Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
[pandora-kernel.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 static void sony_nc_kbd_backlight_resume(void);
142
143 enum sony_nc_rfkill {
144         SONY_WIFI,
145         SONY_BLUETOOTH,
146         SONY_WWAN,
147         SONY_WIMAX,
148         N_SONY_RFKILL,
149 };
150
151 static int sony_rfkill_handle;
152 static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL];
153 static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900};
154 static void sony_nc_rfkill_update(void);
155
156 /*********** Input Devices ***********/
157
158 #define SONY_LAPTOP_BUF_SIZE    128
159 struct sony_laptop_input_s {
160         atomic_t                users;
161         struct input_dev        *jog_dev;
162         struct input_dev        *key_dev;
163         struct kfifo            fifo;
164         spinlock_t              fifo_lock;
165         struct timer_list       release_key_timer;
166 };
167
168 static struct sony_laptop_input_s sony_laptop_input = {
169         .users = ATOMIC_INIT(0),
170 };
171
172 struct sony_laptop_keypress {
173         struct input_dev *dev;
174         int key;
175 };
176
177 /* Correspondance table between sonypi events
178  * and input layer indexes in the keymap
179  */
180 static int sony_laptop_input_index[] = {
181         -1,     /*  0 no event */
182         -1,     /*  1 SONYPI_EVENT_JOGDIAL_DOWN */
183         -1,     /*  2 SONYPI_EVENT_JOGDIAL_UP */
184         -1,     /*  3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
185         -1,     /*  4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */
186         -1,     /*  5 SONYPI_EVENT_JOGDIAL_PRESSED */
187         -1,     /*  6 SONYPI_EVENT_JOGDIAL_RELEASED */
188          0,     /*  7 SONYPI_EVENT_CAPTURE_PRESSED */
189          1,     /*  8 SONYPI_EVENT_CAPTURE_RELEASED */
190          2,     /*  9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
191          3,     /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
192          4,     /* 11 SONYPI_EVENT_FNKEY_ESC */
193          5,     /* 12 SONYPI_EVENT_FNKEY_F1 */
194          6,     /* 13 SONYPI_EVENT_FNKEY_F2 */
195          7,     /* 14 SONYPI_EVENT_FNKEY_F3 */
196          8,     /* 15 SONYPI_EVENT_FNKEY_F4 */
197          9,     /* 16 SONYPI_EVENT_FNKEY_F5 */
198         10,     /* 17 SONYPI_EVENT_FNKEY_F6 */
199         11,     /* 18 SONYPI_EVENT_FNKEY_F7 */
200         12,     /* 19 SONYPI_EVENT_FNKEY_F8 */
201         13,     /* 20 SONYPI_EVENT_FNKEY_F9 */
202         14,     /* 21 SONYPI_EVENT_FNKEY_F10 */
203         15,     /* 22 SONYPI_EVENT_FNKEY_F11 */
204         16,     /* 23 SONYPI_EVENT_FNKEY_F12 */
205         17,     /* 24 SONYPI_EVENT_FNKEY_1 */
206         18,     /* 25 SONYPI_EVENT_FNKEY_2 */
207         19,     /* 26 SONYPI_EVENT_FNKEY_D */
208         20,     /* 27 SONYPI_EVENT_FNKEY_E */
209         21,     /* 28 SONYPI_EVENT_FNKEY_F */
210         22,     /* 29 SONYPI_EVENT_FNKEY_S */
211         23,     /* 30 SONYPI_EVENT_FNKEY_B */
212         24,     /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */
213         25,     /* 32 SONYPI_EVENT_PKEY_P1 */
214         26,     /* 33 SONYPI_EVENT_PKEY_P2 */
215         27,     /* 34 SONYPI_EVENT_PKEY_P3 */
216         28,     /* 35 SONYPI_EVENT_BACK_PRESSED */
217         -1,     /* 36 SONYPI_EVENT_LID_CLOSED */
218         -1,     /* 37 SONYPI_EVENT_LID_OPENED */
219         29,     /* 38 SONYPI_EVENT_BLUETOOTH_ON */
220         30,     /* 39 SONYPI_EVENT_BLUETOOTH_OFF */
221         31,     /* 40 SONYPI_EVENT_HELP_PRESSED */
222         32,     /* 41 SONYPI_EVENT_FNKEY_ONLY */
223         33,     /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
224         34,     /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */
225         35,     /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
226         36,     /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
227         37,     /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
228         38,     /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */
229         39,     /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
230         40,     /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
231         41,     /* 50 SONYPI_EVENT_ZOOM_PRESSED */
232         42,     /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */
233         43,     /* 52 SONYPI_EVENT_MEYE_FACE */
234         44,     /* 53 SONYPI_EVENT_MEYE_OPPOSITE */
235         45,     /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */
236         46,     /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */
237         -1,     /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */
238         -1,     /* 57 SONYPI_EVENT_BATTERY_INSERT */
239         -1,     /* 58 SONYPI_EVENT_BATTERY_REMOVE */
240         -1,     /* 59 SONYPI_EVENT_FNKEY_RELEASED */
241         47,     /* 60 SONYPI_EVENT_WIRELESS_ON */
242         48,     /* 61 SONYPI_EVENT_WIRELESS_OFF */
243         49,     /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */
244         50,     /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */
245         51,     /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */
246         52,     /* 65 SONYPI_EVENT_MODEKEY_PRESSED */
247         53,     /* 66 SONYPI_EVENT_PKEY_P4 */
248         54,     /* 67 SONYPI_EVENT_PKEY_P5 */
249         55,     /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */
250         56,     /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */
251         57,     /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */
252         -1,     /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */
253         58,     /* 72 SONYPI_EVENT_MEDIA_PRESSED */
254         59,     /* 72 SONYPI_EVENT_VENDOR_PRESSED */
255 };
256
257 static int sony_laptop_input_keycode_map[] = {
258         KEY_CAMERA,     /*  0 SONYPI_EVENT_CAPTURE_PRESSED */
259         KEY_RESERVED,   /*  1 SONYPI_EVENT_CAPTURE_RELEASED */
260         KEY_RESERVED,   /*  2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
261         KEY_RESERVED,   /*  3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
262         KEY_FN_ESC,     /*  4 SONYPI_EVENT_FNKEY_ESC */
263         KEY_FN_F1,      /*  5 SONYPI_EVENT_FNKEY_F1 */
264         KEY_FN_F2,      /*  6 SONYPI_EVENT_FNKEY_F2 */
265         KEY_FN_F3,      /*  7 SONYPI_EVENT_FNKEY_F3 */
266         KEY_FN_F4,      /*  8 SONYPI_EVENT_FNKEY_F4 */
267         KEY_FN_F5,      /*  9 SONYPI_EVENT_FNKEY_F5 */
268         KEY_FN_F6,      /* 10 SONYPI_EVENT_FNKEY_F6 */
269         KEY_FN_F7,      /* 11 SONYPI_EVENT_FNKEY_F7 */
270         KEY_FN_F8,      /* 12 SONYPI_EVENT_FNKEY_F8 */
271         KEY_FN_F9,      /* 13 SONYPI_EVENT_FNKEY_F9 */
272         KEY_FN_F10,     /* 14 SONYPI_EVENT_FNKEY_F10 */
273         KEY_FN_F11,     /* 15 SONYPI_EVENT_FNKEY_F11 */
274         KEY_FN_F12,     /* 16 SONYPI_EVENT_FNKEY_F12 */
275         KEY_FN_F1,      /* 17 SONYPI_EVENT_FNKEY_1 */
276         KEY_FN_F2,      /* 18 SONYPI_EVENT_FNKEY_2 */
277         KEY_FN_D,       /* 19 SONYPI_EVENT_FNKEY_D */
278         KEY_FN_E,       /* 20 SONYPI_EVENT_FNKEY_E */
279         KEY_FN_F,       /* 21 SONYPI_EVENT_FNKEY_F */
280         KEY_FN_S,       /* 22 SONYPI_EVENT_FNKEY_S */
281         KEY_FN_B,       /* 23 SONYPI_EVENT_FNKEY_B */
282         KEY_BLUETOOTH,  /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
283         KEY_PROG1,      /* 25 SONYPI_EVENT_PKEY_P1 */
284         KEY_PROG2,      /* 26 SONYPI_EVENT_PKEY_P2 */
285         KEY_PROG3,      /* 27 SONYPI_EVENT_PKEY_P3 */
286         KEY_BACK,       /* 28 SONYPI_EVENT_BACK_PRESSED */
287         KEY_BLUETOOTH,  /* 29 SONYPI_EVENT_BLUETOOTH_ON */
288         KEY_BLUETOOTH,  /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
289         KEY_HELP,       /* 31 SONYPI_EVENT_HELP_PRESSED */
290         KEY_FN,         /* 32 SONYPI_EVENT_FNKEY_ONLY */
291         KEY_RESERVED,   /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
292         KEY_RESERVED,   /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
293         KEY_RESERVED,   /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
294         KEY_RESERVED,   /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
295         KEY_RESERVED,   /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
296         KEY_RESERVED,   /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
297         KEY_RESERVED,   /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
298         KEY_RESERVED,   /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
299         KEY_ZOOM,       /* 41 SONYPI_EVENT_ZOOM_PRESSED */
300         BTN_THUMB,      /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
301         KEY_RESERVED,   /* 43 SONYPI_EVENT_MEYE_FACE */
302         KEY_RESERVED,   /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
303         KEY_RESERVED,   /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
304         KEY_RESERVED,   /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
305         KEY_WLAN,       /* 47 SONYPI_EVENT_WIRELESS_ON */
306         KEY_WLAN,       /* 48 SONYPI_EVENT_WIRELESS_OFF */
307         KEY_ZOOMIN,     /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */
308         KEY_ZOOMOUT,    /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */
309         KEY_EJECTCD,    /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */
310         KEY_F13,        /* 52 SONYPI_EVENT_MODEKEY_PRESSED */
311         KEY_PROG4,      /* 53 SONYPI_EVENT_PKEY_P4 */
312         KEY_F14,        /* 54 SONYPI_EVENT_PKEY_P5 */
313         KEY_F15,        /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */
314         KEY_VOLUMEUP,   /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */
315         KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */
316         KEY_MEDIA,      /* 58 SONYPI_EVENT_MEDIA_PRESSED */
317         KEY_VENDOR,     /* 59 SONYPI_EVENT_VENDOR_PRESSED */
318 };
319
320 /* release buttons after a short delay if pressed */
321 static void do_sony_laptop_release_key(unsigned long unused)
322 {
323         struct sony_laptop_keypress kp;
324         unsigned long flags;
325
326         spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
327
328         if (kfifo_out(&sony_laptop_input.fifo,
329                       (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
330                 input_report_key(kp.dev, kp.key, 0);
331                 input_sync(kp.dev);
332         }
333
334         /* If there is something in the fifo schedule next release. */
335         if (kfifo_len(&sony_laptop_input.fifo) != 0)
336                 mod_timer(&sony_laptop_input.release_key_timer,
337                           jiffies + msecs_to_jiffies(10));
338
339         spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
340 }
341
342 /* forward event to the input subsystem */
343 static void sony_laptop_report_input_event(u8 event)
344 {
345         struct input_dev *jog_dev = sony_laptop_input.jog_dev;
346         struct input_dev *key_dev = sony_laptop_input.key_dev;
347         struct sony_laptop_keypress kp = { NULL };
348
349         if (event == SONYPI_EVENT_FNKEY_RELEASED ||
350                         event == SONYPI_EVENT_ANYBUTTON_RELEASED) {
351                 /* Nothing, not all VAIOs generate this event */
352                 return;
353         }
354
355         /* report events */
356         switch (event) {
357         /* jog_dev events */
358         case SONYPI_EVENT_JOGDIAL_UP:
359         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
360                 input_report_rel(jog_dev, REL_WHEEL, 1);
361                 input_sync(jog_dev);
362                 return;
363
364         case SONYPI_EVENT_JOGDIAL_DOWN:
365         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
366                 input_report_rel(jog_dev, REL_WHEEL, -1);
367                 input_sync(jog_dev);
368                 return;
369
370         /* key_dev events */
371         case SONYPI_EVENT_JOGDIAL_PRESSED:
372                 kp.key = BTN_MIDDLE;
373                 kp.dev = jog_dev;
374                 break;
375
376         default:
377                 if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
378                         dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
379                         break;
380                 }
381                 if (sony_laptop_input_index[event] != -1) {
382                         kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
383                         if (kp.key != KEY_UNKNOWN)
384                                 kp.dev = key_dev;
385                 }
386                 break;
387         }
388
389         if (kp.dev) {
390                 input_report_key(kp.dev, kp.key, 1);
391                 /* we emit the scancode so we can always remap the key */
392                 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
393                 input_sync(kp.dev);
394
395                 /* schedule key release */
396                 kfifo_in_locked(&sony_laptop_input.fifo,
397                                 (unsigned char *)&kp, sizeof(kp),
398                                 &sony_laptop_input.fifo_lock);
399                 mod_timer(&sony_laptop_input.release_key_timer,
400                           jiffies + msecs_to_jiffies(10));
401         } else
402                 dprintk("unknown input event %.2x\n", event);
403 }
404
405 static int sony_laptop_setup_input(struct acpi_device *acpi_device)
406 {
407         struct input_dev *jog_dev;
408         struct input_dev *key_dev;
409         int i;
410         int error;
411
412         /* don't run again if already initialized */
413         if (atomic_add_return(1, &sony_laptop_input.users) > 1)
414                 return 0;
415
416         /* kfifo */
417         spin_lock_init(&sony_laptop_input.fifo_lock);
418         error = kfifo_alloc(&sony_laptop_input.fifo,
419                             SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
420         if (error) {
421                 pr_err(DRV_PFX "kfifo_alloc failed\n");
422                 goto err_dec_users;
423         }
424
425         setup_timer(&sony_laptop_input.release_key_timer,
426                     do_sony_laptop_release_key, 0);
427
428         /* input keys */
429         key_dev = input_allocate_device();
430         if (!key_dev) {
431                 error = -ENOMEM;
432                 goto err_free_kfifo;
433         }
434
435         key_dev->name = "Sony Vaio Keys";
436         key_dev->id.bustype = BUS_ISA;
437         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
438         key_dev->dev.parent = &acpi_device->dev;
439
440         /* Initialize the Input Drivers: special keys */
441         input_set_capability(key_dev, EV_MSC, MSC_SCAN);
442
443         __set_bit(EV_KEY, key_dev->evbit);
444         key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
445         key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
446         key_dev->keycode = &sony_laptop_input_keycode_map;
447         for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
448                 __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
449         __clear_bit(KEY_RESERVED, key_dev->keybit);
450
451         error = input_register_device(key_dev);
452         if (error)
453                 goto err_free_keydev;
454
455         sony_laptop_input.key_dev = key_dev;
456
457         /* jogdial */
458         jog_dev = input_allocate_device();
459         if (!jog_dev) {
460                 error = -ENOMEM;
461                 goto err_unregister_keydev;
462         }
463
464         jog_dev->name = "Sony Vaio Jogdial";
465         jog_dev->id.bustype = BUS_ISA;
466         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
467         key_dev->dev.parent = &acpi_device->dev;
468
469         input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
470         input_set_capability(jog_dev, EV_REL, REL_WHEEL);
471
472         error = input_register_device(jog_dev);
473         if (error)
474                 goto err_free_jogdev;
475
476         sony_laptop_input.jog_dev = jog_dev;
477
478         return 0;
479
480 err_free_jogdev:
481         input_free_device(jog_dev);
482
483 err_unregister_keydev:
484         input_unregister_device(key_dev);
485         /* to avoid kref underflow below at input_free_device */
486         key_dev = NULL;
487
488 err_free_keydev:
489         input_free_device(key_dev);
490
491 err_free_kfifo:
492         kfifo_free(&sony_laptop_input.fifo);
493
494 err_dec_users:
495         atomic_dec(&sony_laptop_input.users);
496         return error;
497 }
498
499 static void sony_laptop_remove_input(void)
500 {
501         struct sony_laptop_keypress kp = { NULL };
502
503         /* Cleanup only after the last user has gone */
504         if (!atomic_dec_and_test(&sony_laptop_input.users))
505                 return;
506
507         del_timer_sync(&sony_laptop_input.release_key_timer);
508
509         /*
510          * Generate key-up events for remaining keys. Note that we don't
511          * need locking since nobody is adding new events to the kfifo.
512          */
513         while (kfifo_out(&sony_laptop_input.fifo,
514                          (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
515                 input_report_key(kp.dev, kp.key, 0);
516                 input_sync(kp.dev);
517         }
518
519         /* destroy input devs */
520         input_unregister_device(sony_laptop_input.key_dev);
521         sony_laptop_input.key_dev = NULL;
522
523         if (sony_laptop_input.jog_dev) {
524                 input_unregister_device(sony_laptop_input.jog_dev);
525                 sony_laptop_input.jog_dev = NULL;
526         }
527
528         kfifo_free(&sony_laptop_input.fifo);
529 }
530
531 /*********** Platform Device ***********/
532
533 static atomic_t sony_pf_users = ATOMIC_INIT(0);
534 static struct platform_driver sony_pf_driver = {
535         .driver = {
536                    .name = "sony-laptop",
537                    .owner = THIS_MODULE,
538                    }
539 };
540 static struct platform_device *sony_pf_device;
541
542 static int sony_pf_add(void)
543 {
544         int ret = 0;
545
546         /* don't run again if already initialized */
547         if (atomic_add_return(1, &sony_pf_users) > 1)
548                 return 0;
549
550         ret = platform_driver_register(&sony_pf_driver);
551         if (ret)
552                 goto out;
553
554         sony_pf_device = platform_device_alloc("sony-laptop", -1);
555         if (!sony_pf_device) {
556                 ret = -ENOMEM;
557                 goto out_platform_registered;
558         }
559
560         ret = platform_device_add(sony_pf_device);
561         if (ret)
562                 goto out_platform_alloced;
563
564         return 0;
565
566       out_platform_alloced:
567         platform_device_put(sony_pf_device);
568         sony_pf_device = NULL;
569       out_platform_registered:
570         platform_driver_unregister(&sony_pf_driver);
571       out:
572         atomic_dec(&sony_pf_users);
573         return ret;
574 }
575
576 static void sony_pf_remove(void)
577 {
578         /* deregister only after the last user has gone */
579         if (!atomic_dec_and_test(&sony_pf_users))
580                 return;
581
582         platform_device_unregister(sony_pf_device);
583         platform_driver_unregister(&sony_pf_driver);
584 }
585
586 /*********** SNC (SNY5001) Device ***********/
587
588 /* the device uses 1-based values, while the backlight subsystem uses
589    0-based values */
590 #define SONY_MAX_BRIGHTNESS     8
591
592 #define SNC_VALIDATE_IN         0
593 #define SNC_VALIDATE_OUT        1
594
595 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
596                               char *);
597 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
598                                const char *, size_t);
599 static int boolean_validate(const int, const int);
600 static int brightness_default_validate(const int, const int);
601
602 struct sony_nc_value {
603         char *name;             /* name of the entry */
604         char **acpiget;         /* names of the ACPI get function */
605         char **acpiset;         /* names of the ACPI set function */
606         int (*validate)(const int, const int);  /* input/output validation */
607         int value;              /* current setting */
608         int valid;              /* Has ever been set */
609         int debug;              /* active only in debug mode ? */
610         struct device_attribute devattr;        /* sysfs attribute */
611 };
612
613 #define SNC_HANDLE_NAMES(_name, _values...) \
614         static char *snc_##_name[] = { _values, NULL }
615
616 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
617         { \
618                 .name           = __stringify(_name), \
619                 .acpiget        = _getters, \
620                 .acpiset        = _setters, \
621                 .validate       = _validate, \
622                 .debug          = _debug, \
623                 .devattr        = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
624         }
625
626 #define SNC_HANDLE_NULL { .name = NULL }
627
628 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
629
630 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
631 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
632
633 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
634 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
635
636 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
637 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
638
639 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
640 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
641
642 SNC_HANDLE_NAMES(lidstate_get, "GLID");
643
644 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
645 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
646
647 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
648 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
649
650 SNC_HANDLE_NAMES(PID_get, "GPID");
651
652 SNC_HANDLE_NAMES(CTR_get, "GCTR");
653 SNC_HANDLE_NAMES(CTR_set, "SCTR");
654
655 SNC_HANDLE_NAMES(PCR_get, "GPCR");
656 SNC_HANDLE_NAMES(PCR_set, "SPCR");
657
658 SNC_HANDLE_NAMES(CMI_get, "GCMI");
659 SNC_HANDLE_NAMES(CMI_set, "SCMI");
660
661 static struct sony_nc_value sony_nc_values[] = {
662         SNC_HANDLE(brightness_default, snc_brightness_def_get,
663                         snc_brightness_def_set, brightness_default_validate, 0),
664         SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
665         SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
666         SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
667                         boolean_validate, 0),
668         SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
669                         boolean_validate, 1),
670         SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
671                         boolean_validate, 0),
672         SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
673                         boolean_validate, 0),
674         SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
675                         boolean_validate, 0),
676         /* unknown methods */
677         SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
678         SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
679         SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
680         SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
681         SNC_HANDLE_NULL
682 };
683
684 static acpi_handle sony_nc_acpi_handle;
685 static struct acpi_device *sony_nc_acpi_device = NULL;
686
687 /*
688  * acpi_evaluate_object wrappers
689  */
690 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
691 {
692         struct acpi_buffer output;
693         union acpi_object out_obj;
694         acpi_status status;
695
696         output.length = sizeof(out_obj);
697         output.pointer = &out_obj;
698
699         status = acpi_evaluate_object(handle, name, NULL, &output);
700         if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
701                 *result = out_obj.integer.value;
702                 return 0;
703         }
704
705         pr_warn(DRV_PFX "acpi_callreadfunc failed\n");
706
707         return -1;
708 }
709
710 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
711                             int *result)
712 {
713         struct acpi_object_list params;
714         union acpi_object in_obj;
715         struct acpi_buffer output;
716         union acpi_object out_obj;
717         acpi_status status;
718
719         params.count = 1;
720         params.pointer = &in_obj;
721         in_obj.type = ACPI_TYPE_INTEGER;
722         in_obj.integer.value = value;
723
724         output.length = sizeof(out_obj);
725         output.pointer = &out_obj;
726
727         status = acpi_evaluate_object(handle, name, &params, &output);
728         if (status == AE_OK) {
729                 if (result != NULL) {
730                         if (out_obj.type != ACPI_TYPE_INTEGER) {
731                                 pr_warn(DRV_PFX "acpi_evaluate_object bad "
732                                        "return type\n");
733                                 return -1;
734                         }
735                         *result = out_obj.integer.value;
736                 }
737                 return 0;
738         }
739
740         pr_warn(DRV_PFX "acpi_evaluate_object failed\n");
741
742         return -1;
743 }
744
745 struct sony_nc_handles {
746         u16 cap[0x10];
747         struct device_attribute devattr;
748 };
749
750 static struct sony_nc_handles *handles;
751
752 static ssize_t sony_nc_handles_show(struct device *dev,
753                 struct device_attribute *attr, char *buffer)
754 {
755         ssize_t len = 0;
756         int i;
757
758         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
759                 len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ",
760                                 handles->cap[i]);
761         }
762         len += snprintf(buffer + len, PAGE_SIZE - len, "\n");
763
764         return len;
765 }
766
767 static int sony_nc_handles_setup(struct platform_device *pd)
768 {
769         int i;
770         int result;
771
772         handles = kzalloc(sizeof(*handles), GFP_KERNEL);
773         if (!handles)
774                 return -ENOMEM;
775
776         for (i = 0; i < ARRAY_SIZE(handles->cap); i++) {
777                 if (!acpi_callsetfunc(sony_nc_acpi_handle,
778                                         "SN00", i + 0x20, &result)) {
779                         dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n",
780                                         result, i);
781                         handles->cap[i] = result;
782                 }
783         }
784
785         if (debug) {
786                 sysfs_attr_init(&handles->devattr.attr);
787                 handles->devattr.attr.name = "handles";
788                 handles->devattr.attr.mode = S_IRUGO;
789                 handles->devattr.show = sony_nc_handles_show;
790
791                 /* allow reading capabilities via sysfs */
792                 if (device_create_file(&pd->dev, &handles->devattr)) {
793                         kfree(handles);
794                         handles = NULL;
795                         return -1;
796                 }
797         }
798
799         return 0;
800 }
801
802 static int sony_nc_handles_cleanup(struct platform_device *pd)
803 {
804         if (handles) {
805                 if (debug)
806                         device_remove_file(&pd->dev, &handles->devattr);
807                 kfree(handles);
808                 handles = NULL;
809         }
810         return 0;
811 }
812
813 static int sony_find_snc_handle(int handle)
814 {
815         int i;
816
817         /* not initialized yet, return early */
818         if (!handles)
819                 return -1;
820
821         for (i = 0; i < 0x10; i++) {
822                 if (handles->cap[i] == handle) {
823                         dprintk("found handle 0x%.4x (offset: 0x%.2x)\n",
824                                         handle, i);
825                         return i;
826                 }
827         }
828         dprintk("handle 0x%.4x not found\n", handle);
829         return -1;
830 }
831
832 static int sony_call_snc_handle(int handle, int argument, int *result)
833 {
834         int ret = 0;
835         int offset = sony_find_snc_handle(handle);
836
837         if (offset < 0)
838                 return -1;
839
840         ret = acpi_callsetfunc(sony_nc_acpi_handle, "SN07", offset | argument,
841                         result);
842         dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", offset | argument,
843                         *result);
844         return ret;
845 }
846
847 /*
848  * sony_nc_values input/output validate functions
849  */
850
851 /* brightness_default_validate:
852  *
853  * manipulate input output values to keep consistency with the
854  * backlight framework for which brightness values are 0-based.
855  */
856 static int brightness_default_validate(const int direction, const int value)
857 {
858         switch (direction) {
859                 case SNC_VALIDATE_OUT:
860                         return value - 1;
861                 case SNC_VALIDATE_IN:
862                         if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
863                                 return value + 1;
864         }
865         return -EINVAL;
866 }
867
868 /* boolean_validate:
869  *
870  * on input validate boolean values 0/1, on output just pass the
871  * received value.
872  */
873 static int boolean_validate(const int direction, const int value)
874 {
875         if (direction == SNC_VALIDATE_IN) {
876                 if (value != 0 && value != 1)
877                         return -EINVAL;
878         }
879         return value;
880 }
881
882 /*
883  * Sysfs show/store common to all sony_nc_values
884  */
885 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
886                               char *buffer)
887 {
888         int value;
889         struct sony_nc_value *item =
890             container_of(attr, struct sony_nc_value, devattr);
891
892         if (!*item->acpiget)
893                 return -EIO;
894
895         if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
896                 return -EIO;
897
898         if (item->validate)
899                 value = item->validate(SNC_VALIDATE_OUT, value);
900
901         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
902 }
903
904 static ssize_t sony_nc_sysfs_store(struct device *dev,
905                                struct device_attribute *attr,
906                                const char *buffer, size_t count)
907 {
908         int value;
909         struct sony_nc_value *item =
910             container_of(attr, struct sony_nc_value, devattr);
911
912         if (!item->acpiset)
913                 return -EIO;
914
915         if (count > 31)
916                 return -EINVAL;
917
918         value = simple_strtoul(buffer, NULL, 10);
919
920         if (item->validate)
921                 value = item->validate(SNC_VALIDATE_IN, value);
922
923         if (value < 0)
924                 return value;
925
926         if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
927                 return -EIO;
928         item->value = value;
929         item->valid = 1;
930         return count;
931 }
932
933
934 /*
935  * Backlight device
936  */
937 static int sony_backlight_update_status(struct backlight_device *bd)
938 {
939         return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
940                                 bd->props.brightness + 1, NULL);
941 }
942
943 static int sony_backlight_get_brightness(struct backlight_device *bd)
944 {
945         int value;
946
947         if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
948                 return 0;
949         /* brightness levels are 1-based, while backlight ones are 0-based */
950         return value - 1;
951 }
952
953 static int sony_nc_get_brightness_ng(struct backlight_device *bd)
954 {
955         int result;
956         int *handle = (int *)bl_get_data(bd);
957
958         sony_call_snc_handle(*handle, 0x0200, &result);
959
960         return result & 0xff;
961 }
962
963 static int sony_nc_update_status_ng(struct backlight_device *bd)
964 {
965         int value, result;
966         int *handle = (int *)bl_get_data(bd);
967
968         value = bd->props.brightness;
969         sony_call_snc_handle(*handle, 0x0100 | (value << 16), &result);
970
971         return sony_nc_get_brightness_ng(bd);
972 }
973
974 static const struct backlight_ops sony_backlight_ops = {
975         .options = BL_CORE_SUSPENDRESUME,
976         .update_status = sony_backlight_update_status,
977         .get_brightness = sony_backlight_get_brightness,
978 };
979 static const struct backlight_ops sony_backlight_ng_ops = {
980         .options = BL_CORE_SUSPENDRESUME,
981         .update_status = sony_nc_update_status_ng,
982         .get_brightness = sony_nc_get_brightness_ng,
983 };
984 static int backlight_ng_handle;
985 static struct backlight_device *sony_backlight_device;
986
987 /*
988  * New SNC-only Vaios event mapping to driver known keys
989  */
990 struct sony_nc_event {
991         u8      data;
992         u8      event;
993 };
994
995 static struct sony_nc_event sony_100_events[] = {
996         { 0x90, SONYPI_EVENT_PKEY_P1 },
997         { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED },
998         { 0x91, SONYPI_EVENT_PKEY_P2 },
999         { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED },
1000         { 0x81, SONYPI_EVENT_FNKEY_F1 },
1001         { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
1002         { 0x82, SONYPI_EVENT_FNKEY_F2 },
1003         { 0x02, SONYPI_EVENT_FNKEY_RELEASED },
1004         { 0x83, SONYPI_EVENT_FNKEY_F3 },
1005         { 0x03, SONYPI_EVENT_FNKEY_RELEASED },
1006         { 0x84, SONYPI_EVENT_FNKEY_F4 },
1007         { 0x04, SONYPI_EVENT_FNKEY_RELEASED },
1008         { 0x85, SONYPI_EVENT_FNKEY_F5 },
1009         { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
1010         { 0x86, SONYPI_EVENT_FNKEY_F6 },
1011         { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
1012         { 0x87, SONYPI_EVENT_FNKEY_F7 },
1013         { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
1014         { 0x89, SONYPI_EVENT_FNKEY_F9 },
1015         { 0x09, SONYPI_EVENT_FNKEY_RELEASED },
1016         { 0x8A, SONYPI_EVENT_FNKEY_F10 },
1017         { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
1018         { 0x8C, SONYPI_EVENT_FNKEY_F12 },
1019         { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
1020         { 0x9d, SONYPI_EVENT_ZOOM_PRESSED },
1021         { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED },
1022         { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED },
1023         { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED },
1024         { 0xa1, SONYPI_EVENT_MEDIA_PRESSED },
1025         { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED },
1026         { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED },
1027         { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED },
1028         { 0xa5, SONYPI_EVENT_VENDOR_PRESSED },
1029         { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED },
1030         { 0xa6, SONYPI_EVENT_HELP_PRESSED },
1031         { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED },
1032         { 0, 0 },
1033 };
1034
1035 static struct sony_nc_event sony_127_events[] = {
1036         { 0x81, SONYPI_EVENT_MODEKEY_PRESSED },
1037         { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED },
1038         { 0x82, SONYPI_EVENT_PKEY_P1 },
1039         { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED },
1040         { 0x83, SONYPI_EVENT_PKEY_P2 },
1041         { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED },
1042         { 0x84, SONYPI_EVENT_PKEY_P3 },
1043         { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED },
1044         { 0x85, SONYPI_EVENT_PKEY_P4 },
1045         { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED },
1046         { 0x86, SONYPI_EVENT_PKEY_P5 },
1047         { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED },
1048         { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED },
1049         { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED },
1050         { 0, 0 },
1051 };
1052
1053 /*
1054  * ACPI callbacks
1055  */
1056 static void sony_nc_notify(struct acpi_device *device, u32 event)
1057 {
1058         u32 ev = event;
1059
1060         if (ev >= 0x90) {
1061                 /* New-style event */
1062                 int result;
1063                 int key_handle = 0;
1064                 ev -= 0x90;
1065
1066                 if (sony_find_snc_handle(0x100) == ev)
1067                         key_handle = 0x100;
1068                 if (sony_find_snc_handle(0x127) == ev)
1069                         key_handle = 0x127;
1070
1071                 if (key_handle) {
1072                         struct sony_nc_event *key_event;
1073
1074                         if (sony_call_snc_handle(key_handle, 0x200, &result)) {
1075                                 dprintk("sony_nc_notify, unable to decode"
1076                                         " event 0x%.2x 0x%.2x\n", key_handle,
1077                                         ev);
1078                                 /* restore the original event */
1079                                 ev = event;
1080                         } else {
1081                                 ev = result & 0xFF;
1082
1083                                 if (key_handle == 0x100)
1084                                         key_event = sony_100_events;
1085                                 else
1086                                         key_event = sony_127_events;
1087
1088                                 for (; key_event->data; key_event++) {
1089                                         if (key_event->data == ev) {
1090                                                 ev = key_event->event;
1091                                                 break;
1092                                         }
1093                                 }
1094
1095                                 if (!key_event->data)
1096                                         pr_info(DRV_PFX
1097                                                         "Unknown event: 0x%x 0x%x\n",
1098                                                         key_handle,
1099                                                         ev);
1100                                 else
1101                                         sony_laptop_report_input_event(ev);
1102                         }
1103                 } else if (sony_find_snc_handle(sony_rfkill_handle) == ev) {
1104                         sony_nc_rfkill_update();
1105                         return;
1106                 }
1107         } else
1108                 sony_laptop_report_input_event(ev);
1109
1110         dprintk("sony_nc_notify, event: 0x%.2x\n", ev);
1111         acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
1112 }
1113
1114 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
1115                                       void *context, void **return_value)
1116 {
1117         struct acpi_device_info *info;
1118
1119         if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) {
1120                 pr_warn(DRV_PFX "method: name: %4.4s, args %X\n",
1121                         (char *)&info->name, info->param_count);
1122
1123                 kfree(info);
1124         }
1125
1126         return AE_OK;
1127 }
1128
1129 /*
1130  * ACPI device
1131  */
1132 static int sony_nc_function_setup(struct acpi_device *device)
1133 {
1134         int result;
1135
1136         /* Enable all events */
1137         acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0xffff, &result);
1138
1139         /* Setup hotkeys */
1140         sony_call_snc_handle(0x0100, 0, &result);
1141         sony_call_snc_handle(0x0101, 0, &result);
1142         sony_call_snc_handle(0x0102, 0x100, &result);
1143         sony_call_snc_handle(0x0127, 0, &result);
1144
1145         return 0;
1146 }
1147
1148 static int sony_nc_resume(struct acpi_device *device)
1149 {
1150         struct sony_nc_value *item;
1151         acpi_handle handle;
1152
1153         for (item = sony_nc_values; item->name; item++) {
1154                 int ret;
1155
1156                 if (!item->valid)
1157                         continue;
1158                 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
1159                                        item->value, NULL);
1160                 if (ret < 0) {
1161                         pr_err(DRV_PFX "%s: %d\n", __func__, ret);
1162                         break;
1163                 }
1164         }
1165
1166         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1167                                          &handle))) {
1168                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1169                         dprintk("ECON Method failed\n");
1170         }
1171
1172         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1173                                          &handle))) {
1174                 dprintk("Doing SNC setup\n");
1175                 sony_nc_function_setup(device);
1176         }
1177
1178         /* re-read rfkill state */
1179         sony_nc_rfkill_update();
1180
1181         /* restore kbd backlight states */
1182         sony_nc_kbd_backlight_resume();
1183
1184         return 0;
1185 }
1186
1187 static void sony_nc_rfkill_cleanup(void)
1188 {
1189         int i;
1190
1191         for (i = 0; i < N_SONY_RFKILL; i++) {
1192                 if (sony_rfkill_devices[i]) {
1193                         rfkill_unregister(sony_rfkill_devices[i]);
1194                         rfkill_destroy(sony_rfkill_devices[i]);
1195                 }
1196         }
1197 }
1198
1199 static int sony_nc_rfkill_set(void *data, bool blocked)
1200 {
1201         int result;
1202         int argument = sony_rfkill_address[(long) data] + 0x100;
1203
1204         if (!blocked)
1205                 argument |= 0xff0000;
1206
1207         return sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1208 }
1209
1210 static const struct rfkill_ops sony_rfkill_ops = {
1211         .set_block = sony_nc_rfkill_set,
1212 };
1213
1214 static int sony_nc_setup_rfkill(struct acpi_device *device,
1215                                 enum sony_nc_rfkill nc_type)
1216 {
1217         int err = 0;
1218         struct rfkill *rfk;
1219         enum rfkill_type type;
1220         const char *name;
1221         int result;
1222         bool hwblock;
1223
1224         switch (nc_type) {
1225         case SONY_WIFI:
1226                 type = RFKILL_TYPE_WLAN;
1227                 name = "sony-wifi";
1228                 break;
1229         case SONY_BLUETOOTH:
1230                 type = RFKILL_TYPE_BLUETOOTH;
1231                 name = "sony-bluetooth";
1232                 break;
1233         case SONY_WWAN:
1234                 type = RFKILL_TYPE_WWAN;
1235                 name = "sony-wwan";
1236                 break;
1237         case SONY_WIMAX:
1238                 type = RFKILL_TYPE_WIMAX;
1239                 name = "sony-wimax";
1240                 break;
1241         default:
1242                 return -EINVAL;
1243         }
1244
1245         rfk = rfkill_alloc(name, &device->dev, type,
1246                            &sony_rfkill_ops, (void *)nc_type);
1247         if (!rfk)
1248                 return -ENOMEM;
1249
1250         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1251         hwblock = !(result & 0x1);
1252         rfkill_set_hw_state(rfk, hwblock);
1253
1254         err = rfkill_register(rfk);
1255         if (err) {
1256                 rfkill_destroy(rfk);
1257                 return err;
1258         }
1259         sony_rfkill_devices[nc_type] = rfk;
1260         return err;
1261 }
1262
1263 static void sony_nc_rfkill_update(void)
1264 {
1265         enum sony_nc_rfkill i;
1266         int result;
1267         bool hwblock;
1268
1269         sony_call_snc_handle(sony_rfkill_handle, 0x200, &result);
1270         hwblock = !(result & 0x1);
1271
1272         for (i = 0; i < N_SONY_RFKILL; i++) {
1273                 int argument = sony_rfkill_address[i];
1274
1275                 if (!sony_rfkill_devices[i])
1276                         continue;
1277
1278                 if (hwblock) {
1279                         if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) {
1280                                 /* we already know we're blocked */
1281                         }
1282                         continue;
1283                 }
1284
1285                 sony_call_snc_handle(sony_rfkill_handle, argument, &result);
1286                 rfkill_set_states(sony_rfkill_devices[i],
1287                                   !(result & 0xf), false);
1288         }
1289 }
1290
1291 static void sony_nc_rfkill_setup(struct acpi_device *device)
1292 {
1293         int offset;
1294         u8 dev_code, i;
1295         acpi_status status;
1296         struct acpi_object_list params;
1297         union acpi_object in_obj;
1298         union acpi_object *device_enum;
1299         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
1300
1301         offset = sony_find_snc_handle(0x124);
1302         if (offset == -1) {
1303                 offset = sony_find_snc_handle(0x135);
1304                 if (offset == -1)
1305                         return;
1306                 else
1307                         sony_rfkill_handle = 0x135;
1308         } else
1309                 sony_rfkill_handle = 0x124;
1310         dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle);
1311
1312         /* need to read the whole buffer returned by the acpi call to SN06
1313          * here otherwise we may miss some features
1314          */
1315         params.count = 1;
1316         params.pointer = &in_obj;
1317         in_obj.type = ACPI_TYPE_INTEGER;
1318         in_obj.integer.value = offset;
1319         status = acpi_evaluate_object(sony_nc_acpi_handle, "SN06", &params,
1320                         &buffer);
1321         if (ACPI_FAILURE(status)) {
1322                 dprintk("Radio device enumeration failed\n");
1323                 return;
1324         }
1325
1326         device_enum = (union acpi_object *) buffer.pointer;
1327         if (!device_enum) {
1328                 pr_err(DRV_PFX "No SN06 return object.");
1329                 goto out_no_enum;
1330         }
1331         if (device_enum->type != ACPI_TYPE_BUFFER) {
1332                 pr_err(DRV_PFX "Invalid SN06 return object 0x%.2x\n",
1333                                 device_enum->type);
1334                 goto out_no_enum;
1335         }
1336
1337         /* the buffer is filled with magic numbers describing the devices
1338          * available, 0xff terminates the enumeration
1339          */
1340         for (i = 0; i < device_enum->buffer.length; i++) {
1341
1342                 dev_code = *(device_enum->buffer.pointer + i);
1343                 if (dev_code == 0xff)
1344                         break;
1345
1346                 dprintk("Radio devices, looking at 0x%.2x\n", dev_code);
1347
1348                 if (dev_code == 0 && !sony_rfkill_devices[SONY_WIFI])
1349                         sony_nc_setup_rfkill(device, SONY_WIFI);
1350
1351                 if (dev_code == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH])
1352                         sony_nc_setup_rfkill(device, SONY_BLUETOOTH);
1353
1354                 if ((0xf0 & dev_code) == 0x20 &&
1355                                 !sony_rfkill_devices[SONY_WWAN])
1356                         sony_nc_setup_rfkill(device, SONY_WWAN);
1357
1358                 if (dev_code == 0x30 && !sony_rfkill_devices[SONY_WIMAX])
1359                         sony_nc_setup_rfkill(device, SONY_WIMAX);
1360         }
1361
1362 out_no_enum:
1363         kfree(buffer.pointer);
1364         return;
1365 }
1366
1367 /* Keyboard backlight feature */
1368 #define KBDBL_HANDLER   0x137
1369 #define KBDBL_PRESENT   0xB00
1370 #define SET_MODE        0xC00
1371 #define SET_STATE       0xD00
1372 #define SET_TIMEOUT     0xE00
1373
1374 struct kbd_backlight {
1375         int mode;
1376         int timeout;
1377         struct device_attribute mode_attr;
1378         struct device_attribute timeout_attr;
1379 };
1380
1381 static struct kbd_backlight *kbdbl_handle;
1382
1383 static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value)
1384 {
1385         int result;
1386
1387         if (value > 1)
1388                 return -EINVAL;
1389
1390         if (sony_call_snc_handle(KBDBL_HANDLER,
1391                                 (value << 0x10) | SET_MODE, &result))
1392                 return -EIO;
1393
1394         /* Try to turn the light on/off immediately */
1395         sony_call_snc_handle(KBDBL_HANDLER, (value << 0x10) | SET_STATE,
1396                         &result);
1397
1398         kbdbl_handle->mode = value;
1399
1400         return 0;
1401 }
1402
1403 static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev,
1404                 struct device_attribute *attr,
1405                 const char *buffer, size_t count)
1406 {
1407         int ret = 0;
1408         unsigned long value;
1409
1410         if (count > 31)
1411                 return -EINVAL;
1412
1413         if (strict_strtoul(buffer, 10, &value))
1414                 return -EINVAL;
1415
1416         ret = __sony_nc_kbd_backlight_mode_set(value);
1417         if (ret < 0)
1418                 return ret;
1419
1420         return count;
1421 }
1422
1423 static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev,
1424                 struct device_attribute *attr, char *buffer)
1425 {
1426         ssize_t count = 0;
1427         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->mode);
1428         return count;
1429 }
1430
1431 static int __sony_nc_kbd_backlight_timeout_set(u8 value)
1432 {
1433         int result;
1434
1435         if (value > 3)
1436                 return -EINVAL;
1437
1438         if (sony_call_snc_handle(KBDBL_HANDLER,
1439                                 (value << 0x10) | SET_TIMEOUT, &result))
1440                 return -EIO;
1441
1442         kbdbl_handle->timeout = value;
1443
1444         return 0;
1445 }
1446
1447 static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev,
1448                 struct device_attribute *attr,
1449                 const char *buffer, size_t count)
1450 {
1451         int ret = 0;
1452         unsigned long value;
1453
1454         if (count > 31)
1455                 return -EINVAL;
1456
1457         if (strict_strtoul(buffer, 10, &value))
1458                 return -EINVAL;
1459
1460         ret = __sony_nc_kbd_backlight_timeout_set(value);
1461         if (ret < 0)
1462                 return ret;
1463
1464         return count;
1465 }
1466
1467 static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev,
1468                 struct device_attribute *attr, char *buffer)
1469 {
1470         ssize_t count = 0;
1471         count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_handle->timeout);
1472         return count;
1473 }
1474
1475 static int sony_nc_kbd_backlight_setup(struct platform_device *pd)
1476 {
1477         int result;
1478
1479         if (sony_call_snc_handle(KBDBL_HANDLER, KBDBL_PRESENT, &result))
1480                 return 0;
1481         if (!(result & 0x02))
1482                 return 0;
1483
1484         kbdbl_handle = kzalloc(sizeof(*kbdbl_handle), GFP_KERNEL);
1485         if (!kbdbl_handle)
1486                 return -ENOMEM;
1487
1488         sysfs_attr_init(&kbdbl_handle->mode_attr.attr);
1489         kbdbl_handle->mode_attr.attr.name = "kbd_backlight";
1490         kbdbl_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR;
1491         kbdbl_handle->mode_attr.show = sony_nc_kbd_backlight_mode_show;
1492         kbdbl_handle->mode_attr.store = sony_nc_kbd_backlight_mode_store;
1493
1494         sysfs_attr_init(&kbdbl_handle->timeout_attr.attr);
1495         kbdbl_handle->timeout_attr.attr.name = "kbd_backlight_timeout";
1496         kbdbl_handle->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
1497         kbdbl_handle->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
1498         kbdbl_handle->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
1499
1500         if (device_create_file(&pd->dev, &kbdbl_handle->mode_attr))
1501                 goto outkzalloc;
1502
1503         if (device_create_file(&pd->dev, &kbdbl_handle->timeout_attr))
1504                 goto outmode;
1505
1506         __sony_nc_kbd_backlight_mode_set(kbd_backlight);
1507         __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout);
1508
1509         return 0;
1510
1511 outmode:
1512         device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1513 outkzalloc:
1514         kfree(kbdbl_handle);
1515         kbdbl_handle = NULL;
1516         return -1;
1517 }
1518
1519 static int sony_nc_kbd_backlight_cleanup(struct platform_device *pd)
1520 {
1521         if (kbdbl_handle) {
1522                 int result;
1523
1524                 device_remove_file(&pd->dev, &kbdbl_handle->mode_attr);
1525                 device_remove_file(&pd->dev, &kbdbl_handle->timeout_attr);
1526
1527                 /* restore the default hw behaviour */
1528                 sony_call_snc_handle(KBDBL_HANDLER, 0x1000 | SET_MODE, &result);
1529                 sony_call_snc_handle(KBDBL_HANDLER, SET_TIMEOUT, &result);
1530
1531                 kfree(kbdbl_handle);
1532         }
1533         return 0;
1534 }
1535
1536 static void sony_nc_kbd_backlight_resume(void)
1537 {
1538         int ignore = 0;
1539
1540         if (!kbdbl_handle)
1541                 return;
1542
1543         if (kbdbl_handle->mode == 0)
1544                 sony_call_snc_handle(KBDBL_HANDLER, SET_MODE, &ignore);
1545
1546         if (kbdbl_handle->timeout != 0)
1547                 sony_call_snc_handle(KBDBL_HANDLER,
1548                                 (kbdbl_handle->timeout << 0x10) | SET_TIMEOUT,
1549                                 &ignore);
1550 }
1551
1552 static void sony_nc_backlight_setup(void)
1553 {
1554         acpi_handle unused;
1555         int max_brightness = 0;
1556         const struct backlight_ops *ops = NULL;
1557         struct backlight_properties props;
1558
1559         if (sony_find_snc_handle(0x12f) != -1) {
1560                 backlight_ng_handle = 0x12f;
1561                 ops = &sony_backlight_ng_ops;
1562                 max_brightness = 0xff;
1563
1564         } else if (sony_find_snc_handle(0x137) != -1) {
1565                 backlight_ng_handle = 0x137;
1566                 ops = &sony_backlight_ng_ops;
1567                 max_brightness = 0xff;
1568
1569         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
1570                                                 &unused))) {
1571                 ops = &sony_backlight_ops;
1572                 max_brightness = SONY_MAX_BRIGHTNESS - 1;
1573
1574         } else
1575                 return;
1576
1577         memset(&props, 0, sizeof(struct backlight_properties));
1578         props.type = BACKLIGHT_PLATFORM;
1579         props.max_brightness = max_brightness;
1580         sony_backlight_device = backlight_device_register("sony", NULL,
1581                                                           &backlight_ng_handle,
1582                                                           ops, &props);
1583
1584         if (IS_ERR(sony_backlight_device)) {
1585                 pr_warning(DRV_PFX "unable to register backlight device\n");
1586                 sony_backlight_device = NULL;
1587         } else
1588                 sony_backlight_device->props.brightness =
1589                     ops->get_brightness(sony_backlight_device);
1590 }
1591
1592 static void sony_nc_backlight_cleanup(void)
1593 {
1594         if (sony_backlight_device)
1595                 backlight_device_unregister(sony_backlight_device);
1596 }
1597
1598 static int sony_nc_add(struct acpi_device *device)
1599 {
1600         acpi_status status;
1601         int result = 0;
1602         acpi_handle handle;
1603         struct sony_nc_value *item;
1604
1605         pr_info(DRV_PFX "%s v%s.\n", SONY_NC_DRIVER_NAME,
1606                         SONY_LAPTOP_DRIVER_VERSION);
1607
1608         sony_nc_acpi_device = device;
1609         strcpy(acpi_device_class(device), "sony/hotkey");
1610
1611         sony_nc_acpi_handle = device->handle;
1612
1613         /* read device status */
1614         result = acpi_bus_get_status(device);
1615         /* bail IFF the above call was successful and the device is not present */
1616         if (!result && !device->status.present) {
1617                 dprintk("Device not present\n");
1618                 result = -ENODEV;
1619                 goto outwalk;
1620         }
1621
1622         result = sony_pf_add();
1623         if (result)
1624                 goto outpresent;
1625
1626         if (debug) {
1627                 status = acpi_walk_namespace(ACPI_TYPE_METHOD,
1628                                 sony_nc_acpi_handle, 1, sony_walk_callback,
1629                                 NULL, NULL, NULL);
1630                 if (ACPI_FAILURE(status)) {
1631                         pr_warn(DRV_PFX "unable to walk acpi resources\n");
1632                         result = -ENODEV;
1633                         goto outpresent;
1634                 }
1635         }
1636
1637         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON",
1638                                          &handle))) {
1639                 if (acpi_callsetfunc(sony_nc_acpi_handle, "ECON", 1, NULL))
1640                         dprintk("ECON Method failed\n");
1641         }
1642
1643         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00",
1644                                          &handle))) {
1645                 dprintk("Doing SNC setup\n");
1646                 result = sony_nc_handles_setup(sony_pf_device);
1647                 if (result)
1648                         goto outpresent;
1649                 result = sony_nc_kbd_backlight_setup(sony_pf_device);
1650                 if (result)
1651                         goto outsnc;
1652                 sony_nc_function_setup(device);
1653                 sony_nc_rfkill_setup(device);
1654         }
1655
1656         /* setup input devices and helper fifo */
1657         result = sony_laptop_setup_input(device);
1658         if (result) {
1659                 pr_err(DRV_PFX "Unable to create input devices.\n");
1660                 goto outkbdbacklight;
1661         }
1662
1663         if (acpi_video_backlight_support()) {
1664                 pr_info(DRV_PFX "brightness ignored, must be "
1665                        "controlled by ACPI video driver\n");
1666         } else {
1667                 sony_nc_backlight_setup();
1668         }
1669
1670         /* create sony_pf sysfs attributes related to the SNC device */
1671         for (item = sony_nc_values; item->name; ++item) {
1672
1673                 if (!debug && item->debug)
1674                         continue;
1675
1676                 /* find the available acpiget as described in the DSDT */
1677                 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1678                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1679                                                          *item->acpiget,
1680                                                          &handle))) {
1681                                 dprintk("Found %s getter: %s\n",
1682                                                 item->name, *item->acpiget);
1683                                 item->devattr.attr.mode |= S_IRUGO;
1684                                 break;
1685                         }
1686                 }
1687
1688                 /* find the available acpiset as described in the DSDT */
1689                 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1690                         if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1691                                                          *item->acpiset,
1692                                                          &handle))) {
1693                                 dprintk("Found %s setter: %s\n",
1694                                                 item->name, *item->acpiset);
1695                                 item->devattr.attr.mode |= S_IWUSR;
1696                                 break;
1697                         }
1698                 }
1699
1700                 if (item->devattr.attr.mode != 0) {
1701                         result =
1702                             device_create_file(&sony_pf_device->dev,
1703                                                &item->devattr);
1704                         if (result)
1705                                 goto out_sysfs;
1706                 }
1707         }
1708
1709         return 0;
1710
1711       out_sysfs:
1712         for (item = sony_nc_values; item->name; ++item) {
1713                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1714         }
1715         sony_nc_backlight_cleanup();
1716
1717         sony_laptop_remove_input();
1718
1719       outkbdbacklight:
1720         sony_nc_kbd_backlight_cleanup(sony_pf_device);
1721
1722       outsnc:
1723         sony_nc_handles_cleanup(sony_pf_device);
1724
1725       outpresent:
1726         sony_pf_remove();
1727
1728       outwalk:
1729         sony_nc_rfkill_cleanup();
1730         return result;
1731 }
1732
1733 static int sony_nc_remove(struct acpi_device *device, int type)
1734 {
1735         struct sony_nc_value *item;
1736
1737         sony_nc_backlight_cleanup();
1738
1739         sony_nc_acpi_device = NULL;
1740
1741         for (item = sony_nc_values; item->name; ++item) {
1742                 device_remove_file(&sony_pf_device->dev, &item->devattr);
1743         }
1744
1745         sony_nc_kbd_backlight_cleanup(sony_pf_device);
1746         sony_nc_handles_cleanup(sony_pf_device);
1747         sony_pf_remove();
1748         sony_laptop_remove_input();
1749         sony_nc_rfkill_cleanup();
1750         dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1751
1752         return 0;
1753 }
1754
1755 static const struct acpi_device_id sony_device_ids[] = {
1756         {SONY_NC_HID, 0},
1757         {SONY_PIC_HID, 0},
1758         {"", 0},
1759 };
1760 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1761
1762 static const struct acpi_device_id sony_nc_device_ids[] = {
1763         {SONY_NC_HID, 0},
1764         {"", 0},
1765 };
1766
1767 static struct acpi_driver sony_nc_driver = {
1768         .name = SONY_NC_DRIVER_NAME,
1769         .class = SONY_NC_CLASS,
1770         .ids = sony_nc_device_ids,
1771         .owner = THIS_MODULE,
1772         .ops = {
1773                 .add = sony_nc_add,
1774                 .remove = sony_nc_remove,
1775                 .resume = sony_nc_resume,
1776                 .notify = sony_nc_notify,
1777                 },
1778 };
1779
1780 /*********** SPIC (SNY6001) Device ***********/
1781
1782 #define SONYPI_DEVICE_TYPE1     0x00000001
1783 #define SONYPI_DEVICE_TYPE2     0x00000002
1784 #define SONYPI_DEVICE_TYPE3     0x00000004
1785
1786 #define SONYPI_TYPE1_OFFSET     0x04
1787 #define SONYPI_TYPE2_OFFSET     0x12
1788 #define SONYPI_TYPE3_OFFSET     0x12
1789
1790 struct sony_pic_ioport {
1791         struct acpi_resource_io io1;
1792         struct acpi_resource_io io2;
1793         struct list_head        list;
1794 };
1795
1796 struct sony_pic_irq {
1797         struct acpi_resource_irq        irq;
1798         struct list_head                list;
1799 };
1800
1801 struct sonypi_eventtypes {
1802         u8                      data;
1803         unsigned long           mask;
1804         struct sonypi_event     *events;
1805 };
1806
1807 struct sony_pic_dev {
1808         struct acpi_device              *acpi_dev;
1809         struct sony_pic_irq             *cur_irq;
1810         struct sony_pic_ioport          *cur_ioport;
1811         struct list_head                interrupts;
1812         struct list_head                ioports;
1813         struct mutex                    lock;
1814         struct sonypi_eventtypes        *event_types;
1815         int                             (*handle_irq)(const u8, const u8);
1816         int                             model;
1817         u16                             evport_offset;
1818         u8                              camera_power;
1819         u8                              bluetooth_power;
1820         u8                              wwan_power;
1821 };
1822
1823 static struct sony_pic_dev spic_dev = {
1824         .interrupts     = LIST_HEAD_INIT(spic_dev.interrupts),
1825         .ioports        = LIST_HEAD_INIT(spic_dev.ioports),
1826 };
1827
1828 static int spic_drv_registered;
1829
1830 /* Event masks */
1831 #define SONYPI_JOGGER_MASK                      0x00000001
1832 #define SONYPI_CAPTURE_MASK                     0x00000002
1833 #define SONYPI_FNKEY_MASK                       0x00000004
1834 #define SONYPI_BLUETOOTH_MASK                   0x00000008
1835 #define SONYPI_PKEY_MASK                        0x00000010
1836 #define SONYPI_BACK_MASK                        0x00000020
1837 #define SONYPI_HELP_MASK                        0x00000040
1838 #define SONYPI_LID_MASK                         0x00000080
1839 #define SONYPI_ZOOM_MASK                        0x00000100
1840 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
1841 #define SONYPI_MEYE_MASK                        0x00000400
1842 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
1843 #define SONYPI_BATTERY_MASK                     0x00001000
1844 #define SONYPI_WIRELESS_MASK                    0x00002000
1845
1846 struct sonypi_event {
1847         u8      data;
1848         u8      event;
1849 };
1850
1851 /* The set of possible button release events */
1852 static struct sonypi_event sonypi_releaseev[] = {
1853         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1854         { 0, 0 }
1855 };
1856
1857 /* The set of possible jogger events  */
1858 static struct sonypi_event sonypi_joggerev[] = {
1859         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1860         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1861         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1862         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1863         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1864         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1865         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1866         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1867         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1868         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1869         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1870         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1871         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1872         { 0, 0 }
1873 };
1874
1875 /* The set of possible capture button events */
1876 static struct sonypi_event sonypi_captureev[] = {
1877         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1878         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1879         { 0x40, SONYPI_EVENT_CAPTURE_PRESSED },
1880         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1881         { 0, 0 }
1882 };
1883
1884 /* The set of possible fnkeys events */
1885 static struct sonypi_event sonypi_fnkeyev[] = {
1886         { 0x10, SONYPI_EVENT_FNKEY_ESC },
1887         { 0x11, SONYPI_EVENT_FNKEY_F1 },
1888         { 0x12, SONYPI_EVENT_FNKEY_F2 },
1889         { 0x13, SONYPI_EVENT_FNKEY_F3 },
1890         { 0x14, SONYPI_EVENT_FNKEY_F4 },
1891         { 0x15, SONYPI_EVENT_FNKEY_F5 },
1892         { 0x16, SONYPI_EVENT_FNKEY_F6 },
1893         { 0x17, SONYPI_EVENT_FNKEY_F7 },
1894         { 0x18, SONYPI_EVENT_FNKEY_F8 },
1895         { 0x19, SONYPI_EVENT_FNKEY_F9 },
1896         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1897         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1898         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1899         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1900         { 0x21, SONYPI_EVENT_FNKEY_1 },
1901         { 0x22, SONYPI_EVENT_FNKEY_2 },
1902         { 0x31, SONYPI_EVENT_FNKEY_D },
1903         { 0x32, SONYPI_EVENT_FNKEY_E },
1904         { 0x33, SONYPI_EVENT_FNKEY_F },
1905         { 0x34, SONYPI_EVENT_FNKEY_S },
1906         { 0x35, SONYPI_EVENT_FNKEY_B },
1907         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1908         { 0, 0 }
1909 };
1910
1911 /* The set of possible program key events */
1912 static struct sonypi_event sonypi_pkeyev[] = {
1913         { 0x01, SONYPI_EVENT_PKEY_P1 },
1914         { 0x02, SONYPI_EVENT_PKEY_P2 },
1915         { 0x04, SONYPI_EVENT_PKEY_P3 },
1916         { 0x20, SONYPI_EVENT_PKEY_P1 },
1917         { 0, 0 }
1918 };
1919
1920 /* The set of possible bluetooth events */
1921 static struct sonypi_event sonypi_blueev[] = {
1922         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1923         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1924         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1925         { 0, 0 }
1926 };
1927
1928 /* The set of possible wireless events */
1929 static struct sonypi_event sonypi_wlessev[] = {
1930         { 0x59, SONYPI_EVENT_IGNORE },
1931         { 0x5a, SONYPI_EVENT_IGNORE },
1932         { 0, 0 }
1933 };
1934
1935 /* The set of possible back button events */
1936 static struct sonypi_event sonypi_backev[] = {
1937         { 0x20, SONYPI_EVENT_BACK_PRESSED },
1938         { 0, 0 }
1939 };
1940
1941 /* The set of possible help button events */
1942 static struct sonypi_event sonypi_helpev[] = {
1943         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1944         { 0, 0 }
1945 };
1946
1947
1948 /* The set of possible lid events */
1949 static struct sonypi_event sonypi_lidev[] = {
1950         { 0x51, SONYPI_EVENT_LID_CLOSED },
1951         { 0x50, SONYPI_EVENT_LID_OPENED },
1952         { 0, 0 }
1953 };
1954
1955 /* The set of possible zoom events */
1956 static struct sonypi_event sonypi_zoomev[] = {
1957         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1958         { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED },
1959         { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED },
1960         { 0x04, SONYPI_EVENT_ZOOM_PRESSED },
1961         { 0, 0 }
1962 };
1963
1964 /* The set of possible thumbphrase events */
1965 static struct sonypi_event sonypi_thumbphraseev[] = {
1966         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1967         { 0, 0 }
1968 };
1969
1970 /* The set of possible motioneye camera events */
1971 static struct sonypi_event sonypi_meyeev[] = {
1972         { 0x00, SONYPI_EVENT_MEYE_FACE },
1973         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1974         { 0, 0 }
1975 };
1976
1977 /* The set of possible memorystick events */
1978 static struct sonypi_event sonypi_memorystickev[] = {
1979         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1980         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1981         { 0, 0 }
1982 };
1983
1984 /* The set of possible battery events */
1985 static struct sonypi_event sonypi_batteryev[] = {
1986         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1987         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1988         { 0, 0 }
1989 };
1990
1991 /* The set of possible volume events */
1992 static struct sonypi_event sonypi_volumeev[] = {
1993         { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED },
1994         { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED },
1995         { 0, 0 }
1996 };
1997
1998 /* The set of possible brightness events */
1999 static struct sonypi_event sonypi_brightnessev[] = {
2000         { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED },
2001         { 0, 0 }
2002 };
2003
2004 static struct sonypi_eventtypes type1_events[] = {
2005         { 0, 0xffffffff, sonypi_releaseev },
2006         { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
2007         { 0x30, SONYPI_LID_MASK, sonypi_lidev },
2008         { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
2009         { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
2010         { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2011         { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2012         { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
2013         { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2014         { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
2015         { 0 },
2016 };
2017 static struct sonypi_eventtypes type2_events[] = {
2018         { 0, 0xffffffff, sonypi_releaseev },
2019         { 0x38, SONYPI_LID_MASK, sonypi_lidev },
2020         { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
2021         { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
2022         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2023         { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
2024         { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
2025         { 0x11, SONYPI_BACK_MASK, sonypi_backev },
2026         { 0x21, SONYPI_HELP_MASK, sonypi_helpev },
2027         { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
2028         { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
2029         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2030         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2031         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2032         { 0 },
2033 };
2034 static struct sonypi_eventtypes type3_events[] = {
2035         { 0, 0xffffffff, sonypi_releaseev },
2036         { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
2037         { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
2038         { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
2039         { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
2040         { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
2041         { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev },
2042         { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev },
2043         { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev },
2044         { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev },
2045         { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev },
2046         { 0 },
2047 };
2048
2049 /* low level spic calls */
2050 #define ITERATIONS_LONG         10000
2051 #define ITERATIONS_SHORT        10
2052 #define wait_on_command(command, iterations) {                          \
2053         unsigned int n = iterations;                                    \
2054         while (--n && (command))                                        \
2055                 udelay(1);                                              \
2056         if (!n)                                                         \
2057                 dprintk("command failed at %s : %s (line %d)\n",        \
2058                                 __FILE__, __func__, __LINE__);  \
2059 }
2060
2061 static u8 sony_pic_call1(u8 dev)
2062 {
2063         u8 v1, v2;
2064
2065         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2066                         ITERATIONS_LONG);
2067         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2068         v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4);
2069         v2 = inb_p(spic_dev.cur_ioport->io1.minimum);
2070         dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1);
2071         return v2;
2072 }
2073
2074 static u8 sony_pic_call2(u8 dev, u8 fn)
2075 {
2076         u8 v1;
2077
2078         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2079                         ITERATIONS_LONG);
2080         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2081         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2,
2082                         ITERATIONS_LONG);
2083         outb(fn, spic_dev.cur_ioport->io1.minimum);
2084         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2085         dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1);
2086         return v1;
2087 }
2088
2089 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
2090 {
2091         u8 v1;
2092
2093         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2094         outb(dev, spic_dev.cur_ioport->io1.minimum + 4);
2095         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2096         outb(fn, spic_dev.cur_ioport->io1.minimum);
2097         wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG);
2098         outb(v, spic_dev.cur_ioport->io1.minimum);
2099         v1 = inb_p(spic_dev.cur_ioport->io1.minimum);
2100         dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n",
2101                         dev, fn, v, v1);
2102         return v1;
2103 }
2104
2105 /*
2106  * minidrivers for SPIC models
2107  */
2108 static int type3_handle_irq(const u8 data_mask, const u8 ev)
2109 {
2110         /*
2111          * 0x31 could mean we have to take some extra action and wait for
2112          * the next irq for some Type3 models, it will generate a new
2113          * irq and we can read new data from the device:
2114          *  - 0x5c and 0x5f requires 0xA0
2115          *  - 0x61 requires 0xB3
2116          */
2117         if (data_mask == 0x31) {
2118                 if (ev == 0x5c || ev == 0x5f)
2119                         sony_pic_call1(0xA0);
2120                 else if (ev == 0x61)
2121                         sony_pic_call1(0xB3);
2122                 return 0;
2123         }
2124         return 1;
2125 }
2126
2127 static void sony_pic_detect_device_type(struct sony_pic_dev *dev)
2128 {
2129         struct pci_dev *pcidev;
2130
2131         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2132                         PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
2133         if (pcidev) {
2134                 dev->model = SONYPI_DEVICE_TYPE1;
2135                 dev->evport_offset = SONYPI_TYPE1_OFFSET;
2136                 dev->event_types = type1_events;
2137                 goto out;
2138         }
2139
2140         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2141                         PCI_DEVICE_ID_INTEL_ICH6_1, NULL);
2142         if (pcidev) {
2143                 dev->model = SONYPI_DEVICE_TYPE2;
2144                 dev->evport_offset = SONYPI_TYPE2_OFFSET;
2145                 dev->event_types = type2_events;
2146                 goto out;
2147         }
2148
2149         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2150                         PCI_DEVICE_ID_INTEL_ICH7_1, NULL);
2151         if (pcidev) {
2152                 dev->model = SONYPI_DEVICE_TYPE3;
2153                 dev->handle_irq = type3_handle_irq;
2154                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2155                 dev->event_types = type3_events;
2156                 goto out;
2157         }
2158
2159         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2160                         PCI_DEVICE_ID_INTEL_ICH8_4, NULL);
2161         if (pcidev) {
2162                 dev->model = SONYPI_DEVICE_TYPE3;
2163                 dev->handle_irq = type3_handle_irq;
2164                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2165                 dev->event_types = type3_events;
2166                 goto out;
2167         }
2168
2169         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
2170                         PCI_DEVICE_ID_INTEL_ICH9_1, NULL);
2171         if (pcidev) {
2172                 dev->model = SONYPI_DEVICE_TYPE3;
2173                 dev->handle_irq = type3_handle_irq;
2174                 dev->evport_offset = SONYPI_TYPE3_OFFSET;
2175                 dev->event_types = type3_events;
2176                 goto out;
2177         }
2178
2179         /* default */
2180         dev->model = SONYPI_DEVICE_TYPE2;
2181         dev->evport_offset = SONYPI_TYPE2_OFFSET;
2182         dev->event_types = type2_events;
2183
2184 out:
2185         if (pcidev)
2186                 pci_dev_put(pcidev);
2187
2188         pr_info(DRV_PFX "detected Type%d model\n",
2189                         dev->model == SONYPI_DEVICE_TYPE1 ? 1 :
2190                         dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
2191 }
2192
2193 /* camera tests and poweron/poweroff */
2194 #define SONYPI_CAMERA_PICTURE           5
2195 #define SONYPI_CAMERA_CONTROL           0x10
2196
2197 #define SONYPI_CAMERA_BRIGHTNESS                0
2198 #define SONYPI_CAMERA_CONTRAST                  1
2199 #define SONYPI_CAMERA_HUE                       2
2200 #define SONYPI_CAMERA_COLOR                     3
2201 #define SONYPI_CAMERA_SHARPNESS                 4
2202
2203 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
2204 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
2205 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
2206 #define SONYPI_CAMERA_MUTE_MASK                 0x40
2207
2208 /* the rest don't need a loop until not 0xff */
2209 #define SONYPI_CAMERA_AGC                       6
2210 #define SONYPI_CAMERA_AGC_MASK                  0x30
2211 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
2212
2213 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
2214 #define SONYPI_CAMERA_CONTROL                   0x10
2215
2216 #define SONYPI_CAMERA_STATUS                    7
2217 #define SONYPI_CAMERA_STATUS_READY              0x2
2218 #define SONYPI_CAMERA_STATUS_POSITION           0x4
2219
2220 #define SONYPI_DIRECTION_BACKWARDS              0x4
2221
2222 #define SONYPI_CAMERA_REVISION                  8
2223 #define SONYPI_CAMERA_ROMVERSION                9
2224
2225 static int __sony_pic_camera_ready(void)
2226 {
2227         u8 v;
2228
2229         v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
2230         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
2231 }
2232
2233 static int __sony_pic_camera_off(void)
2234 {
2235         if (!camera) {
2236                 pr_warn(DRV_PFX "camera control not enabled\n");
2237                 return -ENODEV;
2238         }
2239
2240         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
2241                                 SONYPI_CAMERA_MUTE_MASK),
2242                         ITERATIONS_SHORT);
2243
2244         if (spic_dev.camera_power) {
2245                 sony_pic_call2(0x91, 0);
2246                 spic_dev.camera_power = 0;
2247         }
2248         return 0;
2249 }
2250
2251 static int __sony_pic_camera_on(void)
2252 {
2253         int i, j, x;
2254
2255         if (!camera) {
2256                 pr_warn(DRV_PFX "camera control not enabled\n");
2257                 return -ENODEV;
2258         }
2259
2260         if (spic_dev.camera_power)
2261                 return 0;
2262
2263         for (j = 5; j > 0; j--) {
2264
2265                 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
2266                         msleep(10);
2267                 sony_pic_call1(0x93);
2268
2269                 for (i = 400; i > 0; i--) {
2270                         if (__sony_pic_camera_ready())
2271                                 break;
2272                         msleep(10);
2273                 }
2274                 if (i)
2275                         break;
2276         }
2277
2278         if (j == 0) {
2279                 pr_warn(DRV_PFX "failed to power on camera\n");
2280                 return -ENODEV;
2281         }
2282
2283         wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
2284                                 0x5a),
2285                         ITERATIONS_SHORT);
2286
2287         spic_dev.camera_power = 1;
2288         return 0;
2289 }
2290
2291 /* External camera command (exported to the motion eye v4l driver) */
2292 int sony_pic_camera_command(int command, u8 value)
2293 {
2294         if (!camera)
2295                 return -EIO;
2296
2297         mutex_lock(&spic_dev.lock);
2298
2299         switch (command) {
2300         case SONY_PIC_COMMAND_SETCAMERA:
2301                 if (value)
2302                         __sony_pic_camera_on();
2303                 else
2304                         __sony_pic_camera_off();
2305                 break;
2306         case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
2307                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
2308                                 ITERATIONS_SHORT);
2309                 break;
2310         case SONY_PIC_COMMAND_SETCAMERACONTRAST:
2311                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
2312                                 ITERATIONS_SHORT);
2313                 break;
2314         case SONY_PIC_COMMAND_SETCAMERAHUE:
2315                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
2316                                 ITERATIONS_SHORT);
2317                 break;
2318         case SONY_PIC_COMMAND_SETCAMERACOLOR:
2319                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
2320                                 ITERATIONS_SHORT);
2321                 break;
2322         case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
2323                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
2324                                 ITERATIONS_SHORT);
2325                 break;
2326         case SONY_PIC_COMMAND_SETCAMERAPICTURE:
2327                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
2328                                 ITERATIONS_SHORT);
2329                 break;
2330         case SONY_PIC_COMMAND_SETCAMERAAGC:
2331                 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
2332                                 ITERATIONS_SHORT);
2333                 break;
2334         default:
2335                 pr_err(DRV_PFX "sony_pic_camera_command invalid: %d\n",
2336                        command);
2337                 break;
2338         }
2339         mutex_unlock(&spic_dev.lock);
2340         return 0;
2341 }
2342 EXPORT_SYMBOL(sony_pic_camera_command);
2343
2344 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
2345 static void __sony_pic_set_wwanpower(u8 state)
2346 {
2347         state = !!state;
2348         if (spic_dev.wwan_power == state)
2349                 return;
2350         sony_pic_call2(0xB0, state);
2351         sony_pic_call1(0x82);
2352         spic_dev.wwan_power = state;
2353 }
2354
2355 static ssize_t sony_pic_wwanpower_store(struct device *dev,
2356                 struct device_attribute *attr,
2357                 const char *buffer, size_t count)
2358 {
2359         unsigned long value;
2360         if (count > 31)
2361                 return -EINVAL;
2362
2363         value = simple_strtoul(buffer, NULL, 10);
2364         mutex_lock(&spic_dev.lock);
2365         __sony_pic_set_wwanpower(value);
2366         mutex_unlock(&spic_dev.lock);
2367
2368         return count;
2369 }
2370
2371 static ssize_t sony_pic_wwanpower_show(struct device *dev,
2372                 struct device_attribute *attr, char *buffer)
2373 {
2374         ssize_t count;
2375         mutex_lock(&spic_dev.lock);
2376         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
2377         mutex_unlock(&spic_dev.lock);
2378         return count;
2379 }
2380
2381 /* bluetooth subsystem power state */
2382 static void __sony_pic_set_bluetoothpower(u8 state)
2383 {
2384         state = !!state;
2385         if (spic_dev.bluetooth_power == state)
2386                 return;
2387         sony_pic_call2(0x96, state);
2388         sony_pic_call1(0x82);
2389         spic_dev.bluetooth_power = state;
2390 }
2391
2392 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
2393                 struct device_attribute *attr,
2394                 const char *buffer, size_t count)
2395 {
2396         unsigned long value;
2397         if (count > 31)
2398                 return -EINVAL;
2399
2400         value = simple_strtoul(buffer, NULL, 10);
2401         mutex_lock(&spic_dev.lock);
2402         __sony_pic_set_bluetoothpower(value);
2403         mutex_unlock(&spic_dev.lock);
2404
2405         return count;
2406 }
2407
2408 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
2409                 struct device_attribute *attr, char *buffer)
2410 {
2411         ssize_t count = 0;
2412         mutex_lock(&spic_dev.lock);
2413         count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
2414         mutex_unlock(&spic_dev.lock);
2415         return count;
2416 }
2417
2418 /* fan speed */
2419 /* FAN0 information (reverse engineered from ACPI tables) */
2420 #define SONY_PIC_FAN0_STATUS    0x93
2421 static int sony_pic_set_fanspeed(unsigned long value)
2422 {
2423         return ec_write(SONY_PIC_FAN0_STATUS, value);
2424 }
2425
2426 static int sony_pic_get_fanspeed(u8 *value)
2427 {
2428         return ec_read(SONY_PIC_FAN0_STATUS, value);
2429 }
2430
2431 static ssize_t sony_pic_fanspeed_store(struct device *dev,
2432                 struct device_attribute *attr,
2433                 const char *buffer, size_t count)
2434 {
2435         unsigned long value;
2436         if (count > 31)
2437                 return -EINVAL;
2438
2439         value = simple_strtoul(buffer, NULL, 10);
2440         if (sony_pic_set_fanspeed(value))
2441                 return -EIO;
2442
2443         return count;
2444 }
2445
2446 static ssize_t sony_pic_fanspeed_show(struct device *dev,
2447                 struct device_attribute *attr, char *buffer)
2448 {
2449         u8 value = 0;
2450         if (sony_pic_get_fanspeed(&value))
2451                 return -EIO;
2452
2453         return snprintf(buffer, PAGE_SIZE, "%d\n", value);
2454 }
2455
2456 #define SPIC_ATTR(_name, _mode)                                 \
2457 struct device_attribute spic_attr_##_name = __ATTR(_name,       \
2458                 _mode, sony_pic_## _name ##_show,               \
2459                 sony_pic_## _name ##_store)
2460
2461 static SPIC_ATTR(bluetoothpower, 0644);
2462 static SPIC_ATTR(wwanpower, 0644);
2463 static SPIC_ATTR(fanspeed, 0644);
2464
2465 static struct attribute *spic_attributes[] = {
2466         &spic_attr_bluetoothpower.attr,
2467         &spic_attr_wwanpower.attr,
2468         &spic_attr_fanspeed.attr,
2469         NULL
2470 };
2471
2472 static struct attribute_group spic_attribute_group = {
2473         .attrs = spic_attributes
2474 };
2475
2476 /******** SONYPI compatibility **********/
2477 #ifdef CONFIG_SONYPI_COMPAT
2478
2479 /* battery / brightness / temperature  addresses */
2480 #define SONYPI_BAT_FLAGS        0x81
2481 #define SONYPI_LCD_LIGHT        0x96
2482 #define SONYPI_BAT1_PCTRM       0xa0
2483 #define SONYPI_BAT1_LEFT        0xa2
2484 #define SONYPI_BAT1_MAXRT       0xa4
2485 #define SONYPI_BAT2_PCTRM       0xa8
2486 #define SONYPI_BAT2_LEFT        0xaa
2487 #define SONYPI_BAT2_MAXRT       0xac
2488 #define SONYPI_BAT1_MAXTK       0xb0
2489 #define SONYPI_BAT1_FULL        0xb2
2490 #define SONYPI_BAT2_MAXTK       0xb8
2491 #define SONYPI_BAT2_FULL        0xba
2492 #define SONYPI_TEMP_STATUS      0xC1
2493
2494 struct sonypi_compat_s {
2495         struct fasync_struct    *fifo_async;
2496         struct kfifo            fifo;
2497         spinlock_t              fifo_lock;
2498         wait_queue_head_t       fifo_proc_list;
2499         atomic_t                open_count;
2500 };
2501 static struct sonypi_compat_s sonypi_compat = {
2502         .open_count = ATOMIC_INIT(0),
2503 };
2504
2505 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
2506 {
2507         return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
2508 }
2509
2510 static int sonypi_misc_release(struct inode *inode, struct file *file)
2511 {
2512         atomic_dec(&sonypi_compat.open_count);
2513         return 0;
2514 }
2515
2516 static int sonypi_misc_open(struct inode *inode, struct file *file)
2517 {
2518         /* Flush input queue on first open */
2519         unsigned long flags;
2520
2521         spin_lock_irqsave(&sonypi_compat.fifo_lock, flags);
2522
2523         if (atomic_inc_return(&sonypi_compat.open_count) == 1)
2524                 kfifo_reset(&sonypi_compat.fifo);
2525
2526         spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags);
2527
2528         return 0;
2529 }
2530
2531 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
2532                                 size_t count, loff_t *pos)
2533 {
2534         ssize_t ret;
2535         unsigned char c;
2536
2537         if ((kfifo_len(&sonypi_compat.fifo) == 0) &&
2538             (file->f_flags & O_NONBLOCK))
2539                 return -EAGAIN;
2540
2541         ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
2542                                        kfifo_len(&sonypi_compat.fifo) != 0);
2543         if (ret)
2544                 return ret;
2545
2546         while (ret < count &&
2547                (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c),
2548                           &sonypi_compat.fifo_lock) == sizeof(c))) {
2549                 if (put_user(c, buf++))
2550                         return -EFAULT;
2551                 ret++;
2552         }
2553
2554         if (ret > 0) {
2555                 struct inode *inode = file->f_path.dentry->d_inode;
2556                 inode->i_atime = current_fs_time(inode->i_sb);
2557         }
2558
2559         return ret;
2560 }
2561
2562 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
2563 {
2564         poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
2565         if (kfifo_len(&sonypi_compat.fifo))
2566                 return POLLIN | POLLRDNORM;
2567         return 0;
2568 }
2569
2570 static int ec_read16(u8 addr, u16 *value)
2571 {
2572         u8 val_lb, val_hb;
2573         if (ec_read(addr, &val_lb))
2574                 return -1;
2575         if (ec_read(addr + 1, &val_hb))
2576                 return -1;
2577         *value = val_lb | (val_hb << 8);
2578         return 0;
2579 }
2580
2581 static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd,
2582                                                         unsigned long arg)
2583 {
2584         int ret = 0;
2585         void __user *argp = (void __user *)arg;
2586         u8 val8;
2587         u16 val16;
2588         int value;
2589
2590         mutex_lock(&spic_dev.lock);
2591         switch (cmd) {
2592         case SONYPI_IOCGBRT:
2593                 if (sony_backlight_device == NULL) {
2594                         ret = -EIO;
2595                         break;
2596                 }
2597                 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
2598                         ret = -EIO;
2599                         break;
2600                 }
2601                 val8 = ((value & 0xff) - 1) << 5;
2602                 if (copy_to_user(argp, &val8, sizeof(val8)))
2603                                 ret = -EFAULT;
2604                 break;
2605         case SONYPI_IOCSBRT:
2606                 if (sony_backlight_device == NULL) {
2607                         ret = -EIO;
2608                         break;
2609                 }
2610                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2611                         ret = -EFAULT;
2612                         break;
2613                 }
2614                 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
2615                                 (val8 >> 5) + 1, NULL)) {
2616                         ret = -EIO;
2617                         break;
2618                 }
2619                 /* sync the backlight device status */
2620                 sony_backlight_device->props.brightness =
2621                     sony_backlight_get_brightness(sony_backlight_device);
2622                 break;
2623         case SONYPI_IOCGBAT1CAP:
2624                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
2625                         ret = -EIO;
2626                         break;
2627                 }
2628                 if (copy_to_user(argp, &val16, sizeof(val16)))
2629                         ret = -EFAULT;
2630                 break;
2631         case SONYPI_IOCGBAT1REM:
2632                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
2633                         ret = -EIO;
2634                         break;
2635                 }
2636                 if (copy_to_user(argp, &val16, sizeof(val16)))
2637                         ret = -EFAULT;
2638                 break;
2639         case SONYPI_IOCGBAT2CAP:
2640                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
2641                         ret = -EIO;
2642                         break;
2643                 }
2644                 if (copy_to_user(argp, &val16, sizeof(val16)))
2645                         ret = -EFAULT;
2646                 break;
2647         case SONYPI_IOCGBAT2REM:
2648                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
2649                         ret = -EIO;
2650                         break;
2651                 }
2652                 if (copy_to_user(argp, &val16, sizeof(val16)))
2653                         ret = -EFAULT;
2654                 break;
2655         case SONYPI_IOCGBATFLAGS:
2656                 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
2657                         ret = -EIO;
2658                         break;
2659                 }
2660                 val8 &= 0x07;
2661                 if (copy_to_user(argp, &val8, sizeof(val8)))
2662                         ret = -EFAULT;
2663                 break;
2664         case SONYPI_IOCGBLUE:
2665                 val8 = spic_dev.bluetooth_power;
2666                 if (copy_to_user(argp, &val8, sizeof(val8)))
2667                         ret = -EFAULT;
2668                 break;
2669         case SONYPI_IOCSBLUE:
2670                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2671                         ret = -EFAULT;
2672                         break;
2673                 }
2674                 __sony_pic_set_bluetoothpower(val8);
2675                 break;
2676         /* FAN Controls */
2677         case SONYPI_IOCGFAN:
2678                 if (sony_pic_get_fanspeed(&val8)) {
2679                         ret = -EIO;
2680                         break;
2681                 }
2682                 if (copy_to_user(argp, &val8, sizeof(val8)))
2683                         ret = -EFAULT;
2684                 break;
2685         case SONYPI_IOCSFAN:
2686                 if (copy_from_user(&val8, argp, sizeof(val8))) {
2687                         ret = -EFAULT;
2688                         break;
2689                 }
2690                 if (sony_pic_set_fanspeed(val8))
2691                         ret = -EIO;
2692                 break;
2693         /* GET Temperature (useful under APM) */
2694         case SONYPI_IOCGTEMP:
2695                 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
2696                         ret = -EIO;
2697                         break;
2698                 }
2699                 if (copy_to_user(argp, &val8, sizeof(val8)))
2700                         ret = -EFAULT;
2701                 break;
2702         default:
2703                 ret = -EINVAL;
2704         }
2705         mutex_unlock(&spic_dev.lock);
2706         return ret;
2707 }
2708
2709 static const struct file_operations sonypi_misc_fops = {
2710         .owner          = THIS_MODULE,
2711         .read           = sonypi_misc_read,
2712         .poll           = sonypi_misc_poll,
2713         .open           = sonypi_misc_open,
2714         .release        = sonypi_misc_release,
2715         .fasync         = sonypi_misc_fasync,
2716         .unlocked_ioctl = sonypi_misc_ioctl,
2717         .llseek         = noop_llseek,
2718 };
2719
2720 static struct miscdevice sonypi_misc_device = {
2721         .minor          = MISC_DYNAMIC_MINOR,
2722         .name           = "sonypi",
2723         .fops           = &sonypi_misc_fops,
2724 };
2725
2726 static void sonypi_compat_report_event(u8 event)
2727 {
2728         kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event,
2729                         sizeof(event), &sonypi_compat.fifo_lock);
2730         kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2731         wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2732 }
2733
2734 static int sonypi_compat_init(void)
2735 {
2736         int error;
2737
2738         spin_lock_init(&sonypi_compat.fifo_lock);
2739         error =
2740          kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
2741         if (error) {
2742                 pr_err(DRV_PFX "kfifo_alloc failed\n");
2743                 return error;
2744         }
2745
2746         init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2747
2748         if (minor != -1)
2749                 sonypi_misc_device.minor = minor;
2750         error = misc_register(&sonypi_misc_device);
2751         if (error) {
2752                 pr_err(DRV_PFX "misc_register failed\n");
2753                 goto err_free_kfifo;
2754         }
2755         if (minor == -1)
2756                 pr_info(DRV_PFX "device allocated minor is %d\n",
2757                        sonypi_misc_device.minor);
2758
2759         return 0;
2760
2761 err_free_kfifo:
2762         kfifo_free(&sonypi_compat.fifo);
2763         return error;
2764 }
2765
2766 static void sonypi_compat_exit(void)
2767 {
2768         misc_deregister(&sonypi_misc_device);
2769         kfifo_free(&sonypi_compat.fifo);
2770 }
2771 #else
2772 static int sonypi_compat_init(void) { return 0; }
2773 static void sonypi_compat_exit(void) { }
2774 static void sonypi_compat_report_event(u8 event) { }
2775 #endif /* CONFIG_SONYPI_COMPAT */
2776
2777 /*
2778  * ACPI callbacks
2779  */
2780 static acpi_status
2781 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2782 {
2783         u32 i;
2784         struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2785
2786         switch (resource->type) {
2787         case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2788                 {
2789                         /* start IO enumeration */
2790                         struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2791                         if (!ioport)
2792                                 return AE_ERROR;
2793
2794                         list_add(&ioport->list, &dev->ioports);
2795                         return AE_OK;
2796                 }
2797
2798         case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2799                 /* end IO enumeration */
2800                 return AE_OK;
2801
2802         case ACPI_RESOURCE_TYPE_IRQ:
2803                 {
2804                         struct acpi_resource_irq *p = &resource->data.irq;
2805                         struct sony_pic_irq *interrupt = NULL;
2806                         if (!p || !p->interrupt_count) {
2807                                 /*
2808                                  * IRQ descriptors may have no IRQ# bits set,
2809                                  * particularly those those w/ _STA disabled
2810                                  */
2811                                 dprintk("Blank IRQ resource\n");
2812                                 return AE_OK;
2813                         }
2814                         for (i = 0; i < p->interrupt_count; i++) {
2815                                 if (!p->interrupts[i]) {
2816                                         pr_warn(DRV_PFX "Invalid IRQ %d\n",
2817                                                         p->interrupts[i]);
2818                                         continue;
2819                                 }
2820                                 interrupt = kzalloc(sizeof(*interrupt),
2821                                                 GFP_KERNEL);
2822                                 if (!interrupt)
2823                                         return AE_ERROR;
2824
2825                                 list_add(&interrupt->list, &dev->interrupts);
2826                                 interrupt->irq.triggering = p->triggering;
2827                                 interrupt->irq.polarity = p->polarity;
2828                                 interrupt->irq.sharable = p->sharable;
2829                                 interrupt->irq.interrupt_count = 1;
2830                                 interrupt->irq.interrupts[0] = p->interrupts[i];
2831                         }
2832                         return AE_OK;
2833                 }
2834         case ACPI_RESOURCE_TYPE_IO:
2835                 {
2836                         struct acpi_resource_io *io = &resource->data.io;
2837                         struct sony_pic_ioport *ioport =
2838                                 list_first_entry(&dev->ioports, struct sony_pic_ioport, list);
2839                         if (!io) {
2840                                 dprintk("Blank IO resource\n");
2841                                 return AE_OK;
2842                         }
2843
2844                         if (!ioport->io1.minimum) {
2845                                 memcpy(&ioport->io1, io, sizeof(*io));
2846                                 dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum,
2847                                                 ioport->io1.address_length);
2848                         }
2849                         else if (!ioport->io2.minimum) {
2850                                 memcpy(&ioport->io2, io, sizeof(*io));
2851                                 dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum,
2852                                                 ioport->io2.address_length);
2853                         }
2854                         else {
2855                                 pr_err(DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n");
2856                                 return AE_ERROR;
2857                         }
2858                         return AE_OK;
2859                 }
2860         default:
2861                 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2862                                 resource->type);
2863
2864         case ACPI_RESOURCE_TYPE_END_TAG:
2865                 return AE_OK;
2866         }
2867         return AE_CTRL_TERMINATE;
2868 }
2869
2870 static int sony_pic_possible_resources(struct acpi_device *device)
2871 {
2872         int result = 0;
2873         acpi_status status = AE_OK;
2874
2875         if (!device)
2876                 return -EINVAL;
2877
2878         /* get device status */
2879         /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2880         dprintk("Evaluating _STA\n");
2881         result = acpi_bus_get_status(device);
2882         if (result) {
2883                 pr_warn(DRV_PFX "Unable to read status\n");
2884                 goto end;
2885         }
2886
2887         if (!device->status.enabled)
2888                 dprintk("Device disabled\n");
2889         else
2890                 dprintk("Device enabled\n");
2891
2892         /*
2893          * Query and parse 'method'
2894          */
2895         dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2896         status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2897                         sony_pic_read_possible_resource, &spic_dev);
2898         if (ACPI_FAILURE(status)) {
2899                 pr_warn(DRV_PFX "Failure evaluating %s\n",
2900                                 METHOD_NAME__PRS);
2901                 result = -ENODEV;
2902         }
2903 end:
2904         return result;
2905 }
2906
2907 /*
2908  *  Disable the spic device by calling its _DIS method
2909  */
2910 static int sony_pic_disable(struct acpi_device *device)
2911 {
2912         acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL,
2913                                                NULL);
2914
2915         if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND)
2916                 return -ENXIO;
2917
2918         dprintk("Device disabled\n");
2919         return 0;
2920 }
2921
2922
2923 /*
2924  *  Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2925  *
2926  *  Call _SRS to set current resources
2927  */
2928 static int sony_pic_enable(struct acpi_device *device,
2929                 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2930 {
2931         acpi_status status;
2932         int result = 0;
2933         /* Type 1 resource layout is:
2934          *    IO
2935          *    IO
2936          *    IRQNoFlags
2937          *    End
2938          *
2939          * Type 2 and 3 resource layout is:
2940          *    IO
2941          *    IRQNoFlags
2942          *    End
2943          */
2944         struct {
2945                 struct acpi_resource res1;
2946                 struct acpi_resource res2;
2947                 struct acpi_resource res3;
2948                 struct acpi_resource res4;
2949         } *resource;
2950         struct acpi_buffer buffer = { 0, NULL };
2951
2952         if (!ioport || !irq)
2953                 return -EINVAL;
2954
2955         /* init acpi_buffer */
2956         resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2957         if (!resource)
2958                 return -ENOMEM;
2959
2960         buffer.length = sizeof(*resource) + 1;
2961         buffer.pointer = resource;
2962
2963         /* setup Type 1 resources */
2964         if (spic_dev.model == SONYPI_DEVICE_TYPE1) {
2965
2966                 /* setup io resources */
2967                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2968                 resource->res1.length = sizeof(struct acpi_resource);
2969                 memcpy(&resource->res1.data.io, &ioport->io1,
2970                                 sizeof(struct acpi_resource_io));
2971
2972                 resource->res2.type = ACPI_RESOURCE_TYPE_IO;
2973                 resource->res2.length = sizeof(struct acpi_resource);
2974                 memcpy(&resource->res2.data.io, &ioport->io2,
2975                                 sizeof(struct acpi_resource_io));
2976
2977                 /* setup irq resource */
2978                 resource->res3.type = ACPI_RESOURCE_TYPE_IRQ;
2979                 resource->res3.length = sizeof(struct acpi_resource);
2980                 memcpy(&resource->res3.data.irq, &irq->irq,
2981                                 sizeof(struct acpi_resource_irq));
2982                 /* we requested a shared irq */
2983                 resource->res3.data.irq.sharable = ACPI_SHARED;
2984
2985                 resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG;
2986
2987         }
2988         /* setup Type 2/3 resources */
2989         else {
2990                 /* setup io resource */
2991                 resource->res1.type = ACPI_RESOURCE_TYPE_IO;
2992                 resource->res1.length = sizeof(struct acpi_resource);
2993                 memcpy(&resource->res1.data.io, &ioport->io1,
2994                                 sizeof(struct acpi_resource_io));
2995
2996                 /* setup irq resource */
2997                 resource->res2.type = ACPI_RESOURCE_TYPE_IRQ;
2998                 resource->res2.length = sizeof(struct acpi_resource);
2999                 memcpy(&resource->res2.data.irq, &irq->irq,
3000                                 sizeof(struct acpi_resource_irq));
3001                 /* we requested a shared irq */
3002                 resource->res2.data.irq.sharable = ACPI_SHARED;
3003
3004                 resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG;
3005         }
3006
3007         /* Attempt to set the resource */
3008         dprintk("Evaluating _SRS\n");
3009         status = acpi_set_current_resources(device->handle, &buffer);
3010
3011         /* check for total failure */
3012         if (ACPI_FAILURE(status)) {
3013                 pr_err(DRV_PFX "Error evaluating _SRS\n");
3014                 result = -ENODEV;
3015                 goto end;
3016         }
3017
3018         /* Necessary device initializations calls (from sonypi) */
3019         sony_pic_call1(0x82);
3020         sony_pic_call2(0x81, 0xff);
3021         sony_pic_call1(compat ? 0x92 : 0x82);
3022
3023 end:
3024         kfree(resource);
3025         return result;
3026 }
3027
3028 /*****************
3029  *
3030  * ISR: some event is available
3031  *
3032  *****************/
3033 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
3034 {
3035         int i, j;
3036         u8 ev = 0;
3037         u8 data_mask = 0;
3038         u8 device_event = 0;
3039
3040         struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
3041
3042         ev = inb_p(dev->cur_ioport->io1.minimum);
3043         if (dev->cur_ioport->io2.minimum)
3044                 data_mask = inb_p(dev->cur_ioport->io2.minimum);
3045         else
3046                 data_mask = inb_p(dev->cur_ioport->io1.minimum +
3047                                 dev->evport_offset);
3048
3049         dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3050                         ev, data_mask, dev->cur_ioport->io1.minimum,
3051                         dev->evport_offset);
3052
3053         if (ev == 0x00 || ev == 0xff)
3054                 return IRQ_HANDLED;
3055
3056         for (i = 0; dev->event_types[i].mask; i++) {
3057
3058                 if ((data_mask & dev->event_types[i].data) !=
3059                     dev->event_types[i].data)
3060                         continue;
3061
3062                 if (!(mask & dev->event_types[i].mask))
3063                         continue;
3064
3065                 for (j = 0; dev->event_types[i].events[j].event; j++) {
3066                         if (ev == dev->event_types[i].events[j].data) {
3067                                 device_event =
3068                                         dev->event_types[i].events[j].event;
3069                                 /* some events may require ignoring */
3070                                 if (!device_event)
3071                                         return IRQ_HANDLED;
3072                                 goto found;
3073                         }
3074                 }
3075         }
3076         /* Still not able to decode the event try to pass
3077          * it over to the minidriver
3078          */
3079         if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0)
3080                 return IRQ_HANDLED;
3081
3082         dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
3083                         ev, data_mask, dev->cur_ioport->io1.minimum,
3084                         dev->evport_offset);
3085         return IRQ_HANDLED;
3086
3087 found:
3088         sony_laptop_report_input_event(device_event);
3089         acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
3090         sonypi_compat_report_event(device_event);
3091         return IRQ_HANDLED;
3092 }
3093
3094 /*****************
3095  *
3096  *  ACPI driver
3097  *
3098  *****************/
3099 static int sony_pic_remove(struct acpi_device *device, int type)
3100 {