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