sony-laptop - remove private workqueue, use keventd instead
[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 <acpi/acpi_drivers.h>
62 #include <acpi/acpi_bus.h>
63 #include <asm/uaccess.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71
72 #define DRV_PFX                 "sony-laptop: "
73 #define dprintk(msg...)         do {                    \
74         if (debug) printk(KERN_WARNING DRV_PFX  msg);   \
75 } while (0)
76
77 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
78
79 #define SONY_NC_CLASS           "sony-nc"
80 #define SONY_NC_HID             "SNY5001"
81 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
82
83 #define SONY_PIC_CLASS          "sony-pic"
84 #define SONY_PIC_HID            "SNY6001"
85 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
86
87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89 MODULE_LICENSE("GPL");
90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95                  "the development of this driver");
96
97 static int no_spic;             /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100                  "set this if you don't want to enable the SPIC device");
101
102 static int compat;              /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105                  "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110                  "set this to the mask of event you want to enable (see doc)");
111
112 static int camera;              /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115                  "set this to 1 to enable Motion Eye camera controls "
116                  "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122                  "minor number of the misc device for the SPIC compatibility code, "
123                  "default is -1 (automatic)");
124 #endif
125
126 enum sony_nc_rfkill {
127         SONY_WIFI,
128         SONY_BLUETOOTH,
129         SONY_WWAN,
130         SONY_WIMAX,
131         N_SONY_RFKILL,
132 };
133
134 static int sony_rfkill_handle;
135 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
136 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
137 static void sony_nc_rfkill_update(void);
138
139 /*********** Input Devices ***********/
140
141 #define SONY_LAPTOP_BUF_SIZE    128
142 struct sony_laptop_input_s {
143         atomic_t                users;
144         struct input_dev        *jog_dev;
145         struct input_dev        *key_dev;
146         struct kfifo            fifo;
147         spinlock_t              fifo_lock;
148 };
149
150 static struct sony_laptop_input_s sony_laptop_input = {
151         .users = ATOMIC_INIT(0),
152 };
153
154 struct sony_laptop_keypress {
155         struct input_dev *dev;
156         int key;
157 };
158
159 /* Correspondance table between sonypi events
160  * and input layer indexes in the keymap
161  */
162 static int sony_laptop_input_index[] = {
163         -1,     /*  0 no event */
164         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
165         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
166         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
167         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
168         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
169         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
170          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
171          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
172          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
173          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
174          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
175          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
176          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
177          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
178          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
179          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
180         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
181         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
182         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
183         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
184         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
185         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
186         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
187         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
188         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
189         19,     /* 26 SONYPI_EVENT_FNKEY_D */
190         20,     /* 27 SONYPI_EVENT_FNKEY_E */
191         21,     /* 28 SONYPI_EVENT_FNKEY_F */
192         22,     /* 29 SONYPI_EVENT_FNKEY_S */
193         23,     /* 30 SONYPI_EVENT_FNKEY_B */
194         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
195         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
196         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
197         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
198         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
199         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
200         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
201         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
202         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
203         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
204         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
205         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
206         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
207         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
208         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
209         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
210         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
211         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
212         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
213         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
214         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
215         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
216         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
217         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
218         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
219         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
220         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
221         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
222         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
223         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
224         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
225         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
226         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
227         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
228         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
229         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
230         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
231         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
232         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
233         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
234         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
235         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
236 };
237
238 static int sony_laptop_input_keycode_map[] = {
239         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
240         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
241         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
242         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
243         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
244         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
245         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
246         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
247         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
248         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
249         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
250         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
251         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
252         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
253         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
254         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
255         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
256         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
257         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
258         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
259         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
260         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
261         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
262         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
263         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
264         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
265         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
266         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
267         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
268         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
269         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
270         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
271         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
272         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
273         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
274         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
275         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
276         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
277         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
278         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
279         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
280         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
281         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
282         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
283         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
284         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
285         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
286         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
287         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
288         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
289         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
290         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
291         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
292         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
293         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
294         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
295         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
296         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
297         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
298 };
299
300 /* release buttons after a short delay if pressed */
301 static void do_sony_laptop_release_key(struct work_struct *work)
302 {
303         struct delayed_work *dwork =
304                         container_of(work, struct delayed_work, work);
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                 schedule_delayed_work(dwork, msecs_to_jiffies(10));
319
320         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
321 }
322
323 static DECLARE_DELAYED_WORK(sony_laptop_release_key_work,
324                             do_sony_laptop_release_key);
325
326 /* forward event to the input subsystem */
327 static void sony_laptop_report_input_event(u8 event)
328 {
329         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
330         struct input_dev *key_dev = sony_laptop_input.key_dev;
331         struct sony_laptop_keypress kp = { NULL };
332
333         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
334                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
335                 /* Nothing, not all VAIOs generate this event */
336                 return;
337         }
338
339         /* report events */
340         switch (event) {
341         /* jog_dev events */
342         case SONYPI_EVENT_JOGDIAL_UP:
343         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
344                 input_report_rel(jog_dev, REL_WHEEL, 1);
345                 input_sync(jog_dev);
346                 return;
347
348         case SONYPI_EVENT_JOGDIAL_DOWN:
349         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
350                 input_report_rel(jog_dev, REL_WHEEL, -1);
351                 input_sync(jog_dev);
352                 return;
353
354         /* key_dev events */
355         case SONYPI_EVENT_JOGDIAL_PRESSED:
356                 kp.key = BTN_MIDDLE;
357                 kp.dev = jog_dev;
358                 break;
359
360         default:
361                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
362                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
363                         break;
364                 }
365                 if (sony_laptop_input_index[event] != -1) {
366                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
367                         if (kp.key != KEY_UNKNOWN)
368                                 kp.dev = key_dev;
369                 }
370                 break;
371         }
372
373         if (kp.dev) {
374                 input_report_key(kp.dev, kp.key, 1);
375                 /* we emit the scancode so we can always remap the key */
376                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
377                 input_sync(kp.dev);
378
379                 /* schedule key release */
380                 kfifo_in_locked(&sony_laptop_input.fifo,
381                                 (unsigned char *)&kp, sizeof(kp),
382                                 &sony_laptop_input.fifo_lock);
383                 schedule_delayed_work(&sony_laptop_release_key_work,
384                                       msecs_to_jiffies(10));
385         } else
386                 dprintk("unknown input event %.2x\n", event);
387 }
388
389 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
390 {
391         struct input_dev *jog_dev;
392         struct input_dev *key_dev;
393         int i;
394         int error;
395
396         /* don't run again if already initialized */
397         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
398                 return 0;
399
400         /* kfifo */
401         spin_lock_init(&sony_laptop_input.fifo_lock);
402         error = kfifo_alloc(&sony_laptop_input.fifo,
403                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
404         if (error) {
405                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
406                 goto err_dec_users;
407         }
408
409         /* input keys */
410         key_dev = input_allocate_device();
411         if (!key_dev) {
412                 error = -ENOMEM;
413                 goto err_free_kfifo;
414         }
415
416         key_dev->name = "Sony Vaio Keys";
417         key_dev->id.bustype = BUS_ISA;
418         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
419         key_dev->dev.parent = &acpi_device->dev;
420
421         /* Initialize the Input Drivers: special keys */
422         set_bit(EV_KEY, key_dev->evbit);
423         set_bit(EV_MSC, key_dev->evbit);
424         set_bit(MSC_SCAN, key_dev->mscbit);
425         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
426         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
427         key_dev->keycode = &sony_laptop_input_keycode_map;
428         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
429                 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
430                         set_bit(sony_laptop_input_keycode_map[i],
431                                 key_dev->keybit);
432                 }
433         }
434
435         error = input_register_device(key_dev);
436         if (error)
437                 goto err_free_keydev;
438
439         sony_laptop_input.key_dev = key_dev;
440
441         /* jogdial */
442         jog_dev = input_allocate_device();
443         if (!jog_dev) {
444                 error = -ENOMEM;
445                 goto err_unregister_keydev;
446         }
447
448         jog_dev->name = "Sony Vaio Jogdial";
449         jog_dev->id.bustype = BUS_ISA;
450         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
451         key_dev->dev.parent = &acpi_device->dev;
452
453         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
454         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
455         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
456
457         error = input_register_device(jog_dev);
458         if (error)
459                 goto err_free_jogdev;
460
461         sony_laptop_input.jog_dev = jog_dev;
462
463         return 0;
464
465 err_free_jogdev:
466         input_free_device(jog_dev);
467
468 err_unregister_keydev:
469         input_unregister_device(key_dev);
470         /* to avoid kref underflow below at input_free_device */
471         key_dev = NULL;
472
473 err_free_keydev:
474         input_free_device(key_dev);
475
476 err_free_kfifo:
477         kfifo_free(&sony_laptop_input.fifo);
478
479 err_dec_users:
480         atomic_dec(&sony_laptop_input.users);
481         return error;
482 }
483
484 static void sony_laptop_remove_input(void)
485 {
486         struct sony_laptop_keypress kp = { NULL };
487
488         /* Cleanup only after the last user has gone */
489         if (!atomic_dec_and_test(&sony_laptop_input.users))
490                 return;
491
492         cancel_delayed_work_sync(&sony_laptop_release_key_work);
493
494         /*
495          * Generate key-up events for remaining keys. Note that we don't
496          * need locking since nobody is adding new events to the kfifo.
497          */
498         while (kfifo_out(&sony_laptop_input.fifo,
499                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
500                 input_report_key(kp.dev, kp.key, 0);
501                 input_sync(kp.dev);
502         }
503
504         /* destroy input devs */
505         input_unregister_device(sony_laptop_input.key_dev);
506         sony_laptop_input.key_dev = NULL;
507
508         if (sony_laptop_input.jog_dev) {
509                 input_unregister_device(sony_laptop_input.jog_dev);
510                 sony_laptop_input.jog_dev = NULL;
511         }
512
513         kfifo_free(&sony_laptop_input.fifo);
514 }
515
516 /*********** Platform Device ***********/
517
518 static atomic_t sony_pf_users = ATOMIC_INIT(0);
519 static struct platform_driver sony_pf_driver = {
520         .driver = {
521                    .name = "sony-laptop",
522                    .owner = THIS_MODULE,
523                    }
524 };
525 static struct platform_device *sony_pf_device;
526
527 static int sony_pf_add(void)
528 {
529         int ret = 0;
530
531         /* don't run again if already initialized */
532         if (atomic_add_return(1, &sony_pf_users) > 1)
533                 return 0;
534
535         ret = platform_driver_register(&sony_pf_driver);
536         if (ret)
537                 goto out;
538
539         sony_pf_device = platform_device_alloc("sony-laptop", -1);
540         if (!sony_pf_device) {
541                 ret = -ENOMEM;
542                 goto out_platform_registered;
543         }
544
545         ret = platform_device_add(sony_pf_device);
546         if (ret)
547                 goto out_platform_alloced;
548
549         return 0;
550
551       out_platform_alloced:
552         platform_device_put(sony_pf_device);
553         sony_pf_device = NULL;
554       out_platform_registered:
555         platform_driver_unregister(&sony_pf_driver);
556       out:
557         atomic_dec(&sony_pf_users);
558         return ret;
559 }
560
561 static void sony_pf_remove(void)
562 {
563         /* deregister only after the last user has gone */
564         if (!atomic_dec_and_test(&sony_pf_users))
565                 return;
566
567         platform_device_del(sony_pf_device);
568         platform_device_put(sony_pf_device);
569         platform_driver_unregister(&sony_pf_driver);
570 }
571
572 /*********** SNC (SNY5001) Device ***********/
573
574 /* the device uses 1-based values, while the backlight subsystem uses
575    0-based values */
576 #define SONY_MAX_BRIGHTNESS     8
577
578 #define SNC_VALIDATE_IN         0
579 #define SNC_VALIDATE_OUT        1
580
581 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
582                               char *);
583 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
584                                const char *, size_t);
585 static int boolean_validate(const int, const int);
586 static int brightness_default_validate(const int, const int);
587
588 struct sony_nc_value {
589         char *name;             /* name of the entry */
590         char **acpiget;         /* names of the ACPI get function */
591         char **acpiset;         /* names of the ACPI set function */
592         int (*validate)(const int, const int);  /* input/output validation */
593         int value;              /* current setting */
594         int valid;              /* Has ever been set */
595         int debug;              /* active only in debug mode ? */
596         struct device_attribute devattr;        /* sysfs atribute */
597 };
598
599 #define SNC_HANDLE_NAMES(_name, _values...) \
600         static char *snc_##_name[] = { _values, NULL }
601
602 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
603         { \
604                 .name           = __stringify(_name), \
605                 .acpiget        = _getters, \
606                 .acpiset        = _setters, \
607                 .validate       = _validate, \
608                 .debug          = _debug, \
609                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
610         }
611
612 #define SNC_HANDLE_NULL { .name = NULL }
613
614 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
615
616 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
617 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
618
619 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
620 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
621
622 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
623 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
624
625 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
626 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
627
628 SNC_HANDLE_NAMES(lidstate_get, "GLID");
629
630 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
631 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
632
633 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
634 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
635
636 SNC_HANDLE_NAMES(PID_get, "GPID");
637
638 SNC_HANDLE_NAMES(CTR_get, "GCTR");
639 SNC_HANDLE_NAMES(CTR_set, "SCTR");
640
641 SNC_HANDLE_NAMES(PCR_get, "GPCR");
642 SNC_HANDLE_NAMES(PCR_set, "SPCR");
643
644 SNC_HANDLE_NAMES(CMI_get, "GCMI");
645 SNC_HANDLE_NAMES(CMI_set, "SCMI");
646
647 static struct sony_nc_value sony_nc_values[] = {
648         SNC_HANDLE(brightness_default, snc_brightness_def_get,
649                         snc_brightness_def_set, brightness_default_validate, 0),
650         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
651         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
652         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
653                         boolean_validate, 0),
654         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
655                         boolean_validate, 1),
656         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
657                         boolean_validate, 0),
658         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
659                         boolean_validate, 0),
660         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
661                         boolean_validate, 0),
662         /* unknown methods */
663         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
664         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
665         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
666         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
667         SNC_HANDLE_NULL
668 };
669
670 static acpi_handle sony_nc_acpi_handle;
671 static struct acpi_device *sony_nc_acpi_device = NULL;
672
673 /*
674  * acpi_evaluate_object wrappers
675  */
676 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
677 {
678         struct acpi_buffer output;
679         union acpi_object out_obj;
680         acpi_status status;
681
682         output.length = sizeof(out_obj);
683         output.pointer = &out_obj;
684
685         status = acpi_evaluate_object(handle, name, NULL, &output);
686         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
687                 *result = out_obj.integer.value;
688                 return 0;
689         }
690
691         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
692
693         return -1;
694 }
695
696 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
697                             int *result)
698 {
699         struct acpi_object_list params;
700         union acpi_object in_obj;
701         struct acpi_buffer output;
702         union acpi_object out_obj;
703         acpi_status status;
704
705         params.count = 1;
706         params.pointer = &in_obj;
707         in_obj.type = ACPI_TYPE_INTEGER;
708         in_obj.integer.value = value;
709
710         output.length = sizeof(out_obj);
711         output.pointer = &out_obj;
712
713         status = acpi_evaluate_object(handle, name, &params, &output);
714         if (status == AE_OK) {
715                 if (result != NULL) {
716                         if (out_obj.type != ACPI_TYPE_INTEGER) {
717                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
718                                        "return type\n");
719                                 return -1;
720                         }
721                         *result = out_obj.integer.value;
722                 }
723                 return 0;
724         }
725
726         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
727
728         return -1;
729 }
730
731 static int sony_find_snc_handle(int handle)
732 {
733         int i;
734         int result;
735
736         for (i = 0x20; i < 0x30; i++) {
737                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
738                 if (result == handle)
739                         return i-0x20;
740         }
741
742         return -1;
743 }
744
745 static int sony_call_snc_handle(int handle, int argument, int *result)
746 {
747         int offset = sony_find_snc_handle(handle);
748
749         if (offset < 0)
750                 return -1;
751
752         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
753                                 result);
754 }
755
756 /*
757  * sony_nc_values input/output validate functions
758  */
759
760 /* brightness_default_validate:
761  *
762  * manipulate input output values to keep consistency with the
763  * backlight framework for which brightness values are 0-based.
764  */
765 static int brightness_default_validate(const int direction, const int value)
766 {
767         switch (direction) {
768                 case SNC_VALIDATE_OUT:
769                         return value - 1;
770                 case SNC_VALIDATE_IN:
771                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
772                                 return value + 1;
773         }
774         return -EINVAL;
775 }
776
777 /* boolean_validate:
778  *
779  * on input validate boolean values 0/1, on output just pass the
780  * received value.
781  */
782 static int boolean_validate(const int direction, const int value)
783 {
784         if (direction == SNC_VALIDATE_IN) {
785                 if (value != 0 && value != 1)
786                         return -EINVAL;
787         }
788         return value;
789 }
790
791 /*
792  * Sysfs show/store common to all sony_nc_values
793  */
794 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
795                               char *buffer)
796 {
797         int value;
798         struct sony_nc_value *item =
799             container_of(attr, struct sony_nc_value, devattr);
800
801         if (!*item->acpiget)
802                 return -EIO;
803
804         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
805                 return -EIO;
806
807         if (item->validate)
808                 value = item->validate(SNC_VALIDATE_OUT, value);
809
810         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
811 }
812
813 static ssize_t sony_nc_sysfs_store(struct device *dev,
814                                struct device_attribute *attr,
815                                const char *buffer, size_t count)
816 {
817         int value;
818         struct sony_nc_value *item =
819             container_of(attr, struct sony_nc_value, devattr);
820
821         if (!item->acpiset)
822                 return -EIO;
823
824         if (count > 31)
825                 return -EINVAL;
826
827         value = simple_strtoul(buffer, NULL, 10);
828
829         if (item->validate)
830                 value = item->validate(SNC_VALIDATE_IN, value);
831
832         if (value < 0)
833                 return value;
834
835         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
836                 return -EIO;
837         item->value = value;
838         item->valid = 1;
839         return count;
840 }
841
842
843 /*
844  * Backlight device
845  */
846 static int sony_backlight_update_status(struct backlight_device *bd)
847 {
848         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
849                                 bd->props.brightness + 1, NULL);
850 }
851
852 static int sony_backlight_get_brightness(struct backlight_device *bd)
853 {
854         int value;
855
856         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
857                 return 0;
858         /* brightness levels are 1-based, while backlight ones are 0-based */
859         return value - 1;
860 }
861
862 static struct backlight_device *sony_backlight_device;
863 static struct backlight_ops sony_backlight_ops = {
864         .update_status = sony_backlight_update_status,
865         .get_brightness = sony_backlight_get_brightness,
866 };
867
868 /*
869  * New SNC-only Vaios event mapping to driver known keys
870  */
871 struct sony_nc_event {
872         u8      data;
873         u8      event;
874 };
875
876 static struct sony_nc_event sony_100_events[] = {
877         { 0x90, SONYPI_EVENT_PKEY_P1 },
878         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
879         { 0x91, SONYPI_EVENT_PKEY_P2 },
880         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
881         { 0x81, SONYPI_EVENT_FNKEY_F1 },
882         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
883         { 0x82, SONYPI_EVENT_FNKEY_F2 },
884         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
885         { 0x83, SONYPI_EVENT_FNKEY_F3 },
886         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
887         { 0x84, SONYPI_EVENT_FNKEY_F4 },
888         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
889         { 0x85, SONYPI_EVENT_FNKEY_F5 },
890         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
891         { 0x86, SONYPI_EVENT_FNKEY_F6 },
892         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
893         { 0x87, SONYPI_EVENT_FNKEY_F7 },
894         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
895         { 0x89, SONYPI_EVENT_FNKEY_F9 },
896         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
897         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
898         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
899         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
900         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
901         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
902         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
903         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
904         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
905         { 0, 0 },
906 };
907
908 static struct sony_nc_event sony_127_events[] = {
909         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
910         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
911         { 0x82, SONYPI_EVENT_PKEY_P1 },
912         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
913         { 0x83, SONYPI_EVENT_PKEY_P2 },
914         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
915         { 0x84, SONYPI_EVENT_PKEY_P3 },
916         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
917         { 0x85, SONYPI_EVENT_PKEY_P4 },
918         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
919         { 0x86, SONYPI_EVENT_PKEY_P5 },
920         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
921         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
922         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
923         { 0, 0 },
924 };
925
926 /*
927  * ACPI callbacks
928  */
929 static void sony_nc_notify(struct acpi_device *device, u32 event)
930 {
931         u32 ev = event;
932
933         if (ev >= 0x90) {
934                 /* New-style event */
935                 int result;
936                 int key_handle = 0;
937                 ev -= 0x90;
938
939                 if (sony_find_snc_handle(0x100) == ev)
940                         key_handle = 0x100;
941                 if (sony_find_snc_handle(0x127) == ev)
942                         key_handle = 0x127;
943
944                 if (key_handle) {
945                         struct sony_nc_event *key_event;
946
947                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
948                                 dprintk("sony_nc_notify, unable to decode"
949                                         " event 0x%.2x 0x%.2x\n", key_handle,
950                                         ev);
951                                 /* restore the original event */
952                                 ev = event;
953                         } else {
954                                 ev = result & 0xFF;
955
956                                 if (key_handle == 0x100)
957                                         key_event = sony_100_events;
958                                 else
959                                         key_event = sony_127_events;
960
961                                 for (; key_event->data; key_event++) {
962                                         if (key_event->data == ev) {
963                                                 ev = key_event->event;
964                                                 break;
965                                         }
966                                 }
967
968                                 if (!key_event->data)
969                                         printk(KERN_INFO DRV_PFX
970                                                         "Unknown event: 0x%x 0x%x\n",
971                                                         key_handle,
972                                                         ev);
973                                 else
974                                         sony_laptop_report_input_event(ev);
975                         }
976                 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
977                         sony_nc_rfkill_update();
978                         return;
979                 }
980         } else
981                 sony_laptop_report_input_event(ev);
982
983         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
984         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
985 }
986
987 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
988                                       void *context, void **return_value)
989 {
990         struct acpi_device_info *info;
991
992         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
993                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
994                         (char *)&info->name, info->param_count);
995
996                 kfree(info);
997         }
998
999         return AE_OK;
1000 }
1001
1002 /*
1003  * ACPI device
1004  */
1005 static int sony_nc_function_setup(struct acpi_device *device)
1006 {
1007         int result;
1008
1009         /* Enable all events */
1010         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1011
1012         /* Setup hotkeys */
1013         sony_call_snc_handle(0x0100, 0, &result);
1014         sony_call_snc_handle(0x0101, 0, &result);
1015         sony_call_snc_handle(0x0102, 0x100, &result);
1016         sony_call_snc_handle(0x0127, 0, &result);
1017
1018         return 0;
1019 }
1020
1021 static int sony_nc_resume(struct acpi_device *device)
1022 {
1023         struct sony_nc_value *item;
1024         acpi_handle handle;
1025
1026         for (item = sony_nc_values; item->name; item++) {
1027                 int ret;
1028
1029                 if (!item->valid)
1030                         continue;
1031                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1032                                        item->value, NULL);
1033                 if (ret < 0) {
1034                         printk("%s: %d\n", __func__, ret);
1035                         break;
1036                 }
1037         }
1038
1039         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1040                                          &handle))) {
1041                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1042                         dprintk("ECON Method failed\n");
1043         }
1044
1045         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1046                                          &handle))) {
1047                 dprintk("Doing SNC setup\n");
1048                 sony_nc_function_setup(device);
1049         }
1050
1051         /* set the last requested brightness level */
1052         if (sony_backlight_device &&
1053                         sony_backlight_update_status(sony_backlight_device) < 0)
1054                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1055
1056         /* re-read rfkill state */
1057         sony_nc_rfkill_update();
1058
1059         return 0;
1060 }
1061
1062 static void sony_nc_rfkill_cleanup(void)
1063 {
1064         int i;
1065
1066         for (i = 0; i < N_SONY_RFKILL; i++) {
1067                 if (sony_rfkill_devices[i]) {
1068                         rfkill_unregister(sony_rfkill_devices[i]);
1069                         rfkill_destroy(sony_rfkill_devices[i]);
1070                 }
1071         }
1072 }
1073
1074 static int sony_nc_rfkill_set(void *data, bool blocked)
1075 {
1076         int result;
1077         int argument = sony_rfkill_address[(long) data] + 0x100;
1078
1079         if (!blocked)
1080                 argument |= 0xff0000;
1081
1082         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1083 }
1084
1085 static const struct rfkill_ops sony_rfkill_ops = {
1086         .set_block = sony_nc_rfkill_set,
1087 };
1088
1089 static int sony_nc_setup_rfkill(struct acpi_device *device,
1090                                 enum sony_nc_rfkill nc_type)
1091 {
1092         int err = 0;
1093         struct rfkill *rfk;
1094         enum rfkill_type type;
1095         const char *name;
1096         int result;
1097         bool hwblock;
1098
1099         switch (nc_type) {
1100         case SONY_WIFI:
1101                 type = RFKILL_TYPE_WLAN;
1102                 name = "sony-wifi";
1103                 break;
1104         case SONY_BLUETOOTH:
1105                 type = RFKILL_TYPE_BLUETOOTH;
1106                 name = "sony-bluetooth";
1107                 break;
1108         case SONY_WWAN:
1109                 type = RFKILL_TYPE_WWAN;
1110                 name = "sony-wwan";
1111                 break;
1112         case SONY_WIMAX:
1113                 type = RFKILL_TYPE_WIMAX;
1114                 name = "sony-wimax";
1115                 break;
1116         default:
1117                 return -EINVAL;
1118         }
1119
1120         rfk = rfkill_alloc(name, &device->dev, type,
1121                            &sony_rfkill_ops, (void *)nc_type);
1122         if (!rfk)
1123                 return -ENOMEM;
1124
1125         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1126         hwblock = !(result & 0x1);
1127         rfkill_set_hw_state(rfk, hwblock);
1128
1129         err = rfkill_register(rfk);
1130         if (err) {
1131                 rfkill_destroy(rfk);
1132                 return err;
1133         }
1134         sony_rfkill_devices[nc_type] = rfk;
1135         return err;
1136 }
1137
1138 static void sony_nc_rfkill_update()
1139 {
1140         enum sony_nc_rfkill i;
1141         int result;
1142         bool hwblock;
1143
1144         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1145         hwblock = !(result & 0x1);
1146
1147         for (i = 0; i < N_SONY_RFKILL; i++) {
1148                 int argument = sony_rfkill_address[i];
1149
1150                 if (!sony_rfkill_devices[i])
1151                         continue;
1152
1153                 if (hwblock) {
1154                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1155                                 /* we already know we're blocked */
1156                         }
1157                         continue;
1158                 }
1159
1160                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1161                 rfkill_set_states(sony_rfkill_devices[i],
1162                                   !(result & 0xf), false);
1163         }
1164 }
1165
1166 static void sony_nc_rfkill_setup(struct acpi_device *device)
1167 {
1168         int offset;
1169         u8 dev_code, i;
1170         acpi_status status;
1171         struct acpi_object_list params;
1172         union acpi_object in_obj;
1173         union acpi_object *device_enum;
1174         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1175
1176         offset = sony_find_snc_handle(0x124);
1177         if (offset == -1) {
1178                 offset = sony_find_snc_handle(0x135);
1179                 if (offset == -1)
1180                         return;
1181                 else
1182                         sony_rfkill_handle = 0x135;
1183         } else
1184                 sony_rfkill_handle = 0x124;
1185         dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1186
1187         /* need to read the whole buffer returned by the acpi call to SN06
1188          * here otherwise we may miss some features
1189          */
1190         params.count = 1;
1191         params.pointer = &in_obj;
1192         in_obj.type = ACPI_TYPE_INTEGER;
1193         in_obj.integer.value = offset;
1194         status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1195                         &buffer);
1196         if (ACPI_FAILURE(status)) {
1197                 dprintk("Radio device enumeration failed\n");
1198                 return;
1199         }
1200
1201         device_enum = (union acpi_object *) buffer.pointer;
1202         if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) {
1203                 printk(KERN_ERR "Invalid SN06 return object 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         while ((dev_code = *(device_enum->buffer.pointer + i)) != 0xff &&
1212                         i < device_enum->buffer.length) {
1213                 i++;
1214                 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1215
1216                 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1217                         sony_nc_setup_rfkill(device, SONY_WIFI);
1218
1219                 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1220                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1221
1222                 if ((0xf0 & dev_code) == 0x20 &&
1223                                 !sony_rfkill_devices[SONY_WWAN])
1224                         sony_nc_setup_rfkill(device, SONY_WWAN);
1225
1226                 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1227                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1228         }
1229
1230 out_no_enum:
1231         kfree(buffer.pointer);
1232         return;
1233 }
1234
1235 static int sony_nc_add(struct acpi_device *device)
1236 {
1237         acpi_status status;
1238         int result = 0;
1239         acpi_handle handle;
1240         struct sony_nc_value *item;
1241
1242         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1243                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1244
1245         sony_nc_acpi_device = device;
1246         strcpy(acpi_device_class(device), "sony/hotkey");
1247
1248         sony_nc_acpi_handle = device->handle;
1249
1250         /* read device status */
1251         result = acpi_bus_get_status(device);
1252         /* bail IFF the above call was successful and the device is not present */
1253         if (!result && !device->status.present) {
1254                 dprintk("Device not present\n");
1255                 result = -ENODEV;
1256                 goto outwalk;
1257         }
1258
1259         if (debug) {
1260                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1261                                              1, sony_walk_callback, NULL, NULL, NULL);
1262                 if (ACPI_FAILURE(status)) {
1263                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1264                         result = -ENODEV;
1265                         goto outwalk;
1266                 }
1267         }
1268
1269         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1270                                          &handle))) {
1271                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1272                         dprintk("ECON Method failed\n");
1273         }
1274
1275         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1276                                          &handle))) {
1277                 dprintk("Doing SNC setup\n");
1278                 sony_nc_function_setup(device);
1279                 sony_nc_rfkill_setup(device);
1280         }
1281
1282         /* setup input devices and helper fifo */
1283         result = sony_laptop_setup_input(device);
1284         if (result) {
1285                 printk(KERN_ERR DRV_PFX
1286                                 "Unable to create input devices.\n");
1287                 goto outwalk;
1288         }
1289
1290         if (acpi_video_backlight_support()) {
1291                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1292                        "controlled by ACPI video driver\n");
1293         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1294                                                 &handle))) {
1295                 sony_backlight_device = backlight_device_register("sony", NULL,
1296                                                                   NULL,
1297                                                                   &sony_backlight_ops);
1298
1299                 if (IS_ERR(sony_backlight_device)) {
1300                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1301                         sony_backlight_device = NULL;
1302                 } else {
1303                         sony_backlight_device->props.brightness =
1304                             sony_backlight_get_brightness
1305                             (sony_backlight_device);
1306                         sony_backlight_device->props.max_brightness =
1307                             SONY_MAX_BRIGHTNESS - 1;
1308                 }
1309
1310         }
1311
1312         result = sony_pf_add();
1313         if (result)
1314                 goto outbacklight;
1315
1316         /* create sony_pf sysfs attributes related to the SNC device */
1317         for (item = sony_nc_values; item->name; ++item) {
1318
1319                 if (!debug && item->debug)
1320                         continue;
1321
1322                 /* find the available acpiget as described in the DSDT */
1323                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1324                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1325                                                          *item->acpiget,
1326                                                          &handle))) {
1327                                 dprintk("Found %s getter: %s\n",
1328                                                 item->name, *item->acpiget);
1329                                 item->devattr.attr.mode |= S_IRUGO;
1330                                 break;
1331                         }
1332                 }
1333
1334                 /* find the available acpiset as described in the DSDT */
1335                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1336                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1337                                                          *item->acpiset,
1338                                                          &handle))) {
1339                                 dprintk("Found %s setter: %s\n",
1340                                                 item->name, *item->acpiset);
1341                                 item->devattr.attr.mode |= S_IWUSR;
1342                                 break;
1343                         }
1344                 }
1345
1346                 if (item->devattr.attr.mode != 0) {
1347                         result =
1348                             device_create_file(&sony_pf_device->dev,
1349                                                &item->devattr);
1350                         if (result)
1351                                 goto out_sysfs;
1352                 }
1353         }
1354
1355         return 0;
1356
1357       out_sysfs:
1358         for (item = sony_nc_values; item->name; ++item) {
1359                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1360         }
1361         sony_pf_remove();
1362
1363       outbacklight:
1364         if (sony_backlight_device)
1365                 backlight_device_unregister(sony_backlight_device);
1366
1367         sony_laptop_remove_input();
1368
1369       outwalk:
1370         sony_nc_rfkill_cleanup();
1371         return result;
1372 }
1373
1374 static int sony_nc_remove(struct acpi_device *device, int type)
1375 {
1376         struct sony_nc_value *item;
1377
1378         if (sony_backlight_device)
1379                 backlight_device_unregister(sony_backlight_device);
1380
1381         sony_nc_acpi_device = NULL;
1382
1383         for (item = sony_nc_values; item->name; ++item) {
1384                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1385         }
1386
1387         sony_pf_remove();
1388         sony_laptop_remove_input();
1389         sony_nc_rfkill_cleanup();
1390         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1391
1392         return 0;
1393 }
1394
1395 static const struct acpi_device_id sony_device_ids[] = {
1396         {SONY_NC_HID, 0},
1397         {SONY_PIC_HID, 0},
1398         {"", 0},
1399 };
1400 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1401
1402 static const struct acpi_device_id sony_nc_device_ids[] = {
1403         {SONY_NC_HID, 0},
1404         {"", 0},
1405 };
1406
1407 static struct acpi_driver sony_nc_driver = {
1408         .name = SONY_NC_DRIVER_NAME,
1409         .class = SONY_NC_CLASS,
1410         .ids = sony_nc_device_ids,
1411         .owner = THIS_MODULE,
1412         .ops = {
1413                 .add = sony_nc_add,
1414                 .remove = sony_nc_remove,
1415                 .resume = sony_nc_resume,
1416                 .notify = sony_nc_notify,
1417                 },
1418 };
1419
1420 /*********** SPIC (SNY6001) Device ***********/
1421
1422 #define SONYPI_DEVICE_TYPE1     0x00000001
1423 #define SONYPI_DEVICE_TYPE2     0x00000002
1424 #define SONYPI_DEVICE_TYPE3     0x00000004
1425 #define SONYPI_DEVICE_TYPE4     0x00000008
1426
1427 #define SONYPI_TYPE1_OFFSET     0x04
1428 #define SONYPI_TYPE2_OFFSET     0x12
1429 #define SONYPI_TYPE3_OFFSET     0x12
1430
1431 struct sony_pic_ioport {
1432         struct acpi_resource_io io1;
1433         struct acpi_resource_io io2;
1434         struct list_head        list;
1435 };
1436
1437 struct sony_pic_irq {
1438         struct acpi_resource_irq        irq;
1439         struct list_head                list;
1440 };
1441
1442 struct sonypi_eventtypes {
1443         u8                      data;
1444         unsigned long           mask;
1445         struct sonypi_event     *events;
1446 };
1447
1448 struct sony_pic_dev {
1449         struct acpi_device              *acpi_dev;
1450         struct sony_pic_irq             *cur_irq;
1451         struct sony_pic_ioport          *cur_ioport;
1452         struct list_head                interrupts;
1453         struct list_head                ioports;
1454         struct mutex                    lock;
1455         struct sonypi_eventtypes        *event_types;
1456         int                             (*handle_irq)(const u8, const u8);
1457         int                             model;
1458         u16                             evport_offset;
1459         u8                              camera_power;
1460         u8                              bluetooth_power;
1461         u8                              wwan_power;
1462 };
1463
1464 static struct sony_pic_dev spic_dev = {
1465         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1466         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1467 };
1468
1469 static int spic_drv_registered;
1470
1471 /* Event masks */
1472 #define SONYPI_JOGGER_MASK                      0x00000001
1473 #define SONYPI_CAPTURE_MASK                     0x00000002
1474 #define SONYPI_FNKEY_MASK                       0x00000004
1475 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1476 #define SONYPI_PKEY_MASK                        0x00000010
1477 #define SONYPI_BACK_MASK                        0x00000020
1478 #define SONYPI_HELP_MASK                        0x00000040
1479 #define SONYPI_LID_MASK                         0x00000080
1480 #define SONYPI_ZOOM_MASK                        0x00000100
1481 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1482 #define SONYPI_MEYE_MASK                        0x00000400
1483 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1484 #define SONYPI_BATTERY_MASK                     0x00001000
1485 #define SONYPI_WIRELESS_MASK                    0x00002000
1486
1487 struct sonypi_event {
1488         u8      data;
1489         u8      event;
1490 };
1491
1492 /* The set of possible button release events */
1493 static struct sonypi_event sonypi_releaseev[] = {
1494         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1495         { 0, 0 }
1496 };
1497
1498 /* The set of possible jogger events  */
1499 static struct sonypi_event sonypi_joggerev[] = {
1500         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1501         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1502         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1503         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1504         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1505         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1506         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1507         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1508         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1509         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1510         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1511         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1512         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1513         { 0, 0 }
1514 };
1515
1516 /* The set of possible capture button events */
1517 static struct sonypi_event sonypi_captureev[] = {
1518         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1519         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1520         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1521         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1522         { 0, 0 }
1523 };
1524
1525 /* The set of possible fnkeys events */
1526 static struct sonypi_event sonypi_fnkeyev[] = {
1527         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1528         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1529         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1530         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1531         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1532         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1533         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1534         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1535         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1536         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1537         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1538         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1539         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1540         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1541         { 0x21, SONYPI_EVENT_FNKEY_1 },
1542         { 0x22, SONYPI_EVENT_FNKEY_2 },
1543         { 0x31, SONYPI_EVENT_FNKEY_D },
1544         { 0x32, SONYPI_EVENT_FNKEY_E },
1545         { 0x33, SONYPI_EVENT_FNKEY_F },
1546         { 0x34, SONYPI_EVENT_FNKEY_S },
1547         { 0x35, SONYPI_EVENT_FNKEY_B },
1548         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1549         { 0, 0 }
1550 };
1551
1552 /* The set of possible program key events */
1553 static struct sonypi_event sonypi_pkeyev[] = {
1554         { 0x01, SONYPI_EVENT_PKEY_P1 },
1555         { 0x02, SONYPI_EVENT_PKEY_P2 },
1556         { 0x04, SONYPI_EVENT_PKEY_P3 },
1557         { 0x20, SONYPI_EVENT_PKEY_P1 },
1558         { 0, 0 }
1559 };
1560
1561 /* The set of possible bluetooth events */
1562 static struct sonypi_event sonypi_blueev[] = {
1563         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1564         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1565         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1566         { 0, 0 }
1567 };
1568
1569 /* The set of possible wireless events */
1570 static struct sonypi_event sonypi_wlessev[] = {
1571         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1572         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1573         { 0, 0 }
1574 };
1575
1576 /* The set of possible back button events */
1577 static struct sonypi_event sonypi_backev[] = {
1578         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1579         { 0, 0 }
1580 };
1581
1582 /* The set of possible help button events */
1583 static struct sonypi_event sonypi_helpev[] = {
1584         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1585         { 0, 0 }
1586 };
1587
1588
1589 /* The set of possible lid events */
1590 static struct sonypi_event sonypi_lidev[] = {
1591         { 0x51, SONYPI_EVENT_LID_CLOSED },
1592         { 0x50, SONYPI_EVENT_LID_OPENED },
1593         { 0, 0 }
1594 };
1595
1596 /* The set of possible zoom events */
1597 static struct sonypi_event sonypi_zoomev[] = {
1598         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1599         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1600         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1601         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1602         { 0, 0 }
1603 };
1604
1605 /* The set of possible thumbphrase events */
1606 static struct sonypi_event sonypi_thumbphraseev[] = {
1607         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1608         { 0, 0 }
1609 };
1610
1611 /* The set of possible motioneye camera events */
1612 static struct sonypi_event sonypi_meyeev[] = {
1613         { 0x00, SONYPI_EVENT_MEYE_FACE },
1614         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1615         { 0, 0 }
1616 };
1617
1618 /* The set of possible memorystick events */
1619 static struct sonypi_event sonypi_memorystickev[] = {
1620         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1621         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1622         { 0, 0 }
1623 };
1624
1625 /* The set of possible battery events */
1626 static struct sonypi_event sonypi_batteryev[] = {
1627         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1628         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1629         { 0, 0 }
1630 };
1631
1632 /* The set of possible volume events */
1633 static struct sonypi_event sonypi_volumeev[] = {
1634         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1635         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1636         { 0, 0 }
1637 };
1638
1639 /* The set of possible brightness events */
1640 static struct sonypi_event sonypi_brightnessev[] = {
1641         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1642         { 0, 0 }
1643 };
1644
1645 static struct sonypi_eventtypes type1_events[] = {
1646         { 0, 0xffffffff, sonypi_releaseev },
1647         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1648         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1649         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1650         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1651         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1652         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1653         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1654         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1655         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1656         { 0 },
1657 };
1658 static struct sonypi_eventtypes type2_events[] = {
1659         { 0, 0xffffffff, sonypi_releaseev },
1660         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1661         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1662         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1663         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1664         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1665         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1666         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1667         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1668         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1669         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1670         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1671         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1672         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1673         { 0 },
1674 };
1675 static struct sonypi_eventtypes type3_events[] = {
1676         { 0, 0xffffffff, sonypi_releaseev },
1677         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1678         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1679         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1680         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1681         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1682         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1683         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1684         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1685         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1686         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1687         { 0 },
1688 };
1689
1690 /* low level spic calls */
1691 #define ITERATIONS_LONG         10000
1692 #define ITERATIONS_SHORT        10
1693 #define wait_on_command(command, iterations) {                          \
1694         unsigned int n = iterations;                                    \
1695         while (--n && (command))                                        \
1696                 udelay(1);                                              \
1697         if (!n)                                                         \
1698                 dprintk("command failed at %s : %s (line %d)\n",        \
1699                                 __FILE__, __func__, __LINE__);  \
1700 }
1701
1702 static u8 sony_pic_call1(u8 dev)
1703 {
1704         u8 v1, v2;
1705
1706         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1707                         ITERATIONS_LONG);
1708         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1709         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1710         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1711         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1712         return v2;
1713 }
1714
1715 static u8 sony_pic_call2(u8 dev, u8 fn)
1716 {
1717         u8 v1;
1718
1719         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1720                         ITERATIONS_LONG);
1721         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1722         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1723                         ITERATIONS_LONG);
1724         outb(fn, spic_dev.cur_ioport->io1.minimum);
1725         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1726         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1727         return v1;
1728 }
1729
1730 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1731 {
1732         u8 v1;
1733
1734         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1735         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1736         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1737         outb(fn, spic_dev.cur_ioport->io1.minimum);
1738         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1739         outb(v, spic_dev.cur_ioport->io1.minimum);
1740         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1741         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1742                         dev, fn, v, v1);
1743         return v1;
1744 }
1745
1746 /*
1747  * minidrivers for SPIC models
1748  */
1749 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1750 {
1751         /*
1752          * 0x31 could mean we have to take some extra action and wait for
1753          * the next irq for some Type3 models, it will generate a new
1754          * irq and we can read new data from the device:
1755          *  - 0x5c and 0x5f requires 0xA0
1756          *  - 0x61 requires 0xB3
1757          */
1758         if (data_mask == 0x31) {
1759                 if (ev == 0x5c || ev == 0x5f)
1760                         sony_pic_call1(0xA0);
1761                 else if (ev == 0x61)
1762                         sony_pic_call1(0xB3);
1763                 return 0;
1764         }
1765         return 1;
1766 }
1767
1768 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1769 {
1770         struct pci_dev *pcidev;
1771
1772         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1773                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1774         if (pcidev) {
1775                 dev->model = SONYPI_DEVICE_TYPE1;
1776                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
1777                 dev->event_types = type1_events;
1778                 goto out;
1779         }
1780
1781         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1782                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1783         if (pcidev) {
1784                 dev->model = SONYPI_DEVICE_TYPE2;
1785                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
1786                 dev->event_types = type2_events;
1787                 goto out;
1788         }
1789
1790         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1791                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1792         if (pcidev) {
1793                 dev->model = SONYPI_DEVICE_TYPE3;
1794                 dev->handle_irq = type3_handle_irq;
1795                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1796                 dev->event_types = type3_events;
1797                 goto out;
1798         }
1799
1800         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1801                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1802         if (pcidev) {
1803                 dev->model = SONYPI_DEVICE_TYPE3;
1804                 dev->handle_irq = type3_handle_irq;
1805                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1806                 dev->event_types = type3_events;
1807                 goto out;
1808         }
1809
1810         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1811                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1812         if (pcidev) {
1813                 dev->model = SONYPI_DEVICE_TYPE3;
1814                 dev->handle_irq = type3_handle_irq;
1815                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
1816                 dev->event_types = type3_events;
1817                 goto out;
1818         }
1819
1820         /* default */
1821         dev->model = SONYPI_DEVICE_TYPE2;
1822         dev->evport_offset = SONYPI_TYPE2_OFFSET;
1823         dev->event_types = type2_events;
1824
1825 out:
1826         if (pcidev)
1827                 pci_dev_put(pcidev);
1828
1829         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1830                         dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
1831                         dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1832 }
1833
1834 /* camera tests and poweron/poweroff */
1835 #define SONYPI_CAMERA_PICTURE           5
1836 #define SONYPI_CAMERA_CONTROL           0x10
1837
1838 #define SONYPI_CAMERA_BRIGHTNESS                0
1839 #define SONYPI_CAMERA_CONTRAST                  1
1840 #define SONYPI_CAMERA_HUE                       2
1841 #define SONYPI_CAMERA_COLOR                     3
1842 #define SONYPI_CAMERA_SHARPNESS                 4
1843
1844 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1845 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1846 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1847 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1848
1849 /* the rest don't need a loop until not 0xff */
1850 #define SONYPI_CAMERA_AGC                       6
1851 #define SONYPI_CAMERA_AGC_MASK                  0x30
1852 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1853
1854 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1855 #define SONYPI_CAMERA_CONTROL                   0x10
1856
1857 #define SONYPI_CAMERA_STATUS                    7
1858 #define SONYPI_CAMERA_STATUS_READY              0x2
1859 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1860
1861 #define SONYPI_DIRECTION_BACKWARDS              0x4
1862
1863 #define SONYPI_CAMERA_REVISION                  8
1864 #define SONYPI_CAMERA_ROMVERSION                9
1865
1866 static int __sony_pic_camera_ready(void)
1867 {
1868         u8 v;
1869
1870         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1871         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1872 }
1873
1874 static int __sony_pic_camera_off(void)
1875 {
1876         if (!camera) {
1877                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1878                 return -ENODEV;
1879         }
1880
1881         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1882                                 SONYPI_CAMERA_MUTE_MASK),
1883                         ITERATIONS_SHORT);
1884
1885         if (spic_dev.camera_power) {
1886                 sony_pic_call2(0x91, 0);
1887                 spic_dev.camera_power = 0;
1888         }
1889         return 0;
1890 }
1891
1892 static int __sony_pic_camera_on(void)
1893 {
1894         int i, j, x;
1895
1896         if (!camera) {
1897                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1898                 return -ENODEV;
1899         }
1900
1901         if (spic_dev.camera_power)
1902                 return 0;
1903
1904         for (j = 5; j > 0; j--) {
1905
1906                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1907                         msleep(10);
1908                 sony_pic_call1(0x93);
1909
1910                 for (i = 400; i > 0; i--) {
1911                         if (__sony_pic_camera_ready())
1912                                 break;
1913                         msleep(10);
1914                 }
1915                 if (i)
1916                         break;
1917         }
1918
1919         if (j == 0) {
1920                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1921                 return -ENODEV;
1922         }
1923
1924         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1925                                 0x5a),
1926                         ITERATIONS_SHORT);
1927
1928         spic_dev.camera_power = 1;
1929         return 0;
1930 }
1931
1932 /* External camera command (exported to the motion eye v4l driver) */
1933 int sony_pic_camera_command(int command, u8 value)
1934 {
1935         if (!camera)
1936                 return -EIO;
1937
1938         mutex_lock(&spic_dev.lock);
1939
1940         switch (command) {
1941         case SONY_PIC_COMMAND_SETCAMERA:
1942                 if (value)
1943                         __sony_pic_camera_on();
1944                 else
1945                         __sony_pic_camera_off();
1946                 break;
1947         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1948                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1949                                 ITERATIONS_SHORT);
1950                 break;
1951         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1952                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1953                                 ITERATIONS_SHORT);
1954                 break;
1955         case SONY_PIC_COMMAND_SETCAMERAHUE:
1956                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1957                                 ITERATIONS_SHORT);
1958                 break;
1959         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1960                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1961                                 ITERATIONS_SHORT);
1962                 break;
1963         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1964                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1965                                 ITERATIONS_SHORT);
1966                 break;
1967         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1968                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1969                                 ITERATIONS_SHORT);
1970                 break;
1971         case SONY_PIC_COMMAND_SETCAMERAAGC:
1972                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1973                                 ITERATIONS_SHORT);
1974                 break;
1975         default:
1976                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1977                        command);
1978                 break;
1979         }
1980         mutex_unlock(&spic_dev.lock);
1981         return 0;
1982 }
1983 EXPORT_SYMBOL(sony_pic_camera_command);
1984
1985 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1986 static void __sony_pic_set_wwanpower(u8 state)
1987 {
1988         state = !!state;
1989         if (spic_dev.wwan_power == state)
1990                 return;
1991         sony_pic_call2(0xB0, state);
1992         sony_pic_call1(0x82);
1993         spic_dev.wwan_power = state;
1994 }
1995
1996 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1997                 struct device_attribute *attr,
1998                 const char *buffer, size_t count)
1999 {
2000         unsigned long value;
2001         if (count > 31)
2002                 return -EINVAL;
2003
2004         value = simple_strtoul(buffer, NULL, 10);
2005         mutex_lock(&spic_dev.lock);
2006         __sony_pic_set_wwanpower(value);
2007         mutex_unlock(&spic_dev.lock);
2008
2009         return count;
2010 }
2011
2012 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2013                 struct device_attribute *attr, char *buffer)
2014 {
2015         ssize_t count;
2016         mutex_lock(&spic_dev.lock);
2017         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2018         mutex_unlock(&spic_dev.lock);
2019         return count;
2020 }
2021
2022 /* bluetooth subsystem power state */
2023 static void __sony_pic_set_bluetoothpower(u8 state)
2024 {
2025         state = !!state;
2026         if (spic_dev.bluetooth_power == state)
2027                 return;
2028         sony_pic_call2(0x96, state);
2029         sony_pic_call1(0x82);
2030         spic_dev.bluetooth_power = state;
2031 }
2032
2033 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2034                 struct device_attribute *attr,
2035                 const char *buffer, size_t count)
2036 {
2037         unsigned long value;
2038         if (count > 31)
2039                 return -EINVAL;
2040
2041         value = simple_strtoul(buffer, NULL, 10);
2042         mutex_lock(&spic_dev.lock);
2043         __sony_pic_set_bluetoothpower(value);
2044         mutex_unlock(&spic_dev.lock);
2045
2046         return count;
2047 }
2048
2049 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2050                 struct device_attribute *attr, char *buffer)
2051 {
2052         ssize_t count = 0;
2053         mutex_lock(&spic_dev.lock);
2054         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2055         mutex_unlock(&spic_dev.lock);
2056         return count;
2057 }
2058
2059 /* fan speed */
2060 /* FAN0 information (reverse engineered from ACPI tables) */
2061 #define SONY_PIC_FAN0_STATUS    0x93
2062 static int sony_pic_set_fanspeed(unsigned long value)
2063 {
2064         return ec_write(SONY_PIC_FAN0_STATUS, value);
2065 }
2066
2067 static int sony_pic_get_fanspeed(u8 *value)
2068 {
2069         return ec_read(SONY_PIC_FAN0_STATUS, value);
2070 }
2071
2072 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2073                 struct device_attribute *attr,
2074                 const char *buffer, size_t count)
2075 {
2076         unsigned long value;
2077         if (count > 31)
2078                 return -EINVAL;
2079
2080         value = simple_strtoul(buffer, NULL, 10);
2081         if (sony_pic_set_fanspeed(value))
2082                 return -EIO;
2083
2084         return count;
2085 }
2086
2087 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2088                 struct device_attribute *attr, char *buffer)
2089 {
2090         u8 value = 0;
2091         if (sony_pic_get_fanspeed(&value))
2092                 return -EIO;
2093
2094         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2095 }
2096
2097 #define SPIC_ATTR(_name, _mode)                                 \
2098 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2099                 _mode, sony_pic_## _name ##_show,               \
2100                 sony_pic_## _name ##_store)
2101
2102 static SPIC_ATTR(bluetoothpower, 0644);
2103 static SPIC_ATTR(wwanpower, 0644);
2104 static SPIC_ATTR(fanspeed, 0644);
2105
2106 static struct attribute *spic_attributes[] = {
2107         &spic_attr_bluetoothpower.attr,
2108         &spic_attr_wwanpower.attr,
2109         &spic_attr_fanspeed.attr,
2110         NULL
2111 };
2112
2113 static struct attribute_group spic_attribute_group = {
2114         .attrs = spic_attributes
2115 };
2116
2117 /******** SONYPI compatibility **********/
2118 #ifdef CONFIG_SONYPI_COMPAT
2119
2120 /* battery / brightness / temperature  addresses */
2121 #define SONYPI_BAT_FLAGS        0x81
2122 #define SONYPI_LCD_LIGHT        0x96
2123 #define SONYPI_BAT1_PCTRM       0xa0
2124 #define SONYPI_BAT1_LEFT        0xa2
2125 #define SONYPI_BAT1_MAXRT       0xa4
2126 #define SONYPI_BAT2_PCTRM       0xa8
2127 #define SONYPI_BAT2_LEFT        0xaa
2128 #define SONYPI_BAT2_MAXRT       0xac
2129 #define SONYPI_BAT1_MAXTK       0xb0
2130 #define SONYPI_BAT1_FULL        0xb2
2131 #define SONYPI_BAT2_MAXTK       0xb8
2132 #define SONYPI_BAT2_FULL        0xba
2133 #define SONYPI_TEMP_STATUS      0xC1
2134
2135 struct sonypi_compat_s {
2136         struct fasync_struct    *fifo_async;
2137         struct kfifo            fifo;
2138         spinlock_t              fifo_lock;
2139         wait_queue_head_t       fifo_proc_list;
2140         atomic_t                open_count;
2141 };
2142 static struct sonypi_compat_s sonypi_compat = {
2143         .open_count = ATOMIC_INIT(0),
2144 };
2145
2146 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2147 {
2148         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2149 }
2150
2151 static int sonypi_misc_release(struct inode *inode, struct file *file)
2152 {
2153         atomic_dec(&sonypi_compat.open_count);
2154         return 0;
2155 }
2156
2157 static int sonypi_misc_open(struct inode *inode, struct file *file)
2158 {
2159         /* Flush input queue on first open */
2160         unsigned long flags;
2161
2162         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2163
2164         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2165                 kfifo_reset(&sonypi_compat.fifo);
2166
2167         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2168
2169         return 0;
2170 }
2171
2172 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2173                                 size_t count, loff_t *pos)
2174 {
2175         ssize_t ret;
2176         unsigned char c;
2177
2178         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2179             (file->f_flags & O_NONBLOCK))
2180                 return -EAGAIN;
2181
2182         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2183                                        kfifo_len(&sonypi_compat.fifo) != 0);
2184         if (ret)
2185                 return ret;
2186
2187         while (ret < count &&
2188                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2189                           &sonypi_compat.fifo_lock) == sizeof(c))) {
2190                 if (put_user(c, buf++))
2191                         return -EFAULT;
2192                 ret++;
2193         }
2194
2195         if (ret > 0) {
2196                 struct inode *inode = file->f_path.dentry->d_inode;
2197                 inode->i_atime = current_fs_time(inode->i_sb);
2198         }
2199
2200         return ret;
2201 }
2202
2203 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2204 {
2205         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2206         if (kfifo_len(&sonypi_compat.fifo))
2207                 return POLLIN | POLLRDNORM;
2208         return 0;
2209 }
2210
2211 static int ec_read16(u8 addr, u16 *value)
2212 {
2213         u8 val_lb, val_hb;
2214         if (ec_read(addr, &val_lb))
2215                 return -1;
2216         if (ec_read(addr + 1, &val_hb))
2217                 return -1;
2218         *value = val_lb | (val_hb << 8);
2219         return 0;
2220 }
2221
2222 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2223                                                         unsigned long arg)
2224 {
2225         int ret = 0;
2226         void __user *argp = (void __user *)arg;
2227         u8 val8;
2228         u16 val16;
2229         int value;
2230
2231         mutex_lock(&spic_dev.lock);
2232         switch (cmd) {
2233         case SONYPI_IOCGBRT:
2234                 if (sony_backlight_device == NULL) {
2235                         ret = -EIO;
2236                         break;
2237                 }
2238                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2239                         ret = -EIO;
2240                         break;
2241                 }
2242                 val8 = ((value & 0xff) - 1) << 5;
2243                 if (copy_to_user(argp, &val8, sizeof(val8)))
2244                                 ret = -EFAULT;
2245                 break;
2246         case SONYPI_IOCSBRT:
2247                 if (sony_backlight_device == NULL) {
2248                         ret = -EIO;
2249                         break;
2250                 }
2251                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2252                         ret = -EFAULT;
2253                         break;
2254                 }
2255                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2256                                 (val8 >> 5) + 1, NULL)) {
2257                         ret = -EIO;
2258                         break;
2259                 }
2260                 /* sync the backlight device status */
2261                 sony_backlight_device->props.brightness =
2262                     sony_backlight_get_brightness(sony_backlight_device);
2263                 break;
2264         case SONYPI_IOCGBAT1CAP:
2265                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2266                         ret = -EIO;
2267                         break;
2268                 }
2269                 if (copy_to_user(argp, &val16, sizeof(val16)))
2270                         ret = -EFAULT;
2271                 break;
2272         case SONYPI_IOCGBAT1REM:
2273                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2274                         ret = -EIO;
2275                         break;
2276                 }
2277                 if (copy_to_user(argp, &val16, sizeof(val16)))
2278                         ret = -EFAULT;
2279                 break;
2280         case SONYPI_IOCGBAT2CAP:
2281                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2282                         ret = -EIO;
2283                         break;
2284                 }
2285                 if (copy_to_user(argp, &val16, sizeof(val16)))
2286                         ret = -EFAULT;
2287                 break;
2288         case SONYPI_IOCGBAT2REM:
2289                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2290                         ret = -EIO;
2291                         break;
2292                 }
2293                 if (copy_to_user(argp, &val16, sizeof(val16)))
2294                         ret = -EFAULT;
2295                 break;
2296         case SONYPI_IOCGBATFLAGS:
2297                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2298                         ret = -EIO;
2299                         break;
2300                 }
2301                 val8 &= 0x07;
2302                 if (copy_to_user(argp, &val8, sizeof(val8)))
2303                         ret = -EFAULT;
2304                 break;
2305         case SONYPI_IOCGBLUE:
2306                 val8 = spic_dev.bluetooth_power;
2307                 if (copy_to_user(argp, &val8, sizeof(val8)))
2308                         ret = -EFAULT;
2309                 break;
2310         case SONYPI_IOCSBLUE:
2311                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2312                         ret = -EFAULT;
2313                         break;
2314                 }
2315                 __sony_pic_set_bluetoothpower(val8);
2316                 break;
2317         /* FAN Controls */
2318         case SONYPI_IOCGFAN:
2319                 if (sony_pic_get_fanspeed(&val8)) {
2320                         ret = -EIO;
2321                         break;
2322                 }
2323                 if (copy_to_user(argp, &val8, sizeof(val8)))
2324                         ret = -EFAULT;
2325                 break;
2326         case SONYPI_IOCSFAN:
2327                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2328                         ret = -EFAULT;
2329                         break;
2330                 }
2331                 if (sony_pic_set_fanspeed(val8))
2332                         ret = -EIO;
2333                 break;
2334         /* GET Temperature (useful under APM) */
2335         case SONYPI_IOCGTEMP:
2336                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2337                         ret = -EIO;
2338                         break;
2339                 }
2340                 if (copy_to_user(argp, &val8, sizeof(val8)))
2341                         ret = -EFAULT;
2342                 break;
2343         default:
2344                 ret = -EINVAL;
2345         }
2346         mutex_unlock(&spic_dev.lock);
2347         return ret;
2348 }
2349
2350 static const struct file_operations sonypi_misc_fops = {
2351         .owner          = THIS_MODULE,
2352         .read           = sonypi_misc_read,
2353         .poll           = sonypi_misc_poll,
2354         .open           = sonypi_misc_open,
2355         .release        = sonypi_misc_release,
2356         .fasync         = sonypi_misc_fasync,
2357         .unlocked_ioctl = sonypi_misc_ioctl,
2358 };
2359
2360 static struct miscdevice sonypi_misc_device = {
2361         .minor          = MISC_DYNAMIC_MINOR,
2362         .name           = "sonypi",
2363         .fops           = &sonypi_misc_fops,
2364 };
2365
2366 static void sonypi_compat_report_event(u8 event)
2367 {
2368         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2369                         sizeof(event), &sonypi_compat.fifo_lock);
2370         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2371         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2372 }
2373
2374 static int sonypi_compat_init(void)
2375 {
2376         int error;
2377
2378         spin_lock_init(&sonypi_compat.fifo_lock);
2379         error =
2380          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2381         if (error) {
2382                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2383                 return error;
2384         }
2385
2386         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2387
2388         if (minor != -1)
2389                 sonypi_misc_device.minor = minor;
2390         error = misc_register(&sonypi_misc_device);
2391         if (error) {
2392                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2393                 goto err_free_kfifo;
2394         }
2395         if (minor == -1)
2396                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2397                        sonypi_misc_device.minor);
2398
2399         return 0;
2400
2401 err_free_kfifo:
2402         kfifo_free(&sonypi_compat.fifo);
2403         return error;
2404 }
2405
2406 static void sonypi_compat_exit(void)
2407 {
2408         misc_deregister(&sonypi_misc_device);
2409         kfifo_free(&sonypi_compat.fifo);
2410 }
2411 #else
2412 static int sonypi_compat_init(void) { return 0; }
2413 static void sonypi_compat_exit(void) { }
2414 static void sonypi_compat_report_event(u8 event) { }
2415 #endif /* CONFIG_SONYPI_COMPAT */
2416
2417 /*
2418  * ACPI callbacks
2419  */
2420 static acpi_status
2421 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2422 {
2423         u32 i;
2424         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2425
2426         switch (resource->type) {
2427         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2428                 {
2429                         /* start IO enumeration */
2430                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2431                         if (!ioport)
2432                                 return AE_ERROR;
2433
2434                         list_add(&ioport->list, &dev->ioports);
2435                         return AE_OK;
2436                 }
2437
2438         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2439                 /* end IO enumeration */
2440                 return AE_OK;
2441
2442         case ACPI_RESOURCE_TYPE_IRQ:
2443                 {
2444                         struct acpi_resource_irq *p = &resource->data.irq;
2445                         struct sony_pic_irq *interrupt = NULL;
2446                         if (!p || !p->interrupt_count) {
2447                                 /*
2448                                  * IRQ descriptors may have no IRQ# bits set,
2449                                  * particularly those those w/ _STA disabled
2450                                  */
2451                                 dprintk("Blank IRQ resource\n");
2452                                 return AE_OK;
2453                         }
2454                         for (i = 0; i < p->interrupt_count; i++) {
2455                                 if (!p->interrupts[i]) {
2456                                         printk(KERN_WARNING DRV_PFX
2457                                                         "Invalid IRQ %d\n",
2458                                                         p->interrupts[i]);
2459                                         continue;
2460                                 }
2461                                 interrupt = kzalloc(sizeof(*interrupt),
2462                                                 GFP_KERNEL);
2463                                 if (!interrupt)
2464                                         return AE_ERROR;
2465
2466                                 list_add(&interrupt->list, &dev->interrupts);
2467                                 interrupt->irq.triggering = p->triggering;
2468                                 interrupt->irq.polarity = p->polarity;
2469                                 interrupt->irq.sharable = p->sharable;
2470                                 interrupt->irq.interrupt_count = 1;
2471                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2472                         }
2473                         return AE_OK;
2474                 }
2475         case ACPI_RESOURCE_TYPE_IO:
2476                 {
2477                         struct acpi_resource_io *io = &resource->data.io;
2478                         struct sony_pic_ioport *ioport =
2479                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2480                         if (!io) {
2481                                 dprintk("Blank IO resource\n");
2482                                 return AE_OK;
2483                         }
2484
2485                         if (!ioport->io1.minimum) {
2486                                 memcpy(&ioport->io1, io, sizeof(*io));
2487                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2488                                                 ioport->io1.address_length);
2489                         }
2490                         else if (!ioport->io2.minimum) {
2491                                 memcpy(&ioport->io2, io, sizeof(*io));
2492                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2493                                                 ioport->io2.address_length);
2494                         }
2495                         else {
2496                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2497                                 return AE_ERROR;
2498                         }
2499                         return AE_OK;
2500                 }
2501         default:
2502                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2503                                 resource->type);
2504
2505         case ACPI_RESOURCE_TYPE_END_TAG:
2506                 return AE_OK;
2507         }
2508         return AE_CTRL_TERMINATE;
2509 }
2510
2511 static int sony_pic_possible_resources(struct acpi_device *device)
2512 {
2513         int result = 0;
2514         acpi_status status = AE_OK;
2515
2516         if (!device)
2517                 return -EINVAL;
2518
2519         /* get device status */
2520         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2521         dprintk("Evaluating _STA\n");
2522         result = acpi_bus_get_status(device);
2523         if (result) {
2524                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2525                 goto end;
2526         }
2527
2528         if (!device->status.enabled)
2529                 dprintk("Device disabled\n");
2530         else
2531                 dprintk("Device enabled\n");
2532
2533         /*
2534          * Query and parse 'method'
2535          */
2536         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2537         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2538                         sony_pic_read_possible_resource, &spic_dev);
2539         if (ACPI_FAILURE(status)) {
2540                 printk(KERN_WARNING DRV_PFX
2541                                 "Failure evaluating %s\n",
2542                                 METHOD_NAME__PRS);
2543                 result = -ENODEV;
2544         }
2545 end:
2546         return result;
2547 }
2548
2549 /*
2550  *  Disable the spic device by calling its _DIS method
2551  */
2552 static int sony_pic_disable(struct acpi_device *device)
2553 {
2554         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2555                                                NULL);
2556
2557         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2558                 return -ENXIO;
2559
2560         dprintk("Device disabled\n");
2561         return 0;
2562 }
2563
2564
2565 /*
2566  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2567  *
2568  *  Call _SRS to set current resources
2569  */
2570 static int sony_pic_enable(struct acpi_device *device,
2571                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2572 {
2573         acpi_status status;
2574         int result = 0;
2575         /* Type 1 resource layout is:
2576          *    IO
2577          *    IO
2578          *    IRQNoFlags
2579          *    End
2580          *
2581          * Type 2 and 3 resource layout is:
2582          *    IO
2583          *    IRQNoFlags
2584          *    End
2585          */
2586         struct {
2587                 struct acpi_resource res1;
2588                 struct acpi_resource res2;
2589                 struct acpi_resource res3;
2590                 struct acpi_resource res4;
2591         } *resource;
2592         struct acpi_buffer buffer = { 0, NULL };
2593
2594         if (!ioport || !irq)
2595                 return -EINVAL;
2596
2597         /* init acpi_buffer */
2598         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2599         if (!resource)
2600                 return -ENOMEM;
2601
2602         buffer.length = sizeof(*resource) + 1;
2603         buffer.pointer = resource;
2604
2605         /* setup Type 1 resources */
2606         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2607
2608                 /* setup io resources */
2609                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2610                 resource->res1.length = sizeof(struct acpi_resource);
2611                 memcpy(&resource->res1.data.io, &ioport->io1,
2612                                 sizeof(struct acpi_resource_io));
2613
2614                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2615                 resource->res2.length = sizeof(struct acpi_resource);
2616                 memcpy(&resource->res2.data.io, &ioport->io2,
2617                                 sizeof(struct acpi_resource_io));
2618
2619                 /* setup irq resource */
2620                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2621                 resource->res3.length = sizeof(struct acpi_resource);
2622                 memcpy(&resource->res3.data.irq, &irq->irq,
2623                                 sizeof(struct acpi_resource_irq));
2624                 /* we requested a shared irq */
2625                 resource->res3.data.irq.sharable = ACPI_SHARED;
2626
2627                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2628
2629         }
2630         /* setup Type 2/3 resources */
2631         else {
2632                 /* setup io resource */
2633                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2634                 resource->res1.length = sizeof(struct acpi_resource);
2635                 memcpy(&resource->res1.data.io, &ioport->io1,
2636                                 sizeof(struct acpi_resource_io));
2637
2638                 /* setup irq resource */
2639                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2640                 resource->res2.length = sizeof(struct acpi_resource);
2641                 memcpy(&resource->res2.data.irq, &irq->irq,
2642                                 sizeof(struct acpi_resource_irq));
2643                 /* we requested a shared irq */
2644                 resource->res2.data.irq.sharable = ACPI_SHARED;
2645
2646                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2647         }
2648
2649         /* Attempt to set the resource */
2650         dprintk("Evaluating _SRS\n");
2651         status = acpi_set_current_resources(device->handle, &buffer);
2652
2653         /* check for total failure */
2654         if (ACPI_FAILURE(status)) {
2655                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2656                 result = -ENODEV;
2657                 goto end;
2658         }
2659
2660         /* Necessary device initializations calls (from sonypi) */
2661         sony_pic_call1(0x82);
2662         sony_pic_call2(0x81, 0xff);
2663         sony_pic_call1(compat ? 0x92 : 0x82);
2664
2665 end:
2666         kfree(resource);
2667         return result;
2668 }
2669
2670 /*****************
2671  *
2672  * ISR: some event is available
2673  *
2674  *****************/
2675 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2676 {
2677         int i, j;
2678         u8 ev = 0;
2679         u8 data_mask = 0;
2680         u8 device_event = 0;
2681
2682         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2683
2684         ev = inb_p(dev->cur_ioport->io1.minimum);
2685         if (dev->cur_ioport->io2.minimum)
2686                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2687         else
2688                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2689                                 dev->evport_offset);
2690
2691         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2692                         ev, data_mask, dev->cur_ioport->io1.minimum,
2693                         dev->evport_offset);
2694
2695         if (ev == 0x00 || ev == 0xff)
2696                 return IRQ_HANDLED;
2697
2698         for (i = 0; dev->event_types[i].mask; i++) {
2699
2700                 if ((data_mask & dev->event_types[i].data) !=
2701                     dev->event_types[i].data)
2702                         continue;
2703
2704                 if (!(mask & dev->event_types[i].mask))
2705                         continue;
2706
2707                 for (j = 0; dev->event_types[i].events[j].event; j++) {
2708                         if (ev == dev->event_types[i].events[j].data) {
2709                                 device_event =
2710                                         dev->event_types[i].events[j].event;
2711                                 goto found;
2712                         }
2713                 }
2714         }
2715         /* Still not able to decode the event try to pass
2716          * it over to the minidriver
2717          */
2718         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2719                 return IRQ_HANDLED;
2720
2721         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2722                         ev, data_mask, dev->cur_ioport->io1.minimum,
2723                         dev->evport_offset);
2724         return IRQ_HANDLED;
2725
2726 found:
2727         sony_laptop_report_input_event(device_event);
2728         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2729         sonypi_compat_report_event(device_event);
2730
2731         return IRQ_HANDLED;
2732 }
2733
2734 /*****************
2735  *
2736  *  ACPI driver
2737  *
2738  *****************/
2739 static int sony_pic_remove(struct acpi_device *device, int type)
2740 {
2741         struct sony_pic_ioport *io, *tmp_io;
2742         struct sony_pic_irq *irq, *tmp_irq;
2743
2744         if (sony_pic_disable(device)) {
2745                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2746                 return -ENXIO;
2747         }
2748
2749         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2750         release_region(spic_dev.cur_ioport->io1.minimum,
2751                         spic_dev.cur_ioport->io1.address_length);
2752         if (spic_dev.cur_ioport->io2.minimum)
2753                 release_region(spic_dev.cur_ioport->io2.minimum,
2754                                 spic_dev.cur_ioport->io2.address_length);
2755
2756         sonypi_compat_exit();
2757
2758         sony_laptop_remove_input();
2759
2760         /* pf attrs */
2761         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2762         sony_pf_remove();
2763
2764         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2765                 list_del(&io->list);
2766                 kfree(io);
2767         }
2768         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2769                 list_del(&irq->list);
2770                 kfree(irq);
2771         }
2772         spic_dev.cur_ioport = NULL;
2773         spic_dev.cur_irq = NULL;
2774
2775         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2776         return 0;
2777 }
2778
2779 static int sony_pic_add(struct acpi_device *device)
2780 {
2781         int result;
2782         struct sony_pic_ioport *io, *tmp_io;
2783         struct sony_pic_irq *irq, *tmp_irq;
2784
2785         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2786                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2787
2788         spic_dev.acpi_dev = device;
2789         strcpy(acpi_device_class(device), "sony/hotkey");
2790         sony_pic_detect_device_type(&spic_dev);
2791         mutex_init(&spic_dev.lock);
2792
2793         /* read _PRS resources */
2794         result = sony_pic_possible_resources(device);
2795         if (result) {
2796                 printk(KERN_ERR DRV_PFX
2797                                 "Unable to read possible resources.\n");
2798                 goto err_free_resources;
2799         }
2800
2801         /* setup input devices and helper fifo */
2802         result = sony_laptop_setup_input(device);
2803         if (result) {
2804                 printk(KERN_ERR DRV_PFX
2805                                 "Unable to create input devices.\n");
2806                 goto err_free_resources;
2807         }
2808
2809         if (sonypi_compat_init())
2810                 goto err_remove_input;
2811
2812         /* request io port */
2813         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2814                 if (request_region(io->io1.minimum, io->io1.address_length,
2815                                         "Sony Programable I/O Device")) {
2816                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2817                                         io->io1.minimum, io->io1.maximum,
2818                                         io->io1.address_length);
2819                         /* Type 1 have 2 ioports */
2820                         if (io->io2.minimum) {
2821                                 if (request_region(io->io2.minimum,
2822                                                 io->io2.address_length,
2823                                                 "Sony Programable I/O Device")) {
2824                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2825                                                         io->io2.minimum, io->io2.maximum,
2826                                                         io->io2.address_length);
2827                                         spic_dev.cur_ioport = io;
2828                                         break;
2829                                 }
2830                                 else {
2831                                         dprintk("Unable to get I/O port2: "
2832                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2833                                                         io->io2.minimum, io->io2.maximum,
2834                                                         io->io2.address_length);
2835                                         release_region(io->io1.minimum,
2836                                                         io->io1.address_length);
2837                                 }
2838                         }
2839                         else {
2840                                 spic_dev.cur_ioport = io;
2841                                 break;
2842                         }
2843                 }
2844         }
2845         if (!spic_dev.cur_ioport) {
2846                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2847                 result = -ENODEV;
2848                 goto err_remove_compat;
2849         }
2850
2851         /* request IRQ */
2852         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2853                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2854                                         IRQF_DISABLED, "sony-laptop", &spic_dev)) {
2855                         dprintk("IRQ: %d - triggering: %d - "
2856                                         "polarity: %d - shr: %d\n",
2857                                         irq->irq.interrupts[0],
2858                                         irq->irq.triggering,
2859                                         irq->irq.polarity,
2860                                         irq->irq.sharable);
2861                         spic_dev.cur_irq = irq;
2862                         break;
2863                 }
2864         }
2865         if (!spic_dev.cur_irq) {
2866                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2867                 result = -ENODEV;
2868                 goto err_release_region;
2869         }
2870
2871         /* set resource status _SRS */
2872         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2873         if (result) {
2874                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2875                 goto err_free_irq;
2876         }
2877
2878         spic_dev.bluetooth_power = -1;
2879         /* create device attributes */
2880         result = sony_pf_add();
2881         if (result)
2882                 goto err_disable_device;
2883
2884         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2885         if (result)
2886                 goto err_remove_pf;
2887
2888         return 0;
2889
2890 err_remove_pf:
2891         sony_pf_remove();
2892
2893 err_disable_device:
2894         sony_pic_disable(device);
2895
2896 err_free_irq:
2897         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2898
2899 err_release_region:
2900         release_region(spic_dev.cur_ioport->io1.minimum,
2901                         spic_dev.cur_ioport->io1.address_length);
2902         if (spic_dev.cur_ioport->io2.minimum)
2903                 release_region(spic_dev.cur_ioport->io2.minimum,
2904                                 spic_dev.cur_ioport->io2.address_length);
2905
2906 err_remove_compat:
2907         sonypi_compat_exit();
2908
2909 err_remove_input:
2910         sony_laptop_remove_input();
2911
2912 err_free_resources:
2913         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2914                 list_del(&io->list);
2915                 kfree(io);
2916         }
2917         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2918                 list_del(&irq->list);
2919                 kfree(irq);
2920         }
2921         spic_dev.cur_ioport = NULL;
2922         spic_dev.cur_irq = NULL;
2923
2924         return result;
2925 }
2926
2927 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2928 {
2929         if (sony_pic_disable(device))
2930                 return -ENXIO;
2931         return 0;
2932 }
2933
2934 static int sony_pic_resume(struct acpi_device *device)
2935 {
2936         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2937         return 0;
2938 }
2939
2940 static const struct acpi_device_id sony_pic_device_ids[] = {
2941         {SONY_PIC_HID, 0},
2942         {"", 0},
2943 };
2944
2945 static struct acpi_driver sony_pic_driver = {
2946         .name = SONY_PIC_DRIVER_NAME,
2947         .class = SONY_PIC_CLASS,
2948         .ids = sony_pic_device_ids,
2949         .owner = THIS_MODULE,
2950         .ops = {
2951                 .add = sony_pic_add,
2952                 .remove = sony_pic_remove,
2953                 .suspend = sony_pic_suspend,
2954                 .resume = sony_pic_resume,
2955                 },
2956 };
2957
2958 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2959         {
2960                 .ident = "Sony Vaio",
2961                 .matches = {
2962                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2963                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2964                 },
2965         },
2966         {
2967                 .ident = "Sony Vaio",
2968                 .matches = {
2969                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2970                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2971                 },
2972         },
2973         { }
2974 };
2975
2976 static int __init sony_laptop_init(void)
2977 {
2978         int result;
2979
2980         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2981                 result = acpi_bus_register_driver(&sony_pic_driver);
2982                 if (result) {
2983                         printk(KERN_ERR DRV_PFX
2984                                         "Unable to register SPIC driver.");
2985                         goto out;
2986                 }
2987                 spic_drv_registered = 1;
2988         }
2989
2990         result = acpi_bus_register_driver(&sony_nc_driver);
2991         if (result) {
2992                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2993                 goto out_unregister_pic;
2994         }
2995
2996         return 0;
2997
2998 out_unregister_pic:
2999         if (spic_drv_registered)
3000                 acpi_bus_unregister_driver(&sony_pic_driver);
3001 out:
3002         return result;
3003 }
3004
3005 static void __exit sony_laptop_exit(void)
3006 {
3007         acpi_bus_unregister_driver(&sony_nc_driver);
3008         if (spic_drv_registered)
3009                 acpi_bus_unregister_driver(&sony_pic_driver);
3010 }
3011
3012 module_init(sony_laptop_init);
3013 module_exit(sony_laptop_exit);