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