Merge branch 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6
[sfrench/cifs-2.6.git] / drivers / char / sonypi.c
1 /*
2  * Sony Programmable I/O Control Device driver for VAIO
3  *
4  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
5  *
6  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
7  *
8  * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
9  *
10  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
11  *
12  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
13  *
14  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
15  *
16  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
17  *
18  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
19  *
20  * This program is free software; you can redistribute it and/or modify
21  * it under the terms of the GNU General Public License as published by
22  * the Free Software Foundation; either version 2 of the License, or
23  * (at your option) any later version.
24  *
25  * This program is distributed in the hope that it will be useful,
26  * but WITHOUT ANY WARRANTY; without even the implied warranty of
27  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
28  * GNU General Public License for more details.
29  *
30  * You should have received a copy of the GNU General Public License
31  * along with this program; if not, write to the Free Software
32  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33  *
34  */
35
36 #include <linux/config.h>
37 #include <linux/module.h>
38 #include <linux/input.h>
39 #include <linux/pci.h>
40 #include <linux/sched.h>
41 #include <linux/init.h>
42 #include <linux/interrupt.h>
43 #include <linux/miscdevice.h>
44 #include <linux/poll.h>
45 #include <linux/delay.h>
46 #include <linux/wait.h>
47 #include <linux/acpi.h>
48 #include <linux/dmi.h>
49 #include <linux/err.h>
50 #include <linux/kfifo.h>
51
52 #include <asm/uaccess.h>
53 #include <asm/io.h>
54 #include <asm/system.h>
55
56 #include <linux/sonypi.h>
57
58 #define SONYPI_DRIVER_VERSION    "1.26"
59
60 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
61 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
62 MODULE_LICENSE("GPL");
63 MODULE_VERSION(SONYPI_DRIVER_VERSION);
64
65 static int minor = -1;
66 module_param(minor, int, 0);
67 MODULE_PARM_DESC(minor,
68                  "minor number of the misc device, default is -1 (automatic)");
69
70 static int verbose;             /* = 0 */
71 module_param(verbose, int, 0644);
72 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
73
74 static int fnkeyinit;           /* = 0 */
75 module_param(fnkeyinit, int, 0444);
76 MODULE_PARM_DESC(fnkeyinit,
77                  "set this if your Fn keys do not generate any event");
78
79 static int camera;              /* = 0 */
80 module_param(camera, int, 0444);
81 MODULE_PARM_DESC(camera,
82                  "set this if you have a MotionEye camera (PictureBook series)");
83
84 static int compat;              /* = 0 */
85 module_param(compat, int, 0444);
86 MODULE_PARM_DESC(compat,
87                  "set this if you want to enable backward compatibility mode");
88
89 static unsigned long mask = 0xffffffff;
90 module_param(mask, ulong, 0644);
91 MODULE_PARM_DESC(mask,
92                  "set this to the mask of event you want to enable (see doc)");
93
94 static int useinput = 1;
95 module_param(useinput, int, 0444);
96 MODULE_PARM_DESC(useinput,
97                  "set this if you would like sonypi to feed events to the input subsystem");
98
99 #define SONYPI_DEVICE_MODEL_TYPE1       1
100 #define SONYPI_DEVICE_MODEL_TYPE2       2
101 #define SONYPI_DEVICE_MODEL_TYPE3       3
102
103 /* type1 models use those */
104 #define SONYPI_IRQ_PORT                 0x8034
105 #define SONYPI_IRQ_SHIFT                22
106 #define SONYPI_TYPE1_BASE               0x50
107 #define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
108 #define SONYPI_TYPE1_REGION_SIZE        0x08
109 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
110
111 /* type2 series specifics */
112 #define SONYPI_SIRQ                     0x9b
113 #define SONYPI_SLOB                     0x9c
114 #define SONYPI_SHIB                     0x9d
115 #define SONYPI_TYPE2_REGION_SIZE        0x20
116 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
117
118 /* type3 series specifics */
119 #define SONYPI_TYPE3_BASE               0x40
120 #define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
121 #define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
122 #define SONYPI_TYPE3_REGION_SIZE        0x20
123 #define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
124
125 /* battery / brightness addresses */
126 #define SONYPI_BAT_FLAGS        0x81
127 #define SONYPI_LCD_LIGHT        0x96
128 #define SONYPI_BAT1_PCTRM       0xa0
129 #define SONYPI_BAT1_LEFT        0xa2
130 #define SONYPI_BAT1_MAXRT       0xa4
131 #define SONYPI_BAT2_PCTRM       0xa8
132 #define SONYPI_BAT2_LEFT        0xaa
133 #define SONYPI_BAT2_MAXRT       0xac
134 #define SONYPI_BAT1_MAXTK       0xb0
135 #define SONYPI_BAT1_FULL        0xb2
136 #define SONYPI_BAT2_MAXTK       0xb8
137 #define SONYPI_BAT2_FULL        0xba
138
139 /* FAN0 information (reverse engineered from ACPI tables) */
140 #define SONYPI_FAN0_STATUS      0x93
141 #define SONYPI_TEMP_STATUS      0xC1
142
143 /* ioports used for brightness and type2 events */
144 #define SONYPI_DATA_IOPORT      0x62
145 #define SONYPI_CST_IOPORT       0x66
146
147 /* The set of possible ioports */
148 struct sonypi_ioport_list {
149         u16     port1;
150         u16     port2;
151 };
152
153 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
154         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
155         { 0x1080, 0x1084 },
156         { 0x1090, 0x1094 },
157         { 0x10a0, 0x10a4 },
158         { 0x10b0, 0x10b4 },
159         { 0x0, 0x0 }
160 };
161
162 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
163         { 0x1080, 0x1084 },
164         { 0x10a0, 0x10a4 },
165         { 0x10c0, 0x10c4 },
166         { 0x10e0, 0x10e4 },
167         { 0x0, 0x0 }
168 };
169
170 /* same as in type 2 models */
171 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
172         sonypi_type2_ioport_list;
173
174 /* The set of possible interrupts */
175 struct sonypi_irq_list {
176         u16     irq;
177         u16     bits;
178 };
179
180 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
181         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
182         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
183         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
184         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
185 };
186
187 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
188         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
189         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
190         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
191         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
192         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
193 };
194
195 /* same as in type2 models */
196 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
197
198 #define SONYPI_CAMERA_BRIGHTNESS                0
199 #define SONYPI_CAMERA_CONTRAST                  1
200 #define SONYPI_CAMERA_HUE                       2
201 #define SONYPI_CAMERA_COLOR                     3
202 #define SONYPI_CAMERA_SHARPNESS                 4
203
204 #define SONYPI_CAMERA_PICTURE                   5
205 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
206 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
207 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
208 #define SONYPI_CAMERA_MUTE_MASK                 0x40
209
210 /* the rest don't need a loop until not 0xff */
211 #define SONYPI_CAMERA_AGC                       6
212 #define SONYPI_CAMERA_AGC_MASK                  0x30
213 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
214
215 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
216 #define SONYPI_CAMERA_CONTROL                   0x10
217
218 #define SONYPI_CAMERA_STATUS                    7
219 #define SONYPI_CAMERA_STATUS_READY              0x2
220 #define SONYPI_CAMERA_STATUS_POSITION           0x4
221
222 #define SONYPI_DIRECTION_BACKWARDS              0x4
223
224 #define SONYPI_CAMERA_REVISION                  8
225 #define SONYPI_CAMERA_ROMVERSION                9
226
227 /* Event masks */
228 #define SONYPI_JOGGER_MASK                      0x00000001
229 #define SONYPI_CAPTURE_MASK                     0x00000002
230 #define SONYPI_FNKEY_MASK                       0x00000004
231 #define SONYPI_BLUETOOTH_MASK                   0x00000008
232 #define SONYPI_PKEY_MASK                        0x00000010
233 #define SONYPI_BACK_MASK                        0x00000020
234 #define SONYPI_HELP_MASK                        0x00000040
235 #define SONYPI_LID_MASK                         0x00000080
236 #define SONYPI_ZOOM_MASK                        0x00000100
237 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
238 #define SONYPI_MEYE_MASK                        0x00000400
239 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
240 #define SONYPI_BATTERY_MASK                     0x00001000
241 #define SONYPI_WIRELESS_MASK                    0x00002000
242
243 struct sonypi_event {
244         u8      data;
245         u8      event;
246 };
247
248 /* The set of possible button release events */
249 static struct sonypi_event sonypi_releaseev[] = {
250         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
251         { 0, 0 }
252 };
253
254 /* The set of possible jogger events  */
255 static struct sonypi_event sonypi_joggerev[] = {
256         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
257         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
258         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
259         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
260         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
261         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
262         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
263         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
264         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
265         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
266         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
267         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
268         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
269         { 0, 0 }
270 };
271
272 /* The set of possible capture button events */
273 static struct sonypi_event sonypi_captureev[] = {
274         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
275         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
276         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
277         { 0, 0 }
278 };
279
280 /* The set of possible fnkeys events */
281 static struct sonypi_event sonypi_fnkeyev[] = {
282         { 0x10, SONYPI_EVENT_FNKEY_ESC },
283         { 0x11, SONYPI_EVENT_FNKEY_F1 },
284         { 0x12, SONYPI_EVENT_FNKEY_F2 },
285         { 0x13, SONYPI_EVENT_FNKEY_F3 },
286         { 0x14, SONYPI_EVENT_FNKEY_F4 },
287         { 0x15, SONYPI_EVENT_FNKEY_F5 },
288         { 0x16, SONYPI_EVENT_FNKEY_F6 },
289         { 0x17, SONYPI_EVENT_FNKEY_F7 },
290         { 0x18, SONYPI_EVENT_FNKEY_F8 },
291         { 0x19, SONYPI_EVENT_FNKEY_F9 },
292         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
293         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
294         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
295         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
296         { 0x21, SONYPI_EVENT_FNKEY_1 },
297         { 0x22, SONYPI_EVENT_FNKEY_2 },
298         { 0x31, SONYPI_EVENT_FNKEY_D },
299         { 0x32, SONYPI_EVENT_FNKEY_E },
300         { 0x33, SONYPI_EVENT_FNKEY_F },
301         { 0x34, SONYPI_EVENT_FNKEY_S },
302         { 0x35, SONYPI_EVENT_FNKEY_B },
303         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
304         { 0, 0 }
305 };
306
307 /* The set of possible program key events */
308 static struct sonypi_event sonypi_pkeyev[] = {
309         { 0x01, SONYPI_EVENT_PKEY_P1 },
310         { 0x02, SONYPI_EVENT_PKEY_P2 },
311         { 0x04, SONYPI_EVENT_PKEY_P3 },
312         { 0x5c, SONYPI_EVENT_PKEY_P1 },
313         { 0, 0 }
314 };
315
316 /* The set of possible bluetooth events */
317 static struct sonypi_event sonypi_blueev[] = {
318         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
319         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
320         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
321         { 0, 0 }
322 };
323
324 /* The set of possible wireless events */
325 static struct sonypi_event sonypi_wlessev[] = {
326         { 0x59, SONYPI_EVENT_WIRELESS_ON },
327         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
328         { 0, 0 }
329 };
330
331 /* The set of possible back button events */
332 static struct sonypi_event sonypi_backev[] = {
333         { 0x20, SONYPI_EVENT_BACK_PRESSED },
334         { 0, 0 }
335 };
336
337 /* The set of possible help button events */
338 static struct sonypi_event sonypi_helpev[] = {
339         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
340         { 0, 0 }
341 };
342
343
344 /* The set of possible lid events */
345 static struct sonypi_event sonypi_lidev[] = {
346         { 0x51, SONYPI_EVENT_LID_CLOSED },
347         { 0x50, SONYPI_EVENT_LID_OPENED },
348         { 0, 0 }
349 };
350
351 /* The set of possible zoom events */
352 static struct sonypi_event sonypi_zoomev[] = {
353         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
354         { 0, 0 }
355 };
356
357 /* The set of possible thumbphrase events */
358 static struct sonypi_event sonypi_thumbphraseev[] = {
359         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
360         { 0, 0 }
361 };
362
363 /* The set of possible motioneye camera events */
364 static struct sonypi_event sonypi_meyeev[] = {
365         { 0x00, SONYPI_EVENT_MEYE_FACE },
366         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
367         { 0, 0 }
368 };
369
370 /* The set of possible memorystick events */
371 static struct sonypi_event sonypi_memorystickev[] = {
372         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
373         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
374         { 0, 0 }
375 };
376
377 /* The set of possible battery events */
378 static struct sonypi_event sonypi_batteryev[] = {
379         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
380         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
381         { 0, 0 }
382 };
383
384 static struct sonypi_eventtypes {
385         int                     model;
386         u8                      data;
387         unsigned long           mask;
388         struct sonypi_event *   events;
389 } sonypi_eventtypes[] = {
390         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
391         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
392         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
393         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
394         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
395         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
396         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
397         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
398         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
399         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
400
401         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
402         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
403         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
404         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
405         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
406         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
407         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
408         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
409         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
410         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
411         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
412         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
413         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
414         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
415
416         { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
417         { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
418         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
419         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
420         { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
421         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
422         { 0 }
423 };
424
425 #define SONYPI_BUF_SIZE 128
426
427 /* The name of the devices for the input device drivers */
428 #define SONYPI_JOG_INPUTNAME    "Sony Vaio Jogdial"
429 #define SONYPI_KEY_INPUTNAME    "Sony Vaio Keys"
430
431 /* Correspondance table between sonypi events and input layer events */
432 static struct {
433         int sonypiev;
434         int inputev;
435 } sonypi_inputkeys[] = {
436         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
437         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
438         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
439         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
440         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
441         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
442         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
443         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
444         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
445         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
446         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
447         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
448         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
449         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
450         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
451         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
452         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
453         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
454         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
455         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
456         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
457         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
458         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
459         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
460         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
461         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
462         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
463         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
464         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
465         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
466         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
467         { 0, 0 },
468 };
469
470 struct sonypi_keypress {
471         struct input_dev *dev;
472         int key;
473 };
474
475 static struct sonypi_device {
476         struct pci_dev *dev;
477         struct platform_device *pdev;
478         u16 irq;
479         u16 bits;
480         u16 ioport1;
481         u16 ioport2;
482         u16 region_size;
483         u16 evtype_offset;
484         int camera_power;
485         int bluetooth_power;
486         struct semaphore lock;
487         struct kfifo *fifo;
488         spinlock_t fifo_lock;
489         wait_queue_head_t fifo_proc_list;
490         struct fasync_struct *fifo_async;
491         int open_count;
492         int model;
493         struct input_dev input_jog_dev;
494         struct input_dev input_key_dev;
495         struct work_struct input_work;
496         struct kfifo *input_fifo;
497         spinlock_t input_fifo_lock;
498 } sonypi_device;
499
500 #define ITERATIONS_LONG         10000
501 #define ITERATIONS_SHORT        10
502
503 #define wait_on_command(quiet, command, iterations) { \
504         unsigned int n = iterations; \
505         while (--n && (command)) \
506                 udelay(1); \
507         if (!n && (verbose || !quiet)) \
508                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
509 }
510
511 #ifdef CONFIG_ACPI
512 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
513 #else
514 #define SONYPI_ACPI_ACTIVE 0
515 #endif                          /* CONFIG_ACPI */
516
517 static int sonypi_ec_write(u8 addr, u8 value)
518 {
519 #ifdef CONFIG_ACPI_EC
520         if (SONYPI_ACPI_ACTIVE)
521                 return ec_write(addr, value);
522 #endif
523         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
524         outb_p(0x81, SONYPI_CST_IOPORT);
525         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
526         outb_p(addr, SONYPI_DATA_IOPORT);
527         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
528         outb_p(value, SONYPI_DATA_IOPORT);
529         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
530         return 0;
531 }
532
533 static int sonypi_ec_read(u8 addr, u8 *value)
534 {
535 #ifdef CONFIG_ACPI_EC
536         if (SONYPI_ACPI_ACTIVE)
537                 return ec_read(addr, value);
538 #endif
539         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
540         outb_p(0x80, SONYPI_CST_IOPORT);
541         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
542         outb_p(addr, SONYPI_DATA_IOPORT);
543         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
544         *value = inb_p(SONYPI_DATA_IOPORT);
545         return 0;
546 }
547
548 static int ec_read16(u8 addr, u16 *value)
549 {
550         u8 val_lb, val_hb;
551         if (sonypi_ec_read(addr, &val_lb))
552                 return -1;
553         if (sonypi_ec_read(addr + 1, &val_hb))
554                 return -1;
555         *value = val_lb | (val_hb << 8);
556         return 0;
557 }
558
559 /* Initializes the device - this comes from the AML code in the ACPI bios */
560 static void sonypi_type1_srs(void)
561 {
562         u32 v;
563
564         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
565         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
566         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
567
568         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
569         v = (v & 0xFFF0FFFF) |
570             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
571         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
572
573         v = inl(SONYPI_IRQ_PORT);
574         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
575         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
576         outl(v, SONYPI_IRQ_PORT);
577
578         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
579         v = (v & 0xFF1FFFFF) | 0x00C00000;
580         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
581 }
582
583 static void sonypi_type2_srs(void)
584 {
585         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
586                 printk(KERN_WARNING "ec_write failed\n");
587         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
588                 printk(KERN_WARNING "ec_write failed\n");
589         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
590                 printk(KERN_WARNING "ec_write failed\n");
591         udelay(10);
592 }
593
594 static void sonypi_type3_srs(void)
595 {
596         u16 v16;
597         u8  v8;
598
599         /* This model type uses the same initialiazation of
600          * the embedded controller as the type2 models. */
601         sonypi_type2_srs();
602
603         /* Initialization of PCI config space of the LPC interface bridge. */
604         v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
605         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
606         pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
607         v8 = (v8 & 0xCF) | 0x10;
608         pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
609 }
610
611 /* Disables the device - this comes from the AML code in the ACPI bios */
612 static void sonypi_type1_dis(void)
613 {
614         u32 v;
615
616         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
617         v = v & 0xFF3FFFFF;
618         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
619
620         v = inl(SONYPI_IRQ_PORT);
621         v |= (0x3 << SONYPI_IRQ_SHIFT);
622         outl(v, SONYPI_IRQ_PORT);
623 }
624
625 static void sonypi_type2_dis(void)
626 {
627         if (sonypi_ec_write(SONYPI_SHIB, 0))
628                 printk(KERN_WARNING "ec_write failed\n");
629         if (sonypi_ec_write(SONYPI_SLOB, 0))
630                 printk(KERN_WARNING "ec_write failed\n");
631         if (sonypi_ec_write(SONYPI_SIRQ, 0))
632                 printk(KERN_WARNING "ec_write failed\n");
633 }
634
635 static void sonypi_type3_dis(void)
636 {
637         sonypi_type2_dis();
638         udelay(10);
639         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
640 }
641
642 static u8 sonypi_call1(u8 dev)
643 {
644         u8 v1, v2;
645
646         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
647         outb(dev, sonypi_device.ioport2);
648         v1 = inb_p(sonypi_device.ioport2);
649         v2 = inb_p(sonypi_device.ioport1);
650         return v2;
651 }
652
653 static u8 sonypi_call2(u8 dev, u8 fn)
654 {
655         u8 v1;
656
657         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
658         outb(dev, sonypi_device.ioport2);
659         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
660         outb(fn, sonypi_device.ioport1);
661         v1 = inb_p(sonypi_device.ioport1);
662         return v1;
663 }
664
665 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
666 {
667         u8 v1;
668
669         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
670         outb(dev, sonypi_device.ioport2);
671         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
672         outb(fn, sonypi_device.ioport1);
673         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
674         outb(v, sonypi_device.ioport1);
675         v1 = inb_p(sonypi_device.ioport1);
676         return v1;
677 }
678
679 #if 0
680 /* Get brightness, hue etc. Unreliable... */
681 static u8 sonypi_read(u8 fn)
682 {
683         u8 v1, v2;
684         int n = 100;
685
686         while (n--) {
687                 v1 = sonypi_call2(0x8f, fn);
688                 v2 = sonypi_call2(0x8f, fn);
689                 if (v1 == v2 && v1 != 0xff)
690                         return v1;
691         }
692         return 0xff;
693 }
694 #endif
695
696 /* Set brightness, hue etc */
697 static void sonypi_set(u8 fn, u8 v)
698 {
699         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
700 }
701
702 /* Tests if the camera is ready */
703 static int sonypi_camera_ready(void)
704 {
705         u8 v;
706
707         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
708         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
709 }
710
711 /* Turns the camera off */
712 static void sonypi_camera_off(void)
713 {
714         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
715
716         if (!sonypi_device.camera_power)
717                 return;
718
719         sonypi_call2(0x91, 0);
720         sonypi_device.camera_power = 0;
721 }
722
723 /* Turns the camera on */
724 static void sonypi_camera_on(void)
725 {
726         int i, j;
727
728         if (sonypi_device.camera_power)
729                 return;
730
731         for (j = 5; j > 0; j--) {
732
733                 while (sonypi_call2(0x91, 0x1))
734                         msleep(10);
735                 sonypi_call1(0x93);
736
737                 for (i = 400; i > 0; i--) {
738                         if (sonypi_camera_ready())
739                                 break;
740                         msleep(10);
741                 }
742                 if (i)
743                         break;
744         }
745
746         if (j == 0) {
747                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
748                 return;
749         }
750
751         sonypi_set(0x10, 0x5a);
752         sonypi_device.camera_power = 1;
753 }
754
755 /* sets the bluetooth subsystem power state */
756 static void sonypi_setbluetoothpower(u8 state)
757 {
758         state = !!state;
759
760         if (sonypi_device.bluetooth_power == state)
761                 return;
762
763         sonypi_call2(0x96, state);
764         sonypi_call1(0x82);
765         sonypi_device.bluetooth_power = state;
766 }
767
768 static void input_keyrelease(void *data)
769 {
770         struct sonypi_keypress kp;
771
772         while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
773                          sizeof(kp)) == sizeof(kp)) {
774                 msleep(10);
775                 input_report_key(kp.dev, kp.key, 0);
776                 input_sync(kp.dev);
777         }
778 }
779
780 static void sonypi_report_input_event(u8 event)
781 {
782         struct input_dev *jog_dev = &sonypi_device.input_jog_dev;
783         struct input_dev *key_dev = &sonypi_device.input_key_dev;
784         struct sonypi_keypress kp = { NULL };
785         int i;
786
787         switch (event) {
788         case SONYPI_EVENT_JOGDIAL_UP:
789         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
790                 input_report_rel(jog_dev, REL_WHEEL, 1);
791                 input_sync(jog_dev);
792                 break;
793
794         case SONYPI_EVENT_JOGDIAL_DOWN:
795         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
796                 input_report_rel(jog_dev, REL_WHEEL, -1);
797                 input_sync(jog_dev);
798                 break;
799
800         case SONYPI_EVENT_JOGDIAL_PRESSED:
801                 kp.key = BTN_MIDDLE;
802                 kp.dev = jog_dev;
803                 break;
804
805         case SONYPI_EVENT_FNKEY_RELEASED:
806                 /* Nothing, not all VAIOs generate this event */
807                 break;
808
809         default:
810                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
811                         if (event == sonypi_inputkeys[i].sonypiev) {
812                                 kp.dev = key_dev;
813                                 kp.key = sonypi_inputkeys[i].inputev;
814                                 break;
815                         }
816                 break;
817         }
818
819         if (kp.dev) {
820                 input_report_key(kp.dev, kp.key, 1);
821                 input_sync(kp.dev);
822                 kfifo_put(sonypi_device.input_fifo,
823                           (unsigned char *)&kp, sizeof(kp));
824                 schedule_work(&sonypi_device.input_work);
825         }
826 }
827
828 /* Interrupt handler: some event is available */
829 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
830 {
831         u8 v1, v2, event = 0;
832         int i, j;
833
834         v1 = inb_p(sonypi_device.ioport1);
835         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
836
837         for (i = 0; sonypi_eventtypes[i].model; i++) {
838                 if (sonypi_device.model != sonypi_eventtypes[i].model)
839                         continue;
840                 if ((v2 & sonypi_eventtypes[i].data) !=
841                     sonypi_eventtypes[i].data)
842                         continue;
843                 if (!(mask & sonypi_eventtypes[i].mask))
844                         continue;
845                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
846                         if (v1 == sonypi_eventtypes[i].events[j].data) {
847                                 event = sonypi_eventtypes[i].events[j].event;
848                                 goto found;
849                         }
850                 }
851         }
852
853         if (verbose)
854                 printk(KERN_WARNING
855                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
856                        v1, v2);
857         /* We need to return IRQ_HANDLED here because there *are*
858          * events belonging to the sonypi device we don't know about,
859          * but we still don't want those to pollute the logs... */
860         return IRQ_HANDLED;
861
862 found:
863         if (verbose > 1)
864                 printk(KERN_INFO
865                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
866
867         if (useinput)
868                 sonypi_report_input_event(event);
869
870         kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
871         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
872         wake_up_interruptible(&sonypi_device.fifo_proc_list);
873
874         return IRQ_HANDLED;
875 }
876
877 /* External camera command (exported to the motion eye v4l driver) */
878 int sonypi_camera_command(int command, u8 value)
879 {
880         if (!camera)
881                 return -EIO;
882
883         down(&sonypi_device.lock);
884
885         switch (command) {
886         case SONYPI_COMMAND_SETCAMERA:
887                 if (value)
888                         sonypi_camera_on();
889                 else
890                         sonypi_camera_off();
891                 break;
892         case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
893                 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
894                 break;
895         case SONYPI_COMMAND_SETCAMERACONTRAST:
896                 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
897                 break;
898         case SONYPI_COMMAND_SETCAMERAHUE:
899                 sonypi_set(SONYPI_CAMERA_HUE, value);
900                 break;
901         case SONYPI_COMMAND_SETCAMERACOLOR:
902                 sonypi_set(SONYPI_CAMERA_COLOR, value);
903                 break;
904         case SONYPI_COMMAND_SETCAMERASHARPNESS:
905                 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
906                 break;
907         case SONYPI_COMMAND_SETCAMERAPICTURE:
908                 sonypi_set(SONYPI_CAMERA_PICTURE, value);
909                 break;
910         case SONYPI_COMMAND_SETCAMERAAGC:
911                 sonypi_set(SONYPI_CAMERA_AGC, value);
912                 break;
913         default:
914                 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
915                        command);
916                 break;
917         }
918         up(&sonypi_device.lock);
919         return 0;
920 }
921
922 EXPORT_SYMBOL(sonypi_camera_command);
923
924 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
925 {
926         int retval;
927
928         retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
929         if (retval < 0)
930                 return retval;
931         return 0;
932 }
933
934 static int sonypi_misc_release(struct inode *inode, struct file *file)
935 {
936         sonypi_misc_fasync(-1, file, 0);
937         down(&sonypi_device.lock);
938         sonypi_device.open_count--;
939         up(&sonypi_device.lock);
940         return 0;
941 }
942
943 static int sonypi_misc_open(struct inode *inode, struct file *file)
944 {
945         down(&sonypi_device.lock);
946         /* Flush input queue on first open */
947         if (!sonypi_device.open_count)
948                 kfifo_reset(sonypi_device.fifo);
949         sonypi_device.open_count++;
950         up(&sonypi_device.lock);
951         return 0;
952 }
953
954 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
955                                 size_t count, loff_t *pos)
956 {
957         ssize_t ret;
958         unsigned char c;
959
960         if ((kfifo_len(sonypi_device.fifo) == 0) &&
961             (file->f_flags & O_NONBLOCK))
962                 return -EAGAIN;
963
964         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
965                                        kfifo_len(sonypi_device.fifo) != 0);
966         if (ret)
967                 return ret;
968
969         while (ret < count &&
970                (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
971                 if (put_user(c, buf++))
972                         return -EFAULT;
973                 ret++;
974         }
975
976         if (ret > 0) {
977                 struct inode *inode = file->f_dentry->d_inode;
978                 inode->i_atime = current_fs_time(inode->i_sb);
979         }
980
981         return ret;
982 }
983
984 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
985 {
986         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
987         if (kfifo_len(sonypi_device.fifo))
988                 return POLLIN | POLLRDNORM;
989         return 0;
990 }
991
992 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
993                              unsigned int cmd, unsigned long arg)
994 {
995         int ret = 0;
996         void __user *argp = (void __user *)arg;
997         u8 val8;
998         u16 val16;
999
1000         down(&sonypi_device.lock);
1001         switch (cmd) {
1002         case SONYPI_IOCGBRT:
1003                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1004                         ret = -EIO;
1005                         break;
1006                 }
1007                 if (copy_to_user(argp, &val8, sizeof(val8)))
1008                         ret = -EFAULT;
1009                 break;
1010         case SONYPI_IOCSBRT:
1011                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1012                         ret = -EFAULT;
1013                         break;
1014                 }
1015                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1016                         ret = -EIO;
1017                 break;
1018         case SONYPI_IOCGBAT1CAP:
1019                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1020                         ret = -EIO;
1021                         break;
1022                 }
1023                 if (copy_to_user(argp, &val16, sizeof(val16)))
1024                         ret = -EFAULT;
1025                 break;
1026         case SONYPI_IOCGBAT1REM:
1027                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1028                         ret = -EIO;
1029                         break;
1030                 }
1031                 if (copy_to_user(argp, &val16, sizeof(val16)))
1032                         ret = -EFAULT;
1033                 break;
1034         case SONYPI_IOCGBAT2CAP:
1035                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1036                         ret = -EIO;
1037                         break;
1038                 }
1039                 if (copy_to_user(argp, &val16, sizeof(val16)))
1040                         ret = -EFAULT;
1041                 break;
1042         case SONYPI_IOCGBAT2REM:
1043                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1044                         ret = -EIO;
1045                         break;
1046                 }
1047                 if (copy_to_user(argp, &val16, sizeof(val16)))
1048                         ret = -EFAULT;
1049                 break;
1050         case SONYPI_IOCGBATFLAGS:
1051                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1052                         ret = -EIO;
1053                         break;
1054                 }
1055                 val8 &= 0x07;
1056                 if (copy_to_user(argp, &val8, sizeof(val8)))
1057                         ret = -EFAULT;
1058                 break;
1059         case SONYPI_IOCGBLUE:
1060                 val8 = sonypi_device.bluetooth_power;
1061                 if (copy_to_user(argp, &val8, sizeof(val8)))
1062                         ret = -EFAULT;
1063                 break;
1064         case SONYPI_IOCSBLUE:
1065                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1066                         ret = -EFAULT;
1067                         break;
1068                 }
1069                 sonypi_setbluetoothpower(val8);
1070                 break;
1071         /* FAN Controls */
1072         case SONYPI_IOCGFAN:
1073                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1074                         ret = -EIO;
1075                         break;
1076                 }
1077                 if (copy_to_user(argp, &val8, sizeof(val8)))
1078                         ret = -EFAULT;
1079                 break;
1080         case SONYPI_IOCSFAN:
1081                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1082                         ret = -EFAULT;
1083                         break;
1084                 }
1085                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1086                         ret = -EIO;
1087                 break;
1088         /* GET Temperature (useful under APM) */
1089         case SONYPI_IOCGTEMP:
1090                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1091                         ret = -EIO;
1092                         break;
1093                 }
1094                 if (copy_to_user(argp, &val8, sizeof(val8)))
1095                         ret = -EFAULT;
1096                 break;
1097         default:
1098                 ret = -EINVAL;
1099         }
1100         up(&sonypi_device.lock);
1101         return ret;
1102 }
1103
1104 static struct file_operations sonypi_misc_fops = {
1105         .owner          = THIS_MODULE,
1106         .read           = sonypi_misc_read,
1107         .poll           = sonypi_misc_poll,
1108         .open           = sonypi_misc_open,
1109         .release        = sonypi_misc_release,
1110         .fasync         = sonypi_misc_fasync,
1111         .ioctl          = sonypi_misc_ioctl,
1112 };
1113
1114 static struct miscdevice sonypi_misc_device = {
1115         .minor          = MISC_DYNAMIC_MINOR,
1116         .name           = "sonypi",
1117         .fops           = &sonypi_misc_fops,
1118 };
1119
1120 static void sonypi_enable(unsigned int camera_on)
1121 {
1122         switch (sonypi_device.model) {
1123         case SONYPI_DEVICE_MODEL_TYPE1:
1124                 sonypi_type1_srs();
1125                 break;
1126         case SONYPI_DEVICE_MODEL_TYPE2:
1127                 sonypi_type2_srs();
1128                 break;
1129         case SONYPI_DEVICE_MODEL_TYPE3:
1130                 sonypi_type3_srs();
1131                 break;
1132         }
1133
1134         sonypi_call1(0x82);
1135         sonypi_call2(0x81, 0xff);
1136         sonypi_call1(compat ? 0x92 : 0x82);
1137
1138         /* Enable ACPI mode to get Fn key events */
1139         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1140                 outb(0xf0, 0xb2);
1141
1142         if (camera && camera_on)
1143                 sonypi_camera_on();
1144 }
1145
1146 static int sonypi_disable(void)
1147 {
1148         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1149         if (camera)
1150                 sonypi_camera_off();
1151
1152         /* disable ACPI mode */
1153         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1154                 outb(0xf1, 0xb2);
1155
1156         switch (sonypi_device.model) {
1157         case SONYPI_DEVICE_MODEL_TYPE1:
1158                 sonypi_type1_dis();
1159                 break;
1160         case SONYPI_DEVICE_MODEL_TYPE2:
1161                 sonypi_type2_dis();
1162                 break;
1163         case SONYPI_DEVICE_MODEL_TYPE3:
1164                 sonypi_type3_dis();
1165                 break;
1166         }
1167
1168         return 0;
1169 }
1170
1171 #ifdef CONFIG_PM
1172 static int old_camera_power;
1173
1174 static int sonypi_suspend(struct device *dev, pm_message_t state, u32 level)
1175 {
1176         if (level == SUSPEND_DISABLE) {
1177                 old_camera_power = sonypi_device.camera_power;
1178                 sonypi_disable();
1179         }
1180         return 0;
1181 }
1182
1183 static int sonypi_resume(struct device *dev, u32 level)
1184 {
1185         if (level == RESUME_ENABLE)
1186                 sonypi_enable(old_camera_power);
1187         return 0;
1188 }
1189 #endif
1190
1191 static void sonypi_shutdown(struct device *dev)
1192 {
1193         sonypi_disable();
1194 }
1195
1196 static struct device_driver sonypi_driver = {
1197         .name           = "sonypi",
1198         .bus            = &platform_bus_type,
1199 #ifdef CONFIG_PM
1200         .suspend        = sonypi_suspend,
1201         .resume         = sonypi_resume,
1202 #endif
1203         .shutdown       = sonypi_shutdown,
1204 };
1205
1206 static int __devinit sonypi_probe(void)
1207 {
1208         int i, ret;
1209         struct sonypi_ioport_list *ioport_list;
1210         struct sonypi_irq_list *irq_list;
1211         struct pci_dev *pcidev;
1212
1213         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1214                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1215                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1216         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1217                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1218                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1219         else
1220                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1221
1222         sonypi_device.dev = pcidev;
1223
1224         spin_lock_init(&sonypi_device.fifo_lock);
1225         sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1226                                          &sonypi_device.fifo_lock);
1227         if (IS_ERR(sonypi_device.fifo)) {
1228                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1229                 ret = PTR_ERR(sonypi_device.fifo);
1230                 goto out_fifo;
1231         }
1232
1233         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1234         init_MUTEX(&sonypi_device.lock);
1235         sonypi_device.bluetooth_power = -1;
1236
1237         if (pcidev && pci_enable_device(pcidev)) {
1238                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1239                 ret = -EIO;
1240                 goto out_pcienable;
1241         }
1242
1243         if (minor != -1)
1244                 sonypi_misc_device.minor = minor;
1245         if ((ret = misc_register(&sonypi_misc_device))) {
1246                 printk(KERN_ERR "sonypi: misc_register failed\n");
1247                 goto out_miscreg;
1248         }
1249
1250
1251         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1252                 ioport_list = sonypi_type1_ioport_list;
1253                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1254                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1255                 irq_list = sonypi_type1_irq_list;
1256         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1257                 ioport_list = sonypi_type2_ioport_list;
1258                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1259                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1260                 irq_list = sonypi_type2_irq_list;
1261         } else {
1262                 ioport_list = sonypi_type3_ioport_list;
1263                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1264                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1265                 irq_list = sonypi_type3_irq_list;
1266         }
1267
1268         for (i = 0; ioport_list[i].port1; i++) {
1269                 if (request_region(ioport_list[i].port1,
1270                                    sonypi_device.region_size,
1271                                    "Sony Programable I/O Device")) {
1272                         /* get the ioport */
1273                         sonypi_device.ioport1 = ioport_list[i].port1;
1274                         sonypi_device.ioport2 = ioport_list[i].port2;
1275                         break;
1276                 }
1277         }
1278         if (!sonypi_device.ioport1) {
1279                 printk(KERN_ERR "sonypi: request_region failed\n");
1280                 ret = -ENODEV;
1281                 goto out_reqreg;
1282         }
1283
1284         for (i = 0; irq_list[i].irq; i++) {
1285
1286                 sonypi_device.irq = irq_list[i].irq;
1287                 sonypi_device.bits = irq_list[i].bits;
1288
1289                 if (!request_irq(sonypi_device.irq, sonypi_irq,
1290                                  SA_SHIRQ, "sonypi", sonypi_irq))
1291                         break;
1292         }
1293
1294         if (!irq_list[i].irq) {
1295                 printk(KERN_ERR "sonypi: request_irq failed\n");
1296                 ret = -ENODEV;
1297                 goto out_reqirq;
1298         }
1299
1300         if (useinput) {
1301                 /* Initialize the Input Drivers: jogdial */
1302                 int i;
1303                 sonypi_device.input_jog_dev.evbit[0] =
1304                         BIT(EV_KEY) | BIT(EV_REL);
1305                 sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
1306                         BIT(BTN_MIDDLE);
1307                 sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
1308                 sonypi_device.input_jog_dev.name = SONYPI_JOG_INPUTNAME;
1309                 sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
1310                 sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
1311
1312                 input_register_device(&sonypi_device.input_jog_dev);
1313                 printk(KERN_INFO "%s input method installed.\n",
1314                        sonypi_device.input_jog_dev.name);
1315
1316                 /* Initialize the Input Drivers: special keys */
1317                 sonypi_device.input_key_dev.evbit[0] = BIT(EV_KEY);
1318                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1319                         if (sonypi_inputkeys[i].inputev)
1320                                 set_bit(sonypi_inputkeys[i].inputev,
1321                                         sonypi_device.input_key_dev.keybit);
1322                 sonypi_device.input_key_dev.name = SONYPI_KEY_INPUTNAME;
1323                 sonypi_device.input_key_dev.id.bustype = BUS_ISA;
1324                 sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
1325
1326                 input_register_device(&sonypi_device.input_key_dev);
1327                 printk(KERN_INFO "%s input method installed.\n",
1328                        sonypi_device.input_key_dev.name);
1329
1330                 spin_lock_init(&sonypi_device.input_fifo_lock);
1331                 sonypi_device.input_fifo =
1332                         kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1333                                     &sonypi_device.input_fifo_lock);
1334                 if (IS_ERR(sonypi_device.input_fifo)) {
1335                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1336                         ret = PTR_ERR(sonypi_device.input_fifo);
1337                         goto out_infifo;
1338                 }
1339
1340                 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1341         }
1342
1343         sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1344                                                              NULL, 0);
1345         if (IS_ERR(sonypi_device.pdev)) {
1346                 ret = PTR_ERR(sonypi_device.pdev);
1347                 goto out_platformdev;
1348         }
1349
1350         sonypi_enable(0);
1351
1352         printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1353                "v%s.\n", SONYPI_DRIVER_VERSION);
1354         printk(KERN_INFO "sonypi: detected type%d model, "
1355                "verbose = %d, fnkeyinit = %s, camera = %s, "
1356                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1357                sonypi_device.model,
1358                verbose,
1359                fnkeyinit ? "on" : "off",
1360                camera ? "on" : "off",
1361                compat ? "on" : "off",
1362                mask,
1363                useinput ? "on" : "off",
1364                SONYPI_ACPI_ACTIVE ? "on" : "off");
1365         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1366                sonypi_device.irq,
1367                sonypi_device.ioport1, sonypi_device.ioport2);
1368
1369         if (minor == -1)
1370                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1371                        sonypi_misc_device.minor);
1372
1373         return 0;
1374
1375 out_platformdev:
1376         kfifo_free(sonypi_device.input_fifo);
1377 out_infifo:
1378         input_unregister_device(&sonypi_device.input_key_dev);
1379         input_unregister_device(&sonypi_device.input_jog_dev);
1380         free_irq(sonypi_device.irq, sonypi_irq);
1381 out_reqirq:
1382         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1383 out_reqreg:
1384         misc_deregister(&sonypi_misc_device);
1385 out_miscreg:
1386         if (pcidev)
1387                 pci_disable_device(pcidev);
1388 out_pcienable:
1389         kfifo_free(sonypi_device.fifo);
1390 out_fifo:
1391         pci_dev_put(sonypi_device.dev);
1392         return ret;
1393 }
1394
1395 static void __devexit sonypi_remove(void)
1396 {
1397         sonypi_disable();
1398
1399         synchronize_sched();  /* Allow sonypi interrupt to complete. */
1400         flush_scheduled_work();
1401
1402         platform_device_unregister(sonypi_device.pdev);
1403
1404         if (useinput) {
1405                 input_unregister_device(&sonypi_device.input_key_dev);
1406                 input_unregister_device(&sonypi_device.input_jog_dev);
1407                 kfifo_free(sonypi_device.input_fifo);
1408         }
1409
1410         free_irq(sonypi_device.irq, sonypi_irq);
1411         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1412         misc_deregister(&sonypi_misc_device);
1413         if (sonypi_device.dev)
1414                 pci_disable_device(sonypi_device.dev);
1415         kfifo_free(sonypi_device.fifo);
1416         pci_dev_put(sonypi_device.dev);
1417         printk(KERN_INFO "sonypi: removed.\n");
1418 }
1419
1420 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1421         {
1422                 .ident = "Sony Vaio",
1423                 .matches = {
1424                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1425                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1426                 },
1427         },
1428         {
1429                 .ident = "Sony Vaio",
1430                 .matches = {
1431                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1432                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1433                 },
1434         },
1435         { }
1436 };
1437
1438 static int __init sonypi_init(void)
1439 {
1440         int ret;
1441
1442         if (!dmi_check_system(sonypi_dmi_table))
1443                 return -ENODEV;
1444
1445         ret = driver_register(&sonypi_driver);
1446         if (ret)
1447                 return ret;
1448
1449         ret = sonypi_probe();
1450         if (ret)
1451                 driver_unregister(&sonypi_driver);
1452
1453         return ret;
1454 }
1455
1456 static void __exit sonypi_exit(void)
1457 {
1458         driver_unregister(&sonypi_driver);
1459         sonypi_remove();
1460 }
1461
1462 module_init(sonypi_init);
1463 module_exit(sonypi_exit);