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