sony-laptop: Add support for extended hotkeys
[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 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/smp_lock.h>
50 #include <linux/types.h>
51 #include <linux/backlight.h>
52 #include <linux/platform_device.h>
53 #include <linux/err.h>
54 #include <linux/dmi.h>
55 #include <linux/pci.h>
56 #include <linux/interrupt.h>
57 #include <linux/delay.h>
58 #include <linux/input.h>
59 #include <linux/kfifo.h>
60 #include <linux/workqueue.h>
61 #include <linux/acpi.h>
62 #include <acpi/acpi_drivers.h>
63 #include <acpi/acpi_bus.h>
64 #include <asm/uaccess.h>
65 #include <linux/sonypi.h>
66 #include <linux/sony-laptop.h>
67 #include <linux/rfkill.h>
68 #ifdef CONFIG_SONYPI_COMPAT
69 #include <linux/poll.h>
70 #include <linux/miscdevice.h>
71 #endif
72
73 #define DRV_PFX                 "sony-laptop: "
74 #define dprintk(msg...)         do {                    \
75         if (debug) printk(KERN_WARNING DRV_PFX  msg);   \
76 } while (0)
77
78 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
79
80 #define SONY_NC_CLASS           "sony-nc"
81 #define SONY_NC_HID             "SNY5001"
82 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
83
84 #define SONY_PIC_CLASS          "sony-pic"
85 #define SONY_PIC_HID            "SNY6001"
86 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
87
88 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
89 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
90 MODULE_LICENSE("GPL");
91 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
92
93 static int debug;
94 module_param(debug, int, 0);
95 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
96                  "the development of this driver");
97
98 static int no_spic;             /* = 0 */
99 module_param(no_spic, int, 0444);
100 MODULE_PARM_DESC(no_spic,
101                  "set this if you don't want to enable the SPIC device");
102
103 static int compat;              /* = 0 */
104 module_param(compat, int, 0444);
105 MODULE_PARM_DESC(compat,
106                  "set this if you want to enable backward compatibility mode");
107
108 static unsigned long mask = 0xffffffff;
109 module_param(mask, ulong, 0644);
110 MODULE_PARM_DESC(mask,
111                  "set this to the mask of event you want to enable (see doc)");
112
113 static int camera;              /* = 0 */
114 module_param(camera, int, 0444);
115 MODULE_PARM_DESC(camera,
116                  "set this to 1 to enable Motion Eye camera controls "
117                  "(only use it if you have a C1VE or C1VN model)");
118
119 #ifdef CONFIG_SONYPI_COMPAT
120 static int minor = -1;
121 module_param(minor, int, 0);
122 MODULE_PARM_DESC(minor,
123                  "minor number of the misc device for the SPIC compatibility code, "
124                  "default is -1 (automatic)");
125 #endif
126
127 enum sony_nc_rfkill {
128         SONY_WIFI,
129         SONY_BLUETOOTH,
130         SONY_WWAN,
131         SONY_WIMAX,
132         SONY_RFKILL_MAX,
133 };
134
135 static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
136 static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
137 static void sony_nc_rfkill_update(void);
138
139 /*********** Input Devices ***********/
140
141 #define SONY_LAPTOP_BUF_SIZE    128
142 struct sony_laptop_input_s {
143         atomic_t                users;
144         struct input_dev        *jog_dev;
145         struct input_dev        *key_dev;
146         struct kfifo            *fifo;
147         spinlock_t              fifo_lock;
148         struct workqueue_struct *wq;
149 };
150
151 static struct sony_laptop_input_s sony_laptop_input = {
152         .users = ATOMIC_INIT(0),
153 };
154
155 struct sony_laptop_keypress {
156         struct input_dev *dev;
157         int key;
158 };
159
160 /* Correspondance table between sonypi events
161  * and input layer indexes in the keymap
162  */
163 static int sony_laptop_input_index[] = {
164         -1,     /*  0 no event */
165         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
166         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
167         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
168         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
169         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
170         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
171          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
172          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
173          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
174          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
175          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
176          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
177          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
178          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
179          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
180          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
181         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
182         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
183         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
184         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
185         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
186         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
187         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
188         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
189         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
190         19,     /* 26 SONYPI_EVENT_FNKEY_D */
191         20,     /* 27 SONYPI_EVENT_FNKEY_E */
192         21,     /* 28 SONYPI_EVENT_FNKEY_F */
193         22,     /* 29 SONYPI_EVENT_FNKEY_S */
194         23,     /* 30 SONYPI_EVENT_FNKEY_B */
195         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
196         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
197         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
198         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
199         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
200         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
201         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
202         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
203         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
204         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
205         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
206         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
207         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
208         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
209         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
210         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
211         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
212         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
213         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
214         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
215         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
216         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
217         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
218         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
219         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
220         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
221         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
222         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
223         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
224         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
225         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
226         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
227         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
228         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
229         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
230         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
231         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
232         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
233 };
234
235 static int sony_laptop_input_keycode_map[] = {
236         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
237         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
238         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
239         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
240         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
241         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
242         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
243         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
244         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
245         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
246         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
247         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
248         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
249         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
250         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
251         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
252         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
253         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
254         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
255         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
256         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
257         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
258         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
259         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
260         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
261         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
262         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
263         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
264         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
265         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
266         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
267         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
268         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
269         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
270         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
271         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
272         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
273         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
274         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
275         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
276         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
277         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
278         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
279         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
280         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
281         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
282         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
283         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
284         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
285         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
286         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
287         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
288         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
289         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
290         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
291         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
292 };
293
294 /* release buttons after a short delay if pressed */
295 static void do_sony_laptop_release_key(struct work_struct *work)
296 {
297         struct sony_laptop_keypress kp;
298
299         while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
300                          sizeof(kp)) == sizeof(kp)) {
301                 msleep(10);
302                 input_report_key(kp.dev, kp.key, 0);
303                 input_sync(kp.dev);
304         }
305 }
306 static DECLARE_WORK(sony_laptop_release_key_work,
307                 do_sony_laptop_release_key);
308
309 /* forward event to the input subsystem */
310 static void sony_laptop_report_input_event(u8 event)
311 {
312         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
313         struct input_dev *key_dev = sony_laptop_input.key_dev;
314         struct sony_laptop_keypress kp = { NULL };
315
316         if (event == SONYPI_EVENT_FNKEY_RELEASED) {
317                 /* Nothing, not all VAIOs generate this event */
318                 return;
319         }
320
321         /* report events */
322         switch (event) {
323         /* jog_dev events */
324         case SONYPI_EVENT_JOGDIAL_UP:
325         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
326                 input_report_rel(jog_dev, REL_WHEEL, 1);
327                 input_sync(jog_dev);
328                 return;
329
330         case SONYPI_EVENT_JOGDIAL_DOWN:
331         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
332                 input_report_rel(jog_dev, REL_WHEEL, -1);
333                 input_sync(jog_dev);
334                 return;
335
336         /* key_dev events */
337         case SONYPI_EVENT_JOGDIAL_PRESSED:
338                 kp.key = BTN_MIDDLE;
339                 kp.dev = jog_dev;
340                 break;
341
342         default:
343                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
344                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
345                         break;
346                 }
347                 if (sony_laptop_input_index[event] != -1) {
348                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
349                         if (kp.key != KEY_UNKNOWN)
350                                 kp.dev = key_dev;
351                 }
352                 break;
353         }
354
355         if (kp.dev) {
356                 input_report_key(kp.dev, kp.key, 1);
357                 /* we emit the scancode so we can always remap the key */
358                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
359                 input_sync(kp.dev);
360                 kfifo_put(sony_laptop_input.fifo,
361                           (unsigned char *)&kp, sizeof(kp));
362
363                 if (!work_pending(&sony_laptop_release_key_work))
364                         queue_work(sony_laptop_input.wq,
365                                         &sony_laptop_release_key_work);
366         } else
367                 dprintk("unknown input event %.2x\n", event);
368 }
369
370 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
371 {
372         struct input_dev *jog_dev;
373         struct input_dev *key_dev;
374         int i;
375         int error;
376
377         /* don't run again if already initialized */
378         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
379                 return 0;
380
381         /* kfifo */
382         spin_lock_init(&sony_laptop_input.fifo_lock);
383         sony_laptop_input.fifo =
384                 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
385                             &sony_laptop_input.fifo_lock);
386         if (IS_ERR(sony_laptop_input.fifo)) {
387                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
388                 error = PTR_ERR(sony_laptop_input.fifo);
389                 goto err_dec_users;
390         }
391
392         /* init workqueue */
393         sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
394         if (!sony_laptop_input.wq) {
395                 printk(KERN_ERR DRV_PFX
396                                 "Unabe to create workqueue.\n");
397                 error = -ENXIO;
398                 goto err_free_kfifo;
399         }
400
401         /* input keys */
402         key_dev = input_allocate_device();
403         if (!key_dev) {
404                 error = -ENOMEM;
405                 goto err_destroy_wq;
406         }
407
408         key_dev->name = "Sony Vaio Keys";
409         key_dev->id.bustype = BUS_ISA;
410         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
411         key_dev->dev.parent = &acpi_device->dev;
412
413         /* Initialize the Input Drivers: special keys */
414         set_bit(EV_KEY, key_dev->evbit);
415         set_bit(EV_MSC, key_dev->evbit);
416         set_bit(MSC_SCAN, key_dev->mscbit);
417         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
418         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
419         key_dev->keycode = &sony_laptop_input_keycode_map;
420         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
421                 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
422                         set_bit(sony_laptop_input_keycode_map[i],
423                                 key_dev->keybit);
424                 }
425         }
426
427         error = input_register_device(key_dev);
428         if (error)
429                 goto err_free_keydev;
430
431         sony_laptop_input.key_dev = key_dev;
432
433         /* jogdial */
434         jog_dev = input_allocate_device();
435         if (!jog_dev) {
436                 error = -ENOMEM;
437                 goto err_unregister_keydev;
438         }
439
440         jog_dev->name = "Sony Vaio Jogdial";
441         jog_dev->id.bustype = BUS_ISA;
442         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
443         key_dev->dev.parent = &acpi_device->dev;
444
445         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
446         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
447         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
448
449         error = input_register_device(jog_dev);
450         if (error)
451                 goto err_free_jogdev;
452
453         sony_laptop_input.jog_dev = jog_dev;
454
455         return 0;
456
457 err_free_jogdev:
458         input_free_device(jog_dev);
459
460 err_unregister_keydev:
461         input_unregister_device(key_dev);
462         /* to avoid kref underflow below at input_free_device */
463         key_dev = NULL;
464
465 err_free_keydev:
466         input_free_device(key_dev);
467
468 err_destroy_wq:
469         destroy_workqueue(sony_laptop_input.wq);
470
471 err_free_kfifo:
472         kfifo_free(sony_laptop_input.fifo);
473
474 err_dec_users:
475         atomic_dec(&sony_laptop_input.users);
476         return error;
477 }
478
479 static void sony_laptop_remove_input(void)
480 {
481         /* cleanup only after the last user has gone */
482         if (!atomic_dec_and_test(&sony_laptop_input.users))
483                 return;
484
485         /* flush workqueue first */
486         flush_workqueue(sony_laptop_input.wq);
487
488         /* destroy input devs */
489         input_unregister_device(sony_laptop_input.key_dev);
490         sony_laptop_input.key_dev = NULL;
491
492         if (sony_laptop_input.jog_dev) {
493                 input_unregister_device(sony_laptop_input.jog_dev);
494                 sony_laptop_input.jog_dev = NULL;
495         }
496
497         destroy_workqueue(sony_laptop_input.wq);
498         kfifo_free(sony_laptop_input.fifo);
499 }
500
501 /*********** Platform Device ***********/
502
503 static atomic_t sony_pf_users = ATOMIC_INIT(0);
504 static struct platform_driver sony_pf_driver = {
505         .driver = {
506                    .name = "sony-laptop",
507                    .owner = THIS_MODULE,
508                    }
509 };
510 static struct platform_device *sony_pf_device;
511
512 static int sony_pf_add(void)
513 {
514         int ret = 0;
515
516         /* don't run again if already initialized */
517         if (atomic_add_return(1, &sony_pf_users) > 1)
518                 return 0;
519
520         ret = platform_driver_register(&sony_pf_driver);
521         if (ret)
522                 goto out;
523
524         sony_pf_device = platform_device_alloc("sony-laptop", -1);
525         if (!sony_pf_device) {
526                 ret = -ENOMEM;
527                 goto out_platform_registered;
528         }
529
530         ret = platform_device_add(sony_pf_device);
531         if (ret)
532                 goto out_platform_alloced;
533
534         return 0;
535
536       out_platform_alloced:
537         platform_device_put(sony_pf_device);
538         sony_pf_device = NULL;
539       out_platform_registered:
540         platform_driver_unregister(&sony_pf_driver);
541       out:
542         atomic_dec(&sony_pf_users);
543         return ret;
544 }
545
546 static void sony_pf_remove(void)
547 {
548         /* deregister only after the last user has gone */
549         if (!atomic_dec_and_test(&sony_pf_users))
550                 return;
551
552         platform_device_del(sony_pf_device);
553         platform_device_put(sony_pf_device);
554         platform_driver_unregister(&sony_pf_driver);
555 }
556
557 /*********** SNC (SNY5001) Device ***********/
558
559 /* the device uses 1-based values, while the backlight subsystem uses
560    0-based values */
561 #define SONY_MAX_BRIGHTNESS     8
562
563 #define SNC_VALIDATE_IN         0
564 #define SNC_VALIDATE_OUT        1
565
566 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
567                               char *);
568 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
569                                const char *, size_t);
570 static int boolean_validate(const int, const int);
571 static int brightness_default_validate(const int, const int);
572
573 struct sony_nc_value {
574         char *name;             /* name of the entry */
575         char **acpiget;         /* names of the ACPI get function */
576         char **acpiset;         /* names of the ACPI set function */
577         int (*validate)(const int, const int);  /* input/output validation */
578         int value;              /* current setting */
579         int valid;              /* Has ever been set */
580         int debug;              /* active only in debug mode ? */
581         struct device_attribute devattr;        /* sysfs atribute */
582 };
583
584 #define SNC_HANDLE_NAMES(_name, _values...) \
585         static char *snc_##_name[] = { _values, NULL }
586
587 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
588         { \
589                 .name           = __stringify(_name), \
590                 .acpiget        = _getters, \
591                 .acpiset        = _setters, \
592                 .validate       = _validate, \
593                 .debug          = _debug, \
594                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
595         }
596
597 #define SNC_HANDLE_NULL { .name = NULL }
598
599 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
600
601 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
602 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
603
604 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
605 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
606
607 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
608 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
609
610 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
611 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
612
613 SNC_HANDLE_NAMES(lidstate_get, "GLID");
614
615 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
616 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
617
618 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
619 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
620
621 SNC_HANDLE_NAMES(PID_get, "GPID");
622
623 SNC_HANDLE_NAMES(CTR_get, "GCTR");
624 SNC_HANDLE_NAMES(CTR_set, "SCTR");
625
626 SNC_HANDLE_NAMES(PCR_get, "GPCR");
627 SNC_HANDLE_NAMES(PCR_set, "SPCR");
628
629 SNC_HANDLE_NAMES(CMI_get, "GCMI");
630 SNC_HANDLE_NAMES(CMI_set, "SCMI");
631
632 static struct sony_nc_value sony_nc_values[] = {
633         SNC_HANDLE(brightness_default, snc_brightness_def_get,
634                         snc_brightness_def_set, brightness_default_validate, 0),
635         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
636         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
637         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
638                         boolean_validate, 0),
639         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
640                         boolean_validate, 1),
641         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
642                         boolean_validate, 0),
643         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
644                         boolean_validate, 0),
645         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
646                         boolean_validate, 0),
647         /* unknown methods */
648         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
649         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
650         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
651         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
652         SNC_HANDLE_NULL
653 };
654
655 static acpi_handle sony_nc_acpi_handle;
656 static struct acpi_device *sony_nc_acpi_device = NULL;
657
658 /*
659  * acpi_evaluate_object wrappers
660  */
661 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
662 {
663         struct acpi_buffer output;
664         union acpi_object out_obj;
665         acpi_status status;
666
667         output.length = sizeof(out_obj);
668         output.pointer = &out_obj;
669
670         status = acpi_evaluate_object(handle, name, NULL, &output);
671         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
672                 *result = out_obj.integer.value;
673                 return 0;
674         }
675
676         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
677
678         return -1;
679 }
680
681 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
682                             int *result)
683 {
684         struct acpi_object_list params;
685         union acpi_object in_obj;
686         struct acpi_buffer output;
687         union acpi_object out_obj;
688         acpi_status status;
689
690         params.count = 1;
691         params.pointer = &in_obj;
692         in_obj.type = ACPI_TYPE_INTEGER;
693         in_obj.integer.value = value;
694
695         output.length = sizeof(out_obj);
696         output.pointer = &out_obj;
697
698         status = acpi_evaluate_object(handle, name, &params, &output);
699         if (status == AE_OK) {
700                 if (result != NULL) {
701                         if (out_obj.type != ACPI_TYPE_INTEGER) {
702                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
703                                        "return type\n");
704                                 return -1;
705                         }
706                         *result = out_obj.integer.value;
707                 }
708                 return 0;
709         }
710
711         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
712
713         return -1;
714 }
715
716 static int sony_find_snc_handle(int handle)
717 {
718         int i;
719         int result;
720
721         for (i = 0x20; i < 0x30; i++) {
722                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
723                 if (result == handle)
724                         return i-0x20;
725         }
726
727         return -1;
728 }
729
730 static int sony_call_snc_handle(int handle, int argument, int *result)
731 {
732         int offset = sony_find_snc_handle(handle);
733
734         if (offset < 0)
735                 return -1;
736
737         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
738                                 result);
739 }
740
741 /*
742  * sony_nc_values input/output validate functions
743  */
744
745 /* brightness_default_validate:
746  *
747  * manipulate input output values to keep consistency with the
748  * backlight framework for which brightness values are 0-based.
749  */
750 static int brightness_default_validate(const int direction, const int value)
751 {
752         switch (direction) {
753                 case SNC_VALIDATE_OUT:
754                         return value - 1;
755                 case SNC_VALIDATE_IN:
756                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
757                                 return value + 1;
758         }
759         return -EINVAL;
760 }
761
762 /* boolean_validate:
763  *
764  * on input validate boolean values 0/1, on output just pass the
765  * received value.
766  */
767 static int boolean_validate(const int direction, const int value)
768 {
769         if (direction == SNC_VALIDATE_IN) {
770                 if (value != 0 && value != 1)
771                         return -EINVAL;
772         }
773         return value;
774 }
775
776 /*
777  * Sysfs show/store common to all sony_nc_values
778  */
779 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
780                               char *buffer)
781 {
782         int value;
783         struct sony_nc_value *item =
784             container_of(attr, struct sony_nc_value, devattr);
785
786         if (!*item->acpiget)
787                 return -EIO;
788
789         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
790                 return -EIO;
791
792         if (item->validate)
793                 value = item->validate(SNC_VALIDATE_OUT, value);
794
795         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
796 }
797
798 static ssize_t sony_nc_sysfs_store(struct device *dev,
799                                struct device_attribute *attr,
800                                const char *buffer, size_t count)
801 {
802         int value;
803         struct sony_nc_value *item =
804             container_of(attr, struct sony_nc_value, devattr);
805
806         if (!item->acpiset)
807                 return -EIO;
808
809         if (count > 31)
810                 return -EINVAL;
811
812         value = simple_strtoul(buffer, NULL, 10);
813
814         if (item->validate)
815                 value = item->validate(SNC_VALIDATE_IN, value);
816
817         if (value < 0)
818                 return value;
819
820         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
821                 return -EIO;
822         item->value = value;
823         item->valid = 1;
824         return count;
825 }
826
827
828 /*
829  * Backlight device
830  */
831 static int sony_backlight_update_status(struct backlight_device *bd)
832 {
833         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
834                                 bd->props.brightness + 1, NULL);
835 }
836
837 static int sony_backlight_get_brightness(struct backlight_device *bd)
838 {
839         int value;
840
841         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
842                 return 0;
843         /* brightness levels are 1-based, while backlight ones are 0-based */
844         return value - 1;
845 }
846
847 static struct backlight_device *sony_backlight_device;
848 static struct backlight_ops sony_backlight_ops = {
849         .update_status = sony_backlight_update_status,
850         .get_brightness = sony_backlight_get_brightness,
851 };
852
853 /*
854  * New SNC-only Vaios event mapping to driver known keys
855  */
856 struct sony_nc_event {
857         u8      data;
858         u8      event;
859 };
860
861 static struct sony_nc_event sony_100_events[] = {
862         { 0x90, SONYPI_EVENT_PKEY_P1 },
863         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
864         { 0x91, SONYPI_EVENT_PKEY_P1 },
865         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
866         { 0x81, SONYPI_EVENT_FNKEY_F1 },
867         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
868         { 0x85, SONYPI_EVENT_FNKEY_F5 },
869         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
870         { 0x86, SONYPI_EVENT_FNKEY_F6 },
871         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
872         { 0x87, SONYPI_EVENT_FNKEY_F7 },
873         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
874         { 0x89, SONYPI_EVENT_FNKEY_F9 },
875         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
876         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
877         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
878         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
879         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
880         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
881         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
882         { 0, 0 },
883 };
884
885 static struct sony_nc_event sony_127_events[] = {
886         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
887         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
888         { 0x82, SONYPI_EVENT_PKEY_P1 },
889         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
890         { 0x83, SONYPI_EVENT_PKEY_P2 },
891         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
892         { 0x84, SONYPI_EVENT_PKEY_P3 },
893         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
894         { 0x85, SONYPI_EVENT_PKEY_P4 },
895         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
896         { 0x86, SONYPI_EVENT_PKEY_P5 },
897         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
898         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
899         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
900         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
901         { 0, 0 },
902 };
903
904 /*
905  * ACPI callbacks
906  */
907 static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
908 {
909         u32 ev = event;
910         int result;
911
912         if (ev >= 0x90) {
913                 /* New-style event */
914                 int key_handle = 0;
915                 ev -= 0x90;
916
917                 if (sony_find_snc_handle(0x100) == ev)
918                         key_handle = 0x100;
919                 if (sony_find_snc_handle(0x127) == ev)
920                         key_handle = 0x127;
921
922                 if (handle) {
923                         struct sony_nc_event *key_event;
924
925                         if (sony_call_snc_handle(key_handle, 0x200, &result))
926                                 dprintk("sony_acpi_notify, unable to decode"
927                                         " event 0x%.2x 0x%.2x\n", key_handle,
928                                         ev);
929                         else
930                                 ev = result & 0xFF;
931
932                         if (key_handle == 0x100)
933                                 key_event = sony_100_events;
934                         else
935                                 key_event = sony_127_events;
936
937                         for (; key_event->data; key_event++) {
938                                 if (key_event->data == ev) {
939                                         ev = key_event->event;
940                                         break;
941                                 }
942                         }
943
944                         if (!key_event->data) {
945                                 printk(KERN_INFO DRV_PFX
946                                        "Unknown event: 0x%x 0x%x\n", key_handle,
947                                        ev);
948                         }
949                 } else if (sony_find_snc_handle(0x124) == ev) {
950                         sony_nc_rfkill_update();
951                         return;
952                 }
953         }
954
955         dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
956         sony_laptop_report_input_event(ev);
957         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
958 }
959
960 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
961                                       void *context, void **return_value)
962 {
963         struct acpi_device_info *info;
964         struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
965
966         if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
967                 info = buffer.pointer;
968
969                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
970                         (char *)&info->name, info->param_count);
971
972                 kfree(buffer.pointer);
973         }
974
975         return AE_OK;
976 }
977
978 /*
979  * ACPI device
980  */
981 static int sony_nc_function_setup(struct acpi_device *device)
982 {
983         int result;
984
985         /* Enable all events */
986         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
987
988         /* Setup hotkeys */
989         sony_call_snc_handle(0x0100, 0, &result);
990         sony_call_snc_handle(0x0101, 0, &result);
991         sony_call_snc_handle(0x0102, 0x100, &result);
992
993         return 0;
994 }
995
996 static int sony_nc_resume(struct acpi_device *device)
997 {
998         struct sony_nc_value *item;
999         acpi_handle handle;
1000
1001         for (item = sony_nc_values; item->name; item++) {
1002                 int ret;
1003
1004                 if (!item->valid)
1005                         continue;
1006                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1007                                        item->value, NULL);
1008                 if (ret < 0) {
1009                         printk("%s: %d\n", __func__, ret);
1010                         break;
1011                 }
1012         }
1013
1014         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1015                                          &handle))) {
1016                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1017                         dprintk("ECON Method failed\n");
1018         }
1019
1020         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1021                                          &handle))) {
1022                 dprintk("Doing SNC setup\n");
1023                 sony_nc_function_setup(device);
1024         }
1025
1026         /* set the last requested brightness level */
1027         if (sony_backlight_device &&
1028                         !sony_backlight_update_status(sony_backlight_device))
1029                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1030
1031         return 0;
1032 }
1033
1034 static void sony_nc_rfkill_cleanup(void)
1035 {
1036         int i;
1037
1038         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1039                 if (sony_rfkill_devices[i])
1040                         rfkill_unregister(sony_rfkill_devices[i]);
1041         }
1042 }
1043
1044 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
1045 {
1046         int result;
1047         int argument = sony_rfkill_address[(long) data];
1048
1049         sony_call_snc_handle(0x124, 0x200, &result);
1050         if (result & 0x1) {
1051                 sony_call_snc_handle(0x124, argument, &result);
1052                 if (result & 0xf)
1053                         *state = RFKILL_STATE_UNBLOCKED;
1054                 else
1055                         *state = RFKILL_STATE_SOFT_BLOCKED;
1056         } else {
1057                 *state = RFKILL_STATE_HARD_BLOCKED;
1058         }
1059
1060         return 0;
1061 }
1062
1063 static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
1064 {
1065         int result;
1066         int argument = sony_rfkill_address[(long) data] + 0x100;
1067
1068         if (state == RFKILL_STATE_UNBLOCKED)
1069                 argument |= 0xff0000;
1070
1071         return sony_call_snc_handle(0x124, argument, &result);
1072 }
1073
1074 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
1075 {
1076         int err = 0;
1077         struct rfkill *sony_wifi_rfkill;
1078
1079         sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
1080         if (!sony_wifi_rfkill)
1081                 return -1;
1082         sony_wifi_rfkill->name = "sony-wifi";
1083         sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
1084         sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
1085         sony_wifi_rfkill->user_claim_unsupported = 1;
1086         sony_wifi_rfkill->data = (void *)SONY_WIFI;
1087         err = rfkill_register(sony_wifi_rfkill);
1088         if (err)
1089                 rfkill_free(sony_wifi_rfkill);
1090         else
1091                 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
1092         return err;
1093 }
1094
1095 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
1096 {
1097         int err = 0;
1098         struct rfkill *sony_bluetooth_rfkill;
1099
1100         sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
1101                                                 RFKILL_TYPE_BLUETOOTH);
1102         if (!sony_bluetooth_rfkill)
1103                 return -1;
1104         sony_bluetooth_rfkill->name = "sony-bluetooth";
1105         sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
1106         sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
1107         sony_bluetooth_rfkill->user_claim_unsupported = 1;
1108         sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
1109         err = rfkill_register(sony_bluetooth_rfkill);
1110         if (err)
1111                 rfkill_free(sony_bluetooth_rfkill);
1112         else
1113                 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
1114         return err;
1115 }
1116
1117 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
1118 {
1119         int err = 0;
1120         struct rfkill *sony_wwan_rfkill;
1121
1122         sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
1123         if (!sony_wwan_rfkill)
1124                 return -1;
1125         sony_wwan_rfkill->name = "sony-wwan";
1126         sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
1127         sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
1128         sony_wwan_rfkill->user_claim_unsupported = 1;
1129         sony_wwan_rfkill->data = (void *)SONY_WWAN;
1130         err = rfkill_register(sony_wwan_rfkill);
1131         if (err)
1132                 rfkill_free(sony_wwan_rfkill);
1133         else
1134                 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
1135         return err;
1136 }
1137
1138 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
1139 {
1140         int err = 0;
1141         struct rfkill *sony_wimax_rfkill;
1142
1143         sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
1144         if (!sony_wimax_rfkill)
1145                 return -1;
1146         sony_wimax_rfkill->name = "sony-wimax";
1147         sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
1148         sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
1149         sony_wimax_rfkill->user_claim_unsupported = 1;
1150         sony_wimax_rfkill->data = (void *)SONY_WIMAX;
1151         err = rfkill_register(sony_wimax_rfkill);
1152         if (err)
1153                 rfkill_free(sony_wimax_rfkill);
1154         else
1155                 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
1156         return err;
1157 }
1158
1159 static void sony_nc_rfkill_update()
1160 {
1161         int i;
1162         enum rfkill_state state;
1163
1164         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1165                 if (sony_rfkill_devices[i]) {
1166                         sony_rfkill_devices[i]->
1167                                 get_state(sony_rfkill_devices[i]->data,
1168                                           &state);
1169                         rfkill_force_state(sony_rfkill_devices[i], state);
1170                 }
1171         }
1172 }
1173
1174 static int sony_nc_rfkill_setup(struct acpi_device *device)
1175 {
1176         int result, ret;
1177
1178         if (sony_find_snc_handle(0x124) == -1)
1179                 return -1;
1180
1181         ret = sony_call_snc_handle(0x124, 0xb00, &result);
1182         if (ret) {
1183                 printk(KERN_INFO DRV_PFX
1184                        "Unable to enumerate rfkill devices: %x\n", ret);
1185                 return ret;
1186         }
1187
1188         if (result & 0x1)
1189                 sony_nc_setup_wifi_rfkill(device);
1190         if (result & 0x2)
1191                 sony_nc_setup_bluetooth_rfkill(device);
1192         if (result & 0x1c)
1193                 sony_nc_setup_wwan_rfkill(device);
1194         if (result & 0x20)
1195                 sony_nc_setup_wimax_rfkill(device);
1196
1197         return 0;
1198 }
1199
1200 static int sony_nc_add(struct acpi_device *device)
1201 {
1202         acpi_status status;
1203         int result = 0;
1204         acpi_handle handle;
1205         struct sony_nc_value *item;
1206
1207         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1208                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1209
1210         sony_nc_acpi_device = device;
1211         strcpy(acpi_device_class(device), "sony/hotkey");
1212
1213         sony_nc_acpi_handle = device->handle;
1214
1215         /* read device status */
1216         result = acpi_bus_get_status(device);
1217         /* bail IFF the above call was successful and the device is not present */
1218         if (!result && !device->status.present) {
1219                 dprintk("Device not present\n");
1220                 result = -ENODEV;
1221                 goto outwalk;
1222         }
1223
1224         if (debug) {
1225                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1226                                              1, sony_walk_callback, NULL, NULL);
1227                 if (ACPI_FAILURE(status)) {
1228                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1229                         result = -ENODEV;
1230                         goto outwalk;
1231                 }
1232         }
1233
1234         /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1235          * should be respected as we already checked for the device presence above */
1236         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1237                 dprintk("Invoking _INI\n");
1238                 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1239                                                 NULL, NULL)))
1240                         dprintk("_INI Method failed\n");
1241         }
1242
1243         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1244                                          &handle))) {
1245                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1246                         dprintk("ECON Method failed\n");
1247         }
1248
1249         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1250                                          &handle))) {
1251                 dprintk("Doing SNC setup\n");
1252                 sony_nc_function_setup(device);
1253                 sony_nc_rfkill_setup(device);
1254         }
1255
1256         /* setup input devices and helper fifo */
1257         result = sony_laptop_setup_input(device);
1258         if (result) {
1259                 printk(KERN_ERR DRV_PFX
1260                                 "Unabe to create input devices.\n");
1261                 goto outwalk;
1262         }
1263
1264         status = acpi_install_notify_handler(sony_nc_acpi_handle,
1265                                              ACPI_DEVICE_NOTIFY,
1266                                              sony_acpi_notify, NULL);
1267         if (ACPI_FAILURE(status)) {
1268                 printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
1269                 result = -ENODEV;
1270                 goto outinput;
1271         }
1272
1273         if (acpi_video_backlight_support()) {
1274                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1275                        "controlled by ACPI video driver\n");
1276         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1277                                                 &handle))) {
1278                 sony_backlight_device = backlight_device_register("sony", NULL,
1279                                                                   NULL,
1280                                                                   &sony_backlight_ops);
1281
1282                 if (IS_ERR(sony_backlight_device)) {
1283                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1284                         sony_backlight_device = NULL;
1285                 } else {
1286                         sony_backlight_device->props.brightness =
1287                             sony_backlight_get_brightness
1288                             (sony_backlight_device);
1289                         sony_backlight_device->props.max_brightness =
1290                             SONY_MAX_BRIGHTNESS - 1;
1291                 }
1292
1293         }
1294
1295         result = sony_pf_add();
1296         if (result)
1297                 goto outbacklight;
1298
1299         /* create sony_pf sysfs attributes related to the SNC device */
1300         for (item = sony_nc_values; item->name; ++item) {
1301
1302                 if (!debug && item->debug)
1303                         continue;
1304
1305                 /* find the available acpiget as described in the DSDT */
1306                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1307                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1308                                                          *item->acpiget,
1309                                                          &handle))) {
1310                                 dprintk("Found %s getter: %s\n",
1311                                                 item->name, *item->acpiget);
1312                                 item->devattr.attr.mode |= S_IRUGO;
1313                                 break;
1314                         }
1315                 }
1316
1317                 /* find the available acpiset as described in the DSDT */
1318                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1319                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1320                                                          *item->acpiset,
1321                                                          &handle))) {
1322                                 dprintk("Found %s setter: %s\n",
1323                                                 item->name, *item->acpiset);
1324                                 item->devattr.attr.mode |= S_IWUSR;
1325                                 break;
1326                         }
1327                 }
1328
1329                 if (item->devattr.attr.mode != 0) {
1330                         result =
1331                             device_create_file(&sony_pf_device->dev,
1332                                                &item->devattr);
1333                         if (result)
1334                                 goto out_sysfs;
1335                 }
1336         }
1337
1338         return 0;
1339
1340       out_sysfs:
1341         for (item = sony_nc_values; item->name; ++item) {
1342                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1343         }
1344         sony_pf_remove();
1345
1346       outbacklight:
1347         if (sony_backlight_device)
1348                 backlight_device_unregister(sony_backlight_device);
1349
1350         status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1351                                             ACPI_DEVICE_NOTIFY,
1352                                             sony_acpi_notify);
1353         if (ACPI_FAILURE(status))
1354                 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1355
1356       outinput:
1357         sony_laptop_remove_input();
1358
1359       outwalk:
1360         sony_nc_rfkill_cleanup();
1361         return result;
1362 }
1363
1364 static int sony_nc_remove(struct acpi_device *device, int type)
1365 {
1366         acpi_status status;
1367         struct sony_nc_value *item;
1368
1369         if (sony_backlight_device)
1370                 backlight_device_unregister(sony_backlight_device);
1371
1372         sony_nc_acpi_device = NULL;
1373
1374         status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1375                                             ACPI_DEVICE_NOTIFY,
1376                                             sony_acpi_notify);
1377         if (ACPI_FAILURE(status))
1378                 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1379
1380         for (item = sony_nc_values; item->name; ++item) {
1381                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1382         }
1383
1384         sony_pf_remove();
1385         sony_laptop_remove_input();
1386         sony_nc_rfkill_cleanup();
1387         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1388
1389         return 0;
1390 }
1391
1392 static const struct acpi_device_id sony_device_ids[] = {
1393         {SONY_NC_HID, 0},
1394         {SONY_PIC_HID, 0},
1395         {"", 0},
1396 };
1397 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1398
1399 static const struct acpi_device_id sony_nc_device_ids[] = {
1400         {SONY_NC_HID, 0},
1401         {"", 0},
1402 };
1403
1404 static struct acpi_driver sony_nc_driver = {
1405         .name = SONY_NC_DRIVER_NAME,
1406         .class = SONY_NC_CLASS,
1407         .ids = sony_nc_device_ids,
1408         .owner = THIS_MODULE,
1409         .ops = {
1410                 .add = sony_nc_add,
1411                 .remove = sony_nc_remove,
1412                 .resume = sony_nc_resume,
1413                 },
1414 };
1415
1416 /*********** SPIC (SNY6001) Device ***********/
1417
1418 #define SONYPI_DEVICE_TYPE1     0x00000001
1419 #define SONYPI_DEVICE_TYPE2     0x00000002
1420 #define SONYPI_DEVICE_TYPE3     0x00000004
1421 #define SONYPI_DEVICE_TYPE4     0x00000008
1422
1423 #define SONYPI_TYPE1_OFFSET     0x04
1424 #define SONYPI_TYPE2_OFFSET     0x12
1425 #define SONYPI_TYPE3_OFFSET     0x12
1426 #define SONYPI_TYPE4_OFFSET     0x12
1427
1428 struct sony_pic_ioport {
1429         struct acpi_resource_io io1;
1430         struct acpi_resource_io io2;
1431         struct list_head        list;
1432 };
1433
1434 struct sony_pic_irq {
1435         struct acpi_resource_irq        irq;
1436         struct list_head                list;
1437 };
1438
1439 struct sonypi_eventtypes {
1440         u8                      data;
1441         unsigned long           mask;
1442         struct sonypi_event     *events;
1443 };
1444
1445 struct device_ctrl {
1446         int                             model;
1447         int                             (*handle_irq)(const u8, const u8);
1448         u16                             evport_offset;
1449         u8                              has_camera;
1450         u8                              has_bluetooth;
1451         u8                              has_wwan;
1452         struct sonypi_eventtypes        *event_types;
1453 };
1454
1455 struct sony_pic_dev {
1456         struct device_ctrl      *control;
1457         struct acpi_device      *acpi_dev;
1458         struct sony_pic_irq     *cur_irq;
1459         struct sony_pic_ioport  *cur_ioport;
1460         struct list_head        interrupts;
1461         struct list_head        ioports;
1462         struct mutex            lock;
1463         u8                      camera_power;
1464         u8                      bluetooth_power;
1465         u8                      wwan_power;
1466 };
1467
1468 static struct sony_pic_dev spic_dev = {
1469         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1470         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1471 };
1472
1473 /* Event masks */
1474 #define SONYPI_JOGGER_MASK                      0x00000001
1475 #define SONYPI_CAPTURE_MASK                     0x00000002
1476 #define SONYPI_FNKEY_MASK                       0x00000004
1477 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1478 #define SONYPI_PKEY_MASK                        0x00000010
1479 #define SONYPI_BACK_MASK                        0x00000020
1480 #define SONYPI_HELP_MASK                        0x00000040
1481 #define SONYPI_LID_MASK                         0x00000080
1482 #define SONYPI_ZOOM_MASK                        0x00000100
1483 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1484 #define SONYPI_MEYE_MASK                        0x00000400
1485 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1486 #define SONYPI_BATTERY_MASK                     0x00001000
1487 #define SONYPI_WIRELESS_MASK                    0x00002000
1488
1489 struct sonypi_event {
1490         u8      data;
1491         u8      event;
1492 };
1493
1494 /* The set of possible button release events */
1495 static struct sonypi_event sonypi_releaseev[] = {
1496         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1497         { 0, 0 }
1498 };
1499
1500 /* The set of possible jogger events  */
1501 static struct sonypi_event sonypi_joggerev[] = {
1502         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1503         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1504         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1505         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1506         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1507         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1508         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1509         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1510         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1511         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1512         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1513         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1514         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1515         { 0, 0 }
1516 };
1517
1518 /* The set of possible capture button events */
1519 static struct sonypi_event sonypi_captureev[] = {
1520         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1521         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1522         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1523         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1524         { 0, 0 }
1525 };
1526
1527 /* The set of possible fnkeys events */
1528 static struct sonypi_event sonypi_fnkeyev[] = {
1529         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1530         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1531         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1532         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1533         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1534         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1535         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1536         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1537         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1538         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1539         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1540         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1541         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1542         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1543         { 0x21, SONYPI_EVENT_FNKEY_1 },
1544         { 0x22, SONYPI_EVENT_FNKEY_2 },
1545         { 0x31, SONYPI_EVENT_FNKEY_D },
1546         { 0x32, SONYPI_EVENT_FNKEY_E },
1547         { 0x33, SONYPI_EVENT_FNKEY_F },
1548         { 0x34, SONYPI_EVENT_FNKEY_S },
1549         { 0x35, SONYPI_EVENT_FNKEY_B },
1550         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1551         { 0, 0 }
1552 };
1553
1554 /* The set of possible program key events */
1555 static struct sonypi_event sonypi_pkeyev[] = {
1556         { 0x01, SONYPI_EVENT_PKEY_P1 },
1557         { 0x02, SONYPI_EVENT_PKEY_P2 },
1558         { 0x04, SONYPI_EVENT_PKEY_P3 },
1559         { 0, 0 }
1560 };
1561
1562 /* The set of possible bluetooth events */
1563 static struct sonypi_event sonypi_blueev[] = {
1564         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1565         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1566         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1567         { 0, 0 }
1568 };
1569
1570 /* The set of possible wireless events */
1571 static struct sonypi_event sonypi_wlessev[] = {
1572         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1573         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1574         { 0, 0 }
1575 };
1576
1577 /* The set of possible back button events */
1578 static struct sonypi_event sonypi_backev[] = {
1579         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1580         { 0, 0 }
1581 };
1582
1583 /* The set of possible help button events */
1584 static struct sonypi_event sonypi_helpev[] = {
1585         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1586         { 0, 0 }
1587 };
1588
1589
1590 /* The set of possible lid events */
1591 static struct sonypi_event sonypi_lidev[] = {
1592         { 0x51, SONYPI_EVENT_LID_CLOSED },
1593         { 0x50, SONYPI_EVENT_LID_OPENED },
1594         { 0, 0 }
1595 };
1596
1597 /* The set of possible zoom events */
1598 static struct sonypi_event sonypi_zoomev[] = {
1599         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1600         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1601         { 0x20, SONYPI_EVENT_ZOOM_OUT_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 static struct sonypi_eventtypes type1_events[] = {
1633         { 0, 0xffffffff, sonypi_releaseev },
1634         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1635         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1636         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1637         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1638         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1639         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1640         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1641         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1642         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1643         { 0 },
1644 };
1645 static struct sonypi_eventtypes type2_events[] = {
1646         { 0, 0xffffffff, sonypi_releaseev },
1647         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1648         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1649         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1650         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1651         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1652         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1653         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1654         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1655         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1656         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1657         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1658         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1659         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1660         { 0 },
1661 };
1662 static struct sonypi_eventtypes type3_events[] = {
1663         { 0, 0xffffffff, sonypi_releaseev },
1664         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1665         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1666         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1667         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1668         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1669         { 0 },
1670 };
1671 static struct sonypi_eventtypes type4_events[] = {
1672         { 0, 0xffffffff, sonypi_releaseev },
1673         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1674         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1675         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1676         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1677         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1678         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1679         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1680         { 0 },
1681 };
1682
1683 /* low level spic calls */
1684 #define ITERATIONS_LONG         10000
1685 #define ITERATIONS_SHORT        10
1686 #define wait_on_command(command, iterations) {                          \
1687         unsigned int n = iterations;                                    \
1688         while (--n && (command))                                        \
1689                 udelay(1);                                              \
1690         if (!n)                                                         \
1691                 dprintk("command failed at %s : %s (line %d)\n",        \
1692                                 __FILE__, __func__, __LINE__);  \
1693 }
1694
1695 static u8 sony_pic_call1(u8 dev)
1696 {
1697         u8 v1, v2;
1698
1699         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1700                         ITERATIONS_LONG);
1701         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1702         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1703         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1704         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1705         return v2;
1706 }
1707
1708 static u8 sony_pic_call2(u8 dev, u8 fn)
1709 {
1710         u8 v1;
1711
1712         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1713                         ITERATIONS_LONG);
1714         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1715         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1716                         ITERATIONS_LONG);
1717         outb(fn, spic_dev.cur_ioport->io1.minimum);
1718         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1719         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1720         return v1;
1721 }
1722
1723 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1724 {
1725         u8 v1;
1726
1727         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1728         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1729         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1730         outb(fn, spic_dev.cur_ioport->io1.minimum);
1731         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1732         outb(v, spic_dev.cur_ioport->io1.minimum);
1733         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1734         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1735                         dev, fn, v, v1);
1736         return v1;
1737 }
1738
1739 /*
1740  * minidrivers for SPIC models
1741  */
1742 static int type4_handle_irq(const u8 data_mask, const u8 ev)
1743 {
1744         /*
1745          * 0x31 could mean we have to take some extra action and wait for
1746          * the next irq for some Type4 models, it will generate a new
1747          * irq and we can read new data from the device:
1748          *  - 0x5c and 0x5f requires 0xA0
1749          *  - 0x61 requires 0xB3
1750          */
1751         if (data_mask == 0x31) {
1752                 if (ev == 0x5c || ev == 0x5f)
1753                         sony_pic_call1(0xA0);
1754                 else if (ev == 0x61)
1755                         sony_pic_call1(0xB3);
1756                 return 0;
1757         }
1758         return 1;
1759 }
1760
1761 static struct device_ctrl spic_types[] = {
1762         {
1763                 .model = SONYPI_DEVICE_TYPE1,
1764                 .handle_irq = NULL,
1765                 .evport_offset = SONYPI_TYPE1_OFFSET,
1766                 .event_types = type1_events,
1767         },
1768         {
1769                 .model = SONYPI_DEVICE_TYPE2,
1770                 .handle_irq = NULL,
1771                 .evport_offset = SONYPI_TYPE2_OFFSET,
1772                 .event_types = type2_events,
1773         },
1774         {
1775                 .model = SONYPI_DEVICE_TYPE3,
1776                 .handle_irq = NULL,
1777                 .evport_offset = SONYPI_TYPE3_OFFSET,
1778                 .event_types = type3_events,
1779         },
1780         {
1781                 .model = SONYPI_DEVICE_TYPE4,
1782                 .handle_irq = type4_handle_irq,
1783                 .evport_offset = SONYPI_TYPE4_OFFSET,
1784                 .event_types = type4_events,
1785         },
1786 };
1787
1788 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1789 {
1790         struct pci_dev *pcidev;
1791
1792         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1793                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1794         if (pcidev) {
1795                 dev->control = &spic_types[0];
1796                 goto out;
1797         }
1798
1799         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1800                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1801         if (pcidev) {
1802                 dev->control = &spic_types[2];
1803                 goto out;
1804         }
1805
1806         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1807                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1808         if (pcidev) {
1809                 dev->control = &spic_types[3];
1810                 goto out;
1811         }
1812
1813         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1814                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1815         if (pcidev) {
1816                 dev->control = &spic_types[3];
1817                 goto out;
1818         }
1819
1820         /* default */
1821         dev->control = &spic_types[1];
1822
1823 out:
1824         if (pcidev)
1825                 pci_dev_put(pcidev);
1826
1827         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1828                         dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1829                         dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 :
1830                         dev->control->model == SONYPI_DEVICE_TYPE3 ? 3 : 4);
1831 }
1832
1833 /* camera tests and poweron/poweroff */
1834 #define SONYPI_CAMERA_PICTURE           5
1835 #define SONYPI_CAMERA_CONTROL           0x10
1836
1837 #define SONYPI_CAMERA_BRIGHTNESS                0
1838 #define SONYPI_CAMERA_CONTRAST                  1
1839 #define SONYPI_CAMERA_HUE                       2
1840 #define SONYPI_CAMERA_COLOR                     3
1841 #define SONYPI_CAMERA_SHARPNESS                 4
1842
1843 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1844 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1845 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1846 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1847
1848 /* the rest don't need a loop until not 0xff */
1849 #define SONYPI_CAMERA_AGC                       6
1850 #define SONYPI_CAMERA_AGC_MASK                  0x30
1851 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1852
1853 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1854 #define SONYPI_CAMERA_CONTROL                   0x10
1855
1856 #define SONYPI_CAMERA_STATUS                    7
1857 #define SONYPI_CAMERA_STATUS_READY              0x2
1858 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1859
1860 #define SONYPI_DIRECTION_BACKWARDS              0x4
1861
1862 #define SONYPI_CAMERA_REVISION                  8
1863 #define SONYPI_CAMERA_ROMVERSION                9
1864
1865 static int __sony_pic_camera_ready(void)
1866 {
1867         u8 v;
1868
1869         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1870         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1871 }
1872
1873 static int __sony_pic_camera_off(void)
1874 {
1875         if (!camera) {
1876                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1877                 return -ENODEV;
1878         }
1879
1880         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1881                                 SONYPI_CAMERA_MUTE_MASK),
1882                         ITERATIONS_SHORT);
1883
1884         if (spic_dev.camera_power) {
1885                 sony_pic_call2(0x91, 0);
1886                 spic_dev.camera_power = 0;
1887         }
1888         return 0;
1889 }
1890
1891 static int __sony_pic_camera_on(void)
1892 {
1893         int i, j, x;
1894
1895         if (!camera) {
1896                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1897                 return -ENODEV;
1898         }
1899
1900         if (spic_dev.camera_power)
1901                 return 0;
1902
1903         for (j = 5; j > 0; j--) {
1904
1905                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1906                         msleep(10);
1907                 sony_pic_call1(0x93);
1908
1909                 for (i = 400; i > 0; i--) {
1910                         if (__sony_pic_camera_ready())
1911                                 break;
1912                         msleep(10);
1913                 }
1914                 if (i)
1915                         break;
1916         }
1917
1918         if (j == 0) {
1919                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1920                 return -ENODEV;
1921         }
1922
1923         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1924                                 0x5a),
1925                         ITERATIONS_SHORT);
1926
1927         spic_dev.camera_power = 1;
1928         return 0;
1929 }
1930
1931 /* External camera command (exported to the motion eye v4l driver) */
1932 int sony_pic_camera_command(int command, u8 value)
1933 {
1934         if (!camera)
1935                 return -EIO;
1936
1937         mutex_lock(&spic_dev.lock);
1938
1939         switch (command) {
1940         case SONY_PIC_COMMAND_SETCAMERA:
1941                 if (value)
1942                         __sony_pic_camera_on();
1943                 else
1944                         __sony_pic_camera_off();
1945                 break;
1946         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1947                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1948                                 ITERATIONS_SHORT);
1949                 break;
1950         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1951                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1952                                 ITERATIONS_SHORT);
1953                 break;
1954         case SONY_PIC_COMMAND_SETCAMERAHUE:
1955                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1956                                 ITERATIONS_SHORT);
1957                 break;
1958         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1959                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1960                                 ITERATIONS_SHORT);
1961                 break;
1962         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1963                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1964                                 ITERATIONS_SHORT);
1965                 break;
1966         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1967                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1968                                 ITERATIONS_SHORT);
1969                 break;
1970         case SONY_PIC_COMMAND_SETCAMERAAGC:
1971                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1972                                 ITERATIONS_SHORT);
1973                 break;
1974         default:
1975                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1976                        command);
1977                 break;
1978         }
1979         mutex_unlock(&spic_dev.lock);
1980         return 0;
1981 }
1982 EXPORT_SYMBOL(sony_pic_camera_command);
1983
1984 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1985 static void sony_pic_set_wwanpower(u8 state)
1986 {
1987         state = !!state;
1988         mutex_lock(&spic_dev.lock);
1989         if (spic_dev.wwan_power == state) {
1990                 mutex_unlock(&spic_dev.lock);
1991                 return;
1992         }
1993         sony_pic_call2(0xB0, state);
1994         spic_dev.wwan_power = state;
1995         mutex_unlock(&spic_dev.lock);
1996 }
1997
1998 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1999                 struct device_attribute *attr,
2000                 const char *buffer, size_t count)
2001 {
2002         unsigned long value;
2003         if (count > 31)
2004                 return -EINVAL;
2005
2006         value = simple_strtoul(buffer, NULL, 10);
2007         sony_pic_set_wwanpower(value);
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         int retval;
2149
2150         retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2151         if (retval < 0)
2152                 return retval;
2153         return 0;
2154 }
2155
2156 static int sonypi_misc_release(struct inode *inode, struct file *file)
2157 {
2158         atomic_dec(&sonypi_compat.open_count);
2159         return 0;
2160 }
2161
2162 static int sonypi_misc_open(struct inode *inode, struct file *file)
2163 {
2164         /* Flush input queue on first open */
2165         lock_kernel();
2166         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2167                 kfifo_reset(sonypi_compat.fifo);
2168         unlock_kernel();
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_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2189                 if (put_user(c, buf++))
2190                         return -EFAULT;
2191                 ret++;
2192         }
2193
2194         if (ret > 0) {
2195                 struct inode *inode = file->f_path.dentry->d_inode;
2196                 inode->i_atime = current_fs_time(inode->i_sb);
2197         }
2198
2199         return ret;
2200 }
2201
2202 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2203 {
2204         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2205         if (kfifo_len(sonypi_compat.fifo))
2206                 return POLLIN | POLLRDNORM;
2207         return 0;
2208 }
2209
2210 static int ec_read16(u8 addr, u16 *value)
2211 {
2212         u8 val_lb, val_hb;
2213         if (ec_read(addr, &val_lb))
2214                 return -1;
2215         if (ec_read(addr + 1, &val_hb))
2216                 return -1;
2217         *value = val_lb | (val_hb << 8);
2218         return 0;
2219 }
2220
2221 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
2222                              unsigned int cmd, unsigned long arg)
2223 {
2224         int ret = 0;
2225         void __user *argp = (void __user *)arg;
2226         u8 val8;
2227         u16 val16;
2228         int value;
2229
2230         mutex_lock(&spic_dev.lock);
2231         switch (cmd) {
2232         case SONYPI_IOCGBRT:
2233                 if (sony_backlight_device == NULL) {
2234                         ret = -EIO;
2235                         break;
2236                 }
2237                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2238                         ret = -EIO;
2239                         break;
2240                 }
2241                 val8 = ((value & 0xff) - 1) << 5;
2242                 if (copy_to_user(argp, &val8, sizeof(val8)))
2243                                 ret = -EFAULT;
2244                 break;
2245         case SONYPI_IOCSBRT:
2246                 if (sony_backlight_device == NULL) {
2247                         ret = -EIO;
2248                         break;
2249                 }
2250                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2251                         ret = -EFAULT;
2252                         break;
2253                 }
2254                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2255                                 (val8 >> 5) + 1, NULL)) {
2256                         ret = -EIO;
2257                         break;
2258                 }
2259                 /* sync the backlight device status */
2260                 sony_backlight_device->props.brightness =
2261                     sony_backlight_get_brightness(sony_backlight_device);
2262                 break;
2263         case SONYPI_IOCGBAT1CAP:
2264                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2265                         ret = -EIO;
2266                         break;
2267                 }
2268                 if (copy_to_user(argp, &val16, sizeof(val16)))
2269                         ret = -EFAULT;
2270                 break;
2271         case SONYPI_IOCGBAT1REM:
2272                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2273                         ret = -EIO;
2274                         break;
2275                 }
2276                 if (copy_to_user(argp, &val16, sizeof(val16)))
2277                         ret = -EFAULT;
2278                 break;
2279         case SONYPI_IOCGBAT2CAP:
2280                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2281                         ret = -EIO;
2282                         break;
2283                 }
2284                 if (copy_to_user(argp, &val16, sizeof(val16)))
2285                         ret = -EFAULT;
2286                 break;
2287         case SONYPI_IOCGBAT2REM:
2288                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2289                         ret = -EIO;
2290                         break;
2291                 }
2292                 if (copy_to_user(argp, &val16, sizeof(val16)))
2293                         ret = -EFAULT;
2294                 break;
2295         case SONYPI_IOCGBATFLAGS:
2296                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2297                         ret = -EIO;
2298                         break;
2299                 }
2300                 val8 &= 0x07;
2301                 if (copy_to_user(argp, &val8, sizeof(val8)))
2302                         ret = -EFAULT;
2303                 break;
2304         case SONYPI_IOCGBLUE:
2305                 val8 = spic_dev.bluetooth_power;
2306                 if (copy_to_user(argp, &val8, sizeof(val8)))
2307                         ret = -EFAULT;
2308                 break;
2309         case SONYPI_IOCSBLUE:
2310                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2311                         ret = -EFAULT;
2312                         break;
2313                 }
2314                 __sony_pic_set_bluetoothpower(val8);
2315                 break;
2316         /* FAN Controls */
2317         case SONYPI_IOCGFAN:
2318                 if (sony_pic_get_fanspeed(&val8)) {
2319                         ret = -EIO;
2320                         break;
2321                 }
2322                 if (copy_to_user(argp, &val8, sizeof(val8)))
2323                         ret = -EFAULT;
2324                 break;
2325         case SONYPI_IOCSFAN:
2326                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2327                         ret = -EFAULT;
2328                         break;
2329                 }
2330                 if (sony_pic_set_fanspeed(val8))
2331                         ret = -EIO;
2332                 break;
2333         /* GET Temperature (useful under APM) */
2334         case SONYPI_IOCGTEMP:
2335                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2336                         ret = -EIO;
2337                         break;
2338                 }
2339                 if (copy_to_user(argp, &val8, sizeof(val8)))
2340                         ret = -EFAULT;
2341                 break;
2342         default:
2343                 ret = -EINVAL;
2344         }
2345         mutex_unlock(&spic_dev.lock);
2346         return ret;
2347 }
2348
2349 static const struct file_operations sonypi_misc_fops = {
2350         .owner          = THIS_MODULE,
2351         .read           = sonypi_misc_read,
2352         .poll           = sonypi_misc_poll,
2353         .open           = sonypi_misc_open,
2354         .release        = sonypi_misc_release,
2355         .fasync         = sonypi_misc_fasync,
2356         .ioctl          = sonypi_misc_ioctl,
2357 };
2358
2359 static struct miscdevice sonypi_misc_device = {
2360         .minor          = MISC_DYNAMIC_MINOR,
2361         .name           = "sonypi",
2362         .fops           = &sonypi_misc_fops,
2363 };
2364
2365 static void sonypi_compat_report_event(u8 event)
2366 {
2367         kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2368         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2369         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2370 }
2371
2372 static int sonypi_compat_init(void)
2373 {
2374         int error;
2375
2376         spin_lock_init(&sonypi_compat.fifo_lock);
2377         sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2378                                          &sonypi_compat.fifo_lock);
2379         if (IS_ERR(sonypi_compat.fifo)) {
2380                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2381                 return PTR_ERR(sonypi_compat.fifo);
2382         }
2383
2384         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2385
2386         if (minor != -1)
2387                 sonypi_misc_device.minor = minor;
2388         error = misc_register(&sonypi_misc_device);
2389         if (error) {
2390                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2391                 goto err_free_kfifo;
2392         }
2393         if (minor == -1)
2394                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2395                        sonypi_misc_device.minor);
2396
2397         return 0;
2398
2399 err_free_kfifo:
2400         kfifo_free(sonypi_compat.fifo);
2401         return error;
2402 }
2403
2404 static void sonypi_compat_exit(void)
2405 {
2406         misc_deregister(&sonypi_misc_device);
2407         kfifo_free(sonypi_compat.fifo);
2408 }
2409 #else
2410 static int sonypi_compat_init(void) { return 0; }
2411 static void sonypi_compat_exit(void) { }
2412 static void sonypi_compat_report_event(u8 event) { }
2413 #endif /* CONFIG_SONYPI_COMPAT */
2414
2415 /*
2416  * ACPI callbacks
2417  */
2418 static acpi_status
2419 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2420 {
2421         u32 i;
2422         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2423
2424         switch (resource->type) {
2425         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2426                 {
2427                         /* start IO enumeration */
2428                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2429                         if (!ioport)
2430                                 return AE_ERROR;
2431
2432                         list_add(&ioport->list, &dev->ioports);
2433                         return AE_OK;
2434                 }
2435
2436         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2437                 /* end IO enumeration */
2438                 return AE_OK;
2439
2440         case ACPI_RESOURCE_TYPE_IRQ:
2441                 {
2442                         struct acpi_resource_irq *p = &resource->data.irq;
2443                         struct sony_pic_irq *interrupt = NULL;
2444                         if (!p || !p->interrupt_count) {
2445                                 /*
2446                                  * IRQ descriptors may have no IRQ# bits set,
2447                                  * particularly those those w/ _STA disabled
2448                                  */
2449                                 dprintk("Blank IRQ resource\n");
2450                                 return AE_OK;
2451                         }
2452                         for (i = 0; i < p->interrupt_count; i++) {
2453                                 if (!p->interrupts[i]) {
2454                                         printk(KERN_WARNING DRV_PFX
2455                                                         "Invalid IRQ %d\n",
2456                                                         p->interrupts[i]);
2457                                         continue;
2458                                 }
2459                                 interrupt = kzalloc(sizeof(*interrupt),
2460                                                 GFP_KERNEL);
2461                                 if (!interrupt)
2462                                         return AE_ERROR;
2463
2464                                 list_add(&interrupt->list, &dev->interrupts);
2465                                 interrupt->irq.triggering = p->triggering;
2466                                 interrupt->irq.polarity = p->polarity;
2467                                 interrupt->irq.sharable = p->sharable;
2468                                 interrupt->irq.interrupt_count = 1;
2469                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2470                         }
2471                         return AE_OK;
2472                 }
2473         case ACPI_RESOURCE_TYPE_IO:
2474                 {
2475                         struct acpi_resource_io *io = &resource->data.io;
2476                         struct sony_pic_ioport *ioport =
2477                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2478                         if (!io) {
2479                                 dprintk("Blank IO resource\n");
2480                                 return AE_OK;
2481                         }
2482
2483                         if (!ioport->io1.minimum) {
2484                                 memcpy(&ioport->io1, io, sizeof(*io));
2485                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2486                                                 ioport->io1.address_length);
2487                         }
2488                         else if (!ioport->io2.minimum) {
2489                                 memcpy(&ioport->io2, io, sizeof(*io));
2490                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2491                                                 ioport->io2.address_length);
2492                         }
2493                         else {
2494                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2495                                 return AE_ERROR;
2496                         }
2497                         return AE_OK;
2498                 }
2499         default:
2500                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2501                                 resource->type);
2502
2503         case ACPI_RESOURCE_TYPE_END_TAG:
2504                 return AE_OK;
2505         }
2506         return AE_CTRL_TERMINATE;
2507 }
2508
2509 static int sony_pic_possible_resources(struct acpi_device *device)
2510 {
2511         int result = 0;
2512         acpi_status status = AE_OK;
2513
2514         if (!device)
2515                 return -EINVAL;
2516
2517         /* get device status */
2518         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2519         dprintk("Evaluating _STA\n");
2520         result = acpi_bus_get_status(device);
2521         if (result) {
2522                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2523                 goto end;
2524         }
2525
2526         if (!device->status.enabled)
2527                 dprintk("Device disabled\n");
2528         else
2529                 dprintk("Device enabled\n");
2530
2531         /*
2532          * Query and parse 'method'
2533          */
2534         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2535         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2536                         sony_pic_read_possible_resource, &spic_dev);
2537         if (ACPI_FAILURE(status)) {
2538                 printk(KERN_WARNING DRV_PFX
2539                                 "Failure evaluating %s\n",
2540                                 METHOD_NAME__PRS);
2541                 result = -ENODEV;
2542         }
2543 end:
2544         return result;
2545 }
2546
2547 /*
2548  *  Disable the spic device by calling its _DIS method
2549  */
2550 static int sony_pic_disable(struct acpi_device *device)
2551 {
2552         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2553                                                NULL);
2554
2555         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2556                 return -ENXIO;
2557
2558         dprintk("Device disabled\n");
2559         return 0;
2560 }
2561
2562
2563 /*
2564  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2565  *
2566  *  Call _SRS to set current resources
2567  */
2568 static int sony_pic_enable(struct acpi_device *device,
2569                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2570 {
2571         acpi_status status;
2572         int result = 0;
2573         /* Type 1 resource layout is:
2574          *    IO
2575          *    IO
2576          *    IRQNoFlags
2577          *    End
2578          *
2579          * Type 2 and 3 resource layout is:
2580          *    IO
2581          *    IRQNoFlags
2582          *    End
2583          */
2584         struct {
2585                 struct acpi_resource res1;
2586                 struct acpi_resource res2;
2587                 struct acpi_resource res3;
2588                 struct acpi_resource res4;
2589         } *resource;
2590         struct acpi_buffer buffer = { 0, NULL };
2591
2592         if (!ioport || !irq)
2593                 return -EINVAL;
2594
2595         /* init acpi_buffer */
2596         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2597         if (!resource)
2598                 return -ENOMEM;
2599
2600         buffer.length = sizeof(*resource) + 1;
2601         buffer.pointer = resource;
2602
2603         /* setup Type 1 resources */
2604         if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2605
2606                 /* setup io resources */
2607                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2608                 resource->res1.length = sizeof(struct acpi_resource);
2609                 memcpy(&resource->res1.data.io, &ioport->io1,
2610                                 sizeof(struct acpi_resource_io));
2611
2612                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2613                 resource->res2.length = sizeof(struct acpi_resource);
2614                 memcpy(&resource->res2.data.io, &ioport->io2,
2615                                 sizeof(struct acpi_resource_io));
2616
2617                 /* setup irq resource */
2618                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2619                 resource->res3.length = sizeof(struct acpi_resource);
2620                 memcpy(&resource->res3.data.irq, &irq->irq,
2621                                 sizeof(struct acpi_resource_irq));
2622                 /* we requested a shared irq */
2623                 resource->res3.data.irq.sharable = ACPI_SHARED;
2624
2625                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2626
2627         }
2628         /* setup Type 2/3 resources */
2629         else {
2630                 /* setup io resource */
2631                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2632                 resource->res1.length = sizeof(struct acpi_resource);
2633                 memcpy(&resource->res1.data.io, &ioport->io1,
2634                                 sizeof(struct acpi_resource_io));
2635
2636                 /* setup irq resource */
2637                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2638                 resource->res2.length = sizeof(struct acpi_resource);
2639                 memcpy(&resource->res2.data.irq, &irq->irq,
2640                                 sizeof(struct acpi_resource_irq));
2641                 /* we requested a shared irq */
2642                 resource->res2.data.irq.sharable = ACPI_SHARED;
2643
2644                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2645         }
2646
2647         /* Attempt to set the resource */
2648         dprintk("Evaluating _SRS\n");
2649         status = acpi_set_current_resources(device->handle, &buffer);
2650
2651         /* check for total failure */
2652         if (ACPI_FAILURE(status)) {
2653                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2654                 result = -ENODEV;
2655                 goto end;
2656         }
2657
2658         /* Necessary device initializations calls (from sonypi) */
2659         sony_pic_call1(0x82);
2660         sony_pic_call2(0x81, 0xff);
2661         sony_pic_call1(compat ? 0x92 : 0x82);
2662
2663 end:
2664         kfree(resource);
2665         return result;
2666 }
2667
2668 /*****************
2669  *
2670  * ISR: some event is available
2671  *
2672  *****************/
2673 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2674 {
2675         int i, j;
2676         u8 ev = 0;
2677         u8 data_mask = 0;
2678         u8 device_event = 0;
2679
2680         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2681
2682         ev = inb_p(dev->cur_ioport->io1.minimum);
2683         if (dev->cur_ioport->io2.minimum)
2684                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2685         else
2686                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2687                                 dev->control->evport_offset);
2688
2689         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2690                         ev, data_mask, dev->cur_ioport->io1.minimum,
2691                         dev->control->evport_offset);
2692
2693         if (ev == 0x00 || ev == 0xff)
2694                 return IRQ_HANDLED;
2695
2696         for (i = 0; dev->control->event_types[i].mask; i++) {
2697
2698                 if ((data_mask & dev->control->event_types[i].data) !=
2699                     dev->control->event_types[i].data)
2700                         continue;
2701
2702                 if (!(mask & dev->control->event_types[i].mask))
2703                         continue;
2704
2705                 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2706                         if (ev == dev->control->event_types[i].events[j].data) {
2707                                 device_event =
2708                                         dev->control->
2709                                                 event_types[i].events[j].event;
2710                                 goto found;
2711                         }
2712                 }
2713         }
2714         /* Still not able to decode the event try to pass
2715          * it over to the minidriver
2716          */
2717         if (dev->control->handle_irq &&
2718                         dev->control->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->control->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                                 "Unabe 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                                 "Unabe 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_SHARED, "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         }
2988
2989         result = acpi_bus_register_driver(&sony_nc_driver);
2990         if (result) {
2991                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2992                 goto out_unregister_pic;
2993         }
2994
2995         return 0;
2996
2997 out_unregister_pic:
2998         if (!no_spic)
2999                 acpi_bus_unregister_driver(&sony_pic_driver);
3000 out:
3001         return result;
3002 }
3003
3004 static void __exit sony_laptop_exit(void)
3005 {
3006         acpi_bus_unregister_driver(&sony_nc_driver);
3007         if (!no_spic)
3008                 acpi_bus_unregister_driver(&sony_pic_driver);
3009 }
3010
3011 module_init(sony_laptop_init);
3012 module_exit(sony_laptop_exit);