xref: /linux/drivers/char/sonypi.c (revision 858259cf7d1c443c836a2022b78cb281f0a9b95e)
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 Alc�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 #include <linux/platform_device.h>
52 
53 #include <asm/uaccess.h>
54 #include <asm/io.h>
55 #include <asm/system.h>
56 
57 #include <linux/sonypi.h>
58 
59 #define SONYPI_DRIVER_VERSION	 "1.26"
60 
61 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
62 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
63 MODULE_LICENSE("GPL");
64 MODULE_VERSION(SONYPI_DRIVER_VERSION);
65 
66 static int minor = -1;
67 module_param(minor, int, 0);
68 MODULE_PARM_DESC(minor,
69 		 "minor number of the misc device, default is -1 (automatic)");
70 
71 static int verbose;		/* = 0 */
72 module_param(verbose, int, 0644);
73 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
74 
75 static int fnkeyinit;		/* = 0 */
76 module_param(fnkeyinit, int, 0444);
77 MODULE_PARM_DESC(fnkeyinit,
78 		 "set this if your Fn keys do not generate any event");
79 
80 static int camera;		/* = 0 */
81 module_param(camera, int, 0444);
82 MODULE_PARM_DESC(camera,
83 		 "set this if you have a MotionEye camera (PictureBook series)");
84 
85 static int compat;		/* = 0 */
86 module_param(compat, int, 0444);
87 MODULE_PARM_DESC(compat,
88 		 "set this if you want to enable backward compatibility mode");
89 
90 static unsigned long mask = 0xffffffff;
91 module_param(mask, ulong, 0644);
92 MODULE_PARM_DESC(mask,
93 		 "set this to the mask of event you want to enable (see doc)");
94 
95 static int useinput = 1;
96 module_param(useinput, int, 0444);
97 MODULE_PARM_DESC(useinput,
98 		 "set this if you would like sonypi to feed events to the input subsystem");
99 
100 #define SONYPI_DEVICE_MODEL_TYPE1	1
101 #define SONYPI_DEVICE_MODEL_TYPE2	2
102 #define SONYPI_DEVICE_MODEL_TYPE3	3
103 
104 /* type1 models use those */
105 #define SONYPI_IRQ_PORT			0x8034
106 #define SONYPI_IRQ_SHIFT		22
107 #define SONYPI_TYPE1_BASE		0x50
108 #define SONYPI_G10A			(SONYPI_TYPE1_BASE+0x14)
109 #define SONYPI_TYPE1_REGION_SIZE	0x08
110 #define SONYPI_TYPE1_EVTYPE_OFFSET	0x04
111 
112 /* type2 series specifics */
113 #define SONYPI_SIRQ			0x9b
114 #define SONYPI_SLOB			0x9c
115 #define SONYPI_SHIB			0x9d
116 #define SONYPI_TYPE2_REGION_SIZE	0x20
117 #define SONYPI_TYPE2_EVTYPE_OFFSET	0x12
118 
119 /* type3 series specifics */
120 #define SONYPI_TYPE3_BASE		0x40
121 #define SONYPI_TYPE3_GID2		(SONYPI_TYPE3_BASE+0x48) /* 16 bits */
122 #define SONYPI_TYPE3_MISC		(SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
123 #define SONYPI_TYPE3_REGION_SIZE	0x20
124 #define SONYPI_TYPE3_EVTYPE_OFFSET	0x12
125 
126 /* battery / brightness addresses */
127 #define SONYPI_BAT_FLAGS	0x81
128 #define SONYPI_LCD_LIGHT	0x96
129 #define SONYPI_BAT1_PCTRM	0xa0
130 #define SONYPI_BAT1_LEFT	0xa2
131 #define SONYPI_BAT1_MAXRT	0xa4
132 #define SONYPI_BAT2_PCTRM	0xa8
133 #define SONYPI_BAT2_LEFT	0xaa
134 #define SONYPI_BAT2_MAXRT	0xac
135 #define SONYPI_BAT1_MAXTK	0xb0
136 #define SONYPI_BAT1_FULL	0xb2
137 #define SONYPI_BAT2_MAXTK	0xb8
138 #define SONYPI_BAT2_FULL	0xba
139 
140 /* FAN0 information (reverse engineered from ACPI tables) */
141 #define SONYPI_FAN0_STATUS	0x93
142 #define SONYPI_TEMP_STATUS	0xC1
143 
144 /* ioports used for brightness and type2 events */
145 #define SONYPI_DATA_IOPORT	0x62
146 #define SONYPI_CST_IOPORT	0x66
147 
148 /* The set of possible ioports */
149 struct sonypi_ioport_list {
150 	u16	port1;
151 	u16	port2;
152 };
153 
154 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
155 	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
156 	{ 0x1080, 0x1084 },
157 	{ 0x1090, 0x1094 },
158 	{ 0x10a0, 0x10a4 },
159 	{ 0x10b0, 0x10b4 },
160 	{ 0x0, 0x0 }
161 };
162 
163 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
164 	{ 0x1080, 0x1084 },
165 	{ 0x10a0, 0x10a4 },
166 	{ 0x10c0, 0x10c4 },
167 	{ 0x10e0, 0x10e4 },
168 	{ 0x0, 0x0 }
169 };
170 
171 /* same as in type 2 models */
172 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
173 	sonypi_type2_ioport_list;
174 
175 /* The set of possible interrupts */
176 struct sonypi_irq_list {
177 	u16	irq;
178 	u16	bits;
179 };
180 
181 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
182 	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
183 	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
184 	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
185 	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
186 };
187 
188 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
189 	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
190 	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
191 	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
192 	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
193 	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
194 };
195 
196 /* same as in type2 models */
197 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
198 
199 #define SONYPI_CAMERA_BRIGHTNESS		0
200 #define SONYPI_CAMERA_CONTRAST			1
201 #define SONYPI_CAMERA_HUE			2
202 #define SONYPI_CAMERA_COLOR			3
203 #define SONYPI_CAMERA_SHARPNESS			4
204 
205 #define SONYPI_CAMERA_PICTURE			5
206 #define SONYPI_CAMERA_EXPOSURE_MASK		0xC
207 #define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
208 #define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
209 #define SONYPI_CAMERA_MUTE_MASK			0x40
210 
211 /* the rest don't need a loop until not 0xff */
212 #define SONYPI_CAMERA_AGC			6
213 #define SONYPI_CAMERA_AGC_MASK			0x30
214 #define SONYPI_CAMERA_SHUTTER_MASK 		0x7
215 
216 #define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
217 #define SONYPI_CAMERA_CONTROL			0x10
218 
219 #define SONYPI_CAMERA_STATUS 			7
220 #define SONYPI_CAMERA_STATUS_READY 		0x2
221 #define SONYPI_CAMERA_STATUS_POSITION		0x4
222 
223 #define SONYPI_DIRECTION_BACKWARDS 		0x4
224 
225 #define SONYPI_CAMERA_REVISION 			8
226 #define SONYPI_CAMERA_ROMVERSION 		9
227 
228 /* Event masks */
229 #define SONYPI_JOGGER_MASK			0x00000001
230 #define SONYPI_CAPTURE_MASK			0x00000002
231 #define SONYPI_FNKEY_MASK			0x00000004
232 #define SONYPI_BLUETOOTH_MASK			0x00000008
233 #define SONYPI_PKEY_MASK			0x00000010
234 #define SONYPI_BACK_MASK			0x00000020
235 #define SONYPI_HELP_MASK			0x00000040
236 #define SONYPI_LID_MASK				0x00000080
237 #define SONYPI_ZOOM_MASK			0x00000100
238 #define SONYPI_THUMBPHRASE_MASK			0x00000200
239 #define SONYPI_MEYE_MASK			0x00000400
240 #define SONYPI_MEMORYSTICK_MASK			0x00000800
241 #define SONYPI_BATTERY_MASK			0x00001000
242 #define SONYPI_WIRELESS_MASK			0x00002000
243 
244 struct sonypi_event {
245 	u8	data;
246 	u8	event;
247 };
248 
249 /* The set of possible button release events */
250 static struct sonypi_event sonypi_releaseev[] = {
251 	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
252 	{ 0, 0 }
253 };
254 
255 /* The set of possible jogger events  */
256 static struct sonypi_event sonypi_joggerev[] = {
257 	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
258 	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
259 	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
260 	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
261 	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
262 	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
263 	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
264 	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
265 	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
266 	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
267 	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
268 	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
269 	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
270 	{ 0, 0 }
271 };
272 
273 /* The set of possible capture button events */
274 static struct sonypi_event sonypi_captureev[] = {
275 	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
276 	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
277 	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
278 	{ 0, 0 }
279 };
280 
281 /* The set of possible fnkeys events */
282 static struct sonypi_event sonypi_fnkeyev[] = {
283 	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
284 	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
285 	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
286 	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
287 	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
288 	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
289 	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
290 	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
291 	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
292 	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
293 	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
294 	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
295 	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
296 	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
297 	{ 0x21, SONYPI_EVENT_FNKEY_1 },
298 	{ 0x22, SONYPI_EVENT_FNKEY_2 },
299 	{ 0x31, SONYPI_EVENT_FNKEY_D },
300 	{ 0x32, SONYPI_EVENT_FNKEY_E },
301 	{ 0x33, SONYPI_EVENT_FNKEY_F },
302 	{ 0x34, SONYPI_EVENT_FNKEY_S },
303 	{ 0x35, SONYPI_EVENT_FNKEY_B },
304 	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
305 	{ 0, 0 }
306 };
307 
308 /* The set of possible program key events */
309 static struct sonypi_event sonypi_pkeyev[] = {
310 	{ 0x01, SONYPI_EVENT_PKEY_P1 },
311 	{ 0x02, SONYPI_EVENT_PKEY_P2 },
312 	{ 0x04, SONYPI_EVENT_PKEY_P3 },
313 	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
314 	{ 0, 0 }
315 };
316 
317 /* The set of possible bluetooth events */
318 static struct sonypi_event sonypi_blueev[] = {
319 	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
320 	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
321 	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
322 	{ 0, 0 }
323 };
324 
325 /* The set of possible wireless events */
326 static struct sonypi_event sonypi_wlessev[] = {
327 	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
328 	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
329 	{ 0, 0 }
330 };
331 
332 /* The set of possible back button events */
333 static struct sonypi_event sonypi_backev[] = {
334 	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
335 	{ 0, 0 }
336 };
337 
338 /* The set of possible help button events */
339 static struct sonypi_event sonypi_helpev[] = {
340 	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
341 	{ 0, 0 }
342 };
343 
344 
345 /* The set of possible lid events */
346 static struct sonypi_event sonypi_lidev[] = {
347 	{ 0x51, SONYPI_EVENT_LID_CLOSED },
348 	{ 0x50, SONYPI_EVENT_LID_OPENED },
349 	{ 0, 0 }
350 };
351 
352 /* The set of possible zoom events */
353 static struct sonypi_event sonypi_zoomev[] = {
354 	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
355 	{ 0, 0 }
356 };
357 
358 /* The set of possible thumbphrase events */
359 static struct sonypi_event sonypi_thumbphraseev[] = {
360 	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
361 	{ 0, 0 }
362 };
363 
364 /* The set of possible motioneye camera events */
365 static struct sonypi_event sonypi_meyeev[] = {
366 	{ 0x00, SONYPI_EVENT_MEYE_FACE },
367 	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
368 	{ 0, 0 }
369 };
370 
371 /* The set of possible memorystick events */
372 static struct sonypi_event sonypi_memorystickev[] = {
373 	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
374 	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
375 	{ 0, 0 }
376 };
377 
378 /* The set of possible battery events */
379 static struct sonypi_event sonypi_batteryev[] = {
380 	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
381 	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
382 	{ 0, 0 }
383 };
384 
385 static struct sonypi_eventtypes {
386 	int			model;
387 	u8			data;
388 	unsigned long		mask;
389 	struct sonypi_event *	events;
390 } sonypi_eventtypes[] = {
391 	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
392 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
393 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
394 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
395 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
396 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
397 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
398 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
399 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
400 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
401 
402 	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
403 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
404 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
405 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
406 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
407 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
408 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
409 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
410 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
411 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
412 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
413 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
414 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
415 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
416 
417 	{ SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
418 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
419 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
420 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
421 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
422 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
423 	{ 0 }
424 };
425 
426 #define SONYPI_BUF_SIZE	128
427 
428 /* Correspondance table between sonypi events and input layer events */
429 static struct {
430 	int sonypiev;
431 	int inputev;
432 } sonypi_inputkeys[] = {
433 	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
434 	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
435 	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
436 	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
437 	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
438 	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
439 	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
440 	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
441 	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
442 	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
443 	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
444 	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
445 	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
446 	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
447 	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
448 	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
449 	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
450 	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
451 	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
452 	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
453 	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
454 	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
455 	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
456 	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
457 	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
458 	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
459 	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
460 	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
461 	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
462 	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
463 	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
464 	{ 0, 0 },
465 };
466 
467 struct sonypi_keypress {
468 	struct input_dev *dev;
469 	int key;
470 };
471 
472 static struct sonypi_device {
473 	struct pci_dev *dev;
474 	struct platform_device *pdev;
475 	u16 irq;
476 	u16 bits;
477 	u16 ioport1;
478 	u16 ioport2;
479 	u16 region_size;
480 	u16 evtype_offset;
481 	int camera_power;
482 	int bluetooth_power;
483 	struct semaphore lock;
484 	struct kfifo *fifo;
485 	spinlock_t fifo_lock;
486 	wait_queue_head_t fifo_proc_list;
487 	struct fasync_struct *fifo_async;
488 	int open_count;
489 	int model;
490 	struct input_dev *input_jog_dev;
491 	struct input_dev *input_key_dev;
492 	struct work_struct input_work;
493 	struct kfifo *input_fifo;
494 	spinlock_t input_fifo_lock;
495 } sonypi_device;
496 
497 #define ITERATIONS_LONG		10000
498 #define ITERATIONS_SHORT	10
499 
500 #define wait_on_command(quiet, command, iterations) { \
501 	unsigned int n = iterations; \
502 	while (--n && (command)) \
503 		udelay(1); \
504 	if (!n && (verbose || !quiet)) \
505 		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
506 }
507 
508 #ifdef CONFIG_ACPI
509 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
510 #else
511 #define SONYPI_ACPI_ACTIVE 0
512 #endif				/* CONFIG_ACPI */
513 
514 static int sonypi_ec_write(u8 addr, u8 value)
515 {
516 #ifdef CONFIG_ACPI_EC
517 	if (SONYPI_ACPI_ACTIVE)
518 		return ec_write(addr, value);
519 #endif
520 	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
521 	outb_p(0x81, SONYPI_CST_IOPORT);
522 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
523 	outb_p(addr, SONYPI_DATA_IOPORT);
524 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
525 	outb_p(value, SONYPI_DATA_IOPORT);
526 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
527 	return 0;
528 }
529 
530 static int sonypi_ec_read(u8 addr, u8 *value)
531 {
532 #ifdef CONFIG_ACPI_EC
533 	if (SONYPI_ACPI_ACTIVE)
534 		return ec_read(addr, value);
535 #endif
536 	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
537 	outb_p(0x80, SONYPI_CST_IOPORT);
538 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
539 	outb_p(addr, SONYPI_DATA_IOPORT);
540 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
541 	*value = inb_p(SONYPI_DATA_IOPORT);
542 	return 0;
543 }
544 
545 static int ec_read16(u8 addr, u16 *value)
546 {
547 	u8 val_lb, val_hb;
548 	if (sonypi_ec_read(addr, &val_lb))
549 		return -1;
550 	if (sonypi_ec_read(addr + 1, &val_hb))
551 		return -1;
552 	*value = val_lb | (val_hb << 8);
553 	return 0;
554 }
555 
556 /* Initializes the device - this comes from the AML code in the ACPI bios */
557 static void sonypi_type1_srs(void)
558 {
559 	u32 v;
560 
561 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
562 	v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
563 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
564 
565 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
566 	v = (v & 0xFFF0FFFF) |
567 	    (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
568 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
569 
570 	v = inl(SONYPI_IRQ_PORT);
571 	v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
572 	v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
573 	outl(v, SONYPI_IRQ_PORT);
574 
575 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
576 	v = (v & 0xFF1FFFFF) | 0x00C00000;
577 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
578 }
579 
580 static void sonypi_type2_srs(void)
581 {
582 	if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
583 		printk(KERN_WARNING "ec_write failed\n");
584 	if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
585 		printk(KERN_WARNING "ec_write failed\n");
586 	if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
587 		printk(KERN_WARNING "ec_write failed\n");
588 	udelay(10);
589 }
590 
591 static void sonypi_type3_srs(void)
592 {
593 	u16 v16;
594 	u8  v8;
595 
596 	/* This model type uses the same initialiazation of
597 	 * the embedded controller as the type2 models. */
598 	sonypi_type2_srs();
599 
600 	/* Initialization of PCI config space of the LPC interface bridge. */
601 	v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
602 	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
603 	pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
604 	v8 = (v8 & 0xCF) | 0x10;
605 	pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
606 }
607 
608 /* Disables the device - this comes from the AML code in the ACPI bios */
609 static void sonypi_type1_dis(void)
610 {
611 	u32 v;
612 
613 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
614 	v = v & 0xFF3FFFFF;
615 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
616 
617 	v = inl(SONYPI_IRQ_PORT);
618 	v |= (0x3 << SONYPI_IRQ_SHIFT);
619 	outl(v, SONYPI_IRQ_PORT);
620 }
621 
622 static void sonypi_type2_dis(void)
623 {
624 	if (sonypi_ec_write(SONYPI_SHIB, 0))
625 		printk(KERN_WARNING "ec_write failed\n");
626 	if (sonypi_ec_write(SONYPI_SLOB, 0))
627 		printk(KERN_WARNING "ec_write failed\n");
628 	if (sonypi_ec_write(SONYPI_SIRQ, 0))
629 		printk(KERN_WARNING "ec_write failed\n");
630 }
631 
632 static void sonypi_type3_dis(void)
633 {
634 	sonypi_type2_dis();
635 	udelay(10);
636 	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
637 }
638 
639 static u8 sonypi_call1(u8 dev)
640 {
641 	u8 v1, v2;
642 
643 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
644 	outb(dev, sonypi_device.ioport2);
645 	v1 = inb_p(sonypi_device.ioport2);
646 	v2 = inb_p(sonypi_device.ioport1);
647 	return v2;
648 }
649 
650 static u8 sonypi_call2(u8 dev, u8 fn)
651 {
652 	u8 v1;
653 
654 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
655 	outb(dev, sonypi_device.ioport2);
656 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
657 	outb(fn, sonypi_device.ioport1);
658 	v1 = inb_p(sonypi_device.ioport1);
659 	return v1;
660 }
661 
662 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
663 {
664 	u8 v1;
665 
666 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
667 	outb(dev, sonypi_device.ioport2);
668 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
669 	outb(fn, sonypi_device.ioport1);
670 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
671 	outb(v, sonypi_device.ioport1);
672 	v1 = inb_p(sonypi_device.ioport1);
673 	return v1;
674 }
675 
676 #if 0
677 /* Get brightness, hue etc. Unreliable... */
678 static u8 sonypi_read(u8 fn)
679 {
680 	u8 v1, v2;
681 	int n = 100;
682 
683 	while (n--) {
684 		v1 = sonypi_call2(0x8f, fn);
685 		v2 = sonypi_call2(0x8f, fn);
686 		if (v1 == v2 && v1 != 0xff)
687 			return v1;
688 	}
689 	return 0xff;
690 }
691 #endif
692 
693 /* Set brightness, hue etc */
694 static void sonypi_set(u8 fn, u8 v)
695 {
696 	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
697 }
698 
699 /* Tests if the camera is ready */
700 static int sonypi_camera_ready(void)
701 {
702 	u8 v;
703 
704 	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
705 	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
706 }
707 
708 /* Turns the camera off */
709 static void sonypi_camera_off(void)
710 {
711 	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
712 
713 	if (!sonypi_device.camera_power)
714 		return;
715 
716 	sonypi_call2(0x91, 0);
717 	sonypi_device.camera_power = 0;
718 }
719 
720 /* Turns the camera on */
721 static void sonypi_camera_on(void)
722 {
723 	int i, j;
724 
725 	if (sonypi_device.camera_power)
726 		return;
727 
728 	for (j = 5; j > 0; j--) {
729 
730 		while (sonypi_call2(0x91, 0x1))
731 			msleep(10);
732 		sonypi_call1(0x93);
733 
734 		for (i = 400; i > 0; i--) {
735 			if (sonypi_camera_ready())
736 				break;
737 			msleep(10);
738 		}
739 		if (i)
740 			break;
741 	}
742 
743 	if (j == 0) {
744 		printk(KERN_WARNING "sonypi: failed to power on camera\n");
745 		return;
746 	}
747 
748 	sonypi_set(0x10, 0x5a);
749 	sonypi_device.camera_power = 1;
750 }
751 
752 /* sets the bluetooth subsystem power state */
753 static void sonypi_setbluetoothpower(u8 state)
754 {
755 	state = !!state;
756 
757 	if (sonypi_device.bluetooth_power == state)
758 		return;
759 
760 	sonypi_call2(0x96, state);
761 	sonypi_call1(0x82);
762 	sonypi_device.bluetooth_power = state;
763 }
764 
765 static void input_keyrelease(void *data)
766 {
767 	struct sonypi_keypress kp;
768 
769 	while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
770 			 sizeof(kp)) == sizeof(kp)) {
771 		msleep(10);
772 		input_report_key(kp.dev, kp.key, 0);
773 		input_sync(kp.dev);
774 	}
775 }
776 
777 static void sonypi_report_input_event(u8 event)
778 {
779 	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
780 	struct input_dev *key_dev = sonypi_device.input_key_dev;
781 	struct sonypi_keypress kp = { NULL };
782 	int i;
783 
784 	switch (event) {
785 	case SONYPI_EVENT_JOGDIAL_UP:
786 	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
787 		input_report_rel(jog_dev, REL_WHEEL, 1);
788 		input_sync(jog_dev);
789 		break;
790 
791 	case SONYPI_EVENT_JOGDIAL_DOWN:
792 	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
793 		input_report_rel(jog_dev, REL_WHEEL, -1);
794 		input_sync(jog_dev);
795 		break;
796 
797 	case SONYPI_EVENT_JOGDIAL_PRESSED:
798 		kp.key = BTN_MIDDLE;
799 		kp.dev = jog_dev;
800 		break;
801 
802 	case SONYPI_EVENT_FNKEY_RELEASED:
803 		/* Nothing, not all VAIOs generate this event */
804 		break;
805 
806 	default:
807 		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
808 			if (event == sonypi_inputkeys[i].sonypiev) {
809 				kp.dev = key_dev;
810 				kp.key = sonypi_inputkeys[i].inputev;
811 				break;
812 			}
813 		break;
814 	}
815 
816 	if (kp.dev) {
817 		input_report_key(kp.dev, kp.key, 1);
818 		input_sync(kp.dev);
819 		kfifo_put(sonypi_device.input_fifo,
820 			  (unsigned char *)&kp, sizeof(kp));
821 		schedule_work(&sonypi_device.input_work);
822 	}
823 }
824 
825 /* Interrupt handler: some event is available */
826 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
827 {
828 	u8 v1, v2, event = 0;
829 	int i, j;
830 
831 	v1 = inb_p(sonypi_device.ioport1);
832 	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
833 
834 	for (i = 0; sonypi_eventtypes[i].model; i++) {
835 		if (sonypi_device.model != sonypi_eventtypes[i].model)
836 			continue;
837 		if ((v2 & sonypi_eventtypes[i].data) !=
838 		    sonypi_eventtypes[i].data)
839 			continue;
840 		if (!(mask & sonypi_eventtypes[i].mask))
841 			continue;
842 		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
843 			if (v1 == sonypi_eventtypes[i].events[j].data) {
844 				event = sonypi_eventtypes[i].events[j].event;
845 				goto found;
846 			}
847 		}
848 	}
849 
850 	if (verbose)
851 		printk(KERN_WARNING
852 		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
853 		       v1, v2);
854 	/* We need to return IRQ_HANDLED here because there *are*
855 	 * events belonging to the sonypi device we don't know about,
856 	 * but we still don't want those to pollute the logs... */
857 	return IRQ_HANDLED;
858 
859 found:
860 	if (verbose > 1)
861 		printk(KERN_INFO
862 		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
863 
864 	if (useinput)
865 		sonypi_report_input_event(event);
866 
867 	kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
868 	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
869 	wake_up_interruptible(&sonypi_device.fifo_proc_list);
870 
871 	return IRQ_HANDLED;
872 }
873 
874 /* External camera command (exported to the motion eye v4l driver) */
875 int sonypi_camera_command(int command, u8 value)
876 {
877 	if (!camera)
878 		return -EIO;
879 
880 	down(&sonypi_device.lock);
881 
882 	switch (command) {
883 	case SONYPI_COMMAND_SETCAMERA:
884 		if (value)
885 			sonypi_camera_on();
886 		else
887 			sonypi_camera_off();
888 		break;
889 	case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
890 		sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
891 		break;
892 	case SONYPI_COMMAND_SETCAMERACONTRAST:
893 		sonypi_set(SONYPI_CAMERA_CONTRAST, value);
894 		break;
895 	case SONYPI_COMMAND_SETCAMERAHUE:
896 		sonypi_set(SONYPI_CAMERA_HUE, value);
897 		break;
898 	case SONYPI_COMMAND_SETCAMERACOLOR:
899 		sonypi_set(SONYPI_CAMERA_COLOR, value);
900 		break;
901 	case SONYPI_COMMAND_SETCAMERASHARPNESS:
902 		sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
903 		break;
904 	case SONYPI_COMMAND_SETCAMERAPICTURE:
905 		sonypi_set(SONYPI_CAMERA_PICTURE, value);
906 		break;
907 	case SONYPI_COMMAND_SETCAMERAAGC:
908 		sonypi_set(SONYPI_CAMERA_AGC, value);
909 		break;
910 	default:
911 		printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
912 		       command);
913 		break;
914 	}
915 	up(&sonypi_device.lock);
916 	return 0;
917 }
918 
919 EXPORT_SYMBOL(sonypi_camera_command);
920 
921 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
922 {
923 	int retval;
924 
925 	retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
926 	if (retval < 0)
927 		return retval;
928 	return 0;
929 }
930 
931 static int sonypi_misc_release(struct inode *inode, struct file *file)
932 {
933 	sonypi_misc_fasync(-1, file, 0);
934 	down(&sonypi_device.lock);
935 	sonypi_device.open_count--;
936 	up(&sonypi_device.lock);
937 	return 0;
938 }
939 
940 static int sonypi_misc_open(struct inode *inode, struct file *file)
941 {
942 	down(&sonypi_device.lock);
943 	/* Flush input queue on first open */
944 	if (!sonypi_device.open_count)
945 		kfifo_reset(sonypi_device.fifo);
946 	sonypi_device.open_count++;
947 	up(&sonypi_device.lock);
948 	return 0;
949 }
950 
951 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
952 				size_t count, loff_t *pos)
953 {
954 	ssize_t ret;
955 	unsigned char c;
956 
957 	if ((kfifo_len(sonypi_device.fifo) == 0) &&
958 	    (file->f_flags & O_NONBLOCK))
959 		return -EAGAIN;
960 
961 	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
962 				       kfifo_len(sonypi_device.fifo) != 0);
963 	if (ret)
964 		return ret;
965 
966 	while (ret < count &&
967 	       (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
968 		if (put_user(c, buf++))
969 			return -EFAULT;
970 		ret++;
971 	}
972 
973 	if (ret > 0) {
974 		struct inode *inode = file->f_dentry->d_inode;
975 		inode->i_atime = current_fs_time(inode->i_sb);
976 	}
977 
978 	return ret;
979 }
980 
981 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
982 {
983 	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
984 	if (kfifo_len(sonypi_device.fifo))
985 		return POLLIN | POLLRDNORM;
986 	return 0;
987 }
988 
989 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
990 			     unsigned int cmd, unsigned long arg)
991 {
992 	int ret = 0;
993 	void __user *argp = (void __user *)arg;
994 	u8 val8;
995 	u16 val16;
996 
997 	down(&sonypi_device.lock);
998 	switch (cmd) {
999 	case SONYPI_IOCGBRT:
1000 		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1001 			ret = -EIO;
1002 			break;
1003 		}
1004 		if (copy_to_user(argp, &val8, sizeof(val8)))
1005 			ret = -EFAULT;
1006 		break;
1007 	case SONYPI_IOCSBRT:
1008 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1009 			ret = -EFAULT;
1010 			break;
1011 		}
1012 		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1013 			ret = -EIO;
1014 		break;
1015 	case SONYPI_IOCGBAT1CAP:
1016 		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1017 			ret = -EIO;
1018 			break;
1019 		}
1020 		if (copy_to_user(argp, &val16, sizeof(val16)))
1021 			ret = -EFAULT;
1022 		break;
1023 	case SONYPI_IOCGBAT1REM:
1024 		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1025 			ret = -EIO;
1026 			break;
1027 		}
1028 		if (copy_to_user(argp, &val16, sizeof(val16)))
1029 			ret = -EFAULT;
1030 		break;
1031 	case SONYPI_IOCGBAT2CAP:
1032 		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1033 			ret = -EIO;
1034 			break;
1035 		}
1036 		if (copy_to_user(argp, &val16, sizeof(val16)))
1037 			ret = -EFAULT;
1038 		break;
1039 	case SONYPI_IOCGBAT2REM:
1040 		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1041 			ret = -EIO;
1042 			break;
1043 		}
1044 		if (copy_to_user(argp, &val16, sizeof(val16)))
1045 			ret = -EFAULT;
1046 		break;
1047 	case SONYPI_IOCGBATFLAGS:
1048 		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1049 			ret = -EIO;
1050 			break;
1051 		}
1052 		val8 &= 0x07;
1053 		if (copy_to_user(argp, &val8, sizeof(val8)))
1054 			ret = -EFAULT;
1055 		break;
1056 	case SONYPI_IOCGBLUE:
1057 		val8 = sonypi_device.bluetooth_power;
1058 		if (copy_to_user(argp, &val8, sizeof(val8)))
1059 			ret = -EFAULT;
1060 		break;
1061 	case SONYPI_IOCSBLUE:
1062 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1063 			ret = -EFAULT;
1064 			break;
1065 		}
1066 		sonypi_setbluetoothpower(val8);
1067 		break;
1068 	/* FAN Controls */
1069 	case SONYPI_IOCGFAN:
1070 		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1071 			ret = -EIO;
1072 			break;
1073 		}
1074 		if (copy_to_user(argp, &val8, sizeof(val8)))
1075 			ret = -EFAULT;
1076 		break;
1077 	case SONYPI_IOCSFAN:
1078 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1079 			ret = -EFAULT;
1080 			break;
1081 		}
1082 		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1083 			ret = -EIO;
1084 		break;
1085 	/* GET Temperature (useful under APM) */
1086 	case SONYPI_IOCGTEMP:
1087 		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1088 			ret = -EIO;
1089 			break;
1090 		}
1091 		if (copy_to_user(argp, &val8, sizeof(val8)))
1092 			ret = -EFAULT;
1093 		break;
1094 	default:
1095 		ret = -EINVAL;
1096 	}
1097 	up(&sonypi_device.lock);
1098 	return ret;
1099 }
1100 
1101 static struct file_operations sonypi_misc_fops = {
1102 	.owner		= THIS_MODULE,
1103 	.read		= sonypi_misc_read,
1104 	.poll		= sonypi_misc_poll,
1105 	.open		= sonypi_misc_open,
1106 	.release	= sonypi_misc_release,
1107 	.fasync		= sonypi_misc_fasync,
1108 	.ioctl		= sonypi_misc_ioctl,
1109 };
1110 
1111 static struct miscdevice sonypi_misc_device = {
1112 	.minor		= MISC_DYNAMIC_MINOR,
1113 	.name		= "sonypi",
1114 	.fops		= &sonypi_misc_fops,
1115 };
1116 
1117 static void sonypi_enable(unsigned int camera_on)
1118 {
1119 	switch (sonypi_device.model) {
1120 	case SONYPI_DEVICE_MODEL_TYPE1:
1121 		sonypi_type1_srs();
1122 		break;
1123 	case SONYPI_DEVICE_MODEL_TYPE2:
1124 		sonypi_type2_srs();
1125 		break;
1126 	case SONYPI_DEVICE_MODEL_TYPE3:
1127 		sonypi_type3_srs();
1128 		break;
1129 	}
1130 
1131 	sonypi_call1(0x82);
1132 	sonypi_call2(0x81, 0xff);
1133 	sonypi_call1(compat ? 0x92 : 0x82);
1134 
1135 	/* Enable ACPI mode to get Fn key events */
1136 	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1137 		outb(0xf0, 0xb2);
1138 
1139 	if (camera && camera_on)
1140 		sonypi_camera_on();
1141 }
1142 
1143 static int sonypi_disable(void)
1144 {
1145 	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1146 	if (camera)
1147 		sonypi_camera_off();
1148 
1149 	/* disable ACPI mode */
1150 	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1151 		outb(0xf1, 0xb2);
1152 
1153 	switch (sonypi_device.model) {
1154 	case SONYPI_DEVICE_MODEL_TYPE1:
1155 		sonypi_type1_dis();
1156 		break;
1157 	case SONYPI_DEVICE_MODEL_TYPE2:
1158 		sonypi_type2_dis();
1159 		break;
1160 	case SONYPI_DEVICE_MODEL_TYPE3:
1161 		sonypi_type3_dis();
1162 		break;
1163 	}
1164 
1165 	return 0;
1166 }
1167 
1168 #ifdef CONFIG_PM
1169 static int old_camera_power;
1170 
1171 static int sonypi_suspend(struct device *dev, pm_message_t state)
1172 {
1173 	old_camera_power = sonypi_device.camera_power;
1174 	sonypi_disable();
1175 
1176 	return 0;
1177 }
1178 
1179 static int sonypi_resume(struct device *dev)
1180 {
1181 	sonypi_enable(old_camera_power);
1182 	return 0;
1183 }
1184 #endif
1185 
1186 static void sonypi_shutdown(struct device *dev)
1187 {
1188 	sonypi_disable();
1189 }
1190 
1191 static struct device_driver sonypi_driver = {
1192 	.name		= "sonypi",
1193 	.bus		= &platform_bus_type,
1194 #ifdef CONFIG_PM
1195 	.suspend	= sonypi_suspend,
1196 	.resume		= sonypi_resume,
1197 #endif
1198 	.shutdown	= sonypi_shutdown,
1199 };
1200 
1201 static int __devinit sonypi_create_input_devices(void)
1202 {
1203 	struct input_dev *jog_dev;
1204 	struct input_dev *key_dev;
1205 	int i;
1206 
1207 	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1208 	if (!jog_dev)
1209 		return -ENOMEM;
1210 
1211 	jog_dev->name = "Sony Vaio Jogdial";
1212 	jog_dev->id.bustype = BUS_ISA;
1213 	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1214 
1215 	jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1216 	jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1217 	jog_dev->relbit[0] = BIT(REL_WHEEL);
1218 
1219 	sonypi_device.input_key_dev = key_dev = input_allocate_device();
1220 	if (!key_dev) {
1221 		input_free_device(jog_dev);
1222 		sonypi_device.input_jog_dev = NULL;
1223 		return -ENOMEM;
1224 	}
1225 
1226 	key_dev->name = "Sony Vaio Keys";
1227 	key_dev->id.bustype = BUS_ISA;
1228 	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1229 
1230 	/* Initialize the Input Drivers: special keys */
1231 	key_dev->evbit[0] = BIT(EV_KEY);
1232 	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1233 		if (sonypi_inputkeys[i].inputev)
1234 			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1235 
1236 	input_register_device(jog_dev);
1237 	input_register_device(key_dev);
1238 
1239 	return 0;
1240 }
1241 
1242 static int __devinit sonypi_probe(void)
1243 {
1244 	int i, ret;
1245 	struct sonypi_ioport_list *ioport_list;
1246 	struct sonypi_irq_list *irq_list;
1247 	struct pci_dev *pcidev;
1248 
1249 	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1250 				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1251 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1252 	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1253 					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1254 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1255 	else
1256 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1257 
1258 	sonypi_device.dev = pcidev;
1259 
1260 	spin_lock_init(&sonypi_device.fifo_lock);
1261 	sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1262 					 &sonypi_device.fifo_lock);
1263 	if (IS_ERR(sonypi_device.fifo)) {
1264 		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1265 		ret = PTR_ERR(sonypi_device.fifo);
1266 		goto out_fifo;
1267 	}
1268 
1269 	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1270 	init_MUTEX(&sonypi_device.lock);
1271 	sonypi_device.bluetooth_power = -1;
1272 
1273 	if (pcidev && pci_enable_device(pcidev)) {
1274 		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1275 		ret = -EIO;
1276 		goto out_pcienable;
1277 	}
1278 
1279 	if (minor != -1)
1280 		sonypi_misc_device.minor = minor;
1281 	if ((ret = misc_register(&sonypi_misc_device))) {
1282 		printk(KERN_ERR "sonypi: misc_register failed\n");
1283 		goto out_miscreg;
1284 	}
1285 
1286 
1287 	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1288 		ioport_list = sonypi_type1_ioport_list;
1289 		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1290 		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1291 		irq_list = sonypi_type1_irq_list;
1292 	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1293 		ioport_list = sonypi_type2_ioport_list;
1294 		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1295 		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1296 		irq_list = sonypi_type2_irq_list;
1297 	} else {
1298 		ioport_list = sonypi_type3_ioport_list;
1299 		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1300 		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1301 		irq_list = sonypi_type3_irq_list;
1302 	}
1303 
1304 	for (i = 0; ioport_list[i].port1; i++) {
1305 		if (request_region(ioport_list[i].port1,
1306 				   sonypi_device.region_size,
1307 				   "Sony Programable I/O Device")) {
1308 			/* get the ioport */
1309 			sonypi_device.ioport1 = ioport_list[i].port1;
1310 			sonypi_device.ioport2 = ioport_list[i].port2;
1311 			break;
1312 		}
1313 	}
1314 	if (!sonypi_device.ioport1) {
1315 		printk(KERN_ERR "sonypi: request_region failed\n");
1316 		ret = -ENODEV;
1317 		goto out_reqreg;
1318 	}
1319 
1320 	for (i = 0; irq_list[i].irq; i++) {
1321 
1322 		sonypi_device.irq = irq_list[i].irq;
1323 		sonypi_device.bits = irq_list[i].bits;
1324 
1325 		if (!request_irq(sonypi_device.irq, sonypi_irq,
1326 				 SA_SHIRQ, "sonypi", sonypi_irq))
1327 			break;
1328 	}
1329 
1330 	if (!irq_list[i].irq) {
1331 		printk(KERN_ERR "sonypi: request_irq failed\n");
1332 		ret = -ENODEV;
1333 		goto out_reqirq;
1334 	}
1335 
1336 	if (useinput) {
1337 
1338 		ret = sonypi_create_input_devices();
1339 		if (ret)
1340 			goto out_inputdevices;
1341 
1342 		spin_lock_init(&sonypi_device.input_fifo_lock);
1343 		sonypi_device.input_fifo =
1344 			kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1345 				    &sonypi_device.input_fifo_lock);
1346 		if (IS_ERR(sonypi_device.input_fifo)) {
1347 			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1348 			ret = PTR_ERR(sonypi_device.input_fifo);
1349 			goto out_infifo;
1350 		}
1351 
1352 		INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1353 	}
1354 
1355 	sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1356 							     NULL, 0);
1357 	if (IS_ERR(sonypi_device.pdev)) {
1358 		ret = PTR_ERR(sonypi_device.pdev);
1359 		goto out_platformdev;
1360 	}
1361 
1362 	sonypi_enable(0);
1363 
1364 	printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1365 	       "v%s.\n", SONYPI_DRIVER_VERSION);
1366 	printk(KERN_INFO "sonypi: detected type%d model, "
1367 	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1368 	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1369 	       sonypi_device.model,
1370 	       verbose,
1371 	       fnkeyinit ? "on" : "off",
1372 	       camera ? "on" : "off",
1373 	       compat ? "on" : "off",
1374 	       mask,
1375 	       useinput ? "on" : "off",
1376 	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1377 	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1378 	       sonypi_device.irq,
1379 	       sonypi_device.ioport1, sonypi_device.ioport2);
1380 
1381 	if (minor == -1)
1382 		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1383 		       sonypi_misc_device.minor);
1384 
1385 	return 0;
1386 
1387 out_platformdev:
1388 	kfifo_free(sonypi_device.input_fifo);
1389 out_infifo:
1390 	input_unregister_device(sonypi_device.input_key_dev);
1391 	input_unregister_device(sonypi_device.input_jog_dev);
1392 out_inputdevices:
1393 	free_irq(sonypi_device.irq, sonypi_irq);
1394 out_reqirq:
1395 	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1396 out_reqreg:
1397 	misc_deregister(&sonypi_misc_device);
1398 out_miscreg:
1399 	if (pcidev)
1400 		pci_disable_device(pcidev);
1401 out_pcienable:
1402 	kfifo_free(sonypi_device.fifo);
1403 out_fifo:
1404 	pci_dev_put(sonypi_device.dev);
1405 	return ret;
1406 }
1407 
1408 static void __devexit sonypi_remove(void)
1409 {
1410 	sonypi_disable();
1411 
1412 	synchronize_sched();  /* Allow sonypi interrupt to complete. */
1413 	flush_scheduled_work();
1414 
1415 	platform_device_unregister(sonypi_device.pdev);
1416 
1417 	if (useinput) {
1418 		input_unregister_device(sonypi_device.input_key_dev);
1419 		input_unregister_device(sonypi_device.input_jog_dev);
1420 		kfifo_free(sonypi_device.input_fifo);
1421 	}
1422 
1423 	free_irq(sonypi_device.irq, sonypi_irq);
1424 	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1425 	misc_deregister(&sonypi_misc_device);
1426 	if (sonypi_device.dev)
1427 		pci_disable_device(sonypi_device.dev);
1428 	kfifo_free(sonypi_device.fifo);
1429 	pci_dev_put(sonypi_device.dev);
1430 	printk(KERN_INFO "sonypi: removed.\n");
1431 }
1432 
1433 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1434 	{
1435 		.ident = "Sony Vaio",
1436 		.matches = {
1437 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1438 			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1439 		},
1440 	},
1441 	{
1442 		.ident = "Sony Vaio",
1443 		.matches = {
1444 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1445 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1446 		},
1447 	},
1448 	{ }
1449 };
1450 
1451 static int __init sonypi_init(void)
1452 {
1453 	int ret;
1454 
1455 	if (!dmi_check_system(sonypi_dmi_table))
1456 		return -ENODEV;
1457 
1458 	ret = driver_register(&sonypi_driver);
1459 	if (ret)
1460 		return ret;
1461 
1462 	ret = sonypi_probe();
1463 	if (ret)
1464 		driver_unregister(&sonypi_driver);
1465 
1466 	return ret;
1467 }
1468 
1469 static void __exit sonypi_exit(void)
1470 {
1471 	driver_unregister(&sonypi_driver);
1472 	sonypi_remove();
1473 }
1474 
1475 module_init(sonypi_init);
1476 module_exit(sonypi_exit);
1477