xref: /openbmc/linux/drivers/char/sonypi.c (revision 7fe2f639)
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 Alcôve <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 Programmable 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 Programmable 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);
1570