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sony-laptop: report failures on setting LCD brightness
[mirror_ubuntu-jammy-kernel.git] / drivers / platform / x86 / sony-laptop.c
CommitLineData
7f09c432 1/*
33a04454 2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
7f09c432
SP		 3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
37418347 5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
7f09c432
SP		 6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
33a04454 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 *
db955170 17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
33a04454 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 *
7f09c432
SP		 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#include <linux/kernel.h>
46#include <linux/module.h>
47#include <linux/moduleparam.h>
48#include <linux/init.h>
49#include <linux/types.h>
50f62afb 50#include <linux/backlight.h>
ed3aa4b7 51#include <linux/platform_device.h>
50f62afb 52#include <linux/err.h>
33a04454 53#include <linux/dmi.h>
54#include <linux/pci.h>
55#include <linux/interrupt.h>
56#include <linux/delay.h>
57#include <linux/input.h>
58#include <linux/kfifo.h>
59#include <linux/workqueue.h>
60#include <linux/acpi.h>
5a0e3ad6 61#include <linux/slab.h>
7f09c432
SP		 62#include <acpi/acpi_drivers.h>
63#include <acpi/acpi_bus.h>
64#include <asm/uaccess.h>
33a04454 65#include <linux/sonypi.h>
1ce82c14 66#include <linux/sony-laptop.h>
6cc056bc 67#include <linux/rfkill.h>
a64e62a0 68#ifdef CONFIG_SONYPI_COMPAT
7b153f36 69#include <linux/poll.h>
70#include <linux/miscdevice.h>
71#endif
7f09c432 72
33a04454 73#define DRV_PFX "sony-laptop: "
d6697938
MD		 74#define dprintk(msg...) do { \
75 if (debug) \
76 pr_warn(DRV_PFX msg); \
b9a218b7 77} while (0)
78
425ef5d7 79#define SONY_LAPTOP_DRIVER_VERSION "0.6"
33a04454 80
81#define SONY_NC_CLASS "sony-nc"
59b19106 82#define SONY_NC_HID "SNY5001"
f6119b02 83#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
50f62afb 84
33a04454 85#define SONY_PIC_CLASS "sony-pic"
86#define SONY_PIC_HID "SNY6001"
f6119b02 87#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
7f09c432 88
ed3aa4b7 89MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
33a04454 90MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
7f09c432 91MODULE_LICENSE("GPL");
33a04454 92MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
7f09c432
SP		 93
94static int debug;
95module_param(debug, int, 0);
96MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
a02d1c1d 97 "the development of this driver");
7f09c432 98
33a04454 99static int no_spic; /* = 0 */
100module_param(no_spic, int, 0444);
101MODULE_PARM_DESC(no_spic,
102 "set this if you don't want to enable the SPIC device");
103
104static int compat; /* = 0 */
105module_param(compat, int, 0444);
106MODULE_PARM_DESC(compat,
7b153f36 107 "set this if you want to enable backward compatibility mode");
33a04454 108
109static unsigned long mask = 0xffffffff;
110module_param(mask, ulong, 0644);
111MODULE_PARM_DESC(mask,
112 "set this to the mask of event you want to enable (see doc)");
113
5f3d2898 114static int camera; /* = 0 */
115module_param(camera, int, 0444);
116MODULE_PARM_DESC(camera,
117 "set this to 1 to enable Motion Eye camera controls "
118 "(only use it if you have a C1VE or C1VN model)");
119
a64e62a0 120#ifdef CONFIG_SONYPI_COMPAT
7b153f36 121static int minor = -1;
122module_param(minor, int, 0);
123MODULE_PARM_DESC(minor,
124 "minor number of the misc device for the SPIC compatibility code, "
125 "default is -1 (automatic)");
126#endif
127
bf155714
MD		 128static int kbd_backlight; /* = 1 */
129module_param(kbd_backlight, int, 0444);
130MODULE_PARM_DESC(kbd_backlight,
131 "set this to 0 to disable keyboard backlight, "
132 "1 to enable it (default: 0)");
133
134static int kbd_backlight_timeout; /* = 0 */
135module_param(kbd_backlight_timeout, int, 0444);
136MODULE_PARM_DESC(kbd_backlight_timeout,
137 "set this to 0 to set the default 10 seconds timeout, "
138 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
139 "(default: 0)");
140
df410d52
MC		 141static void sony_nc_kbd_backlight_resume(void);
142
6cc056bc
MG		 143enum sony_nc_rfkill {
144 SONY_WIFI,
145 SONY_BLUETOOTH,
146 SONY_WWAN,
147 SONY_WIMAX,
19d337df 148 N_SONY_RFKILL,
6cc056bc
MG		 149};
150
d5a664a3 151static int sony_rfkill_handle;
19d337df
JB		 152static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
153static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
6cc056bc
MG		 154static void sony_nc_rfkill_update(void);
155
1549ee6f 156/*********** Input Devices ***********/
157
158#define SONY_LAPTOP_BUF_SIZE 128
159struct sony_laptop_input_s {
160 atomic_t users;
161 struct input_dev *jog_dev;
162 struct input_dev *key_dev;
45465487 163 struct kfifo fifo;
1549ee6f 164 spinlock_t fifo_lock;
cffdde99 165 struct timer_list release_key_timer;
1549ee6f 166};
6cc056bc 167
1549ee6f 168static struct sony_laptop_input_s sony_laptop_input = {
169 .users = ATOMIC_INIT(0),
170};
171
172struct sony_laptop_keypress {
173 struct input_dev *dev;
174 int key;
175};
176
bc57f865
MD		 177/* Correspondance table between sonypi events
178 * and input layer indexes in the keymap
179 */
180static int sony_laptop_input_index[] = {
3eb8749a
MD		 181 -1, /* 0 no event */
182 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
183 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
184 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
185 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
186 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
187 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
188 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
189 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
190 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
191 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
192 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
193 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
194 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
195 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
196 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
197 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
198 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
199 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
200 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
201 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
202 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
203 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
204 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
205 17, /* 24 SONYPI_EVENT_FNKEY_1 */
206 18, /* 25 SONYPI_EVENT_FNKEY_2 */
207 19, /* 26 SONYPI_EVENT_FNKEY_D */
208 20, /* 27 SONYPI_EVENT_FNKEY_E */
209 21, /* 28 SONYPI_EVENT_FNKEY_F */
210 22, /* 29 SONYPI_EVENT_FNKEY_S */
211 23, /* 30 SONYPI_EVENT_FNKEY_B */
212 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
213 25, /* 32 SONYPI_EVENT_PKEY_P1 */
214 26, /* 33 SONYPI_EVENT_PKEY_P2 */
215 27, /* 34 SONYPI_EVENT_PKEY_P3 */
216 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
217 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
218 -1, /* 37 SONYPI_EVENT_LID_OPENED */
219 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
220 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
221 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
222 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
223 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
224 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
225 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
226 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
227 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
228 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
229 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
230 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
231 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
232 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
233 43, /* 52 SONYPI_EVENT_MEYE_FACE */
234 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
235 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
236 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
237 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
238 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
239 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
240 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
241 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
242 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
243 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
244 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
9b57896e 245 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
45c7942b
MG		 246 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
247 53, /* 66 SONYPI_EVENT_PKEY_P4 */
248 54, /* 67 SONYPI_EVENT_PKEY_P5 */
249 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
1cae7103
HJ		 250 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
251 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
252 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
4f924ba5 253 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
1a7d9469 254 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
bc57f865
MD		 255};
256
257static int sony_laptop_input_keycode_map[] = {
258 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
259 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
260 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
261 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
262 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
263 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
264 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
265 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
266 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
267 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
268 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
269 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
270 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
271 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
272 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
273 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
274 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
275 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
276 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
277 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
278 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
279 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
280 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
281 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
282 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
283 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
284 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
285 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
286 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
287 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
288 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
289 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
290 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
291 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
292 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
293 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
294 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
295 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
296 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
297 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
298 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
299 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
300 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
301 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
302 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
303 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
304 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
305 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
306 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
3eb8749a 307 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
9b57896e 308 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
45c7942b
MG		 309 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
310 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
311 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
312 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
313 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
1cae7103
HJ		 314 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
315 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
4f924ba5 316 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
1a7d9469 317 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
1549ee6f 318};
319
320/* release buttons after a short delay if pressed */
cffdde99 321static void do_sony_laptop_release_key(unsigned long unused)
1549ee6f 322{
323 struct sony_laptop_keypress kp;
9593bd07 324 unsigned long flags;
1549ee6f 325
9593bd07
DT		 326 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
327
328 if (kfifo_out(&sony_laptop_input.fifo,
329 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
1549ee6f 330 input_report_key(kp.dev, kp.key, 0);
331 input_sync(kp.dev);
332 }
9593bd07
DT		 333
334 /* If there is something in the fifo schedule next release. */
335 if (kfifo_len(&sony_laptop_input.fifo) != 0)
cffdde99
DT		 336 mod_timer(&sony_laptop_input.release_key_timer,
337 jiffies + msecs_to_jiffies(10));
9593bd07
DT		 338
339 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
1549ee6f 340}
1549ee6f 341
3a4fa0a2 342/* forward event to the input subsystem */
1549ee6f 343static void sony_laptop_report_input_event(u8 event)
344{
345 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
346 struct input_dev *key_dev = sony_laptop_input.key_dev;
347 struct sony_laptop_keypress kp = { NULL };
1549ee6f 348
a83021a2
AT		 349 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
350 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
1549ee6f 351 /* Nothing, not all VAIOs generate this event */
352 return;
353 }
354
355 /* report events */
356 switch (event) {
357 /* jog_dev events */
358 case SONYPI_EVENT_JOGDIAL_UP:
359 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
360 input_report_rel(jog_dev, REL_WHEEL, 1);
361 input_sync(jog_dev);
362 return;
363
364 case SONYPI_EVENT_JOGDIAL_DOWN:
365 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
366 input_report_rel(jog_dev, REL_WHEEL, -1);
367 input_sync(jog_dev);
368 return;
369
370 /* key_dev events */
371 case SONYPI_EVENT_JOGDIAL_PRESSED:
372 kp.key = BTN_MIDDLE;
373 kp.dev = jog_dev;
374 break;
375
376 default:
d399d130 377 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
bc57f865
MD		 378 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
379 break;
380 }
381 if (sony_laptop_input_index[event] != -1) {
382 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
383 if (kp.key != KEY_UNKNOWN)
1549ee6f 384 kp.dev = key_dev;
bc57f865 385 }
1549ee6f 386 break;
387 }
388
389 if (kp.dev) {
390 input_report_key(kp.dev, kp.key, 1);
bc57f865
MD		 391 /* we emit the scancode so we can always remap the key */
392 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
1549ee6f 393 input_sync(kp.dev);
1549ee6f 394
9593bd07
DT		 395 /* schedule key release */
396 kfifo_in_locked(&sony_laptop_input.fifo,
397 (unsigned char *)&kp, sizeof(kp),
398 &sony_laptop_input.fifo_lock);
cffdde99
DT		 399 mod_timer(&sony_laptop_input.release_key_timer,
400 jiffies + msecs_to_jiffies(10));
1549ee6f 401 } else
402 dprintk("unknown input event %.2x\n", event);
403}
404
2e4d242c 405static int sony_laptop_setup_input(struct acpi_device *acpi_device)
1549ee6f 406{
407 struct input_dev *jog_dev;
408 struct input_dev *key_dev;
409 int i;
410 int error;
411
412 /* don't run again if already initialized */
413 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
414 return 0;
415
416 /* kfifo */
417 spin_lock_init(&sony_laptop_input.fifo_lock);
9593bd07
DT		 418 error = kfifo_alloc(&sony_laptop_input.fifo,
419 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
45465487 420 if (error) {
d6697938 421 pr_err(DRV_PFX "kfifo_alloc failed\n");
1549ee6f 422 goto err_dec_users;
423 }
424
cffdde99
DT		 425 setup_timer(&sony_laptop_input.release_key_timer,
426 do_sony_laptop_release_key, 0);
1549ee6f 427
428 /* input keys */
429 key_dev = input_allocate_device();
430 if (!key_dev) {
431 error = -ENOMEM;
9593bd07 432 goto err_free_kfifo;
1549ee6f 433 }
434
435 key_dev->name = "Sony Vaio Keys";
436 key_dev->id.bustype = BUS_ISA;
437 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
2e4d242c 438 key_dev->dev.parent = &acpi_device->dev;
1549ee6f 439
440 /* Initialize the Input Drivers: special keys */
c45bc9d6
DT		 441 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
442
443 __set_bit(EV_KEY, key_dev->evbit);
bc57f865
MD		 444 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
445 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
446 key_dev->keycode = &sony_laptop_input_keycode_map;
c45bc9d6
DT		 447 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
448 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
449 __clear_bit(KEY_RESERVED, key_dev->keybit);
1549ee6f 450
451 error = input_register_device(key_dev);
452 if (error)
453 goto err_free_keydev;
454
455 sony_laptop_input.key_dev = key_dev;
456
457 /* jogdial */
458 jog_dev = input_allocate_device();
459 if (!jog_dev) {
460 error = -ENOMEM;
461 goto err_unregister_keydev;
462 }
463
464 jog_dev->name = "Sony Vaio Jogdial";
465 jog_dev->id.bustype = BUS_ISA;
466 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
2e4d242c 467 key_dev->dev.parent = &acpi_device->dev;
1549ee6f 468
c45bc9d6
DT		 469 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
470 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
1549ee6f 471
472 error = input_register_device(jog_dev);
473 if (error)
474 goto err_free_jogdev;
475
476 sony_laptop_input.jog_dev = jog_dev;
477
478 return 0;
479
480err_free_jogdev:
481 input_free_device(jog_dev);
482
483err_unregister_keydev:
484 input_unregister_device(key_dev);
485 /* to avoid kref underflow below at input_free_device */
486 key_dev = NULL;
487
488err_free_keydev:
489 input_free_device(key_dev);
490
1549ee6f 491err_free_kfifo:
45465487 492 kfifo_free(&sony_laptop_input.fifo);
1549ee6f 493
494err_dec_users:
495 atomic_dec(&sony_laptop_input.users);
496 return error;
497}
498
499static void sony_laptop_remove_input(void)
500{
9593bd07
DT		 501 struct sony_laptop_keypress kp = { NULL };
502
503 /* Cleanup only after the last user has gone */
1549ee6f 504 if (!atomic_dec_and_test(&sony_laptop_input.users))
505 return;
506
cffdde99 507 del_timer_sync(&sony_laptop_input.release_key_timer);
9593bd07
DT		 508
509 /*
510 * Generate key-up events for remaining keys. Note that we don't
511 * need locking since nobody is adding new events to the kfifo.
512 */
513 while (kfifo_out(&sony_laptop_input.fifo,
514 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
515 input_report_key(kp.dev, kp.key, 0);
516 input_sync(kp.dev);
517 }
1549ee6f 518
519 /* destroy input devs */
520 input_unregister_device(sony_laptop_input.key_dev);
521 sony_laptop_input.key_dev = NULL;
522
523 if (sony_laptop_input.jog_dev) {
524 input_unregister_device(sony_laptop_input.jog_dev);
525 sony_laptop_input.jog_dev = NULL;
526 }
527
45465487 528 kfifo_free(&sony_laptop_input.fifo);
1549ee6f 529}
530
56b8756b 531/*********** Platform Device ***********/
532
533static atomic_t sony_pf_users = ATOMIC_INIT(0);
534static struct platform_driver sony_pf_driver = {
535 .driver = {
536 .name = "sony-laptop",
537 .owner = THIS_MODULE,
538 }
539};
540static struct platform_device *sony_pf_device;
541
542static int sony_pf_add(void)
543{
544 int ret = 0;
545
546 /* don't run again if already initialized */
547 if (atomic_add_return(1, &sony_pf_users) > 1)
548 return 0;
549
550 ret = platform_driver_register(&sony_pf_driver);
551 if (ret)
552 goto out;
553
554 sony_pf_device = platform_device_alloc("sony-laptop", -1);
555 if (!sony_pf_device) {
556 ret = -ENOMEM;
557 goto out_platform_registered;
558 }
559
560 ret = platform_device_add(sony_pf_device);
561 if (ret)
562 goto out_platform_alloced;
563
564 return 0;
565
566 out_platform_alloced:
567 platform_device_put(sony_pf_device);
568 sony_pf_device = NULL;
569 out_platform_registered:
570 platform_driver_unregister(&sony_pf_driver);
571 out:
572 atomic_dec(&sony_pf_users);
573 return ret;
574}
575
576static void sony_pf_remove(void)
577{
578 /* deregister only after the last user has gone */
579 if (!atomic_dec_and_test(&sony_pf_users))
580 return;
581
08db2b31 582 platform_device_unregister(sony_pf_device);
56b8756b 583 platform_driver_unregister(&sony_pf_driver);
584}
585
586/*********** SNC (SNY5001) Device ***********/
587
33a04454 588/* the device uses 1-based values, while the backlight subsystem uses
589 0-based values */
590#define SONY_MAX_BRIGHTNESS 8
591
592#define SNC_VALIDATE_IN 0
593#define SNC_VALIDATE_OUT 1
594
59b19106 595static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
a02d1c1d 596 char *);
59b19106 597static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
a02d1c1d 598 const char *, size_t);
156c221b
MD		 599static int boolean_validate(const int, const int);
600static int brightness_default_validate(const int, const int);
601
59b19106 602struct sony_nc_value {
a02d1c1d
LB		 603 char *name; /* name of the entry */
604 char **acpiget; /* names of the ACPI get function */
605 char **acpiset; /* names of the ACPI set function */
156c221b 606 int (*validate)(const int, const int); /* input/output validation */
a02d1c1d
LB		 607 int value; /* current setting */
608 int valid; /* Has ever been set */
609 int debug; /* active only in debug mode ? */
c8440336 610 struct device_attribute devattr; /* sysfs attribute */
ed3aa4b7
MD		 611};
612
59b19106 613#define SNC_HANDLE_NAMES(_name, _values...) \
ed3aa4b7
MD		 614 static char *snc_##_name[] = { _values, NULL }
615
59b19106 616#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
ed3aa4b7
MD		 617 { \
618 .name = __stringify(_name), \
619 .acpiget = _getters, \
620 .acpiset = _setters, \
156c221b 621 .validate = _validate, \
ed3aa4b7 622 .debug = _debug, \
59b19106 623 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
7f09c432 624 }
ed3aa4b7 625
59b19106 626#define SNC_HANDLE_NULL { .name = NULL }
ed3aa4b7 627
59b19106 628SNC_HANDLE_NAMES(fnkey_get, "GHKE");
ed3aa4b7 629
59b19106 630SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
631SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
ed3aa4b7 632
59b19106 633SNC_HANDLE_NAMES(cdpower_get, "GCDP");
634SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
ed3aa4b7 635
59b19106 636SNC_HANDLE_NAMES(audiopower_get, "GAZP");
637SNC_HANDLE_NAMES(audiopower_set, "AZPW");
ed3aa4b7 638
59b19106 639SNC_HANDLE_NAMES(lanpower_get, "GLNP");
640SNC_HANDLE_NAMES(lanpower_set, "LNPW");
ed3aa4b7 641
044847e0
MD		 642SNC_HANDLE_NAMES(lidstate_get, "GLID");
643
644SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
645SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
646
647SNC_HANDLE_NAMES(gainbass_get, "GMGB");
648SNC_HANDLE_NAMES(gainbass_set, "CMGB");
649
59b19106 650SNC_HANDLE_NAMES(PID_get, "GPID");
ed3aa4b7 651
59b19106 652SNC_HANDLE_NAMES(CTR_get, "GCTR");
653SNC_HANDLE_NAMES(CTR_set, "SCTR");
ed3aa4b7 654
59b19106 655SNC_HANDLE_NAMES(PCR_get, "GPCR");
656SNC_HANDLE_NAMES(PCR_set, "SPCR");
ed3aa4b7 657
59b19106 658SNC_HANDLE_NAMES(CMI_get, "GCMI");
659SNC_HANDLE_NAMES(CMI_set, "SCMI");
ed3aa4b7 660
59b19106 661static struct sony_nc_value sony_nc_values[] = {
662 SNC_HANDLE(brightness_default, snc_brightness_def_get,
156c221b 663 snc_brightness_def_set, brightness_default_validate, 0),
59b19106 664 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
665 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
666 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
156c221b 667 boolean_validate, 0),
59b19106 668 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
156c221b 669 boolean_validate, 1),
044847e0
MD		 670 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
671 boolean_validate, 0),
672 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
673 boolean_validate, 0),
674 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
675 boolean_validate, 0),
ed3aa4b7 676 /* unknown methods */
59b19106 677 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
678 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
679 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
680 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
681 SNC_HANDLE_NULL
7f09c432
SP		 682};
683
59b19106 684static acpi_handle sony_nc_acpi_handle;
685static struct acpi_device *sony_nc_acpi_device = NULL;
ed3aa4b7 686
d78865cd
MD		 687/*
688 * acpi_evaluate_object wrappers
689 */
7f09c432
SP		 690static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
691{
692 struct acpi_buffer output;
693 union acpi_object out_obj;
694 acpi_status status;
695
696 output.length = sizeof(out_obj);
697 output.pointer = &out_obj;
698
699 status = acpi_evaluate_object(handle, name, NULL, &output);
700 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
701 *result = out_obj.integer.value;
702 return 0;
703 }
704
d6697938 705 pr_warn(DRV_PFX "acpi_callreadfunc failed\n");
7f09c432
SP		 706
707 return -1;
708}
709
710static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
711 int *result)
712{
713 struct acpi_object_list params;
714 union acpi_object in_obj;
715 struct acpi_buffer output;
716 union acpi_object out_obj;
717 acpi_status status;
718
719 params.count = 1;
720 params.pointer = &in_obj;
721 in_obj.type = ACPI_TYPE_INTEGER;
722 in_obj.integer.value = value;
723
724 output.length = sizeof(out_obj);
725 output.pointer = &out_obj;
726
727 status = acpi_evaluate_object(handle, name, &params, &output);
728 if (status == AE_OK) {
729 if (result != NULL) {
730 if (out_obj.type != ACPI_TYPE_INTEGER) {
d6697938 731 pr_warn(DRV_PFX "acpi_evaluate_object bad "
7f09c432
SP		 732 "return type\n");
733 return -1;
734 }
735 *result = out_obj.integer.value;
736 }
737 return 0;
738 }
739
d6697938 740 pr_warn(DRV_PFX "acpi_evaluate_object failed\n");
7f09c432
SP		 741
742 return -1;
743}
744
2a4f0c81
MD		 745struct sony_nc_handles {
746 u16 cap[0x10];
747 struct device_attribute devattr;
748};
749
f11113b2 750static struct sony_nc_handles *handles;
2a4f0c81
MD		 751
752static ssize_t sony_nc_handles_show(struct device *dev,
753 struct device_attribute *attr, char *buffer)
754{
755 ssize_t len = 0;
756 int i;
757
758 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
759 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
760 handles->cap[i]);
761 }
762 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
763
764 return len;
765}
766
767static int sony_nc_handles_setup(struct platform_device *pd)
badf26f0
MG		 768{
769 int i;
770 int result;
771
2a4f0c81 772 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
31f00759
DC		 773 if (!handles)
774 return -ENOMEM;
2a4f0c81 775
2a4f0c81
MD		 776 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
777 if (!acpi_callsetfunc(sony_nc_acpi_handle,
778 "SN00", i + 0x20, &result)) {
779 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
780 result, i);
781 handles->cap[i] = result;
56e6e716 782 }
badf26f0
MG		 783 }
784
855b8bc9
MD		 785 if (debug) {
786 sysfs_attr_init(&handles->devattr.attr);
787 handles->devattr.attr.name = "handles";
788 handles->devattr.attr.mode = S_IRUGO;
789 handles->devattr.show = sony_nc_handles_show;
790
791 /* allow reading capabilities via sysfs */
792 if (device_create_file(&pd->dev, &handles->devattr)) {
793 kfree(handles);
794 handles = NULL;
795 return -1;
796 }
2a4f0c81
MD		 797 }
798
799 return 0;
800}
801
802static int sony_nc_handles_cleanup(struct platform_device *pd)
803{
804 if (handles) {
855b8bc9
MD		 805 if (debug)
806 device_remove_file(&pd->dev, &handles->devattr);
2a4f0c81
MD		 807 kfree(handles);
808 handles = NULL;
809 }
810 return 0;
811}
812
813static int sony_find_snc_handle(int handle)
814{
815 int i;
fef34861
MD		 816
817 /* not initialized yet, return early */
818 if (!handles)
819 return -1;
820
2a4f0c81
MD		 821 for (i = 0; i < 0x10; i++) {
822 if (handles->cap[i] == handle) {
823 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
824 handle, i);
825 return i;
826 }
827 }
56e6e716 828 dprintk("handle 0x%.4x not found\n", handle);
badf26f0
MG		 829 return -1;
830}
831
832static int sony_call_snc_handle(int handle, int argument, int *result)
833{
56e6e716 834 int ret = 0;
badf26f0
MG		 835 int offset = sony_find_snc_handle(handle);
836
837 if (offset < 0)
838 return -1;
839
56e6e716
MD		 840 ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
841 result);
842 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
843 *result);
844 return ret;
badf26f0
MG		 845}
846
156c221b 847/*
59b19106 848 * sony_nc_values input/output validate functions
156c221b
MD		 849 */
850
851/* brightness_default_validate:
852 *
853 * manipulate input output values to keep consistency with the
854 * backlight framework for which brightness values are 0-based.
855 */
856static int brightness_default_validate(const int direction, const int value)
857{
858 switch (direction) {
859 case SNC_VALIDATE_OUT:
860 return value - 1;
861 case SNC_VALIDATE_IN:
862 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
863 return value + 1;
864 }
865 return -EINVAL;
866}
867
868/* boolean_validate:
869 *
870 * on input validate boolean values 0/1, on output just pass the
871 * received value.
872 */
873static int boolean_validate(const int direction, const int value)
874{
875 if (direction == SNC_VALIDATE_IN) {
876 if (value != 0 && value != 1)
877 return -EINVAL;
878 }
879 return value;
880}
881
ed3aa4b7 882/*
59b19106 883 * Sysfs show/store common to all sony_nc_values
ed3aa4b7 884 */
59b19106 885static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
a02d1c1d 886 char *buffer)
7f09c432 887{
7f09c432 888 int value;
59b19106 889 struct sony_nc_value *item =
890 container_of(attr, struct sony_nc_value, devattr);
7f09c432 891
ed3aa4b7 892 if (!*item->acpiget)
7f09c432
SP		 893 return -EIO;
894
59b19106 895 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
7f09c432
SP		 896 return -EIO;
897
156c221b
MD		 898 if (item->validate)
899 value = item->validate(SNC_VALIDATE_OUT, value);
900
ed3aa4b7 901 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
7f09c432
SP		 902}
903
59b19106 904static ssize_t sony_nc_sysfs_store(struct device *dev,
a02d1c1d
LB		 905 struct device_attribute *attr,
906 const char *buffer, size_t count)
7f09c432 907{
7f09c432 908 int value;
59b19106 909 struct sony_nc_value *item =
910 container_of(attr, struct sony_nc_value, devattr);
7f09c432
SP		 911
912 if (!item->acpiset)
913 return -EIO;
914
ed3aa4b7
MD		 915 if (count > 31)
916 return -EINVAL;
917
918 value = simple_strtoul(buffer, NULL, 10);
7f09c432 919
156c221b
MD		 920 if (item->validate)
921 value = item->validate(SNC_VALIDATE_IN, value);
922
923 if (value < 0)
924 return value;
7f09c432 925
59b19106 926 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
7f09c432 927 return -EIO;
3f4f461f
AM		 928 item->value = value;
929 item->valid = 1;
7f09c432
SP		 930 return count;
931}
932
ed3aa4b7 933
d78865cd
MD		 934/*
935 * Backlight device
936 */
937static int sony_backlight_update_status(struct backlight_device *bd)
3f4f461f 938{
59b19106 939 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
321709c5 940 bd->props.brightness + 1, NULL);
d78865cd 941}
3f4f461f 942
d78865cd
MD		 943static int sony_backlight_get_brightness(struct backlight_device *bd)
944{
945 int value;
3f4f461f 946
59b19106 947 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
d78865cd
MD		 948 return 0;
949 /* brightness levels are 1-based, while backlight ones are 0-based */
950 return value - 1;
3f4f461f
AM		 951}
952
7751ab8e
MD		 953static int sony_nc_get_brightness_ng(struct backlight_device *bd)
954{
955 int result;
956 int *handle = (int *)bl_get_data(bd);
957
958 sony_call_snc_handle(*handle, 0x0200, &result);
959
960 return result & 0xff;
961}
962
963static int sony_nc_update_status_ng(struct backlight_device *bd)
964{
965 int value, result;
966 int *handle = (int *)bl_get_data(bd);
967
968 value = bd->props.brightness;
6192fa71
MD		 969 if (sony_call_snc_handle(*handle, 0x0100 | (value << 16), &result))
970 return -EIO;
7751ab8e 971
6192fa71 972 return value;
7751ab8e
MD		 973}
974
acc2472e 975static const struct backlight_ops sony_backlight_ops = {
7751ab8e 976 .options = BL_CORE_SUSPENDRESUME,
a02d1c1d
LB		 977 .update_status = sony_backlight_update_status,
978 .get_brightness = sony_backlight_get_brightness,
d78865cd 979};
7751ab8e
MD		 980static const struct backlight_ops sony_backlight_ng_ops = {
981 .options = BL_CORE_SUSPENDRESUME,
982 .update_status = sony_nc_update_status_ng,
983 .get_brightness = sony_nc_get_brightness_ng,
984};
985static int backlight_ng_handle;
986static struct backlight_device *sony_backlight_device;
d78865cd 987
6315fd1c
MD		 988/*
989 * New SNC-only Vaios event mapping to driver known keys
990 */
991struct sony_nc_event {
992 u8 data;
993 u8 event;
994};
995
45c7942b 996static struct sony_nc_event sony_100_events[] = {
9b57896e
MG		 997 { 0x90, SONYPI_EVENT_PKEY_P1 },
998 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
6479efb6 999 { 0x91, SONYPI_EVENT_PKEY_P2 },
9b57896e 1000 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
6315fd1c
MD		 1001 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1002 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
f5acf5e8
AV		 1003 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1004 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1005 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1006 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1007 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1008 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
6315fd1c
MD		 1009 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1010 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1011 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1012 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1013 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1014 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
9b57896e
MG		 1015 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1016 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
6315fd1c
MD		 1017 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1018 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1019 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1020 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1a7d9469
MD		 1021 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1022 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
9b57896e
MG		 1023 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1024 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
4f924ba5
MD		 1025 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1026 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1a7d9469
MD		 1027 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1028 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1029 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1030 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1031 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1032 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
6315fd1c
MD		 1033 { 0, 0 },
1034};
1035
45c7942b
MG		 1036static struct sony_nc_event sony_127_events[] = {
1037 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1038 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1039 { 0x82, SONYPI_EVENT_PKEY_P1 },
1040 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1041 { 0x83, SONYPI_EVENT_PKEY_P2 },
1042 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1043 { 0x84, SONYPI_EVENT_PKEY_P3 },
1044 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1045 { 0x85, SONYPI_EVENT_PKEY_P4 },
1046 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1047 { 0x86, SONYPI_EVENT_PKEY_P5 },
1048 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
45c7942b
MG		 1049 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1050 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1051 { 0, 0 },
1052};
1053
d78865cd
MD		 1054/*
1055 * ACPI callbacks
1056 */
8037d6e6 1057static void sony_nc_notify(struct acpi_device *device, u32 event)
7f09c432 1058{
6315fd1c 1059 u32 ev = event;
6315fd1c 1060
9b57896e
MG		 1061 if (ev >= 0x90) {
1062 /* New-style event */
16dd55f3 1063 int result;
45c7942b 1064 int key_handle = 0;
9b57896e
MG		 1065 ev -= 0x90;
1066
45c7942b
MG		 1067 if (sony_find_snc_handle(0x100) == ev)
1068 key_handle = 0x100;
1069 if (sony_find_snc_handle(0x127) == ev)
1070 key_handle = 0x127;
1071
6479efb6 1072 if (key_handle) {
45c7942b 1073 struct sony_nc_event *key_event;
9b57896e 1074
16dd55f3 1075 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
8037d6e6 1076 dprintk("sony_nc_notify, unable to decode"
45c7942b
MG		 1077 " event 0x%.2x 0x%.2x\n", key_handle,
1078 ev);
16dd55f3
MW		 1079 /* restore the original event */
1080 ev = event;
1081 } else {
9b57896e
MG		 1082 ev = result & 0xFF;
1083
16dd55f3
MW		 1084 if (key_handle == 0x100)
1085 key_event = sony_100_events;
1086 else
1087 key_event = sony_127_events;
45c7942b 1088
16dd55f3
MW		 1089 for (; key_event->data; key_event++) {
1090 if (key_event->data == ev) {
1091 ev = key_event->event;
1092 break;
1093 }
9b57896e 1094 }
6315fd1c 1095
16dd55f3 1096 if (!key_event->data)
d6697938 1097 pr_info(DRV_PFX
16dd55f3
MW		 1098 "Unknown event: 0x%x 0x%x\n",
1099 key_handle,
1100 ev);
1101 else
1102 sony_laptop_report_input_event(ev);
45c7942b 1103 }
d5a664a3 1104 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
6cc056bc
MG		 1105 sony_nc_rfkill_update();
1106 return;
9b57896e 1107 }
16dd55f3
MW		 1108 } else
1109 sony_laptop_report_input_event(ev);
badf26f0 1110
8037d6e6 1111 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
14e04fb3 1112 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
7f09c432
SP		 1113}
1114
1115static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1116 void *context, void **return_value)
1117{
30823736 1118 struct acpi_device_info *info;
7f09c432 1119
15b8dd53 1120 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
d6697938 1121 pr_warn(DRV_PFX "method: name: %4.4s, args %X\n",
30823736
LM		 1122 (char *)&info->name, info->param_count);
1123
15b8dd53 1124 kfree(info);
30823736 1125 }
7f09c432
SP		 1126
1127 return AE_OK;
1128}
1129
d78865cd
MD		 1130/*
1131 * ACPI device
1132 */
badf26f0
MG		 1133static int sony_nc_function_setup(struct acpi_device *device)
1134{
1135 int result;
1136
1137 /* Enable all events */
1138 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1139
1140 /* Setup hotkeys */
1141 sony_call_snc_handle(0x0100, 0, &result);
1142 sony_call_snc_handle(0x0101, 0, &result);
1143 sony_call_snc_handle(0x0102, 0x100, &result);
560e84ac 1144 sony_call_snc_handle(0x0127, 0, &result);
badf26f0
MG		 1145
1146 return 0;
1147}
1148
59b19106 1149static int sony_nc_resume(struct acpi_device *device)
d78865cd 1150{
59b19106 1151 struct sony_nc_value *item;
badf26f0 1152 acpi_handle handle;
d78865cd 1153
59b19106 1154 for (item = sony_nc_values; item->name; item++) {
d78865cd
MD		 1155 int ret;
1156
1157 if (!item->valid)
1158 continue;
59b19106 1159 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
a02d1c1d 1160 item->value, NULL);
d78865cd 1161 if (ret < 0) {
d6697938 1162 pr_err(DRV_PFX "%s: %d\n", __func__, ret);
d78865cd
MD		 1163 break;
1164 }
1165 }
6315fd1c 1166
82734bfc
MG		 1167 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1168 &handle))) {
1169 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1170 dprintk("ECON Method failed\n");
1171 }
1172
badf26f0
MG		 1173 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1174 &handle))) {
1175 dprintk("Doing SNC setup\n");
1176 sony_nc_function_setup(device);
1177 }
1178
a0d97d6c
AJ		 1179 /* re-read rfkill state */
1180 sony_nc_rfkill_update();
1181
df410d52
MC		 1182 /* restore kbd backlight states */
1183 sony_nc_kbd_backlight_resume();
1184
d78865cd
MD		 1185 return 0;
1186}
1187
6cc056bc
MG		 1188static void sony_nc_rfkill_cleanup(void)
1189{
1190 int i;
1191
19d337df
JB		 1192 for (i = 0; i < N_SONY_RFKILL; i++) {
1193 if (sony_rfkill_devices[i]) {
6cc056bc 1194 rfkill_unregister(sony_rfkill_devices[i]);
19d337df
JB		 1195 rfkill_destroy(sony_rfkill_devices[i]);
1196 }
6cc056bc
MG		 1197 }
1198}
1199
19d337df 1200static int sony_nc_rfkill_set(void *data, bool blocked)
6cc056bc
MG		 1201{
1202 int result;
1203 int argument = sony_rfkill_address[(long) data] + 0x100;
1204
19d337df 1205 if (!blocked)
6cc056bc
MG		 1206 argument |= 0xff0000;
1207
d5a664a3 1208 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
6cc056bc
MG		 1209}
1210
19d337df
JB		 1211static const struct rfkill_ops sony_rfkill_ops = {
1212 .set_block = sony_nc_rfkill_set,
1213};
6cc056bc 1214
19d337df
JB		 1215static int sony_nc_setup_rfkill(struct acpi_device *device,
1216 enum sony_nc_rfkill nc_type)
6cc056bc
MG		 1217{
1218 int err = 0;
19d337df
JB		 1219 struct rfkill *rfk;
1220 enum rfkill_type type;
1221 const char *name;
50fab076
AJ		 1222 int result;
1223 bool hwblock;
19d337df
JB		 1224
1225 switch (nc_type) {
1226 case SONY_WIFI:
1227 type = RFKILL_TYPE_WLAN;
1228 name = "sony-wifi";
1229 break;
1230 case SONY_BLUETOOTH:
1231 type = RFKILL_TYPE_BLUETOOTH;
1232 name = "sony-bluetooth";
1233 break;
1234 case SONY_WWAN:
1235 type = RFKILL_TYPE_WWAN;
1236 name = "sony-wwan";
1237 break;
1238 case SONY_WIMAX:
1239 type = RFKILL_TYPE_WIMAX;
1240 name = "sony-wimax";
1241 break;
1242 default:
1243 return -EINVAL;
53005a0a 1244 }
6cc056bc 1245
19d337df
JB		 1246 rfk = rfkill_alloc(name, &device->dev, type,
1247 &sony_rfkill_ops, (void *)nc_type);
1248 if (!rfk)
1249 return -ENOMEM;
6cc056bc 1250
d5a664a3 1251 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
50fab076
AJ		 1252 hwblock = !(result & 0x1);
1253 rfkill_set_hw_state(rfk, hwblock);
1254
19d337df
JB		 1255 err = rfkill_register(rfk);
1256 if (err) {
1257 rfkill_destroy(rfk);
1258 return err;
53005a0a 1259 }
19d337df 1260 sony_rfkill_devices[nc_type] = rfk;
6cc056bc
MG		 1261 return err;
1262}
1263
a46a7808 1264static void sony_nc_rfkill_update(void)
6cc056bc 1265{
19d337df
JB		 1266 enum sony_nc_rfkill i;
1267 int result;
1268 bool hwblock;
6cc056bc 1269
d5a664a3 1270 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
19d337df 1271 hwblock = !(result & 0x1);
6cc056bc 1272
19d337df
JB		 1273 for (i = 0; i < N_SONY_RFKILL; i++) {
1274 int argument = sony_rfkill_address[i];
6cc056bc 1275
19d337df
JB		 1276 if (!sony_rfkill_devices[i])
1277 continue;
1278
1279 if (hwblock) {
e1f8a19e
JB		 1280 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1281 /* we already know we're blocked */
1282 }
19d337df 1283 continue;
6cc056bc 1284 }
19d337df 1285
d5a664a3 1286 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
19d337df
JB		 1287 rfkill_set_states(sony_rfkill_devices[i],
1288 !(result & 0xf), false);
6cc056bc
MG		 1289 }
1290}
1291
528809c3 1292static void sony_nc_rfkill_setup(struct acpi_device *device)
6cc056bc 1293{
528809c3
MD		 1294 int offset;
1295 u8 dev_code, i;
1296 acpi_status status;
1297 struct acpi_object_list params;
1298 union acpi_object in_obj;
1299 union acpi_object *device_enum;
1300 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
6cc056bc 1301
528809c3
MD		 1302 offset = sony_find_snc_handle(0x124);
1303 if (offset == -1) {
1304 offset = sony_find_snc_handle(0x135);
1305 if (offset == -1)
1306 return;
d5a664a3
MD		 1307 else
1308 sony_rfkill_handle = 0x135;
1309 } else
1310 sony_rfkill_handle = 0x124;
528809c3
MD		 1311 dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1312
1313 /* need to read the whole buffer returned by the acpi call to SN06
1314 * here otherwise we may miss some features
1315 */
1316 params.count = 1;
1317 params.pointer = &in_obj;
1318 in_obj.type = ACPI_TYPE_INTEGER;
1319 in_obj.integer.value = offset;
1320 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1321 &buffer);
1322 if (ACPI_FAILURE(status)) {
1323 dprintk("Radio device enumeration failed\n");
1324 return;
1325 }
6cc056bc 1326
528809c3 1327 device_enum = (union acpi_object *) buffer.pointer;
200140bd
DC		 1328 if (!device_enum) {
1329 pr_err(DRV_PFX "No SN06 return object.");
1330 goto out_no_enum;
1331 }
1332 if (device_enum->type != ACPI_TYPE_BUFFER) {
d6697938
MD		 1333 pr_err(DRV_PFX "Invalid SN06 return object 0x%.2x\n",
1334 device_enum->type);
528809c3 1335 goto out_no_enum;
6cc056bc
MG		 1336 }
1337
528809c3
MD		 1338 /* the buffer is filled with magic numbers describing the devices
1339 * available, 0xff terminates the enumeration
1340 */
c14973f9
DT		 1341 for (i = 0; i < device_enum->buffer.length; i++) {
1342
1343 dev_code = *(device_enum->buffer.pointer + i);
1344 if (dev_code == 0xff)
1345 break;
1346
528809c3 1347 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
6cc056bc 1348
528809c3
MD		 1349 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1350 sony_nc_setup_rfkill(device, SONY_WIFI);
1351
1352 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1353 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1354
1355 if ((0xf0 & dev_code) == 0x20 &&
1356 !sony_rfkill_devices[SONY_WWAN])
1357 sony_nc_setup_rfkill(device, SONY_WWAN);
1358
1359 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1360 sony_nc_setup_rfkill(device, SONY_WIMAX);
1361 }
1362
1363out_no_enum:
1364 kfree(buffer.pointer);
1365 return;
6cc056bc
MG		 1366}
1367
bf155714
MD		 1368/* Keyboard backlight feature */
1369#define KBDBL_HANDLER 0x137
1370#define KBDBL_PRESENT 0xB00
1371#define SET_MODE 0xC00
df410d52 1372#define SET_STATE 0xD00
bf155714
MD		 1373#define SET_TIMEOUT 0xE00
1374
1375struct kbd_backlight {
1376 int mode;
1377 int timeout;
1378 struct device_attribute mode_attr;
1379 struct device_attribute timeout_attr;
1380};
1381
f11113b2 1382static struct kbd_backlight *kbdbl_handle;
bf155714
MD		 1383
1384static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1385{
1386 int result;
1387
1388 if (value > 1)
1389 return -EINVAL;
1390
1391 if (sony_call_snc_handle(KBDBL_HANDLER,
1392 (value << 0x10) | SET_MODE, &result))
1393 return -EIO;
1394
df410d52
MC		 1395 /* Try to turn the light on/off immediately */
1396 sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
1397 &result);
1398
bf155714
MD		 1399 kbdbl_handle->mode = value;
1400
1401 return 0;
1402}
1403
1404static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1405 struct device_attribute *attr,
1406 const char *buffer, size_t count)
1407{
1408 int ret = 0;
1409 unsigned long value;
1410
1411 if (count > 31)
1412 return -EINVAL;
1413
1414 if (strict_strtoul(buffer, 10, &value))
1415 return -EINVAL;
1416
1417 ret = __sony_nc_kbd_backlight_mode_set(value);
1418 if (ret < 0)
1419 return ret;
1420
1421 return count;
1422}
1423
1424static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1425 struct device_attribute *attr, char *buffer)
1426{
1427 ssize_t count = 0;
1428 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
1429 return count;
1430}
1431
1432static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1433{
1434 int result;
1435
1436 if (value > 3)
1437 return -EINVAL;
1438
1439 if (sony_call_snc_handle(KBDBL_HANDLER,
1440 (value << 0x10) | SET_TIMEOUT, &result))
1441 return -EIO;
1442
1443 kbdbl_handle->timeout = value;
1444
1445 return 0;
1446}
1447
1448static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1449 struct device_attribute *attr,
1450 const char *buffer, size_t count)
1451{
1452 int ret = 0;
1453 unsigned long value;
1454
1455 if (count > 31)
1456 return -EINVAL;
1457
1458 if (strict_strtoul(buffer, 10, &value))
1459 return -EINVAL;
1460
1461 ret = __sony_nc_kbd_backlight_timeout_set(value);
1462 if (ret < 0)
1463 return ret;
1464
1465 return count;
1466}
1467
1468static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1469 struct device_attribute *attr, char *buffer)
1470{
1471 ssize_t count = 0;
1472 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
1473 return count;
1474}
1475
1476static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
1477{
1478 int result;
1479
df410d52 1480 if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
bf155714
MD		 1481 return 0;
1482 if (!(result & 0x02))
1483 return 0;
1484
1485 kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
31f00759
DC		 1486 if (!kbdbl_handle)
1487 return -ENOMEM;
bf155714
MD		 1488
1489 sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
1490 kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
1491 kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1492 kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1493 kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1494
1495 sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
1496 kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
1497 kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1498 kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1499 kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1500
1501 if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
1502 goto outkzalloc;
1503
1504 if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
1505 goto outmode;
1506
1507 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1508 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1509
1510 return 0;
1511
1512outmode:
1513 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1514outkzalloc:
1515 kfree(kbdbl_handle);
1516 kbdbl_handle = NULL;
1517 return -1;
1518}
1519
1520static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1521{
1522 if (kbdbl_handle) {
df410d52
MC		 1523 int result;
1524
bf155714
MD		 1525 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1526 device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
df410d52
MC		 1527
1528 /* restore the default hw behaviour */
1529 sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
1530 sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);
1531
bf155714
MD		 1532 kfree(kbdbl_handle);
1533 }
1534 return 0;
1535}
1536
df410d52
MC		 1537static void sony_nc_kbd_backlight_resume(void)
1538{
1539 int ignore = 0;
1540
1541 if (!kbdbl_handle)
1542 return;
1543
1544 if (kbdbl_handle->mode == 0)
1545 sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);
1546
1547 if (kbdbl_handle->timeout != 0)
1548 sony_call_snc_handle(KBDBL_HANDLER,
1549 (kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
1550 &ignore);
1551}
1552
7751ab8e
MD		 1553static void sony_nc_backlight_setup(void)
1554{
1555 acpi_handle unused;
1556 int max_brightness = 0;
1557 const struct backlight_ops *ops = NULL;
1558 struct backlight_properties props;
1559
1560 if (sony_find_snc_handle(0x12f) != -1) {
1561 backlight_ng_handle = 0x12f;
1562 ops = &sony_backlight_ng_ops;
1563 max_brightness = 0xff;
1564
1565 } else if (sony_find_snc_handle(0x137) != -1) {
1566 backlight_ng_handle = 0x137;
1567 ops = &sony_backlight_ng_ops;
1568 max_brightness = 0xff;
1569
1570 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1571 &unused))) {
1572 ops = &sony_backlight_ops;
1573 max_brightness = SONY_MAX_BRIGHTNESS - 1;
1574
1575 } else
1576 return;
1577
1578 memset(&props, 0, sizeof(struct backlight_properties));
1579 props.type = BACKLIGHT_PLATFORM;
1580 props.max_brightness = max_brightness;
1581 sony_backlight_device = backlight_device_register("sony", NULL,
1582 &backlight_ng_handle,
1583 ops, &props);
1584
1585 if (IS_ERR(sony_backlight_device)) {
1586 pr_warning(DRV_PFX "unable to register backlight device\n");
1587 sony_backlight_device = NULL;
1588 } else
1589 sony_backlight_device->props.brightness =
1590 ops->get_brightness(sony_backlight_device);
1591}
1592
1593static void sony_nc_backlight_cleanup(void)
1594{
1595 if (sony_backlight_device)
1596 backlight_device_unregister(sony_backlight_device);
1597}
1598
59b19106 1599static int sony_nc_add(struct acpi_device *device)
7f09c432
SP		 1600{
1601 acpi_status status;
8607c673 1602 int result = 0;
50f62afb 1603 acpi_handle handle;
56b8756b 1604 struct sony_nc_value *item;
7f09c432 1605
d6697938
MD		 1606 pr_info(DRV_PFX "%s v%s.\n", SONY_NC_DRIVER_NAME,
1607 SONY_LAPTOP_DRIVER_VERSION);
f6119b02 1608
59b19106 1609 sony_nc_acpi_device = device;
33a04454 1610 strcpy(acpi_device_class(device), "sony/hotkey");
c561162f 1611
59b19106 1612 sony_nc_acpi_handle = device->handle;
7f09c432 1613
b25b732a
MD		 1614 /* read device status */
1615 result = acpi_bus_get_status(device);
1616 /* bail IFF the above call was successful and the device is not present */
1617 if (!result && !device->status.present) {
1618 dprintk("Device not present\n");
1619 result = -ENODEV;
1620 goto outwalk;
1621 }
1622
2a4f0c81
MD		 1623 result = sony_pf_add();
1624 if (result)
1625 goto outpresent;
1626
7f09c432 1627 if (debug) {
d6697938
MD		 1628 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
1629 sony_nc_acpi_handle, 1, sony_walk_callback,
1630 NULL, NULL, NULL);
7f09c432 1631 if (ACPI_FAILURE(status)) {
d6697938 1632 pr_warn(DRV_PFX "unable to walk acpi resources\n");
7f09c432 1633 result = -ENODEV;
2a4f0c81 1634 goto outpresent;
7f09c432 1635 }
c561162f 1636 }
7f09c432 1637
82734bfc
MG		 1638 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1639 &handle))) {
1640 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1641 dprintk("ECON Method failed\n");
1642 }
1643
badf26f0
MG		 1644 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1645 &handle))) {
1646 dprintk("Doing SNC setup\n");
7227dedb
DC		 1647 result = sony_nc_handles_setup(sony_pf_device);
1648 if (result)
2a4f0c81 1649 goto outpresent;
7227dedb
DC		 1650 result = sony_nc_kbd_backlight_setup(sony_pf_device);
1651 if (result)
bf155714 1652 goto outsnc;
badf26f0 1653 sony_nc_function_setup(device);
6cc056bc 1654 sony_nc_rfkill_setup(device);
badf26f0
MG		 1655 }
1656
1549ee6f 1657 /* setup input devices and helper fifo */
2e4d242c 1658 result = sony_laptop_setup_input(device);
1549ee6f 1659 if (result) {
d6697938 1660 pr_err(DRV_PFX "Unable to create input devices.\n");
bf155714 1661 goto outkbdbacklight;
1549ee6f 1662 }
1663
38cfc148 1664 if (acpi_video_backlight_support()) {
d6697938 1665 pr_info(DRV_PFX "brightness ignored, must be "
540b8bb9 1666 "controlled by ACPI video driver\n");
7751ab8e
MD		 1667 } else {
1668 sony_nc_backlight_setup();
50f62afb 1669 }
7f09c432 1670
56b8756b 1671 /* create sony_pf sysfs attributes related to the SNC device */
1672 for (item = sony_nc_values; item->name; ++item) {
1673
1674 if (!debug && item->debug)
1675 continue;
1676
1677 /* find the available acpiget as described in the DSDT */
1678 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1679 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1680 *item->acpiget,
1681 &handle))) {
b9a218b7 1682 dprintk("Found %s getter: %s\n",
1683 item->name, *item->acpiget);
56b8756b 1684 item->devattr.attr.mode |= S_IRUGO;
1685 break;
1686 }
1687 }
1688
1689 /* find the available acpiset as described in the DSDT */
1690 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1691 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1692 *item->acpiset,
1693 &handle))) {
b9a218b7 1694 dprintk("Found %s setter: %s\n",
1695 item->name, *item->acpiset);
56b8756b 1696 item->devattr.attr.mode |= S_IWUSR;
1697 break;
1698 }
1699 }
1700
1701 if (item->devattr.attr.mode != 0) {
1702 result =
1703 device_create_file(&sony_pf_device->dev,
1704 &item->devattr);
1705 if (result)
1706 goto out_sysfs;
1707 }
1708 }
1709
7f09c432
SP		 1710 return 0;
1711
56b8756b 1712 out_sysfs:
1713 for (item = sony_nc_values; item->name; ++item) {
1714 device_remove_file(&sony_pf_device->dev, &item->devattr);
1715 }
7751ab8e 1716 sony_nc_backlight_cleanup();
7df03b82 1717
1549ee6f 1718 sony_laptop_remove_input();
1719
bf155714
MD		 1720 outkbdbacklight:
1721 sony_nc_kbd_backlight_cleanup(sony_pf_device);
1722
2a4f0c81
MD		 1723 outsnc:
1724 sony_nc_handles_cleanup(sony_pf_device);
1725
1726 outpresent:
1727 sony_pf_remove();
1728
a02d1c1d 1729 outwalk:
6cc056bc 1730 sony_nc_rfkill_cleanup();
7f09c432
SP		 1731 return result;
1732}
1733
59b19106 1734static int sony_nc_remove(struct acpi_device *device, int type)
7f09c432 1735{
56b8756b 1736 struct sony_nc_value *item;
7f09c432 1737
7751ab8e 1738 sony_nc_backlight_cleanup();
50f62afb 1739
59b19106 1740 sony_nc_acpi_device = NULL;
c561162f 1741
56b8756b 1742 for (item = sony_nc_values; item->name; ++item) {
1743 device_remove_file(&sony_pf_device->dev, &item->devattr);
1744 }
1745
bf155714 1746 sony_nc_kbd_backlight_cleanup(sony_pf_device);
2a4f0c81 1747 sony_nc_handles_cleanup(sony_pf_device);
56b8756b 1748 sony_pf_remove();
1549ee6f 1749 sony_laptop_remove_input();
6cc056bc 1750 sony_nc_rfkill_cleanup();
f6119b02 1751 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
7f09c432
SP		 1752
1753 return 0;
1754}
1755
1ba90e3a
TR		 1756static const struct acpi_device_id sony_device_ids[] = {
1757 {SONY_NC_HID, 0},
1758 {SONY_PIC_HID, 0},
1759 {"", 0},
1760};
1761MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1762
1763static const struct acpi_device_id sony_nc_device_ids[] = {
1764 {SONY_NC_HID, 0},
1765 {"", 0},
1766};
1767
59b19106 1768static struct acpi_driver sony_nc_driver = {
1769 .name = SONY_NC_DRIVER_NAME,
1770 .class = SONY_NC_CLASS,
1ba90e3a 1771 .ids = sony_nc_device_ids,
33a04454 1772 .owner = THIS_MODULE,
a02d1c1d 1773 .ops = {
59b19106 1774 .add = sony_nc_add,
1775 .remove = sony_nc_remove,
1776 .resume = sony_nc_resume,
8037d6e6 1777 .notify = sony_nc_notify,
a02d1c1d 1778 },
3f4f461f
AM		 1779};
1780
33a04454 1781/*********** SPIC (SNY6001) Device ***********/
1782
1783#define SONYPI_DEVICE_TYPE1 0x00000001
1784#define SONYPI_DEVICE_TYPE2 0x00000002
1785#define SONYPI_DEVICE_TYPE3 0x00000004
1786
22a17780
MD		 1787#define SONYPI_TYPE1_OFFSET 0x04
1788#define SONYPI_TYPE2_OFFSET 0x12
1789#define SONYPI_TYPE3_OFFSET 0x12
33a04454 1790
33a04454 1791struct sony_pic_ioport {
fd1caaed
MD		 1792 struct acpi_resource_io io1;
1793 struct acpi_resource_io io2;
33a04454 1794 struct list_head list;
1795};
1796
1797struct sony_pic_irq {
1798 struct acpi_resource_irq irq;
1799 struct list_head list;
1800};
1801
de920430
MD		 1802struct sonypi_eventtypes {
1803 u8 data;
1804 unsigned long mask;
1805 struct sonypi_event *events;
1806};
1807
31df7144
MD		 1808struct sony_pic_dev {
1809 struct acpi_device *acpi_dev;
1810 struct sony_pic_irq *cur_irq;
1811 struct sony_pic_ioport *cur_ioport;
1812 struct list_head interrupts;
1813 struct list_head ioports;
1814 struct mutex lock;
1815 struct sonypi_eventtypes *event_types;
1816 int (*handle_irq)(const u8, const u8);
de920430 1817 int model;
de920430 1818 u16 evport_offset;
31df7144
MD		 1819 u8 camera_power;
1820 u8 bluetooth_power;
1821 u8 wwan_power;
33a04454 1822};
1823
1824static struct sony_pic_dev spic_dev = {
1825 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1826 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1827};
1828
5e6f9725
AJ		 1829static int spic_drv_registered;
1830
33a04454 1831/* Event masks */
1832#define SONYPI_JOGGER_MASK 0x00000001
1833#define SONYPI_CAPTURE_MASK 0x00000002
1834#define SONYPI_FNKEY_MASK 0x00000004
1835#define SONYPI_BLUETOOTH_MASK 0x00000008
1836#define SONYPI_PKEY_MASK 0x00000010
1837#define SONYPI_BACK_MASK 0x00000020
1838#define SONYPI_HELP_MASK 0x00000040
1839#define SONYPI_LID_MASK 0x00000080
1840#define SONYPI_ZOOM_MASK 0x00000100
1841#define SONYPI_THUMBPHRASE_MASK 0x00000200
1842#define SONYPI_MEYE_MASK 0x00000400
1843#define SONYPI_MEMORYSTICK_MASK 0x00000800
1844#define SONYPI_BATTERY_MASK 0x00001000
1845#define SONYPI_WIRELESS_MASK 0x00002000
1846
1847struct sonypi_event {
1848 u8 data;
1849 u8 event;
1850};
1851
1852/* The set of possible button release events */
1853static struct sonypi_event sonypi_releaseev[] = {
1854 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1855 { 0, 0 }
1856};
1857
1858/* The set of possible jogger events */
1859static struct sonypi_event sonypi_joggerev[] = {
1860 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1861 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1862 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1863 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1864 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1865 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1866 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1867 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1868 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1869 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1870 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1871 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1872 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1873 { 0, 0 }
1874};
1875
1876/* The set of possible capture button events */
1877static struct sonypi_event sonypi_captureev[] = {
1878 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1879 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3eb8749a 1880 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
33a04454 1881 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1882 { 0, 0 }
1883};
1884
1885/* The set of possible fnkeys events */
1886static struct sonypi_event sonypi_fnkeyev[] = {
1887 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1888 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1889 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1890 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1891 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1892 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1893 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1894 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1895 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1896 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1897 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1898 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1899 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1900 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1901 { 0x21, SONYPI_EVENT_FNKEY_1 },
1902 { 0x22, SONYPI_EVENT_FNKEY_2 },
1903 { 0x31, SONYPI_EVENT_FNKEY_D },
1904 { 0x32, SONYPI_EVENT_FNKEY_E },
1905 { 0x33, SONYPI_EVENT_FNKEY_F },
1906 { 0x34, SONYPI_EVENT_FNKEY_S },
1907 { 0x35, SONYPI_EVENT_FNKEY_B },
1908 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1909 { 0, 0 }
1910};
1911
1912/* The set of possible program key events */
1913static struct sonypi_event sonypi_pkeyev[] = {
1914 { 0x01, SONYPI_EVENT_PKEY_P1 },
1915 { 0x02, SONYPI_EVENT_PKEY_P2 },
1916 { 0x04, SONYPI_EVENT_PKEY_P3 },
1cae7103 1917 { 0x20, SONYPI_EVENT_PKEY_P1 },
33a04454 1918 { 0, 0 }
1919};
1920
1921/* The set of possible bluetooth events */
1922static struct sonypi_event sonypi_blueev[] = {
1923 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1924 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1925 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1926 { 0, 0 }
1927};
1928
1929/* The set of possible wireless events */
1930static struct sonypi_event sonypi_wlessev[] = {
4eeb5022
MD		 1931 { 0x59, SONYPI_EVENT_IGNORE },
1932 { 0x5a, SONYPI_EVENT_IGNORE },
33a04454 1933 { 0, 0 }
1934};
1935
1936/* The set of possible back button events */
1937static struct sonypi_event sonypi_backev[] = {
1938 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1939 { 0, 0 }
1940};
1941
1942/* The set of possible help button events */
1943static struct sonypi_event sonypi_helpev[] = {
1944 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1945 { 0, 0 }
1946};
1947
1948
1949/* The set of possible lid events */
1950static struct sonypi_event sonypi_lidev[] = {
1951 { 0x51, SONYPI_EVENT_LID_CLOSED },
1952 { 0x50, SONYPI_EVENT_LID_OPENED },
1953 { 0, 0 }
1954};
1955
1956/* The set of possible zoom events */
1957static struct sonypi_event sonypi_zoomev[] = {
1958 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3eb8749a
MD		 1959 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1960 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1cae7103 1961 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
33a04454 1962 { 0, 0 }
1963};
1964
1965/* The set of possible thumbphrase events */
1966static struct sonypi_event sonypi_thumbphraseev[] = {
1967 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1968 { 0, 0 }
1969};
1970
1971/* The set of possible motioneye camera events */
1972static struct sonypi_event sonypi_meyeev[] = {
1973 { 0x00, SONYPI_EVENT_MEYE_FACE },
1974 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1975 { 0, 0 }
1976};
1977
1978/* The set of possible memorystick events */
1979static struct sonypi_event sonypi_memorystickev[] = {
1980 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1981 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1982 { 0, 0 }
1983};
1984
1985/* The set of possible battery events */
1986static struct sonypi_event sonypi_batteryev[] = {
1987 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1988 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1989 { 0, 0 }
1990};
1991
1cae7103
HJ		 1992/* The set of possible volume events */
1993static struct sonypi_event sonypi_volumeev[] = {
1994 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1995 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1996 { 0, 0 }
1997};
1998
1999/* The set of possible brightness events */
2000static struct sonypi_event sonypi_brightnessev[] = {
2001 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
2002 { 0, 0 }
2003};
2004
de920430
MD		 2005static struct sonypi_eventtypes type1_events[] = {
2006 { 0, 0xffffffff, sonypi_releaseev },
2007 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
2008 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
2009 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
2010 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
2011 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2012 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2013 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
2014 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2015 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
2016 { 0 },
2017};
2018static struct sonypi_eventtypes type2_events[] = {
2019 { 0, 0xffffffff, sonypi_releaseev },
2020 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
2021 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
2022 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
2023 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2024 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2025 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
2026 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
2027 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
2028 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
2029 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
2030 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2031 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2032 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2033 { 0 },
2034};
2035static struct sonypi_eventtypes type3_events[] = {
2036 { 0, 0xffffffff, sonypi_releaseev },
2037 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2038 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
2039 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2040 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2041 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3eb8749a
MD		 2042 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
2043 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
2044 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1cae7103
HJ		 2045 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
2046 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3eb8749a 2047 { 0 },
de920430
MD		 2048};
2049
3eb8749a 2050/* low level spic calls */
33a04454 2051#define ITERATIONS_LONG 10000
2052#define ITERATIONS_SHORT 10
2053#define wait_on_command(command, iterations) { \
2054 unsigned int n = iterations; \
2055 while (--n && (command)) \
2056 udelay(1); \
2057 if (!n) \
2058 dprintk("command failed at %s : %s (line %d)\n", \
6e574195 2059 __FILE__, __func__, __LINE__); \
33a04454 2060}
2061
2062static u8 sony_pic_call1(u8 dev)
2063{
2064 u8 v1, v2;
2065
fd1caaed 2066 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
33a04454 2067 ITERATIONS_LONG);
fd1caaed
MD		 2068 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2069 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
2070 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
75a1f9ce 2071 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
33a04454 2072 return v2;
2073}
2074
2075static u8 sony_pic_call2(u8 dev, u8 fn)
2076{
2077 u8 v1;
2078
fd1caaed 2079 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
33a04454 2080 ITERATIONS_LONG);
fd1caaed
MD		 2081 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2082 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
33a04454 2083 ITERATIONS_LONG);
fd1caaed
MD		 2084 outb(fn, spic_dev.cur_ioport->io1.minimum);
2085 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
75a1f9ce 2086 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
33a04454 2087 return v1;
2088}
2089
49a11dea 2090static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
2091{
2092 u8 v1;
2093
fd1caaed
MD		 2094 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2095 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2096 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2097 outb(fn, spic_dev.cur_ioport->io1.minimum);
2098 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2099 outb(v, spic_dev.cur_ioport->io1.minimum);
2100 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
75a1f9ce
MD		 2101 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
2102 dev, fn, v, v1);
49a11dea 2103 return v1;
2104}
2105
3eb8749a
MD		 2106/*
2107 * minidrivers for SPIC models
2108 */
e93c8a68 2109static int type3_handle_irq(const u8 data_mask, const u8 ev)
3eb8749a
MD		 2110{
2111 /*
2112 * 0x31 could mean we have to take some extra action and wait for
e93c8a68 2113 * the next irq for some Type3 models, it will generate a new
3eb8749a
MD		 2114 * irq and we can read new data from the device:
2115 * - 0x5c and 0x5f requires 0xA0
2116 * - 0x61 requires 0xB3
2117 */
2118 if (data_mask == 0x31) {
2119 if (ev == 0x5c || ev == 0x5f)
2120 sony_pic_call1(0xA0);
2121 else if (ev == 0x61)
2122 sony_pic_call1(0xB3);
2123 return 0;
2124 }
2125 return 1;
2126}
2127
3eb8749a
MD		 2128static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
2129{
2130 struct pci_dev *pcidev;
2131
2132 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2133 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
2134 if (pcidev) {
31df7144
MD		 2135 dev->model = SONYPI_DEVICE_TYPE1;
2136 dev->evport_offset = SONYPI_TYPE1_OFFSET;
2137 dev->event_types = type1_events;
3eb8749a
MD		 2138 goto out;
2139 }
2140
2141 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2142 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
2143 if (pcidev) {
31df7144
MD		 2144 dev->model = SONYPI_DEVICE_TYPE2;
2145 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2146 dev->event_types = type2_events;
3eb8749a
MD		 2147 goto out;
2148 }
2149
2150 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2151 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
2152 if (pcidev) {
31df7144
MD		 2153 dev->model = SONYPI_DEVICE_TYPE3;
2154 dev->handle_irq = type3_handle_irq;
2155 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2156 dev->event_types = type3_events;
3eb8749a
MD		 2157 goto out;
2158 }
2159
2160 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2161 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
2162 if (pcidev) {
31df7144
MD		 2163 dev->model = SONYPI_DEVICE_TYPE3;
2164 dev->handle_irq = type3_handle_irq;
2165 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2166 dev->event_types = type3_events;
3eb8749a
MD		 2167 goto out;
2168 }
2169
d5b02695
IM		 2170 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2171 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
2172 if (pcidev) {
31df7144
MD		 2173 dev->model = SONYPI_DEVICE_TYPE3;
2174 dev->handle_irq = type3_handle_irq;
2175 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2176 dev->event_types = type3_events;
d5b02695
IM		 2177 goto out;
2178 }
2179
3eb8749a 2180 /* default */
31df7144
MD		 2181 dev->model = SONYPI_DEVICE_TYPE2;
2182 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2183 dev->event_types = type2_events;
3eb8749a
MD		 2184
2185out:
2186 if (pcidev)
2187 pci_dev_put(pcidev);
2188
d6697938 2189 pr_info(DRV_PFX "detected Type%d model\n",
31df7144
MD		 2190 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
2191 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3eb8749a
MD		 2192}
2193
49a11dea 2194/* camera tests and poweron/poweroff */
2195#define SONYPI_CAMERA_PICTURE 5
49a11dea 2196#define SONYPI_CAMERA_CONTROL 0x10
e364632e 2197
2198#define SONYPI_CAMERA_BRIGHTNESS 0
2199#define SONYPI_CAMERA_CONTRAST 1
2200#define SONYPI_CAMERA_HUE 2
2201#define SONYPI_CAMERA_COLOR 3
2202#define SONYPI_CAMERA_SHARPNESS 4
2203
2204#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
2205#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
2206#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
2207#define SONYPI_CAMERA_MUTE_MASK 0x40
2208
2209/* the rest don't need a loop until not 0xff */
2210#define SONYPI_CAMERA_AGC 6
2211#define SONYPI_CAMERA_AGC_MASK 0x30
2212#define SONYPI_CAMERA_SHUTTER_MASK 0x7
2213
2214#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
2215#define SONYPI_CAMERA_CONTROL 0x10
2216
2217#define SONYPI_CAMERA_STATUS 7
2218#define SONYPI_CAMERA_STATUS_READY 0x2
2219#define SONYPI_CAMERA_STATUS_POSITION 0x4
2220
2221#define SONYPI_DIRECTION_BACKWARDS 0x4
2222
2223#define SONYPI_CAMERA_REVISION 8
2224#define SONYPI_CAMERA_ROMVERSION 9
49a11dea 2225
9f9f0761 2226static int __sony_pic_camera_ready(void)
49a11dea 2227{
2228 u8 v;
2229
2230 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
2231 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
2232}
2233
e364632e 2234static int __sony_pic_camera_off(void)
49a11dea 2235{
5f3d2898 2236 if (!camera) {
d6697938 2237 pr_warn(DRV_PFX "camera control not enabled\n");
5f3d2898 2238 return -ENODEV;
2239 }
2240
49a11dea 2241 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
2242 SONYPI_CAMERA_MUTE_MASK),
2243 ITERATIONS_SHORT);
2244
5f3d2898 2245 if (spic_dev.camera_power) {
2246 sony_pic_call2(0x91, 0);
2247 spic_dev.camera_power = 0;
2248 }
2249 return 0;
49a11dea 2250}
2251
e364632e 2252static int __sony_pic_camera_on(void)
49a11dea 2253{
5f3d2898 2254 int i, j, x;
2255
2256 if (!camera) {
d6697938 2257 pr_warn(DRV_PFX "camera control not enabled\n");
5f3d2898 2258 return -ENODEV;
2259 }
49a11dea 2260
2261 if (spic_dev.camera_power)
e364632e 2262 return 0;
49a11dea 2263
2264 for (j = 5; j > 0; j--) {
2265
5f3d2898 2266 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
49a11dea 2267 msleep(10);
2268 sony_pic_call1(0x93);
2269
2270 for (i = 400; i > 0; i--) {
9f9f0761 2271 if (__sony_pic_camera_ready())
49a11dea 2272 break;
2273 msleep(10);
2274 }
2275 if (i)
2276 break;
2277 }
2278
2279 if (j == 0) {
d6697938 2280 pr_warn(DRV_PFX "failed to power on camera\n");
e364632e 2281 return -ENODEV;
49a11dea 2282 }
2283
2284 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
2285 0x5a),
2286 ITERATIONS_SHORT);
2287
2288 spic_dev.camera_power = 1;
5f3d2898 2289 return 0;
49a11dea 2290}
2291
e364632e 2292/* External camera command (exported to the motion eye v4l driver) */
2293int sony_pic_camera_command(int command, u8 value)
2294{
2295 if (!camera)
2296 return -EIO;
2297
2298 mutex_lock(&spic_dev.lock);
2299
2300 switch (command) {
1ce82c14 2301 case SONY_PIC_COMMAND_SETCAMERA:
e364632e 2302 if (value)
2303 __sony_pic_camera_on();
2304 else
2305 __sony_pic_camera_off();
2306 break;
1ce82c14 2307 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
e364632e 2308 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
2309 ITERATIONS_SHORT);
2310 break;
1ce82c14 2311 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
e364632e 2312 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
2313 ITERATIONS_SHORT);
2314 break;
1ce82c14 2315 case SONY_PIC_COMMAND_SETCAMERAHUE:
e364632e 2316 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
2317 ITERATIONS_SHORT);
2318 break;
1ce82c14 2319 case SONY_PIC_COMMAND_SETCAMERACOLOR:
e364632e 2320 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
2321 ITERATIONS_SHORT);
2322 break;
1ce82c14 2323 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
e364632e 2324 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
2325 ITERATIONS_SHORT);
2326 break;
1ce82c14 2327 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
e364632e 2328 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
2329 ITERATIONS_SHORT);
2330 break;
1ce82c14 2331 case SONY_PIC_COMMAND_SETCAMERAAGC:
e364632e 2332 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
2333 ITERATIONS_SHORT);
2334 break;
2335 default:
d6697938 2336 pr_err(DRV_PFX "sony_pic_camera_command invalid: %d\n",
e364632e 2337 command);
2338 break;
2339 }
2340 mutex_unlock(&spic_dev.lock);
2341 return 0;
2342}
2343EXPORT_SYMBOL(sony_pic_camera_command);
2344
9476cdfa 2345/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
c9f1e6f6 2346static void __sony_pic_set_wwanpower(u8 state)
9476cdfa 2347{
2348 state = !!state;
c9f1e6f6 2349 if (spic_dev.wwan_power == state)
9476cdfa 2350 return;
9476cdfa 2351 sony_pic_call2(0xB0, state);
3ad1b761 2352 sony_pic_call1(0x82);
9476cdfa 2353 spic_dev.wwan_power = state;
9476cdfa 2354}
2355
2356static ssize_t sony_pic_wwanpower_store(struct device *dev,
2357 struct device_attribute *attr,
2358 const char *buffer, size_t count)
2359{
2360 unsigned long value;
2361 if (count > 31)
2362 return -EINVAL;
2363
2364 value = simple_strtoul(buffer, NULL, 10);
c9f1e6f6
MD		 2365 mutex_lock(&spic_dev.lock);
2366 __sony_pic_set_wwanpower(value);
2367 mutex_unlock(&spic_dev.lock);
9476cdfa 2368
2369 return count;
2370}
2371
2372static ssize_t sony_pic_wwanpower_show(struct device *dev,
2373 struct device_attribute *attr, char *buffer)
2374{
2375 ssize_t count;
2376 mutex_lock(&spic_dev.lock);
2377 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2378 mutex_unlock(&spic_dev.lock);
2379 return count;
2380}
2381
49a11dea 2382/* bluetooth subsystem power state */
9f9f0761 2383static void __sony_pic_set_bluetoothpower(u8 state)
49a11dea 2384{
2385 state = !!state;
2386 if (spic_dev.bluetooth_power == state)
2387 return;
2388 sony_pic_call2(0x96, state);
2389 sony_pic_call1(0x82);
2390 spic_dev.bluetooth_power = state;
2391}
2392
2393static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2394 struct device_attribute *attr,
2395 const char *buffer, size_t count)
2396{
2397 unsigned long value;
2398 if (count > 31)
2399 return -EINVAL;
2400
2401 value = simple_strtoul(buffer, NULL, 10);
9f9f0761 2402 mutex_lock(&spic_dev.lock);
2403 __sony_pic_set_bluetoothpower(value);
2404 mutex_unlock(&spic_dev.lock);
49a11dea 2405
2406 return count;
2407}
2408
2409static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2410 struct device_attribute *attr, char *buffer)
2411{
9f9f0761 2412 ssize_t count = 0;
2413 mutex_lock(&spic_dev.lock);
2414 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2415 mutex_unlock(&spic_dev.lock);
2416 return count;
49a11dea 2417}
2418
2419/* fan speed */
2420/* FAN0 information (reverse engineered from ACPI tables) */
2421#define SONY_PIC_FAN0_STATUS 0x93
7b153f36 2422static int sony_pic_set_fanspeed(unsigned long value)
2423{
2424 return ec_write(SONY_PIC_FAN0_STATUS, value);
2425}
2426
2427static int sony_pic_get_fanspeed(u8 *value)
2428{
2429 return ec_read(SONY_PIC_FAN0_STATUS, value);
2430}
2431
49a11dea 2432static ssize_t sony_pic_fanspeed_store(struct device *dev,
2433 struct device_attribute *attr,
2434 const char *buffer, size_t count)
2435{
2436 unsigned long value;
2437 if (count > 31)
2438 return -EINVAL;
2439
2440 value = simple_strtoul(buffer, NULL, 10);
7b153f36 2441 if (sony_pic_set_fanspeed(value))
49a11dea 2442 return -EIO;
2443
2444 return count;
2445}
2446
2447static ssize_t sony_pic_fanspeed_show(struct device *dev,
2448 struct device_attribute *attr, char *buffer)
2449{
2450 u8 value = 0;
7b153f36 2451 if (sony_pic_get_fanspeed(&value))
49a11dea 2452 return -EIO;
2453
2454 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2455}
2456
2457#define SPIC_ATTR(_name, _mode) \
2458struct device_attribute spic_attr_##_name = __ATTR(_name, \
2459 _mode, sony_pic_## _name ##_show, \
2460 sony_pic_## _name ##_store)
2461
49a11dea 2462static SPIC_ATTR(bluetoothpower, 0644);
9476cdfa 2463static SPIC_ATTR(wwanpower, 0644);
49a11dea 2464static SPIC_ATTR(fanspeed, 0644);
2465
2466static struct attribute *spic_attributes[] = {
49a11dea 2467 &spic_attr_bluetoothpower.attr,
9476cdfa 2468 &spic_attr_wwanpower.attr,
49a11dea 2469 &spic_attr_fanspeed.attr,
2470 NULL
2471};
2472
2473static struct attribute_group spic_attribute_group = {
2474 .attrs = spic_attributes
2475};
2476
7b153f36 2477/******** SONYPI compatibility **********/
a64e62a0 2478#ifdef CONFIG_SONYPI_COMPAT
7b153f36 2479
2480/* battery / brightness / temperature addresses */
2481#define SONYPI_BAT_FLAGS 0x81
2482#define SONYPI_LCD_LIGHT 0x96
2483#define SONYPI_BAT1_PCTRM 0xa0
2484#define SONYPI_BAT1_LEFT 0xa2
2485#define SONYPI_BAT1_MAXRT 0xa4
2486#define SONYPI_BAT2_PCTRM 0xa8
2487#define SONYPI_BAT2_LEFT 0xaa
2488#define SONYPI_BAT2_MAXRT 0xac
2489#define SONYPI_BAT1_MAXTK 0xb0
2490#define SONYPI_BAT1_FULL 0xb2
2491#define SONYPI_BAT2_MAXTK 0xb8
2492#define SONYPI_BAT2_FULL 0xba
2493#define SONYPI_TEMP_STATUS 0xC1
2494
2495struct sonypi_compat_s {
2496 struct fasync_struct *fifo_async;
45465487 2497 struct kfifo fifo;
7b153f36 2498 spinlock_t fifo_lock;
2499 wait_queue_head_t fifo_proc_list;
2500 atomic_t open_count;
2501};
2502static struct sonypi_compat_s sonypi_compat = {
2503 .open_count = ATOMIC_INIT(0),
2504};
2505
2506static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2507{
60aa4924 2508 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
7b153f36 2509}
2510
2511static int sonypi_misc_release(struct inode *inode, struct file *file)
2512{
7b153f36 2513 atomic_dec(&sonypi_compat.open_count);
2514 return 0;
2515}
2516
2517static int sonypi_misc_open(struct inode *inode, struct file *file)
2518{
2519 /* Flush input queue on first open */
4ef4cbb3
AIB		 2520 unsigned long flags;
2521
45465487 2522 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4ef4cbb3 2523
7b153f36 2524 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
e64c026d 2525 kfifo_reset(&sonypi_compat.fifo);
4ef4cbb3 2526
45465487 2527 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4ef4cbb3 2528
7b153f36 2529 return 0;
2530}
2531
2532static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2533 size_t count, loff_t *pos)
2534{
2535 ssize_t ret;
2536 unsigned char c;
2537
45465487 2538 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
7b153f36 2539 (file->f_flags & O_NONBLOCK))
2540 return -EAGAIN;
2541
2542 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
45465487 2543 kfifo_len(&sonypi_compat.fifo) != 0);
7b153f36 2544 if (ret)
2545 return ret;
2546
2547 while (ret < count &&
7acd72eb 2548 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
c1e13f25 2549 &sonypi_compat.fifo_lock) == sizeof(c))) {
7b153f36 2550 if (put_user(c, buf++))
2551 return -EFAULT;
2552 ret++;
2553 }
2554
2555 if (ret > 0) {
2556 struct inode *inode = file->f_path.dentry->d_inode;
2557 inode->i_atime = current_fs_time(inode->i_sb);
2558 }
2559
2560 return ret;
2561}
2562
2563static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2564{
2565 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
45465487 2566 if (kfifo_len(&sonypi_compat.fifo))
7b153f36 2567 return POLLIN | POLLRDNORM;
2568 return 0;
2569}
2570
2571static int ec_read16(u8 addr, u16 *value)
2572{
2573 u8 val_lb, val_hb;
2574 if (ec_read(addr, &val_lb))
2575 return -1;
2576 if (ec_read(addr + 1, &val_hb))
2577 return -1;
2578 *value = val_lb | (val_hb << 8);
2579 return 0;
2580}
2581
2b24ef09
AC		 2582static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2583 unsigned long arg)
7b153f36 2584{
2585 int ret = 0;
2586 void __user *argp = (void __user *)arg;
2587 u8 val8;
2588 u16 val16;
2589 int value;
2590
9f9f0761 2591 mutex_lock(&spic_dev.lock);
7b153f36 2592 switch (cmd) {
2593 case SONYPI_IOCGBRT:
2594 if (sony_backlight_device == NULL) {
2595 ret = -EIO;
2596 break;
2597 }
2598 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2599 ret = -EIO;
2600 break;
2601 }
2602 val8 = ((value & 0xff) - 1) << 5;
2603 if (copy_to_user(argp, &val8, sizeof(val8)))
2604 ret = -EFAULT;
2605 break;
2606 case SONYPI_IOCSBRT:
2607 if (sony_backlight_device == NULL) {
2608 ret = -EIO;
2609 break;
2610 }
2611 if (copy_from_user(&val8, argp, sizeof(val8))) {
2612 ret = -EFAULT;
2613 break;
2614 }
2615 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2616 (val8 >> 5) + 1, NULL)) {
2617 ret = -EIO;
2618 break;
2619 }
2620 /* sync the backlight device status */
2621 sony_backlight_device->props.brightness =
2622 sony_backlight_get_brightness(sony_backlight_device);
2623 break;
2624 case SONYPI_IOCGBAT1CAP:
2625 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2626 ret = -EIO;
2627 break;
2628 }
2629 if (copy_to_user(argp, &val16, sizeof(val16)))
2630 ret = -EFAULT;
2631 break;
2632 case SONYPI_IOCGBAT1REM:
2633 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2634 ret = -EIO;
2635 break;
2636 }
2637 if (copy_to_user(argp, &val16, sizeof(val16)))
2638 ret = -EFAULT;
2639 break;
2640 case SONYPI_IOCGBAT2CAP:
2641 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2642 ret = -EIO;
2643 break;
2644 }
2645 if (copy_to_user(argp, &val16, sizeof(val16)))
2646 ret = -EFAULT;
2647 break;
2648 case SONYPI_IOCGBAT2REM:
2649 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2650 ret = -EIO;
2651 break;
2652 }
2653 if (copy_to_user(argp, &val16, sizeof(val16)))
2654 ret = -EFAULT;
2655 break;
2656 case SONYPI_IOCGBATFLAGS:
2657 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2658 ret = -EIO;
2659 break;
2660 }
2661 val8 &= 0x07;
2662 if (copy_to_user(argp, &val8, sizeof(val8)))
2663 ret = -EFAULT;
2664 break;
2665 case SONYPI_IOCGBLUE:
2666 val8 = spic_dev.bluetooth_power;
2667 if (copy_to_user(argp, &val8, sizeof(val8)))
2668 ret = -EFAULT;
2669 break;
2670 case SONYPI_IOCSBLUE:
2671 if (copy_from_user(&val8, argp, sizeof(val8))) {
2672 ret = -EFAULT;
2673 break;
2674 }
9f9f0761 2675 __sony_pic_set_bluetoothpower(val8);
7b153f36 2676 break;
2677 /* FAN Controls */
2678 case SONYPI_IOCGFAN:
2679 if (sony_pic_get_fanspeed(&val8)) {
2680 ret = -EIO;
2681 break;
2682 }
2683 if (copy_to_user(argp, &val8, sizeof(val8)))
2684 ret = -EFAULT;
2685 break;
2686 case SONYPI_IOCSFAN:
2687 if (copy_from_user(&val8, argp, sizeof(val8))) {
2688 ret = -EFAULT;
2689 break;
2690 }
2691 if (sony_pic_set_fanspeed(val8))
2692 ret = -EIO;
2693 break;
2694 /* GET Temperature (useful under APM) */
2695 case SONYPI_IOCGTEMP:
2696 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2697 ret = -EIO;
2698 break;
2699 }
2700 if (copy_to_user(argp, &val8, sizeof(val8)))
2701 ret = -EFAULT;
2702 break;
2703 default:
2704 ret = -EINVAL;
2705 }
9f9f0761 2706 mutex_unlock(&spic_dev.lock);
7b153f36 2707 return ret;
2708}
2709
2710static const struct file_operations sonypi_misc_fops = {
2711 .owner = THIS_MODULE,
2712 .read = sonypi_misc_read,
2713 .poll = sonypi_misc_poll,
2714 .open = sonypi_misc_open,
2715 .release = sonypi_misc_release,
2716 .fasync = sonypi_misc_fasync,
2b24ef09 2717 .unlocked_ioctl = sonypi_misc_ioctl,
6038f373 2718 .llseek = noop_llseek,
7b153f36 2719};
2720
2721static struct miscdevice sonypi_misc_device = {
2722 .minor = MISC_DYNAMIC_MINOR,
2723 .name = "sonypi",
2724 .fops = &sonypi_misc_fops,
2725};
2726
2727static void sonypi_compat_report_event(u8 event)
2728{
7acd72eb 2729 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
c1e13f25 2730 sizeof(event), &sonypi_compat.fifo_lock);
7b153f36 2731 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2732 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2733}
2734
2735static int sonypi_compat_init(void)
2736{
2737 int error;
2738
2739 spin_lock_init(&sonypi_compat.fifo_lock);
45465487 2740 error =
c1e13f25 2741 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
45465487 2742 if (error) {
d6697938 2743 pr_err(DRV_PFX "kfifo_alloc failed\n");
45465487 2744 return error;
7b153f36 2745 }
2746
2747 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
7b153f36 2748
2749 if (minor != -1)
2750 sonypi_misc_device.minor = minor;
2751 error = misc_register(&sonypi_misc_device);
2752 if (error) {
d6697938 2753 pr_err(DRV_PFX "misc_register failed\n");
7b153f36 2754 goto err_free_kfifo;
2755 }
2756 if (minor == -1)
d6697938 2757 pr_info(DRV_PFX "device allocated minor is %d\n",
7b153f36 2758 sonypi_misc_device.minor);
2759
2760 return 0;
2761
2762err_free_kfifo:
45465487 2763 kfifo_free(&sonypi_compat.fifo);
7b153f36 2764 return error;
2765}
2766
2767static void sonypi_compat_exit(void)
2768{
2769 misc_deregister(&sonypi_misc_device);
45465487 2770 kfifo_free(&sonypi_compat.fifo);
7b153f36 2771}
2772#else
2773static int sonypi_compat_init(void) { return 0; }
2774static void sonypi_compat_exit(void) { }
2775static void sonypi_compat_report_event(u8 event) { }
a64e62a0 2776#endif /* CONFIG_SONYPI_COMPAT */
7b153f36 2777
1549ee6f 2778/*
33a04454 2779 * ACPI callbacks
1549ee6f 2780 */
33a04454 2781static acpi_status
2782sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2783{
2784 u32 i;
2785 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2786
2787 switch (resource->type) {
2788 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
fd1caaed
MD		 2789 {
2790 /* start IO enumeration */
2791 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2792 if (!ioport)
2793 return AE_ERROR;
2794
2795 list_add(&ioport->list, &dev->ioports);
2796 return AE_OK;
2797 }
2798
33a04454 2799 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
fd1caaed 2800 /* end IO enumeration */
33a04454 2801 return AE_OK;
2802
2803 case ACPI_RESOURCE_TYPE_IRQ:
2804 {
2805 struct acpi_resource_irq *p = &resource->data.irq;
2806 struct sony_pic_irq *interrupt = NULL;
2807 if (!p || !p->interrupt_count) {
2808 /*
2809 * IRQ descriptors may have no IRQ# bits set,
2810 * particularly those those w/ _STA disabled
2811 */
2812 dprintk("Blank IRQ resource\n");
2813 return AE_OK;
2814 }
2815 for (i = 0; i < p->interrupt_count; i++) {
2816 if (!p->interrupts[i]) {
d6697938 2817 pr_warn(DRV_PFX "Invalid IRQ %d\n",
33a04454 2818 p->interrupts[i]);
2819 continue;
2820 }
2821 interrupt = kzalloc(sizeof(*interrupt),
2822 GFP_KERNEL);
2823 if (!interrupt)
2824 return AE_ERROR;
2825
fd1caaed 2826 list_add(&interrupt->list, &dev->interrupts);
33a04454 2827 interrupt->irq.triggering = p->triggering;
2828 interrupt->irq.polarity = p->polarity;
2829 interrupt->irq.sharable = p->sharable;
2830 interrupt->irq.interrupt_count = 1;
2831 interrupt->irq.interrupts[0] = p->interrupts[i];
2832 }
2833 return AE_OK;
2834 }
2835 case ACPI_RESOURCE_TYPE_IO:
2836 {
2837 struct acpi_resource_io *io = &resource->data.io;
fd1caaed
MD		 2838 struct sony_pic_ioport *ioport =
2839 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
33a04454 2840 if (!io) {
2841 dprintk("Blank IO resource\n");
2842 return AE_OK;
2843 }
2844
fd1caaed
MD		 2845 if (!ioport->io1.minimum) {
2846 memcpy(&ioport->io1, io, sizeof(*io));
2847 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2848 ioport->io1.address_length);
2849 }
2850 else if (!ioport->io2.minimum) {
2851 memcpy(&ioport->io2, io, sizeof(*io));
2852 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2853 ioport->io2.address_length);
2854 }
2855 else {
d6697938 2856 pr_err(DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
33a04454 2857 return AE_ERROR;
fd1caaed 2858 }
33a04454 2859 return AE_OK;
2860 }
2861 default:
2862 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2863 resource->type);
2864
2865 case ACPI_RESOURCE_TYPE_END_TAG:
2866 return AE_OK;
2867 }
2868 return AE_CTRL_TERMINATE;
2869}
2870
2871static int sony_pic_possible_resources(struct acpi_device *device)
2872{
2873 int result = 0;
2874 acpi_status status = AE_OK;
2875
2876 if (!device)
2877 return -EINVAL;
2878
2879 /* get device status */
2880 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2881 dprintk("Evaluating _STA\n");
2882 result = acpi_bus_get_status(device);
2883 if (result) {
d6697938 2884 pr_warn(DRV_PFX "Unable to read status\n");
33a04454 2885 goto end;
2886 }
2887
2888 if (!device->status.enabled)
2889 dprintk("Device disabled\n");
2890 else
2891 dprintk("Device enabled\n");
2892
2893 /*
2894 * Query and parse 'method'
2895 */
2896 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2897 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2898 sony_pic_read_possible_resource, &spic_dev);
2899 if (ACPI_FAILURE(status)) {
d6697938 2900 pr_warn(DRV_PFX "Failure evaluating %s\n",
33a04454 2901 METHOD_NAME__PRS);
2902 result = -ENODEV;
2903 }
2904end:
2905 return result;
2906}
2907
2908/*
2909 * Disable the spic device by calling its _DIS method
2910 */
2911static int sony_pic_disable(struct acpi_device *device)
2912{
6158d3a2
MG		 2913 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2914 NULL);
2915
2916 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
33a04454 2917 return -ENXIO;
2918
2919 dprintk("Device disabled\n");
2920 return 0;
2921}
2922
2923
2924/*
2925 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2926 *
2927 * Call _SRS to set current resources
2928 */
2929static int sony_pic_enable(struct acpi_device *device,
2930 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2931{
2932 acpi_status status;
2933 int result = 0;
fd1caaed
MD		 2934 /* Type 1 resource layout is:
2935 * IO
2936 * IO
2937 * IRQNoFlags
2938 * End
2939 *
2940 * Type 2 and 3 resource layout is:
2941 * IO
2942 * IRQNoFlags
2943 * End
2944 */
33a04454 2945 struct {
fd1caaed
MD		 2946 struct acpi_resource res1;
2947 struct acpi_resource res2;
2948 struct acpi_resource res3;
2949 struct acpi_resource res4;
33a04454 2950 } *resource;
2951 struct acpi_buffer buffer = { 0, NULL };
2952
2953 if (!ioport || !irq)
2954 return -EINVAL;
2955
2956 /* init acpi_buffer */
2957 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2958 if (!resource)
2959 return -ENOMEM;
2960
2961 buffer.length = sizeof(*resource) + 1;
2962 buffer.pointer = resource;
2963
fd1caaed 2964 /* setup Type 1 resources */
31df7144 2965 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
33a04454 2966
fd1caaed
MD		 2967 /* setup io resources */
2968 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2969 resource->res1.length = sizeof(struct acpi_resource);
2970 memcpy(&resource->res1.data.io, &ioport->io1,
2971 sizeof(struct acpi_resource_io));
33a04454 2972
fd1caaed
MD		 2973 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2974 resource->res2.length = sizeof(struct acpi_resource);
2975 memcpy(&resource->res2.data.io, &ioport->io2,
2976 sizeof(struct acpi_resource_io));
2977
2978 /* setup irq resource */
2979 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2980 resource->res3.length = sizeof(struct acpi_resource);
2981 memcpy(&resource->res3.data.irq, &irq->irq,
2982 sizeof(struct acpi_resource_irq));
2983 /* we requested a shared irq */
2984 resource->res3.data.irq.sharable = ACPI_SHARED;
2985
2986 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2987
2988 }
2989 /* setup Type 2/3 resources */
2990 else {
2991 /* setup io resource */
2992 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2993 resource->res1.length = sizeof(struct acpi_resource);
2994 memcpy(&resource->res1.data.io, &ioport->io1,
2995 sizeof(struct acpi_resource_io));
2996
2997 /* setup irq resource */
2998 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2999 resource->res2.length = sizeof(struct acpi_resource);
3000 memcpy(&resource->res2.data.irq, &irq->irq,
3001 sizeof(struct acpi_resource_irq));
3002 /* we requested a shared irq */
3003 resource->res2.data.irq.sharable = ACPI_SHARED;
3004
3005 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
3006 }
33a04454 3007
3008 /* Attempt to set the resource */
3009 dprintk("Evaluating _SRS\n");
3010 status = acpi_set_current_resources(device->handle, &buffer);
3011
3012 /* check for total failure */
3013 if (ACPI_FAILURE(status)) {
d6697938 3014 pr_err(DRV_PFX "Error evaluating _SRS\n");
33a04454 3015 result = -ENODEV;
3016 goto end;
3017 }
3018
3019 /* Necessary device initializations calls (from sonypi) */
3020 sony_pic_call1(0x82);
3021 sony_pic_call2(0x81, 0xff);
3022 sony_pic_call1(compat ? 0x92 : 0x82);
3023
3024end:
3025 kfree(resource);
3026 return result;
3027}
3028
3029/*****************
3030 *
3031 * ISR: some event is available
3032 *
3033 *****************/
3034static irqreturn_t sony_pic_irq(int irq, void *dev_id)
3035{
3036 int i, j;
33a04454 3037 u8 ev = 0;
3038 u8 data_mask = 0;
3039 u8 device_event = 0;
3040
3041 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
3042
fd1caaed
MD		 3043 ev = inb_p(dev->cur_ioport->io1.minimum);
3044 if (dev->cur_ioport->io2.minimum)
3045 data_mask = inb_p(dev->cur_ioport->io2.minimum);
3046 else
de920430 3047 data_mask = inb_p(dev->cur_ioport->io1.minimum +
31df7144 3048 dev->evport_offset);
33a04454 3049
22a17780 3050 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
de920430 3051 ev, data_mask, dev->cur_ioport->io1.minimum,
31df7144 3052 dev->evport_offset);
33a04454 3053
3054 if (ev == 0x00 || ev == 0xff)
3055 return IRQ_HANDLED;
3056
31df7144 3057 for (i = 0; dev->event_types[i].mask; i++) {
33a04454 3058
31df7144
MD		 3059 if ((data_mask & dev->event_types[i].data) !=
3060 dev->event_types[i].data)
33a04454 3061 continue;
3062
31df7144 3063 if (!(mask & dev->event_types[i].mask))
33a04454 3064 continue;
3065
31df7144
MD		 3066 for (j = 0; dev->event_types[i].events[j].event; j++) {
3067 if (ev == dev->event_types[i].events[j].data) {
33a04454 3068 device_event =
31df7144 3069 dev->event_types[i].events[j].event;
4eeb5022
MD		 3070 /* some events may require ignoring */
3071 if (!device_event)
3072 return IRQ_HANDLED;
33a04454 3073 goto found;
3074 }
3075 }
3076 }
3eb8749a
MD		 3077 /* Still not able to decode the event try to pass
3078 * it over to the minidriver
3079 */
31df7144 3080 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
3eb8749a
MD		 3081 return IRQ_HANDLED;
3082
de920430
MD		 3083 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3084 ev, data_mask, dev->cur_ioport->io1.minimum,
31df7144 3085 dev->evport_offset);
33a04454 3086 return IRQ_HANDLED;
3087
3088found:
1549ee6f 3089 sony_laptop_report_input_event(device_event);
de920430 3090 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
7b153f36 3091 sonypi_compat_report_event(device_event);
33a04454 3092 return IRQ_HANDLED;
3093}
3094
3095/*****************
3096 *
3097 * ACPI driver
3098 *
3099 *****************/
3100static int sony_pic_remove(struct acpi_device *device, int type)
3101{
3102 struct sony_pic_ioport *io, *tmp_io;
3103 struct sony_pic_irq *irq, *tmp_irq;
3104
3105 if (sony_pic_disable(device)) {
d6697938 3106 pr_err(DRV_PFX "Couldn't disable device.\n");
33a04454 3107 return -ENXIO;
3108 }
3109
3110 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
fd1caaed
MD		 3111 release_region(spic_dev.cur_ioport->io1.minimum,
3112 spic_dev.cur_ioport->io1.address_length);
3113 if (spic_dev.cur_ioport->io2.minimum)
3114 release_region(spic_dev.cur_ioport->io2.minimum,
3115 spic_dev.cur_ioport->io2.address_length);
33a04454 3116
015a916f
MD		 3117 sonypi_compat_exit();
3118
1549ee6f 3119 sony_laptop_remove_input();
33a04454 3120
49a11dea 3121 /* pf attrs */
3122 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3123 sony_pf_remove();
3124
33a04454 3125 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3126 list_del(&io->list);
3127 kfree(io);
3128 }
3129 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3130 list_del(&irq->list);
3131 kfree(irq);
3132 }
3133 spic_dev.cur_ioport = NULL;
3134 spic_dev.cur_irq = NULL;
3135
f6119b02 3136 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
33a04454 3137 return 0;
3138}
3139
3140static int sony_pic_add(struct acpi_device *device)
3141{
3142 int result;
3143 struct sony_pic_ioport *io, *tmp_io;
3144 struct sony_pic_irq *irq, *tmp_irq;
3145
d6697938
MD		 3146 pr_info(DRV_PFX "%s v%s.\n", SONY_PIC_DRIVER_NAME,
3147 SONY_LAPTOP_DRIVER_VERSION);
33a04454 3148
3149 spic_dev.acpi_dev = device;
3150 strcpy(acpi_device_class(device), "sony/hotkey");
de920430 3151 sony_pic_detect_device_type(&spic_dev);
9f9f0761 3152 mutex_init(&spic_dev.lock);
33a04454 3153
3154 /* read _PRS resources */
3155 result = sony_pic_possible_resources(device);
3156 if (result) {
d6697938 3157 pr_err(DRV_PFX "Unable to read possible resources.\n");
33a04454 3158 goto err_free_resources;
3159 }
3160
3161 /* setup input devices and helper fifo */
2e4d242c 3162 result = sony_laptop_setup_input(device);
33a04454 3163 if (result) {
d6697938 3164 pr_err(DRV_PFX "Unable to create input devices.\n");
33a04454 3165 goto err_free_resources;
3166 }
3167
015a916f
MD		 3168 if (sonypi_compat_init())
3169 goto err_remove_input;
3170
33a04454 3171 /* request io port */
fd1caaed
MD		 3172 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
3173 if (request_region(io->io1.minimum, io->io1.address_length,
c8440336 3174 "Sony Programmable I/O Device")) {
fd1caaed
MD		 3175 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
3176 io->io1.minimum, io->io1.maximum,
3177 io->io1.address_length);
3178 /* Type 1 have 2 ioports */
3179 if (io->io2.minimum) {
3180 if (request_region(io->io2.minimum,
3181 io->io2.address_length,
c8440336 3182 "Sony Programmable I/O Device")) {
fd1caaed
MD		 3183 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
3184 io->io2.minimum, io->io2.maximum,
3185 io->io2.address_length);
3186 spic_dev.cur_ioport = io;
3187 break;
3188 }
3189 else {
3190 dprintk("Unable to get I/O port2: "
3191 "0x%.4x (0x%.4x) + 0x%.2x\n",
3192 io->io2.minimum, io->io2.maximum,
3193 io->io2.address_length);
3194 release_region(io->io1.minimum,
3195 io->io1.address_length);
3196 }
3197 }
3198 else {
3199 spic_dev.cur_ioport = io;
3200 break;
3201 }
33a04454 3202 }
3203 }
3204 if (!spic_dev.cur_ioport) {
d6697938 3205 pr_err(DRV_PFX "Failed to request_region.\n");
33a04454 3206 result = -ENODEV;
015a916f 3207 goto err_remove_compat;
33a04454 3208 }
3209
3210 /* request IRQ */
fd1caaed 3211 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
33a04454 3212 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
d1e0de92 3213 IRQF_DISABLED, "sony-laptop", &spic_dev)) {
33a04454 3214 dprintk("IRQ: %d - triggering: %d - "
3215 "polarity: %d - shr: %d\n",
3216 irq->irq.interrupts[0],
3217 irq->irq.triggering,
3218 irq->irq.polarity,
3219 irq->irq.sharable);
3220 spic_dev.cur_irq = irq;
3221 break;
3222 }
3223 }
3224 if (!spic_dev.cur_irq) {
d6697938 3225 pr_err(DRV_PFX "Failed to request_irq.\n");
33a04454 3226 result = -ENODEV;
3227 goto err_release_region;
3228 }
3229
3230 /* set resource status _SRS */
3231 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3232 if (result) {
d6697938 3233 pr_err(DRV_PFX "Couldn't enable device.\n");
33a04454 3234 goto err_free_irq;
3235 }
3236
49a11dea 3237 spic_dev.bluetooth_power = -1;
3238 /* create device attributes */
3239 result = sony_pf_add();
3240 if (result)
3241 goto err_disable_device;
3242
3243 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3244 if (result)
3245 goto err_remove_pf;
3246
33a04454 3247 return 0;
3248
49a11dea 3249err_remove_pf:
3250 sony_pf_remove();
3251
3252err_disable_device:
3253 sony_pic_disable(device);
3254
33a04454 3255err_free_irq:
3256 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3257
3258err_release_region:
fd1caaed
MD		 3259 release_region(spic_dev.cur_ioport->io1.minimum,
3260 spic_dev.cur_ioport->io1.address_length);
3261 if (spic_dev.cur_ioport->io2.minimum)
3262 release_region(spic_dev.cur_ioport->io2.minimum,
3263 spic_dev.cur_ioport->io2.address_length);
33a04454 3264
015a916f
MD		 3265err_remove_compat:
3266 sonypi_compat_exit();
3267
33a04454 3268err_remove_input:
1549ee6f 3269 sony_laptop_remove_input();
33a04454 3270
3271err_free_resources:
3272 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3273 list_del(&io->list);
3274 kfree(io);
3275 }
3276 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3277 list_del(&irq->list);
3278 kfree(irq);
3279 }
3280 spic_dev.cur_ioport = NULL;
3281 spic_dev.cur_irq = NULL;
3282
3283 return result;
3284}
3285
3286static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
3287{
3288 if (sony_pic_disable(device))
3289 return -ENXIO;
3290 return 0;
3291}
3292
3293static int sony_pic_resume(struct acpi_device *device)
3294{
3295 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3296 return 0;
3297}
3298
1ba90e3a
TR		 3299static const struct acpi_device_id sony_pic_device_ids[] = {
3300 {SONY_PIC_HID, 0},
3301 {"", 0},
3302};
3303
33a04454 3304static struct acpi_driver sony_pic_driver = {
3305 .name = SONY_PIC_DRIVER_NAME,
3306 .class = SONY_PIC_CLASS,
1ba90e3a 3307 .ids = sony_pic_device_ids,
33a04454 3308 .owner = THIS_MODULE,
3309 .ops = {
3310 .add = sony_pic_add,
3311 .remove = sony_pic_remove,
3312 .suspend = sony_pic_suspend,
3313 .resume = sony_pic_resume,
3314 },
3315};
3316
3317static struct dmi_system_id __initdata sonypi_dmi_table[] = {
3318 {
3319 .ident = "Sony Vaio",
3320 .matches = {
3321 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3322 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
3323 },
3324 },
3325 {
3326 .ident = "Sony Vaio",
3327 .matches = {
3328 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3329 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
3330 },
3331 },
3332 { }
3333};
3334
59b19106 3335static int __init sony_laptop_init(void)
7f09c432 3336{
33a04454 3337 int result;
3338
3339 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
3340 result = acpi_bus_register_driver(&sony_pic_driver);
3341 if (result) {
d6697938 3342 pr_err(DRV_PFX "Unable to register SPIC driver.");
33a04454 3343 goto out;
3344 }
5e6f9725 3345 spic_drv_registered = 1;
33a04454 3346 }
3347
3348 result = acpi_bus_register_driver(&sony_nc_driver);
3349 if (result) {
d6697938 3350 pr_err(DRV_PFX "Unable to register SNC driver.");
33a04454 3351 goto out_unregister_pic;
3352 }
3353
3354 return 0;
3355
3356out_unregister_pic:
5e6f9725 3357 if (spic_drv_registered)
33a04454 3358 acpi_bus_unregister_driver(&sony_pic_driver);
3359out:
3360 return result;
7f09c432
SP		 3361}
3362
59b19106 3363static void __exit sony_laptop_exit(void)
7f09c432 3364{
59b19106 3365 acpi_bus_unregister_driver(&sony_nc_driver);
5e6f9725 3366 if (spic_drv_registered)
33a04454 3367 acpi_bus_unregister_driver(&sony_pic_driver);
7f09c432
SP		 3368}
3369
59b19106 3370module_init(sony_laptop_init);
3371module_exit(sony_laptop_exit);
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