribute mode_attr;
1719 struct device_attribute timeout_attr;
1722 static struct kbd_backlight *kbdbl_ctl;
1724 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1731 if (sony_call_snc_handle(kbdbl_ctl->handle,
1732 (value << 0x10) | (kbdbl_ctl->base), &result))
1735 /* Try to turn the light on/off immediately */
1736 sony_call_snc_handle(kbdbl_ctl->handle,
1737 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1739 kbdbl_ctl->mode = value;
1744 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1745 struct device_attribute *attr,
1746 const char *buffer, size_t count)
1749 unsigned long value;
1754 if (kstrtoul(buffer, 10, &value))
1757 ret = __sony_nc_kbd_backlight_mode_set(value);
1764 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1765 struct device_attribute *attr, char *buffer)
1768 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1772 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1779 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1780 (kbdbl_ctl->base + 0x200), &result))
1783 kbdbl_ctl->timeout = value;
1788 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1789 struct device_attribute *attr,
1790 const char *buffer, size_t count)
1793 unsigned long value;
1798 if (kstrtoul(buffer, 10, &value))
1801 ret = __sony_nc_kbd_backlight_timeout_set(value);
1808 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1809 struct device_attribute *attr, char *buffer)
1812 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1816 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1817 unsigned int handle)
1822 /* verify the kbd backlight presence, these handles are not used for
1823 * keyboard backlight only
1825 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1830 if ((handle == 0x0137 && !(result & 0x02)) ||
1832 dprintk("no backlight keyboard found\n");
1836 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1840 kbdbl_ctl->handle = handle;
1841 if (handle == 0x0137)
1842 kbdbl_ctl->base = 0x0C00;
1844 kbdbl_ctl->base = 0x4000;
1846 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1847 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1848 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1849 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1850 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1852 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1853 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1854 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1855 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1856 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1858 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1862 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1866 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1867 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1872 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1879 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1884 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1885 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1887 /* restore the default hw behaviour */
1888 sony_call_snc_handle(kbdbl_ctl->handle,
1889 kbdbl_ctl->base | 0x10000, &result);
1890 sony_call_snc_handle(kbdbl_ctl->handle,
1891 kbdbl_ctl->base + 0x200, &result);
1898 #ifdef CONFIG_PM_SLEEP
1899 static void sony_nc_kbd_backlight_resume(void)
1906 if (kbdbl_ctl->mode == 0)
1907 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1910 if (kbdbl_ctl->timeout != 0)
1911 sony_call_snc_handle(kbdbl_ctl->handle,
1912 (kbdbl_ctl->base + 0x200) |
1913 (kbdbl_ctl->timeout << 0x10), &ignore);
1917 struct battery_care_control {
1918 struct device_attribute attrs[2];
1919 unsigned int handle;
1921 static struct battery_care_control *bcare_ctl;
1923 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1924 struct device_attribute *attr,
1925 const char *buffer, size_t count)
1927 unsigned int result, cmd;
1928 unsigned long value;
1933 if (kstrtoul(buffer, 10, &value))
1936 /* limit values (2 bits):
1942 * bit 0: 0 disable BCL, 1 enable BCL
1943 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1944 * bits 2,3: reserved
1945 * bits 4,5: store the limit into the EC
1946 * bits 6,7: store the limit into the battery
1954 else if (value <= 80)
1957 else if (value <= 100)
1964 * handle 0x0115 should allow storing on battery too;
1965 * handle 0x0136 same as 0x0115 + health status;
1966 * handle 0x013f, same as 0x0136 but no storing on the battery
1968 if (bcare_ctl->handle != 0x013f)
1969 cmd = cmd | (cmd << 2);
1971 cmd = (cmd | 0x1) << 0x10;
1974 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1980 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1981 struct device_attribute *attr, char *buffer)
1983 unsigned int result, status;
1985 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1988 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2004 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2007 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2008 struct device_attribute *attr, char *buffer)
2011 unsigned int health;
2013 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2016 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2021 static int sony_nc_battery_care_setup(struct platform_device *pd,
2022 unsigned int handle)
2026 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2030 bcare_ctl->handle = handle;
2032 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2033 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2034 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2035 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2036 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2038 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2042 /* 0x0115 is for models with no health reporting capability */
2043 if (handle == 0x0115)
2046 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2047 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2048 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2049 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2051 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2058 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2067 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2070 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2071 if (bcare_ctl->handle != 0x0115)
2072 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2079 struct snc_thermal_ctrl {
2081 unsigned int profiles;
2082 struct device_attribute mode_attr;
2083 struct device_attribute profiles_attr;
2085 static struct snc_thermal_ctrl *th_handle;
2087 #define THM_PROFILE_MAX 3
2088 static const char * const snc_thermal_profiles[] = {
2094 static int sony_nc_thermal_mode_set(unsigned short mode)
2096 unsigned int result;
2098 /* the thermal profile seems to be a two bit bitmask:
2100 * msb -> performance
2101 * no bit set is the normal operation and is always valid
2102 * Some vaio models only have "balanced" and "performance"
2104 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2107 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2110 th_handle->mode = mode;
2115 static int sony_nc_thermal_mode_get(void)
2117 unsigned int result;
2119 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2122 return result & 0xff;
2125 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2126 struct device_attribute *attr, char *buffer)
2131 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2132 if (!cnt || (th_handle->profiles & cnt))
2133 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2134 snc_thermal_profiles[cnt]);
2136 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2141 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2142 struct device_attribute *attr,
2143 const char *buffer, size_t count)
2151 /* skip the newline if present */
2152 if (buffer[len - 1] == '\n')
2155 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2156 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2159 if (sony_nc_thermal_mode_set(cmd))
2165 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2166 struct device_attribute *attr, char *buffer)
2169 int mode = sony_nc_thermal_mode_get();
2174 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2179 static int sony_nc_thermal_setup(struct platform_device *pd)
2182 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2186 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2188 pr_warn("couldn't to read the thermal profiles\n");
2192 ret = sony_nc_thermal_mode_get();
2194 pr_warn("couldn't to read the current thermal profile");
2197 th_handle->mode = ret;
2199 sysfs_attr_init(&th_handle->profiles_attr.attr);
2200 th_handle->profiles_attr.attr.name = "thermal_profiles";
2201 th_handle->profiles_attr.attr.mode = S_IRUGO;
2202 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2204 sysfs_attr_init(&th_handle->mode_attr.attr);
2205 th_handle->mode_attr.attr.name = "thermal_control";
2206 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2207 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2208 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2210 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2214 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2221 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2228 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2231 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2232 device_remove_file(&pd->dev, &th_handle->mode_attr);
2238 #ifdef CONFIG_PM_SLEEP
2239 static void sony_nc_thermal_resume(void)
2241 unsigned int status = sony_nc_thermal_mode_get();
2243 if (status != th_handle->mode)
2244 sony_nc_thermal_mode_set(th_handle->mode);
2248 /* resume on LID open */
2249 struct snc_lid_resume_control {
2250 struct device_attribute attrs[3];
2251 unsigned int status;
2253 static struct snc_lid_resume_control *lid_ctl;
2255 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2256 struct device_attribute *attr,
2257 const char *buffer, size_t count)
2259 unsigned int result, pos;
2260 unsigned long value;
2264 if (kstrtoul(buffer, 10, &value) || value > 1)
2267 /* the value we have to write to SNC is a bitmask:
2273 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2275 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2277 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2283 value = lid_ctl->status | (1 << pos);
2285 value = lid_ctl->status & ~(1 << pos);
2287 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2290 lid_ctl->status = value;
2295 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2296 struct device_attribute *attr, char *buffer)
2300 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2302 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2304 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2309 return snprintf(buffer, PAGE_SIZE, "%d\n",
2310 (lid_ctl->status >> pos) & 0x01);
2313 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2315 unsigned int result;
2318 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2321 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2325 lid_ctl->status = result & 0x7;
2327 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2328 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2329 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2330 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2331 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2333 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2334 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2335 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2336 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2337 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2339 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2340 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2341 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2342 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2343 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2345 for (i = 0; i < 3; i++) {
2346 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2354 for (i--; i >= 0; i--)
2355 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2363 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2368 for (i = 0; i < 3; i++)
2369 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2376 /* GFX Switch position */
2382 struct snc_gfx_switch_control {
2383 struct device_attribute attr;
2384 unsigned int handle;
2386 static struct snc_gfx_switch_control *gfxs_ctl;
2388 /* returns 0 for speed, 1 for stamina */
2389 static int __sony_nc_gfx_switch_status_get(void)
2391 unsigned int result;
2393 if (sony_call_snc_handle(gfxs_ctl->handle, 0x0100, &result))
2396 switch (gfxs_ctl->handle) {
2398 /* 1: discrete GFX (speed)
2399 * 0: integrated GFX (stamina)
2401 return result & 0x1 ? SPEED : STAMINA;
2404 /* it's a more elaborated bitmask, for now:
2405 * 2: integrated GFX (stamina)
2406 * 0: discrete GFX (speed)
2408 dprintk("GFX Status: 0x%x\n", result);
2409 return result & 0x80 ? AUTO :
2410 result & 0x02 ? STAMINA : SPEED;
2416 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2417 struct device_attribute *attr,
2420 int pos = __sony_nc_gfx_switch_status_get();
2425 return snprintf(buffer, PAGE_SIZE, "%s\n", pos ? "speed" : "stamina");
2428 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2429 unsigned int handle)
2431 unsigned int result;
2433 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2437 gfxs_ctl->handle = handle;
2439 sysfs_attr_init(&gfxs_ctl->attr.attr);
2440 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2441 gfxs_ctl->attr.attr.mode = S_IRUGO;
2442 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2444 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2457 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2460 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2467 /* High speed charging function */
2468 static struct device_attribute *hsc_handle;
2470 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2471 struct device_attribute *attr,
2472 const char *buffer, size_t count)
2474 unsigned int result;
2475 unsigned long value;
2480 if (kstrtoul(buffer, 10, &value) || value > 1)
2483 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2489 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2490 struct device_attribute *attr, char *buffer)
2492 unsigned int result;
2494 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2497 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2500 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2502 unsigned int result;
2504 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2505 /* some models advertise the handle but have no implementation
2508 pr_info("No High Speed Charging capability found\n");
2512 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2516 sysfs_attr_init(&hsc_handle->attr);
2517 hsc_handle->attr.name = "battery_highspeed_charging";
2518 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2519 hsc_handle->show = sony_nc_highspeed_charging_show;
2520 hsc_handle->store = sony_nc_highspeed_charging_store;
2522 result = device_create_file(&pd->dev, hsc_handle);
2532 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2535 device_remove_file(&pd->dev, hsc_handle);
2541 /* Touchpad enable/disable */
2542 struct touchpad_control {
2543 struct device_attribute attr;
2546 static struct touchpad_control *tp_ctl;
2548 static ssize_t sony_nc_touchpad_store(struct device *dev,
2549 struct device_attribute *attr, const char *buffer, size_t count)
2551 unsigned int result;
2552 unsigned long value;
2557 if (kstrtoul(buffer, 10, &value) || value > 1)
2560 /* sysfs: 0 disabled, 1 enabled
2561 * EC: 0 enabled, 1 disabled
2563 if (sony_call_snc_handle(tp_ctl->handle,
2564 (!value << 0x10) | 0x100, &result))
2570 static ssize_t sony_nc_touchpad_show(struct device *dev,
2571 struct device_attribute *attr, char *buffer)
2573 unsigned int result;
2575 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2578 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2581 static int sony_nc_touchpad_setup(struct platform_device *pd,
2582 unsigned int handle)
2586 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2590 tp_ctl->handle = handle;
2592 sysfs_attr_init(&tp_ctl->attr.attr);
2593 tp_ctl->attr.attr.name = "touchpad";
2594 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2595 tp_ctl->attr.show = sony_nc_touchpad_show;
2596 tp_ctl->attr.store = sony_nc_touchpad_store;
2598 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2607 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2610 device_remove_file(&pd->dev, &tp_ctl->attr);
2616 static void sony_nc_backlight_ng_read_limits(int handle,
2617 struct sony_backlight_props *props)
2621 int lvl_table_len = 0;
2622 u8 min = 0xff, max = 0x00;
2623 unsigned char buffer[32] = { 0 };
2625 props->handle = handle;
2627 props->maxlvl = 0xff;
2629 offset = sony_find_snc_handle(handle);
2631 /* try to read the boundaries from ACPI tables, if we fail the above
2632 * defaults should be reasonable
2634 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2651 /* the buffer lists brightness levels available, brightness levels are
2652 * from position 0 to 8 in the array, other values are used by ALS
2655 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2657 dprintk("Brightness level: %d\n", buffer[i]);
2662 if (buffer[i] > max)
2664 if (buffer[i] < min)
2667 props->offset = min;
2668 props->maxlvl = max;
2669 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2673 static void sony_nc_backlight_setup(void)
2676 int max_brightness = 0;
2677 const struct backlight_ops *ops = NULL;
2678 struct backlight_properties props;
2680 if (sony_find_snc_handle(0x12f) >= 0) {
2681 ops = &sony_backlight_ng_ops;
2682 sony_bl_props.cmd_base = 0x0100;
2683 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2684 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2686 } else if (sony_find_snc_handle(0x137) >= 0) {
2687 ops = &sony_backlight_ng_ops;
2688 sony_bl_props.cmd_base = 0x0100;
2689 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2690 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2692 } else if (sony_find_snc_handle(0x143) >= 0) {
2693 ops = &sony_backlight_ng_ops;
2694 sony_bl_props.cmd_base = 0x3000;
2695 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2696 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2698 } else if (sony_find_snc_handle(0x14b) >= 0) {
2699 ops = &sony_backlight_ng_ops;
2700 sony_bl_props.cmd_base = 0x3000;
2701 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2702 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2704 } else if (sony_find_snc_handle(0x14c) >= 0) {
2705 ops = &sony_backlight_ng_ops;
2706 sony_bl_props.cmd_base = 0x3000;
2707 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2708 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2710 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
2712 ops = &sony_backlight_ops;
2713 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2718 memset(&props, 0, sizeof(struct backlight_properties));
2719 props.type = BACKLIGHT_PLATFORM;
2720 props.max_brightness = max_brightness;
2721 sony_bl_props.dev = backlight_device_register("sony", NULL,
2725 if (IS_ERR(sony_bl_props.dev)) {
2726 pr_warn("unable to register backlight device\n");
2727 sony_bl_props.dev = NULL;
2729 sony_bl_props.dev->props.brightness =
2730 ops->get_brightness(sony_bl_props.dev);
2733 static void sony_nc_backlight_cleanup(void)
2735 if (sony_bl_props.dev)
2736 backlight_device_unregister(sony_bl_props.dev);
2739 static int sony_nc_add(struct acpi_device *device)
2744 struct sony_nc_value *item;
2746 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2748 sony_nc_acpi_device = device;
2749 strcpy(acpi_device_class(device), "sony/hotkey");
2751 sony_nc_acpi_handle = device->handle;
2753 /* read device status */
2754 result = acpi_bus_get_status(device);
2755 /* bail IFF the above call was successful and the device is not present */
2756 if (!result && !device->status.present) {
2757 dprintk("Device not present\n");
2762 result = sony_pf_add();
2767 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2768 sony_nc_acpi_handle, 1, sony_walk_callback,
2770 if (ACPI_FAILURE(status)) {
2771 pr_warn("unable to walk acpi resources\n");
2777 result = sony_laptop_setup_input(device);
2779 pr_err("Unable to create input devices\n");
2783 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
2786 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2787 dprintk("ECON Method failed\n");
2790 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
2792 dprintk("Doing SNC setup\n");
2793 /* retrieve the available handles */
2794 result = sony_nc_handles_setup(sony_pf_device);
2796 sony_nc_function_setup(device, sony_pf_device);
2799 /* setup input devices and helper fifo */
2800 if (acpi_video_backlight_support()) {
2801 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2803 sony_nc_backlight_setup();
2806 /* create sony_pf sysfs attributes related to the SNC device */
2807 for (item = sony_nc_values; item->name; ++item) {
2809 if (!debug && item->debug)
2812 /* find the available acpiget as described in the DSDT */
2813 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2814 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2817 dprintk("Found %s getter: %s\n",
2818 item->name, *item->acpiget);
2819 item->devattr.attr.mode |= S_IRUGO;
2824 /* find the available acpiset as described in the DSDT */
2825 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2826 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2829 dprintk("Found %s setter: %s\n",
2830 item->name, *item->acpiset);
2831 item->devattr.attr.mode |= S_IWUSR;
2836 if (item->devattr.attr.mode != 0) {
2838 device_create_file(&sony_pf_device->dev,
2848 for (item = sony_nc_values; item->name; ++item) {
2849 device_remove_file(&sony_pf_device->dev, &item->devattr);
2851 sony_nc_backlight_cleanup();
2852 sony_nc_function_cleanup(sony_pf_device);
2853 sony_nc_handles_cleanup(sony_pf_device);
2856 sony_laptop_remove_input();
2862 sony_nc_rfkill_cleanup();
2866 static int sony_nc_remove(struct acpi_device *device)
2868 struct sony_nc_value *item;
2870 sony_nc_backlight_cleanup();
2872 sony_nc_acpi_device = NULL;
2874 for (item = sony_nc_values; item->name; ++item) {
2875 device_remove_file(&sony_pf_device->dev, &item->devattr);
2878 sony_nc_function_cleanup(sony_pf_device);
2879 sony_nc_handles_cleanup(sony_pf_device);
2881 sony_laptop_remove_input();
2882 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2887 static const struct acpi_device_id sony_device_ids[] = {
2892 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2894 static const struct acpi_device_id sony_nc_device_ids[] = {
2899 static struct acpi_driver sony_nc_driver = {
2900 .name = SONY_NC_DRIVER_NAME,
2901 .class = SONY_NC_CLASS,
2902 .ids = sony_nc_device_ids,
2903 .owner = THIS_MODULE,
2906 .remove = sony_nc_remove,
2907 .notify = sony_nc_notify,
2909 .drv.pm = &sony_nc_pm,
2912 /*********** SPIC (SNY6001) Device ***********/
2914 #define SONYPI_DEVICE_TYPE1 0x00000001
2915 #define SONYPI_DEVICE_TYPE2 0x00000002
2916 #define SONYPI_DEVICE_TYPE3 0x00000004
2918 #define SONYPI_TYPE1_OFFSET 0x04
2919 #define SONYPI_TYPE2_OFFSET 0x12
2920 #define SONYPI_TYPE3_OFFSET 0x12
2922 struct sony_pic_ioport {
2923 struct acpi_resource_io io1;
2924 struct acpi_resource_io io2;
2925 struct list_head list;
2928 struct sony_pic_irq {
2929 struct acpi_resource_irq irq;
2930 struct list_head list;
2933 struct sonypi_eventtypes {
2936 struct sonypi_event *events;
2939 struct sony_pic_dev {
2940 struct acpi_device *acpi_dev;
2941 struct sony_pic_irq *cur_irq;
2942 struct sony_pic_ioport *cur_ioport;
2943 struct list_head interrupts;
2944 struct list_head ioports;
2946 struct sonypi_eventtypes *event_types;
2947 int (*handle_irq)(const u8, const u8);
2955 static struct sony_pic_dev spic_dev = {
2956 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2957 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2960 static int spic_drv_registered;
2963 #define SONYPI_JOGGER_MASK 0x00000001
2964 #define SONYPI_CAPTURE_MASK 0x00000002
2965 #define SONYPI_FNKEY_MASK 0x00000004
2966 #define SONYPI_BLUETOOTH_MASK 0x00000008
2967 #define SONYPI_PKEY_MASK 0x00000010
2968 #define SONYPI_BACK_MASK 0x00000020
2969 #define SONYPI_HELP_MASK 0x00000040
2970 #define SONYPI_LID_MASK 0x00000080
2971 #define SONYPI_ZOOM_MASK 0x00000100
2972 #define SONYPI_THUMBPHRASE_MASK 0x00000200
2973 #define SONYPI_MEYE_MASK 0x00000400
2974 #define SONYPI_MEMORYSTICK_MASK 0x00000800
2975 #define SONYPI_BATTERY_MASK 0x00001000
2976 #define SONYPI_WIRELESS_MASK 0x00002000
2978 struct sonypi_event {
2983 /* The set of possible button release events */
2984 static struct sonypi_event sonypi_releaseev[] = {
2985 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2989 /* The set of possible jogger events */
2990 static struct sonypi_event sonypi_joggerev[] = {
2991 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2992 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2993 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2994 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2995 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2996 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2997 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2998 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2999 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3000 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3001 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3002 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3003 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3007 /* The set of possible capture button events */
3008 static struct sonypi_event sonypi_captureev[] = {
3009 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3010 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3011 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3012 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3016 /* The set of possible fnkeys events */
3017 static struct sonypi_event sonypi_fnkeyev[] = {
3018 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3019 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3020 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3021 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3022 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3023 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3024 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3025 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3026 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3027 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3028 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3029 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3030 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3031 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3032 { 0x21, SONYPI_EVENT_FNKEY_1 },
3033 { 0x22, SONYPI_EVENT_FNKEY_2 },
3034 { 0x31, SONYPI_EVENT_FNKEY_D },
3035 { 0x32, SONYPI_EVENT_FNKEY_E },
3036 { 0x33, SONYPI_EVENT_FNKEY_F },
3037 { 0x34, SONYPI_EVENT_FNKEY_S },
3038 { 0x35, SONYPI_EVENT_FNKEY_B },
3039 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3043 /* The set of possible program key events */
3044 static struct sonypi_event sonypi_pkeyev[] = {
3045 { 0x01, SONYPI_EVENT_PKEY_P1 },
3046 { 0x02, SONYPI_EVENT_PKEY_P2 },
3047 { 0x04, SONYPI_EVENT_PKEY_P3 },
3048 { 0x20, SONYPI_EVENT_PKEY_P1 },
3052 /* The set of possible bluetooth events */
3053 static struct sonypi_event sonypi_blueev[] = {
3054 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3055 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3056 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3060 /* The set of possible wireless events */
3061 static struct sonypi_event sonypi_wlessev[] = {
3062 { 0x59, SONYPI_EVENT_IGNORE },
3063 { 0x5a, SONYPI_EVENT_IGNORE },
3067 /* The set of possible back button events */
3068 static struct sonypi_event sonypi_backev[] = {
3069 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3073 /* The set of possible help button events */
3074 static struct sonypi_event sonypi_helpev[] = {
3075 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3080 /* The set of possible lid events */
3081 static struct sonypi_event sonypi_lidev[] = {
3082 { 0x51, SONYPI_EVENT_LID_CLOSED },
3083 { 0x50, SONYPI_EVENT_LID_OPENED },
3087 /* The set of possible zoom events */
3088 static struct sonypi_event sonypi_zoomev[] = {
3089 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3090 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3091 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3092 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3096 /* The set of possible thumbphrase events */
3097 static struct sonypi_event sonypi_thumbphraseev[] = {
3098 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3102 /* The set of possible motioneye camera events */
3103 static struct sonypi_event sonypi_meyeev[] = {
3104 { 0x00, SONYPI_EVENT_MEYE_FACE },
3105 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3109 /* The set of possible memorystick events */
3110 static struct sonypi_event sonypi_memorystickev[] = {
3111 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3112 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3116 /* The set of possible battery events */
3117 static struct sonypi_event sonypi_batteryev[] = {
3118 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3119 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3123 /* The set of possible volume events */
3124 static struct sonypi_event sonypi_volumeev[] = {
3125 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3126 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3130 /* The set of possible brightness events */
3131 static struct sonypi_event sonypi_brightnessev[] = {
3132 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3136 static struct sonypi_eventtypes type1_events[] = {
3137 { 0, 0xffffffff, sonypi_releaseev },
3138 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3139 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3140 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3141 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3142 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3143 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3144 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3145 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3146 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3149 static struct sonypi_eventtypes type2_events[] = {
3150 { 0, 0xffffffff, sonypi_releaseev },
3151 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3152 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3153 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3154 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3155 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3156 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3157 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3158 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3159 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3160 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3161 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3162 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3163 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3166 static struct sonypi_eventtypes type3_events[] = {
3167 { 0, 0xffffffff, sonypi_releaseev },
3168 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3169 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3170 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3171 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3172 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3173 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3174 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3175 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3176 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3177 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3181 /* low level spic calls */
3182 #define ITERATIONS_LONG 10000
3183 #define ITERATIONS_SHORT 10
3184 #define wait_on_command(command, iterations) { \
3185 unsigned int n = iterations; \
3186 while (--n && (command)) \
3189 dprintk("command failed at %s : %s (line %d)\n", \
3190 __FILE__, __func__, __LINE__); \
3193 static u8 sony_pic_call1(u8 dev)
3197 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3199 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3200 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3201 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3202 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3206 static u8 sony_pic_call2(u8 dev, u8 fn)
3210 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3212 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3213 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3215 outb(fn, spic_dev.cur_ioport->io1.minimum);
3216 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3217 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3221 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3225 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3226 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3227 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3228 outb(fn, spic_dev.cur_ioport->io1.minimum);
3229 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3230 outb(v, spic_dev.cur_ioport->io1.minimum);
3231 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3232 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3238 * minidrivers for SPIC models
3240 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3243 * 0x31 could mean we have to take some extra action and wait for
3244 * the next irq for some Type3 models, it will generate a new
3245 * irq and we can read new data from the device:
3246 * - 0x5c and 0x5f requires 0xA0
3247 * - 0x61 requires 0xB3
3249 if (data_mask == 0x31) {
3250 if (ev == 0x5c || ev == 0x5f)
3251 sony_pic_call1(0xA0);
3252 else if (ev == 0x61)
3253 sony_pic_call1(0xB3);
3259 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3261 struct pci_dev *pcidev;
3263 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3264 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3266 dev->model = SONYPI_DEVICE_TYPE1;
3267 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3268 dev->event_types = type1_events;
3272 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3273 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3275 dev->model = SONYPI_DEVICE_TYPE2;
3276 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3277 dev->event_types = type2_events;
3281 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3282 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3284 dev->model = SONYPI_DEVICE_TYPE3;
3285 dev->handle_irq = type3_handle_irq;
3286 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3287 dev->event_types = type3_events;
3291 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3292 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3294 dev->model = SONYPI_DEVICE_TYPE3;
3295 dev->handle_irq = type3_handle_irq;
3296 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3297 dev->event_types = type3_events;
3301 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3302 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3304 dev->model = SONYPI_DEVICE_TYPE3;
3305 dev->handle_irq = type3_handle_irq;
3306 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3307 dev->event_types = type3_events;
3312 dev->model = SONYPI_DEVICE_TYPE2;
3313 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3314 dev->event_types = type2_events;
3318 pci_dev_put(pcidev);
3320 pr_info("detected Type%d model\n",
3321 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3322 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3325 /* camera tests and poweron/poweroff */
3326 #define SONYPI_CAMERA_PICTURE 5
3327 #define SONYPI_CAMERA_CONTROL 0x10
3329 #define SONYPI_CAMERA_BRIGHTNESS 0
3330 #define SONYPI_CAMERA_CONTRAST 1
3331 #define SONYPI_CAMERA_HUE 2
3332 #define SONYPI_CAMERA_COLOR 3
3333 #define SONYPI_CAMERA_SHARPNESS 4
3335 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3336 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3337 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3338 #define SONYPI_CAMERA_MUTE_MASK 0x40
3340 /* the rest don't need a loop until not 0xff */
3341 #define SONYPI_CAMERA_AGC 6
3342 #define SONYPI_CAMERA_AGC_MASK 0x30
3343 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3345 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3346 #define SONYPI_CAMERA_CONTROL 0x10
3348 #define SONYPI_CAMERA_STATUS 7
3349 #define SONYPI_CAMERA_STATUS_READY 0x2
3350 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3352 #define SONYPI_DIRECTION_BACKWARDS 0x4
3354 #define SONYPI_CAMERA_REVISION 8
3355 #define SONYPI_CAMERA_ROMVERSION 9
3357 static int __sony_pic_camera_ready(void)
3361 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3362 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3365 static int __sony_pic_camera_off(void)
3368 pr_warn("camera control not enabled\n");
3372 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3373 SONYPI_CAMERA_MUTE_MASK),
3376 if (spic_dev.camera_power) {
3377 sony_pic_call2(0x91, 0);
3378 spic_dev.camera_power = 0;
3383 static int __sony_pic_camera_on(void)
3388 pr_warn("camera control not enabled\n");
3392 if (spic_dev.camera_power)
3395 for (j = 5; j > 0; j--) {
3397 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3399 sony_pic_call1(0x93);
3401 for (i = 400; i > 0; i--) {
3402 if (__sony_pic_camera_ready())
3411 pr_warn("failed to power on camera\n");
3415 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3419 spic_dev.camera_power = 1;
3423 /* External camera command (exported to the motion eye v4l driver) */
3424 int sony_pic_camera_command(int command, u8 value)
3429 mutex_lock(&spic_dev.lock);
3432 case SONY_PIC_COMMAND_SETCAMERA:
3434 __sony_pic_camera_on();
3436 __sony_pic_camera_off();
3438 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3439 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3442 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3443 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3446 case SONY_PIC_COMMAND_SETCAMERAHUE:
3447 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3450 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3451 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3454 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3455 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3458 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3459 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3462 case SONY_PIC_COMMAND_SETCAMERAAGC:
3463 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3467 pr_err("sony_pic_camera_command invalid: %d\n", command);
3470 mutex_unlock(&spic_dev.lock);
3473 EXPORT_SYMBOL(sony_pic_camera_command);
3475 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3476 static void __sony_pic_set_wwanpower(u8 state)
3479 if (spic_dev.wwan_power == state)
3481 sony_pic_call2(0xB0, state);
3482 sony_pic_call1(0x82);
3483 spic_dev.wwan_power = state;
3486 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3487 struct device_attribute *attr,
3488 const char *buffer, size_t count)
3490 unsigned long value;
3494 if (kstrtoul(buffer, 10, &value))
3497 mutex_lock(&spic_dev.lock);
3498 __sony_pic_set_wwanpower(value);
3499 mutex_unlock(&spic_dev.lock);
3504 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3505 struct device_attribute *attr, char *buffer)
3508 mutex_lock(&spic_dev.lock);
3509 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3510 mutex_unlock(&spic_dev.lock);
3514 /* bluetooth subsystem power state */
3515 static void __sony_pic_set_bluetoothpower(u8 state)
3518 if (spic_dev.bluetooth_power == state)
3520 sony_pic_call2(0x96, state);
3521 sony_pic_call1(0x82);
3522 spic_dev.bluetooth_power = state;
3525 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3526 struct device_attribute *attr,
3527 const char *buffer, size_t count)
3529 unsigned long value;
3533 if (kstrtoul(buffer, 10, &value))
3536 mutex_lock(&spic_dev.lock);
3537 __sony_pic_set_bluetoothpower(value);
3538 mutex_unlock(&spic_dev.lock);
3543 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3544 struct device_attribute *attr, char *buffer)
3547 mutex_lock(&spic_dev.lock);
3548 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3549 mutex_unlock(&spic_dev.lock);
3554 /* FAN0 information (reverse engineered from ACPI tables) */
3555 #define SONY_PIC_FAN0_STATUS 0x93
3556 static int sony_pic_set_fanspeed(unsigned long value)
3558 return ec_write(SONY_PIC_FAN0_STATUS, value);
3561 static int sony_pic_get_fanspeed(u8 *value)
3563 return ec_read(SONY_PIC_FAN0_STATUS, value);
3566 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3567 struct device_attribute *attr,
3568 const char *buffer, size_t count)
3570 unsigned long value;
3574 if (kstrtoul(buffer, 10, &value))
3577 if (sony_pic_set_fanspeed(value))
3583 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3584 struct device_attribute *attr, char *buffer)
3587 if (sony_pic_get_fanspeed(&value))
3590 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3593 #define SPIC_ATTR(_name, _mode) \
3594 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3595 _mode, sony_pic_## _name ##_show, \
3596 sony_pic_## _name ##_store)
3598 static SPIC_ATTR(bluetoothpower, 0644);
3599 static SPIC_ATTR(wwanpower, 0644);
3600 static SPIC_ATTR(fanspeed, 0644);
3602 static struct attribute *spic_attributes[] = {
3603 &spic_attr_bluetoothpower.attr,
3604 &spic_attr_wwanpower.attr,
3605 &spic_attr_fanspeed.attr,
3609 static struct attribute_group spic_attribute_group = {
3610 .attrs = spic_attributes
3613 /******** SONYPI compatibility **********/
3614 #ifdef CONFIG_SONYPI_COMPAT
3616 /* battery / brightness / temperature addresses */
3617 #define SONYPI_BAT_FLAGS 0x81
3618 #define SONYPI_LCD_LIGHT 0x96
3619 #define SONYPI_BAT1_PCTRM 0xa0
3620 #define SONYPI_BAT1_LEFT 0xa2
3621 #define SONYPI_BAT1_MAXRT 0xa4
3622 #define SONYPI_BAT2_PCTRM 0xa8
3623 #define SONYPI_BAT2_LEFT 0xaa
3624 #define SONYPI_BAT2_MAXRT 0xac
3625 #define SONYPI_BAT1_MAXTK 0xb0
3626 #define SONYPI_BAT1_FULL 0xb2
3627 #define SONYPI_BAT2_MAXTK 0xb8
3628 #define SONYPI_BAT2_FULL 0xba
3629 #define SONYPI_TEMP_STATUS 0xC1
3631 struct sonypi_compat_s {
3632 struct fasync_struct *fifo_async;
3634 spinlock_t fifo_lock;
3635 wait_queue_head_t fifo_proc_list;
3636 atomic_t open_count;
3638 static struct sonypi_compat_s sonypi_compat = {
3639 .open_count = ATOMIC_INIT(0),
3642 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3644 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3647 static int sonypi_misc_release(struct inode *inode, struct file *file)
3649 atomic_dec(&sonypi_compat.open_count);
3653 static int sonypi_misc_open(struct inode *inode, struct file *file)
3655 /* Flush input queue on first open */
3656 unsigned long flags;
3658 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3660 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3661 kfifo_reset(&sonypi_compat.fifo);
3663 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3668 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3669 size_t count, loff_t *pos)
3674 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3675 (file->f_flags & O_NONBLOCK))
3678 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3679 kfifo_len(&sonypi_compat.fifo) != 0);
3683 while (ret < count &&
3684 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3685 &sonypi_compat.fifo_lock) == sizeof(c))) {
3686 if (put_user(c, buf++))
3692 struct inode *inode = file_inode(file);
3693 inode->i_atime = current_fs_time(inode->i_sb);
3699 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3701 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3702 if (kfifo_len(&sonypi_compat.fifo))
3703 return POLLIN | POLLRDNORM;
3707 static int ec_read16(u8 addr, u16 *value)
3710 if (ec_read(addr, &val_lb))
3712 if (ec_read(addr + 1, &val_hb))
3714 *value = val_lb | (val_hb << 8);
3718 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3722 void __user *argp = (void __user *)arg;
3727 mutex_lock(&spic_dev.lock);
3729 case SONYPI_IOCGBRT:
3730 if (sony_bl_props.dev == NULL) {
3734 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3739 val8 = ((value & 0xff) - 1) << 5;
3740 if (copy_to_user(argp, &val8, sizeof(val8)))
3743 case SONYPI_IOCSBRT:
3744 if (sony_bl_props.dev == NULL) {
3748 if (copy_from_user(&val8, argp, sizeof(val8))) {
3752 value = (val8 >> 5) + 1;
3753 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3758 /* sync the backlight device status */
3759 sony_bl_props.dev->props.brightness =
3760 sony_backlight_get_brightness(sony_bl_props.dev);
3762 case SONYPI_IOCGBAT1CAP:
3763 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3767 if (copy_to_user(argp, &val16, sizeof(val16)))
3770 case SONYPI_IOCGBAT1REM:
3771 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3775 if (copy_to_user(argp, &val16, sizeof(val16)))
3778 case SONYPI_IOCGBAT2CAP:
3779 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3783 if (copy_to_user(argp, &val16, sizeof(val16)))
3786 case SONYPI_IOCGBAT2REM:
3787 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3791 if (copy_to_user(argp, &val16, sizeof(val16)))
3794 case SONYPI_IOCGBATFLAGS:
3795 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3800 if (copy_to_user(argp, &val8, sizeof(val8)))
3803 case SONYPI_IOCGBLUE:
3804 val8 = spic_dev.bluetooth_power;
3805 if (copy_to_user(argp, &val8, sizeof(val8)))
3808 case SONYPI_IOCSBLUE:
3809 if (copy_from_user(&val8, argp, sizeof(val8))) {
3813 __sony_pic_set_bluetoothpower(val8);
3816 case SONYPI_IOCGFAN:
3817 if (sony_pic_get_fanspeed(&val8)) {
3821 if (copy_to_user(argp, &val8, sizeof(val8)))
3824 case SONYPI_IOCSFAN:
3825 if (copy_from_user(&val8, argp, sizeof(val8))) {
3829 if (sony_pic_set_fanspeed(val8))
3832 /* GET Temperature (useful under APM) */
3833 case SONYPI_IOCGTEMP:
3834 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3838 if (copy_to_user(argp, &val8, sizeof(val8)))
3844 mutex_unlock(&spic_dev.lock);
3848 static const struct file_operations sonypi_misc_fops = {
3849 .owner = THIS_MODULE,
3850 .read = sonypi_misc_read,
3851 .poll = sonypi_misc_poll,
3852 .open = sonypi_misc_open,
3853 .release = sonypi_misc_release,
3854 .fasync = sonypi_misc_fasync,
3855 .unlocked_ioctl = sonypi_misc_ioctl,
3856 .llseek = noop_llseek,
3859 static struct miscdevice sonypi_misc_device = {
3860 .minor = MISC_DYNAMIC_MINOR,
3862 .fops = &sonypi_misc_fops,
3865 static void sonypi_compat_report_event(u8 event)
3867 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3868 sizeof(event), &sonypi_compat.fifo_lock);
3869 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3870 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3873 static int sonypi_compat_init(void)
3877 spin_lock_init(&sonypi_compat.fifo_lock);
3879 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3881 pr_err("kfifo_alloc failed\n");
3885 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3888 sonypi_misc_device.minor = minor;
3889 error = misc_register(&sonypi_misc_device);
3891 pr_err("misc_register failed\n");
3892 goto err_free_kfifo;
3895 pr_info("device allocated minor is %d\n",
3896 sonypi_misc_device.minor);
3901 kfifo_free(&sonypi_compat.fifo);
3905 static void sonypi_compat_exit(void)
3907 misc_deregister(&sonypi_misc_device);
3908 kfifo_free(&sonypi_compat.fifo);
3911 static int sonypi_compat_init(void) { return 0; }
3912 static void sonypi_compat_exit(void) { }
3913 static void sonypi_compat_report_event(u8 event) { }
3914 #endif /* CONFIG_SONYPI_COMPAT */
3920 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3923 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3925 switch (resource->type) {
3926 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3928 /* start IO enumeration */
3929 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3933 list_add(&ioport->list, &dev->ioports);
3937 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3938 /* end IO enumeration */
3941 case ACPI_RESOURCE_TYPE_IRQ:
3943 struct acpi_resource_irq *p = &resource->data.irq;
3944 struct sony_pic_irq *interrupt = NULL;
3945 if (!p || !p->interrupt_count) {
3947 * IRQ descriptors may have no IRQ# bits set,
3948 * particularly those those w/ _STA disabled
3950 dprintk("Blank IRQ resource\n");
3953 for (i = 0; i < p->interrupt_count; i++) {
3954 if (!p->interrupts[i]) {
3955 pr_warn("Invalid IRQ %d\n",
3959 interrupt = kzalloc(sizeof(*interrupt),
3964 list_add(&interrupt->list, &dev->interrupts);
3965 interrupt->irq.triggering = p->triggering;
3966 interrupt->irq.polarity = p->polarity;
3967 interrupt->irq.sharable = p->sharable;
3968 interrupt->irq.interrupt_count = 1;
3969 interrupt->irq.interrupts[0] = p->interrupts[i];
3973 case ACPI_RESOURCE_TYPE_IO:
3975 struct acpi_resource_io *io = &resource->data.io;
3976 struct sony_pic_ioport *ioport =
3977 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3979 dprintk("Blank IO resource\n");
3983 if (!ioport->io1.minimum) {
3984 memcpy(&ioport->io1, io, sizeof(*io));
3985 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3986 ioport->io1.address_length);
3988 else if (!ioport->io2.minimum) {
3989 memcpy(&ioport->io2, io, sizeof(*io));
3990 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3991 ioport->io2.address_length);
3994 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4000 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4003 case ACPI_RESOURCE_TYPE_END_TAG:
4006 return AE_CTRL_TERMINATE;
4009 static int sony_pic_possible_resources(struct acpi_device *device)
4012 acpi_status status = AE_OK;
4017 /* get device status */
4018 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4019 dprintk("Evaluating _STA\n");
4020 result = acpi_bus_get_status(device);
4022 pr_warn("Unable to read status\n");
4026 if (!device->status.enabled)
4027 dprintk("Device disabled\n");
4029 dprintk("Device enabled\n");
4032 * Query and parse 'method'
4034 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4035 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4036 sony_pic_read_possible_resource, &spic_dev);
4037 if (ACPI_FAILURE(status)) {
4038 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4046 * Disable the spic device by calling its _DIS method
4048 static int sony_pic_disable(struct acpi_device *device)
4050 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4053 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4056 dprintk("Device disabled\n");
4062 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4064 * Call _SRS to set current resources
4066 static int sony_pic_enable(struct acpi_device *device,
4067 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4071 /* Type 1 resource layout is:
4077 * Type 2 and 3 resource layout is:
4083 struct acpi_resource res1;
4084 struct acpi_resource res2;
4085 struct acpi_resource res3;
4086 struct acpi_resource res4;
4088 struct acpi_buffer buffer = { 0, NULL };
4090 if (!ioport || !irq)
4093 /* init acpi_buffer */
4094 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4098 buffer.length = sizeof(*resource) + 1;
4099 buffer.pointer = resource;
4101 /* setup Type 1 resources */
4102 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4104 /* setup io resources */
4105 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4106 resource->res1.length = sizeof(struct acpi_resource);
4107 memcpy(&resource->res1.data.io, &ioport->io1,
4108 sizeof(struct acpi_resource_io));
4110 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4111 resource->res2.length = sizeof(struct acpi_resource);
4112 memcpy(&resource->res2.data.io, &ioport->io2,
4113 sizeof(struct acpi_resource_io));
4115 /* setup irq resource */
4116 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4117 resource->res3.length = sizeof(struct acpi_resource);
4118 memcpy(&resource->res3.data.irq, &irq->irq,
4119 sizeof(struct acpi_resource_irq));
4120 /* we requested a shared irq */
4121 resource->res3.data.irq.sharable = ACPI_SHARED;
4123 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4126 /* setup Type 2/3 resources */
4128 /* setup io resource */
4129 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4130 resource->res1.length = sizeof(struct acpi_resource);
4131 memcpy(&resource->res1.data.io, &ioport->io1,
4132 sizeof(struct acpi_resource_io));
4134 /* setup irq resource */
4135 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4136 resource->res2.length = sizeof(struct acpi_resource);
4137 memcpy(&resource->res2.data.irq, &irq->irq,
4138 sizeof(struct acpi_resource_irq));
4139 /* we requested a shared irq */
4140 resource->res2.data.irq.sharable = ACPI_SHARED;
4142 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4145 /* Attempt to set the resource */
4146 dprintk("Evaluating _SRS\n");
4147 status = acpi_set_current_resources(device->handle, &buffer);
4149 /* check for total failure */
4150 if (ACPI_FAILURE(status)) {
4151 pr_err("Error evaluating _SRS\n");
4156 /* Necessary device initializations calls (from sonypi) */
4157 sony_pic_call1(0x82);
4158 sony_pic_call2(0x81, 0xff);
4159 sony_pic_call1(compat ? 0x92 : 0x82);
4168 * ISR: some event is available
4171 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4176 u8 device_event = 0;
4178 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4180 ev = inb_p(dev->cur_ioport->io1.minimum);
4181 if (dev->cur_ioport->io2.minimum)
4182 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4184 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4185 dev->evport_offset);
4187 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4188 ev, data_mask, dev->cur_ioport->io1.minimum,
4189 dev->evport_offset);
4191 if (ev == 0x00 || ev == 0xff)
4194 for (i = 0; dev->event_types[i].mask; i++) {
4196 if ((data_mask & dev->event_types[i].data) !=
4197 dev->event_types[i].data)
4200 if (!(mask & dev->event_types[i].mask))
4203 for (j = 0; dev->event_types[i].events[j].event; j++) {
4204 if (ev == dev->event_types[i].events[j].data) {
4206 dev->event_types[i].events[j].event;
4207 /* some events may require ignoring */
4214 /* Still not able to decode the event try to pass
4215 * it over to the minidriver
4217 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4220 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4221 ev, data_mask, dev->cur_ioport->io1.minimum,
4222 dev->evport_offset);
4226 sony_laptop_report_input_event(device_event);
4227 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
4228 sonypi_compat_report_event(device_event);
4237 static int sony_pic_remove(struct acpi_device *device)
4239 struct sony_pic_ioport *io, *tmp_io;
4240 struct sony_pic_irq *irq, *tmp_irq;
4242 if (sony_pic_disable(device)) {
4243 pr_err("Couldn't disable device\n");
4247 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4248 release_region(spic_dev.cur_ioport->io1.minimum,
4249 spic_dev.cur_ioport->io1.address_length);
4250 if (spic_dev.cur_ioport->io2.minimum)
4251 release_region(spic_dev.cur_ioport->io2.minimum,
4252 spic_dev.cur_ioport->io2.address_length);
4254 sonypi_compat_exit();
4256 sony_laptop_remove_input();
4259 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4262 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4263 list_del(&io->list);
4266 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4267 list_del(&irq->list);
4270 spic_dev.cur_ioport = NULL;
4271 spic_dev.cur_irq = NULL;
4273 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4277 static int sony_pic_add(struct acpi_device *device)
4280 struct sony_pic_ioport *io, *tmp_io;
4281 struct sony_pic_irq *irq, *tmp_irq;
4283 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4285 spic_dev.acpi_dev = device;
4286 strcpy(acpi_device_class(device), "sony/hotkey");
4287 sony_pic_detect_device_type(&spic_dev);
4288 mutex_init(&spic_dev.lock);
4290 /* read _PRS resources */
4291 result = sony_pic_possible_resources(device);
4293 pr_err("Unable to read possible resources\n");
4294 goto err_free_resources;
4297 /* setup input devices and helper fifo */
4298 result = sony_laptop_setup_input(device);
4300 pr_err("Unable to create input devices\n");
4301 goto err_free_resources;
4304 if (sonypi_compat_init())
4305 goto err_remove_input;
4307 /* request io port */
4308 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4309 if (request_region(io->io1.minimum, io->io1.address_length,
4310 "Sony Programmable I/O Device")) {
4311 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4312 io->io1.minimum, io->io1.maximum,
4313 io->io1.address_length);
4314 /* Type 1 have 2 ioports */
4315 if (io->io2.minimum) {
4316 if (request_region(io->io2.minimum,
4317 io->io2.address_length,
4318 "Sony Programmable I/O Device")) {
4319 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4320 io->io2.minimum, io->io2.maximum,
4321 io->io2.address_length);
4322 spic_dev.cur_ioport = io;
4326 dprintk("Unable to get I/O port2: "
4327 "0x%.4x (0x%.4x) + 0x%.2x\n",
4328 io->io2.minimum, io->io2.maximum,
4329 io->io2.address_length);
4330 release_region(io->io1.minimum,
4331 io->io1.address_length);
4335 spic_dev.cur_ioport = io;
4340 if (!spic_dev.cur_ioport) {
4341 pr_err("Failed to request_region\n");
4343 goto err_remove_compat;
4347 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4348 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4349 0, "sony-laptop", &spic_dev)) {
4350 dprintk("IRQ: %d - triggering: %d - "
4351 "polarity: %d - shr: %d\n",
4352 irq->irq.interrupts[0],
4353 irq->irq.triggering,
4356 spic_dev.cur_irq = irq;
4360 if (!spic_dev.cur_irq) {
4361 pr_err("Failed to request_irq\n");
4363 goto err_release_region;
4366 /* set resource status _SRS */
4367 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4369 pr_err("Couldn't enable device\n");
4373 spic_dev.bluetooth_power = -1;
4374 /* create device attributes */
4375 result = sony_pf_add();
4377 goto err_disable_device;
4379 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4389 sony_pic_disable(device);
4392 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4395 release_region(spic_dev.cur_ioport->io1.minimum,
4396 spic_dev.cur_ioport->io1.address_length);
4397 if (spic_dev.cur_ioport->io2.minimum)
4398 release_region(spic_dev.cur_ioport->io2.minimum,
4399 spic_dev.cur_ioport->io2.address_length);
4402 sonypi_compat_exit();
4405 sony_laptop_remove_input();
4408 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4409 list_del(&io->list);
4412 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4413 list_del(&irq->list);
4416 spic_dev.cur_ioport = NULL;
4417 spic_dev.cur_irq = NULL;
4422 #ifdef CONFIG_PM_SLEEP
4423 static int sony_pic_suspend(struct device *dev)
4425 if (sony_pic_disable(to_acpi_device(dev)))
4430 static int sony_pic_resume(struct device *dev)
4432 sony_pic_enable(to_acpi_device(dev),
4433 spic_dev.cur_ioport, spic_dev.cur_irq);
4438 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4440 static const struct acpi_device_id sony_pic_device_ids[] = {
4445 static struct acpi_driver sony_pic_driver = {
4446 .name = SONY_PIC_DRIVER_NAME,
4447 .class = SONY_PIC_CLASS,
4448 .ids = sony_pic_device_ids,
4449 .owner = THIS_MODULE,
4451 .add = sony_pic_add,
4452 .remove = sony_pic_remove,
4454 .drv.pm = &sony_pic_pm,
4457 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4459 .ident = "Sony Vaio",
4461 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4462 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4466 .ident = "Sony Vaio",
4468 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4469 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4475 static int __init sony_laptop_init(void)
4479 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4480 result = acpi_bus_register_driver(&sony_pic_driver);
4482 pr_err("Unable to register SPIC driver\n");
4485 spic_drv_registered = 1;
4488 result = acpi_bus_register_driver(&sony_nc_driver);
4490 pr_err("Unable to register SNC driver\n");
4491 goto out_unregister_pic;
4497 if (spic_drv_registered)
4498 acpi_bus_unregister_driver(&sony_pic_driver);
4503 static void __exit sony_laptop_exit(void)
4505 acpi_bus_unregister_driver(&sony_nc_driver);
4506 if (spic_drv_registered)
4507 acpi_bus_unregister_driver(&sony_pic_driver);
4510 module_init(sony_laptop_init);
4511 module_exit(sony_laptop_exit);