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Merge tag 'regmap-fix-v5.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux/fpc-iii.git] / drivers / platform / x86 / sony-laptop.c
blob7048133749221e079e69a72244acbc9c34f222b0
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * ACPI Sony Notebook Control Driver (SNC and SPIC)
4 *
5 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
6 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
7 *
8 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
9 * which are copyrighted by their respective authors.
10 *
11 * The SNY6001 driver part is based on the sonypi driver which includes
12 * material from:
13 *
14 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
15 *
16 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
17 *
18 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
19 *
20 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
21 *
22 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
23 *
24 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
25 *
26 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
27 *
28 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
29 */
30
31 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
32
33 #include <linux/kernel.h>
34 #include <linux/module.h>
35 #include <linux/moduleparam.h>
36 #include <linux/init.h>
37 #include <linux/types.h>
38 #include <linux/backlight.h>
39 #include <linux/platform_device.h>
40 #include <linux/err.h>
41 #include <linux/dmi.h>
42 #include <linux/pci.h>
43 #include <linux/interrupt.h>
44 #include <linux/delay.h>
45 #include <linux/input.h>
46 #include <linux/kfifo.h>
47 #include <linux/workqueue.h>
48 #include <linux/acpi.h>
49 #include <linux/slab.h>
50 #include <linux/sonypi.h>
51 #include <linux/sony-laptop.h>
52 #include <linux/rfkill.h>
53 #ifdef CONFIG_SONYPI_COMPAT
54 #include <linux/poll.h>
55 #include <linux/miscdevice.h>
56 #endif
57 #include <linux/uaccess.h>
58 #include <acpi/video.h>
59
60 #define dprintk(fmt, ...) \
61 do { \
62 if (debug) \
63 pr_warn(fmt, ##__VA_ARGS__); \
64 } while (0)
65
66 #define SONY_NC_CLASS "sony-nc"
67 #define SONY_NC_HID "SNY5001"
68 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
69
70 #define SONY_PIC_CLASS "sony-pic"
71 #define SONY_PIC_HID "SNY6001"
72 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
73
74 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
75 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
76 MODULE_LICENSE("GPL");
77
78 static int debug;
79 module_param(debug, int, 0);
80 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
81 "the development of this driver");
82
83 static int no_spic; /* = 0 */
84 module_param(no_spic, int, 0444);
85 MODULE_PARM_DESC(no_spic,
86 "set this if you don't want to enable the SPIC device");
87
88 static int compat; /* = 0 */
89 module_param(compat, int, 0444);
90 MODULE_PARM_DESC(compat,
91 "set this if you want to enable backward compatibility mode");
92
93 static unsigned long mask = 0xffffffff;
94 module_param(mask, ulong, 0644);
95 MODULE_PARM_DESC(mask,
96 "set this to the mask of event you want to enable (see doc)");
97
98 static int camera; /* = 0 */
99 module_param(camera, int, 0444);
100 MODULE_PARM_DESC(camera,
101 "set this to 1 to enable Motion Eye camera controls "
102 "(only use it if you have a C1VE or C1VN model)");
103
104 #ifdef CONFIG_SONYPI_COMPAT
105 static int minor = -1;
106 module_param(minor, int, 0);
107 MODULE_PARM_DESC(minor,
108 "minor number of the misc device for the SPIC compatibility code, "
109 "default is -1 (automatic)");
110 #endif
111
112 static int kbd_backlight = -1;
113 module_param(kbd_backlight, int, 0444);
114 MODULE_PARM_DESC(kbd_backlight,
115 "set this to 0 to disable keyboard backlight, "
116 "1 to enable it with automatic control and 2 to have it always "
117 "on (default: no change from current value)");
118
119 static int kbd_backlight_timeout = -1;
120 module_param(kbd_backlight_timeout, int, 0444);
121 MODULE_PARM_DESC(kbd_backlight_timeout,
122 "meaningful values vary from 0 to 3 and their meaning depends "
123 "on the model (default: no change from current value)");
124
125 #ifdef CONFIG_PM_SLEEP
126 static void sony_nc_thermal_resume(void);
127 #endif
128 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
129 unsigned int handle);
130 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
131 unsigned int handle);
132
133 static int sony_nc_battery_care_setup(struct platform_device *pd,
134 unsigned int handle);
135 static void sony_nc_battery_care_cleanup(struct platform_device *pd);
136
137 static int sony_nc_thermal_setup(struct platform_device *pd);
138 static void sony_nc_thermal_cleanup(struct platform_device *pd);
139
140 static int sony_nc_lid_resume_setup(struct platform_device *pd,
141 unsigned int handle);
142 static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
143
144 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
145 unsigned int handle);
146 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd);
147 static int __sony_nc_gfx_switch_status_get(void);
148
149 static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
150 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
151
152 static int sony_nc_lowbatt_setup(struct platform_device *pd);
153 static void sony_nc_lowbatt_cleanup(struct platform_device *pd);
154
155 static int sony_nc_fanspeed_setup(struct platform_device *pd);
156 static void sony_nc_fanspeed_cleanup(struct platform_device *pd);
157
158 static int sony_nc_usb_charge_setup(struct platform_device *pd);
159 static void sony_nc_usb_charge_cleanup(struct platform_device *pd);
160
161 static int sony_nc_panelid_setup(struct platform_device *pd);
162 static void sony_nc_panelid_cleanup(struct platform_device *pd);
163
164 static int sony_nc_smart_conn_setup(struct platform_device *pd);
165 static void sony_nc_smart_conn_cleanup(struct platform_device *pd);
166
167 static int sony_nc_touchpad_setup(struct platform_device *pd,
168 unsigned int handle);
169 static void sony_nc_touchpad_cleanup(struct platform_device *pd);
170
171 enum sony_nc_rfkill {
172 SONY_WIFI,
173 SONY_BLUETOOTH,
174 SONY_WWAN,
175 SONY_WIMAX,
176 N_SONY_RFKILL,
177 };
178
179 static int sony_rfkill_handle;
180 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
181 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
182 static int sony_nc_rfkill_setup(struct acpi_device *device,
183 unsigned int handle);
184 static void sony_nc_rfkill_cleanup(void);
185 static void sony_nc_rfkill_update(void);
186
187 /*********** Input Devices ***********/
188
189 #define SONY_LAPTOP_BUF_SIZE 128
190 struct sony_laptop_input_s {
191 atomic_t users;
192 struct input_dev *jog_dev;
193 struct input_dev *key_dev;
194 struct kfifo fifo;
195 spinlock_t fifo_lock;
196 struct timer_list release_key_timer;
197 };
198
199 static struct sony_laptop_input_s sony_laptop_input = {
200 .users = ATOMIC_INIT(0),
201 };
202
203 struct sony_laptop_keypress {
204 struct input_dev *dev;
205 int key;
206 };
207
208 /* Correspondance table between sonypi events
209 * and input layer indexes in the keymap
210 */
211 static const int sony_laptop_input_index[] = {
212 -1, /* 0 no event */
213 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
214 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
215 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
216 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
217 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
218 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
219 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
220 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
221 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
222 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
223 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
224 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
225 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
226 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
227 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
228 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
229 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
230 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
231 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
232 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
233 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
234 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
235 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
236 17, /* 24 SONYPI_EVENT_FNKEY_1 */
237 18, /* 25 SONYPI_EVENT_FNKEY_2 */
238 19, /* 26 SONYPI_EVENT_FNKEY_D */
239 20, /* 27 SONYPI_EVENT_FNKEY_E */
240 21, /* 28 SONYPI_EVENT_FNKEY_F */
241 22, /* 29 SONYPI_EVENT_FNKEY_S */
242 23, /* 30 SONYPI_EVENT_FNKEY_B */
243 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
244 25, /* 32 SONYPI_EVENT_PKEY_P1 */
245 26, /* 33 SONYPI_EVENT_PKEY_P2 */
246 27, /* 34 SONYPI_EVENT_PKEY_P3 */
247 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
248 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
249 -1, /* 37 SONYPI_EVENT_LID_OPENED */
250 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
251 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
252 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
253 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
254 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
255 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
256 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
257 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
258 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
259 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
260 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
261 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
262 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
263 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
264 43, /* 52 SONYPI_EVENT_MEYE_FACE */
265 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
266 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
267 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
268 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
269 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
270 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
271 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
272 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
273 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
274 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
275 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
276 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
277 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
278 53, /* 66 SONYPI_EVENT_PKEY_P4 */
279 54, /* 67 SONYPI_EVENT_PKEY_P5 */
280 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
281 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
282 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
283 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
284 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
285 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
286 };
287
288 static int sony_laptop_input_keycode_map[] = {
289 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
290 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
291 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
292 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
293 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
294 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
295 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
296 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
297 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
298 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
299 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
300 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
301 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
302 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
303 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
304 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
305 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
306 KEY_FN_1, /* 17 SONYPI_EVENT_FNKEY_1 */
307 KEY_FN_2, /* 18 SONYPI_EVENT_FNKEY_2 */
308 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
309 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
310 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
311 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
312 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
313 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
314 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
315 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
316 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
317 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
318 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
319 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
320 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
321 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
322 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
323 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
324 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
325 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
326 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
327 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
328 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
329 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
330 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
331 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
332 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
333 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
334 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
335 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
336 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
337 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
338 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
339 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
340 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
341 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
342 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
343 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
344 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
345 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
346 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
347 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
348 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
349 };
350
351 /* release buttons after a short delay if pressed */
352 static void do_sony_laptop_release_key(struct timer_list *unused)
353 {
354 struct sony_laptop_keypress kp;
355 unsigned long flags;
356
357 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
358
359 if (kfifo_out(&sony_laptop_input.fifo,
360 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
361 input_report_key(kp.dev, kp.key, 0);
362 input_sync(kp.dev);
363 }
364
365 /* If there is something in the fifo schedule next release. */
366 if (kfifo_len(&sony_laptop_input.fifo) != 0)
367 mod_timer(&sony_laptop_input.release_key_timer,
368 jiffies + msecs_to_jiffies(10));
369
370 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
371 }
372
373 /* forward event to the input subsystem */
374 static void sony_laptop_report_input_event(u8 event)
375 {
376 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
377 struct input_dev *key_dev = sony_laptop_input.key_dev;
378 struct sony_laptop_keypress kp = { NULL };
379 int scancode = -1;
380
381 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
382 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
383 /* Nothing, not all VAIOs generate this event */
384 return;
385 }
386
387 /* report events */
388 switch (event) {
389 /* jog_dev events */
390 case SONYPI_EVENT_JOGDIAL_UP:
391 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
392 input_report_rel(jog_dev, REL_WHEEL, 1);
393 input_sync(jog_dev);
394 return;
395
396 case SONYPI_EVENT_JOGDIAL_DOWN:
397 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
398 input_report_rel(jog_dev, REL_WHEEL, -1);
399 input_sync(jog_dev);
400 return;
401
402 /* key_dev events */
403 case SONYPI_EVENT_JOGDIAL_PRESSED:
404 kp.key = BTN_MIDDLE;
405 kp.dev = jog_dev;
406 break;
407
408 default:
409 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
410 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
411 break;
412 }
413 if ((scancode = sony_laptop_input_index[event]) != -1) {
414 kp.key = sony_laptop_input_keycode_map[scancode];
415 if (kp.key != KEY_UNKNOWN)
416 kp.dev = key_dev;
417 }
418 break;
419 }
420
421 if (kp.dev) {
422 /* if we have a scancode we emit it so we can always
423 remap the key */
424 if (scancode != -1)
425 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
426 input_report_key(kp.dev, kp.key, 1);
427 input_sync(kp.dev);
428
429 /* schedule key release */
430 kfifo_in_locked(&sony_laptop_input.fifo,
431 (unsigned char *)&kp, sizeof(kp),
432 &sony_laptop_input.fifo_lock);
433 mod_timer(&sony_laptop_input.release_key_timer,
434 jiffies + msecs_to_jiffies(10));
435 } else
436 dprintk("unknown input event %.2x\n", event);
437 }
438
439 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
440 {
441 struct input_dev *jog_dev;
442 struct input_dev *key_dev;
443 int i;
444 int error;
445
446 /* don't run again if already initialized */
447 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
448 return 0;
449
450 /* kfifo */
451 spin_lock_init(&sony_laptop_input.fifo_lock);
452 error = kfifo_alloc(&sony_laptop_input.fifo,
453 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
454 if (error) {
455 pr_err("kfifo_alloc failed\n");
456 goto err_dec_users;
457 }
458
459 timer_setup(&sony_laptop_input.release_key_timer,
460 do_sony_laptop_release_key, 0);
461
462 /* input keys */
463 key_dev = input_allocate_device();
464 if (!key_dev) {
465 error = -ENOMEM;
466 goto err_free_kfifo;
467 }
468
469 key_dev->name = "Sony Vaio Keys";
470 key_dev->id.bustype = BUS_ISA;
471 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
472 key_dev->dev.parent = &acpi_device->dev;
473
474 /* Initialize the Input Drivers: special keys */
475 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
476
477 __set_bit(EV_KEY, key_dev->evbit);
478 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
479 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
480 key_dev->keycode = &sony_laptop_input_keycode_map;
481 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
482 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
483 __clear_bit(KEY_RESERVED, key_dev->keybit);
484
485 error = input_register_device(key_dev);
486 if (error)
487 goto err_free_keydev;
488
489 sony_laptop_input.key_dev = key_dev;
490
491 /* jogdial */
492 jog_dev = input_allocate_device();
493 if (!jog_dev) {
494 error = -ENOMEM;
495 goto err_unregister_keydev;
496 }
497
498 jog_dev->name = "Sony Vaio Jogdial";
499 jog_dev->id.bustype = BUS_ISA;
500 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
501 jog_dev->dev.parent = &acpi_device->dev;
502
503 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
504 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
505
506 error = input_register_device(jog_dev);
507 if (error)
508 goto err_free_jogdev;
509
510 sony_laptop_input.jog_dev = jog_dev;
511
512 return 0;
513
514 err_free_jogdev:
515 input_free_device(jog_dev);
516
517 err_unregister_keydev:
518 input_unregister_device(key_dev);
519 /* to avoid kref underflow below at input_free_device */
520 key_dev = NULL;
521
522 err_free_keydev:
523 input_free_device(key_dev);
524
525 err_free_kfifo:
526 kfifo_free(&sony_laptop_input.fifo);
527
528 err_dec_users:
529 atomic_dec(&sony_laptop_input.users);
530 return error;
531 }
532
533 static void sony_laptop_remove_input(void)
534 {
535 struct sony_laptop_keypress kp = { NULL };
536
537 /* Cleanup only after the last user has gone */
538 if (!atomic_dec_and_test(&sony_laptop_input.users))
539 return;
540
541 del_timer_sync(&sony_laptop_input.release_key_timer);
542
543 /*
544 * Generate key-up events for remaining keys. Note that we don't
545 * need locking since nobody is adding new events to the kfifo.
546 */
547 while (kfifo_out(&sony_laptop_input.fifo,
548 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
549 input_report_key(kp.dev, kp.key, 0);
550 input_sync(kp.dev);
551 }
552
553 /* destroy input devs */
554 input_unregister_device(sony_laptop_input.key_dev);
555 sony_laptop_input.key_dev = NULL;
556
557 if (sony_laptop_input.jog_dev) {
558 input_unregister_device(sony_laptop_input.jog_dev);
559 sony_laptop_input.jog_dev = NULL;
560 }
561
562 kfifo_free(&sony_laptop_input.fifo);
563 }
564
565 /*********** Platform Device ***********/
566
567 static atomic_t sony_pf_users = ATOMIC_INIT(0);
568 static struct platform_driver sony_pf_driver = {
569 .driver = {
570 .name = "sony-laptop",
571 }
572 };
573 static struct platform_device *sony_pf_device;
574
575 static int sony_pf_add(void)
576 {
577 int ret = 0;
578
579 /* don't run again if already initialized */
580 if (atomic_add_return(1, &sony_pf_users) > 1)
581 return 0;
582
583 ret = platform_driver_register(&sony_pf_driver);
584 if (ret)
585 goto out;
586
587 sony_pf_device = platform_device_alloc("sony-laptop", -1);
588 if (!sony_pf_device) {
589 ret = -ENOMEM;
590 goto out_platform_registered;
591 }
592
593 ret = platform_device_add(sony_pf_device);
594 if (ret)
595 goto out_platform_alloced;
596
597 return 0;
598
599 out_platform_alloced:
600 platform_device_put(sony_pf_device);
601 sony_pf_device = NULL;
602 out_platform_registered:
603 platform_driver_unregister(&sony_pf_driver);
604 out:
605 atomic_dec(&sony_pf_users);
606 return ret;
607 }
608
609 static void sony_pf_remove(void)
610 {
611 /* deregister only after the last user has gone */
612 if (!atomic_dec_and_test(&sony_pf_users))
613 return;
614
615 platform_device_unregister(sony_pf_device);
616 platform_driver_unregister(&sony_pf_driver);
617 }
618
619 /*********** SNC (SNY5001) Device ***********/
620
621 /* the device uses 1-based values, while the backlight subsystem uses
622 0-based values */
623 #define SONY_MAX_BRIGHTNESS 8
624
625 #define SNC_VALIDATE_IN 0
626 #define SNC_VALIDATE_OUT 1
627
628 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
629 char *);
630 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
631 const char *, size_t);
632 static int boolean_validate(const int, const int);
633 static int brightness_default_validate(const int, const int);
634
635 struct sony_nc_value {
636 char *name; /* name of the entry */
637 char **acpiget; /* names of the ACPI get function */
638 char **acpiset; /* names of the ACPI set function */
639 int (*validate)(const int, const int); /* input/output validation */
640 int value; /* current setting */
641 int valid; /* Has ever been set */
642 int debug; /* active only in debug mode ? */
643 struct device_attribute devattr; /* sysfs attribute */
644 };
645
646 #define SNC_HANDLE_NAMES(_name, _values...) \
647 static char *snc_##_name[] = { _values, NULL }
648
649 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
650 { \
651 .name = __stringify(_name), \
652 .acpiget = _getters, \
653 .acpiset = _setters, \
654 .validate = _validate, \
655 .debug = _debug, \
656 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
657 }
658
659 #define SNC_HANDLE_NULL { .name = NULL }
660
661 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
662
663 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
664 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
665
666 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
667 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
668
669 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
670 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
671
672 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
673 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
674
675 SNC_HANDLE_NAMES(lidstate_get, "GLID");
676
677 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
678 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
679
680 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
681 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
682
683 SNC_HANDLE_NAMES(PID_get, "GPID");
684
685 SNC_HANDLE_NAMES(CTR_get, "GCTR");
686 SNC_HANDLE_NAMES(CTR_set, "SCTR");
687
688 SNC_HANDLE_NAMES(PCR_get, "GPCR");
689 SNC_HANDLE_NAMES(PCR_set, "SPCR");
690
691 SNC_HANDLE_NAMES(CMI_get, "GCMI");
692 SNC_HANDLE_NAMES(CMI_set, "SCMI");
693
694 static struct sony_nc_value sony_nc_values[] = {
695 SNC_HANDLE(brightness_default, snc_brightness_def_get,
696 snc_brightness_def_set, brightness_default_validate, 0),
697 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
698 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
699 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
700 boolean_validate, 0),
701 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
702 boolean_validate, 1),
703 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
704 boolean_validate, 0),
705 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
706 boolean_validate, 0),
707 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
708 boolean_validate, 0),
709 /* unknown methods */
710 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
711 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
712 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
713 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
714 SNC_HANDLE_NULL
715 };
716
717 static acpi_handle sony_nc_acpi_handle;
718 static struct acpi_device *sony_nc_acpi_device = NULL;
719
720 /*
721 * acpi_evaluate_object wrappers
722 * all useful calls into SNC methods take one or zero parameters and return
723 * integers or arrays.
724 */
725 static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
726 u64 *value)
727 {
728 union acpi_object *result = NULL;
729 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
730 acpi_status status;
731
732 if (value) {
733 struct acpi_object_list params;
734 union acpi_object in;
735 in.type = ACPI_TYPE_INTEGER;
736 in.integer.value = *value;
737 params.count = 1;
738 params.pointer = &in;
739 status = acpi_evaluate_object(handle, method, &params, &output);
740 dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method,
741 (unsigned int)(*value >> 32),
742 (unsigned int)*value & 0xffffffff);
743 } else {
744 status = acpi_evaluate_object(handle, method, NULL, &output);
745 dprintk("__call_snc_method: [%s]\n", method);
746 }
747
748 if (ACPI_FAILURE(status)) {
749 pr_err("Failed to evaluate [%s]\n", method);
750 return NULL;
751 }
752
753 result = (union acpi_object *) output.pointer;
754 if (!result)
755 dprintk("No return object [%s]\n", method);
756
757 return result;
758 }
759
760 #define MIN(a, b) (a > b ? b : a)
761 static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
762 void *buffer, size_t buflen)
763 {
764 int ret = 0;
765 size_t len;
766 union acpi_object *object = __call_snc_method(handle, name, value);
767
768 if (!object)
769 return -EINVAL;
770
771 if (!buffer) {
772 /* do nothing */
773 } else if (object->type == ACPI_TYPE_BUFFER) {
774 len = MIN(buflen, object->buffer.length);
775 memset(buffer, 0, buflen);
776 memcpy(buffer, object->buffer.pointer, len);
777
778 } else if (object->type == ACPI_TYPE_INTEGER) {
779 len = MIN(buflen, sizeof(object->integer.value));
780 memset(buffer, 0, buflen);
781 memcpy(buffer, &object->integer.value, len);
782
783 } else {
784 pr_warn("Unexpected acpi_object: 0x%x\n", object->type);
785 ret = -EINVAL;
786 }
787
788 kfree(object);
789 return ret;
790 }
791
792 static int sony_nc_int_call(acpi_handle handle, char *name, int *value, int
793 *result)
794 {
795 int ret;
796
797 if (value) {
798 u64 v = *value;
799
800 ret = sony_nc_buffer_call(handle, name, &v, result,
801 sizeof(*result));
802 } else {
803 ret = sony_nc_buffer_call(handle, name, NULL, result,
804 sizeof(*result));
805 }
806 return ret;
807 }
808
809 struct sony_nc_handles {
810 u16 cap[0x10];
811 struct device_attribute devattr;
812 };
813
814 static struct sony_nc_handles *handles;
815
816 static ssize_t sony_nc_handles_show(struct device *dev,
817 struct device_attribute *attr, char *buffer)
818 {
819 ssize_t len = 0;
820 int i;
821
822 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
823 len += scnprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
824 handles->cap[i]);
825 }
826 len += scnprintf(buffer + len, PAGE_SIZE - len, "\n");
827
828 return len;
829 }
830
831 static int sony_nc_handles_setup(struct platform_device *pd)
832 {
833 int i, r, result, arg;
834
835 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
836 if (!handles)
837 return -ENOMEM;
838
839 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
840 arg = i + 0x20;
841 r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg,
842 &result);
843 if (!r) {
844 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
845 result, i);
846 handles->cap[i] = result;
847 }
848 }
849
850 if (debug) {
851 sysfs_attr_init(&handles->devattr.attr);
852 handles->devattr.attr.name = "handles";
853 handles->devattr.attr.mode = S_IRUGO;
854 handles->devattr.show = sony_nc_handles_show;
855
856 /* allow reading capabilities via sysfs */
857 if (device_create_file(&pd->dev, &handles->devattr)) {
858 kfree(handles);
859 handles = NULL;
860 return -1;
861 }
862 }
863
864 return 0;
865 }
866
867 static int sony_nc_handles_cleanup(struct platform_device *pd)
868 {
869 if (handles) {
870 if (debug)
871 device_remove_file(&pd->dev, &handles->devattr);
872 kfree(handles);
873 handles = NULL;
874 }
875 return 0;
876 }
877
878 static int sony_find_snc_handle(int handle)
879 {
880 int i;
881
882 /* not initialized yet, return early */
883 if (!handles || !handle)
884 return -EINVAL;
885
886 for (i = 0; i < 0x10; i++) {
887 if (handles->cap[i] == handle) {
888 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
889 handle, i);
890 return i;
891 }
892 }
893 dprintk("handle 0x%.4x not found\n", handle);
894 return -EINVAL;
895 }
896
897 static int sony_call_snc_handle(int handle, int argument, int *result)
898 {
899 int arg, ret = 0;
900 int offset = sony_find_snc_handle(handle);
901
902 if (offset < 0)
903 return offset;
904
905 arg = offset | argument;
906 ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result);
907 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result);
908 return ret;
909 }
910
911 /*
912 * sony_nc_values input/output validate functions
913 */
914
915 /* brightness_default_validate:
916 *
917 * manipulate input output values to keep consistency with the
918 * backlight framework for which brightness values are 0-based.
919 */
920 static int brightness_default_validate(const int direction, const int value)
921 {
922 switch (direction) {
923 case SNC_VALIDATE_OUT:
924 return value - 1;
925 case SNC_VALIDATE_IN:
926 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
927 return value + 1;
928 }
929 return -EINVAL;
930 }
931
932 /* boolean_validate:
933 *
934 * on input validate boolean values 0/1, on output just pass the
935 * received value.
936 */
937 static int boolean_validate(const int direction, const int value)
938 {
939 if (direction == SNC_VALIDATE_IN) {
940 if (value != 0 && value != 1)
941 return -EINVAL;
942 }
943 return value;
944 }
945
946 /*
947 * Sysfs show/store common to all sony_nc_values
948 */
949 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
950 char *buffer)
951 {
952 int value, ret = 0;
953 struct sony_nc_value *item =
954 container_of(attr, struct sony_nc_value, devattr);
955
956 if (!*item->acpiget)
957 return -EIO;
958
959 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL,
960 &value);
961 if (ret < 0)
962 return -EIO;
963
964 if (item->validate)
965 value = item->validate(SNC_VALIDATE_OUT, value);
966
967 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
968 }
969
970 static ssize_t sony_nc_sysfs_store(struct device *dev,
971 struct device_attribute *attr,
972 const char *buffer, size_t count)
973 {
974 int value;
975 int ret = 0;
976 struct sony_nc_value *item =
977 container_of(attr, struct sony_nc_value, devattr);
978
979 if (!item->acpiset)
980 return -EIO;
981
982 if (count > 31)
983 return -EINVAL;
984
985 if (kstrtoint(buffer, 10, &value))
986 return -EINVAL;
987
988 if (item->validate)
989 value = item->validate(SNC_VALIDATE_IN, value);
990
991 if (value < 0)
992 return value;
993
994 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
995 &value, NULL);
996 if (ret < 0)
997 return -EIO;
998
999 item->value = value;
1000 item->valid = 1;
1001 return count;
1002 }
1003
1004
1005 /*
1006 * Backlight device
1007 */
1008 struct sony_backlight_props {
1009 struct backlight_device *dev;
1010 int handle;
1011 int cmd_base;
1012 u8 offset;
1013 u8 maxlvl;
1014 };
1015 static struct sony_backlight_props sony_bl_props;
1016
1017 static int sony_backlight_update_status(struct backlight_device *bd)
1018 {
1019 int arg = bd->props.brightness + 1;
1020 return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL);
1021 }
1022
1023 static int sony_backlight_get_brightness(struct backlight_device *bd)
1024 {
1025 int value;
1026
1027 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value))
1028 return 0;
1029 /* brightness levels are 1-based, while backlight ones are 0-based */
1030 return value - 1;
1031 }
1032
1033 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
1034 {
1035 int result;
1036 struct sony_backlight_props *sdev =
1037 (struct sony_backlight_props *)bl_get_data(bd);
1038
1039 sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result);
1040
1041 return (result & 0xff) - sdev->offset;
1042 }
1043
1044 static int sony_nc_update_status_ng(struct backlight_device *bd)
1045 {
1046 int value, result;
1047 struct sony_backlight_props *sdev =
1048 (struct sony_backlight_props *)bl_get_data(bd);
1049
1050 value = bd->props.brightness + sdev->offset;
1051 if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10),
1052 &result))
1053 return -EIO;
1054
1055 return value;
1056 }
1057
1058 static const struct backlight_ops sony_backlight_ops = {
1059 .options = BL_CORE_SUSPENDRESUME,
1060 .update_status = sony_backlight_update_status,
1061 .get_brightness = sony_backlight_get_brightness,
1062 };
1063 static const struct backlight_ops sony_backlight_ng_ops = {
1064 .options = BL_CORE_SUSPENDRESUME,
1065 .update_status = sony_nc_update_status_ng,
1066 .get_brightness = sony_nc_get_brightness_ng,
1067 };
1068
1069 /*
1070 * New SNC-only Vaios event mapping to driver known keys
1071 */
1072 struct sony_nc_event {
1073 u8 data;
1074 u8 event;
1075 };
1076
1077 static struct sony_nc_event sony_100_events[] = {
1078 { 0x90, SONYPI_EVENT_PKEY_P1 },
1079 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1080 { 0x91, SONYPI_EVENT_PKEY_P2 },
1081 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1082 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1083 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1084 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1085 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1086 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1087 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1088 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1089 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1090 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1091 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1092 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1093 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1094 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1095 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1096 { 0x88, SONYPI_EVENT_FNKEY_F8 },
1097 { 0x08, SONYPI_EVENT_FNKEY_RELEASED },
1098 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1099 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1100 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1101 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1102 { 0x8B, SONYPI_EVENT_FNKEY_F11 },
1103 { 0x0B, SONYPI_EVENT_FNKEY_RELEASED },
1104 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1105 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1106 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1107 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1108 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1109 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1110 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1111 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1112 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1113 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1114 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1115 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1116 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1117 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1118 { 0xa8, SONYPI_EVENT_FNKEY_1 },
1119 { 0x28, SONYPI_EVENT_ANYBUTTON_RELEASED },
1120 { 0, 0 },
1121 };
1122
1123 static struct sony_nc_event sony_127_events[] = {
1124 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1125 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1126 { 0x82, SONYPI_EVENT_PKEY_P1 },
1127 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1128 { 0x83, SONYPI_EVENT_PKEY_P2 },
1129 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1130 { 0x84, SONYPI_EVENT_PKEY_P3 },
1131 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1132 { 0x85, SONYPI_EVENT_PKEY_P4 },
1133 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1134 { 0x86, SONYPI_EVENT_PKEY_P5 },
1135 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1136 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1137 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1138 { 0, 0 },
1139 };
1140
1141 static int sony_nc_hotkeys_decode(u32 event, unsigned int handle)
1142 {
1143 int ret = -EINVAL;
1144 unsigned int result = 0;
1145 struct sony_nc_event *key_event;
1146
1147 if (sony_call_snc_handle(handle, 0x200, &result)) {
1148 dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle,
1149 event);
1150 return -EINVAL;
1151 }
1152
1153 result &= 0xFF;
1154
1155 if (handle == 0x0100)
1156 key_event = sony_100_events;
1157 else
1158 key_event = sony_127_events;
1159
1160 for (; key_event->data; key_event++) {
1161 if (key_event->data == result) {
1162 ret = key_event->event;
1163 break;
1164 }
1165 }
1166
1167 if (!key_event->data)
1168 pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n",
1169 event, result, handle);
1170
1171 return ret;
1172 }
1173
1174 /*
1175 * ACPI callbacks
1176 */
1177 enum event_types {
1178 HOTKEY = 1,
1179 KILLSWITCH,
1180 GFX_SWITCH
1181 };
1182 static void sony_nc_notify(struct acpi_device *device, u32 event)
1183 {
1184 u32 real_ev = event;
1185 u8 ev_type = 0;
1186 int ret;
1187
1188 dprintk("sony_nc_notify, event: 0x%.2x\n", event);
1189
1190 if (event >= 0x90) {
1191 unsigned int result = 0;
1192 unsigned int arg = 0;
1193 unsigned int handle = 0;
1194 unsigned int offset = event - 0x90;
1195
1196 if (offset >= ARRAY_SIZE(handles->cap)) {
1197 pr_err("Event 0x%x outside of capabilities list\n",
1198 event);
1199 return;
1200 }
1201 handle = handles->cap[offset];
1202
1203 /* list of handles known for generating events */
1204 switch (handle) {
1205 /* hotkey event */
1206 case 0x0100:
1207 case 0x0127:
1208 ev_type = HOTKEY;
1209 ret = sony_nc_hotkeys_decode(event, handle);
1210
1211 if (ret > 0) {
1212 sony_laptop_report_input_event(ret);
1213 real_ev = ret;
1214 }
1215
1216 break;
1217
1218 /* wlan switch */
1219 case 0x0124:
1220 case 0x0135:
1221 /* events on this handle are reported when the
1222 * switch changes position or for battery
1223 * events. We'll notify both of them but only
1224 * update the rfkill device status when the
1225 * switch is moved.
1226 */
1227 ev_type = KILLSWITCH;
1228 sony_call_snc_handle(handle, 0x0100, &result);
1229 real_ev = result & 0x03;
1230
1231 /* hw switch event */
1232 if (real_ev == 1)
1233 sony_nc_rfkill_update();
1234
1235 break;
1236
1237 case 0x0128:
1238 case 0x0146:
1239 /* Hybrid GFX switching */
1240 sony_call_snc_handle(handle, 0x0000, &result);
1241 dprintk("GFX switch event received (reason: %s)\n",
1242 (result == 0x1) ? "switch change" :
1243 (result == 0x2) ? "output switch" :
1244 (result == 0x3) ? "output switch" :
1245 "");
1246
1247 ev_type = GFX_SWITCH;
1248 real_ev = __sony_nc_gfx_switch_status_get();
1249 break;
1250
1251 case 0x015B:
1252 /* Hybrid GFX switching SVS151290S */
1253 ev_type = GFX_SWITCH;
1254 real_ev = __sony_nc_gfx_switch_status_get();
1255 break;
1256 default:
1257 dprintk("Unknown event 0x%x for handle 0x%x\n",
1258 event, handle);
1259 break;
1260 }
1261
1262 /* clear the event (and the event reason when present) */
1263 arg = 1 << offset;
1264 sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result);
1265
1266 } else {
1267 /* old style event */
1268 ev_type = HOTKEY;
1269 sony_laptop_report_input_event(real_ev);
1270 }
1271 acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
1272 dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
1273 }
1274
1275 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1276 void *context, void **return_value)
1277 {
1278 struct acpi_device_info *info;
1279
1280 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1281 pr_warn("method: name: %4.4s, args %X\n",
1282 (char *)&info->name, info->param_count);
1283
1284 kfree(info);
1285 }
1286
1287 return AE_OK;
1288 }
1289
1290 /*
1291 * ACPI device
1292 */
1293 static void sony_nc_function_setup(struct acpi_device *device,
1294 struct platform_device *pf_device)
1295 {
1296 unsigned int i, result, bitmask, arg;
1297
1298 if (!handles)
1299 return;
1300
1301 /* setup found handles here */
1302 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1303 unsigned int handle = handles->cap[i];
1304
1305 if (!handle)
1306 continue;
1307
1308 dprintk("setting up handle 0x%.4x\n", handle);
1309
1310 switch (handle) {
1311 case 0x0100:
1312 case 0x0101:
1313 case 0x0127:
1314 /* setup hotkeys */
1315 sony_call_snc_handle(handle, 0, &result);
1316 break;
1317 case 0x0102:
1318 /* setup hotkeys */
1319 sony_call_snc_handle(handle, 0x100, &result);
1320 break;
1321 case 0x0105:
1322 case 0x0148:
1323 /* touchpad enable/disable */
1324 result = sony_nc_touchpad_setup(pf_device, handle);
1325 if (result)
1326 pr_err("couldn't set up touchpad control function (%d)\n",
1327 result);
1328 break;
1329 case 0x0115:
1330 case 0x0136:
1331 case 0x013f:
1332 result = sony_nc_battery_care_setup(pf_device, handle);
1333 if (result)
1334 pr_err("couldn't set up battery care function (%d)\n",
1335 result);
1336 break;
1337 case 0x0119:
1338 case 0x015D:
1339 result = sony_nc_lid_resume_setup(pf_device, handle);
1340 if (result)
1341 pr_err("couldn't set up lid resume function (%d)\n",
1342 result);
1343 break;
1344 case 0x0122:
1345 result = sony_nc_thermal_setup(pf_device);
1346 if (result)
1347 pr_err("couldn't set up thermal profile function (%d)\n",
1348 result);
1349 break;
1350 case 0x0128:
1351 case 0x0146:
1352 case 0x015B:
1353 result = sony_nc_gfx_switch_setup(pf_device, handle);
1354 if (result)
1355 pr_err("couldn't set up GFX Switch status (%d)\n",
1356 result);
1357 break;
1358 case 0x0131:
1359 result = sony_nc_highspeed_charging_setup(pf_device);
1360 if (result)
1361 pr_err("couldn't set up high speed charging function (%d)\n",
1362 result);
1363 break;
1364 case 0x0124:
1365 case 0x0135:
1366 result = sony_nc_rfkill_setup(device, handle);
1367 if (result)
1368 pr_err("couldn't set up rfkill support (%d)\n",
1369 result);
1370 break;
1371 case 0x0137:
1372 case 0x0143:
1373 case 0x014b:
1374 case 0x014c:
1375 case 0x0153:
1376 case 0x0163:
1377 result = sony_nc_kbd_backlight_setup(pf_device, handle);
1378 if (result)
1379 pr_err("couldn't set up keyboard backlight function (%d)\n",
1380 result);
1381 break;
1382 case 0x0121:
1383 result = sony_nc_lowbatt_setup(pf_device);
1384 if (result)
1385 pr_err("couldn't set up low battery function (%d)\n",
1386 result);
1387 break;
1388 case 0x0149:
1389 result = sony_nc_fanspeed_setup(pf_device);
1390 if (result)
1391 pr_err("couldn't set up fan speed function (%d)\n",
1392 result);
1393 break;
1394 case 0x0155:
1395 result = sony_nc_usb_charge_setup(pf_device);
1396 if (result)
1397 pr_err("couldn't set up USB charge support (%d)\n",
1398 result);
1399 break;
1400 case 0x011D:
1401 result = sony_nc_panelid_setup(pf_device);
1402 if (result)
1403 pr_err("couldn't set up panel ID function (%d)\n",
1404 result);
1405 break;
1406 case 0x0168:
1407 result = sony_nc_smart_conn_setup(pf_device);
1408 if (result)
1409 pr_err("couldn't set up smart connect support (%d)\n",
1410 result);
1411 break;
1412 default:
1413 continue;
1414 }
1415 }
1416
1417 /* Enable all events */
1418 arg = 0x10;
1419 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1420 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1421 &result);
1422 }
1423
1424 static void sony_nc_function_cleanup(struct platform_device *pd)
1425 {
1426 unsigned int i, result, bitmask, handle;
1427
1428 if (!handles)
1429 return;
1430
1431 /* get enabled events and disable them */
1432 sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask);
1433 sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result);
1434
1435 /* cleanup handles here */
1436 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1437
1438 handle = handles->cap[i];
1439
1440 if (!handle)
1441 continue;
1442
1443 switch (handle) {
1444 case 0x0105:
1445 case 0x0148:
1446 sony_nc_touchpad_cleanup(pd);
1447 break;
1448 case 0x0115:
1449 case 0x0136:
1450 case 0x013f:
1451 sony_nc_battery_care_cleanup(pd);
1452 break;
1453 case 0x0119:
1454 case 0x015D:
1455 sony_nc_lid_resume_cleanup(pd);
1456 break;
1457 case 0x0122:
1458 sony_nc_thermal_cleanup(pd);
1459 break;
1460 case 0x0128:
1461 case 0x0146:
1462 case 0x015B:
1463 sony_nc_gfx_switch_cleanup(pd);
1464 break;
1465 case 0x0131:
1466 sony_nc_highspeed_charging_cleanup(pd);
1467 break;
1468 case 0x0124:
1469 case 0x0135:
1470 sony_nc_rfkill_cleanup();
1471 break;
1472 case 0x0137:
1473 case 0x0143:
1474 case 0x014b:
1475 case 0x014c:
1476 case 0x0153:
1477 case 0x0163:
1478 sony_nc_kbd_backlight_cleanup(pd, handle);
1479 break;
1480 case 0x0121:
1481 sony_nc_lowbatt_cleanup(pd);
1482 break;
1483 case 0x0149:
1484 sony_nc_fanspeed_cleanup(pd);
1485 break;
1486 case 0x0155:
1487 sony_nc_usb_charge_cleanup(pd);
1488 break;
1489 case 0x011D:
1490 sony_nc_panelid_cleanup(pd);
1491 break;
1492 case 0x0168:
1493 sony_nc_smart_conn_cleanup(pd);
1494 break;
1495 default:
1496 continue;
1497 }
1498 }
1499
1500 /* finally cleanup the handles list */
1501 sony_nc_handles_cleanup(pd);
1502 }
1503
1504 #ifdef CONFIG_PM_SLEEP
1505 static void sony_nc_function_resume(void)
1506 {
1507 unsigned int i, result, bitmask, arg;
1508
1509 dprintk("Resuming SNC device\n");
1510
1511 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
1512 unsigned int handle = handles->cap[i];
1513
1514 if (!handle)
1515 continue;
1516
1517 switch (handle) {
1518 case 0x0100:
1519 case 0x0101:
1520 case 0x0127:
1521 /* re-enable hotkeys */
1522 sony_call_snc_handle(handle, 0, &result);
1523 break;
1524 case 0x0102:
1525 /* re-enable hotkeys */
1526 sony_call_snc_handle(handle, 0x100, &result);
1527 break;
1528 case 0x0122:
1529 sony_nc_thermal_resume();
1530 break;
1531 case 0x0124:
1532 case 0x0135:
1533 sony_nc_rfkill_update();
1534 break;
1535 default:
1536 continue;
1537 }
1538 }
1539
1540 /* Enable all events */
1541 arg = 0x10;
1542 if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask))
1543 sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask,
1544 &result);
1545 }
1546
1547 static int sony_nc_resume(struct device *dev)
1548 {
1549 struct sony_nc_value *item;
1550
1551 for (item = sony_nc_values; item->name; item++) {
1552 int ret;
1553
1554 if (!item->valid)
1555 continue;
1556 ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset,
1557 &item->value, NULL);
1558 if (ret < 0) {
1559 pr_err("%s: %d\n", __func__, ret);
1560 break;
1561 }
1562 }
1563
1564 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
1565 int arg = 1;
1566 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
1567 dprintk("ECON Method failed\n");
1568 }
1569
1570 if (acpi_has_method(sony_nc_acpi_handle, "SN00"))
1571 sony_nc_function_resume();
1572
1573 return 0;
1574 }
1575 #endif
1576
1577 static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
1578
1579 static void sony_nc_rfkill_cleanup(void)
1580 {
1581 int i;
1582
1583 for (i = 0; i < N_SONY_RFKILL; i++) {
1584 if (sony_rfkill_devices[i]) {
1585 rfkill_unregister(sony_rfkill_devices[i]);
1586 rfkill_destroy(sony_rfkill_devices[i]);
1587 }
1588 }
1589 }
1590
1591 static int sony_nc_rfkill_set(void *data, bool blocked)
1592 {
1593 int result;
1594 int argument = sony_rfkill_address[(long) data] + 0x100;
1595
1596 if (!blocked)
1597 argument |= 0x070000;
1598
1599 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1600 }
1601
1602 static const struct rfkill_ops sony_rfkill_ops = {
1603 .set_block = sony_nc_rfkill_set,
1604 };
1605
1606 static int sony_nc_setup_rfkill(struct acpi_device *device,
1607 enum sony_nc_rfkill nc_type)
1608 {
1609 int err;
1610 struct rfkill *rfk;
1611 enum rfkill_type type;
1612 const char *name;
1613 int result;
1614 bool hwblock, swblock;
1615
1616 switch (nc_type) {
1617 case SONY_WIFI:
1618 type = RFKILL_TYPE_WLAN;
1619 name = "sony-wifi";
1620 break;
1621 case SONY_BLUETOOTH:
1622 type = RFKILL_TYPE_BLUETOOTH;
1623 name = "sony-bluetooth";
1624 break;
1625 case SONY_WWAN:
1626 type = RFKILL_TYPE_WWAN;
1627 name = "sony-wwan";
1628 break;
1629 case SONY_WIMAX:
1630 type = RFKILL_TYPE_WIMAX;
1631 name = "sony-wimax";
1632 break;
1633 default:
1634 return -EINVAL;
1635 }
1636
1637 rfk = rfkill_alloc(name, &device->dev, type,
1638 &sony_rfkill_ops, (void *)nc_type);
1639 if (!rfk)
1640 return -ENOMEM;
1641
1642 err = sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1643 if (err < 0) {
1644 rfkill_destroy(rfk);
1645 return err;
1646 }
1647 hwblock = !(result & 0x1);
1648
1649 err = sony_call_snc_handle(sony_rfkill_handle,
1650 sony_rfkill_address[nc_type],
1651 &result);
1652 if (err < 0) {
1653 rfkill_destroy(rfk);
1654 return err;
1655 }
1656 swblock = !(result & 0x2);
1657
1658 rfkill_init_sw_state(rfk, swblock);
1659 rfkill_set_hw_state(rfk, hwblock);
1660
1661 err = rfkill_register(rfk);
1662 if (err) {
1663 rfkill_destroy(rfk);
1664 return err;
1665 }
1666 sony_rfkill_devices[nc_type] = rfk;
1667 return err;
1668 }
1669
1670 static void sony_nc_rfkill_update(void)
1671 {
1672 enum sony_nc_rfkill i;
1673 int result;
1674 bool hwblock;
1675
1676 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1677 hwblock = !(result & 0x1);
1678
1679 for (i = 0; i < N_SONY_RFKILL; i++) {
1680 int argument = sony_rfkill_address[i];
1681
1682 if (!sony_rfkill_devices[i])
1683 continue;
1684
1685 if (hwblock) {
1686 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1687 /* we already know we're blocked */
1688 }
1689 continue;
1690 }
1691
1692 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1693 rfkill_set_states(sony_rfkill_devices[i],
1694 !(result & 0x2), false);
1695 }
1696 }
1697
1698 static int sony_nc_rfkill_setup(struct acpi_device *device,
1699 unsigned int handle)
1700 {
1701 u64 offset;
1702 int i;
1703 unsigned char buffer[32] = { 0 };
1704
1705 offset = sony_find_snc_handle(handle);
1706 sony_rfkill_handle = handle;
1707
1708 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
1709 32);
1710 if (i < 0)
1711 return i;
1712
1713 /* The buffer is filled with magic numbers describing the devices
1714 * available, 0xff terminates the enumeration.
1715 * Known codes:
1716 * 0x00 WLAN
1717 * 0x10 BLUETOOTH
1718 * 0x20 WWAN GPRS-EDGE
1719 * 0x21 WWAN HSDPA
1720 * 0x22 WWAN EV-DO
1721 * 0x23 WWAN GPS
1722 * 0x25 Gobi WWAN no GPS
1723 * 0x26 Gobi WWAN + GPS
1724 * 0x28 Gobi WWAN no GPS
1725 * 0x29 Gobi WWAN + GPS
1726 * 0x30 WIMAX
1727 * 0x50 Gobi WWAN no GPS
1728 * 0x51 Gobi WWAN + GPS
1729 * 0x70 no SIM card slot
1730 * 0x71 SIM card slot
1731 */
1732 for (i = 0; i < ARRAY_SIZE(buffer); i++) {
1733
1734 if (buffer[i] == 0xff)
1735 break;
1736
1737 dprintk("Radio devices, found 0x%.2x\n", buffer[i]);
1738
1739 if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI])
1740 sony_nc_setup_rfkill(device, SONY_WIFI);
1741
1742 if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1743 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1744
1745 if (((0xf0 & buffer[i]) == 0x20 ||
1746 (0xf0 & buffer[i]) == 0x50) &&
1747 !sony_rfkill_devices[SONY_WWAN])
1748 sony_nc_setup_rfkill(device, SONY_WWAN);
1749
1750 if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1751 sony_nc_setup_rfkill(device, SONY_WIMAX);
1752 }
1753 return 0;
1754 }
1755
1756 /* Keyboard backlight feature */
1757 struct kbd_backlight {
1758 unsigned int handle;
1759 unsigned int base;
1760 unsigned int mode;
1761 unsigned int timeout;
1762 unsigned int has_timeout;
1763 struct device_attribute mode_attr;
1764 struct device_attribute timeout_attr;
1765 };
1766
1767 static struct kbd_backlight *kbdbl_ctl;
1768
1769 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1770 {
1771 int result;
1772
1773 if (value > 2)
1774 return -EINVAL;
1775
1776 if (sony_call_snc_handle(kbdbl_ctl->handle,
1777 (value << 0x10) | (kbdbl_ctl->base), &result))
1778 return -EIO;
1779
1780 /* Try to turn the light on/off immediately */
1781 if (value != 1)
1782 sony_call_snc_handle(kbdbl_ctl->handle,
1783 (value << 0x0f) | (kbdbl_ctl->base + 0x100),
1784 &result);
1785
1786 kbdbl_ctl->mode = value;
1787
1788 return 0;
1789 }
1790
1791 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1792 struct device_attribute *attr,
1793 const char *buffer, size_t count)
1794 {
1795 int ret = 0;
1796 unsigned long value;
1797
1798 if (count > 31)
1799 return -EINVAL;
1800
1801 if (kstrtoul(buffer, 10, &value))
1802 return -EINVAL;
1803
1804 ret = __sony_nc_kbd_backlight_mode_set(value);
1805 if (ret < 0)
1806 return ret;
1807
1808 return count;
1809 }
1810
1811 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1812 struct device_attribute *attr, char *buffer)
1813 {
1814 ssize_t count = 0;
1815 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode);
1816 return count;
1817 }
1818
1819 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1820 {
1821 int result;
1822
1823 if (value > 3)
1824 return -EINVAL;
1825
1826 if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) |
1827 (kbdbl_ctl->base + 0x200), &result))
1828 return -EIO;
1829
1830 kbdbl_ctl->timeout = value;
1831
1832 return 0;
1833 }
1834
1835 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1836 struct device_attribute *attr,
1837 const char *buffer, size_t count)
1838 {
1839 int ret = 0;
1840 unsigned long value;
1841
1842 if (count > 31)
1843 return -EINVAL;
1844
1845 if (kstrtoul(buffer, 10, &value))
1846 return -EINVAL;
1847
1848 ret = __sony_nc_kbd_backlight_timeout_set(value);
1849 if (ret < 0)
1850 return ret;
1851
1852 return count;
1853 }
1854
1855 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1856 struct device_attribute *attr, char *buffer)
1857 {
1858 ssize_t count = 0;
1859 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout);
1860 return count;
1861 }
1862
1863 static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
1864 unsigned int handle)
1865 {
1866 int result;
1867 int probe_base = 0;
1868 int ctl_base = 0;
1869 int ret = 0;
1870
1871 if (kbdbl_ctl) {
1872 pr_warn("handle 0x%.4x: keyboard backlight setup already done for 0x%.4x\n",
1873 handle, kbdbl_ctl->handle);
1874 return -EBUSY;
1875 }
1876
1877 /* verify the kbd backlight presence, some of these handles are not used
1878 * for keyboard backlight only
1879 */
1880 switch (handle) {
1881 case 0x0153:
1882 probe_base = 0x0;
1883 ctl_base = 0x0;
1884 break;
1885 case 0x0137:
1886 probe_base = 0x0B00;
1887 ctl_base = 0x0C00;
1888 break;
1889 default:
1890 probe_base = 0x0100;
1891 ctl_base = 0x4000;
1892 break;
1893 }
1894
1895 ret = sony_call_snc_handle(handle, probe_base, &result);
1896 if (ret)
1897 return ret;
1898
1899 if ((handle == 0x0137 && !(result & 0x02)) ||
1900 !(result & 0x01)) {
1901 dprintk("no backlight keyboard found\n");
1902 return 0;
1903 }
1904
1905 kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL);
1906 if (!kbdbl_ctl)
1907 return -ENOMEM;
1908
1909 kbdbl_ctl->mode = kbd_backlight;
1910 kbdbl_ctl->timeout = kbd_backlight_timeout;
1911 kbdbl_ctl->handle = handle;
1912 kbdbl_ctl->base = ctl_base;
1913 /* Some models do not allow timeout control */
1914 kbdbl_ctl->has_timeout = handle != 0x0153;
1915
1916 sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
1917 kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
1918 kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1919 kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1920 kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1921
1922 ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
1923 if (ret)
1924 goto outkzalloc;
1925
1926 __sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
1927
1928 if (kbdbl_ctl->has_timeout) {
1929 sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
1930 kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
1931 kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1932 kbdbl_ctl->timeout_attr.show =
1933 sony_nc_kbd_backlight_timeout_show;
1934 kbdbl_ctl->timeout_attr.store =
1935 sony_nc_kbd_backlight_timeout_store;
1936
1937 ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1938 if (ret)
1939 goto outmode;
1940
1941 __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
1942 }
1943
1944
1945 return 0;
1946
1947 outmode:
1948 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1949 outkzalloc:
1950 kfree(kbdbl_ctl);
1951 kbdbl_ctl = NULL;
1952 return ret;
1953 }
1954
1955 static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd,
1956 unsigned int handle)
1957 {
1958 if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
1959 device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
1960 if (kbdbl_ctl->has_timeout)
1961 device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
1962 kfree(kbdbl_ctl);
1963 kbdbl_ctl = NULL;
1964 }
1965 }
1966
1967 struct battery_care_control {
1968 struct device_attribute attrs[2];
1969 unsigned int handle;
1970 };
1971 static struct battery_care_control *bcare_ctl;
1972
1973 static ssize_t sony_nc_battery_care_limit_store(struct device *dev,
1974 struct device_attribute *attr,
1975 const char *buffer, size_t count)
1976 {
1977 unsigned int result, cmd;
1978 unsigned long value;
1979
1980 if (count > 31)
1981 return -EINVAL;
1982
1983 if (kstrtoul(buffer, 10, &value))
1984 return -EINVAL;
1985
1986 /* limit values (2 bits):
1987 * 00 - none
1988 * 01 - 80%
1989 * 10 - 50%
1990 * 11 - 100%
1991 *
1992 * bit 0: 0 disable BCL, 1 enable BCL
1993 * bit 1: 1 tell to store the battery limit (see bits 6,7) too
1994 * bits 2,3: reserved
1995 * bits 4,5: store the limit into the EC
1996 * bits 6,7: store the limit into the battery
1997 */
1998 cmd = 0;
1999
2000 if (value > 0) {
2001 if (value <= 50)
2002 cmd = 0x20;
2003
2004 else if (value <= 80)
2005 cmd = 0x10;
2006
2007 else if (value <= 100)
2008 cmd = 0x30;
2009
2010 else
2011 return -EINVAL;
2012
2013 /*
2014 * handle 0x0115 should allow storing on battery too;
2015 * handle 0x0136 same as 0x0115 + health status;
2016 * handle 0x013f, same as 0x0136 but no storing on the battery
2017 */
2018 if (bcare_ctl->handle != 0x013f)
2019 cmd = cmd | (cmd << 2);
2020
2021 cmd = (cmd | 0x1) << 0x10;
2022 }
2023
2024 if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result))
2025 return -EIO;
2026
2027 return count;
2028 }
2029
2030 static ssize_t sony_nc_battery_care_limit_show(struct device *dev,
2031 struct device_attribute *attr, char *buffer)
2032 {
2033 unsigned int result, status;
2034
2035 if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result))
2036 return -EIO;
2037
2038 status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0;
2039 switch (status) {
2040 case 1:
2041 status = 80;
2042 break;
2043 case 2:
2044 status = 50;
2045 break;
2046 case 3:
2047 status = 100;
2048 break;
2049 default:
2050 status = 0;
2051 break;
2052 }
2053
2054 return snprintf(buffer, PAGE_SIZE, "%d\n", status);
2055 }
2056
2057 static ssize_t sony_nc_battery_care_health_show(struct device *dev,
2058 struct device_attribute *attr, char *buffer)
2059 {
2060 ssize_t count = 0;
2061 unsigned int health;
2062
2063 if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health))
2064 return -EIO;
2065
2066 count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff);
2067
2068 return count;
2069 }
2070
2071 static int sony_nc_battery_care_setup(struct platform_device *pd,
2072 unsigned int handle)
2073 {
2074 int ret = 0;
2075
2076 bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL);
2077 if (!bcare_ctl)
2078 return -ENOMEM;
2079
2080 bcare_ctl->handle = handle;
2081
2082 sysfs_attr_init(&bcare_ctl->attrs[0].attr);
2083 bcare_ctl->attrs[0].attr.name = "battery_care_limiter";
2084 bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR;
2085 bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show;
2086 bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store;
2087
2088 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]);
2089 if (ret)
2090 goto outkzalloc;
2091
2092 /* 0x0115 is for models with no health reporting capability */
2093 if (handle == 0x0115)
2094 return 0;
2095
2096 sysfs_attr_init(&bcare_ctl->attrs[1].attr);
2097 bcare_ctl->attrs[1].attr.name = "battery_care_health";
2098 bcare_ctl->attrs[1].attr.mode = S_IRUGO;
2099 bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show;
2100
2101 ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]);
2102 if (ret)
2103 goto outlimiter;
2104
2105 return 0;
2106
2107 outlimiter:
2108 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2109
2110 outkzalloc:
2111 kfree(bcare_ctl);
2112 bcare_ctl = NULL;
2113
2114 return ret;
2115 }
2116
2117 static void sony_nc_battery_care_cleanup(struct platform_device *pd)
2118 {
2119 if (bcare_ctl) {
2120 device_remove_file(&pd->dev, &bcare_ctl->attrs[0]);
2121 if (bcare_ctl->handle != 0x0115)
2122 device_remove_file(&pd->dev, &bcare_ctl->attrs[1]);
2123
2124 kfree(bcare_ctl);
2125 bcare_ctl = NULL;
2126 }
2127 }
2128
2129 struct snc_thermal_ctrl {
2130 unsigned int mode;
2131 unsigned int profiles;
2132 struct device_attribute mode_attr;
2133 struct device_attribute profiles_attr;
2134 };
2135 static struct snc_thermal_ctrl *th_handle;
2136
2137 #define THM_PROFILE_MAX 3
2138 static const char * const snc_thermal_profiles[] = {
2139 "balanced",
2140 "silent",
2141 "performance"
2142 };
2143
2144 static int sony_nc_thermal_mode_set(unsigned short mode)
2145 {
2146 unsigned int result;
2147
2148 /* the thermal profile seems to be a two bit bitmask:
2149 * lsb -> silent
2150 * msb -> performance
2151 * no bit set is the normal operation and is always valid
2152 * Some vaio models only have "balanced" and "performance"
2153 */
2154 if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX)
2155 return -EINVAL;
2156
2157 if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result))
2158 return -EIO;
2159
2160 th_handle->mode = mode;
2161
2162 return 0;
2163 }
2164
2165 static int sony_nc_thermal_mode_get(void)
2166 {
2167 unsigned int result;
2168
2169 if (sony_call_snc_handle(0x0122, 0x0100, &result))
2170 return -EIO;
2171
2172 return result & 0xff;
2173 }
2174
2175 static ssize_t sony_nc_thermal_profiles_show(struct device *dev,
2176 struct device_attribute *attr, char *buffer)
2177 {
2178 short cnt;
2179 size_t idx = 0;
2180
2181 for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) {
2182 if (!cnt || (th_handle->profiles & cnt))
2183 idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "%s ",
2184 snc_thermal_profiles[cnt]);
2185 }
2186 idx += scnprintf(buffer + idx, PAGE_SIZE - idx, "\n");
2187
2188 return idx;
2189 }
2190
2191 static ssize_t sony_nc_thermal_mode_store(struct device *dev,
2192 struct device_attribute *attr,
2193 const char *buffer, size_t count)
2194 {
2195 unsigned short cmd;
2196 size_t len = count;
2197
2198 if (count == 0)
2199 return -EINVAL;
2200
2201 /* skip the newline if present */
2202 if (buffer[len - 1] == '\n')
2203 len--;
2204
2205 for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++)
2206 if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0)
2207 break;
2208
2209 if (sony_nc_thermal_mode_set(cmd))
2210 return -EIO;
2211
2212 return count;
2213 }
2214
2215 static ssize_t sony_nc_thermal_mode_show(struct device *dev,
2216 struct device_attribute *attr, char *buffer)
2217 {
2218 ssize_t count = 0;
2219 int mode = sony_nc_thermal_mode_get();
2220
2221 if (mode < 0)
2222 return mode;
2223
2224 count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]);
2225
2226 return count;
2227 }
2228
2229 static int sony_nc_thermal_setup(struct platform_device *pd)
2230 {
2231 int ret = 0;
2232 th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL);
2233 if (!th_handle)
2234 return -ENOMEM;
2235
2236 ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles);
2237 if (ret) {
2238 pr_warn("couldn't to read the thermal profiles\n");
2239 goto outkzalloc;
2240 }
2241
2242 ret = sony_nc_thermal_mode_get();
2243 if (ret < 0) {
2244 pr_warn("couldn't to read the current thermal profile");
2245 goto outkzalloc;
2246 }
2247 th_handle->mode = ret;
2248
2249 sysfs_attr_init(&th_handle->profiles_attr.attr);
2250 th_handle->profiles_attr.attr.name = "thermal_profiles";
2251 th_handle->profiles_attr.attr.mode = S_IRUGO;
2252 th_handle->profiles_attr.show = sony_nc_thermal_profiles_show;
2253
2254 sysfs_attr_init(&th_handle->mode_attr.attr);
2255 th_handle->mode_attr.attr.name = "thermal_control";
2256 th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
2257 th_handle->mode_attr.show = sony_nc_thermal_mode_show;
2258 th_handle->mode_attr.store = sony_nc_thermal_mode_store;
2259
2260 ret = device_create_file(&pd->dev, &th_handle->profiles_attr);
2261 if (ret)
2262 goto outkzalloc;
2263
2264 ret = device_create_file(&pd->dev, &th_handle->mode_attr);
2265 if (ret)
2266 goto outprofiles;
2267
2268 return 0;
2269
2270 outprofiles:
2271 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2272 outkzalloc:
2273 kfree(th_handle);
2274 th_handle = NULL;
2275 return ret;
2276 }
2277
2278 static void sony_nc_thermal_cleanup(struct platform_device *pd)
2279 {
2280 if (th_handle) {
2281 device_remove_file(&pd->dev, &th_handle->profiles_attr);
2282 device_remove_file(&pd->dev, &th_handle->mode_attr);
2283 kfree(th_handle);
2284 th_handle = NULL;
2285 }
2286 }
2287
2288 #ifdef CONFIG_PM_SLEEP
2289 static void sony_nc_thermal_resume(void)
2290 {
2291 int status;
2292
2293 if (!th_handle)
2294 return;
2295
2296 status = sony_nc_thermal_mode_get();
2297
2298 if (status != th_handle->mode)
2299 sony_nc_thermal_mode_set(th_handle->mode);
2300 }
2301 #endif
2302
2303 /* resume on LID open */
2304 #define LID_RESUME_S5 0
2305 #define LID_RESUME_S4 1
2306 #define LID_RESUME_S3 2
2307 #define LID_RESUME_MAX 3
2308 struct snc_lid_resume_control {
2309 struct device_attribute attrs[LID_RESUME_MAX];
2310 unsigned int status;
2311 int handle;
2312 };
2313 static struct snc_lid_resume_control *lid_ctl;
2314
2315 static ssize_t sony_nc_lid_resume_store(struct device *dev,
2316 struct device_attribute *attr,
2317 const char *buffer, size_t count)
2318 {
2319 unsigned int result;
2320 unsigned long value;
2321 unsigned int pos = LID_RESUME_S5;
2322 if (count > 31)
2323 return -EINVAL;
2324
2325 if (kstrtoul(buffer, 10, &value) || value > 1)
2326 return -EINVAL;
2327
2328 /* the value we have to write to SNC is a bitmask:
2329 * +--------------+
2330 * | S3 | S4 | S5 |
2331 * +--------------+
2332 * 2 1 0
2333 */
2334 while (pos < LID_RESUME_MAX) {
2335 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2336 break;
2337 pos++;
2338 }
2339 if (pos == LID_RESUME_MAX)
2340 return -EINVAL;
2341
2342 if (value)
2343 value = lid_ctl->status | (1 << pos);
2344 else
2345 value = lid_ctl->status & ~(1 << pos);
2346
2347 if (sony_call_snc_handle(lid_ctl->handle, value << 0x10 | 0x0100,
2348 &result))
2349 return -EIO;
2350
2351 lid_ctl->status = value;
2352
2353 return count;
2354 }
2355
2356 static ssize_t sony_nc_lid_resume_show(struct device *dev,
2357 struct device_attribute *attr,
2358 char *buffer)
2359 {
2360 unsigned int pos = LID_RESUME_S5;
2361
2362 while (pos < LID_RESUME_MAX) {
2363 if (&lid_ctl->attrs[pos].attr == &attr->attr)
2364 return snprintf(buffer, PAGE_SIZE, "%d\n",
2365 (lid_ctl->status >> pos) & 0x01);
2366 pos++;
2367 }
2368 return -EINVAL;
2369 }
2370
2371 static int sony_nc_lid_resume_setup(struct platform_device *pd,
2372 unsigned int handle)
2373 {
2374 unsigned int result;
2375 int i;
2376
2377 if (sony_call_snc_handle(handle, 0x0000, &result))
2378 return -EIO;
2379
2380 lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL);
2381 if (!lid_ctl)
2382 return -ENOMEM;
2383
2384 lid_ctl->status = result & 0x7;
2385 lid_ctl->handle = handle;
2386
2387 sysfs_attr_init(&lid_ctl->attrs[0].attr);
2388 lid_ctl->attrs[LID_RESUME_S5].attr.name = "lid_resume_S5";
2389 lid_ctl->attrs[LID_RESUME_S5].attr.mode = S_IRUGO | S_IWUSR;
2390 lid_ctl->attrs[LID_RESUME_S5].show = sony_nc_lid_resume_show;
2391 lid_ctl->attrs[LID_RESUME_S5].store = sony_nc_lid_resume_store;
2392
2393 if (handle == 0x0119) {
2394 sysfs_attr_init(&lid_ctl->attrs[1].attr);
2395 lid_ctl->attrs[LID_RESUME_S4].attr.name = "lid_resume_S4";
2396 lid_ctl->attrs[LID_RESUME_S4].attr.mode = S_IRUGO | S_IWUSR;
2397 lid_ctl->attrs[LID_RESUME_S4].show = sony_nc_lid_resume_show;
2398 lid_ctl->attrs[LID_RESUME_S4].store = sony_nc_lid_resume_store;
2399
2400 sysfs_attr_init(&lid_ctl->attrs[2].attr);
2401 lid_ctl->attrs[LID_RESUME_S3].attr.name = "lid_resume_S3";
2402 lid_ctl->attrs[LID_RESUME_S3].attr.mode = S_IRUGO | S_IWUSR;
2403 lid_ctl->attrs[LID_RESUME_S3].show = sony_nc_lid_resume_show;
2404 lid_ctl->attrs[LID_RESUME_S3].store = sony_nc_lid_resume_store;
2405 }
2406 for (i = 0; i < LID_RESUME_MAX &&
2407 lid_ctl->attrs[i].attr.name; i++) {
2408 result = device_create_file(&pd->dev, &lid_ctl->attrs[i]);
2409 if (result)
2410 goto liderror;
2411 }
2412
2413 return 0;
2414
2415 liderror:
2416 for (i--; i >= 0; i--)
2417 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2418
2419 kfree(lid_ctl);
2420 lid_ctl = NULL;
2421
2422 return result;
2423 }
2424
2425 static void sony_nc_lid_resume_cleanup(struct platform_device *pd)
2426 {
2427 int i;
2428
2429 if (lid_ctl) {
2430 for (i = 0; i < LID_RESUME_MAX; i++) {
2431 if (!lid_ctl->attrs[i].attr.name)
2432 break;
2433
2434 device_remove_file(&pd->dev, &lid_ctl->attrs[i]);
2435 }
2436
2437 kfree(lid_ctl);
2438 lid_ctl = NULL;
2439 }
2440 }
2441
2442 /* GFX Switch position */
2443 enum gfx_switch {
2444 SPEED,
2445 STAMINA,
2446 AUTO
2447 };
2448 struct snc_gfx_switch_control {
2449 struct device_attribute attr;
2450 unsigned int handle;
2451 };
2452 static struct snc_gfx_switch_control *gfxs_ctl;
2453
2454 /* returns 0 for speed, 1 for stamina */
2455 static int __sony_nc_gfx_switch_status_get(void)
2456 {
2457 unsigned int result;
2458
2459 if (sony_call_snc_handle(gfxs_ctl->handle,
2460 gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
2461 &result))
2462 return -EIO;
2463
2464 switch (gfxs_ctl->handle) {
2465 case 0x0146:
2466 /* 1: discrete GFX (speed)
2467 * 0: integrated GFX (stamina)
2468 */
2469 return result & 0x1 ? SPEED : STAMINA;
2470 case 0x015B:
2471 /* 0: discrete GFX (speed)
2472 * 1: integrated GFX (stamina)
2473 */
2474 return result & 0x1 ? STAMINA : SPEED;
2475 case 0x0128:
2476 /* it's a more elaborated bitmask, for now:
2477 * 2: integrated GFX (stamina)
2478 * 0: discrete GFX (speed)
2479 */
2480 dprintk("GFX Status: 0x%x\n", result);
2481 return result & 0x80 ? AUTO :
2482 result & 0x02 ? STAMINA : SPEED;
2483 }
2484 return -EINVAL;
2485 }
2486
2487 static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
2488 struct device_attribute *attr,
2489 char *buffer)
2490 {
2491 int pos = __sony_nc_gfx_switch_status_get();
2492
2493 if (pos < 0)
2494 return pos;
2495
2496 return snprintf(buffer, PAGE_SIZE, "%s\n",
2497 pos == SPEED ? "speed" :
2498 pos == STAMINA ? "stamina" :
2499 pos == AUTO ? "auto" : "unknown");
2500 }
2501
2502 static int sony_nc_gfx_switch_setup(struct platform_device *pd,
2503 unsigned int handle)
2504 {
2505 unsigned int result;
2506
2507 gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL);
2508 if (!gfxs_ctl)
2509 return -ENOMEM;
2510
2511 gfxs_ctl->handle = handle;
2512
2513 sysfs_attr_init(&gfxs_ctl->attr.attr);
2514 gfxs_ctl->attr.attr.name = "gfx_switch_status";
2515 gfxs_ctl->attr.attr.mode = S_IRUGO;
2516 gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show;
2517
2518 result = device_create_file(&pd->dev, &gfxs_ctl->attr);
2519 if (result)
2520 goto gfxerror;
2521
2522 return 0;
2523
2524 gfxerror:
2525 kfree(gfxs_ctl);
2526 gfxs_ctl = NULL;
2527
2528 return result;
2529 }
2530
2531 static void sony_nc_gfx_switch_cleanup(struct platform_device *pd)
2532 {
2533 if (gfxs_ctl) {
2534 device_remove_file(&pd->dev, &gfxs_ctl->attr);
2535
2536 kfree(gfxs_ctl);
2537 gfxs_ctl = NULL;
2538 }
2539 }
2540
2541 /* High speed charging function */
2542 static struct device_attribute *hsc_handle;
2543
2544 static ssize_t sony_nc_highspeed_charging_store(struct device *dev,
2545 struct device_attribute *attr,
2546 const char *buffer, size_t count)
2547 {
2548 unsigned int result;
2549 unsigned long value;
2550
2551 if (count > 31)
2552 return -EINVAL;
2553
2554 if (kstrtoul(buffer, 10, &value) || value > 1)
2555 return -EINVAL;
2556
2557 if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result))
2558 return -EIO;
2559
2560 return count;
2561 }
2562
2563 static ssize_t sony_nc_highspeed_charging_show(struct device *dev,
2564 struct device_attribute *attr, char *buffer)
2565 {
2566 unsigned int result;
2567
2568 if (sony_call_snc_handle(0x0131, 0x0100, &result))
2569 return -EIO;
2570
2571 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2572 }
2573
2574 static int sony_nc_highspeed_charging_setup(struct platform_device *pd)
2575 {
2576 unsigned int result;
2577
2578 if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) {
2579 /* some models advertise the handle but have no implementation
2580 * for it
2581 */
2582 pr_info("No High Speed Charging capability found\n");
2583 return 0;
2584 }
2585
2586 hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2587 if (!hsc_handle)
2588 return -ENOMEM;
2589
2590 sysfs_attr_init(&hsc_handle->attr);
2591 hsc_handle->attr.name = "battery_highspeed_charging";
2592 hsc_handle->attr.mode = S_IRUGO | S_IWUSR;
2593 hsc_handle->show = sony_nc_highspeed_charging_show;
2594 hsc_handle->store = sony_nc_highspeed_charging_store;
2595
2596 result = device_create_file(&pd->dev, hsc_handle);
2597 if (result) {
2598 kfree(hsc_handle);
2599 hsc_handle = NULL;
2600 return result;
2601 }
2602
2603 return 0;
2604 }
2605
2606 static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd)
2607 {
2608 if (hsc_handle) {
2609 device_remove_file(&pd->dev, hsc_handle);
2610 kfree(hsc_handle);
2611 hsc_handle = NULL;
2612 }
2613 }
2614
2615 /* low battery function */
2616 static struct device_attribute *lowbatt_handle;
2617
2618 static ssize_t sony_nc_lowbatt_store(struct device *dev,
2619 struct device_attribute *attr,
2620 const char *buffer, size_t count)
2621 {
2622 unsigned int result;
2623 unsigned long value;
2624
2625 if (count > 31)
2626 return -EINVAL;
2627
2628 if (kstrtoul(buffer, 10, &value) || value > 1)
2629 return -EINVAL;
2630
2631 if (sony_call_snc_handle(0x0121, value << 8, &result))
2632 return -EIO;
2633
2634 return count;
2635 }
2636
2637 static ssize_t sony_nc_lowbatt_show(struct device *dev,
2638 struct device_attribute *attr, char *buffer)
2639 {
2640 unsigned int result;
2641
2642 if (sony_call_snc_handle(0x0121, 0x0200, &result))
2643 return -EIO;
2644
2645 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 1);
2646 }
2647
2648 static int sony_nc_lowbatt_setup(struct platform_device *pd)
2649 {
2650 unsigned int result;
2651
2652 lowbatt_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2653 if (!lowbatt_handle)
2654 return -ENOMEM;
2655
2656 sysfs_attr_init(&lowbatt_handle->attr);
2657 lowbatt_handle->attr.name = "lowbatt_hibernate";
2658 lowbatt_handle->attr.mode = S_IRUGO | S_IWUSR;
2659 lowbatt_handle->show = sony_nc_lowbatt_show;
2660 lowbatt_handle->store = sony_nc_lowbatt_store;
2661
2662 result = device_create_file(&pd->dev, lowbatt_handle);
2663 if (result) {
2664 kfree(lowbatt_handle);
2665 lowbatt_handle = NULL;
2666 return result;
2667 }
2668
2669 return 0;
2670 }
2671
2672 static void sony_nc_lowbatt_cleanup(struct platform_device *pd)
2673 {
2674 if (lowbatt_handle) {
2675 device_remove_file(&pd->dev, lowbatt_handle);
2676 kfree(lowbatt_handle);
2677 lowbatt_handle = NULL;
2678 }
2679 }
2680
2681 /* fan speed function */
2682 static struct device_attribute *fan_handle, *hsf_handle;
2683
2684 static ssize_t sony_nc_hsfan_store(struct device *dev,
2685 struct device_attribute *attr,
2686 const char *buffer, size_t count)
2687 {
2688 unsigned int result;
2689 unsigned long value;
2690
2691 if (count > 31)
2692 return -EINVAL;
2693
2694 if (kstrtoul(buffer, 10, &value) || value > 1)
2695 return -EINVAL;
2696
2697 if (sony_call_snc_handle(0x0149, value << 0x10 | 0x0200, &result))
2698 return -EIO;
2699
2700 return count;
2701 }
2702
2703 static ssize_t sony_nc_hsfan_show(struct device *dev,
2704 struct device_attribute *attr, char *buffer)
2705 {
2706 unsigned int result;
2707
2708 if (sony_call_snc_handle(0x0149, 0x0100, &result))
2709 return -EIO;
2710
2711 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2712 }
2713
2714 static ssize_t sony_nc_fanspeed_show(struct device *dev,
2715 struct device_attribute *attr, char *buffer)
2716 {
2717 unsigned int result;
2718
2719 if (sony_call_snc_handle(0x0149, 0x0300, &result))
2720 return -EIO;
2721
2722 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0xff);
2723 }
2724
2725 static int sony_nc_fanspeed_setup(struct platform_device *pd)
2726 {
2727 unsigned int result;
2728
2729 fan_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2730 if (!fan_handle)
2731 return -ENOMEM;
2732
2733 hsf_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2734 if (!hsf_handle) {
2735 result = -ENOMEM;
2736 goto out_hsf_handle_alloc;
2737 }
2738
2739 sysfs_attr_init(&fan_handle->attr);
2740 fan_handle->attr.name = "fanspeed";
2741 fan_handle->attr.mode = S_IRUGO;
2742 fan_handle->show = sony_nc_fanspeed_show;
2743 fan_handle->store = NULL;
2744
2745 sysfs_attr_init(&hsf_handle->attr);
2746 hsf_handle->attr.name = "fan_forced";
2747 hsf_handle->attr.mode = S_IRUGO | S_IWUSR;
2748 hsf_handle->show = sony_nc_hsfan_show;
2749 hsf_handle->store = sony_nc_hsfan_store;
2750
2751 result = device_create_file(&pd->dev, fan_handle);
2752 if (result)
2753 goto out_fan_handle;
2754
2755 result = device_create_file(&pd->dev, hsf_handle);
2756 if (result)
2757 goto out_hsf_handle;
2758
2759 return 0;
2760
2761 out_hsf_handle:
2762 device_remove_file(&pd->dev, fan_handle);
2763
2764 out_fan_handle:
2765 kfree(hsf_handle);
2766 hsf_handle = NULL;
2767
2768 out_hsf_handle_alloc:
2769 kfree(fan_handle);
2770 fan_handle = NULL;
2771 return result;
2772 }
2773
2774 static void sony_nc_fanspeed_cleanup(struct platform_device *pd)
2775 {
2776 if (fan_handle) {
2777 device_remove_file(&pd->dev, fan_handle);
2778 kfree(fan_handle);
2779 fan_handle = NULL;
2780 }
2781 if (hsf_handle) {
2782 device_remove_file(&pd->dev, hsf_handle);
2783 kfree(hsf_handle);
2784 hsf_handle = NULL;
2785 }
2786 }
2787
2788 /* USB charge function */
2789 static struct device_attribute *uc_handle;
2790
2791 static ssize_t sony_nc_usb_charge_store(struct device *dev,
2792 struct device_attribute *attr,
2793 const char *buffer, size_t count)
2794 {
2795 unsigned int result;
2796 unsigned long value;
2797
2798 if (count > 31)
2799 return -EINVAL;
2800
2801 if (kstrtoul(buffer, 10, &value) || value > 1)
2802 return -EINVAL;
2803
2804 if (sony_call_snc_handle(0x0155, value << 0x10 | 0x0100, &result))
2805 return -EIO;
2806
2807 return count;
2808 }
2809
2810 static ssize_t sony_nc_usb_charge_show(struct device *dev,
2811 struct device_attribute *attr, char *buffer)
2812 {
2813 unsigned int result;
2814
2815 if (sony_call_snc_handle(0x0155, 0x0000, &result))
2816 return -EIO;
2817
2818 return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01);
2819 }
2820
2821 static int sony_nc_usb_charge_setup(struct platform_device *pd)
2822 {
2823 unsigned int result;
2824
2825 if (sony_call_snc_handle(0x0155, 0x0000, &result) || !(result & 0x01)) {
2826 /* some models advertise the handle but have no implementation
2827 * for it
2828 */
2829 pr_info("No USB Charge capability found\n");
2830 return 0;
2831 }
2832
2833 uc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2834 if (!uc_handle)
2835 return -ENOMEM;
2836
2837 sysfs_attr_init(&uc_handle->attr);
2838 uc_handle->attr.name = "usb_charge";
2839 uc_handle->attr.mode = S_IRUGO | S_IWUSR;
2840 uc_handle->show = sony_nc_usb_charge_show;
2841 uc_handle->store = sony_nc_usb_charge_store;
2842
2843 result = device_create_file(&pd->dev, uc_handle);
2844 if (result) {
2845 kfree(uc_handle);
2846 uc_handle = NULL;
2847 return result;
2848 }
2849
2850 return 0;
2851 }
2852
2853 static void sony_nc_usb_charge_cleanup(struct platform_device *pd)
2854 {
2855 if (uc_handle) {
2856 device_remove_file(&pd->dev, uc_handle);
2857 kfree(uc_handle);
2858 uc_handle = NULL;
2859 }
2860 }
2861
2862 /* Panel ID function */
2863 static struct device_attribute *panel_handle;
2864
2865 static ssize_t sony_nc_panelid_show(struct device *dev,
2866 struct device_attribute *attr, char *buffer)
2867 {
2868 unsigned int result;
2869
2870 if (sony_call_snc_handle(0x011D, 0x0000, &result))
2871 return -EIO;
2872
2873 return snprintf(buffer, PAGE_SIZE, "%d\n", result);
2874 }
2875
2876 static int sony_nc_panelid_setup(struct platform_device *pd)
2877 {
2878 unsigned int result;
2879
2880 panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2881 if (!panel_handle)
2882 return -ENOMEM;
2883
2884 sysfs_attr_init(&panel_handle->attr);
2885 panel_handle->attr.name = "panel_id";
2886 panel_handle->attr.mode = S_IRUGO;
2887 panel_handle->show = sony_nc_panelid_show;
2888 panel_handle->store = NULL;
2889
2890 result = device_create_file(&pd->dev, panel_handle);
2891 if (result) {
2892 kfree(panel_handle);
2893 panel_handle = NULL;
2894 return result;
2895 }
2896
2897 return 0;
2898 }
2899
2900 static void sony_nc_panelid_cleanup(struct platform_device *pd)
2901 {
2902 if (panel_handle) {
2903 device_remove_file(&pd->dev, panel_handle);
2904 kfree(panel_handle);
2905 panel_handle = NULL;
2906 }
2907 }
2908
2909 /* smart connect function */
2910 static struct device_attribute *sc_handle;
2911
2912 static ssize_t sony_nc_smart_conn_store(struct device *dev,
2913 struct device_attribute *attr,
2914 const char *buffer, size_t count)
2915 {
2916 unsigned int result;
2917 unsigned long value;
2918
2919 if (count > 31)
2920 return -EINVAL;
2921
2922 if (kstrtoul(buffer, 10, &value) || value > 1)
2923 return -EINVAL;
2924
2925 if (sony_call_snc_handle(0x0168, value << 0x10, &result))
2926 return -EIO;
2927
2928 return count;
2929 }
2930
2931 static int sony_nc_smart_conn_setup(struct platform_device *pd)
2932 {
2933 unsigned int result;
2934
2935 sc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
2936 if (!sc_handle)
2937 return -ENOMEM;
2938
2939 sysfs_attr_init(&sc_handle->attr);
2940 sc_handle->attr.name = "smart_connect";
2941 sc_handle->attr.mode = S_IWUSR;
2942 sc_handle->show = NULL;
2943 sc_handle->store = sony_nc_smart_conn_store;
2944
2945 result = device_create_file(&pd->dev, sc_handle);
2946 if (result) {
2947 kfree(sc_handle);
2948 sc_handle = NULL;
2949 return result;
2950 }
2951
2952 return 0;
2953 }
2954
2955 static void sony_nc_smart_conn_cleanup(struct platform_device *pd)
2956 {
2957 if (sc_handle) {
2958 device_remove_file(&pd->dev, sc_handle);
2959 kfree(sc_handle);
2960 sc_handle = NULL;
2961 }
2962 }
2963
2964 /* Touchpad enable/disable */
2965 struct touchpad_control {
2966 struct device_attribute attr;
2967 int handle;
2968 };
2969 static struct touchpad_control *tp_ctl;
2970
2971 static ssize_t sony_nc_touchpad_store(struct device *dev,
2972 struct device_attribute *attr, const char *buffer, size_t count)
2973 {
2974 unsigned int result;
2975 unsigned long value;
2976
2977 if (count > 31)
2978 return -EINVAL;
2979
2980 if (kstrtoul(buffer, 10, &value) || value > 1)
2981 return -EINVAL;
2982
2983 /* sysfs: 0 disabled, 1 enabled
2984 * EC: 0 enabled, 1 disabled
2985 */
2986 if (sony_call_snc_handle(tp_ctl->handle,
2987 (!value << 0x10) | 0x100, &result))
2988 return -EIO;
2989
2990 return count;
2991 }
2992
2993 static ssize_t sony_nc_touchpad_show(struct device *dev,
2994 struct device_attribute *attr, char *buffer)
2995 {
2996 unsigned int result;
2997
2998 if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result))
2999 return -EINVAL;
3000
3001 return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01));
3002 }
3003
3004 static int sony_nc_touchpad_setup(struct platform_device *pd,
3005 unsigned int handle)
3006 {
3007 int ret = 0;
3008
3009 tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL);
3010 if (!tp_ctl)
3011 return -ENOMEM;
3012
3013 tp_ctl->handle = handle;
3014
3015 sysfs_attr_init(&tp_ctl->attr.attr);
3016 tp_ctl->attr.attr.name = "touchpad";
3017 tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR;
3018 tp_ctl->attr.show = sony_nc_touchpad_show;
3019 tp_ctl->attr.store = sony_nc_touchpad_store;
3020
3021 ret = device_create_file(&pd->dev, &tp_ctl->attr);
3022 if (ret) {
3023 kfree(tp_ctl);
3024 tp_ctl = NULL;
3025 }
3026
3027 return ret;
3028 }
3029
3030 static void sony_nc_touchpad_cleanup(struct platform_device *pd)
3031 {
3032 if (tp_ctl) {
3033 device_remove_file(&pd->dev, &tp_ctl->attr);
3034 kfree(tp_ctl);
3035 tp_ctl = NULL;
3036 }
3037 }
3038
3039 static void sony_nc_backlight_ng_read_limits(int handle,
3040 struct sony_backlight_props *props)
3041 {
3042 u64 offset;
3043 int i;
3044 int lvl_table_len = 0;
3045 u8 min = 0xff, max = 0x00;
3046 unsigned char buffer[32] = { 0 };
3047
3048 props->handle = handle;
3049 props->offset = 0;
3050 props->maxlvl = 0xff;
3051
3052 offset = sony_find_snc_handle(handle);
3053
3054 /* try to read the boundaries from ACPI tables, if we fail the above
3055 * defaults should be reasonable
3056 */
3057 i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer,
3058 32);
3059 if (i < 0)
3060 return;
3061
3062 switch (handle) {
3063 case 0x012f:
3064 case 0x0137:
3065 lvl_table_len = 9;
3066 break;
3067 case 0x143:
3068 case 0x14b:
3069 case 0x14c:
3070 lvl_table_len = 16;
3071 break;
3072 }
3073
3074 /* the buffer lists brightness levels available, brightness levels are
3075 * from position 0 to 8 in the array, other values are used by ALS
3076 * control.
3077 */
3078 for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) {
3079
3080 dprintk("Brightness level: %d\n", buffer[i]);
3081
3082 if (!buffer[i])
3083 break;
3084
3085 if (buffer[i] > max)
3086 max = buffer[i];
3087 if (buffer[i] < min)
3088 min = buffer[i];
3089 }
3090 props->offset = min;
3091 props->maxlvl = max;
3092 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
3093 props->maxlvl);
3094 }
3095
3096 static void sony_nc_backlight_setup(void)
3097 {
3098 int max_brightness = 0;
3099 const struct backlight_ops *ops = NULL;
3100 struct backlight_properties props;
3101
3102 if (sony_find_snc_handle(0x12f) >= 0) {
3103 ops = &sony_backlight_ng_ops;
3104 sony_bl_props.cmd_base = 0x0100;
3105 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
3106 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3107
3108 } else if (sony_find_snc_handle(0x137) >= 0) {
3109 ops = &sony_backlight_ng_ops;
3110 sony_bl_props.cmd_base = 0x0100;
3111 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
3112 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3113
3114 } else if (sony_find_snc_handle(0x143) >= 0) {
3115 ops = &sony_backlight_ng_ops;
3116 sony_bl_props.cmd_base = 0x3000;
3117 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
3118 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3119
3120 } else if (sony_find_snc_handle(0x14b) >= 0) {
3121 ops = &sony_backlight_ng_ops;
3122 sony_bl_props.cmd_base = 0x3000;
3123 sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
3124 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3125
3126 } else if (sony_find_snc_handle(0x14c) >= 0) {
3127 ops = &sony_backlight_ng_ops;
3128 sony_bl_props.cmd_base = 0x3000;
3129 sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
3130 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
3131
3132 } else if (acpi_has_method(sony_nc_acpi_handle, "GBRT")) {
3133 ops = &sony_backlight_ops;
3134 max_brightness = SONY_MAX_BRIGHTNESS - 1;
3135
3136 } else
3137 return;
3138
3139 memset(&props, 0, sizeof(struct backlight_properties));
3140 props.type = BACKLIGHT_PLATFORM;
3141 props.max_brightness = max_brightness;
3142 sony_bl_props.dev = backlight_device_register("sony", NULL,
3143 &sony_bl_props,
3144 ops, &props);
3145
3146 if (IS_ERR(sony_bl_props.dev)) {
3147 pr_warn("unable to register backlight device\n");
3148 sony_bl_props.dev = NULL;
3149 } else
3150 sony_bl_props.dev->props.brightness =
3151 ops->get_brightness(sony_bl_props.dev);
3152 }
3153
3154 static void sony_nc_backlight_cleanup(void)
3155 {
3156 backlight_device_unregister(sony_bl_props.dev);
3157 }
3158
3159 static int sony_nc_add(struct acpi_device *device)
3160 {
3161 acpi_status status;
3162 int result = 0;
3163 struct sony_nc_value *item;
3164
3165 sony_nc_acpi_device = device;
3166 strcpy(acpi_device_class(device), "sony/hotkey");
3167
3168 sony_nc_acpi_handle = device->handle;
3169
3170 /* read device status */
3171 result = acpi_bus_get_status(device);
3172 /* bail IFF the above call was successful and the device is not present */
3173 if (!result && !device->status.present) {
3174 dprintk("Device not present\n");
3175 result = -ENODEV;
3176 goto outwalk;
3177 }
3178
3179 result = sony_pf_add();
3180 if (result)
3181 goto outpresent;
3182
3183 if (debug) {
3184 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
3185 sony_nc_acpi_handle, 1, sony_walk_callback,
3186 NULL, NULL, NULL);
3187 if (ACPI_FAILURE(status)) {
3188 pr_warn("unable to walk acpi resources\n");
3189 result = -ENODEV;
3190 goto outpresent;
3191 }
3192 }
3193
3194 result = sony_laptop_setup_input(device);
3195 if (result) {
3196 pr_err("Unable to create input devices\n");
3197 goto outplatform;
3198 }
3199
3200 if (acpi_has_method(sony_nc_acpi_handle, "ECON")) {
3201 int arg = 1;
3202 if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL))
3203 dprintk("ECON Method failed\n");
3204 }
3205
3206 if (acpi_has_method(sony_nc_acpi_handle, "SN00")) {
3207 dprintk("Doing SNC setup\n");
3208 /* retrieve the available handles */
3209 result = sony_nc_handles_setup(sony_pf_device);
3210 if (!result)
3211 sony_nc_function_setup(device, sony_pf_device);
3212 }
3213
3214 if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
3215 sony_nc_backlight_setup();
3216
3217 /* create sony_pf sysfs attributes related to the SNC device */
3218 for (item = sony_nc_values; item->name; ++item) {
3219
3220 if (!debug && item->debug)
3221 continue;
3222
3223 /* find the available acpiget as described in the DSDT */
3224 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
3225 if (acpi_has_method(sony_nc_acpi_handle,
3226 *item->acpiget)) {
3227 dprintk("Found %s getter: %s\n",
3228 item->name, *item->acpiget);
3229 item->devattr.attr.mode |= S_IRUGO;
3230 break;
3231 }
3232 }
3233
3234 /* find the available acpiset as described in the DSDT */
3235 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
3236 if (acpi_has_method(sony_nc_acpi_handle,
3237 *item->acpiset)) {
3238 dprintk("Found %s setter: %s\n",
3239 item->name, *item->acpiset);
3240 item->devattr.attr.mode |= S_IWUSR;
3241 break;
3242 }
3243 }
3244
3245 if (item->devattr.attr.mode != 0) {
3246 result =
3247 device_create_file(&sony_pf_device->dev,
3248 &item->devattr);
3249 if (result)
3250 goto out_sysfs;
3251 }
3252 }
3253
3254 pr_info("SNC setup done.\n");
3255 return 0;
3256
3257 out_sysfs:
3258 for (item = sony_nc_values; item->name; ++item) {
3259 device_remove_file(&sony_pf_device->dev, &item->devattr);
3260 }
3261 sony_nc_backlight_cleanup();
3262 sony_nc_function_cleanup(sony_pf_device);
3263 sony_nc_handles_cleanup(sony_pf_device);
3264
3265 outplatform:
3266 sony_laptop_remove_input();
3267
3268 outpresent:
3269 sony_pf_remove();
3270
3271 outwalk:
3272 sony_nc_rfkill_cleanup();
3273 return result;
3274 }
3275
3276 static int sony_nc_remove(struct acpi_device *device)
3277 {
3278 struct sony_nc_value *item;
3279
3280 sony_nc_backlight_cleanup();
3281
3282 sony_nc_acpi_device = NULL;
3283
3284 for (item = sony_nc_values; item->name; ++item) {
3285 device_remove_file(&sony_pf_device->dev, &item->devattr);
3286 }
3287
3288 sony_nc_function_cleanup(sony_pf_device);
3289 sony_nc_handles_cleanup(sony_pf_device);
3290 sony_pf_remove();
3291 sony_laptop_remove_input();
3292 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
3293
3294 return 0;
3295 }
3296
3297 static const struct acpi_device_id sony_device_ids[] = {
3298 {SONY_NC_HID, 0},
3299 {SONY_PIC_HID, 0},
3300 {"", 0},
3301 };
3302 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
3303
3304 static const struct acpi_device_id sony_nc_device_ids[] = {
3305 {SONY_NC_HID, 0},
3306 {"", 0},
3307 };
3308
3309 static struct acpi_driver sony_nc_driver = {
3310 .name = SONY_NC_DRIVER_NAME,
3311 .class = SONY_NC_CLASS,
3312 .ids = sony_nc_device_ids,
3313 .owner = THIS_MODULE,
3314 .ops = {
3315 .add = sony_nc_add,
3316 .remove = sony_nc_remove,
3317 .notify = sony_nc_notify,
3318 },
3319 .drv.pm = &sony_nc_pm,
3320 };
3321
3322 /*********** SPIC (SNY6001) Device ***********/
3323
3324 #define SONYPI_DEVICE_TYPE1 0x00000001
3325 #define SONYPI_DEVICE_TYPE2 0x00000002
3326 #define SONYPI_DEVICE_TYPE3 0x00000004
3327
3328 #define SONYPI_TYPE1_OFFSET 0x04
3329 #define SONYPI_TYPE2_OFFSET 0x12
3330 #define SONYPI_TYPE3_OFFSET 0x12
3331
3332 struct sony_pic_ioport {
3333 struct acpi_resource_io io1;
3334 struct acpi_resource_io io2;
3335 struct list_head list;
3336 };
3337
3338 struct sony_pic_irq {
3339 struct acpi_resource_irq irq;
3340 struct list_head list;
3341 };
3342
3343 struct sonypi_eventtypes {
3344 u8 data;
3345 unsigned long mask;
3346 struct sonypi_event *events;
3347 };
3348
3349 struct sony_pic_dev {
3350 struct acpi_device *acpi_dev;
3351 struct sony_pic_irq *cur_irq;
3352 struct sony_pic_ioport *cur_ioport;
3353 struct list_head interrupts;
3354 struct list_head ioports;
3355 struct mutex lock;
3356 struct sonypi_eventtypes *event_types;
3357 int (*handle_irq)(const u8, const u8);
3358 int model;
3359 u16 evport_offset;
3360 u8 camera_power;
3361 u8 bluetooth_power;
3362 u8 wwan_power;
3363 };
3364
3365 static struct sony_pic_dev spic_dev = {
3366 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
3367 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
3368 };
3369
3370 static int spic_drv_registered;
3371
3372 /* Event masks */
3373 #define SONYPI_JOGGER_MASK 0x00000001
3374 #define SONYPI_CAPTURE_MASK 0x00000002
3375 #define SONYPI_FNKEY_MASK 0x00000004
3376 #define SONYPI_BLUETOOTH_MASK 0x00000008
3377 #define SONYPI_PKEY_MASK 0x00000010
3378 #define SONYPI_BACK_MASK 0x00000020
3379 #define SONYPI_HELP_MASK 0x00000040
3380 #define SONYPI_LID_MASK 0x00000080
3381 #define SONYPI_ZOOM_MASK 0x00000100
3382 #define SONYPI_THUMBPHRASE_MASK 0x00000200
3383 #define SONYPI_MEYE_MASK 0x00000400
3384 #define SONYPI_MEMORYSTICK_MASK 0x00000800
3385 #define SONYPI_BATTERY_MASK 0x00001000
3386 #define SONYPI_WIRELESS_MASK 0x00002000
3387
3388 struct sonypi_event {
3389 u8 data;
3390 u8 event;
3391 };
3392
3393 /* The set of possible button release events */
3394 static struct sonypi_event sonypi_releaseev[] = {
3395 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
3396 { 0, 0 }
3397 };
3398
3399 /* The set of possible jogger events */
3400 static struct sonypi_event sonypi_joggerev[] = {
3401 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
3402 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
3403 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
3404 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
3405 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
3406 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
3407 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
3408 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
3409 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
3410 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
3411 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
3412 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
3413 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
3414 { 0, 0 }
3415 };
3416
3417 /* The set of possible capture button events */
3418 static struct sonypi_event sonypi_captureev[] = {
3419 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
3420 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
3421 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
3422 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
3423 { 0, 0 }
3424 };
3425
3426 /* The set of possible fnkeys events */
3427 static struct sonypi_event sonypi_fnkeyev[] = {
3428 { 0x10, SONYPI_EVENT_FNKEY_ESC },
3429 { 0x11, SONYPI_EVENT_FNKEY_F1 },
3430 { 0x12, SONYPI_EVENT_FNKEY_F2 },
3431 { 0x13, SONYPI_EVENT_FNKEY_F3 },
3432 { 0x14, SONYPI_EVENT_FNKEY_F4 },
3433 { 0x15, SONYPI_EVENT_FNKEY_F5 },
3434 { 0x16, SONYPI_EVENT_FNKEY_F6 },
3435 { 0x17, SONYPI_EVENT_FNKEY_F7 },
3436 { 0x18, SONYPI_EVENT_FNKEY_F8 },
3437 { 0x19, SONYPI_EVENT_FNKEY_F9 },
3438 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
3439 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
3440 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
3441 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
3442 { 0x21, SONYPI_EVENT_FNKEY_1 },
3443 { 0x22, SONYPI_EVENT_FNKEY_2 },
3444 { 0x31, SONYPI_EVENT_FNKEY_D },
3445 { 0x32, SONYPI_EVENT_FNKEY_E },
3446 { 0x33, SONYPI_EVENT_FNKEY_F },
3447 { 0x34, SONYPI_EVENT_FNKEY_S },
3448 { 0x35, SONYPI_EVENT_FNKEY_B },
3449 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
3450 { 0, 0 }
3451 };
3452
3453 /* The set of possible program key events */
3454 static struct sonypi_event sonypi_pkeyev[] = {
3455 { 0x01, SONYPI_EVENT_PKEY_P1 },
3456 { 0x02, SONYPI_EVENT_PKEY_P2 },
3457 { 0x04, SONYPI_EVENT_PKEY_P3 },
3458 { 0x20, SONYPI_EVENT_PKEY_P1 },
3459 { 0, 0 }
3460 };
3461
3462 /* The set of possible bluetooth events */
3463 static struct sonypi_event sonypi_blueev[] = {
3464 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
3465 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
3466 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
3467 { 0, 0 }
3468 };
3469
3470 /* The set of possible wireless events */
3471 static struct sonypi_event sonypi_wlessev[] = {
3472 { 0x59, SONYPI_EVENT_IGNORE },
3473 { 0x5a, SONYPI_EVENT_IGNORE },
3474 { 0, 0 }
3475 };
3476
3477 /* The set of possible back button events */
3478 static struct sonypi_event sonypi_backev[] = {
3479 { 0x20, SONYPI_EVENT_BACK_PRESSED },
3480 { 0, 0 }
3481 };
3482
3483 /* The set of possible help button events */
3484 static struct sonypi_event sonypi_helpev[] = {
3485 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
3486 { 0, 0 }
3487 };
3488
3489
3490 /* The set of possible lid events */
3491 static struct sonypi_event sonypi_lidev[] = {
3492 { 0x51, SONYPI_EVENT_LID_CLOSED },
3493 { 0x50, SONYPI_EVENT_LID_OPENED },
3494 { 0, 0 }
3495 };
3496
3497 /* The set of possible zoom events */
3498 static struct sonypi_event sonypi_zoomev[] = {
3499 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
3500 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
3501 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
3502 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
3503 { 0, 0 }
3504 };
3505
3506 /* The set of possible thumbphrase events */
3507 static struct sonypi_event sonypi_thumbphraseev[] = {
3508 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
3509 { 0, 0 }
3510 };
3511
3512 /* The set of possible motioneye camera events */
3513 static struct sonypi_event sonypi_meyeev[] = {
3514 { 0x00, SONYPI_EVENT_MEYE_FACE },
3515 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
3516 { 0, 0 }
3517 };
3518
3519 /* The set of possible memorystick events */
3520 static struct sonypi_event sonypi_memorystickev[] = {
3521 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
3522 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
3523 { 0, 0 }
3524 };
3525
3526 /* The set of possible battery events */
3527 static struct sonypi_event sonypi_batteryev[] = {
3528 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
3529 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
3530 { 0, 0 }
3531 };
3532
3533 /* The set of possible volume events */
3534 static struct sonypi_event sonypi_volumeev[] = {
3535 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
3536 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
3537 { 0, 0 }
3538 };
3539
3540 /* The set of possible brightness events */
3541 static struct sonypi_event sonypi_brightnessev[] = {
3542 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
3543 { 0, 0 }
3544 };
3545
3546 static struct sonypi_eventtypes type1_events[] = {
3547 { 0, 0xffffffff, sonypi_releaseev },
3548 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
3549 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
3550 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
3551 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
3552 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3553 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3554 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
3555 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3556 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
3557 { 0 },
3558 };
3559 static struct sonypi_eventtypes type2_events[] = {
3560 { 0, 0xffffffff, sonypi_releaseev },
3561 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
3562 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
3563 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
3564 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3565 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
3566 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
3567 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
3568 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
3569 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
3570 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
3571 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3572 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3573 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3574 { 0 },
3575 };
3576 static struct sonypi_eventtypes type3_events[] = {
3577 { 0, 0xffffffff, sonypi_releaseev },
3578 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
3579 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
3580 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
3581 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
3582 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
3583 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
3584 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
3585 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
3586 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
3587 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
3588 { 0 },
3589 };
3590
3591 /* low level spic calls */
3592 #define ITERATIONS_LONG 10000
3593 #define ITERATIONS_SHORT 10
3594 #define wait_on_command(command, iterations) { \
3595 unsigned int n = iterations; \
3596 while (--n && (command)) \
3597 udelay(1); \
3598 if (!n) \
3599 dprintk("command failed at %s : %s (line %d)\n", \
3600 __FILE__, __func__, __LINE__); \
3601 }
3602
3603 static u8 sony_pic_call1(u8 dev)
3604 {
3605 u8 v1, v2;
3606
3607 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3608 ITERATIONS_LONG);
3609 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3610 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
3611 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
3612 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
3613 return v2;
3614 }
3615
3616 static u8 sony_pic_call2(u8 dev, u8 fn)
3617 {
3618 u8 v1;
3619
3620 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3621 ITERATIONS_LONG);
3622 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3623 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
3624 ITERATIONS_LONG);
3625 outb(fn, spic_dev.cur_ioport->io1.minimum);
3626 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3627 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
3628 return v1;
3629 }
3630
3631 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
3632 {
3633 u8 v1;
3634
3635 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3636 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
3637 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3638 outb(fn, spic_dev.cur_ioport->io1.minimum);
3639 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
3640 outb(v, spic_dev.cur_ioport->io1.minimum);
3641 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
3642 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
3643 dev, fn, v, v1);
3644 return v1;
3645 }
3646
3647 /*
3648 * minidrivers for SPIC models
3649 */
3650 static int type3_handle_irq(const u8 data_mask, const u8 ev)
3651 {
3652 /*
3653 * 0x31 could mean we have to take some extra action and wait for
3654 * the next irq for some Type3 models, it will generate a new
3655 * irq and we can read new data from the device:
3656 * - 0x5c and 0x5f requires 0xA0
3657 * - 0x61 requires 0xB3
3658 */
3659 if (data_mask == 0x31) {
3660 if (ev == 0x5c || ev == 0x5f)
3661 sony_pic_call1(0xA0);
3662 else if (ev == 0x61)
3663 sony_pic_call1(0xB3);
3664 return 0;
3665 }
3666 return 1;
3667 }
3668
3669 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
3670 {
3671 struct pci_dev *pcidev;
3672
3673 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3674 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
3675 if (pcidev) {
3676 dev->model = SONYPI_DEVICE_TYPE1;
3677 dev->evport_offset = SONYPI_TYPE1_OFFSET;
3678 dev->event_types = type1_events;
3679 goto out;
3680 }
3681
3682 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3683 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
3684 if (pcidev) {
3685 dev->model = SONYPI_DEVICE_TYPE2;
3686 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3687 dev->event_types = type2_events;
3688 goto out;
3689 }
3690
3691 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3692 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
3693 if (pcidev) {
3694 dev->model = SONYPI_DEVICE_TYPE3;
3695 dev->handle_irq = type3_handle_irq;
3696 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3697 dev->event_types = type3_events;
3698 goto out;
3699 }
3700
3701 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3702 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
3703 if (pcidev) {
3704 dev->model = SONYPI_DEVICE_TYPE3;
3705 dev->handle_irq = type3_handle_irq;
3706 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3707 dev->event_types = type3_events;
3708 goto out;
3709 }
3710
3711 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
3712 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
3713 if (pcidev) {
3714 dev->model = SONYPI_DEVICE_TYPE3;
3715 dev->handle_irq = type3_handle_irq;
3716 dev->evport_offset = SONYPI_TYPE3_OFFSET;
3717 dev->event_types = type3_events;
3718 goto out;
3719 }
3720
3721 /* default */
3722 dev->model = SONYPI_DEVICE_TYPE2;
3723 dev->evport_offset = SONYPI_TYPE2_OFFSET;
3724 dev->event_types = type2_events;
3725
3726 out:
3727 pci_dev_put(pcidev);
3728
3729 pr_info("detected Type%d model\n",
3730 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
3731 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
3732 }
3733
3734 /* camera tests and poweron/poweroff */
3735 #define SONYPI_CAMERA_PICTURE 5
3736 #define SONYPI_CAMERA_CONTROL 0x10
3737
3738 #define SONYPI_CAMERA_BRIGHTNESS 0
3739 #define SONYPI_CAMERA_CONTRAST 1
3740 #define SONYPI_CAMERA_HUE 2
3741 #define SONYPI_CAMERA_COLOR 3
3742 #define SONYPI_CAMERA_SHARPNESS 4
3743
3744 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
3745 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
3746 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
3747 #define SONYPI_CAMERA_MUTE_MASK 0x40
3748
3749 /* the rest don't need a loop until not 0xff */
3750 #define SONYPI_CAMERA_AGC 6
3751 #define SONYPI_CAMERA_AGC_MASK 0x30
3752 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
3753
3754 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
3755 #define SONYPI_CAMERA_CONTROL 0x10
3756
3757 #define SONYPI_CAMERA_STATUS 7
3758 #define SONYPI_CAMERA_STATUS_READY 0x2
3759 #define SONYPI_CAMERA_STATUS_POSITION 0x4
3760
3761 #define SONYPI_DIRECTION_BACKWARDS 0x4
3762
3763 #define SONYPI_CAMERA_REVISION 8
3764 #define SONYPI_CAMERA_ROMVERSION 9
3765
3766 static int __sony_pic_camera_ready(void)
3767 {
3768 u8 v;
3769
3770 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
3771 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
3772 }
3773
3774 static int __sony_pic_camera_off(void)
3775 {
3776 if (!camera) {
3777 pr_warn("camera control not enabled\n");
3778 return -ENODEV;
3779 }
3780
3781 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
3782 SONYPI_CAMERA_MUTE_MASK),
3783 ITERATIONS_SHORT);
3784
3785 if (spic_dev.camera_power) {
3786 sony_pic_call2(0x91, 0);
3787 spic_dev.camera_power = 0;
3788 }
3789 return 0;
3790 }
3791
3792 static int __sony_pic_camera_on(void)
3793 {
3794 int i, j, x;
3795
3796 if (!camera) {
3797 pr_warn("camera control not enabled\n");
3798 return -ENODEV;
3799 }
3800
3801 if (spic_dev.camera_power)
3802 return 0;
3803
3804 for (j = 5; j > 0; j--) {
3805
3806 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
3807 msleep(10);
3808 sony_pic_call1(0x93);
3809
3810 for (i = 400; i > 0; i--) {
3811 if (__sony_pic_camera_ready())
3812 break;
3813 msleep(10);
3814 }
3815 if (i)
3816 break;
3817 }
3818
3819 if (j == 0) {
3820 pr_warn("failed to power on camera\n");
3821 return -ENODEV;
3822 }
3823
3824 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
3825 0x5a),
3826 ITERATIONS_SHORT);
3827
3828 spic_dev.camera_power = 1;
3829 return 0;
3830 }
3831
3832 /* External camera command (exported to the motion eye v4l driver) */
3833 int sony_pic_camera_command(int command, u8 value)
3834 {
3835 if (!camera)
3836 return -EIO;
3837
3838 mutex_lock(&spic_dev.lock);
3839
3840 switch (command) {
3841 case SONY_PIC_COMMAND_SETCAMERA:
3842 if (value)
3843 __sony_pic_camera_on();
3844 else
3845 __sony_pic_camera_off();
3846 break;
3847 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
3848 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
3849 ITERATIONS_SHORT);
3850 break;
3851 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
3852 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
3853 ITERATIONS_SHORT);
3854 break;
3855 case SONY_PIC_COMMAND_SETCAMERAHUE:
3856 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
3857 ITERATIONS_SHORT);
3858 break;
3859 case SONY_PIC_COMMAND_SETCAMERACOLOR:
3860 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
3861 ITERATIONS_SHORT);
3862 break;
3863 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
3864 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
3865 ITERATIONS_SHORT);
3866 break;
3867 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
3868 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
3869 ITERATIONS_SHORT);
3870 break;
3871 case SONY_PIC_COMMAND_SETCAMERAAGC:
3872 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
3873 ITERATIONS_SHORT);
3874 break;
3875 default:
3876 pr_err("sony_pic_camera_command invalid: %d\n", command);
3877 break;
3878 }
3879 mutex_unlock(&spic_dev.lock);
3880 return 0;
3881 }
3882 EXPORT_SYMBOL(sony_pic_camera_command);
3883
3884 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
3885 static void __sony_pic_set_wwanpower(u8 state)
3886 {
3887 state = !!state;
3888 if (spic_dev.wwan_power == state)
3889 return;
3890 sony_pic_call2(0xB0, state);
3891 sony_pic_call1(0x82);
3892 spic_dev.wwan_power = state;
3893 }
3894
3895 static ssize_t sony_pic_wwanpower_store(struct device *dev,
3896 struct device_attribute *attr,
3897 const char *buffer, size_t count)
3898 {
3899 unsigned long value;
3900 if (count > 31)
3901 return -EINVAL;
3902
3903 if (kstrtoul(buffer, 10, &value))
3904 return -EINVAL;
3905
3906 mutex_lock(&spic_dev.lock);
3907 __sony_pic_set_wwanpower(value);
3908 mutex_unlock(&spic_dev.lock);
3909
3910 return count;
3911 }
3912
3913 static ssize_t sony_pic_wwanpower_show(struct device *dev,
3914 struct device_attribute *attr, char *buffer)
3915 {
3916 ssize_t count;
3917 mutex_lock(&spic_dev.lock);
3918 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
3919 mutex_unlock(&spic_dev.lock);
3920 return count;
3921 }
3922
3923 /* bluetooth subsystem power state */
3924 static void __sony_pic_set_bluetoothpower(u8 state)
3925 {
3926 state = !!state;
3927 if (spic_dev.bluetooth_power == state)
3928 return;
3929 sony_pic_call2(0x96, state);
3930 sony_pic_call1(0x82);
3931 spic_dev.bluetooth_power = state;
3932 }
3933
3934 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
3935 struct device_attribute *attr,
3936 const char *buffer, size_t count)
3937 {
3938 unsigned long value;
3939 if (count > 31)
3940 return -EINVAL;
3941
3942 if (kstrtoul(buffer, 10, &value))
3943 return -EINVAL;
3944
3945 mutex_lock(&spic_dev.lock);
3946 __sony_pic_set_bluetoothpower(value);
3947 mutex_unlock(&spic_dev.lock);
3948
3949 return count;
3950 }
3951
3952 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
3953 struct device_attribute *attr, char *buffer)
3954 {
3955 ssize_t count = 0;
3956 mutex_lock(&spic_dev.lock);
3957 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
3958 mutex_unlock(&spic_dev.lock);
3959 return count;
3960 }
3961
3962 /* fan speed */
3963 /* FAN0 information (reverse engineered from ACPI tables) */
3964 #define SONY_PIC_FAN0_STATUS 0x93
3965 static int sony_pic_set_fanspeed(unsigned long value)
3966 {
3967 return ec_write(SONY_PIC_FAN0_STATUS, value);
3968 }
3969
3970 static int sony_pic_get_fanspeed(u8 *value)
3971 {
3972 return ec_read(SONY_PIC_FAN0_STATUS, value);
3973 }
3974
3975 static ssize_t sony_pic_fanspeed_store(struct device *dev,
3976 struct device_attribute *attr,
3977 const char *buffer, size_t count)
3978 {
3979 unsigned long value;
3980 if (count > 31)
3981 return -EINVAL;
3982
3983 if (kstrtoul(buffer, 10, &value))
3984 return -EINVAL;
3985
3986 if (sony_pic_set_fanspeed(value))
3987 return -EIO;
3988
3989 return count;
3990 }
3991
3992 static ssize_t sony_pic_fanspeed_show(struct device *dev,
3993 struct device_attribute *attr, char *buffer)
3994 {
3995 u8 value = 0;
3996 if (sony_pic_get_fanspeed(&value))
3997 return -EIO;
3998
3999 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
4000 }
4001
4002 #define SPIC_ATTR(_name, _mode) \
4003 struct device_attribute spic_attr_##_name = __ATTR(_name, \
4004 _mode, sony_pic_## _name ##_show, \
4005 sony_pic_## _name ##_store)
4006
4007 static SPIC_ATTR(bluetoothpower, 0644);
4008 static SPIC_ATTR(wwanpower, 0644);
4009 static SPIC_ATTR(fanspeed, 0644);
4010
4011 static struct attribute *spic_attributes[] = {
4012 &spic_attr_bluetoothpower.attr,
4013 &spic_attr_wwanpower.attr,
4014 &spic_attr_fanspeed.attr,
4015 NULL
4016 };
4017
4018 static const struct attribute_group spic_attribute_group = {
4019 .attrs = spic_attributes
4020 };
4021
4022 /******** SONYPI compatibility **********/
4023 #ifdef CONFIG_SONYPI_COMPAT
4024
4025 /* battery / brightness / temperature addresses */
4026 #define SONYPI_BAT_FLAGS 0x81
4027 #define SONYPI_LCD_LIGHT 0x96
4028 #define SONYPI_BAT1_PCTRM 0xa0
4029 #define SONYPI_BAT1_LEFT 0xa2
4030 #define SONYPI_BAT1_MAXRT 0xa4
4031 #define SONYPI_BAT2_PCTRM 0xa8
4032 #define SONYPI_BAT2_LEFT 0xaa
4033 #define SONYPI_BAT2_MAXRT 0xac
4034 #define SONYPI_BAT1_MAXTK 0xb0
4035 #define SONYPI_BAT1_FULL 0xb2
4036 #define SONYPI_BAT2_MAXTK 0xb8
4037 #define SONYPI_BAT2_FULL 0xba
4038 #define SONYPI_TEMP_STATUS 0xC1
4039
4040 struct sonypi_compat_s {
4041 struct fasync_struct *fifo_async;
4042 struct kfifo fifo;
4043 spinlock_t fifo_lock;
4044 wait_queue_head_t fifo_proc_list;
4045 atomic_t open_count;
4046 };
4047 static struct sonypi_compat_s sonypi_compat = {
4048 .open_count = ATOMIC_INIT(0),
4049 };
4050
4051 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
4052 {
4053 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
4054 }
4055
4056 static int sonypi_misc_release(struct inode *inode, struct file *file)
4057 {
4058 atomic_dec(&sonypi_compat.open_count);
4059 return 0;
4060 }
4061
4062 static int sonypi_misc_open(struct inode *inode, struct file *file)
4063 {
4064 /* Flush input queue on first open */
4065 unsigned long flags;
4066
4067 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
4068
4069 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
4070 kfifo_reset(&sonypi_compat.fifo);
4071
4072 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
4073
4074 return 0;
4075 }
4076
4077 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
4078 size_t count, loff_t *pos)
4079 {
4080 ssize_t ret;
4081 unsigned char c;
4082
4083 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
4084 (file->f_flags & O_NONBLOCK))
4085 return -EAGAIN;
4086
4087 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
4088 kfifo_len(&sonypi_compat.fifo) != 0);
4089 if (ret)
4090 return ret;
4091
4092 while (ret < count &&
4093 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
4094 &sonypi_compat.fifo_lock) == sizeof(c))) {
4095 if (put_user(c, buf++))
4096 return -EFAULT;
4097 ret++;
4098 }
4099
4100 if (ret > 0) {
4101 struct inode *inode = file_inode(file);
4102 inode->i_atime = current_time(inode);
4103 }
4104
4105 return ret;
4106 }
4107
4108 static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
4109 {
4110 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
4111 if (kfifo_len(&sonypi_compat.fifo))
4112 return EPOLLIN | EPOLLRDNORM;
4113 return 0;
4114 }
4115
4116 static int ec_read16(u8 addr, u16 *value)
4117 {
4118 u8 val_lb, val_hb;
4119 if (ec_read(addr, &val_lb))
4120 return -1;
4121 if (ec_read(addr + 1, &val_hb))
4122 return -1;
4123 *value = val_lb | (val_hb << 8);
4124 return 0;
4125 }
4126
4127 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
4128 unsigned long arg)
4129 {
4130 int ret = 0;
4131 void __user *argp = (void __user *)arg;
4132 u8 val8;
4133 u16 val16;
4134 int value;
4135
4136 mutex_lock(&spic_dev.lock);
4137 switch (cmd) {
4138 case SONYPI_IOCGBRT:
4139 if (sony_bl_props.dev == NULL) {
4140 ret = -EIO;
4141 break;
4142 }
4143 if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL,
4144 &value)) {
4145 ret = -EIO;
4146 break;
4147 }
4148 val8 = ((value & 0xff) - 1) << 5;
4149 if (copy_to_user(argp, &val8, sizeof(val8)))
4150 ret = -EFAULT;
4151 break;
4152 case SONYPI_IOCSBRT:
4153 if (sony_bl_props.dev == NULL) {
4154 ret = -EIO;
4155 break;
4156 }
4157 if (copy_from_user(&val8, argp, sizeof(val8))) {
4158 ret = -EFAULT;
4159 break;
4160 }
4161 value = (val8 >> 5) + 1;
4162 if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value,
4163 NULL)) {
4164 ret = -EIO;
4165 break;
4166 }
4167 /* sync the backlight device status */
4168 sony_bl_props.dev->props.brightness =
4169 sony_backlight_get_brightness(sony_bl_props.dev);
4170 break;
4171 case SONYPI_IOCGBAT1CAP:
4172 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
4173 ret = -EIO;
4174 break;
4175 }
4176 if (copy_to_user(argp, &val16, sizeof(val16)))
4177 ret = -EFAULT;
4178 break;
4179 case SONYPI_IOCGBAT1REM:
4180 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
4181 ret = -EIO;
4182 break;
4183 }
4184 if (copy_to_user(argp, &val16, sizeof(val16)))
4185 ret = -EFAULT;
4186 break;
4187 case SONYPI_IOCGBAT2CAP:
4188 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
4189 ret = -EIO;
4190 break;
4191 }
4192 if (copy_to_user(argp, &val16, sizeof(val16)))
4193 ret = -EFAULT;
4194 break;
4195 case SONYPI_IOCGBAT2REM:
4196 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
4197 ret = -EIO;
4198 break;
4199 }
4200 if (copy_to_user(argp, &val16, sizeof(val16)))
4201 ret = -EFAULT;
4202 break;
4203 case SONYPI_IOCGBATFLAGS:
4204 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
4205 ret = -EIO;
4206 break;
4207 }
4208 val8 &= 0x07;
4209 if (copy_to_user(argp, &val8, sizeof(val8)))
4210 ret = -EFAULT;
4211 break;
4212 case SONYPI_IOCGBLUE:
4213 val8 = spic_dev.bluetooth_power;
4214 if (copy_to_user(argp, &val8, sizeof(val8)))
4215 ret = -EFAULT;
4216 break;
4217 case SONYPI_IOCSBLUE:
4218 if (copy_from_user(&val8, argp, sizeof(val8))) {
4219 ret = -EFAULT;
4220 break;
4221 }
4222 __sony_pic_set_bluetoothpower(val8);
4223 break;
4224 /* FAN Controls */
4225 case SONYPI_IOCGFAN:
4226 if (sony_pic_get_fanspeed(&val8)) {
4227 ret = -EIO;
4228 break;
4229 }
4230 if (copy_to_user(argp, &val8, sizeof(val8)))
4231 ret = -EFAULT;
4232 break;
4233 case SONYPI_IOCSFAN:
4234 if (copy_from_user(&val8, argp, sizeof(val8))) {
4235 ret = -EFAULT;
4236 break;
4237 }
4238 if (sony_pic_set_fanspeed(val8))
4239 ret = -EIO;
4240 break;
4241 /* GET Temperature (useful under APM) */
4242 case SONYPI_IOCGTEMP:
4243 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
4244 ret = -EIO;
4245 break;
4246 }
4247 if (copy_to_user(argp, &val8, sizeof(val8)))
4248 ret = -EFAULT;
4249 break;
4250 default:
4251 ret = -EINVAL;
4252 }
4253 mutex_unlock(&spic_dev.lock);
4254 return ret;
4255 }
4256
4257 static const struct file_operations sonypi_misc_fops = {
4258 .owner = THIS_MODULE,
4259 .read = sonypi_misc_read,
4260 .poll = sonypi_misc_poll,
4261 .open = sonypi_misc_open,
4262 .release = sonypi_misc_release,
4263 .fasync = sonypi_misc_fasync,
4264 .unlocked_ioctl = sonypi_misc_ioctl,
4265 .llseek = noop_llseek,
4266 };
4267
4268 static struct miscdevice sonypi_misc_device = {
4269 .minor = MISC_DYNAMIC_MINOR,
4270 .name = "sonypi",
4271 .fops = &sonypi_misc_fops,
4272 };
4273
4274 static void sonypi_compat_report_event(u8 event)
4275 {
4276 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
4277 sizeof(event), &sonypi_compat.fifo_lock);
4278 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
4279 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
4280 }
4281
4282 static int sonypi_compat_init(void)
4283 {
4284 int error;
4285
4286 spin_lock_init(&sonypi_compat.fifo_lock);
4287 error =
4288 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
4289 if (error) {
4290 pr_err("kfifo_alloc failed\n");
4291 return error;
4292 }
4293
4294 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
4295
4296 if (minor != -1)
4297 sonypi_misc_device.minor = minor;
4298 error = misc_register(&sonypi_misc_device);
4299 if (error) {
4300 pr_err("misc_register failed\n");
4301 goto err_free_kfifo;
4302 }
4303 if (minor == -1)
4304 pr_info("device allocated minor is %d\n",
4305 sonypi_misc_device.minor);
4306
4307 return 0;
4308
4309 err_free_kfifo:
4310 kfifo_free(&sonypi_compat.fifo);
4311 return error;
4312 }
4313
4314 static void sonypi_compat_exit(void)
4315 {
4316 misc_deregister(&sonypi_misc_device);
4317 kfifo_free(&sonypi_compat.fifo);
4318 }
4319 #else
4320 static int sonypi_compat_init(void) { return 0; }
4321 static void sonypi_compat_exit(void) { }
4322 static void sonypi_compat_report_event(u8 event) { }
4323 #endif /* CONFIG_SONYPI_COMPAT */
4324
4325 /*
4326 * ACPI callbacks
4327 */
4328 static acpi_status
4329 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
4330 {
4331 u32 i;
4332 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
4333
4334 switch (resource->type) {
4335 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
4336 {
4337 /* start IO enumeration */
4338 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
4339 if (!ioport)
4340 return AE_ERROR;
4341
4342 list_add(&ioport->list, &dev->ioports);
4343 return AE_OK;
4344 }
4345
4346 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
4347 /* end IO enumeration */
4348 return AE_OK;
4349
4350 case ACPI_RESOURCE_TYPE_IRQ:
4351 {
4352 struct acpi_resource_irq *p = &resource->data.irq;
4353 struct sony_pic_irq *interrupt = NULL;
4354 if (!p || !p->interrupt_count) {
4355 /*
4356 * IRQ descriptors may have no IRQ# bits set,
4357 * particularly those those w/ _STA disabled
4358 */
4359 dprintk("Blank IRQ resource\n");
4360 return AE_OK;
4361 }
4362 for (i = 0; i < p->interrupt_count; i++) {
4363 if (!p->interrupts[i]) {
4364 pr_warn("Invalid IRQ %d\n",
4365 p->interrupts[i]);
4366 continue;
4367 }
4368 interrupt = kzalloc(sizeof(*interrupt),
4369 GFP_KERNEL);
4370 if (!interrupt)
4371 return AE_ERROR;
4372
4373 list_add(&interrupt->list, &dev->interrupts);
4374 interrupt->irq.triggering = p->triggering;
4375 interrupt->irq.polarity = p->polarity;
4376 interrupt->irq.shareable = p->shareable;
4377 interrupt->irq.interrupt_count = 1;
4378 interrupt->irq.interrupts[0] = p->interrupts[i];
4379 }
4380 return AE_OK;
4381 }
4382 case ACPI_RESOURCE_TYPE_IO:
4383 {
4384 struct acpi_resource_io *io = &resource->data.io;
4385 struct sony_pic_ioport *ioport =
4386 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
4387 if (!io) {
4388 dprintk("Blank IO resource\n");
4389 return AE_OK;
4390 }
4391
4392 if (!ioport->io1.minimum) {
4393 memcpy(&ioport->io1, io, sizeof(*io));
4394 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
4395 ioport->io1.address_length);
4396 }
4397 else if (!ioport->io2.minimum) {
4398 memcpy(&ioport->io2, io, sizeof(*io));
4399 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
4400 ioport->io2.address_length);
4401 }
4402 else {
4403 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
4404 return AE_ERROR;
4405 }
4406 return AE_OK;
4407 }
4408
4409 case ACPI_RESOURCE_TYPE_END_TAG:
4410 return AE_OK;
4411
4412 default:
4413 dprintk("Resource %d isn't an IRQ nor an IO port\n",
4414 resource->type);
4415 return AE_CTRL_TERMINATE;
4416
4417 }
4418 }
4419
4420 static int sony_pic_possible_resources(struct acpi_device *device)
4421 {
4422 int result = 0;
4423 acpi_status status = AE_OK;
4424
4425 if (!device)
4426 return -EINVAL;
4427
4428 /* get device status */
4429 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
4430 dprintk("Evaluating _STA\n");
4431 result = acpi_bus_get_status(device);
4432 if (result) {
4433 pr_warn("Unable to read status\n");
4434 goto end;
4435 }
4436
4437 if (!device->status.enabled)
4438 dprintk("Device disabled\n");
4439 else
4440 dprintk("Device enabled\n");
4441
4442 /*
4443 * Query and parse 'method'
4444 */
4445 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
4446 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
4447 sony_pic_read_possible_resource, &spic_dev);
4448 if (ACPI_FAILURE(status)) {
4449 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
4450 result = -ENODEV;
4451 }
4452 end:
4453 return result;
4454 }
4455
4456 /*
4457 * Disable the spic device by calling its _DIS method
4458 */
4459 static int sony_pic_disable(struct acpi_device *device)
4460 {
4461 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
4462 NULL);
4463
4464 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
4465 return -ENXIO;
4466
4467 dprintk("Device disabled\n");
4468 return 0;
4469 }
4470
4471
4472 /*
4473 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
4474 *
4475 * Call _SRS to set current resources
4476 */
4477 static int sony_pic_enable(struct acpi_device *device,
4478 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
4479 {
4480 acpi_status status;
4481 int result = 0;
4482 /* Type 1 resource layout is:
4483 * IO
4484 * IO
4485 * IRQNoFlags
4486 * End
4487 *
4488 * Type 2 and 3 resource layout is:
4489 * IO
4490 * IRQNoFlags
4491 * End
4492 */
4493 struct {
4494 struct acpi_resource res1;
4495 struct acpi_resource res2;
4496 struct acpi_resource res3;
4497 struct acpi_resource res4;
4498 } *resource;
4499 struct acpi_buffer buffer = { 0, NULL };
4500
4501 if (!ioport || !irq)
4502 return -EINVAL;
4503
4504 /* init acpi_buffer */
4505 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
4506 if (!resource)
4507 return -ENOMEM;
4508
4509 buffer.length = sizeof(*resource) + 1;
4510 buffer.pointer = resource;
4511
4512 /* setup Type 1 resources */
4513 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
4514
4515 /* setup io resources */
4516 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4517 resource->res1.length = sizeof(struct acpi_resource);
4518 memcpy(&resource->res1.data.io, &ioport->io1,
4519 sizeof(struct acpi_resource_io));
4520
4521 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
4522 resource->res2.length = sizeof(struct acpi_resource);
4523 memcpy(&resource->res2.data.io, &ioport->io2,
4524 sizeof(struct acpi_resource_io));
4525
4526 /* setup irq resource */
4527 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
4528 resource->res3.length = sizeof(struct acpi_resource);
4529 memcpy(&resource->res3.data.irq, &irq->irq,
4530 sizeof(struct acpi_resource_irq));
4531 /* we requested a shared irq */
4532 resource->res3.data.irq.shareable = ACPI_SHARED;
4533
4534 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
4535 resource->res4.length = sizeof(struct acpi_resource);
4536 }
4537 /* setup Type 2/3 resources */
4538 else {
4539 /* setup io resource */
4540 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
4541 resource->res1.length = sizeof(struct acpi_resource);
4542 memcpy(&resource->res1.data.io, &ioport->io1,
4543 sizeof(struct acpi_resource_io));
4544
4545 /* setup irq resource */
4546 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
4547 resource->res2.length = sizeof(struct acpi_resource);
4548 memcpy(&resource->res2.data.irq, &irq->irq,
4549 sizeof(struct acpi_resource_irq));
4550 /* we requested a shared irq */
4551 resource->res2.data.irq.shareable = ACPI_SHARED;
4552
4553 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
4554 resource->res3.length = sizeof(struct acpi_resource);
4555 }
4556
4557 /* Attempt to set the resource */
4558 dprintk("Evaluating _SRS\n");
4559 status = acpi_set_current_resources(device->handle, &buffer);
4560
4561 /* check for total failure */
4562 if (ACPI_FAILURE(status)) {
4563 pr_err("Error evaluating _SRS\n");
4564 result = -ENODEV;
4565 goto end;
4566 }
4567
4568 /* Necessary device initializations calls (from sonypi) */
4569 sony_pic_call1(0x82);
4570 sony_pic_call2(0x81, 0xff);
4571 sony_pic_call1(compat ? 0x92 : 0x82);
4572
4573 end:
4574 kfree(resource);
4575 return result;
4576 }
4577
4578 /*****************
4579 *
4580 * ISR: some event is available
4581 *
4582 *****************/
4583 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
4584 {
4585 int i, j;
4586 u8 ev = 0;
4587 u8 data_mask = 0;
4588 u8 device_event = 0;
4589
4590 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
4591
4592 ev = inb_p(dev->cur_ioport->io1.minimum);
4593 if (dev->cur_ioport->io2.minimum)
4594 data_mask = inb_p(dev->cur_ioport->io2.minimum);
4595 else
4596 data_mask = inb_p(dev->cur_ioport->io1.minimum +
4597 dev->evport_offset);
4598
4599 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4600 ev, data_mask, dev->cur_ioport->io1.minimum,
4601 dev->evport_offset);
4602
4603 if (ev == 0x00 || ev == 0xff)
4604 return IRQ_HANDLED;
4605
4606 for (i = 0; dev->event_types[i].mask; i++) {
4607
4608 if ((data_mask & dev->event_types[i].data) !=
4609 dev->event_types[i].data)
4610 continue;
4611
4612 if (!(mask & dev->event_types[i].mask))
4613 continue;
4614
4615 for (j = 0; dev->event_types[i].events[j].event; j++) {
4616 if (ev == dev->event_types[i].events[j].data) {
4617 device_event =
4618 dev->event_types[i].events[j].event;
4619 /* some events may require ignoring */
4620 if (!device_event)
4621 return IRQ_HANDLED;
4622 goto found;
4623 }
4624 }
4625 }
4626 /* Still not able to decode the event try to pass
4627 * it over to the minidriver
4628 */
4629 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
4630 return IRQ_HANDLED;
4631
4632 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
4633 ev, data_mask, dev->cur_ioport->io1.minimum,
4634 dev->evport_offset);
4635 return IRQ_HANDLED;
4636
4637 found:
4638 sony_laptop_report_input_event(device_event);
4639 sonypi_compat_report_event(device_event);
4640 return IRQ_HANDLED;
4641 }
4642
4643 /*****************
4644 *
4645 * ACPI driver
4646 *
4647 *****************/
4648 static int sony_pic_remove(struct acpi_device *device)
4649 {
4650 struct sony_pic_ioport *io, *tmp_io;
4651 struct sony_pic_irq *irq, *tmp_irq;
4652
4653 if (sony_pic_disable(device)) {
4654 pr_err("Couldn't disable device\n");
4655 return -ENXIO;
4656 }
4657
4658 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4659 release_region(spic_dev.cur_ioport->io1.minimum,
4660 spic_dev.cur_ioport->io1.address_length);
4661 if (spic_dev.cur_ioport->io2.minimum)
4662 release_region(spic_dev.cur_ioport->io2.minimum,
4663 spic_dev.cur_ioport->io2.address_length);
4664
4665 sonypi_compat_exit();
4666
4667 sony_laptop_remove_input();
4668
4669 /* pf attrs */
4670 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4671 sony_pf_remove();
4672
4673 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4674 list_del(&io->list);
4675 kfree(io);
4676 }
4677 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4678 list_del(&irq->list);
4679 kfree(irq);
4680 }
4681 spic_dev.cur_ioport = NULL;
4682 spic_dev.cur_irq = NULL;
4683
4684 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
4685 return 0;
4686 }
4687
4688 static int sony_pic_add(struct acpi_device *device)
4689 {
4690 int result;
4691 struct sony_pic_ioport *io, *tmp_io;
4692 struct sony_pic_irq *irq, *tmp_irq;
4693
4694 spic_dev.acpi_dev = device;
4695 strcpy(acpi_device_class(device), "sony/hotkey");
4696 sony_pic_detect_device_type(&spic_dev);
4697 mutex_init(&spic_dev.lock);
4698
4699 /* read _PRS resources */
4700 result = sony_pic_possible_resources(device);
4701 if (result) {
4702 pr_err("Unable to read possible resources\n");
4703 goto err_free_resources;
4704 }
4705
4706 /* setup input devices and helper fifo */
4707 result = sony_laptop_setup_input(device);
4708 if (result) {
4709 pr_err("Unable to create input devices\n");
4710 goto err_free_resources;
4711 }
4712
4713 result = sonypi_compat_init();
4714 if (result)
4715 goto err_remove_input;
4716
4717 /* request io port */
4718 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
4719 if (request_region(io->io1.minimum, io->io1.address_length,
4720 "Sony Programmable I/O Device")) {
4721 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
4722 io->io1.minimum, io->io1.maximum,
4723 io->io1.address_length);
4724 /* Type 1 have 2 ioports */
4725 if (io->io2.minimum) {
4726 if (request_region(io->io2.minimum,
4727 io->io2.address_length,
4728 "Sony Programmable I/O Device")) {
4729 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
4730 io->io2.minimum, io->io2.maximum,
4731 io->io2.address_length);
4732 spic_dev.cur_ioport = io;
4733 break;
4734 }
4735 else {
4736 dprintk("Unable to get I/O port2: "
4737 "0x%.4x (0x%.4x) + 0x%.2x\n",
4738 io->io2.minimum, io->io2.maximum,
4739 io->io2.address_length);
4740 release_region(io->io1.minimum,
4741 io->io1.address_length);
4742 }
4743 }
4744 else {
4745 spic_dev.cur_ioport = io;
4746 break;
4747 }
4748 }
4749 }
4750 if (!spic_dev.cur_ioport) {
4751 pr_err("Failed to request_region\n");
4752 result = -ENODEV;
4753 goto err_remove_compat;
4754 }
4755
4756 /* request IRQ */
4757 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
4758 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
4759 0, "sony-laptop", &spic_dev)) {
4760 dprintk("IRQ: %d - triggering: %d - "
4761 "polarity: %d - shr: %d\n",
4762 irq->irq.interrupts[0],
4763 irq->irq.triggering,
4764 irq->irq.polarity,
4765 irq->irq.shareable);
4766 spic_dev.cur_irq = irq;
4767 break;
4768 }
4769 }
4770 if (!spic_dev.cur_irq) {
4771 pr_err("Failed to request_irq\n");
4772 result = -ENODEV;
4773 goto err_release_region;
4774 }
4775
4776 /* set resource status _SRS */
4777 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
4778 if (result) {
4779 pr_err("Couldn't enable device\n");
4780 goto err_free_irq;
4781 }
4782
4783 spic_dev.bluetooth_power = -1;
4784 /* create device attributes */
4785 result = sony_pf_add();
4786 if (result)
4787 goto err_disable_device;
4788
4789 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
4790 if (result)
4791 goto err_remove_pf;
4792
4793 pr_info("SPIC setup done.\n");
4794 return 0;
4795
4796 err_remove_pf:
4797 sony_pf_remove();
4798
4799 err_disable_device:
4800 sony_pic_disable(device);
4801
4802 err_free_irq:
4803 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
4804
4805 err_release_region:
4806 release_region(spic_dev.cur_ioport->io1.minimum,
4807 spic_dev.cur_ioport->io1.address_length);
4808 if (spic_dev.cur_ioport->io2.minimum)
4809 release_region(spic_dev.cur_ioport->io2.minimum,
4810 spic_dev.cur_ioport->io2.address_length);
4811
4812 err_remove_compat:
4813 sonypi_compat_exit();
4814
4815 err_remove_input:
4816 sony_laptop_remove_input();
4817
4818 err_free_resources:
4819 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
4820 list_del(&io->list);
4821 kfree(io);
4822 }
4823 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
4824 list_del(&irq->list);
4825 kfree(irq);
4826 }
4827 spic_dev.cur_ioport = NULL;
4828 spic_dev.cur_irq = NULL;
4829
4830 return result;
4831 }
4832
4833 #ifdef CONFIG_PM_SLEEP
4834 static int sony_pic_suspend(struct device *dev)
4835 {
4836 if (sony_pic_disable(to_acpi_device(dev)))
4837 return -ENXIO;
4838 return 0;
4839 }
4840
4841 static int sony_pic_resume(struct device *dev)
4842 {
4843 sony_pic_enable(to_acpi_device(dev),
4844 spic_dev.cur_ioport, spic_dev.cur_irq);
4845 return 0;
4846 }
4847 #endif
4848
4849 static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
4850
4851 static const struct acpi_device_id sony_pic_device_ids[] = {
4852 {SONY_PIC_HID, 0},
4853 {"", 0},
4854 };
4855
4856 static struct acpi_driver sony_pic_driver = {
4857 .name = SONY_PIC_DRIVER_NAME,
4858 .class = SONY_PIC_CLASS,
4859 .ids = sony_pic_device_ids,
4860 .owner = THIS_MODULE,
4861 .ops = {
4862 .add = sony_pic_add,
4863 .remove = sony_pic_remove,
4864 },
4865 .drv.pm = &sony_pic_pm,
4866 };
4867
4868 static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
4869 {
4870 .ident = "Sony Vaio",
4871 .matches = {
4872 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4873 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
4874 },
4875 },
4876 {
4877 .ident = "Sony Vaio",
4878 .matches = {
4879 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
4880 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
4881 },
4882 },
4883 { }
4884 };
4885
4886 static int __init sony_laptop_init(void)
4887 {
4888 int result;
4889
4890 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
4891 result = acpi_bus_register_driver(&sony_pic_driver);
4892 if (result) {
4893 pr_err("Unable to register SPIC driver\n");
4894 goto out;
4895 }
4896 spic_drv_registered = 1;
4897 }
4898
4899 result = acpi_bus_register_driver(&sony_nc_driver);
4900 if (result) {
4901 pr_err("Unable to register SNC driver\n");
4902 goto out_unregister_pic;
4903 }
4904
4905 return 0;
4906
4907 out_unregister_pic:
4908 if (spic_drv_registered)
4909 acpi_bus_unregister_driver(&sony_pic_driver);
4910 out:
4911 return result;
4912 }
4913
4914 static void __exit sony_laptop_exit(void)
4915 {
4916 acpi_bus_unregister_driver(&sony_nc_driver);
4917 if (spic_drv_registered)
4918 acpi_bus_unregister_driver(&sony_pic_driver);
4919 }
4920
4921 module_init(sony_laptop_init);
4922 module_exit(sony_laptop_exit);
Linux with added FPC-III support