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thinkpad-acpi: add quirklist engine
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / platform / x86 / sony-laptop.c
blob552958545f94fc03e83975012f5196e16794c6fa
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 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/moduleparam.h>
48 #include <linux/init.h>
49 #include <linux/types.h>
50 #include <linux/backlight.h>
51 #include <linux/platform_device.h>
52 #include <linux/err.h>
53 #include <linux/dmi.h>
54 #include <linux/pci.h>
55 #include <linux/interrupt.h>
56 #include <linux/delay.h>
57 #include <linux/input.h>
58 #include <linux/kfifo.h>
59 #include <linux/workqueue.h>
60 #include <linux/acpi.h>
61 #include <acpi/acpi_drivers.h>
62 #include <acpi/acpi_bus.h>
63 #include <asm/uaccess.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71
72 #define DRV_PFX "sony-laptop: "
73 #define dprintk(msg...) do { \
74 if (debug) printk(KERN_WARNING DRV_PFX msg); \
75 } while (0)
76
77 #define SONY_LAPTOP_DRIVER_VERSION "0.6"
78
79 #define SONY_NC_CLASS "sony-nc"
80 #define SONY_NC_HID "SNY5001"
81 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
82
83 #define SONY_PIC_CLASS "sony-pic"
84 #define SONY_PIC_HID "SNY6001"
85 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
86
87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89 MODULE_LICENSE("GPL");
90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95 "the development of this driver");
96
97 static int no_spic; /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100 "set this if you don't want to enable the SPIC device");
101
102 static int compat; /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105 "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110 "set this to the mask of event you want to enable (see doc)");
111
112 static int camera; /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115 "set this to 1 to enable Motion Eye camera controls "
116 "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122 "minor number of the misc device for the SPIC compatibility code, "
123 "default is -1 (automatic)");
124 #endif
125
126 enum sony_nc_rfkill {
127 SONY_WIFI,
128 SONY_BLUETOOTH,
129 SONY_WWAN,
130 SONY_WIMAX,
131 SONY_RFKILL_MAX,
132 };
133
134 static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
135 static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
136 static void sony_nc_rfkill_update(void);
137
138 /*********** Input Devices ***********/
139
140 #define SONY_LAPTOP_BUF_SIZE 128
141 struct sony_laptop_input_s {
142 atomic_t users;
143 struct input_dev *jog_dev;
144 struct input_dev *key_dev;
145 struct kfifo *fifo;
146 spinlock_t fifo_lock;
147 struct workqueue_struct *wq;
148 };
149
150 static struct sony_laptop_input_s sony_laptop_input = {
151 .users = ATOMIC_INIT(0),
152 };
153
154 struct sony_laptop_keypress {
155 struct input_dev *dev;
156 int key;
157 };
158
159 /* Correspondance table between sonypi events
160 * and input layer indexes in the keymap
161 */
162 static int sony_laptop_input_index[] = {
163 -1, /* 0 no event */
164 -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */
165 -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */
166 -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
167 -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
168 -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */
169 -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */
170 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */
171 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */
172 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
173 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
174 4, /* 11 SONYPI_EVENT_FNKEY_ESC */
175 5, /* 12 SONYPI_EVENT_FNKEY_F1 */
176 6, /* 13 SONYPI_EVENT_FNKEY_F2 */
177 7, /* 14 SONYPI_EVENT_FNKEY_F3 */
178 8, /* 15 SONYPI_EVENT_FNKEY_F4 */
179 9, /* 16 SONYPI_EVENT_FNKEY_F5 */
180 10, /* 17 SONYPI_EVENT_FNKEY_F6 */
181 11, /* 18 SONYPI_EVENT_FNKEY_F7 */
182 12, /* 19 SONYPI_EVENT_FNKEY_F8 */
183 13, /* 20 SONYPI_EVENT_FNKEY_F9 */
184 14, /* 21 SONYPI_EVENT_FNKEY_F10 */
185 15, /* 22 SONYPI_EVENT_FNKEY_F11 */
186 16, /* 23 SONYPI_EVENT_FNKEY_F12 */
187 17, /* 24 SONYPI_EVENT_FNKEY_1 */
188 18, /* 25 SONYPI_EVENT_FNKEY_2 */
189 19, /* 26 SONYPI_EVENT_FNKEY_D */
190 20, /* 27 SONYPI_EVENT_FNKEY_E */
191 21, /* 28 SONYPI_EVENT_FNKEY_F */
192 22, /* 29 SONYPI_EVENT_FNKEY_S */
193 23, /* 30 SONYPI_EVENT_FNKEY_B */
194 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
195 25, /* 32 SONYPI_EVENT_PKEY_P1 */
196 26, /* 33 SONYPI_EVENT_PKEY_P2 */
197 27, /* 34 SONYPI_EVENT_PKEY_P3 */
198 28, /* 35 SONYPI_EVENT_BACK_PRESSED */
199 -1, /* 36 SONYPI_EVENT_LID_CLOSED */
200 -1, /* 37 SONYPI_EVENT_LID_OPENED */
201 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */
202 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
203 31, /* 40 SONYPI_EVENT_HELP_PRESSED */
204 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */
205 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
206 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
207 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
208 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
209 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
210 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
211 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
212 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
213 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */
214 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
215 43, /* 52 SONYPI_EVENT_MEYE_FACE */
216 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
217 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
218 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
219 -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
220 -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */
221 -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */
222 -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */
223 47, /* 60 SONYPI_EVENT_WIRELESS_ON */
224 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */
225 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
226 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
227 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
228 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
229 53, /* 66 SONYPI_EVENT_PKEY_P4 */
230 54, /* 67 SONYPI_EVENT_PKEY_P5 */
231 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
232 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
233 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
234 -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
235 };
236
237 static int sony_laptop_input_keycode_map[] = {
238 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
239 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
240 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
241 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
242 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
243 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
244 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
245 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
246 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
247 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
248 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
249 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
250 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
251 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
252 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
253 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
254 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
255 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
256 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
257 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
258 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
259 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
260 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
261 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
262 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
263 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
264 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
265 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
266 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
267 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
268 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
269 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
270 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
271 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
272 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
273 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
274 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
275 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
276 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
277 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
278 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
279 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
280 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
281 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
282 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
283 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
284 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
285 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
286 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
287 KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
288 KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
289 KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
290 KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
291 KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */
292 KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */
293 KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
294 KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
295 KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
296 };
297
298 /* release buttons after a short delay if pressed */
299 static void do_sony_laptop_release_key(struct work_struct *work)
300 {
301 struct sony_laptop_keypress kp;
302
303 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
304 sizeof(kp)) == sizeof(kp)) {
305 msleep(10);
306 input_report_key(kp.dev, kp.key, 0);
307 input_sync(kp.dev);
308 }
309 }
310 static DECLARE_WORK(sony_laptop_release_key_work,
311 do_sony_laptop_release_key);
312
313 /* forward event to the input subsystem */
314 static void sony_laptop_report_input_event(u8 event)
315 {
316 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
317 struct input_dev *key_dev = sony_laptop_input.key_dev;
318 struct sony_laptop_keypress kp = { NULL };
319
320 if (event == SONYPI_EVENT_FNKEY_RELEASED ||
321 event == SONYPI_EVENT_ANYBUTTON_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 "Unable 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_P2 },
870 { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
871 { 0x81, SONYPI_EVENT_FNKEY_F1 },
872 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
873 { 0x82, SONYPI_EVENT_FNKEY_F2 },
874 { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
875 { 0x83, SONYPI_EVENT_FNKEY_F3 },
876 { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
877 { 0x84, SONYPI_EVENT_FNKEY_F4 },
878 { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
879 { 0x85, SONYPI_EVENT_FNKEY_F5 },
880 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
881 { 0x86, SONYPI_EVENT_FNKEY_F6 },
882 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
883 { 0x87, SONYPI_EVENT_FNKEY_F7 },
884 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
885 { 0x89, SONYPI_EVENT_FNKEY_F9 },
886 { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
887 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
888 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
889 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
890 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
891 { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
892 { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
893 { 0, 0 },
894 };
895
896 static struct sony_nc_event sony_127_events[] = {
897 { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
898 { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
899 { 0x82, SONYPI_EVENT_PKEY_P1 },
900 { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
901 { 0x83, SONYPI_EVENT_PKEY_P2 },
902 { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
903 { 0x84, SONYPI_EVENT_PKEY_P3 },
904 { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
905 { 0x85, SONYPI_EVENT_PKEY_P4 },
906 { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
907 { 0x86, SONYPI_EVENT_PKEY_P5 },
908 { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
909 { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
910 { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
911 { 0, 0 },
912 };
913
914 /*
915 * ACPI callbacks
916 */
917 static void sony_nc_notify(struct acpi_device *device, u32 event)
918 {
919 u32 ev = event;
920
921 if (ev >= 0x90) {
922 /* New-style event */
923 int result;
924 int key_handle = 0;
925 ev -= 0x90;
926
927 if (sony_find_snc_handle(0x100) == ev)
928 key_handle = 0x100;
929 if (sony_find_snc_handle(0x127) == ev)
930 key_handle = 0x127;
931
932 if (key_handle) {
933 struct sony_nc_event *key_event;
934
935 if (sony_call_snc_handle(key_handle, 0x200, &result)) {
936 dprintk("sony_nc_notify, unable to decode"
937 " event 0x%.2x 0x%.2x\n", key_handle,
938 ev);
939 /* restore the original event */
940 ev = event;
941 } else {
942 ev = result & 0xFF;
943
944 if (key_handle == 0x100)
945 key_event = sony_100_events;
946 else
947 key_event = sony_127_events;
948
949 for (; key_event->data; key_event++) {
950 if (key_event->data == ev) {
951 ev = key_event->event;
952 break;
953 }
954 }
955
956 if (!key_event->data)
957 printk(KERN_INFO DRV_PFX
958 "Unknown event: 0x%x 0x%x\n",
959 key_handle,
960 ev);
961 else
962 sony_laptop_report_input_event(ev);
963 }
964 } else if (sony_find_snc_handle(0x124) == ev) {
965 sony_nc_rfkill_update();
966 return;
967 }
968 } else
969 sony_laptop_report_input_event(ev);
970
971 dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
972 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
973 }
974
975 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
976 void *context, void **return_value)
977 {
978 struct acpi_device_info *info;
979 struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
980
981 if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
982 info = buffer.pointer;
983
984 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
985 (char *)&info->name, info->param_count);
986
987 kfree(buffer.pointer);
988 }
989
990 return AE_OK;
991 }
992
993 /*
994 * ACPI device
995 */
996 static int sony_nc_function_setup(struct acpi_device *device)
997 {
998 int result;
999
1000 /* Enable all events */
1001 acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1002
1003 /* Setup hotkeys */
1004 sony_call_snc_handle(0x0100, 0, &result);
1005 sony_call_snc_handle(0x0101, 0, &result);
1006 sony_call_snc_handle(0x0102, 0x100, &result);
1007 sony_call_snc_handle(0x0127, 0, &result);
1008
1009 return 0;
1010 }
1011
1012 static int sony_nc_resume(struct acpi_device *device)
1013 {
1014 struct sony_nc_value *item;
1015 acpi_handle handle;
1016
1017 for (item = sony_nc_values; item->name; item++) {
1018 int ret;
1019
1020 if (!item->valid)
1021 continue;
1022 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1023 item->value, NULL);
1024 if (ret < 0) {
1025 printk("%s: %d\n", __func__, ret);
1026 break;
1027 }
1028 }
1029
1030 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1031 &handle))) {
1032 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1033 dprintk("ECON Method failed\n");
1034 }
1035
1036 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1037 &handle))) {
1038 dprintk("Doing SNC setup\n");
1039 sony_nc_function_setup(device);
1040 }
1041
1042 /* set the last requested brightness level */
1043 if (sony_backlight_device &&
1044 sony_backlight_update_status(sony_backlight_device) < 0)
1045 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1046
1047 return 0;
1048 }
1049
1050 static void sony_nc_rfkill_cleanup(void)
1051 {
1052 int i;
1053
1054 for (i = 0; i < SONY_RFKILL_MAX; i++) {
1055 if (sony_rfkill_devices[i])
1056 rfkill_unregister(sony_rfkill_devices[i]);
1057 }
1058 }
1059
1060 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
1061 {
1062 int result;
1063 int argument = sony_rfkill_address[(long) data];
1064
1065 sony_call_snc_handle(0x124, 0x200, &result);
1066 if (result & 0x1) {
1067 sony_call_snc_handle(0x124, argument, &result);
1068 if (result & 0xf)
1069 *state = RFKILL_STATE_UNBLOCKED;
1070 else
1071 *state = RFKILL_STATE_SOFT_BLOCKED;
1072 } else {
1073 *state = RFKILL_STATE_HARD_BLOCKED;
1074 }
1075
1076 return 0;
1077 }
1078
1079 static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
1080 {
1081 int result;
1082 int argument = sony_rfkill_address[(long) data] + 0x100;
1083
1084 if (state == RFKILL_STATE_UNBLOCKED)
1085 argument |= 0xff0000;
1086
1087 return sony_call_snc_handle(0x124, argument, &result);
1088 }
1089
1090 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
1091 {
1092 int err = 0;
1093 struct rfkill *sony_wifi_rfkill;
1094
1095 sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
1096 if (!sony_wifi_rfkill)
1097 return -1;
1098 sony_wifi_rfkill->name = "sony-wifi";
1099 sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
1100 sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
1101 sony_wifi_rfkill->user_claim_unsupported = 1;
1102 sony_wifi_rfkill->data = (void *)SONY_WIFI;
1103 err = rfkill_register(sony_wifi_rfkill);
1104 if (err)
1105 rfkill_free(sony_wifi_rfkill);
1106 else {
1107 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
1108 sony_nc_rfkill_set(sony_wifi_rfkill->data,
1109 RFKILL_STATE_UNBLOCKED);
1110 }
1111 return err;
1112 }
1113
1114 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
1115 {
1116 int err = 0;
1117 struct rfkill *sony_bluetooth_rfkill;
1118
1119 sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
1120 RFKILL_TYPE_BLUETOOTH);
1121 if (!sony_bluetooth_rfkill)
1122 return -1;
1123 sony_bluetooth_rfkill->name = "sony-bluetooth";
1124 sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
1125 sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
1126 sony_bluetooth_rfkill->user_claim_unsupported = 1;
1127 sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
1128 err = rfkill_register(sony_bluetooth_rfkill);
1129 if (err)
1130 rfkill_free(sony_bluetooth_rfkill);
1131 else {
1132 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
1133 sony_nc_rfkill_set(sony_bluetooth_rfkill->data,
1134 RFKILL_STATE_UNBLOCKED);
1135 }
1136 return err;
1137 }
1138
1139 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
1140 {
1141 int err = 0;
1142 struct rfkill *sony_wwan_rfkill;
1143
1144 sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
1145 if (!sony_wwan_rfkill)
1146 return -1;
1147 sony_wwan_rfkill->name = "sony-wwan";
1148 sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
1149 sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
1150 sony_wwan_rfkill->user_claim_unsupported = 1;
1151 sony_wwan_rfkill->data = (void *)SONY_WWAN;
1152 err = rfkill_register(sony_wwan_rfkill);
1153 if (err)
1154 rfkill_free(sony_wwan_rfkill);
1155 else {
1156 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
1157 sony_nc_rfkill_set(sony_wwan_rfkill->data,
1158 RFKILL_STATE_UNBLOCKED);
1159 }
1160 return err;
1161 }
1162
1163 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
1164 {
1165 int err = 0;
1166 struct rfkill *sony_wimax_rfkill;
1167
1168 sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
1169 if (!sony_wimax_rfkill)
1170 return -1;
1171 sony_wimax_rfkill->name = "sony-wimax";
1172 sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
1173 sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
1174 sony_wimax_rfkill->user_claim_unsupported = 1;
1175 sony_wimax_rfkill->data = (void *)SONY_WIMAX;
1176 err = rfkill_register(sony_wimax_rfkill);
1177 if (err)
1178 rfkill_free(sony_wimax_rfkill);
1179 else {
1180 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
1181 sony_nc_rfkill_set(sony_wimax_rfkill->data,
1182 RFKILL_STATE_UNBLOCKED);
1183 }
1184 return err;
1185 }
1186
1187 static void sony_nc_rfkill_update()
1188 {
1189 int i;
1190 enum rfkill_state state;
1191
1192 for (i = 0; i < SONY_RFKILL_MAX; i++) {
1193 if (sony_rfkill_devices[i]) {
1194 sony_rfkill_devices[i]->
1195 get_state(sony_rfkill_devices[i]->data,
1196 &state);
1197 rfkill_force_state(sony_rfkill_devices[i], state);
1198 }
1199 }
1200 }
1201
1202 static int sony_nc_rfkill_setup(struct acpi_device *device)
1203 {
1204 int result, ret;
1205
1206 if (sony_find_snc_handle(0x124) == -1)
1207 return -1;
1208
1209 ret = sony_call_snc_handle(0x124, 0xb00, &result);
1210 if (ret) {
1211 printk(KERN_INFO DRV_PFX
1212 "Unable to enumerate rfkill devices: %x\n", ret);
1213 return ret;
1214 }
1215
1216 if (result & 0x1)
1217 sony_nc_setup_wifi_rfkill(device);
1218 if (result & 0x2)
1219 sony_nc_setup_bluetooth_rfkill(device);
1220 if (result & 0x1c)
1221 sony_nc_setup_wwan_rfkill(device);
1222 if (result & 0x20)
1223 sony_nc_setup_wimax_rfkill(device);
1224
1225 return 0;
1226 }
1227
1228 static int sony_nc_add(struct acpi_device *device)
1229 {
1230 acpi_status status;
1231 int result = 0;
1232 acpi_handle handle;
1233 struct sony_nc_value *item;
1234
1235 printk(KERN_INFO DRV_PFX "%s v%s.\n",
1236 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1237
1238 sony_nc_acpi_device = device;
1239 strcpy(acpi_device_class(device), "sony/hotkey");
1240
1241 sony_nc_acpi_handle = device->handle;
1242
1243 /* read device status */
1244 result = acpi_bus_get_status(device);
1245 /* bail IFF the above call was successful and the device is not present */
1246 if (!result && !device->status.present) {
1247 dprintk("Device not present\n");
1248 result = -ENODEV;
1249 goto outwalk;
1250 }
1251
1252 if (debug) {
1253 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1254 1, sony_walk_callback, NULL, NULL);
1255 if (ACPI_FAILURE(status)) {
1256 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1257 result = -ENODEV;
1258 goto outwalk;
1259 }
1260 }
1261
1262 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1263 * should be respected as we already checked for the device presence above */
1264 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1265 dprintk("Invoking _INI\n");
1266 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1267 NULL, NULL)))
1268 dprintk("_INI Method failed\n");
1269 }
1270
1271 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1272 &handle))) {
1273 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1274 dprintk("ECON Method failed\n");
1275 }
1276
1277 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1278 &handle))) {
1279 dprintk("Doing SNC setup\n");
1280 sony_nc_function_setup(device);
1281 sony_nc_rfkill_setup(device);
1282 }
1283
1284 /* setup input devices and helper fifo */
1285 result = sony_laptop_setup_input(device);
1286 if (result) {
1287 printk(KERN_ERR DRV_PFX
1288 "Unable to create input devices.\n");
1289 goto outwalk;
1290 }
1291
1292 if (acpi_video_backlight_support()) {
1293 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1294 "controlled by ACPI video driver\n");
1295 } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1296 &handle))) {
1297 sony_backlight_device = backlight_device_register("sony", NULL,
1298 NULL,
1299 &sony_backlight_ops);
1300
1301 if (IS_ERR(sony_backlight_device)) {
1302 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1303 sony_backlight_device = NULL;
1304 } else {
1305 sony_backlight_device->props.brightness =
1306 sony_backlight_get_brightness
1307 (sony_backlight_device);
1308 sony_backlight_device->props.max_brightness =
1309 SONY_MAX_BRIGHTNESS - 1;
1310 }
1311
1312 }
1313
1314 result = sony_pf_add();
1315 if (result)
1316 goto outbacklight;
1317
1318 /* create sony_pf sysfs attributes related to the SNC device */
1319 for (item = sony_nc_values; item->name; ++item) {
1320
1321 if (!debug && item->debug)
1322 continue;
1323
1324 /* find the available acpiget as described in the DSDT */
1325 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1326 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1327 *item->acpiget,
1328 &handle))) {
1329 dprintk("Found %s getter: %s\n",
1330 item->name, *item->acpiget);
1331 item->devattr.attr.mode |= S_IRUGO;
1332 break;
1333 }
1334 }
1335
1336 /* find the available acpiset as described in the DSDT */
1337 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1338 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1339 *item->acpiset,
1340 &handle))) {
1341 dprintk("Found %s setter: %s\n",
1342 item->name, *item->acpiset);
1343 item->devattr.attr.mode |= S_IWUSR;
1344 break;
1345 }
1346 }
1347
1348 if (item->devattr.attr.mode != 0) {
1349 result =
1350 device_create_file(&sony_pf_device->dev,
1351 &item->devattr);
1352 if (result)
1353 goto out_sysfs;
1354 }
1355 }
1356
1357 return 0;
1358
1359 out_sysfs:
1360 for (item = sony_nc_values; item->name; ++item) {
1361 device_remove_file(&sony_pf_device->dev, &item->devattr);
1362 }
1363 sony_pf_remove();
1364
1365 outbacklight:
1366 if (sony_backlight_device)
1367 backlight_device_unregister(sony_backlight_device);
1368
1369 sony_laptop_remove_input();
1370
1371 outwalk:
1372 sony_nc_rfkill_cleanup();
1373 return result;
1374 }
1375
1376 static int sony_nc_remove(struct acpi_device *device, int type)
1377 {
1378 struct sony_nc_value *item;
1379
1380 if (sony_backlight_device)
1381 backlight_device_unregister(sony_backlight_device);
1382
1383 sony_nc_acpi_device = NULL;
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 .notify = sony_nc_notify,
1419 },
1420 };
1421
1422 /*********** SPIC (SNY6001) Device ***********/
1423
1424 #define SONYPI_DEVICE_TYPE1 0x00000001
1425 #define SONYPI_DEVICE_TYPE2 0x00000002
1426 #define SONYPI_DEVICE_TYPE3 0x00000004
1427 #define SONYPI_DEVICE_TYPE4 0x00000008
1428
1429 #define SONYPI_TYPE1_OFFSET 0x04
1430 #define SONYPI_TYPE2_OFFSET 0x12
1431 #define SONYPI_TYPE3_OFFSET 0x12
1432
1433 struct sony_pic_ioport {
1434 struct acpi_resource_io io1;
1435 struct acpi_resource_io io2;
1436 struct list_head list;
1437 };
1438
1439 struct sony_pic_irq {
1440 struct acpi_resource_irq irq;
1441 struct list_head list;
1442 };
1443
1444 struct sonypi_eventtypes {
1445 u8 data;
1446 unsigned long mask;
1447 struct sonypi_event *events;
1448 };
1449
1450 struct device_ctrl {
1451 int model;
1452 int (*handle_irq)(const u8, const u8);
1453 u16 evport_offset;
1454 u8 has_camera;
1455 u8 has_bluetooth;
1456 u8 has_wwan;
1457 struct sonypi_eventtypes *event_types;
1458 };
1459
1460 struct sony_pic_dev {
1461 struct device_ctrl *control;
1462 struct acpi_device *acpi_dev;
1463 struct sony_pic_irq *cur_irq;
1464 struct sony_pic_ioport *cur_ioport;
1465 struct list_head interrupts;
1466 struct list_head ioports;
1467 struct mutex lock;
1468 u8 camera_power;
1469 u8 bluetooth_power;
1470 u8 wwan_power;
1471 };
1472
1473 static struct sony_pic_dev spic_dev = {
1474 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1475 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1476 };
1477
1478 /* Event masks */
1479 #define SONYPI_JOGGER_MASK 0x00000001
1480 #define SONYPI_CAPTURE_MASK 0x00000002
1481 #define SONYPI_FNKEY_MASK 0x00000004
1482 #define SONYPI_BLUETOOTH_MASK 0x00000008
1483 #define SONYPI_PKEY_MASK 0x00000010
1484 #define SONYPI_BACK_MASK 0x00000020
1485 #define SONYPI_HELP_MASK 0x00000040
1486 #define SONYPI_LID_MASK 0x00000080
1487 #define SONYPI_ZOOM_MASK 0x00000100
1488 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1489 #define SONYPI_MEYE_MASK 0x00000400
1490 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1491 #define SONYPI_BATTERY_MASK 0x00001000
1492 #define SONYPI_WIRELESS_MASK 0x00002000
1493
1494 struct sonypi_event {
1495 u8 data;
1496 u8 event;
1497 };
1498
1499 /* The set of possible button release events */
1500 static struct sonypi_event sonypi_releaseev[] = {
1501 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1502 { 0, 0 }
1503 };
1504
1505 /* The set of possible jogger events */
1506 static struct sonypi_event sonypi_joggerev[] = {
1507 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1508 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1509 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1510 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1511 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1512 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1513 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1514 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1515 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1516 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1517 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1518 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1519 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1520 { 0, 0 }
1521 };
1522
1523 /* The set of possible capture button events */
1524 static struct sonypi_event sonypi_captureev[] = {
1525 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1526 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1527 { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1528 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1529 { 0, 0 }
1530 };
1531
1532 /* The set of possible fnkeys events */
1533 static struct sonypi_event sonypi_fnkeyev[] = {
1534 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1535 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1536 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1537 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1538 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1539 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1540 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1541 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1542 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1543 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1544 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1545 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1546 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1547 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1548 { 0x21, SONYPI_EVENT_FNKEY_1 },
1549 { 0x22, SONYPI_EVENT_FNKEY_2 },
1550 { 0x31, SONYPI_EVENT_FNKEY_D },
1551 { 0x32, SONYPI_EVENT_FNKEY_E },
1552 { 0x33, SONYPI_EVENT_FNKEY_F },
1553 { 0x34, SONYPI_EVENT_FNKEY_S },
1554 { 0x35, SONYPI_EVENT_FNKEY_B },
1555 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1556 { 0, 0 }
1557 };
1558
1559 /* The set of possible program key events */
1560 static struct sonypi_event sonypi_pkeyev[] = {
1561 { 0x01, SONYPI_EVENT_PKEY_P1 },
1562 { 0x02, SONYPI_EVENT_PKEY_P2 },
1563 { 0x04, SONYPI_EVENT_PKEY_P3 },
1564 { 0x20, SONYPI_EVENT_PKEY_P1 },
1565 { 0, 0 }
1566 };
1567
1568 /* The set of possible bluetooth events */
1569 static struct sonypi_event sonypi_blueev[] = {
1570 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1571 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1572 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1573 { 0, 0 }
1574 };
1575
1576 /* The set of possible wireless events */
1577 static struct sonypi_event sonypi_wlessev[] = {
1578 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1579 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1580 { 0, 0 }
1581 };
1582
1583 /* The set of possible back button events */
1584 static struct sonypi_event sonypi_backev[] = {
1585 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1586 { 0, 0 }
1587 };
1588
1589 /* The set of possible help button events */
1590 static struct sonypi_event sonypi_helpev[] = {
1591 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1592 { 0, 0 }
1593 };
1594
1595
1596 /* The set of possible lid events */
1597 static struct sonypi_event sonypi_lidev[] = {
1598 { 0x51, SONYPI_EVENT_LID_CLOSED },
1599 { 0x50, SONYPI_EVENT_LID_OPENED },
1600 { 0, 0 }
1601 };
1602
1603 /* The set of possible zoom events */
1604 static struct sonypi_event sonypi_zoomev[] = {
1605 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1606 { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1607 { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1608 { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1609 { 0, 0 }
1610 };
1611
1612 /* The set of possible thumbphrase events */
1613 static struct sonypi_event sonypi_thumbphraseev[] = {
1614 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1615 { 0, 0 }
1616 };
1617
1618 /* The set of possible motioneye camera events */
1619 static struct sonypi_event sonypi_meyeev[] = {
1620 { 0x00, SONYPI_EVENT_MEYE_FACE },
1621 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1622 { 0, 0 }
1623 };
1624
1625 /* The set of possible memorystick events */
1626 static struct sonypi_event sonypi_memorystickev[] = {
1627 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1628 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1629 { 0, 0 }
1630 };
1631
1632 /* The set of possible battery events */
1633 static struct sonypi_event sonypi_batteryev[] = {
1634 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1635 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1636 { 0, 0 }
1637 };
1638
1639 /* The set of possible volume events */
1640 static struct sonypi_event sonypi_volumeev[] = {
1641 { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1642 { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1643 { 0, 0 }
1644 };
1645
1646 /* The set of possible brightness events */
1647 static struct sonypi_event sonypi_brightnessev[] = {
1648 { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1649 { 0, 0 }
1650 };
1651
1652 static struct sonypi_eventtypes type1_events[] = {
1653 { 0, 0xffffffff, sonypi_releaseev },
1654 { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1655 { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1656 { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1657 { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1658 { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1659 { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1660 { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1661 { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1662 { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1663 { 0 },
1664 };
1665 static struct sonypi_eventtypes type2_events[] = {
1666 { 0, 0xffffffff, sonypi_releaseev },
1667 { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1668 { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1669 { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1670 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1671 { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1672 { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1673 { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1674 { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1675 { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1676 { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1677 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1678 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1679 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1680 { 0 },
1681 };
1682 static struct sonypi_eventtypes type3_events[] = {
1683 { 0, 0xffffffff, sonypi_releaseev },
1684 { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1685 { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1686 { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1687 { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1688 { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1689 { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1690 { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1691 { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1692 { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1693 { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1694 { 0 },
1695 };
1696
1697 /* low level spic calls */
1698 #define ITERATIONS_LONG 10000
1699 #define ITERATIONS_SHORT 10
1700 #define wait_on_command(command, iterations) { \
1701 unsigned int n = iterations; \
1702 while (--n && (command)) \
1703 udelay(1); \
1704 if (!n) \
1705 dprintk("command failed at %s : %s (line %d)\n", \
1706 __FILE__, __func__, __LINE__); \
1707 }
1708
1709 static u8 sony_pic_call1(u8 dev)
1710 {
1711 u8 v1, v2;
1712
1713 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1714 ITERATIONS_LONG);
1715 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1716 v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1717 v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1718 dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1719 return v2;
1720 }
1721
1722 static u8 sony_pic_call2(u8 dev, u8 fn)
1723 {
1724 u8 v1;
1725
1726 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1727 ITERATIONS_LONG);
1728 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1729 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1730 ITERATIONS_LONG);
1731 outb(fn, spic_dev.cur_ioport->io1.minimum);
1732 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1733 dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1734 return v1;
1735 }
1736
1737 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1738 {
1739 u8 v1;
1740
1741 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1742 outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1743 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1744 outb(fn, spic_dev.cur_ioport->io1.minimum);
1745 wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1746 outb(v, spic_dev.cur_ioport->io1.minimum);
1747 v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1748 dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1749 dev, fn, v, v1);
1750 return v1;
1751 }
1752
1753 /*
1754 * minidrivers for SPIC models
1755 */
1756 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1757 {
1758 /*
1759 * 0x31 could mean we have to take some extra action and wait for
1760 * the next irq for some Type3 models, it will generate a new
1761 * irq and we can read new data from the device:
1762 * - 0x5c and 0x5f requires 0xA0
1763 * - 0x61 requires 0xB3
1764 */
1765 if (data_mask == 0x31) {
1766 if (ev == 0x5c || ev == 0x5f)
1767 sony_pic_call1(0xA0);
1768 else if (ev == 0x61)
1769 sony_pic_call1(0xB3);
1770 return 0;
1771 }
1772 return 1;
1773 }
1774
1775 static struct device_ctrl spic_types[] = {
1776 {
1777 .model = SONYPI_DEVICE_TYPE1,
1778 .handle_irq = NULL,
1779 .evport_offset = SONYPI_TYPE1_OFFSET,
1780 .event_types = type1_events,
1781 },
1782 {
1783 .model = SONYPI_DEVICE_TYPE2,
1784 .handle_irq = NULL,
1785 .evport_offset = SONYPI_TYPE2_OFFSET,
1786 .event_types = type2_events,
1787 },
1788 {
1789 .model = SONYPI_DEVICE_TYPE3,
1790 .handle_irq = type3_handle_irq,
1791 .evport_offset = SONYPI_TYPE3_OFFSET,
1792 .event_types = type3_events,
1793 },
1794 };
1795
1796 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1797 {
1798 struct pci_dev *pcidev;
1799
1800 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1801 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1802 if (pcidev) {
1803 dev->control = &spic_types[0];
1804 goto out;
1805 }
1806
1807 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1808 PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1809 if (pcidev) {
1810 dev->control = &spic_types[2];
1811 goto out;
1812 }
1813
1814 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1815 PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1816 if (pcidev) {
1817 dev->control = &spic_types[2];
1818 goto out;
1819 }
1820
1821 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1822 PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1823 if (pcidev) {
1824 dev->control = &spic_types[2];
1825 goto out;
1826 }
1827
1828 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1829 PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1830 if (pcidev) {
1831 dev->control = &spic_types[2];
1832 goto out;
1833 }
1834
1835 /* default */
1836 dev->control = &spic_types[1];
1837
1838 out:
1839 if (pcidev)
1840 pci_dev_put(pcidev);
1841
1842 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1843 dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1844 dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1845 }
1846
1847 /* camera tests and poweron/poweroff */
1848 #define SONYPI_CAMERA_PICTURE 5
1849 #define SONYPI_CAMERA_CONTROL 0x10
1850
1851 #define SONYPI_CAMERA_BRIGHTNESS 0
1852 #define SONYPI_CAMERA_CONTRAST 1
1853 #define SONYPI_CAMERA_HUE 2
1854 #define SONYPI_CAMERA_COLOR 3
1855 #define SONYPI_CAMERA_SHARPNESS 4
1856
1857 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1858 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1859 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1860 #define SONYPI_CAMERA_MUTE_MASK 0x40
1861
1862 /* the rest don't need a loop until not 0xff */
1863 #define SONYPI_CAMERA_AGC 6
1864 #define SONYPI_CAMERA_AGC_MASK 0x30
1865 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1866
1867 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1868 #define SONYPI_CAMERA_CONTROL 0x10
1869
1870 #define SONYPI_CAMERA_STATUS 7
1871 #define SONYPI_CAMERA_STATUS_READY 0x2
1872 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1873
1874 #define SONYPI_DIRECTION_BACKWARDS 0x4
1875
1876 #define SONYPI_CAMERA_REVISION 8
1877 #define SONYPI_CAMERA_ROMVERSION 9
1878
1879 static int __sony_pic_camera_ready(void)
1880 {
1881 u8 v;
1882
1883 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1884 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1885 }
1886
1887 static int __sony_pic_camera_off(void)
1888 {
1889 if (!camera) {
1890 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1891 return -ENODEV;
1892 }
1893
1894 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1895 SONYPI_CAMERA_MUTE_MASK),
1896 ITERATIONS_SHORT);
1897
1898 if (spic_dev.camera_power) {
1899 sony_pic_call2(0x91, 0);
1900 spic_dev.camera_power = 0;
1901 }
1902 return 0;
1903 }
1904
1905 static int __sony_pic_camera_on(void)
1906 {
1907 int i, j, x;
1908
1909 if (!camera) {
1910 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1911 return -ENODEV;
1912 }
1913
1914 if (spic_dev.camera_power)
1915 return 0;
1916
1917 for (j = 5; j > 0; j--) {
1918
1919 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1920 msleep(10);
1921 sony_pic_call1(0x93);
1922
1923 for (i = 400; i > 0; i--) {
1924 if (__sony_pic_camera_ready())
1925 break;
1926 msleep(10);
1927 }
1928 if (i)
1929 break;
1930 }
1931
1932 if (j == 0) {
1933 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1934 return -ENODEV;
1935 }
1936
1937 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1938 0x5a),
1939 ITERATIONS_SHORT);
1940
1941 spic_dev.camera_power = 1;
1942 return 0;
1943 }
1944
1945 /* External camera command (exported to the motion eye v4l driver) */
1946 int sony_pic_camera_command(int command, u8 value)
1947 {
1948 if (!camera)
1949 return -EIO;
1950
1951 mutex_lock(&spic_dev.lock);
1952
1953 switch (command) {
1954 case SONY_PIC_COMMAND_SETCAMERA:
1955 if (value)
1956 __sony_pic_camera_on();
1957 else
1958 __sony_pic_camera_off();
1959 break;
1960 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1961 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1962 ITERATIONS_SHORT);
1963 break;
1964 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1965 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1966 ITERATIONS_SHORT);
1967 break;
1968 case SONY_PIC_COMMAND_SETCAMERAHUE:
1969 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1970 ITERATIONS_SHORT);
1971 break;
1972 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1973 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1974 ITERATIONS_SHORT);
1975 break;
1976 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1977 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1978 ITERATIONS_SHORT);
1979 break;
1980 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1981 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1982 ITERATIONS_SHORT);
1983 break;
1984 case SONY_PIC_COMMAND_SETCAMERAAGC:
1985 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1986 ITERATIONS_SHORT);
1987 break;
1988 default:
1989 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1990 command);
1991 break;
1992 }
1993 mutex_unlock(&spic_dev.lock);
1994 return 0;
1995 }
1996 EXPORT_SYMBOL(sony_pic_camera_command);
1997
1998 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1999 static void __sony_pic_set_wwanpower(u8 state)
2000 {
2001 state = !!state;
2002 if (spic_dev.wwan_power == state)
2003 return;
2004 sony_pic_call2(0xB0, state);
2005 sony_pic_call1(0x82);
2006 spic_dev.wwan_power = state;
2007 }
2008
2009 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2010 struct device_attribute *attr,
2011 const char *buffer, size_t count)
2012 {
2013 unsigned long value;
2014 if (count > 31)
2015 return -EINVAL;
2016
2017 value = simple_strtoul(buffer, NULL, 10);
2018 mutex_lock(&spic_dev.lock);
2019 __sony_pic_set_wwanpower(value);
2020 mutex_unlock(&spic_dev.lock);
2021
2022 return count;
2023 }
2024
2025 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2026 struct device_attribute *attr, char *buffer)
2027 {
2028 ssize_t count;
2029 mutex_lock(&spic_dev.lock);
2030 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2031 mutex_unlock(&spic_dev.lock);
2032 return count;
2033 }
2034
2035 /* bluetooth subsystem power state */
2036 static void __sony_pic_set_bluetoothpower(u8 state)
2037 {
2038 state = !!state;
2039 if (spic_dev.bluetooth_power == state)
2040 return;
2041 sony_pic_call2(0x96, state);
2042 sony_pic_call1(0x82);
2043 spic_dev.bluetooth_power = state;
2044 }
2045
2046 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2047 struct device_attribute *attr,
2048 const char *buffer, size_t count)
2049 {
2050 unsigned long value;
2051 if (count > 31)
2052 return -EINVAL;
2053
2054 value = simple_strtoul(buffer, NULL, 10);
2055 mutex_lock(&spic_dev.lock);
2056 __sony_pic_set_bluetoothpower(value);
2057 mutex_unlock(&spic_dev.lock);
2058
2059 return count;
2060 }
2061
2062 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2063 struct device_attribute *attr, char *buffer)
2064 {
2065 ssize_t count = 0;
2066 mutex_lock(&spic_dev.lock);
2067 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2068 mutex_unlock(&spic_dev.lock);
2069 return count;
2070 }
2071
2072 /* fan speed */
2073 /* FAN0 information (reverse engineered from ACPI tables) */
2074 #define SONY_PIC_FAN0_STATUS 0x93
2075 static int sony_pic_set_fanspeed(unsigned long value)
2076 {
2077 return ec_write(SONY_PIC_FAN0_STATUS, value);
2078 }
2079
2080 static int sony_pic_get_fanspeed(u8 *value)
2081 {
2082 return ec_read(SONY_PIC_FAN0_STATUS, value);
2083 }
2084
2085 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2086 struct device_attribute *attr,
2087 const char *buffer, size_t count)
2088 {
2089 unsigned long value;
2090 if (count > 31)
2091 return -EINVAL;
2092
2093 value = simple_strtoul(buffer, NULL, 10);
2094 if (sony_pic_set_fanspeed(value))
2095 return -EIO;
2096
2097 return count;
2098 }
2099
2100 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2101 struct device_attribute *attr, char *buffer)
2102 {
2103 u8 value = 0;
2104 if (sony_pic_get_fanspeed(&value))
2105 return -EIO;
2106
2107 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2108 }
2109
2110 #define SPIC_ATTR(_name, _mode) \
2111 struct device_attribute spic_attr_##_name = __ATTR(_name, \
2112 _mode, sony_pic_## _name ##_show, \
2113 sony_pic_## _name ##_store)
2114
2115 static SPIC_ATTR(bluetoothpower, 0644);
2116 static SPIC_ATTR(wwanpower, 0644);
2117 static SPIC_ATTR(fanspeed, 0644);
2118
2119 static struct attribute *spic_attributes[] = {
2120 &spic_attr_bluetoothpower.attr,
2121 &spic_attr_wwanpower.attr,
2122 &spic_attr_fanspeed.attr,
2123 NULL
2124 };
2125
2126 static struct attribute_group spic_attribute_group = {
2127 .attrs = spic_attributes
2128 };
2129
2130 /******** SONYPI compatibility **********/
2131 #ifdef CONFIG_SONYPI_COMPAT
2132
2133 /* battery / brightness / temperature addresses */
2134 #define SONYPI_BAT_FLAGS 0x81
2135 #define SONYPI_LCD_LIGHT 0x96
2136 #define SONYPI_BAT1_PCTRM 0xa0
2137 #define SONYPI_BAT1_LEFT 0xa2
2138 #define SONYPI_BAT1_MAXRT 0xa4
2139 #define SONYPI_BAT2_PCTRM 0xa8
2140 #define SONYPI_BAT2_LEFT 0xaa
2141 #define SONYPI_BAT2_MAXRT 0xac
2142 #define SONYPI_BAT1_MAXTK 0xb0
2143 #define SONYPI_BAT1_FULL 0xb2
2144 #define SONYPI_BAT2_MAXTK 0xb8
2145 #define SONYPI_BAT2_FULL 0xba
2146 #define SONYPI_TEMP_STATUS 0xC1
2147
2148 struct sonypi_compat_s {
2149 struct fasync_struct *fifo_async;
2150 struct kfifo *fifo;
2151 spinlock_t fifo_lock;
2152 wait_queue_head_t fifo_proc_list;
2153 atomic_t open_count;
2154 };
2155 static struct sonypi_compat_s sonypi_compat = {
2156 .open_count = ATOMIC_INIT(0),
2157 };
2158
2159 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2160 {
2161 return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2162 }
2163
2164 static int sonypi_misc_release(struct inode *inode, struct file *file)
2165 {
2166 atomic_dec(&sonypi_compat.open_count);
2167 return 0;
2168 }
2169
2170 static int sonypi_misc_open(struct inode *inode, struct file *file)
2171 {
2172 /* Flush input queue on first open */
2173 unsigned long flags;
2174
2175 spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2176
2177 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2178 __kfifo_reset(sonypi_compat.fifo);
2179
2180 spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2181
2182 return 0;
2183 }
2184
2185 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2186 size_t count, loff_t *pos)
2187 {
2188 ssize_t ret;
2189 unsigned char c;
2190
2191 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2192 (file->f_flags & O_NONBLOCK))
2193 return -EAGAIN;
2194
2195 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2196 kfifo_len(sonypi_compat.fifo) != 0);
2197 if (ret)
2198 return ret;
2199
2200 while (ret < count &&
2201 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2202 if (put_user(c, buf++))
2203 return -EFAULT;
2204 ret++;
2205 }
2206
2207 if (ret > 0) {
2208 struct inode *inode = file->f_path.dentry->d_inode;
2209 inode->i_atime = current_fs_time(inode->i_sb);
2210 }
2211
2212 return ret;
2213 }
2214
2215 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2216 {
2217 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2218 if (kfifo_len(sonypi_compat.fifo))
2219 return POLLIN | POLLRDNORM;
2220 return 0;
2221 }
2222
2223 static int ec_read16(u8 addr, u16 *value)
2224 {
2225 u8 val_lb, val_hb;
2226 if (ec_read(addr, &val_lb))
2227 return -1;
2228 if (ec_read(addr + 1, &val_hb))
2229 return -1;
2230 *value = val_lb | (val_hb << 8);
2231 return 0;
2232 }
2233
2234 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2235 unsigned long arg)
2236 {
2237 int ret = 0;
2238 void __user *argp = (void __user *)arg;
2239 u8 val8;
2240 u16 val16;
2241 int value;
2242
2243 mutex_lock(&spic_dev.lock);
2244 switch (cmd) {
2245 case SONYPI_IOCGBRT:
2246 if (sony_backlight_device == NULL) {
2247 ret = -EIO;
2248 break;
2249 }
2250 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2251 ret = -EIO;
2252 break;
2253 }
2254 val8 = ((value & 0xff) - 1) << 5;
2255 if (copy_to_user(argp, &val8, sizeof(val8)))
2256 ret = -EFAULT;
2257 break;
2258 case SONYPI_IOCSBRT:
2259 if (sony_backlight_device == NULL) {
2260 ret = -EIO;
2261 break;
2262 }
2263 if (copy_from_user(&val8, argp, sizeof(val8))) {
2264 ret = -EFAULT;
2265 break;
2266 }
2267 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2268 (val8 >> 5) + 1, NULL)) {
2269 ret = -EIO;
2270 break;
2271 }
2272 /* sync the backlight device status */
2273 sony_backlight_device->props.brightness =
2274 sony_backlight_get_brightness(sony_backlight_device);
2275 break;
2276 case SONYPI_IOCGBAT1CAP:
2277 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2278 ret = -EIO;
2279 break;
2280 }
2281 if (copy_to_user(argp, &val16, sizeof(val16)))
2282 ret = -EFAULT;
2283 break;
2284 case SONYPI_IOCGBAT1REM:
2285 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2286 ret = -EIO;
2287 break;
2288 }
2289 if (copy_to_user(argp, &val16, sizeof(val16)))
2290 ret = -EFAULT;
2291 break;
2292 case SONYPI_IOCGBAT2CAP:
2293 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2294 ret = -EIO;
2295 break;
2296 }
2297 if (copy_to_user(argp, &val16, sizeof(val16)))
2298 ret = -EFAULT;
2299 break;
2300 case SONYPI_IOCGBAT2REM:
2301 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2302 ret = -EIO;
2303 break;
2304 }
2305 if (copy_to_user(argp, &val16, sizeof(val16)))
2306 ret = -EFAULT;
2307 break;
2308 case SONYPI_IOCGBATFLAGS:
2309 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2310 ret = -EIO;
2311 break;
2312 }
2313 val8 &= 0x07;
2314 if (copy_to_user(argp, &val8, sizeof(val8)))
2315 ret = -EFAULT;
2316 break;
2317 case SONYPI_IOCGBLUE:
2318 val8 = spic_dev.bluetooth_power;
2319 if (copy_to_user(argp, &val8, sizeof(val8)))
2320 ret = -EFAULT;
2321 break;
2322 case SONYPI_IOCSBLUE:
2323 if (copy_from_user(&val8, argp, sizeof(val8))) {
2324 ret = -EFAULT;
2325 break;
2326 }
2327 __sony_pic_set_bluetoothpower(val8);
2328 break;
2329 /* FAN Controls */
2330 case SONYPI_IOCGFAN:
2331 if (sony_pic_get_fanspeed(&val8)) {
2332 ret = -EIO;
2333 break;
2334 }
2335 if (copy_to_user(argp, &val8, sizeof(val8)))
2336 ret = -EFAULT;
2337 break;
2338 case SONYPI_IOCSFAN:
2339 if (copy_from_user(&val8, argp, sizeof(val8))) {
2340 ret = -EFAULT;
2341 break;
2342 }
2343 if (sony_pic_set_fanspeed(val8))
2344 ret = -EIO;
2345 break;
2346 /* GET Temperature (useful under APM) */
2347 case SONYPI_IOCGTEMP:
2348 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2349 ret = -EIO;
2350 break;
2351 }
2352 if (copy_to_user(argp, &val8, sizeof(val8)))
2353 ret = -EFAULT;
2354 break;
2355 default:
2356 ret = -EINVAL;
2357 }
2358 mutex_unlock(&spic_dev.lock);
2359 return ret;
2360 }
2361
2362 static const struct file_operations sonypi_misc_fops = {
2363 .owner = THIS_MODULE,
2364 .read = sonypi_misc_read,
2365 .poll = sonypi_misc_poll,
2366 .open = sonypi_misc_open,
2367 .release = sonypi_misc_release,
2368 .fasync = sonypi_misc_fasync,
2369 .unlocked_ioctl = sonypi_misc_ioctl,
2370 };
2371
2372 static struct miscdevice sonypi_misc_device = {
2373 .minor = MISC_DYNAMIC_MINOR,
2374 .name = "sonypi",
2375 .fops = &sonypi_misc_fops,
2376 };
2377
2378 static void sonypi_compat_report_event(u8 event)
2379 {
2380 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2381 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2382 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2383 }
2384
2385 static int sonypi_compat_init(void)
2386 {
2387 int error;
2388
2389 spin_lock_init(&sonypi_compat.fifo_lock);
2390 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2391 &sonypi_compat.fifo_lock);
2392 if (IS_ERR(sonypi_compat.fifo)) {
2393 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2394 return PTR_ERR(sonypi_compat.fifo);
2395 }
2396
2397 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2398
2399 if (minor != -1)
2400 sonypi_misc_device.minor = minor;
2401 error = misc_register(&sonypi_misc_device);
2402 if (error) {
2403 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2404 goto err_free_kfifo;
2405 }
2406 if (minor == -1)
2407 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2408 sonypi_misc_device.minor);
2409
2410 return 0;
2411
2412 err_free_kfifo:
2413 kfifo_free(sonypi_compat.fifo);
2414 return error;
2415 }
2416
2417 static void sonypi_compat_exit(void)
2418 {
2419 misc_deregister(&sonypi_misc_device);
2420 kfifo_free(sonypi_compat.fifo);
2421 }
2422 #else
2423 static int sonypi_compat_init(void) { return 0; }
2424 static void sonypi_compat_exit(void) { }
2425 static void sonypi_compat_report_event(u8 event) { }
2426 #endif /* CONFIG_SONYPI_COMPAT */
2427
2428 /*
2429 * ACPI callbacks
2430 */
2431 static acpi_status
2432 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2433 {
2434 u32 i;
2435 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2436
2437 switch (resource->type) {
2438 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2439 {
2440 /* start IO enumeration */
2441 struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2442 if (!ioport)
2443 return AE_ERROR;
2444
2445 list_add(&ioport->list, &dev->ioports);
2446 return AE_OK;
2447 }
2448
2449 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2450 /* end IO enumeration */
2451 return AE_OK;
2452
2453 case ACPI_RESOURCE_TYPE_IRQ:
2454 {
2455 struct acpi_resource_irq *p = &resource->data.irq;
2456 struct sony_pic_irq *interrupt = NULL;
2457 if (!p || !p->interrupt_count) {
2458 /*
2459 * IRQ descriptors may have no IRQ# bits set,
2460 * particularly those those w/ _STA disabled
2461 */
2462 dprintk("Blank IRQ resource\n");
2463 return AE_OK;
2464 }
2465 for (i = 0; i < p->interrupt_count; i++) {
2466 if (!p->interrupts[i]) {
2467 printk(KERN_WARNING DRV_PFX
2468 "Invalid IRQ %d\n",
2469 p->interrupts[i]);
2470 continue;
2471 }
2472 interrupt = kzalloc(sizeof(*interrupt),
2473 GFP_KERNEL);
2474 if (!interrupt)
2475 return AE_ERROR;
2476
2477 list_add(&interrupt->list, &dev->interrupts);
2478 interrupt->irq.triggering = p->triggering;
2479 interrupt->irq.polarity = p->polarity;
2480 interrupt->irq.sharable = p->sharable;
2481 interrupt->irq.interrupt_count = 1;
2482 interrupt->irq.interrupts[0] = p->interrupts[i];
2483 }
2484 return AE_OK;
2485 }
2486 case ACPI_RESOURCE_TYPE_IO:
2487 {
2488 struct acpi_resource_io *io = &resource->data.io;
2489 struct sony_pic_ioport *ioport =
2490 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2491 if (!io) {
2492 dprintk("Blank IO resource\n");
2493 return AE_OK;
2494 }
2495
2496 if (!ioport->io1.minimum) {
2497 memcpy(&ioport->io1, io, sizeof(*io));
2498 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2499 ioport->io1.address_length);
2500 }
2501 else if (!ioport->io2.minimum) {
2502 memcpy(&ioport->io2, io, sizeof(*io));
2503 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2504 ioport->io2.address_length);
2505 }
2506 else {
2507 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2508 return AE_ERROR;
2509 }
2510 return AE_OK;
2511 }
2512 default:
2513 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2514 resource->type);
2515
2516 case ACPI_RESOURCE_TYPE_END_TAG:
2517 return AE_OK;
2518 }
2519 return AE_CTRL_TERMINATE;
2520 }
2521
2522 static int sony_pic_possible_resources(struct acpi_device *device)
2523 {
2524 int result = 0;
2525 acpi_status status = AE_OK;
2526
2527 if (!device)
2528 return -EINVAL;
2529
2530 /* get device status */
2531 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2532 dprintk("Evaluating _STA\n");
2533 result = acpi_bus_get_status(device);
2534 if (result) {
2535 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2536 goto end;
2537 }
2538
2539 if (!device->status.enabled)
2540 dprintk("Device disabled\n");
2541 else
2542 dprintk("Device enabled\n");
2543
2544 /*
2545 * Query and parse 'method'
2546 */
2547 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2548 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2549 sony_pic_read_possible_resource, &spic_dev);
2550 if (ACPI_FAILURE(status)) {
2551 printk(KERN_WARNING DRV_PFX
2552 "Failure evaluating %s\n",
2553 METHOD_NAME__PRS);
2554 result = -ENODEV;
2555 }
2556 end:
2557 return result;
2558 }
2559
2560 /*
2561 * Disable the spic device by calling its _DIS method
2562 */
2563 static int sony_pic_disable(struct acpi_device *device)
2564 {
2565 acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2566 NULL);
2567
2568 if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2569 return -ENXIO;
2570
2571 dprintk("Device disabled\n");
2572 return 0;
2573 }
2574
2575
2576 /*
2577 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2578 *
2579 * Call _SRS to set current resources
2580 */
2581 static int sony_pic_enable(struct acpi_device *device,
2582 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2583 {
2584 acpi_status status;
2585 int result = 0;
2586 /* Type 1 resource layout is:
2587 * IO
2588 * IO
2589 * IRQNoFlags
2590 * End
2591 *
2592 * Type 2 and 3 resource layout is:
2593 * IO
2594 * IRQNoFlags
2595 * End
2596 */
2597 struct {
2598 struct acpi_resource res1;
2599 struct acpi_resource res2;
2600 struct acpi_resource res3;
2601 struct acpi_resource res4;
2602 } *resource;
2603 struct acpi_buffer buffer = { 0, NULL };
2604
2605 if (!ioport || !irq)
2606 return -EINVAL;
2607
2608 /* init acpi_buffer */
2609 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2610 if (!resource)
2611 return -ENOMEM;
2612
2613 buffer.length = sizeof(*resource) + 1;
2614 buffer.pointer = resource;
2615
2616 /* setup Type 1 resources */
2617 if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2618
2619 /* setup io resources */
2620 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2621 resource->res1.length = sizeof(struct acpi_resource);
2622 memcpy(&resource->res1.data.io, &ioport->io1,
2623 sizeof(struct acpi_resource_io));
2624
2625 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2626 resource->res2.length = sizeof(struct acpi_resource);
2627 memcpy(&resource->res2.data.io, &ioport->io2,
2628 sizeof(struct acpi_resource_io));
2629
2630 /* setup irq resource */
2631 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2632 resource->res3.length = sizeof(struct acpi_resource);
2633 memcpy(&resource->res3.data.irq, &irq->irq,
2634 sizeof(struct acpi_resource_irq));
2635 /* we requested a shared irq */
2636 resource->res3.data.irq.sharable = ACPI_SHARED;
2637
2638 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2639
2640 }
2641 /* setup Type 2/3 resources */
2642 else {
2643 /* setup io resource */
2644 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2645 resource->res1.length = sizeof(struct acpi_resource);
2646 memcpy(&resource->res1.data.io, &ioport->io1,
2647 sizeof(struct acpi_resource_io));
2648
2649 /* setup irq resource */
2650 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2651 resource->res2.length = sizeof(struct acpi_resource);
2652 memcpy(&resource->res2.data.irq, &irq->irq,
2653 sizeof(struct acpi_resource_irq));
2654 /* we requested a shared irq */
2655 resource->res2.data.irq.sharable = ACPI_SHARED;
2656
2657 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2658 }
2659
2660 /* Attempt to set the resource */
2661 dprintk("Evaluating _SRS\n");
2662 status = acpi_set_current_resources(device->handle, &buffer);
2663
2664 /* check for total failure */
2665 if (ACPI_FAILURE(status)) {
2666 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2667 result = -ENODEV;
2668 goto end;
2669 }
2670
2671 /* Necessary device initializations calls (from sonypi) */
2672 sony_pic_call1(0x82);
2673 sony_pic_call2(0x81, 0xff);
2674 sony_pic_call1(compat ? 0x92 : 0x82);
2675
2676 end:
2677 kfree(resource);
2678 return result;
2679 }
2680
2681 /*****************
2682 *
2683 * ISR: some event is available
2684 *
2685 *****************/
2686 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2687 {
2688 int i, j;
2689 u8 ev = 0;
2690 u8 data_mask = 0;
2691 u8 device_event = 0;
2692
2693 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2694
2695 ev = inb_p(dev->cur_ioport->io1.minimum);
2696 if (dev->cur_ioport->io2.minimum)
2697 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2698 else
2699 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2700 dev->control->evport_offset);
2701
2702 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2703 ev, data_mask, dev->cur_ioport->io1.minimum,
2704 dev->control->evport_offset);
2705
2706 if (ev == 0x00 || ev == 0xff)
2707 return IRQ_HANDLED;
2708
2709 for (i = 0; dev->control->event_types[i].mask; i++) {
2710
2711 if ((data_mask & dev->control->event_types[i].data) !=
2712 dev->control->event_types[i].data)
2713 continue;
2714
2715 if (!(mask & dev->control->event_types[i].mask))
2716 continue;
2717
2718 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2719 if (ev == dev->control->event_types[i].events[j].data) {
2720 device_event =
2721 dev->control->
2722 event_types[i].events[j].event;
2723 goto found;
2724 }
2725 }
2726 }
2727 /* Still not able to decode the event try to pass
2728 * it over to the minidriver
2729 */
2730 if (dev->control->handle_irq &&
2731 dev->control->handle_irq(data_mask, ev) == 0)
2732 return IRQ_HANDLED;
2733
2734 dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2735 ev, data_mask, dev->cur_ioport->io1.minimum,
2736 dev->control->evport_offset);
2737 return IRQ_HANDLED;
2738
2739 found:
2740 sony_laptop_report_input_event(device_event);
2741 acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2742 sonypi_compat_report_event(device_event);
2743
2744 return IRQ_HANDLED;
2745 }
2746
2747 /*****************
2748 *
2749 * ACPI driver
2750 *
2751 *****************/
2752 static int sony_pic_remove(struct acpi_device *device, int type)
2753 {
2754 struct sony_pic_ioport *io, *tmp_io;
2755 struct sony_pic_irq *irq, *tmp_irq;
2756
2757 if (sony_pic_disable(device)) {
2758 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2759 return -ENXIO;
2760 }
2761
2762 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2763 release_region(spic_dev.cur_ioport->io1.minimum,
2764 spic_dev.cur_ioport->io1.address_length);
2765 if (spic_dev.cur_ioport->io2.minimum)
2766 release_region(spic_dev.cur_ioport->io2.minimum,
2767 spic_dev.cur_ioport->io2.address_length);
2768
2769 sonypi_compat_exit();
2770
2771 sony_laptop_remove_input();
2772
2773 /* pf attrs */
2774 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2775 sony_pf_remove();
2776
2777 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2778 list_del(&io->list);
2779 kfree(io);
2780 }
2781 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2782 list_del(&irq->list);
2783 kfree(irq);
2784 }
2785 spic_dev.cur_ioport = NULL;
2786 spic_dev.cur_irq = NULL;
2787
2788 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2789 return 0;
2790 }
2791
2792 static int sony_pic_add(struct acpi_device *device)
2793 {
2794 int result;
2795 struct sony_pic_ioport *io, *tmp_io;
2796 struct sony_pic_irq *irq, *tmp_irq;
2797
2798 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2799 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2800
2801 spic_dev.acpi_dev = device;
2802 strcpy(acpi_device_class(device), "sony/hotkey");
2803 sony_pic_detect_device_type(&spic_dev);
2804 mutex_init(&spic_dev.lock);
2805
2806 /* read _PRS resources */
2807 result = sony_pic_possible_resources(device);
2808 if (result) {
2809 printk(KERN_ERR DRV_PFX
2810 "Unable to read possible resources.\n");
2811 goto err_free_resources;
2812 }
2813
2814 /* setup input devices and helper fifo */
2815 result = sony_laptop_setup_input(device);
2816 if (result) {
2817 printk(KERN_ERR DRV_PFX
2818 "Unable to create input devices.\n");
2819 goto err_free_resources;
2820 }
2821
2822 if (sonypi_compat_init())
2823 goto err_remove_input;
2824
2825 /* request io port */
2826 list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2827 if (request_region(io->io1.minimum, io->io1.address_length,
2828 "Sony Programable I/O Device")) {
2829 dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2830 io->io1.minimum, io->io1.maximum,
2831 io->io1.address_length);
2832 /* Type 1 have 2 ioports */
2833 if (io->io2.minimum) {
2834 if (request_region(io->io2.minimum,
2835 io->io2.address_length,
2836 "Sony Programable I/O Device")) {
2837 dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2838 io->io2.minimum, io->io2.maximum,
2839 io->io2.address_length);
2840 spic_dev.cur_ioport = io;
2841 break;
2842 }
2843 else {
2844 dprintk("Unable to get I/O port2: "
2845 "0x%.4x (0x%.4x) + 0x%.2x\n",
2846 io->io2.minimum, io->io2.maximum,
2847 io->io2.address_length);
2848 release_region(io->io1.minimum,
2849 io->io1.address_length);
2850 }
2851 }
2852 else {
2853 spic_dev.cur_ioport = io;
2854 break;
2855 }
2856 }
2857 }
2858 if (!spic_dev.cur_ioport) {
2859 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2860 result = -ENODEV;
2861 goto err_remove_compat;
2862 }
2863
2864 /* request IRQ */
2865 list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2866 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2867 IRQF_SHARED, "sony-laptop", &spic_dev)) {
2868 dprintk("IRQ: %d - triggering: %d - "
2869 "polarity: %d - shr: %d\n",
2870 irq->irq.interrupts[0],
2871 irq->irq.triggering,
2872 irq->irq.polarity,
2873 irq->irq.sharable);
2874 spic_dev.cur_irq = irq;
2875 break;
2876 }
2877 }
2878 if (!spic_dev.cur_irq) {
2879 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2880 result = -ENODEV;
2881 goto err_release_region;
2882 }
2883
2884 /* set resource status _SRS */
2885 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2886 if (result) {
2887 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2888 goto err_free_irq;
2889 }
2890
2891 spic_dev.bluetooth_power = -1;
2892 /* create device attributes */
2893 result = sony_pf_add();
2894 if (result)
2895 goto err_disable_device;
2896
2897 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2898 if (result)
2899 goto err_remove_pf;
2900
2901 return 0;
2902
2903 err_remove_pf:
2904 sony_pf_remove();
2905
2906 err_disable_device:
2907 sony_pic_disable(device);
2908
2909 err_free_irq:
2910 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2911
2912 err_release_region:
2913 release_region(spic_dev.cur_ioport->io1.minimum,
2914 spic_dev.cur_ioport->io1.address_length);
2915 if (spic_dev.cur_ioport->io2.minimum)
2916 release_region(spic_dev.cur_ioport->io2.minimum,
2917 spic_dev.cur_ioport->io2.address_length);
2918
2919 err_remove_compat:
2920 sonypi_compat_exit();
2921
2922 err_remove_input:
2923 sony_laptop_remove_input();
2924
2925 err_free_resources:
2926 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2927 list_del(&io->list);
2928 kfree(io);
2929 }
2930 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2931 list_del(&irq->list);
2932 kfree(irq);
2933 }
2934 spic_dev.cur_ioport = NULL;
2935 spic_dev.cur_irq = NULL;
2936
2937 return result;
2938 }
2939
2940 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2941 {
2942 if (sony_pic_disable(device))
2943 return -ENXIO;
2944 return 0;
2945 }
2946
2947 static int sony_pic_resume(struct acpi_device *device)
2948 {
2949 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2950 return 0;
2951 }
2952
2953 static const struct acpi_device_id sony_pic_device_ids[] = {
2954 {SONY_PIC_HID, 0},
2955 {"", 0},
2956 };
2957
2958 static struct acpi_driver sony_pic_driver = {
2959 .name = SONY_PIC_DRIVER_NAME,
2960 .class = SONY_PIC_CLASS,
2961 .ids = sony_pic_device_ids,
2962 .owner = THIS_MODULE,
2963 .ops = {
2964 .add = sony_pic_add,
2965 .remove = sony_pic_remove,
2966 .suspend = sony_pic_suspend,
2967 .resume = sony_pic_resume,
2968 },
2969 };
2970
2971 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2972 {
2973 .ident = "Sony Vaio",
2974 .matches = {
2975 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2976 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2977 },
2978 },
2979 {
2980 .ident = "Sony Vaio",
2981 .matches = {
2982 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2983 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2984 },
2985 },
2986 { }
2987 };
2988
2989 static int __init sony_laptop_init(void)
2990 {
2991 int result;
2992
2993 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2994 result = acpi_bus_register_driver(&sony_pic_driver);
2995 if (result) {
2996 printk(KERN_ERR DRV_PFX
2997 "Unable to register SPIC driver.");
2998 goto out;
2999 }
3000 }
3001
3002 result = acpi_bus_register_driver(&sony_nc_driver);
3003 if (result) {
3004 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
3005 goto out_unregister_pic;
3006 }
3007
3008 return 0;
3009
3010 out_unregister_pic:
3011 if (!no_spic)
3012 acpi_bus_unregister_driver(&sony_pic_driver);
3013 out:
3014 return result;
3015 }
3016
3017 static void __exit sony_laptop_exit(void)
3018 {
3019 acpi_bus_unregister_driver(&sony_nc_driver);
3020 if (!no_spic)
3021 acpi_bus_unregister_driver(&sony_pic_driver);
3022 }
3023
3024 module_init(sony_laptop_init);
3025 module_exit(sony_laptop_exit);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree