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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[] = {
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->i_atime = 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 <asm/uaccess.h>
72
73#define dprintk(fmt, ...) \
74do { \
75 if (debug) \
76 pr_warn(fmt, ##__VA_ARGS__); \
77} while (0)
78
79#define SONY_NC_CLASS "sony-nc"
80#define SONY_NC_HID "SNY5001"
81#define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
82
83#define SONY_PIC_CLASS "sony-pic"
84#define SONY_PIC_HID "SNY6001"
85#define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
86
87MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89MODULE_LICENSE("GPL");
90
91static int debug;
92module_param(debug, int, 0);
93MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
94 "the development of this driver");
95
96static int no_spic; /* = 0 */
97module_param(no_spic, int, 0444);
98MODULE_PARM_DESC(no_spic,
99 "set this if you don't want to enable the SPIC device");
100
101static int compat; /* = 0 */
102module_param(compat, int, 0444);
103MODULE_PARM_DESC(compat,
104 "set this if you want to enable backward compatibility mode");
105
106static unsigned long mask = 0xffffffff;
107module_param(mask, ulong, 0644);
108MODULE_PARM_DESC(mask,
109 "set this to the mask of event you want to enable (see doc)");
110
111static int camera; /* = 0 */
112module_param(camera, int, 0444);
113MODULE_PARM_DESC(camera,
114 "set this to 1 to enable Motion Eye camera controls "
115 "(only use it if you have a C1VE or C1VN model)");
116
117#ifdef CONFIG_SONYPI_COMPAT
118static int minor = -1;
119module_param(minor, int, 0);
120MODULE_PARM_DESC(minor,
121 "minor number of the misc device for the SPIC compatibility code, "
122 "default is -1 (automatic)");
123#endif
124
125static int kbd_backlight = -1;
126module_param(kbd_backlight, int, 0444);
127MODULE_PARM_DESC(kbd_backlight,
128 "set this to 0 to disable keyboard backlight, "
129 "1 to enable it with automatic control and 2 to have it always "
130 "on (default: no change from current value)");
131
132static int kbd_backlight_timeout = -1;
133module_param(kbd_backlight_timeout, int, 0444);
134MODULE_PARM_DESC(kbd_backlight_timeout,
135 "meaningful values vary from 0 to 3 and their meaning depends "
136 "on the model (default: no change from current value)");
137
138#ifdef CONFIG_PM_SLEEP
139static void sony_nc_thermal_resume(void);
140#endif
141static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
142 unsigned int handle);
143static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
144 unsigned int handle);
145
146static int sony_nc_battery_care_setup(struct platform_device *pd,
147 unsigned int handle);
148static void sony_nc_battery_care_cleanup(struct platform_device *pd);
149
150static int sony_nc_thermal_setup(struct platform_device *pd);
151static void sony_nc_thermal_cleanup(struct platform_device *pd);
152
153static int sony_nc_lid_resume_setup(struct platform_device *pd,
154 unsigned int handle);
155static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
156
157static int sony_nc_gfx_switch_setup(struct platform_device *pd,
158 unsigned int handle);
159static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
160static int __sony_nc_gfx_switch_status_get(void);
161
162static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
163static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
164
165static int sony_nc_lowbatt_setup(struct platform_device *pd);
166static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
167
168static int sony_nc_fanspeed_setup(struct platform_device *pd);
169static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
170
171static int sony_nc_usb_charge_setup(struct platform_device *pd);
172static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
173
174static int sony_nc_panelid_setup(struct platform_device *pd);
175static void sony_nc_panelid_cleanup(struct platform_device *pd);
176
177static int sony_nc_smart_conn_setup(struct platform_device *pd);
178static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
179
180static int sony_nc_touchpad_setup(struct platform_device *pd,
181 unsigned int handle);
182static void sony_nc_touchpad_cleanup(struct platform_device *pd);
183
184enum sony_nc_rfkill {
185 SONY_WIFI,
186 SONY_BLUETOOTH,
187 SONY_WWAN,
188 SONY_WIMAX,
189 N_SONY_RFKILL,
190};
191
192static int sony_rfkill_handle;
193static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
194static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
195static int sony_nc_rfkill_setup(struct acpi_device *device,
196 unsigned int handle);
197static void sony_nc_rfkill_cleanup(void);
198static void sony_nc_rfkill_update(void);
199
200/*********** Input Devices ***********/
201
202#define SONY_LAPTOP_BUF_SIZE 128
203struct sony_laptop_input_s {
204 atomic_t users;
205 struct input_dev *jog_dev;
206 struct input_dev *key_dev;
207 struct kfifo fifo;
208 spinlock_t fifo_lock;
209 struct timer_list release_key_timer;
210};
211
212static struct sony_laptop_input_s sony_laptop_input = {
213 .users = ATOMIC_INIT(0),
214};
215
216struct sony_laptop_keypress {
217 struct input_dev *dev;
218 int key;
219};
220
221/* Correspondance table between sonypi events
222 * and input layer indexes in the keymap
223 */
224static int sony_laptop_input_index[] = {
225 -1, /* 0 no event */
226 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
227 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
228 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
229 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
230 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
231 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
232 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
233 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
234 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
235 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
236 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
237 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
238 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
239 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
240 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
241 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
242 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
243 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
244 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
245 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
246 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
247 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
248 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
249 17, /* 24 SONYPI_EVENT_FNKEY_1 */
250 18, /* 25 SONYPI_EVENT_FNKEY_2 */
251 19, /* 26 SONYPI_EVENT_FNKEY_D */
252 20, /* 27 SONYPI_EVENT_FNKEY_E */
253 21, /* 28 SONYPI_EVENT_FNKEY_F */
254 22, /* 29 SONYPI_EVENT_FNKEY_S */
255 23, /* 30 SONYPI_EVENT_FNKEY_B */
256 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
257 25, /* 32 SONYPI_EVENT_PKEY_P1 */
258 26, /* 33 SONYPI_EVENT_PKEY_P2 */
259 27, /* 34 SONYPI_EVENT_PKEY_P3 */
260 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
261 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
262 -1, /* 37 SONYPI_EVENT_LID_OPENED */
263 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
264 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
265 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
266 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
267 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
268 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
269 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
270 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
271 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
272 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
273 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
274 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
275 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
276 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
277 43, /* 52 SONYPI_EVENT_MEYE_FACE */
278 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
279 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
280 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
281 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
282 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
283 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
284 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
285 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
286 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
287 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
288 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
289 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
290 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
291 53, /* 66 SONYPI_EVENT_PKEY_P4 */
292 54, /* 67 SONYPI_EVENT_PKEY_P5 */
293 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
294 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
295 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
296 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
297 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
298 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
299};
300
301static int sony_laptop_input_keycode_map[] = {
302 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
303 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
304 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
305 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
306 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
307 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
308 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
309 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
310 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
311 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
312 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
313 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
314 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
315 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
316 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
317 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
318 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
319 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
320 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
321 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
322 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
323 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
324 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
325 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
326 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
327 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
328 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
329 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
330 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
331 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
332 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
333 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
334 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
335 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
336 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
337 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
338 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
339 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
340 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
341 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
342 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
343 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
344 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
345 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
346 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
347 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
348 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
349 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
350 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
351 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
352 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
353 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
354 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
355 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
356 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
357 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
358 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
359 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
360 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
361 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
362};
363
364/* release buttons after a short delay if pressed */
365static void do_sony_laptop_release_key(unsigned long unused)
366{
367 struct sony_laptop_keypress kp;
368 unsigned long flags;
369
370 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
371
372 if (kfifo_out(&sony_laptop_input.fifo,
373 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
374 input_report_key(kp.dev, kp.key, 0);
375 input_sync(kp.dev);
376 }
377
378 /* If there is something in the fifo schedule next release. */
379 if (kfifo_len(&sony_laptop_input.fifo) != 0)
380 mod_timer(&sony_laptop_input.release_key_timer,
381 jiffies + msecs_to_jiffies(10));
382
383 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
384}
385
386/* forward event to the input subsystem */
387static void sony_laptop_report_input_event(u8 event)
388{
389 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
390 struct input_dev *key_dev = sony_laptop_input.key_dev;
391 struct sony_laptop_keypress kp = { NULL };
392 int scancode = -1;
393
394 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
395 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
396 /* Nothing, not all VAIOs generate this event */
397 return;
398 }
399
400 /* report events */
401 switch (event) {
402 /* jog_dev events */
403 case SONYPI_EVENT_JOGDIAL_UP:
404 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
405 input_report_rel(jog_dev, REL_WHEEL, 1);
406 input_sync(jog_dev);
407 return;
408
409 case SONYPI_EVENT_JOGDIAL_DOWN:
410 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
411 input_report_rel(jog_dev, REL_WHEEL, -1);
412 input_sync(jog_dev);
413 return;
414
415 /* key_dev events */
416 case SONYPI_EVENT_JOGDIAL_PRESSED:
417 kp.key = BTN_MIDDLE;
418 kp.dev = jog_dev;
419 break;
420
421 default:
422 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
423 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
424 break;
425 }
426 if ((scancode = sony_laptop_input_index[event]) != -1) {
427 kp.key = sony_laptop_input_keycode_map[scancode];
428 if (kp.key != KEY_UNKNOWN)
429 kp.dev = key_dev;
430 }
431 break;
432 }
433
434 if (kp.dev) {
435 /* if we have a scancode we emit it so we can always
436 remap the key */
437 if (scancode != -1)
438 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
439 input_report_key(kp.dev, kp.key, 1);
440 input_sync(kp.dev);
441
442 /* schedule key release */
443 kfifo_in_locked(&sony_laptop_input.fifo,
444 (unsigned char *)&kp, sizeof(kp),
445 &sony_laptop_input.fifo_lock);
446 mod_timer(&sony_laptop_input.release_key_timer,
447 jiffies + msecs_to_jiffies(10));
448 } else
449 dprintk("unknown input event %.2x\n", event);
450}
451
452static int sony_laptop_setup_input(struct acpi_device *acpi_device)
453{
454 struct input_dev *jog_dev;
455 struct input_dev *key_dev;
456 int i;
457 int error;
458
459 /* don't run again if already initialized */
460 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
461 return 0;
462
463 /* kfifo */
464 spin_lock_init(&sony_laptop_input.fifo_lock);
465 error = kfifo_alloc(&sony_laptop_input.fifo,
466 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
467 if (error) {
468 pr_err("kfifo_alloc failed\n");
469 goto err_dec_users;
470 }
471
472 setup_timer(&sony_laptop_input.release_key_timer,
473 do_sony_laptop_release_key, 0);
474
475 /* input keys */
476 key_dev = input_allocate_device();
477 if (!key_dev) {
478 error = -ENOMEM;
479 goto err_free_kfifo;
480 }
481
482 key_dev->name = "Sony Vaio Keys";
483 key_dev->id.bustype = BUS_ISA;
484 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
485 key_dev->dev.parent = &acpi_device->dev;
486
487 /* Initialize the Input Drivers: special keys */
488 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
489
490 __set_bit(EV_KEY, key_dev->evbit);
491 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
492 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
493 key_dev->keycode = &sony_laptop_input_keycode_map;
494 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
495 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
496 __clear_bit(KEY_RESERVED, key_dev->keybit);
497
498 error = input_register_device(key_dev);
499 if (error)
500 goto err_free_keydev;
501
502 sony_laptop_input.key_dev = key_dev;
503
504 /* jogdial */
505 jog_dev = input_allocate_device();
506 if (!jog_dev) {
507 error = -ENOMEM;
508 goto err_unregister_keydev;
509 }
510
511 jog_dev->name = "Sony Vaio Jogdial";
512 jog_dev->id.bustype = BUS_ISA;
513 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
514 jog_dev->dev.parent = &acpi_device->dev;
515
516 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
517 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
518
519 error = input_register_device(jog_dev);
520 if (error)
521 goto err_free_jogdev;
522
523 sony_laptop_input.jog_dev = jog_dev;
524
525 return 0;
526
527err_free_jogdev:
528 input_free_device(jog_dev);
529
530err_unregister_keydev:
531 input_unregister_device(key_dev);
532 /* to avoid kref underflow below at input_free_device */
533 key_dev = NULL;
534
535err_free_keydev:
536 input_free_device(key_dev);
537
538err_free_kfifo:
539 kfifo_free(&sony_laptop_input.fifo);
540
541err_dec_users:
542 atomic_dec(&sony_laptop_input.users);
543 return error;
544}
545
546static void sony_laptop_remove_input(void)
547{
548 struct sony_laptop_keypress kp = { NULL };
549
550 /* Cleanup only after the last user has gone */
551 if (!atomic_dec_and_test(&sony_laptop_input.users))
552 return;
553
554 del_timer_sync(&sony_laptop_input.release_key_timer);
555
556 /*
557 * Generate key-up events for remaining keys. Note that we don't
558 * need locking since nobody is adding new events to the kfifo.
559 */
560 while (kfifo_out(&sony_laptop_input.fifo,
561 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
562 input_report_key(kp.dev, kp.key, 0);
563 input_sync(kp.dev);
564 }
565
566 /* destroy input devs */
567 input_unregister_device(sony_laptop_input.key_dev);
568 sony_laptop_input.key_dev = NULL;
569
570 if (sony_laptop_input.jog_dev) {
571 input_unregister_device(sony_laptop_input.jog_dev);
572 sony_laptop_input.jog_dev = NULL;
573 }
574
575 kfifo_free(&sony_laptop_input.fifo);
576}
577
578/*********** Platform Device ***********/
579
580static atomic_t sony_pf_users = ATOMIC_INIT(0);
581static struct platform_driver sony_pf_driver = {
582 .driver = {
583 .name = "sony-laptop",
584 .owner = THIS_MODULE,
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};
1036struct 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 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1208
1209 if (event >= 0x90) {
1210 unsigned int result = 0;
1211 unsigned int arg = 0;
1212 unsigned int handle = 0;
1213 unsigned int offset = event - 0x90;
1214
1215 if (offset >= ARRAY_SIZE(handles->cap)) {
1216 pr_err("Event 0x%x outside of capabilities list\n",
1217 event);
1218 return;
1219 }
1220 handle = handles->cap[offset];
1221
1222 /* list of handles known for generating events */
1223 switch (handle) {
1224 /* hotkey event */
1225 case 0x0100:
1226 case 0x0127:
1227 ev_type = HOTKEY;
1228 real_ev = sony_nc_hotkeys_decode(event, handle);
1229
1230 if (real_ev > 0)
1231 sony_laptop_report_input_event(real_ev);
1232 else
1233 /* restore the original event for reporting */
1234 real_ev = event;
1235
1236 break;
1237
1238 /* wlan switch */
1239 case 0x0124:
1240 case 0x0135:
1241 /* events on this handle are reported when the
1242 * switch changes position or for battery
1243 * events. We'll notify both of them but only
1244 * update the rfkill device status when the
1245 * switch is moved.
1246 */
1247 ev_type = KILLSWITCH;
1248 sony_call_snc_handle(handle, 0x0100, &result);
1249 real_ev = result & 0x03;
1250
1251 /* hw switch event */
1252 if (real_ev == 1)
1253 sony_nc_rfkill_update();
1254
1255 break;
1256
1257 case 0x0128:
1258 case 0x0146:
1259 /* Hybrid GFX switching */
1260 sony_call_snc_handle(handle, 0x0000, &result);
1261 dprintk("GFX switch event received (reason: %s)\n",
1262 (result == 0x1) ? "switch change" :
1263 (result == 0x2) ? "output switch" :
1264 (result == 0x3) ? "output switch" :
1265 "");
1266
1267 ev_type = GFX_SWITCH;
1268 real_ev = __sony_nc_gfx_switch_status_get();
1269 break;
1270
1271 case 0x015B:
1272 /* Hybrid GFX switching SVS151290S */
1273 ev_type = GFX_SWITCH;
1274 real_ev = __sony_nc_gfx_switch_status_get();
1275 break;
1276 default:
1277 dprintk("Unknown event 0x%x for handle 0x%x\n",
1278 event, handle);
1279 break;
1280 }
1281
1282 /* clear the event (and the event reason when present) */
1283 arg = 1 << offset;
1284 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1285
1286 } else {
1287 /* old style event */
1288 ev_type = HOTKEY;
1289 sony_laptop_report_input_event(real_ev);
1290 }
1291 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1292 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1293}
1294
1295static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1296 void *context, void **return_value)
1297{
1298 struct acpi_device_info *info;
1299
1300 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1301 pr_warn("method: name: %4.4s, args %X\n",
1302 (char *)&info->name, info->param_count);
1303
1304 kfree(info);
1305 }
1306
1307 return AE_OK;
1308}
1309
1310/*
1311 * ACPI device
1312 */
1313static void sony_nc_function_setup(struct acpi_device *device,
1314 struct platform_device *pf_device)
1315{
1316 unsigned int i, result, bitmask, arg;
1317
1318 if (!handles)
1319 return;
1320
1321 /* setup found handles here */
1322 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1323 unsigned int handle = handles->cap[i];
1324
1325 if (!handle)
1326 continue;
1327
1328 dprintk("setting up handle 0x%.4x\n", handle);
1329
1330 switch (handle) {
1331 case 0x0100:
1332 case 0x0101:
1333 case 0x0127:
1334 /* setup hotkeys */
1335 sony_call_snc_handle(handle, 0, &result);
1336 break;
1337 case 0x0102:
1338 /* setup hotkeys */
1339 sony_call_snc_handle(handle, 0x100, &result);
1340 break;
1341 case 0x0105:
1342 case 0x0148:
1343 /* touchpad enable/disable */
1344 result = sony_nc_touchpad_setup(pf_device, handle);
1345 if (result)
1346 pr_err("couldn't set up touchpad control function (%d)\n",
1347 result);
1348 break;
1349 case 0x0115:
1350 case 0x0136:
1351 case 0x013f:
1352 result = sony_nc_battery_care_setup(pf_device, handle);
1353 if (result)
1354 pr_err("couldn't set up battery care function (%d)\n",
1355 result);
1356 break;
1357 case 0x0119:
1358 case 0x015D:
1359 result = sony_nc_lid_resume_setup(pf_device, handle);
1360 if (result)
1361 pr_err("couldn't set up lid resume function (%d)\n",
1362 result);
1363 break;
1364 case 0x0122:
1365 result = sony_nc_thermal_setup(pf_device);
1366 if (result)
1367 pr_err("couldn't set up thermal profile function (%d)\n",
1368 result);
1369 break;
1370 case 0x0128:
1371 case 0x0146:
1372 case 0x015B:
1373 result = sony_nc_gfx_switch_setup(pf_device, handle);
1374 if (result)
1375 pr_err("couldn't set up GFX Switch status (%d)\n",
1376 result);
1377 break;
1378 case 0x0131:
1379 result = sony_nc_highspeed_charging_setup(pf_device);
1380 if (result)
1381 pr_err("couldn't set up high speed charging function (%d)\n",
1382 result);
1383 break;
1384 case 0x0124:
1385 case 0x0135:
1386 result = sony_nc_rfkill_setup(device, handle);
1387 if (result)
1388 pr_err("couldn't set up rfkill support (%d)\n",
1389 result);
1390 break;
1391 case 0x0137:
1392 case 0x0143:
1393 case 0x014b:
1394 case 0x014c:
1395 case 0x0163:
1396 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1397 if (result)
1398 pr_err("couldn't set up keyboard backlight function (%d)\n",
1399 result);
1400 break;
1401 case 0x0121:
1402 result = sony_nc_lowbatt_setup(pf_device);
1403 if (result)
1404 pr_err("couldn't set up low battery function (%d)\n",
1405 result);
1406 break;
1407 case 0x0149:
1408 result = sony_nc_fanspeed_setup(pf_device);
1409 if (result)
1410 pr_err("couldn't set up fan speed function (%d)\n",
1411 result);
1412 break;
1413 case 0x0155:
1414 result = sony_nc_usb_charge_setup(pf_device);
1415 if (result)
1416 pr_err("couldn't set up USB charge support (%d)\n",
1417 result);
1418 break;
1419 case 0x011D:
1420 result = sony_nc_panelid_setup(pf_device);
1421 if (result)
1422 pr_err("couldn't set up panel ID function (%d)\n",
1423 result);
1424 break;
1425 case 0x0168:
1426 result = sony_nc_smart_conn_setup(pf_device);
1427 if (result)
1428 pr_err("couldn't set up smart connect support (%d)\n",
1429 result);
1430 break;
1431 default:
1432 continue;
1433 }
1434 }
1435
1436 /* Enable all events */
1437 arg = 0x10;
1438 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1439 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1440 &result);
1441}
1442
1443static void sony_nc_function_cleanup(struct platform_device *pd)
1444{
1445 unsigned int i, result, bitmask, handle;
1446
1447 /* get enabled events and disable them */
1448 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1449 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1450
1451 /* cleanup handles here */
1452 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1453
1454 handle = handles->cap[i];
1455
1456 if (!handle)
1457 continue;
1458
1459 switch (handle) {
1460 case 0x0105:
1461 case 0x0148:
1462 sony_nc_touchpad_cleanup(pd);
1463 break;
1464 case 0x0115:
1465 case 0x0136:
1466 case 0x013f:
1467 sony_nc_battery_care_cleanup(pd);
1468 break;
1469 case 0x0119:
1470 case 0x015D:
1471 sony_nc_lid_resume_cleanup(pd);
1472 break;
1473 case 0x0122:
1474 sony_nc_thermal_cleanup(pd);
1475 break;
1476 case 0x0128:
1477 case 0x0146:
1478 case 0x015B:
1479 sony_nc_gfx_switch_cleanup(pd);
1480 break;
1481 case 0x0131:
1482 sony_nc_highspeed_charging_cleanup(pd);
1483 break;
1484 case 0x0124:
1485 case 0x0135:
1486 sony_nc_rfkill_cleanup();
1487 break;
1488 case 0x0137:
1489 case 0x0143:
1490 case 0x014b:
1491 case 0x014c:
1492 case 0x0163:
1493 sony_nc_kbd_backlight_cleanup(pd, handle);
1494 break;
1495 case 0x0121:
1496 sony_nc_lowbatt_cleanup(pd);
1497 break;
1498 case 0x0149:
1499 sony_nc_fanspeed_cleanup(pd);
1500 break;
1501 case 0x0155:
1502 sony_nc_usb_charge_cleanup(pd);
1503 break;
1504 case 0x011D:
1505 sony_nc_panelid_cleanup(pd);
1506 break;
1507 case 0x0168:
1508 sony_nc_smart_conn_cleanup(pd);
1509 break;
1510 default:
1511 continue;
1512 }
1513 }
1514
1515 /* finally cleanup the handles list */
1516 sony_nc_handles_cleanup(pd);
1517}
1518
1519#ifdef CONFIG_PM_SLEEP
1520static void sony_nc_function_resume(void)
1521{
1522 unsigned int i, result, bitmask, arg;
1523
1524 dprintk("Resuming SNC device\n");
1525
1526 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1527 unsigned int handle = handles->cap[i];
1528
1529 if (!handle)
1530 continue;
1531
1532 switch (handle) {
1533 case 0x0100:
1534 case 0x0101:
1535 case 0x0127:
1536 /* re-enable hotkeys */
1537 sony_call_snc_handle(handle, 0, &result);
1538 break;
1539 case 0x0102:
1540 /* re-enable hotkeys */
1541 sony_call_snc_handle(handle, 0x100, &result);
1542 break;
1543 case 0x0122:
1544 sony_nc_thermal_resume();
1545 break;
1546 case 0x0124:
1547 case 0x0135:
1548 sony_nc_rfkill_update();
1549 break;
1550 default:
1551 continue;
1552 }
1553 }
1554
1555 /* Enable all events */
1556 arg = 0x10;
1557 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1558 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1559 &result);
1560}
1561
1562static int sony_nc_resume(struct device *dev)
1563{
1564 struct sony_nc_value *item;
1565
1566 for (item = sony_nc_values; item->name; item++) {
1567 int ret;
1568
1569 if (!item->valid)
1570 continue;
1571 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1572 &item->value, NULL);
1573 if (ret < 0) {
1574 pr_err("%s: %d\n", __func__, ret);
1575 break;
1576 }
1577 }
1578
1579 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1580 int arg = 1;
1581 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1582 dprintk("ECON Method failed\n");
1583 }
1584
1585 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1586 sony_nc_function_resume();
1587
1588 return 0;
1589}
1590#endif
1591
1592static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1593
1594static void sony_nc_rfkill_cleanup(void)
1595{
1596 int i;
1597
1598 for (i = 0; i < N_SONY_RFKILL; i++) {
1599 if (sony_rfkill_devices[i]) {
1600 rfkill_unregister(sony_rfkill_devices[i]);
1601 rfkill_destroy(sony_rfkill_devices[i]);
1602 }
1603 }
1604}
1605
1606static int sony_nc_rfkill_set(void *data, bool blocked)
1607{
1608 int result;
1609 int argument = sony_rfkill_address[(long) data] + 0x100;
1610
1611 if (!blocked)
1612 argument |= 0x070000;
1613
1614 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1615}
1616
1617static const struct rfkill_ops sony_rfkill_ops = {
1618 .set_block = sony_nc_rfkill_set,
1619};
1620
1621static int sony_nc_setup_rfkill(struct acpi_device *device,
1622 enum sony_nc_rfkill nc_type)
1623{
1624 int err = 0;
1625 struct rfkill *rfk;
1626 enum rfkill_type type;
1627 const char *name;
1628 int result;
1629 bool hwblock, swblock;
1630
1631 switch (nc_type) {
1632 case SONY_WIFI:
1633 type = RFKILL_TYPE_WLAN;
1634 name = "sony-wifi";
1635 break;
1636 case SONY_BLUETOOTH:
1637 type = RFKILL_TYPE_BLUETOOTH;
1638 name = "sony-bluetooth";
1639 break;
1640 case SONY_WWAN:
1641 type = RFKILL_TYPE_WWAN;
1642 name = "sony-wwan";
1643 break;
1644 case SONY_WIMAX:
1645 type = RFKILL_TYPE_WIMAX;
1646 name = "sony-wimax";
1647 break;
1648 default:
1649 return -EINVAL;
1650 }
1651
1652 rfk = rfkill_alloc(name, &device->dev, type,
1653 &sony_rfkill_ops, (void *)nc_type);
1654 if (!rfk)
1655 return -ENOMEM;
1656
1657 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1658 rfkill_destroy(rfk);
1659 return -1;
1660 }
1661 hwblock = !(result & 0x1);
1662
1663 if (sony_call_snc_handle(sony_rfkill_handle,
1664 sony_rfkill_address[nc_type],
1665 &result) < 0) {
1666 rfkill_destroy(rfk);
1667 return -1;
1668 }
1669 swblock = !(result & 0x2);
1670
1671 rfkill_init_sw_state(rfk, swblock);
1672 rfkill_set_hw_state(rfk, hwblock);
1673
1674 err = rfkill_register(rfk);
1675 if (err) {
1676 rfkill_destroy(rfk);
1677 return err;
1678 }
1679 sony_rfkill_devices[nc_type] = rfk;
1680 return err;
1681}
1682
1683static void sony_nc_rfkill_update(void)
1684{
1685 enum sony_nc_rfkill i;
1686 int result;
1687 bool hwblock;
1688
1689 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1690 hwblock = !(result & 0x1);
1691
1692 for (i = 0; i < N_SONY_RFKILL; i++) {
1693 int argument = sony_rfkill_address[i];
1694
1695 if (!sony_rfkill_devices[i])
1696 continue;
1697
1698 if (hwblock) {
1699 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1700 /* we already know we're blocked */
1701 }
1702 continue;
1703 }
1704
1705 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1706 rfkill_set_states(sony_rfkill_devices[i],
1707 !(result & 0x2), false);
1708 }
1709}
1710
1711static int sony_nc_rfkill_setup(struct acpi_device *device,
1712 unsigned int handle)
1713{
1714 u64 offset;
1715 int i;
1716 unsigned char buffer[32] = { 0 };
1717
1718 offset = sony_find_snc_handle(handle);
1719 sony_rfkill_handle = handle;
1720
1721 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1722 32);
1723 if (i < 0)
1724 return i;
1725
1726 /* The buffer is filled with magic numbers describing the devices
1727 * available, 0xff terminates the enumeration.
1728 * Known codes:
1729 * 0x00 WLAN
1730 * 0x10 BLUETOOTH
1731 * 0x20 WWAN GPRS-EDGE
1732 * 0x21 WWAN HSDPA
1733 * 0x22 WWAN EV-DO
1734 * 0x23 WWAN GPS
1735 * 0x25 Gobi WWAN no GPS
1736 * 0x26 Gobi WWAN + GPS
1737 * 0x28 Gobi WWAN no GPS
1738 * 0x29 Gobi WWAN + GPS
1739 * 0x30 WIMAX
1740 * 0x50 Gobi WWAN no GPS
1741 * 0x51 Gobi WWAN + GPS
1742 * 0x70 no SIM card slot
1743 * 0x71 SIM card slot
1744 */
1745 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1746
1747 if (buffer[i] == 0xff)
1748 break;
1749
1750 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1751
1752 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1753 sony_nc_setup_rfkill(device, SONY_WIFI);
1754
1755 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1756 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1757
1758 if (((0xf0 & buffer[i]) == 0x20 ||
1759 (0xf0 & buffer[i]) == 0x50) &&
1760 !sony_rfkill_devices[SONY_WWAN])
1761 sony_nc_setup_rfkill(device, SONY_WWAN);
1762
1763 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1764 sony_nc_setup_rfkill(device, SONY_WIMAX);
1765 }
1766 return 0;
1767}
1768
1769/* Keyboard backlight feature */
1770struct kbd_backlight {
1771 unsigned int handle;
1772 unsigned int base;
1773 unsigned int mode;
1774 unsigned int timeout;
1775 struct device_attribute mode_attr;
1776 struct device_attribute timeout_attr;
1777};
1778
1779static struct kbd_backlight *kbdbl_ctl;
1780
1781static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1782{
1783 int result;
1784
1785 if (value > 2)
1786 return -EINVAL;
1787
1788 if (sony_call_snc_handle(kbdbl_ctl->handle,
1789 (value << 0x10) | (kbdbl_ctl->base), &result))
1790 return -EIO;
1791
1792 /* Try to turn the light on/off immediately */
1793 if (value != 1)
1794 sony_call_snc_handle(kbdbl_ctl->handle,
1795 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1796 &result);
1797
1798 kbdbl_ctl->mode = value;
1799
1800 return 0;
1801}
1802
1803static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1804 struct device_attribute *attr,
1805 const char *buffer, size_t count)
1806{
1807 int ret = 0;
1808 unsigned long value;
1809
1810 if (count > 31)
1811 return -EINVAL;
1812
1813 if (kstrtoul(buffer, 10, &value))
1814 return -EINVAL;
1815
1816 ret = __sony_nc_kbd_backlight_mode_set(value);
1817 if (ret < 0)
1818 return ret;
1819
1820 return count;
1821}
1822
1823static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1824 struct device_attribute *attr, char *buffer)
1825{
1826 ssize_t count = 0;
1827 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1828 return count;
1829}
1830
1831static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1832{
1833 int result;
1834
1835 if (value > 3)
1836 return -EINVAL;
1837
1838 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1839 (kbdbl_ctl->base + 0x200), &result))
1840 return -EIO;
1841
1842 kbdbl_ctl->timeout = value;
1843
1844 return 0;
1845}
1846
1847static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1848 struct device_attribute *attr,
1849 const char *buffer, size_t count)
1850{
1851 int ret = 0;
1852 unsigned long value;
1853
1854 if (count > 31)
1855 return -EINVAL;
1856
1857 if (kstrtoul(buffer, 10, &value))
1858 return -EINVAL;
1859
1860 ret = __sony_nc_kbd_backlight_timeout_set(value);
1861 if (ret < 0)
1862 return ret;
1863
1864 return count;
1865}
1866
1867static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1868 struct device_attribute *attr, char *buffer)
1869{
1870 ssize_t count = 0;
1871 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1872 return count;
1873}
1874
1875static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1876 unsigned int handle)
1877{
1878 int result;
1879 int ret = 0;
1880
1881 if (kbdbl_ctl) {
1882 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1883 handle, kbdbl_ctl->handle);
1884 return -EBUSY;
1885 }
1886
1887 /* verify the kbd backlight presence, these handles are not used for
1888 * keyboard backlight only
1889 */
1890 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1891 &result);
1892 if (ret)
1893 return ret;
1894
1895 if ((handle == 0x0137 && !(result & 0x02)) ||
1896 !(result & 0x01)) {
1897 dprintk("no backlight keyboard found\n");
1898 return 0;
1899 }
1900
1901 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1902 if (!kbdbl_ctl)
1903 return -ENOMEM;
1904
1905 kbdbl_ctl->mode = kbd_backlight;
1906 kbdbl_ctl->timeout = kbd_backlight_timeout;
1907 kbdbl_ctl->handle = handle;
1908 if (handle == 0x0137)
1909 kbdbl_ctl->base = 0x0C00;
1910 else
1911 kbdbl_ctl->base = 0x4000;
1912
1913 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1914 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1915 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1916 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1917 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1918
1919 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1920 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1921 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1922 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1923 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1924
1925 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1926 if (ret)
1927 goto outkzalloc;
1928
1929 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1930 if (ret)
1931 goto outmode;
1932
1933 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1934 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1935
1936 return 0;
1937
1938outmode:
1939 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1940outkzalloc:
1941 kfree(kbdbl_ctl);
1942 kbdbl_ctl = NULL;
1943 return ret;
1944}
1945
1946static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1947 unsigned int handle)
1948{
1949 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1950 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1951 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1952 kfree(kbdbl_ctl);
1953 kbdbl_ctl = NULL;
1954 }
1955}
1956
1957struct battery_care_control {
1958 struct device_attribute attrs[2];
1959 unsigned int handle;
1960};
1961static struct battery_care_control *bcare_ctl;
1962
1963static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1964 struct device_attribute *attr,
1965 const char *buffer, size_t count)
1966{
1967 unsigned int result, cmd;
1968 unsigned long value;
1969
1970 if (count > 31)
1971 return -EINVAL;
1972
1973 if (kstrtoul(buffer, 10, &value))
1974 return -EINVAL;
1975
1976 /* limit values (2 bits):
1977 * 00 - none
1978 * 01 - 80%
1979 * 10 - 50%
1980 * 11 - 100%
1981 *
1982 * bit 0: 0 disable BCL, 1 enable BCL
1983 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1984 * bits 2,3: reserved
1985 * bits 4,5: store the limit into the EC
1986 * bits 6,7: store the limit into the battery
1987 */
1988 cmd = 0;
1989
1990 if (value > 0) {
1991 if (value <= 50)
1992 cmd = 0x20;
1993
1994 else if (value <= 80)
1995 cmd = 0x10;
1996
1997 else if (value <= 100)
1998 cmd = 0x30;
1999
2000 else
2001 return -EINVAL;
2002
2003 /*
2004 * handle 0x0115 should allow storing on battery too;
2005 * handle 0x0136 same as 0x0115 + health status;
2006 * handle 0x013f, same as 0x0136 but no storing on the battery
2007 */
2008 if (bcare_ctl->handle != 0x013f)
2009 cmd = cmd | (cmd << 2);
2010
2011 cmd = (cmd | 0x1) << 0x10;
2012 }
2013
2014 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2015 return -EIO;
2016
2017 return count;
2018}
2019
2020static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2021 struct device_attribute *attr, char *buffer)
2022{
2023 unsigned int result, status;
2024
2025 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2026 return -EIO;
2027
2028 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2029 switch (status) {
2030 case 1:
2031 status = 80;
2032 break;
2033 case 2:
2034 status = 50;
2035 break;
2036 case 3:
2037 status = 100;
2038 break;
2039 default:
2040 status = 0;
2041 break;
2042 }
2043
2044 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2045}
2046
2047static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2048 struct device_attribute *attr, char *buffer)
2049{
2050 ssize_t count = 0;
2051 unsigned int health;
2052
2053 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2054 return -EIO;
2055
2056 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2057
2058 return count;
2059}
2060
2061static int sony_nc_battery_care_setup(struct platform_device *pd,
2062 unsigned int handle)
2063{
2064 int ret = 0;
2065
2066 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2067 if (!bcare_ctl)
2068 return -ENOMEM;
2069
2070 bcare_ctl->handle = handle;
2071
2072 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2073 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2074 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2075 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2076 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2077
2078 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2079 if (ret)
2080 goto outkzalloc;
2081
2082 /* 0x0115 is for models with no health reporting capability */
2083 if (handle == 0x0115)
2084 return 0;
2085
2086 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2087 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2088 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2089 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2090
2091 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2092 if (ret)
2093 goto outlimiter;
2094
2095 return 0;
2096
2097outlimiter:
2098 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2099
2100outkzalloc:
2101 kfree(bcare_ctl);
2102 bcare_ctl = NULL;
2103
2104 return ret;
2105}
2106
2107static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2108{
2109 if (bcare_ctl) {
2110 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2111 if (bcare_ctl->handle != 0x0115)
2112 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2113
2114 kfree(bcare_ctl);
2115 bcare_ctl = NULL;
2116 }
2117}
2118
2119struct snc_thermal_ctrl {
2120 unsigned int mode;
2121 unsigned int profiles;
2122 struct device_attribute mode_attr;
2123 struct device_attribute profiles_attr;
2124};
2125static struct snc_thermal_ctrl *th_handle;
2126
2127#define THM_PROFILE_MAX 3
2128static const char * const snc_thermal_profiles[] = {
2129 "balanced",
2130 "silent",
2131 "performance"
2132};
2133
2134static int sony_nc_thermal_mode_set(unsigned short mode)
2135{
2136 unsigned int result;
2137
2138 /* the thermal profile seems to be a two bit bitmask:
2139 * lsb -> silent
2140 * msb -> performance
2141 * no bit set is the normal operation and is always valid
2142 * Some vaio models only have "balanced" and "performance"
2143 */
2144 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2145 return -EINVAL;
2146
2147 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2148 return -EIO;
2149
2150 th_handle->mode = mode;
2151
2152 return 0;
2153}
2154
2155static int sony_nc_thermal_mode_get(void)
2156{
2157 unsigned int result;
2158
2159 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2160 return -EIO;
2161
2162 return result & 0xff;
2163}
2164
2165static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2166 struct device_attribute *attr, char *buffer)
2167{
2168 short cnt;
2169 size_t idx = 0;
2170
2171 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2172 if (!cnt || (th_handle->profiles & cnt))
2173 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2174 snc_thermal_profiles[cnt]);
2175 }
2176 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2177
2178 return idx;
2179}
2180
2181static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2182 struct device_attribute *attr,
2183 const char *buffer, size_t count)
2184{
2185 unsigned short cmd;
2186 size_t len = count;
2187
2188 if (count == 0)
2189 return -EINVAL;
2190
2191 /* skip the newline if present */
2192 if (buffer[len - 1] == '\n')
2193 len--;
2194
2195 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2196 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2197 break;
2198
2199 if (sony_nc_thermal_mode_set(cmd))
2200 return -EIO;
2201
2202 return count;
2203}
2204
2205static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2206 struct device_attribute *attr, char *buffer)
2207{
2208 ssize_t count = 0;
2209 int mode = sony_nc_thermal_mode_get();
2210
2211 if (mode < 0)
2212 return mode;
2213
2214 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2215
2216 return count;
2217}
2218
2219static int sony_nc_thermal_setup(struct platform_device *pd)
2220{
2221 int ret = 0;
2222 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2223 if (!th_handle)
2224 return -ENOMEM;
2225
2226 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2227 if (ret) {
2228 pr_warn("couldn't to read the thermal profiles\n");
2229 goto outkzalloc;
2230 }
2231
2232 ret = sony_nc_thermal_mode_get();
2233 if (ret < 0) {
2234 pr_warn("couldn't to read the current thermal profile");
2235 goto outkzalloc;
2236 }
2237 th_handle->mode = ret;
2238
2239 sysfs_attr_init(&th_handle->profiles_attr.attr);
2240 th_handle->profiles_attr.attr.name = "thermal_profiles";
2241 th_handle->profiles_attr.attr.mode = S_IRUGO;
2242 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2243
2244 sysfs_attr_init(&th_handle->mode_attr.attr);
2245 th_handle->mode_attr.attr.name = "thermal_control";
2246 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2247 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2248 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2249
2250 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2251 if (ret)
2252 goto outkzalloc;
2253
2254 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2255 if (ret)
2256 goto outprofiles;
2257
2258 return 0;
2259
2260outprofiles:
2261 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2262outkzalloc:
2263 kfree(th_handle);
2264 th_handle = NULL;
2265 return ret;
2266}
2267
2268static void sony_nc_thermal_cleanup(struct platform_device *pd)
2269{
2270 if (th_handle) {
2271 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2272 device_remove_file(&pd->dev, &th_handle->mode_attr);
2273 kfree(th_handle);
2274 th_handle = NULL;
2275 }
2276}
2277
2278#ifdef CONFIG_PM_SLEEP
2279static void sony_nc_thermal_resume(void)
2280{
2281 unsigned int status = sony_nc_thermal_mode_get();
2282
2283 if (status != th_handle->mode)
2284 sony_nc_thermal_mode_set(th_handle->mode);
2285}
2286#endif
2287
2288/* resume on LID open */
2289#define LID_RESUME_S5 0
2290#define LID_RESUME_S4 1
2291#define LID_RESUME_S3 2
2292#define LID_RESUME_MAX 3
2293struct snc_lid_resume_control {
2294 struct device_attribute attrs[LID_RESUME_MAX];
2295 unsigned int status;
2296 int handle;
2297};
2298static struct snc_lid_resume_control *lid_ctl;
2299
2300static ssize_t sony_nc_lid_resume_store(struct device *dev,
2301 struct device_attribute *attr,
2302 const char *buffer, size_t count)
2303{
2304 unsigned int result;
2305 unsigned long value;
2306 unsigned int pos = LID_RESUME_S5;
2307 if (count > 31)
2308 return -EINVAL;
2309
2310 if (kstrtoul(buffer, 10, &value) || value > 1)
2311 return -EINVAL;
2312
2313 /* the value we have to write to SNC is a bitmask:
2314 * +--------------+
2315 * | S3 | S4 | S5 |
2316 * +--------------+
2317 * 2 1 0
2318 */
2319 while (pos < LID_RESUME_MAX) {
2320 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2321 break;
2322 pos++;
2323 }
2324 if (pos == LID_RESUME_MAX)
2325 return -EINVAL;
2326
2327 if (value)
2328 value = lid_ctl->status | (1 << pos);
2329 else
2330 value = lid_ctl->status & ~(1 << pos);
2331
2332 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2333 &result))
2334 return -EIO;
2335
2336 lid_ctl->status = value;
2337
2338 return count;
2339}
2340
2341static ssize_t sony_nc_lid_resume_show(struct device *dev,
2342 struct device_attribute *attr,
2343 char *buffer)
2344{
2345 unsigned int pos = LID_RESUME_S5;
2346
2347 while (pos < LID_RESUME_MAX) {
2348 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2349 return snprintf(buffer, PAGE_SIZE, "%d\n",
2350 (lid_ctl->status >> pos) & 0x01);
2351 pos++;
2352 }
2353 return -EINVAL;
2354}
2355
2356static int sony_nc_lid_resume_setup(struct platform_device *pd,
2357 unsigned int handle)
2358{
2359 unsigned int result;
2360 int i;
2361
2362 if (sony_call_snc_handle(handle, 0x0000, &result))
2363 return -EIO;
2364
2365 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2366 if (!lid_ctl)
2367 return -ENOMEM;
2368
2369 lid_ctl->status = result & 0x7;
2370 lid_ctl->handle = handle;
2371
2372 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2373 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2374 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2375 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2376 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2377
2378 if (handle == 0x0119) {
2379 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2380 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2381 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2382 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2383 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2384
2385 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2386 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2387 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2388 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2389 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2390 }
2391 for (i = 0; i < LID_RESUME_MAX &&
2392 lid_ctl->attrs[LID_RESUME_S3].attr.name; i++) {
2393 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2394 if (result)
2395 goto liderror;
2396 }
2397
2398 return 0;
2399
2400liderror:
2401 for (i--; i >= 0; i--)
2402 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2403
2404 kfree(lid_ctl);
2405 lid_ctl = NULL;
2406
2407 return result;
2408}
2409
2410static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2411{
2412 int i;
2413
2414 if (lid_ctl) {
2415 for (i = 0; i < LID_RESUME_MAX; i++) {
2416 if (!lid_ctl->attrs[i].attr.name)
2417 break;
2418
2419 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2420 }
2421
2422 kfree(lid_ctl);
2423 lid_ctl = NULL;
2424 }
2425}
2426
2427/* GFX Switch position */
2428enum gfx_switch {
2429 SPEED,
2430 STAMINA,
2431 AUTO
2432};
2433struct snc_gfx_switch_control {
2434 struct device_attribute attr;
2435 unsigned int handle;
2436};
2437static struct snc_gfx_switch_control *gfxs_ctl;
2438
2439/* returns 0 for speed, 1 for stamina */
2440static int __sony_nc_gfx_switch_status_get(void)
2441{
2442 unsigned int result;
2443
2444 if (sony_call_snc_handle(gfxs_ctl->handle,
2445 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2446 &result))
2447 return -EIO;
2448
2449 switch (gfxs_ctl->handle) {
2450 case 0x0146:
2451 /* 1: discrete GFX (speed)
2452 * 0: integrated GFX (stamina)
2453 */
2454 return result & 0x1 ? SPEED : STAMINA;
2455 break;
2456 case 0x015B:
2457 /* 0: discrete GFX (speed)
2458 * 1: integrated GFX (stamina)
2459 */
2460 return result & 0x1 ? STAMINA : SPEED;
2461 break;
2462 case 0x0128:
2463 /* it's a more elaborated bitmask, for now:
2464 * 2: integrated GFX (stamina)
2465 * 0: discrete GFX (speed)
2466 */
2467 dprintk("GFX Status: 0x%x\n", result);
2468 return result & 0x80 ? AUTO :
2469 result & 0x02 ? STAMINA : SPEED;
2470 break;
2471 }
2472 return -EINVAL;
2473}
2474
2475static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2476 struct device_attribute *attr,
2477 char *buffer)
2478{
2479 int pos = __sony_nc_gfx_switch_status_get();
2480
2481 if (pos < 0)
2482 return pos;
2483
2484 return snprintf(buffer, PAGE_SIZE, "%s\n",
2485 pos == SPEED ? "speed" :
2486 pos == STAMINA ? "stamina" :
2487 pos == AUTO ? "auto" : "unknown");
2488}
2489
2490static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2491 unsigned int handle)
2492{
2493 unsigned int result;
2494
2495 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2496 if (!gfxs_ctl)
2497 return -ENOMEM;
2498
2499 gfxs_ctl->handle = handle;
2500
2501 sysfs_attr_init(&gfxs_ctl->attr.attr);
2502 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2503 gfxs_ctl->attr.attr.mode = S_IRUGO;
2504 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2505
2506 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2507 if (result)
2508 goto gfxerror;
2509
2510 return 0;
2511
2512gfxerror:
2513 kfree(gfxs_ctl);
2514 gfxs_ctl = NULL;
2515
2516 return result;
2517}
2518
2519static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2520{
2521 if (gfxs_ctl) {
2522 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2523
2524 kfree(gfxs_ctl);
2525 gfxs_ctl = NULL;
2526 }
2527}
2528
2529/* High speed charging function */
2530static struct device_attribute *hsc_handle;
2531
2532static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2533 struct device_attribute *attr,
2534 const char *buffer, size_t count)
2535{
2536 unsigned int result;
2537 unsigned long value;
2538
2539 if (count > 31)
2540 return -EINVAL;
2541
2542 if (kstrtoul(buffer, 10, &value) || value > 1)
2543 return -EINVAL;
2544
2545 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2546 return -EIO;
2547
2548 return count;
2549}
2550
2551static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2552 struct device_attribute *attr, char *buffer)
2553{
2554 unsigned int result;
2555
2556 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2557 return -EIO;
2558
2559 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2560}
2561
2562static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2563{
2564 unsigned int result;
2565
2566 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2567 /* some models advertise the handle but have no implementation
2568 * for it
2569 */
2570 pr_info("No High Speed Charging capability found\n");
2571 return 0;
2572 }
2573
2574 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2575 if (!hsc_handle)
2576 return -ENOMEM;
2577
2578 sysfs_attr_init(&hsc_handle->attr);
2579 hsc_handle->attr.name = "battery_highspeed_charging";
2580 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2581 hsc_handle->show = sony_nc_highspeed_charging_show;
2582 hsc_handle->store = sony_nc_highspeed_charging_store;
2583
2584 result = device_create_file(&pd->dev, hsc_handle);
2585 if (result) {
2586 kfree(hsc_handle);
2587 hsc_handle = NULL;
2588 return result;
2589 }
2590
2591 return 0;
2592}
2593
2594static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2595{
2596 if (hsc_handle) {
2597 device_remove_file(&pd->dev, hsc_handle);
2598 kfree(hsc_handle);
2599 hsc_handle = NULL;
2600 }
2601}
2602
2603/* low battery function */
2604static struct device_attribute *lowbatt_handle;
2605
2606static ssize_t sony_nc_lowbatt_store(struct device *dev,
2607 struct device_attribute *attr,
2608 const char *buffer, size_t count)
2609{
2610 unsigned int result;
2611 unsigned long value;
2612
2613 if (count > 31)
2614 return -EINVAL;
2615
2616 if (kstrtoul(buffer, 10, &value) || value > 1)
2617 return -EINVAL;
2618
2619 if (sony_call_snc_handle(0x0121, value << 8, &result))
2620 return -EIO;
2621
2622 return count;
2623}
2624
2625static ssize_t sony_nc_lowbatt_show(struct device *dev,
2626 struct device_attribute *attr, char *buffer)
2627{
2628 unsigned int result;
2629
2630 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2631 return -EIO;
2632
2633 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2634}
2635
2636static int sony_nc_lowbatt_setup(struct platform_device *pd)
2637{
2638 unsigned int result;
2639
2640 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2641 if (!lowbatt_handle)
2642 return -ENOMEM;
2643
2644 sysfs_attr_init(&lowbatt_handle->attr);
2645 lowbatt_handle->attr.name = "lowbatt_hibernate";
2646 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2647 lowbatt_handle->show = sony_nc_lowbatt_show;
2648 lowbatt_handle->store = sony_nc_lowbatt_store;
2649
2650 result = device_create_file(&pd->dev, lowbatt_handle);
2651 if (result) {
2652 kfree(lowbatt_handle);
2653 lowbatt_handle = NULL;
2654 return result;
2655 }
2656
2657 return 0;
2658}
2659
2660static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2661{
2662 if (lowbatt_handle) {
2663 device_remove_file(&pd->dev, lowbatt_handle);
2664 kfree(lowbatt_handle);
2665 lowbatt_handle = NULL;
2666 }
2667}
2668
2669/* fan speed function */
2670static struct device_attribute *fan_handle, *hsf_handle;
2671
2672static ssize_t sony_nc_hsfan_store(struct device *dev,
2673 struct device_attribute *attr,
2674 const char *buffer, size_t count)
2675{
2676 unsigned int result;
2677 unsigned long value;
2678
2679 if (count > 31)
2680 return -EINVAL;
2681
2682 if (kstrtoul(buffer, 10, &value) || value > 1)
2683 return -EINVAL;
2684
2685 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2686 return -EIO;
2687
2688 return count;
2689}
2690
2691static ssize_t sony_nc_hsfan_show(struct device *dev,
2692 struct device_attribute *attr, char *buffer)
2693{
2694 unsigned int result;
2695
2696 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2697 return -EIO;
2698
2699 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2700}
2701
2702static ssize_t sony_nc_fanspeed_show(struct device *dev,
2703 struct device_attribute *attr, char *buffer)
2704{
2705 unsigned int result;
2706
2707 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2708 return -EIO;
2709
2710 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2711}
2712
2713static int sony_nc_fanspeed_setup(struct platform_device *pd)
2714{
2715 unsigned int result;
2716
2717 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2718 if (!fan_handle)
2719 return -ENOMEM;
2720
2721 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2722 if (!hsf_handle) {
2723 result = -ENOMEM;
2724 goto out_hsf_handle_alloc;
2725 }
2726
2727 sysfs_attr_init(&fan_handle->attr);
2728 fan_handle->attr.name = "fanspeed";
2729 fan_handle->attr.mode = S_IRUGO;
2730 fan_handle->show = sony_nc_fanspeed_show;
2731 fan_handle->store = NULL;
2732
2733 sysfs_attr_init(&hsf_handle->attr);
2734 hsf_handle->attr.name = "fan_forced";
2735 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2736 hsf_handle->show = sony_nc_hsfan_show;
2737 hsf_handle->store = sony_nc_hsfan_store;
2738
2739 result = device_create_file(&pd->dev, fan_handle);
2740 if (result)
2741 goto out_fan_handle;
2742
2743 result = device_create_file(&pd->dev, hsf_handle);
2744 if (result)
2745 goto out_hsf_handle;
2746
2747 return 0;
2748
2749out_hsf_handle:
2750 device_remove_file(&pd->dev, fan_handle);
2751
2752out_fan_handle:
2753 kfree(hsf_handle);
2754 hsf_handle = NULL;
2755
2756out_hsf_handle_alloc:
2757 kfree(fan_handle);
2758 fan_handle = NULL;
2759 return result;
2760}
2761
2762static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2763{
2764 if (fan_handle) {
2765 device_remove_file(&pd->dev, fan_handle);
2766 kfree(fan_handle);
2767 fan_handle = NULL;
2768 }
2769 if (hsf_handle) {
2770 device_remove_file(&pd->dev, hsf_handle);
2771 kfree(hsf_handle);
2772 hsf_handle = NULL;
2773 }
2774}
2775
2776/* USB charge function */
2777static struct device_attribute *uc_handle;
2778
2779static ssize_t sony_nc_usb_charge_store(struct device *dev,
2780 struct device_attribute *attr,
2781 const char *buffer, size_t count)
2782{
2783 unsigned int result;
2784 unsigned long value;
2785
2786 if (count > 31)
2787 return -EINVAL;
2788
2789 if (kstrtoul(buffer, 10, &value) || value > 1)
2790 return -EINVAL;
2791
2792 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2793 return -EIO;
2794
2795 return count;
2796}
2797
2798static ssize_t sony_nc_usb_charge_show(struct device *dev,
2799 struct device_attribute *attr, char *buffer)
2800{
2801 unsigned int result;
2802
2803 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2804 return -EIO;
2805
2806 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2807}
2808
2809static int sony_nc_usb_charge_setup(struct platform_device *pd)
2810{
2811 unsigned int result;
2812
2813 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2814 /* some models advertise the handle but have no implementation
2815 * for it
2816 */
2817 pr_info("No USB Charge capability found\n");
2818 return 0;
2819 }
2820
2821 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2822 if (!uc_handle)
2823 return -ENOMEM;
2824
2825 sysfs_attr_init(&uc_handle->attr);
2826 uc_handle->attr.name = "usb_charge";
2827 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2828 uc_handle->show = sony_nc_usb_charge_show;
2829 uc_handle->store = sony_nc_usb_charge_store;
2830
2831 result = device_create_file(&pd->dev, uc_handle);
2832 if (result) {
2833 kfree(uc_handle);
2834 uc_handle = NULL;
2835 return result;
2836 }
2837
2838 return 0;
2839}
2840
2841static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2842{
2843 if (uc_handle) {
2844 device_remove_file(&pd->dev, uc_handle);
2845 kfree(uc_handle);
2846 uc_handle = NULL;
2847 }
2848}
2849
2850/* Panel ID function */
2851static struct device_attribute *panel_handle;
2852
2853static ssize_t sony_nc_panelid_show(struct device *dev,
2854 struct device_attribute *attr, char *buffer)
2855{
2856 unsigned int result;
2857
2858 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2859 return -EIO;
2860
2861 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2862}
2863
2864static int sony_nc_panelid_setup(struct platform_device *pd)
2865{
2866 unsigned int result;
2867
2868 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2869 if (!panel_handle)
2870 return -ENOMEM;
2871
2872 sysfs_attr_init(&panel_handle->attr);
2873 panel_handle->attr.name = "panel_id";
2874 panel_handle->attr.mode = S_IRUGO;
2875 panel_handle->show = sony_nc_panelid_show;
2876 panel_handle->store = NULL;
2877
2878 result = device_create_file(&pd->dev, panel_handle);
2879 if (result) {
2880 kfree(panel_handle);
2881 panel_handle = NULL;
2882 return result;
2883 }
2884
2885 return 0;
2886}
2887
2888static void sony_nc_panelid_cleanup(struct platform_device *pd)
2889{
2890 if (panel_handle) {
2891 device_remove_file(&pd->dev, panel_handle);
2892 kfree(panel_handle);
2893 panel_handle = NULL;
2894 }
2895}
2896
2897/* smart connect function */
2898static struct device_attribute *sc_handle;
2899
2900static ssize_t sony_nc_smart_conn_store(struct device *dev,
2901 struct device_attribute *attr,
2902 const char *buffer, size_t count)
2903{
2904 unsigned int result;
2905 unsigned long value;
2906
2907 if (count > 31)
2908 return -EINVAL;
2909
2910 if (kstrtoul(buffer, 10, &value) || value > 1)
2911 return -EINVAL;
2912
2913 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2914 return -EIO;
2915
2916 return count;
2917}
2918
2919static int sony_nc_smart_conn_setup(struct platform_device *pd)
2920{
2921 unsigned int result;
2922
2923 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2924 if (!sc_handle)
2925 return -ENOMEM;
2926
2927 sysfs_attr_init(&sc_handle->attr);
2928 sc_handle->attr.name = "smart_connect";
2929 sc_handle->attr.mode = S_IWUSR;
2930 sc_handle->show = NULL;
2931 sc_handle->store = sony_nc_smart_conn_store;
2932
2933 result = device_create_file(&pd->dev, sc_handle);
2934 if (result) {
2935 kfree(sc_handle);
2936 sc_handle = NULL;
2937 return result;
2938 }
2939
2940 return 0;
2941}
2942
2943static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2944{
2945 if (sc_handle) {
2946 device_remove_file(&pd->dev, sc_handle);
2947 kfree(sc_handle);
2948 sc_handle = NULL;
2949 }
2950}
2951
2952/* Touchpad enable/disable */
2953struct touchpad_control {
2954 struct device_attribute attr;
2955 int handle;
2956};
2957static struct touchpad_control *tp_ctl;
2958
2959static ssize_t sony_nc_touchpad_store(struct device *dev,
2960 struct device_attribute *attr, const char *buffer, size_t count)
2961{
2962 unsigned int result;
2963 unsigned long value;
2964
2965 if (count > 31)
2966 return -EINVAL;
2967
2968 if (kstrtoul(buffer, 10, &value) || value > 1)
2969 return -EINVAL;
2970
2971 /* sysfs: 0 disabled, 1 enabled
2972 * EC: 0 enabled, 1 disabled
2973 */
2974 if (sony_call_snc_handle(tp_ctl->handle,
2975 (!value << 0x10) | 0x100, &result))
2976 return -EIO;
2977
2978 return count;
2979}
2980
2981static ssize_t sony_nc_touchpad_show(struct device *dev,
2982 struct device_attribute *attr, char *buffer)
2983{
2984 unsigned int result;
2985
2986 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2987 return -EINVAL;
2988
2989 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2990}
2991
2992static int sony_nc_touchpad_setup(struct platform_device *pd,
2993 unsigned int handle)
2994{
2995 int ret = 0;
2996
2997 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2998 if (!tp_ctl)
2999 return -ENOMEM;
3000
3001 tp_ctl->handle = handle;
3002
3003 sysfs_attr_init(&tp_ctl->attr.attr);
3004 tp_ctl->attr.attr.name = "touchpad";
3005 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3006 tp_ctl->attr.show = sony_nc_touchpad_show;
3007 tp_ctl->attr.store = sony_nc_touchpad_store;
3008
3009 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3010 if (ret) {
3011 kfree(tp_ctl);
3012 tp_ctl = NULL;
3013 }
3014
3015 return ret;
3016}
3017
3018static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3019{
3020 if (tp_ctl) {
3021 device_remove_file(&pd->dev, &tp_ctl->attr);
3022 kfree(tp_ctl);
3023 tp_ctl = NULL;
3024 }
3025}
3026
3027static void sony_nc_backlight_ng_read_limits(int handle,
3028 struct sony_backlight_props *props)
3029{
3030 u64 offset;
3031 int i;
3032 int lvl_table_len = 0;
3033 u8 min = 0xff, max = 0x00;
3034 unsigned char buffer[32] = { 0 };
3035
3036 props->handle = handle;
3037 props->offset = 0;
3038 props->maxlvl = 0xff;
3039
3040 offset = sony_find_snc_handle(handle);
3041
3042 /* try to read the boundaries from ACPI tables, if we fail the above
3043 * defaults should be reasonable
3044 */
3045 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3046 32);
3047 if (i < 0)
3048 return;
3049
3050 switch (handle) {
3051 case 0x012f:
3052 case 0x0137:
3053 lvl_table_len = 9;
3054 break;
3055 case 0x143:
3056 case 0x14b:
3057 case 0x14c:
3058 lvl_table_len = 16;
3059 break;
3060 }
3061
3062 /* the buffer lists brightness levels available, brightness levels are
3063 * from position 0 to 8 in the array, other values are used by ALS
3064 * control.
3065 */
3066 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3067
3068 dprintk("Brightness level: %d\n", buffer[i]);
3069
3070 if (!buffer[i])
3071 break;
3072
3073 if (buffer[i] > max)
3074 max = buffer[i];
3075 if (buffer[i] < min)
3076 min = buffer[i];
3077 }
3078 props->offset = min;
3079 props->maxlvl = max;
3080 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3081 props->maxlvl);
3082}
3083
3084static void sony_nc_backlight_setup(void)
3085{
3086 int max_brightness = 0;
3087 const struct backlight_ops *ops = NULL;
3088 struct backlight_properties props;
3089
3090 if (sony_find_snc_handle(0x12f) >= 0) {
3091 ops = &sony_backlight_ng_ops;
3092 sony_bl_props.cmd_base = 0x0100;
3093 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3094 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3095
3096 } else if (sony_find_snc_handle(0x137) >= 0) {
3097 ops = &sony_backlight_ng_ops;
3098 sony_bl_props.cmd_base = 0x0100;
3099 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3100 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3101
3102 } else if (sony_find_snc_handle(0x143) >= 0) {
3103 ops = &sony_backlight_ng_ops;
3104 sony_bl_props.cmd_base = 0x3000;
3105 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3106 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3107
3108 } else if (sony_find_snc_handle(0x14b) >= 0) {
3109 ops = &sony_backlight_ng_ops;
3110 sony_bl_props.cmd_base = 0x3000;
3111 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3112 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3113
3114 } else if (sony_find_snc_handle(0x14c) >= 0) {
3115 ops = &sony_backlight_ng_ops;
3116 sony_bl_props.cmd_base = 0x3000;
3117 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3118 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3119
3120 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3121 ops = &sony_backlight_ops;
3122 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3123
3124 } else
3125 return;
3126
3127 memset(&props, 0, sizeof(struct backlight_properties));
3128 props.type = BACKLIGHT_PLATFORM;
3129 props.max_brightness = max_brightness;
3130 sony_bl_props.dev = backlight_device_register("sony", NULL,
3131 &sony_bl_props,
3132 ops, &props);
3133
3134 if (IS_ERR(sony_bl_props.dev)) {
3135 pr_warn("unable to register backlight device\n");
3136 sony_bl_props.dev = NULL;
3137 } else
3138 sony_bl_props.dev->props.brightness =
3139 ops->get_brightness(sony_bl_props.dev);
3140}
3141
3142static void sony_nc_backlight_cleanup(void)
3143{
3144 if (sony_bl_props.dev)
3145 backlight_device_unregister(sony_bl_props.dev);
3146}
3147
3148static int sony_nc_add(struct acpi_device *device)
3149{
3150 acpi_status status;
3151 int result = 0;
3152 struct sony_nc_value *item;
3153
3154 sony_nc_acpi_device = device;
3155 strcpy(acpi_device_class(device), "sony/hotkey");
3156
3157 sony_nc_acpi_handle = device->handle;
3158
3159 /* read device status */
3160 result = acpi_bus_get_status(device);
3161 /* bail IFF the above call was successful and the device is not present */
3162 if (!result && !device->status.present) {
3163 dprintk("Device not present\n");
3164 result = -ENODEV;
3165 goto outwalk;
3166 }
3167
3168 result = sony_pf_add();
3169 if (result)
3170 goto outpresent;
3171
3172 if (debug) {
3173 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3174 sony_nc_acpi_handle, 1, sony_walk_callback,
3175 NULL, NULL, NULL);
3176 if (ACPI_FAILURE(status)) {
3177 pr_warn("unable to walk acpi resources\n");
3178 result = -ENODEV;
3179 goto outpresent;
3180 }
3181 }
3182
3183 result = sony_laptop_setup_input(device);
3184 if (result) {
3185 pr_err("Unable to create input devices\n");
3186 goto outplatform;
3187 }
3188
3189 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3190 int arg = 1;
3191 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3192 dprintk("ECON Method failed\n");
3193 }
3194
3195 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3196 dprintk("Doing SNC setup\n");
3197 /* retrieve the available handles */
3198 result = sony_nc_handles_setup(sony_pf_device);
3199 if (!result)
3200 sony_nc_function_setup(device, sony_pf_device);
3201 }
3202
3203 /* setup input devices and helper fifo */
3204 if (acpi_video_backlight_support()) {
3205 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
3206 } else {
3207 sony_nc_backlight_setup();
3208 }
3209
3210 /* create sony_pf sysfs attributes related to the SNC device */
3211 for (item = sony_nc_values; item->name; ++item) {
3212
3213 if (!debug && item->debug)
3214 continue;
3215
3216 /* find the available acpiget as described in the DSDT */
3217 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3218 if (acpi_has_method(sony_nc_acpi_handle,
3219 *item->acpiget)) {
3220 dprintk("Found %s getter: %s\n",
3221 item->name, *item->acpiget);
3222 item->devattr.attr.mode |= S_IRUGO;
3223 break;
3224 }
3225 }
3226
3227 /* find the available acpiset as described in the DSDT */
3228 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3229 if (acpi_has_method(sony_nc_acpi_handle,
3230 *item->acpiset)) {
3231 dprintk("Found %s setter: %s\n",
3232 item->name, *item->acpiset);
3233 item->devattr.attr.mode |= S_IWUSR;
3234 break;
3235 }
3236 }
3237
3238 if (item->devattr.attr.mode != 0) {
3239 result =
3240 device_create_file(&sony_pf_device->dev,
3241 &item->devattr);
3242 if (result)
3243 goto out_sysfs;
3244 }
3245 }
3246
3247 pr_info("SNC setup done.\n");
3248 return 0;
3249
3250out_sysfs:
3251 for (item = sony_nc_values; item->name; ++item) {
3252 device_remove_file(&sony_pf_device->dev, &item->devattr);
3253 }
3254 sony_nc_backlight_cleanup();
3255 sony_nc_function_cleanup(sony_pf_device);
3256 sony_nc_handles_cleanup(sony_pf_device);
3257
3258outplatform:
3259 sony_laptop_remove_input();
3260
3261outpresent:
3262 sony_pf_remove();
3263
3264outwalk:
3265 sony_nc_rfkill_cleanup();
3266 return result;
3267}
3268
3269static int sony_nc_remove(struct acpi_device *device)
3270{
3271 struct sony_nc_value *item;
3272
3273 sony_nc_backlight_cleanup();
3274
3275 sony_nc_acpi_device = NULL;
3276
3277 for (item = sony_nc_values; item->name; ++item) {
3278 device_remove_file(&sony_pf_device->dev, &item->devattr);
3279 }
3280
3281 sony_nc_function_cleanup(sony_pf_device);
3282 sony_nc_handles_cleanup(sony_pf_device);
3283 sony_pf_remove();
3284 sony_laptop_remove_input();
3285 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3286
3287 return 0;
3288}
3289
3290static const struct acpi_device_id sony_device_ids[] = {
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 if (pcidev)
3721 pci_dev_put(pcidev);
3722
3723 pr_info("detected Type%d model\n",
3724 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3725 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3726}
3727
3728/* camera tests and poweron/poweroff */
3729#define SONYPI_CAMERA_PICTURE 5
3730#define SONYPI_CAMERA_CONTROL 0x10
3731
3732#define SONYPI_CAMERA_BRIGHTNESS 0
3733#define SONYPI_CAMERA_CONTRAST 1
3734#define SONYPI_CAMERA_HUE 2
3735#define SONYPI_CAMERA_COLOR 3
3736#define SONYPI_CAMERA_SHARPNESS 4
3737
3738#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3739#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3740#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3741#define SONYPI_CAMERA_MUTE_MASK 0x40
3742
3743/* the rest don't need a loop until not 0xff */
3744#define SONYPI_CAMERA_AGC 6
3745#define SONYPI_CAMERA_AGC_MASK 0x30
3746#define SONYPI_CAMERA_SHUTTER_MASK 0x7
3747
3748#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3749#define SONYPI_CAMERA_CONTROL 0x10
3750
3751#define SONYPI_CAMERA_STATUS 7
3752#define SONYPI_CAMERA_STATUS_READY 0x2
3753#define SONYPI_CAMERA_STATUS_POSITION 0x4
3754
3755#define SONYPI_DIRECTION_BACKWARDS 0x4
3756
3757#define SONYPI_CAMERA_REVISION 8
3758#define SONYPI_CAMERA_ROMVERSION 9
3759
3760static int __sony_pic_camera_ready(void)
3761{
3762 u8 v;
3763
3764 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3765 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3766}
3767
3768static int __sony_pic_camera_off(void)
3769{
3770 if (!camera) {
3771 pr_warn("camera control not enabled\n");
3772 return -ENODEV;
3773 }
3774
3775 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3776 SONYPI_CAMERA_MUTE_MASK),
3777 ITERATIONS_SHORT);
3778
3779 if (spic_dev.camera_power) {
3780 sony_pic_call2(0x91, 0);
3781 spic_dev.camera_power = 0;
3782 }
3783 return 0;
3784}
3785
3786static int __sony_pic_camera_on(void)
3787{
3788 int i, j, x;
3789
3790 if (!camera) {
3791 pr_warn("camera control not enabled\n");
3792 return -ENODEV;
3793 }
3794
3795 if (spic_dev.camera_power)
3796 return 0;
3797
3798 for (j = 5; j > 0; j--) {
3799
3800 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3801 msleep(10);
3802 sony_pic_call1(0x93);
3803
3804 for (i = 400; i > 0; i--) {
3805 if (__sony_pic_camera_ready())
3806 break;
3807 msleep(10);
3808 }
3809 if (i)
3810 break;
3811 }
3812
3813 if (j == 0) {
3814 pr_warn("failed to power on camera\n");
3815 return -ENODEV;
3816 }
3817
3818 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3819 0x5a),
3820 ITERATIONS_SHORT);
3821
3822 spic_dev.camera_power = 1;
3823 return 0;
3824}
3825
3826/* External camera command (exported to the motion eye v4l driver) */
3827int sony_pic_camera_command(int command, u8 value)
3828{
3829 if (!camera)
3830 return -EIO;
3831
3832 mutex_lock(&spic_dev.lock);
3833
3834 switch (command) {
3835 case SONY_PIC_COMMAND_SETCAMERA:
3836 if (value)
3837 __sony_pic_camera_on();
3838 else
3839 __sony_pic_camera_off();
3840 break;
3841 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3842 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3843 ITERATIONS_SHORT);
3844 break;
3845 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3846 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3847 ITERATIONS_SHORT);
3848 break;
3849 case SONY_PIC_COMMAND_SETCAMERAHUE:
3850 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3851 ITERATIONS_SHORT);
3852 break;
3853 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3854 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3855 ITERATIONS_SHORT);
3856 break;
3857 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3858 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3859 ITERATIONS_SHORT);
3860 break;
3861 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3862 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3863 ITERATIONS_SHORT);
3864 break;
3865 case SONY_PIC_COMMAND_SETCAMERAAGC:
3866 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3867 ITERATIONS_SHORT);
3868 break;
3869 default:
3870 pr_err("sony_pic_camera_command invalid: %d\n", command);
3871 break;
3872 }
3873 mutex_unlock(&spic_dev.lock);
3874 return 0;
3875}
3876EXPORT_SYMBOL(sony_pic_camera_command);
3877
3878/* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3879static void __sony_pic_set_wwanpower(u8 state)
3880{
3881 state = !!state;
3882 if (spic_dev.wwan_power == state)
3883 return;
3884 sony_pic_call2(0xB0, state);
3885 sony_pic_call1(0x82);
3886 spic_dev.wwan_power = state;
3887}
3888
3889static ssize_t sony_pic_wwanpower_store(struct device *dev,
3890 struct device_attribute *attr,
3891 const char *buffer, size_t count)
3892{
3893 unsigned long value;
3894 if (count > 31)
3895 return -EINVAL;
3896
3897 if (kstrtoul(buffer, 10, &value))
3898 return -EINVAL;
3899
3900 mutex_lock(&spic_dev.lock);
3901 __sony_pic_set_wwanpower(value);
3902 mutex_unlock(&spic_dev.lock);
3903
3904 return count;
3905}
3906
3907static ssize_t sony_pic_wwanpower_show(struct device *dev,
3908 struct device_attribute *attr, char *buffer)
3909{
3910 ssize_t count;
3911 mutex_lock(&spic_dev.lock);
3912 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3913 mutex_unlock(&spic_dev.lock);
3914 return count;
3915}
3916
3917/* bluetooth subsystem power state */
3918static void __sony_pic_set_bluetoothpower(u8 state)
3919{
3920 state = !!state;
3921 if (spic_dev.bluetooth_power == state)
3922 return;
3923 sony_pic_call2(0x96, state);
3924 sony_pic_call1(0x82);
3925 spic_dev.bluetooth_power = state;
3926}
3927
3928static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3929 struct device_attribute *attr,
3930 const char *buffer, size_t count)
3931{
3932 unsigned long value;
3933 if (count > 31)
3934 return -EINVAL;
3935
3936 if (kstrtoul(buffer, 10, &value))
3937 return -EINVAL;
3938
3939 mutex_lock(&spic_dev.lock);
3940 __sony_pic_set_bluetoothpower(value);
3941 mutex_unlock(&spic_dev.lock);
3942
3943 return count;
3944}
3945
3946static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3947 struct device_attribute *attr, char *buffer)
3948{
3949 ssize_t count = 0;
3950 mutex_lock(&spic_dev.lock);
3951 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3952 mutex_unlock(&spic_dev.lock);
3953 return count;
3954}
3955
3956/* fan speed */
3957/* FAN0 information (reverse engineered from ACPI tables) */
3958#define SONY_PIC_FAN0_STATUS 0x93
3959static int sony_pic_set_fanspeed(unsigned long value)
3960{
3961 return ec_write(SONY_PIC_FAN0_STATUS, value);
3962}
3963
3964static int sony_pic_get_fanspeed(u8 *value)
3965{
3966 return ec_read(SONY_PIC_FAN0_STATUS, value);
3967}
3968
3969static ssize_t sony_pic_fanspeed_store(struct device *dev,
3970 struct device_attribute *attr,
3971 const char *buffer, size_t count)
3972{
3973 unsigned long value;
3974 if (count > 31)
3975 return -EINVAL;
3976
3977 if (kstrtoul(buffer, 10, &value))
3978 return -EINVAL;
3979
3980 if (sony_pic_set_fanspeed(value))
3981 return -EIO;
3982
3983 return count;
3984}
3985
3986static ssize_t sony_pic_fanspeed_show(struct device *dev,
3987 struct device_attribute *attr, char *buffer)
3988{
3989 u8 value = 0;
3990 if (sony_pic_get_fanspeed(&value))
3991 return -EIO;
3992
3993 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3994}
3995
3996#define SPIC_ATTR(_name, _mode) \
3997struct device_attribute spic_attr_##_name = __ATTR(_name, \
3998 _mode, sony_pic_## _name ##_show, \
3999 sony_pic_## _name ##_store)
4000
4001static SPIC_ATTR(bluetoothpower, 0644);
4002static SPIC_ATTR(wwanpower, 0644);
4003static SPIC_ATTR(fanspeed, 0644);
4004
4005static struct attribute *spic_attributes[] = {
4006 &spic_attr_bluetoothpower.attr,
4007 &spic_attr_wwanpower.attr,
4008 &spic_attr_fanspeed.attr,
4009 NULL
4010};
4011
4012static struct attribute_group spic_attribute_group = {
4013 .attrs = spic_attributes
4014};
4015
4016/******** SONYPI compatibility **********/
4017#ifdef CONFIG_SONYPI_COMPAT
4018
4019/* battery / brightness / temperature addresses */
4020#define SONYPI_BAT_FLAGS 0x81
4021#define SONYPI_LCD_LIGHT 0x96
4022#define SONYPI_BAT1_PCTRM 0xa0
4023#define SONYPI_BAT1_LEFT 0xa2
4024#define SONYPI_BAT1_MAXRT 0xa4
4025#define SONYPI_BAT2_PCTRM 0xa8
4026#define SONYPI_BAT2_LEFT 0xaa
4027#define SONYPI_BAT2_MAXRT 0xac
4028#define SONYPI_BAT1_MAXTK 0xb0
4029#define SONYPI_BAT1_FULL 0xb2
4030#define SONYPI_BAT2_MAXTK 0xb8
4031#define SONYPI_BAT2_FULL 0xba
4032#define SONYPI_TEMP_STATUS 0xC1
4033
4034struct sonypi_compat_s {
4035 struct fasync_struct *fifo_async;
4036 struct kfifo fifo;
4037 spinlock_t fifo_lock;
4038 wait_queue_head_t fifo_proc_list;
4039 atomic_t open_count;
4040};
4041static struct sonypi_compat_s sonypi_compat = {
4042 .open_count = ATOMIC_INIT(0),
4043};
4044
4045static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4046{
4047 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4048}
4049
4050static int sonypi_misc_release(struct inode *inode, struct file *file)
4051{
4052 atomic_dec(&sonypi_compat.open_count);
4053 return 0;
4054}
4055
4056static int sonypi_misc_open(struct inode *inode, struct file *file)
4057{
4058 /* Flush input queue on first open */
4059 unsigned long flags;
4060
4061 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4062
4063 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4064 kfifo_reset(&sonypi_compat.fifo);
4065
4066 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4067
4068 return 0;
4069}
4070
4071static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4072 size_t count, loff_t *pos)
4073{
4074 ssize_t ret;
4075 unsigned char c;
4076
4077 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4078 (file->f_flags & O_NONBLOCK))
4079 return -EAGAIN;
4080
4081 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4082 kfifo_len(&sonypi_compat.fifo) != 0);
4083 if (ret)
4084 return ret;
4085
4086 while (ret < count &&
4087 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4088 &sonypi_compat.fifo_lock) == sizeof(c))) {
4089 if (put_user(c, buf++))
4090 return -EFAULT;
4091 ret++;
4092 }
4093
4094 if (ret > 0) {
4095 struct inode *inode = file_inode(file);
4096 inode->i_atime = current_fs_time(inode->i_sb);
4097 }
4098
4099 return ret;
4100}
4101
4102static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
4103{
4104 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4105 if (kfifo_len(&sonypi_compat.fifo))
4106 return POLLIN | POLLRDNORM;
4107 return 0;
4108}
4109
4110static int ec_read16(u8 addr, u16 *value)
4111{
4112 u8 val_lb, val_hb;
4113 if (ec_read(addr, &val_lb))
4114 return -1;
4115 if (ec_read(addr + 1, &val_hb))
4116 return -1;
4117 *value = val_lb | (val_hb << 8);
4118 return 0;
4119}
4120
4121static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4122 unsigned long arg)
4123{
4124 int ret = 0;
4125 void __user *argp = (void __user *)arg;
4126 u8 val8;
4127 u16 val16;
4128 int value;
4129
4130 mutex_lock(&spic_dev.lock);
4131 switch (cmd) {
4132 case SONYPI_IOCGBRT:
4133 if (sony_bl_props.dev == NULL) {
4134 ret = -EIO;
4135 break;
4136 }
4137 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4138 &value)) {
4139 ret = -EIO;
4140 break;
4141 }
4142 val8 = ((value & 0xff) - 1) << 5;
4143 if (copy_to_user(argp, &val8, sizeof(val8)))
4144 ret = -EFAULT;
4145 break;
4146 case SONYPI_IOCSBRT:
4147 if (sony_bl_props.dev == NULL) {
4148 ret = -EIO;
4149 break;
4150 }
4151 if (copy_from_user(&val8, argp, sizeof(val8))) {
4152 ret = -EFAULT;
4153 break;
4154 }
4155 value = (val8 >> 5) + 1;
4156 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4157 NULL)) {
4158 ret = -EIO;
4159 break;
4160 }
4161 /* sync the backlight device status */
4162 sony_bl_props.dev->props.brightness =
4163 sony_backlight_get_brightness(sony_bl_props.dev);
4164 break;
4165 case SONYPI_IOCGBAT1CAP:
4166 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4167 ret = -EIO;
4168 break;
4169 }
4170 if (copy_to_user(argp, &val16, sizeof(val16)))
4171 ret = -EFAULT;
4172 break;
4173 case SONYPI_IOCGBAT1REM:
4174 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4175 ret = -EIO;
4176 break;
4177 }
4178 if (copy_to_user(argp, &val16, sizeof(val16)))
4179 ret = -EFAULT;
4180 break;
4181 case SONYPI_IOCGBAT2CAP:
4182 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4183 ret = -EIO;
4184 break;
4185 }
4186 if (copy_to_user(argp, &val16, sizeof(val16)))
4187 ret = -EFAULT;
4188 break;
4189 case SONYPI_IOCGBAT2REM:
4190 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4191 ret = -EIO;
4192 break;
4193 }
4194 if (copy_to_user(argp, &val16, sizeof(val16)))
4195 ret = -EFAULT;
4196 break;
4197 case SONYPI_IOCGBATFLAGS:
4198 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4199 ret = -EIO;
4200 break;
4201 }
4202 val8 &= 0x07;
4203 if (copy_to_user(argp, &val8, sizeof(val8)))
4204 ret = -EFAULT;
4205 break;
4206 case SONYPI_IOCGBLUE:
4207 val8 = spic_dev.bluetooth_power;
4208 if (copy_to_user(argp, &val8, sizeof(val8)))
4209 ret = -EFAULT;
4210 break;
4211 case SONYPI_IOCSBLUE:
4212 if (copy_from_user(&val8, argp, sizeof(val8))) {
4213 ret = -EFAULT;
4214 break;
4215 }
4216 __sony_pic_set_bluetoothpower(val8);
4217 break;
4218 /* FAN Controls */
4219 case SONYPI_IOCGFAN:
4220 if (sony_pic_get_fanspeed(&val8)) {
4221 ret = -EIO;
4222 break;
4223 }
4224 if (copy_to_user(argp, &val8, sizeof(val8)))
4225 ret = -EFAULT;
4226 break;
4227 case SONYPI_IOCSFAN:
4228 if (copy_from_user(&val8, argp, sizeof(val8))) {
4229 ret = -EFAULT;
4230 break;
4231 }
4232 if (sony_pic_set_fanspeed(val8))
4233 ret = -EIO;
4234 break;
4235 /* GET Temperature (useful under APM) */
4236 case SONYPI_IOCGTEMP:
4237 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4238 ret = -EIO;
4239 break;
4240 }
4241 if (copy_to_user(argp, &val8, sizeof(val8)))
4242 ret = -EFAULT;
4243 break;
4244 default:
4245 ret = -EINVAL;
4246 }
4247 mutex_unlock(&spic_dev.lock);
4248 return ret;
4249}
4250
4251static const struct file_operations sonypi_misc_fops = {
4252 .owner = THIS_MODULE,
4253 .read = sonypi_misc_read,
4254 .poll = sonypi_misc_poll,
4255 .open = sonypi_misc_open,
4256 .release = sonypi_misc_release,
4257 .fasync = sonypi_misc_fasync,
4258 .unlocked_ioctl = sonypi_misc_ioctl,
4259 .llseek = noop_llseek,
4260};
4261
4262static struct miscdevice sonypi_misc_device = {
4263 .minor = MISC_DYNAMIC_MINOR,
4264 .name = "sonypi",
4265 .fops = &sonypi_misc_fops,
4266};
4267
4268static void sonypi_compat_report_event(u8 event)
4269{
4270 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4271 sizeof(event), &sonypi_compat.fifo_lock);
4272 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4273 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4274}
4275
4276static int sonypi_compat_init(void)
4277{
4278 int error;
4279
4280 spin_lock_init(&sonypi_compat.fifo_lock);
4281 error =
4282 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4283 if (error) {
4284 pr_err("kfifo_alloc failed\n");
4285 return error;
4286 }
4287
4288 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4289
4290 if (minor != -1)
4291 sonypi_misc_device.minor = minor;
4292 error = misc_register(&sonypi_misc_device);
4293 if (error) {
4294 pr_err("misc_register failed\n");
4295 goto err_free_kfifo;
4296 }
4297 if (minor == -1)
4298 pr_info("device allocated minor is %d\n",
4299 sonypi_misc_device.minor);
4300
4301 return 0;
4302
4303err_free_kfifo:
4304 kfifo_free(&sonypi_compat.fifo);
4305 return error;
4306}
4307
4308static void sonypi_compat_exit(void)
4309{
4310 misc_deregister(&sonypi_misc_device);
4311 kfifo_free(&sonypi_compat.fifo);
4312}
4313#else
4314static int sonypi_compat_init(void) { return 0; }
4315static void sonypi_compat_exit(void) { }
4316static void sonypi_compat_report_event(u8 event) { }
4317#endif /* CONFIG_SONYPI_COMPAT */
4318
4319/*
4320 * ACPI callbacks
4321 */
4322static acpi_status
4323sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4324{
4325 u32 i;
4326 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4327
4328 switch (resource->type) {
4329 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4330 {
4331 /* start IO enumeration */
4332 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4333 if (!ioport)
4334 return AE_ERROR;
4335
4336 list_add(&ioport->list, &dev->ioports);
4337 return AE_OK;
4338 }
4339
4340 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4341 /* end IO enumeration */
4342 return AE_OK;
4343
4344 case ACPI_RESOURCE_TYPE_IRQ:
4345 {
4346 struct acpi_resource_irq *p = &resource->data.irq;
4347 struct sony_pic_irq *interrupt = NULL;
4348 if (!p || !p->interrupt_count) {
4349 /*
4350 * IRQ descriptors may have no IRQ# bits set,
4351 * particularly those those w/ _STA disabled
4352 */
4353 dprintk("Blank IRQ resource\n");
4354 return AE_OK;
4355 }
4356 for (i = 0; i < p->interrupt_count; i++) {
4357 if (!p->interrupts[i]) {
4358 pr_warn("Invalid IRQ %d\n",
4359 p->interrupts[i]);
4360 continue;
4361 }
4362 interrupt = kzalloc(sizeof(*interrupt),
4363 GFP_KERNEL);
4364 if (!interrupt)
4365 return AE_ERROR;
4366
4367 list_add(&interrupt->list, &dev->interrupts);
4368 interrupt->irq.triggering = p->triggering;
4369 interrupt->irq.polarity = p->polarity;
4370 interrupt->irq.sharable = p->sharable;
4371 interrupt->irq.interrupt_count = 1;
4372 interrupt->irq.interrupts[0] = p->interrupts[i];
4373 }
4374 return AE_OK;
4375 }
4376 case ACPI_RESOURCE_TYPE_IO:
4377 {
4378 struct acpi_resource_io *io = &resource->data.io;
4379 struct sony_pic_ioport *ioport =
4380 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4381 if (!io) {
4382 dprintk("Blank IO resource\n");
4383 return AE_OK;
4384 }
4385
4386 if (!ioport->io1.minimum) {
4387 memcpy(&ioport->io1, io, sizeof(*io));
4388 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4389 ioport->io1.address_length);
4390 }
4391 else if (!ioport->io2.minimum) {
4392 memcpy(&ioport->io2, io, sizeof(*io));
4393 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4394 ioport->io2.address_length);
4395 }
4396 else {
4397 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4398 return AE_ERROR;
4399 }
4400 return AE_OK;
4401 }
4402 default:
4403 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4404 resource->type);
4405
4406 case ACPI_RESOURCE_TYPE_END_TAG:
4407 return AE_OK;
4408 }
4409 return AE_CTRL_TERMINATE;
4410}
4411
4412static int sony_pic_possible_resources(struct acpi_device *device)
4413{
4414 int result = 0;
4415 acpi_status status = AE_OK;
4416
4417 if (!device)
4418 return -EINVAL;
4419
4420 /* get device status */
4421 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4422 dprintk("Evaluating _STA\n");
4423 result = acpi_bus_get_status(device);
4424 if (result) {
4425 pr_warn("Unable to read status\n");
4426 goto end;
4427 }
4428
4429 if (!device->status.enabled)
4430 dprintk("Device disabled\n");
4431 else
4432 dprintk("Device enabled\n");
4433
4434 /*
4435 * Query and parse 'method'
4436 */
4437 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4438 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4439 sony_pic_read_possible_resource, &spic_dev);
4440 if (ACPI_FAILURE(status)) {
4441 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4442 result = -ENODEV;
4443 }
4444end:
4445 return result;
4446}
4447
4448/*
4449 * Disable the spic device by calling its _DIS method
4450 */
4451static int sony_pic_disable(struct acpi_device *device)
4452{
4453 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4454 NULL);
4455
4456 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4457 return -ENXIO;
4458
4459 dprintk("Device disabled\n");
4460 return 0;
4461}
4462
4463
4464/*
4465 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4466 *
4467 * Call _SRS to set current resources
4468 */
4469static int sony_pic_enable(struct acpi_device *device,
4470 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4471{
4472 acpi_status status;
4473 int result = 0;
4474 /* Type 1 resource layout is:
4475 * IO
4476 * IO
4477 * IRQNoFlags
4478 * End
4479 *
4480 * Type 2 and 3 resource layout is:
4481 * IO
4482 * IRQNoFlags
4483 * End
4484 */
4485 struct {
4486 struct acpi_resource res1;
4487 struct acpi_resource res2;
4488 struct acpi_resource res3;
4489 struct acpi_resource res4;
4490 } *resource;
4491 struct acpi_buffer buffer = { 0, NULL };
4492
4493 if (!ioport || !irq)
4494 return -EINVAL;
4495
4496 /* init acpi_buffer */
4497 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4498 if (!resource)
4499 return -ENOMEM;
4500
4501 buffer.length = sizeof(*resource) + 1;
4502 buffer.pointer = resource;
4503
4504 /* setup Type 1 resources */
4505 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4506
4507 /* setup io resources */
4508 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4509 resource->res1.length = sizeof(struct acpi_resource);
4510 memcpy(&resource->res1.data.io, &ioport->io1,
4511 sizeof(struct acpi_resource_io));
4512
4513 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4514 resource->res2.length = sizeof(struct acpi_resource);
4515 memcpy(&resource->res2.data.io, &ioport->io2,
4516 sizeof(struct acpi_resource_io));
4517
4518 /* setup irq resource */
4519 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4520 resource->res3.length = sizeof(struct acpi_resource);
4521 memcpy(&resource->res3.data.irq, &irq->irq,
4522 sizeof(struct acpi_resource_irq));
4523 /* we requested a shared irq */
4524 resource->res3.data.irq.sharable = ACPI_SHARED;
4525
4526 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4527 resource->res4.length = sizeof(struct acpi_resource);
4528 }
4529 /* setup Type 2/3 resources */
4530 else {
4531 /* setup io resource */
4532 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4533 resource->res1.length = sizeof(struct acpi_resource);
4534 memcpy(&resource->res1.data.io, &ioport->io1,
4535 sizeof(struct acpi_resource_io));
4536
4537 /* setup irq resource */
4538 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4539 resource->res2.length = sizeof(struct acpi_resource);
4540 memcpy(&resource->res2.data.irq, &irq->irq,
4541 sizeof(struct acpi_resource_irq));
4542 /* we requested a shared irq */
4543 resource->res2.data.irq.sharable = ACPI_SHARED;
4544
4545 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4546 resource->res3.length = sizeof(struct acpi_resource);
4547 }
4548
4549 /* Attempt to set the resource */
4550 dprintk("Evaluating _SRS\n");
4551 status = acpi_set_current_resources(device->handle, &buffer);
4552
4553 /* check for total failure */
4554 if (ACPI_FAILURE(status)) {
4555 pr_err("Error evaluating _SRS\n");
4556 result = -ENODEV;
4557 goto end;
4558 }
4559
4560 /* Necessary device initializations calls (from sonypi) */
4561 sony_pic_call1(0x82);
4562 sony_pic_call2(0x81, 0xff);
4563 sony_pic_call1(compat ? 0x92 : 0x82);
4564
4565end:
4566 kfree(resource);
4567 return result;
4568}
4569
4570/*****************
4571 *
4572 * ISR: some event is available
4573 *
4574 *****************/
4575static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4576{
4577 int i, j;
4578 u8 ev = 0;
4579 u8 data_mask = 0;
4580 u8 device_event = 0;
4581
4582 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4583
4584 ev = inb_p(dev->cur_ioport->io1.minimum);
4585 if (dev->cur_ioport->io2.minimum)
4586 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4587 else
4588 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4589 dev->evport_offset);
4590
4591 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4592 ev, data_mask, dev->cur_ioport->io1.minimum,
4593 dev->evport_offset);
4594
4595 if (ev == 0x00 || ev == 0xff)
4596 return IRQ_HANDLED;
4597
4598 for (i = 0; dev->event_types[i].mask; i++) {
4599
4600 if ((data_mask & dev->event_types[i].data) !=
4601 dev->event_types[i].data)
4602 continue;
4603
4604 if (!(mask & dev->event_types[i].mask))
4605 continue;
4606
4607 for (j = 0; dev->event_types[i].events[j].event; j++) {
4608 if (ev == dev->event_types[i].events[j].data) {
4609 device_event =
4610 dev->event_types[i].events[j].event;
4611 /* some events may require ignoring */
4612 if (!device_event)
4613 return IRQ_HANDLED;
4614 goto found;
4615 }
4616 }
4617 }
4618 /* Still not able to decode the event try to pass
4619 * it over to the minidriver
4620 */
4621 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4622 return IRQ_HANDLED;
4623
4624 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4625 ev, data_mask, dev->cur_ioport->io1.minimum,
4626 dev->evport_offset);
4627 return IRQ_HANDLED;
4628
4629found:
4630 sony_laptop_report_input_event(device_event);
4631 sonypi_compat_report_event(device_event);
4632 return IRQ_HANDLED;
4633}
4634
4635/*****************
4636 *
4637 * ACPI driver
4638 *
4639 *****************/
4640static int sony_pic_remove(struct acpi_device *device)
4641{
4642 struct sony_pic_ioport *io, *tmp_io;
4643 struct sony_pic_irq *irq, *tmp_irq;
4644
4645 if (sony_pic_disable(device)) {
4646 pr_err("Couldn't disable device\n");
4647 return -ENXIO;
4648 }
4649
4650 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4651 release_region(spic_dev.cur_ioport->io1.minimum,
4652 spic_dev.cur_ioport->io1.address_length);
4653 if (spic_dev.cur_ioport->io2.minimum)
4654 release_region(spic_dev.cur_ioport->io2.minimum,
4655 spic_dev.cur_ioport->io2.address_length);
4656
4657 sonypi_compat_exit();
4658
4659 sony_laptop_remove_input();
4660
4661 /* pf attrs */
4662 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4663 sony_pf_remove();
4664
4665 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4666 list_del(&io->list);
4667 kfree(io);
4668 }
4669 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4670 list_del(&irq->list);
4671 kfree(irq);
4672 }
4673 spic_dev.cur_ioport = NULL;
4674 spic_dev.cur_irq = NULL;
4675
4676 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4677 return 0;
4678}
4679
4680static int sony_pic_add(struct acpi_device *device)
4681{
4682 int result;
4683 struct sony_pic_ioport *io, *tmp_io;
4684 struct sony_pic_irq *irq, *tmp_irq;
4685
4686 spic_dev.acpi_dev = device;
4687 strcpy(acpi_device_class(device), "sony/hotkey");
4688 sony_pic_detect_device_type(&spic_dev);
4689 mutex_init(&spic_dev.lock);
4690
4691 /* read _PRS resources */
4692 result = sony_pic_possible_resources(device);
4693 if (result) {
4694 pr_err("Unable to read possible resources\n");
4695 goto err_free_resources;
4696 }
4697
4698 /* setup input devices and helper fifo */
4699 result = sony_laptop_setup_input(device);
4700 if (result) {
4701 pr_err("Unable to create input devices\n");
4702 goto err_free_resources;
4703 }
4704
4705 result = sonypi_compat_init();
4706 if (result)
4707 goto err_remove_input;
4708
4709 /* request io port */
4710 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4711 if (request_region(io->io1.minimum, io->io1.address_length,
4712 "Sony Programmable I/O Device")) {
4713 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4714 io->io1.minimum, io->io1.maximum,
4715 io->io1.address_length);
4716 /* Type 1 have 2 ioports */
4717 if (io->io2.minimum) {
4718 if (request_region(io->io2.minimum,
4719 io->io2.address_length,
4720 "Sony Programmable I/O Device")) {
4721 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4722 io->io2.minimum, io->io2.maximum,
4723 io->io2.address_length);
4724 spic_dev.cur_ioport = io;
4725 break;
4726 }
4727 else {
4728 dprintk("Unable to get I/O port2: "
4729 "0x%.4x (0x%.4x) + 0x%.2x\n",
4730 io->io2.minimum, io->io2.maximum,
4731 io->io2.address_length);
4732 release_region(io->io1.minimum,
4733 io->io1.address_length);
4734 }
4735 }
4736 else {
4737 spic_dev.cur_ioport = io;
4738 break;
4739 }
4740 }
4741 }
4742 if (!spic_dev.cur_ioport) {
4743 pr_err("Failed to request_region\n");
4744 result = -ENODEV;
4745 goto err_remove_compat;
4746 }
4747
4748 /* request IRQ */
4749 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4750 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4751 0, "sony-laptop", &spic_dev)) {
4752 dprintk("IRQ: %d - triggering: %d - "
4753 "polarity: %d - shr: %d\n",
4754 irq->irq.interrupts[0],
4755 irq->irq.triggering,
4756 irq->irq.polarity,
4757 irq->irq.sharable);
4758 spic_dev.cur_irq = irq;
4759 break;
4760 }
4761 }
4762 if (!spic_dev.cur_irq) {
4763 pr_err("Failed to request_irq\n");
4764 result = -ENODEV;
4765 goto err_release_region;
4766 }
4767
4768 /* set resource status _SRS */
4769 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4770 if (result) {
4771 pr_err("Couldn't enable device\n");
4772 goto err_free_irq;
4773 }
4774
4775 spic_dev.bluetooth_power = -1;
4776 /* create device attributes */
4777 result = sony_pf_add();
4778 if (result)
4779 goto err_disable_device;
4780
4781 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4782 if (result)
4783 goto err_remove_pf;
4784
4785 pr_info("SPIC setup done.\n");
4786 return 0;
4787
4788err_remove_pf:
4789 sony_pf_remove();
4790
4791err_disable_device:
4792 sony_pic_disable(device);
4793
4794err_free_irq:
4795 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4796
4797err_release_region:
4798 release_region(spic_dev.cur_ioport->io1.minimum,
4799 spic_dev.cur_ioport->io1.address_length);
4800 if (spic_dev.cur_ioport->io2.minimum)
4801 release_region(spic_dev.cur_ioport->io2.minimum,
4802 spic_dev.cur_ioport->io2.address_length);
4803
4804err_remove_compat:
4805 sonypi_compat_exit();
4806
4807err_remove_input:
4808 sony_laptop_remove_input();
4809
4810err_free_resources:
4811 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4812 list_del(&io->list);
4813 kfree(io);
4814 }
4815 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4816 list_del(&irq->list);
4817 kfree(irq);
4818 }
4819 spic_dev.cur_ioport = NULL;
4820 spic_dev.cur_irq = NULL;
4821
4822 return result;
4823}
4824
4825#ifdef CONFIG_PM_SLEEP
4826static int sony_pic_suspend(struct device *dev)
4827{
4828 if (sony_pic_disable(to_acpi_device(dev)))
4829 return -ENXIO;
4830 return 0;
4831}
4832
4833static int sony_pic_resume(struct device *dev)
4834{
4835 sony_pic_enable(to_acpi_device(dev),
4836 spic_dev.cur_ioport, spic_dev.cur_irq);
4837 return 0;
4838}
4839#endif
4840
4841static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4842
4843static const struct acpi_device_id sony_pic_device_ids[] = {
4844 {SONY_PIC_HID, 0},
4845 {"", 0},
4846};
4847
4848static struct acpi_driver sony_pic_driver = {
4849 .name = SONY_PIC_DRIVER_NAME,
4850 .class = SONY_PIC_CLASS,
4851 .ids = sony_pic_device_ids,
4852 .owner = THIS_MODULE,
4853 .ops = {
4854 .add = sony_pic_add,
4855 .remove = sony_pic_remove,
4856 },
4857 .drv.pm = &sony_pic_pm,
4858};
4859
4860static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4861 {
4862 .ident = "Sony Vaio",
4863 .matches = {
4864 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4865 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4866 },
4867 },
4868 {
4869 .ident = "Sony Vaio",
4870 .matches = {
4871 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4872 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4873 },
4874 },
4875 { }
4876};
4877
4878static int __init sony_laptop_init(void)
4879{
4880 int result;
4881
4882 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4883 result = acpi_bus_register_driver(&sony_pic_driver);
4884 if (result) {
4885 pr_err("Unable to register SPIC driver\n");
4886 goto out;
4887 }
4888 spic_drv_registered = 1;
4889 }
4890
4891 result = acpi_bus_register_driver(&sony_nc_driver);
4892 if (result) {
4893 pr_err("Unable to register SNC driver\n");
4894 goto out_unregister_pic;
4895 }
4896
4897 return 0;
4898
4899out_unregister_pic:
4900 if (spic_drv_registered)
4901 acpi_bus_unregister_driver(&sony_pic_driver);
4902out:
4903 return result;
4904}
4905
4906static void __exit sony_laptop_exit(void)
4907{
4908 acpi_bus_unregister_driver(&sony_nc_driver);
4909 if (spic_drv_registered)
4910 acpi_bus_unregister_driver(&sony_pic_driver);
4911}
4912
4913module_init(sony_laptop_init);
4914module_exit(sony_laptop_exit);