Loading...
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * ACPI Sony Notebook Control Driver (SNC and SPIC)
4 *
5 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
6 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
7 *
8 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
9 * which are copyrighted by their respective authors.
10 *
11 * The SNY6001 driver part is based on the sonypi driver which includes
12 * material from:
13 *
14 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
15 *
16 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
17 *
18 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
19 *
20 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
21 *
22 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
23 *
24 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
25 *
26 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
27 *
28 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
29 */
30
31#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
32
33#include <linux/kernel.h>
34#include <linux/module.h>
35#include <linux/moduleparam.h>
36#include <linux/init.h>
37#include <linux/types.h>
38#include <linux/backlight.h>
39#include <linux/platform_device.h>
40#include <linux/err.h>
41#include <linux/dmi.h>
42#include <linux/pci.h>
43#include <linux/interrupt.h>
44#include <linux/delay.h>
45#include <linux/input.h>
46#include <linux/kfifo.h>
47#include <linux/workqueue.h>
48#include <linux/acpi.h>
49#include <linux/slab.h>
50#include <linux/sonypi.h>
51#include <linux/sony-laptop.h>
52#include <linux/rfkill.h>
53#ifdef CONFIG_SONYPI_COMPAT
54#include <linux/poll.h>
55#include <linux/miscdevice.h>
56#endif
57#include <linux/uaccess.h>
58#include <acpi/video.h>
59
60#define dprintk(fmt, ...) \
61do { \
62 if (debug) \
63 pr_warn(fmt, ##__VA_ARGS__); \
64} while (0)
65
66#define SONY_NC_CLASS "sony-nc"
67#define SONY_NC_HID "SNY5001"
68#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
69
70#define SONY_PIC_CLASS "sony-pic"
71#define SONY_PIC_HID "SNY6001"
72#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
73
74MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
75MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
76MODULE_LICENSE("GPL");
77
78static int debug;
79module_param(debug, int, 0);
80MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
81 "the development of this driver");
82
83static int no_spic; /* = 0 */
84module_param(no_spic, int, 0444);
85MODULE_PARM_DESC(no_spic,
86 "set this if you don't want to enable the SPIC device");
87
88static int compat; /* = 0 */
89module_param(compat, int, 0444);
90MODULE_PARM_DESC(compat,
91 "set this if you want to enable backward compatibility mode");
92
93static unsigned long mask = 0xffffffff;
94module_param(mask, ulong, 0644);
95MODULE_PARM_DESC(mask,
96 "set this to the mask of event you want to enable (see doc)");
97
98static int camera; /* = 0 */
99module_param(camera, int, 0444);
100MODULE_PARM_DESC(camera,
101 "set this to 1 to enable Motion Eye camera controls "
102 "(only use it if you have a C1VE or C1VN model)");
103
104#ifdef CONFIG_SONYPI_COMPAT
105static int minor = -1;
106module_param(minor, int, 0);
107MODULE_PARM_DESC(minor,
108 "minor number of the misc device for the SPIC compatibility code, "
109 "default is -1 (automatic)");
110#endif
111
112static int kbd_backlight = -1;
113module_param(kbd_backlight, int, 0444);
114MODULE_PARM_DESC(kbd_backlight,
115 "set this to 0 to disable keyboard backlight, "
116 "1 to enable it with automatic control and 2 to have it always "
117 "on (default: no change from current value)");
118
119static int kbd_backlight_timeout = -1;
120module_param(kbd_backlight_timeout, int, 0444);
121MODULE_PARM_DESC(kbd_backlight_timeout,
122 "meaningful values vary from 0 to 3 and their meaning depends "
123 "on the model (default: no change from current value)");
124
125#ifdef CONFIG_PM_SLEEP
126static void sony_nc_thermal_resume(void);
127#endif
128static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
129 unsigned int handle);
130static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
131 unsigned int handle);
132
133static int sony_nc_battery_care_setup(struct platform_device *pd,
134 unsigned int handle);
135static void sony_nc_battery_care_cleanup(struct platform_device *pd);
136
137static int sony_nc_thermal_setup(struct platform_device *pd);
138static void sony_nc_thermal_cleanup(struct platform_device *pd);
139
140static int sony_nc_lid_resume_setup(struct platform_device *pd,
141 unsigned int handle);
142static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
143
144static int sony_nc_gfx_switch_setup(struct platform_device *pd,
145 unsigned int handle);
146static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
147static int __sony_nc_gfx_switch_status_get(void);
148
149static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
150static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
151
152static int sony_nc_lowbatt_setup(struct platform_device *pd);
153static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
154
155static int sony_nc_fanspeed_setup(struct platform_device *pd);
156static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
157
158static int sony_nc_usb_charge_setup(struct platform_device *pd);
159static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
160
161static int sony_nc_panelid_setup(struct platform_device *pd);
162static void sony_nc_panelid_cleanup(struct platform_device *pd);
163
164static int sony_nc_smart_conn_setup(struct platform_device *pd);
165static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
166
167static int sony_nc_touchpad_setup(struct platform_device *pd,
168 unsigned int handle);
169static void sony_nc_touchpad_cleanup(struct platform_device *pd);
170
171enum sony_nc_rfkill {
172 SONY_WIFI,
173 SONY_BLUETOOTH,
174 SONY_WWAN,
175 SONY_WIMAX,
176 N_SONY_RFKILL,
177};
178
179static int sony_rfkill_handle;
180static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
181static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
182static int sony_nc_rfkill_setup(struct acpi_device *device,
183 unsigned int handle);
184static void sony_nc_rfkill_cleanup(void);
185static void sony_nc_rfkill_update(void);
186
187/*********** Input Devices ***********/
188
189#define SONY_LAPTOP_BUF_SIZE 128
190struct sony_laptop_input_s {
191 atomic_t users;
192 struct input_dev *jog_dev;
193 struct input_dev *key_dev;
194 struct kfifo fifo;
195 spinlock_t fifo_lock;
196 struct timer_list release_key_timer;
197};
198
199static struct sony_laptop_input_s sony_laptop_input = {
200 .users = ATOMIC_INIT(0),
201};
202
203struct sony_laptop_keypress {
204 struct input_dev *dev;
205 int key;
206};
207
208/* Correspondance table between sonypi events
209 * and input layer indexes in the keymap
210 */
211static const int sony_laptop_input_index[] = {
212 -1, /* 0 no event */
213 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
214 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
215 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
216 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
217 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
218 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
219 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
220 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
221 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
222 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
223 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
224 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
225 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
226 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
227 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
228 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
229 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
230 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
231 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
232 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
233 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
234 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
235 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
236 17, /* 24 SONYPI_EVENT_FNKEY_1 */
237 18, /* 25 SONYPI_EVENT_FNKEY_2 */
238 19, /* 26 SONYPI_EVENT_FNKEY_D */
239 20, /* 27 SONYPI_EVENT_FNKEY_E */
240 21, /* 28 SONYPI_EVENT_FNKEY_F */
241 22, /* 29 SONYPI_EVENT_FNKEY_S */
242 23, /* 30 SONYPI_EVENT_FNKEY_B */
243 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
244 25, /* 32 SONYPI_EVENT_PKEY_P1 */
245 26, /* 33 SONYPI_EVENT_PKEY_P2 */
246 27, /* 34 SONYPI_EVENT_PKEY_P3 */
247 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
248 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
249 -1, /* 37 SONYPI_EVENT_LID_OPENED */
250 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
251 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
252 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
253 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
254 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
255 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
256 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
257 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
258 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
259 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
260 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
261 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
262 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
263 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
264 43, /* 52 SONYPI_EVENT_MEYE_FACE */
265 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
266 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
267 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
268 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
269 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
270 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
271 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
272 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
273 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
274 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
275 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
276 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
277 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
278 53, /* 66 SONYPI_EVENT_PKEY_P4 */
279 54, /* 67 SONYPI_EVENT_PKEY_P5 */
280 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
281 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
282 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
283 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
284 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
285 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
286};
287
288static int sony_laptop_input_keycode_map[] = {
289 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
290 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
291 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
292 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
293 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
294 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
295 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
296 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
297 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
298 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
299 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
300 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
301 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
302 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
303 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
304 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
305 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
306 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
307 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
308 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
309 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
310 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
311 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
312 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
313 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
314 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
315 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
316 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
317 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
318 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
319 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
320 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
321 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
322 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
323 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
324 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
325 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
326 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
327 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
328 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
329 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
330 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
331 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
332 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
333 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
334 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
335 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
336 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
337 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
338 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
339 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
340 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
341 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
342 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
343 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
344 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
345 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
346 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
347 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
348 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
349};
350
351/* release buttons after a short delay if pressed */
352static void do_sony_laptop_release_key(struct timer_list *unused)
353{
354 struct sony_laptop_keypress kp;
355 unsigned long flags;
356
357 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
358
359 if (kfifo_out(&sony_laptop_input.fifo,
360 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
361 input_report_key(kp.dev, kp.key, 0);
362 input_sync(kp.dev);
363 }
364
365 /* If there is something in the fifo schedule next release. */
366 if (kfifo_len(&sony_laptop_input.fifo) != 0)
367 mod_timer(&sony_laptop_input.release_key_timer,
368 jiffies + msecs_to_jiffies(10));
369
370 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
371}
372
373/* forward event to the input subsystem */
374static void sony_laptop_report_input_event(u8 event)
375{
376 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
377 struct input_dev *key_dev = sony_laptop_input.key_dev;
378 struct sony_laptop_keypress kp = { NULL };
379 int scancode = -1;
380
381 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
382 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
383 /* Nothing, not all VAIOs generate this event */
384 return;
385 }
386
387 /* report events */
388 switch (event) {
389 /* jog_dev events */
390 case SONYPI_EVENT_JOGDIAL_UP:
391 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
392 input_report_rel(jog_dev, REL_WHEEL, 1);
393 input_sync(jog_dev);
394 return;
395
396 case SONYPI_EVENT_JOGDIAL_DOWN:
397 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
398 input_report_rel(jog_dev, REL_WHEEL, -1);
399 input_sync(jog_dev);
400 return;
401
402 /* key_dev events */
403 case SONYPI_EVENT_JOGDIAL_PRESSED:
404 kp.key = BTN_MIDDLE;
405 kp.dev = jog_dev;
406 break;
407
408 default:
409 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
410 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
411 break;
412 }
413 if ((scancode = sony_laptop_input_index[event]) != -1) {
414 kp.key = sony_laptop_input_keycode_map[scancode];
415 if (kp.key != KEY_UNKNOWN)
416 kp.dev = key_dev;
417 }
418 break;
419 }
420
421 if (kp.dev) {
422 /* if we have a scancode we emit it so we can always
423 remap the key */
424 if (scancode != -1)
425 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
426 input_report_key(kp.dev, kp.key, 1);
427 input_sync(kp.dev);
428
429 /* schedule key release */
430 kfifo_in_locked(&sony_laptop_input.fifo,
431 (unsigned char *)&kp, sizeof(kp),
432 &sony_laptop_input.fifo_lock);
433 mod_timer(&sony_laptop_input.release_key_timer,
434 jiffies + msecs_to_jiffies(10));
435 } else
436 dprintk("unknown input event %.2x\n", event);
437}
438
439static int sony_laptop_setup_input(struct acpi_device *acpi_device)
440{
441 struct input_dev *jog_dev;
442 struct input_dev *key_dev;
443 int i;
444 int error;
445
446 /* don't run again if already initialized */
447 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
448 return 0;
449
450 /* kfifo */
451 spin_lock_init(&sony_laptop_input.fifo_lock);
452 error = kfifo_alloc(&sony_laptop_input.fifo,
453 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
454 if (error) {
455 pr_err("kfifo_alloc failed\n");
456 goto err_dec_users;
457 }
458
459 timer_setup(&sony_laptop_input.release_key_timer,
460 do_sony_laptop_release_key, 0);
461
462 /* input keys */
463 key_dev = input_allocate_device();
464 if (!key_dev) {
465 error = -ENOMEM;
466 goto err_free_kfifo;
467 }
468
469 key_dev->name = "Sony Vaio Keys";
470 key_dev->id.bustype = BUS_ISA;
471 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
472 key_dev->dev.parent = &acpi_device->dev;
473
474 /* Initialize the Input Drivers: special keys */
475 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
476
477 __set_bit(EV_KEY, key_dev->evbit);
478 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
479 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
480 key_dev->keycode = &sony_laptop_input_keycode_map;
481 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
482 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
483 __clear_bit(KEY_RESERVED, key_dev->keybit);
484
485 error = input_register_device(key_dev);
486 if (error)
487 goto err_free_keydev;
488
489 sony_laptop_input.key_dev = key_dev;
490
491 /* jogdial */
492 jog_dev = input_allocate_device();
493 if (!jog_dev) {
494 error = -ENOMEM;
495 goto err_unregister_keydev;
496 }
497
498 jog_dev->name = "Sony Vaio Jogdial";
499 jog_dev->id.bustype = BUS_ISA;
500 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
501 jog_dev->dev.parent = &acpi_device->dev;
502
503 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
504 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
505
506 error = input_register_device(jog_dev);
507 if (error)
508 goto err_free_jogdev;
509
510 sony_laptop_input.jog_dev = jog_dev;
511
512 return 0;
513
514err_free_jogdev:
515 input_free_device(jog_dev);
516
517err_unregister_keydev:
518 input_unregister_device(key_dev);
519 /* to avoid kref underflow below at input_free_device */
520 key_dev = NULL;
521
522err_free_keydev:
523 input_free_device(key_dev);
524
525err_free_kfifo:
526 kfifo_free(&sony_laptop_input.fifo);
527
528err_dec_users:
529 atomic_dec(&sony_laptop_input.users);
530 return error;
531}
532
533static void sony_laptop_remove_input(void)
534{
535 struct sony_laptop_keypress kp = { NULL };
536
537 /* Cleanup only after the last user has gone */
538 if (!atomic_dec_and_test(&sony_laptop_input.users))
539 return;
540
541 del_timer_sync(&sony_laptop_input.release_key_timer);
542
543 /*
544 * Generate key-up events for remaining keys. Note that we don't
545 * need locking since nobody is adding new events to the kfifo.
546 */
547 while (kfifo_out(&sony_laptop_input.fifo,
548 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
549 input_report_key(kp.dev, kp.key, 0);
550 input_sync(kp.dev);
551 }
552
553 /* destroy input devs */
554 input_unregister_device(sony_laptop_input.key_dev);
555 sony_laptop_input.key_dev = NULL;
556
557 if (sony_laptop_input.jog_dev) {
558 input_unregister_device(sony_laptop_input.jog_dev);
559 sony_laptop_input.jog_dev = NULL;
560 }
561
562 kfifo_free(&sony_laptop_input.fifo);
563}
564
565/*********** Platform Device ***********/
566
567static atomic_t sony_pf_users = ATOMIC_INIT(0);
568static struct platform_driver sony_pf_driver = {
569 .driver = {
570 .name = "sony-laptop",
571 }
572};
573static struct platform_device *sony_pf_device;
574
575static int sony_pf_add(void)
576{
577 int ret = 0;
578
579 /* don't run again if already initialized */
580 if (atomic_add_return(1, &sony_pf_users) > 1)
581 return 0;
582
583 ret = platform_driver_register(&sony_pf_driver);
584 if (ret)
585 goto out;
586
587 sony_pf_device = platform_device_alloc("sony-laptop", PLATFORM_DEVID_NONE);
588 if (!sony_pf_device) {
589 ret = -ENOMEM;
590 goto out_platform_registered;
591 }
592
593 ret = platform_device_add(sony_pf_device);
594 if (ret)
595 goto out_platform_alloced;
596
597 return 0;
598
599 out_platform_alloced:
600 platform_device_put(sony_pf_device);
601 sony_pf_device = NULL;
602 out_platform_registered:
603 platform_driver_unregister(&sony_pf_driver);
604 out:
605 atomic_dec(&sony_pf_users);
606 return ret;
607}
608
609static void sony_pf_remove(void)
610{
611 /* deregister only after the last user has gone */
612 if (!atomic_dec_and_test(&sony_pf_users))
613 return;
614
615 platform_device_unregister(sony_pf_device);
616 platform_driver_unregister(&sony_pf_driver);
617}
618
619/*********** SNC (SNY5001) Device ***********/
620
621/* the device uses 1-based values, while the backlight subsystem uses
622 0-based values */
623#define SONY_MAX_BRIGHTNESS 8
624
625#define SNC_VALIDATE_IN 0
626#define SNC_VALIDATE_OUT 1
627
628static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
629 char *);
630static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
631 const char *, size_t);
632static int boolean_validate(const int, const int);
633static int brightness_default_validate(const int, const int);
634
635struct sony_nc_value {
636 char *name; /* name of the entry */
637 char **acpiget; /* names of the ACPI get function */
638 char **acpiset; /* names of the ACPI set function */
639 int (*validate)(const int, const int); /* input/output validation */
640 int value; /* current setting */
641 int valid; /* Has ever been set */
642 int debug; /* active only in debug mode ? */
643 struct device_attribute devattr; /* sysfs attribute */
644};
645
646#define SNC_HANDLE_NAMES(_name, _values...) \
647 static char *snc_##_name[] = { _values, NULL }
648
649#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
650 { \
651 .name = __stringify(_name), \
652 .acpiget = _getters, \
653 .acpiset = _setters, \
654 .validate = _validate, \
655 .debug = _debug, \
656 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
657 }
658
659#define SNC_HANDLE_NULL { .name = NULL }
660
661SNC_HANDLE_NAMES(fnkey_get, "GHKE");
662
663SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
664SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
665
666SNC_HANDLE_NAMES(cdpower_get, "GCDP");
667SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
668
669SNC_HANDLE_NAMES(audiopower_get, "GAZP");
670SNC_HANDLE_NAMES(audiopower_set, "AZPW");
671
672SNC_HANDLE_NAMES(lanpower_get, "GLNP");
673SNC_HANDLE_NAMES(lanpower_set, "LNPW");
674
675SNC_HANDLE_NAMES(lidstate_get, "GLID");
676
677SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
678SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
679
680SNC_HANDLE_NAMES(gainbass_get, "GMGB");
681SNC_HANDLE_NAMES(gainbass_set, "CMGB");
682
683SNC_HANDLE_NAMES(PID_get, "GPID");
684
685SNC_HANDLE_NAMES(CTR_get, "GCTR");
686SNC_HANDLE_NAMES(CTR_set, "SCTR");
687
688SNC_HANDLE_NAMES(PCR_get, "GPCR");
689SNC_HANDLE_NAMES(PCR_set, "SPCR");
690
691SNC_HANDLE_NAMES(CMI_get, "GCMI");
692SNC_HANDLE_NAMES(CMI_set, "SCMI");
693
694static struct sony_nc_value sony_nc_values[] = {
695 SNC_HANDLE(brightness_default, snc_brightness_def_get,
696 snc_brightness_def_set, brightness_default_validate, 0),
697 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
698 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
699 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
700 boolean_validate, 0),
701 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
702 boolean_validate, 1),
703 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
704 boolean_validate, 0),
705 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
706 boolean_validate, 0),
707 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
708 boolean_validate, 0),
709 /* unknown methods */
710 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
711 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
712 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
713 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
714 SNC_HANDLE_NULL
715};
716
717static acpi_handle sony_nc_acpi_handle;
718static struct acpi_device *sony_nc_acpi_device = NULL;
719
720/*
721 * acpi_evaluate_object wrappers
722 * all useful calls into SNC methods take one or zero parameters and return
723 * integers or arrays.
724 */
725static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
726 u64 *value)
727{
728 union acpi_object *result = NULL;
729 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
730 acpi_status status;
731
732 if (value) {
733 struct acpi_object_list params;
734 union acpi_object in;
735 in.type = ACPI_TYPE_INTEGER;
736 in.integer.value = *value;
737 params.count = 1;
738 params.pointer = ∈
739 status = acpi_evaluate_object(handle, method, ¶ms, &output);
740 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
741 (unsigned int)(*value >> 32),
742 (unsigned int)*value & 0xffffffff);
743 } else {
744 status = acpi_evaluate_object(handle, method, NULL, &output);
745 dprintk("__call_snc_method: [%s]\n", method);
746 }
747
748 if (ACPI_FAILURE(status)) {
749 pr_err("Failed to evaluate [%s]\n", method);
750 return NULL;
751 }
752
753 result = (union acpi_object *) output.pointer;
754 if (!result)
755 dprintk("No return object [%s]\n", method);
756
757 return result;
758}
759
760#define MIN(a, b) (a > b ? b : a)
761static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
762 void *buffer, size_t buflen)
763{
764 int ret = 0;
765 size_t len;
766 union acpi_object *object = __call_snc_method(handle, name, value);
767
768 if (!object)
769 return -EINVAL;
770
771 if (!buffer) {
772 /* do nothing */
773 } else if (object->type == ACPI_TYPE_BUFFER) {
774 len = MIN(buflen, object->buffer.length);
775 memset(buffer, 0, buflen);
776 memcpy(buffer, object->buffer.pointer, len);
777
778 } else if (object->type == ACPI_TYPE_INTEGER) {
779 len = MIN(buflen, sizeof(object->integer.value));
780 memset(buffer, 0, buflen);
781 memcpy(buffer, &object->integer.value, len);
782
783 } else {
784 pr_warn("Unexpected acpi_object: 0x%x\n", object->type);
785 ret = -EINVAL;
786 }
787
788 kfree(object);
789 return ret;
790}
791
792static int sony_nc_int_call(acpi_handle handle, char *name, int *value, int
793 *result)
794{
795 int ret;
796
797 if (value) {
798 u64 v = *value;
799
800 ret = sony_nc_buffer_call(handle, name, &v, result,
801 sizeof(*result));
802 } else {
803 ret = sony_nc_buffer_call(handle, name, NULL, result,
804 sizeof(*result));
805 }
806 return ret;
807}
808
809struct sony_nc_handles {
810 u16 cap[0x10];
811 struct device_attribute devattr;
812};
813
814static struct sony_nc_handles *handles;
815
816static ssize_t sony_nc_handles_show(struct device *dev,
817 struct device_attribute *attr, char *buffer)
818{
819 ssize_t len = 0;
820 int i;
821
822 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
823 len += sysfs_emit_at(buffer, len, "0x%.4x ", handles->cap[i]);
824 }
825 len += sysfs_emit_at(buffer, len, "\n");
826
827 return len;
828}
829
830static int sony_nc_handles_setup(struct platform_device *pd)
831{
832 int i, r, result, arg;
833
834 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
835 if (!handles)
836 return -ENOMEM;
837
838 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
839 arg = i + 0x20;
840 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
841 &result);
842 if (!r) {
843 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
844 result, i);
845 handles->cap[i] = result;
846 }
847 }
848
849 if (debug) {
850 sysfs_attr_init(&handles->devattr.attr);
851 handles->devattr.attr.name = "handles";
852 handles->devattr.attr.mode = S_IRUGO;
853 handles->devattr.show = sony_nc_handles_show;
854
855 /* allow reading capabilities via sysfs */
856 if (device_create_file(&pd->dev, &handles->devattr)) {
857 kfree(handles);
858 handles = NULL;
859 return -1;
860 }
861 }
862
863 return 0;
864}
865
866static int sony_nc_handles_cleanup(struct platform_device *pd)
867{
868 if (handles) {
869 if (debug)
870 device_remove_file(&pd->dev, &handles->devattr);
871 kfree(handles);
872 handles = NULL;
873 }
874 return 0;
875}
876
877static int sony_find_snc_handle(int handle)
878{
879 int i;
880
881 /* not initialized yet, return early */
882 if (!handles || !handle)
883 return -EINVAL;
884
885 for (i = 0; i < 0x10; i++) {
886 if (handles->cap[i] == handle) {
887 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
888 handle, i);
889 return i;
890 }
891 }
892 dprintk("handle 0x%.4x not found\n", handle);
893 return -EINVAL;
894}
895
896static int sony_call_snc_handle(int handle, int argument, int *result)
897{
898 int arg, ret = 0;
899 int offset = sony_find_snc_handle(handle);
900
901 if (offset < 0)
902 return offset;
903
904 arg = offset | argument;
905 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
906 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
907 return ret;
908}
909
910/*
911 * sony_nc_values input/output validate functions
912 */
913
914/* brightness_default_validate:
915 *
916 * manipulate input output values to keep consistency with the
917 * backlight framework for which brightness values are 0-based.
918 */
919static int brightness_default_validate(const int direction, const int value)
920{
921 switch (direction) {
922 case SNC_VALIDATE_OUT:
923 return value - 1;
924 case SNC_VALIDATE_IN:
925 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
926 return value + 1;
927 }
928 return -EINVAL;
929}
930
931/* boolean_validate:
932 *
933 * on input validate boolean values 0/1, on output just pass the
934 * received value.
935 */
936static int boolean_validate(const int direction, const int value)
937{
938 if (direction == SNC_VALIDATE_IN) {
939 if (value != 0 && value != 1)
940 return -EINVAL;
941 }
942 return value;
943}
944
945/*
946 * Sysfs show/store common to all sony_nc_values
947 */
948static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
949 char *buffer)
950{
951 int value, ret = 0;
952 struct sony_nc_value *item =
953 container_of(attr, struct sony_nc_value, devattr);
954
955 if (!*item->acpiget)
956 return -EIO;
957
958 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
959 &value);
960 if (ret < 0)
961 return -EIO;
962
963 if (item->validate)
964 value = item->validate(SNC_VALIDATE_OUT, value);
965
966 return sysfs_emit(buffer, "%d\n", value);
967}
968
969static ssize_t sony_nc_sysfs_store(struct device *dev,
970 struct device_attribute *attr,
971 const char *buffer, size_t count)
972{
973 int value;
974 int ret = 0;
975 struct sony_nc_value *item =
976 container_of(attr, struct sony_nc_value, devattr);
977
978 if (!item->acpiset)
979 return -EIO;
980
981 if (count > 31)
982 return -EINVAL;
983
984 if (kstrtoint(buffer, 10, &value))
985 return -EINVAL;
986
987 if (item->validate)
988 value = item->validate(SNC_VALIDATE_IN, value);
989
990 if (value < 0)
991 return value;
992
993 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
994 &value, NULL);
995 if (ret < 0)
996 return -EIO;
997
998 item->value = value;
999 item->valid = 1;
1000 return count;
1001}
1002
1003
1004/*
1005 * Backlight device
1006 */
1007struct sony_backlight_props {
1008 struct backlight_device *dev;
1009 int handle;
1010 int cmd_base;
1011 u8 offset;
1012 u8 maxlvl;
1013};
1014static struct sony_backlight_props sony_bl_props;
1015
1016static int sony_backlight_update_status(struct backlight_device *bd)
1017{
1018 int arg = bd->props.brightness + 1;
1019 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1020}
1021
1022static int sony_backlight_get_brightness(struct backlight_device *bd)
1023{
1024 int value;
1025
1026 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1027 return 0;
1028 /* brightness levels are 1-based, while backlight ones are 0-based */
1029 return value - 1;
1030}
1031
1032static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1033{
1034 int result;
1035 struct sony_backlight_props *sdev =
1036 (struct sony_backlight_props *)bl_get_data(bd);
1037
1038 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1039
1040 return (result & 0xff) - sdev->offset;
1041}
1042
1043static int sony_nc_update_status_ng(struct backlight_device *bd)
1044{
1045 int value, result;
1046 struct sony_backlight_props *sdev =
1047 (struct sony_backlight_props *)bl_get_data(bd);
1048
1049 value = bd->props.brightness + sdev->offset;
1050 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1051 &result))
1052 return -EIO;
1053
1054 return value;
1055}
1056
1057static const struct backlight_ops sony_backlight_ops = {
1058 .options = BL_CORE_SUSPENDRESUME,
1059 .update_status = sony_backlight_update_status,
1060 .get_brightness = sony_backlight_get_brightness,
1061};
1062static const struct backlight_ops sony_backlight_ng_ops = {
1063 .options = BL_CORE_SUSPENDRESUME,
1064 .update_status = sony_nc_update_status_ng,
1065 .get_brightness = sony_nc_get_brightness_ng,
1066};
1067
1068/*
1069 * New SNC-only Vaios event mapping to driver known keys
1070 */
1071struct sony_nc_event {
1072 u8 data;
1073 u8 event;
1074};
1075
1076static struct sony_nc_event sony_100_events[] = {
1077 { 0x90, SONYPI_EVENT_PKEY_P1 },
1078 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1079 { 0x91, SONYPI_EVENT_PKEY_P2 },
1080 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1081 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1082 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1083 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1084 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1085 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1086 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1087 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1088 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1089 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1090 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1091 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1092 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1093 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1094 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1095 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1096 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1097 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1098 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1099 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1100 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1101 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1102 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1103 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1104 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1106 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1107 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1108 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1109 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1110 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1111 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1112 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1113 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1114 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1115 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1116 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1117 { 0xa8, SONYPI_EVENT_FNKEY_1 },
1118 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
1119 { 0, 0 },
1120};
1121
1122static struct sony_nc_event sony_127_events[] = {
1123 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1124 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1125 { 0x82, SONYPI_EVENT_PKEY_P1 },
1126 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1127 { 0x83, SONYPI_EVENT_PKEY_P2 },
1128 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1129 { 0x84, SONYPI_EVENT_PKEY_P3 },
1130 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 { 0x85, SONYPI_EVENT_PKEY_P4 },
1132 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0x86, SONYPI_EVENT_PKEY_P5 },
1134 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1136 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0, 0 },
1138};
1139
1140static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1141{
1142 int ret = -EINVAL;
1143 unsigned int result = 0;
1144 struct sony_nc_event *key_event;
1145
1146 if (sony_call_snc_handle(handle, 0x200, &result)) {
1147 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1148 event);
1149 return -EINVAL;
1150 }
1151
1152 result &= 0xFF;
1153
1154 if (handle == 0x0100)
1155 key_event = sony_100_events;
1156 else
1157 key_event = sony_127_events;
1158
1159 for (; key_event->data; key_event++) {
1160 if (key_event->data == result) {
1161 ret = key_event->event;
1162 break;
1163 }
1164 }
1165
1166 if (!key_event->data)
1167 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1168 event, result, handle);
1169
1170 return ret;
1171}
1172
1173/*
1174 * ACPI callbacks
1175 */
1176enum event_types {
1177 HOTKEY = 1,
1178 KILLSWITCH,
1179 GFX_SWITCH
1180};
1181static void sony_nc_notify(struct acpi_device *device, u32 event)
1182{
1183 u32 real_ev = event;
1184 u8 ev_type = 0;
1185 int ret;
1186
1187 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1188
1189 if (event >= 0x90) {
1190 unsigned int result = 0;
1191 unsigned int arg = 0;
1192 unsigned int handle = 0;
1193 unsigned int offset = event - 0x90;
1194
1195 if (offset >= ARRAY_SIZE(handles->cap)) {
1196 pr_err("Event 0x%x outside of capabilities list\n",
1197 event);
1198 return;
1199 }
1200 handle = handles->cap[offset];
1201
1202 /* list of handles known for generating events */
1203 switch (handle) {
1204 /* hotkey event */
1205 case 0x0100:
1206 case 0x0127:
1207 ev_type = HOTKEY;
1208 ret = sony_nc_hotkeys_decode(event, handle);
1209
1210 if (ret > 0) {
1211 sony_laptop_report_input_event(ret);
1212 real_ev = ret;
1213 }
1214
1215 break;
1216
1217 /* wlan switch */
1218 case 0x0124:
1219 case 0x0135:
1220 /* events on this handle are reported when the
1221 * switch changes position or for battery
1222 * events. We'll notify both of them but only
1223 * update the rfkill device status when the
1224 * switch is moved.
1225 */
1226 ev_type = KILLSWITCH;
1227 sony_call_snc_handle(handle, 0x0100, &result);
1228 real_ev = result & 0x03;
1229
1230 /* hw switch event */
1231 if (real_ev == 1)
1232 sony_nc_rfkill_update();
1233
1234 break;
1235
1236 case 0x0128:
1237 case 0x0146:
1238 /* Hybrid GFX switching */
1239 sony_call_snc_handle(handle, 0x0000, &result);
1240 dprintk("GFX switch event received (reason: %s)\n",
1241 (result == 0x1) ? "switch change" :
1242 (result == 0x2) ? "output switch" :
1243 (result == 0x3) ? "output switch" :
1244 "");
1245
1246 ev_type = GFX_SWITCH;
1247 real_ev = __sony_nc_gfx_switch_status_get();
1248 break;
1249
1250 case 0x015B:
1251 /* Hybrid GFX switching SVS151290S */
1252 ev_type = GFX_SWITCH;
1253 real_ev = __sony_nc_gfx_switch_status_get();
1254 break;
1255 default:
1256 dprintk("Unknown event 0x%x for handle 0x%x\n",
1257 event, handle);
1258 break;
1259 }
1260
1261 /* clear the event (and the event reason when present) */
1262 arg = 1 << offset;
1263 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1264
1265 } else {
1266 /* old style event */
1267 ev_type = HOTKEY;
1268 sony_laptop_report_input_event(real_ev);
1269 }
1270 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1271 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1272}
1273
1274static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1275 void *context, void **return_value)
1276{
1277 struct acpi_device_info *info;
1278
1279 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1280 pr_warn("method: name: %4.4s, args %X\n",
1281 (char *)&info->name, info->param_count);
1282
1283 kfree(info);
1284 }
1285
1286 return AE_OK;
1287}
1288
1289/*
1290 * ACPI device
1291 */
1292static void sony_nc_function_setup(struct acpi_device *device,
1293 struct platform_device *pf_device)
1294{
1295 unsigned int i, result, bitmask, arg;
1296
1297 if (!handles)
1298 return;
1299
1300 /* setup found handles here */
1301 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1302 unsigned int handle = handles->cap[i];
1303
1304 if (!handle)
1305 continue;
1306
1307 dprintk("setting up handle 0x%.4x\n", handle);
1308
1309 switch (handle) {
1310 case 0x0100:
1311 case 0x0101:
1312 case 0x0127:
1313 /* setup hotkeys */
1314 sony_call_snc_handle(handle, 0, &result);
1315 break;
1316 case 0x0102:
1317 /* setup hotkeys */
1318 sony_call_snc_handle(handle, 0x100, &result);
1319 break;
1320 case 0x0105:
1321 case 0x0148:
1322 /* touchpad enable/disable */
1323 result = sony_nc_touchpad_setup(pf_device, handle);
1324 if (result)
1325 pr_err("couldn't set up touchpad control function (%d)\n",
1326 result);
1327 break;
1328 case 0x0115:
1329 case 0x0136:
1330 case 0x013f:
1331 result = sony_nc_battery_care_setup(pf_device, handle);
1332 if (result)
1333 pr_err("couldn't set up battery care function (%d)\n",
1334 result);
1335 break;
1336 case 0x0119:
1337 case 0x015D:
1338 result = sony_nc_lid_resume_setup(pf_device, handle);
1339 if (result)
1340 pr_err("couldn't set up lid resume function (%d)\n",
1341 result);
1342 break;
1343 case 0x0122:
1344 result = sony_nc_thermal_setup(pf_device);
1345 if (result)
1346 pr_err("couldn't set up thermal profile function (%d)\n",
1347 result);
1348 break;
1349 case 0x0128:
1350 case 0x0146:
1351 case 0x015B:
1352 result = sony_nc_gfx_switch_setup(pf_device, handle);
1353 if (result)
1354 pr_err("couldn't set up GFX Switch status (%d)\n",
1355 result);
1356 break;
1357 case 0x0131:
1358 result = sony_nc_highspeed_charging_setup(pf_device);
1359 if (result)
1360 pr_err("couldn't set up high speed charging function (%d)\n",
1361 result);
1362 break;
1363 case 0x0124:
1364 case 0x0135:
1365 result = sony_nc_rfkill_setup(device, handle);
1366 if (result)
1367 pr_err("couldn't set up rfkill support (%d)\n",
1368 result);
1369 break;
1370 case 0x0137:
1371 case 0x0143:
1372 case 0x014b:
1373 case 0x014c:
1374 case 0x0153:
1375 case 0x0163:
1376 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1377 if (result)
1378 pr_err("couldn't set up keyboard backlight function (%d)\n",
1379 result);
1380 break;
1381 case 0x0121:
1382 result = sony_nc_lowbatt_setup(pf_device);
1383 if (result)
1384 pr_err("couldn't set up low battery function (%d)\n",
1385 result);
1386 break;
1387 case 0x0149:
1388 result = sony_nc_fanspeed_setup(pf_device);
1389 if (result)
1390 pr_err("couldn't set up fan speed function (%d)\n",
1391 result);
1392 break;
1393 case 0x0155:
1394 result = sony_nc_usb_charge_setup(pf_device);
1395 if (result)
1396 pr_err("couldn't set up USB charge support (%d)\n",
1397 result);
1398 break;
1399 case 0x011D:
1400 result = sony_nc_panelid_setup(pf_device);
1401 if (result)
1402 pr_err("couldn't set up panel ID function (%d)\n",
1403 result);
1404 break;
1405 case 0x0168:
1406 result = sony_nc_smart_conn_setup(pf_device);
1407 if (result)
1408 pr_err("couldn't set up smart connect support (%d)\n",
1409 result);
1410 break;
1411 default:
1412 continue;
1413 }
1414 }
1415
1416 /* Enable all events */
1417 arg = 0x10;
1418 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1419 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1420 &result);
1421}
1422
1423static void sony_nc_function_cleanup(struct platform_device *pd)
1424{
1425 unsigned int i, result, bitmask, handle;
1426
1427 if (!handles)
1428 return;
1429
1430 /* get enabled events and disable them */
1431 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1432 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1433
1434 /* cleanup handles here */
1435 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1436
1437 handle = handles->cap[i];
1438
1439 if (!handle)
1440 continue;
1441
1442 switch (handle) {
1443 case 0x0105:
1444 case 0x0148:
1445 sony_nc_touchpad_cleanup(pd);
1446 break;
1447 case 0x0115:
1448 case 0x0136:
1449 case 0x013f:
1450 sony_nc_battery_care_cleanup(pd);
1451 break;
1452 case 0x0119:
1453 case 0x015D:
1454 sony_nc_lid_resume_cleanup(pd);
1455 break;
1456 case 0x0122:
1457 sony_nc_thermal_cleanup(pd);
1458 break;
1459 case 0x0128:
1460 case 0x0146:
1461 case 0x015B:
1462 sony_nc_gfx_switch_cleanup(pd);
1463 break;
1464 case 0x0131:
1465 sony_nc_highspeed_charging_cleanup(pd);
1466 break;
1467 case 0x0124:
1468 case 0x0135:
1469 sony_nc_rfkill_cleanup();
1470 break;
1471 case 0x0137:
1472 case 0x0143:
1473 case 0x014b:
1474 case 0x014c:
1475 case 0x0153:
1476 case 0x0163:
1477 sony_nc_kbd_backlight_cleanup(pd, handle);
1478 break;
1479 case 0x0121:
1480 sony_nc_lowbatt_cleanup(pd);
1481 break;
1482 case 0x0149:
1483 sony_nc_fanspeed_cleanup(pd);
1484 break;
1485 case 0x0155:
1486 sony_nc_usb_charge_cleanup(pd);
1487 break;
1488 case 0x011D:
1489 sony_nc_panelid_cleanup(pd);
1490 break;
1491 case 0x0168:
1492 sony_nc_smart_conn_cleanup(pd);
1493 break;
1494 default:
1495 continue;
1496 }
1497 }
1498
1499 /* finally cleanup the handles list */
1500 sony_nc_handles_cleanup(pd);
1501}
1502
1503#ifdef CONFIG_PM_SLEEP
1504static void sony_nc_function_resume(void)
1505{
1506 unsigned int i, result, bitmask, arg;
1507
1508 dprintk("Resuming SNC device\n");
1509
1510 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1511 unsigned int handle = handles->cap[i];
1512
1513 if (!handle)
1514 continue;
1515
1516 switch (handle) {
1517 case 0x0100:
1518 case 0x0101:
1519 case 0x0127:
1520 /* re-enable hotkeys */
1521 sony_call_snc_handle(handle, 0, &result);
1522 break;
1523 case 0x0102:
1524 /* re-enable hotkeys */
1525 sony_call_snc_handle(handle, 0x100, &result);
1526 break;
1527 case 0x0122:
1528 sony_nc_thermal_resume();
1529 break;
1530 case 0x0124:
1531 case 0x0135:
1532 sony_nc_rfkill_update();
1533 break;
1534 default:
1535 continue;
1536 }
1537 }
1538
1539 /* Enable all events */
1540 arg = 0x10;
1541 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1542 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1543 &result);
1544}
1545
1546static int sony_nc_resume(struct device *dev)
1547{
1548 struct sony_nc_value *item;
1549
1550 for (item = sony_nc_values; item->name; item++) {
1551 int ret;
1552
1553 if (!item->valid)
1554 continue;
1555 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1556 &item->value, NULL);
1557 if (ret < 0) {
1558 pr_err("%s: %d\n", __func__, ret);
1559 break;
1560 }
1561 }
1562
1563 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1564 int arg = 1;
1565 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1566 dprintk("ECON Method failed\n");
1567 }
1568
1569 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1570 sony_nc_function_resume();
1571
1572 return 0;
1573}
1574#endif
1575
1576static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1577
1578static void sony_nc_rfkill_cleanup(void)
1579{
1580 int i;
1581
1582 for (i = 0; i < N_SONY_RFKILL; i++) {
1583 if (sony_rfkill_devices[i]) {
1584 rfkill_unregister(sony_rfkill_devices[i]);
1585 rfkill_destroy(sony_rfkill_devices[i]);
1586 }
1587 }
1588}
1589
1590static int sony_nc_rfkill_set(void *data, bool blocked)
1591{
1592 int result;
1593 int argument = sony_rfkill_address[(long) data] + 0x100;
1594
1595 if (!blocked)
1596 argument |= 0x070000;
1597
1598 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1599}
1600
1601static const struct rfkill_ops sony_rfkill_ops = {
1602 .set_block = sony_nc_rfkill_set,
1603};
1604
1605static int sony_nc_setup_rfkill(struct acpi_device *device,
1606 enum sony_nc_rfkill nc_type)
1607{
1608 int err;
1609 struct rfkill *rfk;
1610 enum rfkill_type type;
1611 const char *name;
1612 int result;
1613 bool hwblock, swblock;
1614
1615 switch (nc_type) {
1616 case SONY_WIFI:
1617 type = RFKILL_TYPE_WLAN;
1618 name = "sony-wifi";
1619 break;
1620 case SONY_BLUETOOTH:
1621 type = RFKILL_TYPE_BLUETOOTH;
1622 name = "sony-bluetooth";
1623 break;
1624 case SONY_WWAN:
1625 type = RFKILL_TYPE_WWAN;
1626 name = "sony-wwan";
1627 break;
1628 case SONY_WIMAX:
1629 type = RFKILL_TYPE_WIMAX;
1630 name = "sony-wimax";
1631 break;
1632 default:
1633 return -EINVAL;
1634 }
1635
1636 rfk = rfkill_alloc(name, &device->dev, type,
1637 &sony_rfkill_ops, (void *)nc_type);
1638 if (!rfk)
1639 return -ENOMEM;
1640
1641 err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1642 if (err < 0) {
1643 rfkill_destroy(rfk);
1644 return err;
1645 }
1646 hwblock = !(result & 0x1);
1647
1648 err = sony_call_snc_handle(sony_rfkill_handle,
1649 sony_rfkill_address[nc_type],
1650 &result);
1651 if (err < 0) {
1652 rfkill_destroy(rfk);
1653 return err;
1654 }
1655 swblock = !(result & 0x2);
1656
1657 rfkill_init_sw_state(rfk, swblock);
1658 rfkill_set_hw_state(rfk, hwblock);
1659
1660 err = rfkill_register(rfk);
1661 if (err) {
1662 rfkill_destroy(rfk);
1663 return err;
1664 }
1665 sony_rfkill_devices[nc_type] = rfk;
1666 return err;
1667}
1668
1669static void sony_nc_rfkill_update(void)
1670{
1671 enum sony_nc_rfkill i;
1672 int result;
1673 bool hwblock;
1674
1675 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1676 hwblock = !(result & 0x1);
1677
1678 for (i = 0; i < N_SONY_RFKILL; i++) {
1679 int argument = sony_rfkill_address[i];
1680
1681 if (!sony_rfkill_devices[i])
1682 continue;
1683
1684 if (hwblock) {
1685 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1686 /* we already know we're blocked */
1687 }
1688 continue;
1689 }
1690
1691 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1692 rfkill_set_states(sony_rfkill_devices[i],
1693 !(result & 0x2), false);
1694 }
1695}
1696
1697static int sony_nc_rfkill_setup(struct acpi_device *device,
1698 unsigned int handle)
1699{
1700 u64 offset;
1701 int i;
1702 unsigned char buffer[32] = { 0 };
1703
1704 offset = sony_find_snc_handle(handle);
1705 sony_rfkill_handle = handle;
1706
1707 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1708 32);
1709 if (i < 0)
1710 return i;
1711
1712 /* The buffer is filled with magic numbers describing the devices
1713 * available, 0xff terminates the enumeration.
1714 * Known codes:
1715 * 0x00 WLAN
1716 * 0x10 BLUETOOTH
1717 * 0x20 WWAN GPRS-EDGE
1718 * 0x21 WWAN HSDPA
1719 * 0x22 WWAN EV-DO
1720 * 0x23 WWAN GPS
1721 * 0x25 Gobi WWAN no GPS
1722 * 0x26 Gobi WWAN + GPS
1723 * 0x28 Gobi WWAN no GPS
1724 * 0x29 Gobi WWAN + GPS
1725 * 0x30 WIMAX
1726 * 0x50 Gobi WWAN no GPS
1727 * 0x51 Gobi WWAN + GPS
1728 * 0x70 no SIM card slot
1729 * 0x71 SIM card slot
1730 */
1731 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1732
1733 if (buffer[i] == 0xff)
1734 break;
1735
1736 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1737
1738 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1739 sony_nc_setup_rfkill(device, SONY_WIFI);
1740
1741 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1742 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1743
1744 if (((0xf0 & buffer[i]) == 0x20 ||
1745 (0xf0 & buffer[i]) == 0x50) &&
1746 !sony_rfkill_devices[SONY_WWAN])
1747 sony_nc_setup_rfkill(device, SONY_WWAN);
1748
1749 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1750 sony_nc_setup_rfkill(device, SONY_WIMAX);
1751 }
1752 return 0;
1753}
1754
1755/* Keyboard backlight feature */
1756struct kbd_backlight {
1757 unsigned int handle;
1758 unsigned int base;
1759 unsigned int mode;
1760 unsigned int timeout;
1761 unsigned int has_timeout;
1762 struct device_attribute mode_attr;
1763 struct device_attribute timeout_attr;
1764};
1765
1766static struct kbd_backlight *kbdbl_ctl;
1767
1768static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1769{
1770 int result;
1771
1772 if (value > 2)
1773 return -EINVAL;
1774
1775 if (sony_call_snc_handle(kbdbl_ctl->handle,
1776 (value << 0x10) | (kbdbl_ctl->base), &result))
1777 return -EIO;
1778
1779 /* Try to turn the light on/off immediately */
1780 if (value != 1)
1781 sony_call_snc_handle(kbdbl_ctl->handle,
1782 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1783 &result);
1784
1785 kbdbl_ctl->mode = value;
1786
1787 return 0;
1788}
1789
1790static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1791 struct device_attribute *attr,
1792 const char *buffer, size_t count)
1793{
1794 int ret = 0;
1795 unsigned long value;
1796
1797 if (count > 31)
1798 return -EINVAL;
1799
1800 if (kstrtoul(buffer, 10, &value))
1801 return -EINVAL;
1802
1803 ret = __sony_nc_kbd_backlight_mode_set(value);
1804 if (ret < 0)
1805 return ret;
1806
1807 return count;
1808}
1809
1810static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1811 struct device_attribute *attr, char *buffer)
1812{
1813 return sysfs_emit(buffer, "%d\n", kbdbl_ctl->mode);
1814}
1815
1816static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1817{
1818 int result;
1819
1820 if (value > 3)
1821 return -EINVAL;
1822
1823 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1824 (kbdbl_ctl->base + 0x200), &result))
1825 return -EIO;
1826
1827 kbdbl_ctl->timeout = value;
1828
1829 return 0;
1830}
1831
1832static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1833 struct device_attribute *attr,
1834 const char *buffer, size_t count)
1835{
1836 int ret = 0;
1837 unsigned long value;
1838
1839 if (count > 31)
1840 return -EINVAL;
1841
1842 if (kstrtoul(buffer, 10, &value))
1843 return -EINVAL;
1844
1845 ret = __sony_nc_kbd_backlight_timeout_set(value);
1846 if (ret < 0)
1847 return ret;
1848
1849 return count;
1850}
1851
1852static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1853 struct device_attribute *attr, char *buffer)
1854{
1855 return sysfs_emit(buffer, "%d\n", kbdbl_ctl->timeout);
1856}
1857
1858static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1859 unsigned int handle)
1860{
1861 int result;
1862 int probe_base = 0;
1863 int ctl_base = 0;
1864 int ret = 0;
1865
1866 if (kbdbl_ctl) {
1867 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1868 handle, kbdbl_ctl->handle);
1869 return -EBUSY;
1870 }
1871
1872 /* verify the kbd backlight presence, some of these handles are not used
1873 * for keyboard backlight only
1874 */
1875 switch (handle) {
1876 case 0x0153:
1877 probe_base = 0x0;
1878 ctl_base = 0x0;
1879 break;
1880 case 0x0137:
1881 probe_base = 0x0B00;
1882 ctl_base = 0x0C00;
1883 break;
1884 default:
1885 probe_base = 0x0100;
1886 ctl_base = 0x4000;
1887 break;
1888 }
1889
1890 /*
1891 * Only probe if there is a separate probe_base, otherwise the probe call
1892 * is equivalent to __sony_nc_kbd_backlight_mode_set(0), resulting in
1893 * the keyboard backlight being turned off.
1894 */
1895 if (probe_base) {
1896 ret = sony_call_snc_handle(handle, probe_base, &result);
1897 if (ret)
1898 return ret;
1899
1900 if ((handle == 0x0137 && !(result & 0x02)) ||
1901 !(result & 0x01)) {
1902 dprintk("no backlight keyboard found\n");
1903 return 0;
1904 }
1905 }
1906
1907 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1908 if (!kbdbl_ctl)
1909 return -ENOMEM;
1910
1911 kbdbl_ctl->mode = kbd_backlight;
1912 kbdbl_ctl->timeout = kbd_backlight_timeout;
1913 kbdbl_ctl->handle = handle;
1914 kbdbl_ctl->base = ctl_base;
1915 /* Some models do not allow timeout control */
1916 kbdbl_ctl->has_timeout = handle != 0x0153;
1917
1918 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1919 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1920 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1921 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1922 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1923
1924 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1925 if (ret)
1926 goto outkzalloc;
1927
1928 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1929
1930 if (kbdbl_ctl->has_timeout) {
1931 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1932 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1933 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1934 kbdbl_ctl->timeout_attr.show =
1935 sony_nc_kbd_backlight_timeout_show;
1936 kbdbl_ctl->timeout_attr.store =
1937 sony_nc_kbd_backlight_timeout_store;
1938
1939 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1940 if (ret)
1941 goto outmode;
1942
1943 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1944 }
1945
1946
1947 return 0;
1948
1949outmode:
1950 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1951outkzalloc:
1952 kfree(kbdbl_ctl);
1953 kbdbl_ctl = NULL;
1954 return ret;
1955}
1956
1957static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1958 unsigned int handle)
1959{
1960 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1961 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1962 if (kbdbl_ctl->has_timeout)
1963 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1964 kfree(kbdbl_ctl);
1965 kbdbl_ctl = NULL;
1966 }
1967}
1968
1969struct battery_care_control {
1970 struct device_attribute attrs[2];
1971 unsigned int handle;
1972};
1973static struct battery_care_control *bcare_ctl;
1974
1975static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1976 struct device_attribute *attr,
1977 const char *buffer, size_t count)
1978{
1979 unsigned int result, cmd;
1980 unsigned long value;
1981
1982 if (count > 31)
1983 return -EINVAL;
1984
1985 if (kstrtoul(buffer, 10, &value))
1986 return -EINVAL;
1987
1988 /* limit values (2 bits):
1989 * 00 - none
1990 * 01 - 80%
1991 * 10 - 50%
1992 * 11 - 100%
1993 *
1994 * bit 0: 0 disable BCL, 1 enable BCL
1995 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1996 * bits 2,3: reserved
1997 * bits 4,5: store the limit into the EC
1998 * bits 6,7: store the limit into the battery
1999 */
2000 cmd = 0;
2001
2002 if (value > 0) {
2003 if (value <= 50)
2004 cmd = 0x20;
2005
2006 else if (value <= 80)
2007 cmd = 0x10;
2008
2009 else if (value <= 100)
2010 cmd = 0x30;
2011
2012 else
2013 return -EINVAL;
2014
2015 /*
2016 * handle 0x0115 should allow storing on battery too;
2017 * handle 0x0136 same as 0x0115 + health status;
2018 * handle 0x013f, same as 0x0136 but no storing on the battery
2019 */
2020 if (bcare_ctl->handle != 0x013f)
2021 cmd = cmd | (cmd << 2);
2022
2023 cmd = (cmd | 0x1) << 0x10;
2024 }
2025
2026 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2027 return -EIO;
2028
2029 return count;
2030}
2031
2032static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2033 struct device_attribute *attr, char *buffer)
2034{
2035 unsigned int result, status;
2036
2037 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2038 return -EIO;
2039
2040 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2041 switch (status) {
2042 case 1:
2043 status = 80;
2044 break;
2045 case 2:
2046 status = 50;
2047 break;
2048 case 3:
2049 status = 100;
2050 break;
2051 default:
2052 status = 0;
2053 break;
2054 }
2055
2056 return sysfs_emit(buffer, "%d\n", status);
2057}
2058
2059static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2060 struct device_attribute *attr, char *buffer)
2061{
2062 unsigned int health;
2063
2064 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2065 return -EIO;
2066
2067 return sysfs_emit(buffer, "%d\n", health & 0xff);
2068}
2069
2070static int sony_nc_battery_care_setup(struct platform_device *pd,
2071 unsigned int handle)
2072{
2073 int ret = 0;
2074
2075 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2076 if (!bcare_ctl)
2077 return -ENOMEM;
2078
2079 bcare_ctl->handle = handle;
2080
2081 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2082 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2083 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2084 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2085 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2086
2087 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2088 if (ret)
2089 goto outkzalloc;
2090
2091 /* 0x0115 is for models with no health reporting capability */
2092 if (handle == 0x0115)
2093 return 0;
2094
2095 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2096 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2097 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2098 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2099
2100 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2101 if (ret)
2102 goto outlimiter;
2103
2104 return 0;
2105
2106outlimiter:
2107 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2108
2109outkzalloc:
2110 kfree(bcare_ctl);
2111 bcare_ctl = NULL;
2112
2113 return ret;
2114}
2115
2116static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2117{
2118 if (bcare_ctl) {
2119 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2120 if (bcare_ctl->handle != 0x0115)
2121 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2122
2123 kfree(bcare_ctl);
2124 bcare_ctl = NULL;
2125 }
2126}
2127
2128struct snc_thermal_ctrl {
2129 unsigned int mode;
2130 unsigned int profiles;
2131 struct device_attribute mode_attr;
2132 struct device_attribute profiles_attr;
2133};
2134static struct snc_thermal_ctrl *th_handle;
2135
2136#define THM_PROFILE_MAX 3
2137static const char * const snc_thermal_profiles[] = {
2138 "balanced",
2139 "silent",
2140 "performance"
2141};
2142
2143static int sony_nc_thermal_mode_set(unsigned short mode)
2144{
2145 unsigned int result;
2146
2147 /* the thermal profile seems to be a two bit bitmask:
2148 * lsb -> silent
2149 * msb -> performance
2150 * no bit set is the normal operation and is always valid
2151 * Some vaio models only have "balanced" and "performance"
2152 */
2153 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2154 return -EINVAL;
2155
2156 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2157 return -EIO;
2158
2159 th_handle->mode = mode;
2160
2161 return 0;
2162}
2163
2164static int sony_nc_thermal_mode_get(void)
2165{
2166 unsigned int result;
2167
2168 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2169 return -EIO;
2170
2171 return result & 0xff;
2172}
2173
2174static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2175 struct device_attribute *attr, char *buffer)
2176{
2177 short cnt;
2178 size_t idx = 0;
2179
2180 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2181 if (!cnt || (th_handle->profiles & cnt))
2182 idx += sysfs_emit_at(buffer, idx, "%s ", snc_thermal_profiles[cnt]);
2183 }
2184 idx += sysfs_emit_at(buffer, idx, "\n");
2185
2186 return idx;
2187}
2188
2189static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2190 struct device_attribute *attr,
2191 const char *buffer, size_t count)
2192{
2193 unsigned short cmd;
2194 size_t len = count;
2195
2196 if (count == 0)
2197 return -EINVAL;
2198
2199 /* skip the newline if present */
2200 if (buffer[len - 1] == '\n')
2201 len--;
2202
2203 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2204 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2205 break;
2206
2207 if (sony_nc_thermal_mode_set(cmd))
2208 return -EIO;
2209
2210 return count;
2211}
2212
2213static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2214 struct device_attribute *attr, char *buffer)
2215{
2216 int mode = sony_nc_thermal_mode_get();
2217
2218 if (mode < 0)
2219 return mode;
2220
2221 return sysfs_emit(buffer, "%s\n", snc_thermal_profiles[mode]);
2222}
2223
2224static int sony_nc_thermal_setup(struct platform_device *pd)
2225{
2226 int ret = 0;
2227 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2228 if (!th_handle)
2229 return -ENOMEM;
2230
2231 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2232 if (ret) {
2233 pr_warn("couldn't to read the thermal profiles\n");
2234 goto outkzalloc;
2235 }
2236
2237 ret = sony_nc_thermal_mode_get();
2238 if (ret < 0) {
2239 pr_warn("couldn't to read the current thermal profile");
2240 goto outkzalloc;
2241 }
2242 th_handle->mode = ret;
2243
2244 sysfs_attr_init(&th_handle->profiles_attr.attr);
2245 th_handle->profiles_attr.attr.name = "thermal_profiles";
2246 th_handle->profiles_attr.attr.mode = S_IRUGO;
2247 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2248
2249 sysfs_attr_init(&th_handle->mode_attr.attr);
2250 th_handle->mode_attr.attr.name = "thermal_control";
2251 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2252 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2253 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2254
2255 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2256 if (ret)
2257 goto outkzalloc;
2258
2259 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2260 if (ret)
2261 goto outprofiles;
2262
2263 return 0;
2264
2265outprofiles:
2266 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2267outkzalloc:
2268 kfree(th_handle);
2269 th_handle = NULL;
2270 return ret;
2271}
2272
2273static void sony_nc_thermal_cleanup(struct platform_device *pd)
2274{
2275 if (th_handle) {
2276 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2277 device_remove_file(&pd->dev, &th_handle->mode_attr);
2278 kfree(th_handle);
2279 th_handle = NULL;
2280 }
2281}
2282
2283#ifdef CONFIG_PM_SLEEP
2284static void sony_nc_thermal_resume(void)
2285{
2286 int status;
2287
2288 if (!th_handle)
2289 return;
2290
2291 status = sony_nc_thermal_mode_get();
2292
2293 if (status != th_handle->mode)
2294 sony_nc_thermal_mode_set(th_handle->mode);
2295}
2296#endif
2297
2298/* resume on LID open */
2299#define LID_RESUME_S5 0
2300#define LID_RESUME_S4 1
2301#define LID_RESUME_S3 2
2302#define LID_RESUME_MAX 3
2303struct snc_lid_resume_control {
2304 struct device_attribute attrs[LID_RESUME_MAX];
2305 unsigned int status;
2306 int handle;
2307};
2308static struct snc_lid_resume_control *lid_ctl;
2309
2310static ssize_t sony_nc_lid_resume_store(struct device *dev,
2311 struct device_attribute *attr,
2312 const char *buffer, size_t count)
2313{
2314 unsigned int result;
2315 unsigned long value;
2316 unsigned int pos = LID_RESUME_S5;
2317 if (count > 31)
2318 return -EINVAL;
2319
2320 if (kstrtoul(buffer, 10, &value) || value > 1)
2321 return -EINVAL;
2322
2323 /* the value we have to write to SNC is a bitmask:
2324 * +--------------+
2325 * | S3 | S4 | S5 |
2326 * +--------------+
2327 * 2 1 0
2328 */
2329 while (pos < LID_RESUME_MAX) {
2330 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2331 break;
2332 pos++;
2333 }
2334 if (pos == LID_RESUME_MAX)
2335 return -EINVAL;
2336
2337 if (value)
2338 value = lid_ctl->status | (1 << pos);
2339 else
2340 value = lid_ctl->status & ~(1 << pos);
2341
2342 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2343 &result))
2344 return -EIO;
2345
2346 lid_ctl->status = value;
2347
2348 return count;
2349}
2350
2351static ssize_t sony_nc_lid_resume_show(struct device *dev,
2352 struct device_attribute *attr,
2353 char *buffer)
2354{
2355 unsigned int pos = LID_RESUME_S5;
2356
2357 while (pos < LID_RESUME_MAX) {
2358 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2359 return sysfs_emit(buffer, "%d\n",
2360 (lid_ctl->status >> pos) & 0x01);
2361 pos++;
2362 }
2363 return -EINVAL;
2364}
2365
2366static int sony_nc_lid_resume_setup(struct platform_device *pd,
2367 unsigned int handle)
2368{
2369 unsigned int result;
2370 int i;
2371
2372 if (sony_call_snc_handle(handle, 0x0000, &result))
2373 return -EIO;
2374
2375 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2376 if (!lid_ctl)
2377 return -ENOMEM;
2378
2379 lid_ctl->status = result & 0x7;
2380 lid_ctl->handle = handle;
2381
2382 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2383 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2384 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2385 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2386 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2387
2388 if (handle == 0x0119) {
2389 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2390 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2391 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2392 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2393 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2394
2395 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2396 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2397 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2398 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2399 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2400 }
2401 for (i = 0; i < LID_RESUME_MAX &&
2402 lid_ctl->attrs[i].attr.name; i++) {
2403 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2404 if (result)
2405 goto liderror;
2406 }
2407
2408 return 0;
2409
2410liderror:
2411 for (i--; i >= 0; i--)
2412 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2413
2414 kfree(lid_ctl);
2415 lid_ctl = NULL;
2416
2417 return result;
2418}
2419
2420static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2421{
2422 int i;
2423
2424 if (lid_ctl) {
2425 for (i = 0; i < LID_RESUME_MAX; i++) {
2426 if (!lid_ctl->attrs[i].attr.name)
2427 break;
2428
2429 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2430 }
2431
2432 kfree(lid_ctl);
2433 lid_ctl = NULL;
2434 }
2435}
2436
2437/* GFX Switch position */
2438enum gfx_switch {
2439 SPEED,
2440 STAMINA,
2441 AUTO
2442};
2443struct snc_gfx_switch_control {
2444 struct device_attribute attr;
2445 unsigned int handle;
2446};
2447static struct snc_gfx_switch_control *gfxs_ctl;
2448
2449/* returns 0 for speed, 1 for stamina */
2450static int __sony_nc_gfx_switch_status_get(void)
2451{
2452 unsigned int result;
2453
2454 if (sony_call_snc_handle(gfxs_ctl->handle,
2455 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2456 &result))
2457 return -EIO;
2458
2459 switch (gfxs_ctl->handle) {
2460 case 0x0146:
2461 /* 1: discrete GFX (speed)
2462 * 0: integrated GFX (stamina)
2463 */
2464 return result & 0x1 ? SPEED : STAMINA;
2465 case 0x015B:
2466 /* 0: discrete GFX (speed)
2467 * 1: integrated GFX (stamina)
2468 */
2469 return result & 0x1 ? STAMINA : SPEED;
2470 case 0x0128:
2471 /* it's a more elaborated bitmask, for now:
2472 * 2: integrated GFX (stamina)
2473 * 0: discrete GFX (speed)
2474 */
2475 dprintk("GFX Status: 0x%x\n", result);
2476 return result & 0x80 ? AUTO :
2477 result & 0x02 ? STAMINA : SPEED;
2478 }
2479 return -EINVAL;
2480}
2481
2482static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2483 struct device_attribute *attr,
2484 char *buffer)
2485{
2486 int pos = __sony_nc_gfx_switch_status_get();
2487
2488 if (pos < 0)
2489 return pos;
2490
2491 return sysfs_emit(buffer, "%s\n",
2492 pos == SPEED ? "speed" :
2493 pos == STAMINA ? "stamina" :
2494 pos == AUTO ? "auto" : "unknown");
2495}
2496
2497static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2498 unsigned int handle)
2499{
2500 unsigned int result;
2501
2502 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2503 if (!gfxs_ctl)
2504 return -ENOMEM;
2505
2506 gfxs_ctl->handle = handle;
2507
2508 sysfs_attr_init(&gfxs_ctl->attr.attr);
2509 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2510 gfxs_ctl->attr.attr.mode = S_IRUGO;
2511 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2512
2513 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2514 if (result)
2515 goto gfxerror;
2516
2517 return 0;
2518
2519gfxerror:
2520 kfree(gfxs_ctl);
2521 gfxs_ctl = NULL;
2522
2523 return result;
2524}
2525
2526static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2527{
2528 if (gfxs_ctl) {
2529 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2530
2531 kfree(gfxs_ctl);
2532 gfxs_ctl = NULL;
2533 }
2534}
2535
2536/* High speed charging function */
2537static struct device_attribute *hsc_handle;
2538
2539static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2540 struct device_attribute *attr,
2541 const char *buffer, size_t count)
2542{
2543 unsigned int result;
2544 unsigned long value;
2545
2546 if (count > 31)
2547 return -EINVAL;
2548
2549 if (kstrtoul(buffer, 10, &value) || value > 1)
2550 return -EINVAL;
2551
2552 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2553 return -EIO;
2554
2555 return count;
2556}
2557
2558static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2559 struct device_attribute *attr, char *buffer)
2560{
2561 unsigned int result;
2562
2563 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2564 return -EIO;
2565
2566 return sysfs_emit(buffer, "%d\n", result & 0x01);
2567}
2568
2569static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2570{
2571 unsigned int result;
2572
2573 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2574 /* some models advertise the handle but have no implementation
2575 * for it
2576 */
2577 pr_info("No High Speed Charging capability found\n");
2578 return 0;
2579 }
2580
2581 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2582 if (!hsc_handle)
2583 return -ENOMEM;
2584
2585 sysfs_attr_init(&hsc_handle->attr);
2586 hsc_handle->attr.name = "battery_highspeed_charging";
2587 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2588 hsc_handle->show = sony_nc_highspeed_charging_show;
2589 hsc_handle->store = sony_nc_highspeed_charging_store;
2590
2591 result = device_create_file(&pd->dev, hsc_handle);
2592 if (result) {
2593 kfree(hsc_handle);
2594 hsc_handle = NULL;
2595 return result;
2596 }
2597
2598 return 0;
2599}
2600
2601static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2602{
2603 if (hsc_handle) {
2604 device_remove_file(&pd->dev, hsc_handle);
2605 kfree(hsc_handle);
2606 hsc_handle = NULL;
2607 }
2608}
2609
2610/* low battery function */
2611static struct device_attribute *lowbatt_handle;
2612
2613static ssize_t sony_nc_lowbatt_store(struct device *dev,
2614 struct device_attribute *attr,
2615 const char *buffer, size_t count)
2616{
2617 unsigned int result;
2618 unsigned long value;
2619
2620 if (count > 31)
2621 return -EINVAL;
2622
2623 if (kstrtoul(buffer, 10, &value) || value > 1)
2624 return -EINVAL;
2625
2626 if (sony_call_snc_handle(0x0121, value << 8, &result))
2627 return -EIO;
2628
2629 return count;
2630}
2631
2632static ssize_t sony_nc_lowbatt_show(struct device *dev,
2633 struct device_attribute *attr, char *buffer)
2634{
2635 unsigned int result;
2636
2637 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2638 return -EIO;
2639
2640 return sysfs_emit(buffer, "%d\n", result & 1);
2641}
2642
2643static int sony_nc_lowbatt_setup(struct platform_device *pd)
2644{
2645 unsigned int result;
2646
2647 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2648 if (!lowbatt_handle)
2649 return -ENOMEM;
2650
2651 sysfs_attr_init(&lowbatt_handle->attr);
2652 lowbatt_handle->attr.name = "lowbatt_hibernate";
2653 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2654 lowbatt_handle->show = sony_nc_lowbatt_show;
2655 lowbatt_handle->store = sony_nc_lowbatt_store;
2656
2657 result = device_create_file(&pd->dev, lowbatt_handle);
2658 if (result) {
2659 kfree(lowbatt_handle);
2660 lowbatt_handle = NULL;
2661 return result;
2662 }
2663
2664 return 0;
2665}
2666
2667static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2668{
2669 if (lowbatt_handle) {
2670 device_remove_file(&pd->dev, lowbatt_handle);
2671 kfree(lowbatt_handle);
2672 lowbatt_handle = NULL;
2673 }
2674}
2675
2676/* fan speed function */
2677static struct device_attribute *fan_handle, *hsf_handle;
2678
2679static ssize_t sony_nc_hsfan_store(struct device *dev,
2680 struct device_attribute *attr,
2681 const char *buffer, size_t count)
2682{
2683 unsigned int result;
2684 unsigned long value;
2685
2686 if (count > 31)
2687 return -EINVAL;
2688
2689 if (kstrtoul(buffer, 10, &value) || value > 1)
2690 return -EINVAL;
2691
2692 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2693 return -EIO;
2694
2695 return count;
2696}
2697
2698static ssize_t sony_nc_hsfan_show(struct device *dev,
2699 struct device_attribute *attr, char *buffer)
2700{
2701 unsigned int result;
2702
2703 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2704 return -EIO;
2705
2706 return sysfs_emit(buffer, "%d\n", result & 0x01);
2707}
2708
2709static ssize_t sony_nc_fanspeed_show(struct device *dev,
2710 struct device_attribute *attr, char *buffer)
2711{
2712 unsigned int result;
2713
2714 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2715 return -EIO;
2716
2717 return sysfs_emit(buffer, "%d\n", result & 0xff);
2718}
2719
2720static int sony_nc_fanspeed_setup(struct platform_device *pd)
2721{
2722 unsigned int result;
2723
2724 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2725 if (!fan_handle)
2726 return -ENOMEM;
2727
2728 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2729 if (!hsf_handle) {
2730 result = -ENOMEM;
2731 goto out_hsf_handle_alloc;
2732 }
2733
2734 sysfs_attr_init(&fan_handle->attr);
2735 fan_handle->attr.name = "fanspeed";
2736 fan_handle->attr.mode = S_IRUGO;
2737 fan_handle->show = sony_nc_fanspeed_show;
2738 fan_handle->store = NULL;
2739
2740 sysfs_attr_init(&hsf_handle->attr);
2741 hsf_handle->attr.name = "fan_forced";
2742 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2743 hsf_handle->show = sony_nc_hsfan_show;
2744 hsf_handle->store = sony_nc_hsfan_store;
2745
2746 result = device_create_file(&pd->dev, fan_handle);
2747 if (result)
2748 goto out_fan_handle;
2749
2750 result = device_create_file(&pd->dev, hsf_handle);
2751 if (result)
2752 goto out_hsf_handle;
2753
2754 return 0;
2755
2756out_hsf_handle:
2757 device_remove_file(&pd->dev, fan_handle);
2758
2759out_fan_handle:
2760 kfree(hsf_handle);
2761 hsf_handle = NULL;
2762
2763out_hsf_handle_alloc:
2764 kfree(fan_handle);
2765 fan_handle = NULL;
2766 return result;
2767}
2768
2769static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2770{
2771 if (fan_handle) {
2772 device_remove_file(&pd->dev, fan_handle);
2773 kfree(fan_handle);
2774 fan_handle = NULL;
2775 }
2776 if (hsf_handle) {
2777 device_remove_file(&pd->dev, hsf_handle);
2778 kfree(hsf_handle);
2779 hsf_handle = NULL;
2780 }
2781}
2782
2783/* USB charge function */
2784static struct device_attribute *uc_handle;
2785
2786static ssize_t sony_nc_usb_charge_store(struct device *dev,
2787 struct device_attribute *attr,
2788 const char *buffer, size_t count)
2789{
2790 unsigned int result;
2791 unsigned long value;
2792
2793 if (count > 31)
2794 return -EINVAL;
2795
2796 if (kstrtoul(buffer, 10, &value) || value > 1)
2797 return -EINVAL;
2798
2799 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2800 return -EIO;
2801
2802 return count;
2803}
2804
2805static ssize_t sony_nc_usb_charge_show(struct device *dev,
2806 struct device_attribute *attr, char *buffer)
2807{
2808 unsigned int result;
2809
2810 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2811 return -EIO;
2812
2813 return sysfs_emit(buffer, "%d\n", result & 0x01);
2814}
2815
2816static int sony_nc_usb_charge_setup(struct platform_device *pd)
2817{
2818 unsigned int result;
2819
2820 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2821 /* some models advertise the handle but have no implementation
2822 * for it
2823 */
2824 pr_info("No USB Charge capability found\n");
2825 return 0;
2826 }
2827
2828 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2829 if (!uc_handle)
2830 return -ENOMEM;
2831
2832 sysfs_attr_init(&uc_handle->attr);
2833 uc_handle->attr.name = "usb_charge";
2834 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2835 uc_handle->show = sony_nc_usb_charge_show;
2836 uc_handle->store = sony_nc_usb_charge_store;
2837
2838 result = device_create_file(&pd->dev, uc_handle);
2839 if (result) {
2840 kfree(uc_handle);
2841 uc_handle = NULL;
2842 return result;
2843 }
2844
2845 return 0;
2846}
2847
2848static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2849{
2850 if (uc_handle) {
2851 device_remove_file(&pd->dev, uc_handle);
2852 kfree(uc_handle);
2853 uc_handle = NULL;
2854 }
2855}
2856
2857/* Panel ID function */
2858static struct device_attribute *panel_handle;
2859
2860static ssize_t sony_nc_panelid_show(struct device *dev,
2861 struct device_attribute *attr, char *buffer)
2862{
2863 unsigned int result;
2864
2865 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2866 return -EIO;
2867
2868 return sysfs_emit(buffer, "%d\n", result);
2869}
2870
2871static int sony_nc_panelid_setup(struct platform_device *pd)
2872{
2873 unsigned int result;
2874
2875 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2876 if (!panel_handle)
2877 return -ENOMEM;
2878
2879 sysfs_attr_init(&panel_handle->attr);
2880 panel_handle->attr.name = "panel_id";
2881 panel_handle->attr.mode = S_IRUGO;
2882 panel_handle->show = sony_nc_panelid_show;
2883 panel_handle->store = NULL;
2884
2885 result = device_create_file(&pd->dev, panel_handle);
2886 if (result) {
2887 kfree(panel_handle);
2888 panel_handle = NULL;
2889 return result;
2890 }
2891
2892 return 0;
2893}
2894
2895static void sony_nc_panelid_cleanup(struct platform_device *pd)
2896{
2897 if (panel_handle) {
2898 device_remove_file(&pd->dev, panel_handle);
2899 kfree(panel_handle);
2900 panel_handle = NULL;
2901 }
2902}
2903
2904/* smart connect function */
2905static struct device_attribute *sc_handle;
2906
2907static ssize_t sony_nc_smart_conn_store(struct device *dev,
2908 struct device_attribute *attr,
2909 const char *buffer, size_t count)
2910{
2911 unsigned int result;
2912 unsigned long value;
2913
2914 if (count > 31)
2915 return -EINVAL;
2916
2917 if (kstrtoul(buffer, 10, &value) || value > 1)
2918 return -EINVAL;
2919
2920 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2921 return -EIO;
2922
2923 return count;
2924}
2925
2926static int sony_nc_smart_conn_setup(struct platform_device *pd)
2927{
2928 unsigned int result;
2929
2930 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2931 if (!sc_handle)
2932 return -ENOMEM;
2933
2934 sysfs_attr_init(&sc_handle->attr);
2935 sc_handle->attr.name = "smart_connect";
2936 sc_handle->attr.mode = S_IWUSR;
2937 sc_handle->show = NULL;
2938 sc_handle->store = sony_nc_smart_conn_store;
2939
2940 result = device_create_file(&pd->dev, sc_handle);
2941 if (result) {
2942 kfree(sc_handle);
2943 sc_handle = NULL;
2944 return result;
2945 }
2946
2947 return 0;
2948}
2949
2950static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2951{
2952 if (sc_handle) {
2953 device_remove_file(&pd->dev, sc_handle);
2954 kfree(sc_handle);
2955 sc_handle = NULL;
2956 }
2957}
2958
2959/* Touchpad enable/disable */
2960struct touchpad_control {
2961 struct device_attribute attr;
2962 int handle;
2963};
2964static struct touchpad_control *tp_ctl;
2965
2966static ssize_t sony_nc_touchpad_store(struct device *dev,
2967 struct device_attribute *attr, const char *buffer, size_t count)
2968{
2969 unsigned int result;
2970 unsigned long value;
2971
2972 if (count > 31)
2973 return -EINVAL;
2974
2975 if (kstrtoul(buffer, 10, &value) || value > 1)
2976 return -EINVAL;
2977
2978 /* sysfs: 0 disabled, 1 enabled
2979 * EC: 0 enabled, 1 disabled
2980 */
2981 if (sony_call_snc_handle(tp_ctl->handle,
2982 (!value << 0x10) | 0x100, &result))
2983 return -EIO;
2984
2985 return count;
2986}
2987
2988static ssize_t sony_nc_touchpad_show(struct device *dev,
2989 struct device_attribute *attr, char *buffer)
2990{
2991 unsigned int result;
2992
2993 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2994 return -EINVAL;
2995
2996 return sysfs_emit(buffer, "%d\n", !(result & 0x01));
2997}
2998
2999static int sony_nc_touchpad_setup(struct platform_device *pd,
3000 unsigned int handle)
3001{
3002 int ret = 0;
3003
3004 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
3005 if (!tp_ctl)
3006 return -ENOMEM;
3007
3008 tp_ctl->handle = handle;
3009
3010 sysfs_attr_init(&tp_ctl->attr.attr);
3011 tp_ctl->attr.attr.name = "touchpad";
3012 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3013 tp_ctl->attr.show = sony_nc_touchpad_show;
3014 tp_ctl->attr.store = sony_nc_touchpad_store;
3015
3016 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3017 if (ret) {
3018 kfree(tp_ctl);
3019 tp_ctl = NULL;
3020 }
3021
3022 return ret;
3023}
3024
3025static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3026{
3027 if (tp_ctl) {
3028 device_remove_file(&pd->dev, &tp_ctl->attr);
3029 kfree(tp_ctl);
3030 tp_ctl = NULL;
3031 }
3032}
3033
3034static void sony_nc_backlight_ng_read_limits(int handle,
3035 struct sony_backlight_props *props)
3036{
3037 u64 offset;
3038 int i;
3039 int lvl_table_len = 0;
3040 u8 min = 0xff, max = 0x00;
3041 unsigned char buffer[32] = { 0 };
3042
3043 props->handle = handle;
3044 props->offset = 0;
3045 props->maxlvl = 0xff;
3046
3047 offset = sony_find_snc_handle(handle);
3048
3049 /* try to read the boundaries from ACPI tables, if we fail the above
3050 * defaults should be reasonable
3051 */
3052 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3053 32);
3054 if (i < 0)
3055 return;
3056
3057 switch (handle) {
3058 case 0x012f:
3059 case 0x0137:
3060 lvl_table_len = 9;
3061 break;
3062 case 0x143:
3063 case 0x14b:
3064 case 0x14c:
3065 lvl_table_len = 16;
3066 break;
3067 }
3068
3069 /* the buffer lists brightness levels available, brightness levels are
3070 * from position 0 to 8 in the array, other values are used by ALS
3071 * control.
3072 */
3073 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3074
3075 dprintk("Brightness level: %d\n", buffer[i]);
3076
3077 if (!buffer[i])
3078 break;
3079
3080 if (buffer[i] > max)
3081 max = buffer[i];
3082 if (buffer[i] < min)
3083 min = buffer[i];
3084 }
3085 props->offset = min;
3086 props->maxlvl = max;
3087 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3088 props->maxlvl);
3089}
3090
3091static void sony_nc_backlight_setup(void)
3092{
3093 int max_brightness = 0;
3094 const struct backlight_ops *ops = NULL;
3095 struct backlight_properties props;
3096
3097 if (sony_find_snc_handle(0x12f) >= 0) {
3098 ops = &sony_backlight_ng_ops;
3099 sony_bl_props.cmd_base = 0x0100;
3100 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3101 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3102
3103 } else if (sony_find_snc_handle(0x137) >= 0) {
3104 ops = &sony_backlight_ng_ops;
3105 sony_bl_props.cmd_base = 0x0100;
3106 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3107 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3108
3109 } else if (sony_find_snc_handle(0x143) >= 0) {
3110 ops = &sony_backlight_ng_ops;
3111 sony_bl_props.cmd_base = 0x3000;
3112 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3113 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3114
3115 } else if (sony_find_snc_handle(0x14b) >= 0) {
3116 ops = &sony_backlight_ng_ops;
3117 sony_bl_props.cmd_base = 0x3000;
3118 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3119 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3120
3121 } else if (sony_find_snc_handle(0x14c) >= 0) {
3122 ops = &sony_backlight_ng_ops;
3123 sony_bl_props.cmd_base = 0x3000;
3124 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3125 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3126
3127 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3128 ops = &sony_backlight_ops;
3129 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3130
3131 } else
3132 return;
3133
3134 memset(&props, 0, sizeof(struct backlight_properties));
3135 props.type = BACKLIGHT_PLATFORM;
3136 props.max_brightness = max_brightness;
3137 sony_bl_props.dev = backlight_device_register("sony", NULL,
3138 &sony_bl_props,
3139 ops, &props);
3140
3141 if (IS_ERR(sony_bl_props.dev)) {
3142 pr_warn("unable to register backlight device\n");
3143 sony_bl_props.dev = NULL;
3144 } else
3145 sony_bl_props.dev->props.brightness =
3146 ops->get_brightness(sony_bl_props.dev);
3147}
3148
3149static void sony_nc_backlight_cleanup(void)
3150{
3151 backlight_device_unregister(sony_bl_props.dev);
3152}
3153
3154static int sony_nc_add(struct acpi_device *device)
3155{
3156 acpi_status status;
3157 int result = 0;
3158 struct sony_nc_value *item;
3159
3160 sony_nc_acpi_device = device;
3161 strcpy(acpi_device_class(device), "sony/hotkey");
3162
3163 sony_nc_acpi_handle = device->handle;
3164
3165 /* read device status */
3166 result = acpi_bus_get_status(device);
3167 /* bail IFF the above call was successful and the device is not present */
3168 if (!result && !device->status.present) {
3169 dprintk("Device not present\n");
3170 result = -ENODEV;
3171 goto outwalk;
3172 }
3173
3174 result = sony_pf_add();
3175 if (result)
3176 goto outpresent;
3177
3178 if (debug) {
3179 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3180 sony_nc_acpi_handle, 1, sony_walk_callback,
3181 NULL, NULL, NULL);
3182 if (ACPI_FAILURE(status)) {
3183 pr_warn("unable to walk acpi resources\n");
3184 result = -ENODEV;
3185 goto outpresent;
3186 }
3187 }
3188
3189 result = sony_laptop_setup_input(device);
3190 if (result) {
3191 pr_err("Unable to create input devices\n");
3192 goto outplatform;
3193 }
3194
3195 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3196 int arg = 1;
3197 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3198 dprintk("ECON Method failed\n");
3199 }
3200
3201 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3202 dprintk("Doing SNC setup\n");
3203 /* retrieve the available handles */
3204 result = sony_nc_handles_setup(sony_pf_device);
3205 if (!result)
3206 sony_nc_function_setup(device, sony_pf_device);
3207 }
3208
3209 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3210 sony_nc_backlight_setup();
3211
3212 /* create sony_pf sysfs attributes related to the SNC device */
3213 for (item = sony_nc_values; item->name; ++item) {
3214
3215 if (!debug && item->debug)
3216 continue;
3217
3218 /* find the available acpiget as described in the DSDT */
3219 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3220 if (acpi_has_method(sony_nc_acpi_handle,
3221 *item->acpiget)) {
3222 dprintk("Found %s getter: %s\n",
3223 item->name, *item->acpiget);
3224 item->devattr.attr.mode |= S_IRUGO;
3225 break;
3226 }
3227 }
3228
3229 /* find the available acpiset as described in the DSDT */
3230 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3231 if (acpi_has_method(sony_nc_acpi_handle,
3232 *item->acpiset)) {
3233 dprintk("Found %s setter: %s\n",
3234 item->name, *item->acpiset);
3235 item->devattr.attr.mode |= S_IWUSR;
3236 break;
3237 }
3238 }
3239
3240 if (item->devattr.attr.mode != 0) {
3241 result =
3242 device_create_file(&sony_pf_device->dev,
3243 &item->devattr);
3244 if (result)
3245 goto out_sysfs;
3246 }
3247 }
3248
3249 pr_info("SNC setup done.\n");
3250 return 0;
3251
3252out_sysfs:
3253 for (item = sony_nc_values; item->name; ++item) {
3254 device_remove_file(&sony_pf_device->dev, &item->devattr);
3255 }
3256 sony_nc_backlight_cleanup();
3257 sony_nc_function_cleanup(sony_pf_device);
3258 sony_nc_handles_cleanup(sony_pf_device);
3259
3260outplatform:
3261 sony_laptop_remove_input();
3262
3263outpresent:
3264 sony_pf_remove();
3265
3266outwalk:
3267 sony_nc_rfkill_cleanup();
3268 return result;
3269}
3270
3271static void sony_nc_remove(struct acpi_device *device)
3272{
3273 struct sony_nc_value *item;
3274
3275 sony_nc_backlight_cleanup();
3276
3277 sony_nc_acpi_device = NULL;
3278
3279 for (item = sony_nc_values; item->name; ++item) {
3280 device_remove_file(&sony_pf_device->dev, &item->devattr);
3281 }
3282
3283 sony_nc_function_cleanup(sony_pf_device);
3284 sony_nc_handles_cleanup(sony_pf_device);
3285 sony_pf_remove();
3286 sony_laptop_remove_input();
3287 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3288}
3289
3290static const struct acpi_device_id sony_device_ids[] __maybe_unused = {
3291 {SONY_NC_HID, 0},
3292 {SONY_PIC_HID, 0},
3293 {"", 0},
3294};
3295MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3296
3297static const struct acpi_device_id sony_nc_device_ids[] = {
3298 {SONY_NC_HID, 0},
3299 {"", 0},
3300};
3301
3302static struct acpi_driver sony_nc_driver = {
3303 .name = SONY_NC_DRIVER_NAME,
3304 .class = SONY_NC_CLASS,
3305 .ids = sony_nc_device_ids,
3306 .owner = THIS_MODULE,
3307 .ops = {
3308 .add = sony_nc_add,
3309 .remove = sony_nc_remove,
3310 .notify = sony_nc_notify,
3311 },
3312 .drv.pm = &sony_nc_pm,
3313};
3314
3315/*********** SPIC (SNY6001) Device ***********/
3316
3317#define SONYPI_DEVICE_TYPE1 0x00000001
3318#define SONYPI_DEVICE_TYPE2 0x00000002
3319#define SONYPI_DEVICE_TYPE3 0x00000004
3320
3321#define SONYPI_TYPE1_OFFSET 0x04
3322#define SONYPI_TYPE2_OFFSET 0x12
3323#define SONYPI_TYPE3_OFFSET 0x12
3324
3325struct sony_pic_ioport {
3326 struct acpi_resource_io io1;
3327 struct acpi_resource_io io2;
3328 struct list_head list;
3329};
3330
3331struct sony_pic_irq {
3332 struct acpi_resource_irq irq;
3333 struct list_head list;
3334};
3335
3336struct sonypi_eventtypes {
3337 u8 data;
3338 unsigned long mask;
3339 struct sonypi_event *events;
3340};
3341
3342struct sony_pic_dev {
3343 struct acpi_device *acpi_dev;
3344 struct sony_pic_irq *cur_irq;
3345 struct sony_pic_ioport *cur_ioport;
3346 struct list_head interrupts;
3347 struct list_head ioports;
3348 struct mutex lock;
3349 struct sonypi_eventtypes *event_types;
3350 int (*handle_irq)(const u8, const u8);
3351 int model;
3352 u16 evport_offset;
3353 u8 camera_power;
3354 u8 bluetooth_power;
3355 u8 wwan_power;
3356};
3357
3358static struct sony_pic_dev spic_dev = {
3359 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3360 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3361};
3362
3363static int spic_drv_registered;
3364
3365/* Event masks */
3366#define SONYPI_JOGGER_MASK 0x00000001
3367#define SONYPI_CAPTURE_MASK 0x00000002
3368#define SONYPI_FNKEY_MASK 0x00000004
3369#define SONYPI_BLUETOOTH_MASK 0x00000008
3370#define SONYPI_PKEY_MASK 0x00000010
3371#define SONYPI_BACK_MASK 0x00000020
3372#define SONYPI_HELP_MASK 0x00000040
3373#define SONYPI_LID_MASK 0x00000080
3374#define SONYPI_ZOOM_MASK 0x00000100
3375#define SONYPI_THUMBPHRASE_MASK 0x00000200
3376#define SONYPI_MEYE_MASK 0x00000400
3377#define SONYPI_MEMORYSTICK_MASK 0x00000800
3378#define SONYPI_BATTERY_MASK 0x00001000
3379#define SONYPI_WIRELESS_MASK 0x00002000
3380
3381struct sonypi_event {
3382 u8 data;
3383 u8 event;
3384};
3385
3386/* The set of possible button release events */
3387static struct sonypi_event sonypi_releaseev[] = {
3388 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3389 { 0, 0 }
3390};
3391
3392/* The set of possible jogger events */
3393static struct sonypi_event sonypi_joggerev[] = {
3394 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3395 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3396 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3397 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3398 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3399 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3400 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3401 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3402 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3403 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3404 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3405 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3406 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3407 { 0, 0 }
3408};
3409
3410/* The set of possible capture button events */
3411static struct sonypi_event sonypi_captureev[] = {
3412 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3413 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3414 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3415 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3416 { 0, 0 }
3417};
3418
3419/* The set of possible fnkeys events */
3420static struct sonypi_event sonypi_fnkeyev[] = {
3421 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3422 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3423 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3424 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3425 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3426 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3427 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3428 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3429 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3430 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3431 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3432 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3433 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3434 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3435 { 0x21, SONYPI_EVENT_FNKEY_1 },
3436 { 0x22, SONYPI_EVENT_FNKEY_2 },
3437 { 0x31, SONYPI_EVENT_FNKEY_D },
3438 { 0x32, SONYPI_EVENT_FNKEY_E },
3439 { 0x33, SONYPI_EVENT_FNKEY_F },
3440 { 0x34, SONYPI_EVENT_FNKEY_S },
3441 { 0x35, SONYPI_EVENT_FNKEY_B },
3442 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3443 { 0, 0 }
3444};
3445
3446/* The set of possible program key events */
3447static struct sonypi_event sonypi_pkeyev[] = {
3448 { 0x01, SONYPI_EVENT_PKEY_P1 },
3449 { 0x02, SONYPI_EVENT_PKEY_P2 },
3450 { 0x04, SONYPI_EVENT_PKEY_P3 },
3451 { 0x20, SONYPI_EVENT_PKEY_P1 },
3452 { 0, 0 }
3453};
3454
3455/* The set of possible bluetooth events */
3456static struct sonypi_event sonypi_blueev[] = {
3457 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3458 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3459 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3460 { 0, 0 }
3461};
3462
3463/* The set of possible wireless events */
3464static struct sonypi_event sonypi_wlessev[] = {
3465 { 0x59, SONYPI_EVENT_IGNORE },
3466 { 0x5a, SONYPI_EVENT_IGNORE },
3467 { 0, 0 }
3468};
3469
3470/* The set of possible back button events */
3471static struct sonypi_event sonypi_backev[] = {
3472 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3473 { 0, 0 }
3474};
3475
3476/* The set of possible help button events */
3477static struct sonypi_event sonypi_helpev[] = {
3478 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3479 { 0, 0 }
3480};
3481
3482
3483/* The set of possible lid events */
3484static struct sonypi_event sonypi_lidev[] = {
3485 { 0x51, SONYPI_EVENT_LID_CLOSED },
3486 { 0x50, SONYPI_EVENT_LID_OPENED },
3487 { 0, 0 }
3488};
3489
3490/* The set of possible zoom events */
3491static struct sonypi_event sonypi_zoomev[] = {
3492 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3493 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3494 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3495 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3496 { 0, 0 }
3497};
3498
3499/* The set of possible thumbphrase events */
3500static struct sonypi_event sonypi_thumbphraseev[] = {
3501 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3502 { 0, 0 }
3503};
3504
3505/* The set of possible motioneye camera events */
3506static struct sonypi_event sonypi_meyeev[] = {
3507 { 0x00, SONYPI_EVENT_MEYE_FACE },
3508 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3509 { 0, 0 }
3510};
3511
3512/* The set of possible memorystick events */
3513static struct sonypi_event sonypi_memorystickev[] = {
3514 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3515 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3516 { 0, 0 }
3517};
3518
3519/* The set of possible battery events */
3520static struct sonypi_event sonypi_batteryev[] = {
3521 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3522 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3523 { 0, 0 }
3524};
3525
3526/* The set of possible volume events */
3527static struct sonypi_event sonypi_volumeev[] = {
3528 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3529 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3530 { 0, 0 }
3531};
3532
3533/* The set of possible brightness events */
3534static struct sonypi_event sonypi_brightnessev[] = {
3535 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3536 { 0, 0 }
3537};
3538
3539static struct sonypi_eventtypes type1_events[] = {
3540 { 0, 0xffffffff, sonypi_releaseev },
3541 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3542 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3543 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3544 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3545 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3546 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3547 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3548 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3549 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3550 { 0 },
3551};
3552static struct sonypi_eventtypes type2_events[] = {
3553 { 0, 0xffffffff, sonypi_releaseev },
3554 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3555 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3556 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3557 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3558 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3559 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3560 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3561 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3562 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3563 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3564 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3565 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3566 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3567 { 0 },
3568};
3569static struct sonypi_eventtypes type3_events[] = {
3570 { 0, 0xffffffff, sonypi_releaseev },
3571 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3572 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3573 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3574 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3575 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3576 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3577 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3578 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3579 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3580 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3581 { 0 },
3582};
3583
3584/* low level spic calls */
3585#define ITERATIONS_LONG 10000
3586#define ITERATIONS_SHORT 10
3587#define wait_on_command(command, iterations) { \
3588 unsigned int n = iterations; \
3589 while (--n && (command)) \
3590 udelay(1); \
3591 if (!n) \
3592 dprintk("command failed at %s : %s (line %d)\n", \
3593 __FILE__, __func__, __LINE__); \
3594}
3595
3596static u8 sony_pic_call1(u8 dev)
3597{
3598 u8 v1, v2;
3599
3600 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3601 ITERATIONS_LONG);
3602 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3603 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3604 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3605 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3606 return v2;
3607}
3608
3609static u8 sony_pic_call2(u8 dev, u8 fn)
3610{
3611 u8 v1;
3612
3613 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3614 ITERATIONS_LONG);
3615 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3616 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3617 ITERATIONS_LONG);
3618 outb(fn, spic_dev.cur_ioport->io1.minimum);
3619 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3620 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3621 return v1;
3622}
3623
3624static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3625{
3626 u8 v1;
3627
3628 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3629 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3630 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3631 outb(fn, spic_dev.cur_ioport->io1.minimum);
3632 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3633 outb(v, spic_dev.cur_ioport->io1.minimum);
3634 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3635 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3636 dev, fn, v, v1);
3637 return v1;
3638}
3639
3640/*
3641 * minidrivers for SPIC models
3642 */
3643static int type3_handle_irq(const u8 data_mask, const u8 ev)
3644{
3645 /*
3646 * 0x31 could mean we have to take some extra action and wait for
3647 * the next irq for some Type3 models, it will generate a new
3648 * irq and we can read new data from the device:
3649 * - 0x5c and 0x5f requires 0xA0
3650 * - 0x61 requires 0xB3
3651 */
3652 if (data_mask == 0x31) {
3653 if (ev == 0x5c || ev == 0x5f)
3654 sony_pic_call1(0xA0);
3655 else if (ev == 0x61)
3656 sony_pic_call1(0xB3);
3657 return 0;
3658 }
3659 return 1;
3660}
3661
3662static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3663{
3664 struct pci_dev *pcidev;
3665
3666 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3667 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3668 if (pcidev) {
3669 dev->model = SONYPI_DEVICE_TYPE1;
3670 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3671 dev->event_types = type1_events;
3672 goto out;
3673 }
3674
3675 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3676 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3677 if (pcidev) {
3678 dev->model = SONYPI_DEVICE_TYPE2;
3679 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3680 dev->event_types = type2_events;
3681 goto out;
3682 }
3683
3684 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3685 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3686 if (pcidev) {
3687 dev->model = SONYPI_DEVICE_TYPE3;
3688 dev->handle_irq = type3_handle_irq;
3689 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3690 dev->event_types = type3_events;
3691 goto out;
3692 }
3693
3694 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3695 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3696 if (pcidev) {
3697 dev->model = SONYPI_DEVICE_TYPE3;
3698 dev->handle_irq = type3_handle_irq;
3699 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3700 dev->event_types = type3_events;
3701 goto out;
3702 }
3703
3704 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3705 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3706 if (pcidev) {
3707 dev->model = SONYPI_DEVICE_TYPE3;
3708 dev->handle_irq = type3_handle_irq;
3709 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3710 dev->event_types = type3_events;
3711 goto out;
3712 }
3713
3714 /* default */
3715 dev->model = SONYPI_DEVICE_TYPE2;
3716 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3717 dev->event_types = type2_events;
3718
3719out:
3720 pci_dev_put(pcidev);
3721
3722 pr_info("detected Type%d model\n",
3723 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3724 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3725}
3726
3727/* camera tests and poweron/poweroff */
3728#define SONYPI_CAMERA_PICTURE 5
3729#define SONYPI_CAMERA_CONTROL 0x10
3730
3731#define SONYPI_CAMERA_BRIGHTNESS 0
3732#define SONYPI_CAMERA_CONTRAST 1
3733#define SONYPI_CAMERA_HUE 2
3734#define SONYPI_CAMERA_COLOR 3
3735#define SONYPI_CAMERA_SHARPNESS 4
3736
3737#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3738#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3739#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3740#define SONYPI_CAMERA_MUTE_MASK 0x40
3741
3742/* the rest don't need a loop until not 0xff */
3743#define SONYPI_CAMERA_AGC 6
3744#define SONYPI_CAMERA_AGC_MASK 0x30
3745#define SONYPI_CAMERA_SHUTTER_MASK 0x7
3746
3747#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3748#define SONYPI_CAMERA_CONTROL 0x10
3749
3750#define SONYPI_CAMERA_STATUS 7
3751#define SONYPI_CAMERA_STATUS_READY 0x2
3752#define SONYPI_CAMERA_STATUS_POSITION 0x4
3753
3754#define SONYPI_DIRECTION_BACKWARDS 0x4
3755
3756#define SONYPI_CAMERA_REVISION 8
3757#define SONYPI_CAMERA_ROMVERSION 9
3758
3759static int __sony_pic_camera_ready(void)
3760{
3761 u8 v;
3762
3763 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3764 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3765}
3766
3767static int __sony_pic_camera_off(void)
3768{
3769 if (!camera) {
3770 pr_warn("camera control not enabled\n");
3771 return -ENODEV;
3772 }
3773
3774 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3775 SONYPI_CAMERA_MUTE_MASK),
3776 ITERATIONS_SHORT);
3777
3778 if (spic_dev.camera_power) {
3779 sony_pic_call2(0x91, 0);
3780 spic_dev.camera_power = 0;
3781 }
3782 return 0;
3783}
3784
3785static int __sony_pic_camera_on(void)
3786{
3787 int i, j, x;
3788
3789 if (!camera) {
3790 pr_warn("camera control not enabled\n");
3791 return -ENODEV;
3792 }
3793
3794 if (spic_dev.camera_power)
3795 return 0;
3796
3797 for (j = 5; j > 0; j--) {
3798
3799 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3800 msleep(10);
3801 sony_pic_call1(0x93);
3802
3803 for (i = 400; i > 0; i--) {
3804 if (__sony_pic_camera_ready())
3805 break;
3806 msleep(10);
3807 }
3808 if (i)
3809 break;
3810 }
3811
3812 if (j == 0) {
3813 pr_warn("failed to power on camera\n");
3814 return -ENODEV;
3815 }
3816
3817 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3818 0x5a),
3819 ITERATIONS_SHORT);
3820
3821 spic_dev.camera_power = 1;
3822 return 0;
3823}
3824
3825/* External camera command (exported to the motion eye v4l driver) */
3826int sony_pic_camera_command(int command, u8 value)
3827{
3828 if (!camera)
3829 return -EIO;
3830
3831 mutex_lock(&spic_dev.lock);
3832
3833 switch (command) {
3834 case SONY_PIC_COMMAND_SETCAMERA:
3835 if (value)
3836 __sony_pic_camera_on();
3837 else
3838 __sony_pic_camera_off();
3839 break;
3840 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3841 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3842 ITERATIONS_SHORT);
3843 break;
3844 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3845 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3846 ITERATIONS_SHORT);
3847 break;
3848 case SONY_PIC_COMMAND_SETCAMERAHUE:
3849 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3850 ITERATIONS_SHORT);
3851 break;
3852 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3853 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3854 ITERATIONS_SHORT);
3855 break;
3856 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3857 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3858 ITERATIONS_SHORT);
3859 break;
3860 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3861 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3862 ITERATIONS_SHORT);
3863 break;
3864 case SONY_PIC_COMMAND_SETCAMERAAGC:
3865 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3866 ITERATIONS_SHORT);
3867 break;
3868 default:
3869 pr_err("sony_pic_camera_command invalid: %d\n", command);
3870 break;
3871 }
3872 mutex_unlock(&spic_dev.lock);
3873 return 0;
3874}
3875EXPORT_SYMBOL(sony_pic_camera_command);
3876
3877/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3878static void __sony_pic_set_wwanpower(u8 state)
3879{
3880 state = !!state;
3881 if (spic_dev.wwan_power == state)
3882 return;
3883 sony_pic_call2(0xB0, state);
3884 sony_pic_call1(0x82);
3885 spic_dev.wwan_power = state;
3886}
3887
3888static ssize_t sony_pic_wwanpower_store(struct device *dev,
3889 struct device_attribute *attr,
3890 const char *buffer, size_t count)
3891{
3892 unsigned long value;
3893 if (count > 31)
3894 return -EINVAL;
3895
3896 if (kstrtoul(buffer, 10, &value))
3897 return -EINVAL;
3898
3899 mutex_lock(&spic_dev.lock);
3900 __sony_pic_set_wwanpower(value);
3901 mutex_unlock(&spic_dev.lock);
3902
3903 return count;
3904}
3905
3906static ssize_t sony_pic_wwanpower_show(struct device *dev,
3907 struct device_attribute *attr, char *buffer)
3908{
3909 ssize_t count;
3910 mutex_lock(&spic_dev.lock);
3911 count = sysfs_emit(buffer, "%d\n", spic_dev.wwan_power);
3912 mutex_unlock(&spic_dev.lock);
3913 return count;
3914}
3915
3916/* bluetooth subsystem power state */
3917static void __sony_pic_set_bluetoothpower(u8 state)
3918{
3919 state = !!state;
3920 if (spic_dev.bluetooth_power == state)
3921 return;
3922 sony_pic_call2(0x96, state);
3923 sony_pic_call1(0x82);
3924 spic_dev.bluetooth_power = state;
3925}
3926
3927static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3928 struct device_attribute *attr,
3929 const char *buffer, size_t count)
3930{
3931 unsigned long value;
3932 if (count > 31)
3933 return -EINVAL;
3934
3935 if (kstrtoul(buffer, 10, &value))
3936 return -EINVAL;
3937
3938 mutex_lock(&spic_dev.lock);
3939 __sony_pic_set_bluetoothpower(value);
3940 mutex_unlock(&spic_dev.lock);
3941
3942 return count;
3943}
3944
3945static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3946 struct device_attribute *attr, char *buffer)
3947{
3948 ssize_t count = 0;
3949 mutex_lock(&spic_dev.lock);
3950 count = sysfs_emit(buffer, "%d\n", spic_dev.bluetooth_power);
3951 mutex_unlock(&spic_dev.lock);
3952 return count;
3953}
3954
3955/* fan speed */
3956/* FAN0 information (reverse engineered from ACPI tables) */
3957#define SONY_PIC_FAN0_STATUS 0x93
3958static int sony_pic_set_fanspeed(unsigned long value)
3959{
3960 return ec_write(SONY_PIC_FAN0_STATUS, value);
3961}
3962
3963static int sony_pic_get_fanspeed(u8 *value)
3964{
3965 return ec_read(SONY_PIC_FAN0_STATUS, value);
3966}
3967
3968static ssize_t sony_pic_fanspeed_store(struct device *dev,
3969 struct device_attribute *attr,
3970 const char *buffer, size_t count)
3971{
3972 unsigned long value;
3973 if (count > 31)
3974 return -EINVAL;
3975
3976 if (kstrtoul(buffer, 10, &value))
3977 return -EINVAL;
3978
3979 if (sony_pic_set_fanspeed(value))
3980 return -EIO;
3981
3982 return count;
3983}
3984
3985static ssize_t sony_pic_fanspeed_show(struct device *dev,
3986 struct device_attribute *attr, char *buffer)
3987{
3988 u8 value = 0;
3989 if (sony_pic_get_fanspeed(&value))
3990 return -EIO;
3991
3992 return sysfs_emit(buffer, "%d\n", value);
3993}
3994
3995#define SPIC_ATTR(_name, _mode) \
3996struct device_attribute spic_attr_##_name = __ATTR(_name, \
3997 _mode, sony_pic_## _name ##_show, \
3998 sony_pic_## _name ##_store)
3999
4000static SPIC_ATTR(bluetoothpower, 0644);
4001static SPIC_ATTR(wwanpower, 0644);
4002static SPIC_ATTR(fanspeed, 0644);
4003
4004static struct attribute *spic_attributes[] = {
4005 &spic_attr_bluetoothpower.attr,
4006 &spic_attr_wwanpower.attr,
4007 &spic_attr_fanspeed.attr,
4008 NULL
4009};
4010
4011static const struct attribute_group spic_attribute_group = {
4012 .attrs = spic_attributes
4013};
4014
4015/******** SONYPI compatibility **********/
4016#ifdef CONFIG_SONYPI_COMPAT
4017
4018/* battery / brightness / temperature addresses */
4019#define SONYPI_BAT_FLAGS 0x81
4020#define SONYPI_LCD_LIGHT 0x96
4021#define SONYPI_BAT1_PCTRM 0xa0
4022#define SONYPI_BAT1_LEFT 0xa2
4023#define SONYPI_BAT1_MAXRT 0xa4
4024#define SONYPI_BAT2_PCTRM 0xa8
4025#define SONYPI_BAT2_LEFT 0xaa
4026#define SONYPI_BAT2_MAXRT 0xac
4027#define SONYPI_BAT1_MAXTK 0xb0
4028#define SONYPI_BAT1_FULL 0xb2
4029#define SONYPI_BAT2_MAXTK 0xb8
4030#define SONYPI_BAT2_FULL 0xba
4031#define SONYPI_TEMP_STATUS 0xC1
4032
4033struct sonypi_compat_s {
4034 struct fasync_struct *fifo_async;
4035 struct kfifo fifo;
4036 spinlock_t fifo_lock;
4037 wait_queue_head_t fifo_proc_list;
4038 atomic_t open_count;
4039};
4040static struct sonypi_compat_s sonypi_compat = {
4041 .open_count = ATOMIC_INIT(0),
4042};
4043
4044static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4045{
4046 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4047}
4048
4049static int sonypi_misc_release(struct inode *inode, struct file *file)
4050{
4051 atomic_dec(&sonypi_compat.open_count);
4052 return 0;
4053}
4054
4055static int sonypi_misc_open(struct inode *inode, struct file *file)
4056{
4057 /* Flush input queue on first open */
4058 unsigned long flags;
4059
4060 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4061
4062 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4063 kfifo_reset(&sonypi_compat.fifo);
4064
4065 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4066
4067 return 0;
4068}
4069
4070static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4071 size_t count, loff_t *pos)
4072{
4073 ssize_t ret;
4074 unsigned char c;
4075
4076 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4077 (file->f_flags & O_NONBLOCK))
4078 return -EAGAIN;
4079
4080 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4081 kfifo_len(&sonypi_compat.fifo) != 0);
4082 if (ret)
4083 return ret;
4084
4085 while (ret < count &&
4086 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4087 &sonypi_compat.fifo_lock) == sizeof(c))) {
4088 if (put_user(c, buf++))
4089 return -EFAULT;
4090 ret++;
4091 }
4092
4093 if (ret > 0) {
4094 struct inode *inode = file_inode(file);
4095 inode_set_atime_to_ts(inode, current_time(inode));
4096 }
4097
4098 return ret;
4099}
4100
4101static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
4102{
4103 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4104 if (kfifo_len(&sonypi_compat.fifo))
4105 return EPOLLIN | EPOLLRDNORM;
4106 return 0;
4107}
4108
4109static int ec_read16(u8 addr, u16 *value)
4110{
4111 u8 val_lb, val_hb;
4112 if (ec_read(addr, &val_lb))
4113 return -1;
4114 if (ec_read(addr + 1, &val_hb))
4115 return -1;
4116 *value = val_lb | (val_hb << 8);
4117 return 0;
4118}
4119
4120static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4121 unsigned long arg)
4122{
4123 int ret = 0;
4124 void __user *argp = (void __user *)arg;
4125 u8 val8;
4126 u16 val16;
4127 int value;
4128
4129 mutex_lock(&spic_dev.lock);
4130 switch (cmd) {
4131 case SONYPI_IOCGBRT:
4132 if (sony_bl_props.dev == NULL) {
4133 ret = -EIO;
4134 break;
4135 }
4136 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4137 &value)) {
4138 ret = -EIO;
4139 break;
4140 }
4141 val8 = ((value & 0xff) - 1) << 5;
4142 if (copy_to_user(argp, &val8, sizeof(val8)))
4143 ret = -EFAULT;
4144 break;
4145 case SONYPI_IOCSBRT:
4146 if (sony_bl_props.dev == NULL) {
4147 ret = -EIO;
4148 break;
4149 }
4150 if (copy_from_user(&val8, argp, sizeof(val8))) {
4151 ret = -EFAULT;
4152 break;
4153 }
4154 value = (val8 >> 5) + 1;
4155 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4156 NULL)) {
4157 ret = -EIO;
4158 break;
4159 }
4160 /* sync the backlight device status */
4161 sony_bl_props.dev->props.brightness =
4162 sony_backlight_get_brightness(sony_bl_props.dev);
4163 break;
4164 case SONYPI_IOCGBAT1CAP:
4165 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4166 ret = -EIO;
4167 break;
4168 }
4169 if (copy_to_user(argp, &val16, sizeof(val16)))
4170 ret = -EFAULT;
4171 break;
4172 case SONYPI_IOCGBAT1REM:
4173 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4174 ret = -EIO;
4175 break;
4176 }
4177 if (copy_to_user(argp, &val16, sizeof(val16)))
4178 ret = -EFAULT;
4179 break;
4180 case SONYPI_IOCGBAT2CAP:
4181 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4182 ret = -EIO;
4183 break;
4184 }
4185 if (copy_to_user(argp, &val16, sizeof(val16)))
4186 ret = -EFAULT;
4187 break;
4188 case SONYPI_IOCGBAT2REM:
4189 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4190 ret = -EIO;
4191 break;
4192 }
4193 if (copy_to_user(argp, &val16, sizeof(val16)))
4194 ret = -EFAULT;
4195 break;
4196 case SONYPI_IOCGBATFLAGS:
4197 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4198 ret = -EIO;
4199 break;
4200 }
4201 val8 &= 0x07;
4202 if (copy_to_user(argp, &val8, sizeof(val8)))
4203 ret = -EFAULT;
4204 break;
4205 case SONYPI_IOCGBLUE:
4206 val8 = spic_dev.bluetooth_power;
4207 if (copy_to_user(argp, &val8, sizeof(val8)))
4208 ret = -EFAULT;
4209 break;
4210 case SONYPI_IOCSBLUE:
4211 if (copy_from_user(&val8, argp, sizeof(val8))) {
4212 ret = -EFAULT;
4213 break;
4214 }
4215 __sony_pic_set_bluetoothpower(val8);
4216 break;
4217 /* FAN Controls */
4218 case SONYPI_IOCGFAN:
4219 if (sony_pic_get_fanspeed(&val8)) {
4220 ret = -EIO;
4221 break;
4222 }
4223 if (copy_to_user(argp, &val8, sizeof(val8)))
4224 ret = -EFAULT;
4225 break;
4226 case SONYPI_IOCSFAN:
4227 if (copy_from_user(&val8, argp, sizeof(val8))) {
4228 ret = -EFAULT;
4229 break;
4230 }
4231 if (sony_pic_set_fanspeed(val8))
4232 ret = -EIO;
4233 break;
4234 /* GET Temperature (useful under APM) */
4235 case SONYPI_IOCGTEMP:
4236 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4237 ret = -EIO;
4238 break;
4239 }
4240 if (copy_to_user(argp, &val8, sizeof(val8)))
4241 ret = -EFAULT;
4242 break;
4243 default:
4244 ret = -EINVAL;
4245 }
4246 mutex_unlock(&spic_dev.lock);
4247 return ret;
4248}
4249
4250static const struct file_operations sonypi_misc_fops = {
4251 .owner = THIS_MODULE,
4252 .read = sonypi_misc_read,
4253 .poll = sonypi_misc_poll,
4254 .open = sonypi_misc_open,
4255 .release = sonypi_misc_release,
4256 .fasync = sonypi_misc_fasync,
4257 .unlocked_ioctl = sonypi_misc_ioctl,
4258 .llseek = noop_llseek,
4259};
4260
4261static struct miscdevice sonypi_misc_device = {
4262 .minor = MISC_DYNAMIC_MINOR,
4263 .name = "sonypi",
4264 .fops = &sonypi_misc_fops,
4265};
4266
4267static void sonypi_compat_report_event(u8 event)
4268{
4269 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4270 sizeof(event), &sonypi_compat.fifo_lock);
4271 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4272 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4273}
4274
4275static int sonypi_compat_init(void)
4276{
4277 int error;
4278
4279 spin_lock_init(&sonypi_compat.fifo_lock);
4280 error =
4281 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4282 if (error) {
4283 pr_err("kfifo_alloc failed\n");
4284 return error;
4285 }
4286
4287 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4288
4289 if (minor != -1)
4290 sonypi_misc_device.minor = minor;
4291 error = misc_register(&sonypi_misc_device);
4292 if (error) {
4293 pr_err("misc_register failed\n");
4294 goto err_free_kfifo;
4295 }
4296 if (minor == -1)
4297 pr_info("device allocated minor is %d\n",
4298 sonypi_misc_device.minor);
4299
4300 return 0;
4301
4302err_free_kfifo:
4303 kfifo_free(&sonypi_compat.fifo);
4304 return error;
4305}
4306
4307static void sonypi_compat_exit(void)
4308{
4309 misc_deregister(&sonypi_misc_device);
4310 kfifo_free(&sonypi_compat.fifo);
4311}
4312#else
4313static int sonypi_compat_init(void) { return 0; }
4314static void sonypi_compat_exit(void) { }
4315static void sonypi_compat_report_event(u8 event) { }
4316#endif /* CONFIG_SONYPI_COMPAT */
4317
4318/*
4319 * ACPI callbacks
4320 */
4321static acpi_status
4322sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4323{
4324 u32 i;
4325 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4326
4327 switch (resource->type) {
4328 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4329 {
4330 /* start IO enumeration */
4331 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4332 if (!ioport)
4333 return AE_ERROR;
4334
4335 list_add(&ioport->list, &dev->ioports);
4336 return AE_OK;
4337 }
4338
4339 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4340 /* end IO enumeration */
4341 return AE_OK;
4342
4343 case ACPI_RESOURCE_TYPE_IRQ:
4344 {
4345 struct acpi_resource_irq *p = &resource->data.irq;
4346 struct sony_pic_irq *interrupt = NULL;
4347 if (!p->interrupt_count) {
4348 /*
4349 * IRQ descriptors may have no IRQ# bits set,
4350 * particularly those those w/ _STA disabled
4351 */
4352 dprintk("Blank IRQ resource\n");
4353 return AE_OK;
4354 }
4355 for (i = 0; i < p->interrupt_count; i++) {
4356 if (!p->interrupts[i]) {
4357 pr_warn("Invalid IRQ %d\n",
4358 p->interrupts[i]);
4359 continue;
4360 }
4361 interrupt = kzalloc(sizeof(*interrupt),
4362 GFP_KERNEL);
4363 if (!interrupt)
4364 return AE_ERROR;
4365
4366 list_add(&interrupt->list, &dev->interrupts);
4367 interrupt->irq.triggering = p->triggering;
4368 interrupt->irq.polarity = p->polarity;
4369 interrupt->irq.shareable = p->shareable;
4370 interrupt->irq.interrupt_count = 1;
4371 interrupt->irq.interrupts[0] = p->interrupts[i];
4372 }
4373 return AE_OK;
4374 }
4375 case ACPI_RESOURCE_TYPE_IO:
4376 {
4377 struct acpi_resource_io *io = &resource->data.io;
4378 struct sony_pic_ioport *ioport =
4379 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
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 {
4391 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4392 return AE_ERROR;
4393 }
4394 return AE_OK;
4395 }
4396
4397 case ACPI_RESOURCE_TYPE_END_TAG:
4398 return AE_OK;
4399
4400 default:
4401 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4402 resource->type);
4403 return AE_CTRL_TERMINATE;
4404
4405 }
4406}
4407
4408static int sony_pic_possible_resources(struct acpi_device *device)
4409{
4410 int result = 0;
4411 acpi_status status = AE_OK;
4412
4413 if (!device)
4414 return -EINVAL;
4415
4416 /* get device status */
4417 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4418 dprintk("Evaluating _STA\n");
4419 result = acpi_bus_get_status(device);
4420 if (result) {
4421 pr_warn("Unable to read status\n");
4422 goto end;
4423 }
4424
4425 if (!device->status.enabled)
4426 dprintk("Device disabled\n");
4427 else
4428 dprintk("Device enabled\n");
4429
4430 /*
4431 * Query and parse 'method'
4432 */
4433 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4434 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4435 sony_pic_read_possible_resource, &spic_dev);
4436 if (ACPI_FAILURE(status)) {
4437 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4438 result = -ENODEV;
4439 }
4440end:
4441 return result;
4442}
4443
4444/*
4445 * Disable the spic device by calling its _DIS method
4446 */
4447static int sony_pic_disable(struct acpi_device *device)
4448{
4449 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4450 NULL);
4451
4452 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4453 return -ENXIO;
4454
4455 dprintk("Device disabled\n");
4456 return 0;
4457}
4458
4459
4460/*
4461 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4462 *
4463 * Call _SRS to set current resources
4464 */
4465static int sony_pic_enable(struct acpi_device *device,
4466 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4467{
4468 acpi_status status;
4469 int result = 0;
4470 /* Type 1 resource layout is:
4471 * IO
4472 * IO
4473 * IRQNoFlags
4474 * End
4475 *
4476 * Type 2 and 3 resource layout is:
4477 * IO
4478 * IRQNoFlags
4479 * End
4480 */
4481 struct {
4482 struct acpi_resource res1;
4483 struct acpi_resource res2;
4484 struct acpi_resource res3;
4485 struct acpi_resource res4;
4486 } *resource;
4487 struct acpi_buffer buffer = { 0, NULL };
4488
4489 if (!ioport || !irq)
4490 return -EINVAL;
4491
4492 /* init acpi_buffer */
4493 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4494 if (!resource)
4495 return -ENOMEM;
4496
4497 buffer.length = sizeof(*resource) + 1;
4498 buffer.pointer = resource;
4499
4500 /* setup Type 1 resources */
4501 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4502
4503 /* setup io resources */
4504 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4505 resource->res1.length = sizeof(struct acpi_resource);
4506 memcpy(&resource->res1.data.io, &ioport->io1,
4507 sizeof(struct acpi_resource_io));
4508
4509 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4510 resource->res2.length = sizeof(struct acpi_resource);
4511 memcpy(&resource->res2.data.io, &ioport->io2,
4512 sizeof(struct acpi_resource_io));
4513
4514 /* setup irq resource */
4515 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4516 resource->res3.length = sizeof(struct acpi_resource);
4517 memcpy(&resource->res3.data.irq, &irq->irq,
4518 sizeof(struct acpi_resource_irq));
4519 /* we requested a shared irq */
4520 resource->res3.data.irq.shareable = ACPI_SHARED;
4521
4522 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4523 resource->res4.length = sizeof(struct acpi_resource);
4524 }
4525 /* setup Type 2/3 resources */
4526 else {
4527 /* setup io resource */
4528 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4529 resource->res1.length = sizeof(struct acpi_resource);
4530 memcpy(&resource->res1.data.io, &ioport->io1,
4531 sizeof(struct acpi_resource_io));
4532
4533 /* setup irq resource */
4534 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4535 resource->res2.length = sizeof(struct acpi_resource);
4536 memcpy(&resource->res2.data.irq, &irq->irq,
4537 sizeof(struct acpi_resource_irq));
4538 /* we requested a shared irq */
4539 resource->res2.data.irq.shareable = ACPI_SHARED;
4540
4541 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4542 resource->res3.length = sizeof(struct acpi_resource);
4543 }
4544
4545 /* Attempt to set the resource */
4546 dprintk("Evaluating _SRS\n");
4547 status = acpi_set_current_resources(device->handle, &buffer);
4548
4549 /* check for total failure */
4550 if (ACPI_FAILURE(status)) {
4551 pr_err("Error evaluating _SRS\n");
4552 result = -ENODEV;
4553 goto end;
4554 }
4555
4556 /* Necessary device initializations calls (from sonypi) */
4557 sony_pic_call1(0x82);
4558 sony_pic_call2(0x81, 0xff);
4559 sony_pic_call1(compat ? 0x92 : 0x82);
4560
4561end:
4562 kfree(resource);
4563 return result;
4564}
4565
4566/*****************
4567 *
4568 * ISR: some event is available
4569 *
4570 *****************/
4571static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4572{
4573 int i, j;
4574 u8 ev = 0;
4575 u8 data_mask = 0;
4576 u8 device_event = 0;
4577
4578 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4579
4580 ev = inb_p(dev->cur_ioport->io1.minimum);
4581 if (dev->cur_ioport->io2.minimum)
4582 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4583 else
4584 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4585 dev->evport_offset);
4586
4587 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4588 ev, data_mask, dev->cur_ioport->io1.minimum,
4589 dev->evport_offset);
4590
4591 if (ev == 0x00 || ev == 0xff)
4592 return IRQ_HANDLED;
4593
4594 for (i = 0; dev->event_types[i].mask; i++) {
4595
4596 if ((data_mask & dev->event_types[i].data) !=
4597 dev->event_types[i].data)
4598 continue;
4599
4600 if (!(mask & dev->event_types[i].mask))
4601 continue;
4602
4603 for (j = 0; dev->event_types[i].events[j].event; j++) {
4604 if (ev == dev->event_types[i].events[j].data) {
4605 device_event =
4606 dev->event_types[i].events[j].event;
4607 /* some events may require ignoring */
4608 if (!device_event)
4609 return IRQ_HANDLED;
4610 goto found;
4611 }
4612 }
4613 }
4614 /* Still not able to decode the event try to pass
4615 * it over to the minidriver
4616 */
4617 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4618 return IRQ_HANDLED;
4619
4620 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4621 ev, data_mask, dev->cur_ioport->io1.minimum,
4622 dev->evport_offset);
4623 return IRQ_HANDLED;
4624
4625found:
4626 sony_laptop_report_input_event(device_event);
4627 sonypi_compat_report_event(device_event);
4628 return IRQ_HANDLED;
4629}
4630
4631/*****************
4632 *
4633 * ACPI driver
4634 *
4635 *****************/
4636static void sony_pic_remove(struct acpi_device *device)
4637{
4638 struct sony_pic_ioport *io, *tmp_io;
4639 struct sony_pic_irq *irq, *tmp_irq;
4640
4641 if (sony_pic_disable(device)) {
4642 pr_err("Couldn't disable device\n");
4643 return;
4644 }
4645
4646 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4647 release_region(spic_dev.cur_ioport->io1.minimum,
4648 spic_dev.cur_ioport->io1.address_length);
4649 if (spic_dev.cur_ioport->io2.minimum)
4650 release_region(spic_dev.cur_ioport->io2.minimum,
4651 spic_dev.cur_ioport->io2.address_length);
4652
4653 sonypi_compat_exit();
4654
4655 sony_laptop_remove_input();
4656
4657 /* pf attrs */
4658 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4659 sony_pf_remove();
4660
4661 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4662 list_del(&io->list);
4663 kfree(io);
4664 }
4665 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4666 list_del(&irq->list);
4667 kfree(irq);
4668 }
4669 spic_dev.cur_ioport = NULL;
4670 spic_dev.cur_irq = NULL;
4671
4672 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4673}
4674
4675static int sony_pic_add(struct acpi_device *device)
4676{
4677 int result;
4678 struct sony_pic_ioport *io, *tmp_io;
4679 struct sony_pic_irq *irq, *tmp_irq;
4680
4681 spic_dev.acpi_dev = device;
4682 strcpy(acpi_device_class(device), "sony/hotkey");
4683 sony_pic_detect_device_type(&spic_dev);
4684 mutex_init(&spic_dev.lock);
4685
4686 /* read _PRS resources */
4687 result = sony_pic_possible_resources(device);
4688 if (result) {
4689 pr_err("Unable to read possible resources\n");
4690 goto err_free_resources;
4691 }
4692
4693 /* setup input devices and helper fifo */
4694 result = sony_laptop_setup_input(device);
4695 if (result) {
4696 pr_err("Unable to create input devices\n");
4697 goto err_free_resources;
4698 }
4699
4700 result = sonypi_compat_init();
4701 if (result)
4702 goto err_remove_input;
4703
4704 /* request io port */
4705 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4706 if (request_region(io->io1.minimum, io->io1.address_length,
4707 "Sony Programmable I/O Device")) {
4708 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4709 io->io1.minimum, io->io1.maximum,
4710 io->io1.address_length);
4711 /* Type 1 have 2 ioports */
4712 if (io->io2.minimum) {
4713 if (request_region(io->io2.minimum,
4714 io->io2.address_length,
4715 "Sony Programmable I/O Device")) {
4716 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4717 io->io2.minimum, io->io2.maximum,
4718 io->io2.address_length);
4719 spic_dev.cur_ioport = io;
4720 break;
4721 }
4722 else {
4723 dprintk("Unable to get I/O port2: "
4724 "0x%.4x (0x%.4x) + 0x%.2x\n",
4725 io->io2.minimum, io->io2.maximum,
4726 io->io2.address_length);
4727 release_region(io->io1.minimum,
4728 io->io1.address_length);
4729 }
4730 }
4731 else {
4732 spic_dev.cur_ioport = io;
4733 break;
4734 }
4735 }
4736 }
4737 if (!spic_dev.cur_ioport) {
4738 pr_err("Failed to request_region\n");
4739 result = -ENODEV;
4740 goto err_remove_compat;
4741 }
4742
4743 /* request IRQ */
4744 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4745 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4746 0, "sony-laptop", &spic_dev)) {
4747 dprintk("IRQ: %d - triggering: %d - "
4748 "polarity: %d - shr: %d\n",
4749 irq->irq.interrupts[0],
4750 irq->irq.triggering,
4751 irq->irq.polarity,
4752 irq->irq.shareable);
4753 spic_dev.cur_irq = irq;
4754 break;
4755 }
4756 }
4757 if (!spic_dev.cur_irq) {
4758 pr_err("Failed to request_irq\n");
4759 result = -ENODEV;
4760 goto err_release_region;
4761 }
4762
4763 /* set resource status _SRS */
4764 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4765 if (result) {
4766 pr_err("Couldn't enable device\n");
4767 goto err_free_irq;
4768 }
4769
4770 spic_dev.bluetooth_power = -1;
4771 /* create device attributes */
4772 result = sony_pf_add();
4773 if (result)
4774 goto err_disable_device;
4775
4776 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4777 if (result)
4778 goto err_remove_pf;
4779
4780 pr_info("SPIC setup done.\n");
4781 return 0;
4782
4783err_remove_pf:
4784 sony_pf_remove();
4785
4786err_disable_device:
4787 sony_pic_disable(device);
4788
4789err_free_irq:
4790 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4791
4792err_release_region:
4793 release_region(spic_dev.cur_ioport->io1.minimum,
4794 spic_dev.cur_ioport->io1.address_length);
4795 if (spic_dev.cur_ioport->io2.minimum)
4796 release_region(spic_dev.cur_ioport->io2.minimum,
4797 spic_dev.cur_ioport->io2.address_length);
4798
4799err_remove_compat:
4800 sonypi_compat_exit();
4801
4802err_remove_input:
4803 sony_laptop_remove_input();
4804
4805err_free_resources:
4806 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4807 list_del(&io->list);
4808 kfree(io);
4809 }
4810 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4811 list_del(&irq->list);
4812 kfree(irq);
4813 }
4814 spic_dev.cur_ioport = NULL;
4815 spic_dev.cur_irq = NULL;
4816
4817 return result;
4818}
4819
4820#ifdef CONFIG_PM_SLEEP
4821static int sony_pic_suspend(struct device *dev)
4822{
4823 if (sony_pic_disable(to_acpi_device(dev)))
4824 return -ENXIO;
4825 return 0;
4826}
4827
4828static int sony_pic_resume(struct device *dev)
4829{
4830 sony_pic_enable(to_acpi_device(dev),
4831 spic_dev.cur_ioport, spic_dev.cur_irq);
4832 return 0;
4833}
4834#endif
4835
4836static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4837
4838static const struct acpi_device_id sony_pic_device_ids[] = {
4839 {SONY_PIC_HID, 0},
4840 {"", 0},
4841};
4842
4843static struct acpi_driver sony_pic_driver = {
4844 .name = SONY_PIC_DRIVER_NAME,
4845 .class = SONY_PIC_CLASS,
4846 .ids = sony_pic_device_ids,
4847 .owner = THIS_MODULE,
4848 .ops = {
4849 .add = sony_pic_add,
4850 .remove = sony_pic_remove,
4851 },
4852 .drv.pm = &sony_pic_pm,
4853};
4854
4855static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
4856 {
4857 .ident = "Sony Vaio",
4858 .matches = {
4859 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4860 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4861 },
4862 },
4863 {
4864 .ident = "Sony Vaio",
4865 .matches = {
4866 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4867 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4868 },
4869 },
4870 { }
4871};
4872
4873static int __init sony_laptop_init(void)
4874{
4875 int result;
4876
4877 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4878 result = acpi_bus_register_driver(&sony_pic_driver);
4879 if (result) {
4880 pr_err("Unable to register SPIC driver\n");
4881 goto out;
4882 }
4883 spic_drv_registered = 1;
4884 }
4885
4886 result = acpi_bus_register_driver(&sony_nc_driver);
4887 if (result) {
4888 pr_err("Unable to register SNC driver\n");
4889 goto out_unregister_pic;
4890 }
4891
4892 return 0;
4893
4894out_unregister_pic:
4895 if (spic_drv_registered)
4896 acpi_bus_unregister_driver(&sony_pic_driver);
4897out:
4898 return result;
4899}
4900
4901static void __exit sony_laptop_exit(void)
4902{
4903 acpi_bus_unregister_driver(&sony_nc_driver);
4904 if (spic_drv_registered)
4905 acpi_bus_unregister_driver(&sony_pic_driver);
4906}
4907
4908module_init(sony_laptop_init);
4909module_exit(sony_laptop_exit);
1/*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
46
47#include <linux/kernel.h>
48#include <linux/module.h>
49#include <linux/moduleparam.h>
50#include <linux/init.h>
51#include <linux/types.h>
52#include <linux/backlight.h>
53#include <linux/platform_device.h>
54#include <linux/err.h>
55#include <linux/dmi.h>
56#include <linux/pci.h>
57#include <linux/interrupt.h>
58#include <linux/delay.h>
59#include <linux/input.h>
60#include <linux/kfifo.h>
61#include <linux/workqueue.h>
62#include <linux/acpi.h>
63#include <linux/slab.h>
64#include <linux/sonypi.h>
65#include <linux/sony-laptop.h>
66#include <linux/rfkill.h>
67#ifdef CONFIG_SONYPI_COMPAT
68#include <linux/poll.h>
69#include <linux/miscdevice.h>
70#endif
71#include <linux/uaccess.h>
72#include <acpi/video.h>
73
74#define dprintk(fmt, ...) \
75do { \
76 if (debug) \
77 pr_warn(fmt, ##__VA_ARGS__); \
78} while (0)
79
80#define SONY_NC_CLASS "sony-nc"
81#define SONY_NC_HID "SNY5001"
82#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
83
84#define SONY_PIC_CLASS "sony-pic"
85#define SONY_PIC_HID "SNY6001"
86#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
87
88MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
89MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
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 "
95 "the development of this driver");
96
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,
105 "set this if you want to enable backward compatibility mode");
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
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
118#ifdef CONFIG_SONYPI_COMPAT
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
126static int kbd_backlight = -1;
127module_param(kbd_backlight, int, 0444);
128MODULE_PARM_DESC(kbd_backlight,
129 "set this to 0 to disable keyboard backlight, "
130 "1 to enable it with automatic control and 2 to have it always "
131 "on (default: no change from current value)");
132
133static int kbd_backlight_timeout = -1;
134module_param(kbd_backlight_timeout, int, 0444);
135MODULE_PARM_DESC(kbd_backlight_timeout,
136 "meaningful values vary from 0 to 3 and their meaning depends "
137 "on the model (default: no change from current value)");
138
139#ifdef CONFIG_PM_SLEEP
140static void sony_nc_thermal_resume(void);
141#endif
142static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
143 unsigned int handle);
144static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
145 unsigned int handle);
146
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
151static int sony_nc_thermal_setup(struct platform_device *pd);
152static void sony_nc_thermal_cleanup(struct platform_device *pd);
153
154static int sony_nc_lid_resume_setup(struct platform_device *pd,
155 unsigned int handle);
156static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
157
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
163static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
164static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
165
166static int sony_nc_lowbatt_setup(struct platform_device *pd);
167static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
168
169static int sony_nc_fanspeed_setup(struct platform_device *pd);
170static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
171
172static int sony_nc_usb_charge_setup(struct platform_device *pd);
173static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
174
175static int sony_nc_panelid_setup(struct platform_device *pd);
176static void sony_nc_panelid_cleanup(struct platform_device *pd);
177
178static int sony_nc_smart_conn_setup(struct platform_device *pd);
179static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
180
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
185enum sony_nc_rfkill {
186 SONY_WIFI,
187 SONY_BLUETOOTH,
188 SONY_WWAN,
189 SONY_WIMAX,
190 N_SONY_RFKILL,
191};
192
193static int sony_rfkill_handle;
194static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
195static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
196static int sony_nc_rfkill_setup(struct acpi_device *device,
197 unsigned int handle);
198static void sony_nc_rfkill_cleanup(void);
199static void sony_nc_rfkill_update(void);
200
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;
208 struct kfifo fifo;
209 spinlock_t fifo_lock;
210 struct timer_list release_key_timer;
211};
212
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
222/* Correspondance table between sonypi events
223 * and input layer indexes in the keymap
224 */
225static const int sony_laptop_input_index[] = {
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 */
290 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
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 */
295 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
296 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
297 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
298 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
299 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
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 */
320 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
321 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
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 */
352 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
353 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
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 */
359 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
360 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
361 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
362 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
363};
364
365/* release buttons after a short delay if pressed */
366static void do_sony_laptop_release_key(struct timer_list *unused)
367{
368 struct sony_laptop_keypress kp;
369 unsigned long flags;
370
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)) {
375 input_report_key(kp.dev, kp.key, 0);
376 input_sync(kp.dev);
377 }
378
379 /* If there is something in the fifo schedule next release. */
380 if (kfifo_len(&sony_laptop_input.fifo) != 0)
381 mod_timer(&sony_laptop_input.release_key_timer,
382 jiffies + msecs_to_jiffies(10));
383
384 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
385}
386
387/* forward event to the input subsystem */
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 };
393 int scancode = -1;
394
395 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
396 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
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:
423 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
424 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
425 break;
426 }
427 if ((scancode = sony_laptop_input_index[event]) != -1) {
428 kp.key = sony_laptop_input_keycode_map[scancode];
429 if (kp.key != KEY_UNKNOWN)
430 kp.dev = key_dev;
431 }
432 break;
433 }
434
435 if (kp.dev) {
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);
440 input_report_key(kp.dev, kp.key, 1);
441 input_sync(kp.dev);
442
443 /* schedule key release */
444 kfifo_in_locked(&sony_laptop_input.fifo,
445 (unsigned char *)&kp, sizeof(kp),
446 &sony_laptop_input.fifo_lock);
447 mod_timer(&sony_laptop_input.release_key_timer,
448 jiffies + msecs_to_jiffies(10));
449 } else
450 dprintk("unknown input event %.2x\n", event);
451}
452
453static int sony_laptop_setup_input(struct acpi_device *acpi_device)
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);
466 error = kfifo_alloc(&sony_laptop_input.fifo,
467 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
468 if (error) {
469 pr_err("kfifo_alloc failed\n");
470 goto err_dec_users;
471 }
472
473 timer_setup(&sony_laptop_input.release_key_timer,
474 do_sony_laptop_release_key, 0);
475
476 /* input keys */
477 key_dev = input_allocate_device();
478 if (!key_dev) {
479 error = -ENOMEM;
480 goto err_free_kfifo;
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;
486 key_dev->dev.parent = &acpi_device->dev;
487
488 /* Initialize the Input Drivers: special keys */
489 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
490
491 __set_bit(EV_KEY, key_dev->evbit);
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;
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);
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;
515 jog_dev->dev.parent = &acpi_device->dev;
516
517 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
518 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
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
539err_free_kfifo:
540 kfifo_free(&sony_laptop_input.fifo);
541
542err_dec_users:
543 atomic_dec(&sony_laptop_input.users);
544 return error;
545}
546
547static void sony_laptop_remove_input(void)
548{
549 struct sony_laptop_keypress kp = { NULL };
550
551 /* Cleanup only after the last user has gone */
552 if (!atomic_dec_and_test(&sony_laptop_input.users))
553 return;
554
555 del_timer_sync(&sony_laptop_input.release_key_timer);
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 }
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
576 kfifo_free(&sony_laptop_input.fifo);
577}
578
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",
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
629 platform_device_unregister(sony_pf_device);
630 platform_driver_unregister(&sony_pf_driver);
631}
632
633/*********** SNC (SNY5001) Device ***********/
634
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
642static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
643 char *);
644static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
645 const char *, size_t);
646static int boolean_validate(const int, const int);
647static int brightness_default_validate(const int, const int);
648
649struct sony_nc_value {
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 */
653 int (*validate)(const int, const int); /* input/output validation */
654 int value; /* current setting */
655 int valid; /* Has ever been set */
656 int debug; /* active only in debug mode ? */
657 struct device_attribute devattr; /* sysfs attribute */
658};
659
660#define SNC_HANDLE_NAMES(_name, _values...) \
661 static char *snc_##_name[] = { _values, NULL }
662
663#define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
664 { \
665 .name = __stringify(_name), \
666 .acpiget = _getters, \
667 .acpiset = _setters, \
668 .validate = _validate, \
669 .debug = _debug, \
670 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
671 }
672
673#define SNC_HANDLE_NULL { .name = NULL }
674
675SNC_HANDLE_NAMES(fnkey_get, "GHKE");
676
677SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
678SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
679
680SNC_HANDLE_NAMES(cdpower_get, "GCDP");
681SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
682
683SNC_HANDLE_NAMES(audiopower_get, "GAZP");
684SNC_HANDLE_NAMES(audiopower_set, "AZPW");
685
686SNC_HANDLE_NAMES(lanpower_get, "GLNP");
687SNC_HANDLE_NAMES(lanpower_set, "LNPW");
688
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
697SNC_HANDLE_NAMES(PID_get, "GPID");
698
699SNC_HANDLE_NAMES(CTR_get, "GCTR");
700SNC_HANDLE_NAMES(CTR_set, "SCTR");
701
702SNC_HANDLE_NAMES(PCR_get, "GPCR");
703SNC_HANDLE_NAMES(PCR_set, "SPCR");
704
705SNC_HANDLE_NAMES(CMI_get, "GCMI");
706SNC_HANDLE_NAMES(CMI_set, "SCMI");
707
708static struct sony_nc_value sony_nc_values[] = {
709 SNC_HANDLE(brightness_default, snc_brightness_def_get,
710 snc_brightness_def_set, brightness_default_validate, 0),
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,
714 boolean_validate, 0),
715 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
716 boolean_validate, 1),
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),
723 /* unknown methods */
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
729};
730
731static acpi_handle sony_nc_acpi_handle;
732static struct acpi_device *sony_nc_acpi_device = NULL;
733
734/*
735 * acpi_evaluate_object wrappers
736 * all useful calls into SNC methods take one or zero parameters and return
737 * integers or arrays.
738 */
739static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
740 u64 *value)
741{
742 union acpi_object *result = NULL;
743 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
744 acpi_status status;
745
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 = ∈
753 status = acpi_evaluate_object(handle, method, ¶ms, &output);
754 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
755 (unsigned int)(*value >> 32),
756 (unsigned int)*value & 0xffffffff);
757 } else {
758 status = acpi_evaluate_object(handle, method, NULL, &output);
759 dprintk("__call_snc_method: [%s]\n", method);
760 }
761
762 if (ACPI_FAILURE(status)) {
763 pr_err("Failed to evaluate [%s]\n", method);
764 return NULL;
765 }
766
767 result = (union acpi_object *) output.pointer;
768 if (!result)
769 dprintk("No return object [%s]\n", method);
770
771 return result;
772}
773
774static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
775 int *result)
776{
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);
783
784 if (!object)
785 return -EINVAL;
786
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;
792 }
793
794 if (result)
795 *result = object->integer.value;
796
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{
805 int ret = 0;
806 size_t len;
807 union acpi_object *object = __call_snc_method(handle, name, value);
808
809 if (!object)
810 return -EINVAL;
811
812 if (object->type == ACPI_TYPE_BUFFER) {
813 len = MIN(buflen, object->buffer.length);
814 memcpy(buffer, object->buffer.pointer, len);
815
816 } else if (object->type == ACPI_TYPE_INTEGER) {
817 len = MIN(buflen, sizeof(object->integer.value));
818 memcpy(buffer, &object->integer.value, len);
819
820 } else {
821 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
822 ACPI_TYPE_BUFFER, object->type);
823 ret = -EINVAL;
824 }
825
826 kfree(object);
827 return ret;
828}
829
830struct sony_nc_handles {
831 u16 cap[0x10];
832 struct device_attribute devattr;
833};
834
835static struct sony_nc_handles *handles;
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)
853{
854 int i, r, result, arg;
855
856 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
857 if (!handles)
858 return -ENOMEM;
859
860 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
861 arg = i + 0x20;
862 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
863 &result);
864 if (!r) {
865 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
866 result, i);
867 handles->cap[i] = result;
868 }
869 }
870
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 }
883 }
884
885 return 0;
886}
887
888static int sony_nc_handles_cleanup(struct platform_device *pd)
889{
890 if (handles) {
891 if (debug)
892 device_remove_file(&pd->dev, &handles->devattr);
893 kfree(handles);
894 handles = NULL;
895 }
896 return 0;
897}
898
899static int sony_find_snc_handle(int handle)
900{
901 int i;
902
903 /* not initialized yet, return early */
904 if (!handles || !handle)
905 return -EINVAL;
906
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 }
914 dprintk("handle 0x%.4x not found\n", handle);
915 return -EINVAL;
916}
917
918static int sony_call_snc_handle(int handle, int argument, int *result)
919{
920 int arg, ret = 0;
921 int offset = sony_find_snc_handle(handle);
922
923 if (offset < 0)
924 return offset;
925
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);
929 return ret;
930}
931
932/*
933 * sony_nc_values input/output validate functions
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
967/*
968 * Sysfs show/store common to all sony_nc_values
969 */
970static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
971 char *buffer)
972{
973 int value, ret = 0;
974 struct sony_nc_value *item =
975 container_of(attr, struct sony_nc_value, devattr);
976
977 if (!*item->acpiget)
978 return -EIO;
979
980 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
981 &value);
982 if (ret < 0)
983 return -EIO;
984
985 if (item->validate)
986 value = item->validate(SNC_VALIDATE_OUT, value);
987
988 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
989}
990
991static ssize_t sony_nc_sysfs_store(struct device *dev,
992 struct device_attribute *attr,
993 const char *buffer, size_t count)
994{
995 int value;
996 int ret = 0;
997 struct sony_nc_value *item =
998 container_of(attr, struct sony_nc_value, devattr);
999
1000 if (!item->acpiset)
1001 return -EIO;
1002
1003 if (count > 31)
1004 return -EINVAL;
1005
1006 if (kstrtoint(buffer, 10, &value))
1007 return -EINVAL;
1008
1009 if (item->validate)
1010 value = item->validate(SNC_VALIDATE_IN, value);
1011
1012 if (value < 0)
1013 return value;
1014
1015 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1016 &value, NULL);
1017 if (ret < 0)
1018 return -EIO;
1019
1020 item->value = value;
1021 item->valid = 1;
1022 return count;
1023}
1024
1025
1026/*
1027 * Backlight device
1028 */
1029struct sony_backlight_props {
1030 struct backlight_device *dev;
1031 int handle;
1032 int cmd_base;
1033 u8 offset;
1034 u8 maxlvl;
1035};
1036static struct sony_backlight_props sony_bl_props;
1037
1038static int sony_backlight_update_status(struct backlight_device *bd)
1039{
1040 int arg = bd->props.brightness + 1;
1041 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1042}
1043
1044static int sony_backlight_get_brightness(struct backlight_device *bd)
1045{
1046 int value;
1047
1048 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1049 return 0;
1050 /* brightness levels are 1-based, while backlight ones are 0-based */
1051 return value - 1;
1052}
1053
1054static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1055{
1056 int result;
1057 struct sony_backlight_props *sdev =
1058 (struct sony_backlight_props *)bl_get_data(bd);
1059
1060 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1061
1062 return (result & 0xff) - sdev->offset;
1063}
1064
1065static int sony_nc_update_status_ng(struct backlight_device *bd)
1066{
1067 int value, result;
1068 struct sony_backlight_props *sdev =
1069 (struct sony_backlight_props *)bl_get_data(bd);
1070
1071 value = bd->props.brightness + sdev->offset;
1072 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1073 &result))
1074 return -EIO;
1075
1076 return value;
1077}
1078
1079static const struct backlight_ops sony_backlight_ops = {
1080 .options = BL_CORE_SUSPENDRESUME,
1081 .update_status = sony_backlight_update_status,
1082 .get_brightness = sony_backlight_get_brightness,
1083};
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};
1089
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
1098static struct sony_nc_event sony_100_events[] = {
1099 { 0x90, SONYPI_EVENT_PKEY_P1 },
1100 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1101 { 0x91, SONYPI_EVENT_PKEY_P2 },
1102 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1103 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1104 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
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 },
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 },
1117 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1118 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1119 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1120 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1121 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1122 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1123 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1124 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1125 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1126 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1127 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1128 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1129 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1130 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1132 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
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 },
1139 { 0xa8, SONYPI_EVENT_FNKEY_1 },
1140 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 { 0, 0 },
1142};
1143
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 },
1157 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1158 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1159 { 0, 0 },
1160};
1161
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
1195/*
1196 * ACPI callbacks
1197 */
1198enum event_types {
1199 HOTKEY = 1,
1200 KILLSWITCH,
1201 GFX_SWITCH
1202};
1203static void sony_nc_notify(struct acpi_device *device, u32 event)
1204{
1205 u32 real_ev = event;
1206 u8 ev_type = 0;
1207 int ret;
1208
1209 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1210
1211 if (event >= 0x90) {
1212 unsigned int result = 0;
1213 unsigned int arg = 0;
1214 unsigned int handle = 0;
1215 unsigned int offset = event - 0x90;
1216
1217 if (offset >= ARRAY_SIZE(handles->cap)) {
1218 pr_err("Event 0x%x outside of capabilities list\n",
1219 event);
1220 return;
1221 }
1222 handle = handles->cap[offset];
1223
1224 /* list of handles known for generating events */
1225 switch (handle) {
1226 /* hotkey event */
1227 case 0x0100:
1228 case 0x0127:
1229 ev_type = HOTKEY;
1230 ret = sony_nc_hotkeys_decode(event, handle);
1231
1232 if (ret > 0) {
1233 sony_laptop_report_input_event(ret);
1234 real_ev = ret;
1235 }
1236
1237 break;
1238
1239 /* wlan switch */
1240 case 0x0124:
1241 case 0x0135:
1242 /* events on this handle are reported when the
1243 * switch changes position or for battery
1244 * events. We'll notify both of them but only
1245 * update the rfkill device status when the
1246 * switch is moved.
1247 */
1248 ev_type = KILLSWITCH;
1249 sony_call_snc_handle(handle, 0x0100, &result);
1250 real_ev = result & 0x03;
1251
1252 /* hw switch event */
1253 if (real_ev == 1)
1254 sony_nc_rfkill_update();
1255
1256 break;
1257
1258 case 0x0128:
1259 case 0x0146:
1260 /* Hybrid GFX switching */
1261 sony_call_snc_handle(handle, 0x0000, &result);
1262 dprintk("GFX switch event received (reason: %s)\n",
1263 (result == 0x1) ? "switch change" :
1264 (result == 0x2) ? "output switch" :
1265 (result == 0x3) ? "output switch" :
1266 "");
1267
1268 ev_type = GFX_SWITCH;
1269 real_ev = __sony_nc_gfx_switch_status_get();
1270 break;
1271
1272 case 0x015B:
1273 /* Hybrid GFX switching SVS151290S */
1274 ev_type = GFX_SWITCH;
1275 real_ev = __sony_nc_gfx_switch_status_get();
1276 break;
1277 default:
1278 dprintk("Unknown event 0x%x for handle 0x%x\n",
1279 event, handle);
1280 break;
1281 }
1282
1283 /* clear the event (and the event reason when present) */
1284 arg = 1 << offset;
1285 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1286
1287 } else {
1288 /* old style event */
1289 ev_type = HOTKEY;
1290 sony_laptop_report_input_event(real_ev);
1291 }
1292 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1293 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1294}
1295
1296static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1297 void *context, void **return_value)
1298{
1299 struct acpi_device_info *info;
1300
1301 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1302 pr_warn("method: name: %4.4s, args %X\n",
1303 (char *)&info->name, info->param_count);
1304
1305 kfree(info);
1306 }
1307
1308 return AE_OK;
1309}
1310
1311/*
1312 * ACPI device
1313 */
1314static void sony_nc_function_setup(struct acpi_device *device,
1315 struct platform_device *pf_device)
1316{
1317 unsigned int i, result, bitmask, arg;
1318
1319 if (!handles)
1320 return;
1321
1322 /* setup found handles here */
1323 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1324 unsigned int handle = handles->cap[i];
1325
1326 if (!handle)
1327 continue;
1328
1329 dprintk("setting up handle 0x%.4x\n", handle);
1330
1331 switch (handle) {
1332 case 0x0100:
1333 case 0x0101:
1334 case 0x0127:
1335 /* setup hotkeys */
1336 sony_call_snc_handle(handle, 0, &result);
1337 break;
1338 case 0x0102:
1339 /* setup hotkeys */
1340 sony_call_snc_handle(handle, 0x100, &result);
1341 break;
1342 case 0x0105:
1343 case 0x0148:
1344 /* touchpad enable/disable */
1345 result = sony_nc_touchpad_setup(pf_device, handle);
1346 if (result)
1347 pr_err("couldn't set up touchpad control function (%d)\n",
1348 result);
1349 break;
1350 case 0x0115:
1351 case 0x0136:
1352 case 0x013f:
1353 result = sony_nc_battery_care_setup(pf_device, handle);
1354 if (result)
1355 pr_err("couldn't set up battery care function (%d)\n",
1356 result);
1357 break;
1358 case 0x0119:
1359 case 0x015D:
1360 result = sony_nc_lid_resume_setup(pf_device, handle);
1361 if (result)
1362 pr_err("couldn't set up lid resume function (%d)\n",
1363 result);
1364 break;
1365 case 0x0122:
1366 result = sony_nc_thermal_setup(pf_device);
1367 if (result)
1368 pr_err("couldn't set up thermal profile function (%d)\n",
1369 result);
1370 break;
1371 case 0x0128:
1372 case 0x0146:
1373 case 0x015B:
1374 result = sony_nc_gfx_switch_setup(pf_device, handle);
1375 if (result)
1376 pr_err("couldn't set up GFX Switch status (%d)\n",
1377 result);
1378 break;
1379 case 0x0131:
1380 result = sony_nc_highspeed_charging_setup(pf_device);
1381 if (result)
1382 pr_err("couldn't set up high speed charging function (%d)\n",
1383 result);
1384 break;
1385 case 0x0124:
1386 case 0x0135:
1387 result = sony_nc_rfkill_setup(device, handle);
1388 if (result)
1389 pr_err("couldn't set up rfkill support (%d)\n",
1390 result);
1391 break;
1392 case 0x0137:
1393 case 0x0143:
1394 case 0x014b:
1395 case 0x014c:
1396 case 0x0153:
1397 case 0x0163:
1398 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1399 if (result)
1400 pr_err("couldn't set up keyboard backlight function (%d)\n",
1401 result);
1402 break;
1403 case 0x0121:
1404 result = sony_nc_lowbatt_setup(pf_device);
1405 if (result)
1406 pr_err("couldn't set up low battery function (%d)\n",
1407 result);
1408 break;
1409 case 0x0149:
1410 result = sony_nc_fanspeed_setup(pf_device);
1411 if (result)
1412 pr_err("couldn't set up fan speed function (%d)\n",
1413 result);
1414 break;
1415 case 0x0155:
1416 result = sony_nc_usb_charge_setup(pf_device);
1417 if (result)
1418 pr_err("couldn't set up USB charge support (%d)\n",
1419 result);
1420 break;
1421 case 0x011D:
1422 result = sony_nc_panelid_setup(pf_device);
1423 if (result)
1424 pr_err("couldn't set up panel ID function (%d)\n",
1425 result);
1426 break;
1427 case 0x0168:
1428 result = sony_nc_smart_conn_setup(pf_device);
1429 if (result)
1430 pr_err("couldn't set up smart connect support (%d)\n",
1431 result);
1432 break;
1433 default:
1434 continue;
1435 }
1436 }
1437
1438 /* Enable all events */
1439 arg = 0x10;
1440 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1441 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1442 &result);
1443}
1444
1445static void sony_nc_function_cleanup(struct platform_device *pd)
1446{
1447 unsigned int i, result, bitmask, handle;
1448
1449 if (!handles)
1450 return;
1451
1452 /* get enabled events and disable them */
1453 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1454 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1455
1456 /* cleanup handles here */
1457 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1458
1459 handle = handles->cap[i];
1460
1461 if (!handle)
1462 continue;
1463
1464 switch (handle) {
1465 case 0x0105:
1466 case 0x0148:
1467 sony_nc_touchpad_cleanup(pd);
1468 break;
1469 case 0x0115:
1470 case 0x0136:
1471 case 0x013f:
1472 sony_nc_battery_care_cleanup(pd);
1473 break;
1474 case 0x0119:
1475 case 0x015D:
1476 sony_nc_lid_resume_cleanup(pd);
1477 break;
1478 case 0x0122:
1479 sony_nc_thermal_cleanup(pd);
1480 break;
1481 case 0x0128:
1482 case 0x0146:
1483 case 0x015B:
1484 sony_nc_gfx_switch_cleanup(pd);
1485 break;
1486 case 0x0131:
1487 sony_nc_highspeed_charging_cleanup(pd);
1488 break;
1489 case 0x0124:
1490 case 0x0135:
1491 sony_nc_rfkill_cleanup();
1492 break;
1493 case 0x0137:
1494 case 0x0143:
1495 case 0x014b:
1496 case 0x014c:
1497 case 0x0153:
1498 case 0x0163:
1499 sony_nc_kbd_backlight_cleanup(pd, handle);
1500 break;
1501 case 0x0121:
1502 sony_nc_lowbatt_cleanup(pd);
1503 break;
1504 case 0x0149:
1505 sony_nc_fanspeed_cleanup(pd);
1506 break;
1507 case 0x0155:
1508 sony_nc_usb_charge_cleanup(pd);
1509 break;
1510 case 0x011D:
1511 sony_nc_panelid_cleanup(pd);
1512 break;
1513 case 0x0168:
1514 sony_nc_smart_conn_cleanup(pd);
1515 break;
1516 default:
1517 continue;
1518 }
1519 }
1520
1521 /* finally cleanup the handles list */
1522 sony_nc_handles_cleanup(pd);
1523}
1524
1525#ifdef CONFIG_PM_SLEEP
1526static void sony_nc_function_resume(void)
1527{
1528 unsigned int i, result, bitmask, arg;
1529
1530 dprintk("Resuming SNC device\n");
1531
1532 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1533 unsigned int handle = handles->cap[i];
1534
1535 if (!handle)
1536 continue;
1537
1538 switch (handle) {
1539 case 0x0100:
1540 case 0x0101:
1541 case 0x0127:
1542 /* re-enable hotkeys */
1543 sony_call_snc_handle(handle, 0, &result);
1544 break;
1545 case 0x0102:
1546 /* re-enable hotkeys */
1547 sony_call_snc_handle(handle, 0x100, &result);
1548 break;
1549 case 0x0122:
1550 sony_nc_thermal_resume();
1551 break;
1552 case 0x0124:
1553 case 0x0135:
1554 sony_nc_rfkill_update();
1555 break;
1556 default:
1557 continue;
1558 }
1559 }
1560
1561 /* Enable all events */
1562 arg = 0x10;
1563 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1564 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1565 &result);
1566}
1567
1568static int sony_nc_resume(struct device *dev)
1569{
1570 struct sony_nc_value *item;
1571
1572 for (item = sony_nc_values; item->name; item++) {
1573 int ret;
1574
1575 if (!item->valid)
1576 continue;
1577 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1578 &item->value, NULL);
1579 if (ret < 0) {
1580 pr_err("%s: %d\n", __func__, ret);
1581 break;
1582 }
1583 }
1584
1585 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1586 int arg = 1;
1587 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1588 dprintk("ECON Method failed\n");
1589 }
1590
1591 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1592 sony_nc_function_resume();
1593
1594 return 0;
1595}
1596#endif
1597
1598static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1599
1600static void sony_nc_rfkill_cleanup(void)
1601{
1602 int i;
1603
1604 for (i = 0; i < N_SONY_RFKILL; i++) {
1605 if (sony_rfkill_devices[i]) {
1606 rfkill_unregister(sony_rfkill_devices[i]);
1607 rfkill_destroy(sony_rfkill_devices[i]);
1608 }
1609 }
1610}
1611
1612static int sony_nc_rfkill_set(void *data, bool blocked)
1613{
1614 int result;
1615 int argument = sony_rfkill_address[(long) data] + 0x100;
1616
1617 if (!blocked)
1618 argument |= 0x070000;
1619
1620 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1621}
1622
1623static const struct rfkill_ops sony_rfkill_ops = {
1624 .set_block = sony_nc_rfkill_set,
1625};
1626
1627static int sony_nc_setup_rfkill(struct acpi_device *device,
1628 enum sony_nc_rfkill nc_type)
1629{
1630 int err;
1631 struct rfkill *rfk;
1632 enum rfkill_type type;
1633 const char *name;
1634 int result;
1635 bool hwblock, swblock;
1636
1637 switch (nc_type) {
1638 case SONY_WIFI:
1639 type = RFKILL_TYPE_WLAN;
1640 name = "sony-wifi";
1641 break;
1642 case SONY_BLUETOOTH:
1643 type = RFKILL_TYPE_BLUETOOTH;
1644 name = "sony-bluetooth";
1645 break;
1646 case SONY_WWAN:
1647 type = RFKILL_TYPE_WWAN;
1648 name = "sony-wwan";
1649 break;
1650 case SONY_WIMAX:
1651 type = RFKILL_TYPE_WIMAX;
1652 name = "sony-wimax";
1653 break;
1654 default:
1655 return -EINVAL;
1656 }
1657
1658 rfk = rfkill_alloc(name, &device->dev, type,
1659 &sony_rfkill_ops, (void *)nc_type);
1660 if (!rfk)
1661 return -ENOMEM;
1662
1663 err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1664 if (err < 0) {
1665 rfkill_destroy(rfk);
1666 return err;
1667 }
1668 hwblock = !(result & 0x1);
1669
1670 err = sony_call_snc_handle(sony_rfkill_handle,
1671 sony_rfkill_address[nc_type],
1672 &result);
1673 if (err < 0) {
1674 rfkill_destroy(rfk);
1675 return err;
1676 }
1677 swblock = !(result & 0x2);
1678
1679 rfkill_init_sw_state(rfk, swblock);
1680 rfkill_set_hw_state(rfk, hwblock);
1681
1682 err = rfkill_register(rfk);
1683 if (err) {
1684 rfkill_destroy(rfk);
1685 return err;
1686 }
1687 sony_rfkill_devices[nc_type] = rfk;
1688 return err;
1689}
1690
1691static void sony_nc_rfkill_update(void)
1692{
1693 enum sony_nc_rfkill i;
1694 int result;
1695 bool hwblock;
1696
1697 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1698 hwblock = !(result & 0x1);
1699
1700 for (i = 0; i < N_SONY_RFKILL; i++) {
1701 int argument = sony_rfkill_address[i];
1702
1703 if (!sony_rfkill_devices[i])
1704 continue;
1705
1706 if (hwblock) {
1707 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1708 /* we already know we're blocked */
1709 }
1710 continue;
1711 }
1712
1713 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1714 rfkill_set_states(sony_rfkill_devices[i],
1715 !(result & 0x2), false);
1716 }
1717}
1718
1719static int sony_nc_rfkill_setup(struct acpi_device *device,
1720 unsigned int handle)
1721{
1722 u64 offset;
1723 int i;
1724 unsigned char buffer[32] = { 0 };
1725
1726 offset = sony_find_snc_handle(handle);
1727 sony_rfkill_handle = handle;
1728
1729 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1730 32);
1731 if (i < 0)
1732 return i;
1733
1734 /* The buffer is filled with magic numbers describing the devices
1735 * available, 0xff terminates the enumeration.
1736 * Known codes:
1737 * 0x00 WLAN
1738 * 0x10 BLUETOOTH
1739 * 0x20 WWAN GPRS-EDGE
1740 * 0x21 WWAN HSDPA
1741 * 0x22 WWAN EV-DO
1742 * 0x23 WWAN GPS
1743 * 0x25 Gobi WWAN no GPS
1744 * 0x26 Gobi WWAN + GPS
1745 * 0x28 Gobi WWAN no GPS
1746 * 0x29 Gobi WWAN + GPS
1747 * 0x30 WIMAX
1748 * 0x50 Gobi WWAN no GPS
1749 * 0x51 Gobi WWAN + GPS
1750 * 0x70 no SIM card slot
1751 * 0x71 SIM card slot
1752 */
1753 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1754
1755 if (buffer[i] == 0xff)
1756 break;
1757
1758 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1759
1760 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1761 sony_nc_setup_rfkill(device, SONY_WIFI);
1762
1763 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1764 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1765
1766 if (((0xf0 & buffer[i]) == 0x20 ||
1767 (0xf0 & buffer[i]) == 0x50) &&
1768 !sony_rfkill_devices[SONY_WWAN])
1769 sony_nc_setup_rfkill(device, SONY_WWAN);
1770
1771 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1772 sony_nc_setup_rfkill(device, SONY_WIMAX);
1773 }
1774 return 0;
1775}
1776
1777/* Keyboard backlight feature */
1778struct kbd_backlight {
1779 unsigned int handle;
1780 unsigned int base;
1781 unsigned int mode;
1782 unsigned int timeout;
1783 unsigned int has_timeout;
1784 struct device_attribute mode_attr;
1785 struct device_attribute timeout_attr;
1786};
1787
1788static struct kbd_backlight *kbdbl_ctl;
1789
1790static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1791{
1792 int result;
1793
1794 if (value > 2)
1795 return -EINVAL;
1796
1797 if (sony_call_snc_handle(kbdbl_ctl->handle,
1798 (value << 0x10) | (kbdbl_ctl->base), &result))
1799 return -EIO;
1800
1801 /* Try to turn the light on/off immediately */
1802 if (value != 1)
1803 sony_call_snc_handle(kbdbl_ctl->handle,
1804 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1805 &result);
1806
1807 kbdbl_ctl->mode = value;
1808
1809 return 0;
1810}
1811
1812static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1813 struct device_attribute *attr,
1814 const char *buffer, size_t count)
1815{
1816 int ret = 0;
1817 unsigned long value;
1818
1819 if (count > 31)
1820 return -EINVAL;
1821
1822 if (kstrtoul(buffer, 10, &value))
1823 return -EINVAL;
1824
1825 ret = __sony_nc_kbd_backlight_mode_set(value);
1826 if (ret < 0)
1827 return ret;
1828
1829 return count;
1830}
1831
1832static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1833 struct device_attribute *attr, char *buffer)
1834{
1835 ssize_t count = 0;
1836 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1837 return count;
1838}
1839
1840static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1841{
1842 int result;
1843
1844 if (value > 3)
1845 return -EINVAL;
1846
1847 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1848 (kbdbl_ctl->base + 0x200), &result))
1849 return -EIO;
1850
1851 kbdbl_ctl->timeout = value;
1852
1853 return 0;
1854}
1855
1856static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1857 struct device_attribute *attr,
1858 const char *buffer, size_t count)
1859{
1860 int ret = 0;
1861 unsigned long value;
1862
1863 if (count > 31)
1864 return -EINVAL;
1865
1866 if (kstrtoul(buffer, 10, &value))
1867 return -EINVAL;
1868
1869 ret = __sony_nc_kbd_backlight_timeout_set(value);
1870 if (ret < 0)
1871 return ret;
1872
1873 return count;
1874}
1875
1876static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1877 struct device_attribute *attr, char *buffer)
1878{
1879 ssize_t count = 0;
1880 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1881 return count;
1882}
1883
1884static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1885 unsigned int handle)
1886{
1887 int result;
1888 int probe_base = 0;
1889 int ctl_base = 0;
1890 int ret = 0;
1891
1892 if (kbdbl_ctl) {
1893 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1894 handle, kbdbl_ctl->handle);
1895 return -EBUSY;
1896 }
1897
1898 /* verify the kbd backlight presence, some of these handles are not used
1899 * for keyboard backlight only
1900 */
1901 switch (handle) {
1902 case 0x0153:
1903 probe_base = 0x0;
1904 ctl_base = 0x0;
1905 break;
1906 case 0x0137:
1907 probe_base = 0x0B00;
1908 ctl_base = 0x0C00;
1909 break;
1910 default:
1911 probe_base = 0x0100;
1912 ctl_base = 0x4000;
1913 break;
1914 }
1915
1916 ret = sony_call_snc_handle(handle, probe_base, &result);
1917 if (ret)
1918 return ret;
1919
1920 if ((handle == 0x0137 && !(result & 0x02)) ||
1921 !(result & 0x01)) {
1922 dprintk("no backlight keyboard found\n");
1923 return 0;
1924 }
1925
1926 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1927 if (!kbdbl_ctl)
1928 return -ENOMEM;
1929
1930 kbdbl_ctl->mode = kbd_backlight;
1931 kbdbl_ctl->timeout = kbd_backlight_timeout;
1932 kbdbl_ctl->handle = handle;
1933 kbdbl_ctl->base = ctl_base;
1934 /* Some models do not allow timeout control */
1935 kbdbl_ctl->has_timeout = handle != 0x0153;
1936
1937 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1938 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1939 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1940 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1941 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1942
1943 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1944 if (ret)
1945 goto outkzalloc;
1946
1947 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1948
1949 if (kbdbl_ctl->has_timeout) {
1950 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1951 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1952 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1953 kbdbl_ctl->timeout_attr.show =
1954 sony_nc_kbd_backlight_timeout_show;
1955 kbdbl_ctl->timeout_attr.store =
1956 sony_nc_kbd_backlight_timeout_store;
1957
1958 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1959 if (ret)
1960 goto outmode;
1961
1962 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1963 }
1964
1965
1966 return 0;
1967
1968outmode:
1969 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1970outkzalloc:
1971 kfree(kbdbl_ctl);
1972 kbdbl_ctl = NULL;
1973 return ret;
1974}
1975
1976static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1977 unsigned int handle)
1978{
1979 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1980 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1981 if (kbdbl_ctl->has_timeout)
1982 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1983 kfree(kbdbl_ctl);
1984 kbdbl_ctl = NULL;
1985 }
1986}
1987
1988struct battery_care_control {
1989 struct device_attribute attrs[2];
1990 unsigned int handle;
1991};
1992static struct battery_care_control *bcare_ctl;
1993
1994static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1995 struct device_attribute *attr,
1996 const char *buffer, size_t count)
1997{
1998 unsigned int result, cmd;
1999 unsigned long value;
2000
2001 if (count > 31)
2002 return -EINVAL;
2003
2004 if (kstrtoul(buffer, 10, &value))
2005 return -EINVAL;
2006
2007 /* limit values (2 bits):
2008 * 00 - none
2009 * 01 - 80%
2010 * 10 - 50%
2011 * 11 - 100%
2012 *
2013 * bit 0: 0 disable BCL, 1 enable BCL
2014 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
2015 * bits 2,3: reserved
2016 * bits 4,5: store the limit into the EC
2017 * bits 6,7: store the limit into the battery
2018 */
2019 cmd = 0;
2020
2021 if (value > 0) {
2022 if (value <= 50)
2023 cmd = 0x20;
2024
2025 else if (value <= 80)
2026 cmd = 0x10;
2027
2028 else if (value <= 100)
2029 cmd = 0x30;
2030
2031 else
2032 return -EINVAL;
2033
2034 /*
2035 * handle 0x0115 should allow storing on battery too;
2036 * handle 0x0136 same as 0x0115 + health status;
2037 * handle 0x013f, same as 0x0136 but no storing on the battery
2038 */
2039 if (bcare_ctl->handle != 0x013f)
2040 cmd = cmd | (cmd << 2);
2041
2042 cmd = (cmd | 0x1) << 0x10;
2043 }
2044
2045 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2046 return -EIO;
2047
2048 return count;
2049}
2050
2051static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2052 struct device_attribute *attr, char *buffer)
2053{
2054 unsigned int result, status;
2055
2056 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2057 return -EIO;
2058
2059 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2060 switch (status) {
2061 case 1:
2062 status = 80;
2063 break;
2064 case 2:
2065 status = 50;
2066 break;
2067 case 3:
2068 status = 100;
2069 break;
2070 default:
2071 status = 0;
2072 break;
2073 }
2074
2075 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2076}
2077
2078static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2079 struct device_attribute *attr, char *buffer)
2080{
2081 ssize_t count = 0;
2082 unsigned int health;
2083
2084 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2085 return -EIO;
2086
2087 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2088
2089 return count;
2090}
2091
2092static int sony_nc_battery_care_setup(struct platform_device *pd,
2093 unsigned int handle)
2094{
2095 int ret = 0;
2096
2097 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2098 if (!bcare_ctl)
2099 return -ENOMEM;
2100
2101 bcare_ctl->handle = handle;
2102
2103 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2104 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2105 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2106 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2107 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2108
2109 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2110 if (ret)
2111 goto outkzalloc;
2112
2113 /* 0x0115 is for models with no health reporting capability */
2114 if (handle == 0x0115)
2115 return 0;
2116
2117 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2118 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2119 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2120 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2121
2122 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2123 if (ret)
2124 goto outlimiter;
2125
2126 return 0;
2127
2128outlimiter:
2129 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2130
2131outkzalloc:
2132 kfree(bcare_ctl);
2133 bcare_ctl = NULL;
2134
2135 return ret;
2136}
2137
2138static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2139{
2140 if (bcare_ctl) {
2141 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2142 if (bcare_ctl->handle != 0x0115)
2143 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2144
2145 kfree(bcare_ctl);
2146 bcare_ctl = NULL;
2147 }
2148}
2149
2150struct snc_thermal_ctrl {
2151 unsigned int mode;
2152 unsigned int profiles;
2153 struct device_attribute mode_attr;
2154 struct device_attribute profiles_attr;
2155};
2156static struct snc_thermal_ctrl *th_handle;
2157
2158#define THM_PROFILE_MAX 3
2159static const char * const snc_thermal_profiles[] = {
2160 "balanced",
2161 "silent",
2162 "performance"
2163};
2164
2165static int sony_nc_thermal_mode_set(unsigned short mode)
2166{
2167 unsigned int result;
2168
2169 /* the thermal profile seems to be a two bit bitmask:
2170 * lsb -> silent
2171 * msb -> performance
2172 * no bit set is the normal operation and is always valid
2173 * Some vaio models only have "balanced" and "performance"
2174 */
2175 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2176 return -EINVAL;
2177
2178 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2179 return -EIO;
2180
2181 th_handle->mode = mode;
2182
2183 return 0;
2184}
2185
2186static int sony_nc_thermal_mode_get(void)
2187{
2188 unsigned int result;
2189
2190 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2191 return -EIO;
2192
2193 return result & 0xff;
2194}
2195
2196static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2197 struct device_attribute *attr, char *buffer)
2198{
2199 short cnt;
2200 size_t idx = 0;
2201
2202 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2203 if (!cnt || (th_handle->profiles & cnt))
2204 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2205 snc_thermal_profiles[cnt]);
2206 }
2207 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2208
2209 return idx;
2210}
2211
2212static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2213 struct device_attribute *attr,
2214 const char *buffer, size_t count)
2215{
2216 unsigned short cmd;
2217 size_t len = count;
2218
2219 if (count == 0)
2220 return -EINVAL;
2221
2222 /* skip the newline if present */
2223 if (buffer[len - 1] == '\n')
2224 len--;
2225
2226 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2227 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2228 break;
2229
2230 if (sony_nc_thermal_mode_set(cmd))
2231 return -EIO;
2232
2233 return count;
2234}
2235
2236static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2237 struct device_attribute *attr, char *buffer)
2238{
2239 ssize_t count = 0;
2240 int mode = sony_nc_thermal_mode_get();
2241
2242 if (mode < 0)
2243 return mode;
2244
2245 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2246
2247 return count;
2248}
2249
2250static int sony_nc_thermal_setup(struct platform_device *pd)
2251{
2252 int ret = 0;
2253 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2254 if (!th_handle)
2255 return -ENOMEM;
2256
2257 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2258 if (ret) {
2259 pr_warn("couldn't to read the thermal profiles\n");
2260 goto outkzalloc;
2261 }
2262
2263 ret = sony_nc_thermal_mode_get();
2264 if (ret < 0) {
2265 pr_warn("couldn't to read the current thermal profile");
2266 goto outkzalloc;
2267 }
2268 th_handle->mode = ret;
2269
2270 sysfs_attr_init(&th_handle->profiles_attr.attr);
2271 th_handle->profiles_attr.attr.name = "thermal_profiles";
2272 th_handle->profiles_attr.attr.mode = S_IRUGO;
2273 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2274
2275 sysfs_attr_init(&th_handle->mode_attr.attr);
2276 th_handle->mode_attr.attr.name = "thermal_control";
2277 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2278 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2279 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2280
2281 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2282 if (ret)
2283 goto outkzalloc;
2284
2285 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2286 if (ret)
2287 goto outprofiles;
2288
2289 return 0;
2290
2291outprofiles:
2292 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2293outkzalloc:
2294 kfree(th_handle);
2295 th_handle = NULL;
2296 return ret;
2297}
2298
2299static void sony_nc_thermal_cleanup(struct platform_device *pd)
2300{
2301 if (th_handle) {
2302 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2303 device_remove_file(&pd->dev, &th_handle->mode_attr);
2304 kfree(th_handle);
2305 th_handle = NULL;
2306 }
2307}
2308
2309#ifdef CONFIG_PM_SLEEP
2310static void sony_nc_thermal_resume(void)
2311{
2312 unsigned int status = sony_nc_thermal_mode_get();
2313
2314 if (status != th_handle->mode)
2315 sony_nc_thermal_mode_set(th_handle->mode);
2316}
2317#endif
2318
2319/* resume on LID open */
2320#define LID_RESUME_S5 0
2321#define LID_RESUME_S4 1
2322#define LID_RESUME_S3 2
2323#define LID_RESUME_MAX 3
2324struct snc_lid_resume_control {
2325 struct device_attribute attrs[LID_RESUME_MAX];
2326 unsigned int status;
2327 int handle;
2328};
2329static struct snc_lid_resume_control *lid_ctl;
2330
2331static ssize_t sony_nc_lid_resume_store(struct device *dev,
2332 struct device_attribute *attr,
2333 const char *buffer, size_t count)
2334{
2335 unsigned int result;
2336 unsigned long value;
2337 unsigned int pos = LID_RESUME_S5;
2338 if (count > 31)
2339 return -EINVAL;
2340
2341 if (kstrtoul(buffer, 10, &value) || value > 1)
2342 return -EINVAL;
2343
2344 /* the value we have to write to SNC is a bitmask:
2345 * +--------------+
2346 * | S3 | S4 | S5 |
2347 * +--------------+
2348 * 2 1 0
2349 */
2350 while (pos < LID_RESUME_MAX) {
2351 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2352 break;
2353 pos++;
2354 }
2355 if (pos == LID_RESUME_MAX)
2356 return -EINVAL;
2357
2358 if (value)
2359 value = lid_ctl->status | (1 << pos);
2360 else
2361 value = lid_ctl->status & ~(1 << pos);
2362
2363 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2364 &result))
2365 return -EIO;
2366
2367 lid_ctl->status = value;
2368
2369 return count;
2370}
2371
2372static ssize_t sony_nc_lid_resume_show(struct device *dev,
2373 struct device_attribute *attr,
2374 char *buffer)
2375{
2376 unsigned int pos = LID_RESUME_S5;
2377
2378 while (pos < LID_RESUME_MAX) {
2379 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2380 return snprintf(buffer, PAGE_SIZE, "%d\n",
2381 (lid_ctl->status >> pos) & 0x01);
2382 pos++;
2383 }
2384 return -EINVAL;
2385}
2386
2387static int sony_nc_lid_resume_setup(struct platform_device *pd,
2388 unsigned int handle)
2389{
2390 unsigned int result;
2391 int i;
2392
2393 if (sony_call_snc_handle(handle, 0x0000, &result))
2394 return -EIO;
2395
2396 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2397 if (!lid_ctl)
2398 return -ENOMEM;
2399
2400 lid_ctl->status = result & 0x7;
2401 lid_ctl->handle = handle;
2402
2403 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2404 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2405 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2406 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2407 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2408
2409 if (handle == 0x0119) {
2410 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2411 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2412 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2413 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2414 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2415
2416 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2417 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2418 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2419 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2420 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2421 }
2422 for (i = 0; i < LID_RESUME_MAX &&
2423 lid_ctl->attrs[i].attr.name; i++) {
2424 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2425 if (result)
2426 goto liderror;
2427 }
2428
2429 return 0;
2430
2431liderror:
2432 for (i--; i >= 0; i--)
2433 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2434
2435 kfree(lid_ctl);
2436 lid_ctl = NULL;
2437
2438 return result;
2439}
2440
2441static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2442{
2443 int i;
2444
2445 if (lid_ctl) {
2446 for (i = 0; i < LID_RESUME_MAX; i++) {
2447 if (!lid_ctl->attrs[i].attr.name)
2448 break;
2449
2450 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2451 }
2452
2453 kfree(lid_ctl);
2454 lid_ctl = NULL;
2455 }
2456}
2457
2458/* GFX Switch position */
2459enum gfx_switch {
2460 SPEED,
2461 STAMINA,
2462 AUTO
2463};
2464struct snc_gfx_switch_control {
2465 struct device_attribute attr;
2466 unsigned int handle;
2467};
2468static struct snc_gfx_switch_control *gfxs_ctl;
2469
2470/* returns 0 for speed, 1 for stamina */
2471static int __sony_nc_gfx_switch_status_get(void)
2472{
2473 unsigned int result;
2474
2475 if (sony_call_snc_handle(gfxs_ctl->handle,
2476 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2477 &result))
2478 return -EIO;
2479
2480 switch (gfxs_ctl->handle) {
2481 case 0x0146:
2482 /* 1: discrete GFX (speed)
2483 * 0: integrated GFX (stamina)
2484 */
2485 return result & 0x1 ? SPEED : STAMINA;
2486 break;
2487 case 0x015B:
2488 /* 0: discrete GFX (speed)
2489 * 1: integrated GFX (stamina)
2490 */
2491 return result & 0x1 ? STAMINA : SPEED;
2492 break;
2493 case 0x0128:
2494 /* it's a more elaborated bitmask, for now:
2495 * 2: integrated GFX (stamina)
2496 * 0: discrete GFX (speed)
2497 */
2498 dprintk("GFX Status: 0x%x\n", result);
2499 return result & 0x80 ? AUTO :
2500 result & 0x02 ? STAMINA : SPEED;
2501 break;
2502 }
2503 return -EINVAL;
2504}
2505
2506static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2507 struct device_attribute *attr,
2508 char *buffer)
2509{
2510 int pos = __sony_nc_gfx_switch_status_get();
2511
2512 if (pos < 0)
2513 return pos;
2514
2515 return snprintf(buffer, PAGE_SIZE, "%s\n",
2516 pos == SPEED ? "speed" :
2517 pos == STAMINA ? "stamina" :
2518 pos == AUTO ? "auto" : "unknown");
2519}
2520
2521static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2522 unsigned int handle)
2523{
2524 unsigned int result;
2525
2526 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2527 if (!gfxs_ctl)
2528 return -ENOMEM;
2529
2530 gfxs_ctl->handle = handle;
2531
2532 sysfs_attr_init(&gfxs_ctl->attr.attr);
2533 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2534 gfxs_ctl->attr.attr.mode = S_IRUGO;
2535 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2536
2537 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2538 if (result)
2539 goto gfxerror;
2540
2541 return 0;
2542
2543gfxerror:
2544 kfree(gfxs_ctl);
2545 gfxs_ctl = NULL;
2546
2547 return result;
2548}
2549
2550static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2551{
2552 if (gfxs_ctl) {
2553 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2554
2555 kfree(gfxs_ctl);
2556 gfxs_ctl = NULL;
2557 }
2558}
2559
2560/* High speed charging function */
2561static struct device_attribute *hsc_handle;
2562
2563static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2564 struct device_attribute *attr,
2565 const char *buffer, size_t count)
2566{
2567 unsigned int result;
2568 unsigned long value;
2569
2570 if (count > 31)
2571 return -EINVAL;
2572
2573 if (kstrtoul(buffer, 10, &value) || value > 1)
2574 return -EINVAL;
2575
2576 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2577 return -EIO;
2578
2579 return count;
2580}
2581
2582static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2583 struct device_attribute *attr, char *buffer)
2584{
2585 unsigned int result;
2586
2587 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2588 return -EIO;
2589
2590 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2591}
2592
2593static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2594{
2595 unsigned int result;
2596
2597 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2598 /* some models advertise the handle but have no implementation
2599 * for it
2600 */
2601 pr_info("No High Speed Charging capability found\n");
2602 return 0;
2603 }
2604
2605 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2606 if (!hsc_handle)
2607 return -ENOMEM;
2608
2609 sysfs_attr_init(&hsc_handle->attr);
2610 hsc_handle->attr.name = "battery_highspeed_charging";
2611 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2612 hsc_handle->show = sony_nc_highspeed_charging_show;
2613 hsc_handle->store = sony_nc_highspeed_charging_store;
2614
2615 result = device_create_file(&pd->dev, hsc_handle);
2616 if (result) {
2617 kfree(hsc_handle);
2618 hsc_handle = NULL;
2619 return result;
2620 }
2621
2622 return 0;
2623}
2624
2625static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2626{
2627 if (hsc_handle) {
2628 device_remove_file(&pd->dev, hsc_handle);
2629 kfree(hsc_handle);
2630 hsc_handle = NULL;
2631 }
2632}
2633
2634/* low battery function */
2635static struct device_attribute *lowbatt_handle;
2636
2637static ssize_t sony_nc_lowbatt_store(struct device *dev,
2638 struct device_attribute *attr,
2639 const char *buffer, size_t count)
2640{
2641 unsigned int result;
2642 unsigned long value;
2643
2644 if (count > 31)
2645 return -EINVAL;
2646
2647 if (kstrtoul(buffer, 10, &value) || value > 1)
2648 return -EINVAL;
2649
2650 if (sony_call_snc_handle(0x0121, value << 8, &result))
2651 return -EIO;
2652
2653 return count;
2654}
2655
2656static ssize_t sony_nc_lowbatt_show(struct device *dev,
2657 struct device_attribute *attr, char *buffer)
2658{
2659 unsigned int result;
2660
2661 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2662 return -EIO;
2663
2664 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2665}
2666
2667static int sony_nc_lowbatt_setup(struct platform_device *pd)
2668{
2669 unsigned int result;
2670
2671 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2672 if (!lowbatt_handle)
2673 return -ENOMEM;
2674
2675 sysfs_attr_init(&lowbatt_handle->attr);
2676 lowbatt_handle->attr.name = "lowbatt_hibernate";
2677 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2678 lowbatt_handle->show = sony_nc_lowbatt_show;
2679 lowbatt_handle->store = sony_nc_lowbatt_store;
2680
2681 result = device_create_file(&pd->dev, lowbatt_handle);
2682 if (result) {
2683 kfree(lowbatt_handle);
2684 lowbatt_handle = NULL;
2685 return result;
2686 }
2687
2688 return 0;
2689}
2690
2691static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2692{
2693 if (lowbatt_handle) {
2694 device_remove_file(&pd->dev, lowbatt_handle);
2695 kfree(lowbatt_handle);
2696 lowbatt_handle = NULL;
2697 }
2698}
2699
2700/* fan speed function */
2701static struct device_attribute *fan_handle, *hsf_handle;
2702
2703static ssize_t sony_nc_hsfan_store(struct device *dev,
2704 struct device_attribute *attr,
2705 const char *buffer, size_t count)
2706{
2707 unsigned int result;
2708 unsigned long value;
2709
2710 if (count > 31)
2711 return -EINVAL;
2712
2713 if (kstrtoul(buffer, 10, &value) || value > 1)
2714 return -EINVAL;
2715
2716 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2717 return -EIO;
2718
2719 return count;
2720}
2721
2722static ssize_t sony_nc_hsfan_show(struct device *dev,
2723 struct device_attribute *attr, char *buffer)
2724{
2725 unsigned int result;
2726
2727 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2728 return -EIO;
2729
2730 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2731}
2732
2733static ssize_t sony_nc_fanspeed_show(struct device *dev,
2734 struct device_attribute *attr, char *buffer)
2735{
2736 unsigned int result;
2737
2738 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2739 return -EIO;
2740
2741 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2742}
2743
2744static int sony_nc_fanspeed_setup(struct platform_device *pd)
2745{
2746 unsigned int result;
2747
2748 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2749 if (!fan_handle)
2750 return -ENOMEM;
2751
2752 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2753 if (!hsf_handle) {
2754 result = -ENOMEM;
2755 goto out_hsf_handle_alloc;
2756 }
2757
2758 sysfs_attr_init(&fan_handle->attr);
2759 fan_handle->attr.name = "fanspeed";
2760 fan_handle->attr.mode = S_IRUGO;
2761 fan_handle->show = sony_nc_fanspeed_show;
2762 fan_handle->store = NULL;
2763
2764 sysfs_attr_init(&hsf_handle->attr);
2765 hsf_handle->attr.name = "fan_forced";
2766 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2767 hsf_handle->show = sony_nc_hsfan_show;
2768 hsf_handle->store = sony_nc_hsfan_store;
2769
2770 result = device_create_file(&pd->dev, fan_handle);
2771 if (result)
2772 goto out_fan_handle;
2773
2774 result = device_create_file(&pd->dev, hsf_handle);
2775 if (result)
2776 goto out_hsf_handle;
2777
2778 return 0;
2779
2780out_hsf_handle:
2781 device_remove_file(&pd->dev, fan_handle);
2782
2783out_fan_handle:
2784 kfree(hsf_handle);
2785 hsf_handle = NULL;
2786
2787out_hsf_handle_alloc:
2788 kfree(fan_handle);
2789 fan_handle = NULL;
2790 return result;
2791}
2792
2793static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2794{
2795 if (fan_handle) {
2796 device_remove_file(&pd->dev, fan_handle);
2797 kfree(fan_handle);
2798 fan_handle = NULL;
2799 }
2800 if (hsf_handle) {
2801 device_remove_file(&pd->dev, hsf_handle);
2802 kfree(hsf_handle);
2803 hsf_handle = NULL;
2804 }
2805}
2806
2807/* USB charge function */
2808static struct device_attribute *uc_handle;
2809
2810static ssize_t sony_nc_usb_charge_store(struct device *dev,
2811 struct device_attribute *attr,
2812 const char *buffer, size_t count)
2813{
2814 unsigned int result;
2815 unsigned long value;
2816
2817 if (count > 31)
2818 return -EINVAL;
2819
2820 if (kstrtoul(buffer, 10, &value) || value > 1)
2821 return -EINVAL;
2822
2823 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2824 return -EIO;
2825
2826 return count;
2827}
2828
2829static ssize_t sony_nc_usb_charge_show(struct device *dev,
2830 struct device_attribute *attr, char *buffer)
2831{
2832 unsigned int result;
2833
2834 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2835 return -EIO;
2836
2837 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2838}
2839
2840static int sony_nc_usb_charge_setup(struct platform_device *pd)
2841{
2842 unsigned int result;
2843
2844 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2845 /* some models advertise the handle but have no implementation
2846 * for it
2847 */
2848 pr_info("No USB Charge capability found\n");
2849 return 0;
2850 }
2851
2852 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2853 if (!uc_handle)
2854 return -ENOMEM;
2855
2856 sysfs_attr_init(&uc_handle->attr);
2857 uc_handle->attr.name = "usb_charge";
2858 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2859 uc_handle->show = sony_nc_usb_charge_show;
2860 uc_handle->store = sony_nc_usb_charge_store;
2861
2862 result = device_create_file(&pd->dev, uc_handle);
2863 if (result) {
2864 kfree(uc_handle);
2865 uc_handle = NULL;
2866 return result;
2867 }
2868
2869 return 0;
2870}
2871
2872static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2873{
2874 if (uc_handle) {
2875 device_remove_file(&pd->dev, uc_handle);
2876 kfree(uc_handle);
2877 uc_handle = NULL;
2878 }
2879}
2880
2881/* Panel ID function */
2882static struct device_attribute *panel_handle;
2883
2884static ssize_t sony_nc_panelid_show(struct device *dev,
2885 struct device_attribute *attr, char *buffer)
2886{
2887 unsigned int result;
2888
2889 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2890 return -EIO;
2891
2892 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2893}
2894
2895static int sony_nc_panelid_setup(struct platform_device *pd)
2896{
2897 unsigned int result;
2898
2899 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2900 if (!panel_handle)
2901 return -ENOMEM;
2902
2903 sysfs_attr_init(&panel_handle->attr);
2904 panel_handle->attr.name = "panel_id";
2905 panel_handle->attr.mode = S_IRUGO;
2906 panel_handle->show = sony_nc_panelid_show;
2907 panel_handle->store = NULL;
2908
2909 result = device_create_file(&pd->dev, panel_handle);
2910 if (result) {
2911 kfree(panel_handle);
2912 panel_handle = NULL;
2913 return result;
2914 }
2915
2916 return 0;
2917}
2918
2919static void sony_nc_panelid_cleanup(struct platform_device *pd)
2920{
2921 if (panel_handle) {
2922 device_remove_file(&pd->dev, panel_handle);
2923 kfree(panel_handle);
2924 panel_handle = NULL;
2925 }
2926}
2927
2928/* smart connect function */
2929static struct device_attribute *sc_handle;
2930
2931static ssize_t sony_nc_smart_conn_store(struct device *dev,
2932 struct device_attribute *attr,
2933 const char *buffer, size_t count)
2934{
2935 unsigned int result;
2936 unsigned long value;
2937
2938 if (count > 31)
2939 return -EINVAL;
2940
2941 if (kstrtoul(buffer, 10, &value) || value > 1)
2942 return -EINVAL;
2943
2944 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2945 return -EIO;
2946
2947 return count;
2948}
2949
2950static int sony_nc_smart_conn_setup(struct platform_device *pd)
2951{
2952 unsigned int result;
2953
2954 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2955 if (!sc_handle)
2956 return -ENOMEM;
2957
2958 sysfs_attr_init(&sc_handle->attr);
2959 sc_handle->attr.name = "smart_connect";
2960 sc_handle->attr.mode = S_IWUSR;
2961 sc_handle->show = NULL;
2962 sc_handle->store = sony_nc_smart_conn_store;
2963
2964 result = device_create_file(&pd->dev, sc_handle);
2965 if (result) {
2966 kfree(sc_handle);
2967 sc_handle = NULL;
2968 return result;
2969 }
2970
2971 return 0;
2972}
2973
2974static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2975{
2976 if (sc_handle) {
2977 device_remove_file(&pd->dev, sc_handle);
2978 kfree(sc_handle);
2979 sc_handle = NULL;
2980 }
2981}
2982
2983/* Touchpad enable/disable */
2984struct touchpad_control {
2985 struct device_attribute attr;
2986 int handle;
2987};
2988static struct touchpad_control *tp_ctl;
2989
2990static ssize_t sony_nc_touchpad_store(struct device *dev,
2991 struct device_attribute *attr, const char *buffer, size_t count)
2992{
2993 unsigned int result;
2994 unsigned long value;
2995
2996 if (count > 31)
2997 return -EINVAL;
2998
2999 if (kstrtoul(buffer, 10, &value) || value > 1)
3000 return -EINVAL;
3001
3002 /* sysfs: 0 disabled, 1 enabled
3003 * EC: 0 enabled, 1 disabled
3004 */
3005 if (sony_call_snc_handle(tp_ctl->handle,
3006 (!value << 0x10) | 0x100, &result))
3007 return -EIO;
3008
3009 return count;
3010}
3011
3012static ssize_t sony_nc_touchpad_show(struct device *dev,
3013 struct device_attribute *attr, char *buffer)
3014{
3015 unsigned int result;
3016
3017 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
3018 return -EINVAL;
3019
3020 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
3021}
3022
3023static int sony_nc_touchpad_setup(struct platform_device *pd,
3024 unsigned int handle)
3025{
3026 int ret = 0;
3027
3028 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
3029 if (!tp_ctl)
3030 return -ENOMEM;
3031
3032 tp_ctl->handle = handle;
3033
3034 sysfs_attr_init(&tp_ctl->attr.attr);
3035 tp_ctl->attr.attr.name = "touchpad";
3036 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3037 tp_ctl->attr.show = sony_nc_touchpad_show;
3038 tp_ctl->attr.store = sony_nc_touchpad_store;
3039
3040 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3041 if (ret) {
3042 kfree(tp_ctl);
3043 tp_ctl = NULL;
3044 }
3045
3046 return ret;
3047}
3048
3049static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3050{
3051 if (tp_ctl) {
3052 device_remove_file(&pd->dev, &tp_ctl->attr);
3053 kfree(tp_ctl);
3054 tp_ctl = NULL;
3055 }
3056}
3057
3058static void sony_nc_backlight_ng_read_limits(int handle,
3059 struct sony_backlight_props *props)
3060{
3061 u64 offset;
3062 int i;
3063 int lvl_table_len = 0;
3064 u8 min = 0xff, max = 0x00;
3065 unsigned char buffer[32] = { 0 };
3066
3067 props->handle = handle;
3068 props->offset = 0;
3069 props->maxlvl = 0xff;
3070
3071 offset = sony_find_snc_handle(handle);
3072
3073 /* try to read the boundaries from ACPI tables, if we fail the above
3074 * defaults should be reasonable
3075 */
3076 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3077 32);
3078 if (i < 0)
3079 return;
3080
3081 switch (handle) {
3082 case 0x012f:
3083 case 0x0137:
3084 lvl_table_len = 9;
3085 break;
3086 case 0x143:
3087 case 0x14b:
3088 case 0x14c:
3089 lvl_table_len = 16;
3090 break;
3091 }
3092
3093 /* the buffer lists brightness levels available, brightness levels are
3094 * from position 0 to 8 in the array, other values are used by ALS
3095 * control.
3096 */
3097 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3098
3099 dprintk("Brightness level: %d\n", buffer[i]);
3100
3101 if (!buffer[i])
3102 break;
3103
3104 if (buffer[i] > max)
3105 max = buffer[i];
3106 if (buffer[i] < min)
3107 min = buffer[i];
3108 }
3109 props->offset = min;
3110 props->maxlvl = max;
3111 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3112 props->maxlvl);
3113}
3114
3115static void sony_nc_backlight_setup(void)
3116{
3117 int max_brightness = 0;
3118 const struct backlight_ops *ops = NULL;
3119 struct backlight_properties props;
3120
3121 if (sony_find_snc_handle(0x12f) >= 0) {
3122 ops = &sony_backlight_ng_ops;
3123 sony_bl_props.cmd_base = 0x0100;
3124 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3125 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3126
3127 } else if (sony_find_snc_handle(0x137) >= 0) {
3128 ops = &sony_backlight_ng_ops;
3129 sony_bl_props.cmd_base = 0x0100;
3130 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3131 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3132
3133 } else if (sony_find_snc_handle(0x143) >= 0) {
3134 ops = &sony_backlight_ng_ops;
3135 sony_bl_props.cmd_base = 0x3000;
3136 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3137 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3138
3139 } else if (sony_find_snc_handle(0x14b) >= 0) {
3140 ops = &sony_backlight_ng_ops;
3141 sony_bl_props.cmd_base = 0x3000;
3142 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3143 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3144
3145 } else if (sony_find_snc_handle(0x14c) >= 0) {
3146 ops = &sony_backlight_ng_ops;
3147 sony_bl_props.cmd_base = 0x3000;
3148 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3149 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3150
3151 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3152 ops = &sony_backlight_ops;
3153 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3154
3155 } else
3156 return;
3157
3158 memset(&props, 0, sizeof(struct backlight_properties));
3159 props.type = BACKLIGHT_PLATFORM;
3160 props.max_brightness = max_brightness;
3161 sony_bl_props.dev = backlight_device_register("sony", NULL,
3162 &sony_bl_props,
3163 ops, &props);
3164
3165 if (IS_ERR(sony_bl_props.dev)) {
3166 pr_warn("unable to register backlight device\n");
3167 sony_bl_props.dev = NULL;
3168 } else
3169 sony_bl_props.dev->props.brightness =
3170 ops->get_brightness(sony_bl_props.dev);
3171}
3172
3173static void sony_nc_backlight_cleanup(void)
3174{
3175 backlight_device_unregister(sony_bl_props.dev);
3176}
3177
3178static int sony_nc_add(struct acpi_device *device)
3179{
3180 acpi_status status;
3181 int result = 0;
3182 struct sony_nc_value *item;
3183
3184 sony_nc_acpi_device = device;
3185 strcpy(acpi_device_class(device), "sony/hotkey");
3186
3187 sony_nc_acpi_handle = device->handle;
3188
3189 /* read device status */
3190 result = acpi_bus_get_status(device);
3191 /* bail IFF the above call was successful and the device is not present */
3192 if (!result && !device->status.present) {
3193 dprintk("Device not present\n");
3194 result = -ENODEV;
3195 goto outwalk;
3196 }
3197
3198 result = sony_pf_add();
3199 if (result)
3200 goto outpresent;
3201
3202 if (debug) {
3203 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3204 sony_nc_acpi_handle, 1, sony_walk_callback,
3205 NULL, NULL, NULL);
3206 if (ACPI_FAILURE(status)) {
3207 pr_warn("unable to walk acpi resources\n");
3208 result = -ENODEV;
3209 goto outpresent;
3210 }
3211 }
3212
3213 result = sony_laptop_setup_input(device);
3214 if (result) {
3215 pr_err("Unable to create input devices\n");
3216 goto outplatform;
3217 }
3218
3219 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3220 int arg = 1;
3221 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3222 dprintk("ECON Method failed\n");
3223 }
3224
3225 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3226 dprintk("Doing SNC setup\n");
3227 /* retrieve the available handles */
3228 result = sony_nc_handles_setup(sony_pf_device);
3229 if (!result)
3230 sony_nc_function_setup(device, sony_pf_device);
3231 }
3232
3233 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3234 sony_nc_backlight_setup();
3235
3236 /* create sony_pf sysfs attributes related to the SNC device */
3237 for (item = sony_nc_values; item->name; ++item) {
3238
3239 if (!debug && item->debug)
3240 continue;
3241
3242 /* find the available acpiget as described in the DSDT */
3243 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3244 if (acpi_has_method(sony_nc_acpi_handle,
3245 *item->acpiget)) {
3246 dprintk("Found %s getter: %s\n",
3247 item->name, *item->acpiget);
3248 item->devattr.attr.mode |= S_IRUGO;
3249 break;
3250 }
3251 }
3252
3253 /* find the available acpiset as described in the DSDT */
3254 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3255 if (acpi_has_method(sony_nc_acpi_handle,
3256 *item->acpiset)) {
3257 dprintk("Found %s setter: %s\n",
3258 item->name, *item->acpiset);
3259 item->devattr.attr.mode |= S_IWUSR;
3260 break;
3261 }
3262 }
3263
3264 if (item->devattr.attr.mode != 0) {
3265 result =
3266 device_create_file(&sony_pf_device->dev,
3267 &item->devattr);
3268 if (result)
3269 goto out_sysfs;
3270 }
3271 }
3272
3273 pr_info("SNC setup done.\n");
3274 return 0;
3275
3276out_sysfs:
3277 for (item = sony_nc_values; item->name; ++item) {
3278 device_remove_file(&sony_pf_device->dev, &item->devattr);
3279 }
3280 sony_nc_backlight_cleanup();
3281 sony_nc_function_cleanup(sony_pf_device);
3282 sony_nc_handles_cleanup(sony_pf_device);
3283
3284outplatform:
3285 sony_laptop_remove_input();
3286
3287outpresent:
3288 sony_pf_remove();
3289
3290outwalk:
3291 sony_nc_rfkill_cleanup();
3292 return result;
3293}
3294
3295static int sony_nc_remove(struct acpi_device *device)
3296{
3297 struct sony_nc_value *item;
3298
3299 sony_nc_backlight_cleanup();
3300
3301 sony_nc_acpi_device = NULL;
3302
3303 for (item = sony_nc_values; item->name; ++item) {
3304 device_remove_file(&sony_pf_device->dev, &item->devattr);
3305 }
3306
3307 sony_nc_function_cleanup(sony_pf_device);
3308 sony_nc_handles_cleanup(sony_pf_device);
3309 sony_pf_remove();
3310 sony_laptop_remove_input();
3311 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3312
3313 return 0;
3314}
3315
3316static const struct acpi_device_id sony_device_ids[] = {
3317 {SONY_NC_HID, 0},
3318 {SONY_PIC_HID, 0},
3319 {"", 0},
3320};
3321MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3322
3323static const struct acpi_device_id sony_nc_device_ids[] = {
3324 {SONY_NC_HID, 0},
3325 {"", 0},
3326};
3327
3328static struct acpi_driver sony_nc_driver = {
3329 .name = SONY_NC_DRIVER_NAME,
3330 .class = SONY_NC_CLASS,
3331 .ids = sony_nc_device_ids,
3332 .owner = THIS_MODULE,
3333 .ops = {
3334 .add = sony_nc_add,
3335 .remove = sony_nc_remove,
3336 .notify = sony_nc_notify,
3337 },
3338 .drv.pm = &sony_nc_pm,
3339};
3340
3341/*********** SPIC (SNY6001) Device ***********/
3342
3343#define SONYPI_DEVICE_TYPE1 0x00000001
3344#define SONYPI_DEVICE_TYPE2 0x00000002
3345#define SONYPI_DEVICE_TYPE3 0x00000004
3346
3347#define SONYPI_TYPE1_OFFSET 0x04
3348#define SONYPI_TYPE2_OFFSET 0x12
3349#define SONYPI_TYPE3_OFFSET 0x12
3350
3351struct sony_pic_ioport {
3352 struct acpi_resource_io io1;
3353 struct acpi_resource_io io2;
3354 struct list_head list;
3355};
3356
3357struct sony_pic_irq {
3358 struct acpi_resource_irq irq;
3359 struct list_head list;
3360};
3361
3362struct sonypi_eventtypes {
3363 u8 data;
3364 unsigned long mask;
3365 struct sonypi_event *events;
3366};
3367
3368struct sony_pic_dev {
3369 struct acpi_device *acpi_dev;
3370 struct sony_pic_irq *cur_irq;
3371 struct sony_pic_ioport *cur_ioport;
3372 struct list_head interrupts;
3373 struct list_head ioports;
3374 struct mutex lock;
3375 struct sonypi_eventtypes *event_types;
3376 int (*handle_irq)(const u8, const u8);
3377 int model;
3378 u16 evport_offset;
3379 u8 camera_power;
3380 u8 bluetooth_power;
3381 u8 wwan_power;
3382};
3383
3384static struct sony_pic_dev spic_dev = {
3385 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3386 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3387};
3388
3389static int spic_drv_registered;
3390
3391/* Event masks */
3392#define SONYPI_JOGGER_MASK 0x00000001
3393#define SONYPI_CAPTURE_MASK 0x00000002
3394#define SONYPI_FNKEY_MASK 0x00000004
3395#define SONYPI_BLUETOOTH_MASK 0x00000008
3396#define SONYPI_PKEY_MASK 0x00000010
3397#define SONYPI_BACK_MASK 0x00000020
3398#define SONYPI_HELP_MASK 0x00000040
3399#define SONYPI_LID_MASK 0x00000080
3400#define SONYPI_ZOOM_MASK 0x00000100
3401#define SONYPI_THUMBPHRASE_MASK 0x00000200
3402#define SONYPI_MEYE_MASK 0x00000400
3403#define SONYPI_MEMORYSTICK_MASK 0x00000800
3404#define SONYPI_BATTERY_MASK 0x00001000
3405#define SONYPI_WIRELESS_MASK 0x00002000
3406
3407struct sonypi_event {
3408 u8 data;
3409 u8 event;
3410};
3411
3412/* The set of possible button release events */
3413static struct sonypi_event sonypi_releaseev[] = {
3414 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3415 { 0, 0 }
3416};
3417
3418/* The set of possible jogger events */
3419static struct sonypi_event sonypi_joggerev[] = {
3420 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3421 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3422 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3423 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3424 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3425 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3426 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3427 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3428 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3429 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3430 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3431 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3432 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3433 { 0, 0 }
3434};
3435
3436/* The set of possible capture button events */
3437static struct sonypi_event sonypi_captureev[] = {
3438 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3439 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3440 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3441 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3442 { 0, 0 }
3443};
3444
3445/* The set of possible fnkeys events */
3446static struct sonypi_event sonypi_fnkeyev[] = {
3447 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3448 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3449 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3450 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3451 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3452 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3453 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3454 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3455 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3456 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3457 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3458 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3459 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3460 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3461 { 0x21, SONYPI_EVENT_FNKEY_1 },
3462 { 0x22, SONYPI_EVENT_FNKEY_2 },
3463 { 0x31, SONYPI_EVENT_FNKEY_D },
3464 { 0x32, SONYPI_EVENT_FNKEY_E },
3465 { 0x33, SONYPI_EVENT_FNKEY_F },
3466 { 0x34, SONYPI_EVENT_FNKEY_S },
3467 { 0x35, SONYPI_EVENT_FNKEY_B },
3468 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3469 { 0, 0 }
3470};
3471
3472/* The set of possible program key events */
3473static struct sonypi_event sonypi_pkeyev[] = {
3474 { 0x01, SONYPI_EVENT_PKEY_P1 },
3475 { 0x02, SONYPI_EVENT_PKEY_P2 },
3476 { 0x04, SONYPI_EVENT_PKEY_P3 },
3477 { 0x20, SONYPI_EVENT_PKEY_P1 },
3478 { 0, 0 }
3479};
3480
3481/* The set of possible bluetooth events */
3482static struct sonypi_event sonypi_blueev[] = {
3483 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3484 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3485 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3486 { 0, 0 }
3487};
3488
3489/* The set of possible wireless events */
3490static struct sonypi_event sonypi_wlessev[] = {
3491 { 0x59, SONYPI_EVENT_IGNORE },
3492 { 0x5a, SONYPI_EVENT_IGNORE },
3493 { 0, 0 }
3494};
3495
3496/* The set of possible back button events */
3497static struct sonypi_event sonypi_backev[] = {
3498 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3499 { 0, 0 }
3500};
3501
3502/* The set of possible help button events */
3503static struct sonypi_event sonypi_helpev[] = {
3504 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3505 { 0, 0 }
3506};
3507
3508
3509/* The set of possible lid events */
3510static struct sonypi_event sonypi_lidev[] = {
3511 { 0x51, SONYPI_EVENT_LID_CLOSED },
3512 { 0x50, SONYPI_EVENT_LID_OPENED },
3513 { 0, 0 }
3514};
3515
3516/* The set of possible zoom events */
3517static struct sonypi_event sonypi_zoomev[] = {
3518 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3519 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3520 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3521 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3522 { 0, 0 }
3523};
3524
3525/* The set of possible thumbphrase events */
3526static struct sonypi_event sonypi_thumbphraseev[] = {
3527 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3528 { 0, 0 }
3529};
3530
3531/* The set of possible motioneye camera events */
3532static struct sonypi_event sonypi_meyeev[] = {
3533 { 0x00, SONYPI_EVENT_MEYE_FACE },
3534 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3535 { 0, 0 }
3536};
3537
3538/* The set of possible memorystick events */
3539static struct sonypi_event sonypi_memorystickev[] = {
3540 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3541 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3542 { 0, 0 }
3543};
3544
3545/* The set of possible battery events */
3546static struct sonypi_event sonypi_batteryev[] = {
3547 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3548 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3549 { 0, 0 }
3550};
3551
3552/* The set of possible volume events */
3553static struct sonypi_event sonypi_volumeev[] = {
3554 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3555 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3556 { 0, 0 }
3557};
3558
3559/* The set of possible brightness events */
3560static struct sonypi_event sonypi_brightnessev[] = {
3561 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3562 { 0, 0 }
3563};
3564
3565static struct sonypi_eventtypes type1_events[] = {
3566 { 0, 0xffffffff, sonypi_releaseev },
3567 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3568 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3569 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3570 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3571 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3572 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3573 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3574 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3575 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3576 { 0 },
3577};
3578static struct sonypi_eventtypes type2_events[] = {
3579 { 0, 0xffffffff, sonypi_releaseev },
3580 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3581 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3582 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3583 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3584 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3585 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3586 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3587 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3588 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3589 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3590 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3591 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3592 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3593 { 0 },
3594};
3595static struct sonypi_eventtypes type3_events[] = {
3596 { 0, 0xffffffff, sonypi_releaseev },
3597 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3598 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3599 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3600 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3601 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3602 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3603 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3604 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3605 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3606 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3607 { 0 },
3608};
3609
3610/* low level spic calls */
3611#define ITERATIONS_LONG 10000
3612#define ITERATIONS_SHORT 10
3613#define wait_on_command(command, iterations) { \
3614 unsigned int n = iterations; \
3615 while (--n && (command)) \
3616 udelay(1); \
3617 if (!n) \
3618 dprintk("command failed at %s : %s (line %d)\n", \
3619 __FILE__, __func__, __LINE__); \
3620}
3621
3622static u8 sony_pic_call1(u8 dev)
3623{
3624 u8 v1, v2;
3625
3626 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3627 ITERATIONS_LONG);
3628 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3629 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3630 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3631 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3632 return v2;
3633}
3634
3635static u8 sony_pic_call2(u8 dev, u8 fn)
3636{
3637 u8 v1;
3638
3639 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3640 ITERATIONS_LONG);
3641 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3642 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3643 ITERATIONS_LONG);
3644 outb(fn, spic_dev.cur_ioport->io1.minimum);
3645 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3646 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3647 return v1;
3648}
3649
3650static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3651{
3652 u8 v1;
3653
3654 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3655 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3656 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3657 outb(fn, spic_dev.cur_ioport->io1.minimum);
3658 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3659 outb(v, spic_dev.cur_ioport->io1.minimum);
3660 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3661 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3662 dev, fn, v, v1);
3663 return v1;
3664}
3665
3666/*
3667 * minidrivers for SPIC models
3668 */
3669static int type3_handle_irq(const u8 data_mask, const u8 ev)
3670{
3671 /*
3672 * 0x31 could mean we have to take some extra action and wait for
3673 * the next irq for some Type3 models, it will generate a new
3674 * irq and we can read new data from the device:
3675 * - 0x5c and 0x5f requires 0xA0
3676 * - 0x61 requires 0xB3
3677 */
3678 if (data_mask == 0x31) {
3679 if (ev == 0x5c || ev == 0x5f)
3680 sony_pic_call1(0xA0);
3681 else if (ev == 0x61)
3682 sony_pic_call1(0xB3);
3683 return 0;
3684 }
3685 return 1;
3686}
3687
3688static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3689{
3690 struct pci_dev *pcidev;
3691
3692 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3693 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3694 if (pcidev) {
3695 dev->model = SONYPI_DEVICE_TYPE1;
3696 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3697 dev->event_types = type1_events;
3698 goto out;
3699 }
3700
3701 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3702 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3703 if (pcidev) {
3704 dev->model = SONYPI_DEVICE_TYPE2;
3705 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3706 dev->event_types = type2_events;
3707 goto out;
3708 }
3709
3710 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3711 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3712 if (pcidev) {
3713 dev->model = SONYPI_DEVICE_TYPE3;
3714 dev->handle_irq = type3_handle_irq;
3715 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3716 dev->event_types = type3_events;
3717 goto out;
3718 }
3719
3720 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3721 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3722 if (pcidev) {
3723 dev->model = SONYPI_DEVICE_TYPE3;
3724 dev->handle_irq = type3_handle_irq;
3725 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3726 dev->event_types = type3_events;
3727 goto out;
3728 }
3729
3730 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3731 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3732 if (pcidev) {
3733 dev->model = SONYPI_DEVICE_TYPE3;
3734 dev->handle_irq = type3_handle_irq;
3735 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3736 dev->event_types = type3_events;
3737 goto out;
3738 }
3739
3740 /* default */
3741 dev->model = SONYPI_DEVICE_TYPE2;
3742 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3743 dev->event_types = type2_events;
3744
3745out:
3746 pci_dev_put(pcidev);
3747
3748 pr_info("detected Type%d model\n",
3749 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3750 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3751}
3752
3753/* camera tests and poweron/poweroff */
3754#define SONYPI_CAMERA_PICTURE 5
3755#define SONYPI_CAMERA_CONTROL 0x10
3756
3757#define SONYPI_CAMERA_BRIGHTNESS 0
3758#define SONYPI_CAMERA_CONTRAST 1
3759#define SONYPI_CAMERA_HUE 2
3760#define SONYPI_CAMERA_COLOR 3
3761#define SONYPI_CAMERA_SHARPNESS 4
3762
3763#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3764#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3765#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3766#define SONYPI_CAMERA_MUTE_MASK 0x40
3767
3768/* the rest don't need a loop until not 0xff */
3769#define SONYPI_CAMERA_AGC 6
3770#define SONYPI_CAMERA_AGC_MASK 0x30
3771#define SONYPI_CAMERA_SHUTTER_MASK 0x7
3772
3773#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3774#define SONYPI_CAMERA_CONTROL 0x10
3775
3776#define SONYPI_CAMERA_STATUS 7
3777#define SONYPI_CAMERA_STATUS_READY 0x2
3778#define SONYPI_CAMERA_STATUS_POSITION 0x4
3779
3780#define SONYPI_DIRECTION_BACKWARDS 0x4
3781
3782#define SONYPI_CAMERA_REVISION 8
3783#define SONYPI_CAMERA_ROMVERSION 9
3784
3785static int __sony_pic_camera_ready(void)
3786{
3787 u8 v;
3788
3789 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3790 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3791}
3792
3793static int __sony_pic_camera_off(void)
3794{
3795 if (!camera) {
3796 pr_warn("camera control not enabled\n");
3797 return -ENODEV;
3798 }
3799
3800 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3801 SONYPI_CAMERA_MUTE_MASK),
3802 ITERATIONS_SHORT);
3803
3804 if (spic_dev.camera_power) {
3805 sony_pic_call2(0x91, 0);
3806 spic_dev.camera_power = 0;
3807 }
3808 return 0;
3809}
3810
3811static int __sony_pic_camera_on(void)
3812{
3813 int i, j, x;
3814
3815 if (!camera) {
3816 pr_warn("camera control not enabled\n");
3817 return -ENODEV;
3818 }
3819
3820 if (spic_dev.camera_power)
3821 return 0;
3822
3823 for (j = 5; j > 0; j--) {
3824
3825 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3826 msleep(10);
3827 sony_pic_call1(0x93);
3828
3829 for (i = 400; i > 0; i--) {
3830 if (__sony_pic_camera_ready())
3831 break;
3832 msleep(10);
3833 }
3834 if (i)
3835 break;
3836 }
3837
3838 if (j == 0) {
3839 pr_warn("failed to power on camera\n");
3840 return -ENODEV;
3841 }
3842
3843 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3844 0x5a),
3845 ITERATIONS_SHORT);
3846
3847 spic_dev.camera_power = 1;
3848 return 0;
3849}
3850
3851/* External camera command (exported to the motion eye v4l driver) */
3852int sony_pic_camera_command(int command, u8 value)
3853{
3854 if (!camera)
3855 return -EIO;
3856
3857 mutex_lock(&spic_dev.lock);
3858
3859 switch (command) {
3860 case SONY_PIC_COMMAND_SETCAMERA:
3861 if (value)
3862 __sony_pic_camera_on();
3863 else
3864 __sony_pic_camera_off();
3865 break;
3866 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3867 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3868 ITERATIONS_SHORT);
3869 break;
3870 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3871 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3872 ITERATIONS_SHORT);
3873 break;
3874 case SONY_PIC_COMMAND_SETCAMERAHUE:
3875 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3876 ITERATIONS_SHORT);
3877 break;
3878 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3879 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3880 ITERATIONS_SHORT);
3881 break;
3882 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3883 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3884 ITERATIONS_SHORT);
3885 break;
3886 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3887 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3888 ITERATIONS_SHORT);
3889 break;
3890 case SONY_PIC_COMMAND_SETCAMERAAGC:
3891 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3892 ITERATIONS_SHORT);
3893 break;
3894 default:
3895 pr_err("sony_pic_camera_command invalid: %d\n", command);
3896 break;
3897 }
3898 mutex_unlock(&spic_dev.lock);
3899 return 0;
3900}
3901EXPORT_SYMBOL(sony_pic_camera_command);
3902
3903/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3904static void __sony_pic_set_wwanpower(u8 state)
3905{
3906 state = !!state;
3907 if (spic_dev.wwan_power == state)
3908 return;
3909 sony_pic_call2(0xB0, state);
3910 sony_pic_call1(0x82);
3911 spic_dev.wwan_power = state;
3912}
3913
3914static ssize_t sony_pic_wwanpower_store(struct device *dev,
3915 struct device_attribute *attr,
3916 const char *buffer, size_t count)
3917{
3918 unsigned long value;
3919 if (count > 31)
3920 return -EINVAL;
3921
3922 if (kstrtoul(buffer, 10, &value))
3923 return -EINVAL;
3924
3925 mutex_lock(&spic_dev.lock);
3926 __sony_pic_set_wwanpower(value);
3927 mutex_unlock(&spic_dev.lock);
3928
3929 return count;
3930}
3931
3932static ssize_t sony_pic_wwanpower_show(struct device *dev,
3933 struct device_attribute *attr, char *buffer)
3934{
3935 ssize_t count;
3936 mutex_lock(&spic_dev.lock);
3937 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3938 mutex_unlock(&spic_dev.lock);
3939 return count;
3940}
3941
3942/* bluetooth subsystem power state */
3943static void __sony_pic_set_bluetoothpower(u8 state)
3944{
3945 state = !!state;
3946 if (spic_dev.bluetooth_power == state)
3947 return;
3948 sony_pic_call2(0x96, state);
3949 sony_pic_call1(0x82);
3950 spic_dev.bluetooth_power = state;
3951}
3952
3953static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3954 struct device_attribute *attr,
3955 const char *buffer, size_t count)
3956{
3957 unsigned long value;
3958 if (count > 31)
3959 return -EINVAL;
3960
3961 if (kstrtoul(buffer, 10, &value))
3962 return -EINVAL;
3963
3964 mutex_lock(&spic_dev.lock);
3965 __sony_pic_set_bluetoothpower(value);
3966 mutex_unlock(&spic_dev.lock);
3967
3968 return count;
3969}
3970
3971static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3972 struct device_attribute *attr, char *buffer)
3973{
3974 ssize_t count = 0;
3975 mutex_lock(&spic_dev.lock);
3976 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3977 mutex_unlock(&spic_dev.lock);
3978 return count;
3979}
3980
3981/* fan speed */
3982/* FAN0 information (reverse engineered from ACPI tables) */
3983#define SONY_PIC_FAN0_STATUS 0x93
3984static int sony_pic_set_fanspeed(unsigned long value)
3985{
3986 return ec_write(SONY_PIC_FAN0_STATUS, value);
3987}
3988
3989static int sony_pic_get_fanspeed(u8 *value)
3990{
3991 return ec_read(SONY_PIC_FAN0_STATUS, value);
3992}
3993
3994static ssize_t sony_pic_fanspeed_store(struct device *dev,
3995 struct device_attribute *attr,
3996 const char *buffer, size_t count)
3997{
3998 unsigned long value;
3999 if (count > 31)
4000 return -EINVAL;
4001
4002 if (kstrtoul(buffer, 10, &value))
4003 return -EINVAL;
4004
4005 if (sony_pic_set_fanspeed(value))
4006 return -EIO;
4007
4008 return count;
4009}
4010
4011static ssize_t sony_pic_fanspeed_show(struct device *dev,
4012 struct device_attribute *attr, char *buffer)
4013{
4014 u8 value = 0;
4015 if (sony_pic_get_fanspeed(&value))
4016 return -EIO;
4017
4018 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
4019}
4020
4021#define SPIC_ATTR(_name, _mode) \
4022struct device_attribute spic_attr_##_name = __ATTR(_name, \
4023 _mode, sony_pic_## _name ##_show, \
4024 sony_pic_## _name ##_store)
4025
4026static SPIC_ATTR(bluetoothpower, 0644);
4027static SPIC_ATTR(wwanpower, 0644);
4028static SPIC_ATTR(fanspeed, 0644);
4029
4030static struct attribute *spic_attributes[] = {
4031 &spic_attr_bluetoothpower.attr,
4032 &spic_attr_wwanpower.attr,
4033 &spic_attr_fanspeed.attr,
4034 NULL
4035};
4036
4037static const struct attribute_group spic_attribute_group = {
4038 .attrs = spic_attributes
4039};
4040
4041/******** SONYPI compatibility **********/
4042#ifdef CONFIG_SONYPI_COMPAT
4043
4044/* battery / brightness / temperature addresses */
4045#define SONYPI_BAT_FLAGS 0x81
4046#define SONYPI_LCD_LIGHT 0x96
4047#define SONYPI_BAT1_PCTRM 0xa0
4048#define SONYPI_BAT1_LEFT 0xa2
4049#define SONYPI_BAT1_MAXRT 0xa4
4050#define SONYPI_BAT2_PCTRM 0xa8
4051#define SONYPI_BAT2_LEFT 0xaa
4052#define SONYPI_BAT2_MAXRT 0xac
4053#define SONYPI_BAT1_MAXTK 0xb0
4054#define SONYPI_BAT1_FULL 0xb2
4055#define SONYPI_BAT2_MAXTK 0xb8
4056#define SONYPI_BAT2_FULL 0xba
4057#define SONYPI_TEMP_STATUS 0xC1
4058
4059struct sonypi_compat_s {
4060 struct fasync_struct *fifo_async;
4061 struct kfifo fifo;
4062 spinlock_t fifo_lock;
4063 wait_queue_head_t fifo_proc_list;
4064 atomic_t open_count;
4065};
4066static struct sonypi_compat_s sonypi_compat = {
4067 .open_count = ATOMIC_INIT(0),
4068};
4069
4070static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4071{
4072 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4073}
4074
4075static int sonypi_misc_release(struct inode *inode, struct file *file)
4076{
4077 atomic_dec(&sonypi_compat.open_count);
4078 return 0;
4079}
4080
4081static int sonypi_misc_open(struct inode *inode, struct file *file)
4082{
4083 /* Flush input queue on first open */
4084 unsigned long flags;
4085
4086 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4087
4088 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4089 kfifo_reset(&sonypi_compat.fifo);
4090
4091 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4092
4093 return 0;
4094}
4095
4096static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4097 size_t count, loff_t *pos)
4098{
4099 ssize_t ret;
4100 unsigned char c;
4101
4102 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4103 (file->f_flags & O_NONBLOCK))
4104 return -EAGAIN;
4105
4106 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4107 kfifo_len(&sonypi_compat.fifo) != 0);
4108 if (ret)
4109 return ret;
4110
4111 while (ret < count &&
4112 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4113 &sonypi_compat.fifo_lock) == sizeof(c))) {
4114 if (put_user(c, buf++))
4115 return -EFAULT;
4116 ret++;
4117 }
4118
4119 if (ret > 0) {
4120 struct inode *inode = file_inode(file);
4121 inode->i_atime = current_time(inode);
4122 }
4123
4124 return ret;
4125}
4126
4127static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
4128{
4129 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4130 if (kfifo_len(&sonypi_compat.fifo))
4131 return EPOLLIN | EPOLLRDNORM;
4132 return 0;
4133}
4134
4135static int ec_read16(u8 addr, u16 *value)
4136{
4137 u8 val_lb, val_hb;
4138 if (ec_read(addr, &val_lb))
4139 return -1;
4140 if (ec_read(addr + 1, &val_hb))
4141 return -1;
4142 *value = val_lb | (val_hb << 8);
4143 return 0;
4144}
4145
4146static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4147 unsigned long arg)
4148{
4149 int ret = 0;
4150 void __user *argp = (void __user *)arg;
4151 u8 val8;
4152 u16 val16;
4153 int value;
4154
4155 mutex_lock(&spic_dev.lock);
4156 switch (cmd) {
4157 case SONYPI_IOCGBRT:
4158 if (sony_bl_props.dev == NULL) {
4159 ret = -EIO;
4160 break;
4161 }
4162 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4163 &value)) {
4164 ret = -EIO;
4165 break;
4166 }
4167 val8 = ((value & 0xff) - 1) << 5;
4168 if (copy_to_user(argp, &val8, sizeof(val8)))
4169 ret = -EFAULT;
4170 break;
4171 case SONYPI_IOCSBRT:
4172 if (sony_bl_props.dev == NULL) {
4173 ret = -EIO;
4174 break;
4175 }
4176 if (copy_from_user(&val8, argp, sizeof(val8))) {
4177 ret = -EFAULT;
4178 break;
4179 }
4180 value = (val8 >> 5) + 1;
4181 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4182 NULL)) {
4183 ret = -EIO;
4184 break;
4185 }
4186 /* sync the backlight device status */
4187 sony_bl_props.dev->props.brightness =
4188 sony_backlight_get_brightness(sony_bl_props.dev);
4189 break;
4190 case SONYPI_IOCGBAT1CAP:
4191 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4192 ret = -EIO;
4193 break;
4194 }
4195 if (copy_to_user(argp, &val16, sizeof(val16)))
4196 ret = -EFAULT;
4197 break;
4198 case SONYPI_IOCGBAT1REM:
4199 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4200 ret = -EIO;
4201 break;
4202 }
4203 if (copy_to_user(argp, &val16, sizeof(val16)))
4204 ret = -EFAULT;
4205 break;
4206 case SONYPI_IOCGBAT2CAP:
4207 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4208 ret = -EIO;
4209 break;
4210 }
4211 if (copy_to_user(argp, &val16, sizeof(val16)))
4212 ret = -EFAULT;
4213 break;
4214 case SONYPI_IOCGBAT2REM:
4215 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4216 ret = -EIO;
4217 break;
4218 }
4219 if (copy_to_user(argp, &val16, sizeof(val16)))
4220 ret = -EFAULT;
4221 break;
4222 case SONYPI_IOCGBATFLAGS:
4223 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4224 ret = -EIO;
4225 break;
4226 }
4227 val8 &= 0x07;
4228 if (copy_to_user(argp, &val8, sizeof(val8)))
4229 ret = -EFAULT;
4230 break;
4231 case SONYPI_IOCGBLUE:
4232 val8 = spic_dev.bluetooth_power;
4233 if (copy_to_user(argp, &val8, sizeof(val8)))
4234 ret = -EFAULT;
4235 break;
4236 case SONYPI_IOCSBLUE:
4237 if (copy_from_user(&val8, argp, sizeof(val8))) {
4238 ret = -EFAULT;
4239 break;
4240 }
4241 __sony_pic_set_bluetoothpower(val8);
4242 break;
4243 /* FAN Controls */
4244 case SONYPI_IOCGFAN:
4245 if (sony_pic_get_fanspeed(&val8)) {
4246 ret = -EIO;
4247 break;
4248 }
4249 if (copy_to_user(argp, &val8, sizeof(val8)))
4250 ret = -EFAULT;
4251 break;
4252 case SONYPI_IOCSFAN:
4253 if (copy_from_user(&val8, argp, sizeof(val8))) {
4254 ret = -EFAULT;
4255 break;
4256 }
4257 if (sony_pic_set_fanspeed(val8))
4258 ret = -EIO;
4259 break;
4260 /* GET Temperature (useful under APM) */
4261 case SONYPI_IOCGTEMP:
4262 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4263 ret = -EIO;
4264 break;
4265 }
4266 if (copy_to_user(argp, &val8, sizeof(val8)))
4267 ret = -EFAULT;
4268 break;
4269 default:
4270 ret = -EINVAL;
4271 }
4272 mutex_unlock(&spic_dev.lock);
4273 return ret;
4274}
4275
4276static const struct file_operations sonypi_misc_fops = {
4277 .owner = THIS_MODULE,
4278 .read = sonypi_misc_read,
4279 .poll = sonypi_misc_poll,
4280 .open = sonypi_misc_open,
4281 .release = sonypi_misc_release,
4282 .fasync = sonypi_misc_fasync,
4283 .unlocked_ioctl = sonypi_misc_ioctl,
4284 .llseek = noop_llseek,
4285};
4286
4287static struct miscdevice sonypi_misc_device = {
4288 .minor = MISC_DYNAMIC_MINOR,
4289 .name = "sonypi",
4290 .fops = &sonypi_misc_fops,
4291};
4292
4293static void sonypi_compat_report_event(u8 event)
4294{
4295 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4296 sizeof(event), &sonypi_compat.fifo_lock);
4297 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4298 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4299}
4300
4301static int sonypi_compat_init(void)
4302{
4303 int error;
4304
4305 spin_lock_init(&sonypi_compat.fifo_lock);
4306 error =
4307 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4308 if (error) {
4309 pr_err("kfifo_alloc failed\n");
4310 return error;
4311 }
4312
4313 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4314
4315 if (minor != -1)
4316 sonypi_misc_device.minor = minor;
4317 error = misc_register(&sonypi_misc_device);
4318 if (error) {
4319 pr_err("misc_register failed\n");
4320 goto err_free_kfifo;
4321 }
4322 if (minor == -1)
4323 pr_info("device allocated minor is %d\n",
4324 sonypi_misc_device.minor);
4325
4326 return 0;
4327
4328err_free_kfifo:
4329 kfifo_free(&sonypi_compat.fifo);
4330 return error;
4331}
4332
4333static void sonypi_compat_exit(void)
4334{
4335 misc_deregister(&sonypi_misc_device);
4336 kfifo_free(&sonypi_compat.fifo);
4337}
4338#else
4339static int sonypi_compat_init(void) { return 0; }
4340static void sonypi_compat_exit(void) { }
4341static void sonypi_compat_report_event(u8 event) { }
4342#endif /* CONFIG_SONYPI_COMPAT */
4343
4344/*
4345 * ACPI callbacks
4346 */
4347static acpi_status
4348sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4349{
4350 u32 i;
4351 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4352
4353 switch (resource->type) {
4354 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4355 {
4356 /* start IO enumeration */
4357 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4358 if (!ioport)
4359 return AE_ERROR;
4360
4361 list_add(&ioport->list, &dev->ioports);
4362 return AE_OK;
4363 }
4364
4365 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4366 /* end IO enumeration */
4367 return AE_OK;
4368
4369 case ACPI_RESOURCE_TYPE_IRQ:
4370 {
4371 struct acpi_resource_irq *p = &resource->data.irq;
4372 struct sony_pic_irq *interrupt = NULL;
4373 if (!p || !p->interrupt_count) {
4374 /*
4375 * IRQ descriptors may have no IRQ# bits set,
4376 * particularly those those w/ _STA disabled
4377 */
4378 dprintk("Blank IRQ resource\n");
4379 return AE_OK;
4380 }
4381 for (i = 0; i < p->interrupt_count; i++) {
4382 if (!p->interrupts[i]) {
4383 pr_warn("Invalid IRQ %d\n",
4384 p->interrupts[i]);
4385 continue;
4386 }
4387 interrupt = kzalloc(sizeof(*interrupt),
4388 GFP_KERNEL);
4389 if (!interrupt)
4390 return AE_ERROR;
4391
4392 list_add(&interrupt->list, &dev->interrupts);
4393 interrupt->irq.triggering = p->triggering;
4394 interrupt->irq.polarity = p->polarity;
4395 interrupt->irq.sharable = p->sharable;
4396 interrupt->irq.interrupt_count = 1;
4397 interrupt->irq.interrupts[0] = p->interrupts[i];
4398 }
4399 return AE_OK;
4400 }
4401 case ACPI_RESOURCE_TYPE_IO:
4402 {
4403 struct acpi_resource_io *io = &resource->data.io;
4404 struct sony_pic_ioport *ioport =
4405 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4406 if (!io) {
4407 dprintk("Blank IO resource\n");
4408 return AE_OK;
4409 }
4410
4411 if (!ioport->io1.minimum) {
4412 memcpy(&ioport->io1, io, sizeof(*io));
4413 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4414 ioport->io1.address_length);
4415 }
4416 else if (!ioport->io2.minimum) {
4417 memcpy(&ioport->io2, io, sizeof(*io));
4418 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4419 ioport->io2.address_length);
4420 }
4421 else {
4422 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4423 return AE_ERROR;
4424 }
4425 return AE_OK;
4426 }
4427 default:
4428 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4429 resource->type);
4430
4431 case ACPI_RESOURCE_TYPE_END_TAG:
4432 return AE_OK;
4433 }
4434 return AE_CTRL_TERMINATE;
4435}
4436
4437static int sony_pic_possible_resources(struct acpi_device *device)
4438{
4439 int result = 0;
4440 acpi_status status = AE_OK;
4441
4442 if (!device)
4443 return -EINVAL;
4444
4445 /* get device status */
4446 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4447 dprintk("Evaluating _STA\n");
4448 result = acpi_bus_get_status(device);
4449 if (result) {
4450 pr_warn("Unable to read status\n");
4451 goto end;
4452 }
4453
4454 if (!device->status.enabled)
4455 dprintk("Device disabled\n");
4456 else
4457 dprintk("Device enabled\n");
4458
4459 /*
4460 * Query and parse 'method'
4461 */
4462 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4463 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4464 sony_pic_read_possible_resource, &spic_dev);
4465 if (ACPI_FAILURE(status)) {
4466 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4467 result = -ENODEV;
4468 }
4469end:
4470 return result;
4471}
4472
4473/*
4474 * Disable the spic device by calling its _DIS method
4475 */
4476static int sony_pic_disable(struct acpi_device *device)
4477{
4478 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4479 NULL);
4480
4481 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4482 return -ENXIO;
4483
4484 dprintk("Device disabled\n");
4485 return 0;
4486}
4487
4488
4489/*
4490 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4491 *
4492 * Call _SRS to set current resources
4493 */
4494static int sony_pic_enable(struct acpi_device *device,
4495 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4496{
4497 acpi_status status;
4498 int result = 0;
4499 /* Type 1 resource layout is:
4500 * IO
4501 * IO
4502 * IRQNoFlags
4503 * End
4504 *
4505 * Type 2 and 3 resource layout is:
4506 * IO
4507 * IRQNoFlags
4508 * End
4509 */
4510 struct {
4511 struct acpi_resource res1;
4512 struct acpi_resource res2;
4513 struct acpi_resource res3;
4514 struct acpi_resource res4;
4515 } *resource;
4516 struct acpi_buffer buffer = { 0, NULL };
4517
4518 if (!ioport || !irq)
4519 return -EINVAL;
4520
4521 /* init acpi_buffer */
4522 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4523 if (!resource)
4524 return -ENOMEM;
4525
4526 buffer.length = sizeof(*resource) + 1;
4527 buffer.pointer = resource;
4528
4529 /* setup Type 1 resources */
4530 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4531
4532 /* setup io resources */
4533 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4534 resource->res1.length = sizeof(struct acpi_resource);
4535 memcpy(&resource->res1.data.io, &ioport->io1,
4536 sizeof(struct acpi_resource_io));
4537
4538 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4539 resource->res2.length = sizeof(struct acpi_resource);
4540 memcpy(&resource->res2.data.io, &ioport->io2,
4541 sizeof(struct acpi_resource_io));
4542
4543 /* setup irq resource */
4544 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4545 resource->res3.length = sizeof(struct acpi_resource);
4546 memcpy(&resource->res3.data.irq, &irq->irq,
4547 sizeof(struct acpi_resource_irq));
4548 /* we requested a shared irq */
4549 resource->res3.data.irq.sharable = ACPI_SHARED;
4550
4551 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4552 resource->res4.length = sizeof(struct acpi_resource);
4553 }
4554 /* setup Type 2/3 resources */
4555 else {
4556 /* setup io resource */
4557 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4558 resource->res1.length = sizeof(struct acpi_resource);
4559 memcpy(&resource->res1.data.io, &ioport->io1,
4560 sizeof(struct acpi_resource_io));
4561
4562 /* setup irq resource */
4563 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4564 resource->res2.length = sizeof(struct acpi_resource);
4565 memcpy(&resource->res2.data.irq, &irq->irq,
4566 sizeof(struct acpi_resource_irq));
4567 /* we requested a shared irq */
4568 resource->res2.data.irq.sharable = ACPI_SHARED;
4569
4570 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4571 resource->res3.length = sizeof(struct acpi_resource);
4572 }
4573
4574 /* Attempt to set the resource */
4575 dprintk("Evaluating _SRS\n");
4576 status = acpi_set_current_resources(device->handle, &buffer);
4577
4578 /* check for total failure */
4579 if (ACPI_FAILURE(status)) {
4580 pr_err("Error evaluating _SRS\n");
4581 result = -ENODEV;
4582 goto end;
4583 }
4584
4585 /* Necessary device initializations calls (from sonypi) */
4586 sony_pic_call1(0x82);
4587 sony_pic_call2(0x81, 0xff);
4588 sony_pic_call1(compat ? 0x92 : 0x82);
4589
4590end:
4591 kfree(resource);
4592 return result;
4593}
4594
4595/*****************
4596 *
4597 * ISR: some event is available
4598 *
4599 *****************/
4600static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4601{
4602 int i, j;
4603 u8 ev = 0;
4604 u8 data_mask = 0;
4605 u8 device_event = 0;
4606
4607 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4608
4609 ev = inb_p(dev->cur_ioport->io1.minimum);
4610 if (dev->cur_ioport->io2.minimum)
4611 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4612 else
4613 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4614 dev->evport_offset);
4615
4616 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4617 ev, data_mask, dev->cur_ioport->io1.minimum,
4618 dev->evport_offset);
4619
4620 if (ev == 0x00 || ev == 0xff)
4621 return IRQ_HANDLED;
4622
4623 for (i = 0; dev->event_types[i].mask; i++) {
4624
4625 if ((data_mask & dev->event_types[i].data) !=
4626 dev->event_types[i].data)
4627 continue;
4628
4629 if (!(mask & dev->event_types[i].mask))
4630 continue;
4631
4632 for (j = 0; dev->event_types[i].events[j].event; j++) {
4633 if (ev == dev->event_types[i].events[j].data) {
4634 device_event =
4635 dev->event_types[i].events[j].event;
4636 /* some events may require ignoring */
4637 if (!device_event)
4638 return IRQ_HANDLED;
4639 goto found;
4640 }
4641 }
4642 }
4643 /* Still not able to decode the event try to pass
4644 * it over to the minidriver
4645 */
4646 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4647 return IRQ_HANDLED;
4648
4649 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4650 ev, data_mask, dev->cur_ioport->io1.minimum,
4651 dev->evport_offset);
4652 return IRQ_HANDLED;
4653
4654found:
4655 sony_laptop_report_input_event(device_event);
4656 sonypi_compat_report_event(device_event);
4657 return IRQ_HANDLED;
4658}
4659
4660/*****************
4661 *
4662 * ACPI driver
4663 *
4664 *****************/
4665static int sony_pic_remove(struct acpi_device *device)
4666{
4667 struct sony_pic_ioport *io, *tmp_io;
4668 struct sony_pic_irq *irq, *tmp_irq;
4669
4670 if (sony_pic_disable(device)) {
4671 pr_err("Couldn't disable device\n");
4672 return -ENXIO;
4673 }
4674
4675 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4676 release_region(spic_dev.cur_ioport->io1.minimum,
4677 spic_dev.cur_ioport->io1.address_length);
4678 if (spic_dev.cur_ioport->io2.minimum)
4679 release_region(spic_dev.cur_ioport->io2.minimum,
4680 spic_dev.cur_ioport->io2.address_length);
4681
4682 sonypi_compat_exit();
4683
4684 sony_laptop_remove_input();
4685
4686 /* pf attrs */
4687 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4688 sony_pf_remove();
4689
4690 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4691 list_del(&io->list);
4692 kfree(io);
4693 }
4694 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4695 list_del(&irq->list);
4696 kfree(irq);
4697 }
4698 spic_dev.cur_ioport = NULL;
4699 spic_dev.cur_irq = NULL;
4700
4701 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4702 return 0;
4703}
4704
4705static int sony_pic_add(struct acpi_device *device)
4706{
4707 int result;
4708 struct sony_pic_ioport *io, *tmp_io;
4709 struct sony_pic_irq *irq, *tmp_irq;
4710
4711 spic_dev.acpi_dev = device;
4712 strcpy(acpi_device_class(device), "sony/hotkey");
4713 sony_pic_detect_device_type(&spic_dev);
4714 mutex_init(&spic_dev.lock);
4715
4716 /* read _PRS resources */
4717 result = sony_pic_possible_resources(device);
4718 if (result) {
4719 pr_err("Unable to read possible resources\n");
4720 goto err_free_resources;
4721 }
4722
4723 /* setup input devices and helper fifo */
4724 result = sony_laptop_setup_input(device);
4725 if (result) {
4726 pr_err("Unable to create input devices\n");
4727 goto err_free_resources;
4728 }
4729
4730 result = sonypi_compat_init();
4731 if (result)
4732 goto err_remove_input;
4733
4734 /* request io port */
4735 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4736 if (request_region(io->io1.minimum, io->io1.address_length,
4737 "Sony Programmable I/O Device")) {
4738 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4739 io->io1.minimum, io->io1.maximum,
4740 io->io1.address_length);
4741 /* Type 1 have 2 ioports */
4742 if (io->io2.minimum) {
4743 if (request_region(io->io2.minimum,
4744 io->io2.address_length,
4745 "Sony Programmable I/O Device")) {
4746 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4747 io->io2.minimum, io->io2.maximum,
4748 io->io2.address_length);
4749 spic_dev.cur_ioport = io;
4750 break;
4751 }
4752 else {
4753 dprintk("Unable to get I/O port2: "
4754 "0x%.4x (0x%.4x) + 0x%.2x\n",
4755 io->io2.minimum, io->io2.maximum,
4756 io->io2.address_length);
4757 release_region(io->io1.minimum,
4758 io->io1.address_length);
4759 }
4760 }
4761 else {
4762 spic_dev.cur_ioport = io;
4763 break;
4764 }
4765 }
4766 }
4767 if (!spic_dev.cur_ioport) {
4768 pr_err("Failed to request_region\n");
4769 result = -ENODEV;
4770 goto err_remove_compat;
4771 }
4772
4773 /* request IRQ */
4774 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4775 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4776 0, "sony-laptop", &spic_dev)) {
4777 dprintk("IRQ: %d - triggering: %d - "
4778 "polarity: %d - shr: %d\n",
4779 irq->irq.interrupts[0],
4780 irq->irq.triggering,
4781 irq->irq.polarity,
4782 irq->irq.sharable);
4783 spic_dev.cur_irq = irq;
4784 break;
4785 }
4786 }
4787 if (!spic_dev.cur_irq) {
4788 pr_err("Failed to request_irq\n");
4789 result = -ENODEV;
4790 goto err_release_region;
4791 }
4792
4793 /* set resource status _SRS */
4794 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4795 if (result) {
4796 pr_err("Couldn't enable device\n");
4797 goto err_free_irq;
4798 }
4799
4800 spic_dev.bluetooth_power = -1;
4801 /* create device attributes */
4802 result = sony_pf_add();
4803 if (result)
4804 goto err_disable_device;
4805
4806 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4807 if (result)
4808 goto err_remove_pf;
4809
4810 pr_info("SPIC setup done.\n");
4811 return 0;
4812
4813err_remove_pf:
4814 sony_pf_remove();
4815
4816err_disable_device:
4817 sony_pic_disable(device);
4818
4819err_free_irq:
4820 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4821
4822err_release_region:
4823 release_region(spic_dev.cur_ioport->io1.minimum,
4824 spic_dev.cur_ioport->io1.address_length);
4825 if (spic_dev.cur_ioport->io2.minimum)
4826 release_region(spic_dev.cur_ioport->io2.minimum,
4827 spic_dev.cur_ioport->io2.address_length);
4828
4829err_remove_compat:
4830 sonypi_compat_exit();
4831
4832err_remove_input:
4833 sony_laptop_remove_input();
4834
4835err_free_resources:
4836 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4837 list_del(&io->list);
4838 kfree(io);
4839 }
4840 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4841 list_del(&irq->list);
4842 kfree(irq);
4843 }
4844 spic_dev.cur_ioport = NULL;
4845 spic_dev.cur_irq = NULL;
4846
4847 return result;
4848}
4849
4850#ifdef CONFIG_PM_SLEEP
4851static int sony_pic_suspend(struct device *dev)
4852{
4853 if (sony_pic_disable(to_acpi_device(dev)))
4854 return -ENXIO;
4855 return 0;
4856}
4857
4858static int sony_pic_resume(struct device *dev)
4859{
4860 sony_pic_enable(to_acpi_device(dev),
4861 spic_dev.cur_ioport, spic_dev.cur_irq);
4862 return 0;
4863}
4864#endif
4865
4866static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4867
4868static const struct acpi_device_id sony_pic_device_ids[] = {
4869 {SONY_PIC_HID, 0},
4870 {"", 0},
4871};
4872
4873static struct acpi_driver sony_pic_driver = {
4874 .name = SONY_PIC_DRIVER_NAME,
4875 .class = SONY_PIC_CLASS,
4876 .ids = sony_pic_device_ids,
4877 .owner = THIS_MODULE,
4878 .ops = {
4879 .add = sony_pic_add,
4880 .remove = sony_pic_remove,
4881 },
4882 .drv.pm = &sony_pic_pm,
4883};
4884
4885static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
4886 {
4887 .ident = "Sony Vaio",
4888 .matches = {
4889 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4890 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4891 },
4892 },
4893 {
4894 .ident = "Sony Vaio",
4895 .matches = {
4896 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4897 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4898 },
4899 },
4900 { }
4901};
4902
4903static int __init sony_laptop_init(void)
4904{
4905 int result;
4906
4907 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4908 result = acpi_bus_register_driver(&sony_pic_driver);
4909 if (result) {
4910 pr_err("Unable to register SPIC driver\n");
4911 goto out;
4912 }
4913 spic_drv_registered = 1;
4914 }
4915
4916 result = acpi_bus_register_driver(&sony_nc_driver);
4917 if (result) {
4918 pr_err("Unable to register SNC driver\n");
4919 goto out_unregister_pic;
4920 }
4921
4922 return 0;
4923
4924out_unregister_pic:
4925 if (spic_drv_registered)
4926 acpi_bus_unregister_driver(&sony_pic_driver);
4927out:
4928 return result;
4929}
4930
4931static void __exit sony_laptop_exit(void)
4932{
4933 acpi_bus_unregister_driver(&sony_nc_driver);
4934 if (spic_drv_registered)
4935 acpi_bus_unregister_driver(&sony_pic_driver);
4936}
4937
4938module_init(sony_laptop_init);
4939module_exit(sony_laptop_exit);