sony-laptop: fix bogus error message display on resume
[linux-2.6.git] / drivers / platform / x86 / sony-laptop.c
1 /*
2  * ACPI Sony Notebook Control Driver (SNC and SPIC)
3  *
4  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5  * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6  *
7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8  * which are copyrighted by their respective authors.
9  *
10  * The SNY6001 driver part is based on the sonypi driver which includes
11  * material from:
12  *
13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14  *
15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16  *
17  * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
18  *
19  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20  *
21  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22  *
23  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24  *
25  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26  *
27  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28  *
29  * This program is free software; you can redistribute it and/or modify
30  * it under the terms of the GNU General Public License as published by
31  * the Free Software Foundation; either version 2 of the License, or
32  * (at your option) any later version.
33  *
34  * This program is distributed in the hope that it will be useful,
35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
37  * GNU General Public License for more details.
38  *
39  * You should have received a copy of the GNU General Public License
40  * along with this program; if not, write to the Free Software
41  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42  *
43  */
44
45 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/moduleparam.h>
48 #include <linux/init.h>
49 #include <linux/types.h>
50 #include <linux/backlight.h>
51 #include <linux/platform_device.h>
52 #include <linux/err.h>
53 #include <linux/dmi.h>
54 #include <linux/pci.h>
55 #include <linux/interrupt.h>
56 #include <linux/delay.h>
57 #include <linux/input.h>
58 #include <linux/kfifo.h>
59 #include <linux/workqueue.h>
60 #include <linux/acpi.h>
61 #include <acpi/acpi_drivers.h>
62 #include <acpi/acpi_bus.h>
63 #include <asm/uaccess.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #include <linux/rfkill.h>
67 #ifdef CONFIG_SONYPI_COMPAT
68 #include <linux/poll.h>
69 #include <linux/miscdevice.h>
70 #endif
71
72 #define DRV_PFX                 "sony-laptop: "
73 #define dprintk(msg...)         do {                    \
74         if (debug) printk(KERN_WARNING DRV_PFX  msg);   \
75 } while (0)
76
77 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
78
79 #define SONY_NC_CLASS           "sony-nc"
80 #define SONY_NC_HID             "SNY5001"
81 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
82
83 #define SONY_PIC_CLASS          "sony-pic"
84 #define SONY_PIC_HID            "SNY6001"
85 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
86
87 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
88 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
89 MODULE_LICENSE("GPL");
90 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
91
92 static int debug;
93 module_param(debug, int, 0);
94 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
95                  "the development of this driver");
96
97 static int no_spic;             /* = 0 */
98 module_param(no_spic, int, 0444);
99 MODULE_PARM_DESC(no_spic,
100                  "set this if you don't want to enable the SPIC device");
101
102 static int compat;              /* = 0 */
103 module_param(compat, int, 0444);
104 MODULE_PARM_DESC(compat,
105                  "set this if you want to enable backward compatibility mode");
106
107 static unsigned long mask = 0xffffffff;
108 module_param(mask, ulong, 0644);
109 MODULE_PARM_DESC(mask,
110                  "set this to the mask of event you want to enable (see doc)");
111
112 static int camera;              /* = 0 */
113 module_param(camera, int, 0444);
114 MODULE_PARM_DESC(camera,
115                  "set this to 1 to enable Motion Eye camera controls "
116                  "(only use it if you have a C1VE or C1VN model)");
117
118 #ifdef CONFIG_SONYPI_COMPAT
119 static int minor = -1;
120 module_param(minor, int, 0);
121 MODULE_PARM_DESC(minor,
122                  "minor number of the misc device for the SPIC compatibility code, "
123                  "default is -1 (automatic)");
124 #endif
125
126 enum sony_nc_rfkill {
127         SONY_WIFI,
128         SONY_BLUETOOTH,
129         SONY_WWAN,
130         SONY_WIMAX,
131         SONY_RFKILL_MAX,
132 };
133
134 static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
135 static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
136 static void sony_nc_rfkill_update(void);
137
138 /*********** Input Devices ***********/
139
140 #define SONY_LAPTOP_BUF_SIZE    128
141 struct sony_laptop_input_s {
142         atomic_t                users;
143         struct input_dev        *jog_dev;
144         struct input_dev        *key_dev;
145         struct kfifo            *fifo;
146         spinlock_t              fifo_lock;
147         struct workqueue_struct *wq;
148 };
149
150 static struct sony_laptop_input_s sony_laptop_input = {
151         .users = ATOMIC_INIT(0),
152 };
153
154 struct sony_laptop_keypress {
155         struct input_dev *dev;
156         int key;
157 };
158
159 /* Correspondance table between sonypi events
160  * and input layer indexes in the keymap
161  */
162 static int sony_laptop_input_index[] = {
163         -1,     /*  0 no event */
164         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
165         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
166         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
167         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
168         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
169         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
170          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
171          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
172          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
173          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
174          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
175          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
176          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
177          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
178          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
179          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
180         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
181         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
182         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
183         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
184         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
185         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
186         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
187         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
188         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
189         19,     /* 26 SONYPI_EVENT_FNKEY_D */
190         20,     /* 27 SONYPI_EVENT_FNKEY_E */
191         21,     /* 28 SONYPI_EVENT_FNKEY_F */
192         22,     /* 29 SONYPI_EVENT_FNKEY_S */
193         23,     /* 30 SONYPI_EVENT_FNKEY_B */
194         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
195         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
196         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
197         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
198         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
199         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
200         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
201         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
202         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
203         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
204         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
205         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
206         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
207         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
208         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
209         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
210         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
211         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
212         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
213         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
214         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
215         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
216         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
217         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
218         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
219         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
220         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
221         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
222         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
223         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
224         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
225         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
226         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
227         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
228         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
229         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
230         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
231         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
232         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
233         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
234         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
235 };
236
237 static int sony_laptop_input_keycode_map[] = {
238         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
239         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
240         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
241         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
242         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
243         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
244         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
245         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
246         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
247         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
248         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
249         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
250         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
251         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
252         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
253         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
254         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
255         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
256         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
257         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
258         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
259         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
260         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
261         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
262         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
263         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
264         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
265         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
266         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
267         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
268         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
269         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
270         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
271         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
272         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
273         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
274         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
275         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
276         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
277         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
278         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
279         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
280         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
281         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
282         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
283         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
284         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
285         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
286         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
287         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
288         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
289         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
290         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
291         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
292         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
293         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
294         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
295         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
296 };
297
298 /* release buttons after a short delay if pressed */
299 static void do_sony_laptop_release_key(struct work_struct *work)
300 {
301         struct sony_laptop_keypress kp;
302
303         while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
304                          sizeof(kp)) == sizeof(kp)) {
305                 msleep(10);
306                 input_report_key(kp.dev, kp.key, 0);
307                 input_sync(kp.dev);
308         }
309 }
310 static DECLARE_WORK(sony_laptop_release_key_work,
311                 do_sony_laptop_release_key);
312
313 /* forward event to the input subsystem */
314 static void sony_laptop_report_input_event(u8 event)
315 {
316         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
317         struct input_dev *key_dev = sony_laptop_input.key_dev;
318         struct sony_laptop_keypress kp = { NULL };
319
320         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
321                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
322                 /* Nothing, not all VAIOs generate this event */
323                 return;
324         }
325
326         /* report events */
327         switch (event) {
328         /* jog_dev events */
329         case SONYPI_EVENT_JOGDIAL_UP:
330         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
331                 input_report_rel(jog_dev, REL_WHEEL, 1);
332                 input_sync(jog_dev);
333                 return;
334
335         case SONYPI_EVENT_JOGDIAL_DOWN:
336         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
337                 input_report_rel(jog_dev, REL_WHEEL, -1);
338                 input_sync(jog_dev);
339                 return;
340
341         /* key_dev events */
342         case SONYPI_EVENT_JOGDIAL_PRESSED:
343                 kp.key = BTN_MIDDLE;
344                 kp.dev = jog_dev;
345                 break;
346
347         default:
348                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
349                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
350                         break;
351                 }
352                 if (sony_laptop_input_index[event] != -1) {
353                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
354                         if (kp.key != KEY_UNKNOWN)
355                                 kp.dev = key_dev;
356                 }
357                 break;
358         }
359
360         if (kp.dev) {
361                 input_report_key(kp.dev, kp.key, 1);
362                 /* we emit the scancode so we can always remap the key */
363                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
364                 input_sync(kp.dev);
365                 kfifo_put(sony_laptop_input.fifo,
366                           (unsigned char *)&kp, sizeof(kp));
367
368                 if (!work_pending(&sony_laptop_release_key_work))
369                         queue_work(sony_laptop_input.wq,
370                                         &sony_laptop_release_key_work);
371         } else
372                 dprintk("unknown input event %.2x\n", event);
373 }
374
375 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
376 {
377         struct input_dev *jog_dev;
378         struct input_dev *key_dev;
379         int i;
380         int error;
381
382         /* don't run again if already initialized */
383         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
384                 return 0;
385
386         /* kfifo */
387         spin_lock_init(&sony_laptop_input.fifo_lock);
388         sony_laptop_input.fifo =
389                 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
390                             &sony_laptop_input.fifo_lock);
391         if (IS_ERR(sony_laptop_input.fifo)) {
392                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
393                 error = PTR_ERR(sony_laptop_input.fifo);
394                 goto err_dec_users;
395         }
396
397         /* init workqueue */
398         sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
399         if (!sony_laptop_input.wq) {
400                 printk(KERN_ERR DRV_PFX
401                                 "Unable to create workqueue.\n");
402                 error = -ENXIO;
403                 goto err_free_kfifo;
404         }
405
406         /* input keys */
407         key_dev = input_allocate_device();
408         if (!key_dev) {
409                 error = -ENOMEM;
410                 goto err_destroy_wq;
411         }
412
413         key_dev->name = "Sony Vaio Keys";
414         key_dev->id.bustype = BUS_ISA;
415         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
416         key_dev->dev.parent = &acpi_device->dev;
417
418         /* Initialize the Input Drivers: special keys */
419         set_bit(EV_KEY, key_dev->evbit);
420         set_bit(EV_MSC, key_dev->evbit);
421         set_bit(MSC_SCAN, key_dev->mscbit);
422         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
423         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
424         key_dev->keycode = &sony_laptop_input_keycode_map;
425         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
426                 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
427                         set_bit(sony_laptop_input_keycode_map[i],
428                                 key_dev->keybit);
429                 }
430         }
431
432         error = input_register_device(key_dev);
433         if (error)
434                 goto err_free_keydev;
435
436         sony_laptop_input.key_dev = key_dev;
437
438         /* jogdial */
439         jog_dev = input_allocate_device();
440         if (!jog_dev) {
441                 error = -ENOMEM;
442                 goto err_unregister_keydev;
443         }
444
445         jog_dev->name = "Sony Vaio Jogdial";
446         jog_dev->id.bustype = BUS_ISA;
447         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
448         key_dev->dev.parent = &acpi_device->dev;
449
450         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
451         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
452         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
453
454         error = input_register_device(jog_dev);
455         if (error)
456                 goto err_free_jogdev;
457
458         sony_laptop_input.jog_dev = jog_dev;
459
460         return 0;
461
462 err_free_jogdev:
463         input_free_device(jog_dev);
464
465 err_unregister_keydev:
466         input_unregister_device(key_dev);
467         /* to avoid kref underflow below at input_free_device */
468         key_dev = NULL;
469
470 err_free_keydev:
471         input_free_device(key_dev);
472
473 err_destroy_wq:
474         destroy_workqueue(sony_laptop_input.wq);
475
476 err_free_kfifo:
477         kfifo_free(sony_laptop_input.fifo);
478
479 err_dec_users:
480         atomic_dec(&sony_laptop_input.users);
481         return error;
482 }
483
484 static void sony_laptop_remove_input(void)
485 {
486         /* cleanup only after the last user has gone */
487         if (!atomic_dec_and_test(&sony_laptop_input.users))
488                 return;
489
490         /* flush workqueue first */
491         flush_workqueue(sony_laptop_input.wq);
492
493         /* destroy input devs */
494         input_unregister_device(sony_laptop_input.key_dev);
495         sony_laptop_input.key_dev = NULL;
496
497         if (sony_laptop_input.jog_dev) {
498                 input_unregister_device(sony_laptop_input.jog_dev);
499                 sony_laptop_input.jog_dev = NULL;
500         }
501
502         destroy_workqueue(sony_laptop_input.wq);
503         kfifo_free(sony_laptop_input.fifo);
504 }
505
506 /*********** Platform Device ***********/
507
508 static atomic_t sony_pf_users = ATOMIC_INIT(0);
509 static struct platform_driver sony_pf_driver = {
510         .driver = {
511                    .name = "sony-laptop",
512                    .owner = THIS_MODULE,
513                    }
514 };
515 static struct platform_device *sony_pf_device;
516
517 static int sony_pf_add(void)
518 {
519         int ret = 0;
520
521         /* don't run again if already initialized */
522         if (atomic_add_return(1, &sony_pf_users) > 1)
523                 return 0;
524
525         ret = platform_driver_register(&sony_pf_driver);
526         if (ret)
527                 goto out;
528
529         sony_pf_device = platform_device_alloc("sony-laptop", -1);
530         if (!sony_pf_device) {
531                 ret = -ENOMEM;
532                 goto out_platform_registered;
533         }
534
535         ret = platform_device_add(sony_pf_device);
536         if (ret)
537                 goto out_platform_alloced;
538
539         return 0;
540
541       out_platform_alloced:
542         platform_device_put(sony_pf_device);
543         sony_pf_device = NULL;
544       out_platform_registered:
545         platform_driver_unregister(&sony_pf_driver);
546       out:
547         atomic_dec(&sony_pf_users);
548         return ret;
549 }
550
551 static void sony_pf_remove(void)
552 {
553         /* deregister only after the last user has gone */
554         if (!atomic_dec_and_test(&sony_pf_users))
555                 return;
556
557         platform_device_del(sony_pf_device);
558         platform_device_put(sony_pf_device);
559         platform_driver_unregister(&sony_pf_driver);
560 }
561
562 /*********** SNC (SNY5001) Device ***********/
563
564 /* the device uses 1-based values, while the backlight subsystem uses
565    0-based values */
566 #define SONY_MAX_BRIGHTNESS     8
567
568 #define SNC_VALIDATE_IN         0
569 #define SNC_VALIDATE_OUT        1
570
571 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
572                               char *);
573 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
574                                const char *, size_t);
575 static int boolean_validate(const int, const int);
576 static int brightness_default_validate(const int, const int);
577
578 struct sony_nc_value {
579         char *name;             /* name of the entry */
580         char **acpiget;         /* names of the ACPI get function */
581         char **acpiset;         /* names of the ACPI set function */
582         int (*validate)(const int, const int);  /* input/output validation */
583         int value;              /* current setting */
584         int valid;              /* Has ever been set */
585         int debug;              /* active only in debug mode ? */
586         struct device_attribute devattr;        /* sysfs atribute */
587 };
588
589 #define SNC_HANDLE_NAMES(_name, _values...) \
590         static char *snc_##_name[] = { _values, NULL }
591
592 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
593         { \
594                 .name           = __stringify(_name), \
595                 .acpiget        = _getters, \
596                 .acpiset        = _setters, \
597                 .validate       = _validate, \
598                 .debug          = _debug, \
599                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
600         }
601
602 #define SNC_HANDLE_NULL { .name = NULL }
603
604 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
605
606 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
607 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
608
609 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
610 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
611
612 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
613 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
614
615 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
616 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
617
618 SNC_HANDLE_NAMES(lidstate_get, "GLID");
619
620 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
621 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
622
623 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
624 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
625
626 SNC_HANDLE_NAMES(PID_get, "GPID");
627
628 SNC_HANDLE_NAMES(CTR_get, "GCTR");
629 SNC_HANDLE_NAMES(CTR_set, "SCTR");
630
631 SNC_HANDLE_NAMES(PCR_get, "GPCR");
632 SNC_HANDLE_NAMES(PCR_set, "SPCR");
633
634 SNC_HANDLE_NAMES(CMI_get, "GCMI");
635 SNC_HANDLE_NAMES(CMI_set, "SCMI");
636
637 static struct sony_nc_value sony_nc_values[] = {
638         SNC_HANDLE(brightness_default, snc_brightness_def_get,
639                         snc_brightness_def_set, brightness_default_validate, 0),
640         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
641         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
642         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
643                         boolean_validate, 0),
644         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
645                         boolean_validate, 1),
646         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
647                         boolean_validate, 0),
648         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
649                         boolean_validate, 0),
650         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
651                         boolean_validate, 0),
652         /* unknown methods */
653         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
654         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
655         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
656         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
657         SNC_HANDLE_NULL
658 };
659
660 static acpi_handle sony_nc_acpi_handle;
661 static struct acpi_device *sony_nc_acpi_device = NULL;
662
663 /*
664  * acpi_evaluate_object wrappers
665  */
666 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
667 {
668         struct acpi_buffer output;
669         union acpi_object out_obj;
670         acpi_status status;
671
672         output.length = sizeof(out_obj);
673         output.pointer = &out_obj;
674
675         status = acpi_evaluate_object(handle, name, NULL, &output);
676         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
677                 *result = out_obj.integer.value;
678                 return 0;
679         }
680
681         printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
682
683         return -1;
684 }
685
686 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
687                             int *result)
688 {
689         struct acpi_object_list params;
690         union acpi_object in_obj;
691         struct acpi_buffer output;
692         union acpi_object out_obj;
693         acpi_status status;
694
695         params.count = 1;
696         params.pointer = &in_obj;
697         in_obj.type = ACPI_TYPE_INTEGER;
698         in_obj.integer.value = value;
699
700         output.length = sizeof(out_obj);
701         output.pointer = &out_obj;
702
703         status = acpi_evaluate_object(handle, name, &params, &output);
704         if (status == AE_OK) {
705                 if (result != NULL) {
706                         if (out_obj.type != ACPI_TYPE_INTEGER) {
707                                 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
708                                        "return type\n");
709                                 return -1;
710                         }
711                         *result = out_obj.integer.value;
712                 }
713                 return 0;
714         }
715
716         printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
717
718         return -1;
719 }
720
721 static int sony_find_snc_handle(int handle)
722 {
723         int i;
724         int result;
725
726         for (i = 0x20; i < 0x30; i++) {
727                 acpi_callsetfunc(sony_nc_acpi_handle, "SN00", i, &result);
728                 if (result == handle)
729                         return i-0x20;
730         }
731
732         return -1;
733 }
734
735 static int sony_call_snc_handle(int handle, int argument, int *result)
736 {
737         int offset = sony_find_snc_handle(handle);
738
739         if (offset < 0)
740                 return -1;
741
742         return acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
743                                 result);
744 }
745
746 /*
747  * sony_nc_values input/output validate functions
748  */
749
750 /* brightness_default_validate:
751  *
752  * manipulate input output values to keep consistency with the
753  * backlight framework for which brightness values are 0-based.
754  */
755 static int brightness_default_validate(const int direction, const int value)
756 {
757         switch (direction) {
758                 case SNC_VALIDATE_OUT:
759                         return value - 1;
760                 case SNC_VALIDATE_IN:
761                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
762                                 return value + 1;
763         }
764         return -EINVAL;
765 }
766
767 /* boolean_validate:
768  *
769  * on input validate boolean values 0/1, on output just pass the
770  * received value.
771  */
772 static int boolean_validate(const int direction, const int value)
773 {
774         if (direction == SNC_VALIDATE_IN) {
775                 if (value != 0 && value != 1)
776                         return -EINVAL;
777         }
778         return value;
779 }
780
781 /*
782  * Sysfs show/store common to all sony_nc_values
783  */
784 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
785                               char *buffer)
786 {
787         int value;
788         struct sony_nc_value *item =
789             container_of(attr, struct sony_nc_value, devattr);
790
791         if (!*item->acpiget)
792                 return -EIO;
793
794         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
795                 return -EIO;
796
797         if (item->validate)
798                 value = item->validate(SNC_VALIDATE_OUT, value);
799
800         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
801 }
802
803 static ssize_t sony_nc_sysfs_store(struct device *dev,
804                                struct device_attribute *attr,
805                                const char *buffer, size_t count)
806 {
807         int value;
808         struct sony_nc_value *item =
809             container_of(attr, struct sony_nc_value, devattr);
810
811         if (!item->acpiset)
812                 return -EIO;
813
814         if (count > 31)
815                 return -EINVAL;
816
817         value = simple_strtoul(buffer, NULL, 10);
818
819         if (item->validate)
820                 value = item->validate(SNC_VALIDATE_IN, value);
821
822         if (value < 0)
823                 return value;
824
825         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
826                 return -EIO;
827         item->value = value;
828         item->valid = 1;
829         return count;
830 }
831
832
833 /*
834  * Backlight device
835  */
836 static int sony_backlight_update_status(struct backlight_device *bd)
837 {
838         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
839                                 bd->props.brightness + 1, NULL);
840 }
841
842 static int sony_backlight_get_brightness(struct backlight_device *bd)
843 {
844         int value;
845
846         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
847                 return 0;
848         /* brightness levels are 1-based, while backlight ones are 0-based */
849         return value - 1;
850 }
851
852 static struct backlight_device *sony_backlight_device;
853 static struct backlight_ops sony_backlight_ops = {
854         .update_status = sony_backlight_update_status,
855         .get_brightness = sony_backlight_get_brightness,
856 };
857
858 /*
859  * New SNC-only Vaios event mapping to driver known keys
860  */
861 struct sony_nc_event {
862         u8      data;
863         u8      event;
864 };
865
866 static struct sony_nc_event sony_100_events[] = {
867         { 0x90, SONYPI_EVENT_PKEY_P1 },
868         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
869         { 0x91, SONYPI_EVENT_PKEY_P2 },
870         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
871         { 0x81, SONYPI_EVENT_FNKEY_F1 },
872         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
873         { 0x82, SONYPI_EVENT_FNKEY_F2 },
874         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
875         { 0x83, SONYPI_EVENT_FNKEY_F3 },
876         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
877         { 0x84, SONYPI_EVENT_FNKEY_F4 },
878         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
879         { 0x85, SONYPI_EVENT_FNKEY_F5 },
880         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
881         { 0x86, SONYPI_EVENT_FNKEY_F6 },
882         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
883         { 0x87, SONYPI_EVENT_FNKEY_F7 },
884         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
885         { 0x89, SONYPI_EVENT_FNKEY_F9 },
886         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
887         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
888         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
889         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
890         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
891         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
892         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
893         { 0, 0 },
894 };
895
896 static struct sony_nc_event sony_127_events[] = {
897         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
898         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
899         { 0x82, SONYPI_EVENT_PKEY_P1 },
900         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
901         { 0x83, SONYPI_EVENT_PKEY_P2 },
902         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
903         { 0x84, SONYPI_EVENT_PKEY_P3 },
904         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
905         { 0x85, SONYPI_EVENT_PKEY_P4 },
906         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
907         { 0x86, SONYPI_EVENT_PKEY_P5 },
908         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
909         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
910         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
911         { 0, 0 },
912 };
913
914 /*
915  * ACPI callbacks
916  */
917 static void sony_nc_notify(struct acpi_device *device, u32 event)
918 {
919         u32 ev = event;
920
921         if (ev >= 0x90) {
922                 /* New-style event */
923                 int result;
924                 int key_handle = 0;
925                 ev -= 0x90;
926
927                 if (sony_find_snc_handle(0x100) == ev)
928                         key_handle = 0x100;
929                 if (sony_find_snc_handle(0x127) == ev)
930                         key_handle = 0x127;
931
932                 if (key_handle) {
933                         struct sony_nc_event *key_event;
934
935                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
936                                 dprintk("sony_nc_notify, unable to decode"
937                                         " event 0x%.2x 0x%.2x\n", key_handle,
938                                         ev);
939                                 /* restore the original event */
940                                 ev = event;
941                         } else {
942                                 ev = result & 0xFF;
943
944                                 if (key_handle == 0x100)
945                                         key_event = sony_100_events;
946                                 else
947                                         key_event = sony_127_events;
948
949                                 for (; key_event->data; key_event++) {
950                                         if (key_event->data == ev) {
951                                                 ev = key_event->event;
952                                                 break;
953                                         }
954                                 }
955
956                                 if (!key_event->data)
957                                         printk(KERN_INFO DRV_PFX
958                                                         "Unknown event: 0x%x 0x%x\n",
959                                                         key_handle,
960                                                         ev);
961                                 else
962                                         sony_laptop_report_input_event(ev);
963                         }
964                 } else if (sony_find_snc_handle(0x124) == ev) {
965                         sony_nc_rfkill_update();
966                         return;
967                 }
968         } else
969                 sony_laptop_report_input_event(ev);
970
971         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
972         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
973 }
974
975 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
976                                       void *context, void **return_value)
977 {
978         struct acpi_device_info *info;
979         struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
980
981         if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {
982                 info = buffer.pointer;
983
984                 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",
985                         (char *)&info->name, info->param_count);
986
987                 kfree(buffer.pointer);
988         }
989
990         return AE_OK;
991 }
992
993 /*
994  * ACPI device
995  */
996 static int sony_nc_function_setup(struct acpi_device *device)
997 {
998         int result;
999
1000         /* Enable all events */
1001         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1002
1003         /* Setup hotkeys */
1004         sony_call_snc_handle(0x0100, 0, &result);
1005         sony_call_snc_handle(0x0101, 0, &result);
1006         sony_call_snc_handle(0x0102, 0x100, &result);
1007         sony_call_snc_handle(0x0127, 0, &result);
1008
1009         return 0;
1010 }
1011
1012 static int sony_nc_resume(struct acpi_device *device)
1013 {
1014         struct sony_nc_value *item;
1015         acpi_handle handle;
1016
1017         for (item = sony_nc_values; item->name; item++) {
1018                 int ret;
1019
1020                 if (!item->valid)
1021                         continue;
1022                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1023                                        item->value, NULL);
1024                 if (ret < 0) {
1025                         printk("%s: %d\n", __func__, ret);
1026                         break;
1027                 }
1028         }
1029
1030         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1031                                          &handle))) {
1032                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1033                         dprintk("ECON Method failed\n");
1034         }
1035
1036         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1037                                          &handle))) {
1038                 dprintk("Doing SNC setup\n");
1039                 sony_nc_function_setup(device);
1040         }
1041
1042         /* set the last requested brightness level */
1043         if (sony_backlight_device &&
1044                         sony_backlight_update_status(sony_backlight_device) < 0)
1045                 printk(KERN_WARNING DRV_PFX "unable to restore brightness level\n");
1046
1047         return 0;
1048 }
1049
1050 static void sony_nc_rfkill_cleanup(void)
1051 {
1052         int i;
1053
1054         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1055                 if (sony_rfkill_devices[i])
1056                         rfkill_unregister(sony_rfkill_devices[i]);
1057         }
1058 }
1059
1060 static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
1061 {
1062         int result;
1063         int argument = sony_rfkill_address[(long) data];
1064
1065         sony_call_snc_handle(0x124, 0x200, &result);
1066         if (result & 0x1) {
1067                 sony_call_snc_handle(0x124, argument, &result);
1068                 if (result & 0xf)
1069                         *state = RFKILL_STATE_UNBLOCKED;
1070                 else
1071                         *state = RFKILL_STATE_SOFT_BLOCKED;
1072         } else {
1073                 *state = RFKILL_STATE_HARD_BLOCKED;
1074         }
1075
1076         return 0;
1077 }
1078
1079 static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
1080 {
1081         int result;
1082         int argument = sony_rfkill_address[(long) data] + 0x100;
1083
1084         if (state == RFKILL_STATE_UNBLOCKED)
1085                 argument |= 0xff0000;
1086
1087         return sony_call_snc_handle(0x124, argument, &result);
1088 }
1089
1090 static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
1091 {
1092         int err = 0;
1093         struct rfkill *sony_wifi_rfkill;
1094
1095         sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
1096         if (!sony_wifi_rfkill)
1097                 return -1;
1098         sony_wifi_rfkill->name = "sony-wifi";
1099         sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
1100         sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
1101         sony_wifi_rfkill->user_claim_unsupported = 1;
1102         sony_wifi_rfkill->data = (void *)SONY_WIFI;
1103         err = rfkill_register(sony_wifi_rfkill);
1104         if (err)
1105                 rfkill_free(sony_wifi_rfkill);
1106         else
1107                 sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
1108         return err;
1109 }
1110
1111 static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
1112 {
1113         int err = 0;
1114         struct rfkill *sony_bluetooth_rfkill;
1115
1116         sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
1117                                                 RFKILL_TYPE_BLUETOOTH);
1118         if (!sony_bluetooth_rfkill)
1119                 return -1;
1120         sony_bluetooth_rfkill->name = "sony-bluetooth";
1121         sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
1122         sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
1123         sony_bluetooth_rfkill->user_claim_unsupported = 1;
1124         sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
1125         err = rfkill_register(sony_bluetooth_rfkill);
1126         if (err)
1127                 rfkill_free(sony_bluetooth_rfkill);
1128         else
1129                 sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
1130         return err;
1131 }
1132
1133 static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
1134 {
1135         int err = 0;
1136         struct rfkill *sony_wwan_rfkill;
1137
1138         sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
1139         if (!sony_wwan_rfkill)
1140                 return -1;
1141         sony_wwan_rfkill->name = "sony-wwan";
1142         sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
1143         sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
1144         sony_wwan_rfkill->user_claim_unsupported = 1;
1145         sony_wwan_rfkill->data = (void *)SONY_WWAN;
1146         err = rfkill_register(sony_wwan_rfkill);
1147         if (err)
1148                 rfkill_free(sony_wwan_rfkill);
1149         else
1150                 sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
1151         return err;
1152 }
1153
1154 static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
1155 {
1156         int err = 0;
1157         struct rfkill *sony_wimax_rfkill;
1158
1159         sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
1160         if (!sony_wimax_rfkill)
1161                 return -1;
1162         sony_wimax_rfkill->name = "sony-wimax";
1163         sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
1164         sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
1165         sony_wimax_rfkill->user_claim_unsupported = 1;
1166         sony_wimax_rfkill->data = (void *)SONY_WIMAX;
1167         err = rfkill_register(sony_wimax_rfkill);
1168         if (err)
1169                 rfkill_free(sony_wimax_rfkill);
1170         else
1171                 sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
1172         return err;
1173 }
1174
1175 static void sony_nc_rfkill_update()
1176 {
1177         int i;
1178         enum rfkill_state state;
1179
1180         for (i = 0; i < SONY_RFKILL_MAX; i++) {
1181                 if (sony_rfkill_devices[i]) {
1182                         sony_rfkill_devices[i]->
1183                                 get_state(sony_rfkill_devices[i]->data,
1184                                           &state);
1185                         rfkill_force_state(sony_rfkill_devices[i], state);
1186                 }
1187         }
1188 }
1189
1190 static int sony_nc_rfkill_setup(struct acpi_device *device)
1191 {
1192         int result, ret;
1193
1194         if (sony_find_snc_handle(0x124) == -1)
1195                 return -1;
1196
1197         ret = sony_call_snc_handle(0x124, 0xb00, &result);
1198         if (ret) {
1199                 printk(KERN_INFO DRV_PFX
1200                        "Unable to enumerate rfkill devices: %x\n", ret);
1201                 return ret;
1202         }
1203
1204         if (result & 0x1)
1205                 sony_nc_setup_wifi_rfkill(device);
1206         if (result & 0x2)
1207                 sony_nc_setup_bluetooth_rfkill(device);
1208         if (result & 0x1c)
1209                 sony_nc_setup_wwan_rfkill(device);
1210         if (result & 0x20)
1211                 sony_nc_setup_wimax_rfkill(device);
1212
1213         return 0;
1214 }
1215
1216 static int sony_nc_add(struct acpi_device *device)
1217 {
1218         acpi_status status;
1219         int result = 0;
1220         acpi_handle handle;
1221         struct sony_nc_value *item;
1222
1223         printk(KERN_INFO DRV_PFX "%s v%s.\n",
1224                 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
1225
1226         sony_nc_acpi_device = device;
1227         strcpy(acpi_device_class(device), "sony/hotkey");
1228
1229         sony_nc_acpi_handle = device->handle;
1230
1231         /* read device status */
1232         result = acpi_bus_get_status(device);
1233         /* bail IFF the above call was successful and the device is not present */
1234         if (!result && !device->status.present) {
1235                 dprintk("Device not present\n");
1236                 result = -ENODEV;
1237                 goto outwalk;
1238         }
1239
1240         if (debug) {
1241                 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1242                                              1, sony_walk_callback, NULL, NULL);
1243                 if (ACPI_FAILURE(status)) {
1244                         printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
1245                         result = -ENODEV;
1246                         goto outwalk;
1247                 }
1248         }
1249
1250         /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1251          * should be respected as we already checked for the device presence above */
1252         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1253                 dprintk("Invoking _INI\n");
1254                 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1255                                                 NULL, NULL)))
1256                         dprintk("_INI Method failed\n");
1257         }
1258
1259         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1260                                          &handle))) {
1261                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1262                         dprintk("ECON Method failed\n");
1263         }
1264
1265         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1266                                          &handle))) {
1267                 dprintk("Doing SNC setup\n");
1268                 sony_nc_function_setup(device);
1269                 sony_nc_rfkill_setup(device);
1270         }
1271
1272         /* setup input devices and helper fifo */
1273         result = sony_laptop_setup_input(device);
1274         if (result) {
1275                 printk(KERN_ERR DRV_PFX
1276                                 "Unable to create input devices.\n");
1277                 goto outwalk;
1278         }
1279
1280         if (acpi_video_backlight_support()) {
1281                 printk(KERN_INFO DRV_PFX "brightness ignored, must be "
1282                        "controlled by ACPI video driver\n");
1283         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1284                                                 &handle))) {
1285                 sony_backlight_device = backlight_device_register("sony", NULL,
1286                                                                   NULL,
1287                                                                   &sony_backlight_ops);
1288
1289                 if (IS_ERR(sony_backlight_device)) {
1290                         printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1291                         sony_backlight_device = NULL;
1292                 } else {
1293                         sony_backlight_device->props.brightness =
1294                             sony_backlight_get_brightness
1295                             (sony_backlight_device);
1296                         sony_backlight_device->props.max_brightness =
1297                             SONY_MAX_BRIGHTNESS - 1;
1298                 }
1299
1300         }
1301
1302         result = sony_pf_add();
1303         if (result)
1304                 goto outbacklight;
1305
1306         /* create sony_pf sysfs attributes related to the SNC device */
1307         for (item = sony_nc_values; item->name; ++item) {
1308
1309                 if (!debug && item->debug)
1310                         continue;
1311
1312                 /* find the available acpiget as described in the DSDT */
1313                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1314                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1315                                                          *item->acpiget,
1316                                                          &handle))) {
1317                                 dprintk("Found %s getter: %s\n",
1318                                                 item->name, *item->acpiget);
1319                                 item->devattr.attr.mode |= S_IRUGO;
1320                                 break;
1321                         }
1322                 }
1323
1324                 /* find the available acpiset as described in the DSDT */
1325                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1326                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1327                                                          *item->acpiset,
1328                                                          &handle))) {
1329                                 dprintk("Found %s setter: %s\n",
1330                                                 item->name, *item->acpiset);
1331                                 item->devattr.attr.mode |= S_IWUSR;
1332                                 break;
1333                         }
1334                 }
1335
1336                 if (item->devattr.attr.mode != 0) {
1337                         result =
1338                             device_create_file(&sony_pf_device->dev,
1339                                                &item->devattr);
1340                         if (result)
1341                                 goto out_sysfs;
1342                 }
1343         }
1344
1345         return 0;
1346
1347       out_sysfs:
1348         for (item = sony_nc_values; item->name; ++item) {
1349                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1350         }
1351         sony_pf_remove();
1352
1353       outbacklight:
1354         if (sony_backlight_device)
1355                 backlight_device_unregister(sony_backlight_device);
1356
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         struct sony_nc_value *item;
1367
1368         if (sony_backlight_device)
1369                 backlight_device_unregister(sony_backlight_device);
1370
1371         sony_nc_acpi_device = NULL;
1372
1373         for (item = sony_nc_values; item->name; ++item) {
1374                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1375         }
1376
1377         sony_pf_remove();
1378         sony_laptop_remove_input();
1379         sony_nc_rfkill_cleanup();
1380         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1381
1382         return 0;
1383 }
1384
1385 static const struct acpi_device_id sony_device_ids[] = {
1386         {SONY_NC_HID, 0},
1387         {SONY_PIC_HID, 0},
1388         {"", 0},
1389 };
1390 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1391
1392 static const struct acpi_device_id sony_nc_device_ids[] = {
1393         {SONY_NC_HID, 0},
1394         {"", 0},
1395 };
1396
1397 static struct acpi_driver sony_nc_driver = {
1398         .name = SONY_NC_DRIVER_NAME,
1399         .class = SONY_NC_CLASS,
1400         .ids = sony_nc_device_ids,
1401         .owner = THIS_MODULE,
1402         .ops = {
1403                 .add = sony_nc_add,
1404                 .remove = sony_nc_remove,
1405                 .resume = sony_nc_resume,
1406                 .notify = sony_nc_notify,
1407                 },
1408 };
1409
1410 /*********** SPIC (SNY6001) Device ***********/
1411
1412 #define SONYPI_DEVICE_TYPE1     0x00000001
1413 #define SONYPI_DEVICE_TYPE2     0x00000002
1414 #define SONYPI_DEVICE_TYPE3     0x00000004
1415 #define SONYPI_DEVICE_TYPE4     0x00000008
1416
1417 #define SONYPI_TYPE1_OFFSET     0x04
1418 #define SONYPI_TYPE2_OFFSET     0x12
1419 #define SONYPI_TYPE3_OFFSET     0x12
1420
1421 struct sony_pic_ioport {
1422         struct acpi_resource_io io1;
1423         struct acpi_resource_io io2;
1424         struct list_head        list;
1425 };
1426
1427 struct sony_pic_irq {
1428         struct acpi_resource_irq        irq;
1429         struct list_head                list;
1430 };
1431
1432 struct sonypi_eventtypes {
1433         u8                      data;
1434         unsigned long           mask;
1435         struct sonypi_event     *events;
1436 };
1437
1438 struct device_ctrl {
1439         int                             model;
1440         int                             (*handle_irq)(const u8, const u8);
1441         u16                             evport_offset;
1442         u8                              has_camera;
1443         u8                              has_bluetooth;
1444         u8                              has_wwan;
1445         struct sonypi_eventtypes        *event_types;
1446 };
1447
1448 struct sony_pic_dev {
1449         struct device_ctrl      *control;
1450         struct acpi_device      *acpi_dev;
1451         struct sony_pic_irq     *cur_irq;
1452         struct sony_pic_ioport  *cur_ioport;
1453         struct list_head        interrupts;
1454         struct list_head        ioports;
1455         struct mutex            lock;
1456         u8                      camera_power;
1457         u8                      bluetooth_power;
1458         u8                      wwan_power;
1459 };
1460
1461 static struct sony_pic_dev spic_dev = {
1462         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1463         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1464 };
1465
1466 /* Event masks */
1467 #define SONYPI_JOGGER_MASK                      0x00000001
1468 #define SONYPI_CAPTURE_MASK                     0x00000002
1469 #define SONYPI_FNKEY_MASK                       0x00000004
1470 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1471 #define SONYPI_PKEY_MASK                        0x00000010
1472 #define SONYPI_BACK_MASK                        0x00000020
1473 #define SONYPI_HELP_MASK                        0x00000040
1474 #define SONYPI_LID_MASK                         0x00000080
1475 #define SONYPI_ZOOM_MASK                        0x00000100
1476 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1477 #define SONYPI_MEYE_MASK                        0x00000400
1478 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1479 #define SONYPI_BATTERY_MASK                     0x00001000
1480 #define SONYPI_WIRELESS_MASK                    0x00002000
1481
1482 struct sonypi_event {
1483         u8      data;
1484         u8      event;
1485 };
1486
1487 /* The set of possible button release events */
1488 static struct sonypi_event sonypi_releaseev[] = {
1489         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1490         { 0, 0 }
1491 };
1492
1493 /* The set of possible jogger events  */
1494 static struct sonypi_event sonypi_joggerev[] = {
1495         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1496         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1497         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1498         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1499         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1500         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1501         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1502         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1503         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1504         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1505         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1506         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1507         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1508         { 0, 0 }
1509 };
1510
1511 /* The set of possible capture button events */
1512 static struct sonypi_event sonypi_captureev[] = {
1513         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1514         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1515         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1516         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1517         { 0, 0 }
1518 };
1519
1520 /* The set of possible fnkeys events */
1521 static struct sonypi_event sonypi_fnkeyev[] = {
1522         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1523         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1524         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1525         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1526         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1527         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1528         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1529         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1530         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1531         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1532         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1533         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1534         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1535         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1536         { 0x21, SONYPI_EVENT_FNKEY_1 },
1537         { 0x22, SONYPI_EVENT_FNKEY_2 },
1538         { 0x31, SONYPI_EVENT_FNKEY_D },
1539         { 0x32, SONYPI_EVENT_FNKEY_E },
1540         { 0x33, SONYPI_EVENT_FNKEY_F },
1541         { 0x34, SONYPI_EVENT_FNKEY_S },
1542         { 0x35, SONYPI_EVENT_FNKEY_B },
1543         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1544         { 0, 0 }
1545 };
1546
1547 /* The set of possible program key events */
1548 static struct sonypi_event sonypi_pkeyev[] = {
1549         { 0x01, SONYPI_EVENT_PKEY_P1 },
1550         { 0x02, SONYPI_EVENT_PKEY_P2 },
1551         { 0x04, SONYPI_EVENT_PKEY_P3 },
1552         { 0x20, SONYPI_EVENT_PKEY_P1 },
1553         { 0, 0 }
1554 };
1555
1556 /* The set of possible bluetooth events */
1557 static struct sonypi_event sonypi_blueev[] = {
1558         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1559         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1560         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1561         { 0, 0 }
1562 };
1563
1564 /* The set of possible wireless events */
1565 static struct sonypi_event sonypi_wlessev[] = {
1566         { 0x59, SONYPI_EVENT_WIRELESS_ON },
1567         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1568         { 0, 0 }
1569 };
1570
1571 /* The set of possible back button events */
1572 static struct sonypi_event sonypi_backev[] = {
1573         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1574         { 0, 0 }
1575 };
1576
1577 /* The set of possible help button events */
1578 static struct sonypi_event sonypi_helpev[] = {
1579         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1580         { 0, 0 }
1581 };
1582
1583
1584 /* The set of possible lid events */
1585 static struct sonypi_event sonypi_lidev[] = {
1586         { 0x51, SONYPI_EVENT_LID_CLOSED },
1587         { 0x50, SONYPI_EVENT_LID_OPENED },
1588         { 0, 0 }
1589 };
1590
1591 /* The set of possible zoom events */
1592 static struct sonypi_event sonypi_zoomev[] = {
1593         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1594         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1595         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1596         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1597         { 0, 0 }
1598 };
1599
1600 /* The set of possible thumbphrase events */
1601 static struct sonypi_event sonypi_thumbphraseev[] = {
1602         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1603         { 0, 0 }
1604 };
1605
1606 /* The set of possible motioneye camera events */
1607 static struct sonypi_event sonypi_meyeev[] = {
1608         { 0x00, SONYPI_EVENT_MEYE_FACE },
1609         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1610         { 0, 0 }
1611 };
1612
1613 /* The set of possible memorystick events */
1614 static struct sonypi_event sonypi_memorystickev[] = {
1615         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1616         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1617         { 0, 0 }
1618 };
1619
1620 /* The set of possible battery events */
1621 static struct sonypi_event sonypi_batteryev[] = {
1622         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1623         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1624         { 0, 0 }
1625 };
1626
1627 /* The set of possible volume events */
1628 static struct sonypi_event sonypi_volumeev[] = {
1629         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1630         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1631         { 0, 0 }
1632 };
1633
1634 /* The set of possible brightness events */
1635 static struct sonypi_event sonypi_brightnessev[] = {
1636         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1637         { 0, 0 }
1638 };
1639
1640 static struct sonypi_eventtypes type1_events[] = {
1641         { 0, 0xffffffff, sonypi_releaseev },
1642         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1643         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1644         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1645         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1646         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1647         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1648         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1649         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1650         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1651         { 0 },
1652 };
1653 static struct sonypi_eventtypes type2_events[] = {
1654         { 0, 0xffffffff, sonypi_releaseev },
1655         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1656         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1657         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1658         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1659         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1660         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1661         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1662         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1663         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1664         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1665         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1666         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1667         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1668         { 0 },
1669 };
1670 static struct sonypi_eventtypes type3_events[] = {
1671         { 0, 0xffffffff, sonypi_releaseev },
1672         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1673         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1674         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1675         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1676         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1677         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1678         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1679         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1680         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1681         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1682         { 0 },
1683 };
1684
1685 /* low level spic calls */
1686 #define ITERATIONS_LONG         10000
1687 #define ITERATIONS_SHORT        10
1688 #define wait_on_command(command, iterations) {                          \
1689         unsigned int n = iterations;                                    \
1690         while (--n && (command))                                        \
1691                 udelay(1);                                              \
1692         if (!n)                                                         \
1693                 dprintk("command failed at %s : %s (line %d)\n",        \
1694                                 __FILE__, __func__, __LINE__);  \
1695 }
1696
1697 static u8 sony_pic_call1(u8 dev)
1698 {
1699         u8 v1, v2;
1700
1701         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1702                         ITERATIONS_LONG);
1703         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1704         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1705         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1706         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1707         return v2;
1708 }
1709
1710 static u8 sony_pic_call2(u8 dev, u8 fn)
1711 {
1712         u8 v1;
1713
1714         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1715                         ITERATIONS_LONG);
1716         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1717         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1718                         ITERATIONS_LONG);
1719         outb(fn, spic_dev.cur_ioport->io1.minimum);
1720         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1721         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1722         return v1;
1723 }
1724
1725 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1726 {
1727         u8 v1;
1728
1729         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1730         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1731         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1732         outb(fn, spic_dev.cur_ioport->io1.minimum);
1733         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1734         outb(v, spic_dev.cur_ioport->io1.minimum);
1735         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1736         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
1737                         dev, fn, v, v1);
1738         return v1;
1739 }
1740
1741 /*
1742  * minidrivers for SPIC models
1743  */
1744 static int type3_handle_irq(const u8 data_mask, const u8 ev)
1745 {
1746         /*
1747          * 0x31 could mean we have to take some extra action and wait for
1748          * the next irq for some Type3 models, it will generate a new
1749          * irq and we can read new data from the device:
1750          *  - 0x5c and 0x5f requires 0xA0
1751          *  - 0x61 requires 0xB3
1752          */
1753         if (data_mask == 0x31) {
1754                 if (ev == 0x5c || ev == 0x5f)
1755                         sony_pic_call1(0xA0);
1756                 else if (ev == 0x61)
1757                         sony_pic_call1(0xB3);
1758                 return 0;
1759         }
1760         return 1;
1761 }
1762
1763 static struct device_ctrl spic_types[] = {
1764         {
1765                 .model = SONYPI_DEVICE_TYPE1,
1766                 .handle_irq = NULL,
1767                 .evport_offset = SONYPI_TYPE1_OFFSET,
1768                 .event_types = type1_events,
1769         },
1770         {
1771                 .model = SONYPI_DEVICE_TYPE2,
1772                 .handle_irq = NULL,
1773                 .evport_offset = SONYPI_TYPE2_OFFSET,
1774                 .event_types = type2_events,
1775         },
1776         {
1777                 .model = SONYPI_DEVICE_TYPE3,
1778                 .handle_irq = type3_handle_irq,
1779                 .evport_offset = SONYPI_TYPE3_OFFSET,
1780                 .event_types = type3_events,
1781         },
1782 };
1783
1784 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
1785 {
1786         struct pci_dev *pcidev;
1787
1788         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1789                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1790         if (pcidev) {
1791                 dev->control = &spic_types[0];
1792                 goto out;
1793         }
1794
1795         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1796                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
1797         if (pcidev) {
1798                 dev->control = &spic_types[2];
1799                 goto out;
1800         }
1801
1802         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1803                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
1804         if (pcidev) {
1805                 dev->control = &spic_types[2];
1806                 goto out;
1807         }
1808
1809         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1810                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
1811         if (pcidev) {
1812                 dev->control = &spic_types[2];
1813                 goto out;
1814         }
1815
1816         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1817                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
1818         if (pcidev) {
1819                 dev->control = &spic_types[2];
1820                 goto out;
1821         }
1822
1823         /* default */
1824         dev->control = &spic_types[1];
1825
1826 out:
1827         if (pcidev)
1828                 pci_dev_put(pcidev);
1829
1830         printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1831                         dev->control->model == SONYPI_DEVICE_TYPE1 ? 1 :
1832                         dev->control->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1833 }
1834
1835 /* camera tests and poweron/poweroff */
1836 #define SONYPI_CAMERA_PICTURE           5
1837 #define SONYPI_CAMERA_CONTROL           0x10
1838
1839 #define SONYPI_CAMERA_BRIGHTNESS                0
1840 #define SONYPI_CAMERA_CONTRAST                  1
1841 #define SONYPI_CAMERA_HUE                       2
1842 #define SONYPI_CAMERA_COLOR                     3
1843 #define SONYPI_CAMERA_SHARPNESS                 4
1844
1845 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
1846 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
1847 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
1848 #define SONYPI_CAMERA_MUTE_MASK                 0x40
1849
1850 /* the rest don't need a loop until not 0xff */
1851 #define SONYPI_CAMERA_AGC                       6
1852 #define SONYPI_CAMERA_AGC_MASK                  0x30
1853 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
1854
1855 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
1856 #define SONYPI_CAMERA_CONTROL                   0x10
1857
1858 #define SONYPI_CAMERA_STATUS                    7
1859 #define SONYPI_CAMERA_STATUS_READY              0x2
1860 #define SONYPI_CAMERA_STATUS_POSITION           0x4
1861
1862 #define SONYPI_DIRECTION_BACKWARDS              0x4
1863
1864 #define SONYPI_CAMERA_REVISION                  8
1865 #define SONYPI_CAMERA_ROMVERSION                9
1866
1867 static int __sony_pic_camera_ready(void)
1868 {
1869         u8 v;
1870
1871         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1872         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1873 }
1874
1875 static int __sony_pic_camera_off(void)
1876 {
1877         if (!camera) {
1878                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1879                 return -ENODEV;
1880         }
1881
1882         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1883                                 SONYPI_CAMERA_MUTE_MASK),
1884                         ITERATIONS_SHORT);
1885
1886         if (spic_dev.camera_power) {
1887                 sony_pic_call2(0x91, 0);
1888                 spic_dev.camera_power = 0;
1889         }
1890         return 0;
1891 }
1892
1893 static int __sony_pic_camera_on(void)
1894 {
1895         int i, j, x;
1896
1897         if (!camera) {
1898                 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1899                 return -ENODEV;
1900         }
1901
1902         if (spic_dev.camera_power)
1903                 return 0;
1904
1905         for (j = 5; j > 0; j--) {
1906
1907                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1908                         msleep(10);
1909                 sony_pic_call1(0x93);
1910
1911                 for (i = 400; i > 0; i--) {
1912                         if (__sony_pic_camera_ready())
1913                                 break;
1914                         msleep(10);
1915                 }
1916                 if (i)
1917                         break;
1918         }
1919
1920         if (j == 0) {
1921                 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1922                 return -ENODEV;
1923         }
1924
1925         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1926                                 0x5a),
1927                         ITERATIONS_SHORT);
1928
1929         spic_dev.camera_power = 1;
1930         return 0;
1931 }
1932
1933 /* External camera command (exported to the motion eye v4l driver) */
1934 int sony_pic_camera_command(int command, u8 value)
1935 {
1936         if (!camera)
1937                 return -EIO;
1938
1939         mutex_lock(&spic_dev.lock);
1940
1941         switch (command) {
1942         case SONY_PIC_COMMAND_SETCAMERA:
1943                 if (value)
1944                         __sony_pic_camera_on();
1945                 else
1946                         __sony_pic_camera_off();
1947                 break;
1948         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1949                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1950                                 ITERATIONS_SHORT);
1951                 break;
1952         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1953                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1954                                 ITERATIONS_SHORT);
1955                 break;
1956         case SONY_PIC_COMMAND_SETCAMERAHUE:
1957                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1958                                 ITERATIONS_SHORT);
1959                 break;
1960         case SONY_PIC_COMMAND_SETCAMERACOLOR:
1961                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1962                                 ITERATIONS_SHORT);
1963                 break;
1964         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1965                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1966                                 ITERATIONS_SHORT);
1967                 break;
1968         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1969                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1970                                 ITERATIONS_SHORT);
1971                 break;
1972         case SONY_PIC_COMMAND_SETCAMERAAGC:
1973                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1974                                 ITERATIONS_SHORT);
1975                 break;
1976         default:
1977                 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1978                        command);
1979                 break;
1980         }
1981         mutex_unlock(&spic_dev.lock);
1982         return 0;
1983 }
1984 EXPORT_SYMBOL(sony_pic_camera_command);
1985
1986 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1987 static void __sony_pic_set_wwanpower(u8 state)
1988 {
1989         state = !!state;
1990         if (spic_dev.wwan_power == state)
1991                 return;
1992         sony_pic_call2(0xB0, state);
1993         sony_pic_call1(0x82);
1994         spic_dev.wwan_power = state;
1995 }
1996
1997 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1998                 struct device_attribute *attr,
1999                 const char *buffer, size_t count)
2000 {
2001         unsigned long value;
2002         if (count > 31)
2003                 return -EINVAL;
2004
2005         value = simple_strtoul(buffer, NULL, 10);
2006         mutex_lock(&spic_dev.lock);
2007         __sony_pic_set_wwanpower(value);
2008         mutex_unlock(&spic_dev.lock);
2009
2010         return count;
2011 }
2012
2013 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2014                 struct device_attribute *attr, char *buffer)
2015 {
2016         ssize_t count;
2017         mutex_lock(&spic_dev.lock);
2018         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2019         mutex_unlock(&spic_dev.lock);
2020         return count;
2021 }
2022
2023 /* bluetooth subsystem power state */
2024 static void __sony_pic_set_bluetoothpower(u8 state)
2025 {
2026         state = !!state;
2027         if (spic_dev.bluetooth_power == state)
2028                 return;
2029         sony_pic_call2(0x96, state);
2030         sony_pic_call1(0x82);
2031         spic_dev.bluetooth_power = state;
2032 }
2033
2034 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2035                 struct device_attribute *attr,
2036                 const char *buffer, size_t count)
2037 {
2038         unsigned long value;
2039         if (count > 31)
2040                 return -EINVAL;
2041
2042         value = simple_strtoul(buffer, NULL, 10);
2043         mutex_lock(&spic_dev.lock);
2044         __sony_pic_set_bluetoothpower(value);
2045         mutex_unlock(&spic_dev.lock);
2046
2047         return count;
2048 }
2049
2050 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2051                 struct device_attribute *attr, char *buffer)
2052 {
2053         ssize_t count = 0;
2054         mutex_lock(&spic_dev.lock);
2055         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2056         mutex_unlock(&spic_dev.lock);
2057         return count;
2058 }
2059
2060 /* fan speed */
2061 /* FAN0 information (reverse engineered from ACPI tables) */
2062 #define SONY_PIC_FAN0_STATUS    0x93
2063 static int sony_pic_set_fanspeed(unsigned long value)
2064 {
2065         return ec_write(SONY_PIC_FAN0_STATUS, value);
2066 }
2067
2068 static int sony_pic_get_fanspeed(u8 *value)
2069 {
2070         return ec_read(SONY_PIC_FAN0_STATUS, value);
2071 }
2072
2073 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2074                 struct device_attribute *attr,
2075                 const char *buffer, size_t count)
2076 {
2077         unsigned long value;
2078         if (count > 31)
2079                 return -EINVAL;
2080
2081         value = simple_strtoul(buffer, NULL, 10);
2082         if (sony_pic_set_fanspeed(value))
2083                 return -EIO;
2084
2085         return count;
2086 }
2087
2088 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2089                 struct device_attribute *attr, char *buffer)
2090 {
2091         u8 value = 0;
2092         if (sony_pic_get_fanspeed(&value))
2093                 return -EIO;
2094
2095         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2096 }
2097
2098 #define SPIC_ATTR(_name, _mode)                                 \
2099 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2100                 _mode, sony_pic_## _name ##_show,               \
2101                 sony_pic_## _name ##_store)
2102
2103 static SPIC_ATTR(bluetoothpower, 0644);
2104 static SPIC_ATTR(wwanpower, 0644);
2105 static SPIC_ATTR(fanspeed, 0644);
2106
2107 static struct attribute *spic_attributes[] = {
2108         &spic_attr_bluetoothpower.attr,
2109         &spic_attr_wwanpower.attr,
2110         &spic_attr_fanspeed.attr,
2111         NULL
2112 };
2113
2114 static struct attribute_group spic_attribute_group = {
2115         .attrs = spic_attributes
2116 };
2117
2118 /******** SONYPI compatibility **********/
2119 #ifdef CONFIG_SONYPI_COMPAT
2120
2121 /* battery / brightness / temperature  addresses */
2122 #define SONYPI_BAT_FLAGS        0x81
2123 #define SONYPI_LCD_LIGHT        0x96
2124 #define SONYPI_BAT1_PCTRM       0xa0
2125 #define SONYPI_BAT1_LEFT        0xa2
2126 #define SONYPI_BAT1_MAXRT       0xa4
2127 #define SONYPI_BAT2_PCTRM       0xa8
2128 #define SONYPI_BAT2_LEFT        0xaa
2129 #define SONYPI_BAT2_MAXRT       0xac
2130 #define SONYPI_BAT1_MAXTK       0xb0
2131 #define SONYPI_BAT1_FULL        0xb2
2132 #define SONYPI_BAT2_MAXTK       0xb8
2133 #define SONYPI_BAT2_FULL        0xba
2134 #define SONYPI_TEMP_STATUS      0xC1
2135
2136 struct sonypi_compat_s {
2137         struct fasync_struct    *fifo_async;
2138         struct kfifo            *fifo;
2139         spinlock_t              fifo_lock;
2140         wait_queue_head_t       fifo_proc_list;
2141         atomic_t                open_count;
2142 };
2143 static struct sonypi_compat_s sonypi_compat = {
2144         .open_count = ATOMIC_INIT(0),
2145 };
2146
2147 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2148 {
2149         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2150 }
2151
2152 static int sonypi_misc_release(struct inode *inode, struct file *file)
2153 {
2154         atomic_dec(&sonypi_compat.open_count);
2155         return 0;
2156 }
2157
2158 static int sonypi_misc_open(struct inode *inode, struct file *file)
2159 {
2160         /* Flush input queue on first open */
2161         unsigned long flags;
2162
2163         spin_lock_irqsave(sonypi_compat.fifo->lock, flags);
2164
2165         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2166                 __kfifo_reset(sonypi_compat.fifo);
2167
2168         spin_unlock_irqrestore(sonypi_compat.fifo->lock, flags);
2169
2170         return 0;
2171 }
2172
2173 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2174                                 size_t count, loff_t *pos)
2175 {
2176         ssize_t ret;
2177         unsigned char c;
2178
2179         if ((kfifo_len(sonypi_compat.fifo) == 0) &&
2180             (file->f_flags & O_NONBLOCK))
2181                 return -EAGAIN;
2182
2183         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2184                                        kfifo_len(sonypi_compat.fifo) != 0);
2185         if (ret)
2186                 return ret;
2187
2188         while (ret < count &&
2189                (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
2190                 if (put_user(c, buf++))
2191                         return -EFAULT;
2192                 ret++;
2193         }
2194
2195         if (ret > 0) {
2196                 struct inode *inode = file->f_path.dentry->d_inode;
2197                 inode->i_atime = current_fs_time(inode->i_sb);
2198         }
2199
2200         return ret;
2201 }
2202
2203 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2204 {
2205         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2206         if (kfifo_len(sonypi_compat.fifo))
2207                 return POLLIN | POLLRDNORM;
2208         return 0;
2209 }
2210
2211 static int ec_read16(u8 addr, u16 *value)
2212 {
2213         u8 val_lb, val_hb;
2214         if (ec_read(addr, &val_lb))
2215                 return -1;
2216         if (ec_read(addr + 1, &val_hb))
2217                 return -1;
2218         *value = val_lb | (val_hb << 8);
2219         return 0;
2220 }
2221
2222 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2223                                                         unsigned long arg)
2224 {
2225         int ret = 0;
2226         void __user *argp = (void __user *)arg;
2227         u8 val8;
2228         u16 val16;
2229         int value;
2230
2231         mutex_lock(&spic_dev.lock);
2232         switch (cmd) {
2233         case SONYPI_IOCGBRT:
2234                 if (sony_backlight_device == NULL) {
2235                         ret = -EIO;
2236                         break;
2237                 }
2238                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2239                         ret = -EIO;
2240                         break;
2241                 }
2242                 val8 = ((value & 0xff) - 1) << 5;
2243                 if (copy_to_user(argp, &val8, sizeof(val8)))
2244                                 ret = -EFAULT;
2245                 break;
2246         case SONYPI_IOCSBRT:
2247                 if (sony_backlight_device == NULL) {
2248                         ret = -EIO;
2249                         break;
2250                 }
2251                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2252                         ret = -EFAULT;
2253                         break;
2254                 }
2255                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2256                                 (val8 >> 5) + 1, NULL)) {
2257                         ret = -EIO;
2258                         break;
2259                 }
2260                 /* sync the backlight device status */
2261                 sony_backlight_device->props.brightness =
2262                     sony_backlight_get_brightness(sony_backlight_device);
2263                 break;
2264         case SONYPI_IOCGBAT1CAP:
2265                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2266                         ret = -EIO;
2267                         break;
2268                 }
2269                 if (copy_to_user(argp, &val16, sizeof(val16)))
2270                         ret = -EFAULT;
2271                 break;
2272         case SONYPI_IOCGBAT1REM:
2273                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2274                         ret = -EIO;
2275                         break;
2276                 }
2277                 if (copy_to_user(argp, &val16, sizeof(val16)))
2278                         ret = -EFAULT;
2279                 break;
2280         case SONYPI_IOCGBAT2CAP:
2281                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2282                         ret = -EIO;
2283                         break;
2284                 }
2285                 if (copy_to_user(argp, &val16, sizeof(val16)))
2286                         ret = -EFAULT;
2287                 break;
2288         case SONYPI_IOCGBAT2REM:
2289                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2290                         ret = -EIO;
2291                         break;
2292                 }
2293                 if (copy_to_user(argp, &val16, sizeof(val16)))
2294                         ret = -EFAULT;
2295                 break;
2296         case SONYPI_IOCGBATFLAGS:
2297                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2298                         ret = -EIO;
2299                         break;
2300                 }
2301                 val8 &= 0x07;
2302                 if (copy_to_user(argp, &val8, sizeof(val8)))
2303                         ret = -EFAULT;
2304                 break;
2305         case SONYPI_IOCGBLUE:
2306                 val8 = spic_dev.bluetooth_power;
2307                 if (copy_to_user(argp, &val8, sizeof(val8)))
2308                         ret = -EFAULT;
2309                 break;
2310         case SONYPI_IOCSBLUE:
2311                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2312                         ret = -EFAULT;
2313                         break;
2314                 }
2315                 __sony_pic_set_bluetoothpower(val8);
2316                 break;
2317         /* FAN Controls */
2318         case SONYPI_IOCGFAN:
2319                 if (sony_pic_get_fanspeed(&val8)) {
2320                         ret = -EIO;
2321                         break;
2322                 }
2323                 if (copy_to_user(argp, &val8, sizeof(val8)))
2324                         ret = -EFAULT;
2325                 break;
2326         case SONYPI_IOCSFAN:
2327                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2328                         ret = -EFAULT;
2329                         break;
2330                 }
2331                 if (sony_pic_set_fanspeed(val8))
2332                         ret = -EIO;
2333                 break;
2334         /* GET Temperature (useful under APM) */
2335         case SONYPI_IOCGTEMP:
2336                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2337                         ret = -EIO;
2338                         break;
2339                 }
2340                 if (copy_to_user(argp, &val8, sizeof(val8)))
2341                         ret = -EFAULT;
2342                 break;
2343         default:
2344                 ret = -EINVAL;
2345         }
2346         mutex_unlock(&spic_dev.lock);
2347         return ret;
2348 }
2349
2350 static const struct file_operations sonypi_misc_fops = {
2351         .owner          = THIS_MODULE,
2352         .read           = sonypi_misc_read,
2353         .poll           = sonypi_misc_poll,
2354         .open           = sonypi_misc_open,
2355         .release        = sonypi_misc_release,
2356         .fasync         = sonypi_misc_fasync,
2357         .unlocked_ioctl = sonypi_misc_ioctl,
2358 };
2359
2360 static struct miscdevice sonypi_misc_device = {
2361         .minor          = MISC_DYNAMIC_MINOR,
2362         .name           = "sonypi",
2363         .fops           = &sonypi_misc_fops,
2364 };
2365
2366 static void sonypi_compat_report_event(u8 event)
2367 {
2368         kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2369         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2370         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2371 }
2372
2373 static int sonypi_compat_init(void)
2374 {
2375         int error;
2376
2377         spin_lock_init(&sonypi_compat.fifo_lock);
2378         sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2379                                          &sonypi_compat.fifo_lock);
2380         if (IS_ERR(sonypi_compat.fifo)) {
2381                 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2382                 return PTR_ERR(sonypi_compat.fifo);
2383         }
2384
2385         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2386
2387         if (minor != -1)
2388                 sonypi_misc_device.minor = minor;
2389         error = misc_register(&sonypi_misc_device);
2390         if (error) {
2391                 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2392                 goto err_free_kfifo;
2393         }
2394         if (minor == -1)
2395                 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2396                        sonypi_misc_device.minor);
2397
2398         return 0;
2399
2400 err_free_kfifo:
2401         kfifo_free(sonypi_compat.fifo);
2402         return error;
2403 }
2404
2405 static void sonypi_compat_exit(void)
2406 {
2407         misc_deregister(&sonypi_misc_device);
2408         kfifo_free(sonypi_compat.fifo);
2409 }
2410 #else
2411 static int sonypi_compat_init(void) { return 0; }
2412 static void sonypi_compat_exit(void) { }
2413 static void sonypi_compat_report_event(u8 event) { }
2414 #endif /* CONFIG_SONYPI_COMPAT */
2415
2416 /*
2417  * ACPI callbacks
2418  */
2419 static acpi_status
2420 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2421 {
2422         u32 i;
2423         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2424
2425         switch (resource->type) {
2426         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2427                 {
2428                         /* start IO enumeration */
2429                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2430                         if (!ioport)
2431                                 return AE_ERROR;
2432
2433                         list_add(&ioport->list, &dev->ioports);
2434                         return AE_OK;
2435                 }
2436
2437         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2438                 /* end IO enumeration */
2439                 return AE_OK;
2440
2441         case ACPI_RESOURCE_TYPE_IRQ:
2442                 {
2443                         struct acpi_resource_irq *p = &resource->data.irq;
2444                         struct sony_pic_irq *interrupt = NULL;
2445                         if (!p || !p->interrupt_count) {
2446                                 /*
2447                                  * IRQ descriptors may have no IRQ# bits set,
2448                                  * particularly those those w/ _STA disabled
2449                                  */
2450                                 dprintk("Blank IRQ resource\n");
2451                                 return AE_OK;
2452                         }
2453                         for (i = 0; i < p->interrupt_count; i++) {
2454                                 if (!p->interrupts[i]) {
2455                                         printk(KERN_WARNING DRV_PFX
2456                                                         "Invalid IRQ %d\n",
2457                                                         p->interrupts[i]);
2458                                         continue;
2459                                 }
2460                                 interrupt = kzalloc(sizeof(*interrupt),
2461                                                 GFP_KERNEL);
2462                                 if (!interrupt)
2463                                         return AE_ERROR;
2464
2465                                 list_add(&interrupt->list, &dev->interrupts);
2466                                 interrupt->irq.triggering = p->triggering;
2467                                 interrupt->irq.polarity = p->polarity;
2468                                 interrupt->irq.sharable = p->sharable;
2469                                 interrupt->irq.interrupt_count = 1;
2470                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2471                         }
2472                         return AE_OK;
2473                 }
2474         case ACPI_RESOURCE_TYPE_IO:
2475                 {
2476                         struct acpi_resource_io *io = &resource->data.io;
2477                         struct sony_pic_ioport *ioport =
2478                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2479                         if (!io) {
2480                                 dprintk("Blank IO resource\n");
2481                                 return AE_OK;
2482                         }
2483
2484                         if (!ioport->io1.minimum) {
2485                                 memcpy(&ioport->io1, io, sizeof(*io));
2486                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2487                                                 ioport->io1.address_length);
2488                         }
2489                         else if (!ioport->io2.minimum) {
2490                                 memcpy(&ioport->io2, io, sizeof(*io));
2491                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2492                                                 ioport->io2.address_length);
2493                         }
2494                         else {
2495                                 printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2496                                 return AE_ERROR;
2497                         }
2498                         return AE_OK;
2499                 }
2500         default:
2501                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2502                                 resource->type);
2503
2504         case ACPI_RESOURCE_TYPE_END_TAG:
2505                 return AE_OK;
2506         }
2507         return AE_CTRL_TERMINATE;
2508 }
2509
2510 static int sony_pic_possible_resources(struct acpi_device *device)
2511 {
2512         int result = 0;
2513         acpi_status status = AE_OK;
2514
2515         if (!device)
2516                 return -EINVAL;
2517
2518         /* get device status */
2519         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2520         dprintk("Evaluating _STA\n");
2521         result = acpi_bus_get_status(device);
2522         if (result) {
2523                 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2524                 goto end;
2525         }
2526
2527         if (!device->status.enabled)
2528                 dprintk("Device disabled\n");
2529         else
2530                 dprintk("Device enabled\n");
2531
2532         /*
2533          * Query and parse 'method'
2534          */
2535         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2536         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2537                         sony_pic_read_possible_resource, &spic_dev);
2538         if (ACPI_FAILURE(status)) {
2539                 printk(KERN_WARNING DRV_PFX
2540                                 "Failure evaluating %s\n",
2541                                 METHOD_NAME__PRS);
2542                 result = -ENODEV;
2543         }
2544 end:
2545         return result;
2546 }
2547
2548 /*
2549  *  Disable the spic device by calling its _DIS method
2550  */
2551 static int sony_pic_disable(struct acpi_device *device)
2552 {
2553         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2554                                                NULL);
2555
2556         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2557                 return -ENXIO;
2558
2559         dprintk("Device disabled\n");
2560         return 0;
2561 }
2562
2563
2564 /*
2565  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2566  *
2567  *  Call _SRS to set current resources
2568  */
2569 static int sony_pic_enable(struct acpi_device *device,
2570                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2571 {
2572         acpi_status status;
2573         int result = 0;
2574         /* Type 1 resource layout is:
2575          *    IO
2576          *    IO
2577          *    IRQNoFlags
2578          *    End
2579          *
2580          * Type 2 and 3 resource layout is:
2581          *    IO
2582          *    IRQNoFlags
2583          *    End
2584          */
2585         struct {
2586                 struct acpi_resource res1;
2587                 struct acpi_resource res2;
2588                 struct acpi_resource res3;
2589                 struct acpi_resource res4;
2590         } *resource;
2591         struct acpi_buffer buffer = { 0, NULL };
2592
2593         if (!ioport || !irq)
2594                 return -EINVAL;
2595
2596         /* init acpi_buffer */
2597         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2598         if (!resource)
2599                 return -ENOMEM;
2600
2601         buffer.length = sizeof(*resource) + 1;
2602         buffer.pointer = resource;
2603
2604         /* setup Type 1 resources */
2605         if (spic_dev.control->model == SONYPI_DEVICE_TYPE1) {
2606
2607                 /* setup io resources */
2608                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2609                 resource->res1.length = sizeof(struct acpi_resource);
2610                 memcpy(&resource->res1.data.io, &ioport->io1,
2611                                 sizeof(struct acpi_resource_io));
2612
2613                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2614                 resource->res2.length = sizeof(struct acpi_resource);
2615                 memcpy(&resource->res2.data.io, &ioport->io2,
2616                                 sizeof(struct acpi_resource_io));
2617
2618                 /* setup irq resource */
2619                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2620                 resource->res3.length = sizeof(struct acpi_resource);
2621                 memcpy(&resource->res3.data.irq, &irq->irq,
2622                                 sizeof(struct acpi_resource_irq));
2623                 /* we requested a shared irq */
2624                 resource->res3.data.irq.sharable = ACPI_SHARED;
2625
2626                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2627
2628         }
2629         /* setup Type 2/3 resources */
2630         else {
2631                 /* setup io resource */
2632                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2633                 resource->res1.length = sizeof(struct acpi_resource);
2634                 memcpy(&resource->res1.data.io, &ioport->io1,
2635                                 sizeof(struct acpi_resource_io));
2636
2637                 /* setup irq resource */
2638                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2639                 resource->res2.length = sizeof(struct acpi_resource);
2640                 memcpy(&resource->res2.data.irq, &irq->irq,
2641                                 sizeof(struct acpi_resource_irq));
2642                 /* we requested a shared irq */
2643                 resource->res2.data.irq.sharable = ACPI_SHARED;
2644
2645                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2646         }
2647
2648         /* Attempt to set the resource */
2649         dprintk("Evaluating _SRS\n");
2650         status = acpi_set_current_resources(device->handle, &buffer);
2651
2652         /* check for total failure */
2653         if (ACPI_FAILURE(status)) {
2654                 printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n");
2655                 result = -ENODEV;
2656                 goto end;
2657         }
2658
2659         /* Necessary device initializations calls (from sonypi) */
2660         sony_pic_call1(0x82);
2661         sony_pic_call2(0x81, 0xff);
2662         sony_pic_call1(compat ? 0x92 : 0x82);
2663
2664 end:
2665         kfree(resource);
2666         return result;
2667 }
2668
2669 /*****************
2670  *
2671  * ISR: some event is available
2672  *
2673  *****************/
2674 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2675 {
2676         int i, j;
2677         u8 ev = 0;
2678         u8 data_mask = 0;
2679         u8 device_event = 0;
2680
2681         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2682
2683         ev = inb_p(dev->cur_ioport->io1.minimum);
2684         if (dev->cur_ioport->io2.minimum)
2685                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2686         else
2687                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2688                                 dev->control->evport_offset);
2689
2690         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2691                         ev, data_mask, dev->cur_ioport->io1.minimum,
2692                         dev->control->evport_offset);
2693
2694         if (ev == 0x00 || ev == 0xff)
2695                 return IRQ_HANDLED;
2696
2697         for (i = 0; dev->control->event_types[i].mask; i++) {
2698
2699                 if ((data_mask & dev->control->event_types[i].data) !=
2700                     dev->control->event_types[i].data)
2701                         continue;
2702
2703                 if (!(mask & dev->control->event_types[i].mask))
2704                         continue;
2705
2706                 for (j = 0; dev->control->event_types[i].events[j].event; j++) {
2707                         if (ev == dev->control->event_types[i].events[j].data) {
2708                                 device_event =
2709                                         dev->control->
2710                                                 event_types[i].events[j].event;
2711                                 goto found;
2712                         }
2713                 }
2714         }
2715         /* Still not able to decode the event try to pass
2716          * it over to the minidriver
2717          */
2718         if (dev->control->handle_irq &&
2719                         dev->control->handle_irq(data_mask, ev) == 0)
2720                 return IRQ_HANDLED;
2721
2722         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2723                         ev, data_mask, dev->cur_ioport->io1.minimum,
2724                         dev->control->evport_offset);
2725         return IRQ_HANDLED;
2726
2727 found:
2728         sony_laptop_report_input_event(device_event);
2729         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2730         sonypi_compat_report_event(device_event);
2731
2732         return IRQ_HANDLED;
2733 }
2734
2735 /*****************
2736  *
2737  *  ACPI driver
2738  *
2739  *****************/
2740 static int sony_pic_remove(struct acpi_device *device, int type)
2741 {
2742         struct sony_pic_ioport *io, *tmp_io;
2743         struct sony_pic_irq *irq, *tmp_irq;
2744
2745         if (sony_pic_disable(device)) {
2746                 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2747                 return -ENXIO;
2748         }
2749
2750         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2751         release_region(spic_dev.cur_ioport->io1.minimum,
2752                         spic_dev.cur_ioport->io1.address_length);
2753         if (spic_dev.cur_ioport->io2.minimum)
2754                 release_region(spic_dev.cur_ioport->io2.minimum,
2755                                 spic_dev.cur_ioport->io2.address_length);
2756
2757         sonypi_compat_exit();
2758
2759         sony_laptop_remove_input();
2760
2761         /* pf attrs */
2762         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2763         sony_pf_remove();
2764
2765         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2766                 list_del(&io->list);
2767                 kfree(io);
2768         }
2769         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2770                 list_del(&irq->list);
2771                 kfree(irq);
2772         }
2773         spic_dev.cur_ioport = NULL;
2774         spic_dev.cur_irq = NULL;
2775
2776         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2777         return 0;
2778 }
2779
2780 static int sony_pic_add(struct acpi_device *device)
2781 {
2782         int result;
2783         struct sony_pic_ioport *io, *tmp_io;
2784         struct sony_pic_irq *irq, *tmp_irq;
2785
2786         printk(KERN_INFO DRV_PFX "%s v%s.\n",
2787                 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2788
2789         spic_dev.acpi_dev = device;
2790         strcpy(acpi_device_class(device), "sony/hotkey");
2791         sony_pic_detect_device_type(&spic_dev);
2792         mutex_init(&spic_dev.lock);
2793
2794         /* read _PRS resources */
2795         result = sony_pic_possible_resources(device);
2796         if (result) {
2797                 printk(KERN_ERR DRV_PFX
2798                                 "Unable to read possible resources.\n");
2799                 goto err_free_resources;
2800         }
2801
2802         /* setup input devices and helper fifo */
2803         result = sony_laptop_setup_input(device);
2804         if (result) {
2805                 printk(KERN_ERR DRV_PFX
2806                                 "Unable to create input devices.\n");
2807                 goto err_free_resources;
2808         }
2809
2810         if (sonypi_compat_init())
2811                 goto err_remove_input;
2812
2813         /* request io port */
2814         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
2815                 if (request_region(io->io1.minimum, io->io1.address_length,
2816                                         "Sony Programable I/O Device")) {
2817                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
2818                                         io->io1.minimum, io->io1.maximum,
2819                                         io->io1.address_length);
2820                         /* Type 1 have 2 ioports */
2821                         if (io->io2.minimum) {
2822                                 if (request_region(io->io2.minimum,
2823                                                 io->io2.address_length,
2824                                                 "Sony Programable I/O Device")) {
2825                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
2826                                                         io->io2.minimum, io->io2.maximum,
2827                                                         io->io2.address_length);
2828                                         spic_dev.cur_ioport = io;
2829                                         break;
2830                                 }
2831                                 else {
2832                                         dprintk("Unable to get I/O port2: "
2833                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
2834                                                         io->io2.minimum, io->io2.maximum,
2835                                                         io->io2.address_length);
2836                                         release_region(io->io1.minimum,
2837                                                         io->io1.address_length);
2838                                 }
2839                         }
2840                         else {
2841                                 spic_dev.cur_ioport = io;
2842                                 break;
2843                         }
2844                 }
2845         }
2846         if (!spic_dev.cur_ioport) {
2847                 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2848                 result = -ENODEV;
2849                 goto err_remove_compat;
2850         }
2851
2852         /* request IRQ */
2853         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
2854                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2855                                         IRQF_SHARED, "sony-laptop", &spic_dev)) {
2856                         dprintk("IRQ: %d - triggering: %d - "
2857                                         "polarity: %d - shr: %d\n",
2858                                         irq->irq.interrupts[0],
2859                                         irq->irq.triggering,
2860                                         irq->irq.polarity,
2861                                         irq->irq.sharable);
2862                         spic_dev.cur_irq = irq;
2863                         break;
2864                 }
2865         }
2866         if (!spic_dev.cur_irq) {
2867                 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2868                 result = -ENODEV;
2869                 goto err_release_region;
2870         }
2871
2872         /* set resource status _SRS */
2873         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2874         if (result) {
2875                 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2876                 goto err_free_irq;
2877         }
2878
2879         spic_dev.bluetooth_power = -1;
2880         /* create device attributes */
2881         result = sony_pf_add();
2882         if (result)
2883                 goto err_disable_device;
2884
2885         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2886         if (result)
2887                 goto err_remove_pf;
2888
2889         return 0;
2890
2891 err_remove_pf:
2892         sony_pf_remove();
2893
2894 err_disable_device:
2895         sony_pic_disable(device);
2896
2897 err_free_irq:
2898         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2899
2900 err_release_region:
2901         release_region(spic_dev.cur_ioport->io1.minimum,
2902                         spic_dev.cur_ioport->io1.address_length);
2903         if (spic_dev.cur_ioport->io2.minimum)
2904                 release_region(spic_dev.cur_ioport->io2.minimum,
2905                                 spic_dev.cur_ioport->io2.address_length);
2906
2907 err_remove_compat:
2908         sonypi_compat_exit();
2909
2910 err_remove_input:
2911         sony_laptop_remove_input();
2912
2913 err_free_resources:
2914         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2915                 list_del(&io->list);
2916                 kfree(io);
2917         }
2918         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2919                 list_del(&irq->list);
2920                 kfree(irq);
2921         }
2922         spic_dev.cur_ioport = NULL;
2923         spic_dev.cur_irq = NULL;
2924
2925         return result;
2926 }
2927
2928 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2929 {
2930         if (sony_pic_disable(device))
2931                 return -ENXIO;
2932         return 0;
2933 }
2934
2935 static int sony_pic_resume(struct acpi_device *device)
2936 {
2937         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2938         return 0;
2939 }
2940
2941 static const struct acpi_device_id sony_pic_device_ids[] = {
2942         {SONY_PIC_HID, 0},
2943         {"", 0},
2944 };
2945
2946 static struct acpi_driver sony_pic_driver = {
2947         .name = SONY_PIC_DRIVER_NAME,
2948         .class = SONY_PIC_CLASS,
2949         .ids = sony_pic_device_ids,
2950         .owner = THIS_MODULE,
2951         .ops = {
2952                 .add = sony_pic_add,
2953                 .remove = sony_pic_remove,
2954                 .suspend = sony_pic_suspend,
2955                 .resume = sony_pic_resume,
2956                 },
2957 };
2958
2959 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2960         {
2961                 .ident = "Sony Vaio",
2962                 .matches = {
2963                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2964                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2965                 },
2966         },
2967         {
2968                 .ident = "Sony Vaio",
2969                 .matches = {
2970                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2971                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2972                 },
2973         },
2974         { }
2975 };
2976
2977 static int __init sony_laptop_init(void)
2978 {
2979         int result;
2980
2981         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2982                 result = acpi_bus_register_driver(&sony_pic_driver);
2983                 if (result) {
2984                         printk(KERN_ERR DRV_PFX
2985                                         "Unable to register SPIC driver.");
2986                         goto out;
2987                 }
2988         }
2989
2990         result = acpi_bus_register_driver(&sony_nc_driver);
2991         if (result) {
2992                 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2993                 goto out_unregister_pic;
2994         }
2995
2996         return 0;
2997
2998 out_unregister_pic:
2999         if (!no_spic)
3000                 acpi_bus_unregister_driver(&sony_pic_driver);
3001 out:
3002         return result;
3003 }
3004
3005 static void __exit sony_laptop_exit(void)
3006 {
3007         acpi_bus_unregister_driver(&sony_nc_driver);
3008         if (!no_spic)
3009                 acpi_bus_unregister_driver(&sony_pic_driver);
3010 }
3011
3012 module_init(sony_laptop_init);
3013 module_exit(sony_laptop_exit);