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