hwrng: amd - enable AMD hw rnd driver for Maple PPC boards
[linux-2.6.git] / drivers / char / sonypi.c
1 /*
2  * Sony Programmable I/O Control Device driver for VAIO
3  *
4  * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
5  *
6  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
7  *
8  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
9  *
10  * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
11  *
12  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
13  *
14  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
15  *
16  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
17  *
18  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
19  *
20  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
21  *
22  * This program is free software; you can redistribute it and/or modify
23  * it under the terms of the GNU General Public License as published by
24  * the Free Software Foundation; either version 2 of the License, or
25  * (at your option) any later version.
26  *
27  * This program is distributed in the hope that it will be useful,
28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
30  * GNU General Public License for more details.
31  *
32  * You should have received a copy of the GNU General Public License
33  * along with this program; if not, write to the Free Software
34  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
35  *
36  */
37
38 #include <linux/module.h>
39 #include <linux/sched.h>
40 #include <linux/input.h>
41 #include <linux/pci.h>
42 #include <linux/init.h>
43 #include <linux/interrupt.h>
44 #include <linux/miscdevice.h>
45 #include <linux/poll.h>
46 #include <linux/delay.h>
47 #include <linux/wait.h>
48 #include <linux/acpi.h>
49 #include <linux/dmi.h>
50 #include <linux/err.h>
51 #include <linux/kfifo.h>
52 #include <linux/platform_device.h>
53 #include <linux/gfp.h>
54
55 #include <asm/uaccess.h>
56 #include <asm/io.h>
57 #include <asm/system.h>
58
59 #include <linux/sonypi.h>
60
61 #define SONYPI_DRIVER_VERSION    "1.26"
62
63 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
64 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
65 MODULE_LICENSE("GPL");
66 MODULE_VERSION(SONYPI_DRIVER_VERSION);
67
68 static int minor = -1;
69 module_param(minor, int, 0);
70 MODULE_PARM_DESC(minor,
71                  "minor number of the misc device, default is -1 (automatic)");
72
73 static int verbose;             /* = 0 */
74 module_param(verbose, int, 0644);
75 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
76
77 static int fnkeyinit;           /* = 0 */
78 module_param(fnkeyinit, int, 0444);
79 MODULE_PARM_DESC(fnkeyinit,
80                  "set this if your Fn keys do not generate any event");
81
82 static int camera;              /* = 0 */
83 module_param(camera, int, 0444);
84 MODULE_PARM_DESC(camera,
85                  "set this if you have a MotionEye camera (PictureBook series)");
86
87 static int compat;              /* = 0 */
88 module_param(compat, int, 0444);
89 MODULE_PARM_DESC(compat,
90                  "set this if you want to enable backward compatibility mode");
91
92 static unsigned long mask = 0xffffffff;
93 module_param(mask, ulong, 0644);
94 MODULE_PARM_DESC(mask,
95                  "set this to the mask of event you want to enable (see doc)");
96
97 static int useinput = 1;
98 module_param(useinput, int, 0444);
99 MODULE_PARM_DESC(useinput,
100                  "set this if you would like sonypi to feed events to the input subsystem");
101
102 static int check_ioport = 1;
103 module_param(check_ioport, int, 0444);
104 MODULE_PARM_DESC(check_ioport,
105                  "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
106
107 #define SONYPI_DEVICE_MODEL_TYPE1       1
108 #define SONYPI_DEVICE_MODEL_TYPE2       2
109 #define SONYPI_DEVICE_MODEL_TYPE3       3
110
111 /* type1 models use those */
112 #define SONYPI_IRQ_PORT                 0x8034
113 #define SONYPI_IRQ_SHIFT                22
114 #define SONYPI_TYPE1_BASE               0x50
115 #define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
116 #define SONYPI_TYPE1_REGION_SIZE        0x08
117 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
118
119 /* type2 series specifics */
120 #define SONYPI_SIRQ                     0x9b
121 #define SONYPI_SLOB                     0x9c
122 #define SONYPI_SHIB                     0x9d
123 #define SONYPI_TYPE2_REGION_SIZE        0x20
124 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
125
126 /* type3 series specifics */
127 #define SONYPI_TYPE3_BASE               0x40
128 #define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
129 #define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
130 #define SONYPI_TYPE3_REGION_SIZE        0x20
131 #define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
132
133 /* battery / brightness addresses */
134 #define SONYPI_BAT_FLAGS        0x81
135 #define SONYPI_LCD_LIGHT        0x96
136 #define SONYPI_BAT1_PCTRM       0xa0
137 #define SONYPI_BAT1_LEFT        0xa2
138 #define SONYPI_BAT1_MAXRT       0xa4
139 #define SONYPI_BAT2_PCTRM       0xa8
140 #define SONYPI_BAT2_LEFT        0xaa
141 #define SONYPI_BAT2_MAXRT       0xac
142 #define SONYPI_BAT1_MAXTK       0xb0
143 #define SONYPI_BAT1_FULL        0xb2
144 #define SONYPI_BAT2_MAXTK       0xb8
145 #define SONYPI_BAT2_FULL        0xba
146
147 /* FAN0 information (reverse engineered from ACPI tables) */
148 #define SONYPI_FAN0_STATUS      0x93
149 #define SONYPI_TEMP_STATUS      0xC1
150
151 /* ioports used for brightness and type2 events */
152 #define SONYPI_DATA_IOPORT      0x62
153 #define SONYPI_CST_IOPORT       0x66
154
155 /* The set of possible ioports */
156 struct sonypi_ioport_list {
157         u16     port1;
158         u16     port2;
159 };
160
161 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
162         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
163         { 0x1080, 0x1084 },
164         { 0x1090, 0x1094 },
165         { 0x10a0, 0x10a4 },
166         { 0x10b0, 0x10b4 },
167         { 0x0, 0x0 }
168 };
169
170 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
171         { 0x1080, 0x1084 },
172         { 0x10a0, 0x10a4 },
173         { 0x10c0, 0x10c4 },
174         { 0x10e0, 0x10e4 },
175         { 0x0, 0x0 }
176 };
177
178 /* same as in type 2 models */
179 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
180         sonypi_type2_ioport_list;
181
182 /* The set of possible interrupts */
183 struct sonypi_irq_list {
184         u16     irq;
185         u16     bits;
186 };
187
188 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
189         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
190         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
191         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
192         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
193 };
194
195 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
196         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
197         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
198         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
199         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
200         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
201 };
202
203 /* same as in type2 models */
204 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
205
206 #define SONYPI_CAMERA_BRIGHTNESS                0
207 #define SONYPI_CAMERA_CONTRAST                  1
208 #define SONYPI_CAMERA_HUE                       2
209 #define SONYPI_CAMERA_COLOR                     3
210 #define SONYPI_CAMERA_SHARPNESS                 4
211
212 #define SONYPI_CAMERA_PICTURE                   5
213 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
214 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
215 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
216 #define SONYPI_CAMERA_MUTE_MASK                 0x40
217
218 /* the rest don't need a loop until not 0xff */
219 #define SONYPI_CAMERA_AGC                       6
220 #define SONYPI_CAMERA_AGC_MASK                  0x30
221 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
222
223 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
224 #define SONYPI_CAMERA_CONTROL                   0x10
225
226 #define SONYPI_CAMERA_STATUS                    7
227 #define SONYPI_CAMERA_STATUS_READY              0x2
228 #define SONYPI_CAMERA_STATUS_POSITION           0x4
229
230 #define SONYPI_DIRECTION_BACKWARDS              0x4
231
232 #define SONYPI_CAMERA_REVISION                  8
233 #define SONYPI_CAMERA_ROMVERSION                9
234
235 /* Event masks */
236 #define SONYPI_JOGGER_MASK                      0x00000001
237 #define SONYPI_CAPTURE_MASK                     0x00000002
238 #define SONYPI_FNKEY_MASK                       0x00000004
239 #define SONYPI_BLUETOOTH_MASK                   0x00000008
240 #define SONYPI_PKEY_MASK                        0x00000010
241 #define SONYPI_BACK_MASK                        0x00000020
242 #define SONYPI_HELP_MASK                        0x00000040
243 #define SONYPI_LID_MASK                         0x00000080
244 #define SONYPI_ZOOM_MASK                        0x00000100
245 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
246 #define SONYPI_MEYE_MASK                        0x00000400
247 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
248 #define SONYPI_BATTERY_MASK                     0x00001000
249 #define SONYPI_WIRELESS_MASK                    0x00002000
250
251 struct sonypi_event {
252         u8      data;
253         u8      event;
254 };
255
256 /* The set of possible button release events */
257 static struct sonypi_event sonypi_releaseev[] = {
258         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
259         { 0, 0 }
260 };
261
262 /* The set of possible jogger events  */
263 static struct sonypi_event sonypi_joggerev[] = {
264         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
265         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
266         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
267         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
268         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
269         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
270         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
271         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
272         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
273         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
274         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
275         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
276         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
277         { 0, 0 }
278 };
279
280 /* The set of possible capture button events */
281 static struct sonypi_event sonypi_captureev[] = {
282         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
283         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
284         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
285         { 0, 0 }
286 };
287
288 /* The set of possible fnkeys events */
289 static struct sonypi_event sonypi_fnkeyev[] = {
290         { 0x10, SONYPI_EVENT_FNKEY_ESC },
291         { 0x11, SONYPI_EVENT_FNKEY_F1 },
292         { 0x12, SONYPI_EVENT_FNKEY_F2 },
293         { 0x13, SONYPI_EVENT_FNKEY_F3 },
294         { 0x14, SONYPI_EVENT_FNKEY_F4 },
295         { 0x15, SONYPI_EVENT_FNKEY_F5 },
296         { 0x16, SONYPI_EVENT_FNKEY_F6 },
297         { 0x17, SONYPI_EVENT_FNKEY_F7 },
298         { 0x18, SONYPI_EVENT_FNKEY_F8 },
299         { 0x19, SONYPI_EVENT_FNKEY_F9 },
300         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
301         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
302         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
303         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
304         { 0x21, SONYPI_EVENT_FNKEY_1 },
305         { 0x22, SONYPI_EVENT_FNKEY_2 },
306         { 0x31, SONYPI_EVENT_FNKEY_D },
307         { 0x32, SONYPI_EVENT_FNKEY_E },
308         { 0x33, SONYPI_EVENT_FNKEY_F },
309         { 0x34, SONYPI_EVENT_FNKEY_S },
310         { 0x35, SONYPI_EVENT_FNKEY_B },
311         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
312         { 0, 0 }
313 };
314
315 /* The set of possible program key events */
316 static struct sonypi_event sonypi_pkeyev[] = {
317         { 0x01, SONYPI_EVENT_PKEY_P1 },
318         { 0x02, SONYPI_EVENT_PKEY_P2 },
319         { 0x04, SONYPI_EVENT_PKEY_P3 },
320         { 0x5c, SONYPI_EVENT_PKEY_P1 },
321         { 0, 0 }
322 };
323
324 /* The set of possible bluetooth events */
325 static struct sonypi_event sonypi_blueev[] = {
326         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
327         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
328         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
329         { 0, 0 }
330 };
331
332 /* The set of possible wireless events */
333 static struct sonypi_event sonypi_wlessev[] = {
334         { 0x59, SONYPI_EVENT_WIRELESS_ON },
335         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
336         { 0, 0 }
337 };
338
339 /* The set of possible back button events */
340 static struct sonypi_event sonypi_backev[] = {
341         { 0x20, SONYPI_EVENT_BACK_PRESSED },
342         { 0, 0 }
343 };
344
345 /* The set of possible help button events */
346 static struct sonypi_event sonypi_helpev[] = {
347         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
348         { 0, 0 }
349 };
350
351
352 /* The set of possible lid events */
353 static struct sonypi_event sonypi_lidev[] = {
354         { 0x51, SONYPI_EVENT_LID_CLOSED },
355         { 0x50, SONYPI_EVENT_LID_OPENED },
356         { 0, 0 }
357 };
358
359 /* The set of possible zoom events */
360 static struct sonypi_event sonypi_zoomev[] = {
361         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
362         { 0, 0 }
363 };
364
365 /* The set of possible thumbphrase events */
366 static struct sonypi_event sonypi_thumbphraseev[] = {
367         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
368         { 0, 0 }
369 };
370
371 /* The set of possible motioneye camera events */
372 static struct sonypi_event sonypi_meyeev[] = {
373         { 0x00, SONYPI_EVENT_MEYE_FACE },
374         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
375         { 0, 0 }
376 };
377
378 /* The set of possible memorystick events */
379 static struct sonypi_event sonypi_memorystickev[] = {
380         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
381         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
382         { 0, 0 }
383 };
384
385 /* The set of possible battery events */
386 static struct sonypi_event sonypi_batteryev[] = {
387         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
388         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
389         { 0, 0 }
390 };
391
392 static struct sonypi_eventtypes {
393         int                     model;
394         u8                      data;
395         unsigned long           mask;
396         struct sonypi_event *   events;
397 } sonypi_eventtypes[] = {
398         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
399         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
400         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
401         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
402         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
403         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
404         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
405         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
406         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
407         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
408
409         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
410         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
411         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
412         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
413         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
414         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
415         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
416         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
417         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
418         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
419         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
420         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
421         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
422         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
423
424         { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
425         { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
426         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
427         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
428         { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
429         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
430         { 0 }
431 };
432
433 #define SONYPI_BUF_SIZE 128
434
435 /* Correspondance table between sonypi events and input layer events */
436 static struct {
437         int sonypiev;
438         int inputev;
439 } sonypi_inputkeys[] = {
440         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
441         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
442         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
443         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
444         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
445         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
446         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
447         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
448         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
449         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
450         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
451         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
452         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
453         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
454         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
455         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
456         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
457         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
458         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
459         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
460         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
461         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
462         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
463         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
464         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
465         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
466         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
467         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
468         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
469         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
470         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
471         { 0, 0 },
472 };
473
474 struct sonypi_keypress {
475         struct input_dev *dev;
476         int key;
477 };
478
479 static struct sonypi_device {
480         struct pci_dev *dev;
481         u16 irq;
482         u16 bits;
483         u16 ioport1;
484         u16 ioport2;
485         u16 region_size;
486         u16 evtype_offset;
487         int camera_power;
488         int bluetooth_power;
489         struct mutex lock;
490         struct kfifo fifo;
491         spinlock_t fifo_lock;
492         wait_queue_head_t fifo_proc_list;
493         struct fasync_struct *fifo_async;
494         int open_count;
495         int model;
496         struct input_dev *input_jog_dev;
497         struct input_dev *input_key_dev;
498         struct work_struct input_work;
499         struct kfifo input_fifo;
500         spinlock_t input_fifo_lock;
501 } sonypi_device;
502
503 #define ITERATIONS_LONG         10000
504 #define ITERATIONS_SHORT        10
505
506 #define wait_on_command(quiet, command, iterations) { \
507         unsigned int n = iterations; \
508         while (--n && (command)) \
509                 udelay(1); \
510         if (!n && (verbose || !quiet)) \
511                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
512 }
513
514 #ifdef CONFIG_ACPI
515 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
516 #else
517 #define SONYPI_ACPI_ACTIVE 0
518 #endif                          /* CONFIG_ACPI */
519
520 #ifdef CONFIG_ACPI
521 static struct acpi_device *sonypi_acpi_device;
522 static int acpi_driver_registered;
523 #endif
524
525 static int sonypi_ec_write(u8 addr, u8 value)
526 {
527 #ifdef CONFIG_ACPI
528         if (SONYPI_ACPI_ACTIVE)
529                 return ec_write(addr, value);
530 #endif
531         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
532         outb_p(0x81, SONYPI_CST_IOPORT);
533         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
534         outb_p(addr, SONYPI_DATA_IOPORT);
535         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
536         outb_p(value, SONYPI_DATA_IOPORT);
537         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
538         return 0;
539 }
540
541 static int sonypi_ec_read(u8 addr, u8 *value)
542 {
543 #ifdef CONFIG_ACPI
544         if (SONYPI_ACPI_ACTIVE)
545                 return ec_read(addr, value);
546 #endif
547         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
548         outb_p(0x80, SONYPI_CST_IOPORT);
549         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
550         outb_p(addr, SONYPI_DATA_IOPORT);
551         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
552         *value = inb_p(SONYPI_DATA_IOPORT);
553         return 0;
554 }
555
556 static int ec_read16(u8 addr, u16 *value)
557 {
558         u8 val_lb, val_hb;
559         if (sonypi_ec_read(addr, &val_lb))
560                 return -1;
561         if (sonypi_ec_read(addr + 1, &val_hb))
562                 return -1;
563         *value = val_lb | (val_hb << 8);
564         return 0;
565 }
566
567 /* Initializes the device - this comes from the AML code in the ACPI bios */
568 static void sonypi_type1_srs(void)
569 {
570         u32 v;
571
572         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
573         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
574         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
575
576         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
577         v = (v & 0xFFF0FFFF) |
578             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
579         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
580
581         v = inl(SONYPI_IRQ_PORT);
582         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
583         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
584         outl(v, SONYPI_IRQ_PORT);
585
586         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
587         v = (v & 0xFF1FFFFF) | 0x00C00000;
588         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
589 }
590
591 static void sonypi_type2_srs(void)
592 {
593         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
594                 printk(KERN_WARNING "ec_write failed\n");
595         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
596                 printk(KERN_WARNING "ec_write failed\n");
597         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
598                 printk(KERN_WARNING "ec_write failed\n");
599         udelay(10);
600 }
601
602 static void sonypi_type3_srs(void)
603 {
604         u16 v16;
605         u8  v8;
606
607         /* This model type uses the same initialiazation of
608          * the embedded controller as the type2 models. */
609         sonypi_type2_srs();
610
611         /* Initialization of PCI config space of the LPC interface bridge. */
612         v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
613         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
614         pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
615         v8 = (v8 & 0xCF) | 0x10;
616         pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
617 }
618
619 /* Disables the device - this comes from the AML code in the ACPI bios */
620 static void sonypi_type1_dis(void)
621 {
622         u32 v;
623
624         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
625         v = v & 0xFF3FFFFF;
626         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
627
628         v = inl(SONYPI_IRQ_PORT);
629         v |= (0x3 << SONYPI_IRQ_SHIFT);
630         outl(v, SONYPI_IRQ_PORT);
631 }
632
633 static void sonypi_type2_dis(void)
634 {
635         if (sonypi_ec_write(SONYPI_SHIB, 0))
636                 printk(KERN_WARNING "ec_write failed\n");
637         if (sonypi_ec_write(SONYPI_SLOB, 0))
638                 printk(KERN_WARNING "ec_write failed\n");
639         if (sonypi_ec_write(SONYPI_SIRQ, 0))
640                 printk(KERN_WARNING "ec_write failed\n");
641 }
642
643 static void sonypi_type3_dis(void)
644 {
645         sonypi_type2_dis();
646         udelay(10);
647         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
648 }
649
650 static u8 sonypi_call1(u8 dev)
651 {
652         u8 v1, v2;
653
654         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
655         outb(dev, sonypi_device.ioport2);
656         v1 = inb_p(sonypi_device.ioport2);
657         v2 = inb_p(sonypi_device.ioport1);
658         return v2;
659 }
660
661 static u8 sonypi_call2(u8 dev, u8 fn)
662 {
663         u8 v1;
664
665         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
666         outb(dev, sonypi_device.ioport2);
667         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
668         outb(fn, sonypi_device.ioport1);
669         v1 = inb_p(sonypi_device.ioport1);
670         return v1;
671 }
672
673 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
674 {
675         u8 v1;
676
677         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
678         outb(dev, sonypi_device.ioport2);
679         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
680         outb(fn, sonypi_device.ioport1);
681         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
682         outb(v, sonypi_device.ioport1);
683         v1 = inb_p(sonypi_device.ioport1);
684         return v1;
685 }
686
687 #if 0
688 /* Get brightness, hue etc. Unreliable... */
689 static u8 sonypi_read(u8 fn)
690 {
691         u8 v1, v2;
692         int n = 100;
693
694         while (n--) {
695                 v1 = sonypi_call2(0x8f, fn);
696                 v2 = sonypi_call2(0x8f, fn);
697                 if (v1 == v2 && v1 != 0xff)
698                         return v1;
699         }
700         return 0xff;
701 }
702 #endif
703
704 /* Set brightness, hue etc */
705 static void sonypi_set(u8 fn, u8 v)
706 {
707         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
708 }
709
710 /* Tests if the camera is ready */
711 static int sonypi_camera_ready(void)
712 {
713         u8 v;
714
715         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
716         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
717 }
718
719 /* Turns the camera off */
720 static void sonypi_camera_off(void)
721 {
722         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
723
724         if (!sonypi_device.camera_power)
725                 return;
726
727         sonypi_call2(0x91, 0);
728         sonypi_device.camera_power = 0;
729 }
730
731 /* Turns the camera on */
732 static void sonypi_camera_on(void)
733 {
734         int i, j;
735
736         if (sonypi_device.camera_power)
737                 return;
738
739         for (j = 5; j > 0; j--) {
740
741                 while (sonypi_call2(0x91, 0x1))
742                         msleep(10);
743                 sonypi_call1(0x93);
744
745                 for (i = 400; i > 0; i--) {
746                         if (sonypi_camera_ready())
747                                 break;
748                         msleep(10);
749                 }
750                 if (i)
751                         break;
752         }
753
754         if (j == 0) {
755                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
756                 return;
757         }
758
759         sonypi_set(0x10, 0x5a);
760         sonypi_device.camera_power = 1;
761 }
762
763 /* sets the bluetooth subsystem power state */
764 static void sonypi_setbluetoothpower(u8 state)
765 {
766         state = !!state;
767
768         if (sonypi_device.bluetooth_power == state)
769                 return;
770
771         sonypi_call2(0x96, state);
772         sonypi_call1(0x82);
773         sonypi_device.bluetooth_power = state;
774 }
775
776 static void input_keyrelease(struct work_struct *work)
777 {
778         struct sonypi_keypress kp;
779
780         while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
781                          sizeof(kp), &sonypi_device.input_fifo_lock)
782                         == sizeof(kp)) {
783                 msleep(10);
784                 input_report_key(kp.dev, kp.key, 0);
785                 input_sync(kp.dev);
786         }
787 }
788
789 static void sonypi_report_input_event(u8 event)
790 {
791         struct input_dev *jog_dev = sonypi_device.input_jog_dev;
792         struct input_dev *key_dev = sonypi_device.input_key_dev;
793         struct sonypi_keypress kp = { NULL };
794         int i;
795
796         switch (event) {
797         case SONYPI_EVENT_JOGDIAL_UP:
798         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
799                 input_report_rel(jog_dev, REL_WHEEL, 1);
800                 input_sync(jog_dev);
801                 break;
802
803         case SONYPI_EVENT_JOGDIAL_DOWN:
804         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
805                 input_report_rel(jog_dev, REL_WHEEL, -1);
806                 input_sync(jog_dev);
807                 break;
808
809         case SONYPI_EVENT_JOGDIAL_PRESSED:
810                 kp.key = BTN_MIDDLE;
811                 kp.dev = jog_dev;
812                 break;
813
814         case SONYPI_EVENT_FNKEY_RELEASED:
815                 /* Nothing, not all VAIOs generate this event */
816                 break;
817
818         default:
819                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
820                         if (event == sonypi_inputkeys[i].sonypiev) {
821                                 kp.dev = key_dev;
822                                 kp.key = sonypi_inputkeys[i].inputev;
823                                 break;
824                         }
825                 break;
826         }
827
828         if (kp.dev) {
829                 input_report_key(kp.dev, kp.key, 1);
830                 input_sync(kp.dev);
831                 kfifo_in_locked(&sonypi_device.input_fifo,
832                         (unsigned char *)&kp, sizeof(kp),
833                         &sonypi_device.input_fifo_lock);
834                 schedule_work(&sonypi_device.input_work);
835         }
836 }
837
838 /* Interrupt handler: some event is available */
839 static irqreturn_t sonypi_irq(int irq, void *dev_id)
840 {
841         u8 v1, v2, event = 0;
842         int i, j;
843
844         v1 = inb_p(sonypi_device.ioport1);
845         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
846
847         for (i = 0; sonypi_eventtypes[i].model; i++) {
848                 if (sonypi_device.model != sonypi_eventtypes[i].model)
849                         continue;
850                 if ((v2 & sonypi_eventtypes[i].data) !=
851                     sonypi_eventtypes[i].data)
852                         continue;
853                 if (!(mask & sonypi_eventtypes[i].mask))
854                         continue;
855                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
856                         if (v1 == sonypi_eventtypes[i].events[j].data) {
857                                 event = sonypi_eventtypes[i].events[j].event;
858                                 goto found;
859                         }
860                 }
861         }
862
863         if (verbose)
864                 printk(KERN_WARNING
865                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
866                        v1, v2);
867         /* We need to return IRQ_HANDLED here because there *are*
868          * events belonging to the sonypi device we don't know about,
869          * but we still don't want those to pollute the logs... */
870         return IRQ_HANDLED;
871
872 found:
873         if (verbose > 1)
874                 printk(KERN_INFO
875                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
876
877         if (useinput)
878                 sonypi_report_input_event(event);
879
880 #ifdef CONFIG_ACPI
881         if (sonypi_acpi_device)
882                 acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
883 #endif
884
885         kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
886                         sizeof(event), &sonypi_device.fifo_lock);
887         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
888         wake_up_interruptible(&sonypi_device.fifo_proc_list);
889
890         return IRQ_HANDLED;
891 }
892
893 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
894 {
895         return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
896 }
897
898 static int sonypi_misc_release(struct inode *inode, struct file *file)
899 {
900         mutex_lock(&sonypi_device.lock);
901         sonypi_device.open_count--;
902         mutex_unlock(&sonypi_device.lock);
903         return 0;
904 }
905
906 static int sonypi_misc_open(struct inode *inode, struct file *file)
907 {
908         mutex_lock(&sonypi_device.lock);
909         /* Flush input queue on first open */
910         if (!sonypi_device.open_count)
911                 kfifo_reset(&sonypi_device.fifo);
912         sonypi_device.open_count++;
913         mutex_unlock(&sonypi_device.lock);
914
915         return 0;
916 }
917
918 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
919                                 size_t count, loff_t *pos)
920 {
921         ssize_t ret;
922         unsigned char c;
923
924         if ((kfifo_len(&sonypi_device.fifo) == 0) &&
925             (file->f_flags & O_NONBLOCK))
926                 return -EAGAIN;
927
928         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
929                                        kfifo_len(&sonypi_device.fifo) != 0);
930         if (ret)
931                 return ret;
932
933         while (ret < count &&
934                (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
935                                  &sonypi_device.fifo_lock) == sizeof(c))) {
936                 if (put_user(c, buf++))
937                         return -EFAULT;
938                 ret++;
939         }
940
941         if (ret > 0) {
942                 struct inode *inode = file->f_path.dentry->d_inode;
943                 inode->i_atime = current_fs_time(inode->i_sb);
944         }
945
946         return ret;
947 }
948
949 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
950 {
951         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
952         if (kfifo_len(&sonypi_device.fifo))
953                 return POLLIN | POLLRDNORM;
954         return 0;
955 }
956
957 static long sonypi_misc_ioctl(struct file *fp,
958                              unsigned int cmd, unsigned long arg)
959 {
960         long ret = 0;
961         void __user *argp = (void __user *)arg;
962         u8 val8;
963         u16 val16;
964
965         mutex_lock(&sonypi_device.lock);
966         switch (cmd) {
967         case SONYPI_IOCGBRT:
968                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
969                         ret = -EIO;
970                         break;
971                 }
972                 if (copy_to_user(argp, &val8, sizeof(val8)))
973                         ret = -EFAULT;
974                 break;
975         case SONYPI_IOCSBRT:
976                 if (copy_from_user(&val8, argp, sizeof(val8))) {
977                         ret = -EFAULT;
978                         break;
979                 }
980                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
981                         ret = -EIO;
982                 break;
983         case SONYPI_IOCGBAT1CAP:
984                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
985                         ret = -EIO;
986                         break;
987                 }
988                 if (copy_to_user(argp, &val16, sizeof(val16)))
989                         ret = -EFAULT;
990                 break;
991         case SONYPI_IOCGBAT1REM:
992                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
993                         ret = -EIO;
994                         break;
995                 }
996                 if (copy_to_user(argp, &val16, sizeof(val16)))
997                         ret = -EFAULT;
998                 break;
999         case SONYPI_IOCGBAT2CAP:
1000                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1001                         ret = -EIO;
1002                         break;
1003                 }
1004                 if (copy_to_user(argp, &val16, sizeof(val16)))
1005                         ret = -EFAULT;
1006                 break;
1007         case SONYPI_IOCGBAT2REM:
1008                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1009                         ret = -EIO;
1010                         break;
1011                 }
1012                 if (copy_to_user(argp, &val16, sizeof(val16)))
1013                         ret = -EFAULT;
1014                 break;
1015         case SONYPI_IOCGBATFLAGS:
1016                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1017                         ret = -EIO;
1018                         break;
1019                 }
1020                 val8 &= 0x07;
1021                 if (copy_to_user(argp, &val8, sizeof(val8)))
1022                         ret = -EFAULT;
1023                 break;
1024         case SONYPI_IOCGBLUE:
1025                 val8 = sonypi_device.bluetooth_power;
1026                 if (copy_to_user(argp, &val8, sizeof(val8)))
1027                         ret = -EFAULT;
1028                 break;
1029         case SONYPI_IOCSBLUE:
1030                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1031                         ret = -EFAULT;
1032                         break;
1033                 }
1034                 sonypi_setbluetoothpower(val8);
1035                 break;
1036         /* FAN Controls */
1037         case SONYPI_IOCGFAN:
1038                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1039                         ret = -EIO;
1040                         break;
1041                 }
1042                 if (copy_to_user(argp, &val8, sizeof(val8)))
1043                         ret = -EFAULT;
1044                 break;
1045         case SONYPI_IOCSFAN:
1046                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1047                         ret = -EFAULT;
1048                         break;
1049                 }
1050                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1051                         ret = -EIO;
1052                 break;
1053         /* GET Temperature (useful under APM) */
1054         case SONYPI_IOCGTEMP:
1055                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1056                         ret = -EIO;
1057                         break;
1058                 }
1059                 if (copy_to_user(argp, &val8, sizeof(val8)))
1060                         ret = -EFAULT;
1061                 break;
1062         default:
1063                 ret = -EINVAL;
1064         }
1065         mutex_unlock(&sonypi_device.lock);
1066         return ret;
1067 }
1068
1069 static const struct file_operations sonypi_misc_fops = {
1070         .owner          = THIS_MODULE,
1071         .read           = sonypi_misc_read,
1072         .poll           = sonypi_misc_poll,
1073         .open           = sonypi_misc_open,
1074         .release        = sonypi_misc_release,
1075         .fasync         = sonypi_misc_fasync,
1076         .unlocked_ioctl = sonypi_misc_ioctl,
1077         .llseek         = no_llseek,
1078 };
1079
1080 static struct miscdevice sonypi_misc_device = {
1081         .minor          = MISC_DYNAMIC_MINOR,
1082         .name           = "sonypi",
1083         .fops           = &sonypi_misc_fops,
1084 };
1085
1086 static void sonypi_enable(unsigned int camera_on)
1087 {
1088         switch (sonypi_device.model) {
1089         case SONYPI_DEVICE_MODEL_TYPE1:
1090                 sonypi_type1_srs();
1091                 break;
1092         case SONYPI_DEVICE_MODEL_TYPE2:
1093                 sonypi_type2_srs();
1094                 break;
1095         case SONYPI_DEVICE_MODEL_TYPE3:
1096                 sonypi_type3_srs();
1097                 break;
1098         }
1099
1100         sonypi_call1(0x82);
1101         sonypi_call2(0x81, 0xff);
1102         sonypi_call1(compat ? 0x92 : 0x82);
1103
1104         /* Enable ACPI mode to get Fn key events */
1105         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1106                 outb(0xf0, 0xb2);
1107
1108         if (camera && camera_on)
1109                 sonypi_camera_on();
1110 }
1111
1112 static int sonypi_disable(void)
1113 {
1114         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1115         if (camera)
1116                 sonypi_camera_off();
1117
1118         /* disable ACPI mode */
1119         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1120                 outb(0xf1, 0xb2);
1121
1122         switch (sonypi_device.model) {
1123         case SONYPI_DEVICE_MODEL_TYPE1:
1124                 sonypi_type1_dis();
1125                 break;
1126         case SONYPI_DEVICE_MODEL_TYPE2:
1127                 sonypi_type2_dis();
1128                 break;
1129         case SONYPI_DEVICE_MODEL_TYPE3:
1130                 sonypi_type3_dis();
1131                 break;
1132         }
1133
1134         return 0;
1135 }
1136
1137 #ifdef CONFIG_ACPI
1138 static int sonypi_acpi_add(struct acpi_device *device)
1139 {
1140         sonypi_acpi_device = device;
1141         strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1142         strcpy(acpi_device_class(device), "sony/hotkey");
1143         return 0;
1144 }
1145
1146 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1147 {
1148         sonypi_acpi_device = NULL;
1149         return 0;
1150 }
1151
1152 static const struct acpi_device_id sonypi_device_ids[] = {
1153         {"SNY6001", 0},
1154         {"", 0},
1155 };
1156
1157 static struct acpi_driver sonypi_acpi_driver = {
1158         .name           = "sonypi",
1159         .class          = "hkey",
1160         .ids            = sonypi_device_ids,
1161         .ops            = {
1162                            .add = sonypi_acpi_add,
1163                            .remove = sonypi_acpi_remove,
1164         },
1165 };
1166 #endif
1167
1168 static int __devinit sonypi_create_input_devices(struct platform_device *pdev)
1169 {
1170         struct input_dev *jog_dev;
1171         struct input_dev *key_dev;
1172         int i;
1173         int error;
1174
1175         sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1176         if (!jog_dev)
1177                 return -ENOMEM;
1178
1179         jog_dev->name = "Sony Vaio Jogdial";
1180         jog_dev->id.bustype = BUS_ISA;
1181         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1182         jog_dev->dev.parent = &pdev->dev;
1183
1184         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1185         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1186         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1187
1188         sonypi_device.input_key_dev = key_dev = input_allocate_device();
1189         if (!key_dev) {
1190                 error = -ENOMEM;
1191                 goto err_free_jogdev;
1192         }
1193
1194         key_dev->name = "Sony Vaio Keys";
1195         key_dev->id.bustype = BUS_ISA;
1196         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1197         key_dev->dev.parent = &pdev->dev;
1198
1199         /* Initialize the Input Drivers: special keys */
1200         key_dev->evbit[0] = BIT_MASK(EV_KEY);
1201         for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1202                 if (sonypi_inputkeys[i].inputev)
1203                         set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1204
1205         error = input_register_device(jog_dev);
1206         if (error)
1207                 goto err_free_keydev;
1208
1209         error = input_register_device(key_dev);
1210         if (error)
1211                 goto err_unregister_jogdev;
1212
1213         return 0;
1214
1215  err_unregister_jogdev:
1216         input_unregister_device(jog_dev);
1217         /* Set to NULL so we don't free it again below */
1218         jog_dev = NULL;
1219  err_free_keydev:
1220         input_free_device(key_dev);
1221         sonypi_device.input_key_dev = NULL;
1222  err_free_jogdev:
1223         input_free_device(jog_dev);
1224         sonypi_device.input_jog_dev = NULL;
1225
1226         return error;
1227 }
1228
1229 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1230                                 const struct sonypi_ioport_list *ioport_list)
1231 {
1232         /* try to detect if sony-laptop is being used and thus
1233          * has already requested one of the known ioports.
1234          * As in the deprecated check_region this is racy has we have
1235          * multiple ioports available and one of them can be requested
1236          * between this check and the subsequent request. Anyway, as an
1237          * attempt to be some more user-friendly as we currently are,
1238          * this is enough.
1239          */
1240         const struct sonypi_ioport_list *check = ioport_list;
1241         while (check_ioport && check->port1) {
1242                 if (!request_region(check->port1,
1243                                    sonypi_device.region_size,
1244                                    "Sony Programable I/O Device Check")) {
1245                         printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1246                                         "if not use check_ioport=0\n",
1247                                         check->port1);
1248                         return -EBUSY;
1249                 }
1250                 release_region(check->port1, sonypi_device.region_size);
1251                 check++;
1252         }
1253
1254         while (ioport_list->port1) {
1255
1256                 if (request_region(ioport_list->port1,
1257                                    sonypi_device.region_size,
1258                                    "Sony Programable I/O Device")) {
1259                         dev->ioport1 = ioport_list->port1;
1260                         dev->ioport2 = ioport_list->port2;
1261                         return 0;
1262                 }
1263                 ioport_list++;
1264         }
1265
1266         return -EBUSY;
1267 }
1268
1269 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1270                                       const struct sonypi_irq_list *irq_list)
1271 {
1272         while (irq_list->irq) {
1273
1274                 if (!request_irq(irq_list->irq, sonypi_irq,
1275                                  IRQF_SHARED, "sonypi", sonypi_irq)) {
1276                         dev->irq = irq_list->irq;
1277                         dev->bits = irq_list->bits;
1278                         return 0;
1279                 }
1280                 irq_list++;
1281         }
1282
1283         return -EBUSY;
1284 }
1285
1286 static void __devinit sonypi_display_info(void)
1287 {
1288         printk(KERN_INFO "sonypi: detected type%d model, "
1289                "verbose = %d, fnkeyinit = %s, camera = %s, "
1290                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1291                sonypi_device.model,
1292                verbose,
1293                fnkeyinit ? "on" : "off",
1294                camera ? "on" : "off",
1295                compat ? "on" : "off",
1296                mask,
1297                useinput ? "on" : "off",
1298                SONYPI_ACPI_ACTIVE ? "on" : "off");
1299         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1300                sonypi_device.irq,
1301                sonypi_device.ioport1, sonypi_device.ioport2);
1302
1303         if (minor == -1)
1304                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1305                        sonypi_misc_device.minor);
1306 }
1307
1308 static int __devinit sonypi_probe(struct platform_device *dev)
1309 {
1310         const struct sonypi_ioport_list *ioport_list;
1311         const struct sonypi_irq_list *irq_list;
1312         struct pci_dev *pcidev;
1313         int error;
1314
1315         printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1316                         "and report failures, see also "
1317                         "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1318
1319         spin_lock_init(&sonypi_device.fifo_lock);
1320         error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1321         if (error) {
1322                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1323                 return error;
1324         }
1325
1326         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1327         mutex_init(&sonypi_device.lock);
1328         sonypi_device.bluetooth_power = -1;
1329
1330         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1331                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1332                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1333         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1334                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1335                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1336         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1337                                           PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1338                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1339         else
1340                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1341
1342         if (pcidev && pci_enable_device(pcidev)) {
1343                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1344                 error = -EIO;
1345                 goto err_put_pcidev;
1346         }
1347
1348         sonypi_device.dev = pcidev;
1349
1350         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1351                 ioport_list = sonypi_type1_ioport_list;
1352                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1353                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1354                 irq_list = sonypi_type1_irq_list;
1355         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1356                 ioport_list = sonypi_type2_ioport_list;
1357                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1358                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1359                 irq_list = sonypi_type2_irq_list;
1360         } else {
1361                 ioport_list = sonypi_type3_ioport_list;
1362                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1363                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1364                 irq_list = sonypi_type3_irq_list;
1365         }
1366
1367         error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1368         if (error) {
1369                 printk(KERN_ERR "sonypi: failed to request ioports\n");
1370                 goto err_disable_pcidev;
1371         }
1372
1373         error = sonypi_setup_irq(&sonypi_device, irq_list);
1374         if (error) {
1375                 printk(KERN_ERR "sonypi: request_irq failed\n");
1376                 goto err_free_ioports;
1377         }
1378
1379         if (minor != -1)
1380                 sonypi_misc_device.minor = minor;
1381         error = misc_register(&sonypi_misc_device);
1382         if (error) {
1383                 printk(KERN_ERR "sonypi: misc_register failed\n");
1384                 goto err_free_irq;
1385         }
1386
1387         sonypi_display_info();
1388
1389         if (useinput) {
1390
1391                 error = sonypi_create_input_devices(dev);
1392                 if (error) {
1393                         printk(KERN_ERR
1394                                 "sonypi: failed to create input devices\n");
1395                         goto err_miscdev_unregister;
1396                 }
1397
1398                 spin_lock_init(&sonypi_device.input_fifo_lock);
1399                 error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1400                                 GFP_KERNEL);
1401                 if (error) {
1402                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1403                         goto err_inpdev_unregister;
1404                 }
1405
1406                 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1407         }
1408
1409         sonypi_enable(0);
1410
1411         return 0;
1412
1413  err_inpdev_unregister:
1414         input_unregister_device(sonypi_device.input_key_dev);
1415         input_unregister_device(sonypi_device.input_jog_dev);
1416  err_miscdev_unregister:
1417         misc_deregister(&sonypi_misc_device);
1418  err_free_irq:
1419         free_irq(sonypi_device.irq, sonypi_irq);
1420  err_free_ioports:
1421         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1422  err_disable_pcidev:
1423         if (pcidev)
1424                 pci_disable_device(pcidev);
1425  err_put_pcidev:
1426         pci_dev_put(pcidev);
1427         kfifo_free(&sonypi_device.fifo);
1428
1429         return error;
1430 }
1431
1432 static int __devexit sonypi_remove(struct platform_device *dev)
1433 {
1434         sonypi_disable();
1435
1436         synchronize_irq(sonypi_device.irq);
1437         flush_work_sync(&sonypi_device.input_work);
1438
1439         if (useinput) {
1440                 input_unregister_device(sonypi_device.input_key_dev);
1441                 input_unregister_device(sonypi_device.input_jog_dev);
1442                 kfifo_free(&sonypi_device.input_fifo);
1443         }
1444
1445         misc_deregister(&sonypi_misc_device);
1446
1447         free_irq(sonypi_device.irq, sonypi_irq);
1448         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1449
1450         if (sonypi_device.dev) {
1451                 pci_disable_device(sonypi_device.dev);
1452                 pci_dev_put(sonypi_device.dev);
1453         }
1454
1455         kfifo_free(&sonypi_device.fifo);
1456
1457         return 0;
1458 }
1459
1460 #ifdef CONFIG_PM
1461 static int old_camera_power;
1462
1463 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1464 {
1465         old_camera_power = sonypi_device.camera_power;
1466         sonypi_disable();
1467
1468         return 0;
1469 }
1470
1471 static int sonypi_resume(struct platform_device *dev)
1472 {
1473         sonypi_enable(old_camera_power);
1474         return 0;
1475 }
1476 #else
1477 #define sonypi_suspend  NULL
1478 #define sonypi_resume   NULL
1479 #endif
1480
1481 static void sonypi_shutdown(struct platform_device *dev)
1482 {
1483         sonypi_disable();
1484 }
1485
1486 static struct platform_driver sonypi_driver = {
1487         .driver         = {
1488                 .name   = "sonypi",
1489                 .owner  = THIS_MODULE,
1490         },
1491         .probe          = sonypi_probe,
1492         .remove         = __devexit_p(sonypi_remove),
1493         .shutdown       = sonypi_shutdown,
1494         .suspend        = sonypi_suspend,
1495         .resume         = sonypi_resume,
1496 };
1497
1498 static struct platform_device *sonypi_platform_device;
1499
1500 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1501         {
1502                 .ident = "Sony Vaio",
1503                 .matches = {
1504                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1505                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1506                 },
1507         },
1508         {
1509                 .ident = "Sony Vaio",
1510                 .matches = {
1511                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1512                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1513                 },
1514         },
1515         { }
1516 };
1517
1518 static int __init sonypi_init(void)
1519 {
1520         int error;
1521
1522         printk(KERN_INFO
1523                 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1524                 SONYPI_DRIVER_VERSION);
1525
1526         if (!dmi_check_system(sonypi_dmi_table))
1527                 return -ENODEV;
1528
1529         error = platform_driver_register(&sonypi_driver);
1530         if (error)
1531                 return error;
1532
1533         sonypi_platform_device = platform_device_alloc("sonypi", -1);
1534         if (!sonypi_platform_device) {
1535                 error = -ENOMEM;
1536                 goto err_driver_unregister;
1537         }
1538
1539         error = platform_device_add(sonypi_platform_device);
1540         if (error)
1541                 goto err_free_device;
1542
1543 #ifdef CONFIG_ACPI
1544         if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1545                 acpi_driver_registered = 1;
1546 #endif
1547
1548         return 0;
1549
1550  err_free_device:
1551         platform_device_put(sonypi_platform_device);
1552  err_driver_unregister:
1553         platform_driver_unregister(&sonypi_driver);
1554         return error;
1555 }
1556
1557 static void __exit sonypi_exit(void)
1558 {
1559 #ifdef CONFIG_ACPI
1560         if (acpi_driver_registered)
1561                 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1562 #endif
1563         platform_device_unregister(sonypi_platform_device);
1564         platform_driver_unregister(&sonypi_driver);
1565         printk(KERN_INFO "sonypi: removed.\n");
1566 }
1567
1568 module_init(sonypi_init);
1569 module_exit(sonypi_exit);