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Merge branch 'for_3.4/pm/smps-regulator' of git://git.kernel.org/pub/scm/linux/kernel...
[mirror_ubuntu-bionic-kernel.git] / drivers / platform / x86 / sony-laptop.c
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
46
47 #include <linux/kernel.h>
48 #include <linux/module.h>
49 #include <linux/moduleparam.h>
50 #include <linux/init.h>
51 #include <linux/types.h>
52 #include <linux/backlight.h>
53 #include <linux/platform_device.h>
54 #include <linux/err.h>
55 #include <linux/dmi.h>
56 #include <linux/pci.h>
57 #include <linux/interrupt.h>
58 #include <linux/delay.h>
59 #include <linux/input.h>
60 #include <linux/kfifo.h>
61 #include <linux/workqueue.h>
62 #include <linux/acpi.h>
63 #include <linux/slab.h>
64 #include <acpi/acpi_drivers.h>
65 #include <acpi/acpi_bus.h>
66 #include <asm/uaccess.h>
67 #include <linux/sonypi.h>
68 #include <linux/sony-laptop.h>
69 #include <linux/rfkill.h>
70 #ifdef CONFIG_SONYPI_COMPAT
71 #include <linux/poll.h>
72 #include <linux/miscdevice.h>
73 #endif
74
75 #define dprintk(fmt, ...) \
76 do { \
77 if (debug) \
78 pr_warn(fmt, ##__VA_ARGS__); \
79 } while (0)
80
81 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
82
83 #define SONY_NC_CLASS "sony-nc"
84 #define SONY_NC_HID "SNY5001"
85 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
86
87 #define SONY_PIC_CLASS "sony-pic"
88 #define SONY_PIC_HID "SNY6001"
89 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
90
91 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
92 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
93 MODULE_LICENSE("GPL");
94 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
95
96 static int debug;
97 module_param(debug, int, 0);
98 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
99 "the development of this driver");
100
101 static int no_spic; /* = 0 */
102 module_param(no_spic, int, 0444);
103 MODULE_PARM_DESC(no_spic,
104 "set this if you don't want to enable the SPIC device");
105
106 static int compat; /* = 0 */
107 module_param(compat, int, 0444);
108 MODULE_PARM_DESC(compat,
109 "set this if you want to enable backward compatibility mode");
110
111 static unsigned long mask = 0xffffffff;
112 module_param(mask, ulong, 0644);
113 MODULE_PARM_DESC(mask,
114 "set this to the mask of event you want to enable (see doc)");
115
116 static int camera; /* = 0 */
117 module_param(camera, int, 0444);
118 MODULE_PARM_DESC(camera,
119 "set this to 1 to enable Motion Eye camera controls "
120 "(only use it if you have a C1VE or C1VN model)");
121
122 #ifdef CONFIG_SONYPI_COMPAT
123 static int minor = -1;
124 module_param(minor, int, 0);
125 MODULE_PARM_DESC(minor,
126 "minor number of the misc device for the SPIC compatibility code, "
127 "default is -1 (automatic)");
128 #endif
129
130 static int kbd_backlight = 1;
131 module_param(kbd_backlight, int, 0444);
132 MODULE_PARM_DESC(kbd_backlight,
133 "set this to 0 to disable keyboard backlight, "
134 "1 to enable it (default: 0)");
135
136 static int kbd_backlight_timeout; /* = 0 */
137 module_param(kbd_backlight_timeout, int, 0444);
138 MODULE_PARM_DESC(kbd_backlight_timeout,
139 "set this to 0 to set the default 10 seconds timeout, "
140 "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
141 "(default: 0)");
142
143 static void sony_nc_kbd_backlight_resume(void);
144
145 enum sony_nc_rfkill {
146 SONY_WIFI,
147 SONY_BLUETOOTH,
148 SONY_WWAN,
149 SONY_WIMAX,
150 N_SONY_RFKILL,
151 };
152
153 static int sony_rfkill_handle;
154 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
155 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
156 static void sony_nc_rfkill_update(void);
157
158 /*********** Input Devices ***********/
159
160 #define SONY_LAPTOP_BUF_SIZE 128
161 struct sony_laptop_input_s {
162 atomic_t users;
163 struct input_dev *jog_dev;
164 struct input_dev *key_dev;
165 struct kfifo fifo;
166 spinlock_t fifo_lock;
167 struct timer_list release_key_timer;
168 };
169
170 static struct sony_laptop_input_s sony_laptop_input = {
171 .users = ATOMIC_INIT(0),
172 };
173
174 struct sony_laptop_keypress {
175 struct input_dev *dev;
176 int key;
177 };
178
179 /* Correspondance table between sonypi events
180 * and input layer indexes in the keymap
181 */
182 static int sony_laptop_input_index[] = {
183 -1, /* 0 no event */
184 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
185 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
186 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
187 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
188 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
189 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
190 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
191 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
192 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
193 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
194 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
195 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
196 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
197 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
198 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
199 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
200 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
201 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
202 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
203 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
204 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
205 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
206 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
207 17, /* 24 SONYPI_EVENT_FNKEY_1 */
208 18, /* 25 SONYPI_EVENT_FNKEY_2 */
209 19, /* 26 SONYPI_EVENT_FNKEY_D */
210 20, /* 27 SONYPI_EVENT_FNKEY_E */
211 21, /* 28 SONYPI_EVENT_FNKEY_F */
212 22, /* 29 SONYPI_EVENT_FNKEY_S */
213 23, /* 30 SONYPI_EVENT_FNKEY_B */
214 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
215 25, /* 32 SONYPI_EVENT_PKEY_P1 */
216 26, /* 33 SONYPI_EVENT_PKEY_P2 */
217 27, /* 34 SONYPI_EVENT_PKEY_P3 */
218 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
219 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
220 -1, /* 37 SONYPI_EVENT_LID_OPENED */
221 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
222 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
223 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
224 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
225 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
226 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
227 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
228 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
229 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
230 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
231 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
232 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
233 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
234 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
235 43, /* 52 SONYPI_EVENT_MEYE_FACE */
236 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
237 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
238 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
239 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
240 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
241 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
242 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
243 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
244 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
245 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
246 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
247 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
248 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
249 53, /* 66 SONYPI_EVENT_PKEY_P4 */
250 54, /* 67 SONYPI_EVENT_PKEY_P5 */
251 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
252 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
253 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
254 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
255 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */
256 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */
257 };
258
259 static int sony_laptop_input_keycode_map[] = {
260 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
261 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
262 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
263 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
264 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
265 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
266 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
267 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
268 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
269 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
270 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
271 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
272 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
273 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
274 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
275 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
276 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
277 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
278 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
279 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
280 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
281 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
282 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
283 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
284 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
285 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
286 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
287 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
288 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
289 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
290 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
291 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
292 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
293 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
294 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
295 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
296 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
297 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
298 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
299 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
300 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
301 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
302 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
303 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
304 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
305 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
306 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
307 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
308 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
309 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
310 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
311 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
312 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
313 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
314 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
315 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
316 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
317 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
318 KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */
319 KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */
320 };
321
322 /* release buttons after a short delay if pressed */
323 static void do_sony_laptop_release_key(unsigned long unused)
324 {
325 struct sony_laptop_keypress kp;
326 unsigned long flags;
327
328 spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
329
330 if (kfifo_out(&sony_laptop_input.fifo,
331 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
332 input_report_key(kp.dev, kp.key, 0);
333 input_sync(kp.dev);
334 }
335
336 /* If there is something in the fifo schedule next release. */
337 if (kfifo_len(&sony_laptop_input.fifo) != 0)
338 mod_timer(&sony_laptop_input.release_key_timer,
339 jiffies + msecs_to_jiffies(10));
340
341 spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
342 }
343
344 /* forward event to the input subsystem */
345 static void sony_laptop_report_input_event(u8 event)
346 {
347 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
348 struct input_dev *key_dev = sony_laptop_input.key_dev;
349 struct sony_laptop_keypress kp = { NULL };
350 int scancode = -1;
351
352 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
353 event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
354 /* Nothing, not all VAIOs generate this event */
355 return;
356 }
357
358 /* report events */
359 switch (event) {
360 /* jog_dev events */
361 case SONYPI_EVENT_JOGDIAL_UP:
362 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
363 input_report_rel(jog_dev, REL_WHEEL, 1);
364 input_sync(jog_dev);
365 return;
366
367 case SONYPI_EVENT_JOGDIAL_DOWN:
368 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
369 input_report_rel(jog_dev, REL_WHEEL, -1);
370 input_sync(jog_dev);
371 return;
372
373 /* key_dev events */
374 case SONYPI_EVENT_JOGDIAL_PRESSED:
375 kp.key = BTN_MIDDLE;
376 kp.dev = jog_dev;
377 break;
378
379 default:
380 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
381 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
382 break;
383 }
384 if ((scancode = sony_laptop_input_index[event]) != -1) {
385 kp.key = sony_laptop_input_keycode_map[scancode];
386 if (kp.key != KEY_UNKNOWN)
387 kp.dev = key_dev;
388 }
389 break;
390 }
391
392 if (kp.dev) {
393 /* if we have a scancode we emit it so we can always
394 remap the key */
395 if (scancode != -1)
396 input_event(kp.dev, EV_MSC, MSC_SCAN, scancode);
397 input_report_key(kp.dev, kp.key, 1);
398 input_sync(kp.dev);
399
400 /* schedule key release */
401 kfifo_in_locked(&sony_laptop_input.fifo,
402 (unsigned char *)&kp, sizeof(kp),
403 &sony_laptop_input.fifo_lock);
404 mod_timer(&sony_laptop_input.release_key_timer,
405 jiffies + msecs_to_jiffies(10));
406 } else
407 dprintk("unknown input event %.2x\n", event);
408 }
409
410 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
411 {
412 struct input_dev *jog_dev;
413 struct input_dev *key_dev;
414 int i;
415 int error;
416
417 /* don't run again if already initialized */
418 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
419 return 0;
420
421 /* kfifo */
422 spin_lock_init(&sony_laptop_input.fifo_lock);
423 error = kfifo_alloc(&sony_laptop_input.fifo,
424 SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
425 if (error) {
426 pr_err("kfifo_alloc failed\n");
427 goto err_dec_users;
428 }
429
430 setup_timer(&sony_laptop_input.release_key_timer,
431 do_sony_laptop_release_key, 0);
432
433 /* input keys */
434 key_dev = input_allocate_device();
435 if (!key_dev) {
436 error = -ENOMEM;
437 goto err_free_kfifo;
438 }
439
440 key_dev->name = "Sony Vaio Keys";
441 key_dev->id.bustype = BUS_ISA;
442 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
443 key_dev->dev.parent = &acpi_device->dev;
444
445 /* Initialize the Input Drivers: special keys */
446 input_set_capability(key_dev, EV_MSC, MSC_SCAN);
447
448 __set_bit(EV_KEY, key_dev->evbit);
449 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
450 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
451 key_dev->keycode = &sony_laptop_input_keycode_map;
452 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
453 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
454 __clear_bit(KEY_RESERVED, key_dev->keybit);
455
456 error = input_register_device(key_dev);
457 if (error)
458 goto err_free_keydev;
459
460 sony_laptop_input.key_dev = key_dev;
461
462 /* jogdial */
463 jog_dev = input_allocate_device();
464 if (!jog_dev) {
465 error = -ENOMEM;
466 goto err_unregister_keydev;
467 }
468
469 jog_dev->name = "Sony Vaio Jogdial";
470 jog_dev->id.bustype = BUS_ISA;
471 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
472 jog_dev->dev.parent = &acpi_device->dev;
473
474 input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
475 input_set_capability(jog_dev, EV_REL, REL_WHEEL);
476
477 error = input_register_device(jog_dev);
478 if (error)
479 goto err_free_jogdev;
480
481 sony_laptop_input.jog_dev = jog_dev;
482
483 return 0;
484
485 err_free_jogdev:
486 input_free_device(jog_dev);
487
488 err_unregister_keydev:
489 input_unregister_device(key_dev);
490 /* to avoid kref underflow below at input_free_device */
491 key_dev = NULL;
492
493 err_free_keydev:
494 input_free_device(key_dev);
495
496 err_free_kfifo:
497 kfifo_free(&sony_laptop_input.fifo);
498
499 err_dec_users:
500 atomic_dec(&sony_laptop_input.users);
501 return error;
502 }
503
504 static void sony_laptop_remove_input(void)
505 {
506 struct sony_laptop_keypress kp = { NULL };
507
508 /* Cleanup only after the last user has gone */
509 if (!atomic_dec_and_test(&sony_laptop_input.users))
510 return;
511
512 del_timer_sync(&sony_laptop_input.release_key_timer);
513
514 /*
515 * Generate key-up events for remaining keys. Note that we don't
516 * need locking since nobody is adding new events to the kfifo.
517 */
518 while (kfifo_out(&sony_laptop_input.fifo,
519 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
520 input_report_key(kp.dev, kp.key, 0);
521 input_sync(kp.dev);
522 }
523
524 /* destroy input devs */
525 input_unregister_device(sony_laptop_input.key_dev);
526 sony_laptop_input.key_dev = NULL;
527
528 if (sony_laptop_input.jog_dev) {
529 input_unregister_device(sony_laptop_input.jog_dev);
530 sony_laptop_input.jog_dev = NULL;
531 }
532
533 kfifo_free(&sony_laptop_input.fifo);
534 }
535
536 /*********** Platform Device ***********/
537
538 static atomic_t sony_pf_users = ATOMIC_INIT(0);
539 static struct platform_driver sony_pf_driver = {
540 .driver = {
541 .name = "sony-laptop",
542 .owner = THIS_MODULE,
543 }
544 };
545 static struct platform_device *sony_pf_device;
546
547 static int sony_pf_add(void)
548 {
549 int ret = 0;
550
551 /* don't run again if already initialized */
552 if (atomic_add_return(1, &sony_pf_users) > 1)
553 return 0;
554
555 ret = platform_driver_register(&sony_pf_driver);
556 if (ret)
557 goto out;
558
559 sony_pf_device = platform_device_alloc("sony-laptop", -1);
560 if (!sony_pf_device) {
561 ret = -ENOMEM;
562 goto out_platform_registered;
563 }
564
565 ret = platform_device_add(sony_pf_device);
566 if (ret)
567 goto out_platform_alloced;
568
569 return 0;
570
571 out_platform_alloced:
572 platform_device_put(sony_pf_device);
573 sony_pf_device = NULL;
574 out_platform_registered:
575 platform_driver_unregister(&sony_pf_driver);
576 out:
577 atomic_dec(&sony_pf_users);
578 return ret;
579 }
580
581 static void sony_pf_remove(void)
582 {
583 /* deregister only after the last user has gone */
584 if (!atomic_dec_and_test(&sony_pf_users))
585 return;
586
587 platform_device_unregister(sony_pf_device);
588 platform_driver_unregister(&sony_pf_driver);
589 }
590
591 /*********** SNC (SNY5001) Device ***********/
592
593 /* the device uses 1-based values, while the backlight subsystem uses
594 0-based values */
595 #define SONY_MAX_BRIGHTNESS 8
596
597 #define SNC_VALIDATE_IN 0
598 #define SNC_VALIDATE_OUT 1
599
600 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
601 char *);
602 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
603 const char *, size_t);
604 static int boolean_validate(const int, const int);
605 static int brightness_default_validate(const int, const int);
606
607 struct sony_nc_value {
608 char *name; /* name of the entry */
609 char **acpiget; /* names of the ACPI get function */
610 char **acpiset; /* names of the ACPI set function */
611 int (*validate)(const int, const int); /* input/output validation */
612 int value; /* current setting */
613 int valid; /* Has ever been set */
614 int debug; /* active only in debug mode ? */
615 struct device_attribute devattr; /* sysfs attribute */
616 };
617
618 #define SNC_HANDLE_NAMES(_name, _values...) \
619 static char *snc_##_name[] = { _values, NULL }
620
621 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
622 { \
623 .name = __stringify(_name), \
624 .acpiget = _getters, \
625 .acpiset = _setters, \
626 .validate = _validate, \
627 .debug = _debug, \
628 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
629 }
630
631 #define SNC_HANDLE_NULL { .name = NULL }
632
633 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
634
635 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
636 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
637
638 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
639 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
640
641 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
642 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
643
644 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
645 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
646
647 SNC_HANDLE_NAMES(lidstate_get, "GLID");
648
649 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
650 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
651
652 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
653 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
654
655 SNC_HANDLE_NAMES(PID_get, "GPID");
656
657 SNC_HANDLE_NAMES(CTR_get, "GCTR");
658 SNC_HANDLE_NAMES(CTR_set, "SCTR");
659
660 SNC_HANDLE_NAMES(PCR_get, "GPCR");
661 SNC_HANDLE_NAMES(PCR_set, "SPCR");
662
663 SNC_HANDLE_NAMES(CMI_get, "GCMI");
664 SNC_HANDLE_NAMES(CMI_set, "SCMI");
665
666 static struct sony_nc_value sony_nc_values[] = {
667 SNC_HANDLE(brightness_default, snc_brightness_def_get,
668 snc_brightness_def_set, brightness_default_validate, 0),
669 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
670 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
671 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
672 boolean_validate, 0),
673 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
674 boolean_validate, 1),
675 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
676 boolean_validate, 0),
677 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
678 boolean_validate, 0),
679 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
680 boolean_validate, 0),
681 /* unknown methods */
682 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
683 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
684 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
685 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
686 SNC_HANDLE_NULL
687 };
688
689 static acpi_handle sony_nc_acpi_handle;
690 static struct acpi_device *sony_nc_acpi_device = NULL;
691
692 /*
693 * acpi_evaluate_object wrappers
694 */
695 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
696 {
697 struct acpi_buffer output;
698 union acpi_object out_obj;
699 acpi_status status;
700
701 output.length = sizeof(out_obj);
702 output.pointer = &out_obj;
703
704 status = acpi_evaluate_object(handle, name, NULL, &output);
705 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
706 *result = out_obj.integer.value;
707 return 0;
708 }
709
710 pr_warn("acpi_callreadfunc failed\n");
711
712 return -1;
713 }
714
715 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
716 int *result)
717 {
718 struct acpi_object_list params;
719 union acpi_object in_obj;
720 struct acpi_buffer output;
721 union acpi_object out_obj;
722 acpi_status status;
723
724 params.count = 1;
725 params.pointer = &in_obj;
726 in_obj.type = ACPI_TYPE_INTEGER;
727 in_obj.integer.value = value;
728
729 output.length = sizeof(out_obj);
730 output.pointer = &out_obj;
731
732 status = acpi_evaluate_object(handle, name, &params, &output);
733 if (status == AE_OK) {
734 if (result != NULL) {
735 if (out_obj.type != ACPI_TYPE_INTEGER) {
736 pr_warn("acpi_evaluate_object bad return type\n");
737 return -1;
738 }
739 *result = out_obj.integer.value;
740 }
741 return 0;
742 }
743
744 pr_warn("acpi_evaluate_object failed\n");
745
746 return -1;
747 }
748
749 struct sony_nc_handles {
750 u16 cap[0x10];
751 struct device_attribute devattr;
752 };
753
754 static struct sony_nc_handles *handles;
755
756 static ssize_t sony_nc_handles_show(struct device *dev,
757 struct device_attribute *attr, char *buffer)
758 {
759 ssize_t len = 0;
760 int i;
761
762 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
763 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
764 handles->cap[i]);
765 }
766 len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
767
768 return len;
769 }
770
771 static int sony_nc_handles_setup(struct platform_device *pd)
772 {
773 int i;
774 int result;
775
776 handles = kzalloc(sizeof(*handles), GFP_KERNEL);
777 if (!handles)
778 return -ENOMEM;
779
780 for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
781 if (!acpi_callsetfunc(sony_nc_acpi_handle,
782 "SN00", i + 0x20, &result)) {
783 dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
784 result, i);
785 handles->cap[i] = result;
786 }
787 }
788
789 if (debug) {
790 sysfs_attr_init(&handles->devattr.attr);
791 handles->devattr.attr.name = "handles";
792 handles->devattr.attr.mode = S_IRUGO;
793 handles->devattr.show = sony_nc_handles_show;
794
795 /* allow reading capabilities via sysfs */
796 if (device_create_file(&pd->dev, &handles->devattr)) {
797 kfree(handles);
798 handles = NULL;
799 return -1;
800 }
801 }
802
803 return 0;
804 }
805
806 static int sony_nc_handles_cleanup(struct platform_device *pd)
807 {
808 if (handles) {
809 if (debug)
810 device_remove_file(&pd->dev, &handles->devattr);
811 kfree(handles);
812 handles = NULL;
813 }
814 return 0;
815 }
816
817 static int sony_find_snc_handle(int handle)
818 {
819 int i;
820
821 /* not initialized yet, return early */
822 if (!handles)
823 return -1;
824
825 for (i = 0; i < 0x10; i++) {
826 if (handles->cap[i] == handle) {
827 dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
828 handle, i);
829 return i;
830 }
831 }
832 dprintk("handle 0x%.4x not found\n", handle);
833 return -1;
834 }
835
836 static int sony_call_snc_handle(int handle, int argument, int *result)
837 {
838 int ret = 0;
839 int offset = sony_find_snc_handle(handle);
840
841 if (offset < 0)
842 return -1;
843
844 ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
845 result);
846 dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
847 *result);
848 return ret;
849 }
850
851 /*
852 * sony_nc_values input/output validate functions
853 */
854
855 /* brightness_default_validate:
856 *
857 * manipulate input output values to keep consistency with the
858 * backlight framework for which brightness values are 0-based.
859 */
860 static int brightness_default_validate(const int direction, const int value)
861 {
862 switch (direction) {
863 case SNC_VALIDATE_OUT:
864 return value - 1;
865 case SNC_VALIDATE_IN:
866 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
867 return value + 1;
868 }
869 return -EINVAL;
870 }
871
872 /* boolean_validate:
873 *
874 * on input validate boolean values 0/1, on output just pass the
875 * received value.
876 */
877 static int boolean_validate(const int direction, const int value)
878 {
879 if (direction == SNC_VALIDATE_IN) {
880 if (value != 0 && value != 1)
881 return -EINVAL;
882 }
883 return value;
884 }
885
886 /*
887 * Sysfs show/store common to all sony_nc_values
888 */
889 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
890 char *buffer)
891 {
892 int value;
893 struct sony_nc_value *item =
894 container_of(attr, struct sony_nc_value, devattr);
895
896 if (!*item->acpiget)
897 return -EIO;
898
899 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
900 return -EIO;
901
902 if (item->validate)
903 value = item->validate(SNC_VALIDATE_OUT, value);
904
905 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
906 }
907
908 static ssize_t sony_nc_sysfs_store(struct device *dev,
909 struct device_attribute *attr,
910 const char *buffer, size_t count)
911 {
912 int value;
913 struct sony_nc_value *item =
914 container_of(attr, struct sony_nc_value, devattr);
915
916 if (!item->acpiset)
917 return -EIO;
918
919 if (count > 31)
920 return -EINVAL;
921
922 value = simple_strtoul(buffer, NULL, 10);
923
924 if (item->validate)
925 value = item->validate(SNC_VALIDATE_IN, value);
926
927 if (value < 0)
928 return value;
929
930 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
931 return -EIO;
932 item->value = value;
933 item->valid = 1;
934 return count;
935 }
936
937
938 /*
939 * Backlight device
940 */
941 struct sony_backlight_props {
942 struct backlight_device *dev;
943 int handle;
944 u8 offset;
945 u8 maxlvl;
946 };
947 struct sony_backlight_props sony_bl_props;
948
949 static int sony_backlight_update_status(struct backlight_device *bd)
950 {
951 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
952 bd->props.brightness + 1, NULL);
953 }
954
955 static int sony_backlight_get_brightness(struct backlight_device *bd)
956 {
957 int value;
958
959 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
960 return 0;
961 /* brightness levels are 1-based, while backlight ones are 0-based */
962 return value - 1;
963 }
964
965 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
966 {
967 int result;
968 struct sony_backlight_props *sdev =
969 (struct sony_backlight_props *)bl_get_data(bd);
970
971 sony_call_snc_handle(sdev->handle, 0x0200, &result);
972
973 return (result & 0xff) - sdev->offset;
974 }
975
976 static int sony_nc_update_status_ng(struct backlight_device *bd)
977 {
978 int value, result;
979 struct sony_backlight_props *sdev =
980 (struct sony_backlight_props *)bl_get_data(bd);
981
982 value = bd->props.brightness + sdev->offset;
983 if (sony_call_snc_handle(sdev->handle, 0x0100 | (value << 16), &result))
984 return -EIO;
985
986 return value;
987 }
988
989 static const struct backlight_ops sony_backlight_ops = {
990 .options = BL_CORE_SUSPENDRESUME,
991 .update_status = sony_backlight_update_status,
992 .get_brightness = sony_backlight_get_brightness,
993 };
994 static const struct backlight_ops sony_backlight_ng_ops = {
995 .options = BL_CORE_SUSPENDRESUME,
996 .update_status = sony_nc_update_status_ng,
997 .get_brightness = sony_nc_get_brightness_ng,
998 };
999
1000 /*
1001 * New SNC-only Vaios event mapping to driver known keys
1002 */
1003 struct sony_nc_event {
1004 u8 data;
1005 u8 event;
1006 };
1007
1008 static struct sony_nc_event sony_100_events[] = {
1009 { 0x90, SONYPI_EVENT_PKEY_P1 },
1010 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
1011 { 0x91, SONYPI_EVENT_PKEY_P2 },
1012 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1013 { 0x81, SONYPI_EVENT_FNKEY_F1 },
1014 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1015 { 0x82, SONYPI_EVENT_FNKEY_F2 },
1016 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1017 { 0x83, SONYPI_EVENT_FNKEY_F3 },
1018 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1019 { 0x84, SONYPI_EVENT_FNKEY_F4 },
1020 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1021 { 0x85, SONYPI_EVENT_FNKEY_F5 },
1022 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1023 { 0x86, SONYPI_EVENT_FNKEY_F6 },
1024 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1025 { 0x87, SONYPI_EVENT_FNKEY_F7 },
1026 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1027 { 0x89, SONYPI_EVENT_FNKEY_F9 },
1028 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1029 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1030 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1031 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1032 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1033 { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1034 { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1035 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1036 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1037 { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1038 { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1039 { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1040 { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1041 { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1042 { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1043 { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1044 { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1045 { 0, 0 },
1046 };
1047
1048 static struct sony_nc_event sony_127_events[] = {
1049 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1050 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1051 { 0x82, SONYPI_EVENT_PKEY_P1 },
1052 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1053 { 0x83, SONYPI_EVENT_PKEY_P2 },
1054 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1055 { 0x84, SONYPI_EVENT_PKEY_P3 },
1056 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1057 { 0x85, SONYPI_EVENT_PKEY_P4 },
1058 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1059 { 0x86, SONYPI_EVENT_PKEY_P5 },
1060 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1061 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1062 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1063 { 0, 0 },
1064 };
1065
1066 /*
1067 * ACPI callbacks
1068 */
1069 static void sony_nc_notify(struct acpi_device *device, u32 event)
1070 {
1071 u32 ev = event;
1072
1073 if (ev >= 0x90) {
1074 /* New-style event */
1075 int result;
1076 int key_handle = 0;
1077 ev -= 0x90;
1078
1079 if (sony_find_snc_handle(0x100) == ev)
1080 key_handle = 0x100;
1081 if (sony_find_snc_handle(0x127) == ev)
1082 key_handle = 0x127;
1083
1084 if (key_handle) {
1085 struct sony_nc_event *key_event;
1086
1087 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
1088 dprintk("sony_nc_notify, unable to decode"
1089 " event 0x%.2x 0x%.2x\n", key_handle,
1090 ev);
1091 /* restore the original event */
1092 ev = event;
1093 } else {
1094 ev = result & 0xFF;
1095
1096 if (key_handle == 0x100)
1097 key_event = sony_100_events;
1098 else
1099 key_event = sony_127_events;
1100
1101 for (; key_event->data; key_event++) {
1102 if (key_event->data == ev) {
1103 ev = key_event->event;
1104 break;
1105 }
1106 }
1107
1108 if (!key_event->data)
1109 pr_info("Unknown event: 0x%x 0x%x\n",
1110 key_handle, ev);
1111 else
1112 sony_laptop_report_input_event(ev);
1113 }
1114 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
1115 sony_nc_rfkill_update();
1116 return;
1117 }
1118 } else
1119 sony_laptop_report_input_event(ev);
1120
1121 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
1122 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
1123 }
1124
1125 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1126 void *context, void **return_value)
1127 {
1128 struct acpi_device_info *info;
1129
1130 if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1131 pr_warn("method: name: %4.4s, args %X\n",
1132 (char *)&info->name, info->param_count);
1133
1134 kfree(info);
1135 }
1136
1137 return AE_OK;
1138 }
1139
1140 /*
1141 * ACPI device
1142 */
1143 static int sony_nc_function_setup(struct acpi_device *device)
1144 {
1145 int result;
1146
1147 /* Enable all events */
1148 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1149
1150 /* Setup hotkeys */
1151 sony_call_snc_handle(0x0100, 0, &result);
1152 sony_call_snc_handle(0x0101, 0, &result);
1153 sony_call_snc_handle(0x0102, 0x100, &result);
1154 sony_call_snc_handle(0x0127, 0, &result);
1155
1156 return 0;
1157 }
1158
1159 static int sony_nc_resume(struct acpi_device *device)
1160 {
1161 struct sony_nc_value *item;
1162 acpi_handle handle;
1163
1164 for (item = sony_nc_values; item->name; item++) {
1165 int ret;
1166
1167 if (!item->valid)
1168 continue;
1169 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1170 item->value, NULL);
1171 if (ret < 0) {
1172 pr_err("%s: %d\n", __func__, ret);
1173 break;
1174 }
1175 }
1176
1177 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1178 &handle))) {
1179 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1180 dprintk("ECON Method failed\n");
1181 }
1182
1183 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1184 &handle))) {
1185 dprintk("Doing SNC setup\n");
1186 sony_nc_function_setup(device);
1187 }
1188
1189 /* re-read rfkill state */
1190 sony_nc_rfkill_update();
1191
1192 /* restore kbd backlight states */
1193 sony_nc_kbd_backlight_resume();
1194
1195 return 0;
1196 }
1197
1198 static void sony_nc_rfkill_cleanup(void)
1199 {
1200 int i;
1201
1202 for (i = 0; i < N_SONY_RFKILL; i++) {
1203 if (sony_rfkill_devices[i]) {
1204 rfkill_unregister(sony_rfkill_devices[i]);
1205 rfkill_destroy(sony_rfkill_devices[i]);
1206 }
1207 }
1208 }
1209
1210 static int sony_nc_rfkill_set(void *data, bool blocked)
1211 {
1212 int result;
1213 int argument = sony_rfkill_address[(long) data] + 0x100;
1214
1215 if (!blocked)
1216 argument |= 0xff0000;
1217
1218 return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1219 }
1220
1221 static const struct rfkill_ops sony_rfkill_ops = {
1222 .set_block = sony_nc_rfkill_set,
1223 };
1224
1225 static int sony_nc_setup_rfkill(struct acpi_device *device,
1226 enum sony_nc_rfkill nc_type)
1227 {
1228 int err = 0;
1229 struct rfkill *rfk;
1230 enum rfkill_type type;
1231 const char *name;
1232 int result;
1233 bool hwblock;
1234
1235 switch (nc_type) {
1236 case SONY_WIFI:
1237 type = RFKILL_TYPE_WLAN;
1238 name = "sony-wifi";
1239 break;
1240 case SONY_BLUETOOTH:
1241 type = RFKILL_TYPE_BLUETOOTH;
1242 name = "sony-bluetooth";
1243 break;
1244 case SONY_WWAN:
1245 type = RFKILL_TYPE_WWAN;
1246 name = "sony-wwan";
1247 break;
1248 case SONY_WIMAX:
1249 type = RFKILL_TYPE_WIMAX;
1250 name = "sony-wimax";
1251 break;
1252 default:
1253 return -EINVAL;
1254 }
1255
1256 rfk = rfkill_alloc(name, &device->dev, type,
1257 &sony_rfkill_ops, (void *)nc_type);
1258 if (!rfk)
1259 return -ENOMEM;
1260
1261 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1262 hwblock = !(result & 0x1);
1263 rfkill_set_hw_state(rfk, hwblock);
1264
1265 err = rfkill_register(rfk);
1266 if (err) {
1267 rfkill_destroy(rfk);
1268 return err;
1269 }
1270 sony_rfkill_devices[nc_type] = rfk;
1271 return err;
1272 }
1273
1274 static void sony_nc_rfkill_update(void)
1275 {
1276 enum sony_nc_rfkill i;
1277 int result;
1278 bool hwblock;
1279
1280 sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1281 hwblock = !(result & 0x1);
1282
1283 for (i = 0; i < N_SONY_RFKILL; i++) {
1284 int argument = sony_rfkill_address[i];
1285
1286 if (!sony_rfkill_devices[i])
1287 continue;
1288
1289 if (hwblock) {
1290 if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1291 /* we already know we're blocked */
1292 }
1293 continue;
1294 }
1295
1296 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1297 rfkill_set_states(sony_rfkill_devices[i],
1298 !(result & 0xf), false);
1299 }
1300 }
1301
1302 static void sony_nc_rfkill_setup(struct acpi_device *device)
1303 {
1304 int offset;
1305 u8 dev_code, i;
1306 acpi_status status;
1307 struct acpi_object_list params;
1308 union acpi_object in_obj;
1309 union acpi_object *device_enum;
1310 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1311
1312 offset = sony_find_snc_handle(0x124);
1313 if (offset == -1) {
1314 offset = sony_find_snc_handle(0x135);
1315 if (offset == -1)
1316 return;
1317 else
1318 sony_rfkill_handle = 0x135;
1319 } else
1320 sony_rfkill_handle = 0x124;
1321 dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1322
1323 /* need to read the whole buffer returned by the acpi call to SN06
1324 * here otherwise we may miss some features
1325 */
1326 params.count = 1;
1327 params.pointer = &in_obj;
1328 in_obj.type = ACPI_TYPE_INTEGER;
1329 in_obj.integer.value = offset;
1330 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1331 &buffer);
1332 if (ACPI_FAILURE(status)) {
1333 dprintk("Radio device enumeration failed\n");
1334 return;
1335 }
1336
1337 device_enum = (union acpi_object *) buffer.pointer;
1338 if (!device_enum) {
1339 pr_err("No SN06 return object\n");
1340 goto out_no_enum;
1341 }
1342 if (device_enum->type != ACPI_TYPE_BUFFER) {
1343 pr_err("Invalid SN06 return object 0x%.2x\n",
1344 device_enum->type);
1345 goto out_no_enum;
1346 }
1347
1348 /* the buffer is filled with magic numbers describing the devices
1349 * available, 0xff terminates the enumeration
1350 */
1351 for (i = 0; i < device_enum->buffer.length; i++) {
1352
1353 dev_code = *(device_enum->buffer.pointer + i);
1354 if (dev_code == 0xff)
1355 break;
1356
1357 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1358
1359 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1360 sony_nc_setup_rfkill(device, SONY_WIFI);
1361
1362 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1363 sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1364
1365 if ((0xf0 & dev_code) == 0x20 &&
1366 !sony_rfkill_devices[SONY_WWAN])
1367 sony_nc_setup_rfkill(device, SONY_WWAN);
1368
1369 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1370 sony_nc_setup_rfkill(device, SONY_WIMAX);
1371 }
1372
1373 out_no_enum:
1374 kfree(buffer.pointer);
1375 return;
1376 }
1377
1378 /* Keyboard backlight feature */
1379 #define KBDBL_HANDLER 0x137
1380 #define KBDBL_PRESENT 0xB00
1381 #define SET_MODE 0xC00
1382 #define SET_STATE 0xD00
1383 #define SET_TIMEOUT 0xE00
1384
1385 struct kbd_backlight {
1386 int mode;
1387 int timeout;
1388 struct device_attribute mode_attr;
1389 struct device_attribute timeout_attr;
1390 };
1391
1392 static struct kbd_backlight *kbdbl_handle;
1393
1394 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1395 {
1396 int result;
1397
1398 if (value > 1)
1399 return -EINVAL;
1400
1401 if (sony_call_snc_handle(KBDBL_HANDLER,
1402 (value << 0x10) | SET_MODE, &result))
1403 return -EIO;
1404
1405 /* Try to turn the light on/off immediately */
1406 sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
1407 &result);
1408
1409 kbdbl_handle->mode = value;
1410
1411 return 0;
1412 }
1413
1414 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1415 struct device_attribute *attr,
1416 const char *buffer, size_t count)
1417 {
1418 int ret = 0;
1419 unsigned long value;
1420
1421 if (count > 31)
1422 return -EINVAL;
1423
1424 if (strict_strtoul(buffer, 10, &value))
1425 return -EINVAL;
1426
1427 ret = __sony_nc_kbd_backlight_mode_set(value);
1428 if (ret < 0)
1429 return ret;
1430
1431 return count;
1432 }
1433
1434 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1435 struct device_attribute *attr, char *buffer)
1436 {
1437 ssize_t count = 0;
1438 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
1439 return count;
1440 }
1441
1442 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1443 {
1444 int result;
1445
1446 if (value > 3)
1447 return -EINVAL;
1448
1449 if (sony_call_snc_handle(KBDBL_HANDLER,
1450 (value << 0x10) | SET_TIMEOUT, &result))
1451 return -EIO;
1452
1453 kbdbl_handle->timeout = value;
1454
1455 return 0;
1456 }
1457
1458 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1459 struct device_attribute *attr,
1460 const char *buffer, size_t count)
1461 {
1462 int ret = 0;
1463 unsigned long value;
1464
1465 if (count > 31)
1466 return -EINVAL;
1467
1468 if (strict_strtoul(buffer, 10, &value))
1469 return -EINVAL;
1470
1471 ret = __sony_nc_kbd_backlight_timeout_set(value);
1472 if (ret < 0)
1473 return ret;
1474
1475 return count;
1476 }
1477
1478 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1479 struct device_attribute *attr, char *buffer)
1480 {
1481 ssize_t count = 0;
1482 count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
1483 return count;
1484 }
1485
1486 static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
1487 {
1488 int result;
1489
1490 if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
1491 return 0;
1492 if (!(result & 0x02))
1493 return 0;
1494
1495 kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
1496 if (!kbdbl_handle)
1497 return -ENOMEM;
1498
1499 sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
1500 kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
1501 kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1502 kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1503 kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1504
1505 sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
1506 kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
1507 kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1508 kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1509 kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1510
1511 if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
1512 goto outkzalloc;
1513
1514 if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
1515 goto outmode;
1516
1517 __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1518 __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1519
1520 return 0;
1521
1522 outmode:
1523 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1524 outkzalloc:
1525 kfree(kbdbl_handle);
1526 kbdbl_handle = NULL;
1527 return -1;
1528 }
1529
1530 static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1531 {
1532 if (kbdbl_handle) {
1533 int result;
1534
1535 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1536 device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
1537
1538 /* restore the default hw behaviour */
1539 sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
1540 sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);
1541
1542 kfree(kbdbl_handle);
1543 }
1544 return 0;
1545 }
1546
1547 static void sony_nc_kbd_backlight_resume(void)
1548 {
1549 int ignore = 0;
1550
1551 if (!kbdbl_handle)
1552 return;
1553
1554 if (kbdbl_handle->mode == 0)
1555 sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);
1556
1557 if (kbdbl_handle->timeout != 0)
1558 sony_call_snc_handle(KBDBL_HANDLER,
1559 (kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
1560 &ignore);
1561 }
1562
1563 static void sony_nc_backlight_ng_read_limits(int handle,
1564 struct sony_backlight_props *props)
1565 {
1566 int offset;
1567 acpi_status status;
1568 u8 brlvl, i;
1569 u8 min = 0xff, max = 0x00;
1570 struct acpi_object_list params;
1571 union acpi_object in_obj;
1572 union acpi_object *lvl_enum;
1573 struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1574
1575 props->handle = handle;
1576 props->offset = 0;
1577 props->maxlvl = 0xff;
1578
1579 offset = sony_find_snc_handle(handle);
1580 if (offset < 0)
1581 return;
1582
1583 /* try to read the boundaries from ACPI tables, if we fail the above
1584 * defaults should be reasonable
1585 */
1586 params.count = 1;
1587 params.pointer = &in_obj;
1588 in_obj.type = ACPI_TYPE_INTEGER;
1589 in_obj.integer.value = offset;
1590 status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1591 &buffer);
1592 if (ACPI_FAILURE(status))
1593 return;
1594
1595 lvl_enum = (union acpi_object *) buffer.pointer;
1596 if (!lvl_enum) {
1597 pr_err("No SN06 return object.");
1598 return;
1599 }
1600 if (lvl_enum->type != ACPI_TYPE_BUFFER) {
1601 pr_err("Invalid SN06 return object 0x%.2x\n",
1602 lvl_enum->type);
1603 goto out_invalid;
1604 }
1605
1606 /* the buffer lists brightness levels available, brightness levels are
1607 * from 0 to 8 in the array, other values are used by ALS control.
1608 */
1609 for (i = 0; i < 9 && i < lvl_enum->buffer.length; i++) {
1610
1611 brlvl = *(lvl_enum->buffer.pointer + i);
1612 dprintk("Brightness level: %d\n", brlvl);
1613
1614 if (!brlvl)
1615 break;
1616
1617 if (brlvl > max)
1618 max = brlvl;
1619 if (brlvl < min)
1620 min = brlvl;
1621 }
1622 props->offset = min;
1623 props->maxlvl = max;
1624 dprintk("Brightness levels: min=%d max=%d\n", props->offset,
1625 props->maxlvl);
1626
1627 out_invalid:
1628 kfree(buffer.pointer);
1629 return;
1630 }
1631
1632 static void sony_nc_backlight_setup(void)
1633 {
1634 acpi_handle unused;
1635 int max_brightness = 0;
1636 const struct backlight_ops *ops = NULL;
1637 struct backlight_properties props;
1638
1639 if (sony_find_snc_handle(0x12f) != -1) {
1640 ops = &sony_backlight_ng_ops;
1641 sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props);
1642 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
1643
1644 } else if (sony_find_snc_handle(0x137) != -1) {
1645 ops = &sony_backlight_ng_ops;
1646 sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props);
1647 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
1648
1649 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1650 &unused))) {
1651 ops = &sony_backlight_ops;
1652 max_brightness = SONY_MAX_BRIGHTNESS - 1;
1653
1654 } else
1655 return;
1656
1657 memset(&props, 0, sizeof(struct backlight_properties));
1658 props.type = BACKLIGHT_PLATFORM;
1659 props.max_brightness = max_brightness;
1660 sony_bl_props.dev = backlight_device_register("sony", NULL,
1661 &sony_bl_props,
1662 ops, &props);
1663
1664 if (IS_ERR(sony_bl_props.dev)) {
1665 pr_warn("unable to register backlight device\n");
1666 sony_bl_props.dev = NULL;
1667 } else
1668 sony_bl_props.dev->props.brightness =
1669 ops->get_brightness(sony_bl_props.dev);
1670 }
1671
1672 static void sony_nc_backlight_cleanup(void)
1673 {
1674 if (sony_bl_props.dev)
1675 backlight_device_unregister(sony_bl_props.dev);
1676 }
1677
1678 static int sony_nc_add(struct acpi_device *device)
1679 {
1680 acpi_status status;
1681 int result = 0;
1682 acpi_handle handle;
1683 struct sony_nc_value *item;
1684
1685 pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1686
1687 sony_nc_acpi_device = device;
1688 strcpy(acpi_device_class(device), "sony/hotkey");
1689
1690 sony_nc_acpi_handle = device->handle;
1691
1692 /* read device status */
1693 result = acpi_bus_get_status(device);
1694 /* bail IFF the above call was successful and the device is not present */
1695 if (!result && !device->status.present) {
1696 dprintk("Device not present\n");
1697 result = -ENODEV;
1698 goto outwalk;
1699 }
1700
1701 result = sony_pf_add();
1702 if (result)
1703 goto outpresent;
1704
1705 if (debug) {
1706 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
1707 sony_nc_acpi_handle, 1, sony_walk_callback,
1708 NULL, NULL, NULL);
1709 if (ACPI_FAILURE(status)) {
1710 pr_warn("unable to walk acpi resources\n");
1711 result = -ENODEV;
1712 goto outpresent;
1713 }
1714 }
1715
1716 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1717 &handle))) {
1718 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1719 dprintk("ECON Method failed\n");
1720 }
1721
1722 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1723 &handle))) {
1724 dprintk("Doing SNC setup\n");
1725 result = sony_nc_handles_setup(sony_pf_device);
1726 if (result)
1727 goto outpresent;
1728 result = sony_nc_kbd_backlight_setup(sony_pf_device);
1729 if (result)
1730 goto outsnc;
1731 sony_nc_function_setup(device);
1732 sony_nc_rfkill_setup(device);
1733 }
1734
1735 /* setup input devices and helper fifo */
1736 result = sony_laptop_setup_input(device);
1737 if (result) {
1738 pr_err("Unable to create input devices\n");
1739 goto outkbdbacklight;
1740 }
1741
1742 if (acpi_video_backlight_support()) {
1743 pr_info("brightness ignored, must be controlled by ACPI video driver\n");
1744 } else {
1745 sony_nc_backlight_setup();
1746 }
1747
1748 /* create sony_pf sysfs attributes related to the SNC device */
1749 for (item = sony_nc_values; item->name; ++item) {
1750
1751 if (!debug && item->debug)
1752 continue;
1753
1754 /* find the available acpiget as described in the DSDT */
1755 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1756 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1757 *item->acpiget,
1758 &handle))) {
1759 dprintk("Found %s getter: %s\n",
1760 item->name, *item->acpiget);
1761 item->devattr.attr.mode |= S_IRUGO;
1762 break;
1763 }
1764 }
1765
1766 /* find the available acpiset as described in the DSDT */
1767 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1768 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1769 *item->acpiset,
1770 &handle))) {
1771 dprintk("Found %s setter: %s\n",
1772 item->name, *item->acpiset);
1773 item->devattr.attr.mode |= S_IWUSR;
1774 break;
1775 }
1776 }
1777
1778 if (item->devattr.attr.mode != 0) {
1779 result =
1780 device_create_file(&sony_pf_device->dev,
1781 &item->devattr);
1782 if (result)
1783 goto out_sysfs;
1784 }
1785 }
1786
1787 return 0;
1788
1789 out_sysfs:
1790 for (item = sony_nc_values; item->name; ++item) {
1791 device_remove_file(&sony_pf_device->dev, &item->devattr);
1792 }
1793 sony_nc_backlight_cleanup();
1794
1795 sony_laptop_remove_input();
1796
1797 outkbdbacklight:
1798 sony_nc_kbd_backlight_cleanup(sony_pf_device);
1799
1800 outsnc:
1801 sony_nc_handles_cleanup(sony_pf_device);
1802
1803 outpresent:
1804 sony_pf_remove();
1805
1806 outwalk:
1807 sony_nc_rfkill_cleanup();
1808 return result;
1809 }
1810
1811 static int sony_nc_remove(struct acpi_device *device, int type)
1812 {
1813 struct sony_nc_value *item;
1814
1815 sony_nc_backlight_cleanup();
1816
1817 sony_nc_acpi_device = NULL;
1818
1819 for (item = sony_nc_values; item->name; ++item) {
1820 device_remove_file(&sony_pf_device->dev, &item->devattr);
1821 }
1822
1823 sony_nc_kbd_backlight_cleanup(sony_pf_device);
1824 sony_nc_handles_cleanup(sony_pf_device);
1825 sony_pf_remove();
1826 sony_laptop_remove_input();
1827 sony_nc_rfkill_cleanup();
1828 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1829
1830 return 0;
1831 }
1832
1833 static const struct acpi_device_id sony_device_ids[] = {
1834 {SONY_NC_HID, 0},
1835 {SONY_PIC_HID, 0},
1836 {"", 0},
1837 };
1838 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1839
1840 static const struct acpi_device_id sony_nc_device_ids[] = {
1841 {SONY_NC_HID, 0},
1842 {"", 0},
1843 };
1844
1845 static struct acpi_driver sony_nc_driver = {
1846 .name = SONY_NC_DRIVER_NAME,
1847 .class = SONY_NC_CLASS,
1848 .ids = sony_nc_device_ids,
1849 .owner = THIS_MODULE,
1850 .ops = {
1851 .add = sony_nc_add,
1852 .remove = sony_nc_remove,
1853 .resume = sony_nc_resume,
1854 .notify = sony_nc_notify,
1855 },
1856 };
1857
1858 /*********** SPIC (SNY6001) Device ***********/
1859
1860 #define SONYPI_DEVICE_TYPE1 0x00000001
1861 #define SONYPI_DEVICE_TYPE2 0x00000002
1862 #define SONYPI_DEVICE_TYPE3 0x00000004
1863
1864 #define SONYPI_TYPE1_OFFSET 0x04
1865 #define SONYPI_TYPE2_OFFSET 0x12
1866 #define SONYPI_TYPE3_OFFSET 0x12
1867
1868 struct sony_pic_ioport {
1869 struct acpi_resource_io io1;
1870 struct acpi_resource_io io2;
1871 struct list_head list;
1872 };
1873
1874 struct sony_pic_irq {
1875 struct acpi_resource_irq irq;
1876 struct list_head list;
1877 };
1878
1879 struct sonypi_eventtypes {
1880 u8 data;
1881 unsigned long mask;
1882 struct sonypi_event *events;
1883 };
1884
1885 struct sony_pic_dev {
1886 struct acpi_device *acpi_dev;
1887 struct sony_pic_irq *cur_irq;
1888 struct sony_pic_ioport *cur_ioport;
1889 struct list_head interrupts;
1890 struct list_head ioports;
1891 struct mutex lock;
1892 struct sonypi_eventtypes *event_types;
1893 int (*handle_irq)(const u8, const u8);
1894 int model;
1895 u16 evport_offset;
1896 u8 camera_power;
1897 u8 bluetooth_power;
1898 u8 wwan_power;
1899 };
1900
1901 static struct sony_pic_dev spic_dev = {
1902 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1903 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1904 };
1905
1906 static int spic_drv_registered;
1907
1908 /* Event masks */
1909 #define SONYPI_JOGGER_MASK 0x00000001
1910 #define SONYPI_CAPTURE_MASK 0x00000002
1911 #define SONYPI_FNKEY_MASK 0x00000004
1912 #define SONYPI_BLUETOOTH_MASK 0x00000008
1913 #define SONYPI_PKEY_MASK 0x00000010
1914 #define SONYPI_BACK_MASK 0x00000020
1915 #define SONYPI_HELP_MASK 0x00000040
1916 #define SONYPI_LID_MASK 0x00000080
1917 #define SONYPI_ZOOM_MASK 0x00000100
1918 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1919 #define SONYPI_MEYE_MASK 0x00000400
1920 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1921 #define SONYPI_BATTERY_MASK 0x00001000
1922 #define SONYPI_WIRELESS_MASK 0x00002000
1923
1924 struct sonypi_event {
1925 u8 data;
1926 u8 event;
1927 };
1928
1929 /* The set of possible button release events */
1930 static struct sonypi_event sonypi_releaseev[] = {
1931 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1932 { 0, 0 }
1933 };
1934
1935 /* The set of possible jogger events */
1936 static struct sonypi_event sonypi_joggerev[] = {
1937 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1938 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1939 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1940 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1941 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1942 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1943 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1944 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1945 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1946 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1947 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1948 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1949 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1950 { 0, 0 }
1951 };
1952
1953 /* The set of possible capture button events */
1954 static struct sonypi_event sonypi_captureev[] = {
1955 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1956 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1957 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1958 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1959 { 0, 0 }
1960 };
1961
1962 /* The set of possible fnkeys events */
1963 static struct sonypi_event sonypi_fnkeyev[] = {
1964 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1965 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1966 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1967 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1968 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1969 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1970 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1971 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1972 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1973 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1974 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1975 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1976 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1977 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1978 { 0x21, SONYPI_EVENT_FNKEY_1 },
1979 { 0x22, SONYPI_EVENT_FNKEY_2 },
1980 { 0x31, SONYPI_EVENT_FNKEY_D },
1981 { 0x32, SONYPI_EVENT_FNKEY_E },
1982 { 0x33, SONYPI_EVENT_FNKEY_F },
1983 { 0x34, SONYPI_EVENT_FNKEY_S },
1984 { 0x35, SONYPI_EVENT_FNKEY_B },
1985 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1986 { 0, 0 }
1987 };
1988
1989 /* The set of possible program key events */
1990 static struct sonypi_event sonypi_pkeyev[] = {
1991 { 0x01, SONYPI_EVENT_PKEY_P1 },
1992 { 0x02, SONYPI_EVENT_PKEY_P2 },
1993 { 0x04, SONYPI_EVENT_PKEY_P3 },
1994 { 0x20, SONYPI_EVENT_PKEY_P1 },
1995 { 0, 0 }
1996 };
1997
1998 /* The set of possible bluetooth events */
1999 static struct sonypi_event sonypi_blueev[] = {
2000 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
2001 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
2002 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
2003 { 0, 0 }
2004 };
2005
2006 /* The set of possible wireless events */
2007 static struct sonypi_event sonypi_wlessev[] = {
2008 { 0x59, SONYPI_EVENT_IGNORE },
2009 { 0x5a, SONYPI_EVENT_IGNORE },
2010 { 0, 0 }
2011 };
2012
2013 /* The set of possible back button events */
2014 static struct sonypi_event sonypi_backev[] = {
2015 { 0x20, SONYPI_EVENT_BACK_PRESSED },
2016 { 0, 0 }
2017 };
2018
2019 /* The set of possible help button events */
2020 static struct sonypi_event sonypi_helpev[] = {
2021 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
2022 { 0, 0 }
2023 };
2024
2025
2026 /* The set of possible lid events */
2027 static struct sonypi_event sonypi_lidev[] = {
2028 { 0x51, SONYPI_EVENT_LID_CLOSED },
2029 { 0x50, SONYPI_EVENT_LID_OPENED },
2030 { 0, 0 }
2031 };
2032
2033 /* The set of possible zoom events */
2034 static struct sonypi_event sonypi_zoomev[] = {
2035 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
2036 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
2037 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
2038 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
2039 { 0, 0 }
2040 };
2041
2042 /* The set of possible thumbphrase events */
2043 static struct sonypi_event sonypi_thumbphraseev[] = {
2044 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
2045 { 0, 0 }
2046 };
2047
2048 /* The set of possible motioneye camera events */
2049 static struct sonypi_event sonypi_meyeev[] = {
2050 { 0x00, SONYPI_EVENT_MEYE_FACE },
2051 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
2052 { 0, 0 }
2053 };
2054
2055 /* The set of possible memorystick events */
2056 static struct sonypi_event sonypi_memorystickev[] = {
2057 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
2058 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
2059 { 0, 0 }
2060 };
2061
2062 /* The set of possible battery events */
2063 static struct sonypi_event sonypi_batteryev[] = {
2064 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
2065 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
2066 { 0, 0 }
2067 };
2068
2069 /* The set of possible volume events */
2070 static struct sonypi_event sonypi_volumeev[] = {
2071 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
2072 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
2073 { 0, 0 }
2074 };
2075
2076 /* The set of possible brightness events */
2077 static struct sonypi_event sonypi_brightnessev[] = {
2078 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
2079 { 0, 0 }
2080 };
2081
2082 static struct sonypi_eventtypes type1_events[] = {
2083 { 0, 0xffffffff, sonypi_releaseev },
2084 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
2085 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
2086 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
2087 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
2088 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2089 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2090 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
2091 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2092 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
2093 { 0 },
2094 };
2095 static struct sonypi_eventtypes type2_events[] = {
2096 { 0, 0xffffffff, sonypi_releaseev },
2097 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
2098 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
2099 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
2100 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2101 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2102 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
2103 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
2104 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
2105 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
2106 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
2107 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2108 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2109 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2110 { 0 },
2111 };
2112 static struct sonypi_eventtypes type3_events[] = {
2113 { 0, 0xffffffff, sonypi_releaseev },
2114 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2115 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
2116 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2117 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2118 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2119 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
2120 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
2121 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
2122 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
2123 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
2124 { 0 },
2125 };
2126
2127 /* low level spic calls */
2128 #define ITERATIONS_LONG 10000
2129 #define ITERATIONS_SHORT 10
2130 #define wait_on_command(command, iterations) { \
2131 unsigned int n = iterations; \
2132 while (--n && (command)) \
2133 udelay(1); \
2134 if (!n) \
2135 dprintk("command failed at %s : %s (line %d)\n", \
2136 __FILE__, __func__, __LINE__); \
2137 }
2138
2139 static u8 sony_pic_call1(u8 dev)
2140 {
2141 u8 v1, v2;
2142
2143 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2144 ITERATIONS_LONG);
2145 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2146 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
2147 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
2148 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
2149 return v2;
2150 }
2151
2152 static u8 sony_pic_call2(u8 dev, u8 fn)
2153 {
2154 u8 v1;
2155
2156 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2157 ITERATIONS_LONG);
2158 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2159 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2160 ITERATIONS_LONG);
2161 outb(fn, spic_dev.cur_ioport->io1.minimum);
2162 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2163 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
2164 return v1;
2165 }
2166
2167 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
2168 {
2169 u8 v1;
2170
2171 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2172 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2173 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2174 outb(fn, spic_dev.cur_ioport->io1.minimum);
2175 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2176 outb(v, spic_dev.cur_ioport->io1.minimum);
2177 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2178 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
2179 dev, fn, v, v1);
2180 return v1;
2181 }
2182
2183 /*
2184 * minidrivers for SPIC models
2185 */
2186 static int type3_handle_irq(const u8 data_mask, const u8 ev)
2187 {
2188 /*
2189 * 0x31 could mean we have to take some extra action and wait for
2190 * the next irq for some Type3 models, it will generate a new
2191 * irq and we can read new data from the device:
2192 * - 0x5c and 0x5f requires 0xA0
2193 * - 0x61 requires 0xB3
2194 */
2195 if (data_mask == 0x31) {
2196 if (ev == 0x5c || ev == 0x5f)
2197 sony_pic_call1(0xA0);
2198 else if (ev == 0x61)
2199 sony_pic_call1(0xB3);
2200 return 0;
2201 }
2202 return 1;
2203 }
2204
2205 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
2206 {
2207 struct pci_dev *pcidev;
2208
2209 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2210 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
2211 if (pcidev) {
2212 dev->model = SONYPI_DEVICE_TYPE1;
2213 dev->evport_offset = SONYPI_TYPE1_OFFSET;
2214 dev->event_types = type1_events;
2215 goto out;
2216 }
2217
2218 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2219 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
2220 if (pcidev) {
2221 dev->model = SONYPI_DEVICE_TYPE2;
2222 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2223 dev->event_types = type2_events;
2224 goto out;
2225 }
2226
2227 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2228 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
2229 if (pcidev) {
2230 dev->model = SONYPI_DEVICE_TYPE3;
2231 dev->handle_irq = type3_handle_irq;
2232 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2233 dev->event_types = type3_events;
2234 goto out;
2235 }
2236
2237 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2238 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
2239 if (pcidev) {
2240 dev->model = SONYPI_DEVICE_TYPE3;
2241 dev->handle_irq = type3_handle_irq;
2242 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2243 dev->event_types = type3_events;
2244 goto out;
2245 }
2246
2247 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2248 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
2249 if (pcidev) {
2250 dev->model = SONYPI_DEVICE_TYPE3;
2251 dev->handle_irq = type3_handle_irq;
2252 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2253 dev->event_types = type3_events;
2254 goto out;
2255 }
2256
2257 /* default */
2258 dev->model = SONYPI_DEVICE_TYPE2;
2259 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2260 dev->event_types = type2_events;
2261
2262 out:
2263 if (pcidev)
2264 pci_dev_put(pcidev);
2265
2266 pr_info("detected Type%d model\n",
2267 dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
2268 dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
2269 }
2270
2271 /* camera tests and poweron/poweroff */
2272 #define SONYPI_CAMERA_PICTURE 5
2273 #define SONYPI_CAMERA_CONTROL 0x10
2274
2275 #define SONYPI_CAMERA_BRIGHTNESS 0
2276 #define SONYPI_CAMERA_CONTRAST 1
2277 #define SONYPI_CAMERA_HUE 2
2278 #define SONYPI_CAMERA_COLOR 3
2279 #define SONYPI_CAMERA_SHARPNESS 4
2280
2281 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
2282 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
2283 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
2284 #define SONYPI_CAMERA_MUTE_MASK 0x40
2285
2286 /* the rest don't need a loop until not 0xff */
2287 #define SONYPI_CAMERA_AGC 6
2288 #define SONYPI_CAMERA_AGC_MASK 0x30
2289 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
2290
2291 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
2292 #define SONYPI_CAMERA_CONTROL 0x10
2293
2294 #define SONYPI_CAMERA_STATUS 7
2295 #define SONYPI_CAMERA_STATUS_READY 0x2
2296 #define SONYPI_CAMERA_STATUS_POSITION 0x4
2297
2298 #define SONYPI_DIRECTION_BACKWARDS 0x4
2299
2300 #define SONYPI_CAMERA_REVISION 8
2301 #define SONYPI_CAMERA_ROMVERSION 9
2302
2303 static int __sony_pic_camera_ready(void)
2304 {
2305 u8 v;
2306
2307 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
2308 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
2309 }
2310
2311 static int __sony_pic_camera_off(void)
2312 {
2313 if (!camera) {
2314 pr_warn("camera control not enabled\n");
2315 return -ENODEV;
2316 }
2317
2318 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
2319 SONYPI_CAMERA_MUTE_MASK),
2320 ITERATIONS_SHORT);
2321
2322 if (spic_dev.camera_power) {
2323 sony_pic_call2(0x91, 0);
2324 spic_dev.camera_power = 0;
2325 }
2326 return 0;
2327 }
2328
2329 static int __sony_pic_camera_on(void)
2330 {
2331 int i, j, x;
2332
2333 if (!camera) {
2334 pr_warn("camera control not enabled\n");
2335 return -ENODEV;
2336 }
2337
2338 if (spic_dev.camera_power)
2339 return 0;
2340
2341 for (j = 5; j > 0; j--) {
2342
2343 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
2344 msleep(10);
2345 sony_pic_call1(0x93);
2346
2347 for (i = 400; i > 0; i--) {
2348 if (__sony_pic_camera_ready())
2349 break;
2350 msleep(10);
2351 }
2352 if (i)
2353 break;
2354 }
2355
2356 if (j == 0) {
2357 pr_warn("failed to power on camera\n");
2358 return -ENODEV;
2359 }
2360
2361 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
2362 0x5a),
2363 ITERATIONS_SHORT);
2364
2365 spic_dev.camera_power = 1;
2366 return 0;
2367 }
2368
2369 /* External camera command (exported to the motion eye v4l driver) */
2370 int sony_pic_camera_command(int command, u8 value)
2371 {
2372 if (!camera)
2373 return -EIO;
2374
2375 mutex_lock(&spic_dev.lock);
2376
2377 switch (command) {
2378 case SONY_PIC_COMMAND_SETCAMERA:
2379 if (value)
2380 __sony_pic_camera_on();
2381 else
2382 __sony_pic_camera_off();
2383 break;
2384 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
2385 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
2386 ITERATIONS_SHORT);
2387 break;
2388 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
2389 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
2390 ITERATIONS_SHORT);
2391 break;
2392 case SONY_PIC_COMMAND_SETCAMERAHUE:
2393 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
2394 ITERATIONS_SHORT);
2395 break;
2396 case SONY_PIC_COMMAND_SETCAMERACOLOR:
2397 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
2398 ITERATIONS_SHORT);
2399 break;
2400 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
2401 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
2402 ITERATIONS_SHORT);
2403 break;
2404 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
2405 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
2406 ITERATIONS_SHORT);
2407 break;
2408 case SONY_PIC_COMMAND_SETCAMERAAGC:
2409 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
2410 ITERATIONS_SHORT);
2411 break;
2412 default:
2413 pr_err("sony_pic_camera_command invalid: %d\n", command);
2414 break;
2415 }
2416 mutex_unlock(&spic_dev.lock);
2417 return 0;
2418 }
2419 EXPORT_SYMBOL(sony_pic_camera_command);
2420
2421 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2422 static void __sony_pic_set_wwanpower(u8 state)
2423 {
2424 state = !!state;
2425 if (spic_dev.wwan_power == state)
2426 return;
2427 sony_pic_call2(0xB0, state);
2428 sony_pic_call1(0x82);
2429 spic_dev.wwan_power = state;
2430 }
2431
2432 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2433 struct device_attribute *attr,
2434 const char *buffer, size_t count)
2435 {
2436 unsigned long value;
2437 if (count > 31)
2438 return -EINVAL;
2439
2440 value = simple_strtoul(buffer, NULL, 10);
2441 mutex_lock(&spic_dev.lock);
2442 __sony_pic_set_wwanpower(value);
2443 mutex_unlock(&spic_dev.lock);
2444
2445 return count;
2446 }
2447
2448 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2449 struct device_attribute *attr, char *buffer)
2450 {
2451 ssize_t count;
2452 mutex_lock(&spic_dev.lock);
2453 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2454 mutex_unlock(&spic_dev.lock);
2455 return count;
2456 }
2457
2458 /* bluetooth subsystem power state */
2459 static void __sony_pic_set_bluetoothpower(u8 state)
2460 {
2461 state = !!state;
2462 if (spic_dev.bluetooth_power == state)
2463 return;
2464 sony_pic_call2(0x96, state);
2465 sony_pic_call1(0x82);
2466 spic_dev.bluetooth_power = state;
2467 }
2468
2469 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2470 struct device_attribute *attr,
2471 const char *buffer, size_t count)
2472 {
2473 unsigned long value;
2474 if (count > 31)
2475 return -EINVAL;
2476
2477 value = simple_strtoul(buffer, NULL, 10);
2478 mutex_lock(&spic_dev.lock);
2479 __sony_pic_set_bluetoothpower(value);
2480 mutex_unlock(&spic_dev.lock);
2481
2482 return count;
2483 }
2484
2485 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2486 struct device_attribute *attr, char *buffer)
2487 {
2488 ssize_t count = 0;
2489 mutex_lock(&spic_dev.lock);
2490 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2491 mutex_unlock(&spic_dev.lock);
2492 return count;
2493 }
2494
2495 /* fan speed */
2496 /* FAN0 information (reverse engineered from ACPI tables) */
2497 #define SONY_PIC_FAN0_STATUS 0x93
2498 static int sony_pic_set_fanspeed(unsigned long value)
2499 {
2500 return ec_write(SONY_PIC_FAN0_STATUS, value);
2501 }
2502
2503 static int sony_pic_get_fanspeed(u8 *value)
2504 {
2505 return ec_read(SONY_PIC_FAN0_STATUS, value);
2506 }
2507
2508 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2509 struct device_attribute *attr,
2510 const char *buffer, size_t count)
2511 {
2512 unsigned long value;
2513 if (count > 31)
2514 return -EINVAL;
2515
2516 value = simple_strtoul(buffer, NULL, 10);
2517 if (sony_pic_set_fanspeed(value))
2518 return -EIO;
2519
2520 return count;
2521 }
2522
2523 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2524 struct device_attribute *attr, char *buffer)
2525 {
2526 u8 value = 0;
2527 if (sony_pic_get_fanspeed(&value))
2528 return -EIO;
2529
2530 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2531 }
2532
2533 #define SPIC_ATTR(_name, _mode) \
2534 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2535 _mode, sony_pic_## _name ##_show, \
2536 sony_pic_## _name ##_store)
2537
2538 static SPIC_ATTR(bluetoothpower, 0644);
2539 static SPIC_ATTR(wwanpower, 0644);
2540 static SPIC_ATTR(fanspeed, 0644);
2541
2542 static struct attribute *spic_attributes[] = {
2543 &spic_attr_bluetoothpower.attr,
2544 &spic_attr_wwanpower.attr,
2545 &spic_attr_fanspeed.attr,
2546 NULL
2547 };
2548
2549 static struct attribute_group spic_attribute_group = {
2550 .attrs = spic_attributes
2551 };
2552
2553 /******** SONYPI compatibility **********/
2554 #ifdef CONFIG_SONYPI_COMPAT
2555
2556 /* battery / brightness / temperature addresses */
2557 #define SONYPI_BAT_FLAGS 0x81
2558 #define SONYPI_LCD_LIGHT 0x96
2559 #define SONYPI_BAT1_PCTRM 0xa0
2560 #define SONYPI_BAT1_LEFT 0xa2
2561 #define SONYPI_BAT1_MAXRT 0xa4
2562 #define SONYPI_BAT2_PCTRM 0xa8
2563 #define SONYPI_BAT2_LEFT 0xaa
2564 #define SONYPI_BAT2_MAXRT 0xac
2565 #define SONYPI_BAT1_MAXTK 0xb0
2566 #define SONYPI_BAT1_FULL 0xb2
2567 #define SONYPI_BAT2_MAXTK 0xb8
2568 #define SONYPI_BAT2_FULL 0xba
2569 #define SONYPI_TEMP_STATUS 0xC1
2570
2571 struct sonypi_compat_s {
2572 struct fasync_struct *fifo_async;
2573 struct kfifo fifo;
2574 spinlock_t fifo_lock;
2575 wait_queue_head_t fifo_proc_list;
2576 atomic_t open_count;
2577 };
2578 static struct sonypi_compat_s sonypi_compat = {
2579 .open_count = ATOMIC_INIT(0),
2580 };
2581
2582 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2583 {
2584 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2585 }
2586
2587 static int sonypi_misc_release(struct inode *inode, struct file *file)
2588 {
2589 atomic_dec(&sonypi_compat.open_count);
2590 return 0;
2591 }
2592
2593 static int sonypi_misc_open(struct inode *inode, struct file *file)
2594 {
2595 /* Flush input queue on first open */
2596 unsigned long flags;
2597
2598 spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2599
2600 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2601 kfifo_reset(&sonypi_compat.fifo);
2602
2603 spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2604
2605 return 0;
2606 }
2607
2608 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2609 size_t count, loff_t *pos)
2610 {
2611 ssize_t ret;
2612 unsigned char c;
2613
2614 if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2615 (file->f_flags & O_NONBLOCK))
2616 return -EAGAIN;
2617
2618 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2619 kfifo_len(&sonypi_compat.fifo) != 0);
2620 if (ret)
2621 return ret;
2622
2623 while (ret < count &&
2624 (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2625 &sonypi_compat.fifo_lock) == sizeof(c))) {
2626 if (put_user(c, buf++))
2627 return -EFAULT;
2628 ret++;
2629 }
2630
2631 if (ret > 0) {
2632 struct inode *inode = file->f_path.dentry->d_inode;
2633 inode->i_atime = current_fs_time(inode->i_sb);
2634 }
2635
2636 return ret;
2637 }
2638
2639 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2640 {
2641 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2642 if (kfifo_len(&sonypi_compat.fifo))
2643 return POLLIN | POLLRDNORM;
2644 return 0;
2645 }
2646
2647 static int ec_read16(u8 addr, u16 *value)
2648 {
2649 u8 val_lb, val_hb;
2650 if (ec_read(addr, &val_lb))
2651 return -1;
2652 if (ec_read(addr + 1, &val_hb))
2653 return -1;
2654 *value = val_lb | (val_hb << 8);
2655 return 0;
2656 }
2657
2658 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2659 unsigned long arg)
2660 {
2661 int ret = 0;
2662 void __user *argp = (void __user *)arg;
2663 u8 val8;
2664 u16 val16;
2665 int value;
2666
2667 mutex_lock(&spic_dev.lock);
2668 switch (cmd) {
2669 case SONYPI_IOCGBRT:
2670 if (sony_bl_props.dev == NULL) {
2671 ret = -EIO;
2672 break;
2673 }
2674 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2675 ret = -EIO;
2676 break;
2677 }
2678 val8 = ((value & 0xff) - 1) << 5;
2679 if (copy_to_user(argp, &val8, sizeof(val8)))
2680 ret = -EFAULT;
2681 break;
2682 case SONYPI_IOCSBRT:
2683 if (sony_bl_props.dev == NULL) {
2684 ret = -EIO;
2685 break;
2686 }
2687 if (copy_from_user(&val8, argp, sizeof(val8))) {
2688 ret = -EFAULT;
2689 break;
2690 }
2691 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2692 (val8 >> 5) + 1, NULL)) {
2693 ret = -EIO;
2694 break;
2695 }
2696 /* sync the backlight device status */
2697 sony_bl_props.dev->props.brightness =
2698 sony_backlight_get_brightness(sony_bl_props.dev);
2699 break;
2700 case SONYPI_IOCGBAT1CAP:
2701 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2702 ret = -EIO;
2703 break;
2704 }
2705 if (copy_to_user(argp, &val16, sizeof(val16)))
2706 ret = -EFAULT;
2707 break;
2708 case SONYPI_IOCGBAT1REM:
2709 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2710 ret = -EIO;
2711 break;
2712 }
2713 if (copy_to_user(argp, &val16, sizeof(val16)))
2714 ret = -EFAULT;
2715 break;
2716 case SONYPI_IOCGBAT2CAP:
2717 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2718 ret = -EIO;
2719 break;
2720 }
2721 if (copy_to_user(argp, &val16, sizeof(val16)))
2722 ret = -EFAULT;
2723 break;
2724 case SONYPI_IOCGBAT2REM:
2725 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2726 ret = -EIO;
2727 break;
2728 }
2729 if (copy_to_user(argp, &val16, sizeof(val16)))
2730 ret = -EFAULT;
2731 break;
2732 case SONYPI_IOCGBATFLAGS:
2733 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2734 ret = -EIO;
2735 break;
2736 }
2737 val8 &= 0x07;
2738 if (copy_to_user(argp, &val8, sizeof(val8)))
2739 ret = -EFAULT;
2740 break;
2741 case SONYPI_IOCGBLUE:
2742 val8 = spic_dev.bluetooth_power;
2743 if (copy_to_user(argp, &val8, sizeof(val8)))
2744 ret = -EFAULT;
2745 break;
2746 case SONYPI_IOCSBLUE:
2747 if (copy_from_user(&val8, argp, sizeof(val8))) {
2748 ret = -EFAULT;
2749 break;
2750 }
2751 __sony_pic_set_bluetoothpower(val8);
2752 break;
2753 /* FAN Controls */
2754 case SONYPI_IOCGFAN:
2755 if (sony_pic_get_fanspeed(&val8)) {
2756 ret = -EIO;
2757 break;
2758 }
2759 if (copy_to_user(argp, &val8, sizeof(val8)))
2760 ret = -EFAULT;
2761 break;
2762 case SONYPI_IOCSFAN:
2763 if (copy_from_user(&val8, argp, sizeof(val8))) {
2764 ret = -EFAULT;
2765 break;
2766 }
2767 if (sony_pic_set_fanspeed(val8))
2768 ret = -EIO;
2769 break;
2770 /* GET Temperature (useful under APM) */
2771 case SONYPI_IOCGTEMP:
2772 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2773 ret = -EIO;
2774 break;
2775 }
2776 if (copy_to_user(argp, &val8, sizeof(val8)))
2777 ret = -EFAULT;
2778 break;
2779 default:
2780 ret = -EINVAL;
2781 }
2782 mutex_unlock(&spic_dev.lock);
2783 return ret;
2784 }
2785
2786 static const struct file_operations sonypi_misc_fops = {
2787 .owner = THIS_MODULE,
2788 .read = sonypi_misc_read,
2789 .poll = sonypi_misc_poll,
2790 .open = sonypi_misc_open,
2791 .release = sonypi_misc_release,
2792 .fasync = sonypi_misc_fasync,
2793 .unlocked_ioctl = sonypi_misc_ioctl,
2794 .llseek = noop_llseek,
2795 };
2796
2797 static struct miscdevice sonypi_misc_device = {
2798 .minor = MISC_DYNAMIC_MINOR,
2799 .name = "sonypi",
2800 .fops = &sonypi_misc_fops,
2801 };
2802
2803 static void sonypi_compat_report_event(u8 event)
2804 {
2805 kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2806 sizeof(event), &sonypi_compat.fifo_lock);
2807 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2808 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2809 }
2810
2811 static int sonypi_compat_init(void)
2812 {
2813 int error;
2814
2815 spin_lock_init(&sonypi_compat.fifo_lock);
2816 error =
2817 kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2818 if (error) {
2819 pr_err("kfifo_alloc failed\n");
2820 return error;
2821 }
2822
2823 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2824
2825 if (minor != -1)
2826 sonypi_misc_device.minor = minor;
2827 error = misc_register(&sonypi_misc_device);
2828 if (error) {
2829 pr_err("misc_register failed\n");
2830 goto err_free_kfifo;
2831 }
2832 if (minor == -1)
2833 pr_info("device allocated minor is %d\n",
2834 sonypi_misc_device.minor);
2835
2836 return 0;
2837
2838 err_free_kfifo:
2839 kfifo_free(&sonypi_compat.fifo);
2840 return error;
2841 }
2842
2843 static void sonypi_compat_exit(void)
2844 {
2845 misc_deregister(&sonypi_misc_device);
2846 kfifo_free(&sonypi_compat.fifo);
2847 }
2848 #else
2849 static int sonypi_compat_init(void) { return 0; }
2850 static void sonypi_compat_exit(void) { }
2851 static void sonypi_compat_report_event(u8 event) { }
2852 #endif /* CONFIG_SONYPI_COMPAT */
2853
2854 /*
2855 * ACPI callbacks
2856 */
2857 static acpi_status
2858 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2859 {
2860 u32 i;
2861 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2862
2863 switch (resource->type) {
2864 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2865 {
2866 /* start IO enumeration */
2867 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2868 if (!ioport)
2869 return AE_ERROR;
2870
2871 list_add(&ioport->list, &dev->ioports);
2872 return AE_OK;
2873 }
2874
2875 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2876 /* end IO enumeration */
2877 return AE_OK;
2878
2879 case ACPI_RESOURCE_TYPE_IRQ:
2880 {
2881 struct acpi_resource_irq *p = &resource->data.irq;
2882 struct sony_pic_irq *interrupt = NULL;
2883 if (!p || !p->interrupt_count) {
2884 /*
2885 * IRQ descriptors may have no IRQ# bits set,
2886 * particularly those those w/ _STA disabled
2887 */
2888 dprintk("Blank IRQ resource\n");
2889 return AE_OK;
2890 }
2891 for (i = 0; i < p->interrupt_count; i++) {
2892 if (!p->interrupts[i]) {
2893 pr_warn("Invalid IRQ %d\n",
2894 p->interrupts[i]);
2895 continue;
2896 }
2897 interrupt = kzalloc(sizeof(*interrupt),
2898 GFP_KERNEL);
2899 if (!interrupt)
2900 return AE_ERROR;
2901
2902 list_add(&interrupt->list, &dev->interrupts);
2903 interrupt->irq.triggering = p->triggering;
2904 interrupt->irq.polarity = p->polarity;
2905 interrupt->irq.sharable = p->sharable;
2906 interrupt->irq.interrupt_count = 1;
2907 interrupt->irq.interrupts[0] = p->interrupts[i];
2908 }
2909 return AE_OK;
2910 }
2911 case ACPI_RESOURCE_TYPE_IO:
2912 {
2913 struct acpi_resource_io *io = &resource->data.io;
2914 struct sony_pic_ioport *ioport =
2915 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2916 if (!io) {
2917 dprintk("Blank IO resource\n");
2918 return AE_OK;
2919 }
2920
2921 if (!ioport->io1.minimum) {
2922 memcpy(&ioport->io1, io, sizeof(*io));
2923 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2924 ioport->io1.address_length);
2925 }
2926 else if (!ioport->io2.minimum) {
2927 memcpy(&ioport->io2, io, sizeof(*io));
2928 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2929 ioport->io2.address_length);
2930 }
2931 else {
2932 pr_err("Unknown SPIC Type, more than 2 IO Ports\n");
2933 return AE_ERROR;
2934 }
2935 return AE_OK;
2936 }
2937 default:
2938 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2939 resource->type);
2940
2941 case ACPI_RESOURCE_TYPE_END_TAG:
2942 return AE_OK;
2943 }
2944 return AE_CTRL_TERMINATE;
2945 }
2946
2947 static int sony_pic_possible_resources(struct acpi_device *device)
2948 {
2949 int result = 0;
2950 acpi_status status = AE_OK;
2951
2952 if (!device)
2953 return -EINVAL;
2954
2955 /* get device status */
2956 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2957 dprintk("Evaluating _STA\n");
2958 result = acpi_bus_get_status(device);
2959 if (result) {
2960 pr_warn("Unable to read status\n");
2961 goto end;
2962 }
2963
2964 if (!device->status.enabled)
2965 dprintk("Device disabled\n");
2966 else
2967 dprintk("Device enabled\n");
2968
2969 /*
2970 * Query and parse 'method'
2971 */
2972 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2973 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2974 sony_pic_read_possible_resource, &spic_dev);
2975 if (ACPI_FAILURE(status)) {
2976 pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS);
2977 result = -ENODEV;
2978 }
2979 end:
2980 return result;
2981 }
2982
2983 /*
2984 * Disable the spic device by calling its _DIS method
2985 */
2986 static int sony_pic_disable(struct acpi_device *device)
2987 {
2988 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2989 NULL);
2990
2991 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2992 return -ENXIO;
2993
2994 dprintk("Device disabled\n");
2995 return 0;
2996 }
2997
2998
2999 /*
3000 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
3001 *
3002 * Call _SRS to set current resources
3003 */
3004 static int sony_pic_enable(struct acpi_device *device,
3005 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
3006 {
3007 acpi_status status;
3008 int result = 0;
3009 /* Type 1 resource layout is:
3010 * IO
3011 * IO
3012 * IRQNoFlags
3013 * End
3014 *
3015 * Type 2 and 3 resource layout is:
3016 * IO
3017 * IRQNoFlags
3018 * End
3019 */
3020 struct {
3021 struct acpi_resource res1;
3022 struct acpi_resource res2;
3023 struct acpi_resource res3;
3024 struct acpi_resource res4;
3025 } *resource;
3026 struct acpi_buffer buffer = { 0, NULL };
3027
3028 if (!ioport || !irq)
3029 return -EINVAL;
3030
3031 /* init acpi_buffer */
3032 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
3033 if (!resource)
3034 return -ENOMEM;
3035
3036 buffer.length = sizeof(*resource) + 1;
3037 buffer.pointer = resource;
3038
3039 /* setup Type 1 resources */
3040 if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
3041
3042 /* setup io resources */
3043 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3044 resource->res1.length = sizeof(struct acpi_resource);
3045 memcpy(&resource->res1.data.io, &ioport->io1,
3046 sizeof(struct acpi_resource_io));
3047
3048 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
3049 resource->res2.length = sizeof(struct acpi_resource);
3050 memcpy(&resource->res2.data.io, &ioport->io2,
3051 sizeof(struct acpi_resource_io));
3052
3053 /* setup irq resource */
3054 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
3055 resource->res3.length = sizeof(struct acpi_resource);
3056 memcpy(&resource->res3.data.irq, &irq->irq,
3057 sizeof(struct acpi_resource_irq));
3058 /* we requested a shared irq */
3059 resource->res3.data.irq.sharable = ACPI_SHARED;
3060
3061 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
3062
3063 }
3064 /* setup Type 2/3 resources */
3065 else {
3066 /* setup io resource */
3067 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
3068 resource->res1.length = sizeof(struct acpi_resource);
3069 memcpy(&resource->res1.data.io, &ioport->io1,
3070 sizeof(struct acpi_resource_io));
3071
3072 /* setup irq resource */
3073 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
3074 resource->res2.length = sizeof(struct acpi_resource);
3075 memcpy(&resource->res2.data.irq, &irq->irq,
3076 sizeof(struct acpi_resource_irq));
3077 /* we requested a shared irq */
3078 resource->res2.data.irq.sharable = ACPI_SHARED;
3079
3080 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
3081 }
3082
3083 /* Attempt to set the resource */
3084 dprintk("Evaluating _SRS\n");
3085 status = acpi_set_current_resources(device->handle, &buffer);
3086
3087 /* check for total failure */
3088 if (ACPI_FAILURE(status)) {
3089 pr_err("Error evaluating _SRS\n");
3090 result = -ENODEV;
3091 goto end;
3092 }
3093
3094 /* Necessary device initializations calls (from sonypi) */
3095 sony_pic_call1(0x82);
3096 sony_pic_call2(0x81, 0xff);
3097 sony_pic_call1(compat ? 0x92 : 0x82);
3098
3099 end:
3100 kfree(resource);
3101 return result;
3102 }
3103
3104 /*****************
3105 *
3106 * ISR: some event is available
3107 *
3108 *****************/
3109 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
3110 {
3111 int i, j;
3112 u8 ev = 0;
3113 u8 data_mask = 0;
3114 u8 device_event = 0;
3115
3116 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
3117
3118 ev = inb_p(dev->cur_ioport->io1.minimum);
3119 if (dev->cur_ioport->io2.minimum)
3120 data_mask = inb_p(dev->cur_ioport->io2.minimum);
3121 else
3122 data_mask = inb_p(dev->cur_ioport->io1.minimum +
3123 dev->evport_offset);
3124
3125 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3126 ev, data_mask, dev->cur_ioport->io1.minimum,
3127 dev->evport_offset);
3128
3129 if (ev == 0x00 || ev == 0xff)
3130 return IRQ_HANDLED;
3131
3132 for (i = 0; dev->event_types[i].mask; i++) {
3133
3134 if ((data_mask & dev->event_types[i].data) !=
3135 dev->event_types[i].data)
3136 continue;
3137
3138 if (!(mask & dev->event_types[i].mask))
3139 continue;
3140
3141 for (j = 0; dev->event_types[i].events[j].event; j++) {
3142 if (ev == dev->event_types[i].events[j].data) {
3143 device_event =
3144 dev->event_types[i].events[j].event;
3145 /* some events may require ignoring */
3146 if (!device_event)
3147 return IRQ_HANDLED;
3148 goto found;
3149 }
3150 }
3151 }
3152 /* Still not able to decode the event try to pass
3153 * it over to the minidriver
3154 */
3155 if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
3156 return IRQ_HANDLED;
3157
3158 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3159 ev, data_mask, dev->cur_ioport->io1.minimum,
3160 dev->evport_offset);
3161 return IRQ_HANDLED;
3162
3163 found:
3164 sony_laptop_report_input_event(device_event);
3165 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
3166 sonypi_compat_report_event(device_event);
3167 return IRQ_HANDLED;
3168 }
3169
3170 /*****************
3171 *
3172 * ACPI driver
3173 *
3174 *****************/
3175 static int sony_pic_remove(struct acpi_device *device, int type)
3176 {
3177 struct sony_pic_ioport *io, *tmp_io;
3178 struct sony_pic_irq *irq, *tmp_irq;
3179
3180 if (sony_pic_disable(device)) {
3181 pr_err("Couldn't disable device\n");
3182 return -ENXIO;
3183 }
3184
3185 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3186 release_region(spic_dev.cur_ioport->io1.minimum,
3187 spic_dev.cur_ioport->io1.address_length);
3188 if (spic_dev.cur_ioport->io2.minimum)
3189 release_region(spic_dev.cur_ioport->io2.minimum,
3190 spic_dev.cur_ioport->io2.address_length);
3191
3192 sonypi_compat_exit();
3193
3194 sony_laptop_remove_input();
3195
3196 /* pf attrs */
3197 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3198 sony_pf_remove();
3199
3200 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3201 list_del(&io->list);
3202 kfree(io);
3203 }
3204 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3205 list_del(&irq->list);
3206 kfree(irq);
3207 }
3208 spic_dev.cur_ioport = NULL;
3209 spic_dev.cur_irq = NULL;
3210
3211 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
3212 return 0;
3213 }
3214
3215 static int sony_pic_add(struct acpi_device *device)
3216 {
3217 int result;
3218 struct sony_pic_ioport *io, *tmp_io;
3219 struct sony_pic_irq *irq, *tmp_irq;
3220
3221 pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
3222
3223 spic_dev.acpi_dev = device;
3224 strcpy(acpi_device_class(device), "sony/hotkey");
3225 sony_pic_detect_device_type(&spic_dev);
3226 mutex_init(&spic_dev.lock);
3227
3228 /* read _PRS resources */
3229 result = sony_pic_possible_resources(device);
3230 if (result) {
3231 pr_err("Unable to read possible resources\n");
3232 goto err_free_resources;
3233 }
3234
3235 /* setup input devices and helper fifo */
3236 result = sony_laptop_setup_input(device);
3237 if (result) {
3238 pr_err("Unable to create input devices\n");
3239 goto err_free_resources;
3240 }
3241
3242 if (sonypi_compat_init())
3243 goto err_remove_input;
3244
3245 /* request io port */
3246 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
3247 if (request_region(io->io1.minimum, io->io1.address_length,
3248 "Sony Programmable I/O Device")) {
3249 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
3250 io->io1.minimum, io->io1.maximum,
3251 io->io1.address_length);
3252 /* Type 1 have 2 ioports */
3253 if (io->io2.minimum) {
3254 if (request_region(io->io2.minimum,
3255 io->io2.address_length,
3256 "Sony Programmable I/O Device")) {
3257 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
3258 io->io2.minimum, io->io2.maximum,
3259 io->io2.address_length);
3260 spic_dev.cur_ioport = io;
3261 break;
3262 }
3263 else {
3264 dprintk("Unable to get I/O port2: "
3265 "0x%.4x (0x%.4x) + 0x%.2x\n",
3266 io->io2.minimum, io->io2.maximum,
3267 io->io2.address_length);
3268 release_region(io->io1.minimum,
3269 io->io1.address_length);
3270 }
3271 }
3272 else {
3273 spic_dev.cur_ioport = io;
3274 break;
3275 }
3276 }
3277 }
3278 if (!spic_dev.cur_ioport) {
3279 pr_err("Failed to request_region\n");
3280 result = -ENODEV;
3281 goto err_remove_compat;
3282 }
3283
3284 /* request IRQ */
3285 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
3286 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
3287 0, "sony-laptop", &spic_dev)) {
3288 dprintk("IRQ: %d - triggering: %d - "
3289 "polarity: %d - shr: %d\n",
3290 irq->irq.interrupts[0],
3291 irq->irq.triggering,
3292 irq->irq.polarity,
3293 irq->irq.sharable);
3294 spic_dev.cur_irq = irq;
3295 break;
3296 }
3297 }
3298 if (!spic_dev.cur_irq) {
3299 pr_err("Failed to request_irq\n");
3300 result = -ENODEV;
3301 goto err_release_region;
3302 }
3303
3304 /* set resource status _SRS */
3305 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3306 if (result) {
3307 pr_err("Couldn't enable device\n");
3308 goto err_free_irq;
3309 }
3310
3311 spic_dev.bluetooth_power = -1;
3312 /* create device attributes */
3313 result = sony_pf_add();
3314 if (result)
3315 goto err_disable_device;
3316
3317 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3318 if (result)
3319 goto err_remove_pf;
3320
3321 return 0;
3322
3323 err_remove_pf:
3324 sony_pf_remove();
3325
3326 err_disable_device:
3327 sony_pic_disable(device);
3328
3329 err_free_irq:
3330 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3331
3332 err_release_region:
3333 release_region(spic_dev.cur_ioport->io1.minimum,
3334 spic_dev.cur_ioport->io1.address_length);
3335 if (spic_dev.cur_ioport->io2.minimum)
3336 release_region(spic_dev.cur_ioport->io2.minimum,
3337 spic_dev.cur_ioport->io2.address_length);
3338
3339 err_remove_compat:
3340 sonypi_compat_exit();
3341
3342 err_remove_input:
3343 sony_laptop_remove_input();
3344
3345 err_free_resources:
3346 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3347 list_del(&io->list);
3348 kfree(io);
3349 }
3350 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3351 list_del(&irq->list);
3352 kfree(irq);
3353 }
3354 spic_dev.cur_ioport = NULL;
3355 spic_dev.cur_irq = NULL;
3356
3357 return result;
3358 }
3359
3360 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
3361 {
3362 if (sony_pic_disable(device))
3363 return -ENXIO;
3364 return 0;
3365 }
3366
3367 static int sony_pic_resume(struct acpi_device *device)
3368 {
3369 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3370 return 0;
3371 }
3372
3373 static const struct acpi_device_id sony_pic_device_ids[] = {
3374 {SONY_PIC_HID, 0},
3375 {"", 0},
3376 };
3377
3378 static struct acpi_driver sony_pic_driver = {
3379 .name = SONY_PIC_DRIVER_NAME,
3380 .class = SONY_PIC_CLASS,
3381 .ids = sony_pic_device_ids,
3382 .owner = THIS_MODULE,
3383 .ops = {
3384 .add = sony_pic_add,
3385 .remove = sony_pic_remove,
3386 .suspend = sony_pic_suspend,
3387 .resume = sony_pic_resume,
3388 },
3389 };
3390
3391 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
3392 {
3393 .ident = "Sony Vaio",
3394 .matches = {
3395 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3396 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
3397 },
3398 },
3399 {
3400 .ident = "Sony Vaio",
3401 .matches = {
3402 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3403 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
3404 },
3405 },
3406 { }
3407 };
3408
3409 static int __init sony_laptop_init(void)
3410 {
3411 int result;
3412
3413 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
3414 result = acpi_bus_register_driver(&sony_pic_driver);
3415 if (result) {
3416 pr_err("Unable to register SPIC driver\n");
3417 goto out;
3418 }
3419 spic_drv_registered = 1;
3420 }
3421
3422 result = acpi_bus_register_driver(&sony_nc_driver);
3423 if (result) {
3424 pr_err("Unable to register SNC driver\n");
3425 goto out_unregister_pic;
3426 }
3427
3428 return 0;
3429
3430 out_unregister_pic:
3431 if (spic_drv_registered)
3432 acpi_bus_unregister_driver(&sony_pic_driver);
3433 out:
3434 return result;
3435 }
3436
3437 static void __exit sony_laptop_exit(void)
3438 {
3439 acpi_bus_unregister_driver(&sony_nc_driver);
3440 if (spic_drv_registered)
3441 acpi_bus_unregister_driver(&sony_pic_driver);
3442 }
3443
3444 module_init(sony_laptop_init);
3445 module_exit(sony_laptop_exit);
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