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mmc: rtsx_pci: Enable MMC_CAP_ERASE to allow erase/discard/trim requests
[linux/fpc-iii.git] / drivers / platform / x86 / sony-laptop.c
blob1dba3598cfcbdc531f1cdde7249974f0af0d3ef0
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
46
47 #include <linux/kernel.h>
48 #include <linux/module.h>
49 #include <linux/moduleparam.h>
50 #include <linux/init.h>
51 #include <linux/types.h>
52 #include <linux/backlight.h>
53 #include <linux/platform_device.h>
54 #include <linux/err.h>
55 #include <linux/dmi.h>
56 #include <linux/pci.h>
57 #include <linux/interrupt.h>
58 #include <linux/delay.h>
59 #include <linux/input.h>
60 #include <linux/kfifo.h>
61 #include <linux/workqueue.h>
62 #include <linux/acpi.h>
63 #include <linux/slab.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71 #include <asm/uaccess.h>
72 #include <acpi/video.h>
73
74 #define dprintk(fmt, ...) \
75 do { \
76 if (debug) \
77 pr_warn(fmt, ##__VA_ARGS__); \
78 } while (0)
79
80 #define SONY_NC_CLASS "sony-nc"
81 #define SONY_NC_HID "SNY5001"
82 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
83
84 #define SONY_PIC_CLASS "sony-pic"
85 #define SONY_PIC_HID "SNY6001"
86 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
87
88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
90 MODULE_LICENSE("GPL");
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
96
97 static int no_spic; /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102 static int compat; /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
112 static int camera; /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124 #endif
125
126 static int kbd_backlight = -1;
127 module_param(kbd_backlight, int, 0444);
128 MODULE_PARM_DESC(kbd_backlight,
129 "set this to 0 to disable keyboard backlight, "
130 "1 to enable it with automatic control and 2 to have it always "
131 "on (default: no change from current value)");
132
133 static int kbd_backlight_timeout = -1;
134 module_param(kbd_backlight_timeout, int, 0444);
135 MODULE_PARM_DESC(kbd_backlight_timeout,
136 "meaningful values vary from 0 to 3 and their meaning depends "
137 "on the model (default: no change from current value)");
138
139 #ifdef CONFIG_PM_SLEEP
140 static void sony_nc_thermal_resume(void);
141 #endif
142 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
143 unsigned int handle);
144 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
145 unsigned int handle);
146
147 static int sony_nc_battery_care_setup(struct platform_device *pd,
148 unsigned int handle);
149 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
150
151 static int sony_nc_thermal_setup(struct platform_device *pd);
152 static void sony_nc_thermal_cleanup(struct platform_device *pd);
153
154 static int sony_nc_lid_resume_setup(struct platform_device *pd,
155 unsigned int handle);
156 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
157
158 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
159 unsigned int handle);
160 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
161 static int __sony_nc_gfx_switch_status_get(void);
162
163 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
164 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
165
166 static int sony_nc_lowbatt_setup(struct platform_device *pd);
167 static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
168
169 static int sony_nc_fanspeed_setup(struct platform_device *pd);
170 static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
171
172 static int sony_nc_usb_charge_setup(struct platform_device *pd);
173 static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
174
175 static int sony_nc_panelid_setup(struct platform_device *pd);
176 static void sony_nc_panelid_cleanup(struct platform_device *pd);
177
178 static int sony_nc_smart_conn_setup(struct platform_device *pd);
179 static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
180
181 static int sony_nc_touchpad_setup(struct platform_device *pd,
182 unsigned int handle);
183 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
184
185 enum sony_nc_rfkill {
186 SONY_WIFI,
187 SONY_BLUETOOTH,
188 SONY_WWAN,
189 SONY_WIMAX,
190 N_SONY_RFKILL,
191 };
192
193 static int sony_rfkill_handle;
194 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
195 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
196 static int sony_nc_rfkill_setup(struct acpi_device *device,
197 unsigned int handle);
198 static void sony_nc_rfkill_cleanup(void);
199 static void sony_nc_rfkill_update(void);
200
201 /*********** Input Devices ***********/
202
203 #define SONY_LAPTOP_BUF_SIZE 128
204 struct sony_laptop_input_s {
205 atomic_t users;
206 struct input_dev *jog_dev;
207 struct input_dev *key_dev;
208 struct kfifo fifo;
209 spinlock_t fifo_lock;
210 struct timer_list release_key_timer;
211 };
212
213 static struct sony_laptop_input_s sony_laptop_input = {
214 .users = ATOMIC_INIT(0),
215 };
216
217 struct sony_laptop_keypress {
218 struct input_dev *dev;
219 int key;
220 };
221
222 /* Correspondance table between sonypi events
223 * and input layer indexes in the keymap
224 */
225 static int sony_laptop_input_index[] = {
226 -1, /* 0 no event */
227 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
228 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
229 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
230 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
231 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
232 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
233 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
234 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
235 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
236 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
237 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
238 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
239 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
240 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
241 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
242 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
243 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
244 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
245 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
246 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
247 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
248 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
249 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
250 17, /* 24 SONYPI_EVENT_FNKEY_1 */
251 18, /* 25 SONYPI_EVENT_FNKEY_2 */
252 19, /* 26 SONYPI_EVENT_FNKEY_D */
253 20, /* 27 SONYPI_EVENT_FNKEY_E */
254 21, /* 28 SONYPI_EVENT_FNKEY_F */
255 22, /* 29 SONYPI_EVENT_FNKEY_S */
256 23, /* 30 SONYPI_EVENT_FNKEY_B */
257 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
258 25, /* 32 SONYPI_EVENT_PKEY_P1 */
259 26, /* 33 SONYPI_EVENT_PKEY_P2 */
260 27, /* 34 SONYPI_EVENT_PKEY_P3 */
261 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
262 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
263 -1, /* 37 SONYPI_EVENT_LID_OPENED */
264 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
265 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
266 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
267 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
268 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
269 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
270 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
271 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
272 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
273 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
274 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
275 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
276 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
277 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
278 43, /* 52 SONYPI_EVENT_MEYE_FACE */
279 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
280 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
281 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
282 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
283 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
284 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
285 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
286 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
287 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
288 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
289 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
290 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
291 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
292 53, /* 66 SONYPI_EVENT_PKEY_P4 */
293 54, /* 67 SONYPI_EVENT_PKEY_P5 */
294 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
295 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
296 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
297 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
298 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
299 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
300 };
301
302 static int sony_laptop_input_keycode_map[] = {
303 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
304 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
305 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
306 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
307 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
308 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
309 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
310 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
311 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
312 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
313 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
314 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
315 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
316 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
317 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
318 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
319 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
320 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
321 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
322 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
323 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
324 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
325 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
326 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
327 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
328 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
329 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
330 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
331 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
332 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
333 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
334 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
335 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
336 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
337 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
338 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
339 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
340 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
341 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
342 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
343 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
344 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
345 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
346 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
347 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
348 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
349 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
350 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
351 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
352 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
353 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
354 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
355 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
356 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
357 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
358 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
359 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
360 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
361 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
362 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
363 };
364
365 /* release buttons after a short delay if pressed */
366 static void do_sony_laptop_release_key(unsigned long unused)
367 {
368 struct sony_laptop_keypress kp;
369 unsigned long flags;
370
371 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
372
373 if (kfifo_out(&sony_laptop_input.fifo,
374 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
375 input_report_key(kp.dev, kp.key, 0);
376 input_sync(kp.dev);
377 }
378
379 /* If there is something in the fifo schedule next release. */
380 if (kfifo_len(&sony_laptop_input.fifo) != 0)
381 mod_timer(&sony_laptop_input.release_key_timer,
382 jiffies + msecs_to_jiffies(10));
383
384 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
385 }
386
387 /* forward event to the input subsystem */
388 static void sony_laptop_report_input_event(u8 event)
389 {
390 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
391 struct input_dev *key_dev = sony_laptop_input.key_dev;
392 struct sony_laptop_keypress kp = { NULL };
393 int scancode = -1;
394
395 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
396 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
397 /* Nothing, not all VAIOs generate this event */
398 return;
399 }
400
401 /* report events */
402 switch (event) {
403 /* jog_dev events */
404 case SONYPI_EVENT_JOGDIAL_UP:
405 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
406 input_report_rel(jog_dev, REL_WHEEL, 1);
407 input_sync(jog_dev);
408 return;
409
410 case SONYPI_EVENT_JOGDIAL_DOWN:
411 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
412 input_report_rel(jog_dev, REL_WHEEL, -1);
413 input_sync(jog_dev);
414 return;
415
416 /* key_dev events */
417 case SONYPI_EVENT_JOGDIAL_PRESSED:
418 kp.key = BTN_MIDDLE;
419 kp.dev = jog_dev;
420 break;
421
422 default:
423 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
424 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
425 break;
426 }
427 if ((scancode = sony_laptop_input_index[event]) != -1) {
428 kp.key = sony_laptop_input_keycode_map[scancode];
429 if (kp.key != KEY_UNKNOWN)
430 kp.dev = key_dev;
431 }
432 break;
433 }
434
435 if (kp.dev) {
436 /* if we have a scancode we emit it so we can always
437 remap the key */
438 if (scancode != -1)
439 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
440 input_report_key(kp.dev, kp.key, 1);
441 input_sync(kp.dev);
442
443 /* schedule key release */
444 kfifo_in_locked(&sony_laptop_input.fifo,
445 (unsigned char *)&kp, sizeof(kp),
446 &sony_laptop_input.fifo_lock);
447 mod_timer(&sony_laptop_input.release_key_timer,
448 jiffies + msecs_to_jiffies(10));
449 } else
450 dprintk("unknown input event %.2x\n", event);
451 }
452
453 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
454 {
455 struct input_dev *jog_dev;
456 struct input_dev *key_dev;
457 int i;
458 int error;
459
460 /* don't run again if already initialized */
461 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
462 return 0;
463
464 /* kfifo */
465 spin_lock_init(&sony_laptop_input.fifo_lock);
466 error = kfifo_alloc(&sony_laptop_input.fifo,
467 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
468 if (error) {
469 pr_err("kfifo_alloc failed\n");
470 goto err_dec_users;
471 }
472
473 setup_timer(&sony_laptop_input.release_key_timer,
474 do_sony_laptop_release_key, 0);
475
476 /* input keys */
477 key_dev = input_allocate_device();
478 if (!key_dev) {
479 error = -ENOMEM;
480 goto err_free_kfifo;
481 }
482
483 key_dev->name = "Sony Vaio Keys";
484 key_dev->id.bustype = BUS_ISA;
485 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
486 key_dev->dev.parent = &acpi_device->dev;
487
488 /* Initialize the Input Drivers: special keys */
489 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
490
491 __set_bit(EV_KEY, key_dev->evbit);
492 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
493 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
494 key_dev->keycode = &sony_laptop_input_keycode_map;
495 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
496 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
497 __clear_bit(KEY_RESERVED, key_dev->keybit);
498
499 error = input_register_device(key_dev);
500 if (error)
501 goto err_free_keydev;
502
503 sony_laptop_input.key_dev = key_dev;
504
505 /* jogdial */
506 jog_dev = input_allocate_device();
507 if (!jog_dev) {
508 error = -ENOMEM;
509 goto err_unregister_keydev;
510 }
511
512 jog_dev->name = "Sony Vaio Jogdial";
513 jog_dev->id.bustype = BUS_ISA;
514 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
515 jog_dev->dev.parent = &acpi_device->dev;
516
517 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
518 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
519
520 error = input_register_device(jog_dev);
521 if (error)
522 goto err_free_jogdev;
523
524 sony_laptop_input.jog_dev = jog_dev;
525
526 return 0;
527
528 err_free_jogdev:
529 input_free_device(jog_dev);
530
531 err_unregister_keydev:
532 input_unregister_device(key_dev);
533 /* to avoid kref underflow below at input_free_device */
534 key_dev = NULL;
535
536 err_free_keydev:
537 input_free_device(key_dev);
538
539 err_free_kfifo:
540 kfifo_free(&sony_laptop_input.fifo);
541
542 err_dec_users:
543 atomic_dec(&sony_laptop_input.users);
544 return error;
545 }
546
547 static void sony_laptop_remove_input(void)
548 {
549 struct sony_laptop_keypress kp = { NULL };
550
551 /* Cleanup only after the last user has gone */
552 if (!atomic_dec_and_test(&sony_laptop_input.users))
553 return;
554
555 del_timer_sync(&sony_laptop_input.release_key_timer);
556
557 /*
558 * Generate key-up events for remaining keys. Note that we don't
559 * need locking since nobody is adding new events to the kfifo.
560 */
561 while (kfifo_out(&sony_laptop_input.fifo,
562 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
563 input_report_key(kp.dev, kp.key, 0);
564 input_sync(kp.dev);
565 }
566
567 /* destroy input devs */
568 input_unregister_device(sony_laptop_input.key_dev);
569 sony_laptop_input.key_dev = NULL;
570
571 if (sony_laptop_input.jog_dev) {
572 input_unregister_device(sony_laptop_input.jog_dev);
573 sony_laptop_input.jog_dev = NULL;
574 }
575
576 kfifo_free(&sony_laptop_input.fifo);
577 }
578
579 /*********** Platform Device ***********/
580
581 static atomic_t sony_pf_users = ATOMIC_INIT(0);
582 static struct platform_driver sony_pf_driver = {
583 .driver = {
584 .name = "sony-laptop",
585 }
586 };
587 static struct platform_device *sony_pf_device;
588
589 static int sony_pf_add(void)
590 {
591 int ret = 0;
592
593 /* don't run again if already initialized */
594 if (atomic_add_return(1, &sony_pf_users) > 1)
595 return 0;
596
597 ret = platform_driver_register(&sony_pf_driver);
598 if (ret)
599 goto out;
600
601 sony_pf_device = platform_device_alloc("sony-laptop", -1);
602 if (!sony_pf_device) {
603 ret = -ENOMEM;
604 goto out_platform_registered;
605 }
606
607 ret = platform_device_add(sony_pf_device);
608 if (ret)
609 goto out_platform_alloced;
610
611 return 0;
612
613 out_platform_alloced:
614 platform_device_put(sony_pf_device);
615 sony_pf_device = NULL;
616 out_platform_registered:
617 platform_driver_unregister(&sony_pf_driver);
618 out:
619 atomic_dec(&sony_pf_users);
620 return ret;
621 }
622
623 static void sony_pf_remove(void)
624 {
625 /* deregister only after the last user has gone */
626 if (!atomic_dec_and_test(&sony_pf_users))
627 return;
628
629 platform_device_unregister(sony_pf_device);
630 platform_driver_unregister(&sony_pf_driver);
631 }
632
633 /*********** SNC (SNY5001) Device ***********/
634
635 /* the device uses 1-based values, while the backlight subsystem uses
636 0-based values */
637 #define SONY_MAX_BRIGHTNESS 8
638
639 #define SNC_VALIDATE_IN 0
640 #define SNC_VALIDATE_OUT 1
641
642 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
643 char *);
644 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
645 const char *, size_t);
646 static int boolean_validate(const int, const int);
647 static int brightness_default_validate(const int, const int);
648
649 struct sony_nc_value {
650 char *name; /* name of the entry */
651 char **acpiget; /* names of the ACPI get function */
652 char **acpiset; /* names of the ACPI set function */
653 int (*validate)(const int, const int); /* input/output validation */
654 int value; /* current setting */
655 int valid; /* Has ever been set */
656 int debug; /* active only in debug mode ? */
657 struct device_attribute devattr; /* sysfs attribute */
658 };
659
660 #define SNC_HANDLE_NAMES(_name, _values...) \
661 static char *snc_##_name[] = { _values, NULL }
662
663 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
664 { \
665 .name = __stringify(_name), \
666 .acpiget = _getters, \
667 .acpiset = _setters, \
668 .validate = _validate, \
669 .debug = _debug, \
670 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
671 }
672
673 #define SNC_HANDLE_NULL { .name = NULL }
674
675 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
676
677 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
678 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
679
680 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
681 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
682
683 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
684 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
685
686 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
687 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
688
689 SNC_HANDLE_NAMES(lidstate_get, "GLID");
690
691 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
692 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
693
694 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
695 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
696
697 SNC_HANDLE_NAMES(PID_get, "GPID");
698
699 SNC_HANDLE_NAMES(CTR_get, "GCTR");
700 SNC_HANDLE_NAMES(CTR_set, "SCTR");
701
702 SNC_HANDLE_NAMES(PCR_get, "GPCR");
703 SNC_HANDLE_NAMES(PCR_set, "SPCR");
704
705 SNC_HANDLE_NAMES(CMI_get, "GCMI");
706 SNC_HANDLE_NAMES(CMI_set, "SCMI");
707
708 static struct sony_nc_value sony_nc_values[] = {
709 SNC_HANDLE(brightness_default, snc_brightness_def_get,
710 snc_brightness_def_set, brightness_default_validate, 0),
711 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
712 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
713 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
714 boolean_validate, 0),
715 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
716 boolean_validate, 1),
717 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
718 boolean_validate, 0),
719 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
720 boolean_validate, 0),
721 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
722 boolean_validate, 0),
723 /* unknown methods */
724 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
725 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
726 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
727 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
728 SNC_HANDLE_NULL
729 };
730
731 static acpi_handle sony_nc_acpi_handle;
732 static struct acpi_device *sony_nc_acpi_device = NULL;
733
734 /*
735 * acpi_evaluate_object wrappers
736 * all useful calls into SNC methods take one or zero parameters and return
737 * integers or arrays.
738 */
739 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
740 u64 *value)
741 {
742 union acpi_object *result = NULL;
743 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
744 acpi_status status;
745
746 if (value) {
747 struct acpi_object_list params;
748 union acpi_object in;
749 in.type = ACPI_TYPE_INTEGER;
750 in.integer.value = *value;
751 params.count = 1;
752 params.pointer = &in;
753 status = acpi_evaluate_object(handle, method, &params, &output);
754 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
755 (unsigned int)(*value >> 32),
756 (unsigned int)*value & 0xffffffff);
757 } else {
758 status = acpi_evaluate_object(handle, method, NULL, &output);
759 dprintk("__call_snc_method: [%s]\n", method);
760 }
761
762 if (ACPI_FAILURE(status)) {
763 pr_err("Failed to evaluate [%s]\n", method);
764 return NULL;
765 }
766
767 result = (union acpi_object *) output.pointer;
768 if (!result)
769 dprintk("No return object [%s]\n", method);
770
771 return result;
772 }
773
774 static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
775 int *result)
776 {
777 union acpi_object *object = NULL;
778 if (value) {
779 u64 v = *value;
780 object = __call_snc_method(handle, name, &v);
781 } else
782 object = __call_snc_method(handle, name, NULL);
783
784 if (!object)
785 return -EINVAL;
786
787 if (object->type != ACPI_TYPE_INTEGER) {
788 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
789 ACPI_TYPE_INTEGER, object->type);
790 kfree(object);
791 return -EINVAL;
792 }
793
794 if (result)
795 *result = object->integer.value;
796
797 kfree(object);
798 return 0;
799 }
800
801 #define MIN(a, b) (a > b ? b : a)
802 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
803 void *buffer, size_t buflen)
804 {
805 int ret = 0;
806 size_t len;
807 union acpi_object *object = __call_snc_method(handle, name, value);
808
809 if (!object)
810 return -EINVAL;
811
812 if (object->type == ACPI_TYPE_BUFFER) {
813 len = MIN(buflen, object->buffer.length);
814 memcpy(buffer, object->buffer.pointer, len);
815
816 } else if (object->type == ACPI_TYPE_INTEGER) {
817 len = MIN(buflen, sizeof(object->integer.value));
818 memcpy(buffer, &object->integer.value, len);
819
820 } else {
821 pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
822 ACPI_TYPE_BUFFER, object->type);
823 ret = -EINVAL;
824 }
825
826 kfree(object);
827 return ret;
828 }
829
830 struct sony_nc_handles {
831 u16 cap[0x10];
832 struct device_attribute devattr;
833 };
834
835 static struct sony_nc_handles *handles;
836
837 static ssize_t sony_nc_handles_show(struct device *dev,
838 struct device_attribute *attr, char *buffer)
839 {
840 ssize_t len = 0;
841 int i;
842
843 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
844 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
845 handles->cap[i]);
846 }
847 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
848
849 return len;
850 }
851
852 static int sony_nc_handles_setup(struct platform_device *pd)
853 {
854 int i, r, result, arg;
855
856 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
857 if (!handles)
858 return -ENOMEM;
859
860 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
861 arg = i + 0x20;
862 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
863 &result);
864 if (!r) {
865 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
866 result, i);
867 handles->cap[i] = result;
868 }
869 }
870
871 if (debug) {
872 sysfs_attr_init(&handles->devattr.attr);
873 handles->devattr.attr.name = "handles";
874 handles->devattr.attr.mode = S_IRUGO;
875 handles->devattr.show = sony_nc_handles_show;
876
877 /* allow reading capabilities via sysfs */
878 if (device_create_file(&pd->dev, &handles->devattr)) {
879 kfree(handles);
880 handles = NULL;
881 return -1;
882 }
883 }
884
885 return 0;
886 }
887
888 static int sony_nc_handles_cleanup(struct platform_device *pd)
889 {
890 if (handles) {
891 if (debug)
892 device_remove_file(&pd->dev, &handles->devattr);
893 kfree(handles);
894 handles = NULL;
895 }
896 return 0;
897 }
898
899 static int sony_find_snc_handle(int handle)
900 {
901 int i;
902
903 /* not initialized yet, return early */
904 if (!handles || !handle)
905 return -EINVAL;
906
907 for (i = 0; i < 0x10; i++) {
908 if (handles->cap[i] == handle) {
909 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
910 handle, i);
911 return i;
912 }
913 }
914 dprintk("handle 0x%.4x not found\n", handle);
915 return -EINVAL;
916 }
917
918 static int sony_call_snc_handle(int handle, int argument, int *result)
919 {
920 int arg, ret = 0;
921 int offset = sony_find_snc_handle(handle);
922
923 if (offset < 0)
924 return offset;
925
926 arg = offset | argument;
927 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
928 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
929 return ret;
930 }
931
932 /*
933 * sony_nc_values input/output validate functions
934 */
935
936 /* brightness_default_validate:
937 *
938 * manipulate input output values to keep consistency with the
939 * backlight framework for which brightness values are 0-based.
940 */
941 static int brightness_default_validate(const int direction, const int value)
942 {
943 switch (direction) {
944 case SNC_VALIDATE_OUT:
945 return value - 1;
946 case SNC_VALIDATE_IN:
947 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
948 return value + 1;
949 }
950 return -EINVAL;
951 }
952
953 /* boolean_validate:
954 *
955 * on input validate boolean values 0/1, on output just pass the
956 * received value.
957 */
958 static int boolean_validate(const int direction, const int value)
959 {
960 if (direction == SNC_VALIDATE_IN) {
961 if (value != 0 && value != 1)
962 return -EINVAL;
963 }
964 return value;
965 }
966
967 /*
968 * Sysfs show/store common to all sony_nc_values
969 */
970 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
971 char *buffer)
972 {
973 int value, ret = 0;
974 struct sony_nc_value *item =
975 container_of(attr, struct sony_nc_value, devattr);
976
977 if (!*item->acpiget)
978 return -EIO;
979
980 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
981 &value);
982 if (ret < 0)
983 return -EIO;
984
985 if (item->validate)
986 value = item->validate(SNC_VALIDATE_OUT, value);
987
988 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
989 }
990
991 static ssize_t sony_nc_sysfs_store(struct device *dev,
992 struct device_attribute *attr,
993 const char *buffer, size_t count)
994 {
995 int value;
996 int ret = 0;
997 struct sony_nc_value *item =
998 container_of(attr, struct sony_nc_value, devattr);
999
1000 if (!item->acpiset)
1001 return -EIO;
1002
1003 if (count > 31)
1004 return -EINVAL;
1005
1006 if (kstrtoint(buffer, 10, &value))
1007 return -EINVAL;
1008
1009 if (item->validate)
1010 value = item->validate(SNC_VALIDATE_IN, value);
1011
1012 if (value < 0)
1013 return value;
1014
1015 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1016 &value, NULL);
1017 if (ret < 0)
1018 return -EIO;
1019
1020 item->value = value;
1021 item->valid = 1;
1022 return count;
1023 }
1024
1025
1026 /*
1027 * Backlight device
1028 */
1029 struct sony_backlight_props {
1030 struct backlight_device *dev;
1031 int handle;
1032 int cmd_base;
1033 u8 offset;
1034 u8 maxlvl;
1035 };
1036 static struct sony_backlight_props sony_bl_props;
1037
1038 static int sony_backlight_update_status(struct backlight_device *bd)
1039 {
1040 int arg = bd->props.brightness + 1;
1041 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1042 }
1043
1044 static int sony_backlight_get_brightness(struct backlight_device *bd)
1045 {
1046 int value;
1047
1048 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1049 return 0;
1050 /* brightness levels are 1-based, while backlight ones are 0-based */
1051 return value - 1;
1052 }
1053
1054 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1055 {
1056 int result;
1057 struct sony_backlight_props *sdev =
1058 (struct sony_backlight_props *)bl_get_data(bd);
1059
1060 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1061
1062 return (result & 0xff) - sdev->offset;
1063 }
1064
1065 static int sony_nc_update_status_ng(struct backlight_device *bd)
1066 {
1067 int value, result;
1068 struct sony_backlight_props *sdev =
1069 (struct sony_backlight_props *)bl_get_data(bd);
1070
1071 value = bd->props.brightness + sdev->offset;
1072 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1073 &result))
1074 return -EIO;
1075
1076 return value;
1077 }
1078
1079 static const struct backlight_ops sony_backlight_ops = {
1080 .options = BL_CORE_SUSPENDRESUME,
1081 .update_status = sony_backlight_update_status,
1082 .get_brightness = sony_backlight_get_brightness,
1083 };
1084 static const struct backlight_ops sony_backlight_ng_ops = {
1085 .options = BL_CORE_SUSPENDRESUME,
1086 .update_status = sony_nc_update_status_ng,
1087 .get_brightness = sony_nc_get_brightness_ng,
1088 };
1089
1090 /*
1091 * New SNC-only Vaios event mapping to driver known keys
1092 */
1093 struct sony_nc_event {
1094 u8 data;
1095 u8 event;
1096 };
1097
1098 static struct sony_nc_event sony_100_events[] = {
1099 { 0x90, SONYPI_EVENT_PKEY_P1 },
1100 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1101 { 0x91, SONYPI_EVENT_PKEY_P2 },
1102 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1103 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1104 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1105 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1106 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1107 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1108 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1109 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1110 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1111 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1112 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1113 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1114 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1115 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1116 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1117 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1118 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1119 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1120 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1121 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1122 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1123 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1124 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1125 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1126 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1127 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1128 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1129 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1130 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1131 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1132 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1133 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1134 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1135 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1136 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1137 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1138 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1139 { 0xa8, SONYPI_EVENT_FNKEY_1 },
1140 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
1141 { 0, 0 },
1142 };
1143
1144 static struct sony_nc_event sony_127_events[] = {
1145 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1146 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1147 { 0x82, SONYPI_EVENT_PKEY_P1 },
1148 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1149 { 0x83, SONYPI_EVENT_PKEY_P2 },
1150 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1151 { 0x84, SONYPI_EVENT_PKEY_P3 },
1152 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1153 { 0x85, SONYPI_EVENT_PKEY_P4 },
1154 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1155 { 0x86, SONYPI_EVENT_PKEY_P5 },
1156 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1157 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1158 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1159 { 0, 0 },
1160 };
1161
1162 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1163 {
1164 int ret = -EINVAL;
1165 unsigned int result = 0;
1166 struct sony_nc_event *key_event;
1167
1168 if (sony_call_snc_handle(handle, 0x200, &result)) {
1169 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1170 event);
1171 return -EINVAL;
1172 }
1173
1174 result &= 0xFF;
1175
1176 if (handle == 0x0100)
1177 key_event = sony_100_events;
1178 else
1179 key_event = sony_127_events;
1180
1181 for (; key_event->data; key_event++) {
1182 if (key_event->data == result) {
1183 ret = key_event->event;
1184 break;
1185 }
1186 }
1187
1188 if (!key_event->data)
1189 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1190 event, result, handle);
1191
1192 return ret;
1193 }
1194
1195 /*
1196 * ACPI callbacks
1197 */
1198 enum event_types {
1199 HOTKEY = 1,
1200 KILLSWITCH,
1201 GFX_SWITCH
1202 };
1203 static void sony_nc_notify(struct acpi_device *device, u32 event)
1204 {
1205 u32 real_ev = event;
1206 u8 ev_type = 0;
1207 int ret;
1208
1209 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1210
1211 if (event >= 0x90) {
1212 unsigned int result = 0;
1213 unsigned int arg = 0;
1214 unsigned int handle = 0;
1215 unsigned int offset = event - 0x90;
1216
1217 if (offset >= ARRAY_SIZE(handles->cap)) {
1218 pr_err("Event 0x%x outside of capabilities list\n",
1219 event);
1220 return;
1221 }
1222 handle = handles->cap[offset];
1223
1224 /* list of handles known for generating events */
1225 switch (handle) {
1226 /* hotkey event */
1227 case 0x0100:
1228 case 0x0127:
1229 ev_type = HOTKEY;
1230 ret = sony_nc_hotkeys_decode(event, handle);
1231
1232 if (ret > 0) {
1233 sony_laptop_report_input_event(ret);
1234 real_ev = ret;
1235 }
1236
1237 break;
1238
1239 /* wlan switch */
1240 case 0x0124:
1241 case 0x0135:
1242 /* events on this handle are reported when the
1243 * switch changes position or for battery
1244 * events. We'll notify both of them but only
1245 * update the rfkill device status when the
1246 * switch is moved.
1247 */
1248 ev_type = KILLSWITCH;
1249 sony_call_snc_handle(handle, 0x0100, &result);
1250 real_ev = result & 0x03;
1251
1252 /* hw switch event */
1253 if (real_ev == 1)
1254 sony_nc_rfkill_update();
1255
1256 break;
1257
1258 case 0x0128:
1259 case 0x0146:
1260 /* Hybrid GFX switching */
1261 sony_call_snc_handle(handle, 0x0000, &result);
1262 dprintk("GFX switch event received (reason: %s)\n",
1263 (result == 0x1) ? "switch change" :
1264 (result == 0x2) ? "output switch" :
1265 (result == 0x3) ? "output switch" :
1266 "");
1267
1268 ev_type = GFX_SWITCH;
1269 real_ev = __sony_nc_gfx_switch_status_get();
1270 break;
1271
1272 case 0x015B:
1273 /* Hybrid GFX switching SVS151290S */
1274 ev_type = GFX_SWITCH;
1275 real_ev = __sony_nc_gfx_switch_status_get();
1276 break;
1277 default:
1278 dprintk("Unknown event 0x%x for handle 0x%x\n",
1279 event, handle);
1280 break;
1281 }
1282
1283 /* clear the event (and the event reason when present) */
1284 arg = 1 << offset;
1285 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1286
1287 } else {
1288 /* old style event */
1289 ev_type = HOTKEY;
1290 sony_laptop_report_input_event(real_ev);
1291 }
1292 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1293 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1294 }
1295
1296 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1297 void *context, void **return_value)
1298 {
1299 struct acpi_device_info *info;
1300
1301 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1302 pr_warn("method: name: %4.4s, args %X\n",
1303 (char *)&info->name, info->param_count);
1304
1305 kfree(info);
1306 }
1307
1308 return AE_OK;
1309 }
1310
1311 /*
1312 * ACPI device
1313 */
1314 static void sony_nc_function_setup(struct acpi_device *device,
1315 struct platform_device *pf_device)
1316 {
1317 unsigned int i, result, bitmask, arg;
1318
1319 if (!handles)
1320 return;
1321
1322 /* setup found handles here */
1323 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1324 unsigned int handle = handles->cap[i];
1325
1326 if (!handle)
1327 continue;
1328
1329 dprintk("setting up handle 0x%.4x\n", handle);
1330
1331 switch (handle) {
1332 case 0x0100:
1333 case 0x0101:
1334 case 0x0127:
1335 /* setup hotkeys */
1336 sony_call_snc_handle(handle, 0, &result);
1337 break;
1338 case 0x0102:
1339 /* setup hotkeys */
1340 sony_call_snc_handle(handle, 0x100, &result);
1341 break;
1342 case 0x0105:
1343 case 0x0148:
1344 /* touchpad enable/disable */
1345 result = sony_nc_touchpad_setup(pf_device, handle);
1346 if (result)
1347 pr_err("couldn't set up touchpad control function (%d)\n",
1348 result);
1349 break;
1350 case 0x0115:
1351 case 0x0136:
1352 case 0x013f:
1353 result = sony_nc_battery_care_setup(pf_device, handle);
1354 if (result)
1355 pr_err("couldn't set up battery care function (%d)\n",
1356 result);
1357 break;
1358 case 0x0119:
1359 case 0x015D:
1360 result = sony_nc_lid_resume_setup(pf_device, handle);
1361 if (result)
1362 pr_err("couldn't set up lid resume function (%d)\n",
1363 result);
1364 break;
1365 case 0x0122:
1366 result = sony_nc_thermal_setup(pf_device);
1367 if (result)
1368 pr_err("couldn't set up thermal profile function (%d)\n",
1369 result);
1370 break;
1371 case 0x0128:
1372 case 0x0146:
1373 case 0x015B:
1374 result = sony_nc_gfx_switch_setup(pf_device, handle);
1375 if (result)
1376 pr_err("couldn't set up GFX Switch status (%d)\n",
1377 result);
1378 break;
1379 case 0x0131:
1380 result = sony_nc_highspeed_charging_setup(pf_device);
1381 if (result)
1382 pr_err("couldn't set up high speed charging function (%d)\n",
1383 result);
1384 break;
1385 case 0x0124:
1386 case 0x0135:
1387 result = sony_nc_rfkill_setup(device, handle);
1388 if (result)
1389 pr_err("couldn't set up rfkill support (%d)\n",
1390 result);
1391 break;
1392 case 0x0137:
1393 case 0x0143:
1394 case 0x014b:
1395 case 0x014c:
1396 case 0x0153:
1397 case 0x0163:
1398 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1399 if (result)
1400 pr_err("couldn't set up keyboard backlight function (%d)\n",
1401 result);
1402 break;
1403 case 0x0121:
1404 result = sony_nc_lowbatt_setup(pf_device);
1405 if (result)
1406 pr_err("couldn't set up low battery function (%d)\n",
1407 result);
1408 break;
1409 case 0x0149:
1410 result = sony_nc_fanspeed_setup(pf_device);
1411 if (result)
1412 pr_err("couldn't set up fan speed function (%d)\n",
1413 result);
1414 break;
1415 case 0x0155:
1416 result = sony_nc_usb_charge_setup(pf_device);
1417 if (result)
1418 pr_err("couldn't set up USB charge support (%d)\n",
1419 result);
1420 break;
1421 case 0x011D:
1422 result = sony_nc_panelid_setup(pf_device);
1423 if (result)
1424 pr_err("couldn't set up panel ID function (%d)\n",
1425 result);
1426 break;
1427 case 0x0168:
1428 result = sony_nc_smart_conn_setup(pf_device);
1429 if (result)
1430 pr_err("couldn't set up smart connect support (%d)\n",
1431 result);
1432 break;
1433 default:
1434 continue;
1435 }
1436 }
1437
1438 /* Enable all events */
1439 arg = 0x10;
1440 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1441 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1442 &result);
1443 }
1444
1445 static void sony_nc_function_cleanup(struct platform_device *pd)
1446 {
1447 unsigned int i, result, bitmask, handle;
1448
1449 if (!handles)
1450 return;
1451
1452 /* get enabled events and disable them */
1453 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1454 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1455
1456 /* cleanup handles here */
1457 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1458
1459 handle = handles->cap[i];
1460
1461 if (!handle)
1462 continue;
1463
1464 switch (handle) {
1465 case 0x0105:
1466 case 0x0148:
1467 sony_nc_touchpad_cleanup(pd);
1468 break;
1469 case 0x0115:
1470 case 0x0136:
1471 case 0x013f:
1472 sony_nc_battery_care_cleanup(pd);
1473 break;
1474 case 0x0119:
1475 case 0x015D:
1476 sony_nc_lid_resume_cleanup(pd);
1477 break;
1478 case 0x0122:
1479 sony_nc_thermal_cleanup(pd);
1480 break;
1481 case 0x0128:
1482 case 0x0146:
1483 case 0x015B:
1484 sony_nc_gfx_switch_cleanup(pd);
1485 break;
1486 case 0x0131:
1487 sony_nc_highspeed_charging_cleanup(pd);
1488 break;
1489 case 0x0124:
1490 case 0x0135:
1491 sony_nc_rfkill_cleanup();
1492 break;
1493 case 0x0137:
1494 case 0x0143:
1495 case 0x014b:
1496 case 0x014c:
1497 case 0x0153:
1498 case 0x0163:
1499 sony_nc_kbd_backlight_cleanup(pd, handle);
1500 break;
1501 case 0x0121:
1502 sony_nc_lowbatt_cleanup(pd);
1503 break;
1504 case 0x0149:
1505 sony_nc_fanspeed_cleanup(pd);
1506 break;
1507 case 0x0155:
1508 sony_nc_usb_charge_cleanup(pd);
1509 break;
1510 case 0x011D:
1511 sony_nc_panelid_cleanup(pd);
1512 break;
1513 case 0x0168:
1514 sony_nc_smart_conn_cleanup(pd);
1515 break;
1516 default:
1517 continue;
1518 }
1519 }
1520
1521 /* finally cleanup the handles list */
1522 sony_nc_handles_cleanup(pd);
1523 }
1524
1525 #ifdef CONFIG_PM_SLEEP
1526 static void sony_nc_function_resume(void)
1527 {
1528 unsigned int i, result, bitmask, arg;
1529
1530 dprintk("Resuming SNC device\n");
1531
1532 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1533 unsigned int handle = handles->cap[i];
1534
1535 if (!handle)
1536 continue;
1537
1538 switch (handle) {
1539 case 0x0100:
1540 case 0x0101:
1541 case 0x0127:
1542 /* re-enable hotkeys */
1543 sony_call_snc_handle(handle, 0, &result);
1544 break;
1545 case 0x0102:
1546 /* re-enable hotkeys */
1547 sony_call_snc_handle(handle, 0x100, &result);
1548 break;
1549 case 0x0122:
1550 sony_nc_thermal_resume();
1551 break;
1552 case 0x0124:
1553 case 0x0135:
1554 sony_nc_rfkill_update();
1555 break;
1556 default:
1557 continue;
1558 }
1559 }
1560
1561 /* Enable all events */
1562 arg = 0x10;
1563 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1564 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1565 &result);
1566 }
1567
1568 static int sony_nc_resume(struct device *dev)
1569 {
1570 struct sony_nc_value *item;
1571
1572 for (item = sony_nc_values; item->name; item++) {
1573 int ret;
1574
1575 if (!item->valid)
1576 continue;
1577 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1578 &item->value, NULL);
1579 if (ret < 0) {
1580 pr_err("%s: %d\n", __func__, ret);
1581 break;
1582 }
1583 }
1584
1585 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1586 int arg = 1;
1587 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1588 dprintk("ECON Method failed\n");
1589 }
1590
1591 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1592 sony_nc_function_resume();
1593
1594 return 0;
1595 }
1596 #endif
1597
1598 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1599
1600 static void sony_nc_rfkill_cleanup(void)
1601 {
1602 int i;
1603
1604 for (i = 0; i < N_SONY_RFKILL; i++) {
1605 if (sony_rfkill_devices[i]) {
1606 rfkill_unregister(sony_rfkill_devices[i]);
1607 rfkill_destroy(sony_rfkill_devices[i]);
1608 }
1609 }
1610 }
1611
1612 static int sony_nc_rfkill_set(void *data, bool blocked)
1613 {
1614 int result;
1615 int argument = sony_rfkill_address[(long) data] + 0x100;
1616
1617 if (!blocked)
1618 argument |= 0x070000;
1619
1620 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1621 }
1622
1623 static const struct rfkill_ops sony_rfkill_ops = {
1624 .set_block = sony_nc_rfkill_set,
1625 };
1626
1627 static int sony_nc_setup_rfkill(struct acpi_device *device,
1628 enum sony_nc_rfkill nc_type)
1629 {
1630 int err = 0;
1631 struct rfkill *rfk;
1632 enum rfkill_type type;
1633 const char *name;
1634 int result;
1635 bool hwblock, swblock;
1636
1637 switch (nc_type) {
1638 case SONY_WIFI:
1639 type = RFKILL_TYPE_WLAN;
1640 name = "sony-wifi";
1641 break;
1642 case SONY_BLUETOOTH:
1643 type = RFKILL_TYPE_BLUETOOTH;
1644 name = "sony-bluetooth";
1645 break;
1646 case SONY_WWAN:
1647 type = RFKILL_TYPE_WWAN;
1648 name = "sony-wwan";
1649 break;
1650 case SONY_WIMAX:
1651 type = RFKILL_TYPE_WIMAX;
1652 name = "sony-wimax";
1653 break;
1654 default:
1655 return -EINVAL;
1656 }
1657
1658 rfk = rfkill_alloc(name, &device->dev, type,
1659 &sony_rfkill_ops, (void *)nc_type);
1660 if (!rfk)
1661 return -ENOMEM;
1662
1663 if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) {
1664 rfkill_destroy(rfk);
1665 return -1;
1666 }
1667 hwblock = !(result & 0x1);
1668
1669 if (sony_call_snc_handle(sony_rfkill_handle,
1670 sony_rfkill_address[nc_type],
1671 &result) < 0) {
1672 rfkill_destroy(rfk);
1673 return -1;
1674 }
1675 swblock = !(result & 0x2);
1676
1677 rfkill_init_sw_state(rfk, swblock);
1678 rfkill_set_hw_state(rfk, hwblock);
1679
1680 err = rfkill_register(rfk);
1681 if (err) {
1682 rfkill_destroy(rfk);
1683 return err;
1684 }
1685 sony_rfkill_devices[nc_type] = rfk;
1686 return err;
1687 }
1688
1689 static void sony_nc_rfkill_update(void)
1690 {
1691 enum sony_nc_rfkill i;
1692 int result;
1693 bool hwblock;
1694
1695 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1696 hwblock = !(result & 0x1);
1697
1698 for (i = 0; i < N_SONY_RFKILL; i++) {
1699 int argument = sony_rfkill_address[i];
1700
1701 if (!sony_rfkill_devices[i])
1702 continue;
1703
1704 if (hwblock) {
1705 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1706 /* we already know we're blocked */
1707 }
1708 continue;
1709 }
1710
1711 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1712 rfkill_set_states(sony_rfkill_devices[i],
1713 !(result & 0x2), false);
1714 }
1715 }
1716
1717 static int sony_nc_rfkill_setup(struct acpi_device *device,
1718 unsigned int handle)
1719 {
1720 u64 offset;
1721 int i;
1722 unsigned char buffer[32] = { 0 };
1723
1724 offset = sony_find_snc_handle(handle);
1725 sony_rfkill_handle = handle;
1726
1727 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1728 32);
1729 if (i < 0)
1730 return i;
1731
1732 /* The buffer is filled with magic numbers describing the devices
1733 * available, 0xff terminates the enumeration.
1734 * Known codes:
1735 * 0x00 WLAN
1736 * 0x10 BLUETOOTH
1737 * 0x20 WWAN GPRS-EDGE
1738 * 0x21 WWAN HSDPA
1739 * 0x22 WWAN EV-DO
1740 * 0x23 WWAN GPS
1741 * 0x25 Gobi WWAN no GPS
1742 * 0x26 Gobi WWAN + GPS
1743 * 0x28 Gobi WWAN no GPS
1744 * 0x29 Gobi WWAN + GPS
1745 * 0x30 WIMAX
1746 * 0x50 Gobi WWAN no GPS
1747 * 0x51 Gobi WWAN + GPS
1748 * 0x70 no SIM card slot
1749 * 0x71 SIM card slot
1750 */
1751 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1752
1753 if (buffer[i] == 0xff)
1754 break;
1755
1756 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1757
1758 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1759 sony_nc_setup_rfkill(device, SONY_WIFI);
1760
1761 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1762 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1763
1764 if (((0xf0 & buffer[i]) == 0x20 ||
1765 (0xf0 & buffer[i]) == 0x50) &&
1766 !sony_rfkill_devices[SONY_WWAN])
1767 sony_nc_setup_rfkill(device, SONY_WWAN);
1768
1769 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1770 sony_nc_setup_rfkill(device, SONY_WIMAX);
1771 }
1772 return 0;
1773 }
1774
1775 /* Keyboard backlight feature */
1776 struct kbd_backlight {
1777 unsigned int handle;
1778 unsigned int base;
1779 unsigned int mode;
1780 unsigned int timeout;
1781 unsigned int has_timeout;
1782 struct device_attribute mode_attr;
1783 struct device_attribute timeout_attr;
1784 };
1785
1786 static struct kbd_backlight *kbdbl_ctl;
1787
1788 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1789 {
1790 int result;
1791
1792 if (value > 2)
1793 return -EINVAL;
1794
1795 if (sony_call_snc_handle(kbdbl_ctl->handle,
1796 (value << 0x10) | (kbdbl_ctl->base), &result))
1797 return -EIO;
1798
1799 /* Try to turn the light on/off immediately */
1800 if (value != 1)
1801 sony_call_snc_handle(kbdbl_ctl->handle,
1802 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1803 &result);
1804
1805 kbdbl_ctl->mode = value;
1806
1807 return 0;
1808 }
1809
1810 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1811 struct device_attribute *attr,
1812 const char *buffer, size_t count)
1813 {
1814 int ret = 0;
1815 unsigned long value;
1816
1817 if (count > 31)
1818 return -EINVAL;
1819
1820 if (kstrtoul(buffer, 10, &value))
1821 return -EINVAL;
1822
1823 ret = __sony_nc_kbd_backlight_mode_set(value);
1824 if (ret < 0)
1825 return ret;
1826
1827 return count;
1828 }
1829
1830 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1831 struct device_attribute *attr, char *buffer)
1832 {
1833 ssize_t count = 0;
1834 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1835 return count;
1836 }
1837
1838 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1839 {
1840 int result;
1841
1842 if (value > 3)
1843 return -EINVAL;
1844
1845 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1846 (kbdbl_ctl->base + 0x200), &result))
1847 return -EIO;
1848
1849 kbdbl_ctl->timeout = value;
1850
1851 return 0;
1852 }
1853
1854 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1855 struct device_attribute *attr,
1856 const char *buffer, size_t count)
1857 {
1858 int ret = 0;
1859 unsigned long value;
1860
1861 if (count > 31)
1862 return -EINVAL;
1863
1864 if (kstrtoul(buffer, 10, &value))
1865 return -EINVAL;
1866
1867 ret = __sony_nc_kbd_backlight_timeout_set(value);
1868 if (ret < 0)
1869 return ret;
1870
1871 return count;
1872 }
1873
1874 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1875 struct device_attribute *attr, char *buffer)
1876 {
1877 ssize_t count = 0;
1878 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1879 return count;
1880 }
1881
1882 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1883 unsigned int handle)
1884 {
1885 int result;
1886 int probe_base = 0;
1887 int ctl_base = 0;
1888 int ret = 0;
1889
1890 if (kbdbl_ctl) {
1891 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1892 handle, kbdbl_ctl->handle);
1893 return -EBUSY;
1894 }
1895
1896 /* verify the kbd backlight presence, some of these handles are not used
1897 * for keyboard backlight only
1898 */
1899 switch (handle) {
1900 case 0x0153:
1901 probe_base = 0x0;
1902 ctl_base = 0x0;
1903 break;
1904 case 0x0137:
1905 probe_base = 0x0B00;
1906 ctl_base = 0x0C00;
1907 break;
1908 default:
1909 probe_base = 0x0100;
1910 ctl_base = 0x4000;
1911 break;
1912 }
1913
1914 ret = sony_call_snc_handle(handle, probe_base, &result);
1915 if (ret)
1916 return ret;
1917
1918 if ((handle == 0x0137 && !(result & 0x02)) ||
1919 !(result & 0x01)) {
1920 dprintk("no backlight keyboard found\n");
1921 return 0;
1922 }
1923
1924 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1925 if (!kbdbl_ctl)
1926 return -ENOMEM;
1927
1928 kbdbl_ctl->mode = kbd_backlight;
1929 kbdbl_ctl->timeout = kbd_backlight_timeout;
1930 kbdbl_ctl->handle = handle;
1931 kbdbl_ctl->base = ctl_base;
1932 /* Some models do not allow timeout control */
1933 kbdbl_ctl->has_timeout = handle != 0x0153;
1934
1935 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1936 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1937 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1938 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1939 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1940
1941 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1942 if (ret)
1943 goto outkzalloc;
1944
1945 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1946
1947 if (kbdbl_ctl->has_timeout) {
1948 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1949 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1950 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1951 kbdbl_ctl->timeout_attr.show =
1952 sony_nc_kbd_backlight_timeout_show;
1953 kbdbl_ctl->timeout_attr.store =
1954 sony_nc_kbd_backlight_timeout_store;
1955
1956 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1957 if (ret)
1958 goto outmode;
1959
1960 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1961 }
1962
1963
1964 return 0;
1965
1966 outmode:
1967 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1968 outkzalloc:
1969 kfree(kbdbl_ctl);
1970 kbdbl_ctl = NULL;
1971 return ret;
1972 }
1973
1974 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1975 unsigned int handle)
1976 {
1977 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1978 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1979 if (kbdbl_ctl->has_timeout)
1980 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1981 kfree(kbdbl_ctl);
1982 kbdbl_ctl = NULL;
1983 }
1984 }
1985
1986 struct battery_care_control {
1987 struct device_attribute attrs[2];
1988 unsigned int handle;
1989 };
1990 static struct battery_care_control *bcare_ctl;
1991
1992 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1993 struct device_attribute *attr,
1994 const char *buffer, size_t count)
1995 {
1996 unsigned int result, cmd;
1997 unsigned long value;
1998
1999 if (count > 31)
2000 return -EINVAL;
2001
2002 if (kstrtoul(buffer, 10, &value))
2003 return -EINVAL;
2004
2005 /* limit values (2 bits):
2006 * 00 - none
2007 * 01 - 80%
2008 * 10 - 50%
2009 * 11 - 100%
2010 *
2011 * bit 0: 0 disable BCL, 1 enable BCL
2012 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
2013 * bits 2,3: reserved
2014 * bits 4,5: store the limit into the EC
2015 * bits 6,7: store the limit into the battery
2016 */
2017 cmd = 0;
2018
2019 if (value > 0) {
2020 if (value <= 50)
2021 cmd = 0x20;
2022
2023 else if (value <= 80)
2024 cmd = 0x10;
2025
2026 else if (value <= 100)
2027 cmd = 0x30;
2028
2029 else
2030 return -EINVAL;
2031
2032 /*
2033 * handle 0x0115 should allow storing on battery too;
2034 * handle 0x0136 same as 0x0115 + health status;
2035 * handle 0x013f, same as 0x0136 but no storing on the battery
2036 */
2037 if (bcare_ctl->handle != 0x013f)
2038 cmd = cmd | (cmd << 2);
2039
2040 cmd = (cmd | 0x1) << 0x10;
2041 }
2042
2043 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2044 return -EIO;
2045
2046 return count;
2047 }
2048
2049 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2050 struct device_attribute *attr, char *buffer)
2051 {
2052 unsigned int result, status;
2053
2054 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2055 return -EIO;
2056
2057 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2058 switch (status) {
2059 case 1:
2060 status = 80;
2061 break;
2062 case 2:
2063 status = 50;
2064 break;
2065 case 3:
2066 status = 100;
2067 break;
2068 default:
2069 status = 0;
2070 break;
2071 }
2072
2073 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2074 }
2075
2076 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2077 struct device_attribute *attr, char *buffer)
2078 {
2079 ssize_t count = 0;
2080 unsigned int health;
2081
2082 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2083 return -EIO;
2084
2085 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2086
2087 return count;
2088 }
2089
2090 static int sony_nc_battery_care_setup(struct platform_device *pd,
2091 unsigned int handle)
2092 {
2093 int ret = 0;
2094
2095 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2096 if (!bcare_ctl)
2097 return -ENOMEM;
2098
2099 bcare_ctl->handle = handle;
2100
2101 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2102 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2103 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2104 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2105 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2106
2107 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2108 if (ret)
2109 goto outkzalloc;
2110
2111 /* 0x0115 is for models with no health reporting capability */
2112 if (handle == 0x0115)
2113 return 0;
2114
2115 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2116 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2117 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2118 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2119
2120 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2121 if (ret)
2122 goto outlimiter;
2123
2124 return 0;
2125
2126 outlimiter:
2127 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2128
2129 outkzalloc:
2130 kfree(bcare_ctl);
2131 bcare_ctl = NULL;
2132
2133 return ret;
2134 }
2135
2136 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2137 {
2138 if (bcare_ctl) {
2139 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2140 if (bcare_ctl->handle != 0x0115)
2141 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2142
2143 kfree(bcare_ctl);
2144 bcare_ctl = NULL;
2145 }
2146 }
2147
2148 struct snc_thermal_ctrl {
2149 unsigned int mode;
2150 unsigned int profiles;
2151 struct device_attribute mode_attr;
2152 struct device_attribute profiles_attr;
2153 };
2154 static struct snc_thermal_ctrl *th_handle;
2155
2156 #define THM_PROFILE_MAX 3
2157 static const char * const snc_thermal_profiles[] = {
2158 "balanced",
2159 "silent",
2160 "performance"
2161 };
2162
2163 static int sony_nc_thermal_mode_set(unsigned short mode)
2164 {
2165 unsigned int result;
2166
2167 /* the thermal profile seems to be a two bit bitmask:
2168 * lsb -> silent
2169 * msb -> performance
2170 * no bit set is the normal operation and is always valid
2171 * Some vaio models only have "balanced" and "performance"
2172 */
2173 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2174 return -EINVAL;
2175
2176 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2177 return -EIO;
2178
2179 th_handle->mode = mode;
2180
2181 return 0;
2182 }
2183
2184 static int sony_nc_thermal_mode_get(void)
2185 {
2186 unsigned int result;
2187
2188 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2189 return -EIO;
2190
2191 return result & 0xff;
2192 }
2193
2194 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2195 struct device_attribute *attr, char *buffer)
2196 {
2197 short cnt;
2198 size_t idx = 0;
2199
2200 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2201 if (!cnt || (th_handle->profiles & cnt))
2202 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2203 snc_thermal_profiles[cnt]);
2204 }
2205 idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2206
2207 return idx;
2208 }
2209
2210 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2211 struct device_attribute *attr,
2212 const char *buffer, size_t count)
2213 {
2214 unsigned short cmd;
2215 size_t len = count;
2216
2217 if (count == 0)
2218 return -EINVAL;
2219
2220 /* skip the newline if present */
2221 if (buffer[len - 1] == '\n')
2222 len--;
2223
2224 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2225 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2226 break;
2227
2228 if (sony_nc_thermal_mode_set(cmd))
2229 return -EIO;
2230
2231 return count;
2232 }
2233
2234 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2235 struct device_attribute *attr, char *buffer)
2236 {
2237 ssize_t count = 0;
2238 int mode = sony_nc_thermal_mode_get();
2239
2240 if (mode < 0)
2241 return mode;
2242
2243 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2244
2245 return count;
2246 }
2247
2248 static int sony_nc_thermal_setup(struct platform_device *pd)
2249 {
2250 int ret = 0;
2251 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2252 if (!th_handle)
2253 return -ENOMEM;
2254
2255 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2256 if (ret) {
2257 pr_warn("couldn't to read the thermal profiles\n");
2258 goto outkzalloc;
2259 }
2260
2261 ret = sony_nc_thermal_mode_get();
2262 if (ret < 0) {
2263 pr_warn("couldn't to read the current thermal profile");
2264 goto outkzalloc;
2265 }
2266 th_handle->mode = ret;
2267
2268 sysfs_attr_init(&th_handle->profiles_attr.attr);
2269 th_handle->profiles_attr.attr.name = "thermal_profiles";
2270 th_handle->profiles_attr.attr.mode = S_IRUGO;
2271 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2272
2273 sysfs_attr_init(&th_handle->mode_attr.attr);
2274 th_handle->mode_attr.attr.name = "thermal_control";
2275 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2276 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2277 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2278
2279 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2280 if (ret)
2281 goto outkzalloc;
2282
2283 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2284 if (ret)
2285 goto outprofiles;
2286
2287 return 0;
2288
2289 outprofiles:
2290 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2291 outkzalloc:
2292 kfree(th_handle);
2293 th_handle = NULL;
2294 return ret;
2295 }
2296
2297 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2298 {
2299 if (th_handle) {
2300 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2301 device_remove_file(&pd->dev, &th_handle->mode_attr);
2302 kfree(th_handle);
2303 th_handle = NULL;
2304 }
2305 }
2306
2307 #ifdef CONFIG_PM_SLEEP
2308 static void sony_nc_thermal_resume(void)
2309 {
2310 unsigned int status = sony_nc_thermal_mode_get();
2311
2312 if (status != th_handle->mode)
2313 sony_nc_thermal_mode_set(th_handle->mode);
2314 }
2315 #endif
2316
2317 /* resume on LID open */
2318 #define LID_RESUME_S5 0
2319 #define LID_RESUME_S4 1
2320 #define LID_RESUME_S3 2
2321 #define LID_RESUME_MAX 3
2322 struct snc_lid_resume_control {
2323 struct device_attribute attrs[LID_RESUME_MAX];
2324 unsigned int status;
2325 int handle;
2326 };
2327 static struct snc_lid_resume_control *lid_ctl;
2328
2329 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2330 struct device_attribute *attr,
2331 const char *buffer, size_t count)
2332 {
2333 unsigned int result;
2334 unsigned long value;
2335 unsigned int pos = LID_RESUME_S5;
2336 if (count > 31)
2337 return -EINVAL;
2338
2339 if (kstrtoul(buffer, 10, &value) || value > 1)
2340 return -EINVAL;
2341
2342 /* the value we have to write to SNC is a bitmask:
2343 * +--------------+
2344 * | S3 | S4 | S5 |
2345 * +--------------+
2346 * 2 1 0
2347 */
2348 while (pos < LID_RESUME_MAX) {
2349 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2350 break;
2351 pos++;
2352 }
2353 if (pos == LID_RESUME_MAX)
2354 return -EINVAL;
2355
2356 if (value)
2357 value = lid_ctl->status | (1 << pos);
2358 else
2359 value = lid_ctl->status & ~(1 << pos);
2360
2361 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2362 &result))
2363 return -EIO;
2364
2365 lid_ctl->status = value;
2366
2367 return count;
2368 }
2369
2370 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2371 struct device_attribute *attr,
2372 char *buffer)
2373 {
2374 unsigned int pos = LID_RESUME_S5;
2375
2376 while (pos < LID_RESUME_MAX) {
2377 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2378 return snprintf(buffer, PAGE_SIZE, "%d\n",
2379 (lid_ctl->status >> pos) & 0x01);
2380 pos++;
2381 }
2382 return -EINVAL;
2383 }
2384
2385 static int sony_nc_lid_resume_setup(struct platform_device *pd,
2386 unsigned int handle)
2387 {
2388 unsigned int result;
2389 int i;
2390
2391 if (sony_call_snc_handle(handle, 0x0000, &result))
2392 return -EIO;
2393
2394 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2395 if (!lid_ctl)
2396 return -ENOMEM;
2397
2398 lid_ctl->status = result & 0x7;
2399 lid_ctl->handle = handle;
2400
2401 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2402 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2403 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2404 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2405 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2406
2407 if (handle == 0x0119) {
2408 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2409 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2410 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2411 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2412 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2413
2414 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2415 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2416 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2417 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2418 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2419 }
2420 for (i = 0; i < LID_RESUME_MAX &&
2421 lid_ctl->attrs[i].attr.name; i++) {
2422 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2423 if (result)
2424 goto liderror;
2425 }
2426
2427 return 0;
2428
2429 liderror:
2430 for (i--; i >= 0; i--)
2431 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2432
2433 kfree(lid_ctl);
2434 lid_ctl = NULL;
2435
2436 return result;
2437 }
2438
2439 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2440 {
2441 int i;
2442
2443 if (lid_ctl) {
2444 for (i = 0; i < LID_RESUME_MAX; i++) {
2445 if (!lid_ctl->attrs[i].attr.name)
2446 break;
2447
2448 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2449 }
2450
2451 kfree(lid_ctl);
2452 lid_ctl = NULL;
2453 }
2454 }
2455
2456 /* GFX Switch position */
2457 enum gfx_switch {
2458 SPEED,
2459 STAMINA,
2460 AUTO
2461 };
2462 struct snc_gfx_switch_control {
2463 struct device_attribute attr;
2464 unsigned int handle;
2465 };
2466 static struct snc_gfx_switch_control *gfxs_ctl;
2467
2468 /* returns 0 for speed, 1 for stamina */
2469 static int __sony_nc_gfx_switch_status_get(void)
2470 {
2471 unsigned int result;
2472
2473 if (sony_call_snc_handle(gfxs_ctl->handle,
2474 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2475 &result))
2476 return -EIO;
2477
2478 switch (gfxs_ctl->handle) {
2479 case 0x0146:
2480 /* 1: discrete GFX (speed)
2481 * 0: integrated GFX (stamina)
2482 */
2483 return result & 0x1 ? SPEED : STAMINA;
2484 break;
2485 case 0x015B:
2486 /* 0: discrete GFX (speed)
2487 * 1: integrated GFX (stamina)
2488 */
2489 return result & 0x1 ? STAMINA : SPEED;
2490 break;
2491 case 0x0128:
2492 /* it's a more elaborated bitmask, for now:
2493 * 2: integrated GFX (stamina)
2494 * 0: discrete GFX (speed)
2495 */
2496 dprintk("GFX Status: 0x%x\n", result);
2497 return result & 0x80 ? AUTO :
2498 result & 0x02 ? STAMINA : SPEED;
2499 break;
2500 }
2501 return -EINVAL;
2502 }
2503
2504 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2505 struct device_attribute *attr,
2506 char *buffer)
2507 {
2508 int pos = __sony_nc_gfx_switch_status_get();
2509
2510 if (pos < 0)
2511 return pos;
2512
2513 return snprintf(buffer, PAGE_SIZE, "%s\n",
2514 pos == SPEED ? "speed" :
2515 pos == STAMINA ? "stamina" :
2516 pos == AUTO ? "auto" : "unknown");
2517 }
2518
2519 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2520 unsigned int handle)
2521 {
2522 unsigned int result;
2523
2524 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2525 if (!gfxs_ctl)
2526 return -ENOMEM;
2527
2528 gfxs_ctl->handle = handle;
2529
2530 sysfs_attr_init(&gfxs_ctl->attr.attr);
2531 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2532 gfxs_ctl->attr.attr.mode = S_IRUGO;
2533 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2534
2535 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2536 if (result)
2537 goto gfxerror;
2538
2539 return 0;
2540
2541 gfxerror:
2542 kfree(gfxs_ctl);
2543 gfxs_ctl = NULL;
2544
2545 return result;
2546 }
2547
2548 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2549 {
2550 if (gfxs_ctl) {
2551 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2552
2553 kfree(gfxs_ctl);
2554 gfxs_ctl = NULL;
2555 }
2556 }
2557
2558 /* High speed charging function */
2559 static struct device_attribute *hsc_handle;
2560
2561 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2562 struct device_attribute *attr,
2563 const char *buffer, size_t count)
2564 {
2565 unsigned int result;
2566 unsigned long value;
2567
2568 if (count > 31)
2569 return -EINVAL;
2570
2571 if (kstrtoul(buffer, 10, &value) || value > 1)
2572 return -EINVAL;
2573
2574 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2575 return -EIO;
2576
2577 return count;
2578 }
2579
2580 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2581 struct device_attribute *attr, char *buffer)
2582 {
2583 unsigned int result;
2584
2585 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2586 return -EIO;
2587
2588 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2589 }
2590
2591 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2592 {
2593 unsigned int result;
2594
2595 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2596 /* some models advertise the handle but have no implementation
2597 * for it
2598 */
2599 pr_info("No High Speed Charging capability found\n");
2600 return 0;
2601 }
2602
2603 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2604 if (!hsc_handle)
2605 return -ENOMEM;
2606
2607 sysfs_attr_init(&hsc_handle->attr);
2608 hsc_handle->attr.name = "battery_highspeed_charging";
2609 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2610 hsc_handle->show = sony_nc_highspeed_charging_show;
2611 hsc_handle->store = sony_nc_highspeed_charging_store;
2612
2613 result = device_create_file(&pd->dev, hsc_handle);
2614 if (result) {
2615 kfree(hsc_handle);
2616 hsc_handle = NULL;
2617 return result;
2618 }
2619
2620 return 0;
2621 }
2622
2623 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2624 {
2625 if (hsc_handle) {
2626 device_remove_file(&pd->dev, hsc_handle);
2627 kfree(hsc_handle);
2628 hsc_handle = NULL;
2629 }
2630 }
2631
2632 /* low battery function */
2633 static struct device_attribute *lowbatt_handle;
2634
2635 static ssize_t sony_nc_lowbatt_store(struct device *dev,
2636 struct device_attribute *attr,
2637 const char *buffer, size_t count)
2638 {
2639 unsigned int result;
2640 unsigned long value;
2641
2642 if (count > 31)
2643 return -EINVAL;
2644
2645 if (kstrtoul(buffer, 10, &value) || value > 1)
2646 return -EINVAL;
2647
2648 if (sony_call_snc_handle(0x0121, value << 8, &result))
2649 return -EIO;
2650
2651 return count;
2652 }
2653
2654 static ssize_t sony_nc_lowbatt_show(struct device *dev,
2655 struct device_attribute *attr, char *buffer)
2656 {
2657 unsigned int result;
2658
2659 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2660 return -EIO;
2661
2662 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2663 }
2664
2665 static int sony_nc_lowbatt_setup(struct platform_device *pd)
2666 {
2667 unsigned int result;
2668
2669 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2670 if (!lowbatt_handle)
2671 return -ENOMEM;
2672
2673 sysfs_attr_init(&lowbatt_handle->attr);
2674 lowbatt_handle->attr.name = "lowbatt_hibernate";
2675 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2676 lowbatt_handle->show = sony_nc_lowbatt_show;
2677 lowbatt_handle->store = sony_nc_lowbatt_store;
2678
2679 result = device_create_file(&pd->dev, lowbatt_handle);
2680 if (result) {
2681 kfree(lowbatt_handle);
2682 lowbatt_handle = NULL;
2683 return result;
2684 }
2685
2686 return 0;
2687 }
2688
2689 static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2690 {
2691 if (lowbatt_handle) {
2692 device_remove_file(&pd->dev, lowbatt_handle);
2693 kfree(lowbatt_handle);
2694 lowbatt_handle = NULL;
2695 }
2696 }
2697
2698 /* fan speed function */
2699 static struct device_attribute *fan_handle, *hsf_handle;
2700
2701 static ssize_t sony_nc_hsfan_store(struct device *dev,
2702 struct device_attribute *attr,
2703 const char *buffer, size_t count)
2704 {
2705 unsigned int result;
2706 unsigned long value;
2707
2708 if (count > 31)
2709 return -EINVAL;
2710
2711 if (kstrtoul(buffer, 10, &value) || value > 1)
2712 return -EINVAL;
2713
2714 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2715 return -EIO;
2716
2717 return count;
2718 }
2719
2720 static ssize_t sony_nc_hsfan_show(struct device *dev,
2721 struct device_attribute *attr, char *buffer)
2722 {
2723 unsigned int result;
2724
2725 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2726 return -EIO;
2727
2728 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2729 }
2730
2731 static ssize_t sony_nc_fanspeed_show(struct device *dev,
2732 struct device_attribute *attr, char *buffer)
2733 {
2734 unsigned int result;
2735
2736 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2737 return -EIO;
2738
2739 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2740 }
2741
2742 static int sony_nc_fanspeed_setup(struct platform_device *pd)
2743 {
2744 unsigned int result;
2745
2746 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2747 if (!fan_handle)
2748 return -ENOMEM;
2749
2750 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2751 if (!hsf_handle) {
2752 result = -ENOMEM;
2753 goto out_hsf_handle_alloc;
2754 }
2755
2756 sysfs_attr_init(&fan_handle->attr);
2757 fan_handle->attr.name = "fanspeed";
2758 fan_handle->attr.mode = S_IRUGO;
2759 fan_handle->show = sony_nc_fanspeed_show;
2760 fan_handle->store = NULL;
2761
2762 sysfs_attr_init(&hsf_handle->attr);
2763 hsf_handle->attr.name = "fan_forced";
2764 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2765 hsf_handle->show = sony_nc_hsfan_show;
2766 hsf_handle->store = sony_nc_hsfan_store;
2767
2768 result = device_create_file(&pd->dev, fan_handle);
2769 if (result)
2770 goto out_fan_handle;
2771
2772 result = device_create_file(&pd->dev, hsf_handle);
2773 if (result)
2774 goto out_hsf_handle;
2775
2776 return 0;
2777
2778 out_hsf_handle:
2779 device_remove_file(&pd->dev, fan_handle);
2780
2781 out_fan_handle:
2782 kfree(hsf_handle);
2783 hsf_handle = NULL;
2784
2785 out_hsf_handle_alloc:
2786 kfree(fan_handle);
2787 fan_handle = NULL;
2788 return result;
2789 }
2790
2791 static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2792 {
2793 if (fan_handle) {
2794 device_remove_file(&pd->dev, fan_handle);
2795 kfree(fan_handle);
2796 fan_handle = NULL;
2797 }
2798 if (hsf_handle) {
2799 device_remove_file(&pd->dev, hsf_handle);
2800 kfree(hsf_handle);
2801 hsf_handle = NULL;
2802 }
2803 }
2804
2805 /* USB charge function */
2806 static struct device_attribute *uc_handle;
2807
2808 static ssize_t sony_nc_usb_charge_store(struct device *dev,
2809 struct device_attribute *attr,
2810 const char *buffer, size_t count)
2811 {
2812 unsigned int result;
2813 unsigned long value;
2814
2815 if (count > 31)
2816 return -EINVAL;
2817
2818 if (kstrtoul(buffer, 10, &value) || value > 1)
2819 return -EINVAL;
2820
2821 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2822 return -EIO;
2823
2824 return count;
2825 }
2826
2827 static ssize_t sony_nc_usb_charge_show(struct device *dev,
2828 struct device_attribute *attr, char *buffer)
2829 {
2830 unsigned int result;
2831
2832 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2833 return -EIO;
2834
2835 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2836 }
2837
2838 static int sony_nc_usb_charge_setup(struct platform_device *pd)
2839 {
2840 unsigned int result;
2841
2842 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2843 /* some models advertise the handle but have no implementation
2844 * for it
2845 */
2846 pr_info("No USB Charge capability found\n");
2847 return 0;
2848 }
2849
2850 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2851 if (!uc_handle)
2852 return -ENOMEM;
2853
2854 sysfs_attr_init(&uc_handle->attr);
2855 uc_handle->attr.name = "usb_charge";
2856 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2857 uc_handle->show = sony_nc_usb_charge_show;
2858 uc_handle->store = sony_nc_usb_charge_store;
2859
2860 result = device_create_file(&pd->dev, uc_handle);
2861 if (result) {
2862 kfree(uc_handle);
2863 uc_handle = NULL;
2864 return result;
2865 }
2866
2867 return 0;
2868 }
2869
2870 static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2871 {
2872 if (uc_handle) {
2873 device_remove_file(&pd->dev, uc_handle);
2874 kfree(uc_handle);
2875 uc_handle = NULL;
2876 }
2877 }
2878
2879 /* Panel ID function */
2880 static struct device_attribute *panel_handle;
2881
2882 static ssize_t sony_nc_panelid_show(struct device *dev,
2883 struct device_attribute *attr, char *buffer)
2884 {
2885 unsigned int result;
2886
2887 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2888 return -EIO;
2889
2890 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2891 }
2892
2893 static int sony_nc_panelid_setup(struct platform_device *pd)
2894 {
2895 unsigned int result;
2896
2897 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2898 if (!panel_handle)
2899 return -ENOMEM;
2900
2901 sysfs_attr_init(&panel_handle->attr);
2902 panel_handle->attr.name = "panel_id";
2903 panel_handle->attr.mode = S_IRUGO;
2904 panel_handle->show = sony_nc_panelid_show;
2905 panel_handle->store = NULL;
2906
2907 result = device_create_file(&pd->dev, panel_handle);
2908 if (result) {
2909 kfree(panel_handle);
2910 panel_handle = NULL;
2911 return result;
2912 }
2913
2914 return 0;
2915 }
2916
2917 static void sony_nc_panelid_cleanup(struct platform_device *pd)
2918 {
2919 if (panel_handle) {
2920 device_remove_file(&pd->dev, panel_handle);
2921 kfree(panel_handle);
2922 panel_handle = NULL;
2923 }
2924 }
2925
2926 /* smart connect function */
2927 static struct device_attribute *sc_handle;
2928
2929 static ssize_t sony_nc_smart_conn_store(struct device *dev,
2930 struct device_attribute *attr,
2931 const char *buffer, size_t count)
2932 {
2933 unsigned int result;
2934 unsigned long value;
2935
2936 if (count > 31)
2937 return -EINVAL;
2938
2939 if (kstrtoul(buffer, 10, &value) || value > 1)
2940 return -EINVAL;
2941
2942 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2943 return -EIO;
2944
2945 return count;
2946 }
2947
2948 static int sony_nc_smart_conn_setup(struct platform_device *pd)
2949 {
2950 unsigned int result;
2951
2952 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2953 if (!sc_handle)
2954 return -ENOMEM;
2955
2956 sysfs_attr_init(&sc_handle->attr);
2957 sc_handle->attr.name = "smart_connect";
2958 sc_handle->attr.mode = S_IWUSR;
2959 sc_handle->show = NULL;
2960 sc_handle->store = sony_nc_smart_conn_store;
2961
2962 result = device_create_file(&pd->dev, sc_handle);
2963 if (result) {
2964 kfree(sc_handle);
2965 sc_handle = NULL;
2966 return result;
2967 }
2968
2969 return 0;
2970 }
2971
2972 static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2973 {
2974 if (sc_handle) {
2975 device_remove_file(&pd->dev, sc_handle);
2976 kfree(sc_handle);
2977 sc_handle = NULL;
2978 }
2979 }
2980
2981 /* Touchpad enable/disable */
2982 struct touchpad_control {
2983 struct device_attribute attr;
2984 int handle;
2985 };
2986 static struct touchpad_control *tp_ctl;
2987
2988 static ssize_t sony_nc_touchpad_store(struct device *dev,
2989 struct device_attribute *attr, const char *buffer, size_t count)
2990 {
2991 unsigned int result;
2992 unsigned long value;
2993
2994 if (count > 31)
2995 return -EINVAL;
2996
2997 if (kstrtoul(buffer, 10, &value) || value > 1)
2998 return -EINVAL;
2999
3000 /* sysfs: 0 disabled, 1 enabled
3001 * EC: 0 enabled, 1 disabled
3002 */
3003 if (sony_call_snc_handle(tp_ctl->handle,
3004 (!value << 0x10) | 0x100, &result))
3005 return -EIO;
3006
3007 return count;
3008 }
3009
3010 static ssize_t sony_nc_touchpad_show(struct device *dev,
3011 struct device_attribute *attr, char *buffer)
3012 {
3013 unsigned int result;
3014
3015 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
3016 return -EINVAL;
3017
3018 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
3019 }
3020
3021 static int sony_nc_touchpad_setup(struct platform_device *pd,
3022 unsigned int handle)
3023 {
3024 int ret = 0;
3025
3026 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
3027 if (!tp_ctl)
3028 return -ENOMEM;
3029
3030 tp_ctl->handle = handle;
3031
3032 sysfs_attr_init(&tp_ctl->attr.attr);
3033 tp_ctl->attr.attr.name = "touchpad";
3034 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3035 tp_ctl->attr.show = sony_nc_touchpad_show;
3036 tp_ctl->attr.store = sony_nc_touchpad_store;
3037
3038 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3039 if (ret) {
3040 kfree(tp_ctl);
3041 tp_ctl = NULL;
3042 }
3043
3044 return ret;
3045 }
3046
3047 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3048 {
3049 if (tp_ctl) {
3050 device_remove_file(&pd->dev, &tp_ctl->attr);
3051 kfree(tp_ctl);
3052 tp_ctl = NULL;
3053 }
3054 }
3055
3056 static void sony_nc_backlight_ng_read_limits(int handle,
3057 struct sony_backlight_props *props)
3058 {
3059 u64 offset;
3060 int i;
3061 int lvl_table_len = 0;
3062 u8 min = 0xff, max = 0x00;
3063 unsigned char buffer[32] = { 0 };
3064
3065 props->handle = handle;
3066 props->offset = 0;
3067 props->maxlvl = 0xff;
3068
3069 offset = sony_find_snc_handle(handle);
3070
3071 /* try to read the boundaries from ACPI tables, if we fail the above
3072 * defaults should be reasonable
3073 */
3074 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3075 32);
3076 if (i < 0)
3077 return;
3078
3079 switch (handle) {
3080 case 0x012f:
3081 case 0x0137:
3082 lvl_table_len = 9;
3083 break;
3084 case 0x143:
3085 case 0x14b:
3086 case 0x14c:
3087 lvl_table_len = 16;
3088 break;
3089 }
3090
3091 /* the buffer lists brightness levels available, brightness levels are
3092 * from position 0 to 8 in the array, other values are used by ALS
3093 * control.
3094 */
3095 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3096
3097 dprintk("Brightness level: %d\n", buffer[i]);
3098
3099 if (!buffer[i])
3100 break;
3101
3102 if (buffer[i] > max)
3103 max = buffer[i];
3104 if (buffer[i] < min)
3105 min = buffer[i];
3106 }
3107 props->offset = min;
3108 props->maxlvl = max;
3109 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3110 props->maxlvl);
3111 }
3112
3113 static void sony_nc_backlight_setup(void)
3114 {
3115 int max_brightness = 0;
3116 const struct backlight_ops *ops = NULL;
3117 struct backlight_properties props;
3118
3119 if (sony_find_snc_handle(0x12f) >= 0) {
3120 ops = &sony_backlight_ng_ops;
3121 sony_bl_props.cmd_base = 0x0100;
3122 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3123 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3124
3125 } else if (sony_find_snc_handle(0x137) >= 0) {
3126 ops = &sony_backlight_ng_ops;
3127 sony_bl_props.cmd_base = 0x0100;
3128 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3129 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3130
3131 } else if (sony_find_snc_handle(0x143) >= 0) {
3132 ops = &sony_backlight_ng_ops;
3133 sony_bl_props.cmd_base = 0x3000;
3134 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3135 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3136
3137 } else if (sony_find_snc_handle(0x14b) >= 0) {
3138 ops = &sony_backlight_ng_ops;
3139 sony_bl_props.cmd_base = 0x3000;
3140 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3141 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3142
3143 } else if (sony_find_snc_handle(0x14c) >= 0) {
3144 ops = &sony_backlight_ng_ops;
3145 sony_bl_props.cmd_base = 0x3000;
3146 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3147 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3148
3149 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3150 ops = &sony_backlight_ops;
3151 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3152
3153 } else
3154 return;
3155
3156 memset(&props, 0, sizeof(struct backlight_properties));
3157 props.type = BACKLIGHT_PLATFORM;
3158 props.max_brightness = max_brightness;
3159 sony_bl_props.dev = backlight_device_register("sony", NULL,
3160 &sony_bl_props,
3161 ops, &props);
3162
3163 if (IS_ERR(sony_bl_props.dev)) {
3164 pr_warn("unable to register backlight device\n");
3165 sony_bl_props.dev = NULL;
3166 } else
3167 sony_bl_props.dev->props.brightness =
3168 ops->get_brightness(sony_bl_props.dev);
3169 }
3170
3171 static void sony_nc_backlight_cleanup(void)
3172 {
3173 backlight_device_unregister(sony_bl_props.dev);
3174 }
3175
3176 static int sony_nc_add(struct acpi_device *device)
3177 {
3178 acpi_status status;
3179 int result = 0;
3180 struct sony_nc_value *item;
3181
3182 sony_nc_acpi_device = device;
3183 strcpy(acpi_device_class(device), "sony/hotkey");
3184
3185 sony_nc_acpi_handle = device->handle;
3186
3187 /* read device status */
3188 result = acpi_bus_get_status(device);
3189 /* bail IFF the above call was successful and the device is not present */
3190 if (!result && !device->status.present) {
3191 dprintk("Device not present\n");
3192 result = -ENODEV;
3193 goto outwalk;
3194 }
3195
3196 result = sony_pf_add();
3197 if (result)
3198 goto outpresent;
3199
3200 if (debug) {
3201 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3202 sony_nc_acpi_handle, 1, sony_walk_callback,
3203 NULL, NULL, NULL);
3204 if (ACPI_FAILURE(status)) {
3205 pr_warn("unable to walk acpi resources\n");
3206 result = -ENODEV;
3207 goto outpresent;
3208 }
3209 }
3210
3211 result = sony_laptop_setup_input(device);
3212 if (result) {
3213 pr_err("Unable to create input devices\n");
3214 goto outplatform;
3215 }
3216
3217 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3218 int arg = 1;
3219 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3220 dprintk("ECON Method failed\n");
3221 }
3222
3223 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3224 dprintk("Doing SNC setup\n");
3225 /* retrieve the available handles */
3226 result = sony_nc_handles_setup(sony_pf_device);
3227 if (!result)
3228 sony_nc_function_setup(device, sony_pf_device);
3229 }
3230
3231 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3232 sony_nc_backlight_setup();
3233
3234 /* create sony_pf sysfs attributes related to the SNC device */
3235 for (item = sony_nc_values; item->name; ++item) {
3236
3237 if (!debug && item->debug)
3238 continue;
3239
3240 /* find the available acpiget as described in the DSDT */
3241 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3242 if (acpi_has_method(sony_nc_acpi_handle,
3243 *item->acpiget)) {
3244 dprintk("Found %s getter: %s\n",
3245 item->name, *item->acpiget);
3246 item->devattr.attr.mode |= S_IRUGO;
3247 break;
3248 }
3249 }
3250
3251 /* find the available acpiset as described in the DSDT */
3252 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3253 if (acpi_has_method(sony_nc_acpi_handle,
3254 *item->acpiset)) {
3255 dprintk("Found %s setter: %s\n",
3256 item->name, *item->acpiset);
3257 item->devattr.attr.mode |= S_IWUSR;
3258 break;
3259 }
3260 }
3261
3262 if (item->devattr.attr.mode != 0) {
3263 result =
3264 device_create_file(&sony_pf_device->dev,
3265 &item->devattr);
3266 if (result)
3267 goto out_sysfs;
3268 }
3269 }
3270
3271 pr_info("SNC setup done.\n");
3272 return 0;
3273
3274 out_sysfs:
3275 for (item = sony_nc_values; item->name; ++item) {
3276 device_remove_file(&sony_pf_device->dev, &item->devattr);
3277 }
3278 sony_nc_backlight_cleanup();
3279 sony_nc_function_cleanup(sony_pf_device);
3280 sony_nc_handles_cleanup(sony_pf_device);
3281
3282 outplatform:
3283 sony_laptop_remove_input();
3284
3285 outpresent:
3286 sony_pf_remove();
3287
3288 outwalk:
3289 sony_nc_rfkill_cleanup();
3290 return result;
3291 }
3292
3293 static int sony_nc_remove(struct acpi_device *device)
3294 {
3295 struct sony_nc_value *item;
3296
3297 sony_nc_backlight_cleanup();
3298
3299 sony_nc_acpi_device = NULL;
3300
3301 for (item = sony_nc_values; item->name; ++item) {
3302 device_remove_file(&sony_pf_device->dev, &item->devattr);
3303 }
3304
3305 sony_nc_function_cleanup(sony_pf_device);
3306 sony_nc_handles_cleanup(sony_pf_device);
3307 sony_pf_remove();
3308 sony_laptop_remove_input();
3309 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3310
3311 return 0;
3312 }
3313
3314 static const struct acpi_device_id sony_device_ids[] = {
3315 {SONY_NC_HID, 0},
3316 {SONY_PIC_HID, 0},
3317 {"", 0},
3318 };
3319 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3320
3321 static const struct acpi_device_id sony_nc_device_ids[] = {
3322 {SONY_NC_HID, 0},
3323 {"", 0},
3324 };
3325
3326 static struct acpi_driver sony_nc_driver = {
3327 .name = SONY_NC_DRIVER_NAME,
3328 .class = SONY_NC_CLASS,
3329 .ids = sony_nc_device_ids,
3330 .owner = THIS_MODULE,
3331 .ops = {
3332 .add = sony_nc_add,
3333 .remove = sony_nc_remove,
3334 .notify = sony_nc_notify,
3335 },
3336 .drv.pm = &sony_nc_pm,
3337 };
3338
3339 /*********** SPIC (SNY6001) Device ***********/
3340
3341 #define SONYPI_DEVICE_TYPE1 0x00000001
3342 #define SONYPI_DEVICE_TYPE2 0x00000002
3343 #define SONYPI_DEVICE_TYPE3 0x00000004
3344
3345 #define SONYPI_TYPE1_OFFSET 0x04
3346 #define SONYPI_TYPE2_OFFSET 0x12
3347 #define SONYPI_TYPE3_OFFSET 0x12
3348
3349 struct sony_pic_ioport {
3350 struct acpi_resource_io io1;
3351 struct acpi_resource_io io2;
3352 struct list_head list;
3353 };
3354
3355 struct sony_pic_irq {
3356 struct acpi_resource_irq irq;
3357 struct list_head list;
3358 };
3359
3360 struct sonypi_eventtypes {
3361 u8 data;
3362 unsigned long mask;
3363 struct sonypi_event *events;
3364 };
3365
3366 struct sony_pic_dev {
3367 struct acpi_device *acpi_dev;
3368 struct sony_pic_irq *cur_irq;
3369 struct sony_pic_ioport *cur_ioport;
3370 struct list_head interrupts;
3371 struct list_head ioports;
3372 struct mutex lock;
3373 struct sonypi_eventtypes *event_types;
3374 int (*handle_irq)(const u8, const u8);
3375 int model;
3376 u16 evport_offset;
3377 u8 camera_power;
3378 u8 bluetooth_power;
3379 u8 wwan_power;
3380 };
3381
3382 static struct sony_pic_dev spic_dev = {
3383 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3384 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3385 };
3386
3387 static int spic_drv_registered;
3388
3389 /* Event masks */
3390 #define SONYPI_JOGGER_MASK 0x00000001
3391 #define SONYPI_CAPTURE_MASK 0x00000002
3392 #define SONYPI_FNKEY_MASK 0x00000004
3393 #define SONYPI_BLUETOOTH_MASK 0x00000008
3394 #define SONYPI_PKEY_MASK 0x00000010
3395 #define SONYPI_BACK_MASK 0x00000020
3396 #define SONYPI_HELP_MASK 0x00000040
3397 #define SONYPI_LID_MASK 0x00000080
3398 #define SONYPI_ZOOM_MASK 0x00000100
3399 #define SONYPI_THUMBPHRASE_MASK 0x00000200
3400 #define SONYPI_MEYE_MASK 0x00000400
3401 #define SONYPI_MEMORYSTICK_MASK 0x00000800
3402 #define SONYPI_BATTERY_MASK 0x00001000
3403 #define SONYPI_WIRELESS_MASK 0x00002000
3404
3405 struct sonypi_event {
3406 u8 data;
3407 u8 event;
3408 };
3409
3410 /* The set of possible button release events */
3411 static struct sonypi_event sonypi_releaseev[] = {
3412 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3413 { 0, 0 }
3414 };
3415
3416 /* The set of possible jogger events */
3417 static struct sonypi_event sonypi_joggerev[] = {
3418 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3419 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3420 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3421 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3422 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3423 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3424 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3425 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3426 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3427 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3428 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3429 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3430 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3431 { 0, 0 }
3432 };
3433
3434 /* The set of possible capture button events */
3435 static struct sonypi_event sonypi_captureev[] = {
3436 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3437 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3438 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3439 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3440 { 0, 0 }
3441 };
3442
3443 /* The set of possible fnkeys events */
3444 static struct sonypi_event sonypi_fnkeyev[] = {
3445 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3446 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3447 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3448 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3449 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3450 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3451 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3452 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3453 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3454 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3455 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3456 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3457 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3458 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3459 { 0x21, SONYPI_EVENT_FNKEY_1 },
3460 { 0x22, SONYPI_EVENT_FNKEY_2 },
3461 { 0x31, SONYPI_EVENT_FNKEY_D },
3462 { 0x32, SONYPI_EVENT_FNKEY_E },
3463 { 0x33, SONYPI_EVENT_FNKEY_F },
3464 { 0x34, SONYPI_EVENT_FNKEY_S },
3465 { 0x35, SONYPI_EVENT_FNKEY_B },
3466 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3467 { 0, 0 }
3468 };
3469
3470 /* The set of possible program key events */
3471 static struct sonypi_event sonypi_pkeyev[] = {
3472 { 0x01, SONYPI_EVENT_PKEY_P1 },
3473 { 0x02, SONYPI_EVENT_PKEY_P2 },
3474 { 0x04, SONYPI_EVENT_PKEY_P3 },
3475 { 0x20, SONYPI_EVENT_PKEY_P1 },
3476 { 0, 0 }
3477 };
3478
3479 /* The set of possible bluetooth events */
3480 static struct sonypi_event sonypi_blueev[] = {
3481 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3482 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3483 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3484 { 0, 0 }
3485 };
3486
3487 /* The set of possible wireless events */
3488 static struct sonypi_event sonypi_wlessev[] = {
3489 { 0x59, SONYPI_EVENT_IGNORE },
3490 { 0x5a, SONYPI_EVENT_IGNORE },
3491 { 0, 0 }
3492 };
3493
3494 /* The set of possible back button events */
3495 static struct sonypi_event sonypi_backev[] = {
3496 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3497 { 0, 0 }
3498 };
3499
3500 /* The set of possible help button events */
3501 static struct sonypi_event sonypi_helpev[] = {
3502 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3503 { 0, 0 }
3504 };
3505
3506
3507 /* The set of possible lid events */
3508 static struct sonypi_event sonypi_lidev[] = {
3509 { 0x51, SONYPI_EVENT_LID_CLOSED },
3510 { 0x50, SONYPI_EVENT_LID_OPENED },
3511 { 0, 0 }
3512 };
3513
3514 /* The set of possible zoom events */
3515 static struct sonypi_event sonypi_zoomev[] = {
3516 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3517 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3518 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3519 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3520 { 0, 0 }
3521 };
3522
3523 /* The set of possible thumbphrase events */
3524 static struct sonypi_event sonypi_thumbphraseev[] = {
3525 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3526 { 0, 0 }
3527 };
3528
3529 /* The set of possible motioneye camera events */
3530 static struct sonypi_event sonypi_meyeev[] = {
3531 { 0x00, SONYPI_EVENT_MEYE_FACE },
3532 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3533 { 0, 0 }
3534 };
3535
3536 /* The set of possible memorystick events */
3537 static struct sonypi_event sonypi_memorystickev[] = {
3538 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3539 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3540 { 0, 0 }
3541 };
3542
3543 /* The set of possible battery events */
3544 static struct sonypi_event sonypi_batteryev[] = {
3545 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3546 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3547 { 0, 0 }
3548 };
3549
3550 /* The set of possible volume events */
3551 static struct sonypi_event sonypi_volumeev[] = {
3552 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3553 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3554 { 0, 0 }
3555 };
3556
3557 /* The set of possible brightness events */
3558 static struct sonypi_event sonypi_brightnessev[] = {
3559 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3560 { 0, 0 }
3561 };
3562
3563 static struct sonypi_eventtypes type1_events[] = {
3564 { 0, 0xffffffff, sonypi_releaseev },
3565 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3566 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3567 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3568 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3569 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3570 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3571 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3572 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3573 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3574 { 0 },
3575 };
3576 static struct sonypi_eventtypes type2_events[] = {
3577 { 0, 0xffffffff, sonypi_releaseev },
3578 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3579 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3580 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3581 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3582 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3583 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3584 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3585 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3586 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3587 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3588 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3589 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3590 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3591 { 0 },
3592 };
3593 static struct sonypi_eventtypes type3_events[] = {
3594 { 0, 0xffffffff, sonypi_releaseev },
3595 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3596 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3597 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3598 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3599 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3600 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3601 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3602 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3603 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3604 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3605 { 0 },
3606 };
3607
3608 /* low level spic calls */
3609 #define ITERATIONS_LONG 10000
3610 #define ITERATIONS_SHORT 10
3611 #define wait_on_command(command, iterations) { \
3612 unsigned int n = iterations; \
3613 while (--n && (command)) \
3614 udelay(1); \
3615 if (!n) \
3616 dprintk("command failed at %s : %s (line %d)\n", \
3617 __FILE__, __func__, __LINE__); \
3618 }
3619
3620 static u8 sony_pic_call1(u8 dev)
3621 {
3622 u8 v1, v2;
3623
3624 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3625 ITERATIONS_LONG);
3626 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3627 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3628 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3629 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3630 return v2;
3631 }
3632
3633 static u8 sony_pic_call2(u8 dev, u8 fn)
3634 {
3635 u8 v1;
3636
3637 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3638 ITERATIONS_LONG);
3639 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3640 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3641 ITERATIONS_LONG);
3642 outb(fn, spic_dev.cur_ioport->io1.minimum);
3643 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3644 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3645 return v1;
3646 }
3647
3648 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3649 {
3650 u8 v1;
3651
3652 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3653 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3654 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3655 outb(fn, spic_dev.cur_ioport->io1.minimum);
3656 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3657 outb(v, spic_dev.cur_ioport->io1.minimum);
3658 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3659 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3660 dev, fn, v, v1);
3661 return v1;
3662 }
3663
3664 /*
3665 * minidrivers for SPIC models
3666 */
3667 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3668 {
3669 /*
3670 * 0x31 could mean we have to take some extra action and wait for
3671 * the next irq for some Type3 models, it will generate a new
3672 * irq and we can read new data from the device:
3673 * - 0x5c and 0x5f requires 0xA0
3674 * - 0x61 requires 0xB3
3675 */
3676 if (data_mask == 0x31) {
3677 if (ev == 0x5c || ev == 0x5f)
3678 sony_pic_call1(0xA0);
3679 else if (ev == 0x61)
3680 sony_pic_call1(0xB3);
3681 return 0;
3682 }
3683 return 1;
3684 }
3685
3686 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3687 {
3688 struct pci_dev *pcidev;
3689
3690 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3691 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3692 if (pcidev) {
3693 dev->model = SONYPI_DEVICE_TYPE1;
3694 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3695 dev->event_types = type1_events;
3696 goto out;
3697 }
3698
3699 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3700 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3701 if (pcidev) {
3702 dev->model = SONYPI_DEVICE_TYPE2;
3703 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3704 dev->event_types = type2_events;
3705 goto out;
3706 }
3707
3708 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3709 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3710 if (pcidev) {
3711 dev->model = SONYPI_DEVICE_TYPE3;
3712 dev->handle_irq = type3_handle_irq;
3713 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3714 dev->event_types = type3_events;
3715 goto out;
3716 }
3717
3718 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3719 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3720 if (pcidev) {
3721 dev->model = SONYPI_DEVICE_TYPE3;
3722 dev->handle_irq = type3_handle_irq;
3723 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3724 dev->event_types = type3_events;
3725 goto out;
3726 }
3727
3728 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3729 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3730 if (pcidev) {
3731 dev->model = SONYPI_DEVICE_TYPE3;
3732 dev->handle_irq = type3_handle_irq;
3733 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3734 dev->event_types = type3_events;
3735 goto out;
3736 }
3737
3738 /* default */
3739 dev->model = SONYPI_DEVICE_TYPE2;
3740 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3741 dev->event_types = type2_events;
3742
3743 out:
3744 pci_dev_put(pcidev);
3745
3746 pr_info("detected Type%d model\n",
3747 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3748 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3749 }
3750
3751 /* camera tests and poweron/poweroff */
3752 #define SONYPI_CAMERA_PICTURE 5
3753 #define SONYPI_CAMERA_CONTROL 0x10
3754
3755 #define SONYPI_CAMERA_BRIGHTNESS 0
3756 #define SONYPI_CAMERA_CONTRAST 1
3757 #define SONYPI_CAMERA_HUE 2
3758 #define SONYPI_CAMERA_COLOR 3
3759 #define SONYPI_CAMERA_SHARPNESS 4
3760
3761 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3762 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3763 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3764 #define SONYPI_CAMERA_MUTE_MASK 0x40
3765
3766 /* the rest don't need a loop until not 0xff */
3767 #define SONYPI_CAMERA_AGC 6
3768 #define SONYPI_CAMERA_AGC_MASK 0x30
3769 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3770
3771 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3772 #define SONYPI_CAMERA_CONTROL 0x10
3773
3774 #define SONYPI_CAMERA_STATUS 7
3775 #define SONYPI_CAMERA_STATUS_READY 0x2
3776 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3777
3778 #define SONYPI_DIRECTION_BACKWARDS 0x4
3779
3780 #define SONYPI_CAMERA_REVISION 8
3781 #define SONYPI_CAMERA_ROMVERSION 9
3782
3783 static int __sony_pic_camera_ready(void)
3784 {
3785 u8 v;
3786
3787 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3788 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3789 }
3790
3791 static int __sony_pic_camera_off(void)
3792 {
3793 if (!camera) {
3794 pr_warn("camera control not enabled\n");
3795 return -ENODEV;
3796 }
3797
3798 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3799 SONYPI_CAMERA_MUTE_MASK),
3800 ITERATIONS_SHORT);
3801
3802 if (spic_dev.camera_power) {
3803 sony_pic_call2(0x91, 0);
3804 spic_dev.camera_power = 0;
3805 }
3806 return 0;
3807 }
3808
3809 static int __sony_pic_camera_on(void)
3810 {
3811 int i, j, x;
3812
3813 if (!camera) {
3814 pr_warn("camera control not enabled\n");
3815 return -ENODEV;
3816 }
3817
3818 if (spic_dev.camera_power)
3819 return 0;
3820
3821 for (j = 5; j > 0; j--) {
3822
3823 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3824 msleep(10);
3825 sony_pic_call1(0x93);
3826
3827 for (i = 400; i > 0; i--) {
3828 if (__sony_pic_camera_ready())
3829 break;
3830 msleep(10);
3831 }
3832 if (i)
3833 break;
3834 }
3835
3836 if (j == 0) {
3837 pr_warn("failed to power on camera\n");
3838 return -ENODEV;
3839 }
3840
3841 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3842 0x5a),
3843 ITERATIONS_SHORT);
3844
3845 spic_dev.camera_power = 1;
3846 return 0;
3847 }
3848
3849 /* External camera command (exported to the motion eye v4l driver) */
3850 int sony_pic_camera_command(int command, u8 value)
3851 {
3852 if (!camera)
3853 return -EIO;
3854
3855 mutex_lock(&spic_dev.lock);
3856
3857 switch (command) {
3858 case SONY_PIC_COMMAND_SETCAMERA:
3859 if (value)
3860 __sony_pic_camera_on();
3861 else
3862 __sony_pic_camera_off();
3863 break;
3864 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3865 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3866 ITERATIONS_SHORT);
3867 break;
3868 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3869 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3870 ITERATIONS_SHORT);
3871 break;
3872 case SONY_PIC_COMMAND_SETCAMERAHUE:
3873 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3874 ITERATIONS_SHORT);
3875 break;
3876 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3877 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3878 ITERATIONS_SHORT);
3879 break;
3880 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3881 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3882 ITERATIONS_SHORT);
3883 break;
3884 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3885 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3886 ITERATIONS_SHORT);
3887 break;
3888 case SONY_PIC_COMMAND_SETCAMERAAGC:
3889 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3890 ITERATIONS_SHORT);
3891 break;
3892 default:
3893 pr_err("sony_pic_camera_command invalid: %d\n", command);
3894 break;
3895 }
3896 mutex_unlock(&spic_dev.lock);
3897 return 0;
3898 }
3899 EXPORT_SYMBOL(sony_pic_camera_command);
3900
3901 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3902 static void __sony_pic_set_wwanpower(u8 state)
3903 {
3904 state = !!state;
3905 if (spic_dev.wwan_power == state)
3906 return;
3907 sony_pic_call2(0xB0, state);
3908 sony_pic_call1(0x82);
3909 spic_dev.wwan_power = state;
3910 }
3911
3912 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3913 struct device_attribute *attr,
3914 const char *buffer, size_t count)
3915 {
3916 unsigned long value;
3917 if (count > 31)
3918 return -EINVAL;
3919
3920 if (kstrtoul(buffer, 10, &value))
3921 return -EINVAL;
3922
3923 mutex_lock(&spic_dev.lock);
3924 __sony_pic_set_wwanpower(value);
3925 mutex_unlock(&spic_dev.lock);
3926
3927 return count;
3928 }
3929
3930 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3931 struct device_attribute *attr, char *buffer)
3932 {
3933 ssize_t count;
3934 mutex_lock(&spic_dev.lock);
3935 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3936 mutex_unlock(&spic_dev.lock);
3937 return count;
3938 }
3939
3940 /* bluetooth subsystem power state */
3941 static void __sony_pic_set_bluetoothpower(u8 state)
3942 {
3943 state = !!state;
3944 if (spic_dev.bluetooth_power == state)
3945 return;
3946 sony_pic_call2(0x96, state);
3947 sony_pic_call1(0x82);
3948 spic_dev.bluetooth_power = state;
3949 }
3950
3951 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3952 struct device_attribute *attr,
3953 const char *buffer, size_t count)
3954 {
3955 unsigned long value;
3956 if (count > 31)
3957 return -EINVAL;
3958
3959 if (kstrtoul(buffer, 10, &value))
3960 return -EINVAL;
3961
3962 mutex_lock(&spic_dev.lock);
3963 __sony_pic_set_bluetoothpower(value);
3964 mutex_unlock(&spic_dev.lock);
3965
3966 return count;
3967 }
3968
3969 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3970 struct device_attribute *attr, char *buffer)
3971 {
3972 ssize_t count = 0;
3973 mutex_lock(&spic_dev.lock);
3974 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3975 mutex_unlock(&spic_dev.lock);
3976 return count;
3977 }
3978
3979 /* fan speed */
3980 /* FAN0 information (reverse engineered from ACPI tables) */
3981 #define SONY_PIC_FAN0_STATUS 0x93
3982 static int sony_pic_set_fanspeed(unsigned long value)
3983 {
3984 return ec_write(SONY_PIC_FAN0_STATUS, value);
3985 }
3986
3987 static int sony_pic_get_fanspeed(u8 *value)
3988 {
3989 return ec_read(SONY_PIC_FAN0_STATUS, value);
3990 }
3991
3992 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3993 struct device_attribute *attr,
3994 const char *buffer, size_t count)
3995 {
3996 unsigned long value;
3997 if (count > 31)
3998 return -EINVAL;
3999
4000 if (kstrtoul(buffer, 10, &value))
4001 return -EINVAL;
4002
4003 if (sony_pic_set_fanspeed(value))
4004 return -EIO;
4005
4006 return count;
4007 }
4008
4009 static ssize_t sony_pic_fanspeed_show(struct device *dev,
4010 struct device_attribute *attr, char *buffer)
4011 {
4012 u8 value = 0;
4013 if (sony_pic_get_fanspeed(&value))
4014 return -EIO;
4015
4016 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
4017 }
4018
4019 #define SPIC_ATTR(_name, _mode) \
4020 struct device_attribute spic_attr_##_name = __ATTR(_name, \
4021 _mode, sony_pic_## _name ##_show, \
4022 sony_pic_## _name ##_store)
4023
4024 static SPIC_ATTR(bluetoothpower, 0644);
4025 static SPIC_ATTR(wwanpower, 0644);
4026 static SPIC_ATTR(fanspeed, 0644);
4027
4028 static struct attribute *spic_attributes[] = {
4029 &spic_attr_bluetoothpower.attr,
4030 &spic_attr_wwanpower.attr,
4031 &spic_attr_fanspeed.attr,
4032 NULL
4033 };
4034
4035 static struct attribute_group spic_attribute_group = {
4036 .attrs = spic_attributes
4037 };
4038
4039 /******** SONYPI compatibility **********/
4040 #ifdef CONFIG_SONYPI_COMPAT
4041
4042 /* battery / brightness / temperature addresses */
4043 #define SONYPI_BAT_FLAGS 0x81
4044 #define SONYPI_LCD_LIGHT 0x96
4045 #define SONYPI_BAT1_PCTRM 0xa0
4046 #define SONYPI_BAT1_LEFT 0xa2
4047 #define SONYPI_BAT1_MAXRT 0xa4
4048 #define SONYPI_BAT2_PCTRM 0xa8
4049 #define SONYPI_BAT2_LEFT 0xaa
4050 #define SONYPI_BAT2_MAXRT 0xac
4051 #define SONYPI_BAT1_MAXTK 0xb0
4052 #define SONYPI_BAT1_FULL 0xb2
4053 #define SONYPI_BAT2_MAXTK 0xb8
4054 #define SONYPI_BAT2_FULL 0xba
4055 #define SONYPI_TEMP_STATUS 0xC1
4056
4057 struct sonypi_compat_s {
4058 struct fasync_struct *fifo_async;
4059 struct kfifo fifo;
4060 spinlock_t fifo_lock;
4061 wait_queue_head_t fifo_proc_list;
4062 atomic_t open_count;
4063 };
4064 static struct sonypi_compat_s sonypi_compat = {
4065 .open_count = ATOMIC_INIT(0),
4066 };
4067
4068 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4069 {
4070 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4071 }
4072
4073 static int sonypi_misc_release(struct inode *inode, struct file *file)
4074 {
4075 atomic_dec(&sonypi_compat.open_count);
4076 return 0;
4077 }
4078
4079 static int sonypi_misc_open(struct inode *inode, struct file *file)
4080 {
4081 /* Flush input queue on first open */
4082 unsigned long flags;
4083
4084 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4085
4086 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4087 kfifo_reset(&sonypi_compat.fifo);
4088
4089 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4090
4091 return 0;
4092 }
4093
4094 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4095 size_t count, loff_t *pos)
4096 {
4097 ssize_t ret;
4098 unsigned char c;
4099
4100 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4101 (file->f_flags & O_NONBLOCK))
4102 return -EAGAIN;
4103
4104 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4105 kfifo_len(&sonypi_compat.fifo) != 0);
4106 if (ret)
4107 return ret;
4108
4109 while (ret < count &&
4110 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4111 &sonypi_compat.fifo_lock) == sizeof(c))) {
4112 if (put_user(c, buf++))
4113 return -EFAULT;
4114 ret++;
4115 }
4116
4117 if (ret > 0) {
4118 struct inode *inode = file_inode(file);
4119 inode->i_atime = current_fs_time(inode->i_sb);
4120 }
4121
4122 return ret;
4123 }
4124
4125 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
4126 {
4127 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4128 if (kfifo_len(&sonypi_compat.fifo))
4129 return POLLIN | POLLRDNORM;
4130 return 0;
4131 }
4132
4133 static int ec_read16(u8 addr, u16 *value)
4134 {
4135 u8 val_lb, val_hb;
4136 if (ec_read(addr, &val_lb))
4137 return -1;
4138 if (ec_read(addr + 1, &val_hb))
4139 return -1;
4140 *value = val_lb | (val_hb << 8);
4141 return 0;
4142 }
4143
4144 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4145 unsigned long arg)
4146 {
4147 int ret = 0;
4148 void __user *argp = (void __user *)arg;
4149 u8 val8;
4150 u16 val16;
4151 int value;
4152
4153 mutex_lock(&spic_dev.lock);
4154 switch (cmd) {
4155 case SONYPI_IOCGBRT:
4156 if (sony_bl_props.dev == NULL) {
4157 ret = -EIO;
4158 break;
4159 }
4160 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4161 &value)) {
4162 ret = -EIO;
4163 break;
4164 }
4165 val8 = ((value & 0xff) - 1) << 5;
4166 if (copy_to_user(argp, &val8, sizeof(val8)))
4167 ret = -EFAULT;
4168 break;
4169 case SONYPI_IOCSBRT:
4170 if (sony_bl_props.dev == NULL) {
4171 ret = -EIO;
4172 break;
4173 }
4174 if (copy_from_user(&val8, argp, sizeof(val8))) {
4175 ret = -EFAULT;
4176 break;
4177 }
4178 value = (val8 >> 5) + 1;
4179 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4180 NULL)) {
4181 ret = -EIO;
4182 break;
4183 }
4184 /* sync the backlight device status */
4185 sony_bl_props.dev->props.brightness =
4186 sony_backlight_get_brightness(sony_bl_props.dev);
4187 break;
4188 case SONYPI_IOCGBAT1CAP:
4189 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4190 ret = -EIO;
4191 break;
4192 }
4193 if (copy_to_user(argp, &val16, sizeof(val16)))
4194 ret = -EFAULT;
4195 break;
4196 case SONYPI_IOCGBAT1REM:
4197 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4198 ret = -EIO;
4199 break;
4200 }
4201 if (copy_to_user(argp, &val16, sizeof(val16)))
4202 ret = -EFAULT;
4203 break;
4204 case SONYPI_IOCGBAT2CAP:
4205 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4206 ret = -EIO;
4207 break;
4208 }
4209 if (copy_to_user(argp, &val16, sizeof(val16)))
4210 ret = -EFAULT;
4211 break;
4212 case SONYPI_IOCGBAT2REM:
4213 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4214 ret = -EIO;
4215 break;
4216 }
4217 if (copy_to_user(argp, &val16, sizeof(val16)))
4218 ret = -EFAULT;
4219 break;
4220 case SONYPI_IOCGBATFLAGS:
4221 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4222 ret = -EIO;
4223 break;
4224 }
4225 val8 &= 0x07;
4226 if (copy_to_user(argp, &val8, sizeof(val8)))
4227 ret = -EFAULT;
4228 break;
4229 case SONYPI_IOCGBLUE:
4230 val8 = spic_dev.bluetooth_power;
4231 if (copy_to_user(argp, &val8, sizeof(val8)))
4232 ret = -EFAULT;
4233 break;
4234 case SONYPI_IOCSBLUE:
4235 if (copy_from_user(&val8, argp, sizeof(val8))) {
4236 ret = -EFAULT;
4237 break;
4238 }
4239 __sony_pic_set_bluetoothpower(val8);
4240 break;
4241 /* FAN Controls */
4242 case SONYPI_IOCGFAN:
4243 if (sony_pic_get_fanspeed(&val8)) {
4244 ret = -EIO;
4245 break;
4246 }
4247 if (copy_to_user(argp, &val8, sizeof(val8)))
4248 ret = -EFAULT;
4249 break;
4250 case SONYPI_IOCSFAN:
4251 if (copy_from_user(&val8, argp, sizeof(val8))) {
4252 ret = -EFAULT;
4253 break;
4254 }
4255 if (sony_pic_set_fanspeed(val8))
4256 ret = -EIO;
4257 break;
4258 /* GET Temperature (useful under APM) */
4259 case SONYPI_IOCGTEMP:
4260 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4261 ret = -EIO;
4262 break;
4263 }
4264 if (copy_to_user(argp, &val8, sizeof(val8)))
4265 ret = -EFAULT;
4266 break;
4267 default:
4268 ret = -EINVAL;
4269 }
4270 mutex_unlock(&spic_dev.lock);
4271 return ret;
4272 }
4273
4274 static const struct file_operations sonypi_misc_fops = {
4275 .owner = THIS_MODULE,
4276 .read = sonypi_misc_read,
4277 .poll = sonypi_misc_poll,
4278 .open = sonypi_misc_open,
4279 .release = sonypi_misc_release,
4280 .fasync = sonypi_misc_fasync,
4281 .unlocked_ioctl = sonypi_misc_ioctl,
4282 .llseek = noop_llseek,
4283 };
4284
4285 static struct miscdevice sonypi_misc_device = {
4286 .minor = MISC_DYNAMIC_MINOR,
4287 .name = "sonypi",
4288 .fops = &sonypi_misc_fops,
4289 };
4290
4291 static void sonypi_compat_report_event(u8 event)
4292 {
4293 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4294 sizeof(event), &sonypi_compat.fifo_lock);
4295 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4296 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4297 }
4298
4299 static int sonypi_compat_init(void)
4300 {
4301 int error;
4302
4303 spin_lock_init(&sonypi_compat.fifo_lock);
4304 error =
4305 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4306 if (error) {
4307 pr_err("kfifo_alloc failed\n");
4308 return error;
4309 }
4310
4311 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4312
4313 if (minor != -1)
4314 sonypi_misc_device.minor = minor;
4315 error = misc_register(&sonypi_misc_device);
4316 if (error) {
4317 pr_err("misc_register failed\n");
4318 goto err_free_kfifo;
4319 }
4320 if (minor == -1)
4321 pr_info("device allocated minor is %d\n",
4322 sonypi_misc_device.minor);
4323
4324 return 0;
4325
4326 err_free_kfifo:
4327 kfifo_free(&sonypi_compat.fifo);
4328 return error;
4329 }
4330
4331 static void sonypi_compat_exit(void)
4332 {
4333 misc_deregister(&sonypi_misc_device);
4334 kfifo_free(&sonypi_compat.fifo);
4335 }
4336 #else
4337 static int sonypi_compat_init(void) { return 0; }
4338 static void sonypi_compat_exit(void) { }
4339 static void sonypi_compat_report_event(u8 event) { }
4340 #endif /* CONFIG_SONYPI_COMPAT */
4341
4342 /*
4343 * ACPI callbacks
4344 */
4345 static acpi_status
4346 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4347 {
4348 u32 i;
4349 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4350
4351 switch (resource->type) {
4352 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4353 {
4354 /* start IO enumeration */
4355 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4356 if (!ioport)
4357 return AE_ERROR;
4358
4359 list_add(&ioport->list, &dev->ioports);
4360 return AE_OK;
4361 }
4362
4363 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4364 /* end IO enumeration */
4365 return AE_OK;
4366
4367 case ACPI_RESOURCE_TYPE_IRQ:
4368 {
4369 struct acpi_resource_irq *p = &resource->data.irq;
4370 struct sony_pic_irq *interrupt = NULL;
4371 if (!p || !p->interrupt_count) {
4372 /*
4373 * IRQ descriptors may have no IRQ# bits set,
4374 * particularly those those w/ _STA disabled
4375 */
4376 dprintk("Blank IRQ resource\n");
4377 return AE_OK;
4378 }
4379 for (i = 0; i < p->interrupt_count; i++) {
4380 if (!p->interrupts[i]) {
4381 pr_warn("Invalid IRQ %d\n",
4382 p->interrupts[i]);
4383 continue;
4384 }
4385 interrupt = kzalloc(sizeof(*interrupt),
4386 GFP_KERNEL);
4387 if (!interrupt)
4388 return AE_ERROR;
4389
4390 list_add(&interrupt->list, &dev->interrupts);
4391 interrupt->irq.triggering = p->triggering;
4392 interrupt->irq.polarity = p->polarity;
4393 interrupt->irq.sharable = p->sharable;
4394 interrupt->irq.interrupt_count = 1;
4395 interrupt->irq.interrupts[0] = p->interrupts[i];
4396 }
4397 return AE_OK;
4398 }
4399 case ACPI_RESOURCE_TYPE_IO:
4400 {
4401 struct acpi_resource_io *io = &resource->data.io;
4402 struct sony_pic_ioport *ioport =
4403 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4404 if (!io) {
4405 dprintk("Blank IO resource\n");
4406 return AE_OK;
4407 }
4408
4409 if (!ioport->io1.minimum) {
4410 memcpy(&ioport->io1, io, sizeof(*io));
4411 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4412 ioport->io1.address_length);
4413 }
4414 else if (!ioport->io2.minimum) {
4415 memcpy(&ioport->io2, io, sizeof(*io));
4416 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4417 ioport->io2.address_length);
4418 }
4419 else {
4420 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4421 return AE_ERROR;
4422 }
4423 return AE_OK;
4424 }
4425 default:
4426 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4427 resource->type);
4428
4429 case ACPI_RESOURCE_TYPE_END_TAG:
4430 return AE_OK;
4431 }
4432 return AE_CTRL_TERMINATE;
4433 }
4434
4435 static int sony_pic_possible_resources(struct acpi_device *device)
4436 {
4437 int result = 0;
4438 acpi_status status = AE_OK;
4439
4440 if (!device)
4441 return -EINVAL;
4442
4443 /* get device status */
4444 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4445 dprintk("Evaluating _STA\n");
4446 result = acpi_bus_get_status(device);
4447 if (result) {
4448 pr_warn("Unable to read status\n");
4449 goto end;
4450 }
4451
4452 if (!device->status.enabled)
4453 dprintk("Device disabled\n");
4454 else
4455 dprintk("Device enabled\n");
4456
4457 /*
4458 * Query and parse 'method'
4459 */
4460 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4461 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4462 sony_pic_read_possible_resource, &spic_dev);
4463 if (ACPI_FAILURE(status)) {
4464 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4465 result = -ENODEV;
4466 }
4467 end:
4468 return result;
4469 }
4470
4471 /*
4472 * Disable the spic device by calling its _DIS method
4473 */
4474 static int sony_pic_disable(struct acpi_device *device)
4475 {
4476 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4477 NULL);
4478
4479 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4480 return -ENXIO;
4481
4482 dprintk("Device disabled\n");
4483 return 0;
4484 }
4485
4486
4487 /*
4488 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4489 *
4490 * Call _SRS to set current resources
4491 */
4492 static int sony_pic_enable(struct acpi_device *device,
4493 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4494 {
4495 acpi_status status;
4496 int result = 0;
4497 /* Type 1 resource layout is:
4498 * IO
4499 * IO
4500 * IRQNoFlags
4501 * End
4502 *
4503 * Type 2 and 3 resource layout is:
4504 * IO
4505 * IRQNoFlags
4506 * End
4507 */
4508 struct {
4509 struct acpi_resource res1;
4510 struct acpi_resource res2;
4511 struct acpi_resource res3;
4512 struct acpi_resource res4;
4513 } *resource;
4514 struct acpi_buffer buffer = { 0, NULL };
4515
4516 if (!ioport || !irq)
4517 return -EINVAL;
4518
4519 /* init acpi_buffer */
4520 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4521 if (!resource)
4522 return -ENOMEM;
4523
4524 buffer.length = sizeof(*resource) + 1;
4525 buffer.pointer = resource;
4526
4527 /* setup Type 1 resources */
4528 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4529
4530 /* setup io resources */
4531 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4532 resource->res1.length = sizeof(struct acpi_resource);
4533 memcpy(&resource->res1.data.io, &ioport->io1,
4534 sizeof(struct acpi_resource_io));
4535
4536 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4537 resource->res2.length = sizeof(struct acpi_resource);
4538 memcpy(&resource->res2.data.io, &ioport->io2,
4539 sizeof(struct acpi_resource_io));
4540
4541 /* setup irq resource */
4542 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4543 resource->res3.length = sizeof(struct acpi_resource);
4544 memcpy(&resource->res3.data.irq, &irq->irq,
4545 sizeof(struct acpi_resource_irq));
4546 /* we requested a shared irq */
4547 resource->res3.data.irq.sharable = ACPI_SHARED;
4548
4549 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4550 resource->res4.length = sizeof(struct acpi_resource);
4551 }
4552 /* setup Type 2/3 resources */
4553 else {
4554 /* setup io resource */
4555 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4556 resource->res1.length = sizeof(struct acpi_resource);
4557 memcpy(&resource->res1.data.io, &ioport->io1,
4558 sizeof(struct acpi_resource_io));
4559
4560 /* setup irq resource */
4561 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4562 resource->res2.length = sizeof(struct acpi_resource);
4563 memcpy(&resource->res2.data.irq, &irq->irq,
4564 sizeof(struct acpi_resource_irq));
4565 /* we requested a shared irq */
4566 resource->res2.data.irq.sharable = ACPI_SHARED;
4567
4568 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4569 resource->res3.length = sizeof(struct acpi_resource);
4570 }
4571
4572 /* Attempt to set the resource */
4573 dprintk("Evaluating _SRS\n");
4574 status = acpi_set_current_resources(device->handle, &buffer);
4575
4576 /* check for total failure */
4577 if (ACPI_FAILURE(status)) {
4578 pr_err("Error evaluating _SRS\n");
4579 result = -ENODEV;
4580 goto end;
4581 }
4582
4583 /* Necessary device initializations calls (from sonypi) */
4584 sony_pic_call1(0x82);
4585 sony_pic_call2(0x81, 0xff);
4586 sony_pic_call1(compat ? 0x92 : 0x82);
4587
4588 end:
4589 kfree(resource);
4590 return result;
4591 }
4592
4593 /*****************
4594 *
4595 * ISR: some event is available
4596 *
4597 *****************/
4598 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4599 {
4600 int i, j;
4601 u8 ev = 0;
4602 u8 data_mask = 0;
4603 u8 device_event = 0;
4604
4605 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4606
4607 ev = inb_p(dev->cur_ioport->io1.minimum);
4608 if (dev->cur_ioport->io2.minimum)
4609 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4610 else
4611 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4612 dev->evport_offset);
4613
4614 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4615 ev, data_mask, dev->cur_ioport->io1.minimum,
4616 dev->evport_offset);
4617
4618 if (ev == 0x00 || ev == 0xff)
4619 return IRQ_HANDLED;
4620
4621 for (i = 0; dev->event_types[i].mask; i++) {
4622
4623 if ((data_mask & dev->event_types[i].data) !=
4624 dev->event_types[i].data)
4625 continue;
4626
4627 if (!(mask & dev->event_types[i].mask))
4628 continue;
4629
4630 for (j = 0; dev->event_types[i].events[j].event; j++) {
4631 if (ev == dev->event_types[i].events[j].data) {
4632 device_event =
4633 dev->event_types[i].events[j].event;
4634 /* some events may require ignoring */
4635 if (!device_event)
4636 return IRQ_HANDLED;
4637 goto found;
4638 }
4639 }
4640 }
4641 /* Still not able to decode the event try to pass
4642 * it over to the minidriver
4643 */
4644 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4645 return IRQ_HANDLED;
4646
4647 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4648 ev, data_mask, dev->cur_ioport->io1.minimum,
4649 dev->evport_offset);
4650 return IRQ_HANDLED;
4651
4652 found:
4653 sony_laptop_report_input_event(device_event);
4654 sonypi_compat_report_event(device_event);
4655 return IRQ_HANDLED;
4656 }
4657
4658 /*****************
4659 *
4660 * ACPI driver
4661 *
4662 *****************/
4663 static int sony_pic_remove(struct acpi_device *device)
4664 {
4665 struct sony_pic_ioport *io, *tmp_io;
4666 struct sony_pic_irq *irq, *tmp_irq;
4667
4668 if (sony_pic_disable(device)) {
4669 pr_err("Couldn't disable device\n");
4670 return -ENXIO;
4671 }
4672
4673 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4674 release_region(spic_dev.cur_ioport->io1.minimum,
4675 spic_dev.cur_ioport->io1.address_length);
4676 if (spic_dev.cur_ioport->io2.minimum)
4677 release_region(spic_dev.cur_ioport->io2.minimum,
4678 spic_dev.cur_ioport->io2.address_length);
4679
4680 sonypi_compat_exit();
4681
4682 sony_laptop_remove_input();
4683
4684 /* pf attrs */
4685 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4686 sony_pf_remove();
4687
4688 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4689 list_del(&io->list);
4690 kfree(io);
4691 }
4692 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4693 list_del(&irq->list);
4694 kfree(irq);
4695 }
4696 spic_dev.cur_ioport = NULL;
4697 spic_dev.cur_irq = NULL;
4698
4699 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4700 return 0;
4701 }
4702
4703 static int sony_pic_add(struct acpi_device *device)
4704 {
4705 int result;
4706 struct sony_pic_ioport *io, *tmp_io;
4707 struct sony_pic_irq *irq, *tmp_irq;
4708
4709 spic_dev.acpi_dev = device;
4710 strcpy(acpi_device_class(device), "sony/hotkey");
4711 sony_pic_detect_device_type(&spic_dev);
4712 mutex_init(&spic_dev.lock);
4713
4714 /* read _PRS resources */
4715 result = sony_pic_possible_resources(device);
4716 if (result) {
4717 pr_err("Unable to read possible resources\n");
4718 goto err_free_resources;
4719 }
4720
4721 /* setup input devices and helper fifo */
4722 result = sony_laptop_setup_input(device);
4723 if (result) {
4724 pr_err("Unable to create input devices\n");
4725 goto err_free_resources;
4726 }
4727
4728 result = sonypi_compat_init();
4729 if (result)
4730 goto err_remove_input;
4731
4732 /* request io port */
4733 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4734 if (request_region(io->io1.minimum, io->io1.address_length,
4735 "Sony Programmable I/O Device")) {
4736 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4737 io->io1.minimum, io->io1.maximum,
4738 io->io1.address_length);
4739 /* Type 1 have 2 ioports */
4740 if (io->io2.minimum) {
4741 if (request_region(io->io2.minimum,
4742 io->io2.address_length,
4743 "Sony Programmable I/O Device")) {
4744 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4745 io->io2.minimum, io->io2.maximum,
4746 io->io2.address_length);
4747 spic_dev.cur_ioport = io;
4748 break;
4749 }
4750 else {
4751 dprintk("Unable to get I/O port2: "
4752 "0x%.4x (0x%.4x) + 0x%.2x\n",
4753 io->io2.minimum, io->io2.maximum,
4754 io->io2.address_length);
4755 release_region(io->io1.minimum,
4756 io->io1.address_length);
4757 }
4758 }
4759 else {
4760 spic_dev.cur_ioport = io;
4761 break;
4762 }
4763 }
4764 }
4765 if (!spic_dev.cur_ioport) {
4766 pr_err("Failed to request_region\n");
4767 result = -ENODEV;
4768 goto err_remove_compat;
4769 }
4770
4771 /* request IRQ */
4772 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4773 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4774 0, "sony-laptop", &spic_dev)) {
4775 dprintk("IRQ: %d - triggering: %d - "
4776 "polarity: %d - shr: %d\n",
4777 irq->irq.interrupts[0],
4778 irq->irq.triggering,
4779 irq->irq.polarity,
4780 irq->irq.sharable);
4781 spic_dev.cur_irq = irq;
4782 break;
4783 }
4784 }
4785 if (!spic_dev.cur_irq) {
4786 pr_err("Failed to request_irq\n");
4787 result = -ENODEV;
4788 goto err_release_region;
4789 }
4790
4791 /* set resource status _SRS */
4792 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4793 if (result) {
4794 pr_err("Couldn't enable device\n");
4795 goto err_free_irq;
4796 }
4797
4798 spic_dev.bluetooth_power = -1;
4799 /* create device attributes */
4800 result = sony_pf_add();
4801 if (result)
4802 goto err_disable_device;
4803
4804 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4805 if (result)
4806 goto err_remove_pf;
4807
4808 pr_info("SPIC setup done.\n");
4809 return 0;
4810
4811 err_remove_pf:
4812 sony_pf_remove();
4813
4814 err_disable_device:
4815 sony_pic_disable(device);
4816
4817 err_free_irq:
4818 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4819
4820 err_release_region:
4821 release_region(spic_dev.cur_ioport->io1.minimum,
4822 spic_dev.cur_ioport->io1.address_length);
4823 if (spic_dev.cur_ioport->io2.minimum)
4824 release_region(spic_dev.cur_ioport->io2.minimum,
4825 spic_dev.cur_ioport->io2.address_length);
4826
4827 err_remove_compat:
4828 sonypi_compat_exit();
4829
4830 err_remove_input:
4831 sony_laptop_remove_input();
4832
4833 err_free_resources:
4834 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4835 list_del(&io->list);
4836 kfree(io);
4837 }
4838 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4839 list_del(&irq->list);
4840 kfree(irq);
4841 }
4842 spic_dev.cur_ioport = NULL;
4843 spic_dev.cur_irq = NULL;
4844
4845 return result;
4846 }
4847
4848 #ifdef CONFIG_PM_SLEEP
4849 static int sony_pic_suspend(struct device *dev)
4850 {
4851 if (sony_pic_disable(to_acpi_device(dev)))
4852 return -ENXIO;
4853 return 0;
4854 }
4855
4856 static int sony_pic_resume(struct device *dev)
4857 {
4858 sony_pic_enable(to_acpi_device(dev),
4859 spic_dev.cur_ioport, spic_dev.cur_irq);
4860 return 0;
4861 }
4862 #endif
4863
4864 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4865
4866 static const struct acpi_device_id sony_pic_device_ids[] = {
4867 {SONY_PIC_HID, 0},
4868 {"", 0},
4869 };
4870
4871 static struct acpi_driver sony_pic_driver = {
4872 .name = SONY_PIC_DRIVER_NAME,
4873 .class = SONY_PIC_CLASS,
4874 .ids = sony_pic_device_ids,
4875 .owner = THIS_MODULE,
4876 .ops = {
4877 .add = sony_pic_add,
4878 .remove = sony_pic_remove,
4879 },
4880 .drv.pm = &sony_pic_pm,
4881 };
4882
4883 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
4884 {
4885 .ident = "Sony Vaio",
4886 .matches = {
4887 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4888 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4889 },
4890 },
4891 {
4892 .ident = "Sony Vaio",
4893 .matches = {
4894 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4895 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4896 },
4897 },
4898 { }
4899 };
4900
4901 static int __init sony_laptop_init(void)
4902 {
4903 int result;
4904
4905 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4906 result = acpi_bus_register_driver(&sony_pic_driver);
4907 if (result) {
4908 pr_err("Unable to register SPIC driver\n");
4909 goto out;
4910 }
4911 spic_drv_registered = 1;
4912 }
4913
4914 result = acpi_bus_register_driver(&sony_nc_driver);
4915 if (result) {
4916 pr_err("Unable to register SNC driver\n");
4917 goto out_unregister_pic;
4918 }
4919
4920 return 0;
4921
4922 out_unregister_pic:
4923 if (spic_drv_registered)
4924 acpi_bus_unregister_driver(&sony_pic_driver);
4925 out:
4926 return result;
4927 }
4928
4929 static void __exit sony_laptop_exit(void)
4930 {
4931 acpi_bus_unregister_driver(&sony_nc_driver);
4932 if (spic_drv_registered)
4933 acpi_bus_unregister_driver(&sony_pic_driver);
4934 }
4935
4936 module_init(sony_laptop_init);
4937 module_exit(sony_laptop_exit);
Linux with added FPC-III support