1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
46
47 #include <linux/kernel.h>
48 #include <linux/module.h>
49 #include <linux/moduleparam.h>
50 #include <linux/init.h>
51 #include <linux/types.h>
52 #include <linux/backlight.h>
53 #include <linux/platform_device.h>
54 #include <linux/err.h>
55 #include <linux/dmi.h>
56 #include <linux/pci.h>
57 #include <linux/interrupt.h>
58 #include <linux/delay.h>
59 #include <linux/input.h>
60 #include <linux/kfifo.h>
61 #include <linux/workqueue.h>
62 #include <linux/acpi.h>
63 #include <linux/slab.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71 #include <linux/uaccess.h>
72 #include <acpi/video.h>
73
74 #define dprintk(fmt, ...) \
75 do { \
76 if (debug) \
77 pr_warn(fmt, ##__VA_ARGS__); \
78 } while (0)
79
80 #define SONY_NC_CLASS "sony-nc"
81 #define SONY_NC_HID "SNY5001"
82 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
83
84 #define SONY_PIC_CLASS "sony-pic"
85 #define SONY_PIC_HID "SNY6001"
86 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
87
88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
90 MODULE_LICENSE("GPL");
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
96
97 static int no_spic; /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102 static int compat; /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
112 static int camera; /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124 #endif
125
126 static int kbd_backlight = -1;
127 module_param(kbd_backlight, int, 0444);
128 MODULE_PARM_DESC(kbd_backlight,
129 "set this to 0 to disable keyboard backlight, "
130 "1 to enable it with automatic control and 2 to have it always "
131 "on (default: no change from current value)");
132
133 static int kbd_backlight_timeout = -1;
134 module_param(kbd_backlight_timeout, int, 0444);
135 MODULE_PARM_DESC(kbd_backlight_timeout,
136 "meaningful values vary from 0 to 3 and their meaning depends "
137 "on the model (default: no change from current value)");
138
139 #ifdef CONFIG_PM_SLEEP
140 static void sony_nc_thermal_resume(void);
141 #endif
142 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
143 unsigned int handle);
144 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
145 unsigned int handle);
146
147 static int sony_nc_battery_care_setup(struct platform_device *pd,
148 unsigned int handle);
149 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
150
151 static int sony_nc_thermal_setup(struct platform_device *pd);
152 static void sony_nc_thermal_cleanup(struct platform_device *pd);
153
154 static int sony_nc_lid_resume_setup(struct platform_device *pd,
155 unsigned int handle);
156 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
157
158 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
159 unsigned int handle);
160 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
161 static int __sony_nc_gfx_switch_status_get(void);
162
163 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
164 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
165
166 static int sony_nc_lowbatt_setup(struct platform_device *pd);
167 static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
168
169 static int sony_nc_fanspeed_setup(struct platform_device *pd);
170 static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
171
172 static int sony_nc_usb_charge_setup(struct platform_device *pd);
173 static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
174
175 static int sony_nc_panelid_setup(struct platform_device *pd);
176 static void sony_nc_panelid_cleanup(struct platform_device *pd);
177
178 static int sony_nc_smart_conn_setup(struct platform_device *pd);
179 static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
180
181 static int sony_nc_touchpad_setup(struct platform_device *pd,
182 unsigned int handle);
183 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
184
185 enum sony_nc_rfkill {
186 SONY_WIFI,
187 SONY_BLUETOOTH,
188 SONY_WWAN,
189 SONY_WIMAX,
190 N_SONY_RFKILL,
191 };
192
193 static int sony_rfkill_handle;
194 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
195 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
196 static int sony_nc_rfkill_setup(struct acpi_device *device,
197 unsigned int handle);
198 static void sony_nc_rfkill_cleanup(void);
199 static void sony_nc_rfkill_update(void);
200
201 /*********** Input Devices ***********/
202
203 #define SONY_LAPTOP_BUF_SIZE 128
204 struct sony_laptop_input_s {
205 atomic_t users;
206 struct input_dev *jog_dev;
207 struct input_dev *key_dev;
208 struct kfifo fifo;
209 spinlock_t fifo_lock;
210 struct timer_list release_key_timer;
211 };
212
213 static struct sony_laptop_input_s sony_laptop_input = {
214 .users = ATOMIC_INIT(0),
215 };
216
217 struct sony_laptop_keypress {
218 struct input_dev *dev;
219 int key;
220 };
221
222 /* Correspondance table between sonypi events
223 * and input layer indexes in the keymap
224 */
225 static const int sony_laptop_input_index[] = {
226 -1, /* 0 no event */
227 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
228 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
229 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
230 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
231 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
232 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
233 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
234 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
235 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
236 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
237 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
238 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
239 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
240 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
241 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
242 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
243 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
244 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
245 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
246 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
247 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
248 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
249 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
250 17, /* 24 SONYPI_EVENT_FNKEY_1 */
251 18, /* 25 SONYPI_EVENT_FNKEY_2 */
252 19, /* 26 SONYPI_EVENT_FNKEY_D */
253 20, /* 27 SONYPI_EVENT_FNKEY_E */
254 21, /* 28 SONYPI_EVENT_FNKEY_F */
255 22, /* 29 SONYPI_EVENT_FNKEY_S */
256 23, /* 30 SONYPI_EVENT_FNKEY_B */
257 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
258 25, /* 32 SONYPI_EVENT_PKEY_P1 */
259 26, /* 33 SONYPI_EVENT_PKEY_P2 */
260 27, /* 34 SONYPI_EVENT_PKEY_P3 */
261 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
262 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
263 -1, /* 37 SONYPI_EVENT_LID_OPENED */
264 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
265 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
266 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
267 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
268 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
269 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
270 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
271 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
272 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
273 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
274 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
275 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
276 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
277 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
278 43, /* 52 SONYPI_EVENT_MEYE_FACE */
279 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
280 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
281 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
282 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
283 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
284 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
285 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
286 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
287 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
288 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
289 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
290 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
291 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
292 53, /* 66 SONYPI_EVENT_PKEY_P4 */
293 54, /* 67 SONYPI_EVENT_PKEY_P5 */
294 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
295 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
296 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
297 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
298 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
299 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
300 };
301
302 static int sony_laptop_input_keycode_map[] = {
303 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
304 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
305 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
306 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
307 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
308 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
309 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
310 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
311 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
312 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
313 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
314 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
315 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
316 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
317 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
318 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
319 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
320 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
321 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
322 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
323 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
324 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
325 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
326 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
327 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
328 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
329 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
330 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
331 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
332 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
333 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
334 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
335 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
336 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
337 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
338 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
339 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
340 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
341 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
342 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
343 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
344 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
345 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
346 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
347 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
348 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
349 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
350 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
351 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
352 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
353 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
354 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
355 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
356 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
357 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
358 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
359 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
360 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
361 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
362 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
363 };
364
365 /* release buttons after a short delay if pressed */
do_sony_laptop_release_key(struct timer_list * unused)366 static void do_sony_laptop_release_key(struct timer_list *unused)
367 {
368 struct sony_laptop_keypress kp;
369 unsigned long flags;
370
371 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
372
373 if (kfifo_out(&sony_laptop_input.fifo,
374 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
375 input_report_key(kp.dev, kp.key, 0);
376 input_sync(kp.dev);
377 }
378
379 /* If there is something in the fifo schedule next release. */
380 if (kfifo_len(&sony_laptop_input.fifo) != 0)
381 mod_timer(&sony_laptop_input.release_key_timer,
382 jiffies + msecs_to_jiffies(10));
383
384 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
385 }
386
387 /* forward event to the input subsystem */
sony_laptop_report_input_event(u8 event)388 static void sony_laptop_report_input_event(u8 event)
389 {
390 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
391 struct input_dev *key_dev = sony_laptop_input.key_dev;
392 struct sony_laptop_keypress kp = { NULL };
393 int scancode = -1;
394
395 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
396 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
397 /* Nothing, not all VAIOs generate this event */
398 return;
399 }
400
401 /* report events */
402 switch (event) {
403 /* jog_dev events */
404 case SONYPI_EVENT_JOGDIAL_UP:
405 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
406 input_report_rel(jog_dev, REL_WHEEL, 1);
407 input_sync(jog_dev);
408 return;
409
410 case SONYPI_EVENT_JOGDIAL_DOWN:
411 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
412 input_report_rel(jog_dev, REL_WHEEL, -1);
413 input_sync(jog_dev);
414 return;
415
416 /* key_dev events */
417 case SONYPI_EVENT_JOGDIAL_PRESSED:
418 kp.key = BTN_MIDDLE;
419 kp.dev = jog_dev;
420 break;
421
422 default:
423 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
424 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
425 break;
426 }
427 if ((scancode = sony_laptop_input_index[event]) != -1) {
428 kp.key = sony_laptop_input_keycode_map[scancode];
429 if (kp.key != KEY_UNKNOWN)
430 kp.dev = key_dev;
431 }
432 break;
433 }
434
435 if (kp.dev) {
436 /* if we have a scancode we emit it so we can always
437 remap the key */
438 if (scancode != -1)
439 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
440 input_report_key(kp.dev, kp.key, 1);
441 input_sync(kp.dev);
442
443 /* schedule key release */
444 kfifo_in_locked(&sony_laptop_input.fifo,
445 (unsigned char *)&kp, sizeof(kp),
446 &sony_laptop_input.fifo_lock);
447 mod_timer(&sony_laptop_input.release_key_timer,
448 jiffies + msecs_to_jiffies(10));
449 } else
450 dprintk("unknown input event %.2x\n", event);
451 }
452
sony_laptop_setup_input(struct acpi_device * acpi_device)453 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
454 {
455 struct input_dev *jog_dev;
456 struct input_dev *key_dev;
457 int i;
458 int error;
459
460 /* don't run again if already initialized */
461 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
462 return 0;
463
464 /* kfifo */
465 spin_lock_init(&sony_laptop_input.fifo_lock);
466 error = kfifo_alloc(&sony_laptop_input.fifo,
467 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
468 if (error) {
469 pr_err("kfifo_alloc failed\n");
470 goto err_dec_users;
471 }
472
473 timer_setup(&sony_laptop_input.release_key_timer,
474 do_sony_laptop_release_key, 0);
475
476 /* input keys */
477 key_dev = input_allocate_device();
478 if (!key_dev) {
479 error = -ENOMEM;
480 goto err_free_kfifo;
481 }
482
483 key_dev->name = "Sony Vaio Keys";
484 key_dev->id.bustype = BUS_ISA;
485 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
486 key_dev->dev.parent = &acpi_device->dev;
487
488 /* Initialize the Input Drivers: special keys */
489 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
490
491 __set_bit(EV_KEY, key_dev->evbit);
492 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
493 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
494 key_dev->keycode = &sony_laptop_input_keycode_map;
495 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
496 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
497 __clear_bit(KEY_RESERVED, key_dev->keybit);
498
499 error = input_register_device(key_dev);
500 if (error)
501 goto err_free_keydev;
502
503 sony_laptop_input.key_dev = key_dev;
504
505 /* jogdial */
506 jog_dev = input_allocate_device();
507 if (!jog_dev) {
508 error = -ENOMEM;
509 goto err_unregister_keydev;
510 }
511
512 jog_dev->name = "Sony Vaio Jogdial";
513 jog_dev->id.bustype = BUS_ISA;
514 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
515 jog_dev->dev.parent = &acpi_device->dev;
516
517 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
518 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
519
520 error = input_register_device(jog_dev);
521 if (error)
522 goto err_free_jogdev;
523
524 sony_laptop_input.jog_dev = jog_dev;
525
526 return 0;
527
528 err_free_jogdev:
529 input_free_device(jog_dev);
530
531 err_unregister_keydev:
532 input_unregister_device(key_dev);
533 /* to avoid kref underflow below at input_free_device */
534 key_dev = NULL;
535
536 err_free_keydev:
537 input_free_device(key_dev);
538
539 err_free_kfifo:
540 kfifo_free(&sony_laptop_input.fifo);
541
542 err_dec_users:
543 atomic_dec(&sony_laptop_input.users);
544 return error;
545 }
546
sony_laptop_remove_input(void)547 static void sony_laptop_remove_input(void)
548 {
549 struct sony_laptop_keypress kp = { NULL };
550
551 /* Cleanup only after the last user has gone */
552 if (!atomic_dec_and_test(&sony_laptop_input.users))
553 return;
554
555 del_timer_sync(&sony_laptop_input.release_key_timer);
556
557 /*
558 * Generate key-up events for remaining keys. Note that we don't
559 * need locking since nobody is adding new events to the kfifo.
560 */
561 while (kfifo_out(&sony_laptop_input.fifo,
562 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
563 input_report_key(kp.dev, kp.key, 0);
564 input_sync(kp.dev);
565 }
566
567 /* destroy input devs */
568 input_unregister_device(sony_laptop_input.key_dev);
569 sony_laptop_input.key_dev = NULL;
570
571 if (sony_laptop_input.jog_dev) {
572 input_unregister_device(sony_laptop_input.jog_dev);
573 sony_laptop_input.jog_dev = NULL;
574 }
575
576 kfifo_free(&sony_laptop_input.fifo);
577 }
578
579 /*********** Platform Device ***********/
580
581 static atomic_t sony_pf_users = ATOMIC_INIT(0);
582 static struct platform_driver sony_pf_driver = {
583 .driver = {
584 .name = "sony-laptop",
585 }
586 };
587 static struct platform_device *sony_pf_device;
588
sony_pf_add(void)589 static 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
sony_pf_remove(void)623 static 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
642 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
643 char *);
644 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
645 const char *, size_t);
646 static int boolean_validate(const int, const int);
647 static int brightness_default_validate(const int, const int);
648
649 struct 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
675 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
676
677 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
678 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
679
680 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
681 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
682
683 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
684 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
685
686 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
687 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
688
689 SNC_HANDLE_NAMES(lidstate_get, "GLID");
690
691 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
692 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
693
694 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
695 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
696
697 SNC_HANDLE_NAMES(PID_get, "GPID");
698
699 SNC_HANDLE_NAMES(CTR_get, "GCTR");
700 SNC_HANDLE_NAMES(CTR_set, "SCTR");
701
702 SNC_HANDLE_NAMES(PCR_get, "GPCR");
703 SNC_HANDLE_NAMES(PCR_set, "SPCR");
704
705 SNC_HANDLE_NAMES(CMI_get, "GCMI");
706 SNC_HANDLE_NAMES(CMI_set, "SCMI");
707
708 static 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
731 static acpi_handle sony_nc_acpi_handle;
732 static 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 */
__call_snc_method(acpi_handle handle,char * method,u64 * value)739 static 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
sony_nc_int_call(acpi_handle handle,char * name,int * value,int * result)774 static 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)
sony_nc_buffer_call(acpi_handle handle,char * name,u64 * value,void * buffer,size_t buflen)802 static 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
830 struct sony_nc_handles {
831 u16 cap[0x10];
832 struct device_attribute devattr;
833 };
834
835 static struct sony_nc_handles *handles;
836
sony_nc_handles_show(struct device * dev,struct device_attribute * attr,char * buffer)837 static 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
sony_nc_handles_setup(struct platform_device * pd)852 static 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
sony_nc_handles_cleanup(struct platform_device * pd)888 static 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
sony_find_snc_handle(int handle)899 static 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
sony_call_snc_handle(int handle,int argument,int * result)918 static 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 */
brightness_default_validate(const int direction,const int value)941 static 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 */
boolean_validate(const int direction,const int value)958 static 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 */
sony_nc_sysfs_show(struct device * dev,struct device_attribute * attr,char * buffer)970 static 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
sony_nc_sysfs_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)991 static 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 */
1029 struct sony_backlight_props {
1030 struct backlight_device *dev;
1031 int handle;
1032 int cmd_base;
1033 u8 offset;
1034 u8 maxlvl;
1035 };
1036 static struct sony_backlight_props sony_bl_props;
1037
sony_backlight_update_status(struct backlight_device * bd)1038 static 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
sony_backlight_get_brightness(struct backlight_device * bd)1044 static 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
sony_nc_get_brightness_ng(struct backlight_device * bd)1054 static 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
sony_nc_update_status_ng(struct backlight_device * bd)1065 static 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
1079 static 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 };
1084 static 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 */
1093 struct sony_nc_event {
1094 u8 data;
1095 u8 event;
1096 };
1097
1098 static 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
1144 static 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
sony_nc_hotkeys_decode(u32 event,unsigned int handle)1162 static 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 */
1198 enum event_types {
1199 HOTKEY = 1,
1200 KILLSWITCH,
1201 GFX_SWITCH
1202 };
sony_nc_notify(struct acpi_device * device,u32 event)1203 static void sony_nc_notify(struct acpi_device *device, u32 event)
1204 {
1205 u32 real_ev = event;
1206 u8 ev_type = 0;
1207 int ret;
1208
1209 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1210
1211 if (event >= 0x90) {
1212 unsigned int result = 0;
1213 unsigned int arg = 0;
1214 unsigned int handle = 0;
1215 unsigned int offset = event - 0x90;
1216
1217 if (offset >= ARRAY_SIZE(handles->cap)) {
1218 pr_err("Event 0x%x outside of capabilities list\n",
1219 event);
1220 return;
1221 }
1222 handle = handles->cap[offset];
1223
1224 /* list of handles known for generating events */
1225 switch (handle) {
1226 /* hotkey event */
1227 case 0x0100:
1228 case 0x0127:
1229 ev_type = HOTKEY;
1230 ret = sony_nc_hotkeys_decode(event, handle);
1231
1232 if (ret > 0) {
1233 sony_laptop_report_input_event(ret);
1234 real_ev = ret;
1235 }
1236
1237 break;
1238
1239 /* wlan switch */
1240 case 0x0124:
1241 case 0x0135:
1242 /* events on this handle are reported when the
1243 * switch changes position or for battery
1244 * events. We'll notify both of them but only
1245 * update the rfkill device status when the
1246 * switch is moved.
1247 */
1248 ev_type = KILLSWITCH;
1249 sony_call_snc_handle(handle, 0x0100, &result);
1250 real_ev = result & 0x03;
1251
1252 /* hw switch event */
1253 if (real_ev == 1)
1254 sony_nc_rfkill_update();
1255
1256 break;
1257
1258 case 0x0128:
1259 case 0x0146:
1260 /* Hybrid GFX switching */
1261 sony_call_snc_handle(handle, 0x0000, &result);
1262 dprintk("GFX switch event received (reason: %s)\n",
1263 (result == 0x1) ? "switch change" :
1264 (result == 0x2) ? "output switch" :
1265 (result == 0x3) ? "output switch" :
1266 "");
1267
1268 ev_type = GFX_SWITCH;
1269 real_ev = __sony_nc_gfx_switch_status_get();
1270 break;
1271
1272 case 0x015B:
1273 /* Hybrid GFX switching SVS151290S */
1274 ev_type = GFX_SWITCH;
1275 real_ev = __sony_nc_gfx_switch_status_get();
1276 break;
1277 default:
1278 dprintk("Unknown event 0x%x for handle 0x%x\n",
1279 event, handle);
1280 break;
1281 }
1282
1283 /* clear the event (and the event reason when present) */
1284 arg = 1 << offset;
1285 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1286
1287 } else {
1288 /* old style event */
1289 ev_type = HOTKEY;
1290 sony_laptop_report_input_event(real_ev);
1291 }
1292 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1293 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1294 }
1295
sony_walk_callback(acpi_handle handle,u32 level,void * context,void ** return_value)1296 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1297 void *context, void **return_value)
1298 {
1299 struct acpi_device_info *info;
1300
1301 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1302 pr_warn("method: name: %4.4s, args %X\n",
1303 (char *)&info->name, info->param_count);
1304
1305 kfree(info);
1306 }
1307
1308 return AE_OK;
1309 }
1310
1311 /*
1312 * ACPI device
1313 */
sony_nc_function_setup(struct acpi_device * device,struct platform_device * pf_device)1314 static void sony_nc_function_setup(struct acpi_device *device,
1315 struct platform_device *pf_device)
1316 {
1317 unsigned int i, result, bitmask, arg;
1318
1319 if (!handles)
1320 return;
1321
1322 /* setup found handles here */
1323 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1324 unsigned int handle = handles->cap[i];
1325
1326 if (!handle)
1327 continue;
1328
1329 dprintk("setting up handle 0x%.4x\n", handle);
1330
1331 switch (handle) {
1332 case 0x0100:
1333 case 0x0101:
1334 case 0x0127:
1335 /* setup hotkeys */
1336 sony_call_snc_handle(handle, 0, &result);
1337 break;
1338 case 0x0102:
1339 /* setup hotkeys */
1340 sony_call_snc_handle(handle, 0x100, &result);
1341 break;
1342 case 0x0105:
1343 case 0x0148:
1344 /* touchpad enable/disable */
1345 result = sony_nc_touchpad_setup(pf_device, handle);
1346 if (result)
1347 pr_err("couldn't set up touchpad control function (%d)\n",
1348 result);
1349 break;
1350 case 0x0115:
1351 case 0x0136:
1352 case 0x013f:
1353 result = sony_nc_battery_care_setup(pf_device, handle);
1354 if (result)
1355 pr_err("couldn't set up battery care function (%d)\n",
1356 result);
1357 break;
1358 case 0x0119:
1359 case 0x015D:
1360 result = sony_nc_lid_resume_setup(pf_device, handle);
1361 if (result)
1362 pr_err("couldn't set up lid resume function (%d)\n",
1363 result);
1364 break;
1365 case 0x0122:
1366 result = sony_nc_thermal_setup(pf_device);
1367 if (result)
1368 pr_err("couldn't set up thermal profile function (%d)\n",
1369 result);
1370 break;
1371 case 0x0128:
1372 case 0x0146:
1373 case 0x015B:
1374 result = sony_nc_gfx_switch_setup(pf_device, handle);
1375 if (result)
1376 pr_err("couldn't set up GFX Switch status (%d)\n",
1377 result);
1378 break;
1379 case 0x0131:
1380 result = sony_nc_highspeed_charging_setup(pf_device);
1381 if (result)
1382 pr_err("couldn't set up high speed charging function (%d)\n",
1383 result);
1384 break;
1385 case 0x0124:
1386 case 0x0135:
1387 result = sony_nc_rfkill_setup(device, handle);
1388 if (result)
1389 pr_err("couldn't set up rfkill support (%d)\n",
1390 result);
1391 break;
1392 case 0x0137:
1393 case 0x0143:
1394 case 0x014b:
1395 case 0x014c:
1396 case 0x0153:
1397 case 0x0163:
1398 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1399 if (result)
1400 pr_err("couldn't set up keyboard backlight function (%d)\n",
1401 result);
1402 break;
1403 case 0x0121:
1404 result = sony_nc_lowbatt_setup(pf_device);
1405 if (result)
1406 pr_err("couldn't set up low battery function (%d)\n",
1407 result);
1408 break;
1409 case 0x0149:
1410 result = sony_nc_fanspeed_setup(pf_device);
1411 if (result)
1412 pr_err("couldn't set up fan speed function (%d)\n",
1413 result);
1414 break;
1415 case 0x0155:
1416 result = sony_nc_usb_charge_setup(pf_device);
1417 if (result)
1418 pr_err("couldn't set up USB charge support (%d)\n",
1419 result);
1420 break;
1421 case 0x011D:
1422 result = sony_nc_panelid_setup(pf_device);
1423 if (result)
1424 pr_err("couldn't set up panel ID function (%d)\n",
1425 result);
1426 break;
1427 case 0x0168:
1428 result = sony_nc_smart_conn_setup(pf_device);
1429 if (result)
1430 pr_err("couldn't set up smart connect support (%d)\n",
1431 result);
1432 break;
1433 default:
1434 continue;
1435 }
1436 }
1437
1438 /* Enable all events */
1439 arg = 0x10;
1440 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1441 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1442 &result);
1443 }
1444
sony_nc_function_cleanup(struct platform_device * pd)1445 static void sony_nc_function_cleanup(struct platform_device *pd)
1446 {
1447 unsigned int i, result, bitmask, handle;
1448
1449 if (!handles)
1450 return;
1451
1452 /* get enabled events and disable them */
1453 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1454 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1455
1456 /* cleanup handles here */
1457 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1458
1459 handle = handles->cap[i];
1460
1461 if (!handle)
1462 continue;
1463
1464 switch (handle) {
1465 case 0x0105:
1466 case 0x0148:
1467 sony_nc_touchpad_cleanup(pd);
1468 break;
1469 case 0x0115:
1470 case 0x0136:
1471 case 0x013f:
1472 sony_nc_battery_care_cleanup(pd);
1473 break;
1474 case 0x0119:
1475 case 0x015D:
1476 sony_nc_lid_resume_cleanup(pd);
1477 break;
1478 case 0x0122:
1479 sony_nc_thermal_cleanup(pd);
1480 break;
1481 case 0x0128:
1482 case 0x0146:
1483 case 0x015B:
1484 sony_nc_gfx_switch_cleanup(pd);
1485 break;
1486 case 0x0131:
1487 sony_nc_highspeed_charging_cleanup(pd);
1488 break;
1489 case 0x0124:
1490 case 0x0135:
1491 sony_nc_rfkill_cleanup();
1492 break;
1493 case 0x0137:
1494 case 0x0143:
1495 case 0x014b:
1496 case 0x014c:
1497 case 0x0153:
1498 case 0x0163:
1499 sony_nc_kbd_backlight_cleanup(pd, handle);
1500 break;
1501 case 0x0121:
1502 sony_nc_lowbatt_cleanup(pd);
1503 break;
1504 case 0x0149:
1505 sony_nc_fanspeed_cleanup(pd);
1506 break;
1507 case 0x0155:
1508 sony_nc_usb_charge_cleanup(pd);
1509 break;
1510 case 0x011D:
1511 sony_nc_panelid_cleanup(pd);
1512 break;
1513 case 0x0168:
1514 sony_nc_smart_conn_cleanup(pd);
1515 break;
1516 default:
1517 continue;
1518 }
1519 }
1520
1521 /* finally cleanup the handles list */
1522 sony_nc_handles_cleanup(pd);
1523 }
1524
1525 #ifdef CONFIG_PM_SLEEP
sony_nc_function_resume(void)1526 static void sony_nc_function_resume(void)
1527 {
1528 unsigned int i, result, bitmask, arg;
1529
1530 dprintk("Resuming SNC device\n");
1531
1532 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1533 unsigned int handle = handles->cap[i];
1534
1535 if (!handle)
1536 continue;
1537
1538 switch (handle) {
1539 case 0x0100:
1540 case 0x0101:
1541 case 0x0127:
1542 /* re-enable hotkeys */
1543 sony_call_snc_handle(handle, 0, &result);
1544 break;
1545 case 0x0102:
1546 /* re-enable hotkeys */
1547 sony_call_snc_handle(handle, 0x100, &result);
1548 break;
1549 case 0x0122:
1550 sony_nc_thermal_resume();
1551 break;
1552 case 0x0124:
1553 case 0x0135:
1554 sony_nc_rfkill_update();
1555 break;
1556 default:
1557 continue;
1558 }
1559 }
1560
1561 /* Enable all events */
1562 arg = 0x10;
1563 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1564 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1565 &result);
1566 }
1567
sony_nc_resume(struct device * dev)1568 static int sony_nc_resume(struct device *dev)
1569 {
1570 struct sony_nc_value *item;
1571
1572 for (item = sony_nc_values; item->name; item++) {
1573 int ret;
1574
1575 if (!item->valid)
1576 continue;
1577 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1578 &item->value, NULL);
1579 if (ret < 0) {
1580 pr_err("%s: %d\n", __func__, ret);
1581 break;
1582 }
1583 }
1584
1585 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1586 int arg = 1;
1587 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1588 dprintk("ECON Method failed\n");
1589 }
1590
1591 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1592 sony_nc_function_resume();
1593
1594 return 0;
1595 }
1596 #endif
1597
1598 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1599
sony_nc_rfkill_cleanup(void)1600 static void sony_nc_rfkill_cleanup(void)
1601 {
1602 int i;
1603
1604 for (i = 0; i < N_SONY_RFKILL; i++) {
1605 if (sony_rfkill_devices[i]) {
1606 rfkill_unregister(sony_rfkill_devices[i]);
1607 rfkill_destroy(sony_rfkill_devices[i]);
1608 }
1609 }
1610 }
1611
sony_nc_rfkill_set(void * data,bool blocked)1612 static int sony_nc_rfkill_set(void *data, bool blocked)
1613 {
1614 int result;
1615 int argument = sony_rfkill_address[(long) data] + 0x100;
1616
1617 if (!blocked)
1618 argument |= 0x070000;
1619
1620 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1621 }
1622
1623 static const struct rfkill_ops sony_rfkill_ops = {
1624 .set_block = sony_nc_rfkill_set,
1625 };
1626
sony_nc_setup_rfkill(struct acpi_device * device,enum sony_nc_rfkill nc_type)1627 static int sony_nc_setup_rfkill(struct acpi_device *device,
1628 enum sony_nc_rfkill nc_type)
1629 {
1630 int err;
1631 struct rfkill *rfk;
1632 enum rfkill_type type;
1633 const char *name;
1634 int result;
1635 bool hwblock, swblock;
1636
1637 switch (nc_type) {
1638 case SONY_WIFI:
1639 type = RFKILL_TYPE_WLAN;
1640 name = "sony-wifi";
1641 break;
1642 case SONY_BLUETOOTH:
1643 type = RFKILL_TYPE_BLUETOOTH;
1644 name = "sony-bluetooth";
1645 break;
1646 case SONY_WWAN:
1647 type = RFKILL_TYPE_WWAN;
1648 name = "sony-wwan";
1649 break;
1650 case SONY_WIMAX:
1651 type = RFKILL_TYPE_WIMAX;
1652 name = "sony-wimax";
1653 break;
1654 default:
1655 return -EINVAL;
1656 }
1657
1658 rfk = rfkill_alloc(name, &device->dev, type,
1659 &sony_rfkill_ops, (void *)nc_type);
1660 if (!rfk)
1661 return -ENOMEM;
1662
1663 err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1664 if (err < 0) {
1665 rfkill_destroy(rfk);
1666 return err;
1667 }
1668 hwblock = !(result & 0x1);
1669
1670 err = sony_call_snc_handle(sony_rfkill_handle,
1671 sony_rfkill_address[nc_type],
1672 &result);
1673 if (err < 0) {
1674 rfkill_destroy(rfk);
1675 return err;
1676 }
1677 swblock = !(result & 0x2);
1678
1679 rfkill_init_sw_state(rfk, swblock);
1680 rfkill_set_hw_state(rfk, hwblock);
1681
1682 err = rfkill_register(rfk);
1683 if (err) {
1684 rfkill_destroy(rfk);
1685 return err;
1686 }
1687 sony_rfkill_devices[nc_type] = rfk;
1688 return err;
1689 }
1690
sony_nc_rfkill_update(void)1691 static void sony_nc_rfkill_update(void)
1692 {
1693 enum sony_nc_rfkill i;
1694 int result;
1695 bool hwblock;
1696
1697 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1698 hwblock = !(result & 0x1);
1699
1700 for (i = 0; i < N_SONY_RFKILL; i++) {
1701 int argument = sony_rfkill_address[i];
1702
1703 if (!sony_rfkill_devices[i])
1704 continue;
1705
1706 if (hwblock) {
1707 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1708 /* we already know we're blocked */
1709 }
1710 continue;
1711 }
1712
1713 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1714 rfkill_set_states(sony_rfkill_devices[i],
1715 !(result & 0x2), false);
1716 }
1717 }
1718
sony_nc_rfkill_setup(struct acpi_device * device,unsigned int handle)1719 static int sony_nc_rfkill_setup(struct acpi_device *device,
1720 unsigned int handle)
1721 {
1722 u64 offset;
1723 int i;
1724 unsigned char buffer[32] = { 0 };
1725
1726 offset = sony_find_snc_handle(handle);
1727 sony_rfkill_handle = handle;
1728
1729 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1730 32);
1731 if (i < 0)
1732 return i;
1733
1734 /* The buffer is filled with magic numbers describing the devices
1735 * available, 0xff terminates the enumeration.
1736 * Known codes:
1737 * 0x00 WLAN
1738 * 0x10 BLUETOOTH
1739 * 0x20 WWAN GPRS-EDGE
1740 * 0x21 WWAN HSDPA
1741 * 0x22 WWAN EV-DO
1742 * 0x23 WWAN GPS
1743 * 0x25 Gobi WWAN no GPS
1744 * 0x26 Gobi WWAN + GPS
1745 * 0x28 Gobi WWAN no GPS
1746 * 0x29 Gobi WWAN + GPS
1747 * 0x30 WIMAX
1748 * 0x50 Gobi WWAN no GPS
1749 * 0x51 Gobi WWAN + GPS
1750 * 0x70 no SIM card slot
1751 * 0x71 SIM card slot
1752 */
1753 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1754
1755 if (buffer[i] == 0xff)
1756 break;
1757
1758 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1759
1760 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1761 sony_nc_setup_rfkill(device, SONY_WIFI);
1762
1763 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1764 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1765
1766 if (((0xf0 & buffer[i]) == 0x20 ||
1767 (0xf0 & buffer[i]) == 0x50) &&
1768 !sony_rfkill_devices[SONY_WWAN])
1769 sony_nc_setup_rfkill(device, SONY_WWAN);
1770
1771 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1772 sony_nc_setup_rfkill(device, SONY_WIMAX);
1773 }
1774 return 0;
1775 }
1776
1777 /* Keyboard backlight feature */
1778 struct kbd_backlight {
1779 unsigned int handle;
1780 unsigned int base;
1781 unsigned int mode;
1782 unsigned int timeout;
1783 unsigned int has_timeout;
1784 struct device_attribute mode_attr;
1785 struct device_attribute timeout_attr;
1786 };
1787
1788 static struct kbd_backlight *kbdbl_ctl;
1789
__sony_nc_kbd_backlight_mode_set(u8 value)1790 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1791 {
1792 int result;
1793
1794 if (value > 2)
1795 return -EINVAL;
1796
1797 if (sony_call_snc_handle(kbdbl_ctl->handle,
1798 (value << 0x10) | (kbdbl_ctl->base), &result))
1799 return -EIO;
1800
1801 /* Try to turn the light on/off immediately */
1802 if (value != 1)
1803 sony_call_snc_handle(kbdbl_ctl->handle,
1804 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1805 &result);
1806
1807 kbdbl_ctl->mode = value;
1808
1809 return 0;
1810 }
1811
sony_nc_kbd_backlight_mode_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)1812 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1813 struct device_attribute *attr,
1814 const char *buffer, size_t count)
1815 {
1816 int ret = 0;
1817 unsigned long value;
1818
1819 if (count > 31)
1820 return -EINVAL;
1821
1822 if (kstrtoul(buffer, 10, &value))
1823 return -EINVAL;
1824
1825 ret = __sony_nc_kbd_backlight_mode_set(value);
1826 if (ret < 0)
1827 return ret;
1828
1829 return count;
1830 }
1831
sony_nc_kbd_backlight_mode_show(struct device * dev,struct device_attribute * attr,char * buffer)1832 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1833 struct device_attribute *attr, char *buffer)
1834 {
1835 ssize_t count = 0;
1836 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1837 return count;
1838 }
1839
__sony_nc_kbd_backlight_timeout_set(u8 value)1840 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1841 {
1842 int result;
1843
1844 if (value > 3)
1845 return -EINVAL;
1846
1847 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1848 (kbdbl_ctl->base + 0x200), &result))
1849 return -EIO;
1850
1851 kbdbl_ctl->timeout = value;
1852
1853 return 0;
1854 }
1855
sony_nc_kbd_backlight_timeout_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)1856 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1857 struct device_attribute *attr,
1858 const char *buffer, size_t count)
1859 {
1860 int ret = 0;
1861 unsigned long value;
1862
1863 if (count > 31)
1864 return -EINVAL;
1865
1866 if (kstrtoul(buffer, 10, &value))
1867 return -EINVAL;
1868
1869 ret = __sony_nc_kbd_backlight_timeout_set(value);
1870 if (ret < 0)
1871 return ret;
1872
1873 return count;
1874 }
1875
sony_nc_kbd_backlight_timeout_show(struct device * dev,struct device_attribute * attr,char * buffer)1876 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1877 struct device_attribute *attr, char *buffer)
1878 {
1879 ssize_t count = 0;
1880 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1881 return count;
1882 }
1883
sony_nc_kbd_backlight_setup(struct platform_device * pd,unsigned int handle)1884 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1885 unsigned int handle)
1886 {
1887 int result;
1888 int probe_base = 0;
1889 int ctl_base = 0;
1890 int ret = 0;
1891
1892 if (kbdbl_ctl) {
1893 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1894 handle, kbdbl_ctl->handle);
1895 return -EBUSY;
1896 }
1897
1898 /* verify the kbd backlight presence, some of these handles are not used
1899 * for keyboard backlight only
1900 */
1901 switch (handle) {
1902 case 0x0153:
1903 probe_base = 0x0;
1904 ctl_base = 0x0;
1905 break;
1906 case 0x0137:
1907 probe_base = 0x0B00;
1908 ctl_base = 0x0C00;
1909 break;
1910 default:
1911 probe_base = 0x0100;
1912 ctl_base = 0x4000;
1913 break;
1914 }
1915
1916 ret = sony_call_snc_handle(handle, probe_base, &result);
1917 if (ret)
1918 return ret;
1919
1920 if ((handle == 0x0137 && !(result & 0x02)) ||
1921 !(result & 0x01)) {
1922 dprintk("no backlight keyboard found\n");
1923 return 0;
1924 }
1925
1926 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1927 if (!kbdbl_ctl)
1928 return -ENOMEM;
1929
1930 kbdbl_ctl->mode = kbd_backlight;
1931 kbdbl_ctl->timeout = kbd_backlight_timeout;
1932 kbdbl_ctl->handle = handle;
1933 kbdbl_ctl->base = ctl_base;
1934 /* Some models do not allow timeout control */
1935 kbdbl_ctl->has_timeout = handle != 0x0153;
1936
1937 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1938 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1939 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1940 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1941 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1942
1943 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1944 if (ret)
1945 goto outkzalloc;
1946
1947 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1948
1949 if (kbdbl_ctl->has_timeout) {
1950 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1951 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1952 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1953 kbdbl_ctl->timeout_attr.show =
1954 sony_nc_kbd_backlight_timeout_show;
1955 kbdbl_ctl->timeout_attr.store =
1956 sony_nc_kbd_backlight_timeout_store;
1957
1958 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1959 if (ret)
1960 goto outmode;
1961
1962 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1963 }
1964
1965
1966 return 0;
1967
1968 outmode:
1969 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1970 outkzalloc:
1971 kfree(kbdbl_ctl);
1972 kbdbl_ctl = NULL;
1973 return ret;
1974 }
1975
sony_nc_kbd_backlight_cleanup(struct platform_device * pd,unsigned int handle)1976 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1977 unsigned int handle)
1978 {
1979 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1980 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1981 if (kbdbl_ctl->has_timeout)
1982 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1983 kfree(kbdbl_ctl);
1984 kbdbl_ctl = NULL;
1985 }
1986 }
1987
1988 struct battery_care_control {
1989 struct device_attribute attrs[2];
1990 unsigned int handle;
1991 };
1992 static struct battery_care_control *bcare_ctl;
1993
sony_nc_battery_care_limit_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)1994 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1995 struct device_attribute *attr,
1996 const char *buffer, size_t count)
1997 {
1998 unsigned int result, cmd;
1999 unsigned long value;
2000
2001 if (count > 31)
2002 return -EINVAL;
2003
2004 if (kstrtoul(buffer, 10, &value))
2005 return -EINVAL;
2006
2007 /* limit values (2 bits):
2008 * 00 - none
2009 * 01 - 80%
2010 * 10 - 50%
2011 * 11 - 100%
2012 *
2013 * bit 0: 0 disable BCL, 1 enable BCL
2014 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
2015 * bits 2,3: reserved
2016 * bits 4,5: store the limit into the EC
2017 * bits 6,7: store the limit into the battery
2018 */
2019 cmd = 0;
2020
2021 if (value > 0) {
2022 if (value <= 50)
2023 cmd = 0x20;
2024
2025 else if (value <= 80)
2026 cmd = 0x10;
2027
2028 else if (value <= 100)
2029 cmd = 0x30;
2030
2031 else
2032 return -EINVAL;
2033
2034 /*
2035 * handle 0x0115 should allow storing on battery too;
2036 * handle 0x0136 same as 0x0115 + health status;
2037 * handle 0x013f, same as 0x0136 but no storing on the battery
2038 */
2039 if (bcare_ctl->handle != 0x013f)
2040 cmd = cmd | (cmd << 2);
2041
2042 cmd = (cmd | 0x1) << 0x10;
2043 }
2044
2045 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2046 return -EIO;
2047
2048 return count;
2049 }
2050
sony_nc_battery_care_limit_show(struct device * dev,struct device_attribute * attr,char * buffer)2051 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2052 struct device_attribute *attr, char *buffer)
2053 {
2054 unsigned int result, status;
2055
2056 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2057 return -EIO;
2058
2059 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2060 switch (status) {
2061 case 1:
2062 status = 80;
2063 break;
2064 case 2:
2065 status = 50;
2066 break;
2067 case 3:
2068 status = 100;
2069 break;
2070 default:
2071 status = 0;
2072 break;
2073 }
2074
2075 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2076 }
2077
sony_nc_battery_care_health_show(struct device * dev,struct device_attribute * attr,char * buffer)2078 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2079 struct device_attribute *attr, char *buffer)
2080 {
2081 ssize_t count = 0;
2082 unsigned int health;
2083
2084 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2085 return -EIO;
2086
2087 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2088
2089 return count;
2090 }
2091
sony_nc_battery_care_setup(struct platform_device * pd,unsigned int handle)2092 static int sony_nc_battery_care_setup(struct platform_device *pd,
2093 unsigned int handle)
2094 {
2095 int ret = 0;
2096
2097 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2098 if (!bcare_ctl)
2099 return -ENOMEM;
2100
2101 bcare_ctl->handle = handle;
2102
2103 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2104 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2105 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2106 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2107 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2108
2109 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2110 if (ret)
2111 goto outkzalloc;
2112
2113 /* 0x0115 is for models with no health reporting capability */
2114 if (handle == 0x0115)
2115 return 0;
2116
2117 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2118 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2119 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2120 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2121
2122 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2123 if (ret)
2124 goto outlimiter;
2125
2126 return 0;
2127
2128 outlimiter:
2129 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2130
2131 outkzalloc:
2132 kfree(bcare_ctl);
2133 bcare_ctl = NULL;
2134
2135 return ret;
2136 }
2137
sony_nc_battery_care_cleanup(struct platform_device * pd)2138 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2139 {
2140 if (bcare_ctl) {
2141 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2142 if (bcare_ctl->handle != 0x0115)
2143 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2144
2145 kfree(bcare_ctl);
2146 bcare_ctl = NULL;
2147 }
2148 }
2149
2150 struct snc_thermal_ctrl {
2151 unsigned int mode;
2152 unsigned int profiles;
2153 struct device_attribute mode_attr;
2154 struct device_attribute profiles_attr;
2155 };
2156 static struct snc_thermal_ctrl *th_handle;
2157
2158 #define THM_PROFILE_MAX 3
2159 static const char * const snc_thermal_profiles[] = {
2160 "balanced",
2161 "silent",
2162 "performance"
2163 };
2164
sony_nc_thermal_mode_set(unsigned short mode)2165 static int sony_nc_thermal_mode_set(unsigned short mode)
2166 {
2167 unsigned int result;
2168
2169 /* the thermal profile seems to be a two bit bitmask:
2170 * lsb -> silent
2171 * msb -> performance
2172 * no bit set is the normal operation and is always valid
2173 * Some vaio models only have "balanced" and "performance"
2174 */
2175 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2176 return -EINVAL;
2177
2178 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2179 return -EIO;
2180
2181 th_handle->mode = mode;
2182
2183 return 0;
2184 }
2185
sony_nc_thermal_mode_get(void)2186 static int sony_nc_thermal_mode_get(void)
2187 {
2188 unsigned int result;
2189
2190 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2191 return -EIO;
2192
2193 return result & 0xff;
2194 }
2195
sony_nc_thermal_profiles_show(struct device * dev,struct device_attribute * attr,char * buffer)2196 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2197 struct device_attribute *attr, char *buffer)
2198 {
2199 short cnt;
2200 size_t idx = 0;
2201
2202 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2203 if (!cnt || (th_handle->profiles & cnt))
2204 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2205 snc_thermal_profiles[cnt]);
2206 }
2207 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2208
2209 return idx;
2210 }
2211
sony_nc_thermal_mode_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)2212 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2213 struct device_attribute *attr,
2214 const char *buffer, size_t count)
2215 {
2216 unsigned short cmd;
2217 size_t len = count;
2218
2219 if (count == 0)
2220 return -EINVAL;
2221
2222 /* skip the newline if present */
2223 if (buffer[len - 1] == '\n')
2224 len--;
2225
2226 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2227 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2228 break;
2229
2230 if (sony_nc_thermal_mode_set(cmd))
2231 return -EIO;
2232
2233 return count;
2234 }
2235
sony_nc_thermal_mode_show(struct device * dev,struct device_attribute * attr,char * buffer)2236 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2237 struct device_attribute *attr, char *buffer)
2238 {
2239 ssize_t count = 0;
2240 int mode = sony_nc_thermal_mode_get();
2241
2242 if (mode < 0)
2243 return mode;
2244
2245 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2246
2247 return count;
2248 }
2249
sony_nc_thermal_setup(struct platform_device * pd)2250 static int sony_nc_thermal_setup(struct platform_device *pd)
2251 {
2252 int ret = 0;
2253 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2254 if (!th_handle)
2255 return -ENOMEM;
2256
2257 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2258 if (ret) {
2259 pr_warn("couldn't to read the thermal profiles\n");
2260 goto outkzalloc;
2261 }
2262
2263 ret = sony_nc_thermal_mode_get();
2264 if (ret < 0) {
2265 pr_warn("couldn't to read the current thermal profile");
2266 goto outkzalloc;
2267 }
2268 th_handle->mode = ret;
2269
2270 sysfs_attr_init(&th_handle->profiles_attr.attr);
2271 th_handle->profiles_attr.attr.name = "thermal_profiles";
2272 th_handle->profiles_attr.attr.mode = S_IRUGO;
2273 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2274
2275 sysfs_attr_init(&th_handle->mode_attr.attr);
2276 th_handle->mode_attr.attr.name = "thermal_control";
2277 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2278 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2279 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2280
2281 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2282 if (ret)
2283 goto outkzalloc;
2284
2285 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2286 if (ret)
2287 goto outprofiles;
2288
2289 return 0;
2290
2291 outprofiles:
2292 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2293 outkzalloc:
2294 kfree(th_handle);
2295 th_handle = NULL;
2296 return ret;
2297 }
2298
sony_nc_thermal_cleanup(struct platform_device * pd)2299 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2300 {
2301 if (th_handle) {
2302 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2303 device_remove_file(&pd->dev, &th_handle->mode_attr);
2304 kfree(th_handle);
2305 th_handle = NULL;
2306 }
2307 }
2308
2309 #ifdef CONFIG_PM_SLEEP
sony_nc_thermal_resume(void)2310 static void sony_nc_thermal_resume(void)
2311 {
2312 unsigned int status = sony_nc_thermal_mode_get();
2313
2314 if (status != th_handle->mode)
2315 sony_nc_thermal_mode_set(th_handle->mode);
2316 }
2317 #endif
2318
2319 /* resume on LID open */
2320 #define LID_RESUME_S5 0
2321 #define LID_RESUME_S4 1
2322 #define LID_RESUME_S3 2
2323 #define LID_RESUME_MAX 3
2324 struct snc_lid_resume_control {
2325 struct device_attribute attrs[LID_RESUME_MAX];
2326 unsigned int status;
2327 int handle;
2328 };
2329 static struct snc_lid_resume_control *lid_ctl;
2330
sony_nc_lid_resume_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)2331 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2332 struct device_attribute *attr,
2333 const char *buffer, size_t count)
2334 {
2335 unsigned int result;
2336 unsigned long value;
2337 unsigned int pos = LID_RESUME_S5;
2338 if (count > 31)
2339 return -EINVAL;
2340
2341 if (kstrtoul(buffer, 10, &value) || value > 1)
2342 return -EINVAL;
2343
2344 /* the value we have to write to SNC is a bitmask:
2345 * +--------------+
2346 * | S3 | S4 | S5 |
2347 * +--------------+
2348 * 2 1 0
2349 */
2350 while (pos < LID_RESUME_MAX) {
2351 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2352 break;
2353 pos++;
2354 }
2355 if (pos == LID_RESUME_MAX)
2356 return -EINVAL;
2357
2358 if (value)
2359 value = lid_ctl->status | (1 << pos);
2360 else
2361 value = lid_ctl->status & ~(1 << pos);
2362
2363 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2364 &result))
2365 return -EIO;
2366
2367 lid_ctl->status = value;
2368
2369 return count;
2370 }
2371
sony_nc_lid_resume_show(struct device * dev,struct device_attribute * attr,char * buffer)2372 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2373 struct device_attribute *attr,
2374 char *buffer)
2375 {
2376 unsigned int pos = LID_RESUME_S5;
2377
2378 while (pos < LID_RESUME_MAX) {
2379 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2380 return snprintf(buffer, PAGE_SIZE, "%d\n",
2381 (lid_ctl->status >> pos) & 0x01);
2382 pos++;
2383 }
2384 return -EINVAL;
2385 }
2386
sony_nc_lid_resume_setup(struct platform_device * pd,unsigned int handle)2387 static int sony_nc_lid_resume_setup(struct platform_device *pd,
2388 unsigned int handle)
2389 {
2390 unsigned int result;
2391 int i;
2392
2393 if (sony_call_snc_handle(handle, 0x0000, &result))
2394 return -EIO;
2395
2396 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2397 if (!lid_ctl)
2398 return -ENOMEM;
2399
2400 lid_ctl->status = result & 0x7;
2401 lid_ctl->handle = handle;
2402
2403 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2404 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2405 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2406 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2407 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2408
2409 if (handle == 0x0119) {
2410 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2411 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2412 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2413 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2414 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2415
2416 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2417 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2418 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2419 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2420 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2421 }
2422 for (i = 0; i < LID_RESUME_MAX &&
2423 lid_ctl->attrs[i].attr.name; i++) {
2424 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2425 if (result)
2426 goto liderror;
2427 }
2428
2429 return 0;
2430
2431 liderror:
2432 for (i--; i >= 0; i--)
2433 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2434
2435 kfree(lid_ctl);
2436 lid_ctl = NULL;
2437
2438 return result;
2439 }
2440
sony_nc_lid_resume_cleanup(struct platform_device * pd)2441 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2442 {
2443 int i;
2444
2445 if (lid_ctl) {
2446 for (i = 0; i < LID_RESUME_MAX; i++) {
2447 if (!lid_ctl->attrs[i].attr.name)
2448 break;
2449
2450 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2451 }
2452
2453 kfree(lid_ctl);
2454 lid_ctl = NULL;
2455 }
2456 }
2457
2458 /* GFX Switch position */
2459 enum gfx_switch {
2460 SPEED,
2461 STAMINA,
2462 AUTO
2463 };
2464 struct snc_gfx_switch_control {
2465 struct device_attribute attr;
2466 unsigned int handle;
2467 };
2468 static struct snc_gfx_switch_control *gfxs_ctl;
2469
2470 /* returns 0 for speed, 1 for stamina */
__sony_nc_gfx_switch_status_get(void)2471 static int __sony_nc_gfx_switch_status_get(void)
2472 {
2473 unsigned int result;
2474
2475 if (sony_call_snc_handle(gfxs_ctl->handle,
2476 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2477 &result))
2478 return -EIO;
2479
2480 switch (gfxs_ctl->handle) {
2481 case 0x0146:
2482 /* 1: discrete GFX (speed)
2483 * 0: integrated GFX (stamina)
2484 */
2485 return result & 0x1 ? SPEED : STAMINA;
2486 break;
2487 case 0x015B:
2488 /* 0: discrete GFX (speed)
2489 * 1: integrated GFX (stamina)
2490 */
2491 return result & 0x1 ? STAMINA : SPEED;
2492 break;
2493 case 0x0128:
2494 /* it's a more elaborated bitmask, for now:
2495 * 2: integrated GFX (stamina)
2496 * 0: discrete GFX (speed)
2497 */
2498 dprintk("GFX Status: 0x%x\n", result);
2499 return result & 0x80 ? AUTO :
2500 result & 0x02 ? STAMINA : SPEED;
2501 break;
2502 }
2503 return -EINVAL;
2504 }
2505
sony_nc_gfx_switch_status_show(struct device * dev,struct device_attribute * attr,char * buffer)2506 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2507 struct device_attribute *attr,
2508 char *buffer)
2509 {
2510 int pos = __sony_nc_gfx_switch_status_get();
2511
2512 if (pos < 0)
2513 return pos;
2514
2515 return snprintf(buffer, PAGE_SIZE, "%s\n",
2516 pos == SPEED ? "speed" :
2517 pos == STAMINA ? "stamina" :
2518 pos == AUTO ? "auto" : "unknown");
2519 }
2520
sony_nc_gfx_switch_setup(struct platform_device * pd,unsigned int handle)2521 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2522 unsigned int handle)
2523 {
2524 unsigned int result;
2525
2526 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2527 if (!gfxs_ctl)
2528 return -ENOMEM;
2529
2530 gfxs_ctl->handle = handle;
2531
2532 sysfs_attr_init(&gfxs_ctl->attr.attr);
2533 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2534 gfxs_ctl->attr.attr.mode = S_IRUGO;
2535 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2536
2537 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2538 if (result)
2539 goto gfxerror;
2540
2541 return 0;
2542
2543 gfxerror:
2544 kfree(gfxs_ctl);
2545 gfxs_ctl = NULL;
2546
2547 return result;
2548 }
2549
sony_nc_gfx_switch_cleanup(struct platform_device * pd)2550 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2551 {
2552 if (gfxs_ctl) {
2553 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2554
2555 kfree(gfxs_ctl);
2556 gfxs_ctl = NULL;
2557 }
2558 }
2559
2560 /* High speed charging function */
2561 static struct device_attribute *hsc_handle;
2562
sony_nc_highspeed_charging_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)2563 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2564 struct device_attribute *attr,
2565 const char *buffer, size_t count)
2566 {
2567 unsigned int result;
2568 unsigned long value;
2569
2570 if (count > 31)
2571 return -EINVAL;
2572
2573 if (kstrtoul(buffer, 10, &value) || value > 1)
2574 return -EINVAL;
2575
2576 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2577 return -EIO;
2578
2579 return count;
2580 }
2581
sony_nc_highspeed_charging_show(struct device * dev,struct device_attribute * attr,char * buffer)2582 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2583 struct device_attribute *attr, char *buffer)
2584 {
2585 unsigned int result;
2586
2587 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2588 return -EIO;
2589
2590 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2591 }
2592
sony_nc_highspeed_charging_setup(struct platform_device * pd)2593 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2594 {
2595 unsigned int result;
2596
2597 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2598 /* some models advertise the handle but have no implementation
2599 * for it
2600 */
2601 pr_info("No High Speed Charging capability found\n");
2602 return 0;
2603 }
2604
2605 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2606 if (!hsc_handle)
2607 return -ENOMEM;
2608
2609 sysfs_attr_init(&hsc_handle->attr);
2610 hsc_handle->attr.name = "battery_highspeed_charging";
2611 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2612 hsc_handle->show = sony_nc_highspeed_charging_show;
2613 hsc_handle->store = sony_nc_highspeed_charging_store;
2614
2615 result = device_create_file(&pd->dev, hsc_handle);
2616 if (result) {
2617 kfree(hsc_handle);
2618 hsc_handle = NULL;
2619 return result;
2620 }
2621
2622 return 0;
2623 }
2624
sony_nc_highspeed_charging_cleanup(struct platform_device * pd)2625 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2626 {
2627 if (hsc_handle) {
2628 device_remove_file(&pd->dev, hsc_handle);
2629 kfree(hsc_handle);
2630 hsc_handle = NULL;
2631 }
2632 }
2633
2634 /* low battery function */
2635 static struct device_attribute *lowbatt_handle;
2636
sony_nc_lowbatt_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)2637 static ssize_t sony_nc_lowbatt_store(struct device *dev,
2638 struct device_attribute *attr,
2639 const char *buffer, size_t count)
2640 {
2641 unsigned int result;
2642 unsigned long value;
2643
2644 if (count > 31)
2645 return -EINVAL;
2646
2647 if (kstrtoul(buffer, 10, &value) || value > 1)
2648 return -EINVAL;
2649
2650 if (sony_call_snc_handle(0x0121, value << 8, &result))
2651 return -EIO;
2652
2653 return count;
2654 }
2655
sony_nc_lowbatt_show(struct device * dev,struct device_attribute * attr,char * buffer)2656 static ssize_t sony_nc_lowbatt_show(struct device *dev,
2657 struct device_attribute *attr, char *buffer)
2658 {
2659 unsigned int result;
2660
2661 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2662 return -EIO;
2663
2664 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2665 }
2666
sony_nc_lowbatt_setup(struct platform_device * pd)2667 static int sony_nc_lowbatt_setup(struct platform_device *pd)
2668 {
2669 unsigned int result;
2670
2671 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2672 if (!lowbatt_handle)
2673 return -ENOMEM;
2674
2675 sysfs_attr_init(&lowbatt_handle->attr);
2676 lowbatt_handle->attr.name = "lowbatt_hibernate";
2677 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2678 lowbatt_handle->show = sony_nc_lowbatt_show;
2679 lowbatt_handle->store = sony_nc_lowbatt_store;
2680
2681 result = device_create_file(&pd->dev, lowbatt_handle);
2682 if (result) {
2683 kfree(lowbatt_handle);
2684 lowbatt_handle = NULL;
2685 return result;
2686 }
2687
2688 return 0;
2689 }
2690
sony_nc_lowbatt_cleanup(struct platform_device * pd)2691 static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2692 {
2693 if (lowbatt_handle) {
2694 device_remove_file(&pd->dev, lowbatt_handle);
2695 kfree(lowbatt_handle);
2696 lowbatt_handle = NULL;
2697 }
2698 }
2699
2700 /* fan speed function */
2701 static struct device_attribute *fan_handle, *hsf_handle;
2702
sony_nc_hsfan_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)2703 static ssize_t sony_nc_hsfan_store(struct device *dev,
2704 struct device_attribute *attr,
2705 const char *buffer, size_t count)
2706 {
2707 unsigned int result;
2708 unsigned long value;
2709
2710 if (count > 31)
2711 return -EINVAL;
2712
2713 if (kstrtoul(buffer, 10, &value) || value > 1)
2714 return -EINVAL;
2715
2716 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2717 return -EIO;
2718
2719 return count;
2720 }
2721
sony_nc_hsfan_show(struct device * dev,struct device_attribute * attr,char * buffer)2722 static ssize_t sony_nc_hsfan_show(struct device *dev,
2723 struct device_attribute *attr, char *buffer)
2724 {
2725 unsigned int result;
2726
2727 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2728 return -EIO;
2729
2730 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2731 }
2732
sony_nc_fanspeed_show(struct device * dev,struct device_attribute * attr,char * buffer)2733 static ssize_t sony_nc_fanspeed_show(struct device *dev,
2734 struct device_attribute *attr, char *buffer)
2735 {
2736 unsigned int result;
2737
2738 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2739 return -EIO;
2740
2741 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2742 }
2743
sony_nc_fanspeed_setup(struct platform_device * pd)2744 static int sony_nc_fanspeed_setup(struct platform_device *pd)
2745 {
2746 unsigned int result;
2747
2748 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2749 if (!fan_handle)
2750 return -ENOMEM;
2751
2752 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2753 if (!hsf_handle) {
2754 result = -ENOMEM;
2755 goto out_hsf_handle_alloc;
2756 }
2757
2758 sysfs_attr_init(&fan_handle->attr);
2759 fan_handle->attr.name = "fanspeed";
2760 fan_handle->attr.mode = S_IRUGO;
2761 fan_handle->show = sony_nc_fanspeed_show;
2762 fan_handle->store = NULL;
2763
2764 sysfs_attr_init(&hsf_handle->attr);
2765 hsf_handle->attr.name = "fan_forced";
2766 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2767 hsf_handle->show = sony_nc_hsfan_show;
2768 hsf_handle->store = sony_nc_hsfan_store;
2769
2770 result = device_create_file(&pd->dev, fan_handle);
2771 if (result)
2772 goto out_fan_handle;
2773
2774 result = device_create_file(&pd->dev, hsf_handle);
2775 if (result)
2776 goto out_hsf_handle;
2777
2778 return 0;
2779
2780 out_hsf_handle:
2781 device_remove_file(&pd->dev, fan_handle);
2782
2783 out_fan_handle:
2784 kfree(hsf_handle);
2785 hsf_handle = NULL;
2786
2787 out_hsf_handle_alloc:
2788 kfree(fan_handle);
2789 fan_handle = NULL;
2790 return result;
2791 }
2792
sony_nc_fanspeed_cleanup(struct platform_device * pd)2793 static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2794 {
2795 if (fan_handle) {
2796 device_remove_file(&pd->dev, fan_handle);
2797 kfree(fan_handle);
2798 fan_handle = NULL;
2799 }
2800 if (hsf_handle) {
2801 device_remove_file(&pd->dev, hsf_handle);
2802 kfree(hsf_handle);
2803 hsf_handle = NULL;
2804 }
2805 }
2806
2807 /* USB charge function */
2808 static struct device_attribute *uc_handle;
2809
sony_nc_usb_charge_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)2810 static ssize_t sony_nc_usb_charge_store(struct device *dev,
2811 struct device_attribute *attr,
2812 const char *buffer, size_t count)
2813 {
2814 unsigned int result;
2815 unsigned long value;
2816
2817 if (count > 31)
2818 return -EINVAL;
2819
2820 if (kstrtoul(buffer, 10, &value) || value > 1)
2821 return -EINVAL;
2822
2823 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2824 return -EIO;
2825
2826 return count;
2827 }
2828
sony_nc_usb_charge_show(struct device * dev,struct device_attribute * attr,char * buffer)2829 static ssize_t sony_nc_usb_charge_show(struct device *dev,
2830 struct device_attribute *attr, char *buffer)
2831 {
2832 unsigned int result;
2833
2834 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2835 return -EIO;
2836
2837 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2838 }
2839
sony_nc_usb_charge_setup(struct platform_device * pd)2840 static int sony_nc_usb_charge_setup(struct platform_device *pd)
2841 {
2842 unsigned int result;
2843
2844 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2845 /* some models advertise the handle but have no implementation
2846 * for it
2847 */
2848 pr_info("No USB Charge capability found\n");
2849 return 0;
2850 }
2851
2852 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2853 if (!uc_handle)
2854 return -ENOMEM;
2855
2856 sysfs_attr_init(&uc_handle->attr);
2857 uc_handle->attr.name = "usb_charge";
2858 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2859 uc_handle->show = sony_nc_usb_charge_show;
2860 uc_handle->store = sony_nc_usb_charge_store;
2861
2862 result = device_create_file(&pd->dev, uc_handle);
2863 if (result) {
2864 kfree(uc_handle);
2865 uc_handle = NULL;
2866 return result;
2867 }
2868
2869 return 0;
2870 }
2871
sony_nc_usb_charge_cleanup(struct platform_device * pd)2872 static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2873 {
2874 if (uc_handle) {
2875 device_remove_file(&pd->dev, uc_handle);
2876 kfree(uc_handle);
2877 uc_handle = NULL;
2878 }
2879 }
2880
2881 /* Panel ID function */
2882 static struct device_attribute *panel_handle;
2883
sony_nc_panelid_show(struct device * dev,struct device_attribute * attr,char * buffer)2884 static ssize_t sony_nc_panelid_show(struct device *dev,
2885 struct device_attribute *attr, char *buffer)
2886 {
2887 unsigned int result;
2888
2889 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2890 return -EIO;
2891
2892 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2893 }
2894
sony_nc_panelid_setup(struct platform_device * pd)2895 static int sony_nc_panelid_setup(struct platform_device *pd)
2896 {
2897 unsigned int result;
2898
2899 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2900 if (!panel_handle)
2901 return -ENOMEM;
2902
2903 sysfs_attr_init(&panel_handle->attr);
2904 panel_handle->attr.name = "panel_id";
2905 panel_handle->attr.mode = S_IRUGO;
2906 panel_handle->show = sony_nc_panelid_show;
2907 panel_handle->store = NULL;
2908
2909 result = device_create_file(&pd->dev, panel_handle);
2910 if (result) {
2911 kfree(panel_handle);
2912 panel_handle = NULL;
2913 return result;
2914 }
2915
2916 return 0;
2917 }
2918
sony_nc_panelid_cleanup(struct platform_device * pd)2919 static void sony_nc_panelid_cleanup(struct platform_device *pd)
2920 {
2921 if (panel_handle) {
2922 device_remove_file(&pd->dev, panel_handle);
2923 kfree(panel_handle);
2924 panel_handle = NULL;
2925 }
2926 }
2927
2928 /* smart connect function */
2929 static struct device_attribute *sc_handle;
2930
sony_nc_smart_conn_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)2931 static ssize_t sony_nc_smart_conn_store(struct device *dev,
2932 struct device_attribute *attr,
2933 const char *buffer, size_t count)
2934 {
2935 unsigned int result;
2936 unsigned long value;
2937
2938 if (count > 31)
2939 return -EINVAL;
2940
2941 if (kstrtoul(buffer, 10, &value) || value > 1)
2942 return -EINVAL;
2943
2944 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2945 return -EIO;
2946
2947 return count;
2948 }
2949
sony_nc_smart_conn_setup(struct platform_device * pd)2950 static int sony_nc_smart_conn_setup(struct platform_device *pd)
2951 {
2952 unsigned int result;
2953
2954 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2955 if (!sc_handle)
2956 return -ENOMEM;
2957
2958 sysfs_attr_init(&sc_handle->attr);
2959 sc_handle->attr.name = "smart_connect";
2960 sc_handle->attr.mode = S_IWUSR;
2961 sc_handle->show = NULL;
2962 sc_handle->store = sony_nc_smart_conn_store;
2963
2964 result = device_create_file(&pd->dev, sc_handle);
2965 if (result) {
2966 kfree(sc_handle);
2967 sc_handle = NULL;
2968 return result;
2969 }
2970
2971 return 0;
2972 }
2973
sony_nc_smart_conn_cleanup(struct platform_device * pd)2974 static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2975 {
2976 if (sc_handle) {
2977 device_remove_file(&pd->dev, sc_handle);
2978 kfree(sc_handle);
2979 sc_handle = NULL;
2980 }
2981 }
2982
2983 /* Touchpad enable/disable */
2984 struct touchpad_control {
2985 struct device_attribute attr;
2986 int handle;
2987 };
2988 static struct touchpad_control *tp_ctl;
2989
sony_nc_touchpad_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)2990 static ssize_t sony_nc_touchpad_store(struct device *dev,
2991 struct device_attribute *attr, const char *buffer, size_t count)
2992 {
2993 unsigned int result;
2994 unsigned long value;
2995
2996 if (count > 31)
2997 return -EINVAL;
2998
2999 if (kstrtoul(buffer, 10, &value) || value > 1)
3000 return -EINVAL;
3001
3002 /* sysfs: 0 disabled, 1 enabled
3003 * EC: 0 enabled, 1 disabled
3004 */
3005 if (sony_call_snc_handle(tp_ctl->handle,
3006 (!value << 0x10) | 0x100, &result))
3007 return -EIO;
3008
3009 return count;
3010 }
3011
sony_nc_touchpad_show(struct device * dev,struct device_attribute * attr,char * buffer)3012 static ssize_t sony_nc_touchpad_show(struct device *dev,
3013 struct device_attribute *attr, char *buffer)
3014 {
3015 unsigned int result;
3016
3017 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
3018 return -EINVAL;
3019
3020 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
3021 }
3022
sony_nc_touchpad_setup(struct platform_device * pd,unsigned int handle)3023 static int sony_nc_touchpad_setup(struct platform_device *pd,
3024 unsigned int handle)
3025 {
3026 int ret = 0;
3027
3028 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
3029 if (!tp_ctl)
3030 return -ENOMEM;
3031
3032 tp_ctl->handle = handle;
3033
3034 sysfs_attr_init(&tp_ctl->attr.attr);
3035 tp_ctl->attr.attr.name = "touchpad";
3036 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3037 tp_ctl->attr.show = sony_nc_touchpad_show;
3038 tp_ctl->attr.store = sony_nc_touchpad_store;
3039
3040 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3041 if (ret) {
3042 kfree(tp_ctl);
3043 tp_ctl = NULL;
3044 }
3045
3046 return ret;
3047 }
3048
sony_nc_touchpad_cleanup(struct platform_device * pd)3049 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3050 {
3051 if (tp_ctl) {
3052 device_remove_file(&pd->dev, &tp_ctl->attr);
3053 kfree(tp_ctl);
3054 tp_ctl = NULL;
3055 }
3056 }
3057
sony_nc_backlight_ng_read_limits(int handle,struct sony_backlight_props * props)3058 static void sony_nc_backlight_ng_read_limits(int handle,
3059 struct sony_backlight_props *props)
3060 {
3061 u64 offset;
3062 int i;
3063 int lvl_table_len = 0;
3064 u8 min = 0xff, max = 0x00;
3065 unsigned char buffer[32] = { 0 };
3066
3067 props->handle = handle;
3068 props->offset = 0;
3069 props->maxlvl = 0xff;
3070
3071 offset = sony_find_snc_handle(handle);
3072
3073 /* try to read the boundaries from ACPI tables, if we fail the above
3074 * defaults should be reasonable
3075 */
3076 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3077 32);
3078 if (i < 0)
3079 return;
3080
3081 switch (handle) {
3082 case 0x012f:
3083 case 0x0137:
3084 lvl_table_len = 9;
3085 break;
3086 case 0x143:
3087 case 0x14b:
3088 case 0x14c:
3089 lvl_table_len = 16;
3090 break;
3091 }
3092
3093 /* the buffer lists brightness levels available, brightness levels are
3094 * from position 0 to 8 in the array, other values are used by ALS
3095 * control.
3096 */
3097 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3098
3099 dprintk("Brightness level: %d\n", buffer[i]);
3100
3101 if (!buffer[i])
3102 break;
3103
3104 if (buffer[i] > max)
3105 max = buffer[i];
3106 if (buffer[i] < min)
3107 min = buffer[i];
3108 }
3109 props->offset = min;
3110 props->maxlvl = max;
3111 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3112 props->maxlvl);
3113 }
3114
sony_nc_backlight_setup(void)3115 static void sony_nc_backlight_setup(void)
3116 {
3117 int max_brightness = 0;
3118 const struct backlight_ops *ops = NULL;
3119 struct backlight_properties props;
3120
3121 if (sony_find_snc_handle(0x12f) >= 0) {
3122 ops = &sony_backlight_ng_ops;
3123 sony_bl_props.cmd_base = 0x0100;
3124 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3125 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3126
3127 } else if (sony_find_snc_handle(0x137) >= 0) {
3128 ops = &sony_backlight_ng_ops;
3129 sony_bl_props.cmd_base = 0x0100;
3130 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3131 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3132
3133 } else if (sony_find_snc_handle(0x143) >= 0) {
3134 ops = &sony_backlight_ng_ops;
3135 sony_bl_props.cmd_base = 0x3000;
3136 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3137 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3138
3139 } else if (sony_find_snc_handle(0x14b) >= 0) {
3140 ops = &sony_backlight_ng_ops;
3141 sony_bl_props.cmd_base = 0x3000;
3142 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3143 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3144
3145 } else if (sony_find_snc_handle(0x14c) >= 0) {
3146 ops = &sony_backlight_ng_ops;
3147 sony_bl_props.cmd_base = 0x3000;
3148 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3149 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3150
3151 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3152 ops = &sony_backlight_ops;
3153 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3154
3155 } else
3156 return;
3157
3158 memset(&props, 0, sizeof(struct backlight_properties));
3159 props.type = BACKLIGHT_PLATFORM;
3160 props.max_brightness = max_brightness;
3161 sony_bl_props.dev = backlight_device_register("sony", NULL,
3162 &sony_bl_props,
3163 ops, &props);
3164
3165 if (IS_ERR(sony_bl_props.dev)) {
3166 pr_warn("unable to register backlight device\n");
3167 sony_bl_props.dev = NULL;
3168 } else
3169 sony_bl_props.dev->props.brightness =
3170 ops->get_brightness(sony_bl_props.dev);
3171 }
3172
sony_nc_backlight_cleanup(void)3173 static void sony_nc_backlight_cleanup(void)
3174 {
3175 backlight_device_unregister(sony_bl_props.dev);
3176 }
3177
sony_nc_add(struct acpi_device * device)3178 static int sony_nc_add(struct acpi_device *device)
3179 {
3180 acpi_status status;
3181 int result = 0;
3182 struct sony_nc_value *item;
3183
3184 sony_nc_acpi_device = device;
3185 strcpy(acpi_device_class(device), "sony/hotkey");
3186
3187 sony_nc_acpi_handle = device->handle;
3188
3189 /* read device status */
3190 result = acpi_bus_get_status(device);
3191 /* bail IFF the above call was successful and the device is not present */
3192 if (!result && !device->status.present) {
3193 dprintk("Device not present\n");
3194 result = -ENODEV;
3195 goto outwalk;
3196 }
3197
3198 result = sony_pf_add();
3199 if (result)
3200 goto outpresent;
3201
3202 if (debug) {
3203 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3204 sony_nc_acpi_handle, 1, sony_walk_callback,
3205 NULL, NULL, NULL);
3206 if (ACPI_FAILURE(status)) {
3207 pr_warn("unable to walk acpi resources\n");
3208 result = -ENODEV;
3209 goto outpresent;
3210 }
3211 }
3212
3213 result = sony_laptop_setup_input(device);
3214 if (result) {
3215 pr_err("Unable to create input devices\n");
3216 goto outplatform;
3217 }
3218
3219 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3220 int arg = 1;
3221 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3222 dprintk("ECON Method failed\n");
3223 }
3224
3225 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3226 dprintk("Doing SNC setup\n");
3227 /* retrieve the available handles */
3228 result = sony_nc_handles_setup(sony_pf_device);
3229 if (!result)
3230 sony_nc_function_setup(device, sony_pf_device);
3231 }
3232
3233 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3234 sony_nc_backlight_setup();
3235
3236 /* create sony_pf sysfs attributes related to the SNC device */
3237 for (item = sony_nc_values; item->name; ++item) {
3238
3239 if (!debug && item->debug)
3240 continue;
3241
3242 /* find the available acpiget as described in the DSDT */
3243 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3244 if (acpi_has_method(sony_nc_acpi_handle,
3245 *item->acpiget)) {
3246 dprintk("Found %s getter: %s\n",
3247 item->name, *item->acpiget);
3248 item->devattr.attr.mode |= S_IRUGO;
3249 break;
3250 }
3251 }
3252
3253 /* find the available acpiset as described in the DSDT */
3254 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3255 if (acpi_has_method(sony_nc_acpi_handle,
3256 *item->acpiset)) {
3257 dprintk("Found %s setter: %s\n",
3258 item->name, *item->acpiset);
3259 item->devattr.attr.mode |= S_IWUSR;
3260 break;
3261 }
3262 }
3263
3264 if (item->devattr.attr.mode != 0) {
3265 result =
3266 device_create_file(&sony_pf_device->dev,
3267 &item->devattr);
3268 if (result)
3269 goto out_sysfs;
3270 }
3271 }
3272
3273 pr_info("SNC setup done.\n");
3274 return 0;
3275
3276 out_sysfs:
3277 for (item = sony_nc_values; item->name; ++item) {
3278 device_remove_file(&sony_pf_device->dev, &item->devattr);
3279 }
3280 sony_nc_backlight_cleanup();
3281 sony_nc_function_cleanup(sony_pf_device);
3282 sony_nc_handles_cleanup(sony_pf_device);
3283
3284 outplatform:
3285 sony_laptop_remove_input();
3286
3287 outpresent:
3288 sony_pf_remove();
3289
3290 outwalk:
3291 sony_nc_rfkill_cleanup();
3292 return result;
3293 }
3294
sony_nc_remove(struct acpi_device * device)3295 static int sony_nc_remove(struct acpi_device *device)
3296 {
3297 struct sony_nc_value *item;
3298
3299 sony_nc_backlight_cleanup();
3300
3301 sony_nc_acpi_device = NULL;
3302
3303 for (item = sony_nc_values; item->name; ++item) {
3304 device_remove_file(&sony_pf_device->dev, &item->devattr);
3305 }
3306
3307 sony_nc_function_cleanup(sony_pf_device);
3308 sony_nc_handles_cleanup(sony_pf_device);
3309 sony_pf_remove();
3310 sony_laptop_remove_input();
3311 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3312
3313 return 0;
3314 }
3315
3316 static const struct acpi_device_id sony_device_ids[] = {
3317 {SONY_NC_HID, 0},
3318 {SONY_PIC_HID, 0},
3319 {"", 0},
3320 };
3321 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3322
3323 static const struct acpi_device_id sony_nc_device_ids[] = {
3324 {SONY_NC_HID, 0},
3325 {"", 0},
3326 };
3327
3328 static struct acpi_driver sony_nc_driver = {
3329 .name = SONY_NC_DRIVER_NAME,
3330 .class = SONY_NC_CLASS,
3331 .ids = sony_nc_device_ids,
3332 .owner = THIS_MODULE,
3333 .ops = {
3334 .add = sony_nc_add,
3335 .remove = sony_nc_remove,
3336 .notify = sony_nc_notify,
3337 },
3338 .drv.pm = &sony_nc_pm,
3339 };
3340
3341 /*********** SPIC (SNY6001) Device ***********/
3342
3343 #define SONYPI_DEVICE_TYPE1 0x00000001
3344 #define SONYPI_DEVICE_TYPE2 0x00000002
3345 #define SONYPI_DEVICE_TYPE3 0x00000004
3346
3347 #define SONYPI_TYPE1_OFFSET 0x04
3348 #define SONYPI_TYPE2_OFFSET 0x12
3349 #define SONYPI_TYPE3_OFFSET 0x12
3350
3351 struct sony_pic_ioport {
3352 struct acpi_resource_io io1;
3353 struct acpi_resource_io io2;
3354 struct list_head list;
3355 };
3356
3357 struct sony_pic_irq {
3358 struct acpi_resource_irq irq;
3359 struct list_head list;
3360 };
3361
3362 struct sonypi_eventtypes {
3363 u8 data;
3364 unsigned long mask;
3365 struct sonypi_event *events;
3366 };
3367
3368 struct sony_pic_dev {
3369 struct acpi_device *acpi_dev;
3370 struct sony_pic_irq *cur_irq;
3371 struct sony_pic_ioport *cur_ioport;
3372 struct list_head interrupts;
3373 struct list_head ioports;
3374 struct mutex lock;
3375 struct sonypi_eventtypes *event_types;
3376 int (*handle_irq)(const u8, const u8);
3377 int model;
3378 u16 evport_offset;
3379 u8 camera_power;
3380 u8 bluetooth_power;
3381 u8 wwan_power;
3382 };
3383
3384 static struct sony_pic_dev spic_dev = {
3385 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3386 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3387 };
3388
3389 static int spic_drv_registered;
3390
3391 /* Event masks */
3392 #define SONYPI_JOGGER_MASK 0x00000001
3393 #define SONYPI_CAPTURE_MASK 0x00000002
3394 #define SONYPI_FNKEY_MASK 0x00000004
3395 #define SONYPI_BLUETOOTH_MASK 0x00000008
3396 #define SONYPI_PKEY_MASK 0x00000010
3397 #define SONYPI_BACK_MASK 0x00000020
3398 #define SONYPI_HELP_MASK 0x00000040
3399 #define SONYPI_LID_MASK 0x00000080
3400 #define SONYPI_ZOOM_MASK 0x00000100
3401 #define SONYPI_THUMBPHRASE_MASK 0x00000200
3402 #define SONYPI_MEYE_MASK 0x00000400
3403 #define SONYPI_MEMORYSTICK_MASK 0x00000800
3404 #define SONYPI_BATTERY_MASK 0x00001000
3405 #define SONYPI_WIRELESS_MASK 0x00002000
3406
3407 struct sonypi_event {
3408 u8 data;
3409 u8 event;
3410 };
3411
3412 /* The set of possible button release events */
3413 static struct sonypi_event sonypi_releaseev[] = {
3414 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3415 { 0, 0 }
3416 };
3417
3418 /* The set of possible jogger events */
3419 static struct sonypi_event sonypi_joggerev[] = {
3420 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3421 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3422 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3423 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3424 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3425 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3426 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3427 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3428 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3429 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3430 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3431 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3432 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3433 { 0, 0 }
3434 };
3435
3436 /* The set of possible capture button events */
3437 static struct sonypi_event sonypi_captureev[] = {
3438 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3439 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3440 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3441 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3442 { 0, 0 }
3443 };
3444
3445 /* The set of possible fnkeys events */
3446 static struct sonypi_event sonypi_fnkeyev[] = {
3447 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3448 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3449 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3450 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3451 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3452 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3453 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3454 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3455 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3456 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3457 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3458 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3459 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3460 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3461 { 0x21, SONYPI_EVENT_FNKEY_1 },
3462 { 0x22, SONYPI_EVENT_FNKEY_2 },
3463 { 0x31, SONYPI_EVENT_FNKEY_D },
3464 { 0x32, SONYPI_EVENT_FNKEY_E },
3465 { 0x33, SONYPI_EVENT_FNKEY_F },
3466 { 0x34, SONYPI_EVENT_FNKEY_S },
3467 { 0x35, SONYPI_EVENT_FNKEY_B },
3468 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3469 { 0, 0 }
3470 };
3471
3472 /* The set of possible program key events */
3473 static struct sonypi_event sonypi_pkeyev[] = {
3474 { 0x01, SONYPI_EVENT_PKEY_P1 },
3475 { 0x02, SONYPI_EVENT_PKEY_P2 },
3476 { 0x04, SONYPI_EVENT_PKEY_P3 },
3477 { 0x20, SONYPI_EVENT_PKEY_P1 },
3478 { 0, 0 }
3479 };
3480
3481 /* The set of possible bluetooth events */
3482 static struct sonypi_event sonypi_blueev[] = {
3483 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3484 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3485 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3486 { 0, 0 }
3487 };
3488
3489 /* The set of possible wireless events */
3490 static struct sonypi_event sonypi_wlessev[] = {
3491 { 0x59, SONYPI_EVENT_IGNORE },
3492 { 0x5a, SONYPI_EVENT_IGNORE },
3493 { 0, 0 }
3494 };
3495
3496 /* The set of possible back button events */
3497 static struct sonypi_event sonypi_backev[] = {
3498 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3499 { 0, 0 }
3500 };
3501
3502 /* The set of possible help button events */
3503 static struct sonypi_event sonypi_helpev[] = {
3504 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3505 { 0, 0 }
3506 };
3507
3508
3509 /* The set of possible lid events */
3510 static struct sonypi_event sonypi_lidev[] = {
3511 { 0x51, SONYPI_EVENT_LID_CLOSED },
3512 { 0x50, SONYPI_EVENT_LID_OPENED },
3513 { 0, 0 }
3514 };
3515
3516 /* The set of possible zoom events */
3517 static struct sonypi_event sonypi_zoomev[] = {
3518 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3519 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3520 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3521 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3522 { 0, 0 }
3523 };
3524
3525 /* The set of possible thumbphrase events */
3526 static struct sonypi_event sonypi_thumbphraseev[] = {
3527 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3528 { 0, 0 }
3529 };
3530
3531 /* The set of possible motioneye camera events */
3532 static struct sonypi_event sonypi_meyeev[] = {
3533 { 0x00, SONYPI_EVENT_MEYE_FACE },
3534 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3535 { 0, 0 }
3536 };
3537
3538 /* The set of possible memorystick events */
3539 static struct sonypi_event sonypi_memorystickev[] = {
3540 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3541 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3542 { 0, 0 }
3543 };
3544
3545 /* The set of possible battery events */
3546 static struct sonypi_event sonypi_batteryev[] = {
3547 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3548 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3549 { 0, 0 }
3550 };
3551
3552 /* The set of possible volume events */
3553 static struct sonypi_event sonypi_volumeev[] = {
3554 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3555 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3556 { 0, 0 }
3557 };
3558
3559 /* The set of possible brightness events */
3560 static struct sonypi_event sonypi_brightnessev[] = {
3561 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3562 { 0, 0 }
3563 };
3564
3565 static struct sonypi_eventtypes type1_events[] = {
3566 { 0, 0xffffffff, sonypi_releaseev },
3567 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3568 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3569 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3570 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3571 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3572 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3573 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3574 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3575 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3576 { 0 },
3577 };
3578 static struct sonypi_eventtypes type2_events[] = {
3579 { 0, 0xffffffff, sonypi_releaseev },
3580 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3581 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3582 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3583 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3584 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3585 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3586 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3587 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3588 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3589 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3590 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3591 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3592 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3593 { 0 },
3594 };
3595 static struct sonypi_eventtypes type3_events[] = {
3596 { 0, 0xffffffff, sonypi_releaseev },
3597 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3598 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3599 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3600 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3601 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3602 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3603 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3604 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3605 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3606 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3607 { 0 },
3608 };
3609
3610 /* low level spic calls */
3611 #define ITERATIONS_LONG 10000
3612 #define ITERATIONS_SHORT 10
3613 #define wait_on_command(command, iterations) { \
3614 unsigned int n = iterations; \
3615 while (--n && (command)) \
3616 udelay(1); \
3617 if (!n) \
3618 dprintk("command failed at %s : %s (line %d)\n", \
3619 __FILE__, __func__, __LINE__); \
3620 }
3621
sony_pic_call1(u8 dev)3622 static u8 sony_pic_call1(u8 dev)
3623 {
3624 u8 v1, v2;
3625
3626 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3627 ITERATIONS_LONG);
3628 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3629 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3630 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3631 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3632 return v2;
3633 }
3634
sony_pic_call2(u8 dev,u8 fn)3635 static u8 sony_pic_call2(u8 dev, u8 fn)
3636 {
3637 u8 v1;
3638
3639 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3640 ITERATIONS_LONG);
3641 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3642 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3643 ITERATIONS_LONG);
3644 outb(fn, spic_dev.cur_ioport->io1.minimum);
3645 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3646 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3647 return v1;
3648 }
3649
sony_pic_call3(u8 dev,u8 fn,u8 v)3650 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3651 {
3652 u8 v1;
3653
3654 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3655 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3656 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3657 outb(fn, spic_dev.cur_ioport->io1.minimum);
3658 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3659 outb(v, spic_dev.cur_ioport->io1.minimum);
3660 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3661 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3662 dev, fn, v, v1);
3663 return v1;
3664 }
3665
3666 /*
3667 * minidrivers for SPIC models
3668 */
type3_handle_irq(const u8 data_mask,const u8 ev)3669 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3670 {
3671 /*
3672 * 0x31 could mean we have to take some extra action and wait for
3673 * the next irq for some Type3 models, it will generate a new
3674 * irq and we can read new data from the device:
3675 * - 0x5c and 0x5f requires 0xA0
3676 * - 0x61 requires 0xB3
3677 */
3678 if (data_mask == 0x31) {
3679 if (ev == 0x5c || ev == 0x5f)
3680 sony_pic_call1(0xA0);
3681 else if (ev == 0x61)
3682 sony_pic_call1(0xB3);
3683 return 0;
3684 }
3685 return 1;
3686 }
3687
sony_pic_detect_device_type(struct sony_pic_dev * dev)3688 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3689 {
3690 struct pci_dev *pcidev;
3691
3692 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3693 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3694 if (pcidev) {
3695 dev->model = SONYPI_DEVICE_TYPE1;
3696 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3697 dev->event_types = type1_events;
3698 goto out;
3699 }
3700
3701 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3702 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3703 if (pcidev) {
3704 dev->model = SONYPI_DEVICE_TYPE2;
3705 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3706 dev->event_types = type2_events;
3707 goto out;
3708 }
3709
3710 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3711 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3712 if (pcidev) {
3713 dev->model = SONYPI_DEVICE_TYPE3;
3714 dev->handle_irq = type3_handle_irq;
3715 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3716 dev->event_types = type3_events;
3717 goto out;
3718 }
3719
3720 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3721 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3722 if (pcidev) {
3723 dev->model = SONYPI_DEVICE_TYPE3;
3724 dev->handle_irq = type3_handle_irq;
3725 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3726 dev->event_types = type3_events;
3727 goto out;
3728 }
3729
3730 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3731 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3732 if (pcidev) {
3733 dev->model = SONYPI_DEVICE_TYPE3;
3734 dev->handle_irq = type3_handle_irq;
3735 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3736 dev->event_types = type3_events;
3737 goto out;
3738 }
3739
3740 /* default */
3741 dev->model = SONYPI_DEVICE_TYPE2;
3742 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3743 dev->event_types = type2_events;
3744
3745 out:
3746 pci_dev_put(pcidev);
3747
3748 pr_info("detected Type%d model\n",
3749 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3750 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3751 }
3752
3753 /* camera tests and poweron/poweroff */
3754 #define SONYPI_CAMERA_PICTURE 5
3755 #define SONYPI_CAMERA_CONTROL 0x10
3756
3757 #define SONYPI_CAMERA_BRIGHTNESS 0
3758 #define SONYPI_CAMERA_CONTRAST 1
3759 #define SONYPI_CAMERA_HUE 2
3760 #define SONYPI_CAMERA_COLOR 3
3761 #define SONYPI_CAMERA_SHARPNESS 4
3762
3763 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3764 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3765 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3766 #define SONYPI_CAMERA_MUTE_MASK 0x40
3767
3768 /* the rest don't need a loop until not 0xff */
3769 #define SONYPI_CAMERA_AGC 6
3770 #define SONYPI_CAMERA_AGC_MASK 0x30
3771 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3772
3773 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3774 #define SONYPI_CAMERA_CONTROL 0x10
3775
3776 #define SONYPI_CAMERA_STATUS 7
3777 #define SONYPI_CAMERA_STATUS_READY 0x2
3778 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3779
3780 #define SONYPI_DIRECTION_BACKWARDS 0x4
3781
3782 #define SONYPI_CAMERA_REVISION 8
3783 #define SONYPI_CAMERA_ROMVERSION 9
3784
__sony_pic_camera_ready(void)3785 static int __sony_pic_camera_ready(void)
3786 {
3787 u8 v;
3788
3789 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3790 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3791 }
3792
__sony_pic_camera_off(void)3793 static int __sony_pic_camera_off(void)
3794 {
3795 if (!camera) {
3796 pr_warn("camera control not enabled\n");
3797 return -ENODEV;
3798 }
3799
3800 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3801 SONYPI_CAMERA_MUTE_MASK),
3802 ITERATIONS_SHORT);
3803
3804 if (spic_dev.camera_power) {
3805 sony_pic_call2(0x91, 0);
3806 spic_dev.camera_power = 0;
3807 }
3808 return 0;
3809 }
3810
__sony_pic_camera_on(void)3811 static int __sony_pic_camera_on(void)
3812 {
3813 int i, j, x;
3814
3815 if (!camera) {
3816 pr_warn("camera control not enabled\n");
3817 return -ENODEV;
3818 }
3819
3820 if (spic_dev.camera_power)
3821 return 0;
3822
3823 for (j = 5; j > 0; j--) {
3824
3825 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3826 msleep(10);
3827 sony_pic_call1(0x93);
3828
3829 for (i = 400; i > 0; i--) {
3830 if (__sony_pic_camera_ready())
3831 break;
3832 msleep(10);
3833 }
3834 if (i)
3835 break;
3836 }
3837
3838 if (j == 0) {
3839 pr_warn("failed to power on camera\n");
3840 return -ENODEV;
3841 }
3842
3843 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3844 0x5a),
3845 ITERATIONS_SHORT);
3846
3847 spic_dev.camera_power = 1;
3848 return 0;
3849 }
3850
3851 /* External camera command (exported to the motion eye v4l driver) */
sony_pic_camera_command(int command,u8 value)3852 int sony_pic_camera_command(int command, u8 value)
3853 {
3854 if (!camera)
3855 return -EIO;
3856
3857 mutex_lock(&spic_dev.lock);
3858
3859 switch (command) {
3860 case SONY_PIC_COMMAND_SETCAMERA:
3861 if (value)
3862 __sony_pic_camera_on();
3863 else
3864 __sony_pic_camera_off();
3865 break;
3866 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3867 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3868 ITERATIONS_SHORT);
3869 break;
3870 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3871 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3872 ITERATIONS_SHORT);
3873 break;
3874 case SONY_PIC_COMMAND_SETCAMERAHUE:
3875 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3876 ITERATIONS_SHORT);
3877 break;
3878 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3879 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3880 ITERATIONS_SHORT);
3881 break;
3882 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3883 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3884 ITERATIONS_SHORT);
3885 break;
3886 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3887 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3888 ITERATIONS_SHORT);
3889 break;
3890 case SONY_PIC_COMMAND_SETCAMERAAGC:
3891 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3892 ITERATIONS_SHORT);
3893 break;
3894 default:
3895 pr_err("sony_pic_camera_command invalid: %d\n", command);
3896 break;
3897 }
3898 mutex_unlock(&spic_dev.lock);
3899 return 0;
3900 }
3901 EXPORT_SYMBOL(sony_pic_camera_command);
3902
3903 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
__sony_pic_set_wwanpower(u8 state)3904 static void __sony_pic_set_wwanpower(u8 state)
3905 {
3906 state = !!state;
3907 if (spic_dev.wwan_power == state)
3908 return;
3909 sony_pic_call2(0xB0, state);
3910 sony_pic_call1(0x82);
3911 spic_dev.wwan_power = state;
3912 }
3913
sony_pic_wwanpower_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)3914 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3915 struct device_attribute *attr,
3916 const char *buffer, size_t count)
3917 {
3918 unsigned long value;
3919 if (count > 31)
3920 return -EINVAL;
3921
3922 if (kstrtoul(buffer, 10, &value))
3923 return -EINVAL;
3924
3925 mutex_lock(&spic_dev.lock);
3926 __sony_pic_set_wwanpower(value);
3927 mutex_unlock(&spic_dev.lock);
3928
3929 return count;
3930 }
3931
sony_pic_wwanpower_show(struct device * dev,struct device_attribute * attr,char * buffer)3932 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3933 struct device_attribute *attr, char *buffer)
3934 {
3935 ssize_t count;
3936 mutex_lock(&spic_dev.lock);
3937 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3938 mutex_unlock(&spic_dev.lock);
3939 return count;
3940 }
3941
3942 /* bluetooth subsystem power state */
__sony_pic_set_bluetoothpower(u8 state)3943 static void __sony_pic_set_bluetoothpower(u8 state)
3944 {
3945 state = !!state;
3946 if (spic_dev.bluetooth_power == state)
3947 return;
3948 sony_pic_call2(0x96, state);
3949 sony_pic_call1(0x82);
3950 spic_dev.bluetooth_power = state;
3951 }
3952
sony_pic_bluetoothpower_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)3953 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3954 struct device_attribute *attr,
3955 const char *buffer, size_t count)
3956 {
3957 unsigned long value;
3958 if (count > 31)
3959 return -EINVAL;
3960
3961 if (kstrtoul(buffer, 10, &value))
3962 return -EINVAL;
3963
3964 mutex_lock(&spic_dev.lock);
3965 __sony_pic_set_bluetoothpower(value);
3966 mutex_unlock(&spic_dev.lock);
3967
3968 return count;
3969 }
3970
sony_pic_bluetoothpower_show(struct device * dev,struct device_attribute * attr,char * buffer)3971 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3972 struct device_attribute *attr, char *buffer)
3973 {
3974 ssize_t count = 0;
3975 mutex_lock(&spic_dev.lock);
3976 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3977 mutex_unlock(&spic_dev.lock);
3978 return count;
3979 }
3980
3981 /* fan speed */
3982 /* FAN0 information (reverse engineered from ACPI tables) */
3983 #define SONY_PIC_FAN0_STATUS 0x93
sony_pic_set_fanspeed(unsigned long value)3984 static int sony_pic_set_fanspeed(unsigned long value)
3985 {
3986 return ec_write(SONY_PIC_FAN0_STATUS, value);
3987 }
3988
sony_pic_get_fanspeed(u8 * value)3989 static int sony_pic_get_fanspeed(u8 *value)
3990 {
3991 return ec_read(SONY_PIC_FAN0_STATUS, value);
3992 }
3993
sony_pic_fanspeed_store(struct device * dev,struct device_attribute * attr,const char * buffer,size_t count)3994 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3995 struct device_attribute *attr,
3996 const char *buffer, size_t count)
3997 {
3998 unsigned long value;
3999 if (count > 31)
4000 return -EINVAL;
4001
4002 if (kstrtoul(buffer, 10, &value))
4003 return -EINVAL;
4004
4005 if (sony_pic_set_fanspeed(value))
4006 return -EIO;
4007
4008 return count;
4009 }
4010
sony_pic_fanspeed_show(struct device * dev,struct device_attribute * attr,char * buffer)4011 static ssize_t sony_pic_fanspeed_show(struct device *dev,
4012 struct device_attribute *attr, char *buffer)
4013 {
4014 u8 value = 0;
4015 if (sony_pic_get_fanspeed(&value))
4016 return -EIO;
4017
4018 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
4019 }
4020
4021 #define SPIC_ATTR(_name, _mode) \
4022 struct device_attribute spic_attr_##_name = __ATTR(_name, \
4023 _mode, sony_pic_## _name ##_show, \
4024 sony_pic_## _name ##_store)
4025
4026 static SPIC_ATTR(bluetoothpower, 0644);
4027 static SPIC_ATTR(wwanpower, 0644);
4028 static SPIC_ATTR(fanspeed, 0644);
4029
4030 static struct attribute *spic_attributes[] = {
4031 &spic_attr_bluetoothpower.attr,
4032 &spic_attr_wwanpower.attr,
4033 &spic_attr_fanspeed.attr,
4034 NULL
4035 };
4036
4037 static const struct attribute_group spic_attribute_group = {
4038 .attrs = spic_attributes
4039 };
4040
4041 /******** SONYPI compatibility **********/
4042 #ifdef CONFIG_SONYPI_COMPAT
4043
4044 /* battery / brightness / temperature addresses */
4045 #define SONYPI_BAT_FLAGS 0x81
4046 #define SONYPI_LCD_LIGHT 0x96
4047 #define SONYPI_BAT1_PCTRM 0xa0
4048 #define SONYPI_BAT1_LEFT 0xa2
4049 #define SONYPI_BAT1_MAXRT 0xa4
4050 #define SONYPI_BAT2_PCTRM 0xa8
4051 #define SONYPI_BAT2_LEFT 0xaa
4052 #define SONYPI_BAT2_MAXRT 0xac
4053 #define SONYPI_BAT1_MAXTK 0xb0
4054 #define SONYPI_BAT1_FULL 0xb2
4055 #define SONYPI_BAT2_MAXTK 0xb8
4056 #define SONYPI_BAT2_FULL 0xba
4057 #define SONYPI_TEMP_STATUS 0xC1
4058
4059 struct sonypi_compat_s {
4060 struct fasync_struct *fifo_async;
4061 struct kfifo fifo;
4062 spinlock_t fifo_lock;
4063 wait_queue_head_t fifo_proc_list;
4064 atomic_t open_count;
4065 };
4066 static struct sonypi_compat_s sonypi_compat = {
4067 .open_count = ATOMIC_INIT(0),
4068 };
4069
sonypi_misc_fasync(int fd,struct file * filp,int on)4070 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4071 {
4072 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4073 }
4074
sonypi_misc_release(struct inode * inode,struct file * file)4075 static int sonypi_misc_release(struct inode *inode, struct file *file)
4076 {
4077 atomic_dec(&sonypi_compat.open_count);
4078 return 0;
4079 }
4080
sonypi_misc_open(struct inode * inode,struct file * file)4081 static int sonypi_misc_open(struct inode *inode, struct file *file)
4082 {
4083 /* Flush input queue on first open */
4084 unsigned long flags;
4085
4086 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4087
4088 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4089 kfifo_reset(&sonypi_compat.fifo);
4090
4091 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4092
4093 return 0;
4094 }
4095
sonypi_misc_read(struct file * file,char __user * buf,size_t count,loff_t * pos)4096 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4097 size_t count, loff_t *pos)
4098 {
4099 ssize_t ret;
4100 unsigned char c;
4101
4102 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4103 (file->f_flags & O_NONBLOCK))
4104 return -EAGAIN;
4105
4106 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4107 kfifo_len(&sonypi_compat.fifo) != 0);
4108 if (ret)
4109 return ret;
4110
4111 while (ret < count &&
4112 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4113 &sonypi_compat.fifo_lock) == sizeof(c))) {
4114 if (put_user(c, buf++))
4115 return -EFAULT;
4116 ret++;
4117 }
4118
4119 if (ret > 0) {
4120 struct inode *inode = file_inode(file);
4121 inode->i_atime = current_time(inode);
4122 }
4123
4124 return ret;
4125 }
4126
sonypi_misc_poll(struct file * file,poll_table * wait)4127 static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
4128 {
4129 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4130 if (kfifo_len(&sonypi_compat.fifo))
4131 return EPOLLIN | EPOLLRDNORM;
4132 return 0;
4133 }
4134
ec_read16(u8 addr,u16 * value)4135 static int ec_read16(u8 addr, u16 *value)
4136 {
4137 u8 val_lb, val_hb;
4138 if (ec_read(addr, &val_lb))
4139 return -1;
4140 if (ec_read(addr + 1, &val_hb))
4141 return -1;
4142 *value = val_lb | (val_hb << 8);
4143 return 0;
4144 }
4145
sonypi_misc_ioctl(struct file * fp,unsigned int cmd,unsigned long arg)4146 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4147 unsigned long arg)
4148 {
4149 int ret = 0;
4150 void __user *argp = (void __user *)arg;
4151 u8 val8;
4152 u16 val16;
4153 int value;
4154
4155 mutex_lock(&spic_dev.lock);
4156 switch (cmd) {
4157 case SONYPI_IOCGBRT:
4158 if (sony_bl_props.dev == NULL) {
4159 ret = -EIO;
4160 break;
4161 }
4162 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4163 &value)) {
4164 ret = -EIO;
4165 break;
4166 }
4167 val8 = ((value & 0xff) - 1) << 5;
4168 if (copy_to_user(argp, &val8, sizeof(val8)))
4169 ret = -EFAULT;
4170 break;
4171 case SONYPI_IOCSBRT:
4172 if (sony_bl_props.dev == NULL) {
4173 ret = -EIO;
4174 break;
4175 }
4176 if (copy_from_user(&val8, argp, sizeof(val8))) {
4177 ret = -EFAULT;
4178 break;
4179 }
4180 value = (val8 >> 5) + 1;
4181 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4182 NULL)) {
4183 ret = -EIO;
4184 break;
4185 }
4186 /* sync the backlight device status */
4187 sony_bl_props.dev->props.brightness =
4188 sony_backlight_get_brightness(sony_bl_props.dev);
4189 break;
4190 case SONYPI_IOCGBAT1CAP:
4191 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4192 ret = -EIO;
4193 break;
4194 }
4195 if (copy_to_user(argp, &val16, sizeof(val16)))
4196 ret = -EFAULT;
4197 break;
4198 case SONYPI_IOCGBAT1REM:
4199 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4200 ret = -EIO;
4201 break;
4202 }
4203 if (copy_to_user(argp, &val16, sizeof(val16)))
4204 ret = -EFAULT;
4205 break;
4206 case SONYPI_IOCGBAT2CAP:
4207 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4208 ret = -EIO;
4209 break;
4210 }
4211 if (copy_to_user(argp, &val16, sizeof(val16)))
4212 ret = -EFAULT;
4213 break;
4214 case SONYPI_IOCGBAT2REM:
4215 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4216 ret = -EIO;
4217 break;
4218 }
4219 if (copy_to_user(argp, &val16, sizeof(val16)))
4220 ret = -EFAULT;
4221 break;
4222 case SONYPI_IOCGBATFLAGS:
4223 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4224 ret = -EIO;
4225 break;
4226 }
4227 val8 &= 0x07;
4228 if (copy_to_user(argp, &val8, sizeof(val8)))
4229 ret = -EFAULT;
4230 break;
4231 case SONYPI_IOCGBLUE:
4232 val8 = spic_dev.bluetooth_power;
4233 if (copy_to_user(argp, &val8, sizeof(val8)))
4234 ret = -EFAULT;
4235 break;
4236 case SONYPI_IOCSBLUE:
4237 if (copy_from_user(&val8, argp, sizeof(val8))) {
4238 ret = -EFAULT;
4239 break;
4240 }
4241 __sony_pic_set_bluetoothpower(val8);
4242 break;
4243 /* FAN Controls */
4244 case SONYPI_IOCGFAN:
4245 if (sony_pic_get_fanspeed(&val8)) {
4246 ret = -EIO;
4247 break;
4248 }
4249 if (copy_to_user(argp, &val8, sizeof(val8)))
4250 ret = -EFAULT;
4251 break;
4252 case SONYPI_IOCSFAN:
4253 if (copy_from_user(&val8, argp, sizeof(val8))) {
4254 ret = -EFAULT;
4255 break;
4256 }
4257 if (sony_pic_set_fanspeed(val8))
4258 ret = -EIO;
4259 break;
4260 /* GET Temperature (useful under APM) */
4261 case SONYPI_IOCGTEMP:
4262 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4263 ret = -EIO;
4264 break;
4265 }
4266 if (copy_to_user(argp, &val8, sizeof(val8)))
4267 ret = -EFAULT;
4268 break;
4269 default:
4270 ret = -EINVAL;
4271 }
4272 mutex_unlock(&spic_dev.lock);
4273 return ret;
4274 }
4275
4276 static const struct file_operations sonypi_misc_fops = {
4277 .owner = THIS_MODULE,
4278 .read = sonypi_misc_read,
4279 .poll = sonypi_misc_poll,
4280 .open = sonypi_misc_open,
4281 .release = sonypi_misc_release,
4282 .fasync = sonypi_misc_fasync,
4283 .unlocked_ioctl = sonypi_misc_ioctl,
4284 .llseek = noop_llseek,
4285 };
4286
4287 static struct miscdevice sonypi_misc_device = {
4288 .minor = MISC_DYNAMIC_MINOR,
4289 .name = "sonypi",
4290 .fops = &sonypi_misc_fops,
4291 };
4292
sonypi_compat_report_event(u8 event)4293 static void sonypi_compat_report_event(u8 event)
4294 {
4295 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4296 sizeof(event), &sonypi_compat.fifo_lock);
4297 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4298 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4299 }
4300
sonypi_compat_init(void)4301 static int sonypi_compat_init(void)
4302 {
4303 int error;
4304
4305 spin_lock_init(&sonypi_compat.fifo_lock);
4306 error =
4307 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4308 if (error) {
4309 pr_err("kfifo_alloc failed\n");
4310 return error;
4311 }
4312
4313 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4314
4315 if (minor != -1)
4316 sonypi_misc_device.minor = minor;
4317 error = misc_register(&sonypi_misc_device);
4318 if (error) {
4319 pr_err("misc_register failed\n");
4320 goto err_free_kfifo;
4321 }
4322 if (minor == -1)
4323 pr_info("device allocated minor is %d\n",
4324 sonypi_misc_device.minor);
4325
4326 return 0;
4327
4328 err_free_kfifo:
4329 kfifo_free(&sonypi_compat.fifo);
4330 return error;
4331 }
4332
sonypi_compat_exit(void)4333 static void sonypi_compat_exit(void)
4334 {
4335 misc_deregister(&sonypi_misc_device);
4336 kfifo_free(&sonypi_compat.fifo);
4337 }
4338 #else
sonypi_compat_init(void)4339 static int sonypi_compat_init(void) { return 0; }
sonypi_compat_exit(void)4340 static void sonypi_compat_exit(void) { }
sonypi_compat_report_event(u8 event)4341 static void sonypi_compat_report_event(u8 event) { }
4342 #endif /* CONFIG_SONYPI_COMPAT */
4343
4344 /*
4345 * ACPI callbacks
4346 */
4347 static acpi_status
sony_pic_read_possible_resource(struct acpi_resource * resource,void * context)4348 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4349 {
4350 u32 i;
4351 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4352
4353 switch (resource->type) {
4354 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4355 {
4356 /* start IO enumeration */
4357 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4358 if (!ioport)
4359 return AE_ERROR;
4360
4361 list_add(&ioport->list, &dev->ioports);
4362 return AE_OK;
4363 }
4364
4365 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4366 /* end IO enumeration */
4367 return AE_OK;
4368
4369 case ACPI_RESOURCE_TYPE_IRQ:
4370 {
4371 struct acpi_resource_irq *p = &resource->data.irq;
4372 struct sony_pic_irq *interrupt = NULL;
4373 if (!p || !p->interrupt_count) {
4374 /*
4375 * IRQ descriptors may have no IRQ# bits set,
4376 * particularly those those w/ _STA disabled
4377 */
4378 dprintk("Blank IRQ resource\n");
4379 return AE_OK;
4380 }
4381 for (i = 0; i < p->interrupt_count; i++) {
4382 if (!p->interrupts[i]) {
4383 pr_warn("Invalid IRQ %d\n",
4384 p->interrupts[i]);
4385 continue;
4386 }
4387 interrupt = kzalloc(sizeof(*interrupt),
4388 GFP_KERNEL);
4389 if (!interrupt)
4390 return AE_ERROR;
4391
4392 list_add(&interrupt->list, &dev->interrupts);
4393 interrupt->irq.triggering = p->triggering;
4394 interrupt->irq.polarity = p->polarity;
4395 interrupt->irq.sharable = p->sharable;
4396 interrupt->irq.interrupt_count = 1;
4397 interrupt->irq.interrupts[0] = p->interrupts[i];
4398 }
4399 return AE_OK;
4400 }
4401 case ACPI_RESOURCE_TYPE_IO:
4402 {
4403 struct acpi_resource_io *io = &resource->data.io;
4404 struct sony_pic_ioport *ioport =
4405 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4406 if (!io) {
4407 dprintk("Blank IO resource\n");
4408 return AE_OK;
4409 }
4410
4411 if (!ioport->io1.minimum) {
4412 memcpy(&ioport->io1, io, sizeof(*io));
4413 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4414 ioport->io1.address_length);
4415 }
4416 else if (!ioport->io2.minimum) {
4417 memcpy(&ioport->io2, io, sizeof(*io));
4418 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4419 ioport->io2.address_length);
4420 }
4421 else {
4422 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4423 return AE_ERROR;
4424 }
4425 return AE_OK;
4426 }
4427 default:
4428 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4429 resource->type);
4430
4431 case ACPI_RESOURCE_TYPE_END_TAG:
4432 return AE_OK;
4433 }
4434 return AE_CTRL_TERMINATE;
4435 }
4436
sony_pic_possible_resources(struct acpi_device * device)4437 static int sony_pic_possible_resources(struct acpi_device *device)
4438 {
4439 int result = 0;
4440 acpi_status status = AE_OK;
4441
4442 if (!device)
4443 return -EINVAL;
4444
4445 /* get device status */
4446 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4447 dprintk("Evaluating _STA\n");
4448 result = acpi_bus_get_status(device);
4449 if (result) {
4450 pr_warn("Unable to read status\n");
4451 goto end;
4452 }
4453
4454 if (!device->status.enabled)
4455 dprintk("Device disabled\n");
4456 else
4457 dprintk("Device enabled\n");
4458
4459 /*
4460 * Query and parse 'method'
4461 */
4462 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4463 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4464 sony_pic_read_possible_resource, &spic_dev);
4465 if (ACPI_FAILURE(status)) {
4466 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4467 result = -ENODEV;
4468 }
4469 end:
4470 return result;
4471 }
4472
4473 /*
4474 * Disable the spic device by calling its _DIS method
4475 */
sony_pic_disable(struct acpi_device * device)4476 static int sony_pic_disable(struct acpi_device *device)
4477 {
4478 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4479 NULL);
4480
4481 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4482 return -ENXIO;
4483
4484 dprintk("Device disabled\n");
4485 return 0;
4486 }
4487
4488
4489 /*
4490 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4491 *
4492 * Call _SRS to set current resources
4493 */
sony_pic_enable(struct acpi_device * device,struct sony_pic_ioport * ioport,struct sony_pic_irq * irq)4494 static int sony_pic_enable(struct acpi_device *device,
4495 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4496 {
4497 acpi_status status;
4498 int result = 0;
4499 /* Type 1 resource layout is:
4500 * IO
4501 * IO
4502 * IRQNoFlags
4503 * End
4504 *
4505 * Type 2 and 3 resource layout is:
4506 * IO
4507 * IRQNoFlags
4508 * End
4509 */
4510 struct {
4511 struct acpi_resource res1;
4512 struct acpi_resource res2;
4513 struct acpi_resource res3;
4514 struct acpi_resource res4;
4515 } *resource;
4516 struct acpi_buffer buffer = { 0, NULL };
4517
4518 if (!ioport || !irq)
4519 return -EINVAL;
4520
4521 /* init acpi_buffer */
4522 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4523 if (!resource)
4524 return -ENOMEM;
4525
4526 buffer.length = sizeof(*resource) + 1;
4527 buffer.pointer = resource;
4528
4529 /* setup Type 1 resources */
4530 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4531
4532 /* setup io resources */
4533 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4534 resource->res1.length = sizeof(struct acpi_resource);
4535 memcpy(&resource->res1.data.io, &ioport->io1,
4536 sizeof(struct acpi_resource_io));
4537
4538 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4539 resource->res2.length = sizeof(struct acpi_resource);
4540 memcpy(&resource->res2.data.io, &ioport->io2,
4541 sizeof(struct acpi_resource_io));
4542
4543 /* setup irq resource */
4544 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4545 resource->res3.length = sizeof(struct acpi_resource);
4546 memcpy(&resource->res3.data.irq, &irq->irq,
4547 sizeof(struct acpi_resource_irq));
4548 /* we requested a shared irq */
4549 resource->res3.data.irq.sharable = ACPI_SHARED;
4550
4551 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4552 resource->res4.length = sizeof(struct acpi_resource);
4553 }
4554 /* setup Type 2/3 resources */
4555 else {
4556 /* setup io resource */
4557 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4558 resource->res1.length = sizeof(struct acpi_resource);
4559 memcpy(&resource->res1.data.io, &ioport->io1,
4560 sizeof(struct acpi_resource_io));
4561
4562 /* setup irq resource */
4563 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4564 resource->res2.length = sizeof(struct acpi_resource);
4565 memcpy(&resource->res2.data.irq, &irq->irq,
4566 sizeof(struct acpi_resource_irq));
4567 /* we requested a shared irq */
4568 resource->res2.data.irq.sharable = ACPI_SHARED;
4569
4570 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4571 resource->res3.length = sizeof(struct acpi_resource);
4572 }
4573
4574 /* Attempt to set the resource */
4575 dprintk("Evaluating _SRS\n");
4576 status = acpi_set_current_resources(device->handle, &buffer);
4577
4578 /* check for total failure */
4579 if (ACPI_FAILURE(status)) {
4580 pr_err("Error evaluating _SRS\n");
4581 result = -ENODEV;
4582 goto end;
4583 }
4584
4585 /* Necessary device initializations calls (from sonypi) */
4586 sony_pic_call1(0x82);
4587 sony_pic_call2(0x81, 0xff);
4588 sony_pic_call1(compat ? 0x92 : 0x82);
4589
4590 end:
4591 kfree(resource);
4592 return result;
4593 }
4594
4595 /*****************
4596 *
4597 * ISR: some event is available
4598 *
4599 *****************/
sony_pic_irq(int irq,void * dev_id)4600 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4601 {
4602 int i, j;
4603 u8 ev = 0;
4604 u8 data_mask = 0;
4605 u8 device_event = 0;
4606
4607 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4608
4609 ev = inb_p(dev->cur_ioport->io1.minimum);
4610 if (dev->cur_ioport->io2.minimum)
4611 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4612 else
4613 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4614 dev->evport_offset);
4615
4616 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4617 ev, data_mask, dev->cur_ioport->io1.minimum,
4618 dev->evport_offset);
4619
4620 if (ev == 0x00 || ev == 0xff)
4621 return IRQ_HANDLED;
4622
4623 for (i = 0; dev->event_types[i].mask; i++) {
4624
4625 if ((data_mask & dev->event_types[i].data) !=
4626 dev->event_types[i].data)
4627 continue;
4628
4629 if (!(mask & dev->event_types[i].mask))
4630 continue;
4631
4632 for (j = 0; dev->event_types[i].events[j].event; j++) {
4633 if (ev == dev->event_types[i].events[j].data) {
4634 device_event =
4635 dev->event_types[i].events[j].event;
4636 /* some events may require ignoring */
4637 if (!device_event)
4638 return IRQ_HANDLED;
4639 goto found;
4640 }
4641 }
4642 }
4643 /* Still not able to decode the event try to pass
4644 * it over to the minidriver
4645 */
4646 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4647 return IRQ_HANDLED;
4648
4649 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4650 ev, data_mask, dev->cur_ioport->io1.minimum,
4651 dev->evport_offset);
4652 return IRQ_HANDLED;
4653
4654 found:
4655 sony_laptop_report_input_event(device_event);
4656 sonypi_compat_report_event(device_event);
4657 return IRQ_HANDLED;
4658 }
4659
4660 /*****************
4661 *
4662 * ACPI driver
4663 *
4664 *****************/
sony_pic_remove(struct acpi_device * device)4665 static int sony_pic_remove(struct acpi_device *device)
4666 {
4667 struct sony_pic_ioport *io, *tmp_io;
4668 struct sony_pic_irq *irq, *tmp_irq;
4669
4670 if (sony_pic_disable(device)) {
4671 pr_err("Couldn't disable device\n");
4672 return -ENXIO;
4673 }
4674
4675 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4676 release_region(spic_dev.cur_ioport->io1.minimum,
4677 spic_dev.cur_ioport->io1.address_length);
4678 if (spic_dev.cur_ioport->io2.minimum)
4679 release_region(spic_dev.cur_ioport->io2.minimum,
4680 spic_dev.cur_ioport->io2.address_length);
4681
4682 sonypi_compat_exit();
4683
4684 sony_laptop_remove_input();
4685
4686 /* pf attrs */
4687 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4688 sony_pf_remove();
4689
4690 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4691 list_del(&io->list);
4692 kfree(io);
4693 }
4694 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4695 list_del(&irq->list);
4696 kfree(irq);
4697 }
4698 spic_dev.cur_ioport = NULL;
4699 spic_dev.cur_irq = NULL;
4700
4701 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4702 return 0;
4703 }
4704
sony_pic_add(struct acpi_device * device)4705 static int sony_pic_add(struct acpi_device *device)
4706 {
4707 int result;
4708 struct sony_pic_ioport *io, *tmp_io;
4709 struct sony_pic_irq *irq, *tmp_irq;
4710
4711 spic_dev.acpi_dev = device;
4712 strcpy(acpi_device_class(device), "sony/hotkey");
4713 sony_pic_detect_device_type(&spic_dev);
4714 mutex_init(&spic_dev.lock);
4715
4716 /* read _PRS resources */
4717 result = sony_pic_possible_resources(device);
4718 if (result) {
4719 pr_err("Unable to read possible resources\n");
4720 goto err_free_resources;
4721 }
4722
4723 /* setup input devices and helper fifo */
4724 result = sony_laptop_setup_input(device);
4725 if (result) {
4726 pr_err("Unable to create input devices\n");
4727 goto err_free_resources;
4728 }
4729
4730 result = sonypi_compat_init();
4731 if (result)
4732 goto err_remove_input;
4733
4734 /* request io port */
4735 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4736 if (request_region(io->io1.minimum, io->io1.address_length,
4737 "Sony Programmable I/O Device")) {
4738 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4739 io->io1.minimum, io->io1.maximum,
4740 io->io1.address_length);
4741 /* Type 1 have 2 ioports */
4742 if (io->io2.minimum) {
4743 if (request_region(io->io2.minimum,
4744 io->io2.address_length,
4745 "Sony Programmable I/O Device")) {
4746 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4747 io->io2.minimum, io->io2.maximum,
4748 io->io2.address_length);
4749 spic_dev.cur_ioport = io;
4750 break;
4751 }
4752 else {
4753 dprintk("Unable to get I/O port2: "
4754 "0x%.4x (0x%.4x) + 0x%.2x\n",
4755 io->io2.minimum, io->io2.maximum,
4756 io->io2.address_length);
4757 release_region(io->io1.minimum,
4758 io->io1.address_length);
4759 }
4760 }
4761 else {
4762 spic_dev.cur_ioport = io;
4763 break;
4764 }
4765 }
4766 }
4767 if (!spic_dev.cur_ioport) {
4768 pr_err("Failed to request_region\n");
4769 result = -ENODEV;
4770 goto err_remove_compat;
4771 }
4772
4773 /* request IRQ */
4774 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4775 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4776 0, "sony-laptop", &spic_dev)) {
4777 dprintk("IRQ: %d - triggering: %d - "
4778 "polarity: %d - shr: %d\n",
4779 irq->irq.interrupts[0],
4780 irq->irq.triggering,
4781 irq->irq.polarity,
4782 irq->irq.sharable);
4783 spic_dev.cur_irq = irq;
4784 break;
4785 }
4786 }
4787 if (!spic_dev.cur_irq) {
4788 pr_err("Failed to request_irq\n");
4789 result = -ENODEV;
4790 goto err_release_region;
4791 }
4792
4793 /* set resource status _SRS */
4794 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4795 if (result) {
4796 pr_err("Couldn't enable device\n");
4797 goto err_free_irq;
4798 }
4799
4800 spic_dev.bluetooth_power = -1;
4801 /* create device attributes */
4802 result = sony_pf_add();
4803 if (result)
4804 goto err_disable_device;
4805
4806 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4807 if (result)
4808 goto err_remove_pf;
4809
4810 pr_info("SPIC setup done.\n");
4811 return 0;
4812
4813 err_remove_pf:
4814 sony_pf_remove();
4815
4816 err_disable_device:
4817 sony_pic_disable(device);
4818
4819 err_free_irq:
4820 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4821
4822 err_release_region:
4823 release_region(spic_dev.cur_ioport->io1.minimum,
4824 spic_dev.cur_ioport->io1.address_length);
4825 if (spic_dev.cur_ioport->io2.minimum)
4826 release_region(spic_dev.cur_ioport->io2.minimum,
4827 spic_dev.cur_ioport->io2.address_length);
4828
4829 err_remove_compat:
4830 sonypi_compat_exit();
4831
4832 err_remove_input:
4833 sony_laptop_remove_input();
4834
4835 err_free_resources:
4836 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4837 list_del(&io->list);
4838 kfree(io);
4839 }
4840 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4841 list_del(&irq->list);
4842 kfree(irq);
4843 }
4844 spic_dev.cur_ioport = NULL;
4845 spic_dev.cur_irq = NULL;
4846
4847 return result;
4848 }
4849
4850 #ifdef CONFIG_PM_SLEEP
sony_pic_suspend(struct device * dev)4851 static int sony_pic_suspend(struct device *dev)
4852 {
4853 if (sony_pic_disable(to_acpi_device(dev)))
4854 return -ENXIO;
4855 return 0;
4856 }
4857
sony_pic_resume(struct device * dev)4858 static int sony_pic_resume(struct device *dev)
4859 {
4860 sony_pic_enable(to_acpi_device(dev),
4861 spic_dev.cur_ioport, spic_dev.cur_irq);
4862 return 0;
4863 }
4864 #endif
4865
4866 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4867
4868 static const struct acpi_device_id sony_pic_device_ids[] = {
4869 {SONY_PIC_HID, 0},
4870 {"", 0},
4871 };
4872
4873 static struct acpi_driver sony_pic_driver = {
4874 .name = SONY_PIC_DRIVER_NAME,
4875 .class = SONY_PIC_CLASS,
4876 .ids = sony_pic_device_ids,
4877 .owner = THIS_MODULE,
4878 .ops = {
4879 .add = sony_pic_add,
4880 .remove = sony_pic_remove,
4881 },
4882 .drv.pm = &sony_pic_pm,
4883 };
4884
4885 static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
4886 {
4887 .ident = "Sony Vaio",
4888 .matches = {
4889 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4890 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4891 },
4892 },
4893 {
4894 .ident = "Sony Vaio",
4895 .matches = {
4896 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4897 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4898 },
4899 },
4900 { }
4901 };
4902
sony_laptop_init(void)4903 static int __init sony_laptop_init(void)
4904 {
4905 int result;
4906
4907 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4908 result = acpi_bus_register_driver(&sony_pic_driver);
4909 if (result) {
4910 pr_err("Unable to register SPIC driver\n");
4911 goto out;
4912 }
4913 spic_drv_registered = 1;
4914 }
4915
4916 result = acpi_bus_register_driver(&sony_nc_driver);
4917 if (result) {
4918 pr_err("Unable to register SNC driver\n");
4919 goto out_unregister_pic;
4920 }
4921
4922 return 0;
4923
4924 out_unregister_pic:
4925 if (spic_drv_registered)
4926 acpi_bus_unregister_driver(&sony_pic_driver);
4927 out:
4928 return result;
4929 }
4930
sony_laptop_exit(void)4931 static void __exit sony_laptop_exit(void)
4932 {
4933 acpi_bus_unregister_driver(&sony_nc_driver);
4934 if (spic_drv_registered)
4935 acpi_bus_unregister_driver(&sony_pic_driver);
4936 }
4937
4938 module_init(sony_laptop_init);
4939 module_exit(sony_laptop_exit);
4940
