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sony-laptop: fully enable SNY controlled modems
[deliverable/linux.git] / drivers / platform / x86 / sony-laptop.c
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 <acpi/acpi_drivers.h>
65 #include <acpi/acpi_bus.h>
66 #include <asm/uaccess.h>
67 #include <linux/sonypi.h>
68 #include <linux/sony-laptop.h>
69 #include <linux/rfkill.h>
70 #ifdef CONFIG_SONYPI_COMPAT
71 #include <linux/poll.h>
72 #include <linux/miscdevice.h>
73 #endif
74
75 #define dprintk(fmt, ...) \
76 do { \
77 if (debug) \
78 pr_warn(fmt, ##__VA_ARGS__); \
79 } while (0)
80
81 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
82
83 #define SONY_NC_CLASS "sony-nc"
84 #define SONY_NC_HID "SNY5001"
85 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
86
87 #define SONY_PIC_CLASS "sony-pic"
88 #define SONY_PIC_HID "SNY6001"
89 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
90
91 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
92 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
93 MODULE_LICENSE("GPL");
94 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
95
96 static int debug;
97 module_param(debug, int, 0);
98 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
99 "the development of this driver");
100
101 static int no_spic; /* = 0 */
102 module_param(no_spic, int, 0444);
103 MODULE_PARM_DESC(no_spic,
104 "set this if you don't want to enable the SPIC device");
105
106 static int compat; /* = 0 */
107 module_param(compat, int, 0444);
108 MODULE_PARM_DESC(compat,
109 "set this if you want to enable backward compatibility mode");
110
111 static unsigned long mask = 0xffffffff;
112 module_param(mask, ulong, 0644);
113 MODULE_PARM_DESC(mask,
114 "set this to the mask of event you want to enable (see doc)");
115
116 static int camera; /* = 0 */
117 module_param(camera, int, 0444);
118 MODULE_PARM_DESC(camera,
119 "set this to 1 to enable Motion Eye camera controls "
120 "(only use it if you have a C1VE or C1VN model)");
121
122 #ifdef CONFIG_SONYPI_COMPAT
123 static int minor = -1;
124 module_param(minor, int, 0);
125 MODULE_PARM_DESC(minor,
126 "minor number of the misc device for the SPIC compatibility code, "
127 "default is -1 (automatic)");
128 #endif
129
130 static int kbd_backlight = 1;
131 module_param(kbd_backlight, int, 0444);
132 MODULE_PARM_DESC(kbd_backlight,
133 "set this to 0 to disable keyboard backlight, "
134 "1 to enable it (default: 0)");
135
136 static int kbd_backlight_timeout; /* = 0 */
137 module_param(kbd_backlight_timeout, int, 0444);
138 MODULE_PARM_DESC(kbd_backlight_timeout,
139 "set this to 0 to set the default 10 seconds timeout, "
140 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
141 "(default: 0)");
142
143 #ifdef CONFIG_PM_SLEEP
144 static void sony_nc_kbd_backlight_resume(void);
145 static void sony_nc_thermal_resume(void);
146 #endif
147 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
148 unsigned int handle);
149 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
150
151 static int sony_nc_battery_care_setup(struct platform_device *pd,
152 unsigned int handle);
153 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
154
155 static int sony_nc_thermal_setup(struct platform_device *pd);
156 static void sony_nc_thermal_cleanup(struct platform_device *pd);
157
158 static int sony_nc_lid_resume_setup(struct platform_device *pd);
159 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
160
161 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
162 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
163
164 static int sony_nc_touchpad_setup(struct platform_device *pd,
165 unsigned int handle);
166 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
167
168 enum sony_nc_rfkill {
169 SONY_WIFI,
170 SONY_BLUETOOTH,
171 SONY_WWAN,
172 SONY_WIMAX,
173 N_SONY_RFKILL,
174 };
175
176 static int sony_rfkill_handle;
177 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
178 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
179 static int sony_nc_rfkill_setup(struct acpi_device *device,
180 unsigned int handle);
181 static void sony_nc_rfkill_cleanup(void);
182 static void sony_nc_rfkill_update(void);
183
184 /*********** Input Devices ***********/
185
186 #define SONY_LAPTOP_BUF_SIZE 128
187 struct sony_laptop_input_s {
188 atomic_t users;
189 struct input_dev *jog_dev;
190 struct input_dev *key_dev;
191 struct kfifo fifo;
192 spinlock_t fifo_lock;
193 struct timer_list release_key_timer;
194 };
195
196 static struct sony_laptop_input_s sony_laptop_input = {
197 .users = ATOMIC_INIT(0),
198 };
199
200 struct sony_laptop_keypress {
201 struct input_dev *dev;
202 int key;
203 };
204
205 /* Correspondance table between sonypi events
206 * and input layer indexes in the keymap
207 */
208 static int sony_laptop_input_index[] = {
209 -1, /* 0 no event */
210 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
211 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
212 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
213 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
214 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
215 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
216 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
217 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
218 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
219 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
220 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
221 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
222 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
223 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
224 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
225 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
226 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
227 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
228 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
229 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
230 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
231 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
232 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
233 17, /* 24 SONYPI_EVENT_FNKEY_1 */
234 18, /* 25 SONYPI_EVENT_FNKEY_2 */
235 19, /* 26 SONYPI_EVENT_FNKEY_D */
236 20, /* 27 SONYPI_EVENT_FNKEY_E */
237 21, /* 28 SONYPI_EVENT_FNKEY_F */
238 22, /* 29 SONYPI_EVENT_FNKEY_S */
239 23, /* 30 SONYPI_EVENT_FNKEY_B */
240 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
241 25, /* 32 SONYPI_EVENT_PKEY_P1 */
242 26, /* 33 SONYPI_EVENT_PKEY_P2 */
243 27, /* 34 SONYPI_EVENT_PKEY_P3 */
244 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
245 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
246 -1, /* 37 SONYPI_EVENT_LID_OPENED */
247 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
248 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
249 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
250 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
251 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
252 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
253 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
254 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
255 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
256 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
257 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
258 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
259 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
260 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
261 43, /* 52 SONYPI_EVENT_MEYE_FACE */
262 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
263 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
264 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
265 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
266 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
267 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
268 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
269 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
270 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
271 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
272 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
273 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
274 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
275 53, /* 66 SONYPI_EVENT_PKEY_P4 */
276 54, /* 67 SONYPI_EVENT_PKEY_P5 */
277 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
278 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
279 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
280 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
281 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
282 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
283 };
284
285 static int sony_laptop_input_keycode_map[] = {
286 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
287 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
288 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
289 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
290 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
291 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
292 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
293 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
294 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
295 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
296 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
297 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
298 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
299 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
300 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
301 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
302 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
303 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
304 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
305 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
306 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
307 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
308 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
309 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
310 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
311 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
312 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
313 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
314 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
315 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
316 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
317 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
318 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
319 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
320 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
321 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
322 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
323 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
324 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
325 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
326 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
327 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
328 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
329 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
330 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
331 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
332 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
333 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
334 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
335 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
336 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
337 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
338 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
339 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
340 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
341 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
342 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
343 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
344 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
345 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
346 };
347
348 /* release buttons after a short delay if pressed */
349 static void do_sony_laptop_release_key(unsigned long unused)
350 {
351 struct sony_laptop_keypress kp;
352 unsigned long flags;
353
354 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
355
356 if (kfifo_out(&sony_laptop_input.fifo,
357 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
358 input_report_key(kp.dev, kp.key, 0);
359 input_sync(kp.dev);
360 }
361
362 /* If there is something in the fifo schedule next release. */
363 if (kfifo_len(&sony_laptop_input.fifo) != 0)
364 mod_timer(&sony_laptop_input.release_key_timer,
365 jiffies + msecs_to_jiffies(10));
366
367 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
368 }
369
370 /* forward event to the input subsystem */
371 static void sony_laptop_report_input_event(u8 event)
372 {
373 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
374 struct input_dev *key_dev = sony_laptop_input.key_dev;
375 struct sony_laptop_keypress kp = { NULL };
376 int scancode = -1;
377
378 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
379 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
380 /* Nothing, not all VAIOs generate this event */
381 return;
382 }
383
384 /* report events */
385 switch (event) {
386 /* jog_dev events */
387 case SONYPI_EVENT_JOGDIAL_UP:
388 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
389 input_report_rel(jog_dev, REL_WHEEL, 1);
390 input_sync(jog_dev);
391 return;
392
393 case SONYPI_EVENT_JOGDIAL_DOWN:
394 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
395 input_report_rel(jog_dev, REL_WHEEL, -1);
396 input_sync(jog_dev);
397 return;
398
399 /* key_dev events */
400 case SONYPI_EVENT_JOGDIAL_PRESSED:
401 kp.key = BTN_MIDDLE;
402 kp.dev = jog_dev;
403 break;
404
405 default:
406 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
407 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
408 break;
409 }
410 if ((scancode = sony_laptop_input_index[event]) != -1) {
411 kp.key = sony_laptop_input_keycode_map[scancode];
412 if (kp.key != KEY_UNKNOWN)
413 kp.dev = key_dev;
414 }
415 break;
416 }
417
418 if (kp.dev) {
419 /* if we have a scancode we emit it so we can always
420 remap the key */
421 if (scancode != -1)
422 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
423 input_report_key(kp.dev, kp.key, 1);
424 input_sync(kp.dev);
425
426 /* schedule key release */
427 kfifo_in_locked(&sony_laptop_input.fifo,
428 (unsigned char *)&kp, sizeof(kp),
429 &sony_laptop_input.fifo_lock);
430 mod_timer(&sony_laptop_input.release_key_timer,
431 jiffies + msecs_to_jiffies(10));
432 } else
433 dprintk("unknown input event %.2x\n", event);
434 }
435
436 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
437 {
438 struct input_dev *jog_dev;
439 struct input_dev *key_dev;
440 int i;
441 int error;
442
443 /* don't run again if already initialized */
444 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
445 return 0;
446
447 /* kfifo */
448 spin_lock_init(&sony_laptop_input.fifo_lock);
449 error = kfifo_alloc(&sony_laptop_input.fifo,
450 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
451 if (error) {
452 pr_err("kfifo_alloc failed\n");
453 goto err_dec_users;
454 }
455
456 setup_timer(&sony_laptop_input.release_key_timer,
457 do_sony_laptop_release_key, 0);
458
459 /* input keys */
460 key_dev = input_allocate_device();
461 if (!key_dev) {
462 error = -ENOMEM;
463 goto err_free_kfifo;
464 }
465
466 key_dev->name = "Sony Vaio Keys";
467 key_dev->id.bustype = BUS_ISA;
468 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
469 key_dev->dev.parent = &acpi_device->dev;
470
471 /* Initialize the Input Drivers: special keys */
472 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
473
474 __set_bit(EV_KEY, key_dev->evbit);
475 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
476 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
477 key_dev->keycode = &sony_laptop_input_keycode_map;
478 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
479 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
480 __clear_bit(KEY_RESERVED, key_dev->keybit);
481
482 error = input_register_device(key_dev);
483 if (error)
484 goto err_free_keydev;
485
486 sony_laptop_input.key_dev = key_dev;
487
488 /* jogdial */
489 jog_dev = input_allocate_device();
490 if (!jog_dev) {
491 error = -ENOMEM;
492 goto err_unregister_keydev;
493 }
494
495 jog_dev->name = "Sony Vaio Jogdial";
496 jog_dev->id.bustype = BUS_ISA;
497 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
498 jog_dev->dev.parent = &acpi_device->dev;
499
500 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
501 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
502
503 error = input_register_device(jog_dev);
504 if (error)
505 goto err_free_jogdev;
506
507 sony_laptop_input.jog_dev = jog_dev;
508
509 return 0;
510
511 err_free_jogdev:
512 input_free_device(jog_dev);
513
514 err_unregister_keydev:
515 input_unregister_device(key_dev);
516 /* to avoid kref underflow below at input_free_device */
517 key_dev = NULL;
518
519 err_free_keydev:
520 input_free_device(key_dev);
521
522 err_free_kfifo:
523 kfifo_free(&sony_laptop_input.fifo);
524
525 err_dec_users:
526 atomic_dec(&sony_laptop_input.users);
527 return error;
528 }
529
530 static void sony_laptop_remove_input(void)
531 {
532 struct sony_laptop_keypress kp = { NULL };
533
534 /* Cleanup only after the last user has gone */
535 if (!atomic_dec_and_test(&sony_laptop_input.users))
536 return;
537
538 del_timer_sync(&sony_laptop_input.release_key_timer);
539
540 /*
541 * Generate key-up events for remaining keys. Note that we don't
542 * need locking since nobody is adding new events to the kfifo.
543 */
544 while (kfifo_out(&sony_laptop_input.fifo,
545 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
546 input_report_key(kp.dev, kp.key, 0);
547 input_sync(kp.dev);
548 }
549
550 /* destroy input devs */
551 input_unregister_device(sony_laptop_input.key_dev);
552 sony_laptop_input.key_dev = NULL;
553
554 if (sony_laptop_input.jog_dev) {
555 input_unregister_device(sony_laptop_input.jog_dev);
556 sony_laptop_input.jog_dev = NULL;
557 }
558
559 kfifo_free(&sony_laptop_input.fifo);
560 }
561
562 /*********** Platform Device ***********/
563
564 static atomic_t sony_pf_users = ATOMIC_INIT(0);
565 static struct platform_driver sony_pf_driver = {
566 .driver = {
567 .name = "sony-laptop",
568 .owner = THIS_MODULE,
569 }
570 };
571 static struct platform_device *sony_pf_device;
572
573 static int sony_pf_add(void)
574 {
575 int ret = 0;
576
577 /* don't run again if already initialized */
578 if (atomic_add_return(1, &sony_pf_users) > 1)
579 return 0;
580
581 ret = platform_driver_register(&sony_pf_driver);
582 if (ret)
583 goto out;
584
585 sony_pf_device = platform_device_alloc("sony-laptop", -1);
586 if (!sony_pf_device) {
587 ret = -ENOMEM;
588 goto out_platform_registered;
589 }
590
591 ret = platform_device_add(sony_pf_device);
592 if (ret)
593 goto out_platform_alloced;
594
595 return 0;
596
597 out_platform_alloced:
598 platform_device_put(sony_pf_device);
599 sony_pf_device = NULL;
600 out_platform_registered:
601 platform_driver_unregister(&sony_pf_driver);
602 out:
603 atomic_dec(&sony_pf_users);
604 return ret;
605 }
606
607 static void sony_pf_remove(void)
608 {
609 /* deregister only after the last user has gone */
610 if (!atomic_dec_and_test(&sony_pf_users))
611 return;
612
613 platform_device_unregister(sony_pf_device);
614 platform_driver_unregister(&sony_pf_driver);
615 }
616
617 /*********** SNC (SNY5001) Device ***********/
618
619 /* the device uses 1-based values, while the backlight subsystem uses
620 0-based values */
621 #define SONY_MAX_BRIGHTNESS 8
622
623 #define SNC_VALIDATE_IN 0
624 #define SNC_VALIDATE_OUT 1
625
626 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
627 char *);
628 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
629 const char *, size_t);
630 static int boolean_validate(const int, const int);
631 static int brightness_default_validate(const int, const int);
632
633 struct sony_nc_value {
634 char *name; /* name of the entry */
635 char **acpiget; /* names of the ACPI get function */
636 char **acpiset; /* names of the ACPI set function */
637 int (*validate)(const int, const int); /* input/output validation */
638 int value; /* current setting */
639 int valid; /* Has ever been set */
640 int debug; /* active only in debug mode ? */
641 struct device_attribute devattr; /* sysfs attribute */
642 };
643
644 #define SNC_HANDLE_NAMES(_name, _values...) \
645 static char *snc_##_name[] = { _values, NULL }
646
647 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
648 { \
649 .name = __stringify(_name), \
650 .acpiget = _getters, \
651 .acpiset = _setters, \
652 .validate = _validate, \
653 .debug = _debug, \
654 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
655 }
656
657 #define SNC_HANDLE_NULL { .name = NULL }
658
659 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
660
661 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
662 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
663
664 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
665 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
666
667 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
668 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
669
670 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
671 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
672
673 SNC_HANDLE_NAMES(lidstate_get, "GLID");
674
675 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
676 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
677
678 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
679 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
680
681 SNC_HANDLE_NAMES(PID_get, "GPID");
682
683 SNC_HANDLE_NAMES(CTR_get, "GCTR");
684 SNC_HANDLE_NAMES(CTR_set, "SCTR");
685
686 SNC_HANDLE_NAMES(PCR_get, "GPCR");
687 SNC_HANDLE_NAMES(PCR_set, "SPCR");
688
689 SNC_HANDLE_NAMES(CMI_get, "GCMI");
690 SNC_HANDLE_NAMES(CMI_set, "SCMI");
691
692 static struct sony_nc_value sony_nc_values[] = {
693 SNC_HANDLE(brightness_default, snc_brightness_def_get,
694 snc_brightness_def_set, brightness_default_validate, 0),
695 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
696 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
697 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
698 boolean_validate, 0),
699 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
700 boolean_validate, 1),
701 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
702 boolean_validate, 0),
703 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
704 boolean_validate, 0),
705 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
706 boolean_validate, 0),
707 /* unknown methods */
708 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
709 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
710 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
711 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
712 SNC_HANDLE_NULL
713 };
714
715 static acpi_handle sony_nc_acpi_handle;
716 static struct acpi_device *sony_nc_acpi_device = NULL;
717
718 /*
719 * acpi_evaluate_object wrappers
720 * all useful calls into SNC methods take one or zero parameters and return
721 * integers or arrays.
722 */
723 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
724 u64 *value)
725 {
726 union acpi_object *result = NULL;
727 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
728 acpi_status status;
729
730 if (value) {
731 struct acpi_object_list params;
732 union acpi_object in;
733 in.type = ACPI_TYPE_INTEGER;
734 in.integer.value = *value;
735 params.count = 1;
736 params.pointer = &in;
737 status = acpi_evaluate_object(handle, method, &params, &output);
738 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
739 (unsigned int)(*value >> 32),
740 (unsigned int)*value & 0xffffffff);
741 } else {
742 status = acpi_evaluate_object(handle, method, NULL, &output);
743 dprintk("__call_snc_method: [%s]\n", method);
744 }
745
746 if (ACPI_FAILURE(status)) {
747 pr_err("Failed to evaluate [%s]\n", method);
748 return NULL;
749 }
750
751 result = (union acpi_object *) output.pointer;
752 if (!result)
753 dprintk("No return object [%s]\n", method);
754
755 return result;
756 }
757
758 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
759 int *result)
760 {
761 union acpi_object *object = NULL;
762 if (value) {
763 u64 v = *value;
764 object = __call_snc_method(handle, name, &v);
765 } else
766 object = __call_snc_method(handle, name, NULL);
767
768 if (!object)
769 return -EINVAL;
770
771 if (object->type != ACPI_TYPE_INTEGER) {
772 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
773 ACPI_TYPE_INTEGER, object->type);
774 kfree(object);
775 return -EINVAL;
776 }
777
778 if (result)
779 *result = object->integer.value;
780
781 kfree(object);
782 return 0;
783 }
784
785 #define MIN(a, b) (a > b ? b : a)
786 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
787 void *buffer, size_t buflen)
788 {
789 int ret = 0;
790 size_t len = len;
791 union acpi_object *object = __call_snc_method(handle, name, value);
792
793 if (!object)
794 return -EINVAL;
795
796 if (object->type == ACPI_TYPE_BUFFER) {
797 len = MIN(buflen, object->buffer.length);
798 memcpy(buffer, object->buffer.pointer, len);
799
800 } else if (object->type == ACPI_TYPE_INTEGER) {
801 len = MIN(buflen, sizeof(object->integer.value));
802 memcpy(buffer, &object->integer.value, len);
803
804 } else {
805 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
806 ACPI_TYPE_BUFFER, object->type);
807 ret = -EINVAL;
808 }
809
810 kfree(object);
811 return ret;
812 }
813
814 struct sony_nc_handles {
815 u16 cap[0x10];
816 struct device_attribute devattr;
817 };
818
819 static struct sony_nc_handles *handles;
820
821 static ssize_t sony_nc_handles_show(struct device *dev,
822 struct device_attribute *attr, char *buffer)
823 {
824 ssize_t len = 0;
825 int i;
826
827 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
828 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
829 handles->cap[i]);
830 }
831 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
832
833 return len;
834 }
835
836 static int sony_nc_handles_setup(struct platform_device *pd)
837 {
838 int i, r, result, arg;
839
840 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
841 if (!handles)
842 return -ENOMEM;
843
844 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
845 arg = i + 0x20;
846 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
847 &result);
848 if (!r) {
849 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
850 result, i);
851 handles->cap[i] = result;
852 }
853 }
854
855 if (debug) {
856 sysfs_attr_init(&handles->devattr.attr);
857 handles->devattr.attr.name = "handles";
858 handles->devattr.attr.mode = S_IRUGO;
859 handles->devattr.show = sony_nc_handles_show;
860
861 /* allow reading capabilities via sysfs */
862 if (device_create_file(&pd->dev, &handles->devattr)) {
863 kfree(handles);
864 handles = NULL;
865 return -1;
866 }
867 }
868
869 return 0;
870 }
871
872 static int sony_nc_handles_cleanup(struct platform_device *pd)
873 {
874 if (handles) {
875 if (debug)
876 device_remove_file(&pd->dev, &handles->devattr);
877 kfree(handles);
878 handles = NULL;
879 }
880 return 0;
881 }
882
883 static int sony_find_snc_handle(int handle)
884 {
885 int i;
886
887 /* not initialized yet, return early */
888 if (!handles || !handle)
889 return -EINVAL;
890
891 for (i = 0; i < 0x10; i++) {
892 if (handles->cap[i] == handle) {
893 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
894 handle, i);
895 return i;
896 }
897 }
898 dprintk("handle 0x%.4x not found\n", handle);
899 return -EINVAL;
900 }
901
902 static int sony_call_snc_handle(int handle, int argument, int *result)
903 {
904 int arg, ret = 0;
905 int offset = sony_find_snc_handle(handle);
906
907 if (offset < 0)
908 return offset;
909
910 arg = offset | argument;
911 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
912 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
913 return ret;
914 }
915
916 /*
917 * sony_nc_values input/output validate functions
918 */
919
920 /* brightness_default_validate:
921 *
922 * manipulate input output values to keep consistency with the
923 * backlight framework for which brightness values are 0-based.
924 */
925 static int brightness_default_validate(const int direction, const int value)
926 {
927 switch (direction) {
928 case SNC_VALIDATE_OUT:
929 return value - 1;
930 case SNC_VALIDATE_IN:
931 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
932 return value + 1;
933 }
934 return -EINVAL;
935 }
936
937 /* boolean_validate:
938 *
939 * on input validate boolean values 0/1, on output just pass the
940 * received value.
941 */
942 static int boolean_validate(const int direction, const int value)
943 {
944 if (direction == SNC_VALIDATE_IN) {
945 if (value != 0 && value != 1)
946 return -EINVAL;
947 }
948 return value;
949 }
950
951 /*
952 * Sysfs show/store common to all sony_nc_values
953 */
954 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
955 char *buffer)
956 {
957 int value, ret = 0;
958 struct sony_nc_value *item =
959 container_of(attr, struct sony_nc_value, devattr);
960
961 if (!*item->acpiget)
962 return -EIO;
963
964 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
965 &value);
966 if (ret < 0)
967 return -EIO;
968
969 if (item->validate)
970 value = item->validate(SNC_VALIDATE_OUT, value);
971
972 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
973 }
974
975 static ssize_t sony_nc_sysfs_store(struct device *dev,
976 struct device_attribute *attr,
977 const char *buffer, size_t count)
978 {
979 int value;
980 int ret = 0;
981 struct sony_nc_value *item =
982 container_of(attr, struct sony_nc_value, devattr);
983
984 if (!item->acpiset)
985 return -EIO;
986
987 if (count > 31)
988 return -EINVAL;
989
990 if (kstrtoint(buffer, 10, &value))
991 return -EINVAL;
992
993 if (item->validate)
994 value = item->validate(SNC_VALIDATE_IN, value);
995
996 if (value < 0)
997 return value;
998
999 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1000 &value, NULL);
1001 if (ret < 0)
1002 return -EIO;
1003
1004 item->value = value;
1005 item->valid = 1;
1006 return count;
1007 }
1008
1009
1010 /*
1011 * Backlight device
1012 */
1013 struct sony_backlight_props {
1014 struct backlight_device *dev;
1015 int handle;
1016 int cmd_base;
1017 u8 offset;
1018 u8 maxlvl;
1019 };
1020 struct sony_backlight_props sony_bl_props;
1021
1022 static int sony_backlight_update_status(struct backlight_device *bd)
1023 {
1024 int arg = bd->props.brightness + 1;
1025 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1026 }
1027
1028 static int sony_backlight_get_brightness(struct backlight_device *bd)
1029 {
1030 int value;
1031
1032 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1033 return 0;
1034 /* brightness levels are 1-based, while backlight ones are 0-based */
1035 return value - 1;
1036 }
1037
1038 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1039 {
1040 int result;
1041 struct sony_backlight_props *sdev =
1042 (struct sony_backlight_props *)bl_get_data(bd);
1043
1044 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1045
1046 return (result & 0xff) - sdev->offset;
1047 }
1048
1049 static int sony_nc_update_status_ng(struct backlight_device *bd)
1050 {
1051 int value, result;
1052 struct sony_backlight_props *sdev =
1053 (struct sony_backlight_props *)bl_get_data(bd);
1054
1055 value = bd->props.brightness + sdev->offset;
1056 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1057 &result))
1058 return -EIO;
1059
1060 return value;
1061 }
1062
1063 static const struct backlight_ops sony_backlight_ops = {
1064 .options = BL_CORE_SUSPENDRESUME,
1065 .update_status = sony_backlight_update_status,
1066 .get_brightness = sony_backlight_get_brightness,
1067 };
1068 static const struct backlight_ops sony_backlight_ng_ops = {
1069 .options = BL_CORE_SUSPENDRESUME,
1070 .update_status = sony_nc_update_status_ng,
1071 .get_brightness = sony_nc_get_brightness_ng,
1072 };
1073
1074 /*
1075 * New SNC-only Vaios event mapping to driver known keys
1076 */
1077 struct sony_nc_event {
1078 u8 data;
1079 u8 event;
1080 };
1081
1082 static struct sony_nc_event sony_100_events[] = {
1083 { 0x90, SONYPI_EVENT_PKEY_P1 },
1084 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1085 { 0x91, SONYPI_EVENT_PKEY_P2 },
1086 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1087 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1088 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1089 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1090 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1091 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1092 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1093 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1094 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1095 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1096 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1097 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1098 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1099 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1100 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1101 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1102 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1103 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1104 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1106 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1108 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1110 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1111 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1112 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1113 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1114 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1115 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1116 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1117 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1118 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1119 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1120 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1121 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1122 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1123 { 0, 0 },
1124 };
1125
1126 static struct sony_nc_event sony_127_events[] = {
1127 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1128 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1129 { 0x82, SONYPI_EVENT_PKEY_P1 },
1130 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 { 0x83, SONYPI_EVENT_PKEY_P2 },
1132 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0x84, SONYPI_EVENT_PKEY_P3 },
1134 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0x85, SONYPI_EVENT_PKEY_P4 },
1136 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0x86, SONYPI_EVENT_PKEY_P5 },
1138 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1140 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 { 0, 0 },
1142 };
1143
1144 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1145 {
1146 int ret = -EINVAL;
1147 unsigned int result = 0;
1148 struct sony_nc_event *key_event;
1149
1150 if (sony_call_snc_handle(handle, 0x200, &result)) {
1151 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1152 event);
1153 return -EINVAL;
1154 }
1155
1156 result &= 0xFF;
1157
1158 if (handle == 0x0100)
1159 key_event = sony_100_events;
1160 else
1161 key_event = sony_127_events;
1162
1163 for (; key_event->data; key_event++) {
1164 if (key_event->data == result) {
1165 ret = key_event->event;
1166 break;
1167 }
1168 }
1169
1170 if (!key_event->data)
1171 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1172 event, result, handle);
1173
1174 return ret;
1175 }
1176
1177 /*
1178 * ACPI callbacks
1179 */
1180 enum event_types {
1181 HOTKEY = 1,
1182 KILLSWITCH,
1183 GFX_SWITCH
1184 };
1185 static void sony_nc_notify(struct acpi_device *device, u32 event)
1186 {
1187 u32 real_ev = event;
1188 u8 ev_type = 0;
1189 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1190
1191 if (event >= 0x90) {
1192 unsigned int result = 0;
1193 unsigned int arg = 0;
1194 unsigned int handle = 0;
1195 unsigned int offset = event - 0x90;
1196
1197 if (offset >= ARRAY_SIZE(handles->cap)) {
1198 pr_err("Event 0x%x outside of capabilities list\n",
1199 event);
1200 return;
1201 }
1202 handle = handles->cap[offset];
1203
1204 /* list of handles known for generating events */
1205 switch (handle) {
1206 /* hotkey event */
1207 case 0x0100:
1208 case 0x0127:
1209 ev_type = HOTKEY;
1210 real_ev = sony_nc_hotkeys_decode(event, handle);
1211
1212 if (real_ev > 0)
1213 sony_laptop_report_input_event(real_ev);
1214 else
1215 /* restore the original event for reporting */
1216 real_ev = event;
1217
1218 break;
1219
1220 /* wlan switch */
1221 case 0x0124:
1222 case 0x0135:
1223 /* events on this handle are reported when the
1224 * switch changes position or for battery
1225 * events. We'll notify both of them but only
1226 * update the rfkill device status when the
1227 * switch is moved.
1228 */
1229 ev_type = KILLSWITCH;
1230 sony_call_snc_handle(handle, 0x0100, &result);
1231 real_ev = result & 0x03;
1232
1233 /* hw switch event */
1234 if (real_ev == 1)
1235 sony_nc_rfkill_update();
1236
1237 break;
1238
1239 case 0x0128:
1240 case 0x0146:
1241 /* Hybrid GFX switching */
1242 sony_call_snc_handle(handle, 0x0000, &result);
1243 dprintk("GFX switch event received (reason: %s)\n",
1244 (result & 0x01) ?
1245 "switch change" : "unknown");
1246
1247 /* verify the switch state
1248 * 1: discrete GFX
1249 * 0: integrated GFX
1250 */
1251 sony_call_snc_handle(handle, 0x0100, &result);
1252
1253 ev_type = GFX_SWITCH;
1254 real_ev = result & 0xff;
1255 break;
1256
1257 default:
1258 dprintk("Unknown event 0x%x for handle 0x%x\n",
1259 event, handle);
1260 break;
1261 }
1262
1263 /* clear the event (and the event reason when present) */
1264 arg = 1 << offset;
1265 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1266
1267 } else {
1268 /* old style event */
1269 ev_type = HOTKEY;
1270 sony_laptop_report_input_event(real_ev);
1271 }
1272
1273 acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev);
1274
1275 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1276 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1277 }
1278
1279 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1280 void *context, void **return_value)
1281 {
1282 struct acpi_device_info *info;
1283
1284 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1285 pr_warn("method: name: %4.4s, args %X\n",
1286 (char *)&info->name, info->param_count);
1287
1288 kfree(info);
1289 }
1290
1291 return AE_OK;
1292 }
1293
1294 /*
1295 * ACPI device
1296 */
1297 static void sony_nc_function_setup(struct acpi_device *device,
1298 struct platform_device *pf_device)
1299 {
1300 unsigned int i, result, bitmask, arg;
1301
1302 if (!handles)
1303 return;
1304
1305 /* setup found handles here */
1306 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1307 unsigned int handle = handles->cap[i];
1308
1309 if (!handle)
1310 continue;
1311
1312 dprintk("setting up handle 0x%.4x\n", handle);
1313
1314 switch (handle) {
1315 case 0x0100:
1316 case 0x0101:
1317 case 0x0127:
1318 /* setup hotkeys */
1319 sony_call_snc_handle(handle, 0, &result);
1320 break;
1321 case 0x0102:
1322 /* setup hotkeys */
1323 sony_call_snc_handle(handle, 0x100, &result);
1324 break;
1325 case 0x0105:
1326 case 0x0148:
1327 /* touchpad enable/disable */
1328 result = sony_nc_touchpad_setup(pf_device, handle);
1329 if (result)
1330 pr_err("couldn't set up touchpad control function (%d)\n",
1331 result);
1332 break;
1333 case 0x0115:
1334 case 0x0136:
1335 case 0x013f:
1336 result = sony_nc_battery_care_setup(pf_device, handle);
1337 if (result)
1338 pr_err("couldn't set up battery care function (%d)\n",
1339 result);
1340 break;
1341 case 0x0119:
1342 result = sony_nc_lid_resume_setup(pf_device);
1343 if (result)
1344 pr_err("couldn't set up lid resume function (%d)\n",
1345 result);
1346 break;
1347 case 0x0122:
1348 result = sony_nc_thermal_setup(pf_device);
1349 if (result)
1350 pr_err("couldn't set up thermal profile function (%d)\n",
1351 result);
1352 break;
1353 case 0x0131:
1354 result = sony_nc_highspeed_charging_setup(pf_device);
1355 if (result)
1356 pr_err("couldn't set up high speed charging function (%d)\n",
1357 result);
1358 break;
1359 case 0x0124:
1360 case 0x0135:
1361 result = sony_nc_rfkill_setup(device, handle);
1362 if (result)
1363 pr_err("couldn't set up rfkill support (%d)\n",
1364 result);
1365 break;
1366 case 0x0137:
1367 case 0x0143:
1368 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1369 if (result)
1370 pr_err("couldn't set up keyboard backlight function (%d)\n",
1371 result);
1372 break;
1373 default:
1374 continue;
1375 }
1376 }
1377
1378 /* Enable all events */
1379 arg = 0x10;
1380 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1381 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1382 &result);
1383 }
1384
1385 static void sony_nc_function_cleanup(struct platform_device *pd)
1386 {
1387 unsigned int i, result, bitmask, handle;
1388
1389 /* get enabled events and disable them */
1390 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1391 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1392
1393 /* cleanup handles here */
1394 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1395
1396 handle = handles->cap[i];
1397
1398 if (!handle)
1399 continue;
1400
1401 switch (handle) {
1402 case 0x0105:
1403 case 0x0148:
1404 sony_nc_touchpad_cleanup(pd);
1405 break;
1406 case 0x0115:
1407 case 0x0136:
1408 case 0x013f:
1409 sony_nc_battery_care_cleanup(pd);
1410 break;
1411 case 0x0119:
1412 sony_nc_lid_resume_cleanup(pd);
1413 break;
1414 case 0x0122:
1415 sony_nc_thermal_cleanup(pd);
1416 break;
1417 case 0x0131:
1418 sony_nc_highspeed_charging_cleanup(pd);
1419 break;
1420 case 0x0124:
1421 case 0x0135:
1422 sony_nc_rfkill_cleanup();
1423 break;
1424 case 0x0137:
1425 case 0x0143:
1426 sony_nc_kbd_backlight_cleanup(pd);
1427 break;
1428 default:
1429 continue;
1430 }
1431 }
1432
1433 /* finally cleanup the handles list */
1434 sony_nc_handles_cleanup(pd);
1435 }
1436
1437 #ifdef CONFIG_PM_SLEEP
1438 static void sony_nc_function_resume(void)
1439 {
1440 unsigned int i, result, bitmask, arg;
1441
1442 dprintk("Resuming SNC device\n");
1443
1444 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1445 unsigned int handle = handles->cap[i];
1446
1447 if (!handle)
1448 continue;
1449
1450 switch (handle) {
1451 case 0x0100:
1452 case 0x0101:
1453 case 0x0127:
1454 /* re-enable hotkeys */
1455 sony_call_snc_handle(handle, 0, &result);
1456 break;
1457 case 0x0102:
1458 /* re-enable hotkeys */
1459 sony_call_snc_handle(handle, 0x100, &result);
1460 break;
1461 case 0x0122:
1462 sony_nc_thermal_resume();
1463 break;
1464 case 0x0124:
1465 case 0x0135:
1466 sony_nc_rfkill_update();
1467 break;
1468 case 0x0137:
1469 case 0x0143:
1470 sony_nc_kbd_backlight_resume();
1471 break;
1472 default:
1473 continue;
1474 }
1475 }
1476
1477 /* Enable all events */
1478 arg = 0x10;
1479 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1480 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1481 &result);
1482 }
1483
1484 static int sony_nc_resume(struct device *dev)
1485 {
1486 struct sony_nc_value *item;
1487 acpi_handle handle;
1488
1489 for (item = sony_nc_values; item->name; item++) {
1490 int ret;
1491
1492 if (!item->valid)
1493 continue;
1494 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1495 &item->value, NULL);
1496 if (ret < 0) {
1497 pr_err("%s: %d\n", __func__, ret);
1498 break;
1499 }
1500 }
1501
1502 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1503 &handle))) {
1504 int arg = 1;
1505 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1506 dprintk("ECON Method failed\n");
1507 }
1508
1509 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1510 &handle)))
1511 sony_nc_function_resume();
1512
1513 return 0;
1514 }
1515 #endif
1516
1517 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1518
1519 static void sony_nc_rfkill_cleanup(void)
1520 {
1521 int i;
1522
1523 for (i = 0; i < N_SONY_RFKILL; i++) {
1524 if (sony_rfkill_devices[i]) {
1525 rfkill_unregister(sony_rfkill_devices[i]);
1526 rfkill_destroy(sony_rfkill_devices[i]);
1527 }
1528 }
1529 }
1530
1531 static int sony_nc_rfkill_set(void *data, bool blocked)
1532 {
1533 int result;
1534 int argument = sony_rfkill_address[(long) data] + 0x100;
1535
1536 if (!blocked)
1537 argument |= 0x070000;
1538
1539 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1540 }
1541
1542 static const struct rfkill_ops sony_rfkill_ops = {
1543 .set_block = sony_nc_rfkill_set,
1544 };
1545
1546 static int sony_nc_setup_rfkill(struct acpi_device *device,
1547 enum sony_nc_rfkill nc_type)
1548 {
1549 int err = 0;
1550 struct rfkill *rfk;
1551 enum rfkill_type type;
1552 const char *name;
1553 int result;
1554 bool hwblock, swblock;
1555
1556 switch (nc_type) {
1557 case SONY_WIFI:
1558 type = RFKILL_TYPE_WLAN;
1559 name = "sony-wifi";
1560 break;
1561 case SONY_BLUETOOTH:
1562 type = RFKILL_TYPE_BLUETOOTH;
1563 name = "sony-bluetooth";
1564 break;
1565 case SONY_WWAN:
1566 type = RFKILL_TYPE_WWAN;
1567 name = "sony-wwan";
1568 break;
1569 case SONY_WIMAX:
1570 type = RFKILL_TYPE_WIMAX;
1571 name = "sony-wimax";
1572 break;
1573 default:
1574 return -EINVAL;
1575 }
1576
1577 rfk = rfkill_alloc(name, &device->dev, type,
1578 &sony_rfkill_ops, (void *)nc_type);
1579 if (!rfk)
1580 return -ENOMEM;
1581
1582 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1583 rfkill_destroy(rfk);
1584 return -1;
1585 }
1586 hwblock = !(result & 0x1);
1587
1588 if (sony_call_snc_handle(sony_rfkill_handle,
1589 sony_rfkill_address[nc_type],
1590 &result) < 0) {
1591 rfkill_destroy(rfk);
1592 return -1;
1593 }
1594 swblock = !(result & 0x2);
1595
1596 rfkill_init_sw_state(rfk, swblock);
1597 rfkill_set_hw_state(rfk, hwblock);
1598
1599 err = rfkill_register(rfk);
1600 if (err) {
1601 rfkill_destroy(rfk);
1602 return err;
1603 }
1604 sony_rfkill_devices[nc_type] = rfk;
1605 return err;
1606 }
1607
1608 static void sony_nc_rfkill_update(void)
1609 {
1610 enum sony_nc_rfkill i;
1611 int result;
1612 bool hwblock;
1613
1614 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1615 hwblock = !(result & 0x1);
1616
1617 for (i = 0; i < N_SONY_RFKILL; i++) {
1618 int argument = sony_rfkill_address[i];
1619
1620 if (!sony_rfkill_devices[i])
1621 continue;
1622
1623 if (hwblock) {
1624 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1625 /* we already know we're blocked */
1626 }
1627 continue;
1628 }
1629
1630 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1631 rfkill_set_states(sony_rfkill_devices[i],
1632 !(result & 0x2), false);
1633 }
1634 }
1635
1636 static int sony_nc_rfkill_setup(struct acpi_device *device,
1637 unsigned int handle)
1638 {
1639 u64 offset;
1640 int i;
1641 unsigned char buffer[32] = { 0 };
1642
1643 offset = sony_find_snc_handle(handle);
1644 sony_rfkill_handle = handle;
1645
1646 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1647 32);
1648 if (i < 0)
1649 return i;
1650
1651 /* The buffer is filled with magic numbers describing the devices
1652 * available, 0xff terminates the enumeration.
1653 * Known codes:
1654 * 0x00 WLAN
1655 * 0x10 BLUETOOTH
1656 * 0x20 WWAN GPRS-EDGE
1657 * 0x21 WWAN HSDPA
1658 * 0x22 WWAN EV-DO
1659 * 0x23 WWAN GPS
1660 * 0x25 Gobi WWAN no GPS
1661 * 0x26 Gobi WWAN + GPS
1662 * 0x28 Gobi WWAN no GPS
1663 * 0x29 Gobi WWAN + GPS
1664 * 0x30 WIMAX
1665 * 0x50 Gobi WWAN no GPS
1666 * 0x51 Gobi WWAN + GPS
1667 * 0x70 no SIM card slot
1668 * 0x71 SIM card slot
1669 */
1670 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1671
1672 if (buffer[i] == 0xff)
1673 break;
1674
1675 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1676
1677 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1678 sony_nc_setup_rfkill(device, SONY_WIFI);
1679
1680 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1681 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1682
1683 if (((0xf0 & buffer[i]) == 0x20 ||
1684 (0xf0 & buffer[i]) == 0x50) &&
1685 !sony_rfkill_devices[SONY_WWAN])
1686 sony_nc_setup_rfkill(device, SONY_WWAN);
1687
1688 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1689 sony_nc_setup_rfkill(device, SONY_WIMAX);
1690 }
1691 return 0;
1692 }
1693
1694 /* Keyboard backlight feature */
1695 struct kbd_backlight {
1696 unsigned int handle;
1697 unsigned int base;
1698 unsigned int mode;
1699 unsigned int timeout;
1700 struct device_attribute mode_attr;
1701 struct device_attribute timeout_attr;
1702 };
1703
1704 static struct kbd_backlight *kbdbl_ctl;
1705
1706 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1707 {
1708 int result;
1709
1710 if (value > 1)
1711 return -EINVAL;
1712
1713 if (sony_call_snc_handle(kbdbl_ctl->handle,
1714 (value << 0x10) | (kbdbl_ctl->base), &result))
1715 return -EIO;
1716
1717 /* Try to turn the light on/off immediately */
1718 sony_call_snc_handle(kbdbl_ctl->handle,
1719 (value << 0x10) | (kbdbl_ctl->base + 0x100), &result);
1720
1721 kbdbl_ctl->mode = value;
1722
1723 return 0;
1724 }
1725
1726 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1727 struct device_attribute *attr,
1728 const char *buffer, size_t count)
1729 {
1730 int ret = 0;
1731 unsigned long value;
1732
1733 if (count > 31)
1734 return -EINVAL;
1735
1736 if (kstrtoul(buffer, 10, &value))
1737 return -EINVAL;
1738
1739 ret = __sony_nc_kbd_backlight_mode_set(value);
1740 if (ret < 0)
1741 return ret;
1742
1743 return count;
1744 }
1745
1746 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1747 struct device_attribute *attr, char *buffer)
1748 {
1749 ssize_t count = 0;
1750 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1751 return count;
1752 }
1753
1754 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1755 {
1756 int result;
1757
1758 if (value > 3)
1759 return -EINVAL;
1760
1761 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1762 (kbdbl_ctl->base + 0x200), &result))
1763 return -EIO;
1764
1765 kbdbl_ctl->timeout = value;
1766
1767 return 0;
1768 }
1769
1770 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1771 struct device_attribute *attr,
1772 const char *buffer, size_t count)
1773 {
1774 int ret = 0;
1775 unsigned long value;
1776
1777 if (count > 31)
1778 return -EINVAL;
1779
1780 if (kstrtoul(buffer, 10, &value))
1781 return -EINVAL;
1782
1783 ret = __sony_nc_kbd_backlight_timeout_set(value);
1784 if (ret < 0)
1785 return ret;
1786
1787 return count;
1788 }
1789
1790 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1791 struct device_attribute *attr, char *buffer)
1792 {
1793 ssize_t count = 0;
1794 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1795 return count;
1796 }
1797
1798 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1799 unsigned int handle)
1800 {
1801 int result;
1802 int ret = 0;
1803
1804 /* verify the kbd backlight presence, these handles are not used for
1805 * keyboard backlight only
1806 */
1807 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1808 &result);
1809 if (ret)
1810 return ret;
1811
1812 if ((handle == 0x0137 && !(result & 0x02)) ||
1813 !(result & 0x01)) {
1814 dprintk("no backlight keyboard found\n");
1815 return 0;
1816 }
1817
1818 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1819 if (!kbdbl_ctl)
1820 return -ENOMEM;
1821
1822 kbdbl_ctl->handle = handle;
1823 if (handle == 0x0137)
1824 kbdbl_ctl->base = 0x0C00;
1825 else
1826 kbdbl_ctl->base = 0x4000;
1827
1828 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1829 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1830 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1831 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1832 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1833
1834 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1835 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1836 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1837 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1838 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1839
1840 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1841 if (ret)
1842 goto outkzalloc;
1843
1844 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1845 if (ret)
1846 goto outmode;
1847
1848 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1849 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1850
1851 return 0;
1852
1853 outmode:
1854 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1855 outkzalloc:
1856 kfree(kbdbl_ctl);
1857 kbdbl_ctl = NULL;
1858 return ret;
1859 }
1860
1861 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1862 {
1863 if (kbdbl_ctl) {
1864 int result;
1865
1866 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1867 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1868
1869 /* restore the default hw behaviour */
1870 sony_call_snc_handle(kbdbl_ctl->handle,
1871 kbdbl_ctl->base | 0x10000, &result);
1872 sony_call_snc_handle(kbdbl_ctl->handle,
1873 kbdbl_ctl->base + 0x200, &result);
1874
1875 kfree(kbdbl_ctl);
1876 kbdbl_ctl = NULL;
1877 }
1878 }
1879
1880 #ifdef CONFIG_PM_SLEEP
1881 static void sony_nc_kbd_backlight_resume(void)
1882 {
1883 int ignore = 0;
1884
1885 if (!kbdbl_ctl)
1886 return;
1887
1888 if (kbdbl_ctl->mode == 0)
1889 sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base,
1890 &ignore);
1891
1892 if (kbdbl_ctl->timeout != 0)
1893 sony_call_snc_handle(kbdbl_ctl->handle,
1894 (kbdbl_ctl->base + 0x200) |
1895 (kbdbl_ctl->timeout << 0x10), &ignore);
1896 }
1897 #endif
1898
1899 struct battery_care_control {
1900 struct device_attribute attrs[2];
1901 unsigned int handle;
1902 };
1903 static struct battery_care_control *bcare_ctl;
1904
1905 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1906 struct device_attribute *attr,
1907 const char *buffer, size_t count)
1908 {
1909 unsigned int result, cmd;
1910 unsigned long value;
1911
1912 if (count > 31)
1913 return -EINVAL;
1914
1915 if (kstrtoul(buffer, 10, &value))
1916 return -EINVAL;
1917
1918 /* limit values (2 bits):
1919 * 00 - none
1920 * 01 - 80%
1921 * 10 - 50%
1922 * 11 - 100%
1923 *
1924 * bit 0: 0 disable BCL, 1 enable BCL
1925 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1926 * bits 2,3: reserved
1927 * bits 4,5: store the limit into the EC
1928 * bits 6,7: store the limit into the battery
1929 */
1930 cmd = 0;
1931
1932 if (value > 0) {
1933 if (value <= 50)
1934 cmd = 0x20;
1935
1936 else if (value <= 80)
1937 cmd = 0x10;
1938
1939 else if (value <= 100)
1940 cmd = 0x30;
1941
1942 else
1943 return -EINVAL;
1944
1945 /*
1946 * handle 0x0115 should allow storing on battery too;
1947 * handle 0x0136 same as 0x0115 + health status;
1948 * handle 0x013f, same as 0x0136 but no storing on the battery
1949 */
1950 if (bcare_ctl->handle != 0x013f)
1951 cmd = cmd | (cmd << 2);
1952
1953 cmd = (cmd | 0x1) << 0x10;
1954 }
1955
1956 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
1957 return -EIO;
1958
1959 return count;
1960 }
1961
1962 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
1963 struct device_attribute *attr, char *buffer)
1964 {
1965 unsigned int result, status;
1966
1967 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
1968 return -EIO;
1969
1970 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
1971 switch (status) {
1972 case 1:
1973 status = 80;
1974 break;
1975 case 2:
1976 status = 50;
1977 break;
1978 case 3:
1979 status = 100;
1980 break;
1981 default:
1982 status = 0;
1983 break;
1984 }
1985
1986 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
1987 }
1988
1989 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
1990 struct device_attribute *attr, char *buffer)
1991 {
1992 ssize_t count = 0;
1993 unsigned int health;
1994
1995 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
1996 return -EIO;
1997
1998 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
1999
2000 return count;
2001 }
2002
2003 static int sony_nc_battery_care_setup(struct platform_device *pd,
2004 unsigned int handle)
2005 {
2006 int ret = 0;
2007
2008 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2009 if (!bcare_ctl)
2010 return -ENOMEM;
2011
2012 bcare_ctl->handle = handle;
2013
2014 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2015 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2016 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2017 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2018 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2019
2020 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2021 if (ret)
2022 goto outkzalloc;
2023
2024 /* 0x0115 is for models with no health reporting capability */
2025 if (handle == 0x0115)
2026 return 0;
2027
2028 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2029 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2030 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2031 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2032
2033 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2034 if (ret)
2035 goto outlimiter;
2036
2037 return 0;
2038
2039 outlimiter:
2040 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2041
2042 outkzalloc:
2043 kfree(bcare_ctl);
2044 bcare_ctl = NULL;
2045
2046 return ret;
2047 }
2048
2049 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2050 {
2051 if (bcare_ctl) {
2052 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2053 if (bcare_ctl->handle != 0x0115)
2054 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2055
2056 kfree(bcare_ctl);
2057 bcare_ctl = NULL;
2058 }
2059 }
2060
2061 struct snc_thermal_ctrl {
2062 unsigned int mode;
2063 unsigned int profiles;
2064 struct device_attribute mode_attr;
2065 struct device_attribute profiles_attr;
2066 };
2067 static struct snc_thermal_ctrl *th_handle;
2068
2069 #define THM_PROFILE_MAX 3
2070 static const char * const snc_thermal_profiles[] = {
2071 "balanced",
2072 "silent",
2073 "performance"
2074 };
2075
2076 static int sony_nc_thermal_mode_set(unsigned short mode)
2077 {
2078 unsigned int result;
2079
2080 /* the thermal profile seems to be a two bit bitmask:
2081 * lsb -> silent
2082 * msb -> performance
2083 * no bit set is the normal operation and is always valid
2084 * Some vaio models only have "balanced" and "performance"
2085 */
2086 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2087 return -EINVAL;
2088
2089 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2090 return -EIO;
2091
2092 th_handle->mode = mode;
2093
2094 return 0;
2095 }
2096
2097 static int sony_nc_thermal_mode_get(void)
2098 {
2099 unsigned int result;
2100
2101 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2102 return -EIO;
2103
2104 return result & 0xff;
2105 }
2106
2107 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2108 struct device_attribute *attr, char *buffer)
2109 {
2110 short cnt;
2111 size_t idx = 0;
2112
2113 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2114 if (!cnt || (th_handle->profiles & cnt))
2115 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2116 snc_thermal_profiles[cnt]);
2117 }
2118 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2119
2120 return idx;
2121 }
2122
2123 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2124 struct device_attribute *attr,
2125 const char *buffer, size_t count)
2126 {
2127 unsigned short cmd;
2128 size_t len = count;
2129
2130 if (count == 0)
2131 return -EINVAL;
2132
2133 /* skip the newline if present */
2134 if (buffer[len - 1] == '\n')
2135 len--;
2136
2137 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2138 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2139 break;
2140
2141 if (sony_nc_thermal_mode_set(cmd))
2142 return -EIO;
2143
2144 return count;
2145 }
2146
2147 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2148 struct device_attribute *attr, char *buffer)
2149 {
2150 ssize_t count = 0;
2151 int mode = sony_nc_thermal_mode_get();
2152
2153 if (mode < 0)
2154 return mode;
2155
2156 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2157
2158 return count;
2159 }
2160
2161 static int sony_nc_thermal_setup(struct platform_device *pd)
2162 {
2163 int ret = 0;
2164 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2165 if (!th_handle)
2166 return -ENOMEM;
2167
2168 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2169 if (ret) {
2170 pr_warn("couldn't to read the thermal profiles\n");
2171 goto outkzalloc;
2172 }
2173
2174 ret = sony_nc_thermal_mode_get();
2175 if (ret < 0) {
2176 pr_warn("couldn't to read the current thermal profile");
2177 goto outkzalloc;
2178 }
2179 th_handle->mode = ret;
2180
2181 sysfs_attr_init(&th_handle->profiles_attr.attr);
2182 th_handle->profiles_attr.attr.name = "thermal_profiles";
2183 th_handle->profiles_attr.attr.mode = S_IRUGO;
2184 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2185
2186 sysfs_attr_init(&th_handle->mode_attr.attr);
2187 th_handle->mode_attr.attr.name = "thermal_control";
2188 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2189 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2190 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2191
2192 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2193 if (ret)
2194 goto outkzalloc;
2195
2196 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2197 if (ret)
2198 goto outprofiles;
2199
2200 return 0;
2201
2202 outprofiles:
2203 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2204 outkzalloc:
2205 kfree(th_handle);
2206 th_handle = NULL;
2207 return ret;
2208 }
2209
2210 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2211 {
2212 if (th_handle) {
2213 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2214 device_remove_file(&pd->dev, &th_handle->mode_attr);
2215 kfree(th_handle);
2216 th_handle = NULL;
2217 }
2218 }
2219
2220 #ifdef CONFIG_PM_SLEEP
2221 static void sony_nc_thermal_resume(void)
2222 {
2223 unsigned int status = sony_nc_thermal_mode_get();
2224
2225 if (status != th_handle->mode)
2226 sony_nc_thermal_mode_set(th_handle->mode);
2227 }
2228 #endif
2229
2230 /* resume on LID open */
2231 struct snc_lid_resume_control {
2232 struct device_attribute attrs[3];
2233 unsigned int status;
2234 };
2235 static struct snc_lid_resume_control *lid_ctl;
2236
2237 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2238 struct device_attribute *attr,
2239 const char *buffer, size_t count)
2240 {
2241 unsigned int result, pos;
2242 unsigned long value;
2243 if (count > 31)
2244 return -EINVAL;
2245
2246 if (kstrtoul(buffer, 10, &value) || value > 1)
2247 return -EINVAL;
2248
2249 /* the value we have to write to SNC is a bitmask:
2250 * +--------------+
2251 * | S3 | S4 | S5 |
2252 * +--------------+
2253 * 2 1 0
2254 */
2255 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2256 pos = 2;
2257 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2258 pos = 1;
2259 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2260 pos = 0;
2261 else
2262 return -EINVAL;
2263
2264 if (value)
2265 value = lid_ctl->status | (1 << pos);
2266 else
2267 value = lid_ctl->status & ~(1 << pos);
2268
2269 if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result))
2270 return -EIO;
2271
2272 lid_ctl->status = value;
2273
2274 return count;
2275 }
2276
2277 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2278 struct device_attribute *attr, char *buffer)
2279 {
2280 unsigned int pos;
2281
2282 if (strcmp(attr->attr.name, "lid_resume_S3") == 0)
2283 pos = 2;
2284 else if (strcmp(attr->attr.name, "lid_resume_S4") == 0)
2285 pos = 1;
2286 else if (strcmp(attr->attr.name, "lid_resume_S5") == 0)
2287 pos = 0;
2288 else
2289 return -EINVAL;
2290
2291 return snprintf(buffer, PAGE_SIZE, "%d\n",
2292 (lid_ctl->status >> pos) & 0x01);
2293 }
2294
2295 static int sony_nc_lid_resume_setup(struct platform_device *pd)
2296 {
2297 unsigned int result;
2298 int i;
2299
2300 if (sony_call_snc_handle(0x0119, 0x0000, &result))
2301 return -EIO;
2302
2303 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2304 if (!lid_ctl)
2305 return -ENOMEM;
2306
2307 lid_ctl->status = result & 0x7;
2308
2309 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2310 lid_ctl->attrs[0].attr.name = "lid_resume_S3";
2311 lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2312 lid_ctl->attrs[0].show = sony_nc_lid_resume_show;
2313 lid_ctl->attrs[0].store = sony_nc_lid_resume_store;
2314
2315 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2316 lid_ctl->attrs[1].attr.name = "lid_resume_S4";
2317 lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR;
2318 lid_ctl->attrs[1].show = sony_nc_lid_resume_show;
2319 lid_ctl->attrs[1].store = sony_nc_lid_resume_store;
2320
2321 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2322 lid_ctl->attrs[2].attr.name = "lid_resume_S5";
2323 lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR;
2324 lid_ctl->attrs[2].show = sony_nc_lid_resume_show;
2325 lid_ctl->attrs[2].store = sony_nc_lid_resume_store;
2326
2327 for (i = 0; i < 3; i++) {
2328 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2329 if (result)
2330 goto liderror;
2331 }
2332
2333 return 0;
2334
2335 liderror:
2336 for (; i > 0; i--)
2337 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2338
2339 kfree(lid_ctl);
2340 lid_ctl = NULL;
2341
2342 return result;
2343 }
2344
2345 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2346 {
2347 int i;
2348
2349 if (lid_ctl) {
2350 for (i = 0; i < 3; i++)
2351 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2352
2353 kfree(lid_ctl);
2354 lid_ctl = NULL;
2355 }
2356 }
2357
2358 /* High speed charging function */
2359 static struct device_attribute *hsc_handle;
2360
2361 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2362 struct device_attribute *attr,
2363 const char *buffer, size_t count)
2364 {
2365 unsigned int result;
2366 unsigned long value;
2367
2368 if (count > 31)
2369 return -EINVAL;
2370
2371 if (kstrtoul(buffer, 10, &value) || value > 1)
2372 return -EINVAL;
2373
2374 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2375 return -EIO;
2376
2377 return count;
2378 }
2379
2380 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2381 struct device_attribute *attr, char *buffer)
2382 {
2383 unsigned int result;
2384
2385 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2386 return -EIO;
2387
2388 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2389 }
2390
2391 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2392 {
2393 unsigned int result;
2394
2395 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2396 /* some models advertise the handle but have no implementation
2397 * for it
2398 */
2399 pr_info("No High Speed Charging capability found\n");
2400 return 0;
2401 }
2402
2403 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2404 if (!hsc_handle)
2405 return -ENOMEM;
2406
2407 sysfs_attr_init(&hsc_handle->attr);
2408 hsc_handle->attr.name = "battery_highspeed_charging";
2409 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2410 hsc_handle->show = sony_nc_highspeed_charging_show;
2411 hsc_handle->store = sony_nc_highspeed_charging_store;
2412
2413 result = device_create_file(&pd->dev, hsc_handle);
2414 if (result) {
2415 kfree(hsc_handle);
2416 hsc_handle = NULL;
2417 return result;
2418 }
2419
2420 return 0;
2421 }
2422
2423 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2424 {
2425 if (hsc_handle) {
2426 device_remove_file(&pd->dev, hsc_handle);
2427 kfree(hsc_handle);
2428 hsc_handle = NULL;
2429 }
2430 }
2431
2432 /* Touchpad enable/disable */
2433 struct touchpad_control {
2434 struct device_attribute attr;
2435 int handle;
2436 };
2437 static struct touchpad_control *tp_ctl;
2438
2439 static ssize_t sony_nc_touchpad_store(struct device *dev,
2440 struct device_attribute *attr, const char *buffer, size_t count)
2441 {
2442 unsigned int result;
2443 unsigned long value;
2444
2445 if (count > 31)
2446 return -EINVAL;
2447
2448 if (kstrtoul(buffer, 10, &value) || value > 1)
2449 return -EINVAL;
2450
2451 /* sysfs: 0 disabled, 1 enabled
2452 * EC: 0 enabled, 1 disabled
2453 */
2454 if (sony_call_snc_handle(tp_ctl->handle,
2455 (!value << 0x10) | 0x100, &result))
2456 return -EIO;
2457
2458 return count;
2459 }
2460
2461 static ssize_t sony_nc_touchpad_show(struct device *dev,
2462 struct device_attribute *attr, char *buffer)
2463 {
2464 unsigned int result;
2465
2466 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2467 return -EINVAL;
2468
2469 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2470 }
2471
2472 static int sony_nc_touchpad_setup(struct platform_device *pd,
2473 unsigned int handle)
2474 {
2475 int ret = 0;
2476
2477 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2478 if (!tp_ctl)
2479 return -ENOMEM;
2480
2481 tp_ctl->handle = handle;
2482
2483 sysfs_attr_init(&tp_ctl->attr.attr);
2484 tp_ctl->attr.attr.name = "touchpad";
2485 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
2486 tp_ctl->attr.show = sony_nc_touchpad_show;
2487 tp_ctl->attr.store = sony_nc_touchpad_store;
2488
2489 ret = device_create_file(&pd->dev, &tp_ctl->attr);
2490 if (ret) {
2491 kfree(tp_ctl);
2492 tp_ctl = NULL;
2493 }
2494
2495 return ret;
2496 }
2497
2498 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
2499 {
2500 if (tp_ctl) {
2501 device_remove_file(&pd->dev, &tp_ctl->attr);
2502 kfree(tp_ctl);
2503 tp_ctl = NULL;
2504 }
2505 }
2506
2507 static void sony_nc_backlight_ng_read_limits(int handle,
2508 struct sony_backlight_props *props)
2509 {
2510 u64 offset;
2511 int i;
2512 int lvl_table_len = 0;
2513 u8 min = 0xff, max = 0x00;
2514 unsigned char buffer[32] = { 0 };
2515
2516 props->handle = handle;
2517 props->offset = 0;
2518 props->maxlvl = 0xff;
2519
2520 offset = sony_find_snc_handle(handle);
2521
2522 /* try to read the boundaries from ACPI tables, if we fail the above
2523 * defaults should be reasonable
2524 */
2525 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
2526 32);
2527 if (i < 0)
2528 return;
2529
2530 switch (handle) {
2531 case 0x012f:
2532 case 0x0137:
2533 lvl_table_len = 9;
2534 break;
2535 case 0x143:
2536 lvl_table_len = 16;
2537 break;
2538 }
2539
2540 /* the buffer lists brightness levels available, brightness levels are
2541 * from position 0 to 8 in the array, other values are used by ALS
2542 * control.
2543 */
2544 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
2545
2546 dprintk("Brightness level: %d\n", buffer[i]);
2547
2548 if (!buffer[i])
2549 break;
2550
2551 if (buffer[i] > max)
2552 max = buffer[i];
2553 if (buffer[i] < min)
2554 min = buffer[i];
2555 }
2556 props->offset = min;
2557 props->maxlvl = max;
2558 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
2559 props->maxlvl);
2560 }
2561
2562 static void sony_nc_backlight_setup(void)
2563 {
2564 acpi_handle unused;
2565 int max_brightness = 0;
2566 const struct backlight_ops *ops = NULL;
2567 struct backlight_properties props;
2568
2569 if (sony_find_snc_handle(0x12f) >= 0) {
2570 ops = &sony_backlight_ng_ops;
2571 sony_bl_props.cmd_base = 0x0100;
2572 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
2573 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2574
2575 } else if (sony_find_snc_handle(0x137) >= 0) {
2576 ops = &sony_backlight_ng_ops;
2577 sony_bl_props.cmd_base = 0x0100;
2578 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
2579 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2580
2581 } else if (sony_find_snc_handle(0x143) >= 0) {
2582 ops = &sony_backlight_ng_ops;
2583 sony_bl_props.cmd_base = 0x3000;
2584 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
2585 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
2586
2587 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
2588 &unused))) {
2589 ops = &sony_backlight_ops;
2590 max_brightness = SONY_MAX_BRIGHTNESS - 1;
2591
2592 } else
2593 return;
2594
2595 memset(&props, 0, sizeof(struct backlight_properties));
2596 props.type = BACKLIGHT_PLATFORM;
2597 props.max_brightness = max_brightness;
2598 sony_bl_props.dev = backlight_device_register("sony", NULL,
2599 &sony_bl_props,
2600 ops, &props);
2601
2602 if (IS_ERR(sony_bl_props.dev)) {
2603 pr_warn("unable to register backlight device\n");
2604 sony_bl_props.dev = NULL;
2605 } else
2606 sony_bl_props.dev->props.brightness =
2607 ops->get_brightness(sony_bl_props.dev);
2608 }
2609
2610 static void sony_nc_backlight_cleanup(void)
2611 {
2612 if (sony_bl_props.dev)
2613 backlight_device_unregister(sony_bl_props.dev);
2614 }
2615
2616 static int sony_nc_add(struct acpi_device *device)
2617 {
2618 acpi_status status;
2619 int result = 0;
2620 acpi_handle handle;
2621 struct sony_nc_value *item;
2622
2623 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2624
2625 sony_nc_acpi_device = device;
2626 strcpy(acpi_device_class(device), "sony/hotkey");
2627
2628 sony_nc_acpi_handle = device->handle;
2629
2630 /* read device status */
2631 result = acpi_bus_get_status(device);
2632 /* bail IFF the above call was successful and the device is not present */
2633 if (!result && !device->status.present) {
2634 dprintk("Device not present\n");
2635 result = -ENODEV;
2636 goto outwalk;
2637 }
2638
2639 result = sony_pf_add();
2640 if (result)
2641 goto outpresent;
2642
2643 if (debug) {
2644 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
2645 sony_nc_acpi_handle, 1, sony_walk_callback,
2646 NULL, NULL, NULL);
2647 if (ACPI_FAILURE(status)) {
2648 pr_warn("unable to walk acpi resources\n");
2649 result = -ENODEV;
2650 goto outpresent;
2651 }
2652 }
2653
2654 result = sony_laptop_setup_input(device);
2655 if (result) {
2656 pr_err("Unable to create input devices\n");
2657 goto outplatform;
2658 }
2659
2660 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
2661 &handle))) {
2662 int arg = 1;
2663 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
2664 dprintk("ECON Method failed\n");
2665 }
2666
2667 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
2668 &handle))) {
2669 dprintk("Doing SNC setup\n");
2670 /* retrieve the available handles */
2671 result = sony_nc_handles_setup(sony_pf_device);
2672 if (!result)
2673 sony_nc_function_setup(device, sony_pf_device);
2674 }
2675
2676 /* setup input devices and helper fifo */
2677 if (acpi_video_backlight_support()) {
2678 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
2679 } else {
2680 sony_nc_backlight_setup();
2681 }
2682
2683 /* create sony_pf sysfs attributes related to the SNC device */
2684 for (item = sony_nc_values; item->name; ++item) {
2685
2686 if (!debug && item->debug)
2687 continue;
2688
2689 /* find the available acpiget as described in the DSDT */
2690 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
2691 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2692 *item->acpiget,
2693 &handle))) {
2694 dprintk("Found %s getter: %s\n",
2695 item->name, *item->acpiget);
2696 item->devattr.attr.mode |= S_IRUGO;
2697 break;
2698 }
2699 }
2700
2701 /* find the available acpiset as described in the DSDT */
2702 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
2703 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
2704 *item->acpiset,
2705 &handle))) {
2706 dprintk("Found %s setter: %s\n",
2707 item->name, *item->acpiset);
2708 item->devattr.attr.mode |= S_IWUSR;
2709 break;
2710 }
2711 }
2712
2713 if (item->devattr.attr.mode != 0) {
2714 result =
2715 device_create_file(&sony_pf_device->dev,
2716 &item->devattr);
2717 if (result)
2718 goto out_sysfs;
2719 }
2720 }
2721
2722 return 0;
2723
2724 out_sysfs:
2725 for (item = sony_nc_values; item->name; ++item) {
2726 device_remove_file(&sony_pf_device->dev, &item->devattr);
2727 }
2728 sony_nc_backlight_cleanup();
2729 sony_nc_function_cleanup(sony_pf_device);
2730 sony_nc_handles_cleanup(sony_pf_device);
2731
2732 outplatform:
2733 sony_laptop_remove_input();
2734
2735 outpresent:
2736 sony_pf_remove();
2737
2738 outwalk:
2739 sony_nc_rfkill_cleanup();
2740 return result;
2741 }
2742
2743 static int sony_nc_remove(struct acpi_device *device)
2744 {
2745 struct sony_nc_value *item;
2746
2747 sony_nc_backlight_cleanup();
2748
2749 sony_nc_acpi_device = NULL;
2750
2751 for (item = sony_nc_values; item->name; ++item) {
2752 device_remove_file(&sony_pf_device->dev, &item->devattr);
2753 }
2754
2755 sony_nc_function_cleanup(sony_pf_device);
2756 sony_nc_handles_cleanup(sony_pf_device);
2757 sony_pf_remove();
2758 sony_laptop_remove_input();
2759 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
2760
2761 return 0;
2762 }
2763
2764 static const struct acpi_device_id sony_device_ids[] = {
2765 {SONY_NC_HID, 0},
2766 {SONY_PIC_HID, 0},
2767 {"", 0},
2768 };
2769 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
2770
2771 static const struct acpi_device_id sony_nc_device_ids[] = {
2772 {SONY_NC_HID, 0},
2773 {"", 0},
2774 };
2775
2776 static struct acpi_driver sony_nc_driver = {
2777 .name = SONY_NC_DRIVER_NAME,
2778 .class = SONY_NC_CLASS,
2779 .ids = sony_nc_device_ids,
2780 .owner = THIS_MODULE,
2781 .ops = {
2782 .add = sony_nc_add,
2783 .remove = sony_nc_remove,
2784 .notify = sony_nc_notify,
2785 },
2786 .drv.pm = &sony_nc_pm,
2787 };
2788
2789 /*********** SPIC (SNY6001) Device ***********/
2790
2791 #define SONYPI_DEVICE_TYPE1 0x00000001
2792 #define SONYPI_DEVICE_TYPE2 0x00000002
2793 #define SONYPI_DEVICE_TYPE3 0x00000004
2794
2795 #define SONYPI_TYPE1_OFFSET 0x04
2796 #define SONYPI_TYPE2_OFFSET 0x12
2797 #define SONYPI_TYPE3_OFFSET 0x12
2798
2799 struct sony_pic_ioport {
2800 struct acpi_resource_io io1;
2801 struct acpi_resource_io io2;
2802 struct list_head list;
2803 };
2804
2805 struct sony_pic_irq {
2806 struct acpi_resource_irq irq;
2807 struct list_head list;
2808 };
2809
2810 struct sonypi_eventtypes {
2811 u8 data;
2812 unsigned long mask;
2813 struct sonypi_event *events;
2814 };
2815
2816 struct sony_pic_dev {
2817 struct acpi_device *acpi_dev;
2818 struct sony_pic_irq *cur_irq;
2819 struct sony_pic_ioport *cur_ioport;
2820 struct list_head interrupts;
2821 struct list_head ioports;
2822 struct mutex lock;
2823 struct sonypi_eventtypes *event_types;
2824 int (*handle_irq)(const u8, const u8);
2825 int model;
2826 u16 evport_offset;
2827 u8 camera_power;
2828 u8 bluetooth_power;
2829 u8 wwan_power;
2830 };
2831
2832 static struct sony_pic_dev spic_dev = {
2833 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
2834 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
2835 };
2836
2837 static int spic_drv_registered;
2838
2839 /* Event masks */
2840 #define SONYPI_JOGGER_MASK 0x00000001
2841 #define SONYPI_CAPTURE_MASK 0x00000002
2842 #define SONYPI_FNKEY_MASK 0x00000004
2843 #define SONYPI_BLUETOOTH_MASK 0x00000008
2844 #define SONYPI_PKEY_MASK 0x00000010
2845 #define SONYPI_BACK_MASK 0x00000020
2846 #define SONYPI_HELP_MASK 0x00000040
2847 #define SONYPI_LID_MASK 0x00000080
2848 #define SONYPI_ZOOM_MASK 0x00000100
2849 #define SONYPI_THUMBPHRASE_MASK 0x00000200
2850 #define SONYPI_MEYE_MASK 0x00000400
2851 #define SONYPI_MEMORYSTICK_MASK 0x00000800
2852 #define SONYPI_BATTERY_MASK 0x00001000
2853 #define SONYPI_WIRELESS_MASK 0x00002000
2854
2855 struct sonypi_event {
2856 u8 data;
2857 u8 event;
2858 };
2859
2860 /* The set of possible button release events */
2861 static struct sonypi_event sonypi_releaseev[] = {
2862 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
2863 { 0, 0 }
2864 };
2865
2866 /* The set of possible jogger events */
2867 static struct sonypi_event sonypi_joggerev[] = {
2868 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
2869 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
2870 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
2871 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
2872 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
2873 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
2874 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
2875 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
2876 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
2877 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
2878 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
2879 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
2880 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
2881 { 0, 0 }
2882 };
2883
2884 /* The set of possible capture button events */
2885 static struct sonypi_event sonypi_captureev[] = {
2886 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
2887 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
2888 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
2889 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
2890 { 0, 0 }
2891 };
2892
2893 /* The set of possible fnkeys events */
2894 static struct sonypi_event sonypi_fnkeyev[] = {
2895 { 0x10, SONYPI_EVENT_FNKEY_ESC },
2896 { 0x11, SONYPI_EVENT_FNKEY_F1 },
2897 { 0x12, SONYPI_EVENT_FNKEY_F2 },
2898 { 0x13, SONYPI_EVENT_FNKEY_F3 },
2899 { 0x14, SONYPI_EVENT_FNKEY_F4 },
2900 { 0x15, SONYPI_EVENT_FNKEY_F5 },
2901 { 0x16, SONYPI_EVENT_FNKEY_F6 },
2902 { 0x17, SONYPI_EVENT_FNKEY_F7 },
2903 { 0x18, SONYPI_EVENT_FNKEY_F8 },
2904 { 0x19, SONYPI_EVENT_FNKEY_F9 },
2905 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
2906 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
2907 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
2908 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
2909 { 0x21, SONYPI_EVENT_FNKEY_1 },
2910 { 0x22, SONYPI_EVENT_FNKEY_2 },
2911 { 0x31, SONYPI_EVENT_FNKEY_D },
2912 { 0x32, SONYPI_EVENT_FNKEY_E },
2913 { 0x33, SONYPI_EVENT_FNKEY_F },
2914 { 0x34, SONYPI_EVENT_FNKEY_S },
2915 { 0x35, SONYPI_EVENT_FNKEY_B },
2916 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
2917 { 0, 0 }
2918 };
2919
2920 /* The set of possible program key events */
2921 static struct sonypi_event sonypi_pkeyev[] = {
2922 { 0x01, SONYPI_EVENT_PKEY_P1 },
2923 { 0x02, SONYPI_EVENT_PKEY_P2 },
2924 { 0x04, SONYPI_EVENT_PKEY_P3 },
2925 { 0x20, SONYPI_EVENT_PKEY_P1 },
2926 { 0, 0 }
2927 };
2928
2929 /* The set of possible bluetooth events */
2930 static struct sonypi_event sonypi_blueev[] = {
2931 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
2932 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
2933 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
2934 { 0, 0 }
2935 };
2936
2937 /* The set of possible wireless events */
2938 static struct sonypi_event sonypi_wlessev[] = {
2939 { 0x59, SONYPI_EVENT_IGNORE },
2940 { 0x5a, SONYPI_EVENT_IGNORE },
2941 { 0, 0 }
2942 };
2943
2944 /* The set of possible back button events */
2945 static struct sonypi_event sonypi_backev[] = {
2946 { 0x20, SONYPI_EVENT_BACK_PRESSED },
2947 { 0, 0 }
2948 };
2949
2950 /* The set of possible help button events */
2951 static struct sonypi_event sonypi_helpev[] = {
2952 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
2953 { 0, 0 }
2954 };
2955
2956
2957 /* The set of possible lid events */
2958 static struct sonypi_event sonypi_lidev[] = {
2959 { 0x51, SONYPI_EVENT_LID_CLOSED },
2960 { 0x50, SONYPI_EVENT_LID_OPENED },
2961 { 0, 0 }
2962 };
2963
2964 /* The set of possible zoom events */
2965 static struct sonypi_event sonypi_zoomev[] = {
2966 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
2967 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
2968 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2969 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2970 { 0, 0 }
2971 };
2972
2973 /* The set of possible thumbphrase events */
2974 static struct sonypi_event sonypi_thumbphraseev[] = {
2975 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
2976 { 0, 0 }
2977 };
2978
2979 /* The set of possible motioneye camera events */
2980 static struct sonypi_event sonypi_meyeev[] = {
2981 { 0x00, SONYPI_EVENT_MEYE_FACE },
2982 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
2983 { 0, 0 }
2984 };
2985
2986 /* The set of possible memorystick events */
2987 static struct sonypi_event sonypi_memorystickev[] = {
2988 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
2989 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
2990 { 0, 0 }
2991 };
2992
2993 /* The set of possible battery events */
2994 static struct sonypi_event sonypi_batteryev[] = {
2995 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
2996 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
2997 { 0, 0 }
2998 };
2999
3000 /* The set of possible volume events */
3001 static struct sonypi_event sonypi_volumeev[] = {
3002 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3003 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3004 { 0, 0 }
3005 };
3006
3007 /* The set of possible brightness events */
3008 static struct sonypi_event sonypi_brightnessev[] = {
3009 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3010 { 0, 0 }
3011 };
3012
3013 static struct sonypi_eventtypes type1_events[] = {
3014 { 0, 0xffffffff, sonypi_releaseev },
3015 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3016 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3017 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3018 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3019 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3020 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3021 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3022 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3023 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3024 { 0 },
3025 };
3026 static struct sonypi_eventtypes type2_events[] = {
3027 { 0, 0xffffffff, sonypi_releaseev },
3028 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3029 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3030 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3031 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3032 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3033 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3034 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3035 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3036 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3037 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3038 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3039 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3040 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3041 { 0 },
3042 };
3043 static struct sonypi_eventtypes type3_events[] = {
3044 { 0, 0xffffffff, sonypi_releaseev },
3045 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3046 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3047 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3048 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3049 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3050 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3051 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3052 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3053 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3054 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3055 { 0 },
3056 };
3057
3058 /* low level spic calls */
3059 #define ITERATIONS_LONG 10000
3060 #define ITERATIONS_SHORT 10
3061 #define wait_on_command(command, iterations) { \
3062 unsigned int n = iterations; \
3063 while (--n && (command)) \
3064 udelay(1); \
3065 if (!n) \
3066 dprintk("command failed at %s : %s (line %d)\n", \
3067 __FILE__, __func__, __LINE__); \
3068 }
3069
3070 static u8 sony_pic_call1(u8 dev)
3071 {
3072 u8 v1, v2;
3073
3074 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3075 ITERATIONS_LONG);
3076 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3077 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3078 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3079 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3080 return v2;
3081 }
3082
3083 static u8 sony_pic_call2(u8 dev, u8 fn)
3084 {
3085 u8 v1;
3086
3087 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3088 ITERATIONS_LONG);
3089 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3090 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3091 ITERATIONS_LONG);
3092 outb(fn, spic_dev.cur_ioport->io1.minimum);
3093 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3094 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3095 return v1;
3096 }
3097
3098 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3099 {
3100 u8 v1;
3101
3102 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3103 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3104 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3105 outb(fn, spic_dev.cur_ioport->io1.minimum);
3106 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3107 outb(v, spic_dev.cur_ioport->io1.minimum);
3108 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3109 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3110 dev, fn, v, v1);
3111 return v1;
3112 }
3113
3114 /*
3115 * minidrivers for SPIC models
3116 */
3117 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3118 {
3119 /*
3120 * 0x31 could mean we have to take some extra action and wait for
3121 * the next irq for some Type3 models, it will generate a new
3122 * irq and we can read new data from the device:
3123 * - 0x5c and 0x5f requires 0xA0
3124 * - 0x61 requires 0xB3
3125 */
3126 if (data_mask == 0x31) {
3127 if (ev == 0x5c || ev == 0x5f)
3128 sony_pic_call1(0xA0);
3129 else if (ev == 0x61)
3130 sony_pic_call1(0xB3);
3131 return 0;
3132 }
3133 return 1;
3134 }
3135
3136 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3137 {
3138 struct pci_dev *pcidev;
3139
3140 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3141 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3142 if (pcidev) {
3143 dev->model = SONYPI_DEVICE_TYPE1;
3144 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3145 dev->event_types = type1_events;
3146 goto out;
3147 }
3148
3149 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3150 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3151 if (pcidev) {
3152 dev->model = SONYPI_DEVICE_TYPE2;
3153 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3154 dev->event_types = type2_events;
3155 goto out;
3156 }
3157
3158 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3159 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3160 if (pcidev) {
3161 dev->model = SONYPI_DEVICE_TYPE3;
3162 dev->handle_irq = type3_handle_irq;
3163 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3164 dev->event_types = type3_events;
3165 goto out;
3166 }
3167
3168 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3169 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3170 if (pcidev) {
3171 dev->model = SONYPI_DEVICE_TYPE3;
3172 dev->handle_irq = type3_handle_irq;
3173 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3174 dev->event_types = type3_events;
3175 goto out;
3176 }
3177
3178 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3179 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3180 if (pcidev) {
3181 dev->model = SONYPI_DEVICE_TYPE3;
3182 dev->handle_irq = type3_handle_irq;
3183 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3184 dev->event_types = type3_events;
3185 goto out;
3186 }
3187
3188 /* default */
3189 dev->model = SONYPI_DEVICE_TYPE2;
3190 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3191 dev->event_types = type2_events;
3192
3193 out:
3194 if (pcidev)
3195 pci_dev_put(pcidev);
3196
3197 pr_info("detected Type%d model\n",
3198 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3199 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3200 }
3201
3202 /* camera tests and poweron/poweroff */
3203 #define SONYPI_CAMERA_PICTURE 5
3204 #define SONYPI_CAMERA_CONTROL 0x10
3205
3206 #define SONYPI_CAMERA_BRIGHTNESS 0
3207 #define SONYPI_CAMERA_CONTRAST 1
3208 #define SONYPI_CAMERA_HUE 2
3209 #define SONYPI_CAMERA_COLOR 3
3210 #define SONYPI_CAMERA_SHARPNESS 4
3211
3212 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3213 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3214 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3215 #define SONYPI_CAMERA_MUTE_MASK 0x40
3216
3217 /* the rest don't need a loop until not 0xff */
3218 #define SONYPI_CAMERA_AGC 6
3219 #define SONYPI_CAMERA_AGC_MASK 0x30
3220 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3221
3222 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3223 #define SONYPI_CAMERA_CONTROL 0x10
3224
3225 #define SONYPI_CAMERA_STATUS 7
3226 #define SONYPI_CAMERA_STATUS_READY 0x2
3227 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3228
3229 #define SONYPI_DIRECTION_BACKWARDS 0x4
3230
3231 #define SONYPI_CAMERA_REVISION 8
3232 #define SONYPI_CAMERA_ROMVERSION 9
3233
3234 static int __sony_pic_camera_ready(void)
3235 {
3236 u8 v;
3237
3238 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3239 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3240 }
3241
3242 static int __sony_pic_camera_off(void)
3243 {
3244 if (!camera) {
3245 pr_warn("camera control not enabled\n");
3246 return -ENODEV;
3247 }
3248
3249 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3250 SONYPI_CAMERA_MUTE_MASK),
3251 ITERATIONS_SHORT);
3252
3253 if (spic_dev.camera_power) {
3254 sony_pic_call2(0x91, 0);
3255 spic_dev.camera_power = 0;
3256 }
3257 return 0;
3258 }
3259
3260 static int __sony_pic_camera_on(void)
3261 {
3262 int i, j, x;
3263
3264 if (!camera) {
3265 pr_warn("camera control not enabled\n");
3266 return -ENODEV;
3267 }
3268
3269 if (spic_dev.camera_power)
3270 return 0;
3271
3272 for (j = 5; j > 0; j--) {
3273
3274 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3275 msleep(10);
3276 sony_pic_call1(0x93);
3277
3278 for (i = 400; i > 0; i--) {
3279 if (__sony_pic_camera_ready())
3280 break;
3281 msleep(10);
3282 }
3283 if (i)
3284 break;
3285 }
3286
3287 if (j == 0) {
3288 pr_warn("failed to power on camera\n");
3289 return -ENODEV;
3290 }
3291
3292 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3293 0x5a),
3294 ITERATIONS_SHORT);
3295
3296 spic_dev.camera_power = 1;
3297 return 0;
3298 }
3299
3300 /* External camera command (exported to the motion eye v4l driver) */
3301 int sony_pic_camera_command(int command, u8 value)
3302 {
3303 if (!camera)
3304 return -EIO;
3305
3306 mutex_lock(&spic_dev.lock);
3307
3308 switch (command) {
3309 case SONY_PIC_COMMAND_SETCAMERA:
3310 if (value)
3311 __sony_pic_camera_on();
3312 else
3313 __sony_pic_camera_off();
3314 break;
3315 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3316 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3317 ITERATIONS_SHORT);
3318 break;
3319 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3320 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3321 ITERATIONS_SHORT);
3322 break;
3323 case SONY_PIC_COMMAND_SETCAMERAHUE:
3324 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3325 ITERATIONS_SHORT);
3326 break;
3327 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3328 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3329 ITERATIONS_SHORT);
3330 break;
3331 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3332 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3333 ITERATIONS_SHORT);
3334 break;
3335 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3336 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3337 ITERATIONS_SHORT);
3338 break;
3339 case SONY_PIC_COMMAND_SETCAMERAAGC:
3340 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3341 ITERATIONS_SHORT);
3342 break;
3343 default:
3344 pr_err("sony_pic_camera_command invalid: %d\n", command);
3345 break;
3346 }
3347 mutex_unlock(&spic_dev.lock);
3348 return 0;
3349 }
3350 EXPORT_SYMBOL(sony_pic_camera_command);
3351
3352 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3353 static void __sony_pic_set_wwanpower(u8 state)
3354 {
3355 state = !!state;
3356 if (spic_dev.wwan_power == state)
3357 return;
3358 sony_pic_call2(0xB0, state);
3359 sony_pic_call1(0x82);
3360 spic_dev.wwan_power = state;
3361 }
3362
3363 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3364 struct device_attribute *attr,
3365 const char *buffer, size_t count)
3366 {
3367 unsigned long value;
3368 if (count > 31)
3369 return -EINVAL;
3370
3371 if (kstrtoul(buffer, 10, &value))
3372 return -EINVAL;
3373
3374 mutex_lock(&spic_dev.lock);
3375 __sony_pic_set_wwanpower(value);
3376 mutex_unlock(&spic_dev.lock);
3377
3378 return count;
3379 }
3380
3381 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3382 struct device_attribute *attr, char *buffer)
3383 {
3384 ssize_t count;
3385 mutex_lock(&spic_dev.lock);
3386 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3387 mutex_unlock(&spic_dev.lock);
3388 return count;
3389 }
3390
3391 /* bluetooth subsystem power state */
3392 static void __sony_pic_set_bluetoothpower(u8 state)
3393 {
3394 state = !!state;
3395 if (spic_dev.bluetooth_power == state)
3396 return;
3397 sony_pic_call2(0x96, state);
3398 sony_pic_call1(0x82);
3399 spic_dev.bluetooth_power = state;
3400 }
3401
3402 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3403 struct device_attribute *attr,
3404 const char *buffer, size_t count)
3405 {
3406 unsigned long value;
3407 if (count > 31)
3408 return -EINVAL;
3409
3410 if (kstrtoul(buffer, 10, &value))
3411 return -EINVAL;
3412
3413 mutex_lock(&spic_dev.lock);
3414 __sony_pic_set_bluetoothpower(value);
3415 mutex_unlock(&spic_dev.lock);
3416
3417 return count;
3418 }
3419
3420 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3421 struct device_attribute *attr, char *buffer)
3422 {
3423 ssize_t count = 0;
3424 mutex_lock(&spic_dev.lock);
3425 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3426 mutex_unlock(&spic_dev.lock);
3427 return count;
3428 }
3429
3430 /* fan speed */
3431 /* FAN0 information (reverse engineered from ACPI tables) */
3432 #define SONY_PIC_FAN0_STATUS 0x93
3433 static int sony_pic_set_fanspeed(unsigned long value)
3434 {
3435 return ec_write(SONY_PIC_FAN0_STATUS, value);
3436 }
3437
3438 static int sony_pic_get_fanspeed(u8 *value)
3439 {
3440 return ec_read(SONY_PIC_FAN0_STATUS, value);
3441 }
3442
3443 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3444 struct device_attribute *attr,
3445 const char *buffer, size_t count)
3446 {
3447 unsigned long value;
3448 if (count > 31)
3449 return -EINVAL;
3450
3451 if (kstrtoul(buffer, 10, &value))
3452 return -EINVAL;
3453
3454 if (sony_pic_set_fanspeed(value))
3455 return -EIO;
3456
3457 return count;
3458 }
3459
3460 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3461 struct device_attribute *attr, char *buffer)
3462 {
3463 u8 value = 0;
3464 if (sony_pic_get_fanspeed(&value))
3465 return -EIO;
3466
3467 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3468 }
3469
3470 #define SPIC_ATTR(_name, _mode) \
3471 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3472 _mode, sony_pic_## _name ##_show, \
3473 sony_pic_## _name ##_store)
3474
3475 static SPIC_ATTR(bluetoothpower, 0644);
3476 static SPIC_ATTR(wwanpower, 0644);
3477 static SPIC_ATTR(fanspeed, 0644);
3478
3479 static struct attribute *spic_attributes[] = {
3480 &spic_attr_bluetoothpower.attr,
3481 &spic_attr_wwanpower.attr,
3482 &spic_attr_fanspeed.attr,
3483 NULL
3484 };
3485
3486 static struct attribute_group spic_attribute_group = {
3487 .attrs = spic_attributes
3488 };
3489
3490 /******** SONYPI compatibility **********/
3491 #ifdef CONFIG_SONYPI_COMPAT
3492
3493 /* battery / brightness / temperature addresses */
3494 #define SONYPI_BAT_FLAGS 0x81
3495 #define SONYPI_LCD_LIGHT 0x96
3496 #define SONYPI_BAT1_PCTRM 0xa0
3497 #define SONYPI_BAT1_LEFT 0xa2
3498 #define SONYPI_BAT1_MAXRT 0xa4
3499 #define SONYPI_BAT2_PCTRM 0xa8
3500 #define SONYPI_BAT2_LEFT 0xaa
3501 #define SONYPI_BAT2_MAXRT 0xac
3502 #define SONYPI_BAT1_MAXTK 0xb0
3503 #define SONYPI_BAT1_FULL 0xb2
3504 #define SONYPI_BAT2_MAXTK 0xb8
3505 #define SONYPI_BAT2_FULL 0xba
3506 #define SONYPI_TEMP_STATUS 0xC1
3507
3508 struct sonypi_compat_s {
3509 struct fasync_struct *fifo_async;
3510 struct kfifo fifo;
3511 spinlock_t fifo_lock;
3512 wait_queue_head_t fifo_proc_list;
3513 atomic_t open_count;
3514 };
3515 static struct sonypi_compat_s sonypi_compat = {
3516 .open_count = ATOMIC_INIT(0),
3517 };
3518
3519 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
3520 {
3521 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
3522 }
3523
3524 static int sonypi_misc_release(struct inode *inode, struct file *file)
3525 {
3526 atomic_dec(&sonypi_compat.open_count);
3527 return 0;
3528 }
3529
3530 static int sonypi_misc_open(struct inode *inode, struct file *file)
3531 {
3532 /* Flush input queue on first open */
3533 unsigned long flags;
3534
3535 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
3536
3537 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
3538 kfifo_reset(&sonypi_compat.fifo);
3539
3540 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
3541
3542 return 0;
3543 }
3544
3545 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
3546 size_t count, loff_t *pos)
3547 {
3548 ssize_t ret;
3549 unsigned char c;
3550
3551 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
3552 (file->f_flags & O_NONBLOCK))
3553 return -EAGAIN;
3554
3555 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
3556 kfifo_len(&sonypi_compat.fifo) != 0);
3557 if (ret)
3558 return ret;
3559
3560 while (ret < count &&
3561 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
3562 &sonypi_compat.fifo_lock) == sizeof(c))) {
3563 if (put_user(c, buf++))
3564 return -EFAULT;
3565 ret++;
3566 }
3567
3568 if (ret > 0) {
3569 struct inode *inode = file->f_path.dentry->d_inode;
3570 inode->i_atime = current_fs_time(inode->i_sb);
3571 }
3572
3573 return ret;
3574 }
3575
3576 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
3577 {
3578 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
3579 if (kfifo_len(&sonypi_compat.fifo))
3580 return POLLIN | POLLRDNORM;
3581 return 0;
3582 }
3583
3584 static int ec_read16(u8 addr, u16 *value)
3585 {
3586 u8 val_lb, val_hb;
3587 if (ec_read(addr, &val_lb))
3588 return -1;
3589 if (ec_read(addr + 1, &val_hb))
3590 return -1;
3591 *value = val_lb | (val_hb << 8);
3592 return 0;
3593 }
3594
3595 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
3596 unsigned long arg)
3597 {
3598 int ret = 0;
3599 void __user *argp = (void __user *)arg;
3600 u8 val8;
3601 u16 val16;
3602 int value;
3603
3604 mutex_lock(&spic_dev.lock);
3605 switch (cmd) {
3606 case SONYPI_IOCGBRT:
3607 if (sony_bl_props.dev == NULL) {
3608 ret = -EIO;
3609 break;
3610 }
3611 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
3612 &value)) {
3613 ret = -EIO;
3614 break;
3615 }
3616 val8 = ((value & 0xff) - 1) << 5;
3617 if (copy_to_user(argp, &val8, sizeof(val8)))
3618 ret = -EFAULT;
3619 break;
3620 case SONYPI_IOCSBRT:
3621 if (sony_bl_props.dev == NULL) {
3622 ret = -EIO;
3623 break;
3624 }
3625 if (copy_from_user(&val8, argp, sizeof(val8))) {
3626 ret = -EFAULT;
3627 break;
3628 }
3629 value = (val8 >> 5) + 1;
3630 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
3631 NULL)) {
3632 ret = -EIO;
3633 break;
3634 }
3635 /* sync the backlight device status */
3636 sony_bl_props.dev->props.brightness =
3637 sony_backlight_get_brightness(sony_bl_props.dev);
3638 break;
3639 case SONYPI_IOCGBAT1CAP:
3640 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
3641 ret = -EIO;
3642 break;
3643 }
3644 if (copy_to_user(argp, &val16, sizeof(val16)))
3645 ret = -EFAULT;
3646 break;
3647 case SONYPI_IOCGBAT1REM:
3648 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
3649 ret = -EIO;
3650 break;
3651 }
3652 if (copy_to_user(argp, &val16, sizeof(val16)))
3653 ret = -EFAULT;
3654 break;
3655 case SONYPI_IOCGBAT2CAP:
3656 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
3657 ret = -EIO;
3658 break;
3659 }
3660 if (copy_to_user(argp, &val16, sizeof(val16)))
3661 ret = -EFAULT;
3662 break;
3663 case SONYPI_IOCGBAT2REM:
3664 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
3665 ret = -EIO;
3666 break;
3667 }
3668 if (copy_to_user(argp, &val16, sizeof(val16)))
3669 ret = -EFAULT;
3670 break;
3671 case SONYPI_IOCGBATFLAGS:
3672 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
3673 ret = -EIO;
3674 break;
3675 }
3676 val8 &= 0x07;
3677 if (copy_to_user(argp, &val8, sizeof(val8)))
3678 ret = -EFAULT;
3679 break;
3680 case SONYPI_IOCGBLUE:
3681 val8 = spic_dev.bluetooth_power;
3682 if (copy_to_user(argp, &val8, sizeof(val8)))
3683 ret = -EFAULT;
3684 break;
3685 case SONYPI_IOCSBLUE:
3686 if (copy_from_user(&val8, argp, sizeof(val8))) {
3687 ret = -EFAULT;
3688 break;
3689 }
3690 __sony_pic_set_bluetoothpower(val8);
3691 break;
3692 /* FAN Controls */
3693 case SONYPI_IOCGFAN:
3694 if (sony_pic_get_fanspeed(&val8)) {
3695 ret = -EIO;
3696 break;
3697 }
3698 if (copy_to_user(argp, &val8, sizeof(val8)))
3699 ret = -EFAULT;
3700 break;
3701 case SONYPI_IOCSFAN:
3702 if (copy_from_user(&val8, argp, sizeof(val8))) {
3703 ret = -EFAULT;
3704 break;
3705 }
3706 if (sony_pic_set_fanspeed(val8))
3707 ret = -EIO;
3708 break;
3709 /* GET Temperature (useful under APM) */
3710 case SONYPI_IOCGTEMP:
3711 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
3712 ret = -EIO;
3713 break;
3714 }
3715 if (copy_to_user(argp, &val8, sizeof(val8)))
3716 ret = -EFAULT;
3717 break;
3718 default:
3719 ret = -EINVAL;
3720 }
3721 mutex_unlock(&spic_dev.lock);
3722 return ret;
3723 }
3724
3725 static const struct file_operations sonypi_misc_fops = {
3726 .owner = THIS_MODULE,
3727 .read = sonypi_misc_read,
3728 .poll = sonypi_misc_poll,
3729 .open = sonypi_misc_open,
3730 .release = sonypi_misc_release,
3731 .fasync = sonypi_misc_fasync,
3732 .unlocked_ioctl = sonypi_misc_ioctl,
3733 .llseek = noop_llseek,
3734 };
3735
3736 static struct miscdevice sonypi_misc_device = {
3737 .minor = MISC_DYNAMIC_MINOR,
3738 .name = "sonypi",
3739 .fops = &sonypi_misc_fops,
3740 };
3741
3742 static void sonypi_compat_report_event(u8 event)
3743 {
3744 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
3745 sizeof(event), &sonypi_compat.fifo_lock);
3746 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
3747 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
3748 }
3749
3750 static int sonypi_compat_init(void)
3751 {
3752 int error;
3753
3754 spin_lock_init(&sonypi_compat.fifo_lock);
3755 error =
3756 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
3757 if (error) {
3758 pr_err("kfifo_alloc failed\n");
3759 return error;
3760 }
3761
3762 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
3763
3764 if (minor != -1)
3765 sonypi_misc_device.minor = minor;
3766 error = misc_register(&sonypi_misc_device);
3767 if (error) {
3768 pr_err("misc_register failed\n");
3769 goto err_free_kfifo;
3770 }
3771 if (minor == -1)
3772 pr_info("device allocated minor is %d\n",
3773 sonypi_misc_device.minor);
3774
3775 return 0;
3776
3777 err_free_kfifo:
3778 kfifo_free(&sonypi_compat.fifo);
3779 return error;
3780 }
3781
3782 static void sonypi_compat_exit(void)
3783 {
3784 misc_deregister(&sonypi_misc_device);
3785 kfifo_free(&sonypi_compat.fifo);
3786 }
3787 #else
3788 static int sonypi_compat_init(void) { return 0; }
3789 static void sonypi_compat_exit(void) { }
3790 static void sonypi_compat_report_event(u8 event) { }
3791 #endif /* CONFIG_SONYPI_COMPAT */
3792
3793 /*
3794 * ACPI callbacks
3795 */
3796 static acpi_status
3797 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
3798 {
3799 u32 i;
3800 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
3801
3802 switch (resource->type) {
3803 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
3804 {
3805 /* start IO enumeration */
3806 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
3807 if (!ioport)
3808 return AE_ERROR;
3809
3810 list_add(&ioport->list, &dev->ioports);
3811 return AE_OK;
3812 }
3813
3814 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
3815 /* end IO enumeration */
3816 return AE_OK;
3817
3818 case ACPI_RESOURCE_TYPE_IRQ:
3819 {
3820 struct acpi_resource_irq *p = &resource->data.irq;
3821 struct sony_pic_irq *interrupt = NULL;
3822 if (!p || !p->interrupt_count) {
3823 /*
3824 * IRQ descriptors may have no IRQ# bits set,
3825 * particularly those those w/ _STA disabled
3826 */
3827 dprintk("Blank IRQ resource\n");
3828 return AE_OK;
3829 }
3830 for (i = 0; i < p->interrupt_count; i++) {
3831 if (!p->interrupts[i]) {
3832 pr_warn("Invalid IRQ %d\n",
3833 p->interrupts[i]);
3834 continue;
3835 }
3836 interrupt = kzalloc(sizeof(*interrupt),
3837 GFP_KERNEL);
3838 if (!interrupt)
3839 return AE_ERROR;
3840
3841 list_add(&interrupt->list, &dev->interrupts);
3842 interrupt->irq.triggering = p->triggering;
3843 interrupt->irq.polarity = p->polarity;
3844 interrupt->irq.sharable = p->sharable;
3845 interrupt->irq.interrupt_count = 1;
3846 interrupt->irq.interrupts[0] = p->interrupts[i];
3847 }
3848 return AE_OK;
3849 }
3850 case ACPI_RESOURCE_TYPE_IO:
3851 {
3852 struct acpi_resource_io *io = &resource->data.io;
3853 struct sony_pic_ioport *ioport =
3854 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
3855 if (!io) {
3856 dprintk("Blank IO resource\n");
3857 return AE_OK;
3858 }
3859
3860 if (!ioport->io1.minimum) {
3861 memcpy(&ioport->io1, io, sizeof(*io));
3862 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
3863 ioport->io1.address_length);
3864 }
3865 else if (!ioport->io2.minimum) {
3866 memcpy(&ioport->io2, io, sizeof(*io));
3867 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
3868 ioport->io2.address_length);
3869 }
3870 else {
3871 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
3872 return AE_ERROR;
3873 }
3874 return AE_OK;
3875 }
3876 default:
3877 dprintk("Resource %d isn't an IRQ nor an IO port\n",
3878 resource->type);
3879
3880 case ACPI_RESOURCE_TYPE_END_TAG:
3881 return AE_OK;
3882 }
3883 return AE_CTRL_TERMINATE;
3884 }
3885
3886 static int sony_pic_possible_resources(struct acpi_device *device)
3887 {
3888 int result = 0;
3889 acpi_status status = AE_OK;
3890
3891 if (!device)
3892 return -EINVAL;
3893
3894 /* get device status */
3895 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
3896 dprintk("Evaluating _STA\n");
3897 result = acpi_bus_get_status(device);
3898 if (result) {
3899 pr_warn("Unable to read status\n");
3900 goto end;
3901 }
3902
3903 if (!device->status.enabled)
3904 dprintk("Device disabled\n");
3905 else
3906 dprintk("Device enabled\n");
3907
3908 /*
3909 * Query and parse 'method'
3910 */
3911 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
3912 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
3913 sony_pic_read_possible_resource, &spic_dev);
3914 if (ACPI_FAILURE(status)) {
3915 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
3916 result = -ENODEV;
3917 }
3918 end:
3919 return result;
3920 }
3921
3922 /*
3923 * Disable the spic device by calling its _DIS method
3924 */
3925 static int sony_pic_disable(struct acpi_device *device)
3926 {
3927 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
3928 NULL);
3929
3930 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
3931 return -ENXIO;
3932
3933 dprintk("Device disabled\n");
3934 return 0;
3935 }
3936
3937
3938 /*
3939 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
3940 *
3941 * Call _SRS to set current resources
3942 */
3943 static int sony_pic_enable(struct acpi_device *device,
3944 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
3945 {
3946 acpi_status status;
3947 int result = 0;
3948 /* Type 1 resource layout is:
3949 * IO
3950 * IO
3951 * IRQNoFlags
3952 * End
3953 *
3954 * Type 2 and 3 resource layout is:
3955 * IO
3956 * IRQNoFlags
3957 * End
3958 */
3959 struct {
3960 struct acpi_resource res1;
3961 struct acpi_resource res2;
3962 struct acpi_resource res3;
3963 struct acpi_resource res4;
3964 } *resource;
3965 struct acpi_buffer buffer = { 0, NULL };
3966
3967 if (!ioport || !irq)
3968 return -EINVAL;
3969
3970 /* init acpi_buffer */
3971 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
3972 if (!resource)
3973 return -ENOMEM;
3974
3975 buffer.length = sizeof(*resource) + 1;
3976 buffer.pointer = resource;
3977
3978 /* setup Type 1 resources */
3979 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3980
3981 /* setup io resources */
3982 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3983 resource->res1.length = sizeof(struct acpi_resource);
3984 memcpy(&resource->res1.data.io, &ioport->io1,
3985 sizeof(struct acpi_resource_io));
3986
3987 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
3988 resource->res2.length = sizeof(struct acpi_resource);
3989 memcpy(&resource->res2.data.io, &ioport->io2,
3990 sizeof(struct acpi_resource_io));
3991
3992 /* setup irq resource */
3993 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
3994 resource->res3.length = sizeof(struct acpi_resource);
3995 memcpy(&resource->res3.data.irq, &irq->irq,
3996 sizeof(struct acpi_resource_irq));
3997 /* we requested a shared irq */
3998 resource->res3.data.irq.sharable = ACPI_SHARED;
3999
4000 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4001
4002 }
4003 /* setup Type 2/3 resources */
4004 else {
4005 /* setup io resource */
4006 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4007 resource->res1.length = sizeof(struct acpi_resource);
4008 memcpy(&resource->res1.data.io, &ioport->io1,
4009 sizeof(struct acpi_resource_io));
4010
4011 /* setup irq resource */
4012 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4013 resource->res2.length = sizeof(struct acpi_resource);
4014 memcpy(&resource->res2.data.irq, &irq->irq,
4015 sizeof(struct acpi_resource_irq));
4016 /* we requested a shared irq */
4017 resource->res2.data.irq.sharable = ACPI_SHARED;
4018
4019 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4020 }
4021
4022 /* Attempt to set the resource */
4023 dprintk("Evaluating _SRS\n");
4024 status = acpi_set_current_resources(device->handle, &buffer);
4025
4026 /* check for total failure */
4027 if (ACPI_FAILURE(status)) {
4028 pr_err("Error evaluating _SRS\n");
4029 result = -ENODEV;
4030 goto end;
4031 }
4032
4033 /* Necessary device initializations calls (from sonypi) */
4034 sony_pic_call1(0x82);
4035 sony_pic_call2(0x81, 0xff);
4036 sony_pic_call1(compat ? 0x92 : 0x82);
4037
4038 end:
4039 kfree(resource);
4040 return result;
4041 }
4042
4043 /*****************
4044 *
4045 * ISR: some event is available
4046 *
4047 *****************/
4048 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4049 {
4050 int i, j;
4051 u8 ev = 0;
4052 u8 data_mask = 0;
4053 u8 device_event = 0;
4054
4055 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4056
4057 ev = inb_p(dev->cur_ioport->io1.minimum);
4058 if (dev->cur_ioport->io2.minimum)
4059 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4060 else
4061 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4062 dev->evport_offset);
4063
4064 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4065 ev, data_mask, dev->cur_ioport->io1.minimum,
4066 dev->evport_offset);
4067
4068 if (ev == 0x00 || ev == 0xff)
4069 return IRQ_HANDLED;
4070
4071 for (i = 0; dev->event_types[i].mask; i++) {
4072
4073 if ((data_mask & dev->event_types[i].data) !=
4074 dev->event_types[i].data)
4075 continue;
4076
4077 if (!(mask & dev->event_types[i].mask))
4078 continue;
4079
4080 for (j = 0; dev->event_types[i].events[j].event; j++) {
4081 if (ev == dev->event_types[i].events[j].data) {
4082 device_event =
4083 dev->event_types[i].events[j].event;
4084 /* some events may require ignoring */
4085 if (!device_event)
4086 return IRQ_HANDLED;
4087 goto found;
4088 }
4089 }
4090 }
4091 /* Still not able to decode the event try to pass
4092 * it over to the minidriver
4093 */
4094 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4095 return IRQ_HANDLED;
4096
4097 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4098 ev, data_mask, dev->cur_ioport->io1.minimum,
4099 dev->evport_offset);
4100 return IRQ_HANDLED;
4101
4102 found:
4103 sony_laptop_report_input_event(device_event);
4104 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
4105 sonypi_compat_report_event(device_event);
4106 return IRQ_HANDLED;
4107 }
4108
4109 /*****************
4110 *
4111 * ACPI driver
4112 *
4113 *****************/
4114 static int sony_pic_remove(struct acpi_device *device)
4115 {
4116 struct sony_pic_ioport *io, *tmp_io;
4117 struct sony_pic_irq *irq, *tmp_irq;
4118
4119 if (sony_pic_disable(device)) {
4120 pr_err("Couldn't disable device\n");
4121 return -ENXIO;
4122 }
4123
4124 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4125 release_region(spic_dev.cur_ioport->io1.minimum,
4126 spic_dev.cur_ioport->io1.address_length);
4127 if (spic_dev.cur_ioport->io2.minimum)
4128 release_region(spic_dev.cur_ioport->io2.minimum,
4129 spic_dev.cur_ioport->io2.address_length);
4130
4131 sonypi_compat_exit();
4132
4133 sony_laptop_remove_input();
4134
4135 /* pf attrs */
4136 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4137 sony_pf_remove();
4138
4139 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4140 list_del(&io->list);
4141 kfree(io);
4142 }
4143 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4144 list_del(&irq->list);
4145 kfree(irq);
4146 }
4147 spic_dev.cur_ioport = NULL;
4148 spic_dev.cur_irq = NULL;
4149
4150 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4151 return 0;
4152 }
4153
4154 static int sony_pic_add(struct acpi_device *device)
4155 {
4156 int result;
4157 struct sony_pic_ioport *io, *tmp_io;
4158 struct sony_pic_irq *irq, *tmp_irq;
4159
4160 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
4161
4162 spic_dev.acpi_dev = device;
4163 strcpy(acpi_device_class(device), "sony/hotkey");
4164 sony_pic_detect_device_type(&spic_dev);
4165 mutex_init(&spic_dev.lock);
4166
4167 /* read _PRS resources */
4168 result = sony_pic_possible_resources(device);
4169 if (result) {
4170 pr_err("Unable to read possible resources\n");
4171 goto err_free_resources;
4172 }
4173
4174 /* setup input devices and helper fifo */
4175 result = sony_laptop_setup_input(device);
4176 if (result) {
4177 pr_err("Unable to create input devices\n");
4178 goto err_free_resources;
4179 }
4180
4181 if (sonypi_compat_init())
4182 goto err_remove_input;
4183
4184 /* request io port */
4185 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4186 if (request_region(io->io1.minimum, io->io1.address_length,
4187 "Sony Programmable I/O Device")) {
4188 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4189 io->io1.minimum, io->io1.maximum,
4190 io->io1.address_length);
4191 /* Type 1 have 2 ioports */
4192 if (io->io2.minimum) {
4193 if (request_region(io->io2.minimum,
4194 io->io2.address_length,
4195 "Sony Programmable I/O Device")) {
4196 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4197 io->io2.minimum, io->io2.maximum,
4198 io->io2.address_length);
4199 spic_dev.cur_ioport = io;
4200 break;
4201 }
4202 else {
4203 dprintk("Unable to get I/O port2: "
4204 "0x%.4x (0x%.4x) + 0x%.2x\n",
4205 io->io2.minimum, io->io2.maximum,
4206 io->io2.address_length);
4207 release_region(io->io1.minimum,
4208 io->io1.address_length);
4209 }
4210 }
4211 else {
4212 spic_dev.cur_ioport = io;
4213 break;
4214 }
4215 }
4216 }
4217 if (!spic_dev.cur_ioport) {
4218 pr_err("Failed to request_region\n");
4219 result = -ENODEV;
4220 goto err_remove_compat;
4221 }
4222
4223 /* request IRQ */
4224 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4225 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4226 0, "sony-laptop", &spic_dev)) {
4227 dprintk("IRQ: %d - triggering: %d - "
4228 "polarity: %d - shr: %d\n",
4229 irq->irq.interrupts[0],
4230 irq->irq.triggering,
4231 irq->irq.polarity,
4232 irq->irq.sharable);
4233 spic_dev.cur_irq = irq;
4234 break;
4235 }
4236 }
4237 if (!spic_dev.cur_irq) {
4238 pr_err("Failed to request_irq\n");
4239 result = -ENODEV;
4240 goto err_release_region;
4241 }
4242
4243 /* set resource status _SRS */
4244 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4245 if (result) {
4246 pr_err("Couldn't enable device\n");
4247 goto err_free_irq;
4248 }
4249
4250 spic_dev.bluetooth_power = -1;
4251 /* create device attributes */
4252 result = sony_pf_add();
4253 if (result)
4254 goto err_disable_device;
4255
4256 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4257 if (result)
4258 goto err_remove_pf;
4259
4260 return 0;
4261
4262 err_remove_pf:
4263 sony_pf_remove();
4264
4265 err_disable_device:
4266 sony_pic_disable(device);
4267
4268 err_free_irq:
4269 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4270
4271 err_release_region:
4272 release_region(spic_dev.cur_ioport->io1.minimum,
4273 spic_dev.cur_ioport->io1.address_length);
4274 if (spic_dev.cur_ioport->io2.minimum)
4275 release_region(spic_dev.cur_ioport->io2.minimum,
4276 spic_dev.cur_ioport->io2.address_length);
4277
4278 err_remove_compat:
4279 sonypi_compat_exit();
4280
4281 err_remove_input:
4282 sony_laptop_remove_input();
4283
4284 err_free_resources:
4285 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4286 list_del(&io->list);
4287 kfree(io);
4288 }
4289 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4290 list_del(&irq->list);
4291 kfree(irq);
4292 }
4293 spic_dev.cur_ioport = NULL;
4294 spic_dev.cur_irq = NULL;
4295
4296 return result;
4297 }
4298
4299 #ifdef CONFIG_PM_SLEEP
4300 static int sony_pic_suspend(struct device *dev)
4301 {
4302 if (sony_pic_disable(to_acpi_device(dev)))
4303 return -ENXIO;
4304 return 0;
4305 }
4306
4307 static int sony_pic_resume(struct device *dev)
4308 {
4309 sony_pic_enable(to_acpi_device(dev),
4310 spic_dev.cur_ioport, spic_dev.cur_irq);
4311 return 0;
4312 }
4313 #endif
4314
4315 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4316
4317 static const struct acpi_device_id sony_pic_device_ids[] = {
4318 {SONY_PIC_HID, 0},
4319 {"", 0},
4320 };
4321
4322 static struct acpi_driver sony_pic_driver = {
4323 .name = SONY_PIC_DRIVER_NAME,
4324 .class = SONY_PIC_CLASS,
4325 .ids = sony_pic_device_ids,
4326 .owner = THIS_MODULE,
4327 .ops = {
4328 .add = sony_pic_add,
4329 .remove = sony_pic_remove,
4330 },
4331 .drv.pm = &sony_pic_pm,
4332 };
4333
4334 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4335 {
4336 .ident = "Sony Vaio",
4337 .matches = {
4338 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4339 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4340 },
4341 },
4342 {
4343 .ident = "Sony Vaio",
4344 .matches = {
4345 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4346 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4347 },
4348 },
4349 { }
4350 };
4351
4352 static int __init sony_laptop_init(void)
4353 {
4354 int result;
4355
4356 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4357 result = acpi_bus_register_driver(&sony_pic_driver);
4358 if (result) {
4359 pr_err("Unable to register SPIC driver\n");
4360 goto out;
4361 }
4362 spic_drv_registered = 1;
4363 }
4364
4365 result = acpi_bus_register_driver(&sony_nc_driver);
4366 if (result) {
4367 pr_err("Unable to register SNC driver\n");
4368 goto out_unregister_pic;
4369 }
4370
4371 return 0;
4372
4373 out_unregister_pic:
4374 if (spic_drv_registered)
4375 acpi_bus_unregister_driver(&sony_pic_driver);
4376 out:
4377 return result;
4378 }
4379
4380 static void __exit sony_laptop_exit(void)
4381 {
4382 acpi_bus_unregister_driver(&sony_nc_driver);
4383 if (spic_drv_registered)
4384 acpi_bus_unregister_driver(&sony_pic_driver);
4385 }
4386
4387 module_init(sony_laptop_init);
4388 module_exit(sony_laptop_exit);
Linux kernel - Deliverables
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