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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 <acpi/acpi_drivers.h>
65#include <acpi/acpi_bus.h>
66#include <asm/uaccess.h>
67#include <linux/sonypi.h>
68#include <linux/sony-laptop.h>
69#include <linux/rfkill.h>
70#ifdef CONFIG_SONYPI_COMPAT
71#include <linux/poll.h>
72#include <linux/miscdevice.h>
73#endif
74
75#define dprintk(fmt, ...) \
76do { \
77 if (debug) \
78 pr_warn(fmt, ##__VA_ARGS__); \
79} while (0)
80
81#define SONY_LAPTOP_DRIVER_VERSION "0.6"
82
83#define SONY_NC_CLASS "sony-nc"
84#define SONY_NC_HID "SNY5001"
85#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
86
87#define SONY_PIC_CLASS "sony-pic"
88#define SONY_PIC_HID "SNY6001"
89#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
90
91MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
92MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
93MODULE_LICENSE("GPL");
94MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
95
96static int debug;
97module_param(debug, int, 0);
98MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
99 "the development of this driver");
100
101static int no_spic; /* = 0 */
102module_param(no_spic, int, 0444);
103MODULE_PARM_DESC(no_spic,
104 "set this if you don't want to enable the SPIC device");
105
106static int compat; /* = 0 */
107module_param(compat, int, 0444);
108MODULE_PARM_DESC(compat,
109 "set this if you want to enable backward compatibility mode");
110
111static unsigned long mask = 0xffffffff;
112module_param(mask, ulong, 0644);
113MODULE_PARM_DESC(mask,
114 "set this to the mask of event you want to enable (see doc)");
115
116static int camera; /* = 0 */
117module_param(camera, int, 0444);
118MODULE_PARM_DESC(camera,
119 "set this to 1 to enable Motion Eye camera controls "
120 "(only use it if you have a C1VE or C1VN model)");
121
122#ifdef CONFIG_SONYPI_COMPAT
123static int minor = -1;
124module_param(minor, int, 0);
125MODULE_PARM_DESC(minor,
126 "minor number of the misc device for the SPIC compatibility code, "
127 "default is -1 (automatic)");
128#endif
129
130static int kbd_backlight; /* = 1 */
131module_param(kbd_backlight, int, 0444);
132MODULE_PARM_DESC(kbd_backlight,
133 "set this to 0 to disable keyboard backlight, "
134 "1 to enable it (default: 0)");
135
136static int kbd_backlight_timeout; /* = 0 */
137module_param(kbd_backlight_timeout, int, 0444);
138MODULE_PARM_DESC(kbd_backlight_timeout,
139 "set this to 0 to set the default 10 seconds timeout, "
140 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
141 "(default: 0)");
142
143static void sony_nc_kbd_backlight_resume(void);
144
145enum sony_nc_rfkill {
146 SONY_WIFI,
147 SONY_BLUETOOTH,
148 SONY_WWAN,
149 SONY_WIMAX,
150 N_SONY_RFKILL,
151};
152
153static int sony_rfkill_handle;
154static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
155static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
156static void sony_nc_rfkill_update(void);
157
158/*********** Input Devices ***********/
159
160#define SONY_LAPTOP_BUF_SIZE 128
161struct sony_laptop_input_s {
162 atomic_t users;
163 struct input_dev *jog_dev;
164 struct input_dev *key_dev;
165 struct kfifo fifo;
166 spinlock_t fifo_lock;
167 struct timer_list release_key_timer;
168};
169
170static struct sony_laptop_input_s sony_laptop_input = {
171 .users = ATOMIC_INIT(0),
172};
173
174struct sony_laptop_keypress {
175 struct input_dev *dev;
176 int key;
177};
178
179/* Correspondance table between sonypi events
180 * and input layer indexes in the keymap
181 */
182static int sony_laptop_input_index[] = {
183 -1, /* 0 no event */
184 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
185 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
186 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
187 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
188 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
189 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
190 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
191 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
192 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
193 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
194 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
195 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
196 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
197 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
198 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
199 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
200 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
201 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
202 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
203 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
204 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
205 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
206 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
207 17, /* 24 SONYPI_EVENT_FNKEY_1 */
208 18, /* 25 SONYPI_EVENT_FNKEY_2 */
209 19, /* 26 SONYPI_EVENT_FNKEY_D */
210 20, /* 27 SONYPI_EVENT_FNKEY_E */
211 21, /* 28 SONYPI_EVENT_FNKEY_F */
212 22, /* 29 SONYPI_EVENT_FNKEY_S */
213 23, /* 30 SONYPI_EVENT_FNKEY_B */
214 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
215 25, /* 32 SONYPI_EVENT_PKEY_P1 */
216 26, /* 33 SONYPI_EVENT_PKEY_P2 */
217 27, /* 34 SONYPI_EVENT_PKEY_P3 */
218 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
219 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
220 -1, /* 37 SONYPI_EVENT_LID_OPENED */
221 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
222 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
223 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
224 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
225 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
226 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
227 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
228 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
229 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
230 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
231 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
232 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
233 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
234 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
235 43, /* 52 SONYPI_EVENT_MEYE_FACE */
236 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
237 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
238 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
239 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
240 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
241 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
242 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
243 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
244 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
245 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
246 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
247 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
248 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
249 53, /* 66 SONYPI_EVENT_PKEY_P4 */
250 54, /* 67 SONYPI_EVENT_PKEY_P5 */
251 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
252 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
253 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
254 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
255 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
256 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
257};
258
259static int sony_laptop_input_keycode_map[] = {
260 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
261 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
262 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
263 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
264 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
265 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
266 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
267 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
268 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
269 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
270 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
271 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
272 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
273 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
274 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
275 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
276 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
277 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
278 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
279 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
280 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
281 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
282 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
283 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
284 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
285 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
286 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
287 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
288 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
289 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
290 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
291 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
292 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
293 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
294 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
295 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
296 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
297 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
298 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
299 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
300 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
301 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
302 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
303 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
304 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
305 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
306 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
307 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
308 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
309 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
310 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
311 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
312 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
313 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
314 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
315 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
316 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
317 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
318 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
319 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
320};
321
322/* release buttons after a short delay if pressed */
323static void do_sony_laptop_release_key(unsigned long unused)
324{
325 struct sony_laptop_keypress kp;
326 unsigned long flags;
327
328 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
329
330 if (kfifo_out(&sony_laptop_input.fifo,
331 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
332 input_report_key(kp.dev, kp.key, 0);
333 input_sync(kp.dev);
334 }
335
336 /* If there is something in the fifo schedule next release. */
337 if (kfifo_len(&sony_laptop_input.fifo) != 0)
338 mod_timer(&sony_laptop_input.release_key_timer,
339 jiffies + msecs_to_jiffies(10));
340
341 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
342}
343
344/* forward event to the input subsystem */
345static void sony_laptop_report_input_event(u8 event)
346{
347 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
348 struct input_dev *key_dev = sony_laptop_input.key_dev;
349 struct sony_laptop_keypress kp = { NULL };
350
351 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
352 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
353 /* Nothing, not all VAIOs generate this event */
354 return;
355 }
356
357 /* report events */
358 switch (event) {
359 /* jog_dev events */
360 case SONYPI_EVENT_JOGDIAL_UP:
361 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
362 input_report_rel(jog_dev, REL_WHEEL, 1);
363 input_sync(jog_dev);
364 return;
365
366 case SONYPI_EVENT_JOGDIAL_DOWN:
367 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
368 input_report_rel(jog_dev, REL_WHEEL, -1);
369 input_sync(jog_dev);
370 return;
371
372 /* key_dev events */
373 case SONYPI_EVENT_JOGDIAL_PRESSED:
374 kp.key = BTN_MIDDLE;
375 kp.dev = jog_dev;
376 break;
377
378 default:
379 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
380 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
381 break;
382 }
383 if (sony_laptop_input_index[event] != -1) {
384 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
385 if (kp.key != KEY_UNKNOWN)
386 kp.dev = key_dev;
387 }
388 break;
389 }
390
391 if (kp.dev) {
392 input_report_key(kp.dev, kp.key, 1);
393 /* we emit the scancode so we can always remap the key */
394 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
395 input_sync(kp.dev);
396
397 /* schedule key release */
398 kfifo_in_locked(&sony_laptop_input.fifo,
399 (unsigned char *)&kp, sizeof(kp),
400 &sony_laptop_input.fifo_lock);
401 mod_timer(&sony_laptop_input.release_key_timer,
402 jiffies + msecs_to_jiffies(10));
403 } else
404 dprintk("unknown input event %.2x\n", event);
405}
406
407static int sony_laptop_setup_input(struct acpi_device *acpi_device)
408{
409 struct input_dev *jog_dev;
410 struct input_dev *key_dev;
411 int i;
412 int error;
413
414 /* don't run again if already initialized */
415 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
416 return 0;
417
418 /* kfifo */
419 spin_lock_init(&sony_laptop_input.fifo_lock);
420 error = kfifo_alloc(&sony_laptop_input.fifo,
421 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
422 if (error) {
423 pr_err("kfifo_alloc failed\n");
424 goto err_dec_users;
425 }
426
427 setup_timer(&sony_laptop_input.release_key_timer,
428 do_sony_laptop_release_key, 0);
429
430 /* input keys */
431 key_dev = input_allocate_device();
432 if (!key_dev) {
433 error = -ENOMEM;
434 goto err_free_kfifo;
435 }
436
437 key_dev->name = "Sony Vaio Keys";
438 key_dev->id.bustype = BUS_ISA;
439 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
440 key_dev->dev.parent = &acpi_device->dev;
441
442 /* Initialize the Input Drivers: special keys */
443 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
444
445 __set_bit(EV_KEY, key_dev->evbit);
446 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
447 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
448 key_dev->keycode = &sony_laptop_input_keycode_map;
449 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
450 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
451 __clear_bit(KEY_RESERVED, key_dev->keybit);
452
453 error = input_register_device(key_dev);
454 if (error)
455 goto err_free_keydev;
456
457 sony_laptop_input.key_dev = key_dev;
458
459 /* jogdial */
460 jog_dev = input_allocate_device();
461 if (!jog_dev) {
462 error = -ENOMEM;
463 goto err_unregister_keydev;
464 }
465
466 jog_dev->name = "Sony Vaio Jogdial";
467 jog_dev->id.bustype = BUS_ISA;
468 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
469 key_dev->dev.parent = &acpi_device->dev;
470
471 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
472 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
473
474 error = input_register_device(jog_dev);
475 if (error)
476 goto err_free_jogdev;
477
478 sony_laptop_input.jog_dev = jog_dev;
479
480 return 0;
481
482err_free_jogdev:
483 input_free_device(jog_dev);
484
485err_unregister_keydev:
486 input_unregister_device(key_dev);
487 /* to avoid kref underflow below at input_free_device */
488 key_dev = NULL;
489
490err_free_keydev:
491 input_free_device(key_dev);
492
493err_free_kfifo:
494 kfifo_free(&sony_laptop_input.fifo);
495
496err_dec_users:
497 atomic_dec(&sony_laptop_input.users);
498 return error;
499}
500
501static void sony_laptop_remove_input(void)
502{
503 struct sony_laptop_keypress kp = { NULL };
504
505 /* Cleanup only after the last user has gone */
506 if (!atomic_dec_and_test(&sony_laptop_input.users))
507 return;
508
509 del_timer_sync(&sony_laptop_input.release_key_timer);
510
511 /*
512 * Generate key-up events for remaining keys. Note that we don't
513 * need locking since nobody is adding new events to the kfifo.
514 */
515 while (kfifo_out(&sony_laptop_input.fifo,
516 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
517 input_report_key(kp.dev, kp.key, 0);
518 input_sync(kp.dev);
519 }
520
521 /* destroy input devs */
522 input_unregister_device(sony_laptop_input.key_dev);
523 sony_laptop_input.key_dev = NULL;
524
525 if (sony_laptop_input.jog_dev) {
526 input_unregister_device(sony_laptop_input.jog_dev);
527 sony_laptop_input.jog_dev = NULL;
528 }
529
530 kfifo_free(&sony_laptop_input.fifo);
531}
532
533/*********** Platform Device ***********/
534
535static atomic_t sony_pf_users = ATOMIC_INIT(0);
536static struct platform_driver sony_pf_driver = {
537 .driver = {
538 .name = "sony-laptop",
539 .owner = THIS_MODULE,
540 }
541};
542static struct platform_device *sony_pf_device;
543
544static int sony_pf_add(void)
545{
546 int ret = 0;
547
548 /* don't run again if already initialized */
549 if (atomic_add_return(1, &sony_pf_users) > 1)
550 return 0;
551
552 ret = platform_driver_register(&sony_pf_driver);
553 if (ret)
554 goto out;
555
556 sony_pf_device = platform_device_alloc("sony-laptop", -1);
557 if (!sony_pf_device) {
558 ret = -ENOMEM;
559 goto out_platform_registered;
560 }
561
562 ret = platform_device_add(sony_pf_device);
563 if (ret)
564 goto out_platform_alloced;
565
566 return 0;
567
568 out_platform_alloced:
569 platform_device_put(sony_pf_device);
570 sony_pf_device = NULL;
571 out_platform_registered:
572 platform_driver_unregister(&sony_pf_driver);
573 out:
574 atomic_dec(&sony_pf_users);
575 return ret;
576}
577
578static void sony_pf_remove(void)
579{
580 /* deregister only after the last user has gone */
581 if (!atomic_dec_and_test(&sony_pf_users))
582 return;
583
584 platform_device_unregister(sony_pf_device);
585 platform_driver_unregister(&sony_pf_driver);
586}
587
588/*********** SNC (SNY5001) Device ***********/
589
590/* the device uses 1-based values, while the backlight subsystem uses
591 0-based values */
592#define SONY_MAX_BRIGHTNESS 8
593
594#define SNC_VALIDATE_IN 0
595#define SNC_VALIDATE_OUT 1
596
597static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
598 char *);
599static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
600 const char *, size_t);
601static int boolean_validate(const int, const int);
602static int brightness_default_validate(const int, const int);
603
604struct sony_nc_value {
605 char *name; /* name of the entry */
606 char **acpiget; /* names of the ACPI get function */
607 char **acpiset; /* names of the ACPI set function */
608 int (*validate)(const int, const int); /* input/output validation */
609 int value; /* current setting */
610 int valid; /* Has ever been set */
611 int debug; /* active only in debug mode ? */
612 struct device_attribute devattr; /* sysfs attribute */
613};
614
615#define SNC_HANDLE_NAMES(_name, _values...) \
616 static char *snc_##_name[] = { _values, NULL }
617
618#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
619 { \
620 .name = __stringify(_name), \
621 .acpiget = _getters, \
622 .acpiset = _setters, \
623 .validate = _validate, \
624 .debug = _debug, \
625 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
626 }
627
628#define SNC_HANDLE_NULL { .name = NULL }
629
630SNC_HANDLE_NAMES(fnkey_get, "GHKE");
631
632SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
633SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
634
635SNC_HANDLE_NAMES(cdpower_get, "GCDP");
636SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
637
638SNC_HANDLE_NAMES(audiopower_get, "GAZP");
639SNC_HANDLE_NAMES(audiopower_set, "AZPW");
640
641SNC_HANDLE_NAMES(lanpower_get, "GLNP");
642SNC_HANDLE_NAMES(lanpower_set, "LNPW");
643
644SNC_HANDLE_NAMES(lidstate_get, "GLID");
645
646SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
647SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
648
649SNC_HANDLE_NAMES(gainbass_get, "GMGB");
650SNC_HANDLE_NAMES(gainbass_set, "CMGB");
651
652SNC_HANDLE_NAMES(PID_get, "GPID");
653
654SNC_HANDLE_NAMES(CTR_get, "GCTR");
655SNC_HANDLE_NAMES(CTR_set, "SCTR");
656
657SNC_HANDLE_NAMES(PCR_get, "GPCR");
658SNC_HANDLE_NAMES(PCR_set, "SPCR");
659
660SNC_HANDLE_NAMES(CMI_get, "GCMI");
661SNC_HANDLE_NAMES(CMI_set, "SCMI");
662
663static struct sony_nc_value sony_nc_values[] = {
664 SNC_HANDLE(brightness_default, snc_brightness_def_get,
665 snc_brightness_def_set, brightness_default_validate, 0),
666 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
667 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
668 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
669 boolean_validate, 0),
670 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
671 boolean_validate, 1),
672 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
673 boolean_validate, 0),
674 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
675 boolean_validate, 0),
676 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
677 boolean_validate, 0),
678 /* unknown methods */
679 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
680 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
681 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
682 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
683 SNC_HANDLE_NULL
684};
685
686static acpi_handle sony_nc_acpi_handle;
687static struct acpi_device *sony_nc_acpi_device = NULL;
688
689/*
690 * acpi_evaluate_object wrappers
691 */
692static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
693{
694 struct acpi_buffer output;
695 union acpi_object out_obj;
696 acpi_status status;
697
698 output.length = sizeof(out_obj);
699 output.pointer = &out_obj;
700
701 status = acpi_evaluate_object(handle, name, NULL, &output);
702 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
703 *result = out_obj.integer.value;
704 return 0;
705 }
706
707 pr_warn("acpi_callreadfunc failed\n");
708
709 return -1;
710}
711
712static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
713 int *result)
714{
715 struct acpi_object_list params;
716 union acpi_object in_obj;
717 struct acpi_buffer output;
718 union acpi_object out_obj;
719 acpi_status status;
720
721 params.count = 1;
722 params.pointer = &in_obj;
723 in_obj.type = ACPI_TYPE_INTEGER;
724 in_obj.integer.value = value;
725
726 output.length = sizeof(out_obj);
727 output.pointer = &out_obj;
728
729 status = acpi_evaluate_object(handle, name, ¶ms, &output);
730 if (status == AE_OK) {
731 if (result != NULL) {
732 if (out_obj.type != ACPI_TYPE_INTEGER) {
733 pr_warn("acpi_evaluate_object bad return type\n");
734 return -1;
735 }
736 *result = out_obj.integer.value;
737 }
738 return 0;
739 }
740
741 pr_warn("acpi_evaluate_object failed\n");
742
743 return -1;
744}
745
746struct sony_nc_handles {
747 u16 cap[0x10];
748 struct device_attribute devattr;
749};
750
751static struct sony_nc_handles *handles;
752
753static ssize_t sony_nc_handles_show(struct device *dev,
754 struct device_attribute *attr, char *buffer)
755{
756 ssize_t len = 0;
757 int i;
758
759 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
760 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
761 handles->cap[i]);
762 }
763 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
764
765 return len;
766}
767
768static int sony_nc_handles_setup(struct platform_device *pd)
769{
770 int i;
771 int result;
772
773 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
774 if (!handles)
775 return -ENOMEM;
776
777 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
778 if (!acpi_callsetfunc(sony_nc_acpi_handle,
779 "SN00", i + 0x20, &result)) {
780 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
781 result, i);
782 handles->cap[i] = result;
783 }
784 }
785
786 if (debug) {
787 sysfs_attr_init(&handles->devattr.attr);
788 handles->devattr.attr.name = "handles";
789 handles->devattr.attr.mode = S_IRUGO;
790 handles->devattr.show = sony_nc_handles_show;
791
792 /* allow reading capabilities via sysfs */
793 if (device_create_file(&pd->dev, &handles->devattr)) {
794 kfree(handles);
795 handles = NULL;
796 return -1;
797 }
798 }
799
800 return 0;
801}
802
803static int sony_nc_handles_cleanup(struct platform_device *pd)
804{
805 if (handles) {
806 if (debug)
807 device_remove_file(&pd->dev, &handles->devattr);
808 kfree(handles);
809 handles = NULL;
810 }
811 return 0;
812}
813
814static int sony_find_snc_handle(int handle)
815{
816 int i;
817
818 /* not initialized yet, return early */
819 if (!handles)
820 return -1;
821
822 for (i = 0; i < 0x10; i++) {
823 if (handles->cap[i] == handle) {
824 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
825 handle, i);
826 return i;
827 }
828 }
829 dprintk("handle 0x%.4x not found\n", handle);
830 return -1;
831}
832
833static int sony_call_snc_handle(int handle, int argument, int *result)
834{
835 int ret = 0;
836 int offset = sony_find_snc_handle(handle);
837
838 if (offset < 0)
839 return -1;
840
841 ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
842 result);
843 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
844 *result);
845 return ret;
846}
847
848/*
849 * sony_nc_values input/output validate functions
850 */
851
852/* brightness_default_validate:
853 *
854 * manipulate input output values to keep consistency with the
855 * backlight framework for which brightness values are 0-based.
856 */
857static int brightness_default_validate(const int direction, const int value)
858{
859 switch (direction) {
860 case SNC_VALIDATE_OUT:
861 return value - 1;
862 case SNC_VALIDATE_IN:
863 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
864 return value + 1;
865 }
866 return -EINVAL;
867}
868
869/* boolean_validate:
870 *
871 * on input validate boolean values 0/1, on output just pass the
872 * received value.
873 */
874static int boolean_validate(const int direction, const int value)
875{
876 if (direction == SNC_VALIDATE_IN) {
877 if (value != 0 && value != 1)
878 return -EINVAL;
879 }
880 return value;
881}
882
883/*
884 * Sysfs show/store common to all sony_nc_values
885 */
886static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
887 char *buffer)
888{
889 int value;
890 struct sony_nc_value *item =
891 container_of(attr, struct sony_nc_value, devattr);
892
893 if (!*item->acpiget)
894 return -EIO;
895
896 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
897 return -EIO;
898
899 if (item->validate)
900 value = item->validate(SNC_VALIDATE_OUT, value);
901
902 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
903}
904
905static ssize_t sony_nc_sysfs_store(struct device *dev,
906 struct device_attribute *attr,
907 const char *buffer, size_t count)
908{
909 int value;
910 struct sony_nc_value *item =
911 container_of(attr, struct sony_nc_value, devattr);
912
913 if (!item->acpiset)
914 return -EIO;
915
916 if (count > 31)
917 return -EINVAL;
918
919 value = simple_strtoul(buffer, NULL, 10);
920
921 if (item->validate)
922 value = item->validate(SNC_VALIDATE_IN, value);
923
924 if (value < 0)
925 return value;
926
927 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
928 return -EIO;
929 item->value = value;
930 item->valid = 1;
931 return count;
932}
933
934
935/*
936 * Backlight device
937 */
938struct sony_backlight_props {
939 struct backlight_device *dev;
940 int handle;
941 u8 offset;
942 u8 maxlvl;
943};
944struct sony_backlight_props sony_bl_props;
945
946static int sony_backlight_update_status(struct backlight_device *bd)
947{
948 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
949 bd->props.brightness + 1, NULL);
950}
951
952static int sony_backlight_get_brightness(struct backlight_device *bd)
953{
954 int value;
955
956 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
957 return 0;
958 /* brightness levels are 1-based, while backlight ones are 0-based */
959 return value - 1;
960}
961
962static int sony_nc_get_brightness_ng(struct backlight_device *bd)
963{
964 int result;
965 struct sony_backlight_props *sdev =
966 (struct sony_backlight_props *)bl_get_data(bd);
967
968 sony_call_snc_handle(sdev->handle, 0x0200, &result);
969
970 return (result & 0xff) - sdev->offset;
971}
972
973static int sony_nc_update_status_ng(struct backlight_device *bd)
974{
975 int value, result;
976 struct sony_backlight_props *sdev =
977 (struct sony_backlight_props *)bl_get_data(bd);
978
979 value = bd->props.brightness + sdev->offset;
980 if (sony_call_snc_handle(sdev->handle, 0x0100 | (value << 16), &result))
981 return -EIO;
982
983 return value;
984}
985
986static const struct backlight_ops sony_backlight_ops = {
987 .options = BL_CORE_SUSPENDRESUME,
988 .update_status = sony_backlight_update_status,
989 .get_brightness = sony_backlight_get_brightness,
990};
991static const struct backlight_ops sony_backlight_ng_ops = {
992 .options = BL_CORE_SUSPENDRESUME,
993 .update_status = sony_nc_update_status_ng,
994 .get_brightness = sony_nc_get_brightness_ng,
995};
996
997/*
998 * New SNC-only Vaios event mapping to driver known keys
999 */
1000struct sony_nc_event {
1001 u8 data;
1002 u8 event;
1003};
1004
1005static struct sony_nc_event sony_100_events[] = {
1006 { 0x90, SONYPI_EVENT_PKEY_P1 },
1007 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1008 { 0x91, SONYPI_EVENT_PKEY_P2 },
1009 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1010 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1011 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1012 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1013 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1014 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1015 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1016 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1017 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1018 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1019 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1020 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1021 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1022 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1023 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1024 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1025 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1026 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1027 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1028 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1029 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1030 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1031 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1032 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1033 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1034 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1035 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1036 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1037 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1038 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1039 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1040 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1041 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1042 { 0, 0 },
1043};
1044
1045static struct sony_nc_event sony_127_events[] = {
1046 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1047 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1048 { 0x82, SONYPI_EVENT_PKEY_P1 },
1049 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1050 { 0x83, SONYPI_EVENT_PKEY_P2 },
1051 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1052 { 0x84, SONYPI_EVENT_PKEY_P3 },
1053 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1054 { 0x85, SONYPI_EVENT_PKEY_P4 },
1055 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1056 { 0x86, SONYPI_EVENT_PKEY_P5 },
1057 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1058 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1059 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1060 { 0, 0 },
1061};
1062
1063/*
1064 * ACPI callbacks
1065 */
1066static void sony_nc_notify(struct acpi_device *device, u32 event)
1067{
1068 u32 ev = event;
1069
1070 if (ev >= 0x90) {
1071 /* New-style event */
1072 int result;
1073 int key_handle = 0;
1074 ev -= 0x90;
1075
1076 if (sony_find_snc_handle(0x100) == ev)
1077 key_handle = 0x100;
1078 if (sony_find_snc_handle(0x127) == ev)
1079 key_handle = 0x127;
1080
1081 if (key_handle) {
1082 struct sony_nc_event *key_event;
1083
1084 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
1085 dprintk("sony_nc_notify, unable to decode"
1086 " event 0x%.2x 0x%.2x\n", key_handle,
1087 ev);
1088 /* restore the original event */
1089 ev = event;
1090 } else {
1091 ev = result & 0xFF;
1092
1093 if (key_handle == 0x100)
1094 key_event = sony_100_events;
1095 else
1096 key_event = sony_127_events;
1097
1098 for (; key_event->data; key_event++) {
1099 if (key_event->data == ev) {
1100 ev = key_event->event;
1101 break;
1102 }
1103 }
1104
1105 if (!key_event->data)
1106 pr_info("Unknown event: 0x%x 0x%x\n",
1107 key_handle, ev);
1108 else
1109 sony_laptop_report_input_event(ev);
1110 }
1111 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
1112 sony_nc_rfkill_update();
1113 return;
1114 }
1115 } else
1116 sony_laptop_report_input_event(ev);
1117
1118 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
1119 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
1120}
1121
1122static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1123 void *context, void **return_value)
1124{
1125 struct acpi_device_info *info;
1126
1127 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1128 pr_warn("method: name: %4.4s, args %X\n",
1129 (char *)&info->name, info->param_count);
1130
1131 kfree(info);
1132 }
1133
1134 return AE_OK;
1135}
1136
1137/*
1138 * ACPI device
1139 */
1140static int sony_nc_function_setup(struct acpi_device *device)
1141{
1142 int result;
1143
1144 /* Enable all events */
1145 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1146
1147 /* Setup hotkeys */
1148 sony_call_snc_handle(0x0100, 0, &result);
1149 sony_call_snc_handle(0x0101, 0, &result);
1150 sony_call_snc_handle(0x0102, 0x100, &result);
1151 sony_call_snc_handle(0x0127, 0, &result);
1152
1153 return 0;
1154}
1155
1156static int sony_nc_resume(struct acpi_device *device)
1157{
1158 struct sony_nc_value *item;
1159 acpi_handle handle;
1160
1161 for (item = sony_nc_values; item->name; item++) {
1162 int ret;
1163
1164 if (!item->valid)
1165 continue;
1166 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1167 item->value, NULL);
1168 if (ret < 0) {
1169 pr_err("%s: %d\n", __func__, ret);
1170 break;
1171 }
1172 }
1173
1174 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1175 &handle))) {
1176 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1177 dprintk("ECON Method failed\n");
1178 }
1179
1180 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1181 &handle))) {
1182 dprintk("Doing SNC setup\n");
1183 sony_nc_function_setup(device);
1184 }
1185
1186 /* re-read rfkill state */
1187 sony_nc_rfkill_update();
1188
1189 /* restore kbd backlight states */
1190 sony_nc_kbd_backlight_resume();
1191
1192 return 0;
1193}
1194
1195static void sony_nc_rfkill_cleanup(void)
1196{
1197 int i;
1198
1199 for (i = 0; i < N_SONY_RFKILL; i++) {
1200 if (sony_rfkill_devices[i]) {
1201 rfkill_unregister(sony_rfkill_devices[i]);
1202 rfkill_destroy(sony_rfkill_devices[i]);
1203 }
1204 }
1205}
1206
1207static int sony_nc_rfkill_set(void *data, bool blocked)
1208{
1209 int result;
1210 int argument = sony_rfkill_address[(long) data] + 0x100;
1211
1212 if (!blocked)
1213 argument |= 0xff0000;
1214
1215 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1216}
1217
1218static const struct rfkill_ops sony_rfkill_ops = {
1219 .set_block = sony_nc_rfkill_set,
1220};
1221
1222static int sony_nc_setup_rfkill(struct acpi_device *device,
1223 enum sony_nc_rfkill nc_type)
1224{
1225 int err = 0;
1226 struct rfkill *rfk;
1227 enum rfkill_type type;
1228 const char *name;
1229 int result;
1230 bool hwblock;
1231
1232 switch (nc_type) {
1233 case SONY_WIFI:
1234 type = RFKILL_TYPE_WLAN;
1235 name = "sony-wifi";
1236 break;
1237 case SONY_BLUETOOTH:
1238 type = RFKILL_TYPE_BLUETOOTH;
1239 name = "sony-bluetooth";
1240 break;
1241 case SONY_WWAN:
1242 type = RFKILL_TYPE_WWAN;
1243 name = "sony-wwan";
1244 break;
1245 case SONY_WIMAX:
1246 type = RFKILL_TYPE_WIMAX;
1247 name = "sony-wimax";
1248 break;
1249 default:
1250 return -EINVAL;
1251 }
1252
1253 rfk = rfkill_alloc(name, &device->dev, type,
1254 &sony_rfkill_ops, (void *)nc_type);
1255 if (!rfk)
1256 return -ENOMEM;
1257
1258 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1259 hwblock = !(result & 0x1);
1260 rfkill_set_hw_state(rfk, hwblock);
1261
1262 err = rfkill_register(rfk);
1263 if (err) {
1264 rfkill_destroy(rfk);
1265 return err;
1266 }
1267 sony_rfkill_devices[nc_type] = rfk;
1268 return err;
1269}
1270
1271static void sony_nc_rfkill_update(void)
1272{
1273 enum sony_nc_rfkill i;
1274 int result;
1275 bool hwblock;
1276
1277 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1278 hwblock = !(result & 0x1);
1279
1280 for (i = 0; i < N_SONY_RFKILL; i++) {
1281 int argument = sony_rfkill_address[i];
1282
1283 if (!sony_rfkill_devices[i])
1284 continue;
1285
1286 if (hwblock) {
1287 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1288 /* we already know we're blocked */
1289 }
1290 continue;
1291 }
1292
1293 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1294 rfkill_set_states(sony_rfkill_devices[i],
1295 !(result & 0xf), false);
1296 }
1297}
1298
1299static void sony_nc_rfkill_setup(struct acpi_device *device)
1300{
1301 int offset;
1302 u8 dev_code, i;
1303 acpi_status status;
1304 struct acpi_object_list params;
1305 union acpi_object in_obj;
1306 union acpi_object *device_enum;
1307 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1308
1309 offset = sony_find_snc_handle(0x124);
1310 if (offset == -1) {
1311 offset = sony_find_snc_handle(0x135);
1312 if (offset == -1)
1313 return;
1314 else
1315 sony_rfkill_handle = 0x135;
1316 } else
1317 sony_rfkill_handle = 0x124;
1318 dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1319
1320 /* need to read the whole buffer returned by the acpi call to SN06
1321 * here otherwise we may miss some features
1322 */
1323 params.count = 1;
1324 params.pointer = &in_obj;
1325 in_obj.type = ACPI_TYPE_INTEGER;
1326 in_obj.integer.value = offset;
1327 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", ¶ms,
1328 &buffer);
1329 if (ACPI_FAILURE(status)) {
1330 dprintk("Radio device enumeration failed\n");
1331 return;
1332 }
1333
1334 device_enum = (union acpi_object *) buffer.pointer;
1335 if (!device_enum) {
1336 pr_err("No SN06 return object\n");
1337 goto out_no_enum;
1338 }
1339 if (device_enum->type != ACPI_TYPE_BUFFER) {
1340 pr_err("Invalid SN06 return object 0x%.2x\n",
1341 device_enum->type);
1342 goto out_no_enum;
1343 }
1344
1345 /* the buffer is filled with magic numbers describing the devices
1346 * available, 0xff terminates the enumeration
1347 */
1348 for (i = 0; i < device_enum->buffer.length; i++) {
1349
1350 dev_code = *(device_enum->buffer.pointer + i);
1351 if (dev_code == 0xff)
1352 break;
1353
1354 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1355
1356 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1357 sony_nc_setup_rfkill(device, SONY_WIFI);
1358
1359 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1360 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1361
1362 if ((0xf0 & dev_code) == 0x20 &&
1363 !sony_rfkill_devices[SONY_WWAN])
1364 sony_nc_setup_rfkill(device, SONY_WWAN);
1365
1366 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1367 sony_nc_setup_rfkill(device, SONY_WIMAX);
1368 }
1369
1370out_no_enum:
1371 kfree(buffer.pointer);
1372 return;
1373}
1374
1375/* Keyboard backlight feature */
1376#define KBDBL_HANDLER 0x137
1377#define KBDBL_PRESENT 0xB00
1378#define SET_MODE 0xC00
1379#define SET_STATE 0xD00
1380#define SET_TIMEOUT 0xE00
1381
1382struct kbd_backlight {
1383 int mode;
1384 int timeout;
1385 struct device_attribute mode_attr;
1386 struct device_attribute timeout_attr;
1387};
1388
1389static struct kbd_backlight *kbdbl_handle;
1390
1391static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1392{
1393 int result;
1394
1395 if (value > 1)
1396 return -EINVAL;
1397
1398 if (sony_call_snc_handle(KBDBL_HANDLER,
1399 (value << 0x10) | SET_MODE, &result))
1400 return -EIO;
1401
1402 /* Try to turn the light on/off immediately */
1403 sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
1404 &result);
1405
1406 kbdbl_handle->mode = value;
1407
1408 return 0;
1409}
1410
1411static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1412 struct device_attribute *attr,
1413 const char *buffer, size_t count)
1414{
1415 int ret = 0;
1416 unsigned long value;
1417
1418 if (count > 31)
1419 return -EINVAL;
1420
1421 if (strict_strtoul(buffer, 10, &value))
1422 return -EINVAL;
1423
1424 ret = __sony_nc_kbd_backlight_mode_set(value);
1425 if (ret < 0)
1426 return ret;
1427
1428 return count;
1429}
1430
1431static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1432 struct device_attribute *attr, char *buffer)
1433{
1434 ssize_t count = 0;
1435 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
1436 return count;
1437}
1438
1439static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1440{
1441 int result;
1442
1443 if (value > 3)
1444 return -EINVAL;
1445
1446 if (sony_call_snc_handle(KBDBL_HANDLER,
1447 (value << 0x10) | SET_TIMEOUT, &result))
1448 return -EIO;
1449
1450 kbdbl_handle->timeout = value;
1451
1452 return 0;
1453}
1454
1455static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1456 struct device_attribute *attr,
1457 const char *buffer, size_t count)
1458{
1459 int ret = 0;
1460 unsigned long value;
1461
1462 if (count > 31)
1463 return -EINVAL;
1464
1465 if (strict_strtoul(buffer, 10, &value))
1466 return -EINVAL;
1467
1468 ret = __sony_nc_kbd_backlight_timeout_set(value);
1469 if (ret < 0)
1470 return ret;
1471
1472 return count;
1473}
1474
1475static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1476 struct device_attribute *attr, char *buffer)
1477{
1478 ssize_t count = 0;
1479 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
1480 return count;
1481}
1482
1483static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
1484{
1485 int result;
1486
1487 if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
1488 return 0;
1489 if (!(result & 0x02))
1490 return 0;
1491
1492 kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
1493 if (!kbdbl_handle)
1494 return -ENOMEM;
1495
1496 sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
1497 kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
1498 kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1499 kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1500 kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1501
1502 sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
1503 kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
1504 kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1505 kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1506 kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1507
1508 if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
1509 goto outkzalloc;
1510
1511 if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
1512 goto outmode;
1513
1514 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1515 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1516
1517 return 0;
1518
1519outmode:
1520 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1521outkzalloc:
1522 kfree(kbdbl_handle);
1523 kbdbl_handle = NULL;
1524 return -1;
1525}
1526
1527static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1528{
1529 if (kbdbl_handle) {
1530 int result;
1531
1532 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1533 device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
1534
1535 /* restore the default hw behaviour */
1536 sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
1537 sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);
1538
1539 kfree(kbdbl_handle);
1540 }
1541 return 0;
1542}
1543
1544static void sony_nc_kbd_backlight_resume(void)
1545{
1546 int ignore = 0;
1547
1548 if (!kbdbl_handle)
1549 return;
1550
1551 if (kbdbl_handle->mode == 0)
1552 sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);
1553
1554 if (kbdbl_handle->timeout != 0)
1555 sony_call_snc_handle(KBDBL_HANDLER,
1556 (kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
1557 &ignore);
1558}
1559
1560static void sony_nc_backlight_ng_read_limits(int handle,
1561 struct sony_backlight_props *props)
1562{
1563 int offset;
1564 acpi_status status;
1565 u8 brlvl, i;
1566 u8 min = 0xff, max = 0x00;
1567 struct acpi_object_list params;
1568 union acpi_object in_obj;
1569 union acpi_object *lvl_enum;
1570 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1571
1572 props->handle = handle;
1573 props->offset = 0;
1574 props->maxlvl = 0xff;
1575
1576 offset = sony_find_snc_handle(handle);
1577 if (offset < 0)
1578 return;
1579
1580 /* try to read the boundaries from ACPI tables, if we fail the above
1581 * defaults should be reasonable
1582 */
1583 params.count = 1;
1584 params.pointer = &in_obj;
1585 in_obj.type = ACPI_TYPE_INTEGER;
1586 in_obj.integer.value = offset;
1587 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", ¶ms,
1588 &buffer);
1589 if (ACPI_FAILURE(status))
1590 return;
1591
1592 lvl_enum = (union acpi_object *) buffer.pointer;
1593 if (!lvl_enum) {
1594 pr_err("No SN06 return object.");
1595 return;
1596 }
1597 if (lvl_enum->type != ACPI_TYPE_BUFFER) {
1598 pr_err("Invalid SN06 return object 0x%.2x\n",
1599 lvl_enum->type);
1600 goto out_invalid;
1601 }
1602
1603 /* the buffer lists brightness levels available, brightness levels are
1604 * from 0 to 8 in the array, other values are used by ALS control.
1605 */
1606 for (i = 0; i < 9 && i < lvl_enum->buffer.length; i++) {
1607
1608 brlvl = *(lvl_enum->buffer.pointer + i);
1609 dprintk("Brightness level: %d\n", brlvl);
1610
1611 if (!brlvl)
1612 break;
1613
1614 if (brlvl > max)
1615 max = brlvl;
1616 if (brlvl < min)
1617 min = brlvl;
1618 }
1619 props->offset = min;
1620 props->maxlvl = max;
1621 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
1622 props->maxlvl);
1623
1624out_invalid:
1625 kfree(buffer.pointer);
1626 return;
1627}
1628
1629static void sony_nc_backlight_setup(void)
1630{
1631 acpi_handle unused;
1632 int max_brightness = 0;
1633 const struct backlight_ops *ops = NULL;
1634 struct backlight_properties props;
1635
1636 if (sony_find_snc_handle(0x12f) != -1) {
1637 ops = &sony_backlight_ng_ops;
1638 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
1639 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
1640
1641 } else if (sony_find_snc_handle(0x137) != -1) {
1642 ops = &sony_backlight_ng_ops;
1643 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
1644 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
1645
1646 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1647 &unused))) {
1648 ops = &sony_backlight_ops;
1649 max_brightness = SONY_MAX_BRIGHTNESS - 1;
1650
1651 } else
1652 return;
1653
1654 memset(&props, 0, sizeof(struct backlight_properties));
1655 props.type = BACKLIGHT_PLATFORM;
1656 props.max_brightness = max_brightness;
1657 sony_bl_props.dev = backlight_device_register("sony", NULL,
1658 &sony_bl_props,
1659 ops, &props);
1660
1661 if (IS_ERR(sony_bl_props.dev)) {
1662 pr_warn("unable to register backlight device\n");
1663 sony_bl_props.dev = NULL;
1664 } else
1665 sony_bl_props.dev->props.brightness =
1666 ops->get_brightness(sony_bl_props.dev);
1667}
1668
1669static void sony_nc_backlight_cleanup(void)
1670{
1671 if (sony_bl_props.dev)
1672 backlight_device_unregister(sony_bl_props.dev);
1673}
1674
1675static int sony_nc_add(struct acpi_device *device)
1676{
1677 acpi_status status;
1678 int result = 0;
1679 acpi_handle handle;
1680 struct sony_nc_value *item;
1681
1682 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1683
1684 sony_nc_acpi_device = device;
1685 strcpy(acpi_device_class(device), "sony/hotkey");
1686
1687 sony_nc_acpi_handle = device->handle;
1688
1689 /* read device status */
1690 result = acpi_bus_get_status(device);
1691 /* bail IFF the above call was successful and the device is not present */
1692 if (!result && !device->status.present) {
1693 dprintk("Device not present\n");
1694 result = -ENODEV;
1695 goto outwalk;
1696 }
1697
1698 result = sony_pf_add();
1699 if (result)
1700 goto outpresent;
1701
1702 if (debug) {
1703 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
1704 sony_nc_acpi_handle, 1, sony_walk_callback,
1705 NULL, NULL, NULL);
1706 if (ACPI_FAILURE(status)) {
1707 pr_warn("unable to walk acpi resources\n");
1708 result = -ENODEV;
1709 goto outpresent;
1710 }
1711 }
1712
1713 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1714 &handle))) {
1715 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1716 dprintk("ECON Method failed\n");
1717 }
1718
1719 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1720 &handle))) {
1721 dprintk("Doing SNC setup\n");
1722 result = sony_nc_handles_setup(sony_pf_device);
1723 if (result)
1724 goto outpresent;
1725 result = sony_nc_kbd_backlight_setup(sony_pf_device);
1726 if (result)
1727 goto outsnc;
1728 sony_nc_function_setup(device);
1729 sony_nc_rfkill_setup(device);
1730 }
1731
1732 /* setup input devices and helper fifo */
1733 result = sony_laptop_setup_input(device);
1734 if (result) {
1735 pr_err("Unable to create input devices\n");
1736 goto outkbdbacklight;
1737 }
1738
1739 if (acpi_video_backlight_support()) {
1740 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
1741 } else {
1742 sony_nc_backlight_setup();
1743 }
1744
1745 /* create sony_pf sysfs attributes related to the SNC device */
1746 for (item = sony_nc_values; item->name; ++item) {
1747
1748 if (!debug && item->debug)
1749 continue;
1750
1751 /* find the available acpiget as described in the DSDT */
1752 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1753 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1754 *item->acpiget,
1755 &handle))) {
1756 dprintk("Found %s getter: %s\n",
1757 item->name, *item->acpiget);
1758 item->devattr.attr.mode |= S_IRUGO;
1759 break;
1760 }
1761 }
1762
1763 /* find the available acpiset as described in the DSDT */
1764 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1765 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1766 *item->acpiset,
1767 &handle))) {
1768 dprintk("Found %s setter: %s\n",
1769 item->name, *item->acpiset);
1770 item->devattr.attr.mode |= S_IWUSR;
1771 break;
1772 }
1773 }
1774
1775 if (item->devattr.attr.mode != 0) {
1776 result =
1777 device_create_file(&sony_pf_device->dev,
1778 &item->devattr);
1779 if (result)
1780 goto out_sysfs;
1781 }
1782 }
1783
1784 return 0;
1785
1786 out_sysfs:
1787 for (item = sony_nc_values; item->name; ++item) {
1788 device_remove_file(&sony_pf_device->dev, &item->devattr);
1789 }
1790 sony_nc_backlight_cleanup();
1791
1792 sony_laptop_remove_input();
1793
1794 outkbdbacklight:
1795 sony_nc_kbd_backlight_cleanup(sony_pf_device);
1796
1797 outsnc:
1798 sony_nc_handles_cleanup(sony_pf_device);
1799
1800 outpresent:
1801 sony_pf_remove();
1802
1803 outwalk:
1804 sony_nc_rfkill_cleanup();
1805 return result;
1806}
1807
1808static int sony_nc_remove(struct acpi_device *device, int type)
1809{
1810 struct sony_nc_value *item;
1811
1812 sony_nc_backlight_cleanup();
1813
1814 sony_nc_acpi_device = NULL;
1815
1816 for (item = sony_nc_values; item->name; ++item) {
1817 device_remove_file(&sony_pf_device->dev, &item->devattr);
1818 }
1819
1820 sony_nc_kbd_backlight_cleanup(sony_pf_device);
1821 sony_nc_handles_cleanup(sony_pf_device);
1822 sony_pf_remove();
1823 sony_laptop_remove_input();
1824 sony_nc_rfkill_cleanup();
1825 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1826
1827 return 0;
1828}
1829
1830static const struct acpi_device_id sony_device_ids[] = {
1831 {SONY_NC_HID, 0},
1832 {SONY_PIC_HID, 0},
1833 {"", 0},
1834};
1835MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1836
1837static const struct acpi_device_id sony_nc_device_ids[] = {
1838 {SONY_NC_HID, 0},
1839 {"", 0},
1840};
1841
1842static struct acpi_driver sony_nc_driver = {
1843 .name = SONY_NC_DRIVER_NAME,
1844 .class = SONY_NC_CLASS,
1845 .ids = sony_nc_device_ids,
1846 .owner = THIS_MODULE,
1847 .ops = {
1848 .add = sony_nc_add,
1849 .remove = sony_nc_remove,
1850 .resume = sony_nc_resume,
1851 .notify = sony_nc_notify,
1852 },
1853};
1854
1855/*********** SPIC (SNY6001) Device ***********/
1856
1857#define SONYPI_DEVICE_TYPE1 0x00000001
1858#define SONYPI_DEVICE_TYPE2 0x00000002
1859#define SONYPI_DEVICE_TYPE3 0x00000004
1860
1861#define SONYPI_TYPE1_OFFSET 0x04
1862#define SONYPI_TYPE2_OFFSET 0x12
1863#define SONYPI_TYPE3_OFFSET 0x12
1864
1865struct sony_pic_ioport {
1866 struct acpi_resource_io io1;
1867 struct acpi_resource_io io2;
1868 struct list_head list;
1869};
1870
1871struct sony_pic_irq {
1872 struct acpi_resource_irq irq;
1873 struct list_head list;
1874};
1875
1876struct sonypi_eventtypes {
1877 u8 data;
1878 unsigned long mask;
1879 struct sonypi_event *events;
1880};
1881
1882struct sony_pic_dev {
1883 struct acpi_device *acpi_dev;
1884 struct sony_pic_irq *cur_irq;
1885 struct sony_pic_ioport *cur_ioport;
1886 struct list_head interrupts;
1887 struct list_head ioports;
1888 struct mutex lock;
1889 struct sonypi_eventtypes *event_types;
1890 int (*handle_irq)(const u8, const u8);
1891 int model;
1892 u16 evport_offset;
1893 u8 camera_power;
1894 u8 bluetooth_power;
1895 u8 wwan_power;
1896};
1897
1898static struct sony_pic_dev spic_dev = {
1899 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1900 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1901};
1902
1903static int spic_drv_registered;
1904
1905/* Event masks */
1906#define SONYPI_JOGGER_MASK 0x00000001
1907#define SONYPI_CAPTURE_MASK 0x00000002
1908#define SONYPI_FNKEY_MASK 0x00000004
1909#define SONYPI_BLUETOOTH_MASK 0x00000008
1910#define SONYPI_PKEY_MASK 0x00000010
1911#define SONYPI_BACK_MASK 0x00000020
1912#define SONYPI_HELP_MASK 0x00000040
1913#define SONYPI_LID_MASK 0x00000080
1914#define SONYPI_ZOOM_MASK 0x00000100
1915#define SONYPI_THUMBPHRASE_MASK 0x00000200
1916#define SONYPI_MEYE_MASK 0x00000400
1917#define SONYPI_MEMORYSTICK_MASK 0x00000800
1918#define SONYPI_BATTERY_MASK 0x00001000
1919#define SONYPI_WIRELESS_MASK 0x00002000
1920
1921struct sonypi_event {
1922 u8 data;
1923 u8 event;
1924};
1925
1926/* The set of possible button release events */
1927static struct sonypi_event sonypi_releaseev[] = {
1928 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1929 { 0, 0 }
1930};
1931
1932/* The set of possible jogger events */
1933static struct sonypi_event sonypi_joggerev[] = {
1934 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1935 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1936 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1937 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1938 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1939 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1940 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1941 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1942 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1943 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1944 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1945 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1946 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1947 { 0, 0 }
1948};
1949
1950/* The set of possible capture button events */
1951static struct sonypi_event sonypi_captureev[] = {
1952 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1953 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1954 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1955 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1956 { 0, 0 }
1957};
1958
1959/* The set of possible fnkeys events */
1960static struct sonypi_event sonypi_fnkeyev[] = {
1961 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1962 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1963 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1964 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1965 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1966 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1967 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1968 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1969 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1970 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1971 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1972 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1973 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1974 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1975 { 0x21, SONYPI_EVENT_FNKEY_1 },
1976 { 0x22, SONYPI_EVENT_FNKEY_2 },
1977 { 0x31, SONYPI_EVENT_FNKEY_D },
1978 { 0x32, SONYPI_EVENT_FNKEY_E },
1979 { 0x33, SONYPI_EVENT_FNKEY_F },
1980 { 0x34, SONYPI_EVENT_FNKEY_S },
1981 { 0x35, SONYPI_EVENT_FNKEY_B },
1982 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1983 { 0, 0 }
1984};
1985
1986/* The set of possible program key events */
1987static struct sonypi_event sonypi_pkeyev[] = {
1988 { 0x01, SONYPI_EVENT_PKEY_P1 },
1989 { 0x02, SONYPI_EVENT_PKEY_P2 },
1990 { 0x04, SONYPI_EVENT_PKEY_P3 },
1991 { 0x20, SONYPI_EVENT_PKEY_P1 },
1992 { 0, 0 }
1993};
1994
1995/* The set of possible bluetooth events */
1996static struct sonypi_event sonypi_blueev[] = {
1997 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1998 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1999 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
2000 { 0, 0 }
2001};
2002
2003/* The set of possible wireless events */
2004static struct sonypi_event sonypi_wlessev[] = {
2005 { 0x59, SONYPI_EVENT_IGNORE },
2006 { 0x5a, SONYPI_EVENT_IGNORE },
2007 { 0, 0 }
2008};
2009
2010/* The set of possible back button events */
2011static struct sonypi_event sonypi_backev[] = {
2012 { 0x20, SONYPI_EVENT_BACK_PRESSED },
2013 { 0, 0 }
2014};
2015
2016/* The set of possible help button events */
2017static struct sonypi_event sonypi_helpev[] = {
2018 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
2019 { 0, 0 }
2020};
2021
2022
2023/* The set of possible lid events */
2024static struct sonypi_event sonypi_lidev[] = {
2025 { 0x51, SONYPI_EVENT_LID_CLOSED },
2026 { 0x50, SONYPI_EVENT_LID_OPENED },
2027 { 0, 0 }
2028};
2029
2030/* The set of possible zoom events */
2031static struct sonypi_event sonypi_zoomev[] = {
2032 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
2033 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
2034 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2035 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2036 { 0, 0 }
2037};
2038
2039/* The set of possible thumbphrase events */
2040static struct sonypi_event sonypi_thumbphraseev[] = {
2041 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
2042 { 0, 0 }
2043};
2044
2045/* The set of possible motioneye camera events */
2046static struct sonypi_event sonypi_meyeev[] = {
2047 { 0x00, SONYPI_EVENT_MEYE_FACE },
2048 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
2049 { 0, 0 }
2050};
2051
2052/* The set of possible memorystick events */
2053static struct sonypi_event sonypi_memorystickev[] = {
2054 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
2055 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
2056 { 0, 0 }
2057};
2058
2059/* The set of possible battery events */
2060static struct sonypi_event sonypi_batteryev[] = {
2061 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
2062 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
2063 { 0, 0 }
2064};
2065
2066/* The set of possible volume events */
2067static struct sonypi_event sonypi_volumeev[] = {
2068 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
2069 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
2070 { 0, 0 }
2071};
2072
2073/* The set of possible brightness events */
2074static struct sonypi_event sonypi_brightnessev[] = {
2075 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
2076 { 0, 0 }
2077};
2078
2079static struct sonypi_eventtypes type1_events[] = {
2080 { 0, 0xffffffff, sonypi_releaseev },
2081 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
2082 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
2083 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
2084 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
2085 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2086 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2087 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
2088 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2089 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
2090 { 0 },
2091};
2092static struct sonypi_eventtypes type2_events[] = {
2093 { 0, 0xffffffff, sonypi_releaseev },
2094 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
2095 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
2096 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
2097 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2098 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2099 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
2100 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
2101 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
2102 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
2103 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
2104 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2105 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2106 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2107 { 0 },
2108};
2109static struct sonypi_eventtypes type3_events[] = {
2110 { 0, 0xffffffff, sonypi_releaseev },
2111 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2112 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
2113 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2114 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2115 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2116 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
2117 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
2118 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
2119 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
2120 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
2121 { 0 },
2122};
2123
2124/* low level spic calls */
2125#define ITERATIONS_LONG 10000
2126#define ITERATIONS_SHORT 10
2127#define wait_on_command(command, iterations) { \
2128 unsigned int n = iterations; \
2129 while (--n && (command)) \
2130 udelay(1); \
2131 if (!n) \
2132 dprintk("command failed at %s : %s (line %d)\n", \
2133 __FILE__, __func__, __LINE__); \
2134}
2135
2136static u8 sony_pic_call1(u8 dev)
2137{
2138 u8 v1, v2;
2139
2140 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2141 ITERATIONS_LONG);
2142 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2143 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
2144 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
2145 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
2146 return v2;
2147}
2148
2149static u8 sony_pic_call2(u8 dev, u8 fn)
2150{
2151 u8 v1;
2152
2153 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2154 ITERATIONS_LONG);
2155 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2156 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2157 ITERATIONS_LONG);
2158 outb(fn, spic_dev.cur_ioport->io1.minimum);
2159 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2160 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
2161 return v1;
2162}
2163
2164static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
2165{
2166 u8 v1;
2167
2168 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2169 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2170 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2171 outb(fn, spic_dev.cur_ioport->io1.minimum);
2172 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2173 outb(v, spic_dev.cur_ioport->io1.minimum);
2174 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2175 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
2176 dev, fn, v, v1);
2177 return v1;
2178}
2179
2180/*
2181 * minidrivers for SPIC models
2182 */
2183static int type3_handle_irq(const u8 data_mask, const u8 ev)
2184{
2185 /*
2186 * 0x31 could mean we have to take some extra action and wait for
2187 * the next irq for some Type3 models, it will generate a new
2188 * irq and we can read new data from the device:
2189 * - 0x5c and 0x5f requires 0xA0
2190 * - 0x61 requires 0xB3
2191 */
2192 if (data_mask == 0x31) {
2193 if (ev == 0x5c || ev == 0x5f)
2194 sony_pic_call1(0xA0);
2195 else if (ev == 0x61)
2196 sony_pic_call1(0xB3);
2197 return 0;
2198 }
2199 return 1;
2200}
2201
2202static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
2203{
2204 struct pci_dev *pcidev;
2205
2206 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2207 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
2208 if (pcidev) {
2209 dev->model = SONYPI_DEVICE_TYPE1;
2210 dev->evport_offset = SONYPI_TYPE1_OFFSET;
2211 dev->event_types = type1_events;
2212 goto out;
2213 }
2214
2215 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2216 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
2217 if (pcidev) {
2218 dev->model = SONYPI_DEVICE_TYPE2;
2219 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2220 dev->event_types = type2_events;
2221 goto out;
2222 }
2223
2224 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2225 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
2226 if (pcidev) {
2227 dev->model = SONYPI_DEVICE_TYPE3;
2228 dev->handle_irq = type3_handle_irq;
2229 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2230 dev->event_types = type3_events;
2231 goto out;
2232 }
2233
2234 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2235 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
2236 if (pcidev) {
2237 dev->model = SONYPI_DEVICE_TYPE3;
2238 dev->handle_irq = type3_handle_irq;
2239 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2240 dev->event_types = type3_events;
2241 goto out;
2242 }
2243
2244 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2245 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
2246 if (pcidev) {
2247 dev->model = SONYPI_DEVICE_TYPE3;
2248 dev->handle_irq = type3_handle_irq;
2249 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2250 dev->event_types = type3_events;
2251 goto out;
2252 }
2253
2254 /* default */
2255 dev->model = SONYPI_DEVICE_TYPE2;
2256 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2257 dev->event_types = type2_events;
2258
2259out:
2260 if (pcidev)
2261 pci_dev_put(pcidev);
2262
2263 pr_info("detected Type%d model\n",
2264 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
2265 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
2266}
2267
2268/* camera tests and poweron/poweroff */
2269#define SONYPI_CAMERA_PICTURE 5
2270#define SONYPI_CAMERA_CONTROL 0x10
2271
2272#define SONYPI_CAMERA_BRIGHTNESS 0
2273#define SONYPI_CAMERA_CONTRAST 1
2274#define SONYPI_CAMERA_HUE 2
2275#define SONYPI_CAMERA_COLOR 3
2276#define SONYPI_CAMERA_SHARPNESS 4
2277
2278#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
2279#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
2280#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
2281#define SONYPI_CAMERA_MUTE_MASK 0x40
2282
2283/* the rest don't need a loop until not 0xff */
2284#define SONYPI_CAMERA_AGC 6
2285#define SONYPI_CAMERA_AGC_MASK 0x30
2286#define SONYPI_CAMERA_SHUTTER_MASK 0x7
2287
2288#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
2289#define SONYPI_CAMERA_CONTROL 0x10
2290
2291#define SONYPI_CAMERA_STATUS 7
2292#define SONYPI_CAMERA_STATUS_READY 0x2
2293#define SONYPI_CAMERA_STATUS_POSITION 0x4
2294
2295#define SONYPI_DIRECTION_BACKWARDS 0x4
2296
2297#define SONYPI_CAMERA_REVISION 8
2298#define SONYPI_CAMERA_ROMVERSION 9
2299
2300static int __sony_pic_camera_ready(void)
2301{
2302 u8 v;
2303
2304 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
2305 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
2306}
2307
2308static int __sony_pic_camera_off(void)
2309{
2310 if (!camera) {
2311 pr_warn("camera control not enabled\n");
2312 return -ENODEV;
2313 }
2314
2315 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
2316 SONYPI_CAMERA_MUTE_MASK),
2317 ITERATIONS_SHORT);
2318
2319 if (spic_dev.camera_power) {
2320 sony_pic_call2(0x91, 0);
2321 spic_dev.camera_power = 0;
2322 }
2323 return 0;
2324}
2325
2326static int __sony_pic_camera_on(void)
2327{
2328 int i, j, x;
2329
2330 if (!camera) {
2331 pr_warn("camera control not enabled\n");
2332 return -ENODEV;
2333 }
2334
2335 if (spic_dev.camera_power)
2336 return 0;
2337
2338 for (j = 5; j > 0; j--) {
2339
2340 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
2341 msleep(10);
2342 sony_pic_call1(0x93);
2343
2344 for (i = 400; i > 0; i--) {
2345 if (__sony_pic_camera_ready())
2346 break;
2347 msleep(10);
2348 }
2349 if (i)
2350 break;
2351 }
2352
2353 if (j == 0) {
2354 pr_warn("failed to power on camera\n");
2355 return -ENODEV;
2356 }
2357
2358 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
2359 0x5a),
2360 ITERATIONS_SHORT);
2361
2362 spic_dev.camera_power = 1;
2363 return 0;
2364}
2365
2366/* External camera command (exported to the motion eye v4l driver) */
2367int sony_pic_camera_command(int command, u8 value)
2368{
2369 if (!camera)
2370 return -EIO;
2371
2372 mutex_lock(&spic_dev.lock);
2373
2374 switch (command) {
2375 case SONY_PIC_COMMAND_SETCAMERA:
2376 if (value)
2377 __sony_pic_camera_on();
2378 else
2379 __sony_pic_camera_off();
2380 break;
2381 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
2382 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
2383 ITERATIONS_SHORT);
2384 break;
2385 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
2386 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
2387 ITERATIONS_SHORT);
2388 break;
2389 case SONY_PIC_COMMAND_SETCAMERAHUE:
2390 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
2391 ITERATIONS_SHORT);
2392 break;
2393 case SONY_PIC_COMMAND_SETCAMERACOLOR:
2394 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
2395 ITERATIONS_SHORT);
2396 break;
2397 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
2398 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
2399 ITERATIONS_SHORT);
2400 break;
2401 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
2402 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
2403 ITERATIONS_SHORT);
2404 break;
2405 case SONY_PIC_COMMAND_SETCAMERAAGC:
2406 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
2407 ITERATIONS_SHORT);
2408 break;
2409 default:
2410 pr_err("sony_pic_camera_command invalid: %d\n", command);
2411 break;
2412 }
2413 mutex_unlock(&spic_dev.lock);
2414 return 0;
2415}
2416EXPORT_SYMBOL(sony_pic_camera_command);
2417
2418/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2419static void __sony_pic_set_wwanpower(u8 state)
2420{
2421 state = !!state;
2422 if (spic_dev.wwan_power == state)
2423 return;
2424 sony_pic_call2(0xB0, state);
2425 sony_pic_call1(0x82);
2426 spic_dev.wwan_power = state;
2427}
2428
2429static ssize_t sony_pic_wwanpower_store(struct device *dev,
2430 struct device_attribute *attr,
2431 const char *buffer, size_t count)
2432{
2433 unsigned long value;
2434 if (count > 31)
2435 return -EINVAL;
2436
2437 value = simple_strtoul(buffer, NULL, 10);
2438 mutex_lock(&spic_dev.lock);
2439 __sony_pic_set_wwanpower(value);
2440 mutex_unlock(&spic_dev.lock);
2441
2442 return count;
2443}
2444
2445static ssize_t sony_pic_wwanpower_show(struct device *dev,
2446 struct device_attribute *attr, char *buffer)
2447{
2448 ssize_t count;
2449 mutex_lock(&spic_dev.lock);
2450 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2451 mutex_unlock(&spic_dev.lock);
2452 return count;
2453}
2454
2455/* bluetooth subsystem power state */
2456static void __sony_pic_set_bluetoothpower(u8 state)
2457{
2458 state = !!state;
2459 if (spic_dev.bluetooth_power == state)
2460 return;
2461 sony_pic_call2(0x96, state);
2462 sony_pic_call1(0x82);
2463 spic_dev.bluetooth_power = state;
2464}
2465
2466static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2467 struct device_attribute *attr,
2468 const char *buffer, size_t count)
2469{
2470 unsigned long value;
2471 if (count > 31)
2472 return -EINVAL;
2473
2474 value = simple_strtoul(buffer, NULL, 10);
2475 mutex_lock(&spic_dev.lock);
2476 __sony_pic_set_bluetoothpower(value);
2477 mutex_unlock(&spic_dev.lock);
2478
2479 return count;
2480}
2481
2482static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2483 struct device_attribute *attr, char *buffer)
2484{
2485 ssize_t count = 0;
2486 mutex_lock(&spic_dev.lock);
2487 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2488 mutex_unlock(&spic_dev.lock);
2489 return count;
2490}
2491
2492/* fan speed */
2493/* FAN0 information (reverse engineered from ACPI tables) */
2494#define SONY_PIC_FAN0_STATUS 0x93
2495static int sony_pic_set_fanspeed(unsigned long value)
2496{
2497 return ec_write(SONY_PIC_FAN0_STATUS, value);
2498}
2499
2500static int sony_pic_get_fanspeed(u8 *value)
2501{
2502 return ec_read(SONY_PIC_FAN0_STATUS, value);
2503}
2504
2505static ssize_t sony_pic_fanspeed_store(struct device *dev,
2506 struct device_attribute *attr,
2507 const char *buffer, size_t count)
2508{
2509 unsigned long value;
2510 if (count > 31)
2511 return -EINVAL;
2512
2513 value = simple_strtoul(buffer, NULL, 10);
2514 if (sony_pic_set_fanspeed(value))
2515 return -EIO;
2516
2517 return count;
2518}
2519
2520static ssize_t sony_pic_fanspeed_show(struct device *dev,
2521 struct device_attribute *attr, char *buffer)
2522{
2523 u8 value = 0;
2524 if (sony_pic_get_fanspeed(&value))
2525 return -EIO;
2526
2527 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2528}
2529
2530#define SPIC_ATTR(_name, _mode) \
2531struct device_attribute spic_attr_##_name = __ATTR(_name, \
2532 _mode, sony_pic_## _name ##_show, \
2533 sony_pic_## _name ##_store)
2534
2535static SPIC_ATTR(bluetoothpower, 0644);
2536static SPIC_ATTR(wwanpower, 0644);
2537static SPIC_ATTR(fanspeed, 0644);
2538
2539static struct attribute *spic_attributes[] = {
2540 &spic_attr_bluetoothpower.attr,
2541 &spic_attr_wwanpower.attr,
2542 &spic_attr_fanspeed.attr,
2543 NULL
2544};
2545
2546static struct attribute_group spic_attribute_group = {
2547 .attrs = spic_attributes
2548};
2549
2550/******** SONYPI compatibility **********/
2551#ifdef CONFIG_SONYPI_COMPAT
2552
2553/* battery / brightness / temperature addresses */
2554#define SONYPI_BAT_FLAGS 0x81
2555#define SONYPI_LCD_LIGHT 0x96
2556#define SONYPI_BAT1_PCTRM 0xa0
2557#define SONYPI_BAT1_LEFT 0xa2
2558#define SONYPI_BAT1_MAXRT 0xa4
2559#define SONYPI_BAT2_PCTRM 0xa8
2560#define SONYPI_BAT2_LEFT 0xaa
2561#define SONYPI_BAT2_MAXRT 0xac
2562#define SONYPI_BAT1_MAXTK 0xb0
2563#define SONYPI_BAT1_FULL 0xb2
2564#define SONYPI_BAT2_MAXTK 0xb8
2565#define SONYPI_BAT2_FULL 0xba
2566#define SONYPI_TEMP_STATUS 0xC1
2567
2568struct sonypi_compat_s {
2569 struct fasync_struct *fifo_async;
2570 struct kfifo fifo;
2571 spinlock_t fifo_lock;
2572 wait_queue_head_t fifo_proc_list;
2573 atomic_t open_count;
2574};
2575static struct sonypi_compat_s sonypi_compat = {
2576 .open_count = ATOMIC_INIT(0),
2577};
2578
2579static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2580{
2581 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2582}
2583
2584static int sonypi_misc_release(struct inode *inode, struct file *file)
2585{
2586 atomic_dec(&sonypi_compat.open_count);
2587 return 0;
2588}
2589
2590static int sonypi_misc_open(struct inode *inode, struct file *file)
2591{
2592 /* Flush input queue on first open */
2593 unsigned long flags;
2594
2595 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2596
2597 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2598 kfifo_reset(&sonypi_compat.fifo);
2599
2600 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2601
2602 return 0;
2603}
2604
2605static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2606 size_t count, loff_t *pos)
2607{
2608 ssize_t ret;
2609 unsigned char c;
2610
2611 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2612 (file->f_flags & O_NONBLOCK))
2613 return -EAGAIN;
2614
2615 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2616 kfifo_len(&sonypi_compat.fifo) != 0);
2617 if (ret)
2618 return ret;
2619
2620 while (ret < count &&
2621 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2622 &sonypi_compat.fifo_lock) == sizeof(c))) {
2623 if (put_user(c, buf++))
2624 return -EFAULT;
2625 ret++;
2626 }
2627
2628 if (ret > 0) {
2629 struct inode *inode = file->f_path.dentry->d_inode;
2630 inode->i_atime = current_fs_time(inode->i_sb);
2631 }
2632
2633 return ret;
2634}
2635
2636static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2637{
2638 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2639 if (kfifo_len(&sonypi_compat.fifo))
2640 return POLLIN | POLLRDNORM;
2641 return 0;
2642}
2643
2644static int ec_read16(u8 addr, u16 *value)
2645{
2646 u8 val_lb, val_hb;
2647 if (ec_read(addr, &val_lb))
2648 return -1;
2649 if (ec_read(addr + 1, &val_hb))
2650 return -1;
2651 *value = val_lb | (val_hb << 8);
2652 return 0;
2653}
2654
2655static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2656 unsigned long arg)
2657{
2658 int ret = 0;
2659 void __user *argp = (void __user *)arg;
2660 u8 val8;
2661 u16 val16;
2662 int value;
2663
2664 mutex_lock(&spic_dev.lock);
2665 switch (cmd) {
2666 case SONYPI_IOCGBRT:
2667 if (sony_bl_props.dev == NULL) {
2668 ret = -EIO;
2669 break;
2670 }
2671 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2672 ret = -EIO;
2673 break;
2674 }
2675 val8 = ((value & 0xff) - 1) << 5;
2676 if (copy_to_user(argp, &val8, sizeof(val8)))
2677 ret = -EFAULT;
2678 break;
2679 case SONYPI_IOCSBRT:
2680 if (sony_bl_props.dev == NULL) {
2681 ret = -EIO;
2682 break;
2683 }
2684 if (copy_from_user(&val8, argp, sizeof(val8))) {
2685 ret = -EFAULT;
2686 break;
2687 }
2688 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2689 (val8 >> 5) + 1, NULL)) {
2690 ret = -EIO;
2691 break;
2692 }
2693 /* sync the backlight device status */
2694 sony_bl_props.dev->props.brightness =
2695 sony_backlight_get_brightness(sony_bl_props.dev);
2696 break;
2697 case SONYPI_IOCGBAT1CAP:
2698 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2699 ret = -EIO;
2700 break;
2701 }
2702 if (copy_to_user(argp, &val16, sizeof(val16)))
2703 ret = -EFAULT;
2704 break;
2705 case SONYPI_IOCGBAT1REM:
2706 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2707 ret = -EIO;
2708 break;
2709 }
2710 if (copy_to_user(argp, &val16, sizeof(val16)))
2711 ret = -EFAULT;
2712 break;
2713 case SONYPI_IOCGBAT2CAP:
2714 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2715 ret = -EIO;
2716 break;
2717 }
2718 if (copy_to_user(argp, &val16, sizeof(val16)))
2719 ret = -EFAULT;
2720 break;
2721 case SONYPI_IOCGBAT2REM:
2722 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2723 ret = -EIO;
2724 break;
2725 }
2726 if (copy_to_user(argp, &val16, sizeof(val16)))
2727 ret = -EFAULT;
2728 break;
2729 case SONYPI_IOCGBATFLAGS:
2730 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2731 ret = -EIO;
2732 break;
2733 }
2734 val8 &= 0x07;
2735 if (copy_to_user(argp, &val8, sizeof(val8)))
2736 ret = -EFAULT;
2737 break;
2738 case SONYPI_IOCGBLUE:
2739 val8 = spic_dev.bluetooth_power;
2740 if (copy_to_user(argp, &val8, sizeof(val8)))
2741 ret = -EFAULT;
2742 break;
2743 case SONYPI_IOCSBLUE:
2744 if (copy_from_user(&val8, argp, sizeof(val8))) {
2745 ret = -EFAULT;
2746 break;
2747 }
2748 __sony_pic_set_bluetoothpower(val8);
2749 break;
2750 /* FAN Controls */
2751 case SONYPI_IOCGFAN:
2752 if (sony_pic_get_fanspeed(&val8)) {
2753 ret = -EIO;
2754 break;
2755 }
2756 if (copy_to_user(argp, &val8, sizeof(val8)))
2757 ret = -EFAULT;
2758 break;
2759 case SONYPI_IOCSFAN:
2760 if (copy_from_user(&val8, argp, sizeof(val8))) {
2761 ret = -EFAULT;
2762 break;
2763 }
2764 if (sony_pic_set_fanspeed(val8))
2765 ret = -EIO;
2766 break;
2767 /* GET Temperature (useful under APM) */
2768 case SONYPI_IOCGTEMP:
2769 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2770 ret = -EIO;
2771 break;
2772 }
2773 if (copy_to_user(argp, &val8, sizeof(val8)))
2774 ret = -EFAULT;
2775 break;
2776 default:
2777 ret = -EINVAL;
2778 }
2779 mutex_unlock(&spic_dev.lock);
2780 return ret;
2781}
2782
2783static const struct file_operations sonypi_misc_fops = {
2784 .owner = THIS_MODULE,
2785 .read = sonypi_misc_read,
2786 .poll = sonypi_misc_poll,
2787 .open = sonypi_misc_open,
2788 .release = sonypi_misc_release,
2789 .fasync = sonypi_misc_fasync,
2790 .unlocked_ioctl = sonypi_misc_ioctl,
2791 .llseek = noop_llseek,
2792};
2793
2794static struct miscdevice sonypi_misc_device = {
2795 .minor = MISC_DYNAMIC_MINOR,
2796 .name = "sonypi",
2797 .fops = &sonypi_misc_fops,
2798};
2799
2800static void sonypi_compat_report_event(u8 event)
2801{
2802 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2803 sizeof(event), &sonypi_compat.fifo_lock);
2804 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2805 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2806}
2807
2808static int sonypi_compat_init(void)
2809{
2810 int error;
2811
2812 spin_lock_init(&sonypi_compat.fifo_lock);
2813 error =
2814 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2815 if (error) {
2816 pr_err("kfifo_alloc failed\n");
2817 return error;
2818 }
2819
2820 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2821
2822 if (minor != -1)
2823 sonypi_misc_device.minor = minor;
2824 error = misc_register(&sonypi_misc_device);
2825 if (error) {
2826 pr_err("misc_register failed\n");
2827 goto err_free_kfifo;
2828 }
2829 if (minor == -1)
2830 pr_info("device allocated minor is %d\n",
2831 sonypi_misc_device.minor);
2832
2833 return 0;
2834
2835err_free_kfifo:
2836 kfifo_free(&sonypi_compat.fifo);
2837 return error;
2838}
2839
2840static void sonypi_compat_exit(void)
2841{
2842 misc_deregister(&sonypi_misc_device);
2843 kfifo_free(&sonypi_compat.fifo);
2844}
2845#else
2846static int sonypi_compat_init(void) { return 0; }
2847static void sonypi_compat_exit(void) { }
2848static void sonypi_compat_report_event(u8 event) { }
2849#endif /* CONFIG_SONYPI_COMPAT */
2850
2851/*
2852 * ACPI callbacks
2853 */
2854static acpi_status
2855sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2856{
2857 u32 i;
2858 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2859
2860 switch (resource->type) {
2861 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2862 {
2863 /* start IO enumeration */
2864 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2865 if (!ioport)
2866 return AE_ERROR;
2867
2868 list_add(&ioport->list, &dev->ioports);
2869 return AE_OK;
2870 }
2871
2872 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2873 /* end IO enumeration */
2874 return AE_OK;
2875
2876 case ACPI_RESOURCE_TYPE_IRQ:
2877 {
2878 struct acpi_resource_irq *p = &resource->data.irq;
2879 struct sony_pic_irq *interrupt = NULL;
2880 if (!p || !p->interrupt_count) {
2881 /*
2882 * IRQ descriptors may have no IRQ# bits set,
2883 * particularly those those w/ _STA disabled
2884 */
2885 dprintk("Blank IRQ resource\n");
2886 return AE_OK;
2887 }
2888 for (i = 0; i < p->interrupt_count; i++) {
2889 if (!p->interrupts[i]) {
2890 pr_warn("Invalid IRQ %d\n",
2891 p->interrupts[i]);
2892 continue;
2893 }
2894 interrupt = kzalloc(sizeof(*interrupt),
2895 GFP_KERNEL);
2896 if (!interrupt)
2897 return AE_ERROR;
2898
2899 list_add(&interrupt->list, &dev->interrupts);
2900 interrupt->irq.triggering = p->triggering;
2901 interrupt->irq.polarity = p->polarity;
2902 interrupt->irq.sharable = p->sharable;
2903 interrupt->irq.interrupt_count = 1;
2904 interrupt->irq.interrupts[0] = p->interrupts[i];
2905 }
2906 return AE_OK;
2907 }
2908 case ACPI_RESOURCE_TYPE_IO:
2909 {
2910 struct acpi_resource_io *io = &resource->data.io;
2911 struct sony_pic_ioport *ioport =
2912 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2913 if (!io) {
2914 dprintk("Blank IO resource\n");
2915 return AE_OK;
2916 }
2917
2918 if (!ioport->io1.minimum) {
2919 memcpy(&ioport->io1, io, sizeof(*io));
2920 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2921 ioport->io1.address_length);
2922 }
2923 else if (!ioport->io2.minimum) {
2924 memcpy(&ioport->io2, io, sizeof(*io));
2925 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2926 ioport->io2.address_length);
2927 }
2928 else {
2929 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
2930 return AE_ERROR;
2931 }
2932 return AE_OK;
2933 }
2934 default:
2935 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2936 resource->type);
2937
2938 case ACPI_RESOURCE_TYPE_END_TAG:
2939 return AE_OK;
2940 }
2941 return AE_CTRL_TERMINATE;
2942}
2943
2944static int sony_pic_possible_resources(struct acpi_device *device)
2945{
2946 int result = 0;
2947 acpi_status status = AE_OK;
2948
2949 if (!device)
2950 return -EINVAL;
2951
2952 /* get device status */
2953 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2954 dprintk("Evaluating _STA\n");
2955 result = acpi_bus_get_status(device);
2956 if (result) {
2957 pr_warn("Unable to read status\n");
2958 goto end;
2959 }
2960
2961 if (!device->status.enabled)
2962 dprintk("Device disabled\n");
2963 else
2964 dprintk("Device enabled\n");
2965
2966 /*
2967 * Query and parse 'method'
2968 */
2969 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2970 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2971 sony_pic_read_possible_resource, &spic_dev);
2972 if (ACPI_FAILURE(status)) {
2973 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
2974 result = -ENODEV;
2975 }
2976end:
2977 return result;
2978}
2979
2980/*
2981 * Disable the spic device by calling its _DIS method
2982 */
2983static int sony_pic_disable(struct acpi_device *device)
2984{
2985 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2986 NULL);
2987
2988 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2989 return -ENXIO;
2990
2991 dprintk("Device disabled\n");
2992 return 0;
2993}
2994
2995
2996/*
2997 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2998 *
2999 * Call _SRS to set current resources
3000 */
3001static int sony_pic_enable(struct acpi_device *device,
3002 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
3003{
3004 acpi_status status;
3005 int result = 0;
3006 /* Type 1 resource layout is:
3007 * IO
3008 * IO
3009 * IRQNoFlags
3010 * End
3011 *
3012 * Type 2 and 3 resource layout is:
3013 * IO
3014 * IRQNoFlags
3015 * End
3016 */
3017 struct {
3018 struct acpi_resource res1;
3019 struct acpi_resource res2;
3020 struct acpi_resource res3;
3021 struct acpi_resource res4;
3022 } *resource;
3023 struct acpi_buffer buffer = { 0, NULL };
3024
3025 if (!ioport || !irq)
3026 return -EINVAL;
3027
3028 /* init acpi_buffer */
3029 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
3030 if (!resource)
3031 return -ENOMEM;
3032
3033 buffer.length = sizeof(*resource) + 1;
3034 buffer.pointer = resource;
3035
3036 /* setup Type 1 resources */
3037 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3038
3039 /* setup io resources */
3040 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3041 resource->res1.length = sizeof(struct acpi_resource);
3042 memcpy(&resource->res1.data.io, &ioport->io1,
3043 sizeof(struct acpi_resource_io));
3044
3045 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
3046 resource->res2.length = sizeof(struct acpi_resource);
3047 memcpy(&resource->res2.data.io, &ioport->io2,
3048 sizeof(struct acpi_resource_io));
3049
3050 /* setup irq resource */
3051 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
3052 resource->res3.length = sizeof(struct acpi_resource);
3053 memcpy(&resource->res3.data.irq, &irq->irq,
3054 sizeof(struct acpi_resource_irq));
3055 /* we requested a shared irq */
3056 resource->res3.data.irq.sharable = ACPI_SHARED;
3057
3058 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
3059
3060 }
3061 /* setup Type 2/3 resources */
3062 else {
3063 /* setup io resource */
3064 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3065 resource->res1.length = sizeof(struct acpi_resource);
3066 memcpy(&resource->res1.data.io, &ioport->io1,
3067 sizeof(struct acpi_resource_io));
3068
3069 /* setup irq resource */
3070 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
3071 resource->res2.length = sizeof(struct acpi_resource);
3072 memcpy(&resource->res2.data.irq, &irq->irq,
3073 sizeof(struct acpi_resource_irq));
3074 /* we requested a shared irq */
3075 resource->res2.data.irq.sharable = ACPI_SHARED;
3076
3077 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
3078 }
3079
3080 /* Attempt to set the resource */
3081 dprintk("Evaluating _SRS\n");
3082 status = acpi_set_current_resources(device->handle, &buffer);
3083
3084 /* check for total failure */
3085 if (ACPI_FAILURE(status)) {
3086 pr_err("Error evaluating _SRS\n");
3087 result = -ENODEV;
3088 goto end;
3089 }
3090
3091 /* Necessary device initializations calls (from sonypi) */
3092 sony_pic_call1(0x82);
3093 sony_pic_call2(0x81, 0xff);
3094 sony_pic_call1(compat ? 0x92 : 0x82);
3095
3096end:
3097 kfree(resource);
3098 return result;
3099}
3100
3101/*****************
3102 *
3103 * ISR: some event is available
3104 *
3105 *****************/
3106static irqreturn_t sony_pic_irq(int irq, void *dev_id)
3107{
3108 int i, j;
3109 u8 ev = 0;
3110 u8 data_mask = 0;
3111 u8 device_event = 0;
3112
3113 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
3114
3115 ev = inb_p(dev->cur_ioport->io1.minimum);
3116 if (dev->cur_ioport->io2.minimum)
3117 data_mask = inb_p(dev->cur_ioport->io2.minimum);
3118 else
3119 data_mask = inb_p(dev->cur_ioport->io1.minimum +
3120 dev->evport_offset);
3121
3122 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3123 ev, data_mask, dev->cur_ioport->io1.minimum,
3124 dev->evport_offset);
3125
3126 if (ev == 0x00 || ev == 0xff)
3127 return IRQ_HANDLED;
3128
3129 for (i = 0; dev->event_types[i].mask; i++) {
3130
3131 if ((data_mask & dev->event_types[i].data) !=
3132 dev->event_types[i].data)
3133 continue;
3134
3135 if (!(mask & dev->event_types[i].mask))
3136 continue;
3137
3138 for (j = 0; dev->event_types[i].events[j].event; j++) {
3139 if (ev == dev->event_types[i].events[j].data) {
3140 device_event =
3141 dev->event_types[i].events[j].event;
3142 /* some events may require ignoring */
3143 if (!device_event)
3144 return IRQ_HANDLED;
3145 goto found;
3146 }
3147 }
3148 }
3149 /* Still not able to decode the event try to pass
3150 * it over to the minidriver
3151 */
3152 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
3153 return IRQ_HANDLED;
3154
3155 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3156 ev, data_mask, dev->cur_ioport->io1.minimum,
3157 dev->evport_offset);
3158 return IRQ_HANDLED;
3159
3160found:
3161 sony_laptop_report_input_event(device_event);
3162 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
3163 sonypi_compat_report_event(device_event);
3164 return IRQ_HANDLED;
3165}
3166
3167/*****************
3168 *
3169 * ACPI driver
3170 *
3171 *****************/
3172static int sony_pic_remove(struct acpi_device *device, int type)
3173{
3174 struct sony_pic_ioport *io, *tmp_io;
3175 struct sony_pic_irq *irq, *tmp_irq;
3176
3177 if (sony_pic_disable(device)) {
3178 pr_err("Couldn't disable device\n");
3179 return -ENXIO;
3180 }
3181
3182 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3183 release_region(spic_dev.cur_ioport->io1.minimum,
3184 spic_dev.cur_ioport->io1.address_length);
3185 if (spic_dev.cur_ioport->io2.minimum)
3186 release_region(spic_dev.cur_ioport->io2.minimum,
3187 spic_dev.cur_ioport->io2.address_length);
3188
3189 sonypi_compat_exit();
3190
3191 sony_laptop_remove_input();
3192
3193 /* pf attrs */
3194 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3195 sony_pf_remove();
3196
3197 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3198 list_del(&io->list);
3199 kfree(io);
3200 }
3201 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3202 list_del(&irq->list);
3203 kfree(irq);
3204 }
3205 spic_dev.cur_ioport = NULL;
3206 spic_dev.cur_irq = NULL;
3207
3208 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
3209 return 0;
3210}
3211
3212static int sony_pic_add(struct acpi_device *device)
3213{
3214 int result;
3215 struct sony_pic_ioport *io, *tmp_io;
3216 struct sony_pic_irq *irq, *tmp_irq;
3217
3218 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
3219
3220 spic_dev.acpi_dev = device;
3221 strcpy(acpi_device_class(device), "sony/hotkey");
3222 sony_pic_detect_device_type(&spic_dev);
3223 mutex_init(&spic_dev.lock);
3224
3225 /* read _PRS resources */
3226 result = sony_pic_possible_resources(device);
3227 if (result) {
3228 pr_err("Unable to read possible resources\n");
3229 goto err_free_resources;
3230 }
3231
3232 /* setup input devices and helper fifo */
3233 result = sony_laptop_setup_input(device);
3234 if (result) {
3235 pr_err("Unable to create input devices\n");
3236 goto err_free_resources;
3237 }
3238
3239 if (sonypi_compat_init())
3240 goto err_remove_input;
3241
3242 /* request io port */
3243 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
3244 if (request_region(io->io1.minimum, io->io1.address_length,
3245 "Sony Programmable I/O Device")) {
3246 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
3247 io->io1.minimum, io->io1.maximum,
3248 io->io1.address_length);
3249 /* Type 1 have 2 ioports */
3250 if (io->io2.minimum) {
3251 if (request_region(io->io2.minimum,
3252 io->io2.address_length,
3253 "Sony Programmable I/O Device")) {
3254 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
3255 io->io2.minimum, io->io2.maximum,
3256 io->io2.address_length);
3257 spic_dev.cur_ioport = io;
3258 break;
3259 }
3260 else {
3261 dprintk("Unable to get I/O port2: "
3262 "0x%.4x (0x%.4x) + 0x%.2x\n",
3263 io->io2.minimum, io->io2.maximum,
3264 io->io2.address_length);
3265 release_region(io->io1.minimum,
3266 io->io1.address_length);
3267 }
3268 }
3269 else {
3270 spic_dev.cur_ioport = io;
3271 break;
3272 }
3273 }
3274 }
3275 if (!spic_dev.cur_ioport) {
3276 pr_err("Failed to request_region\n");
3277 result = -ENODEV;
3278 goto err_remove_compat;
3279 }
3280
3281 /* request IRQ */
3282 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
3283 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
3284 IRQF_DISABLED, "sony-laptop", &spic_dev)) {
3285 dprintk("IRQ: %d - triggering: %d - "
3286 "polarity: %d - shr: %d\n",
3287 irq->irq.interrupts[0],
3288 irq->irq.triggering,
3289 irq->irq.polarity,
3290 irq->irq.sharable);
3291 spic_dev.cur_irq = irq;
3292 break;
3293 }
3294 }
3295 if (!spic_dev.cur_irq) {
3296 pr_err("Failed to request_irq\n");
3297 result = -ENODEV;
3298 goto err_release_region;
3299 }
3300
3301 /* set resource status _SRS */
3302 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3303 if (result) {
3304 pr_err("Couldn't enable device\n");
3305 goto err_free_irq;
3306 }
3307
3308 spic_dev.bluetooth_power = -1;
3309 /* create device attributes */
3310 result = sony_pf_add();
3311 if (result)
3312 goto err_disable_device;
3313
3314 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3315 if (result)
3316 goto err_remove_pf;
3317
3318 return 0;
3319
3320err_remove_pf:
3321 sony_pf_remove();
3322
3323err_disable_device:
3324 sony_pic_disable(device);
3325
3326err_free_irq:
3327 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3328
3329err_release_region:
3330 release_region(spic_dev.cur_ioport->io1.minimum,
3331 spic_dev.cur_ioport->io1.address_length);
3332 if (spic_dev.cur_ioport->io2.minimum)
3333 release_region(spic_dev.cur_ioport->io2.minimum,
3334 spic_dev.cur_ioport->io2.address_length);
3335
3336err_remove_compat:
3337 sonypi_compat_exit();
3338
3339err_remove_input:
3340 sony_laptop_remove_input();
3341
3342err_free_resources:
3343 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3344 list_del(&io->list);
3345 kfree(io);
3346 }
3347 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3348 list_del(&irq->list);
3349 kfree(irq);
3350 }
3351 spic_dev.cur_ioport = NULL;
3352 spic_dev.cur_irq = NULL;
3353
3354 return result;
3355}
3356
3357static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
3358{
3359 if (sony_pic_disable(device))
3360 return -ENXIO;
3361 return 0;
3362}
3363
3364static int sony_pic_resume(struct acpi_device *device)
3365{
3366 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3367 return 0;
3368}
3369
3370static const struct acpi_device_id sony_pic_device_ids[] = {
3371 {SONY_PIC_HID, 0},
3372 {"", 0},
3373};
3374
3375static struct acpi_driver sony_pic_driver = {
3376 .name = SONY_PIC_DRIVER_NAME,
3377 .class = SONY_PIC_CLASS,
3378 .ids = sony_pic_device_ids,
3379 .owner = THIS_MODULE,
3380 .ops = {
3381 .add = sony_pic_add,
3382 .remove = sony_pic_remove,
3383 .suspend = sony_pic_suspend,
3384 .resume = sony_pic_resume,
3385 },
3386};
3387
3388static struct dmi_system_id __initdata sonypi_dmi_table[] = {
3389 {
3390 .ident = "Sony Vaio",
3391 .matches = {
3392 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3393 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
3394 },
3395 },
3396 {
3397 .ident = "Sony Vaio",
3398 .matches = {
3399 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3400 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
3401 },
3402 },
3403 { }
3404};
3405
3406static int __init sony_laptop_init(void)
3407{
3408 int result;
3409
3410 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
3411 result = acpi_bus_register_driver(&sony_pic_driver);
3412 if (result) {
3413 pr_err("Unable to register SPIC driver\n");
3414 goto out;
3415 }
3416 spic_drv_registered = 1;
3417 }
3418
3419 result = acpi_bus_register_driver(&sony_nc_driver);
3420 if (result) {
3421 pr_err("Unable to register SNC driver\n");
3422 goto out_unregister_pic;
3423 }
3424
3425 return 0;
3426
3427out_unregister_pic:
3428 if (spic_drv_registered)
3429 acpi_bus_unregister_driver(&sony_pic_driver);
3430out:
3431 return result;
3432}
3433
3434static void __exit sony_laptop_exit(void)
3435{
3436 acpi_bus_unregister_driver(&sony_nc_driver);
3437 if (spic_drv_registered)
3438 acpi_bus_unregister_driver(&sony_pic_driver);
3439}
3440
3441module_init(sony_laptop_init);
3442module_exit(sony_laptop_exit);
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 <linux/uaccess.h>
72#include <acpi/video.h>
73
74#define dprintk(fmt, ...) \
75do { \
76 if (debug) \
77 pr_warn(fmt, ##__VA_ARGS__); \
78} while (0)
79
80#define SONY_NC_CLASS "sony-nc"
81#define SONY_NC_HID "SNY5001"
82#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
83
84#define SONY_PIC_CLASS "sony-pic"
85#define SONY_PIC_HID "SNY6001"
86#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
87
88MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
89MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
90MODULE_LICENSE("GPL");
91
92static int debug;
93module_param(debug, int, 0);
94MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
96
97static int no_spic; /* = 0 */
98module_param(no_spic, int, 0444);
99MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102static int compat; /* = 0 */
103module_param(compat, int, 0444);
104MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
106
107static unsigned long mask = 0xffffffff;
108module_param(mask, ulong, 0644);
109MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
112static int camera; /* = 0 */
113module_param(camera, int, 0444);
114MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
118#ifdef CONFIG_SONYPI_COMPAT
119static int minor = -1;
120module_param(minor, int, 0);
121MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124#endif
125
126static int kbd_backlight = -1;
127module_param(kbd_backlight, int, 0444);
128MODULE_PARM_DESC(kbd_backlight,
129 "set this to 0 to disable keyboard backlight, "
130 "1 to enable it with automatic control and 2 to have it always "
131 "on (default: no change from current value)");
132
133static int kbd_backlight_timeout = -1;
134module_param(kbd_backlight_timeout, int, 0444);
135MODULE_PARM_DESC(kbd_backlight_timeout,
136 "meaningful values vary from 0 to 3 and their meaning depends "
137 "on the model (default: no change from current value)");
138
139#ifdef CONFIG_PM_SLEEP
140static void sony_nc_thermal_resume(void);
141#endif
142static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
143 unsigned int handle);
144static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
145 unsigned int handle);
146
147static int sony_nc_battery_care_setup(struct platform_device *pd,
148 unsigned int handle);
149static void sony_nc_battery_care_cleanup(struct platform_device *pd);
150
151static int sony_nc_thermal_setup(struct platform_device *pd);
152static void sony_nc_thermal_cleanup(struct platform_device *pd);
153
154static int sony_nc_lid_resume_setup(struct platform_device *pd,
155 unsigned int handle);
156static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
157
158static int sony_nc_gfx_switch_setup(struct platform_device *pd,
159 unsigned int handle);
160static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
161static int __sony_nc_gfx_switch_status_get(void);
162
163static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
164static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
165
166static int sony_nc_lowbatt_setup(struct platform_device *pd);
167static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
168
169static int sony_nc_fanspeed_setup(struct platform_device *pd);
170static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
171
172static int sony_nc_usb_charge_setup(struct platform_device *pd);
173static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
174
175static int sony_nc_panelid_setup(struct platform_device *pd);
176static void sony_nc_panelid_cleanup(struct platform_device *pd);
177
178static int sony_nc_smart_conn_setup(struct platform_device *pd);
179static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
180
181static int sony_nc_touchpad_setup(struct platform_device *pd,
182 unsigned int handle);
183static void sony_nc_touchpad_cleanup(struct platform_device *pd);
184
185enum sony_nc_rfkill {
186 SONY_WIFI,
187 SONY_BLUETOOTH,
188 SONY_WWAN,
189 SONY_WIMAX,
190 N_SONY_RFKILL,
191};
192
193static int sony_rfkill_handle;
194static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
195static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
196static int sony_nc_rfkill_setup(struct acpi_device *device,
197 unsigned int handle);
198static void sony_nc_rfkill_cleanup(void);
199static void sony_nc_rfkill_update(void);
200
201/*********** Input Devices ***********/
202
203#define SONY_LAPTOP_BUF_SIZE 128
204struct sony_laptop_input_s {
205 atomic_t users;
206 struct input_dev *jog_dev;
207 struct input_dev *key_dev;
208 struct kfifo fifo;
209 spinlock_t fifo_lock;
210 struct timer_list release_key_timer;
211};
212
213static struct sony_laptop_input_s sony_laptop_input = {
214 .users = ATOMIC_INIT(0),
215};
216
217struct sony_laptop_keypress {
218 struct input_dev *dev;
219 int key;
220};
221
222/* Correspondance table between sonypi events
223 * and input layer indexes in the keymap
224 */
225static int sony_laptop_input_index[] = {
226 -1, /* 0 no event */
227 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
228 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
229 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
230 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
231 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
232 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
233 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
234 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
235 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
236 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
237 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
238 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
239 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
240 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
241 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
242 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
243 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
244 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
245 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
246 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
247 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
248 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
249 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
250 17, /* 24 SONYPI_EVENT_FNKEY_1 */
251 18, /* 25 SONYPI_EVENT_FNKEY_2 */
252 19, /* 26 SONYPI_EVENT_FNKEY_D */
253 20, /* 27 SONYPI_EVENT_FNKEY_E */
254 21, /* 28 SONYPI_EVENT_FNKEY_F */
255 22, /* 29 SONYPI_EVENT_FNKEY_S */
256 23, /* 30 SONYPI_EVENT_FNKEY_B */
257 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
258 25, /* 32 SONYPI_EVENT_PKEY_P1 */
259 26, /* 33 SONYPI_EVENT_PKEY_P2 */
260 27, /* 34 SONYPI_EVENT_PKEY_P3 */
261 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
262 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
263 -1, /* 37 SONYPI_EVENT_LID_OPENED */
264 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
265 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
266 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
267 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
268 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
269 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
270 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
271 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
272 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
273 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
274 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
275 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
276 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
277 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
278 43, /* 52 SONYPI_EVENT_MEYE_FACE */
279 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
280 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
281 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
282 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
283 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
284 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
285 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
286 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
287 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
288 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
289 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
290 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
291 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
292 53, /* 66 SONYPI_EVENT_PKEY_P4 */
293 54, /* 67 SONYPI_EVENT_PKEY_P5 */
294 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
295 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
296 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
297 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
298 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
299 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
300};
301
302static int sony_laptop_input_keycode_map[] = {
303 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
304 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
305 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
306 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
307 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
308 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
309 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
310 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
311 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
312 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
313 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
314 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
315 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
316 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
317 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
318 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
319 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
320 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
321 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
322 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
323 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
324 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
325 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
326 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
327 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
328 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
329 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
330 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
331 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
332 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
333 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
334 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
335 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
336 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
337 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
338 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
339 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
340 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
341 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
342 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
343 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
344 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
345 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
346 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
347 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
348 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
349 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
350 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
351 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
352 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
353 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
354 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
355 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
356 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
357 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
358 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
359 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
360 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
361 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
362 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
363};
364
365/* release buttons after a short delay if pressed */
366static void do_sony_laptop_release_key(unsigned long unused)
367{
368 struct sony_laptop_keypress kp;
369 unsigned long flags;
370
371 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
372
373 if (kfifo_out(&sony_laptop_input.fifo,
374 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
375 input_report_key(kp.dev, kp.key, 0);
376 input_sync(kp.dev);
377 }
378
379 /* If there is something in the fifo schedule next release. */
380 if (kfifo_len(&sony_laptop_input.fifo) != 0)
381 mod_timer(&sony_laptop_input.release_key_timer,
382 jiffies + msecs_to_jiffies(10));
383
384 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
385}
386
387/* forward event to the input subsystem */
388static void sony_laptop_report_input_event(u8 event)
389{
390 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
391 struct input_dev *key_dev = sony_laptop_input.key_dev;
392 struct sony_laptop_keypress kp = { NULL };
393 int scancode = -1;
394
395 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
396 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
397 /* Nothing, not all VAIOs generate this event */
398 return;
399 }
400
401 /* report events */
402 switch (event) {
403 /* jog_dev events */
404 case SONYPI_EVENT_JOGDIAL_UP:
405 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
406 input_report_rel(jog_dev, REL_WHEEL, 1);
407 input_sync(jog_dev);
408 return;
409
410 case SONYPI_EVENT_JOGDIAL_DOWN:
411 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
412 input_report_rel(jog_dev, REL_WHEEL, -1);
413 input_sync(jog_dev);
414 return;
415
416 /* key_dev events */
417 case SONYPI_EVENT_JOGDIAL_PRESSED:
418 kp.key = BTN_MIDDLE;
419 kp.dev = jog_dev;
420 break;
421
422 default:
423 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
424 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
425 break;
426 }
427 if ((scancode = sony_laptop_input_index[event]) != -1) {
428 kp.key = sony_laptop_input_keycode_map[scancode];
429 if (kp.key != KEY_UNKNOWN)
430 kp.dev = key_dev;
431 }
432 break;
433 }
434
435 if (kp.dev) {
436 /* if we have a scancode we emit it so we can always
437 remap the key */
438 if (scancode != -1)
439 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
440 input_report_key(kp.dev, kp.key, 1);
441 input_sync(kp.dev);
442
443 /* schedule key release */
444 kfifo_in_locked(&sony_laptop_input.fifo,
445 (unsigned char *)&kp, sizeof(kp),
446 &sony_laptop_input.fifo_lock);
447 mod_timer(&sony_laptop_input.release_key_timer,
448 jiffies + msecs_to_jiffies(10));
449 } else
450 dprintk("unknown input event %.2x\n", event);
451}
452
453static int sony_laptop_setup_input(struct acpi_device *acpi_device)
454{
455 struct input_dev *jog_dev;
456 struct input_dev *key_dev;
457 int i;
458 int error;
459
460 /* don't run again if already initialized */
461 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
462 return 0;
463
464 /* kfifo */
465 spin_lock_init(&sony_laptop_input.fifo_lock);
466 error = kfifo_alloc(&sony_laptop_input.fifo,
467 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
468 if (error) {
469 pr_err("kfifo_alloc failed\n");
470 goto err_dec_users;
471 }
472
473 setup_timer(&sony_laptop_input.release_key_timer,
474 do_sony_laptop_release_key, 0);
475
476 /* input keys */
477 key_dev = input_allocate_device();
478 if (!key_dev) {
479 error = -ENOMEM;
480 goto err_free_kfifo;
481 }
482
483 key_dev->name = "Sony Vaio Keys";
484 key_dev->id.bustype = BUS_ISA;
485 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
486 key_dev->dev.parent = &acpi_device->dev;
487
488 /* Initialize the Input Drivers: special keys */
489 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
490
491 __set_bit(EV_KEY, key_dev->evbit);
492 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
493 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
494 key_dev->keycode = &sony_laptop_input_keycode_map;
495 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
496 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
497 __clear_bit(KEY_RESERVED, key_dev->keybit);
498
499 error = input_register_device(key_dev);
500 if (error)
501 goto err_free_keydev;
502
503 sony_laptop_input.key_dev = key_dev;
504
505 /* jogdial */
506 jog_dev = input_allocate_device();
507 if (!jog_dev) {
508 error = -ENOMEM;
509 goto err_unregister_keydev;
510 }
511
512 jog_dev->name = "Sony Vaio Jogdial";
513 jog_dev->id.bustype = BUS_ISA;
514 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
515 jog_dev->dev.parent = &acpi_device->dev;
516
517 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
518 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
519
520 error = input_register_device(jog_dev);
521 if (error)
522 goto err_free_jogdev;
523
524 sony_laptop_input.jog_dev = jog_dev;
525
526 return 0;
527
528err_free_jogdev:
529 input_free_device(jog_dev);
530
531err_unregister_keydev:
532 input_unregister_device(key_dev);
533 /* to avoid kref underflow below at input_free_device */
534 key_dev = NULL;
535
536err_free_keydev:
537 input_free_device(key_dev);
538
539err_free_kfifo:
540 kfifo_free(&sony_laptop_input.fifo);
541
542err_dec_users:
543 atomic_dec(&sony_laptop_input.users);
544 return error;
545}
546
547static void sony_laptop_remove_input(void)
548{
549 struct sony_laptop_keypress kp = { NULL };
550
551 /* Cleanup only after the last user has gone */
552 if (!atomic_dec_and_test(&sony_laptop_input.users))
553 return;
554
555 del_timer_sync(&sony_laptop_input.release_key_timer);
556
557 /*
558 * Generate key-up events for remaining keys. Note that we don't
559 * need locking since nobody is adding new events to the kfifo.
560 */
561 while (kfifo_out(&sony_laptop_input.fifo,
562 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
563 input_report_key(kp.dev, kp.key, 0);
564 input_sync(kp.dev);
565 }
566
567 /* destroy input devs */
568 input_unregister_device(sony_laptop_input.key_dev);
569 sony_laptop_input.key_dev = NULL;
570
571 if (sony_laptop_input.jog_dev) {
572 input_unregister_device(sony_laptop_input.jog_dev);
573 sony_laptop_input.jog_dev = NULL;
574 }
575
576 kfifo_free(&sony_laptop_input.fifo);
577}
578
579/*********** Platform Device ***********/
580
581static atomic_t sony_pf_users = ATOMIC_INIT(0);
582static struct platform_driver sony_pf_driver = {
583 .driver = {
584 .name = "sony-laptop",
585 }
586};
587static struct platform_device *sony_pf_device;
588
589static int sony_pf_add(void)
590{
591 int ret = 0;
592
593 /* don't run again if already initialized */
594 if (atomic_add_return(1, &sony_pf_users) > 1)
595 return 0;
596
597 ret = platform_driver_register(&sony_pf_driver);
598 if (ret)
599 goto out;
600
601 sony_pf_device = platform_device_alloc("sony-laptop", -1);
602 if (!sony_pf_device) {
603 ret = -ENOMEM;
604 goto out_platform_registered;
605 }
606
607 ret = platform_device_add(sony_pf_device);
608 if (ret)
609 goto out_platform_alloced;
610
611 return 0;
612
613 out_platform_alloced:
614 platform_device_put(sony_pf_device);
615 sony_pf_device = NULL;
616 out_platform_registered:
617 platform_driver_unregister(&sony_pf_driver);
618 out:
619 atomic_dec(&sony_pf_users);
620 return ret;
621}
622
623static void sony_pf_remove(void)
624{
625 /* deregister only after the last user has gone */
626 if (!atomic_dec_and_test(&sony_pf_users))
627 return;
628
629 platform_device_unregister(sony_pf_device);
630 platform_driver_unregister(&sony_pf_driver);
631}
632
633/*********** SNC (SNY5001) Device ***********/
634
635/* the device uses 1-based values, while the backlight subsystem uses
636 0-based values */
637#define SONY_MAX_BRIGHTNESS 8
638
639#define SNC_VALIDATE_IN 0
640#define SNC_VALIDATE_OUT 1
641
642static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
643 char *);
644static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
645 const char *, size_t);
646static int boolean_validate(const int, const int);
647static int brightness_default_validate(const int, const int);
648
649struct sony_nc_value {
650 char *name; /* name of the entry */
651 char **acpiget; /* names of the ACPI get function */
652 char **acpiset; /* names of the ACPI set function */
653 int (*validate)(const int, const int); /* input/output validation */
654 int value; /* current setting */
655 int valid; /* Has ever been set */
656 int debug; /* active only in debug mode ? */
657 struct device_attribute devattr; /* sysfs attribute */
658};
659
660#define SNC_HANDLE_NAMES(_name, _values...) \
661 static char *snc_##_name[] = { _values, NULL }
662
663#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
664 { \
665 .name = __stringify(_name), \
666 .acpiget = _getters, \
667 .acpiset = _setters, \
668 .validate = _validate, \
669 .debug = _debug, \
670 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
671 }
672
673#define SNC_HANDLE_NULL { .name = NULL }
674
675SNC_HANDLE_NAMES(fnkey_get, "GHKE");
676
677SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
678SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
679
680SNC_HANDLE_NAMES(cdpower_get, "GCDP");
681SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
682
683SNC_HANDLE_NAMES(audiopower_get, "GAZP");
684SNC_HANDLE_NAMES(audiopower_set, "AZPW");
685
686SNC_HANDLE_NAMES(lanpower_get, "GLNP");
687SNC_HANDLE_NAMES(lanpower_set, "LNPW");
688
689SNC_HANDLE_NAMES(lidstate_get, "GLID");
690
691SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
692SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
693
694SNC_HANDLE_NAMES(gainbass_get, "GMGB");
695SNC_HANDLE_NAMES(gainbass_set, "CMGB");
696
697SNC_HANDLE_NAMES(PID_get, "GPID");
698
699SNC_HANDLE_NAMES(CTR_get, "GCTR");
700SNC_HANDLE_NAMES(CTR_set, "SCTR");
701
702SNC_HANDLE_NAMES(PCR_get, "GPCR");
703SNC_HANDLE_NAMES(PCR_set, "SPCR");
704
705SNC_HANDLE_NAMES(CMI_get, "GCMI");
706SNC_HANDLE_NAMES(CMI_set, "SCMI");
707
708static struct sony_nc_value sony_nc_values[] = {
709 SNC_HANDLE(brightness_default, snc_brightness_def_get,
710 snc_brightness_def_set, brightness_default_validate, 0),
711 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
712 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
713 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
714 boolean_validate, 0),
715 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
716 boolean_validate, 1),
717 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
718 boolean_validate, 0),
719 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
720 boolean_validate, 0),
721 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
722 boolean_validate, 0),
723 /* unknown methods */
724 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
725 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
726 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
727 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
728 SNC_HANDLE_NULL
729};
730
731static acpi_handle sony_nc_acpi_handle;
732static struct acpi_device *sony_nc_acpi_device = NULL;
733
734/*
735 * acpi_evaluate_object wrappers
736 * all useful calls into SNC methods take one or zero parameters and return
737 * integers or arrays.
738 */
739static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
740 u64 *value)
741{
742 union acpi_object *result = NULL;
743 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
744 acpi_status status;
745
746 if (value) {
747 struct acpi_object_list params;
748 union acpi_object in;
749 in.type = ACPI_TYPE_INTEGER;
750 in.integer.value = *value;
751 params.count = 1;
752 params.pointer = ∈
753 status = acpi_evaluate_object(handle, method, ¶ms, &output);
754 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
755 (unsigned int)(*value >> 32),
756 (unsigned int)*value & 0xffffffff);
757 } else {
758 status = acpi_evaluate_object(handle, method, NULL, &output);
759 dprintk("__call_snc_method: [%s]\n", method);
760 }
761
762 if (ACPI_FAILURE(status)) {
763 pr_err("Failed to evaluate [%s]\n", method);
764 return NULL;
765 }
766
767 result = (union acpi_object *) output.pointer;
768 if (!result)
769 dprintk("No return object [%s]\n", method);
770
771 return result;
772}
773
774static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
775 int *result)
776{
777 union acpi_object *object = NULL;
778 if (value) {
779 u64 v = *value;
780 object = __call_snc_method(handle, name, &v);
781 } else
782 object = __call_snc_method(handle, name, NULL);
783
784 if (!object)
785 return -EINVAL;
786
787 if (object->type != ACPI_TYPE_INTEGER) {
788 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
789 ACPI_TYPE_INTEGER, object->type);
790 kfree(object);
791 return -EINVAL;
792 }
793
794 if (result)
795 *result = object->integer.value;
796
797 kfree(object);
798 return 0;
799}
800
801#define MIN(a, b) (a > b ? b : a)
802static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
803 void *buffer, size_t buflen)
804{
805 int ret = 0;
806 size_t len;
807 union acpi_object *object = __call_snc_method(handle, name, value);
808
809 if (!object)
810 return -EINVAL;
811
812 if (object->type == ACPI_TYPE_BUFFER) {
813 len = MIN(buflen, object->buffer.length);
814 memcpy(buffer, object->buffer.pointer, len);
815
816 } else if (object->type == ACPI_TYPE_INTEGER) {
817 len = MIN(buflen, sizeof(object->integer.value));
818 memcpy(buffer, &object->integer.value, len);
819
820 } else {
821 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
822 ACPI_TYPE_BUFFER, object->type);
823 ret = -EINVAL;
824 }
825
826 kfree(object);
827 return ret;
828}
829
830struct sony_nc_handles {
831 u16 cap[0x10];
832 struct device_attribute devattr;
833};
834
835static struct sony_nc_handles *handles;
836
837static ssize_t sony_nc_handles_show(struct device *dev,
838 struct device_attribute *attr, char *buffer)
839{
840 ssize_t len = 0;
841 int i;
842
843 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
844 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
845 handles->cap[i]);
846 }
847 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
848
849 return len;
850}
851
852static int sony_nc_handles_setup(struct platform_device *pd)
853{
854 int i, r, result, arg;
855
856 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
857 if (!handles)
858 return -ENOMEM;
859
860 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
861 arg = i + 0x20;
862 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
863 &result);
864 if (!r) {
865 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
866 result, i);
867 handles->cap[i] = result;
868 }
869 }
870
871 if (debug) {
872 sysfs_attr_init(&handles->devattr.attr);
873 handles->devattr.attr.name = "handles";
874 handles->devattr.attr.mode = S_IRUGO;
875 handles->devattr.show = sony_nc_handles_show;
876
877 /* allow reading capabilities via sysfs */
878 if (device_create_file(&pd->dev, &handles->devattr)) {
879 kfree(handles);
880 handles = NULL;
881 return -1;
882 }
883 }
884
885 return 0;
886}
887
888static int sony_nc_handles_cleanup(struct platform_device *pd)
889{
890 if (handles) {
891 if (debug)
892 device_remove_file(&pd->dev, &handles->devattr);
893 kfree(handles);
894 handles = NULL;
895 }
896 return 0;
897}
898
899static int sony_find_snc_handle(int handle)
900{
901 int i;
902
903 /* not initialized yet, return early */
904 if (!handles || !handle)
905 return -EINVAL;
906
907 for (i = 0; i < 0x10; i++) {
908 if (handles->cap[i] == handle) {
909 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
910 handle, i);
911 return i;
912 }
913 }
914 dprintk("handle 0x%.4x not found\n", handle);
915 return -EINVAL;
916}
917
918static int sony_call_snc_handle(int handle, int argument, int *result)
919{
920 int arg, ret = 0;
921 int offset = sony_find_snc_handle(handle);
922
923 if (offset < 0)
924 return offset;
925
926 arg = offset | argument;
927 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
928 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
929 return ret;
930}
931
932/*
933 * sony_nc_values input/output validate functions
934 */
935
936/* brightness_default_validate:
937 *
938 * manipulate input output values to keep consistency with the
939 * backlight framework for which brightness values are 0-based.
940 */
941static int brightness_default_validate(const int direction, const int value)
942{
943 switch (direction) {
944 case SNC_VALIDATE_OUT:
945 return value - 1;
946 case SNC_VALIDATE_IN:
947 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
948 return value + 1;
949 }
950 return -EINVAL;
951}
952
953/* boolean_validate:
954 *
955 * on input validate boolean values 0/1, on output just pass the
956 * received value.
957 */
958static int boolean_validate(const int direction, const int value)
959{
960 if (direction == SNC_VALIDATE_IN) {
961 if (value != 0 && value != 1)
962 return -EINVAL;
963 }
964 return value;
965}
966
967/*
968 * Sysfs show/store common to all sony_nc_values
969 */
970static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
971 char *buffer)
972{
973 int value, ret = 0;
974 struct sony_nc_value *item =
975 container_of(attr, struct sony_nc_value, devattr);
976
977 if (!*item->acpiget)
978 return -EIO;
979
980 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
981 &value);
982 if (ret < 0)
983 return -EIO;
984
985 if (item->validate)
986 value = item->validate(SNC_VALIDATE_OUT, value);
987
988 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
989}
990
991static ssize_t sony_nc_sysfs_store(struct device *dev,
992 struct device_attribute *attr,
993 const char *buffer, size_t count)
994{
995 int value;
996 int ret = 0;
997 struct sony_nc_value *item =
998 container_of(attr, struct sony_nc_value, devattr);
999
1000 if (!item->acpiset)
1001 return -EIO;
1002
1003 if (count > 31)
1004 return -EINVAL;
1005
1006 if (kstrtoint(buffer, 10, &value))
1007 return -EINVAL;
1008
1009 if (item->validate)
1010 value = item->validate(SNC_VALIDATE_IN, value);
1011
1012 if (value < 0)
1013 return value;
1014
1015 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1016 &value, NULL);
1017 if (ret < 0)
1018 return -EIO;
1019
1020 item->value = value;
1021 item->valid = 1;
1022 return count;
1023}
1024
1025
1026/*
1027 * Backlight device
1028 */
1029struct sony_backlight_props {
1030 struct backlight_device *dev;
1031 int handle;
1032 int cmd_base;
1033 u8 offset;
1034 u8 maxlvl;
1035};
1036static struct sony_backlight_props sony_bl_props;
1037
1038static int sony_backlight_update_status(struct backlight_device *bd)
1039{
1040 int arg = bd->props.brightness + 1;
1041 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1042}
1043
1044static int sony_backlight_get_brightness(struct backlight_device *bd)
1045{
1046 int value;
1047
1048 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1049 return 0;
1050 /* brightness levels are 1-based, while backlight ones are 0-based */
1051 return value - 1;
1052}
1053
1054static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1055{
1056 int result;
1057 struct sony_backlight_props *sdev =
1058 (struct sony_backlight_props *)bl_get_data(bd);
1059
1060 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1061
1062 return (result & 0xff) - sdev->offset;
1063}
1064
1065static int sony_nc_update_status_ng(struct backlight_device *bd)
1066{
1067 int value, result;
1068 struct sony_backlight_props *sdev =
1069 (struct sony_backlight_props *)bl_get_data(bd);
1070
1071 value = bd->props.brightness + sdev->offset;
1072 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1073 &result))
1074 return -EIO;
1075
1076 return value;
1077}
1078
1079static const struct backlight_ops sony_backlight_ops = {
1080 .options = BL_CORE_SUSPENDRESUME,
1081 .update_status = sony_backlight_update_status,
1082 .get_brightness = sony_backlight_get_brightness,
1083};
1084static const struct backlight_ops sony_backlight_ng_ops = {
1085 .options = BL_CORE_SUSPENDRESUME,
1086 .update_status = sony_nc_update_status_ng,
1087 .get_brightness = sony_nc_get_brightness_ng,
1088};
1089
1090/*
1091 * New SNC-only Vaios event mapping to driver known keys
1092 */
1093struct sony_nc_event {
1094 u8 data;
1095 u8 event;
1096};
1097
1098static struct sony_nc_event sony_100_events[] = {
1099 { 0x90, SONYPI_EVENT_PKEY_P1 },
1100 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1101 { 0x91, SONYPI_EVENT_PKEY_P2 },
1102 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1103 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1104 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1106 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1108 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1110 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1111 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1112 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1113 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1114 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1115 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1116 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1117 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1118 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1119 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1120 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1121 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1122 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1123 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1124 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1125 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1126 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1127 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1128 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1129 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1130 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1132 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1134 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1136 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1138 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 { 0xa8, SONYPI_EVENT_FNKEY_1 },
1140 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 { 0, 0 },
1142};
1143
1144static struct sony_nc_event sony_127_events[] = {
1145 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1146 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1147 { 0x82, SONYPI_EVENT_PKEY_P1 },
1148 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1149 { 0x83, SONYPI_EVENT_PKEY_P2 },
1150 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1151 { 0x84, SONYPI_EVENT_PKEY_P3 },
1152 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1153 { 0x85, SONYPI_EVENT_PKEY_P4 },
1154 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1155 { 0x86, SONYPI_EVENT_PKEY_P5 },
1156 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1157 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1158 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1159 { 0, 0 },
1160};
1161
1162static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1163{
1164 int ret = -EINVAL;
1165 unsigned int result = 0;
1166 struct sony_nc_event *key_event;
1167
1168 if (sony_call_snc_handle(handle, 0x200, &result)) {
1169 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1170 event);
1171 return -EINVAL;
1172 }
1173
1174 result &= 0xFF;
1175
1176 if (handle == 0x0100)
1177 key_event = sony_100_events;
1178 else
1179 key_event = sony_127_events;
1180
1181 for (; key_event->data; key_event++) {
1182 if (key_event->data == result) {
1183 ret = key_event->event;
1184 break;
1185 }
1186 }
1187
1188 if (!key_event->data)
1189 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1190 event, result, handle);
1191
1192 return ret;
1193}
1194
1195/*
1196 * ACPI callbacks
1197 */
1198enum event_types {
1199 HOTKEY = 1,
1200 KILLSWITCH,
1201 GFX_SWITCH
1202};
1203static void sony_nc_notify(struct acpi_device *device, u32 event)
1204{
1205 u32 real_ev = event;
1206 u8 ev_type = 0;
1207 int ret;
1208
1209 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1210
1211 if (event >= 0x90) {
1212 unsigned int result = 0;
1213 unsigned int arg = 0;
1214 unsigned int handle = 0;
1215 unsigned int offset = event - 0x90;
1216
1217 if (offset >= ARRAY_SIZE(handles->cap)) {
1218 pr_err("Event 0x%x outside of capabilities list\n",
1219 event);
1220 return;
1221 }
1222 handle = handles->cap[offset];
1223
1224 /* list of handles known for generating events */
1225 switch (handle) {
1226 /* hotkey event */
1227 case 0x0100:
1228 case 0x0127:
1229 ev_type = HOTKEY;
1230 ret = sony_nc_hotkeys_decode(event, handle);
1231
1232 if (ret > 0) {
1233 sony_laptop_report_input_event(ret);
1234 real_ev = ret;
1235 }
1236
1237 break;
1238
1239 /* wlan switch */
1240 case 0x0124:
1241 case 0x0135:
1242 /* events on this handle are reported when the
1243 * switch changes position or for battery
1244 * events. We'll notify both of them but only
1245 * update the rfkill device status when the
1246 * switch is moved.
1247 */
1248 ev_type = KILLSWITCH;
1249 sony_call_snc_handle(handle, 0x0100, &result);
1250 real_ev = result & 0x03;
1251
1252 /* hw switch event */
1253 if (real_ev == 1)
1254 sony_nc_rfkill_update();
1255
1256 break;
1257
1258 case 0x0128:
1259 case 0x0146:
1260 /* Hybrid GFX switching */
1261 sony_call_snc_handle(handle, 0x0000, &result);
1262 dprintk("GFX switch event received (reason: %s)\n",
1263 (result == 0x1) ? "switch change" :
1264 (result == 0x2) ? "output switch" :
1265 (result == 0x3) ? "output switch" :
1266 "");
1267
1268 ev_type = GFX_SWITCH;
1269 real_ev = __sony_nc_gfx_switch_status_get();
1270 break;
1271
1272 case 0x015B:
1273 /* Hybrid GFX switching SVS151290S */
1274 ev_type = GFX_SWITCH;
1275 real_ev = __sony_nc_gfx_switch_status_get();
1276 break;
1277 default:
1278 dprintk("Unknown event 0x%x for handle 0x%x\n",
1279 event, handle);
1280 break;
1281 }
1282
1283 /* clear the event (and the event reason when present) */
1284 arg = 1 << offset;
1285 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1286
1287 } else {
1288 /* old style event */
1289 ev_type = HOTKEY;
1290 sony_laptop_report_input_event(real_ev);
1291 }
1292 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1293 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1294}
1295
1296static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1297 void *context, void **return_value)
1298{
1299 struct acpi_device_info *info;
1300
1301 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1302 pr_warn("method: name: %4.4s, args %X\n",
1303 (char *)&info->name, info->param_count);
1304
1305 kfree(info);
1306 }
1307
1308 return AE_OK;
1309}
1310
1311/*
1312 * ACPI device
1313 */
1314static void sony_nc_function_setup(struct acpi_device *device,
1315 struct platform_device *pf_device)
1316{
1317 unsigned int i, result, bitmask, arg;
1318
1319 if (!handles)
1320 return;
1321
1322 /* setup found handles here */
1323 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1324 unsigned int handle = handles->cap[i];
1325
1326 if (!handle)
1327 continue;
1328
1329 dprintk("setting up handle 0x%.4x\n", handle);
1330
1331 switch (handle) {
1332 case 0x0100:
1333 case 0x0101:
1334 case 0x0127:
1335 /* setup hotkeys */
1336 sony_call_snc_handle(handle, 0, &result);
1337 break;
1338 case 0x0102:
1339 /* setup hotkeys */
1340 sony_call_snc_handle(handle, 0x100, &result);
1341 break;
1342 case 0x0105:
1343 case 0x0148:
1344 /* touchpad enable/disable */
1345 result = sony_nc_touchpad_setup(pf_device, handle);
1346 if (result)
1347 pr_err("couldn't set up touchpad control function (%d)\n",
1348 result);
1349 break;
1350 case 0x0115:
1351 case 0x0136:
1352 case 0x013f:
1353 result = sony_nc_battery_care_setup(pf_device, handle);
1354 if (result)
1355 pr_err("couldn't set up battery care function (%d)\n",
1356 result);
1357 break;
1358 case 0x0119:
1359 case 0x015D:
1360 result = sony_nc_lid_resume_setup(pf_device, handle);
1361 if (result)
1362 pr_err("couldn't set up lid resume function (%d)\n",
1363 result);
1364 break;
1365 case 0x0122:
1366 result = sony_nc_thermal_setup(pf_device);
1367 if (result)
1368 pr_err("couldn't set up thermal profile function (%d)\n",
1369 result);
1370 break;
1371 case 0x0128:
1372 case 0x0146:
1373 case 0x015B:
1374 result = sony_nc_gfx_switch_setup(pf_device, handle);
1375 if (result)
1376 pr_err("couldn't set up GFX Switch status (%d)\n",
1377 result);
1378 break;
1379 case 0x0131:
1380 result = sony_nc_highspeed_charging_setup(pf_device);
1381 if (result)
1382 pr_err("couldn't set up high speed charging function (%d)\n",
1383 result);
1384 break;
1385 case 0x0124:
1386 case 0x0135:
1387 result = sony_nc_rfkill_setup(device, handle);
1388 if (result)
1389 pr_err("couldn't set up rfkill support (%d)\n",
1390 result);
1391 break;
1392 case 0x0137:
1393 case 0x0143:
1394 case 0x014b:
1395 case 0x014c:
1396 case 0x0153:
1397 case 0x0163:
1398 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1399 if (result)
1400 pr_err("couldn't set up keyboard backlight function (%d)\n",
1401 result);
1402 break;
1403 case 0x0121:
1404 result = sony_nc_lowbatt_setup(pf_device);
1405 if (result)
1406 pr_err("couldn't set up low battery function (%d)\n",
1407 result);
1408 break;
1409 case 0x0149:
1410 result = sony_nc_fanspeed_setup(pf_device);
1411 if (result)
1412 pr_err("couldn't set up fan speed function (%d)\n",
1413 result);
1414 break;
1415 case 0x0155:
1416 result = sony_nc_usb_charge_setup(pf_device);
1417 if (result)
1418 pr_err("couldn't set up USB charge support (%d)\n",
1419 result);
1420 break;
1421 case 0x011D:
1422 result = sony_nc_panelid_setup(pf_device);
1423 if (result)
1424 pr_err("couldn't set up panel ID function (%d)\n",
1425 result);
1426 break;
1427 case 0x0168:
1428 result = sony_nc_smart_conn_setup(pf_device);
1429 if (result)
1430 pr_err("couldn't set up smart connect support (%d)\n",
1431 result);
1432 break;
1433 default:
1434 continue;
1435 }
1436 }
1437
1438 /* Enable all events */
1439 arg = 0x10;
1440 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1441 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1442 &result);
1443}
1444
1445static void sony_nc_function_cleanup(struct platform_device *pd)
1446{
1447 unsigned int i, result, bitmask, handle;
1448
1449 if (!handles)
1450 return;
1451
1452 /* get enabled events and disable them */
1453 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1454 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1455
1456 /* cleanup handles here */
1457 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1458
1459 handle = handles->cap[i];
1460
1461 if (!handle)
1462 continue;
1463
1464 switch (handle) {
1465 case 0x0105:
1466 case 0x0148:
1467 sony_nc_touchpad_cleanup(pd);
1468 break;
1469 case 0x0115:
1470 case 0x0136:
1471 case 0x013f:
1472 sony_nc_battery_care_cleanup(pd);
1473 break;
1474 case 0x0119:
1475 case 0x015D:
1476 sony_nc_lid_resume_cleanup(pd);
1477 break;
1478 case 0x0122:
1479 sony_nc_thermal_cleanup(pd);
1480 break;
1481 case 0x0128:
1482 case 0x0146:
1483 case 0x015B:
1484 sony_nc_gfx_switch_cleanup(pd);
1485 break;
1486 case 0x0131:
1487 sony_nc_highspeed_charging_cleanup(pd);
1488 break;
1489 case 0x0124:
1490 case 0x0135:
1491 sony_nc_rfkill_cleanup();
1492 break;
1493 case 0x0137:
1494 case 0x0143:
1495 case 0x014b:
1496 case 0x014c:
1497 case 0x0153:
1498 case 0x0163:
1499 sony_nc_kbd_backlight_cleanup(pd, handle);
1500 break;
1501 case 0x0121:
1502 sony_nc_lowbatt_cleanup(pd);
1503 break;
1504 case 0x0149:
1505 sony_nc_fanspeed_cleanup(pd);
1506 break;
1507 case 0x0155:
1508 sony_nc_usb_charge_cleanup(pd);
1509 break;
1510 case 0x011D:
1511 sony_nc_panelid_cleanup(pd);
1512 break;
1513 case 0x0168:
1514 sony_nc_smart_conn_cleanup(pd);
1515 break;
1516 default:
1517 continue;
1518 }
1519 }
1520
1521 /* finally cleanup the handles list */
1522 sony_nc_handles_cleanup(pd);
1523}
1524
1525#ifdef CONFIG_PM_SLEEP
1526static void sony_nc_function_resume(void)
1527{
1528 unsigned int i, result, bitmask, arg;
1529
1530 dprintk("Resuming SNC device\n");
1531
1532 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1533 unsigned int handle = handles->cap[i];
1534
1535 if (!handle)
1536 continue;
1537
1538 switch (handle) {
1539 case 0x0100:
1540 case 0x0101:
1541 case 0x0127:
1542 /* re-enable hotkeys */
1543 sony_call_snc_handle(handle, 0, &result);
1544 break;
1545 case 0x0102:
1546 /* re-enable hotkeys */
1547 sony_call_snc_handle(handle, 0x100, &result);
1548 break;
1549 case 0x0122:
1550 sony_nc_thermal_resume();
1551 break;
1552 case 0x0124:
1553 case 0x0135:
1554 sony_nc_rfkill_update();
1555 break;
1556 default:
1557 continue;
1558 }
1559 }
1560
1561 /* Enable all events */
1562 arg = 0x10;
1563 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1564 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1565 &result);
1566}
1567
1568static int sony_nc_resume(struct device *dev)
1569{
1570 struct sony_nc_value *item;
1571
1572 for (item = sony_nc_values; item->name; item++) {
1573 int ret;
1574
1575 if (!item->valid)
1576 continue;
1577 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1578 &item->value, NULL);
1579 if (ret < 0) {
1580 pr_err("%s: %d\n", __func__, ret);
1581 break;
1582 }
1583 }
1584
1585 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1586 int arg = 1;
1587 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1588 dprintk("ECON Method failed\n");
1589 }
1590
1591 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1592 sony_nc_function_resume();
1593
1594 return 0;
1595}
1596#endif
1597
1598static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1599
1600static void sony_nc_rfkill_cleanup(void)
1601{
1602 int i;
1603
1604 for (i = 0; i < N_SONY_RFKILL; i++) {
1605 if (sony_rfkill_devices[i]) {
1606 rfkill_unregister(sony_rfkill_devices[i]);
1607 rfkill_destroy(sony_rfkill_devices[i]);
1608 }
1609 }
1610}
1611
1612static int sony_nc_rfkill_set(void *data, bool blocked)
1613{
1614 int result;
1615 int argument = sony_rfkill_address[(long) data] + 0x100;
1616
1617 if (!blocked)
1618 argument |= 0x070000;
1619
1620 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1621}
1622
1623static const struct rfkill_ops sony_rfkill_ops = {
1624 .set_block = sony_nc_rfkill_set,
1625};
1626
1627static int sony_nc_setup_rfkill(struct acpi_device *device,
1628 enum sony_nc_rfkill nc_type)
1629{
1630 int err = 0;
1631 struct rfkill *rfk;
1632 enum rfkill_type type;
1633 const char *name;
1634 int result;
1635 bool hwblock, swblock;
1636
1637 switch (nc_type) {
1638 case SONY_WIFI:
1639 type = RFKILL_TYPE_WLAN;
1640 name = "sony-wifi";
1641 break;
1642 case SONY_BLUETOOTH:
1643 type = RFKILL_TYPE_BLUETOOTH;
1644 name = "sony-bluetooth";
1645 break;
1646 case SONY_WWAN:
1647 type = RFKILL_TYPE_WWAN;
1648 name = "sony-wwan";
1649 break;
1650 case SONY_WIMAX:
1651 type = RFKILL_TYPE_WIMAX;
1652 name = "sony-wimax";
1653 break;
1654 default:
1655 return -EINVAL;
1656 }
1657
1658 rfk = rfkill_alloc(name, &device->dev, type,
1659 &sony_rfkill_ops, (void *)nc_type);
1660 if (!rfk)
1661 return -ENOMEM;
1662
1663 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1664 rfkill_destroy(rfk);
1665 return -1;
1666 }
1667 hwblock = !(result & 0x1);
1668
1669 if (sony_call_snc_handle(sony_rfkill_handle,
1670 sony_rfkill_address[nc_type],
1671 &result) < 0) {
1672 rfkill_destroy(rfk);
1673 return -1;
1674 }
1675 swblock = !(result & 0x2);
1676
1677 rfkill_init_sw_state(rfk, swblock);
1678 rfkill_set_hw_state(rfk, hwblock);
1679
1680 err = rfkill_register(rfk);
1681 if (err) {
1682 rfkill_destroy(rfk);
1683 return err;
1684 }
1685 sony_rfkill_devices[nc_type] = rfk;
1686 return err;
1687}
1688
1689static void sony_nc_rfkill_update(void)
1690{
1691 enum sony_nc_rfkill i;
1692 int result;
1693 bool hwblock;
1694
1695 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1696 hwblock = !(result & 0x1);
1697
1698 for (i = 0; i < N_SONY_RFKILL; i++) {
1699 int argument = sony_rfkill_address[i];
1700
1701 if (!sony_rfkill_devices[i])
1702 continue;
1703
1704 if (hwblock) {
1705 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1706 /* we already know we're blocked */
1707 }
1708 continue;
1709 }
1710
1711 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1712 rfkill_set_states(sony_rfkill_devices[i],
1713 !(result & 0x2), false);
1714 }
1715}
1716
1717static int sony_nc_rfkill_setup(struct acpi_device *device,
1718 unsigned int handle)
1719{
1720 u64 offset;
1721 int i;
1722 unsigned char buffer[32] = { 0 };
1723
1724 offset = sony_find_snc_handle(handle);
1725 sony_rfkill_handle = handle;
1726
1727 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1728 32);
1729 if (i < 0)
1730 return i;
1731
1732 /* The buffer is filled with magic numbers describing the devices
1733 * available, 0xff terminates the enumeration.
1734 * Known codes:
1735 * 0x00 WLAN
1736 * 0x10 BLUETOOTH
1737 * 0x20 WWAN GPRS-EDGE
1738 * 0x21 WWAN HSDPA
1739 * 0x22 WWAN EV-DO
1740 * 0x23 WWAN GPS
1741 * 0x25 Gobi WWAN no GPS
1742 * 0x26 Gobi WWAN + GPS
1743 * 0x28 Gobi WWAN no GPS
1744 * 0x29 Gobi WWAN + GPS
1745 * 0x30 WIMAX
1746 * 0x50 Gobi WWAN no GPS
1747 * 0x51 Gobi WWAN + GPS
1748 * 0x70 no SIM card slot
1749 * 0x71 SIM card slot
1750 */
1751 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1752
1753 if (buffer[i] == 0xff)
1754 break;
1755
1756 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1757
1758 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1759 sony_nc_setup_rfkill(device, SONY_WIFI);
1760
1761 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1762 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1763
1764 if (((0xf0 & buffer[i]) == 0x20 ||
1765 (0xf0 & buffer[i]) == 0x50) &&
1766 !sony_rfkill_devices[SONY_WWAN])
1767 sony_nc_setup_rfkill(device, SONY_WWAN);
1768
1769 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1770 sony_nc_setup_rfkill(device, SONY_WIMAX);
1771 }
1772 return 0;
1773}
1774
1775/* Keyboard backlight feature */
1776struct kbd_backlight {
1777 unsigned int handle;
1778 unsigned int base;
1779 unsigned int mode;
1780 unsigned int timeout;
1781 unsigned int has_timeout;
1782 struct device_attribute mode_attr;
1783 struct device_attribute timeout_attr;
1784};
1785
1786static struct kbd_backlight *kbdbl_ctl;
1787
1788static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1789{
1790 int result;
1791
1792 if (value > 2)
1793 return -EINVAL;
1794
1795 if (sony_call_snc_handle(kbdbl_ctl->handle,
1796 (value << 0x10) | (kbdbl_ctl->base), &result))
1797 return -EIO;
1798
1799 /* Try to turn the light on/off immediately */
1800 if (value != 1)
1801 sony_call_snc_handle(kbdbl_ctl->handle,
1802 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1803 &result);
1804
1805 kbdbl_ctl->mode = value;
1806
1807 return 0;
1808}
1809
1810static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1811 struct device_attribute *attr,
1812 const char *buffer, size_t count)
1813{
1814 int ret = 0;
1815 unsigned long value;
1816
1817 if (count > 31)
1818 return -EINVAL;
1819
1820 if (kstrtoul(buffer, 10, &value))
1821 return -EINVAL;
1822
1823 ret = __sony_nc_kbd_backlight_mode_set(value);
1824 if (ret < 0)
1825 return ret;
1826
1827 return count;
1828}
1829
1830static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1831 struct device_attribute *attr, char *buffer)
1832{
1833 ssize_t count = 0;
1834 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1835 return count;
1836}
1837
1838static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1839{
1840 int result;
1841
1842 if (value > 3)
1843 return -EINVAL;
1844
1845 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1846 (kbdbl_ctl->base + 0x200), &result))
1847 return -EIO;
1848
1849 kbdbl_ctl->timeout = value;
1850
1851 return 0;
1852}
1853
1854static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1855 struct device_attribute *attr,
1856 const char *buffer, size_t count)
1857{
1858 int ret = 0;
1859 unsigned long value;
1860
1861 if (count > 31)
1862 return -EINVAL;
1863
1864 if (kstrtoul(buffer, 10, &value))
1865 return -EINVAL;
1866
1867 ret = __sony_nc_kbd_backlight_timeout_set(value);
1868 if (ret < 0)
1869 return ret;
1870
1871 return count;
1872}
1873
1874static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1875 struct device_attribute *attr, char *buffer)
1876{
1877 ssize_t count = 0;
1878 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1879 return count;
1880}
1881
1882static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1883 unsigned int handle)
1884{
1885 int result;
1886 int probe_base = 0;
1887 int ctl_base = 0;
1888 int ret = 0;
1889
1890 if (kbdbl_ctl) {
1891 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1892 handle, kbdbl_ctl->handle);
1893 return -EBUSY;
1894 }
1895
1896 /* verify the kbd backlight presence, some of these handles are not used
1897 * for keyboard backlight only
1898 */
1899 switch (handle) {
1900 case 0x0153:
1901 probe_base = 0x0;
1902 ctl_base = 0x0;
1903 break;
1904 case 0x0137:
1905 probe_base = 0x0B00;
1906 ctl_base = 0x0C00;
1907 break;
1908 default:
1909 probe_base = 0x0100;
1910 ctl_base = 0x4000;
1911 break;
1912 }
1913
1914 ret = sony_call_snc_handle(handle, probe_base, &result);
1915 if (ret)
1916 return ret;
1917
1918 if ((handle == 0x0137 && !(result & 0x02)) ||
1919 !(result & 0x01)) {
1920 dprintk("no backlight keyboard found\n");
1921 return 0;
1922 }
1923
1924 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1925 if (!kbdbl_ctl)
1926 return -ENOMEM;
1927
1928 kbdbl_ctl->mode = kbd_backlight;
1929 kbdbl_ctl->timeout = kbd_backlight_timeout;
1930 kbdbl_ctl->handle = handle;
1931 kbdbl_ctl->base = ctl_base;
1932 /* Some models do not allow timeout control */
1933 kbdbl_ctl->has_timeout = handle != 0x0153;
1934
1935 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1936 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1937 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1938 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1939 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1940
1941 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1942 if (ret)
1943 goto outkzalloc;
1944
1945 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1946
1947 if (kbdbl_ctl->has_timeout) {
1948 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1949 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1950 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1951 kbdbl_ctl->timeout_attr.show =
1952 sony_nc_kbd_backlight_timeout_show;
1953 kbdbl_ctl->timeout_attr.store =
1954 sony_nc_kbd_backlight_timeout_store;
1955
1956 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1957 if (ret)
1958 goto outmode;
1959
1960 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1961 }
1962
1963
1964 return 0;
1965
1966outmode:
1967 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1968outkzalloc:
1969 kfree(kbdbl_ctl);
1970 kbdbl_ctl = NULL;
1971 return ret;
1972}
1973
1974static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1975 unsigned int handle)
1976{
1977 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1978 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1979 if (kbdbl_ctl->has_timeout)
1980 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1981 kfree(kbdbl_ctl);
1982 kbdbl_ctl = NULL;
1983 }
1984}
1985
1986struct battery_care_control {
1987 struct device_attribute attrs[2];
1988 unsigned int handle;
1989};
1990static struct battery_care_control *bcare_ctl;
1991
1992static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1993 struct device_attribute *attr,
1994 const char *buffer, size_t count)
1995{
1996 unsigned int result, cmd;
1997 unsigned long value;
1998
1999 if (count > 31)
2000 return -EINVAL;
2001
2002 if (kstrtoul(buffer, 10, &value))
2003 return -EINVAL;
2004
2005 /* limit values (2 bits):
2006 * 00 - none
2007 * 01 - 80%
2008 * 10 - 50%
2009 * 11 - 100%
2010 *
2011 * bit 0: 0 disable BCL, 1 enable BCL
2012 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
2013 * bits 2,3: reserved
2014 * bits 4,5: store the limit into the EC
2015 * bits 6,7: store the limit into the battery
2016 */
2017 cmd = 0;
2018
2019 if (value > 0) {
2020 if (value <= 50)
2021 cmd = 0x20;
2022
2023 else if (value <= 80)
2024 cmd = 0x10;
2025
2026 else if (value <= 100)
2027 cmd = 0x30;
2028
2029 else
2030 return -EINVAL;
2031
2032 /*
2033 * handle 0x0115 should allow storing on battery too;
2034 * handle 0x0136 same as 0x0115 + health status;
2035 * handle 0x013f, same as 0x0136 but no storing on the battery
2036 */
2037 if (bcare_ctl->handle != 0x013f)
2038 cmd = cmd | (cmd << 2);
2039
2040 cmd = (cmd | 0x1) << 0x10;
2041 }
2042
2043 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2044 return -EIO;
2045
2046 return count;
2047}
2048
2049static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2050 struct device_attribute *attr, char *buffer)
2051{
2052 unsigned int result, status;
2053
2054 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2055 return -EIO;
2056
2057 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2058 switch (status) {
2059 case 1:
2060 status = 80;
2061 break;
2062 case 2:
2063 status = 50;
2064 break;
2065 case 3:
2066 status = 100;
2067 break;
2068 default:
2069 status = 0;
2070 break;
2071 }
2072
2073 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2074}
2075
2076static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2077 struct device_attribute *attr, char *buffer)
2078{
2079 ssize_t count = 0;
2080 unsigned int health;
2081
2082 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2083 return -EIO;
2084
2085 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2086
2087 return count;
2088}
2089
2090static int sony_nc_battery_care_setup(struct platform_device *pd,
2091 unsigned int handle)
2092{
2093 int ret = 0;
2094
2095 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2096 if (!bcare_ctl)
2097 return -ENOMEM;
2098
2099 bcare_ctl->handle = handle;
2100
2101 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2102 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2103 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2104 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2105 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2106
2107 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2108 if (ret)
2109 goto outkzalloc;
2110
2111 /* 0x0115 is for models with no health reporting capability */
2112 if (handle == 0x0115)
2113 return 0;
2114
2115 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2116 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2117 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2118 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2119
2120 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2121 if (ret)
2122 goto outlimiter;
2123
2124 return 0;
2125
2126outlimiter:
2127 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2128
2129outkzalloc:
2130 kfree(bcare_ctl);
2131 bcare_ctl = NULL;
2132
2133 return ret;
2134}
2135
2136static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2137{
2138 if (bcare_ctl) {
2139 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2140 if (bcare_ctl->handle != 0x0115)
2141 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2142
2143 kfree(bcare_ctl);
2144 bcare_ctl = NULL;
2145 }
2146}
2147
2148struct snc_thermal_ctrl {
2149 unsigned int mode;
2150 unsigned int profiles;
2151 struct device_attribute mode_attr;
2152 struct device_attribute profiles_attr;
2153};
2154static struct snc_thermal_ctrl *th_handle;
2155
2156#define THM_PROFILE_MAX 3
2157static const char * const snc_thermal_profiles[] = {
2158 "balanced",
2159 "silent",
2160 "performance"
2161};
2162
2163static int sony_nc_thermal_mode_set(unsigned short mode)
2164{
2165 unsigned int result;
2166
2167 /* the thermal profile seems to be a two bit bitmask:
2168 * lsb -> silent
2169 * msb -> performance
2170 * no bit set is the normal operation and is always valid
2171 * Some vaio models only have "balanced" and "performance"
2172 */
2173 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2174 return -EINVAL;
2175
2176 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2177 return -EIO;
2178
2179 th_handle->mode = mode;
2180
2181 return 0;
2182}
2183
2184static int sony_nc_thermal_mode_get(void)
2185{
2186 unsigned int result;
2187
2188 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2189 return -EIO;
2190
2191 return result & 0xff;
2192}
2193
2194static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2195 struct device_attribute *attr, char *buffer)
2196{
2197 short cnt;
2198 size_t idx = 0;
2199
2200 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2201 if (!cnt || (th_handle->profiles & cnt))
2202 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2203 snc_thermal_profiles[cnt]);
2204 }
2205 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2206
2207 return idx;
2208}
2209
2210static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2211 struct device_attribute *attr,
2212 const char *buffer, size_t count)
2213{
2214 unsigned short cmd;
2215 size_t len = count;
2216
2217 if (count == 0)
2218 return -EINVAL;
2219
2220 /* skip the newline if present */
2221 if (buffer[len - 1] == '\n')
2222 len--;
2223
2224 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2225 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2226 break;
2227
2228 if (sony_nc_thermal_mode_set(cmd))
2229 return -EIO;
2230
2231 return count;
2232}
2233
2234static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2235 struct device_attribute *attr, char *buffer)
2236{
2237 ssize_t count = 0;
2238 int mode = sony_nc_thermal_mode_get();
2239
2240 if (mode < 0)
2241 return mode;
2242
2243 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2244
2245 return count;
2246}
2247
2248static int sony_nc_thermal_setup(struct platform_device *pd)
2249{
2250 int ret = 0;
2251 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2252 if (!th_handle)
2253 return -ENOMEM;
2254
2255 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2256 if (ret) {
2257 pr_warn("couldn't to read the thermal profiles\n");
2258 goto outkzalloc;
2259 }
2260
2261 ret = sony_nc_thermal_mode_get();
2262 if (ret < 0) {
2263 pr_warn("couldn't to read the current thermal profile");
2264 goto outkzalloc;
2265 }
2266 th_handle->mode = ret;
2267
2268 sysfs_attr_init(&th_handle->profiles_attr.attr);
2269 th_handle->profiles_attr.attr.name = "thermal_profiles";
2270 th_handle->profiles_attr.attr.mode = S_IRUGO;
2271 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2272
2273 sysfs_attr_init(&th_handle->mode_attr.attr);
2274 th_handle->mode_attr.attr.name = "thermal_control";
2275 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2276 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2277 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2278
2279 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2280 if (ret)
2281 goto outkzalloc;
2282
2283 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2284 if (ret)
2285 goto outprofiles;
2286
2287 return 0;
2288
2289outprofiles:
2290 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2291outkzalloc:
2292 kfree(th_handle);
2293 th_handle = NULL;
2294 return ret;
2295}
2296
2297static void sony_nc_thermal_cleanup(struct platform_device *pd)
2298{
2299 if (th_handle) {
2300 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2301 device_remove_file(&pd->dev, &th_handle->mode_attr);
2302 kfree(th_handle);
2303 th_handle = NULL;
2304 }
2305}
2306
2307#ifdef CONFIG_PM_SLEEP
2308static void sony_nc_thermal_resume(void)
2309{
2310 unsigned int status = sony_nc_thermal_mode_get();
2311
2312 if (status != th_handle->mode)
2313 sony_nc_thermal_mode_set(th_handle->mode);
2314}
2315#endif
2316
2317/* resume on LID open */
2318#define LID_RESUME_S5 0
2319#define LID_RESUME_S4 1
2320#define LID_RESUME_S3 2
2321#define LID_RESUME_MAX 3
2322struct snc_lid_resume_control {
2323 struct device_attribute attrs[LID_RESUME_MAX];
2324 unsigned int status;
2325 int handle;
2326};
2327static struct snc_lid_resume_control *lid_ctl;
2328
2329static ssize_t sony_nc_lid_resume_store(struct device *dev,
2330 struct device_attribute *attr,
2331 const char *buffer, size_t count)
2332{
2333 unsigned int result;
2334 unsigned long value;
2335 unsigned int pos = LID_RESUME_S5;
2336 if (count > 31)
2337 return -EINVAL;
2338
2339 if (kstrtoul(buffer, 10, &value) || value > 1)
2340 return -EINVAL;
2341
2342 /* the value we have to write to SNC is a bitmask:
2343 * +--------------+
2344 * | S3 | S4 | S5 |
2345 * +--------------+
2346 * 2 1 0
2347 */
2348 while (pos < LID_RESUME_MAX) {
2349 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2350 break;
2351 pos++;
2352 }
2353 if (pos == LID_RESUME_MAX)
2354 return -EINVAL;
2355
2356 if (value)
2357 value = lid_ctl->status | (1 << pos);
2358 else
2359 value = lid_ctl->status & ~(1 << pos);
2360
2361 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2362 &result))
2363 return -EIO;
2364
2365 lid_ctl->status = value;
2366
2367 return count;
2368}
2369
2370static ssize_t sony_nc_lid_resume_show(struct device *dev,
2371 struct device_attribute *attr,
2372 char *buffer)
2373{
2374 unsigned int pos = LID_RESUME_S5;
2375
2376 while (pos < LID_RESUME_MAX) {
2377 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2378 return snprintf(buffer, PAGE_SIZE, "%d\n",
2379 (lid_ctl->status >> pos) & 0x01);
2380 pos++;
2381 }
2382 return -EINVAL;
2383}
2384
2385static int sony_nc_lid_resume_setup(struct platform_device *pd,
2386 unsigned int handle)
2387{
2388 unsigned int result;
2389 int i;
2390
2391 if (sony_call_snc_handle(handle, 0x0000, &result))
2392 return -EIO;
2393
2394 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2395 if (!lid_ctl)
2396 return -ENOMEM;
2397
2398 lid_ctl->status = result & 0x7;
2399 lid_ctl->handle = handle;
2400
2401 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2402 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2403 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2404 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2405 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2406
2407 if (handle == 0x0119) {
2408 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2409 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2410 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2411 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2412 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2413
2414 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2415 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2416 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2417 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2418 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2419 }
2420 for (i = 0; i < LID_RESUME_MAX &&
2421 lid_ctl->attrs[i].attr.name; i++) {
2422 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2423 if (result)
2424 goto liderror;
2425 }
2426
2427 return 0;
2428
2429liderror:
2430 for (i--; i >= 0; i--)
2431 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2432
2433 kfree(lid_ctl);
2434 lid_ctl = NULL;
2435
2436 return result;
2437}
2438
2439static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2440{
2441 int i;
2442
2443 if (lid_ctl) {
2444 for (i = 0; i < LID_RESUME_MAX; i++) {
2445 if (!lid_ctl->attrs[i].attr.name)
2446 break;
2447
2448 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2449 }
2450
2451 kfree(lid_ctl);
2452 lid_ctl = NULL;
2453 }
2454}
2455
2456/* GFX Switch position */
2457enum gfx_switch {
2458 SPEED,
2459 STAMINA,
2460 AUTO
2461};
2462struct snc_gfx_switch_control {
2463 struct device_attribute attr;
2464 unsigned int handle;
2465};
2466static struct snc_gfx_switch_control *gfxs_ctl;
2467
2468/* returns 0 for speed, 1 for stamina */
2469static int __sony_nc_gfx_switch_status_get(void)
2470{
2471 unsigned int result;
2472
2473 if (sony_call_snc_handle(gfxs_ctl->handle,
2474 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2475 &result))
2476 return -EIO;
2477
2478 switch (gfxs_ctl->handle) {
2479 case 0x0146:
2480 /* 1: discrete GFX (speed)
2481 * 0: integrated GFX (stamina)
2482 */
2483 return result & 0x1 ? SPEED : STAMINA;
2484 break;
2485 case 0x015B:
2486 /* 0: discrete GFX (speed)
2487 * 1: integrated GFX (stamina)
2488 */
2489 return result & 0x1 ? STAMINA : SPEED;
2490 break;
2491 case 0x0128:
2492 /* it's a more elaborated bitmask, for now:
2493 * 2: integrated GFX (stamina)
2494 * 0: discrete GFX (speed)
2495 */
2496 dprintk("GFX Status: 0x%x\n", result);
2497 return result & 0x80 ? AUTO :
2498 result & 0x02 ? STAMINA : SPEED;
2499 break;
2500 }
2501 return -EINVAL;
2502}
2503
2504static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2505 struct device_attribute *attr,
2506 char *buffer)
2507{
2508 int pos = __sony_nc_gfx_switch_status_get();
2509
2510 if (pos < 0)
2511 return pos;
2512
2513 return snprintf(buffer, PAGE_SIZE, "%s\n",
2514 pos == SPEED ? "speed" :
2515 pos == STAMINA ? "stamina" :
2516 pos == AUTO ? "auto" : "unknown");
2517}
2518
2519static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2520 unsigned int handle)
2521{
2522 unsigned int result;
2523
2524 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2525 if (!gfxs_ctl)
2526 return -ENOMEM;
2527
2528 gfxs_ctl->handle = handle;
2529
2530 sysfs_attr_init(&gfxs_ctl->attr.attr);
2531 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2532 gfxs_ctl->attr.attr.mode = S_IRUGO;
2533 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2534
2535 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2536 if (result)
2537 goto gfxerror;
2538
2539 return 0;
2540
2541gfxerror:
2542 kfree(gfxs_ctl);
2543 gfxs_ctl = NULL;
2544
2545 return result;
2546}
2547
2548static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2549{
2550 if (gfxs_ctl) {
2551 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2552
2553 kfree(gfxs_ctl);
2554 gfxs_ctl = NULL;
2555 }
2556}
2557
2558/* High speed charging function */
2559static struct device_attribute *hsc_handle;
2560
2561static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2562 struct device_attribute *attr,
2563 const char *buffer, size_t count)
2564{
2565 unsigned int result;
2566 unsigned long value;
2567
2568 if (count > 31)
2569 return -EINVAL;
2570
2571 if (kstrtoul(buffer, 10, &value) || value > 1)
2572 return -EINVAL;
2573
2574 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2575 return -EIO;
2576
2577 return count;
2578}
2579
2580static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2581 struct device_attribute *attr, char *buffer)
2582{
2583 unsigned int result;
2584
2585 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2586 return -EIO;
2587
2588 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2589}
2590
2591static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2592{
2593 unsigned int result;
2594
2595 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2596 /* some models advertise the handle but have no implementation
2597 * for it
2598 */
2599 pr_info("No High Speed Charging capability found\n");
2600 return 0;
2601 }
2602
2603 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2604 if (!hsc_handle)
2605 return -ENOMEM;
2606
2607 sysfs_attr_init(&hsc_handle->attr);
2608 hsc_handle->attr.name = "battery_highspeed_charging";
2609 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2610 hsc_handle->show = sony_nc_highspeed_charging_show;
2611 hsc_handle->store = sony_nc_highspeed_charging_store;
2612
2613 result = device_create_file(&pd->dev, hsc_handle);
2614 if (result) {
2615 kfree(hsc_handle);
2616 hsc_handle = NULL;
2617 return result;
2618 }
2619
2620 return 0;
2621}
2622
2623static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2624{
2625 if (hsc_handle) {
2626 device_remove_file(&pd->dev, hsc_handle);
2627 kfree(hsc_handle);
2628 hsc_handle = NULL;
2629 }
2630}
2631
2632/* low battery function */
2633static struct device_attribute *lowbatt_handle;
2634
2635static ssize_t sony_nc_lowbatt_store(struct device *dev,
2636 struct device_attribute *attr,
2637 const char *buffer, size_t count)
2638{
2639 unsigned int result;
2640 unsigned long value;
2641
2642 if (count > 31)
2643 return -EINVAL;
2644
2645 if (kstrtoul(buffer, 10, &value) || value > 1)
2646 return -EINVAL;
2647
2648 if (sony_call_snc_handle(0x0121, value << 8, &result))
2649 return -EIO;
2650
2651 return count;
2652}
2653
2654static ssize_t sony_nc_lowbatt_show(struct device *dev,
2655 struct device_attribute *attr, char *buffer)
2656{
2657 unsigned int result;
2658
2659 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2660 return -EIO;
2661
2662 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2663}
2664
2665static int sony_nc_lowbatt_setup(struct platform_device *pd)
2666{
2667 unsigned int result;
2668
2669 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2670 if (!lowbatt_handle)
2671 return -ENOMEM;
2672
2673 sysfs_attr_init(&lowbatt_handle->attr);
2674 lowbatt_handle->attr.name = "lowbatt_hibernate";
2675 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2676 lowbatt_handle->show = sony_nc_lowbatt_show;
2677 lowbatt_handle->store = sony_nc_lowbatt_store;
2678
2679 result = device_create_file(&pd->dev, lowbatt_handle);
2680 if (result) {
2681 kfree(lowbatt_handle);
2682 lowbatt_handle = NULL;
2683 return result;
2684 }
2685
2686 return 0;
2687}
2688
2689static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2690{
2691 if (lowbatt_handle) {
2692 device_remove_file(&pd->dev, lowbatt_handle);
2693 kfree(lowbatt_handle);
2694 lowbatt_handle = NULL;
2695 }
2696}
2697
2698/* fan speed function */
2699static struct device_attribute *fan_handle, *hsf_handle;
2700
2701static ssize_t sony_nc_hsfan_store(struct device *dev,
2702 struct device_attribute *attr,
2703 const char *buffer, size_t count)
2704{
2705 unsigned int result;
2706 unsigned long value;
2707
2708 if (count > 31)
2709 return -EINVAL;
2710
2711 if (kstrtoul(buffer, 10, &value) || value > 1)
2712 return -EINVAL;
2713
2714 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2715 return -EIO;
2716
2717 return count;
2718}
2719
2720static ssize_t sony_nc_hsfan_show(struct device *dev,
2721 struct device_attribute *attr, char *buffer)
2722{
2723 unsigned int result;
2724
2725 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2726 return -EIO;
2727
2728 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2729}
2730
2731static ssize_t sony_nc_fanspeed_show(struct device *dev,
2732 struct device_attribute *attr, char *buffer)
2733{
2734 unsigned int result;
2735
2736 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2737 return -EIO;
2738
2739 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2740}
2741
2742static int sony_nc_fanspeed_setup(struct platform_device *pd)
2743{
2744 unsigned int result;
2745
2746 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2747 if (!fan_handle)
2748 return -ENOMEM;
2749
2750 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2751 if (!hsf_handle) {
2752 result = -ENOMEM;
2753 goto out_hsf_handle_alloc;
2754 }
2755
2756 sysfs_attr_init(&fan_handle->attr);
2757 fan_handle->attr.name = "fanspeed";
2758 fan_handle->attr.mode = S_IRUGO;
2759 fan_handle->show = sony_nc_fanspeed_show;
2760 fan_handle->store = NULL;
2761
2762 sysfs_attr_init(&hsf_handle->attr);
2763 hsf_handle->attr.name = "fan_forced";
2764 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2765 hsf_handle->show = sony_nc_hsfan_show;
2766 hsf_handle->store = sony_nc_hsfan_store;
2767
2768 result = device_create_file(&pd->dev, fan_handle);
2769 if (result)
2770 goto out_fan_handle;
2771
2772 result = device_create_file(&pd->dev, hsf_handle);
2773 if (result)
2774 goto out_hsf_handle;
2775
2776 return 0;
2777
2778out_hsf_handle:
2779 device_remove_file(&pd->dev, fan_handle);
2780
2781out_fan_handle:
2782 kfree(hsf_handle);
2783 hsf_handle = NULL;
2784
2785out_hsf_handle_alloc:
2786 kfree(fan_handle);
2787 fan_handle = NULL;
2788 return result;
2789}
2790
2791static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2792{
2793 if (fan_handle) {
2794 device_remove_file(&pd->dev, fan_handle);
2795 kfree(fan_handle);
2796 fan_handle = NULL;
2797 }
2798 if (hsf_handle) {
2799 device_remove_file(&pd->dev, hsf_handle);
2800 kfree(hsf_handle);
2801 hsf_handle = NULL;
2802 }
2803}
2804
2805/* USB charge function */
2806static struct device_attribute *uc_handle;
2807
2808static ssize_t sony_nc_usb_charge_store(struct device *dev,
2809 struct device_attribute *attr,
2810 const char *buffer, size_t count)
2811{
2812 unsigned int result;
2813 unsigned long value;
2814
2815 if (count > 31)
2816 return -EINVAL;
2817
2818 if (kstrtoul(buffer, 10, &value) || value > 1)
2819 return -EINVAL;
2820
2821 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2822 return -EIO;
2823
2824 return count;
2825}
2826
2827static ssize_t sony_nc_usb_charge_show(struct device *dev,
2828 struct device_attribute *attr, char *buffer)
2829{
2830 unsigned int result;
2831
2832 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2833 return -EIO;
2834
2835 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2836}
2837
2838static int sony_nc_usb_charge_setup(struct platform_device *pd)
2839{
2840 unsigned int result;
2841
2842 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2843 /* some models advertise the handle but have no implementation
2844 * for it
2845 */
2846 pr_info("No USB Charge capability found\n");
2847 return 0;
2848 }
2849
2850 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2851 if (!uc_handle)
2852 return -ENOMEM;
2853
2854 sysfs_attr_init(&uc_handle->attr);
2855 uc_handle->attr.name = "usb_charge";
2856 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2857 uc_handle->show = sony_nc_usb_charge_show;
2858 uc_handle->store = sony_nc_usb_charge_store;
2859
2860 result = device_create_file(&pd->dev, uc_handle);
2861 if (result) {
2862 kfree(uc_handle);
2863 uc_handle = NULL;
2864 return result;
2865 }
2866
2867 return 0;
2868}
2869
2870static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2871{
2872 if (uc_handle) {
2873 device_remove_file(&pd->dev, uc_handle);
2874 kfree(uc_handle);
2875 uc_handle = NULL;
2876 }
2877}
2878
2879/* Panel ID function */
2880static struct device_attribute *panel_handle;
2881
2882static ssize_t sony_nc_panelid_show(struct device *dev,
2883 struct device_attribute *attr, char *buffer)
2884{
2885 unsigned int result;
2886
2887 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2888 return -EIO;
2889
2890 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2891}
2892
2893static int sony_nc_panelid_setup(struct platform_device *pd)
2894{
2895 unsigned int result;
2896
2897 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2898 if (!panel_handle)
2899 return -ENOMEM;
2900
2901 sysfs_attr_init(&panel_handle->attr);
2902 panel_handle->attr.name = "panel_id";
2903 panel_handle->attr.mode = S_IRUGO;
2904 panel_handle->show = sony_nc_panelid_show;
2905 panel_handle->store = NULL;
2906
2907 result = device_create_file(&pd->dev, panel_handle);
2908 if (result) {
2909 kfree(panel_handle);
2910 panel_handle = NULL;
2911 return result;
2912 }
2913
2914 return 0;
2915}
2916
2917static void sony_nc_panelid_cleanup(struct platform_device *pd)
2918{
2919 if (panel_handle) {
2920 device_remove_file(&pd->dev, panel_handle);
2921 kfree(panel_handle);
2922 panel_handle = NULL;
2923 }
2924}
2925
2926/* smart connect function */
2927static struct device_attribute *sc_handle;
2928
2929static ssize_t sony_nc_smart_conn_store(struct device *dev,
2930 struct device_attribute *attr,
2931 const char *buffer, size_t count)
2932{
2933 unsigned int result;
2934 unsigned long value;
2935
2936 if (count > 31)
2937 return -EINVAL;
2938
2939 if (kstrtoul(buffer, 10, &value) || value > 1)
2940 return -EINVAL;
2941
2942 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2943 return -EIO;
2944
2945 return count;
2946}
2947
2948static int sony_nc_smart_conn_setup(struct platform_device *pd)
2949{
2950 unsigned int result;
2951
2952 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2953 if (!sc_handle)
2954 return -ENOMEM;
2955
2956 sysfs_attr_init(&sc_handle->attr);
2957 sc_handle->attr.name = "smart_connect";
2958 sc_handle->attr.mode = S_IWUSR;
2959 sc_handle->show = NULL;
2960 sc_handle->store = sony_nc_smart_conn_store;
2961
2962 result = device_create_file(&pd->dev, sc_handle);
2963 if (result) {
2964 kfree(sc_handle);
2965 sc_handle = NULL;
2966 return result;
2967 }
2968
2969 return 0;
2970}
2971
2972static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2973{
2974 if (sc_handle) {
2975 device_remove_file(&pd->dev, sc_handle);
2976 kfree(sc_handle);
2977 sc_handle = NULL;
2978 }
2979}
2980
2981/* Touchpad enable/disable */
2982struct touchpad_control {
2983 struct device_attribute attr;
2984 int handle;
2985};
2986static struct touchpad_control *tp_ctl;
2987
2988static ssize_t sony_nc_touchpad_store(struct device *dev,
2989 struct device_attribute *attr, const char *buffer, size_t count)
2990{
2991 unsigned int result;
2992 unsigned long value;
2993
2994 if (count > 31)
2995 return -EINVAL;
2996
2997 if (kstrtoul(buffer, 10, &value) || value > 1)
2998 return -EINVAL;
2999
3000 /* sysfs: 0 disabled, 1 enabled
3001 * EC: 0 enabled, 1 disabled
3002 */
3003 if (sony_call_snc_handle(tp_ctl->handle,
3004 (!value << 0x10) | 0x100, &result))
3005 return -EIO;
3006
3007 return count;
3008}
3009
3010static ssize_t sony_nc_touchpad_show(struct device *dev,
3011 struct device_attribute *attr, char *buffer)
3012{
3013 unsigned int result;
3014
3015 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
3016 return -EINVAL;
3017
3018 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
3019}
3020
3021static int sony_nc_touchpad_setup(struct platform_device *pd,
3022 unsigned int handle)
3023{
3024 int ret = 0;
3025
3026 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
3027 if (!tp_ctl)
3028 return -ENOMEM;
3029
3030 tp_ctl->handle = handle;
3031
3032 sysfs_attr_init(&tp_ctl->attr.attr);
3033 tp_ctl->attr.attr.name = "touchpad";
3034 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3035 tp_ctl->attr.show = sony_nc_touchpad_show;
3036 tp_ctl->attr.store = sony_nc_touchpad_store;
3037
3038 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3039 if (ret) {
3040 kfree(tp_ctl);
3041 tp_ctl = NULL;
3042 }
3043
3044 return ret;
3045}
3046
3047static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3048{
3049 if (tp_ctl) {
3050 device_remove_file(&pd->dev, &tp_ctl->attr);
3051 kfree(tp_ctl);
3052 tp_ctl = NULL;
3053 }
3054}
3055
3056static void sony_nc_backlight_ng_read_limits(int handle,
3057 struct sony_backlight_props *props)
3058{
3059 u64 offset;
3060 int i;
3061 int lvl_table_len = 0;
3062 u8 min = 0xff, max = 0x00;
3063 unsigned char buffer[32] = { 0 };
3064
3065 props->handle = handle;
3066 props->offset = 0;
3067 props->maxlvl = 0xff;
3068
3069 offset = sony_find_snc_handle(handle);
3070
3071 /* try to read the boundaries from ACPI tables, if we fail the above
3072 * defaults should be reasonable
3073 */
3074 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3075 32);
3076 if (i < 0)
3077 return;
3078
3079 switch (handle) {
3080 case 0x012f:
3081 case 0x0137:
3082 lvl_table_len = 9;
3083 break;
3084 case 0x143:
3085 case 0x14b:
3086 case 0x14c:
3087 lvl_table_len = 16;
3088 break;
3089 }
3090
3091 /* the buffer lists brightness levels available, brightness levels are
3092 * from position 0 to 8 in the array, other values are used by ALS
3093 * control.
3094 */
3095 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3096
3097 dprintk("Brightness level: %d\n", buffer[i]);
3098
3099 if (!buffer[i])
3100 break;
3101
3102 if (buffer[i] > max)
3103 max = buffer[i];
3104 if (buffer[i] < min)
3105 min = buffer[i];
3106 }
3107 props->offset = min;
3108 props->maxlvl = max;
3109 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3110 props->maxlvl);
3111}
3112
3113static void sony_nc_backlight_setup(void)
3114{
3115 int max_brightness = 0;
3116 const struct backlight_ops *ops = NULL;
3117 struct backlight_properties props;
3118
3119 if (sony_find_snc_handle(0x12f) >= 0) {
3120 ops = &sony_backlight_ng_ops;
3121 sony_bl_props.cmd_base = 0x0100;
3122 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3123 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3124
3125 } else if (sony_find_snc_handle(0x137) >= 0) {
3126 ops = &sony_backlight_ng_ops;
3127 sony_bl_props.cmd_base = 0x0100;
3128 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3129 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3130
3131 } else if (sony_find_snc_handle(0x143) >= 0) {
3132 ops = &sony_backlight_ng_ops;
3133 sony_bl_props.cmd_base = 0x3000;
3134 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3135 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3136
3137 } else if (sony_find_snc_handle(0x14b) >= 0) {
3138 ops = &sony_backlight_ng_ops;
3139 sony_bl_props.cmd_base = 0x3000;
3140 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3141 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3142
3143 } else if (sony_find_snc_handle(0x14c) >= 0) {
3144 ops = &sony_backlight_ng_ops;
3145 sony_bl_props.cmd_base = 0x3000;
3146 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3147 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3148
3149 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3150 ops = &sony_backlight_ops;
3151 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3152
3153 } else
3154 return;
3155
3156 memset(&props, 0, sizeof(struct backlight_properties));
3157 props.type = BACKLIGHT_PLATFORM;
3158 props.max_brightness = max_brightness;
3159 sony_bl_props.dev = backlight_device_register("sony", NULL,
3160 &sony_bl_props,
3161 ops, &props);
3162
3163 if (IS_ERR(sony_bl_props.dev)) {
3164 pr_warn("unable to register backlight device\n");
3165 sony_bl_props.dev = NULL;
3166 } else
3167 sony_bl_props.dev->props.brightness =
3168 ops->get_brightness(sony_bl_props.dev);
3169}
3170
3171static void sony_nc_backlight_cleanup(void)
3172{
3173 backlight_device_unregister(sony_bl_props.dev);
3174}
3175
3176static int sony_nc_add(struct acpi_device *device)
3177{
3178 acpi_status status;
3179 int result = 0;
3180 struct sony_nc_value *item;
3181
3182 sony_nc_acpi_device = device;
3183 strcpy(acpi_device_class(device), "sony/hotkey");
3184
3185 sony_nc_acpi_handle = device->handle;
3186
3187 /* read device status */
3188 result = acpi_bus_get_status(device);
3189 /* bail IFF the above call was successful and the device is not present */
3190 if (!result && !device->status.present) {
3191 dprintk("Device not present\n");
3192 result = -ENODEV;
3193 goto outwalk;
3194 }
3195
3196 result = sony_pf_add();
3197 if (result)
3198 goto outpresent;
3199
3200 if (debug) {
3201 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3202 sony_nc_acpi_handle, 1, sony_walk_callback,
3203 NULL, NULL, NULL);
3204 if (ACPI_FAILURE(status)) {
3205 pr_warn("unable to walk acpi resources\n");
3206 result = -ENODEV;
3207 goto outpresent;
3208 }
3209 }
3210
3211 result = sony_laptop_setup_input(device);
3212 if (result) {
3213 pr_err("Unable to create input devices\n");
3214 goto outplatform;
3215 }
3216
3217 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3218 int arg = 1;
3219 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3220 dprintk("ECON Method failed\n");
3221 }
3222
3223 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3224 dprintk("Doing SNC setup\n");
3225 /* retrieve the available handles */
3226 result = sony_nc_handles_setup(sony_pf_device);
3227 if (!result)
3228 sony_nc_function_setup(device, sony_pf_device);
3229 }
3230
3231 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3232 sony_nc_backlight_setup();
3233
3234 /* create sony_pf sysfs attributes related to the SNC device */
3235 for (item = sony_nc_values; item->name; ++item) {
3236
3237 if (!debug && item->debug)
3238 continue;
3239
3240 /* find the available acpiget as described in the DSDT */
3241 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3242 if (acpi_has_method(sony_nc_acpi_handle,
3243 *item->acpiget)) {
3244 dprintk("Found %s getter: %s\n",
3245 item->name, *item->acpiget);
3246 item->devattr.attr.mode |= S_IRUGO;
3247 break;
3248 }
3249 }
3250
3251 /* find the available acpiset as described in the DSDT */
3252 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3253 if (acpi_has_method(sony_nc_acpi_handle,
3254 *item->acpiset)) {
3255 dprintk("Found %s setter: %s\n",
3256 item->name, *item->acpiset);
3257 item->devattr.attr.mode |= S_IWUSR;
3258 break;
3259 }
3260 }
3261
3262 if (item->devattr.attr.mode != 0) {
3263 result =
3264 device_create_file(&sony_pf_device->dev,
3265 &item->devattr);
3266 if (result)
3267 goto out_sysfs;
3268 }
3269 }
3270
3271 pr_info("SNC setup done.\n");
3272 return 0;
3273
3274out_sysfs:
3275 for (item = sony_nc_values; item->name; ++item) {
3276 device_remove_file(&sony_pf_device->dev, &item->devattr);
3277 }
3278 sony_nc_backlight_cleanup();
3279 sony_nc_function_cleanup(sony_pf_device);
3280 sony_nc_handles_cleanup(sony_pf_device);
3281
3282outplatform:
3283 sony_laptop_remove_input();
3284
3285outpresent:
3286 sony_pf_remove();
3287
3288outwalk:
3289 sony_nc_rfkill_cleanup();
3290 return result;
3291}
3292
3293static int sony_nc_remove(struct acpi_device *device)
3294{
3295 struct sony_nc_value *item;
3296
3297 sony_nc_backlight_cleanup();
3298
3299 sony_nc_acpi_device = NULL;
3300
3301 for (item = sony_nc_values; item->name; ++item) {
3302 device_remove_file(&sony_pf_device->dev, &item->devattr);
3303 }
3304
3305 sony_nc_function_cleanup(sony_pf_device);
3306 sony_nc_handles_cleanup(sony_pf_device);
3307 sony_pf_remove();
3308 sony_laptop_remove_input();
3309 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3310
3311 return 0;
3312}
3313
3314static const struct acpi_device_id sony_device_ids[] = {
3315 {SONY_NC_HID, 0},
3316 {SONY_PIC_HID, 0},
3317 {"", 0},
3318};
3319MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3320
3321static const struct acpi_device_id sony_nc_device_ids[] = {
3322 {SONY_NC_HID, 0},
3323 {"", 0},
3324};
3325
3326static struct acpi_driver sony_nc_driver = {
3327 .name = SONY_NC_DRIVER_NAME,
3328 .class = SONY_NC_CLASS,
3329 .ids = sony_nc_device_ids,
3330 .owner = THIS_MODULE,
3331 .ops = {
3332 .add = sony_nc_add,
3333 .remove = sony_nc_remove,
3334 .notify = sony_nc_notify,
3335 },
3336 .drv.pm = &sony_nc_pm,
3337};
3338
3339/*********** SPIC (SNY6001) Device ***********/
3340
3341#define SONYPI_DEVICE_TYPE1 0x00000001
3342#define SONYPI_DEVICE_TYPE2 0x00000002
3343#define SONYPI_DEVICE_TYPE3 0x00000004
3344
3345#define SONYPI_TYPE1_OFFSET 0x04
3346#define SONYPI_TYPE2_OFFSET 0x12
3347#define SONYPI_TYPE3_OFFSET 0x12
3348
3349struct sony_pic_ioport {
3350 struct acpi_resource_io io1;
3351 struct acpi_resource_io io2;
3352 struct list_head list;
3353};
3354
3355struct sony_pic_irq {
3356 struct acpi_resource_irq irq;
3357 struct list_head list;
3358};
3359
3360struct sonypi_eventtypes {
3361 u8 data;
3362 unsigned long mask;
3363 struct sonypi_event *events;
3364};
3365
3366struct sony_pic_dev {
3367 struct acpi_device *acpi_dev;
3368 struct sony_pic_irq *cur_irq;
3369 struct sony_pic_ioport *cur_ioport;
3370 struct list_head interrupts;
3371 struct list_head ioports;
3372 struct mutex lock;
3373 struct sonypi_eventtypes *event_types;
3374 int (*handle_irq)(const u8, const u8);
3375 int model;
3376 u16 evport_offset;
3377 u8 camera_power;
3378 u8 bluetooth_power;
3379 u8 wwan_power;
3380};
3381
3382static struct sony_pic_dev spic_dev = {
3383 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3384 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3385};
3386
3387static int spic_drv_registered;
3388
3389/* Event masks */
3390#define SONYPI_JOGGER_MASK 0x00000001
3391#define SONYPI_CAPTURE_MASK 0x00000002
3392#define SONYPI_FNKEY_MASK 0x00000004
3393#define SONYPI_BLUETOOTH_MASK 0x00000008
3394#define SONYPI_PKEY_MASK 0x00000010
3395#define SONYPI_BACK_MASK 0x00000020
3396#define SONYPI_HELP_MASK 0x00000040
3397#define SONYPI_LID_MASK 0x00000080
3398#define SONYPI_ZOOM_MASK 0x00000100
3399#define SONYPI_THUMBPHRASE_MASK 0x00000200
3400#define SONYPI_MEYE_MASK 0x00000400
3401#define SONYPI_MEMORYSTICK_MASK 0x00000800
3402#define SONYPI_BATTERY_MASK 0x00001000
3403#define SONYPI_WIRELESS_MASK 0x00002000
3404
3405struct sonypi_event {
3406 u8 data;
3407 u8 event;
3408};
3409
3410/* The set of possible button release events */
3411static struct sonypi_event sonypi_releaseev[] = {
3412 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3413 { 0, 0 }
3414};
3415
3416/* The set of possible jogger events */
3417static struct sonypi_event sonypi_joggerev[] = {
3418 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3419 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3420 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3421 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3422 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3423 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3424 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3425 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3426 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3427 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3428 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3429 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3430 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3431 { 0, 0 }
3432};
3433
3434/* The set of possible capture button events */
3435static struct sonypi_event sonypi_captureev[] = {
3436 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3437 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3438 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3439 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3440 { 0, 0 }
3441};
3442
3443/* The set of possible fnkeys events */
3444static struct sonypi_event sonypi_fnkeyev[] = {
3445 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3446 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3447 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3448 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3449 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3450 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3451 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3452 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3453 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3454 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3455 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3456 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3457 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3458 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3459 { 0x21, SONYPI_EVENT_FNKEY_1 },
3460 { 0x22, SONYPI_EVENT_FNKEY_2 },
3461 { 0x31, SONYPI_EVENT_FNKEY_D },
3462 { 0x32, SONYPI_EVENT_FNKEY_E },
3463 { 0x33, SONYPI_EVENT_FNKEY_F },
3464 { 0x34, SONYPI_EVENT_FNKEY_S },
3465 { 0x35, SONYPI_EVENT_FNKEY_B },
3466 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3467 { 0, 0 }
3468};
3469
3470/* The set of possible program key events */
3471static struct sonypi_event sonypi_pkeyev[] = {
3472 { 0x01, SONYPI_EVENT_PKEY_P1 },
3473 { 0x02, SONYPI_EVENT_PKEY_P2 },
3474 { 0x04, SONYPI_EVENT_PKEY_P3 },
3475 { 0x20, SONYPI_EVENT_PKEY_P1 },
3476 { 0, 0 }
3477};
3478
3479/* The set of possible bluetooth events */
3480static struct sonypi_event sonypi_blueev[] = {
3481 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3482 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3483 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3484 { 0, 0 }
3485};
3486
3487/* The set of possible wireless events */
3488static struct sonypi_event sonypi_wlessev[] = {
3489 { 0x59, SONYPI_EVENT_IGNORE },
3490 { 0x5a, SONYPI_EVENT_IGNORE },
3491 { 0, 0 }
3492};
3493
3494/* The set of possible back button events */
3495static struct sonypi_event sonypi_backev[] = {
3496 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3497 { 0, 0 }
3498};
3499
3500/* The set of possible help button events */
3501static struct sonypi_event sonypi_helpev[] = {
3502 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3503 { 0, 0 }
3504};
3505
3506
3507/* The set of possible lid events */
3508static struct sonypi_event sonypi_lidev[] = {
3509 { 0x51, SONYPI_EVENT_LID_CLOSED },
3510 { 0x50, SONYPI_EVENT_LID_OPENED },
3511 { 0, 0 }
3512};
3513
3514/* The set of possible zoom events */
3515static struct sonypi_event sonypi_zoomev[] = {
3516 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3517 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3518 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3519 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3520 { 0, 0 }
3521};
3522
3523/* The set of possible thumbphrase events */
3524static struct sonypi_event sonypi_thumbphraseev[] = {
3525 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3526 { 0, 0 }
3527};
3528
3529/* The set of possible motioneye camera events */
3530static struct sonypi_event sonypi_meyeev[] = {
3531 { 0x00, SONYPI_EVENT_MEYE_FACE },
3532 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3533 { 0, 0 }
3534};
3535
3536/* The set of possible memorystick events */
3537static struct sonypi_event sonypi_memorystickev[] = {
3538 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3539 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3540 { 0, 0 }
3541};
3542
3543/* The set of possible battery events */
3544static struct sonypi_event sonypi_batteryev[] = {
3545 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3546 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3547 { 0, 0 }
3548};
3549
3550/* The set of possible volume events */
3551static struct sonypi_event sonypi_volumeev[] = {
3552 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3553 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3554 { 0, 0 }
3555};
3556
3557/* The set of possible brightness events */
3558static struct sonypi_event sonypi_brightnessev[] = {
3559 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3560 { 0, 0 }
3561};
3562
3563static struct sonypi_eventtypes type1_events[] = {
3564 { 0, 0xffffffff, sonypi_releaseev },
3565 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3566 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3567 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3568 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3569 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3570 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3571 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3572 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3573 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3574 { 0 },
3575};
3576static struct sonypi_eventtypes type2_events[] = {
3577 { 0, 0xffffffff, sonypi_releaseev },
3578 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3579 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3580 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3581 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3582 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3583 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3584 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3585 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3586 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3587 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3588 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3589 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3590 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3591 { 0 },
3592};
3593static struct sonypi_eventtypes type3_events[] = {
3594 { 0, 0xffffffff, sonypi_releaseev },
3595 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3596 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3597 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3598 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3599 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3600 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3601 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3602 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3603 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3604 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3605 { 0 },
3606};
3607
3608/* low level spic calls */
3609#define ITERATIONS_LONG 10000
3610#define ITERATIONS_SHORT 10
3611#define wait_on_command(command, iterations) { \
3612 unsigned int n = iterations; \
3613 while (--n && (command)) \
3614 udelay(1); \
3615 if (!n) \
3616 dprintk("command failed at %s : %s (line %d)\n", \
3617 __FILE__, __func__, __LINE__); \
3618}
3619
3620static u8 sony_pic_call1(u8 dev)
3621{
3622 u8 v1, v2;
3623
3624 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3625 ITERATIONS_LONG);
3626 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3627 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3628 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3629 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3630 return v2;
3631}
3632
3633static u8 sony_pic_call2(u8 dev, u8 fn)
3634{
3635 u8 v1;
3636
3637 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3638 ITERATIONS_LONG);
3639 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3640 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3641 ITERATIONS_LONG);
3642 outb(fn, spic_dev.cur_ioport->io1.minimum);
3643 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3644 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3645 return v1;
3646}
3647
3648static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3649{
3650 u8 v1;
3651
3652 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3653 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3654 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3655 outb(fn, spic_dev.cur_ioport->io1.minimum);
3656 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3657 outb(v, spic_dev.cur_ioport->io1.minimum);
3658 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3659 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3660 dev, fn, v, v1);
3661 return v1;
3662}
3663
3664/*
3665 * minidrivers for SPIC models
3666 */
3667static int type3_handle_irq(const u8 data_mask, const u8 ev)
3668{
3669 /*
3670 * 0x31 could mean we have to take some extra action and wait for
3671 * the next irq for some Type3 models, it will generate a new
3672 * irq and we can read new data from the device:
3673 * - 0x5c and 0x5f requires 0xA0
3674 * - 0x61 requires 0xB3
3675 */
3676 if (data_mask == 0x31) {
3677 if (ev == 0x5c || ev == 0x5f)
3678 sony_pic_call1(0xA0);
3679 else if (ev == 0x61)
3680 sony_pic_call1(0xB3);
3681 return 0;
3682 }
3683 return 1;
3684}
3685
3686static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3687{
3688 struct pci_dev *pcidev;
3689
3690 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3691 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3692 if (pcidev) {
3693 dev->model = SONYPI_DEVICE_TYPE1;
3694 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3695 dev->event_types = type1_events;
3696 goto out;
3697 }
3698
3699 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3700 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3701 if (pcidev) {
3702 dev->model = SONYPI_DEVICE_TYPE2;
3703 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3704 dev->event_types = type2_events;
3705 goto out;
3706 }
3707
3708 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3709 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3710 if (pcidev) {
3711 dev->model = SONYPI_DEVICE_TYPE3;
3712 dev->handle_irq = type3_handle_irq;
3713 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3714 dev->event_types = type3_events;
3715 goto out;
3716 }
3717
3718 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3719 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3720 if (pcidev) {
3721 dev->model = SONYPI_DEVICE_TYPE3;
3722 dev->handle_irq = type3_handle_irq;
3723 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3724 dev->event_types = type3_events;
3725 goto out;
3726 }
3727
3728 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3729 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3730 if (pcidev) {
3731 dev->model = SONYPI_DEVICE_TYPE3;
3732 dev->handle_irq = type3_handle_irq;
3733 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3734 dev->event_types = type3_events;
3735 goto out;
3736 }
3737
3738 /* default */
3739 dev->model = SONYPI_DEVICE_TYPE2;
3740 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3741 dev->event_types = type2_events;
3742
3743out:
3744 pci_dev_put(pcidev);
3745
3746 pr_info("detected Type%d model\n",
3747 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3748 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3749}
3750
3751/* camera tests and poweron/poweroff */
3752#define SONYPI_CAMERA_PICTURE 5
3753#define SONYPI_CAMERA_CONTROL 0x10
3754
3755#define SONYPI_CAMERA_BRIGHTNESS 0
3756#define SONYPI_CAMERA_CONTRAST 1
3757#define SONYPI_CAMERA_HUE 2
3758#define SONYPI_CAMERA_COLOR 3
3759#define SONYPI_CAMERA_SHARPNESS 4
3760
3761#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3762#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3763#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3764#define SONYPI_CAMERA_MUTE_MASK 0x40
3765
3766/* the rest don't need a loop until not 0xff */
3767#define SONYPI_CAMERA_AGC 6
3768#define SONYPI_CAMERA_AGC_MASK 0x30
3769#define SONYPI_CAMERA_SHUTTER_MASK 0x7
3770
3771#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3772#define SONYPI_CAMERA_CONTROL 0x10
3773
3774#define SONYPI_CAMERA_STATUS 7
3775#define SONYPI_CAMERA_STATUS_READY 0x2
3776#define SONYPI_CAMERA_STATUS_POSITION 0x4
3777
3778#define SONYPI_DIRECTION_BACKWARDS 0x4
3779
3780#define SONYPI_CAMERA_REVISION 8
3781#define SONYPI_CAMERA_ROMVERSION 9
3782
3783static int __sony_pic_camera_ready(void)
3784{
3785 u8 v;
3786
3787 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3788 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3789}
3790
3791static int __sony_pic_camera_off(void)
3792{
3793 if (!camera) {
3794 pr_warn("camera control not enabled\n");
3795 return -ENODEV;
3796 }
3797
3798 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3799 SONYPI_CAMERA_MUTE_MASK),
3800 ITERATIONS_SHORT);
3801
3802 if (spic_dev.camera_power) {
3803 sony_pic_call2(0x91, 0);
3804 spic_dev.camera_power = 0;
3805 }
3806 return 0;
3807}
3808
3809static int __sony_pic_camera_on(void)
3810{
3811 int i, j, x;
3812
3813 if (!camera) {
3814 pr_warn("camera control not enabled\n");
3815 return -ENODEV;
3816 }
3817
3818 if (spic_dev.camera_power)
3819 return 0;
3820
3821 for (j = 5; j > 0; j--) {
3822
3823 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3824 msleep(10);
3825 sony_pic_call1(0x93);
3826
3827 for (i = 400; i > 0; i--) {
3828 if (__sony_pic_camera_ready())
3829 break;
3830 msleep(10);
3831 }
3832 if (i)
3833 break;
3834 }
3835
3836 if (j == 0) {
3837 pr_warn("failed to power on camera\n");
3838 return -ENODEV;
3839 }
3840
3841 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3842 0x5a),
3843 ITERATIONS_SHORT);
3844
3845 spic_dev.camera_power = 1;
3846 return 0;
3847}
3848
3849/* External camera command (exported to the motion eye v4l driver) */
3850int sony_pic_camera_command(int command, u8 value)
3851{
3852 if (!camera)
3853 return -EIO;
3854
3855 mutex_lock(&spic_dev.lock);
3856
3857 switch (command) {
3858 case SONY_PIC_COMMAND_SETCAMERA:
3859 if (value)
3860 __sony_pic_camera_on();
3861 else
3862 __sony_pic_camera_off();
3863 break;
3864 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3865 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3866 ITERATIONS_SHORT);
3867 break;
3868 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3869 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3870 ITERATIONS_SHORT);
3871 break;
3872 case SONY_PIC_COMMAND_SETCAMERAHUE:
3873 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3874 ITERATIONS_SHORT);
3875 break;
3876 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3877 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3878 ITERATIONS_SHORT);
3879 break;
3880 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3881 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3882 ITERATIONS_SHORT);
3883 break;
3884 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3885 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3886 ITERATIONS_SHORT);
3887 break;
3888 case SONY_PIC_COMMAND_SETCAMERAAGC:
3889 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3890 ITERATIONS_SHORT);
3891 break;
3892 default:
3893 pr_err("sony_pic_camera_command invalid: %d\n", command);
3894 break;
3895 }
3896 mutex_unlock(&spic_dev.lock);
3897 return 0;
3898}
3899EXPORT_SYMBOL(sony_pic_camera_command);
3900
3901/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3902static void __sony_pic_set_wwanpower(u8 state)
3903{
3904 state = !!state;
3905 if (spic_dev.wwan_power == state)
3906 return;
3907 sony_pic_call2(0xB0, state);
3908 sony_pic_call1(0x82);
3909 spic_dev.wwan_power = state;
3910}
3911
3912static ssize_t sony_pic_wwanpower_store(struct device *dev,
3913 struct device_attribute *attr,
3914 const char *buffer, size_t count)
3915{
3916 unsigned long value;
3917 if (count > 31)
3918 return -EINVAL;
3919
3920 if (kstrtoul(buffer, 10, &value))
3921 return -EINVAL;
3922
3923 mutex_lock(&spic_dev.lock);
3924 __sony_pic_set_wwanpower(value);
3925 mutex_unlock(&spic_dev.lock);
3926
3927 return count;
3928}
3929
3930static ssize_t sony_pic_wwanpower_show(struct device *dev,
3931 struct device_attribute *attr, char *buffer)
3932{
3933 ssize_t count;
3934 mutex_lock(&spic_dev.lock);
3935 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3936 mutex_unlock(&spic_dev.lock);
3937 return count;
3938}
3939
3940/* bluetooth subsystem power state */
3941static void __sony_pic_set_bluetoothpower(u8 state)
3942{
3943 state = !!state;
3944 if (spic_dev.bluetooth_power == state)
3945 return;
3946 sony_pic_call2(0x96, state);
3947 sony_pic_call1(0x82);
3948 spic_dev.bluetooth_power = state;
3949}
3950
3951static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3952 struct device_attribute *attr,
3953 const char *buffer, size_t count)
3954{
3955 unsigned long value;
3956 if (count > 31)
3957 return -EINVAL;
3958
3959 if (kstrtoul(buffer, 10, &value))
3960 return -EINVAL;
3961
3962 mutex_lock(&spic_dev.lock);
3963 __sony_pic_set_bluetoothpower(value);
3964 mutex_unlock(&spic_dev.lock);
3965
3966 return count;
3967}
3968
3969static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3970 struct device_attribute *attr, char *buffer)
3971{
3972 ssize_t count = 0;
3973 mutex_lock(&spic_dev.lock);
3974 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3975 mutex_unlock(&spic_dev.lock);
3976 return count;
3977}
3978
3979/* fan speed */
3980/* FAN0 information (reverse engineered from ACPI tables) */
3981#define SONY_PIC_FAN0_STATUS 0x93
3982static int sony_pic_set_fanspeed(unsigned long value)
3983{
3984 return ec_write(SONY_PIC_FAN0_STATUS, value);
3985}
3986
3987static int sony_pic_get_fanspeed(u8 *value)
3988{
3989 return ec_read(SONY_PIC_FAN0_STATUS, value);
3990}
3991
3992static ssize_t sony_pic_fanspeed_store(struct device *dev,
3993 struct device_attribute *attr,
3994 const char *buffer, size_t count)
3995{
3996 unsigned long value;
3997 if (count > 31)
3998 return -EINVAL;
3999
4000 if (kstrtoul(buffer, 10, &value))
4001 return -EINVAL;
4002
4003 if (sony_pic_set_fanspeed(value))
4004 return -EIO;
4005
4006 return count;
4007}
4008
4009static ssize_t sony_pic_fanspeed_show(struct device *dev,
4010 struct device_attribute *attr, char *buffer)
4011{
4012 u8 value = 0;
4013 if (sony_pic_get_fanspeed(&value))
4014 return -EIO;
4015
4016 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
4017}
4018
4019#define SPIC_ATTR(_name, _mode) \
4020struct device_attribute spic_attr_##_name = __ATTR(_name, \
4021 _mode, sony_pic_## _name ##_show, \
4022 sony_pic_## _name ##_store)
4023
4024static SPIC_ATTR(bluetoothpower, 0644);
4025static SPIC_ATTR(wwanpower, 0644);
4026static SPIC_ATTR(fanspeed, 0644);
4027
4028static struct attribute *spic_attributes[] = {
4029 &spic_attr_bluetoothpower.attr,
4030 &spic_attr_wwanpower.attr,
4031 &spic_attr_fanspeed.attr,
4032 NULL
4033};
4034
4035static struct attribute_group spic_attribute_group = {
4036 .attrs = spic_attributes
4037};
4038
4039/******** SONYPI compatibility **********/
4040#ifdef CONFIG_SONYPI_COMPAT
4041
4042/* battery / brightness / temperature addresses */
4043#define SONYPI_BAT_FLAGS 0x81
4044#define SONYPI_LCD_LIGHT 0x96
4045#define SONYPI_BAT1_PCTRM 0xa0
4046#define SONYPI_BAT1_LEFT 0xa2
4047#define SONYPI_BAT1_MAXRT 0xa4
4048#define SONYPI_BAT2_PCTRM 0xa8
4049#define SONYPI_BAT2_LEFT 0xaa
4050#define SONYPI_BAT2_MAXRT 0xac
4051#define SONYPI_BAT1_MAXTK 0xb0
4052#define SONYPI_BAT1_FULL 0xb2
4053#define SONYPI_BAT2_MAXTK 0xb8
4054#define SONYPI_BAT2_FULL 0xba
4055#define SONYPI_TEMP_STATUS 0xC1
4056
4057struct sonypi_compat_s {
4058 struct fasync_struct *fifo_async;
4059 struct kfifo fifo;
4060 spinlock_t fifo_lock;
4061 wait_queue_head_t fifo_proc_list;
4062 atomic_t open_count;
4063};
4064static struct sonypi_compat_s sonypi_compat = {
4065 .open_count = ATOMIC_INIT(0),
4066};
4067
4068static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4069{
4070 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4071}
4072
4073static int sonypi_misc_release(struct inode *inode, struct file *file)
4074{
4075 atomic_dec(&sonypi_compat.open_count);
4076 return 0;
4077}
4078
4079static int sonypi_misc_open(struct inode *inode, struct file *file)
4080{
4081 /* Flush input queue on first open */
4082 unsigned long flags;
4083
4084 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4085
4086 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4087 kfifo_reset(&sonypi_compat.fifo);
4088
4089 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4090
4091 return 0;
4092}
4093
4094static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4095 size_t count, loff_t *pos)
4096{
4097 ssize_t ret;
4098 unsigned char c;
4099
4100 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4101 (file->f_flags & O_NONBLOCK))
4102 return -EAGAIN;
4103
4104 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4105 kfifo_len(&sonypi_compat.fifo) != 0);
4106 if (ret)
4107 return ret;
4108
4109 while (ret < count &&
4110 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4111 &sonypi_compat.fifo_lock) == sizeof(c))) {
4112 if (put_user(c, buf++))
4113 return -EFAULT;
4114 ret++;
4115 }
4116
4117 if (ret > 0) {
4118 struct inode *inode = file_inode(file);
4119 inode->i_atime = current_time(inode);
4120 }
4121
4122 return ret;
4123}
4124
4125static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
4126{
4127 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4128 if (kfifo_len(&sonypi_compat.fifo))
4129 return POLLIN | POLLRDNORM;
4130 return 0;
4131}
4132
4133static int ec_read16(u8 addr, u16 *value)
4134{
4135 u8 val_lb, val_hb;
4136 if (ec_read(addr, &val_lb))
4137 return -1;
4138 if (ec_read(addr + 1, &val_hb))
4139 return -1;
4140 *value = val_lb | (val_hb << 8);
4141 return 0;
4142}
4143
4144static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4145 unsigned long arg)
4146{
4147 int ret = 0;
4148 void __user *argp = (void __user *)arg;
4149 u8 val8;
4150 u16 val16;
4151 int value;
4152
4153 mutex_lock(&spic_dev.lock);
4154 switch (cmd) {
4155 case SONYPI_IOCGBRT:
4156 if (sony_bl_props.dev == NULL) {
4157 ret = -EIO;
4158 break;
4159 }
4160 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4161 &value)) {
4162 ret = -EIO;
4163 break;
4164 }
4165 val8 = ((value & 0xff) - 1) << 5;
4166 if (copy_to_user(argp, &val8, sizeof(val8)))
4167 ret = -EFAULT;
4168 break;
4169 case SONYPI_IOCSBRT:
4170 if (sony_bl_props.dev == NULL) {
4171 ret = -EIO;
4172 break;
4173 }
4174 if (copy_from_user(&val8, argp, sizeof(val8))) {
4175 ret = -EFAULT;
4176 break;
4177 }
4178 value = (val8 >> 5) + 1;
4179 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4180 NULL)) {
4181 ret = -EIO;
4182 break;
4183 }
4184 /* sync the backlight device status */
4185 sony_bl_props.dev->props.brightness =
4186 sony_backlight_get_brightness(sony_bl_props.dev);
4187 break;
4188 case SONYPI_IOCGBAT1CAP:
4189 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4190 ret = -EIO;
4191 break;
4192 }
4193 if (copy_to_user(argp, &val16, sizeof(val16)))
4194 ret = -EFAULT;
4195 break;
4196 case SONYPI_IOCGBAT1REM:
4197 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4198 ret = -EIO;
4199 break;
4200 }
4201 if (copy_to_user(argp, &val16, sizeof(val16)))
4202 ret = -EFAULT;
4203 break;
4204 case SONYPI_IOCGBAT2CAP:
4205 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4206 ret = -EIO;
4207 break;
4208 }
4209 if (copy_to_user(argp, &val16, sizeof(val16)))
4210 ret = -EFAULT;
4211 break;
4212 case SONYPI_IOCGBAT2REM:
4213 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4214 ret = -EIO;
4215 break;
4216 }
4217 if (copy_to_user(argp, &val16, sizeof(val16)))
4218 ret = -EFAULT;
4219 break;
4220 case SONYPI_IOCGBATFLAGS:
4221 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4222 ret = -EIO;
4223 break;
4224 }
4225 val8 &= 0x07;
4226 if (copy_to_user(argp, &val8, sizeof(val8)))
4227 ret = -EFAULT;
4228 break;
4229 case SONYPI_IOCGBLUE:
4230 val8 = spic_dev.bluetooth_power;
4231 if (copy_to_user(argp, &val8, sizeof(val8)))
4232 ret = -EFAULT;
4233 break;
4234 case SONYPI_IOCSBLUE:
4235 if (copy_from_user(&val8, argp, sizeof(val8))) {
4236 ret = -EFAULT;
4237 break;
4238 }
4239 __sony_pic_set_bluetoothpower(val8);
4240 break;
4241 /* FAN Controls */
4242 case SONYPI_IOCGFAN:
4243 if (sony_pic_get_fanspeed(&val8)) {
4244 ret = -EIO;
4245 break;
4246 }
4247 if (copy_to_user(argp, &val8, sizeof(val8)))
4248 ret = -EFAULT;
4249 break;
4250 case SONYPI_IOCSFAN:
4251 if (copy_from_user(&val8, argp, sizeof(val8))) {
4252 ret = -EFAULT;
4253 break;
4254 }
4255 if (sony_pic_set_fanspeed(val8))
4256 ret = -EIO;
4257 break;
4258 /* GET Temperature (useful under APM) */
4259 case SONYPI_IOCGTEMP:
4260 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4261 ret = -EIO;
4262 break;
4263 }
4264 if (copy_to_user(argp, &val8, sizeof(val8)))
4265 ret = -EFAULT;
4266 break;
4267 default:
4268 ret = -EINVAL;
4269 }
4270 mutex_unlock(&spic_dev.lock);
4271 return ret;
4272}
4273
4274static const struct file_operations sonypi_misc_fops = {
4275 .owner = THIS_MODULE,
4276 .read = sonypi_misc_read,
4277 .poll = sonypi_misc_poll,
4278 .open = sonypi_misc_open,
4279 .release = sonypi_misc_release,
4280 .fasync = sonypi_misc_fasync,
4281 .unlocked_ioctl = sonypi_misc_ioctl,
4282 .llseek = noop_llseek,
4283};
4284
4285static struct miscdevice sonypi_misc_device = {
4286 .minor = MISC_DYNAMIC_MINOR,
4287 .name = "sonypi",
4288 .fops = &sonypi_misc_fops,
4289};
4290
4291static void sonypi_compat_report_event(u8 event)
4292{
4293 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4294 sizeof(event), &sonypi_compat.fifo_lock);
4295 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4296 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4297}
4298
4299static int sonypi_compat_init(void)
4300{
4301 int error;
4302
4303 spin_lock_init(&sonypi_compat.fifo_lock);
4304 error =
4305 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4306 if (error) {
4307 pr_err("kfifo_alloc failed\n");
4308 return error;
4309 }
4310
4311 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4312
4313 if (minor != -1)
4314 sonypi_misc_device.minor = minor;
4315 error = misc_register(&sonypi_misc_device);
4316 if (error) {
4317 pr_err("misc_register failed\n");
4318 goto err_free_kfifo;
4319 }
4320 if (minor == -1)
4321 pr_info("device allocated minor is %d\n",
4322 sonypi_misc_device.minor);
4323
4324 return 0;
4325
4326err_free_kfifo:
4327 kfifo_free(&sonypi_compat.fifo);
4328 return error;
4329}
4330
4331static void sonypi_compat_exit(void)
4332{
4333 misc_deregister(&sonypi_misc_device);
4334 kfifo_free(&sonypi_compat.fifo);
4335}
4336#else
4337static int sonypi_compat_init(void) { return 0; }
4338static void sonypi_compat_exit(void) { }
4339static void sonypi_compat_report_event(u8 event) { }
4340#endif /* CONFIG_SONYPI_COMPAT */
4341
4342/*
4343 * ACPI callbacks
4344 */
4345static acpi_status
4346sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4347{
4348 u32 i;
4349 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4350
4351 switch (resource->type) {
4352 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4353 {
4354 /* start IO enumeration */
4355 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4356 if (!ioport)
4357 return AE_ERROR;
4358
4359 list_add(&ioport->list, &dev->ioports);
4360 return AE_OK;
4361 }
4362
4363 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4364 /* end IO enumeration */
4365 return AE_OK;
4366
4367 case ACPI_RESOURCE_TYPE_IRQ:
4368 {
4369 struct acpi_resource_irq *p = &resource->data.irq;
4370 struct sony_pic_irq *interrupt = NULL;
4371 if (!p || !p->interrupt_count) {
4372 /*
4373 * IRQ descriptors may have no IRQ# bits set,
4374 * particularly those those w/ _STA disabled
4375 */
4376 dprintk("Blank IRQ resource\n");
4377 return AE_OK;
4378 }
4379 for (i = 0; i < p->interrupt_count; i++) {
4380 if (!p->interrupts[i]) {
4381 pr_warn("Invalid IRQ %d\n",
4382 p->interrupts[i]);
4383 continue;
4384 }
4385 interrupt = kzalloc(sizeof(*interrupt),
4386 GFP_KERNEL);
4387 if (!interrupt)
4388 return AE_ERROR;
4389
4390 list_add(&interrupt->list, &dev->interrupts);
4391 interrupt->irq.triggering = p->triggering;
4392 interrupt->irq.polarity = p->polarity;
4393 interrupt->irq.sharable = p->sharable;
4394 interrupt->irq.interrupt_count = 1;
4395 interrupt->irq.interrupts[0] = p->interrupts[i];
4396 }
4397 return AE_OK;
4398 }
4399 case ACPI_RESOURCE_TYPE_IO:
4400 {
4401 struct acpi_resource_io *io = &resource->data.io;
4402 struct sony_pic_ioport *ioport =
4403 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4404 if (!io) {
4405 dprintk("Blank IO resource\n");
4406 return AE_OK;
4407 }
4408
4409 if (!ioport->io1.minimum) {
4410 memcpy(&ioport->io1, io, sizeof(*io));
4411 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4412 ioport->io1.address_length);
4413 }
4414 else if (!ioport->io2.minimum) {
4415 memcpy(&ioport->io2, io, sizeof(*io));
4416 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4417 ioport->io2.address_length);
4418 }
4419 else {
4420 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4421 return AE_ERROR;
4422 }
4423 return AE_OK;
4424 }
4425 default:
4426 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4427 resource->type);
4428
4429 case ACPI_RESOURCE_TYPE_END_TAG:
4430 return AE_OK;
4431 }
4432 return AE_CTRL_TERMINATE;
4433}
4434
4435static int sony_pic_possible_resources(struct acpi_device *device)
4436{
4437 int result = 0;
4438 acpi_status status = AE_OK;
4439
4440 if (!device)
4441 return -EINVAL;
4442
4443 /* get device status */
4444 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4445 dprintk("Evaluating _STA\n");
4446 result = acpi_bus_get_status(device);
4447 if (result) {
4448 pr_warn("Unable to read status\n");
4449 goto end;
4450 }
4451
4452 if (!device->status.enabled)
4453 dprintk("Device disabled\n");
4454 else
4455 dprintk("Device enabled\n");
4456
4457 /*
4458 * Query and parse 'method'
4459 */
4460 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4461 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4462 sony_pic_read_possible_resource, &spic_dev);
4463 if (ACPI_FAILURE(status)) {
4464 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4465 result = -ENODEV;
4466 }
4467end:
4468 return result;
4469}
4470
4471/*
4472 * Disable the spic device by calling its _DIS method
4473 */
4474static int sony_pic_disable(struct acpi_device *device)
4475{
4476 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4477 NULL);
4478
4479 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4480 return -ENXIO;
4481
4482 dprintk("Device disabled\n");
4483 return 0;
4484}
4485
4486
4487/*
4488 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4489 *
4490 * Call _SRS to set current resources
4491 */
4492static int sony_pic_enable(struct acpi_device *device,
4493 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4494{
4495 acpi_status status;
4496 int result = 0;
4497 /* Type 1 resource layout is:
4498 * IO
4499 * IO
4500 * IRQNoFlags
4501 * End
4502 *
4503 * Type 2 and 3 resource layout is:
4504 * IO
4505 * IRQNoFlags
4506 * End
4507 */
4508 struct {
4509 struct acpi_resource res1;
4510 struct acpi_resource res2;
4511 struct acpi_resource res3;
4512 struct acpi_resource res4;
4513 } *resource;
4514 struct acpi_buffer buffer = { 0, NULL };
4515
4516 if (!ioport || !irq)
4517 return -EINVAL;
4518
4519 /* init acpi_buffer */
4520 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4521 if (!resource)
4522 return -ENOMEM;
4523
4524 buffer.length = sizeof(*resource) + 1;
4525 buffer.pointer = resource;
4526
4527 /* setup Type 1 resources */
4528 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4529
4530 /* setup io resources */
4531 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4532 resource->res1.length = sizeof(struct acpi_resource);
4533 memcpy(&resource->res1.data.io, &ioport->io1,
4534 sizeof(struct acpi_resource_io));
4535
4536 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4537 resource->res2.length = sizeof(struct acpi_resource);
4538 memcpy(&resource->res2.data.io, &ioport->io2,
4539 sizeof(struct acpi_resource_io));
4540
4541 /* setup irq resource */
4542 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4543 resource->res3.length = sizeof(struct acpi_resource);
4544 memcpy(&resource->res3.data.irq, &irq->irq,
4545 sizeof(struct acpi_resource_irq));
4546 /* we requested a shared irq */
4547 resource->res3.data.irq.sharable = ACPI_SHARED;
4548
4549 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4550 resource->res4.length = sizeof(struct acpi_resource);
4551 }
4552 /* setup Type 2/3 resources */
4553 else {
4554 /* setup io resource */
4555 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4556 resource->res1.length = sizeof(struct acpi_resource);
4557 memcpy(&resource->res1.data.io, &ioport->io1,
4558 sizeof(struct acpi_resource_io));
4559
4560 /* setup irq resource */
4561 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4562 resource->res2.length = sizeof(struct acpi_resource);
4563 memcpy(&resource->res2.data.irq, &irq->irq,
4564 sizeof(struct acpi_resource_irq));
4565 /* we requested a shared irq */
4566 resource->res2.data.irq.sharable = ACPI_SHARED;
4567
4568 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4569 resource->res3.length = sizeof(struct acpi_resource);
4570 }
4571
4572 /* Attempt to set the resource */
4573 dprintk("Evaluating _SRS\n");
4574 status = acpi_set_current_resources(device->handle, &buffer);
4575
4576 /* check for total failure */
4577 if (ACPI_FAILURE(status)) {
4578 pr_err("Error evaluating _SRS\n");
4579 result = -ENODEV;
4580 goto end;
4581 }
4582
4583 /* Necessary device initializations calls (from sonypi) */
4584 sony_pic_call1(0x82);
4585 sony_pic_call2(0x81, 0xff);
4586 sony_pic_call1(compat ? 0x92 : 0x82);
4587
4588end:
4589 kfree(resource);
4590 return result;
4591}
4592
4593/*****************
4594 *
4595 * ISR: some event is available
4596 *
4597 *****************/
4598static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4599{
4600 int i, j;
4601 u8 ev = 0;
4602 u8 data_mask = 0;
4603 u8 device_event = 0;
4604
4605 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4606
4607 ev = inb_p(dev->cur_ioport->io1.minimum);
4608 if (dev->cur_ioport->io2.minimum)
4609 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4610 else
4611 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4612 dev->evport_offset);
4613
4614 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4615 ev, data_mask, dev->cur_ioport->io1.minimum,
4616 dev->evport_offset);
4617
4618 if (ev == 0x00 || ev == 0xff)
4619 return IRQ_HANDLED;
4620
4621 for (i = 0; dev->event_types[i].mask; i++) {
4622
4623 if ((data_mask & dev->event_types[i].data) !=
4624 dev->event_types[i].data)
4625 continue;
4626
4627 if (!(mask & dev->event_types[i].mask))
4628 continue;
4629
4630 for (j = 0; dev->event_types[i].events[j].event; j++) {
4631 if (ev == dev->event_types[i].events[j].data) {
4632 device_event =
4633 dev->event_types[i].events[j].event;
4634 /* some events may require ignoring */
4635 if (!device_event)
4636 return IRQ_HANDLED;
4637 goto found;
4638 }
4639 }
4640 }
4641 /* Still not able to decode the event try to pass
4642 * it over to the minidriver
4643 */
4644 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4645 return IRQ_HANDLED;
4646
4647 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4648 ev, data_mask, dev->cur_ioport->io1.minimum,
4649 dev->evport_offset);
4650 return IRQ_HANDLED;
4651
4652found:
4653 sony_laptop_report_input_event(device_event);
4654 sonypi_compat_report_event(device_event);
4655 return IRQ_HANDLED;
4656}
4657
4658/*****************
4659 *
4660 * ACPI driver
4661 *
4662 *****************/
4663static int sony_pic_remove(struct acpi_device *device)
4664{
4665 struct sony_pic_ioport *io, *tmp_io;
4666 struct sony_pic_irq *irq, *tmp_irq;
4667
4668 if (sony_pic_disable(device)) {
4669 pr_err("Couldn't disable device\n");
4670 return -ENXIO;
4671 }
4672
4673 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4674 release_region(spic_dev.cur_ioport->io1.minimum,
4675 spic_dev.cur_ioport->io1.address_length);
4676 if (spic_dev.cur_ioport->io2.minimum)
4677 release_region(spic_dev.cur_ioport->io2.minimum,
4678 spic_dev.cur_ioport->io2.address_length);
4679
4680 sonypi_compat_exit();
4681
4682 sony_laptop_remove_input();
4683
4684 /* pf attrs */
4685 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4686 sony_pf_remove();
4687
4688 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4689 list_del(&io->list);
4690 kfree(io);
4691 }
4692 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4693 list_del(&irq->list);
4694 kfree(irq);
4695 }
4696 spic_dev.cur_ioport = NULL;
4697 spic_dev.cur_irq = NULL;
4698
4699 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4700 return 0;
4701}
4702
4703static int sony_pic_add(struct acpi_device *device)
4704{
4705 int result;
4706 struct sony_pic_ioport *io, *tmp_io;
4707 struct sony_pic_irq *irq, *tmp_irq;
4708
4709 spic_dev.acpi_dev = device;
4710 strcpy(acpi_device_class(device), "sony/hotkey");
4711 sony_pic_detect_device_type(&spic_dev);
4712 mutex_init(&spic_dev.lock);
4713
4714 /* read _PRS resources */
4715 result = sony_pic_possible_resources(device);
4716 if (result) {
4717 pr_err("Unable to read possible resources\n");
4718 goto err_free_resources;
4719 }
4720
4721 /* setup input devices and helper fifo */
4722 result = sony_laptop_setup_input(device);
4723 if (result) {
4724 pr_err("Unable to create input devices\n");
4725 goto err_free_resources;
4726 }
4727
4728 result = sonypi_compat_init();
4729 if (result)
4730 goto err_remove_input;
4731
4732 /* request io port */
4733 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4734 if (request_region(io->io1.minimum, io->io1.address_length,
4735 "Sony Programmable I/O Device")) {
4736 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4737 io->io1.minimum, io->io1.maximum,
4738 io->io1.address_length);
4739 /* Type 1 have 2 ioports */
4740 if (io->io2.minimum) {
4741 if (request_region(io->io2.minimum,
4742 io->io2.address_length,
4743 "Sony Programmable I/O Device")) {
4744 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4745 io->io2.minimum, io->io2.maximum,
4746 io->io2.address_length);
4747 spic_dev.cur_ioport = io;
4748 break;
4749 }
4750 else {
4751 dprintk("Unable to get I/O port2: "
4752 "0x%.4x (0x%.4x) + 0x%.2x\n",
4753 io->io2.minimum, io->io2.maximum,
4754 io->io2.address_length);
4755 release_region(io->io1.minimum,
4756 io->io1.address_length);
4757 }
4758 }
4759 else {
4760 spic_dev.cur_ioport = io;
4761 break;
4762 }
4763 }
4764 }
4765 if (!spic_dev.cur_ioport) {
4766 pr_err("Failed to request_region\n");
4767 result = -ENODEV;
4768 goto err_remove_compat;
4769 }
4770
4771 /* request IRQ */
4772 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4773 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4774 0, "sony-laptop", &spic_dev)) {
4775 dprintk("IRQ: %d - triggering: %d - "
4776 "polarity: %d - shr: %d\n",
4777 irq->irq.interrupts[0],
4778 irq->irq.triggering,
4779 irq->irq.polarity,
4780 irq->irq.sharable);
4781 spic_dev.cur_irq = irq;
4782 break;
4783 }
4784 }
4785 if (!spic_dev.cur_irq) {
4786 pr_err("Failed to request_irq\n");
4787 result = -ENODEV;
4788 goto err_release_region;
4789 }
4790
4791 /* set resource status _SRS */
4792 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4793 if (result) {
4794 pr_err("Couldn't enable device\n");
4795 goto err_free_irq;
4796 }
4797
4798 spic_dev.bluetooth_power = -1;
4799 /* create device attributes */
4800 result = sony_pf_add();
4801 if (result)
4802 goto err_disable_device;
4803
4804 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4805 if (result)
4806 goto err_remove_pf;
4807
4808 pr_info("SPIC setup done.\n");
4809 return 0;
4810
4811err_remove_pf:
4812 sony_pf_remove();
4813
4814err_disable_device:
4815 sony_pic_disable(device);
4816
4817err_free_irq:
4818 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4819
4820err_release_region:
4821 release_region(spic_dev.cur_ioport->io1.minimum,
4822 spic_dev.cur_ioport->io1.address_length);
4823 if (spic_dev.cur_ioport->io2.minimum)
4824 release_region(spic_dev.cur_ioport->io2.minimum,
4825 spic_dev.cur_ioport->io2.address_length);
4826
4827err_remove_compat:
4828 sonypi_compat_exit();
4829
4830err_remove_input:
4831 sony_laptop_remove_input();
4832
4833err_free_resources:
4834 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4835 list_del(&io->list);
4836 kfree(io);
4837 }
4838 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4839 list_del(&irq->list);
4840 kfree(irq);
4841 }
4842 spic_dev.cur_ioport = NULL;
4843 spic_dev.cur_irq = NULL;
4844
4845 return result;
4846}
4847
4848#ifdef CONFIG_PM_SLEEP
4849static int sony_pic_suspend(struct device *dev)
4850{
4851 if (sony_pic_disable(to_acpi_device(dev)))
4852 return -ENXIO;
4853 return 0;
4854}
4855
4856static int sony_pic_resume(struct device *dev)
4857{
4858 sony_pic_enable(to_acpi_device(dev),
4859 spic_dev.cur_ioport, spic_dev.cur_irq);
4860 return 0;
4861}
4862#endif
4863
4864static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4865
4866static const struct acpi_device_id sony_pic_device_ids[] = {
4867 {SONY_PIC_HID, 0},
4868 {"", 0},
4869};
4870
4871static struct acpi_driver sony_pic_driver = {
4872 .name = SONY_PIC_DRIVER_NAME,
4873 .class = SONY_PIC_CLASS,
4874 .ids = sony_pic_device_ids,
4875 .owner = THIS_MODULE,
4876 .ops = {
4877 .add = sony_pic_add,
4878 .remove = sony_pic_remove,
4879 },
4880 .drv.pm = &sony_pic_pm,
4881};
4882
4883static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4884 {
4885 .ident = "Sony Vaio",
4886 .matches = {
4887 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4888 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4889 },
4890 },
4891 {
4892 .ident = "Sony Vaio",
4893 .matches = {
4894 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4895 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4896 },
4897 },
4898 { }
4899};
4900
4901static int __init sony_laptop_init(void)
4902{
4903 int result;
4904
4905 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4906 result = acpi_bus_register_driver(&sony_pic_driver);
4907 if (result) {
4908 pr_err("Unable to register SPIC driver\n");
4909 goto out;
4910 }
4911 spic_drv_registered = 1;
4912 }
4913
4914 result = acpi_bus_register_driver(&sony_nc_driver);
4915 if (result) {
4916 pr_err("Unable to register SNC driver\n");
4917 goto out_unregister_pic;
4918 }
4919
4920 return 0;
4921
4922out_unregister_pic:
4923 if (spic_drv_registered)
4924 acpi_bus_unregister_driver(&sony_pic_driver);
4925out:
4926 return result;
4927}
4928
4929static void __exit sony_laptop_exit(void)
4930{
4931 acpi_bus_unregister_driver(&sony_nc_driver);
4932 if (spic_drv_registered)
4933 acpi_bus_unregister_driver(&sony_pic_driver);
4934}
4935
4936module_init(sony_laptop_init);
4937module_exit(sony_laptop_exit);