Loading...
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 <asm/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 /* get enabled events and disable them */
1450 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1451 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1452
1453 /* cleanup handles here */
1454 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1455
1456 handle = handles->cap[i];
1457
1458 if (!handle)
1459 continue;
1460
1461 switch (handle) {
1462 case 0x0105:
1463 case 0x0148:
1464 sony_nc_touchpad_cleanup(pd);
1465 break;
1466 case 0x0115:
1467 case 0x0136:
1468 case 0x013f:
1469 sony_nc_battery_care_cleanup(pd);
1470 break;
1471 case 0x0119:
1472 case 0x015D:
1473 sony_nc_lid_resume_cleanup(pd);
1474 break;
1475 case 0x0122:
1476 sony_nc_thermal_cleanup(pd);
1477 break;
1478 case 0x0128:
1479 case 0x0146:
1480 case 0x015B:
1481 sony_nc_gfx_switch_cleanup(pd);
1482 break;
1483 case 0x0131:
1484 sony_nc_highspeed_charging_cleanup(pd);
1485 break;
1486 case 0x0124:
1487 case 0x0135:
1488 sony_nc_rfkill_cleanup();
1489 break;
1490 case 0x0137:
1491 case 0x0143:
1492 case 0x014b:
1493 case 0x014c:
1494 case 0x0153:
1495 case 0x0163:
1496 sony_nc_kbd_backlight_cleanup(pd, handle);
1497 break;
1498 case 0x0121:
1499 sony_nc_lowbatt_cleanup(pd);
1500 break;
1501 case 0x0149:
1502 sony_nc_fanspeed_cleanup(pd);
1503 break;
1504 case 0x0155:
1505 sony_nc_usb_charge_cleanup(pd);
1506 break;
1507 case 0x011D:
1508 sony_nc_panelid_cleanup(pd);
1509 break;
1510 case 0x0168:
1511 sony_nc_smart_conn_cleanup(pd);
1512 break;
1513 default:
1514 continue;
1515 }
1516 }
1517
1518 /* finally cleanup the handles list */
1519 sony_nc_handles_cleanup(pd);
1520}
1521
1522#ifdef CONFIG_PM_SLEEP
1523static void sony_nc_function_resume(void)
1524{
1525 unsigned int i, result, bitmask, arg;
1526
1527 dprintk("Resuming SNC device\n");
1528
1529 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1530 unsigned int handle = handles->cap[i];
1531
1532 if (!handle)
1533 continue;
1534
1535 switch (handle) {
1536 case 0x0100:
1537 case 0x0101:
1538 case 0x0127:
1539 /* re-enable hotkeys */
1540 sony_call_snc_handle(handle, 0, &result);
1541 break;
1542 case 0x0102:
1543 /* re-enable hotkeys */
1544 sony_call_snc_handle(handle, 0x100, &result);
1545 break;
1546 case 0x0122:
1547 sony_nc_thermal_resume();
1548 break;
1549 case 0x0124:
1550 case 0x0135:
1551 sony_nc_rfkill_update();
1552 break;
1553 default:
1554 continue;
1555 }
1556 }
1557
1558 /* Enable all events */
1559 arg = 0x10;
1560 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1561 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1562 &result);
1563}
1564
1565static int sony_nc_resume(struct device *dev)
1566{
1567 struct sony_nc_value *item;
1568
1569 for (item = sony_nc_values; item->name; item++) {
1570 int ret;
1571
1572 if (!item->valid)
1573 continue;
1574 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1575 &item->value, NULL);
1576 if (ret < 0) {
1577 pr_err("%s: %d\n", __func__, ret);
1578 break;
1579 }
1580 }
1581
1582 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1583 int arg = 1;
1584 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1585 dprintk("ECON Method failed\n");
1586 }
1587
1588 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1589 sony_nc_function_resume();
1590
1591 return 0;
1592}
1593#endif
1594
1595static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1596
1597static void sony_nc_rfkill_cleanup(void)
1598{
1599 int i;
1600
1601 for (i = 0; i < N_SONY_RFKILL; i++) {
1602 if (sony_rfkill_devices[i]) {
1603 rfkill_unregister(sony_rfkill_devices[i]);
1604 rfkill_destroy(sony_rfkill_devices[i]);
1605 }
1606 }
1607}
1608
1609static int sony_nc_rfkill_set(void *data, bool blocked)
1610{
1611 int result;
1612 int argument = sony_rfkill_address[(long) data] + 0x100;
1613
1614 if (!blocked)
1615 argument |= 0x070000;
1616
1617 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1618}
1619
1620static const struct rfkill_ops sony_rfkill_ops = {
1621 .set_block = sony_nc_rfkill_set,
1622};
1623
1624static int sony_nc_setup_rfkill(struct acpi_device *device,
1625 enum sony_nc_rfkill nc_type)
1626{
1627 int err = 0;
1628 struct rfkill *rfk;
1629 enum rfkill_type type;
1630 const char *name;
1631 int result;
1632 bool hwblock, swblock;
1633
1634 switch (nc_type) {
1635 case SONY_WIFI:
1636 type = RFKILL_TYPE_WLAN;
1637 name = "sony-wifi";
1638 break;
1639 case SONY_BLUETOOTH:
1640 type = RFKILL_TYPE_BLUETOOTH;
1641 name = "sony-bluetooth";
1642 break;
1643 case SONY_WWAN:
1644 type = RFKILL_TYPE_WWAN;
1645 name = "sony-wwan";
1646 break;
1647 case SONY_WIMAX:
1648 type = RFKILL_TYPE_WIMAX;
1649 name = "sony-wimax";
1650 break;
1651 default:
1652 return -EINVAL;
1653 }
1654
1655 rfk = rfkill_alloc(name, &device->dev, type,
1656 &sony_rfkill_ops, (void *)nc_type);
1657 if (!rfk)
1658 return -ENOMEM;
1659
1660 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1661 rfkill_destroy(rfk);
1662 return -1;
1663 }
1664 hwblock = !(result & 0x1);
1665
1666 if (sony_call_snc_handle(sony_rfkill_handle,
1667 sony_rfkill_address[nc_type],
1668 &result) < 0) {
1669 rfkill_destroy(rfk);
1670 return -1;
1671 }
1672 swblock = !(result & 0x2);
1673
1674 rfkill_init_sw_state(rfk, swblock);
1675 rfkill_set_hw_state(rfk, hwblock);
1676
1677 err = rfkill_register(rfk);
1678 if (err) {
1679 rfkill_destroy(rfk);
1680 return err;
1681 }
1682 sony_rfkill_devices[nc_type] = rfk;
1683 return err;
1684}
1685
1686static void sony_nc_rfkill_update(void)
1687{
1688 enum sony_nc_rfkill i;
1689 int result;
1690 bool hwblock;
1691
1692 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1693 hwblock = !(result & 0x1);
1694
1695 for (i = 0; i < N_SONY_RFKILL; i++) {
1696 int argument = sony_rfkill_address[i];
1697
1698 if (!sony_rfkill_devices[i])
1699 continue;
1700
1701 if (hwblock) {
1702 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1703 /* we already know we're blocked */
1704 }
1705 continue;
1706 }
1707
1708 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1709 rfkill_set_states(sony_rfkill_devices[i],
1710 !(result & 0x2), false);
1711 }
1712}
1713
1714static int sony_nc_rfkill_setup(struct acpi_device *device,
1715 unsigned int handle)
1716{
1717 u64 offset;
1718 int i;
1719 unsigned char buffer[32] = { 0 };
1720
1721 offset = sony_find_snc_handle(handle);
1722 sony_rfkill_handle = handle;
1723
1724 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1725 32);
1726 if (i < 0)
1727 return i;
1728
1729 /* The buffer is filled with magic numbers describing the devices
1730 * available, 0xff terminates the enumeration.
1731 * Known codes:
1732 * 0x00 WLAN
1733 * 0x10 BLUETOOTH
1734 * 0x20 WWAN GPRS-EDGE
1735 * 0x21 WWAN HSDPA
1736 * 0x22 WWAN EV-DO
1737 * 0x23 WWAN GPS
1738 * 0x25 Gobi WWAN no GPS
1739 * 0x26 Gobi WWAN + GPS
1740 * 0x28 Gobi WWAN no GPS
1741 * 0x29 Gobi WWAN + GPS
1742 * 0x30 WIMAX
1743 * 0x50 Gobi WWAN no GPS
1744 * 0x51 Gobi WWAN + GPS
1745 * 0x70 no SIM card slot
1746 * 0x71 SIM card slot
1747 */
1748 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1749
1750 if (buffer[i] == 0xff)
1751 break;
1752
1753 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1754
1755 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1756 sony_nc_setup_rfkill(device, SONY_WIFI);
1757
1758 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1759 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1760
1761 if (((0xf0 & buffer[i]) == 0x20 ||
1762 (0xf0 & buffer[i]) == 0x50) &&
1763 !sony_rfkill_devices[SONY_WWAN])
1764 sony_nc_setup_rfkill(device, SONY_WWAN);
1765
1766 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1767 sony_nc_setup_rfkill(device, SONY_WIMAX);
1768 }
1769 return 0;
1770}
1771
1772/* Keyboard backlight feature */
1773struct kbd_backlight {
1774 unsigned int handle;
1775 unsigned int base;
1776 unsigned int mode;
1777 unsigned int timeout;
1778 unsigned int has_timeout;
1779 struct device_attribute mode_attr;
1780 struct device_attribute timeout_attr;
1781};
1782
1783static struct kbd_backlight *kbdbl_ctl;
1784
1785static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1786{
1787 int result;
1788
1789 if (value > 2)
1790 return -EINVAL;
1791
1792 if (sony_call_snc_handle(kbdbl_ctl->handle,
1793 (value << 0x10) | (kbdbl_ctl->base), &result))
1794 return -EIO;
1795
1796 /* Try to turn the light on/off immediately */
1797 if (value != 1)
1798 sony_call_snc_handle(kbdbl_ctl->handle,
1799 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1800 &result);
1801
1802 kbdbl_ctl->mode = value;
1803
1804 return 0;
1805}
1806
1807static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1808 struct device_attribute *attr,
1809 const char *buffer, size_t count)
1810{
1811 int ret = 0;
1812 unsigned long value;
1813
1814 if (count > 31)
1815 return -EINVAL;
1816
1817 if (kstrtoul(buffer, 10, &value))
1818 return -EINVAL;
1819
1820 ret = __sony_nc_kbd_backlight_mode_set(value);
1821 if (ret < 0)
1822 return ret;
1823
1824 return count;
1825}
1826
1827static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1828 struct device_attribute *attr, char *buffer)
1829{
1830 ssize_t count = 0;
1831 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1832 return count;
1833}
1834
1835static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1836{
1837 int result;
1838
1839 if (value > 3)
1840 return -EINVAL;
1841
1842 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1843 (kbdbl_ctl->base + 0x200), &result))
1844 return -EIO;
1845
1846 kbdbl_ctl->timeout = value;
1847
1848 return 0;
1849}
1850
1851static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1852 struct device_attribute *attr,
1853 const char *buffer, size_t count)
1854{
1855 int ret = 0;
1856 unsigned long value;
1857
1858 if (count > 31)
1859 return -EINVAL;
1860
1861 if (kstrtoul(buffer, 10, &value))
1862 return -EINVAL;
1863
1864 ret = __sony_nc_kbd_backlight_timeout_set(value);
1865 if (ret < 0)
1866 return ret;
1867
1868 return count;
1869}
1870
1871static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1872 struct device_attribute *attr, char *buffer)
1873{
1874 ssize_t count = 0;
1875 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1876 return count;
1877}
1878
1879static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1880 unsigned int handle)
1881{
1882 int result;
1883 int probe_base = 0;
1884 int ctl_base = 0;
1885 int ret = 0;
1886
1887 if (kbdbl_ctl) {
1888 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1889 handle, kbdbl_ctl->handle);
1890 return -EBUSY;
1891 }
1892
1893 /* verify the kbd backlight presence, some of these handles are not used
1894 * for keyboard backlight only
1895 */
1896 switch (handle) {
1897 case 0x0153:
1898 probe_base = 0x0;
1899 ctl_base = 0x0;
1900 break;
1901 case 0x0137:
1902 probe_base = 0x0B00;
1903 ctl_base = 0x0C00;
1904 break;
1905 default:
1906 probe_base = 0x0100;
1907 ctl_base = 0x4000;
1908 break;
1909 }
1910
1911 ret = sony_call_snc_handle(handle, probe_base, &result);
1912 if (ret)
1913 return ret;
1914
1915 if ((handle == 0x0137 && !(result & 0x02)) ||
1916 !(result & 0x01)) {
1917 dprintk("no backlight keyboard found\n");
1918 return 0;
1919 }
1920
1921 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1922 if (!kbdbl_ctl)
1923 return -ENOMEM;
1924
1925 kbdbl_ctl->mode = kbd_backlight;
1926 kbdbl_ctl->timeout = kbd_backlight_timeout;
1927 kbdbl_ctl->handle = handle;
1928 kbdbl_ctl->base = ctl_base;
1929 /* Some models do not allow timeout control */
1930 kbdbl_ctl->has_timeout = handle != 0x0153;
1931
1932 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1933 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1934 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1935 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1936 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1937
1938 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1939 if (ret)
1940 goto outkzalloc;
1941
1942 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1943
1944 if (kbdbl_ctl->has_timeout) {
1945 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1946 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1947 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1948 kbdbl_ctl->timeout_attr.show =
1949 sony_nc_kbd_backlight_timeout_show;
1950 kbdbl_ctl->timeout_attr.store =
1951 sony_nc_kbd_backlight_timeout_store;
1952
1953 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1954 if (ret)
1955 goto outmode;
1956
1957 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1958 }
1959
1960
1961 return 0;
1962
1963outmode:
1964 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1965outkzalloc:
1966 kfree(kbdbl_ctl);
1967 kbdbl_ctl = NULL;
1968 return ret;
1969}
1970
1971static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1972 unsigned int handle)
1973{
1974 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1975 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1976 if (kbdbl_ctl->has_timeout)
1977 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1978 kfree(kbdbl_ctl);
1979 kbdbl_ctl = NULL;
1980 }
1981}
1982
1983struct battery_care_control {
1984 struct device_attribute attrs[2];
1985 unsigned int handle;
1986};
1987static struct battery_care_control *bcare_ctl;
1988
1989static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1990 struct device_attribute *attr,
1991 const char *buffer, size_t count)
1992{
1993 unsigned int result, cmd;
1994 unsigned long value;
1995
1996 if (count > 31)
1997 return -EINVAL;
1998
1999 if (kstrtoul(buffer, 10, &value))
2000 return -EINVAL;
2001
2002 /* limit values (2 bits):
2003 * 00 - none
2004 * 01 - 80%
2005 * 10 - 50%
2006 * 11 - 100%
2007 *
2008 * bit 0: 0 disable BCL, 1 enable BCL
2009 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
2010 * bits 2,3: reserved
2011 * bits 4,5: store the limit into the EC
2012 * bits 6,7: store the limit into the battery
2013 */
2014 cmd = 0;
2015
2016 if (value > 0) {
2017 if (value <= 50)
2018 cmd = 0x20;
2019
2020 else if (value <= 80)
2021 cmd = 0x10;
2022
2023 else if (value <= 100)
2024 cmd = 0x30;
2025
2026 else
2027 return -EINVAL;
2028
2029 /*
2030 * handle 0x0115 should allow storing on battery too;
2031 * handle 0x0136 same as 0x0115 + health status;
2032 * handle 0x013f, same as 0x0136 but no storing on the battery
2033 */
2034 if (bcare_ctl->handle != 0x013f)
2035 cmd = cmd | (cmd << 2);
2036
2037 cmd = (cmd | 0x1) << 0x10;
2038 }
2039
2040 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2041 return -EIO;
2042
2043 return count;
2044}
2045
2046static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2047 struct device_attribute *attr, char *buffer)
2048{
2049 unsigned int result, status;
2050
2051 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2052 return -EIO;
2053
2054 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2055 switch (status) {
2056 case 1:
2057 status = 80;
2058 break;
2059 case 2:
2060 status = 50;
2061 break;
2062 case 3:
2063 status = 100;
2064 break;
2065 default:
2066 status = 0;
2067 break;
2068 }
2069
2070 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2071}
2072
2073static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2074 struct device_attribute *attr, char *buffer)
2075{
2076 ssize_t count = 0;
2077 unsigned int health;
2078
2079 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2080 return -EIO;
2081
2082 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2083
2084 return count;
2085}
2086
2087static int sony_nc_battery_care_setup(struct platform_device *pd,
2088 unsigned int handle)
2089{
2090 int ret = 0;
2091
2092 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2093 if (!bcare_ctl)
2094 return -ENOMEM;
2095
2096 bcare_ctl->handle = handle;
2097
2098 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2099 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2100 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2101 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2102 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2103
2104 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2105 if (ret)
2106 goto outkzalloc;
2107
2108 /* 0x0115 is for models with no health reporting capability */
2109 if (handle == 0x0115)
2110 return 0;
2111
2112 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2113 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2114 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2115 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2116
2117 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2118 if (ret)
2119 goto outlimiter;
2120
2121 return 0;
2122
2123outlimiter:
2124 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2125
2126outkzalloc:
2127 kfree(bcare_ctl);
2128 bcare_ctl = NULL;
2129
2130 return ret;
2131}
2132
2133static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2134{
2135 if (bcare_ctl) {
2136 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2137 if (bcare_ctl->handle != 0x0115)
2138 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2139
2140 kfree(bcare_ctl);
2141 bcare_ctl = NULL;
2142 }
2143}
2144
2145struct snc_thermal_ctrl {
2146 unsigned int mode;
2147 unsigned int profiles;
2148 struct device_attribute mode_attr;
2149 struct device_attribute profiles_attr;
2150};
2151static struct snc_thermal_ctrl *th_handle;
2152
2153#define THM_PROFILE_MAX 3
2154static const char * const snc_thermal_profiles[] = {
2155 "balanced",
2156 "silent",
2157 "performance"
2158};
2159
2160static int sony_nc_thermal_mode_set(unsigned short mode)
2161{
2162 unsigned int result;
2163
2164 /* the thermal profile seems to be a two bit bitmask:
2165 * lsb -> silent
2166 * msb -> performance
2167 * no bit set is the normal operation and is always valid
2168 * Some vaio models only have "balanced" and "performance"
2169 */
2170 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2171 return -EINVAL;
2172
2173 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2174 return -EIO;
2175
2176 th_handle->mode = mode;
2177
2178 return 0;
2179}
2180
2181static int sony_nc_thermal_mode_get(void)
2182{
2183 unsigned int result;
2184
2185 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2186 return -EIO;
2187
2188 return result & 0xff;
2189}
2190
2191static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2192 struct device_attribute *attr, char *buffer)
2193{
2194 short cnt;
2195 size_t idx = 0;
2196
2197 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2198 if (!cnt || (th_handle->profiles & cnt))
2199 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2200 snc_thermal_profiles[cnt]);
2201 }
2202 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2203
2204 return idx;
2205}
2206
2207static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2208 struct device_attribute *attr,
2209 const char *buffer, size_t count)
2210{
2211 unsigned short cmd;
2212 size_t len = count;
2213
2214 if (count == 0)
2215 return -EINVAL;
2216
2217 /* skip the newline if present */
2218 if (buffer[len - 1] == '\n')
2219 len--;
2220
2221 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2222 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2223 break;
2224
2225 if (sony_nc_thermal_mode_set(cmd))
2226 return -EIO;
2227
2228 return count;
2229}
2230
2231static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2232 struct device_attribute *attr, char *buffer)
2233{
2234 ssize_t count = 0;
2235 int mode = sony_nc_thermal_mode_get();
2236
2237 if (mode < 0)
2238 return mode;
2239
2240 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2241
2242 return count;
2243}
2244
2245static int sony_nc_thermal_setup(struct platform_device *pd)
2246{
2247 int ret = 0;
2248 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2249 if (!th_handle)
2250 return -ENOMEM;
2251
2252 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2253 if (ret) {
2254 pr_warn("couldn't to read the thermal profiles\n");
2255 goto outkzalloc;
2256 }
2257
2258 ret = sony_nc_thermal_mode_get();
2259 if (ret < 0) {
2260 pr_warn("couldn't to read the current thermal profile");
2261 goto outkzalloc;
2262 }
2263 th_handle->mode = ret;
2264
2265 sysfs_attr_init(&th_handle->profiles_attr.attr);
2266 th_handle->profiles_attr.attr.name = "thermal_profiles";
2267 th_handle->profiles_attr.attr.mode = S_IRUGO;
2268 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2269
2270 sysfs_attr_init(&th_handle->mode_attr.attr);
2271 th_handle->mode_attr.attr.name = "thermal_control";
2272 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2273 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2274 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2275
2276 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2277 if (ret)
2278 goto outkzalloc;
2279
2280 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2281 if (ret)
2282 goto outprofiles;
2283
2284 return 0;
2285
2286outprofiles:
2287 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2288outkzalloc:
2289 kfree(th_handle);
2290 th_handle = NULL;
2291 return ret;
2292}
2293
2294static void sony_nc_thermal_cleanup(struct platform_device *pd)
2295{
2296 if (th_handle) {
2297 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2298 device_remove_file(&pd->dev, &th_handle->mode_attr);
2299 kfree(th_handle);
2300 th_handle = NULL;
2301 }
2302}
2303
2304#ifdef CONFIG_PM_SLEEP
2305static void sony_nc_thermal_resume(void)
2306{
2307 unsigned int status = sony_nc_thermal_mode_get();
2308
2309 if (status != th_handle->mode)
2310 sony_nc_thermal_mode_set(th_handle->mode);
2311}
2312#endif
2313
2314/* resume on LID open */
2315#define LID_RESUME_S5 0
2316#define LID_RESUME_S4 1
2317#define LID_RESUME_S3 2
2318#define LID_RESUME_MAX 3
2319struct snc_lid_resume_control {
2320 struct device_attribute attrs[LID_RESUME_MAX];
2321 unsigned int status;
2322 int handle;
2323};
2324static struct snc_lid_resume_control *lid_ctl;
2325
2326static ssize_t sony_nc_lid_resume_store(struct device *dev,
2327 struct device_attribute *attr,
2328 const char *buffer, size_t count)
2329{
2330 unsigned int result;
2331 unsigned long value;
2332 unsigned int pos = LID_RESUME_S5;
2333 if (count > 31)
2334 return -EINVAL;
2335
2336 if (kstrtoul(buffer, 10, &value) || value > 1)
2337 return -EINVAL;
2338
2339 /* the value we have to write to SNC is a bitmask:
2340 * +--------------+
2341 * | S3 | S4 | S5 |
2342 * +--------------+
2343 * 2 1 0
2344 */
2345 while (pos < LID_RESUME_MAX) {
2346 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2347 break;
2348 pos++;
2349 }
2350 if (pos == LID_RESUME_MAX)
2351 return -EINVAL;
2352
2353 if (value)
2354 value = lid_ctl->status | (1 << pos);
2355 else
2356 value = lid_ctl->status & ~(1 << pos);
2357
2358 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2359 &result))
2360 return -EIO;
2361
2362 lid_ctl->status = value;
2363
2364 return count;
2365}
2366
2367static ssize_t sony_nc_lid_resume_show(struct device *dev,
2368 struct device_attribute *attr,
2369 char *buffer)
2370{
2371 unsigned int pos = LID_RESUME_S5;
2372
2373 while (pos < LID_RESUME_MAX) {
2374 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2375 return snprintf(buffer, PAGE_SIZE, "%d\n",
2376 (lid_ctl->status >> pos) & 0x01);
2377 pos++;
2378 }
2379 return -EINVAL;
2380}
2381
2382static int sony_nc_lid_resume_setup(struct platform_device *pd,
2383 unsigned int handle)
2384{
2385 unsigned int result;
2386 int i;
2387
2388 if (sony_call_snc_handle(handle, 0x0000, &result))
2389 return -EIO;
2390
2391 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2392 if (!lid_ctl)
2393 return -ENOMEM;
2394
2395 lid_ctl->status = result & 0x7;
2396 lid_ctl->handle = handle;
2397
2398 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2399 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2400 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2401 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2402 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2403
2404 if (handle == 0x0119) {
2405 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2406 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2407 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2408 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2409 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2410
2411 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2412 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2413 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2414 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2415 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2416 }
2417 for (i = 0; i < LID_RESUME_MAX &&
2418 lid_ctl->attrs[i].attr.name; i++) {
2419 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2420 if (result)
2421 goto liderror;
2422 }
2423
2424 return 0;
2425
2426liderror:
2427 for (i--; i >= 0; i--)
2428 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2429
2430 kfree(lid_ctl);
2431 lid_ctl = NULL;
2432
2433 return result;
2434}
2435
2436static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2437{
2438 int i;
2439
2440 if (lid_ctl) {
2441 for (i = 0; i < LID_RESUME_MAX; i++) {
2442 if (!lid_ctl->attrs[i].attr.name)
2443 break;
2444
2445 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2446 }
2447
2448 kfree(lid_ctl);
2449 lid_ctl = NULL;
2450 }
2451}
2452
2453/* GFX Switch position */
2454enum gfx_switch {
2455 SPEED,
2456 STAMINA,
2457 AUTO
2458};
2459struct snc_gfx_switch_control {
2460 struct device_attribute attr;
2461 unsigned int handle;
2462};
2463static struct snc_gfx_switch_control *gfxs_ctl;
2464
2465/* returns 0 for speed, 1 for stamina */
2466static int __sony_nc_gfx_switch_status_get(void)
2467{
2468 unsigned int result;
2469
2470 if (sony_call_snc_handle(gfxs_ctl->handle,
2471 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2472 &result))
2473 return -EIO;
2474
2475 switch (gfxs_ctl->handle) {
2476 case 0x0146:
2477 /* 1: discrete GFX (speed)
2478 * 0: integrated GFX (stamina)
2479 */
2480 return result & 0x1 ? SPEED : STAMINA;
2481 break;
2482 case 0x015B:
2483 /* 0: discrete GFX (speed)
2484 * 1: integrated GFX (stamina)
2485 */
2486 return result & 0x1 ? STAMINA : SPEED;
2487 break;
2488 case 0x0128:
2489 /* it's a more elaborated bitmask, for now:
2490 * 2: integrated GFX (stamina)
2491 * 0: discrete GFX (speed)
2492 */
2493 dprintk("GFX Status: 0x%x\n", result);
2494 return result & 0x80 ? AUTO :
2495 result & 0x02 ? STAMINA : SPEED;
2496 break;
2497 }
2498 return -EINVAL;
2499}
2500
2501static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2502 struct device_attribute *attr,
2503 char *buffer)
2504{
2505 int pos = __sony_nc_gfx_switch_status_get();
2506
2507 if (pos < 0)
2508 return pos;
2509
2510 return snprintf(buffer, PAGE_SIZE, "%s\n",
2511 pos == SPEED ? "speed" :
2512 pos == STAMINA ? "stamina" :
2513 pos == AUTO ? "auto" : "unknown");
2514}
2515
2516static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2517 unsigned int handle)
2518{
2519 unsigned int result;
2520
2521 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2522 if (!gfxs_ctl)
2523 return -ENOMEM;
2524
2525 gfxs_ctl->handle = handle;
2526
2527 sysfs_attr_init(&gfxs_ctl->attr.attr);
2528 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2529 gfxs_ctl->attr.attr.mode = S_IRUGO;
2530 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2531
2532 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2533 if (result)
2534 goto gfxerror;
2535
2536 return 0;
2537
2538gfxerror:
2539 kfree(gfxs_ctl);
2540 gfxs_ctl = NULL;
2541
2542 return result;
2543}
2544
2545static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2546{
2547 if (gfxs_ctl) {
2548 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2549
2550 kfree(gfxs_ctl);
2551 gfxs_ctl = NULL;
2552 }
2553}
2554
2555/* High speed charging function */
2556static struct device_attribute *hsc_handle;
2557
2558static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2559 struct device_attribute *attr,
2560 const char *buffer, size_t count)
2561{
2562 unsigned int result;
2563 unsigned long value;
2564
2565 if (count > 31)
2566 return -EINVAL;
2567
2568 if (kstrtoul(buffer, 10, &value) || value > 1)
2569 return -EINVAL;
2570
2571 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2572 return -EIO;
2573
2574 return count;
2575}
2576
2577static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2578 struct device_attribute *attr, char *buffer)
2579{
2580 unsigned int result;
2581
2582 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2583 return -EIO;
2584
2585 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2586}
2587
2588static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2589{
2590 unsigned int result;
2591
2592 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2593 /* some models advertise the handle but have no implementation
2594 * for it
2595 */
2596 pr_info("No High Speed Charging capability found\n");
2597 return 0;
2598 }
2599
2600 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2601 if (!hsc_handle)
2602 return -ENOMEM;
2603
2604 sysfs_attr_init(&hsc_handle->attr);
2605 hsc_handle->attr.name = "battery_highspeed_charging";
2606 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2607 hsc_handle->show = sony_nc_highspeed_charging_show;
2608 hsc_handle->store = sony_nc_highspeed_charging_store;
2609
2610 result = device_create_file(&pd->dev, hsc_handle);
2611 if (result) {
2612 kfree(hsc_handle);
2613 hsc_handle = NULL;
2614 return result;
2615 }
2616
2617 return 0;
2618}
2619
2620static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2621{
2622 if (hsc_handle) {
2623 device_remove_file(&pd->dev, hsc_handle);
2624 kfree(hsc_handle);
2625 hsc_handle = NULL;
2626 }
2627}
2628
2629/* low battery function */
2630static struct device_attribute *lowbatt_handle;
2631
2632static ssize_t sony_nc_lowbatt_store(struct device *dev,
2633 struct device_attribute *attr,
2634 const char *buffer, size_t count)
2635{
2636 unsigned int result;
2637 unsigned long value;
2638
2639 if (count > 31)
2640 return -EINVAL;
2641
2642 if (kstrtoul(buffer, 10, &value) || value > 1)
2643 return -EINVAL;
2644
2645 if (sony_call_snc_handle(0x0121, value << 8, &result))
2646 return -EIO;
2647
2648 return count;
2649}
2650
2651static ssize_t sony_nc_lowbatt_show(struct device *dev,
2652 struct device_attribute *attr, char *buffer)
2653{
2654 unsigned int result;
2655
2656 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2657 return -EIO;
2658
2659 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2660}
2661
2662static int sony_nc_lowbatt_setup(struct platform_device *pd)
2663{
2664 unsigned int result;
2665
2666 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2667 if (!lowbatt_handle)
2668 return -ENOMEM;
2669
2670 sysfs_attr_init(&lowbatt_handle->attr);
2671 lowbatt_handle->attr.name = "lowbatt_hibernate";
2672 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2673 lowbatt_handle->show = sony_nc_lowbatt_show;
2674 lowbatt_handle->store = sony_nc_lowbatt_store;
2675
2676 result = device_create_file(&pd->dev, lowbatt_handle);
2677 if (result) {
2678 kfree(lowbatt_handle);
2679 lowbatt_handle = NULL;
2680 return result;
2681 }
2682
2683 return 0;
2684}
2685
2686static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2687{
2688 if (lowbatt_handle) {
2689 device_remove_file(&pd->dev, lowbatt_handle);
2690 kfree(lowbatt_handle);
2691 lowbatt_handle = NULL;
2692 }
2693}
2694
2695/* fan speed function */
2696static struct device_attribute *fan_handle, *hsf_handle;
2697
2698static ssize_t sony_nc_hsfan_store(struct device *dev,
2699 struct device_attribute *attr,
2700 const char *buffer, size_t count)
2701{
2702 unsigned int result;
2703 unsigned long value;
2704
2705 if (count > 31)
2706 return -EINVAL;
2707
2708 if (kstrtoul(buffer, 10, &value) || value > 1)
2709 return -EINVAL;
2710
2711 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2712 return -EIO;
2713
2714 return count;
2715}
2716
2717static ssize_t sony_nc_hsfan_show(struct device *dev,
2718 struct device_attribute *attr, char *buffer)
2719{
2720 unsigned int result;
2721
2722 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2723 return -EIO;
2724
2725 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2726}
2727
2728static ssize_t sony_nc_fanspeed_show(struct device *dev,
2729 struct device_attribute *attr, char *buffer)
2730{
2731 unsigned int result;
2732
2733 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2734 return -EIO;
2735
2736 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2737}
2738
2739static int sony_nc_fanspeed_setup(struct platform_device *pd)
2740{
2741 unsigned int result;
2742
2743 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2744 if (!fan_handle)
2745 return -ENOMEM;
2746
2747 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2748 if (!hsf_handle) {
2749 result = -ENOMEM;
2750 goto out_hsf_handle_alloc;
2751 }
2752
2753 sysfs_attr_init(&fan_handle->attr);
2754 fan_handle->attr.name = "fanspeed";
2755 fan_handle->attr.mode = S_IRUGO;
2756 fan_handle->show = sony_nc_fanspeed_show;
2757 fan_handle->store = NULL;
2758
2759 sysfs_attr_init(&hsf_handle->attr);
2760 hsf_handle->attr.name = "fan_forced";
2761 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2762 hsf_handle->show = sony_nc_hsfan_show;
2763 hsf_handle->store = sony_nc_hsfan_store;
2764
2765 result = device_create_file(&pd->dev, fan_handle);
2766 if (result)
2767 goto out_fan_handle;
2768
2769 result = device_create_file(&pd->dev, hsf_handle);
2770 if (result)
2771 goto out_hsf_handle;
2772
2773 return 0;
2774
2775out_hsf_handle:
2776 device_remove_file(&pd->dev, fan_handle);
2777
2778out_fan_handle:
2779 kfree(hsf_handle);
2780 hsf_handle = NULL;
2781
2782out_hsf_handle_alloc:
2783 kfree(fan_handle);
2784 fan_handle = NULL;
2785 return result;
2786}
2787
2788static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2789{
2790 if (fan_handle) {
2791 device_remove_file(&pd->dev, fan_handle);
2792 kfree(fan_handle);
2793 fan_handle = NULL;
2794 }
2795 if (hsf_handle) {
2796 device_remove_file(&pd->dev, hsf_handle);
2797 kfree(hsf_handle);
2798 hsf_handle = NULL;
2799 }
2800}
2801
2802/* USB charge function */
2803static struct device_attribute *uc_handle;
2804
2805static ssize_t sony_nc_usb_charge_store(struct device *dev,
2806 struct device_attribute *attr,
2807 const char *buffer, size_t count)
2808{
2809 unsigned int result;
2810 unsigned long value;
2811
2812 if (count > 31)
2813 return -EINVAL;
2814
2815 if (kstrtoul(buffer, 10, &value) || value > 1)
2816 return -EINVAL;
2817
2818 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2819 return -EIO;
2820
2821 return count;
2822}
2823
2824static ssize_t sony_nc_usb_charge_show(struct device *dev,
2825 struct device_attribute *attr, char *buffer)
2826{
2827 unsigned int result;
2828
2829 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2830 return -EIO;
2831
2832 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2833}
2834
2835static int sony_nc_usb_charge_setup(struct platform_device *pd)
2836{
2837 unsigned int result;
2838
2839 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2840 /* some models advertise the handle but have no implementation
2841 * for it
2842 */
2843 pr_info("No USB Charge capability found\n");
2844 return 0;
2845 }
2846
2847 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2848 if (!uc_handle)
2849 return -ENOMEM;
2850
2851 sysfs_attr_init(&uc_handle->attr);
2852 uc_handle->attr.name = "usb_charge";
2853 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2854 uc_handle->show = sony_nc_usb_charge_show;
2855 uc_handle->store = sony_nc_usb_charge_store;
2856
2857 result = device_create_file(&pd->dev, uc_handle);
2858 if (result) {
2859 kfree(uc_handle);
2860 uc_handle = NULL;
2861 return result;
2862 }
2863
2864 return 0;
2865}
2866
2867static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2868{
2869 if (uc_handle) {
2870 device_remove_file(&pd->dev, uc_handle);
2871 kfree(uc_handle);
2872 uc_handle = NULL;
2873 }
2874}
2875
2876/* Panel ID function */
2877static struct device_attribute *panel_handle;
2878
2879static ssize_t sony_nc_panelid_show(struct device *dev,
2880 struct device_attribute *attr, char *buffer)
2881{
2882 unsigned int result;
2883
2884 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2885 return -EIO;
2886
2887 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2888}
2889
2890static int sony_nc_panelid_setup(struct platform_device *pd)
2891{
2892 unsigned int result;
2893
2894 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2895 if (!panel_handle)
2896 return -ENOMEM;
2897
2898 sysfs_attr_init(&panel_handle->attr);
2899 panel_handle->attr.name = "panel_id";
2900 panel_handle->attr.mode = S_IRUGO;
2901 panel_handle->show = sony_nc_panelid_show;
2902 panel_handle->store = NULL;
2903
2904 result = device_create_file(&pd->dev, panel_handle);
2905 if (result) {
2906 kfree(panel_handle);
2907 panel_handle = NULL;
2908 return result;
2909 }
2910
2911 return 0;
2912}
2913
2914static void sony_nc_panelid_cleanup(struct platform_device *pd)
2915{
2916 if (panel_handle) {
2917 device_remove_file(&pd->dev, panel_handle);
2918 kfree(panel_handle);
2919 panel_handle = NULL;
2920 }
2921}
2922
2923/* smart connect function */
2924static struct device_attribute *sc_handle;
2925
2926static ssize_t sony_nc_smart_conn_store(struct device *dev,
2927 struct device_attribute *attr,
2928 const char *buffer, size_t count)
2929{
2930 unsigned int result;
2931 unsigned long value;
2932
2933 if (count > 31)
2934 return -EINVAL;
2935
2936 if (kstrtoul(buffer, 10, &value) || value > 1)
2937 return -EINVAL;
2938
2939 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2940 return -EIO;
2941
2942 return count;
2943}
2944
2945static int sony_nc_smart_conn_setup(struct platform_device *pd)
2946{
2947 unsigned int result;
2948
2949 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2950 if (!sc_handle)
2951 return -ENOMEM;
2952
2953 sysfs_attr_init(&sc_handle->attr);
2954 sc_handle->attr.name = "smart_connect";
2955 sc_handle->attr.mode = S_IWUSR;
2956 sc_handle->show = NULL;
2957 sc_handle->store = sony_nc_smart_conn_store;
2958
2959 result = device_create_file(&pd->dev, sc_handle);
2960 if (result) {
2961 kfree(sc_handle);
2962 sc_handle = NULL;
2963 return result;
2964 }
2965
2966 return 0;
2967}
2968
2969static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2970{
2971 if (sc_handle) {
2972 device_remove_file(&pd->dev, sc_handle);
2973 kfree(sc_handle);
2974 sc_handle = NULL;
2975 }
2976}
2977
2978/* Touchpad enable/disable */
2979struct touchpad_control {
2980 struct device_attribute attr;
2981 int handle;
2982};
2983static struct touchpad_control *tp_ctl;
2984
2985static ssize_t sony_nc_touchpad_store(struct device *dev,
2986 struct device_attribute *attr, const char *buffer, size_t count)
2987{
2988 unsigned int result;
2989 unsigned long value;
2990
2991 if (count > 31)
2992 return -EINVAL;
2993
2994 if (kstrtoul(buffer, 10, &value) || value > 1)
2995 return -EINVAL;
2996
2997 /* sysfs: 0 disabled, 1 enabled
2998 * EC: 0 enabled, 1 disabled
2999 */
3000 if (sony_call_snc_handle(tp_ctl->handle,
3001 (!value << 0x10) | 0x100, &result))
3002 return -EIO;
3003
3004 return count;
3005}
3006
3007static ssize_t sony_nc_touchpad_show(struct device *dev,
3008 struct device_attribute *attr, char *buffer)
3009{
3010 unsigned int result;
3011
3012 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
3013 return -EINVAL;
3014
3015 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
3016}
3017
3018static int sony_nc_touchpad_setup(struct platform_device *pd,
3019 unsigned int handle)
3020{
3021 int ret = 0;
3022
3023 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
3024 if (!tp_ctl)
3025 return -ENOMEM;
3026
3027 tp_ctl->handle = handle;
3028
3029 sysfs_attr_init(&tp_ctl->attr.attr);
3030 tp_ctl->attr.attr.name = "touchpad";
3031 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3032 tp_ctl->attr.show = sony_nc_touchpad_show;
3033 tp_ctl->attr.store = sony_nc_touchpad_store;
3034
3035 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3036 if (ret) {
3037 kfree(tp_ctl);
3038 tp_ctl = NULL;
3039 }
3040
3041 return ret;
3042}
3043
3044static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3045{
3046 if (tp_ctl) {
3047 device_remove_file(&pd->dev, &tp_ctl->attr);
3048 kfree(tp_ctl);
3049 tp_ctl = NULL;
3050 }
3051}
3052
3053static void sony_nc_backlight_ng_read_limits(int handle,
3054 struct sony_backlight_props *props)
3055{
3056 u64 offset;
3057 int i;
3058 int lvl_table_len = 0;
3059 u8 min = 0xff, max = 0x00;
3060 unsigned char buffer[32] = { 0 };
3061
3062 props->handle = handle;
3063 props->offset = 0;
3064 props->maxlvl = 0xff;
3065
3066 offset = sony_find_snc_handle(handle);
3067
3068 /* try to read the boundaries from ACPI tables, if we fail the above
3069 * defaults should be reasonable
3070 */
3071 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3072 32);
3073 if (i < 0)
3074 return;
3075
3076 switch (handle) {
3077 case 0x012f:
3078 case 0x0137:
3079 lvl_table_len = 9;
3080 break;
3081 case 0x143:
3082 case 0x14b:
3083 case 0x14c:
3084 lvl_table_len = 16;
3085 break;
3086 }
3087
3088 /* the buffer lists brightness levels available, brightness levels are
3089 * from position 0 to 8 in the array, other values are used by ALS
3090 * control.
3091 */
3092 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3093
3094 dprintk("Brightness level: %d\n", buffer[i]);
3095
3096 if (!buffer[i])
3097 break;
3098
3099 if (buffer[i] > max)
3100 max = buffer[i];
3101 if (buffer[i] < min)
3102 min = buffer[i];
3103 }
3104 props->offset = min;
3105 props->maxlvl = max;
3106 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3107 props->maxlvl);
3108}
3109
3110static void sony_nc_backlight_setup(void)
3111{
3112 int max_brightness = 0;
3113 const struct backlight_ops *ops = NULL;
3114 struct backlight_properties props;
3115
3116 if (sony_find_snc_handle(0x12f) >= 0) {
3117 ops = &sony_backlight_ng_ops;
3118 sony_bl_props.cmd_base = 0x0100;
3119 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3120 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3121
3122 } else if (sony_find_snc_handle(0x137) >= 0) {
3123 ops = &sony_backlight_ng_ops;
3124 sony_bl_props.cmd_base = 0x0100;
3125 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3126 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3127
3128 } else if (sony_find_snc_handle(0x143) >= 0) {
3129 ops = &sony_backlight_ng_ops;
3130 sony_bl_props.cmd_base = 0x3000;
3131 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3132 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3133
3134 } else if (sony_find_snc_handle(0x14b) >= 0) {
3135 ops = &sony_backlight_ng_ops;
3136 sony_bl_props.cmd_base = 0x3000;
3137 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3138 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3139
3140 } else if (sony_find_snc_handle(0x14c) >= 0) {
3141 ops = &sony_backlight_ng_ops;
3142 sony_bl_props.cmd_base = 0x3000;
3143 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3144 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3145
3146 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3147 ops = &sony_backlight_ops;
3148 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3149
3150 } else
3151 return;
3152
3153 memset(&props, 0, sizeof(struct backlight_properties));
3154 props.type = BACKLIGHT_PLATFORM;
3155 props.max_brightness = max_brightness;
3156 sony_bl_props.dev = backlight_device_register("sony", NULL,
3157 &sony_bl_props,
3158 ops, &props);
3159
3160 if (IS_ERR(sony_bl_props.dev)) {
3161 pr_warn("unable to register backlight device\n");
3162 sony_bl_props.dev = NULL;
3163 } else
3164 sony_bl_props.dev->props.brightness =
3165 ops->get_brightness(sony_bl_props.dev);
3166}
3167
3168static void sony_nc_backlight_cleanup(void)
3169{
3170 backlight_device_unregister(sony_bl_props.dev);
3171}
3172
3173static int sony_nc_add(struct acpi_device *device)
3174{
3175 acpi_status status;
3176 int result = 0;
3177 struct sony_nc_value *item;
3178
3179 sony_nc_acpi_device = device;
3180 strcpy(acpi_device_class(device), "sony/hotkey");
3181
3182 sony_nc_acpi_handle = device->handle;
3183
3184 /* read device status */
3185 result = acpi_bus_get_status(device);
3186 /* bail IFF the above call was successful and the device is not present */
3187 if (!result && !device->status.present) {
3188 dprintk("Device not present\n");
3189 result = -ENODEV;
3190 goto outwalk;
3191 }
3192
3193 result = sony_pf_add();
3194 if (result)
3195 goto outpresent;
3196
3197 if (debug) {
3198 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3199 sony_nc_acpi_handle, 1, sony_walk_callback,
3200 NULL, NULL, NULL);
3201 if (ACPI_FAILURE(status)) {
3202 pr_warn("unable to walk acpi resources\n");
3203 result = -ENODEV;
3204 goto outpresent;
3205 }
3206 }
3207
3208 result = sony_laptop_setup_input(device);
3209 if (result) {
3210 pr_err("Unable to create input devices\n");
3211 goto outplatform;
3212 }
3213
3214 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3215 int arg = 1;
3216 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3217 dprintk("ECON Method failed\n");
3218 }
3219
3220 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3221 dprintk("Doing SNC setup\n");
3222 /* retrieve the available handles */
3223 result = sony_nc_handles_setup(sony_pf_device);
3224 if (!result)
3225 sony_nc_function_setup(device, sony_pf_device);
3226 }
3227
3228 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3229 sony_nc_backlight_setup();
3230
3231 /* create sony_pf sysfs attributes related to the SNC device */
3232 for (item = sony_nc_values; item->name; ++item) {
3233
3234 if (!debug && item->debug)
3235 continue;
3236
3237 /* find the available acpiget as described in the DSDT */
3238 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3239 if (acpi_has_method(sony_nc_acpi_handle,
3240 *item->acpiget)) {
3241 dprintk("Found %s getter: %s\n",
3242 item->name, *item->acpiget);
3243 item->devattr.attr.mode |= S_IRUGO;
3244 break;
3245 }
3246 }
3247
3248 /* find the available acpiset as described in the DSDT */
3249 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3250 if (acpi_has_method(sony_nc_acpi_handle,
3251 *item->acpiset)) {
3252 dprintk("Found %s setter: %s\n",
3253 item->name, *item->acpiset);
3254 item->devattr.attr.mode |= S_IWUSR;
3255 break;
3256 }
3257 }
3258
3259 if (item->devattr.attr.mode != 0) {
3260 result =
3261 device_create_file(&sony_pf_device->dev,
3262 &item->devattr);
3263 if (result)
3264 goto out_sysfs;
3265 }
3266 }
3267
3268 pr_info("SNC setup done.\n");
3269 return 0;
3270
3271out_sysfs:
3272 for (item = sony_nc_values; item->name; ++item) {
3273 device_remove_file(&sony_pf_device->dev, &item->devattr);
3274 }
3275 sony_nc_backlight_cleanup();
3276 sony_nc_function_cleanup(sony_pf_device);
3277 sony_nc_handles_cleanup(sony_pf_device);
3278
3279outplatform:
3280 sony_laptop_remove_input();
3281
3282outpresent:
3283 sony_pf_remove();
3284
3285outwalk:
3286 sony_nc_rfkill_cleanup();
3287 return result;
3288}
3289
3290static int sony_nc_remove(struct acpi_device *device)
3291{
3292 struct sony_nc_value *item;
3293
3294 sony_nc_backlight_cleanup();
3295
3296 sony_nc_acpi_device = NULL;
3297
3298 for (item = sony_nc_values; item->name; ++item) {
3299 device_remove_file(&sony_pf_device->dev, &item->devattr);
3300 }
3301
3302 sony_nc_function_cleanup(sony_pf_device);
3303 sony_nc_handles_cleanup(sony_pf_device);
3304 sony_pf_remove();
3305 sony_laptop_remove_input();
3306 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3307
3308 return 0;
3309}
3310
3311static const struct acpi_device_id sony_device_ids[] = {
3312 {SONY_NC_HID, 0},
3313 {SONY_PIC_HID, 0},
3314 {"", 0},
3315};
3316MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3317
3318static const struct acpi_device_id sony_nc_device_ids[] = {
3319 {SONY_NC_HID, 0},
3320 {"", 0},
3321};
3322
3323static struct acpi_driver sony_nc_driver = {
3324 .name = SONY_NC_DRIVER_NAME,
3325 .class = SONY_NC_CLASS,
3326 .ids = sony_nc_device_ids,
3327 .owner = THIS_MODULE,
3328 .ops = {
3329 .add = sony_nc_add,
3330 .remove = sony_nc_remove,
3331 .notify = sony_nc_notify,
3332 },
3333 .drv.pm = &sony_nc_pm,
3334};
3335
3336/*********** SPIC (SNY6001) Device ***********/
3337
3338#define SONYPI_DEVICE_TYPE1 0x00000001
3339#define SONYPI_DEVICE_TYPE2 0x00000002
3340#define SONYPI_DEVICE_TYPE3 0x00000004
3341
3342#define SONYPI_TYPE1_OFFSET 0x04
3343#define SONYPI_TYPE2_OFFSET 0x12
3344#define SONYPI_TYPE3_OFFSET 0x12
3345
3346struct sony_pic_ioport {
3347 struct acpi_resource_io io1;
3348 struct acpi_resource_io io2;
3349 struct list_head list;
3350};
3351
3352struct sony_pic_irq {
3353 struct acpi_resource_irq irq;
3354 struct list_head list;
3355};
3356
3357struct sonypi_eventtypes {
3358 u8 data;
3359 unsigned long mask;
3360 struct sonypi_event *events;
3361};
3362
3363struct sony_pic_dev {
3364 struct acpi_device *acpi_dev;
3365 struct sony_pic_irq *cur_irq;
3366 struct sony_pic_ioport *cur_ioport;
3367 struct list_head interrupts;
3368 struct list_head ioports;
3369 struct mutex lock;
3370 struct sonypi_eventtypes *event_types;
3371 int (*handle_irq)(const u8, const u8);
3372 int model;
3373 u16 evport_offset;
3374 u8 camera_power;
3375 u8 bluetooth_power;
3376 u8 wwan_power;
3377};
3378
3379static struct sony_pic_dev spic_dev = {
3380 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3381 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3382};
3383
3384static int spic_drv_registered;
3385
3386/* Event masks */
3387#define SONYPI_JOGGER_MASK 0x00000001
3388#define SONYPI_CAPTURE_MASK 0x00000002
3389#define SONYPI_FNKEY_MASK 0x00000004
3390#define SONYPI_BLUETOOTH_MASK 0x00000008
3391#define SONYPI_PKEY_MASK 0x00000010
3392#define SONYPI_BACK_MASK 0x00000020
3393#define SONYPI_HELP_MASK 0x00000040
3394#define SONYPI_LID_MASK 0x00000080
3395#define SONYPI_ZOOM_MASK 0x00000100
3396#define SONYPI_THUMBPHRASE_MASK 0x00000200
3397#define SONYPI_MEYE_MASK 0x00000400
3398#define SONYPI_MEMORYSTICK_MASK 0x00000800
3399#define SONYPI_BATTERY_MASK 0x00001000
3400#define SONYPI_WIRELESS_MASK 0x00002000
3401
3402struct sonypi_event {
3403 u8 data;
3404 u8 event;
3405};
3406
3407/* The set of possible button release events */
3408static struct sonypi_event sonypi_releaseev[] = {
3409 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3410 { 0, 0 }
3411};
3412
3413/* The set of possible jogger events */
3414static struct sonypi_event sonypi_joggerev[] = {
3415 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3416 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3417 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3418 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3419 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3420 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3421 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3422 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3423 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3424 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3425 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3426 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3427 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3428 { 0, 0 }
3429};
3430
3431/* The set of possible capture button events */
3432static struct sonypi_event sonypi_captureev[] = {
3433 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3434 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3435 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3436 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3437 { 0, 0 }
3438};
3439
3440/* The set of possible fnkeys events */
3441static struct sonypi_event sonypi_fnkeyev[] = {
3442 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3443 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3444 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3445 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3446 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3447 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3448 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3449 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3450 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3451 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3452 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3453 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3454 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3455 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3456 { 0x21, SONYPI_EVENT_FNKEY_1 },
3457 { 0x22, SONYPI_EVENT_FNKEY_2 },
3458 { 0x31, SONYPI_EVENT_FNKEY_D },
3459 { 0x32, SONYPI_EVENT_FNKEY_E },
3460 { 0x33, SONYPI_EVENT_FNKEY_F },
3461 { 0x34, SONYPI_EVENT_FNKEY_S },
3462 { 0x35, SONYPI_EVENT_FNKEY_B },
3463 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3464 { 0, 0 }
3465};
3466
3467/* The set of possible program key events */
3468static struct sonypi_event sonypi_pkeyev[] = {
3469 { 0x01, SONYPI_EVENT_PKEY_P1 },
3470 { 0x02, SONYPI_EVENT_PKEY_P2 },
3471 { 0x04, SONYPI_EVENT_PKEY_P3 },
3472 { 0x20, SONYPI_EVENT_PKEY_P1 },
3473 { 0, 0 }
3474};
3475
3476/* The set of possible bluetooth events */
3477static struct sonypi_event sonypi_blueev[] = {
3478 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3479 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3480 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3481 { 0, 0 }
3482};
3483
3484/* The set of possible wireless events */
3485static struct sonypi_event sonypi_wlessev[] = {
3486 { 0x59, SONYPI_EVENT_IGNORE },
3487 { 0x5a, SONYPI_EVENT_IGNORE },
3488 { 0, 0 }
3489};
3490
3491/* The set of possible back button events */
3492static struct sonypi_event sonypi_backev[] = {
3493 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3494 { 0, 0 }
3495};
3496
3497/* The set of possible help button events */
3498static struct sonypi_event sonypi_helpev[] = {
3499 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3500 { 0, 0 }
3501};
3502
3503
3504/* The set of possible lid events */
3505static struct sonypi_event sonypi_lidev[] = {
3506 { 0x51, SONYPI_EVENT_LID_CLOSED },
3507 { 0x50, SONYPI_EVENT_LID_OPENED },
3508 { 0, 0 }
3509};
3510
3511/* The set of possible zoom events */
3512static struct sonypi_event sonypi_zoomev[] = {
3513 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3514 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3515 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3516 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3517 { 0, 0 }
3518};
3519
3520/* The set of possible thumbphrase events */
3521static struct sonypi_event sonypi_thumbphraseev[] = {
3522 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3523 { 0, 0 }
3524};
3525
3526/* The set of possible motioneye camera events */
3527static struct sonypi_event sonypi_meyeev[] = {
3528 { 0x00, SONYPI_EVENT_MEYE_FACE },
3529 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3530 { 0, 0 }
3531};
3532
3533/* The set of possible memorystick events */
3534static struct sonypi_event sonypi_memorystickev[] = {
3535 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3536 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3537 { 0, 0 }
3538};
3539
3540/* The set of possible battery events */
3541static struct sonypi_event sonypi_batteryev[] = {
3542 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3543 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3544 { 0, 0 }
3545};
3546
3547/* The set of possible volume events */
3548static struct sonypi_event sonypi_volumeev[] = {
3549 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3550 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3551 { 0, 0 }
3552};
3553
3554/* The set of possible brightness events */
3555static struct sonypi_event sonypi_brightnessev[] = {
3556 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3557 { 0, 0 }
3558};
3559
3560static struct sonypi_eventtypes type1_events[] = {
3561 { 0, 0xffffffff, sonypi_releaseev },
3562 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3563 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3564 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3565 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3566 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3567 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3568 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3569 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3570 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3571 { 0 },
3572};
3573static struct sonypi_eventtypes type2_events[] = {
3574 { 0, 0xffffffff, sonypi_releaseev },
3575 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3576 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3577 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3578 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3579 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3580 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3581 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3582 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3583 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3584 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3585 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3586 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3587 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3588 { 0 },
3589};
3590static struct sonypi_eventtypes type3_events[] = {
3591 { 0, 0xffffffff, sonypi_releaseev },
3592 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3593 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3594 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3595 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3596 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3597 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3598 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3599 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3600 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3601 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3602 { 0 },
3603};
3604
3605/* low level spic calls */
3606#define ITERATIONS_LONG 10000
3607#define ITERATIONS_SHORT 10
3608#define wait_on_command(command, iterations) { \
3609 unsigned int n = iterations; \
3610 while (--n && (command)) \
3611 udelay(1); \
3612 if (!n) \
3613 dprintk("command failed at %s : %s (line %d)\n", \
3614 __FILE__, __func__, __LINE__); \
3615}
3616
3617static u8 sony_pic_call1(u8 dev)
3618{
3619 u8 v1, v2;
3620
3621 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3622 ITERATIONS_LONG);
3623 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3624 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3625 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3626 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3627 return v2;
3628}
3629
3630static u8 sony_pic_call2(u8 dev, u8 fn)
3631{
3632 u8 v1;
3633
3634 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3635 ITERATIONS_LONG);
3636 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3637 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3638 ITERATIONS_LONG);
3639 outb(fn, spic_dev.cur_ioport->io1.minimum);
3640 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3641 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3642 return v1;
3643}
3644
3645static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3646{
3647 u8 v1;
3648
3649 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3650 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3651 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3652 outb(fn, spic_dev.cur_ioport->io1.minimum);
3653 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3654 outb(v, spic_dev.cur_ioport->io1.minimum);
3655 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3656 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3657 dev, fn, v, v1);
3658 return v1;
3659}
3660
3661/*
3662 * minidrivers for SPIC models
3663 */
3664static int type3_handle_irq(const u8 data_mask, const u8 ev)
3665{
3666 /*
3667 * 0x31 could mean we have to take some extra action and wait for
3668 * the next irq for some Type3 models, it will generate a new
3669 * irq and we can read new data from the device:
3670 * - 0x5c and 0x5f requires 0xA0
3671 * - 0x61 requires 0xB3
3672 */
3673 if (data_mask == 0x31) {
3674 if (ev == 0x5c || ev == 0x5f)
3675 sony_pic_call1(0xA0);
3676 else if (ev == 0x61)
3677 sony_pic_call1(0xB3);
3678 return 0;
3679 }
3680 return 1;
3681}
3682
3683static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3684{
3685 struct pci_dev *pcidev;
3686
3687 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3688 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3689 if (pcidev) {
3690 dev->model = SONYPI_DEVICE_TYPE1;
3691 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3692 dev->event_types = type1_events;
3693 goto out;
3694 }
3695
3696 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3697 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3698 if (pcidev) {
3699 dev->model = SONYPI_DEVICE_TYPE2;
3700 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3701 dev->event_types = type2_events;
3702 goto out;
3703 }
3704
3705 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3706 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3707 if (pcidev) {
3708 dev->model = SONYPI_DEVICE_TYPE3;
3709 dev->handle_irq = type3_handle_irq;
3710 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3711 dev->event_types = type3_events;
3712 goto out;
3713 }
3714
3715 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3716 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3717 if (pcidev) {
3718 dev->model = SONYPI_DEVICE_TYPE3;
3719 dev->handle_irq = type3_handle_irq;
3720 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3721 dev->event_types = type3_events;
3722 goto out;
3723 }
3724
3725 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3726 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3727 if (pcidev) {
3728 dev->model = SONYPI_DEVICE_TYPE3;
3729 dev->handle_irq = type3_handle_irq;
3730 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3731 dev->event_types = type3_events;
3732 goto out;
3733 }
3734
3735 /* default */
3736 dev->model = SONYPI_DEVICE_TYPE2;
3737 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3738 dev->event_types = type2_events;
3739
3740out:
3741 pci_dev_put(pcidev);
3742
3743 pr_info("detected Type%d model\n",
3744 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3745 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3746}
3747
3748/* camera tests and poweron/poweroff */
3749#define SONYPI_CAMERA_PICTURE 5
3750#define SONYPI_CAMERA_CONTROL 0x10
3751
3752#define SONYPI_CAMERA_BRIGHTNESS 0
3753#define SONYPI_CAMERA_CONTRAST 1
3754#define SONYPI_CAMERA_HUE 2
3755#define SONYPI_CAMERA_COLOR 3
3756#define SONYPI_CAMERA_SHARPNESS 4
3757
3758#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3759#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3760#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3761#define SONYPI_CAMERA_MUTE_MASK 0x40
3762
3763/* the rest don't need a loop until not 0xff */
3764#define SONYPI_CAMERA_AGC 6
3765#define SONYPI_CAMERA_AGC_MASK 0x30
3766#define SONYPI_CAMERA_SHUTTER_MASK 0x7
3767
3768#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3769#define SONYPI_CAMERA_CONTROL 0x10
3770
3771#define SONYPI_CAMERA_STATUS 7
3772#define SONYPI_CAMERA_STATUS_READY 0x2
3773#define SONYPI_CAMERA_STATUS_POSITION 0x4
3774
3775#define SONYPI_DIRECTION_BACKWARDS 0x4
3776
3777#define SONYPI_CAMERA_REVISION 8
3778#define SONYPI_CAMERA_ROMVERSION 9
3779
3780static int __sony_pic_camera_ready(void)
3781{
3782 u8 v;
3783
3784 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3785 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3786}
3787
3788static int __sony_pic_camera_off(void)
3789{
3790 if (!camera) {
3791 pr_warn("camera control not enabled\n");
3792 return -ENODEV;
3793 }
3794
3795 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3796 SONYPI_CAMERA_MUTE_MASK),
3797 ITERATIONS_SHORT);
3798
3799 if (spic_dev.camera_power) {
3800 sony_pic_call2(0x91, 0);
3801 spic_dev.camera_power = 0;
3802 }
3803 return 0;
3804}
3805
3806static int __sony_pic_camera_on(void)
3807{
3808 int i, j, x;
3809
3810 if (!camera) {
3811 pr_warn("camera control not enabled\n");
3812 return -ENODEV;
3813 }
3814
3815 if (spic_dev.camera_power)
3816 return 0;
3817
3818 for (j = 5; j > 0; j--) {
3819
3820 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3821 msleep(10);
3822 sony_pic_call1(0x93);
3823
3824 for (i = 400; i > 0; i--) {
3825 if (__sony_pic_camera_ready())
3826 break;
3827 msleep(10);
3828 }
3829 if (i)
3830 break;
3831 }
3832
3833 if (j == 0) {
3834 pr_warn("failed to power on camera\n");
3835 return -ENODEV;
3836 }
3837
3838 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3839 0x5a),
3840 ITERATIONS_SHORT);
3841
3842 spic_dev.camera_power = 1;
3843 return 0;
3844}
3845
3846/* External camera command (exported to the motion eye v4l driver) */
3847int sony_pic_camera_command(int command, u8 value)
3848{
3849 if (!camera)
3850 return -EIO;
3851
3852 mutex_lock(&spic_dev.lock);
3853
3854 switch (command) {
3855 case SONY_PIC_COMMAND_SETCAMERA:
3856 if (value)
3857 __sony_pic_camera_on();
3858 else
3859 __sony_pic_camera_off();
3860 break;
3861 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3862 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3863 ITERATIONS_SHORT);
3864 break;
3865 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3866 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3867 ITERATIONS_SHORT);
3868 break;
3869 case SONY_PIC_COMMAND_SETCAMERAHUE:
3870 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3871 ITERATIONS_SHORT);
3872 break;
3873 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3874 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3875 ITERATIONS_SHORT);
3876 break;
3877 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3878 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3879 ITERATIONS_SHORT);
3880 break;
3881 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3882 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3883 ITERATIONS_SHORT);
3884 break;
3885 case SONY_PIC_COMMAND_SETCAMERAAGC:
3886 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3887 ITERATIONS_SHORT);
3888 break;
3889 default:
3890 pr_err("sony_pic_camera_command invalid: %d\n", command);
3891 break;
3892 }
3893 mutex_unlock(&spic_dev.lock);
3894 return 0;
3895}
3896EXPORT_SYMBOL(sony_pic_camera_command);
3897
3898/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3899static void __sony_pic_set_wwanpower(u8 state)
3900{
3901 state = !!state;
3902 if (spic_dev.wwan_power == state)
3903 return;
3904 sony_pic_call2(0xB0, state);
3905 sony_pic_call1(0x82);
3906 spic_dev.wwan_power = state;
3907}
3908
3909static ssize_t sony_pic_wwanpower_store(struct device *dev,
3910 struct device_attribute *attr,
3911 const char *buffer, size_t count)
3912{
3913 unsigned long value;
3914 if (count > 31)
3915 return -EINVAL;
3916
3917 if (kstrtoul(buffer, 10, &value))
3918 return -EINVAL;
3919
3920 mutex_lock(&spic_dev.lock);
3921 __sony_pic_set_wwanpower(value);
3922 mutex_unlock(&spic_dev.lock);
3923
3924 return count;
3925}
3926
3927static ssize_t sony_pic_wwanpower_show(struct device *dev,
3928 struct device_attribute *attr, char *buffer)
3929{
3930 ssize_t count;
3931 mutex_lock(&spic_dev.lock);
3932 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3933 mutex_unlock(&spic_dev.lock);
3934 return count;
3935}
3936
3937/* bluetooth subsystem power state */
3938static void __sony_pic_set_bluetoothpower(u8 state)
3939{
3940 state = !!state;
3941 if (spic_dev.bluetooth_power == state)
3942 return;
3943 sony_pic_call2(0x96, state);
3944 sony_pic_call1(0x82);
3945 spic_dev.bluetooth_power = state;
3946}
3947
3948static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3949 struct device_attribute *attr,
3950 const char *buffer, size_t count)
3951{
3952 unsigned long value;
3953 if (count > 31)
3954 return -EINVAL;
3955
3956 if (kstrtoul(buffer, 10, &value))
3957 return -EINVAL;
3958
3959 mutex_lock(&spic_dev.lock);
3960 __sony_pic_set_bluetoothpower(value);
3961 mutex_unlock(&spic_dev.lock);
3962
3963 return count;
3964}
3965
3966static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3967 struct device_attribute *attr, char *buffer)
3968{
3969 ssize_t count = 0;
3970 mutex_lock(&spic_dev.lock);
3971 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3972 mutex_unlock(&spic_dev.lock);
3973 return count;
3974}
3975
3976/* fan speed */
3977/* FAN0 information (reverse engineered from ACPI tables) */
3978#define SONY_PIC_FAN0_STATUS 0x93
3979static int sony_pic_set_fanspeed(unsigned long value)
3980{
3981 return ec_write(SONY_PIC_FAN0_STATUS, value);
3982}
3983
3984static int sony_pic_get_fanspeed(u8 *value)
3985{
3986 return ec_read(SONY_PIC_FAN0_STATUS, value);
3987}
3988
3989static ssize_t sony_pic_fanspeed_store(struct device *dev,
3990 struct device_attribute *attr,
3991 const char *buffer, size_t count)
3992{
3993 unsigned long value;
3994 if (count > 31)
3995 return -EINVAL;
3996
3997 if (kstrtoul(buffer, 10, &value))
3998 return -EINVAL;
3999
4000 if (sony_pic_set_fanspeed(value))
4001 return -EIO;
4002
4003 return count;
4004}
4005
4006static ssize_t sony_pic_fanspeed_show(struct device *dev,
4007 struct device_attribute *attr, char *buffer)
4008{
4009 u8 value = 0;
4010 if (sony_pic_get_fanspeed(&value))
4011 return -EIO;
4012
4013 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
4014}
4015
4016#define SPIC_ATTR(_name, _mode) \
4017struct device_attribute spic_attr_##_name = __ATTR(_name, \
4018 _mode, sony_pic_## _name ##_show, \
4019 sony_pic_## _name ##_store)
4020
4021static SPIC_ATTR(bluetoothpower, 0644);
4022static SPIC_ATTR(wwanpower, 0644);
4023static SPIC_ATTR(fanspeed, 0644);
4024
4025static struct attribute *spic_attributes[] = {
4026 &spic_attr_bluetoothpower.attr,
4027 &spic_attr_wwanpower.attr,
4028 &spic_attr_fanspeed.attr,
4029 NULL
4030};
4031
4032static struct attribute_group spic_attribute_group = {
4033 .attrs = spic_attributes
4034};
4035
4036/******** SONYPI compatibility **********/
4037#ifdef CONFIG_SONYPI_COMPAT
4038
4039/* battery / brightness / temperature addresses */
4040#define SONYPI_BAT_FLAGS 0x81
4041#define SONYPI_LCD_LIGHT 0x96
4042#define SONYPI_BAT1_PCTRM 0xa0
4043#define SONYPI_BAT1_LEFT 0xa2
4044#define SONYPI_BAT1_MAXRT 0xa4
4045#define SONYPI_BAT2_PCTRM 0xa8
4046#define SONYPI_BAT2_LEFT 0xaa
4047#define SONYPI_BAT2_MAXRT 0xac
4048#define SONYPI_BAT1_MAXTK 0xb0
4049#define SONYPI_BAT1_FULL 0xb2
4050#define SONYPI_BAT2_MAXTK 0xb8
4051#define SONYPI_BAT2_FULL 0xba
4052#define SONYPI_TEMP_STATUS 0xC1
4053
4054struct sonypi_compat_s {
4055 struct fasync_struct *fifo_async;
4056 struct kfifo fifo;
4057 spinlock_t fifo_lock;
4058 wait_queue_head_t fifo_proc_list;
4059 atomic_t open_count;
4060};
4061static struct sonypi_compat_s sonypi_compat = {
4062 .open_count = ATOMIC_INIT(0),
4063};
4064
4065static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4066{
4067 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4068}
4069
4070static int sonypi_misc_release(struct inode *inode, struct file *file)
4071{
4072 atomic_dec(&sonypi_compat.open_count);
4073 return 0;
4074}
4075
4076static int sonypi_misc_open(struct inode *inode, struct file *file)
4077{
4078 /* Flush input queue on first open */
4079 unsigned long flags;
4080
4081 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4082
4083 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4084 kfifo_reset(&sonypi_compat.fifo);
4085
4086 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4087
4088 return 0;
4089}
4090
4091static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4092 size_t count, loff_t *pos)
4093{
4094 ssize_t ret;
4095 unsigned char c;
4096
4097 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4098 (file->f_flags & O_NONBLOCK))
4099 return -EAGAIN;
4100
4101 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4102 kfifo_len(&sonypi_compat.fifo) != 0);
4103 if (ret)
4104 return ret;
4105
4106 while (ret < count &&
4107 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4108 &sonypi_compat.fifo_lock) == sizeof(c))) {
4109 if (put_user(c, buf++))
4110 return -EFAULT;
4111 ret++;
4112 }
4113
4114 if (ret > 0) {
4115 struct inode *inode = file_inode(file);
4116 inode->i_atime = current_fs_time(inode->i_sb);
4117 }
4118
4119 return ret;
4120}
4121
4122static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
4123{
4124 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4125 if (kfifo_len(&sonypi_compat.fifo))
4126 return POLLIN | POLLRDNORM;
4127 return 0;
4128}
4129
4130static int ec_read16(u8 addr, u16 *value)
4131{
4132 u8 val_lb, val_hb;
4133 if (ec_read(addr, &val_lb))
4134 return -1;
4135 if (ec_read(addr + 1, &val_hb))
4136 return -1;
4137 *value = val_lb | (val_hb << 8);
4138 return 0;
4139}
4140
4141static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4142 unsigned long arg)
4143{
4144 int ret = 0;
4145 void __user *argp = (void __user *)arg;
4146 u8 val8;
4147 u16 val16;
4148 int value;
4149
4150 mutex_lock(&spic_dev.lock);
4151 switch (cmd) {
4152 case SONYPI_IOCGBRT:
4153 if (sony_bl_props.dev == NULL) {
4154 ret = -EIO;
4155 break;
4156 }
4157 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4158 &value)) {
4159 ret = -EIO;
4160 break;
4161 }
4162 val8 = ((value & 0xff) - 1) << 5;
4163 if (copy_to_user(argp, &val8, sizeof(val8)))
4164 ret = -EFAULT;
4165 break;
4166 case SONYPI_IOCSBRT:
4167 if (sony_bl_props.dev == NULL) {
4168 ret = -EIO;
4169 break;
4170 }
4171 if (copy_from_user(&val8, argp, sizeof(val8))) {
4172 ret = -EFAULT;
4173 break;
4174 }
4175 value = (val8 >> 5) + 1;
4176 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4177 NULL)) {
4178 ret = -EIO;
4179 break;
4180 }
4181 /* sync the backlight device status */
4182 sony_bl_props.dev->props.brightness =
4183 sony_backlight_get_brightness(sony_bl_props.dev);
4184 break;
4185 case SONYPI_IOCGBAT1CAP:
4186 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4187 ret = -EIO;
4188 break;
4189 }
4190 if (copy_to_user(argp, &val16, sizeof(val16)))
4191 ret = -EFAULT;
4192 break;
4193 case SONYPI_IOCGBAT1REM:
4194 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4195 ret = -EIO;
4196 break;
4197 }
4198 if (copy_to_user(argp, &val16, sizeof(val16)))
4199 ret = -EFAULT;
4200 break;
4201 case SONYPI_IOCGBAT2CAP:
4202 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4203 ret = -EIO;
4204 break;
4205 }
4206 if (copy_to_user(argp, &val16, sizeof(val16)))
4207 ret = -EFAULT;
4208 break;
4209 case SONYPI_IOCGBAT2REM:
4210 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4211 ret = -EIO;
4212 break;
4213 }
4214 if (copy_to_user(argp, &val16, sizeof(val16)))
4215 ret = -EFAULT;
4216 break;
4217 case SONYPI_IOCGBATFLAGS:
4218 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4219 ret = -EIO;
4220 break;
4221 }
4222 val8 &= 0x07;
4223 if (copy_to_user(argp, &val8, sizeof(val8)))
4224 ret = -EFAULT;
4225 break;
4226 case SONYPI_IOCGBLUE:
4227 val8 = spic_dev.bluetooth_power;
4228 if (copy_to_user(argp, &val8, sizeof(val8)))
4229 ret = -EFAULT;
4230 break;
4231 case SONYPI_IOCSBLUE:
4232 if (copy_from_user(&val8, argp, sizeof(val8))) {
4233 ret = -EFAULT;
4234 break;
4235 }
4236 __sony_pic_set_bluetoothpower(val8);
4237 break;
4238 /* FAN Controls */
4239 case SONYPI_IOCGFAN:
4240 if (sony_pic_get_fanspeed(&val8)) {
4241 ret = -EIO;
4242 break;
4243 }
4244 if (copy_to_user(argp, &val8, sizeof(val8)))
4245 ret = -EFAULT;
4246 break;
4247 case SONYPI_IOCSFAN:
4248 if (copy_from_user(&val8, argp, sizeof(val8))) {
4249 ret = -EFAULT;
4250 break;
4251 }
4252 if (sony_pic_set_fanspeed(val8))
4253 ret = -EIO;
4254 break;
4255 /* GET Temperature (useful under APM) */
4256 case SONYPI_IOCGTEMP:
4257 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4258 ret = -EIO;
4259 break;
4260 }
4261 if (copy_to_user(argp, &val8, sizeof(val8)))
4262 ret = -EFAULT;
4263 break;
4264 default:
4265 ret = -EINVAL;
4266 }
4267 mutex_unlock(&spic_dev.lock);
4268 return ret;
4269}
4270
4271static const struct file_operations sonypi_misc_fops = {
4272 .owner = THIS_MODULE,
4273 .read = sonypi_misc_read,
4274 .poll = sonypi_misc_poll,
4275 .open = sonypi_misc_open,
4276 .release = sonypi_misc_release,
4277 .fasync = sonypi_misc_fasync,
4278 .unlocked_ioctl = sonypi_misc_ioctl,
4279 .llseek = noop_llseek,
4280};
4281
4282static struct miscdevice sonypi_misc_device = {
4283 .minor = MISC_DYNAMIC_MINOR,
4284 .name = "sonypi",
4285 .fops = &sonypi_misc_fops,
4286};
4287
4288static void sonypi_compat_report_event(u8 event)
4289{
4290 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4291 sizeof(event), &sonypi_compat.fifo_lock);
4292 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4293 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4294}
4295
4296static int sonypi_compat_init(void)
4297{
4298 int error;
4299
4300 spin_lock_init(&sonypi_compat.fifo_lock);
4301 error =
4302 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4303 if (error) {
4304 pr_err("kfifo_alloc failed\n");
4305 return error;
4306 }
4307
4308 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4309
4310 if (minor != -1)
4311 sonypi_misc_device.minor = minor;
4312 error = misc_register(&sonypi_misc_device);
4313 if (error) {
4314 pr_err("misc_register failed\n");
4315 goto err_free_kfifo;
4316 }
4317 if (minor == -1)
4318 pr_info("device allocated minor is %d\n",
4319 sonypi_misc_device.minor);
4320
4321 return 0;
4322
4323err_free_kfifo:
4324 kfifo_free(&sonypi_compat.fifo);
4325 return error;
4326}
4327
4328static void sonypi_compat_exit(void)
4329{
4330 misc_deregister(&sonypi_misc_device);
4331 kfifo_free(&sonypi_compat.fifo);
4332}
4333#else
4334static int sonypi_compat_init(void) { return 0; }
4335static void sonypi_compat_exit(void) { }
4336static void sonypi_compat_report_event(u8 event) { }
4337#endif /* CONFIG_SONYPI_COMPAT */
4338
4339/*
4340 * ACPI callbacks
4341 */
4342static acpi_status
4343sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4344{
4345 u32 i;
4346 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4347
4348 switch (resource->type) {
4349 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4350 {
4351 /* start IO enumeration */
4352 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4353 if (!ioport)
4354 return AE_ERROR;
4355
4356 list_add(&ioport->list, &dev->ioports);
4357 return AE_OK;
4358 }
4359
4360 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4361 /* end IO enumeration */
4362 return AE_OK;
4363
4364 case ACPI_RESOURCE_TYPE_IRQ:
4365 {
4366 struct acpi_resource_irq *p = &resource->data.irq;
4367 struct sony_pic_irq *interrupt = NULL;
4368 if (!p || !p->interrupt_count) {
4369 /*
4370 * IRQ descriptors may have no IRQ# bits set,
4371 * particularly those those w/ _STA disabled
4372 */
4373 dprintk("Blank IRQ resource\n");
4374 return AE_OK;
4375 }
4376 for (i = 0; i < p->interrupt_count; i++) {
4377 if (!p->interrupts[i]) {
4378 pr_warn("Invalid IRQ %d\n",
4379 p->interrupts[i]);
4380 continue;
4381 }
4382 interrupt = kzalloc(sizeof(*interrupt),
4383 GFP_KERNEL);
4384 if (!interrupt)
4385 return AE_ERROR;
4386
4387 list_add(&interrupt->list, &dev->interrupts);
4388 interrupt->irq.triggering = p->triggering;
4389 interrupt->irq.polarity = p->polarity;
4390 interrupt->irq.sharable = p->sharable;
4391 interrupt->irq.interrupt_count = 1;
4392 interrupt->irq.interrupts[0] = p->interrupts[i];
4393 }
4394 return AE_OK;
4395 }
4396 case ACPI_RESOURCE_TYPE_IO:
4397 {
4398 struct acpi_resource_io *io = &resource->data.io;
4399 struct sony_pic_ioport *ioport =
4400 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4401 if (!io) {
4402 dprintk("Blank IO resource\n");
4403 return AE_OK;
4404 }
4405
4406 if (!ioport->io1.minimum) {
4407 memcpy(&ioport->io1, io, sizeof(*io));
4408 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4409 ioport->io1.address_length);
4410 }
4411 else if (!ioport->io2.minimum) {
4412 memcpy(&ioport->io2, io, sizeof(*io));
4413 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4414 ioport->io2.address_length);
4415 }
4416 else {
4417 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4418 return AE_ERROR;
4419 }
4420 return AE_OK;
4421 }
4422 default:
4423 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4424 resource->type);
4425
4426 case ACPI_RESOURCE_TYPE_END_TAG:
4427 return AE_OK;
4428 }
4429 return AE_CTRL_TERMINATE;
4430}
4431
4432static int sony_pic_possible_resources(struct acpi_device *device)
4433{
4434 int result = 0;
4435 acpi_status status = AE_OK;
4436
4437 if (!device)
4438 return -EINVAL;
4439
4440 /* get device status */
4441 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4442 dprintk("Evaluating _STA\n");
4443 result = acpi_bus_get_status(device);
4444 if (result) {
4445 pr_warn("Unable to read status\n");
4446 goto end;
4447 }
4448
4449 if (!device->status.enabled)
4450 dprintk("Device disabled\n");
4451 else
4452 dprintk("Device enabled\n");
4453
4454 /*
4455 * Query and parse 'method'
4456 */
4457 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4458 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4459 sony_pic_read_possible_resource, &spic_dev);
4460 if (ACPI_FAILURE(status)) {
4461 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4462 result = -ENODEV;
4463 }
4464end:
4465 return result;
4466}
4467
4468/*
4469 * Disable the spic device by calling its _DIS method
4470 */
4471static int sony_pic_disable(struct acpi_device *device)
4472{
4473 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4474 NULL);
4475
4476 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4477 return -ENXIO;
4478
4479 dprintk("Device disabled\n");
4480 return 0;
4481}
4482
4483
4484/*
4485 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4486 *
4487 * Call _SRS to set current resources
4488 */
4489static int sony_pic_enable(struct acpi_device *device,
4490 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4491{
4492 acpi_status status;
4493 int result = 0;
4494 /* Type 1 resource layout is:
4495 * IO
4496 * IO
4497 * IRQNoFlags
4498 * End
4499 *
4500 * Type 2 and 3 resource layout is:
4501 * IO
4502 * IRQNoFlags
4503 * End
4504 */
4505 struct {
4506 struct acpi_resource res1;
4507 struct acpi_resource res2;
4508 struct acpi_resource res3;
4509 struct acpi_resource res4;
4510 } *resource;
4511 struct acpi_buffer buffer = { 0, NULL };
4512
4513 if (!ioport || !irq)
4514 return -EINVAL;
4515
4516 /* init acpi_buffer */
4517 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4518 if (!resource)
4519 return -ENOMEM;
4520
4521 buffer.length = sizeof(*resource) + 1;
4522 buffer.pointer = resource;
4523
4524 /* setup Type 1 resources */
4525 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4526
4527 /* setup io resources */
4528 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4529 resource->res1.length = sizeof(struct acpi_resource);
4530 memcpy(&resource->res1.data.io, &ioport->io1,
4531 sizeof(struct acpi_resource_io));
4532
4533 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4534 resource->res2.length = sizeof(struct acpi_resource);
4535 memcpy(&resource->res2.data.io, &ioport->io2,
4536 sizeof(struct acpi_resource_io));
4537
4538 /* setup irq resource */
4539 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4540 resource->res3.length = sizeof(struct acpi_resource);
4541 memcpy(&resource->res3.data.irq, &irq->irq,
4542 sizeof(struct acpi_resource_irq));
4543 /* we requested a shared irq */
4544 resource->res3.data.irq.sharable = ACPI_SHARED;
4545
4546 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4547 resource->res4.length = sizeof(struct acpi_resource);
4548 }
4549 /* setup Type 2/3 resources */
4550 else {
4551 /* setup io resource */
4552 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4553 resource->res1.length = sizeof(struct acpi_resource);
4554 memcpy(&resource->res1.data.io, &ioport->io1,
4555 sizeof(struct acpi_resource_io));
4556
4557 /* setup irq resource */
4558 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4559 resource->res2.length = sizeof(struct acpi_resource);
4560 memcpy(&resource->res2.data.irq, &irq->irq,
4561 sizeof(struct acpi_resource_irq));
4562 /* we requested a shared irq */
4563 resource->res2.data.irq.sharable = ACPI_SHARED;
4564
4565 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4566 resource->res3.length = sizeof(struct acpi_resource);
4567 }
4568
4569 /* Attempt to set the resource */
4570 dprintk("Evaluating _SRS\n");
4571 status = acpi_set_current_resources(device->handle, &buffer);
4572
4573 /* check for total failure */
4574 if (ACPI_FAILURE(status)) {
4575 pr_err("Error evaluating _SRS\n");
4576 result = -ENODEV;
4577 goto end;
4578 }
4579
4580 /* Necessary device initializations calls (from sonypi) */
4581 sony_pic_call1(0x82);
4582 sony_pic_call2(0x81, 0xff);
4583 sony_pic_call1(compat ? 0x92 : 0x82);
4584
4585end:
4586 kfree(resource);
4587 return result;
4588}
4589
4590/*****************
4591 *
4592 * ISR: some event is available
4593 *
4594 *****************/
4595static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4596{
4597 int i, j;
4598 u8 ev = 0;
4599 u8 data_mask = 0;
4600 u8 device_event = 0;
4601
4602 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4603
4604 ev = inb_p(dev->cur_ioport->io1.minimum);
4605 if (dev->cur_ioport->io2.minimum)
4606 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4607 else
4608 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4609 dev->evport_offset);
4610
4611 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4612 ev, data_mask, dev->cur_ioport->io1.minimum,
4613 dev->evport_offset);
4614
4615 if (ev == 0x00 || ev == 0xff)
4616 return IRQ_HANDLED;
4617
4618 for (i = 0; dev->event_types[i].mask; i++) {
4619
4620 if ((data_mask & dev->event_types[i].data) !=
4621 dev->event_types[i].data)
4622 continue;
4623
4624 if (!(mask & dev->event_types[i].mask))
4625 continue;
4626
4627 for (j = 0; dev->event_types[i].events[j].event; j++) {
4628 if (ev == dev->event_types[i].events[j].data) {
4629 device_event =
4630 dev->event_types[i].events[j].event;
4631 /* some events may require ignoring */
4632 if (!device_event)
4633 return IRQ_HANDLED;
4634 goto found;
4635 }
4636 }
4637 }
4638 /* Still not able to decode the event try to pass
4639 * it over to the minidriver
4640 */
4641 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4642 return IRQ_HANDLED;
4643
4644 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4645 ev, data_mask, dev->cur_ioport->io1.minimum,
4646 dev->evport_offset);
4647 return IRQ_HANDLED;
4648
4649found:
4650 sony_laptop_report_input_event(device_event);
4651 sonypi_compat_report_event(device_event);
4652 return IRQ_HANDLED;
4653}
4654
4655/*****************
4656 *
4657 * ACPI driver
4658 *
4659 *****************/
4660static int sony_pic_remove(struct acpi_device *device)
4661{
4662 struct sony_pic_ioport *io, *tmp_io;
4663 struct sony_pic_irq *irq, *tmp_irq;
4664
4665 if (sony_pic_disable(device)) {
4666 pr_err("Couldn't disable device\n");
4667 return -ENXIO;
4668 }
4669
4670 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4671 release_region(spic_dev.cur_ioport->io1.minimum,
4672 spic_dev.cur_ioport->io1.address_length);
4673 if (spic_dev.cur_ioport->io2.minimum)
4674 release_region(spic_dev.cur_ioport->io2.minimum,
4675 spic_dev.cur_ioport->io2.address_length);
4676
4677 sonypi_compat_exit();
4678
4679 sony_laptop_remove_input();
4680
4681 /* pf attrs */
4682 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4683 sony_pf_remove();
4684
4685 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4686 list_del(&io->list);
4687 kfree(io);
4688 }
4689 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4690 list_del(&irq->list);
4691 kfree(irq);
4692 }
4693 spic_dev.cur_ioport = NULL;
4694 spic_dev.cur_irq = NULL;
4695
4696 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4697 return 0;
4698}
4699
4700static int sony_pic_add(struct acpi_device *device)
4701{
4702 int result;
4703 struct sony_pic_ioport *io, *tmp_io;
4704 struct sony_pic_irq *irq, *tmp_irq;
4705
4706 spic_dev.acpi_dev = device;
4707 strcpy(acpi_device_class(device), "sony/hotkey");
4708 sony_pic_detect_device_type(&spic_dev);
4709 mutex_init(&spic_dev.lock);
4710
4711 /* read _PRS resources */
4712 result = sony_pic_possible_resources(device);
4713 if (result) {
4714 pr_err("Unable to read possible resources\n");
4715 goto err_free_resources;
4716 }
4717
4718 /* setup input devices and helper fifo */
4719 result = sony_laptop_setup_input(device);
4720 if (result) {
4721 pr_err("Unable to create input devices\n");
4722 goto err_free_resources;
4723 }
4724
4725 result = sonypi_compat_init();
4726 if (result)
4727 goto err_remove_input;
4728
4729 /* request io port */
4730 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4731 if (request_region(io->io1.minimum, io->io1.address_length,
4732 "Sony Programmable I/O Device")) {
4733 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4734 io->io1.minimum, io->io1.maximum,
4735 io->io1.address_length);
4736 /* Type 1 have 2 ioports */
4737 if (io->io2.minimum) {
4738 if (request_region(io->io2.minimum,
4739 io->io2.address_length,
4740 "Sony Programmable I/O Device")) {
4741 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4742 io->io2.minimum, io->io2.maximum,
4743 io->io2.address_length);
4744 spic_dev.cur_ioport = io;
4745 break;
4746 }
4747 else {
4748 dprintk("Unable to get I/O port2: "
4749 "0x%.4x (0x%.4x) + 0x%.2x\n",
4750 io->io2.minimum, io->io2.maximum,
4751 io->io2.address_length);
4752 release_region(io->io1.minimum,
4753 io->io1.address_length);
4754 }
4755 }
4756 else {
4757 spic_dev.cur_ioport = io;
4758 break;
4759 }
4760 }
4761 }
4762 if (!spic_dev.cur_ioport) {
4763 pr_err("Failed to request_region\n");
4764 result = -ENODEV;
4765 goto err_remove_compat;
4766 }
4767
4768 /* request IRQ */
4769 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4770 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4771 0, "sony-laptop", &spic_dev)) {
4772 dprintk("IRQ: %d - triggering: %d - "
4773 "polarity: %d - shr: %d\n",
4774 irq->irq.interrupts[0],
4775 irq->irq.triggering,
4776 irq->irq.polarity,
4777 irq->irq.sharable);
4778 spic_dev.cur_irq = irq;
4779 break;
4780 }
4781 }
4782 if (!spic_dev.cur_irq) {
4783 pr_err("Failed to request_irq\n");
4784 result = -ENODEV;
4785 goto err_release_region;
4786 }
4787
4788 /* set resource status _SRS */
4789 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4790 if (result) {
4791 pr_err("Couldn't enable device\n");
4792 goto err_free_irq;
4793 }
4794
4795 spic_dev.bluetooth_power = -1;
4796 /* create device attributes */
4797 result = sony_pf_add();
4798 if (result)
4799 goto err_disable_device;
4800
4801 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4802 if (result)
4803 goto err_remove_pf;
4804
4805 pr_info("SPIC setup done.\n");
4806 return 0;
4807
4808err_remove_pf:
4809 sony_pf_remove();
4810
4811err_disable_device:
4812 sony_pic_disable(device);
4813
4814err_free_irq:
4815 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4816
4817err_release_region:
4818 release_region(spic_dev.cur_ioport->io1.minimum,
4819 spic_dev.cur_ioport->io1.address_length);
4820 if (spic_dev.cur_ioport->io2.minimum)
4821 release_region(spic_dev.cur_ioport->io2.minimum,
4822 spic_dev.cur_ioport->io2.address_length);
4823
4824err_remove_compat:
4825 sonypi_compat_exit();
4826
4827err_remove_input:
4828 sony_laptop_remove_input();
4829
4830err_free_resources:
4831 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4832 list_del(&io->list);
4833 kfree(io);
4834 }
4835 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4836 list_del(&irq->list);
4837 kfree(irq);
4838 }
4839 spic_dev.cur_ioport = NULL;
4840 spic_dev.cur_irq = NULL;
4841
4842 return result;
4843}
4844
4845#ifdef CONFIG_PM_SLEEP
4846static int sony_pic_suspend(struct device *dev)
4847{
4848 if (sony_pic_disable(to_acpi_device(dev)))
4849 return -ENXIO;
4850 return 0;
4851}
4852
4853static int sony_pic_resume(struct device *dev)
4854{
4855 sony_pic_enable(to_acpi_device(dev),
4856 spic_dev.cur_ioport, spic_dev.cur_irq);
4857 return 0;
4858}
4859#endif
4860
4861static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4862
4863static const struct acpi_device_id sony_pic_device_ids[] = {
4864 {SONY_PIC_HID, 0},
4865 {"", 0},
4866};
4867
4868static struct acpi_driver sony_pic_driver = {
4869 .name = SONY_PIC_DRIVER_NAME,
4870 .class = SONY_PIC_CLASS,
4871 .ids = sony_pic_device_ids,
4872 .owner = THIS_MODULE,
4873 .ops = {
4874 .add = sony_pic_add,
4875 .remove = sony_pic_remove,
4876 },
4877 .drv.pm = &sony_pic_pm,
4878};
4879
4880static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4881 {
4882 .ident = "Sony Vaio",
4883 .matches = {
4884 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4885 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4886 },
4887 },
4888 {
4889 .ident = "Sony Vaio",
4890 .matches = {
4891 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4892 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4893 },
4894 },
4895 { }
4896};
4897
4898static int __init sony_laptop_init(void)
4899{
4900 int result;
4901
4902 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4903 result = acpi_bus_register_driver(&sony_pic_driver);
4904 if (result) {
4905 pr_err("Unable to register SPIC driver\n");
4906 goto out;
4907 }
4908 spic_drv_registered = 1;
4909 }
4910
4911 result = acpi_bus_register_driver(&sony_nc_driver);
4912 if (result) {
4913 pr_err("Unable to register SNC driver\n");
4914 goto out_unregister_pic;
4915 }
4916
4917 return 0;
4918
4919out_unregister_pic:
4920 if (spic_drv_registered)
4921 acpi_bus_unregister_driver(&sony_pic_driver);
4922out:
4923 return result;
4924}
4925
4926static void __exit sony_laptop_exit(void)
4927{
4928 acpi_bus_unregister_driver(&sony_nc_driver);
4929 if (spic_drv_registered)
4930 acpi_bus_unregister_driver(&sony_pic_driver);
4931}
4932
4933module_init(sony_laptop_init);
4934module_exit(sony_laptop_exit);