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sony-laptop: Eliminate BKL in ioctls
[linux-2.6/btrfs-unstable.git] / drivers / platform / x86 / sony-laptop.c
blob813d0e03d9c5340dec8dbc5536cdce71003bd964
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 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 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/moduleparam.h>
48 #include <linux/init.h>
49 #include <linux/smp_lock.h>
50 #include <linux/types.h>
51 #include <linux/backlight.h>
52 #include <linux/platform_device.h>
53 #include <linux/err.h>
54 #include <linux/dmi.h>
55 #include <linux/pci.h>
56 #include <linux/interrupt.h>
57 #include <linux/delay.h>
58 #include <linux/input.h>
59 #include <linux/kfifo.h>
60 #include <linux/workqueue.h>
61 #include <linux/acpi.h>
62 #include <acpi/acpi_drivers.h>
63 #include <acpi/acpi_bus.h>
64 #include <asm/uaccess.h>
65 #include <linux/sonypi.h>
66 #include <linux/sony-laptop.h>
67 #include <linux/rfkill.h>
68 #ifdef CONFIG_SONYPI_COMPAT
69 #include <linux/poll.h>
70 #include <linux/miscdevice.h>
71 #endif
72
73 #define DRV_PFX "sony-laptop: "
74 #define dprintk(msg...) do { \
75 if (debug) printk(KERN_WARNING DRV_PFX msg); \
76 } while (0)
77
78 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
79
80 #define SONY_NC_CLASS "sony-nc"
81 #define SONY_NC_HID "SNY5001"
82 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
83
84 #define SONY_PIC_CLASS "sony-pic"
85 #define SONY_PIC_HID "SNY6001"
86 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
87
88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
90 MODULE_LICENSE("GPL");
91 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
92
93 static int debug;
94 module_param(debug, int, 0);
95 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
96 "the development of this driver");
97
98 static int no_spic; /* = 0 */
99 module_param(no_spic, int, 0444);
100 MODULE_PARM_DESC(no_spic,
101 "set this if you don't want to enable the SPIC device");
102
103 static int compat; /* = 0 */
104 module_param(compat, int, 0444);
105 MODULE_PARM_DESC(compat,
106 "set this if you want to enable backward compatibility mode");
107
108 static unsigned long mask = 0xffffffff;
109 module_param(mask, ulong, 0644);
110 MODULE_PARM_DESC(mask,
111 "set this to the mask of event you want to enable (see doc)");
112
113 static int camera; /* = 0 */
114 module_param(camera, int, 0444);
115 MODULE_PARM_DESC(camera,
116 "set this to 1 to enable Motion Eye camera controls "
117 "(only use it if you have a C1VE or C1VN model)");
118
119 #ifdef CONFIG_SONYPI_COMPAT
120 static int minor = -1;
121 module_param(minor, int, 0);
122 MODULE_PARM_DESC(minor,
123 "minor number of the misc device for the SPIC compatibility code, "
124 "default is -1 (automatic)");
125 #endif
126
127 enum sony_nc_rfkill {
128 SONY_WIFI,
129 SONY_BLUETOOTH,
130 SONY_WWAN,
131 SONY_WIMAX,
132 SONY_RFKILL_MAX,
133 };
134
135 static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
136 static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
137 static void sony_nc_rfkill_update(void);
138
139 /*********** Input Devices ***********/
140
141 #define SONY_LAPTOP_BUF_SIZE 128
142 struct sony_laptop_input_s {
143 atomic_t users;
144 struct input_dev *jog_dev;
145 struct input_dev *key_dev;
146 struct kfifo *fifo;
147 spinlock_t fifo_lock;
148 struct workqueue_struct *wq;
149 };
150
151 static struct sony_laptop_input_s sony_laptop_input = {
152 .users = ATOMIC_INIT(0),
153 };
154
155 struct sony_laptop_keypress {
156 struct input_dev *dev;
157 int key;
158 };
159
160 /* Correspondance table between sonypi events
161 * and input layer indexes in the keymap
162 */
163 static int sony_laptop_input_index[] = {
164 -1, /* 0 no event */
165 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
166 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
167 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
168 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
169 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
170 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
171 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
172 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
173 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
174 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
175 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
176 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
177 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
178 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
179 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
180 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
181 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
182 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
183 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
184 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
185 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
186 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
187 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
188 17, /* 24 SONYPI_EVENT_FNKEY_1 */
189 18, /* 25 SONYPI_EVENT_FNKEY_2 */
190 19, /* 26 SONYPI_EVENT_FNKEY_D */
191 20, /* 27 SONYPI_EVENT_FNKEY_E */
192 21, /* 28 SONYPI_EVENT_FNKEY_F */
193 22, /* 29 SONYPI_EVENT_FNKEY_S */
194 23, /* 30 SONYPI_EVENT_FNKEY_B */
195 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
196 25, /* 32 SONYPI_EVENT_PKEY_P1 */
197 26, /* 33 SONYPI_EVENT_PKEY_P2 */
198 27, /* 34 SONYPI_EVENT_PKEY_P3 */
199 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
200 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
201 -1, /* 37 SONYPI_EVENT_LID_OPENED */
202 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
203 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
204 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
205 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
206 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
207 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
208 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
209 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
210 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
211 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
212 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
213 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
214 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
215 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
216 43, /* 52 SONYPI_EVENT_MEYE_FACE */
217 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
218 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
219 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
220 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
221 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
222 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
223 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
224 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
225 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
226 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
227 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
228 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
229 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
230 53, /* 66 SONYPI_EVENT_PKEY_P4 */
231 54, /* 67 SONYPI_EVENT_PKEY_P5 */
232 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
233 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
234 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
235 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
236 };
237
238 static int sony_laptop_input_keycode_map[] = {
239 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
240 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
241 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
242 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
243 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
244 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
245 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
246 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
247 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
248 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
249 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
250 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
251 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
252 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
253 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
254 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
255 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
256 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
257 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
258 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
259 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
260 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
261 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
262 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
263 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
264 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
265 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
266 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
267 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
268 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
269 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
270 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
271 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
272 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
273 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
274 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
275 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
276 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
277 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
278 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
279 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
280 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
281 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
282 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
283 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
284 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
285 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
286 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
287 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
288 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
289 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
290 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
291 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
292 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
293 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
294 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
295 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
296 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
297 };
298
299 /* release buttons after a short delay if pressed */
300 static void do_sony_laptop_release_key(struct work_struct *work)
301 {
302 struct sony_laptop_keypress kp;
303
304 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
305 sizeof(kp)) == sizeof(kp)) {
306 msleep(10);
307 input_report_key(kp.dev, kp.key, 0);
308 input_sync(kp.dev);
309 }
310 }
311 static DECLARE_WORK(sony_laptop_release_key_work,
312 do_sony_laptop_release_key);
313
314 /* forward event to the input subsystem */
315 static void sony_laptop_report_input_event(u8 event)
316 {
317 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
318 struct input_dev *key_dev = sony_laptop_input.key_dev;
319 struct sony_laptop_keypress kp = { NULL };
320
321 if (event == SONYPI_EVENT_FNKEY_RELEASED) {
322 /* Nothing, not all VAIOs generate this event */
323 return;
324 }
325
326 /* report events */
327 switch (event) {
328 /* jog_dev events */
329 case SONYPI_EVENT_JOGDIAL_UP:
330 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
331 input_report_rel(jog_dev, REL_WHEEL, 1);
332 input_sync(jog_dev);
333 return;
334
335 case SONYPI_EVENT_JOGDIAL_DOWN:
336 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
337 input_report_rel(jog_dev, REL_WHEEL, -1);
338 input_sync(jog_dev);
339 return;
340
341 /* key_dev events */
342 case SONYPI_EVENT_JOGDIAL_PRESSED:
343 kp.key = BTN_MIDDLE;
344 kp.dev = jog_dev;
345 break;
346
347 default:
348 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
349 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
350 break;
351 }
352 if (sony_laptop_input_index[event] != -1) {
353 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
354 if (kp.key != KEY_UNKNOWN)
355 kp.dev = key_dev;
356 }
357 break;
358 }
359
360 if (kp.dev) {
361 input_report_key(kp.dev, kp.key, 1);
362 /* we emit the scancode so we can always remap the key */
363 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
364 input_sync(kp.dev);
365 kfifo_put(sony_laptop_input.fifo,
366 (unsigned char *)&kp, sizeof(kp));
367
368 if (!work_pending(&sony_laptop_release_key_work))
369 queue_work(sony_laptop_input.wq,
370 &sony_laptop_release_key_work);
371 } else
372 dprintk("unknown input event %.2x\n", event);
373 }
374
375 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
376 {
377 struct input_dev *jog_dev;
378 struct input_dev *key_dev;
379 int i;
380 int error;
381
382 /* don't run again if already initialized */
383 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
384 return 0;
385
386 /* kfifo */
387 spin_lock_init(&sony_laptop_input.fifo_lock);
388 sony_laptop_input.fifo =
389 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
390 &sony_laptop_input.fifo_lock);
391 if (IS_ERR(sony_laptop_input.fifo)) {
392 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
393 error = PTR_ERR(sony_laptop_input.fifo);
394 goto err_dec_users;
395 }
396
397 /* init workqueue */
398 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
399 if (!sony_laptop_input.wq) {
400 printk(KERN_ERR DRV_PFX
401 "Unabe to create workqueue.\n");
402 error = -ENXIO;
403 goto err_free_kfifo;
404 }
405
406 /* input keys */
407 key_dev = input_allocate_device();
408 if (!key_dev) {
409 error = -ENOMEM;
410 goto err_destroy_wq;
411 }
412
413 key_dev->name = "Sony Vaio Keys";
414 key_dev->id.bustype = BUS_ISA;
415 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
416 key_dev->dev.parent = &acpi_device->dev;
417
418 /* Initialize the Input Drivers: special keys */
419 set_bit(EV_KEY, key_dev->evbit);
420 set_bit(EV_MSC, key_dev->evbit);
421 set_bit(MSC_SCAN, key_dev->mscbit);
422 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
423 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
424 key_dev->keycode = &sony_laptop_input_keycode_map;
425 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
426 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
427 set_bit(sony_laptop_input_keycode_map[i],
428 key_dev->keybit);
429 }
430 }
431
432 error = input_register_device(key_dev);
433 if (error)
434 goto err_free_keydev;
435
436 sony_laptop_input.key_dev = key_dev;
437
438 /* jogdial */
439 jog_dev = input_allocate_device();
440 if (!jog_dev) {
441 error = -ENOMEM;
442 goto err_unregister_keydev;
443 }
444
445 jog_dev->name = "Sony Vaio Jogdial";
446 jog_dev->id.bustype = BUS_ISA;
447 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
448 key_dev->dev.parent = &acpi_device->dev;
449
450 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
451 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
452 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
453
454 error = input_register_device(jog_dev);
455 if (error)
456 goto err_free_jogdev;
457
458 sony_laptop_input.jog_dev = jog_dev;
459
460 return 0;
461
462 err_free_jogdev:
463 input_free_device(jog_dev);
464
465 err_unregister_keydev:
466 input_unregister_device(key_dev);
467 /* to avoid kref underflow below at input_free_device */
468 key_dev = NULL;
469
470 err_free_keydev:
471 input_free_device(key_dev);
472
473 err_destroy_wq:
474 destroy_workqueue(sony_laptop_input.wq);
475
476 err_free_kfifo:
477 kfifo_free(sony_laptop_input.fifo);
478
479 err_dec_users:
480 atomic_dec(&sony_laptop_input.users);
481 return error;
482 }
483
484 static void sony_laptop_remove_input(void)
485 {
486 /* cleanup only after the last user has gone */
487 if (!atomic_dec_and_test(&sony_laptop_input.users))
488 return;
489
490 /* flush workqueue first */
491 flush_workqueue(sony_laptop_input.wq);
492
493 /* destroy input devs */
494 input_unregister_device(sony_laptop_input.key_dev);
495 sony_laptop_input.key_dev = NULL;
496
497 if (sony_laptop_input.jog_dev) {
498 input_unregister_device(sony_laptop_input.jog_dev);
499 sony_laptop_input.jog_dev = NULL;
500 }
501
502 destroy_workqueue(sony_laptop_input.wq);
503 kfifo_free(sony_laptop_input.fifo);
504 }
505
506 /*********** Platform Device ***********/
507
508 static atomic_t sony_pf_users = ATOMIC_INIT(0);
509 static struct platform_driver sony_pf_driver = {
510 .driver = {
511 .name = "sony-laptop",
512 .owner = THIS_MODULE,
513 }
514 };
515 static struct platform_device *sony_pf_device;
516
517 static int sony_pf_add(void)
518 {
519 int ret = 0;
520
521 /* don't run again if already initialized */
522 if (atomic_add_return(1, &sony_pf_users) > 1)
523 return 0;
524
525 ret = platform_driver_register(&sony_pf_driver);
526 if (ret)
527 goto out;
528
529 sony_pf_device = platform_device_alloc("sony-laptop", -1);
530 if (!sony_pf_device) {
531 ret = -ENOMEM;
532 goto out_platform_registered;
533 }
534
535 ret = platform_device_add(sony_pf_device);
536 if (ret)
537 goto out_platform_alloced;
538
539 return 0;
540
541 out_platform_alloced:
542 platform_device_put(sony_pf_device);
543 sony_pf_device = NULL;
544 out_platform_registered:
545 platform_driver_unregister(&sony_pf_driver);
546 out:
547 atomic_dec(&sony_pf_users);
548 return ret;
549 }
550
551 static void sony_pf_remove(void)
552 {
553 /* deregister only after the last user has gone */
554 if (!atomic_dec_and_test(&sony_pf_users))
555 return;
556
557 platform_device_del(sony_pf_device);
558 platform_device_put(sony_pf_device);
559 platform_driver_unregister(&sony_pf_driver);
560 }
561
562 /*********** SNC (SNY5001) Device ***********/
563
564 /* the device uses 1-based values, while the backlight subsystem uses
565 0-based values */
566 #define SONY_MAX_BRIGHTNESS 8
567
568 #define SNC_VALIDATE_IN 0
569 #define SNC_VALIDATE_OUT 1
570
571 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
572 char *);
573 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
574 const char *, size_t);
575 static int boolean_validate(const int, const int);
576 static int brightness_default_validate(const int, const int);
577
578 struct sony_nc_value {
579 char *name; /* name of the entry */
580 char **acpiget; /* names of the ACPI get function */
581 char **acpiset; /* names of the ACPI set function */
582 int (*validate)(const int, const int); /* input/output validation */
583 int value; /* current setting */
584 int valid; /* Has ever been set */
585 int debug; /* active only in debug mode ? */
586 struct device_attribute devattr; /* sysfs atribute */
587 };
588
589 #define SNC_HANDLE_NAMES(_name, _values...) \
590 static char *snc_##_name[] = { _values, NULL }
591
592 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
593 { \
594 .name = __stringify(_name), \
595 .acpiget = _getters, \
596 .acpiset = _setters, \
597 .validate = _validate, \
598 .debug = _debug, \
599 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
600 }
601
602 #define SNC_HANDLE_NULL { .name = NULL }
603
604 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
605
606 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
607 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
608
609 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
610 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
611
612 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
613 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
614
615 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
616 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
617
618 SNC_HANDLE_NAMES(lidstate_get, "GLID");
619
620 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
621 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
622
623 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
624 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
625
626 SNC_HANDLE_NAMES(PID_get, "GPID");
627
628 SNC_HANDLE_NAMES(CTR_get, "GCTR");
629 SNC_HANDLE_NAMES(CTR_set, "SCTR");
630
631 SNC_HANDLE_NAMES(PCR_get, "GPCR");
632 SNC_HANDLE_NAMES(PCR_set, "SPCR");
633
634 SNC_HANDLE_NAMES(CMI_get, "GCMI");
635 SNC_HANDLE_NAMES(CMI_set, "SCMI");
636
637 static struct sony_nc_value sony_nc_values[] = {
638 SNC_HANDLE(brightness_default, snc_brightness_def_get,
639 snc_brightness_def_set, brightness_default_validate, 0),
640 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
641 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
642 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
643 boolean_validate, 0),
644 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
645 boolean_validate, 1),
646 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
647 boolean_validate, 0),
648 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
649 boolean_validate, 0),
650 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
651 boolean_validate, 0),
652 /* unknown methods */
653 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
654 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
655 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
656 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
657 SNC_HANDLE_NULL
658 };
659
660 static acpi_handle sony_nc_acpi_handle;
661 static struct acpi_device *sony_nc_acpi_device = NULL;
662
663 /*
664 * acpi_evaluate_object wrappers
665 */
666 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
667 {
668 struct acpi_buffer output;
669 union acpi_object out_obj;
670 acpi_status status;
671
672 output.length = sizeof(out_obj);
673 output.pointer = &out_obj;
674
675 status = acpi_evaluate_object(handle, name, NULL, &output);
676 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
677 *result = out_obj.integer.value;
678 return 0;
679 }
680
681 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
682
683 return -1;
684 }
685
686 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
687 int *result)
688 {
689 struct acpi_object_list params;
690 union acpi_object in_obj;
691 struct acpi_buffer output;
692 union acpi_object out_obj;
693 acpi_status status;
694
695 params.count = 1;
696 params.pointer = &in_obj;
697 in_obj.type = ACPI_TYPE_INTEGER;
698 in_obj.integer.value = value;
699
700 output.length = sizeof(out_obj);
701 output.pointer = &out_obj;
702
703 status = acpi_evaluate_object(handle, name, &params, &output);
704 if (status == AE_OK) {
705 if (result != NULL) {
706 if (out_obj.type != ACPI_TYPE_INTEGER) {
707 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
708 "return type\n");
709 return -1;
710 }
711 *result = out_obj.integer.value;
712 }
713 return 0;
714 }
715
716 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
717
718 return -1;
719 }
720
721 static int sony_find_snc_handle(int handle)
722 {
723 int i;
724 int result;
725
726 for (i = 0x20; i < 0x30; i++) {
727 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
728 if (result == handle)
729 return i-0x20;
730 }
731
732 return -1;
733 }
734
735 static int sony_call_snc_handle(int handle, int argument, int *result)
736 {
737 int offset = sony_find_snc_handle(handle);
738
739 if (offset < 0)
740 return -1;
741
742 return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
743 result);
744 }
745
746 /*
747 * sony_nc_values input/output validate functions
748 */
749
750 /* brightness_default_validate:
751 *
752 * manipulate input output values to keep consistency with the
753 * backlight framework for which brightness values are 0-based.
754 */
755 static int brightness_default_validate(const int direction, const int value)
756 {
757 switch (direction) {
758 case SNC_VALIDATE_OUT:
759 return value - 1;
760 case SNC_VALIDATE_IN:
761 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
762 return value + 1;
763 }
764 return -EINVAL;
765 }
766
767 /* boolean_validate:
768 *
769 * on input validate boolean values 0/1, on output just pass the
770 * received value.
771 */
772 static int boolean_validate(const int direction, const int value)
773 {
774 if (direction == SNC_VALIDATE_IN) {
775 if (value != 0 && value != 1)
776 return -EINVAL;
777 }
778 return value;
779 }
780
781 /*
782 * Sysfs show/store common to all sony_nc_values
783 */
784 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
785 char *buffer)
786 {
787 int value;
788 struct sony_nc_value *item =
789 container_of(attr, struct sony_nc_value, devattr);
790
791 if (!*item->acpiget)
792 return -EIO;
793
794 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
795 return -EIO;
796
797 if (item->validate)
798 value = item->validate(SNC_VALIDATE_OUT, value);
799
800 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
801 }
802
803 static ssize_t sony_nc_sysfs_store(struct device *dev,
804 struct device_attribute *attr,
805 const char *buffer, size_t count)
806 {
807 int value;
808 struct sony_nc_value *item =
809 container_of(attr, struct sony_nc_value, devattr);
810
811 if (!item->acpiset)
812 return -EIO;
813
814 if (count > 31)
815 return -EINVAL;
816
817 value = simple_strtoul(buffer, NULL, 10);
818
819 if (item->validate)
820 value = item->validate(SNC_VALIDATE_IN, value);
821
822 if (value < 0)
823 return value;
824
825 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
826 return -EIO;
827 item->value = value;
828 item->valid = 1;
829 return count;
830 }
831
832
833 /*
834 * Backlight device
835 */
836 static int sony_backlight_update_status(struct backlight_device *bd)
837 {
838 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
839 bd->props.brightness + 1, NULL);
840 }
841
842 static int sony_backlight_get_brightness(struct backlight_device *bd)
843 {
844 int value;
845
846 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
847 return 0;
848 /* brightness levels are 1-based, while backlight ones are 0-based */
849 return value - 1;
850 }
851
852 static struct backlight_device *sony_backlight_device;
853 static struct backlight_ops sony_backlight_ops = {
854 .update_status = sony_backlight_update_status,
855 .get_brightness = sony_backlight_get_brightness,
856 };
857
858 /*
859 * New SNC-only Vaios event mapping to driver known keys
860 */
861 struct sony_nc_event {
862 u8 data;
863 u8 event;
864 };
865
866 static struct sony_nc_event sony_100_events[] = {
867 { 0x90, SONYPI_EVENT_PKEY_P1 },
868 { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
869 { 0x91, SONYPI_EVENT_PKEY_P1 },
870 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
871 { 0x81, SONYPI_EVENT_FNKEY_F1 },
872 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
873 { 0x85, SONYPI_EVENT_FNKEY_F5 },
874 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
875 { 0x86, SONYPI_EVENT_FNKEY_F6 },
876 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
877 { 0x87, SONYPI_EVENT_FNKEY_F7 },
878 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
879 { 0x89, SONYPI_EVENT_FNKEY_F9 },
880 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
881 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
882 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
883 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
884 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
885 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
886 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
887 { 0, 0 },
888 };
889
890 static struct sony_nc_event sony_127_events[] = {
891 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
892 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
893 { 0x82, SONYPI_EVENT_PKEY_P1 },
894 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
895 { 0x83, SONYPI_EVENT_PKEY_P2 },
896 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
897 { 0x84, SONYPI_EVENT_PKEY_P3 },
898 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
899 { 0x85, SONYPI_EVENT_PKEY_P4 },
900 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
901 { 0x86, SONYPI_EVENT_PKEY_P5 },
902 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
903 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
904 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
905 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
906 { 0, 0 },
907 };
908
909 /*
910 * ACPI callbacks
911 */
912 static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
913 {
914 u32 ev = event;
915 int result;
916
917 if (ev >= 0x90) {
918 /* New-style event */
919 int key_handle = 0;
920 ev -= 0x90;
921
922 if (sony_find_snc_handle(0x100) == ev)
923 key_handle = 0x100;
924 if (sony_find_snc_handle(0x127) == ev)
925 key_handle = 0x127;
926
927 if (handle) {
928 struct sony_nc_event *key_event;
929
930 if (sony_call_snc_handle(key_handle, 0x200, &result))
931 dprintk("sony_acpi_notify, unable to decode"
932 " event 0x%.2x 0x%.2x\n", key_handle,
933 ev);
934 else
935 ev = result & 0xFF;
936
937 if (key_handle == 0x100)
938 key_event = sony_100_events;
939 else
940 key_event = sony_127_events;
941
942 for (; key_event->data; key_event++) {
943 if (key_event->data == ev) {
944 ev = key_event->event;
945 break;
946 }
947 }
948
949 if (!key_event->data) {
950 printk(KERN_INFO DRV_PFX
951 "Unknown event: 0x%x 0x%x\n", key_handle,
952 ev);
953 }
954 } else if (sony_find_snc_handle(0x124) == ev) {
955 sony_nc_rfkill_update();
956 return;
957 }
958 }
959
960 dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
961 sony_laptop_report_input_event(ev);
962 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
963 }
964
965 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
966 void *context, void **return_value)
967 {
968 struct acpi_device_info *info;
969 struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
970
971 if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
972 info = buffer.pointer;
973
974 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
975 (char *)&info->name, info->param_count);
976
977 kfree(buffer.pointer);
978 }
979
980 return AE_OK;
981 }
982
983 /*
984 * ACPI device
985 */
986 static int sony_nc_function_setup(struct acpi_device *device)
987 {
988 int result;
989
990 /* Enable all events */
991 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
992
993 /* Setup hotkeys */
994 sony_call_snc_handle(0x0100, 0, &result);
995 sony_call_snc_handle(0x0101, 0, &result);
996 sony_call_snc_handle(0x0102, 0x100, &result);
997
998 return 0;
999 }
1000
1001 static int sony_nc_resume(struct acpi_device *device)
1002 {
1003 struct sony_nc_value *item;
1004 acpi_handle handle;
1005
1006 for (item = sony_nc_values; item->name; item++) {
1007 int ret;
1008
1009 if (!item->valid)
1010 continue;
1011 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1012 item->value, NULL);
1013 if (ret < 0) {
1014 printk("%s: %d\n", __func__, ret);
1015 break;
1016 }
1017 }
1018
1019 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1020 &handle))) {
1021 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1022 dprintk("ECON Method failed\n");
1023 }
1024
1025 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1026 &handle))) {
1027 dprintk("Doing SNC setup\n");
1028 sony_nc_function_setup(device);
1029 }
1030
1031 /* set the last requested brightness level */
1032 if (sony_backlight_device &&
1033 !sony_backlight_update_status(sony_backlight_device))
1034 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1035
1036 return 0;
1037 }
1038
1039 static void sony_nc_rfkill_cleanup(void)
1040 {
1041 int i;
1042
1043 for (i = 0; i < SONY_RFKILL_MAX; i++) {
1044 if (sony_rfkill_devices[i])
1045 rfkill_unregister(sony_rfkill_devices[i]);
1046 }
1047 }
1048
1049 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
1050 {
1051 int result;
1052 int argument = sony_rfkill_address[(long) data];
1053
1054 sony_call_snc_handle(0x124, 0x200, &result);
1055 if (result & 0x1) {
1056 sony_call_snc_handle(0x124, argument, &result);
1057 if (result & 0xf)
1058 *state = RFKILL_STATE_UNBLOCKED;
1059 else
1060 *state = RFKILL_STATE_SOFT_BLOCKED;
1061 } else {
1062 *state = RFKILL_STATE_HARD_BLOCKED;
1063 }
1064
1065 return 0;
1066 }
1067
1068 static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
1069 {
1070 int result;
1071 int argument = sony_rfkill_address[(long) data] + 0x100;
1072
1073 if (state == RFKILL_STATE_UNBLOCKED)
1074 argument |= 0xff0000;
1075
1076 return sony_call_snc_handle(0x124, argument, &result);
1077 }
1078
1079 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
1080 {
1081 int err = 0;
1082 struct rfkill *sony_wifi_rfkill;
1083
1084 sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
1085 if (!sony_wifi_rfkill)
1086 return -1;
1087 sony_wifi_rfkill->name = "sony-wifi";
1088 sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
1089 sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
1090 sony_wifi_rfkill->user_claim_unsupported = 1;
1091 sony_wifi_rfkill->data = (void *)SONY_WIFI;
1092 err = rfkill_register(sony_wifi_rfkill);
1093 if (err)
1094 rfkill_free(sony_wifi_rfkill);
1095 else
1096 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
1097 return err;
1098 }
1099
1100 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
1101 {
1102 int err = 0;
1103 struct rfkill *sony_bluetooth_rfkill;
1104
1105 sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
1106 RFKILL_TYPE_BLUETOOTH);
1107 if (!sony_bluetooth_rfkill)
1108 return -1;
1109 sony_bluetooth_rfkill->name = "sony-bluetooth";
1110 sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
1111 sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
1112 sony_bluetooth_rfkill->user_claim_unsupported = 1;
1113 sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
1114 err = rfkill_register(sony_bluetooth_rfkill);
1115 if (err)
1116 rfkill_free(sony_bluetooth_rfkill);
1117 else
1118 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
1119 return err;
1120 }
1121
1122 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
1123 {
1124 int err = 0;
1125 struct rfkill *sony_wwan_rfkill;
1126
1127 sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
1128 if (!sony_wwan_rfkill)
1129 return -1;
1130 sony_wwan_rfkill->name = "sony-wwan";
1131 sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
1132 sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
1133 sony_wwan_rfkill->user_claim_unsupported = 1;
1134 sony_wwan_rfkill->data = (void *)SONY_WWAN;
1135 err = rfkill_register(sony_wwan_rfkill);
1136 if (err)
1137 rfkill_free(sony_wwan_rfkill);
1138 else
1139 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
1140 return err;
1141 }
1142
1143 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
1144 {
1145 int err = 0;
1146 struct rfkill *sony_wimax_rfkill;
1147
1148 sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
1149 if (!sony_wimax_rfkill)
1150 return -1;
1151 sony_wimax_rfkill->name = "sony-wimax";
1152 sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
1153 sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
1154 sony_wimax_rfkill->user_claim_unsupported = 1;
1155 sony_wimax_rfkill->data = (void *)SONY_WIMAX;
1156 err = rfkill_register(sony_wimax_rfkill);
1157 if (err)
1158 rfkill_free(sony_wimax_rfkill);
1159 else
1160 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
1161 return err;
1162 }
1163
1164 static void sony_nc_rfkill_update()
1165 {
1166 int i;
1167 enum rfkill_state state;
1168
1169 for (i = 0; i < SONY_RFKILL_MAX; i++) {
1170 if (sony_rfkill_devices[i]) {
1171 sony_rfkill_devices[i]->
1172 get_state(sony_rfkill_devices[i]->data,
1173 &state);
1174 rfkill_force_state(sony_rfkill_devices[i], state);
1175 }
1176 }
1177 }
1178
1179 static int sony_nc_rfkill_setup(struct acpi_device *device)
1180 {
1181 int result, ret;
1182
1183 if (sony_find_snc_handle(0x124) == -1)
1184 return -1;
1185
1186 ret = sony_call_snc_handle(0x124, 0xb00, &result);
1187 if (ret) {
1188 printk(KERN_INFO DRV_PFX
1189 "Unable to enumerate rfkill devices: %x\n", ret);
1190 return ret;
1191 }
1192
1193 if (result & 0x1)
1194 sony_nc_setup_wifi_rfkill(device);
1195 if (result & 0x2)
1196 sony_nc_setup_bluetooth_rfkill(device);
1197 if (result & 0x1c)
1198 sony_nc_setup_wwan_rfkill(device);
1199 if (result & 0x20)
1200 sony_nc_setup_wimax_rfkill(device);
1201
1202 return 0;
1203 }
1204
1205 static int sony_nc_add(struct acpi_device *device)
1206 {
1207 acpi_status status;
1208 int result = 0;
1209 acpi_handle handle;
1210 struct sony_nc_value *item;
1211
1212 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1213 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1214
1215 sony_nc_acpi_device = device;
1216 strcpy(acpi_device_class(device), "sony/hotkey");
1217
1218 sony_nc_acpi_handle = device->handle;
1219
1220 /* read device status */
1221 result = acpi_bus_get_status(device);
1222 /* bail IFF the above call was successful and the device is not present */
1223 if (!result && !device->status.present) {
1224 dprintk("Device not present\n");
1225 result = -ENODEV;
1226 goto outwalk;
1227 }
1228
1229 if (debug) {
1230 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1231 1, sony_walk_callback, NULL, NULL);
1232 if (ACPI_FAILURE(status)) {
1233 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1234 result = -ENODEV;
1235 goto outwalk;
1236 }
1237 }
1238
1239 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1240 * should be respected as we already checked for the device presence above */
1241 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1242 dprintk("Invoking _INI\n");
1243 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1244 NULL, NULL)))
1245 dprintk("_INI Method failed\n");
1246 }
1247
1248 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1249 &handle))) {
1250 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1251 dprintk("ECON Method failed\n");
1252 }
1253
1254 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1255 &handle))) {
1256 dprintk("Doing SNC setup\n");
1257 sony_nc_function_setup(device);
1258 sony_nc_rfkill_setup(device);
1259 }
1260
1261 /* setup input devices and helper fifo */
1262 result = sony_laptop_setup_input(device);
1263 if (result) {
1264 printk(KERN_ERR DRV_PFX
1265 "Unabe to create input devices.\n");
1266 goto outwalk;
1267 }
1268
1269 status = acpi_install_notify_handler(sony_nc_acpi_handle,
1270 ACPI_DEVICE_NOTIFY,
1271 sony_acpi_notify, NULL);
1272 if (ACPI_FAILURE(status)) {
1273 printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
1274 result = -ENODEV;
1275 goto outinput;
1276 }
1277
1278 if (acpi_video_backlight_support()) {
1279 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1280 "controlled by ACPI video driver\n");
1281 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1282 &handle))) {
1283 sony_backlight_device = backlight_device_register("sony", NULL,
1284 NULL,
1285 &sony_backlight_ops);
1286
1287 if (IS_ERR(sony_backlight_device)) {
1288 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1289 sony_backlight_device = NULL;
1290 } else {
1291 sony_backlight_device->props.brightness =
1292 sony_backlight_get_brightness
1293 (sony_backlight_device);
1294 sony_backlight_device->props.max_brightness =
1295 SONY_MAX_BRIGHTNESS - 1;
1296 }
1297
1298 }
1299
1300 result = sony_pf_add();
1301 if (result)
1302 goto outbacklight;
1303
1304 /* create sony_pf sysfs attributes related to the SNC device */
1305 for (item = sony_nc_values; item->name; ++item) {
1306
1307 if (!debug && item->debug)
1308 continue;
1309
1310 /* find the available acpiget as described in the DSDT */
1311 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1312 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1313 *item->acpiget,
1314 &handle))) {
1315 dprintk("Found %s getter: %s\n",
1316 item->name, *item->acpiget);
1317 item->devattr.attr.mode |= S_IRUGO;
1318 break;
1319 }
1320 }
1321
1322 /* find the available acpiset as described in the DSDT */
1323 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1324 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1325 *item->acpiset,
1326 &handle))) {
1327 dprintk("Found %s setter: %s\n",
1328 item->name, *item->acpiset);
1329 item->devattr.attr.mode |= S_IWUSR;
1330 break;
1331 }
1332 }
1333
1334 if (item->devattr.attr.mode != 0) {
1335 result =
1336 device_create_file(&sony_pf_device->dev,
1337 &item->devattr);
1338 if (result)
1339 goto out_sysfs;
1340 }
1341 }
1342
1343 return 0;
1344
1345 out_sysfs:
1346 for (item = sony_nc_values; item->name; ++item) {
1347 device_remove_file(&sony_pf_device->dev, &item->devattr);
1348 }
1349 sony_pf_remove();
1350
1351 outbacklight:
1352 if (sony_backlight_device)
1353 backlight_device_unregister(sony_backlight_device);
1354
1355 status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1356 ACPI_DEVICE_NOTIFY,
1357 sony_acpi_notify);
1358 if (ACPI_FAILURE(status))
1359 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1360
1361 outinput:
1362 sony_laptop_remove_input();
1363
1364 outwalk:
1365 sony_nc_rfkill_cleanup();
1366 return result;
1367 }
1368
1369 static int sony_nc_remove(struct acpi_device *device, int type)
1370 {
1371 acpi_status status;
1372 struct sony_nc_value *item;
1373
1374 if (sony_backlight_device)
1375 backlight_device_unregister(sony_backlight_device);
1376
1377 sony_nc_acpi_device = NULL;
1378
1379 status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1380 ACPI_DEVICE_NOTIFY,
1381 sony_acpi_notify);
1382 if (ACPI_FAILURE(status))
1383 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1384
1385 for (item = sony_nc_values; item->name; ++item) {
1386 device_remove_file(&sony_pf_device->dev, &item->devattr);
1387 }
1388
1389 sony_pf_remove();
1390 sony_laptop_remove_input();
1391 sony_nc_rfkill_cleanup();
1392 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1393
1394 return 0;
1395 }
1396
1397 static const struct acpi_device_id sony_device_ids[] = {
1398 {SONY_NC_HID, 0},
1399 {SONY_PIC_HID, 0},
1400 {"", 0},
1401 };
1402 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1403
1404 static const struct acpi_device_id sony_nc_device_ids[] = {
1405 {SONY_NC_HID, 0},
1406 {"", 0},
1407 };
1408
1409 static struct acpi_driver sony_nc_driver = {
1410 .name = SONY_NC_DRIVER_NAME,
1411 .class = SONY_NC_CLASS,
1412 .ids = sony_nc_device_ids,
1413 .owner = THIS_MODULE,
1414 .ops = {
1415 .add = sony_nc_add,
1416 .remove = sony_nc_remove,
1417 .resume = sony_nc_resume,
1418 },
1419 };
1420
1421 /*********** SPIC (SNY6001) Device ***********/
1422
1423 #define SONYPI_DEVICE_TYPE1 0x00000001
1424 #define SONYPI_DEVICE_TYPE2 0x00000002
1425 #define SONYPI_DEVICE_TYPE3 0x00000004
1426 #define SONYPI_DEVICE_TYPE4 0x00000008
1427
1428 #define SONYPI_TYPE1_OFFSET 0x04
1429 #define SONYPI_TYPE2_OFFSET 0x12
1430 #define SONYPI_TYPE3_OFFSET 0x12
1431
1432 struct sony_pic_ioport {
1433 struct acpi_resource_io io1;
1434 struct acpi_resource_io io2;
1435 struct list_head list;
1436 };
1437
1438 struct sony_pic_irq {
1439 struct acpi_resource_irq irq;
1440 struct list_head list;
1441 };
1442
1443 struct sonypi_eventtypes {
1444 u8 data;
1445 unsigned long mask;
1446 struct sonypi_event *events;
1447 };
1448
1449 struct device_ctrl {
1450 int model;
1451 int (*handle_irq)(const u8, const u8);
1452 u16 evport_offset;
1453 u8 has_camera;
1454 u8 has_bluetooth;
1455 u8 has_wwan;
1456 struct sonypi_eventtypes *event_types;
1457 };
1458
1459 struct sony_pic_dev {
1460 struct device_ctrl *control;
1461 struct acpi_device *acpi_dev;
1462 struct sony_pic_irq *cur_irq;
1463 struct sony_pic_ioport *cur_ioport;
1464 struct list_head interrupts;
1465 struct list_head ioports;
1466 struct mutex lock;
1467 u8 camera_power;
1468 u8 bluetooth_power;
1469 u8 wwan_power;
1470 };
1471
1472 static struct sony_pic_dev spic_dev = {
1473 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1474 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1475 };
1476
1477 /* Event masks */
1478 #define SONYPI_JOGGER_MASK 0x00000001
1479 #define SONYPI_CAPTURE_MASK 0x00000002
1480 #define SONYPI_FNKEY_MASK 0x00000004
1481 #define SONYPI_BLUETOOTH_MASK 0x00000008
1482 #define SONYPI_PKEY_MASK 0x00000010
1483 #define SONYPI_BACK_MASK 0x00000020
1484 #define SONYPI_HELP_MASK 0x00000040
1485 #define SONYPI_LID_MASK 0x00000080
1486 #define SONYPI_ZOOM_MASK 0x00000100
1487 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1488 #define SONYPI_MEYE_MASK 0x00000400
1489 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1490 #define SONYPI_BATTERY_MASK 0x00001000
1491 #define SONYPI_WIRELESS_MASK 0x00002000
1492
1493 struct sonypi_event {
1494 u8 data;
1495 u8 event;
1496 };
1497
1498 /* The set of possible button release events */
1499 static struct sonypi_event sonypi_releaseev[] = {
1500 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1501 { 0, 0 }
1502 };
1503
1504 /* The set of possible jogger events */
1505 static struct sonypi_event sonypi_joggerev[] = {
1506 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1507 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1508 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1509 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1510 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1511 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1512 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1513 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1514 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1515 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1516 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1517 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1518 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1519 { 0, 0 }
1520 };
1521
1522 /* The set of possible capture button events */
1523 static struct sonypi_event sonypi_captureev[] = {
1524 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1525 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1526 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1527 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1528 { 0, 0 }
1529 };
1530
1531 /* The set of possible fnkeys events */
1532 static struct sonypi_event sonypi_fnkeyev[] = {
1533 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1534 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1535 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1536 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1537 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1538 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1539 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1540 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1541 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1542 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1543 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1544 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1545 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1546 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1547 { 0x21, SONYPI_EVENT_FNKEY_1 },
1548 { 0x22, SONYPI_EVENT_FNKEY_2 },
1549 { 0x31, SONYPI_EVENT_FNKEY_D },
1550 { 0x32, SONYPI_EVENT_FNKEY_E },
1551 { 0x33, SONYPI_EVENT_FNKEY_F },
1552 { 0x34, SONYPI_EVENT_FNKEY_S },
1553 { 0x35, SONYPI_EVENT_FNKEY_B },
1554 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1555 { 0, 0 }
1556 };
1557
1558 /* The set of possible program key events */
1559 static struct sonypi_event sonypi_pkeyev[] = {
1560 { 0x01, SONYPI_EVENT_PKEY_P1 },
1561 { 0x02, SONYPI_EVENT_PKEY_P2 },
1562 { 0x04, SONYPI_EVENT_PKEY_P3 },
1563 { 0x20, SONYPI_EVENT_PKEY_P1 },
1564 { 0, 0 }
1565 };
1566
1567 /* The set of possible bluetooth events */
1568 static struct sonypi_event sonypi_blueev[] = {
1569 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1570 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1571 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1572 { 0, 0 }
1573 };
1574
1575 /* The set of possible wireless events */
1576 static struct sonypi_event sonypi_wlessev[] = {
1577 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1578 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1579 { 0, 0 }
1580 };
1581
1582 /* The set of possible back button events */
1583 static struct sonypi_event sonypi_backev[] = {
1584 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1585 { 0, 0 }
1586 };
1587
1588 /* The set of possible help button events */
1589 static struct sonypi_event sonypi_helpev[] = {
1590 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1591 { 0, 0 }
1592 };
1593
1594
1595 /* The set of possible lid events */
1596 static struct sonypi_event sonypi_lidev[] = {
1597 { 0x51, SONYPI_EVENT_LID_CLOSED },
1598 { 0x50, SONYPI_EVENT_LID_OPENED },
1599 { 0, 0 }
1600 };
1601
1602 /* The set of possible zoom events */
1603 static struct sonypi_event sonypi_zoomev[] = {
1604 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1605 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1606 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1607 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1608 { 0, 0 }
1609 };
1610
1611 /* The set of possible thumbphrase events */
1612 static struct sonypi_event sonypi_thumbphraseev[] = {
1613 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1614 { 0, 0 }
1615 };
1616
1617 /* The set of possible motioneye camera events */
1618 static struct sonypi_event sonypi_meyeev[] = {
1619 { 0x00, SONYPI_EVENT_MEYE_FACE },
1620 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1621 { 0, 0 }
1622 };
1623
1624 /* The set of possible memorystick events */
1625 static struct sonypi_event sonypi_memorystickev[] = {
1626 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1627 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1628 { 0, 0 }
1629 };
1630
1631 /* The set of possible battery events */
1632 static struct sonypi_event sonypi_batteryev[] = {
1633 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1634 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1635 { 0, 0 }
1636 };
1637
1638 /* The set of possible volume events */
1639 static struct sonypi_event sonypi_volumeev[] = {
1640 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1641 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1642 { 0, 0 }
1643 };
1644
1645 /* The set of possible brightness events */
1646 static struct sonypi_event sonypi_brightnessev[] = {
1647 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1648 { 0, 0 }
1649 };
1650
1651 static struct sonypi_eventtypes type1_events[] = {
1652 { 0, 0xffffffff, sonypi_releaseev },
1653 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1654 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1655 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1656 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1657 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1658 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1659 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1660 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1661 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1662 { 0 },
1663 };
1664 static struct sonypi_eventtypes type2_events[] = {
1665 { 0, 0xffffffff, sonypi_releaseev },
1666 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1667 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1668 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1669 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1670 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1671 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1672 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1673 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1674 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1675 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1676 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1677 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1678 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1679 { 0 },
1680 };
1681 static struct sonypi_eventtypes type3_events[] = {
1682 { 0, 0xffffffff, sonypi_releaseev },
1683 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1684 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1685 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1686 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1687 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1688 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1689 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1690 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1691 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1692 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1693 { 0 },
1694 };
1695
1696 /* low level spic calls */
1697 #define ITERATIONS_LONG 10000
1698 #define ITERATIONS_SHORT 10
1699 #define wait_on_command(command, iterations) { \
1700 unsigned int n = iterations; \
1701 while (--n && (command)) \
1702 udelay(1); \
1703 if (!n) \
1704 dprintk("command failed at %s : %s (line %d)\n", \
1705 __FILE__, __func__, __LINE__); \
1706 }
1707
1708 static u8 sony_pic_call1(u8 dev)
1709 {
1710 u8 v1, v2;
1711
1712 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1713 ITERATIONS_LONG);
1714 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1715 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1716 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1717 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1718 return v2;
1719 }
1720
1721 static u8 sony_pic_call2(u8 dev, u8 fn)
1722 {
1723 u8 v1;
1724
1725 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1726 ITERATIONS_LONG);
1727 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1728 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1729 ITERATIONS_LONG);
1730 outb(fn, spic_dev.cur_ioport->io1.minimum);
1731 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1732 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1733 return v1;
1734 }
1735
1736 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1737 {
1738 u8 v1;
1739
1740 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1741 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1742 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1743 outb(fn, spic_dev.cur_ioport->io1.minimum);
1744 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1745 outb(v, spic_dev.cur_ioport->io1.minimum);
1746 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1747 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1748 dev, fn, v, v1);
1749 return v1;
1750 }
1751
1752 /*
1753 * minidrivers for SPIC models
1754 */
1755 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1756 {
1757 /*
1758 * 0x31 could mean we have to take some extra action and wait for
1759 * the next irq for some Type3 models, it will generate a new
1760 * irq and we can read new data from the device:
1761 * - 0x5c and 0x5f requires 0xA0
1762 * - 0x61 requires 0xB3
1763 */
1764 if (data_mask == 0x31) {
1765 if (ev == 0x5c || ev == 0x5f)
1766 sony_pic_call1(0xA0);
1767 else if (ev == 0x61)
1768 sony_pic_call1(0xB3);
1769 return 0;
1770 }
1771 return 1;
1772 }
1773
1774 static struct device_ctrl spic_types[] = {
1775 {
1776 .model = SONYPI_DEVICE_TYPE1,
1777 .handle_irq = NULL,
1778 .evport_offset = SONYPI_TYPE1_OFFSET,
1779 .event_types = type1_events,
1780 },
1781 {
1782 .model = SONYPI_DEVICE_TYPE2,
1783 .handle_irq = NULL,
1784 .evport_offset = SONYPI_TYPE2_OFFSET,
1785 .event_types = type2_events,
1786 },
1787 {
1788 .model = SONYPI_DEVICE_TYPE3,
1789 .handle_irq = type3_handle_irq,
1790 .evport_offset = SONYPI_TYPE3_OFFSET,
1791 .event_types = type3_events,
1792 },
1793 };
1794
1795 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1796 {
1797 struct pci_dev *pcidev;
1798
1799 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1800 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1801 if (pcidev) {
1802 dev->control = &spic_types[0];
1803 goto out;
1804 }
1805
1806 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1807 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1808 if (pcidev) {
1809 dev->control = &spic_types[2];
1810 goto out;
1811 }
1812
1813 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1814 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1815 if (pcidev) {
1816 dev->control = &spic_types[2];
1817 goto out;
1818 }
1819
1820 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1821 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1822 if (pcidev) {
1823 dev->control = &spic_types[2];
1824 goto out;
1825 }
1826
1827 /* default */
1828 dev->control = &spic_types[1];
1829
1830 out:
1831 if (pcidev)
1832 pci_dev_put(pcidev);
1833
1834 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1835 dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1836 dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1837 }
1838
1839 /* camera tests and poweron/poweroff */
1840 #define SONYPI_CAMERA_PICTURE 5
1841 #define SONYPI_CAMERA_CONTROL 0x10
1842
1843 #define SONYPI_CAMERA_BRIGHTNESS 0
1844 #define SONYPI_CAMERA_CONTRAST 1
1845 #define SONYPI_CAMERA_HUE 2
1846 #define SONYPI_CAMERA_COLOR 3
1847 #define SONYPI_CAMERA_SHARPNESS 4
1848
1849 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1850 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1851 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1852 #define SONYPI_CAMERA_MUTE_MASK 0x40
1853
1854 /* the rest don't need a loop until not 0xff */
1855 #define SONYPI_CAMERA_AGC 6
1856 #define SONYPI_CAMERA_AGC_MASK 0x30
1857 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1858
1859 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1860 #define SONYPI_CAMERA_CONTROL 0x10
1861
1862 #define SONYPI_CAMERA_STATUS 7
1863 #define SONYPI_CAMERA_STATUS_READY 0x2
1864 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1865
1866 #define SONYPI_DIRECTION_BACKWARDS 0x4
1867
1868 #define SONYPI_CAMERA_REVISION 8
1869 #define SONYPI_CAMERA_ROMVERSION 9
1870
1871 static int __sony_pic_camera_ready(void)
1872 {
1873 u8 v;
1874
1875 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1876 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1877 }
1878
1879 static int __sony_pic_camera_off(void)
1880 {
1881 if (!camera) {
1882 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1883 return -ENODEV;
1884 }
1885
1886 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1887 SONYPI_CAMERA_MUTE_MASK),
1888 ITERATIONS_SHORT);
1889
1890 if (spic_dev.camera_power) {
1891 sony_pic_call2(0x91, 0);
1892 spic_dev.camera_power = 0;
1893 }
1894 return 0;
1895 }
1896
1897 static int __sony_pic_camera_on(void)
1898 {
1899 int i, j, x;
1900
1901 if (!camera) {
1902 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1903 return -ENODEV;
1904 }
1905
1906 if (spic_dev.camera_power)
1907 return 0;
1908
1909 for (j = 5; j > 0; j--) {
1910
1911 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1912 msleep(10);
1913 sony_pic_call1(0x93);
1914
1915 for (i = 400; i > 0; i--) {
1916 if (__sony_pic_camera_ready())
1917 break;
1918 msleep(10);
1919 }
1920 if (i)
1921 break;
1922 }
1923
1924 if (j == 0) {
1925 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1926 return -ENODEV;
1927 }
1928
1929 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1930 0x5a),
1931 ITERATIONS_SHORT);
1932
1933 spic_dev.camera_power = 1;
1934 return 0;
1935 }
1936
1937 /* External camera command (exported to the motion eye v4l driver) */
1938 int sony_pic_camera_command(int command, u8 value)
1939 {
1940 if (!camera)
1941 return -EIO;
1942
1943 mutex_lock(&spic_dev.lock);
1944
1945 switch (command) {
1946 case SONY_PIC_COMMAND_SETCAMERA:
1947 if (value)
1948 __sony_pic_camera_on();
1949 else
1950 __sony_pic_camera_off();
1951 break;
1952 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1953 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1954 ITERATIONS_SHORT);
1955 break;
1956 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1957 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1958 ITERATIONS_SHORT);
1959 break;
1960 case SONY_PIC_COMMAND_SETCAMERAHUE:
1961 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1962 ITERATIONS_SHORT);
1963 break;
1964 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1965 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1966 ITERATIONS_SHORT);
1967 break;
1968 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1969 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1970 ITERATIONS_SHORT);
1971 break;
1972 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1973 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1974 ITERATIONS_SHORT);
1975 break;
1976 case SONY_PIC_COMMAND_SETCAMERAAGC:
1977 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1978 ITERATIONS_SHORT);
1979 break;
1980 default:
1981 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1982 command);
1983 break;
1984 }
1985 mutex_unlock(&spic_dev.lock);
1986 return 0;
1987 }
1988 EXPORT_SYMBOL(sony_pic_camera_command);
1989
1990 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1991 static void sony_pic_set_wwanpower(u8 state)
1992 {
1993 state = !!state;
1994 mutex_lock(&spic_dev.lock);
1995 if (spic_dev.wwan_power == state) {
1996 mutex_unlock(&spic_dev.lock);
1997 return;
1998 }
1999 sony_pic_call2(0xB0, state);
2000 spic_dev.wwan_power = state;
2001 mutex_unlock(&spic_dev.lock);
2002 }
2003
2004 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2005 struct device_attribute *attr,
2006 const char *buffer, size_t count)
2007 {
2008 unsigned long value;
2009 if (count > 31)
2010 return -EINVAL;
2011
2012 value = simple_strtoul(buffer, NULL, 10);
2013 sony_pic_set_wwanpower(value);
2014
2015 return count;
2016 }
2017
2018 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2019 struct device_attribute *attr, char *buffer)
2020 {
2021 ssize_t count;
2022 mutex_lock(&spic_dev.lock);
2023 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2024 mutex_unlock(&spic_dev.lock);
2025 return count;
2026 }
2027
2028 /* bluetooth subsystem power state */
2029 static void __sony_pic_set_bluetoothpower(u8 state)
2030 {
2031 state = !!state;
2032 if (spic_dev.bluetooth_power == state)
2033 return;
2034 sony_pic_call2(0x96, state);
2035 sony_pic_call1(0x82);
2036 spic_dev.bluetooth_power = state;
2037 }
2038
2039 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2040 struct device_attribute *attr,
2041 const char *buffer, size_t count)
2042 {
2043 unsigned long value;
2044 if (count > 31)
2045 return -EINVAL;
2046
2047 value = simple_strtoul(buffer, NULL, 10);
2048 mutex_lock(&spic_dev.lock);
2049 __sony_pic_set_bluetoothpower(value);
2050 mutex_unlock(&spic_dev.lock);
2051
2052 return count;
2053 }
2054
2055 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2056 struct device_attribute *attr, char *buffer)
2057 {
2058 ssize_t count = 0;
2059 mutex_lock(&spic_dev.lock);
2060 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2061 mutex_unlock(&spic_dev.lock);
2062 return count;
2063 }
2064
2065 /* fan speed */
2066 /* FAN0 information (reverse engineered from ACPI tables) */
2067 #define SONY_PIC_FAN0_STATUS 0x93
2068 static int sony_pic_set_fanspeed(unsigned long value)
2069 {
2070 return ec_write(SONY_PIC_FAN0_STATUS, value);
2071 }
2072
2073 static int sony_pic_get_fanspeed(u8 *value)
2074 {
2075 return ec_read(SONY_PIC_FAN0_STATUS, value);
2076 }
2077
2078 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2079 struct device_attribute *attr,
2080 const char *buffer, size_t count)
2081 {
2082 unsigned long value;
2083 if (count > 31)
2084 return -EINVAL;
2085
2086 value = simple_strtoul(buffer, NULL, 10);
2087 if (sony_pic_set_fanspeed(value))
2088 return -EIO;
2089
2090 return count;
2091 }
2092
2093 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2094 struct device_attribute *attr, char *buffer)
2095 {
2096 u8 value = 0;
2097 if (sony_pic_get_fanspeed(&value))
2098 return -EIO;
2099
2100 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2101 }
2102
2103 #define SPIC_ATTR(_name, _mode) \
2104 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2105 _mode, sony_pic_## _name ##_show, \
2106 sony_pic_## _name ##_store)
2107
2108 static SPIC_ATTR(bluetoothpower, 0644);
2109 static SPIC_ATTR(wwanpower, 0644);
2110 static SPIC_ATTR(fanspeed, 0644);
2111
2112 static struct attribute *spic_attributes[] = {
2113 &spic_attr_bluetoothpower.attr,
2114 &spic_attr_wwanpower.attr,
2115 &spic_attr_fanspeed.attr,
2116 NULL
2117 };
2118
2119 static struct attribute_group spic_attribute_group = {
2120 .attrs = spic_attributes
2121 };
2122
2123 /******** SONYPI compatibility **********/
2124 #ifdef CONFIG_SONYPI_COMPAT
2125
2126 /* battery / brightness / temperature addresses */
2127 #define SONYPI_BAT_FLAGS 0x81
2128 #define SONYPI_LCD_LIGHT 0x96
2129 #define SONYPI_BAT1_PCTRM 0xa0
2130 #define SONYPI_BAT1_LEFT 0xa2
2131 #define SONYPI_BAT1_MAXRT 0xa4
2132 #define SONYPI_BAT2_PCTRM 0xa8
2133 #define SONYPI_BAT2_LEFT 0xaa
2134 #define SONYPI_BAT2_MAXRT 0xac
2135 #define SONYPI_BAT1_MAXTK 0xb0
2136 #define SONYPI_BAT1_FULL 0xb2
2137 #define SONYPI_BAT2_MAXTK 0xb8
2138 #define SONYPI_BAT2_FULL 0xba
2139 #define SONYPI_TEMP_STATUS 0xC1
2140
2141 struct sonypi_compat_s {
2142 struct fasync_struct *fifo_async;
2143 struct kfifo *fifo;
2144 spinlock_t fifo_lock;
2145 wait_queue_head_t fifo_proc_list;
2146 atomic_t open_count;
2147 };
2148 static struct sonypi_compat_s sonypi_compat = {
2149 .open_count = ATOMIC_INIT(0),
2150 };
2151
2152 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2153 {
2154 int retval;
2155
2156 retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2157 if (retval < 0)
2158 return retval;
2159 return 0;
2160 }
2161
2162 static int sonypi_misc_release(struct inode *inode, struct file *file)
2163 {
2164 atomic_dec(&sonypi_compat.open_count);
2165 return 0;
2166 }
2167
2168 static int sonypi_misc_open(struct inode *inode, struct file *file)
2169 {
2170 /* Flush input queue on first open */
2171 lock_kernel();
2172 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2173 kfifo_reset(sonypi_compat.fifo);
2174 unlock_kernel();
2175 return 0;
2176 }
2177
2178 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2179 size_t count, loff_t *pos)
2180 {
2181 ssize_t ret;
2182 unsigned char c;
2183
2184 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2185 (file->f_flags & O_NONBLOCK))
2186 return -EAGAIN;
2187
2188 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2189 kfifo_len(sonypi_compat.fifo) != 0);
2190 if (ret)
2191 return ret;
2192
2193 while (ret < count &&
2194 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2195 if (put_user(c, buf++))
2196 return -EFAULT;
2197 ret++;
2198 }
2199
2200 if (ret > 0) {
2201 struct inode *inode = file->f_path.dentry->d_inode;
2202 inode->i_atime = current_fs_time(inode->i_sb);
2203 }
2204
2205 return ret;
2206 }
2207
2208 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2209 {
2210 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2211 if (kfifo_len(sonypi_compat.fifo))
2212 return POLLIN | POLLRDNORM;
2213 return 0;
2214 }
2215
2216 static int ec_read16(u8 addr, u16 *value)
2217 {
2218 u8 val_lb, val_hb;
2219 if (ec_read(addr, &val_lb))
2220 return -1;
2221 if (ec_read(addr + 1, &val_hb))
2222 return -1;
2223 *value = val_lb | (val_hb << 8);
2224 return 0;
2225 }
2226
2227 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2228 unsigned long arg)
2229 {
2230 int ret = 0;
2231 void __user *argp = (void __user *)arg;
2232 u8 val8;
2233 u16 val16;
2234 int value;
2235
2236 mutex_lock(&spic_dev.lock);
2237 switch (cmd) {
2238 case SONYPI_IOCGBRT:
2239 if (sony_backlight_device == NULL) {
2240 ret = -EIO;
2241 break;
2242 }
2243 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2244 ret = -EIO;
2245 break;
2246 }
2247 val8 = ((value & 0xff) - 1) << 5;
2248 if (copy_to_user(argp, &val8, sizeof(val8)))
2249 ret = -EFAULT;
2250 break;
2251 case SONYPI_IOCSBRT:
2252 if (sony_backlight_device == NULL) {
2253 ret = -EIO;
2254 break;
2255 }
2256 if (copy_from_user(&val8, argp, sizeof(val8))) {
2257 ret = -EFAULT;
2258 break;
2259 }
2260 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2261 (val8 >> 5) + 1, NULL)) {
2262 ret = -EIO;
2263 break;
2264 }
2265 /* sync the backlight device status */
2266 sony_backlight_device->props.brightness =
2267 sony_backlight_get_brightness(sony_backlight_device);
2268 break;
2269 case SONYPI_IOCGBAT1CAP:
2270 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2271 ret = -EIO;
2272 break;
2273 }
2274 if (copy_to_user(argp, &val16, sizeof(val16)))
2275 ret = -EFAULT;
2276 break;
2277 case SONYPI_IOCGBAT1REM:
2278 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2279 ret = -EIO;
2280 break;
2281 }
2282 if (copy_to_user(argp, &val16, sizeof(val16)))
2283 ret = -EFAULT;
2284 break;
2285 case SONYPI_IOCGBAT2CAP:
2286 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2287 ret = -EIO;
2288 break;
2289 }
2290 if (copy_to_user(argp, &val16, sizeof(val16)))
2291 ret = -EFAULT;
2292 break;
2293 case SONYPI_IOCGBAT2REM:
2294 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2295 ret = -EIO;
2296 break;
2297 }
2298 if (copy_to_user(argp, &val16, sizeof(val16)))
2299 ret = -EFAULT;
2300 break;
2301 case SONYPI_IOCGBATFLAGS:
2302 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2303 ret = -EIO;
2304 break;
2305 }
2306 val8 &= 0x07;
2307 if (copy_to_user(argp, &val8, sizeof(val8)))
2308 ret = -EFAULT;
2309 break;
2310 case SONYPI_IOCGBLUE:
2311 val8 = spic_dev.bluetooth_power;
2312 if (copy_to_user(argp, &val8, sizeof(val8)))
2313 ret = -EFAULT;
2314 break;
2315 case SONYPI_IOCSBLUE:
2316 if (copy_from_user(&val8, argp, sizeof(val8))) {
2317 ret = -EFAULT;
2318 break;
2319 }
2320 __sony_pic_set_bluetoothpower(val8);
2321 break;
2322 /* FAN Controls */
2323 case SONYPI_IOCGFAN:
2324 if (sony_pic_get_fanspeed(&val8)) {
2325 ret = -EIO;
2326 break;
2327 }
2328 if (copy_to_user(argp, &val8, sizeof(val8)))
2329 ret = -EFAULT;
2330 break;
2331 case SONYPI_IOCSFAN:
2332 if (copy_from_user(&val8, argp, sizeof(val8))) {
2333 ret = -EFAULT;
2334 break;
2335 }
2336 if (sony_pic_set_fanspeed(val8))
2337 ret = -EIO;
2338 break;
2339 /* GET Temperature (useful under APM) */
2340 case SONYPI_IOCGTEMP:
2341 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2342 ret = -EIO;
2343 break;
2344 }
2345 if (copy_to_user(argp, &val8, sizeof(val8)))
2346 ret = -EFAULT;
2347 break;
2348 default:
2349 ret = -EINVAL;
2350 }
2351 mutex_unlock(&spic_dev.lock);
2352 return ret;
2353 }
2354
2355 static const struct file_operations sonypi_misc_fops = {
2356 .owner = THIS_MODULE,
2357 .read = sonypi_misc_read,
2358 .poll = sonypi_misc_poll,
2359 .open = sonypi_misc_open,
2360 .release = sonypi_misc_release,
2361 .fasync = sonypi_misc_fasync,
2362 .unlocked_ioctl = sonypi_misc_ioctl,
2363 };
2364
2365 static struct miscdevice sonypi_misc_device = {
2366 .minor = MISC_DYNAMIC_MINOR,
2367 .name = "sonypi",
2368 .fops = &sonypi_misc_fops,
2369 };
2370
2371 static void sonypi_compat_report_event(u8 event)
2372 {
2373 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2374 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2375 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2376 }
2377
2378 static int sonypi_compat_init(void)
2379 {
2380 int error;
2381
2382 spin_lock_init(&sonypi_compat.fifo_lock);
2383 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2384 &sonypi_compat.fifo_lock);
2385 if (IS_ERR(sonypi_compat.fifo)) {
2386 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2387 return PTR_ERR(sonypi_compat.fifo);
2388 }
2389
2390 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2391
2392 if (minor != -1)
2393 sonypi_misc_device.minor = minor;
2394 error = misc_register(&sonypi_misc_device);
2395 if (error) {
2396 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2397 goto err_free_kfifo;
2398 }
2399 if (minor == -1)
2400 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2401 sonypi_misc_device.minor);
2402
2403 return 0;
2404
2405 err_free_kfifo:
2406 kfifo_free(sonypi_compat.fifo);
2407 return error;
2408 }
2409
2410 static void sonypi_compat_exit(void)
2411 {
2412 misc_deregister(&sonypi_misc_device);
2413 kfifo_free(sonypi_compat.fifo);
2414 }
2415 #else
2416 static int sonypi_compat_init(void) { return 0; }
2417 static void sonypi_compat_exit(void) { }
2418 static void sonypi_compat_report_event(u8 event) { }
2419 #endif /* CONFIG_SONYPI_COMPAT */
2420
2421 /*
2422 * ACPI callbacks
2423 */
2424 static acpi_status
2425 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2426 {
2427 u32 i;
2428 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2429
2430 switch (resource->type) {
2431 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2432 {
2433 /* start IO enumeration */
2434 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2435 if (!ioport)
2436 return AE_ERROR;
2437
2438 list_add(&ioport->list, &dev->ioports);
2439 return AE_OK;
2440 }
2441
2442 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2443 /* end IO enumeration */
2444 return AE_OK;
2445
2446 case ACPI_RESOURCE_TYPE_IRQ:
2447 {
2448 struct acpi_resource_irq *p = &resource->data.irq;
2449 struct sony_pic_irq *interrupt = NULL;
2450 if (!p || !p->interrupt_count) {
2451 /*
2452 * IRQ descriptors may have no IRQ# bits set,
2453 * particularly those those w/ _STA disabled
2454 */
2455 dprintk("Blank IRQ resource\n");
2456 return AE_OK;
2457 }
2458 for (i = 0; i < p->interrupt_count; i++) {
2459 if (!p->interrupts[i]) {
2460 printk(KERN_WARNING DRV_PFX
2461 "Invalid IRQ %d\n",
2462 p->interrupts[i]);
2463 continue;
2464 }
2465 interrupt = kzalloc(sizeof(*interrupt),
2466 GFP_KERNEL);
2467 if (!interrupt)
2468 return AE_ERROR;
2469
2470 list_add(&interrupt->list, &dev->interrupts);
2471 interrupt->irq.triggering = p->triggering;
2472 interrupt->irq.polarity = p->polarity;
2473 interrupt->irq.sharable = p->sharable;
2474 interrupt->irq.interrupt_count = 1;
2475 interrupt->irq.interrupts[0] = p->interrupts[i];
2476 }
2477 return AE_OK;
2478 }
2479 case ACPI_RESOURCE_TYPE_IO:
2480 {
2481 struct acpi_resource_io *io = &resource->data.io;
2482 struct sony_pic_ioport *ioport =
2483 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2484 if (!io) {
2485 dprintk("Blank IO resource\n");
2486 return AE_OK;
2487 }
2488
2489 if (!ioport->io1.minimum) {
2490 memcpy(&ioport->io1, io, sizeof(*io));
2491 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2492 ioport->io1.address_length);
2493 }
2494 else if (!ioport->io2.minimum) {
2495 memcpy(&ioport->io2, io, sizeof(*io));
2496 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2497 ioport->io2.address_length);
2498 }
2499 else {
2500 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2501 return AE_ERROR;
2502 }
2503 return AE_OK;
2504 }
2505 default:
2506 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2507 resource->type);
2508
2509 case ACPI_RESOURCE_TYPE_END_TAG:
2510 return AE_OK;
2511 }
2512 return AE_CTRL_TERMINATE;
2513 }
2514
2515 static int sony_pic_possible_resources(struct acpi_device *device)
2516 {
2517 int result = 0;
2518 acpi_status status = AE_OK;
2519
2520 if (!device)
2521 return -EINVAL;
2522
2523 /* get device status */
2524 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2525 dprintk("Evaluating _STA\n");
2526 result = acpi_bus_get_status(device);
2527 if (result) {
2528 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2529 goto end;
2530 }
2531
2532 if (!device->status.enabled)
2533 dprintk("Device disabled\n");
2534 else
2535 dprintk("Device enabled\n");
2536
2537 /*
2538 * Query and parse 'method'
2539 */
2540 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2541 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2542 sony_pic_read_possible_resource, &spic_dev);
2543 if (ACPI_FAILURE(status)) {
2544 printk(KERN_WARNING DRV_PFX
2545 "Failure evaluating %s\n",
2546 METHOD_NAME__PRS);
2547 result = -ENODEV;
2548 }
2549 end:
2550 return result;
2551 }
2552
2553 /*
2554 * Disable the spic device by calling its _DIS method
2555 */
2556 static int sony_pic_disable(struct acpi_device *device)
2557 {
2558 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2559 NULL);
2560
2561 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2562 return -ENXIO;
2563
2564 dprintk("Device disabled\n");
2565 return 0;
2566 }
2567
2568
2569 /*
2570 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2571 *
2572 * Call _SRS to set current resources
2573 */
2574 static int sony_pic_enable(struct acpi_device *device,
2575 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2576 {
2577 acpi_status status;
2578 int result = 0;
2579 /* Type 1 resource layout is:
2580 * IO
2581 * IO
2582 * IRQNoFlags
2583 * End
2584 *
2585 * Type 2 and 3 resource layout is:
2586 * IO
2587 * IRQNoFlags
2588 * End
2589 */
2590 struct {
2591 struct acpi_resource res1;
2592 struct acpi_resource res2;
2593 struct acpi_resource res3;
2594 struct acpi_resource res4;
2595 } *resource;
2596 struct acpi_buffer buffer = { 0, NULL };
2597
2598 if (!ioport || !irq)
2599 return -EINVAL;
2600
2601 /* init acpi_buffer */
2602 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2603 if (!resource)
2604 return -ENOMEM;
2605
2606 buffer.length = sizeof(*resource) + 1;
2607 buffer.pointer = resource;
2608
2609 /* setup Type 1 resources */
2610 if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2611
2612 /* setup io resources */
2613 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2614 resource->res1.length = sizeof(struct acpi_resource);
2615 memcpy(&resource->res1.data.io, &ioport->io1,
2616 sizeof(struct acpi_resource_io));
2617
2618 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2619 resource->res2.length = sizeof(struct acpi_resource);
2620 memcpy(&resource->res2.data.io, &ioport->io2,
2621 sizeof(struct acpi_resource_io));
2622
2623 /* setup irq resource */
2624 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2625 resource->res3.length = sizeof(struct acpi_resource);
2626 memcpy(&resource->res3.data.irq, &irq->irq,
2627 sizeof(struct acpi_resource_irq));
2628 /* we requested a shared irq */
2629 resource->res3.data.irq.sharable = ACPI_SHARED;
2630
2631 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2632
2633 }
2634 /* setup Type 2/3 resources */
2635 else {
2636 /* setup io resource */
2637 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2638 resource->res1.length = sizeof(struct acpi_resource);
2639 memcpy(&resource->res1.data.io, &ioport->io1,
2640 sizeof(struct acpi_resource_io));
2641
2642 /* setup irq resource */
2643 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2644 resource->res2.length = sizeof(struct acpi_resource);
2645 memcpy(&resource->res2.data.irq, &irq->irq,
2646 sizeof(struct acpi_resource_irq));
2647 /* we requested a shared irq */
2648 resource->res2.data.irq.sharable = ACPI_SHARED;
2649
2650 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2651 }
2652
2653 /* Attempt to set the resource */
2654 dprintk("Evaluating _SRS\n");
2655 status = acpi_set_current_resources(device->handle, &buffer);
2656
2657 /* check for total failure */
2658 if (ACPI_FAILURE(status)) {
2659 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2660 result = -ENODEV;
2661 goto end;
2662 }
2663
2664 /* Necessary device initializations calls (from sonypi) */
2665 sony_pic_call1(0x82);
2666 sony_pic_call2(0x81, 0xff);
2667 sony_pic_call1(compat ? 0x92 : 0x82);
2668
2669 end:
2670 kfree(resource);
2671 return result;
2672 }
2673
2674 /*****************
2675 *
2676 * ISR: some event is available
2677 *
2678 *****************/
2679 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2680 {
2681 int i, j;
2682 u8 ev = 0;
2683 u8 data_mask = 0;
2684 u8 device_event = 0;
2685
2686 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2687
2688 ev = inb_p(dev->cur_ioport->io1.minimum);
2689 if (dev->cur_ioport->io2.minimum)
2690 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2691 else
2692 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2693 dev->control->evport_offset);
2694
2695 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2696 ev, data_mask, dev->cur_ioport->io1.minimum,
2697 dev->control->evport_offset);
2698
2699 if (ev == 0x00 || ev == 0xff)
2700 return IRQ_HANDLED;
2701
2702 for (i = 0; dev->control->event_types[i].mask; i++) {
2703
2704 if ((data_mask & dev->control->event_types[i].data) !=
2705 dev->control->event_types[i].data)
2706 continue;
2707
2708 if (!(mask & dev->control->event_types[i].mask))
2709 continue;
2710
2711 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2712 if (ev == dev->control->event_types[i].events[j].data) {
2713 device_event =
2714 dev->control->
2715 event_types[i].events[j].event;
2716 goto found;
2717 }
2718 }
2719 }
2720 /* Still not able to decode the event try to pass
2721 * it over to the minidriver
2722 */
2723 if (dev->control->handle_irq &&
2724 dev->control->handle_irq(data_mask, ev) == 0)
2725 return IRQ_HANDLED;
2726
2727 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2728 ev, data_mask, dev->cur_ioport->io1.minimum,
2729 dev->control->evport_offset);
2730 return IRQ_HANDLED;
2731
2732 found:
2733 sony_laptop_report_input_event(device_event);
2734 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2735 sonypi_compat_report_event(device_event);
2736
2737 return IRQ_HANDLED;
2738 }
2739
2740 /*****************
2741 *
2742 * ACPI driver
2743 *
2744 *****************/
2745 static int sony_pic_remove(struct acpi_device *device, int type)
2746 {
2747 struct sony_pic_ioport *io, *tmp_io;
2748 struct sony_pic_irq *irq, *tmp_irq;
2749
2750 if (sony_pic_disable(device)) {
2751 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2752 return -ENXIO;
2753 }
2754
2755 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2756 release_region(spic_dev.cur_ioport->io1.minimum,
2757 spic_dev.cur_ioport->io1.address_length);
2758 if (spic_dev.cur_ioport->io2.minimum)
2759 release_region(spic_dev.cur_ioport->io2.minimum,
2760 spic_dev.cur_ioport->io2.address_length);
2761
2762 sonypi_compat_exit();
2763
2764 sony_laptop_remove_input();
2765
2766 /* pf attrs */
2767 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2768 sony_pf_remove();
2769
2770 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2771 list_del(&io->list);
2772 kfree(io);
2773 }
2774 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2775 list_del(&irq->list);
2776 kfree(irq);
2777 }
2778 spic_dev.cur_ioport = NULL;
2779 spic_dev.cur_irq = NULL;
2780
2781 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2782 return 0;
2783 }
2784
2785 static int sony_pic_add(struct acpi_device *device)
2786 {
2787 int result;
2788 struct sony_pic_ioport *io, *tmp_io;
2789 struct sony_pic_irq *irq, *tmp_irq;
2790
2791 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2792 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2793
2794 spic_dev.acpi_dev = device;
2795 strcpy(acpi_device_class(device), "sony/hotkey");
2796 sony_pic_detect_device_type(&spic_dev);
2797 mutex_init(&spic_dev.lock);
2798
2799 /* read _PRS resources */
2800 result = sony_pic_possible_resources(device);
2801 if (result) {
2802 printk(KERN_ERR DRV_PFX
2803 "Unabe to read possible resources.\n");
2804 goto err_free_resources;
2805 }
2806
2807 /* setup input devices and helper fifo */
2808 result = sony_laptop_setup_input(device);
2809 if (result) {
2810 printk(KERN_ERR DRV_PFX
2811 "Unabe to create input devices.\n");
2812 goto err_free_resources;
2813 }
2814
2815 if (sonypi_compat_init())
2816 goto err_remove_input;
2817
2818 /* request io port */
2819 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2820 if (request_region(io->io1.minimum, io->io1.address_length,
2821 "Sony Programable I/O Device")) {
2822 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2823 io->io1.minimum, io->io1.maximum,
2824 io->io1.address_length);
2825 /* Type 1 have 2 ioports */
2826 if (io->io2.minimum) {
2827 if (request_region(io->io2.minimum,
2828 io->io2.address_length,
2829 "Sony Programable I/O Device")) {
2830 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2831 io->io2.minimum, io->io2.maximum,
2832 io->io2.address_length);
2833 spic_dev.cur_ioport = io;
2834 break;
2835 }
2836 else {
2837 dprintk("Unable to get I/O port2: "
2838 "0x%.4x (0x%.4x) + 0x%.2x\n",
2839 io->io2.minimum, io->io2.maximum,
2840 io->io2.address_length);
2841 release_region(io->io1.minimum,
2842 io->io1.address_length);
2843 }
2844 }
2845 else {
2846 spic_dev.cur_ioport = io;
2847 break;
2848 }
2849 }
2850 }
2851 if (!spic_dev.cur_ioport) {
2852 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2853 result = -ENODEV;
2854 goto err_remove_compat;
2855 }
2856
2857 /* request IRQ */
2858 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2859 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2860 IRQF_SHARED, "sony-laptop", &spic_dev)) {
2861 dprintk("IRQ: %d - triggering: %d - "
2862 "polarity: %d - shr: %d\n",
2863 irq->irq.interrupts[0],
2864 irq->irq.triggering,
2865 irq->irq.polarity,
2866 irq->irq.sharable);
2867 spic_dev.cur_irq = irq;
2868 break;
2869 }
2870 }
2871 if (!spic_dev.cur_irq) {
2872 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2873 result = -ENODEV;
2874 goto err_release_region;
2875 }
2876
2877 /* set resource status _SRS */
2878 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2879 if (result) {
2880 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2881 goto err_free_irq;
2882 }
2883
2884 spic_dev.bluetooth_power = -1;
2885 /* create device attributes */
2886 result = sony_pf_add();
2887 if (result)
2888 goto err_disable_device;
2889
2890 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2891 if (result)
2892 goto err_remove_pf;
2893
2894 return 0;
2895
2896 err_remove_pf:
2897 sony_pf_remove();
2898
2899 err_disable_device:
2900 sony_pic_disable(device);
2901
2902 err_free_irq:
2903 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2904
2905 err_release_region:
2906 release_region(spic_dev.cur_ioport->io1.minimum,
2907 spic_dev.cur_ioport->io1.address_length);
2908 if (spic_dev.cur_ioport->io2.minimum)
2909 release_region(spic_dev.cur_ioport->io2.minimum,
2910 spic_dev.cur_ioport->io2.address_length);
2911
2912 err_remove_compat:
2913 sonypi_compat_exit();
2914
2915 err_remove_input:
2916 sony_laptop_remove_input();
2917
2918 err_free_resources:
2919 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2920 list_del(&io->list);
2921 kfree(io);
2922 }
2923 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2924 list_del(&irq->list);
2925 kfree(irq);
2926 }
2927 spic_dev.cur_ioport = NULL;
2928 spic_dev.cur_irq = NULL;
2929
2930 return result;
2931 }
2932
2933 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2934 {
2935 if (sony_pic_disable(device))
2936 return -ENXIO;
2937 return 0;
2938 }
2939
2940 static int sony_pic_resume(struct acpi_device *device)
2941 {
2942 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2943 return 0;
2944 }
2945
2946 static const struct acpi_device_id sony_pic_device_ids[] = {
2947 {SONY_PIC_HID, 0},
2948 {"", 0},
2949 };
2950
2951 static struct acpi_driver sony_pic_driver = {
2952 .name = SONY_PIC_DRIVER_NAME,
2953 .class = SONY_PIC_CLASS,
2954 .ids = sony_pic_device_ids,
2955 .owner = THIS_MODULE,
2956 .ops = {
2957 .add = sony_pic_add,
2958 .remove = sony_pic_remove,
2959 .suspend = sony_pic_suspend,
2960 .resume = sony_pic_resume,
2961 },
2962 };
2963
2964 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2965 {
2966 .ident = "Sony Vaio",
2967 .matches = {
2968 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2969 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2970 },
2971 },
2972 {
2973 .ident = "Sony Vaio",
2974 .matches = {
2975 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2976 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2977 },
2978 },
2979 { }
2980 };
2981
2982 static int __init sony_laptop_init(void)
2983 {
2984 int result;
2985
2986 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2987 result = acpi_bus_register_driver(&sony_pic_driver);
2988 if (result) {
2989 printk(KERN_ERR DRV_PFX
2990 "Unable to register SPIC driver.");
2991 goto out;
2992 }
2993 }
2994
2995 result = acpi_bus_register_driver(&sony_nc_driver);
2996 if (result) {
2997 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2998 goto out_unregister_pic;
2999 }
3000
3001 return 0;
3002
3003 out_unregister_pic:
3004 if (!no_spic)
3005 acpi_bus_unregister_driver(&sony_pic_driver);
3006 out:
3007 return result;
3008 }
3009
3010 static void __exit sony_laptop_exit(void)
3011 {
3012 acpi_bus_unregister_driver(&sony_nc_driver);
3013 if (!no_spic)
3014 acpi_bus_unregister_driver(&sony_pic_driver);
3015 }
3016
3017 module_init(sony_laptop_init);
3018 module_exit(sony_laptop_exit);
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