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[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 <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71 #include <asm/uaccess.h>
72
73 #define dprintk(fmt, ...) \
74 do { \
75 if (debug) \
76 pr_warn(fmt, ##__VA_ARGS__); \
77 } while (0)
78
79 #define SONY_NC_CLASS "sony-nc"
80 #define SONY_NC_HID "SNY5001"
81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
82
83 #define SONY_PIC_CLASS "sony-pic"
84 #define SONY_PIC_HID "SNY6001"
85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
86
87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89 MODULE_LICENSE("GPL");
90
91 static int debug;
92 module_param(debug, int, 0);
93 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
94 "the development of this driver");
95
96 static int no_spic; /* = 0 */
97 module_param(no_spic, int, 0444);
98 MODULE_PARM_DESC(no_spic,
99 "set this if you don't want to enable the SPIC device");
100
101 static int compat; /* = 0 */
102 module_param(compat, int, 0444);
103 MODULE_PARM_DESC(compat,
104 "set this if you want to enable backward compatibility mode");
105
106 static unsigned long mask = 0xffffffff;
107 module_param(mask, ulong, 0644);
108 MODULE_PARM_DESC(mask,
109 "set this to the mask of event you want to enable (see doc)");
110
111 static int camera; /* = 0 */
112 module_param(camera, int, 0444);
113 MODULE_PARM_DESC(camera,
114 "set this to 1 to enable Motion Eye camera controls "
115 "(only use it if you have a C1VE or C1VN model)");
116
117 #ifdef CONFIG_SONYPI_COMPAT
118 static int minor = -1;
119 module_param(minor, int, 0);
120 MODULE_PARM_DESC(minor,
121 "minor number of the misc device for the SPIC compatibility code, "
122 "default is -1 (automatic)");
123 #endif
124
125 static int kbd_backlight = -1;
126 module_param(kbd_backlight, int, 0444);
127 MODULE_PARM_DESC(kbd_backlight,
128 "set this to 0 to disable keyboard backlight, "
129 "1 to enable it with automatic control and 2 to have it always "
130 "on (default: no change from current value)");
131
132 static int kbd_backlight_timeout = -1;
133 module_param(kbd_backlight_timeout, int, 0444);
134 MODULE_PARM_DESC(kbd_backlight_timeout,
135 "meaningful values vary from 0 to 3 and their meaning depends "
136 "on the model (default: no change from current value)");
137
138 #ifdef CONFIG_PM_SLEEP
139 static void sony_nc_thermal_resume(void);
140 #endif
141 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
142 unsigned int handle);
143 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
144 unsigned int handle);
145
146 static int sony_nc_battery_care_setup(struct platform_device *pd,
147 unsigned int handle);
148 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
149
150 static int sony_nc_thermal_setup(struct platform_device *pd);
151 static void sony_nc_thermal_cleanup(struct platform_device *pd);
152
153 static int sony_nc_lid_resume_setup(struct platform_device *pd,
154 unsigned int handle);
155 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
156
157 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
158 unsigned int handle);
159 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
160 static int __sony_nc_gfx_switch_status_get(void);
161
162 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
163 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
164
165 static int sony_nc_lowbatt_setup(struct platform_device *pd);
166 static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
167
168 static int sony_nc_fanspeed_setup(struct platform_device *pd);
169 static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
170
171 static int sony_nc_usb_charge_setup(struct platform_device *pd);
172 static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
173
174 static int sony_nc_panelid_setup(struct platform_device *pd);
175 static void sony_nc_panelid_cleanup(struct platform_device *pd);
176
177 static int sony_nc_smart_conn_setup(struct platform_device *pd);
178 static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
179
180 static int sony_nc_touchpad_setup(struct platform_device *pd,
181 unsigned int handle);
182 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
183
184 enum sony_nc_rfkill {
185 SONY_WIFI,
186 SONY_BLUETOOTH,
187 SONY_WWAN,
188 SONY_WIMAX,
189 N_SONY_RFKILL,
190 };
191
192 static int sony_rfkill_handle;
193 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
194 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
195 static int sony_nc_rfkill_setup(struct acpi_device *device,
196 unsigned int handle);
197 static void sony_nc_rfkill_cleanup(void);
198 static void sony_nc_rfkill_update(void);
199
200 /*********** Input Devices ***********/
201
202 #define SONY_LAPTOP_BUF_SIZE 128
203 struct sony_laptop_input_s {
204 atomic_t users;
205 struct input_dev *jog_dev;
206 struct input_dev *key_dev;
207 struct kfifo fifo;
208 spinlock_t fifo_lock;
209 struct timer_list release_key_timer;
210 };
211
212 static struct sony_laptop_input_s sony_laptop_input = {
213 .users = ATOMIC_INIT(0),
214 };
215
216 struct sony_laptop_keypress {
217 struct input_dev *dev;
218 int key;
219 };
220
221 /* Correspondance table between sonypi events
222 * and input layer indexes in the keymap
223 */
224 static int sony_laptop_input_index[] = {
225 -1, /* 0 no event */
226 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
227 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
228 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
229 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
230 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
231 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
232 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
233 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
234 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
235 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
236 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
237 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
238 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
239 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
240 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
241 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
242 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
243 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
244 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
245 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
246 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
247 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
248 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
249 17, /* 24 SONYPI_EVENT_FNKEY_1 */
250 18, /* 25 SONYPI_EVENT_FNKEY_2 */
251 19, /* 26 SONYPI_EVENT_FNKEY_D */
252 20, /* 27 SONYPI_EVENT_FNKEY_E */
253 21, /* 28 SONYPI_EVENT_FNKEY_F */
254 22, /* 29 SONYPI_EVENT_FNKEY_S */
255 23, /* 30 SONYPI_EVENT_FNKEY_B */
256 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
257 25, /* 32 SONYPI_EVENT_PKEY_P1 */
258 26, /* 33 SONYPI_EVENT_PKEY_P2 */
259 27, /* 34 SONYPI_EVENT_PKEY_P3 */
260 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
261 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
262 -1, /* 37 SONYPI_EVENT_LID_OPENED */
263 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
264 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
265 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
266 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
267 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
268 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
269 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
270 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
271 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
272 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
273 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
274 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
275 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
276 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
277 43, /* 52 SONYPI_EVENT_MEYE_FACE */
278 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
279 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
280 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
281 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
282 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
283 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
284 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
285 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
286 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
287 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
288 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
289 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
290 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
291 53, /* 66 SONYPI_EVENT_PKEY_P4 */
292 54, /* 67 SONYPI_EVENT_PKEY_P5 */
293 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
294 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
295 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
296 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
297 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
298 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
299 };
300
301 static int sony_laptop_input_keycode_map[] = {
302 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
303 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
304 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
305 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
306 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
307 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
308 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
309 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
310 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
311 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
312 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
313 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
314 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
315 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
316 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
317 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
318 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
319 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
320 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
321 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
322 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
323 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
324 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
325 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
326 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
327 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
328 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
329 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
330 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
331 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
332 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
333 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
334 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
335 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
336 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
337 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
338 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
339 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
340 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
341 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
342 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
343 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
344 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
345 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
346 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
347 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
348 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
349 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
350 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
351 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
352 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
353 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
354 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
355 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
356 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
357 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
358 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
359 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
360 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
361 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
362 };
363
364 /* release buttons after a short delay if pressed */
365 static void do_sony_laptop_release_key(unsigned long unused)
366 {
367 struct sony_laptop_keypress kp;
368 unsigned long flags;
369
370 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
371
372 if (kfifo_out(&sony_laptop_input.fifo,
373 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
374 input_report_key(kp.dev, kp.key, 0);
375 input_sync(kp.dev);
376 }
377
378 /* If there is something in the fifo schedule next release. */
379 if (kfifo_len(&sony_laptop_input.fifo) != 0)
380 mod_timer(&sony_laptop_input.release_key_timer,
381 jiffies + msecs_to_jiffies(10));
382
383 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
384 }
385
386 /* forward event to the input subsystem */
387 static void sony_laptop_report_input_event(u8 event)
388 {
389 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
390 struct input_dev *key_dev = sony_laptop_input.key_dev;
391 struct sony_laptop_keypress kp = { NULL };
392 int scancode = -1;
393
394 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
395 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
396 /* Nothing, not all VAIOs generate this event */
397 return;
398 }
399
400 /* report events */
401 switch (event) {
402 /* jog_dev events */
403 case SONYPI_EVENT_JOGDIAL_UP:
404 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
405 input_report_rel(jog_dev, REL_WHEEL, 1);
406 input_sync(jog_dev);
407 return;
408
409 case SONYPI_EVENT_JOGDIAL_DOWN:
410 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
411 input_report_rel(jog_dev, REL_WHEEL, -1);
412 input_sync(jog_dev);
413 return;
414
415 /* key_dev events */
416 case SONYPI_EVENT_JOGDIAL_PRESSED:
417 kp.key = BTN_MIDDLE;
418 kp.dev = jog_dev;
419 break;
420
421 default:
422 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
423 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
424 break;
425 }
426 if ((scancode = sony_laptop_input_index[event]) != -1) {
427 kp.key = sony_laptop_input_keycode_map[scancode];
428 if (kp.key != KEY_UNKNOWN)
429 kp.dev = key_dev;
430 }
431 break;
432 }
433
434 if (kp.dev) {
435 /* if we have a scancode we emit it so we can always
436 remap the key */
437 if (scancode != -1)
438 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
439 input_report_key(kp.dev, kp.key, 1);
440 input_sync(kp.dev);
441
442 /* schedule key release */
443 kfifo_in_locked(&sony_laptop_input.fifo,
444 (unsigned char *)&kp, sizeof(kp),
445 &sony_laptop_input.fifo_lock);
446 mod_timer(&sony_laptop_input.release_key_timer,
447 jiffies + msecs_to_jiffies(10));
448 } else
449 dprintk("unknown input event %.2x\n", event);
450 }
451
452 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
453 {
454 struct input_dev *jog_dev;
455 struct input_dev *key_dev;
456 int i;
457 int error;
458
459 /* don't run again if already initialized */
460 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
461 return 0;
462
463 /* kfifo */
464 spin_lock_init(&sony_laptop_input.fifo_lock);
465 error = kfifo_alloc(&sony_laptop_input.fifo,
466 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
467 if (error) {
468 pr_err("kfifo_alloc failed\n");
469 goto err_dec_users;
470 }
471
472 setup_timer(&sony_laptop_input.release_key_timer,
473 do_sony_laptop_release_key, 0);
474
475 /* input keys */
476 key_dev = input_allocate_device();
477 if (!key_dev) {
478 error = -ENOMEM;
479 goto err_free_kfifo;
480 }
481
482 key_dev->name = "Sony Vaio Keys";
483 key_dev->id.bustype = BUS_ISA;
484 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
485 key_dev->dev.parent = &acpi_device->dev;
486
487 /* Initialize the Input Drivers: special keys */
488 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
489
490 __set_bit(EV_KEY, key_dev->evbit);
491 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
492 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
493 key_dev->keycode = &sony_laptop_input_keycode_map;
494 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
495 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
496 __clear_bit(KEY_RESERVED, key_dev->keybit);
497
498 error = input_register_device(key_dev);
499 if (error)
500 goto err_free_keydev;
501
502 sony_laptop_input.key_dev = key_dev;
503
504 /* jogdial */
505 jog_dev = input_allocate_device();
506 if (!jog_dev) {
507 error = -ENOMEM;
508 goto err_unregister_keydev;
509 }
510
511 jog_dev->name = "Sony Vaio Jogdial";
512 jog_dev->id.bustype = BUS_ISA;
513 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
514 jog_dev->dev.parent = &acpi_device->dev;
515
516 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
517 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
518
519 error = input_register_device(jog_dev);
520 if (error)
521 goto err_free_jogdev;
522
523 sony_laptop_input.jog_dev = jog_dev;
524
525 return 0;
526
527 err_free_jogdev:
528 input_free_device(jog_dev);
529
530 err_unregister_keydev:
531 input_unregister_device(key_dev);
532 /* to avoid kref underflow below at input_free_device */
533 key_dev = NULL;
534
535 err_free_keydev:
536 input_free_device(key_dev);
537
538 err_free_kfifo:
539 kfifo_free(&sony_laptop_input.fifo);
540
541 err_dec_users:
542 atomic_dec(&sony_laptop_input.users);
543 return error;
544 }
545
546 static void sony_laptop_remove_input(void)
547 {
548 struct sony_laptop_keypress kp = { NULL };
549
550 /* Cleanup only after the last user has gone */
551 if (!atomic_dec_and_test(&sony_laptop_input.users))
552 return;
553
554 del_timer_sync(&sony_laptop_input.release_key_timer);
555
556 /*
557 * Generate key-up events for remaining keys. Note that we don't
558 * need locking since nobody is adding new events to the kfifo.
559 */
560 while (kfifo_out(&sony_laptop_input.fifo,
561 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
562 input_report_key(kp.dev, kp.key, 0);
563 input_sync(kp.dev);
564 }
565
566 /* destroy input devs */
567 input_unregister_device(sony_laptop_input.key_dev);
568 sony_laptop_input.key_dev = NULL;
569
570 if (sony_laptop_input.jog_dev) {
571 input_unregister_device(sony_laptop_input.jog_dev);
572 sony_laptop_input.jog_dev = NULL;
573 }
574
575 kfifo_free(&sony_laptop_input.fifo);
576 }
577
578 /*********** Platform Device ***********/
579
580 static atomic_t sony_pf_users = ATOMIC_INIT(0);
581 static struct platform_driver sony_pf_driver = {
582 .driver = {
583 .name = "sony-laptop",
584 .owner = THIS_MODULE,
585 }
586 };
587 static struct platform_device *sony_pf_device;
588
589 static int sony_pf_add(void)
590 {
591 int ret = 0;
592
593 /* don't run again if already initialized */
594 if (atomic_add_return(1, &sony_pf_users) > 1)
595 return 0;
596
597 ret = platform_driver_register(&sony_pf_driver);
598 if (ret)
599 goto out;
600
601 sony_pf_device = platform_device_alloc("sony-laptop", -1);
602 if (!sony_pf_device) {
603 ret = -ENOMEM;
604 goto out_platform_registered;
605 }
606
607 ret = platform_device_add(sony_pf_device);
608 if (ret)
609 goto out_platform_alloced;
610
611 return 0;
612
613 out_platform_alloced:
614 platform_device_put(sony_pf_device);
615 sony_pf_device = NULL;
616 out_platform_registered:
617 platform_driver_unregister(&sony_pf_driver);
618 out:
619 atomic_dec(&sony_pf_users);
620 return ret;
621 }
622
623 static void sony_pf_remove(void)
624 {
625 /* deregister only after the last user has gone */
626 if (!atomic_dec_and_test(&sony_pf_users))
627 return;
628
629 platform_device_unregister(sony_pf_device);
630 platform_driver_unregister(&sony_pf_driver);
631 }
632
633 /*********** SNC (SNY5001) Device ***********/
634
635 /* the device uses 1-based values, while the backlight subsystem uses
636 0-based values */
637 #define SONY_MAX_BRIGHTNESS 8
638
639 #define SNC_VALIDATE_IN 0
640 #define SNC_VALIDATE_OUT 1
641
642 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
643 char *);
644 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
645 const char *, size_t);
646 static int boolean_validate(const int, const int);
647 static int brightness_default_validate(const int, const int);
648
649 struct sony_nc_value {
650 char *name; /* name of the entry */
651 char **acpiget; /* names of the ACPI get function */
652 char **acpiset; /* names of the ACPI set function */
653 int (*validate)(const int, const int); /* input/output validation */
654 int value; /* current setting */
655 int valid; /* Has ever been set */
656 int debug; /* active only in debug mode ? */
657 struct device_attribute devattr; /* sysfs attribute */
658 };
659
660 #define SNC_HANDLE_NAMES(_name, _values...) \
661 static char *snc_##_name[] = { _values, NULL }
662
663 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
664 { \
665 .name = __stringify(_name), \
666 .acpiget = _getters, \
667 .acpiset = _setters, \
668 .validate = _validate, \
669 .debug = _debug, \
670 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
671 }
672
673 #define SNC_HANDLE_NULL { .name = NULL }
674
675 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
676
677 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
678 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
679
680 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
681 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
682
683 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
684 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
685
686 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
687 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
688
689 SNC_HANDLE_NAMES(lidstate_get, "GLID");
690
691 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
692 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
693
694 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
695 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
696
697 SNC_HANDLE_NAMES(PID_get, "GPID");
698
699 SNC_HANDLE_NAMES(CTR_get, "GCTR");
700 SNC_HANDLE_NAMES(CTR_set, "SCTR");
701
702 SNC_HANDLE_NAMES(PCR_get, "GPCR");
703 SNC_HANDLE_NAMES(PCR_set, "SPCR");
704
705 SNC_HANDLE_NAMES(CMI_get, "GCMI");
706 SNC_HANDLE_NAMES(CMI_set, "SCMI");
707
708 static struct sony_nc_value sony_nc_values[] = {
709 SNC_HANDLE(brightness_default, snc_brightness_def_get,
710 snc_brightness_def_set, brightness_default_validate, 0),
711 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
712 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
713 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
714 boolean_validate, 0),
715 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
716 boolean_validate, 1),
717 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
718 boolean_validate, 0),
719 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
720 boolean_validate, 0),
721 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
722 boolean_validate, 0),
723 /* unknown methods */
724 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
725 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
726 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
727 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
728 SNC_HANDLE_NULL
729 };
730
731 static acpi_handle sony_nc_acpi_handle;
732 static struct acpi_device *sony_nc_acpi_device = NULL;
733
734 /*
735 * acpi_evaluate_object wrappers
736 * all useful calls into SNC methods take one or zero parameters and return
737 * integers or arrays.
738 */
739 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
740 u64 *value)
741 {
742 union acpi_object *result = NULL;
743 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
744 acpi_status status;
745
746 if (value) {
747 struct acpi_object_list params;
748 union acpi_object in;
749 in.type = ACPI_TYPE_INTEGER;
750 in.integer.value = *value;
751 params.count = 1;
752 params.pointer = &in;
753 status = acpi_evaluate_object(handle, method, &params, &output);
754 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
755 (unsigned int)(*value >> 32),
756 (unsigned int)*value & 0xffffffff);
757 } else {
758 status = acpi_evaluate_object(handle, method, NULL, &output);
759 dprintk("__call_snc_method: [%s]\n", method);
760 }
761
762 if (ACPI_FAILURE(status)) {
763 pr_err("Failed to evaluate [%s]\n", method);
764 return NULL;
765 }
766
767 result = (union acpi_object *) output.pointer;
768 if (!result)
769 dprintk("No return object [%s]\n", method);
770
771 return result;
772 }
773
774 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
775 int *result)
776 {
777 union acpi_object *object = NULL;
778 if (value) {
779 u64 v = *value;
780 object = __call_snc_method(handle, name, &v);
781 } else
782 object = __call_snc_method(handle, name, NULL);
783
784 if (!object)
785 return -EINVAL;
786
787 if (object->type != ACPI_TYPE_INTEGER) {
788 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
789 ACPI_TYPE_INTEGER, object->type);
790 kfree(object);
791 return -EINVAL;
792 }
793
794 if (result)
795 *result = object->integer.value;
796
797 kfree(object);
798 return 0;
799 }
800
801 #define MIN(a, b) (a > b ? b : a)
802 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
803 void *buffer, size_t buflen)
804 {
805 int ret = 0;
806 size_t len;
807 union acpi_object *object = __call_snc_method(handle, name, value);
808
809 if (!object)
810 return -EINVAL;
811
812 if (object->type == ACPI_TYPE_BUFFER) {
813 len = MIN(buflen, object->buffer.length);
814 memcpy(buffer, object->buffer.pointer, len);
815
816 } else if (object->type == ACPI_TYPE_INTEGER) {
817 len = MIN(buflen, sizeof(object->integer.value));
818 memcpy(buffer, &object->integer.value, len);
819
820 } else {
821 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
822 ACPI_TYPE_BUFFER, object->type);
823 ret = -EINVAL;
824 }
825
826 kfree(object);
827 return ret;
828 }
829
830 struct sony_nc_handles {
831 u16 cap[0x10];
832 struct device_attribute devattr;
833 };
834
835 static struct sony_nc_handles *handles;
836
837 static ssize_t sony_nc_handles_show(struct device *dev,
838 struct device_attribute *attr, char *buffer)
839 {
840 ssize_t len = 0;
841 int i;
842
843 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
844 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
845 handles->cap[i]);
846 }
847 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
848
849 return len;
850 }
851
852 static int sony_nc_handles_setup(struct platform_device *pd)
853 {
854 int i, r, result, arg;
855
856 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
857 if (!handles)
858 return -ENOMEM;
859
860 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
861 arg = i + 0x20;
862 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
863 &result);
864 if (!r) {
865 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
866 result, i);
867 handles->cap[i] = result;
868 }
869 }
870
871 if (debug) {
872 sysfs_attr_init(&handles->devattr.attr);
873 handles->devattr.attr.name = "handles";
874 handles->devattr.attr.mode = S_IRUGO;
875 handles->devattr.show = sony_nc_handles_show;
876
877 /* allow reading capabilities via sysfs */
878 if (device_create_file(&pd->dev, &handles->devattr)) {
879 kfree(handles);
880 handles = NULL;
881 return -1;
882 }
883 }
884
885 return 0;
886 }
887
888 static int sony_nc_handles_cleanup(struct platform_device *pd)
889 {
890 if (handles) {
891 if (debug)
892 device_remove_file(&pd->dev, &handles->devattr);
893 kfree(handles);
894 handles = NULL;
895 }
896 return 0;
897 }
898
899 static int sony_find_snc_handle(int handle)
900 {
901 int i;
902
903 /* not initialized yet, return early */
904 if (!handles || !handle)
905 return -EINVAL;
906
907 for (i = 0; i < 0x10; i++) {
908 if (handles->cap[i] == handle) {
909 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
910 handle, i);
911 return i;
912 }
913 }
914 dprintk("handle 0x%.4x not found\n", handle);
915 return -EINVAL;
916 }
917
918 static int sony_call_snc_handle(int handle, int argument, int *result)
919 {
920 int arg, ret = 0;
921 int offset = sony_find_snc_handle(handle);
922
923 if (offset < 0)
924 return offset;
925
926 arg = offset | argument;
927 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
928 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
929 return ret;
930 }
931
932 /*
933 * sony_nc_values input/output validate functions
934 */
935
936 /* brightness_default_validate:
937 *
938 * manipulate input output values to keep consistency with the
939 * backlight framework for which brightness values are 0-based.
940 */
941 static int brightness_default_validate(const int direction, const int value)
942 {
943 switch (direction) {
944 case SNC_VALIDATE_OUT:
945 return value - 1;
946 case SNC_VALIDATE_IN:
947 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
948 return value + 1;
949 }
950 return -EINVAL;
951 }
952
953 /* boolean_validate:
954 *
955 * on input validate boolean values 0/1, on output just pass the
956 * received value.
957 */
958 static int boolean_validate(const int direction, const int value)
959 {
960 if (direction == SNC_VALIDATE_IN) {
961 if (value != 0 && value != 1)
962 return -EINVAL;
963 }
964 return value;
965 }
966
967 /*
968 * Sysfs show/store common to all sony_nc_values
969 */
970 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
971 char *buffer)
972 {
973 int value, ret = 0;
974 struct sony_nc_value *item =
975 container_of(attr, struct sony_nc_value, devattr);
976
977 if (!*item->acpiget)
978 return -EIO;
979
980 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
981 &value);
982 if (ret < 0)
983 return -EIO;
984
985 if (item->validate)
986 value = item->validate(SNC_VALIDATE_OUT, value);
987
988 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
989 }
990
991 static ssize_t sony_nc_sysfs_store(struct device *dev,
992 struct device_attribute *attr,
993 const char *buffer, size_t count)
994 {
995 int value;
996 int ret = 0;
997 struct sony_nc_value *item =
998 container_of(attr, struct sony_nc_value, devattr);
999
1000 if (!item->acpiset)
1001 return -EIO;
1002
1003 if (count > 31)
1004 return -EINVAL;
1005
1006 if (kstrtoint(buffer, 10, &value))
1007 return -EINVAL;
1008
1009 if (item->validate)
1010 value = item->validate(SNC_VALIDATE_IN, value);
1011
1012 if (value < 0)
1013 return value;
1014
1015 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1016 &value, NULL);
1017 if (ret < 0)
1018 return -EIO;
1019
1020 item->value = value;
1021 item->valid = 1;
1022 return count;
1023 }
1024
1025
1026 /*
1027 * Backlight device
1028 */
1029 struct sony_backlight_props {
1030 struct backlight_device *dev;
1031 int handle;
1032 int cmd_base;
1033 u8 offset;
1034 u8 maxlvl;
1035 };
1036 struct sony_backlight_props sony_bl_props;
1037
1038 static int sony_backlight_update_status(struct backlight_device *bd)
1039 {
1040 int arg = bd->props.brightness + 1;
1041 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1042 }
1043
1044 static int sony_backlight_get_brightness(struct backlight_device *bd)
1045 {
1046 int value;
1047
1048 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1049 return 0;
1050 /* brightness levels are 1-based, while backlight ones are 0-based */
1051 return value - 1;
1052 }
1053
1054 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1055 {
1056 int result;
1057 struct sony_backlight_props *sdev =
1058 (struct sony_backlight_props *)bl_get_data(bd);
1059
1060 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1061
1062 return (result & 0xff) - sdev->offset;
1063 }
1064
1065 static int sony_nc_update_status_ng(struct backlight_device *bd)
1066 {
1067 int value, result;
1068 struct sony_backlight_props *sdev =
1069 (struct sony_backlight_props *)bl_get_data(bd);
1070
1071 value = bd->props.brightness + sdev->offset;
1072 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1073 &result))
1074 return -EIO;
1075
1076 return value;
1077 }
1078
1079 static const struct backlight_ops sony_backlight_ops = {
1080 .options = BL_CORE_SUSPENDRESUME,
1081 .update_status = sony_backlight_update_status,
1082 .get_brightness = sony_backlight_get_brightness,
1083 };
1084 static const struct backlight_ops sony_backlight_ng_ops = {
1085 .options = BL_CORE_SUSPENDRESUME,
1086 .update_status = sony_nc_update_status_ng,
1087 .get_brightness = sony_nc_get_brightness_ng,
1088 };
1089
1090 /*
1091 * New SNC-only Vaios event mapping to driver known keys
1092 */
1093 struct sony_nc_event {
1094 u8 data;
1095 u8 event;
1096 };
1097
1098 static struct sony_nc_event sony_100_events[] = {
1099 { 0x90, SONYPI_EVENT_PKEY_P1 },
1100 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1101 { 0x91, SONYPI_EVENT_PKEY_P2 },
1102 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1103 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1104 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1106 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1108 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1110 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1111 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1112 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1113 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1114 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1115 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1116 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1117 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1118 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1119 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1120 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1121 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1122 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1123 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1124 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1125 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1126 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1127 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1128 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1129 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1130 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1132 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1134 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1136 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1138 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 { 0xa8, SONYPI_EVENT_FNKEY_1 },
1140 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 { 0, 0 },
1142 };
1143
1144 static struct sony_nc_event sony_127_events[] = {
1145 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1146 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1147 { 0x82, SONYPI_EVENT_PKEY_P1 },
1148 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1149 { 0x83, SONYPI_EVENT_PKEY_P2 },
1150 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1151 { 0x84, SONYPI_EVENT_PKEY_P3 },
1152 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1153 { 0x85, SONYPI_EVENT_PKEY_P4 },
1154 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1155 { 0x86, SONYPI_EVENT_PKEY_P5 },
1156 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1157 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1158 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1159 { 0, 0 },
1160 };
1161
1162 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1163 {
1164 int ret = -EINVAL;
1165 unsigned int result = 0;
1166 struct sony_nc_event *key_event;
1167
1168 if (sony_call_snc_handle(handle, 0x200, &result)) {
1169 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1170 event);
1171 return -EINVAL;
1172 }
1173
1174 result &= 0xFF;
1175
1176 if (handle == 0x0100)
1177 key_event = sony_100_events;
1178 else
1179 key_event = sony_127_events;
1180
1181 for (; key_event->data; key_event++) {
1182 if (key_event->data == result) {
1183 ret = key_event->event;
1184 break;
1185 }
1186 }
1187
1188 if (!key_event->data)
1189 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1190 event, result, handle);
1191
1192 return ret;
1193 }
1194
1195 /*
1196 * ACPI callbacks
1197 */
1198 enum event_types {
1199 HOTKEY = 1,
1200 KILLSWITCH,
1201 GFX_SWITCH
1202 };
1203 static void sony_nc_notify(struct acpi_device *device, u32 event)
1204 {
1205 u32 real_ev = event;
1206 u8 ev_type = 0;
1207 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1208
1209 if (event >= 0x90) {
1210 unsigned int result = 0;
1211 unsigned int arg = 0;
1212 unsigned int handle = 0;
1213 unsigned int offset = event - 0x90;
1214
1215 if (offset >= ARRAY_SIZE(handles->cap)) {
1216 pr_err("Event 0x%x outside of capabilities list\n",
1217 event);
1218 return;
1219 }
1220 handle = handles->cap[offset];
1221
1222 /* list of handles known for generating events */
1223 switch (handle) {
1224 /* hotkey event */
1225 case 0x0100:
1226 case 0x0127:
1227 ev_type = HOTKEY;
1228 real_ev = sony_nc_hotkeys_decode(event, handle);
1229
1230 if (real_ev > 0)
1231 sony_laptop_report_input_event(real_ev);
1232 else
1233 /* restore the original event for reporting */
1234 real_ev = event;
1235
1236 break;
1237
1238 /* wlan switch */
1239 case 0x0124:
1240 case 0x0135:
1241 /* events on this handle are reported when the
1242 * switch changes position or for battery
1243 * events. We'll notify both of them but only
1244 * update the rfkill device status when the
1245 * switch is moved.
1246 */
1247 ev_type = KILLSWITCH;
1248 sony_call_snc_handle(handle, 0x0100, &result);
1249 real_ev = result & 0x03;
1250
1251 /* hw switch event */
1252 if (real_ev == 1)
1253 sony_nc_rfkill_update();
1254
1255 break;
1256
1257 case 0x0128:
1258 case 0x0146:
1259 /* Hybrid GFX switching */
1260 sony_call_snc_handle(handle, 0x0000, &result);
1261 dprintk("GFX switch event received (reason: %s)\n",
1262 (result == 0x1) ? "switch change" :
1263 (result == 0x2) ? "output switch" :
1264 (result == 0x3) ? "output switch" :
1265 "");
1266
1267 ev_type = GFX_SWITCH;
1268 real_ev = __sony_nc_gfx_switch_status_get();
1269 break;
1270
1271 case 0x015B:
1272 /* Hybrid GFX switching SVS151290S */
1273 ev_type = GFX_SWITCH;
1274 real_ev = __sony_nc_gfx_switch_status_get();
1275 break;
1276 default:
1277 dprintk("Unknown event 0x%x for handle 0x%x\n",
1278 event, handle);
1279 break;
1280 }
1281
1282 /* clear the event (and the event reason when present) */
1283 arg = 1 << offset;
1284 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1285
1286 } else {
1287 /* old style event */
1288 ev_type = HOTKEY;
1289 sony_laptop_report_input_event(real_ev);
1290 }
1291 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1292 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1293 }
1294
1295 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1296 void *context, void **return_value)
1297 {
1298 struct acpi_device_info *info;
1299
1300 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1301 pr_warn("method: name: %4.4s, args %X\n",
1302 (char *)&info->name, info->param_count);
1303
1304 kfree(info);
1305 }
1306
1307 return AE_OK;
1308 }
1309
1310 /*
1311 * ACPI device
1312 */
1313 static void sony_nc_function_setup(struct acpi_device *device,
1314 struct platform_device *pf_device)
1315 {
1316 unsigned int i, result, bitmask, arg;
1317
1318 if (!handles)
1319 return;
1320
1321 /* setup found handles here */
1322 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1323 unsigned int handle = handles->cap[i];
1324
1325 if (!handle)
1326 continue;
1327
1328 dprintk("setting up handle 0x%.4x\n", handle);
1329
1330 switch (handle) {
1331 case 0x0100:
1332 case 0x0101:
1333 case 0x0127:
1334 /* setup hotkeys */
1335 sony_call_snc_handle(handle, 0, &result);
1336 break;
1337 case 0x0102:
1338 /* setup hotkeys */
1339 sony_call_snc_handle(handle, 0x100, &result);
1340 break;
1341 case 0x0105:
1342 case 0x0148:
1343 /* touchpad enable/disable */
1344 result = sony_nc_touchpad_setup(pf_device, handle);
1345 if (result)
1346 pr_err("couldn't set up touchpad control function (%d)\n",
1347 result);
1348 break;
1349 case 0x0115:
1350 case 0x0136:
1351 case 0x013f:
1352 result = sony_nc_battery_care_setup(pf_device, handle);
1353 if (result)
1354 pr_err("couldn't set up battery care function (%d)\n",
1355 result);
1356 break;
1357 case 0x0119:
1358 case 0x015D:
1359 result = sony_nc_lid_resume_setup(pf_device, handle);
1360 if (result)
1361 pr_err("couldn't set up lid resume function (%d)\n",
1362 result);
1363 break;
1364 case 0x0122:
1365 result = sony_nc_thermal_setup(pf_device);
1366 if (result)
1367 pr_err("couldn't set up thermal profile function (%d)\n",
1368 result);
1369 break;
1370 case 0x0128:
1371 case 0x0146:
1372 case 0x015B:
1373 result = sony_nc_gfx_switch_setup(pf_device, handle);
1374 if (result)
1375 pr_err("couldn't set up GFX Switch status (%d)\n",
1376 result);
1377 break;
1378 case 0x0131:
1379 result = sony_nc_highspeed_charging_setup(pf_device);
1380 if (result)
1381 pr_err("couldn't set up high speed charging function (%d)\n",
1382 result);
1383 break;
1384 case 0x0124:
1385 case 0x0135:
1386 result = sony_nc_rfkill_setup(device, handle);
1387 if (result)
1388 pr_err("couldn't set up rfkill support (%d)\n",
1389 result);
1390 break;
1391 case 0x0137:
1392 case 0x0143:
1393 case 0x014b:
1394 case 0x014c:
1395 case 0x0163:
1396 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1397 if (result)
1398 pr_err("couldn't set up keyboard backlight function (%d)\n",
1399 result);
1400 break;
1401 case 0x0121:
1402 result = sony_nc_lowbatt_setup(pf_device);
1403 if (result)
1404 pr_err("couldn't set up low battery function (%d)\n",
1405 result);
1406 break;
1407 case 0x0149:
1408 result = sony_nc_fanspeed_setup(pf_device);
1409 if (result)
1410 pr_err("couldn't set up fan speed function (%d)\n",
1411 result);
1412 break;
1413 case 0x0155:
1414 result = sony_nc_usb_charge_setup(pf_device);
1415 if (result)
1416 pr_err("couldn't set up USB charge support (%d)\n",
1417 result);
1418 break;
1419 case 0x011D:
1420 result = sony_nc_panelid_setup(pf_device);
1421 if (result)
1422 pr_err("couldn't set up panel ID function (%d)\n",
1423 result);
1424 break;
1425 case 0x0168:
1426 result = sony_nc_smart_conn_setup(pf_device);
1427 if (result)
1428 pr_err("couldn't set up smart connect support (%d)\n",
1429 result);
1430 break;
1431 default:
1432 continue;
1433 }
1434 }
1435
1436 /* Enable all events */
1437 arg = 0x10;
1438 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1439 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1440 &result);
1441 }
1442
1443 static void sony_nc_function_cleanup(struct platform_device *pd)
1444 {
1445 unsigned int i, result, bitmask, handle;
1446
1447 /* get enabled events and disable them */
1448 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1449 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1450
1451 /* cleanup handles here */
1452 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1453
1454 handle = handles->cap[i];
1455
1456 if (!handle)
1457 continue;
1458
1459 switch (handle) {
1460 case 0x0105:
1461 case 0x0148:
1462 sony_nc_touchpad_cleanup(pd);
1463 break;
1464 case 0x0115:
1465 case 0x0136:
1466 case 0x013f:
1467 sony_nc_battery_care_cleanup(pd);
1468 break;
1469 case 0x0119:
1470 case 0x015D:
1471 sony_nc_lid_resume_cleanup(pd);
1472 break;
1473 case 0x0122:
1474 sony_nc_thermal_cleanup(pd);
1475 break;
1476 case 0x0128:
1477 case 0x0146:
1478 case 0x015B:
1479 sony_nc_gfx_switch_cleanup(pd);
1480 break;
1481 case 0x0131:
1482 sony_nc_highspeed_charging_cleanup(pd);
1483 break;
1484 case 0x0124:
1485 case 0x0135:
1486 sony_nc_rfkill_cleanup();
1487 break;
1488 case 0x0137:
1489 case 0x0143:
1490 case 0x014b:
1491 case 0x014c:
1492 case 0x0163:
1493 sony_nc_kbd_backlight_cleanup(pd, handle);
1494 break;
1495 case 0x0121:
1496 sony_nc_lowbatt_cleanup(pd);
1497 break;
1498 case 0x0149:
1499 sony_nc_fanspeed_cleanup(pd);
1500 break;
1501 case 0x0155:
1502 sony_nc_usb_charge_cleanup(pd);
1503 break;
1504 case 0x011D:
1505 sony_nc_panelid_cleanup(pd);
1506 break;
1507 case 0x0168:
1508 sony_nc_smart_conn_cleanup(pd);
1509 break;
1510 default:
1511 continue;
1512 }
1513 }
1514
1515 /* finally cleanup the handles list */
1516 sony_nc_handles_cleanup(pd);
1517 }
1518
1519 #ifdef CONFIG_PM_SLEEP
1520 static void sony_nc_function_resume(void)
1521 {
1522 unsigned int i, result, bitmask, arg;
1523
1524 dprintk("Resuming SNC device\n");
1525
1526 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1527 unsigned int handle = handles->cap[i];
1528
1529 if (!handle)
1530 continue;
1531
1532 switch (handle) {
1533 case 0x0100:
1534 case 0x0101:
1535 case 0x0127:
1536 /* re-enable hotkeys */
1537 sony_call_snc_handle(handle, 0, &result);
1538 break;
1539 case 0x0102:
1540 /* re-enable hotkeys */
1541 sony_call_snc_handle(handle, 0x100, &result);
1542 break;
1543 case 0x0122:
1544 sony_nc_thermal_resume();
1545 break;
1546 case 0x0124:
1547 case 0x0135:
1548 sony_nc_rfkill_update();
1549 break;
1550 default:
1551 continue;
1552 }
1553 }
1554
1555 /* Enable all events */
1556 arg = 0x10;
1557 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1558 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1559 &result);
1560 }
1561
1562 static int sony_nc_resume(struct device *dev)
1563 {
1564 struct sony_nc_value *item;
1565
1566 for (item = sony_nc_values; item->name; item++) {
1567 int ret;
1568
1569 if (!item->valid)
1570 continue;
1571 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1572 &item->value, NULL);
1573 if (ret < 0) {
1574 pr_err("%s: %d\n", __func__, ret);
1575 break;
1576 }
1577 }
1578
1579 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1580 int arg = 1;
1581 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1582 dprintk("ECON Method failed\n");
1583 }
1584
1585 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1586 sony_nc_function_resume();
1587
1588 return 0;
1589 }
1590 #endif
1591
1592 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1593
1594 static void sony_nc_rfkill_cleanup(void)
1595 {
1596 int i;
1597
1598 for (i = 0; i < N_SONY_RFKILL; i++) {
1599 if (sony_rfkill_devices[i]) {
1600 rfkill_unregister(sony_rfkill_devices[i]);
1601 rfkill_destroy(sony_rfkill_devices[i]);
1602 }
1603 }
1604 }
1605
1606 static int sony_nc_rfkill_set(void *data, bool blocked)
1607 {
1608 int result;
1609 int argument = sony_rfkill_address[(long) data] + 0x100;
1610
1611 if (!blocked)
1612 argument |= 0x070000;
1613
1614 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1615 }
1616
1617 static const struct rfkill_ops sony_rfkill_ops = {
1618 .set_block = sony_nc_rfkill_set,
1619 };
1620
1621 static int sony_nc_setup_rfkill(struct acpi_device *device,
1622 enum sony_nc_rfkill nc_type)
1623 {
1624 int err = 0;
1625 struct rfkill *rfk;
1626 enum rfkill_type type;
1627 const char *name;
1628 int result;
1629 bool hwblock, swblock;
1630
1631 switch (nc_type) {
1632 case SONY_WIFI:
1633 type = RFKILL_TYPE_WLAN;
1634 name = "sony-wifi";
1635 break;
1636 case SONY_BLUETOOTH:
1637 type = RFKILL_TYPE_BLUETOOTH;
1638 name = "sony-bluetooth";
1639 break;
1640 case SONY_WWAN:
1641 type = RFKILL_TYPE_WWAN;
1642 name = "sony-wwan";
1643 break;
1644 case SONY_WIMAX:
1645 type = RFKILL_TYPE_WIMAX;
1646 name = "sony-wimax";
1647 break;
1648 default:
1649 return -EINVAL;
1650 }
1651
1652 rfk = rfkill_alloc(name, &device->dev, type,
1653 &sony_rfkill_ops, (void *)nc_type);
1654 if (!rfk)
1655 return -ENOMEM;
1656
1657 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1658 rfkill_destroy(rfk);
1659 return -1;
1660 }
1661 hwblock = !(result & 0x1);
1662
1663 if (sony_call_snc_handle(sony_rfkill_handle,
1664 sony_rfkill_address[nc_type],
1665 &result) < 0) {
1666 rfkill_destroy(rfk);
1667 return -1;
1668 }
1669 swblock = !(result & 0x2);
1670
1671 rfkill_init_sw_state(rfk, swblock);
1672 rfkill_set_hw_state(rfk, hwblock);
1673
1674 err = rfkill_register(rfk);
1675 if (err) {
1676 rfkill_destroy(rfk);
1677 return err;
1678 }
1679 sony_rfkill_devices[nc_type] = rfk;
1680 return err;
1681 }
1682
1683 static void sony_nc_rfkill_update(void)
1684 {
1685 enum sony_nc_rfkill i;
1686 int result;
1687 bool hwblock;
1688
1689 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1690 hwblock = !(result & 0x1);
1691
1692 for (i = 0; i < N_SONY_RFKILL; i++) {
1693 int argument = sony_rfkill_address[i];
1694
1695 if (!sony_rfkill_devices[i])
1696 continue;
1697
1698 if (hwblock) {
1699 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1700 /* we already know we're blocked */
1701 }
1702 continue;
1703 }
1704
1705 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1706 rfkill_set_states(sony_rfkill_devices[i],
1707 !(result & 0x2), false);
1708 }
1709 }
1710
1711 static int sony_nc_rfkill_setup(struct acpi_device *device,
1712 unsigned int handle)
1713 {
1714 u64 offset;
1715 int i;
1716 unsigned char buffer[32] = { 0 };
1717
1718 offset = sony_find_snc_handle(handle);
1719 sony_rfkill_handle = handle;
1720
1721 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1722 32);
1723 if (i < 0)
1724 return i;
1725
1726 /* The buffer is filled with magic numbers describing the devices
1727 * available, 0xff terminates the enumeration.
1728 * Known codes:
1729 * 0x00 WLAN
1730 * 0x10 BLUETOOTH
1731 * 0x20 WWAN GPRS-EDGE
1732 * 0x21 WWAN HSDPA
1733 * 0x22 WWAN EV-DO
1734 * 0x23 WWAN GPS
1735 * 0x25 Gobi WWAN no GPS
1736 * 0x26 Gobi WWAN + GPS
1737 * 0x28 Gobi WWAN no GPS
1738 * 0x29 Gobi WWAN + GPS
1739 * 0x30 WIMAX
1740 * 0x50 Gobi WWAN no GPS
1741 * 0x51 Gobi WWAN + GPS
1742 * 0x70 no SIM card slot
1743 * 0x71 SIM card slot
1744 */
1745 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1746
1747 if (buffer[i] == 0xff)
1748 break;
1749
1750 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1751
1752 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1753 sony_nc_setup_rfkill(device, SONY_WIFI);
1754
1755 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1756 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1757
1758 if (((0xf0 & buffer[i]) == 0x20 ||
1759 (0xf0 & buffer[i]) == 0x50) &&
1760 !sony_rfkill_devices[SONY_WWAN])
1761 sony_nc_setup_rfkill(device, SONY_WWAN);
1762
1763 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1764 sony_nc_setup_rfkill(device, SONY_WIMAX);
1765 }
1766 return 0;
1767 }
1768
1769 /* Keyboard backlight feature */
1770 struct kbd_backlight {
1771 unsigned int handle;
1772 unsigned int base;
1773 unsigned int mode;
1774 unsigned int timeout;
1775 struct device_attribute mode_attr;
1776 struct device_attribute timeout_attr;
1777 };
1778
1779 static struct kbd_backlight *kbdbl_ctl;
1780
1781 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1782 {
1783 int result;
1784
1785 if (value > 2)
1786 return -EINVAL;
1787
1788 if (sony_call_snc_handle(kbdbl_ctl->handle,
1789 (value << 0x10) | (kbdbl_ctl->base), &result))
1790 return -EIO;
1791
1792 /* Try to turn the light on/off immediately */
1793 if (value != 1)
1794 sony_call_snc_handle(kbdbl_ctl->handle,
1795 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1796 &result);
1797
1798 kbdbl_ctl->mode = value;
1799
1800 return 0;
1801 }
1802
1803 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1804 struct device_attribute *attr,
1805 const char *buffer, size_t count)
1806 {
1807 int ret = 0;
1808 unsigned long value;
1809
1810 if (count > 31)
1811 return -EINVAL;
1812
1813 if (kstrtoul(buffer, 10, &value))
1814 return -EINVAL;
1815
1816 ret = __sony_nc_kbd_backlight_mode_set(value);
1817 if (ret < 0)
1818 return ret;
1819
1820 return count;
1821 }
1822
1823 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1824 struct device_attribute *attr, char *buffer)
1825 {
1826 ssize_t count = 0;
1827 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1828 return count;
1829 }
1830
1831 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1832 {
1833 int result;
1834
1835 if (value > 3)
1836 return -EINVAL;
1837
1838 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1839 (kbdbl_ctl->base + 0x200), &result))
1840 return -EIO;
1841
1842 kbdbl_ctl->timeout = value;
1843
1844 return 0;
1845 }
1846
1847 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1848 struct device_attribute *attr,
1849 const char *buffer, size_t count)
1850 {
1851 int ret = 0;
1852 unsigned long value;
1853
1854 if (count > 31)
1855 return -EINVAL;
1856
1857 if (kstrtoul(buffer, 10, &value))
1858 return -EINVAL;
1859
1860 ret = __sony_nc_kbd_backlight_timeout_set(value);
1861 if (ret < 0)
1862 return ret;
1863
1864 return count;
1865 }
1866
1867 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1868 struct device_attribute *attr, char *buffer)
1869 {
1870 ssize_t count = 0;
1871 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1872 return count;
1873 }
1874
1875 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1876 unsigned int handle)
1877 {
1878 int result;
1879 int ret = 0;
1880
1881 if (kbdbl_ctl) {
1882 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1883 handle, kbdbl_ctl->handle);
1884 return -EBUSY;
1885 }
1886
1887 /* verify the kbd backlight presence, these handles are not used for
1888 * keyboard backlight only
1889 */
1890 ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
1891 &result);
1892 if (ret)
1893 return ret;
1894
1895 if ((handle == 0x0137 && !(result & 0x02)) ||
1896 !(result & 0x01)) {
1897 dprintk("no backlight keyboard found\n");
1898 return 0;
1899 }
1900
1901 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1902 if (!kbdbl_ctl)
1903 return -ENOMEM;
1904
1905 kbdbl_ctl->mode = kbd_backlight;
1906 kbdbl_ctl->timeout = kbd_backlight_timeout;
1907 kbdbl_ctl->handle = handle;
1908 if (handle == 0x0137)
1909 kbdbl_ctl->base = 0x0C00;
1910 else
1911 kbdbl_ctl->base = 0x4000;
1912
1913 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1914 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1915 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1916 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1917 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1918
1919 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1920 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1921 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1922 kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1923 kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1924
1925 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1926 if (ret)
1927 goto outkzalloc;
1928
1929 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1930 if (ret)
1931 goto outmode;
1932
1933 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1934 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1935
1936 return 0;
1937
1938 outmode:
1939 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1940 outkzalloc:
1941 kfree(kbdbl_ctl);
1942 kbdbl_ctl = NULL;
1943 return ret;
1944 }
1945
1946 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1947 unsigned int handle)
1948 {
1949 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1950 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1951 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1952 kfree(kbdbl_ctl);
1953 kbdbl_ctl = NULL;
1954 }
1955 }
1956
1957 struct battery_care_control {
1958 struct device_attribute attrs[2];
1959 unsigned int handle;
1960 };
1961 static struct battery_care_control *bcare_ctl;
1962
1963 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1964 struct device_attribute *attr,
1965 const char *buffer, size_t count)
1966 {
1967 unsigned int result, cmd;
1968 unsigned long value;
1969
1970 if (count > 31)
1971 return -EINVAL;
1972
1973 if (kstrtoul(buffer, 10, &value))
1974 return -EINVAL;
1975
1976 /* limit values (2 bits):
1977 * 00 - none
1978 * 01 - 80%
1979 * 10 - 50%
1980 * 11 - 100%
1981 *
1982 * bit 0: 0 disable BCL, 1 enable BCL
1983 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1984 * bits 2,3: reserved
1985 * bits 4,5: store the limit into the EC
1986 * bits 6,7: store the limit into the battery
1987 */
1988 cmd = 0;
1989
1990 if (value > 0) {
1991 if (value <= 50)
1992 cmd = 0x20;
1993
1994 else if (value <= 80)
1995 cmd = 0x10;
1996
1997 else if (value <= 100)
1998 cmd = 0x30;
1999
2000 else
2001 return -EINVAL;
2002
2003 /*
2004 * handle 0x0115 should allow storing on battery too;
2005 * handle 0x0136 same as 0x0115 + health status;
2006 * handle 0x013f, same as 0x0136 but no storing on the battery
2007 */
2008 if (bcare_ctl->handle != 0x013f)
2009 cmd = cmd | (cmd << 2);
2010
2011 cmd = (cmd | 0x1) << 0x10;
2012 }
2013
2014 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2015 return -EIO;
2016
2017 return count;
2018 }
2019
2020 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2021 struct device_attribute *attr, char *buffer)
2022 {
2023 unsigned int result, status;
2024
2025 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2026 return -EIO;
2027
2028 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2029 switch (status) {
2030 case 1:
2031 status = 80;
2032 break;
2033 case 2:
2034 status = 50;
2035 break;
2036 case 3:
2037 status = 100;
2038 break;
2039 default:
2040 status = 0;
2041 break;
2042 }
2043
2044 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2045 }
2046
2047 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2048 struct device_attribute *attr, char *buffer)
2049 {
2050 ssize_t count = 0;
2051 unsigned int health;
2052
2053 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2054 return -EIO;
2055
2056 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2057
2058 return count;
2059 }
2060
2061 static int sony_nc_battery_care_setup(struct platform_device *pd,
2062 unsigned int handle)
2063 {
2064 int ret = 0;
2065
2066 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2067 if (!bcare_ctl)
2068 return -ENOMEM;
2069
2070 bcare_ctl->handle = handle;
2071
2072 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2073 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2074 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2075 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2076 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2077
2078 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2079 if (ret)
2080 goto outkzalloc;
2081
2082 /* 0x0115 is for models with no health reporting capability */
2083 if (handle == 0x0115)
2084 return 0;
2085
2086 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2087 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2088 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2089 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2090
2091 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2092 if (ret)
2093 goto outlimiter;
2094
2095 return 0;
2096
2097 outlimiter:
2098 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2099
2100 outkzalloc:
2101 kfree(bcare_ctl);
2102 bcare_ctl = NULL;
2103
2104 return ret;
2105 }
2106
2107 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2108 {
2109 if (bcare_ctl) {
2110 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2111 if (bcare_ctl->handle != 0x0115)
2112 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2113
2114 kfree(bcare_ctl);
2115 bcare_ctl = NULL;
2116 }
2117 }
2118
2119 struct snc_thermal_ctrl {
2120 unsigned int mode;
2121 unsigned int profiles;
2122 struct device_attribute mode_attr;
2123 struct device_attribute profiles_attr;
2124 };
2125 static struct snc_thermal_ctrl *th_handle;
2126
2127 #define THM_PROFILE_MAX 3
2128 static const char * const snc_thermal_profiles[] = {
2129 "balanced",
2130 "silent",
2131 "performance"
2132 };
2133
2134 static int sony_nc_thermal_mode_set(unsigned short mode)
2135 {
2136 unsigned int result;
2137
2138 /* the thermal profile seems to be a two bit bitmask:
2139 * lsb -> silent
2140 * msb -> performance
2141 * no bit set is the normal operation and is always valid
2142 * Some vaio models only have "balanced" and "performance"
2143 */
2144 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2145 return -EINVAL;
2146
2147 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2148 return -EIO;
2149
2150 th_handle->mode = mode;
2151
2152 return 0;
2153 }
2154
2155 static int sony_nc_thermal_mode_get(void)
2156 {
2157 unsigned int result;
2158
2159 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2160 return -EIO;
2161
2162 return result & 0xff;
2163 }
2164
2165 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2166 struct device_attribute *attr, char *buffer)
2167 {
2168 short cnt;
2169 size_t idx = 0;
2170
2171 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2172 if (!cnt || (th_handle->profiles & cnt))
2173 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2174 snc_thermal_profiles[cnt]);
2175 }
2176 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2177
2178 return idx;
2179 }
2180
2181 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2182 struct device_attribute *attr,
2183 const char *buffer, size_t count)
2184 {
2185 unsigned short cmd;
2186 size_t len = count;
2187
2188 if (count == 0)
2189 return -EINVAL;
2190
2191 /* skip the newline if present */
2192 if (buffer[len - 1] == '\n')
2193 len--;
2194
2195 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2196 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2197 break;
2198
2199 if (sony_nc_thermal_mode_set(cmd))
2200 return -EIO;
2201
2202 return count;
2203 }
2204
2205 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2206 struct device_attribute *attr, char *buffer)
2207 {
2208 ssize_t count = 0;
2209 int mode = sony_nc_thermal_mode_get();
2210
2211 if (mode < 0)
2212 return mode;
2213
2214 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2215
2216 return count;
2217 }
2218
2219 static int sony_nc_thermal_setup(struct platform_device *pd)
2220 {
2221 int ret = 0;
2222 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2223 if (!th_handle)
2224 return -ENOMEM;
2225
2226 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2227 if (ret) {
2228 pr_warn("couldn't to read the thermal profiles\n");
2229 goto outkzalloc;
2230 }
2231
2232 ret = sony_nc_thermal_mode_get();
2233 if (ret < 0) {
2234 pr_warn("couldn't to read the current thermal profile");
2235 goto outkzalloc;
2236 }
2237 th_handle->mode = ret;
2238
2239 sysfs_attr_init(&th_handle->profiles_attr.attr);
2240 th_handle->profiles_attr.attr.name = "thermal_profiles";
2241 th_handle->profiles_attr.attr.mode = S_IRUGO;
2242 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2243
2244 sysfs_attr_init(&th_handle->mode_attr.attr);
2245 th_handle->mode_attr.attr.name = "thermal_control";
2246 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2247 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2248 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2249
2250 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2251 if (ret)
2252 goto outkzalloc;
2253
2254 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2255 if (ret)
2256 goto outprofiles;
2257
2258 return 0;
2259
2260 outprofiles:
2261 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2262 outkzalloc:
2263 kfree(th_handle);
2264 th_handle = NULL;
2265 return ret;
2266 }
2267
2268 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2269 {
2270 if (th_handle) {
2271 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2272 device_remove_file(&pd->dev, &th_handle->mode_attr);
2273 kfree(th_handle);
2274 th_handle = NULL;
2275 }
2276 }
2277
2278 #ifdef CONFIG_PM_SLEEP
2279 static void sony_nc_thermal_resume(void)
2280 {
2281 unsigned int status = sony_nc_thermal_mode_get();
2282
2283 if (status != th_handle->mode)
2284 sony_nc_thermal_mode_set(th_handle->mode);
2285 }
2286 #endif
2287
2288 /* resume on LID open */
2289 #define LID_RESUME_S5 0
2290 #define LID_RESUME_S4 1
2291 #define LID_RESUME_S3 2
2292 #define LID_RESUME_MAX 3
2293 struct snc_lid_resume_control {
2294 struct device_attribute attrs[LID_RESUME_MAX];
2295 unsigned int status;
2296 int handle;
2297 };
2298 static struct snc_lid_resume_control *lid_ctl;
2299
2300 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2301 struct device_attribute *attr,
2302 const char *buffer, size_t count)
2303 {
2304 unsigned int result;
2305 unsigned long value;
2306 unsigned int pos = LID_RESUME_S5;
2307 if (count > 31)
2308 return -EINVAL;
2309
2310 if (kstrtoul(buffer, 10, &value) || value > 1)
2311 return -EINVAL;
2312
2313 /* the value we have to write to SNC is a bitmask:
2314 * +--------------+
2315 * | S3 | S4 | S5 |
2316 * +--------------+
2317 * 2 1 0
2318 */
2319 while (pos < LID_RESUME_MAX) {
2320 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2321 break;
2322 pos++;
2323 }
2324 if (pos == LID_RESUME_MAX)
2325 return -EINVAL;
2326
2327 if (value)
2328 value = lid_ctl->status | (1 << pos);
2329 else
2330 value = lid_ctl->status & ~(1 << pos);
2331
2332 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2333 &result))
2334 return -EIO;
2335
2336 lid_ctl->status = value;
2337
2338 return count;
2339 }
2340
2341 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2342 struct device_attribute *attr,
2343 char *buffer)
2344 {
2345 unsigned int pos = LID_RESUME_S5;
2346
2347 while (pos < LID_RESUME_MAX) {
2348 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2349 return snprintf(buffer, PAGE_SIZE, "%d\n",
2350 (lid_ctl->status >> pos) & 0x01);
2351 pos++;
2352 }
2353 return -EINVAL;
2354 }
2355
2356 static int sony_nc_lid_resume_setup(struct platform_device *pd,
2357 unsigned int handle)
2358 {
2359 unsigned int result;
2360 int i;
2361
2362 if (sony_call_snc_handle(handle, 0x0000, &result))
2363 return -EIO;
2364
2365 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2366 if (!lid_ctl)
2367 return -ENOMEM;
2368
2369 lid_ctl->status = result & 0x7;
2370 lid_ctl->handle = handle;
2371
2372 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2373 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2374 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2375 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2376 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2377
2378 if (handle == 0x0119) {
2379 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2380 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2381 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2382 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2383 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2384
2385 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2386 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2387 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2388 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2389 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2390 }
2391 for (i = 0; i < LID_RESUME_MAX &&
2392 lid_ctl->attrs[i].attr.name; i++) {
2393 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2394 if (result)
2395 goto liderror;
2396 }
2397
2398 return 0;
2399
2400 liderror:
2401 for (i--; i >= 0; i--)
2402 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2403
2404 kfree(lid_ctl);
2405 lid_ctl = NULL;
2406
2407 return result;
2408 }
2409
2410 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2411 {
2412 int i;
2413
2414 if (lid_ctl) {
2415 for (i = 0; i < LID_RESUME_MAX; i++) {
2416 if (!lid_ctl->attrs[i].attr.name)
2417 break;
2418
2419 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2420 }
2421
2422 kfree(lid_ctl);
2423 lid_ctl = NULL;
2424 }
2425 }
2426
2427 /* GFX Switch position */
2428 enum gfx_switch {
2429 SPEED,
2430 STAMINA,
2431 AUTO
2432 };
2433 struct snc_gfx_switch_control {
2434 struct device_attribute attr;
2435 unsigned int handle;
2436 };
2437 static struct snc_gfx_switch_control *gfxs_ctl;
2438
2439 /* returns 0 for speed, 1 for stamina */
2440 static int __sony_nc_gfx_switch_status_get(void)
2441 {
2442 unsigned int result;
2443
2444 if (sony_call_snc_handle(gfxs_ctl->handle,
2445 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2446 &result))
2447 return -EIO;
2448
2449 switch (gfxs_ctl->handle) {
2450 case 0x0146:
2451 /* 1: discrete GFX (speed)
2452 * 0: integrated GFX (stamina)
2453 */
2454 return result & 0x1 ? SPEED : STAMINA;
2455 break;
2456 case 0x015B:
2457 /* 0: discrete GFX (speed)
2458 * 1: integrated GFX (stamina)
2459 */
2460 return result & 0x1 ? STAMINA : SPEED;
2461 break;
2462 case 0x0128:
2463 /* it's a more elaborated bitmask, for now:
2464 * 2: integrated GFX (stamina)
2465 * 0: discrete GFX (speed)
2466 */
2467 dprintk("GFX Status: 0x%x\n", result);
2468 return result & 0x80 ? AUTO :
2469 result & 0x02 ? STAMINA : SPEED;
2470 break;
2471 }
2472 return -EINVAL;
2473 }
2474
2475 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2476 struct device_attribute *attr,
2477 char *buffer)
2478 {
2479 int pos = __sony_nc_gfx_switch_status_get();
2480
2481 if (pos < 0)
2482 return pos;
2483
2484 return snprintf(buffer, PAGE_SIZE, "%s\n",
2485 pos == SPEED ? "speed" :
2486 pos == STAMINA ? "stamina" :
2487 pos == AUTO ? "auto" : "unknown");
2488 }
2489
2490 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2491 unsigned int handle)
2492 {
2493 unsigned int result;
2494
2495 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2496 if (!gfxs_ctl)
2497 return -ENOMEM;
2498
2499 gfxs_ctl->handle = handle;
2500
2501 sysfs_attr_init(&gfxs_ctl->attr.attr);
2502 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2503 gfxs_ctl->attr.attr.mode = S_IRUGO;
2504 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2505
2506 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2507 if (result)
2508 goto gfxerror;
2509
2510 return 0;
2511
2512 gfxerror:
2513 kfree(gfxs_ctl);
2514 gfxs_ctl = NULL;
2515
2516 return result;
2517 }
2518
2519 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2520 {
2521 if (gfxs_ctl) {
2522 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2523
2524 kfree(gfxs_ctl);
2525 gfxs_ctl = NULL;
2526 }
2527 }
2528
2529 /* High speed charging function */
2530 static struct device_attribute *hsc_handle;
2531
2532 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2533 struct device_attribute *attr,
2534 const char *buffer, size_t count)
2535 {
2536 unsigned int result;
2537 unsigned long value;
2538
2539 if (count > 31)
2540 return -EINVAL;
2541
2542 if (kstrtoul(buffer, 10, &value) || value > 1)
2543 return -EINVAL;
2544
2545 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2546 return -EIO;
2547
2548 return count;
2549 }
2550
2551 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2552 struct device_attribute *attr, char *buffer)
2553 {
2554 unsigned int result;
2555
2556 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2557 return -EIO;
2558
2559 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2560 }
2561
2562 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2563 {
2564 unsigned int result;
2565
2566 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2567 /* some models advertise the handle but have no implementation
2568 * for it
2569 */
2570 pr_info("No High Speed Charging capability found\n");
2571 return 0;
2572 }
2573
2574 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2575 if (!hsc_handle)
2576 return -ENOMEM;
2577
2578 sysfs_attr_init(&hsc_handle->attr);
2579 hsc_handle->attr.name = "battery_highspeed_charging";
2580 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2581 hsc_handle->show = sony_nc_highspeed_charging_show;
2582 hsc_handle->store = sony_nc_highspeed_charging_store;
2583
2584 result = device_create_file(&pd->dev, hsc_handle);
2585 if (result) {
2586 kfree(hsc_handle);
2587 hsc_handle = NULL;
2588 return result;
2589 }
2590
2591 return 0;
2592 }
2593
2594 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2595 {
2596 if (hsc_handle) {
2597 device_remove_file(&pd->dev, hsc_handle);
2598 kfree(hsc_handle);
2599 hsc_handle = NULL;
2600 }
2601 }
2602
2603 /* low battery function */
2604 static struct device_attribute *lowbatt_handle;
2605
2606 static ssize_t sony_nc_lowbatt_store(struct device *dev,
2607 struct device_attribute *attr,
2608 const char *buffer, size_t count)
2609 {
2610 unsigned int result;
2611 unsigned long value;
2612
2613 if (count > 31)
2614 return -EINVAL;
2615
2616 if (kstrtoul(buffer, 10, &value) || value > 1)
2617 return -EINVAL;
2618
2619 if (sony_call_snc_handle(0x0121, value << 8, &result))
2620 return -EIO;
2621
2622 return count;
2623 }
2624
2625 static ssize_t sony_nc_lowbatt_show(struct device *dev,
2626 struct device_attribute *attr, char *buffer)
2627 {
2628 unsigned int result;
2629
2630 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2631 return -EIO;
2632
2633 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2634 }
2635
2636 static int sony_nc_lowbatt_setup(struct platform_device *pd)
2637 {
2638 unsigned int result;
2639
2640 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2641 if (!lowbatt_handle)
2642 return -ENOMEM;
2643
2644 sysfs_attr_init(&lowbatt_handle->attr);
2645 lowbatt_handle->attr.name = "lowbatt_hibernate";
2646 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2647 lowbatt_handle->show = sony_nc_lowbatt_show;
2648 lowbatt_handle->store = sony_nc_lowbatt_store;
2649
2650 result = device_create_file(&pd->dev, lowbatt_handle);
2651 if (result) {
2652 kfree(lowbatt_handle);
2653 lowbatt_handle = NULL;
2654 return result;
2655 }
2656
2657 return 0;
2658 }
2659
2660 static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2661 {
2662 if (lowbatt_handle) {
2663 device_remove_file(&pd->dev, lowbatt_handle);
2664 kfree(lowbatt_handle);
2665 lowbatt_handle = NULL;
2666 }
2667 }
2668
2669 /* fan speed function */
2670 static struct device_attribute *fan_handle, *hsf_handle;
2671
2672 static ssize_t sony_nc_hsfan_store(struct device *dev,
2673 struct device_attribute *attr,
2674 const char *buffer, size_t count)
2675 {
2676 unsigned int result;
2677 unsigned long value;
2678
2679 if (count > 31)
2680 return -EINVAL;
2681
2682 if (kstrtoul(buffer, 10, &value) || value > 1)
2683 return -EINVAL;
2684
2685 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2686 return -EIO;
2687
2688 return count;
2689 }
2690
2691 static ssize_t sony_nc_hsfan_show(struct device *dev,
2692 struct device_attribute *attr, char *buffer)
2693 {
2694 unsigned int result;
2695
2696 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2697 return -EIO;
2698
2699 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2700 }
2701
2702 static ssize_t sony_nc_fanspeed_show(struct device *dev,
2703 struct device_attribute *attr, char *buffer)
2704 {
2705 unsigned int result;
2706
2707 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2708 return -EIO;
2709
2710 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2711 }
2712
2713 static int sony_nc_fanspeed_setup(struct platform_device *pd)
2714 {
2715 unsigned int result;
2716
2717 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2718 if (!fan_handle)
2719 return -ENOMEM;
2720
2721 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2722 if (!hsf_handle) {
2723 result = -ENOMEM;
2724 goto out_hsf_handle_alloc;
2725 }
2726
2727 sysfs_attr_init(&fan_handle->attr);
2728 fan_handle->attr.name = "fanspeed";
2729 fan_handle->attr.mode = S_IRUGO;
2730 fan_handle->show = sony_nc_fanspeed_show;
2731 fan_handle->store = NULL;
2732
2733 sysfs_attr_init(&hsf_handle->attr);
2734 hsf_handle->attr.name = "fan_forced";
2735 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2736 hsf_handle->show = sony_nc_hsfan_show;
2737 hsf_handle->store = sony_nc_hsfan_store;
2738
2739 result = device_create_file(&pd->dev, fan_handle);
2740 if (result)
2741 goto out_fan_handle;
2742
2743 result = device_create_file(&pd->dev, hsf_handle);
2744 if (result)
2745 goto out_hsf_handle;
2746
2747 return 0;
2748
2749 out_hsf_handle:
2750 device_remove_file(&pd->dev, fan_handle);
2751
2752 out_fan_handle:
2753 kfree(hsf_handle);
2754 hsf_handle = NULL;
2755
2756 out_hsf_handle_alloc:
2757 kfree(fan_handle);
2758 fan_handle = NULL;
2759 return result;
2760 }
2761
2762 static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2763 {
2764 if (fan_handle) {
2765 device_remove_file(&pd->dev, fan_handle);
2766 kfree(fan_handle);
2767 fan_handle = NULL;
2768 }
2769 if (hsf_handle) {
2770 device_remove_file(&pd->dev, hsf_handle);
2771 kfree(hsf_handle);
2772 hsf_handle = NULL;
2773 }
2774 }
2775
2776 /* USB charge function */
2777 static struct device_attribute *uc_handle;
2778
2779 static ssize_t sony_nc_usb_charge_store(struct device *dev,
2780 struct device_attribute *attr,
2781 const char *buffer, size_t count)
2782 {
2783 unsigned int result;
2784 unsigned long value;
2785
2786 if (count > 31)
2787 return -EINVAL;
2788
2789 if (kstrtoul(buffer, 10, &value) || value > 1)
2790 return -EINVAL;
2791
2792 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2793 return -EIO;
2794
2795 return count;
2796 }
2797
2798 static ssize_t sony_nc_usb_charge_show(struct device *dev,
2799 struct device_attribute *attr, char *buffer)
2800 {
2801 unsigned int result;
2802
2803 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2804 return -EIO;
2805
2806 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2807 }
2808
2809 static int sony_nc_usb_charge_setup(struct platform_device *pd)
2810 {
2811 unsigned int result;
2812
2813 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2814 /* some models advertise the handle but have no implementation
2815 * for it
2816 */
2817 pr_info("No USB Charge capability found\n");
2818 return 0;
2819 }
2820
2821 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2822 if (!uc_handle)
2823 return -ENOMEM;
2824
2825 sysfs_attr_init(&uc_handle->attr);
2826 uc_handle->attr.name = "usb_charge";
2827 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2828 uc_handle->show = sony_nc_usb_charge_show;
2829 uc_handle->store = sony_nc_usb_charge_store;
2830
2831 result = device_create_file(&pd->dev, uc_handle);
2832 if (result) {
2833 kfree(uc_handle);
2834 uc_handle = NULL;
2835 return result;
2836 }
2837
2838 return 0;
2839 }
2840
2841 static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2842 {
2843 if (uc_handle) {
2844 device_remove_file(&pd->dev, uc_handle);
2845 kfree(uc_handle);
2846 uc_handle = NULL;
2847 }
2848 }
2849
2850 /* Panel ID function */
2851 static struct device_attribute *panel_handle;
2852
2853 static ssize_t sony_nc_panelid_show(struct device *dev,
2854 struct device_attribute *attr, char *buffer)
2855 {
2856 unsigned int result;
2857
2858 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2859 return -EIO;
2860
2861 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2862 }
2863
2864 static int sony_nc_panelid_setup(struct platform_device *pd)
2865 {
2866 unsigned int result;
2867
2868 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2869 if (!panel_handle)
2870 return -ENOMEM;
2871
2872 sysfs_attr_init(&panel_handle->attr);
2873 panel_handle->attr.name = "panel_id";
2874 panel_handle->attr.mode = S_IRUGO;
2875 panel_handle->show = sony_nc_panelid_show;
2876 panel_handle->store = NULL;
2877
2878 result = device_create_file(&pd->dev, panel_handle);
2879 if (result) {
2880 kfree(panel_handle);
2881 panel_handle = NULL;
2882 return result;
2883 }
2884
2885 return 0;
2886 }
2887
2888 static void sony_nc_panelid_cleanup(struct platform_device *pd)
2889 {
2890 if (panel_handle) {
2891 device_remove_file(&pd->dev, panel_handle);
2892 kfree(panel_handle);
2893 panel_handle = NULL;
2894 }
2895 }
2896
2897 /* smart connect function */
2898 static struct device_attribute *sc_handle;
2899
2900 static ssize_t sony_nc_smart_conn_store(struct device *dev,
2901 struct device_attribute *attr,
2902 const char *buffer, size_t count)
2903 {
2904 unsigned int result;
2905 unsigned long value;
2906
2907 if (count > 31)
2908 return -EINVAL;
2909
2910 if (kstrtoul(buffer, 10, &value) || value > 1)
2911 return -EINVAL;
2912
2913 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2914 return -EIO;
2915
2916 return count;
2917 }
2918
2919 static int sony_nc_smart_conn_setup(struct platform_device *pd)
2920 {
2921 unsigned int result;
2922
2923 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2924 if (!sc_handle)
2925 return -ENOMEM;
2926
2927 sysfs_attr_init(&sc_handle->attr);
2928 sc_handle->attr.name = "smart_connect";
2929 sc_handle->attr.mode = S_IWUSR;
2930 sc_handle->show = NULL;
2931 sc_handle->store = sony_nc_smart_conn_store;
2932
2933 result = device_create_file(&pd->dev, sc_handle);
2934 if (result) {
2935 kfree(sc_handle);
2936 sc_handle = NULL;
2937 return result;
2938 }
2939
2940 return 0;
2941 }
2942
2943 static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2944 {
2945 if (sc_handle) {
2946 device_remove_file(&pd->dev, sc_handle);
2947 kfree(sc_handle);
2948 sc_handle = NULL;
2949 }
2950 }
2951
2952 /* Touchpad enable/disable */
2953 struct touchpad_control {
2954 struct device_attribute attr;
2955 int handle;
2956 };
2957 static struct touchpad_control *tp_ctl;
2958
2959 static ssize_t sony_nc_touchpad_store(struct device *dev,
2960 struct device_attribute *attr, const char *buffer, size_t count)
2961 {
2962 unsigned int result;
2963 unsigned long value;
2964
2965 if (count > 31)
2966 return -EINVAL;
2967
2968 if (kstrtoul(buffer, 10, &value) || value > 1)
2969 return -EINVAL;
2970
2971 /* sysfs: 0 disabled, 1 enabled
2972 * EC: 0 enabled, 1 disabled
2973 */
2974 if (sony_call_snc_handle(tp_ctl->handle,
2975 (!value << 0x10) | 0x100, &result))
2976 return -EIO;
2977
2978 return count;
2979 }
2980
2981 static ssize_t sony_nc_touchpad_show(struct device *dev,
2982 struct device_attribute *attr, char *buffer)
2983 {
2984 unsigned int result;
2985
2986 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2987 return -EINVAL;
2988
2989 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
2990 }
2991
2992 static int sony_nc_touchpad_setup(struct platform_device *pd,
2993 unsigned int handle)
2994 {
2995 int ret = 0;
2996
2997 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
2998 if (!tp_ctl)
2999 return -ENOMEM;
3000
3001 tp_ctl->handle = handle;
3002
3003 sysfs_attr_init(&tp_ctl->attr.attr);
3004 tp_ctl->attr.attr.name = "touchpad";
3005 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3006 tp_ctl->attr.show = sony_nc_touchpad_show;
3007 tp_ctl->attr.store = sony_nc_touchpad_store;
3008
3009 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3010 if (ret) {
3011 kfree(tp_ctl);
3012 tp_ctl = NULL;
3013 }
3014
3015 return ret;
3016 }
3017
3018 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3019 {
3020 if (tp_ctl) {
3021 device_remove_file(&pd->dev, &tp_ctl->attr);
3022 kfree(tp_ctl);
3023 tp_ctl = NULL;
3024 }
3025 }
3026
3027 static void sony_nc_backlight_ng_read_limits(int handle,
3028 struct sony_backlight_props *props)
3029 {
3030 u64 offset;
3031 int i;
3032 int lvl_table_len = 0;
3033 u8 min = 0xff, max = 0x00;
3034 unsigned char buffer[32] = { 0 };
3035
3036 props->handle = handle;
3037 props->offset = 0;
3038 props->maxlvl = 0xff;
3039
3040 offset = sony_find_snc_handle(handle);
3041
3042 /* try to read the boundaries from ACPI tables, if we fail the above
3043 * defaults should be reasonable
3044 */
3045 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3046 32);
3047 if (i < 0)
3048 return;
3049
3050 switch (handle) {
3051 case 0x012f:
3052 case 0x0137:
3053 lvl_table_len = 9;
3054 break;
3055 case 0x143:
3056 case 0x14b:
3057 case 0x14c:
3058 lvl_table_len = 16;
3059 break;
3060 }
3061
3062 /* the buffer lists brightness levels available, brightness levels are
3063 * from position 0 to 8 in the array, other values are used by ALS
3064 * control.
3065 */
3066 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3067
3068 dprintk("Brightness level: %d\n", buffer[i]);
3069
3070 if (!buffer[i])
3071 break;
3072
3073 if (buffer[i] > max)
3074 max = buffer[i];
3075 if (buffer[i] < min)
3076 min = buffer[i];
3077 }
3078 props->offset = min;
3079 props->maxlvl = max;
3080 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3081 props->maxlvl);
3082 }
3083
3084 static void sony_nc_backlight_setup(void)
3085 {
3086 int max_brightness = 0;
3087 const struct backlight_ops *ops = NULL;
3088 struct backlight_properties props;
3089
3090 if (sony_find_snc_handle(0x12f) >= 0) {
3091 ops = &sony_backlight_ng_ops;
3092 sony_bl_props.cmd_base = 0x0100;
3093 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3094 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3095
3096 } else if (sony_find_snc_handle(0x137) >= 0) {
3097 ops = &sony_backlight_ng_ops;
3098 sony_bl_props.cmd_base = 0x0100;
3099 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3100 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3101
3102 } else if (sony_find_snc_handle(0x143) >= 0) {
3103 ops = &sony_backlight_ng_ops;
3104 sony_bl_props.cmd_base = 0x3000;
3105 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3106 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3107
3108 } else if (sony_find_snc_handle(0x14b) >= 0) {
3109 ops = &sony_backlight_ng_ops;
3110 sony_bl_props.cmd_base = 0x3000;
3111 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3112 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3113
3114 } else if (sony_find_snc_handle(0x14c) >= 0) {
3115 ops = &sony_backlight_ng_ops;
3116 sony_bl_props.cmd_base = 0x3000;
3117 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3118 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3119
3120 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3121 ops = &sony_backlight_ops;
3122 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3123
3124 } else
3125 return;
3126
3127 memset(&props, 0, sizeof(struct backlight_properties));
3128 props.type = BACKLIGHT_PLATFORM;
3129 props.max_brightness = max_brightness;
3130 sony_bl_props.dev = backlight_device_register("sony", NULL,
3131 &sony_bl_props,
3132 ops, &props);
3133
3134 if (IS_ERR(sony_bl_props.dev)) {
3135 pr_warn("unable to register backlight device\n");
3136 sony_bl_props.dev = NULL;
3137 } else
3138 sony_bl_props.dev->props.brightness =
3139 ops->get_brightness(sony_bl_props.dev);
3140 }
3141
3142 static void sony_nc_backlight_cleanup(void)
3143 {
3144 backlight_device_unregister(sony_bl_props.dev);
3145 }
3146
3147 static int sony_nc_add(struct acpi_device *device)
3148 {
3149 acpi_status status;
3150 int result = 0;
3151 struct sony_nc_value *item;
3152
3153 sony_nc_acpi_device = device;
3154 strcpy(acpi_device_class(device), "sony/hotkey");
3155
3156 sony_nc_acpi_handle = device->handle;
3157
3158 /* read device status */
3159 result = acpi_bus_get_status(device);
3160 /* bail IFF the above call was successful and the device is not present */
3161 if (!result && !device->status.present) {
3162 dprintk("Device not present\n");
3163 result = -ENODEV;
3164 goto outwalk;
3165 }
3166
3167 result = sony_pf_add();
3168 if (result)
3169 goto outpresent;
3170
3171 if (debug) {
3172 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3173 sony_nc_acpi_handle, 1, sony_walk_callback,
3174 NULL, NULL, NULL);
3175 if (ACPI_FAILURE(status)) {
3176 pr_warn("unable to walk acpi resources\n");
3177 result = -ENODEV;
3178 goto outpresent;
3179 }
3180 }
3181
3182 result = sony_laptop_setup_input(device);
3183 if (result) {
3184 pr_err("Unable to create input devices\n");
3185 goto outplatform;
3186 }
3187
3188 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3189 int arg = 1;
3190 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3191 dprintk("ECON Method failed\n");
3192 }
3193
3194 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3195 dprintk("Doing SNC setup\n");
3196 /* retrieve the available handles */
3197 result = sony_nc_handles_setup(sony_pf_device);
3198 if (!result)
3199 sony_nc_function_setup(device, sony_pf_device);
3200 }
3201
3202 /* setup input devices and helper fifo */
3203 if (acpi_video_backlight_support()) {
3204 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
3205 } else {
3206 sony_nc_backlight_setup();
3207 }
3208
3209 /* create sony_pf sysfs attributes related to the SNC device */
3210 for (item = sony_nc_values; item->name; ++item) {
3211
3212 if (!debug && item->debug)
3213 continue;
3214
3215 /* find the available acpiget as described in the DSDT */
3216 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3217 if (acpi_has_method(sony_nc_acpi_handle,
3218 *item->acpiget)) {
3219 dprintk("Found %s getter: %s\n",
3220 item->name, *item->acpiget);
3221 item->devattr.attr.mode |= S_IRUGO;
3222 break;
3223 }
3224 }
3225
3226 /* find the available acpiset as described in the DSDT */
3227 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3228 if (acpi_has_method(sony_nc_acpi_handle,
3229 *item->acpiset)) {
3230 dprintk("Found %s setter: %s\n",
3231 item->name, *item->acpiset);
3232 item->devattr.attr.mode |= S_IWUSR;
3233 break;
3234 }
3235 }
3236
3237 if (item->devattr.attr.mode != 0) {
3238 result =
3239 device_create_file(&sony_pf_device->dev,
3240 &item->devattr);
3241 if (result)
3242 goto out_sysfs;
3243 }
3244 }
3245
3246 pr_info("SNC setup done.\n");
3247 return 0;
3248
3249 out_sysfs:
3250 for (item = sony_nc_values; item->name; ++item) {
3251 device_remove_file(&sony_pf_device->dev, &item->devattr);
3252 }
3253 sony_nc_backlight_cleanup();
3254 sony_nc_function_cleanup(sony_pf_device);
3255 sony_nc_handles_cleanup(sony_pf_device);
3256
3257 outplatform:
3258 sony_laptop_remove_input();
3259
3260 outpresent:
3261 sony_pf_remove();
3262
3263 outwalk:
3264 sony_nc_rfkill_cleanup();
3265 return result;
3266 }
3267
3268 static int sony_nc_remove(struct acpi_device *device)
3269 {
3270 struct sony_nc_value *item;
3271
3272 sony_nc_backlight_cleanup();
3273
3274 sony_nc_acpi_device = NULL;
3275
3276 for (item = sony_nc_values; item->name; ++item) {
3277 device_remove_file(&sony_pf_device->dev, &item->devattr);
3278 }
3279
3280 sony_nc_function_cleanup(sony_pf_device);
3281 sony_nc_handles_cleanup(sony_pf_device);
3282 sony_pf_remove();
3283 sony_laptop_remove_input();
3284 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3285
3286 return 0;
3287 }
3288
3289 static const struct acpi_device_id sony_device_ids[] = {
3290 {SONY_NC_HID, 0},
3291 {SONY_PIC_HID, 0},
3292 {"", 0},
3293 };
3294 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3295
3296 static const struct acpi_device_id sony_nc_device_ids[] = {
3297 {SONY_NC_HID, 0},
3298 {"", 0},
3299 };
3300
3301 static struct acpi_driver sony_nc_driver = {
3302 .name = SONY_NC_DRIVER_NAME,
3303 .class = SONY_NC_CLASS,
3304 .ids = sony_nc_device_ids,
3305 .owner = THIS_MODULE,
3306 .ops = {
3307 .add = sony_nc_add,
3308 .remove = sony_nc_remove,
3309 .notify = sony_nc_notify,
3310 },
3311 .drv.pm = &sony_nc_pm,
3312 };
3313
3314 /*********** SPIC (SNY6001) Device ***********/
3315
3316 #define SONYPI_DEVICE_TYPE1 0x00000001
3317 #define SONYPI_DEVICE_TYPE2 0x00000002
3318 #define SONYPI_DEVICE_TYPE3 0x00000004
3319
3320 #define SONYPI_TYPE1_OFFSET 0x04
3321 #define SONYPI_TYPE2_OFFSET 0x12
3322 #define SONYPI_TYPE3_OFFSET 0x12
3323
3324 struct sony_pic_ioport {
3325 struct acpi_resource_io io1;
3326 struct acpi_resource_io io2;
3327 struct list_head list;
3328 };
3329
3330 struct sony_pic_irq {
3331 struct acpi_resource_irq irq;
3332 struct list_head list;
3333 };
3334
3335 struct sonypi_eventtypes {
3336 u8 data;
3337 unsigned long mask;
3338 struct sonypi_event *events;
3339 };
3340
3341 struct sony_pic_dev {
3342 struct acpi_device *acpi_dev;
3343 struct sony_pic_irq *cur_irq;
3344 struct sony_pic_ioport *cur_ioport;
3345 struct list_head interrupts;
3346 struct list_head ioports;
3347 struct mutex lock;
3348 struct sonypi_eventtypes *event_types;
3349 int (*handle_irq)(const u8, const u8);
3350 int model;
3351 u16 evport_offset;
3352 u8 camera_power;
3353 u8 bluetooth_power;
3354 u8 wwan_power;
3355 };
3356
3357 static struct sony_pic_dev spic_dev = {
3358 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3359 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3360 };
3361
3362 static int spic_drv_registered;
3363
3364 /* Event masks */
3365 #define SONYPI_JOGGER_MASK 0x00000001
3366 #define SONYPI_CAPTURE_MASK 0x00000002
3367 #define SONYPI_FNKEY_MASK 0x00000004
3368 #define SONYPI_BLUETOOTH_MASK 0x00000008
3369 #define SONYPI_PKEY_MASK 0x00000010
3370 #define SONYPI_BACK_MASK 0x00000020
3371 #define SONYPI_HELP_MASK 0x00000040
3372 #define SONYPI_LID_MASK 0x00000080
3373 #define SONYPI_ZOOM_MASK 0x00000100
3374 #define SONYPI_THUMBPHRASE_MASK 0x00000200
3375 #define SONYPI_MEYE_MASK 0x00000400
3376 #define SONYPI_MEMORYSTICK_MASK 0x00000800
3377 #define SONYPI_BATTERY_MASK 0x00001000
3378 #define SONYPI_WIRELESS_MASK 0x00002000
3379
3380 struct sonypi_event {
3381 u8 data;
3382 u8 event;
3383 };
3384
3385 /* The set of possible button release events */
3386 static struct sonypi_event sonypi_releaseev[] = {
3387 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3388 { 0, 0 }
3389 };
3390
3391 /* The set of possible jogger events */
3392 static struct sonypi_event sonypi_joggerev[] = {
3393 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3394 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3395 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3396 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3397 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3398 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3399 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3400 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3401 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3402 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3403 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3404 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3405 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3406 { 0, 0 }
3407 };
3408
3409 /* The set of possible capture button events */
3410 static struct sonypi_event sonypi_captureev[] = {
3411 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3412 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3413 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3414 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3415 { 0, 0 }
3416 };
3417
3418 /* The set of possible fnkeys events */
3419 static struct sonypi_event sonypi_fnkeyev[] = {
3420 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3421 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3422 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3423 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3424 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3425 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3426 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3427 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3428 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3429 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3430 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3431 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3432 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3433 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3434 { 0x21, SONYPI_EVENT_FNKEY_1 },
3435 { 0x22, SONYPI_EVENT_FNKEY_2 },
3436 { 0x31, SONYPI_EVENT_FNKEY_D },
3437 { 0x32, SONYPI_EVENT_FNKEY_E },
3438 { 0x33, SONYPI_EVENT_FNKEY_F },
3439 { 0x34, SONYPI_EVENT_FNKEY_S },
3440 { 0x35, SONYPI_EVENT_FNKEY_B },
3441 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3442 { 0, 0 }
3443 };
3444
3445 /* The set of possible program key events */
3446 static struct sonypi_event sonypi_pkeyev[] = {
3447 { 0x01, SONYPI_EVENT_PKEY_P1 },
3448 { 0x02, SONYPI_EVENT_PKEY_P2 },
3449 { 0x04, SONYPI_EVENT_PKEY_P3 },
3450 { 0x20, SONYPI_EVENT_PKEY_P1 },
3451 { 0, 0 }
3452 };
3453
3454 /* The set of possible bluetooth events */
3455 static struct sonypi_event sonypi_blueev[] = {
3456 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3457 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3458 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3459 { 0, 0 }
3460 };
3461
3462 /* The set of possible wireless events */
3463 static struct sonypi_event sonypi_wlessev[] = {
3464 { 0x59, SONYPI_EVENT_IGNORE },
3465 { 0x5a, SONYPI_EVENT_IGNORE },
3466 { 0, 0 }
3467 };
3468
3469 /* The set of possible back button events */
3470 static struct sonypi_event sonypi_backev[] = {
3471 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3472 { 0, 0 }
3473 };
3474
3475 /* The set of possible help button events */
3476 static struct sonypi_event sonypi_helpev[] = {
3477 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3478 { 0, 0 }
3479 };
3480
3481
3482 /* The set of possible lid events */
3483 static struct sonypi_event sonypi_lidev[] = {
3484 { 0x51, SONYPI_EVENT_LID_CLOSED },
3485 { 0x50, SONYPI_EVENT_LID_OPENED },
3486 { 0, 0 }
3487 };
3488
3489 /* The set of possible zoom events */
3490 static struct sonypi_event sonypi_zoomev[] = {
3491 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3492 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3493 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3494 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3495 { 0, 0 }
3496 };
3497
3498 /* The set of possible thumbphrase events */
3499 static struct sonypi_event sonypi_thumbphraseev[] = {
3500 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3501 { 0, 0 }
3502 };
3503
3504 /* The set of possible motioneye camera events */
3505 static struct sonypi_event sonypi_meyeev[] = {
3506 { 0x00, SONYPI_EVENT_MEYE_FACE },
3507 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3508 { 0, 0 }
3509 };
3510
3511 /* The set of possible memorystick events */
3512 static struct sonypi_event sonypi_memorystickev[] = {
3513 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3514 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3515 { 0, 0 }
3516 };
3517
3518 /* The set of possible battery events */
3519 static struct sonypi_event sonypi_batteryev[] = {
3520 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3521 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3522 { 0, 0 }
3523 };
3524
3525 /* The set of possible volume events */
3526 static struct sonypi_event sonypi_volumeev[] = {
3527 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3528 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3529 { 0, 0 }
3530 };
3531
3532 /* The set of possible brightness events */
3533 static struct sonypi_event sonypi_brightnessev[] = {
3534 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3535 { 0, 0 }
3536 };
3537
3538 static struct sonypi_eventtypes type1_events[] = {
3539 { 0, 0xffffffff, sonypi_releaseev },
3540 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3541 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3542 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3543 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3544 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3545 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3546 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3547 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3548 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3549 { 0 },
3550 };
3551 static struct sonypi_eventtypes type2_events[] = {
3552 { 0, 0xffffffff, sonypi_releaseev },
3553 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3554 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3555 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3556 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3557 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3558 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3559 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3560 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3561 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3562 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3563 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3564 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3565 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3566 { 0 },
3567 };
3568 static struct sonypi_eventtypes type3_events[] = {
3569 { 0, 0xffffffff, sonypi_releaseev },
3570 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3571 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3572 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3573 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3574 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3575 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3576 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3577 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3578 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3579 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3580 { 0 },
3581 };
3582
3583 /* low level spic calls */
3584 #define ITERATIONS_LONG 10000
3585 #define ITERATIONS_SHORT 10
3586 #define wait_on_command(command, iterations) { \
3587 unsigned int n = iterations; \
3588 while (--n && (command)) \
3589 udelay(1); \
3590 if (!n) \
3591 dprintk("command failed at %s : %s (line %d)\n", \
3592 __FILE__, __func__, __LINE__); \
3593 }
3594
3595 static u8 sony_pic_call1(u8 dev)
3596 {
3597 u8 v1, v2;
3598
3599 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3600 ITERATIONS_LONG);
3601 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3602 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3603 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3604 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3605 return v2;
3606 }
3607
3608 static u8 sony_pic_call2(u8 dev, u8 fn)
3609 {
3610 u8 v1;
3611
3612 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3613 ITERATIONS_LONG);
3614 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3615 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3616 ITERATIONS_LONG);
3617 outb(fn, spic_dev.cur_ioport->io1.minimum);
3618 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3619 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3620 return v1;
3621 }
3622
3623 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3624 {
3625 u8 v1;
3626
3627 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3628 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3629 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3630 outb(fn, spic_dev.cur_ioport->io1.minimum);
3631 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3632 outb(v, spic_dev.cur_ioport->io1.minimum);
3633 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3634 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3635 dev, fn, v, v1);
3636 return v1;
3637 }
3638
3639 /*
3640 * minidrivers for SPIC models
3641 */
3642 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3643 {
3644 /*
3645 * 0x31 could mean we have to take some extra action and wait for
3646 * the next irq for some Type3 models, it will generate a new
3647 * irq and we can read new data from the device:
3648 * - 0x5c and 0x5f requires 0xA0
3649 * - 0x61 requires 0xB3
3650 */
3651 if (data_mask == 0x31) {
3652 if (ev == 0x5c || ev == 0x5f)
3653 sony_pic_call1(0xA0);
3654 else if (ev == 0x61)
3655 sony_pic_call1(0xB3);
3656 return 0;
3657 }
3658 return 1;
3659 }
3660
3661 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3662 {
3663 struct pci_dev *pcidev;
3664
3665 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3666 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3667 if (pcidev) {
3668 dev->model = SONYPI_DEVICE_TYPE1;
3669 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3670 dev->event_types = type1_events;
3671 goto out;
3672 }
3673
3674 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3675 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3676 if (pcidev) {
3677 dev->model = SONYPI_DEVICE_TYPE2;
3678 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3679 dev->event_types = type2_events;
3680 goto out;
3681 }
3682
3683 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3684 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3685 if (pcidev) {
3686 dev->model = SONYPI_DEVICE_TYPE3;
3687 dev->handle_irq = type3_handle_irq;
3688 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3689 dev->event_types = type3_events;
3690 goto out;
3691 }
3692
3693 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3694 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3695 if (pcidev) {
3696 dev->model = SONYPI_DEVICE_TYPE3;
3697 dev->handle_irq = type3_handle_irq;
3698 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3699 dev->event_types = type3_events;
3700 goto out;
3701 }
3702
3703 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3704 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3705 if (pcidev) {
3706 dev->model = SONYPI_DEVICE_TYPE3;
3707 dev->handle_irq = type3_handle_irq;
3708 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3709 dev->event_types = type3_events;
3710 goto out;
3711 }
3712
3713 /* default */
3714 dev->model = SONYPI_DEVICE_TYPE2;
3715 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3716 dev->event_types = type2_events;
3717
3718 out:
3719 pci_dev_put(pcidev);
3720
3721 pr_info("detected Type%d model\n",
3722 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3723 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3724 }
3725
3726 /* camera tests and poweron/poweroff */
3727 #define SONYPI_CAMERA_PICTURE 5
3728 #define SONYPI_CAMERA_CONTROL 0x10
3729
3730 #define SONYPI_CAMERA_BRIGHTNESS 0
3731 #define SONYPI_CAMERA_CONTRAST 1
3732 #define SONYPI_CAMERA_HUE 2
3733 #define SONYPI_CAMERA_COLOR 3
3734 #define SONYPI_CAMERA_SHARPNESS 4
3735
3736 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3737 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3738 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3739 #define SONYPI_CAMERA_MUTE_MASK 0x40
3740
3741 /* the rest don't need a loop until not 0xff */
3742 #define SONYPI_CAMERA_AGC 6
3743 #define SONYPI_CAMERA_AGC_MASK 0x30
3744 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3745
3746 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3747 #define SONYPI_CAMERA_CONTROL 0x10
3748
3749 #define SONYPI_CAMERA_STATUS 7
3750 #define SONYPI_CAMERA_STATUS_READY 0x2
3751 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3752
3753 #define SONYPI_DIRECTION_BACKWARDS 0x4
3754
3755 #define SONYPI_CAMERA_REVISION 8
3756 #define SONYPI_CAMERA_ROMVERSION 9
3757
3758 static int __sony_pic_camera_ready(void)
3759 {
3760 u8 v;
3761
3762 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3763 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3764 }
3765
3766 static int __sony_pic_camera_off(void)
3767 {
3768 if (!camera) {
3769 pr_warn("camera control not enabled\n");
3770 return -ENODEV;
3771 }
3772
3773 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3774 SONYPI_CAMERA_MUTE_MASK),
3775 ITERATIONS_SHORT);
3776
3777 if (spic_dev.camera_power) {
3778 sony_pic_call2(0x91, 0);
3779 spic_dev.camera_power = 0;
3780 }
3781 return 0;
3782 }
3783
3784 static int __sony_pic_camera_on(void)
3785 {
3786 int i, j, x;
3787
3788 if (!camera) {
3789 pr_warn("camera control not enabled\n");
3790 return -ENODEV;
3791 }
3792
3793 if (spic_dev.camera_power)
3794 return 0;
3795
3796 for (j = 5; j > 0; j--) {
3797
3798 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3799 msleep(10);
3800 sony_pic_call1(0x93);
3801
3802 for (i = 400; i > 0; i--) {
3803 if (__sony_pic_camera_ready())
3804 break;
3805 msleep(10);
3806 }
3807 if (i)
3808 break;
3809 }
3810
3811 if (j == 0) {
3812 pr_warn("failed to power on camera\n");
3813 return -ENODEV;
3814 }
3815
3816 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3817 0x5a),
3818 ITERATIONS_SHORT);
3819
3820 spic_dev.camera_power = 1;
3821 return 0;
3822 }
3823
3824 /* External camera command (exported to the motion eye v4l driver) */
3825 int sony_pic_camera_command(int command, u8 value)
3826 {
3827 if (!camera)
3828 return -EIO;
3829
3830 mutex_lock(&spic_dev.lock);
3831
3832 switch (command) {
3833 case SONY_PIC_COMMAND_SETCAMERA:
3834 if (value)
3835 __sony_pic_camera_on();
3836 else
3837 __sony_pic_camera_off();
3838 break;
3839 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3840 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3841 ITERATIONS_SHORT);
3842 break;
3843 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3844 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3845 ITERATIONS_SHORT);
3846 break;
3847 case SONY_PIC_COMMAND_SETCAMERAHUE:
3848 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3849 ITERATIONS_SHORT);
3850 break;
3851 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3852 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3853 ITERATIONS_SHORT);
3854 break;
3855 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3856 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3857 ITERATIONS_SHORT);
3858 break;
3859 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3860 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3861 ITERATIONS_SHORT);
3862 break;
3863 case SONY_PIC_COMMAND_SETCAMERAAGC:
3864 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3865 ITERATIONS_SHORT);
3866 break;
3867 default:
3868 pr_err("sony_pic_camera_command invalid: %d\n", command);
3869 break;
3870 }
3871 mutex_unlock(&spic_dev.lock);
3872 return 0;
3873 }
3874 EXPORT_SYMBOL(sony_pic_camera_command);
3875
3876 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3877 static void __sony_pic_set_wwanpower(u8 state)
3878 {
3879 state = !!state;
3880 if (spic_dev.wwan_power == state)
3881 return;
3882 sony_pic_call2(0xB0, state);
3883 sony_pic_call1(0x82);
3884 spic_dev.wwan_power = state;
3885 }
3886
3887 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3888 struct device_attribute *attr,
3889 const char *buffer, size_t count)
3890 {
3891 unsigned long value;
3892 if (count > 31)
3893 return -EINVAL;
3894
3895 if (kstrtoul(buffer, 10, &value))
3896 return -EINVAL;
3897
3898 mutex_lock(&spic_dev.lock);
3899 __sony_pic_set_wwanpower(value);
3900 mutex_unlock(&spic_dev.lock);
3901
3902 return count;
3903 }
3904
3905 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3906 struct device_attribute *attr, char *buffer)
3907 {
3908 ssize_t count;
3909 mutex_lock(&spic_dev.lock);
3910 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3911 mutex_unlock(&spic_dev.lock);
3912 return count;
3913 }
3914
3915 /* bluetooth subsystem power state */
3916 static void __sony_pic_set_bluetoothpower(u8 state)
3917 {
3918 state = !!state;
3919 if (spic_dev.bluetooth_power == state)
3920 return;
3921 sony_pic_call2(0x96, state);
3922 sony_pic_call1(0x82);
3923 spic_dev.bluetooth_power = state;
3924 }
3925
3926 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3927 struct device_attribute *attr,
3928 const char *buffer, size_t count)
3929 {
3930 unsigned long value;
3931 if (count > 31)
3932 return -EINVAL;
3933
3934 if (kstrtoul(buffer, 10, &value))
3935 return -EINVAL;
3936
3937 mutex_lock(&spic_dev.lock);
3938 __sony_pic_set_bluetoothpower(value);
3939 mutex_unlock(&spic_dev.lock);
3940
3941 return count;
3942 }
3943
3944 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3945 struct device_attribute *attr, char *buffer)
3946 {
3947 ssize_t count = 0;
3948 mutex_lock(&spic_dev.lock);
3949 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3950 mutex_unlock(&spic_dev.lock);
3951 return count;
3952 }
3953
3954 /* fan speed */
3955 /* FAN0 information (reverse engineered from ACPI tables) */
3956 #define SONY_PIC_FAN0_STATUS 0x93
3957 static int sony_pic_set_fanspeed(unsigned long value)
3958 {
3959 return ec_write(SONY_PIC_FAN0_STATUS, value);
3960 }
3961
3962 static int sony_pic_get_fanspeed(u8 *value)
3963 {
3964 return ec_read(SONY_PIC_FAN0_STATUS, value);
3965 }
3966
3967 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3968 struct device_attribute *attr,
3969 const char *buffer, size_t count)
3970 {
3971 unsigned long value;
3972 if (count > 31)
3973 return -EINVAL;
3974
3975 if (kstrtoul(buffer, 10, &value))
3976 return -EINVAL;
3977
3978 if (sony_pic_set_fanspeed(value))
3979 return -EIO;
3980
3981 return count;
3982 }
3983
3984 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3985 struct device_attribute *attr, char *buffer)
3986 {
3987 u8 value = 0;
3988 if (sony_pic_get_fanspeed(&value))
3989 return -EIO;
3990
3991 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
3992 }
3993
3994 #define SPIC_ATTR(_name, _mode) \
3995 struct device_attribute spic_attr_##_name = __ATTR(_name, \
3996 _mode, sony_pic_## _name ##_show, \
3997 sony_pic_## _name ##_store)
3998
3999 static SPIC_ATTR(bluetoothpower, 0644);
4000 static SPIC_ATTR(wwanpower, 0644);
4001 static SPIC_ATTR(fanspeed, 0644);
4002
4003 static struct attribute *spic_attributes[] = {
4004 &spic_attr_bluetoothpower.attr,
4005 &spic_attr_wwanpower.attr,
4006 &spic_attr_fanspeed.attr,
4007 NULL
4008 };
4009
4010 static struct attribute_group spic_attribute_group = {
4011 .attrs = spic_attributes
4012 };
4013
4014 /******** SONYPI compatibility **********/
4015 #ifdef CONFIG_SONYPI_COMPAT
4016
4017 /* battery / brightness / temperature addresses */
4018 #define SONYPI_BAT_FLAGS 0x81
4019 #define SONYPI_LCD_LIGHT 0x96
4020 #define SONYPI_BAT1_PCTRM 0xa0
4021 #define SONYPI_BAT1_LEFT 0xa2
4022 #define SONYPI_BAT1_MAXRT 0xa4
4023 #define SONYPI_BAT2_PCTRM 0xa8
4024 #define SONYPI_BAT2_LEFT 0xaa
4025 #define SONYPI_BAT2_MAXRT 0xac
4026 #define SONYPI_BAT1_MAXTK 0xb0
4027 #define SONYPI_BAT1_FULL 0xb2
4028 #define SONYPI_BAT2_MAXTK 0xb8
4029 #define SONYPI_BAT2_FULL 0xba
4030 #define SONYPI_TEMP_STATUS 0xC1
4031
4032 struct sonypi_compat_s {
4033 struct fasync_struct *fifo_async;
4034 struct kfifo fifo;
4035 spinlock_t fifo_lock;
4036 wait_queue_head_t fifo_proc_list;
4037 atomic_t open_count;
4038 };
4039 static struct sonypi_compat_s sonypi_compat = {
4040 .open_count = ATOMIC_INIT(0),
4041 };
4042
4043 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4044 {
4045 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4046 }
4047
4048 static int sonypi_misc_release(struct inode *inode, struct file *file)
4049 {
4050 atomic_dec(&sonypi_compat.open_count);
4051 return 0;
4052 }
4053
4054 static int sonypi_misc_open(struct inode *inode, struct file *file)
4055 {
4056 /* Flush input queue on first open */
4057 unsigned long flags;
4058
4059 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4060
4061 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4062 kfifo_reset(&sonypi_compat.fifo);
4063
4064 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4065
4066 return 0;
4067 }
4068
4069 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4070 size_t count, loff_t *pos)
4071 {
4072 ssize_t ret;
4073 unsigned char c;
4074
4075 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4076 (file->f_flags & O_NONBLOCK))
4077 return -EAGAIN;
4078
4079 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4080 kfifo_len(&sonypi_compat.fifo) != 0);
4081 if (ret)
4082 return ret;
4083
4084 while (ret < count &&
4085 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4086 &sonypi_compat.fifo_lock) == sizeof(c))) {
4087 if (put_user(c, buf++))
4088 return -EFAULT;
4089 ret++;
4090 }
4091
4092 if (ret > 0) {
4093 struct inode *inode = file_inode(file);
4094 inode->i_atime = current_fs_time(inode->i_sb);
4095 }
4096
4097 return ret;
4098 }
4099
4100 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
4101 {
4102 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4103 if (kfifo_len(&sonypi_compat.fifo))
4104 return POLLIN | POLLRDNORM;
4105 return 0;
4106 }
4107
4108 static int ec_read16(u8 addr, u16 *value)
4109 {
4110 u8 val_lb, val_hb;
4111 if (ec_read(addr, &val_lb))
4112 return -1;
4113 if (ec_read(addr + 1, &val_hb))
4114 return -1;
4115 *value = val_lb | (val_hb << 8);
4116 return 0;
4117 }
4118
4119 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4120 unsigned long arg)
4121 {
4122 int ret = 0;
4123 void __user *argp = (void __user *)arg;
4124 u8 val8;
4125 u16 val16;
4126 int value;
4127
4128 mutex_lock(&spic_dev.lock);
4129 switch (cmd) {
4130 case SONYPI_IOCGBRT:
4131 if (sony_bl_props.dev == NULL) {
4132 ret = -EIO;
4133 break;
4134 }
4135 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4136 &value)) {
4137 ret = -EIO;
4138 break;
4139 }
4140 val8 = ((value & 0xff) - 1) << 5;
4141 if (copy_to_user(argp, &val8, sizeof(val8)))
4142 ret = -EFAULT;
4143 break;
4144 case SONYPI_IOCSBRT:
4145 if (sony_bl_props.dev == NULL) {
4146 ret = -EIO;
4147 break;
4148 }
4149 if (copy_from_user(&val8, argp, sizeof(val8))) {
4150 ret = -EFAULT;
4151 break;
4152 }
4153 value = (val8 >> 5) + 1;
4154 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4155 NULL)) {
4156 ret = -EIO;
4157 break;
4158 }
4159 /* sync the backlight device status */
4160 sony_bl_props.dev->props.brightness =
4161 sony_backlight_get_brightness(sony_bl_props.dev);
4162 break;
4163 case SONYPI_IOCGBAT1CAP:
4164 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4165 ret = -EIO;
4166 break;
4167 }
4168 if (copy_to_user(argp, &val16, sizeof(val16)))
4169 ret = -EFAULT;
4170 break;
4171 case SONYPI_IOCGBAT1REM:
4172 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4173 ret = -EIO;
4174 break;
4175 }
4176 if (copy_to_user(argp, &val16, sizeof(val16)))
4177 ret = -EFAULT;
4178 break;
4179 case SONYPI_IOCGBAT2CAP:
4180 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4181 ret = -EIO;
4182 break;
4183 }
4184 if (copy_to_user(argp, &val16, sizeof(val16)))
4185 ret = -EFAULT;
4186 break;
4187 case SONYPI_IOCGBAT2REM:
4188 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4189 ret = -EIO;
4190 break;
4191 }
4192 if (copy_to_user(argp, &val16, sizeof(val16)))
4193 ret = -EFAULT;
4194 break;
4195 case SONYPI_IOCGBATFLAGS:
4196 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4197 ret = -EIO;
4198 break;
4199 }
4200 val8 &= 0x07;
4201 if (copy_to_user(argp, &val8, sizeof(val8)))
4202 ret = -EFAULT;
4203 break;
4204 case SONYPI_IOCGBLUE:
4205 val8 = spic_dev.bluetooth_power;
4206 if (copy_to_user(argp, &val8, sizeof(val8)))
4207 ret = -EFAULT;
4208 break;
4209 case SONYPI_IOCSBLUE:
4210 if (copy_from_user(&val8, argp, sizeof(val8))) {
4211 ret = -EFAULT;
4212 break;
4213 }
4214 __sony_pic_set_bluetoothpower(val8);
4215 break;
4216 /* FAN Controls */
4217 case SONYPI_IOCGFAN:
4218 if (sony_pic_get_fanspeed(&val8)) {
4219 ret = -EIO;
4220 break;
4221 }
4222 if (copy_to_user(argp, &val8, sizeof(val8)))
4223 ret = -EFAULT;
4224 break;
4225 case SONYPI_IOCSFAN:
4226 if (copy_from_user(&val8, argp, sizeof(val8))) {
4227 ret = -EFAULT;
4228 break;
4229 }
4230 if (sony_pic_set_fanspeed(val8))
4231 ret = -EIO;
4232 break;
4233 /* GET Temperature (useful under APM) */
4234 case SONYPI_IOCGTEMP:
4235 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4236 ret = -EIO;
4237 break;
4238 }
4239 if (copy_to_user(argp, &val8, sizeof(val8)))
4240 ret = -EFAULT;
4241 break;
4242 default:
4243 ret = -EINVAL;
4244 }
4245 mutex_unlock(&spic_dev.lock);
4246 return ret;
4247 }
4248
4249 static const struct file_operations sonypi_misc_fops = {
4250 .owner = THIS_MODULE,
4251 .read = sonypi_misc_read,
4252 .poll = sonypi_misc_poll,
4253 .open = sonypi_misc_open,
4254 .release = sonypi_misc_release,
4255 .fasync = sonypi_misc_fasync,
4256 .unlocked_ioctl = sonypi_misc_ioctl,
4257 .llseek = noop_llseek,
4258 };
4259
4260 static struct miscdevice sonypi_misc_device = {
4261 .minor = MISC_DYNAMIC_MINOR,
4262 .name = "sonypi",
4263 .fops = &sonypi_misc_fops,
4264 };
4265
4266 static void sonypi_compat_report_event(u8 event)
4267 {
4268 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4269 sizeof(event), &sonypi_compat.fifo_lock);
4270 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4271 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4272 }
4273
4274 static int sonypi_compat_init(void)
4275 {
4276 int error;
4277
4278 spin_lock_init(&sonypi_compat.fifo_lock);
4279 error =
4280 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4281 if (error) {
4282 pr_err("kfifo_alloc failed\n");
4283 return error;
4284 }
4285
4286 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4287
4288 if (minor != -1)
4289 sonypi_misc_device.minor = minor;
4290 error = misc_register(&sonypi_misc_device);
4291 if (error) {
4292 pr_err("misc_register failed\n");
4293 goto err_free_kfifo;
4294 }
4295 if (minor == -1)
4296 pr_info("device allocated minor is %d\n",
4297 sonypi_misc_device.minor);
4298
4299 return 0;
4300
4301 err_free_kfifo:
4302 kfifo_free(&sonypi_compat.fifo);
4303 return error;
4304 }
4305
4306 static void sonypi_compat_exit(void)
4307 {
4308 misc_deregister(&sonypi_misc_device);
4309 kfifo_free(&sonypi_compat.fifo);
4310 }
4311 #else
4312 static int sonypi_compat_init(void) { return 0; }
4313 static void sonypi_compat_exit(void) { }
4314 static void sonypi_compat_report_event(u8 event) { }
4315 #endif /* CONFIG_SONYPI_COMPAT */
4316
4317 /*
4318 * ACPI callbacks
4319 */
4320 static acpi_status
4321 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4322 {
4323 u32 i;
4324 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4325
4326 switch (resource->type) {
4327 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4328 {
4329 /* start IO enumeration */
4330 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4331 if (!ioport)
4332 return AE_ERROR;
4333
4334 list_add(&ioport->list, &dev->ioports);
4335 return AE_OK;
4336 }
4337
4338 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4339 /* end IO enumeration */
4340 return AE_OK;
4341
4342 case ACPI_RESOURCE_TYPE_IRQ:
4343 {
4344 struct acpi_resource_irq *p = &resource->data.irq;
4345 struct sony_pic_irq *interrupt = NULL;
4346 if (!p || !p->interrupt_count) {
4347 /*
4348 * IRQ descriptors may have no IRQ# bits set,
4349 * particularly those those w/ _STA disabled
4350 */
4351 dprintk("Blank IRQ resource\n");
4352 return AE_OK;
4353 }
4354 for (i = 0; i < p->interrupt_count; i++) {
4355 if (!p->interrupts[i]) {
4356 pr_warn("Invalid IRQ %d\n",
4357 p->interrupts[i]);
4358 continue;
4359 }
4360 interrupt = kzalloc(sizeof(*interrupt),
4361 GFP_KERNEL);
4362 if (!interrupt)
4363 return AE_ERROR;
4364
4365 list_add(&interrupt->list, &dev->interrupts);
4366 interrupt->irq.triggering = p->triggering;
4367 interrupt->irq.polarity = p->polarity;
4368 interrupt->irq.sharable = p->sharable;
4369 interrupt->irq.interrupt_count = 1;
4370 interrupt->irq.interrupts[0] = p->interrupts[i];
4371 }
4372 return AE_OK;
4373 }
4374 case ACPI_RESOURCE_TYPE_IO:
4375 {
4376 struct acpi_resource_io *io = &resource->data.io;
4377 struct sony_pic_ioport *ioport =
4378 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4379 if (!io) {
4380 dprintk("Blank IO resource\n");
4381 return AE_OK;
4382 }
4383
4384 if (!ioport->io1.minimum) {
4385 memcpy(&ioport->io1, io, sizeof(*io));
4386 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4387 ioport->io1.address_length);
4388 }
4389 else if (!ioport->io2.minimum) {
4390 memcpy(&ioport->io2, io, sizeof(*io));
4391 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4392 ioport->io2.address_length);
4393 }
4394 else {
4395 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4396 return AE_ERROR;
4397 }
4398 return AE_OK;
4399 }
4400 default:
4401 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4402 resource->type);
4403
4404 case ACPI_RESOURCE_TYPE_END_TAG:
4405 return AE_OK;
4406 }
4407 return AE_CTRL_TERMINATE;
4408 }
4409
4410 static int sony_pic_possible_resources(struct acpi_device *device)
4411 {
4412 int result = 0;
4413 acpi_status status = AE_OK;
4414
4415 if (!device)
4416 return -EINVAL;
4417
4418 /* get device status */
4419 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4420 dprintk("Evaluating _STA\n");
4421 result = acpi_bus_get_status(device);
4422 if (result) {
4423 pr_warn("Unable to read status\n");
4424 goto end;
4425 }
4426
4427 if (!device->status.enabled)
4428 dprintk("Device disabled\n");
4429 else
4430 dprintk("Device enabled\n");
4431
4432 /*
4433 * Query and parse 'method'
4434 */
4435 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4436 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4437 sony_pic_read_possible_resource, &spic_dev);
4438 if (ACPI_FAILURE(status)) {
4439 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4440 result = -ENODEV;
4441 }
4442 end:
4443 return result;
4444 }
4445
4446 /*
4447 * Disable the spic device by calling its _DIS method
4448 */
4449 static int sony_pic_disable(struct acpi_device *device)
4450 {
4451 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4452 NULL);
4453
4454 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4455 return -ENXIO;
4456
4457 dprintk("Device disabled\n");
4458 return 0;
4459 }
4460
4461
4462 /*
4463 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4464 *
4465 * Call _SRS to set current resources
4466 */
4467 static int sony_pic_enable(struct acpi_device *device,
4468 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4469 {
4470 acpi_status status;
4471 int result = 0;
4472 /* Type 1 resource layout is:
4473 * IO
4474 * IO
4475 * IRQNoFlags
4476 * End
4477 *
4478 * Type 2 and 3 resource layout is:
4479 * IO
4480 * IRQNoFlags
4481 * End
4482 */
4483 struct {
4484 struct acpi_resource res1;
4485 struct acpi_resource res2;
4486 struct acpi_resource res3;
4487 struct acpi_resource res4;
4488 } *resource;
4489 struct acpi_buffer buffer = { 0, NULL };
4490
4491 if (!ioport || !irq)
4492 return -EINVAL;
4493
4494 /* init acpi_buffer */
4495 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4496 if (!resource)
4497 return -ENOMEM;
4498
4499 buffer.length = sizeof(*resource) + 1;
4500 buffer.pointer = resource;
4501
4502 /* setup Type 1 resources */
4503 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4504
4505 /* setup io resources */
4506 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4507 resource->res1.length = sizeof(struct acpi_resource);
4508 memcpy(&resource->res1.data.io, &ioport->io1,
4509 sizeof(struct acpi_resource_io));
4510
4511 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4512 resource->res2.length = sizeof(struct acpi_resource);
4513 memcpy(&resource->res2.data.io, &ioport->io2,
4514 sizeof(struct acpi_resource_io));
4515
4516 /* setup irq resource */
4517 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4518 resource->res3.length = sizeof(struct acpi_resource);
4519 memcpy(&resource->res3.data.irq, &irq->irq,
4520 sizeof(struct acpi_resource_irq));
4521 /* we requested a shared irq */
4522 resource->res3.data.irq.sharable = ACPI_SHARED;
4523
4524 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4525 resource->res4.length = sizeof(struct acpi_resource);
4526 }
4527 /* setup Type 2/3 resources */
4528 else {
4529 /* setup io resource */
4530 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4531 resource->res1.length = sizeof(struct acpi_resource);
4532 memcpy(&resource->res1.data.io, &ioport->io1,
4533 sizeof(struct acpi_resource_io));
4534
4535 /* setup irq resource */
4536 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4537 resource->res2.length = sizeof(struct acpi_resource);
4538 memcpy(&resource->res2.data.irq, &irq->irq,
4539 sizeof(struct acpi_resource_irq));
4540 /* we requested a shared irq */
4541 resource->res2.data.irq.sharable = ACPI_SHARED;
4542
4543 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4544 resource->res3.length = sizeof(struct acpi_resource);
4545 }
4546
4547 /* Attempt to set the resource */
4548 dprintk("Evaluating _SRS\n");
4549 status = acpi_set_current_resources(device->handle, &buffer);
4550
4551 /* check for total failure */
4552 if (ACPI_FAILURE(status)) {
4553 pr_err("Error evaluating _SRS\n");
4554 result = -ENODEV;
4555 goto end;
4556 }
4557
4558 /* Necessary device initializations calls (from sonypi) */
4559 sony_pic_call1(0x82);
4560 sony_pic_call2(0x81, 0xff);
4561 sony_pic_call1(compat ? 0x92 : 0x82);
4562
4563 end:
4564 kfree(resource);
4565 return result;
4566 }
4567
4568 /*****************
4569 *
4570 * ISR: some event is available
4571 *
4572 *****************/
4573 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4574 {
4575 int i, j;
4576 u8 ev = 0;
4577 u8 data_mask = 0;
4578 u8 device_event = 0;
4579
4580 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4581
4582 ev = inb_p(dev->cur_ioport->io1.minimum);
4583 if (dev->cur_ioport->io2.minimum)
4584 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4585 else
4586 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4587 dev->evport_offset);
4588
4589 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4590 ev, data_mask, dev->cur_ioport->io1.minimum,
4591 dev->evport_offset);
4592
4593 if (ev == 0x00 || ev == 0xff)
4594 return IRQ_HANDLED;
4595
4596 for (i = 0; dev->event_types[i].mask; i++) {
4597
4598 if ((data_mask & dev->event_types[i].data) !=
4599 dev->event_types[i].data)
4600 continue;
4601
4602 if (!(mask & dev->event_types[i].mask))
4603 continue;
4604
4605 for (j = 0; dev->event_types[i].events[j].event; j++) {
4606 if (ev == dev->event_types[i].events[j].data) {
4607 device_event =
4608 dev->event_types[i].events[j].event;
4609 /* some events may require ignoring */
4610 if (!device_event)
4611 return IRQ_HANDLED;
4612 goto found;
4613 }
4614 }
4615 }
4616 /* Still not able to decode the event try to pass
4617 * it over to the minidriver
4618 */
4619 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4620 return IRQ_HANDLED;
4621
4622 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4623 ev, data_mask, dev->cur_ioport->io1.minimum,
4624 dev->evport_offset);
4625 return IRQ_HANDLED;
4626
4627 found:
4628 sony_laptop_report_input_event(device_event);
4629 sonypi_compat_report_event(device_event);
4630 return IRQ_HANDLED;
4631 }
4632
4633 /*****************
4634 *
4635 * ACPI driver
4636 *
4637 *****************/
4638 static int sony_pic_remove(struct acpi_device *device)
4639 {
4640 struct sony_pic_ioport *io, *tmp_io;
4641 struct sony_pic_irq *irq, *tmp_irq;
4642
4643 if (sony_pic_disable(device)) {
4644 pr_err("Couldn't disable device\n");
4645 return -ENXIO;
4646 }
4647
4648 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4649 release_region(spic_dev.cur_ioport->io1.minimum,
4650 spic_dev.cur_ioport->io1.address_length);
4651 if (spic_dev.cur_ioport->io2.minimum)
4652 release_region(spic_dev.cur_ioport->io2.minimum,
4653 spic_dev.cur_ioport->io2.address_length);
4654
4655 sonypi_compat_exit();
4656
4657 sony_laptop_remove_input();
4658
4659 /* pf attrs */
4660 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4661 sony_pf_remove();
4662
4663 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4664 list_del(&io->list);
4665 kfree(io);
4666 }
4667 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4668 list_del(&irq->list);
4669 kfree(irq);
4670 }
4671 spic_dev.cur_ioport = NULL;
4672 spic_dev.cur_irq = NULL;
4673
4674 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4675 return 0;
4676 }
4677
4678 static int sony_pic_add(struct acpi_device *device)
4679 {
4680 int result;
4681 struct sony_pic_ioport *io, *tmp_io;
4682 struct sony_pic_irq *irq, *tmp_irq;
4683
4684 spic_dev.acpi_dev = device;
4685 strcpy(acpi_device_class(device), "sony/hotkey");
4686 sony_pic_detect_device_type(&spic_dev);
4687 mutex_init(&spic_dev.lock);
4688
4689 /* read _PRS resources */
4690 result = sony_pic_possible_resources(device);
4691 if (result) {
4692 pr_err("Unable to read possible resources\n");
4693 goto err_free_resources;
4694 }
4695
4696 /* setup input devices and helper fifo */
4697 result = sony_laptop_setup_input(device);
4698 if (result) {
4699 pr_err("Unable to create input devices\n");
4700 goto err_free_resources;
4701 }
4702
4703 result = sonypi_compat_init();
4704 if (result)
4705 goto err_remove_input;
4706
4707 /* request io port */
4708 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4709 if (request_region(io->io1.minimum, io->io1.address_length,
4710 "Sony Programmable I/O Device")) {
4711 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4712 io->io1.minimum, io->io1.maximum,
4713 io->io1.address_length);
4714 /* Type 1 have 2 ioports */
4715 if (io->io2.minimum) {
4716 if (request_region(io->io2.minimum,
4717 io->io2.address_length,
4718 "Sony Programmable I/O Device")) {
4719 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4720 io->io2.minimum, io->io2.maximum,
4721 io->io2.address_length);
4722 spic_dev.cur_ioport = io;
4723 break;
4724 }
4725 else {
4726 dprintk("Unable to get I/O port2: "
4727 "0x%.4x (0x%.4x) + 0x%.2x\n",
4728 io->io2.minimum, io->io2.maximum,
4729 io->io2.address_length);
4730 release_region(io->io1.minimum,
4731 io->io1.address_length);
4732 }
4733 }
4734 else {
4735 spic_dev.cur_ioport = io;
4736 break;
4737 }
4738 }
4739 }
4740 if (!spic_dev.cur_ioport) {
4741 pr_err("Failed to request_region\n");
4742 result = -ENODEV;
4743 goto err_remove_compat;
4744 }
4745
4746 /* request IRQ */
4747 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4748 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4749 0, "sony-laptop", &spic_dev)) {
4750 dprintk("IRQ: %d - triggering: %d - "
4751 "polarity: %d - shr: %d\n",
4752 irq->irq.interrupts[0],
4753 irq->irq.triggering,
4754 irq->irq.polarity,
4755 irq->irq.sharable);
4756 spic_dev.cur_irq = irq;
4757 break;
4758 }
4759 }
4760 if (!spic_dev.cur_irq) {
4761 pr_err("Failed to request_irq\n");
4762 result = -ENODEV;
4763 goto err_release_region;
4764 }
4765
4766 /* set resource status _SRS */
4767 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4768 if (result) {
4769 pr_err("Couldn't enable device\n");
4770 goto err_free_irq;
4771 }
4772
4773 spic_dev.bluetooth_power = -1;
4774 /* create device attributes */
4775 result = sony_pf_add();
4776 if (result)
4777 goto err_disable_device;
4778
4779 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4780 if (result)
4781 goto err_remove_pf;
4782
4783 pr_info("SPIC setup done.\n");
4784 return 0;
4785
4786 err_remove_pf:
4787 sony_pf_remove();
4788
4789 err_disable_device:
4790 sony_pic_disable(device);
4791
4792 err_free_irq:
4793 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4794
4795 err_release_region:
4796 release_region(spic_dev.cur_ioport->io1.minimum,
4797 spic_dev.cur_ioport->io1.address_length);
4798 if (spic_dev.cur_ioport->io2.minimum)
4799 release_region(spic_dev.cur_ioport->io2.minimum,
4800 spic_dev.cur_ioport->io2.address_length);
4801
4802 err_remove_compat:
4803 sonypi_compat_exit();
4804
4805 err_remove_input:
4806 sony_laptop_remove_input();
4807
4808 err_free_resources:
4809 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4810 list_del(&io->list);
4811 kfree(io);
4812 }
4813 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4814 list_del(&irq->list);
4815 kfree(irq);
4816 }
4817 spic_dev.cur_ioport = NULL;
4818 spic_dev.cur_irq = NULL;
4819
4820 return result;
4821 }
4822
4823 #ifdef CONFIG_PM_SLEEP
4824 static int sony_pic_suspend(struct device *dev)
4825 {
4826 if (sony_pic_disable(to_acpi_device(dev)))
4827 return -ENXIO;
4828 return 0;
4829 }
4830
4831 static int sony_pic_resume(struct device *dev)
4832 {
4833 sony_pic_enable(to_acpi_device(dev),
4834 spic_dev.cur_ioport, spic_dev.cur_irq);
4835 return 0;
4836 }
4837 #endif
4838
4839 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4840
4841 static const struct acpi_device_id sony_pic_device_ids[] = {
4842 {SONY_PIC_HID, 0},
4843 {"", 0},
4844 };
4845
4846 static struct acpi_driver sony_pic_driver = {
4847 .name = SONY_PIC_DRIVER_NAME,
4848 .class = SONY_PIC_CLASS,
4849 .ids = sony_pic_device_ids,
4850 .owner = THIS_MODULE,
4851 .ops = {
4852 .add = sony_pic_add,
4853 .remove = sony_pic_remove,
4854 },
4855 .drv.pm = &sony_pic_pm,
4856 };
4857
4858 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4859 {
4860 .ident = "Sony Vaio",
4861 .matches = {
4862 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4863 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4864 },
4865 },
4866 {
4867 .ident = "Sony Vaio",
4868 .matches = {
4869 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4870 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4871 },
4872 },
4873 { }
4874 };
4875
4876 static int __init sony_laptop_init(void)
4877 {
4878 int result;
4879
4880 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4881 result = acpi_bus_register_driver(&sony_pic_driver);
4882 if (result) {
4883 pr_err("Unable to register SPIC driver\n");
4884 goto out;
4885 }
4886 spic_drv_registered = 1;
4887 }
4888
4889 result = acpi_bus_register_driver(&sony_nc_driver);
4890 if (result) {
4891 pr_err("Unable to register SNC driver\n");
4892 goto out_unregister_pic;
4893 }
4894
4895 return 0;
4896
4897 out_unregister_pic:
4898 if (spic_drv_registered)
4899 acpi_bus_unregister_driver(&sony_pic_driver);
4900 out:
4901 return result;
4902 }
4903
4904 static void __exit sony_laptop_exit(void)
4905 {
4906 acpi_bus_unregister_driver(&sony_nc_driver);
4907 if (spic_drv_registered)
4908 acpi_bus_unregister_driver(&sony_pic_driver);
4909 }
4910
4911 module_init(sony_laptop_init);
4912 module_exit(sony_laptop_exit);
Linux kernel - Deliverables
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