backlight: constify backlight_ops
[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 };
239
240 static int sony_laptop_input_keycode_map[] = {
241         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
242         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
243         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
244         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
245         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
246         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
247         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
248         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
249         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
250         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
251         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
252         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
253         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
254         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
255         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
256         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
257         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
258         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
259         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
260         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
261         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
262         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
263         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
264         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
265         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
266         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
267         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
268         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
269         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
270         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
271         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
272         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
273         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
274         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
275         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
276         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
277         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
278         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
279         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
280         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
281         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
282         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
283         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
284         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
285         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
286         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
287         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
288         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
289         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
290         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
291         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
292         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
293         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
294         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
295         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
296         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
297         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
298         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
299         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
300 };
301
302 /* release buttons after a short delay if pressed */
303 static void do_sony_laptop_release_key(unsigned long unused)
304 {
305         struct sony_laptop_keypress kp;
306         unsigned long flags;
307
308         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
309
310         if (kfifo_out(&sony_laptop_input.fifo,
311                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
312                 input_report_key(kp.dev, kp.key, 0);
313                 input_sync(kp.dev);
314         }
315
316         /* If there is something in the fifo schedule next release. */
317         if (kfifo_len(&sony_laptop_input.fifo) != 0)
318                 mod_timer(&sony_laptop_input.release_key_timer,
319                           jiffies + msecs_to_jiffies(10));
320
321         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
322 }
323
324 /* forward event to the input subsystem */
325 static void sony_laptop_report_input_event(u8 event)
326 {
327         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
328         struct input_dev *key_dev = sony_laptop_input.key_dev;
329         struct sony_laptop_keypress kp = { NULL };
330
331         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
332                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
333                 /* Nothing, not all VAIOs generate this event */
334                 return;
335         }
336
337         /* report events */
338         switch (event) {
339         /* jog_dev events */
340         case SONYPI_EVENT_JOGDIAL_UP:
341         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
342                 input_report_rel(jog_dev, REL_WHEEL, 1);
343                 input_sync(jog_dev);
344                 return;
345
346         case SONYPI_EVENT_JOGDIAL_DOWN:
347         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
348                 input_report_rel(jog_dev, REL_WHEEL, -1);
349                 input_sync(jog_dev);
350                 return;
351
352         /* key_dev events */
353         case SONYPI_EVENT_JOGDIAL_PRESSED:
354                 kp.key = BTN_MIDDLE;
355                 kp.dev = jog_dev;
356                 break;
357
358         default:
359                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
360                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
361                         break;
362                 }
363                 if (sony_laptop_input_index[event] != -1) {
364                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
365                         if (kp.key != KEY_UNKNOWN)
366                                 kp.dev = key_dev;
367                 }
368                 break;
369         }
370
371         if (kp.dev) {
372                 input_report_key(kp.dev, kp.key, 1);
373                 /* we emit the scancode so we can always remap the key */
374                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
375                 input_sync(kp.dev);
376
377                 /* schedule key release */
378                 kfifo_in_locked(&sony_laptop_input.fifo,
379                                 (unsigned char *)&kp, sizeof(kp),
380                                 &sony_laptop_input.fifo_lock);
381                 mod_timer(&sony_laptop_input.release_key_timer,
382                           jiffies + msecs_to_jiffies(10));
383         } else
384                 dprintk("unknown input event %.2x\n", event);
385 }
386
387 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
388 {
389         struct input_dev *jog_dev;
390         struct input_dev *key_dev;
391         int i;
392         int error;
393
394         /* don't run again if already initialized */
395         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
396                 return 0;
397
398         /* kfifo */
399         spin_lock_init(&sony_laptop_input.fifo_lock);
400         error = kfifo_alloc(&sony_laptop_input.fifo,
401                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
402         if (error) {
403                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
404                 goto err_dec_users;
405         }
406
407         setup_timer(&sony_laptop_input.release_key_timer,
408                     do_sony_laptop_release_key, 0);
409
410         /* input keys */
411         key_dev = input_allocate_device();
412         if (!key_dev) {
413                 error = -ENOMEM;
414                 goto err_free_kfifo;
415         }
416
417         key_dev->name = "Sony Vaio Keys";
418         key_dev->id.bustype = BUS_ISA;
419         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
420         key_dev->dev.parent = &acpi_device->dev;
421
422         /* Initialize the Input Drivers: special keys */
423         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
424
425         __set_bit(EV_KEY, key_dev->evbit);
426         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
427         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
428         key_dev->keycode = &sony_laptop_input_keycode_map;
429         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
430                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
431         __clear_bit(KEY_RESERVED, key_dev->keybit);
432
433         error = input_register_device(key_dev);
434         if (error)
435                 goto err_free_keydev;
436
437         sony_laptop_input.key_dev = key_dev;
438
439         /* jogdial */
440         jog_dev = input_allocate_device();
441         if (!jog_dev) {
442                 error = -ENOMEM;
443                 goto err_unregister_keydev;
444         }
445
446         jog_dev->name = "Sony Vaio Jogdial";
447         jog_dev->id.bustype = BUS_ISA;
448         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
449         key_dev->dev.parent = &acpi_device->dev;
450
451         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
452         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
453
454         error = input_register_device(jog_dev);
455         if (error)
456                 goto err_free_jogdev;
457
458         sony_laptop_input.jog_dev = jog_dev;
459
460         return 0;
461
462 err_free_jogdev:
463         input_free_device(jog_dev);
464
465 err_unregister_keydev:
466         input_unregister_device(key_dev);
467         /* to avoid kref underflow below at input_free_device */
468         key_dev = NULL;
469
470 err_free_keydev:
471         input_free_device(key_dev);
472
473 err_free_kfifo:
474         kfifo_free(&sony_laptop_input.fifo);
475
476 err_dec_users:
477         atomic_dec(&sony_laptop_input.users);
478         return error;
479 }
480
481 static void sony_laptop_remove_input(void)
482 {
483         struct sony_laptop_keypress kp = { NULL };
484
485         /* Cleanup only after the last user has gone */
486         if (!atomic_dec_and_test(&sony_laptop_input.users))
487                 return;
488
489         del_timer_sync(&sony_laptop_input.release_key_timer);
490
491         /*
492          * Generate key-up events for remaining keys. Note that we don't
493          * need locking since nobody is adding new events to the kfifo.
494          */
495         while (kfifo_out(&sony_laptop_input.fifo,
496                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
497                 input_report_key(kp.dev, kp.key, 0);
498                 input_sync(kp.dev);
499         }
500
501         /* destroy input devs */
502         input_unregister_device(sony_laptop_input.key_dev);
503         sony_laptop_input.key_dev = NULL;
504
505         if (sony_laptop_input.jog_dev) {
506                 input_unregister_device(sony_laptop_input.jog_dev);
507                 sony_laptop_input.jog_dev = NULL;
508         }
509
510         kfifo_free(&sony_laptop_input.fifo);
511 }
512
513 /*********** Platform Device ***********/
514
515 static atomic_t sony_pf_users = ATOMIC_INIT(0);
516 static struct platform_driver sony_pf_driver = {
517         .driver = {
518                    .name = "sony-laptop",
519                    .owner = THIS_MODULE,
520                    }
521 };
522 static struct platform_device *sony_pf_device;
523
524 static int sony_pf_add(void)
525 {
526         int ret = 0;
527
528         /* don't run again if already initialized */
529         if (atomic_add_return(1, &sony_pf_users) > 1)
530                 return 0;
531
532         ret = platform_driver_register(&sony_pf_driver);
533         if (ret)
534                 goto out;
535
536         sony_pf_device = platform_device_alloc("sony-laptop", -1);
537         if (!sony_pf_device) {
538                 ret = -ENOMEM;
539                 goto out_platform_registered;
540         }
541
542         ret = platform_device_add(sony_pf_device);
543         if (ret)
544                 goto out_platform_alloced;
545
546         return 0;
547
548       out_platform_alloced:
549         platform_device_put(sony_pf_device);
550         sony_pf_device = NULL;
551       out_platform_registered:
552         platform_driver_unregister(&sony_pf_driver);
553       out:
554         atomic_dec(&sony_pf_users);
555         return ret;
556 }
557
558 static void sony_pf_remove(void)
559 {
560         /* deregister only after the last user has gone */
561         if (!atomic_dec_and_test(&sony_pf_users))
562                 return;
563
564         platform_device_unregister(sony_pf_device);
565         platform_driver_unregister(&sony_pf_driver);
566 }
567
568 /*********** SNC (SNY5001) Device ***********/
569
570 /* the device uses 1-based values, while the backlight subsystem uses
571    0-based values */
572 #define SONY_MAX_BRIGHTNESS     8
573
574 #define SNC_VALIDATE_IN         0
575 #define SNC_VALIDATE_OUT        1
576
577 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
578                               char *);
579 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
580                                const char *, size_t);
581 static int boolean_validate(const int, const int);
582 static int brightness_default_validate(const int, const int);
583
584 struct sony_nc_value {
585         char *name;             /* name of the entry */
586         char **acpiget;         /* names of the ACPI get function */
587         char **acpiset;         /* names of the ACPI set function */
588         int (*validate)(const int, const int);  /* input/output validation */
589         int value;              /* current setting */
590         int valid;              /* Has ever been set */
591         int debug;              /* active only in debug mode ? */
592         struct device_attribute devattr;        /* sysfs atribute */
593 };
594
595 #define SNC_HANDLE_NAMES(_name, _values...) \
596         static char *snc_##_name[] = { _values, NULL }
597
598 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
599         { \
600                 .name           = __stringify(_name), \
601                 .acpiget        = _getters, \
602                 .acpiset        = _setters, \
603                 .validate       = _validate, \
604                 .debug          = _debug, \
605                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
606         }
607
608 #define SNC_HANDLE_NULL { .name = NULL }
609
610 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
611
612 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
613 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
614
615 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
616 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
617
618 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
619 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
620
621 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
622 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
623
624 SNC_HANDLE_NAMES(lidstate_get, "GLID");
625
626 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
627 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
628
629 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
630 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
631
632 SNC_HANDLE_NAMES(PID_get, "GPID");
633
634 SNC_HANDLE_NAMES(CTR_get, "GCTR");
635 SNC_HANDLE_NAMES(CTR_set, "SCTR");
636
637 SNC_HANDLE_NAMES(PCR_get, "GPCR");
638 SNC_HANDLE_NAMES(PCR_set, "SPCR");
639
640 SNC_HANDLE_NAMES(CMI_get, "GCMI");
641 SNC_HANDLE_NAMES(CMI_set, "SCMI");
642
643 static struct sony_nc_value sony_nc_values[] = {
644         SNC_HANDLE(brightness_default, snc_brightness_def_get,
645                         snc_brightness_def_set, brightness_default_validate, 0),
646         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
647         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
648         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
649                         boolean_validate, 0),
650         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
651                         boolean_validate, 1),
652         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
653                         boolean_validate, 0),
654         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
655                         boolean_validate, 0),
656         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
657                         boolean_validate, 0),
658         /* unknown methods */
659         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
660         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
661         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
662         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
663         SNC_HANDLE_NULL
664 };
665
666 static acpi_handle sony_nc_acpi_handle;
667 static struct acpi_device *sony_nc_acpi_device = NULL;
668
669 /*
670  * acpi_evaluate_object wrappers
671  */
672 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
673 {
674         struct acpi_buffer output;
675         union acpi_object out_obj;
676         acpi_status status;
677
678         output.length = sizeof(out_obj);
679         output.pointer = &out_obj;
680
681         status = acpi_evaluate_object(handle, name, NULL, &output);
682         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
683                 *result = out_obj.integer.value;
684                 return 0;
685         }
686
687         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
688
689         return -1;
690 }
691
692 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
693                             int *result)
694 {
695         struct acpi_object_list params;
696         union acpi_object in_obj;
697         struct acpi_buffer output;
698         union acpi_object out_obj;
699         acpi_status status;
700
701         params.count = 1;
702         params.pointer = &in_obj;
703         in_obj.type = ACPI_TYPE_INTEGER;
704         in_obj.integer.value = value;
705
706         output.length = sizeof(out_obj);
707         output.pointer = &out_obj;
708
709         status = acpi_evaluate_object(handle, name, &params, &output);
710         if (status == AE_OK) {
711                 if (result != NULL) {
712                         if (out_obj.type != ACPI_TYPE_INTEGER) {
713                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
714                                        "return type\n");
715                                 return -1;
716                         }
717                         *result = out_obj.integer.value;
718                 }
719                 return 0;
720         }
721
722         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
723
724         return -1;
725 }
726
727 static int sony_find_snc_handle(int handle)
728 {
729         int i;
730         int result;
731
732         for (i = 0x20; i < 0x30; i++) {
733                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
734                 if (result == handle)
735                         return i-0x20;
736         }
737
738         return -1;
739 }
740
741 static int sony_call_snc_handle(int handle, int argument, int *result)
742 {
743         int offset = sony_find_snc_handle(handle);
744
745         if (offset < 0)
746                 return -1;
747
748         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
749                                 result);
750 }
751
752 /*
753  * sony_nc_values input/output validate functions
754  */
755
756 /* brightness_default_validate:
757  *
758  * manipulate input output values to keep consistency with the
759  * backlight framework for which brightness values are 0-based.
760  */
761 static int brightness_default_validate(const int direction, const int value)
762 {
763         switch (direction) {
764                 case SNC_VALIDATE_OUT:
765                         return value - 1;
766                 case SNC_VALIDATE_IN:
767                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
768                                 return value + 1;
769         }
770         return -EINVAL;
771 }
772
773 /* boolean_validate:
774  *
775  * on input validate boolean values 0/1, on output just pass the
776  * received value.
777  */
778 static int boolean_validate(const int direction, const int value)
779 {
780         if (direction == SNC_VALIDATE_IN) {
781                 if (value != 0 && value != 1)
782                         return -EINVAL;
783         }
784         return value;
785 }
786
787 /*
788  * Sysfs show/store common to all sony_nc_values
789  */
790 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
791                               char *buffer)
792 {
793         int value;
794         struct sony_nc_value *item =
795             container_of(attr, struct sony_nc_value, devattr);
796
797         if (!*item->acpiget)
798                 return -EIO;
799
800         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
801                 return -EIO;
802
803         if (item->validate)
804                 value = item->validate(SNC_VALIDATE_OUT, value);
805
806         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
807 }
808
809 static ssize_t sony_nc_sysfs_store(struct device *dev,
810                                struct device_attribute *attr,
811                                const char *buffer, size_t count)
812 {
813         int value;
814         struct sony_nc_value *item =
815             container_of(attr, struct sony_nc_value, devattr);
816
817         if (!item->acpiset)
818                 return -EIO;
819
820         if (count > 31)
821                 return -EINVAL;
822
823         value = simple_strtoul(buffer, NULL, 10);
824
825         if (item->validate)
826                 value = item->validate(SNC_VALIDATE_IN, value);
827
828         if (value < 0)
829                 return value;
830
831         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
832                 return -EIO;
833         item->value = value;
834         item->valid = 1;
835         return count;
836 }
837
838
839 /*
840  * Backlight device
841  */
842 static int sony_backlight_update_status(struct backlight_device *bd)
843 {
844         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
845                                 bd->props.brightness + 1, NULL);
846 }
847
848 static int sony_backlight_get_brightness(struct backlight_device *bd)
849 {
850         int value;
851
852         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
853                 return 0;
854         /* brightness levels are 1-based, while backlight ones are 0-based */
855         return value - 1;
856 }
857
858 static struct backlight_device *sony_backlight_device;
859 static const struct backlight_ops sony_backlight_ops = {
860         .update_status = sony_backlight_update_status,
861         .get_brightness = sony_backlight_get_brightness,
862 };
863
864 /*
865  * New SNC-only Vaios event mapping to driver known keys
866  */
867 struct sony_nc_event {
868         u8      data;
869         u8      event;
870 };
871
872 static struct sony_nc_event sony_100_events[] = {
873         { 0x90, SONYPI_EVENT_PKEY_P1 },
874         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
875         { 0x91, SONYPI_EVENT_PKEY_P2 },
876         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
877         { 0x81, SONYPI_EVENT_FNKEY_F1 },
878         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
879         { 0x82, SONYPI_EVENT_FNKEY_F2 },
880         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
881         { 0x83, SONYPI_EVENT_FNKEY_F3 },
882         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
883         { 0x84, SONYPI_EVENT_FNKEY_F4 },
884         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
885         { 0x85, SONYPI_EVENT_FNKEY_F5 },
886         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
887         { 0x86, SONYPI_EVENT_FNKEY_F6 },
888         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
889         { 0x87, SONYPI_EVENT_FNKEY_F7 },
890         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
891         { 0x89, SONYPI_EVENT_FNKEY_F9 },
892         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
893         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
894         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
895         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
896         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
897         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
898         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
899         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
900         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
901         { 0, 0 },
902 };
903
904 static struct sony_nc_event sony_127_events[] = {
905         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
906         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
907         { 0x82, SONYPI_EVENT_PKEY_P1 },
908         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
909         { 0x83, SONYPI_EVENT_PKEY_P2 },
910         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
911         { 0x84, SONYPI_EVENT_PKEY_P3 },
912         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
913         { 0x85, SONYPI_EVENT_PKEY_P4 },
914         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
915         { 0x86, SONYPI_EVENT_PKEY_P5 },
916         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
917         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
918         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
919         { 0, 0 },
920 };
921
922 /*
923  * ACPI callbacks
924  */
925 static void sony_nc_notify(struct acpi_device *device, u32 event)
926 {
927         u32 ev = event;
928
929         if (ev >= 0x90) {
930                 /* New-style event */
931                 int result;
932                 int key_handle = 0;
933                 ev -= 0x90;
934
935                 if (sony_find_snc_handle(0x100) == ev)
936                         key_handle = 0x100;
937                 if (sony_find_snc_handle(0x127) == ev)
938                         key_handle = 0x127;
939
940                 if (key_handle) {
941                         struct sony_nc_event *key_event;
942
943                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
944                                 dprintk("sony_nc_notify, unable to decode"
945                                         " event 0x%.2x 0x%.2x\n", key_handle,
946                                         ev);
947                                 /* restore the original event */
948                                 ev = event;
949                         } else {
950                                 ev = result & 0xFF;
951
952                                 if (key_handle == 0x100)
953                                         key_event = sony_100_events;
954                                 else
955                                         key_event = sony_127_events;
956
957                                 for (; key_event->data; key_event++) {
958                                         if (key_event->data == ev) {
959                                                 ev = key_event->event;
960                                                 break;
961                                         }
962                                 }
963
964                                 if (!key_event->data)
965                                         printk(KERN_INFO DRV_PFX
966                                                         "Unknown event: 0x%x 0x%x\n",
967                                                         key_handle,
968                                                         ev);
969                                 else
970                                         sony_laptop_report_input_event(ev);
971                         }
972                 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
973                         sony_nc_rfkill_update();
974                         return;
975                 }
976         } else
977                 sony_laptop_report_input_event(ev);
978
979         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
980         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
981 }
982
983 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
984                                       void *context, void **return_value)
985 {
986         struct acpi_device_info *info;
987
988         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
989                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
990                         (char *)&info->name, info->param_count);
991
992                 kfree(info);
993         }
994
995         return AE_OK;
996 }
997
998 /*
999  * ACPI device
1000  */
1001 static int sony_nc_function_setup(struct acpi_device *device)
1002 {
1003         int result;
1004
1005         /* Enable all events */
1006         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1007
1008         /* Setup hotkeys */
1009         sony_call_snc_handle(0x0100, 0, &result);
1010         sony_call_snc_handle(0x0101, 0, &result);
1011         sony_call_snc_handle(0x0102, 0x100, &result);
1012         sony_call_snc_handle(0x0127, 0, &result);
1013
1014         return 0;
1015 }
1016
1017 static int sony_nc_resume(struct acpi_device *device)
1018 {
1019         struct sony_nc_value *item;
1020         acpi_handle handle;
1021
1022         for (item = sony_nc_values; item->name; item++) {
1023                 int ret;
1024
1025                 if (!item->valid)
1026                         continue;
1027                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1028                                        item->value, NULL);
1029                 if (ret < 0) {
1030                         printk("%s: %d\n", __func__, ret);
1031                         break;
1032                 }
1033         }
1034
1035         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1036                                          &handle))) {
1037                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1038                         dprintk("ECON Method failed\n");
1039         }
1040
1041         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1042                                          &handle))) {
1043                 dprintk("Doing SNC setup\n");
1044                 sony_nc_function_setup(device);
1045         }
1046
1047         /* set the last requested brightness level */
1048         if (sony_backlight_device &&
1049                         sony_backlight_update_status(sony_backlight_device) < 0)
1050                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1051
1052         /* re-read rfkill state */
1053         sony_nc_rfkill_update();
1054
1055         return 0;
1056 }
1057
1058 static void sony_nc_rfkill_cleanup(void)
1059 {
1060         int i;
1061
1062         for (i = 0; i < N_SONY_RFKILL; i++) {
1063                 if (sony_rfkill_devices[i]) {
1064                         rfkill_unregister(sony_rfkill_devices[i]);
1065                         rfkill_destroy(sony_rfkill_devices[i]);
1066                 }
1067         }
1068 }
1069
1070 static int sony_nc_rfkill_set(void *data, bool blocked)
1071 {
1072         int result;
1073         int argument = sony_rfkill_address[(long) data] + 0x100;
1074
1075         if (!blocked)
1076                 argument |= 0xff0000;
1077
1078         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1079 }
1080
1081 static const struct rfkill_ops sony_rfkill_ops = {
1082         .set_block = sony_nc_rfkill_set,
1083 };
1084
1085 static int sony_nc_setup_rfkill(struct acpi_device *device,
1086                                 enum sony_nc_rfkill nc_type)
1087 {
1088         int err = 0;
1089         struct rfkill *rfk;
1090         enum rfkill_type type;
1091         const char *name;
1092         int result;
1093         bool hwblock;
1094
1095         switch (nc_type) {
1096         case SONY_WIFI:
1097                 type = RFKILL_TYPE_WLAN;
1098                 name = "sony-wifi";
1099                 break;
1100         case SONY_BLUETOOTH:
1101                 type = RFKILL_TYPE_BLUETOOTH;
1102                 name = "sony-bluetooth";
1103                 break;
1104         case SONY_WWAN:
1105                 type = RFKILL_TYPE_WWAN;
1106                 name = "sony-wwan";
1107                 break;
1108         case SONY_WIMAX:
1109                 type = RFKILL_TYPE_WIMAX;
1110                 name = "sony-wimax";
1111                 break;
1112         default:
1113                 return -EINVAL;
1114         }
1115
1116         rfk = rfkill_alloc(name, &device->dev, type,
1117                            &sony_rfkill_ops, (void *)nc_type);
1118         if (!rfk)
1119                 return -ENOMEM;
1120
1121         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1122         hwblock = !(result & 0x1);
1123         rfkill_set_hw_state(rfk, hwblock);
1124
1125         err = rfkill_register(rfk);
1126         if (err) {
1127                 rfkill_destroy(rfk);
1128                 return err;
1129         }
1130         sony_rfkill_devices[nc_type] = rfk;
1131         return err;
1132 }
1133
1134 static void sony_nc_rfkill_update()
1135 {
1136         enum sony_nc_rfkill i;
1137         int result;
1138         bool hwblock;
1139
1140         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1141         hwblock = !(result & 0x1);
1142
1143         for (i = 0; i < N_SONY_RFKILL; i++) {
1144                 int argument = sony_rfkill_address[i];
1145
1146                 if (!sony_rfkill_devices[i])
1147                         continue;
1148
1149                 if (hwblock) {
1150                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1151                                 /* we already know we're blocked */
1152                         }
1153                         continue;
1154                 }
1155
1156                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1157                 rfkill_set_states(sony_rfkill_devices[i],
1158                                   !(result & 0xf), false);
1159         }
1160 }
1161
1162 static void sony_nc_rfkill_setup(struct acpi_device *device)
1163 {
1164         int offset;
1165         u8 dev_code, i;
1166         acpi_status status;
1167         struct acpi_object_list params;
1168         union acpi_object in_obj;
1169         union acpi_object *device_enum;
1170         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1171
1172         offset = sony_find_snc_handle(0x124);
1173         if (offset == -1) {
1174                 offset = sony_find_snc_handle(0x135);
1175                 if (offset == -1)
1176                         return;
1177                 else
1178                         sony_rfkill_handle = 0x135;
1179         } else
1180                 sony_rfkill_handle = 0x124;
1181         dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1182
1183         /* need to read the whole buffer returned by the acpi call to SN06
1184          * here otherwise we may miss some features
1185          */
1186         params.count = 1;
1187         params.pointer = &in_obj;
1188         in_obj.type = ACPI_TYPE_INTEGER;
1189         in_obj.integer.value = offset;
1190         status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1191                         &buffer);
1192         if (ACPI_FAILURE(status)) {
1193                 dprintk("Radio device enumeration failed\n");
1194                 return;
1195         }
1196
1197         device_enum = (union acpi_object *) buffer.pointer;
1198         if (!device_enum) {
1199                 pr_err("Invalid SN06 return object\n");
1200                 goto out_no_enum;
1201         }
1202         if (device_enum->type != ACPI_TYPE_BUFFER) {
1203                 pr_err("Invalid SN06 return object type 0x%.2x\n",
1204                        device_enum->type);
1205                 goto out_no_enum;
1206         }
1207
1208         /* the buffer is filled with magic numbers describing the devices
1209          * available, 0xff terminates the enumeration
1210          */
1211         for (i = 0; i < device_enum->buffer.length; i++) {
1212
1213                 dev_code = *(device_enum->buffer.pointer + i);
1214                 if (dev_code == 0xff)
1215                         break;
1216
1217                 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1218
1219                 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1220                         sony_nc_setup_rfkill(device, SONY_WIFI);
1221
1222                 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1223                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1224
1225                 if ((0xf0 & dev_code) == 0x20 &&
1226                                 !sony_rfkill_devices[SONY_WWAN])
1227                         sony_nc_setup_rfkill(device, SONY_WWAN);
1228
1229                 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1230                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1231         }
1232
1233 out_no_enum:
1234         kfree(buffer.pointer);
1235         return;
1236 }
1237
1238 static int sony_nc_add(struct acpi_device *device)
1239 {
1240         acpi_status status;
1241         int result = 0;
1242         acpi_handle handle;
1243         struct sony_nc_value *item;
1244
1245         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1246                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1247
1248         sony_nc_acpi_device = device;
1249         strcpy(acpi_device_class(device), "sony/hotkey");
1250
1251         sony_nc_acpi_handle = device->handle;
1252
1253         /* read device status */
1254         result = acpi_bus_get_status(device);
1255         /* bail IFF the above call was successful and the device is not present */
1256         if (!result && !device->status.present) {
1257                 dprintk("Device not present\n");
1258                 result = -ENODEV;
1259                 goto outwalk;
1260         }
1261
1262         if (debug) {
1263                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1264                                              1, sony_walk_callback, NULL, NULL, NULL);
1265                 if (ACPI_FAILURE(status)) {
1266                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1267                         result = -ENODEV;
1268                         goto outwalk;
1269                 }
1270         }
1271
1272         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1273                                          &handle))) {
1274                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1275                         dprintk("ECON Method failed\n");
1276         }
1277
1278         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1279                                          &handle))) {
1280                 dprintk("Doing SNC setup\n");
1281                 sony_nc_function_setup(device);
1282                 sony_nc_rfkill_setup(device);
1283         }
1284
1285         /* setup input devices and helper fifo */
1286         result = sony_laptop_setup_input(device);
1287         if (result) {
1288                 printk(KERN_ERR DRV_PFX
1289                                 "Unable to create input devices.\n");
1290                 goto outwalk;
1291         }
1292
1293         if (acpi_video_backlight_support()) {
1294                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1295                        "controlled by ACPI video driver\n");
1296         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1297                                                 &handle))) {
1298                                                         struct backlight_properties props;
1299                 memset(&props, 0, sizeof(struct backlight_properties));
1300                 props.max_brightness = SONY_MAX_BRIGHTNESS - 1;
1301                 sony_backlight_device = backlight_device_register("sony", NULL,
1302                                                                   NULL,
1303                                                                   &sony_backlight_ops,
1304                                                                   &props);
1305
1306                 if (IS_ERR(sony_backlight_device)) {
1307                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1308                         sony_backlight_device = NULL;
1309                 } else {
1310                         sony_backlight_device->props.brightness =
1311                             sony_backlight_get_brightness
1312                             (sony_backlight_device);
1313                 }
1314
1315         }
1316
1317         result = sony_pf_add();
1318         if (result)
1319                 goto outbacklight;
1320
1321         /* create sony_pf sysfs attributes related to the SNC device */
1322         for (item = sony_nc_values; item->name; ++item) {
1323
1324                 if (!debug && item->debug)
1325                         continue;
1326
1327                 /* find the available acpiget as described in the DSDT */
1328                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1329                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1330                                                          *item->acpiget,
1331                                                          &handle))) {
1332                                 dprintk("Found %s getter: %s\n",
1333                                                 item->name, *item->acpiget);
1334                                 item->devattr.attr.mode |= S_IRUGO;
1335                                 break;
1336                         }
1337                 }
1338
1339                 /* find the available acpiset as described in the DSDT */
1340                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1341                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1342                                                          *item->acpiset,
1343                                                          &handle))) {
1344                                 dprintk("Found %s setter: %s\n",
1345                                                 item->name, *item->acpiset);
1346                                 item->devattr.attr.mode |= S_IWUSR;
1347                                 break;
1348                         }
1349                 }
1350
1351                 if (item->devattr.attr.mode != 0) {
1352                         result =
1353                             device_create_file(&sony_pf_device->dev,
1354                                                &item->devattr);
1355                         if (result)
1356                                 goto out_sysfs;
1357                 }
1358         }
1359
1360         return 0;
1361
1362       out_sysfs:
1363         for (item = sony_nc_values; item->name; ++item) {
1364                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1365         }
1366         sony_pf_remove();
1367
1368       outbacklight:
1369         if (sony_backlight_device)
1370                 backlight_device_unregister(sony_backlight_device);
1371
1372         sony_laptop_remove_input();
1373
1374       outwalk:
1375         sony_nc_rfkill_cleanup();
1376         return result;
1377 }
1378
1379 static int sony_nc_remove(struct acpi_device *device, int type)
1380 {
1381         struct sony_nc_value *item;
1382
1383         if (sony_backlight_device)
1384                 backlight_device_unregister(sony_backlight_device);
1385
1386         sony_nc_acpi_device = NULL;
1387
1388         for (item = sony_nc_values; item->name; ++item) {
1389                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1390         }
1391
1392         sony_pf_remove();
1393         sony_laptop_remove_input();
1394         sony_nc_rfkill_cleanup();
1395         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1396
1397         return 0;
1398 }
1399
1400 static const struct acpi_device_id sony_device_ids[] = {
1401         {SONY_NC_HID, 0},
1402         {SONY_PIC_HID, 0},
1403         {"", 0},
1404 };
1405 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1406
1407 static const struct acpi_device_id sony_nc_device_ids[] = {
1408         {SONY_NC_HID, 0},
1409         {"", 0},
1410 };
1411
1412 static struct acpi_driver sony_nc_driver = {
1413         .name = SONY_NC_DRIVER_NAME,
1414         .class = SONY_NC_CLASS,
1415         .ids = sony_nc_device_ids,
1416         .owner = THIS_MODULE,
1417         .ops = {
1418                 .add = sony_nc_add,
1419                 .remove = sony_nc_remove,
1420                 .resume = sony_nc_resume,
1421                 .notify = sony_nc_notify,
1422                 },
1423 };
1424
1425 /*********** SPIC (SNY6001) Device ***********/
1426
1427 #define SONYPI_DEVICE_TYPE1     0x00000001
1428 #define SONYPI_DEVICE_TYPE2     0x00000002
1429 #define SONYPI_DEVICE_TYPE3     0x00000004
1430 #define SONYPI_DEVICE_TYPE4     0x00000008
1431
1432 #define SONYPI_TYPE1_OFFSET     0x04
1433 #define SONYPI_TYPE2_OFFSET     0x12
1434 #define SONYPI_TYPE3_OFFSET     0x12
1435
1436 struct sony_pic_ioport {
1437         struct acpi_resource_io io1;
1438         struct acpi_resource_io io2;
1439         struct list_head        list;
1440 };
1441
1442 struct sony_pic_irq {
1443         struct acpi_resource_irq        irq;
1444         struct list_head                list;
1445 };
1446
1447 struct sonypi_eventtypes {
1448         u8                      data;
1449         unsigned long           mask;
1450         struct sonypi_event     *events;
1451 };
1452
1453 struct sony_pic_dev {
1454         struct acpi_device              *acpi_dev;
1455         struct sony_pic_irq             *cur_irq;
1456         struct sony_pic_ioport          *cur_ioport;
1457         struct list_head                interrupts;
1458         struct list_head                ioports;
1459         struct mutex                    lock;
1460         struct sonypi_eventtypes        *event_types;
1461         int                             (*handle_irq)(const u8, const u8);
1462         int                             model;
1463         u16                             evport_offset;
1464         u8                              camera_power;
1465         u8                              bluetooth_power;
1466         u8                              wwan_power;
1467 };
1468
1469 static struct sony_pic_dev spic_dev = {
1470         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1471         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1472 };
1473
1474 static int spic_drv_registered;
1475
1476 /* Event masks */
1477 #define SONYPI_JOGGER_MASK                      0x00000001
1478 #define SONYPI_CAPTURE_MASK                     0x00000002
1479 #define SONYPI_FNKEY_MASK                       0x00000004
1480 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1481 #define SONYPI_PKEY_MASK                        0x00000010
1482 #define SONYPI_BACK_MASK                        0x00000020
1483 #define SONYPI_HELP_MASK                        0x00000040
1484 #define SONYPI_LID_MASK                         0x00000080
1485 #define SONYPI_ZOOM_MASK                        0x00000100
1486 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1487 #define SONYPI_MEYE_MASK                        0x00000400
1488 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1489 #define SONYPI_BATTERY_MASK                     0x00001000
1490 #define SONYPI_WIRELESS_MASK                    0x00002000
1491
1492 struct sonypi_event {
1493         u8      data;
1494         u8      event;
1495 };
1496
1497 /* The set of possible button release events */
1498 static struct sonypi_event sonypi_releaseev[] = {
1499         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1500         { 0, 0 }
1501 };
1502
1503 /* The set of possible jogger events  */
1504 static struct sonypi_event sonypi_joggerev[] = {
1505         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1506         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1507         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1508         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1509         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1510         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1511         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1512         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1513         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1514         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1515         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1516         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1517         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1518         { 0, 0 }
1519 };
1520
1521 /* The set of possible capture button events */
1522 static struct sonypi_event sonypi_captureev[] = {
1523         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1524         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1525         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1526         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1527         { 0, 0 }
1528 };
1529
1530 /* The set of possible fnkeys events */
1531 static struct sonypi_event sonypi_fnkeyev[] = {
1532         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1533         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1534         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1535         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1536         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1537         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1538         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1539         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1540         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1541         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1542         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1543         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1544         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1545         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1546         { 0x21, SONYPI_EVENT_FNKEY_1 },
1547         { 0x22, SONYPI_EVENT_FNKEY_2 },
1548         { 0x31, SONYPI_EVENT_FNKEY_D },
1549         { 0x32, SONYPI_EVENT_FNKEY_E },
1550         { 0x33, SONYPI_EVENT_FNKEY_F },
1551         { 0x34, SONYPI_EVENT_FNKEY_S },
1552         { 0x35, SONYPI_EVENT_FNKEY_B },
1553         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1554         { 0, 0 }
1555 };
1556
1557 /* The set of possible program key events */
1558 static struct sonypi_event sonypi_pkeyev[] = {
1559         { 0x01, SONYPI_EVENT_PKEY_P1 },
1560         { 0x02, SONYPI_EVENT_PKEY_P2 },
1561         { 0x04, SONYPI_EVENT_PKEY_P3 },
1562         { 0x20, SONYPI_EVENT_PKEY_P1 },
1563         { 0, 0 }
1564 };
1565
1566 /* The set of possible bluetooth events */
1567 static struct sonypi_event sonypi_blueev[] = {
1568         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1569         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1570         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1571         { 0, 0 }
1572 };
1573
1574 /* The set of possible wireless events */
1575 static struct sonypi_event sonypi_wlessev[] = {
1576         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1577         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1578         { 0, 0 }
1579 };
1580
1581 /* The set of possible back button events */
1582 static struct sonypi_event sonypi_backev[] = {
1583         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1584         { 0, 0 }
1585 };
1586
1587 /* The set of possible help button events */
1588 static struct sonypi_event sonypi_helpev[] = {
1589         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1590         { 0, 0 }
1591 };
1592
1593
1594 /* The set of possible lid events */
1595 static struct sonypi_event sonypi_lidev[] = {
1596         { 0x51, SONYPI_EVENT_LID_CLOSED },
1597         { 0x50, SONYPI_EVENT_LID_OPENED },
1598         { 0, 0 }
1599 };
1600
1601 /* The set of possible zoom events */
1602 static struct sonypi_event sonypi_zoomev[] = {
1603         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1604         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1605         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1606         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1607         { 0, 0 }
1608 };
1609
1610 /* The set of possible thumbphrase events */
1611 static struct sonypi_event sonypi_thumbphraseev[] = {
1612         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1613         { 0, 0 }
1614 };
1615
1616 /* The set of possible motioneye camera events */
1617 static struct sonypi_event sonypi_meyeev[] = {
1618         { 0x00, SONYPI_EVENT_MEYE_FACE },
1619         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1620         { 0, 0 }
1621 };
1622
1623 /* The set of possible memorystick events */
1624 static struct sonypi_event sonypi_memorystickev[] = {
1625         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1626         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1627         { 0, 0 }
1628 };
1629
1630 /* The set of possible battery events */
1631 static struct sonypi_event sonypi_batteryev[] = {
1632         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1633         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1634         { 0, 0 }
1635 };
1636
1637 /* The set of possible volume events */
1638 static struct sonypi_event sonypi_volumeev[] = {
1639         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1640         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1641         { 0, 0 }
1642 };
1643
1644 /* The set of possible brightness events */
1645 static struct sonypi_event sonypi_brightnessev[] = {
1646         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1647         { 0, 0 }
1648 };
1649
1650 static struct sonypi_eventtypes type1_events[] = {
1651         { 0, 0xffffffff, sonypi_releaseev },
1652         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1653         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1654         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1655         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1656         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1657         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1658         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1659         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1660         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1661         { 0 },
1662 };
1663 static struct sonypi_eventtypes type2_events[] = {
1664         { 0, 0xffffffff, sonypi_releaseev },
1665         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1666         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1667         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1668         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1669         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1670         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1671         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1672         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1673         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1674         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1675         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1676         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1677         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1678         { 0 },
1679 };
1680 static struct sonypi_eventtypes type3_events[] = {
1681         { 0, 0xffffffff, sonypi_releaseev },
1682         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1683         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1684         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1685         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1686         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1687         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1688         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1689         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1690         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1691         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1692         { 0 },
1693 };
1694
1695 /* low level spic calls */
1696 #define ITERATIONS_LONG         10000
1697 #define ITERATIONS_SHORT        10
1698 #define wait_on_command(command, iterations) {                          \
1699         unsigned int n = iterations;                                    \
1700         while (--n && (command))                                        \
1701                 udelay(1);                                              \
1702         if (!n)                                                         \
1703                 dprintk("command failed at %s : %s (line %d)\n",        \
1704                                 __FILE__, __func__, __LINE__);  \
1705 }
1706
1707 static u8 sony_pic_call1(u8 dev)
1708 {
1709         u8 v1, v2;
1710
1711         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1712                         ITERATIONS_LONG);
1713         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1714         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1715         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1716         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1717         return v2;
1718 }
1719
1720 static u8 sony_pic_call2(u8 dev, u8 fn)
1721 {
1722         u8 v1;
1723
1724         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1725                         ITERATIONS_LONG);
1726         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1727         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1728                         ITERATIONS_LONG);
1729         outb(fn, spic_dev.cur_ioport->io1.minimum);
1730         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1731         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1732         return v1;
1733 }
1734
1735 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1736 {
1737         u8 v1;
1738
1739         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1740         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1741         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1742         outb(fn, spic_dev.cur_ioport->io1.minimum);
1743         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1744         outb(v, spic_dev.cur_ioport->io1.minimum);
1745         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1746         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1747                         dev, fn, v, v1);
1748         return v1;
1749 }
1750
1751 /*
1752  * minidrivers for SPIC models
1753  */
1754 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1755 {
1756         /*
1757          * 0x31 could mean we have to take some extra action and wait for
1758          * the next irq for some Type3 models, it will generate a new
1759          * irq and we can read new data from the device:
1760          *  - 0x5c and 0x5f requires 0xA0
1761          *  - 0x61 requires 0xB3
1762          */
1763         if (data_mask == 0x31) {
1764                 if (ev == 0x5c || ev == 0x5f)
1765                         sony_pic_call1(0xA0);
1766                 else if (ev == 0x61)
1767                         sony_pic_call1(0xB3);
1768                 return 0;
1769         }
1770         return 1;
1771 }
1772
1773 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1774 {
1775         struct pci_dev *pcidev;
1776
1777         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1778                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1779         if (pcidev) {
1780                 dev->model = SONYPI_DEVICE_TYPE1;
1781                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1782                 dev->event_types = type1_events;
1783                 goto out;
1784         }
1785
1786         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1787                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1788         if (pcidev) {
1789                 dev->model = SONYPI_DEVICE_TYPE2;
1790                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1791                 dev->event_types = type2_events;
1792                 goto out;
1793         }
1794
1795         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1796                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1797         if (pcidev) {
1798                 dev->model = SONYPI_DEVICE_TYPE3;
1799                 dev->handle_irq = type3_handle_irq;
1800                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1801                 dev->event_types = type3_events;
1802                 goto out;
1803         }
1804
1805         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1806                         PCI_DEVICE_ID_INTEL_ICH8_4, 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_ICH9_1, 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         /* default */
1826         dev->model = SONYPI_DEVICE_TYPE2;
1827         dev->evport_offset = SONYPI_TYPE2_OFFSET;
1828         dev->event_types = type2_events;
1829
1830 out:
1831         if (pcidev)
1832                 pci_dev_put(pcidev);
1833
1834         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1835                         dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1836                         dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1837 }
1838
1839 /* camera tests and poweron/poweroff */
1840 #define SONYPI_CAMERA_PICTURE           5
1841 #define SONYPI_CAMERA_CONTROL           0x10
1842
1843 #define SONYPI_CAMERA_BRIGHTNESS                0
1844 #define SONYPI_CAMERA_CONTRAST                  1
1845 #define SONYPI_CAMERA_HUE                       2
1846 #define SONYPI_CAMERA_COLOR                     3
1847 #define SONYPI_CAMERA_SHARPNESS                 4
1848
1849 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1850 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1851 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1852 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1853
1854 /* the rest don't need a loop until not 0xff */
1855 #define SONYPI_CAMERA_AGC                       6
1856 #define SONYPI_CAMERA_AGC_MASK                  0x30
1857 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1858
1859 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1860 #define SONYPI_CAMERA_CONTROL                   0x10
1861
1862 #define SONYPI_CAMERA_STATUS                    7
1863 #define SONYPI_CAMERA_STATUS_READY              0x2
1864 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1865
1866 #define SONYPI_DIRECTION_BACKWARDS              0x4
1867
1868 #define SONYPI_CAMERA_REVISION                  8
1869 #define SONYPI_CAMERA_ROMVERSION                9
1870
1871 static int __sony_pic_camera_ready(void)
1872 {
1873         u8 v;
1874
1875         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1876         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1877 }
1878
1879 static int __sony_pic_camera_off(void)
1880 {
1881         if (!camera) {
1882                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1883                 return -ENODEV;
1884         }
1885
1886         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1887                                 SONYPI_CAMERA_MUTE_MASK),
1888                         ITERATIONS_SHORT);
1889
1890         if (spic_dev.camera_power) {
1891                 sony_pic_call2(0x91, 0);
1892                 spic_dev.camera_power = 0;
1893         }
1894         return 0;
1895 }
1896
1897 static int __sony_pic_camera_on(void)
1898 {
1899         int i, j, x;
1900
1901         if (!camera) {
1902                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1903                 return -ENODEV;
1904         }
1905
1906         if (spic_dev.camera_power)
1907                 return 0;
1908
1909         for (j = 5; j > 0; j--) {
1910
1911                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1912                         msleep(10);
1913                 sony_pic_call1(0x93);
1914
1915                 for (i = 400; i > 0; i--) {
1916                         if (__sony_pic_camera_ready())
1917                                 break;
1918                         msleep(10);
1919                 }
1920                 if (i)
1921                         break;
1922         }
1923
1924         if (j == 0) {
1925                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1926                 return -ENODEV;
1927         }
1928
1929         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1930                                 0x5a),
1931                         ITERATIONS_SHORT);
1932
1933         spic_dev.camera_power = 1;
1934         return 0;
1935 }
1936
1937 /* External camera command (exported to the motion eye v4l driver) */
1938 int sony_pic_camera_command(int command, u8 value)
1939 {
1940         if (!camera)
1941                 return -EIO;
1942
1943         mutex_lock(&spic_dev.lock);
1944
1945         switch (command) {
1946         case SONY_PIC_COMMAND_SETCAMERA:
1947                 if (value)
1948                         __sony_pic_camera_on();
1949                 else
1950                         __sony_pic_camera_off();
1951                 break;
1952         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1953                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1954                                 ITERATIONS_SHORT);
1955                 break;
1956         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1957                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1958                                 ITERATIONS_SHORT);
1959                 break;
1960         case SONY_PIC_COMMAND_SETCAMERAHUE:
1961                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1962                                 ITERATIONS_SHORT);
1963                 break;
1964         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1965                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1966                                 ITERATIONS_SHORT);
1967                 break;
1968         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1969                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1970                                 ITERATIONS_SHORT);
1971                 break;
1972         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1973                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1974                                 ITERATIONS_SHORT);
1975                 break;
1976         case SONY_PIC_COMMAND_SETCAMERAAGC:
1977                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1978                                 ITERATIONS_SHORT);
1979                 break;
1980         default:
1981                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1982                        command);
1983                 break;
1984         }
1985         mutex_unlock(&spic_dev.lock);
1986         return 0;
1987 }
1988 EXPORT_SYMBOL(sony_pic_camera_command);
1989
1990 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1991 static void __sony_pic_set_wwanpower(u8 state)
1992 {
1993         state = !!state;
1994         if (spic_dev.wwan_power == state)
1995                 return;
1996         sony_pic_call2(0xB0, state);
1997         sony_pic_call1(0x82);
1998         spic_dev.wwan_power = state;
1999 }
2000
2001 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2002                 struct device_attribute *attr,
2003                 const char *buffer, size_t count)
2004 {
2005         unsigned long value;
2006         if (count > 31)
2007                 return -EINVAL;
2008
2009         value = simple_strtoul(buffer, NULL, 10);
2010         mutex_lock(&spic_dev.lock);
2011         __sony_pic_set_wwanpower(value);
2012         mutex_unlock(&spic_dev.lock);
2013
2014         return count;
2015 }
2016
2017 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2018                 struct device_attribute *attr, char *buffer)
2019 {
2020         ssize_t count;
2021         mutex_lock(&spic_dev.lock);
2022         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2023         mutex_unlock(&spic_dev.lock);
2024         return count;
2025 }
2026
2027 /* bluetooth subsystem power state */
2028 static void __sony_pic_set_bluetoothpower(u8 state)
2029 {
2030         state = !!state;
2031         if (spic_dev.bluetooth_power == state)
2032                 return;
2033         sony_pic_call2(0x96, state);
2034         sony_pic_call1(0x82);
2035         spic_dev.bluetooth_power = state;
2036 }
2037
2038 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2039                 struct device_attribute *attr,
2040                 const char *buffer, size_t count)
2041 {
2042         unsigned long value;
2043         if (count > 31)
2044                 return -EINVAL;
2045
2046         value = simple_strtoul(buffer, NULL, 10);
2047         mutex_lock(&spic_dev.lock);
2048         __sony_pic_set_bluetoothpower(value);
2049         mutex_unlock(&spic_dev.lock);
2050
2051         return count;
2052 }
2053
2054 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2055                 struct device_attribute *attr, char *buffer)
2056 {
2057         ssize_t count = 0;
2058         mutex_lock(&spic_dev.lock);
2059         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2060         mutex_unlock(&spic_dev.lock);
2061         return count;
2062 }
2063
2064 /* fan speed */
2065 /* FAN0 information (reverse engineered from ACPI tables) */
2066 #define SONY_PIC_FAN0_STATUS    0x93
2067 static int sony_pic_set_fanspeed(unsigned long value)
2068 {
2069         return ec_write(SONY_PIC_FAN0_STATUS, value);
2070 }
2071
2072 static int sony_pic_get_fanspeed(u8 *value)
2073 {
2074         return ec_read(SONY_PIC_FAN0_STATUS, value);
2075 }
2076
2077 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2078                 struct device_attribute *attr,
2079                 const char *buffer, size_t count)
2080 {
2081         unsigned long value;
2082         if (count > 31)
2083                 return -EINVAL;
2084
2085         value = simple_strtoul(buffer, NULL, 10);
2086         if (sony_pic_set_fanspeed(value))
2087                 return -EIO;
2088
2089         return count;
2090 }
2091
2092 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2093                 struct device_attribute *attr, char *buffer)
2094 {
2095         u8 value = 0;
2096         if (sony_pic_get_fanspeed(&value))
2097                 return -EIO;
2098
2099         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2100 }
2101
2102 #define SPIC_ATTR(_name, _mode)                                 \
2103 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2104                 _mode, sony_pic_## _name ##_show,               \
2105                 sony_pic_## _name ##_store)
2106
2107 static SPIC_ATTR(bluetoothpower, 0644);
2108 static SPIC_ATTR(wwanpower, 0644);
2109 static SPIC_ATTR(fanspeed, 0644);
2110
2111 static struct attribute *spic_attributes[] = {
2112         &spic_attr_bluetoothpower.attr,
2113         &spic_attr_wwanpower.attr,
2114         &spic_attr_fanspeed.attr,
2115         NULL
2116 };
2117
2118 static struct attribute_group spic_attribute_group = {
2119         .attrs = spic_attributes
2120 };
2121
2122 /******** SONYPI compatibility **********/
2123 #ifdef CONFIG_SONYPI_COMPAT
2124
2125 /* battery / brightness / temperature  addresses */
2126 #define SONYPI_BAT_FLAGS        0x81
2127 #define SONYPI_LCD_LIGHT        0x96
2128 #define SONYPI_BAT1_PCTRM       0xa0
2129 #define SONYPI_BAT1_LEFT        0xa2
2130 #define SONYPI_BAT1_MAXRT       0xa4
2131 #define SONYPI_BAT2_PCTRM       0xa8
2132 #define SONYPI_BAT2_LEFT        0xaa
2133 #define SONYPI_BAT2_MAXRT       0xac
2134 #define SONYPI_BAT1_MAXTK       0xb0
2135 #define SONYPI_BAT1_FULL        0xb2
2136 #define SONYPI_BAT2_MAXTK       0xb8
2137 #define SONYPI_BAT2_FULL        0xba
2138 #define SONYPI_TEMP_STATUS      0xC1
2139
2140 struct sonypi_compat_s {
2141         struct fasync_struct    *fifo_async;
2142         struct kfifo            fifo;
2143         spinlock_t              fifo_lock;
2144         wait_queue_head_t       fifo_proc_list;
2145         atomic_t                open_count;
2146 };
2147 static struct sonypi_compat_s sonypi_compat = {
2148         .open_count = ATOMIC_INIT(0),
2149 };
2150
2151 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2152 {
2153         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2154 }
2155
2156 static int sonypi_misc_release(struct inode *inode, struct file *file)
2157 {
2158         atomic_dec(&sonypi_compat.open_count);
2159         return 0;
2160 }
2161
2162 static int sonypi_misc_open(struct inode *inode, struct file *file)
2163 {
2164         /* Flush input queue on first open */
2165         unsigned long flags;
2166
2167         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2168
2169         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2170                 kfifo_reset(&sonypi_compat.fifo);
2171
2172         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2173
2174         return 0;
2175 }
2176
2177 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2178                                 size_t count, loff_t *pos)
2179 {
2180         ssize_t ret;
2181         unsigned char c;
2182
2183         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2184             (file->f_flags & O_NONBLOCK))
2185                 return -EAGAIN;
2186
2187         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2188                                        kfifo_len(&sonypi_compat.fifo) != 0);
2189         if (ret)
2190                 return ret;
2191
2192         while (ret < count &&
2193                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2194                           &sonypi_compat.fifo_lock) == sizeof(c))) {
2195                 if (put_user(c, buf++))
2196                         return -EFAULT;
2197                 ret++;
2198         }
2199
2200         if (ret > 0) {
2201                 struct inode *inode = file->f_path.dentry->d_inode;
2202                 inode->i_atime = current_fs_time(inode->i_sb);
2203         }
2204
2205         return ret;
2206 }
2207
2208 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2209 {
2210         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2211         if (kfifo_len(&sonypi_compat.fifo))
2212                 return POLLIN | POLLRDNORM;
2213         return 0;
2214 }
2215
2216 static int ec_read16(u8 addr, u16 *value)
2217 {
2218         u8 val_lb, val_hb;
2219         if (ec_read(addr, &val_lb))
2220                 return -1;
2221         if (ec_read(addr + 1, &val_hb))
2222                 return -1;
2223         *value = val_lb | (val_hb << 8);
2224         return 0;
2225 }
2226
2227 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2228                                                         unsigned long arg)
2229 {
2230         int ret = 0;
2231         void __user *argp = (void __user *)arg;
2232         u8 val8;
2233         u16 val16;
2234         int value;
2235
2236         mutex_lock(&spic_dev.lock);
2237         switch (cmd) {
2238         case SONYPI_IOCGBRT:
2239                 if (sony_backlight_device == NULL) {
2240                         ret = -EIO;
2241                         break;
2242                 }
2243                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2244                         ret = -EIO;
2245                         break;
2246                 }
2247                 val8 = ((value & 0xff) - 1) << 5;
2248                 if (copy_to_user(argp, &val8, sizeof(val8)))
2249                                 ret = -EFAULT;
2250                 break;
2251         case SONYPI_IOCSBRT:
2252                 if (sony_backlight_device == NULL) {
2253                         ret = -EIO;
2254                         break;
2255                 }
2256                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2257                         ret = -EFAULT;
2258                         break;
2259                 }
2260                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2261                                 (val8 >> 5) + 1, NULL)) {
2262                         ret = -EIO;
2263                         break;
2264                 }
2265                 /* sync the backlight device status */
2266                 sony_backlight_device->props.brightness =
2267                     sony_backlight_get_brightness(sony_backlight_device);
2268                 break;
2269         case SONYPI_IOCGBAT1CAP:
2270                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2271                         ret = -EIO;
2272                         break;
2273                 }
2274                 if (copy_to_user(argp, &val16, sizeof(val16)))
2275                         ret = -EFAULT;
2276                 break;
2277         case SONYPI_IOCGBAT1REM:
2278                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2279                         ret = -EIO;
2280                         break;
2281                 }
2282                 if (copy_to_user(argp, &val16, sizeof(val16)))
2283                         ret = -EFAULT;
2284                 break;
2285         case SONYPI_IOCGBAT2CAP:
2286                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2287                         ret = -EIO;
2288                         break;
2289                 }
2290                 if (copy_to_user(argp, &val16, sizeof(val16)))
2291                         ret = -EFAULT;
2292                 break;
2293         case SONYPI_IOCGBAT2REM:
2294                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2295                         ret = -EIO;
2296                         break;
2297                 }
2298                 if (copy_to_user(argp, &val16, sizeof(val16)))
2299                         ret = -EFAULT;
2300                 break;
2301         case SONYPI_IOCGBATFLAGS:
2302                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2303                         ret = -EIO;
2304                         break;
2305                 }
2306                 val8 &= 0x07;
2307                 if (copy_to_user(argp, &val8, sizeof(val8)))
2308                         ret = -EFAULT;
2309                 break;
2310         case SONYPI_IOCGBLUE:
2311                 val8 = spic_dev.bluetooth_power;
2312                 if (copy_to_user(argp, &val8, sizeof(val8)))
2313                         ret = -EFAULT;
2314                 break;
2315         case SONYPI_IOCSBLUE:
2316                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2317                         ret = -EFAULT;
2318                         break;
2319                 }
2320                 __sony_pic_set_bluetoothpower(val8);
2321                 break;
2322         /* FAN Controls */
2323         case SONYPI_IOCGFAN:
2324                 if (sony_pic_get_fanspeed(&val8)) {
2325                         ret = -EIO;
2326                         break;
2327                 }
2328                 if (copy_to_user(argp, &val8, sizeof(val8)))
2329                         ret = -EFAULT;
2330                 break;
2331         case SONYPI_IOCSFAN:
2332                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2333                         ret = -EFAULT;
2334                         break;
2335                 }
2336                 if (sony_pic_set_fanspeed(val8))
2337                         ret = -EIO;
2338                 break;
2339         /* GET Temperature (useful under APM) */
2340         case SONYPI_IOCGTEMP:
2341                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2342                         ret = -EIO;
2343                         break;
2344                 }
2345                 if (copy_to_user(argp, &val8, sizeof(val8)))
2346                         ret = -EFAULT;
2347                 break;
2348         default:
2349                 ret = -EINVAL;
2350         }
2351         mutex_unlock(&spic_dev.lock);
2352         return ret;
2353 }
2354
2355 static const struct file_operations sonypi_misc_fops = {
2356         .owner          = THIS_MODULE,
2357         .read           = sonypi_misc_read,
2358         .poll           = sonypi_misc_poll,
2359         .open           = sonypi_misc_open,
2360         .release        = sonypi_misc_release,
2361         .fasync         = sonypi_misc_fasync,
2362         .unlocked_ioctl = sonypi_misc_ioctl,
2363         .llseek         = noop_llseek,
2364 };
2365
2366 static struct miscdevice sonypi_misc_device = {
2367         .minor          = MISC_DYNAMIC_MINOR,
2368         .name           = "sonypi",
2369         .fops           = &sonypi_misc_fops,
2370 };
2371
2372 static void sonypi_compat_report_event(u8 event)
2373 {
2374         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2375                         sizeof(event), &sonypi_compat.fifo_lock);
2376         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2377         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2378 }
2379
2380 static int sonypi_compat_init(void)
2381 {
2382         int error;
2383
2384         spin_lock_init(&sonypi_compat.fifo_lock);
2385         error =
2386          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2387         if (error) {
2388                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2389                 return error;
2390         }
2391
2392         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2393
2394         if (minor != -1)
2395                 sonypi_misc_device.minor = minor;
2396         error = misc_register(&sonypi_misc_device);
2397         if (error) {
2398                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2399                 goto err_free_kfifo;
2400         }
2401         if (minor == -1)
2402                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2403                        sonypi_misc_device.minor);
2404
2405         return 0;
2406
2407 err_free_kfifo:
2408         kfifo_free(&sonypi_compat.fifo);
2409         return error;
2410 }
2411
2412 static void sonypi_compat_exit(void)
2413 {
2414         misc_deregister(&sonypi_misc_device);
2415         kfifo_free(&sonypi_compat.fifo);
2416 }
2417 #else
2418 static int sonypi_compat_init(void) { return 0; }
2419 static void sonypi_compat_exit(void) { }
2420 static void sonypi_compat_report_event(u8 event) { }
2421 #endif /* CONFIG_SONYPI_COMPAT */
2422
2423 /*
2424  * ACPI callbacks
2425  */
2426 static acpi_status
2427 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2428 {
2429         u32 i;
2430         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2431
2432         switch (resource->type) {
2433         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2434                 {
2435                         /* start IO enumeration */
2436                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2437                         if (!ioport)
2438                                 return AE_ERROR;
2439
2440                         list_add(&ioport->list, &dev->ioports);
2441                         return AE_OK;
2442                 }
2443
2444         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2445                 /* end IO enumeration */
2446                 return AE_OK;
2447
2448         case ACPI_RESOURCE_TYPE_IRQ:
2449                 {
2450                         struct acpi_resource_irq *p = &resource->data.irq;
2451                         struct sony_pic_irq *interrupt = NULL;
2452                         if (!p || !p->interrupt_count) {
2453                                 /*
2454                                  * IRQ descriptors may have no IRQ# bits set,
2455                                  * particularly those those w/ _STA disabled
2456                                  */
2457                                 dprintk("Blank IRQ resource\n");
2458                                 return AE_OK;
2459                         }
2460                         for (i = 0; i < p->interrupt_count; i++) {
2461                                 if (!p->interrupts[i]) {
2462                                         printk(KERN_WARNING DRV_PFX
2463                                                         "Invalid IRQ %d\n",
2464                                                         p->interrupts[i]);
2465                                         continue;
2466                                 }
2467                                 interrupt = kzalloc(sizeof(*interrupt),
2468                                                 GFP_KERNEL);
2469                                 if (!interrupt)
2470                                         return AE_ERROR;
2471
2472                                 list_add(&interrupt->list, &dev->interrupts);
2473                                 interrupt->irq.triggering = p->triggering;
2474                                 interrupt->irq.polarity = p->polarity;
2475                                 interrupt->irq.sharable = p->sharable;
2476                                 interrupt->irq.interrupt_count = 1;
2477                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2478                         }
2479                         return AE_OK;
2480                 }
2481         case ACPI_RESOURCE_TYPE_IO:
2482                 {
2483                         struct acpi_resource_io *io = &resource->data.io;
2484                         struct sony_pic_ioport *ioport =
2485                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2486                         if (!io) {
2487                                 dprintk("Blank IO resource\n");
2488                                 return AE_OK;
2489                         }
2490
2491                         if (!ioport->io1.minimum) {
2492                                 memcpy(&ioport->io1, io, sizeof(*io));
2493                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2494                                                 ioport->io1.address_length);
2495                         }
2496                         else if (!ioport->io2.minimum) {
2497                                 memcpy(&ioport->io2, io, sizeof(*io));
2498                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2499                                                 ioport->io2.address_length);
2500                         }
2501                         else {
2502                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2503                                 return AE_ERROR;
2504                         }
2505                         return AE_OK;
2506                 }
2507         default:
2508                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2509                                 resource->type);
2510
2511         case ACPI_RESOURCE_TYPE_END_TAG:
2512                 return AE_OK;
2513         }
2514         return AE_CTRL_TERMINATE;
2515 }
2516
2517 static int sony_pic_possible_resources(struct acpi_device *device)
2518 {
2519         int result = 0;
2520         acpi_status status = AE_OK;
2521
2522         if (!device)
2523                 return -EINVAL;
2524
2525         /* get device status */
2526         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2527         dprintk("Evaluating _STA\n");
2528         result = acpi_bus_get_status(device);
2529         if (result) {
2530                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2531                 goto end;
2532         }
2533
2534         if (!device->status.enabled)
2535                 dprintk("Device disabled\n");
2536         else
2537                 dprintk("Device enabled\n");
2538
2539         /*
2540          * Query and parse 'method'
2541          */
2542         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2543         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2544                         sony_pic_read_possible_resource, &spic_dev);
2545         if (ACPI_FAILURE(status)) {
2546                 printk(KERN_WARNING DRV_PFX
2547                                 "Failure evaluating %s\n",
2548                                 METHOD_NAME__PRS);
2549                 result = -ENODEV;
2550         }
2551 end:
2552         return result;
2553 }
2554
2555 /*
2556  *  Disable the spic device by calling its _DIS method
2557  */
2558 static int sony_pic_disable(struct acpi_device *device)
2559 {
2560         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2561                                                NULL);
2562
2563         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2564                 return -ENXIO;
2565
2566         dprintk("Device disabled\n");
2567         return 0;
2568 }
2569
2570
2571 /*
2572  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2573  *
2574  *  Call _SRS to set current resources
2575  */
2576 static int sony_pic_enable(struct acpi_device *device,
2577                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2578 {
2579         acpi_status status;
2580         int result = 0;
2581         /* Type 1 resource layout is:
2582          *    IO
2583          *    IO
2584          *    IRQNoFlags
2585          *    End
2586          *
2587          * Type 2 and 3 resource layout is:
2588          *    IO
2589          *    IRQNoFlags
2590          *    End
2591          */
2592         struct {
2593                 struct acpi_resource res1;
2594                 struct acpi_resource res2;
2595                 struct acpi_resource res3;
2596                 struct acpi_resource res4;
2597         } *resource;
2598         struct acpi_buffer buffer = { 0, NULL };
2599
2600         if (!ioport || !irq)
2601                 return -EINVAL;
2602
2603         /* init acpi_buffer */
2604         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2605         if (!resource)
2606                 return -ENOMEM;
2607
2608         buffer.length = sizeof(*resource) + 1;
2609         buffer.pointer = resource;
2610
2611         /* setup Type 1 resources */
2612         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2613
2614                 /* setup io resources */
2615                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2616                 resource->res1.length = sizeof(struct acpi_resource);
2617                 memcpy(&resource->res1.data.io, &ioport->io1,
2618                                 sizeof(struct acpi_resource_io));
2619
2620                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2621                 resource->res2.length = sizeof(struct acpi_resource);
2622                 memcpy(&resource->res2.data.io, &ioport->io2,
2623                                 sizeof(struct acpi_resource_io));
2624
2625                 /* setup irq resource */
2626                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2627                 resource->res3.length = sizeof(struct acpi_resource);
2628                 memcpy(&resource->res3.data.irq, &irq->irq,
2629                                 sizeof(struct acpi_resource_irq));
2630                 /* we requested a shared irq */
2631                 resource->res3.data.irq.sharable = ACPI_SHARED;
2632
2633                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2634
2635         }
2636         /* setup Type 2/3 resources */
2637         else {
2638                 /* setup io resource */
2639                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2640                 resource->res1.length = sizeof(struct acpi_resource);
2641                 memcpy(&resource->res1.data.io, &ioport->io1,
2642                                 sizeof(struct acpi_resource_io));
2643
2644                 /* setup irq resource */
2645                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2646                 resource->res2.length = sizeof(struct acpi_resource);
2647                 memcpy(&resource->res2.data.irq, &irq->irq,
2648                                 sizeof(struct acpi_resource_irq));
2649                 /* we requested a shared irq */
2650                 resource->res2.data.irq.sharable = ACPI_SHARED;
2651
2652                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2653         }
2654
2655         /* Attempt to set the resource */
2656         dprintk("Evaluating _SRS\n");
2657         status = acpi_set_current_resources(device->handle, &buffer);
2658
2659         /* check for total failure */
2660         if (ACPI_FAILURE(status)) {
2661                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2662                 result = -ENODEV;
2663                 goto end;
2664         }
2665
2666         /* Necessary device initializations calls (from sonypi) */
2667         sony_pic_call1(0x82);
2668         sony_pic_call2(0x81, 0xff);
2669         sony_pic_call1(compat ? 0x92 : 0x82);
2670
2671 end:
2672         kfree(resource);
2673         return result;
2674 }
2675
2676 /*****************
2677  *
2678  * ISR: some event is available
2679  *
2680  *****************/
2681 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2682 {
2683         int i, j;
2684         u8 ev = 0;
2685         u8 data_mask = 0;
2686         u8 device_event = 0;
2687
2688         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2689
2690         ev = inb_p(dev->cur_ioport->io1.minimum);
2691         if (dev->cur_ioport->io2.minimum)
2692                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2693         else
2694                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2695                                 dev->evport_offset);
2696
2697         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2698                         ev, data_mask, dev->cur_ioport->io1.minimum,
2699                         dev->evport_offset);
2700
2701         if (ev == 0x00 || ev == 0xff)
2702                 return IRQ_HANDLED;
2703
2704         for (i = 0; dev->event_types[i].mask; i++) {
2705
2706                 if ((data_mask & dev->event_types[i].data) !=
2707                     dev->event_types[i].data)
2708                         continue;
2709
2710                 if (!(mask & dev->event_types[i].mask))
2711                         continue;
2712
2713                 for (j = 0; dev->event_types[i].events[j].event; j++) {
2714                         if (ev == dev->event_types[i].events[j].data) {
2715                                 device_event =
2716                                         dev->event_types[i].events[j].event;
2717                                 goto found;
2718                         }
2719                 }
2720         }
2721         /* Still not able to decode the event try to pass
2722          * it over to the minidriver
2723          */
2724         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2725                 return IRQ_HANDLED;
2726
2727         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2728                         ev, data_mask, dev->cur_ioport->io1.minimum,
2729                         dev->evport_offset);
2730         return IRQ_HANDLED;
2731
2732 found:
2733         sony_laptop_report_input_event(device_event);
2734         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2735         sonypi_compat_report_event(device_event);
2736
2737         return IRQ_HANDLED;
2738 }
2739
2740 /*****************
2741  *
2742  *  ACPI driver
2743  *
2744  *****************/
2745 static int sony_pic_remove(struct acpi_device *device, int type)
2746 {
2747         struct sony_pic_ioport *io, *tmp_io;
2748         struct sony_pic_irq *irq, *tmp_irq;
2749
2750         if (sony_pic_disable(device)) {
2751                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2752                 return -ENXIO;
2753         }
2754
2755         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2756         release_region(spic_dev.cur_ioport->io1.minimum,
2757                         spic_dev.cur_ioport->io1.address_length);
2758         if (spic_dev.cur_ioport->io2.minimum)
2759                 release_region(spic_dev.cur_ioport->io2.minimum,
2760                                 spic_dev.cur_ioport->io2.address_length);
2761
2762         sonypi_compat_exit();
2763
2764         sony_laptop_remove_input();
2765
2766         /* pf attrs */
2767         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2768         sony_pf_remove();
2769
2770         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2771                 list_del(&io->list);
2772                 kfree(io);
2773         }
2774         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2775                 list_del(&irq->list);
2776                 kfree(irq);
2777         }
2778         spic_dev.cur_ioport = NULL;
2779         spic_dev.cur_irq = NULL;
2780
2781         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2782         return 0;
2783 }
2784
2785 static int sony_pic_add(struct acpi_device *device)
2786 {
2787         int result;
2788         struct sony_pic_ioport *io, *tmp_io;
2789         struct sony_pic_irq *irq, *tmp_irq;
2790
2791         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2792                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2793
2794         spic_dev.acpi_dev = device;
2795         strcpy(acpi_device_class(device), "sony/hotkey");
2796         sony_pic_detect_device_type(&spic_dev);
2797         mutex_init(&spic_dev.lock);
2798
2799         /* read _PRS resources */
2800         result = sony_pic_possible_resources(device);
2801         if (result) {
2802                 printk(KERN_ERR DRV_PFX
2803                                 "Unable to read possible resources.\n");
2804                 goto err_free_resources;
2805         }
2806
2807         /* setup input devices and helper fifo */
2808         result = sony_laptop_setup_input(device);
2809         if (result) {
2810                 printk(KERN_ERR DRV_PFX
2811                                 "Unable to create input devices.\n");
2812                 goto err_free_resources;
2813         }
2814
2815         if (sonypi_compat_init())
2816                 goto err_remove_input;
2817
2818         /* request io port */
2819         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2820                 if (request_region(io->io1.minimum, io->io1.address_length,
2821                                         "Sony Programable I/O Device")) {
2822                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2823                                         io->io1.minimum, io->io1.maximum,
2824                                         io->io1.address_length);
2825                         /* Type 1 have 2 ioports */
2826                         if (io->io2.minimum) {
2827                                 if (request_region(io->io2.minimum,
2828                                                 io->io2.address_length,
2829                                                 "Sony Programable I/O Device")) {
2830                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2831                                                         io->io2.minimum, io->io2.maximum,
2832                                                         io->io2.address_length);
2833                                         spic_dev.cur_ioport = io;
2834                                         break;
2835                                 }
2836                                 else {
2837                                         dprintk("Unable to get I/O port2: "
2838                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2839                                                         io->io2.minimum, io->io2.maximum,
2840                                                         io->io2.address_length);
2841                                         release_region(io->io1.minimum,
2842                                                         io->io1.address_length);
2843                                 }
2844                         }
2845                         else {
2846                                 spic_dev.cur_ioport = io;
2847                                 break;
2848                         }
2849                 }
2850         }
2851         if (!spic_dev.cur_ioport) {
2852                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2853                 result = -ENODEV;
2854                 goto err_remove_compat;
2855         }
2856
2857         /* request IRQ */
2858         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2859                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2860                                         IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2861                         dprintk("IRQ: %d - triggering: %d - "
2862                                         "polarity: %d - shr: %d\n",
2863                                         irq->irq.interrupts[0],
2864                                         irq->irq.triggering,
2865                                         irq->irq.polarity,
2866                                         irq->irq.sharable);
2867                         spic_dev.cur_irq = irq;
2868                         break;
2869                 }
2870         }
2871         if (!spic_dev.cur_irq) {
2872                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2873                 result = -ENODEV;
2874                 goto err_release_region;
2875         }
2876
2877         /* set resource status _SRS */
2878         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2879         if (result) {
2880                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2881                 goto err_free_irq;
2882         }
2883
2884         spic_dev.bluetooth_power = -1;
2885         /* create device attributes */
2886         result = sony_pf_add();
2887         if (result)
2888                 goto err_disable_device;
2889
2890         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2891         if (result)
2892                 goto err_remove_pf;
2893
2894         return 0;
2895
2896 err_remove_pf:
2897         sony_pf_remove();
2898
2899 err_disable_device:
2900         sony_pic_disable(device);
2901
2902 err_free_irq:
2903         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2904
2905 err_release_region:
2906         release_region(spic_dev.cur_ioport->io1.minimum,
2907                         spic_dev.cur_ioport->io1.address_length);
2908         if (spic_dev.cur_ioport->io2.minimum)
2909                 release_region(spic_dev.cur_ioport->io2.minimum,
2910                                 spic_dev.cur_ioport->io2.address_length);
2911
2912 err_remove_compat:
2913         sonypi_compat_exit();
2914
2915 err_remove_input:
2916         sony_laptop_remove_input();
2917
2918 err_free_resources:
2919         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2920                 list_del(&io->list);
2921                 kfree(io);
2922         }
2923         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2924                 list_del(&irq->list);
2925                 kfree(irq);
2926         }
2927         spic_dev.cur_ioport = NULL;
2928         spic_dev.cur_irq = NULL;
2929
2930         return result;
2931 }
2932
2933 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2934 {
2935         if (sony_pic_disable(device))
2936                 return -ENXIO;
2937         return 0;
2938 }
2939
2940 static int sony_pic_resume(struct acpi_device *device)
2941 {
2942         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2943         return 0;
2944 }
2945
2946 static const struct acpi_device_id sony_pic_device_ids[] = {
2947         {SONY_PIC_HID, 0},
2948         {"", 0},
2949 };
2950
2951 static struct acpi_driver sony_pic_driver = {
2952         .name = SONY_PIC_DRIVER_NAME,
2953         .class = SONY_PIC_CLASS,
2954         .ids = sony_pic_device_ids,
2955         .owner = THIS_MODULE,
2956         .ops = {
2957                 .add = sony_pic_add,
2958                 .remove = sony_pic_remove,
2959                 .suspend = sony_pic_suspend,
2960                 .resume = sony_pic_resume,
2961                 },
2962 };
2963
2964 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2965         {
2966                 .ident = "Sony Vaio",
2967                 .matches = {
2968                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2969                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2970                 },
2971         },
2972         {
2973                 .ident = "Sony Vaio",
2974                 .matches = {
2975                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2976                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2977                 },
2978         },
2979         { }
2980 };
2981
2982 static int __init sony_laptop_init(void)
2983 {
2984         int result;
2985
2986         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2987                 result = acpi_bus_register_driver(&sony_pic_driver);
2988                 if (result) {
2989                         printk(KERN_ERR DRV_PFX
2990                                         "Unable to register SPIC driver.");
2991                         goto out;
2992                 }
2993                 spic_drv_registered = 1;
2994         }
2995
2996         result = acpi_bus_register_driver(&sony_nc_driver);
2997         if (result) {
2998                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2999                 goto out_unregister_pic;
3000         }
3001
3002         return 0;
3003
3004 out_unregister_pic:
3005         if (spic_drv_registered)
3006                 acpi_bus_unregister_driver(&sony_pic_driver);
3007 out:
3008         return result;
3009 }
3010
3011 static void __exit sony_laptop_exit(void)
3012 {
3013         acpi_bus_unregister_driver(&sony_nc_driver);
3014         if (spic_drv_registered)
3015                 acpi_bus_unregister_driver(&sony_pic_driver);
3016 }
3017
3018 module_init(sony_laptop_init);
3019 module_exit(sony_laptop_exit);