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1/*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
46
47#include <linux/kernel.h>
48#include <linux/module.h>
49#include <linux/moduleparam.h>
50#include <linux/init.h>
51#include <linux/types.h>
52#include <linux/backlight.h>
53#include <linux/platform_device.h>
54#include <linux/err.h>
55#include <linux/dmi.h>
56#include <linux/pci.h>
57#include <linux/interrupt.h>
58#include <linux/delay.h>
59#include <linux/input.h>
60#include <linux/kfifo.h>
61#include <linux/workqueue.h>
62#include <linux/acpi.h>
63#include <linux/slab.h>
64#include <acpi/acpi_drivers.h>
65#include <acpi/acpi_bus.h>
66#include <asm/uaccess.h>
67#include <linux/sonypi.h>
68#include <linux/sony-laptop.h>
69#include <linux/rfkill.h>
70#ifdef CONFIG_SONYPI_COMPAT
71#include <linux/poll.h>
72#include <linux/miscdevice.h>
73#endif
74
75#define dprintk(fmt, ...) \
76do { \
77 if (debug) \
78 pr_warn(fmt, ##__VA_ARGS__); \
79} while (0)
80
81#define SONY_LAPTOP_DRIVER_VERSION "0.6"
82
83#define SONY_NC_CLASS "sony-nc"
84#define SONY_NC_HID "SNY5001"
85#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
86
87#define SONY_PIC_CLASS "sony-pic"
88#define SONY_PIC_HID "SNY6001"
89#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
90
91MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
92MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
93MODULE_LICENSE("GPL");
94MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
95
96static int debug;
97module_param(debug, int, 0);
98MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
99 "the development of this driver");
100
101static int no_spic; /* = 0 */
102module_param(no_spic, int, 0444);
103MODULE_PARM_DESC(no_spic,
104 "set this if you don't want to enable the SPIC device");
105
106static int compat; /* = 0 */
107module_param(compat, int, 0444);
108MODULE_PARM_DESC(compat,
109 "set this if you want to enable backward compatibility mode");
110
111static unsigned long mask = 0xffffffff;
112module_param(mask, ulong, 0644);
113MODULE_PARM_DESC(mask,
114 "set this to the mask of event you want to enable (see doc)");
115
116static int camera; /* = 0 */
117module_param(camera, int, 0444);
118MODULE_PARM_DESC(camera,
119 "set this to 1 to enable Motion Eye camera controls "
120 "(only use it if you have a C1VE or C1VN model)");
121
122#ifdef CONFIG_SONYPI_COMPAT
123static int minor = -1;
124module_param(minor, int, 0);
125MODULE_PARM_DESC(minor,
126 "minor number of the misc device for the SPIC compatibility code, "
127 "default is -1 (automatic)");
128#endif
129
130static int kbd_backlight; /* = 1 */
131module_param(kbd_backlight, int, 0444);
132MODULE_PARM_DESC(kbd_backlight,
133 "set this to 0 to disable keyboard backlight, "
134 "1 to enable it (default: 0)");
135
136static int kbd_backlight_timeout; /* = 0 */
137module_param(kbd_backlight_timeout, int, 0444);
138MODULE_PARM_DESC(kbd_backlight_timeout,
139 "set this to 0 to set the default 10 seconds timeout, "
140 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
141 "(default: 0)");
142
143static void sony_nc_kbd_backlight_resume(void);
144
145enum sony_nc_rfkill {
146 SONY_WIFI,
147 SONY_BLUETOOTH,
148 SONY_WWAN,
149 SONY_WIMAX,
150 N_SONY_RFKILL,
151};
152
153static int sony_rfkill_handle;
154static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
155static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
156static void sony_nc_rfkill_update(void);
157
158/*********** Input Devices ***********/
159
160#define SONY_LAPTOP_BUF_SIZE 128
161struct sony_laptop_input_s {
162 atomic_t users;
163 struct input_dev *jog_dev;
164 struct input_dev *key_dev;
165 struct kfifo fifo;
166 spinlock_t fifo_lock;
167 struct timer_list release_key_timer;
168};
169
170static struct sony_laptop_input_s sony_laptop_input = {
171 .users = ATOMIC_INIT(0),
172};
173
174struct sony_laptop_keypress {
175 struct input_dev *dev;
176 int key;
177};
178
179/* Correspondance table between sonypi events
180 * and input layer indexes in the keymap
181 */
182static int sony_laptop_input_index[] = {
183 -1, /* 0 no event */
184 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
185 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
186 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
187 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
188 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
189 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
190 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
191 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
192 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
193 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
194 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
195 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
196 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
197 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
198 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
199 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
200 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
201 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
202 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
203 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
204 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
205 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
206 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
207 17, /* 24 SONYPI_EVENT_FNKEY_1 */
208 18, /* 25 SONYPI_EVENT_FNKEY_2 */
209 19, /* 26 SONYPI_EVENT_FNKEY_D */
210 20, /* 27 SONYPI_EVENT_FNKEY_E */
211 21, /* 28 SONYPI_EVENT_FNKEY_F */
212 22, /* 29 SONYPI_EVENT_FNKEY_S */
213 23, /* 30 SONYPI_EVENT_FNKEY_B */
214 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
215 25, /* 32 SONYPI_EVENT_PKEY_P1 */
216 26, /* 33 SONYPI_EVENT_PKEY_P2 */
217 27, /* 34 SONYPI_EVENT_PKEY_P3 */
218 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
219 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
220 -1, /* 37 SONYPI_EVENT_LID_OPENED */
221 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
222 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
223 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
224 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
225 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
226 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
227 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
228 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
229 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
230 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
231 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
232 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
233 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
234 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
235 43, /* 52 SONYPI_EVENT_MEYE_FACE */
236 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
237 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
238 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
239 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
240 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
241 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
242 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
243 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
244 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
245 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
246 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
247 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
248 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
249 53, /* 66 SONYPI_EVENT_PKEY_P4 */
250 54, /* 67 SONYPI_EVENT_PKEY_P5 */
251 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
252 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
253 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
254 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
255 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
256 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
257};
258
259static int sony_laptop_input_keycode_map[] = {
260 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
261 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
262 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
263 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
264 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
265 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
266 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
267 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
268 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
269 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
270 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
271 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
272 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
273 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
274 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
275 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
276 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
277 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
278 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
279 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
280 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
281 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
282 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
283 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
284 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
285 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
286 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
287 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
288 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
289 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
290 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
291 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
292 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
293 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
294 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
295 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
296 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
297 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
298 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
299 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
300 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
301 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
302 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
303 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
304 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
305 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
306 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
307 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
308 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
309 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
310 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
311 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
312 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
313 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
314 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
315 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
316 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
317 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
318 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
319 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
320};
321
322/* release buttons after a short delay if pressed */
323static void do_sony_laptop_release_key(unsigned long unused)
324{
325 struct sony_laptop_keypress kp;
326 unsigned long flags;
327
328 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
329
330 if (kfifo_out(&sony_laptop_input.fifo,
331 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
332 input_report_key(kp.dev, kp.key, 0);
333 input_sync(kp.dev);
334 }
335
336 /* If there is something in the fifo schedule next release. */
337 if (kfifo_len(&sony_laptop_input.fifo) != 0)
338 mod_timer(&sony_laptop_input.release_key_timer,
339 jiffies + msecs_to_jiffies(10));
340
341 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
342}
343
344/* forward event to the input subsystem */
345static void sony_laptop_report_input_event(u8 event)
346{
347 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
348 struct input_dev *key_dev = sony_laptop_input.key_dev;
349 struct sony_laptop_keypress kp = { NULL };
350
351 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
352 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
353 /* Nothing, not all VAIOs generate this event */
354 return;
355 }
356
357 /* report events */
358 switch (event) {
359 /* jog_dev events */
360 case SONYPI_EVENT_JOGDIAL_UP:
361 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
362 input_report_rel(jog_dev, REL_WHEEL, 1);
363 input_sync(jog_dev);
364 return;
365
366 case SONYPI_EVENT_JOGDIAL_DOWN:
367 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
368 input_report_rel(jog_dev, REL_WHEEL, -1);
369 input_sync(jog_dev);
370 return;
371
372 /* key_dev events */
373 case SONYPI_EVENT_JOGDIAL_PRESSED:
374 kp.key = BTN_MIDDLE;
375 kp.dev = jog_dev;
376 break;
377
378 default:
379 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
380 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
381 break;
382 }
383 if (sony_laptop_input_index[event] != -1) {
384 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
385 if (kp.key != KEY_UNKNOWN)
386 kp.dev = key_dev;
387 }
388 break;
389 }
390
391 if (kp.dev) {
392 input_report_key(kp.dev, kp.key, 1);
393 /* we emit the scancode so we can always remap the key */
394 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
395 input_sync(kp.dev);
396
397 /* schedule key release */
398 kfifo_in_locked(&sony_laptop_input.fifo,
399 (unsigned char *)&kp, sizeof(kp),
400 &sony_laptop_input.fifo_lock);
401 mod_timer(&sony_laptop_input.release_key_timer,
402 jiffies + msecs_to_jiffies(10));
403 } else
404 dprintk("unknown input event %.2x\n", event);
405}
406
407static int sony_laptop_setup_input(struct acpi_device *acpi_device)
408{
409 struct input_dev *jog_dev;
410 struct input_dev *key_dev;
411 int i;
412 int error;
413
414 /* don't run again if already initialized */
415 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
416 return 0;
417
418 /* kfifo */
419 spin_lock_init(&sony_laptop_input.fifo_lock);
420 error = kfifo_alloc(&sony_laptop_input.fifo,
421 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
422 if (error) {
423 pr_err("kfifo_alloc failed\n");
424 goto err_dec_users;
425 }
426
427 setup_timer(&sony_laptop_input.release_key_timer,
428 do_sony_laptop_release_key, 0);
429
430 /* input keys */
431 key_dev = input_allocate_device();
432 if (!key_dev) {
433 error = -ENOMEM;
434 goto err_free_kfifo;
435 }
436
437 key_dev->name = "Sony Vaio Keys";
438 key_dev->id.bustype = BUS_ISA;
439 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
440 key_dev->dev.parent = &acpi_device->dev;
441
442 /* Initialize the Input Drivers: special keys */
443 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
444
445 __set_bit(EV_KEY, key_dev->evbit);
446 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
447 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
448 key_dev->keycode = &sony_laptop_input_keycode_map;
449 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
450 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
451 __clear_bit(KEY_RESERVED, key_dev->keybit);
452
453 error = input_register_device(key_dev);
454 if (error)
455 goto err_free_keydev;
456
457 sony_laptop_input.key_dev = key_dev;
458
459 /* jogdial */
460 jog_dev = input_allocate_device();
461 if (!jog_dev) {
462 error = -ENOMEM;
463 goto err_unregister_keydev;
464 }
465
466 jog_dev->name = "Sony Vaio Jogdial";
467 jog_dev->id.bustype = BUS_ISA;
468 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
469 key_dev->dev.parent = &acpi_device->dev;
470
471 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
472 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
473
474 error = input_register_device(jog_dev);
475 if (error)
476 goto err_free_jogdev;
477
478 sony_laptop_input.jog_dev = jog_dev;
479
480 return 0;
481
482err_free_jogdev:
483 input_free_device(jog_dev);
484
485err_unregister_keydev:
486 input_unregister_device(key_dev);
487 /* to avoid kref underflow below at input_free_device */
488 key_dev = NULL;
489
490err_free_keydev:
491 input_free_device(key_dev);
492
493err_free_kfifo:
494 kfifo_free(&sony_laptop_input.fifo);
495
496err_dec_users:
497 atomic_dec(&sony_laptop_input.users);
498 return error;
499}
500
501static void sony_laptop_remove_input(void)
502{
503 struct sony_laptop_keypress kp = { NULL };
504
505 /* Cleanup only after the last user has gone */
506 if (!atomic_dec_and_test(&sony_laptop_input.users))
507 return;
508
509 del_timer_sync(&sony_laptop_input.release_key_timer);
510
511 /*
512 * Generate key-up events for remaining keys. Note that we don't
513 * need locking since nobody is adding new events to the kfifo.
514 */
515 while (kfifo_out(&sony_laptop_input.fifo,
516 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
517 input_report_key(kp.dev, kp.key, 0);
518 input_sync(kp.dev);
519 }
520
521 /* destroy input devs */
522 input_unregister_device(sony_laptop_input.key_dev);
523 sony_laptop_input.key_dev = NULL;
524
525 if (sony_laptop_input.jog_dev) {
526 input_unregister_device(sony_laptop_input.jog_dev);
527 sony_laptop_input.jog_dev = NULL;
528 }
529
530 kfifo_free(&sony_laptop_input.fifo);
531}
532
533/*********** Platform Device ***********/
534
535static atomic_t sony_pf_users = ATOMIC_INIT(0);
536static struct platform_driver sony_pf_driver = {
537 .driver = {
538 .name = "sony-laptop",
539 .owner = THIS_MODULE,
540 }
541};
542static struct platform_device *sony_pf_device;
543
544static int sony_pf_add(void)
545{
546 int ret = 0;
547
548 /* don't run again if already initialized */
549 if (atomic_add_return(1, &sony_pf_users) > 1)
550 return 0;
551
552 ret = platform_driver_register(&sony_pf_driver);
553 if (ret)
554 goto out;
555
556 sony_pf_device = platform_device_alloc("sony-laptop", -1);
557 if (!sony_pf_device) {
558 ret = -ENOMEM;
559 goto out_platform_registered;
560 }
561
562 ret = platform_device_add(sony_pf_device);
563 if (ret)
564 goto out_platform_alloced;
565
566 return 0;
567
568 out_platform_alloced:
569 platform_device_put(sony_pf_device);
570 sony_pf_device = NULL;
571 out_platform_registered:
572 platform_driver_unregister(&sony_pf_driver);
573 out:
574 atomic_dec(&sony_pf_users);
575 return ret;
576}
577
578static void sony_pf_remove(void)
579{
580 /* deregister only after the last user has gone */
581 if (!atomic_dec_and_test(&sony_pf_users))
582 return;
583
584 platform_device_unregister(sony_pf_device);
585 platform_driver_unregister(&sony_pf_driver);
586}
587
588/*********** SNC (SNY5001) Device ***********/
589
590/* the device uses 1-based values, while the backlight subsystem uses
591 0-based values */
592#define SONY_MAX_BRIGHTNESS 8
593
594#define SNC_VALIDATE_IN 0
595#define SNC_VALIDATE_OUT 1
596
597static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
598 char *);
599static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
600 const char *, size_t);
601static int boolean_validate(const int, const int);
602static int brightness_default_validate(const int, const int);
603
604struct sony_nc_value {
605 char *name; /* name of the entry */
606 char **acpiget; /* names of the ACPI get function */
607 char **acpiset; /* names of the ACPI set function */
608 int (*validate)(const int, const int); /* input/output validation */
609 int value; /* current setting */
610 int valid; /* Has ever been set */
611 int debug; /* active only in debug mode ? */
612 struct device_attribute devattr; /* sysfs attribute */
613};
614
615#define SNC_HANDLE_NAMES(_name, _values...) \
616 static char *snc_##_name[] = { _values, NULL }
617
618#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
619 { \
620 .name = __stringify(_name), \
621 .acpiget = _getters, \
622 .acpiset = _setters, \
623 .validate = _validate, \
624 .debug = _debug, \
625 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
626 }
627
628#define SNC_HANDLE_NULL { .name = NULL }
629
630SNC_HANDLE_NAMES(fnkey_get, "GHKE");
631
632SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
633SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
634
635SNC_HANDLE_NAMES(cdpower_get, "GCDP");
636SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
637
638SNC_HANDLE_NAMES(audiopower_get, "GAZP");
639SNC_HANDLE_NAMES(audiopower_set, "AZPW");
640
641SNC_HANDLE_NAMES(lanpower_get, "GLNP");
642SNC_HANDLE_NAMES(lanpower_set, "LNPW");
643
644SNC_HANDLE_NAMES(lidstate_get, "GLID");
645
646SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
647SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
648
649SNC_HANDLE_NAMES(gainbass_get, "GMGB");
650SNC_HANDLE_NAMES(gainbass_set, "CMGB");
651
652SNC_HANDLE_NAMES(PID_get, "GPID");
653
654SNC_HANDLE_NAMES(CTR_get, "GCTR");
655SNC_HANDLE_NAMES(CTR_set, "SCTR");
656
657SNC_HANDLE_NAMES(PCR_get, "GPCR");
658SNC_HANDLE_NAMES(PCR_set, "SPCR");
659
660SNC_HANDLE_NAMES(CMI_get, "GCMI");
661SNC_HANDLE_NAMES(CMI_set, "SCMI");
662
663static struct sony_nc_value sony_nc_values[] = {
664 SNC_HANDLE(brightness_default, snc_brightness_def_get,
665 snc_brightness_def_set, brightness_default_validate, 0),
666 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
667 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
668 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
669 boolean_validate, 0),
670 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
671 boolean_validate, 1),
672 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
673 boolean_validate, 0),
674 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
675 boolean_validate, 0),
676 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
677 boolean_validate, 0),
678 /* unknown methods */
679 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
680 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
681 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
682 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
683 SNC_HANDLE_NULL
684};
685
686static acpi_handle sony_nc_acpi_handle;
687static struct acpi_device *sony_nc_acpi_device = NULL;
688
689/*
690 * acpi_evaluate_object wrappers
691 */
692static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
693{
694 struct acpi_buffer output;
695 union acpi_object out_obj;
696 acpi_status status;
697
698 output.length = sizeof(out_obj);
699 output.pointer = &out_obj;
700
701 status = acpi_evaluate_object(handle, name, NULL, &output);
702 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
703 *result = out_obj.integer.value;
704 return 0;
705 }
706
707 pr_warn("acpi_callreadfunc failed\n");
708
709 return -1;
710}
711
712static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
713 int *result)
714{
715 struct acpi_object_list params;
716 union acpi_object in_obj;
717 struct acpi_buffer output;
718 union acpi_object out_obj;
719 acpi_status status;
720
721 params.count = 1;
722 params.pointer = &in_obj;
723 in_obj.type = ACPI_TYPE_INTEGER;
724 in_obj.integer.value = value;
725
726 output.length = sizeof(out_obj);
727 output.pointer = &out_obj;
728
729 status = acpi_evaluate_object(handle, name, ¶ms, &output);
730 if (status == AE_OK) {
731 if (result != NULL) {
732 if (out_obj.type != ACPI_TYPE_INTEGER) {
733 pr_warn("acpi_evaluate_object bad return type\n");
734 return -1;
735 }
736 *result = out_obj.integer.value;
737 }
738 return 0;
739 }
740
741 pr_warn("acpi_evaluate_object failed\n");
742
743 return -1;
744}
745
746struct sony_nc_handles {
747 u16 cap[0x10];
748 struct device_attribute devattr;
749};
750
751static struct sony_nc_handles *handles;
752
753static ssize_t sony_nc_handles_show(struct device *dev,
754 struct device_attribute *attr, char *buffer)
755{
756 ssize_t len = 0;
757 int i;
758
759 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
760 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
761 handles->cap[i]);
762 }
763 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
764
765 return len;
766}
767
768static int sony_nc_handles_setup(struct platform_device *pd)
769{
770 int i;
771 int result;
772
773 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
774 if (!handles)
775 return -ENOMEM;
776
777 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
778 if (!acpi_callsetfunc(sony_nc_acpi_handle,
779 "SN00", i + 0x20, &result)) {
780 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
781 result, i);
782 handles->cap[i] = result;
783 }
784 }
785
786 if (debug) {
787 sysfs_attr_init(&handles->devattr.attr);
788 handles->devattr.attr.name = "handles";
789 handles->devattr.attr.mode = S_IRUGO;
790 handles->devattr.show = sony_nc_handles_show;
791
792 /* allow reading capabilities via sysfs */
793 if (device_create_file(&pd->dev, &handles->devattr)) {
794 kfree(handles);
795 handles = NULL;
796 return -1;
797 }
798 }
799
800 return 0;
801}
802
803static int sony_nc_handles_cleanup(struct platform_device *pd)
804{
805 if (handles) {
806 if (debug)
807 device_remove_file(&pd->dev, &handles->devattr);
808 kfree(handles);
809 handles = NULL;
810 }
811 return 0;
812}
813
814static int sony_find_snc_handle(int handle)
815{
816 int i;
817
818 /* not initialized yet, return early */
819 if (!handles)
820 return -1;
821
822 for (i = 0; i < 0x10; i++) {
823 if (handles->cap[i] == handle) {
824 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
825 handle, i);
826 return i;
827 }
828 }
829 dprintk("handle 0x%.4x not found\n", handle);
830 return -1;
831}
832
833static int sony_call_snc_handle(int handle, int argument, int *result)
834{
835 int ret = 0;
836 int offset = sony_find_snc_handle(handle);
837
838 if (offset < 0)
839 return -1;
840
841 ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
842 result);
843 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
844 *result);
845 return ret;
846}
847
848/*
849 * sony_nc_values input/output validate functions
850 */
851
852/* brightness_default_validate:
853 *
854 * manipulate input output values to keep consistency with the
855 * backlight framework for which brightness values are 0-based.
856 */
857static int brightness_default_validate(const int direction, const int value)
858{
859 switch (direction) {
860 case SNC_VALIDATE_OUT:
861 return value - 1;
862 case SNC_VALIDATE_IN:
863 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
864 return value + 1;
865 }
866 return -EINVAL;
867}
868
869/* boolean_validate:
870 *
871 * on input validate boolean values 0/1, on output just pass the
872 * received value.
873 */
874static int boolean_validate(const int direction, const int value)
875{
876 if (direction == SNC_VALIDATE_IN) {
877 if (value != 0 && value != 1)
878 return -EINVAL;
879 }
880 return value;
881}
882
883/*
884 * Sysfs show/store common to all sony_nc_values
885 */
886static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
887 char *buffer)
888{
889 int value;
890 struct sony_nc_value *item =
891 container_of(attr, struct sony_nc_value, devattr);
892
893 if (!*item->acpiget)
894 return -EIO;
895
896 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
897 return -EIO;
898
899 if (item->validate)
900 value = item->validate(SNC_VALIDATE_OUT, value);
901
902 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
903}
904
905static ssize_t sony_nc_sysfs_store(struct device *dev,
906 struct device_attribute *attr,
907 const char *buffer, size_t count)
908{
909 int value;
910 struct sony_nc_value *item =
911 container_of(attr, struct sony_nc_value, devattr);
912
913 if (!item->acpiset)
914 return -EIO;
915
916 if (count > 31)
917 return -EINVAL;
918
919 value = simple_strtoul(buffer, NULL, 10);
920
921 if (item->validate)
922 value = item->validate(SNC_VALIDATE_IN, value);
923
924 if (value < 0)
925 return value;
926
927 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
928 return -EIO;
929 item->value = value;
930 item->valid = 1;
931 return count;
932}
933
934
935/*
936 * Backlight device
937 */
938struct sony_backlight_props {
939 struct backlight_device *dev;
940 int handle;
941 u8 offset;
942 u8 maxlvl;
943};
944struct sony_backlight_props sony_bl_props;
945
946static int sony_backlight_update_status(struct backlight_device *bd)
947{
948 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
949 bd->props.brightness + 1, NULL);
950}
951
952static int sony_backlight_get_brightness(struct backlight_device *bd)
953{
954 int value;
955
956 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
957 return 0;
958 /* brightness levels are 1-based, while backlight ones are 0-based */
959 return value - 1;
960}
961
962static int sony_nc_get_brightness_ng(struct backlight_device *bd)
963{
964 int result;
965 struct sony_backlight_props *sdev =
966 (struct sony_backlight_props *)bl_get_data(bd);
967
968 sony_call_snc_handle(sdev->handle, 0x0200, &result);
969
970 return (result & 0xff) - sdev->offset;
971}
972
973static int sony_nc_update_status_ng(struct backlight_device *bd)
974{
975 int value, result;
976 struct sony_backlight_props *sdev =
977 (struct sony_backlight_props *)bl_get_data(bd);
978
979 value = bd->props.brightness + sdev->offset;
980 if (sony_call_snc_handle(sdev->handle, 0x0100 | (value << 16), &result))
981 return -EIO;
982
983 return value;
984}
985
986static const struct backlight_ops sony_backlight_ops = {
987 .options = BL_CORE_SUSPENDRESUME,
988 .update_status = sony_backlight_update_status,
989 .get_brightness = sony_backlight_get_brightness,
990};
991static const struct backlight_ops sony_backlight_ng_ops = {
992 .options = BL_CORE_SUSPENDRESUME,
993 .update_status = sony_nc_update_status_ng,
994 .get_brightness = sony_nc_get_brightness_ng,
995};
996
997/*
998 * New SNC-only Vaios event mapping to driver known keys
999 */
1000struct sony_nc_event {
1001 u8 data;
1002 u8 event;
1003};
1004
1005static struct sony_nc_event sony_100_events[] = {
1006 { 0x90, SONYPI_EVENT_PKEY_P1 },
1007 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1008 { 0x91, SONYPI_EVENT_PKEY_P2 },
1009 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1010 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1011 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1012 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1013 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1014 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1015 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1016 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1017 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1018 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1019 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1020 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1021 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1022 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1023 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1024 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1025 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1026 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1027 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1028 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1029 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1030 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1031 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1032 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1033 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1034 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1035 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1036 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1037 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1038 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1039 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1040 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1041 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1042 { 0, 0 },
1043};
1044
1045static struct sony_nc_event sony_127_events[] = {
1046 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1047 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1048 { 0x82, SONYPI_EVENT_PKEY_P1 },
1049 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1050 { 0x83, SONYPI_EVENT_PKEY_P2 },
1051 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1052 { 0x84, SONYPI_EVENT_PKEY_P3 },
1053 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1054 { 0x85, SONYPI_EVENT_PKEY_P4 },
1055 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1056 { 0x86, SONYPI_EVENT_PKEY_P5 },
1057 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1058 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1059 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1060 { 0, 0 },
1061};
1062
1063/*
1064 * ACPI callbacks
1065 */
1066static void sony_nc_notify(struct acpi_device *device, u32 event)
1067{
1068 u32 ev = event;
1069
1070 if (ev >= 0x90) {
1071 /* New-style event */
1072 int result;
1073 int key_handle = 0;
1074 ev -= 0x90;
1075
1076 if (sony_find_snc_handle(0x100) == ev)
1077 key_handle = 0x100;
1078 if (sony_find_snc_handle(0x127) == ev)
1079 key_handle = 0x127;
1080
1081 if (key_handle) {
1082 struct sony_nc_event *key_event;
1083
1084 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
1085 dprintk("sony_nc_notify, unable to decode"
1086 " event 0x%.2x 0x%.2x\n", key_handle,
1087 ev);
1088 /* restore the original event */
1089 ev = event;
1090 } else {
1091 ev = result & 0xFF;
1092
1093 if (key_handle == 0x100)
1094 key_event = sony_100_events;
1095 else
1096 key_event = sony_127_events;
1097
1098 for (; key_event->data; key_event++) {
1099 if (key_event->data == ev) {
1100 ev = key_event->event;
1101 break;
1102 }
1103 }
1104
1105 if (!key_event->data)
1106 pr_info("Unknown event: 0x%x 0x%x\n",
1107 key_handle, ev);
1108 else
1109 sony_laptop_report_input_event(ev);
1110 }
1111 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
1112 sony_nc_rfkill_update();
1113 return;
1114 }
1115 } else
1116 sony_laptop_report_input_event(ev);
1117
1118 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
1119 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
1120}
1121
1122static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1123 void *context, void **return_value)
1124{
1125 struct acpi_device_info *info;
1126
1127 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1128 pr_warn("method: name: %4.4s, args %X\n",
1129 (char *)&info->name, info->param_count);
1130
1131 kfree(info);
1132 }
1133
1134 return AE_OK;
1135}
1136
1137/*
1138 * ACPI device
1139 */
1140static int sony_nc_function_setup(struct acpi_device *device)
1141{
1142 int result;
1143
1144 /* Enable all events */
1145 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1146
1147 /* Setup hotkeys */
1148 sony_call_snc_handle(0x0100, 0, &result);
1149 sony_call_snc_handle(0x0101, 0, &result);
1150 sony_call_snc_handle(0x0102, 0x100, &result);
1151 sony_call_snc_handle(0x0127, 0, &result);
1152
1153 return 0;
1154}
1155
1156static int sony_nc_resume(struct acpi_device *device)
1157{
1158 struct sony_nc_value *item;
1159 acpi_handle handle;
1160
1161 for (item = sony_nc_values; item->name; item++) {
1162 int ret;
1163
1164 if (!item->valid)
1165 continue;
1166 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1167 item->value, NULL);
1168 if (ret < 0) {
1169 pr_err("%s: %d\n", __func__, ret);
1170 break;
1171 }
1172 }
1173
1174 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1175 &handle))) {
1176 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1177 dprintk("ECON Method failed\n");
1178 }
1179
1180 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1181 &handle))) {
1182 dprintk("Doing SNC setup\n");
1183 sony_nc_function_setup(device);
1184 }
1185
1186 /* re-read rfkill state */
1187 sony_nc_rfkill_update();
1188
1189 /* restore kbd backlight states */
1190 sony_nc_kbd_backlight_resume();
1191
1192 return 0;
1193}
1194
1195static void sony_nc_rfkill_cleanup(void)
1196{
1197 int i;
1198
1199 for (i = 0; i < N_SONY_RFKILL; i++) {
1200 if (sony_rfkill_devices[i]) {
1201 rfkill_unregister(sony_rfkill_devices[i]);
1202 rfkill_destroy(sony_rfkill_devices[i]);
1203 }
1204 }
1205}
1206
1207static int sony_nc_rfkill_set(void *data, bool blocked)
1208{
1209 int result;
1210 int argument = sony_rfkill_address[(long) data] + 0x100;
1211
1212 if (!blocked)
1213 argument |= 0xff0000;
1214
1215 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1216}
1217
1218static const struct rfkill_ops sony_rfkill_ops = {
1219 .set_block = sony_nc_rfkill_set,
1220};
1221
1222static int sony_nc_setup_rfkill(struct acpi_device *device,
1223 enum sony_nc_rfkill nc_type)
1224{
1225 int err = 0;
1226 struct rfkill *rfk;
1227 enum rfkill_type type;
1228 const char *name;
1229 int result;
1230 bool hwblock;
1231
1232 switch (nc_type) {
1233 case SONY_WIFI:
1234 type = RFKILL_TYPE_WLAN;
1235 name = "sony-wifi";
1236 break;
1237 case SONY_BLUETOOTH:
1238 type = RFKILL_TYPE_BLUETOOTH;
1239 name = "sony-bluetooth";
1240 break;
1241 case SONY_WWAN:
1242 type = RFKILL_TYPE_WWAN;
1243 name = "sony-wwan";
1244 break;
1245 case SONY_WIMAX:
1246 type = RFKILL_TYPE_WIMAX;
1247 name = "sony-wimax";
1248 break;
1249 default:
1250 return -EINVAL;
1251 }
1252
1253 rfk = rfkill_alloc(name, &device->dev, type,
1254 &sony_rfkill_ops, (void *)nc_type);
1255 if (!rfk)
1256 return -ENOMEM;
1257
1258 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1259 hwblock = !(result & 0x1);
1260 rfkill_set_hw_state(rfk, hwblock);
1261
1262 err = rfkill_register(rfk);
1263 if (err) {
1264 rfkill_destroy(rfk);
1265 return err;
1266 }
1267 sony_rfkill_devices[nc_type] = rfk;
1268 return err;
1269}
1270
1271static void sony_nc_rfkill_update(void)
1272{
1273 enum sony_nc_rfkill i;
1274 int result;
1275 bool hwblock;
1276
1277 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1278 hwblock = !(result & 0x1);
1279
1280 for (i = 0; i < N_SONY_RFKILL; i++) {
1281 int argument = sony_rfkill_address[i];
1282
1283 if (!sony_rfkill_devices[i])
1284 continue;
1285
1286 if (hwblock) {
1287 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1288 /* we already know we're blocked */
1289 }
1290 continue;
1291 }
1292
1293 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1294 rfkill_set_states(sony_rfkill_devices[i],
1295 !(result & 0xf), false);
1296 }
1297}
1298
1299static void sony_nc_rfkill_setup(struct acpi_device *device)
1300{
1301 int offset;
1302 u8 dev_code, i;
1303 acpi_status status;
1304 struct acpi_object_list params;
1305 union acpi_object in_obj;
1306 union acpi_object *device_enum;
1307 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1308
1309 offset = sony_find_snc_handle(0x124);
1310 if (offset == -1) {
1311 offset = sony_find_snc_handle(0x135);
1312 if (offset == -1)
1313 return;
1314 else
1315 sony_rfkill_handle = 0x135;
1316 } else
1317 sony_rfkill_handle = 0x124;
1318 dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1319
1320 /* need to read the whole buffer returned by the acpi call to SN06
1321 * here otherwise we may miss some features
1322 */
1323 params.count = 1;
1324 params.pointer = &in_obj;
1325 in_obj.type = ACPI_TYPE_INTEGER;
1326 in_obj.integer.value = offset;
1327 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", ¶ms,
1328 &buffer);
1329 if (ACPI_FAILURE(status)) {
1330 dprintk("Radio device enumeration failed\n");
1331 return;
1332 }
1333
1334 device_enum = (union acpi_object *) buffer.pointer;
1335 if (!device_enum) {
1336 pr_err("No SN06 return object\n");
1337 goto out_no_enum;
1338 }
1339 if (device_enum->type != ACPI_TYPE_BUFFER) {
1340 pr_err("Invalid SN06 return object 0x%.2x\n",
1341 device_enum->type);
1342 goto out_no_enum;
1343 }
1344
1345 /* the buffer is filled with magic numbers describing the devices
1346 * available, 0xff terminates the enumeration
1347 */
1348 for (i = 0; i < device_enum->buffer.length; i++) {
1349
1350 dev_code = *(device_enum->buffer.pointer + i);
1351 if (dev_code == 0xff)
1352 break;
1353
1354 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1355
1356 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1357 sony_nc_setup_rfkill(device, SONY_WIFI);
1358
1359 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1360 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1361
1362 if ((0xf0 & dev_code) == 0x20 &&
1363 !sony_rfkill_devices[SONY_WWAN])
1364 sony_nc_setup_rfkill(device, SONY_WWAN);
1365
1366 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1367 sony_nc_setup_rfkill(device, SONY_WIMAX);
1368 }
1369
1370out_no_enum:
1371 kfree(buffer.pointer);
1372 return;
1373}
1374
1375/* Keyboard backlight feature */
1376#define KBDBL_HANDLER 0x137
1377#define KBDBL_PRESENT 0xB00
1378#define SET_MODE 0xC00
1379#define SET_STATE 0xD00
1380#define SET_TIMEOUT 0xE00
1381
1382struct kbd_backlight {
1383 int mode;
1384 int timeout;
1385 struct device_attribute mode_attr;
1386 struct device_attribute timeout_attr;
1387};
1388
1389static struct kbd_backlight *kbdbl_handle;
1390
1391static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1392{
1393 int result;
1394
1395 if (value > 1)
1396 return -EINVAL;
1397
1398 if (sony_call_snc_handle(KBDBL_HANDLER,
1399 (value << 0x10) | SET_MODE, &result))
1400 return -EIO;
1401
1402 /* Try to turn the light on/off immediately */
1403 sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
1404 &result);
1405
1406 kbdbl_handle->mode = value;
1407
1408 return 0;
1409}
1410
1411static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1412 struct device_attribute *attr,
1413 const char *buffer, size_t count)
1414{
1415 int ret = 0;
1416 unsigned long value;
1417
1418 if (count > 31)
1419 return -EINVAL;
1420
1421 if (strict_strtoul(buffer, 10, &value))
1422 return -EINVAL;
1423
1424 ret = __sony_nc_kbd_backlight_mode_set(value);
1425 if (ret < 0)
1426 return ret;
1427
1428 return count;
1429}
1430
1431static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1432 struct device_attribute *attr, char *buffer)
1433{
1434 ssize_t count = 0;
1435 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
1436 return count;
1437}
1438
1439static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1440{
1441 int result;
1442
1443 if (value > 3)
1444 return -EINVAL;
1445
1446 if (sony_call_snc_handle(KBDBL_HANDLER,
1447 (value << 0x10) | SET_TIMEOUT, &result))
1448 return -EIO;
1449
1450 kbdbl_handle->timeout = value;
1451
1452 return 0;
1453}
1454
1455static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1456 struct device_attribute *attr,
1457 const char *buffer, size_t count)
1458{
1459 int ret = 0;
1460 unsigned long value;
1461
1462 if (count > 31)
1463 return -EINVAL;
1464
1465 if (strict_strtoul(buffer, 10, &value))
1466 return -EINVAL;
1467
1468 ret = __sony_nc_kbd_backlight_timeout_set(value);
1469 if (ret < 0)
1470 return ret;
1471
1472 return count;
1473}
1474
1475static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1476 struct device_attribute *attr, char *buffer)
1477{
1478 ssize_t count = 0;
1479 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
1480 return count;
1481}
1482
1483static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
1484{
1485 int result;
1486
1487 if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
1488 return 0;
1489 if (!(result & 0x02))
1490 return 0;
1491
1492 kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
1493 if (!kbdbl_handle)
1494 return -ENOMEM;
1495
1496 sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
1497 kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
1498 kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1499 kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1500 kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1501
1502 sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
1503 kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
1504 kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1505 kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1506 kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1507
1508 if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
1509 goto outkzalloc;
1510
1511 if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
1512 goto outmode;
1513
1514 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1515 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1516
1517 return 0;
1518
1519outmode:
1520 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1521outkzalloc:
1522 kfree(kbdbl_handle);
1523 kbdbl_handle = NULL;
1524 return -1;
1525}
1526
1527static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1528{
1529 if (kbdbl_handle) {
1530 int result;
1531
1532 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1533 device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
1534
1535 /* restore the default hw behaviour */
1536 sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
1537 sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);
1538
1539 kfree(kbdbl_handle);
1540 }
1541 return 0;
1542}
1543
1544static void sony_nc_kbd_backlight_resume(void)
1545{
1546 int ignore = 0;
1547
1548 if (!kbdbl_handle)
1549 return;
1550
1551 if (kbdbl_handle->mode == 0)
1552 sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);
1553
1554 if (kbdbl_handle->timeout != 0)
1555 sony_call_snc_handle(KBDBL_HANDLER,
1556 (kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
1557 &ignore);
1558}
1559
1560static void sony_nc_backlight_ng_read_limits(int handle,
1561 struct sony_backlight_props *props)
1562{
1563 int offset;
1564 acpi_status status;
1565 u8 brlvl, i;
1566 u8 min = 0xff, max = 0x00;
1567 struct acpi_object_list params;
1568 union acpi_object in_obj;
1569 union acpi_object *lvl_enum;
1570 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1571
1572 props->handle = handle;
1573 props->offset = 0;
1574 props->maxlvl = 0xff;
1575
1576 offset = sony_find_snc_handle(handle);
1577 if (offset < 0)
1578 return;
1579
1580 /* try to read the boundaries from ACPI tables, if we fail the above
1581 * defaults should be reasonable
1582 */
1583 params.count = 1;
1584 params.pointer = &in_obj;
1585 in_obj.type = ACPI_TYPE_INTEGER;
1586 in_obj.integer.value = offset;
1587 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", ¶ms,
1588 &buffer);
1589 if (ACPI_FAILURE(status))
1590 return;
1591
1592 lvl_enum = (union acpi_object *) buffer.pointer;
1593 if (!lvl_enum) {
1594 pr_err("No SN06 return object.");
1595 return;
1596 }
1597 if (lvl_enum->type != ACPI_TYPE_BUFFER) {
1598 pr_err("Invalid SN06 return object 0x%.2x\n",
1599 lvl_enum->type);
1600 goto out_invalid;
1601 }
1602
1603 /* the buffer lists brightness levels available, brightness levels are
1604 * from 0 to 8 in the array, other values are used by ALS control.
1605 */
1606 for (i = 0; i < 9 && i < lvl_enum->buffer.length; i++) {
1607
1608 brlvl = *(lvl_enum->buffer.pointer + i);
1609 dprintk("Brightness level: %d\n", brlvl);
1610
1611 if (!brlvl)
1612 break;
1613
1614 if (brlvl > max)
1615 max = brlvl;
1616 if (brlvl < min)
1617 min = brlvl;
1618 }
1619 props->offset = min;
1620 props->maxlvl = max;
1621 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
1622 props->maxlvl);
1623
1624out_invalid:
1625 kfree(buffer.pointer);
1626 return;
1627}
1628
1629static void sony_nc_backlight_setup(void)
1630{
1631 acpi_handle unused;
1632 int max_brightness = 0;
1633 const struct backlight_ops *ops = NULL;
1634 struct backlight_properties props;
1635
1636 if (sony_find_snc_handle(0x12f) != -1) {
1637 ops = &sony_backlight_ng_ops;
1638 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
1639 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
1640
1641 } else if (sony_find_snc_handle(0x137) != -1) {
1642 ops = &sony_backlight_ng_ops;
1643 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
1644 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
1645
1646 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1647 &unused))) {
1648 ops = &sony_backlight_ops;
1649 max_brightness = SONY_MAX_BRIGHTNESS - 1;
1650
1651 } else
1652 return;
1653
1654 memset(&props, 0, sizeof(struct backlight_properties));
1655 props.type = BACKLIGHT_PLATFORM;
1656 props.max_brightness = max_brightness;
1657 sony_bl_props.dev = backlight_device_register("sony", NULL,
1658 &sony_bl_props,
1659 ops, &props);
1660
1661 if (IS_ERR(sony_bl_props.dev)) {
1662 pr_warn("unable to register backlight device\n");
1663 sony_bl_props.dev = NULL;
1664 } else
1665 sony_bl_props.dev->props.brightness =
1666 ops->get_brightness(sony_bl_props.dev);
1667}
1668
1669static void sony_nc_backlight_cleanup(void)
1670{
1671 if (sony_bl_props.dev)
1672 backlight_device_unregister(sony_bl_props.dev);
1673}
1674
1675static int sony_nc_add(struct acpi_device *device)
1676{
1677 acpi_status status;
1678 int result = 0;
1679 acpi_handle handle;
1680 struct sony_nc_value *item;
1681
1682 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1683
1684 sony_nc_acpi_device = device;
1685 strcpy(acpi_device_class(device), "sony/hotkey");
1686
1687 sony_nc_acpi_handle = device->handle;
1688
1689 /* read device status */
1690 result = acpi_bus_get_status(device);
1691 /* bail IFF the above call was successful and the device is not present */
1692 if (!result && !device->status.present) {
1693 dprintk("Device not present\n");
1694 result = -ENODEV;
1695 goto outwalk;
1696 }
1697
1698 result = sony_pf_add();
1699 if (result)
1700 goto outpresent;
1701
1702 if (debug) {
1703 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
1704 sony_nc_acpi_handle, 1, sony_walk_callback,
1705 NULL, NULL, NULL);
1706 if (ACPI_FAILURE(status)) {
1707 pr_warn("unable to walk acpi resources\n");
1708 result = -ENODEV;
1709 goto outpresent;
1710 }
1711 }
1712
1713 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1714 &handle))) {
1715 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1716 dprintk("ECON Method failed\n");
1717 }
1718
1719 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1720 &handle))) {
1721 dprintk("Doing SNC setup\n");
1722 result = sony_nc_handles_setup(sony_pf_device);
1723 if (result)
1724 goto outpresent;
1725 result = sony_nc_kbd_backlight_setup(sony_pf_device);
1726 if (result)
1727 goto outsnc;
1728 sony_nc_function_setup(device);
1729 sony_nc_rfkill_setup(device);
1730 }
1731
1732 /* setup input devices and helper fifo */
1733 result = sony_laptop_setup_input(device);
1734 if (result) {
1735 pr_err("Unable to create input devices\n");
1736 goto outkbdbacklight;
1737 }
1738
1739 if (acpi_video_backlight_support()) {
1740 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
1741 } else {
1742 sony_nc_backlight_setup();
1743 }
1744
1745 /* create sony_pf sysfs attributes related to the SNC device */
1746 for (item = sony_nc_values; item->name; ++item) {
1747
1748 if (!debug && item->debug)
1749 continue;
1750
1751 /* find the available acpiget as described in the DSDT */
1752 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1753 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1754 *item->acpiget,
1755 &handle))) {
1756 dprintk("Found %s getter: %s\n",
1757 item->name, *item->acpiget);
1758 item->devattr.attr.mode |= S_IRUGO;
1759 break;
1760 }
1761 }
1762
1763 /* find the available acpiset as described in the DSDT */
1764 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1765 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1766 *item->acpiset,
1767 &handle))) {
1768 dprintk("Found %s setter: %s\n",
1769 item->name, *item->acpiset);
1770 item->devattr.attr.mode |= S_IWUSR;
1771 break;
1772 }
1773 }
1774
1775 if (item->devattr.attr.mode != 0) {
1776 result =
1777 device_create_file(&sony_pf_device->dev,
1778 &item->devattr);
1779 if (result)
1780 goto out_sysfs;
1781 }
1782 }
1783
1784 return 0;
1785
1786 out_sysfs:
1787 for (item = sony_nc_values; item->name; ++item) {
1788 device_remove_file(&sony_pf_device->dev, &item->devattr);
1789 }
1790 sony_nc_backlight_cleanup();
1791
1792 sony_laptop_remove_input();
1793
1794 outkbdbacklight:
1795 sony_nc_kbd_backlight_cleanup(sony_pf_device);
1796
1797 outsnc:
1798 sony_nc_handles_cleanup(sony_pf_device);
1799
1800 outpresent:
1801 sony_pf_remove();
1802
1803 outwalk:
1804 sony_nc_rfkill_cleanup();
1805 return result;
1806}
1807
1808static int sony_nc_remove(struct acpi_device *device, int type)
1809{
1810 struct sony_nc_value *item;
1811
1812 sony_nc_backlight_cleanup();
1813
1814 sony_nc_acpi_device = NULL;
1815
1816 for (item = sony_nc_values; item->name; ++item) {
1817 device_remove_file(&sony_pf_device->dev, &item->devattr);
1818 }
1819
1820 sony_nc_kbd_backlight_cleanup(sony_pf_device);
1821 sony_nc_handles_cleanup(sony_pf_device);
1822 sony_pf_remove();
1823 sony_laptop_remove_input();
1824 sony_nc_rfkill_cleanup();
1825 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1826
1827 return 0;
1828}
1829
1830static const struct acpi_device_id sony_device_ids[] = {
1831 {SONY_NC_HID, 0},
1832 {SONY_PIC_HID, 0},
1833 {"", 0},
1834};
1835MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1836
1837static const struct acpi_device_id sony_nc_device_ids[] = {
1838 {SONY_NC_HID, 0},
1839 {"", 0},
1840};
1841
1842static struct acpi_driver sony_nc_driver = {
1843 .name = SONY_NC_DRIVER_NAME,
1844 .class = SONY_NC_CLASS,
1845 .ids = sony_nc_device_ids,
1846 .owner = THIS_MODULE,
1847 .ops = {
1848 .add = sony_nc_add,
1849 .remove = sony_nc_remove,
1850 .resume = sony_nc_resume,
1851 .notify = sony_nc_notify,
1852 },
1853};
1854
1855/*********** SPIC (SNY6001) Device ***********/
1856
1857#define SONYPI_DEVICE_TYPE1 0x00000001
1858#define SONYPI_DEVICE_TYPE2 0x00000002
1859#define SONYPI_DEVICE_TYPE3 0x00000004
1860
1861#define SONYPI_TYPE1_OFFSET 0x04
1862#define SONYPI_TYPE2_OFFSET 0x12
1863#define SONYPI_TYPE3_OFFSET 0x12
1864
1865struct sony_pic_ioport {
1866 struct acpi_resource_io io1;
1867 struct acpi_resource_io io2;
1868 struct list_head list;
1869};
1870
1871struct sony_pic_irq {
1872 struct acpi_resource_irq irq;
1873 struct list_head list;
1874};
1875
1876struct sonypi_eventtypes {
1877 u8 data;
1878 unsigned long mask;
1879 struct sonypi_event *events;
1880};
1881
1882struct sony_pic_dev {
1883 struct acpi_device *acpi_dev;
1884 struct sony_pic_irq *cur_irq;
1885 struct sony_pic_ioport *cur_ioport;
1886 struct list_head interrupts;
1887 struct list_head ioports;
1888 struct mutex lock;
1889 struct sonypi_eventtypes *event_types;
1890 int (*handle_irq)(const u8, const u8);
1891 int model;
1892 u16 evport_offset;
1893 u8 camera_power;
1894 u8 bluetooth_power;
1895 u8 wwan_power;
1896};
1897
1898static struct sony_pic_dev spic_dev = {
1899 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1900 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1901};
1902
1903static int spic_drv_registered;
1904
1905/* Event masks */
1906#define SONYPI_JOGGER_MASK 0x00000001
1907#define SONYPI_CAPTURE_MASK 0x00000002
1908#define SONYPI_FNKEY_MASK 0x00000004
1909#define SONYPI_BLUETOOTH_MASK 0x00000008
1910#define SONYPI_PKEY_MASK 0x00000010
1911#define SONYPI_BACK_MASK 0x00000020
1912#define SONYPI_HELP_MASK 0x00000040
1913#define SONYPI_LID_MASK 0x00000080
1914#define SONYPI_ZOOM_MASK 0x00000100
1915#define SONYPI_THUMBPHRASE_MASK 0x00000200
1916#define SONYPI_MEYE_MASK 0x00000400
1917#define SONYPI_MEMORYSTICK_MASK 0x00000800
1918#define SONYPI_BATTERY_MASK 0x00001000
1919#define SONYPI_WIRELESS_MASK 0x00002000
1920
1921struct sonypi_event {
1922 u8 data;
1923 u8 event;
1924};
1925
1926/* The set of possible button release events */
1927static struct sonypi_event sonypi_releaseev[] = {
1928 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1929 { 0, 0 }
1930};
1931
1932/* The set of possible jogger events */
1933static struct sonypi_event sonypi_joggerev[] = {
1934 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1935 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1936 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1937 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1938 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1939 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1940 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1941 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1942 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1943 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1944 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1945 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1946 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1947 { 0, 0 }
1948};
1949
1950/* The set of possible capture button events */
1951static struct sonypi_event sonypi_captureev[] = {
1952 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1953 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1954 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1955 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1956 { 0, 0 }
1957};
1958
1959/* The set of possible fnkeys events */
1960static struct sonypi_event sonypi_fnkeyev[] = {
1961 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1962 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1963 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1964 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1965 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1966 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1967 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1968 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1969 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1970 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1971 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1972 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1973 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1974 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1975 { 0x21, SONYPI_EVENT_FNKEY_1 },
1976 { 0x22, SONYPI_EVENT_FNKEY_2 },
1977 { 0x31, SONYPI_EVENT_FNKEY_D },
1978 { 0x32, SONYPI_EVENT_FNKEY_E },
1979 { 0x33, SONYPI_EVENT_FNKEY_F },
1980 { 0x34, SONYPI_EVENT_FNKEY_S },
1981 { 0x35, SONYPI_EVENT_FNKEY_B },
1982 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1983 { 0, 0 }
1984};
1985
1986/* The set of possible program key events */
1987static struct sonypi_event sonypi_pkeyev[] = {
1988 { 0x01, SONYPI_EVENT_PKEY_P1 },
1989 { 0x02, SONYPI_EVENT_PKEY_P2 },
1990 { 0x04, SONYPI_EVENT_PKEY_P3 },
1991 { 0x20, SONYPI_EVENT_PKEY_P1 },
1992 { 0, 0 }
1993};
1994
1995/* The set of possible bluetooth events */
1996static struct sonypi_event sonypi_blueev[] = {
1997 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1998 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1999 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
2000 { 0, 0 }
2001};
2002
2003/* The set of possible wireless events */
2004static struct sonypi_event sonypi_wlessev[] = {
2005 { 0x59, SONYPI_EVENT_IGNORE },
2006 { 0x5a, SONYPI_EVENT_IGNORE },
2007 { 0, 0 }
2008};
2009
2010/* The set of possible back button events */
2011static struct sonypi_event sonypi_backev[] = {
2012 { 0x20, SONYPI_EVENT_BACK_PRESSED },
2013 { 0, 0 }
2014};
2015
2016/* The set of possible help button events */
2017static struct sonypi_event sonypi_helpev[] = {
2018 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
2019 { 0, 0 }
2020};
2021
2022
2023/* The set of possible lid events */
2024static struct sonypi_event sonypi_lidev[] = {
2025 { 0x51, SONYPI_EVENT_LID_CLOSED },
2026 { 0x50, SONYPI_EVENT_LID_OPENED },
2027 { 0, 0 }
2028};
2029
2030/* The set of possible zoom events */
2031static struct sonypi_event sonypi_zoomev[] = {
2032 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
2033 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
2034 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2035 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2036 { 0, 0 }
2037};
2038
2039/* The set of possible thumbphrase events */
2040static struct sonypi_event sonypi_thumbphraseev[] = {
2041 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
2042 { 0, 0 }
2043};
2044
2045/* The set of possible motioneye camera events */
2046static struct sonypi_event sonypi_meyeev[] = {
2047 { 0x00, SONYPI_EVENT_MEYE_FACE },
2048 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
2049 { 0, 0 }
2050};
2051
2052/* The set of possible memorystick events */
2053static struct sonypi_event sonypi_memorystickev[] = {
2054 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
2055 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
2056 { 0, 0 }
2057};
2058
2059/* The set of possible battery events */
2060static struct sonypi_event sonypi_batteryev[] = {
2061 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
2062 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
2063 { 0, 0 }
2064};
2065
2066/* The set of possible volume events */
2067static struct sonypi_event sonypi_volumeev[] = {
2068 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
2069 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
2070 { 0, 0 }
2071};
2072
2073/* The set of possible brightness events */
2074static struct sonypi_event sonypi_brightnessev[] = {
2075 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
2076 { 0, 0 }
2077};
2078
2079static struct sonypi_eventtypes type1_events[] = {
2080 { 0, 0xffffffff, sonypi_releaseev },
2081 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
2082 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
2083 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
2084 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
2085 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2086 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2087 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
2088 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2089 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
2090 { 0 },
2091};
2092static struct sonypi_eventtypes type2_events[] = {
2093 { 0, 0xffffffff, sonypi_releaseev },
2094 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
2095 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
2096 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
2097 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2098 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2099 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
2100 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
2101 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
2102 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
2103 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
2104 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2105 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2106 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2107 { 0 },
2108};
2109static struct sonypi_eventtypes type3_events[] = {
2110 { 0, 0xffffffff, sonypi_releaseev },
2111 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2112 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
2113 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2114 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2115 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2116 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
2117 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
2118 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
2119 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
2120 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
2121 { 0 },
2122};
2123
2124/* low level spic calls */
2125#define ITERATIONS_LONG 10000
2126#define ITERATIONS_SHORT 10
2127#define wait_on_command(command, iterations) { \
2128 unsigned int n = iterations; \
2129 while (--n && (command)) \
2130 udelay(1); \
2131 if (!n) \
2132 dprintk("command failed at %s : %s (line %d)\n", \
2133 __FILE__, __func__, __LINE__); \
2134}
2135
2136static u8 sony_pic_call1(u8 dev)
2137{
2138 u8 v1, v2;
2139
2140 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2141 ITERATIONS_LONG);
2142 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2143 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
2144 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
2145 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
2146 return v2;
2147}
2148
2149static u8 sony_pic_call2(u8 dev, u8 fn)
2150{
2151 u8 v1;
2152
2153 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2154 ITERATIONS_LONG);
2155 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2156 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2157 ITERATIONS_LONG);
2158 outb(fn, spic_dev.cur_ioport->io1.minimum);
2159 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2160 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
2161 return v1;
2162}
2163
2164static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
2165{
2166 u8 v1;
2167
2168 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2169 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2170 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2171 outb(fn, spic_dev.cur_ioport->io1.minimum);
2172 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2173 outb(v, spic_dev.cur_ioport->io1.minimum);
2174 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2175 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
2176 dev, fn, v, v1);
2177 return v1;
2178}
2179
2180/*
2181 * minidrivers for SPIC models
2182 */
2183static int type3_handle_irq(const u8 data_mask, const u8 ev)
2184{
2185 /*
2186 * 0x31 could mean we have to take some extra action and wait for
2187 * the next irq for some Type3 models, it will generate a new
2188 * irq and we can read new data from the device:
2189 * - 0x5c and 0x5f requires 0xA0
2190 * - 0x61 requires 0xB3
2191 */
2192 if (data_mask == 0x31) {
2193 if (ev == 0x5c || ev == 0x5f)
2194 sony_pic_call1(0xA0);
2195 else if (ev == 0x61)
2196 sony_pic_call1(0xB3);
2197 return 0;
2198 }
2199 return 1;
2200}
2201
2202static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
2203{
2204 struct pci_dev *pcidev;
2205
2206 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2207 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
2208 if (pcidev) {
2209 dev->model = SONYPI_DEVICE_TYPE1;
2210 dev->evport_offset = SONYPI_TYPE1_OFFSET;
2211 dev->event_types = type1_events;
2212 goto out;
2213 }
2214
2215 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2216 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
2217 if (pcidev) {
2218 dev->model = SONYPI_DEVICE_TYPE2;
2219 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2220 dev->event_types = type2_events;
2221 goto out;
2222 }
2223
2224 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2225 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
2226 if (pcidev) {
2227 dev->model = SONYPI_DEVICE_TYPE3;
2228 dev->handle_irq = type3_handle_irq;
2229 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2230 dev->event_types = type3_events;
2231 goto out;
2232 }
2233
2234 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2235 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
2236 if (pcidev) {
2237 dev->model = SONYPI_DEVICE_TYPE3;
2238 dev->handle_irq = type3_handle_irq;
2239 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2240 dev->event_types = type3_events;
2241 goto out;
2242 }
2243
2244 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2245 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
2246 if (pcidev) {
2247 dev->model = SONYPI_DEVICE_TYPE3;
2248 dev->handle_irq = type3_handle_irq;
2249 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2250 dev->event_types = type3_events;
2251 goto out;
2252 }
2253
2254 /* default */
2255 dev->model = SONYPI_DEVICE_TYPE2;
2256 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2257 dev->event_types = type2_events;
2258
2259out:
2260 if (pcidev)
2261 pci_dev_put(pcidev);
2262
2263 pr_info("detected Type%d model\n",
2264 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
2265 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
2266}
2267
2268/* camera tests and poweron/poweroff */
2269#define SONYPI_CAMERA_PICTURE 5
2270#define SONYPI_CAMERA_CONTROL 0x10
2271
2272#define SONYPI_CAMERA_BRIGHTNESS 0
2273#define SONYPI_CAMERA_CONTRAST 1
2274#define SONYPI_CAMERA_HUE 2
2275#define SONYPI_CAMERA_COLOR 3
2276#define SONYPI_CAMERA_SHARPNESS 4
2277
2278#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
2279#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
2280#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
2281#define SONYPI_CAMERA_MUTE_MASK 0x40
2282
2283/* the rest don't need a loop until not 0xff */
2284#define SONYPI_CAMERA_AGC 6
2285#define SONYPI_CAMERA_AGC_MASK 0x30
2286#define SONYPI_CAMERA_SHUTTER_MASK 0x7
2287
2288#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
2289#define SONYPI_CAMERA_CONTROL 0x10
2290
2291#define SONYPI_CAMERA_STATUS 7
2292#define SONYPI_CAMERA_STATUS_READY 0x2
2293#define SONYPI_CAMERA_STATUS_POSITION 0x4
2294
2295#define SONYPI_DIRECTION_BACKWARDS 0x4
2296
2297#define SONYPI_CAMERA_REVISION 8
2298#define SONYPI_CAMERA_ROMVERSION 9
2299
2300static int __sony_pic_camera_ready(void)
2301{
2302 u8 v;
2303
2304 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
2305 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
2306}
2307
2308static int __sony_pic_camera_off(void)
2309{
2310 if (!camera) {
2311 pr_warn("camera control not enabled\n");
2312 return -ENODEV;
2313 }
2314
2315 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
2316 SONYPI_CAMERA_MUTE_MASK),
2317 ITERATIONS_SHORT);
2318
2319 if (spic_dev.camera_power) {
2320 sony_pic_call2(0x91, 0);
2321 spic_dev.camera_power = 0;
2322 }
2323 return 0;
2324}
2325
2326static int __sony_pic_camera_on(void)
2327{
2328 int i, j, x;
2329
2330 if (!camera) {
2331 pr_warn("camera control not enabled\n");
2332 return -ENODEV;
2333 }
2334
2335 if (spic_dev.camera_power)
2336 return 0;
2337
2338 for (j = 5; j > 0; j--) {
2339
2340 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
2341 msleep(10);
2342 sony_pic_call1(0x93);
2343
2344 for (i = 400; i > 0; i--) {
2345 if (__sony_pic_camera_ready())
2346 break;
2347 msleep(10);
2348 }
2349 if (i)
2350 break;
2351 }
2352
2353 if (j == 0) {
2354 pr_warn("failed to power on camera\n");
2355 return -ENODEV;
2356 }
2357
2358 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
2359 0x5a),
2360 ITERATIONS_SHORT);
2361
2362 spic_dev.camera_power = 1;
2363 return 0;
2364}
2365
2366/* External camera command (exported to the motion eye v4l driver) */
2367int sony_pic_camera_command(int command, u8 value)
2368{
2369 if (!camera)
2370 return -EIO;
2371
2372 mutex_lock(&spic_dev.lock);
2373
2374 switch (command) {
2375 case SONY_PIC_COMMAND_SETCAMERA:
2376 if (value)
2377 __sony_pic_camera_on();
2378 else
2379 __sony_pic_camera_off();
2380 break;
2381 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
2382 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
2383 ITERATIONS_SHORT);
2384 break;
2385 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
2386 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
2387 ITERATIONS_SHORT);
2388 break;
2389 case SONY_PIC_COMMAND_SETCAMERAHUE:
2390 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
2391 ITERATIONS_SHORT);
2392 break;
2393 case SONY_PIC_COMMAND_SETCAMERACOLOR:
2394 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
2395 ITERATIONS_SHORT);
2396 break;
2397 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
2398 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
2399 ITERATIONS_SHORT);
2400 break;
2401 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
2402 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
2403 ITERATIONS_SHORT);
2404 break;
2405 case SONY_PIC_COMMAND_SETCAMERAAGC:
2406 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
2407 ITERATIONS_SHORT);
2408 break;
2409 default:
2410 pr_err("sony_pic_camera_command invalid: %d\n", command);
2411 break;
2412 }
2413 mutex_unlock(&spic_dev.lock);
2414 return 0;
2415}
2416EXPORT_SYMBOL(sony_pic_camera_command);
2417
2418/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2419static void __sony_pic_set_wwanpower(u8 state)
2420{
2421 state = !!state;
2422 if (spic_dev.wwan_power == state)
2423 return;
2424 sony_pic_call2(0xB0, state);
2425 sony_pic_call1(0x82);
2426 spic_dev.wwan_power = state;
2427}
2428
2429static ssize_t sony_pic_wwanpower_store(struct device *dev,
2430 struct device_attribute *attr,
2431 const char *buffer, size_t count)
2432{
2433 unsigned long value;
2434 if (count > 31)
2435 return -EINVAL;
2436
2437 value = simple_strtoul(buffer, NULL, 10);
2438 mutex_lock(&spic_dev.lock);
2439 __sony_pic_set_wwanpower(value);
2440 mutex_unlock(&spic_dev.lock);
2441
2442 return count;
2443}
2444
2445static ssize_t sony_pic_wwanpower_show(struct device *dev,
2446 struct device_attribute *attr, char *buffer)
2447{
2448 ssize_t count;
2449 mutex_lock(&spic_dev.lock);
2450 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2451 mutex_unlock(&spic_dev.lock);
2452 return count;
2453}
2454
2455/* bluetooth subsystem power state */
2456static void __sony_pic_set_bluetoothpower(u8 state)
2457{
2458 state = !!state;
2459 if (spic_dev.bluetooth_power == state)
2460 return;
2461 sony_pic_call2(0x96, state);
2462 sony_pic_call1(0x82);
2463 spic_dev.bluetooth_power = state;
2464}
2465
2466static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2467 struct device_attribute *attr,
2468 const char *buffer, size_t count)
2469{
2470 unsigned long value;
2471 if (count > 31)
2472 return -EINVAL;
2473
2474 value = simple_strtoul(buffer, NULL, 10);
2475 mutex_lock(&spic_dev.lock);
2476 __sony_pic_set_bluetoothpower(value);
2477 mutex_unlock(&spic_dev.lock);
2478
2479 return count;
2480}
2481
2482static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2483 struct device_attribute *attr, char *buffer)
2484{
2485 ssize_t count = 0;
2486 mutex_lock(&spic_dev.lock);
2487 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2488 mutex_unlock(&spic_dev.lock);
2489 return count;
2490}
2491
2492/* fan speed */
2493/* FAN0 information (reverse engineered from ACPI tables) */
2494#define SONY_PIC_FAN0_STATUS 0x93
2495static int sony_pic_set_fanspeed(unsigned long value)
2496{
2497 return ec_write(SONY_PIC_FAN0_STATUS, value);
2498}
2499
2500static int sony_pic_get_fanspeed(u8 *value)
2501{
2502 return ec_read(SONY_PIC_FAN0_STATUS, value);
2503}
2504
2505static ssize_t sony_pic_fanspeed_store(struct device *dev,
2506 struct device_attribute *attr,
2507 const char *buffer, size_t count)
2508{
2509 unsigned long value;
2510 if (count > 31)
2511 return -EINVAL;
2512
2513 value = simple_strtoul(buffer, NULL, 10);
2514 if (sony_pic_set_fanspeed(value))
2515 return -EIO;
2516
2517 return count;
2518}
2519
2520static ssize_t sony_pic_fanspeed_show(struct device *dev,
2521 struct device_attribute *attr, char *buffer)
2522{
2523 u8 value = 0;
2524 if (sony_pic_get_fanspeed(&value))
2525 return -EIO;
2526
2527 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2528}
2529
2530#define SPIC_ATTR(_name, _mode) \
2531struct device_attribute spic_attr_##_name = __ATTR(_name, \
2532 _mode, sony_pic_## _name ##_show, \
2533 sony_pic_## _name ##_store)
2534
2535static SPIC_ATTR(bluetoothpower, 0644);
2536static SPIC_ATTR(wwanpower, 0644);
2537static SPIC_ATTR(fanspeed, 0644);
2538
2539static struct attribute *spic_attributes[] = {
2540 &spic_attr_bluetoothpower.attr,
2541 &spic_attr_wwanpower.attr,
2542 &spic_attr_fanspeed.attr,
2543 NULL
2544};
2545
2546static struct attribute_group spic_attribute_group = {
2547 .attrs = spic_attributes
2548};
2549
2550/******** SONYPI compatibility **********/
2551#ifdef CONFIG_SONYPI_COMPAT
2552
2553/* battery / brightness / temperature addresses */
2554#define SONYPI_BAT_FLAGS 0x81
2555#define SONYPI_LCD_LIGHT 0x96
2556#define SONYPI_BAT1_PCTRM 0xa0
2557#define SONYPI_BAT1_LEFT 0xa2
2558#define SONYPI_BAT1_MAXRT 0xa4
2559#define SONYPI_BAT2_PCTRM 0xa8
2560#define SONYPI_BAT2_LEFT 0xaa
2561#define SONYPI_BAT2_MAXRT 0xac
2562#define SONYPI_BAT1_MAXTK 0xb0
2563#define SONYPI_BAT1_FULL 0xb2
2564#define SONYPI_BAT2_MAXTK 0xb8
2565#define SONYPI_BAT2_FULL 0xba
2566#define SONYPI_TEMP_STATUS 0xC1
2567
2568struct sonypi_compat_s {
2569 struct fasync_struct *fifo_async;
2570 struct kfifo fifo;
2571 spinlock_t fifo_lock;
2572 wait_queue_head_t fifo_proc_list;
2573 atomic_t open_count;
2574};
2575static struct sonypi_compat_s sonypi_compat = {
2576 .open_count = ATOMIC_INIT(0),
2577};
2578
2579static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2580{
2581 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2582}
2583
2584static int sonypi_misc_release(struct inode *inode, struct file *file)
2585{
2586 atomic_dec(&sonypi_compat.open_count);
2587 return 0;
2588}
2589
2590static int sonypi_misc_open(struct inode *inode, struct file *file)
2591{
2592 /* Flush input queue on first open */
2593 unsigned long flags;
2594
2595 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2596
2597 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2598 kfifo_reset(&sonypi_compat.fifo);
2599
2600 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2601
2602 return 0;
2603}
2604
2605static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2606 size_t count, loff_t *pos)
2607{
2608 ssize_t ret;
2609 unsigned char c;
2610
2611 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2612 (file->f_flags & O_NONBLOCK))
2613 return -EAGAIN;
2614
2615 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2616 kfifo_len(&sonypi_compat.fifo) != 0);
2617 if (ret)
2618 return ret;
2619
2620 while (ret < count &&
2621 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2622 &sonypi_compat.fifo_lock) == sizeof(c))) {
2623 if (put_user(c, buf++))
2624 return -EFAULT;
2625 ret++;
2626 }
2627
2628 if (ret > 0) {
2629 struct inode *inode = file->f_path.dentry->d_inode;
2630 inode->i_atime = current_fs_time(inode->i_sb);
2631 }
2632
2633 return ret;
2634}
2635
2636static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2637{
2638 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2639 if (kfifo_len(&sonypi_compat.fifo))
2640 return POLLIN | POLLRDNORM;
2641 return 0;
2642}
2643
2644static int ec_read16(u8 addr, u16 *value)
2645{
2646 u8 val_lb, val_hb;
2647 if (ec_read(addr, &val_lb))
2648 return -1;
2649 if (ec_read(addr + 1, &val_hb))
2650 return -1;
2651 *value = val_lb | (val_hb << 8);
2652 return 0;
2653}
2654
2655static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2656 unsigned long arg)
2657{
2658 int ret = 0;
2659 void __user *argp = (void __user *)arg;
2660 u8 val8;
2661 u16 val16;
2662 int value;
2663
2664 mutex_lock(&spic_dev.lock);
2665 switch (cmd) {
2666 case SONYPI_IOCGBRT:
2667 if (sony_bl_props.dev == NULL) {
2668 ret = -EIO;
2669 break;
2670 }
2671 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2672 ret = -EIO;
2673 break;
2674 }
2675 val8 = ((value & 0xff) - 1) << 5;
2676 if (copy_to_user(argp, &val8, sizeof(val8)))
2677 ret = -EFAULT;
2678 break;
2679 case SONYPI_IOCSBRT:
2680 if (sony_bl_props.dev == NULL) {
2681 ret = -EIO;
2682 break;
2683 }
2684 if (copy_from_user(&val8, argp, sizeof(val8))) {
2685 ret = -EFAULT;
2686 break;
2687 }
2688 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2689 (val8 >> 5) + 1, NULL)) {
2690 ret = -EIO;
2691 break;
2692 }
2693 /* sync the backlight device status */
2694 sony_bl_props.dev->props.brightness =
2695 sony_backlight_get_brightness(sony_bl_props.dev);
2696 break;
2697 case SONYPI_IOCGBAT1CAP:
2698 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2699 ret = -EIO;
2700 break;
2701 }
2702 if (copy_to_user(argp, &val16, sizeof(val16)))
2703 ret = -EFAULT;
2704 break;
2705 case SONYPI_IOCGBAT1REM:
2706 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2707 ret = -EIO;
2708 break;
2709 }
2710 if (copy_to_user(argp, &val16, sizeof(val16)))
2711 ret = -EFAULT;
2712 break;
2713 case SONYPI_IOCGBAT2CAP:
2714 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2715 ret = -EIO;
2716 break;
2717 }
2718 if (copy_to_user(argp, &val16, sizeof(val16)))
2719 ret = -EFAULT;
2720 break;
2721 case SONYPI_IOCGBAT2REM:
2722 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2723 ret = -EIO;
2724 break;
2725 }
2726 if (copy_to_user(argp, &val16, sizeof(val16)))
2727 ret = -EFAULT;
2728 break;
2729 case SONYPI_IOCGBATFLAGS:
2730 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2731 ret = -EIO;
2732 break;
2733 }
2734 val8 &= 0x07;
2735 if (copy_to_user(argp, &val8, sizeof(val8)))
2736 ret = -EFAULT;
2737 break;
2738 case SONYPI_IOCGBLUE:
2739 val8 = spic_dev.bluetooth_power;
2740 if (copy_to_user(argp, &val8, sizeof(val8)))
2741 ret = -EFAULT;
2742 break;
2743 case SONYPI_IOCSBLUE:
2744 if (copy_from_user(&val8, argp, sizeof(val8))) {
2745 ret = -EFAULT;
2746 break;
2747 }
2748 __sony_pic_set_bluetoothpower(val8);
2749 break;
2750 /* FAN Controls */
2751 case SONYPI_IOCGFAN:
2752 if (sony_pic_get_fanspeed(&val8)) {
2753 ret = -EIO;
2754 break;
2755 }
2756 if (copy_to_user(argp, &val8, sizeof(val8)))
2757 ret = -EFAULT;
2758 break;
2759 case SONYPI_IOCSFAN:
2760 if (copy_from_user(&val8, argp, sizeof(val8))) {
2761 ret = -EFAULT;
2762 break;
2763 }
2764 if (sony_pic_set_fanspeed(val8))
2765 ret = -EIO;
2766 break;
2767 /* GET Temperature (useful under APM) */
2768 case SONYPI_IOCGTEMP:
2769 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2770 ret = -EIO;
2771 break;
2772 }
2773 if (copy_to_user(argp, &val8, sizeof(val8)))
2774 ret = -EFAULT;
2775 break;
2776 default:
2777 ret = -EINVAL;
2778 }
2779 mutex_unlock(&spic_dev.lock);
2780 return ret;
2781}
2782
2783static const struct file_operations sonypi_misc_fops = {
2784 .owner = THIS_MODULE,
2785 .read = sonypi_misc_read,
2786 .poll = sonypi_misc_poll,
2787 .open = sonypi_misc_open,
2788 .release = sonypi_misc_release,
2789 .fasync = sonypi_misc_fasync,
2790 .unlocked_ioctl = sonypi_misc_ioctl,
2791 .llseek = noop_llseek,
2792};
2793
2794static struct miscdevice sonypi_misc_device = {
2795 .minor = MISC_DYNAMIC_MINOR,
2796 .name = "sonypi",
2797 .fops = &sonypi_misc_fops,
2798};
2799
2800static void sonypi_compat_report_event(u8 event)
2801{
2802 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2803 sizeof(event), &sonypi_compat.fifo_lock);
2804 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2805 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2806}
2807
2808static int sonypi_compat_init(void)
2809{
2810 int error;
2811
2812 spin_lock_init(&sonypi_compat.fifo_lock);
2813 error =
2814 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2815 if (error) {
2816 pr_err("kfifo_alloc failed\n");
2817 return error;
2818 }
2819
2820 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2821
2822 if (minor != -1)
2823 sonypi_misc_device.minor = minor;
2824 error = misc_register(&sonypi_misc_device);
2825 if (error) {
2826 pr_err("misc_register failed\n");
2827 goto err_free_kfifo;
2828 }
2829 if (minor == -1)
2830 pr_info("device allocated minor is %d\n",
2831 sonypi_misc_device.minor);
2832
2833 return 0;
2834
2835err_free_kfifo:
2836 kfifo_free(&sonypi_compat.fifo);
2837 return error;
2838}
2839
2840static void sonypi_compat_exit(void)
2841{
2842 misc_deregister(&sonypi_misc_device);
2843 kfifo_free(&sonypi_compat.fifo);
2844}
2845#else
2846static int sonypi_compat_init(void) { return 0; }
2847static void sonypi_compat_exit(void) { }
2848static void sonypi_compat_report_event(u8 event) { }
2849#endif /* CONFIG_SONYPI_COMPAT */
2850
2851/*
2852 * ACPI callbacks
2853 */
2854static acpi_status
2855sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2856{
2857 u32 i;
2858 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2859
2860 switch (resource->type) {
2861 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2862 {
2863 /* start IO enumeration */
2864 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2865 if (!ioport)
2866 return AE_ERROR;
2867
2868 list_add(&ioport->list, &dev->ioports);
2869 return AE_OK;
2870 }
2871
2872 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2873 /* end IO enumeration */
2874 return AE_OK;
2875
2876 case ACPI_RESOURCE_TYPE_IRQ:
2877 {
2878 struct acpi_resource_irq *p = &resource->data.irq;
2879 struct sony_pic_irq *interrupt = NULL;
2880 if (!p || !p->interrupt_count) {
2881 /*
2882 * IRQ descriptors may have no IRQ# bits set,
2883 * particularly those those w/ _STA disabled
2884 */
2885 dprintk("Blank IRQ resource\n");
2886 return AE_OK;
2887 }
2888 for (i = 0; i < p->interrupt_count; i++) {
2889 if (!p->interrupts[i]) {
2890 pr_warn("Invalid IRQ %d\n",
2891 p->interrupts[i]);
2892 continue;
2893 }
2894 interrupt = kzalloc(sizeof(*interrupt),
2895 GFP_KERNEL);
2896 if (!interrupt)
2897 return AE_ERROR;
2898
2899 list_add(&interrupt->list, &dev->interrupts);
2900 interrupt->irq.triggering = p->triggering;
2901 interrupt->irq.polarity = p->polarity;
2902 interrupt->irq.sharable = p->sharable;
2903 interrupt->irq.interrupt_count = 1;
2904 interrupt->irq.interrupts[0] = p->interrupts[i];
2905 }
2906 return AE_OK;
2907 }
2908 case ACPI_RESOURCE_TYPE_IO:
2909 {
2910 struct acpi_resource_io *io = &resource->data.io;
2911 struct sony_pic_ioport *ioport =
2912 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2913 if (!io) {
2914 dprintk("Blank IO resource\n");
2915 return AE_OK;
2916 }
2917
2918 if (!ioport->io1.minimum) {
2919 memcpy(&ioport->io1, io, sizeof(*io));
2920 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2921 ioport->io1.address_length);
2922 }
2923 else if (!ioport->io2.minimum) {
2924 memcpy(&ioport->io2, io, sizeof(*io));
2925 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2926 ioport->io2.address_length);
2927 }
2928 else {
2929 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
2930 return AE_ERROR;
2931 }
2932 return AE_OK;
2933 }
2934 default:
2935 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2936 resource->type);
2937
2938 case ACPI_RESOURCE_TYPE_END_TAG:
2939 return AE_OK;
2940 }
2941 return AE_CTRL_TERMINATE;
2942}
2943
2944static int sony_pic_possible_resources(struct acpi_device *device)
2945{
2946 int result = 0;
2947 acpi_status status = AE_OK;
2948
2949 if (!device)
2950 return -EINVAL;
2951
2952 /* get device status */
2953 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2954 dprintk("Evaluating _STA\n");
2955 result = acpi_bus_get_status(device);
2956 if (result) {
2957 pr_warn("Unable to read status\n");
2958 goto end;
2959 }
2960
2961 if (!device->status.enabled)
2962 dprintk("Device disabled\n");
2963 else
2964 dprintk("Device enabled\n");
2965
2966 /*
2967 * Query and parse 'method'
2968 */
2969 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2970 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2971 sony_pic_read_possible_resource, &spic_dev);
2972 if (ACPI_FAILURE(status)) {
2973 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
2974 result = -ENODEV;
2975 }
2976end:
2977 return result;
2978}
2979
2980/*
2981 * Disable the spic device by calling its _DIS method
2982 */
2983static int sony_pic_disable(struct acpi_device *device)
2984{
2985 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2986 NULL);
2987
2988 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2989 return -ENXIO;
2990
2991 dprintk("Device disabled\n");
2992 return 0;
2993}
2994
2995
2996/*
2997 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2998 *
2999 * Call _SRS to set current resources
3000 */
3001static int sony_pic_enable(struct acpi_device *device,
3002 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
3003{
3004 acpi_status status;
3005 int result = 0;
3006 /* Type 1 resource layout is:
3007 * IO
3008 * IO
3009 * IRQNoFlags
3010 * End
3011 *
3012 * Type 2 and 3 resource layout is:
3013 * IO
3014 * IRQNoFlags
3015 * End
3016 */
3017 struct {
3018 struct acpi_resource res1;
3019 struct acpi_resource res2;
3020 struct acpi_resource res3;
3021 struct acpi_resource res4;
3022 } *resource;
3023 struct acpi_buffer buffer = { 0, NULL };
3024
3025 if (!ioport || !irq)
3026 return -EINVAL;
3027
3028 /* init acpi_buffer */
3029 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
3030 if (!resource)
3031 return -ENOMEM;
3032
3033 buffer.length = sizeof(*resource) + 1;
3034 buffer.pointer = resource;
3035
3036 /* setup Type 1 resources */
3037 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3038
3039 /* setup io resources */
3040 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3041 resource->res1.length = sizeof(struct acpi_resource);
3042 memcpy(&resource->res1.data.io, &ioport->io1,
3043 sizeof(struct acpi_resource_io));
3044
3045 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
3046 resource->res2.length = sizeof(struct acpi_resource);
3047 memcpy(&resource->res2.data.io, &ioport->io2,
3048 sizeof(struct acpi_resource_io));
3049
3050 /* setup irq resource */
3051 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
3052 resource->res3.length = sizeof(struct acpi_resource);
3053 memcpy(&resource->res3.data.irq, &irq->irq,
3054 sizeof(struct acpi_resource_irq));
3055 /* we requested a shared irq */
3056 resource->res3.data.irq.sharable = ACPI_SHARED;
3057
3058 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
3059
3060 }
3061 /* setup Type 2/3 resources */
3062 else {
3063 /* setup io resource */
3064 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3065 resource->res1.length = sizeof(struct acpi_resource);
3066 memcpy(&resource->res1.data.io, &ioport->io1,
3067 sizeof(struct acpi_resource_io));
3068
3069 /* setup irq resource */
3070 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
3071 resource->res2.length = sizeof(struct acpi_resource);
3072 memcpy(&resource->res2.data.irq, &irq->irq,
3073 sizeof(struct acpi_resource_irq));
3074 /* we requested a shared irq */
3075 resource->res2.data.irq.sharable = ACPI_SHARED;
3076
3077 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
3078 }
3079
3080 /* Attempt to set the resource */
3081 dprintk("Evaluating _SRS\n");
3082 status = acpi_set_current_resources(device->handle, &buffer);
3083
3084 /* check for total failure */
3085 if (ACPI_FAILURE(status)) {
3086 pr_err("Error evaluating _SRS\n");
3087 result = -ENODEV;
3088 goto end;
3089 }
3090
3091 /* Necessary device initializations calls (from sonypi) */
3092 sony_pic_call1(0x82);
3093 sony_pic_call2(0x81, 0xff);
3094 sony_pic_call1(compat ? 0x92 : 0x82);
3095
3096end:
3097 kfree(resource);
3098 return result;
3099}
3100
3101/*****************
3102 *
3103 * ISR: some event is available
3104 *
3105 *****************/
3106static irqreturn_t sony_pic_irq(int irq, void *dev_id)
3107{
3108 int i, j;
3109 u8 ev = 0;
3110 u8 data_mask = 0;
3111 u8 device_event = 0;
3112
3113 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
3114
3115 ev = inb_p(dev->cur_ioport->io1.minimum);
3116 if (dev->cur_ioport->io2.minimum)
3117 data_mask = inb_p(dev->cur_ioport->io2.minimum);
3118 else
3119 data_mask = inb_p(dev->cur_ioport->io1.minimum +
3120 dev->evport_offset);
3121
3122 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3123 ev, data_mask, dev->cur_ioport->io1.minimum,
3124 dev->evport_offset);
3125
3126 if (ev == 0x00 || ev == 0xff)
3127 return IRQ_HANDLED;
3128
3129 for (i = 0; dev->event_types[i].mask; i++) {
3130
3131 if ((data_mask & dev->event_types[i].data) !=
3132 dev->event_types[i].data)
3133 continue;
3134
3135 if (!(mask & dev->event_types[i].mask))
3136 continue;
3137
3138 for (j = 0; dev->event_types[i].events[j].event; j++) {
3139 if (ev == dev->event_types[i].events[j].data) {
3140 device_event =
3141 dev->event_types[i].events[j].event;
3142 /* some events may require ignoring */
3143 if (!device_event)
3144 return IRQ_HANDLED;
3145 goto found;
3146 }
3147 }
3148 }
3149 /* Still not able to decode the event try to pass
3150 * it over to the minidriver
3151 */
3152 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
3153 return IRQ_HANDLED;
3154
3155 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3156 ev, data_mask, dev->cur_ioport->io1.minimum,
3157 dev->evport_offset);
3158 return IRQ_HANDLED;
3159
3160found:
3161 sony_laptop_report_input_event(device_event);
3162 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
3163 sonypi_compat_report_event(device_event);
3164 return IRQ_HANDLED;
3165}
3166
3167/*****************
3168 *
3169 * ACPI driver
3170 *
3171 *****************/
3172static int sony_pic_remove(struct acpi_device *device, int type)
3173{
3174 struct sony_pic_ioport *io, *tmp_io;
3175 struct sony_pic_irq *irq, *tmp_irq;
3176
3177 if (sony_pic_disable(device)) {
3178 pr_err("Couldn't disable device\n");
3179 return -ENXIO;
3180 }
3181
3182 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3183 release_region(spic_dev.cur_ioport->io1.minimum,
3184 spic_dev.cur_ioport->io1.address_length);
3185 if (spic_dev.cur_ioport->io2.minimum)
3186 release_region(spic_dev.cur_ioport->io2.minimum,
3187 spic_dev.cur_ioport->io2.address_length);
3188
3189 sonypi_compat_exit();
3190
3191 sony_laptop_remove_input();
3192
3193 /* pf attrs */
3194 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3195 sony_pf_remove();
3196
3197 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3198 list_del(&io->list);
3199 kfree(io);
3200 }
3201 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3202 list_del(&irq->list);
3203 kfree(irq);
3204 }
3205 spic_dev.cur_ioport = NULL;
3206 spic_dev.cur_irq = NULL;
3207
3208 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
3209 return 0;
3210}
3211
3212static int sony_pic_add(struct acpi_device *device)
3213{
3214 int result;
3215 struct sony_pic_ioport *io, *tmp_io;
3216 struct sony_pic_irq *irq, *tmp_irq;
3217
3218 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
3219
3220 spic_dev.acpi_dev = device;
3221 strcpy(acpi_device_class(device), "sony/hotkey");
3222 sony_pic_detect_device_type(&spic_dev);
3223 mutex_init(&spic_dev.lock);
3224
3225 /* read _PRS resources */
3226 result = sony_pic_possible_resources(device);
3227 if (result) {
3228 pr_err("Unable to read possible resources\n");
3229 goto err_free_resources;
3230 }
3231
3232 /* setup input devices and helper fifo */
3233 result = sony_laptop_setup_input(device);
3234 if (result) {
3235 pr_err("Unable to create input devices\n");
3236 goto err_free_resources;
3237 }
3238
3239 if (sonypi_compat_init())
3240 goto err_remove_input;
3241
3242 /* request io port */
3243 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
3244 if (request_region(io->io1.minimum, io->io1.address_length,
3245 "Sony Programmable I/O Device")) {
3246 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
3247 io->io1.minimum, io->io1.maximum,
3248 io->io1.address_length);
3249 /* Type 1 have 2 ioports */
3250 if (io->io2.minimum) {
3251 if (request_region(io->io2.minimum,
3252 io->io2.address_length,
3253 "Sony Programmable I/O Device")) {
3254 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
3255 io->io2.minimum, io->io2.maximum,
3256 io->io2.address_length);
3257 spic_dev.cur_ioport = io;
3258 break;
3259 }
3260 else {
3261 dprintk("Unable to get I/O port2: "
3262 "0x%.4x (0x%.4x) + 0x%.2x\n",
3263 io->io2.minimum, io->io2.maximum,
3264 io->io2.address_length);
3265 release_region(io->io1.minimum,
3266 io->io1.address_length);
3267 }
3268 }
3269 else {
3270 spic_dev.cur_ioport = io;
3271 break;
3272 }
3273 }
3274 }
3275 if (!spic_dev.cur_ioport) {
3276 pr_err("Failed to request_region\n");
3277 result = -ENODEV;
3278 goto err_remove_compat;
3279 }
3280
3281 /* request IRQ */
3282 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
3283 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
3284 IRQF_DISABLED, "sony-laptop", &spic_dev)) {
3285 dprintk("IRQ: %d - triggering: %d - "
3286 "polarity: %d - shr: %d\n",
3287 irq->irq.interrupts[0],
3288 irq->irq.triggering,
3289 irq->irq.polarity,
3290 irq->irq.sharable);
3291 spic_dev.cur_irq = irq;
3292 break;
3293 }
3294 }
3295 if (!spic_dev.cur_irq) {
3296 pr_err("Failed to request_irq\n");
3297 result = -ENODEV;
3298 goto err_release_region;
3299 }
3300
3301 /* set resource status _SRS */
3302 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3303 if (result) {
3304 pr_err("Couldn't enable device\n");
3305 goto err_free_irq;
3306 }
3307
3308 spic_dev.bluetooth_power = -1;
3309 /* create device attributes */
3310 result = sony_pf_add();
3311 if (result)
3312 goto err_disable_device;
3313
3314 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3315 if (result)
3316 goto err_remove_pf;
3317
3318 return 0;
3319
3320err_remove_pf:
3321 sony_pf_remove();
3322
3323err_disable_device:
3324 sony_pic_disable(device);
3325
3326err_free_irq:
3327 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3328
3329err_release_region:
3330 release_region(spic_dev.cur_ioport->io1.minimum,
3331 spic_dev.cur_ioport->io1.address_length);
3332 if (spic_dev.cur_ioport->io2.minimum)
3333 release_region(spic_dev.cur_ioport->io2.minimum,
3334 spic_dev.cur_ioport->io2.address_length);
3335
3336err_remove_compat:
3337 sonypi_compat_exit();
3338
3339err_remove_input:
3340 sony_laptop_remove_input();
3341
3342err_free_resources:
3343 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3344 list_del(&io->list);
3345 kfree(io);
3346 }
3347 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3348 list_del(&irq->list);
3349 kfree(irq);
3350 }
3351 spic_dev.cur_ioport = NULL;
3352 spic_dev.cur_irq = NULL;
3353
3354 return result;
3355}
3356
3357static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
3358{
3359 if (sony_pic_disable(device))
3360 return -ENXIO;
3361 return 0;
3362}
3363
3364static int sony_pic_resume(struct acpi_device *device)
3365{
3366 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3367 return 0;
3368}
3369
3370static const struct acpi_device_id sony_pic_device_ids[] = {
3371 {SONY_PIC_HID, 0},
3372 {"", 0},
3373};
3374
3375static struct acpi_driver sony_pic_driver = {
3376 .name = SONY_PIC_DRIVER_NAME,
3377 .class = SONY_PIC_CLASS,
3378 .ids = sony_pic_device_ids,
3379 .owner = THIS_MODULE,
3380 .ops = {
3381 .add = sony_pic_add,
3382 .remove = sony_pic_remove,
3383 .suspend = sony_pic_suspend,
3384 .resume = sony_pic_resume,
3385 },
3386};
3387
3388static struct dmi_system_id __initdata sonypi_dmi_table[] = {
3389 {
3390 .ident = "Sony Vaio",
3391 .matches = {
3392 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3393 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
3394 },
3395 },
3396 {
3397 .ident = "Sony Vaio",
3398 .matches = {
3399 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3400 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
3401 },
3402 },
3403 { }
3404};
3405
3406static int __init sony_laptop_init(void)
3407{
3408 int result;
3409
3410 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
3411 result = acpi_bus_register_driver(&sony_pic_driver);
3412 if (result) {
3413 pr_err("Unable to register SPIC driver\n");
3414 goto out;
3415 }
3416 spic_drv_registered = 1;
3417 }
3418
3419 result = acpi_bus_register_driver(&sony_nc_driver);
3420 if (result) {
3421 pr_err("Unable to register SNC driver\n");
3422 goto out_unregister_pic;
3423 }
3424
3425 return 0;
3426
3427out_unregister_pic:
3428 if (spic_drv_registered)
3429 acpi_bus_unregister_driver(&sony_pic_driver);
3430out:
3431 return result;
3432}
3433
3434static void __exit sony_laptop_exit(void)
3435{
3436 acpi_bus_unregister_driver(&sony_nc_driver);
3437 if (spic_drv_registered)
3438 acpi_bus_unregister_driver(&sony_pic_driver);
3439}
3440
3441module_init(sony_laptop_init);
3442module_exit(sony_laptop_exit);
1/*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
46
47#include <linux/kernel.h>
48#include <linux/module.h>
49#include <linux/moduleparam.h>
50#include <linux/init.h>
51#include <linux/types.h>
52#include <linux/backlight.h>
53#include <linux/platform_device.h>
54#include <linux/err.h>
55#include <linux/dmi.h>
56#include <linux/pci.h>
57#include <linux/interrupt.h>
58#include <linux/delay.h>
59#include <linux/input.h>
60#include <linux/kfifo.h>
61#include <linux/workqueue.h>
62#include <linux/acpi.h>
63#include <linux/slab.h>
64#include <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);
144static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
145 unsigned int handle);
146static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
147
148static int sony_nc_battery_care_setup(struct platform_device *pd,
149 unsigned int handle);
150static void sony_nc_battery_care_cleanup(struct platform_device *pd);
151
152static int sony_nc_thermal_setup(struct platform_device *pd);
153static void sony_nc_thermal_cleanup(struct platform_device *pd);
154static void sony_nc_thermal_resume(void);
155
156static int sony_nc_lid_resume_setup(struct platform_device *pd);
157static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
158
159static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
160static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
161
162static int sony_nc_touchpad_setup(struct platform_device *pd,
163 unsigned int handle);
164static void sony_nc_touchpad_cleanup(struct platform_device *pd);
165
166enum sony_nc_rfkill {
167 SONY_WIFI,
168 SONY_BLUETOOTH,
169 SONY_WWAN,
170 SONY_WIMAX,
171 N_SONY_RFKILL,
172};
173
174static int sony_rfkill_handle;
175static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
176static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
177static int sony_nc_rfkill_setup(struct acpi_device *device,
178 unsigned int handle);
179static void sony_nc_rfkill_cleanup(void);
180static void sony_nc_rfkill_update(void);
181
182/*********** Input Devices ***********/
183
184#define SONY_LAPTOP_BUF_SIZE 128
185struct sony_laptop_input_s {
186 atomic_t users;
187 struct input_dev *jog_dev;
188 struct input_dev *key_dev;
189 struct kfifo fifo;
190 spinlock_t fifo_lock;
191 struct timer_list release_key_timer;
192};
193
194static struct sony_laptop_input_s sony_laptop_input = {
195 .users = ATOMIC_INIT(0),
196};
197
198struct sony_laptop_keypress {
199 struct input_dev *dev;
200 int key;
201};
202
203/* Correspondance table between sonypi events
204 * and input layer indexes in the keymap
205 */
206static int sony_laptop_input_index[] = {
207 -1, /* 0 no event */
208 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
209 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
210 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
211 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
212 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
213 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
214 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
215 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
216 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
217 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
218 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
219 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
220 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
221 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
222 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
223 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
224 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
225 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
226 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
227 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
228 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
229 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
230 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
231 17, /* 24 SONYPI_EVENT_FNKEY_1 */
232 18, /* 25 SONYPI_EVENT_FNKEY_2 */
233 19, /* 26 SONYPI_EVENT_FNKEY_D */
234 20, /* 27 SONYPI_EVENT_FNKEY_E */
235 21, /* 28 SONYPI_EVENT_FNKEY_F */
236 22, /* 29 SONYPI_EVENT_FNKEY_S */
237 23, /* 30 SONYPI_EVENT_FNKEY_B */
238 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
239 25, /* 32 SONYPI_EVENT_PKEY_P1 */
240 26, /* 33 SONYPI_EVENT_PKEY_P2 */
241 27, /* 34 SONYPI_EVENT_PKEY_P3 */
242 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
243 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
244 -1, /* 37 SONYPI_EVENT_LID_OPENED */
245 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
246 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
247 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
248 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
249 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
250 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
251 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
252 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
253 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
254 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
255 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
256 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
257 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
258 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
259 43, /* 52 SONYPI_EVENT_MEYE_FACE */
260 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
261 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
262 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
263 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
264 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
265 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
266 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
267 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
268 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
269 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
270 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
271 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
272 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
273 53, /* 66 SONYPI_EVENT_PKEY_P4 */
274 54, /* 67 SONYPI_EVENT_PKEY_P5 */
275 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
276 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
277 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
278 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
279 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
280 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
281};
282
283static int sony_laptop_input_keycode_map[] = {
284 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
285 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
286 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
287 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
288 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
289 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
290 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
291 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
292 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
293 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
294 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
295 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
296 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
297 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
298 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
299 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
300 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
301 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
302 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
303 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
304 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
305 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
306 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
307 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
308 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
309 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
310 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
311 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
312 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
313 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
314 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
315 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
316 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
317 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
318 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
319 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
320 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
321 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
322 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
323 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
324 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
325 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
326 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
327 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
328 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
329 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
330 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
331 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
332 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
333 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
334 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
335 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
336 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
337 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
338 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
339 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
340 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
341 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
342 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
343 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
344};
345
346/* release buttons after a short delay if pressed */
347static void do_sony_laptop_release_key(unsigned long unused)
348{
349 struct sony_laptop_keypress kp;
350 unsigned long flags;
351
352 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
353
354 if (kfifo_out(&sony_laptop_input.fifo,
355 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
356 input_report_key(kp.dev, kp.key, 0);
357 input_sync(kp.dev);
358 }
359
360 /* If there is something in the fifo schedule next release. */
361 if (kfifo_len(&sony_laptop_input.fifo) != 0)
362 mod_timer(&sony_laptop_input.release_key_timer,
363 jiffies + msecs_to_jiffies(10));
364
365 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
366}
367
368/* forward event to the input subsystem */
369static void sony_laptop_report_input_event(u8 event)
370{
371 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
372 struct input_dev *key_dev = sony_laptop_input.key_dev;
373 struct sony_laptop_keypress kp = { NULL };
374 int scancode = -1;
375
376 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
377 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
378 /* Nothing, not all VAIOs generate this event */
379 return;
380 }
381
382 /* report events */
383 switch (event) {
384 /* jog_dev events */
385 case SONYPI_EVENT_JOGDIAL_UP:
386 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
387 input_report_rel(jog_dev, REL_WHEEL, 1);
388 input_sync(jog_dev);
389 return;
390
391 case SONYPI_EVENT_JOGDIAL_DOWN:
392 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
393 input_report_rel(jog_dev, REL_WHEEL, -1);
394 input_sync(jog_dev);
395 return;
396
397 /* key_dev events */
398 case SONYPI_EVENT_JOGDIAL_PRESSED:
399 kp.key = BTN_MIDDLE;
400 kp.dev = jog_dev;
401 break;
402
403 default:
404 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
405 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
406 break;
407 }
408 if ((scancode = sony_laptop_input_index[event]) != -1) {
409 kp.key = sony_laptop_input_keycode_map[scancode];
410 if (kp.key != KEY_UNKNOWN)
411 kp.dev = key_dev;
412 }
413 break;
414 }
415
416 if (kp.dev) {
417 /* if we have a scancode we emit it so we can always
418 remap the key */
419 if (scancode != -1)
420 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
421 input_report_key(kp.dev, kp.key, 1);
422 input_sync(kp.dev);
423
424 /* schedule key release */
425 kfifo_in_locked(&sony_laptop_input.fifo,
426 (unsigned char *)&kp, sizeof(kp),
427 &sony_laptop_input.fifo_lock);
428 mod_timer(&sony_laptop_input.release_key_timer,
429 jiffies + msecs_to_jiffies(10));
430 } else
431 dprintk("unknown input event %.2x\n", event);
432}
433
434static int sony_laptop_setup_input(struct acpi_device *acpi_device)
435{
436 struct input_dev *jog_dev;
437 struct input_dev *key_dev;
438 int i;
439 int error;
440
441 /* don't run again if already initialized */
442 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
443 return 0;
444
445 /* kfifo */
446 spin_lock_init(&sony_laptop_input.fifo_lock);
447 error = kfifo_alloc(&sony_laptop_input.fifo,
448 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
449 if (error) {
450 pr_err("kfifo_alloc failed\n");
451 goto err_dec_users;
452 }
453
454 setup_timer(&sony_laptop_input.release_key_timer,
455 do_sony_laptop_release_key, 0);
456
457 /* input keys */
458 key_dev = input_allocate_device();
459 if (!key_dev) {
460 error = -ENOMEM;
461 goto err_free_kfifo;
462 }
463
464 key_dev->name = "Sony Vaio Keys";
465 key_dev->id.bustype = BUS_ISA;
466 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
467 key_dev->dev.parent = &acpi_device->dev;
468
469 /* Initialize the Input Drivers: special keys */
470 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
471
472 __set_bit(EV_KEY, key_dev->evbit);
473 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
474 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
475 key_dev->keycode = &sony_laptop_input_keycode_map;
476 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
477 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
478 __clear_bit(KEY_RESERVED, key_dev->keybit);
479
480 error = input_register_device(key_dev);
481 if (error)
482 goto err_free_keydev;
483
484 sony_laptop_input.key_dev = key_dev;
485
486 /* jogdial */
487 jog_dev = input_allocate_device();
488 if (!jog_dev) {
489 error = -ENOMEM;
490 goto err_unregister_keydev;
491 }
492
493 jog_dev->name = "Sony Vaio Jogdial";
494 jog_dev->id.bustype = BUS_ISA;
495 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
496 jog_dev->dev.parent = &acpi_device->dev;
497
498 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
499 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
500
501 error = input_register_device(jog_dev);
502 if (error)
503 goto err_free_jogdev;
504
505 sony_laptop_input.jog_dev = jog_dev;
506
507 return 0;
508
509err_free_jogdev:
510 input_free_device(jog_dev);
511
512err_unregister_keydev:
513 input_unregister_device(key_dev);
514 /* to avoid kref underflow below at input_free_device */
515 key_dev = NULL;
516
517err_free_keydev:
518 input_free_device(key_dev);
519
520err_free_kfifo:
521 kfifo_free(&sony_laptop_input.fifo);
522
523err_dec_users:
524 atomic_dec(&sony_laptop_input.users);
525 return error;
526}
527
528static void sony_laptop_remove_input(void)
529{
530 struct sony_laptop_keypress kp = { NULL };
531
532 /* Cleanup only after the last user has gone */
533 if (!atomic_dec_and_test(&sony_laptop_input.users))
534 return;
535
536 del_timer_sync(&sony_laptop_input.release_key_timer);
537
538 /*
539 * Generate key-up events for remaining keys. Note that we don't
540 * need locking since nobody is adding new events to the kfifo.
541 */
542 while (kfifo_out(&sony_laptop_input.fifo,
543 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
544 input_report_key(kp.dev, kp.key, 0);
545 input_sync(kp.dev);
546 }
547
548 /* destroy input devs */
549 input_unregister_device(sony_laptop_input.key_dev);
550 sony_laptop_input.key_dev = NULL;
551
552 if (sony_laptop_input.jog_dev) {
553 input_unregister_device(sony_laptop_input.jog_dev);
554 sony_laptop_input.jog_dev = NULL;
555 }
556
557 kfifo_free(&sony_laptop_input.fifo);
558}
559
560/*********** Platform Device ***********/
561
562static atomic_t sony_pf_users = ATOMIC_INIT(0);
563static struct platform_driver sony_pf_driver = {
564 .driver = {
565 .name = "sony-laptop",
566 .owner = THIS_MODULE,
567 }
568};
569static struct platform_device *sony_pf_device;
570
571static int sony_pf_add(void)
572{
573 int ret = 0;
574
575 /* don't run again if already initialized */
576 if (atomic_add_return(1, &sony_pf_users) > 1)
577 return 0;
578
579 ret = platform_driver_register(&sony_pf_driver);
580 if (ret)
581 goto out;
582
583 sony_pf_device = platform_device_alloc("sony-laptop", -1);
584 if (!sony_pf_device) {
585 ret = -ENOMEM;
586 goto out_platform_registered;
587 }
588
589 ret = platform_device_add(sony_pf_device);
590 if (ret)
591 goto out_platform_alloced;
592
593 return 0;
594
595 out_platform_alloced:
596 platform_device_put(sony_pf_device);
597 sony_pf_device = NULL;
598 out_platform_registered:
599 platform_driver_unregister(&sony_pf_driver);
600 out:
601 atomic_dec(&sony_pf_users);
602 return ret;
603}
604
605static void sony_pf_remove(void)
606{
607 /* deregister only after the last user has gone */
608 if (!atomic_dec_and_test(&sony_pf_users))
609 return;
610
611 platform_device_unregister(sony_pf_device);
612 platform_driver_unregister(&sony_pf_driver);
613}
614
615/*********** SNC (SNY5001) Device ***********/
616
617/* the device uses 1-based values, while the backlight subsystem uses
618 0-based values */
619#define SONY_MAX_BRIGHTNESS 8
620
621#define SNC_VALIDATE_IN 0
622#define SNC_VALIDATE_OUT 1
623
624static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
625 char *);
626static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
627 const char *, size_t);
628static int boolean_validate(const int, const int);
629static int brightness_default_validate(const int, const int);
630
631struct sony_nc_value {
632 char *name; /* name of the entry */
633 char **acpiget; /* names of the ACPI get function */
634 char **acpiset; /* names of the ACPI set function */
635 int (*validate)(const int, const int); /* input/output validation */
636 int value; /* current setting */
637 int valid; /* Has ever been set */
638 int debug; /* active only in debug mode ? */
639 struct device_attribute devattr; /* sysfs attribute */
640};
641
642#define SNC_HANDLE_NAMES(_name, _values...) \
643 static char *snc_##_name[] = { _values, NULL }
644
645#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
646 { \
647 .name = __stringify(_name), \
648 .acpiget = _getters, \
649 .acpiset = _setters, \
650 .validate = _validate, \
651 .debug = _debug, \
652 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
653 }
654
655#define SNC_HANDLE_NULL { .name = NULL }
656
657SNC_HANDLE_NAMES(fnkey_get, "GHKE");
658
659SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
660SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
661
662SNC_HANDLE_NAMES(cdpower_get, "GCDP");
663SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
664
665SNC_HANDLE_NAMES(audiopower_get, "GAZP");
666SNC_HANDLE_NAMES(audiopower_set, "AZPW");
667
668SNC_HANDLE_NAMES(lanpower_get, "GLNP");
669SNC_HANDLE_NAMES(lanpower_set, "LNPW");
670
671SNC_HANDLE_NAMES(lidstate_get, "GLID");
672
673SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
674SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
675
676SNC_HANDLE_NAMES(gainbass_get, "GMGB");
677SNC_HANDLE_NAMES(gainbass_set, "CMGB");
678
679SNC_HANDLE_NAMES(PID_get, "GPID");
680
681SNC_HANDLE_NAMES(CTR_get, "GCTR");
682SNC_HANDLE_NAMES(CTR_set, "SCTR");
683
684SNC_HANDLE_NAMES(PCR_get, "GPCR");
685SNC_HANDLE_NAMES(PCR_set, "SPCR");
686
687SNC_HANDLE_NAMES(CMI_get, "GCMI");
688SNC_HANDLE_NAMES(CMI_set, "SCMI");
689
690static struct sony_nc_value sony_nc_values[] = {
691 SNC_HANDLE(brightness_default, snc_brightness_def_get,
692 snc_brightness_def_set, brightness_default_validate, 0),
693 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
694 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
695 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
696 boolean_validate, 0),
697 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
698 boolean_validate, 1),
699 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
700 boolean_validate, 0),
701 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
702 boolean_validate, 0),
703 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
704 boolean_validate, 0),
705 /* unknown methods */
706 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
707 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
708 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
709 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
710 SNC_HANDLE_NULL
711};
712
713static acpi_handle sony_nc_acpi_handle;
714static struct acpi_device *sony_nc_acpi_device = NULL;
715
716/*
717 * acpi_evaluate_object wrappers
718 * all useful calls into SNC methods take one or zero parameters and return
719 * integers or arrays.
720 */
721static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
722 u64 *value)
723{
724 union acpi_object *result = NULL;
725 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
726 acpi_status status;
727
728 if (value) {
729 struct acpi_object_list params;
730 union acpi_object in;
731 in.type = ACPI_TYPE_INTEGER;
732 in.integer.value = *value;
733 params.count = 1;
734 params.pointer = ∈
735 status = acpi_evaluate_object(handle, method, ¶ms, &output);
736 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
737 (unsigned int)(*value >> 32),
738 (unsigned int)*value & 0xffffffff);
739 } else {
740 status = acpi_evaluate_object(handle, method, NULL, &output);
741 dprintk("__call_snc_method: [%s]\n", method);
742 }
743
744 if (ACPI_FAILURE(status)) {
745 pr_err("Failed to evaluate [%s]\n", method);
746 return NULL;
747 }
748
749 result = (union acpi_object *) output.pointer;
750 if (!result)
751 dprintk("No return object [%s]\n", method);
752
753 return result;
754}
755
756static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
757 int *result)
758{
759 union acpi_object *object = NULL;
760 if (value) {
761 u64 v = *value;
762 object = __call_snc_method(handle, name, &v);
763 } else
764 object = __call_snc_method(handle, name, NULL);
765
766 if (!object)
767 return -EINVAL;
768
769 if (object->type != ACPI_TYPE_INTEGER) {
770 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
771 ACPI_TYPE_INTEGER, object->type);
772 kfree(object);
773 return -EINVAL;
774 }
775
776 if (result)
777 *result = object->integer.value;
778
779 kfree(object);
780 return 0;
781}
782
783#define MIN(a, b) (a > b ? b : a)
784static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
785 void *buffer, size_t buflen)
786{
787 size_t len = len;
788 union acpi_object *object = __call_snc_method(handle, name, value);
789
790 if (!object)
791 return -EINVAL;
792
793 if (object->type == ACPI_TYPE_BUFFER)
794 len = MIN(buflen, object->buffer.length);
795
796 else if (object->type == ACPI_TYPE_INTEGER)
797 len = MIN(buflen, sizeof(object->integer.value));
798
799 else {
800 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
801 ACPI_TYPE_BUFFER, object->type);
802 kfree(object);
803 return -EINVAL;
804 }
805
806 memcpy(buffer, object->buffer.pointer, len);
807 kfree(object);
808 return 0;
809}
810
811struct sony_nc_handles {
812 u16 cap[0x10];
813 struct device_attribute devattr;
814};
815
816static struct sony_nc_handles *handles;
817
818static ssize_t sony_nc_handles_show(struct device *dev,
819 struct device_attribute *attr, char *buffer)
820{
821 ssize_t len = 0;
822 int i;
823
824 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
825 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
826 handles->cap[i]);
827 }
828 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
829
830 return len;
831}
832
833static int sony_nc_handles_setup(struct platform_device *pd)
834{
835 int i, r, result, arg;
836
837 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
838 if (!handles)
839 return -ENOMEM;
840
841 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
842 arg = i + 0x20;
843 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
844 &result);
845 if (!r) {
846 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
847 result, i);
848 handles->cap[i] = result;
849 }
850 }
851
852 if (debug) {
853 sysfs_attr_init(&handles->devattr.attr);
854 handles->devattr.attr.name = "handles";
855 handles->devattr.attr.mode = S_IRUGO;
856 handles->devattr.show = sony_nc_handles_show;
857
858 /* allow reading capabilities via sysfs */
859 if (device_create_file(&pd->dev, &handles->devattr)) {
860 kfree(handles);
861 handles = NULL;
862 return -1;
863 }
864 }
865
866 return 0;
867}
868
869static int sony_nc_handles_cleanup(struct platform_device *pd)
870{
871 if (handles) {
872 if (debug)
873 device_remove_file(&pd->dev, &handles->devattr);
874 kfree(handles);
875 handles = NULL;
876 }
877 return 0;
878}
879
880static int sony_find_snc_handle(int handle)
881{
882 int i;
883
884 /* not initialized yet, return early */
885 if (!handles || !handle)
886 return -EINVAL;
887
888 for (i = 0; i < 0x10; i++) {
889 if (handles->cap[i] == handle) {
890 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
891 handle, i);
892 return i;
893 }
894 }
895 dprintk("handle 0x%.4x not found\n", handle);
896 return -EINVAL;
897}
898
899static int sony_call_snc_handle(int handle, int argument, int *result)
900{
901 int arg, ret = 0;
902 int offset = sony_find_snc_handle(handle);
903
904 if (offset < 0)
905 return offset;
906
907 arg = offset | argument;
908 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
909 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
910 return ret;
911}
912
913/*
914 * sony_nc_values input/output validate functions
915 */
916
917/* brightness_default_validate:
918 *
919 * manipulate input output values to keep consistency with the
920 * backlight framework for which brightness values are 0-based.
921 */
922static int brightness_default_validate(const int direction, const int value)
923{
924 switch (direction) {
925 case SNC_VALIDATE_OUT:
926 return value - 1;
927 case SNC_VALIDATE_IN:
928 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
929 return value + 1;
930 }
931 return -EINVAL;
932}
933
934/* boolean_validate:
935 *
936 * on input validate boolean values 0/1, on output just pass the
937 * received value.
938 */
939static int boolean_validate(const int direction, const int value)
940{
941 if (direction == SNC_VALIDATE_IN) {
942 if (value != 0 && value != 1)
943 return -EINVAL;
944 }
945 return value;
946}
947
948/*
949 * Sysfs show/store common to all sony_nc_values
950 */
951static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
952 char *buffer)
953{
954 int value, ret = 0;
955 struct sony_nc_value *item =
956 container_of(attr, struct sony_nc_value, devattr);
957
958 if (!*item->acpiget)
959 return -EIO;
960
961 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
962 &value);
963 if (ret < 0)
964 return -EIO;
965
966 if (item->validate)
967 value = item->validate(SNC_VALIDATE_OUT, value);
968
969 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
970}
971
972static ssize_t sony_nc_sysfs_store(struct device *dev,
973 struct device_attribute *attr,
974 const char *buffer, size_t count)
975{
976 int value;
977 int ret = 0;
978 struct sony_nc_value *item =
979 container_of(attr, struct sony_nc_value, devattr);
980
981 if (!item->acpiset)
982 return -EIO;
983
984 if (count > 31)
985 return -EINVAL;
986
987 if (kstrtoint(buffer, 10, &value))
988 return -EINVAL;
989
990 if (item->validate)
991 value = item->validate(SNC_VALIDATE_IN, value);
992
993 if (value < 0)
994 return value;
995
996 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
997 &value, NULL);
998 if (ret < 0)
999 return -EIO;
1000
1001 item->value = value;
1002 item->valid = 1;
1003 return count;
1004}
1005
1006
1007/*
1008 * Backlight device
1009 */
1010struct sony_backlight_props {
1011 struct backlight_device *dev;
1012 int handle;
1013 int cmd_base;
1014 u8 offset;
1015 u8 maxlvl;
1016};
1017struct sony_backlight_props sony_bl_props;
1018
1019static int sony_backlight_update_status(struct backlight_device *bd)
1020{
1021 int arg = bd->props.brightness + 1;
1022 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1023}
1024
1025static int sony_backlight_get_brightness(struct backlight_device *bd)
1026{
1027 int value;
1028
1029 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1030 return 0;
1031 /* brightness levels are 1-based, while backlight ones are 0-based */
1032 return value - 1;
1033}
1034
1035static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1036{
1037 int result;
1038 struct sony_backlight_props *sdev =
1039 (struct sony_backlight_props *)bl_get_data(bd);
1040
1041 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1042
1043 return (result & 0xff) - sdev->offset;
1044}
1045
1046static int sony_nc_update_status_ng(struct backlight_device *bd)
1047{
1048 int value, result;
1049 struct sony_backlight_props *sdev =
1050 (struct sony_backlight_props *)bl_get_data(bd);
1051
1052 value = bd->props.brightness + sdev->offset;
1053 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1054 &result))
1055 return -EIO;
1056
1057 return value;
1058}
1059
1060static const struct backlight_ops sony_backlight_ops = {
1061 .options = BL_CORE_SUSPENDRESUME,
1062 .update_status = sony_backlight_update_status,
1063 .get_brightness = sony_backlight_get_brightness,
1064};
1065static const struct backlight_ops sony_backlight_ng_ops = {
1066 .options = BL_CORE_SUSPENDRESUME,
1067 .update_status = sony_nc_update_status_ng,
1068 .get_brightness = sony_nc_get_brightness_ng,
1069};
1070
1071/*
1072 * New SNC-only Vaios event mapping to driver known keys
1073 */
1074struct sony_nc_event {
1075 u8 data;
1076 u8 event;
1077};
1078
1079static struct sony_nc_event sony_100_events[] = {
1080 { 0x90, SONYPI_EVENT_PKEY_P1 },
1081 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1082 { 0x91, SONYPI_EVENT_PKEY_P2 },
1083 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1084 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1085 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1086 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1087 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1088 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1089 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1090 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1091 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1092 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1093 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1094 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1095 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1096 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1097 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1098 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1099 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1100 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1101 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1102 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1103 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1104 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1105 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1106 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1107 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1108 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1109 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1110 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1111 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1112 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1113 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1114 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1115 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1116 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1117 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1118 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1119 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1120 { 0, 0 },
1121};
1122
1123static struct sony_nc_event sony_127_events[] = {
1124 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1125 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1126 { 0x82, SONYPI_EVENT_PKEY_P1 },
1127 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1128 { 0x83, SONYPI_EVENT_PKEY_P2 },
1129 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1130 { 0x84, SONYPI_EVENT_PKEY_P3 },
1131 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1132 { 0x85, SONYPI_EVENT_PKEY_P4 },
1133 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1134 { 0x86, SONYPI_EVENT_PKEY_P5 },
1135 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1136 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1137 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1138 { 0, 0 },
1139};
1140
1141static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1142{
1143 int ret = -EINVAL;
1144 unsigned int result = 0;
1145 struct sony_nc_event *key_event;
1146
1147 if (sony_call_snc_handle(handle, 0x200, &result)) {
1148 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1149 event);
1150 return -EINVAL;
1151 }
1152
1153 result &= 0xFF;
1154
1155 if (handle == 0x0100)
1156 key_event = sony_100_events;
1157 else
1158 key_event = sony_127_events;
1159
1160 for (; key_event->data; key_event++) {
1161 if (key_event->data == result) {
1162 ret = key_event->event;
1163 break;
1164 }
1165 }
1166
1167 if (!key_event->data)
1168 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1169 event, result, handle);
1170
1171 return ret;
1172}
1173
1174/*
1175 * ACPI callbacks
1176 */
1177enum event_types {
1178 HOTKEY = 1,
1179 KILLSWITCH,
1180 GFX_SWITCH
1181};
1182static void sony_nc_notify(struct acpi_device *device, u32 event)
1183{
1184 u32 real_ev = event;
1185 u8 ev_type = 0;
1186 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1187
1188 if (event >= 0x90) {
1189 unsigned int result = 0;
1190 unsigned int arg = 0;
1191 unsigned int handle = 0;
1192 unsigned int offset = event - 0x90;
1193
1194 if (offset >= ARRAY_SIZE(handles->cap)) {
1195 pr_err("Event 0x%x outside of capabilities list\n",
1196 event);
1197 return;
1198 }
1199 handle = handles->cap[offset];
1200
1201 /* list of handles known for generating events */
1202 switch (handle) {
1203 /* hotkey event */
1204 case 0x0100:
1205 case 0x0127:
1206 ev_type = HOTKEY;
1207 real_ev = sony_nc_hotkeys_decode(event, handle);
1208
1209 if (real_ev > 0)
1210 sony_laptop_report_input_event(real_ev);
1211 else
1212 /* restore the original event for reporting */
1213 real_ev = event;
1214
1215 break;
1216
1217 /* wlan switch */
1218 case 0x0124:
1219 case 0x0135:
1220 /* events on this handle are reported when the
1221 * switch changes position or for battery
1222 * events. We'll notify both of them but only
1223 * update the rfkill device status when the
1224 * switch is moved.
1225 */
1226 ev_type = KILLSWITCH;
1227 sony_call_snc_handle(handle, 0x0100, &result);
1228 real_ev = result & 0x03;
1229
1230 /* hw switch event */
1231 if (real_ev == 1)
1232 sony_nc_rfkill_update();
1233
1234 break;
1235
1236 case 0x0128:
1237 case 0x0146:
1238 /* Hybrid GFX switching */
1239 sony_call_snc_handle(handle, 0x0000, &result);
1240 dprintk("GFX switch event received (reason: %s)\n",
1241 (result & 0x01) ?
1242 "switch change" : "unknown");
1243
1244 /* verify the switch state
1245 * 1: discrete GFX
1246 * 0: integrated GFX
1247 */
1248 sony_call_snc_handle(handle, 0x0100, &result);
1249
1250 ev_type = GFX_SWITCH;
1251 real_ev = result & 0xff;
1252 break;
1253
1254 default:
1255 dprintk("Unknown event 0x%x for handle 0x%x\n",
1256 event, handle);
1257 break;
1258 }
1259
1260 /* clear the event (and the event reason when present) */
1261 arg = 1 << offset;
1262 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1263
1264 } else {
1265 /* old style event */
1266 ev_type = HOTKEY;
1267 sony_laptop_report_input_event(real_ev);
1268 }
1269
1270 acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev);
1271
1272 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1273 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1274}
1275
1276static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1277 void *context, void **return_value)
1278{
1279 struct acpi_device_info *info;
1280
1281 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1282 pr_warn("method: name: %4.4s, args %X\n",
1283 (char *)&info->name, info->param_count);
1284
1285 kfree(info);
1286 }
1287
1288 return AE_OK;
1289}
1290
1291/*
1292 * ACPI device
1293 */
1294static void sony_nc_function_setup(struct acpi_device *device,
1295 struct platform_device *pf_device)
1296{
1297 unsigned int i, result, bitmask, arg;
1298
1299 if (!handles)
1300 return;
1301
1302 /* setup found handles here */
1303 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1304 unsigned int handle = handles->cap[i];
1305
1306 if (!handle)
1307 continue;
1308
1309 dprintk("setting up handle 0x%.4x\n", handle);
1310
1311 switch (handle) {
1312 case 0x0100:
1313 case 0x0101:
1314 case 0x0127:
1315 /* setup hotkeys */
1316 sony_call_snc_handle(handle, 0, &result);
1317 break;
1318 case 0x0102:
1319 /* setup hotkeys */
1320 sony_call_snc_handle(handle, 0x100, &result);
1321 break;
1322 case 0x0105:
1323 case 0x0148:
1324 /* touchpad enable/disable */
1325 result = sony_nc_touchpad_setup(pf_device, handle);
1326 if (result)
1327 pr_err("couldn't set up touchpad control function (%d)\n",
1328 result);
1329 break;
1330 case 0x0115:
1331 case 0x0136:
1332 case 0x013f:
1333 result = sony_nc_battery_care_setup(pf_device, handle);
1334 if (result)
1335 pr_err("couldn't set up battery care function (%d)\n",
1336 result);
1337 break;
1338 case 0x0119:
1339 result = sony_nc_lid_resume_setup(pf_device);
1340 if (result)
1341 pr_err("couldn't set up lid resume function (%d)\n",
1342 result);
1343 break;
1344 case 0x0122:
1345 result = sony_nc_thermal_setup(pf_device);
1346 if (result)
1347 pr_err("couldn't set up thermal profile function (%d)\n",
1348 result);
1349 break;
1350 case 0x0131:
1351 result = sony_nc_highspeed_charging_setup(pf_device);
1352 if (result)
1353 pr_err("couldn't set up high speed charging function (%d)\n",
1354 result);
1355 break;
1356 case 0x0124:
1357 case 0x0135:
1358 result = sony_nc_rfkill_setup(device, handle);
1359 if (result)
1360 pr_err("couldn't set up rfkill support (%d)\n",
1361 result);
1362 break;
1363 case 0x0137:
1364 case 0x0143:
1365 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1366 if (result)
1367 pr_err("couldn't set up keyboard backlight function (%d)\n",
1368 result);
1369 break;
1370 default:
1371 continue;
1372 }
1373 }
1374
1375 /* Enable all events */
1376 arg = 0x10;
1377 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1378 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1379 &result);
1380}
1381
1382static void sony_nc_function_cleanup(struct platform_device *pd)
1383{
1384 unsigned int i, result, bitmask, handle;
1385
1386 /* get enabled events and disable them */
1387 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1388 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1389
1390 /* cleanup handles here */
1391 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1392
1393 handle = handles->cap[i];
1394
1395 if (!handle)
1396 continue;
1397
1398 switch (handle) {
1399 case 0x0105:
1400 case 0x0148:
1401 sony_nc_touchpad_cleanup(pd);
1402 break;
1403 case 0x0115:
1404 case 0x0136:
1405 case 0x013f:
1406 sony_nc_battery_care_cleanup(pd);
1407 break;
1408 case 0x0119:
1409 sony_nc_lid_resume_cleanup(pd);
1410 break;
1411 case 0x0122:
1412 sony_nc_thermal_cleanup(pd);
1413 break;
1414 case 0x0131:
1415 sony_nc_highspeed_charging_cleanup(pd);
1416 break;
1417 case 0x0124:
1418 case 0x0135:
1419 sony_nc_rfkill_cleanup();
1420 break;
1421 case 0x0137:
1422 case 0x0143:
1423 sony_nc_kbd_backlight_cleanup(pd);
1424 break;
1425 default:
1426 continue;
1427 }
1428 }
1429
1430 /* finally cleanup the handles list */
1431 sony_nc_handles_cleanup(pd);
1432}
1433
1434static void sony_nc_function_resume(void)
1435{
1436 unsigned int i, result, bitmask, arg;
1437
1438 dprintk("Resuming SNC device\n");
1439
1440 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1441 unsigned int handle = handles->cap[i];
1442
1443 if (!handle)
1444 continue;
1445
1446 switch (handle) {
1447 case 0x0100:
1448 case 0x0101:
1449 case 0x0127:
1450 /* re-enable hotkeys */
1451 sony_call_snc_handle(handle, 0, &result);
1452 break;
1453 case 0x0102:
1454 /* re-enable hotkeys */
1455 sony_call_snc_handle(handle, 0x100, &result);
1456 break;
1457 case 0x0122:
1458 sony_nc_thermal_resume();
1459 break;
1460 case 0x0124:
1461 case 0x0135:
1462 sony_nc_rfkill_update();
1463 break;
1464 case 0x0137:
1465 case 0x0143:
1466 sony_nc_kbd_backlight_resume();
1467 break;
1468 default:
1469 continue;
1470 }
1471 }
1472
1473 /* Enable all events */
1474 arg = 0x10;
1475 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1476 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1477 &result);
1478}
1479
1480static int sony_nc_resume(struct acpi_device *device)
1481{
1482 struct sony_nc_value *item;
1483 acpi_handle handle;
1484
1485 for (item = sony_nc_values; item->name; item++) {
1486 int ret;
1487
1488 if (!item->valid)
1489 continue;
1490 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1491 &item->value, NULL);
1492 if (ret < 0) {
1493 pr_err("%s: %d\n", __func__, ret);
1494 break;
1495 }
1496 }
1497
1498 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1499 &handle))) {
1500 int arg = 1;
1501 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1502 dprintk("ECON Method failed\n");
1503 }
1504
1505 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1506 &handle)))
1507 sony_nc_function_resume();
1508
1509 return 0;
1510}
1511
1512static void sony_nc_rfkill_cleanup(void)
1513{
1514 int i;
1515
1516 for (i = 0; i < N_SONY_RFKILL; i++) {
1517 if (sony_rfkill_devices[i]) {
1518 rfkill_unregister(sony_rfkill_devices[i]);
1519 rfkill_destroy(sony_rfkill_devices[i]);
1520 }
1521 }
1522}
1523
1524static int sony_nc_rfkill_set(void *data, bool blocked)
1525{
1526 int result;
1527 int argument = sony_rfkill_address[(long) data] + 0x100;
1528
1529 if (!blocked)
1530 argument |= 0x030000;
1531
1532 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1533}
1534
1535static const struct rfkill_ops sony_rfkill_ops = {
1536 .set_block = sony_nc_rfkill_set,
1537};
1538
1539static int sony_nc_setup_rfkill(struct acpi_device *device,
1540 enum sony_nc_rfkill nc_type)
1541{
1542 int err = 0;
1543 struct rfkill *rfk;
1544 enum rfkill_type type;
1545 const char *name;
1546 int result;
1547 bool hwblock, swblock;
1548
1549 switch (nc_type) {
1550 case SONY_WIFI:
1551 type = RFKILL_TYPE_WLAN;
1552 name = "sony-wifi";
1553 break;
1554 case SONY_BLUETOOTH:
1555 type = RFKILL_TYPE_BLUETOOTH;
1556 name = "sony-bluetooth";
1557 break;
1558 case SONY_WWAN:
1559 type = RFKILL_TYPE_WWAN;
1560 name = "sony-wwan";
1561 break;
1562 case SONY_WIMAX:
1563 type = RFKILL_TYPE_WIMAX;
1564 name = "sony-wimax";
1565 break;
1566 default:
1567 return -EINVAL;
1568 }
1569
1570 rfk = rfkill_alloc(name, &device->dev, type,
1571 &sony_rfkill_ops, (void *)nc_type);
1572 if (!rfk)
1573 return -ENOMEM;
1574
1575 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1576 rfkill_destroy(rfk);
1577 return -1;
1578 }
1579 hwblock = !(result & 0x1);
1580
1581 if (sony_call_snc_handle(sony_rfkill_handle,
1582 sony_rfkill_address[nc_type],
1583 &result) < 0) {
1584 rfkill_destroy(rfk);
1585 return -1;
1586 }
1587 swblock = !(result & 0x2);
1588
1589 rfkill_init_sw_state(rfk, swblock);
1590 rfkill_set_hw_state(rfk, hwblock);
1591
1592 err = rfkill_register(rfk);
1593 if (err) {
1594 rfkill_destroy(rfk);
1595 return err;
1596 }
1597 sony_rfkill_devices[nc_type] = rfk;
1598 return err;
1599}
1600
1601static void sony_nc_rfkill_update(void)
1602{
1603 enum sony_nc_rfkill i;
1604 int result;
1605 bool hwblock;
1606
1607 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1608 hwblock = !(result & 0x1);
1609
1610 for (i = 0; i < N_SONY_RFKILL; i++) {
1611 int argument = sony_rfkill_address[i];
1612
1613 if (!sony_rfkill_devices[i])
1614 continue;
1615
1616 if (hwblock) {
1617 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1618 /* we already know we're blocked */
1619 }
1620 continue;
1621 }
1622
1623 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1624 rfkill_set_states(sony_rfkill_devices[i],
1625 !(result & 0x2), false);
1626 }
1627}
1628
1629static int sony_nc_rfkill_setup(struct acpi_device *device,
1630 unsigned int handle)
1631{
1632 u64 offset;
1633 int i;
1634 unsigned char buffer[32] = { 0 };
1635
1636 offset = sony_find_snc_handle(handle);
1637 sony_rfkill_handle = handle;
1638
1639 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1640 32);
1641 if (i < 0)
1642 return i;
1643
1644 /* The buffer is filled with magic numbers describing the devices
1645 * available, 0xff terminates the enumeration.
1646 * Known codes:
1647 * 0x00 WLAN
1648 * 0x10 BLUETOOTH
1649 * 0x20 WWAN GPRS-EDGE
1650 * 0x21 WWAN HSDPA
1651 * 0x22 WWAN EV-DO
1652 * 0x23 WWAN GPS
1653 * 0x25 Gobi WWAN no GPS
1654 * 0x26 Gobi WWAN + GPS
1655 * 0x28 Gobi WWAN no GPS
1656 * 0x29 Gobi WWAN + GPS
1657 * 0x30 WIMAX
1658 * 0x50 Gobi WWAN no GPS
1659 * 0x51 Gobi WWAN + GPS
1660 * 0x70 no SIM card slot
1661 * 0x71 SIM card slot
1662 */
1663 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1664
1665 if (buffer[i] == 0xff)
1666 break;
1667
1668 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1669
1670 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1671 sony_nc_setup_rfkill(device, SONY_WIFI);
1672
1673 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1674 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1675
1676 if (((0xf0 & buffer[i]) == 0x20 ||
1677 (0xf0 & buffer[i]) == 0x50) &&
1678 !sony_rfkill_devices[SONY_WWAN])
1679 sony_nc_setup_rfkill(device, SONY_WWAN);
1680
1681 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1682 sony_nc_setup_rfkill(device, SONY_WIMAX);
1683 }
1684 return 0;
1685}
1686
1687/* Keyboard backlight feature */
1688struct kbd_backlight {
1689 unsigned int handle;
1690 unsigned int base;
1691 unsigned int mode;
1692 unsigned int timeout;
1693 struct device_attribute mode_attr;
1694 struct device_attribute timeout_attr;
1695};
1696
1697static struct kbd_backlight *kbdbl_ctl;
1698
1699static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1700{
1701 int result;
1702
1703 if (value > 1)
1704 return -EINVAL;
1705
1706 if (sony_call_snc_handle(kbdbl_ctl->handle,
1707 (value << 0x10) | (kbdbl_ctl->base), &result))
1708 return -EIO;
1709
1710 /* Try to turn the light on/off immediately */
1711 sony_call_snc_handle(kbdbl_ctl->handle,
1712 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1713
1714 kbdbl_ctl->mode = value;
1715
1716 return 0;
1717}
1718
1719static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1720 struct device_attribute *attr,
1721 const char *buffer, size_t count)
1722{
1723 int ret = 0;
1724 unsigned long value;
1725
1726 if (count > 31)
1727 return -EINVAL;
1728
1729 if (kstrtoul(buffer, 10, &value))
1730 return -EINVAL;
1731
1732 ret = __sony_nc_kbd_backlight_mode_set(value);
1733 if (ret < 0)
1734 return ret;
1735
1736 return count;
1737}
1738
1739static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1740 struct device_attribute *attr, char *buffer)
1741{
1742 ssize_t count = 0;
1743 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1744 return count;
1745}
1746
1747static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1748{
1749 int result;
1750
1751 if (value > 3)
1752 return -EINVAL;
1753
1754 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1755 (kbdbl_ctl->base + 0x200), &result))
1756 return -EIO;
1757
1758 kbdbl_ctl->timeout = value;
1759
1760 return 0;
1761}
1762
1763static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1764 struct device_attribute *attr,
1765 const char *buffer, size_t count)
1766{
1767 int ret = 0;
1768 unsigned long value;
1769
1770 if (count > 31)
1771 return -EINVAL;
1772
1773 if (kstrtoul(buffer, 10, &value))
1774 return -EINVAL;
1775
1776 ret = __sony_nc_kbd_backlight_timeout_set(value);
1777 if (ret < 0)
1778 return ret;
1779
1780 return count;
1781}
1782
1783static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1784 struct device_attribute *attr, char *buffer)
1785{
1786 ssize_t count = 0;
1787 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1788 return count;
1789}
1790
1791static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1792 unsigned int handle)
1793{
1794 int result;
1795 int ret = 0;
1796
1797 /* verify the kbd backlight presence, these handles are not used for
1798 * keyboard backlight only
1799 */
1800 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1801 &result);
1802 if (ret)
1803 return ret;
1804
1805 if ((handle == 0x0137 && !(result & 0x02)) ||
1806 !(result & 0x01)) {
1807 dprintk("no backlight keyboard found\n");
1808 return 0;
1809 }
1810
1811 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1812 if (!kbdbl_ctl)
1813 return -ENOMEM;
1814
1815 kbdbl_ctl->handle = handle;
1816 if (handle == 0x0137)
1817 kbdbl_ctl->base = 0x0C00;
1818 else
1819 kbdbl_ctl->base = 0x4000;
1820
1821 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1822 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1823 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1824 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1825 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1826
1827 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1828 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1829 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1830 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1831 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1832
1833 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1834 if (ret)
1835 goto outkzalloc;
1836
1837 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1838 if (ret)
1839 goto outmode;
1840
1841 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1842 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1843
1844 return 0;
1845
1846outmode:
1847 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1848outkzalloc:
1849 kfree(kbdbl_ctl);
1850 kbdbl_ctl = NULL;
1851 return ret;
1852}
1853
1854static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1855{
1856 if (kbdbl_ctl) {
1857 int result;
1858
1859 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1860 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1861
1862 /* restore the default hw behaviour */
1863 sony_call_snc_handle(kbdbl_ctl->handle,
1864 kbdbl_ctl->base | 0x10000, &result);
1865 sony_call_snc_handle(kbdbl_ctl->handle,
1866 kbdbl_ctl->base + 0x200, &result);
1867
1868 kfree(kbdbl_ctl);
1869 kbdbl_ctl = NULL;
1870 }
1871}
1872
1873static void sony_nc_kbd_backlight_resume(void)
1874{
1875 int ignore = 0;
1876
1877 if (!kbdbl_ctl)
1878 return;
1879
1880 if (kbdbl_ctl->mode == 0)
1881 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1882 &ignore);
1883
1884 if (kbdbl_ctl->timeout != 0)
1885 sony_call_snc_handle(kbdbl_ctl->handle,
1886 (kbdbl_ctl->base + 0x200) |
1887 (kbdbl_ctl->timeout << 0x10), &ignore);
1888}
1889
1890struct battery_care_control {
1891 struct device_attribute attrs[2];
1892 unsigned int handle;
1893};
1894static struct battery_care_control *bcare_ctl;
1895
1896static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1897 struct device_attribute *attr,
1898 const char *buffer, size_t count)
1899{
1900 unsigned int result, cmd;
1901 unsigned long value;
1902
1903 if (count > 31)
1904 return -EINVAL;
1905
1906 if (kstrtoul(buffer, 10, &value))
1907 return -EINVAL;
1908
1909 /* limit values (2 bits):
1910 * 00 - none
1911 * 01 - 80%
1912 * 10 - 50%
1913 * 11 - 100%
1914 *
1915 * bit 0: 0 disable BCL, 1 enable BCL
1916 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1917 * bits 2,3: reserved
1918 * bits 4,5: store the limit into the EC
1919 * bits 6,7: store the limit into the battery
1920 */
1921 cmd = 0;
1922
1923 if (value > 0) {
1924 if (value <= 50)
1925 cmd = 0x20;
1926
1927 else if (value <= 80)
1928 cmd = 0x10;
1929
1930 else if (value <= 100)
1931 cmd = 0x30;
1932
1933 else
1934 return -EINVAL;
1935
1936 /*
1937 * handle 0x0115 should allow storing on battery too;
1938 * handle 0x0136 same as 0x0115 + health status;
1939 * handle 0x013f, same as 0x0136 but no storing on the battery
1940 */
1941 if (bcare_ctl->handle != 0x013f)
1942 cmd = cmd | (cmd << 2);
1943
1944 cmd = (cmd | 0x1) << 0x10;
1945 }
1946
1947 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1948 return -EIO;
1949
1950 return count;
1951}
1952
1953static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1954 struct device_attribute *attr, char *buffer)
1955{
1956 unsigned int result, status;
1957
1958 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1959 return -EIO;
1960
1961 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1962 switch (status) {
1963 case 1:
1964 status = 80;
1965 break;
1966 case 2:
1967 status = 50;
1968 break;
1969 case 3:
1970 status = 100;
1971 break;
1972 default:
1973 status = 0;
1974 break;
1975 }
1976
1977 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
1978}
1979
1980static ssize_t sony_nc_battery_care_health_show(struct device *dev,
1981 struct device_attribute *attr, char *buffer)
1982{
1983 ssize_t count = 0;
1984 unsigned int health;
1985
1986 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
1987 return -EIO;
1988
1989 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
1990
1991 return count;
1992}
1993
1994static int sony_nc_battery_care_setup(struct platform_device *pd,
1995 unsigned int handle)
1996{
1997 int ret = 0;
1998
1999 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2000 if (!bcare_ctl)
2001 return -ENOMEM;
2002
2003 bcare_ctl->handle = handle;
2004
2005 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2006 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2007 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2008 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2009 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2010
2011 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2012 if (ret)
2013 goto outkzalloc;
2014
2015 /* 0x0115 is for models with no health reporting capability */
2016 if (handle == 0x0115)
2017 return 0;
2018
2019 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2020 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2021 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2022 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2023
2024 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2025 if (ret)
2026 goto outlimiter;
2027
2028 return 0;
2029
2030outlimiter:
2031 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2032
2033outkzalloc:
2034 kfree(bcare_ctl);
2035 bcare_ctl = NULL;
2036
2037 return ret;
2038}
2039
2040static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2041{
2042 if (bcare_ctl) {
2043 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2044 if (bcare_ctl->handle != 0x0115)
2045 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2046
2047 kfree(bcare_ctl);
2048 bcare_ctl = NULL;
2049 }
2050}
2051
2052struct snc_thermal_ctrl {
2053 unsigned int mode;
2054 unsigned int profiles;
2055 struct device_attribute mode_attr;
2056 struct device_attribute profiles_attr;
2057};
2058static struct snc_thermal_ctrl *th_handle;
2059
2060#define THM_PROFILE_MAX 3
2061static const char * const snc_thermal_profiles[] = {
2062 "balanced",
2063 "silent",
2064 "performance"
2065};
2066
2067static int sony_nc_thermal_mode_set(unsigned short mode)
2068{
2069 unsigned int result;
2070
2071 /* the thermal profile seems to be a two bit bitmask:
2072 * lsb -> silent
2073 * msb -> performance
2074 * no bit set is the normal operation and is always valid
2075 * Some vaio models only have "balanced" and "performance"
2076 */
2077 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2078 return -EINVAL;
2079
2080 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2081 return -EIO;
2082
2083 th_handle->mode = mode;
2084
2085 return 0;
2086}
2087
2088static int sony_nc_thermal_mode_get(void)
2089{
2090 unsigned int result;
2091
2092 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2093 return -EIO;
2094
2095 return result & 0xff;
2096}
2097
2098static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2099 struct device_attribute *attr, char *buffer)
2100{
2101 short cnt;
2102 size_t idx = 0;
2103
2104 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2105 if (!cnt || (th_handle->profiles & cnt))
2106 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2107 snc_thermal_profiles[cnt]);
2108 }
2109 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2110
2111 return idx;
2112}
2113
2114static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2115 struct device_attribute *attr,
2116 const char *buffer, size_t count)
2117{
2118 unsigned short cmd;
2119 size_t len = count;
2120
2121 if (count == 0)
2122 return -EINVAL;
2123
2124 /* skip the newline if present */
2125 if (buffer[len - 1] == '\n')
2126 len--;
2127
2128 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2129 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2130 break;
2131
2132 if (sony_nc_thermal_mode_set(cmd))
2133 return -EIO;
2134
2135 return count;
2136}
2137
2138static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2139 struct device_attribute *attr, char *buffer)
2140{
2141 ssize_t count = 0;
2142 int mode = sony_nc_thermal_mode_get();
2143
2144 if (mode < 0)
2145 return mode;
2146
2147 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2148
2149 return count;
2150}
2151
2152static int sony_nc_thermal_setup(struct platform_device *pd)
2153{
2154 int ret = 0;
2155 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2156 if (!th_handle)
2157 return -ENOMEM;
2158
2159 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2160 if (ret) {
2161 pr_warn("couldn't to read the thermal profiles\n");
2162 goto outkzalloc;
2163 }
2164
2165 ret = sony_nc_thermal_mode_get();
2166 if (ret < 0) {
2167 pr_warn("couldn't to read the current thermal profile");
2168 goto outkzalloc;
2169 }
2170 th_handle->mode = ret;
2171
2172 sysfs_attr_init(&th_handle->profiles_attr.attr);
2173 th_handle->profiles_attr.attr.name = "thermal_profiles";
2174 th_handle->profiles_attr.attr.mode = S_IRUGO;
2175 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2176
2177 sysfs_attr_init(&th_handle->mode_attr.attr);
2178 th_handle->mode_attr.attr.name = "thermal_control";
2179 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2180 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2181 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2182
2183 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2184 if (ret)
2185 goto outkzalloc;
2186
2187 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2188 if (ret)
2189 goto outprofiles;
2190
2191 return 0;
2192
2193outprofiles:
2194 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2195outkzalloc:
2196 kfree(th_handle);
2197 th_handle = NULL;
2198 return ret;
2199}
2200
2201static void sony_nc_thermal_cleanup(struct platform_device *pd)
2202{
2203 if (th_handle) {
2204 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2205 device_remove_file(&pd->dev, &th_handle->mode_attr);
2206 kfree(th_handle);
2207 th_handle = NULL;
2208 }
2209}
2210
2211static void sony_nc_thermal_resume(void)
2212{
2213 unsigned int status = sony_nc_thermal_mode_get();
2214
2215 if (status != th_handle->mode)
2216 sony_nc_thermal_mode_set(th_handle->mode);
2217}
2218
2219/* resume on LID open */
2220struct snc_lid_resume_control {
2221 struct device_attribute attrs[3];
2222 unsigned int status;
2223};
2224static struct snc_lid_resume_control *lid_ctl;
2225
2226static ssize_t sony_nc_lid_resume_store(struct device *dev,
2227 struct device_attribute *attr,
2228 const char *buffer, size_t count)
2229{
2230 unsigned int result, pos;
2231 unsigned long value;
2232 if (count > 31)
2233 return -EINVAL;
2234
2235 if (kstrtoul(buffer, 10, &value) || value > 1)
2236 return -EINVAL;
2237
2238 /* the value we have to write to SNC is a bitmask:
2239 * +--------------+
2240 * | S3 | S4 | S5 |
2241 * +--------------+
2242 * 2 1 0
2243 */
2244 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2245 pos = 2;
2246 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2247 pos = 1;
2248 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2249 pos = 0;
2250 else
2251 return -EINVAL;
2252
2253 if (value)
2254 value = lid_ctl->status | (1 << pos);
2255 else
2256 value = lid_ctl->status & ~(1 << pos);
2257
2258 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2259 return -EIO;
2260
2261 lid_ctl->status = value;
2262
2263 return count;
2264}
2265
2266static ssize_t sony_nc_lid_resume_show(struct device *dev,
2267 struct device_attribute *attr, char *buffer)
2268{
2269 unsigned int pos;
2270
2271 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2272 pos = 2;
2273 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2274 pos = 1;
2275 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2276 pos = 0;
2277 else
2278 return -EINVAL;
2279
2280 return snprintf(buffer, PAGE_SIZE, "%d\n",
2281 (lid_ctl->status >> pos) & 0x01);
2282}
2283
2284static int sony_nc_lid_resume_setup(struct platform_device *pd)
2285{
2286 unsigned int result;
2287 int i;
2288
2289 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2290 return -EIO;
2291
2292 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2293 if (!lid_ctl)
2294 return -ENOMEM;
2295
2296 lid_ctl->status = result & 0x7;
2297
2298 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2299 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2300 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2301 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2302 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2303
2304 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2305 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2306 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2307 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2308 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2309
2310 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2311 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2312 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2313 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2314 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2315
2316 for (i = 0; i < 3; i++) {
2317 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2318 if (result)
2319 goto liderror;
2320 }
2321
2322 return 0;
2323
2324liderror:
2325 for (; i > 0; i--)
2326 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2327
2328 kfree(lid_ctl);
2329 lid_ctl = NULL;
2330
2331 return result;
2332}
2333
2334static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2335{
2336 int i;
2337
2338 if (lid_ctl) {
2339 for (i = 0; i < 3; i++)
2340 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2341
2342 kfree(lid_ctl);
2343 lid_ctl = NULL;
2344 }
2345}
2346
2347/* High speed charging function */
2348static struct device_attribute *hsc_handle;
2349
2350static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2351 struct device_attribute *attr,
2352 const char *buffer, size_t count)
2353{
2354 unsigned int result;
2355 unsigned long value;
2356
2357 if (count > 31)
2358 return -EINVAL;
2359
2360 if (kstrtoul(buffer, 10, &value) || value > 1)
2361 return -EINVAL;
2362
2363 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2364 return -EIO;
2365
2366 return count;
2367}
2368
2369static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2370 struct device_attribute *attr, char *buffer)
2371{
2372 unsigned int result;
2373
2374 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2375 return -EIO;
2376
2377 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2378}
2379
2380static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2381{
2382 unsigned int result;
2383
2384 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2385 /* some models advertise the handle but have no implementation
2386 * for it
2387 */
2388 pr_info("No High Speed Charging capability found\n");
2389 return 0;
2390 }
2391
2392 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2393 if (!hsc_handle)
2394 return -ENOMEM;
2395
2396 sysfs_attr_init(&hsc_handle->attr);
2397 hsc_handle->attr.name = "battery_highspeed_charging";
2398 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2399 hsc_handle->show = sony_nc_highspeed_charging_show;
2400 hsc_handle->store = sony_nc_highspeed_charging_store;
2401
2402 result = device_create_file(&pd->dev, hsc_handle);
2403 if (result) {
2404 kfree(hsc_handle);
2405 hsc_handle = NULL;
2406 return result;
2407 }
2408
2409 return 0;
2410}
2411
2412static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2413{
2414 if (hsc_handle) {
2415 device_remove_file(&pd->dev, hsc_handle);
2416 kfree(hsc_handle);
2417 hsc_handle = NULL;
2418 }
2419}
2420
2421/* Touchpad enable/disable */
2422struct touchpad_control {
2423 struct device_attribute attr;
2424 int handle;
2425};
2426static struct touchpad_control *tp_ctl;
2427
2428static ssize_t sony_nc_touchpad_store(struct device *dev,
2429 struct device_attribute *attr, const char *buffer, size_t count)
2430{
2431 unsigned int result;
2432 unsigned long value;
2433
2434 if (count > 31)
2435 return -EINVAL;
2436
2437 if (kstrtoul(buffer, 10, &value) || value > 1)
2438 return -EINVAL;
2439
2440 /* sysfs: 0 disabled, 1 enabled
2441 * EC: 0 enabled, 1 disabled
2442 */
2443 if (sony_call_snc_handle(tp_ctl->handle,
2444 (!value << 0x10) | 0x100, &result))
2445 return -EIO;
2446
2447 return count;
2448}
2449
2450static ssize_t sony_nc_touchpad_show(struct device *dev,
2451 struct device_attribute *attr, char *buffer)
2452{
2453 unsigned int result;
2454
2455 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2456 return -EINVAL;
2457
2458 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2459}
2460
2461static int sony_nc_touchpad_setup(struct platform_device *pd,
2462 unsigned int handle)
2463{
2464 int ret = 0;
2465
2466 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2467 if (!tp_ctl)
2468 return -ENOMEM;
2469
2470 tp_ctl->handle = handle;
2471
2472 sysfs_attr_init(&tp_ctl->attr.attr);
2473 tp_ctl->attr.attr.name = "touchpad";
2474 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2475 tp_ctl->attr.show = sony_nc_touchpad_show;
2476 tp_ctl->attr.store = sony_nc_touchpad_store;
2477
2478 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2479 if (ret) {
2480 kfree(tp_ctl);
2481 tp_ctl = NULL;
2482 }
2483
2484 return ret;
2485}
2486
2487static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2488{
2489 if (tp_ctl) {
2490 device_remove_file(&pd->dev, &tp_ctl->attr);
2491 kfree(tp_ctl);
2492 tp_ctl = NULL;
2493 }
2494}
2495
2496static void sony_nc_backlight_ng_read_limits(int handle,
2497 struct sony_backlight_props *props)
2498{
2499 u64 offset;
2500 int i;
2501 int lvl_table_len = 0;
2502 u8 min = 0xff, max = 0x00;
2503 unsigned char buffer[32] = { 0 };
2504
2505 props->handle = handle;
2506 props->offset = 0;
2507 props->maxlvl = 0xff;
2508
2509 offset = sony_find_snc_handle(handle);
2510
2511 /* try to read the boundaries from ACPI tables, if we fail the above
2512 * defaults should be reasonable
2513 */
2514 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2515 32);
2516 if (i < 0)
2517 return;
2518
2519 switch (handle) {
2520 case 0x012f:
2521 case 0x0137:
2522 lvl_table_len = 9;
2523 break;
2524 case 0x143:
2525 lvl_table_len = 16;
2526 break;
2527 }
2528
2529 /* the buffer lists brightness levels available, brightness levels are
2530 * from position 0 to 8 in the array, other values are used by ALS
2531 * control.
2532 */
2533 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2534
2535 dprintk("Brightness level: %d\n", buffer[i]);
2536
2537 if (!buffer[i])
2538 break;
2539
2540 if (buffer[i] > max)
2541 max = buffer[i];
2542 if (buffer[i] < min)
2543 min = buffer[i];
2544 }
2545 props->offset = min;
2546 props->maxlvl = max;
2547 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2548 props->maxlvl);
2549}
2550
2551static void sony_nc_backlight_setup(void)
2552{
2553 acpi_handle unused;
2554 int max_brightness = 0;
2555 const struct backlight_ops *ops = NULL;
2556 struct backlight_properties props;
2557
2558 if (sony_find_snc_handle(0x12f) >= 0) {
2559 ops = &sony_backlight_ng_ops;
2560 sony_bl_props.cmd_base = 0x0100;
2561 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2562 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2563
2564 } else if (sony_find_snc_handle(0x137) >= 0) {
2565 ops = &sony_backlight_ng_ops;
2566 sony_bl_props.cmd_base = 0x0100;
2567 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2568 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2569
2570 } else if (sony_find_snc_handle(0x143) >= 0) {
2571 ops = &sony_backlight_ng_ops;
2572 sony_bl_props.cmd_base = 0x3000;
2573 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2574 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2575
2576 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
2577 &unused))) {
2578 ops = &sony_backlight_ops;
2579 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2580
2581 } else
2582 return;
2583
2584 memset(&props, 0, sizeof(struct backlight_properties));
2585 props.type = BACKLIGHT_PLATFORM;
2586 props.max_brightness = max_brightness;
2587 sony_bl_props.dev = backlight_device_register("sony", NULL,
2588 &sony_bl_props,
2589 ops, &props);
2590
2591 if (IS_ERR(sony_bl_props.dev)) {
2592 pr_warn("unable to register backlight device\n");
2593 sony_bl_props.dev = NULL;
2594 } else
2595 sony_bl_props.dev->props.brightness =
2596 ops->get_brightness(sony_bl_props.dev);
2597}
2598
2599static void sony_nc_backlight_cleanup(void)
2600{
2601 if (sony_bl_props.dev)
2602 backlight_device_unregister(sony_bl_props.dev);
2603}
2604
2605static int sony_nc_add(struct acpi_device *device)
2606{
2607 acpi_status status;
2608 int result = 0;
2609 acpi_handle handle;
2610 struct sony_nc_value *item;
2611
2612 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2613
2614 sony_nc_acpi_device = device;
2615 strcpy(acpi_device_class(device), "sony/hotkey");
2616
2617 sony_nc_acpi_handle = device->handle;
2618
2619 /* read device status */
2620 result = acpi_bus_get_status(device);
2621 /* bail IFF the above call was successful and the device is not present */
2622 if (!result && !device->status.present) {
2623 dprintk("Device not present\n");
2624 result = -ENODEV;
2625 goto outwalk;
2626 }
2627
2628 result = sony_pf_add();
2629 if (result)
2630 goto outpresent;
2631
2632 if (debug) {
2633 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2634 sony_nc_acpi_handle, 1, sony_walk_callback,
2635 NULL, NULL, NULL);
2636 if (ACPI_FAILURE(status)) {
2637 pr_warn("unable to walk acpi resources\n");
2638 result = -ENODEV;
2639 goto outpresent;
2640 }
2641 }
2642
2643 result = sony_laptop_setup_input(device);
2644 if (result) {
2645 pr_err("Unable to create input devices\n");
2646 goto outplatform;
2647 }
2648
2649 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
2650 &handle))) {
2651 int arg = 1;
2652 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2653 dprintk("ECON Method failed\n");
2654 }
2655
2656 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
2657 &handle))) {
2658 dprintk("Doing SNC setup\n");
2659 /* retrieve the available handles */
2660 result = sony_nc_handles_setup(sony_pf_device);
2661 if (!result)
2662 sony_nc_function_setup(device, sony_pf_device);
2663 }
2664
2665 /* setup input devices and helper fifo */
2666 if (acpi_video_backlight_support()) {
2667 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2668 } else {
2669 sony_nc_backlight_setup();
2670 }
2671
2672 /* create sony_pf sysfs attributes related to the SNC device */
2673 for (item = sony_nc_values; item->name; ++item) {
2674
2675 if (!debug && item->debug)
2676 continue;
2677
2678 /* find the available acpiget as described in the DSDT */
2679 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2680 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2681 *item->acpiget,
2682 &handle))) {
2683 dprintk("Found %s getter: %s\n",
2684 item->name, *item->acpiget);
2685 item->devattr.attr.mode |= S_IRUGO;
2686 break;
2687 }
2688 }
2689
2690 /* find the available acpiset as described in the DSDT */
2691 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2692 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2693 *item->acpiset,
2694 &handle))) {
2695 dprintk("Found %s setter: %s\n",
2696 item->name, *item->acpiset);
2697 item->devattr.attr.mode |= S_IWUSR;
2698 break;
2699 }
2700 }
2701
2702 if (item->devattr.attr.mode != 0) {
2703 result =
2704 device_create_file(&sony_pf_device->dev,
2705 &item->devattr);
2706 if (result)
2707 goto out_sysfs;
2708 }
2709 }
2710
2711 return 0;
2712
2713out_sysfs:
2714 for (item = sony_nc_values; item->name; ++item) {
2715 device_remove_file(&sony_pf_device->dev, &item->devattr);
2716 }
2717 sony_nc_backlight_cleanup();
2718 sony_nc_function_cleanup(sony_pf_device);
2719 sony_nc_handles_cleanup(sony_pf_device);
2720
2721outplatform:
2722 sony_laptop_remove_input();
2723
2724outpresent:
2725 sony_pf_remove();
2726
2727outwalk:
2728 sony_nc_rfkill_cleanup();
2729 return result;
2730}
2731
2732static int sony_nc_remove(struct acpi_device *device, int type)
2733{
2734 struct sony_nc_value *item;
2735
2736 sony_nc_backlight_cleanup();
2737
2738 sony_nc_acpi_device = NULL;
2739
2740 for (item = sony_nc_values; item->name; ++item) {
2741 device_remove_file(&sony_pf_device->dev, &item->devattr);
2742 }
2743
2744 sony_nc_function_cleanup(sony_pf_device);
2745 sony_nc_handles_cleanup(sony_pf_device);
2746 sony_pf_remove();
2747 sony_laptop_remove_input();
2748 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2749
2750 return 0;
2751}
2752
2753static const struct acpi_device_id sony_device_ids[] = {
2754 {SONY_NC_HID, 0},
2755 {SONY_PIC_HID, 0},
2756 {"", 0},
2757};
2758MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2759
2760static const struct acpi_device_id sony_nc_device_ids[] = {
2761 {SONY_NC_HID, 0},
2762 {"", 0},
2763};
2764
2765static struct acpi_driver sony_nc_driver = {
2766 .name = SONY_NC_DRIVER_NAME,
2767 .class = SONY_NC_CLASS,
2768 .ids = sony_nc_device_ids,
2769 .owner = THIS_MODULE,
2770 .ops = {
2771 .add = sony_nc_add,
2772 .remove = sony_nc_remove,
2773 .resume = sony_nc_resume,
2774 .notify = sony_nc_notify,
2775 },
2776};
2777
2778/*********** SPIC (SNY6001) Device ***********/
2779
2780#define SONYPI_DEVICE_TYPE1 0x00000001
2781#define SONYPI_DEVICE_TYPE2 0x00000002
2782#define SONYPI_DEVICE_TYPE3 0x00000004
2783
2784#define SONYPI_TYPE1_OFFSET 0x04
2785#define SONYPI_TYPE2_OFFSET 0x12
2786#define SONYPI_TYPE3_OFFSET 0x12
2787
2788struct sony_pic_ioport {
2789 struct acpi_resource_io io1;
2790 struct acpi_resource_io io2;
2791 struct list_head list;
2792};
2793
2794struct sony_pic_irq {
2795 struct acpi_resource_irq irq;
2796 struct list_head list;
2797};
2798
2799struct sonypi_eventtypes {
2800 u8 data;
2801 unsigned long mask;
2802 struct sonypi_event *events;
2803};
2804
2805struct sony_pic_dev {
2806 struct acpi_device *acpi_dev;
2807 struct sony_pic_irq *cur_irq;
2808 struct sony_pic_ioport *cur_ioport;
2809 struct list_head interrupts;
2810 struct list_head ioports;
2811 struct mutex lock;
2812 struct sonypi_eventtypes *event_types;
2813 int (*handle_irq)(const u8, const u8);
2814 int model;
2815 u16 evport_offset;
2816 u8 camera_power;
2817 u8 bluetooth_power;
2818 u8 wwan_power;
2819};
2820
2821static struct sony_pic_dev spic_dev = {
2822 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2823 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2824};
2825
2826static int spic_drv_registered;
2827
2828/* Event masks */
2829#define SONYPI_JOGGER_MASK 0x00000001
2830#define SONYPI_CAPTURE_MASK 0x00000002
2831#define SONYPI_FNKEY_MASK 0x00000004
2832#define SONYPI_BLUETOOTH_MASK 0x00000008
2833#define SONYPI_PKEY_MASK 0x00000010
2834#define SONYPI_BACK_MASK 0x00000020
2835#define SONYPI_HELP_MASK 0x00000040
2836#define SONYPI_LID_MASK 0x00000080
2837#define SONYPI_ZOOM_MASK 0x00000100
2838#define SONYPI_THUMBPHRASE_MASK 0x00000200
2839#define SONYPI_MEYE_MASK 0x00000400
2840#define SONYPI_MEMORYSTICK_MASK 0x00000800
2841#define SONYPI_BATTERY_MASK 0x00001000
2842#define SONYPI_WIRELESS_MASK 0x00002000
2843
2844struct sonypi_event {
2845 u8 data;
2846 u8 event;
2847};
2848
2849/* The set of possible button release events */
2850static struct sonypi_event sonypi_releaseev[] = {
2851 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2852 { 0, 0 }
2853};
2854
2855/* The set of possible jogger events */
2856static struct sonypi_event sonypi_joggerev[] = {
2857 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2858 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2859 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2860 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2861 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2862 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2863 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2864 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2865 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
2866 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
2867 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
2868 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
2869 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
2870 { 0, 0 }
2871};
2872
2873/* The set of possible capture button events */
2874static struct sonypi_event sonypi_captureev[] = {
2875 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
2876 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
2877 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2878 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
2879 { 0, 0 }
2880};
2881
2882/* The set of possible fnkeys events */
2883static struct sonypi_event sonypi_fnkeyev[] = {
2884 { 0x10, SONYPI_EVENT_FNKEY_ESC },
2885 { 0x11, SONYPI_EVENT_FNKEY_F1 },
2886 { 0x12, SONYPI_EVENT_FNKEY_F2 },
2887 { 0x13, SONYPI_EVENT_FNKEY_F3 },
2888 { 0x14, SONYPI_EVENT_FNKEY_F4 },
2889 { 0x15, SONYPI_EVENT_FNKEY_F5 },
2890 { 0x16, SONYPI_EVENT_FNKEY_F6 },
2891 { 0x17, SONYPI_EVENT_FNKEY_F7 },
2892 { 0x18, SONYPI_EVENT_FNKEY_F8 },
2893 { 0x19, SONYPI_EVENT_FNKEY_F9 },
2894 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
2895 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
2896 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
2897 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
2898 { 0x21, SONYPI_EVENT_FNKEY_1 },
2899 { 0x22, SONYPI_EVENT_FNKEY_2 },
2900 { 0x31, SONYPI_EVENT_FNKEY_D },
2901 { 0x32, SONYPI_EVENT_FNKEY_E },
2902 { 0x33, SONYPI_EVENT_FNKEY_F },
2903 { 0x34, SONYPI_EVENT_FNKEY_S },
2904 { 0x35, SONYPI_EVENT_FNKEY_B },
2905 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
2906 { 0, 0 }
2907};
2908
2909/* The set of possible program key events */
2910static struct sonypi_event sonypi_pkeyev[] = {
2911 { 0x01, SONYPI_EVENT_PKEY_P1 },
2912 { 0x02, SONYPI_EVENT_PKEY_P2 },
2913 { 0x04, SONYPI_EVENT_PKEY_P3 },
2914 { 0x20, SONYPI_EVENT_PKEY_P1 },
2915 { 0, 0 }
2916};
2917
2918/* The set of possible bluetooth events */
2919static struct sonypi_event sonypi_blueev[] = {
2920 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
2921 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
2922 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
2923 { 0, 0 }
2924};
2925
2926/* The set of possible wireless events */
2927static struct sonypi_event sonypi_wlessev[] = {
2928 { 0x59, SONYPI_EVENT_IGNORE },
2929 { 0x5a, SONYPI_EVENT_IGNORE },
2930 { 0, 0 }
2931};
2932
2933/* The set of possible back button events */
2934static struct sonypi_event sonypi_backev[] = {
2935 { 0x20, SONYPI_EVENT_BACK_PRESSED },
2936 { 0, 0 }
2937};
2938
2939/* The set of possible help button events */
2940static struct sonypi_event sonypi_helpev[] = {
2941 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
2942 { 0, 0 }
2943};
2944
2945
2946/* The set of possible lid events */
2947static struct sonypi_event sonypi_lidev[] = {
2948 { 0x51, SONYPI_EVENT_LID_CLOSED },
2949 { 0x50, SONYPI_EVENT_LID_OPENED },
2950 { 0, 0 }
2951};
2952
2953/* The set of possible zoom events */
2954static struct sonypi_event sonypi_zoomev[] = {
2955 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
2956 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
2957 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2958 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2959 { 0, 0 }
2960};
2961
2962/* The set of possible thumbphrase events */
2963static struct sonypi_event sonypi_thumbphraseev[] = {
2964 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
2965 { 0, 0 }
2966};
2967
2968/* The set of possible motioneye camera events */
2969static struct sonypi_event sonypi_meyeev[] = {
2970 { 0x00, SONYPI_EVENT_MEYE_FACE },
2971 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
2972 { 0, 0 }
2973};
2974
2975/* The set of possible memorystick events */
2976static struct sonypi_event sonypi_memorystickev[] = {
2977 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
2978 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
2979 { 0, 0 }
2980};
2981
2982/* The set of possible battery events */
2983static struct sonypi_event sonypi_batteryev[] = {
2984 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
2985 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
2986 { 0, 0 }
2987};
2988
2989/* The set of possible volume events */
2990static struct sonypi_event sonypi_volumeev[] = {
2991 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
2992 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
2993 { 0, 0 }
2994};
2995
2996/* The set of possible brightness events */
2997static struct sonypi_event sonypi_brightnessev[] = {
2998 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
2999 { 0, 0 }
3000};
3001
3002static struct sonypi_eventtypes type1_events[] = {
3003 { 0, 0xffffffff, sonypi_releaseev },
3004 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3005 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3006 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3007 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3008 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3009 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3010 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3011 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3012 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3013 { 0 },
3014};
3015static struct sonypi_eventtypes type2_events[] = {
3016 { 0, 0xffffffff, sonypi_releaseev },
3017 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3018 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3019 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3020 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3021 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3022 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3023 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3024 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3025 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3026 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3027 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3028 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3029 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3030 { 0 },
3031};
3032static struct sonypi_eventtypes type3_events[] = {
3033 { 0, 0xffffffff, sonypi_releaseev },
3034 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3035 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3036 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3037 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3038 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3039 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3040 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3041 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3042 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3043 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3044 { 0 },
3045};
3046
3047/* low level spic calls */
3048#define ITERATIONS_LONG 10000
3049#define ITERATIONS_SHORT 10
3050#define wait_on_command(command, iterations) { \
3051 unsigned int n = iterations; \
3052 while (--n && (command)) \
3053 udelay(1); \
3054 if (!n) \
3055 dprintk("command failed at %s : %s (line %d)\n", \
3056 __FILE__, __func__, __LINE__); \
3057}
3058
3059static u8 sony_pic_call1(u8 dev)
3060{
3061 u8 v1, v2;
3062
3063 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3064 ITERATIONS_LONG);
3065 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3066 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3067 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3068 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3069 return v2;
3070}
3071
3072static u8 sony_pic_call2(u8 dev, u8 fn)
3073{
3074 u8 v1;
3075
3076 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3077 ITERATIONS_LONG);
3078 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3079 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3080 ITERATIONS_LONG);
3081 outb(fn, spic_dev.cur_ioport->io1.minimum);
3082 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3083 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3084 return v1;
3085}
3086
3087static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3088{
3089 u8 v1;
3090
3091 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3092 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3093 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3094 outb(fn, spic_dev.cur_ioport->io1.minimum);
3095 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3096 outb(v, spic_dev.cur_ioport->io1.minimum);
3097 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3098 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3099 dev, fn, v, v1);
3100 return v1;
3101}
3102
3103/*
3104 * minidrivers for SPIC models
3105 */
3106static int type3_handle_irq(const u8 data_mask, const u8 ev)
3107{
3108 /*
3109 * 0x31 could mean we have to take some extra action and wait for
3110 * the next irq for some Type3 models, it will generate a new
3111 * irq and we can read new data from the device:
3112 * - 0x5c and 0x5f requires 0xA0
3113 * - 0x61 requires 0xB3
3114 */
3115 if (data_mask == 0x31) {
3116 if (ev == 0x5c || ev == 0x5f)
3117 sony_pic_call1(0xA0);
3118 else if (ev == 0x61)
3119 sony_pic_call1(0xB3);
3120 return 0;
3121 }
3122 return 1;
3123}
3124
3125static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3126{
3127 struct pci_dev *pcidev;
3128
3129 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3130 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3131 if (pcidev) {
3132 dev->model = SONYPI_DEVICE_TYPE1;
3133 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3134 dev->event_types = type1_events;
3135 goto out;
3136 }
3137
3138 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3139 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3140 if (pcidev) {
3141 dev->model = SONYPI_DEVICE_TYPE2;
3142 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3143 dev->event_types = type2_events;
3144 goto out;
3145 }
3146
3147 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3148 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3149 if (pcidev) {
3150 dev->model = SONYPI_DEVICE_TYPE3;
3151 dev->handle_irq = type3_handle_irq;
3152 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3153 dev->event_types = type3_events;
3154 goto out;
3155 }
3156
3157 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3158 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3159 if (pcidev) {
3160 dev->model = SONYPI_DEVICE_TYPE3;
3161 dev->handle_irq = type3_handle_irq;
3162 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3163 dev->event_types = type3_events;
3164 goto out;
3165 }
3166
3167 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3168 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3169 if (pcidev) {
3170 dev->model = SONYPI_DEVICE_TYPE3;
3171 dev->handle_irq = type3_handle_irq;
3172 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3173 dev->event_types = type3_events;
3174 goto out;
3175 }
3176
3177 /* default */
3178 dev->model = SONYPI_DEVICE_TYPE2;
3179 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3180 dev->event_types = type2_events;
3181
3182out:
3183 if (pcidev)
3184 pci_dev_put(pcidev);
3185
3186 pr_info("detected Type%d model\n",
3187 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3188 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3189}
3190
3191/* camera tests and poweron/poweroff */
3192#define SONYPI_CAMERA_PICTURE 5
3193#define SONYPI_CAMERA_CONTROL 0x10
3194
3195#define SONYPI_CAMERA_BRIGHTNESS 0
3196#define SONYPI_CAMERA_CONTRAST 1
3197#define SONYPI_CAMERA_HUE 2
3198#define SONYPI_CAMERA_COLOR 3
3199#define SONYPI_CAMERA_SHARPNESS 4
3200
3201#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3202#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3203#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3204#define SONYPI_CAMERA_MUTE_MASK 0x40
3205
3206/* the rest don't need a loop until not 0xff */
3207#define SONYPI_CAMERA_AGC 6
3208#define SONYPI_CAMERA_AGC_MASK 0x30
3209#define SONYPI_CAMERA_SHUTTER_MASK 0x7
3210
3211#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3212#define SONYPI_CAMERA_CONTROL 0x10
3213
3214#define SONYPI_CAMERA_STATUS 7
3215#define SONYPI_CAMERA_STATUS_READY 0x2
3216#define SONYPI_CAMERA_STATUS_POSITION 0x4
3217
3218#define SONYPI_DIRECTION_BACKWARDS 0x4
3219
3220#define SONYPI_CAMERA_REVISION 8
3221#define SONYPI_CAMERA_ROMVERSION 9
3222
3223static int __sony_pic_camera_ready(void)
3224{
3225 u8 v;
3226
3227 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3228 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3229}
3230
3231static int __sony_pic_camera_off(void)
3232{
3233 if (!camera) {
3234 pr_warn("camera control not enabled\n");
3235 return -ENODEV;
3236 }
3237
3238 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3239 SONYPI_CAMERA_MUTE_MASK),
3240 ITERATIONS_SHORT);
3241
3242 if (spic_dev.camera_power) {
3243 sony_pic_call2(0x91, 0);
3244 spic_dev.camera_power = 0;
3245 }
3246 return 0;
3247}
3248
3249static int __sony_pic_camera_on(void)
3250{
3251 int i, j, x;
3252
3253 if (!camera) {
3254 pr_warn("camera control not enabled\n");
3255 return -ENODEV;
3256 }
3257
3258 if (spic_dev.camera_power)
3259 return 0;
3260
3261 for (j = 5; j > 0; j--) {
3262
3263 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3264 msleep(10);
3265 sony_pic_call1(0x93);
3266
3267 for (i = 400; i > 0; i--) {
3268 if (__sony_pic_camera_ready())
3269 break;
3270 msleep(10);
3271 }
3272 if (i)
3273 break;
3274 }
3275
3276 if (j == 0) {
3277 pr_warn("failed to power on camera\n");
3278 return -ENODEV;
3279 }
3280
3281 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3282 0x5a),
3283 ITERATIONS_SHORT);
3284
3285 spic_dev.camera_power = 1;
3286 return 0;
3287}
3288
3289/* External camera command (exported to the motion eye v4l driver) */
3290int sony_pic_camera_command(int command, u8 value)
3291{
3292 if (!camera)
3293 return -EIO;
3294
3295 mutex_lock(&spic_dev.lock);
3296
3297 switch (command) {
3298 case SONY_PIC_COMMAND_SETCAMERA:
3299 if (value)
3300 __sony_pic_camera_on();
3301 else
3302 __sony_pic_camera_off();
3303 break;
3304 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3305 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3306 ITERATIONS_SHORT);
3307 break;
3308 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3309 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3310 ITERATIONS_SHORT);
3311 break;
3312 case SONY_PIC_COMMAND_SETCAMERAHUE:
3313 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3314 ITERATIONS_SHORT);
3315 break;
3316 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3317 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3318 ITERATIONS_SHORT);
3319 break;
3320 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3321 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3322 ITERATIONS_SHORT);
3323 break;
3324 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3325 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3326 ITERATIONS_SHORT);
3327 break;
3328 case SONY_PIC_COMMAND_SETCAMERAAGC:
3329 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3330 ITERATIONS_SHORT);
3331 break;
3332 default:
3333 pr_err("sony_pic_camera_command invalid: %d\n", command);
3334 break;
3335 }
3336 mutex_unlock(&spic_dev.lock);
3337 return 0;
3338}
3339EXPORT_SYMBOL(sony_pic_camera_command);
3340
3341/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3342static void __sony_pic_set_wwanpower(u8 state)
3343{
3344 state = !!state;
3345 if (spic_dev.wwan_power == state)
3346 return;
3347 sony_pic_call2(0xB0, state);
3348 sony_pic_call1(0x82);
3349 spic_dev.wwan_power = state;
3350}
3351
3352static ssize_t sony_pic_wwanpower_store(struct device *dev,
3353 struct device_attribute *attr,
3354 const char *buffer, size_t count)
3355{
3356 unsigned long value;
3357 if (count > 31)
3358 return -EINVAL;
3359
3360 if (kstrtoul(buffer, 10, &value))
3361 return -EINVAL;
3362
3363 mutex_lock(&spic_dev.lock);
3364 __sony_pic_set_wwanpower(value);
3365 mutex_unlock(&spic_dev.lock);
3366
3367 return count;
3368}
3369
3370static ssize_t sony_pic_wwanpower_show(struct device *dev,
3371 struct device_attribute *attr, char *buffer)
3372{
3373 ssize_t count;
3374 mutex_lock(&spic_dev.lock);
3375 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3376 mutex_unlock(&spic_dev.lock);
3377 return count;
3378}
3379
3380/* bluetooth subsystem power state */
3381static void __sony_pic_set_bluetoothpower(u8 state)
3382{
3383 state = !!state;
3384 if (spic_dev.bluetooth_power == state)
3385 return;
3386 sony_pic_call2(0x96, state);
3387 sony_pic_call1(0x82);
3388 spic_dev.bluetooth_power = state;
3389}
3390
3391static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3392 struct device_attribute *attr,
3393 const char *buffer, size_t count)
3394{
3395 unsigned long value;
3396 if (count > 31)
3397 return -EINVAL;
3398
3399 if (kstrtoul(buffer, 10, &value))
3400 return -EINVAL;
3401
3402 mutex_lock(&spic_dev.lock);
3403 __sony_pic_set_bluetoothpower(value);
3404 mutex_unlock(&spic_dev.lock);
3405
3406 return count;
3407}
3408
3409static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3410 struct device_attribute *attr, char *buffer)
3411{
3412 ssize_t count = 0;
3413 mutex_lock(&spic_dev.lock);
3414 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3415 mutex_unlock(&spic_dev.lock);
3416 return count;
3417}
3418
3419/* fan speed */
3420/* FAN0 information (reverse engineered from ACPI tables) */
3421#define SONY_PIC_FAN0_STATUS 0x93
3422static int sony_pic_set_fanspeed(unsigned long value)
3423{
3424 return ec_write(SONY_PIC_FAN0_STATUS, value);
3425}
3426
3427static int sony_pic_get_fanspeed(u8 *value)
3428{
3429 return ec_read(SONY_PIC_FAN0_STATUS, value);
3430}
3431
3432static ssize_t sony_pic_fanspeed_store(struct device *dev,
3433 struct device_attribute *attr,
3434 const char *buffer, size_t count)
3435{
3436 unsigned long value;
3437 if (count > 31)
3438 return -EINVAL;
3439
3440 if (kstrtoul(buffer, 10, &value))
3441 return -EINVAL;
3442
3443 if (sony_pic_set_fanspeed(value))
3444 return -EIO;
3445
3446 return count;
3447}
3448
3449static ssize_t sony_pic_fanspeed_show(struct device *dev,
3450 struct device_attribute *attr, char *buffer)
3451{
3452 u8 value = 0;
3453 if (sony_pic_get_fanspeed(&value))
3454 return -EIO;
3455
3456 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3457}
3458
3459#define SPIC_ATTR(_name, _mode) \
3460struct device_attribute spic_attr_##_name = __ATTR(_name, \
3461 _mode, sony_pic_## _name ##_show, \
3462 sony_pic_## _name ##_store)
3463
3464static SPIC_ATTR(bluetoothpower, 0644);
3465static SPIC_ATTR(wwanpower, 0644);
3466static SPIC_ATTR(fanspeed, 0644);
3467
3468static struct attribute *spic_attributes[] = {
3469 &spic_attr_bluetoothpower.attr,
3470 &spic_attr_wwanpower.attr,
3471 &spic_attr_fanspeed.attr,
3472 NULL
3473};
3474
3475static struct attribute_group spic_attribute_group = {
3476 .attrs = spic_attributes
3477};
3478
3479/******** SONYPI compatibility **********/
3480#ifdef CONFIG_SONYPI_COMPAT
3481
3482/* battery / brightness / temperature addresses */
3483#define SONYPI_BAT_FLAGS 0x81
3484#define SONYPI_LCD_LIGHT 0x96
3485#define SONYPI_BAT1_PCTRM 0xa0
3486#define SONYPI_BAT1_LEFT 0xa2
3487#define SONYPI_BAT1_MAXRT 0xa4
3488#define SONYPI_BAT2_PCTRM 0xa8
3489#define SONYPI_BAT2_LEFT 0xaa
3490#define SONYPI_BAT2_MAXRT 0xac
3491#define SONYPI_BAT1_MAXTK 0xb0
3492#define SONYPI_BAT1_FULL 0xb2
3493#define SONYPI_BAT2_MAXTK 0xb8
3494#define SONYPI_BAT2_FULL 0xba
3495#define SONYPI_TEMP_STATUS 0xC1
3496
3497struct sonypi_compat_s {
3498 struct fasync_struct *fifo_async;
3499 struct kfifo fifo;
3500 spinlock_t fifo_lock;
3501 wait_queue_head_t fifo_proc_list;
3502 atomic_t open_count;
3503};
3504static struct sonypi_compat_s sonypi_compat = {
3505 .open_count = ATOMIC_INIT(0),
3506};
3507
3508static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3509{
3510 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3511}
3512
3513static int sonypi_misc_release(struct inode *inode, struct file *file)
3514{
3515 atomic_dec(&sonypi_compat.open_count);
3516 return 0;
3517}
3518
3519static int sonypi_misc_open(struct inode *inode, struct file *file)
3520{
3521 /* Flush input queue on first open */
3522 unsigned long flags;
3523
3524 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3525
3526 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3527 kfifo_reset(&sonypi_compat.fifo);
3528
3529 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3530
3531 return 0;
3532}
3533
3534static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3535 size_t count, loff_t *pos)
3536{
3537 ssize_t ret;
3538 unsigned char c;
3539
3540 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3541 (file->f_flags & O_NONBLOCK))
3542 return -EAGAIN;
3543
3544 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3545 kfifo_len(&sonypi_compat.fifo) != 0);
3546 if (ret)
3547 return ret;
3548
3549 while (ret < count &&
3550 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3551 &sonypi_compat.fifo_lock) == sizeof(c))) {
3552 if (put_user(c, buf++))
3553 return -EFAULT;
3554 ret++;
3555 }
3556
3557 if (ret > 0) {
3558 struct inode *inode = file->f_path.dentry->d_inode;
3559 inode->i_atime = current_fs_time(inode->i_sb);
3560 }
3561
3562 return ret;
3563}
3564
3565static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3566{
3567 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3568 if (kfifo_len(&sonypi_compat.fifo))
3569 return POLLIN | POLLRDNORM;
3570 return 0;
3571}
3572
3573static int ec_read16(u8 addr, u16 *value)
3574{
3575 u8 val_lb, val_hb;
3576 if (ec_read(addr, &val_lb))
3577 return -1;
3578 if (ec_read(addr + 1, &val_hb))
3579 return -1;
3580 *value = val_lb | (val_hb << 8);
3581 return 0;
3582}
3583
3584static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3585 unsigned long arg)
3586{
3587 int ret = 0;
3588 void __user *argp = (void __user *)arg;
3589 u8 val8;
3590 u16 val16;
3591 int value;
3592
3593 mutex_lock(&spic_dev.lock);
3594 switch (cmd) {
3595 case SONYPI_IOCGBRT:
3596 if (sony_bl_props.dev == NULL) {
3597 ret = -EIO;
3598 break;
3599 }
3600 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3601 &value)) {
3602 ret = -EIO;
3603 break;
3604 }
3605 val8 = ((value & 0xff) - 1) << 5;
3606 if (copy_to_user(argp, &val8, sizeof(val8)))
3607 ret = -EFAULT;
3608 break;
3609 case SONYPI_IOCSBRT:
3610 if (sony_bl_props.dev == NULL) {
3611 ret = -EIO;
3612 break;
3613 }
3614 if (copy_from_user(&val8, argp, sizeof(val8))) {
3615 ret = -EFAULT;
3616 break;
3617 }
3618 value = (val8 >> 5) + 1;
3619 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3620 NULL)) {
3621 ret = -EIO;
3622 break;
3623 }
3624 /* sync the backlight device status */
3625 sony_bl_props.dev->props.brightness =
3626 sony_backlight_get_brightness(sony_bl_props.dev);
3627 break;
3628 case SONYPI_IOCGBAT1CAP:
3629 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3630 ret = -EIO;
3631 break;
3632 }
3633 if (copy_to_user(argp, &val16, sizeof(val16)))
3634 ret = -EFAULT;
3635 break;
3636 case SONYPI_IOCGBAT1REM:
3637 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3638 ret = -EIO;
3639 break;
3640 }
3641 if (copy_to_user(argp, &val16, sizeof(val16)))
3642 ret = -EFAULT;
3643 break;
3644 case SONYPI_IOCGBAT2CAP:
3645 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3646 ret = -EIO;
3647 break;
3648 }
3649 if (copy_to_user(argp, &val16, sizeof(val16)))
3650 ret = -EFAULT;
3651 break;
3652 case SONYPI_IOCGBAT2REM:
3653 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3654 ret = -EIO;
3655 break;
3656 }
3657 if (copy_to_user(argp, &val16, sizeof(val16)))
3658 ret = -EFAULT;
3659 break;
3660 case SONYPI_IOCGBATFLAGS:
3661 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3662 ret = -EIO;
3663 break;
3664 }
3665 val8 &= 0x07;
3666 if (copy_to_user(argp, &val8, sizeof(val8)))
3667 ret = -EFAULT;
3668 break;
3669 case SONYPI_IOCGBLUE:
3670 val8 = spic_dev.bluetooth_power;
3671 if (copy_to_user(argp, &val8, sizeof(val8)))
3672 ret = -EFAULT;
3673 break;
3674 case SONYPI_IOCSBLUE:
3675 if (copy_from_user(&val8, argp, sizeof(val8))) {
3676 ret = -EFAULT;
3677 break;
3678 }
3679 __sony_pic_set_bluetoothpower(val8);
3680 break;
3681 /* FAN Controls */
3682 case SONYPI_IOCGFAN:
3683 if (sony_pic_get_fanspeed(&val8)) {
3684 ret = -EIO;
3685 break;
3686 }
3687 if (copy_to_user(argp, &val8, sizeof(val8)))
3688 ret = -EFAULT;
3689 break;
3690 case SONYPI_IOCSFAN:
3691 if (copy_from_user(&val8, argp, sizeof(val8))) {
3692 ret = -EFAULT;
3693 break;
3694 }
3695 if (sony_pic_set_fanspeed(val8))
3696 ret = -EIO;
3697 break;
3698 /* GET Temperature (useful under APM) */
3699 case SONYPI_IOCGTEMP:
3700 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3701 ret = -EIO;
3702 break;
3703 }
3704 if (copy_to_user(argp, &val8, sizeof(val8)))
3705 ret = -EFAULT;
3706 break;
3707 default:
3708 ret = -EINVAL;
3709 }
3710 mutex_unlock(&spic_dev.lock);
3711 return ret;
3712}
3713
3714static const struct file_operations sonypi_misc_fops = {
3715 .owner = THIS_MODULE,
3716 .read = sonypi_misc_read,
3717 .poll = sonypi_misc_poll,
3718 .open = sonypi_misc_open,
3719 .release = sonypi_misc_release,
3720 .fasync = sonypi_misc_fasync,
3721 .unlocked_ioctl = sonypi_misc_ioctl,
3722 .llseek = noop_llseek,
3723};
3724
3725static struct miscdevice sonypi_misc_device = {
3726 .minor = MISC_DYNAMIC_MINOR,
3727 .name = "sonypi",
3728 .fops = &sonypi_misc_fops,
3729};
3730
3731static void sonypi_compat_report_event(u8 event)
3732{
3733 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3734 sizeof(event), &sonypi_compat.fifo_lock);
3735 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3736 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3737}
3738
3739static int sonypi_compat_init(void)
3740{
3741 int error;
3742
3743 spin_lock_init(&sonypi_compat.fifo_lock);
3744 error =
3745 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3746 if (error) {
3747 pr_err("kfifo_alloc failed\n");
3748 return error;
3749 }
3750
3751 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3752
3753 if (minor != -1)
3754 sonypi_misc_device.minor = minor;
3755 error = misc_register(&sonypi_misc_device);
3756 if (error) {
3757 pr_err("misc_register failed\n");
3758 goto err_free_kfifo;
3759 }
3760 if (minor == -1)
3761 pr_info("device allocated minor is %d\n",
3762 sonypi_misc_device.minor);
3763
3764 return 0;
3765
3766err_free_kfifo:
3767 kfifo_free(&sonypi_compat.fifo);
3768 return error;
3769}
3770
3771static void sonypi_compat_exit(void)
3772{
3773 misc_deregister(&sonypi_misc_device);
3774 kfifo_free(&sonypi_compat.fifo);
3775}
3776#else
3777static int sonypi_compat_init(void) { return 0; }
3778static void sonypi_compat_exit(void) { }
3779static void sonypi_compat_report_event(u8 event) { }
3780#endif /* CONFIG_SONYPI_COMPAT */
3781
3782/*
3783 * ACPI callbacks
3784 */
3785static acpi_status
3786sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3787{
3788 u32 i;
3789 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3790
3791 switch (resource->type) {
3792 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3793 {
3794 /* start IO enumeration */
3795 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3796 if (!ioport)
3797 return AE_ERROR;
3798
3799 list_add(&ioport->list, &dev->ioports);
3800 return AE_OK;
3801 }
3802
3803 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3804 /* end IO enumeration */
3805 return AE_OK;
3806
3807 case ACPI_RESOURCE_TYPE_IRQ:
3808 {
3809 struct acpi_resource_irq *p = &resource->data.irq;
3810 struct sony_pic_irq *interrupt = NULL;
3811 if (!p || !p->interrupt_count) {
3812 /*
3813 * IRQ descriptors may have no IRQ# bits set,
3814 * particularly those those w/ _STA disabled
3815 */
3816 dprintk("Blank IRQ resource\n");
3817 return AE_OK;
3818 }
3819 for (i = 0; i < p->interrupt_count; i++) {
3820 if (!p->interrupts[i]) {
3821 pr_warn("Invalid IRQ %d\n",
3822 p->interrupts[i]);
3823 continue;
3824 }
3825 interrupt = kzalloc(sizeof(*interrupt),
3826 GFP_KERNEL);
3827 if (!interrupt)
3828 return AE_ERROR;
3829
3830 list_add(&interrupt->list, &dev->interrupts);
3831 interrupt->irq.triggering = p->triggering;
3832 interrupt->irq.polarity = p->polarity;
3833 interrupt->irq.sharable = p->sharable;
3834 interrupt->irq.interrupt_count = 1;
3835 interrupt->irq.interrupts[0] = p->interrupts[i];
3836 }
3837 return AE_OK;
3838 }
3839 case ACPI_RESOURCE_TYPE_IO:
3840 {
3841 struct acpi_resource_io *io = &resource->data.io;
3842 struct sony_pic_ioport *ioport =
3843 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3844 if (!io) {
3845 dprintk("Blank IO resource\n");
3846 return AE_OK;
3847 }
3848
3849 if (!ioport->io1.minimum) {
3850 memcpy(&ioport->io1, io, sizeof(*io));
3851 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3852 ioport->io1.address_length);
3853 }
3854 else if (!ioport->io2.minimum) {
3855 memcpy(&ioport->io2, io, sizeof(*io));
3856 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3857 ioport->io2.address_length);
3858 }
3859 else {
3860 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3861 return AE_ERROR;
3862 }
3863 return AE_OK;
3864 }
3865 default:
3866 dprintk("Resource %d isn't an IRQ nor an IO port\n",
3867 resource->type);
3868
3869 case ACPI_RESOURCE_TYPE_END_TAG:
3870 return AE_OK;
3871 }
3872 return AE_CTRL_TERMINATE;
3873}
3874
3875static int sony_pic_possible_resources(struct acpi_device *device)
3876{
3877 int result = 0;
3878 acpi_status status = AE_OK;
3879
3880 if (!device)
3881 return -EINVAL;
3882
3883 /* get device status */
3884 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
3885 dprintk("Evaluating _STA\n");
3886 result = acpi_bus_get_status(device);
3887 if (result) {
3888 pr_warn("Unable to read status\n");
3889 goto end;
3890 }
3891
3892 if (!device->status.enabled)
3893 dprintk("Device disabled\n");
3894 else
3895 dprintk("Device enabled\n");
3896
3897 /*
3898 * Query and parse 'method'
3899 */
3900 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
3901 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
3902 sony_pic_read_possible_resource, &spic_dev);
3903 if (ACPI_FAILURE(status)) {
3904 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
3905 result = -ENODEV;
3906 }
3907end:
3908 return result;
3909}
3910
3911/*
3912 * Disable the spic device by calling its _DIS method
3913 */
3914static int sony_pic_disable(struct acpi_device *device)
3915{
3916 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
3917 NULL);
3918
3919 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
3920 return -ENXIO;
3921
3922 dprintk("Device disabled\n");
3923 return 0;
3924}
3925
3926
3927/*
3928 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
3929 *
3930 * Call _SRS to set current resources
3931 */
3932static int sony_pic_enable(struct acpi_device *device,
3933 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
3934{
3935 acpi_status status;
3936 int result = 0;
3937 /* Type 1 resource layout is:
3938 * IO
3939 * IO
3940 * IRQNoFlags
3941 * End
3942 *
3943 * Type 2 and 3 resource layout is:
3944 * IO
3945 * IRQNoFlags
3946 * End
3947 */
3948 struct {
3949 struct acpi_resource res1;
3950 struct acpi_resource res2;
3951 struct acpi_resource res3;
3952 struct acpi_resource res4;
3953 } *resource;
3954 struct acpi_buffer buffer = { 0, NULL };
3955
3956 if (!ioport || !irq)
3957 return -EINVAL;
3958
3959 /* init acpi_buffer */
3960 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
3961 if (!resource)
3962 return -ENOMEM;
3963
3964 buffer.length = sizeof(*resource) + 1;
3965 buffer.pointer = resource;
3966
3967 /* setup Type 1 resources */
3968 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3969
3970 /* setup io resources */
3971 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3972 resource->res1.length = sizeof(struct acpi_resource);
3973 memcpy(&resource->res1.data.io, &ioport->io1,
3974 sizeof(struct acpi_resource_io));
3975
3976 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
3977 resource->res2.length = sizeof(struct acpi_resource);
3978 memcpy(&resource->res2.data.io, &ioport->io2,
3979 sizeof(struct acpi_resource_io));
3980
3981 /* setup irq resource */
3982 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
3983 resource->res3.length = sizeof(struct acpi_resource);
3984 memcpy(&resource->res3.data.irq, &irq->irq,
3985 sizeof(struct acpi_resource_irq));
3986 /* we requested a shared irq */
3987 resource->res3.data.irq.sharable = ACPI_SHARED;
3988
3989 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
3990
3991 }
3992 /* setup Type 2/3 resources */
3993 else {
3994 /* setup io resource */
3995 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3996 resource->res1.length = sizeof(struct acpi_resource);
3997 memcpy(&resource->res1.data.io, &ioport->io1,
3998 sizeof(struct acpi_resource_io));
3999
4000 /* setup irq resource */
4001 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4002 resource->res2.length = sizeof(struct acpi_resource);
4003 memcpy(&resource->res2.data.irq, &irq->irq,
4004 sizeof(struct acpi_resource_irq));
4005 /* we requested a shared irq */
4006 resource->res2.data.irq.sharable = ACPI_SHARED;
4007
4008 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4009 }
4010
4011 /* Attempt to set the resource */
4012 dprintk("Evaluating _SRS\n");
4013 status = acpi_set_current_resources(device->handle, &buffer);
4014
4015 /* check for total failure */
4016 if (ACPI_FAILURE(status)) {
4017 pr_err("Error evaluating _SRS\n");
4018 result = -ENODEV;
4019 goto end;
4020 }
4021
4022 /* Necessary device initializations calls (from sonypi) */
4023 sony_pic_call1(0x82);
4024 sony_pic_call2(0x81, 0xff);
4025 sony_pic_call1(compat ? 0x92 : 0x82);
4026
4027end:
4028 kfree(resource);
4029 return result;
4030}
4031
4032/*****************
4033 *
4034 * ISR: some event is available
4035 *
4036 *****************/
4037static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4038{
4039 int i, j;
4040 u8 ev = 0;
4041 u8 data_mask = 0;
4042 u8 device_event = 0;
4043
4044 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4045
4046 ev = inb_p(dev->cur_ioport->io1.minimum);
4047 if (dev->cur_ioport->io2.minimum)
4048 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4049 else
4050 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4051 dev->evport_offset);
4052
4053 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4054 ev, data_mask, dev->cur_ioport->io1.minimum,
4055 dev->evport_offset);
4056
4057 if (ev == 0x00 || ev == 0xff)
4058 return IRQ_HANDLED;
4059
4060 for (i = 0; dev->event_types[i].mask; i++) {
4061
4062 if ((data_mask & dev->event_types[i].data) !=
4063 dev->event_types[i].data)
4064 continue;
4065
4066 if (!(mask & dev->event_types[i].mask))
4067 continue;
4068
4069 for (j = 0; dev->event_types[i].events[j].event; j++) {
4070 if (ev == dev->event_types[i].events[j].data) {
4071 device_event =
4072 dev->event_types[i].events[j].event;
4073 /* some events may require ignoring */
4074 if (!device_event)
4075 return IRQ_HANDLED;
4076 goto found;
4077 }
4078 }
4079 }
4080 /* Still not able to decode the event try to pass
4081 * it over to the minidriver
4082 */
4083 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4084 return IRQ_HANDLED;
4085
4086 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4087 ev, data_mask, dev->cur_ioport->io1.minimum,
4088 dev->evport_offset);
4089 return IRQ_HANDLED;
4090
4091found:
4092 sony_laptop_report_input_event(device_event);
4093 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
4094 sonypi_compat_report_event(device_event);
4095 return IRQ_HANDLED;
4096}
4097
4098/*****************
4099 *
4100 * ACPI driver
4101 *
4102 *****************/
4103static int sony_pic_remove(struct acpi_device *device, int type)
4104{
4105 struct sony_pic_ioport *io, *tmp_io;
4106 struct sony_pic_irq *irq, *tmp_irq;
4107
4108 if (sony_pic_disable(device)) {
4109 pr_err("Couldn't disable device\n");
4110 return -ENXIO;
4111 }
4112
4113 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4114 release_region(spic_dev.cur_ioport->io1.minimum,
4115 spic_dev.cur_ioport->io1.address_length);
4116 if (spic_dev.cur_ioport->io2.minimum)
4117 release_region(spic_dev.cur_ioport->io2.minimum,
4118 spic_dev.cur_ioport->io2.address_length);
4119
4120 sonypi_compat_exit();
4121
4122 sony_laptop_remove_input();
4123
4124 /* pf attrs */
4125 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4126 sony_pf_remove();
4127
4128 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4129 list_del(&io->list);
4130 kfree(io);
4131 }
4132 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4133 list_del(&irq->list);
4134 kfree(irq);
4135 }
4136 spic_dev.cur_ioport = NULL;
4137 spic_dev.cur_irq = NULL;
4138
4139 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4140 return 0;
4141}
4142
4143static int sony_pic_add(struct acpi_device *device)
4144{
4145 int result;
4146 struct sony_pic_ioport *io, *tmp_io;
4147 struct sony_pic_irq *irq, *tmp_irq;
4148
4149 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4150
4151 spic_dev.acpi_dev = device;
4152 strcpy(acpi_device_class(device), "sony/hotkey");
4153 sony_pic_detect_device_type(&spic_dev);
4154 mutex_init(&spic_dev.lock);
4155
4156 /* read _PRS resources */
4157 result = sony_pic_possible_resources(device);
4158 if (result) {
4159 pr_err("Unable to read possible resources\n");
4160 goto err_free_resources;
4161 }
4162
4163 /* setup input devices and helper fifo */
4164 result = sony_laptop_setup_input(device);
4165 if (result) {
4166 pr_err("Unable to create input devices\n");
4167 goto err_free_resources;
4168 }
4169
4170 if (sonypi_compat_init())
4171 goto err_remove_input;
4172
4173 /* request io port */
4174 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4175 if (request_region(io->io1.minimum, io->io1.address_length,
4176 "Sony Programmable I/O Device")) {
4177 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4178 io->io1.minimum, io->io1.maximum,
4179 io->io1.address_length);
4180 /* Type 1 have 2 ioports */
4181 if (io->io2.minimum) {
4182 if (request_region(io->io2.minimum,
4183 io->io2.address_length,
4184 "Sony Programmable I/O Device")) {
4185 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4186 io->io2.minimum, io->io2.maximum,
4187 io->io2.address_length);
4188 spic_dev.cur_ioport = io;
4189 break;
4190 }
4191 else {
4192 dprintk("Unable to get I/O port2: "
4193 "0x%.4x (0x%.4x) + 0x%.2x\n",
4194 io->io2.minimum, io->io2.maximum,
4195 io->io2.address_length);
4196 release_region(io->io1.minimum,
4197 io->io1.address_length);
4198 }
4199 }
4200 else {
4201 spic_dev.cur_ioport = io;
4202 break;
4203 }
4204 }
4205 }
4206 if (!spic_dev.cur_ioport) {
4207 pr_err("Failed to request_region\n");
4208 result = -ENODEV;
4209 goto err_remove_compat;
4210 }
4211
4212 /* request IRQ */
4213 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4214 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4215 0, "sony-laptop", &spic_dev)) {
4216 dprintk("IRQ: %d - triggering: %d - "
4217 "polarity: %d - shr: %d\n",
4218 irq->irq.interrupts[0],
4219 irq->irq.triggering,
4220 irq->irq.polarity,
4221 irq->irq.sharable);
4222 spic_dev.cur_irq = irq;
4223 break;
4224 }
4225 }
4226 if (!spic_dev.cur_irq) {
4227 pr_err("Failed to request_irq\n");
4228 result = -ENODEV;
4229 goto err_release_region;
4230 }
4231
4232 /* set resource status _SRS */
4233 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4234 if (result) {
4235 pr_err("Couldn't enable device\n");
4236 goto err_free_irq;
4237 }
4238
4239 spic_dev.bluetooth_power = -1;
4240 /* create device attributes */
4241 result = sony_pf_add();
4242 if (result)
4243 goto err_disable_device;
4244
4245 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4246 if (result)
4247 goto err_remove_pf;
4248
4249 return 0;
4250
4251err_remove_pf:
4252 sony_pf_remove();
4253
4254err_disable_device:
4255 sony_pic_disable(device);
4256
4257err_free_irq:
4258 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4259
4260err_release_region:
4261 release_region(spic_dev.cur_ioport->io1.minimum,
4262 spic_dev.cur_ioport->io1.address_length);
4263 if (spic_dev.cur_ioport->io2.minimum)
4264 release_region(spic_dev.cur_ioport->io2.minimum,
4265 spic_dev.cur_ioport->io2.address_length);
4266
4267err_remove_compat:
4268 sonypi_compat_exit();
4269
4270err_remove_input:
4271 sony_laptop_remove_input();
4272
4273err_free_resources:
4274 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4275 list_del(&io->list);
4276 kfree(io);
4277 }
4278 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4279 list_del(&irq->list);
4280 kfree(irq);
4281 }
4282 spic_dev.cur_ioport = NULL;
4283 spic_dev.cur_irq = NULL;
4284
4285 return result;
4286}
4287
4288static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
4289{
4290 if (sony_pic_disable(device))
4291 return -ENXIO;
4292 return 0;
4293}
4294
4295static int sony_pic_resume(struct acpi_device *device)
4296{
4297 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4298 return 0;
4299}
4300
4301static const struct acpi_device_id sony_pic_device_ids[] = {
4302 {SONY_PIC_HID, 0},
4303 {"", 0},
4304};
4305
4306static struct acpi_driver sony_pic_driver = {
4307 .name = SONY_PIC_DRIVER_NAME,
4308 .class = SONY_PIC_CLASS,
4309 .ids = sony_pic_device_ids,
4310 .owner = THIS_MODULE,
4311 .ops = {
4312 .add = sony_pic_add,
4313 .remove = sony_pic_remove,
4314 .suspend = sony_pic_suspend,
4315 .resume = sony_pic_resume,
4316 },
4317};
4318
4319static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4320 {
4321 .ident = "Sony Vaio",
4322 .matches = {
4323 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4324 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4325 },
4326 },
4327 {
4328 .ident = "Sony Vaio",
4329 .matches = {
4330 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4331 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4332 },
4333 },
4334 { }
4335};
4336
4337static int __init sony_laptop_init(void)
4338{
4339 int result;
4340
4341 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4342 result = acpi_bus_register_driver(&sony_pic_driver);
4343 if (result) {
4344 pr_err("Unable to register SPIC driver\n");
4345 goto out;
4346 }
4347 spic_drv_registered = 1;
4348 }
4349
4350 result = acpi_bus_register_driver(&sony_nc_driver);
4351 if (result) {
4352 pr_err("Unable to register SNC driver\n");
4353 goto out_unregister_pic;
4354 }
4355
4356 return 0;
4357
4358out_unregister_pic:
4359 if (spic_drv_registered)
4360 acpi_bus_unregister_driver(&sony_pic_driver);
4361out:
4362 return result;
4363}
4364
4365static void __exit sony_laptop_exit(void)
4366{
4367 acpi_bus_unregister_driver(&sony_nc_driver);
4368 if (spic_drv_registered)
4369 acpi_bus_unregister_driver(&sony_pic_driver);
4370}
4371
4372module_init(sony_laptop_init);
4373module_exit(sony_laptop_exit);