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cris/uaccess: fix sparse errors
[linux-2.6/btrfs-unstable.git] / drivers / platform / x86 / sony-laptop.c
blob6dd1c0e7dcd9af81a43db55f0c4ba87956e37dde
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
46
47 #include <linux/kernel.h>
48 #include <linux/module.h>
49 #include <linux/moduleparam.h>
50 #include <linux/init.h>
51 #include <linux/types.h>
52 #include <linux/backlight.h>
53 #include <linux/platform_device.h>
54 #include <linux/err.h>
55 #include <linux/dmi.h>
56 #include <linux/pci.h>
57 #include <linux/interrupt.h>
58 #include <linux/delay.h>
59 #include <linux/input.h>
60 #include <linux/kfifo.h>
61 #include <linux/workqueue.h>
62 #include <linux/acpi.h>
63 #include <linux/slab.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71 #include <asm/uaccess.h>
72
73 #define dprintk(fmt, ...) \
74 do { \
75 if (debug) \
76 pr_warn(fmt, ##__VA_ARGS__); \
77 } while (0)
78
79 #define SONY_NC_CLASS "sony-nc"
80 #define SONY_NC_HID "SNY5001"
81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
82
83 #define SONY_PIC_CLASS "sony-pic"
84 #define SONY_PIC_HID "SNY6001"
85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
86
87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89 MODULE_LICENSE("GPL");
90
91 static int debug;
92 module_param(debug, int, 0);
93 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
94 "the development of this driver");
95
96 static int no_spic; /* = 0 */
97 module_param(no_spic, int, 0444);
98 MODULE_PARM_DESC(no_spic,
99 "set this if you don't want to enable the SPIC device");
100
101 static int compat; /* = 0 */
102 module_param(compat, int, 0444);
103 MODULE_PARM_DESC(compat,
104 "set this if you want to enable backward compatibility mode");
105
106 static unsigned long mask = 0xffffffff;
107 module_param(mask, ulong, 0644);
108 MODULE_PARM_DESC(mask,
109 "set this to the mask of event you want to enable (see doc)");
110
111 static int camera; /* = 0 */
112 module_param(camera, int, 0444);
113 MODULE_PARM_DESC(camera,
114 "set this to 1 to enable Motion Eye camera controls "
115 "(only use it if you have a C1VE or C1VN model)");
116
117 #ifdef CONFIG_SONYPI_COMPAT
118 static int minor = -1;
119 module_param(minor, int, 0);
120 MODULE_PARM_DESC(minor,
121 "minor number of the misc device for the SPIC compatibility code, "
122 "default is -1 (automatic)");
123 #endif
124
125 static int kbd_backlight = -1;
126 module_param(kbd_backlight, int, 0444);
127 MODULE_PARM_DESC(kbd_backlight,
128 "set this to 0 to disable keyboard backlight, "
129 "1 to enable it with automatic control and 2 to have it always "
130 "on (default: no change from current value)");
131
132 static int kbd_backlight_timeout = -1;
133 module_param(kbd_backlight_timeout, int, 0444);
134 MODULE_PARM_DESC(kbd_backlight_timeout,
135 "meaningful values vary from 0 to 3 and their meaning depends "
136 "on the model (default: no change from current value)");
137
138 #ifdef CONFIG_PM_SLEEP
139 static void sony_nc_thermal_resume(void);
140 #endif
141 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
142 unsigned int handle);
143 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
144 unsigned int handle);
145
146 static int sony_nc_battery_care_setup(struct platform_device *pd,
147 unsigned int handle);
148 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
149
150 static int sony_nc_thermal_setup(struct platform_device *pd);
151 static void sony_nc_thermal_cleanup(struct platform_device *pd);
152
153 static int sony_nc_lid_resume_setup(struct platform_device *pd,
154 unsigned int handle);
155 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
156
157 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
158 unsigned int handle);
159 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
160 static int __sony_nc_gfx_switch_status_get(void);
161
162 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
163 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
164
165 static int sony_nc_lowbatt_setup(struct platform_device *pd);
166 static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
167
168 static int sony_nc_fanspeed_setup(struct platform_device *pd);
169 static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
170
171 static int sony_nc_usb_charge_setup(struct platform_device *pd);
172 static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
173
174 static int sony_nc_panelid_setup(struct platform_device *pd);
175 static void sony_nc_panelid_cleanup(struct platform_device *pd);
176
177 static int sony_nc_smart_conn_setup(struct platform_device *pd);
178 static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
179
180 static int sony_nc_touchpad_setup(struct platform_device *pd,
181 unsigned int handle);
182 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
183
184 enum sony_nc_rfkill {
185 SONY_WIFI,
186 SONY_BLUETOOTH,
187 SONY_WWAN,
188 SONY_WIMAX,
189 N_SONY_RFKILL,
190 };
191
192 static int sony_rfkill_handle;
193 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
194 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
195 static int sony_nc_rfkill_setup(struct acpi_device *device,
196 unsigned int handle);
197 static void sony_nc_rfkill_cleanup(void);
198 static void sony_nc_rfkill_update(void);
199
200 /*********** Input Devices ***********/
201
202 #define SONY_LAPTOP_BUF_SIZE 128
203 struct sony_laptop_input_s {
204 atomic_t users;
205 struct input_dev *jog_dev;
206 struct input_dev *key_dev;
207 struct kfifo fifo;
208 spinlock_t fifo_lock;
209 struct timer_list release_key_timer;
210 };
211
212 static struct sony_laptop_input_s sony_laptop_input = {
213 .users = ATOMIC_INIT(0),
214 };
215
216 struct sony_laptop_keypress {
217 struct input_dev *dev;
218 int key;
219 };
220
221 /* Correspondance table between sonypi events
222 * and input layer indexes in the keymap
223 */
224 static int sony_laptop_input_index[] = {
225 -1, /* 0 no event */
226 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
227 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
228 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
229 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
230 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
231 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
232 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
233 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
234 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
235 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
236 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
237 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
238 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
239 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
240 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
241 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
242 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
243 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
244 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
245 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
246 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
247 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
248 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
249 17, /* 24 SONYPI_EVENT_FNKEY_1 */
250 18, /* 25 SONYPI_EVENT_FNKEY_2 */
251 19, /* 26 SONYPI_EVENT_FNKEY_D */
252 20, /* 27 SONYPI_EVENT_FNKEY_E */
253 21, /* 28 SONYPI_EVENT_FNKEY_F */
254 22, /* 29 SONYPI_EVENT_FNKEY_S */
255 23, /* 30 SONYPI_EVENT_FNKEY_B */
256 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
257 25, /* 32 SONYPI_EVENT_PKEY_P1 */
258 26, /* 33 SONYPI_EVENT_PKEY_P2 */
259 27, /* 34 SONYPI_EVENT_PKEY_P3 */
260 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
261 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
262 -1, /* 37 SONYPI_EVENT_LID_OPENED */
263 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
264 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
265 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
266 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
267 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
268 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
269 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
270 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
271 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
272 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
273 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
274 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
275 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
276 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
277 43, /* 52 SONYPI_EVENT_MEYE_FACE */
278 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
279 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
280 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
281 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
282 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
283 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
284 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
285 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
286 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
287 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
288 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
289 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
290 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
291 53, /* 66 SONYPI_EVENT_PKEY_P4 */
292 54, /* 67 SONYPI_EVENT_PKEY_P5 */
293 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
294 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
295 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
296 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
297 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
298 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
299 };
300
301 static int sony_laptop_input_keycode_map[] = {
302 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
303 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
304 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
305 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
306 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
307 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
308 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
309 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
310 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
311 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
312 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
313 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
314 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
315 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
316 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
317 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
318 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
319 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
320 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
321 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
322 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
323 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
324 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
325 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
326 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
327 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
328 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
329 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
330 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
331 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
332 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
333 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
334 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
335 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
336 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
337 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
338 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
339 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
340 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
341 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
342 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
343 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
344 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
345 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
346 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
347 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
348 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
349 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
350 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
351 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
352 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
353 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
354 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
355 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
356 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
357 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
358 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
359 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
360 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
361 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
362 };
363
364 /* release buttons after a short delay if pressed */
365 static void do_sony_laptop_release_key(unsigned long unused)
366 {
367 struct sony_laptop_keypress kp;
368 unsigned long flags;
369
370 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
371
372 if (kfifo_out(&sony_laptop_input.fifo,
373 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
374 input_report_key(kp.dev, kp.key, 0);
375 input_sync(kp.dev);
376 }
377
378 /* If there is something in the fifo schedule next release. */
379 if (kfifo_len(&sony_laptop_input.fifo) != 0)
380 mod_timer(&sony_laptop_input.release_key_timer,
381 jiffies + msecs_to_jiffies(10));
382
383 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
384 }
385
386 /* forward event to the input subsystem */
387 static void sony_laptop_report_input_event(u8 event)
388 {
389 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
390 struct input_dev *key_dev = sony_laptop_input.key_dev;
391 struct sony_laptop_keypress kp = { NULL };
392 int scancode = -1;
393
394 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
395 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
396 /* Nothing, not all VAIOs generate this event */
397 return;
398 }
399
400 /* report events */
401 switch (event) {
402 /* jog_dev events */
403 case SONYPI_EVENT_JOGDIAL_UP:
404 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
405 input_report_rel(jog_dev, REL_WHEEL, 1);
406 input_sync(jog_dev);
407 return;
408
409 case SONYPI_EVENT_JOGDIAL_DOWN:
410 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
411 input_report_rel(jog_dev, REL_WHEEL, -1);
412 input_sync(jog_dev);
413 return;
414
415 /* key_dev events */
416 case SONYPI_EVENT_JOGDIAL_PRESSED:
417 kp.key = BTN_MIDDLE;
418 kp.dev = jog_dev;
419 break;
420
421 default:
422 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
423 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
424 break;
425 }
426 if ((scancode = sony_laptop_input_index[event]) != -1) {
427 kp.key = sony_laptop_input_keycode_map[scancode];
428 if (kp.key != KEY_UNKNOWN)
429 kp.dev = key_dev;
430 }
431 break;
432 }
433
434 if (kp.dev) {
435 /* if we have a scancode we emit it so we can always
436 remap the key */
437 if (scancode != -1)
438 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
439 input_report_key(kp.dev, kp.key, 1);
440 input_sync(kp.dev);
441
442 /* schedule key release */
443 kfifo_in_locked(&sony_laptop_input.fifo,
444 (unsigned char *)&kp, sizeof(kp),
445 &sony_laptop_input.fifo_lock);
446 mod_timer(&sony_laptop_input.release_key_timer,
447 jiffies + msecs_to_jiffies(10));
448 } else
449 dprintk("unknown input event %.2x\n", event);
450 }
451
452 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
453 {
454 struct input_dev *jog_dev;
455 struct input_dev *key_dev;
456 int i;
457 int error;
458
459 /* don't run again if already initialized */
460 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
461 return 0;
462
463 /* kfifo */
464 spin_lock_init(&sony_laptop_input.fifo_lock);
465 error = kfifo_alloc(&sony_laptop_input.fifo,
466 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
467 if (error) {
468 pr_err("kfifo_alloc failed\n");
469 goto err_dec_users;
470 }
471
472 setup_timer(&sony_laptop_input.release_key_timer,
473 do_sony_laptop_release_key, 0);
474
475 /* input keys */
476 key_dev = input_allocate_device();
477 if (!key_dev) {
478 error = -ENOMEM;
479 goto err_free_kfifo;
480 }
481
482 key_dev->name = "Sony Vaio Keys";
483 key_dev->id.bustype = BUS_ISA;
484 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
485 key_dev->dev.parent = &acpi_device->dev;
486
487 /* Initialize the Input Drivers: special keys */
488 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
489
490 __set_bit(EV_KEY, key_dev->evbit);
491 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
492 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
493 key_dev->keycode = &sony_laptop_input_keycode_map;
494 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
495 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
496 __clear_bit(KEY_RESERVED, key_dev->keybit);
497
498 error = input_register_device(key_dev);
499 if (error)
500 goto err_free_keydev;
501
502 sony_laptop_input.key_dev = key_dev;
503
504 /* jogdial */
505 jog_dev = input_allocate_device();
506 if (!jog_dev) {
507 error = -ENOMEM;
508 goto err_unregister_keydev;
509 }
510
511 jog_dev->name = "Sony Vaio Jogdial";
512 jog_dev->id.bustype = BUS_ISA;
513 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
514 jog_dev->dev.parent = &acpi_device->dev;
515
516 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
517 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
518
519 error = input_register_device(jog_dev);
520 if (error)
521 goto err_free_jogdev;
522
523 sony_laptop_input.jog_dev = jog_dev;
524
525 return 0;
526
527 err_free_jogdev:
528 input_free_device(jog_dev);
529
530 err_unregister_keydev:
531 input_unregister_device(key_dev);
532 /* to avoid kref underflow below at input_free_device */
533 key_dev = NULL;
534
535 err_free_keydev:
536 input_free_device(key_dev);
537
538 err_free_kfifo:
539 kfifo_free(&sony_laptop_input.fifo);
540
541 err_dec_users:
542 atomic_dec(&sony_laptop_input.users);
543 return error;
544 }
545
546 static void sony_laptop_remove_input(void)
547 {
548 struct sony_laptop_keypress kp = { NULL };
549
550 /* Cleanup only after the last user has gone */
551 if (!atomic_dec_and_test(&sony_laptop_input.users))
552 return;
553
554 del_timer_sync(&sony_laptop_input.release_key_timer);
555
556 /*
557 * Generate key-up events for remaining keys. Note that we don't
558 * need locking since nobody is adding new events to the kfifo.
559 */
560 while (kfifo_out(&sony_laptop_input.fifo,
561 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
562 input_report_key(kp.dev, kp.key, 0);
563 input_sync(kp.dev);
564 }
565
566 /* destroy input devs */
567 input_unregister_device(sony_laptop_input.key_dev);
568 sony_laptop_input.key_dev = NULL;
569
570 if (sony_laptop_input.jog_dev) {
571 input_unregister_device(sony_laptop_input.jog_dev);
572 sony_laptop_input.jog_dev = NULL;
573 }
574
575 kfifo_free(&sony_laptop_input.fifo);
576 }
577
578 /*********** Platform Device ***********/
579
580 static atomic_t sony_pf_users = ATOMIC_INIT(0);
581 static struct platform_driver sony_pf_driver = {
582 .driver = {
583 .name = "sony-laptop",
584 }
585 };
586 static struct platform_device *sony_pf_device;
587
588 static int sony_pf_add(void)
589 {
590 int ret = 0;
591
592 /* don't run again if already initialized */
593 if (atomic_add_return(1, &sony_pf_users) > 1)
594 return 0;
595
596 ret = platform_driver_register(&sony_pf_driver);
597 if (ret)
598 goto out;
599
600 sony_pf_device = platform_device_alloc("sony-laptop", -1);
601 if (!sony_pf_device) {
602 ret = -ENOMEM;
603 goto out_platform_registered;
604 }
605
606 ret = platform_device_add(sony_pf_device);
607 if (ret)
608 goto out_platform_alloced;
609
610 return 0;
611
612 out_platform_alloced:
613 platform_device_put(sony_pf_device);
614 sony_pf_device = NULL;
615 out_platform_registered:
616 platform_driver_unregister(&sony_pf_driver);
617 out:
618 atomic_dec(&sony_pf_users);
619 return ret;
620 }
621
622 static void sony_pf_remove(void)
623 {
624 /* deregister only after the last user has gone */
625 if (!atomic_dec_and_test(&sony_pf_users))
626 return;
627
628 platform_device_unregister(sony_pf_device);
629 platform_driver_unregister(&sony_pf_driver);
630 }
631
632 /*********** SNC (SNY5001) Device ***********/
633
634 /* the device uses 1-based values, while the backlight subsystem uses
635 0-based values */
636 #define SONY_MAX_BRIGHTNESS 8
637
638 #define SNC_VALIDATE_IN 0
639 #define SNC_VALIDATE_OUT 1
640
641 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
642 char *);
643 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
644 const char *, size_t);
645 static int boolean_validate(const int, const int);
646 static int brightness_default_validate(const int, const int);
647
648 struct sony_nc_value {
649 char *name; /* name of the entry */
650 char **acpiget; /* names of the ACPI get function */
651 char **acpiset; /* names of the ACPI set function */
652 int (*validate)(const int, const int); /* input/output validation */
653 int value; /* current setting */
654 int valid; /* Has ever been set */
655 int debug; /* active only in debug mode ? */
656 struct device_attribute devattr; /* sysfs attribute */
657 };
658
659 #define SNC_HANDLE_NAMES(_name, _values...) \
660 static char *snc_##_name[] = { _values, NULL }
661
662 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
663 { \
664 .name = __stringify(_name), \
665 .acpiget = _getters, \
666 .acpiset = _setters, \
667 .validate = _validate, \
668 .debug = _debug, \
669 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
670 }
671
672 #define SNC_HANDLE_NULL { .name = NULL }
673
674 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
675
676 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
677 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
678
679 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
680 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
681
682 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
683 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
684
685 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
686 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
687
688 SNC_HANDLE_NAMES(lidstate_get, "GLID");
689
690 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
691 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
692
693 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
694 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
695
696 SNC_HANDLE_NAMES(PID_get, "GPID");
697
698 SNC_HANDLE_NAMES(CTR_get, "GCTR");
699 SNC_HANDLE_NAMES(CTR_set, "SCTR");
700
701 SNC_HANDLE_NAMES(PCR_get, "GPCR");
702 SNC_HANDLE_NAMES(PCR_set, "SPCR");
703
704 SNC_HANDLE_NAMES(CMI_get, "GCMI");
705 SNC_HANDLE_NAMES(CMI_set, "SCMI");
706
707 static struct sony_nc_value sony_nc_values[] = {
708 SNC_HANDLE(brightness_default, snc_brightness_def_get,
709 snc_brightness_def_set, brightness_default_validate, 0),
710 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
711 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
712 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
713 boolean_validate, 0),
714 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
715 boolean_validate, 1),
716 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
717 boolean_validate, 0),
718 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
719 boolean_validate, 0),
720 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
721 boolean_validate, 0),
722 /* unknown methods */
723 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
724 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
725 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
726 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
727 SNC_HANDLE_NULL
728 };
729
730 static acpi_handle sony_nc_acpi_handle;
731 static struct acpi_device *sony_nc_acpi_device = NULL;
732
733 /*
734 * acpi_evaluate_object wrappers
735 * all useful calls into SNC methods take one or zero parameters and return
736 * integers or arrays.
737 */
738 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
739 u64 *value)
740 {
741 union acpi_object *result = NULL;
742 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
743 acpi_status status;
744
745 if (value) {
746 struct acpi_object_list params;
747 union acpi_object in;
748 in.type = ACPI_TYPE_INTEGER;
749 in.integer.value = *value;
750 params.count = 1;
751 params.pointer = &in;
752 status = acpi_evaluate_object(handle, method, &params, &output);
753 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
754 (unsigned int)(*value >> 32),
755 (unsigned int)*value & 0xffffffff);
756 } else {
757 status = acpi_evaluate_object(handle, method, NULL, &output);
758 dprintk("__call_snc_method: [%s]\n", method);
759 }
760
761 if (ACPI_FAILURE(status)) {
762 pr_err("Failed to evaluate [%s]\n", method);
763 return NULL;
764 }
765
766 result = (union acpi_object *) output.pointer;
767 if (!result)
768 dprintk("No return object [%s]\n", method);
769
770 return result;
771 }
772
773 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
774 int *result)
775 {
776 union acpi_object *object = NULL;
777 if (value) {
778 u64 v = *value;
779 object = __call_snc_method(handle, name, &v);
780 } else
781 object = __call_snc_method(handle, name, NULL);
782
783 if (!object)
784 return -EINVAL;
785
786 if (object->type != ACPI_TYPE_INTEGER) {
787 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
788 ACPI_TYPE_INTEGER, object->type);
789 kfree(object);
790 return -EINVAL;
791 }
792
793 if (result)
794 *result = object->integer.value;
795
796 kfree(object);
797 return 0;
798 }
799
800 #define MIN(a, b) (a > b ? b : a)
801 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
802 void *buffer, size_t buflen)
803 {
804 int ret = 0;
805 size_t len;
806 union acpi_object *object = __call_snc_method(handle, name, value);
807
808 if (!object)
809 return -EINVAL;
810
811 if (object->type == ACPI_TYPE_BUFFER) {
812 len = MIN(buflen, object->buffer.length);
813 memcpy(buffer, object->buffer.pointer, len);
814
815 } else if (object->type == ACPI_TYPE_INTEGER) {
816 len = MIN(buflen, sizeof(object->integer.value));
817 memcpy(buffer, &object->integer.value, len);
818
819 } else {
820 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
821 ACPI_TYPE_BUFFER, object->type);
822 ret = -EINVAL;
823 }
824
825 kfree(object);
826 return ret;
827 }
828
829 struct sony_nc_handles {
830 u16 cap[0x10];
831 struct device_attribute devattr;
832 };
833
834 static struct sony_nc_handles *handles;
835
836 static ssize_t sony_nc_handles_show(struct device *dev,
837 struct device_attribute *attr, char *buffer)
838 {
839 ssize_t len = 0;
840 int i;
841
842 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
843 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
844 handles->cap[i]);
845 }
846 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
847
848 return len;
849 }
850
851 static int sony_nc_handles_setup(struct platform_device *pd)
852 {
853 int i, r, result, arg;
854
855 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
856 if (!handles)
857 return -ENOMEM;
858
859 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
860 arg = i + 0x20;
861 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
862 &result);
863 if (!r) {
864 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
865 result, i);
866 handles->cap[i] = result;
867 }
868 }
869
870 if (debug) {
871 sysfs_attr_init(&handles->devattr.attr);
872 handles->devattr.attr.name = "handles";
873 handles->devattr.attr.mode = S_IRUGO;
874 handles->devattr.show = sony_nc_handles_show;
875
876 /* allow reading capabilities via sysfs */
877 if (device_create_file(&pd->dev, &handles->devattr)) {
878 kfree(handles);
879 handles = NULL;
880 return -1;
881 }
882 }
883
884 return 0;
885 }
886
887 static int sony_nc_handles_cleanup(struct platform_device *pd)
888 {
889 if (handles) {
890 if (debug)
891 device_remove_file(&pd->dev, &handles->devattr);
892 kfree(handles);
893 handles = NULL;
894 }
895 return 0;
896 }
897
898 static int sony_find_snc_handle(int handle)
899 {
900 int i;
901
902 /* not initialized yet, return early */
903 if (!handles || !handle)
904 return -EINVAL;
905
906 for (i = 0; i < 0x10; i++) {
907 if (handles->cap[i] == handle) {
908 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
909 handle, i);
910 return i;
911 }
912 }
913 dprintk("handle 0x%.4x not found\n", handle);
914 return -EINVAL;
915 }
916
917 static int sony_call_snc_handle(int handle, int argument, int *result)
918 {
919 int arg, ret = 0;
920 int offset = sony_find_snc_handle(handle);
921
922 if (offset < 0)
923 return offset;
924
925 arg = offset | argument;
926 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
927 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
928 return ret;
929 }
930
931 /*
932 * sony_nc_values input/output validate functions
933 */
934
935 /* brightness_default_validate:
936 *
937 * manipulate input output values to keep consistency with the
938 * backlight framework for which brightness values are 0-based.
939 */
940 static int brightness_default_validate(const int direction, const int value)
941 {
942 switch (direction) {
943 case SNC_VALIDATE_OUT:
944 return value - 1;
945 case SNC_VALIDATE_IN:
946 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
947 return value + 1;
948 }
949 return -EINVAL;
950 }
951
952 /* boolean_validate:
953 *
954 * on input validate boolean values 0/1, on output just pass the
955 * received value.
956 */
957 static int boolean_validate(const int direction, const int value)
958 {
959 if (direction == SNC_VALIDATE_IN) {
960 if (value != 0 && value != 1)
961 return -EINVAL;
962 }
963 return value;
964 }
965
966 /*
967 * Sysfs show/store common to all sony_nc_values
968 */
969 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
970 char *buffer)
971 {
972 int value, ret = 0;
973 struct sony_nc_value *item =
974 container_of(attr, struct sony_nc_value, devattr);
975
976 if (!*item->acpiget)
977 return -EIO;
978
979 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
980 &value);
981 if (ret < 0)
982 return -EIO;
983
984 if (item->validate)
985 value = item->validate(SNC_VALIDATE_OUT, value);
986
987 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
988 }
989
990 static ssize_t sony_nc_sysfs_store(struct device *dev,
991 struct device_attribute *attr,
992 const char *buffer, size_t count)
993 {
994 int value;
995 int ret = 0;
996 struct sony_nc_value *item =
997 container_of(attr, struct sony_nc_value, devattr);
998
999 if (!item->acpiset)
1000 return -EIO;
1001
1002 if (count > 31)
1003 return -EINVAL;
1004
1005 if (kstrtoint(buffer, 10, &value))
1006 return -EINVAL;
1007
1008 if (item->validate)
1009 value = item->validate(SNC_VALIDATE_IN, value);
1010
1011 if (value < 0)
1012 return value;
1013
1014 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1015 &value, NULL);
1016 if (ret < 0)
1017 return -EIO;
1018
1019 item->value = value;
1020 item->valid = 1;
1021 return count;
1022 }
1023
1024
1025 /*
1026 * Backlight device
1027 */
1028 struct sony_backlight_props {
1029 struct backlight_device *dev;
1030 int handle;
1031 int cmd_base;
1032 u8 offset;
1033 u8 maxlvl;
1034 };
1035 struct sony_backlight_props sony_bl_props;
1036
1037 static int sony_backlight_update_status(struct backlight_device *bd)
1038 {
1039 int arg = bd->props.brightness + 1;
1040 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1041 }
1042
1043 static int sony_backlight_get_brightness(struct backlight_device *bd)
1044 {
1045 int value;
1046
1047 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1048 return 0;
1049 /* brightness levels are 1-based, while backlight ones are 0-based */
1050 return value - 1;
1051 }
1052
1053 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1054 {
1055 int result;
1056 struct sony_backlight_props *sdev =
1057 (struct sony_backlight_props *)bl_get_data(bd);
1058
1059 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1060
1061 return (result & 0xff) - sdev->offset;
1062 }
1063
1064 static int sony_nc_update_status_ng(struct backlight_device *bd)
1065 {
1066 int value, result;
1067 struct sony_backlight_props *sdev =
1068 (struct sony_backlight_props *)bl_get_data(bd);
1069
1070 value = bd->props.brightness + sdev->offset;
1071 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1072 &result))
1073 return -EIO;
1074
1075 return value;
1076 }
1077
1078 static const struct backlight_ops sony_backlight_ops = {
1079 .options = BL_CORE_SUSPENDRESUME,
1080 .update_status = sony_backlight_update_status,
1081 .get_brightness = sony_backlight_get_brightness,
1082 };
1083 static const struct backlight_ops sony_backlight_ng_ops = {
1084 .options = BL_CORE_SUSPENDRESUME,
1085 .update_status = sony_nc_update_status_ng,
1086 .get_brightness = sony_nc_get_brightness_ng,
1087 };
1088
1089 /*
1090 * New SNC-only Vaios event mapping to driver known keys
1091 */
1092 struct sony_nc_event {
1093 u8 data;
1094 u8 event;
1095 };
1096
1097 static struct sony_nc_event sony_100_events[] = {
1098 { 0x90, SONYPI_EVENT_PKEY_P1 },
1099 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1100 { 0x91, SONYPI_EVENT_PKEY_P2 },
1101 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1102 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1103 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1104 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1105 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1106 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1107 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1108 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1109 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1110 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1111 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1112 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1113 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1114 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1115 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1116 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1117 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1118 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1119 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1120 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1121 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1122 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1123 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1124 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1125 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1126 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1127 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1128 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1129 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1130 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1131 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1132 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1133 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1134 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1135 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1136 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1137 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1138 { 0xa8, SONYPI_EVENT_FNKEY_1 },
1139 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
1140 { 0, 0 },
1141 };
1142
1143 static struct sony_nc_event sony_127_events[] = {
1144 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1145 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1146 { 0x82, SONYPI_EVENT_PKEY_P1 },
1147 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1148 { 0x83, SONYPI_EVENT_PKEY_P2 },
1149 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1150 { 0x84, SONYPI_EVENT_PKEY_P3 },
1151 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1152 { 0x85, SONYPI_EVENT_PKEY_P4 },
1153 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1154 { 0x86, SONYPI_EVENT_PKEY_P5 },
1155 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1156 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1157 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1158 { 0, 0 },
1159 };
1160
1161 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1162 {
1163 int ret = -EINVAL;
1164 unsigned int result = 0;
1165 struct sony_nc_event *key_event;
1166
1167 if (sony_call_snc_handle(handle, 0x200, &result)) {
1168 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1169 event);
1170 return -EINVAL;
1171 }
1172
1173 result &= 0xFF;
1174
1175 if (handle == 0x0100)
1176 key_event = sony_100_events;
1177 else
1178 key_event = sony_127_events;
1179
1180 for (; key_event->data; key_event++) {
1181 if (key_event->data == result) {
1182 ret = key_event->event;
1183 break;
1184 }
1185 }
1186
1187 if (!key_event->data)
1188 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1189 event, result, handle);
1190
1191 return ret;
1192 }
1193
1194 /*
1195 * ACPI callbacks
1196 */
1197 enum event_types {
1198 HOTKEY = 1,
1199 KILLSWITCH,
1200 GFX_SWITCH
1201 };
1202 static void sony_nc_notify(struct acpi_device *device, u32 event)
1203 {
1204 u32 real_ev = event;
1205 u8 ev_type = 0;
1206 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1207
1208 if (event >= 0x90) {
1209 unsigned int result = 0;
1210 unsigned int arg = 0;
1211 unsigned int handle = 0;
1212 unsigned int offset = event - 0x90;
1213
1214 if (offset >= ARRAY_SIZE(handles->cap)) {
1215 pr_err("Event 0x%x outside of capabilities list\n",
1216 event);
1217 return;
1218 }
1219 handle = handles->cap[offset];
1220
1221 /* list of handles known for generating events */
1222 switch (handle) {
1223 /* hotkey event */
1224 case 0x0100:
1225 case 0x0127:
1226 ev_type = HOTKEY;
1227 real_ev = sony_nc_hotkeys_decode(event, handle);
1228
1229 if (real_ev > 0)
1230 sony_laptop_report_input_event(real_ev);
1231 else
1232 /* restore the original event for reporting */
1233 real_ev = event;
1234
1235 break;
1236
1237 /* wlan switch */
1238 case 0x0124:
1239 case 0x0135:
1240 /* events on this handle are reported when the
1241 * switch changes position or for battery
1242 * events. We'll notify both of them but only
1243 * update the rfkill device status when the
1244 * switch is moved.
1245 */
1246 ev_type = KILLSWITCH;
1247 sony_call_snc_handle(handle, 0x0100, &result);
1248 real_ev = result & 0x03;
1249
1250 /* hw switch event */
1251 if (real_ev == 1)
1252 sony_nc_rfkill_update();
1253
1254 break;
1255
1256 case 0x0128:
1257 case 0x0146:
1258 /* Hybrid GFX switching */
1259 sony_call_snc_handle(handle, 0x0000, &result);
1260 dprintk("GFX switch event received (reason: %s)\n",
1261 (result == 0x1) ? "switch change" :
1262 (result == 0x2) ? "output switch" :
1263 (result == 0x3) ? "output switch" :
1264 "");
1265
1266 ev_type = GFX_SWITCH;
1267 real_ev = __sony_nc_gfx_switch_status_get();
1268 break;
1269
1270 case 0x015B:
1271 /* Hybrid GFX switching SVS151290S */
1272 ev_type = GFX_SWITCH;
1273 real_ev = __sony_nc_gfx_switch_status_get();
1274 break;
1275 default:
1276 dprintk("Unknown event 0x%x for handle 0x%x\n",
1277 event, handle);
1278 break;
1279 }
1280
1281 /* clear the event (and the event reason when present) */
1282 arg = 1 << offset;
1283 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1284
1285 } else {
1286 /* old style event */
1287 ev_type = HOTKEY;
1288 sony_laptop_report_input_event(real_ev);
1289 }
1290 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1291 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1292 }
1293
1294 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1295 void *context, void **return_value)
1296 {
1297 struct acpi_device_info *info;
1298
1299 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1300 pr_warn("method: name: %4.4s, args %X\n",
1301 (char *)&info->name, info->param_count);
1302
1303 kfree(info);
1304 }
1305
1306 return AE_OK;
1307 }
1308
1309 /*
1310 * ACPI device
1311 */
1312 static void sony_nc_function_setup(struct acpi_device *device,
1313 struct platform_device *pf_device)
1314 {
1315 unsigned int i, result, bitmask, arg;
1316
1317 if (!handles)
1318 return;
1319
1320 /* setup found handles here */
1321 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1322 unsigned int handle = handles->cap[i];
1323
1324 if (!handle)
1325 continue;
1326
1327 dprintk("setting up handle 0x%.4x\n", handle);
1328
1329 switch (handle) {
1330 case 0x0100:
1331 case 0x0101:
1332 case 0x0127:
1333 /* setup hotkeys */
1334 sony_call_snc_handle(handle, 0, &result);
1335 break;
1336 case 0x0102:
1337 /* setup hotkeys */
1338 sony_call_snc_handle(handle, 0x100, &result);
1339 break;
1340 case 0x0105:
1341 case 0x0148:
1342 /* touchpad enable/disable */
1343 result = sony_nc_touchpad_setup(pf_device, handle);
1344 if (result)
1345 pr_err("couldn't set up touchpad control function (%d)\n",
1346 result);
1347 break;
1348 case 0x0115:
1349 case 0x0136:
1350 case 0x013f:
1351 result = sony_nc_battery_care_setup(pf_device, handle);
1352 if (result)
1353 pr_err("couldn't set up battery care function (%d)\n",
1354 result);
1355 break;
1356 case 0x0119:
1357 case 0x015D:
1358 result = sony_nc_lid_resume_setup(pf_device, handle);
1359 if (result)
1360 pr_err("couldn't set up lid resume function (%d)\n",
1361 result);
1362 break;
1363 case 0x0122:
1364 result = sony_nc_thermal_setup(pf_device);
1365 if (result)
1366 pr_err("couldn't set up thermal profile function (%d)\n",
1367 result);
1368 break;
1369 case 0x0128:
1370 case 0x0146:
1371 case 0x015B:
1372 result = sony_nc_gfx_switch_setup(pf_device, handle);
1373 if (result)
1374 pr_err("couldn't set up GFX Switch status (%d)\n",
1375 result);
1376 break;
1377 case 0x0131:
1378 result = sony_nc_highspeed_charging_setup(pf_device);
1379 if (result)
1380 pr_err("couldn't set up high speed charging function (%d)\n",
1381 result);
1382 break;
1383 case 0x0124:
1384 case 0x0135:
1385 result = sony_nc_rfkill_setup(device, handle);
1386 if (result)
1387 pr_err("couldn't set up rfkill support (%d)\n",
1388 result);
1389 break;
1390 case 0x0137:
1391 case 0x0143:
1392 case 0x014b:
1393 case 0x014c:
1394 case 0x0163:
1395 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1396 if (result)
1397 pr_err("couldn't set up keyboard backlight function (%d)\n",
1398 result);
1399 break;
1400 case 0x0121:
1401 result = sony_nc_lowbatt_setup(pf_device);
1402 if (result)
1403 pr_err("couldn't set up low battery function (%d)\n",
1404 result);
1405 break;
1406 case 0x0149:
1407 result = sony_nc_fanspeed_setup(pf_device);
1408 if (result)
1409 pr_err("couldn't set up fan speed function (%d)\n",
1410 result);
1411 break;
1412 case 0x0155:
1413 result = sony_nc_usb_charge_setup(pf_device);
1414 if (result)
1415 pr_err("couldn't set up USB charge support (%d)\n",
1416 result);
1417 break;
1418 case 0x011D:
1419 result = sony_nc_panelid_setup(pf_device);
1420 if (result)
1421 pr_err("couldn't set up panel ID function (%d)\n",
1422 result);
1423 break;
1424 case 0x0168:
1425 result = sony_nc_smart_conn_setup(pf_device);
1426 if (result)
1427 pr_err("couldn't set up smart connect support (%d)\n",
1428 result);
1429 break;
1430 default:
1431 continue;
1432 }
1433 }
1434
1435 /* Enable all events */
1436 arg = 0x10;
1437 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1438 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1439 &result);
1440 }
1441
1442 static void sony_nc_function_cleanup(struct platform_device *pd)
1443 {
1444 unsigned int i, result, bitmask, handle;
1445
1446 /* get enabled events and disable them */
1447 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1448 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1449
1450 /* cleanup handles here */
1451 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1452
1453 handle = handles->cap[i];
1454
1455 if (!handle)
1456 continue;
1457
1458 switch (handle) {
1459 case 0x0105:
1460 case 0x0148:
1461 sony_nc_touchpad_cleanup(pd);
1462 break;
1463 case 0x0115:
1464 case 0x0136:
1465 case 0x013f:
1466 sony_nc_battery_care_cleanup(pd);
1467 break;
1468 case 0x0119:
1469 case 0x015D:
1470 sony_nc_lid_resume_cleanup(pd);
1471 break;
1472 case 0x0122:
1473 sony_nc_thermal_cleanup(pd);
1474 break;
1475 case 0x0128:
1476 case 0x0146:
1477 case 0x015B:
1478 sony_nc_gfx_switch_cleanup(pd);
1479 break;
1480 case 0x0131:
1481 sony_nc_highspeed_charging_cleanup(pd);
1482 break;
1483 case 0x0124:
1484 case 0x0135:
1485 sony_nc_rfkill_cleanup();
1486 break;
1487 case 0x0137:
1488 case 0x0143:
1489 case 0x014b:
1490 case 0x014c:
1491 case 0x0163:
1492 sony_nc_kbd_backlight_cleanup(pd, handle);
1493 break;
1494 case 0x0121:
1495 sony_nc_lowbatt_cleanup(pd);
1496 break;
1497 case 0x0149:
1498 sony_nc_fanspeed_cleanup(pd);
1499 break;
1500 case 0x0155:
1501 sony_nc_usb_charge_cleanup(pd);
1502 break;
1503 case 0x011D:
1504 sony_nc_panelid_cleanup(pd);
1505 break;
1506 case 0x0168:
1507 sony_nc_smart_conn_cleanup(pd);
1508 break;
1509 default:
1510 continue;
1511 }
1512 }
1513
1514 /* finally cleanup the handles list */
1515 sony_nc_handles_cleanup(pd);
1516 }
1517
1518 #ifdef CONFIG_PM_SLEEP
1519 static void sony_nc_function_resume(void)
1520 {
1521 unsigned int i, result, bitmask, arg;
1522
1523 dprintk("Resuming SNC device\n");
1524
1525 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1526 unsigned int handle = handles->cap[i];
1527
1528 if (!handle)
1529 continue;
1530
1531 switch (handle) {
1532 case 0x0100:
1533 case 0x0101:
1534 case 0x0127:
1535 /* re-enable hotkeys */
1536 sony_call_snc_handle(handle, 0, &result);
1537 break;
1538 case 0x0102:
1539 /* re-enable hotkeys */
1540 sony_call_snc_handle(handle, 0x100, &result);
1541 break;
1542 case 0x0122:
1543 sony_nc_thermal_resume();
1544 break;
1545 case 0x0124:
1546 case 0x0135:
1547 sony_nc_rfkill_update();
1548 break;
1549 default:
1550 continue;
1551 }
1552 }
1553
1554 /* Enable all events */
1555 arg = 0x10;
1556 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1557 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1558 &result);
1559 }
1560
1561 static int sony_nc_resume(struct device *dev)
1562 {
1563 struct sony_nc_value *item;
1564
1565 for (item = sony_nc_values; item->name; item++) {
1566 int ret;
1567
1568 if (!item->valid)
1569 continue;
1570 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1571 &item->value, NULL);
1572 if (ret < 0) {
1573 pr_err("%s: %d\n", __func__, ret);
1574 break;
1575 }
1576 }
1577
1578 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1579 int arg = 1;
1580 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1581 dprintk("ECON Method failed\n");
1582 }
1583
1584 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1585 sony_nc_function_resume();
1586
1587 return 0;
1588 }
1589 #endif
1590
1591 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1592
1593 static void sony_nc_rfkill_cleanup(void)
1594 {
1595 int i;
1596
1597 for (i = 0; i < N_SONY_RFKILL; i++) {
1598 if (sony_rfkill_devices[i]) {
1599 rfkill_unregister(sony_rfkill_devices[i]);
1600 rfkill_destroy(sony_rfkill_devices[i]);
1601 }
1602 }
1603 }
1604
1605 static int sony_nc_rfkill_set(void *data, bool blocked)
1606 {
1607 int result;
1608 int argument = sony_rfkill_address[(long) data] + 0x100;
1609
1610 if (!blocked)
1611 argument |= 0x070000;
1612
1613 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1614 }
1615
1616 static const struct rfkill_ops sony_rfkill_ops = {
1617 .set_block = sony_nc_rfkill_set,
1618 };
1619
1620 static int sony_nc_setup_rfkill(struct acpi_device *device,
1621 enum sony_nc_rfkill nc_type)
1622 {
1623 int err = 0;
1624 struct rfkill *rfk;
1625 enum rfkill_type type;
1626 const char *name;
1627 int result;
1628 bool hwblock, swblock;
1629
1630 switch (nc_type) {
1631 case SONY_WIFI:
1632 type = RFKILL_TYPE_WLAN;
1633 name = "sony-wifi";
1634 break;
1635 case SONY_BLUETOOTH:
1636 type = RFKILL_TYPE_BLUETOOTH;
1637 name = "sony-bluetooth";
1638 break;
1639 case SONY_WWAN:
1640 type = RFKILL_TYPE_WWAN;
1641 name = "sony-wwan";
1642 break;
1643 case SONY_WIMAX:
1644 type = RFKILL_TYPE_WIMAX;
1645 name = "sony-wimax";
1646 break;
1647 default:
1648 return -EINVAL;
1649 }
1650
1651 rfk = rfkill_alloc(name, &device->dev, type,
1652 &sony_rfkill_ops, (void *)nc_type);
1653 if (!rfk)
1654 return -ENOMEM;
1655
1656 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1657 rfkill_destroy(rfk);
1658 return -1;
1659 }
1660 hwblock = !(result & 0x1);
1661
1662 if (sony_call_snc_handle(sony_rfkill_handle,
1663 sony_rfkill_address[nc_type],
1664 &result) < 0) {
1665 rfkill_destroy(rfk);
1666 return -1;
1667 }
1668 swblock = !(result & 0x2);
1669
1670 rfkill_init_sw_state(rfk, swblock);
1671 rfkill_set_hw_state(rfk, hwblock);
1672
1673 err = rfkill_register(rfk);
1674 if (err) {
1675 rfkill_destroy(rfk);
1676 return err;
1677 }
1678 sony_rfkill_devices[nc_type] = rfk;
1679 return err;
1680 }
1681
1682 static void sony_nc_rfkill_update(void)
1683 {
1684 enum sony_nc_rfkill i;
1685 int result;
1686 bool hwblock;
1687
1688 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1689 hwblock = !(result & 0x1);
1690
1691 for (i = 0; i < N_SONY_RFKILL; i++) {
1692 int argument = sony_rfkill_address[i];
1693
1694 if (!sony_rfkill_devices[i])
1695 continue;
1696
1697 if (hwblock) {
1698 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1699 /* we already know we're blocked */
1700 }
1701 continue;
1702 }
1703
1704 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1705 rfkill_set_states(sony_rfkill_devices[i],
1706 !(result & 0x2), false);
1707 }
1708 }
1709
1710 static int sony_nc_rfkill_setup(struct acpi_device *device,
1711 unsigned int handle)
1712 {
1713 u64 offset;
1714 int i;
1715 unsigned char buffer[32] = { 0 };
1716
1717 offset = sony_find_snc_handle(handle);
1718 sony_rfkill_handle = handle;
1719
1720 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1721 32);
1722 if (i < 0)
1723 return i;
1724
1725 /* The buffer is filled with magic numbers describing the devices
1726 * available, 0xff terminates the enumeration.
1727 * Known codes:
1728 * 0x00 WLAN
1729 * 0x10 BLUETOOTH
1730 * 0x20 WWAN GPRS-EDGE
1731 * 0x21 WWAN HSDPA
1732 * 0x22 WWAN EV-DO
1733 * 0x23 WWAN GPS
1734 * 0x25 Gobi WWAN no GPS
1735 * 0x26 Gobi WWAN + GPS
1736 * 0x28 Gobi WWAN no GPS
1737 * 0x29 Gobi WWAN + GPS
1738 * 0x30 WIMAX
1739 * 0x50 Gobi WWAN no GPS
1740 * 0x51 Gobi WWAN + GPS
1741 * 0x70 no SIM card slot
1742 * 0x71 SIM card slot
1743 */
1744 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1745
1746 if (buffer[i] == 0xff)
1747 break;
1748
1749 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1750
1751 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1752 sony_nc_setup_rfkill(device, SONY_WIFI);
1753
1754 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1755 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1756
1757 if (((0xf0 & buffer[i]) == 0x20 ||
1758 (0xf0 & buffer[i]) == 0x50) &&
1759 !sony_rfkill_devices[SONY_WWAN])
1760 sony_nc_setup_rfkill(device, SONY_WWAN);
1761
1762 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1763 sony_nc_setup_rfkill(device, SONY_WIMAX);
1764 }
1765 return 0;
1766 }
1767
1768 /* Keyboard backlight feature */
1769 struct kbd_backlight {
1770 unsigned int handle;
1771 unsigned int base;
1772 unsigned int mode;
1773 unsigned int timeout;
1774 struct device_attribute mode_attr;
1775 struct device_attribute timeout_attr;
1776 };
1777
1778 static struct kbd_backlight *kbdbl_ctl;
1779
1780 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1781 {
1782 int result;
1783
1784 if (value > 2)
1785 return -EINVAL;
1786
1787 if (sony_call_snc_handle(kbdbl_ctl->handle,
1788 (value << 0x10) | (kbdbl_ctl->base), &result))
1789 return -EIO;
1790
1791 /* Try to turn the light on/off immediately */
1792 if (value != 1)
1793 sony_call_snc_handle(kbdbl_ctl->handle,
1794 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1795 &result);
1796
1797 kbdbl_ctl->mode = value;
1798
1799 return 0;
1800 }
1801
1802 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1803 struct device_attribute *attr,
1804 const char *buffer, size_t count)
1805 {
1806 int ret = 0;
1807 unsigned long value;
1808
1809 if (count > 31)
1810 return -EINVAL;
1811
1812 if (kstrtoul(buffer, 10, &value))
1813 return -EINVAL;
1814
1815 ret = __sony_nc_kbd_backlight_mode_set(value);
1816 if (ret < 0)
1817 return ret;
1818
1819 return count;
1820 }
1821
1822 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1823 struct device_attribute *attr, char *buffer)
1824 {
1825 ssize_t count = 0;
1826 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1827 return count;
1828 }
1829
1830 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1831 {
1832 int result;
1833
1834 if (value > 3)
1835 return -EINVAL;
1836
1837 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1838 (kbdbl_ctl->base + 0x200), &result))
1839 return -EIO;
1840
1841 kbdbl_ctl->timeout = value;
1842
1843 return 0;
1844 }
1845
1846 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1847 struct device_attribute *attr,
1848 const char *buffer, size_t count)
1849 {
1850 int ret = 0;
1851 unsigned long value;
1852
1853 if (count > 31)
1854 return -EINVAL;
1855
1856 if (kstrtoul(buffer, 10, &value))
1857 return -EINVAL;
1858
1859 ret = __sony_nc_kbd_backlight_timeout_set(value);
1860 if (ret < 0)
1861 return ret;
1862
1863 return count;
1864 }
1865
1866 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1867 struct device_attribute *attr, char *buffer)
1868 {
1869 ssize_t count = 0;
1870 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1871 return count;
1872 }
1873
1874 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1875 unsigned int handle)
1876 {
1877 int result;
1878 int ret = 0;
1879
1880 if (kbdbl_ctl) {
1881 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1882 handle, kbdbl_ctl->handle);
1883 return -EBUSY;
1884 }
1885
1886 /* verify the kbd backlight presence, these handles are not used for
1887 * keyboard backlight only
1888 */
1889 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1890 &result);
1891 if (ret)
1892 return ret;
1893
1894 if ((handle == 0x0137 && !(result & 0x02)) ||
1895 !(result & 0x01)) {
1896 dprintk("no backlight keyboard found\n");
1897 return 0;
1898 }
1899
1900 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1901 if (!kbdbl_ctl)
1902 return -ENOMEM;
1903
1904 kbdbl_ctl->mode = kbd_backlight;
1905 kbdbl_ctl->timeout = kbd_backlight_timeout;
1906 kbdbl_ctl->handle = handle;
1907 if (handle == 0x0137)
1908 kbdbl_ctl->base = 0x0C00;
1909 else
1910 kbdbl_ctl->base = 0x4000;
1911
1912 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1913 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1914 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1915 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1916 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1917
1918 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1919 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1920 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1921 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1922 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1923
1924 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1925 if (ret)
1926 goto outkzalloc;
1927
1928 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1929 if (ret)
1930 goto outmode;
1931
1932 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1933 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1934
1935 return 0;
1936
1937 outmode:
1938 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1939 outkzalloc:
1940 kfree(kbdbl_ctl);
1941 kbdbl_ctl = NULL;
1942 return ret;
1943 }
1944
1945 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1946 unsigned int handle)
1947 {
1948 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1949 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1950 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1951 kfree(kbdbl_ctl);
1952 kbdbl_ctl = NULL;
1953 }
1954 }
1955
1956 struct battery_care_control {
1957 struct device_attribute attrs[2];
1958 unsigned int handle;
1959 };
1960 static struct battery_care_control *bcare_ctl;
1961
1962 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1963 struct device_attribute *attr,
1964 const char *buffer, size_t count)
1965 {
1966 unsigned int result, cmd;
1967 unsigned long value;
1968
1969 if (count > 31)
1970 return -EINVAL;
1971
1972 if (kstrtoul(buffer, 10, &value))
1973 return -EINVAL;
1974
1975 /* limit values (2 bits):
1976 * 00 - none
1977 * 01 - 80%
1978 * 10 - 50%
1979 * 11 - 100%
1980 *
1981 * bit 0: 0 disable BCL, 1 enable BCL
1982 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1983 * bits 2,3: reserved
1984 * bits 4,5: store the limit into the EC
1985 * bits 6,7: store the limit into the battery
1986 */
1987 cmd = 0;
1988
1989 if (value > 0) {
1990 if (value <= 50)
1991 cmd = 0x20;
1992
1993 else if (value <= 80)
1994 cmd = 0x10;
1995
1996 else if (value <= 100)
1997 cmd = 0x30;
1998
1999 else
2000 return -EINVAL;
2001
2002 /*
2003 * handle 0x0115 should allow storing on battery too;
2004 * handle 0x0136 same as 0x0115 + health status;
2005 * handle 0x013f, same as 0x0136 but no storing on the battery
2006 */
2007 if (bcare_ctl->handle != 0x013f)
2008 cmd = cmd | (cmd << 2);
2009
2010 cmd = (cmd | 0x1) << 0x10;
2011 }
2012
2013 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2014 return -EIO;
2015
2016 return count;
2017 }
2018
2019 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2020 struct device_attribute *attr, char *buffer)
2021 {
2022 unsigned int result, status;
2023
2024 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2025 return -EIO;
2026
2027 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2028 switch (status) {
2029 case 1:
2030 status = 80;
2031 break;
2032 case 2:
2033 status = 50;
2034 break;
2035 case 3:
2036 status = 100;
2037 break;
2038 default:
2039 status = 0;
2040 break;
2041 }
2042
2043 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2044 }
2045
2046 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2047 struct device_attribute *attr, char *buffer)
2048 {
2049 ssize_t count = 0;
2050 unsigned int health;
2051
2052 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2053 return -EIO;
2054
2055 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2056
2057 return count;
2058 }
2059
2060 static int sony_nc_battery_care_setup(struct platform_device *pd,
2061 unsigned int handle)
2062 {
2063 int ret = 0;
2064
2065 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2066 if (!bcare_ctl)
2067 return -ENOMEM;
2068
2069 bcare_ctl->handle = handle;
2070
2071 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2072 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2073 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2074 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2075 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2076
2077 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2078 if (ret)
2079 goto outkzalloc;
2080
2081 /* 0x0115 is for models with no health reporting capability */
2082 if (handle == 0x0115)
2083 return 0;
2084
2085 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2086 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2087 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2088 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2089
2090 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2091 if (ret)
2092 goto outlimiter;
2093
2094 return 0;
2095
2096 outlimiter:
2097 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2098
2099 outkzalloc:
2100 kfree(bcare_ctl);
2101 bcare_ctl = NULL;
2102
2103 return ret;
2104 }
2105
2106 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2107 {
2108 if (bcare_ctl) {
2109 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2110 if (bcare_ctl->handle != 0x0115)
2111 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2112
2113 kfree(bcare_ctl);
2114 bcare_ctl = NULL;
2115 }
2116 }
2117
2118 struct snc_thermal_ctrl {
2119 unsigned int mode;
2120 unsigned int profiles;
2121 struct device_attribute mode_attr;
2122 struct device_attribute profiles_attr;
2123 };
2124 static struct snc_thermal_ctrl *th_handle;
2125
2126 #define THM_PROFILE_MAX 3
2127 static const char * const snc_thermal_profiles[] = {
2128 "balanced",
2129 "silent",
2130 "performance"
2131 };
2132
2133 static int sony_nc_thermal_mode_set(unsigned short mode)
2134 {
2135 unsigned int result;
2136
2137 /* the thermal profile seems to be a two bit bitmask:
2138 * lsb -> silent
2139 * msb -> performance
2140 * no bit set is the normal operation and is always valid
2141 * Some vaio models only have "balanced" and "performance"
2142 */
2143 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2144 return -EINVAL;
2145
2146 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2147 return -EIO;
2148
2149 th_handle->mode = mode;
2150
2151 return 0;
2152 }
2153
2154 static int sony_nc_thermal_mode_get(void)
2155 {
2156 unsigned int result;
2157
2158 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2159 return -EIO;
2160
2161 return result & 0xff;
2162 }
2163
2164 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2165 struct device_attribute *attr, char *buffer)
2166 {
2167 short cnt;
2168 size_t idx = 0;
2169
2170 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2171 if (!cnt || (th_handle->profiles & cnt))
2172 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2173 snc_thermal_profiles[cnt]);
2174 }
2175 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2176
2177 return idx;
2178 }
2179
2180 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2181 struct device_attribute *attr,
2182 const char *buffer, size_t count)
2183 {
2184 unsigned short cmd;
2185 size_t len = count;
2186
2187 if (count == 0)
2188 return -EINVAL;
2189
2190 /* skip the newline if present */
2191 if (buffer[len - 1] == '\n')
2192 len--;
2193
2194 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2195 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2196 break;
2197
2198 if (sony_nc_thermal_mode_set(cmd))
2199 return -EIO;
2200
2201 return count;
2202 }
2203
2204 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2205 struct device_attribute *attr, char *buffer)
2206 {
2207 ssize_t count = 0;
2208 int mode = sony_nc_thermal_mode_get();
2209
2210 if (mode < 0)
2211 return mode;
2212
2213 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2214
2215 return count;
2216 }
2217
2218 static int sony_nc_thermal_setup(struct platform_device *pd)
2219 {
2220 int ret = 0;
2221 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2222 if (!th_handle)
2223 return -ENOMEM;
2224
2225 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2226 if (ret) {
2227 pr_warn("couldn't to read the thermal profiles\n");
2228 goto outkzalloc;
2229 }
2230
2231 ret = sony_nc_thermal_mode_get();
2232 if (ret < 0) {
2233 pr_warn("couldn't to read the current thermal profile");
2234 goto outkzalloc;
2235 }
2236 th_handle->mode = ret;
2237
2238 sysfs_attr_init(&th_handle->profiles_attr.attr);
2239 th_handle->profiles_attr.attr.name = "thermal_profiles";
2240 th_handle->profiles_attr.attr.mode = S_IRUGO;
2241 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2242
2243 sysfs_attr_init(&th_handle->mode_attr.attr);
2244 th_handle->mode_attr.attr.name = "thermal_control";
2245 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2246 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2247 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2248
2249 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2250 if (ret)
2251 goto outkzalloc;
2252
2253 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2254 if (ret)
2255 goto outprofiles;
2256
2257 return 0;
2258
2259 outprofiles:
2260 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2261 outkzalloc:
2262 kfree(th_handle);
2263 th_handle = NULL;
2264 return ret;
2265 }
2266
2267 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2268 {
2269 if (th_handle) {
2270 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2271 device_remove_file(&pd->dev, &th_handle->mode_attr);
2272 kfree(th_handle);
2273 th_handle = NULL;
2274 }
2275 }
2276
2277 #ifdef CONFIG_PM_SLEEP
2278 static void sony_nc_thermal_resume(void)
2279 {
2280 unsigned int status = sony_nc_thermal_mode_get();
2281
2282 if (status != th_handle->mode)
2283 sony_nc_thermal_mode_set(th_handle->mode);
2284 }
2285 #endif
2286
2287 /* resume on LID open */
2288 #define LID_RESUME_S5 0
2289 #define LID_RESUME_S4 1
2290 #define LID_RESUME_S3 2
2291 #define LID_RESUME_MAX 3
2292 struct snc_lid_resume_control {
2293 struct device_attribute attrs[LID_RESUME_MAX];
2294 unsigned int status;
2295 int handle;
2296 };
2297 static struct snc_lid_resume_control *lid_ctl;
2298
2299 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2300 struct device_attribute *attr,
2301 const char *buffer, size_t count)
2302 {
2303 unsigned int result;
2304 unsigned long value;
2305 unsigned int pos = LID_RESUME_S5;
2306 if (count > 31)
2307 return -EINVAL;
2308
2309 if (kstrtoul(buffer, 10, &value) || value > 1)
2310 return -EINVAL;
2311
2312 /* the value we have to write to SNC is a bitmask:
2313 * +--------------+
2314 * | S3 | S4 | S5 |
2315 * +--------------+
2316 * 2 1 0
2317 */
2318 while (pos < LID_RESUME_MAX) {
2319 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2320 break;
2321 pos++;
2322 }
2323 if (pos == LID_RESUME_MAX)
2324 return -EINVAL;
2325
2326 if (value)
2327 value = lid_ctl->status | (1 << pos);
2328 else
2329 value = lid_ctl->status & ~(1 << pos);
2330
2331 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2332 &result))
2333 return -EIO;
2334
2335 lid_ctl->status = value;
2336
2337 return count;
2338 }
2339
2340 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2341 struct device_attribute *attr,
2342 char *buffer)
2343 {
2344 unsigned int pos = LID_RESUME_S5;
2345
2346 while (pos < LID_RESUME_MAX) {
2347 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2348 return snprintf(buffer, PAGE_SIZE, "%d\n",
2349 (lid_ctl->status >> pos) & 0x01);
2350 pos++;
2351 }
2352 return -EINVAL;
2353 }
2354
2355 static int sony_nc_lid_resume_setup(struct platform_device *pd,
2356 unsigned int handle)
2357 {
2358 unsigned int result;
2359 int i;
2360
2361 if (sony_call_snc_handle(handle, 0x0000, &result))
2362 return -EIO;
2363
2364 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2365 if (!lid_ctl)
2366 return -ENOMEM;
2367
2368 lid_ctl->status = result & 0x7;
2369 lid_ctl->handle = handle;
2370
2371 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2372 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2373 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2374 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2375 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2376
2377 if (handle == 0x0119) {
2378 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2379 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2380 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2381 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2382 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2383
2384 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2385 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2386 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2387 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2388 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2389 }
2390 for (i = 0; i < LID_RESUME_MAX &&
2391 lid_ctl->attrs[i].attr.name; i++) {
2392 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2393 if (result)
2394 goto liderror;
2395 }
2396
2397 return 0;
2398
2399 liderror:
2400 for (i--; i >= 0; i--)
2401 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2402
2403 kfree(lid_ctl);
2404 lid_ctl = NULL;
2405
2406 return result;
2407 }
2408
2409 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2410 {
2411 int i;
2412
2413 if (lid_ctl) {
2414 for (i = 0; i < LID_RESUME_MAX; i++) {
2415 if (!lid_ctl->attrs[i].attr.name)
2416 break;
2417
2418 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2419 }
2420
2421 kfree(lid_ctl);
2422 lid_ctl = NULL;
2423 }
2424 }
2425
2426 /* GFX Switch position */
2427 enum gfx_switch {
2428 SPEED,
2429 STAMINA,
2430 AUTO
2431 };
2432 struct snc_gfx_switch_control {
2433 struct device_attribute attr;
2434 unsigned int handle;
2435 };
2436 static struct snc_gfx_switch_control *gfxs_ctl;
2437
2438 /* returns 0 for speed, 1 for stamina */
2439 static int __sony_nc_gfx_switch_status_get(void)
2440 {
2441 unsigned int result;
2442
2443 if (sony_call_snc_handle(gfxs_ctl->handle,
2444 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2445 &result))
2446 return -EIO;
2447
2448 switch (gfxs_ctl->handle) {
2449 case 0x0146:
2450 /* 1: discrete GFX (speed)
2451 * 0: integrated GFX (stamina)
2452 */
2453 return result & 0x1 ? SPEED : STAMINA;
2454 break;
2455 case 0x015B:
2456 /* 0: discrete GFX (speed)
2457 * 1: integrated GFX (stamina)
2458 */
2459 return result & 0x1 ? STAMINA : SPEED;
2460 break;
2461 case 0x0128:
2462 /* it's a more elaborated bitmask, for now:
2463 * 2: integrated GFX (stamina)
2464 * 0: discrete GFX (speed)
2465 */
2466 dprintk("GFX Status: 0x%x\n", result);
2467 return result & 0x80 ? AUTO :
2468 result & 0x02 ? STAMINA : SPEED;
2469 break;
2470 }
2471 return -EINVAL;
2472 }
2473
2474 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2475 struct device_attribute *attr,
2476 char *buffer)
2477 {
2478 int pos = __sony_nc_gfx_switch_status_get();
2479
2480 if (pos < 0)
2481 return pos;
2482
2483 return snprintf(buffer, PAGE_SIZE, "%s\n",
2484 pos == SPEED ? "speed" :
2485 pos == STAMINA ? "stamina" :
2486 pos == AUTO ? "auto" : "unknown");
2487 }
2488
2489 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2490 unsigned int handle)
2491 {
2492 unsigned int result;
2493
2494 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2495 if (!gfxs_ctl)
2496 return -ENOMEM;
2497
2498 gfxs_ctl->handle = handle;
2499
2500 sysfs_attr_init(&gfxs_ctl->attr.attr);
2501 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2502 gfxs_ctl->attr.attr.mode = S_IRUGO;
2503 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2504
2505 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2506 if (result)
2507 goto gfxerror;
2508
2509 return 0;
2510
2511 gfxerror:
2512 kfree(gfxs_ctl);
2513 gfxs_ctl = NULL;
2514
2515 return result;
2516 }
2517
2518 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2519 {
2520 if (gfxs_ctl) {
2521 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2522
2523 kfree(gfxs_ctl);
2524 gfxs_ctl = NULL;
2525 }
2526 }
2527
2528 /* High speed charging function */
2529 static struct device_attribute *hsc_handle;
2530
2531 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2532 struct device_attribute *attr,
2533 const char *buffer, size_t count)
2534 {
2535 unsigned int result;
2536 unsigned long value;
2537
2538 if (count > 31)
2539 return -EINVAL;
2540
2541 if (kstrtoul(buffer, 10, &value) || value > 1)
2542 return -EINVAL;
2543
2544 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2545 return -EIO;
2546
2547 return count;
2548 }
2549
2550 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2551 struct device_attribute *attr, char *buffer)
2552 {
2553 unsigned int result;
2554
2555 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2556 return -EIO;
2557
2558 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2559 }
2560
2561 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2562 {
2563 unsigned int result;
2564
2565 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2566 /* some models advertise the handle but have no implementation
2567 * for it
2568 */
2569 pr_info("No High Speed Charging capability found\n");
2570 return 0;
2571 }
2572
2573 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2574 if (!hsc_handle)
2575 return -ENOMEM;
2576
2577 sysfs_attr_init(&hsc_handle->attr);
2578 hsc_handle->attr.name = "battery_highspeed_charging";
2579 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2580 hsc_handle->show = sony_nc_highspeed_charging_show;
2581 hsc_handle->store = sony_nc_highspeed_charging_store;
2582
2583 result = device_create_file(&pd->dev, hsc_handle);
2584 if (result) {
2585 kfree(hsc_handle);
2586 hsc_handle = NULL;
2587 return result;
2588 }
2589
2590 return 0;
2591 }
2592
2593 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2594 {
2595 if (hsc_handle) {
2596 device_remove_file(&pd->dev, hsc_handle);
2597 kfree(hsc_handle);
2598 hsc_handle = NULL;
2599 }
2600 }
2601
2602 /* low battery function */
2603 static struct device_attribute *lowbatt_handle;
2604
2605 static ssize_t sony_nc_lowbatt_store(struct device *dev,
2606 struct device_attribute *attr,
2607 const char *buffer, size_t count)
2608 {
2609 unsigned int result;
2610 unsigned long value;
2611
2612 if (count > 31)
2613 return -EINVAL;
2614
2615 if (kstrtoul(buffer, 10, &value) || value > 1)
2616 return -EINVAL;
2617
2618 if (sony_call_snc_handle(0x0121, value << 8, &result))
2619 return -EIO;
2620
2621 return count;
2622 }
2623
2624 static ssize_t sony_nc_lowbatt_show(struct device *dev,
2625 struct device_attribute *attr, char *buffer)
2626 {
2627 unsigned int result;
2628
2629 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2630 return -EIO;
2631
2632 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2633 }
2634
2635 static int sony_nc_lowbatt_setup(struct platform_device *pd)
2636 {
2637 unsigned int result;
2638
2639 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2640 if (!lowbatt_handle)
2641 return -ENOMEM;
2642
2643 sysfs_attr_init(&lowbatt_handle->attr);
2644 lowbatt_handle->attr.name = "lowbatt_hibernate";
2645 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2646 lowbatt_handle->show = sony_nc_lowbatt_show;
2647 lowbatt_handle->store = sony_nc_lowbatt_store;
2648
2649 result = device_create_file(&pd->dev, lowbatt_handle);
2650 if (result) {
2651 kfree(lowbatt_handle);
2652 lowbatt_handle = NULL;
2653 return result;
2654 }
2655
2656 return 0;
2657 }
2658
2659 static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2660 {
2661 if (lowbatt_handle) {
2662 device_remove_file(&pd->dev, lowbatt_handle);
2663 kfree(lowbatt_handle);
2664 lowbatt_handle = NULL;
2665 }
2666 }
2667
2668 /* fan speed function */
2669 static struct device_attribute *fan_handle, *hsf_handle;
2670
2671 static ssize_t sony_nc_hsfan_store(struct device *dev,
2672 struct device_attribute *attr,
2673 const char *buffer, size_t count)
2674 {
2675 unsigned int result;
2676 unsigned long value;
2677
2678 if (count > 31)
2679 return -EINVAL;
2680
2681 if (kstrtoul(buffer, 10, &value) || value > 1)
2682 return -EINVAL;
2683
2684 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2685 return -EIO;
2686
2687 return count;
2688 }
2689
2690 static ssize_t sony_nc_hsfan_show(struct device *dev,
2691 struct device_attribute *attr, char *buffer)
2692 {
2693 unsigned int result;
2694
2695 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2696 return -EIO;
2697
2698 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2699 }
2700
2701 static ssize_t sony_nc_fanspeed_show(struct device *dev,
2702 struct device_attribute *attr, char *buffer)
2703 {
2704 unsigned int result;
2705
2706 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2707 return -EIO;
2708
2709 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2710 }
2711
2712 static int sony_nc_fanspeed_setup(struct platform_device *pd)
2713 {
2714 unsigned int result;
2715
2716 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2717 if (!fan_handle)
2718 return -ENOMEM;
2719
2720 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2721 if (!hsf_handle) {
2722 result = -ENOMEM;
2723 goto out_hsf_handle_alloc;
2724 }
2725
2726 sysfs_attr_init(&fan_handle->attr);
2727 fan_handle->attr.name = "fanspeed";
2728 fan_handle->attr.mode = S_IRUGO;
2729 fan_handle->show = sony_nc_fanspeed_show;
2730 fan_handle->store = NULL;
2731
2732 sysfs_attr_init(&hsf_handle->attr);
2733 hsf_handle->attr.name = "fan_forced";
2734 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2735 hsf_handle->show = sony_nc_hsfan_show;
2736 hsf_handle->store = sony_nc_hsfan_store;
2737
2738 result = device_create_file(&pd->dev, fan_handle);
2739 if (result)
2740 goto out_fan_handle;
2741
2742 result = device_create_file(&pd->dev, hsf_handle);
2743 if (result)
2744 goto out_hsf_handle;
2745
2746 return 0;
2747
2748 out_hsf_handle:
2749 device_remove_file(&pd->dev, fan_handle);
2750
2751 out_fan_handle:
2752 kfree(hsf_handle);
2753 hsf_handle = NULL;
2754
2755 out_hsf_handle_alloc:
2756 kfree(fan_handle);
2757 fan_handle = NULL;
2758 return result;
2759 }
2760
2761 static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2762 {
2763 if (fan_handle) {
2764 device_remove_file(&pd->dev, fan_handle);
2765 kfree(fan_handle);
2766 fan_handle = NULL;
2767 }
2768 if (hsf_handle) {
2769 device_remove_file(&pd->dev, hsf_handle);
2770 kfree(hsf_handle);
2771 hsf_handle = NULL;
2772 }
2773 }
2774
2775 /* USB charge function */
2776 static struct device_attribute *uc_handle;
2777
2778 static ssize_t sony_nc_usb_charge_store(struct device *dev,
2779 struct device_attribute *attr,
2780 const char *buffer, size_t count)
2781 {
2782 unsigned int result;
2783 unsigned long value;
2784
2785 if (count > 31)
2786 return -EINVAL;
2787
2788 if (kstrtoul(buffer, 10, &value) || value > 1)
2789 return -EINVAL;
2790
2791 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2792 return -EIO;
2793
2794 return count;
2795 }
2796
2797 static ssize_t sony_nc_usb_charge_show(struct device *dev,
2798 struct device_attribute *attr, char *buffer)
2799 {
2800 unsigned int result;
2801
2802 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2803 return -EIO;
2804
2805 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2806 }
2807
2808 static int sony_nc_usb_charge_setup(struct platform_device *pd)
2809 {
2810 unsigned int result;
2811
2812 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2813 /* some models advertise the handle but have no implementation
2814 * for it
2815 */
2816 pr_info("No USB Charge capability found\n");
2817 return 0;
2818 }
2819
2820 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2821 if (!uc_handle)
2822 return -ENOMEM;
2823
2824 sysfs_attr_init(&uc_handle->attr);
2825 uc_handle->attr.name = "usb_charge";
2826 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2827 uc_handle->show = sony_nc_usb_charge_show;
2828 uc_handle->store = sony_nc_usb_charge_store;
2829
2830 result = device_create_file(&pd->dev, uc_handle);
2831 if (result) {
2832 kfree(uc_handle);
2833 uc_handle = NULL;
2834 return result;
2835 }
2836
2837 return 0;
2838 }
2839
2840 static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2841 {
2842 if (uc_handle) {
2843 device_remove_file(&pd->dev, uc_handle);
2844 kfree(uc_handle);
2845 uc_handle = NULL;
2846 }
2847 }
2848
2849 /* Panel ID function */
2850 static struct device_attribute *panel_handle;
2851
2852 static ssize_t sony_nc_panelid_show(struct device *dev,
2853 struct device_attribute *attr, char *buffer)
2854 {
2855 unsigned int result;
2856
2857 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2858 return -EIO;
2859
2860 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2861 }
2862
2863 static int sony_nc_panelid_setup(struct platform_device *pd)
2864 {
2865 unsigned int result;
2866
2867 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2868 if (!panel_handle)
2869 return -ENOMEM;
2870
2871 sysfs_attr_init(&panel_handle->attr);
2872 panel_handle->attr.name = "panel_id";
2873 panel_handle->attr.mode = S_IRUGO;
2874 panel_handle->show = sony_nc_panelid_show;
2875 panel_handle->store = NULL;
2876
2877 result = device_create_file(&pd->dev, panel_handle);
2878 if (result) {
2879 kfree(panel_handle);
2880 panel_handle = NULL;
2881 return result;
2882 }
2883
2884 return 0;
2885 }
2886
2887 static void sony_nc_panelid_cleanup(struct platform_device *pd)
2888 {
2889 if (panel_handle) {
2890 device_remove_file(&pd->dev, panel_handle);
2891 kfree(panel_handle);
2892 panel_handle = NULL;
2893 }
2894 }
2895
2896 /* smart connect function */
2897 static struct device_attribute *sc_handle;
2898
2899 static ssize_t sony_nc_smart_conn_store(struct device *dev,
2900 struct device_attribute *attr,
2901 const char *buffer, size_t count)
2902 {
2903 unsigned int result;
2904 unsigned long value;
2905
2906 if (count > 31)
2907 return -EINVAL;
2908
2909 if (kstrtoul(buffer, 10, &value) || value > 1)
2910 return -EINVAL;
2911
2912 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2913 return -EIO;
2914
2915 return count;
2916 }
2917
2918 static int sony_nc_smart_conn_setup(struct platform_device *pd)
2919 {
2920 unsigned int result;
2921
2922 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2923 if (!sc_handle)
2924 return -ENOMEM;
2925
2926 sysfs_attr_init(&sc_handle->attr);
2927 sc_handle->attr.name = "smart_connect";
2928 sc_handle->attr.mode = S_IWUSR;
2929 sc_handle->show = NULL;
2930 sc_handle->store = sony_nc_smart_conn_store;
2931
2932 result = device_create_file(&pd->dev, sc_handle);
2933 if (result) {
2934 kfree(sc_handle);
2935 sc_handle = NULL;
2936 return result;
2937 }
2938
2939 return 0;
2940 }
2941
2942 static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2943 {
2944 if (sc_handle) {
2945 device_remove_file(&pd->dev, sc_handle);
2946 kfree(sc_handle);
2947 sc_handle = NULL;
2948 }
2949 }
2950
2951 /* Touchpad enable/disable */
2952 struct touchpad_control {
2953 struct device_attribute attr;
2954 int handle;
2955 };
2956 static struct touchpad_control *tp_ctl;
2957
2958 static ssize_t sony_nc_touchpad_store(struct device *dev,
2959 struct device_attribute *attr, const char *buffer, size_t count)
2960 {
2961 unsigned int result;
2962 unsigned long value;
2963
2964 if (count > 31)
2965 return -EINVAL;
2966
2967 if (kstrtoul(buffer, 10, &value) || value > 1)
2968 return -EINVAL;
2969
2970 /* sysfs: 0 disabled, 1 enabled
2971 * EC: 0 enabled, 1 disabled
2972 */
2973 if (sony_call_snc_handle(tp_ctl->handle,
2974 (!value << 0x10) | 0x100, &result))
2975 return -EIO;
2976
2977 return count;
2978 }
2979
2980 static ssize_t sony_nc_touchpad_show(struct device *dev,
2981 struct device_attribute *attr, char *buffer)
2982 {
2983 unsigned int result;
2984
2985 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2986 return -EINVAL;
2987
2988 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2989 }
2990
2991 static int sony_nc_touchpad_setup(struct platform_device *pd,
2992 unsigned int handle)
2993 {
2994 int ret = 0;
2995
2996 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2997 if (!tp_ctl)
2998 return -ENOMEM;
2999
3000 tp_ctl->handle = handle;
3001
3002 sysfs_attr_init(&tp_ctl->attr.attr);
3003 tp_ctl->attr.attr.name = "touchpad";
3004 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3005 tp_ctl->attr.show = sony_nc_touchpad_show;
3006 tp_ctl->attr.store = sony_nc_touchpad_store;
3007
3008 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3009 if (ret) {
3010 kfree(tp_ctl);
3011 tp_ctl = NULL;
3012 }
3013
3014 return ret;
3015 }
3016
3017 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3018 {
3019 if (tp_ctl) {
3020 device_remove_file(&pd->dev, &tp_ctl->attr);
3021 kfree(tp_ctl);
3022 tp_ctl = NULL;
3023 }
3024 }
3025
3026 static void sony_nc_backlight_ng_read_limits(int handle,
3027 struct sony_backlight_props *props)
3028 {
3029 u64 offset;
3030 int i;
3031 int lvl_table_len = 0;
3032 u8 min = 0xff, max = 0x00;
3033 unsigned char buffer[32] = { 0 };
3034
3035 props->handle = handle;
3036 props->offset = 0;
3037 props->maxlvl = 0xff;
3038
3039 offset = sony_find_snc_handle(handle);
3040
3041 /* try to read the boundaries from ACPI tables, if we fail the above
3042 * defaults should be reasonable
3043 */
3044 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3045 32);
3046 if (i < 0)
3047 return;
3048
3049 switch (handle) {
3050 case 0x012f:
3051 case 0x0137:
3052 lvl_table_len = 9;
3053 break;
3054 case 0x143:
3055 case 0x14b:
3056 case 0x14c:
3057 lvl_table_len = 16;
3058 break;
3059 }
3060
3061 /* the buffer lists brightness levels available, brightness levels are
3062 * from position 0 to 8 in the array, other values are used by ALS
3063 * control.
3064 */
3065 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3066
3067 dprintk("Brightness level: %d\n", buffer[i]);
3068
3069 if (!buffer[i])
3070 break;
3071
3072 if (buffer[i] > max)
3073 max = buffer[i];
3074 if (buffer[i] < min)
3075 min = buffer[i];
3076 }
3077 props->offset = min;
3078 props->maxlvl = max;
3079 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3080 props->maxlvl);
3081 }
3082
3083 static void sony_nc_backlight_setup(void)
3084 {
3085 int max_brightness = 0;
3086 const struct backlight_ops *ops = NULL;
3087 struct backlight_properties props;
3088
3089 if (sony_find_snc_handle(0x12f) >= 0) {
3090 ops = &sony_backlight_ng_ops;
3091 sony_bl_props.cmd_base = 0x0100;
3092 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3093 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3094
3095 } else if (sony_find_snc_handle(0x137) >= 0) {
3096 ops = &sony_backlight_ng_ops;
3097 sony_bl_props.cmd_base = 0x0100;
3098 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3099 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3100
3101 } else if (sony_find_snc_handle(0x143) >= 0) {
3102 ops = &sony_backlight_ng_ops;
3103 sony_bl_props.cmd_base = 0x3000;
3104 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3105 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3106
3107 } else if (sony_find_snc_handle(0x14b) >= 0) {
3108 ops = &sony_backlight_ng_ops;
3109 sony_bl_props.cmd_base = 0x3000;
3110 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3111 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3112
3113 } else if (sony_find_snc_handle(0x14c) >= 0) {
3114 ops = &sony_backlight_ng_ops;
3115 sony_bl_props.cmd_base = 0x3000;
3116 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3117 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3118
3119 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3120 ops = &sony_backlight_ops;
3121 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3122
3123 } else
3124 return;
3125
3126 memset(&props, 0, sizeof(struct backlight_properties));
3127 props.type = BACKLIGHT_PLATFORM;
3128 props.max_brightness = max_brightness;
3129 sony_bl_props.dev = backlight_device_register("sony", NULL,
3130 &sony_bl_props,
3131 ops, &props);
3132
3133 if (IS_ERR(sony_bl_props.dev)) {
3134 pr_warn("unable to register backlight device\n");
3135 sony_bl_props.dev = NULL;
3136 } else
3137 sony_bl_props.dev->props.brightness =
3138 ops->get_brightness(sony_bl_props.dev);
3139 }
3140
3141 static void sony_nc_backlight_cleanup(void)
3142 {
3143 backlight_device_unregister(sony_bl_props.dev);
3144 }
3145
3146 static int sony_nc_add(struct acpi_device *device)
3147 {
3148 acpi_status status;
3149 int result = 0;
3150 struct sony_nc_value *item;
3151
3152 sony_nc_acpi_device = device;
3153 strcpy(acpi_device_class(device), "sony/hotkey");
3154
3155 sony_nc_acpi_handle = device->handle;
3156
3157 /* read device status */
3158 result = acpi_bus_get_status(device);
3159 /* bail IFF the above call was successful and the device is not present */
3160 if (!result && !device->status.present) {
3161 dprintk("Device not present\n");
3162 result = -ENODEV;
3163 goto outwalk;
3164 }
3165
3166 result = sony_pf_add();
3167 if (result)
3168 goto outpresent;
3169
3170 if (debug) {
3171 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3172 sony_nc_acpi_handle, 1, sony_walk_callback,
3173 NULL, NULL, NULL);
3174 if (ACPI_FAILURE(status)) {
3175 pr_warn("unable to walk acpi resources\n");
3176 result = -ENODEV;
3177 goto outpresent;
3178 }
3179 }
3180
3181 result = sony_laptop_setup_input(device);
3182 if (result) {
3183 pr_err("Unable to create input devices\n");
3184 goto outplatform;
3185 }
3186
3187 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3188 int arg = 1;
3189 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3190 dprintk("ECON Method failed\n");
3191 }
3192
3193 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3194 dprintk("Doing SNC setup\n");
3195 /* retrieve the available handles */
3196 result = sony_nc_handles_setup(sony_pf_device);
3197 if (!result)
3198 sony_nc_function_setup(device, sony_pf_device);
3199 }
3200
3201 /* setup input devices and helper fifo */
3202 if (acpi_video_backlight_support()) {
3203 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
3204 } else {
3205 sony_nc_backlight_setup();
3206 }
3207
3208 /* create sony_pf sysfs attributes related to the SNC device */
3209 for (item = sony_nc_values; item->name; ++item) {
3210
3211 if (!debug && item->debug)
3212 continue;
3213
3214 /* find the available acpiget as described in the DSDT */
3215 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3216 if (acpi_has_method(sony_nc_acpi_handle,
3217 *item->acpiget)) {
3218 dprintk("Found %s getter: %s\n",
3219 item->name, *item->acpiget);
3220 item->devattr.attr.mode |= S_IRUGO;
3221 break;
3222 }
3223 }
3224
3225 /* find the available acpiset as described in the DSDT */
3226 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3227 if (acpi_has_method(sony_nc_acpi_handle,
3228 *item->acpiset)) {
3229 dprintk("Found %s setter: %s\n",
3230 item->name, *item->acpiset);
3231 item->devattr.attr.mode |= S_IWUSR;
3232 break;
3233 }
3234 }
3235
3236 if (item->devattr.attr.mode != 0) {
3237 result =
3238 device_create_file(&sony_pf_device->dev,
3239 &item->devattr);
3240 if (result)
3241 goto out_sysfs;
3242 }
3243 }
3244
3245 pr_info("SNC setup done.\n");
3246 return 0;
3247
3248 out_sysfs:
3249 for (item = sony_nc_values; item->name; ++item) {
3250 device_remove_file(&sony_pf_device->dev, &item->devattr);
3251 }
3252 sony_nc_backlight_cleanup();
3253 sony_nc_function_cleanup(sony_pf_device);
3254 sony_nc_handles_cleanup(sony_pf_device);
3255
3256 outplatform:
3257 sony_laptop_remove_input();
3258
3259 outpresent:
3260 sony_pf_remove();
3261
3262 outwalk:
3263 sony_nc_rfkill_cleanup();
3264 return result;
3265 }
3266
3267 static int sony_nc_remove(struct acpi_device *device)
3268 {
3269 struct sony_nc_value *item;
3270
3271 sony_nc_backlight_cleanup();
3272
3273 sony_nc_acpi_device = NULL;
3274
3275 for (item = sony_nc_values; item->name; ++item) {
3276 device_remove_file(&sony_pf_device->dev, &item->devattr);
3277 }
3278
3279 sony_nc_function_cleanup(sony_pf_device);
3280 sony_nc_handles_cleanup(sony_pf_device);
3281 sony_pf_remove();
3282 sony_laptop_remove_input();
3283 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3284
3285 return 0;
3286 }
3287
3288 static const struct acpi_device_id sony_device_ids[] = {
3289 {SONY_NC_HID, 0},
3290 {SONY_PIC_HID, 0},
3291 {"", 0},
3292 };
3293 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3294
3295 static const struct acpi_device_id sony_nc_device_ids[] = {
3296 {SONY_NC_HID, 0},
3297 {"", 0},
3298 };
3299
3300 static struct acpi_driver sony_nc_driver = {
3301 .name = SONY_NC_DRIVER_NAME,
3302 .class = SONY_NC_CLASS,
3303 .ids = sony_nc_device_ids,
3304 .owner = THIS_MODULE,
3305 .ops = {
3306 .add = sony_nc_add,
3307 .remove = sony_nc_remove,
3308 .notify = sony_nc_notify,
3309 },
3310 .drv.pm = &sony_nc_pm,
3311 };
3312
3313 /*********** SPIC (SNY6001) Device ***********/
3314
3315 #define SONYPI_DEVICE_TYPE1 0x00000001
3316 #define SONYPI_DEVICE_TYPE2 0x00000002
3317 #define SONYPI_DEVICE_TYPE3 0x00000004
3318
3319 #define SONYPI_TYPE1_OFFSET 0x04
3320 #define SONYPI_TYPE2_OFFSET 0x12
3321 #define SONYPI_TYPE3_OFFSET 0x12
3322
3323 struct sony_pic_ioport {
3324 struct acpi_resource_io io1;
3325 struct acpi_resource_io io2;
3326 struct list_head list;
3327 };
3328
3329 struct sony_pic_irq {
3330 struct acpi_resource_irq irq;
3331 struct list_head list;
3332 };
3333
3334 struct sonypi_eventtypes {
3335 u8 data;
3336 unsigned long mask;
3337 struct sonypi_event *events;
3338 };
3339
3340 struct sony_pic_dev {
3341 struct acpi_device *acpi_dev;
3342 struct sony_pic_irq *cur_irq;
3343 struct sony_pic_ioport *cur_ioport;
3344 struct list_head interrupts;
3345 struct list_head ioports;
3346 struct mutex lock;
3347 struct sonypi_eventtypes *event_types;
3348 int (*handle_irq)(const u8, const u8);
3349 int model;
3350 u16 evport_offset;
3351 u8 camera_power;
3352 u8 bluetooth_power;
3353 u8 wwan_power;
3354 };
3355
3356 static struct sony_pic_dev spic_dev = {
3357 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3358 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3359 };
3360
3361 static int spic_drv_registered;
3362
3363 /* Event masks */
3364 #define SONYPI_JOGGER_MASK 0x00000001
3365 #define SONYPI_CAPTURE_MASK 0x00000002
3366 #define SONYPI_FNKEY_MASK 0x00000004
3367 #define SONYPI_BLUETOOTH_MASK 0x00000008
3368 #define SONYPI_PKEY_MASK 0x00000010
3369 #define SONYPI_BACK_MASK 0x00000020
3370 #define SONYPI_HELP_MASK 0x00000040
3371 #define SONYPI_LID_MASK 0x00000080
3372 #define SONYPI_ZOOM_MASK 0x00000100
3373 #define SONYPI_THUMBPHRASE_MASK 0x00000200
3374 #define SONYPI_MEYE_MASK 0x00000400
3375 #define SONYPI_MEMORYSTICK_MASK 0x00000800
3376 #define SONYPI_BATTERY_MASK 0x00001000
3377 #define SONYPI_WIRELESS_MASK 0x00002000
3378
3379 struct sonypi_event {
3380 u8 data;
3381 u8 event;
3382 };
3383
3384 /* The set of possible button release events */
3385 static struct sonypi_event sonypi_releaseev[] = {
3386 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3387 { 0, 0 }
3388 };
3389
3390 /* The set of possible jogger events */
3391 static struct sonypi_event sonypi_joggerev[] = {
3392 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3393 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3394 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3395 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3396 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3397 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3398 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3399 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3400 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3401 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3402 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3403 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3404 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3405 { 0, 0 }
3406 };
3407
3408 /* The set of possible capture button events */
3409 static struct sonypi_event sonypi_captureev[] = {
3410 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3411 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3412 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3413 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3414 { 0, 0 }
3415 };
3416
3417 /* The set of possible fnkeys events */
3418 static struct sonypi_event sonypi_fnkeyev[] = {
3419 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3420 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3421 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3422 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3423 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3424 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3425 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3426 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3427 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3428 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3429 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3430 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3431 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3432 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3433 { 0x21, SONYPI_EVENT_FNKEY_1 },
3434 { 0x22, SONYPI_EVENT_FNKEY_2 },
3435 { 0x31, SONYPI_EVENT_FNKEY_D },
3436 { 0x32, SONYPI_EVENT_FNKEY_E },
3437 { 0x33, SONYPI_EVENT_FNKEY_F },
3438 { 0x34, SONYPI_EVENT_FNKEY_S },
3439 { 0x35, SONYPI_EVENT_FNKEY_B },
3440 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3441 { 0, 0 }
3442 };
3443
3444 /* The set of possible program key events */
3445 static struct sonypi_event sonypi_pkeyev[] = {
3446 { 0x01, SONYPI_EVENT_PKEY_P1 },
3447 { 0x02, SONYPI_EVENT_PKEY_P2 },
3448 { 0x04, SONYPI_EVENT_PKEY_P3 },
3449 { 0x20, SONYPI_EVENT_PKEY_P1 },
3450 { 0, 0 }
3451 };
3452
3453 /* The set of possible bluetooth events */
3454 static struct sonypi_event sonypi_blueev[] = {
3455 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3456 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3457 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3458 { 0, 0 }
3459 };
3460
3461 /* The set of possible wireless events */
3462 static struct sonypi_event sonypi_wlessev[] = {
3463 { 0x59, SONYPI_EVENT_IGNORE },
3464 { 0x5a, SONYPI_EVENT_IGNORE },
3465 { 0, 0 }
3466 };
3467
3468 /* The set of possible back button events */
3469 static struct sonypi_event sonypi_backev[] = {
3470 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3471 { 0, 0 }
3472 };
3473
3474 /* The set of possible help button events */
3475 static struct sonypi_event sonypi_helpev[] = {
3476 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3477 { 0, 0 }
3478 };
3479
3480
3481 /* The set of possible lid events */
3482 static struct sonypi_event sonypi_lidev[] = {
3483 { 0x51, SONYPI_EVENT_LID_CLOSED },
3484 { 0x50, SONYPI_EVENT_LID_OPENED },
3485 { 0, 0 }
3486 };
3487
3488 /* The set of possible zoom events */
3489 static struct sonypi_event sonypi_zoomev[] = {
3490 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3491 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3492 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3493 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3494 { 0, 0 }
3495 };
3496
3497 /* The set of possible thumbphrase events */
3498 static struct sonypi_event sonypi_thumbphraseev[] = {
3499 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3500 { 0, 0 }
3501 };
3502
3503 /* The set of possible motioneye camera events */
3504 static struct sonypi_event sonypi_meyeev[] = {
3505 { 0x00, SONYPI_EVENT_MEYE_FACE },
3506 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3507 { 0, 0 }
3508 };
3509
3510 /* The set of possible memorystick events */
3511 static struct sonypi_event sonypi_memorystickev[] = {
3512 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3513 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3514 { 0, 0 }
3515 };
3516
3517 /* The set of possible battery events */
3518 static struct sonypi_event sonypi_batteryev[] = {
3519 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3520 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3521 { 0, 0 }
3522 };
3523
3524 /* The set of possible volume events */
3525 static struct sonypi_event sonypi_volumeev[] = {
3526 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3527 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3528 { 0, 0 }
3529 };
3530
3531 /* The set of possible brightness events */
3532 static struct sonypi_event sonypi_brightnessev[] = {
3533 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3534 { 0, 0 }
3535 };
3536
3537 static struct sonypi_eventtypes type1_events[] = {
3538 { 0, 0xffffffff, sonypi_releaseev },
3539 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3540 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3541 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3542 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3543 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3544 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3545 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3546 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3547 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3548 { 0 },
3549 };
3550 static struct sonypi_eventtypes type2_events[] = {
3551 { 0, 0xffffffff, sonypi_releaseev },
3552 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3553 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3554 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3555 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3556 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3557 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3558 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3559 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3560 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3561 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3562 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3563 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3564 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3565 { 0 },
3566 };
3567 static struct sonypi_eventtypes type3_events[] = {
3568 { 0, 0xffffffff, sonypi_releaseev },
3569 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3570 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3571 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3572 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3573 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3574 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3575 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3576 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3577 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3578 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3579 { 0 },
3580 };
3581
3582 /* low level spic calls */
3583 #define ITERATIONS_LONG 10000
3584 #define ITERATIONS_SHORT 10
3585 #define wait_on_command(command, iterations) { \
3586 unsigned int n = iterations; \
3587 while (--n && (command)) \
3588 udelay(1); \
3589 if (!n) \
3590 dprintk("command failed at %s : %s (line %d)\n", \
3591 __FILE__, __func__, __LINE__); \
3592 }
3593
3594 static u8 sony_pic_call1(u8 dev)
3595 {
3596 u8 v1, v2;
3597
3598 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3599 ITERATIONS_LONG);
3600 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3601 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3602 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3603 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3604 return v2;
3605 }
3606
3607 static u8 sony_pic_call2(u8 dev, u8 fn)
3608 {
3609 u8 v1;
3610
3611 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3612 ITERATIONS_LONG);
3613 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3614 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3615 ITERATIONS_LONG);
3616 outb(fn, spic_dev.cur_ioport->io1.minimum);
3617 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3618 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3619 return v1;
3620 }
3621
3622 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3623 {
3624 u8 v1;
3625
3626 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3627 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3628 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3629 outb(fn, spic_dev.cur_ioport->io1.minimum);
3630 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3631 outb(v, spic_dev.cur_ioport->io1.minimum);
3632 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3633 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3634 dev, fn, v, v1);
3635 return v1;
3636 }
3637
3638 /*
3639 * minidrivers for SPIC models
3640 */
3641 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3642 {
3643 /*
3644 * 0x31 could mean we have to take some extra action and wait for
3645 * the next irq for some Type3 models, it will generate a new
3646 * irq and we can read new data from the device:
3647 * - 0x5c and 0x5f requires 0xA0
3648 * - 0x61 requires 0xB3
3649 */
3650 if (data_mask == 0x31) {
3651 if (ev == 0x5c || ev == 0x5f)
3652 sony_pic_call1(0xA0);
3653 else if (ev == 0x61)
3654 sony_pic_call1(0xB3);
3655 return 0;
3656 }
3657 return 1;
3658 }
3659
3660 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3661 {
3662 struct pci_dev *pcidev;
3663
3664 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3665 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3666 if (pcidev) {
3667 dev->model = SONYPI_DEVICE_TYPE1;
3668 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3669 dev->event_types = type1_events;
3670 goto out;
3671 }
3672
3673 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3674 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3675 if (pcidev) {
3676 dev->model = SONYPI_DEVICE_TYPE2;
3677 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3678 dev->event_types = type2_events;
3679 goto out;
3680 }
3681
3682 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3683 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3684 if (pcidev) {
3685 dev->model = SONYPI_DEVICE_TYPE3;
3686 dev->handle_irq = type3_handle_irq;
3687 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3688 dev->event_types = type3_events;
3689 goto out;
3690 }
3691
3692 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3693 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3694 if (pcidev) {
3695 dev->model = SONYPI_DEVICE_TYPE3;
3696 dev->handle_irq = type3_handle_irq;
3697 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3698 dev->event_types = type3_events;
3699 goto out;
3700 }
3701
3702 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3703 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3704 if (pcidev) {
3705 dev->model = SONYPI_DEVICE_TYPE3;
3706 dev->handle_irq = type3_handle_irq;
3707 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3708 dev->event_types = type3_events;
3709 goto out;
3710 }
3711
3712 /* default */
3713 dev->model = SONYPI_DEVICE_TYPE2;
3714 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3715 dev->event_types = type2_events;
3716
3717 out:
3718 pci_dev_put(pcidev);
3719
3720 pr_info("detected Type%d model\n",
3721 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3722 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3723 }
3724
3725 /* camera tests and poweron/poweroff */
3726 #define SONYPI_CAMERA_PICTURE 5
3727 #define SONYPI_CAMERA_CONTROL 0x10
3728
3729 #define SONYPI_CAMERA_BRIGHTNESS 0
3730 #define SONYPI_CAMERA_CONTRAST 1
3731 #define SONYPI_CAMERA_HUE 2
3732 #define SONYPI_CAMERA_COLOR 3
3733 #define SONYPI_CAMERA_SHARPNESS 4
3734
3735 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3736 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3737 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3738 #define SONYPI_CAMERA_MUTE_MASK 0x40
3739
3740 /* the rest don't need a loop until not 0xff */
3741 #define SONYPI_CAMERA_AGC 6
3742 #define SONYPI_CAMERA_AGC_MASK 0x30
3743 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3744
3745 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3746 #define SONYPI_CAMERA_CONTROL 0x10
3747
3748 #define SONYPI_CAMERA_STATUS 7
3749 #define SONYPI_CAMERA_STATUS_READY 0x2
3750 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3751
3752 #define SONYPI_DIRECTION_BACKWARDS 0x4
3753
3754 #define SONYPI_CAMERA_REVISION 8
3755 #define SONYPI_CAMERA_ROMVERSION 9
3756
3757 static int __sony_pic_camera_ready(void)
3758 {
3759 u8 v;
3760
3761 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3762 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3763 }
3764
3765 static int __sony_pic_camera_off(void)
3766 {
3767 if (!camera) {
3768 pr_warn("camera control not enabled\n");
3769 return -ENODEV;
3770 }
3771
3772 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3773 SONYPI_CAMERA_MUTE_MASK),
3774 ITERATIONS_SHORT);
3775
3776 if (spic_dev.camera_power) {
3777 sony_pic_call2(0x91, 0);
3778 spic_dev.camera_power = 0;
3779 }
3780 return 0;
3781 }
3782
3783 static int __sony_pic_camera_on(void)
3784 {
3785 int i, j, x;
3786
3787 if (!camera) {
3788 pr_warn("camera control not enabled\n");
3789 return -ENODEV;
3790 }
3791
3792 if (spic_dev.camera_power)
3793 return 0;
3794
3795 for (j = 5; j > 0; j--) {
3796
3797 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3798 msleep(10);
3799 sony_pic_call1(0x93);
3800
3801 for (i = 400; i > 0; i--) {
3802 if (__sony_pic_camera_ready())
3803 break;
3804 msleep(10);
3805 }
3806 if (i)
3807 break;
3808 }
3809
3810 if (j == 0) {
3811 pr_warn("failed to power on camera\n");
3812 return -ENODEV;
3813 }
3814
3815 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3816 0x5a),
3817 ITERATIONS_SHORT);
3818
3819 spic_dev.camera_power = 1;
3820 return 0;
3821 }
3822
3823 /* External camera command (exported to the motion eye v4l driver) */
3824 int sony_pic_camera_command(int command, u8 value)
3825 {
3826 if (!camera)
3827 return -EIO;
3828
3829 mutex_lock(&spic_dev.lock);
3830
3831 switch (command) {
3832 case SONY_PIC_COMMAND_SETCAMERA:
3833 if (value)
3834 __sony_pic_camera_on();
3835 else
3836 __sony_pic_camera_off();
3837 break;
3838 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3839 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3840 ITERATIONS_SHORT);
3841 break;
3842 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3843 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3844 ITERATIONS_SHORT);
3845 break;
3846 case SONY_PIC_COMMAND_SETCAMERAHUE:
3847 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3848 ITERATIONS_SHORT);
3849 break;
3850 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3851 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3852 ITERATIONS_SHORT);
3853 break;
3854 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3855 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3856 ITERATIONS_SHORT);
3857 break;
3858 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3859 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3860 ITERATIONS_SHORT);
3861 break;
3862 case SONY_PIC_COMMAND_SETCAMERAAGC:
3863 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3864 ITERATIONS_SHORT);
3865 break;
3866 default:
3867 pr_err("sony_pic_camera_command invalid: %d\n", command);
3868 break;
3869 }
3870 mutex_unlock(&spic_dev.lock);
3871 return 0;
3872 }
3873 EXPORT_SYMBOL(sony_pic_camera_command);
3874
3875 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3876 static void __sony_pic_set_wwanpower(u8 state)
3877 {
3878 state = !!state;
3879 if (spic_dev.wwan_power == state)
3880 return;
3881 sony_pic_call2(0xB0, state);
3882 sony_pic_call1(0x82);
3883 spic_dev.wwan_power = state;
3884 }
3885
3886 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3887 struct device_attribute *attr,
3888 const char *buffer, size_t count)
3889 {
3890 unsigned long value;
3891 if (count > 31)
3892 return -EINVAL;
3893
3894 if (kstrtoul(buffer, 10, &value))
3895 return -EINVAL;
3896
3897 mutex_lock(&spic_dev.lock);
3898 __sony_pic_set_wwanpower(value);
3899 mutex_unlock(&spic_dev.lock);
3900
3901 return count;
3902 }
3903
3904 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3905 struct device_attribute *attr, char *buffer)
3906 {
3907 ssize_t count;
3908 mutex_lock(&spic_dev.lock);
3909 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3910 mutex_unlock(&spic_dev.lock);
3911 return count;
3912 }
3913
3914 /* bluetooth subsystem power state */
3915 static void __sony_pic_set_bluetoothpower(u8 state)
3916 {
3917 state = !!state;
3918 if (spic_dev.bluetooth_power == state)
3919 return;
3920 sony_pic_call2(0x96, state);
3921 sony_pic_call1(0x82);
3922 spic_dev.bluetooth_power = state;
3923 }
3924
3925 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3926 struct device_attribute *attr,
3927 const char *buffer, size_t count)
3928 {
3929 unsigned long value;
3930 if (count > 31)
3931 return -EINVAL;
3932
3933 if (kstrtoul(buffer, 10, &value))
3934 return -EINVAL;
3935
3936 mutex_lock(&spic_dev.lock);
3937 __sony_pic_set_bluetoothpower(value);
3938 mutex_unlock(&spic_dev.lock);
3939
3940 return count;
3941 }
3942
3943 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3944 struct device_attribute *attr, char *buffer)
3945 {
3946 ssize_t count = 0;
3947 mutex_lock(&spic_dev.lock);
3948 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3949 mutex_unlock(&spic_dev.lock);
3950 return count;
3951 }
3952
3953 /* fan speed */
3954 /* FAN0 information (reverse engineered from ACPI tables) */
3955 #define SONY_PIC_FAN0_STATUS 0x93
3956 static int sony_pic_set_fanspeed(unsigned long value)
3957 {
3958 return ec_write(SONY_PIC_FAN0_STATUS, value);
3959 }
3960
3961 static int sony_pic_get_fanspeed(u8 *value)
3962 {
3963 return ec_read(SONY_PIC_FAN0_STATUS, value);
3964 }
3965
3966 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3967 struct device_attribute *attr,
3968 const char *buffer, size_t count)
3969 {
3970 unsigned long value;
3971 if (count > 31)
3972 return -EINVAL;
3973
3974 if (kstrtoul(buffer, 10, &value))
3975 return -EINVAL;
3976
3977 if (sony_pic_set_fanspeed(value))
3978 return -EIO;
3979
3980 return count;
3981 }
3982
3983 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3984 struct device_attribute *attr, char *buffer)
3985 {
3986 u8 value = 0;
3987 if (sony_pic_get_fanspeed(&value))
3988 return -EIO;
3989
3990 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3991 }
3992
3993 #define SPIC_ATTR(_name, _mode) \
3994 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3995 _mode, sony_pic_## _name ##_show, \
3996 sony_pic_## _name ##_store)
3997
3998 static SPIC_ATTR(bluetoothpower, 0644);
3999 static SPIC_ATTR(wwanpower, 0644);
4000 static SPIC_ATTR(fanspeed, 0644);
4001
4002 static struct attribute *spic_attributes[] = {
4003 &spic_attr_bluetoothpower.attr,
4004 &spic_attr_wwanpower.attr,
4005 &spic_attr_fanspeed.attr,
4006 NULL
4007 };
4008
4009 static struct attribute_group spic_attribute_group = {
4010 .attrs = spic_attributes
4011 };
4012
4013 /******** SONYPI compatibility **********/
4014 #ifdef CONFIG_SONYPI_COMPAT
4015
4016 /* battery / brightness / temperature addresses */
4017 #define SONYPI_BAT_FLAGS 0x81
4018 #define SONYPI_LCD_LIGHT 0x96
4019 #define SONYPI_BAT1_PCTRM 0xa0
4020 #define SONYPI_BAT1_LEFT 0xa2
4021 #define SONYPI_BAT1_MAXRT 0xa4
4022 #define SONYPI_BAT2_PCTRM 0xa8
4023 #define SONYPI_BAT2_LEFT 0xaa
4024 #define SONYPI_BAT2_MAXRT 0xac
4025 #define SONYPI_BAT1_MAXTK 0xb0
4026 #define SONYPI_BAT1_FULL 0xb2
4027 #define SONYPI_BAT2_MAXTK 0xb8
4028 #define SONYPI_BAT2_FULL 0xba
4029 #define SONYPI_TEMP_STATUS 0xC1
4030
4031 struct sonypi_compat_s {
4032 struct fasync_struct *fifo_async;
4033 struct kfifo fifo;
4034 spinlock_t fifo_lock;
4035 wait_queue_head_t fifo_proc_list;
4036 atomic_t open_count;
4037 };
4038 static struct sonypi_compat_s sonypi_compat = {
4039 .open_count = ATOMIC_INIT(0),
4040 };
4041
4042 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4043 {
4044 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4045 }
4046
4047 static int sonypi_misc_release(struct inode *inode, struct file *file)
4048 {
4049 atomic_dec(&sonypi_compat.open_count);
4050 return 0;
4051 }
4052
4053 static int sonypi_misc_open(struct inode *inode, struct file *file)
4054 {
4055 /* Flush input queue on first open */
4056 unsigned long flags;
4057
4058 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4059
4060 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4061 kfifo_reset(&sonypi_compat.fifo);
4062
4063 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4064
4065 return 0;
4066 }
4067
4068 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4069 size_t count, loff_t *pos)
4070 {
4071 ssize_t ret;
4072 unsigned char c;
4073
4074 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4075 (file->f_flags & O_NONBLOCK))
4076 return -EAGAIN;
4077
4078 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4079 kfifo_len(&sonypi_compat.fifo) != 0);
4080 if (ret)
4081 return ret;
4082
4083 while (ret < count &&
4084 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4085 &sonypi_compat.fifo_lock) == sizeof(c))) {
4086 if (put_user(c, buf++))
4087 return -EFAULT;
4088 ret++;
4089 }
4090
4091 if (ret > 0) {
4092 struct inode *inode = file_inode(file);
4093 inode->i_atime = current_fs_time(inode->i_sb);
4094 }
4095
4096 return ret;
4097 }
4098
4099 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
4100 {
4101 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4102 if (kfifo_len(&sonypi_compat.fifo))
4103 return POLLIN | POLLRDNORM;
4104 return 0;
4105 }
4106
4107 static int ec_read16(u8 addr, u16 *value)
4108 {
4109 u8 val_lb, val_hb;
4110 if (ec_read(addr, &val_lb))
4111 return -1;
4112 if (ec_read(addr + 1, &val_hb))
4113 return -1;
4114 *value = val_lb | (val_hb << 8);
4115 return 0;
4116 }
4117
4118 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4119 unsigned long arg)
4120 {
4121 int ret = 0;
4122 void __user *argp = (void __user *)arg;
4123 u8 val8;
4124 u16 val16;
4125 int value;
4126
4127 mutex_lock(&spic_dev.lock);
4128 switch (cmd) {
4129 case SONYPI_IOCGBRT:
4130 if (sony_bl_props.dev == NULL) {
4131 ret = -EIO;
4132 break;
4133 }
4134 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4135 &value)) {
4136 ret = -EIO;
4137 break;
4138 }
4139 val8 = ((value & 0xff) - 1) << 5;
4140 if (copy_to_user(argp, &val8, sizeof(val8)))
4141 ret = -EFAULT;
4142 break;
4143 case SONYPI_IOCSBRT:
4144 if (sony_bl_props.dev == NULL) {
4145 ret = -EIO;
4146 break;
4147 }
4148 if (copy_from_user(&val8, argp, sizeof(val8))) {
4149 ret = -EFAULT;
4150 break;
4151 }
4152 value = (val8 >> 5) + 1;
4153 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4154 NULL)) {
4155 ret = -EIO;
4156 break;
4157 }
4158 /* sync the backlight device status */
4159 sony_bl_props.dev->props.brightness =
4160 sony_backlight_get_brightness(sony_bl_props.dev);
4161 break;
4162 case SONYPI_IOCGBAT1CAP:
4163 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4164 ret = -EIO;
4165 break;
4166 }
4167 if (copy_to_user(argp, &val16, sizeof(val16)))
4168 ret = -EFAULT;
4169 break;
4170 case SONYPI_IOCGBAT1REM:
4171 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4172 ret = -EIO;
4173 break;
4174 }
4175 if (copy_to_user(argp, &val16, sizeof(val16)))
4176 ret = -EFAULT;
4177 break;
4178 case SONYPI_IOCGBAT2CAP:
4179 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4180 ret = -EIO;
4181 break;
4182 }
4183 if (copy_to_user(argp, &val16, sizeof(val16)))
4184 ret = -EFAULT;
4185 break;
4186 case SONYPI_IOCGBAT2REM:
4187 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4188 ret = -EIO;
4189 break;
4190 }
4191 if (copy_to_user(argp, &val16, sizeof(val16)))
4192 ret = -EFAULT;
4193 break;
4194 case SONYPI_IOCGBATFLAGS:
4195 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4196 ret = -EIO;
4197 break;
4198 }
4199 val8 &= 0x07;
4200 if (copy_to_user(argp, &val8, sizeof(val8)))
4201 ret = -EFAULT;
4202 break;
4203 case SONYPI_IOCGBLUE:
4204 val8 = spic_dev.bluetooth_power;
4205 if (copy_to_user(argp, &val8, sizeof(val8)))
4206 ret = -EFAULT;
4207 break;
4208 case SONYPI_IOCSBLUE:
4209 if (copy_from_user(&val8, argp, sizeof(val8))) {
4210 ret = -EFAULT;
4211 break;
4212 }
4213 __sony_pic_set_bluetoothpower(val8);
4214 break;
4215 /* FAN Controls */
4216 case SONYPI_IOCGFAN:
4217 if (sony_pic_get_fanspeed(&val8)) {
4218 ret = -EIO;
4219 break;
4220 }
4221 if (copy_to_user(argp, &val8, sizeof(val8)))
4222 ret = -EFAULT;
4223 break;
4224 case SONYPI_IOCSFAN:
4225 if (copy_from_user(&val8, argp, sizeof(val8))) {
4226 ret = -EFAULT;
4227 break;
4228 }
4229 if (sony_pic_set_fanspeed(val8))
4230 ret = -EIO;
4231 break;
4232 /* GET Temperature (useful under APM) */
4233 case SONYPI_IOCGTEMP:
4234 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4235 ret = -EIO;
4236 break;
4237 }
4238 if (copy_to_user(argp, &val8, sizeof(val8)))
4239 ret = -EFAULT;
4240 break;
4241 default:
4242 ret = -EINVAL;
4243 }
4244 mutex_unlock(&spic_dev.lock);
4245 return ret;
4246 }
4247
4248 static const struct file_operations sonypi_misc_fops = {
4249 .owner = THIS_MODULE,
4250 .read = sonypi_misc_read,
4251 .poll = sonypi_misc_poll,
4252 .open = sonypi_misc_open,
4253 .release = sonypi_misc_release,
4254 .fasync = sonypi_misc_fasync,
4255 .unlocked_ioctl = sonypi_misc_ioctl,
4256 .llseek = noop_llseek,
4257 };
4258
4259 static struct miscdevice sonypi_misc_device = {
4260 .minor = MISC_DYNAMIC_MINOR,
4261 .name = "sonypi",
4262 .fops = &sonypi_misc_fops,
4263 };
4264
4265 static void sonypi_compat_report_event(u8 event)
4266 {
4267 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4268 sizeof(event), &sonypi_compat.fifo_lock);
4269 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4270 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4271 }
4272
4273 static int sonypi_compat_init(void)
4274 {
4275 int error;
4276
4277 spin_lock_init(&sonypi_compat.fifo_lock);
4278 error =
4279 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4280 if (error) {
4281 pr_err("kfifo_alloc failed\n");
4282 return error;
4283 }
4284
4285 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4286
4287 if (minor != -1)
4288 sonypi_misc_device.minor = minor;
4289 error = misc_register(&sonypi_misc_device);
4290 if (error) {
4291 pr_err("misc_register failed\n");
4292 goto err_free_kfifo;
4293 }
4294 if (minor == -1)
4295 pr_info("device allocated minor is %d\n",
4296 sonypi_misc_device.minor);
4297
4298 return 0;
4299
4300 err_free_kfifo:
4301 kfifo_free(&sonypi_compat.fifo);
4302 return error;
4303 }
4304
4305 static void sonypi_compat_exit(void)
4306 {
4307 misc_deregister(&sonypi_misc_device);
4308 kfifo_free(&sonypi_compat.fifo);
4309 }
4310 #else
4311 static int sonypi_compat_init(void) { return 0; }
4312 static void sonypi_compat_exit(void) { }
4313 static void sonypi_compat_report_event(u8 event) { }
4314 #endif /* CONFIG_SONYPI_COMPAT */
4315
4316 /*
4317 * ACPI callbacks
4318 */
4319 static acpi_status
4320 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4321 {
4322 u32 i;
4323 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4324
4325 switch (resource->type) {
4326 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4327 {
4328 /* start IO enumeration */
4329 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4330 if (!ioport)
4331 return AE_ERROR;
4332
4333 list_add(&ioport->list, &dev->ioports);
4334 return AE_OK;
4335 }
4336
4337 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4338 /* end IO enumeration */
4339 return AE_OK;
4340
4341 case ACPI_RESOURCE_TYPE_IRQ:
4342 {
4343 struct acpi_resource_irq *p = &resource->data.irq;
4344 struct sony_pic_irq *interrupt = NULL;
4345 if (!p || !p->interrupt_count) {
4346 /*
4347 * IRQ descriptors may have no IRQ# bits set,
4348 * particularly those those w/ _STA disabled
4349 */
4350 dprintk("Blank IRQ resource\n");
4351 return AE_OK;
4352 }
4353 for (i = 0; i < p->interrupt_count; i++) {
4354 if (!p->interrupts[i]) {
4355 pr_warn("Invalid IRQ %d\n",
4356 p->interrupts[i]);
4357 continue;
4358 }
4359 interrupt = kzalloc(sizeof(*interrupt),
4360 GFP_KERNEL);
4361 if (!interrupt)
4362 return AE_ERROR;
4363
4364 list_add(&interrupt->list, &dev->interrupts);
4365 interrupt->irq.triggering = p->triggering;
4366 interrupt->irq.polarity = p->polarity;
4367 interrupt->irq.sharable = p->sharable;
4368 interrupt->irq.interrupt_count = 1;
4369 interrupt->irq.interrupts[0] = p->interrupts[i];
4370 }
4371 return AE_OK;
4372 }
4373 case ACPI_RESOURCE_TYPE_IO:
4374 {
4375 struct acpi_resource_io *io = &resource->data.io;
4376 struct sony_pic_ioport *ioport =
4377 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4378 if (!io) {
4379 dprintk("Blank IO resource\n");
4380 return AE_OK;
4381 }
4382
4383 if (!ioport->io1.minimum) {
4384 memcpy(&ioport->io1, io, sizeof(*io));
4385 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4386 ioport->io1.address_length);
4387 }
4388 else if (!ioport->io2.minimum) {
4389 memcpy(&ioport->io2, io, sizeof(*io));
4390 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4391 ioport->io2.address_length);
4392 }
4393 else {
4394 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4395 return AE_ERROR;
4396 }
4397 return AE_OK;
4398 }
4399 default:
4400 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4401 resource->type);
4402
4403 case ACPI_RESOURCE_TYPE_END_TAG:
4404 return AE_OK;
4405 }
4406 return AE_CTRL_TERMINATE;
4407 }
4408
4409 static int sony_pic_possible_resources(struct acpi_device *device)
4410 {
4411 int result = 0;
4412 acpi_status status = AE_OK;
4413
4414 if (!device)
4415 return -EINVAL;
4416
4417 /* get device status */
4418 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4419 dprintk("Evaluating _STA\n");
4420 result = acpi_bus_get_status(device);
4421 if (result) {
4422 pr_warn("Unable to read status\n");
4423 goto end;
4424 }
4425
4426 if (!device->status.enabled)
4427 dprintk("Device disabled\n");
4428 else
4429 dprintk("Device enabled\n");
4430
4431 /*
4432 * Query and parse 'method'
4433 */
4434 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4435 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4436 sony_pic_read_possible_resource, &spic_dev);
4437 if (ACPI_FAILURE(status)) {
4438 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4439 result = -ENODEV;
4440 }
4441 end:
4442 return result;
4443 }
4444
4445 /*
4446 * Disable the spic device by calling its _DIS method
4447 */
4448 static int sony_pic_disable(struct acpi_device *device)
4449 {
4450 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4451 NULL);
4452
4453 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4454 return -ENXIO;
4455
4456 dprintk("Device disabled\n");
4457 return 0;
4458 }
4459
4460
4461 /*
4462 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4463 *
4464 * Call _SRS to set current resources
4465 */
4466 static int sony_pic_enable(struct acpi_device *device,
4467 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4468 {
4469 acpi_status status;
4470 int result = 0;
4471 /* Type 1 resource layout is:
4472 * IO
4473 * IO
4474 * IRQNoFlags
4475 * End
4476 *
4477 * Type 2 and 3 resource layout is:
4478 * IO
4479 * IRQNoFlags
4480 * End
4481 */
4482 struct {
4483 struct acpi_resource res1;
4484 struct acpi_resource res2;
4485 struct acpi_resource res3;
4486 struct acpi_resource res4;
4487 } *resource;
4488 struct acpi_buffer buffer = { 0, NULL };
4489
4490 if (!ioport || !irq)
4491 return -EINVAL;
4492
4493 /* init acpi_buffer */
4494 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4495 if (!resource)
4496 return -ENOMEM;
4497
4498 buffer.length = sizeof(*resource) + 1;
4499 buffer.pointer = resource;
4500
4501 /* setup Type 1 resources */
4502 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4503
4504 /* setup io resources */
4505 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4506 resource->res1.length = sizeof(struct acpi_resource);
4507 memcpy(&resource->res1.data.io, &ioport->io1,
4508 sizeof(struct acpi_resource_io));
4509
4510 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4511 resource->res2.length = sizeof(struct acpi_resource);
4512 memcpy(&resource->res2.data.io, &ioport->io2,
4513 sizeof(struct acpi_resource_io));
4514
4515 /* setup irq resource */
4516 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4517 resource->res3.length = sizeof(struct acpi_resource);
4518 memcpy(&resource->res3.data.irq, &irq->irq,
4519 sizeof(struct acpi_resource_irq));
4520 /* we requested a shared irq */
4521 resource->res3.data.irq.sharable = ACPI_SHARED;
4522
4523 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4524 resource->res4.length = sizeof(struct acpi_resource);
4525 }
4526 /* setup Type 2/3 resources */
4527 else {
4528 /* setup io resource */
4529 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4530 resource->res1.length = sizeof(struct acpi_resource);
4531 memcpy(&resource->res1.data.io, &ioport->io1,
4532 sizeof(struct acpi_resource_io));
4533
4534 /* setup irq resource */
4535 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4536 resource->res2.length = sizeof(struct acpi_resource);
4537 memcpy(&resource->res2.data.irq, &irq->irq,
4538 sizeof(struct acpi_resource_irq));
4539 /* we requested a shared irq */
4540 resource->res2.data.irq.sharable = ACPI_SHARED;
4541
4542 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4543 resource->res3.length = sizeof(struct acpi_resource);
4544 }
4545
4546 /* Attempt to set the resource */
4547 dprintk("Evaluating _SRS\n");
4548 status = acpi_set_current_resources(device->handle, &buffer);
4549
4550 /* check for total failure */
4551 if (ACPI_FAILURE(status)) {
4552 pr_err("Error evaluating _SRS\n");
4553 result = -ENODEV;
4554 goto end;
4555 }
4556
4557 /* Necessary device initializations calls (from sonypi) */
4558 sony_pic_call1(0x82);
4559 sony_pic_call2(0x81, 0xff);
4560 sony_pic_call1(compat ? 0x92 : 0x82);
4561
4562 end:
4563 kfree(resource);
4564 return result;
4565 }
4566
4567 /*****************
4568 *
4569 * ISR: some event is available
4570 *
4571 *****************/
4572 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4573 {
4574 int i, j;
4575 u8 ev = 0;
4576 u8 data_mask = 0;
4577 u8 device_event = 0;
4578
4579 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4580
4581 ev = inb_p(dev->cur_ioport->io1.minimum);
4582 if (dev->cur_ioport->io2.minimum)
4583 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4584 else
4585 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4586 dev->evport_offset);
4587
4588 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4589 ev, data_mask, dev->cur_ioport->io1.minimum,
4590 dev->evport_offset);
4591
4592 if (ev == 0x00 || ev == 0xff)
4593 return IRQ_HANDLED;
4594
4595 for (i = 0; dev->event_types[i].mask; i++) {
4596
4597 if ((data_mask & dev->event_types[i].data) !=
4598 dev->event_types[i].data)
4599 continue;
4600
4601 if (!(mask & dev->event_types[i].mask))
4602 continue;
4603
4604 for (j = 0; dev->event_types[i].events[j].event; j++) {
4605 if (ev == dev->event_types[i].events[j].data) {
4606 device_event =
4607 dev->event_types[i].events[j].event;
4608 /* some events may require ignoring */
4609 if (!device_event)
4610 return IRQ_HANDLED;
4611 goto found;
4612 }
4613 }
4614 }
4615 /* Still not able to decode the event try to pass
4616 * it over to the minidriver
4617 */
4618 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4619 return IRQ_HANDLED;
4620
4621 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4622 ev, data_mask, dev->cur_ioport->io1.minimum,
4623 dev->evport_offset);
4624 return IRQ_HANDLED;
4625
4626 found:
4627 sony_laptop_report_input_event(device_event);
4628 sonypi_compat_report_event(device_event);
4629 return IRQ_HANDLED;
4630 }
4631
4632 /*****************
4633 *
4634 * ACPI driver
4635 *
4636 *****************/
4637 static int sony_pic_remove(struct acpi_device *device)
4638 {
4639 struct sony_pic_ioport *io, *tmp_io;
4640 struct sony_pic_irq *irq, *tmp_irq;
4641
4642 if (sony_pic_disable(device)) {
4643 pr_err("Couldn't disable device\n");
4644 return -ENXIO;
4645 }
4646
4647 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4648 release_region(spic_dev.cur_ioport->io1.minimum,
4649 spic_dev.cur_ioport->io1.address_length);
4650 if (spic_dev.cur_ioport->io2.minimum)
4651 release_region(spic_dev.cur_ioport->io2.minimum,
4652 spic_dev.cur_ioport->io2.address_length);
4653
4654 sonypi_compat_exit();
4655
4656 sony_laptop_remove_input();
4657
4658 /* pf attrs */
4659 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4660 sony_pf_remove();
4661
4662 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4663 list_del(&io->list);
4664 kfree(io);
4665 }
4666 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4667 list_del(&irq->list);
4668 kfree(irq);
4669 }
4670 spic_dev.cur_ioport = NULL;
4671 spic_dev.cur_irq = NULL;
4672
4673 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4674 return 0;
4675 }
4676
4677 static int sony_pic_add(struct acpi_device *device)
4678 {
4679 int result;
4680 struct sony_pic_ioport *io, *tmp_io;
4681 struct sony_pic_irq *irq, *tmp_irq;
4682
4683 spic_dev.acpi_dev = device;
4684 strcpy(acpi_device_class(device), "sony/hotkey");
4685 sony_pic_detect_device_type(&spic_dev);
4686 mutex_init(&spic_dev.lock);
4687
4688 /* read _PRS resources */
4689 result = sony_pic_possible_resources(device);
4690 if (result) {
4691 pr_err("Unable to read possible resources\n");
4692 goto err_free_resources;
4693 }
4694
4695 /* setup input devices and helper fifo */
4696 result = sony_laptop_setup_input(device);
4697 if (result) {
4698 pr_err("Unable to create input devices\n");
4699 goto err_free_resources;
4700 }
4701
4702 result = sonypi_compat_init();
4703 if (result)
4704 goto err_remove_input;
4705
4706 /* request io port */
4707 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4708 if (request_region(io->io1.minimum, io->io1.address_length,
4709 "Sony Programmable I/O Device")) {
4710 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4711 io->io1.minimum, io->io1.maximum,
4712 io->io1.address_length);
4713 /* Type 1 have 2 ioports */
4714 if (io->io2.minimum) {
4715 if (request_region(io->io2.minimum,
4716 io->io2.address_length,
4717 "Sony Programmable I/O Device")) {
4718 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4719 io->io2.minimum, io->io2.maximum,
4720 io->io2.address_length);
4721 spic_dev.cur_ioport = io;
4722 break;
4723 }
4724 else {
4725 dprintk("Unable to get I/O port2: "
4726 "0x%.4x (0x%.4x) + 0x%.2x\n",
4727 io->io2.minimum, io->io2.maximum,
4728 io->io2.address_length);
4729 release_region(io->io1.minimum,
4730 io->io1.address_length);
4731 }
4732 }
4733 else {
4734 spic_dev.cur_ioport = io;
4735 break;
4736 }
4737 }
4738 }
4739 if (!spic_dev.cur_ioport) {
4740 pr_err("Failed to request_region\n");
4741 result = -ENODEV;
4742 goto err_remove_compat;
4743 }
4744
4745 /* request IRQ */
4746 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4747 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4748 0, "sony-laptop", &spic_dev)) {
4749 dprintk("IRQ: %d - triggering: %d - "
4750 "polarity: %d - shr: %d\n",
4751 irq->irq.interrupts[0],
4752 irq->irq.triggering,
4753 irq->irq.polarity,
4754 irq->irq.sharable);
4755 spic_dev.cur_irq = irq;
4756 break;
4757 }
4758 }
4759 if (!spic_dev.cur_irq) {
4760 pr_err("Failed to request_irq\n");
4761 result = -ENODEV;
4762 goto err_release_region;
4763 }
4764
4765 /* set resource status _SRS */
4766 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4767 if (result) {
4768 pr_err("Couldn't enable device\n");
4769 goto err_free_irq;
4770 }
4771
4772 spic_dev.bluetooth_power = -1;
4773 /* create device attributes */
4774 result = sony_pf_add();
4775 if (result)
4776 goto err_disable_device;
4777
4778 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4779 if (result)
4780 goto err_remove_pf;
4781
4782 pr_info("SPIC setup done.\n");
4783 return 0;
4784
4785 err_remove_pf:
4786 sony_pf_remove();
4787
4788 err_disable_device:
4789 sony_pic_disable(device);
4790
4791 err_free_irq:
4792 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4793
4794 err_release_region:
4795 release_region(spic_dev.cur_ioport->io1.minimum,
4796 spic_dev.cur_ioport->io1.address_length);
4797 if (spic_dev.cur_ioport->io2.minimum)
4798 release_region(spic_dev.cur_ioport->io2.minimum,
4799 spic_dev.cur_ioport->io2.address_length);
4800
4801 err_remove_compat:
4802 sonypi_compat_exit();
4803
4804 err_remove_input:
4805 sony_laptop_remove_input();
4806
4807 err_free_resources:
4808 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4809 list_del(&io->list);
4810 kfree(io);
4811 }
4812 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4813 list_del(&irq->list);
4814 kfree(irq);
4815 }
4816 spic_dev.cur_ioport = NULL;
4817 spic_dev.cur_irq = NULL;
4818
4819 return result;
4820 }
4821
4822 #ifdef CONFIG_PM_SLEEP
4823 static int sony_pic_suspend(struct device *dev)
4824 {
4825 if (sony_pic_disable(to_acpi_device(dev)))
4826 return -ENXIO;
4827 return 0;
4828 }
4829
4830 static int sony_pic_resume(struct device *dev)
4831 {
4832 sony_pic_enable(to_acpi_device(dev),
4833 spic_dev.cur_ioport, spic_dev.cur_irq);
4834 return 0;
4835 }
4836 #endif
4837
4838 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4839
4840 static const struct acpi_device_id sony_pic_device_ids[] = {
4841 {SONY_PIC_HID, 0},
4842 {"", 0},
4843 };
4844
4845 static struct acpi_driver sony_pic_driver = {
4846 .name = SONY_PIC_DRIVER_NAME,
4847 .class = SONY_PIC_CLASS,
4848 .ids = sony_pic_device_ids,
4849 .owner = THIS_MODULE,
4850 .ops = {
4851 .add = sony_pic_add,
4852 .remove = sony_pic_remove,
4853 },
4854 .drv.pm = &sony_pic_pm,
4855 };
4856
4857 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4858 {
4859 .ident = "Sony Vaio",
4860 .matches = {
4861 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4862 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4863 },
4864 },
4865 {
4866 .ident = "Sony Vaio",
4867 .matches = {
4868 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4869 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4870 },
4871 },
4872 { }
4873 };
4874
4875 static int __init sony_laptop_init(void)
4876 {
4877 int result;
4878
4879 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4880 result = acpi_bus_register_driver(&sony_pic_driver);
4881 if (result) {
4882 pr_err("Unable to register SPIC driver\n");
4883 goto out;
4884 }
4885 spic_drv_registered = 1;
4886 }
4887
4888 result = acpi_bus_register_driver(&sony_nc_driver);
4889 if (result) {
4890 pr_err("Unable to register SNC driver\n");
4891 goto out_unregister_pic;
4892 }
4893
4894 return 0;
4895
4896 out_unregister_pic:
4897 if (spic_drv_registered)
4898 acpi_bus_unregister_driver(&sony_pic_driver);
4899 out:
4900 return result;
4901 }
4902
4903 static void __exit sony_laptop_exit(void)
4904 {
4905 acpi_bus_unregister_driver(&sony_nc_driver);
4906 if (spic_drv_registered)
4907 acpi_bus_unregister_driver(&sony_pic_driver);
4908 }
4909
4910 module_init(sony_laptop_init);
4911 module_exit(sony_laptop_exit);
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