Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
[linux-2.6.git] / drivers / platform / x86 / sony-laptop.c
1 /*
2  * ACPI Sony Notebook Control Driver (SNC and SPIC)
3  *
4  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5  * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6  *
7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8  * which are copyrighted by their respective authors.
9  *
10  * The SNY6001 driver part is based on the sonypi driver which includes
11  * material from:
12  *
13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14  *
15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16  *
17  * Copyright (C) 2001-2002 AlcĂ´ve <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 <linux/slab.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         N_SONY_RFKILL,
133 };
134
135 static int sony_rfkill_handle;
136 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
137 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
138 static void sony_nc_rfkill_update(void);
139
140 /*********** Input Devices ***********/
141
142 #define SONY_LAPTOP_BUF_SIZE    128
143 struct sony_laptop_input_s {
144         atomic_t                users;
145         struct input_dev        *jog_dev;
146         struct input_dev        *key_dev;
147         struct kfifo            fifo;
148         spinlock_t              fifo_lock;
149         struct timer_list       release_key_timer;
150 };
151
152 static struct sony_laptop_input_s sony_laptop_input = {
153         .users = ATOMIC_INIT(0),
154 };
155
156 struct sony_laptop_keypress {
157         struct input_dev *dev;
158         int key;
159 };
160
161 /* Correspondance table between sonypi events
162  * and input layer indexes in the keymap
163  */
164 static int sony_laptop_input_index[] = {
165         -1,     /*  0 no event */
166         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
167         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
168         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
169         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
170         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
171         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
172          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
173          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
174          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
175          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
176          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
177          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
178          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
179          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
180          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
181          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
182         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
183         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
184         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
185         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
186         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
187         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
188         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
189         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
190         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
191         19,     /* 26 SONYPI_EVENT_FNKEY_D */
192         20,     /* 27 SONYPI_EVENT_FNKEY_E */
193         21,     /* 28 SONYPI_EVENT_FNKEY_F */
194         22,     /* 29 SONYPI_EVENT_FNKEY_S */
195         23,     /* 30 SONYPI_EVENT_FNKEY_B */
196         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
197         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
198         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
199         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
200         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
201         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
202         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
203         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
204         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
205         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
206         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
207         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
208         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
209         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
210         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
211         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
212         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
213         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
214         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
215         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
216         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
217         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
218         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
219         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
220         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
221         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
222         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
223         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
224         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
225         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
226         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
227         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
228         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
229         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
230         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
231         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
232         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
233         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
234         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
235         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
236         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
237         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
238         59,     /* 72 SONYPI_EVENT_VENDOR_PRESSED */
239 };
240
241 static int sony_laptop_input_keycode_map[] = {
242         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
243         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
244         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
245         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
246         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
247         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
248         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
249         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
250         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
251         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
252         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
253         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
254         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
255         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
256         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
257         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
258         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
259         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
260         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
261         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
262         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
263         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
264         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
265         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
266         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
267         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
268         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
269         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
270         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
271         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
272         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
273         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
274         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
275         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
276         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
277         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
278         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
279         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
280         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
281         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
282         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
283         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
284         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
285         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
286         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
287         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
288         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
289         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
290         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
291         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
292         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
293         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
294         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
295         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
296         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
297         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
298         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
299         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
300         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
301         KEY_VENDOR,     /* 59 SONYPI_EVENT_VENDOR_PRESSED */
302 };
303
304 /* release buttons after a short delay if pressed */
305 static void do_sony_laptop_release_key(unsigned long unused)
306 {
307         struct sony_laptop_keypress kp;
308         unsigned long flags;
309
310         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
311
312         if (kfifo_out(&sony_laptop_input.fifo,
313                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
314                 input_report_key(kp.dev, kp.key, 0);
315                 input_sync(kp.dev);
316         }
317
318         /* If there is something in the fifo schedule next release. */
319         if (kfifo_len(&sony_laptop_input.fifo) != 0)
320                 mod_timer(&sony_laptop_input.release_key_timer,
321                           jiffies + msecs_to_jiffies(10));
322
323         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
324 }
325
326 /* forward event to the input subsystem */
327 static void sony_laptop_report_input_event(u8 event)
328 {
329         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
330         struct input_dev *key_dev = sony_laptop_input.key_dev;
331         struct sony_laptop_keypress kp = { NULL };
332
333         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
334                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
335                 /* Nothing, not all VAIOs generate this event */
336                 return;
337         }
338
339         /* report events */
340         switch (event) {
341         /* jog_dev events */
342         case SONYPI_EVENT_JOGDIAL_UP:
343         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
344                 input_report_rel(jog_dev, REL_WHEEL, 1);
345                 input_sync(jog_dev);
346                 return;
347
348         case SONYPI_EVENT_JOGDIAL_DOWN:
349         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
350                 input_report_rel(jog_dev, REL_WHEEL, -1);
351                 input_sync(jog_dev);
352                 return;
353
354         /* key_dev events */
355         case SONYPI_EVENT_JOGDIAL_PRESSED:
356                 kp.key = BTN_MIDDLE;
357                 kp.dev = jog_dev;
358                 break;
359
360         default:
361                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
362                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
363                         break;
364                 }
365                 if (sony_laptop_input_index[event] != -1) {
366                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
367                         if (kp.key != KEY_UNKNOWN)
368                                 kp.dev = key_dev;
369                 }
370                 break;
371         }
372
373         if (kp.dev) {
374                 input_report_key(kp.dev, kp.key, 1);
375                 /* we emit the scancode so we can always remap the key */
376                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
377                 input_sync(kp.dev);
378
379                 /* schedule key release */
380                 kfifo_in_locked(&sony_laptop_input.fifo,
381                                 (unsigned char *)&kp, sizeof(kp),
382                                 &sony_laptop_input.fifo_lock);
383                 mod_timer(&sony_laptop_input.release_key_timer,
384                           jiffies + msecs_to_jiffies(10));
385         } else
386                 dprintk("unknown input event %.2x\n", event);
387 }
388
389 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
390 {
391         struct input_dev *jog_dev;
392         struct input_dev *key_dev;
393         int i;
394         int error;
395
396         /* don't run again if already initialized */
397         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
398                 return 0;
399
400         /* kfifo */
401         spin_lock_init(&sony_laptop_input.fifo_lock);
402         error = kfifo_alloc(&sony_laptop_input.fifo,
403                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
404         if (error) {
405                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
406                 goto err_dec_users;
407         }
408
409         setup_timer(&sony_laptop_input.release_key_timer,
410                     do_sony_laptop_release_key, 0);
411
412         /* input keys */
413         key_dev = input_allocate_device();
414         if (!key_dev) {
415                 error = -ENOMEM;
416                 goto err_free_kfifo;
417         }
418
419         key_dev->name = "Sony Vaio Keys";
420         key_dev->id.bustype = BUS_ISA;
421         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
422         key_dev->dev.parent = &acpi_device->dev;
423
424         /* Initialize the Input Drivers: special keys */
425         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
426
427         __set_bit(EV_KEY, key_dev->evbit);
428         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
429         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
430         key_dev->keycode = &sony_laptop_input_keycode_map;
431         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
432                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
433         __clear_bit(KEY_RESERVED, key_dev->keybit);
434
435         error = input_register_device(key_dev);
436         if (error)
437                 goto err_free_keydev;
438
439         sony_laptop_input.key_dev = key_dev;
440
441         /* jogdial */
442         jog_dev = input_allocate_device();
443         if (!jog_dev) {
444                 error = -ENOMEM;
445                 goto err_unregister_keydev;
446         }
447
448         jog_dev->name = "Sony Vaio Jogdial";
449         jog_dev->id.bustype = BUS_ISA;
450         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
451         key_dev->dev.parent = &acpi_device->dev;
452
453         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
454         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
455
456         error = input_register_device(jog_dev);
457         if (error)
458                 goto err_free_jogdev;
459
460         sony_laptop_input.jog_dev = jog_dev;
461
462         return 0;
463
464 err_free_jogdev:
465         input_free_device(jog_dev);
466
467 err_unregister_keydev:
468         input_unregister_device(key_dev);
469         /* to avoid kref underflow below at input_free_device */
470         key_dev = NULL;
471
472 err_free_keydev:
473         input_free_device(key_dev);
474
475 err_free_kfifo:
476         kfifo_free(&sony_laptop_input.fifo);
477
478 err_dec_users:
479         atomic_dec(&sony_laptop_input.users);
480         return error;
481 }
482
483 static void sony_laptop_remove_input(void)
484 {
485         struct sony_laptop_keypress kp = { NULL };
486
487         /* Cleanup only after the last user has gone */
488         if (!atomic_dec_and_test(&sony_laptop_input.users))
489                 return;
490
491         del_timer_sync(&sony_laptop_input.release_key_timer);
492
493         /*
494          * Generate key-up events for remaining keys. Note that we don't
495          * need locking since nobody is adding new events to the kfifo.
496          */
497         while (kfifo_out(&sony_laptop_input.fifo,
498                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
499                 input_report_key(kp.dev, kp.key, 0);
500                 input_sync(kp.dev);
501         }
502
503         /* destroy input devs */
504         input_unregister_device(sony_laptop_input.key_dev);
505         sony_laptop_input.key_dev = NULL;
506
507         if (sony_laptop_input.jog_dev) {
508                 input_unregister_device(sony_laptop_input.jog_dev);
509                 sony_laptop_input.jog_dev = NULL;
510         }
511
512         kfifo_free(&sony_laptop_input.fifo);
513 }
514
515 /*********** Platform Device ***********/
516
517 static atomic_t sony_pf_users = ATOMIC_INIT(0);
518 static struct platform_driver sony_pf_driver = {
519         .driver = {
520                    .name = "sony-laptop",
521                    .owner = THIS_MODULE,
522                    }
523 };
524 static struct platform_device *sony_pf_device;
525
526 static int sony_pf_add(void)
527 {
528         int ret = 0;
529
530         /* don't run again if already initialized */
531         if (atomic_add_return(1, &sony_pf_users) > 1)
532                 return 0;
533
534         ret = platform_driver_register(&sony_pf_driver);
535         if (ret)
536                 goto out;
537
538         sony_pf_device = platform_device_alloc("sony-laptop", -1);
539         if (!sony_pf_device) {
540                 ret = -ENOMEM;
541                 goto out_platform_registered;
542         }
543
544         ret = platform_device_add(sony_pf_device);
545         if (ret)
546                 goto out_platform_alloced;
547
548         return 0;
549
550       out_platform_alloced:
551         platform_device_put(sony_pf_device);
552         sony_pf_device = NULL;
553       out_platform_registered:
554         platform_driver_unregister(&sony_pf_driver);
555       out:
556         atomic_dec(&sony_pf_users);
557         return ret;
558 }
559
560 static void sony_pf_remove(void)
561 {
562         /* deregister only after the last user has gone */
563         if (!atomic_dec_and_test(&sony_pf_users))
564                 return;
565
566         platform_device_unregister(sony_pf_device);
567         platform_driver_unregister(&sony_pf_driver);
568 }
569
570 /*********** SNC (SNY5001) Device ***********/
571
572 /* the device uses 1-based values, while the backlight subsystem uses
573    0-based values */
574 #define SONY_MAX_BRIGHTNESS     8
575
576 #define SNC_VALIDATE_IN         0
577 #define SNC_VALIDATE_OUT        1
578
579 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
580                               char *);
581 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
582                                const char *, size_t);
583 static int boolean_validate(const int, const int);
584 static int brightness_default_validate(const int, const int);
585
586 struct sony_nc_value {
587         char *name;             /* name of the entry */
588         char **acpiget;         /* names of the ACPI get function */
589         char **acpiset;         /* names of the ACPI set function */
590         int (*validate)(const int, const int);  /* input/output validation */
591         int value;              /* current setting */
592         int valid;              /* Has ever been set */
593         int debug;              /* active only in debug mode ? */
594         struct device_attribute devattr;        /* sysfs atribute */
595 };
596
597 #define SNC_HANDLE_NAMES(_name, _values...) \
598         static char *snc_##_name[] = { _values, NULL }
599
600 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
601         { \
602                 .name           = __stringify(_name), \
603                 .acpiget        = _getters, \
604                 .acpiset        = _setters, \
605                 .validate       = _validate, \
606                 .debug          = _debug, \
607                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
608         }
609
610 #define SNC_HANDLE_NULL { .name = NULL }
611
612 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
613
614 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
615 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
616
617 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
618 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
619
620 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
621 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
622
623 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
624 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
625
626 SNC_HANDLE_NAMES(lidstate_get, "GLID");
627
628 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
629 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
630
631 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
632 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
633
634 SNC_HANDLE_NAMES(PID_get, "GPID");
635
636 SNC_HANDLE_NAMES(CTR_get, "GCTR");
637 SNC_HANDLE_NAMES(CTR_set, "SCTR");
638
639 SNC_HANDLE_NAMES(PCR_get, "GPCR");
640 SNC_HANDLE_NAMES(PCR_set, "SPCR");
641
642 SNC_HANDLE_NAMES(CMI_get, "GCMI");
643 SNC_HANDLE_NAMES(CMI_set, "SCMI");
644
645 static struct sony_nc_value sony_nc_values[] = {
646         SNC_HANDLE(brightness_default, snc_brightness_def_get,
647                         snc_brightness_def_set, brightness_default_validate, 0),
648         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
649         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
650         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
651                         boolean_validate, 0),
652         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
653                         boolean_validate, 1),
654         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
655                         boolean_validate, 0),
656         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
657                         boolean_validate, 0),
658         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
659                         boolean_validate, 0),
660         /* unknown methods */
661         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
662         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
663         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
664         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
665         SNC_HANDLE_NULL
666 };
667
668 static acpi_handle sony_nc_acpi_handle;
669 static struct acpi_device *sony_nc_acpi_device = NULL;
670
671 /*
672  * acpi_evaluate_object wrappers
673  */
674 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
675 {
676         struct acpi_buffer output;
677         union acpi_object out_obj;
678         acpi_status status;
679
680         output.length = sizeof(out_obj);
681         output.pointer = &out_obj;
682
683         status = acpi_evaluate_object(handle, name, NULL, &output);
684         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
685                 *result = out_obj.integer.value;
686                 return 0;
687         }
688
689         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
690
691         return -1;
692 }
693
694 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
695                             int *result)
696 {
697         struct acpi_object_list params;
698         union acpi_object in_obj;
699         struct acpi_buffer output;
700         union acpi_object out_obj;
701         acpi_status status;
702
703         params.count = 1;
704         params.pointer = &in_obj;
705         in_obj.type = ACPI_TYPE_INTEGER;
706         in_obj.integer.value = value;
707
708         output.length = sizeof(out_obj);
709         output.pointer = &out_obj;
710
711         status = acpi_evaluate_object(handle, name, &params, &output);
712         if (status == AE_OK) {
713                 if (result != NULL) {
714                         if (out_obj.type != ACPI_TYPE_INTEGER) {
715                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
716                                        "return type\n");
717                                 return -1;
718                         }
719                         *result = out_obj.integer.value;
720                 }
721                 return 0;
722         }
723
724         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
725
726         return -1;
727 }
728
729 static int sony_find_snc_handle(int handle)
730 {
731         int i;
732         int result;
733
734         for (i = 0x20; i < 0x30; i++) {
735                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
736                 if (result == handle)
737                         return i-0x20;
738         }
739
740         return -1;
741 }
742
743 static int sony_call_snc_handle(int handle, int argument, int *result)
744 {
745         int offset = sony_find_snc_handle(handle);
746
747         if (offset < 0)
748                 return -1;
749
750         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
751                                 result);
752 }
753
754 /*
755  * sony_nc_values input/output validate functions
756  */
757
758 /* brightness_default_validate:
759  *
760  * manipulate input output values to keep consistency with the
761  * backlight framework for which brightness values are 0-based.
762  */
763 static int brightness_default_validate(const int direction, const int value)
764 {
765         switch (direction) {
766                 case SNC_VALIDATE_OUT:
767                         return value - 1;
768                 case SNC_VALIDATE_IN:
769                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
770                                 return value + 1;
771         }
772         return -EINVAL;
773 }
774
775 /* boolean_validate:
776  *
777  * on input validate boolean values 0/1, on output just pass the
778  * received value.
779  */
780 static int boolean_validate(const int direction, const int value)
781 {
782         if (direction == SNC_VALIDATE_IN) {
783                 if (value != 0 && value != 1)
784                         return -EINVAL;
785         }
786         return value;
787 }
788
789 /*
790  * Sysfs show/store common to all sony_nc_values
791  */
792 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
793                               char *buffer)
794 {
795         int value;
796         struct sony_nc_value *item =
797             container_of(attr, struct sony_nc_value, devattr);
798
799         if (!*item->acpiget)
800                 return -EIO;
801
802         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
803                 return -EIO;
804
805         if (item->validate)
806                 value = item->validate(SNC_VALIDATE_OUT, value);
807
808         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
809 }
810
811 static ssize_t sony_nc_sysfs_store(struct device *dev,
812                                struct device_attribute *attr,
813                                const char *buffer, size_t count)
814 {
815         int value;
816         struct sony_nc_value *item =
817             container_of(attr, struct sony_nc_value, devattr);
818
819         if (!item->acpiset)
820                 return -EIO;
821
822         if (count > 31)
823                 return -EINVAL;
824
825         value = simple_strtoul(buffer, NULL, 10);
826
827         if (item->validate)
828                 value = item->validate(SNC_VALIDATE_IN, value);
829
830         if (value < 0)
831                 return value;
832
833         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
834                 return -EIO;
835         item->value = value;
836         item->valid = 1;
837         return count;
838 }
839
840
841 /*
842  * Backlight device
843  */
844 static int sony_backlight_update_status(struct backlight_device *bd)
845 {
846         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
847                                 bd->props.brightness + 1, NULL);
848 }
849
850 static int sony_backlight_get_brightness(struct backlight_device *bd)
851 {
852         int value;
853
854         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
855                 return 0;
856         /* brightness levels are 1-based, while backlight ones are 0-based */
857         return value - 1;
858 }
859
860 static struct backlight_device *sony_backlight_device;
861 static const struct backlight_ops sony_backlight_ops = {
862         .update_status = sony_backlight_update_status,
863         .get_brightness = sony_backlight_get_brightness,
864 };
865
866 /*
867  * New SNC-only Vaios event mapping to driver known keys
868  */
869 struct sony_nc_event {
870         u8      data;
871         u8      event;
872 };
873
874 static struct sony_nc_event sony_100_events[] = {
875         { 0x90, SONYPI_EVENT_PKEY_P1 },
876         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
877         { 0x91, SONYPI_EVENT_PKEY_P2 },
878         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
879         { 0x81, SONYPI_EVENT_FNKEY_F1 },
880         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
881         { 0x82, SONYPI_EVENT_FNKEY_F2 },
882         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
883         { 0x83, SONYPI_EVENT_FNKEY_F3 },
884         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
885         { 0x84, SONYPI_EVENT_FNKEY_F4 },
886         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
887         { 0x85, SONYPI_EVENT_FNKEY_F5 },
888         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
889         { 0x86, SONYPI_EVENT_FNKEY_F6 },
890         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
891         { 0x87, SONYPI_EVENT_FNKEY_F7 },
892         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
893         { 0x89, SONYPI_EVENT_FNKEY_F9 },
894         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
895         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
896         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
897         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
898         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
899         { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
900         { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
901         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
902         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
903         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
904         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
905         { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
906         { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
907         { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
908         { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
909         { 0xa6, SONYPI_EVENT_HELP_PRESSED },
910         { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
911         { 0, 0 },
912 };
913
914 static struct sony_nc_event sony_127_events[] = {
915         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
916         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
917         { 0x82, SONYPI_EVENT_PKEY_P1 },
918         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
919         { 0x83, SONYPI_EVENT_PKEY_P2 },
920         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
921         { 0x84, SONYPI_EVENT_PKEY_P3 },
922         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
923         { 0x85, SONYPI_EVENT_PKEY_P4 },
924         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
925         { 0x86, SONYPI_EVENT_PKEY_P5 },
926         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
927         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
928         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
929         { 0, 0 },
930 };
931
932 /*
933  * ACPI callbacks
934  */
935 static void sony_nc_notify(struct acpi_device *device, u32 event)
936 {
937         u32 ev = event;
938
939         if (ev >= 0x90) {
940                 /* New-style event */
941                 int result;
942                 int key_handle = 0;
943                 ev -= 0x90;
944
945                 if (sony_find_snc_handle(0x100) == ev)
946                         key_handle = 0x100;
947                 if (sony_find_snc_handle(0x127) == ev)
948                         key_handle = 0x127;
949
950                 if (key_handle) {
951                         struct sony_nc_event *key_event;
952
953                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
954                                 dprintk("sony_nc_notify, unable to decode"
955                                         " event 0x%.2x 0x%.2x\n", key_handle,
956                                         ev);
957                                 /* restore the original event */
958                                 ev = event;
959                         } else {
960                                 ev = result & 0xFF;
961
962                                 if (key_handle == 0x100)
963                                         key_event = sony_100_events;
964                                 else
965                                         key_event = sony_127_events;
966
967                                 for (; key_event->data; key_event++) {
968                                         if (key_event->data == ev) {
969                                                 ev = key_event->event;
970                                                 break;
971                                         }
972                                 }
973
974                                 if (!key_event->data)
975                                         printk(KERN_INFO DRV_PFX
976                                                         "Unknown event: 0x%x 0x%x\n",
977                                                         key_handle,
978                                                         ev);
979                                 else
980                                         sony_laptop_report_input_event(ev);
981                         }
982                 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
983                         sony_nc_rfkill_update();
984                         return;
985                 }
986         } else
987                 sony_laptop_report_input_event(ev);
988
989         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
990         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
991 }
992
993 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
994                                       void *context, void **return_value)
995 {
996         struct acpi_device_info *info;
997
998         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
999                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
1000                         (char *)&info->name, info->param_count);
1001
1002                 kfree(info);
1003         }
1004
1005         return AE_OK;
1006 }
1007
1008 /*
1009  * ACPI device
1010  */
1011 static int sony_nc_function_setup(struct acpi_device *device)
1012 {
1013         int result;
1014
1015         /* Enable all events */
1016         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1017
1018         /* Setup hotkeys */
1019         sony_call_snc_handle(0x0100, 0, &result);
1020         sony_call_snc_handle(0x0101, 0, &result);
1021         sony_call_snc_handle(0x0102, 0x100, &result);
1022         sony_call_snc_handle(0x0127, 0, &result);
1023
1024         return 0;
1025 }
1026
1027 static int sony_nc_resume(struct acpi_device *device)
1028 {
1029         struct sony_nc_value *item;
1030         acpi_handle handle;
1031
1032         for (item = sony_nc_values; item->name; item++) {
1033                 int ret;
1034
1035                 if (!item->valid)
1036                         continue;
1037                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1038                                        item->value, NULL);
1039                 if (ret < 0) {
1040                         printk("%s: %d\n", __func__, ret);
1041                         break;
1042                 }
1043         }
1044
1045         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1046                                          &handle))) {
1047                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1048                         dprintk("ECON Method failed\n");
1049         }
1050
1051         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1052                                          &handle))) {
1053                 dprintk("Doing SNC setup\n");
1054                 sony_nc_function_setup(device);
1055         }
1056
1057         /* set the last requested brightness level */
1058         if (sony_backlight_device &&
1059                         sony_backlight_update_status(sony_backlight_device) < 0)
1060                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1061
1062         /* re-read rfkill state */
1063         sony_nc_rfkill_update();
1064
1065         return 0;
1066 }
1067
1068 static void sony_nc_rfkill_cleanup(void)
1069 {
1070         int i;
1071
1072         for (i = 0; i < N_SONY_RFKILL; i++) {
1073                 if (sony_rfkill_devices[i]) {
1074                         rfkill_unregister(sony_rfkill_devices[i]);
1075                         rfkill_destroy(sony_rfkill_devices[i]);
1076                 }
1077         }
1078 }
1079
1080 static int sony_nc_rfkill_set(void *data, bool blocked)
1081 {
1082         int result;
1083         int argument = sony_rfkill_address[(long) data] + 0x100;
1084
1085         if (!blocked)
1086                 argument |= 0xff0000;
1087
1088         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1089 }
1090
1091 static const struct rfkill_ops sony_rfkill_ops = {
1092         .set_block = sony_nc_rfkill_set,
1093 };
1094
1095 static int sony_nc_setup_rfkill(struct acpi_device *device,
1096                                 enum sony_nc_rfkill nc_type)
1097 {
1098         int err = 0;
1099         struct rfkill *rfk;
1100         enum rfkill_type type;
1101         const char *name;
1102         int result;
1103         bool hwblock;
1104
1105         switch (nc_type) {
1106         case SONY_WIFI:
1107                 type = RFKILL_TYPE_WLAN;
1108                 name = "sony-wifi";
1109                 break;
1110         case SONY_BLUETOOTH:
1111                 type = RFKILL_TYPE_BLUETOOTH;
1112                 name = "sony-bluetooth";
1113                 break;
1114         case SONY_WWAN:
1115                 type = RFKILL_TYPE_WWAN;
1116                 name = "sony-wwan";
1117                 break;
1118         case SONY_WIMAX:
1119                 type = RFKILL_TYPE_WIMAX;
1120                 name = "sony-wimax";
1121                 break;
1122         default:
1123                 return -EINVAL;
1124         }
1125
1126         rfk = rfkill_alloc(name, &device->dev, type,
1127                            &sony_rfkill_ops, (void *)nc_type);
1128         if (!rfk)
1129                 return -ENOMEM;
1130
1131         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1132         hwblock = !(result & 0x1);
1133         rfkill_set_hw_state(rfk, hwblock);
1134
1135         err = rfkill_register(rfk);
1136         if (err) {
1137                 rfkill_destroy(rfk);
1138                 return err;
1139         }
1140         sony_rfkill_devices[nc_type] = rfk;
1141         return err;
1142 }
1143
1144 static void sony_nc_rfkill_update(void)
1145 {
1146         enum sony_nc_rfkill i;
1147         int result;
1148         bool hwblock;
1149
1150         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1151         hwblock = !(result & 0x1);
1152
1153         for (i = 0; i < N_SONY_RFKILL; i++) {
1154                 int argument = sony_rfkill_address[i];
1155
1156                 if (!sony_rfkill_devices[i])
1157                         continue;
1158
1159                 if (hwblock) {
1160                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1161                                 /* we already know we're blocked */
1162                         }
1163                         continue;
1164                 }
1165
1166                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1167                 rfkill_set_states(sony_rfkill_devices[i],
1168                                   !(result & 0xf), false);
1169         }
1170 }
1171
1172 static void sony_nc_rfkill_setup(struct acpi_device *device)
1173 {
1174         int offset;
1175         u8 dev_code, i;
1176         acpi_status status;
1177         struct acpi_object_list params;
1178         union acpi_object in_obj;
1179         union acpi_object *device_enum;
1180         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1181
1182         offset = sony_find_snc_handle(0x124);
1183         if (offset == -1) {
1184                 offset = sony_find_snc_handle(0x135);
1185                 if (offset == -1)
1186                         return;
1187                 else
1188                         sony_rfkill_handle = 0x135;
1189         } else
1190                 sony_rfkill_handle = 0x124;
1191         dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1192
1193         /* need to read the whole buffer returned by the acpi call to SN06
1194          * here otherwise we may miss some features
1195          */
1196         params.count = 1;
1197         params.pointer = &in_obj;
1198         in_obj.type = ACPI_TYPE_INTEGER;
1199         in_obj.integer.value = offset;
1200         status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1201                         &buffer);
1202         if (ACPI_FAILURE(status)) {
1203                 dprintk("Radio device enumeration failed\n");
1204                 return;
1205         }
1206
1207         device_enum = (union acpi_object *) buffer.pointer;
1208         if (!device_enum) {
1209                 pr_err("Invalid SN06 return object\n");
1210                 goto out_no_enum;
1211         }
1212         if (device_enum->type != ACPI_TYPE_BUFFER) {
1213                 pr_err("Invalid SN06 return object type 0x%.2x\n",
1214                        device_enum->type);
1215                 goto out_no_enum;
1216         }
1217
1218         /* the buffer is filled with magic numbers describing the devices
1219          * available, 0xff terminates the enumeration
1220          */
1221         for (i = 0; i < device_enum->buffer.length; i++) {
1222
1223                 dev_code = *(device_enum->buffer.pointer + i);
1224                 if (dev_code == 0xff)
1225                         break;
1226
1227                 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1228
1229                 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1230                         sony_nc_setup_rfkill(device, SONY_WIFI);
1231
1232                 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1233                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1234
1235                 if ((0xf0 & dev_code) == 0x20 &&
1236                                 !sony_rfkill_devices[SONY_WWAN])
1237                         sony_nc_setup_rfkill(device, SONY_WWAN);
1238
1239                 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1240                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1241         }
1242
1243 out_no_enum:
1244         kfree(buffer.pointer);
1245         return;
1246 }
1247
1248 static int sony_nc_add(struct acpi_device *device)
1249 {
1250         acpi_status status;
1251         int result = 0;
1252         acpi_handle handle;
1253         struct sony_nc_value *item;
1254
1255         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1256                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1257
1258         sony_nc_acpi_device = device;
1259         strcpy(acpi_device_class(device), "sony/hotkey");
1260
1261         sony_nc_acpi_handle = device->handle;
1262
1263         /* read device status */
1264         result = acpi_bus_get_status(device);
1265         /* bail IFF the above call was successful and the device is not present */
1266         if (!result && !device->status.present) {
1267                 dprintk("Device not present\n");
1268                 result = -ENODEV;
1269                 goto outwalk;
1270         }
1271
1272         if (debug) {
1273                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1274                                              1, sony_walk_callback, NULL, NULL, NULL);
1275                 if (ACPI_FAILURE(status)) {
1276                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1277                         result = -ENODEV;
1278                         goto outwalk;
1279                 }
1280         }
1281
1282         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1283                                          &handle))) {
1284                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1285                         dprintk("ECON Method failed\n");
1286         }
1287
1288         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1289                                          &handle))) {
1290                 dprintk("Doing SNC setup\n");
1291                 sony_nc_function_setup(device);
1292                 sony_nc_rfkill_setup(device);
1293         }
1294
1295         /* setup input devices and helper fifo */
1296         result = sony_laptop_setup_input(device);
1297         if (result) {
1298                 printk(KERN_ERR DRV_PFX
1299                                 "Unable to create input devices.\n");
1300                 goto outwalk;
1301         }
1302
1303         if (acpi_video_backlight_support()) {
1304                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1305                        "controlled by ACPI video driver\n");
1306         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1307                                                 &handle))) {
1308                                                         struct backlight_properties props;
1309                 memset(&props, 0, sizeof(struct backlight_properties));
1310                 props.max_brightness = SONY_MAX_BRIGHTNESS - 1;
1311                 sony_backlight_device = backlight_device_register("sony", NULL,
1312                                                                   NULL,
1313                                                                   &sony_backlight_ops,
1314                                                                   &props);
1315
1316                 if (IS_ERR(sony_backlight_device)) {
1317                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1318                         sony_backlight_device = NULL;
1319                 } else {
1320                         sony_backlight_device->props.brightness =
1321                             sony_backlight_get_brightness
1322                             (sony_backlight_device);
1323                 }
1324
1325         }
1326
1327         result = sony_pf_add();
1328         if (result)
1329                 goto outbacklight;
1330
1331         /* create sony_pf sysfs attributes related to the SNC device */
1332         for (item = sony_nc_values; item->name; ++item) {
1333
1334                 if (!debug && item->debug)
1335                         continue;
1336
1337                 /* find the available acpiget as described in the DSDT */
1338                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1339                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1340                                                          *item->acpiget,
1341                                                          &handle))) {
1342                                 dprintk("Found %s getter: %s\n",
1343                                                 item->name, *item->acpiget);
1344                                 item->devattr.attr.mode |= S_IRUGO;
1345                                 break;
1346                         }
1347                 }
1348
1349                 /* find the available acpiset as described in the DSDT */
1350                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1351                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1352                                                          *item->acpiset,
1353                                                          &handle))) {
1354                                 dprintk("Found %s setter: %s\n",
1355                                                 item->name, *item->acpiset);
1356                                 item->devattr.attr.mode |= S_IWUSR;
1357                                 break;
1358                         }
1359                 }
1360
1361                 if (item->devattr.attr.mode != 0) {
1362                         result =
1363                             device_create_file(&sony_pf_device->dev,
1364                                                &item->devattr);
1365                         if (result)
1366                                 goto out_sysfs;
1367                 }
1368         }
1369
1370         return 0;
1371
1372       out_sysfs:
1373         for (item = sony_nc_values; item->name; ++item) {
1374                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1375         }
1376         sony_pf_remove();
1377
1378       outbacklight:
1379         if (sony_backlight_device)
1380                 backlight_device_unregister(sony_backlight_device);
1381
1382         sony_laptop_remove_input();
1383
1384       outwalk:
1385         sony_nc_rfkill_cleanup();
1386         return result;
1387 }
1388
1389 static int sony_nc_remove(struct acpi_device *device, int type)
1390 {
1391         struct sony_nc_value *item;
1392
1393         if (sony_backlight_device)
1394                 backlight_device_unregister(sony_backlight_device);
1395
1396         sony_nc_acpi_device = NULL;
1397
1398         for (item = sony_nc_values; item->name; ++item) {
1399                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1400         }
1401
1402         sony_pf_remove();
1403         sony_laptop_remove_input();
1404         sony_nc_rfkill_cleanup();
1405         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1406
1407         return 0;
1408 }
1409
1410 static const struct acpi_device_id sony_device_ids[] = {
1411         {SONY_NC_HID, 0},
1412         {SONY_PIC_HID, 0},
1413         {"", 0},
1414 };
1415 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1416
1417 static const struct acpi_device_id sony_nc_device_ids[] = {
1418         {SONY_NC_HID, 0},
1419         {"", 0},
1420 };
1421
1422 static struct acpi_driver sony_nc_driver = {
1423         .name = SONY_NC_DRIVER_NAME,
1424         .class = SONY_NC_CLASS,
1425         .ids = sony_nc_device_ids,
1426         .owner = THIS_MODULE,
1427         .ops = {
1428                 .add = sony_nc_add,
1429                 .remove = sony_nc_remove,
1430                 .resume = sony_nc_resume,
1431                 .notify = sony_nc_notify,
1432                 },
1433 };
1434
1435 /*********** SPIC (SNY6001) Device ***********/
1436
1437 #define SONYPI_DEVICE_TYPE1     0x00000001
1438 #define SONYPI_DEVICE_TYPE2     0x00000002
1439 #define SONYPI_DEVICE_TYPE3     0x00000004
1440 #define SONYPI_DEVICE_TYPE4     0x00000008
1441
1442 #define SONYPI_TYPE1_OFFSET     0x04
1443 #define SONYPI_TYPE2_OFFSET     0x12
1444 #define SONYPI_TYPE3_OFFSET     0x12
1445
1446 struct sony_pic_ioport {
1447         struct acpi_resource_io io1;
1448         struct acpi_resource_io io2;
1449         struct list_head        list;
1450 };
1451
1452 struct sony_pic_irq {
1453         struct acpi_resource_irq        irq;
1454         struct list_head                list;
1455 };
1456
1457 struct sonypi_eventtypes {
1458         u8                      data;
1459         unsigned long           mask;
1460         struct sonypi_event     *events;
1461 };
1462
1463 struct sony_pic_dev {
1464         struct acpi_device              *acpi_dev;
1465         struct sony_pic_irq             *cur_irq;
1466         struct sony_pic_ioport          *cur_ioport;
1467         struct list_head                interrupts;
1468         struct list_head                ioports;
1469         struct mutex                    lock;
1470         struct sonypi_eventtypes        *event_types;
1471         int                             (*handle_irq)(const u8, const u8);
1472         int                             model;
1473         u16                             evport_offset;
1474         u8                              camera_power;
1475         u8                              bluetooth_power;
1476         u8                              wwan_power;
1477 };
1478
1479 static struct sony_pic_dev spic_dev = {
1480         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1481         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1482 };
1483
1484 static int spic_drv_registered;
1485
1486 /* Event masks */
1487 #define SONYPI_JOGGER_MASK                      0x00000001
1488 #define SONYPI_CAPTURE_MASK                     0x00000002
1489 #define SONYPI_FNKEY_MASK                       0x00000004
1490 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1491 #define SONYPI_PKEY_MASK                        0x00000010
1492 #define SONYPI_BACK_MASK                        0x00000020
1493 #define SONYPI_HELP_MASK                        0x00000040
1494 #define SONYPI_LID_MASK                         0x00000080
1495 #define SONYPI_ZOOM_MASK                        0x00000100
1496 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1497 #define SONYPI_MEYE_MASK                        0x00000400
1498 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1499 #define SONYPI_BATTERY_MASK                     0x00001000
1500 #define SONYPI_WIRELESS_MASK                    0x00002000
1501
1502 struct sonypi_event {
1503         u8      data;
1504         u8      event;
1505 };
1506
1507 /* The set of possible button release events */
1508 static struct sonypi_event sonypi_releaseev[] = {
1509         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1510         { 0, 0 }
1511 };
1512
1513 /* The set of possible jogger events  */
1514 static struct sonypi_event sonypi_joggerev[] = {
1515         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1516         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1517         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1518         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1519         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1520         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1521         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1522         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1523         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1524         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1525         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1526         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1527         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1528         { 0, 0 }
1529 };
1530
1531 /* The set of possible capture button events */
1532 static struct sonypi_event sonypi_captureev[] = {
1533         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1534         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1535         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1536         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1537         { 0, 0 }
1538 };
1539
1540 /* The set of possible fnkeys events */
1541 static struct sonypi_event sonypi_fnkeyev[] = {
1542         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1543         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1544         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1545         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1546         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1547         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1548         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1549         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1550         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1551         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1552         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1553         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1554         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1555         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1556         { 0x21, SONYPI_EVENT_FNKEY_1 },
1557         { 0x22, SONYPI_EVENT_FNKEY_2 },
1558         { 0x31, SONYPI_EVENT_FNKEY_D },
1559         { 0x32, SONYPI_EVENT_FNKEY_E },
1560         { 0x33, SONYPI_EVENT_FNKEY_F },
1561         { 0x34, SONYPI_EVENT_FNKEY_S },
1562         { 0x35, SONYPI_EVENT_FNKEY_B },
1563         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1564         { 0, 0 }
1565 };
1566
1567 /* The set of possible program key events */
1568 static struct sonypi_event sonypi_pkeyev[] = {
1569         { 0x01, SONYPI_EVENT_PKEY_P1 },
1570         { 0x02, SONYPI_EVENT_PKEY_P2 },
1571         { 0x04, SONYPI_EVENT_PKEY_P3 },
1572         { 0x20, SONYPI_EVENT_PKEY_P1 },
1573         { 0, 0 }
1574 };
1575
1576 /* The set of possible bluetooth events */
1577 static struct sonypi_event sonypi_blueev[] = {
1578         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1579         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1580         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1581         { 0, 0 }
1582 };
1583
1584 /* The set of possible wireless events */
1585 static struct sonypi_event sonypi_wlessev[] = {
1586         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1587         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1588         { 0, 0 }
1589 };
1590
1591 /* The set of possible back button events */
1592 static struct sonypi_event sonypi_backev[] = {
1593         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1594         { 0, 0 }
1595 };
1596
1597 /* The set of possible help button events */
1598 static struct sonypi_event sonypi_helpev[] = {
1599         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1600         { 0, 0 }
1601 };
1602
1603
1604 /* The set of possible lid events */
1605 static struct sonypi_event sonypi_lidev[] = {
1606         { 0x51, SONYPI_EVENT_LID_CLOSED },
1607         { 0x50, SONYPI_EVENT_LID_OPENED },
1608         { 0, 0 }
1609 };
1610
1611 /* The set of possible zoom events */
1612 static struct sonypi_event sonypi_zoomev[] = {
1613         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1614         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1615         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1616         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1617         { 0, 0 }
1618 };
1619
1620 /* The set of possible thumbphrase events */
1621 static struct sonypi_event sonypi_thumbphraseev[] = {
1622         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1623         { 0, 0 }
1624 };
1625
1626 /* The set of possible motioneye camera events */
1627 static struct sonypi_event sonypi_meyeev[] = {
1628         { 0x00, SONYPI_EVENT_MEYE_FACE },
1629         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1630         { 0, 0 }
1631 };
1632
1633 /* The set of possible memorystick events */
1634 static struct sonypi_event sonypi_memorystickev[] = {
1635         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1636         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1637         { 0, 0 }
1638 };
1639
1640 /* The set of possible battery events */
1641 static struct sonypi_event sonypi_batteryev[] = {
1642         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1643         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1644         { 0, 0 }
1645 };
1646
1647 /* The set of possible volume events */
1648 static struct sonypi_event sonypi_volumeev[] = {
1649         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1650         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1651         { 0, 0 }
1652 };
1653
1654 /* The set of possible brightness events */
1655 static struct sonypi_event sonypi_brightnessev[] = {
1656         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1657         { 0, 0 }
1658 };
1659
1660 static struct sonypi_eventtypes type1_events[] = {
1661         { 0, 0xffffffff, sonypi_releaseev },
1662         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1663         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1664         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1665         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1666         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1667         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1668         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1669         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1670         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1671         { 0 },
1672 };
1673 static struct sonypi_eventtypes type2_events[] = {
1674         { 0, 0xffffffff, sonypi_releaseev },
1675         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1676         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1677         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1678         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1679         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1680         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1681         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1682         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1683         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1684         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1685         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1686         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1687         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1688         { 0 },
1689 };
1690 static struct sonypi_eventtypes type3_events[] = {
1691         { 0, 0xffffffff, sonypi_releaseev },
1692         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1693         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1694         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1695         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1696         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1697         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1698         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1699         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1700         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1701         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1702         { 0 },
1703 };
1704
1705 /* low level spic calls */
1706 #define ITERATIONS_LONG         10000
1707 #define ITERATIONS_SHORT        10
1708 #define wait_on_command(command, iterations) {                          \
1709         unsigned int n = iterations;                                    \
1710         while (--n && (command))                                        \
1711                 udelay(1);                                              \
1712         if (!n)                                                         \
1713                 dprintk("command failed at %s : %s (line %d)\n",        \
1714                                 __FILE__, __func__, __LINE__);  \
1715 }
1716
1717 static u8 sony_pic_call1(u8 dev)
1718 {
1719         u8 v1, v2;
1720
1721         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1722                         ITERATIONS_LONG);
1723         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1724         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1725         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1726         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1727         return v2;
1728 }
1729
1730 static u8 sony_pic_call2(u8 dev, u8 fn)
1731 {
1732         u8 v1;
1733
1734         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1735                         ITERATIONS_LONG);
1736         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1737         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1738                         ITERATIONS_LONG);
1739         outb(fn, spic_dev.cur_ioport->io1.minimum);
1740         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1741         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1742         return v1;
1743 }
1744
1745 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1746 {
1747         u8 v1;
1748
1749         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1750         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1751         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1752         outb(fn, spic_dev.cur_ioport->io1.minimum);
1753         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1754         outb(v, spic_dev.cur_ioport->io1.minimum);
1755         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1756         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1757                         dev, fn, v, v1);
1758         return v1;
1759 }
1760
1761 /*
1762  * minidrivers for SPIC models
1763  */
1764 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1765 {
1766         /*
1767          * 0x31 could mean we have to take some extra action and wait for
1768          * the next irq for some Type3 models, it will generate a new
1769          * irq and we can read new data from the device:
1770          *  - 0x5c and 0x5f requires 0xA0
1771          *  - 0x61 requires 0xB3
1772          */
1773         if (data_mask == 0x31) {
1774                 if (ev == 0x5c || ev == 0x5f)
1775                         sony_pic_call1(0xA0);
1776                 else if (ev == 0x61)
1777                         sony_pic_call1(0xB3);
1778                 return 0;
1779         }
1780         return 1;
1781 }
1782
1783 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1784 {
1785         struct pci_dev *pcidev;
1786
1787         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1788                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1789         if (pcidev) {
1790                 dev->model = SONYPI_DEVICE_TYPE1;
1791                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1792                 dev->event_types = type1_events;
1793                 goto out;
1794         }
1795
1796         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1797                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1798         if (pcidev) {
1799                 dev->model = SONYPI_DEVICE_TYPE2;
1800                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1801                 dev->event_types = type2_events;
1802                 goto out;
1803         }
1804
1805         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1806                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1807         if (pcidev) {
1808                 dev->model = SONYPI_DEVICE_TYPE3;
1809                 dev->handle_irq = type3_handle_irq;
1810                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1811                 dev->event_types = type3_events;
1812                 goto out;
1813         }
1814
1815         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1816                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1817         if (pcidev) {
1818                 dev->model = SONYPI_DEVICE_TYPE3;
1819                 dev->handle_irq = type3_handle_irq;
1820                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1821                 dev->event_types = type3_events;
1822                 goto out;
1823         }
1824
1825         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1826                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1827         if (pcidev) {
1828                 dev->model = SONYPI_DEVICE_TYPE3;
1829                 dev->handle_irq = type3_handle_irq;
1830                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1831                 dev->event_types = type3_events;
1832                 goto out;
1833         }
1834
1835         /* default */
1836         dev->model = SONYPI_DEVICE_TYPE2;
1837         dev->evport_offset = SONYPI_TYPE2_OFFSET;
1838         dev->event_types = type2_events;
1839
1840 out:
1841         if (pcidev)
1842                 pci_dev_put(pcidev);
1843
1844         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1845                         dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1846                         dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1847 }
1848
1849 /* camera tests and poweron/poweroff */
1850 #define SONYPI_CAMERA_PICTURE           5
1851 #define SONYPI_CAMERA_CONTROL           0x10
1852
1853 #define SONYPI_CAMERA_BRIGHTNESS                0
1854 #define SONYPI_CAMERA_CONTRAST                  1
1855 #define SONYPI_CAMERA_HUE                       2
1856 #define SONYPI_CAMERA_COLOR                     3
1857 #define SONYPI_CAMERA_SHARPNESS                 4
1858
1859 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1860 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1861 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1862 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1863
1864 /* the rest don't need a loop until not 0xff */
1865 #define SONYPI_CAMERA_AGC                       6
1866 #define SONYPI_CAMERA_AGC_MASK                  0x30
1867 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1868
1869 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1870 #define SONYPI_CAMERA_CONTROL                   0x10
1871
1872 #define SONYPI_CAMERA_STATUS                    7
1873 #define SONYPI_CAMERA_STATUS_READY              0x2
1874 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1875
1876 #define SONYPI_DIRECTION_BACKWARDS              0x4
1877
1878 #define SONYPI_CAMERA_REVISION                  8
1879 #define SONYPI_CAMERA_ROMVERSION                9
1880
1881 static int __sony_pic_camera_ready(void)
1882 {
1883         u8 v;
1884
1885         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1886         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1887 }
1888
1889 static int __sony_pic_camera_off(void)
1890 {
1891         if (!camera) {
1892                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1893                 return -ENODEV;
1894         }
1895
1896         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1897                                 SONYPI_CAMERA_MUTE_MASK),
1898                         ITERATIONS_SHORT);
1899
1900         if (spic_dev.camera_power) {
1901                 sony_pic_call2(0x91, 0);
1902                 spic_dev.camera_power = 0;
1903         }
1904         return 0;
1905 }
1906
1907 static int __sony_pic_camera_on(void)
1908 {
1909         int i, j, x;
1910
1911         if (!camera) {
1912                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1913                 return -ENODEV;
1914         }
1915
1916         if (spic_dev.camera_power)
1917                 return 0;
1918
1919         for (j = 5; j > 0; j--) {
1920
1921                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1922                         msleep(10);
1923                 sony_pic_call1(0x93);
1924
1925                 for (i = 400; i > 0; i--) {
1926                         if (__sony_pic_camera_ready())
1927                                 break;
1928                         msleep(10);
1929                 }
1930                 if (i)
1931                         break;
1932         }
1933
1934         if (j == 0) {
1935                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1936                 return -ENODEV;
1937         }
1938
1939         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1940                                 0x5a),
1941                         ITERATIONS_SHORT);
1942
1943         spic_dev.camera_power = 1;
1944         return 0;
1945 }
1946
1947 /* External camera command (exported to the motion eye v4l driver) */
1948 int sony_pic_camera_command(int command, u8 value)
1949 {
1950         if (!camera)
1951                 return -EIO;
1952
1953         mutex_lock(&spic_dev.lock);
1954
1955         switch (command) {
1956         case SONY_PIC_COMMAND_SETCAMERA:
1957                 if (value)
1958                         __sony_pic_camera_on();
1959                 else
1960                         __sony_pic_camera_off();
1961                 break;
1962         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1963                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1964                                 ITERATIONS_SHORT);
1965                 break;
1966         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1967                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1968                                 ITERATIONS_SHORT);
1969                 break;
1970         case SONY_PIC_COMMAND_SETCAMERAHUE:
1971                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1972                                 ITERATIONS_SHORT);
1973                 break;
1974         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1975                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1976                                 ITERATIONS_SHORT);
1977                 break;
1978         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1979                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1980                                 ITERATIONS_SHORT);
1981                 break;
1982         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1983                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1984                                 ITERATIONS_SHORT);
1985                 break;
1986         case SONY_PIC_COMMAND_SETCAMERAAGC:
1987                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1988                                 ITERATIONS_SHORT);
1989                 break;
1990         default:
1991                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1992                        command);
1993                 break;
1994         }
1995         mutex_unlock(&spic_dev.lock);
1996         return 0;
1997 }
1998 EXPORT_SYMBOL(sony_pic_camera_command);
1999
2000 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2001 static void __sony_pic_set_wwanpower(u8 state)
2002 {
2003         state = !!state;
2004         if (spic_dev.wwan_power == state)
2005                 return;
2006         sony_pic_call2(0xB0, state);
2007         sony_pic_call1(0x82);
2008         spic_dev.wwan_power = state;
2009 }
2010
2011 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2012                 struct device_attribute *attr,
2013                 const char *buffer, size_t count)
2014 {
2015         unsigned long value;
2016         if (count > 31)
2017                 return -EINVAL;
2018
2019         value = simple_strtoul(buffer, NULL, 10);
2020         mutex_lock(&spic_dev.lock);
2021         __sony_pic_set_wwanpower(value);
2022         mutex_unlock(&spic_dev.lock);
2023
2024         return count;
2025 }
2026
2027 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2028                 struct device_attribute *attr, char *buffer)
2029 {
2030         ssize_t count;
2031         mutex_lock(&spic_dev.lock);
2032         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2033         mutex_unlock(&spic_dev.lock);
2034         return count;
2035 }
2036
2037 /* bluetooth subsystem power state */
2038 static void __sony_pic_set_bluetoothpower(u8 state)
2039 {
2040         state = !!state;
2041         if (spic_dev.bluetooth_power == state)
2042                 return;
2043         sony_pic_call2(0x96, state);
2044         sony_pic_call1(0x82);
2045         spic_dev.bluetooth_power = state;
2046 }
2047
2048 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2049                 struct device_attribute *attr,
2050                 const char *buffer, size_t count)
2051 {
2052         unsigned long value;
2053         if (count > 31)
2054                 return -EINVAL;
2055
2056         value = simple_strtoul(buffer, NULL, 10);
2057         mutex_lock(&spic_dev.lock);
2058         __sony_pic_set_bluetoothpower(value);
2059         mutex_unlock(&spic_dev.lock);
2060
2061         return count;
2062 }
2063
2064 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2065                 struct device_attribute *attr, char *buffer)
2066 {
2067         ssize_t count = 0;
2068         mutex_lock(&spic_dev.lock);
2069         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2070         mutex_unlock(&spic_dev.lock);
2071         return count;
2072 }
2073
2074 /* fan speed */
2075 /* FAN0 information (reverse engineered from ACPI tables) */
2076 #define SONY_PIC_FAN0_STATUS    0x93
2077 static int sony_pic_set_fanspeed(unsigned long value)
2078 {
2079         return ec_write(SONY_PIC_FAN0_STATUS, value);
2080 }
2081
2082 static int sony_pic_get_fanspeed(u8 *value)
2083 {
2084         return ec_read(SONY_PIC_FAN0_STATUS, value);
2085 }
2086
2087 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2088                 struct device_attribute *attr,
2089                 const char *buffer, size_t count)
2090 {
2091         unsigned long value;
2092         if (count > 31)
2093                 return -EINVAL;
2094
2095         value = simple_strtoul(buffer, NULL, 10);
2096         if (sony_pic_set_fanspeed(value))
2097                 return -EIO;
2098
2099         return count;
2100 }
2101
2102 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2103                 struct device_attribute *attr, char *buffer)
2104 {
2105         u8 value = 0;
2106         if (sony_pic_get_fanspeed(&value))
2107                 return -EIO;
2108
2109         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2110 }
2111
2112 #define SPIC_ATTR(_name, _mode)                                 \
2113 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2114                 _mode, sony_pic_## _name ##_show,               \
2115                 sony_pic_## _name ##_store)
2116
2117 static SPIC_ATTR(bluetoothpower, 0644);
2118 static SPIC_ATTR(wwanpower, 0644);
2119 static SPIC_ATTR(fanspeed, 0644);
2120
2121 static struct attribute *spic_attributes[] = {
2122         &spic_attr_bluetoothpower.attr,
2123         &spic_attr_wwanpower.attr,
2124         &spic_attr_fanspeed.attr,
2125         NULL
2126 };
2127
2128 static struct attribute_group spic_attribute_group = {
2129         .attrs = spic_attributes
2130 };
2131
2132 /******** SONYPI compatibility **********/
2133 #ifdef CONFIG_SONYPI_COMPAT
2134
2135 /* battery / brightness / temperature  addresses */
2136 #define SONYPI_BAT_FLAGS        0x81
2137 #define SONYPI_LCD_LIGHT        0x96
2138 #define SONYPI_BAT1_PCTRM       0xa0
2139 #define SONYPI_BAT1_LEFT        0xa2
2140 #define SONYPI_BAT1_MAXRT       0xa4
2141 #define SONYPI_BAT2_PCTRM       0xa8
2142 #define SONYPI_BAT2_LEFT        0xaa
2143 #define SONYPI_BAT2_MAXRT       0xac
2144 #define SONYPI_BAT1_MAXTK       0xb0
2145 #define SONYPI_BAT1_FULL        0xb2
2146 #define SONYPI_BAT2_MAXTK       0xb8
2147 #define SONYPI_BAT2_FULL        0xba
2148 #define SONYPI_TEMP_STATUS      0xC1
2149
2150 struct sonypi_compat_s {
2151         struct fasync_struct    *fifo_async;
2152         struct kfifo            fifo;
2153         spinlock_t              fifo_lock;
2154         wait_queue_head_t       fifo_proc_list;
2155         atomic_t                open_count;
2156 };
2157 static struct sonypi_compat_s sonypi_compat = {
2158         .open_count = ATOMIC_INIT(0),
2159 };
2160
2161 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2162 {
2163         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2164 }
2165
2166 static int sonypi_misc_release(struct inode *inode, struct file *file)
2167 {
2168         atomic_dec(&sonypi_compat.open_count);
2169         return 0;
2170 }
2171
2172 static int sonypi_misc_open(struct inode *inode, struct file *file)
2173 {
2174         /* Flush input queue on first open */
2175         unsigned long flags;
2176
2177         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2178
2179         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2180                 kfifo_reset(&sonypi_compat.fifo);
2181
2182         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2183
2184         return 0;
2185 }
2186
2187 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2188                                 size_t count, loff_t *pos)
2189 {
2190         ssize_t ret;
2191         unsigned char c;
2192
2193         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2194             (file->f_flags & O_NONBLOCK))
2195                 return -EAGAIN;
2196
2197         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2198                                        kfifo_len(&sonypi_compat.fifo) != 0);
2199         if (ret)
2200                 return ret;
2201
2202         while (ret < count &&
2203                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2204                           &sonypi_compat.fifo_lock) == sizeof(c))) {
2205                 if (put_user(c, buf++))
2206                         return -EFAULT;
2207                 ret++;
2208         }
2209
2210         if (ret > 0) {
2211                 struct inode *inode = file->f_path.dentry->d_inode;
2212                 inode->i_atime = current_fs_time(inode->i_sb);
2213         }
2214
2215         return ret;
2216 }
2217
2218 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2219 {
2220         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2221         if (kfifo_len(&sonypi_compat.fifo))
2222                 return POLLIN | POLLRDNORM;
2223         return 0;
2224 }
2225
2226 static int ec_read16(u8 addr, u16 *value)
2227 {
2228         u8 val_lb, val_hb;
2229         if (ec_read(addr, &val_lb))
2230                 return -1;
2231         if (ec_read(addr + 1, &val_hb))
2232                 return -1;
2233         *value = val_lb | (val_hb << 8);
2234         return 0;
2235 }
2236
2237 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2238                                                         unsigned long arg)
2239 {
2240         int ret = 0;
2241         void __user *argp = (void __user *)arg;
2242         u8 val8;
2243         u16 val16;
2244         int value;
2245
2246         mutex_lock(&spic_dev.lock);
2247         switch (cmd) {
2248         case SONYPI_IOCGBRT:
2249                 if (sony_backlight_device == NULL) {
2250                         ret = -EIO;
2251                         break;
2252                 }
2253                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2254                         ret = -EIO;
2255                         break;
2256                 }
2257                 val8 = ((value & 0xff) - 1) << 5;
2258                 if (copy_to_user(argp, &val8, sizeof(val8)))
2259                                 ret = -EFAULT;
2260                 break;
2261         case SONYPI_IOCSBRT:
2262                 if (sony_backlight_device == NULL) {
2263                         ret = -EIO;
2264                         break;
2265                 }
2266                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2267                         ret = -EFAULT;
2268                         break;
2269                 }
2270                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2271                                 (val8 >> 5) + 1, NULL)) {
2272                         ret = -EIO;
2273                         break;
2274                 }
2275                 /* sync the backlight device status */
2276                 sony_backlight_device->props.brightness =
2277                     sony_backlight_get_brightness(sony_backlight_device);
2278                 break;
2279         case SONYPI_IOCGBAT1CAP:
2280                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2281                         ret = -EIO;
2282                         break;
2283                 }
2284                 if (copy_to_user(argp, &val16, sizeof(val16)))
2285                         ret = -EFAULT;
2286                 break;
2287         case SONYPI_IOCGBAT1REM:
2288                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2289                         ret = -EIO;
2290                         break;
2291                 }
2292                 if (copy_to_user(argp, &val16, sizeof(val16)))
2293                         ret = -EFAULT;
2294                 break;
2295         case SONYPI_IOCGBAT2CAP:
2296                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2297                         ret = -EIO;
2298                         break;
2299                 }
2300                 if (copy_to_user(argp, &val16, sizeof(val16)))
2301                         ret = -EFAULT;
2302                 break;
2303         case SONYPI_IOCGBAT2REM:
2304                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2305                         ret = -EIO;
2306                         break;
2307                 }
2308                 if (copy_to_user(argp, &val16, sizeof(val16)))
2309                         ret = -EFAULT;
2310                 break;
2311         case SONYPI_IOCGBATFLAGS:
2312                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2313                         ret = -EIO;
2314                         break;
2315                 }
2316                 val8 &= 0x07;
2317                 if (copy_to_user(argp, &val8, sizeof(val8)))
2318                         ret = -EFAULT;
2319                 break;
2320         case SONYPI_IOCGBLUE:
2321                 val8 = spic_dev.bluetooth_power;
2322                 if (copy_to_user(argp, &val8, sizeof(val8)))
2323                         ret = -EFAULT;
2324                 break;
2325         case SONYPI_IOCSBLUE:
2326                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2327                         ret = -EFAULT;
2328                         break;
2329                 }
2330                 __sony_pic_set_bluetoothpower(val8);
2331                 break;
2332         /* FAN Controls */
2333         case SONYPI_IOCGFAN:
2334                 if (sony_pic_get_fanspeed(&val8)) {
2335                         ret = -EIO;
2336                         break;
2337                 }
2338                 if (copy_to_user(argp, &val8, sizeof(val8)))
2339                         ret = -EFAULT;
2340                 break;
2341         case SONYPI_IOCSFAN:
2342                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2343                         ret = -EFAULT;
2344                         break;
2345                 }
2346                 if (sony_pic_set_fanspeed(val8))
2347                         ret = -EIO;
2348                 break;
2349         /* GET Temperature (useful under APM) */
2350         case SONYPI_IOCGTEMP:
2351                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2352                         ret = -EIO;
2353                         break;
2354                 }
2355                 if (copy_to_user(argp, &val8, sizeof(val8)))
2356                         ret = -EFAULT;
2357                 break;
2358         default:
2359                 ret = -EINVAL;
2360         }
2361         mutex_unlock(&spic_dev.lock);
2362         return ret;
2363 }
2364
2365 static const struct file_operations sonypi_misc_fops = {
2366         .owner          = THIS_MODULE,
2367         .read           = sonypi_misc_read,
2368         .poll           = sonypi_misc_poll,
2369         .open           = sonypi_misc_open,
2370         .release        = sonypi_misc_release,
2371         .fasync         = sonypi_misc_fasync,
2372         .unlocked_ioctl = sonypi_misc_ioctl,
2373         .llseek         = noop_llseek,
2374 };
2375
2376 static struct miscdevice sonypi_misc_device = {
2377         .minor          = MISC_DYNAMIC_MINOR,
2378         .name           = "sonypi",
2379         .fops           = &sonypi_misc_fops,
2380 };
2381
2382 static void sonypi_compat_report_event(u8 event)
2383 {
2384         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2385                         sizeof(event), &sonypi_compat.fifo_lock);
2386         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2387         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2388 }
2389
2390 static int sonypi_compat_init(void)
2391 {
2392         int error;
2393
2394         spin_lock_init(&sonypi_compat.fifo_lock);
2395         error =
2396          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2397         if (error) {
2398                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2399                 return error;
2400         }
2401
2402         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2403
2404         if (minor != -1)
2405                 sonypi_misc_device.minor = minor;
2406         error = misc_register(&sonypi_misc_device);
2407         if (error) {
2408                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2409                 goto err_free_kfifo;
2410         }
2411         if (minor == -1)
2412                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2413                        sonypi_misc_device.minor);
2414
2415         return 0;
2416
2417 err_free_kfifo:
2418         kfifo_free(&sonypi_compat.fifo);
2419         return error;
2420 }
2421
2422 static void sonypi_compat_exit(void)
2423 {
2424         misc_deregister(&sonypi_misc_device);
2425         kfifo_free(&sonypi_compat.fifo);
2426 }
2427 #else
2428 static int sonypi_compat_init(void) { return 0; }
2429 static void sonypi_compat_exit(void) { }
2430 static void sonypi_compat_report_event(u8 event) { }
2431 #endif /* CONFIG_SONYPI_COMPAT */
2432
2433 /*
2434  * ACPI callbacks
2435  */
2436 static acpi_status
2437 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2438 {
2439         u32 i;
2440         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2441
2442         switch (resource->type) {
2443         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2444                 {
2445                         /* start IO enumeration */
2446                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2447                         if (!ioport)
2448                                 return AE_ERROR;
2449
2450                         list_add(&ioport->list, &dev->ioports);
2451                         return AE_OK;
2452                 }
2453
2454         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2455                 /* end IO enumeration */
2456                 return AE_OK;
2457
2458         case ACPI_RESOURCE_TYPE_IRQ:
2459                 {
2460                         struct acpi_resource_irq *p = &resource->data.irq;
2461                         struct sony_pic_irq *interrupt = NULL;
2462                         if (!p || !p->interrupt_count) {
2463                                 /*
2464                                  * IRQ descriptors may have no IRQ# bits set,
2465                                  * particularly those those w/ _STA disabled
2466                                  */
2467                                 dprintk("Blank IRQ resource\n");
2468                                 return AE_OK;
2469                         }
2470                         for (i = 0; i < p->interrupt_count; i++) {
2471                                 if (!p->interrupts[i]) {
2472                                         printk(KERN_WARNING DRV_PFX
2473                                                         "Invalid IRQ %d\n",
2474                                                         p->interrupts[i]);
2475                                         continue;
2476                                 }
2477                                 interrupt = kzalloc(sizeof(*interrupt),
2478                                                 GFP_KERNEL);
2479                                 if (!interrupt)
2480                                         return AE_ERROR;
2481
2482                                 list_add(&interrupt->list, &dev->interrupts);
2483                                 interrupt->irq.triggering = p->triggering;
2484                                 interrupt->irq.polarity = p->polarity;
2485                                 interrupt->irq.sharable = p->sharable;
2486                                 interrupt->irq.interrupt_count = 1;
2487                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2488                         }
2489                         return AE_OK;
2490                 }
2491         case ACPI_RESOURCE_TYPE_IO:
2492                 {
2493                         struct acpi_resource_io *io = &resource->data.io;
2494                         struct sony_pic_ioport *ioport =
2495                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2496                         if (!io) {
2497                                 dprintk("Blank IO resource\n");
2498                                 return AE_OK;
2499                         }
2500
2501                         if (!ioport->io1.minimum) {
2502                                 memcpy(&ioport->io1, io, sizeof(*io));
2503                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2504                                                 ioport->io1.address_length);
2505                         }
2506                         else if (!ioport->io2.minimum) {
2507                                 memcpy(&ioport->io2, io, sizeof(*io));
2508                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2509                                                 ioport->io2.address_length);
2510                         }
2511                         else {
2512                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2513                                 return AE_ERROR;
2514                         }
2515                         return AE_OK;
2516                 }
2517         default:
2518                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2519                                 resource->type);
2520
2521         case ACPI_RESOURCE_TYPE_END_TAG:
2522                 return AE_OK;
2523         }
2524         return AE_CTRL_TERMINATE;
2525 }
2526
2527 static int sony_pic_possible_resources(struct acpi_device *device)
2528 {
2529         int result = 0;
2530         acpi_status status = AE_OK;
2531
2532         if (!device)
2533                 return -EINVAL;
2534
2535         /* get device status */
2536         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2537         dprintk("Evaluating _STA\n");
2538         result = acpi_bus_get_status(device);
2539         if (result) {
2540                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2541                 goto end;
2542         }
2543
2544         if (!device->status.enabled)
2545                 dprintk("Device disabled\n");
2546         else
2547                 dprintk("Device enabled\n");
2548
2549         /*
2550          * Query and parse 'method'
2551          */
2552         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2553         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2554                         sony_pic_read_possible_resource, &spic_dev);
2555         if (ACPI_FAILURE(status)) {
2556                 printk(KERN_WARNING DRV_PFX
2557                                 "Failure evaluating %s\n",
2558                                 METHOD_NAME__PRS);
2559                 result = -ENODEV;
2560         }
2561 end:
2562         return result;
2563 }
2564
2565 /*
2566  *  Disable the spic device by calling its _DIS method
2567  */
2568 static int sony_pic_disable(struct acpi_device *device)
2569 {
2570         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2571                                                NULL);
2572
2573         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2574                 return -ENXIO;
2575
2576         dprintk("Device disabled\n");
2577         return 0;
2578 }
2579
2580
2581 /*
2582  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2583  *
2584  *  Call _SRS to set current resources
2585  */
2586 static int sony_pic_enable(struct acpi_device *device,
2587                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2588 {
2589         acpi_status status;
2590         int result = 0;
2591         /* Type 1 resource layout is:
2592          *    IO
2593          *    IO
2594          *    IRQNoFlags
2595          *    End
2596          *
2597          * Type 2 and 3 resource layout is:
2598          *    IO
2599          *    IRQNoFlags
2600          *    End
2601          */
2602         struct {
2603                 struct acpi_resource res1;
2604                 struct acpi_resource res2;
2605                 struct acpi_resource res3;
2606                 struct acpi_resource res4;
2607         } *resource;
2608         struct acpi_buffer buffer = { 0, NULL };
2609
2610         if (!ioport || !irq)
2611                 return -EINVAL;
2612
2613         /* init acpi_buffer */
2614         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2615         if (!resource)
2616                 return -ENOMEM;
2617
2618         buffer.length = sizeof(*resource) + 1;
2619         buffer.pointer = resource;
2620
2621         /* setup Type 1 resources */
2622         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2623
2624                 /* setup io resources */
2625                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2626                 resource->res1.length = sizeof(struct acpi_resource);
2627                 memcpy(&resource->res1.data.io, &ioport->io1,
2628                                 sizeof(struct acpi_resource_io));
2629
2630                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2631                 resource->res2.length = sizeof(struct acpi_resource);
2632                 memcpy(&resource->res2.data.io, &ioport->io2,
2633                                 sizeof(struct acpi_resource_io));
2634
2635                 /* setup irq resource */
2636                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2637                 resource->res3.length = sizeof(struct acpi_resource);
2638                 memcpy(&resource->res3.data.irq, &irq->irq,
2639                                 sizeof(struct acpi_resource_irq));
2640                 /* we requested a shared irq */
2641                 resource->res3.data.irq.sharable = ACPI_SHARED;
2642
2643                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2644
2645         }
2646         /* setup Type 2/3 resources */
2647         else {
2648                 /* setup io resource */
2649                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2650                 resource->res1.length = sizeof(struct acpi_resource);
2651                 memcpy(&resource->res1.data.io, &ioport->io1,
2652                                 sizeof(struct acpi_resource_io));
2653
2654                 /* setup irq resource */
2655                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2656                 resource->res2.length = sizeof(struct acpi_resource);
2657                 memcpy(&resource->res2.data.irq, &irq->irq,
2658                                 sizeof(struct acpi_resource_irq));
2659                 /* we requested a shared irq */
2660                 resource->res2.data.irq.sharable = ACPI_SHARED;
2661
2662                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2663         }
2664
2665         /* Attempt to set the resource */
2666         dprintk("Evaluating _SRS\n");
2667         status = acpi_set_current_resources(device->handle, &buffer);
2668
2669         /* check for total failure */
2670         if (ACPI_FAILURE(status)) {
2671                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2672                 result = -ENODEV;
2673                 goto end;
2674         }
2675
2676         /* Necessary device initializations calls (from sonypi) */
2677         sony_pic_call1(0x82);
2678         sony_pic_call2(0x81, 0xff);
2679         sony_pic_call1(compat ? 0x92 : 0x82);
2680
2681 end:
2682         kfree(resource);
2683         return result;
2684 }
2685
2686 /*****************
2687  *
2688  * ISR: some event is available
2689  *
2690  *****************/
2691 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2692 {
2693         int i, j;
2694         u8 ev = 0;
2695         u8 data_mask = 0;
2696         u8 device_event = 0;
2697
2698         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2699
2700         ev = inb_p(dev->cur_ioport->io1.minimum);
2701         if (dev->cur_ioport->io2.minimum)
2702                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2703         else
2704                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2705                                 dev->evport_offset);
2706
2707         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2708                         ev, data_mask, dev->cur_ioport->io1.minimum,
2709                         dev->evport_offset);
2710
2711         if (ev == 0x00 || ev == 0xff)
2712                 return IRQ_HANDLED;
2713
2714         for (i = 0; dev->event_types[i].mask; i++) {
2715
2716                 if ((data_mask & dev->event_types[i].data) !=
2717                     dev->event_types[i].data)
2718                         continue;
2719
2720                 if (!(mask & dev->event_types[i].mask))
2721                         continue;
2722
2723                 for (j = 0; dev->event_types[i].events[j].event; j++) {
2724                         if (ev == dev->event_types[i].events[j].data) {
2725                                 device_event =
2726                                         dev->event_types[i].events[j].event;
2727                                 goto found;
2728                         }
2729                 }
2730         }
2731         /* Still not able to decode the event try to pass
2732          * it over to the minidriver
2733          */
2734         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2735                 return IRQ_HANDLED;
2736
2737         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2738                         ev, data_mask, dev->cur_ioport->io1.minimum,
2739                         dev->evport_offset);
2740         return IRQ_HANDLED;
2741
2742 found:
2743         sony_laptop_report_input_event(device_event);
2744         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2745         sonypi_compat_report_event(device_event);
2746
2747         return IRQ_HANDLED;
2748 }
2749
2750 /*****************
2751  *
2752  *  ACPI driver
2753  *
2754  *****************/
2755 static int sony_pic_remove(struct acpi_device *device, int type)
2756 {
2757         struct sony_pic_ioport *io, *tmp_io;
2758         struct sony_pic_irq *irq, *tmp_irq;
2759
2760         if (sony_pic_disable(device)) {
2761                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2762                 return -ENXIO;
2763         }
2764
2765         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2766         release_region(spic_dev.cur_ioport->io1.minimum,
2767                         spic_dev.cur_ioport->io1.address_length);
2768         if (spic_dev.cur_ioport->io2.minimum)
2769                 release_region(spic_dev.cur_ioport->io2.minimum,
2770                                 spic_dev.cur_ioport->io2.address_length);
2771
2772         sonypi_compat_exit();
2773
2774         sony_laptop_remove_input();
2775
2776         /* pf attrs */
2777         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2778         sony_pf_remove();
2779
2780         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2781                 list_del(&io->list);
2782                 kfree(io);
2783         }
2784         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2785                 list_del(&irq->list);
2786                 kfree(irq);
2787         }
2788         spic_dev.cur_ioport = NULL;
2789         spic_dev.cur_irq = NULL;
2790
2791         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2792         return 0;
2793 }
2794
2795 static int sony_pic_add(struct acpi_device *device)
2796 {
2797         int result;
2798         struct sony_pic_ioport *io, *tmp_io;
2799         struct sony_pic_irq *irq, *tmp_irq;
2800
2801         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2802                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2803
2804         spic_dev.acpi_dev = device;
2805         strcpy(acpi_device_class(device), "sony/hotkey");
2806         sony_pic_detect_device_type(&spic_dev);
2807         mutex_init(&spic_dev.lock);
2808
2809         /* read _PRS resources */
2810         result = sony_pic_possible_resources(device);
2811         if (result) {
2812                 printk(KERN_ERR DRV_PFX
2813                                 "Unable to read possible resources.\n");
2814                 goto err_free_resources;
2815         }
2816
2817         /* setup input devices and helper fifo */
2818         result = sony_laptop_setup_input(device);
2819         if (result) {
2820                 printk(KERN_ERR DRV_PFX
2821                                 "Unable to create input devices.\n");
2822                 goto err_free_resources;
2823         }
2824
2825         if (sonypi_compat_init())
2826                 goto err_remove_input;
2827
2828         /* request io port */
2829         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2830                 if (request_region(io->io1.minimum, io->io1.address_length,
2831                                         "Sony Programable I/O Device")) {
2832                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2833                                         io->io1.minimum, io->io1.maximum,
2834                                         io->io1.address_length);
2835                         /* Type 1 have 2 ioports */
2836                         if (io->io2.minimum) {
2837                                 if (request_region(io->io2.minimum,
2838                                                 io->io2.address_length,
2839                                                 "Sony Programable I/O Device")) {
2840                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2841                                                         io->io2.minimum, io->io2.maximum,
2842                                                         io->io2.address_length);
2843                                         spic_dev.cur_ioport = io;
2844                                         break;
2845                                 }
2846                                 else {
2847                                         dprintk("Unable to get I/O port2: "
2848                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2849                                                         io->io2.minimum, io->io2.maximum,
2850                                                         io->io2.address_length);
2851                                         release_region(io->io1.minimum,
2852                                                         io->io1.address_length);
2853                                 }
2854                         }
2855                         else {
2856                                 spic_dev.cur_ioport = io;
2857                                 break;
2858                         }
2859                 }
2860         }
2861         if (!spic_dev.cur_ioport) {
2862                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2863                 result = -ENODEV;
2864                 goto err_remove_compat;
2865         }
2866
2867         /* request IRQ */
2868         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2869                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2870                                         IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2871                         dprintk("IRQ: %d - triggering: %d - "
2872                                         "polarity: %d - shr: %d\n",
2873                                         irq->irq.interrupts[0],
2874                                         irq->irq.triggering,
2875                                         irq->irq.polarity,
2876                                         irq->irq.sharable);
2877                         spic_dev.cur_irq = irq;
2878                         break;
2879                 }
2880         }
2881         if (!spic_dev.cur_irq) {
2882                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2883                 result = -ENODEV;
2884                 goto err_release_region;
2885         }
2886
2887         /* set resource status _SRS */
2888         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2889         if (result) {
2890                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2891                 goto err_free_irq;
2892         }
2893
2894         spic_dev.bluetooth_power = -1;
2895         /* create device attributes */
2896         result = sony_pf_add();
2897         if (result)
2898                 goto err_disable_device;
2899
2900         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2901         if (result)
2902                 goto err_remove_pf;
2903
2904         return 0;
2905
2906 err_remove_pf:
2907         sony_pf_remove();
2908
2909 err_disable_device:
2910         sony_pic_disable(device);
2911
2912 err_free_irq:
2913         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2914
2915 err_release_region:
2916         release_region(spic_dev.cur_ioport->io1.minimum,
2917                         spic_dev.cur_ioport->io1.address_length);
2918         if (spic_dev.cur_ioport->io2.minimum)
2919                 release_region(spic_dev.cur_ioport->io2.minimum,
2920                                 spic_dev.cur_ioport->io2.address_length);
2921
2922 err_remove_compat:
2923         sonypi_compat_exit();
2924
2925 err_remove_input:
2926         sony_laptop_remove_input();
2927
2928 err_free_resources:
2929         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2930                 list_del(&io->list);
2931                 kfree(io);
2932         }
2933         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2934                 list_del(&irq->list);
2935                 kfree(irq);
2936         }
2937         spic_dev.cur_ioport = NULL;
2938         spic_dev.cur_irq = NULL;
2939
2940         return result;
2941 }
2942
2943 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2944 {
2945         if (sony_pic_disable(device))
2946                 return -ENXIO;
2947         return 0;
2948 }
2949
2950 static int sony_pic_resume(struct acpi_device *device)
2951 {
2952         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2953         return 0;
2954 }
2955
2956 static const struct acpi_device_id sony_pic_device_ids[] = {
2957         {SONY_PIC_HID, 0},
2958         {"", 0},
2959 };
2960
2961 static struct acpi_driver sony_pic_driver = {
2962         .name = SONY_PIC_DRIVER_NAME,
2963         .class = SONY_PIC_CLASS,
2964         .ids = sony_pic_device_ids,
2965         .owner = THIS_MODULE,
2966         .ops = {
2967                 .add = sony_pic_add,
2968                 .remove = sony_pic_remove,
2969                 .suspend = sony_pic_suspend,
2970                 .resume = sony_pic_resume,
2971                 },
2972 };
2973
2974 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2975         {
2976                 .ident = "Sony Vaio",
2977                 .matches = {
2978                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2979                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2980                 },
2981         },
2982         {
2983                 .ident = "Sony Vaio",
2984                 .matches = {
2985                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2986                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2987                 },
2988         },
2989         { }
2990 };
2991
2992 static int __init sony_laptop_init(void)
2993 {
2994         int result;
2995
2996         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2997                 result = acpi_bus_register_driver(&sony_pic_driver);
2998                 if (result) {
2999                         printk(KERN_ERR DRV_PFX
3000                                         "Unable to register SPIC driver.");
3001                         goto out;
3002                 }
3003                 spic_drv_registered = 1;
3004         }
3005
3006         result = acpi_bus_register_driver(&sony_nc_driver);
3007         if (result) {
3008                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
3009                 goto out_unregister_pic;
3010         }
3011
3012         return 0;
3013
3014 out_unregister_pic:
3015         if (spic_drv_registered)
3016                 acpi_bus_unregister_driver(&sony_pic_driver);
3017 out:
3018         return result;
3019 }
3020
3021 static void __exit sony_laptop_exit(void)
3022 {
3023         acpi_bus_unregister_driver(&sony_nc_driver);
3024         if (spic_drv_registered)
3025                 acpi_bus_unregister_driver(&sony_pic_driver);
3026 }
3027
3028 module_init(sony_laptop_init);
3029 module_exit(sony_laptop_exit);