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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / platform / x86 / sony-laptop.c
blob8f8551a63cc0b6de1bbb55a63ad538e760b72b63
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
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.
33 *
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.
38 *
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.
42 *
43 */
44
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
46
47 #include <linux/kernel.h>
48 #include <linux/module.h>
49 #include <linux/moduleparam.h>
50 #include <linux/init.h>
51 #include <linux/types.h>
52 #include <linux/backlight.h>
53 #include <linux/platform_device.h>
54 #include <linux/err.h>
55 #include <linux/dmi.h>
56 #include <linux/pci.h>
57 #include <linux/interrupt.h>
58 #include <linux/delay.h>
59 #include <linux/input.h>
60 #include <linux/kfifo.h>
61 #include <linux/workqueue.h>
62 #include <linux/acpi.h>
63 #include <linux/slab.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71 #include <asm/uaccess.h>
72
73 #define dprintk(fmt, ...) \
74 do { \
75 if (debug) \
76 pr_warn(fmt, ##__VA_ARGS__); \
77 } while (0)
78
79 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
80
81 #define SONY_NC_CLASS "sony-nc"
82 #define SONY_NC_HID "SNY5001"
83 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
84
85 #define SONY_PIC_CLASS "sony-pic"
86 #define SONY_PIC_HID "SNY6001"
87 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
88
89 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
90 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
91 MODULE_LICENSE("GPL");
92 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
93
94 static int debug;
95 module_param(debug, int, 0);
96 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
97 "the development of this driver");
98
99 static int no_spic; /* = 0 */
100 module_param(no_spic, int, 0444);
101 MODULE_PARM_DESC(no_spic,
102 "set this if you don't want to enable the SPIC device");
103
104 static int compat; /* = 0 */
105 module_param(compat, int, 0444);
106 MODULE_PARM_DESC(compat,
107 "set this if you want to enable backward compatibility mode");
108
109 static unsigned long mask = 0xffffffff;
110 module_param(mask, ulong, 0644);
111 MODULE_PARM_DESC(mask,
112 "set this to the mask of event you want to enable (see doc)");
113
114 static int camera; /* = 0 */
115 module_param(camera, int, 0444);
116 MODULE_PARM_DESC(camera,
117 "set this to 1 to enable Motion Eye camera controls "
118 "(only use it if you have a C1VE or C1VN model)");
119
120 #ifdef CONFIG_SONYPI_COMPAT
121 static int minor = -1;
122 module_param(minor, int, 0);
123 MODULE_PARM_DESC(minor,
124 "minor number of the misc device for the SPIC compatibility code, "
125 "default is -1 (automatic)");
126 #endif
127
128 static int kbd_backlight = -1;
129 module_param(kbd_backlight, int, 0444);
130 MODULE_PARM_DESC(kbd_backlight,
131 "set this to 0 to disable keyboard backlight, "
132 "1 to enable it (default: no change from current value)");
133
134 static int kbd_backlight_timeout = -1;
135 module_param(kbd_backlight_timeout, int, 0444);
136 MODULE_PARM_DESC(kbd_backlight_timeout,
137 "meaningful values vary from 0 to 3 and their meaning depends "
138 "on the model (default: no change from current value)");
139
140 #ifdef CONFIG_PM_SLEEP
141 static void sony_nc_thermal_resume(void);
142 #endif
143 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
144 unsigned int handle);
145 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
146 unsigned int handle);
147
148 static int sony_nc_battery_care_setup(struct platform_device *pd,
149 unsigned int handle);
150 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
151
152 static int sony_nc_thermal_setup(struct platform_device *pd);
153 static void sony_nc_thermal_cleanup(struct platform_device *pd);
154
155 static int sony_nc_lid_resume_setup(struct platform_device *pd);
156 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
157
158 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
159 unsigned int handle);
160 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
161 static int __sony_nc_gfx_switch_status_get(void);
162
163 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
164 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
165
166 static int sony_nc_touchpad_setup(struct platform_device *pd,
167 unsigned int handle);
168 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
169
170 enum sony_nc_rfkill {
171 SONY_WIFI,
172 SONY_BLUETOOTH,
173 SONY_WWAN,
174 SONY_WIMAX,
175 N_SONY_RFKILL,
176 };
177
178 static int sony_rfkill_handle;
179 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
180 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
181 static int sony_nc_rfkill_setup(struct acpi_device *device,
182 unsigned int handle);
183 static void sony_nc_rfkill_cleanup(void);
184 static void sony_nc_rfkill_update(void);
185
186 /*********** Input Devices ***********/
187
188 #define SONY_LAPTOP_BUF_SIZE 128
189 struct sony_laptop_input_s {
190 atomic_t users;
191 struct input_dev *jog_dev;
192 struct input_dev *key_dev;
193 struct kfifo fifo;
194 spinlock_t fifo_lock;
195 struct timer_list release_key_timer;
196 };
197
198 static struct sony_laptop_input_s sony_laptop_input = {
199 .users = ATOMIC_INIT(0),
200 };
201
202 struct sony_laptop_keypress {
203 struct input_dev *dev;
204 int key;
205 };
206
207 /* Correspondance table between sonypi events
208 * and input layer indexes in the keymap
209 */
210 static int sony_laptop_input_index[] = {
211 -1, /* 0 no event */
212 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
213 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
214 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
215 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
216 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
217 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
218 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
219 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
220 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
221 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
222 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
223 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
224 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
225 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
226 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
227 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
228 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
229 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
230 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
231 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
232 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
233 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
234 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
235 17, /* 24 SONYPI_EVENT_FNKEY_1 */
236 18, /* 25 SONYPI_EVENT_FNKEY_2 */
237 19, /* 26 SONYPI_EVENT_FNKEY_D */
238 20, /* 27 SONYPI_EVENT_FNKEY_E */
239 21, /* 28 SONYPI_EVENT_FNKEY_F */
240 22, /* 29 SONYPI_EVENT_FNKEY_S */
241 23, /* 30 SONYPI_EVENT_FNKEY_B */
242 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
243 25, /* 32 SONYPI_EVENT_PKEY_P1 */
244 26, /* 33 SONYPI_EVENT_PKEY_P2 */
245 27, /* 34 SONYPI_EVENT_PKEY_P3 */
246 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
247 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
248 -1, /* 37 SONYPI_EVENT_LID_OPENED */
249 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
250 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
251 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
252 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
253 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
254 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
255 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
256 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
257 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
258 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
259 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
260 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
261 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
262 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
263 43, /* 52 SONYPI_EVENT_MEYE_FACE */
264 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
265 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
266 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
267 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
268 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
269 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
270 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
271 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
272 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
273 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
274 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
275 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
276 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
277 53, /* 66 SONYPI_EVENT_PKEY_P4 */
278 54, /* 67 SONYPI_EVENT_PKEY_P5 */
279 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
280 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
281 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
282 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
283 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
284 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
285 };
286
287 static int sony_laptop_input_keycode_map[] = {
288 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
289 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
290 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
291 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
292 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
293 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
294 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
295 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
296 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
297 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
298 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
299 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
300 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
301 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
302 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
303 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
304 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
305 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
306 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
307 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
308 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
309 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
310 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
311 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
312 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
313 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
314 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
315 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
316 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
317 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
318 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
319 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
320 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
321 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
322 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
323 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
324 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
325 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
326 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
327 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
328 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
329 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
330 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
331 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
332 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
333 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
334 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
335 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
336 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
337 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
338 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
339 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
340 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
341 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
342 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
343 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
344 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
345 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
346 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
347 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
348 };
349
350 /* release buttons after a short delay if pressed */
351 static void do_sony_laptop_release_key(unsigned long unused)
352 {
353 struct sony_laptop_keypress kp;
354 unsigned long flags;
355
356 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
357
358 if (kfifo_out(&sony_laptop_input.fifo,
359 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
360 input_report_key(kp.dev, kp.key, 0);
361 input_sync(kp.dev);
362 }
363
364 /* If there is something in the fifo schedule next release. */
365 if (kfifo_len(&sony_laptop_input.fifo) != 0)
366 mod_timer(&sony_laptop_input.release_key_timer,
367 jiffies + msecs_to_jiffies(10));
368
369 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
370 }
371
372 /* forward event to the input subsystem */
373 static void sony_laptop_report_input_event(u8 event)
374 {
375 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
376 struct input_dev *key_dev = sony_laptop_input.key_dev;
377 struct sony_laptop_keypress kp = { NULL };
378 int scancode = -1;
379
380 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
381 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
382 /* Nothing, not all VAIOs generate this event */
383 return;
384 }
385
386 /* report events */
387 switch (event) {
388 /* jog_dev events */
389 case SONYPI_EVENT_JOGDIAL_UP:
390 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
391 input_report_rel(jog_dev, REL_WHEEL, 1);
392 input_sync(jog_dev);
393 return;
394
395 case SONYPI_EVENT_JOGDIAL_DOWN:
396 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
397 input_report_rel(jog_dev, REL_WHEEL, -1);
398 input_sync(jog_dev);
399 return;
400
401 /* key_dev events */
402 case SONYPI_EVENT_JOGDIAL_PRESSED:
403 kp.key = BTN_MIDDLE;
404 kp.dev = jog_dev;
405 break;
406
407 default:
408 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
409 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
410 break;
411 }
412 if ((scancode = sony_laptop_input_index[event]) != -1) {
413 kp.key = sony_laptop_input_keycode_map[scancode];
414 if (kp.key != KEY_UNKNOWN)
415 kp.dev = key_dev;
416 }
417 break;
418 }
419
420 if (kp.dev) {
421 /* if we have a scancode we emit it so we can always
422 remap the key */
423 if (scancode != -1)
424 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
425 input_report_key(kp.dev, kp.key, 1);
426 input_sync(kp.dev);
427
428 /* schedule key release */
429 kfifo_in_locked(&sony_laptop_input.fifo,
430 (unsigned char *)&kp, sizeof(kp),
431 &sony_laptop_input.fifo_lock);
432 mod_timer(&sony_laptop_input.release_key_timer,
433 jiffies + msecs_to_jiffies(10));
434 } else
435 dprintk("unknown input event %.2x\n", event);
436 }
437
438 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
439 {
440 struct input_dev *jog_dev;
441 struct input_dev *key_dev;
442 int i;
443 int error;
444
445 /* don't run again if already initialized */
446 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
447 return 0;
448
449 /* kfifo */
450 spin_lock_init(&sony_laptop_input.fifo_lock);
451 error = kfifo_alloc(&sony_laptop_input.fifo,
452 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
453 if (error) {
454 pr_err("kfifo_alloc failed\n");
455 goto err_dec_users;
456 }
457
458 setup_timer(&sony_laptop_input.release_key_timer,
459 do_sony_laptop_release_key, 0);
460
461 /* input keys */
462 key_dev = input_allocate_device();
463 if (!key_dev) {
464 error = -ENOMEM;
465 goto err_free_kfifo;
466 }
467
468 key_dev->name = "Sony Vaio Keys";
469 key_dev->id.bustype = BUS_ISA;
470 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
471 key_dev->dev.parent = &acpi_device->dev;
472
473 /* Initialize the Input Drivers: special keys */
474 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
475
476 __set_bit(EV_KEY, key_dev->evbit);
477 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
478 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
479 key_dev->keycode = &sony_laptop_input_keycode_map;
480 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
481 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
482 __clear_bit(KEY_RESERVED, key_dev->keybit);
483
484 error = input_register_device(key_dev);
485 if (error)
486 goto err_free_keydev;
487
488 sony_laptop_input.key_dev = key_dev;
489
490 /* jogdial */
491 jog_dev = input_allocate_device();
492 if (!jog_dev) {
493 error = -ENOMEM;
494 goto err_unregister_keydev;
495 }
496
497 jog_dev->name = "Sony Vaio Jogdial";
498 jog_dev->id.bustype = BUS_ISA;
499 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
500 jog_dev->dev.parent = &acpi_device->dev;
501
502 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
503 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
504
505 error = input_register_device(jog_dev);
506 if (error)
507 goto err_free_jogdev;
508
509 sony_laptop_input.jog_dev = jog_dev;
510
511 return 0;
512
513 err_free_jogdev:
514 input_free_device(jog_dev);
515
516 err_unregister_keydev:
517 input_unregister_device(key_dev);
518 /* to avoid kref underflow below at input_free_device */
519 key_dev = NULL;
520
521 err_free_keydev:
522 input_free_device(key_dev);
523
524 err_free_kfifo:
525 kfifo_free(&sony_laptop_input.fifo);
526
527 err_dec_users:
528 atomic_dec(&sony_laptop_input.users);
529 return error;
530 }
531
532 static void sony_laptop_remove_input(void)
533 {
534 struct sony_laptop_keypress kp = { NULL };
535
536 /* Cleanup only after the last user has gone */
537 if (!atomic_dec_and_test(&sony_laptop_input.users))
538 return;
539
540 del_timer_sync(&sony_laptop_input.release_key_timer);
541
542 /*
543 * Generate key-up events for remaining keys. Note that we don't
544 * need locking since nobody is adding new events to the kfifo.
545 */
546 while (kfifo_out(&sony_laptop_input.fifo,
547 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
548 input_report_key(kp.dev, kp.key, 0);
549 input_sync(kp.dev);
550 }
551
552 /* destroy input devs */
553 input_unregister_device(sony_laptop_input.key_dev);
554 sony_laptop_input.key_dev = NULL;
555
556 if (sony_laptop_input.jog_dev) {
557 input_unregister_device(sony_laptop_input.jog_dev);
558 sony_laptop_input.jog_dev = NULL;
559 }
560
561 kfifo_free(&sony_laptop_input.fifo);
562 }
563
564 /*********** Platform Device ***********/
565
566 static atomic_t sony_pf_users = ATOMIC_INIT(0);
567 static struct platform_driver sony_pf_driver = {
568 .driver = {
569 .name = "sony-laptop",
570 .owner = THIS_MODULE,
571 }
572 };
573 static struct platform_device *sony_pf_device;
574
575 static int sony_pf_add(void)
576 {
577 int ret = 0;
578
579 /* don't run again if already initialized */
580 if (atomic_add_return(1, &sony_pf_users) > 1)
581 return 0;
582
583 ret = platform_driver_register(&sony_pf_driver);
584 if (ret)
585 goto out;
586
587 sony_pf_device = platform_device_alloc("sony-laptop", -1);
588 if (!sony_pf_device) {
589 ret = -ENOMEM;
590 goto out_platform_registered;
591 }
592
593 ret = platform_device_add(sony_pf_device);
594 if (ret)
595 goto out_platform_alloced;
596
597 return 0;
598
599 out_platform_alloced:
600 platform_device_put(sony_pf_device);
601 sony_pf_device = NULL;
602 out_platform_registered:
603 platform_driver_unregister(&sony_pf_driver);
604 out:
605 atomic_dec(&sony_pf_users);
606 return ret;
607 }
608
609 static void sony_pf_remove(void)
610 {
611 /* deregister only after the last user has gone */
612 if (!atomic_dec_and_test(&sony_pf_users))
613 return;
614
615 platform_device_unregister(sony_pf_device);
616 platform_driver_unregister(&sony_pf_driver);
617 }
618
619 /*********** SNC (SNY5001) Device ***********/
620
621 /* the device uses 1-based values, while the backlight subsystem uses
622 0-based values */
623 #define SONY_MAX_BRIGHTNESS 8
624
625 #define SNC_VALIDATE_IN 0
626 #define SNC_VALIDATE_OUT 1
627
628 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
629 char *);
630 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
631 const char *, size_t);
632 static int boolean_validate(const int, const int);
633 static int brightness_default_validate(const int, const int);
634
635 struct sony_nc_value {
636 char *name; /* name of the entry */
637 char **acpiget; /* names of the ACPI get function */
638 char **acpiset; /* names of the ACPI set function */
639 int (*validate)(const int, const int); /* input/output validation */
640 int value; /* current setting */
641 int valid; /* Has ever been set */
642 int debug; /* active only in debug mode ? */
643 struct device_attribute devattr; /* sysfs attribute */
644 };
645
646 #define SNC_HANDLE_NAMES(_name, _values...) \
647 static char *snc_##_name[] = { _values, NULL }
648
649 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
650 { \
651 .name = __stringify(_name), \
652 .acpiget = _getters, \
653 .acpiset = _setters, \
654 .validate = _validate, \
655 .debug = _debug, \
656 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
657 }
658
659 #define SNC_HANDLE_NULL { .name = NULL }
660
661 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
662
663 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
664 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
665
666 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
667 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
668
669 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
670 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
671
672 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
673 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
674
675 SNC_HANDLE_NAMES(lidstate_get, "GLID");
676
677 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
678 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
679
680 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
681 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
682
683 SNC_HANDLE_NAMES(PID_get, "GPID");
684
685 SNC_HANDLE_NAMES(CTR_get, "GCTR");
686 SNC_HANDLE_NAMES(CTR_set, "SCTR");
687
688 SNC_HANDLE_NAMES(PCR_get, "GPCR");
689 SNC_HANDLE_NAMES(PCR_set, "SPCR");
690
691 SNC_HANDLE_NAMES(CMI_get, "GCMI");
692 SNC_HANDLE_NAMES(CMI_set, "SCMI");
693
694 static struct sony_nc_value sony_nc_values[] = {
695 SNC_HANDLE(brightness_default, snc_brightness_def_get,
696 snc_brightness_def_set, brightness_default_validate, 0),
697 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
698 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
699 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
700 boolean_validate, 0),
701 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
702 boolean_validate, 1),
703 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
704 boolean_validate, 0),
705 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
706 boolean_validate, 0),
707 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
708 boolean_validate, 0),
709 /* unknown methods */
710 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
711 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
712 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
713 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
714 SNC_HANDLE_NULL
715 };
716
717 static acpi_handle sony_nc_acpi_handle;
718 static struct acpi_device *sony_nc_acpi_device = NULL;
719
720 /*
721 * acpi_evaluate_object wrappers
722 * all useful calls into SNC methods take one or zero parameters and return
723 * integers or arrays.
724 */
725 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
726 u64 *value)
727 {
728 union acpi_object *result = NULL;
729 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
730 acpi_status status;
731
732 if (value) {
733 struct acpi_object_list params;
734 union acpi_object in;
735 in.type = ACPI_TYPE_INTEGER;
736 in.integer.value = *value;
737 params.count = 1;
738 params.pointer = &in;
739 status = acpi_evaluate_object(handle, method, &params, &output);
740 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
741 (unsigned int)(*value >> 32),
742 (unsigned int)*value & 0xffffffff);
743 } else {
744 status = acpi_evaluate_object(handle, method, NULL, &output);
745 dprintk("__call_snc_method: [%s]\n", method);
746 }
747
748 if (ACPI_FAILURE(status)) {
749 pr_err("Failed to evaluate [%s]\n", method);
750 return NULL;
751 }
752
753 result = (union acpi_object *) output.pointer;
754 if (!result)
755 dprintk("No return object [%s]\n", method);
756
757 return result;
758 }
759
760 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
761 int *result)
762 {
763 union acpi_object *object = NULL;
764 if (value) {
765 u64 v = *value;
766 object = __call_snc_method(handle, name, &v);
767 } else
768 object = __call_snc_method(handle, name, NULL);
769
770 if (!object)
771 return -EINVAL;
772
773 if (object->type != ACPI_TYPE_INTEGER) {
774 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
775 ACPI_TYPE_INTEGER, object->type);
776 kfree(object);
777 return -EINVAL;
778 }
779
780 if (result)
781 *result = object->integer.value;
782
783 kfree(object);
784 return 0;
785 }
786
787 #define MIN(a, b) (a > b ? b : a)
788 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
789 void *buffer, size_t buflen)
790 {
791 int ret = 0;
792 size_t len;
793 union acpi_object *object = __call_snc_method(handle, name, value);
794
795 if (!object)
796 return -EINVAL;
797
798 if (object->type == ACPI_TYPE_BUFFER) {
799 len = MIN(buflen, object->buffer.length);
800 memcpy(buffer, object->buffer.pointer, len);
801
802 } else if (object->type == ACPI_TYPE_INTEGER) {
803 len = MIN(buflen, sizeof(object->integer.value));
804 memcpy(buffer, &object->integer.value, len);
805
806 } else {
807 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
808 ACPI_TYPE_BUFFER, object->type);
809 ret = -EINVAL;
810 }
811
812 kfree(object);
813 return ret;
814 }
815
816 struct sony_nc_handles {
817 u16 cap[0x10];
818 struct device_attribute devattr;
819 };
820
821 static struct sony_nc_handles *handles;
822
823 static ssize_t sony_nc_handles_show(struct device *dev,
824 struct device_attribute *attr, char *buffer)
825 {
826 ssize_t len = 0;
827 int i;
828
829 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
830 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
831 handles->cap[i]);
832 }
833 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
834
835 return len;
836 }
837
838 static int sony_nc_handles_setup(struct platform_device *pd)
839 {
840 int i, r, result, arg;
841
842 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
843 if (!handles)
844 return -ENOMEM;
845
846 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
847 arg = i + 0x20;
848 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
849 &result);
850 if (!r) {
851 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
852 result, i);
853 handles->cap[i] = result;
854 }
855 }
856
857 if (debug) {
858 sysfs_attr_init(&handles->devattr.attr);
859 handles->devattr.attr.name = "handles";
860 handles->devattr.attr.mode = S_IRUGO;
861 handles->devattr.show = sony_nc_handles_show;
862
863 /* allow reading capabilities via sysfs */
864 if (device_create_file(&pd->dev, &handles->devattr)) {
865 kfree(handles);
866 handles = NULL;
867 return -1;
868 }
869 }
870
871 return 0;
872 }
873
874 static int sony_nc_handles_cleanup(struct platform_device *pd)
875 {
876 if (handles) {
877 if (debug)
878 device_remove_file(&pd->dev, &handles->devattr);
879 kfree(handles);
880 handles = NULL;
881 }
882 return 0;
883 }
884
885 static int sony_find_snc_handle(int handle)
886 {
887 int i;
888
889 /* not initialized yet, return early */
890 if (!handles || !handle)
891 return -EINVAL;
892
893 for (i = 0; i < 0x10; i++) {
894 if (handles->cap[i] == handle) {
895 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
896 handle, i);
897 return i;
898 }
899 }
900 dprintk("handle 0x%.4x not found\n", handle);
901 return -EINVAL;
902 }
903
904 static int sony_call_snc_handle(int handle, int argument, int *result)
905 {
906 int arg, ret = 0;
907 int offset = sony_find_snc_handle(handle);
908
909 if (offset < 0)
910 return offset;
911
912 arg = offset | argument;
913 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
914 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
915 return ret;
916 }
917
918 /*
919 * sony_nc_values input/output validate functions
920 */
921
922 /* brightness_default_validate:
923 *
924 * manipulate input output values to keep consistency with the
925 * backlight framework for which brightness values are 0-based.
926 */
927 static int brightness_default_validate(const int direction, const int value)
928 {
929 switch (direction) {
930 case SNC_VALIDATE_OUT:
931 return value - 1;
932 case SNC_VALIDATE_IN:
933 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
934 return value + 1;
935 }
936 return -EINVAL;
937 }
938
939 /* boolean_validate:
940 *
941 * on input validate boolean values 0/1, on output just pass the
942 * received value.
943 */
944 static int boolean_validate(const int direction, const int value)
945 {
946 if (direction == SNC_VALIDATE_IN) {
947 if (value != 0 && value != 1)
948 return -EINVAL;
949 }
950 return value;
951 }
952
953 /*
954 * Sysfs show/store common to all sony_nc_values
955 */
956 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
957 char *buffer)
958 {
959 int value, ret = 0;
960 struct sony_nc_value *item =
961 container_of(attr, struct sony_nc_value, devattr);
962
963 if (!*item->acpiget)
964 return -EIO;
965
966 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
967 &value);
968 if (ret < 0)
969 return -EIO;
970
971 if (item->validate)
972 value = item->validate(SNC_VALIDATE_OUT, value);
973
974 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
975 }
976
977 static ssize_t sony_nc_sysfs_store(struct device *dev,
978 struct device_attribute *attr,
979 const char *buffer, size_t count)
980 {
981 int value;
982 int ret = 0;
983 struct sony_nc_value *item =
984 container_of(attr, struct sony_nc_value, devattr);
985
986 if (!item->acpiset)
987 return -EIO;
988
989 if (count > 31)
990 return -EINVAL;
991
992 if (kstrtoint(buffer, 10, &value))
993 return -EINVAL;
994
995 if (item->validate)
996 value = item->validate(SNC_VALIDATE_IN, value);
997
998 if (value < 0)
999 return value;
1000
1001 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1002 &value, NULL);
1003 if (ret < 0)
1004 return -EIO;
1005
1006 item->value = value;
1007 item->valid = 1;
1008 return count;
1009 }
1010
1011
1012 /*
1013 * Backlight device
1014 */
1015 struct sony_backlight_props {
1016 struct backlight_device *dev;
1017 int handle;
1018 int cmd_base;
1019 u8 offset;
1020 u8 maxlvl;
1021 };
1022 struct sony_backlight_props sony_bl_props;
1023
1024 static int sony_backlight_update_status(struct backlight_device *bd)
1025 {
1026 int arg = bd->props.brightness + 1;
1027 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1028 }
1029
1030 static int sony_backlight_get_brightness(struct backlight_device *bd)
1031 {
1032 int value;
1033
1034 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1035 return 0;
1036 /* brightness levels are 1-based, while backlight ones are 0-based */
1037 return value - 1;
1038 }
1039
1040 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1041 {
1042 int result;
1043 struct sony_backlight_props *sdev =
1044 (struct sony_backlight_props *)bl_get_data(bd);
1045
1046 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1047
1048 return (result & 0xff) - sdev->offset;
1049 }
1050
1051 static int sony_nc_update_status_ng(struct backlight_device *bd)
1052 {
1053 int value, result;
1054 struct sony_backlight_props *sdev =
1055 (struct sony_backlight_props *)bl_get_data(bd);
1056
1057 value = bd->props.brightness + sdev->offset;
1058 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1059 &result))
1060 return -EIO;
1061
1062 return value;
1063 }
1064
1065 static const struct backlight_ops sony_backlight_ops = {
1066 .options = BL_CORE_SUSPENDRESUME,
1067 .update_status = sony_backlight_update_status,
1068 .get_brightness = sony_backlight_get_brightness,
1069 };
1070 static const struct backlight_ops sony_backlight_ng_ops = {
1071 .options = BL_CORE_SUSPENDRESUME,
1072 .update_status = sony_nc_update_status_ng,
1073 .get_brightness = sony_nc_get_brightness_ng,
1074 };
1075
1076 /*
1077 * New SNC-only Vaios event mapping to driver known keys
1078 */
1079 struct sony_nc_event {
1080 u8 data;
1081 u8 event;
1082 };
1083
1084 static struct sony_nc_event sony_100_events[] = {
1085 { 0x90, SONYPI_EVENT_PKEY_P1 },
1086 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1087 { 0x91, SONYPI_EVENT_PKEY_P2 },
1088 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1089 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1090 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1091 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1092 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1093 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1094 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1095 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1096 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1097 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1098 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1099 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1100 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1101 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1102 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1103 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1104 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1106 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1108 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1110 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1111 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1112 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1113 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1114 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1115 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1116 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1117 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1118 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1119 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1120 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1121 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1122 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1123 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1124 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1125 { 0, 0 },
1126 };
1127
1128 static struct sony_nc_event sony_127_events[] = {
1129 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1130 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 { 0x82, SONYPI_EVENT_PKEY_P1 },
1132 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0x83, SONYPI_EVENT_PKEY_P2 },
1134 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0x84, SONYPI_EVENT_PKEY_P3 },
1136 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0x85, SONYPI_EVENT_PKEY_P4 },
1138 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 { 0x86, SONYPI_EVENT_PKEY_P5 },
1140 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1142 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1143 { 0, 0 },
1144 };
1145
1146 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1147 {
1148 int ret = -EINVAL;
1149 unsigned int result = 0;
1150 struct sony_nc_event *key_event;
1151
1152 if (sony_call_snc_handle(handle, 0x200, &result)) {
1153 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1154 event);
1155 return -EINVAL;
1156 }
1157
1158 result &= 0xFF;
1159
1160 if (handle == 0x0100)
1161 key_event = sony_100_events;
1162 else
1163 key_event = sony_127_events;
1164
1165 for (; key_event->data; key_event++) {
1166 if (key_event->data == result) {
1167 ret = key_event->event;
1168 break;
1169 }
1170 }
1171
1172 if (!key_event->data)
1173 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1174 event, result, handle);
1175
1176 return ret;
1177 }
1178
1179 /*
1180 * ACPI callbacks
1181 */
1182 enum event_types {
1183 HOTKEY = 1,
1184 KILLSWITCH,
1185 GFX_SWITCH
1186 };
1187 static void sony_nc_notify(struct acpi_device *device, u32 event)
1188 {
1189 u32 real_ev = event;
1190 u8 ev_type = 0;
1191 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1192
1193 if (event >= 0x90) {
1194 unsigned int result = 0;
1195 unsigned int arg = 0;
1196 unsigned int handle = 0;
1197 unsigned int offset = event - 0x90;
1198
1199 if (offset >= ARRAY_SIZE(handles->cap)) {
1200 pr_err("Event 0x%x outside of capabilities list\n",
1201 event);
1202 return;
1203 }
1204 handle = handles->cap[offset];
1205
1206 /* list of handles known for generating events */
1207 switch (handle) {
1208 /* hotkey event */
1209 case 0x0100:
1210 case 0x0127:
1211 ev_type = HOTKEY;
1212 real_ev = sony_nc_hotkeys_decode(event, handle);
1213
1214 if (real_ev > 0)
1215 sony_laptop_report_input_event(real_ev);
1216 else
1217 /* restore the original event for reporting */
1218 real_ev = event;
1219
1220 break;
1221
1222 /* wlan switch */
1223 case 0x0124:
1224 case 0x0135:
1225 /* events on this handle are reported when the
1226 * switch changes position or for battery
1227 * events. We'll notify both of them but only
1228 * update the rfkill device status when the
1229 * switch is moved.
1230 */
1231 ev_type = KILLSWITCH;
1232 sony_call_snc_handle(handle, 0x0100, &result);
1233 real_ev = result & 0x03;
1234
1235 /* hw switch event */
1236 if (real_ev == 1)
1237 sony_nc_rfkill_update();
1238
1239 break;
1240
1241 case 0x0128:
1242 case 0x0146:
1243 /* Hybrid GFX switching */
1244 sony_call_snc_handle(handle, 0x0000, &result);
1245 dprintk("GFX switch event received (reason: %s)\n",
1246 (result == 0x1) ? "switch change" :
1247 (result == 0x2) ? "output switch" :
1248 (result == 0x3) ? "output switch" :
1249 "");
1250
1251 ev_type = GFX_SWITCH;
1252 real_ev = __sony_nc_gfx_switch_status_get();
1253 break;
1254
1255 case 0x015B:
1256 /* Hybrid GFX switching SVS151290S */
1257 ev_type = GFX_SWITCH;
1258 real_ev = __sony_nc_gfx_switch_status_get();
1259 break;
1260 default:
1261 dprintk("Unknown event 0x%x for handle 0x%x\n",
1262 event, handle);
1263 break;
1264 }
1265
1266 /* clear the event (and the event reason when present) */
1267 arg = 1 << offset;
1268 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1269
1270 } else {
1271 /* old style event */
1272 ev_type = HOTKEY;
1273 sony_laptop_report_input_event(real_ev);
1274 }
1275 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1276 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1277 }
1278
1279 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1280 void *context, void **return_value)
1281 {
1282 struct acpi_device_info *info;
1283
1284 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1285 pr_warn("method: name: %4.4s, args %X\n",
1286 (char *)&info->name, info->param_count);
1287
1288 kfree(info);
1289 }
1290
1291 return AE_OK;
1292 }
1293
1294 /*
1295 * ACPI device
1296 */
1297 static void sony_nc_function_setup(struct acpi_device *device,
1298 struct platform_device *pf_device)
1299 {
1300 unsigned int i, result, bitmask, arg;
1301
1302 if (!handles)
1303 return;
1304
1305 /* setup found handles here */
1306 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1307 unsigned int handle = handles->cap[i];
1308
1309 if (!handle)
1310 continue;
1311
1312 dprintk("setting up handle 0x%.4x\n", handle);
1313
1314 switch (handle) {
1315 case 0x0100:
1316 case 0x0101:
1317 case 0x0127:
1318 /* setup hotkeys */
1319 sony_call_snc_handle(handle, 0, &result);
1320 break;
1321 case 0x0102:
1322 /* setup hotkeys */
1323 sony_call_snc_handle(handle, 0x100, &result);
1324 break;
1325 case 0x0105:
1326 case 0x0148:
1327 /* touchpad enable/disable */
1328 result = sony_nc_touchpad_setup(pf_device, handle);
1329 if (result)
1330 pr_err("couldn't set up touchpad control function (%d)\n",
1331 result);
1332 break;
1333 case 0x0115:
1334 case 0x0136:
1335 case 0x013f:
1336 result = sony_nc_battery_care_setup(pf_device, handle);
1337 if (result)
1338 pr_err("couldn't set up battery care function (%d)\n",
1339 result);
1340 break;
1341 case 0x0119:
1342 result = sony_nc_lid_resume_setup(pf_device);
1343 if (result)
1344 pr_err("couldn't set up lid resume function (%d)\n",
1345 result);
1346 break;
1347 case 0x0122:
1348 result = sony_nc_thermal_setup(pf_device);
1349 if (result)
1350 pr_err("couldn't set up thermal profile function (%d)\n",
1351 result);
1352 break;
1353 case 0x0128:
1354 case 0x0146:
1355 case 0x015B:
1356 result = sony_nc_gfx_switch_setup(pf_device, handle);
1357 if (result)
1358 pr_err("couldn't set up GFX Switch status (%d)\n",
1359 result);
1360 break;
1361 case 0x0131:
1362 result = sony_nc_highspeed_charging_setup(pf_device);
1363 if (result)
1364 pr_err("couldn't set up high speed charging function (%d)\n",
1365 result);
1366 break;
1367 case 0x0124:
1368 case 0x0135:
1369 result = sony_nc_rfkill_setup(device, handle);
1370 if (result)
1371 pr_err("couldn't set up rfkill support (%d)\n",
1372 result);
1373 break;
1374 case 0x0137:
1375 case 0x0143:
1376 case 0x014b:
1377 case 0x014c:
1378 case 0x0163:
1379 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1380 if (result)
1381 pr_err("couldn't set up keyboard backlight function (%d)\n",
1382 result);
1383 break;
1384 default:
1385 continue;
1386 }
1387 }
1388
1389 /* Enable all events */
1390 arg = 0x10;
1391 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1392 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1393 &result);
1394 }
1395
1396 static void sony_nc_function_cleanup(struct platform_device *pd)
1397 {
1398 unsigned int i, result, bitmask, handle;
1399
1400 /* get enabled events and disable them */
1401 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1402 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1403
1404 /* cleanup handles here */
1405 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1406
1407 handle = handles->cap[i];
1408
1409 if (!handle)
1410 continue;
1411
1412 switch (handle) {
1413 case 0x0105:
1414 case 0x0148:
1415 sony_nc_touchpad_cleanup(pd);
1416 break;
1417 case 0x0115:
1418 case 0x0136:
1419 case 0x013f:
1420 sony_nc_battery_care_cleanup(pd);
1421 break;
1422 case 0x0119:
1423 sony_nc_lid_resume_cleanup(pd);
1424 break;
1425 case 0x0122:
1426 sony_nc_thermal_cleanup(pd);
1427 break;
1428 case 0x0128:
1429 case 0x0146:
1430 case 0x015B:
1431 sony_nc_gfx_switch_cleanup(pd);
1432 break;
1433 case 0x0131:
1434 sony_nc_highspeed_charging_cleanup(pd);
1435 break;
1436 case 0x0124:
1437 case 0x0135:
1438 sony_nc_rfkill_cleanup();
1439 break;
1440 case 0x0137:
1441 case 0x0143:
1442 case 0x014b:
1443 case 0x014c:
1444 case 0x0163:
1445 sony_nc_kbd_backlight_cleanup(pd, handle);
1446 break;
1447 default:
1448 continue;
1449 }
1450 }
1451
1452 /* finally cleanup the handles list */
1453 sony_nc_handles_cleanup(pd);
1454 }
1455
1456 #ifdef CONFIG_PM_SLEEP
1457 static void sony_nc_function_resume(void)
1458 {
1459 unsigned int i, result, bitmask, arg;
1460
1461 dprintk("Resuming SNC device\n");
1462
1463 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1464 unsigned int handle = handles->cap[i];
1465
1466 if (!handle)
1467 continue;
1468
1469 switch (handle) {
1470 case 0x0100:
1471 case 0x0101:
1472 case 0x0127:
1473 /* re-enable hotkeys */
1474 sony_call_snc_handle(handle, 0, &result);
1475 break;
1476 case 0x0102:
1477 /* re-enable hotkeys */
1478 sony_call_snc_handle(handle, 0x100, &result);
1479 break;
1480 case 0x0122:
1481 sony_nc_thermal_resume();
1482 break;
1483 case 0x0124:
1484 case 0x0135:
1485 sony_nc_rfkill_update();
1486 break;
1487 default:
1488 continue;
1489 }
1490 }
1491
1492 /* Enable all events */
1493 arg = 0x10;
1494 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1495 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1496 &result);
1497 }
1498
1499 static int sony_nc_resume(struct device *dev)
1500 {
1501 struct sony_nc_value *item;
1502
1503 for (item = sony_nc_values; item->name; item++) {
1504 int ret;
1505
1506 if (!item->valid)
1507 continue;
1508 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1509 &item->value, NULL);
1510 if (ret < 0) {
1511 pr_err("%s: %d\n", __func__, ret);
1512 break;
1513 }
1514 }
1515
1516 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1517 int arg = 1;
1518 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1519 dprintk("ECON Method failed\n");
1520 }
1521
1522 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1523 sony_nc_function_resume();
1524
1525 return 0;
1526 }
1527 #endif
1528
1529 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1530
1531 static void sony_nc_rfkill_cleanup(void)
1532 {
1533 int i;
1534
1535 for (i = 0; i < N_SONY_RFKILL; i++) {
1536 if (sony_rfkill_devices[i]) {
1537 rfkill_unregister(sony_rfkill_devices[i]);
1538 rfkill_destroy(sony_rfkill_devices[i]);
1539 }
1540 }
1541 }
1542
1543 static int sony_nc_rfkill_set(void *data, bool blocked)
1544 {
1545 int result;
1546 int argument = sony_rfkill_address[(long) data] + 0x100;
1547
1548 if (!blocked)
1549 argument |= 0x070000;
1550
1551 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1552 }
1553
1554 static const struct rfkill_ops sony_rfkill_ops = {
1555 .set_block = sony_nc_rfkill_set,
1556 };
1557
1558 static int sony_nc_setup_rfkill(struct acpi_device *device,
1559 enum sony_nc_rfkill nc_type)
1560 {
1561 int err = 0;
1562 struct rfkill *rfk;
1563 enum rfkill_type type;
1564 const char *name;
1565 int result;
1566 bool hwblock, swblock;
1567
1568 switch (nc_type) {
1569 case SONY_WIFI:
1570 type = RFKILL_TYPE_WLAN;
1571 name = "sony-wifi";
1572 break;
1573 case SONY_BLUETOOTH:
1574 type = RFKILL_TYPE_BLUETOOTH;
1575 name = "sony-bluetooth";
1576 break;
1577 case SONY_WWAN:
1578 type = RFKILL_TYPE_WWAN;
1579 name = "sony-wwan";
1580 break;
1581 case SONY_WIMAX:
1582 type = RFKILL_TYPE_WIMAX;
1583 name = "sony-wimax";
1584 break;
1585 default:
1586 return -EINVAL;
1587 }
1588
1589 rfk = rfkill_alloc(name, &device->dev, type,
1590 &sony_rfkill_ops, (void *)nc_type);
1591 if (!rfk)
1592 return -ENOMEM;
1593
1594 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1595 rfkill_destroy(rfk);
1596 return -1;
1597 }
1598 hwblock = !(result & 0x1);
1599
1600 if (sony_call_snc_handle(sony_rfkill_handle,
1601 sony_rfkill_address[nc_type],
1602 &result) < 0) {
1603 rfkill_destroy(rfk);
1604 return -1;
1605 }
1606 swblock = !(result & 0x2);
1607
1608 rfkill_init_sw_state(rfk, swblock);
1609 rfkill_set_hw_state(rfk, hwblock);
1610
1611 err = rfkill_register(rfk);
1612 if (err) {
1613 rfkill_destroy(rfk);
1614 return err;
1615 }
1616 sony_rfkill_devices[nc_type] = rfk;
1617 return err;
1618 }
1619
1620 static void sony_nc_rfkill_update(void)
1621 {
1622 enum sony_nc_rfkill i;
1623 int result;
1624 bool hwblock;
1625
1626 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1627 hwblock = !(result & 0x1);
1628
1629 for (i = 0; i < N_SONY_RFKILL; i++) {
1630 int argument = sony_rfkill_address[i];
1631
1632 if (!sony_rfkill_devices[i])
1633 continue;
1634
1635 if (hwblock) {
1636 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1637 /* we already know we're blocked */
1638 }
1639 continue;
1640 }
1641
1642 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1643 rfkill_set_states(sony_rfkill_devices[i],
1644 !(result & 0x2), false);
1645 }
1646 }
1647
1648 static int sony_nc_rfkill_setup(struct acpi_device *device,
1649 unsigned int handle)
1650 {
1651 u64 offset;
1652 int i;
1653 unsigned char buffer[32] = { 0 };
1654
1655 offset = sony_find_snc_handle(handle);
1656 sony_rfkill_handle = handle;
1657
1658 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1659 32);
1660 if (i < 0)
1661 return i;
1662
1663 /* The buffer is filled with magic numbers describing the devices
1664 * available, 0xff terminates the enumeration.
1665 * Known codes:
1666 * 0x00 WLAN
1667 * 0x10 BLUETOOTH
1668 * 0x20 WWAN GPRS-EDGE
1669 * 0x21 WWAN HSDPA
1670 * 0x22 WWAN EV-DO
1671 * 0x23 WWAN GPS
1672 * 0x25 Gobi WWAN no GPS
1673 * 0x26 Gobi WWAN + GPS
1674 * 0x28 Gobi WWAN no GPS
1675 * 0x29 Gobi WWAN + GPS
1676 * 0x30 WIMAX
1677 * 0x50 Gobi WWAN no GPS
1678 * 0x51 Gobi WWAN + GPS
1679 * 0x70 no SIM card slot
1680 * 0x71 SIM card slot
1681 */
1682 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1683
1684 if (buffer[i] == 0xff)
1685 break;
1686
1687 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1688
1689 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1690 sony_nc_setup_rfkill(device, SONY_WIFI);
1691
1692 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1693 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1694
1695 if (((0xf0 & buffer[i]) == 0x20 ||
1696 (0xf0 & buffer[i]) == 0x50) &&
1697 !sony_rfkill_devices[SONY_WWAN])
1698 sony_nc_setup_rfkill(device, SONY_WWAN);
1699
1700 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1701 sony_nc_setup_rfkill(device, SONY_WIMAX);
1702 }
1703 return 0;
1704 }
1705
1706 /* Keyboard backlight feature */
1707 struct kbd_backlight {
1708 unsigned int handle;
1709 unsigned int base;
1710 unsigned int mode;
1711 unsigned int timeout;
1712 struct device_attribute mode_attr;
1713 struct device_attribute timeout_attr;
1714 };
1715
1716 static struct kbd_backlight *kbdbl_ctl;
1717
1718 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1719 {
1720 int result;
1721
1722 if (value > 1)
1723 return -EINVAL;
1724
1725 if (sony_call_snc_handle(kbdbl_ctl->handle,
1726 (value << 0x10) | (kbdbl_ctl->base), &result))
1727 return -EIO;
1728
1729 /* Try to turn the light on/off immediately */
1730 sony_call_snc_handle(kbdbl_ctl->handle,
1731 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1732
1733 kbdbl_ctl->mode = value;
1734
1735 return 0;
1736 }
1737
1738 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1739 struct device_attribute *attr,
1740 const char *buffer, size_t count)
1741 {
1742 int ret = 0;
1743 unsigned long value;
1744
1745 if (count > 31)
1746 return -EINVAL;
1747
1748 if (kstrtoul(buffer, 10, &value))
1749 return -EINVAL;
1750
1751 ret = __sony_nc_kbd_backlight_mode_set(value);
1752 if (ret < 0)
1753 return ret;
1754
1755 return count;
1756 }
1757
1758 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1759 struct device_attribute *attr, char *buffer)
1760 {
1761 ssize_t count = 0;
1762 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1763 return count;
1764 }
1765
1766 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1767 {
1768 int result;
1769
1770 if (value > 3)
1771 return -EINVAL;
1772
1773 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1774 (kbdbl_ctl->base + 0x200), &result))
1775 return -EIO;
1776
1777 kbdbl_ctl->timeout = value;
1778
1779 return 0;
1780 }
1781
1782 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1783 struct device_attribute *attr,
1784 const char *buffer, size_t count)
1785 {
1786 int ret = 0;
1787 unsigned long value;
1788
1789 if (count > 31)
1790 return -EINVAL;
1791
1792 if (kstrtoul(buffer, 10, &value))
1793 return -EINVAL;
1794
1795 ret = __sony_nc_kbd_backlight_timeout_set(value);
1796 if (ret < 0)
1797 return ret;
1798
1799 return count;
1800 }
1801
1802 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1803 struct device_attribute *attr, char *buffer)
1804 {
1805 ssize_t count = 0;
1806 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1807 return count;
1808 }
1809
1810 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1811 unsigned int handle)
1812 {
1813 int result;
1814 int ret = 0;
1815
1816 if (kbdbl_ctl) {
1817 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1818 handle, kbdbl_ctl->handle);
1819 return -EBUSY;
1820 }
1821
1822 /* verify the kbd backlight presence, these handles are not used for
1823 * keyboard backlight only
1824 */
1825 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1826 &result);
1827 if (ret)
1828 return ret;
1829
1830 if ((handle == 0x0137 && !(result & 0x02)) ||
1831 !(result & 0x01)) {
1832 dprintk("no backlight keyboard found\n");
1833 return 0;
1834 }
1835
1836 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1837 if (!kbdbl_ctl)
1838 return -ENOMEM;
1839
1840 kbdbl_ctl->mode = kbd_backlight;
1841 kbdbl_ctl->timeout = kbd_backlight_timeout;
1842 kbdbl_ctl->handle = handle;
1843 if (handle == 0x0137)
1844 kbdbl_ctl->base = 0x0C00;
1845 else
1846 kbdbl_ctl->base = 0x4000;
1847
1848 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1849 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1850 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1851 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1852 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1853
1854 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1855 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1856 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1857 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1858 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1859
1860 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1861 if (ret)
1862 goto outkzalloc;
1863
1864 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1865 if (ret)
1866 goto outmode;
1867
1868 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1869 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1870
1871 return 0;
1872
1873 outmode:
1874 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1875 outkzalloc:
1876 kfree(kbdbl_ctl);
1877 kbdbl_ctl = NULL;
1878 return ret;
1879 }
1880
1881 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1882 unsigned int handle)
1883 {
1884 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1885 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1886 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1887 kfree(kbdbl_ctl);
1888 kbdbl_ctl = NULL;
1889 }
1890 }
1891
1892 struct battery_care_control {
1893 struct device_attribute attrs[2];
1894 unsigned int handle;
1895 };
1896 static struct battery_care_control *bcare_ctl;
1897
1898 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1899 struct device_attribute *attr,
1900 const char *buffer, size_t count)
1901 {
1902 unsigned int result, cmd;
1903 unsigned long value;
1904
1905 if (count > 31)
1906 return -EINVAL;
1907
1908 if (kstrtoul(buffer, 10, &value))
1909 return -EINVAL;
1910
1911 /* limit values (2 bits):
1912 * 00 - none
1913 * 01 - 80%
1914 * 10 - 50%
1915 * 11 - 100%
1916 *
1917 * bit 0: 0 disable BCL, 1 enable BCL
1918 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1919 * bits 2,3: reserved
1920 * bits 4,5: store the limit into the EC
1921 * bits 6,7: store the limit into the battery
1922 */
1923 cmd = 0;
1924
1925 if (value > 0) {
1926 if (value <= 50)
1927 cmd = 0x20;
1928
1929 else if (value <= 80)
1930 cmd = 0x10;
1931
1932 else if (value <= 100)
1933 cmd = 0x30;
1934
1935 else
1936 return -EINVAL;
1937
1938 /*
1939 * handle 0x0115 should allow storing on battery too;
1940 * handle 0x0136 same as 0x0115 + health status;
1941 * handle 0x013f, same as 0x0136 but no storing on the battery
1942 */
1943 if (bcare_ctl->handle != 0x013f)
1944 cmd = cmd | (cmd << 2);
1945
1946 cmd = (cmd | 0x1) << 0x10;
1947 }
1948
1949 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1950 return -EIO;
1951
1952 return count;
1953 }
1954
1955 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1956 struct device_attribute *attr, char *buffer)
1957 {
1958 unsigned int result, status;
1959
1960 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1961 return -EIO;
1962
1963 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1964 switch (status) {
1965 case 1:
1966 status = 80;
1967 break;
1968 case 2:
1969 status = 50;
1970 break;
1971 case 3:
1972 status = 100;
1973 break;
1974 default:
1975 status = 0;
1976 break;
1977 }
1978
1979 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
1980 }
1981
1982 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
1983 struct device_attribute *attr, char *buffer)
1984 {
1985 ssize_t count = 0;
1986 unsigned int health;
1987
1988 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
1989 return -EIO;
1990
1991 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
1992
1993 return count;
1994 }
1995
1996 static int sony_nc_battery_care_setup(struct platform_device *pd,
1997 unsigned int handle)
1998 {
1999 int ret = 0;
2000
2001 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2002 if (!bcare_ctl)
2003 return -ENOMEM;
2004
2005 bcare_ctl->handle = handle;
2006
2007 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2008 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2009 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2010 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2011 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2012
2013 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2014 if (ret)
2015 goto outkzalloc;
2016
2017 /* 0x0115 is for models with no health reporting capability */
2018 if (handle == 0x0115)
2019 return 0;
2020
2021 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2022 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2023 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2024 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2025
2026 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2027 if (ret)
2028 goto outlimiter;
2029
2030 return 0;
2031
2032 outlimiter:
2033 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2034
2035 outkzalloc:
2036 kfree(bcare_ctl);
2037 bcare_ctl = NULL;
2038
2039 return ret;
2040 }
2041
2042 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2043 {
2044 if (bcare_ctl) {
2045 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2046 if (bcare_ctl->handle != 0x0115)
2047 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2048
2049 kfree(bcare_ctl);
2050 bcare_ctl = NULL;
2051 }
2052 }
2053
2054 struct snc_thermal_ctrl {
2055 unsigned int mode;
2056 unsigned int profiles;
2057 struct device_attribute mode_attr;
2058 struct device_attribute profiles_attr;
2059 };
2060 static struct snc_thermal_ctrl *th_handle;
2061
2062 #define THM_PROFILE_MAX 3
2063 static const char * const snc_thermal_profiles[] = {
2064 "balanced",
2065 "silent",
2066 "performance"
2067 };
2068
2069 static int sony_nc_thermal_mode_set(unsigned short mode)
2070 {
2071 unsigned int result;
2072
2073 /* the thermal profile seems to be a two bit bitmask:
2074 * lsb -> silent
2075 * msb -> performance
2076 * no bit set is the normal operation and is always valid
2077 * Some vaio models only have "balanced" and "performance"
2078 */
2079 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2080 return -EINVAL;
2081
2082 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2083 return -EIO;
2084
2085 th_handle->mode = mode;
2086
2087 return 0;
2088 }
2089
2090 static int sony_nc_thermal_mode_get(void)
2091 {
2092 unsigned int result;
2093
2094 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2095 return -EIO;
2096
2097 return result & 0xff;
2098 }
2099
2100 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2101 struct device_attribute *attr, char *buffer)
2102 {
2103 short cnt;
2104 size_t idx = 0;
2105
2106 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2107 if (!cnt || (th_handle->profiles & cnt))
2108 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2109 snc_thermal_profiles[cnt]);
2110 }
2111 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2112
2113 return idx;
2114 }
2115
2116 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2117 struct device_attribute *attr,
2118 const char *buffer, size_t count)
2119 {
2120 unsigned short cmd;
2121 size_t len = count;
2122
2123 if (count == 0)
2124 return -EINVAL;
2125
2126 /* skip the newline if present */
2127 if (buffer[len - 1] == '\n')
2128 len--;
2129
2130 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2131 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2132 break;
2133
2134 if (sony_nc_thermal_mode_set(cmd))
2135 return -EIO;
2136
2137 return count;
2138 }
2139
2140 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2141 struct device_attribute *attr, char *buffer)
2142 {
2143 ssize_t count = 0;
2144 int mode = sony_nc_thermal_mode_get();
2145
2146 if (mode < 0)
2147 return mode;
2148
2149 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2150
2151 return count;
2152 }
2153
2154 static int sony_nc_thermal_setup(struct platform_device *pd)
2155 {
2156 int ret = 0;
2157 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2158 if (!th_handle)
2159 return -ENOMEM;
2160
2161 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2162 if (ret) {
2163 pr_warn("couldn't to read the thermal profiles\n");
2164 goto outkzalloc;
2165 }
2166
2167 ret = sony_nc_thermal_mode_get();
2168 if (ret < 0) {
2169 pr_warn("couldn't to read the current thermal profile");
2170 goto outkzalloc;
2171 }
2172 th_handle->mode = ret;
2173
2174 sysfs_attr_init(&th_handle->profiles_attr.attr);
2175 th_handle->profiles_attr.attr.name = "thermal_profiles";
2176 th_handle->profiles_attr.attr.mode = S_IRUGO;
2177 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2178
2179 sysfs_attr_init(&th_handle->mode_attr.attr);
2180 th_handle->mode_attr.attr.name = "thermal_control";
2181 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2182 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2183 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2184
2185 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2186 if (ret)
2187 goto outkzalloc;
2188
2189 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2190 if (ret)
2191 goto outprofiles;
2192
2193 return 0;
2194
2195 outprofiles:
2196 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2197 outkzalloc:
2198 kfree(th_handle);
2199 th_handle = NULL;
2200 return ret;
2201 }
2202
2203 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2204 {
2205 if (th_handle) {
2206 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2207 device_remove_file(&pd->dev, &th_handle->mode_attr);
2208 kfree(th_handle);
2209 th_handle = NULL;
2210 }
2211 }
2212
2213 #ifdef CONFIG_PM_SLEEP
2214 static void sony_nc_thermal_resume(void)
2215 {
2216 unsigned int status = sony_nc_thermal_mode_get();
2217
2218 if (status != th_handle->mode)
2219 sony_nc_thermal_mode_set(th_handle->mode);
2220 }
2221 #endif
2222
2223 /* resume on LID open */
2224 struct snc_lid_resume_control {
2225 struct device_attribute attrs[3];
2226 unsigned int status;
2227 };
2228 static struct snc_lid_resume_control *lid_ctl;
2229
2230 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2231 struct device_attribute *attr,
2232 const char *buffer, size_t count)
2233 {
2234 unsigned int result, pos;
2235 unsigned long value;
2236 if (count > 31)
2237 return -EINVAL;
2238
2239 if (kstrtoul(buffer, 10, &value) || value > 1)
2240 return -EINVAL;
2241
2242 /* the value we have to write to SNC is a bitmask:
2243 * +--------------+
2244 * | S3 | S4 | S5 |
2245 * +--------------+
2246 * 2 1 0
2247 */
2248 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2249 pos = 2;
2250 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2251 pos = 1;
2252 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2253 pos = 0;
2254 else
2255 return -EINVAL;
2256
2257 if (value)
2258 value = lid_ctl->status | (1 << pos);
2259 else
2260 value = lid_ctl->status & ~(1 << pos);
2261
2262 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2263 return -EIO;
2264
2265 lid_ctl->status = value;
2266
2267 return count;
2268 }
2269
2270 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2271 struct device_attribute *attr, char *buffer)
2272 {
2273 unsigned int pos;
2274
2275 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2276 pos = 2;
2277 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2278 pos = 1;
2279 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2280 pos = 0;
2281 else
2282 return -EINVAL;
2283
2284 return snprintf(buffer, PAGE_SIZE, "%d\n",
2285 (lid_ctl->status >> pos) & 0x01);
2286 }
2287
2288 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2289 {
2290 unsigned int result;
2291 int i;
2292
2293 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2294 return -EIO;
2295
2296 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2297 if (!lid_ctl)
2298 return -ENOMEM;
2299
2300 lid_ctl->status = result & 0x7;
2301
2302 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2303 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2304 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2305 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2306 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2307
2308 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2309 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2310 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2311 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2312 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2313
2314 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2315 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2316 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2317 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2318 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2319
2320 for (i = 0; i < 3; i++) {
2321 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2322 if (result)
2323 goto liderror;
2324 }
2325
2326 return 0;
2327
2328 liderror:
2329 for (i--; i >= 0; i--)
2330 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2331
2332 kfree(lid_ctl);
2333 lid_ctl = NULL;
2334
2335 return result;
2336 }
2337
2338 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2339 {
2340 int i;
2341
2342 if (lid_ctl) {
2343 for (i = 0; i < 3; i++)
2344 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2345
2346 kfree(lid_ctl);
2347 lid_ctl = NULL;
2348 }
2349 }
2350
2351 /* GFX Switch position */
2352 enum gfx_switch {
2353 SPEED,
2354 STAMINA,
2355 AUTO
2356 };
2357 struct snc_gfx_switch_control {
2358 struct device_attribute attr;
2359 unsigned int handle;
2360 };
2361 static struct snc_gfx_switch_control *gfxs_ctl;
2362
2363 /* returns 0 for speed, 1 for stamina */
2364 static int __sony_nc_gfx_switch_status_get(void)
2365 {
2366 unsigned int result;
2367
2368 if (sony_call_snc_handle(gfxs_ctl->handle,
2369 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2370 &result))
2371 return -EIO;
2372
2373 switch (gfxs_ctl->handle) {
2374 case 0x0146:
2375 /* 1: discrete GFX (speed)
2376 * 0: integrated GFX (stamina)
2377 */
2378 return result & 0x1 ? SPEED : STAMINA;
2379 break;
2380 case 0x015B:
2381 /* 0: discrete GFX (speed)
2382 * 1: integrated GFX (stamina)
2383 */
2384 return result & 0x1 ? STAMINA : SPEED;
2385 break;
2386 case 0x0128:
2387 /* it's a more elaborated bitmask, for now:
2388 * 2: integrated GFX (stamina)
2389 * 0: discrete GFX (speed)
2390 */
2391 dprintk("GFX Status: 0x%x\n", result);
2392 return result & 0x80 ? AUTO :
2393 result & 0x02 ? STAMINA : SPEED;
2394 break;
2395 }
2396 return -EINVAL;
2397 }
2398
2399 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2400 struct device_attribute *attr,
2401 char *buffer)
2402 {
2403 int pos = __sony_nc_gfx_switch_status_get();
2404
2405 if (pos < 0)
2406 return pos;
2407
2408 return snprintf(buffer, PAGE_SIZE, "%s\n",
2409 pos == SPEED ? "speed" :
2410 pos == STAMINA ? "stamina" :
2411 pos == AUTO ? "auto" : "unknown");
2412 }
2413
2414 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2415 unsigned int handle)
2416 {
2417 unsigned int result;
2418
2419 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2420 if (!gfxs_ctl)
2421 return -ENOMEM;
2422
2423 gfxs_ctl->handle = handle;
2424
2425 sysfs_attr_init(&gfxs_ctl->attr.attr);
2426 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2427 gfxs_ctl->attr.attr.mode = S_IRUGO;
2428 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2429
2430 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2431 if (result)
2432 goto gfxerror;
2433
2434 return 0;
2435
2436 gfxerror:
2437 kfree(gfxs_ctl);
2438 gfxs_ctl = NULL;
2439
2440 return result;
2441 }
2442
2443 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2444 {
2445 if (gfxs_ctl) {
2446 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2447
2448 kfree(gfxs_ctl);
2449 gfxs_ctl = NULL;
2450 }
2451 }
2452
2453 /* High speed charging function */
2454 static struct device_attribute *hsc_handle;
2455
2456 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2457 struct device_attribute *attr,
2458 const char *buffer, size_t count)
2459 {
2460 unsigned int result;
2461 unsigned long value;
2462
2463 if (count > 31)
2464 return -EINVAL;
2465
2466 if (kstrtoul(buffer, 10, &value) || value > 1)
2467 return -EINVAL;
2468
2469 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2470 return -EIO;
2471
2472 return count;
2473 }
2474
2475 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2476 struct device_attribute *attr, char *buffer)
2477 {
2478 unsigned int result;
2479
2480 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2481 return -EIO;
2482
2483 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2484 }
2485
2486 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2487 {
2488 unsigned int result;
2489
2490 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2491 /* some models advertise the handle but have no implementation
2492 * for it
2493 */
2494 pr_info("No High Speed Charging capability found\n");
2495 return 0;
2496 }
2497
2498 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2499 if (!hsc_handle)
2500 return -ENOMEM;
2501
2502 sysfs_attr_init(&hsc_handle->attr);
2503 hsc_handle->attr.name = "battery_highspeed_charging";
2504 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2505 hsc_handle->show = sony_nc_highspeed_charging_show;
2506 hsc_handle->store = sony_nc_highspeed_charging_store;
2507
2508 result = device_create_file(&pd->dev, hsc_handle);
2509 if (result) {
2510 kfree(hsc_handle);
2511 hsc_handle = NULL;
2512 return result;
2513 }
2514
2515 return 0;
2516 }
2517
2518 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2519 {
2520 if (hsc_handle) {
2521 device_remove_file(&pd->dev, hsc_handle);
2522 kfree(hsc_handle);
2523 hsc_handle = NULL;
2524 }
2525 }
2526
2527 /* Touchpad enable/disable */
2528 struct touchpad_control {
2529 struct device_attribute attr;
2530 int handle;
2531 };
2532 static struct touchpad_control *tp_ctl;
2533
2534 static ssize_t sony_nc_touchpad_store(struct device *dev,
2535 struct device_attribute *attr, const char *buffer, size_t count)
2536 {
2537 unsigned int result;
2538 unsigned long value;
2539
2540 if (count > 31)
2541 return -EINVAL;
2542
2543 if (kstrtoul(buffer, 10, &value) || value > 1)
2544 return -EINVAL;
2545
2546 /* sysfs: 0 disabled, 1 enabled
2547 * EC: 0 enabled, 1 disabled
2548 */
2549 if (sony_call_snc_handle(tp_ctl->handle,
2550 (!value << 0x10) | 0x100, &result))
2551 return -EIO;
2552
2553 return count;
2554 }
2555
2556 static ssize_t sony_nc_touchpad_show(struct device *dev,
2557 struct device_attribute *attr, char *buffer)
2558 {
2559 unsigned int result;
2560
2561 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2562 return -EINVAL;
2563
2564 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2565 }
2566
2567 static int sony_nc_touchpad_setup(struct platform_device *pd,
2568 unsigned int handle)
2569 {
2570 int ret = 0;
2571
2572 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2573 if (!tp_ctl)
2574 return -ENOMEM;
2575
2576 tp_ctl->handle = handle;
2577
2578 sysfs_attr_init(&tp_ctl->attr.attr);
2579 tp_ctl->attr.attr.name = "touchpad";
2580 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2581 tp_ctl->attr.show = sony_nc_touchpad_show;
2582 tp_ctl->attr.store = sony_nc_touchpad_store;
2583
2584 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2585 if (ret) {
2586 kfree(tp_ctl);
2587 tp_ctl = NULL;
2588 }
2589
2590 return ret;
2591 }
2592
2593 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2594 {
2595 if (tp_ctl) {
2596 device_remove_file(&pd->dev, &tp_ctl->attr);
2597 kfree(tp_ctl);
2598 tp_ctl = NULL;
2599 }
2600 }
2601
2602 static void sony_nc_backlight_ng_read_limits(int handle,
2603 struct sony_backlight_props *props)
2604 {
2605 u64 offset;
2606 int i;
2607 int lvl_table_len = 0;
2608 u8 min = 0xff, max = 0x00;
2609 unsigned char buffer[32] = { 0 };
2610
2611 props->handle = handle;
2612 props->offset = 0;
2613 props->maxlvl = 0xff;
2614
2615 offset = sony_find_snc_handle(handle);
2616
2617 /* try to read the boundaries from ACPI tables, if we fail the above
2618 * defaults should be reasonable
2619 */
2620 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2621 32);
2622 if (i < 0)
2623 return;
2624
2625 switch (handle) {
2626 case 0x012f:
2627 case 0x0137:
2628 lvl_table_len = 9;
2629 break;
2630 case 0x143:
2631 case 0x14b:
2632 case 0x14c:
2633 lvl_table_len = 16;
2634 break;
2635 }
2636
2637 /* the buffer lists brightness levels available, brightness levels are
2638 * from position 0 to 8 in the array, other values are used by ALS
2639 * control.
2640 */
2641 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2642
2643 dprintk("Brightness level: %d\n", buffer[i]);
2644
2645 if (!buffer[i])
2646 break;
2647
2648 if (buffer[i] > max)
2649 max = buffer[i];
2650 if (buffer[i] < min)
2651 min = buffer[i];
2652 }
2653 props->offset = min;
2654 props->maxlvl = max;
2655 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2656 props->maxlvl);
2657 }
2658
2659 static void sony_nc_backlight_setup(void)
2660 {
2661 int max_brightness = 0;
2662 const struct backlight_ops *ops = NULL;
2663 struct backlight_properties props;
2664
2665 if (sony_find_snc_handle(0x12f) >= 0) {
2666 ops = &sony_backlight_ng_ops;
2667 sony_bl_props.cmd_base = 0x0100;
2668 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2669 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2670
2671 } else if (sony_find_snc_handle(0x137) >= 0) {
2672 ops = &sony_backlight_ng_ops;
2673 sony_bl_props.cmd_base = 0x0100;
2674 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2675 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2676
2677 } else if (sony_find_snc_handle(0x143) >= 0) {
2678 ops = &sony_backlight_ng_ops;
2679 sony_bl_props.cmd_base = 0x3000;
2680 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2681 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2682
2683 } else if (sony_find_snc_handle(0x14b) >= 0) {
2684 ops = &sony_backlight_ng_ops;
2685 sony_bl_props.cmd_base = 0x3000;
2686 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2687 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2688
2689 } else if (sony_find_snc_handle(0x14c) >= 0) {
2690 ops = &sony_backlight_ng_ops;
2691 sony_bl_props.cmd_base = 0x3000;
2692 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2693 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2694
2695 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
2696 ops = &sony_backlight_ops;
2697 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2698
2699 } else
2700 return;
2701
2702 memset(&props, 0, sizeof(struct backlight_properties));
2703 props.type = BACKLIGHT_PLATFORM;
2704 props.max_brightness = max_brightness;
2705 sony_bl_props.dev = backlight_device_register("sony", NULL,
2706 &sony_bl_props,
2707 ops, &props);
2708
2709 if (IS_ERR(sony_bl_props.dev)) {
2710 pr_warn("unable to register backlight device\n");
2711 sony_bl_props.dev = NULL;
2712 } else
2713 sony_bl_props.dev->props.brightness =
2714 ops->get_brightness(sony_bl_props.dev);
2715 }
2716
2717 static void sony_nc_backlight_cleanup(void)
2718 {
2719 if (sony_bl_props.dev)
2720 backlight_device_unregister(sony_bl_props.dev);
2721 }
2722
2723 static int sony_nc_add(struct acpi_device *device)
2724 {
2725 acpi_status status;
2726 int result = 0;
2727 struct sony_nc_value *item;
2728
2729 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2730
2731 sony_nc_acpi_device = device;
2732 strcpy(acpi_device_class(device), "sony/hotkey");
2733
2734 sony_nc_acpi_handle = device->handle;
2735
2736 /* read device status */
2737 result = acpi_bus_get_status(device);
2738 /* bail IFF the above call was successful and the device is not present */
2739 if (!result && !device->status.present) {
2740 dprintk("Device not present\n");
2741 result = -ENODEV;
2742 goto outwalk;
2743 }
2744
2745 result = sony_pf_add();
2746 if (result)
2747 goto outpresent;
2748
2749 if (debug) {
2750 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2751 sony_nc_acpi_handle, 1, sony_walk_callback,
2752 NULL, NULL, NULL);
2753 if (ACPI_FAILURE(status)) {
2754 pr_warn("unable to walk acpi resources\n");
2755 result = -ENODEV;
2756 goto outpresent;
2757 }
2758 }
2759
2760 result = sony_laptop_setup_input(device);
2761 if (result) {
2762 pr_err("Unable to create input devices\n");
2763 goto outplatform;
2764 }
2765
2766 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
2767 int arg = 1;
2768 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2769 dprintk("ECON Method failed\n");
2770 }
2771
2772 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
2773 dprintk("Doing SNC setup\n");
2774 /* retrieve the available handles */
2775 result = sony_nc_handles_setup(sony_pf_device);
2776 if (!result)
2777 sony_nc_function_setup(device, sony_pf_device);
2778 }
2779
2780 /* setup input devices and helper fifo */
2781 if (acpi_video_backlight_support()) {
2782 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2783 } else {
2784 sony_nc_backlight_setup();
2785 }
2786
2787 /* create sony_pf sysfs attributes related to the SNC device */
2788 for (item = sony_nc_values; item->name; ++item) {
2789
2790 if (!debug && item->debug)
2791 continue;
2792
2793 /* find the available acpiget as described in the DSDT */
2794 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2795 if (acpi_has_method(sony_nc_acpi_handle,
2796 *item->acpiget)) {
2797 dprintk("Found %s getter: %s\n",
2798 item->name, *item->acpiget);
2799 item->devattr.attr.mode |= S_IRUGO;
2800 break;
2801 }
2802 }
2803
2804 /* find the available acpiset as described in the DSDT */
2805 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2806 if (acpi_has_method(sony_nc_acpi_handle,
2807 *item->acpiset)) {
2808 dprintk("Found %s setter: %s\n",
2809 item->name, *item->acpiset);
2810 item->devattr.attr.mode |= S_IWUSR;
2811 break;
2812 }
2813 }
2814
2815 if (item->devattr.attr.mode != 0) {
2816 result =
2817 device_create_file(&sony_pf_device->dev,
2818 &item->devattr);
2819 if (result)
2820 goto out_sysfs;
2821 }
2822 }
2823
2824 return 0;
2825
2826 out_sysfs:
2827 for (item = sony_nc_values; item->name; ++item) {
2828 device_remove_file(&sony_pf_device->dev, &item->devattr);
2829 }
2830 sony_nc_backlight_cleanup();
2831 sony_nc_function_cleanup(sony_pf_device);
2832 sony_nc_handles_cleanup(sony_pf_device);
2833
2834 outplatform:
2835 sony_laptop_remove_input();
2836
2837 outpresent:
2838 sony_pf_remove();
2839
2840 outwalk:
2841 sony_nc_rfkill_cleanup();
2842 return result;
2843 }
2844
2845 static int sony_nc_remove(struct acpi_device *device)
2846 {
2847 struct sony_nc_value *item;
2848
2849 sony_nc_backlight_cleanup();
2850
2851 sony_nc_acpi_device = NULL;
2852
2853 for (item = sony_nc_values; item->name; ++item) {
2854 device_remove_file(&sony_pf_device->dev, &item->devattr);
2855 }
2856
2857 sony_nc_function_cleanup(sony_pf_device);
2858 sony_nc_handles_cleanup(sony_pf_device);
2859 sony_pf_remove();
2860 sony_laptop_remove_input();
2861 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2862
2863 return 0;
2864 }
2865
2866 static const struct acpi_device_id sony_device_ids[] = {
2867 {SONY_NC_HID, 0},
2868 {SONY_PIC_HID, 0},
2869 {"", 0},
2870 };
2871 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2872
2873 static const struct acpi_device_id sony_nc_device_ids[] = {
2874 {SONY_NC_HID, 0},
2875 {"", 0},
2876 };
2877
2878 static struct acpi_driver sony_nc_driver = {
2879 .name = SONY_NC_DRIVER_NAME,
2880 .class = SONY_NC_CLASS,
2881 .ids = sony_nc_device_ids,
2882 .owner = THIS_MODULE,
2883 .ops = {
2884 .add = sony_nc_add,
2885 .remove = sony_nc_remove,
2886 .notify = sony_nc_notify,
2887 },
2888 .drv.pm = &sony_nc_pm,
2889 };
2890
2891 /*********** SPIC (SNY6001) Device ***********/
2892
2893 #define SONYPI_DEVICE_TYPE1 0x00000001
2894 #define SONYPI_DEVICE_TYPE2 0x00000002
2895 #define SONYPI_DEVICE_TYPE3 0x00000004
2896
2897 #define SONYPI_TYPE1_OFFSET 0x04
2898 #define SONYPI_TYPE2_OFFSET 0x12
2899 #define SONYPI_TYPE3_OFFSET 0x12
2900
2901 struct sony_pic_ioport {
2902 struct acpi_resource_io io1;
2903 struct acpi_resource_io io2;
2904 struct list_head list;
2905 };
2906
2907 struct sony_pic_irq {
2908 struct acpi_resource_irq irq;
2909 struct list_head list;
2910 };
2911
2912 struct sonypi_eventtypes {
2913 u8 data;
2914 unsigned long mask;
2915 struct sonypi_event *events;
2916 };
2917
2918 struct sony_pic_dev {
2919 struct acpi_device *acpi_dev;
2920 struct sony_pic_irq *cur_irq;
2921 struct sony_pic_ioport *cur_ioport;
2922 struct list_head interrupts;
2923 struct list_head ioports;
2924 struct mutex lock;
2925 struct sonypi_eventtypes *event_types;
2926 int (*handle_irq)(const u8, const u8);
2927 int model;
2928 u16 evport_offset;
2929 u8 camera_power;
2930 u8 bluetooth_power;
2931 u8 wwan_power;
2932 };
2933
2934 static struct sony_pic_dev spic_dev = {
2935 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2936 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2937 };
2938
2939 static int spic_drv_registered;
2940
2941 /* Event masks */
2942 #define SONYPI_JOGGER_MASK 0x00000001
2943 #define SONYPI_CAPTURE_MASK 0x00000002
2944 #define SONYPI_FNKEY_MASK 0x00000004
2945 #define SONYPI_BLUETOOTH_MASK 0x00000008
2946 #define SONYPI_PKEY_MASK 0x00000010
2947 #define SONYPI_BACK_MASK 0x00000020
2948 #define SONYPI_HELP_MASK 0x00000040
2949 #define SONYPI_LID_MASK 0x00000080
2950 #define SONYPI_ZOOM_MASK 0x00000100
2951 #define SONYPI_THUMBPHRASE_MASK 0x00000200
2952 #define SONYPI_MEYE_MASK 0x00000400
2953 #define SONYPI_MEMORYSTICK_MASK 0x00000800
2954 #define SONYPI_BATTERY_MASK 0x00001000
2955 #define SONYPI_WIRELESS_MASK 0x00002000
2956
2957 struct sonypi_event {
2958 u8 data;
2959 u8 event;
2960 };
2961
2962 /* The set of possible button release events */
2963 static struct sonypi_event sonypi_releaseev[] = {
2964 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2965 { 0, 0 }
2966 };
2967
2968 /* The set of possible jogger events */
2969 static struct sonypi_event sonypi_joggerev[] = {
2970 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2971 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2972 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2973 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2974 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2975 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2976 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2977 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2978 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
2979 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
2980 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
2981 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
2982 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
2983 { 0, 0 }
2984 };
2985
2986 /* The set of possible capture button events */
2987 static struct sonypi_event sonypi_captureev[] = {
2988 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
2989 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
2990 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2991 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
2992 { 0, 0 }
2993 };
2994
2995 /* The set of possible fnkeys events */
2996 static struct sonypi_event sonypi_fnkeyev[] = {
2997 { 0x10, SONYPI_EVENT_FNKEY_ESC },
2998 { 0x11, SONYPI_EVENT_FNKEY_F1 },
2999 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3000 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3001 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3002 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3003 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3004 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3005 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3006 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3007 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3008 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3009 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3010 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3011 { 0x21, SONYPI_EVENT_FNKEY_1 },
3012 { 0x22, SONYPI_EVENT_FNKEY_2 },
3013 { 0x31, SONYPI_EVENT_FNKEY_D },
3014 { 0x32, SONYPI_EVENT_FNKEY_E },
3015 { 0x33, SONYPI_EVENT_FNKEY_F },
3016 { 0x34, SONYPI_EVENT_FNKEY_S },
3017 { 0x35, SONYPI_EVENT_FNKEY_B },
3018 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3019 { 0, 0 }
3020 };
3021
3022 /* The set of possible program key events */
3023 static struct sonypi_event sonypi_pkeyev[] = {
3024 { 0x01, SONYPI_EVENT_PKEY_P1 },
3025 { 0x02, SONYPI_EVENT_PKEY_P2 },
3026 { 0x04, SONYPI_EVENT_PKEY_P3 },
3027 { 0x20, SONYPI_EVENT_PKEY_P1 },
3028 { 0, 0 }
3029 };
3030
3031 /* The set of possible bluetooth events */
3032 static struct sonypi_event sonypi_blueev[] = {
3033 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3034 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3035 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3036 { 0, 0 }
3037 };
3038
3039 /* The set of possible wireless events */
3040 static struct sonypi_event sonypi_wlessev[] = {
3041 { 0x59, SONYPI_EVENT_IGNORE },
3042 { 0x5a, SONYPI_EVENT_IGNORE },
3043 { 0, 0 }
3044 };
3045
3046 /* The set of possible back button events */
3047 static struct sonypi_event sonypi_backev[] = {
3048 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3049 { 0, 0 }
3050 };
3051
3052 /* The set of possible help button events */
3053 static struct sonypi_event sonypi_helpev[] = {
3054 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3055 { 0, 0 }
3056 };
3057
3058
3059 /* The set of possible lid events */
3060 static struct sonypi_event sonypi_lidev[] = {
3061 { 0x51, SONYPI_EVENT_LID_CLOSED },
3062 { 0x50, SONYPI_EVENT_LID_OPENED },
3063 { 0, 0 }
3064 };
3065
3066 /* The set of possible zoom events */
3067 static struct sonypi_event sonypi_zoomev[] = {
3068 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3069 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3070 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3071 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3072 { 0, 0 }
3073 };
3074
3075 /* The set of possible thumbphrase events */
3076 static struct sonypi_event sonypi_thumbphraseev[] = {
3077 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3078 { 0, 0 }
3079 };
3080
3081 /* The set of possible motioneye camera events */
3082 static struct sonypi_event sonypi_meyeev[] = {
3083 { 0x00, SONYPI_EVENT_MEYE_FACE },
3084 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3085 { 0, 0 }
3086 };
3087
3088 /* The set of possible memorystick events */
3089 static struct sonypi_event sonypi_memorystickev[] = {
3090 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3091 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3092 { 0, 0 }
3093 };
3094
3095 /* The set of possible battery events */
3096 static struct sonypi_event sonypi_batteryev[] = {
3097 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3098 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3099 { 0, 0 }
3100 };
3101
3102 /* The set of possible volume events */
3103 static struct sonypi_event sonypi_volumeev[] = {
3104 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3105 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3106 { 0, 0 }
3107 };
3108
3109 /* The set of possible brightness events */
3110 static struct sonypi_event sonypi_brightnessev[] = {
3111 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3112 { 0, 0 }
3113 };
3114
3115 static struct sonypi_eventtypes type1_events[] = {
3116 { 0, 0xffffffff, sonypi_releaseev },
3117 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3118 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3119 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3120 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3121 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3122 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3123 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3124 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3125 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3126 { 0 },
3127 };
3128 static struct sonypi_eventtypes type2_events[] = {
3129 { 0, 0xffffffff, sonypi_releaseev },
3130 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3131 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3132 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3133 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3134 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3135 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3136 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3137 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3138 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3139 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3140 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3141 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3142 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3143 { 0 },
3144 };
3145 static struct sonypi_eventtypes type3_events[] = {
3146 { 0, 0xffffffff, sonypi_releaseev },
3147 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3148 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3149 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3150 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3151 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3152 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3153 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3154 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3155 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3156 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3157 { 0 },
3158 };
3159
3160 /* low level spic calls */
3161 #define ITERATIONS_LONG 10000
3162 #define ITERATIONS_SHORT 10
3163 #define wait_on_command(command, iterations) { \
3164 unsigned int n = iterations; \
3165 while (--n && (command)) \
3166 udelay(1); \
3167 if (!n) \
3168 dprintk("command failed at %s : %s (line %d)\n", \
3169 __FILE__, __func__, __LINE__); \
3170 }
3171
3172 static u8 sony_pic_call1(u8 dev)
3173 {
3174 u8 v1, v2;
3175
3176 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3177 ITERATIONS_LONG);
3178 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3179 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3180 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3181 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3182 return v2;
3183 }
3184
3185 static u8 sony_pic_call2(u8 dev, u8 fn)
3186 {
3187 u8 v1;
3188
3189 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3190 ITERATIONS_LONG);
3191 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3192 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3193 ITERATIONS_LONG);
3194 outb(fn, spic_dev.cur_ioport->io1.minimum);
3195 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3196 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3197 return v1;
3198 }
3199
3200 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3201 {
3202 u8 v1;
3203
3204 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3205 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3206 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3207 outb(fn, spic_dev.cur_ioport->io1.minimum);
3208 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3209 outb(v, spic_dev.cur_ioport->io1.minimum);
3210 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3211 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3212 dev, fn, v, v1);
3213 return v1;
3214 }
3215
3216 /*
3217 * minidrivers for SPIC models
3218 */
3219 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3220 {
3221 /*
3222 * 0x31 could mean we have to take some extra action and wait for
3223 * the next irq for some Type3 models, it will generate a new
3224 * irq and we can read new data from the device:
3225 * - 0x5c and 0x5f requires 0xA0
3226 * - 0x61 requires 0xB3
3227 */
3228 if (data_mask == 0x31) {
3229 if (ev == 0x5c || ev == 0x5f)
3230 sony_pic_call1(0xA0);
3231 else if (ev == 0x61)
3232 sony_pic_call1(0xB3);
3233 return 0;
3234 }
3235 return 1;
3236 }
3237
3238 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3239 {
3240 struct pci_dev *pcidev;
3241
3242 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3243 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3244 if (pcidev) {
3245 dev->model = SONYPI_DEVICE_TYPE1;
3246 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3247 dev->event_types = type1_events;
3248 goto out;
3249 }
3250
3251 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3252 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3253 if (pcidev) {
3254 dev->model = SONYPI_DEVICE_TYPE2;
3255 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3256 dev->event_types = type2_events;
3257 goto out;
3258 }
3259
3260 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3261 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3262 if (pcidev) {
3263 dev->model = SONYPI_DEVICE_TYPE3;
3264 dev->handle_irq = type3_handle_irq;
3265 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3266 dev->event_types = type3_events;
3267 goto out;
3268 }
3269
3270 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3271 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3272 if (pcidev) {
3273 dev->model = SONYPI_DEVICE_TYPE3;
3274 dev->handle_irq = type3_handle_irq;
3275 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3276 dev->event_types = type3_events;
3277 goto out;
3278 }
3279
3280 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3281 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3282 if (pcidev) {
3283 dev->model = SONYPI_DEVICE_TYPE3;
3284 dev->handle_irq = type3_handle_irq;
3285 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3286 dev->event_types = type3_events;
3287 goto out;
3288 }
3289
3290 /* default */
3291 dev->model = SONYPI_DEVICE_TYPE2;
3292 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3293 dev->event_types = type2_events;
3294
3295 out:
3296 if (pcidev)
3297 pci_dev_put(pcidev);
3298
3299 pr_info("detected Type%d model\n",
3300 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3301 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3302 }
3303
3304 /* camera tests and poweron/poweroff */
3305 #define SONYPI_CAMERA_PICTURE 5
3306 #define SONYPI_CAMERA_CONTROL 0x10
3307
3308 #define SONYPI_CAMERA_BRIGHTNESS 0
3309 #define SONYPI_CAMERA_CONTRAST 1
3310 #define SONYPI_CAMERA_HUE 2
3311 #define SONYPI_CAMERA_COLOR 3
3312 #define SONYPI_CAMERA_SHARPNESS 4
3313
3314 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3315 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3316 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3317 #define SONYPI_CAMERA_MUTE_MASK 0x40
3318
3319 /* the rest don't need a loop until not 0xff */
3320 #define SONYPI_CAMERA_AGC 6
3321 #define SONYPI_CAMERA_AGC_MASK 0x30
3322 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3323
3324 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3325 #define SONYPI_CAMERA_CONTROL 0x10
3326
3327 #define SONYPI_CAMERA_STATUS 7
3328 #define SONYPI_CAMERA_STATUS_READY 0x2
3329 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3330
3331 #define SONYPI_DIRECTION_BACKWARDS 0x4
3332
3333 #define SONYPI_CAMERA_REVISION 8
3334 #define SONYPI_CAMERA_ROMVERSION 9
3335
3336 static int __sony_pic_camera_ready(void)
3337 {
3338 u8 v;
3339
3340 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3341 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3342 }
3343
3344 static int __sony_pic_camera_off(void)
3345 {
3346 if (!camera) {
3347 pr_warn("camera control not enabled\n");
3348 return -ENODEV;
3349 }
3350
3351 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3352 SONYPI_CAMERA_MUTE_MASK),
3353 ITERATIONS_SHORT);
3354
3355 if (spic_dev.camera_power) {
3356 sony_pic_call2(0x91, 0);
3357 spic_dev.camera_power = 0;
3358 }
3359 return 0;
3360 }
3361
3362 static int __sony_pic_camera_on(void)
3363 {
3364 int i, j, x;
3365
3366 if (!camera) {
3367 pr_warn("camera control not enabled\n");
3368 return -ENODEV;
3369 }
3370
3371 if (spic_dev.camera_power)
3372 return 0;
3373
3374 for (j = 5; j > 0; j--) {
3375
3376 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3377 msleep(10);
3378 sony_pic_call1(0x93);
3379
3380 for (i = 400; i > 0; i--) {
3381 if (__sony_pic_camera_ready())
3382 break;
3383 msleep(10);
3384 }
3385 if (i)
3386 break;
3387 }
3388
3389 if (j == 0) {
3390 pr_warn("failed to power on camera\n");
3391 return -ENODEV;
3392 }
3393
3394 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3395 0x5a),
3396 ITERATIONS_SHORT);
3397
3398 spic_dev.camera_power = 1;
3399 return 0;
3400 }
3401
3402 /* External camera command (exported to the motion eye v4l driver) */
3403 int sony_pic_camera_command(int command, u8 value)
3404 {
3405 if (!camera)
3406 return -EIO;
3407
3408 mutex_lock(&spic_dev.lock);
3409
3410 switch (command) {
3411 case SONY_PIC_COMMAND_SETCAMERA:
3412 if (value)
3413 __sony_pic_camera_on();
3414 else
3415 __sony_pic_camera_off();
3416 break;
3417 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3418 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3419 ITERATIONS_SHORT);
3420 break;
3421 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3422 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3423 ITERATIONS_SHORT);
3424 break;
3425 case SONY_PIC_COMMAND_SETCAMERAHUE:
3426 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3427 ITERATIONS_SHORT);
3428 break;
3429 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3430 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3431 ITERATIONS_SHORT);
3432 break;
3433 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3434 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3435 ITERATIONS_SHORT);
3436 break;
3437 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3438 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3439 ITERATIONS_SHORT);
3440 break;
3441 case SONY_PIC_COMMAND_SETCAMERAAGC:
3442 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3443 ITERATIONS_SHORT);
3444 break;
3445 default:
3446 pr_err("sony_pic_camera_command invalid: %d\n", command);
3447 break;
3448 }
3449 mutex_unlock(&spic_dev.lock);
3450 return 0;
3451 }
3452 EXPORT_SYMBOL(sony_pic_camera_command);
3453
3454 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3455 static void __sony_pic_set_wwanpower(u8 state)
3456 {
3457 state = !!state;
3458 if (spic_dev.wwan_power == state)
3459 return;
3460 sony_pic_call2(0xB0, state);
3461 sony_pic_call1(0x82);
3462 spic_dev.wwan_power = state;
3463 }
3464
3465 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3466 struct device_attribute *attr,
3467 const char *buffer, size_t count)
3468 {
3469 unsigned long value;
3470 if (count > 31)
3471 return -EINVAL;
3472
3473 if (kstrtoul(buffer, 10, &value))
3474 return -EINVAL;
3475
3476 mutex_lock(&spic_dev.lock);
3477 __sony_pic_set_wwanpower(value);
3478 mutex_unlock(&spic_dev.lock);
3479
3480 return count;
3481 }
3482
3483 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3484 struct device_attribute *attr, char *buffer)
3485 {
3486 ssize_t count;
3487 mutex_lock(&spic_dev.lock);
3488 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3489 mutex_unlock(&spic_dev.lock);
3490 return count;
3491 }
3492
3493 /* bluetooth subsystem power state */
3494 static void __sony_pic_set_bluetoothpower(u8 state)
3495 {
3496 state = !!state;
3497 if (spic_dev.bluetooth_power == state)
3498 return;
3499 sony_pic_call2(0x96, state);
3500 sony_pic_call1(0x82);
3501 spic_dev.bluetooth_power = state;
3502 }
3503
3504 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3505 struct device_attribute *attr,
3506 const char *buffer, size_t count)
3507 {
3508 unsigned long value;
3509 if (count > 31)
3510 return -EINVAL;
3511
3512 if (kstrtoul(buffer, 10, &value))
3513 return -EINVAL;
3514
3515 mutex_lock(&spic_dev.lock);
3516 __sony_pic_set_bluetoothpower(value);
3517 mutex_unlock(&spic_dev.lock);
3518
3519 return count;
3520 }
3521
3522 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3523 struct device_attribute *attr, char *buffer)
3524 {
3525 ssize_t count = 0;
3526 mutex_lock(&spic_dev.lock);
3527 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3528 mutex_unlock(&spic_dev.lock);
3529 return count;
3530 }
3531
3532 /* fan speed */
3533 /* FAN0 information (reverse engineered from ACPI tables) */
3534 #define SONY_PIC_FAN0_STATUS 0x93
3535 static int sony_pic_set_fanspeed(unsigned long value)
3536 {
3537 return ec_write(SONY_PIC_FAN0_STATUS, value);
3538 }
3539
3540 static int sony_pic_get_fanspeed(u8 *value)
3541 {
3542 return ec_read(SONY_PIC_FAN0_STATUS, value);
3543 }
3544
3545 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3546 struct device_attribute *attr,
3547 const char *buffer, size_t count)
3548 {
3549 unsigned long value;
3550 if (count > 31)
3551 return -EINVAL;
3552
3553 if (kstrtoul(buffer, 10, &value))
3554 return -EINVAL;
3555
3556 if (sony_pic_set_fanspeed(value))
3557 return -EIO;
3558
3559 return count;
3560 }
3561
3562 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3563 struct device_attribute *attr, char *buffer)
3564 {
3565 u8 value = 0;
3566 if (sony_pic_get_fanspeed(&value))
3567 return -EIO;
3568
3569 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3570 }
3571
3572 #define SPIC_ATTR(_name, _mode) \
3573 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3574 _mode, sony_pic_## _name ##_show, \
3575 sony_pic_## _name ##_store)
3576
3577 static SPIC_ATTR(bluetoothpower, 0644);
3578 static SPIC_ATTR(wwanpower, 0644);
3579 static SPIC_ATTR(fanspeed, 0644);
3580
3581 static struct attribute *spic_attributes[] = {
3582 &spic_attr_bluetoothpower.attr,
3583 &spic_attr_wwanpower.attr,
3584 &spic_attr_fanspeed.attr,
3585 NULL
3586 };
3587
3588 static struct attribute_group spic_attribute_group = {
3589 .attrs = spic_attributes
3590 };
3591
3592 /******** SONYPI compatibility **********/
3593 #ifdef CONFIG_SONYPI_COMPAT
3594
3595 /* battery / brightness / temperature addresses */
3596 #define SONYPI_BAT_FLAGS 0x81
3597 #define SONYPI_LCD_LIGHT 0x96
3598 #define SONYPI_BAT1_PCTRM 0xa0
3599 #define SONYPI_BAT1_LEFT 0xa2
3600 #define SONYPI_BAT1_MAXRT 0xa4
3601 #define SONYPI_BAT2_PCTRM 0xa8
3602 #define SONYPI_BAT2_LEFT 0xaa
3603 #define SONYPI_BAT2_MAXRT 0xac
3604 #define SONYPI_BAT1_MAXTK 0xb0
3605 #define SONYPI_BAT1_FULL 0xb2
3606 #define SONYPI_BAT2_MAXTK 0xb8
3607 #define SONYPI_BAT2_FULL 0xba
3608 #define SONYPI_TEMP_STATUS 0xC1
3609
3610 struct sonypi_compat_s {
3611 struct fasync_struct *fifo_async;
3612 struct kfifo fifo;
3613 spinlock_t fifo_lock;
3614 wait_queue_head_t fifo_proc_list;
3615 atomic_t open_count;
3616 };
3617 static struct sonypi_compat_s sonypi_compat = {
3618 .open_count = ATOMIC_INIT(0),
3619 };
3620
3621 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3622 {
3623 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3624 }
3625
3626 static int sonypi_misc_release(struct inode *inode, struct file *file)
3627 {
3628 atomic_dec(&sonypi_compat.open_count);
3629 return 0;
3630 }
3631
3632 static int sonypi_misc_open(struct inode *inode, struct file *file)
3633 {
3634 /* Flush input queue on first open */
3635 unsigned long flags;
3636
3637 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3638
3639 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3640 kfifo_reset(&sonypi_compat.fifo);
3641
3642 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3643
3644 return 0;
3645 }
3646
3647 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3648 size_t count, loff_t *pos)
3649 {
3650 ssize_t ret;
3651 unsigned char c;
3652
3653 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3654 (file->f_flags & O_NONBLOCK))
3655 return -EAGAIN;
3656
3657 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3658 kfifo_len(&sonypi_compat.fifo) != 0);
3659 if (ret)
3660 return ret;
3661
3662 while (ret < count &&
3663 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3664 &sonypi_compat.fifo_lock) == sizeof(c))) {
3665 if (put_user(c, buf++))
3666 return -EFAULT;
3667 ret++;
3668 }
3669
3670 if (ret > 0) {
3671 struct inode *inode = file_inode(file);
3672 inode->i_atime = current_fs_time(inode->i_sb);
3673 }
3674
3675 return ret;
3676 }
3677
3678 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3679 {
3680 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3681 if (kfifo_len(&sonypi_compat.fifo))
3682 return POLLIN | POLLRDNORM;
3683 return 0;
3684 }
3685
3686 static int ec_read16(u8 addr, u16 *value)
3687 {
3688 u8 val_lb, val_hb;
3689 if (ec_read(addr, &val_lb))
3690 return -1;
3691 if (ec_read(addr + 1, &val_hb))
3692 return -1;
3693 *value = val_lb | (val_hb << 8);
3694 return 0;
3695 }
3696
3697 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3698 unsigned long arg)
3699 {
3700 int ret = 0;
3701 void __user *argp = (void __user *)arg;
3702 u8 val8;
3703 u16 val16;
3704 int value;
3705
3706 mutex_lock(&spic_dev.lock);
3707 switch (cmd) {
3708 case SONYPI_IOCGBRT:
3709 if (sony_bl_props.dev == NULL) {
3710 ret = -EIO;
3711 break;
3712 }
3713 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3714 &value)) {
3715 ret = -EIO;
3716 break;
3717 }
3718 val8 = ((value & 0xff) - 1) << 5;
3719 if (copy_to_user(argp, &val8, sizeof(val8)))
3720 ret = -EFAULT;
3721 break;
3722 case SONYPI_IOCSBRT:
3723 if (sony_bl_props.dev == NULL) {
3724 ret = -EIO;
3725 break;
3726 }
3727 if (copy_from_user(&val8, argp, sizeof(val8))) {
3728 ret = -EFAULT;
3729 break;
3730 }
3731 value = (val8 >> 5) + 1;
3732 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3733 NULL)) {
3734 ret = -EIO;
3735 break;
3736 }
3737 /* sync the backlight device status */
3738 sony_bl_props.dev->props.brightness =
3739 sony_backlight_get_brightness(sony_bl_props.dev);
3740 break;
3741 case SONYPI_IOCGBAT1CAP:
3742 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3743 ret = -EIO;
3744 break;
3745 }
3746 if (copy_to_user(argp, &val16, sizeof(val16)))
3747 ret = -EFAULT;
3748 break;
3749 case SONYPI_IOCGBAT1REM:
3750 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3751 ret = -EIO;
3752 break;
3753 }
3754 if (copy_to_user(argp, &val16, sizeof(val16)))
3755 ret = -EFAULT;
3756 break;
3757 case SONYPI_IOCGBAT2CAP:
3758 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3759 ret = -EIO;
3760 break;
3761 }
3762 if (copy_to_user(argp, &val16, sizeof(val16)))
3763 ret = -EFAULT;
3764 break;
3765 case SONYPI_IOCGBAT2REM:
3766 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3767 ret = -EIO;
3768 break;
3769 }
3770 if (copy_to_user(argp, &val16, sizeof(val16)))
3771 ret = -EFAULT;
3772 break;
3773 case SONYPI_IOCGBATFLAGS:
3774 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3775 ret = -EIO;
3776 break;
3777 }
3778 val8 &= 0x07;
3779 if (copy_to_user(argp, &val8, sizeof(val8)))
3780 ret = -EFAULT;
3781 break;
3782 case SONYPI_IOCGBLUE:
3783 val8 = spic_dev.bluetooth_power;
3784 if (copy_to_user(argp, &val8, sizeof(val8)))
3785 ret = -EFAULT;
3786 break;
3787 case SONYPI_IOCSBLUE:
3788 if (copy_from_user(&val8, argp, sizeof(val8))) {
3789 ret = -EFAULT;
3790 break;
3791 }
3792 __sony_pic_set_bluetoothpower(val8);
3793 break;
3794 /* FAN Controls */
3795 case SONYPI_IOCGFAN:
3796 if (sony_pic_get_fanspeed(&val8)) {
3797 ret = -EIO;
3798 break;
3799 }
3800 if (copy_to_user(argp, &val8, sizeof(val8)))
3801 ret = -EFAULT;
3802 break;
3803 case SONYPI_IOCSFAN:
3804 if (copy_from_user(&val8, argp, sizeof(val8))) {
3805 ret = -EFAULT;
3806 break;
3807 }
3808 if (sony_pic_set_fanspeed(val8))
3809 ret = -EIO;
3810 break;
3811 /* GET Temperature (useful under APM) */
3812 case SONYPI_IOCGTEMP:
3813 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3814 ret = -EIO;
3815 break;
3816 }
3817 if (copy_to_user(argp, &val8, sizeof(val8)))
3818 ret = -EFAULT;
3819 break;
3820 default:
3821 ret = -EINVAL;
3822 }
3823 mutex_unlock(&spic_dev.lock);
3824 return ret;
3825 }
3826
3827 static const struct file_operations sonypi_misc_fops = {
3828 .owner = THIS_MODULE,
3829 .read = sonypi_misc_read,
3830 .poll = sonypi_misc_poll,
3831 .open = sonypi_misc_open,
3832 .release = sonypi_misc_release,
3833 .fasync = sonypi_misc_fasync,
3834 .unlocked_ioctl = sonypi_misc_ioctl,
3835 .llseek = noop_llseek,
3836 };
3837
3838 static struct miscdevice sonypi_misc_device = {
3839 .minor = MISC_DYNAMIC_MINOR,
3840 .name = "sonypi",
3841 .fops = &sonypi_misc_fops,
3842 };
3843
3844 static void sonypi_compat_report_event(u8 event)
3845 {
3846 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3847 sizeof(event), &sonypi_compat.fifo_lock);
3848 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3849 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3850 }
3851
3852 static int sonypi_compat_init(void)
3853 {
3854 int error;
3855
3856 spin_lock_init(&sonypi_compat.fifo_lock);
3857 error =
3858 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3859 if (error) {
3860 pr_err("kfifo_alloc failed\n");
3861 return error;
3862 }
3863
3864 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3865
3866 if (minor != -1)
3867 sonypi_misc_device.minor = minor;
3868 error = misc_register(&sonypi_misc_device);
3869 if (error) {
3870 pr_err("misc_register failed\n");
3871 goto err_free_kfifo;
3872 }
3873 if (minor == -1)
3874 pr_info("device allocated minor is %d\n",
3875 sonypi_misc_device.minor);
3876
3877 return 0;
3878
3879 err_free_kfifo:
3880 kfifo_free(&sonypi_compat.fifo);
3881 return error;
3882 }
3883
3884 static void sonypi_compat_exit(void)
3885 {
3886 misc_deregister(&sonypi_misc_device);
3887 kfifo_free(&sonypi_compat.fifo);
3888 }
3889 #else
3890 static int sonypi_compat_init(void) { return 0; }
3891 static void sonypi_compat_exit(void) { }
3892 static void sonypi_compat_report_event(u8 event) { }
3893 #endif /* CONFIG_SONYPI_COMPAT */
3894
3895 /*
3896 * ACPI callbacks
3897 */
3898 static acpi_status
3899 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3900 {
3901 u32 i;
3902 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3903
3904 switch (resource->type) {
3905 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3906 {
3907 /* start IO enumeration */
3908 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3909 if (!ioport)
3910 return AE_ERROR;
3911
3912 list_add(&ioport->list, &dev->ioports);
3913 return AE_OK;
3914 }
3915
3916 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3917 /* end IO enumeration */
3918 return AE_OK;
3919
3920 case ACPI_RESOURCE_TYPE_IRQ:
3921 {
3922 struct acpi_resource_irq *p = &resource->data.irq;
3923 struct sony_pic_irq *interrupt = NULL;
3924 if (!p || !p->interrupt_count) {
3925 /*
3926 * IRQ descriptors may have no IRQ# bits set,
3927 * particularly those those w/ _STA disabled
3928 */
3929 dprintk("Blank IRQ resource\n");
3930 return AE_OK;
3931 }
3932 for (i = 0; i < p->interrupt_count; i++) {
3933 if (!p->interrupts[i]) {
3934 pr_warn("Invalid IRQ %d\n",
3935 p->interrupts[i]);
3936 continue;
3937 }
3938 interrupt = kzalloc(sizeof(*interrupt),
3939 GFP_KERNEL);
3940 if (!interrupt)
3941 return AE_ERROR;
3942
3943 list_add(&interrupt->list, &dev->interrupts);
3944 interrupt->irq.triggering = p->triggering;
3945 interrupt->irq.polarity = p->polarity;
3946 interrupt->irq.sharable = p->sharable;
3947 interrupt->irq.interrupt_count = 1;
3948 interrupt->irq.interrupts[0] = p->interrupts[i];
3949 }
3950 return AE_OK;
3951 }
3952 case ACPI_RESOURCE_TYPE_IO:
3953 {
3954 struct acpi_resource_io *io = &resource->data.io;
3955 struct sony_pic_ioport *ioport =
3956 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3957 if (!io) {
3958 dprintk("Blank IO resource\n");
3959 return AE_OK;
3960 }
3961
3962 if (!ioport->io1.minimum) {
3963 memcpy(&ioport->io1, io, sizeof(*io));
3964 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3965 ioport->io1.address_length);
3966 }
3967 else if (!ioport->io2.minimum) {
3968 memcpy(&ioport->io2, io, sizeof(*io));
3969 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3970 ioport->io2.address_length);
3971 }
3972 else {
3973 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3974 return AE_ERROR;
3975 }
3976 return AE_OK;
3977 }
3978 default:
3979 dprintk("Resource %d isn't an IRQ nor an IO port\n",
3980 resource->type);
3981
3982 case ACPI_RESOURCE_TYPE_END_TAG:
3983 return AE_OK;
3984 }
3985 return AE_CTRL_TERMINATE;
3986 }
3987
3988 static int sony_pic_possible_resources(struct acpi_device *device)
3989 {
3990 int result = 0;
3991 acpi_status status = AE_OK;
3992
3993 if (!device)
3994 return -EINVAL;
3995
3996 /* get device status */
3997 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
3998 dprintk("Evaluating _STA\n");
3999 result = acpi_bus_get_status(device);
4000 if (result) {
4001 pr_warn("Unable to read status\n");
4002 goto end;
4003 }
4004
4005 if (!device->status.enabled)
4006 dprintk("Device disabled\n");
4007 else
4008 dprintk("Device enabled\n");
4009
4010 /*
4011 * Query and parse 'method'
4012 */
4013 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4014 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4015 sony_pic_read_possible_resource, &spic_dev);
4016 if (ACPI_FAILURE(status)) {
4017 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4018 result = -ENODEV;
4019 }
4020 end:
4021 return result;
4022 }
4023
4024 /*
4025 * Disable the spic device by calling its _DIS method
4026 */
4027 static int sony_pic_disable(struct acpi_device *device)
4028 {
4029 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4030 NULL);
4031
4032 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4033 return -ENXIO;
4034
4035 dprintk("Device disabled\n");
4036 return 0;
4037 }
4038
4039
4040 /*
4041 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4042 *
4043 * Call _SRS to set current resources
4044 */
4045 static int sony_pic_enable(struct acpi_device *device,
4046 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4047 {
4048 acpi_status status;
4049 int result = 0;
4050 /* Type 1 resource layout is:
4051 * IO
4052 * IO
4053 * IRQNoFlags
4054 * End
4055 *
4056 * Type 2 and 3 resource layout is:
4057 * IO
4058 * IRQNoFlags
4059 * End
4060 */
4061 struct {
4062 struct acpi_resource res1;
4063 struct acpi_resource res2;
4064 struct acpi_resource res3;
4065 struct acpi_resource res4;
4066 } *resource;
4067 struct acpi_buffer buffer = { 0, NULL };
4068
4069 if (!ioport || !irq)
4070 return -EINVAL;
4071
4072 /* init acpi_buffer */
4073 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4074 if (!resource)
4075 return -ENOMEM;
4076
4077 buffer.length = sizeof(*resource) + 1;
4078 buffer.pointer = resource;
4079
4080 /* setup Type 1 resources */
4081 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4082
4083 /* setup io resources */
4084 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4085 resource->res1.length = sizeof(struct acpi_resource);
4086 memcpy(&resource->res1.data.io, &ioport->io1,
4087 sizeof(struct acpi_resource_io));
4088
4089 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4090 resource->res2.length = sizeof(struct acpi_resource);
4091 memcpy(&resource->res2.data.io, &ioport->io2,
4092 sizeof(struct acpi_resource_io));
4093
4094 /* setup irq resource */
4095 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4096 resource->res3.length = sizeof(struct acpi_resource);
4097 memcpy(&resource->res3.data.irq, &irq->irq,
4098 sizeof(struct acpi_resource_irq));
4099 /* we requested a shared irq */
4100 resource->res3.data.irq.sharable = ACPI_SHARED;
4101
4102 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4103 resource->res4.length = sizeof(struct acpi_resource);
4104 }
4105 /* setup Type 2/3 resources */
4106 else {
4107 /* setup io resource */
4108 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4109 resource->res1.length = sizeof(struct acpi_resource);
4110 memcpy(&resource->res1.data.io, &ioport->io1,
4111 sizeof(struct acpi_resource_io));
4112
4113 /* setup irq resource */
4114 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4115 resource->res2.length = sizeof(struct acpi_resource);
4116 memcpy(&resource->res2.data.irq, &irq->irq,
4117 sizeof(struct acpi_resource_irq));
4118 /* we requested a shared irq */
4119 resource->res2.data.irq.sharable = ACPI_SHARED;
4120
4121 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4122 resource->res3.length = sizeof(struct acpi_resource);
4123 }
4124
4125 /* Attempt to set the resource */
4126 dprintk("Evaluating _SRS\n");
4127 status = acpi_set_current_resources(device->handle, &buffer);
4128
4129 /* check for total failure */
4130 if (ACPI_FAILURE(status)) {
4131 pr_err("Error evaluating _SRS\n");
4132 result = -ENODEV;
4133 goto end;
4134 }
4135
4136 /* Necessary device initializations calls (from sonypi) */
4137 sony_pic_call1(0x82);
4138 sony_pic_call2(0x81, 0xff);
4139 sony_pic_call1(compat ? 0x92 : 0x82);
4140
4141 end:
4142 kfree(resource);
4143 return result;
4144 }
4145
4146 /*****************
4147 *
4148 * ISR: some event is available
4149 *
4150 *****************/
4151 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4152 {
4153 int i, j;
4154 u8 ev = 0;
4155 u8 data_mask = 0;
4156 u8 device_event = 0;
4157
4158 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4159
4160 ev = inb_p(dev->cur_ioport->io1.minimum);
4161 if (dev->cur_ioport->io2.minimum)
4162 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4163 else
4164 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4165 dev->evport_offset);
4166
4167 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4168 ev, data_mask, dev->cur_ioport->io1.minimum,
4169 dev->evport_offset);
4170
4171 if (ev == 0x00 || ev == 0xff)
4172 return IRQ_HANDLED;
4173
4174 for (i = 0; dev->event_types[i].mask; i++) {
4175
4176 if ((data_mask & dev->event_types[i].data) !=
4177 dev->event_types[i].data)
4178 continue;
4179
4180 if (!(mask & dev->event_types[i].mask))
4181 continue;
4182
4183 for (j = 0; dev->event_types[i].events[j].event; j++) {
4184 if (ev == dev->event_types[i].events[j].data) {
4185 device_event =
4186 dev->event_types[i].events[j].event;
4187 /* some events may require ignoring */
4188 if (!device_event)
4189 return IRQ_HANDLED;
4190 goto found;
4191 }
4192 }
4193 }
4194 /* Still not able to decode the event try to pass
4195 * it over to the minidriver
4196 */
4197 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4198 return IRQ_HANDLED;
4199
4200 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4201 ev, data_mask, dev->cur_ioport->io1.minimum,
4202 dev->evport_offset);
4203 return IRQ_HANDLED;
4204
4205 found:
4206 sony_laptop_report_input_event(device_event);
4207 sonypi_compat_report_event(device_event);
4208 return IRQ_HANDLED;
4209 }
4210
4211 /*****************
4212 *
4213 * ACPI driver
4214 *
4215 *****************/
4216 static int sony_pic_remove(struct acpi_device *device)
4217 {
4218 struct sony_pic_ioport *io, *tmp_io;
4219 struct sony_pic_irq *irq, *tmp_irq;
4220
4221 if (sony_pic_disable(device)) {
4222 pr_err("Couldn't disable device\n");
4223 return -ENXIO;
4224 }
4225
4226 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4227 release_region(spic_dev.cur_ioport->io1.minimum,
4228 spic_dev.cur_ioport->io1.address_length);
4229 if (spic_dev.cur_ioport->io2.minimum)
4230 release_region(spic_dev.cur_ioport->io2.minimum,
4231 spic_dev.cur_ioport->io2.address_length);
4232
4233 sonypi_compat_exit();
4234
4235 sony_laptop_remove_input();
4236
4237 /* pf attrs */
4238 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4239 sony_pf_remove();
4240
4241 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4242 list_del(&io->list);
4243 kfree(io);
4244 }
4245 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4246 list_del(&irq->list);
4247 kfree(irq);
4248 }
4249 spic_dev.cur_ioport = NULL;
4250 spic_dev.cur_irq = NULL;
4251
4252 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4253 return 0;
4254 }
4255
4256 static int sony_pic_add(struct acpi_device *device)
4257 {
4258 int result;
4259 struct sony_pic_ioport *io, *tmp_io;
4260 struct sony_pic_irq *irq, *tmp_irq;
4261
4262 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4263
4264 spic_dev.acpi_dev = device;
4265 strcpy(acpi_device_class(device), "sony/hotkey");
4266 sony_pic_detect_device_type(&spic_dev);
4267 mutex_init(&spic_dev.lock);
4268
4269 /* read _PRS resources */
4270 result = sony_pic_possible_resources(device);
4271 if (result) {
4272 pr_err("Unable to read possible resources\n");
4273 goto err_free_resources;
4274 }
4275
4276 /* setup input devices and helper fifo */
4277 result = sony_laptop_setup_input(device);
4278 if (result) {
4279 pr_err("Unable to create input devices\n");
4280 goto err_free_resources;
4281 }
4282
4283 result = sonypi_compat_init();
4284 if (result)
4285 goto err_remove_input;
4286
4287 /* request io port */
4288 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4289 if (request_region(io->io1.minimum, io->io1.address_length,
4290 "Sony Programmable I/O Device")) {
4291 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4292 io->io1.minimum, io->io1.maximum,
4293 io->io1.address_length);
4294 /* Type 1 have 2 ioports */
4295 if (io->io2.minimum) {
4296 if (request_region(io->io2.minimum,
4297 io->io2.address_length,
4298 "Sony Programmable I/O Device")) {
4299 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4300 io->io2.minimum, io->io2.maximum,
4301 io->io2.address_length);
4302 spic_dev.cur_ioport = io;
4303 break;
4304 }
4305 else {
4306 dprintk("Unable to get I/O port2: "
4307 "0x%.4x (0x%.4x) + 0x%.2x\n",
4308 io->io2.minimum, io->io2.maximum,
4309 io->io2.address_length);
4310 release_region(io->io1.minimum,
4311 io->io1.address_length);
4312 }
4313 }
4314 else {
4315 spic_dev.cur_ioport = io;
4316 break;
4317 }
4318 }
4319 }
4320 if (!spic_dev.cur_ioport) {
4321 pr_err("Failed to request_region\n");
4322 result = -ENODEV;
4323 goto err_remove_compat;
4324 }
4325
4326 /* request IRQ */
4327 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4328 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4329 0, "sony-laptop", &spic_dev)) {
4330 dprintk("IRQ: %d - triggering: %d - "
4331 "polarity: %d - shr: %d\n",
4332 irq->irq.interrupts[0],
4333 irq->irq.triggering,
4334 irq->irq.polarity,
4335 irq->irq.sharable);
4336 spic_dev.cur_irq = irq;
4337 break;
4338 }
4339 }
4340 if (!spic_dev.cur_irq) {
4341 pr_err("Failed to request_irq\n");
4342 result = -ENODEV;
4343 goto err_release_region;
4344 }
4345
4346 /* set resource status _SRS */
4347 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4348 if (result) {
4349 pr_err("Couldn't enable device\n");
4350 goto err_free_irq;
4351 }
4352
4353 spic_dev.bluetooth_power = -1;
4354 /* create device attributes */
4355 result = sony_pf_add();
4356 if (result)
4357 goto err_disable_device;
4358
4359 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4360 if (result)
4361 goto err_remove_pf;
4362
4363 return 0;
4364
4365 err_remove_pf:
4366 sony_pf_remove();
4367
4368 err_disable_device:
4369 sony_pic_disable(device);
4370
4371 err_free_irq:
4372 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4373
4374 err_release_region:
4375 release_region(spic_dev.cur_ioport->io1.minimum,
4376 spic_dev.cur_ioport->io1.address_length);
4377 if (spic_dev.cur_ioport->io2.minimum)
4378 release_region(spic_dev.cur_ioport->io2.minimum,
4379 spic_dev.cur_ioport->io2.address_length);
4380
4381 err_remove_compat:
4382 sonypi_compat_exit();
4383
4384 err_remove_input:
4385 sony_laptop_remove_input();
4386
4387 err_free_resources:
4388 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4389 list_del(&io->list);
4390 kfree(io);
4391 }
4392 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4393 list_del(&irq->list);
4394 kfree(irq);
4395 }
4396 spic_dev.cur_ioport = NULL;
4397 spic_dev.cur_irq = NULL;
4398
4399 return result;
4400 }
4401
4402 #ifdef CONFIG_PM_SLEEP
4403 static int sony_pic_suspend(struct device *dev)
4404 {
4405 if (sony_pic_disable(to_acpi_device(dev)))
4406 return -ENXIO;
4407 return 0;
4408 }
4409
4410 static int sony_pic_resume(struct device *dev)
4411 {
4412 sony_pic_enable(to_acpi_device(dev),
4413 spic_dev.cur_ioport, spic_dev.cur_irq);
4414 return 0;
4415 }
4416 #endif
4417
4418 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4419
4420 static const struct acpi_device_id sony_pic_device_ids[] = {
4421 {SONY_PIC_HID, 0},
4422 {"", 0},
4423 };
4424
4425 static struct acpi_driver sony_pic_driver = {
4426 .name = SONY_PIC_DRIVER_NAME,
4427 .class = SONY_PIC_CLASS,
4428 .ids = sony_pic_device_ids,
4429 .owner = THIS_MODULE,
4430 .ops = {
4431 .add = sony_pic_add,
4432 .remove = sony_pic_remove,
4433 },
4434 .drv.pm = &sony_pic_pm,
4435 };
4436
4437 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4438 {
4439 .ident = "Sony Vaio",
4440 .matches = {
4441 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4442 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4443 },
4444 },
4445 {
4446 .ident = "Sony Vaio",
4447 .matches = {
4448 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4449 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4450 },
4451 },
4452 { }
4453 };
4454
4455 static int __init sony_laptop_init(void)
4456 {
4457 int result;
4458
4459 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4460 result = acpi_bus_register_driver(&sony_pic_driver);
4461 if (result) {
4462 pr_err("Unable to register SPIC driver\n");
4463 goto out;
4464 }
4465 spic_drv_registered = 1;
4466 }
4467
4468 result = acpi_bus_register_driver(&sony_nc_driver);
4469 if (result) {
4470 pr_err("Unable to register SNC driver\n");
4471 goto out_unregister_pic;
4472 }
4473
4474 return 0;
4475
4476 out_unregister_pic:
4477 if (spic_drv_registered)
4478 acpi_bus_unregister_driver(&sony_pic_driver);
4479 out:
4480 return result;
4481 }
4482
4483 static void __exit sony_laptop_exit(void)
4484 {
4485 acpi_bus_unregister_driver(&sony_nc_driver);
4486 if (spic_drv_registered)
4487 acpi_bus_unregister_driver(&sony_pic_driver);
4488 }
4489
4490 module_init(sony_laptop_init);
4491 module_exit(sony_laptop_exit);
Linux with added FPC-III support