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dm thin metadata: fix __udivdi3 undefined on 32-bit
[linux/fpc-iii.git] / drivers / platform / x86 / sony-laptop.c
blobf73c29558cd3958105401d91fb37edf323e79b9c
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 #include <acpi/video.h>
73
74 #define dprintk(fmt, ...) \
75 do { \
76 if (debug) \
77 pr_warn(fmt, ##__VA_ARGS__); \
78 } while (0)
79
80 #define SONY_NC_CLASS "sony-nc"
81 #define SONY_NC_HID "SNY5001"
82 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
83
84 #define SONY_PIC_CLASS "sony-pic"
85 #define SONY_PIC_HID "SNY6001"
86 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
87
88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
90 MODULE_LICENSE("GPL");
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
96
97 static int no_spic; /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102 static int compat; /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
112 static int camera; /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124 #endif
125
126 static int kbd_backlight = -1;
127 module_param(kbd_backlight, int, 0444);
128 MODULE_PARM_DESC(kbd_backlight,
129 "set this to 0 to disable keyboard backlight, "
130 "1 to enable it with automatic control and 2 to have it always "
131 "on (default: no change from current value)");
132
133 static int kbd_backlight_timeout = -1;
134 module_param(kbd_backlight_timeout, int, 0444);
135 MODULE_PARM_DESC(kbd_backlight_timeout,
136 "meaningful values vary from 0 to 3 and their meaning depends "
137 "on the model (default: no change from current value)");
138
139 #ifdef CONFIG_PM_SLEEP
140 static void sony_nc_thermal_resume(void);
141 #endif
142 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
143 unsigned int handle);
144 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
145 unsigned int handle);
146
147 static int sony_nc_battery_care_setup(struct platform_device *pd,
148 unsigned int handle);
149 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
150
151 static int sony_nc_thermal_setup(struct platform_device *pd);
152 static void sony_nc_thermal_cleanup(struct platform_device *pd);
153
154 static int sony_nc_lid_resume_setup(struct platform_device *pd,
155 unsigned int handle);
156 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
157
158 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
159 unsigned int handle);
160 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
161 static int __sony_nc_gfx_switch_status_get(void);
162
163 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
164 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
165
166 static int sony_nc_lowbatt_setup(struct platform_device *pd);
167 static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
168
169 static int sony_nc_fanspeed_setup(struct platform_device *pd);
170 static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
171
172 static int sony_nc_usb_charge_setup(struct platform_device *pd);
173 static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
174
175 static int sony_nc_panelid_setup(struct platform_device *pd);
176 static void sony_nc_panelid_cleanup(struct platform_device *pd);
177
178 static int sony_nc_smart_conn_setup(struct platform_device *pd);
179 static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
180
181 static int sony_nc_touchpad_setup(struct platform_device *pd,
182 unsigned int handle);
183 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
184
185 enum sony_nc_rfkill {
186 SONY_WIFI,
187 SONY_BLUETOOTH,
188 SONY_WWAN,
189 SONY_WIMAX,
190 N_SONY_RFKILL,
191 };
192
193 static int sony_rfkill_handle;
194 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
195 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
196 static int sony_nc_rfkill_setup(struct acpi_device *device,
197 unsigned int handle);
198 static void sony_nc_rfkill_cleanup(void);
199 static void sony_nc_rfkill_update(void);
200
201 /*********** Input Devices ***********/
202
203 #define SONY_LAPTOP_BUF_SIZE 128
204 struct sony_laptop_input_s {
205 atomic_t users;
206 struct input_dev *jog_dev;
207 struct input_dev *key_dev;
208 struct kfifo fifo;
209 spinlock_t fifo_lock;
210 struct timer_list release_key_timer;
211 };
212
213 static struct sony_laptop_input_s sony_laptop_input = {
214 .users = ATOMIC_INIT(0),
215 };
216
217 struct sony_laptop_keypress {
218 struct input_dev *dev;
219 int key;
220 };
221
222 /* Correspondance table between sonypi events
223 * and input layer indexes in the keymap
224 */
225 static int sony_laptop_input_index[] = {
226 -1, /* 0 no event */
227 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
228 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
229 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
230 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
231 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
232 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
233 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
234 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
235 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
236 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
237 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
238 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
239 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
240 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
241 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
242 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
243 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
244 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
245 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
246 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
247 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
248 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
249 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
250 17, /* 24 SONYPI_EVENT_FNKEY_1 */
251 18, /* 25 SONYPI_EVENT_FNKEY_2 */
252 19, /* 26 SONYPI_EVENT_FNKEY_D */
253 20, /* 27 SONYPI_EVENT_FNKEY_E */
254 21, /* 28 SONYPI_EVENT_FNKEY_F */
255 22, /* 29 SONYPI_EVENT_FNKEY_S */
256 23, /* 30 SONYPI_EVENT_FNKEY_B */
257 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
258 25, /* 32 SONYPI_EVENT_PKEY_P1 */
259 26, /* 33 SONYPI_EVENT_PKEY_P2 */
260 27, /* 34 SONYPI_EVENT_PKEY_P3 */
261 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
262 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
263 -1, /* 37 SONYPI_EVENT_LID_OPENED */
264 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
265 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
266 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
267 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
268 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
269 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
270 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
271 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
272 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
273 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
274 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
275 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
276 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
277 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
278 43, /* 52 SONYPI_EVENT_MEYE_FACE */
279 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
280 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
281 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
282 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
283 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
284 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
285 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
286 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
287 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
288 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
289 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
290 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
291 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
292 53, /* 66 SONYPI_EVENT_PKEY_P4 */
293 54, /* 67 SONYPI_EVENT_PKEY_P5 */
294 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
295 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
296 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
297 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
298 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
299 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
300 };
301
302 static int sony_laptop_input_keycode_map[] = {
303 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
304 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
305 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
306 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
307 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
308 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
309 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
310 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
311 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
312 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
313 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
314 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
315 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
316 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
317 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
318 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
319 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
320 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
321 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
322 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
323 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
324 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
325 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
326 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
327 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
328 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
329 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
330 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
331 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
332 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
333 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
334 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
335 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
336 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
337 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
338 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
339 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
340 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
341 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
342 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
343 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
344 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
345 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
346 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
347 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
348 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
349 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
350 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
351 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
352 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
353 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
354 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
355 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
356 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
357 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
358 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
359 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
360 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
361 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
362 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
363 };
364
365 /* release buttons after a short delay if pressed */
366 static void do_sony_laptop_release_key(unsigned long unused)
367 {
368 struct sony_laptop_keypress kp;
369 unsigned long flags;
370
371 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
372
373 if (kfifo_out(&sony_laptop_input.fifo,
374 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
375 input_report_key(kp.dev, kp.key, 0);
376 input_sync(kp.dev);
377 }
378
379 /* If there is something in the fifo schedule next release. */
380 if (kfifo_len(&sony_laptop_input.fifo) != 0)
381 mod_timer(&sony_laptop_input.release_key_timer,
382 jiffies + msecs_to_jiffies(10));
383
384 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
385 }
386
387 /* forward event to the input subsystem */
388 static void sony_laptop_report_input_event(u8 event)
389 {
390 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
391 struct input_dev *key_dev = sony_laptop_input.key_dev;
392 struct sony_laptop_keypress kp = { NULL };
393 int scancode = -1;
394
395 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
396 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
397 /* Nothing, not all VAIOs generate this event */
398 return;
399 }
400
401 /* report events */
402 switch (event) {
403 /* jog_dev events */
404 case SONYPI_EVENT_JOGDIAL_UP:
405 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
406 input_report_rel(jog_dev, REL_WHEEL, 1);
407 input_sync(jog_dev);
408 return;
409
410 case SONYPI_EVENT_JOGDIAL_DOWN:
411 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
412 input_report_rel(jog_dev, REL_WHEEL, -1);
413 input_sync(jog_dev);
414 return;
415
416 /* key_dev events */
417 case SONYPI_EVENT_JOGDIAL_PRESSED:
418 kp.key = BTN_MIDDLE;
419 kp.dev = jog_dev;
420 break;
421
422 default:
423 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
424 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
425 break;
426 }
427 if ((scancode = sony_laptop_input_index[event]) != -1) {
428 kp.key = sony_laptop_input_keycode_map[scancode];
429 if (kp.key != KEY_UNKNOWN)
430 kp.dev = key_dev;
431 }
432 break;
433 }
434
435 if (kp.dev) {
436 /* if we have a scancode we emit it so we can always
437 remap the key */
438 if (scancode != -1)
439 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
440 input_report_key(kp.dev, kp.key, 1);
441 input_sync(kp.dev);
442
443 /* schedule key release */
444 kfifo_in_locked(&sony_laptop_input.fifo,
445 (unsigned char *)&kp, sizeof(kp),
446 &sony_laptop_input.fifo_lock);
447 mod_timer(&sony_laptop_input.release_key_timer,
448 jiffies + msecs_to_jiffies(10));
449 } else
450 dprintk("unknown input event %.2x\n", event);
451 }
452
453 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
454 {
455 struct input_dev *jog_dev;
456 struct input_dev *key_dev;
457 int i;
458 int error;
459
460 /* don't run again if already initialized */
461 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
462 return 0;
463
464 /* kfifo */
465 spin_lock_init(&sony_laptop_input.fifo_lock);
466 error = kfifo_alloc(&sony_laptop_input.fifo,
467 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
468 if (error) {
469 pr_err("kfifo_alloc failed\n");
470 goto err_dec_users;
471 }
472
473 setup_timer(&sony_laptop_input.release_key_timer,
474 do_sony_laptop_release_key, 0);
475
476 /* input keys */
477 key_dev = input_allocate_device();
478 if (!key_dev) {
479 error = -ENOMEM;
480 goto err_free_kfifo;
481 }
482
483 key_dev->name = "Sony Vaio Keys";
484 key_dev->id.bustype = BUS_ISA;
485 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
486 key_dev->dev.parent = &acpi_device->dev;
487
488 /* Initialize the Input Drivers: special keys */
489 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
490
491 __set_bit(EV_KEY, key_dev->evbit);
492 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
493 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
494 key_dev->keycode = &sony_laptop_input_keycode_map;
495 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
496 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
497 __clear_bit(KEY_RESERVED, key_dev->keybit);
498
499 error = input_register_device(key_dev);
500 if (error)
501 goto err_free_keydev;
502
503 sony_laptop_input.key_dev = key_dev;
504
505 /* jogdial */
506 jog_dev = input_allocate_device();
507 if (!jog_dev) {
508 error = -ENOMEM;
509 goto err_unregister_keydev;
510 }
511
512 jog_dev->name = "Sony Vaio Jogdial";
513 jog_dev->id.bustype = BUS_ISA;
514 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
515 jog_dev->dev.parent = &acpi_device->dev;
516
517 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
518 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
519
520 error = input_register_device(jog_dev);
521 if (error)
522 goto err_free_jogdev;
523
524 sony_laptop_input.jog_dev = jog_dev;
525
526 return 0;
527
528 err_free_jogdev:
529 input_free_device(jog_dev);
530
531 err_unregister_keydev:
532 input_unregister_device(key_dev);
533 /* to avoid kref underflow below at input_free_device */
534 key_dev = NULL;
535
536 err_free_keydev:
537 input_free_device(key_dev);
538
539 err_free_kfifo:
540 kfifo_free(&sony_laptop_input.fifo);
541
542 err_dec_users:
543 atomic_dec(&sony_laptop_input.users);
544 return error;
545 }
546
547 static void sony_laptop_remove_input(void)
548 {
549 struct sony_laptop_keypress kp = { NULL };
550
551 /* Cleanup only after the last user has gone */
552 if (!atomic_dec_and_test(&sony_laptop_input.users))
553 return;
554
555 del_timer_sync(&sony_laptop_input.release_key_timer);
556
557 /*
558 * Generate key-up events for remaining keys. Note that we don't
559 * need locking since nobody is adding new events to the kfifo.
560 */
561 while (kfifo_out(&sony_laptop_input.fifo,
562 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
563 input_report_key(kp.dev, kp.key, 0);
564 input_sync(kp.dev);
565 }
566
567 /* destroy input devs */
568 input_unregister_device(sony_laptop_input.key_dev);
569 sony_laptop_input.key_dev = NULL;
570
571 if (sony_laptop_input.jog_dev) {
572 input_unregister_device(sony_laptop_input.jog_dev);
573 sony_laptop_input.jog_dev = NULL;
574 }
575
576 kfifo_free(&sony_laptop_input.fifo);
577 }
578
579 /*********** Platform Device ***********/
580
581 static atomic_t sony_pf_users = ATOMIC_INIT(0);
582 static struct platform_driver sony_pf_driver = {
583 .driver = {
584 .name = "sony-laptop",
585 }
586 };
587 static struct platform_device *sony_pf_device;
588
589 static int sony_pf_add(void)
590 {
591 int ret = 0;
592
593 /* don't run again if already initialized */
594 if (atomic_add_return(1, &sony_pf_users) > 1)
595 return 0;
596
597 ret = platform_driver_register(&sony_pf_driver);
598 if (ret)
599 goto out;
600
601 sony_pf_device = platform_device_alloc("sony-laptop", -1);
602 if (!sony_pf_device) {
603 ret = -ENOMEM;
604 goto out_platform_registered;
605 }
606
607 ret = platform_device_add(sony_pf_device);
608 if (ret)
609 goto out_platform_alloced;
610
611 return 0;
612
613 out_platform_alloced:
614 platform_device_put(sony_pf_device);
615 sony_pf_device = NULL;
616 out_platform_registered:
617 platform_driver_unregister(&sony_pf_driver);
618 out:
619 atomic_dec(&sony_pf_users);
620 return ret;
621 }
622
623 static void sony_pf_remove(void)
624 {
625 /* deregister only after the last user has gone */
626 if (!atomic_dec_and_test(&sony_pf_users))
627 return;
628
629 platform_device_unregister(sony_pf_device);
630 platform_driver_unregister(&sony_pf_driver);
631 }
632
633 /*********** SNC (SNY5001) Device ***********/
634
635 /* the device uses 1-based values, while the backlight subsystem uses
636 0-based values */
637 #define SONY_MAX_BRIGHTNESS 8
638
639 #define SNC_VALIDATE_IN 0
640 #define SNC_VALIDATE_OUT 1
641
642 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
643 char *);
644 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
645 const char *, size_t);
646 static int boolean_validate(const int, const int);
647 static int brightness_default_validate(const int, const int);
648
649 struct sony_nc_value {
650 char *name; /* name of the entry */
651 char **acpiget; /* names of the ACPI get function */
652 char **acpiset; /* names of the ACPI set function */
653 int (*validate)(const int, const int); /* input/output validation */
654 int value; /* current setting */
655 int valid; /* Has ever been set */
656 int debug; /* active only in debug mode ? */
657 struct device_attribute devattr; /* sysfs attribute */
658 };
659
660 #define SNC_HANDLE_NAMES(_name, _values...) \
661 static char *snc_##_name[] = { _values, NULL }
662
663 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
664 { \
665 .name = __stringify(_name), \
666 .acpiget = _getters, \
667 .acpiset = _setters, \
668 .validate = _validate, \
669 .debug = _debug, \
670 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
671 }
672
673 #define SNC_HANDLE_NULL { .name = NULL }
674
675 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
676
677 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
678 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
679
680 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
681 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
682
683 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
684 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
685
686 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
687 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
688
689 SNC_HANDLE_NAMES(lidstate_get, "GLID");
690
691 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
692 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
693
694 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
695 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
696
697 SNC_HANDLE_NAMES(PID_get, "GPID");
698
699 SNC_HANDLE_NAMES(CTR_get, "GCTR");
700 SNC_HANDLE_NAMES(CTR_set, "SCTR");
701
702 SNC_HANDLE_NAMES(PCR_get, "GPCR");
703 SNC_HANDLE_NAMES(PCR_set, "SPCR");
704
705 SNC_HANDLE_NAMES(CMI_get, "GCMI");
706 SNC_HANDLE_NAMES(CMI_set, "SCMI");
707
708 static struct sony_nc_value sony_nc_values[] = {
709 SNC_HANDLE(brightness_default, snc_brightness_def_get,
710 snc_brightness_def_set, brightness_default_validate, 0),
711 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
712 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
713 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
714 boolean_validate, 0),
715 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
716 boolean_validate, 1),
717 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
718 boolean_validate, 0),
719 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
720 boolean_validate, 0),
721 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
722 boolean_validate, 0),
723 /* unknown methods */
724 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
725 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
726 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
727 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
728 SNC_HANDLE_NULL
729 };
730
731 static acpi_handle sony_nc_acpi_handle;
732 static struct acpi_device *sony_nc_acpi_device = NULL;
733
734 /*
735 * acpi_evaluate_object wrappers
736 * all useful calls into SNC methods take one or zero parameters and return
737 * integers or arrays.
738 */
739 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
740 u64 *value)
741 {
742 union acpi_object *result = NULL;
743 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
744 acpi_status status;
745
746 if (value) {
747 struct acpi_object_list params;
748 union acpi_object in;
749 in.type = ACPI_TYPE_INTEGER;
750 in.integer.value = *value;
751 params.count = 1;
752 params.pointer = &in;
753 status = acpi_evaluate_object(handle, method, &params, &output);
754 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
755 (unsigned int)(*value >> 32),
756 (unsigned int)*value & 0xffffffff);
757 } else {
758 status = acpi_evaluate_object(handle, method, NULL, &output);
759 dprintk("__call_snc_method: [%s]\n", method);
760 }
761
762 if (ACPI_FAILURE(status)) {
763 pr_err("Failed to evaluate [%s]\n", method);
764 return NULL;
765 }
766
767 result = (union acpi_object *) output.pointer;
768 if (!result)
769 dprintk("No return object [%s]\n", method);
770
771 return result;
772 }
773
774 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
775 int *result)
776 {
777 union acpi_object *object = NULL;
778 if (value) {
779 u64 v = *value;
780 object = __call_snc_method(handle, name, &v);
781 } else
782 object = __call_snc_method(handle, name, NULL);
783
784 if (!object)
785 return -EINVAL;
786
787 if (object->type != ACPI_TYPE_INTEGER) {
788 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
789 ACPI_TYPE_INTEGER, object->type);
790 kfree(object);
791 return -EINVAL;
792 }
793
794 if (result)
795 *result = object->integer.value;
796
797 kfree(object);
798 return 0;
799 }
800
801 #define MIN(a, b) (a > b ? b : a)
802 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
803 void *buffer, size_t buflen)
804 {
805 int ret = 0;
806 size_t len;
807 union acpi_object *object = __call_snc_method(handle, name, value);
808
809 if (!object)
810 return -EINVAL;
811
812 if (object->type == ACPI_TYPE_BUFFER) {
813 len = MIN(buflen, object->buffer.length);
814 memcpy(buffer, object->buffer.pointer, len);
815
816 } else if (object->type == ACPI_TYPE_INTEGER) {
817 len = MIN(buflen, sizeof(object->integer.value));
818 memcpy(buffer, &object->integer.value, len);
819
820 } else {
821 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
822 ACPI_TYPE_BUFFER, object->type);
823 ret = -EINVAL;
824 }
825
826 kfree(object);
827 return ret;
828 }
829
830 struct sony_nc_handles {
831 u16 cap[0x10];
832 struct device_attribute devattr;
833 };
834
835 static struct sony_nc_handles *handles;
836
837 static ssize_t sony_nc_handles_show(struct device *dev,
838 struct device_attribute *attr, char *buffer)
839 {
840 ssize_t len = 0;
841 int i;
842
843 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
844 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
845 handles->cap[i]);
846 }
847 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
848
849 return len;
850 }
851
852 static int sony_nc_handles_setup(struct platform_device *pd)
853 {
854 int i, r, result, arg;
855
856 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
857 if (!handles)
858 return -ENOMEM;
859
860 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
861 arg = i + 0x20;
862 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
863 &result);
864 if (!r) {
865 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
866 result, i);
867 handles->cap[i] = result;
868 }
869 }
870
871 if (debug) {
872 sysfs_attr_init(&handles->devattr.attr);
873 handles->devattr.attr.name = "handles";
874 handles->devattr.attr.mode = S_IRUGO;
875 handles->devattr.show = sony_nc_handles_show;
876
877 /* allow reading capabilities via sysfs */
878 if (device_create_file(&pd->dev, &handles->devattr)) {
879 kfree(handles);
880 handles = NULL;
881 return -1;
882 }
883 }
884
885 return 0;
886 }
887
888 static int sony_nc_handles_cleanup(struct platform_device *pd)
889 {
890 if (handles) {
891 if (debug)
892 device_remove_file(&pd->dev, &handles->devattr);
893 kfree(handles);
894 handles = NULL;
895 }
896 return 0;
897 }
898
899 static int sony_find_snc_handle(int handle)
900 {
901 int i;
902
903 /* not initialized yet, return early */
904 if (!handles || !handle)
905 return -EINVAL;
906
907 for (i = 0; i < 0x10; i++) {
908 if (handles->cap[i] == handle) {
909 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
910 handle, i);
911 return i;
912 }
913 }
914 dprintk("handle 0x%.4x not found\n", handle);
915 return -EINVAL;
916 }
917
918 static int sony_call_snc_handle(int handle, int argument, int *result)
919 {
920 int arg, ret = 0;
921 int offset = sony_find_snc_handle(handle);
922
923 if (offset < 0)
924 return offset;
925
926 arg = offset | argument;
927 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
928 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
929 return ret;
930 }
931
932 /*
933 * sony_nc_values input/output validate functions
934 */
935
936 /* brightness_default_validate:
937 *
938 * manipulate input output values to keep consistency with the
939 * backlight framework for which brightness values are 0-based.
940 */
941 static int brightness_default_validate(const int direction, const int value)
942 {
943 switch (direction) {
944 case SNC_VALIDATE_OUT:
945 return value - 1;
946 case SNC_VALIDATE_IN:
947 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
948 return value + 1;
949 }
950 return -EINVAL;
951 }
952
953 /* boolean_validate:
954 *
955 * on input validate boolean values 0/1, on output just pass the
956 * received value.
957 */
958 static int boolean_validate(const int direction, const int value)
959 {
960 if (direction == SNC_VALIDATE_IN) {
961 if (value != 0 && value != 1)
962 return -EINVAL;
963 }
964 return value;
965 }
966
967 /*
968 * Sysfs show/store common to all sony_nc_values
969 */
970 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
971 char *buffer)
972 {
973 int value, ret = 0;
974 struct sony_nc_value *item =
975 container_of(attr, struct sony_nc_value, devattr);
976
977 if (!*item->acpiget)
978 return -EIO;
979
980 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
981 &value);
982 if (ret < 0)
983 return -EIO;
984
985 if (item->validate)
986 value = item->validate(SNC_VALIDATE_OUT, value);
987
988 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
989 }
990
991 static ssize_t sony_nc_sysfs_store(struct device *dev,
992 struct device_attribute *attr,
993 const char *buffer, size_t count)
994 {
995 int value;
996 int ret = 0;
997 struct sony_nc_value *item =
998 container_of(attr, struct sony_nc_value, devattr);
999
1000 if (!item->acpiset)
1001 return -EIO;
1002
1003 if (count > 31)
1004 return -EINVAL;
1005
1006 if (kstrtoint(buffer, 10, &value))
1007 return -EINVAL;
1008
1009 if (item->validate)
1010 value = item->validate(SNC_VALIDATE_IN, value);
1011
1012 if (value < 0)
1013 return value;
1014
1015 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1016 &value, NULL);
1017 if (ret < 0)
1018 return -EIO;
1019
1020 item->value = value;
1021 item->valid = 1;
1022 return count;
1023 }
1024
1025
1026 /*
1027 * Backlight device
1028 */
1029 struct sony_backlight_props {
1030 struct backlight_device *dev;
1031 int handle;
1032 int cmd_base;
1033 u8 offset;
1034 u8 maxlvl;
1035 };
1036 static struct sony_backlight_props sony_bl_props;
1037
1038 static int sony_backlight_update_status(struct backlight_device *bd)
1039 {
1040 int arg = bd->props.brightness + 1;
1041 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1042 }
1043
1044 static int sony_backlight_get_brightness(struct backlight_device *bd)
1045 {
1046 int value;
1047
1048 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1049 return 0;
1050 /* brightness levels are 1-based, while backlight ones are 0-based */
1051 return value - 1;
1052 }
1053
1054 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1055 {
1056 int result;
1057 struct sony_backlight_props *sdev =
1058 (struct sony_backlight_props *)bl_get_data(bd);
1059
1060 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1061
1062 return (result & 0xff) - sdev->offset;
1063 }
1064
1065 static int sony_nc_update_status_ng(struct backlight_device *bd)
1066 {
1067 int value, result;
1068 struct sony_backlight_props *sdev =
1069 (struct sony_backlight_props *)bl_get_data(bd);
1070
1071 value = bd->props.brightness + sdev->offset;
1072 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1073 &result))
1074 return -EIO;
1075
1076 return value;
1077 }
1078
1079 static const struct backlight_ops sony_backlight_ops = {
1080 .options = BL_CORE_SUSPENDRESUME,
1081 .update_status = sony_backlight_update_status,
1082 .get_brightness = sony_backlight_get_brightness,
1083 };
1084 static const struct backlight_ops sony_backlight_ng_ops = {
1085 .options = BL_CORE_SUSPENDRESUME,
1086 .update_status = sony_nc_update_status_ng,
1087 .get_brightness = sony_nc_get_brightness_ng,
1088 };
1089
1090 /*
1091 * New SNC-only Vaios event mapping to driver known keys
1092 */
1093 struct sony_nc_event {
1094 u8 data;
1095 u8 event;
1096 };
1097
1098 static struct sony_nc_event sony_100_events[] = {
1099 { 0x90, SONYPI_EVENT_PKEY_P1 },
1100 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1101 { 0x91, SONYPI_EVENT_PKEY_P2 },
1102 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1103 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1104 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1106 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1108 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1110 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1111 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1112 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1113 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1114 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1115 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1116 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1117 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1118 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1119 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1120 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1121 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1122 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1123 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1124 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1125 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1126 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1127 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1128 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1129 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1130 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1132 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1134 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1136 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1138 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 { 0xa8, SONYPI_EVENT_FNKEY_1 },
1140 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 { 0, 0 },
1142 };
1143
1144 static struct sony_nc_event sony_127_events[] = {
1145 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1146 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1147 { 0x82, SONYPI_EVENT_PKEY_P1 },
1148 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1149 { 0x83, SONYPI_EVENT_PKEY_P2 },
1150 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1151 { 0x84, SONYPI_EVENT_PKEY_P3 },
1152 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1153 { 0x85, SONYPI_EVENT_PKEY_P4 },
1154 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1155 { 0x86, SONYPI_EVENT_PKEY_P5 },
1156 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1157 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1158 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1159 { 0, 0 },
1160 };
1161
1162 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1163 {
1164 int ret = -EINVAL;
1165 unsigned int result = 0;
1166 struct sony_nc_event *key_event;
1167
1168 if (sony_call_snc_handle(handle, 0x200, &result)) {
1169 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1170 event);
1171 return -EINVAL;
1172 }
1173
1174 result &= 0xFF;
1175
1176 if (handle == 0x0100)
1177 key_event = sony_100_events;
1178 else
1179 key_event = sony_127_events;
1180
1181 for (; key_event->data; key_event++) {
1182 if (key_event->data == result) {
1183 ret = key_event->event;
1184 break;
1185 }
1186 }
1187
1188 if (!key_event->data)
1189 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1190 event, result, handle);
1191
1192 return ret;
1193 }
1194
1195 /*
1196 * ACPI callbacks
1197 */
1198 enum event_types {
1199 HOTKEY = 1,
1200 KILLSWITCH,
1201 GFX_SWITCH
1202 };
1203 static void sony_nc_notify(struct acpi_device *device, u32 event)
1204 {
1205 u32 real_ev = event;
1206 u8 ev_type = 0;
1207 int ret;
1208
1209 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1210
1211 if (event >= 0x90) {
1212 unsigned int result = 0;
1213 unsigned int arg = 0;
1214 unsigned int handle = 0;
1215 unsigned int offset = event - 0x90;
1216
1217 if (offset >= ARRAY_SIZE(handles->cap)) {
1218 pr_err("Event 0x%x outside of capabilities list\n",
1219 event);
1220 return;
1221 }
1222 handle = handles->cap[offset];
1223
1224 /* list of handles known for generating events */
1225 switch (handle) {
1226 /* hotkey event */
1227 case 0x0100:
1228 case 0x0127:
1229 ev_type = HOTKEY;
1230 ret = sony_nc_hotkeys_decode(event, handle);
1231
1232 if (ret > 0) {
1233 sony_laptop_report_input_event(ret);
1234 real_ev = ret;
1235 }
1236
1237 break;
1238
1239 /* wlan switch */
1240 case 0x0124:
1241 case 0x0135:
1242 /* events on this handle are reported when the
1243 * switch changes position or for battery
1244 * events. We'll notify both of them but only
1245 * update the rfkill device status when the
1246 * switch is moved.
1247 */
1248 ev_type = KILLSWITCH;
1249 sony_call_snc_handle(handle, 0x0100, &result);
1250 real_ev = result & 0x03;
1251
1252 /* hw switch event */
1253 if (real_ev == 1)
1254 sony_nc_rfkill_update();
1255
1256 break;
1257
1258 case 0x0128:
1259 case 0x0146:
1260 /* Hybrid GFX switching */
1261 sony_call_snc_handle(handle, 0x0000, &result);
1262 dprintk("GFX switch event received (reason: %s)\n",
1263 (result == 0x1) ? "switch change" :
1264 (result == 0x2) ? "output switch" :
1265 (result == 0x3) ? "output switch" :
1266 "");
1267
1268 ev_type = GFX_SWITCH;
1269 real_ev = __sony_nc_gfx_switch_status_get();
1270 break;
1271
1272 case 0x015B:
1273 /* Hybrid GFX switching SVS151290S */
1274 ev_type = GFX_SWITCH;
1275 real_ev = __sony_nc_gfx_switch_status_get();
1276 break;
1277 default:
1278 dprintk("Unknown event 0x%x for handle 0x%x\n",
1279 event, handle);
1280 break;
1281 }
1282
1283 /* clear the event (and the event reason when present) */
1284 arg = 1 << offset;
1285 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1286
1287 } else {
1288 /* old style event */
1289 ev_type = HOTKEY;
1290 sony_laptop_report_input_event(real_ev);
1291 }
1292 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1293 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1294 }
1295
1296 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1297 void *context, void **return_value)
1298 {
1299 struct acpi_device_info *info;
1300
1301 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1302 pr_warn("method: name: %4.4s, args %X\n",
1303 (char *)&info->name, info->param_count);
1304
1305 kfree(info);
1306 }
1307
1308 return AE_OK;
1309 }
1310
1311 /*
1312 * ACPI device
1313 */
1314 static void sony_nc_function_setup(struct acpi_device *device,
1315 struct platform_device *pf_device)
1316 {
1317 unsigned int i, result, bitmask, arg;
1318
1319 if (!handles)
1320 return;
1321
1322 /* setup found handles here */
1323 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1324 unsigned int handle = handles->cap[i];
1325
1326 if (!handle)
1327 continue;
1328
1329 dprintk("setting up handle 0x%.4x\n", handle);
1330
1331 switch (handle) {
1332 case 0x0100:
1333 case 0x0101:
1334 case 0x0127:
1335 /* setup hotkeys */
1336 sony_call_snc_handle(handle, 0, &result);
1337 break;
1338 case 0x0102:
1339 /* setup hotkeys */
1340 sony_call_snc_handle(handle, 0x100, &result);
1341 break;
1342 case 0x0105:
1343 case 0x0148:
1344 /* touchpad enable/disable */
1345 result = sony_nc_touchpad_setup(pf_device, handle);
1346 if (result)
1347 pr_err("couldn't set up touchpad control function (%d)\n",
1348 result);
1349 break;
1350 case 0x0115:
1351 case 0x0136:
1352 case 0x013f:
1353 result = sony_nc_battery_care_setup(pf_device, handle);
1354 if (result)
1355 pr_err("couldn't set up battery care function (%d)\n",
1356 result);
1357 break;
1358 case 0x0119:
1359 case 0x015D:
1360 result = sony_nc_lid_resume_setup(pf_device, handle);
1361 if (result)
1362 pr_err("couldn't set up lid resume function (%d)\n",
1363 result);
1364 break;
1365 case 0x0122:
1366 result = sony_nc_thermal_setup(pf_device);
1367 if (result)
1368 pr_err("couldn't set up thermal profile function (%d)\n",
1369 result);
1370 break;
1371 case 0x0128:
1372 case 0x0146:
1373 case 0x015B:
1374 result = sony_nc_gfx_switch_setup(pf_device, handle);
1375 if (result)
1376 pr_err("couldn't set up GFX Switch status (%d)\n",
1377 result);
1378 break;
1379 case 0x0131:
1380 result = sony_nc_highspeed_charging_setup(pf_device);
1381 if (result)
1382 pr_err("couldn't set up high speed charging function (%d)\n",
1383 result);
1384 break;
1385 case 0x0124:
1386 case 0x0135:
1387 result = sony_nc_rfkill_setup(device, handle);
1388 if (result)
1389 pr_err("couldn't set up rfkill support (%d)\n",
1390 result);
1391 break;
1392 case 0x0137:
1393 case 0x0143:
1394 case 0x014b:
1395 case 0x014c:
1396 case 0x0163:
1397 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1398 if (result)
1399 pr_err("couldn't set up keyboard backlight function (%d)\n",
1400 result);
1401 break;
1402 case 0x0121:
1403 result = sony_nc_lowbatt_setup(pf_device);
1404 if (result)
1405 pr_err("couldn't set up low battery function (%d)\n",
1406 result);
1407 break;
1408 case 0x0149:
1409 result = sony_nc_fanspeed_setup(pf_device);
1410 if (result)
1411 pr_err("couldn't set up fan speed function (%d)\n",
1412 result);
1413 break;
1414 case 0x0155:
1415 result = sony_nc_usb_charge_setup(pf_device);
1416 if (result)
1417 pr_err("couldn't set up USB charge support (%d)\n",
1418 result);
1419 break;
1420 case 0x011D:
1421 result = sony_nc_panelid_setup(pf_device);
1422 if (result)
1423 pr_err("couldn't set up panel ID function (%d)\n",
1424 result);
1425 break;
1426 case 0x0168:
1427 result = sony_nc_smart_conn_setup(pf_device);
1428 if (result)
1429 pr_err("couldn't set up smart connect support (%d)\n",
1430 result);
1431 break;
1432 default:
1433 continue;
1434 }
1435 }
1436
1437 /* Enable all events */
1438 arg = 0x10;
1439 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1440 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1441 &result);
1442 }
1443
1444 static void sony_nc_function_cleanup(struct platform_device *pd)
1445 {
1446 unsigned int i, result, bitmask, handle;
1447
1448 /* get enabled events and disable them */
1449 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1450 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1451
1452 /* cleanup handles here */
1453 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1454
1455 handle = handles->cap[i];
1456
1457 if (!handle)
1458 continue;
1459
1460 switch (handle) {
1461 case 0x0105:
1462 case 0x0148:
1463 sony_nc_touchpad_cleanup(pd);
1464 break;
1465 case 0x0115:
1466 case 0x0136:
1467 case 0x013f:
1468 sony_nc_battery_care_cleanup(pd);
1469 break;
1470 case 0x0119:
1471 case 0x015D:
1472 sony_nc_lid_resume_cleanup(pd);
1473 break;
1474 case 0x0122:
1475 sony_nc_thermal_cleanup(pd);
1476 break;
1477 case 0x0128:
1478 case 0x0146:
1479 case 0x015B:
1480 sony_nc_gfx_switch_cleanup(pd);
1481 break;
1482 case 0x0131:
1483 sony_nc_highspeed_charging_cleanup(pd);
1484 break;
1485 case 0x0124:
1486 case 0x0135:
1487 sony_nc_rfkill_cleanup();
1488 break;
1489 case 0x0137:
1490 case 0x0143:
1491 case 0x014b:
1492 case 0x014c:
1493 case 0x0163:
1494 sony_nc_kbd_backlight_cleanup(pd, handle);
1495 break;
1496 case 0x0121:
1497 sony_nc_lowbatt_cleanup(pd);
1498 break;
1499 case 0x0149:
1500 sony_nc_fanspeed_cleanup(pd);
1501 break;
1502 case 0x0155:
1503 sony_nc_usb_charge_cleanup(pd);
1504 break;
1505 case 0x011D:
1506 sony_nc_panelid_cleanup(pd);
1507 break;
1508 case 0x0168:
1509 sony_nc_smart_conn_cleanup(pd);
1510 break;
1511 default:
1512 continue;
1513 }
1514 }
1515
1516 /* finally cleanup the handles list */
1517 sony_nc_handles_cleanup(pd);
1518 }
1519
1520 #ifdef CONFIG_PM_SLEEP
1521 static void sony_nc_function_resume(void)
1522 {
1523 unsigned int i, result, bitmask, arg;
1524
1525 dprintk("Resuming SNC device\n");
1526
1527 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1528 unsigned int handle = handles->cap[i];
1529
1530 if (!handle)
1531 continue;
1532
1533 switch (handle) {
1534 case 0x0100:
1535 case 0x0101:
1536 case 0x0127:
1537 /* re-enable hotkeys */
1538 sony_call_snc_handle(handle, 0, &result);
1539 break;
1540 case 0x0102:
1541 /* re-enable hotkeys */
1542 sony_call_snc_handle(handle, 0x100, &result);
1543 break;
1544 case 0x0122:
1545 sony_nc_thermal_resume();
1546 break;
1547 case 0x0124:
1548 case 0x0135:
1549 sony_nc_rfkill_update();
1550 break;
1551 default:
1552 continue;
1553 }
1554 }
1555
1556 /* Enable all events */
1557 arg = 0x10;
1558 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1559 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1560 &result);
1561 }
1562
1563 static int sony_nc_resume(struct device *dev)
1564 {
1565 struct sony_nc_value *item;
1566
1567 for (item = sony_nc_values; item->name; item++) {
1568 int ret;
1569
1570 if (!item->valid)
1571 continue;
1572 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1573 &item->value, NULL);
1574 if (ret < 0) {
1575 pr_err("%s: %d\n", __func__, ret);
1576 break;
1577 }
1578 }
1579
1580 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1581 int arg = 1;
1582 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1583 dprintk("ECON Method failed\n");
1584 }
1585
1586 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1587 sony_nc_function_resume();
1588
1589 return 0;
1590 }
1591 #endif
1592
1593 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1594
1595 static void sony_nc_rfkill_cleanup(void)
1596 {
1597 int i;
1598
1599 for (i = 0; i < N_SONY_RFKILL; i++) {
1600 if (sony_rfkill_devices[i]) {
1601 rfkill_unregister(sony_rfkill_devices[i]);
1602 rfkill_destroy(sony_rfkill_devices[i]);
1603 }
1604 }
1605 }
1606
1607 static int sony_nc_rfkill_set(void *data, bool blocked)
1608 {
1609 int result;
1610 int argument = sony_rfkill_address[(long) data] + 0x100;
1611
1612 if (!blocked)
1613 argument |= 0x070000;
1614
1615 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1616 }
1617
1618 static const struct rfkill_ops sony_rfkill_ops = {
1619 .set_block = sony_nc_rfkill_set,
1620 };
1621
1622 static int sony_nc_setup_rfkill(struct acpi_device *device,
1623 enum sony_nc_rfkill nc_type)
1624 {
1625 int err = 0;
1626 struct rfkill *rfk;
1627 enum rfkill_type type;
1628 const char *name;
1629 int result;
1630 bool hwblock, swblock;
1631
1632 switch (nc_type) {
1633 case SONY_WIFI:
1634 type = RFKILL_TYPE_WLAN;
1635 name = "sony-wifi";
1636 break;
1637 case SONY_BLUETOOTH:
1638 type = RFKILL_TYPE_BLUETOOTH;
1639 name = "sony-bluetooth";
1640 break;
1641 case SONY_WWAN:
1642 type = RFKILL_TYPE_WWAN;
1643 name = "sony-wwan";
1644 break;
1645 case SONY_WIMAX:
1646 type = RFKILL_TYPE_WIMAX;
1647 name = "sony-wimax";
1648 break;
1649 default:
1650 return -EINVAL;
1651 }
1652
1653 rfk = rfkill_alloc(name, &device->dev, type,
1654 &sony_rfkill_ops, (void *)nc_type);
1655 if (!rfk)
1656 return -ENOMEM;
1657
1658 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1659 rfkill_destroy(rfk);
1660 return -1;
1661 }
1662 hwblock = !(result & 0x1);
1663
1664 if (sony_call_snc_handle(sony_rfkill_handle,
1665 sony_rfkill_address[nc_type],
1666 &result) < 0) {
1667 rfkill_destroy(rfk);
1668 return -1;
1669 }
1670 swblock = !(result & 0x2);
1671
1672 rfkill_init_sw_state(rfk, swblock);
1673 rfkill_set_hw_state(rfk, hwblock);
1674
1675 err = rfkill_register(rfk);
1676 if (err) {
1677 rfkill_destroy(rfk);
1678 return err;
1679 }
1680 sony_rfkill_devices[nc_type] = rfk;
1681 return err;
1682 }
1683
1684 static void sony_nc_rfkill_update(void)
1685 {
1686 enum sony_nc_rfkill i;
1687 int result;
1688 bool hwblock;
1689
1690 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1691 hwblock = !(result & 0x1);
1692
1693 for (i = 0; i < N_SONY_RFKILL; i++) {
1694 int argument = sony_rfkill_address[i];
1695
1696 if (!sony_rfkill_devices[i])
1697 continue;
1698
1699 if (hwblock) {
1700 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1701 /* we already know we're blocked */
1702 }
1703 continue;
1704 }
1705
1706 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1707 rfkill_set_states(sony_rfkill_devices[i],
1708 !(result & 0x2), false);
1709 }
1710 }
1711
1712 static int sony_nc_rfkill_setup(struct acpi_device *device,
1713 unsigned int handle)
1714 {
1715 u64 offset;
1716 int i;
1717 unsigned char buffer[32] = { 0 };
1718
1719 offset = sony_find_snc_handle(handle);
1720 sony_rfkill_handle = handle;
1721
1722 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1723 32);
1724 if (i < 0)
1725 return i;
1726
1727 /* The buffer is filled with magic numbers describing the devices
1728 * available, 0xff terminates the enumeration.
1729 * Known codes:
1730 * 0x00 WLAN
1731 * 0x10 BLUETOOTH
1732 * 0x20 WWAN GPRS-EDGE
1733 * 0x21 WWAN HSDPA
1734 * 0x22 WWAN EV-DO
1735 * 0x23 WWAN GPS
1736 * 0x25 Gobi WWAN no GPS
1737 * 0x26 Gobi WWAN + GPS
1738 * 0x28 Gobi WWAN no GPS
1739 * 0x29 Gobi WWAN + GPS
1740 * 0x30 WIMAX
1741 * 0x50 Gobi WWAN no GPS
1742 * 0x51 Gobi WWAN + GPS
1743 * 0x70 no SIM card slot
1744 * 0x71 SIM card slot
1745 */
1746 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1747
1748 if (buffer[i] == 0xff)
1749 break;
1750
1751 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1752
1753 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1754 sony_nc_setup_rfkill(device, SONY_WIFI);
1755
1756 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1757 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1758
1759 if (((0xf0 & buffer[i]) == 0x20 ||
1760 (0xf0 & buffer[i]) == 0x50) &&
1761 !sony_rfkill_devices[SONY_WWAN])
1762 sony_nc_setup_rfkill(device, SONY_WWAN);
1763
1764 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1765 sony_nc_setup_rfkill(device, SONY_WIMAX);
1766 }
1767 return 0;
1768 }
1769
1770 /* Keyboard backlight feature */
1771 struct kbd_backlight {
1772 unsigned int handle;
1773 unsigned int base;
1774 unsigned int mode;
1775 unsigned int timeout;
1776 struct device_attribute mode_attr;
1777 struct device_attribute timeout_attr;
1778 };
1779
1780 static struct kbd_backlight *kbdbl_ctl;
1781
1782 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1783 {
1784 int result;
1785
1786 if (value > 2)
1787 return -EINVAL;
1788
1789 if (sony_call_snc_handle(kbdbl_ctl->handle,
1790 (value << 0x10) | (kbdbl_ctl->base), &result))
1791 return -EIO;
1792
1793 /* Try to turn the light on/off immediately */
1794 if (value != 1)
1795 sony_call_snc_handle(kbdbl_ctl->handle,
1796 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1797 &result);
1798
1799 kbdbl_ctl->mode = value;
1800
1801 return 0;
1802 }
1803
1804 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1805 struct device_attribute *attr,
1806 const char *buffer, size_t count)
1807 {
1808 int ret = 0;
1809 unsigned long value;
1810
1811 if (count > 31)
1812 return -EINVAL;
1813
1814 if (kstrtoul(buffer, 10, &value))
1815 return -EINVAL;
1816
1817 ret = __sony_nc_kbd_backlight_mode_set(value);
1818 if (ret < 0)
1819 return ret;
1820
1821 return count;
1822 }
1823
1824 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1825 struct device_attribute *attr, char *buffer)
1826 {
1827 ssize_t count = 0;
1828 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1829 return count;
1830 }
1831
1832 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1833 {
1834 int result;
1835
1836 if (value > 3)
1837 return -EINVAL;
1838
1839 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1840 (kbdbl_ctl->base + 0x200), &result))
1841 return -EIO;
1842
1843 kbdbl_ctl->timeout = value;
1844
1845 return 0;
1846 }
1847
1848 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1849 struct device_attribute *attr,
1850 const char *buffer, size_t count)
1851 {
1852 int ret = 0;
1853 unsigned long value;
1854
1855 if (count > 31)
1856 return -EINVAL;
1857
1858 if (kstrtoul(buffer, 10, &value))
1859 return -EINVAL;
1860
1861 ret = __sony_nc_kbd_backlight_timeout_set(value);
1862 if (ret < 0)
1863 return ret;
1864
1865 return count;
1866 }
1867
1868 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1869 struct device_attribute *attr, char *buffer)
1870 {
1871 ssize_t count = 0;
1872 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1873 return count;
1874 }
1875
1876 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1877 unsigned int handle)
1878 {
1879 int result;
1880 int ret = 0;
1881
1882 if (kbdbl_ctl) {
1883 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1884 handle, kbdbl_ctl->handle);
1885 return -EBUSY;
1886 }
1887
1888 /* verify the kbd backlight presence, these handles are not used for
1889 * keyboard backlight only
1890 */
1891 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1892 &result);
1893 if (ret)
1894 return ret;
1895
1896 if ((handle == 0x0137 && !(result & 0x02)) ||
1897 !(result & 0x01)) {
1898 dprintk("no backlight keyboard found\n");
1899 return 0;
1900 }
1901
1902 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1903 if (!kbdbl_ctl)
1904 return -ENOMEM;
1905
1906 kbdbl_ctl->mode = kbd_backlight;
1907 kbdbl_ctl->timeout = kbd_backlight_timeout;
1908 kbdbl_ctl->handle = handle;
1909 if (handle == 0x0137)
1910 kbdbl_ctl->base = 0x0C00;
1911 else
1912 kbdbl_ctl->base = 0x4000;
1913
1914 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1915 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1916 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1917 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1918 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1919
1920 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1921 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1922 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1923 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1924 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1925
1926 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1927 if (ret)
1928 goto outkzalloc;
1929
1930 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1931 if (ret)
1932 goto outmode;
1933
1934 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1935 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1936
1937 return 0;
1938
1939 outmode:
1940 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1941 outkzalloc:
1942 kfree(kbdbl_ctl);
1943 kbdbl_ctl = NULL;
1944 return ret;
1945 }
1946
1947 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1948 unsigned int handle)
1949 {
1950 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1951 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1952 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1953 kfree(kbdbl_ctl);
1954 kbdbl_ctl = NULL;
1955 }
1956 }
1957
1958 struct battery_care_control {
1959 struct device_attribute attrs[2];
1960 unsigned int handle;
1961 };
1962 static struct battery_care_control *bcare_ctl;
1963
1964 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1965 struct device_attribute *attr,
1966 const char *buffer, size_t count)
1967 {
1968 unsigned int result, cmd;
1969 unsigned long value;
1970
1971 if (count > 31)
1972 return -EINVAL;
1973
1974 if (kstrtoul(buffer, 10, &value))
1975 return -EINVAL;
1976
1977 /* limit values (2 bits):
1978 * 00 - none
1979 * 01 - 80%
1980 * 10 - 50%
1981 * 11 - 100%
1982 *
1983 * bit 0: 0 disable BCL, 1 enable BCL
1984 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1985 * bits 2,3: reserved
1986 * bits 4,5: store the limit into the EC
1987 * bits 6,7: store the limit into the battery
1988 */
1989 cmd = 0;
1990
1991 if (value > 0) {
1992 if (value <= 50)
1993 cmd = 0x20;
1994
1995 else if (value <= 80)
1996 cmd = 0x10;
1997
1998 else if (value <= 100)
1999 cmd = 0x30;
2000
2001 else
2002 return -EINVAL;
2003
2004 /*
2005 * handle 0x0115 should allow storing on battery too;
2006 * handle 0x0136 same as 0x0115 + health status;
2007 * handle 0x013f, same as 0x0136 but no storing on the battery
2008 */
2009 if (bcare_ctl->handle != 0x013f)
2010 cmd = cmd | (cmd << 2);
2011
2012 cmd = (cmd | 0x1) << 0x10;
2013 }
2014
2015 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2016 return -EIO;
2017
2018 return count;
2019 }
2020
2021 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2022 struct device_attribute *attr, char *buffer)
2023 {
2024 unsigned int result, status;
2025
2026 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2027 return -EIO;
2028
2029 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2030 switch (status) {
2031 case 1:
2032 status = 80;
2033 break;
2034 case 2:
2035 status = 50;
2036 break;
2037 case 3:
2038 status = 100;
2039 break;
2040 default:
2041 status = 0;
2042 break;
2043 }
2044
2045 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2046 }
2047
2048 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2049 struct device_attribute *attr, char *buffer)
2050 {
2051 ssize_t count = 0;
2052 unsigned int health;
2053
2054 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2055 return -EIO;
2056
2057 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2058
2059 return count;
2060 }
2061
2062 static int sony_nc_battery_care_setup(struct platform_device *pd,
2063 unsigned int handle)
2064 {
2065 int ret = 0;
2066
2067 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2068 if (!bcare_ctl)
2069 return -ENOMEM;
2070
2071 bcare_ctl->handle = handle;
2072
2073 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2074 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2075 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2076 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2077 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2078
2079 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2080 if (ret)
2081 goto outkzalloc;
2082
2083 /* 0x0115 is for models with no health reporting capability */
2084 if (handle == 0x0115)
2085 return 0;
2086
2087 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2088 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2089 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2090 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2091
2092 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2093 if (ret)
2094 goto outlimiter;
2095
2096 return 0;
2097
2098 outlimiter:
2099 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2100
2101 outkzalloc:
2102 kfree(bcare_ctl);
2103 bcare_ctl = NULL;
2104
2105 return ret;
2106 }
2107
2108 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2109 {
2110 if (bcare_ctl) {
2111 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2112 if (bcare_ctl->handle != 0x0115)
2113 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2114
2115 kfree(bcare_ctl);
2116 bcare_ctl = NULL;
2117 }
2118 }
2119
2120 struct snc_thermal_ctrl {
2121 unsigned int mode;
2122 unsigned int profiles;
2123 struct device_attribute mode_attr;
2124 struct device_attribute profiles_attr;
2125 };
2126 static struct snc_thermal_ctrl *th_handle;
2127
2128 #define THM_PROFILE_MAX 3
2129 static const char * const snc_thermal_profiles[] = {
2130 "balanced",
2131 "silent",
2132 "performance"
2133 };
2134
2135 static int sony_nc_thermal_mode_set(unsigned short mode)
2136 {
2137 unsigned int result;
2138
2139 /* the thermal profile seems to be a two bit bitmask:
2140 * lsb -> silent
2141 * msb -> performance
2142 * no bit set is the normal operation and is always valid
2143 * Some vaio models only have "balanced" and "performance"
2144 */
2145 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2146 return -EINVAL;
2147
2148 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2149 return -EIO;
2150
2151 th_handle->mode = mode;
2152
2153 return 0;
2154 }
2155
2156 static int sony_nc_thermal_mode_get(void)
2157 {
2158 unsigned int result;
2159
2160 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2161 return -EIO;
2162
2163 return result & 0xff;
2164 }
2165
2166 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2167 struct device_attribute *attr, char *buffer)
2168 {
2169 short cnt;
2170 size_t idx = 0;
2171
2172 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2173 if (!cnt || (th_handle->profiles & cnt))
2174 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2175 snc_thermal_profiles[cnt]);
2176 }
2177 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2178
2179 return idx;
2180 }
2181
2182 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2183 struct device_attribute *attr,
2184 const char *buffer, size_t count)
2185 {
2186 unsigned short cmd;
2187 size_t len = count;
2188
2189 if (count == 0)
2190 return -EINVAL;
2191
2192 /* skip the newline if present */
2193 if (buffer[len - 1] == '\n')
2194 len--;
2195
2196 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2197 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2198 break;
2199
2200 if (sony_nc_thermal_mode_set(cmd))
2201 return -EIO;
2202
2203 return count;
2204 }
2205
2206 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2207 struct device_attribute *attr, char *buffer)
2208 {
2209 ssize_t count = 0;
2210 int mode = sony_nc_thermal_mode_get();
2211
2212 if (mode < 0)
2213 return mode;
2214
2215 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2216
2217 return count;
2218 }
2219
2220 static int sony_nc_thermal_setup(struct platform_device *pd)
2221 {
2222 int ret = 0;
2223 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2224 if (!th_handle)
2225 return -ENOMEM;
2226
2227 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2228 if (ret) {
2229 pr_warn("couldn't to read the thermal profiles\n");
2230 goto outkzalloc;
2231 }
2232
2233 ret = sony_nc_thermal_mode_get();
2234 if (ret < 0) {
2235 pr_warn("couldn't to read the current thermal profile");
2236 goto outkzalloc;
2237 }
2238 th_handle->mode = ret;
2239
2240 sysfs_attr_init(&th_handle->profiles_attr.attr);
2241 th_handle->profiles_attr.attr.name = "thermal_profiles";
2242 th_handle->profiles_attr.attr.mode = S_IRUGO;
2243 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2244
2245 sysfs_attr_init(&th_handle->mode_attr.attr);
2246 th_handle->mode_attr.attr.name = "thermal_control";
2247 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2248 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2249 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2250
2251 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2252 if (ret)
2253 goto outkzalloc;
2254
2255 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2256 if (ret)
2257 goto outprofiles;
2258
2259 return 0;
2260
2261 outprofiles:
2262 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2263 outkzalloc:
2264 kfree(th_handle);
2265 th_handle = NULL;
2266 return ret;
2267 }
2268
2269 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2270 {
2271 if (th_handle) {
2272 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2273 device_remove_file(&pd->dev, &th_handle->mode_attr);
2274 kfree(th_handle);
2275 th_handle = NULL;
2276 }
2277 }
2278
2279 #ifdef CONFIG_PM_SLEEP
2280 static void sony_nc_thermal_resume(void)
2281 {
2282 unsigned int status = sony_nc_thermal_mode_get();
2283
2284 if (status != th_handle->mode)
2285 sony_nc_thermal_mode_set(th_handle->mode);
2286 }
2287 #endif
2288
2289 /* resume on LID open */
2290 #define LID_RESUME_S5 0
2291 #define LID_RESUME_S4 1
2292 #define LID_RESUME_S3 2
2293 #define LID_RESUME_MAX 3
2294 struct snc_lid_resume_control {
2295 struct device_attribute attrs[LID_RESUME_MAX];
2296 unsigned int status;
2297 int handle;
2298 };
2299 static struct snc_lid_resume_control *lid_ctl;
2300
2301 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2302 struct device_attribute *attr,
2303 const char *buffer, size_t count)
2304 {
2305 unsigned int result;
2306 unsigned long value;
2307 unsigned int pos = LID_RESUME_S5;
2308 if (count > 31)
2309 return -EINVAL;
2310
2311 if (kstrtoul(buffer, 10, &value) || value > 1)
2312 return -EINVAL;
2313
2314 /* the value we have to write to SNC is a bitmask:
2315 * +--------------+
2316 * | S3 | S4 | S5 |
2317 * +--------------+
2318 * 2 1 0
2319 */
2320 while (pos < LID_RESUME_MAX) {
2321 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2322 break;
2323 pos++;
2324 }
2325 if (pos == LID_RESUME_MAX)
2326 return -EINVAL;
2327
2328 if (value)
2329 value = lid_ctl->status | (1 << pos);
2330 else
2331 value = lid_ctl->status & ~(1 << pos);
2332
2333 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2334 &result))
2335 return -EIO;
2336
2337 lid_ctl->status = value;
2338
2339 return count;
2340 }
2341
2342 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2343 struct device_attribute *attr,
2344 char *buffer)
2345 {
2346 unsigned int pos = LID_RESUME_S5;
2347
2348 while (pos < LID_RESUME_MAX) {
2349 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2350 return snprintf(buffer, PAGE_SIZE, "%d\n",
2351 (lid_ctl->status >> pos) & 0x01);
2352 pos++;
2353 }
2354 return -EINVAL;
2355 }
2356
2357 static int sony_nc_lid_resume_setup(struct platform_device *pd,
2358 unsigned int handle)
2359 {
2360 unsigned int result;
2361 int i;
2362
2363 if (sony_call_snc_handle(handle, 0x0000, &result))
2364 return -EIO;
2365
2366 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2367 if (!lid_ctl)
2368 return -ENOMEM;
2369
2370 lid_ctl->status = result & 0x7;
2371 lid_ctl->handle = handle;
2372
2373 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2374 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2375 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2376 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2377 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2378
2379 if (handle == 0x0119) {
2380 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2381 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2382 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2383 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2384 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2385
2386 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2387 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2388 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2389 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2390 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2391 }
2392 for (i = 0; i < LID_RESUME_MAX &&
2393 lid_ctl->attrs[i].attr.name; i++) {
2394 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2395 if (result)
2396 goto liderror;
2397 }
2398
2399 return 0;
2400
2401 liderror:
2402 for (i--; i >= 0; i--)
2403 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2404
2405 kfree(lid_ctl);
2406 lid_ctl = NULL;
2407
2408 return result;
2409 }
2410
2411 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2412 {
2413 int i;
2414
2415 if (lid_ctl) {
2416 for (i = 0; i < LID_RESUME_MAX; i++) {
2417 if (!lid_ctl->attrs[i].attr.name)
2418 break;
2419
2420 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2421 }
2422
2423 kfree(lid_ctl);
2424 lid_ctl = NULL;
2425 }
2426 }
2427
2428 /* GFX Switch position */
2429 enum gfx_switch {
2430 SPEED,
2431 STAMINA,
2432 AUTO
2433 };
2434 struct snc_gfx_switch_control {
2435 struct device_attribute attr;
2436 unsigned int handle;
2437 };
2438 static struct snc_gfx_switch_control *gfxs_ctl;
2439
2440 /* returns 0 for speed, 1 for stamina */
2441 static int __sony_nc_gfx_switch_status_get(void)
2442 {
2443 unsigned int result;
2444
2445 if (sony_call_snc_handle(gfxs_ctl->handle,
2446 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2447 &result))
2448 return -EIO;
2449
2450 switch (gfxs_ctl->handle) {
2451 case 0x0146:
2452 /* 1: discrete GFX (speed)
2453 * 0: integrated GFX (stamina)
2454 */
2455 return result & 0x1 ? SPEED : STAMINA;
2456 break;
2457 case 0x015B:
2458 /* 0: discrete GFX (speed)
2459 * 1: integrated GFX (stamina)
2460 */
2461 return result & 0x1 ? STAMINA : SPEED;
2462 break;
2463 case 0x0128:
2464 /* it's a more elaborated bitmask, for now:
2465 * 2: integrated GFX (stamina)
2466 * 0: discrete GFX (speed)
2467 */
2468 dprintk("GFX Status: 0x%x\n", result);
2469 return result & 0x80 ? AUTO :
2470 result & 0x02 ? STAMINA : SPEED;
2471 break;
2472 }
2473 return -EINVAL;
2474 }
2475
2476 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2477 struct device_attribute *attr,
2478 char *buffer)
2479 {
2480 int pos = __sony_nc_gfx_switch_status_get();
2481
2482 if (pos < 0)
2483 return pos;
2484
2485 return snprintf(buffer, PAGE_SIZE, "%s\n",
2486 pos == SPEED ? "speed" :
2487 pos == STAMINA ? "stamina" :
2488 pos == AUTO ? "auto" : "unknown");
2489 }
2490
2491 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2492 unsigned int handle)
2493 {
2494 unsigned int result;
2495
2496 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2497 if (!gfxs_ctl)
2498 return -ENOMEM;
2499
2500 gfxs_ctl->handle = handle;
2501
2502 sysfs_attr_init(&gfxs_ctl->attr.attr);
2503 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2504 gfxs_ctl->attr.attr.mode = S_IRUGO;
2505 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2506
2507 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2508 if (result)
2509 goto gfxerror;
2510
2511 return 0;
2512
2513 gfxerror:
2514 kfree(gfxs_ctl);
2515 gfxs_ctl = NULL;
2516
2517 return result;
2518 }
2519
2520 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2521 {
2522 if (gfxs_ctl) {
2523 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2524
2525 kfree(gfxs_ctl);
2526 gfxs_ctl = NULL;
2527 }
2528 }
2529
2530 /* High speed charging function */
2531 static struct device_attribute *hsc_handle;
2532
2533 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2534 struct device_attribute *attr,
2535 const char *buffer, size_t count)
2536 {
2537 unsigned int result;
2538 unsigned long value;
2539
2540 if (count > 31)
2541 return -EINVAL;
2542
2543 if (kstrtoul(buffer, 10, &value) || value > 1)
2544 return -EINVAL;
2545
2546 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2547 return -EIO;
2548
2549 return count;
2550 }
2551
2552 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2553 struct device_attribute *attr, char *buffer)
2554 {
2555 unsigned int result;
2556
2557 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2558 return -EIO;
2559
2560 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2561 }
2562
2563 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2564 {
2565 unsigned int result;
2566
2567 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2568 /* some models advertise the handle but have no implementation
2569 * for it
2570 */
2571 pr_info("No High Speed Charging capability found\n");
2572 return 0;
2573 }
2574
2575 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2576 if (!hsc_handle)
2577 return -ENOMEM;
2578
2579 sysfs_attr_init(&hsc_handle->attr);
2580 hsc_handle->attr.name = "battery_highspeed_charging";
2581 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2582 hsc_handle->show = sony_nc_highspeed_charging_show;
2583 hsc_handle->store = sony_nc_highspeed_charging_store;
2584
2585 result = device_create_file(&pd->dev, hsc_handle);
2586 if (result) {
2587 kfree(hsc_handle);
2588 hsc_handle = NULL;
2589 return result;
2590 }
2591
2592 return 0;
2593 }
2594
2595 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2596 {
2597 if (hsc_handle) {
2598 device_remove_file(&pd->dev, hsc_handle);
2599 kfree(hsc_handle);
2600 hsc_handle = NULL;
2601 }
2602 }
2603
2604 /* low battery function */
2605 static struct device_attribute *lowbatt_handle;
2606
2607 static ssize_t sony_nc_lowbatt_store(struct device *dev,
2608 struct device_attribute *attr,
2609 const char *buffer, size_t count)
2610 {
2611 unsigned int result;
2612 unsigned long value;
2613
2614 if (count > 31)
2615 return -EINVAL;
2616
2617 if (kstrtoul(buffer, 10, &value) || value > 1)
2618 return -EINVAL;
2619
2620 if (sony_call_snc_handle(0x0121, value << 8, &result))
2621 return -EIO;
2622
2623 return count;
2624 }
2625
2626 static ssize_t sony_nc_lowbatt_show(struct device *dev,
2627 struct device_attribute *attr, char *buffer)
2628 {
2629 unsigned int result;
2630
2631 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2632 return -EIO;
2633
2634 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2635 }
2636
2637 static int sony_nc_lowbatt_setup(struct platform_device *pd)
2638 {
2639 unsigned int result;
2640
2641 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2642 if (!lowbatt_handle)
2643 return -ENOMEM;
2644
2645 sysfs_attr_init(&lowbatt_handle->attr);
2646 lowbatt_handle->attr.name = "lowbatt_hibernate";
2647 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2648 lowbatt_handle->show = sony_nc_lowbatt_show;
2649 lowbatt_handle->store = sony_nc_lowbatt_store;
2650
2651 result = device_create_file(&pd->dev, lowbatt_handle);
2652 if (result) {
2653 kfree(lowbatt_handle);
2654 lowbatt_handle = NULL;
2655 return result;
2656 }
2657
2658 return 0;
2659 }
2660
2661 static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2662 {
2663 if (lowbatt_handle) {
2664 device_remove_file(&pd->dev, lowbatt_handle);
2665 kfree(lowbatt_handle);
2666 lowbatt_handle = NULL;
2667 }
2668 }
2669
2670 /* fan speed function */
2671 static struct device_attribute *fan_handle, *hsf_handle;
2672
2673 static ssize_t sony_nc_hsfan_store(struct device *dev,
2674 struct device_attribute *attr,
2675 const char *buffer, size_t count)
2676 {
2677 unsigned int result;
2678 unsigned long value;
2679
2680 if (count > 31)
2681 return -EINVAL;
2682
2683 if (kstrtoul(buffer, 10, &value) || value > 1)
2684 return -EINVAL;
2685
2686 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2687 return -EIO;
2688
2689 return count;
2690 }
2691
2692 static ssize_t sony_nc_hsfan_show(struct device *dev,
2693 struct device_attribute *attr, char *buffer)
2694 {
2695 unsigned int result;
2696
2697 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2698 return -EIO;
2699
2700 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2701 }
2702
2703 static ssize_t sony_nc_fanspeed_show(struct device *dev,
2704 struct device_attribute *attr, char *buffer)
2705 {
2706 unsigned int result;
2707
2708 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2709 return -EIO;
2710
2711 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2712 }
2713
2714 static int sony_nc_fanspeed_setup(struct platform_device *pd)
2715 {
2716 unsigned int result;
2717
2718 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2719 if (!fan_handle)
2720 return -ENOMEM;
2721
2722 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2723 if (!hsf_handle) {
2724 result = -ENOMEM;
2725 goto out_hsf_handle_alloc;
2726 }
2727
2728 sysfs_attr_init(&fan_handle->attr);
2729 fan_handle->attr.name = "fanspeed";
2730 fan_handle->attr.mode = S_IRUGO;
2731 fan_handle->show = sony_nc_fanspeed_show;
2732 fan_handle->store = NULL;
2733
2734 sysfs_attr_init(&hsf_handle->attr);
2735 hsf_handle->attr.name = "fan_forced";
2736 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2737 hsf_handle->show = sony_nc_hsfan_show;
2738 hsf_handle->store = sony_nc_hsfan_store;
2739
2740 result = device_create_file(&pd->dev, fan_handle);
2741 if (result)
2742 goto out_fan_handle;
2743
2744 result = device_create_file(&pd->dev, hsf_handle);
2745 if (result)
2746 goto out_hsf_handle;
2747
2748 return 0;
2749
2750 out_hsf_handle:
2751 device_remove_file(&pd->dev, fan_handle);
2752
2753 out_fan_handle:
2754 kfree(hsf_handle);
2755 hsf_handle = NULL;
2756
2757 out_hsf_handle_alloc:
2758 kfree(fan_handle);
2759 fan_handle = NULL;
2760 return result;
2761 }
2762
2763 static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2764 {
2765 if (fan_handle) {
2766 device_remove_file(&pd->dev, fan_handle);
2767 kfree(fan_handle);
2768 fan_handle = NULL;
2769 }
2770 if (hsf_handle) {
2771 device_remove_file(&pd->dev, hsf_handle);
2772 kfree(hsf_handle);
2773 hsf_handle = NULL;
2774 }
2775 }
2776
2777 /* USB charge function */
2778 static struct device_attribute *uc_handle;
2779
2780 static ssize_t sony_nc_usb_charge_store(struct device *dev,
2781 struct device_attribute *attr,
2782 const char *buffer, size_t count)
2783 {
2784 unsigned int result;
2785 unsigned long value;
2786
2787 if (count > 31)
2788 return -EINVAL;
2789
2790 if (kstrtoul(buffer, 10, &value) || value > 1)
2791 return -EINVAL;
2792
2793 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2794 return -EIO;
2795
2796 return count;
2797 }
2798
2799 static ssize_t sony_nc_usb_charge_show(struct device *dev,
2800 struct device_attribute *attr, char *buffer)
2801 {
2802 unsigned int result;
2803
2804 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2805 return -EIO;
2806
2807 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2808 }
2809
2810 static int sony_nc_usb_charge_setup(struct platform_device *pd)
2811 {
2812 unsigned int result;
2813
2814 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2815 /* some models advertise the handle but have no implementation
2816 * for it
2817 */
2818 pr_info("No USB Charge capability found\n");
2819 return 0;
2820 }
2821
2822 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2823 if (!uc_handle)
2824 return -ENOMEM;
2825
2826 sysfs_attr_init(&uc_handle->attr);
2827 uc_handle->attr.name = "usb_charge";
2828 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2829 uc_handle->show = sony_nc_usb_charge_show;
2830 uc_handle->store = sony_nc_usb_charge_store;
2831
2832 result = device_create_file(&pd->dev, uc_handle);
2833 if (result) {
2834 kfree(uc_handle);
2835 uc_handle = NULL;
2836 return result;
2837 }
2838
2839 return 0;
2840 }
2841
2842 static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2843 {
2844 if (uc_handle) {
2845 device_remove_file(&pd->dev, uc_handle);
2846 kfree(uc_handle);
2847 uc_handle = NULL;
2848 }
2849 }
2850
2851 /* Panel ID function */
2852 static struct device_attribute *panel_handle;
2853
2854 static ssize_t sony_nc_panelid_show(struct device *dev,
2855 struct device_attribute *attr, char *buffer)
2856 {
2857 unsigned int result;
2858
2859 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2860 return -EIO;
2861
2862 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2863 }
2864
2865 static int sony_nc_panelid_setup(struct platform_device *pd)
2866 {
2867 unsigned int result;
2868
2869 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2870 if (!panel_handle)
2871 return -ENOMEM;
2872
2873 sysfs_attr_init(&panel_handle->attr);
2874 panel_handle->attr.name = "panel_id";
2875 panel_handle->attr.mode = S_IRUGO;
2876 panel_handle->show = sony_nc_panelid_show;
2877 panel_handle->store = NULL;
2878
2879 result = device_create_file(&pd->dev, panel_handle);
2880 if (result) {
2881 kfree(panel_handle);
2882 panel_handle = NULL;
2883 return result;
2884 }
2885
2886 return 0;
2887 }
2888
2889 static void sony_nc_panelid_cleanup(struct platform_device *pd)
2890 {
2891 if (panel_handle) {
2892 device_remove_file(&pd->dev, panel_handle);
2893 kfree(panel_handle);
2894 panel_handle = NULL;
2895 }
2896 }
2897
2898 /* smart connect function */
2899 static struct device_attribute *sc_handle;
2900
2901 static ssize_t sony_nc_smart_conn_store(struct device *dev,
2902 struct device_attribute *attr,
2903 const char *buffer, size_t count)
2904 {
2905 unsigned int result;
2906 unsigned long value;
2907
2908 if (count > 31)
2909 return -EINVAL;
2910
2911 if (kstrtoul(buffer, 10, &value) || value > 1)
2912 return -EINVAL;
2913
2914 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2915 return -EIO;
2916
2917 return count;
2918 }
2919
2920 static int sony_nc_smart_conn_setup(struct platform_device *pd)
2921 {
2922 unsigned int result;
2923
2924 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2925 if (!sc_handle)
2926 return -ENOMEM;
2927
2928 sysfs_attr_init(&sc_handle->attr);
2929 sc_handle->attr.name = "smart_connect";
2930 sc_handle->attr.mode = S_IWUSR;
2931 sc_handle->show = NULL;
2932 sc_handle->store = sony_nc_smart_conn_store;
2933
2934 result = device_create_file(&pd->dev, sc_handle);
2935 if (result) {
2936 kfree(sc_handle);
2937 sc_handle = NULL;
2938 return result;
2939 }
2940
2941 return 0;
2942 }
2943
2944 static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2945 {
2946 if (sc_handle) {
2947 device_remove_file(&pd->dev, sc_handle);
2948 kfree(sc_handle);
2949 sc_handle = NULL;
2950 }
2951 }
2952
2953 /* Touchpad enable/disable */
2954 struct touchpad_control {
2955 struct device_attribute attr;
2956 int handle;
2957 };
2958 static struct touchpad_control *tp_ctl;
2959
2960 static ssize_t sony_nc_touchpad_store(struct device *dev,
2961 struct device_attribute *attr, const char *buffer, size_t count)
2962 {
2963 unsigned int result;
2964 unsigned long value;
2965
2966 if (count > 31)
2967 return -EINVAL;
2968
2969 if (kstrtoul(buffer, 10, &value) || value > 1)
2970 return -EINVAL;
2971
2972 /* sysfs: 0 disabled, 1 enabled
2973 * EC: 0 enabled, 1 disabled
2974 */
2975 if (sony_call_snc_handle(tp_ctl->handle,
2976 (!value << 0x10) | 0x100, &result))
2977 return -EIO;
2978
2979 return count;
2980 }
2981
2982 static ssize_t sony_nc_touchpad_show(struct device *dev,
2983 struct device_attribute *attr, char *buffer)
2984 {
2985 unsigned int result;
2986
2987 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2988 return -EINVAL;
2989
2990 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2991 }
2992
2993 static int sony_nc_touchpad_setup(struct platform_device *pd,
2994 unsigned int handle)
2995 {
2996 int ret = 0;
2997
2998 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2999 if (!tp_ctl)
3000 return -ENOMEM;
3001
3002 tp_ctl->handle = handle;
3003
3004 sysfs_attr_init(&tp_ctl->attr.attr);
3005 tp_ctl->attr.attr.name = "touchpad";
3006 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3007 tp_ctl->attr.show = sony_nc_touchpad_show;
3008 tp_ctl->attr.store = sony_nc_touchpad_store;
3009
3010 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3011 if (ret) {
3012 kfree(tp_ctl);
3013 tp_ctl = NULL;
3014 }
3015
3016 return ret;
3017 }
3018
3019 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3020 {
3021 if (tp_ctl) {
3022 device_remove_file(&pd->dev, &tp_ctl->attr);
3023 kfree(tp_ctl);
3024 tp_ctl = NULL;
3025 }
3026 }
3027
3028 static void sony_nc_backlight_ng_read_limits(int handle,
3029 struct sony_backlight_props *props)
3030 {
3031 u64 offset;
3032 int i;
3033 int lvl_table_len = 0;
3034 u8 min = 0xff, max = 0x00;
3035 unsigned char buffer[32] = { 0 };
3036
3037 props->handle = handle;
3038 props->offset = 0;
3039 props->maxlvl = 0xff;
3040
3041 offset = sony_find_snc_handle(handle);
3042
3043 /* try to read the boundaries from ACPI tables, if we fail the above
3044 * defaults should be reasonable
3045 */
3046 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3047 32);
3048 if (i < 0)
3049 return;
3050
3051 switch (handle) {
3052 case 0x012f:
3053 case 0x0137:
3054 lvl_table_len = 9;
3055 break;
3056 case 0x143:
3057 case 0x14b:
3058 case 0x14c:
3059 lvl_table_len = 16;
3060 break;
3061 }
3062
3063 /* the buffer lists brightness levels available, brightness levels are
3064 * from position 0 to 8 in the array, other values are used by ALS
3065 * control.
3066 */
3067 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3068
3069 dprintk("Brightness level: %d\n", buffer[i]);
3070
3071 if (!buffer[i])
3072 break;
3073
3074 if (buffer[i] > max)
3075 max = buffer[i];
3076 if (buffer[i] < min)
3077 min = buffer[i];
3078 }
3079 props->offset = min;
3080 props->maxlvl = max;
3081 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3082 props->maxlvl);
3083 }
3084
3085 static void sony_nc_backlight_setup(void)
3086 {
3087 int max_brightness = 0;
3088 const struct backlight_ops *ops = NULL;
3089 struct backlight_properties props;
3090
3091 if (sony_find_snc_handle(0x12f) >= 0) {
3092 ops = &sony_backlight_ng_ops;
3093 sony_bl_props.cmd_base = 0x0100;
3094 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3095 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3096
3097 } else if (sony_find_snc_handle(0x137) >= 0) {
3098 ops = &sony_backlight_ng_ops;
3099 sony_bl_props.cmd_base = 0x0100;
3100 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3101 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3102
3103 } else if (sony_find_snc_handle(0x143) >= 0) {
3104 ops = &sony_backlight_ng_ops;
3105 sony_bl_props.cmd_base = 0x3000;
3106 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3107 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3108
3109 } else if (sony_find_snc_handle(0x14b) >= 0) {
3110 ops = &sony_backlight_ng_ops;
3111 sony_bl_props.cmd_base = 0x3000;
3112 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3113 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3114
3115 } else if (sony_find_snc_handle(0x14c) >= 0) {
3116 ops = &sony_backlight_ng_ops;
3117 sony_bl_props.cmd_base = 0x3000;
3118 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3119 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3120
3121 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3122 ops = &sony_backlight_ops;
3123 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3124
3125 } else
3126 return;
3127
3128 memset(&props, 0, sizeof(struct backlight_properties));
3129 props.type = BACKLIGHT_PLATFORM;
3130 props.max_brightness = max_brightness;
3131 sony_bl_props.dev = backlight_device_register("sony", NULL,
3132 &sony_bl_props,
3133 ops, &props);
3134
3135 if (IS_ERR(sony_bl_props.dev)) {
3136 pr_warn("unable to register backlight device\n");
3137 sony_bl_props.dev = NULL;
3138 } else
3139 sony_bl_props.dev->props.brightness =
3140 ops->get_brightness(sony_bl_props.dev);
3141 }
3142
3143 static void sony_nc_backlight_cleanup(void)
3144 {
3145 backlight_device_unregister(sony_bl_props.dev);
3146 }
3147
3148 static int sony_nc_add(struct acpi_device *device)
3149 {
3150 acpi_status status;
3151 int result = 0;
3152 struct sony_nc_value *item;
3153
3154 sony_nc_acpi_device = device;
3155 strcpy(acpi_device_class(device), "sony/hotkey");
3156
3157 sony_nc_acpi_handle = device->handle;
3158
3159 /* read device status */
3160 result = acpi_bus_get_status(device);
3161 /* bail IFF the above call was successful and the device is not present */
3162 if (!result && !device->status.present) {
3163 dprintk("Device not present\n");
3164 result = -ENODEV;
3165 goto outwalk;
3166 }
3167
3168 result = sony_pf_add();
3169 if (result)
3170 goto outpresent;
3171
3172 if (debug) {
3173 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3174 sony_nc_acpi_handle, 1, sony_walk_callback,
3175 NULL, NULL, NULL);
3176 if (ACPI_FAILURE(status)) {
3177 pr_warn("unable to walk acpi resources\n");
3178 result = -ENODEV;
3179 goto outpresent;
3180 }
3181 }
3182
3183 result = sony_laptop_setup_input(device);
3184 if (result) {
3185 pr_err("Unable to create input devices\n");
3186 goto outplatform;
3187 }
3188
3189 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3190 int arg = 1;
3191 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3192 dprintk("ECON Method failed\n");
3193 }
3194
3195 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3196 dprintk("Doing SNC setup\n");
3197 /* retrieve the available handles */
3198 result = sony_nc_handles_setup(sony_pf_device);
3199 if (!result)
3200 sony_nc_function_setup(device, sony_pf_device);
3201 }
3202
3203 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3204 sony_nc_backlight_setup();
3205
3206 /* create sony_pf sysfs attributes related to the SNC device */
3207 for (item = sony_nc_values; item->name; ++item) {
3208
3209 if (!debug && item->debug)
3210 continue;
3211
3212 /* find the available acpiget as described in the DSDT */
3213 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3214 if (acpi_has_method(sony_nc_acpi_handle,
3215 *item->acpiget)) {
3216 dprintk("Found %s getter: %s\n",
3217 item->name, *item->acpiget);
3218 item->devattr.attr.mode |= S_IRUGO;
3219 break;
3220 }
3221 }
3222
3223 /* find the available acpiset as described in the DSDT */
3224 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3225 if (acpi_has_method(sony_nc_acpi_handle,
3226 *item->acpiset)) {
3227 dprintk("Found %s setter: %s\n",
3228 item->name, *item->acpiset);
3229 item->devattr.attr.mode |= S_IWUSR;
3230 break;
3231 }
3232 }
3233
3234 if (item->devattr.attr.mode != 0) {
3235 result =
3236 device_create_file(&sony_pf_device->dev,
3237 &item->devattr);
3238 if (result)
3239 goto out_sysfs;
3240 }
3241 }
3242
3243 pr_info("SNC setup done.\n");
3244 return 0;
3245
3246 out_sysfs:
3247 for (item = sony_nc_values; item->name; ++item) {
3248 device_remove_file(&sony_pf_device->dev, &item->devattr);
3249 }
3250 sony_nc_backlight_cleanup();
3251 sony_nc_function_cleanup(sony_pf_device);
3252 sony_nc_handles_cleanup(sony_pf_device);
3253
3254 outplatform:
3255 sony_laptop_remove_input();
3256
3257 outpresent:
3258 sony_pf_remove();
3259
3260 outwalk:
3261 sony_nc_rfkill_cleanup();
3262 return result;
3263 }
3264
3265 static int sony_nc_remove(struct acpi_device *device)
3266 {
3267 struct sony_nc_value *item;
3268
3269 sony_nc_backlight_cleanup();
3270
3271 sony_nc_acpi_device = NULL;
3272
3273 for (item = sony_nc_values; item->name; ++item) {
3274 device_remove_file(&sony_pf_device->dev, &item->devattr);
3275 }
3276
3277 sony_nc_function_cleanup(sony_pf_device);
3278 sony_nc_handles_cleanup(sony_pf_device);
3279 sony_pf_remove();
3280 sony_laptop_remove_input();
3281 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3282
3283 return 0;
3284 }
3285
3286 static const struct acpi_device_id sony_device_ids[] = {
3287 {SONY_NC_HID, 0},
3288 {SONY_PIC_HID, 0},
3289 {"", 0},
3290 };
3291 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3292
3293 static const struct acpi_device_id sony_nc_device_ids[] = {
3294 {SONY_NC_HID, 0},
3295 {"", 0},
3296 };
3297
3298 static struct acpi_driver sony_nc_driver = {
3299 .name = SONY_NC_DRIVER_NAME,
3300 .class = SONY_NC_CLASS,
3301 .ids = sony_nc_device_ids,
3302 .owner = THIS_MODULE,
3303 .ops = {
3304 .add = sony_nc_add,
3305 .remove = sony_nc_remove,
3306 .notify = sony_nc_notify,
3307 },
3308 .drv.pm = &sony_nc_pm,
3309 };
3310
3311 /*********** SPIC (SNY6001) Device ***********/
3312
3313 #define SONYPI_DEVICE_TYPE1 0x00000001
3314 #define SONYPI_DEVICE_TYPE2 0x00000002
3315 #define SONYPI_DEVICE_TYPE3 0x00000004
3316
3317 #define SONYPI_TYPE1_OFFSET 0x04
3318 #define SONYPI_TYPE2_OFFSET 0x12
3319 #define SONYPI_TYPE3_OFFSET 0x12
3320
3321 struct sony_pic_ioport {
3322 struct acpi_resource_io io1;
3323 struct acpi_resource_io io2;
3324 struct list_head list;
3325 };
3326
3327 struct sony_pic_irq {
3328 struct acpi_resource_irq irq;
3329 struct list_head list;
3330 };
3331
3332 struct sonypi_eventtypes {
3333 u8 data;
3334 unsigned long mask;
3335 struct sonypi_event *events;
3336 };
3337
3338 struct sony_pic_dev {
3339 struct acpi_device *acpi_dev;
3340 struct sony_pic_irq *cur_irq;
3341 struct sony_pic_ioport *cur_ioport;
3342 struct list_head interrupts;
3343 struct list_head ioports;
3344 struct mutex lock;
3345 struct sonypi_eventtypes *event_types;
3346 int (*handle_irq)(const u8, const u8);
3347 int model;
3348 u16 evport_offset;
3349 u8 camera_power;
3350 u8 bluetooth_power;
3351 u8 wwan_power;
3352 };
3353
3354 static struct sony_pic_dev spic_dev = {
3355 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3356 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3357 };
3358
3359 static int spic_drv_registered;
3360
3361 /* Event masks */
3362 #define SONYPI_JOGGER_MASK 0x00000001
3363 #define SONYPI_CAPTURE_MASK 0x00000002
3364 #define SONYPI_FNKEY_MASK 0x00000004
3365 #define SONYPI_BLUETOOTH_MASK 0x00000008
3366 #define SONYPI_PKEY_MASK 0x00000010
3367 #define SONYPI_BACK_MASK 0x00000020
3368 #define SONYPI_HELP_MASK 0x00000040
3369 #define SONYPI_LID_MASK 0x00000080
3370 #define SONYPI_ZOOM_MASK 0x00000100
3371 #define SONYPI_THUMBPHRASE_MASK 0x00000200
3372 #define SONYPI_MEYE_MASK 0x00000400
3373 #define SONYPI_MEMORYSTICK_MASK 0x00000800
3374 #define SONYPI_BATTERY_MASK 0x00001000
3375 #define SONYPI_WIRELESS_MASK 0x00002000
3376
3377 struct sonypi_event {
3378 u8 data;
3379 u8 event;
3380 };
3381
3382 /* The set of possible button release events */
3383 static struct sonypi_event sonypi_releaseev[] = {
3384 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3385 { 0, 0 }
3386 };
3387
3388 /* The set of possible jogger events */
3389 static struct sonypi_event sonypi_joggerev[] = {
3390 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3391 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3392 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3393 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3394 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3395 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3396 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3397 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3398 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3399 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3400 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3401 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3402 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3403 { 0, 0 }
3404 };
3405
3406 /* The set of possible capture button events */
3407 static struct sonypi_event sonypi_captureev[] = {
3408 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3409 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3410 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3411 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3412 { 0, 0 }
3413 };
3414
3415 /* The set of possible fnkeys events */
3416 static struct sonypi_event sonypi_fnkeyev[] = {
3417 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3418 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3419 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3420 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3421 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3422 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3423 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3424 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3425 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3426 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3427 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3428 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3429 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3430 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3431 { 0x21, SONYPI_EVENT_FNKEY_1 },
3432 { 0x22, SONYPI_EVENT_FNKEY_2 },
3433 { 0x31, SONYPI_EVENT_FNKEY_D },
3434 { 0x32, SONYPI_EVENT_FNKEY_E },
3435 { 0x33, SONYPI_EVENT_FNKEY_F },
3436 { 0x34, SONYPI_EVENT_FNKEY_S },
3437 { 0x35, SONYPI_EVENT_FNKEY_B },
3438 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3439 { 0, 0 }
3440 };
3441
3442 /* The set of possible program key events */
3443 static struct sonypi_event sonypi_pkeyev[] = {
3444 { 0x01, SONYPI_EVENT_PKEY_P1 },
3445 { 0x02, SONYPI_EVENT_PKEY_P2 },
3446 { 0x04, SONYPI_EVENT_PKEY_P3 },
3447 { 0x20, SONYPI_EVENT_PKEY_P1 },
3448 { 0, 0 }
3449 };
3450
3451 /* The set of possible bluetooth events */
3452 static struct sonypi_event sonypi_blueev[] = {
3453 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3454 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3455 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3456 { 0, 0 }
3457 };
3458
3459 /* The set of possible wireless events */
3460 static struct sonypi_event sonypi_wlessev[] = {
3461 { 0x59, SONYPI_EVENT_IGNORE },
3462 { 0x5a, SONYPI_EVENT_IGNORE },
3463 { 0, 0 }
3464 };
3465
3466 /* The set of possible back button events */
3467 static struct sonypi_event sonypi_backev[] = {
3468 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3469 { 0, 0 }
3470 };
3471
3472 /* The set of possible help button events */
3473 static struct sonypi_event sonypi_helpev[] = {
3474 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3475 { 0, 0 }
3476 };
3477
3478
3479 /* The set of possible lid events */
3480 static struct sonypi_event sonypi_lidev[] = {
3481 { 0x51, SONYPI_EVENT_LID_CLOSED },
3482 { 0x50, SONYPI_EVENT_LID_OPENED },
3483 { 0, 0 }
3484 };
3485
3486 /* The set of possible zoom events */
3487 static struct sonypi_event sonypi_zoomev[] = {
3488 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3489 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3490 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3491 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3492 { 0, 0 }
3493 };
3494
3495 /* The set of possible thumbphrase events */
3496 static struct sonypi_event sonypi_thumbphraseev[] = {
3497 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3498 { 0, 0 }
3499 };
3500
3501 /* The set of possible motioneye camera events */
3502 static struct sonypi_event sonypi_meyeev[] = {
3503 { 0x00, SONYPI_EVENT_MEYE_FACE },
3504 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3505 { 0, 0 }
3506 };
3507
3508 /* The set of possible memorystick events */
3509 static struct sonypi_event sonypi_memorystickev[] = {
3510 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3511 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3512 { 0, 0 }
3513 };
3514
3515 /* The set of possible battery events */
3516 static struct sonypi_event sonypi_batteryev[] = {
3517 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3518 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3519 { 0, 0 }
3520 };
3521
3522 /* The set of possible volume events */
3523 static struct sonypi_event sonypi_volumeev[] = {
3524 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3525 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3526 { 0, 0 }
3527 };
3528
3529 /* The set of possible brightness events */
3530 static struct sonypi_event sonypi_brightnessev[] = {
3531 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3532 { 0, 0 }
3533 };
3534
3535 static struct sonypi_eventtypes type1_events[] = {
3536 { 0, 0xffffffff, sonypi_releaseev },
3537 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3538 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3539 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3540 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3541 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3542 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3543 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3544 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3545 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3546 { 0 },
3547 };
3548 static struct sonypi_eventtypes type2_events[] = {
3549 { 0, 0xffffffff, sonypi_releaseev },
3550 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3551 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3552 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3553 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3554 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3555 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3556 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3557 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3558 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3559 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3560 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3561 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3562 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3563 { 0 },
3564 };
3565 static struct sonypi_eventtypes type3_events[] = {
3566 { 0, 0xffffffff, sonypi_releaseev },
3567 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3568 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3569 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3570 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3571 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3572 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3573 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3574 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3575 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3576 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3577 { 0 },
3578 };
3579
3580 /* low level spic calls */
3581 #define ITERATIONS_LONG 10000
3582 #define ITERATIONS_SHORT 10
3583 #define wait_on_command(command, iterations) { \
3584 unsigned int n = iterations; \
3585 while (--n && (command)) \
3586 udelay(1); \
3587 if (!n) \
3588 dprintk("command failed at %s : %s (line %d)\n", \
3589 __FILE__, __func__, __LINE__); \
3590 }
3591
3592 static u8 sony_pic_call1(u8 dev)
3593 {
3594 u8 v1, v2;
3595
3596 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3597 ITERATIONS_LONG);
3598 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3599 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3600 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3601 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3602 return v2;
3603 }
3604
3605 static u8 sony_pic_call2(u8 dev, u8 fn)
3606 {
3607 u8 v1;
3608
3609 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3610 ITERATIONS_LONG);
3611 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3612 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3613 ITERATIONS_LONG);
3614 outb(fn, spic_dev.cur_ioport->io1.minimum);
3615 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3616 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3617 return v1;
3618 }
3619
3620 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3621 {
3622 u8 v1;
3623
3624 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3625 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3626 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3627 outb(fn, spic_dev.cur_ioport->io1.minimum);
3628 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3629 outb(v, spic_dev.cur_ioport->io1.minimum);
3630 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3631 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3632 dev, fn, v, v1);
3633 return v1;
3634 }
3635
3636 /*
3637 * minidrivers for SPIC models
3638 */
3639 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3640 {
3641 /*
3642 * 0x31 could mean we have to take some extra action and wait for
3643 * the next irq for some Type3 models, it will generate a new
3644 * irq and we can read new data from the device:
3645 * - 0x5c and 0x5f requires 0xA0
3646 * - 0x61 requires 0xB3
3647 */
3648 if (data_mask == 0x31) {
3649 if (ev == 0x5c || ev == 0x5f)
3650 sony_pic_call1(0xA0);
3651 else if (ev == 0x61)
3652 sony_pic_call1(0xB3);
3653 return 0;
3654 }
3655 return 1;
3656 }
3657
3658 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3659 {
3660 struct pci_dev *pcidev;
3661
3662 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3663 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3664 if (pcidev) {
3665 dev->model = SONYPI_DEVICE_TYPE1;
3666 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3667 dev->event_types = type1_events;
3668 goto out;
3669 }
3670
3671 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3672 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3673 if (pcidev) {
3674 dev->model = SONYPI_DEVICE_TYPE2;
3675 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3676 dev->event_types = type2_events;
3677 goto out;
3678 }
3679
3680 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3681 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3682 if (pcidev) {
3683 dev->model = SONYPI_DEVICE_TYPE3;
3684 dev->handle_irq = type3_handle_irq;
3685 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3686 dev->event_types = type3_events;
3687 goto out;
3688 }
3689
3690 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3691 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3692 if (pcidev) {
3693 dev->model = SONYPI_DEVICE_TYPE3;
3694 dev->handle_irq = type3_handle_irq;
3695 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3696 dev->event_types = type3_events;
3697 goto out;
3698 }
3699
3700 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3701 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3702 if (pcidev) {
3703 dev->model = SONYPI_DEVICE_TYPE3;
3704 dev->handle_irq = type3_handle_irq;
3705 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3706 dev->event_types = type3_events;
3707 goto out;
3708 }
3709
3710 /* default */
3711 dev->model = SONYPI_DEVICE_TYPE2;
3712 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3713 dev->event_types = type2_events;
3714
3715 out:
3716 pci_dev_put(pcidev);
3717
3718 pr_info("detected Type%d model\n",
3719 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3720 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3721 }
3722
3723 /* camera tests and poweron/poweroff */
3724 #define SONYPI_CAMERA_PICTURE 5
3725 #define SONYPI_CAMERA_CONTROL 0x10
3726
3727 #define SONYPI_CAMERA_BRIGHTNESS 0
3728 #define SONYPI_CAMERA_CONTRAST 1
3729 #define SONYPI_CAMERA_HUE 2
3730 #define SONYPI_CAMERA_COLOR 3
3731 #define SONYPI_CAMERA_SHARPNESS 4
3732
3733 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3734 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3735 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3736 #define SONYPI_CAMERA_MUTE_MASK 0x40
3737
3738 /* the rest don't need a loop until not 0xff */
3739 #define SONYPI_CAMERA_AGC 6
3740 #define SONYPI_CAMERA_AGC_MASK 0x30
3741 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3742
3743 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3744 #define SONYPI_CAMERA_CONTROL 0x10
3745
3746 #define SONYPI_CAMERA_STATUS 7
3747 #define SONYPI_CAMERA_STATUS_READY 0x2
3748 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3749
3750 #define SONYPI_DIRECTION_BACKWARDS 0x4
3751
3752 #define SONYPI_CAMERA_REVISION 8
3753 #define SONYPI_CAMERA_ROMVERSION 9
3754
3755 static int __sony_pic_camera_ready(void)
3756 {
3757 u8 v;
3758
3759 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3760 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3761 }
3762
3763 static int __sony_pic_camera_off(void)
3764 {
3765 if (!camera) {
3766 pr_warn("camera control not enabled\n");
3767 return -ENODEV;
3768 }
3769
3770 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3771 SONYPI_CAMERA_MUTE_MASK),
3772 ITERATIONS_SHORT);
3773
3774 if (spic_dev.camera_power) {
3775 sony_pic_call2(0x91, 0);
3776 spic_dev.camera_power = 0;
3777 }
3778 return 0;
3779 }
3780
3781 static int __sony_pic_camera_on(void)
3782 {
3783 int i, j, x;
3784
3785 if (!camera) {
3786 pr_warn("camera control not enabled\n");
3787 return -ENODEV;
3788 }
3789
3790 if (spic_dev.camera_power)
3791 return 0;
3792
3793 for (j = 5; j > 0; j--) {
3794
3795 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3796 msleep(10);
3797 sony_pic_call1(0x93);
3798
3799 for (i = 400; i > 0; i--) {
3800 if (__sony_pic_camera_ready())
3801 break;
3802 msleep(10);
3803 }
3804 if (i)
3805 break;
3806 }
3807
3808 if (j == 0) {
3809 pr_warn("failed to power on camera\n");
3810 return -ENODEV;
3811 }
3812
3813 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3814 0x5a),
3815 ITERATIONS_SHORT);
3816
3817 spic_dev.camera_power = 1;
3818 return 0;
3819 }
3820
3821 /* External camera command (exported to the motion eye v4l driver) */
3822 int sony_pic_camera_command(int command, u8 value)
3823 {
3824 if (!camera)
3825 return -EIO;
3826
3827 mutex_lock(&spic_dev.lock);
3828
3829 switch (command) {
3830 case SONY_PIC_COMMAND_SETCAMERA:
3831 if (value)
3832 __sony_pic_camera_on();
3833 else
3834 __sony_pic_camera_off();
3835 break;
3836 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3837 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3838 ITERATIONS_SHORT);
3839 break;
3840 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3841 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3842 ITERATIONS_SHORT);
3843 break;
3844 case SONY_PIC_COMMAND_SETCAMERAHUE:
3845 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3846 ITERATIONS_SHORT);
3847 break;
3848 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3849 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3850 ITERATIONS_SHORT);
3851 break;
3852 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3853 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3854 ITERATIONS_SHORT);
3855 break;
3856 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3857 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3858 ITERATIONS_SHORT);
3859 break;
3860 case SONY_PIC_COMMAND_SETCAMERAAGC:
3861 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3862 ITERATIONS_SHORT);
3863 break;
3864 default:
3865 pr_err("sony_pic_camera_command invalid: %d\n", command);
3866 break;
3867 }
3868 mutex_unlock(&spic_dev.lock);
3869 return 0;
3870 }
3871 EXPORT_SYMBOL(sony_pic_camera_command);
3872
3873 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3874 static void __sony_pic_set_wwanpower(u8 state)
3875 {
3876 state = !!state;
3877 if (spic_dev.wwan_power == state)
3878 return;
3879 sony_pic_call2(0xB0, state);
3880 sony_pic_call1(0x82);
3881 spic_dev.wwan_power = state;
3882 }
3883
3884 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3885 struct device_attribute *attr,
3886 const char *buffer, size_t count)
3887 {
3888 unsigned long value;
3889 if (count > 31)
3890 return -EINVAL;
3891
3892 if (kstrtoul(buffer, 10, &value))
3893 return -EINVAL;
3894
3895 mutex_lock(&spic_dev.lock);
3896 __sony_pic_set_wwanpower(value);
3897 mutex_unlock(&spic_dev.lock);
3898
3899 return count;
3900 }
3901
3902 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3903 struct device_attribute *attr, char *buffer)
3904 {
3905 ssize_t count;
3906 mutex_lock(&spic_dev.lock);
3907 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3908 mutex_unlock(&spic_dev.lock);
3909 return count;
3910 }
3911
3912 /* bluetooth subsystem power state */
3913 static void __sony_pic_set_bluetoothpower(u8 state)
3914 {
3915 state = !!state;
3916 if (spic_dev.bluetooth_power == state)
3917 return;
3918 sony_pic_call2(0x96, state);
3919 sony_pic_call1(0x82);
3920 spic_dev.bluetooth_power = state;
3921 }
3922
3923 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3924 struct device_attribute *attr,
3925 const char *buffer, size_t count)
3926 {
3927 unsigned long value;
3928 if (count > 31)
3929 return -EINVAL;
3930
3931 if (kstrtoul(buffer, 10, &value))
3932 return -EINVAL;
3933
3934 mutex_lock(&spic_dev.lock);
3935 __sony_pic_set_bluetoothpower(value);
3936 mutex_unlock(&spic_dev.lock);
3937
3938 return count;
3939 }
3940
3941 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3942 struct device_attribute *attr, char *buffer)
3943 {
3944 ssize_t count = 0;
3945 mutex_lock(&spic_dev.lock);
3946 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3947 mutex_unlock(&spic_dev.lock);
3948 return count;
3949 }
3950
3951 /* fan speed */
3952 /* FAN0 information (reverse engineered from ACPI tables) */
3953 #define SONY_PIC_FAN0_STATUS 0x93
3954 static int sony_pic_set_fanspeed(unsigned long value)
3955 {
3956 return ec_write(SONY_PIC_FAN0_STATUS, value);
3957 }
3958
3959 static int sony_pic_get_fanspeed(u8 *value)
3960 {
3961 return ec_read(SONY_PIC_FAN0_STATUS, value);
3962 }
3963
3964 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3965 struct device_attribute *attr,
3966 const char *buffer, size_t count)
3967 {
3968 unsigned long value;
3969 if (count > 31)
3970 return -EINVAL;
3971
3972 if (kstrtoul(buffer, 10, &value))
3973 return -EINVAL;
3974
3975 if (sony_pic_set_fanspeed(value))
3976 return -EIO;
3977
3978 return count;
3979 }
3980
3981 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3982 struct device_attribute *attr, char *buffer)
3983 {
3984 u8 value = 0;
3985 if (sony_pic_get_fanspeed(&value))
3986 return -EIO;
3987
3988 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3989 }
3990
3991 #define SPIC_ATTR(_name, _mode) \
3992 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3993 _mode, sony_pic_## _name ##_show, \
3994 sony_pic_## _name ##_store)
3995
3996 static SPIC_ATTR(bluetoothpower, 0644);
3997 static SPIC_ATTR(wwanpower, 0644);
3998 static SPIC_ATTR(fanspeed, 0644);
3999
4000 static struct attribute *spic_attributes[] = {
4001 &spic_attr_bluetoothpower.attr,
4002 &spic_attr_wwanpower.attr,
4003 &spic_attr_fanspeed.attr,
4004 NULL
4005 };
4006
4007 static struct attribute_group spic_attribute_group = {
4008 .attrs = spic_attributes
4009 };
4010
4011 /******** SONYPI compatibility **********/
4012 #ifdef CONFIG_SONYPI_COMPAT
4013
4014 /* battery / brightness / temperature addresses */
4015 #define SONYPI_BAT_FLAGS 0x81
4016 #define SONYPI_LCD_LIGHT 0x96
4017 #define SONYPI_BAT1_PCTRM 0xa0
4018 #define SONYPI_BAT1_LEFT 0xa2
4019 #define SONYPI_BAT1_MAXRT 0xa4
4020 #define SONYPI_BAT2_PCTRM 0xa8
4021 #define SONYPI_BAT2_LEFT 0xaa
4022 #define SONYPI_BAT2_MAXRT 0xac
4023 #define SONYPI_BAT1_MAXTK 0xb0
4024 #define SONYPI_BAT1_FULL 0xb2
4025 #define SONYPI_BAT2_MAXTK 0xb8
4026 #define SONYPI_BAT2_FULL 0xba
4027 #define SONYPI_TEMP_STATUS 0xC1
4028
4029 struct sonypi_compat_s {
4030 struct fasync_struct *fifo_async;
4031 struct kfifo fifo;
4032 spinlock_t fifo_lock;
4033 wait_queue_head_t fifo_proc_list;
4034 atomic_t open_count;
4035 };
4036 static struct sonypi_compat_s sonypi_compat = {
4037 .open_count = ATOMIC_INIT(0),
4038 };
4039
4040 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4041 {
4042 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4043 }
4044
4045 static int sonypi_misc_release(struct inode *inode, struct file *file)
4046 {
4047 atomic_dec(&sonypi_compat.open_count);
4048 return 0;
4049 }
4050
4051 static int sonypi_misc_open(struct inode *inode, struct file *file)
4052 {
4053 /* Flush input queue on first open */
4054 unsigned long flags;
4055
4056 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4057
4058 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4059 kfifo_reset(&sonypi_compat.fifo);
4060
4061 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4062
4063 return 0;
4064 }
4065
4066 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4067 size_t count, loff_t *pos)
4068 {
4069 ssize_t ret;
4070 unsigned char c;
4071
4072 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4073 (file->f_flags & O_NONBLOCK))
4074 return -EAGAIN;
4075
4076 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4077 kfifo_len(&sonypi_compat.fifo) != 0);
4078 if (ret)
4079 return ret;
4080
4081 while (ret < count &&
4082 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4083 &sonypi_compat.fifo_lock) == sizeof(c))) {
4084 if (put_user(c, buf++))
4085 return -EFAULT;
4086 ret++;
4087 }
4088
4089 if (ret > 0) {
4090 struct inode *inode = file_inode(file);
4091 inode->i_atime = current_fs_time(inode->i_sb);
4092 }
4093
4094 return ret;
4095 }
4096
4097 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
4098 {
4099 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4100 if (kfifo_len(&sonypi_compat.fifo))
4101 return POLLIN | POLLRDNORM;
4102 return 0;
4103 }
4104
4105 static int ec_read16(u8 addr, u16 *value)
4106 {
4107 u8 val_lb, val_hb;
4108 if (ec_read(addr, &val_lb))
4109 return -1;
4110 if (ec_read(addr + 1, &val_hb))
4111 return -1;
4112 *value = val_lb | (val_hb << 8);
4113 return 0;
4114 }
4115
4116 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4117 unsigned long arg)
4118 {
4119 int ret = 0;
4120 void __user *argp = (void __user *)arg;
4121 u8 val8;
4122 u16 val16;
4123 int value;
4124
4125 mutex_lock(&spic_dev.lock);
4126 switch (cmd) {
4127 case SONYPI_IOCGBRT:
4128 if (sony_bl_props.dev == NULL) {
4129 ret = -EIO;
4130 break;
4131 }
4132 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4133 &value)) {
4134 ret = -EIO;
4135 break;
4136 }
4137 val8 = ((value & 0xff) - 1) << 5;
4138 if (copy_to_user(argp, &val8, sizeof(val8)))
4139 ret = -EFAULT;
4140 break;
4141 case SONYPI_IOCSBRT:
4142 if (sony_bl_props.dev == NULL) {
4143 ret = -EIO;
4144 break;
4145 }
4146 if (copy_from_user(&val8, argp, sizeof(val8))) {
4147 ret = -EFAULT;
4148 break;
4149 }
4150 value = (val8 >> 5) + 1;
4151 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4152 NULL)) {
4153 ret = -EIO;
4154 break;
4155 }
4156 /* sync the backlight device status */
4157 sony_bl_props.dev->props.brightness =
4158 sony_backlight_get_brightness(sony_bl_props.dev);
4159 break;
4160 case SONYPI_IOCGBAT1CAP:
4161 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4162 ret = -EIO;
4163 break;
4164 }
4165 if (copy_to_user(argp, &val16, sizeof(val16)))
4166 ret = -EFAULT;
4167 break;
4168 case SONYPI_IOCGBAT1REM:
4169 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4170 ret = -EIO;
4171 break;
4172 }
4173 if (copy_to_user(argp, &val16, sizeof(val16)))
4174 ret = -EFAULT;
4175 break;
4176 case SONYPI_IOCGBAT2CAP:
4177 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4178 ret = -EIO;
4179 break;
4180 }
4181 if (copy_to_user(argp, &val16, sizeof(val16)))
4182 ret = -EFAULT;
4183 break;
4184 case SONYPI_IOCGBAT2REM:
4185 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4186 ret = -EIO;
4187 break;
4188 }
4189 if (copy_to_user(argp, &val16, sizeof(val16)))
4190 ret = -EFAULT;
4191 break;
4192 case SONYPI_IOCGBATFLAGS:
4193 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4194 ret = -EIO;
4195 break;
4196 }
4197 val8 &= 0x07;
4198 if (copy_to_user(argp, &val8, sizeof(val8)))
4199 ret = -EFAULT;
4200 break;
4201 case SONYPI_IOCGBLUE:
4202 val8 = spic_dev.bluetooth_power;
4203 if (copy_to_user(argp, &val8, sizeof(val8)))
4204 ret = -EFAULT;
4205 break;
4206 case SONYPI_IOCSBLUE:
4207 if (copy_from_user(&val8, argp, sizeof(val8))) {
4208 ret = -EFAULT;
4209 break;
4210 }
4211 __sony_pic_set_bluetoothpower(val8);
4212 break;
4213 /* FAN Controls */
4214 case SONYPI_IOCGFAN:
4215 if (sony_pic_get_fanspeed(&val8)) {
4216 ret = -EIO;
4217 break;
4218 }
4219 if (copy_to_user(argp, &val8, sizeof(val8)))
4220 ret = -EFAULT;
4221 break;
4222 case SONYPI_IOCSFAN:
4223 if (copy_from_user(&val8, argp, sizeof(val8))) {
4224 ret = -EFAULT;
4225 break;
4226 }
4227 if (sony_pic_set_fanspeed(val8))
4228 ret = -EIO;
4229 break;
4230 /* GET Temperature (useful under APM) */
4231 case SONYPI_IOCGTEMP:
4232 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4233 ret = -EIO;
4234 break;
4235 }
4236 if (copy_to_user(argp, &val8, sizeof(val8)))
4237 ret = -EFAULT;
4238 break;
4239 default:
4240 ret = -EINVAL;
4241 }
4242 mutex_unlock(&spic_dev.lock);
4243 return ret;
4244 }
4245
4246 static const struct file_operations sonypi_misc_fops = {
4247 .owner = THIS_MODULE,
4248 .read = sonypi_misc_read,
4249 .poll = sonypi_misc_poll,
4250 .open = sonypi_misc_open,
4251 .release = sonypi_misc_release,
4252 .fasync = sonypi_misc_fasync,
4253 .unlocked_ioctl = sonypi_misc_ioctl,
4254 .llseek = noop_llseek,
4255 };
4256
4257 static struct miscdevice sonypi_misc_device = {
4258 .minor = MISC_DYNAMIC_MINOR,
4259 .name = "sonypi",
4260 .fops = &sonypi_misc_fops,
4261 };
4262
4263 static void sonypi_compat_report_event(u8 event)
4264 {
4265 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4266 sizeof(event), &sonypi_compat.fifo_lock);
4267 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4268 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4269 }
4270
4271 static int sonypi_compat_init(void)
4272 {
4273 int error;
4274
4275 spin_lock_init(&sonypi_compat.fifo_lock);
4276 error =
4277 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4278 if (error) {
4279 pr_err("kfifo_alloc failed\n");
4280 return error;
4281 }
4282
4283 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4284
4285 if (minor != -1)
4286 sonypi_misc_device.minor = minor;
4287 error = misc_register(&sonypi_misc_device);
4288 if (error) {
4289 pr_err("misc_register failed\n");
4290 goto err_free_kfifo;
4291 }
4292 if (minor == -1)
4293 pr_info("device allocated minor is %d\n",
4294 sonypi_misc_device.minor);
4295
4296 return 0;
4297
4298 err_free_kfifo:
4299 kfifo_free(&sonypi_compat.fifo);
4300 return error;
4301 }
4302
4303 static void sonypi_compat_exit(void)
4304 {
4305 misc_deregister(&sonypi_misc_device);
4306 kfifo_free(&sonypi_compat.fifo);
4307 }
4308 #else
4309 static int sonypi_compat_init(void) { return 0; }
4310 static void sonypi_compat_exit(void) { }
4311 static void sonypi_compat_report_event(u8 event) { }
4312 #endif /* CONFIG_SONYPI_COMPAT */
4313
4314 /*
4315 * ACPI callbacks
4316 */
4317 static acpi_status
4318 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4319 {
4320 u32 i;
4321 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4322
4323 switch (resource->type) {
4324 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4325 {
4326 /* start IO enumeration */
4327 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4328 if (!ioport)
4329 return AE_ERROR;
4330
4331 list_add(&ioport->list, &dev->ioports);
4332 return AE_OK;
4333 }
4334
4335 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4336 /* end IO enumeration */
4337 return AE_OK;
4338
4339 case ACPI_RESOURCE_TYPE_IRQ:
4340 {
4341 struct acpi_resource_irq *p = &resource->data.irq;
4342 struct sony_pic_irq *interrupt = NULL;
4343 if (!p || !p->interrupt_count) {
4344 /*
4345 * IRQ descriptors may have no IRQ# bits set,
4346 * particularly those those w/ _STA disabled
4347 */
4348 dprintk("Blank IRQ resource\n");
4349 return AE_OK;
4350 }
4351 for (i = 0; i < p->interrupt_count; i++) {
4352 if (!p->interrupts[i]) {
4353 pr_warn("Invalid IRQ %d\n",
4354 p->interrupts[i]);
4355 continue;
4356 }
4357 interrupt = kzalloc(sizeof(*interrupt),
4358 GFP_KERNEL);
4359 if (!interrupt)
4360 return AE_ERROR;
4361
4362 list_add(&interrupt->list, &dev->interrupts);
4363 interrupt->irq.triggering = p->triggering;
4364 interrupt->irq.polarity = p->polarity;
4365 interrupt->irq.sharable = p->sharable;
4366 interrupt->irq.interrupt_count = 1;
4367 interrupt->irq.interrupts[0] = p->interrupts[i];
4368 }
4369 return AE_OK;
4370 }
4371 case ACPI_RESOURCE_TYPE_IO:
4372 {
4373 struct acpi_resource_io *io = &resource->data.io;
4374 struct sony_pic_ioport *ioport =
4375 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4376 if (!io) {
4377 dprintk("Blank IO resource\n");
4378 return AE_OK;
4379 }
4380
4381 if (!ioport->io1.minimum) {
4382 memcpy(&ioport->io1, io, sizeof(*io));
4383 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4384 ioport->io1.address_length);
4385 }
4386 else if (!ioport->io2.minimum) {
4387 memcpy(&ioport->io2, io, sizeof(*io));
4388 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4389 ioport->io2.address_length);
4390 }
4391 else {
4392 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4393 return AE_ERROR;
4394 }
4395 return AE_OK;
4396 }
4397 default:
4398 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4399 resource->type);
4400
4401 case ACPI_RESOURCE_TYPE_END_TAG:
4402 return AE_OK;
4403 }
4404 return AE_CTRL_TERMINATE;
4405 }
4406
4407 static int sony_pic_possible_resources(struct acpi_device *device)
4408 {
4409 int result = 0;
4410 acpi_status status = AE_OK;
4411
4412 if (!device)
4413 return -EINVAL;
4414
4415 /* get device status */
4416 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4417 dprintk("Evaluating _STA\n");
4418 result = acpi_bus_get_status(device);
4419 if (result) {
4420 pr_warn("Unable to read status\n");
4421 goto end;
4422 }
4423
4424 if (!device->status.enabled)
4425 dprintk("Device disabled\n");
4426 else
4427 dprintk("Device enabled\n");
4428
4429 /*
4430 * Query and parse 'method'
4431 */
4432 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4433 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4434 sony_pic_read_possible_resource, &spic_dev);
4435 if (ACPI_FAILURE(status)) {
4436 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4437 result = -ENODEV;
4438 }
4439 end:
4440 return result;
4441 }
4442
4443 /*
4444 * Disable the spic device by calling its _DIS method
4445 */
4446 static int sony_pic_disable(struct acpi_device *device)
4447 {
4448 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4449 NULL);
4450
4451 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4452 return -ENXIO;
4453
4454 dprintk("Device disabled\n");
4455 return 0;
4456 }
4457
4458
4459 /*
4460 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4461 *
4462 * Call _SRS to set current resources
4463 */
4464 static int sony_pic_enable(struct acpi_device *device,
4465 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4466 {
4467 acpi_status status;
4468 int result = 0;
4469 /* Type 1 resource layout is:
4470 * IO
4471 * IO
4472 * IRQNoFlags
4473 * End
4474 *
4475 * Type 2 and 3 resource layout is:
4476 * IO
4477 * IRQNoFlags
4478 * End
4479 */
4480 struct {
4481 struct acpi_resource res1;
4482 struct acpi_resource res2;
4483 struct acpi_resource res3;
4484 struct acpi_resource res4;
4485 } *resource;
4486 struct acpi_buffer buffer = { 0, NULL };
4487
4488 if (!ioport || !irq)
4489 return -EINVAL;
4490
4491 /* init acpi_buffer */
4492 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4493 if (!resource)
4494 return -ENOMEM;
4495
4496 buffer.length = sizeof(*resource) + 1;
4497 buffer.pointer = resource;
4498
4499 /* setup Type 1 resources */
4500 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4501
4502 /* setup io resources */
4503 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4504 resource->res1.length = sizeof(struct acpi_resource);
4505 memcpy(&resource->res1.data.io, &ioport->io1,
4506 sizeof(struct acpi_resource_io));
4507
4508 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4509 resource->res2.length = sizeof(struct acpi_resource);
4510 memcpy(&resource->res2.data.io, &ioport->io2,
4511 sizeof(struct acpi_resource_io));
4512
4513 /* setup irq resource */
4514 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4515 resource->res3.length = sizeof(struct acpi_resource);
4516 memcpy(&resource->res3.data.irq, &irq->irq,
4517 sizeof(struct acpi_resource_irq));
4518 /* we requested a shared irq */
4519 resource->res3.data.irq.sharable = ACPI_SHARED;
4520
4521 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4522 resource->res4.length = sizeof(struct acpi_resource);
4523 }
4524 /* setup Type 2/3 resources */
4525 else {
4526 /* setup io resource */
4527 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4528 resource->res1.length = sizeof(struct acpi_resource);
4529 memcpy(&resource->res1.data.io, &ioport->io1,
4530 sizeof(struct acpi_resource_io));
4531
4532 /* setup irq resource */
4533 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4534 resource->res2.length = sizeof(struct acpi_resource);
4535 memcpy(&resource->res2.data.irq, &irq->irq,
4536 sizeof(struct acpi_resource_irq));
4537 /* we requested a shared irq */
4538 resource->res2.data.irq.sharable = ACPI_SHARED;
4539
4540 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4541 resource->res3.length = sizeof(struct acpi_resource);
4542 }
4543
4544 /* Attempt to set the resource */
4545 dprintk("Evaluating _SRS\n");
4546 status = acpi_set_current_resources(device->handle, &buffer);
4547
4548 /* check for total failure */
4549 if (ACPI_FAILURE(status)) {
4550 pr_err("Error evaluating _SRS\n");
4551 result = -ENODEV;
4552 goto end;
4553 }
4554
4555 /* Necessary device initializations calls (from sonypi) */
4556 sony_pic_call1(0x82);
4557 sony_pic_call2(0x81, 0xff);
4558 sony_pic_call1(compat ? 0x92 : 0x82);
4559
4560 end:
4561 kfree(resource);
4562 return result;
4563 }
4564
4565 /*****************
4566 *
4567 * ISR: some event is available
4568 *
4569 *****************/
4570 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4571 {
4572 int i, j;
4573 u8 ev = 0;
4574 u8 data_mask = 0;
4575 u8 device_event = 0;
4576
4577 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4578
4579 ev = inb_p(dev->cur_ioport->io1.minimum);
4580 if (dev->cur_ioport->io2.minimum)
4581 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4582 else
4583 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4584 dev->evport_offset);
4585
4586 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4587 ev, data_mask, dev->cur_ioport->io1.minimum,
4588 dev->evport_offset);
4589
4590 if (ev == 0x00 || ev == 0xff)
4591 return IRQ_HANDLED;
4592
4593 for (i = 0; dev->event_types[i].mask; i++) {
4594
4595 if ((data_mask & dev->event_types[i].data) !=
4596 dev->event_types[i].data)
4597 continue;
4598
4599 if (!(mask & dev->event_types[i].mask))
4600 continue;
4601
4602 for (j = 0; dev->event_types[i].events[j].event; j++) {
4603 if (ev == dev->event_types[i].events[j].data) {
4604 device_event =
4605 dev->event_types[i].events[j].event;
4606 /* some events may require ignoring */
4607 if (!device_event)
4608 return IRQ_HANDLED;
4609 goto found;
4610 }
4611 }
4612 }
4613 /* Still not able to decode the event try to pass
4614 * it over to the minidriver
4615 */
4616 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4617 return IRQ_HANDLED;
4618
4619 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4620 ev, data_mask, dev->cur_ioport->io1.minimum,
4621 dev->evport_offset);
4622 return IRQ_HANDLED;
4623
4624 found:
4625 sony_laptop_report_input_event(device_event);
4626 sonypi_compat_report_event(device_event);
4627 return IRQ_HANDLED;
4628 }
4629
4630 /*****************
4631 *
4632 * ACPI driver
4633 *
4634 *****************/
4635 static int sony_pic_remove(struct acpi_device *device)
4636 {
4637 struct sony_pic_ioport *io, *tmp_io;
4638 struct sony_pic_irq *irq, *tmp_irq;
4639
4640 if (sony_pic_disable(device)) {
4641 pr_err("Couldn't disable device\n");
4642 return -ENXIO;
4643 }
4644
4645 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4646 release_region(spic_dev.cur_ioport->io1.minimum,
4647 spic_dev.cur_ioport->io1.address_length);
4648 if (spic_dev.cur_ioport->io2.minimum)
4649 release_region(spic_dev.cur_ioport->io2.minimum,
4650 spic_dev.cur_ioport->io2.address_length);
4651
4652 sonypi_compat_exit();
4653
4654 sony_laptop_remove_input();
4655
4656 /* pf attrs */
4657 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4658 sony_pf_remove();
4659
4660 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4661 list_del(&io->list);
4662 kfree(io);
4663 }
4664 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4665 list_del(&irq->list);
4666 kfree(irq);
4667 }
4668 spic_dev.cur_ioport = NULL;
4669 spic_dev.cur_irq = NULL;
4670
4671 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4672 return 0;
4673 }
4674
4675 static int sony_pic_add(struct acpi_device *device)
4676 {
4677 int result;
4678 struct sony_pic_ioport *io, *tmp_io;
4679 struct sony_pic_irq *irq, *tmp_irq;
4680
4681 spic_dev.acpi_dev = device;
4682 strcpy(acpi_device_class(device), "sony/hotkey");
4683 sony_pic_detect_device_type(&spic_dev);
4684 mutex_init(&spic_dev.lock);
4685
4686 /* read _PRS resources */
4687 result = sony_pic_possible_resources(device);
4688 if (result) {
4689 pr_err("Unable to read possible resources\n");
4690 goto err_free_resources;
4691 }
4692
4693 /* setup input devices and helper fifo */
4694 result = sony_laptop_setup_input(device);
4695 if (result) {
4696 pr_err("Unable to create input devices\n");
4697 goto err_free_resources;
4698 }
4699
4700 result = sonypi_compat_init();
4701 if (result)
4702 goto err_remove_input;
4703
4704 /* request io port */
4705 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4706 if (request_region(io->io1.minimum, io->io1.address_length,
4707 "Sony Programmable I/O Device")) {
4708 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4709 io->io1.minimum, io->io1.maximum,
4710 io->io1.address_length);
4711 /* Type 1 have 2 ioports */
4712 if (io->io2.minimum) {
4713 if (request_region(io->io2.minimum,
4714 io->io2.address_length,
4715 "Sony Programmable I/O Device")) {
4716 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4717 io->io2.minimum, io->io2.maximum,
4718 io->io2.address_length);
4719 spic_dev.cur_ioport = io;
4720 break;
4721 }
4722 else {
4723 dprintk("Unable to get I/O port2: "
4724 "0x%.4x (0x%.4x) + 0x%.2x\n",
4725 io->io2.minimum, io->io2.maximum,
4726 io->io2.address_length);
4727 release_region(io->io1.minimum,
4728 io->io1.address_length);
4729 }
4730 }
4731 else {
4732 spic_dev.cur_ioport = io;
4733 break;
4734 }
4735 }
4736 }
4737 if (!spic_dev.cur_ioport) {
4738 pr_err("Failed to request_region\n");
4739 result = -ENODEV;
4740 goto err_remove_compat;
4741 }
4742
4743 /* request IRQ */
4744 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4745 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4746 0, "sony-laptop", &spic_dev)) {
4747 dprintk("IRQ: %d - triggering: %d - "
4748 "polarity: %d - shr: %d\n",
4749 irq->irq.interrupts[0],
4750 irq->irq.triggering,
4751 irq->irq.polarity,
4752 irq->irq.sharable);
4753 spic_dev.cur_irq = irq;
4754 break;
4755 }
4756 }
4757 if (!spic_dev.cur_irq) {
4758 pr_err("Failed to request_irq\n");
4759 result = -ENODEV;
4760 goto err_release_region;
4761 }
4762
4763 /* set resource status _SRS */
4764 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4765 if (result) {
4766 pr_err("Couldn't enable device\n");
4767 goto err_free_irq;
4768 }
4769
4770 spic_dev.bluetooth_power = -1;
4771 /* create device attributes */
4772 result = sony_pf_add();
4773 if (result)
4774 goto err_disable_device;
4775
4776 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4777 if (result)
4778 goto err_remove_pf;
4779
4780 pr_info("SPIC setup done.\n");
4781 return 0;
4782
4783 err_remove_pf:
4784 sony_pf_remove();
4785
4786 err_disable_device:
4787 sony_pic_disable(device);
4788
4789 err_free_irq:
4790 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4791
4792 err_release_region:
4793 release_region(spic_dev.cur_ioport->io1.minimum,
4794 spic_dev.cur_ioport->io1.address_length);
4795 if (spic_dev.cur_ioport->io2.minimum)
4796 release_region(spic_dev.cur_ioport->io2.minimum,
4797 spic_dev.cur_ioport->io2.address_length);
4798
4799 err_remove_compat:
4800 sonypi_compat_exit();
4801
4802 err_remove_input:
4803 sony_laptop_remove_input();
4804
4805 err_free_resources:
4806 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4807 list_del(&io->list);
4808 kfree(io);
4809 }
4810 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4811 list_del(&irq->list);
4812 kfree(irq);
4813 }
4814 spic_dev.cur_ioport = NULL;
4815 spic_dev.cur_irq = NULL;
4816
4817 return result;
4818 }
4819
4820 #ifdef CONFIG_PM_SLEEP
4821 static int sony_pic_suspend(struct device *dev)
4822 {
4823 if (sony_pic_disable(to_acpi_device(dev)))
4824 return -ENXIO;
4825 return 0;
4826 }
4827
4828 static int sony_pic_resume(struct device *dev)
4829 {
4830 sony_pic_enable(to_acpi_device(dev),
4831 spic_dev.cur_ioport, spic_dev.cur_irq);
4832 return 0;
4833 }
4834 #endif
4835
4836 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4837
4838 static const struct acpi_device_id sony_pic_device_ids[] = {
4839 {SONY_PIC_HID, 0},
4840 {"", 0},
4841 };
4842
4843 static struct acpi_driver sony_pic_driver = {
4844 .name = SONY_PIC_DRIVER_NAME,
4845 .class = SONY_PIC_CLASS,
4846 .ids = sony_pic_device_ids,
4847 .owner = THIS_MODULE,
4848 .ops = {
4849 .add = sony_pic_add,
4850 .remove = sony_pic_remove,
4851 },
4852 .drv.pm = &sony_pic_pm,
4853 };
4854
4855 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4856 {
4857 .ident = "Sony Vaio",
4858 .matches = {
4859 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4860 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4861 },
4862 },
4863 {
4864 .ident = "Sony Vaio",
4865 .matches = {
4866 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4867 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4868 },
4869 },
4870 { }
4871 };
4872
4873 static int __init sony_laptop_init(void)
4874 {
4875 int result;
4876
4877 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4878 result = acpi_bus_register_driver(&sony_pic_driver);
4879 if (result) {
4880 pr_err("Unable to register SPIC driver\n");
4881 goto out;
4882 }
4883 spic_drv_registered = 1;
4884 }
4885
4886 result = acpi_bus_register_driver(&sony_nc_driver);
4887 if (result) {
4888 pr_err("Unable to register SNC driver\n");
4889 goto out_unregister_pic;
4890 }
4891
4892 return 0;
4893
4894 out_unregister_pic:
4895 if (spic_drv_registered)
4896 acpi_bus_unregister_driver(&sony_pic_driver);
4897 out:
4898 return result;
4899 }
4900
4901 static void __exit sony_laptop_exit(void)
4902 {
4903 acpi_bus_unregister_driver(&sony_nc_driver);
4904 if (spic_drv_registered)
4905 acpi_bus_unregister_driver(&sony_pic_driver);
4906 }
4907
4908 module_init(sony_laptop_init);
4909 module_exit(sony_laptop_exit);
Linux with added FPC-III support