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[mirror_ubuntu-bionic-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
50f581a4
JP		 45#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
46
7f09c432
SP		 47#include <linux/kernel.h>
48#include <linux/module.h>
49#include <linux/moduleparam.h>
50#include <linux/init.h>
51#include <linux/types.h>
50f62afb 52#include <linux/backlight.h>
ed3aa4b7 53#include <linux/platform_device.h>
50f62afb 54#include <linux/err.h>
33a04454 55#include <linux/dmi.h>
56#include <linux/pci.h>
57#include <linux/interrupt.h>
58#include <linux/delay.h>
59#include <linux/input.h>
60#include <linux/kfifo.h>
61#include <linux/workqueue.h>
62#include <linux/acpi.h>
5a0e3ad6 63#include <linux/slab.h>
7f09c432
SP		 64#include <acpi/acpi_drivers.h>
65#include <acpi/acpi_bus.h>
66#include <asm/uaccess.h>
33a04454 67#include <linux/sonypi.h>
1ce82c14 68#include <linux/sony-laptop.h>
6cc056bc 69#include <linux/rfkill.h>
a64e62a0 70#ifdef CONFIG_SONYPI_COMPAT
7b153f36 71#include <linux/poll.h>
72#include <linux/miscdevice.h>
73#endif
7f09c432 74
50f581a4
JP		 75#define dprintk(fmt, ...) \
76do { \
77 if (debug) \
78 pr_warn(fmt, ##__VA_ARGS__); \
b9a218b7 79} while (0)
80
425ef5d7 81#define SONY_LAPTOP_DRIVER_VERSION "0.6"
33a04454 82
83#define SONY_NC_CLASS "sony-nc"
59b19106 84#define SONY_NC_HID "SNY5001"
f6119b02 85#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
50f62afb 86
33a04454 87#define SONY_PIC_CLASS "sony-pic"
88#define SONY_PIC_HID "SNY6001"
f6119b02 89#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
7f09c432 90
ed3aa4b7 91MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
33a04454 92MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
7f09c432 93MODULE_LICENSE("GPL");
33a04454 94MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
7f09c432
SP		 95
96static int debug;
97module_param(debug, int, 0);
98MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
a02d1c1d 99 "the development of this driver");
7f09c432 100
33a04454 101static int no_spic; /* = 0 */
102module_param(no_spic, int, 0444);
103MODULE_PARM_DESC(no_spic,
104 "set this if you don't want to enable the SPIC device");
105
106static int compat; /* = 0 */
107module_param(compat, int, 0444);
108MODULE_PARM_DESC(compat,
7b153f36 109 "set this if you want to enable backward compatibility mode");
33a04454 110
111static unsigned long mask = 0xffffffff;
112module_param(mask, ulong, 0644);
113MODULE_PARM_DESC(mask,
114 "set this to the mask of event you want to enable (see doc)");
115
5f3d2898 116static int camera; /* = 0 */
117module_param(camera, int, 0444);
118MODULE_PARM_DESC(camera,
119 "set this to 1 to enable Motion Eye camera controls "
120 "(only use it if you have a C1VE or C1VN model)");
121
a64e62a0 122#ifdef CONFIG_SONYPI_COMPAT
7b153f36 123static int minor = -1;
124module_param(minor, int, 0);
125MODULE_PARM_DESC(minor,
126 "minor number of the misc device for the SPIC compatibility code, "
127 "default is -1 (automatic)");
128#endif
129
6fe6ae56 130static int kbd_backlight = 1;
bf155714
MD		 131module_param(kbd_backlight, int, 0444);
132MODULE_PARM_DESC(kbd_backlight,
133 "set this to 0 to disable keyboard backlight, "
134 "1 to enable it (default: 0)");
135
136static int kbd_backlight_timeout; /* = 0 */
137module_param(kbd_backlight_timeout, int, 0444);
138MODULE_PARM_DESC(kbd_backlight_timeout,
139 "set this to 0 to set the default 10 seconds timeout, "
140 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
141 "(default: 0)");
142
3567a4e2 143#ifdef CONFIG_PM_SLEEP
df410d52 144static void sony_nc_kbd_backlight_resume(void);
3567a4e2
RW		 145static void sony_nc_thermal_resume(void);
146#endif
aa33924f
MC		 147static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
148 unsigned int handle);
149static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
df410d52 150
967145a0
MC		 151static int sony_nc_battery_care_setup(struct platform_device *pd,
152 unsigned int handle);
153static void sony_nc_battery_care_cleanup(struct platform_device *pd);
154
49f000ad
MC		 155static int sony_nc_thermal_setup(struct platform_device *pd);
156static void sony_nc_thermal_cleanup(struct platform_device *pd);
49f000ad 157
54535d08
MC		 158static int sony_nc_lid_resume_setup(struct platform_device *pd);
159static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
160
3a7abcd8
MD		 161static int sony_nc_gfx_switch_setup(struct platform_device *pd,
162 unsigned int handle);
163static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
164static int __sony_nc_gfx_switch_status_get(void);
165
88bf1706
MC		 166static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
167static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
168
2b8791c4
MC		 169static int sony_nc_touchpad_setup(struct platform_device *pd,
170 unsigned int handle);
171static void sony_nc_touchpad_cleanup(struct platform_device *pd);
172
6cc056bc
MG		 173enum sony_nc_rfkill {
174 SONY_WIFI,
175 SONY_BLUETOOTH,
176 SONY_WWAN,
177 SONY_WIMAX,
19d337df 178 N_SONY_RFKILL,
6cc056bc
MG		 179};
180
d5a664a3 181static int sony_rfkill_handle;
19d337df
JB		 182static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
183static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
a1e73632
MC		 184static int sony_nc_rfkill_setup(struct acpi_device *device,
185 unsigned int handle);
5fe801a7 186static void sony_nc_rfkill_cleanup(void);
6cc056bc
MG		 187static void sony_nc_rfkill_update(void);
188
1549ee6f 189/*********** Input Devices ***********/
190
191#define SONY_LAPTOP_BUF_SIZE 128
192struct sony_laptop_input_s {
193 atomic_t users;
194 struct input_dev *jog_dev;
195 struct input_dev *key_dev;
45465487 196 struct kfifo fifo;
1549ee6f 197 spinlock_t fifo_lock;
cffdde99 198 struct timer_list release_key_timer;
1549ee6f 199};
6cc056bc 200
1549ee6f 201static struct sony_laptop_input_s sony_laptop_input = {
202 .users = ATOMIC_INIT(0),
203};
204
205struct sony_laptop_keypress {
206 struct input_dev *dev;
207 int key;
208};
209
bc57f865
MD		 210/* Correspondance table between sonypi events
211 * and input layer indexes in the keymap
212 */
213static int sony_laptop_input_index[] = {
3eb8749a
MD		 214 -1, /* 0 no event */
215 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
216 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
217 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
218 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
219 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
220 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
221 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
222 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
223 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
224 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
225 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
226 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
227 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
228 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
229 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
230 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
231 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
232 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
233 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
234 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
235 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
236 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
237 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
238 17, /* 24 SONYPI_EVENT_FNKEY_1 */
239 18, /* 25 SONYPI_EVENT_FNKEY_2 */
240 19, /* 26 SONYPI_EVENT_FNKEY_D */
241 20, /* 27 SONYPI_EVENT_FNKEY_E */
242 21, /* 28 SONYPI_EVENT_FNKEY_F */
243 22, /* 29 SONYPI_EVENT_FNKEY_S */
244 23, /* 30 SONYPI_EVENT_FNKEY_B */
245 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
246 25, /* 32 SONYPI_EVENT_PKEY_P1 */
247 26, /* 33 SONYPI_EVENT_PKEY_P2 */
248 27, /* 34 SONYPI_EVENT_PKEY_P3 */
249 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
250 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
251 -1, /* 37 SONYPI_EVENT_LID_OPENED */
252 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
253 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
254 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
255 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
256 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
257 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
258 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
259 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
260 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
261 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
262 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
263 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
264 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
265 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
266 43, /* 52 SONYPI_EVENT_MEYE_FACE */
267 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
268 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
269 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
270 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
271 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
272 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
273 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
274 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
275 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
276 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
277 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
9b57896e 278 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
45c7942b
MG		 279 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
280 53, /* 66 SONYPI_EVENT_PKEY_P4 */
281 54, /* 67 SONYPI_EVENT_PKEY_P5 */
282 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
1cae7103
HJ		 283 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
284 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
285 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
4f924ba5 286 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
1a7d9469 287 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
bc57f865
MD		 288};
289
290static int sony_laptop_input_keycode_map[] = {
291 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
292 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
293 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
294 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
295 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
296 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
297 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
298 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
299 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
300 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
301 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
302 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
303 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
304 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
305 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
306 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
307 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
308 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
309 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
310 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
311 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
312 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
313 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
314 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
315 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
316 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
317 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
318 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
319 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
320 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
321 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
322 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
323 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
324 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
325 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
326 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
327 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
328 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
329 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
330 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
331 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
332 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
333 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
334 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
335 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
336 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
337 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
338 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
339 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
3eb8749a 340 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
9b57896e 341 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
45c7942b
MG		 342 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
343 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
344 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
345 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
346 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
1cae7103
HJ		 347 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
348 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
4f924ba5 349 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
1a7d9469 350 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
1549ee6f 351};
352
353/* release buttons after a short delay if pressed */
cffdde99 354static void do_sony_laptop_release_key(unsigned long unused)
1549ee6f 355{
356 struct sony_laptop_keypress kp;
9593bd07 357 unsigned long flags;
1549ee6f 358
9593bd07
DT		 359 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
360
361 if (kfifo_out(&sony_laptop_input.fifo,
362 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
1549ee6f 363 input_report_key(kp.dev, kp.key, 0);
364 input_sync(kp.dev);
365 }
9593bd07
DT		 366
367 /* If there is something in the fifo schedule next release. */
368 if (kfifo_len(&sony_laptop_input.fifo) != 0)
cffdde99
DT		 369 mod_timer(&sony_laptop_input.release_key_timer,
370 jiffies + msecs_to_jiffies(10));
9593bd07
DT		 371
372 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
1549ee6f 373}
1549ee6f 374
3a4fa0a2 375/* forward event to the input subsystem */
1549ee6f 376static void sony_laptop_report_input_event(u8 event)
377{
378 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
379 struct input_dev *key_dev = sony_laptop_input.key_dev;
380 struct sony_laptop_keypress kp = { NULL };
747a562f 381 int scancode = -1;
1549ee6f 382
a83021a2
AT		 383 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
384 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
1549ee6f 385 /* Nothing, not all VAIOs generate this event */
386 return;
387 }
388
389 /* report events */
390 switch (event) {
391 /* jog_dev events */
392 case SONYPI_EVENT_JOGDIAL_UP:
393 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
394 input_report_rel(jog_dev, REL_WHEEL, 1);
395 input_sync(jog_dev);
396 return;
397
398 case SONYPI_EVENT_JOGDIAL_DOWN:
399 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
400 input_report_rel(jog_dev, REL_WHEEL, -1);
401 input_sync(jog_dev);
402 return;
403
404 /* key_dev events */
405 case SONYPI_EVENT_JOGDIAL_PRESSED:
406 kp.key = BTN_MIDDLE;
407 kp.dev = jog_dev;
408 break;
409
410 default:
d399d130 411 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
bc57f865
MD		 412 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
413 break;
414 }
747a562f
JH		 415 if ((scancode = sony_laptop_input_index[event]) != -1) {
416 kp.key = sony_laptop_input_keycode_map[scancode];
bc57f865 417 if (kp.key != KEY_UNKNOWN)
1549ee6f 418 kp.dev = key_dev;
bc57f865 419 }
1549ee6f 420 break;
421 }
422
423 if (kp.dev) {
747a562f
JH		 424 /* if we have a scancode we emit it so we can always
425 remap the key */
426 if (scancode != -1)
427 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
1549ee6f 428 input_report_key(kp.dev, kp.key, 1);
429 input_sync(kp.dev);
1549ee6f 430
9593bd07
DT		 431 /* schedule key release */
432 kfifo_in_locked(&sony_laptop_input.fifo,
433 (unsigned char *)&kp, sizeof(kp),
434 &sony_laptop_input.fifo_lock);
cffdde99
DT		 435 mod_timer(&sony_laptop_input.release_key_timer,
436 jiffies + msecs_to_jiffies(10));
1549ee6f 437 } else
438 dprintk("unknown input event %.2x\n", event);
439}
440
2e4d242c 441static int sony_laptop_setup_input(struct acpi_device *acpi_device)
1549ee6f 442{
443 struct input_dev *jog_dev;
444 struct input_dev *key_dev;
445 int i;
446 int error;
447
448 /* don't run again if already initialized */
449 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
450 return 0;
451
452 /* kfifo */
453 spin_lock_init(&sony_laptop_input.fifo_lock);
9593bd07
DT		 454 error = kfifo_alloc(&sony_laptop_input.fifo,
455 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
45465487 456 if (error) {
50f581a4 457 pr_err("kfifo_alloc failed\n");
1549ee6f 458 goto err_dec_users;
459 }
460
cffdde99
DT		 461 setup_timer(&sony_laptop_input.release_key_timer,
462 do_sony_laptop_release_key, 0);
1549ee6f 463
464 /* input keys */
465 key_dev = input_allocate_device();
466 if (!key_dev) {
467 error = -ENOMEM;
9593bd07 468 goto err_free_kfifo;
1549ee6f 469 }
470
471 key_dev->name = "Sony Vaio Keys";
472 key_dev->id.bustype = BUS_ISA;
473 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
2e4d242c 474 key_dev->dev.parent = &acpi_device->dev;
1549ee6f 475
476 /* Initialize the Input Drivers: special keys */
c45bc9d6
DT		 477 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
478
479 __set_bit(EV_KEY, key_dev->evbit);
bc57f865
MD		 480 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
481 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
482 key_dev->keycode = &sony_laptop_input_keycode_map;
c45bc9d6
DT		 483 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
484 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
485 __clear_bit(KEY_RESERVED, key_dev->keybit);
1549ee6f 486
487 error = input_register_device(key_dev);
488 if (error)
489 goto err_free_keydev;
490
491 sony_laptop_input.key_dev = key_dev;
492
493 /* jogdial */
494 jog_dev = input_allocate_device();
495 if (!jog_dev) {
496 error = -ENOMEM;
497 goto err_unregister_keydev;
498 }
499
500 jog_dev->name = "Sony Vaio Jogdial";
501 jog_dev->id.bustype = BUS_ISA;
502 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
747a562f 503 jog_dev->dev.parent = &acpi_device->dev;
1549ee6f 504
c45bc9d6
DT		 505 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
506 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
1549ee6f 507
508 error = input_register_device(jog_dev);
509 if (error)
510 goto err_free_jogdev;
511
512 sony_laptop_input.jog_dev = jog_dev;
513
514 return 0;
515
516err_free_jogdev:
517 input_free_device(jog_dev);
518
519err_unregister_keydev:
520 input_unregister_device(key_dev);
521 /* to avoid kref underflow below at input_free_device */
522 key_dev = NULL;
523
524err_free_keydev:
525 input_free_device(key_dev);
526
1549ee6f 527err_free_kfifo:
45465487 528 kfifo_free(&sony_laptop_input.fifo);
1549ee6f 529
530err_dec_users:
531 atomic_dec(&sony_laptop_input.users);
532 return error;
533}
534
535static void sony_laptop_remove_input(void)
536{
9593bd07
DT		 537 struct sony_laptop_keypress kp = { NULL };
538
539 /* Cleanup only after the last user has gone */
1549ee6f 540 if (!atomic_dec_and_test(&sony_laptop_input.users))
541 return;
542
cffdde99 543 del_timer_sync(&sony_laptop_input.release_key_timer);
9593bd07
DT		 544
545 /*
546 * Generate key-up events for remaining keys. Note that we don't
547 * need locking since nobody is adding new events to the kfifo.
548 */
549 while (kfifo_out(&sony_laptop_input.fifo,
550 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
551 input_report_key(kp.dev, kp.key, 0);
552 input_sync(kp.dev);
553 }
1549ee6f 554
555 /* destroy input devs */
556 input_unregister_device(sony_laptop_input.key_dev);
557 sony_laptop_input.key_dev = NULL;
558
559 if (sony_laptop_input.jog_dev) {
560 input_unregister_device(sony_laptop_input.jog_dev);
561 sony_laptop_input.jog_dev = NULL;
562 }
563
45465487 564 kfifo_free(&sony_laptop_input.fifo);
1549ee6f 565}
566
56b8756b 567/*********** Platform Device ***********/
568
569static atomic_t sony_pf_users = ATOMIC_INIT(0);
570static struct platform_driver sony_pf_driver = {
571 .driver = {
572 .name = "sony-laptop",
573 .owner = THIS_MODULE,
574 }
575};
576static struct platform_device *sony_pf_device;
577
578static int sony_pf_add(void)
579{
580 int ret = 0;
581
582 /* don't run again if already initialized */
583 if (atomic_add_return(1, &sony_pf_users) > 1)
584 return 0;
585
586 ret = platform_driver_register(&sony_pf_driver);
587 if (ret)
588 goto out;
589
590 sony_pf_device = platform_device_alloc("sony-laptop", -1);
591 if (!sony_pf_device) {
592 ret = -ENOMEM;
593 goto out_platform_registered;
594 }
595
596 ret = platform_device_add(sony_pf_device);
597 if (ret)
598 goto out_platform_alloced;
599
600 return 0;
601
602 out_platform_alloced:
603 platform_device_put(sony_pf_device);
604 sony_pf_device = NULL;
605 out_platform_registered:
606 platform_driver_unregister(&sony_pf_driver);
607 out:
608 atomic_dec(&sony_pf_users);
609 return ret;
610}
611
612static void sony_pf_remove(void)
613{
614 /* deregister only after the last user has gone */
615 if (!atomic_dec_and_test(&sony_pf_users))
616 return;
617
08db2b31 618 platform_device_unregister(sony_pf_device);
56b8756b 619 platform_driver_unregister(&sony_pf_driver);
620}
621
622/*********** SNC (SNY5001) Device ***********/
623
33a04454 624/* the device uses 1-based values, while the backlight subsystem uses
625 0-based values */
626#define SONY_MAX_BRIGHTNESS 8
627
628#define SNC_VALIDATE_IN 0
629#define SNC_VALIDATE_OUT 1
630
59b19106 631static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
a02d1c1d 632 char *);
59b19106 633static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
a02d1c1d 634 const char *, size_t);
156c221b
MD		 635static int boolean_validate(const int, const int);
636static int brightness_default_validate(const int, const int);
637
59b19106 638struct sony_nc_value {
a02d1c1d
LB		 639 char *name; /* name of the entry */
640 char **acpiget; /* names of the ACPI get function */
641 char **acpiset; /* names of the ACPI set function */
156c221b 642 int (*validate)(const int, const int); /* input/output validation */
a02d1c1d
LB		 643 int value; /* current setting */
644 int valid; /* Has ever been set */
645 int debug; /* active only in debug mode ? */
c8440336 646 struct device_attribute devattr; /* sysfs attribute */
ed3aa4b7
MD		 647};
648
59b19106 649#define SNC_HANDLE_NAMES(_name, _values...) \
ed3aa4b7
MD		 650 static char *snc_##_name[] = { _values, NULL }
651
59b19106 652#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
ed3aa4b7
MD		 653 { \
654 .name = __stringify(_name), \
655 .acpiget = _getters, \
656 .acpiset = _setters, \
156c221b 657 .validate = _validate, \
ed3aa4b7 658 .debug = _debug, \
59b19106 659 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
7f09c432 660 }
ed3aa4b7 661
59b19106 662#define SNC_HANDLE_NULL { .name = NULL }
ed3aa4b7 663
59b19106 664SNC_HANDLE_NAMES(fnkey_get, "GHKE");
ed3aa4b7 665
59b19106 666SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
667SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
ed3aa4b7 668
59b19106 669SNC_HANDLE_NAMES(cdpower_get, "GCDP");
670SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
ed3aa4b7 671
59b19106 672SNC_HANDLE_NAMES(audiopower_get, "GAZP");
673SNC_HANDLE_NAMES(audiopower_set, "AZPW");
ed3aa4b7 674
59b19106 675SNC_HANDLE_NAMES(lanpower_get, "GLNP");
676SNC_HANDLE_NAMES(lanpower_set, "LNPW");
ed3aa4b7 677
044847e0
MD		 678SNC_HANDLE_NAMES(lidstate_get, "GLID");
679
680SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
681SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
682
683SNC_HANDLE_NAMES(gainbass_get, "GMGB");
684SNC_HANDLE_NAMES(gainbass_set, "CMGB");
685
59b19106 686SNC_HANDLE_NAMES(PID_get, "GPID");
ed3aa4b7 687
59b19106 688SNC_HANDLE_NAMES(CTR_get, "GCTR");
689SNC_HANDLE_NAMES(CTR_set, "SCTR");
ed3aa4b7 690
59b19106 691SNC_HANDLE_NAMES(PCR_get, "GPCR");
692SNC_HANDLE_NAMES(PCR_set, "SPCR");
ed3aa4b7 693
59b19106 694SNC_HANDLE_NAMES(CMI_get, "GCMI");
695SNC_HANDLE_NAMES(CMI_set, "SCMI");
ed3aa4b7 696
59b19106 697static struct sony_nc_value sony_nc_values[] = {
698 SNC_HANDLE(brightness_default, snc_brightness_def_get,
156c221b 699 snc_brightness_def_set, brightness_default_validate, 0),
59b19106 700 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
701 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
702 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
156c221b 703 boolean_validate, 0),
59b19106 704 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
156c221b 705 boolean_validate, 1),
044847e0
MD		 706 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
707 boolean_validate, 0),
708 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
709 boolean_validate, 0),
710 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
711 boolean_validate, 0),
ed3aa4b7 712 /* unknown methods */
59b19106 713 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
714 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
715 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
716 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
717 SNC_HANDLE_NULL
7f09c432
SP		 718};
719
59b19106 720static acpi_handle sony_nc_acpi_handle;
721static struct acpi_device *sony_nc_acpi_device = NULL;
ed3aa4b7 722
d78865cd
MD		 723/*
724 * acpi_evaluate_object wrappers
ebcef1b0
MD		 725 * all useful calls into SNC methods take one or zero parameters and return
726 * integers or arrays.
d78865cd 727 */
ebcef1b0
MD		 728static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
729 u64 *value)
7f09c432 730{
ebcef1b0
MD		 731 union acpi_object *result = NULL;
732 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
7f09c432
SP		 733 acpi_status status;
734
ebcef1b0
MD		 735 if (value) {
736 struct acpi_object_list params;
737 union acpi_object in;
738 in.type = ACPI_TYPE_INTEGER;
739 in.integer.value = *value;
740 params.count = 1;
741 params.pointer = &in;
742 status = acpi_evaluate_object(handle, method, &params, &output);
ae188715
MD		 743 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
744 (unsigned int)(*value >> 32),
745 (unsigned int)*value & 0xffffffff);
746 } else {
ebcef1b0 747 status = acpi_evaluate_object(handle, method, NULL, &output);
ae188715
MD		 748 dprintk("__call_snc_method: [%s]\n", method);
749 }
7f09c432 750
ebcef1b0
MD		 751 if (ACPI_FAILURE(status)) {
752 pr_err("Failed to evaluate [%s]\n", method);
753 return NULL;
7f09c432
SP		 754 }
755
ebcef1b0
MD		 756 result = (union acpi_object *) output.pointer;
757 if (!result)
758 dprintk("No return object [%s]\n", method);
7f09c432 759
ebcef1b0 760 return result;
7f09c432
SP		 761}
762
ebcef1b0
MD		 763static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
764 int *result)
7f09c432 765{
ebcef1b0
MD		 766 union acpi_object *object = NULL;
767 if (value) {
768 u64 v = *value;
769 object = __call_snc_method(handle, name, &v);
770 } else
771 object = __call_snc_method(handle, name, NULL);
7f09c432 772
ebcef1b0
MD		 773 if (!object)
774 return -EINVAL;
7f09c432 775
ebcef1b0
MD		 776 if (object->type != ACPI_TYPE_INTEGER) {
777 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
778 ACPI_TYPE_INTEGER, object->type);
779 kfree(object);
780 return -EINVAL;
7f09c432
SP		 781 }
782
ebcef1b0
MD		 783 if (result)
784 *result = object->integer.value;
7f09c432 785
ebcef1b0
MD		 786 kfree(object);
787 return 0;
788}
789
790#define MIN(a, b) (a > b ? b : a)
791static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
792 void *buffer, size_t buflen)
793{
dcbeec26 794 int ret = 0;
ebcef1b0
MD		 795 size_t len = len;
796 union acpi_object *object = __call_snc_method(handle, name, value);
797
798 if (!object)
799 return -EINVAL;
800
dcbeec26 801 if (object->type == ACPI_TYPE_BUFFER) {
ebcef1b0 802 len = MIN(buflen, object->buffer.length);
dcbeec26 803 memcpy(buffer, object->buffer.pointer, len);
ebcef1b0 804
dcbeec26 805 } else if (object->type == ACPI_TYPE_INTEGER) {
ebcef1b0 806 len = MIN(buflen, sizeof(object->integer.value));
dcbeec26 807 memcpy(buffer, &object->integer.value, len);
ebcef1b0 808
dcbeec26 809 } else {
ebcef1b0
MD		 810 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
811 ACPI_TYPE_BUFFER, object->type);
dcbeec26 812 ret = -EINVAL;
ebcef1b0
MD		 813 }
814
ebcef1b0 815 kfree(object);
dcbeec26 816 return ret;
7f09c432
SP		 817}
818
2a4f0c81
MD		 819struct sony_nc_handles {
820 u16 cap[0x10];
821 struct device_attribute devattr;
822};
823
f11113b2 824static struct sony_nc_handles *handles;
2a4f0c81
MD		 825
826static ssize_t sony_nc_handles_show(struct device *dev,
827 struct device_attribute *attr, char *buffer)
828{
829 ssize_t len = 0;
830 int i;
831
832 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
833 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
834 handles->cap[i]);
835 }
836 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
837
838 return len;
839}
840
841static int sony_nc_handles_setup(struct platform_device *pd)
badf26f0 842{
ebcef1b0 843 int i, r, result, arg;
badf26f0 844
2a4f0c81 845 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
31f00759
DC		 846 if (!handles)
847 return -ENOMEM;
2a4f0c81 848
2a4f0c81 849 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
ebcef1b0
MD		 850 arg = i + 0x20;
851 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
852 &result);
853 if (!r) {
2a4f0c81
MD		 854 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
855 result, i);
856 handles->cap[i] = result;
56e6e716 857 }
badf26f0
MG		 858 }
859
855b8bc9
MD		 860 if (debug) {
861 sysfs_attr_init(&handles->devattr.attr);
862 handles->devattr.attr.name = "handles";
863 handles->devattr.attr.mode = S_IRUGO;
864 handles->devattr.show = sony_nc_handles_show;
865
866 /* allow reading capabilities via sysfs */
867 if (device_create_file(&pd->dev, &handles->devattr)) {
868 kfree(handles);
869 handles = NULL;
870 return -1;
871 }
2a4f0c81
MD		 872 }
873
874 return 0;
875}
876
877static int sony_nc_handles_cleanup(struct platform_device *pd)
878{
879 if (handles) {
855b8bc9
MD		 880 if (debug)
881 device_remove_file(&pd->dev, &handles->devattr);
2a4f0c81
MD		 882 kfree(handles);
883 handles = NULL;
884 }
885 return 0;
886}
887
888static int sony_find_snc_handle(int handle)
889{
890 int i;
fef34861
MD		 891
892 /* not initialized yet, return early */
bab7084c
MD		 893 if (!handles || !handle)
894 return -EINVAL;
fef34861 895
2a4f0c81
MD		 896 for (i = 0; i < 0x10; i++) {
897 if (handles->cap[i] == handle) {
898 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
899 handle, i);
900 return i;
901 }
902 }
56e6e716 903 dprintk("handle 0x%.4x not found\n", handle);
bab7084c 904 return -EINVAL;
badf26f0
MG		 905}
906
907static int sony_call_snc_handle(int handle, int argument, int *result)
908{
ebcef1b0 909 int arg, ret = 0;
badf26f0
MG		 910 int offset = sony_find_snc_handle(handle);
911
912 if (offset < 0)
bab7084c 913 return offset;
badf26f0 914
ebcef1b0
MD		 915 arg = offset | argument;
916 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
917 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
56e6e716 918 return ret;
badf26f0
MG		 919}
920
156c221b 921/*
59b19106 922 * sony_nc_values input/output validate functions
156c221b
MD		 923 */
924
925/* brightness_default_validate:
926 *
927 * manipulate input output values to keep consistency with the
928 * backlight framework for which brightness values are 0-based.
929 */
930static int brightness_default_validate(const int direction, const int value)
931{
932 switch (direction) {
933 case SNC_VALIDATE_OUT:
934 return value - 1;
935 case SNC_VALIDATE_IN:
936 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
937 return value + 1;
938 }
939 return -EINVAL;
940}
941
942/* boolean_validate:
943 *
944 * on input validate boolean values 0/1, on output just pass the
945 * received value.
946 */
947static int boolean_validate(const int direction, const int value)
948{
949 if (direction == SNC_VALIDATE_IN) {
950 if (value != 0 && value != 1)
951 return -EINVAL;
952 }
953 return value;
954}
955
ed3aa4b7 956/*
59b19106 957 * Sysfs show/store common to all sony_nc_values
ed3aa4b7 958 */
59b19106 959static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
a02d1c1d 960 char *buffer)
7f09c432 961{
ebcef1b0 962 int value, ret = 0;
59b19106 963 struct sony_nc_value *item =
964 container_of(attr, struct sony_nc_value, devattr);
7f09c432 965
ed3aa4b7 966 if (!*item->acpiget)
7f09c432
SP		 967 return -EIO;
968
ebcef1b0
MD		 969 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
970 &value);
971 if (ret < 0)
7f09c432
SP		 972 return -EIO;
973
156c221b
MD		 974 if (item->validate)
975 value = item->validate(SNC_VALIDATE_OUT, value);
976
ed3aa4b7 977 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
7f09c432
SP		 978}
979
59b19106 980static ssize_t sony_nc_sysfs_store(struct device *dev,
a02d1c1d
LB		 981 struct device_attribute *attr,
982 const char *buffer, size_t count)
7f09c432 983{
c7a29183 984 int value;
9e123379 985 int ret = 0;
59b19106 986 struct sony_nc_value *item =
987 container_of(attr, struct sony_nc_value, devattr);
7f09c432
SP		 988
989 if (!item->acpiset)
990 return -EIO;
991
ed3aa4b7
MD		 992 if (count > 31)
993 return -EINVAL;
994
c7a29183 995 if (kstrtoint(buffer, 10, &value))
9e123379 996 return -EINVAL;
7f09c432 997
156c221b
MD		 998 if (item->validate)
999 value = item->validate(SNC_VALIDATE_IN, value);
1000
1001 if (value < 0)
1002 return value;
7f09c432 1003
9e123379 1004 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
c7a29183 1005 &value, NULL);
ebcef1b0 1006 if (ret < 0)
7f09c432 1007 return -EIO;
ebcef1b0 1008
3f4f461f
AM		 1009 item->value = value;
1010 item->valid = 1;
7f09c432
SP		 1011 return count;
1012}
1013
ed3aa4b7 1014
d78865cd
MD		 1015/*
1016 * Backlight device
1017 */
62d2f23e
MD		 1018struct sony_backlight_props {
1019 struct backlight_device *dev;
1020 int handle;
014fc8fb 1021 int cmd_base;
62d2f23e
MD		 1022 u8 offset;
1023 u8 maxlvl;
1024};
1025struct sony_backlight_props sony_bl_props;
1026
d78865cd 1027static int sony_backlight_update_status(struct backlight_device *bd)
3f4f461f 1028{
ebcef1b0
MD		 1029 int arg = bd->props.brightness + 1;
1030 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
d78865cd 1031}
3f4f461f 1032
d78865cd
MD		 1033static int sony_backlight_get_brightness(struct backlight_device *bd)
1034{
1035 int value;
3f4f461f 1036
ebcef1b0 1037 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
d78865cd
MD		 1038 return 0;
1039 /* brightness levels are 1-based, while backlight ones are 0-based */
1040 return value - 1;
3f4f461f
AM		 1041}
1042
7751ab8e
MD		 1043static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1044{
1045 int result;
62d2f23e
MD		 1046 struct sony_backlight_props *sdev =
1047 (struct sony_backlight_props *)bl_get_data(bd);
7751ab8e 1048
014fc8fb 1049 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
7751ab8e 1050
62d2f23e 1051 return (result & 0xff) - sdev->offset;
7751ab8e
MD		 1052}
1053
1054static int sony_nc_update_status_ng(struct backlight_device *bd)
1055{
1056 int value, result;
62d2f23e
MD		 1057 struct sony_backlight_props *sdev =
1058 (struct sony_backlight_props *)bl_get_data(bd);
7751ab8e 1059
62d2f23e 1060 value = bd->props.brightness + sdev->offset;
014fc8fb
MD		 1061 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1062 &result))
6192fa71 1063 return -EIO;
7751ab8e 1064
6192fa71 1065 return value;
7751ab8e
MD		 1066}
1067
acc2472e 1068static const struct backlight_ops sony_backlight_ops = {
7751ab8e 1069 .options = BL_CORE_SUSPENDRESUME,
a02d1c1d
LB		 1070 .update_status = sony_backlight_update_status,
1071 .get_brightness = sony_backlight_get_brightness,
d78865cd 1072};
7751ab8e
MD		 1073static const struct backlight_ops sony_backlight_ng_ops = {
1074 .options = BL_CORE_SUSPENDRESUME,
1075 .update_status = sony_nc_update_status_ng,
1076 .get_brightness = sony_nc_get_brightness_ng,
1077};
d78865cd 1078
6315fd1c
MD		 1079/*
1080 * New SNC-only Vaios event mapping to driver known keys
1081 */
1082struct sony_nc_event {
1083 u8 data;
1084 u8 event;
1085};
1086
45c7942b 1087static struct sony_nc_event sony_100_events[] = {
9b57896e
MG		 1088 { 0x90, SONYPI_EVENT_PKEY_P1 },
1089 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
6479efb6 1090 { 0x91, SONYPI_EVENT_PKEY_P2 },
9b57896e 1091 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
6315fd1c
MD		 1092 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1093 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
f5acf5e8
AV		 1094 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1095 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1096 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1097 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1098 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1099 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
6315fd1c
MD		 1100 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1101 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1102 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1103 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1104 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1105 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
2e526311
MC		 1106 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1107 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
9b57896e
MG		 1108 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1109 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
6315fd1c
MD		 1110 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1111 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
2e526311
MC		 1112 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1113 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
6315fd1c
MD		 1114 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1115 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1a7d9469
MD		 1116 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1117 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
9b57896e
MG		 1118 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1119 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
4f924ba5
MD		 1120 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1121 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1a7d9469
MD		 1122 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1123 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1124 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1125 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1126 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1127 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
6315fd1c
MD		 1128 { 0, 0 },
1129};
1130
45c7942b
MG		 1131static struct sony_nc_event sony_127_events[] = {
1132 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1133 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1134 { 0x82, SONYPI_EVENT_PKEY_P1 },
1135 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1136 { 0x83, SONYPI_EVENT_PKEY_P2 },
1137 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1138 { 0x84, SONYPI_EVENT_PKEY_P3 },
1139 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1140 { 0x85, SONYPI_EVENT_PKEY_P4 },
1141 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1142 { 0x86, SONYPI_EVENT_PKEY_P5 },
1143 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
45c7942b
MG		 1144 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1145 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1146 { 0, 0 },
1147};
1148
5fe801a7
MC		 1149static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1150{
1151 int ret = -EINVAL;
1152 unsigned int result = 0;
1153 struct sony_nc_event *key_event;
1154
1155 if (sony_call_snc_handle(handle, 0x200, &result)) {
1156 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1157 event);
1158 return -EINVAL;
1159 }
1160
1161 result &= 0xFF;
1162
1163 if (handle == 0x0100)
1164 key_event = sony_100_events;
1165 else
1166 key_event = sony_127_events;
1167
1168 for (; key_event->data; key_event++) {
1169 if (key_event->data == result) {
1170 ret = key_event->event;
1171 break;
1172 }
1173 }
1174
1175 if (!key_event->data)
1176 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1177 event, result, handle);
1178
1179 return ret;
1180}
1181
d78865cd
MD		 1182/*
1183 * ACPI callbacks
1184 */
4069d6f8
MD		 1185enum event_types {
1186 HOTKEY = 1,
bb384b52
MC		 1187 KILLSWITCH,
1188 GFX_SWITCH
4069d6f8 1189};
8037d6e6 1190static void sony_nc_notify(struct acpi_device *device, u32 event)
7f09c432 1191{
5fe801a7
MC		 1192 u32 real_ev = event;
1193 u8 ev_type = 0;
1194 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1195
1196 if (event >= 0x90) {
1197 unsigned int result = 0;
1198 unsigned int arg = 0;
1199 unsigned int handle = 0;
1200 unsigned int offset = event - 0x90;
1201
1202 if (offset >= ARRAY_SIZE(handles->cap)) {
1203 pr_err("Event 0x%x outside of capabilities list\n",
1204 event);
6cc056bc 1205 return;
9b57896e 1206 }
5fe801a7
MC		 1207 handle = handles->cap[offset];
1208
1209 /* list of handles known for generating events */
1210 switch (handle) {
1211 /* hotkey event */
1212 case 0x0100:
1213 case 0x0127:
4069d6f8 1214 ev_type = HOTKEY;
5fe801a7
MC		 1215 real_ev = sony_nc_hotkeys_decode(event, handle);
1216
1217 if (real_ev > 0)
1218 sony_laptop_report_input_event(real_ev);
1219 else
1220 /* restore the original event for reporting */
1221 real_ev = event;
1222
1223 break;
1224
1225 /* wlan switch */
1226 case 0x0124:
1227 case 0x0135:
1228 /* events on this handle are reported when the
1229 * switch changes position or for battery
1230 * events. We'll notify both of them but only
1231 * update the rfkill device status when the
1232 * switch is moved.
1233 */
4069d6f8 1234 ev_type = KILLSWITCH;
5fe801a7
MC		 1235 sony_call_snc_handle(handle, 0x0100, &result);
1236 real_ev = result & 0x03;
1237
1238 /* hw switch event */
1239 if (real_ev == 1)
1240 sony_nc_rfkill_update();
1241
1242 break;
badf26f0 1243
bb384b52
MC		 1244 case 0x0128:
1245 case 0x0146:
1246 /* Hybrid GFX switching */
1247 sony_call_snc_handle(handle, 0x0000, &result);
1248 dprintk("GFX switch event received (reason: %s)\n",
3a7abcd8
MD		 1249 (result == 0x1) ? "switch change" :
1250 (result == 0x2) ? "output switch" :
1251 (result == 0x3) ? "output switch" :
1252 "");
bb384b52
MC		 1253
1254 ev_type = GFX_SWITCH;
3a7abcd8 1255 real_ev = __sony_nc_gfx_switch_status_get();
bb384b52
MC		 1256 break;
1257
5fe801a7
MC		 1258 default:
1259 dprintk("Unknown event 0x%x for handle 0x%x\n",
1260 event, handle);
1261 break;
1262 }
1263
1264 /* clear the event (and the event reason when present) */
1265 arg = 1 << offset;
1266 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1267
1268 } else {
1269 /* old style event */
4069d6f8 1270 ev_type = HOTKEY;
5fe801a7
MC		 1271 sony_laptop_report_input_event(real_ev);
1272 }
1273
1274 acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev);
1275
1276 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1277 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
7f09c432
SP		 1278}
1279
1280static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1281 void *context, void **return_value)
1282{
30823736 1283 struct acpi_device_info *info;
7f09c432 1284
15b8dd53 1285 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
50f581a4 1286 pr_warn("method: name: %4.4s, args %X\n",
30823736
LM		 1287 (char *)&info->name, info->param_count);
1288
15b8dd53 1289 kfree(info);
30823736 1290 }
7f09c432
SP		 1291
1292 return AE_OK;
1293}
1294
d78865cd
MD		 1295/*
1296 * ACPI device
1297 */
5fe801a7
MC		 1298static void sony_nc_function_setup(struct acpi_device *device,
1299 struct platform_device *pf_device)
badf26f0 1300{
5fe801a7
MC		 1301 unsigned int i, result, bitmask, arg;
1302
1303 if (!handles)
1304 return;
1305
1306 /* setup found handles here */
1307 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1308 unsigned int handle = handles->cap[i];
1309
1310 if (!handle)
1311 continue;
1312
1313 dprintk("setting up handle 0x%.4x\n", handle);
1314
1315 switch (handle) {
1316 case 0x0100:
1317 case 0x0101:
1318 case 0x0127:
1319 /* setup hotkeys */
1320 sony_call_snc_handle(handle, 0, &result);
1321 break;
1322 case 0x0102:
1323 /* setup hotkeys */
1324 sony_call_snc_handle(handle, 0x100, &result);
1325 break;
2b8791c4
MC		 1326 case 0x0105:
1327 case 0x0148:
1328 /* touchpad enable/disable */
1329 result = sony_nc_touchpad_setup(pf_device, handle);
1330 if (result)
1331 pr_err("couldn't set up touchpad control function (%d)\n",
1332 result);
1333 break;
967145a0
MC		 1334 case 0x0115:
1335 case 0x0136:
1336 case 0x013f:
1337 result = sony_nc_battery_care_setup(pf_device, handle);
1338 if (result)
1339 pr_err("couldn't set up battery care function (%d)\n",
1340 result);
1341 break;
54535d08
MC		 1342 case 0x0119:
1343 result = sony_nc_lid_resume_setup(pf_device);
1344 if (result)
1345 pr_err("couldn't set up lid resume function (%d)\n",
1346 result);
1347 break;
49f000ad
MC		 1348 case 0x0122:
1349 result = sony_nc_thermal_setup(pf_device);
1350 if (result)
1351 pr_err("couldn't set up thermal profile function (%d)\n",
1352 result);
1353 break;
3a7abcd8
MD		 1354 case 0x0128:
1355 case 0x0146:
1356 result = sony_nc_gfx_switch_setup(pf_device, handle);
1357 if (result)
1358 pr_err("couldn't set up GFX Switch status (%d)\n",
1359 result);
1360 break;
88bf1706
MC		 1361 case 0x0131:
1362 result = sony_nc_highspeed_charging_setup(pf_device);
1363 if (result)
1364 pr_err("couldn't set up high speed charging function (%d)\n",
1365 result);
1366 break;
5fe801a7
MC		 1367 case 0x0124:
1368 case 0x0135:
a1e73632
MC		 1369 result = sony_nc_rfkill_setup(device, handle);
1370 if (result)
1371 pr_err("couldn't set up rfkill support (%d)\n",
1372 result);
5fe801a7
MC		 1373 break;
1374 case 0x0137:
aa33924f 1375 case 0x0143:
7517a17c
MD		 1376 case 0x014b:
1377 case 0x014c:
aa33924f
MC		 1378 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1379 if (result)
1380 pr_err("couldn't set up keyboard backlight function (%d)\n",
1381 result);
5fe801a7
MC		 1382 break;
1383 default:
1384 continue;
1385 }
1386 }
badf26f0
MG		 1387
1388 /* Enable all events */
5fe801a7
MC		 1389 arg = 0x10;
1390 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1391 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1392 &result);
1393}
badf26f0 1394
5fe801a7
MC		 1395static void sony_nc_function_cleanup(struct platform_device *pd)
1396{
1397 unsigned int i, result, bitmask, handle;
badf26f0 1398
5fe801a7
MC		 1399 /* get enabled events and disable them */
1400 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1401 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1402
1403 /* cleanup handles here */
1404 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1405
1406 handle = handles->cap[i];
1407
1408 if (!handle)
1409 continue;
1410
1411 switch (handle) {
2b8791c4
MC		 1412 case 0x0105:
1413 case 0x0148:
1414 sony_nc_touchpad_cleanup(pd);
1415 break;
967145a0
MC		 1416 case 0x0115:
1417 case 0x0136:
1418 case 0x013f:
1419 sony_nc_battery_care_cleanup(pd);
1420 break;
54535d08
MC		 1421 case 0x0119:
1422 sony_nc_lid_resume_cleanup(pd);
1423 break;
49f000ad
MC		 1424 case 0x0122:
1425 sony_nc_thermal_cleanup(pd);
1426 break;
3a7abcd8
MD		 1427 case 0x0128:
1428 case 0x0146:
1429 sony_nc_gfx_switch_cleanup(pd);
1430 break;
88bf1706
MC		 1431 case 0x0131:
1432 sony_nc_highspeed_charging_cleanup(pd);
1433 break;
5fe801a7
MC		 1434 case 0x0124:
1435 case 0x0135:
1436 sony_nc_rfkill_cleanup();
1437 break;
1438 case 0x0137:
aa33924f 1439 case 0x0143:
7517a17c
MD		 1440 case 0x014b:
1441 case 0x014c:
5fe801a7
MC		 1442 sony_nc_kbd_backlight_cleanup(pd);
1443 break;
1444 default:
1445 continue;
1446 }
1447 }
1448
1449 /* finally cleanup the handles list */
1450 sony_nc_handles_cleanup(pd);
1451}
1452
3567a4e2 1453#ifdef CONFIG_PM_SLEEP
5fe801a7
MC		 1454static void sony_nc_function_resume(void)
1455{
1456 unsigned int i, result, bitmask, arg;
1457
1458 dprintk("Resuming SNC device\n");
1459
1460 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1461 unsigned int handle = handles->cap[i];
1462
1463 if (!handle)
1464 continue;
1465
1466 switch (handle) {
1467 case 0x0100:
1468 case 0x0101:
1469 case 0x0127:
1470 /* re-enable hotkeys */
1471 sony_call_snc_handle(handle, 0, &result);
1472 break;
1473 case 0x0102:
1474 /* re-enable hotkeys */
1475 sony_call_snc_handle(handle, 0x100, &result);
1476 break;
49f000ad
MC		 1477 case 0x0122:
1478 sony_nc_thermal_resume();
1479 break;
5fe801a7
MC		 1480 case 0x0124:
1481 case 0x0135:
1482 sony_nc_rfkill_update();
1483 break;
1484 case 0x0137:
aa33924f 1485 case 0x0143:
7517a17c
MD		 1486 case 0x014b:
1487 case 0x014c:
5fe801a7
MC		 1488 sony_nc_kbd_backlight_resume();
1489 break;
1490 default:
1491 continue;
1492 }
1493 }
1494
1495 /* Enable all events */
1496 arg = 0x10;
1497 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1498 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1499 &result);
badf26f0
MG		 1500}
1501
bb6b98d6 1502static int sony_nc_resume(struct device *dev)
d78865cd 1503{
59b19106 1504 struct sony_nc_value *item;
badf26f0 1505 acpi_handle handle;
d78865cd 1506
59b19106 1507 for (item = sony_nc_values; item->name; item++) {
d78865cd
MD		 1508 int ret;
1509
1510 if (!item->valid)
1511 continue;
ebcef1b0
MD		 1512 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1513 &item->value, NULL);
d78865cd 1514 if (ret < 0) {
50f581a4 1515 pr_err("%s: %d\n", __func__, ret);
d78865cd
MD		 1516 break;
1517 }
1518 }
6315fd1c 1519
82734bfc
MG		 1520 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1521 &handle))) {
ebcef1b0
MD		 1522 int arg = 1;
1523 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
82734bfc
MG		 1524 dprintk("ECON Method failed\n");
1525 }
1526
badf26f0 1527 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
5fe801a7
MC		 1528 &handle)))
1529 sony_nc_function_resume();
df410d52 1530
d78865cd
MD		 1531 return 0;
1532}
3567a4e2 1533#endif
d78865cd 1534
bb6b98d6
RW		 1535static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1536
6cc056bc
MG		 1537static void sony_nc_rfkill_cleanup(void)
1538{
1539 int i;
1540
19d337df
JB		 1541 for (i = 0; i < N_SONY_RFKILL; i++) {
1542 if (sony_rfkill_devices[i]) {
6cc056bc 1543 rfkill_unregister(sony_rfkill_devices[i]);
19d337df
JB		 1544 rfkill_destroy(sony_rfkill_devices[i]);
1545 }
6cc056bc
MG		 1546 }
1547}
1548
19d337df 1549static int sony_nc_rfkill_set(void *data, bool blocked)
6cc056bc
MG		 1550{
1551 int result;
1552 int argument = sony_rfkill_address[(long) data] + 0x100;
1553
19d337df 1554 if (!blocked)
3ec1c398 1555 argument |= 0x070000;
6cc056bc 1556
d5a664a3 1557 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
6cc056bc
MG		 1558}
1559
19d337df
JB		 1560static const struct rfkill_ops sony_rfkill_ops = {
1561 .set_block = sony_nc_rfkill_set,
1562};
6cc056bc 1563
19d337df
JB		 1564static int sony_nc_setup_rfkill(struct acpi_device *device,
1565 enum sony_nc_rfkill nc_type)
6cc056bc
MG		 1566{
1567 int err = 0;
19d337df
JB		 1568 struct rfkill *rfk;
1569 enum rfkill_type type;
1570 const char *name;
50fab076 1571 int result;
d6f15ed8 1572 bool hwblock, swblock;
19d337df
JB		 1573
1574 switch (nc_type) {
1575 case SONY_WIFI:
1576 type = RFKILL_TYPE_WLAN;
1577 name = "sony-wifi";
1578 break;
1579 case SONY_BLUETOOTH:
1580 type = RFKILL_TYPE_BLUETOOTH;
1581 name = "sony-bluetooth";
1582 break;
1583 case SONY_WWAN:
1584 type = RFKILL_TYPE_WWAN;
1585 name = "sony-wwan";
1586 break;
1587 case SONY_WIMAX:
1588 type = RFKILL_TYPE_WIMAX;
1589 name = "sony-wimax";
1590 break;
1591 default:
1592 return -EINVAL;
53005a0a 1593 }
6cc056bc 1594
19d337df
JB		 1595 rfk = rfkill_alloc(name, &device->dev, type,
1596 &sony_rfkill_ops, (void *)nc_type);
1597 if (!rfk)
1598 return -ENOMEM;
6cc056bc 1599
d6f15ed8
MC		 1600 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1601 rfkill_destroy(rfk);
1602 return -1;
1603 }
50fab076 1604 hwblock = !(result & 0x1);
d6f15ed8
MC		 1605
1606 if (sony_call_snc_handle(sony_rfkill_handle,
1607 sony_rfkill_address[nc_type],
1608 &result) < 0) {
1609 rfkill_destroy(rfk);
1610 return -1;
1611 }
1612 swblock = !(result & 0x2);
1613
1614 rfkill_init_sw_state(rfk, swblock);
50fab076
AJ		 1615 rfkill_set_hw_state(rfk, hwblock);
1616
19d337df
JB		 1617 err = rfkill_register(rfk);
1618 if (err) {
1619 rfkill_destroy(rfk);
1620 return err;
53005a0a 1621 }
19d337df 1622 sony_rfkill_devices[nc_type] = rfk;
6cc056bc
MG		 1623 return err;
1624}
1625
a46a7808 1626static void sony_nc_rfkill_update(void)
6cc056bc 1627{
19d337df
JB		 1628 enum sony_nc_rfkill i;
1629 int result;
1630 bool hwblock;
6cc056bc 1631
d5a664a3 1632 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
19d337df 1633 hwblock = !(result & 0x1);
6cc056bc 1634
19d337df
JB		 1635 for (i = 0; i < N_SONY_RFKILL; i++) {
1636 int argument = sony_rfkill_address[i];
6cc056bc 1637
19d337df
JB		 1638 if (!sony_rfkill_devices[i])
1639 continue;
1640
1641 if (hwblock) {
e1f8a19e
JB		 1642 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1643 /* we already know we're blocked */
1644 }
19d337df 1645 continue;
6cc056bc 1646 }
19d337df 1647
d5a664a3 1648 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
19d337df 1649 rfkill_set_states(sony_rfkill_devices[i],
d6f15ed8 1650 !(result & 0x2), false);
6cc056bc
MG		 1651 }
1652}
1653
a1e73632
MC		 1654static int sony_nc_rfkill_setup(struct acpi_device *device,
1655 unsigned int handle)
6cc056bc 1656{
ebcef1b0
MD		 1657 u64 offset;
1658 int i;
1659 unsigned char buffer[32] = { 0 };
6cc056bc 1660
a1e73632
MC		 1661 offset = sony_find_snc_handle(handle);
1662 sony_rfkill_handle = handle;
528809c3 1663
ebcef1b0
MD		 1664 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1665 32);
1666 if (i < 0)
a1e73632
MC		 1667 return i;
1668
1669 /* The buffer is filled with magic numbers describing the devices
1670 * available, 0xff terminates the enumeration.
1671 * Known codes:
1672 * 0x00 WLAN
1673 * 0x10 BLUETOOTH
1674 * 0x20 WWAN GPRS-EDGE
1675 * 0x21 WWAN HSDPA
1676 * 0x22 WWAN EV-DO
1677 * 0x23 WWAN GPS
1678 * 0x25 Gobi WWAN no GPS
1679 * 0x26 Gobi WWAN + GPS
1680 * 0x28 Gobi WWAN no GPS
1681 * 0x29 Gobi WWAN + GPS
1682 * 0x30 WIMAX
1683 * 0x50 Gobi WWAN no GPS
1684 * 0x51 Gobi WWAN + GPS
1685 * 0x70 no SIM card slot
1686 * 0x71 SIM card slot
528809c3 1687 */
ebcef1b0 1688 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
c14973f9 1689
ebcef1b0 1690 if (buffer[i] == 0xff)
c14973f9
DT		 1691 break;
1692
a1e73632 1693 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
6cc056bc 1694
ebcef1b0 1695 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
528809c3
MD		 1696 sony_nc_setup_rfkill(device, SONY_WIFI);
1697
ebcef1b0 1698 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
528809c3
MD		 1699 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1700
a1e73632
MC		 1701 if (((0xf0 & buffer[i]) == 0x20 ||
1702 (0xf0 & buffer[i]) == 0x50) &&
528809c3
MD		 1703 !sony_rfkill_devices[SONY_WWAN])
1704 sony_nc_setup_rfkill(device, SONY_WWAN);
1705
ebcef1b0 1706 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
528809c3
MD		 1707 sony_nc_setup_rfkill(device, SONY_WIMAX);
1708 }
a1e73632 1709 return 0;
6cc056bc
MG		 1710}
1711
bf155714 1712/* Keyboard backlight feature */
bf155714 1713struct kbd_backlight {
aa33924f
MC		 1714 unsigned int handle;
1715 unsigned int base;
1716 unsigned int mode;
1717 unsigned int timeout;
bf155714
MD		 1718 struct device_attribute mode_attr;
1719 struct device_attribute timeout_attr;
1720};
1721
aa33924f 1722static struct kbd_backlight *kbdbl_ctl;
bf155714
MD		 1723
1724static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1725{
1726 int result;
1727
1728 if (value > 1)
1729 return -EINVAL;
1730
aa33924f
MC		 1731 if (sony_call_snc_handle(kbdbl_ctl->handle,
1732 (value << 0x10) | (kbdbl_ctl->base), &result))
bf155714
MD		 1733 return -EIO;
1734
df410d52 1735 /* Try to turn the light on/off immediately */
aa33924f
MC		 1736 sony_call_snc_handle(kbdbl_ctl->handle,
1737 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
df410d52 1738
aa33924f 1739 kbdbl_ctl->mode = value;
bf155714
MD		 1740
1741 return 0;
1742}
1743
1744static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1745 struct device_attribute *attr,
1746 const char *buffer, size_t count)
1747{
1748 int ret = 0;
1749 unsigned long value;
1750
1751 if (count > 31)
1752 return -EINVAL;
1753
9e123379 1754 if (kstrtoul(buffer, 10, &value))
bf155714
MD		 1755 return -EINVAL;
1756
1757 ret = __sony_nc_kbd_backlight_mode_set(value);
1758 if (ret < 0)
1759 return ret;
1760
1761 return count;
1762}
1763
1764static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1765 struct device_attribute *attr, char *buffer)
1766{
1767 ssize_t count = 0;
aa33924f 1768 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
bf155714
MD		 1769 return count;
1770}
1771
1772static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1773{
1774 int result;
1775
1776 if (value > 3)
1777 return -EINVAL;
1778
aa33924f
MC		 1779 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1780 (kbdbl_ctl->base + 0x200), &result))
bf155714
MD		 1781 return -EIO;
1782
aa33924f 1783 kbdbl_ctl->timeout = value;
bf155714
MD		 1784
1785 return 0;
1786}
1787
1788static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1789 struct device_attribute *attr,
1790 const char *buffer, size_t count)
1791{
1792 int ret = 0;
1793 unsigned long value;
1794
1795 if (count > 31)
1796 return -EINVAL;
1797
9e123379 1798 if (kstrtoul(buffer, 10, &value))
bf155714
MD		 1799 return -EINVAL;
1800
1801 ret = __sony_nc_kbd_backlight_timeout_set(value);
1802 if (ret < 0)
1803 return ret;
1804
1805 return count;
1806}
1807
1808static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1809 struct device_attribute *attr, char *buffer)
1810{
1811 ssize_t count = 0;
aa33924f 1812 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
bf155714
MD		 1813 return count;
1814}
1815
aa33924f
MC		 1816static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1817 unsigned int handle)
bf155714
MD		 1818{
1819 int result;
aa33924f 1820 int ret = 0;
bf155714 1821
aa33924f
MC		 1822 /* verify the kbd backlight presence, these handles are not used for
1823 * keyboard backlight only
1824 */
1825 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1826 &result);
1827 if (ret)
1828 return ret;
bf155714 1829
aa33924f
MC		 1830 if ((handle == 0x0137 && !(result & 0x02)) ||
1831 !(result & 0x01)) {
1832 dprintk("no backlight keyboard found\n");
1833 return 0;
1834 }
bf155714 1835
aa33924f
MC		 1836 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1837 if (!kbdbl_ctl)
1838 return -ENOMEM;
bf155714 1839
aa33924f
MC		 1840 kbdbl_ctl->handle = handle;
1841 if (handle == 0x0137)
1842 kbdbl_ctl->base = 0x0C00;
1843 else
1844 kbdbl_ctl->base = 0x4000;
bf155714 1845
aa33924f
MC		 1846 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1847 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1848 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1849 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1850 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1851
1852 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1853 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1854 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1855 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1856 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1857
1858 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1859 if (ret)
bf155714
MD		 1860 goto outkzalloc;
1861
aa33924f
MC		 1862 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1863 if (ret)
bf155714
MD		 1864 goto outmode;
1865
1866 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1867 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1868
aa33924f 1869 return 0;
bf155714
MD		 1870
1871outmode:
aa33924f 1872 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
bf155714 1873outkzalloc:
aa33924f
MC		 1874 kfree(kbdbl_ctl);
1875 kbdbl_ctl = NULL;
1876 return ret;
bf155714
MD		 1877}
1878
aa33924f 1879static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
bf155714 1880{
aa33924f 1881 if (kbdbl_ctl) {
df410d52
MC		 1882 int result;
1883
aa33924f
MC		 1884 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1885 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
df410d52
MC		 1886
1887 /* restore the default hw behaviour */
aa33924f
MC		 1888 sony_call_snc_handle(kbdbl_ctl->handle,
1889 kbdbl_ctl->base | 0x10000, &result);
1890 sony_call_snc_handle(kbdbl_ctl->handle,
1891 kbdbl_ctl->base + 0x200, &result);
df410d52 1892
aa33924f
MC		 1893 kfree(kbdbl_ctl);
1894 kbdbl_ctl = NULL;
bf155714 1895 }
bf155714
MD		 1896}
1897
3567a4e2 1898#ifdef CONFIG_PM_SLEEP
df410d52
MC		 1899static void sony_nc_kbd_backlight_resume(void)
1900{
1901 int ignore = 0;
1902
aa33924f 1903 if (!kbdbl_ctl)
df410d52
MC		 1904 return;
1905
aa33924f
MC		 1906 if (kbdbl_ctl->mode == 0)
1907 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
df410d52 1908 &ignore);
aa33924f
MC		 1909
1910 if (kbdbl_ctl->timeout != 0)
1911 sony_call_snc_handle(kbdbl_ctl->handle,
1912 (kbdbl_ctl->base + 0x200) |
1913 (kbdbl_ctl->timeout << 0x10), &ignore);
df410d52 1914}
3567a4e2 1915#endif
df410d52 1916
967145a0
MC		 1917struct battery_care_control {
1918 struct device_attribute attrs[2];
1919 unsigned int handle;
1920};
1921static struct battery_care_control *bcare_ctl;
1922
1923static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1924 struct device_attribute *attr,
1925 const char *buffer, size_t count)
1926{
1927 unsigned int result, cmd;
1928 unsigned long value;
1929
1930 if (count > 31)
1931 return -EINVAL;
1932
1933 if (kstrtoul(buffer, 10, &value))
1934 return -EINVAL;
1935
1936 /* limit values (2 bits):
1937 * 00 - none
1938 * 01 - 80%
1939 * 10 - 50%
1940 * 11 - 100%
1941 *
1942 * bit 0: 0 disable BCL, 1 enable BCL
1943 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1944 * bits 2,3: reserved
1945 * bits 4,5: store the limit into the EC
1946 * bits 6,7: store the limit into the battery
1947 */
15aa5c75 1948 cmd = 0;
967145a0 1949
15aa5c75
MD		 1950 if (value > 0) {
1951 if (value <= 50)
1952 cmd = 0x20;
1953
1954 else if (value <= 80)
1955 cmd = 0x10;
967145a0 1956
15aa5c75
MD		 1957 else if (value <= 100)
1958 cmd = 0x30;
967145a0 1959
15aa5c75
MD		 1960 else
1961 return -EINVAL;
967145a0 1962
15aa5c75
MD		 1963 /*
1964 * handle 0x0115 should allow storing on battery too;
1965 * handle 0x0136 same as 0x0115 + health status;
1966 * handle 0x013f, same as 0x0136 but no storing on the battery
1967 */
1968 if (bcare_ctl->handle != 0x013f)
1969 cmd = cmd | (cmd << 2);
967145a0 1970
15aa5c75
MD		 1971 cmd = (cmd | 0x1) << 0x10;
1972 }
967145a0 1973
15aa5c75 1974 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
967145a0
MC		 1975 return -EIO;
1976
1977 return count;
1978}
1979
1980static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1981 struct device_attribute *attr, char *buffer)
1982{
1983 unsigned int result, status;
1984
1985 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1986 return -EIO;
1987
1988 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1989 switch (status) {
1990 case 1:
1991 status = 80;
1992 break;
1993 case 2:
1994 status = 50;
1995 break;
1996 case 3:
1997 status = 100;
1998 break;
1999 default:
2000 status = 0;
2001 break;
2002 }
2003
2004 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2005}
2006
2007static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2008 struct device_attribute *attr, char *buffer)
2009{
2010 ssize_t count = 0;
2011 unsigned int health;
2012
2013 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2014 return -EIO;
2015
2016 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2017
2018 return count;
2019}
2020
2021static int sony_nc_battery_care_setup(struct platform_device *pd,
2022 unsigned int handle)
2023{
2024 int ret = 0;
2025
2026 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2027 if (!bcare_ctl)
2028 return -ENOMEM;
2029
2030 bcare_ctl->handle = handle;
2031
2032 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2033 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2034 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2035 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2036 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2037
2038 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2039 if (ret)
2040 goto outkzalloc;
2041
2042 /* 0x0115 is for models with no health reporting capability */
2043 if (handle == 0x0115)
2044 return 0;
2045
2046 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2047 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2048 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2049 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2050
2051 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2052 if (ret)
2053 goto outlimiter;
2054
2055 return 0;
2056
2057outlimiter:
2058 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2059
2060outkzalloc:
2061 kfree(bcare_ctl);
2062 bcare_ctl = NULL;
2063
2064 return ret;
2065}
2066
2067static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2068{
2069 if (bcare_ctl) {
2070 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2071 if (bcare_ctl->handle != 0x0115)
2072 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2073
2074 kfree(bcare_ctl);
2075 bcare_ctl = NULL;
2076 }
2077}
2078
49f000ad
MC		 2079struct snc_thermal_ctrl {
2080 unsigned int mode;
2081 unsigned int profiles;
2082 struct device_attribute mode_attr;
2083 struct device_attribute profiles_attr;
2084};
2085static struct snc_thermal_ctrl *th_handle;
2086
2087#define THM_PROFILE_MAX 3
2088static const char * const snc_thermal_profiles[] = {
2089 "balanced",
2090 "silent",
2091 "performance"
2092};
2093
2094static int sony_nc_thermal_mode_set(unsigned short mode)
2095{
2096 unsigned int result;
2097
2098 /* the thermal profile seems to be a two bit bitmask:
2099 * lsb -> silent
2100 * msb -> performance
2101 * no bit set is the normal operation and is always valid
2102 * Some vaio models only have "balanced" and "performance"
2103 */
2104 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2105 return -EINVAL;
2106
2107 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2108 return -EIO;
2109
2110 th_handle->mode = mode;
2111
2112 return 0;
2113}
2114
2115static int sony_nc_thermal_mode_get(void)
2116{
2117 unsigned int result;
2118
2119 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2120 return -EIO;
2121
2122 return result & 0xff;
2123}
2124
2125static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2126 struct device_attribute *attr, char *buffer)
2127{
2128 short cnt;
2129 size_t idx = 0;
2130
2131 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2132 if (!cnt || (th_handle->profiles & cnt))
2133 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2134 snc_thermal_profiles[cnt]);
2135 }
2136 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2137
2138 return idx;
2139}
2140
2141static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2142 struct device_attribute *attr,
2143 const char *buffer, size_t count)
2144{
2145 unsigned short cmd;
2146 size_t len = count;
2147
2148 if (count == 0)
2149 return -EINVAL;
2150
2151 /* skip the newline if present */
2152 if (buffer[len - 1] == '\n')
2153 len--;
2154
2155 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2156 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2157 break;
2158
2159 if (sony_nc_thermal_mode_set(cmd))
2160 return -EIO;
2161
2162 return count;
2163}
2164
2165static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2166 struct device_attribute *attr, char *buffer)
2167{
2168 ssize_t count = 0;
56f4a9f7 2169 int mode = sony_nc_thermal_mode_get();
49f000ad
MC		 2170
2171 if (mode < 0)
2172 return mode;
2173
2174 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2175
2176 return count;
2177}
2178
2179static int sony_nc_thermal_setup(struct platform_device *pd)
2180{
2181 int ret = 0;
2182 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2183 if (!th_handle)
2184 return -ENOMEM;
2185
2186 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2187 if (ret) {
2188 pr_warn("couldn't to read the thermal profiles\n");
2189 goto outkzalloc;
2190 }
2191
2192 ret = sony_nc_thermal_mode_get();
2193 if (ret < 0) {
2194 pr_warn("couldn't to read the current thermal profile");
2195 goto outkzalloc;
2196 }
2197 th_handle->mode = ret;
2198
2199 sysfs_attr_init(&th_handle->profiles_attr.attr);
2200 th_handle->profiles_attr.attr.name = "thermal_profiles";
2201 th_handle->profiles_attr.attr.mode = S_IRUGO;
2202 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2203
2204 sysfs_attr_init(&th_handle->mode_attr.attr);
2205 th_handle->mode_attr.attr.name = "thermal_control";
2206 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2207 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2208 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2209
2210 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2211 if (ret)
2212 goto outkzalloc;
2213
2214 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2215 if (ret)
2216 goto outprofiles;
2217
2218 return 0;
2219
2220outprofiles:
2221 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2222outkzalloc:
2223 kfree(th_handle);
2224 th_handle = NULL;
2225 return ret;
2226}
2227
2228static void sony_nc_thermal_cleanup(struct platform_device *pd)
2229{
2230 if (th_handle) {
2231 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2232 device_remove_file(&pd->dev, &th_handle->mode_attr);
2233 kfree(th_handle);
2234 th_handle = NULL;
2235 }
2236}
2237
3567a4e2 2238#ifdef CONFIG_PM_SLEEP
49f000ad
MC		 2239static void sony_nc_thermal_resume(void)
2240{
2241 unsigned int status = sony_nc_thermal_mode_get();
2242
2243 if (status != th_handle->mode)
2244 sony_nc_thermal_mode_set(th_handle->mode);
2245}
3567a4e2 2246#endif
49f000ad 2247
54535d08
MC		 2248/* resume on LID open */
2249struct snc_lid_resume_control {
2250 struct device_attribute attrs[3];
2251 unsigned int status;
2252};
2253static struct snc_lid_resume_control *lid_ctl;
2254
2255static ssize_t sony_nc_lid_resume_store(struct device *dev,
2256 struct device_attribute *attr,
2257 const char *buffer, size_t count)
2258{
2259 unsigned int result, pos;
2260 unsigned long value;
2261 if (count > 31)
2262 return -EINVAL;
2263
2264 if (kstrtoul(buffer, 10, &value) || value > 1)
2265 return -EINVAL;
2266
2267 /* the value we have to write to SNC is a bitmask:
2268 * +--------------+
2269 * | S3 | S4 | S5 |
2270 * +--------------+
2271 * 2 1 0
2272 */
2273 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2274 pos = 2;
2275 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2276 pos = 1;
2277 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2278 pos = 0;
2279 else
2280 return -EINVAL;
2281
2282 if (value)
2283 value = lid_ctl->status | (1 << pos);
2284 else
2285 value = lid_ctl->status & ~(1 << pos);
2286
2287 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2288 return -EIO;
2289
2290 lid_ctl->status = value;
2291
2292 return count;
2293}
2294
2295static ssize_t sony_nc_lid_resume_show(struct device *dev,
2296 struct device_attribute *attr, char *buffer)
2297{
2298 unsigned int pos;
2299
2300 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2301 pos = 2;
2302 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2303 pos = 1;
2304 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2305 pos = 0;
2306 else
2307 return -EINVAL;
2308
2309 return snprintf(buffer, PAGE_SIZE, "%d\n",
2310 (lid_ctl->status >> pos) & 0x01);
2311}
2312
2313static int sony_nc_lid_resume_setup(struct platform_device *pd)
2314{
2315 unsigned int result;
2316 int i;
2317
2318 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2319 return -EIO;
2320
2321 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2322 if (!lid_ctl)
2323 return -ENOMEM;
2324
2325 lid_ctl->status = result & 0x7;
2326
2327 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2328 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2329 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2330 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2331 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2332
2333 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2334 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2335 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2336 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2337 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2338
2339 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2340 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2341 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2342 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2343 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2344
2345 for (i = 0; i < 3; i++) {
2346 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2347 if (result)
2348 goto liderror;
2349 }
2350
2351 return 0;
2352
2353liderror:
34cf1df3 2354 for (i--; i >= 0; i--)
54535d08
MC		 2355 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2356
2357 kfree(lid_ctl);
2358 lid_ctl = NULL;
2359
2360 return result;
2361}
2362
2363static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2364{
2365 int i;
2366
2367 if (lid_ctl) {
2368 for (i = 0; i < 3; i++)
2369 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2370
2371 kfree(lid_ctl);
2372 lid_ctl = NULL;
2373 }
2374}
2375
3a7abcd8
MD		 2376/* GFX Switch position */
2377enum gfx_switch {
2378 SPEED,
2379 STAMINA,
2380 AUTO
2381};
2382struct snc_gfx_switch_control {
2383 struct device_attribute attr;
2384 unsigned int handle;
2385};
2386static struct snc_gfx_switch_control *gfxs_ctl;
2387
2388/* returns 0 for speed, 1 for stamina */
2389static int __sony_nc_gfx_switch_status_get(void)
2390{
2391 unsigned int result;
2392
2393 if (sony_call_snc_handle(gfxs_ctl->handle, 0x0100, &result))
2394 return -EIO;
2395
2396 switch (gfxs_ctl->handle) {
2397 case 0x0146:
2398 /* 1: discrete GFX (speed)
2399 * 0: integrated GFX (stamina)
2400 */
2401 return result & 0x1 ? SPEED : STAMINA;
2402 break;
2403 case 0x0128:
2404 /* it's a more elaborated bitmask, for now:
2405 * 2: integrated GFX (stamina)
2406 * 0: discrete GFX (speed)
2407 */
2408 dprintk("GFX Status: 0x%x\n", result);
2409 return result & 0x80 ? AUTO :
2410 result & 0x02 ? STAMINA : SPEED;
2411 break;
2412 }
2413 return -EINVAL;
2414}
2415
2416static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2417 struct device_attribute *attr,
2418 char *buffer)
2419{
2420 int pos = __sony_nc_gfx_switch_status_get();
2421
2422 if (pos < 0)
2423 return pos;
2424
2425 return snprintf(buffer, PAGE_SIZE, "%s\n", pos ? "speed" : "stamina");
2426}
2427
2428static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2429 unsigned int handle)
2430{
2431 unsigned int result;
2432
2433 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2434 if (!gfxs_ctl)
2435 return -ENOMEM;
2436
2437 gfxs_ctl->handle = handle;
2438
2439 sysfs_attr_init(&gfxs_ctl->attr.attr);
2440 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2441 gfxs_ctl->attr.attr.mode = S_IRUGO;
2442 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2443
2444 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2445 if (result)
2446 goto gfxerror;
2447
2448 return 0;
2449
2450gfxerror:
2451 kfree(gfxs_ctl);
2452 gfxs_ctl = NULL;
2453
2454 return result;
2455}
2456
2457static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2458{
2459 if (gfxs_ctl) {
2460 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2461
2462 kfree(gfxs_ctl);
2463 gfxs_ctl = NULL;
2464 }
2465}
2466
88bf1706
MC		 2467/* High speed charging function */
2468static struct device_attribute *hsc_handle;
2469
2470static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2471 struct device_attribute *attr,
2472 const char *buffer, size_t count)
2473{
2474 unsigned int result;
2475 unsigned long value;
2476
2477 if (count > 31)
2478 return -EINVAL;
2479
2480 if (kstrtoul(buffer, 10, &value) || value > 1)
2481 return -EINVAL;
2482
2483 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2484 return -EIO;
2485
2486 return count;
2487}
2488
2489static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2490 struct device_attribute *attr, char *buffer)
2491{
2492 unsigned int result;
2493
2494 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2495 return -EIO;
2496
2497 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2498}
2499
2500static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2501{
2502 unsigned int result;
2503
2504 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2505 /* some models advertise the handle but have no implementation
2506 * for it
2507 */
2508 pr_info("No High Speed Charging capability found\n");
2509 return 0;
2510 }
2511
2512 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2513 if (!hsc_handle)
2514 return -ENOMEM;
2515
2516 sysfs_attr_init(&hsc_handle->attr);
2517 hsc_handle->attr.name = "battery_highspeed_charging";
2518 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2519 hsc_handle->show = sony_nc_highspeed_charging_show;
2520 hsc_handle->store = sony_nc_highspeed_charging_store;
2521
2522 result = device_create_file(&pd->dev, hsc_handle);
2523 if (result) {
2524 kfree(hsc_handle);
2525 hsc_handle = NULL;
2526 return result;
2527 }
2528
2529 return 0;
2530}
2531
2532static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2533{
2534 if (hsc_handle) {
2535 device_remove_file(&pd->dev, hsc_handle);
2536 kfree(hsc_handle);
2537 hsc_handle = NULL;
2538 }
2539}
2540
2b8791c4
MC		 2541/* Touchpad enable/disable */
2542struct touchpad_control {
2543 struct device_attribute attr;
2544 int handle;
2545};
2546static struct touchpad_control *tp_ctl;
2547
2548static ssize_t sony_nc_touchpad_store(struct device *dev,
2549 struct device_attribute *attr, const char *buffer, size_t count)
2550{
2551 unsigned int result;
2552 unsigned long value;
2553
2554 if (count > 31)
2555 return -EINVAL;
2556
2557 if (kstrtoul(buffer, 10, &value) || value > 1)
2558 return -EINVAL;
2559
2560 /* sysfs: 0 disabled, 1 enabled
2561 * EC: 0 enabled, 1 disabled
2562 */
2563 if (sony_call_snc_handle(tp_ctl->handle,
2564 (!value << 0x10) | 0x100, &result))
2565 return -EIO;
2566
2567 return count;
2568}
2569
2570static ssize_t sony_nc_touchpad_show(struct device *dev,
2571 struct device_attribute *attr, char *buffer)
2572{
2573 unsigned int result;
2574
2575 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2576 return -EINVAL;
2577
2578 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2579}
2580
2581static int sony_nc_touchpad_setup(struct platform_device *pd,
2582 unsigned int handle)
2583{
2584 int ret = 0;
2585
2586 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2587 if (!tp_ctl)
2588 return -ENOMEM;
2589
2590 tp_ctl->handle = handle;
2591
2592 sysfs_attr_init(&tp_ctl->attr.attr);
2593 tp_ctl->attr.attr.name = "touchpad";
2594 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2595 tp_ctl->attr.show = sony_nc_touchpad_show;
2596 tp_ctl->attr.store = sony_nc_touchpad_store;
2597
2598 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2599 if (ret) {
2600 kfree(tp_ctl);
2601 tp_ctl = NULL;
2602 }
2603
2604 return ret;
2605}
2606
2607static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2608{
2609 if (tp_ctl) {
2610 device_remove_file(&pd->dev, &tp_ctl->attr);
2611 kfree(tp_ctl);
2612 tp_ctl = NULL;
2613 }
2614}
2615
62d2f23e
MD		 2616static void sony_nc_backlight_ng_read_limits(int handle,
2617 struct sony_backlight_props *props)
2618{
ebcef1b0
MD		 2619 u64 offset;
2620 int i;
014fc8fb 2621 int lvl_table_len = 0;
62d2f23e 2622 u8 min = 0xff, max = 0x00;
ebcef1b0 2623 unsigned char buffer[32] = { 0 };
62d2f23e
MD		 2624
2625 props->handle = handle;
2626 props->offset = 0;
2627 props->maxlvl = 0xff;
2628
2629 offset = sony_find_snc_handle(handle);
62d2f23e
MD		 2630
2631 /* try to read the boundaries from ACPI tables, if we fail the above
2632 * defaults should be reasonable
2633 */
ebcef1b0
MD		 2634 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2635 32);
2636 if (i < 0)
62d2f23e 2637 return;
62d2f23e 2638
014fc8fb
MD		 2639 switch (handle) {
2640 case 0x012f:
2641 case 0x0137:
2642 lvl_table_len = 9;
2643 break;
2644 case 0x143:
7517a17c
MD		 2645 case 0x14b:
2646 case 0x14c:
014fc8fb
MD		 2647 lvl_table_len = 16;
2648 break;
2649 }
2650
62d2f23e 2651 /* the buffer lists brightness levels available, brightness levels are
ebcef1b0
MD		 2652 * from position 0 to 8 in the array, other values are used by ALS
2653 * control.
62d2f23e 2654 */
014fc8fb 2655 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
62d2f23e 2656
ebcef1b0 2657 dprintk("Brightness level: %d\n", buffer[i]);
62d2f23e 2658
ebcef1b0 2659 if (!buffer[i])
62d2f23e
MD		 2660 break;
2661
ebcef1b0
MD		 2662 if (buffer[i] > max)
2663 max = buffer[i];
2664 if (buffer[i] < min)
2665 min = buffer[i];
62d2f23e
MD		 2666 }
2667 props->offset = min;
2668 props->maxlvl = max;
2669 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2670 props->maxlvl);
62d2f23e
MD		 2671}
2672
7751ab8e
MD		 2673static void sony_nc_backlight_setup(void)
2674{
2675 acpi_handle unused;
2676 int max_brightness = 0;
2677 const struct backlight_ops *ops = NULL;
2678 struct backlight_properties props;
2679
a1071a5a 2680 if (sony_find_snc_handle(0x12f) >= 0) {
7751ab8e 2681 ops = &sony_backlight_ng_ops;
014fc8fb 2682 sony_bl_props.cmd_base = 0x0100;
62d2f23e
MD		 2683 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2684 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
7751ab8e 2685
a1071a5a 2686 } else if (sony_find_snc_handle(0x137) >= 0) {
7751ab8e 2687 ops = &sony_backlight_ng_ops;
014fc8fb 2688 sony_bl_props.cmd_base = 0x0100;
62d2f23e
MD		 2689 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2690 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
7751ab8e 2691
a1071a5a 2692 } else if (sony_find_snc_handle(0x143) >= 0) {
014fc8fb
MD		 2693 ops = &sony_backlight_ng_ops;
2694 sony_bl_props.cmd_base = 0x3000;
2695 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2696 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2697
7517a17c
MD		 2698 } else if (sony_find_snc_handle(0x14b) >= 0) {
2699 ops = &sony_backlight_ng_ops;
2700 sony_bl_props.cmd_base = 0x3000;
2701 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
2702 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2703
2704 } else if (sony_find_snc_handle(0x14c) >= 0) {
2705 ops = &sony_backlight_ng_ops;
2706 sony_bl_props.cmd_base = 0x3000;
2707 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
2708 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2709
7751ab8e
MD		 2710 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
2711 &unused))) {
2712 ops = &sony_backlight_ops;
2713 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2714
2715 } else
2716 return;
2717
2718 memset(&props, 0, sizeof(struct backlight_properties));
2719 props.type = BACKLIGHT_PLATFORM;
2720 props.max_brightness = max_brightness;
62d2f23e
MD		 2721 sony_bl_props.dev = backlight_device_register("sony", NULL,
2722 &sony_bl_props,
2723 ops, &props);
7751ab8e 2724
62d2f23e 2725 if (IS_ERR(sony_bl_props.dev)) {
50f581a4 2726 pr_warn("unable to register backlight device\n");
62d2f23e 2727 sony_bl_props.dev = NULL;
7751ab8e 2728 } else
62d2f23e
MD		 2729 sony_bl_props.dev->props.brightness =
2730 ops->get_brightness(sony_bl_props.dev);
7751ab8e
MD		 2731}
2732
2733static void sony_nc_backlight_cleanup(void)
2734{
62d2f23e
MD		 2735 if (sony_bl_props.dev)
2736 backlight_device_unregister(sony_bl_props.dev);
7751ab8e
MD		 2737}
2738
59b19106 2739static int sony_nc_add(struct acpi_device *device)
7f09c432
SP		 2740{
2741 acpi_status status;
8607c673 2742 int result = 0;
50f62afb 2743 acpi_handle handle;
56b8756b 2744 struct sony_nc_value *item;
7f09c432 2745
50f581a4 2746 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
f6119b02 2747
59b19106 2748 sony_nc_acpi_device = device;
33a04454 2749 strcpy(acpi_device_class(device), "sony/hotkey");
c561162f 2750
59b19106 2751 sony_nc_acpi_handle = device->handle;
7f09c432 2752
b25b732a
MD		 2753 /* read device status */
2754 result = acpi_bus_get_status(device);
2755 /* bail IFF the above call was successful and the device is not present */
2756 if (!result && !device->status.present) {
2757 dprintk("Device not present\n");
2758 result = -ENODEV;
2759 goto outwalk;
2760 }
2761
2a4f0c81
MD		 2762 result = sony_pf_add();
2763 if (result)
2764 goto outpresent;
2765
7f09c432 2766 if (debug) {
d6697938
MD		 2767 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2768 sony_nc_acpi_handle, 1, sony_walk_callback,
2769 NULL, NULL, NULL);
7f09c432 2770 if (ACPI_FAILURE(status)) {
50f581a4 2771 pr_warn("unable to walk acpi resources\n");
7f09c432 2772 result = -ENODEV;
2a4f0c81 2773 goto outpresent;
7f09c432 2774 }
c561162f 2775 }
7f09c432 2776
ca3c2c70
MD		 2777 result = sony_laptop_setup_input(device);
2778 if (result) {
2779 pr_err("Unable to create input devices\n");
2780 goto outplatform;
2781 }
2782
82734bfc
MG		 2783 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
2784 &handle))) {
ebcef1b0
MD		 2785 int arg = 1;
2786 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
82734bfc
MG		 2787 dprintk("ECON Method failed\n");
2788 }
2789
badf26f0
MG		 2790 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
2791 &handle))) {
2792 dprintk("Doing SNC setup\n");
5fe801a7 2793 /* retrieve the available handles */
7227dedb 2794 result = sony_nc_handles_setup(sony_pf_device);
5fe801a7
MC		 2795 if (!result)
2796 sony_nc_function_setup(device, sony_pf_device);
badf26f0
MG		 2797 }
2798
1549ee6f 2799 /* setup input devices and helper fifo */
38cfc148 2800 if (acpi_video_backlight_support()) {
50f581a4 2801 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
7751ab8e
MD		 2802 } else {
2803 sony_nc_backlight_setup();
50f62afb 2804 }
7f09c432 2805
56b8756b 2806 /* create sony_pf sysfs attributes related to the SNC device */
2807 for (item = sony_nc_values; item->name; ++item) {
2808
2809 if (!debug && item->debug)
2810 continue;
2811
2812 /* find the available acpiget as described in the DSDT */
2813 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2814 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2815 *item->acpiget,
2816 &handle))) {
b9a218b7 2817 dprintk("Found %s getter: %s\n",
2818 item->name, *item->acpiget);
56b8756b 2819 item->devattr.attr.mode |= S_IRUGO;
2820 break;
2821 }
2822 }
2823
2824 /* find the available acpiset as described in the DSDT */
2825 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2826 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2827 *item->acpiset,
2828 &handle))) {
b9a218b7 2829 dprintk("Found %s setter: %s\n",
2830 item->name, *item->acpiset);
56b8756b 2831 item->devattr.attr.mode |= S_IWUSR;
2832 break;
2833 }
2834 }
2835
2836 if (item->devattr.attr.mode != 0) {
2837 result =
2838 device_create_file(&sony_pf_device->dev,
2839 &item->devattr);
2840 if (result)
2841 goto out_sysfs;
2842 }
2843 }
2844
7f09c432
SP		 2845 return 0;
2846
ca3c2c70 2847out_sysfs:
56b8756b 2848 for (item = sony_nc_values; item->name; ++item) {
2849 device_remove_file(&sony_pf_device->dev, &item->devattr);
2850 }
7751ab8e 2851 sony_nc_backlight_cleanup();
5fe801a7 2852 sony_nc_function_cleanup(sony_pf_device);
2a4f0c81
MD		 2853 sony_nc_handles_cleanup(sony_pf_device);
2854
ca3c2c70
MD		 2855outplatform:
2856 sony_laptop_remove_input();
2857
2858outpresent:
2a4f0c81
MD		 2859 sony_pf_remove();
2860
ca3c2c70 2861outwalk:
6cc056bc 2862 sony_nc_rfkill_cleanup();
7f09c432
SP		 2863 return result;
2864}
2865
51fac838 2866static int sony_nc_remove(struct acpi_device *device)
7f09c432 2867{
56b8756b 2868 struct sony_nc_value *item;
7f09c432 2869
7751ab8e 2870 sony_nc_backlight_cleanup();
50f62afb 2871
59b19106 2872 sony_nc_acpi_device = NULL;
c561162f 2873
56b8756b 2874 for (item = sony_nc_values; item->name; ++item) {
2875 device_remove_file(&sony_pf_device->dev, &item->devattr);
2876 }
2877
5fe801a7 2878 sony_nc_function_cleanup(sony_pf_device);
2a4f0c81 2879 sony_nc_handles_cleanup(sony_pf_device);
56b8756b 2880 sony_pf_remove();
1549ee6f 2881 sony_laptop_remove_input();
f6119b02 2882 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
7f09c432
SP		 2883
2884 return 0;
2885}
2886
1ba90e3a
TR		 2887static const struct acpi_device_id sony_device_ids[] = {
2888 {SONY_NC_HID, 0},
2889 {SONY_PIC_HID, 0},
2890 {"", 0},
2891};
2892MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2893
2894static const struct acpi_device_id sony_nc_device_ids[] = {
2895 {SONY_NC_HID, 0},
2896 {"", 0},
2897};
2898
59b19106 2899static struct acpi_driver sony_nc_driver = {
2900 .name = SONY_NC_DRIVER_NAME,
2901 .class = SONY_NC_CLASS,
1ba90e3a 2902 .ids = sony_nc_device_ids,
33a04454 2903 .owner = THIS_MODULE,
a02d1c1d 2904 .ops = {
59b19106 2905 .add = sony_nc_add,
2906 .remove = sony_nc_remove,
8037d6e6 2907 .notify = sony_nc_notify,
a02d1c1d 2908 },
bb6b98d6 2909 .drv.pm = &sony_nc_pm,
3f4f461f
AM		 2910};
2911
33a04454 2912/*********** SPIC (SNY6001) Device ***********/
2913
2914#define SONYPI_DEVICE_TYPE1 0x00000001
2915#define SONYPI_DEVICE_TYPE2 0x00000002
2916#define SONYPI_DEVICE_TYPE3 0x00000004
2917
22a17780
MD		 2918#define SONYPI_TYPE1_OFFSET 0x04
2919#define SONYPI_TYPE2_OFFSET 0x12
2920#define SONYPI_TYPE3_OFFSET 0x12
33a04454 2921
33a04454 2922struct sony_pic_ioport {
fd1caaed
MD		 2923 struct acpi_resource_io io1;
2924 struct acpi_resource_io io2;
33a04454 2925 struct list_head list;
2926};
2927
2928struct sony_pic_irq {
2929 struct acpi_resource_irq irq;
2930 struct list_head list;
2931};
2932
de920430
MD		 2933struct sonypi_eventtypes {
2934 u8 data;
2935 unsigned long mask;
2936 struct sonypi_event *events;
2937};
2938
31df7144
MD		 2939struct sony_pic_dev {
2940 struct acpi_device *acpi_dev;
2941 struct sony_pic_irq *cur_irq;
2942 struct sony_pic_ioport *cur_ioport;
2943 struct list_head interrupts;
2944 struct list_head ioports;
2945 struct mutex lock;
2946 struct sonypi_eventtypes *event_types;
2947 int (*handle_irq)(const u8, const u8);
de920430 2948 int model;
de920430 2949 u16 evport_offset;
31df7144
MD		 2950 u8 camera_power;
2951 u8 bluetooth_power;
2952 u8 wwan_power;
33a04454 2953};
2954
2955static struct sony_pic_dev spic_dev = {
2956 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2957 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2958};
2959
5e6f9725
AJ		 2960static int spic_drv_registered;
2961
33a04454 2962/* Event masks */
2963#define SONYPI_JOGGER_MASK 0x00000001
2964#define SONYPI_CAPTURE_MASK 0x00000002
2965#define SONYPI_FNKEY_MASK 0x00000004
2966#define SONYPI_BLUETOOTH_MASK 0x00000008
2967#define SONYPI_PKEY_MASK 0x00000010
2968#define SONYPI_BACK_MASK 0x00000020
2969#define SONYPI_HELP_MASK 0x00000040
2970#define SONYPI_LID_MASK 0x00000080
2971#define SONYPI_ZOOM_MASK 0x00000100
2972#define SONYPI_THUMBPHRASE_MASK 0x00000200
2973#define SONYPI_MEYE_MASK 0x00000400
2974#define SONYPI_MEMORYSTICK_MASK 0x00000800
2975#define SONYPI_BATTERY_MASK 0x00001000
2976#define SONYPI_WIRELESS_MASK 0x00002000
2977
2978struct sonypi_event {
2979 u8 data;
2980 u8 event;
2981};
2982
2983/* The set of possible button release events */
2984static struct sonypi_event sonypi_releaseev[] = {
2985 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2986 { 0, 0 }
2987};
2988
2989/* The set of possible jogger events */
2990static struct sonypi_event sonypi_joggerev[] = {
2991 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2992 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2993 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2994 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2995 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2996 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2997 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2998 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2999 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3000 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3001 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3002 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3003 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3004 { 0, 0 }
3005};
3006
3007/* The set of possible capture button events */
3008static struct sonypi_event sonypi_captureev[] = {
3009 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3010 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3eb8749a 3011 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
33a04454 3012 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3013 { 0, 0 }
3014};
3015
3016/* The set of possible fnkeys events */
3017static struct sonypi_event sonypi_fnkeyev[] = {
3018 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3019 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3020 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3021 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3022 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3023 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3024 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3025 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3026 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3027 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3028 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3029 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3030 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3031 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3032 { 0x21, SONYPI_EVENT_FNKEY_1 },
3033 { 0x22, SONYPI_EVENT_FNKEY_2 },
3034 { 0x31, SONYPI_EVENT_FNKEY_D },
3035 { 0x32, SONYPI_EVENT_FNKEY_E },
3036 { 0x33, SONYPI_EVENT_FNKEY_F },
3037 { 0x34, SONYPI_EVENT_FNKEY_S },
3038 { 0x35, SONYPI_EVENT_FNKEY_B },
3039 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3040 { 0, 0 }
3041};
3042
3043/* The set of possible program key events */
3044static struct sonypi_event sonypi_pkeyev[] = {
3045 { 0x01, SONYPI_EVENT_PKEY_P1 },
3046 { 0x02, SONYPI_EVENT_PKEY_P2 },
3047 { 0x04, SONYPI_EVENT_PKEY_P3 },
1cae7103 3048 { 0x20, SONYPI_EVENT_PKEY_P1 },
33a04454 3049 { 0, 0 }
3050};
3051
3052/* The set of possible bluetooth events */
3053static struct sonypi_event sonypi_blueev[] = {
3054 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3055 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3056 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3057 { 0, 0 }
3058};
3059
3060/* The set of possible wireless events */
3061static struct sonypi_event sonypi_wlessev[] = {
4eeb5022
MD		 3062 { 0x59, SONYPI_EVENT_IGNORE },
3063 { 0x5a, SONYPI_EVENT_IGNORE },
33a04454 3064 { 0, 0 }
3065};
3066
3067/* The set of possible back button events */
3068static struct sonypi_event sonypi_backev[] = {
3069 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3070 { 0, 0 }
3071};
3072
3073/* The set of possible help button events */
3074static struct sonypi_event sonypi_helpev[] = {
3075 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3076 { 0, 0 }
3077};
3078
3079
3080/* The set of possible lid events */
3081static struct sonypi_event sonypi_lidev[] = {
3082 { 0x51, SONYPI_EVENT_LID_CLOSED },
3083 { 0x50, SONYPI_EVENT_LID_OPENED },
3084 { 0, 0 }
3085};
3086
3087/* The set of possible zoom events */
3088static struct sonypi_event sonypi_zoomev[] = {
3089 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3eb8749a
MD		 3090 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3091 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1cae7103 3092 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
33a04454 3093 { 0, 0 }
3094};
3095
3096/* The set of possible thumbphrase events */
3097static struct sonypi_event sonypi_thumbphraseev[] = {
3098 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3099 { 0, 0 }
3100};
3101
3102/* The set of possible motioneye camera events */
3103static struct sonypi_event sonypi_meyeev[] = {
3104 { 0x00, SONYPI_EVENT_MEYE_FACE },
3105 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3106 { 0, 0 }
3107};
3108
3109/* The set of possible memorystick events */
3110static struct sonypi_event sonypi_memorystickev[] = {
3111 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3112 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3113 { 0, 0 }
3114};
3115
3116/* The set of possible battery events */
3117static struct sonypi_event sonypi_batteryev[] = {
3118 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3119 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3120 { 0, 0 }
3121};
3122
1cae7103
HJ		 3123/* The set of possible volume events */
3124static struct sonypi_event sonypi_volumeev[] = {
3125 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3126 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3127 { 0, 0 }
3128};
3129
3130/* The set of possible brightness events */
3131static struct sonypi_event sonypi_brightnessev[] = {
3132 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3133 { 0, 0 }
3134};
3135
de920430
MD		 3136static struct sonypi_eventtypes type1_events[] = {
3137 { 0, 0xffffffff, sonypi_releaseev },
3138 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3139 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3140 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3141 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3142 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3143 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3144 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3145 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3146 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3147 { 0 },
3148};
3149static struct sonypi_eventtypes type2_events[] = {
3150 { 0, 0xffffffff, sonypi_releaseev },
3151 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3152 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3153 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3154 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3155 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3156 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3157 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3158 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3159 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3160 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3161 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3162 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3163 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3164 { 0 },
3165};
3166static struct sonypi_eventtypes type3_events[] = {
3167 { 0, 0xffffffff, sonypi_releaseev },
3168 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3169 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3170 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3171 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3172 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3eb8749a
MD		 3173 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3174 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3175 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1cae7103
HJ		 3176 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3177 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3eb8749a 3178 { 0 },
de920430
MD		 3179};
3180
3eb8749a 3181/* low level spic calls */
33a04454 3182#define ITERATIONS_LONG 10000
3183#define ITERATIONS_SHORT 10
3184#define wait_on_command(command, iterations) { \
3185 unsigned int n = iterations; \
3186 while (--n && (command)) \
3187 udelay(1); \
3188 if (!n) \
3189 dprintk("command failed at %s : %s (line %d)\n", \
6e574195 3190 __FILE__, __func__, __LINE__); \
33a04454 3191}
3192
3193static u8 sony_pic_call1(u8 dev)
3194{
3195 u8 v1, v2;
3196
fd1caaed 3197 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
33a04454 3198 ITERATIONS_LONG);
fd1caaed
MD		 3199 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3200 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3201 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
75a1f9ce 3202 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
33a04454 3203 return v2;
3204}
3205
3206static u8 sony_pic_call2(u8 dev, u8 fn)
3207{
3208 u8 v1;
3209
fd1caaed 3210 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
33a04454 3211 ITERATIONS_LONG);
fd1caaed
MD		 3212 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3213 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
33a04454 3214 ITERATIONS_LONG);
fd1caaed
MD		 3215 outb(fn, spic_dev.cur_ioport->io1.minimum);
3216 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
75a1f9ce 3217 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
33a04454 3218 return v1;
3219}
3220
49a11dea 3221static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3222{
3223 u8 v1;
3224
fd1caaed
MD		 3225 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3226 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3227 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3228 outb(fn, spic_dev.cur_ioport->io1.minimum);
3229 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3230 outb(v, spic_dev.cur_ioport->io1.minimum);
3231 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
75a1f9ce
MD		 3232 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3233 dev, fn, v, v1);
49a11dea 3234 return v1;
3235}
3236
3eb8749a
MD		 3237/*
3238 * minidrivers for SPIC models
3239 */
e93c8a68 3240static int type3_handle_irq(const u8 data_mask, const u8 ev)
3eb8749a
MD		 3241{
3242 /*
3243 * 0x31 could mean we have to take some extra action and wait for
e93c8a68 3244 * the next irq for some Type3 models, it will generate a new
3eb8749a
MD		 3245 * irq and we can read new data from the device:
3246 * - 0x5c and 0x5f requires 0xA0
3247 * - 0x61 requires 0xB3
3248 */
3249 if (data_mask == 0x31) {
3250 if (ev == 0x5c || ev == 0x5f)
3251 sony_pic_call1(0xA0);
3252 else if (ev == 0x61)
3253 sony_pic_call1(0xB3);
3254 return 0;
3255 }
3256 return 1;
3257}
3258
3eb8749a
MD		 3259static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3260{
3261 struct pci_dev *pcidev;
3262
3263 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3264 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3265 if (pcidev) {
31df7144
MD		 3266 dev->model = SONYPI_DEVICE_TYPE1;
3267 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3268 dev->event_types = type1_events;
3eb8749a
MD		 3269 goto out;
3270 }
3271
3272 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3273 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3274 if (pcidev) {
31df7144
MD		 3275 dev->model = SONYPI_DEVICE_TYPE2;
3276 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3277 dev->event_types = type2_events;
3eb8749a
MD		 3278 goto out;
3279 }
3280
3281 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3282 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3283 if (pcidev) {
31df7144
MD		 3284 dev->model = SONYPI_DEVICE_TYPE3;
3285 dev->handle_irq = type3_handle_irq;
3286 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3287 dev->event_types = type3_events;
3eb8749a
MD		 3288 goto out;
3289 }
3290
3291 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3292 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3293 if (pcidev) {
31df7144
MD		 3294 dev->model = SONYPI_DEVICE_TYPE3;
3295 dev->handle_irq = type3_handle_irq;
3296 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3297 dev->event_types = type3_events;
3eb8749a
MD		 3298 goto out;
3299 }
3300
d5b02695
IM		 3301 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3302 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3303 if (pcidev) {
31df7144
MD		 3304 dev->model = SONYPI_DEVICE_TYPE3;
3305 dev->handle_irq = type3_handle_irq;
3306 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3307 dev->event_types = type3_events;
d5b02695
IM		 3308 goto out;
3309 }
3310
3eb8749a 3311 /* default */
31df7144
MD		 3312 dev->model = SONYPI_DEVICE_TYPE2;
3313 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3314 dev->event_types = type2_events;
3eb8749a
MD		 3315
3316out:
3317 if (pcidev)
3318 pci_dev_put(pcidev);
3319
50f581a4
JP		 3320 pr_info("detected Type%d model\n",
3321 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3322 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3eb8749a
MD		 3323}
3324
49a11dea 3325/* camera tests and poweron/poweroff */
3326#define SONYPI_CAMERA_PICTURE 5
49a11dea 3327#define SONYPI_CAMERA_CONTROL 0x10
e364632e 3328
3329#define SONYPI_CAMERA_BRIGHTNESS 0
3330#define SONYPI_CAMERA_CONTRAST 1
3331#define SONYPI_CAMERA_HUE 2
3332#define SONYPI_CAMERA_COLOR 3
3333#define SONYPI_CAMERA_SHARPNESS 4
3334
3335#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3336#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3337#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3338#define SONYPI_CAMERA_MUTE_MASK 0x40
3339
3340/* the rest don't need a loop until not 0xff */
3341#define SONYPI_CAMERA_AGC 6
3342#define SONYPI_CAMERA_AGC_MASK 0x30
3343#define SONYPI_CAMERA_SHUTTER_MASK 0x7
3344
3345#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3346#define SONYPI_CAMERA_CONTROL 0x10
3347
3348#define SONYPI_CAMERA_STATUS 7
3349#define SONYPI_CAMERA_STATUS_READY 0x2
3350#define SONYPI_CAMERA_STATUS_POSITION 0x4
3351
3352#define SONYPI_DIRECTION_BACKWARDS 0x4
3353
3354#define SONYPI_CAMERA_REVISION 8
3355#define SONYPI_CAMERA_ROMVERSION 9
49a11dea 3356
9f9f0761 3357static int __sony_pic_camera_ready(void)
49a11dea 3358{
3359 u8 v;
3360
3361 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3362 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3363}
3364
e364632e 3365static int __sony_pic_camera_off(void)
49a11dea 3366{
5f3d2898 3367 if (!camera) {
50f581a4 3368 pr_warn("camera control not enabled\n");
5f3d2898 3369 return -ENODEV;
3370 }
3371
49a11dea 3372 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3373 SONYPI_CAMERA_MUTE_MASK),
3374 ITERATIONS_SHORT);
3375
5f3d2898 3376 if (spic_dev.camera_power) {
3377 sony_pic_call2(0x91, 0);
3378 spic_dev.camera_power = 0;
3379 }
3380 return 0;
49a11dea 3381}
3382
e364632e 3383static int __sony_pic_camera_on(void)
49a11dea 3384{
5f3d2898 3385 int i, j, x;
3386
3387 if (!camera) {
50f581a4 3388 pr_warn("camera control not enabled\n");
5f3d2898 3389 return -ENODEV;
3390 }
49a11dea 3391
3392 if (spic_dev.camera_power)
e364632e 3393 return 0;
49a11dea 3394
3395 for (j = 5; j > 0; j--) {
3396
5f3d2898 3397 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
49a11dea 3398 msleep(10);
3399 sony_pic_call1(0x93);
3400
3401 for (i = 400; i > 0; i--) {
9f9f0761 3402 if (__sony_pic_camera_ready())
49a11dea 3403 break;
3404 msleep(10);
3405 }
3406 if (i)
3407 break;
3408 }
3409
3410 if (j == 0) {
50f581a4 3411 pr_warn("failed to power on camera\n");
e364632e 3412 return -ENODEV;
49a11dea 3413 }
3414
3415 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3416 0x5a),
3417 ITERATIONS_SHORT);
3418
3419 spic_dev.camera_power = 1;
5f3d2898 3420 return 0;
49a11dea 3421}
3422
e364632e 3423/* External camera command (exported to the motion eye v4l driver) */
3424int sony_pic_camera_command(int command, u8 value)
3425{
3426 if (!camera)
3427 return -EIO;
3428
3429 mutex_lock(&spic_dev.lock);
3430
3431 switch (command) {
1ce82c14 3432 case SONY_PIC_COMMAND_SETCAMERA:
e364632e 3433 if (value)
3434 __sony_pic_camera_on();
3435 else
3436 __sony_pic_camera_off();
3437 break;
1ce82c14 3438 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
e364632e 3439 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3440 ITERATIONS_SHORT);
3441 break;
1ce82c14 3442 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
e364632e 3443 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3444 ITERATIONS_SHORT);
3445 break;
1ce82c14 3446 case SONY_PIC_COMMAND_SETCAMERAHUE:
e364632e 3447 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3448 ITERATIONS_SHORT);
3449 break;
1ce82c14 3450 case SONY_PIC_COMMAND_SETCAMERACOLOR:
e364632e 3451 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3452 ITERATIONS_SHORT);
3453 break;
1ce82c14 3454 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
e364632e 3455 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3456 ITERATIONS_SHORT);
3457 break;
1ce82c14 3458 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
e364632e 3459 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3460 ITERATIONS_SHORT);
3461 break;
1ce82c14 3462 case SONY_PIC_COMMAND_SETCAMERAAGC:
e364632e 3463 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3464 ITERATIONS_SHORT);
3465 break;
3466 default:
50f581a4 3467 pr_err("sony_pic_camera_command invalid: %d\n", command);
e364632e 3468 break;
3469 }
3470 mutex_unlock(&spic_dev.lock);
3471 return 0;
3472}
3473EXPORT_SYMBOL(sony_pic_camera_command);
3474
9476cdfa 3475/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
c9f1e6f6 3476static void __sony_pic_set_wwanpower(u8 state)
9476cdfa 3477{
3478 state = !!state;
c9f1e6f6 3479 if (spic_dev.wwan_power == state)
9476cdfa 3480 return;
9476cdfa 3481 sony_pic_call2(0xB0, state);
3ad1b761 3482 sony_pic_call1(0x82);
9476cdfa 3483 spic_dev.wwan_power = state;
9476cdfa 3484}
3485
3486static ssize_t sony_pic_wwanpower_store(struct device *dev,
3487 struct device_attribute *attr,
3488 const char *buffer, size_t count)
3489{
3490 unsigned long value;
3491 if (count > 31)
3492 return -EINVAL;
3493
9e123379
MD		 3494 if (kstrtoul(buffer, 10, &value))
3495 return -EINVAL;
3496
c9f1e6f6
MD		 3497 mutex_lock(&spic_dev.lock);
3498 __sony_pic_set_wwanpower(value);
3499 mutex_unlock(&spic_dev.lock);
9476cdfa 3500
3501 return count;
3502}
3503
3504static ssize_t sony_pic_wwanpower_show(struct device *dev,
3505 struct device_attribute *attr, char *buffer)
3506{
3507 ssize_t count;
3508 mutex_lock(&spic_dev.lock);
3509 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3510 mutex_unlock(&spic_dev.lock);
3511 return count;
3512}
3513
49a11dea 3514/* bluetooth subsystem power state */
9f9f0761 3515static void __sony_pic_set_bluetoothpower(u8 state)
49a11dea 3516{
3517 state = !!state;
3518 if (spic_dev.bluetooth_power == state)
3519 return;
3520 sony_pic_call2(0x96, state);
3521 sony_pic_call1(0x82);
3522 spic_dev.bluetooth_power = state;
3523}
3524
3525static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3526 struct device_attribute *attr,
3527 const char *buffer, size_t count)
3528{
3529 unsigned long value;
3530 if (count > 31)
3531 return -EINVAL;
3532
9e123379
MD		 3533 if (kstrtoul(buffer, 10, &value))
3534 return -EINVAL;
3535
9f9f0761 3536 mutex_lock(&spic_dev.lock);
3537 __sony_pic_set_bluetoothpower(value);
3538 mutex_unlock(&spic_dev.lock);
49a11dea 3539
3540 return count;
3541}
3542
3543static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3544 struct device_attribute *attr, char *buffer)
3545{
9f9f0761 3546 ssize_t count = 0;
3547 mutex_lock(&spic_dev.lock);
3548 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3549 mutex_unlock(&spic_dev.lock);
3550 return count;
49a11dea 3551}
3552
3553/* fan speed */
3554/* FAN0 information (reverse engineered from ACPI tables) */
3555#define SONY_PIC_FAN0_STATUS 0x93
7b153f36 3556static int sony_pic_set_fanspeed(unsigned long value)
3557{
3558 return ec_write(SONY_PIC_FAN0_STATUS, value);
3559}
3560
3561static int sony_pic_get_fanspeed(u8 *value)
3562{
3563 return ec_read(SONY_PIC_FAN0_STATUS, value);
3564}
3565
49a11dea 3566static ssize_t sony_pic_fanspeed_store(struct device *dev,
3567 struct device_attribute *attr,
3568 const char *buffer, size_t count)
3569{
3570 unsigned long value;
3571 if (count > 31)
3572 return -EINVAL;
3573
9e123379
MD		 3574 if (kstrtoul(buffer, 10, &value))
3575 return -EINVAL;
3576
7b153f36 3577 if (sony_pic_set_fanspeed(value))
49a11dea 3578 return -EIO;
3579
3580 return count;
3581}
3582
3583static ssize_t sony_pic_fanspeed_show(struct device *dev,
3584 struct device_attribute *attr, char *buffer)
3585{
3586 u8 value = 0;
7b153f36 3587 if (sony_pic_get_fanspeed(&value))
49a11dea 3588 return -EIO;
3589
3590 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3591}
3592
3593#define SPIC_ATTR(_name, _mode) \
3594struct device_attribute spic_attr_##_name = __ATTR(_name, \
3595 _mode, sony_pic_## _name ##_show, \
3596 sony_pic_## _name ##_store)
3597
49a11dea 3598static SPIC_ATTR(bluetoothpower, 0644);
9476cdfa 3599static SPIC_ATTR(wwanpower, 0644);
49a11dea 3600static SPIC_ATTR(fanspeed, 0644);
3601
3602static struct attribute *spic_attributes[] = {
49a11dea 3603 &spic_attr_bluetoothpower.attr,
9476cdfa 3604 &spic_attr_wwanpower.attr,
49a11dea 3605 &spic_attr_fanspeed.attr,
3606 NULL
3607};
3608
3609static struct attribute_group spic_attribute_group = {
3610 .attrs = spic_attributes
3611};
3612
7b153f36 3613/******** SONYPI compatibility **********/
a64e62a0 3614#ifdef CONFIG_SONYPI_COMPAT
7b153f36 3615
3616/* battery / brightness / temperature addresses */
3617#define SONYPI_BAT_FLAGS 0x81
3618#define SONYPI_LCD_LIGHT 0x96
3619#define SONYPI_BAT1_PCTRM 0xa0
3620#define SONYPI_BAT1_LEFT 0xa2
3621#define SONYPI_BAT1_MAXRT 0xa4
3622#define SONYPI_BAT2_PCTRM 0xa8
3623#define SONYPI_BAT2_LEFT 0xaa
3624#define SONYPI_BAT2_MAXRT 0xac
3625#define SONYPI_BAT1_MAXTK 0xb0
3626#define SONYPI_BAT1_FULL 0xb2
3627#define SONYPI_BAT2_MAXTK 0xb8
3628#define SONYPI_BAT2_FULL 0xba
3629#define SONYPI_TEMP_STATUS 0xC1
3630
3631struct sonypi_compat_s {
3632 struct fasync_struct *fifo_async;
45465487 3633 struct kfifo fifo;
7b153f36 3634 spinlock_t fifo_lock;
3635 wait_queue_head_t fifo_proc_list;
3636 atomic_t open_count;
3637};
3638static struct sonypi_compat_s sonypi_compat = {
3639 .open_count = ATOMIC_INIT(0),
3640};
3641
3642static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3643{
60aa4924 3644 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
7b153f36 3645}
3646
3647static int sonypi_misc_release(struct inode *inode, struct file *file)
3648{
7b153f36 3649 atomic_dec(&sonypi_compat.open_count);
3650 return 0;
3651}
3652
3653static int sonypi_misc_open(struct inode *inode, struct file *file)
3654{
3655 /* Flush input queue on first open */
4ef4cbb3
AIB		 3656 unsigned long flags;
3657
45465487 3658 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4ef4cbb3 3659
7b153f36 3660 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
e64c026d 3661 kfifo_reset(&sonypi_compat.fifo);
4ef4cbb3 3662
45465487 3663 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4ef4cbb3 3664
7b153f36 3665 return 0;
3666}
3667
3668static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3669 size_t count, loff_t *pos)
3670{
3671 ssize_t ret;
3672 unsigned char c;
3673
45465487 3674 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
7b153f36 3675 (file->f_flags & O_NONBLOCK))
3676 return -EAGAIN;
3677
3678 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
45465487 3679 kfifo_len(&sonypi_compat.fifo) != 0);
7b153f36 3680 if (ret)
3681 return ret;
3682
3683 while (ret < count &&
7acd72eb 3684 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
c1e13f25 3685 &sonypi_compat.fifo_lock) == sizeof(c))) {
7b153f36 3686 if (put_user(c, buf++))
3687 return -EFAULT;
3688 ret++;
3689 }
3690
3691 if (ret > 0) {
496ad9aa 3692 struct inode *inode = file_inode(file);
7b153f36 3693 inode->i_atime = current_fs_time(inode->i_sb);
3694 }
3695
3696 return ret;
3697}
3698
3699static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3700{
3701 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
45465487 3702 if (kfifo_len(&sonypi_compat.fifo))
7b153f36 3703 return POLLIN | POLLRDNORM;
3704 return 0;
3705}
3706
3707static int ec_read16(u8 addr, u16 *value)
3708{
3709 u8 val_lb, val_hb;
3710 if (ec_read(addr, &val_lb))
3711 return -1;
3712 if (ec_read(addr + 1, &val_hb))
3713 return -1;
3714 *value = val_lb | (val_hb << 8);
3715 return 0;
3716}
3717
2b24ef09
AC		 3718static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3719 unsigned long arg)
7b153f36 3720{
3721 int ret = 0;
3722 void __user *argp = (void __user *)arg;
3723 u8 val8;
3724 u16 val16;
3725 int value;
3726
9f9f0761 3727 mutex_lock(&spic_dev.lock);
7b153f36 3728 switch (cmd) {
3729 case SONYPI_IOCGBRT:
62d2f23e 3730 if (sony_bl_props.dev == NULL) {
7b153f36 3731 ret = -EIO;
3732 break;
3733 }
ebcef1b0
MD		 3734 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3735 &value)) {
7b153f36 3736 ret = -EIO;
3737 break;
3738 }
3739 val8 = ((value & 0xff) - 1) << 5;
3740 if (copy_to_user(argp, &val8, sizeof(val8)))
3741 ret = -EFAULT;
3742 break;
3743 case SONYPI_IOCSBRT:
62d2f23e 3744 if (sony_bl_props.dev == NULL) {
7b153f36 3745 ret = -EIO;
3746 break;
3747 }
3748 if (copy_from_user(&val8, argp, sizeof(val8))) {
3749 ret = -EFAULT;
3750 break;
3751 }
ebcef1b0
MD		 3752 value = (val8 >> 5) + 1;
3753 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3754 NULL)) {
7b153f36 3755 ret = -EIO;
3756 break;
3757 }
3758 /* sync the backlight device status */
62d2f23e
MD		 3759 sony_bl_props.dev->props.brightness =
3760 sony_backlight_get_brightness(sony_bl_props.dev);
7b153f36 3761 break;
3762 case SONYPI_IOCGBAT1CAP:
3763 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3764 ret = -EIO;
3765 break;
3766 }
3767 if (copy_to_user(argp, &val16, sizeof(val16)))
3768 ret = -EFAULT;
3769 break;
3770 case SONYPI_IOCGBAT1REM:
3771 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3772 ret = -EIO;
3773 break;
3774 }
3775 if (copy_to_user(argp, &val16, sizeof(val16)))
3776 ret = -EFAULT;
3777 break;
3778 case SONYPI_IOCGBAT2CAP:
3779 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3780 ret = -EIO;
3781 break;
3782 }
3783 if (copy_to_user(argp, &val16, sizeof(val16)))
3784 ret = -EFAULT;
3785 break;
3786 case SONYPI_IOCGBAT2REM:
3787 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3788 ret = -EIO;
3789 break;
3790 }
3791 if (copy_to_user(argp, &val16, sizeof(val16)))
3792 ret = -EFAULT;
3793 break;
3794 case SONYPI_IOCGBATFLAGS:
3795 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3796 ret = -EIO;
3797 break;
3798 }
3799 val8 &= 0x07;
3800 if (copy_to_user(argp, &val8, sizeof(val8)))
3801 ret = -EFAULT;
3802 break;
3803 case SONYPI_IOCGBLUE:
3804 val8 = spic_dev.bluetooth_power;
3805 if (copy_to_user(argp, &val8, sizeof(val8)))
3806 ret = -EFAULT;
3807 break;
3808 case SONYPI_IOCSBLUE:
3809 if (copy_from_user(&val8, argp, sizeof(val8))) {
3810 ret = -EFAULT;
3811 break;
3812 }
9f9f0761 3813 __sony_pic_set_bluetoothpower(val8);
7b153f36 3814 break;
3815 /* FAN Controls */
3816 case SONYPI_IOCGFAN:
3817 if (sony_pic_get_fanspeed(&val8)) {
3818 ret = -EIO;
3819 break;
3820 }
3821 if (copy_to_user(argp, &val8, sizeof(val8)))
3822 ret = -EFAULT;
3823 break;
3824 case SONYPI_IOCSFAN:
3825 if (copy_from_user(&val8, argp, sizeof(val8))) {
3826 ret = -EFAULT;
3827 break;
3828 }
3829 if (sony_pic_set_fanspeed(val8))
3830 ret = -EIO;
3831 break;
3832 /* GET Temperature (useful under APM) */
3833 case SONYPI_IOCGTEMP:
3834 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3835 ret = -EIO;
3836 break;
3837 }
3838 if (copy_to_user(argp, &val8, sizeof(val8)))
3839 ret = -EFAULT;
3840 break;
3841 default:
3842 ret = -EINVAL;
3843 }
9f9f0761 3844 mutex_unlock(&spic_dev.lock);
7b153f36 3845 return ret;
3846}
3847
3848static const struct file_operations sonypi_misc_fops = {
3849 .owner = THIS_MODULE,
3850 .read = sonypi_misc_read,
3851 .poll = sonypi_misc_poll,
3852 .open = sonypi_misc_open,
3853 .release = sonypi_misc_release,
3854 .fasync = sonypi_misc_fasync,
2b24ef09 3855 .unlocked_ioctl = sonypi_misc_ioctl,
6038f373 3856 .llseek = noop_llseek,
7b153f36 3857};
3858
3859static struct miscdevice sonypi_misc_device = {
3860 .minor = MISC_DYNAMIC_MINOR,
3861 .name = "sonypi",
3862 .fops = &sonypi_misc_fops,
3863};
3864
3865static void sonypi_compat_report_event(u8 event)
3866{
7acd72eb 3867 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
c1e13f25 3868 sizeof(event), &sonypi_compat.fifo_lock);
7b153f36 3869 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3870 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3871}
3872
3873static int sonypi_compat_init(void)
3874{
3875 int error;
3876
3877 spin_lock_init(&sonypi_compat.fifo_lock);
45465487 3878 error =
c1e13f25 3879 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
45465487 3880 if (error) {
50f581a4 3881 pr_err("kfifo_alloc failed\n");
45465487 3882 return error;
7b153f36 3883 }
3884
3885 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
7b153f36 3886
3887 if (minor != -1)
3888 sonypi_misc_device.minor = minor;
3889 error = misc_register(&sonypi_misc_device);
3890 if (error) {
50f581a4 3891 pr_err("misc_register failed\n");
7b153f36 3892 goto err_free_kfifo;
3893 }
3894 if (minor == -1)
50f581a4
JP		 3895 pr_info("device allocated minor is %d\n",
3896 sonypi_misc_device.minor);
7b153f36 3897
3898 return 0;
3899
3900err_free_kfifo:
45465487 3901 kfifo_free(&sonypi_compat.fifo);
7b153f36 3902 return error;
3903}
3904
3905static void sonypi_compat_exit(void)
3906{
3907 misc_deregister(&sonypi_misc_device);
45465487 3908 kfifo_free(&sonypi_compat.fifo);
7b153f36 3909}
3910#else
3911static int sonypi_compat_init(void) { return 0; }
3912static void sonypi_compat_exit(void) { }
3913static void sonypi_compat_report_event(u8 event) { }
a64e62a0 3914#endif /* CONFIG_SONYPI_COMPAT */
7b153f36 3915
1549ee6f 3916/*
33a04454 3917 * ACPI callbacks
1549ee6f 3918 */
33a04454 3919static acpi_status
3920sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3921{
3922 u32 i;
3923 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3924
3925 switch (resource->type) {
3926 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
fd1caaed
MD		 3927 {
3928 /* start IO enumeration */
3929 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3930 if (!ioport)
3931 return AE_ERROR;
3932
3933 list_add(&ioport->list, &dev->ioports);
3934 return AE_OK;
3935 }
3936
33a04454 3937 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
fd1caaed 3938 /* end IO enumeration */
33a04454 3939 return AE_OK;
3940
3941 case ACPI_RESOURCE_TYPE_IRQ:
3942 {
3943 struct acpi_resource_irq *p = &resource->data.irq;
3944 struct sony_pic_irq *interrupt = NULL;
3945 if (!p || !p->interrupt_count) {
3946 /*
3947 * IRQ descriptors may have no IRQ# bits set,
3948 * particularly those those w/ _STA disabled
3949 */
3950 dprintk("Blank IRQ resource\n");
3951 return AE_OK;
3952 }
3953 for (i = 0; i < p->interrupt_count; i++) {
3954 if (!p->interrupts[i]) {
50f581a4
JP		 3955 pr_warn("Invalid IRQ %d\n",
3956 p->interrupts[i]);
33a04454 3957 continue;
3958 }
3959 interrupt = kzalloc(sizeof(*interrupt),
3960 GFP_KERNEL);
3961 if (!interrupt)
3962 return AE_ERROR;
3963
fd1caaed 3964 list_add(&interrupt->list, &dev->interrupts);
33a04454 3965 interrupt->irq.triggering = p->triggering;
3966 interrupt->irq.polarity = p->polarity;
3967 interrupt->irq.sharable = p->sharable;
3968 interrupt->irq.interrupt_count = 1;
3969 interrupt->irq.interrupts[0] = p->interrupts[i];
3970 }
3971 return AE_OK;
3972 }
3973 case ACPI_RESOURCE_TYPE_IO:
3974 {
3975 struct acpi_resource_io *io = &resource->data.io;
fd1caaed
MD		 3976 struct sony_pic_ioport *ioport =
3977 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
33a04454 3978 if (!io) {
3979 dprintk("Blank IO resource\n");
3980 return AE_OK;
3981 }
3982
fd1caaed
MD		 3983 if (!ioport->io1.minimum) {
3984 memcpy(&ioport->io1, io, sizeof(*io));
3985 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3986 ioport->io1.address_length);
3987 }
3988 else if (!ioport->io2.minimum) {
3989 memcpy(&ioport->io2, io, sizeof(*io));
3990 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3991 ioport->io2.address_length);
3992 }
3993 else {
50f581a4 3994 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
33a04454 3995 return AE_ERROR;
fd1caaed 3996 }
33a04454 3997 return AE_OK;
3998 }
3999 default:
4000 dprintk("Resource %d isn't an IRQ nor an IO port\n",
50f581a4 4001 resource->type);
33a04454 4002
4003 case ACPI_RESOURCE_TYPE_END_TAG:
4004 return AE_OK;
4005 }
4006 return AE_CTRL_TERMINATE;
4007}
4008
4009static int sony_pic_possible_resources(struct acpi_device *device)
4010{
4011 int result = 0;
4012 acpi_status status = AE_OK;
4013
4014 if (!device)
4015 return -EINVAL;
4016
4017 /* get device status */
4018 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4019 dprintk("Evaluating _STA\n");
4020 result = acpi_bus_get_status(device);
4021 if (result) {
50f581a4 4022 pr_warn("Unable to read status\n");
33a04454 4023 goto end;
4024 }
4025
4026 if (!device->status.enabled)
4027 dprintk("Device disabled\n");
4028 else
4029 dprintk("Device enabled\n");
4030
4031 /*
4032 * Query and parse 'method'
4033 */
4034 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4035 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4036 sony_pic_read_possible_resource, &spic_dev);
4037 if (ACPI_FAILURE(status)) {
50f581a4 4038 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
33a04454 4039 result = -ENODEV;
4040 }
4041end:
4042 return result;
4043}
4044
4045/*
4046 * Disable the spic device by calling its _DIS method
4047 */
4048static int sony_pic_disable(struct acpi_device *device)
4049{
6158d3a2
MG		 4050 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4051 NULL);
4052
4053 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
33a04454 4054 return -ENXIO;
4055
4056 dprintk("Device disabled\n");
4057 return 0;
4058}
4059
4060
4061/*
4062 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4063 *
4064 * Call _SRS to set current resources
4065 */
4066static int sony_pic_enable(struct acpi_device *device,
4067 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4068{
4069 acpi_status status;
4070 int result = 0;
fd1caaed
MD		 4071 /* Type 1 resource layout is:
4072 * IO
4073 * IO
4074 * IRQNoFlags
4075 * End
4076 *
4077 * Type 2 and 3 resource layout is:
4078 * IO
4079 * IRQNoFlags
4080 * End
4081 */
33a04454 4082 struct {
fd1caaed
MD		 4083 struct acpi_resource res1;
4084 struct acpi_resource res2;
4085 struct acpi_resource res3;
4086 struct acpi_resource res4;
33a04454 4087 } *resource;
4088 struct acpi_buffer buffer = { 0, NULL };
4089
4090 if (!ioport || !irq)
4091 return -EINVAL;
4092
4093 /* init acpi_buffer */
4094 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4095 if (!resource)
4096 return -ENOMEM;
4097
4098 buffer.length = sizeof(*resource) + 1;
4099 buffer.pointer = resource;
4100
fd1caaed 4101 /* setup Type 1 resources */
31df7144 4102 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
33a04454 4103
fd1caaed
MD		 4104 /* setup io resources */
4105 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4106 resource->res1.length = sizeof(struct acpi_resource);
4107 memcpy(&resource->res1.data.io, &ioport->io1,
4108 sizeof(struct acpi_resource_io));
33a04454 4109
fd1caaed
MD		 4110 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4111 resource->res2.length = sizeof(struct acpi_resource);
4112 memcpy(&resource->res2.data.io, &ioport->io2,
4113 sizeof(struct acpi_resource_io));
4114
4115 /* setup irq resource */
4116 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4117 resource->res3.length = sizeof(struct acpi_resource);
4118 memcpy(&resource->res3.data.irq, &irq->irq,
4119 sizeof(struct acpi_resource_irq));
4120 /* we requested a shared irq */
4121 resource->res3.data.irq.sharable = ACPI_SHARED;
4122
4123 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
f084dbb9 4124 resource->res4.length = sizeof(struct acpi_resource);
fd1caaed
MD		 4125 }
4126 /* setup Type 2/3 resources */
4127 else {
4128 /* setup io resource */
4129 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4130 resource->res1.length = sizeof(struct acpi_resource);
4131 memcpy(&resource->res1.data.io, &ioport->io1,
4132 sizeof(struct acpi_resource_io));
4133
4134 /* setup irq resource */
4135 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4136 resource->res2.length = sizeof(struct acpi_resource);
4137 memcpy(&resource->res2.data.irq, &irq->irq,
4138 sizeof(struct acpi_resource_irq));
4139 /* we requested a shared irq */
4140 resource->res2.data.irq.sharable = ACPI_SHARED;
4141
4142 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
f084dbb9 4143 resource->res3.length = sizeof(struct acpi_resource);
fd1caaed 4144 }
33a04454 4145
4146 /* Attempt to set the resource */
4147 dprintk("Evaluating _SRS\n");
4148 status = acpi_set_current_resources(device->handle, &buffer);
4149
4150 /* check for total failure */
4151 if (ACPI_FAILURE(status)) {
50f581a4 4152 pr_err("Error evaluating _SRS\n");
33a04454 4153 result = -ENODEV;
4154 goto end;
4155 }
4156
4157 /* Necessary device initializations calls (from sonypi) */
4158 sony_pic_call1(0x82);
4159 sony_pic_call2(0x81, 0xff);
4160 sony_pic_call1(compat ? 0x92 : 0x82);
4161
4162end:
4163 kfree(resource);
4164 return result;
4165}
4166
4167/*****************
4168 *
4169 * ISR: some event is available
4170 *
4171 *****************/
4172static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4173{
4174 int i, j;
33a04454 4175 u8 ev = 0;
4176 u8 data_mask = 0;
4177 u8 device_event = 0;
4178
4179 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4180
fd1caaed
MD		 4181 ev = inb_p(dev->cur_ioport->io1.minimum);
4182 if (dev->cur_ioport->io2.minimum)
4183 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4184 else
de920430 4185 data_mask = inb_p(dev->cur_ioport->io1.minimum +
31df7144 4186 dev->evport_offset);
33a04454 4187
22a17780 4188 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
de920430 4189 ev, data_mask, dev->cur_ioport->io1.minimum,
31df7144 4190 dev->evport_offset);
33a04454 4191
4192 if (ev == 0x00 || ev == 0xff)
4193 return IRQ_HANDLED;
4194
31df7144 4195 for (i = 0; dev->event_types[i].mask; i++) {
33a04454 4196
31df7144
MD		 4197 if ((data_mask & dev->event_types[i].data) !=
4198 dev->event_types[i].data)
33a04454 4199 continue;
4200
31df7144 4201 if (!(mask & dev->event_types[i].mask))
33a04454 4202 continue;
4203
31df7144
MD		 4204 for (j = 0; dev->event_types[i].events[j].event; j++) {
4205 if (ev == dev->event_types[i].events[j].data) {
33a04454 4206 device_event =
31df7144 4207 dev->event_types[i].events[j].event;
4eeb5022
MD		 4208 /* some events may require ignoring */
4209 if (!device_event)
4210 return IRQ_HANDLED;
33a04454 4211 goto found;
4212 }
4213 }
4214 }
3eb8749a
MD		 4215 /* Still not able to decode the event try to pass
4216 * it over to the minidriver
4217 */
31df7144 4218 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
3eb8749a
MD		 4219 return IRQ_HANDLED;
4220
de920430
MD		 4221 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4222 ev, data_mask, dev->cur_ioport->io1.minimum,
31df7144 4223 dev->evport_offset);
33a04454 4224 return IRQ_HANDLED;
4225
4226found:
1549ee6f 4227 sony_laptop_report_input_event(device_event);
de920430 4228 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
7b153f36 4229 sonypi_compat_report_event(device_event);
33a04454 4230 return IRQ_HANDLED;
4231}
4232
4233/*****************
4234 *
4235 * ACPI driver
4236 *
4237 *****************/
51fac838 4238static int sony_pic_remove(struct acpi_device *device)
33a04454 4239{
4240 struct sony_pic_ioport *io, *tmp_io;
4241 struct sony_pic_irq *irq, *tmp_irq;
4242
4243 if (sony_pic_disable(device)) {
50f581a4 4244 pr_err("Couldn't disable device\n");
33a04454 4245 return -ENXIO;
4246 }
4247
4248 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
fd1caaed
MD		 4249 release_region(spic_dev.cur_ioport->io1.minimum,
4250 spic_dev.cur_ioport->io1.address_length);
4251 if (spic_dev.cur_ioport->io2.minimum)
4252 release_region(spic_dev.cur_ioport->io2.minimum,
4253 spic_dev.cur_ioport->io2.address_length);
33a04454 4254
015a916f
MD		 4255 sonypi_compat_exit();
4256
1549ee6f 4257 sony_laptop_remove_input();
33a04454 4258
49a11dea 4259 /* pf attrs */
4260 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4261 sony_pf_remove();
4262
33a04454 4263 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4264 list_del(&io->list);
4265 kfree(io);
4266 }
4267 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4268 list_del(&irq->list);
4269 kfree(irq);
4270 }
4271 spic_dev.cur_ioport = NULL;
4272 spic_dev.cur_irq = NULL;
4273
f6119b02 4274 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
33a04454 4275 return 0;
4276}
4277
4278static int sony_pic_add(struct acpi_device *device)
4279{
4280 int result;
4281 struct sony_pic_ioport *io, *tmp_io;
4282 struct sony_pic_irq *irq, *tmp_irq;
4283
50f581a4 4284 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
33a04454 4285
4286 spic_dev.acpi_dev = device;
4287 strcpy(acpi_device_class(device), "sony/hotkey");
de920430 4288 sony_pic_detect_device_type(&spic_dev);
9f9f0761 4289 mutex_init(&spic_dev.lock);
33a04454 4290
4291 /* read _PRS resources */
4292 result = sony_pic_possible_resources(device);
4293 if (result) {
50f581a4 4294 pr_err("Unable to read possible resources\n");
33a04454 4295 goto err_free_resources;
4296 }
4297
4298 /* setup input devices and helper fifo */
2e4d242c 4299 result = sony_laptop_setup_input(device);
33a04454 4300 if (result) {
50f581a4 4301 pr_err("Unable to create input devices\n");
33a04454 4302 goto err_free_resources;
4303 }
4304
015a916f
MD		 4305 if (sonypi_compat_init())
4306 goto err_remove_input;
4307
33a04454 4308 /* request io port */
fd1caaed
MD		 4309 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4310 if (request_region(io->io1.minimum, io->io1.address_length,
c8440336 4311 "Sony Programmable I/O Device")) {
fd1caaed
MD		 4312 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4313 io->io1.minimum, io->io1.maximum,
4314 io->io1.address_length);
4315 /* Type 1 have 2 ioports */
4316 if (io->io2.minimum) {
4317 if (request_region(io->io2.minimum,
4318 io->io2.address_length,
c8440336 4319 "Sony Programmable I/O Device")) {
fd1caaed
MD		 4320 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4321 io->io2.minimum, io->io2.maximum,
4322 io->io2.address_length);
4323 spic_dev.cur_ioport = io;
4324 break;
4325 }
4326 else {
4327 dprintk("Unable to get I/O port2: "
4328 "0x%.4x (0x%.4x) + 0x%.2x\n",
4329 io->io2.minimum, io->io2.maximum,
4330 io->io2.address_length);
4331 release_region(io->io1.minimum,
4332 io->io1.address_length);
4333 }
4334 }
4335 else {
4336 spic_dev.cur_ioport = io;
4337 break;
4338 }
33a04454 4339 }
4340 }
4341 if (!spic_dev.cur_ioport) {
50f581a4 4342 pr_err("Failed to request_region\n");
33a04454 4343 result = -ENODEV;
015a916f 4344 goto err_remove_compat;
33a04454 4345 }
4346
4347 /* request IRQ */
fd1caaed 4348 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
33a04454 4349 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
6a0d89c2 4350 0, "sony-laptop", &spic_dev)) {
33a04454 4351 dprintk("IRQ: %d - triggering: %d - "
4352 "polarity: %d - shr: %d\n",
4353 irq->irq.interrupts[0],
4354 irq->irq.triggering,
4355 irq->irq.polarity,
4356 irq->irq.sharable);
4357 spic_dev.cur_irq = irq;
4358 break;
4359 }
4360 }
4361 if (!spic_dev.cur_irq) {
50f581a4 4362 pr_err("Failed to request_irq\n");
33a04454 4363 result = -ENODEV;
4364 goto err_release_region;
4365 }
4366
4367 /* set resource status _SRS */
4368 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4369 if (result) {
50f581a4 4370 pr_err("Couldn't enable device\n");
33a04454 4371 goto err_free_irq;
4372 }
4373
49a11dea 4374 spic_dev.bluetooth_power = -1;
4375 /* create device attributes */
4376 result = sony_pf_add();
4377 if (result)
4378 goto err_disable_device;
4379
4380 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4381 if (result)
4382 goto err_remove_pf;
4383
33a04454 4384 return 0;
4385
49a11dea 4386err_remove_pf:
4387 sony_pf_remove();
4388
4389err_disable_device:
4390 sony_pic_disable(device);
4391
33a04454 4392err_free_irq:
4393 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4394
4395err_release_region:
fd1caaed
MD		 4396 release_region(spic_dev.cur_ioport->io1.minimum,
4397 spic_dev.cur_ioport->io1.address_length);
4398 if (spic_dev.cur_ioport->io2.minimum)
4399 release_region(spic_dev.cur_ioport->io2.minimum,
4400 spic_dev.cur_ioport->io2.address_length);
33a04454 4401
015a916f
MD		 4402err_remove_compat:
4403 sonypi_compat_exit();
4404
33a04454 4405err_remove_input:
1549ee6f 4406 sony_laptop_remove_input();
33a04454 4407
4408err_free_resources:
4409 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4410 list_del(&io->list);
4411 kfree(io);
4412 }
4413 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4414 list_del(&irq->list);
4415 kfree(irq);
4416 }
4417 spic_dev.cur_ioport = NULL;
4418 spic_dev.cur_irq = NULL;
4419
4420 return result;
4421}
4422
3567a4e2 4423#ifdef CONFIG_PM_SLEEP
bb6b98d6 4424static int sony_pic_suspend(struct device *dev)
33a04454 4425{
bb6b98d6 4426 if (sony_pic_disable(to_acpi_device(dev)))
33a04454 4427 return -ENXIO;
4428 return 0;
4429}
4430
bb6b98d6 4431static int sony_pic_resume(struct device *dev)
33a04454 4432{
bb6b98d6
RW		 4433 sony_pic_enable(to_acpi_device(dev),
4434 spic_dev.cur_ioport, spic_dev.cur_irq);
33a04454 4435 return 0;
4436}
3567a4e2 4437#endif
33a04454 4438
bb6b98d6
RW		 4439static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4440
1ba90e3a
TR		 4441static const struct acpi_device_id sony_pic_device_ids[] = {
4442 {SONY_PIC_HID, 0},
4443 {"", 0},
4444};
4445
33a04454 4446static struct acpi_driver sony_pic_driver = {
4447 .name = SONY_PIC_DRIVER_NAME,
4448 .class = SONY_PIC_CLASS,
1ba90e3a 4449 .ids = sony_pic_device_ids,
33a04454 4450 .owner = THIS_MODULE,
4451 .ops = {
4452 .add = sony_pic_add,
4453 .remove = sony_pic_remove,
33a04454 4454 },
bb6b98d6 4455 .drv.pm = &sony_pic_pm,
33a04454 4456};
4457
4458static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4459 {
4460 .ident = "Sony Vaio",
4461 .matches = {
4462 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4463 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4464 },
4465 },
4466 {
4467 .ident = "Sony Vaio",
4468 .matches = {
4469 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4470 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4471 },
4472 },
4473 { }
4474};
4475
59b19106 4476static int __init sony_laptop_init(void)
7f09c432 4477{
33a04454 4478 int result;
4479
4480 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4481 result = acpi_bus_register_driver(&sony_pic_driver);
4482 if (result) {
50f581a4 4483 pr_err("Unable to register SPIC driver\n");
33a04454 4484 goto out;
4485 }
5e6f9725 4486 spic_drv_registered = 1;
33a04454 4487 }
4488
4489 result = acpi_bus_register_driver(&sony_nc_driver);
4490 if (result) {
50f581a4 4491 pr_err("Unable to register SNC driver\n");
33a04454 4492 goto out_unregister_pic;
4493 }
4494
4495 return 0;
4496
4497out_unregister_pic:
5e6f9725 4498 if (spic_drv_registered)
33a04454 4499 acpi_bus_unregister_driver(&sony_pic_driver);
4500out:
4501 return result;
7f09c432
SP		 4502}
4503
59b19106 4504static void __exit sony_laptop_exit(void)
7f09c432 4505{
59b19106 4506 acpi_bus_unregister_driver(&sony_nc_driver);
5e6f9725 4507 if (spic_drv_registered)
33a04454 4508 acpi_bus_unregister_driver(&sony_pic_driver);
7f09c432
SP		 4509}
4510
59b19106 4511module_init(sony_laptop_init);
4512module_exit(sony_laptop_exit);
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