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sony-laptop: Port to new backlight interface selection API
[linux-2.6-block.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>
33a04454 64#include <linux/sonypi.h>
1ce82c14 65#include <linux/sony-laptop.h>
6cc056bc 66#include <linux/rfkill.h>
a64e62a0 67#ifdef CONFIG_SONYPI_COMPAT
7b153f36 68#include <linux/poll.h>
69#include <linux/miscdevice.h>
70#endif
8b48463f 71#include <asm/uaccess.h>
56d5c34a 72#include <acpi/video.h>
7f09c432 73
50f581a4
JP		 74#define dprintk(fmt, ...) \
75do { \
76 if (debug) \
77 pr_warn(fmt, ##__VA_ARGS__); \
b9a218b7 78} while (0)
79
33a04454 80#define SONY_NC_CLASS "sony-nc"
59b19106 81#define SONY_NC_HID "SNY5001"
f6119b02 82#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
50f62afb 83
33a04454 84#define SONY_PIC_CLASS "sony-pic"
85#define SONY_PIC_HID "SNY6001"
f6119b02 86#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
7f09c432 87
ed3aa4b7 88MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
33a04454 89MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
7f09c432
SP		 90MODULE_LICENSE("GPL");
91
92static int debug;
93module_param(debug, int, 0);
94MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
a02d1c1d 95 "the development of this driver");
7f09c432 96
33a04454 97static int no_spic; /* = 0 */
98module_param(no_spic, int, 0444);
99MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102static int compat; /* = 0 */
103module_param(compat, int, 0444);
104MODULE_PARM_DESC(compat,
7b153f36 105 "set this if you want to enable backward compatibility mode");
33a04454 106
107static unsigned long mask = 0xffffffff;
108module_param(mask, ulong, 0644);
109MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
5f3d2898 112static int camera; /* = 0 */
113module_param(camera, int, 0444);
114MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
a64e62a0 118#ifdef CONFIG_SONYPI_COMPAT
7b153f36 119static int minor = -1;
120module_param(minor, int, 0);
121MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124#endif
125
294d31e8 126static int kbd_backlight = -1;
bf155714
MD		 127module_param(kbd_backlight, int, 0444);
128MODULE_PARM_DESC(kbd_backlight,
129 "set this to 0 to disable keyboard backlight, "
0380d471
JA		 130 "1 to enable it with automatic control and 2 to have it always "
131 "on (default: no change from current value)");
bf155714 132
294d31e8 133static int kbd_backlight_timeout = -1;
bf155714
MD		 134module_param(kbd_backlight_timeout, int, 0444);
135MODULE_PARM_DESC(kbd_backlight_timeout,
294d31e8
MD		 136 "meaningful values vary from 0 to 3 and their meaning depends "
137 "on the model (default: no change from current value)");
bf155714 138
3567a4e2 139#ifdef CONFIG_PM_SLEEP
3567a4e2
RW		 140static void sony_nc_thermal_resume(void);
141#endif
aa33924f
MC		 142static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
143 unsigned int handle);
1d885f42
MD		 144static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
145 unsigned int handle);
df410d52 146
967145a0
MC		 147static int sony_nc_battery_care_setup(struct platform_device *pd,
148 unsigned int handle);
149static void sony_nc_battery_care_cleanup(struct platform_device *pd);
150
49f000ad
MC		 151static int sony_nc_thermal_setup(struct platform_device *pd);
152static void sony_nc_thermal_cleanup(struct platform_device *pd);
49f000ad 153
35312076
JA		 154static int sony_nc_lid_resume_setup(struct platform_device *pd,
155 unsigned int handle);
54535d08
MC		 156static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
157
3a7abcd8
MD		 158static int sony_nc_gfx_switch_setup(struct platform_device *pd,
159 unsigned int handle);
160static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
161static int __sony_nc_gfx_switch_status_get(void);
162
88bf1706
MC		 163static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
164static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
165
168de1ad
JA		 166static int sony_nc_lowbatt_setup(struct platform_device *pd);
167static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
168
c62f1539
JA		 169static int sony_nc_fanspeed_setup(struct platform_device *pd);
170static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
171
2a26f341
JA		 172static int sony_nc_usb_charge_setup(struct platform_device *pd);
173static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
174
9e04c908
JA		 175static int sony_nc_panelid_setup(struct platform_device *pd);
176static void sony_nc_panelid_cleanup(struct platform_device *pd);
177
d58dc780
JA		 178static int sony_nc_smart_conn_setup(struct platform_device *pd);
179static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
180
2b8791c4
MC		 181static int sony_nc_touchpad_setup(struct platform_device *pd,
182 unsigned int handle);
183static void sony_nc_touchpad_cleanup(struct platform_device *pd);
184
6cc056bc
MG		 185enum sony_nc_rfkill {
186 SONY_WIFI,
187 SONY_BLUETOOTH,
188 SONY_WWAN,
189 SONY_WIMAX,
19d337df 190 N_SONY_RFKILL,
6cc056bc
MG		 191};
192
d5a664a3 193static int sony_rfkill_handle;
19d337df
JB		 194static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
195static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
a1e73632
MC		 196static int sony_nc_rfkill_setup(struct acpi_device *device,
197 unsigned int handle);
5fe801a7 198static void sony_nc_rfkill_cleanup(void);
6cc056bc
MG		 199static void sony_nc_rfkill_update(void);
200
1549ee6f 201/*********** Input Devices ***********/
202
203#define SONY_LAPTOP_BUF_SIZE 128
204struct sony_laptop_input_s {
205 atomic_t users;
206 struct input_dev *jog_dev;
207 struct input_dev *key_dev;
45465487 208 struct kfifo fifo;
1549ee6f 209 spinlock_t fifo_lock;
cffdde99 210 struct timer_list release_key_timer;
1549ee6f 211};
6cc056bc 212
1549ee6f 213static struct sony_laptop_input_s sony_laptop_input = {
214 .users = ATOMIC_INIT(0),
215};
216
217struct sony_laptop_keypress {
218 struct input_dev *dev;
219 int key;
220};
221
bc57f865
MD		 222/* Correspondance table between sonypi events
223 * and input layer indexes in the keymap
224 */
225static int sony_laptop_input_index[] = {
3eb8749a
MD		 226 -1, /* 0 no event */
227 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
228 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
229 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
230 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
231 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
232 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
233 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
234 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
235 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
236 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
237 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
238 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
239 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
240 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
241 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
242 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
243 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
244 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
245 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
246 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
247 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
248 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
249 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
250 17, /* 24 SONYPI_EVENT_FNKEY_1 */
251 18, /* 25 SONYPI_EVENT_FNKEY_2 */
252 19, /* 26 SONYPI_EVENT_FNKEY_D */
253 20, /* 27 SONYPI_EVENT_FNKEY_E */
254 21, /* 28 SONYPI_EVENT_FNKEY_F */
255 22, /* 29 SONYPI_EVENT_FNKEY_S */
256 23, /* 30 SONYPI_EVENT_FNKEY_B */
257 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
258 25, /* 32 SONYPI_EVENT_PKEY_P1 */
259 26, /* 33 SONYPI_EVENT_PKEY_P2 */
260 27, /* 34 SONYPI_EVENT_PKEY_P3 */
261 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
262 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
263 -1, /* 37 SONYPI_EVENT_LID_OPENED */
264 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
265 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
266 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
267 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
268 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
269 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
270 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
271 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
272 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
273 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
274 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
275 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
276 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
277 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
278 43, /* 52 SONYPI_EVENT_MEYE_FACE */
279 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
280 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
281 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
282 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
283 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
284 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
285 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
286 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
287 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
288 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
289 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
9b57896e 290 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
45c7942b
MG		 291 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
292 53, /* 66 SONYPI_EVENT_PKEY_P4 */
293 54, /* 67 SONYPI_EVENT_PKEY_P5 */
294 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
1cae7103
HJ		 295 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
296 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
297 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
4f924ba5 298 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
1a7d9469 299 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
bc57f865
MD		 300};
301
302static int sony_laptop_input_keycode_map[] = {
303 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
304 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
305 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
306 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
307 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
308 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
309 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
310 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
311 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
312 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
313 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
314 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
315 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
316 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
317 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
318 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
319 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
a825bc87
SG		 320 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
321 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
bc57f865
MD		 322 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
323 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
324 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
325 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
326 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
327 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
328 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
329 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
330 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
331 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
332 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
333 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
334 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
335 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
336 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
337 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
338 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
339 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
340 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
341 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
342 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
343 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
344 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
345 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
346 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
347 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
348 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
349 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
350 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
351 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
3eb8749a 352 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
9b57896e 353 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
45c7942b
MG		 354 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
355 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
356 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
357 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
358 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
1cae7103
HJ		 359 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
360 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
4f924ba5 361 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
1a7d9469 362 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
1549ee6f 363};
364
365/* release buttons after a short delay if pressed */
cffdde99 366static void do_sony_laptop_release_key(unsigned long unused)
1549ee6f 367{
368 struct sony_laptop_keypress kp;
9593bd07 369 unsigned long flags;
1549ee6f 370
9593bd07
DT		 371 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
372
373 if (kfifo_out(&sony_laptop_input.fifo,
374 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
1549ee6f 375 input_report_key(kp.dev, kp.key, 0);
376 input_sync(kp.dev);
377 }
9593bd07
DT		 378
379 /* If there is something in the fifo schedule next release. */
380 if (kfifo_len(&sony_laptop_input.fifo) != 0)
cffdde99
DT		 381 mod_timer(&sony_laptop_input.release_key_timer,
382 jiffies + msecs_to_jiffies(10));
9593bd07
DT		 383
384 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
1549ee6f 385}
1549ee6f 386
3a4fa0a2 387/* forward event to the input subsystem */
1549ee6f 388static void sony_laptop_report_input_event(u8 event)
389{
390 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
391 struct input_dev *key_dev = sony_laptop_input.key_dev;
392 struct sony_laptop_keypress kp = { NULL };
747a562f 393 int scancode = -1;
1549ee6f 394
a83021a2
AT		 395 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
396 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
1549ee6f 397 /* Nothing, not all VAIOs generate this event */
398 return;
399 }
400
401 /* report events */
402 switch (event) {
403 /* jog_dev events */
404 case SONYPI_EVENT_JOGDIAL_UP:
405 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
406 input_report_rel(jog_dev, REL_WHEEL, 1);
407 input_sync(jog_dev);
408 return;
409
410 case SONYPI_EVENT_JOGDIAL_DOWN:
411 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
412 input_report_rel(jog_dev, REL_WHEEL, -1);
413 input_sync(jog_dev);
414 return;
415
416 /* key_dev events */
417 case SONYPI_EVENT_JOGDIAL_PRESSED:
418 kp.key = BTN_MIDDLE;
419 kp.dev = jog_dev;
420 break;
421
422 default:
d399d130 423 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
bc57f865
MD		 424 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
425 break;
426 }
747a562f
JH		 427 if ((scancode = sony_laptop_input_index[event]) != -1) {
428 kp.key = sony_laptop_input_keycode_map[scancode];
bc57f865 429 if (kp.key != KEY_UNKNOWN)
1549ee6f 430 kp.dev = key_dev;
bc57f865 431 }
1549ee6f 432 break;
433 }
434
435 if (kp.dev) {
747a562f
JH		 436 /* if we have a scancode we emit it so we can always
437 remap the key */
438 if (scancode != -1)
439 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
1549ee6f 440 input_report_key(kp.dev, kp.key, 1);
441 input_sync(kp.dev);
1549ee6f 442
9593bd07
DT		 443 /* schedule key release */
444 kfifo_in_locked(&sony_laptop_input.fifo,
445 (unsigned char *)&kp, sizeof(kp),
446 &sony_laptop_input.fifo_lock);
cffdde99
DT		 447 mod_timer(&sony_laptop_input.release_key_timer,
448 jiffies + msecs_to_jiffies(10));
1549ee6f 449 } else
450 dprintk("unknown input event %.2x\n", event);
451}
452
2e4d242c 453static int sony_laptop_setup_input(struct acpi_device *acpi_device)
1549ee6f 454{
455 struct input_dev *jog_dev;
456 struct input_dev *key_dev;
457 int i;
458 int error;
459
460 /* don't run again if already initialized */
461 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
462 return 0;
463
464 /* kfifo */
465 spin_lock_init(&sony_laptop_input.fifo_lock);
9593bd07
DT		 466 error = kfifo_alloc(&sony_laptop_input.fifo,
467 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
45465487 468 if (error) {
50f581a4 469 pr_err("kfifo_alloc failed\n");
1549ee6f 470 goto err_dec_users;
471 }
472
cffdde99
DT		 473 setup_timer(&sony_laptop_input.release_key_timer,
474 do_sony_laptop_release_key, 0);
1549ee6f 475
476 /* input keys */
477 key_dev = input_allocate_device();
478 if (!key_dev) {
479 error = -ENOMEM;
9593bd07 480 goto err_free_kfifo;
1549ee6f 481 }
482
483 key_dev->name = "Sony Vaio Keys";
484 key_dev->id.bustype = BUS_ISA;
485 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
2e4d242c 486 key_dev->dev.parent = &acpi_device->dev;
1549ee6f 487
488 /* Initialize the Input Drivers: special keys */
c45bc9d6
DT		 489 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
490
491 __set_bit(EV_KEY, key_dev->evbit);
bc57f865
MD		 492 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
493 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
494 key_dev->keycode = &sony_laptop_input_keycode_map;
c45bc9d6
DT		 495 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
496 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
497 __clear_bit(KEY_RESERVED, key_dev->keybit);
1549ee6f 498
499 error = input_register_device(key_dev);
500 if (error)
501 goto err_free_keydev;
502
503 sony_laptop_input.key_dev = key_dev;
504
505 /* jogdial */
506 jog_dev = input_allocate_device();
507 if (!jog_dev) {
508 error = -ENOMEM;
509 goto err_unregister_keydev;
510 }
511
512 jog_dev->name = "Sony Vaio Jogdial";
513 jog_dev->id.bustype = BUS_ISA;
514 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
747a562f 515 jog_dev->dev.parent = &acpi_device->dev;
1549ee6f 516
c45bc9d6
DT		 517 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
518 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
1549ee6f 519
520 error = input_register_device(jog_dev);
521 if (error)
522 goto err_free_jogdev;
523
524 sony_laptop_input.jog_dev = jog_dev;
525
526 return 0;
527
528err_free_jogdev:
529 input_free_device(jog_dev);
530
531err_unregister_keydev:
532 input_unregister_device(key_dev);
533 /* to avoid kref underflow below at input_free_device */
534 key_dev = NULL;
535
536err_free_keydev:
537 input_free_device(key_dev);
538
1549ee6f 539err_free_kfifo:
45465487 540 kfifo_free(&sony_laptop_input.fifo);
1549ee6f 541
542err_dec_users:
543 atomic_dec(&sony_laptop_input.users);
544 return error;
545}
546
547static void sony_laptop_remove_input(void)
548{
9593bd07
DT		 549 struct sony_laptop_keypress kp = { NULL };
550
551 /* Cleanup only after the last user has gone */
1549ee6f 552 if (!atomic_dec_and_test(&sony_laptop_input.users))
553 return;
554
cffdde99 555 del_timer_sync(&sony_laptop_input.release_key_timer);
9593bd07
DT		 556
557 /*
558 * Generate key-up events for remaining keys. Note that we don't
559 * need locking since nobody is adding new events to the kfifo.
560 */
561 while (kfifo_out(&sony_laptop_input.fifo,
562 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
563 input_report_key(kp.dev, kp.key, 0);
564 input_sync(kp.dev);
565 }
1549ee6f 566
567 /* destroy input devs */
568 input_unregister_device(sony_laptop_input.key_dev);
569 sony_laptop_input.key_dev = NULL;
570
571 if (sony_laptop_input.jog_dev) {
572 input_unregister_device(sony_laptop_input.jog_dev);
573 sony_laptop_input.jog_dev = NULL;
574 }
575
45465487 576 kfifo_free(&sony_laptop_input.fifo);
1549ee6f 577}
578
56b8756b 579/*********** Platform Device ***********/
580
581static atomic_t sony_pf_users = ATOMIC_INIT(0);
582static struct platform_driver sony_pf_driver = {
583 .driver = {
584 .name = "sony-laptop",
56b8756b 585 }
586};
587static struct platform_device *sony_pf_device;
588
589static int sony_pf_add(void)
590{
591 int ret = 0;
592
593 /* don't run again if already initialized */
594 if (atomic_add_return(1, &sony_pf_users) > 1)
595 return 0;
596
597 ret = platform_driver_register(&sony_pf_driver);
598 if (ret)
599 goto out;
600
601 sony_pf_device = platform_device_alloc("sony-laptop", -1);
602 if (!sony_pf_device) {
603 ret = -ENOMEM;
604 goto out_platform_registered;
605 }
606
607 ret = platform_device_add(sony_pf_device);
608 if (ret)
609 goto out_platform_alloced;
610
611 return 0;
612
613 out_platform_alloced:
614 platform_device_put(sony_pf_device);
615 sony_pf_device = NULL;
616 out_platform_registered:
617 platform_driver_unregister(&sony_pf_driver);
618 out:
619 atomic_dec(&sony_pf_users);
620 return ret;
621}
622
623static void sony_pf_remove(void)
624{
625 /* deregister only after the last user has gone */
626 if (!atomic_dec_and_test(&sony_pf_users))
627 return;
628
08db2b31 629 platform_device_unregister(sony_pf_device);
56b8756b 630 platform_driver_unregister(&sony_pf_driver);
631}
632
633/*********** SNC (SNY5001) Device ***********/
634
33a04454 635/* the device uses 1-based values, while the backlight subsystem uses
636 0-based values */
637#define SONY_MAX_BRIGHTNESS 8
638
639#define SNC_VALIDATE_IN 0
640#define SNC_VALIDATE_OUT 1
641
59b19106 642static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
a02d1c1d 643 char *);
59b19106 644static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
a02d1c1d 645 const char *, size_t);
156c221b
MD		 646static int boolean_validate(const int, const int);
647static int brightness_default_validate(const int, const int);
648
59b19106 649struct sony_nc_value {
a02d1c1d
LB		 650 char *name; /* name of the entry */
651 char **acpiget; /* names of the ACPI get function */
652 char **acpiset; /* names of the ACPI set function */
156c221b 653 int (*validate)(const int, const int); /* input/output validation */
a02d1c1d
LB		 654 int value; /* current setting */
655 int valid; /* Has ever been set */
656 int debug; /* active only in debug mode ? */
c8440336 657 struct device_attribute devattr; /* sysfs attribute */
ed3aa4b7
MD		 658};
659
59b19106 660#define SNC_HANDLE_NAMES(_name, _values...) \
ed3aa4b7
MD		 661 static char *snc_##_name[] = { _values, NULL }
662
59b19106 663#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
ed3aa4b7
MD		 664 { \
665 .name = __stringify(_name), \
666 .acpiget = _getters, \
667 .acpiset = _setters, \
156c221b 668 .validate = _validate, \
ed3aa4b7 669 .debug = _debug, \
59b19106 670 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
7f09c432 671 }
ed3aa4b7 672
59b19106 673#define SNC_HANDLE_NULL { .name = NULL }
ed3aa4b7 674
59b19106 675SNC_HANDLE_NAMES(fnkey_get, "GHKE");
ed3aa4b7 676
59b19106 677SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
678SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
ed3aa4b7 679
59b19106 680SNC_HANDLE_NAMES(cdpower_get, "GCDP");
681SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
ed3aa4b7 682
59b19106 683SNC_HANDLE_NAMES(audiopower_get, "GAZP");
684SNC_HANDLE_NAMES(audiopower_set, "AZPW");
ed3aa4b7 685
59b19106 686SNC_HANDLE_NAMES(lanpower_get, "GLNP");
687SNC_HANDLE_NAMES(lanpower_set, "LNPW");
ed3aa4b7 688
044847e0
MD		 689SNC_HANDLE_NAMES(lidstate_get, "GLID");
690
691SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
692SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
693
694SNC_HANDLE_NAMES(gainbass_get, "GMGB");
695SNC_HANDLE_NAMES(gainbass_set, "CMGB");
696
59b19106 697SNC_HANDLE_NAMES(PID_get, "GPID");
ed3aa4b7 698
59b19106 699SNC_HANDLE_NAMES(CTR_get, "GCTR");
700SNC_HANDLE_NAMES(CTR_set, "SCTR");
ed3aa4b7 701
59b19106 702SNC_HANDLE_NAMES(PCR_get, "GPCR");
703SNC_HANDLE_NAMES(PCR_set, "SPCR");
ed3aa4b7 704
59b19106 705SNC_HANDLE_NAMES(CMI_get, "GCMI");
706SNC_HANDLE_NAMES(CMI_set, "SCMI");
ed3aa4b7 707
59b19106 708static struct sony_nc_value sony_nc_values[] = {
709 SNC_HANDLE(brightness_default, snc_brightness_def_get,
156c221b 710 snc_brightness_def_set, brightness_default_validate, 0),
59b19106 711 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
712 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
713 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
156c221b 714 boolean_validate, 0),
59b19106 715 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
156c221b 716 boolean_validate, 1),
044847e0
MD		 717 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
718 boolean_validate, 0),
719 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
720 boolean_validate, 0),
721 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
722 boolean_validate, 0),
ed3aa4b7 723 /* unknown methods */
59b19106 724 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
725 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
726 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
727 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
728 SNC_HANDLE_NULL
7f09c432
SP		 729};
730
59b19106 731static acpi_handle sony_nc_acpi_handle;
732static struct acpi_device *sony_nc_acpi_device = NULL;
ed3aa4b7 733
d78865cd
MD		 734/*
735 * acpi_evaluate_object wrappers
ebcef1b0
MD		 736 * all useful calls into SNC methods take one or zero parameters and return
737 * integers or arrays.
d78865cd 738 */
ebcef1b0
MD		 739static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
740 u64 *value)
7f09c432 741{
ebcef1b0
MD		 742 union acpi_object *result = NULL;
743 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
7f09c432
SP		 744 acpi_status status;
745
ebcef1b0
MD		 746 if (value) {
747 struct acpi_object_list params;
748 union acpi_object in;
749 in.type = ACPI_TYPE_INTEGER;
750 in.integer.value = *value;
751 params.count = 1;
752 params.pointer = &in;
753 status = acpi_evaluate_object(handle, method, &params, &output);
ae188715
MD		 754 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
755 (unsigned int)(*value >> 32),
756 (unsigned int)*value & 0xffffffff);
757 } else {
ebcef1b0 758 status = acpi_evaluate_object(handle, method, NULL, &output);
ae188715
MD		 759 dprintk("__call_snc_method: [%s]\n", method);
760 }
7f09c432 761
ebcef1b0
MD		 762 if (ACPI_FAILURE(status)) {
763 pr_err("Failed to evaluate [%s]\n", method);
764 return NULL;
7f09c432
SP		 765 }
766
ebcef1b0
MD		 767 result = (union acpi_object *) output.pointer;
768 if (!result)
769 dprintk("No return object [%s]\n", method);
7f09c432 770
ebcef1b0 771 return result;
7f09c432
SP		 772}
773
ebcef1b0
MD		 774static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
775 int *result)
7f09c432 776{
ebcef1b0
MD		 777 union acpi_object *object = NULL;
778 if (value) {
779 u64 v = *value;
780 object = __call_snc_method(handle, name, &v);
781 } else
782 object = __call_snc_method(handle, name, NULL);
7f09c432 783
ebcef1b0
MD		 784 if (!object)
785 return -EINVAL;
7f09c432 786
ebcef1b0
MD		 787 if (object->type != ACPI_TYPE_INTEGER) {
788 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
789 ACPI_TYPE_INTEGER, object->type);
790 kfree(object);
791 return -EINVAL;
7f09c432
SP		 792 }
793
ebcef1b0
MD		 794 if (result)
795 *result = object->integer.value;
7f09c432 796
ebcef1b0
MD		 797 kfree(object);
798 return 0;
799}
800
801#define MIN(a, b) (a > b ? b : a)
802static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
803 void *buffer, size_t buflen)
804{
dcbeec26 805 int ret = 0;
2845f477 806 size_t len;
ebcef1b0
MD		 807 union acpi_object *object = __call_snc_method(handle, name, value);
808
809 if (!object)
810 return -EINVAL;
811
dcbeec26 812 if (object->type == ACPI_TYPE_BUFFER) {
ebcef1b0 813 len = MIN(buflen, object->buffer.length);
dcbeec26 814 memcpy(buffer, object->buffer.pointer, len);
ebcef1b0 815
dcbeec26 816 } else if (object->type == ACPI_TYPE_INTEGER) {
ebcef1b0 817 len = MIN(buflen, sizeof(object->integer.value));
dcbeec26 818 memcpy(buffer, &object->integer.value, len);
ebcef1b0 819
dcbeec26 820 } else {
ebcef1b0
MD		 821 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
822 ACPI_TYPE_BUFFER, object->type);
dcbeec26 823 ret = -EINVAL;
ebcef1b0
MD		 824 }
825
ebcef1b0 826 kfree(object);
dcbeec26 827 return ret;
7f09c432
SP		 828}
829
2a4f0c81
MD		 830struct sony_nc_handles {
831 u16 cap[0x10];
832 struct device_attribute devattr;
833};
834
f11113b2 835static struct sony_nc_handles *handles;
2a4f0c81
MD		 836
837static ssize_t sony_nc_handles_show(struct device *dev,
838 struct device_attribute *attr, char *buffer)
839{
840 ssize_t len = 0;
841 int i;
842
843 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
844 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
845 handles->cap[i]);
846 }
847 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
848
849 return len;
850}
851
852static int sony_nc_handles_setup(struct platform_device *pd)
badf26f0 853{
ebcef1b0 854 int i, r, result, arg;
badf26f0 855
2a4f0c81 856 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
31f00759
DC		 857 if (!handles)
858 return -ENOMEM;
2a4f0c81 859
2a4f0c81 860 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
ebcef1b0
MD		 861 arg = i + 0x20;
862 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
863 &result);
864 if (!r) {
2a4f0c81
MD		 865 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
866 result, i);
867 handles->cap[i] = result;
56e6e716 868 }
badf26f0
MG		 869 }
870
855b8bc9
MD		 871 if (debug) {
872 sysfs_attr_init(&handles->devattr.attr);
873 handles->devattr.attr.name = "handles";
874 handles->devattr.attr.mode = S_IRUGO;
875 handles->devattr.show = sony_nc_handles_show;
876
877 /* allow reading capabilities via sysfs */
878 if (device_create_file(&pd->dev, &handles->devattr)) {
879 kfree(handles);
880 handles = NULL;
881 return -1;
882 }
2a4f0c81
MD		 883 }
884
885 return 0;
886}
887
888static int sony_nc_handles_cleanup(struct platform_device *pd)
889{
890 if (handles) {
855b8bc9
MD		 891 if (debug)
892 device_remove_file(&pd->dev, &handles->devattr);
2a4f0c81
MD		 893 kfree(handles);
894 handles = NULL;
895 }
896 return 0;
897}
898
899static int sony_find_snc_handle(int handle)
900{
901 int i;
fef34861
MD		 902
903 /* not initialized yet, return early */
bab7084c
MD		 904 if (!handles || !handle)
905 return -EINVAL;
fef34861 906
2a4f0c81
MD		 907 for (i = 0; i < 0x10; i++) {
908 if (handles->cap[i] == handle) {
909 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
910 handle, i);
911 return i;
912 }
913 }
56e6e716 914 dprintk("handle 0x%.4x not found\n", handle);
bab7084c 915 return -EINVAL;
badf26f0
MG		 916}
917
918static int sony_call_snc_handle(int handle, int argument, int *result)
919{
ebcef1b0 920 int arg, ret = 0;
badf26f0
MG		 921 int offset = sony_find_snc_handle(handle);
922
923 if (offset < 0)
bab7084c 924 return offset;
badf26f0 925
ebcef1b0
MD		 926 arg = offset | argument;
927 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
928 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
56e6e716 929 return ret;
badf26f0
MG		 930}
931
156c221b 932/*
59b19106 933 * sony_nc_values input/output validate functions
156c221b
MD		 934 */
935
936/* brightness_default_validate:
937 *
938 * manipulate input output values to keep consistency with the
939 * backlight framework for which brightness values are 0-based.
940 */
941static int brightness_default_validate(const int direction, const int value)
942{
943 switch (direction) {
944 case SNC_VALIDATE_OUT:
945 return value - 1;
946 case SNC_VALIDATE_IN:
947 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
948 return value + 1;
949 }
950 return -EINVAL;
951}
952
953/* boolean_validate:
954 *
955 * on input validate boolean values 0/1, on output just pass the
956 * received value.
957 */
958static int boolean_validate(const int direction, const int value)
959{
960 if (direction == SNC_VALIDATE_IN) {
961 if (value != 0 && value != 1)
962 return -EINVAL;
963 }
964 return value;
965}
966
ed3aa4b7 967/*
59b19106 968 * Sysfs show/store common to all sony_nc_values
ed3aa4b7 969 */
59b19106 970static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
a02d1c1d 971 char *buffer)
7f09c432 972{
ebcef1b0 973 int value, ret = 0;
59b19106 974 struct sony_nc_value *item =
975 container_of(attr, struct sony_nc_value, devattr);
7f09c432 976
ed3aa4b7 977 if (!*item->acpiget)
7f09c432
SP		 978 return -EIO;
979
ebcef1b0
MD		 980 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
981 &value);
982 if (ret < 0)
7f09c432
SP		 983 return -EIO;
984
156c221b
MD		 985 if (item->validate)
986 value = item->validate(SNC_VALIDATE_OUT, value);
987
ed3aa4b7 988 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
7f09c432
SP		 989}
990
59b19106 991static ssize_t sony_nc_sysfs_store(struct device *dev,
a02d1c1d
LB		 992 struct device_attribute *attr,
993 const char *buffer, size_t count)
7f09c432 994{
c7a29183 995 int value;
9e123379 996 int ret = 0;
59b19106 997 struct sony_nc_value *item =
998 container_of(attr, struct sony_nc_value, devattr);
7f09c432
SP		 999
1000 if (!item->acpiset)
1001 return -EIO;
1002
ed3aa4b7
MD		 1003 if (count > 31)
1004 return -EINVAL;
1005
c7a29183 1006 if (kstrtoint(buffer, 10, &value))
9e123379 1007 return -EINVAL;
7f09c432 1008
156c221b
MD		 1009 if (item->validate)
1010 value = item->validate(SNC_VALIDATE_IN, value);
1011
1012 if (value < 0)
1013 return value;
7f09c432 1014
9e123379 1015 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
c7a29183 1016 &value, NULL);
ebcef1b0 1017 if (ret < 0)
7f09c432 1018 return -EIO;
ebcef1b0 1019
3f4f461f
AM		 1020 item->value = value;
1021 item->valid = 1;
7f09c432
SP		 1022 return count;
1023}
1024
ed3aa4b7 1025
d78865cd
MD		 1026/*
1027 * Backlight device
1028 */
62d2f23e
MD		 1029struct sony_backlight_props {
1030 struct backlight_device *dev;
1031 int handle;
014fc8fb 1032 int cmd_base;
62d2f23e
MD		 1033 u8 offset;
1034 u8 maxlvl;
1035};
76fe63f5 1036static struct sony_backlight_props sony_bl_props;
62d2f23e 1037
d78865cd 1038static int sony_backlight_update_status(struct backlight_device *bd)
3f4f461f 1039{
ebcef1b0
MD		 1040 int arg = bd->props.brightness + 1;
1041 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
d78865cd 1042}
3f4f461f 1043
d78865cd
MD		 1044static int sony_backlight_get_brightness(struct backlight_device *bd)
1045{
1046 int value;
3f4f461f 1047
ebcef1b0 1048 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
d78865cd
MD		 1049 return 0;
1050 /* brightness levels are 1-based, while backlight ones are 0-based */
1051 return value - 1;
3f4f461f
AM		 1052}
1053
7751ab8e
MD		 1054static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1055{
1056 int result;
62d2f23e
MD		 1057 struct sony_backlight_props *sdev =
1058 (struct sony_backlight_props *)bl_get_data(bd);
7751ab8e 1059
014fc8fb 1060 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
7751ab8e 1061
62d2f23e 1062 return (result & 0xff) - sdev->offset;
7751ab8e
MD		 1063}
1064
1065static int sony_nc_update_status_ng(struct backlight_device *bd)
1066{
1067 int value, result;
62d2f23e
MD		 1068 struct sony_backlight_props *sdev =
1069 (struct sony_backlight_props *)bl_get_data(bd);
7751ab8e 1070
62d2f23e 1071 value = bd->props.brightness + sdev->offset;
014fc8fb
MD		 1072 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1073 &result))
6192fa71 1074 return -EIO;
7751ab8e 1075
6192fa71 1076 return value;
7751ab8e
MD		 1077}
1078
acc2472e 1079static const struct backlight_ops sony_backlight_ops = {
7751ab8e 1080 .options = BL_CORE_SUSPENDRESUME,
a02d1c1d
LB		 1081 .update_status = sony_backlight_update_status,
1082 .get_brightness = sony_backlight_get_brightness,
d78865cd 1083};
7751ab8e
MD		 1084static const struct backlight_ops sony_backlight_ng_ops = {
1085 .options = BL_CORE_SUSPENDRESUME,
1086 .update_status = sony_nc_update_status_ng,
1087 .get_brightness = sony_nc_get_brightness_ng,
1088};
d78865cd 1089
6315fd1c
MD		 1090/*
1091 * New SNC-only Vaios event mapping to driver known keys
1092 */
1093struct sony_nc_event {
1094 u8 data;
1095 u8 event;
1096};
1097
45c7942b 1098static struct sony_nc_event sony_100_events[] = {
9b57896e
MG		 1099 { 0x90, SONYPI_EVENT_PKEY_P1 },
1100 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
6479efb6 1101 { 0x91, SONYPI_EVENT_PKEY_P2 },
9b57896e 1102 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
6315fd1c
MD		 1103 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1104 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
f5acf5e8
AV		 1105 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1106 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1108 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1110 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
6315fd1c
MD		 1111 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1112 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1113 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1114 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1115 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1116 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
2e526311
MC		 1117 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1118 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
9b57896e
MG		 1119 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1120 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
6315fd1c
MD		 1121 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1122 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
2e526311
MC		 1123 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1124 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
6315fd1c
MD		 1125 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1126 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1a7d9469
MD		 1127 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1128 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
9b57896e
MG		 1129 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1130 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
4f924ba5
MD		 1131 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1132 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1a7d9469
MD		 1133 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1134 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1136 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1138 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
94d164dc
JA		 1139 { 0xa8, SONYPI_EVENT_FNKEY_1 },
1140 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
6315fd1c
MD		 1141 { 0, 0 },
1142};
1143
45c7942b
MG		 1144static struct sony_nc_event sony_127_events[] = {
1145 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1146 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1147 { 0x82, SONYPI_EVENT_PKEY_P1 },
1148 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1149 { 0x83, SONYPI_EVENT_PKEY_P2 },
1150 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1151 { 0x84, SONYPI_EVENT_PKEY_P3 },
1152 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1153 { 0x85, SONYPI_EVENT_PKEY_P4 },
1154 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1155 { 0x86, SONYPI_EVENT_PKEY_P5 },
1156 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
45c7942b
MG		 1157 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1158 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1159 { 0, 0 },
1160};
1161
5fe801a7
MC		 1162static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1163{
1164 int ret = -EINVAL;
1165 unsigned int result = 0;
1166 struct sony_nc_event *key_event;
1167
1168 if (sony_call_snc_handle(handle, 0x200, &result)) {
1169 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1170 event);
1171 return -EINVAL;
1172 }
1173
1174 result &= 0xFF;
1175
1176 if (handle == 0x0100)
1177 key_event = sony_100_events;
1178 else
1179 key_event = sony_127_events;
1180
1181 for (; key_event->data; key_event++) {
1182 if (key_event->data == result) {
1183 ret = key_event->event;
1184 break;
1185 }
1186 }
1187
1188 if (!key_event->data)
1189 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1190 event, result, handle);
1191
1192 return ret;
1193}
1194
d78865cd
MD		 1195/*
1196 * ACPI callbacks
1197 */
4069d6f8
MD		 1198enum event_types {
1199 HOTKEY = 1,
bb384b52
MC		 1200 KILLSWITCH,
1201 GFX_SWITCH
4069d6f8 1202};
8037d6e6 1203static void sony_nc_notify(struct acpi_device *device, u32 event)
7f09c432 1204{
5fe801a7
MC		 1205 u32 real_ev = event;
1206 u8 ev_type = 0;
1207 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1208
1209 if (event >= 0x90) {
1210 unsigned int result = 0;
1211 unsigned int arg = 0;
1212 unsigned int handle = 0;
1213 unsigned int offset = event - 0x90;
1214
1215 if (offset >= ARRAY_SIZE(handles->cap)) {
1216 pr_err("Event 0x%x outside of capabilities list\n",
1217 event);
6cc056bc 1218 return;
9b57896e 1219 }
5fe801a7
MC		 1220 handle = handles->cap[offset];
1221
1222 /* list of handles known for generating events */
1223 switch (handle) {
1224 /* hotkey event */
1225 case 0x0100:
1226 case 0x0127:
4069d6f8 1227 ev_type = HOTKEY;
5fe801a7
MC		 1228 real_ev = sony_nc_hotkeys_decode(event, handle);
1229
1230 if (real_ev > 0)
1231 sony_laptop_report_input_event(real_ev);
1232 else
1233 /* restore the original event for reporting */
1234 real_ev = event;
1235
1236 break;
1237
1238 /* wlan switch */
1239 case 0x0124:
1240 case 0x0135:
1241 /* events on this handle are reported when the
1242 * switch changes position or for battery
1243 * events. We'll notify both of them but only
1244 * update the rfkill device status when the
1245 * switch is moved.
1246 */
4069d6f8 1247 ev_type = KILLSWITCH;
5fe801a7
MC		 1248 sony_call_snc_handle(handle, 0x0100, &result);
1249 real_ev = result & 0x03;
1250
1251 /* hw switch event */
1252 if (real_ev == 1)
1253 sony_nc_rfkill_update();
1254
1255 break;
badf26f0 1256
bb384b52
MC		 1257 case 0x0128:
1258 case 0x0146:
1259 /* Hybrid GFX switching */
1260 sony_call_snc_handle(handle, 0x0000, &result);
1261 dprintk("GFX switch event received (reason: %s)\n",
3a7abcd8
MD		 1262 (result == 0x1) ? "switch change" :
1263 (result == 0x2) ? "output switch" :
1264 (result == 0x3) ? "output switch" :
1265 "");
bb384b52
MC		 1266
1267 ev_type = GFX_SWITCH;
3a7abcd8 1268 real_ev = __sony_nc_gfx_switch_status_get();
bb384b52
MC		 1269 break;
1270
0572b12a
AW		 1271 case 0x015B:
1272 /* Hybrid GFX switching SVS151290S */
1273 ev_type = GFX_SWITCH;
1274 real_ev = __sony_nc_gfx_switch_status_get();
1275 break;
5fe801a7
MC		 1276 default:
1277 dprintk("Unknown event 0x%x for handle 0x%x\n",
1278 event, handle);
1279 break;
1280 }
1281
1282 /* clear the event (and the event reason when present) */
1283 arg = 1 << offset;
1284 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1285
1286 } else {
1287 /* old style event */
4069d6f8 1288 ev_type = HOTKEY;
5fe801a7
MC		 1289 sony_laptop_report_input_event(real_ev);
1290 }
5fe801a7
MC		 1291 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1292 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
7f09c432
SP		 1293}
1294
1295static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1296 void *context, void **return_value)
1297{
30823736 1298 struct acpi_device_info *info;
7f09c432 1299
15b8dd53 1300 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
50f581a4 1301 pr_warn("method: name: %4.4s, args %X\n",
30823736
LM		 1302 (char *)&info->name, info->param_count);
1303
15b8dd53 1304 kfree(info);
30823736 1305 }
7f09c432
SP		 1306
1307 return AE_OK;
1308}
1309
d78865cd
MD		 1310/*
1311 * ACPI device
1312 */
5fe801a7
MC		 1313static void sony_nc_function_setup(struct acpi_device *device,
1314 struct platform_device *pf_device)
badf26f0 1315{
5fe801a7
MC		 1316 unsigned int i, result, bitmask, arg;
1317
1318 if (!handles)
1319 return;
1320
1321 /* setup found handles here */
1322 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1323 unsigned int handle = handles->cap[i];
1324
1325 if (!handle)
1326 continue;
1327
1328 dprintk("setting up handle 0x%.4x\n", handle);
1329
1330 switch (handle) {
1331 case 0x0100:
1332 case 0x0101:
1333 case 0x0127:
1334 /* setup hotkeys */
1335 sony_call_snc_handle(handle, 0, &result);
1336 break;
1337 case 0x0102:
1338 /* setup hotkeys */
1339 sony_call_snc_handle(handle, 0x100, &result);
1340 break;
2b8791c4
MC		 1341 case 0x0105:
1342 case 0x0148:
1343 /* touchpad enable/disable */
1344 result = sony_nc_touchpad_setup(pf_device, handle);
1345 if (result)
1346 pr_err("couldn't set up touchpad control function (%d)\n",
1347 result);
1348 break;
967145a0
MC		 1349 case 0x0115:
1350 case 0x0136:
1351 case 0x013f:
1352 result = sony_nc_battery_care_setup(pf_device, handle);
1353 if (result)
1354 pr_err("couldn't set up battery care function (%d)\n",
1355 result);
1356 break;
54535d08 1357 case 0x0119:
35312076
JA		 1358 case 0x015D:
1359 result = sony_nc_lid_resume_setup(pf_device, handle);
54535d08
MC		 1360 if (result)
1361 pr_err("couldn't set up lid resume function (%d)\n",
1362 result);
1363 break;
49f000ad
MC		 1364 case 0x0122:
1365 result = sony_nc_thermal_setup(pf_device);
1366 if (result)
1367 pr_err("couldn't set up thermal profile function (%d)\n",
1368 result);
1369 break;
3a7abcd8
MD		 1370 case 0x0128:
1371 case 0x0146:
0572b12a 1372 case 0x015B:
3a7abcd8
MD		 1373 result = sony_nc_gfx_switch_setup(pf_device, handle);
1374 if (result)
1375 pr_err("couldn't set up GFX Switch status (%d)\n",
1376 result);
1377 break;
88bf1706
MC		 1378 case 0x0131:
1379 result = sony_nc_highspeed_charging_setup(pf_device);
1380 if (result)
1381 pr_err("couldn't set up high speed charging function (%d)\n",
1382 result);
1383 break;
5fe801a7
MC		 1384 case 0x0124:
1385 case 0x0135:
a1e73632
MC		 1386 result = sony_nc_rfkill_setup(device, handle);
1387 if (result)
1388 pr_err("couldn't set up rfkill support (%d)\n",
1389 result);
5fe801a7
MC		 1390 break;
1391 case 0x0137:
aa33924f 1392 case 0x0143:
7517a17c
MD		 1393 case 0x014b:
1394 case 0x014c:
0572b12a 1395 case 0x0163:
aa33924f
MC		 1396 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1397 if (result)
1398 pr_err("couldn't set up keyboard backlight function (%d)\n",
1399 result);
5fe801a7 1400 break;
168de1ad
JA		 1401 case 0x0121:
1402 result = sony_nc_lowbatt_setup(pf_device);
1403 if (result)
1404 pr_err("couldn't set up low battery function (%d)\n",
1405 result);
1406 break;
c62f1539
JA		 1407 case 0x0149:
1408 result = sony_nc_fanspeed_setup(pf_device);
1409 if (result)
1410 pr_err("couldn't set up fan speed function (%d)\n",
1411 result);
1412 break;
2a26f341
JA		 1413 case 0x0155:
1414 result = sony_nc_usb_charge_setup(pf_device);
1415 if (result)
1416 pr_err("couldn't set up USB charge support (%d)\n",
1417 result);
1418 break;
9e04c908
JA		 1419 case 0x011D:
1420 result = sony_nc_panelid_setup(pf_device);
1421 if (result)
1422 pr_err("couldn't set up panel ID function (%d)\n",
1423 result);
1424 break;
d58dc780
JA		 1425 case 0x0168:
1426 result = sony_nc_smart_conn_setup(pf_device);
1427 if (result)
1428 pr_err("couldn't set up smart connect support (%d)\n",
1429 result);
1430 break;
5fe801a7
MC		 1431 default:
1432 continue;
1433 }
1434 }
badf26f0
MG		 1435
1436 /* Enable all events */
5fe801a7
MC		 1437 arg = 0x10;
1438 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1439 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1440 &result);
1441}
badf26f0 1442
5fe801a7
MC		 1443static void sony_nc_function_cleanup(struct platform_device *pd)
1444{
1445 unsigned int i, result, bitmask, handle;
badf26f0 1446
5fe801a7
MC		 1447 /* get enabled events and disable them */
1448 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1449 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1450
1451 /* cleanup handles here */
1452 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1453
1454 handle = handles->cap[i];
1455
1456 if (!handle)
1457 continue;
1458
1459 switch (handle) {
2b8791c4
MC		 1460 case 0x0105:
1461 case 0x0148:
1462 sony_nc_touchpad_cleanup(pd);
1463 break;
967145a0
MC		 1464 case 0x0115:
1465 case 0x0136:
1466 case 0x013f:
1467 sony_nc_battery_care_cleanup(pd);
1468 break;
54535d08 1469 case 0x0119:
35312076 1470 case 0x015D:
54535d08
MC		 1471 sony_nc_lid_resume_cleanup(pd);
1472 break;
49f000ad
MC		 1473 case 0x0122:
1474 sony_nc_thermal_cleanup(pd);
1475 break;
3a7abcd8
MD		 1476 case 0x0128:
1477 case 0x0146:
0572b12a 1478 case 0x015B:
3a7abcd8
MD		 1479 sony_nc_gfx_switch_cleanup(pd);
1480 break;
88bf1706
MC		 1481 case 0x0131:
1482 sony_nc_highspeed_charging_cleanup(pd);
1483 break;
5fe801a7
MC		 1484 case 0x0124:
1485 case 0x0135:
1486 sony_nc_rfkill_cleanup();
1487 break;
1488 case 0x0137:
aa33924f 1489 case 0x0143:
7517a17c
MD		 1490 case 0x014b:
1491 case 0x014c:
0572b12a 1492 case 0x0163:
1d885f42 1493 sony_nc_kbd_backlight_cleanup(pd, handle);
5fe801a7 1494 break;
168de1ad
JA		 1495 case 0x0121:
1496 sony_nc_lowbatt_cleanup(pd);
1497 break;
c62f1539
JA		 1498 case 0x0149:
1499 sony_nc_fanspeed_cleanup(pd);
1500 break;
2a26f341
JA		 1501 case 0x0155:
1502 sony_nc_usb_charge_cleanup(pd);
1503 break;
9e04c908
JA		 1504 case 0x011D:
1505 sony_nc_panelid_cleanup(pd);
1506 break;
d58dc780
JA		 1507 case 0x0168:
1508 sony_nc_smart_conn_cleanup(pd);
1509 break;
5fe801a7
MC		 1510 default:
1511 continue;
1512 }
1513 }
1514
1515 /* finally cleanup the handles list */
1516 sony_nc_handles_cleanup(pd);
1517}
1518
3567a4e2 1519#ifdef CONFIG_PM_SLEEP
5fe801a7
MC		 1520static void sony_nc_function_resume(void)
1521{
1522 unsigned int i, result, bitmask, arg;
1523
1524 dprintk("Resuming SNC device\n");
1525
1526 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1527 unsigned int handle = handles->cap[i];
1528
1529 if (!handle)
1530 continue;
1531
1532 switch (handle) {
1533 case 0x0100:
1534 case 0x0101:
1535 case 0x0127:
1536 /* re-enable hotkeys */
1537 sony_call_snc_handle(handle, 0, &result);
1538 break;
1539 case 0x0102:
1540 /* re-enable hotkeys */
1541 sony_call_snc_handle(handle, 0x100, &result);
1542 break;
49f000ad
MC		 1543 case 0x0122:
1544 sony_nc_thermal_resume();
1545 break;
5fe801a7
MC		 1546 case 0x0124:
1547 case 0x0135:
1548 sony_nc_rfkill_update();
1549 break;
5fe801a7
MC		 1550 default:
1551 continue;
1552 }
1553 }
1554
1555 /* Enable all events */
1556 arg = 0x10;
1557 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1558 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1559 &result);
badf26f0
MG		 1560}
1561
bb6b98d6 1562static int sony_nc_resume(struct device *dev)
d78865cd 1563{
59b19106 1564 struct sony_nc_value *item;
d78865cd 1565
59b19106 1566 for (item = sony_nc_values; item->name; item++) {
d78865cd
MD		 1567 int ret;
1568
1569 if (!item->valid)
1570 continue;
ebcef1b0
MD		 1571 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1572 &item->value, NULL);
d78865cd 1573 if (ret < 0) {
50f581a4 1574 pr_err("%s: %d\n", __func__, ret);
d78865cd
MD		 1575 break;
1576 }
1577 }
6315fd1c 1578
8a8bce1d 1579 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
ebcef1b0
MD		 1580 int arg = 1;
1581 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
82734bfc
MG		 1582 dprintk("ECON Method failed\n");
1583 }
1584
8a8bce1d 1585 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
5fe801a7 1586 sony_nc_function_resume();
df410d52 1587
d78865cd
MD		 1588 return 0;
1589}
3567a4e2 1590#endif
d78865cd 1591
bb6b98d6
RW		 1592static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1593
6cc056bc
MG		 1594static void sony_nc_rfkill_cleanup(void)
1595{
1596 int i;
1597
19d337df
JB		 1598 for (i = 0; i < N_SONY_RFKILL; i++) {
1599 if (sony_rfkill_devices[i]) {
6cc056bc 1600 rfkill_unregister(sony_rfkill_devices[i]);
19d337df
JB		 1601 rfkill_destroy(sony_rfkill_devices[i]);
1602 }
6cc056bc
MG		 1603 }
1604}
1605
19d337df 1606static int sony_nc_rfkill_set(void *data, bool blocked)
6cc056bc
MG		 1607{
1608 int result;
1609 int argument = sony_rfkill_address[(long) data] + 0x100;
1610
19d337df 1611 if (!blocked)
3ec1c398 1612 argument |= 0x070000;
6cc056bc 1613
d5a664a3 1614 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
6cc056bc
MG		 1615}
1616
19d337df
JB		 1617static const struct rfkill_ops sony_rfkill_ops = {
1618 .set_block = sony_nc_rfkill_set,
1619};
6cc056bc 1620
19d337df
JB		 1621static int sony_nc_setup_rfkill(struct acpi_device *device,
1622 enum sony_nc_rfkill nc_type)
6cc056bc
MG		 1623{
1624 int err = 0;
19d337df
JB		 1625 struct rfkill *rfk;
1626 enum rfkill_type type;
1627 const char *name;
50fab076 1628 int result;
d6f15ed8 1629 bool hwblock, swblock;
19d337df
JB		 1630
1631 switch (nc_type) {
1632 case SONY_WIFI:
1633 type = RFKILL_TYPE_WLAN;
1634 name = "sony-wifi";
1635 break;
1636 case SONY_BLUETOOTH:
1637 type = RFKILL_TYPE_BLUETOOTH;
1638 name = "sony-bluetooth";
1639 break;
1640 case SONY_WWAN:
1641 type = RFKILL_TYPE_WWAN;
1642 name = "sony-wwan";
1643 break;
1644 case SONY_WIMAX:
1645 type = RFKILL_TYPE_WIMAX;
1646 name = "sony-wimax";
1647 break;
1648 default:
1649 return -EINVAL;
53005a0a 1650 }
6cc056bc 1651
19d337df
JB		 1652 rfk = rfkill_alloc(name, &device->dev, type,
1653 &sony_rfkill_ops, (void *)nc_type);
1654 if (!rfk)
1655 return -ENOMEM;
6cc056bc 1656
d6f15ed8
MC		 1657 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1658 rfkill_destroy(rfk);
1659 return -1;
1660 }
50fab076 1661 hwblock = !(result & 0x1);
d6f15ed8
MC		 1662
1663 if (sony_call_snc_handle(sony_rfkill_handle,
1664 sony_rfkill_address[nc_type],
1665 &result) < 0) {
1666 rfkill_destroy(rfk);
1667 return -1;
1668 }
1669 swblock = !(result & 0x2);
1670
1671 rfkill_init_sw_state(rfk, swblock);
50fab076
AJ		 1672 rfkill_set_hw_state(rfk, hwblock);
1673
19d337df
JB		 1674 err = rfkill_register(rfk);
1675 if (err) {
1676 rfkill_destroy(rfk);
1677 return err;
53005a0a 1678 }
19d337df 1679 sony_rfkill_devices[nc_type] = rfk;
6cc056bc
MG		 1680 return err;
1681}
1682
a46a7808 1683static void sony_nc_rfkill_update(void)
6cc056bc 1684{
19d337df
JB		 1685 enum sony_nc_rfkill i;
1686 int result;
1687 bool hwblock;
6cc056bc 1688
d5a664a3 1689 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
19d337df 1690 hwblock = !(result & 0x1);
6cc056bc 1691
19d337df
JB		 1692 for (i = 0; i < N_SONY_RFKILL; i++) {
1693 int argument = sony_rfkill_address[i];
6cc056bc 1694
19d337df
JB		 1695 if (!sony_rfkill_devices[i])
1696 continue;
1697
1698 if (hwblock) {
e1f8a19e
JB		 1699 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1700 /* we already know we're blocked */
1701 }
19d337df 1702 continue;
6cc056bc 1703 }
19d337df 1704
d5a664a3 1705 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
19d337df 1706 rfkill_set_states(sony_rfkill_devices[i],
d6f15ed8 1707 !(result & 0x2), false);
6cc056bc
MG		 1708 }
1709}
1710
a1e73632
MC		 1711static int sony_nc_rfkill_setup(struct acpi_device *device,
1712 unsigned int handle)
6cc056bc 1713{
ebcef1b0
MD		 1714 u64 offset;
1715 int i;
1716 unsigned char buffer[32] = { 0 };
6cc056bc 1717
a1e73632
MC		 1718 offset = sony_find_snc_handle(handle);
1719 sony_rfkill_handle = handle;
528809c3 1720
ebcef1b0
MD		 1721 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1722 32);
1723 if (i < 0)
a1e73632
MC		 1724 return i;
1725
1726 /* The buffer is filled with magic numbers describing the devices
1727 * available, 0xff terminates the enumeration.
1728 * Known codes:
1729 * 0x00 WLAN
1730 * 0x10 BLUETOOTH
1731 * 0x20 WWAN GPRS-EDGE
1732 * 0x21 WWAN HSDPA
1733 * 0x22 WWAN EV-DO
1734 * 0x23 WWAN GPS
1735 * 0x25 Gobi WWAN no GPS
1736 * 0x26 Gobi WWAN + GPS
1737 * 0x28 Gobi WWAN no GPS
1738 * 0x29 Gobi WWAN + GPS
1739 * 0x30 WIMAX
1740 * 0x50 Gobi WWAN no GPS
1741 * 0x51 Gobi WWAN + GPS
1742 * 0x70 no SIM card slot
1743 * 0x71 SIM card slot
528809c3 1744 */
ebcef1b0 1745 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
c14973f9 1746
ebcef1b0 1747 if (buffer[i] == 0xff)
c14973f9
DT		 1748 break;
1749
a1e73632 1750 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
6cc056bc 1751
ebcef1b0 1752 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
528809c3
MD		 1753 sony_nc_setup_rfkill(device, SONY_WIFI);
1754
ebcef1b0 1755 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
528809c3
MD		 1756 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1757
a1e73632
MC		 1758 if (((0xf0 & buffer[i]) == 0x20 ||
1759 (0xf0 & buffer[i]) == 0x50) &&
528809c3
MD		 1760 !sony_rfkill_devices[SONY_WWAN])
1761 sony_nc_setup_rfkill(device, SONY_WWAN);
1762
ebcef1b0 1763 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
528809c3
MD		 1764 sony_nc_setup_rfkill(device, SONY_WIMAX);
1765 }
a1e73632 1766 return 0;
6cc056bc
MG		 1767}
1768
bf155714 1769/* Keyboard backlight feature */
bf155714 1770struct kbd_backlight {
aa33924f
MC		 1771 unsigned int handle;
1772 unsigned int base;
1773 unsigned int mode;
1774 unsigned int timeout;
bf155714
MD		 1775 struct device_attribute mode_attr;
1776 struct device_attribute timeout_attr;
1777};
1778
aa33924f 1779static struct kbd_backlight *kbdbl_ctl;
bf155714
MD		 1780
1781static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1782{
1783 int result;
1784
0380d471 1785 if (value > 2)
bf155714
MD		 1786 return -EINVAL;
1787
aa33924f
MC		 1788 if (sony_call_snc_handle(kbdbl_ctl->handle,
1789 (value << 0x10) | (kbdbl_ctl->base), &result))
bf155714
MD		 1790 return -EIO;
1791
df410d52 1792 /* Try to turn the light on/off immediately */
0380d471
JA		 1793 if (value != 1)
1794 sony_call_snc_handle(kbdbl_ctl->handle,
1795 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1796 &result);
df410d52 1797
aa33924f 1798 kbdbl_ctl->mode = value;
bf155714
MD		 1799
1800 return 0;
1801}
1802
1803static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1804 struct device_attribute *attr,
1805 const char *buffer, size_t count)
1806{
1807 int ret = 0;
1808 unsigned long value;
1809
1810 if (count > 31)
1811 return -EINVAL;
1812
9e123379 1813 if (kstrtoul(buffer, 10, &value))
bf155714
MD		 1814 return -EINVAL;
1815
1816 ret = __sony_nc_kbd_backlight_mode_set(value);
1817 if (ret < 0)
1818 return ret;
1819
1820 return count;
1821}
1822
1823static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1824 struct device_attribute *attr, char *buffer)
1825{
1826 ssize_t count = 0;
aa33924f 1827 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
bf155714
MD		 1828 return count;
1829}
1830
1831static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1832{
1833 int result;
1834
1835 if (value > 3)
1836 return -EINVAL;
1837
aa33924f
MC		 1838 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1839 (kbdbl_ctl->base + 0x200), &result))
bf155714
MD		 1840 return -EIO;
1841
aa33924f 1842 kbdbl_ctl->timeout = value;
bf155714
MD		 1843
1844 return 0;
1845}
1846
1847static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1848 struct device_attribute *attr,
1849 const char *buffer, size_t count)
1850{
1851 int ret = 0;
1852 unsigned long value;
1853
1854 if (count > 31)
1855 return -EINVAL;
1856
9e123379 1857 if (kstrtoul(buffer, 10, &value))
bf155714
MD		 1858 return -EINVAL;
1859
1860 ret = __sony_nc_kbd_backlight_timeout_set(value);
1861 if (ret < 0)
1862 return ret;
1863
1864 return count;
1865}
1866
1867static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1868 struct device_attribute *attr, char *buffer)
1869{
1870 ssize_t count = 0;
aa33924f 1871 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
bf155714
MD		 1872 return count;
1873}
1874
aa33924f
MC		 1875static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1876 unsigned int handle)
bf155714
MD		 1877{
1878 int result;
aa33924f 1879 int ret = 0;
bf155714 1880
1d885f42
MD		 1881 if (kbdbl_ctl) {
1882 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1883 handle, kbdbl_ctl->handle);
1884 return -EBUSY;
1885 }
1886
aa33924f
MC		 1887 /* verify the kbd backlight presence, these handles are not used for
1888 * keyboard backlight only
1889 */
1890 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1891 &result);
1892 if (ret)
1893 return ret;
bf155714 1894
aa33924f
MC		 1895 if ((handle == 0x0137 && !(result & 0x02)) ||
1896 !(result & 0x01)) {
1897 dprintk("no backlight keyboard found\n");
1898 return 0;
1899 }
bf155714 1900
aa33924f
MC		 1901 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1902 if (!kbdbl_ctl)
1903 return -ENOMEM;
bf155714 1904
294d31e8
MD		 1905 kbdbl_ctl->mode = kbd_backlight;
1906 kbdbl_ctl->timeout = kbd_backlight_timeout;
aa33924f
MC		 1907 kbdbl_ctl->handle = handle;
1908 if (handle == 0x0137)
1909 kbdbl_ctl->base = 0x0C00;
1910 else
1911 kbdbl_ctl->base = 0x4000;
bf155714 1912
aa33924f
MC		 1913 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1914 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1915 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1916 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1917 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1918
1919 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1920 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1921 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1922 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1923 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1924
1925 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1926 if (ret)
bf155714
MD		 1927 goto outkzalloc;
1928
aa33924f
MC		 1929 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1930 if (ret)
bf155714
MD		 1931 goto outmode;
1932
294d31e8
MD		 1933 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1934 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
bf155714 1935
aa33924f 1936 return 0;
bf155714
MD		 1937
1938outmode:
aa33924f 1939 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
bf155714 1940outkzalloc:
aa33924f
MC		 1941 kfree(kbdbl_ctl);
1942 kbdbl_ctl = NULL;
1943 return ret;
bf155714
MD		 1944}
1945
1d885f42
MD		 1946static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1947 unsigned int handle)
bf155714 1948{
1d885f42 1949 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
aa33924f
MC		 1950 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1951 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
aa33924f
MC		 1952 kfree(kbdbl_ctl);
1953 kbdbl_ctl = NULL;
bf155714 1954 }
bf155714
MD		 1955}
1956
967145a0
MC		 1957struct battery_care_control {
1958 struct device_attribute attrs[2];
1959 unsigned int handle;
1960};
1961static struct battery_care_control *bcare_ctl;
1962
1963static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1964 struct device_attribute *attr,
1965 const char *buffer, size_t count)
1966{
1967 unsigned int result, cmd;
1968 unsigned long value;
1969
1970 if (count > 31)
1971 return -EINVAL;
1972
1973 if (kstrtoul(buffer, 10, &value))
1974 return -EINVAL;
1975
1976 /* limit values (2 bits):
1977 * 00 - none
1978 * 01 - 80%
1979 * 10 - 50%
1980 * 11 - 100%
1981 *
1982 * bit 0: 0 disable BCL, 1 enable BCL
1983 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1984 * bits 2,3: reserved
1985 * bits 4,5: store the limit into the EC
1986 * bits 6,7: store the limit into the battery
1987 */
15aa5c75 1988 cmd = 0;
967145a0 1989
15aa5c75
MD		 1990 if (value > 0) {
1991 if (value <= 50)
1992 cmd = 0x20;
1993
1994 else if (value <= 80)
1995 cmd = 0x10;
967145a0 1996
15aa5c75
MD		 1997 else if (value <= 100)
1998 cmd = 0x30;
967145a0 1999
15aa5c75
MD		 2000 else
2001 return -EINVAL;
967145a0 2002
15aa5c75
MD		 2003 /*
2004 * handle 0x0115 should allow storing on battery too;
2005 * handle 0x0136 same as 0x0115 + health status;
2006 * handle 0x013f, same as 0x0136 but no storing on the battery
2007 */
2008 if (bcare_ctl->handle != 0x013f)
2009 cmd = cmd | (cmd << 2);
967145a0 2010
15aa5c75
MD		 2011 cmd = (cmd | 0x1) << 0x10;
2012 }
967145a0 2013
15aa5c75 2014 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
967145a0
MC		 2015 return -EIO;
2016
2017 return count;
2018}
2019
2020static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2021 struct device_attribute *attr, char *buffer)
2022{
2023 unsigned int result, status;
2024
2025 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2026 return -EIO;
2027
2028 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2029 switch (status) {
2030 case 1:
2031 status = 80;
2032 break;
2033 case 2:
2034 status = 50;
2035 break;
2036 case 3:
2037 status = 100;
2038 break;
2039 default:
2040 status = 0;
2041 break;
2042 }
2043
2044 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2045}
2046
2047static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2048 struct device_attribute *attr, char *buffer)
2049{
2050 ssize_t count = 0;
2051 unsigned int health;
2052
2053 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2054 return -EIO;
2055
2056 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2057
2058 return count;
2059}
2060
2061static int sony_nc_battery_care_setup(struct platform_device *pd,
2062 unsigned int handle)
2063{
2064 int ret = 0;
2065
2066 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2067 if (!bcare_ctl)
2068 return -ENOMEM;
2069
2070 bcare_ctl->handle = handle;
2071
2072 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2073 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2074 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2075 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2076 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2077
2078 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2079 if (ret)
2080 goto outkzalloc;
2081
2082 /* 0x0115 is for models with no health reporting capability */
2083 if (handle == 0x0115)
2084 return 0;
2085
2086 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2087 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2088 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2089 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2090
2091 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2092 if (ret)
2093 goto outlimiter;
2094
2095 return 0;
2096
2097outlimiter:
2098 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2099
2100outkzalloc:
2101 kfree(bcare_ctl);
2102 bcare_ctl = NULL;
2103
2104 return ret;
2105}
2106
2107static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2108{
2109 if (bcare_ctl) {
2110 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2111 if (bcare_ctl->handle != 0x0115)
2112 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2113
2114 kfree(bcare_ctl);
2115 bcare_ctl = NULL;
2116 }
2117}
2118
49f000ad
MC		 2119struct snc_thermal_ctrl {
2120 unsigned int mode;
2121 unsigned int profiles;
2122 struct device_attribute mode_attr;
2123 struct device_attribute profiles_attr;
2124};
2125static struct snc_thermal_ctrl *th_handle;
2126
2127#define THM_PROFILE_MAX 3
2128static const char * const snc_thermal_profiles[] = {
2129 "balanced",
2130 "silent",
2131 "performance"
2132};
2133
2134static int sony_nc_thermal_mode_set(unsigned short mode)
2135{
2136 unsigned int result;
2137
2138 /* the thermal profile seems to be a two bit bitmask:
2139 * lsb -> silent
2140 * msb -> performance
2141 * no bit set is the normal operation and is always valid
2142 * Some vaio models only have "balanced" and "performance"
2143 */
2144 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2145 return -EINVAL;
2146
2147 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2148 return -EIO;
2149
2150 th_handle->mode = mode;
2151
2152 return 0;
2153}
2154
2155static int sony_nc_thermal_mode_get(void)
2156{
2157 unsigned int result;
2158
2159 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2160 return -EIO;
2161
2162 return result & 0xff;
2163}
2164
2165static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2166 struct device_attribute *attr, char *buffer)
2167{
2168 short cnt;
2169 size_t idx = 0;
2170
2171 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2172 if (!cnt || (th_handle->profiles & cnt))
2173 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2174 snc_thermal_profiles[cnt]);
2175 }
2176 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2177
2178 return idx;
2179}
2180
2181static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2182 struct device_attribute *attr,
2183 const char *buffer, size_t count)
2184{
2185 unsigned short cmd;
2186 size_t len = count;
2187
2188 if (count == 0)
2189 return -EINVAL;
2190
2191 /* skip the newline if present */
2192 if (buffer[len - 1] == '\n')
2193 len--;
2194
2195 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2196 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2197 break;
2198
2199 if (sony_nc_thermal_mode_set(cmd))
2200 return -EIO;
2201
2202 return count;
2203}
2204
2205static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2206 struct device_attribute *attr, char *buffer)
2207{
2208 ssize_t count = 0;
56f4a9f7 2209 int mode = sony_nc_thermal_mode_get();
49f000ad
MC		 2210
2211 if (mode < 0)
2212 return mode;
2213
2214 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2215
2216 return count;
2217}
2218
2219static int sony_nc_thermal_setup(struct platform_device *pd)
2220{
2221 int ret = 0;
2222 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2223 if (!th_handle)
2224 return -ENOMEM;
2225
2226 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2227 if (ret) {
2228 pr_warn("couldn't to read the thermal profiles\n");
2229 goto outkzalloc;
2230 }
2231
2232 ret = sony_nc_thermal_mode_get();
2233 if (ret < 0) {
2234 pr_warn("couldn't to read the current thermal profile");
2235 goto outkzalloc;
2236 }
2237 th_handle->mode = ret;
2238
2239 sysfs_attr_init(&th_handle->profiles_attr.attr);
2240 th_handle->profiles_attr.attr.name = "thermal_profiles";
2241 th_handle->profiles_attr.attr.mode = S_IRUGO;
2242 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2243
2244 sysfs_attr_init(&th_handle->mode_attr.attr);
2245 th_handle->mode_attr.attr.name = "thermal_control";
2246 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2247 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2248 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2249
2250 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2251 if (ret)
2252 goto outkzalloc;
2253
2254 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2255 if (ret)
2256 goto outprofiles;
2257
2258 return 0;
2259
2260outprofiles:
2261 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2262outkzalloc:
2263 kfree(th_handle);
2264 th_handle = NULL;
2265 return ret;
2266}
2267
2268static void sony_nc_thermal_cleanup(struct platform_device *pd)
2269{
2270 if (th_handle) {
2271 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2272 device_remove_file(&pd->dev, &th_handle->mode_attr);
2273 kfree(th_handle);
2274 th_handle = NULL;
2275 }
2276}
2277
3567a4e2 2278#ifdef CONFIG_PM_SLEEP
49f000ad
MC		 2279static void sony_nc_thermal_resume(void)
2280{
2281 unsigned int status = sony_nc_thermal_mode_get();
2282
2283 if (status != th_handle->mode)
2284 sony_nc_thermal_mode_set(th_handle->mode);
2285}
3567a4e2 2286#endif
49f000ad 2287
54535d08 2288/* resume on LID open */
35312076
JA		 2289#define LID_RESUME_S5 0
2290#define LID_RESUME_S4 1
2291#define LID_RESUME_S3 2
2292#define LID_RESUME_MAX 3
54535d08 2293struct snc_lid_resume_control {
35312076 2294 struct device_attribute attrs[LID_RESUME_MAX];
54535d08 2295 unsigned int status;
35312076 2296 int handle;
54535d08
MC		 2297};
2298static struct snc_lid_resume_control *lid_ctl;
2299
2300static ssize_t sony_nc_lid_resume_store(struct device *dev,
2301 struct device_attribute *attr,
2302 const char *buffer, size_t count)
2303{
35312076 2304 unsigned int result;
54535d08 2305 unsigned long value;
35312076 2306 unsigned int pos = LID_RESUME_S5;
54535d08
MC		 2307 if (count > 31)
2308 return -EINVAL;
2309
2310 if (kstrtoul(buffer, 10, &value) || value > 1)
2311 return -EINVAL;
2312
2313 /* the value we have to write to SNC is a bitmask:
2314 * +--------------+
2315 * | S3 | S4 | S5 |
2316 * +--------------+
2317 * 2 1 0
2318 */
35312076
JA		 2319 while (pos < LID_RESUME_MAX) {
2320 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2321 break;
2322 pos++;
2323 }
2324 if (pos == LID_RESUME_MAX)
2325 return -EINVAL;
54535d08
MC		 2326
2327 if (value)
2328 value = lid_ctl->status | (1 << pos);
2329 else
2330 value = lid_ctl->status & ~(1 << pos);
2331
35312076
JA		 2332 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2333 &result))
54535d08
MC		 2334 return -EIO;
2335
2336 lid_ctl->status = value;
2337
2338 return count;
2339}
2340
2341static ssize_t sony_nc_lid_resume_show(struct device *dev,
35312076
JA		 2342 struct device_attribute *attr,
2343 char *buffer)
54535d08 2344{
35312076
JA		 2345 unsigned int pos = LID_RESUME_S5;
2346
2347 while (pos < LID_RESUME_MAX) {
2348 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2349 return snprintf(buffer, PAGE_SIZE, "%d\n",
2350 (lid_ctl->status >> pos) & 0x01);
2351 pos++;
2352 }
2353 return -EINVAL;
54535d08
MC		 2354}
2355
35312076
JA		 2356static int sony_nc_lid_resume_setup(struct platform_device *pd,
2357 unsigned int handle)
54535d08
MC		 2358{
2359 unsigned int result;
2360 int i;
2361
35312076 2362 if (sony_call_snc_handle(handle, 0x0000, &result))
54535d08
MC		 2363 return -EIO;
2364
2365 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2366 if (!lid_ctl)
2367 return -ENOMEM;
2368
2369 lid_ctl->status = result & 0x7;
35312076 2370 lid_ctl->handle = handle;
54535d08
MC		 2371
2372 sysfs_attr_init(&lid_ctl->attrs[0].attr);
35312076
JA		 2373 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2374 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2375 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2376 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2377
2378 if (handle == 0x0119) {
2379 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2380 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2381 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2382 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2383 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2384
2385 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2386 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2387 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2388 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2389 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2390 }
2391 for (i = 0; i < LID_RESUME_MAX &&
dc8f0315 2392 lid_ctl->attrs[i].attr.name; i++) {
54535d08
MC		 2393 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2394 if (result)
2395 goto liderror;
2396 }
2397
2398 return 0;
2399
2400liderror:
34cf1df3 2401 for (i--; i >= 0; i--)
54535d08
MC		 2402 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2403
2404 kfree(lid_ctl);
2405 lid_ctl = NULL;
2406
2407 return result;
2408}
2409
2410static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2411{
2412 int i;
2413
2414 if (lid_ctl) {
35312076
JA		 2415 for (i = 0; i < LID_RESUME_MAX; i++) {
2416 if (!lid_ctl->attrs[i].attr.name)
2417 break;
2418
54535d08 2419 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
35312076 2420 }
54535d08
MC		 2421
2422 kfree(lid_ctl);
2423 lid_ctl = NULL;
2424 }
2425}
2426
3a7abcd8
MD		 2427/* GFX Switch position */
2428enum gfx_switch {
2429 SPEED,
2430 STAMINA,
2431 AUTO
2432};
2433struct snc_gfx_switch_control {
2434 struct device_attribute attr;
2435 unsigned int handle;
2436};
2437static struct snc_gfx_switch_control *gfxs_ctl;
2438
2439/* returns 0 for speed, 1 for stamina */
2440static int __sony_nc_gfx_switch_status_get(void)
2441{
2442 unsigned int result;
2443
0572b12a
AW		 2444 if (sony_call_snc_handle(gfxs_ctl->handle,
2445 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2446 &result))
3a7abcd8
MD		 2447 return -EIO;
2448
2449 switch (gfxs_ctl->handle) {
2450 case 0x0146:
2451 /* 1: discrete GFX (speed)
2452 * 0: integrated GFX (stamina)
2453 */
2454 return result & 0x1 ? SPEED : STAMINA;
2455 break;
0572b12a
AW		 2456 case 0x015B:
2457 /* 0: discrete GFX (speed)
2458 * 1: integrated GFX (stamina)
2459 */
2460 return result & 0x1 ? STAMINA : SPEED;
2461 break;
3a7abcd8
MD		 2462 case 0x0128:
2463 /* it's a more elaborated bitmask, for now:
2464 * 2: integrated GFX (stamina)
2465 * 0: discrete GFX (speed)
2466 */
2467 dprintk("GFX Status: 0x%x\n", result);
2468 return result & 0x80 ? AUTO :
2469 result & 0x02 ? STAMINA : SPEED;
2470 break;
2471 }
2472 return -EINVAL;
2473}
2474
2475static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2476 struct device_attribute *attr,
2477 char *buffer)
2478{
2479 int pos = __sony_nc_gfx_switch_status_get();
2480
2481 if (pos < 0)
2482 return pos;
2483
0b8cb621
DS		 2484 return snprintf(buffer, PAGE_SIZE, "%s\n",
2485 pos == SPEED ? "speed" :
2486 pos == STAMINA ? "stamina" :
2487 pos == AUTO ? "auto" : "unknown");
3a7abcd8
MD		 2488}
2489
2490static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2491 unsigned int handle)
2492{
2493 unsigned int result;
2494
2495 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2496 if (!gfxs_ctl)
2497 return -ENOMEM;
2498
2499 gfxs_ctl->handle = handle;
2500
2501 sysfs_attr_init(&gfxs_ctl->attr.attr);
2502 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2503 gfxs_ctl->attr.attr.mode = S_IRUGO;
2504 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2505
2506 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2507 if (result)
2508 goto gfxerror;
2509
2510 return 0;
2511
2512gfxerror:
2513 kfree(gfxs_ctl);
2514 gfxs_ctl = NULL;
2515
2516 return result;
2517}
2518
2519static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2520{
2521 if (gfxs_ctl) {
2522 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2523
2524 kfree(gfxs_ctl);
2525 gfxs_ctl = NULL;
2526 }
2527}
2528
88bf1706
MC		 2529/* High speed charging function */
2530static struct device_attribute *hsc_handle;
2531
2532static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2533 struct device_attribute *attr,
2534 const char *buffer, size_t count)
2535{
2536 unsigned int result;
2537 unsigned long value;
2538
2539 if (count > 31)
2540 return -EINVAL;
2541
2542 if (kstrtoul(buffer, 10, &value) || value > 1)
2543 return -EINVAL;
2544
2545 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2546 return -EIO;
2547
2548 return count;
2549}
2550
2551static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2552 struct device_attribute *attr, char *buffer)
2553{
2554 unsigned int result;
2555
2556 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2557 return -EIO;
2558
2559 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2560}
2561
2562static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2563{
2564 unsigned int result;
2565
2566 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2567 /* some models advertise the handle but have no implementation
2568 * for it
2569 */
2570 pr_info("No High Speed Charging capability found\n");
2571 return 0;
2572 }
2573
2574 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2575 if (!hsc_handle)
2576 return -ENOMEM;
2577
2578 sysfs_attr_init(&hsc_handle->attr);
2579 hsc_handle->attr.name = "battery_highspeed_charging";
2580 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2581 hsc_handle->show = sony_nc_highspeed_charging_show;
2582 hsc_handle->store = sony_nc_highspeed_charging_store;
2583
2584 result = device_create_file(&pd->dev, hsc_handle);
2585 if (result) {
2586 kfree(hsc_handle);
2587 hsc_handle = NULL;
2588 return result;
2589 }
2590
2591 return 0;
2592}
2593
2594static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2595{
2596 if (hsc_handle) {
2597 device_remove_file(&pd->dev, hsc_handle);
2598 kfree(hsc_handle);
2599 hsc_handle = NULL;
2600 }
2601}
2602
168de1ad
JA		 2603/* low battery function */
2604static struct device_attribute *lowbatt_handle;
2605
2606static ssize_t sony_nc_lowbatt_store(struct device *dev,
2607 struct device_attribute *attr,
2608 const char *buffer, size_t count)
2609{
2610 unsigned int result;
2611 unsigned long value;
2612
2613 if (count > 31)
2614 return -EINVAL;
2615
2616 if (kstrtoul(buffer, 10, &value) || value > 1)
2617 return -EINVAL;
2618
2619 if (sony_call_snc_handle(0x0121, value << 8, &result))
2620 return -EIO;
2621
2622 return count;
2623}
2624
2625static ssize_t sony_nc_lowbatt_show(struct device *dev,
2626 struct device_attribute *attr, char *buffer)
2627{
2628 unsigned int result;
2629
2630 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2631 return -EIO;
2632
2633 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2634}
2635
2636static int sony_nc_lowbatt_setup(struct platform_device *pd)
2637{
2638 unsigned int result;
2639
2640 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2641 if (!lowbatt_handle)
2642 return -ENOMEM;
2643
2644 sysfs_attr_init(&lowbatt_handle->attr);
2645 lowbatt_handle->attr.name = "lowbatt_hibernate";
2646 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2647 lowbatt_handle->show = sony_nc_lowbatt_show;
2648 lowbatt_handle->store = sony_nc_lowbatt_store;
2649
2650 result = device_create_file(&pd->dev, lowbatt_handle);
2651 if (result) {
2652 kfree(lowbatt_handle);
2653 lowbatt_handle = NULL;
2654 return result;
2655 }
2656
2657 return 0;
2658}
2659
2660static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2661{
2662 if (lowbatt_handle) {
2663 device_remove_file(&pd->dev, lowbatt_handle);
2664 kfree(lowbatt_handle);
2665 lowbatt_handle = NULL;
2666 }
2667}
2668
c62f1539
JA		 2669/* fan speed function */
2670static struct device_attribute *fan_handle, *hsf_handle;
2671
2672static ssize_t sony_nc_hsfan_store(struct device *dev,
2673 struct device_attribute *attr,
2674 const char *buffer, size_t count)
2675{
2676 unsigned int result;
2677 unsigned long value;
2678
2679 if (count > 31)
2680 return -EINVAL;
2681
2682 if (kstrtoul(buffer, 10, &value) || value > 1)
2683 return -EINVAL;
2684
2685 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2686 return -EIO;
2687
2688 return count;
2689}
2690
2691static ssize_t sony_nc_hsfan_show(struct device *dev,
2692 struct device_attribute *attr, char *buffer)
2693{
2694 unsigned int result;
2695
2696 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2697 return -EIO;
2698
2699 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2700}
2701
2702static ssize_t sony_nc_fanspeed_show(struct device *dev,
2703 struct device_attribute *attr, char *buffer)
2704{
2705 unsigned int result;
2706
2707 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2708 return -EIO;
2709
2710 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2711}
2712
2713static int sony_nc_fanspeed_setup(struct platform_device *pd)
2714{
2715 unsigned int result;
2716
2717 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2718 if (!fan_handle)
2719 return -ENOMEM;
2720
2721 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2722 if (!hsf_handle) {
2723 result = -ENOMEM;
2724 goto out_hsf_handle_alloc;
2725 }
2726
2727 sysfs_attr_init(&fan_handle->attr);
2728 fan_handle->attr.name = "fanspeed";
2729 fan_handle->attr.mode = S_IRUGO;
2730 fan_handle->show = sony_nc_fanspeed_show;
2731 fan_handle->store = NULL;
2732
2733 sysfs_attr_init(&hsf_handle->attr);
2734 hsf_handle->attr.name = "fan_forced";
2735 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2736 hsf_handle->show = sony_nc_hsfan_show;
2737 hsf_handle->store = sony_nc_hsfan_store;
2738
2739 result = device_create_file(&pd->dev, fan_handle);
2740 if (result)
2741 goto out_fan_handle;
2742
2743 result = device_create_file(&pd->dev, hsf_handle);
2744 if (result)
2745 goto out_hsf_handle;
2746
2747 return 0;
2748
2749out_hsf_handle:
2750 device_remove_file(&pd->dev, fan_handle);
2751
2752out_fan_handle:
2753 kfree(hsf_handle);
2754 hsf_handle = NULL;
2755
2756out_hsf_handle_alloc:
2757 kfree(fan_handle);
2758 fan_handle = NULL;
2759 return result;
2760}
2761
2762static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2763{
2764 if (fan_handle) {
2765 device_remove_file(&pd->dev, fan_handle);
2766 kfree(fan_handle);
2767 fan_handle = NULL;
2768 }
2769 if (hsf_handle) {
2770 device_remove_file(&pd->dev, hsf_handle);
2771 kfree(hsf_handle);
2772 hsf_handle = NULL;
2773 }
2774}
2775
2a26f341
JA		 2776/* USB charge function */
2777static struct device_attribute *uc_handle;
2778
2779static ssize_t sony_nc_usb_charge_store(struct device *dev,
2780 struct device_attribute *attr,
2781 const char *buffer, size_t count)
2782{
2783 unsigned int result;
2784 unsigned long value;
2785
2786 if (count > 31)
2787 return -EINVAL;
2788
2789 if (kstrtoul(buffer, 10, &value) || value > 1)
2790 return -EINVAL;
2791
2792 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2793 return -EIO;
2794
2795 return count;
2796}
2797
2798static ssize_t sony_nc_usb_charge_show(struct device *dev,
2799 struct device_attribute *attr, char *buffer)
2800{
2801 unsigned int result;
2802
2803 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2804 return -EIO;
2805
2806 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2807}
2808
2809static int sony_nc_usb_charge_setup(struct platform_device *pd)
2810{
2811 unsigned int result;
2812
2813 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2814 /* some models advertise the handle but have no implementation
2815 * for it
2816 */
2817 pr_info("No USB Charge capability found\n");
2818 return 0;
2819 }
2820
2821 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2822 if (!uc_handle)
2823 return -ENOMEM;
2824
2825 sysfs_attr_init(&uc_handle->attr);
2826 uc_handle->attr.name = "usb_charge";
2827 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2828 uc_handle->show = sony_nc_usb_charge_show;
2829 uc_handle->store = sony_nc_usb_charge_store;
2830
2831 result = device_create_file(&pd->dev, uc_handle);
2832 if (result) {
2833 kfree(uc_handle);
2834 uc_handle = NULL;
2835 return result;
2836 }
2837
2838 return 0;
2839}
2840
2841static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2842{
2843 if (uc_handle) {
2844 device_remove_file(&pd->dev, uc_handle);
2845 kfree(uc_handle);
2846 uc_handle = NULL;
2847 }
2848}
2849
9e04c908
JA		 2850/* Panel ID function */
2851static struct device_attribute *panel_handle;
2852
2853static ssize_t sony_nc_panelid_show(struct device *dev,
2854 struct device_attribute *attr, char *buffer)
2855{
2856 unsigned int result;
2857
2858 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2859 return -EIO;
2860
2861 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2862}
2863
2864static int sony_nc_panelid_setup(struct platform_device *pd)
2865{
2866 unsigned int result;
2867
2868 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2869 if (!panel_handle)
2870 return -ENOMEM;
2871
2872 sysfs_attr_init(&panel_handle->attr);
2873 panel_handle->attr.name = "panel_id";
2874 panel_handle->attr.mode = S_IRUGO;
2875 panel_handle->show = sony_nc_panelid_show;
2876 panel_handle->store = NULL;
2877
2878 result = device_create_file(&pd->dev, panel_handle);
2879 if (result) {
2880 kfree(panel_handle);
2881 panel_handle = NULL;
2882 return result;
2883 }
2884
2885 return 0;
2886}
2887
2888static void sony_nc_panelid_cleanup(struct platform_device *pd)
2889{
2890 if (panel_handle) {
2891 device_remove_file(&pd->dev, panel_handle);
2892 kfree(panel_handle);
2893 panel_handle = NULL;
2894 }
2895}
2896
d58dc780
JA		 2897/* smart connect function */
2898static struct device_attribute *sc_handle;
2899
2900static ssize_t sony_nc_smart_conn_store(struct device *dev,
2901 struct device_attribute *attr,
2902 const char *buffer, size_t count)
2903{
2904 unsigned int result;
2905 unsigned long value;
2906
2907 if (count > 31)
2908 return -EINVAL;
2909
2910 if (kstrtoul(buffer, 10, &value) || value > 1)
2911 return -EINVAL;
2912
2913 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2914 return -EIO;
2915
2916 return count;
2917}
2918
2919static int sony_nc_smart_conn_setup(struct platform_device *pd)
2920{
2921 unsigned int result;
2922
2923 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2924 if (!sc_handle)
2925 return -ENOMEM;
2926
2927 sysfs_attr_init(&sc_handle->attr);
2928 sc_handle->attr.name = "smart_connect";
2929 sc_handle->attr.mode = S_IWUSR;
2930 sc_handle->show = NULL;
2931 sc_handle->store = sony_nc_smart_conn_store;
2932
2933 result = device_create_file(&pd->dev, sc_handle);
2934 if (result) {
2935 kfree(sc_handle);
2936 sc_handle = NULL;
2937 return result;
2938 }
2939
2940 return 0;
2941}
2942
2943static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2944{
2945 if (sc_handle) {
2946 device_remove_file(&pd->dev, sc_handle);
2947 kfree(sc_handle);
2948 sc_handle = NULL;
2949 }
2950}
2951
2b8791c4
MC		 2952/* Touchpad enable/disable */
2953struct touchpad_control {
2954 struct device_attribute attr;
2955 int handle;
2956};
2957static struct touchpad_control *tp_ctl;
2958
2959static ssize_t sony_nc_touchpad_store(struct device *dev,
2960 struct device_attribute *attr, const char *buffer, size_t count)
2961{
2962 unsigned int result;
2963 unsigned long value;
2964
2965 if (count > 31)
2966 return -EINVAL;
2967
2968 if (kstrtoul(buffer, 10, &value) || value > 1)
2969 return -EINVAL;
2970
2971 /* sysfs: 0 disabled, 1 enabled
2972 * EC: 0 enabled, 1 disabled
2973 */
2974 if (sony_call_snc_handle(tp_ctl->handle,
2975 (!value << 0x10) | 0x100, &result))
2976 return -EIO;
2977
2978 return count;
2979}
2980
2981static ssize_t sony_nc_touchpad_show(struct device *dev,
2982 struct device_attribute *attr, char *buffer)
2983{
2984 unsigned int result;
2985
2986 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2987 return -EINVAL;
2988
2989 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2990}
2991
2992static int sony_nc_touchpad_setup(struct platform_device *pd,
2993 unsigned int handle)
2994{
2995 int ret = 0;
2996
2997 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2998 if (!tp_ctl)
2999 return -ENOMEM;
3000
3001 tp_ctl->handle = handle;
3002
3003 sysfs_attr_init(&tp_ctl->attr.attr);
3004 tp_ctl->attr.attr.name = "touchpad";
3005 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3006 tp_ctl->attr.show = sony_nc_touchpad_show;
3007 tp_ctl->attr.store = sony_nc_touchpad_store;
3008
3009 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3010 if (ret) {
3011 kfree(tp_ctl);
3012 tp_ctl = NULL;
3013 }
3014
3015 return ret;
3016}
3017
3018static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3019{
3020 if (tp_ctl) {
3021 device_remove_file(&pd->dev, &tp_ctl->attr);
3022 kfree(tp_ctl);
3023 tp_ctl = NULL;
3024 }
3025}
3026
62d2f23e
MD		 3027static void sony_nc_backlight_ng_read_limits(int handle,
3028 struct sony_backlight_props *props)
3029{
ebcef1b0
MD		 3030 u64 offset;
3031 int i;
014fc8fb 3032 int lvl_table_len = 0;
62d2f23e 3033 u8 min = 0xff, max = 0x00;
ebcef1b0 3034 unsigned char buffer[32] = { 0 };
62d2f23e
MD		 3035
3036 props->handle = handle;
3037 props->offset = 0;
3038 props->maxlvl = 0xff;
3039
3040 offset = sony_find_snc_handle(handle);
62d2f23e
MD		 3041
3042 /* try to read the boundaries from ACPI tables, if we fail the above
3043 * defaults should be reasonable
3044 */
ebcef1b0
MD		 3045 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3046 32);
3047 if (i < 0)
62d2f23e 3048 return;
62d2f23e 3049
014fc8fb
MD		 3050 switch (handle) {
3051 case 0x012f:
3052 case 0x0137:
3053 lvl_table_len = 9;
3054 break;
3055 case 0x143:
7517a17c
MD		 3056 case 0x14b:
3057 case 0x14c:
014fc8fb
MD		 3058 lvl_table_len = 16;
3059 break;
3060 }
3061
62d2f23e 3062 /* the buffer lists brightness levels available, brightness levels are
ebcef1b0
MD		 3063 * from position 0 to 8 in the array, other values are used by ALS
3064 * control.
62d2f23e 3065 */
014fc8fb 3066 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
62d2f23e 3067
ebcef1b0 3068 dprintk("Brightness level: %d\n", buffer[i]);
62d2f23e 3069
ebcef1b0 3070 if (!buffer[i])
62d2f23e
MD		 3071 break;
3072
ebcef1b0
MD		 3073 if (buffer[i] > max)
3074 max = buffer[i];
3075 if (buffer[i] < min)
3076 min = buffer[i];
62d2f23e
MD		 3077 }
3078 props->offset = min;
3079 props->maxlvl = max;
3080 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3081 props->maxlvl);
62d2f23e
MD		 3082}
3083
7751ab8e
MD		 3084static void sony_nc_backlight_setup(void)
3085{
7751ab8e
MD		 3086 int max_brightness = 0;
3087 const struct backlight_ops *ops = NULL;
3088 struct backlight_properties props;
3089
a1071a5a 3090 if (sony_find_snc_handle(0x12f) >= 0) {
7751ab8e 3091 ops = &sony_backlight_ng_ops;
014fc8fb 3092 sony_bl_props.cmd_base = 0x0100;
62d2f23e
MD		 3093 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3094 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
7751ab8e 3095
a1071a5a 3096 } else if (sony_find_snc_handle(0x137) >= 0) {
7751ab8e 3097 ops = &sony_backlight_ng_ops;
014fc8fb 3098 sony_bl_props.cmd_base = 0x0100;
62d2f23e
MD		 3099 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3100 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
7751ab8e 3101
a1071a5a 3102 } else if (sony_find_snc_handle(0x143) >= 0) {
014fc8fb
MD		 3103 ops = &sony_backlight_ng_ops;
3104 sony_bl_props.cmd_base = 0x3000;
3105 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3106 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3107
7517a17c
MD		 3108 } else if (sony_find_snc_handle(0x14b) >= 0) {
3109 ops = &sony_backlight_ng_ops;
3110 sony_bl_props.cmd_base = 0x3000;
3111 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3112 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3113
3114 } else if (sony_find_snc_handle(0x14c) >= 0) {
3115 ops = &sony_backlight_ng_ops;
3116 sony_bl_props.cmd_base = 0x3000;
3117 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3118 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3119
8a8bce1d 3120 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
7751ab8e
MD		 3121 ops = &sony_backlight_ops;
3122 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3123
3124 } else
3125 return;
3126
3127 memset(&props, 0, sizeof(struct backlight_properties));
3128 props.type = BACKLIGHT_PLATFORM;
3129 props.max_brightness = max_brightness;
62d2f23e
MD		 3130 sony_bl_props.dev = backlight_device_register("sony", NULL,
3131 &sony_bl_props,
3132 ops, &props);
7751ab8e 3133
62d2f23e 3134 if (IS_ERR(sony_bl_props.dev)) {
50f581a4 3135 pr_warn("unable to register backlight device\n");
62d2f23e 3136 sony_bl_props.dev = NULL;
7751ab8e 3137 } else
62d2f23e
MD		 3138 sony_bl_props.dev->props.brightness =
3139 ops->get_brightness(sony_bl_props.dev);
7751ab8e
MD		 3140}
3141
3142static void sony_nc_backlight_cleanup(void)
3143{
00981810 3144 backlight_device_unregister(sony_bl_props.dev);
7751ab8e
MD		 3145}
3146
59b19106 3147static int sony_nc_add(struct acpi_device *device)
7f09c432
SP		 3148{
3149 acpi_status status;
8607c673 3150 int result = 0;
56b8756b 3151 struct sony_nc_value *item;
7f09c432 3152
59b19106 3153 sony_nc_acpi_device = device;
33a04454 3154 strcpy(acpi_device_class(device), "sony/hotkey");
c561162f 3155
59b19106 3156 sony_nc_acpi_handle = device->handle;
7f09c432 3157
b25b732a
MD		 3158 /* read device status */
3159 result = acpi_bus_get_status(device);
3160 /* bail IFF the above call was successful and the device is not present */
3161 if (!result && !device->status.present) {
3162 dprintk("Device not present\n");
3163 result = -ENODEV;
3164 goto outwalk;
3165 }
3166
2a4f0c81
MD		 3167 result = sony_pf_add();
3168 if (result)
3169 goto outpresent;
3170
7f09c432 3171 if (debug) {
d6697938
MD		 3172 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3173 sony_nc_acpi_handle, 1, sony_walk_callback,
3174 NULL, NULL, NULL);
7f09c432 3175 if (ACPI_FAILURE(status)) {
50f581a4 3176 pr_warn("unable to walk acpi resources\n");
7f09c432 3177 result = -ENODEV;
2a4f0c81 3178 goto outpresent;
7f09c432 3179 }
c561162f 3180 }
7f09c432 3181
ca3c2c70
MD		 3182 result = sony_laptop_setup_input(device);
3183 if (result) {
3184 pr_err("Unable to create input devices\n");
3185 goto outplatform;
3186 }
3187
8a8bce1d 3188 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
ebcef1b0
MD		 3189 int arg = 1;
3190 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
82734bfc
MG		 3191 dprintk("ECON Method failed\n");
3192 }
3193
8a8bce1d 3194 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
badf26f0 3195 dprintk("Doing SNC setup\n");
5fe801a7 3196 /* retrieve the available handles */
7227dedb 3197 result = sony_nc_handles_setup(sony_pf_device);
5fe801a7
MC		 3198 if (!result)
3199 sony_nc_function_setup(device, sony_pf_device);
badf26f0
MG		 3200 }
3201
56d5c34a 3202 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
7751ab8e 3203 sony_nc_backlight_setup();
7f09c432 3204
56b8756b 3205 /* create sony_pf sysfs attributes related to the SNC device */
3206 for (item = sony_nc_values; item->name; ++item) {
3207
3208 if (!debug && item->debug)
3209 continue;
3210
3211 /* find the available acpiget as described in the DSDT */
3212 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
8a8bce1d
ZR		 3213 if (acpi_has_method(sony_nc_acpi_handle,
3214 *item->acpiget)) {
b9a218b7 3215 dprintk("Found %s getter: %s\n",
3216 item->name, *item->acpiget);
56b8756b 3217 item->devattr.attr.mode |= S_IRUGO;
3218 break;
3219 }
3220 }
3221
3222 /* find the available acpiset as described in the DSDT */
3223 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
8a8bce1d
ZR		 3224 if (acpi_has_method(sony_nc_acpi_handle,
3225 *item->acpiset)) {
b9a218b7 3226 dprintk("Found %s setter: %s\n",
3227 item->name, *item->acpiset);
56b8756b 3228 item->devattr.attr.mode |= S_IWUSR;
3229 break;
3230 }
3231 }
3232
3233 if (item->devattr.attr.mode != 0) {
3234 result =
3235 device_create_file(&sony_pf_device->dev,
3236 &item->devattr);
3237 if (result)
3238 goto out_sysfs;
3239 }
3240 }
3241
e22510ea 3242 pr_info("SNC setup done.\n");
7f09c432
SP		 3243 return 0;
3244
ca3c2c70 3245out_sysfs:
56b8756b 3246 for (item = sony_nc_values; item->name; ++item) {
3247 device_remove_file(&sony_pf_device->dev, &item->devattr);
3248 }
7751ab8e 3249 sony_nc_backlight_cleanup();
5fe801a7 3250 sony_nc_function_cleanup(sony_pf_device);
2a4f0c81
MD		 3251 sony_nc_handles_cleanup(sony_pf_device);
3252
ca3c2c70
MD		 3253outplatform:
3254 sony_laptop_remove_input();
3255
3256outpresent:
2a4f0c81
MD		 3257 sony_pf_remove();
3258
ca3c2c70 3259outwalk:
6cc056bc 3260 sony_nc_rfkill_cleanup();
7f09c432
SP		 3261 return result;
3262}
3263
51fac838 3264static int sony_nc_remove(struct acpi_device *device)
7f09c432 3265{
56b8756b 3266 struct sony_nc_value *item;
7f09c432 3267
7751ab8e 3268 sony_nc_backlight_cleanup();
50f62afb 3269
59b19106 3270 sony_nc_acpi_device = NULL;
c561162f 3271
56b8756b 3272 for (item = sony_nc_values; item->name; ++item) {
3273 device_remove_file(&sony_pf_device->dev, &item->devattr);
3274 }
3275
5fe801a7 3276 sony_nc_function_cleanup(sony_pf_device);
2a4f0c81 3277 sony_nc_handles_cleanup(sony_pf_device);
56b8756b 3278 sony_pf_remove();
1549ee6f 3279 sony_laptop_remove_input();
f6119b02 3280 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
7f09c432
SP		 3281
3282 return 0;
3283}
3284
1ba90e3a
TR		 3285static const struct acpi_device_id sony_device_ids[] = {
3286 {SONY_NC_HID, 0},
3287 {SONY_PIC_HID, 0},
3288 {"", 0},
3289};
3290MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3291
3292static const struct acpi_device_id sony_nc_device_ids[] = {
3293 {SONY_NC_HID, 0},
3294 {"", 0},
3295};
3296
59b19106 3297static struct acpi_driver sony_nc_driver = {
3298 .name = SONY_NC_DRIVER_NAME,
3299 .class = SONY_NC_CLASS,
1ba90e3a 3300 .ids = sony_nc_device_ids,
33a04454 3301 .owner = THIS_MODULE,
a02d1c1d 3302 .ops = {
59b19106 3303 .add = sony_nc_add,
3304 .remove = sony_nc_remove,
8037d6e6 3305 .notify = sony_nc_notify,
a02d1c1d 3306 },
bb6b98d6 3307 .drv.pm = &sony_nc_pm,
3f4f461f
AM		 3308};
3309
33a04454 3310/*********** SPIC (SNY6001) Device ***********/
3311
3312#define SONYPI_DEVICE_TYPE1 0x00000001
3313#define SONYPI_DEVICE_TYPE2 0x00000002
3314#define SONYPI_DEVICE_TYPE3 0x00000004
3315
22a17780
MD		 3316#define SONYPI_TYPE1_OFFSET 0x04
3317#define SONYPI_TYPE2_OFFSET 0x12
3318#define SONYPI_TYPE3_OFFSET 0x12
33a04454 3319
33a04454 3320struct sony_pic_ioport {
fd1caaed
MD		 3321 struct acpi_resource_io io1;
3322 struct acpi_resource_io io2;
33a04454 3323 struct list_head list;
3324};
3325
3326struct sony_pic_irq {
3327 struct acpi_resource_irq irq;
3328 struct list_head list;
3329};
3330
de920430
MD		 3331struct sonypi_eventtypes {
3332 u8 data;
3333 unsigned long mask;
3334 struct sonypi_event *events;
3335};
3336
31df7144
MD		 3337struct sony_pic_dev {
3338 struct acpi_device *acpi_dev;
3339 struct sony_pic_irq *cur_irq;
3340 struct sony_pic_ioport *cur_ioport;
3341 struct list_head interrupts;
3342 struct list_head ioports;
3343 struct mutex lock;
3344 struct sonypi_eventtypes *event_types;
3345 int (*handle_irq)(const u8, const u8);
de920430 3346 int model;
de920430 3347 u16 evport_offset;
31df7144
MD		 3348 u8 camera_power;
3349 u8 bluetooth_power;
3350 u8 wwan_power;
33a04454 3351};
3352
3353static struct sony_pic_dev spic_dev = {
3354 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3355 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3356};
3357
5e6f9725
AJ		 3358static int spic_drv_registered;
3359
33a04454 3360/* Event masks */
3361#define SONYPI_JOGGER_MASK 0x00000001
3362#define SONYPI_CAPTURE_MASK 0x00000002
3363#define SONYPI_FNKEY_MASK 0x00000004
3364#define SONYPI_BLUETOOTH_MASK 0x00000008
3365#define SONYPI_PKEY_MASK 0x00000010
3366#define SONYPI_BACK_MASK 0x00000020
3367#define SONYPI_HELP_MASK 0x00000040
3368#define SONYPI_LID_MASK 0x00000080
3369#define SONYPI_ZOOM_MASK 0x00000100
3370#define SONYPI_THUMBPHRASE_MASK 0x00000200
3371#define SONYPI_MEYE_MASK 0x00000400
3372#define SONYPI_MEMORYSTICK_MASK 0x00000800
3373#define SONYPI_BATTERY_MASK 0x00001000
3374#define SONYPI_WIRELESS_MASK 0x00002000
3375
3376struct sonypi_event {
3377 u8 data;
3378 u8 event;
3379};
3380
3381/* The set of possible button release events */
3382static struct sonypi_event sonypi_releaseev[] = {
3383 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3384 { 0, 0 }
3385};
3386
3387/* The set of possible jogger events */
3388static struct sonypi_event sonypi_joggerev[] = {
3389 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3390 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3391 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3392 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3393 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3394 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3395 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3396 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3397 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3398 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3399 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3400 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3401 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3402 { 0, 0 }
3403};
3404
3405/* The set of possible capture button events */
3406static struct sonypi_event sonypi_captureev[] = {
3407 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3408 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3eb8749a 3409 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
33a04454 3410 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3411 { 0, 0 }
3412};
3413
3414/* The set of possible fnkeys events */
3415static struct sonypi_event sonypi_fnkeyev[] = {
3416 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3417 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3418 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3419 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3420 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3421 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3422 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3423 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3424 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3425 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3426 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3427 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3428 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3429 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3430 { 0x21, SONYPI_EVENT_FNKEY_1 },
3431 { 0x22, SONYPI_EVENT_FNKEY_2 },
3432 { 0x31, SONYPI_EVENT_FNKEY_D },
3433 { 0x32, SONYPI_EVENT_FNKEY_E },
3434 { 0x33, SONYPI_EVENT_FNKEY_F },
3435 { 0x34, SONYPI_EVENT_FNKEY_S },
3436 { 0x35, SONYPI_EVENT_FNKEY_B },
3437 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3438 { 0, 0 }
3439};
3440
3441/* The set of possible program key events */
3442static struct sonypi_event sonypi_pkeyev[] = {
3443 { 0x01, SONYPI_EVENT_PKEY_P1 },
3444 { 0x02, SONYPI_EVENT_PKEY_P2 },
3445 { 0x04, SONYPI_EVENT_PKEY_P3 },
1cae7103 3446 { 0x20, SONYPI_EVENT_PKEY_P1 },
33a04454 3447 { 0, 0 }
3448};
3449
3450/* The set of possible bluetooth events */
3451static struct sonypi_event sonypi_blueev[] = {
3452 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3453 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3454 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3455 { 0, 0 }
3456};
3457
3458/* The set of possible wireless events */
3459static struct sonypi_event sonypi_wlessev[] = {
4eeb5022
MD		 3460 { 0x59, SONYPI_EVENT_IGNORE },
3461 { 0x5a, SONYPI_EVENT_IGNORE },
33a04454 3462 { 0, 0 }
3463};
3464
3465/* The set of possible back button events */
3466static struct sonypi_event sonypi_backev[] = {
3467 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3468 { 0, 0 }
3469};
3470
3471/* The set of possible help button events */
3472static struct sonypi_event sonypi_helpev[] = {
3473 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3474 { 0, 0 }
3475};
3476
3477
3478/* The set of possible lid events */
3479static struct sonypi_event sonypi_lidev[] = {
3480 { 0x51, SONYPI_EVENT_LID_CLOSED },
3481 { 0x50, SONYPI_EVENT_LID_OPENED },
3482 { 0, 0 }
3483};
3484
3485/* The set of possible zoom events */
3486static struct sonypi_event sonypi_zoomev[] = {
3487 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3eb8749a
MD		 3488 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3489 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1cae7103 3490 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
33a04454 3491 { 0, 0 }
3492};
3493
3494/* The set of possible thumbphrase events */
3495static struct sonypi_event sonypi_thumbphraseev[] = {
3496 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3497 { 0, 0 }
3498};
3499
3500/* The set of possible motioneye camera events */
3501static struct sonypi_event sonypi_meyeev[] = {
3502 { 0x00, SONYPI_EVENT_MEYE_FACE },
3503 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3504 { 0, 0 }
3505};
3506
3507/* The set of possible memorystick events */
3508static struct sonypi_event sonypi_memorystickev[] = {
3509 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3510 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3511 { 0, 0 }
3512};
3513
3514/* The set of possible battery events */
3515static struct sonypi_event sonypi_batteryev[] = {
3516 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3517 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3518 { 0, 0 }
3519};
3520
1cae7103
HJ		 3521/* The set of possible volume events */
3522static struct sonypi_event sonypi_volumeev[] = {
3523 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3524 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3525 { 0, 0 }
3526};
3527
3528/* The set of possible brightness events */
3529static struct sonypi_event sonypi_brightnessev[] = {
3530 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3531 { 0, 0 }
3532};
3533
de920430
MD		 3534static struct sonypi_eventtypes type1_events[] = {
3535 { 0, 0xffffffff, sonypi_releaseev },
3536 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3537 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3538 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3539 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3540 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3541 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3542 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3543 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3544 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3545 { 0 },
3546};
3547static struct sonypi_eventtypes type2_events[] = {
3548 { 0, 0xffffffff, sonypi_releaseev },
3549 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3550 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3551 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3552 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3553 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3554 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3555 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3556 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3557 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3558 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3559 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3560 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3561 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3562 { 0 },
3563};
3564static struct sonypi_eventtypes type3_events[] = {
3565 { 0, 0xffffffff, sonypi_releaseev },
3566 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3567 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3568 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3569 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3570 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3eb8749a
MD		 3571 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3572 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3573 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1cae7103
HJ		 3574 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3575 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3eb8749a 3576 { 0 },
de920430
MD		 3577};
3578
3eb8749a 3579/* low level spic calls */
33a04454 3580#define ITERATIONS_LONG 10000
3581#define ITERATIONS_SHORT 10
3582#define wait_on_command(command, iterations) { \
3583 unsigned int n = iterations; \
3584 while (--n && (command)) \
3585 udelay(1); \
3586 if (!n) \
3587 dprintk("command failed at %s : %s (line %d)\n", \
6e574195 3588 __FILE__, __func__, __LINE__); \
33a04454 3589}
3590
3591static u8 sony_pic_call1(u8 dev)
3592{
3593 u8 v1, v2;
3594
fd1caaed 3595 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
33a04454 3596 ITERATIONS_LONG);
fd1caaed
MD		 3597 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3598 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3599 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
75a1f9ce 3600 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
33a04454 3601 return v2;
3602}
3603
3604static u8 sony_pic_call2(u8 dev, u8 fn)
3605{
3606 u8 v1;
3607
fd1caaed 3608 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
33a04454 3609 ITERATIONS_LONG);
fd1caaed
MD		 3610 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3611 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
33a04454 3612 ITERATIONS_LONG);
fd1caaed
MD		 3613 outb(fn, spic_dev.cur_ioport->io1.minimum);
3614 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
75a1f9ce 3615 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
33a04454 3616 return v1;
3617}
3618
49a11dea 3619static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3620{
3621 u8 v1;
3622
fd1caaed
MD		 3623 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3624 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3625 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3626 outb(fn, spic_dev.cur_ioport->io1.minimum);
3627 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3628 outb(v, spic_dev.cur_ioport->io1.minimum);
3629 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
75a1f9ce
MD		 3630 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3631 dev, fn, v, v1);
49a11dea 3632 return v1;
3633}
3634
3eb8749a
MD		 3635/*
3636 * minidrivers for SPIC models
3637 */
e93c8a68 3638static int type3_handle_irq(const u8 data_mask, const u8 ev)
3eb8749a
MD		 3639{
3640 /*
3641 * 0x31 could mean we have to take some extra action and wait for
e93c8a68 3642 * the next irq for some Type3 models, it will generate a new
3eb8749a
MD		 3643 * irq and we can read new data from the device:
3644 * - 0x5c and 0x5f requires 0xA0
3645 * - 0x61 requires 0xB3
3646 */
3647 if (data_mask == 0x31) {
3648 if (ev == 0x5c || ev == 0x5f)
3649 sony_pic_call1(0xA0);
3650 else if (ev == 0x61)
3651 sony_pic_call1(0xB3);
3652 return 0;
3653 }
3654 return 1;
3655}
3656
3eb8749a
MD		 3657static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3658{
3659 struct pci_dev *pcidev;
3660
3661 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3662 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3663 if (pcidev) {
31df7144
MD		 3664 dev->model = SONYPI_DEVICE_TYPE1;
3665 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3666 dev->event_types = type1_events;
3eb8749a
MD		 3667 goto out;
3668 }
3669
3670 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3671 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3672 if (pcidev) {
31df7144
MD		 3673 dev->model = SONYPI_DEVICE_TYPE2;
3674 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3675 dev->event_types = type2_events;
3eb8749a
MD		 3676 goto out;
3677 }
3678
3679 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3680 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3681 if (pcidev) {
31df7144
MD		 3682 dev->model = SONYPI_DEVICE_TYPE3;
3683 dev->handle_irq = type3_handle_irq;
3684 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3685 dev->event_types = type3_events;
3eb8749a
MD		 3686 goto out;
3687 }
3688
3689 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3690 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3691 if (pcidev) {
31df7144
MD		 3692 dev->model = SONYPI_DEVICE_TYPE3;
3693 dev->handle_irq = type3_handle_irq;
3694 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3695 dev->event_types = type3_events;
3eb8749a
MD		 3696 goto out;
3697 }
3698
d5b02695
IM		 3699 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3700 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3701 if (pcidev) {
31df7144
MD		 3702 dev->model = SONYPI_DEVICE_TYPE3;
3703 dev->handle_irq = type3_handle_irq;
3704 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3705 dev->event_types = type3_events;
d5b02695
IM		 3706 goto out;
3707 }
3708
3eb8749a 3709 /* default */
31df7144
MD		 3710 dev->model = SONYPI_DEVICE_TYPE2;
3711 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3712 dev->event_types = type2_events;
3eb8749a
MD		 3713
3714out:
c6b7ef21 3715 pci_dev_put(pcidev);
3eb8749a 3716
50f581a4
JP		 3717 pr_info("detected Type%d model\n",
3718 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3719 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3eb8749a
MD		 3720}
3721
49a11dea 3722/* camera tests and poweron/poweroff */
3723#define SONYPI_CAMERA_PICTURE 5
49a11dea 3724#define SONYPI_CAMERA_CONTROL 0x10
e364632e 3725
3726#define SONYPI_CAMERA_BRIGHTNESS 0
3727#define SONYPI_CAMERA_CONTRAST 1
3728#define SONYPI_CAMERA_HUE 2
3729#define SONYPI_CAMERA_COLOR 3
3730#define SONYPI_CAMERA_SHARPNESS 4
3731
3732#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3733#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3734#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3735#define SONYPI_CAMERA_MUTE_MASK 0x40
3736
3737/* the rest don't need a loop until not 0xff */
3738#define SONYPI_CAMERA_AGC 6
3739#define SONYPI_CAMERA_AGC_MASK 0x30
3740#define SONYPI_CAMERA_SHUTTER_MASK 0x7
3741
3742#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3743#define SONYPI_CAMERA_CONTROL 0x10
3744
3745#define SONYPI_CAMERA_STATUS 7
3746#define SONYPI_CAMERA_STATUS_READY 0x2
3747#define SONYPI_CAMERA_STATUS_POSITION 0x4
3748
3749#define SONYPI_DIRECTION_BACKWARDS 0x4
3750
3751#define SONYPI_CAMERA_REVISION 8
3752#define SONYPI_CAMERA_ROMVERSION 9
49a11dea 3753
9f9f0761 3754static int __sony_pic_camera_ready(void)
49a11dea 3755{
3756 u8 v;
3757
3758 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3759 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3760}
3761
e364632e 3762static int __sony_pic_camera_off(void)
49a11dea 3763{
5f3d2898 3764 if (!camera) {
50f581a4 3765 pr_warn("camera control not enabled\n");
5f3d2898 3766 return -ENODEV;
3767 }
3768
49a11dea 3769 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3770 SONYPI_CAMERA_MUTE_MASK),
3771 ITERATIONS_SHORT);
3772
5f3d2898 3773 if (spic_dev.camera_power) {
3774 sony_pic_call2(0x91, 0);
3775 spic_dev.camera_power = 0;
3776 }
3777 return 0;
49a11dea 3778}
3779
e364632e 3780static int __sony_pic_camera_on(void)
49a11dea 3781{
5f3d2898 3782 int i, j, x;
3783
3784 if (!camera) {
50f581a4 3785 pr_warn("camera control not enabled\n");
5f3d2898 3786 return -ENODEV;
3787 }
49a11dea 3788
3789 if (spic_dev.camera_power)
e364632e 3790 return 0;
49a11dea 3791
3792 for (j = 5; j > 0; j--) {
3793
5f3d2898 3794 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
49a11dea 3795 msleep(10);
3796 sony_pic_call1(0x93);
3797
3798 for (i = 400; i > 0; i--) {
9f9f0761 3799 if (__sony_pic_camera_ready())
49a11dea 3800 break;
3801 msleep(10);
3802 }
3803 if (i)
3804 break;
3805 }
3806
3807 if (j == 0) {
50f581a4 3808 pr_warn("failed to power on camera\n");
e364632e 3809 return -ENODEV;
49a11dea 3810 }
3811
3812 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3813 0x5a),
3814 ITERATIONS_SHORT);
3815
3816 spic_dev.camera_power = 1;
5f3d2898 3817 return 0;
49a11dea 3818}
3819
e364632e 3820/* External camera command (exported to the motion eye v4l driver) */
3821int sony_pic_camera_command(int command, u8 value)
3822{
3823 if (!camera)
3824 return -EIO;
3825
3826 mutex_lock(&spic_dev.lock);
3827
3828 switch (command) {
1ce82c14 3829 case SONY_PIC_COMMAND_SETCAMERA:
e364632e 3830 if (value)
3831 __sony_pic_camera_on();
3832 else
3833 __sony_pic_camera_off();
3834 break;
1ce82c14 3835 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
e364632e 3836 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3837 ITERATIONS_SHORT);
3838 break;
1ce82c14 3839 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
e364632e 3840 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3841 ITERATIONS_SHORT);
3842 break;
1ce82c14 3843 case SONY_PIC_COMMAND_SETCAMERAHUE:
e364632e 3844 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3845 ITERATIONS_SHORT);
3846 break;
1ce82c14 3847 case SONY_PIC_COMMAND_SETCAMERACOLOR:
e364632e 3848 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3849 ITERATIONS_SHORT);
3850 break;
1ce82c14 3851 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
e364632e 3852 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3853 ITERATIONS_SHORT);
3854 break;
1ce82c14 3855 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
e364632e 3856 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3857 ITERATIONS_SHORT);
3858 break;
1ce82c14 3859 case SONY_PIC_COMMAND_SETCAMERAAGC:
e364632e 3860 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3861 ITERATIONS_SHORT);
3862 break;
3863 default:
50f581a4 3864 pr_err("sony_pic_camera_command invalid: %d\n", command);
e364632e 3865 break;
3866 }
3867 mutex_unlock(&spic_dev.lock);
3868 return 0;
3869}
3870EXPORT_SYMBOL(sony_pic_camera_command);
3871
9476cdfa 3872/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
c9f1e6f6 3873static void __sony_pic_set_wwanpower(u8 state)
9476cdfa 3874{
3875 state = !!state;
c9f1e6f6 3876 if (spic_dev.wwan_power == state)
9476cdfa 3877 return;
9476cdfa 3878 sony_pic_call2(0xB0, state);
3ad1b761 3879 sony_pic_call1(0x82);
9476cdfa 3880 spic_dev.wwan_power = state;
9476cdfa 3881}
3882
3883static ssize_t sony_pic_wwanpower_store(struct device *dev,
3884 struct device_attribute *attr,
3885 const char *buffer, size_t count)
3886{
3887 unsigned long value;
3888 if (count > 31)
3889 return -EINVAL;
3890
9e123379
MD		 3891 if (kstrtoul(buffer, 10, &value))
3892 return -EINVAL;
3893
c9f1e6f6
MD		 3894 mutex_lock(&spic_dev.lock);
3895 __sony_pic_set_wwanpower(value);
3896 mutex_unlock(&spic_dev.lock);
9476cdfa 3897
3898 return count;
3899}
3900
3901static ssize_t sony_pic_wwanpower_show(struct device *dev,
3902 struct device_attribute *attr, char *buffer)
3903{
3904 ssize_t count;
3905 mutex_lock(&spic_dev.lock);
3906 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3907 mutex_unlock(&spic_dev.lock);
3908 return count;
3909}
3910
49a11dea 3911/* bluetooth subsystem power state */
9f9f0761 3912static void __sony_pic_set_bluetoothpower(u8 state)
49a11dea 3913{
3914 state = !!state;
3915 if (spic_dev.bluetooth_power == state)
3916 return;
3917 sony_pic_call2(0x96, state);
3918 sony_pic_call1(0x82);
3919 spic_dev.bluetooth_power = state;
3920}
3921
3922static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3923 struct device_attribute *attr,
3924 const char *buffer, size_t count)
3925{
3926 unsigned long value;
3927 if (count > 31)
3928 return -EINVAL;
3929
9e123379
MD		 3930 if (kstrtoul(buffer, 10, &value))
3931 return -EINVAL;
3932
9f9f0761 3933 mutex_lock(&spic_dev.lock);
3934 __sony_pic_set_bluetoothpower(value);
3935 mutex_unlock(&spic_dev.lock);
49a11dea 3936
3937 return count;
3938}
3939
3940static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3941 struct device_attribute *attr, char *buffer)
3942{
9f9f0761 3943 ssize_t count = 0;
3944 mutex_lock(&spic_dev.lock);
3945 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3946 mutex_unlock(&spic_dev.lock);
3947 return count;
49a11dea 3948}
3949
3950/* fan speed */
3951/* FAN0 information (reverse engineered from ACPI tables) */
3952#define SONY_PIC_FAN0_STATUS 0x93
7b153f36 3953static int sony_pic_set_fanspeed(unsigned long value)
3954{
3955 return ec_write(SONY_PIC_FAN0_STATUS, value);
3956}
3957
3958static int sony_pic_get_fanspeed(u8 *value)
3959{
3960 return ec_read(SONY_PIC_FAN0_STATUS, value);
3961}
3962
49a11dea 3963static ssize_t sony_pic_fanspeed_store(struct device *dev,
3964 struct device_attribute *attr,
3965 const char *buffer, size_t count)
3966{
3967 unsigned long value;
3968 if (count > 31)
3969 return -EINVAL;
3970
9e123379
MD		 3971 if (kstrtoul(buffer, 10, &value))
3972 return -EINVAL;
3973
7b153f36 3974 if (sony_pic_set_fanspeed(value))
49a11dea 3975 return -EIO;
3976
3977 return count;
3978}
3979
3980static ssize_t sony_pic_fanspeed_show(struct device *dev,
3981 struct device_attribute *attr, char *buffer)
3982{
3983 u8 value = 0;
7b153f36 3984 if (sony_pic_get_fanspeed(&value))
49a11dea 3985 return -EIO;
3986
3987 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3988}
3989
3990#define SPIC_ATTR(_name, _mode) \
3991struct device_attribute spic_attr_##_name = __ATTR(_name, \
3992 _mode, sony_pic_## _name ##_show, \
3993 sony_pic_## _name ##_store)
3994
49a11dea 3995static SPIC_ATTR(bluetoothpower, 0644);
9476cdfa 3996static SPIC_ATTR(wwanpower, 0644);
49a11dea 3997static SPIC_ATTR(fanspeed, 0644);
3998
3999static struct attribute *spic_attributes[] = {
49a11dea 4000 &spic_attr_bluetoothpower.attr,
9476cdfa 4001 &spic_attr_wwanpower.attr,
49a11dea 4002 &spic_attr_fanspeed.attr,
4003 NULL
4004};
4005
4006static struct attribute_group spic_attribute_group = {
4007 .attrs = spic_attributes
4008};
4009
7b153f36 4010/******** SONYPI compatibility **********/
a64e62a0 4011#ifdef CONFIG_SONYPI_COMPAT
7b153f36 4012
4013/* battery / brightness / temperature addresses */
4014#define SONYPI_BAT_FLAGS 0x81
4015#define SONYPI_LCD_LIGHT 0x96
4016#define SONYPI_BAT1_PCTRM 0xa0
4017#define SONYPI_BAT1_LEFT 0xa2
4018#define SONYPI_BAT1_MAXRT 0xa4
4019#define SONYPI_BAT2_PCTRM 0xa8
4020#define SONYPI_BAT2_LEFT 0xaa
4021#define SONYPI_BAT2_MAXRT 0xac
4022#define SONYPI_BAT1_MAXTK 0xb0
4023#define SONYPI_BAT1_FULL 0xb2
4024#define SONYPI_BAT2_MAXTK 0xb8
4025#define SONYPI_BAT2_FULL 0xba
4026#define SONYPI_TEMP_STATUS 0xC1
4027
4028struct sonypi_compat_s {
4029 struct fasync_struct *fifo_async;
45465487 4030 struct kfifo fifo;
7b153f36 4031 spinlock_t fifo_lock;
4032 wait_queue_head_t fifo_proc_list;
4033 atomic_t open_count;
4034};
4035static struct sonypi_compat_s sonypi_compat = {
4036 .open_count = ATOMIC_INIT(0),
4037};
4038
4039static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4040{
60aa4924 4041 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
7b153f36 4042}
4043
4044static int sonypi_misc_release(struct inode *inode, struct file *file)
4045{
7b153f36 4046 atomic_dec(&sonypi_compat.open_count);
4047 return 0;
4048}
4049
4050static int sonypi_misc_open(struct inode *inode, struct file *file)
4051{
4052 /* Flush input queue on first open */
4ef4cbb3
AIB		 4053 unsigned long flags;
4054
45465487 4055 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4ef4cbb3 4056
7b153f36 4057 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
e64c026d 4058 kfifo_reset(&sonypi_compat.fifo);
4ef4cbb3 4059
45465487 4060 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4ef4cbb3 4061
7b153f36 4062 return 0;
4063}
4064
4065static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4066 size_t count, loff_t *pos)
4067{
4068 ssize_t ret;
4069 unsigned char c;
4070
45465487 4071 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
7b153f36 4072 (file->f_flags & O_NONBLOCK))
4073 return -EAGAIN;
4074
4075 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
45465487 4076 kfifo_len(&sonypi_compat.fifo) != 0);
7b153f36 4077 if (ret)
4078 return ret;
4079
4080 while (ret < count &&
7acd72eb 4081 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
c1e13f25 4082 &sonypi_compat.fifo_lock) == sizeof(c))) {
7b153f36 4083 if (put_user(c, buf++))
4084 return -EFAULT;
4085 ret++;
4086 }
4087
4088 if (ret > 0) {
496ad9aa 4089 struct inode *inode = file_inode(file);
7b153f36 4090 inode->i_atime = current_fs_time(inode->i_sb);
4091 }
4092
4093 return ret;
4094}
4095
4096static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
4097{
4098 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
45465487 4099 if (kfifo_len(&sonypi_compat.fifo))
7b153f36 4100 return POLLIN | POLLRDNORM;
4101 return 0;
4102}
4103
4104static int ec_read16(u8 addr, u16 *value)
4105{
4106 u8 val_lb, val_hb;
4107 if (ec_read(addr, &val_lb))
4108 return -1;
4109 if (ec_read(addr + 1, &val_hb))
4110 return -1;
4111 *value = val_lb | (val_hb << 8);
4112 return 0;
4113}
4114
2b24ef09
AC		 4115static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4116 unsigned long arg)
7b153f36 4117{
4118 int ret = 0;
4119 void __user *argp = (void __user *)arg;
4120 u8 val8;
4121 u16 val16;
4122 int value;
4123
9f9f0761 4124 mutex_lock(&spic_dev.lock);
7b153f36 4125 switch (cmd) {
4126 case SONYPI_IOCGBRT:
62d2f23e 4127 if (sony_bl_props.dev == NULL) {
7b153f36 4128 ret = -EIO;
4129 break;
4130 }
ebcef1b0
MD		 4131 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4132 &value)) {
7b153f36 4133 ret = -EIO;
4134 break;
4135 }
4136 val8 = ((value & 0xff) - 1) << 5;
4137 if (copy_to_user(argp, &val8, sizeof(val8)))
4138 ret = -EFAULT;
4139 break;
4140 case SONYPI_IOCSBRT:
62d2f23e 4141 if (sony_bl_props.dev == NULL) {
7b153f36 4142 ret = -EIO;
4143 break;
4144 }
4145 if (copy_from_user(&val8, argp, sizeof(val8))) {
4146 ret = -EFAULT;
4147 break;
4148 }
ebcef1b0
MD		 4149 value = (val8 >> 5) + 1;
4150 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4151 NULL)) {
7b153f36 4152 ret = -EIO;
4153 break;
4154 }
4155 /* sync the backlight device status */
62d2f23e
MD		 4156 sony_bl_props.dev->props.brightness =
4157 sony_backlight_get_brightness(sony_bl_props.dev);
7b153f36 4158 break;
4159 case SONYPI_IOCGBAT1CAP:
4160 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4161 ret = -EIO;
4162 break;
4163 }
4164 if (copy_to_user(argp, &val16, sizeof(val16)))
4165 ret = -EFAULT;
4166 break;
4167 case SONYPI_IOCGBAT1REM:
4168 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4169 ret = -EIO;
4170 break;
4171 }
4172 if (copy_to_user(argp, &val16, sizeof(val16)))
4173 ret = -EFAULT;
4174 break;
4175 case SONYPI_IOCGBAT2CAP:
4176 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4177 ret = -EIO;
4178 break;
4179 }
4180 if (copy_to_user(argp, &val16, sizeof(val16)))
4181 ret = -EFAULT;
4182 break;
4183 case SONYPI_IOCGBAT2REM:
4184 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4185 ret = -EIO;
4186 break;
4187 }
4188 if (copy_to_user(argp, &val16, sizeof(val16)))
4189 ret = -EFAULT;
4190 break;
4191 case SONYPI_IOCGBATFLAGS:
4192 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4193 ret = -EIO;
4194 break;
4195 }
4196 val8 &= 0x07;
4197 if (copy_to_user(argp, &val8, sizeof(val8)))
4198 ret = -EFAULT;
4199 break;
4200 case SONYPI_IOCGBLUE:
4201 val8 = spic_dev.bluetooth_power;
4202 if (copy_to_user(argp, &val8, sizeof(val8)))
4203 ret = -EFAULT;
4204 break;
4205 case SONYPI_IOCSBLUE:
4206 if (copy_from_user(&val8, argp, sizeof(val8))) {
4207 ret = -EFAULT;
4208 break;
4209 }
9f9f0761 4210 __sony_pic_set_bluetoothpower(val8);
7b153f36 4211 break;
4212 /* FAN Controls */
4213 case SONYPI_IOCGFAN:
4214 if (sony_pic_get_fanspeed(&val8)) {
4215 ret = -EIO;
4216 break;
4217 }
4218 if (copy_to_user(argp, &val8, sizeof(val8)))
4219 ret = -EFAULT;
4220 break;
4221 case SONYPI_IOCSFAN:
4222 if (copy_from_user(&val8, argp, sizeof(val8))) {
4223 ret = -EFAULT;
4224 break;
4225 }
4226 if (sony_pic_set_fanspeed(val8))
4227 ret = -EIO;
4228 break;
4229 /* GET Temperature (useful under APM) */
4230 case SONYPI_IOCGTEMP:
4231 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4232 ret = -EIO;
4233 break;
4234 }
4235 if (copy_to_user(argp, &val8, sizeof(val8)))
4236 ret = -EFAULT;
4237 break;
4238 default:
4239 ret = -EINVAL;
4240 }
9f9f0761 4241 mutex_unlock(&spic_dev.lock);
7b153f36 4242 return ret;
4243}
4244
4245static const struct file_operations sonypi_misc_fops = {
4246 .owner = THIS_MODULE,
4247 .read = sonypi_misc_read,
4248 .poll = sonypi_misc_poll,
4249 .open = sonypi_misc_open,
4250 .release = sonypi_misc_release,
4251 .fasync = sonypi_misc_fasync,
2b24ef09 4252 .unlocked_ioctl = sonypi_misc_ioctl,
6038f373 4253 .llseek = noop_llseek,
7b153f36 4254};
4255
4256static struct miscdevice sonypi_misc_device = {
4257 .minor = MISC_DYNAMIC_MINOR,
4258 .name = "sonypi",
4259 .fops = &sonypi_misc_fops,
4260};
4261
4262static void sonypi_compat_report_event(u8 event)
4263{
7acd72eb 4264 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
c1e13f25 4265 sizeof(event), &sonypi_compat.fifo_lock);
7b153f36 4266 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4267 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4268}
4269
4270static int sonypi_compat_init(void)
4271{
4272 int error;
4273
4274 spin_lock_init(&sonypi_compat.fifo_lock);
45465487 4275 error =
c1e13f25 4276 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
45465487 4277 if (error) {
50f581a4 4278 pr_err("kfifo_alloc failed\n");
45465487 4279 return error;
7b153f36 4280 }
4281
4282 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
7b153f36 4283
4284 if (minor != -1)
4285 sonypi_misc_device.minor = minor;
4286 error = misc_register(&sonypi_misc_device);
4287 if (error) {
50f581a4 4288 pr_err("misc_register failed\n");
7b153f36 4289 goto err_free_kfifo;
4290 }
4291 if (minor == -1)
50f581a4
JP		 4292 pr_info("device allocated minor is %d\n",
4293 sonypi_misc_device.minor);
7b153f36 4294
4295 return 0;
4296
4297err_free_kfifo:
45465487 4298 kfifo_free(&sonypi_compat.fifo);
7b153f36 4299 return error;
4300}
4301
4302static void sonypi_compat_exit(void)
4303{
4304 misc_deregister(&sonypi_misc_device);
45465487 4305 kfifo_free(&sonypi_compat.fifo);
7b153f36 4306}
4307#else
4308static int sonypi_compat_init(void) { return 0; }
4309static void sonypi_compat_exit(void) { }
4310static void sonypi_compat_report_event(u8 event) { }
a64e62a0 4311#endif /* CONFIG_SONYPI_COMPAT */
7b153f36 4312
1549ee6f 4313/*
33a04454 4314 * ACPI callbacks
1549ee6f 4315 */
33a04454 4316static acpi_status
4317sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4318{
4319 u32 i;
4320 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4321
4322 switch (resource->type) {
4323 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
fd1caaed
MD		 4324 {
4325 /* start IO enumeration */
4326 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4327 if (!ioport)
4328 return AE_ERROR;
4329
4330 list_add(&ioport->list, &dev->ioports);
4331 return AE_OK;
4332 }
4333
33a04454 4334 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
fd1caaed 4335 /* end IO enumeration */
33a04454 4336 return AE_OK;
4337
4338 case ACPI_RESOURCE_TYPE_IRQ:
4339 {
4340 struct acpi_resource_irq *p = &resource->data.irq;
4341 struct sony_pic_irq *interrupt = NULL;
4342 if (!p || !p->interrupt_count) {
4343 /*
4344 * IRQ descriptors may have no IRQ# bits set,
4345 * particularly those those w/ _STA disabled
4346 */
4347 dprintk("Blank IRQ resource\n");
4348 return AE_OK;
4349 }
4350 for (i = 0; i < p->interrupt_count; i++) {
4351 if (!p->interrupts[i]) {
50f581a4
JP		 4352 pr_warn("Invalid IRQ %d\n",
4353 p->interrupts[i]);
33a04454 4354 continue;
4355 }
4356 interrupt = kzalloc(sizeof(*interrupt),
4357 GFP_KERNEL);
4358 if (!interrupt)
4359 return AE_ERROR;
4360
fd1caaed 4361 list_add(&interrupt->list, &dev->interrupts);
33a04454 4362 interrupt->irq.triggering = p->triggering;
4363 interrupt->irq.polarity = p->polarity;
4364 interrupt->irq.sharable = p->sharable;
4365 interrupt->irq.interrupt_count = 1;
4366 interrupt->irq.interrupts[0] = p->interrupts[i];
4367 }
4368 return AE_OK;
4369 }
4370 case ACPI_RESOURCE_TYPE_IO:
4371 {
4372 struct acpi_resource_io *io = &resource->data.io;
fd1caaed
MD		 4373 struct sony_pic_ioport *ioport =
4374 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
33a04454 4375 if (!io) {
4376 dprintk("Blank IO resource\n");
4377 return AE_OK;
4378 }
4379
fd1caaed
MD		 4380 if (!ioport->io1.minimum) {
4381 memcpy(&ioport->io1, io, sizeof(*io));
4382 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4383 ioport->io1.address_length);
4384 }
4385 else if (!ioport->io2.minimum) {
4386 memcpy(&ioport->io2, io, sizeof(*io));
4387 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4388 ioport->io2.address_length);
4389 }
4390 else {
50f581a4 4391 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
33a04454 4392 return AE_ERROR;
fd1caaed 4393 }
33a04454 4394 return AE_OK;
4395 }
4396 default:
4397 dprintk("Resource %d isn't an IRQ nor an IO port\n",
50f581a4 4398 resource->type);
33a04454 4399
4400 case ACPI_RESOURCE_TYPE_END_TAG:
4401 return AE_OK;
4402 }
4403 return AE_CTRL_TERMINATE;
4404}
4405
4406static int sony_pic_possible_resources(struct acpi_device *device)
4407{
4408 int result = 0;
4409 acpi_status status = AE_OK;
4410
4411 if (!device)
4412 return -EINVAL;
4413
4414 /* get device status */
4415 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4416 dprintk("Evaluating _STA\n");
4417 result = acpi_bus_get_status(device);
4418 if (result) {
50f581a4 4419 pr_warn("Unable to read status\n");
33a04454 4420 goto end;
4421 }
4422
4423 if (!device->status.enabled)
4424 dprintk("Device disabled\n");
4425 else
4426 dprintk("Device enabled\n");
4427
4428 /*
4429 * Query and parse 'method'
4430 */
4431 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4432 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4433 sony_pic_read_possible_resource, &spic_dev);
4434 if (ACPI_FAILURE(status)) {
50f581a4 4435 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
33a04454 4436 result = -ENODEV;
4437 }
4438end:
4439 return result;
4440}
4441
4442/*
4443 * Disable the spic device by calling its _DIS method
4444 */
4445static int sony_pic_disable(struct acpi_device *device)
4446{
6158d3a2
MG		 4447 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4448 NULL);
4449
4450 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
33a04454 4451 return -ENXIO;
4452
4453 dprintk("Device disabled\n");
4454 return 0;
4455}
4456
4457
4458/*
4459 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4460 *
4461 * Call _SRS to set current resources
4462 */
4463static int sony_pic_enable(struct acpi_device *device,
4464 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4465{
4466 acpi_status status;
4467 int result = 0;
fd1caaed
MD		 4468 /* Type 1 resource layout is:
4469 * IO
4470 * IO
4471 * IRQNoFlags
4472 * End
4473 *
4474 * Type 2 and 3 resource layout is:
4475 * IO
4476 * IRQNoFlags
4477 * End
4478 */
33a04454 4479 struct {
fd1caaed
MD		 4480 struct acpi_resource res1;
4481 struct acpi_resource res2;
4482 struct acpi_resource res3;
4483 struct acpi_resource res4;
33a04454 4484 } *resource;
4485 struct acpi_buffer buffer = { 0, NULL };
4486
4487 if (!ioport || !irq)
4488 return -EINVAL;
4489
4490 /* init acpi_buffer */
4491 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4492 if (!resource)
4493 return -ENOMEM;
4494
4495 buffer.length = sizeof(*resource) + 1;
4496 buffer.pointer = resource;
4497
fd1caaed 4498 /* setup Type 1 resources */
31df7144 4499 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
33a04454 4500
fd1caaed
MD		 4501 /* setup io resources */
4502 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4503 resource->res1.length = sizeof(struct acpi_resource);
4504 memcpy(&resource->res1.data.io, &ioport->io1,
4505 sizeof(struct acpi_resource_io));
33a04454 4506
fd1caaed
MD		 4507 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4508 resource->res2.length = sizeof(struct acpi_resource);
4509 memcpy(&resource->res2.data.io, &ioport->io2,
4510 sizeof(struct acpi_resource_io));
4511
4512 /* setup irq resource */
4513 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4514 resource->res3.length = sizeof(struct acpi_resource);
4515 memcpy(&resource->res3.data.irq, &irq->irq,
4516 sizeof(struct acpi_resource_irq));
4517 /* we requested a shared irq */
4518 resource->res3.data.irq.sharable = ACPI_SHARED;
4519
4520 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
f084dbb9 4521 resource->res4.length = sizeof(struct acpi_resource);
fd1caaed
MD		 4522 }
4523 /* setup Type 2/3 resources */
4524 else {
4525 /* setup io resource */
4526 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4527 resource->res1.length = sizeof(struct acpi_resource);
4528 memcpy(&resource->res1.data.io, &ioport->io1,
4529 sizeof(struct acpi_resource_io));
4530
4531 /* setup irq resource */
4532 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4533 resource->res2.length = sizeof(struct acpi_resource);
4534 memcpy(&resource->res2.data.irq, &irq->irq,
4535 sizeof(struct acpi_resource_irq));
4536 /* we requested a shared irq */
4537 resource->res2.data.irq.sharable = ACPI_SHARED;
4538
4539 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
f084dbb9 4540 resource->res3.length = sizeof(struct acpi_resource);
fd1caaed 4541 }
33a04454 4542
4543 /* Attempt to set the resource */
4544 dprintk("Evaluating _SRS\n");
4545 status = acpi_set_current_resources(device->handle, &buffer);
4546
4547 /* check for total failure */
4548 if (ACPI_FAILURE(status)) {
50f581a4 4549 pr_err("Error evaluating _SRS\n");
33a04454 4550 result = -ENODEV;
4551 goto end;
4552 }
4553
4554 /* Necessary device initializations calls (from sonypi) */
4555 sony_pic_call1(0x82);
4556 sony_pic_call2(0x81, 0xff);
4557 sony_pic_call1(compat ? 0x92 : 0x82);
4558
4559end:
4560 kfree(resource);
4561 return result;
4562}
4563
4564/*****************
4565 *
4566 * ISR: some event is available
4567 *
4568 *****************/
4569static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4570{
4571 int i, j;
33a04454 4572 u8 ev = 0;
4573 u8 data_mask = 0;
4574 u8 device_event = 0;
4575
4576 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4577
fd1caaed
MD		 4578 ev = inb_p(dev->cur_ioport->io1.minimum);
4579 if (dev->cur_ioport->io2.minimum)
4580 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4581 else
de920430 4582 data_mask = inb_p(dev->cur_ioport->io1.minimum +
31df7144 4583 dev->evport_offset);
33a04454 4584
22a17780 4585 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
de920430 4586 ev, data_mask, dev->cur_ioport->io1.minimum,
31df7144 4587 dev->evport_offset);
33a04454 4588
4589 if (ev == 0x00 || ev == 0xff)
4590 return IRQ_HANDLED;
4591
31df7144 4592 for (i = 0; dev->event_types[i].mask; i++) {
33a04454 4593
31df7144
MD		 4594 if ((data_mask & dev->event_types[i].data) !=
4595 dev->event_types[i].data)
33a04454 4596 continue;
4597
31df7144 4598 if (!(mask & dev->event_types[i].mask))
33a04454 4599 continue;
4600
31df7144
MD		 4601 for (j = 0; dev->event_types[i].events[j].event; j++) {
4602 if (ev == dev->event_types[i].events[j].data) {
33a04454 4603 device_event =
31df7144 4604 dev->event_types[i].events[j].event;
4eeb5022
MD		 4605 /* some events may require ignoring */
4606 if (!device_event)
4607 return IRQ_HANDLED;
33a04454 4608 goto found;
4609 }
4610 }
4611 }
3eb8749a
MD		 4612 /* Still not able to decode the event try to pass
4613 * it over to the minidriver
4614 */
31df7144 4615 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
3eb8749a
MD		 4616 return IRQ_HANDLED;
4617
de920430
MD		 4618 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4619 ev, data_mask, dev->cur_ioport->io1.minimum,
31df7144 4620 dev->evport_offset);
33a04454 4621 return IRQ_HANDLED;
4622
4623found:
1549ee6f 4624 sony_laptop_report_input_event(device_event);
7b153f36 4625 sonypi_compat_report_event(device_event);
33a04454 4626 return IRQ_HANDLED;
4627}
4628
4629/*****************
4630 *
4631 * ACPI driver
4632 *
4633 *****************/
51fac838 4634static int sony_pic_remove(struct acpi_device *device)
33a04454 4635{
4636 struct sony_pic_ioport *io, *tmp_io;
4637 struct sony_pic_irq *irq, *tmp_irq;
4638
4639 if (sony_pic_disable(device)) {
50f581a4 4640 pr_err("Couldn't disable device\n");
33a04454 4641 return -ENXIO;
4642 }
4643
4644 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
fd1caaed
MD		 4645 release_region(spic_dev.cur_ioport->io1.minimum,
4646 spic_dev.cur_ioport->io1.address_length);
4647 if (spic_dev.cur_ioport->io2.minimum)
4648 release_region(spic_dev.cur_ioport->io2.minimum,
4649 spic_dev.cur_ioport->io2.address_length);
33a04454 4650
015a916f
MD		 4651 sonypi_compat_exit();
4652
1549ee6f 4653 sony_laptop_remove_input();
33a04454 4654
49a11dea 4655 /* pf attrs */
4656 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4657 sony_pf_remove();
4658
33a04454 4659 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4660 list_del(&io->list);
4661 kfree(io);
4662 }
4663 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4664 list_del(&irq->list);
4665 kfree(irq);
4666 }
4667 spic_dev.cur_ioport = NULL;
4668 spic_dev.cur_irq = NULL;
4669
f6119b02 4670 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
33a04454 4671 return 0;
4672}
4673
4674static int sony_pic_add(struct acpi_device *device)
4675{
4676 int result;
4677 struct sony_pic_ioport *io, *tmp_io;
4678 struct sony_pic_irq *irq, *tmp_irq;
4679
33a04454 4680 spic_dev.acpi_dev = device;
4681 strcpy(acpi_device_class(device), "sony/hotkey");
de920430 4682 sony_pic_detect_device_type(&spic_dev);
9f9f0761 4683 mutex_init(&spic_dev.lock);
33a04454 4684
4685 /* read _PRS resources */
4686 result = sony_pic_possible_resources(device);
4687 if (result) {
50f581a4 4688 pr_err("Unable to read possible resources\n");
33a04454 4689 goto err_free_resources;
4690 }
4691
4692 /* setup input devices and helper fifo */
2e4d242c 4693 result = sony_laptop_setup_input(device);
33a04454 4694 if (result) {
50f581a4 4695 pr_err("Unable to create input devices\n");
33a04454 4696 goto err_free_resources;
4697 }
4698
03a174b3
WY		 4699 result = sonypi_compat_init();
4700 if (result)
015a916f
MD		 4701 goto err_remove_input;
4702
33a04454 4703 /* request io port */
fd1caaed
MD		 4704 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4705 if (request_region(io->io1.minimum, io->io1.address_length,
c8440336 4706 "Sony Programmable I/O Device")) {
fd1caaed
MD		 4707 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4708 io->io1.minimum, io->io1.maximum,
4709 io->io1.address_length);
4710 /* Type 1 have 2 ioports */
4711 if (io->io2.minimum) {
4712 if (request_region(io->io2.minimum,
4713 io->io2.address_length,
c8440336 4714 "Sony Programmable I/O Device")) {
fd1caaed
MD		 4715 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4716 io->io2.minimum, io->io2.maximum,
4717 io->io2.address_length);
4718 spic_dev.cur_ioport = io;
4719 break;
4720 }
4721 else {
4722 dprintk("Unable to get I/O port2: "
4723 "0x%.4x (0x%.4x) + 0x%.2x\n",
4724 io->io2.minimum, io->io2.maximum,
4725 io->io2.address_length);
4726 release_region(io->io1.minimum,
4727 io->io1.address_length);
4728 }
4729 }
4730 else {
4731 spic_dev.cur_ioport = io;
4732 break;
4733 }
33a04454 4734 }
4735 }
4736 if (!spic_dev.cur_ioport) {
50f581a4 4737 pr_err("Failed to request_region\n");
33a04454 4738 result = -ENODEV;
015a916f 4739 goto err_remove_compat;
33a04454 4740 }
4741
4742 /* request IRQ */
fd1caaed 4743 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
33a04454 4744 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
6a0d89c2 4745 0, "sony-laptop", &spic_dev)) {
33a04454 4746 dprintk("IRQ: %d - triggering: %d - "
4747 "polarity: %d - shr: %d\n",
4748 irq->irq.interrupts[0],
4749 irq->irq.triggering,
4750 irq->irq.polarity,
4751 irq->irq.sharable);
4752 spic_dev.cur_irq = irq;
4753 break;
4754 }
4755 }
4756 if (!spic_dev.cur_irq) {
50f581a4 4757 pr_err("Failed to request_irq\n");
33a04454 4758 result = -ENODEV;
4759 goto err_release_region;
4760 }
4761
4762 /* set resource status _SRS */
4763 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4764 if (result) {
50f581a4 4765 pr_err("Couldn't enable device\n");
33a04454 4766 goto err_free_irq;
4767 }
4768
49a11dea 4769 spic_dev.bluetooth_power = -1;
4770 /* create device attributes */
4771 result = sony_pf_add();
4772 if (result)
4773 goto err_disable_device;
4774
4775 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4776 if (result)
4777 goto err_remove_pf;
4778
e22510ea 4779 pr_info("SPIC setup done.\n");
33a04454 4780 return 0;
4781
49a11dea 4782err_remove_pf:
4783 sony_pf_remove();
4784
4785err_disable_device:
4786 sony_pic_disable(device);
4787
33a04454 4788err_free_irq:
4789 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4790
4791err_release_region:
fd1caaed
MD		 4792 release_region(spic_dev.cur_ioport->io1.minimum,
4793 spic_dev.cur_ioport->io1.address_length);
4794 if (spic_dev.cur_ioport->io2.minimum)
4795 release_region(spic_dev.cur_ioport->io2.minimum,
4796 spic_dev.cur_ioport->io2.address_length);
33a04454 4797
015a916f
MD		 4798err_remove_compat:
4799 sonypi_compat_exit();
4800
33a04454 4801err_remove_input:
1549ee6f 4802 sony_laptop_remove_input();
33a04454 4803
4804err_free_resources:
4805 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4806 list_del(&io->list);
4807 kfree(io);
4808 }
4809 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4810 list_del(&irq->list);
4811 kfree(irq);
4812 }
4813 spic_dev.cur_ioport = NULL;
4814 spic_dev.cur_irq = NULL;
4815
4816 return result;
4817}
4818
3567a4e2 4819#ifdef CONFIG_PM_SLEEP
bb6b98d6 4820static int sony_pic_suspend(struct device *dev)
33a04454 4821{
bb6b98d6 4822 if (sony_pic_disable(to_acpi_device(dev)))
33a04454 4823 return -ENXIO;
4824 return 0;
4825}
4826
bb6b98d6 4827static int sony_pic_resume(struct device *dev)
33a04454 4828{
bb6b98d6
RW		 4829 sony_pic_enable(to_acpi_device(dev),
4830 spic_dev.cur_ioport, spic_dev.cur_irq);
33a04454 4831 return 0;
4832}
3567a4e2 4833#endif
33a04454 4834
bb6b98d6
RW		 4835static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4836
1ba90e3a
TR		 4837static const struct acpi_device_id sony_pic_device_ids[] = {
4838 {SONY_PIC_HID, 0},
4839 {"", 0},
4840};
4841
33a04454 4842static struct acpi_driver sony_pic_driver = {
4843 .name = SONY_PIC_DRIVER_NAME,
4844 .class = SONY_PIC_CLASS,
1ba90e3a 4845 .ids = sony_pic_device_ids,
33a04454 4846 .owner = THIS_MODULE,
4847 .ops = {
4848 .add = sony_pic_add,
4849 .remove = sony_pic_remove,
33a04454 4850 },
bb6b98d6 4851 .drv.pm = &sony_pic_pm,
33a04454 4852};
4853
4854static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4855 {
4856 .ident = "Sony Vaio",
4857 .matches = {
4858 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4859 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4860 },
4861 },
4862 {
4863 .ident = "Sony Vaio",
4864 .matches = {
4865 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4866 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4867 },
4868 },
4869 { }
4870};
4871
59b19106 4872static int __init sony_laptop_init(void)
7f09c432 4873{
33a04454 4874 int result;
4875
4876 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4877 result = acpi_bus_register_driver(&sony_pic_driver);
4878 if (result) {
50f581a4 4879 pr_err("Unable to register SPIC driver\n");
33a04454 4880 goto out;
4881 }
5e6f9725 4882 spic_drv_registered = 1;
33a04454 4883 }
4884
4885 result = acpi_bus_register_driver(&sony_nc_driver);
4886 if (result) {
50f581a4 4887 pr_err("Unable to register SNC driver\n");
33a04454 4888 goto out_unregister_pic;
4889 }
4890
4891 return 0;
4892
4893out_unregister_pic:
5e6f9725 4894 if (spic_drv_registered)
33a04454 4895 acpi_bus_unregister_driver(&sony_pic_driver);
4896out:
4897 return result;
7f09c432
SP		 4898}
4899
59b19106 4900static void __exit sony_laptop_exit(void)
7f09c432 4901{
59b19106 4902 acpi_bus_unregister_driver(&sony_nc_driver);
5e6f9725 4903 if (spic_drv_registered)
33a04454 4904 acpi_bus_unregister_driver(&sony_pic_driver);
7f09c432
SP		 4905}
4906
59b19106 4907module_init(sony_laptop_init);
4908module_exit(sony_laptop_exit);
Linux 6.x block layer and io_uring tree(s)