sony-laptop: implement keyboard backlight support
[linux-2.6.git] / drivers / platform / x86 / sony-laptop.c
1 /*
2  * ACPI Sony Notebook Control Driver (SNC and SPIC)
3  *
4  * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5  * Copyright (C) 2007-2009 Mattia Dongili <malattia@linux.it>
6  *
7  * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8  * which are copyrighted by their respective authors.
9  *
10  * The SNY6001 driver part is based on the sonypi driver which includes
11  * material from:
12  *
13  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14  *
15  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16  *
17  * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
18  *
19  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20  *
21  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22  *
23  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24  *
25  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26  *
27  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28  *
29  * This program is free software; you can redistribute it and/or modify
30  * it under the terms of the GNU General Public License as published by
31  * the Free Software Foundation; either version 2 of the License, or
32  * (at your option) any later version.
33  *
34  * This program is distributed in the hope that it will be useful,
35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
37  * GNU General Public License for more details.
38  *
39  * You should have received a copy of the GNU General Public License
40  * along with this program; if not, write to the Free Software
41  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42  *
43  */
44
45 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/moduleparam.h>
48 #include <linux/init.h>
49 #include <linux/types.h>
50 #include <linux/backlight.h>
51 #include <linux/platform_device.h>
52 #include <linux/err.h>
53 #include <linux/dmi.h>
54 #include <linux/pci.h>
55 #include <linux/interrupt.h>
56 #include <linux/delay.h>
57 #include <linux/input.h>
58 #include <linux/kfifo.h>
59 #include <linux/workqueue.h>
60 #include <linux/acpi.h>
61 #include <linux/slab.h>
62 #include <acpi/acpi_drivers.h>
63 #include <acpi/acpi_bus.h>
64 #include <asm/uaccess.h>
65 #include <linux/sonypi.h>
66 #include <linux/sony-laptop.h>
67 #include <linux/rfkill.h>
68 #ifdef CONFIG_SONYPI_COMPAT
69 #include <linux/poll.h>
70 #include <linux/miscdevice.h>
71 #endif
72
73 #define DRV_PFX                 "sony-laptop: "
74 #define dprintk(msg...)         do {    \
75         if (debug)                      \
76                 pr_warn(DRV_PFX msg);   \
77 } while (0)
78
79 #define SONY_LAPTOP_DRIVER_VERSION      "0.6"
80
81 #define SONY_NC_CLASS           "sony-nc"
82 #define SONY_NC_HID             "SNY5001"
83 #define SONY_NC_DRIVER_NAME     "Sony Notebook Control Driver"
84
85 #define SONY_PIC_CLASS          "sony-pic"
86 #define SONY_PIC_HID            "SNY6001"
87 #define SONY_PIC_DRIVER_NAME    "Sony Programmable IO Control Driver"
88
89 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
90 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
91 MODULE_LICENSE("GPL");
92 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
93
94 static int debug;
95 module_param(debug, int, 0);
96 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
97                  "the development of this driver");
98
99 static int no_spic;             /* = 0 */
100 module_param(no_spic, int, 0444);
101 MODULE_PARM_DESC(no_spic,
102                  "set this if you don't want to enable the SPIC device");
103
104 static int compat;              /* = 0 */
105 module_param(compat, int, 0444);
106 MODULE_PARM_DESC(compat,
107                  "set this if you want to enable backward compatibility mode");
108
109 static unsigned long mask = 0xffffffff;
110 module_param(mask, ulong, 0644);
111 MODULE_PARM_DESC(mask,
112                  "set this to the mask of event you want to enable (see doc)");
113
114 static int camera;              /* = 0 */
115 module_param(camera, int, 0444);
116 MODULE_PARM_DESC(camera,
117                  "set this to 1 to enable Motion Eye camera controls "
118                  "(only use it if you have a C1VE or C1VN model)");
119
120 #ifdef CONFIG_SONYPI_COMPAT
121 static int minor = -1;
122 module_param(minor, int, 0);
123 MODULE_PARM_DESC(minor,
124                  "minor number of the misc device for the SPIC compatibility code, "
125                  "default is -1 (automatic)");
126 #endif
127
128 static int kbd_backlight;       /* = 1 */
129 module_param(kbd_backlight, int, 0444);
130 MODULE_PARM_DESC(kbd_backlight,
131                  "set this to 0 to disable keyboard backlight, "
132                  "1 to enable it (default: 0)");
133
134 static int kbd_backlight_timeout;       /* = 0 */
135 module_param(kbd_backlight_timeout, int, 0444);
136 MODULE_PARM_DESC(kbd_backlight_timeout,
137                  "set this to 0 to set the default 10 seconds timeout, "
138                  "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
139                  "(default: 0)");
140
141 enum sony_nc_rfkill {
142         SONY_WIFI,
143         SONY_BLUETOOTH,
144         SONY_WWAN,
145         SONY_WIMAX,
146         N_SONY_RFKILL,
147 };
148
149 static int sony_rfkill_handle;
150 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
151 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
152 static void sony_nc_rfkill_update(void);
153
154 /*********** Input Devices ***********/
155
156 #define SONY_LAPTOP_BUF_SIZE    128
157 struct sony_laptop_input_s {
158         atomic_t                users;
159         struct input_dev        *jog_dev;
160         struct input_dev        *key_dev;
161         struct kfifo            fifo;
162         spinlock_t              fifo_lock;
163         struct timer_list       release_key_timer;
164 };
165
166 static struct sony_laptop_input_s sony_laptop_input = {
167         .users = ATOMIC_INIT(0),
168 };
169
170 struct sony_laptop_keypress {
171         struct input_dev *dev;
172         int key;
173 };
174
175 /* Correspondance table between sonypi events
176  * and input layer indexes in the keymap
177  */
178 static int sony_laptop_input_index[] = {
179         -1,     /*  0 no event */
180         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
181         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
182         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
183         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
184         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
185         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
186          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
187          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
188          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
189          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
190          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
191          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
192          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
193          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
194          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
195          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
196         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
197         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
198         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
199         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
200         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
201         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
202         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
203         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
204         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
205         19,     /* 26 SONYPI_EVENT_FNKEY_D */
206         20,     /* 27 SONYPI_EVENT_FNKEY_E */
207         21,     /* 28 SONYPI_EVENT_FNKEY_F */
208         22,     /* 29 SONYPI_EVENT_FNKEY_S */
209         23,     /* 30 SONYPI_EVENT_FNKEY_B */
210         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
211         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
212         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
213         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
214         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
215         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
216         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
217         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
218         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
219         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
220         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
221         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
222         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
223         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
224         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
225         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
226         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
227         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
228         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
229         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
230         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
231         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
232         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
233         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
234         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
235         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
236         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
237         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
238         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
239         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
240         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
241         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
242         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
243         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
244         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
245         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
246         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
247         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
248         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
249         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
250         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
251         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
252         59,     /* 72 SONYPI_EVENT_VENDOR_PRESSED */
253 };
254
255 static int sony_laptop_input_keycode_map[] = {
256         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
257         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
258         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
259         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
260         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
261         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
262         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
263         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
264         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
265         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
266         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
267         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
268         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
269         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
270         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
271         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
272         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
273         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
274         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
275         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
276         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
277         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
278         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
279         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
280         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
281         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
282         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
283         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
284         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
285         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
286         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
287         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
288         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
289         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
290         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
291         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
292         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
293         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
294         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
295         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
296         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
297         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
298         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
299         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
300         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
301         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
302         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
303         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
304         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
305         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
306         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
307         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
308         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
309         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
310         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
311         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
312         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
313         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
314         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
315         KEY_VENDOR,     /* 59 SONYPI_EVENT_VENDOR_PRESSED */
316 };
317
318 /* release buttons after a short delay if pressed */
319 static void do_sony_laptop_release_key(unsigned long unused)
320 {
321         struct sony_laptop_keypress kp;
322         unsigned long flags;
323
324         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
325
326         if (kfifo_out(&sony_laptop_input.fifo,
327                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
328                 input_report_key(kp.dev, kp.key, 0);
329                 input_sync(kp.dev);
330         }
331
332         /* If there is something in the fifo schedule next release. */
333         if (kfifo_len(&sony_laptop_input.fifo) != 0)
334                 mod_timer(&sony_laptop_input.release_key_timer,
335                           jiffies + msecs_to_jiffies(10));
336
337         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
338 }
339
340 /* forward event to the input subsystem */
341 static void sony_laptop_report_input_event(u8 event)
342 {
343         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
344         struct input_dev *key_dev = sony_laptop_input.key_dev;
345         struct sony_laptop_keypress kp = { NULL };
346
347         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
348                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
349                 /* Nothing, not all VAIOs generate this event */
350                 return;
351         }
352
353         /* report events */
354         switch (event) {
355         /* jog_dev events */
356         case SONYPI_EVENT_JOGDIAL_UP:
357         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
358                 input_report_rel(jog_dev, REL_WHEEL, 1);
359                 input_sync(jog_dev);
360                 return;
361
362         case SONYPI_EVENT_JOGDIAL_DOWN:
363         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
364                 input_report_rel(jog_dev, REL_WHEEL, -1);
365                 input_sync(jog_dev);
366                 return;
367
368         /* key_dev events */
369         case SONYPI_EVENT_JOGDIAL_PRESSED:
370                 kp.key = BTN_MIDDLE;
371                 kp.dev = jog_dev;
372                 break;
373
374         default:
375                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
376                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
377                         break;
378                 }
379                 if (sony_laptop_input_index[event] != -1) {
380                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
381                         if (kp.key != KEY_UNKNOWN)
382                                 kp.dev = key_dev;
383                 }
384                 break;
385         }
386
387         if (kp.dev) {
388                 input_report_key(kp.dev, kp.key, 1);
389                 /* we emit the scancode so we can always remap the key */
390                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
391                 input_sync(kp.dev);
392
393                 /* schedule key release */
394                 kfifo_in_locked(&sony_laptop_input.fifo,
395                                 (unsigned char *)&kp, sizeof(kp),
396                                 &sony_laptop_input.fifo_lock);
397                 mod_timer(&sony_laptop_input.release_key_timer,
398                           jiffies + msecs_to_jiffies(10));
399         } else
400                 dprintk("unknown input event %.2x\n", event);
401 }
402
403 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
404 {
405         struct input_dev *jog_dev;
406         struct input_dev *key_dev;
407         int i;
408         int error;
409
410         /* don't run again if already initialized */
411         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
412                 return 0;
413
414         /* kfifo */
415         spin_lock_init(&sony_laptop_input.fifo_lock);
416         error = kfifo_alloc(&sony_laptop_input.fifo,
417                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
418         if (error) {
419                 pr_err(DRV_PFX "kfifo_alloc failed\n");
420                 goto err_dec_users;
421         }
422
423         setup_timer(&sony_laptop_input.release_key_timer,
424                     do_sony_laptop_release_key, 0);
425
426         /* input keys */
427         key_dev = input_allocate_device();
428         if (!key_dev) {
429                 error = -ENOMEM;
430                 goto err_free_kfifo;
431         }
432
433         key_dev->name = "Sony Vaio Keys";
434         key_dev->id.bustype = BUS_ISA;
435         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
436         key_dev->dev.parent = &acpi_device->dev;
437
438         /* Initialize the Input Drivers: special keys */
439         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
440
441         __set_bit(EV_KEY, key_dev->evbit);
442         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
443         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
444         key_dev->keycode = &sony_laptop_input_keycode_map;
445         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
446                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
447         __clear_bit(KEY_RESERVED, key_dev->keybit);
448
449         error = input_register_device(key_dev);
450         if (error)
451                 goto err_free_keydev;
452
453         sony_laptop_input.key_dev = key_dev;
454
455         /* jogdial */
456         jog_dev = input_allocate_device();
457         if (!jog_dev) {
458                 error = -ENOMEM;
459                 goto err_unregister_keydev;
460         }
461
462         jog_dev->name = "Sony Vaio Jogdial";
463         jog_dev->id.bustype = BUS_ISA;
464         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
465         key_dev->dev.parent = &acpi_device->dev;
466
467         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
468         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
469
470         error = input_register_device(jog_dev);
471         if (error)
472                 goto err_free_jogdev;
473
474         sony_laptop_input.jog_dev = jog_dev;
475
476         return 0;
477
478 err_free_jogdev:
479         input_free_device(jog_dev);
480
481 err_unregister_keydev:
482         input_unregister_device(key_dev);
483         /* to avoid kref underflow below at input_free_device */
484         key_dev = NULL;
485
486 err_free_keydev:
487         input_free_device(key_dev);
488
489 err_free_kfifo:
490         kfifo_free(&sony_laptop_input.fifo);
491
492 err_dec_users:
493         atomic_dec(&sony_laptop_input.users);
494         return error;
495 }
496
497 static void sony_laptop_remove_input(void)
498 {
499         struct sony_laptop_keypress kp = { NULL };
500
501         /* Cleanup only after the last user has gone */
502         if (!atomic_dec_and_test(&sony_laptop_input.users))
503                 return;
504
505         del_timer_sync(&sony_laptop_input.release_key_timer);
506
507         /*
508          * Generate key-up events for remaining keys. Note that we don't
509          * need locking since nobody is adding new events to the kfifo.
510          */
511         while (kfifo_out(&sony_laptop_input.fifo,
512                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
513                 input_report_key(kp.dev, kp.key, 0);
514                 input_sync(kp.dev);
515         }
516
517         /* destroy input devs */
518         input_unregister_device(sony_laptop_input.key_dev);
519         sony_laptop_input.key_dev = NULL;
520
521         if (sony_laptop_input.jog_dev) {
522                 input_unregister_device(sony_laptop_input.jog_dev);
523                 sony_laptop_input.jog_dev = NULL;
524         }
525
526         kfifo_free(&sony_laptop_input.fifo);
527 }
528
529 /*********** Platform Device ***********/
530
531 static atomic_t sony_pf_users = ATOMIC_INIT(0);
532 static struct platform_driver sony_pf_driver = {
533         .driver = {
534                    .name = "sony-laptop",
535                    .owner = THIS_MODULE,
536                    }
537 };
538 static struct platform_device *sony_pf_device;
539
540 static int sony_pf_add(void)
541 {
542         int ret = 0;
543
544         /* don't run again if already initialized */
545         if (atomic_add_return(1, &sony_pf_users) > 1)
546                 return 0;
547
548         ret = platform_driver_register(&sony_pf_driver);
549         if (ret)
550                 goto out;
551
552         sony_pf_device = platform_device_alloc("sony-laptop", -1);
553         if (!sony_pf_device) {
554                 ret = -ENOMEM;
555                 goto out_platform_registered;
556         }
557
558         ret = platform_device_add(sony_pf_device);
559         if (ret)
560                 goto out_platform_alloced;
561
562         return 0;
563
564       out_platform_alloced:
565         platform_device_put(sony_pf_device);
566         sony_pf_device = NULL;
567       out_platform_registered:
568         platform_driver_unregister(&sony_pf_driver);
569       out:
570         atomic_dec(&sony_pf_users);
571         return ret;
572 }
573
574 static void sony_pf_remove(void)
575 {
576         /* deregister only after the last user has gone */
577         if (!atomic_dec_and_test(&sony_pf_users))
578                 return;
579
580         platform_device_unregister(sony_pf_device);
581         platform_driver_unregister(&sony_pf_driver);
582 }
583
584 /*********** SNC (SNY5001) Device ***********/
585
586 /* the device uses 1-based values, while the backlight subsystem uses
587    0-based values */
588 #define SONY_MAX_BRIGHTNESS     8
589
590 #define SNC_VALIDATE_IN         0
591 #define SNC_VALIDATE_OUT        1
592
593 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
594                               char *);
595 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
596                                const char *, size_t);
597 static int boolean_validate(const int, const int);
598 static int brightness_default_validate(const int, const int);
599
600 struct sony_nc_value {
601         char *name;             /* name of the entry */
602         char **acpiget;         /* names of the ACPI get function */
603         char **acpiset;         /* names of the ACPI set function */
604         int (*validate)(const int, const int);  /* input/output validation */
605         int value;              /* current setting */
606         int valid;              /* Has ever been set */
607         int debug;              /* active only in debug mode ? */
608         struct device_attribute devattr;        /* sysfs atribute */
609 };
610
611 #define SNC_HANDLE_NAMES(_name, _values...) \
612         static char *snc_##_name[] = { _values, NULL }
613
614 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
615         { \
616                 .name           = __stringify(_name), \
617                 .acpiget        = _getters, \
618                 .acpiset        = _setters, \
619                 .validate       = _validate, \
620                 .debug          = _debug, \
621                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
622         }
623
624 #define SNC_HANDLE_NULL { .name = NULL }
625
626 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
627
628 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
629 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
630
631 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
632 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
633
634 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
635 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
636
637 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
638 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
639
640 SNC_HANDLE_NAMES(lidstate_get, "GLID");
641
642 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
643 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
644
645 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
646 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
647
648 SNC_HANDLE_NAMES(PID_get, "GPID");
649
650 SNC_HANDLE_NAMES(CTR_get, "GCTR");
651 SNC_HANDLE_NAMES(CTR_set, "SCTR");
652
653 SNC_HANDLE_NAMES(PCR_get, "GPCR");
654 SNC_HANDLE_NAMES(PCR_set, "SPCR");
655
656 SNC_HANDLE_NAMES(CMI_get, "GCMI");
657 SNC_HANDLE_NAMES(CMI_set, "SCMI");
658
659 static struct sony_nc_value sony_nc_values[] = {
660         SNC_HANDLE(brightness_default, snc_brightness_def_get,
661                         snc_brightness_def_set, brightness_default_validate, 0),
662         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
663         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
664         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
665                         boolean_validate, 0),
666         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
667                         boolean_validate, 1),
668         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
669                         boolean_validate, 0),
670         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
671                         boolean_validate, 0),
672         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
673                         boolean_validate, 0),
674         /* unknown methods */
675         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
676         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
677         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
678         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
679         SNC_HANDLE_NULL
680 };
681
682 static acpi_handle sony_nc_acpi_handle;
683 static struct acpi_device *sony_nc_acpi_device = NULL;
684
685 /*
686  * acpi_evaluate_object wrappers
687  */
688 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
689 {
690         struct acpi_buffer output;
691         union acpi_object out_obj;
692         acpi_status status;
693
694         output.length = sizeof(out_obj);
695         output.pointer = &out_obj;
696
697         status = acpi_evaluate_object(handle, name, NULL, &output);
698         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
699                 *result = out_obj.integer.value;
700                 return 0;
701         }
702
703         pr_warn(DRV_PFX "acpi_callreadfunc failed\n");
704
705         return -1;
706 }
707
708 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
709                             int *result)
710 {
711         struct acpi_object_list params;
712         union acpi_object in_obj;
713         struct acpi_buffer output;
714         union acpi_object out_obj;
715         acpi_status status;
716
717         params.count = 1;
718         params.pointer = &in_obj;
719         in_obj.type = ACPI_TYPE_INTEGER;
720         in_obj.integer.value = value;
721
722         output.length = sizeof(out_obj);
723         output.pointer = &out_obj;
724
725         status = acpi_evaluate_object(handle, name, &params, &output);
726         if (status == AE_OK) {
727                 if (result != NULL) {
728                         if (out_obj.type != ACPI_TYPE_INTEGER) {
729                                 pr_warn(DRV_PFX "acpi_evaluate_object bad "
730                                        "return type\n");
731                                 return -1;
732                         }
733                         *result = out_obj.integer.value;
734                 }
735                 return 0;
736         }
737
738         pr_warn(DRV_PFX "acpi_evaluate_object failed\n");
739
740         return -1;
741 }
742
743 struct sony_nc_handles {
744         u16 cap[0x10];
745         struct device_attribute devattr;
746 };
747
748 struct sony_nc_handles *handles;
749
750 static ssize_t sony_nc_handles_show(struct device *dev,
751                 struct device_attribute *attr, char *buffer)
752 {
753         ssize_t len = 0;
754         int i;
755
756         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
757                 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
758                                 handles->cap[i]);
759         }
760         len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
761
762         return len;
763 }
764
765 static int sony_nc_handles_setup(struct platform_device *pd)
766 {
767         int i;
768         int result;
769
770         handles = kzalloc(sizeof(*handles), GFP_KERNEL);
771
772         sysfs_attr_init(&handles->devattr.attr);
773         handles->devattr.attr.name = "handles";
774         handles->devattr.attr.mode = S_IRUGO;
775         handles->devattr.show = sony_nc_handles_show;
776
777         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
778                 if (!acpi_callsetfunc(sony_nc_acpi_handle,
779                                         "SN00", i + 0x20, &result)) {
780                         dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
781                                         result, i);
782                         handles->cap[i] = result;
783                 }
784         }
785
786         /* allow reading capabilities via sysfs */
787         if (device_create_file(&pd->dev, &handles->devattr)) {
788                 kfree(handles);
789                 handles = NULL;
790                 return -1;
791         }
792
793         return 0;
794 }
795
796 static int sony_nc_handles_cleanup(struct platform_device *pd)
797 {
798         if (handles) {
799                 device_remove_file(&pd->dev, &handles->devattr);
800                 kfree(handles);
801                 handles = NULL;
802         }
803         return 0;
804 }
805
806 static int sony_find_snc_handle(int handle)
807 {
808         int i;
809         for (i = 0; i < 0x10; i++) {
810                 if (handles->cap[i] == handle) {
811                         dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
812                                         handle, i);
813                         return i;
814                 }
815         }
816         dprintk("handle 0x%.4x not found\n", handle);
817         return -1;
818 }
819
820 static int sony_call_snc_handle(int handle, int argument, int *result)
821 {
822         int ret = 0;
823         int offset = sony_find_snc_handle(handle);
824
825         if (offset < 0)
826                 return -1;
827
828         ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
829                         result);
830         dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
831                         *result);
832         return ret;
833 }
834
835 /*
836  * sony_nc_values input/output validate functions
837  */
838
839 /* brightness_default_validate:
840  *
841  * manipulate input output values to keep consistency with the
842  * backlight framework for which brightness values are 0-based.
843  */
844 static int brightness_default_validate(const int direction, const int value)
845 {
846         switch (direction) {
847                 case SNC_VALIDATE_OUT:
848                         return value - 1;
849                 case SNC_VALIDATE_IN:
850                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
851                                 return value + 1;
852         }
853         return -EINVAL;
854 }
855
856 /* boolean_validate:
857  *
858  * on input validate boolean values 0/1, on output just pass the
859  * received value.
860  */
861 static int boolean_validate(const int direction, const int value)
862 {
863         if (direction == SNC_VALIDATE_IN) {
864                 if (value != 0 && value != 1)
865                         return -EINVAL;
866         }
867         return value;
868 }
869
870 /*
871  * Sysfs show/store common to all sony_nc_values
872  */
873 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
874                               char *buffer)
875 {
876         int value;
877         struct sony_nc_value *item =
878             container_of(attr, struct sony_nc_value, devattr);
879
880         if (!*item->acpiget)
881                 return -EIO;
882
883         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
884                 return -EIO;
885
886         if (item->validate)
887                 value = item->validate(SNC_VALIDATE_OUT, value);
888
889         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
890 }
891
892 static ssize_t sony_nc_sysfs_store(struct device *dev,
893                                struct device_attribute *attr,
894                                const char *buffer, size_t count)
895 {
896         int value;
897         struct sony_nc_value *item =
898             container_of(attr, struct sony_nc_value, devattr);
899
900         if (!item->acpiset)
901                 return -EIO;
902
903         if (count > 31)
904                 return -EINVAL;
905
906         value = simple_strtoul(buffer, NULL, 10);
907
908         if (item->validate)
909                 value = item->validate(SNC_VALIDATE_IN, value);
910
911         if (value < 0)
912                 return value;
913
914         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
915                 return -EIO;
916         item->value = value;
917         item->valid = 1;
918         return count;
919 }
920
921
922 /*
923  * Backlight device
924  */
925 static int sony_backlight_update_status(struct backlight_device *bd)
926 {
927         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
928                                 bd->props.brightness + 1, NULL);
929 }
930
931 static int sony_backlight_get_brightness(struct backlight_device *bd)
932 {
933         int value;
934
935         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
936                 return 0;
937         /* brightness levels are 1-based, while backlight ones are 0-based */
938         return value - 1;
939 }
940
941 static struct backlight_device *sony_backlight_device;
942 static const struct backlight_ops sony_backlight_ops = {
943         .update_status = sony_backlight_update_status,
944         .get_brightness = sony_backlight_get_brightness,
945 };
946
947 /*
948  * New SNC-only Vaios event mapping to driver known keys
949  */
950 struct sony_nc_event {
951         u8      data;
952         u8      event;
953 };
954
955 static struct sony_nc_event sony_100_events[] = {
956         { 0x90, SONYPI_EVENT_PKEY_P1 },
957         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
958         { 0x91, SONYPI_EVENT_PKEY_P2 },
959         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
960         { 0x81, SONYPI_EVENT_FNKEY_F1 },
961         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
962         { 0x82, SONYPI_EVENT_FNKEY_F2 },
963         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
964         { 0x83, SONYPI_EVENT_FNKEY_F3 },
965         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
966         { 0x84, SONYPI_EVENT_FNKEY_F4 },
967         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
968         { 0x85, SONYPI_EVENT_FNKEY_F5 },
969         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
970         { 0x86, SONYPI_EVENT_FNKEY_F6 },
971         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
972         { 0x87, SONYPI_EVENT_FNKEY_F7 },
973         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
974         { 0x89, SONYPI_EVENT_FNKEY_F9 },
975         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
976         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
977         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
978         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
979         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
980         { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
981         { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
982         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
983         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
984         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
985         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
986         { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
987         { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
988         { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
989         { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
990         { 0xa6, SONYPI_EVENT_HELP_PRESSED },
991         { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
992         { 0, 0 },
993 };
994
995 static struct sony_nc_event sony_127_events[] = {
996         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
997         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
998         { 0x82, SONYPI_EVENT_PKEY_P1 },
999         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1000         { 0x83, SONYPI_EVENT_PKEY_P2 },
1001         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1002         { 0x84, SONYPI_EVENT_PKEY_P3 },
1003         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1004         { 0x85, SONYPI_EVENT_PKEY_P4 },
1005         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1006         { 0x86, SONYPI_EVENT_PKEY_P5 },
1007         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1008         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1009         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1010         { 0, 0 },
1011 };
1012
1013 /*
1014  * ACPI callbacks
1015  */
1016 static void sony_nc_notify(struct acpi_device *device, u32 event)
1017 {
1018         u32 ev = event;
1019
1020         if (ev >= 0x90) {
1021                 /* New-style event */
1022                 int result;
1023                 int key_handle = 0;
1024                 ev -= 0x90;
1025
1026                 if (sony_find_snc_handle(0x100) == ev)
1027                         key_handle = 0x100;
1028                 if (sony_find_snc_handle(0x127) == ev)
1029                         key_handle = 0x127;
1030
1031                 if (key_handle) {
1032                         struct sony_nc_event *key_event;
1033
1034                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
1035                                 dprintk("sony_nc_notify, unable to decode"
1036                                         " event 0x%.2x 0x%.2x\n", key_handle,
1037                                         ev);
1038                                 /* restore the original event */
1039                                 ev = event;
1040                         } else {
1041                                 ev = result & 0xFF;
1042
1043                                 if (key_handle == 0x100)
1044                                         key_event = sony_100_events;
1045                                 else
1046                                         key_event = sony_127_events;
1047
1048                                 for (; key_event->data; key_event++) {
1049                                         if (key_event->data == ev) {
1050                                                 ev = key_event->event;
1051                                                 break;
1052                                         }
1053                                 }
1054
1055                                 if (!key_event->data)
1056                                         pr_info(DRV_PFX
1057                                                         "Unknown event: 0x%x 0x%x\n",
1058                                                         key_handle,
1059                                                         ev);
1060                                 else
1061                                         sony_laptop_report_input_event(ev);
1062                         }
1063                 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
1064                         sony_nc_rfkill_update();
1065                         return;
1066                 }
1067         } else
1068                 sony_laptop_report_input_event(ev);
1069
1070         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
1071         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
1072 }
1073
1074 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1075                                       void *context, void **return_value)
1076 {
1077         struct acpi_device_info *info;
1078
1079         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1080                 pr_warn(DRV_PFX "method: name: %4.4s, args %X\n",
1081                         (char *)&info->name, info->param_count);
1082
1083                 kfree(info);
1084         }
1085
1086         return AE_OK;
1087 }
1088
1089 /*
1090  * ACPI device
1091  */
1092 static int sony_nc_function_setup(struct acpi_device *device)
1093 {
1094         int result;
1095
1096         /* Enable all events */
1097         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1098
1099         /* Setup hotkeys */
1100         sony_call_snc_handle(0x0100, 0, &result);
1101         sony_call_snc_handle(0x0101, 0, &result);
1102         sony_call_snc_handle(0x0102, 0x100, &result);
1103         sony_call_snc_handle(0x0127, 0, &result);
1104
1105         return 0;
1106 }
1107
1108 static int sony_nc_resume(struct acpi_device *device)
1109 {
1110         struct sony_nc_value *item;
1111         acpi_handle handle;
1112
1113         for (item = sony_nc_values; item->name; item++) {
1114                 int ret;
1115
1116                 if (!item->valid)
1117                         continue;
1118                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1119                                        item->value, NULL);
1120                 if (ret < 0) {
1121                         pr_err(DRV_PFX "%s: %d\n", __func__, ret);
1122                         break;
1123                 }
1124         }
1125
1126         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1127                                          &handle))) {
1128                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1129                         dprintk("ECON Method failed\n");
1130         }
1131
1132         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1133                                          &handle))) {
1134                 dprintk("Doing SNC setup\n");
1135                 sony_nc_function_setup(device);
1136         }
1137
1138         /* set the last requested brightness level */
1139         if (sony_backlight_device &&
1140                         sony_backlight_update_status(sony_backlight_device) < 0)
1141                 pr_warn(DRV_PFX "unable to restore brightness level\n");
1142
1143         /* re-read rfkill state */
1144         sony_nc_rfkill_update();
1145
1146         return 0;
1147 }
1148
1149 static void sony_nc_rfkill_cleanup(void)
1150 {
1151         int i;
1152
1153         for (i = 0; i < N_SONY_RFKILL; i++) {
1154                 if (sony_rfkill_devices[i]) {
1155                         rfkill_unregister(sony_rfkill_devices[i]);
1156                         rfkill_destroy(sony_rfkill_devices[i]);
1157                 }
1158         }
1159 }
1160
1161 static int sony_nc_rfkill_set(void *data, bool blocked)
1162 {
1163         int result;
1164         int argument = sony_rfkill_address[(long) data] + 0x100;
1165
1166         if (!blocked)
1167                 argument |= 0xff0000;
1168
1169         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1170 }
1171
1172 static const struct rfkill_ops sony_rfkill_ops = {
1173         .set_block = sony_nc_rfkill_set,
1174 };
1175
1176 static int sony_nc_setup_rfkill(struct acpi_device *device,
1177                                 enum sony_nc_rfkill nc_type)
1178 {
1179         int err = 0;
1180         struct rfkill *rfk;
1181         enum rfkill_type type;
1182         const char *name;
1183         int result;
1184         bool hwblock;
1185
1186         switch (nc_type) {
1187         case SONY_WIFI:
1188                 type = RFKILL_TYPE_WLAN;
1189                 name = "sony-wifi";
1190                 break;
1191         case SONY_BLUETOOTH:
1192                 type = RFKILL_TYPE_BLUETOOTH;
1193                 name = "sony-bluetooth";
1194                 break;
1195         case SONY_WWAN:
1196                 type = RFKILL_TYPE_WWAN;
1197                 name = "sony-wwan";
1198                 break;
1199         case SONY_WIMAX:
1200                 type = RFKILL_TYPE_WIMAX;
1201                 name = "sony-wimax";
1202                 break;
1203         default:
1204                 return -EINVAL;
1205         }
1206
1207         rfk = rfkill_alloc(name, &device->dev, type,
1208                            &sony_rfkill_ops, (void *)nc_type);
1209         if (!rfk)
1210                 return -ENOMEM;
1211
1212         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1213         hwblock = !(result & 0x1);
1214         rfkill_set_hw_state(rfk, hwblock);
1215
1216         err = rfkill_register(rfk);
1217         if (err) {
1218                 rfkill_destroy(rfk);
1219                 return err;
1220         }
1221         sony_rfkill_devices[nc_type] = rfk;
1222         return err;
1223 }
1224
1225 static void sony_nc_rfkill_update(void)
1226 {
1227         enum sony_nc_rfkill i;
1228         int result;
1229         bool hwblock;
1230
1231         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1232         hwblock = !(result & 0x1);
1233
1234         for (i = 0; i < N_SONY_RFKILL; i++) {
1235                 int argument = sony_rfkill_address[i];
1236
1237                 if (!sony_rfkill_devices[i])
1238                         continue;
1239
1240                 if (hwblock) {
1241                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1242                                 /* we already know we're blocked */
1243                         }
1244                         continue;
1245                 }
1246
1247                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1248                 rfkill_set_states(sony_rfkill_devices[i],
1249                                   !(result & 0xf), false);
1250         }
1251 }
1252
1253 static void sony_nc_rfkill_setup(struct acpi_device *device)
1254 {
1255         int offset;
1256         u8 dev_code, i;
1257         acpi_status status;
1258         struct acpi_object_list params;
1259         union acpi_object in_obj;
1260         union acpi_object *device_enum;
1261         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1262
1263         offset = sony_find_snc_handle(0x124);
1264         if (offset == -1) {
1265                 offset = sony_find_snc_handle(0x135);
1266                 if (offset == -1)
1267                         return;
1268                 else
1269                         sony_rfkill_handle = 0x135;
1270         } else
1271                 sony_rfkill_handle = 0x124;
1272         dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1273
1274         /* need to read the whole buffer returned by the acpi call to SN06
1275          * here otherwise we may miss some features
1276          */
1277         params.count = 1;
1278         params.pointer = &in_obj;
1279         in_obj.type = ACPI_TYPE_INTEGER;
1280         in_obj.integer.value = offset;
1281         status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1282                         &buffer);
1283         if (ACPI_FAILURE(status)) {
1284                 dprintk("Radio device enumeration failed\n");
1285                 return;
1286         }
1287
1288         device_enum = (union acpi_object *) buffer.pointer;
1289         if (!device_enum || device_enum->type != ACPI_TYPE_BUFFER) {
1290                 pr_err(DRV_PFX "Invalid SN06 return object 0x%.2x\n",
1291                                 device_enum->type);
1292                 goto out_no_enum;
1293         }
1294
1295         /* the buffer is filled with magic numbers describing the devices
1296          * available, 0xff terminates the enumeration
1297          */
1298         for (i = 0; i < device_enum->buffer.length; i++) {
1299
1300                 dev_code = *(device_enum->buffer.pointer + i);
1301                 if (dev_code == 0xff)
1302                         break;
1303
1304                 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1305
1306                 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1307                         sony_nc_setup_rfkill(device, SONY_WIFI);
1308
1309                 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1310                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1311
1312                 if ((0xf0 & dev_code) == 0x20 &&
1313                                 !sony_rfkill_devices[SONY_WWAN])
1314                         sony_nc_setup_rfkill(device, SONY_WWAN);
1315
1316                 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1317                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1318         }
1319
1320 out_no_enum:
1321         kfree(buffer.pointer);
1322         return;
1323 }
1324
1325 /* Keyboard backlight feature */
1326 #define KBDBL_HANDLER   0x137
1327 #define KBDBL_PRESENT   0xB00
1328 #define SET_MODE        0xC00
1329 #define SET_TIMEOUT     0xE00
1330
1331 struct kbd_backlight {
1332         int mode;
1333         int timeout;
1334         struct device_attribute mode_attr;
1335         struct device_attribute timeout_attr;
1336 };
1337
1338 struct kbd_backlight *kbdbl_handle;
1339
1340 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1341 {
1342         int result;
1343
1344         if (value > 1)
1345                 return -EINVAL;
1346
1347         if (sony_call_snc_handle(KBDBL_HANDLER,
1348                                 (value << 0x10) | SET_MODE, &result))
1349                 return -EIO;
1350
1351         kbdbl_handle->mode = value;
1352
1353         return 0;
1354 }
1355
1356 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1357                 struct device_attribute *attr,
1358                 const char *buffer, size_t count)
1359 {
1360         int ret = 0;
1361         unsigned long value;
1362
1363         if (count > 31)
1364                 return -EINVAL;
1365
1366         if (strict_strtoul(buffer, 10, &value))
1367                 return -EINVAL;
1368
1369         ret = __sony_nc_kbd_backlight_mode_set(value);
1370         if (ret < 0)
1371                 return ret;
1372
1373         return count;
1374 }
1375
1376 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1377                 struct device_attribute *attr, char *buffer)
1378 {
1379         ssize_t count = 0;
1380         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
1381         return count;
1382 }
1383
1384 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1385 {
1386         int result;
1387
1388         if (value > 3)
1389                 return -EINVAL;
1390
1391         if (sony_call_snc_handle(KBDBL_HANDLER,
1392                                 (value << 0x10) | SET_TIMEOUT, &result))
1393                 return -EIO;
1394
1395         kbdbl_handle->timeout = value;
1396
1397         return 0;
1398 }
1399
1400 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1401                 struct device_attribute *attr,
1402                 const char *buffer, size_t count)
1403 {
1404         int ret = 0;
1405         unsigned long value;
1406
1407         if (count > 31)
1408                 return -EINVAL;
1409
1410         if (strict_strtoul(buffer, 10, &value))
1411                 return -EINVAL;
1412
1413         ret = __sony_nc_kbd_backlight_timeout_set(value);
1414         if (ret < 0)
1415                 return ret;
1416
1417         return count;
1418 }
1419
1420 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1421                 struct device_attribute *attr, char *buffer)
1422 {
1423         ssize_t count = 0;
1424         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
1425         return count;
1426 }
1427
1428 static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
1429 {
1430         int result;
1431
1432         if (sony_call_snc_handle(0x137, KBDBL_PRESENT, &result))
1433                 return 0;
1434         if (!(result & 0x02))
1435                 return 0;
1436
1437         kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
1438
1439         sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
1440         kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
1441         kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1442         kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1443         kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1444
1445         sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
1446         kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
1447         kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1448         kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1449         kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1450
1451         if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
1452                 goto outkzalloc;
1453
1454         if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
1455                 goto outmode;
1456
1457         __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1458         __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1459
1460         return 0;
1461
1462 outmode:
1463         device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1464 outkzalloc:
1465         kfree(kbdbl_handle);
1466         kbdbl_handle = NULL;
1467         return -1;
1468 }
1469
1470 static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1471 {
1472         if (kbdbl_handle) {
1473                 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1474                 device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
1475                 kfree(kbdbl_handle);
1476         }
1477         return 0;
1478 }
1479
1480 static int sony_nc_add(struct acpi_device *device)
1481 {
1482         acpi_status status;
1483         int result = 0;
1484         acpi_handle handle;
1485         struct sony_nc_value *item;
1486
1487         pr_info(DRV_PFX "%s v%s.\n", SONY_NC_DRIVER_NAME,
1488                         SONY_LAPTOP_DRIVER_VERSION);
1489
1490         sony_nc_acpi_device = device;
1491         strcpy(acpi_device_class(device), "sony/hotkey");
1492
1493         sony_nc_acpi_handle = device->handle;
1494
1495         /* read device status */
1496         result = acpi_bus_get_status(device);
1497         /* bail IFF the above call was successful and the device is not present */
1498         if (!result && !device->status.present) {
1499                 dprintk("Device not present\n");
1500                 result = -ENODEV;
1501                 goto outwalk;
1502         }
1503
1504         result = sony_pf_add();
1505         if (result)
1506                 goto outpresent;
1507
1508         if (debug) {
1509                 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
1510                                 sony_nc_acpi_handle, 1, sony_walk_callback,
1511                                 NULL, NULL, NULL);
1512                 if (ACPI_FAILURE(status)) {
1513                         pr_warn(DRV_PFX "unable to walk acpi resources\n");
1514                         result = -ENODEV;
1515                         goto outpresent;
1516                 }
1517         }
1518
1519         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1520                                          &handle))) {
1521                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1522                         dprintk("ECON Method failed\n");
1523         }
1524
1525         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1526                                          &handle))) {
1527                 dprintk("Doing SNC setup\n");
1528                 if (sony_nc_handles_setup(sony_pf_device))
1529                         goto outpresent;
1530                 if (sony_nc_kbd_backlight_setup(sony_pf_device))
1531                         goto outsnc;
1532                 sony_nc_function_setup(device);
1533                 sony_nc_rfkill_setup(device);
1534         }
1535
1536         /* setup input devices and helper fifo */
1537         result = sony_laptop_setup_input(device);
1538         if (result) {
1539                 pr_err(DRV_PFX "Unable to create input devices.\n");
1540                 goto outkbdbacklight;
1541         }
1542
1543         if (acpi_video_backlight_support()) {
1544                 pr_info(DRV_PFX "brightness ignored, must be "
1545                        "controlled by ACPI video driver\n");
1546         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1547                                                 &handle))) {
1548                 struct backlight_properties props;
1549                 memset(&props, 0, sizeof(struct backlight_properties));
1550                 props.type = BACKLIGHT_PLATFORM;
1551                 props.max_brightness = SONY_MAX_BRIGHTNESS - 1;
1552                 sony_backlight_device = backlight_device_register("sony", NULL,
1553                                                                   NULL,
1554                                                                   &sony_backlight_ops,
1555                                                                   &props);
1556
1557                 if (IS_ERR(sony_backlight_device)) {
1558                         pr_warning(DRV_PFX "unable to register backlight device\n");
1559                         sony_backlight_device = NULL;
1560                 } else {
1561                         sony_backlight_device->props.brightness =
1562                             sony_backlight_get_brightness
1563                             (sony_backlight_device);
1564                 }
1565
1566         }
1567
1568         /* create sony_pf sysfs attributes related to the SNC device */
1569         for (item = sony_nc_values; item->name; ++item) {
1570
1571                 if (!debug && item->debug)
1572                         continue;
1573
1574                 /* find the available acpiget as described in the DSDT */
1575                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1576                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1577                                                          *item->acpiget,
1578                                                          &handle))) {
1579                                 dprintk("Found %s getter: %s\n",
1580                                                 item->name, *item->acpiget);
1581                                 item->devattr.attr.mode |= S_IRUGO;
1582                                 break;
1583                         }
1584                 }
1585
1586                 /* find the available acpiset as described in the DSDT */
1587                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1588                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1589                                                          *item->acpiset,
1590                                                          &handle))) {
1591                                 dprintk("Found %s setter: %s\n",
1592                                                 item->name, *item->acpiset);
1593                                 item->devattr.attr.mode |= S_IWUSR;
1594                                 break;
1595                         }
1596                 }
1597
1598                 if (item->devattr.attr.mode != 0) {
1599                         result =
1600                             device_create_file(&sony_pf_device->dev,
1601                                                &item->devattr);
1602                         if (result)
1603                                 goto out_sysfs;
1604                 }
1605         }
1606
1607         return 0;
1608
1609       out_sysfs:
1610         for (item = sony_nc_values; item->name; ++item) {
1611                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1612         }
1613         if (sony_backlight_device)
1614                 backlight_device_unregister(sony_backlight_device);
1615
1616         sony_laptop_remove_input();
1617
1618       outkbdbacklight:
1619         sony_nc_kbd_backlight_cleanup(sony_pf_device);
1620
1621       outsnc:
1622         sony_nc_handles_cleanup(sony_pf_device);
1623
1624       outpresent:
1625         sony_pf_remove();
1626
1627       outwalk:
1628         sony_nc_rfkill_cleanup();
1629         return result;
1630 }
1631
1632 static int sony_nc_remove(struct acpi_device *device, int type)
1633 {
1634         struct sony_nc_value *item;
1635
1636         if (sony_backlight_device)
1637                 backlight_device_unregister(sony_backlight_device);
1638
1639         sony_nc_acpi_device = NULL;
1640
1641         for (item = sony_nc_values; item->name; ++item) {
1642                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1643         }
1644
1645         sony_nc_kbd_backlight_cleanup(sony_pf_device);
1646         sony_nc_handles_cleanup(sony_pf_device);
1647         sony_pf_remove();
1648         sony_laptop_remove_input();
1649         sony_nc_rfkill_cleanup();
1650         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1651
1652         return 0;
1653 }
1654
1655 static const struct acpi_device_id sony_device_ids[] = {
1656         {SONY_NC_HID, 0},
1657         {SONY_PIC_HID, 0},
1658         {"", 0},
1659 };
1660 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1661
1662 static const struct acpi_device_id sony_nc_device_ids[] = {
1663         {SONY_NC_HID, 0},
1664         {"", 0},
1665 };
1666
1667 static struct acpi_driver sony_nc_driver = {
1668         .name = SONY_NC_DRIVER_NAME,
1669         .class = SONY_NC_CLASS,
1670         .ids = sony_nc_device_ids,
1671         .owner = THIS_MODULE,
1672         .ops = {
1673                 .add = sony_nc_add,
1674                 .remove = sony_nc_remove,
1675                 .resume = sony_nc_resume,
1676                 .notify = sony_nc_notify,
1677                 },
1678 };
1679
1680 /*********** SPIC (SNY6001) Device ***********/
1681
1682 #define SONYPI_DEVICE_TYPE1     0x00000001
1683 #define SONYPI_DEVICE_TYPE2     0x00000002
1684 #define SONYPI_DEVICE_TYPE3     0x00000004
1685
1686 #define SONYPI_TYPE1_OFFSET     0x04
1687 #define SONYPI_TYPE2_OFFSET     0x12
1688 #define SONYPI_TYPE3_OFFSET     0x12
1689
1690 struct sony_pic_ioport {
1691         struct acpi_resource_io io1;
1692         struct acpi_resource_io io2;
1693         struct list_head        list;
1694 };
1695
1696 struct sony_pic_irq {
1697         struct acpi_resource_irq        irq;
1698         struct list_head                list;
1699 };
1700
1701 struct sonypi_eventtypes {
1702         u8                      data;
1703         unsigned long           mask;
1704         struct sonypi_event     *events;
1705 };
1706
1707 struct sony_pic_dev {
1708         struct acpi_device              *acpi_dev;
1709         struct sony_pic_irq             *cur_irq;
1710         struct sony_pic_ioport          *cur_ioport;
1711         struct list_head                interrupts;
1712         struct list_head                ioports;
1713         struct mutex                    lock;
1714         struct sonypi_eventtypes        *event_types;
1715         int                             (*handle_irq)(const u8, const u8);
1716         int                             model;
1717         u16                             evport_offset;
1718         u8                              camera_power;
1719         u8                              bluetooth_power;
1720         u8                              wwan_power;
1721 };
1722
1723 static struct sony_pic_dev spic_dev = {
1724         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1725         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1726 };
1727
1728 static int spic_drv_registered;
1729
1730 /* Event masks */
1731 #define SONYPI_JOGGER_MASK                      0x00000001
1732 #define SONYPI_CAPTURE_MASK                     0x00000002
1733 #define SONYPI_FNKEY_MASK                       0x00000004
1734 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1735 #define SONYPI_PKEY_MASK                        0x00000010
1736 #define SONYPI_BACK_MASK                        0x00000020
1737 #define SONYPI_HELP_MASK                        0x00000040
1738 #define SONYPI_LID_MASK                         0x00000080
1739 #define SONYPI_ZOOM_MASK                        0x00000100
1740 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1741 #define SONYPI_MEYE_MASK                        0x00000400
1742 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1743 #define SONYPI_BATTERY_MASK                     0x00001000
1744 #define SONYPI_WIRELESS_MASK                    0x00002000
1745
1746 struct sonypi_event {
1747         u8      data;
1748         u8      event;
1749 };
1750
1751 /* The set of possible button release events */
1752 static struct sonypi_event sonypi_releaseev[] = {
1753         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1754         { 0, 0 }
1755 };
1756
1757 /* The set of possible jogger events  */
1758 static struct sonypi_event sonypi_joggerev[] = {
1759         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1760         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1761         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1762         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1763         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1764         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1765         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1766         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1767         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1768         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1769         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1770         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1771         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1772         { 0, 0 }
1773 };
1774
1775 /* The set of possible capture button events */
1776 static struct sonypi_event sonypi_captureev[] = {
1777         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1778         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1779         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1780         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1781         { 0, 0 }
1782 };
1783
1784 /* The set of possible fnkeys events */
1785 static struct sonypi_event sonypi_fnkeyev[] = {
1786         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1787         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1788         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1789         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1790         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1791         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1792         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1793         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1794         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1795         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1796         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1797         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1798         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1799         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1800         { 0x21, SONYPI_EVENT_FNKEY_1 },
1801         { 0x22, SONYPI_EVENT_FNKEY_2 },
1802         { 0x31, SONYPI_EVENT_FNKEY_D },
1803         { 0x32, SONYPI_EVENT_FNKEY_E },
1804         { 0x33, SONYPI_EVENT_FNKEY_F },
1805         { 0x34, SONYPI_EVENT_FNKEY_S },
1806         { 0x35, SONYPI_EVENT_FNKEY_B },
1807         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1808         { 0, 0 }
1809 };
1810
1811 /* The set of possible program key events */
1812 static struct sonypi_event sonypi_pkeyev[] = {
1813         { 0x01, SONYPI_EVENT_PKEY_P1 },
1814         { 0x02, SONYPI_EVENT_PKEY_P2 },
1815         { 0x04, SONYPI_EVENT_PKEY_P3 },
1816         { 0x20, SONYPI_EVENT_PKEY_P1 },
1817         { 0, 0 }
1818 };
1819
1820 /* The set of possible bluetooth events */
1821 static struct sonypi_event sonypi_blueev[] = {
1822         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1823         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1824         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1825         { 0, 0 }
1826 };
1827
1828 /* The set of possible wireless events */
1829 static struct sonypi_event sonypi_wlessev[] = {
1830         { 0x59, SONYPI_EVENT_IGNORE },
1831         { 0x5a, SONYPI_EVENT_IGNORE },
1832         { 0, 0 }
1833 };
1834
1835 /* The set of possible back button events */
1836 static struct sonypi_event sonypi_backev[] = {
1837         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1838         { 0, 0 }
1839 };
1840
1841 /* The set of possible help button events */
1842 static struct sonypi_event sonypi_helpev[] = {
1843         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1844         { 0, 0 }
1845 };
1846
1847
1848 /* The set of possible lid events */
1849 static struct sonypi_event sonypi_lidev[] = {
1850         { 0x51, SONYPI_EVENT_LID_CLOSED },
1851         { 0x50, SONYPI_EVENT_LID_OPENED },
1852         { 0, 0 }
1853 };
1854
1855 /* The set of possible zoom events */
1856 static struct sonypi_event sonypi_zoomev[] = {
1857         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1858         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1859         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1860         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1861         { 0, 0 }
1862 };
1863
1864 /* The set of possible thumbphrase events */
1865 static struct sonypi_event sonypi_thumbphraseev[] = {
1866         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1867         { 0, 0 }
1868 };
1869
1870 /* The set of possible motioneye camera events */
1871 static struct sonypi_event sonypi_meyeev[] = {
1872         { 0x00, SONYPI_EVENT_MEYE_FACE },
1873         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1874         { 0, 0 }
1875 };
1876
1877 /* The set of possible memorystick events */
1878 static struct sonypi_event sonypi_memorystickev[] = {
1879         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1880         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1881         { 0, 0 }
1882 };
1883
1884 /* The set of possible battery events */
1885 static struct sonypi_event sonypi_batteryev[] = {
1886         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1887         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1888         { 0, 0 }
1889 };
1890
1891 /* The set of possible volume events */
1892 static struct sonypi_event sonypi_volumeev[] = {
1893         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1894         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1895         { 0, 0 }
1896 };
1897
1898 /* The set of possible brightness events */
1899 static struct sonypi_event sonypi_brightnessev[] = {
1900         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
1901         { 0, 0 }
1902 };
1903
1904 static struct sonypi_eventtypes type1_events[] = {
1905         { 0, 0xffffffff, sonypi_releaseev },
1906         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1907         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
1908         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1909         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1910         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1911         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1912         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1913         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1914         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1915         { 0 },
1916 };
1917 static struct sonypi_eventtypes type2_events[] = {
1918         { 0, 0xffffffff, sonypi_releaseev },
1919         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
1920         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1921         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1922         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1923         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1924         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1925         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
1926         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1927         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1928         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1929         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1930         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1931         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1932         { 0 },
1933 };
1934 static struct sonypi_eventtypes type3_events[] = {
1935         { 0, 0xffffffff, sonypi_releaseev },
1936         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1937         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1938         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1939         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1940         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1941         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
1942         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
1943         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
1944         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
1945         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
1946         { 0 },
1947 };
1948
1949 /* low level spic calls */
1950 #define ITERATIONS_LONG         10000
1951 #define ITERATIONS_SHORT        10
1952 #define wait_on_command(command, iterations) {                          \
1953         unsigned int n = iterations;                                    \
1954         while (--n && (command))                                        \
1955                 udelay(1);                                              \
1956         if (!n)                                                         \
1957                 dprintk("command failed at %s : %s (line %d)\n",        \
1958                                 __FILE__, __func__, __LINE__);  \
1959 }
1960
1961 static u8 sony_pic_call1(u8 dev)
1962 {
1963         u8 v1, v2;
1964
1965         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1966                         ITERATIONS_LONG);
1967         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1968         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
1969         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
1970         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
1971         return v2;
1972 }
1973
1974 static u8 sony_pic_call2(u8 dev, u8 fn)
1975 {
1976         u8 v1;
1977
1978         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1979                         ITERATIONS_LONG);
1980         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1981         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
1982                         ITERATIONS_LONG);
1983         outb(fn, spic_dev.cur_ioport->io1.minimum);
1984         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
1985         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
1986         return v1;
1987 }
1988
1989 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1990 {
1991         u8 v1;
1992
1993         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1994         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
1995         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1996         outb(fn, spic_dev.cur_ioport->io1.minimum);
1997         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
1998         outb(v, spic_dev.cur_ioport->io1.minimum);
1999         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2000         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
2001                         dev, fn, v, v1);
2002         return v1;
2003 }
2004
2005 /*
2006  * minidrivers for SPIC models
2007  */
2008 static int type3_handle_irq(const u8 data_mask, const u8 ev)
2009 {
2010         /*
2011          * 0x31 could mean we have to take some extra action and wait for
2012          * the next irq for some Type3 models, it will generate a new
2013          * irq and we can read new data from the device:
2014          *  - 0x5c and 0x5f requires 0xA0
2015          *  - 0x61 requires 0xB3
2016          */
2017         if (data_mask == 0x31) {
2018                 if (ev == 0x5c || ev == 0x5f)
2019                         sony_pic_call1(0xA0);
2020                 else if (ev == 0x61)
2021                         sony_pic_call1(0xB3);
2022                 return 0;
2023         }
2024         return 1;
2025 }
2026
2027 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
2028 {
2029         struct pci_dev *pcidev;
2030
2031         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2032                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
2033         if (pcidev) {
2034                 dev->model = SONYPI_DEVICE_TYPE1;
2035                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
2036                 dev->event_types = type1_events;
2037                 goto out;
2038         }
2039
2040         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2041                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
2042         if (pcidev) {
2043                 dev->model = SONYPI_DEVICE_TYPE2;
2044                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2045                 dev->event_types = type2_events;
2046                 goto out;
2047         }
2048
2049         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2050                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
2051         if (pcidev) {
2052                 dev->model = SONYPI_DEVICE_TYPE3;
2053                 dev->handle_irq = type3_handle_irq;
2054                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2055                 dev->event_types = type3_events;
2056                 goto out;
2057         }
2058
2059         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2060                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
2061         if (pcidev) {
2062                 dev->model = SONYPI_DEVICE_TYPE3;
2063                 dev->handle_irq = type3_handle_irq;
2064                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2065                 dev->event_types = type3_events;
2066                 goto out;
2067         }
2068
2069         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2070                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
2071         if (pcidev) {
2072                 dev->model = SONYPI_DEVICE_TYPE3;
2073                 dev->handle_irq = type3_handle_irq;
2074                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2075                 dev->event_types = type3_events;
2076                 goto out;
2077         }
2078
2079         /* default */
2080         dev->model = SONYPI_DEVICE_TYPE2;
2081         dev->evport_offset = SONYPI_TYPE2_OFFSET;
2082         dev->event_types = type2_events;
2083
2084 out:
2085         if (pcidev)
2086                 pci_dev_put(pcidev);
2087
2088         pr_info(DRV_PFX "detected Type%d model\n",
2089                         dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
2090                         dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
2091 }
2092
2093 /* camera tests and poweron/poweroff */
2094 #define SONYPI_CAMERA_PICTURE           5
2095 #define SONYPI_CAMERA_CONTROL           0x10
2096
2097 #define SONYPI_CAMERA_BRIGHTNESS                0
2098 #define SONYPI_CAMERA_CONTRAST                  1
2099 #define SONYPI_CAMERA_HUE                       2
2100 #define SONYPI_CAMERA_COLOR                     3
2101 #define SONYPI_CAMERA_SHARPNESS                 4
2102
2103 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
2104 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
2105 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
2106 #define SONYPI_CAMERA_MUTE_MASK                 0x40
2107
2108 /* the rest don't need a loop until not 0xff */
2109 #define SONYPI_CAMERA_AGC                       6
2110 #define SONYPI_CAMERA_AGC_MASK                  0x30
2111 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
2112
2113 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
2114 #define SONYPI_CAMERA_CONTROL                   0x10
2115
2116 #define SONYPI_CAMERA_STATUS                    7
2117 #define SONYPI_CAMERA_STATUS_READY              0x2
2118 #define SONYPI_CAMERA_STATUS_POSITION           0x4
2119
2120 #define SONYPI_DIRECTION_BACKWARDS              0x4
2121
2122 #define SONYPI_CAMERA_REVISION                  8
2123 #define SONYPI_CAMERA_ROMVERSION                9
2124
2125 static int __sony_pic_camera_ready(void)
2126 {
2127         u8 v;
2128
2129         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
2130         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
2131 }
2132
2133 static int __sony_pic_camera_off(void)
2134 {
2135         if (!camera) {
2136                 pr_warn(DRV_PFX "camera control not enabled\n");
2137                 return -ENODEV;
2138         }
2139
2140         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
2141                                 SONYPI_CAMERA_MUTE_MASK),
2142                         ITERATIONS_SHORT);
2143
2144         if (spic_dev.camera_power) {
2145                 sony_pic_call2(0x91, 0);
2146                 spic_dev.camera_power = 0;
2147         }
2148         return 0;
2149 }
2150
2151 static int __sony_pic_camera_on(void)
2152 {
2153         int i, j, x;
2154
2155         if (!camera) {
2156                 pr_warn(DRV_PFX "camera control not enabled\n");
2157                 return -ENODEV;
2158         }
2159
2160         if (spic_dev.camera_power)
2161                 return 0;
2162
2163         for (j = 5; j > 0; j--) {
2164
2165                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
2166                         msleep(10);
2167                 sony_pic_call1(0x93);
2168
2169                 for (i = 400; i > 0; i--) {
2170                         if (__sony_pic_camera_ready())
2171                                 break;
2172                         msleep(10);
2173                 }
2174                 if (i)
2175                         break;
2176         }
2177
2178         if (j == 0) {
2179                 pr_warn(DRV_PFX "failed to power on camera\n");
2180                 return -ENODEV;
2181         }
2182
2183         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
2184                                 0x5a),
2185                         ITERATIONS_SHORT);
2186
2187         spic_dev.camera_power = 1;
2188         return 0;
2189 }
2190
2191 /* External camera command (exported to the motion eye v4l driver) */
2192 int sony_pic_camera_command(int command, u8 value)
2193 {
2194         if (!camera)
2195                 return -EIO;
2196
2197         mutex_lock(&spic_dev.lock);
2198
2199         switch (command) {
2200         case SONY_PIC_COMMAND_SETCAMERA:
2201                 if (value)
2202                         __sony_pic_camera_on();
2203                 else
2204                         __sony_pic_camera_off();
2205                 break;
2206         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
2207                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
2208                                 ITERATIONS_SHORT);
2209                 break;
2210         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
2211                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
2212                                 ITERATIONS_SHORT);
2213                 break;
2214         case SONY_PIC_COMMAND_SETCAMERAHUE:
2215                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
2216                                 ITERATIONS_SHORT);
2217                 break;
2218         case SONY_PIC_COMMAND_SETCAMERACOLOR:
2219                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
2220                                 ITERATIONS_SHORT);
2221                 break;
2222         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
2223                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
2224                                 ITERATIONS_SHORT);
2225                 break;
2226         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
2227                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
2228                                 ITERATIONS_SHORT);
2229                 break;
2230         case SONY_PIC_COMMAND_SETCAMERAAGC:
2231                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
2232                                 ITERATIONS_SHORT);
2233                 break;
2234         default:
2235                 pr_err(DRV_PFX "sony_pic_camera_command invalid: %d\n",
2236                        command);
2237                 break;
2238         }
2239         mutex_unlock(&spic_dev.lock);
2240         return 0;
2241 }
2242 EXPORT_SYMBOL(sony_pic_camera_command);
2243
2244 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2245 static void __sony_pic_set_wwanpower(u8 state)
2246 {
2247         state = !!state;
2248         if (spic_dev.wwan_power == state)
2249                 return;
2250         sony_pic_call2(0xB0, state);
2251         sony_pic_call1(0x82);
2252         spic_dev.wwan_power = state;
2253 }
2254
2255 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2256                 struct device_attribute *attr,
2257                 const char *buffer, size_t count)
2258 {
2259         unsigned long value;
2260         if (count > 31)
2261                 return -EINVAL;
2262
2263         value = simple_strtoul(buffer, NULL, 10);
2264         mutex_lock(&spic_dev.lock);
2265         __sony_pic_set_wwanpower(value);
2266         mutex_unlock(&spic_dev.lock);
2267
2268         return count;
2269 }
2270
2271 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2272                 struct device_attribute *attr, char *buffer)
2273 {
2274         ssize_t count;
2275         mutex_lock(&spic_dev.lock);
2276         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2277         mutex_unlock(&spic_dev.lock);
2278         return count;
2279 }
2280
2281 /* bluetooth subsystem power state */
2282 static void __sony_pic_set_bluetoothpower(u8 state)
2283 {
2284         state = !!state;
2285         if (spic_dev.bluetooth_power == state)
2286                 return;
2287         sony_pic_call2(0x96, state);
2288         sony_pic_call1(0x82);
2289         spic_dev.bluetooth_power = state;
2290 }
2291
2292 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2293                 struct device_attribute *attr,
2294                 const char *buffer, size_t count)
2295 {
2296         unsigned long value;
2297         if (count > 31)
2298                 return -EINVAL;
2299
2300         value = simple_strtoul(buffer, NULL, 10);
2301         mutex_lock(&spic_dev.lock);
2302         __sony_pic_set_bluetoothpower(value);
2303         mutex_unlock(&spic_dev.lock);
2304
2305         return count;
2306 }
2307
2308 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2309                 struct device_attribute *attr, char *buffer)
2310 {
2311         ssize_t count = 0;
2312         mutex_lock(&spic_dev.lock);
2313         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2314         mutex_unlock(&spic_dev.lock);
2315         return count;
2316 }
2317
2318 /* fan speed */
2319 /* FAN0 information (reverse engineered from ACPI tables) */
2320 #define SONY_PIC_FAN0_STATUS    0x93
2321 static int sony_pic_set_fanspeed(unsigned long value)
2322 {
2323         return ec_write(SONY_PIC_FAN0_STATUS, value);
2324 }
2325
2326 static int sony_pic_get_fanspeed(u8 *value)
2327 {
2328         return ec_read(SONY_PIC_FAN0_STATUS, value);
2329 }
2330
2331 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2332                 struct device_attribute *attr,
2333                 const char *buffer, size_t count)
2334 {
2335         unsigned long value;
2336         if (count > 31)
2337                 return -EINVAL;
2338
2339         value = simple_strtoul(buffer, NULL, 10);
2340         if (sony_pic_set_fanspeed(value))
2341                 return -EIO;
2342
2343         return count;
2344 }
2345
2346 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2347                 struct device_attribute *attr, char *buffer)
2348 {
2349         u8 value = 0;
2350         if (sony_pic_get_fanspeed(&value))
2351                 return -EIO;
2352
2353         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2354 }
2355
2356 #define SPIC_ATTR(_name, _mode)                                 \
2357 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2358                 _mode, sony_pic_## _name ##_show,               \
2359                 sony_pic_## _name ##_store)
2360
2361 static SPIC_ATTR(bluetoothpower, 0644);
2362 static SPIC_ATTR(wwanpower, 0644);
2363 static SPIC_ATTR(fanspeed, 0644);
2364
2365 static struct attribute *spic_attributes[] = {
2366         &spic_attr_bluetoothpower.attr,
2367         &spic_attr_wwanpower.attr,
2368         &spic_attr_fanspeed.attr,
2369         NULL
2370 };
2371
2372 static struct attribute_group spic_attribute_group = {
2373         .attrs = spic_attributes
2374 };
2375
2376 /******** SONYPI compatibility **********/
2377 #ifdef CONFIG_SONYPI_COMPAT
2378
2379 /* battery / brightness / temperature  addresses */
2380 #define SONYPI_BAT_FLAGS        0x81
2381 #define SONYPI_LCD_LIGHT        0x96
2382 #define SONYPI_BAT1_PCTRM       0xa0
2383 #define SONYPI_BAT1_LEFT        0xa2
2384 #define SONYPI_BAT1_MAXRT       0xa4
2385 #define SONYPI_BAT2_PCTRM       0xa8
2386 #define SONYPI_BAT2_LEFT        0xaa
2387 #define SONYPI_BAT2_MAXRT       0xac
2388 #define SONYPI_BAT1_MAXTK       0xb0
2389 #define SONYPI_BAT1_FULL        0xb2
2390 #define SONYPI_BAT2_MAXTK       0xb8
2391 #define SONYPI_BAT2_FULL        0xba
2392 #define SONYPI_TEMP_STATUS      0xC1
2393
2394 struct sonypi_compat_s {
2395         struct fasync_struct    *fifo_async;
2396         struct kfifo            fifo;
2397         spinlock_t              fifo_lock;
2398         wait_queue_head_t       fifo_proc_list;
2399         atomic_t                open_count;
2400 };
2401 static struct sonypi_compat_s sonypi_compat = {
2402         .open_count = ATOMIC_INIT(0),
2403 };
2404
2405 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2406 {
2407         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2408 }
2409
2410 static int sonypi_misc_release(struct inode *inode, struct file *file)
2411 {
2412         atomic_dec(&sonypi_compat.open_count);
2413         return 0;
2414 }
2415
2416 static int sonypi_misc_open(struct inode *inode, struct file *file)
2417 {
2418         /* Flush input queue on first open */
2419         unsigned long flags;
2420
2421         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2422
2423         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2424                 kfifo_reset(&sonypi_compat.fifo);
2425
2426         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2427
2428         return 0;
2429 }
2430
2431 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2432                                 size_t count, loff_t *pos)
2433 {
2434         ssize_t ret;
2435         unsigned char c;
2436
2437         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2438             (file->f_flags & O_NONBLOCK))
2439                 return -EAGAIN;
2440
2441         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2442                                        kfifo_len(&sonypi_compat.fifo) != 0);
2443         if (ret)
2444                 return ret;
2445
2446         while (ret < count &&
2447                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2448                           &sonypi_compat.fifo_lock) == sizeof(c))) {
2449                 if (put_user(c, buf++))
2450                         return -EFAULT;
2451                 ret++;
2452         }
2453
2454         if (ret > 0) {
2455                 struct inode *inode = file->f_path.dentry->d_inode;
2456                 inode->i_atime = current_fs_time(inode->i_sb);
2457         }
2458
2459         return ret;
2460 }
2461
2462 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2463 {
2464         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2465         if (kfifo_len(&sonypi_compat.fifo))
2466                 return POLLIN | POLLRDNORM;
2467         return 0;
2468 }
2469
2470 static int ec_read16(u8 addr, u16 *value)
2471 {
2472         u8 val_lb, val_hb;
2473         if (ec_read(addr, &val_lb))
2474                 return -1;
2475         if (ec_read(addr + 1, &val_hb))
2476                 return -1;
2477         *value = val_lb | (val_hb << 8);
2478         return 0;
2479 }
2480
2481 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2482                                                         unsigned long arg)
2483 {
2484         int ret = 0;
2485         void __user *argp = (void __user *)arg;
2486         u8 val8;
2487         u16 val16;
2488         int value;
2489
2490         mutex_lock(&spic_dev.lock);
2491         switch (cmd) {
2492         case SONYPI_IOCGBRT:
2493                 if (sony_backlight_device == NULL) {
2494                         ret = -EIO;
2495                         break;
2496                 }
2497                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2498                         ret = -EIO;
2499                         break;
2500                 }
2501                 val8 = ((value & 0xff) - 1) << 5;
2502                 if (copy_to_user(argp, &val8, sizeof(val8)))
2503                                 ret = -EFAULT;
2504                 break;
2505         case SONYPI_IOCSBRT:
2506                 if (sony_backlight_device == NULL) {
2507                         ret = -EIO;
2508                         break;
2509                 }
2510                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2511                         ret = -EFAULT;
2512                         break;
2513                 }
2514                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2515                                 (val8 >> 5) + 1, NULL)) {
2516                         ret = -EIO;
2517                         break;
2518                 }
2519                 /* sync the backlight device status */
2520                 sony_backlight_device->props.brightness =
2521                     sony_backlight_get_brightness(sony_backlight_device);
2522                 break;
2523         case SONYPI_IOCGBAT1CAP:
2524                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2525                         ret = -EIO;
2526                         break;
2527                 }
2528                 if (copy_to_user(argp, &val16, sizeof(val16)))
2529                         ret = -EFAULT;
2530                 break;
2531         case SONYPI_IOCGBAT1REM:
2532                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2533                         ret = -EIO;
2534                         break;
2535                 }
2536                 if (copy_to_user(argp, &val16, sizeof(val16)))
2537                         ret = -EFAULT;
2538                 break;
2539         case SONYPI_IOCGBAT2CAP:
2540                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2541                         ret = -EIO;
2542                         break;
2543                 }
2544                 if (copy_to_user(argp, &val16, sizeof(val16)))
2545                         ret = -EFAULT;
2546                 break;
2547         case SONYPI_IOCGBAT2REM:
2548                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2549                         ret = -EIO;
2550                         break;
2551                 }
2552                 if (copy_to_user(argp, &val16, sizeof(val16)))
2553                         ret = -EFAULT;
2554                 break;
2555         case SONYPI_IOCGBATFLAGS:
2556                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2557                         ret = -EIO;
2558                         break;
2559                 }
2560                 val8 &= 0x07;
2561                 if (copy_to_user(argp, &val8, sizeof(val8)))
2562                         ret = -EFAULT;
2563                 break;
2564         case SONYPI_IOCGBLUE:
2565                 val8 = spic_dev.bluetooth_power;
2566                 if (copy_to_user(argp, &val8, sizeof(val8)))
2567                         ret = -EFAULT;
2568                 break;
2569         case SONYPI_IOCSBLUE:
2570                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2571                         ret = -EFAULT;
2572                         break;
2573                 }
2574                 __sony_pic_set_bluetoothpower(val8);
2575                 break;
2576         /* FAN Controls */
2577         case SONYPI_IOCGFAN:
2578                 if (sony_pic_get_fanspeed(&val8)) {
2579                         ret = -EIO;
2580                         break;
2581                 }
2582                 if (copy_to_user(argp, &val8, sizeof(val8)))
2583                         ret = -EFAULT;
2584                 break;
2585         case SONYPI_IOCSFAN:
2586                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2587                         ret = -EFAULT;
2588                         break;
2589                 }
2590                 if (sony_pic_set_fanspeed(val8))
2591                         ret = -EIO;
2592                 break;
2593         /* GET Temperature (useful under APM) */
2594         case SONYPI_IOCGTEMP:
2595                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2596                         ret = -EIO;
2597                         break;
2598                 }
2599                 if (copy_to_user(argp, &val8, sizeof(val8)))
2600                         ret = -EFAULT;
2601                 break;
2602         default:
2603                 ret = -EINVAL;
2604         }
2605         mutex_unlock(&spic_dev.lock);
2606         return ret;
2607 }
2608
2609 static const struct file_operations sonypi_misc_fops = {
2610         .owner          = THIS_MODULE,
2611         .read           = sonypi_misc_read,
2612         .poll           = sonypi_misc_poll,
2613         .open           = sonypi_misc_open,
2614         .release        = sonypi_misc_release,
2615         .fasync         = sonypi_misc_fasync,
2616         .unlocked_ioctl = sonypi_misc_ioctl,
2617         .llseek         = noop_llseek,
2618 };
2619
2620 static struct miscdevice sonypi_misc_device = {
2621         .minor          = MISC_DYNAMIC_MINOR,
2622         .name           = "sonypi",
2623         .fops           = &sonypi_misc_fops,
2624 };
2625
2626 static void sonypi_compat_report_event(u8 event)
2627 {
2628         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2629                         sizeof(event), &sonypi_compat.fifo_lock);
2630         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2631         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2632 }
2633
2634 static int sonypi_compat_init(void)
2635 {
2636         int error;
2637
2638         spin_lock_init(&sonypi_compat.fifo_lock);
2639         error =
2640          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2641         if (error) {
2642                 pr_err(DRV_PFX "kfifo_alloc failed\n");
2643                 return error;
2644         }
2645
2646         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2647
2648         if (minor != -1)
2649                 sonypi_misc_device.minor = minor;
2650         error = misc_register(&sonypi_misc_device);
2651         if (error) {
2652                 pr_err(DRV_PFX "misc_register failed\n");
2653                 goto err_free_kfifo;
2654         }
2655         if (minor == -1)
2656                 pr_info(DRV_PFX "device allocated minor is %d\n",
2657                        sonypi_misc_device.minor);
2658
2659         return 0;
2660
2661 err_free_kfifo:
2662         kfifo_free(&sonypi_compat.fifo);
2663         return error;
2664 }
2665
2666 static void sonypi_compat_exit(void)
2667 {
2668         misc_deregister(&sonypi_misc_device);
2669         kfifo_free(&sonypi_compat.fifo);
2670 }
2671 #else
2672 static int sonypi_compat_init(void) { return 0; }
2673 static void sonypi_compat_exit(void) { }
2674 static void sonypi_compat_report_event(u8 event) { }
2675 #endif /* CONFIG_SONYPI_COMPAT */
2676
2677 /*
2678  * ACPI callbacks
2679  */
2680 static acpi_status
2681 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2682 {
2683         u32 i;
2684         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2685
2686         switch (resource->type) {
2687         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2688                 {
2689                         /* start IO enumeration */
2690                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2691                         if (!ioport)
2692                                 return AE_ERROR;
2693
2694                         list_add(&ioport->list, &dev->ioports);
2695                         return AE_OK;
2696                 }
2697
2698         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2699                 /* end IO enumeration */
2700                 return AE_OK;
2701
2702         case ACPI_RESOURCE_TYPE_IRQ:
2703                 {
2704                         struct acpi_resource_irq *p = &resource->data.irq;
2705                         struct sony_pic_irq *interrupt = NULL;
2706                         if (!p || !p->interrupt_count) {
2707                                 /*
2708                                  * IRQ descriptors may have no IRQ# bits set,
2709                                  * particularly those those w/ _STA disabled
2710                                  */
2711                                 dprintk("Blank IRQ resource\n");
2712                                 return AE_OK;
2713                         }
2714                         for (i = 0; i < p->interrupt_count; i++) {
2715                                 if (!p->interrupts[i]) {
2716                                         pr_warn(DRV_PFX "Invalid IRQ %d\n",
2717                                                         p->interrupts[i]);
2718                                         continue;
2719                                 }
2720                                 interrupt = kzalloc(sizeof(*interrupt),
2721                                                 GFP_KERNEL);
2722                                 if (!interrupt)
2723                                         return AE_ERROR;
2724
2725                                 list_add(&interrupt->list, &dev->interrupts);
2726                                 interrupt->irq.triggering = p->triggering;
2727                                 interrupt->irq.polarity = p->polarity;
2728                                 interrupt->irq.sharable = p->sharable;
2729                                 interrupt->irq.interrupt_count = 1;
2730                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2731                         }
2732                         return AE_OK;
2733                 }
2734         case ACPI_RESOURCE_TYPE_IO:
2735                 {
2736                         struct acpi_resource_io *io = &resource->data.io;
2737                         struct sony_pic_ioport *ioport =
2738                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2739                         if (!io) {
2740                                 dprintk("Blank IO resource\n");
2741                                 return AE_OK;
2742                         }
2743
2744                         if (!ioport->io1.minimum) {
2745                                 memcpy(&ioport->io1, io, sizeof(*io));
2746                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2747                                                 ioport->io1.address_length);
2748                         }
2749                         else if (!ioport->io2.minimum) {
2750                                 memcpy(&ioport->io2, io, sizeof(*io));
2751                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2752                                                 ioport->io2.address_length);
2753                         }
2754                         else {
2755                                 pr_err(DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2756                                 return AE_ERROR;
2757                         }
2758                         return AE_OK;
2759                 }
2760         default:
2761                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2762                                 resource->type);
2763
2764         case ACPI_RESOURCE_TYPE_END_TAG:
2765                 return AE_OK;
2766         }
2767         return AE_CTRL_TERMINATE;
2768 }
2769
2770 static int sony_pic_possible_resources(struct acpi_device *device)
2771 {
2772         int result = 0;
2773         acpi_status status = AE_OK;
2774
2775         if (!device)
2776                 return -EINVAL;
2777
2778         /* get device status */
2779         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2780         dprintk("Evaluating _STA\n");
2781         result = acpi_bus_get_status(device);
2782         if (result) {
2783                 pr_warn(DRV_PFX "Unable to read status\n");
2784                 goto end;
2785         }
2786
2787         if (!device->status.enabled)
2788                 dprintk("Device disabled\n");
2789         else
2790                 dprintk("Device enabled\n");
2791
2792         /*
2793          * Query and parse 'method'
2794          */
2795         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2796         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2797                         sony_pic_read_possible_resource, &spic_dev);
2798         if (ACPI_FAILURE(status)) {
2799                 pr_warn(DRV_PFX "Failure evaluating %s\n",
2800                                 METHOD_NAME__PRS);
2801                 result = -ENODEV;
2802         }
2803 end:
2804         return result;
2805 }
2806
2807 /*
2808  *  Disable the spic device by calling its _DIS method
2809  */
2810 static int sony_pic_disable(struct acpi_device *device)
2811 {
2812         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2813                                                NULL);
2814
2815         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2816                 return -ENXIO;
2817
2818         dprintk("Device disabled\n");
2819         return 0;
2820 }
2821
2822
2823 /*
2824  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2825  *
2826  *  Call _SRS to set current resources
2827  */
2828 static int sony_pic_enable(struct acpi_device *device,
2829                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2830 {
2831         acpi_status status;
2832         int result = 0;
2833         /* Type 1 resource layout is:
2834          *    IO
2835          *    IO
2836          *    IRQNoFlags
2837          *    End
2838          *
2839          * Type 2 and 3 resource layout is:
2840          *    IO
2841          *    IRQNoFlags
2842          *    End
2843          */
2844         struct {
2845                 struct acpi_resource res1;
2846                 struct acpi_resource res2;
2847                 struct acpi_resource res3;
2848                 struct acpi_resource res4;
2849         } *resource;
2850         struct acpi_buffer buffer = { 0, NULL };
2851
2852         if (!ioport || !irq)
2853                 return -EINVAL;
2854
2855         /* init acpi_buffer */
2856         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2857         if (!resource)
2858                 return -ENOMEM;
2859
2860         buffer.length = sizeof(*resource) + 1;
2861         buffer.pointer = resource;
2862
2863         /* setup Type 1 resources */
2864         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2865
2866                 /* setup io resources */
2867                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2868                 resource->res1.length = sizeof(struct acpi_resource);
2869                 memcpy(&resource->res1.data.io, &ioport->io1,
2870                                 sizeof(struct acpi_resource_io));
2871
2872                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2873                 resource->res2.length = sizeof(struct acpi_resource);
2874                 memcpy(&resource->res2.data.io, &ioport->io2,
2875                                 sizeof(struct acpi_resource_io));
2876
2877                 /* setup irq resource */
2878                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2879                 resource->res3.length = sizeof(struct acpi_resource);
2880                 memcpy(&resource->res3.data.irq, &irq->irq,
2881                                 sizeof(struct acpi_resource_irq));
2882                 /* we requested a shared irq */
2883                 resource->res3.data.irq.sharable = ACPI_SHARED;
2884
2885                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2886
2887         }
2888         /* setup Type 2/3 resources */
2889         else {
2890                 /* setup io resource */
2891                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2892                 resource->res1.length = sizeof(struct acpi_resource);
2893                 memcpy(&resource->res1.data.io, &ioport->io1,
2894                                 sizeof(struct acpi_resource_io));
2895
2896                 /* setup irq resource */
2897                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2898                 resource->res2.length = sizeof(struct acpi_resource);
2899                 memcpy(&resource->res2.data.irq, &irq->irq,
2900                                 sizeof(struct acpi_resource_irq));
2901                 /* we requested a shared irq */
2902                 resource->res2.data.irq.sharable = ACPI_SHARED;
2903
2904                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
2905         }
2906
2907         /* Attempt to set the resource */
2908         dprintk("Evaluating _SRS\n");
2909         status = acpi_set_current_resources(device->handle, &buffer);
2910
2911         /* check for total failure */
2912         if (ACPI_FAILURE(status)) {
2913                 pr_err(DRV_PFX "Error evaluating _SRS\n");
2914                 result = -ENODEV;
2915                 goto end;
2916         }
2917
2918         /* Necessary device initializations calls (from sonypi) */
2919         sony_pic_call1(0x82);
2920         sony_pic_call2(0x81, 0xff);
2921         sony_pic_call1(compat ? 0x92 : 0x82);
2922
2923 end:
2924         kfree(resource);
2925         return result;
2926 }
2927
2928 /*****************
2929  *
2930  * ISR: some event is available
2931  *
2932  *****************/
2933 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2934 {
2935         int i, j;
2936         u8 ev = 0;
2937         u8 data_mask = 0;
2938         u8 device_event = 0;
2939
2940         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2941
2942         ev = inb_p(dev->cur_ioport->io1.minimum);
2943         if (dev->cur_ioport->io2.minimum)
2944                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
2945         else
2946                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
2947                                 dev->evport_offset);
2948
2949         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2950                         ev, data_mask, dev->cur_ioport->io1.minimum,
2951                         dev->evport_offset);
2952
2953         if (ev == 0x00 || ev == 0xff)
2954                 return IRQ_HANDLED;
2955
2956         for (i = 0; dev->event_types[i].mask; i++) {
2957
2958                 if ((data_mask & dev->event_types[i].data) !=
2959                     dev->event_types[i].data)
2960                         continue;
2961
2962                 if (!(mask & dev->event_types[i].mask))
2963                         continue;
2964
2965                 for (j = 0; dev->event_types[i].events[j].event; j++) {
2966                         if (ev == dev->event_types[i].events[j].data) {
2967                                 device_event =
2968                                         dev->event_types[i].events[j].event;
2969                                 /* some events may require ignoring */
2970                                 if (!device_event)
2971                                         return IRQ_HANDLED;
2972                                 goto found;
2973                         }
2974                 }
2975         }
2976         /* Still not able to decode the event try to pass
2977          * it over to the minidriver
2978          */
2979         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
2980                 return IRQ_HANDLED;
2981
2982         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2983                         ev, data_mask, dev->cur_ioport->io1.minimum,
2984                         dev->evport_offset);
2985         return IRQ_HANDLED;
2986
2987 found:
2988         sony_laptop_report_input_event(device_event);
2989         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
2990         sonypi_compat_report_event(device_event);
2991         return IRQ_HANDLED;
2992 }
2993
2994 /*****************
2995  *
2996  *  ACPI driver
2997  *
2998  *****************/
2999 static int sony_pic_remove(struct acpi_device *device, int type)
3000 {
3001         struct sony_pic_ioport *io, *tmp_io;
3002         struct sony_pic_irq *irq, *tmp_irq;
3003
3004         if (sony_pic_disable(device)) {
3005                 pr_err(DRV_PFX "Couldn't disable device.\n");
3006                 return -ENXIO;
3007         }
3008
3009         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3010         release_region(spic_dev.cur_ioport->io1.minimum,
3011                         spic_dev.cur_ioport->io1.address_length);
3012         if (spic_dev.cur_ioport->io2.minimum)
3013                 release_region(spic_dev.cur_ioport->io2.minimum,
3014                                 spic_dev.cur_ioport->io2.address_length);
3015
3016         sonypi_compat_exit();
3017
3018         sony_laptop_remove_input();
3019
3020         /* pf attrs */
3021         sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3022         sony_pf_remove();
3023
3024         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3025                 list_del(&io->list);
3026                 kfree(io);
3027         }
3028         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3029                 list_del(&irq->list);
3030                 kfree(irq);
3031         }
3032         spic_dev.cur_ioport = NULL;
3033         spic_dev.cur_irq = NULL;
3034
3035         dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
3036         return 0;
3037 }
3038
3039 static int sony_pic_add(struct acpi_device *device)
3040 {
3041         int result;
3042         struct sony_pic_ioport *io, *tmp_io;
3043         struct sony_pic_irq *irq, *tmp_irq;
3044
3045         pr_info(DRV_PFX "%s v%s.\n", SONY_PIC_DRIVER_NAME,
3046                         SONY_LAPTOP_DRIVER_VERSION);
3047
3048         spic_dev.acpi_dev = device;
3049         strcpy(acpi_device_class(device), "sony/hotkey");
3050         sony_pic_detect_device_type(&spic_dev);
3051         mutex_init(&spic_dev.lock);
3052
3053         /* read _PRS resources */
3054         result = sony_pic_possible_resources(device);
3055         if (result) {
3056                 pr_err(DRV_PFX "Unable to read possible resources.\n");
3057                 goto err_free_resources;
3058         }
3059
3060         /* setup input devices and helper fifo */
3061         result = sony_laptop_setup_input(device);
3062         if (result) {
3063                 pr_err(DRV_PFX "Unable to create input devices.\n");
3064                 goto err_free_resources;
3065         }
3066
3067         if (sonypi_compat_init())
3068                 goto err_remove_input;
3069
3070         /* request io port */
3071         list_for_each_entry_reverse(io, &spic_dev.ioports, list) {
3072                 if (request_region(io->io1.minimum, io->io1.address_length,
3073                                         "Sony Programable I/O Device")) {
3074                         dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n",
3075                                         io->io1.minimum, io->io1.maximum,
3076                                         io->io1.address_length);
3077                         /* Type 1 have 2 ioports */
3078                         if (io->io2.minimum) {
3079                                 if (request_region(io->io2.minimum,
3080                                                 io->io2.address_length,
3081                                                 "Sony Programable I/O Device")) {
3082                                         dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n",
3083                                                         io->io2.minimum, io->io2.maximum,
3084                                                         io->io2.address_length);
3085                                         spic_dev.cur_ioport = io;
3086                                         break;
3087                                 }
3088                                 else {
3089                                         dprintk("Unable to get I/O port2: "
3090                                                         "0x%.4x (0x%.4x) + 0x%.2x\n",
3091                                                         io->io2.minimum, io->io2.maximum,
3092                                                         io->io2.address_length);
3093                                         release_region(io->io1.minimum,
3094                                                         io->io1.address_length);
3095                                 }
3096                         }
3097                         else {
3098                                 spic_dev.cur_ioport = io;
3099                                 break;
3100                         }
3101                 }
3102         }
3103         if (!spic_dev.cur_ioport) {
3104                 pr_err(DRV_PFX "Failed to request_region.\n");
3105                 result = -ENODEV;
3106                 goto err_remove_compat;
3107         }
3108
3109         /* request IRQ */
3110         list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) {
3111                 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
3112                                         IRQF_DISABLED, "sony-laptop", &spic_dev)) {
3113                         dprintk("IRQ: %d - triggering: %d - "
3114                                         "polarity: %d - shr: %d\n",
3115                                         irq->irq.interrupts[0],
3116                                         irq->irq.triggering,
3117                                         irq->irq.polarity,
3118                                         irq->irq.sharable);
3119                         spic_dev.cur_irq = irq;
3120                         break;
3121                 }
3122         }
3123         if (!spic_dev.cur_irq) {
3124                 pr_err(DRV_PFX "Failed to request_irq.\n");
3125                 result = -ENODEV;
3126                 goto err_release_region;
3127         }
3128
3129         /* set resource status _SRS */
3130         result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3131         if (result) {
3132                 pr_err(DRV_PFX "Couldn't enable device.\n");
3133                 goto err_free_irq;
3134         }
3135
3136         spic_dev.bluetooth_power = -1;
3137         /* create device attributes */
3138         result = sony_pf_add();
3139         if (result)
3140                 goto err_disable_device;
3141
3142         result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
3143         if (result)
3144                 goto err_remove_pf;
3145
3146         return 0;
3147
3148 err_remove_pf:
3149         sony_pf_remove();
3150
3151 err_disable_device:
3152         sony_pic_disable(device);
3153
3154 err_free_irq:
3155         free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
3156
3157 err_release_region:
3158         release_region(spic_dev.cur_ioport->io1.minimum,
3159                         spic_dev.cur_ioport->io1.address_length);
3160         if (spic_dev.cur_ioport->io2.minimum)
3161                 release_region(spic_dev.cur_ioport->io2.minimum,
3162                                 spic_dev.cur_ioport->io2.address_length);
3163
3164 err_remove_compat:
3165         sonypi_compat_exit();
3166
3167 err_remove_input:
3168         sony_laptop_remove_input();
3169
3170 err_free_resources:
3171         list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
3172                 list_del(&io->list);
3173                 kfree(io);
3174         }
3175         list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
3176                 list_del(&irq->list);
3177                 kfree(irq);
3178         }
3179         spic_dev.cur_ioport = NULL;
3180         spic_dev.cur_irq = NULL;
3181
3182         return result;
3183 }
3184
3185 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
3186 {
3187         if (sony_pic_disable(device))
3188                 return -ENXIO;
3189         return 0;
3190 }
3191
3192 static int sony_pic_resume(struct acpi_device *device)
3193 {
3194         sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
3195         return 0;
3196 }
3197
3198 static const struct acpi_device_id sony_pic_device_ids[] = {
3199         {SONY_PIC_HID, 0},
3200         {"", 0},
3201 };
3202
3203 static struct acpi_driver sony_pic_driver = {
3204         .name = SONY_PIC_DRIVER_NAME,
3205         .class = SONY_PIC_CLASS,
3206         .ids = sony_pic_device_ids,
3207         .owner = THIS_MODULE,
3208         .ops = {
3209                 .add = sony_pic_add,
3210                 .remove = sony_pic_remove,
3211                 .suspend = sony_pic_suspend,
3212                 .resume = sony_pic_resume,
3213                 },
3214 };
3215
3216 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
3217         {
3218                 .ident = "Sony Vaio",
3219                 .matches = {
3220                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3221                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
3222                 },
3223         },
3224         {
3225                 .ident = "Sony Vaio",
3226                 .matches = {
3227                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
3228                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
3229                 },
3230         },
3231         { }
3232 };
3233
3234 static int __init sony_laptop_init(void)
3235 {
3236         int result;
3237
3238         if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
3239                 result = acpi_bus_register_driver(&sony_pic_driver);
3240                 if (result) {
3241                         pr_err(DRV_PFX "Unable to register SPIC driver.");
3242                         goto out;
3243                 }
3244                 spic_drv_registered = 1;
3245         }
3246
3247         result = acpi_bus_register_driver(&sony_nc_driver);
3248         if (result) {
3249                 pr_err(DRV_PFX "Unable to register SNC driver.");
3250                 goto out_unregister_pic;
3251         }
3252
3253         return 0;
3254
3255 out_unregister_pic:
3256         if (spic_drv_registered)
3257                 acpi_bus_unregister_driver(&sony_pic_driver);
3258 out:
3259         return result;
3260 }
3261
3262 static void __exit sony_laptop_exit(void)
3263 {
3264         acpi_bus_unregister_driver(&sony_nc_driver);
3265         if (spic_drv_registered)
3266                 acpi_bus_unregister_driver(&sony_pic_driver);
3267 }
3268
3269 module_init(sony_laptop_init);
3270 module_exit(sony_laptop_exit);