xref: /openbmc/linux/drivers/char/sonypi.c (revision 64c70b1c)
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 Alc�ve <www.alcove.com>
11  *
12  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
13  *
14  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
15  *
16  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
17  *
18  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
19  *
20  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
21  *
22  * This program is free software; you can redistribute it and/or modify
23  * it under the terms of the GNU General Public License as published by
24  * the Free Software Foundation; either version 2 of the License, or
25  * (at your option) any later version.
26  *
27  * This program is distributed in the hope that it will be useful,
28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
30  * GNU General Public License for more details.
31  *
32  * You should have received a copy of the GNU General Public License
33  * along with this program; if not, write to the Free Software
34  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
35  *
36  */
37 
38 #include <linux/module.h>
39 #include <linux/input.h>
40 #include <linux/pci.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 static int check_ioport = 1;
101 module_param(check_ioport, int, 0444);
102 MODULE_PARM_DESC(check_ioport,
103 		 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
104 
105 #define SONYPI_DEVICE_MODEL_TYPE1	1
106 #define SONYPI_DEVICE_MODEL_TYPE2	2
107 #define SONYPI_DEVICE_MODEL_TYPE3	3
108 
109 /* type1 models use those */
110 #define SONYPI_IRQ_PORT			0x8034
111 #define SONYPI_IRQ_SHIFT		22
112 #define SONYPI_TYPE1_BASE		0x50
113 #define SONYPI_G10A			(SONYPI_TYPE1_BASE+0x14)
114 #define SONYPI_TYPE1_REGION_SIZE	0x08
115 #define SONYPI_TYPE1_EVTYPE_OFFSET	0x04
116 
117 /* type2 series specifics */
118 #define SONYPI_SIRQ			0x9b
119 #define SONYPI_SLOB			0x9c
120 #define SONYPI_SHIB			0x9d
121 #define SONYPI_TYPE2_REGION_SIZE	0x20
122 #define SONYPI_TYPE2_EVTYPE_OFFSET	0x12
123 
124 /* type3 series specifics */
125 #define SONYPI_TYPE3_BASE		0x40
126 #define SONYPI_TYPE3_GID2		(SONYPI_TYPE3_BASE+0x48) /* 16 bits */
127 #define SONYPI_TYPE3_MISC		(SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
128 #define SONYPI_TYPE3_REGION_SIZE	0x20
129 #define SONYPI_TYPE3_EVTYPE_OFFSET	0x12
130 
131 /* battery / brightness addresses */
132 #define SONYPI_BAT_FLAGS	0x81
133 #define SONYPI_LCD_LIGHT	0x96
134 #define SONYPI_BAT1_PCTRM	0xa0
135 #define SONYPI_BAT1_LEFT	0xa2
136 #define SONYPI_BAT1_MAXRT	0xa4
137 #define SONYPI_BAT2_PCTRM	0xa8
138 #define SONYPI_BAT2_LEFT	0xaa
139 #define SONYPI_BAT2_MAXRT	0xac
140 #define SONYPI_BAT1_MAXTK	0xb0
141 #define SONYPI_BAT1_FULL	0xb2
142 #define SONYPI_BAT2_MAXTK	0xb8
143 #define SONYPI_BAT2_FULL	0xba
144 
145 /* FAN0 information (reverse engineered from ACPI tables) */
146 #define SONYPI_FAN0_STATUS	0x93
147 #define SONYPI_TEMP_STATUS	0xC1
148 
149 /* ioports used for brightness and type2 events */
150 #define SONYPI_DATA_IOPORT	0x62
151 #define SONYPI_CST_IOPORT	0x66
152 
153 /* The set of possible ioports */
154 struct sonypi_ioport_list {
155 	u16	port1;
156 	u16	port2;
157 };
158 
159 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
160 	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
161 	{ 0x1080, 0x1084 },
162 	{ 0x1090, 0x1094 },
163 	{ 0x10a0, 0x10a4 },
164 	{ 0x10b0, 0x10b4 },
165 	{ 0x0, 0x0 }
166 };
167 
168 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
169 	{ 0x1080, 0x1084 },
170 	{ 0x10a0, 0x10a4 },
171 	{ 0x10c0, 0x10c4 },
172 	{ 0x10e0, 0x10e4 },
173 	{ 0x0, 0x0 }
174 };
175 
176 /* same as in type 2 models */
177 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
178 	sonypi_type2_ioport_list;
179 
180 /* The set of possible interrupts */
181 struct sonypi_irq_list {
182 	u16	irq;
183 	u16	bits;
184 };
185 
186 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
187 	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
188 	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
189 	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
190 	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
191 };
192 
193 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
194 	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
195 	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
196 	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
197 	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
198 	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
199 };
200 
201 /* same as in type2 models */
202 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
203 
204 #define SONYPI_CAMERA_BRIGHTNESS		0
205 #define SONYPI_CAMERA_CONTRAST			1
206 #define SONYPI_CAMERA_HUE			2
207 #define SONYPI_CAMERA_COLOR			3
208 #define SONYPI_CAMERA_SHARPNESS			4
209 
210 #define SONYPI_CAMERA_PICTURE			5
211 #define SONYPI_CAMERA_EXPOSURE_MASK		0xC
212 #define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
213 #define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
214 #define SONYPI_CAMERA_MUTE_MASK			0x40
215 
216 /* the rest don't need a loop until not 0xff */
217 #define SONYPI_CAMERA_AGC			6
218 #define SONYPI_CAMERA_AGC_MASK			0x30
219 #define SONYPI_CAMERA_SHUTTER_MASK 		0x7
220 
221 #define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
222 #define SONYPI_CAMERA_CONTROL			0x10
223 
224 #define SONYPI_CAMERA_STATUS 			7
225 #define SONYPI_CAMERA_STATUS_READY 		0x2
226 #define SONYPI_CAMERA_STATUS_POSITION		0x4
227 
228 #define SONYPI_DIRECTION_BACKWARDS 		0x4
229 
230 #define SONYPI_CAMERA_REVISION 			8
231 #define SONYPI_CAMERA_ROMVERSION 		9
232 
233 /* Event masks */
234 #define SONYPI_JOGGER_MASK			0x00000001
235 #define SONYPI_CAPTURE_MASK			0x00000002
236 #define SONYPI_FNKEY_MASK			0x00000004
237 #define SONYPI_BLUETOOTH_MASK			0x00000008
238 #define SONYPI_PKEY_MASK			0x00000010
239 #define SONYPI_BACK_MASK			0x00000020
240 #define SONYPI_HELP_MASK			0x00000040
241 #define SONYPI_LID_MASK				0x00000080
242 #define SONYPI_ZOOM_MASK			0x00000100
243 #define SONYPI_THUMBPHRASE_MASK			0x00000200
244 #define SONYPI_MEYE_MASK			0x00000400
245 #define SONYPI_MEMORYSTICK_MASK			0x00000800
246 #define SONYPI_BATTERY_MASK			0x00001000
247 #define SONYPI_WIRELESS_MASK			0x00002000
248 
249 struct sonypi_event {
250 	u8	data;
251 	u8	event;
252 };
253 
254 /* The set of possible button release events */
255 static struct sonypi_event sonypi_releaseev[] = {
256 	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
257 	{ 0, 0 }
258 };
259 
260 /* The set of possible jogger events  */
261 static struct sonypi_event sonypi_joggerev[] = {
262 	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
263 	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
264 	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
265 	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
266 	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
267 	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
268 	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
269 	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
270 	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
271 	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
272 	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
273 	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
274 	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
275 	{ 0, 0 }
276 };
277 
278 /* The set of possible capture button events */
279 static struct sonypi_event sonypi_captureev[] = {
280 	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
281 	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
282 	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
283 	{ 0, 0 }
284 };
285 
286 /* The set of possible fnkeys events */
287 static struct sonypi_event sonypi_fnkeyev[] = {
288 	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
289 	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
290 	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
291 	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
292 	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
293 	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
294 	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
295 	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
296 	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
297 	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
298 	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
299 	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
300 	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
301 	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
302 	{ 0x21, SONYPI_EVENT_FNKEY_1 },
303 	{ 0x22, SONYPI_EVENT_FNKEY_2 },
304 	{ 0x31, SONYPI_EVENT_FNKEY_D },
305 	{ 0x32, SONYPI_EVENT_FNKEY_E },
306 	{ 0x33, SONYPI_EVENT_FNKEY_F },
307 	{ 0x34, SONYPI_EVENT_FNKEY_S },
308 	{ 0x35, SONYPI_EVENT_FNKEY_B },
309 	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
310 	{ 0, 0 }
311 };
312 
313 /* The set of possible program key events */
314 static struct sonypi_event sonypi_pkeyev[] = {
315 	{ 0x01, SONYPI_EVENT_PKEY_P1 },
316 	{ 0x02, SONYPI_EVENT_PKEY_P2 },
317 	{ 0x04, SONYPI_EVENT_PKEY_P3 },
318 	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
319 	{ 0, 0 }
320 };
321 
322 /* The set of possible bluetooth events */
323 static struct sonypi_event sonypi_blueev[] = {
324 	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
325 	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
326 	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
327 	{ 0, 0 }
328 };
329 
330 /* The set of possible wireless events */
331 static struct sonypi_event sonypi_wlessev[] = {
332 	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
333 	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
334 	{ 0, 0 }
335 };
336 
337 /* The set of possible back button events */
338 static struct sonypi_event sonypi_backev[] = {
339 	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
340 	{ 0, 0 }
341 };
342 
343 /* The set of possible help button events */
344 static struct sonypi_event sonypi_helpev[] = {
345 	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
346 	{ 0, 0 }
347 };
348 
349 
350 /* The set of possible lid events */
351 static struct sonypi_event sonypi_lidev[] = {
352 	{ 0x51, SONYPI_EVENT_LID_CLOSED },
353 	{ 0x50, SONYPI_EVENT_LID_OPENED },
354 	{ 0, 0 }
355 };
356 
357 /* The set of possible zoom events */
358 static struct sonypi_event sonypi_zoomev[] = {
359 	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
360 	{ 0, 0 }
361 };
362 
363 /* The set of possible thumbphrase events */
364 static struct sonypi_event sonypi_thumbphraseev[] = {
365 	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
366 	{ 0, 0 }
367 };
368 
369 /* The set of possible motioneye camera events */
370 static struct sonypi_event sonypi_meyeev[] = {
371 	{ 0x00, SONYPI_EVENT_MEYE_FACE },
372 	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
373 	{ 0, 0 }
374 };
375 
376 /* The set of possible memorystick events */
377 static struct sonypi_event sonypi_memorystickev[] = {
378 	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
379 	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
380 	{ 0, 0 }
381 };
382 
383 /* The set of possible battery events */
384 static struct sonypi_event sonypi_batteryev[] = {
385 	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
386 	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
387 	{ 0, 0 }
388 };
389 
390 static struct sonypi_eventtypes {
391 	int			model;
392 	u8			data;
393 	unsigned long		mask;
394 	struct sonypi_event *	events;
395 } sonypi_eventtypes[] = {
396 	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
397 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
398 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
399 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
400 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
401 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
402 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
403 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
404 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
405 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
406 
407 	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
408 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
409 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
410 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
411 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
412 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
413 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
414 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
415 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
416 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
417 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
418 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
419 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
420 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
421 
422 	{ SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
423 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
424 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
425 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
426 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
427 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
428 	{ 0 }
429 };
430 
431 #define SONYPI_BUF_SIZE	128
432 
433 /* Correspondance table between sonypi events and input layer events */
434 static struct {
435 	int sonypiev;
436 	int inputev;
437 } sonypi_inputkeys[] = {
438 	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
439 	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
440 	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
441 	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
442 	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
443 	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
444 	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
445 	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
446 	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
447 	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
448 	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
449 	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
450 	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
451 	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
452 	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
453 	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
454 	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
455 	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
456 	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
457 	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
458 	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
459 	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
460 	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
461 	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
462 	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
463 	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
464 	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
465 	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
466 	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
467 	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
468 	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
469 	{ 0, 0 },
470 };
471 
472 struct sonypi_keypress {
473 	struct input_dev *dev;
474 	int key;
475 };
476 
477 static struct sonypi_device {
478 	struct pci_dev *dev;
479 	u16 irq;
480 	u16 bits;
481 	u16 ioport1;
482 	u16 ioport2;
483 	u16 region_size;
484 	u16 evtype_offset;
485 	int camera_power;
486 	int bluetooth_power;
487 	struct mutex lock;
488 	struct kfifo *fifo;
489 	spinlock_t fifo_lock;
490 	wait_queue_head_t fifo_proc_list;
491 	struct fasync_struct *fifo_async;
492 	int open_count;
493 	int model;
494 	struct input_dev *input_jog_dev;
495 	struct input_dev *input_key_dev;
496 	struct work_struct input_work;
497 	struct kfifo *input_fifo;
498 	spinlock_t input_fifo_lock;
499 } sonypi_device;
500 
501 #define ITERATIONS_LONG		10000
502 #define ITERATIONS_SHORT	10
503 
504 #define wait_on_command(quiet, command, iterations) { \
505 	unsigned int n = iterations; \
506 	while (--n && (command)) \
507 		udelay(1); \
508 	if (!n && (verbose || !quiet)) \
509 		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
510 }
511 
512 #ifdef CONFIG_ACPI
513 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
514 #else
515 #define SONYPI_ACPI_ACTIVE 0
516 #endif				/* CONFIG_ACPI */
517 
518 #ifdef CONFIG_ACPI
519 static struct acpi_device *sonypi_acpi_device;
520 static int acpi_driver_registered;
521 #endif
522 
523 static int sonypi_ec_write(u8 addr, u8 value)
524 {
525 #ifdef CONFIG_ACPI_EC
526 	if (SONYPI_ACPI_ACTIVE)
527 		return ec_write(addr, value);
528 #endif
529 	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
530 	outb_p(0x81, SONYPI_CST_IOPORT);
531 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
532 	outb_p(addr, SONYPI_DATA_IOPORT);
533 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
534 	outb_p(value, SONYPI_DATA_IOPORT);
535 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
536 	return 0;
537 }
538 
539 static int sonypi_ec_read(u8 addr, u8 *value)
540 {
541 #ifdef CONFIG_ACPI_EC
542 	if (SONYPI_ACPI_ACTIVE)
543 		return ec_read(addr, value);
544 #endif
545 	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
546 	outb_p(0x80, SONYPI_CST_IOPORT);
547 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
548 	outb_p(addr, SONYPI_DATA_IOPORT);
549 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
550 	*value = inb_p(SONYPI_DATA_IOPORT);
551 	return 0;
552 }
553 
554 static int ec_read16(u8 addr, u16 *value)
555 {
556 	u8 val_lb, val_hb;
557 	if (sonypi_ec_read(addr, &val_lb))
558 		return -1;
559 	if (sonypi_ec_read(addr + 1, &val_hb))
560 		return -1;
561 	*value = val_lb | (val_hb << 8);
562 	return 0;
563 }
564 
565 /* Initializes the device - this comes from the AML code in the ACPI bios */
566 static void sonypi_type1_srs(void)
567 {
568 	u32 v;
569 
570 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
571 	v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
572 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
573 
574 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
575 	v = (v & 0xFFF0FFFF) |
576 	    (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
577 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
578 
579 	v = inl(SONYPI_IRQ_PORT);
580 	v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
581 	v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
582 	outl(v, SONYPI_IRQ_PORT);
583 
584 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
585 	v = (v & 0xFF1FFFFF) | 0x00C00000;
586 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
587 }
588 
589 static void sonypi_type2_srs(void)
590 {
591 	if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
592 		printk(KERN_WARNING "ec_write failed\n");
593 	if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
594 		printk(KERN_WARNING "ec_write failed\n");
595 	if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
596 		printk(KERN_WARNING "ec_write failed\n");
597 	udelay(10);
598 }
599 
600 static void sonypi_type3_srs(void)
601 {
602 	u16 v16;
603 	u8  v8;
604 
605 	/* This model type uses the same initialiazation of
606 	 * the embedded controller as the type2 models. */
607 	sonypi_type2_srs();
608 
609 	/* Initialization of PCI config space of the LPC interface bridge. */
610 	v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
611 	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
612 	pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
613 	v8 = (v8 & 0xCF) | 0x10;
614 	pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
615 }
616 
617 /* Disables the device - this comes from the AML code in the ACPI bios */
618 static void sonypi_type1_dis(void)
619 {
620 	u32 v;
621 
622 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
623 	v = v & 0xFF3FFFFF;
624 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
625 
626 	v = inl(SONYPI_IRQ_PORT);
627 	v |= (0x3 << SONYPI_IRQ_SHIFT);
628 	outl(v, SONYPI_IRQ_PORT);
629 }
630 
631 static void sonypi_type2_dis(void)
632 {
633 	if (sonypi_ec_write(SONYPI_SHIB, 0))
634 		printk(KERN_WARNING "ec_write failed\n");
635 	if (sonypi_ec_write(SONYPI_SLOB, 0))
636 		printk(KERN_WARNING "ec_write failed\n");
637 	if (sonypi_ec_write(SONYPI_SIRQ, 0))
638 		printk(KERN_WARNING "ec_write failed\n");
639 }
640 
641 static void sonypi_type3_dis(void)
642 {
643 	sonypi_type2_dis();
644 	udelay(10);
645 	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
646 }
647 
648 static u8 sonypi_call1(u8 dev)
649 {
650 	u8 v1, v2;
651 
652 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
653 	outb(dev, sonypi_device.ioport2);
654 	v1 = inb_p(sonypi_device.ioport2);
655 	v2 = inb_p(sonypi_device.ioport1);
656 	return v2;
657 }
658 
659 static u8 sonypi_call2(u8 dev, u8 fn)
660 {
661 	u8 v1;
662 
663 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
664 	outb(dev, sonypi_device.ioport2);
665 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
666 	outb(fn, sonypi_device.ioport1);
667 	v1 = inb_p(sonypi_device.ioport1);
668 	return v1;
669 }
670 
671 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
672 {
673 	u8 v1;
674 
675 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
676 	outb(dev, sonypi_device.ioport2);
677 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
678 	outb(fn, sonypi_device.ioport1);
679 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
680 	outb(v, sonypi_device.ioport1);
681 	v1 = inb_p(sonypi_device.ioport1);
682 	return v1;
683 }
684 
685 #if 0
686 /* Get brightness, hue etc. Unreliable... */
687 static u8 sonypi_read(u8 fn)
688 {
689 	u8 v1, v2;
690 	int n = 100;
691 
692 	while (n--) {
693 		v1 = sonypi_call2(0x8f, fn);
694 		v2 = sonypi_call2(0x8f, fn);
695 		if (v1 == v2 && v1 != 0xff)
696 			return v1;
697 	}
698 	return 0xff;
699 }
700 #endif
701 
702 /* Set brightness, hue etc */
703 static void sonypi_set(u8 fn, u8 v)
704 {
705 	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
706 }
707 
708 /* Tests if the camera is ready */
709 static int sonypi_camera_ready(void)
710 {
711 	u8 v;
712 
713 	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
714 	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
715 }
716 
717 /* Turns the camera off */
718 static void sonypi_camera_off(void)
719 {
720 	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
721 
722 	if (!sonypi_device.camera_power)
723 		return;
724 
725 	sonypi_call2(0x91, 0);
726 	sonypi_device.camera_power = 0;
727 }
728 
729 /* Turns the camera on */
730 static void sonypi_camera_on(void)
731 {
732 	int i, j;
733 
734 	if (sonypi_device.camera_power)
735 		return;
736 
737 	for (j = 5; j > 0; j--) {
738 
739 		while (sonypi_call2(0x91, 0x1))
740 			msleep(10);
741 		sonypi_call1(0x93);
742 
743 		for (i = 400; i > 0; i--) {
744 			if (sonypi_camera_ready())
745 				break;
746 			msleep(10);
747 		}
748 		if (i)
749 			break;
750 	}
751 
752 	if (j == 0) {
753 		printk(KERN_WARNING "sonypi: failed to power on camera\n");
754 		return;
755 	}
756 
757 	sonypi_set(0x10, 0x5a);
758 	sonypi_device.camera_power = 1;
759 }
760 
761 /* sets the bluetooth subsystem power state */
762 static void sonypi_setbluetoothpower(u8 state)
763 {
764 	state = !!state;
765 
766 	if (sonypi_device.bluetooth_power == state)
767 		return;
768 
769 	sonypi_call2(0x96, state);
770 	sonypi_call1(0x82);
771 	sonypi_device.bluetooth_power = state;
772 }
773 
774 static void input_keyrelease(struct work_struct *work)
775 {
776 	struct sonypi_keypress kp;
777 
778 	while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
779 			 sizeof(kp)) == sizeof(kp)) {
780 		msleep(10);
781 		input_report_key(kp.dev, kp.key, 0);
782 		input_sync(kp.dev);
783 	}
784 }
785 
786 static void sonypi_report_input_event(u8 event)
787 {
788 	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
789 	struct input_dev *key_dev = sonypi_device.input_key_dev;
790 	struct sonypi_keypress kp = { NULL };
791 	int i;
792 
793 	switch (event) {
794 	case SONYPI_EVENT_JOGDIAL_UP:
795 	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
796 		input_report_rel(jog_dev, REL_WHEEL, 1);
797 		input_sync(jog_dev);
798 		break;
799 
800 	case SONYPI_EVENT_JOGDIAL_DOWN:
801 	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
802 		input_report_rel(jog_dev, REL_WHEEL, -1);
803 		input_sync(jog_dev);
804 		break;
805 
806 	case SONYPI_EVENT_JOGDIAL_PRESSED:
807 		kp.key = BTN_MIDDLE;
808 		kp.dev = jog_dev;
809 		break;
810 
811 	case SONYPI_EVENT_FNKEY_RELEASED:
812 		/* Nothing, not all VAIOs generate this event */
813 		break;
814 
815 	default:
816 		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
817 			if (event == sonypi_inputkeys[i].sonypiev) {
818 				kp.dev = key_dev;
819 				kp.key = sonypi_inputkeys[i].inputev;
820 				break;
821 			}
822 		break;
823 	}
824 
825 	if (kp.dev) {
826 		input_report_key(kp.dev, kp.key, 1);
827 		input_sync(kp.dev);
828 		kfifo_put(sonypi_device.input_fifo,
829 			  (unsigned char *)&kp, sizeof(kp));
830 		schedule_work(&sonypi_device.input_work);
831 	}
832 }
833 
834 /* Interrupt handler: some event is available */
835 static irqreturn_t sonypi_irq(int irq, void *dev_id)
836 {
837 	u8 v1, v2, event = 0;
838 	int i, j;
839 
840 	v1 = inb_p(sonypi_device.ioport1);
841 	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
842 
843 	for (i = 0; sonypi_eventtypes[i].model; i++) {
844 		if (sonypi_device.model != sonypi_eventtypes[i].model)
845 			continue;
846 		if ((v2 & sonypi_eventtypes[i].data) !=
847 		    sonypi_eventtypes[i].data)
848 			continue;
849 		if (!(mask & sonypi_eventtypes[i].mask))
850 			continue;
851 		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
852 			if (v1 == sonypi_eventtypes[i].events[j].data) {
853 				event = sonypi_eventtypes[i].events[j].event;
854 				goto found;
855 			}
856 		}
857 	}
858 
859 	if (verbose)
860 		printk(KERN_WARNING
861 		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
862 		       v1, v2);
863 	/* We need to return IRQ_HANDLED here because there *are*
864 	 * events belonging to the sonypi device we don't know about,
865 	 * but we still don't want those to pollute the logs... */
866 	return IRQ_HANDLED;
867 
868 found:
869 	if (verbose > 1)
870 		printk(KERN_INFO
871 		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
872 
873 	if (useinput)
874 		sonypi_report_input_event(event);
875 
876 #ifdef CONFIG_ACPI
877 	if (sonypi_acpi_device)
878 		acpi_bus_generate_event(sonypi_acpi_device, 1, event);
879 #endif
880 
881 	kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
882 	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
883 	wake_up_interruptible(&sonypi_device.fifo_proc_list);
884 
885 	return IRQ_HANDLED;
886 }
887 
888 /* External camera command (exported to the motion eye v4l driver) */
889 int sonypi_camera_command(int command, u8 value)
890 {
891 	if (!camera)
892 		return -EIO;
893 
894 	mutex_lock(&sonypi_device.lock);
895 
896 	switch (command) {
897 	case SONYPI_COMMAND_SETCAMERA:
898 		if (value)
899 			sonypi_camera_on();
900 		else
901 			sonypi_camera_off();
902 		break;
903 	case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
904 		sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
905 		break;
906 	case SONYPI_COMMAND_SETCAMERACONTRAST:
907 		sonypi_set(SONYPI_CAMERA_CONTRAST, value);
908 		break;
909 	case SONYPI_COMMAND_SETCAMERAHUE:
910 		sonypi_set(SONYPI_CAMERA_HUE, value);
911 		break;
912 	case SONYPI_COMMAND_SETCAMERACOLOR:
913 		sonypi_set(SONYPI_CAMERA_COLOR, value);
914 		break;
915 	case SONYPI_COMMAND_SETCAMERASHARPNESS:
916 		sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
917 		break;
918 	case SONYPI_COMMAND_SETCAMERAPICTURE:
919 		sonypi_set(SONYPI_CAMERA_PICTURE, value);
920 		break;
921 	case SONYPI_COMMAND_SETCAMERAAGC:
922 		sonypi_set(SONYPI_CAMERA_AGC, value);
923 		break;
924 	default:
925 		printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
926 		       command);
927 		break;
928 	}
929 	mutex_unlock(&sonypi_device.lock);
930 	return 0;
931 }
932 
933 EXPORT_SYMBOL(sonypi_camera_command);
934 
935 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
936 {
937 	int retval;
938 
939 	retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
940 	if (retval < 0)
941 		return retval;
942 	return 0;
943 }
944 
945 static int sonypi_misc_release(struct inode *inode, struct file *file)
946 {
947 	sonypi_misc_fasync(-1, file, 0);
948 	mutex_lock(&sonypi_device.lock);
949 	sonypi_device.open_count--;
950 	mutex_unlock(&sonypi_device.lock);
951 	return 0;
952 }
953 
954 static int sonypi_misc_open(struct inode *inode, struct file *file)
955 {
956 	mutex_lock(&sonypi_device.lock);
957 	/* Flush input queue on first open */
958 	if (!sonypi_device.open_count)
959 		kfifo_reset(sonypi_device.fifo);
960 	sonypi_device.open_count++;
961 	mutex_unlock(&sonypi_device.lock);
962 	return 0;
963 }
964 
965 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
966 				size_t count, loff_t *pos)
967 {
968 	ssize_t ret;
969 	unsigned char c;
970 
971 	if ((kfifo_len(sonypi_device.fifo) == 0) &&
972 	    (file->f_flags & O_NONBLOCK))
973 		return -EAGAIN;
974 
975 	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
976 				       kfifo_len(sonypi_device.fifo) != 0);
977 	if (ret)
978 		return ret;
979 
980 	while (ret < count &&
981 	       (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
982 		if (put_user(c, buf++))
983 			return -EFAULT;
984 		ret++;
985 	}
986 
987 	if (ret > 0) {
988 		struct inode *inode = file->f_path.dentry->d_inode;
989 		inode->i_atime = current_fs_time(inode->i_sb);
990 	}
991 
992 	return ret;
993 }
994 
995 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
996 {
997 	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
998 	if (kfifo_len(sonypi_device.fifo))
999 		return POLLIN | POLLRDNORM;
1000 	return 0;
1001 }
1002 
1003 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
1004 			     unsigned int cmd, unsigned long arg)
1005 {
1006 	int ret = 0;
1007 	void __user *argp = (void __user *)arg;
1008 	u8 val8;
1009 	u16 val16;
1010 
1011 	mutex_lock(&sonypi_device.lock);
1012 	switch (cmd) {
1013 	case SONYPI_IOCGBRT:
1014 		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1015 			ret = -EIO;
1016 			break;
1017 		}
1018 		if (copy_to_user(argp, &val8, sizeof(val8)))
1019 			ret = -EFAULT;
1020 		break;
1021 	case SONYPI_IOCSBRT:
1022 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1023 			ret = -EFAULT;
1024 			break;
1025 		}
1026 		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1027 			ret = -EIO;
1028 		break;
1029 	case SONYPI_IOCGBAT1CAP:
1030 		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1031 			ret = -EIO;
1032 			break;
1033 		}
1034 		if (copy_to_user(argp, &val16, sizeof(val16)))
1035 			ret = -EFAULT;
1036 		break;
1037 	case SONYPI_IOCGBAT1REM:
1038 		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1039 			ret = -EIO;
1040 			break;
1041 		}
1042 		if (copy_to_user(argp, &val16, sizeof(val16)))
1043 			ret = -EFAULT;
1044 		break;
1045 	case SONYPI_IOCGBAT2CAP:
1046 		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1047 			ret = -EIO;
1048 			break;
1049 		}
1050 		if (copy_to_user(argp, &val16, sizeof(val16)))
1051 			ret = -EFAULT;
1052 		break;
1053 	case SONYPI_IOCGBAT2REM:
1054 		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1055 			ret = -EIO;
1056 			break;
1057 		}
1058 		if (copy_to_user(argp, &val16, sizeof(val16)))
1059 			ret = -EFAULT;
1060 		break;
1061 	case SONYPI_IOCGBATFLAGS:
1062 		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1063 			ret = -EIO;
1064 			break;
1065 		}
1066 		val8 &= 0x07;
1067 		if (copy_to_user(argp, &val8, sizeof(val8)))
1068 			ret = -EFAULT;
1069 		break;
1070 	case SONYPI_IOCGBLUE:
1071 		val8 = sonypi_device.bluetooth_power;
1072 		if (copy_to_user(argp, &val8, sizeof(val8)))
1073 			ret = -EFAULT;
1074 		break;
1075 	case SONYPI_IOCSBLUE:
1076 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1077 			ret = -EFAULT;
1078 			break;
1079 		}
1080 		sonypi_setbluetoothpower(val8);
1081 		break;
1082 	/* FAN Controls */
1083 	case SONYPI_IOCGFAN:
1084 		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1085 			ret = -EIO;
1086 			break;
1087 		}
1088 		if (copy_to_user(argp, &val8, sizeof(val8)))
1089 			ret = -EFAULT;
1090 		break;
1091 	case SONYPI_IOCSFAN:
1092 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1093 			ret = -EFAULT;
1094 			break;
1095 		}
1096 		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1097 			ret = -EIO;
1098 		break;
1099 	/* GET Temperature (useful under APM) */
1100 	case SONYPI_IOCGTEMP:
1101 		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1102 			ret = -EIO;
1103 			break;
1104 		}
1105 		if (copy_to_user(argp, &val8, sizeof(val8)))
1106 			ret = -EFAULT;
1107 		break;
1108 	default:
1109 		ret = -EINVAL;
1110 	}
1111 	mutex_unlock(&sonypi_device.lock);
1112 	return ret;
1113 }
1114 
1115 static const struct file_operations sonypi_misc_fops = {
1116 	.owner		= THIS_MODULE,
1117 	.read		= sonypi_misc_read,
1118 	.poll		= sonypi_misc_poll,
1119 	.open		= sonypi_misc_open,
1120 	.release	= sonypi_misc_release,
1121 	.fasync		= sonypi_misc_fasync,
1122 	.ioctl		= sonypi_misc_ioctl,
1123 };
1124 
1125 static struct miscdevice sonypi_misc_device = {
1126 	.minor		= MISC_DYNAMIC_MINOR,
1127 	.name		= "sonypi",
1128 	.fops		= &sonypi_misc_fops,
1129 };
1130 
1131 static void sonypi_enable(unsigned int camera_on)
1132 {
1133 	switch (sonypi_device.model) {
1134 	case SONYPI_DEVICE_MODEL_TYPE1:
1135 		sonypi_type1_srs();
1136 		break;
1137 	case SONYPI_DEVICE_MODEL_TYPE2:
1138 		sonypi_type2_srs();
1139 		break;
1140 	case SONYPI_DEVICE_MODEL_TYPE3:
1141 		sonypi_type3_srs();
1142 		break;
1143 	}
1144 
1145 	sonypi_call1(0x82);
1146 	sonypi_call2(0x81, 0xff);
1147 	sonypi_call1(compat ? 0x92 : 0x82);
1148 
1149 	/* Enable ACPI mode to get Fn key events */
1150 	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1151 		outb(0xf0, 0xb2);
1152 
1153 	if (camera && camera_on)
1154 		sonypi_camera_on();
1155 }
1156 
1157 static int sonypi_disable(void)
1158 {
1159 	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1160 	if (camera)
1161 		sonypi_camera_off();
1162 
1163 	/* disable ACPI mode */
1164 	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1165 		outb(0xf1, 0xb2);
1166 
1167 	switch (sonypi_device.model) {
1168 	case SONYPI_DEVICE_MODEL_TYPE1:
1169 		sonypi_type1_dis();
1170 		break;
1171 	case SONYPI_DEVICE_MODEL_TYPE2:
1172 		sonypi_type2_dis();
1173 		break;
1174 	case SONYPI_DEVICE_MODEL_TYPE3:
1175 		sonypi_type3_dis();
1176 		break;
1177 	}
1178 
1179 	return 0;
1180 }
1181 
1182 #ifdef CONFIG_ACPI
1183 static int sonypi_acpi_add(struct acpi_device *device)
1184 {
1185 	sonypi_acpi_device = device;
1186 	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1187 	strcpy(acpi_device_class(device), "sony/hotkey");
1188 	return 0;
1189 }
1190 
1191 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1192 {
1193 	sonypi_acpi_device = NULL;
1194 	return 0;
1195 }
1196 
1197 static struct acpi_driver sonypi_acpi_driver = {
1198 	.name           = "sonypi",
1199 	.class          = "hkey",
1200 	.ids            = "SNY6001",
1201 	.ops            = {
1202 		           .add = sonypi_acpi_add,
1203 			   .remove = sonypi_acpi_remove,
1204 	},
1205 };
1206 #endif
1207 
1208 static int __devinit sonypi_create_input_devices(void)
1209 {
1210 	struct input_dev *jog_dev;
1211 	struct input_dev *key_dev;
1212 	int i;
1213 	int error;
1214 
1215 	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1216 	if (!jog_dev)
1217 		return -ENOMEM;
1218 
1219 	jog_dev->name = "Sony Vaio Jogdial";
1220 	jog_dev->id.bustype = BUS_ISA;
1221 	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1222 
1223 	jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1224 	jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1225 	jog_dev->relbit[0] = BIT(REL_WHEEL);
1226 
1227 	sonypi_device.input_key_dev = key_dev = input_allocate_device();
1228 	if (!key_dev) {
1229 		error = -ENOMEM;
1230 		goto err_free_jogdev;
1231 	}
1232 
1233 	key_dev->name = "Sony Vaio Keys";
1234 	key_dev->id.bustype = BUS_ISA;
1235 	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1236 
1237 	/* Initialize the Input Drivers: special keys */
1238 	key_dev->evbit[0] = BIT(EV_KEY);
1239 	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1240 		if (sonypi_inputkeys[i].inputev)
1241 			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1242 
1243 	error = input_register_device(jog_dev);
1244 	if (error)
1245 		goto err_free_keydev;
1246 
1247 	error = input_register_device(key_dev);
1248 	if (error)
1249 		goto err_unregister_jogdev;
1250 
1251 	return 0;
1252 
1253  err_unregister_jogdev:
1254 	input_unregister_device(jog_dev);
1255 	/* Set to NULL so we don't free it again below */
1256 	jog_dev = NULL;
1257  err_free_keydev:
1258 	input_free_device(key_dev);
1259 	sonypi_device.input_key_dev = NULL;
1260  err_free_jogdev:
1261 	input_free_device(jog_dev);
1262 	sonypi_device.input_jog_dev = NULL;
1263 
1264 	return error;
1265 }
1266 
1267 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1268 				const struct sonypi_ioport_list *ioport_list)
1269 {
1270 	/* try to detect if sony-laptop is being used and thus
1271 	 * has already requested one of the known ioports.
1272 	 * As in the deprecated check_region this is racy has we have
1273 	 * multiple ioports available and one of them can be requested
1274 	 * between this check and the subsequent request. Anyway, as an
1275 	 * attempt to be some more user-friendly as we currently are,
1276 	 * this is enough.
1277 	 */
1278 	const struct sonypi_ioport_list *check = ioport_list;
1279 	while (check_ioport && check->port1) {
1280 		if (!request_region(check->port1,
1281 				   sonypi_device.region_size,
1282 				   "Sony Programable I/O Device Check")) {
1283 			printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1284 					"if not use check_ioport=0\n",
1285 					check->port1);
1286 			return -EBUSY;
1287 		}
1288 		release_region(check->port1, sonypi_device.region_size);
1289 		check++;
1290 	}
1291 
1292 	while (ioport_list->port1) {
1293 
1294 		if (request_region(ioport_list->port1,
1295 				   sonypi_device.region_size,
1296 				   "Sony Programable I/O Device")) {
1297 			dev->ioport1 = ioport_list->port1;
1298 			dev->ioport2 = ioport_list->port2;
1299 			return 0;
1300 		}
1301 		ioport_list++;
1302 	}
1303 
1304 	return -EBUSY;
1305 }
1306 
1307 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1308 				      const struct sonypi_irq_list *irq_list)
1309 {
1310 	while (irq_list->irq) {
1311 
1312 		if (!request_irq(irq_list->irq, sonypi_irq,
1313 				 IRQF_SHARED, "sonypi", sonypi_irq)) {
1314 			dev->irq = irq_list->irq;
1315 			dev->bits = irq_list->bits;
1316 			return 0;
1317 		}
1318 		irq_list++;
1319 	}
1320 
1321 	return -EBUSY;
1322 }
1323 
1324 static void __devinit sonypi_display_info(void)
1325 {
1326 	printk(KERN_INFO "sonypi: detected type%d model, "
1327 	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1328 	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1329 	       sonypi_device.model,
1330 	       verbose,
1331 	       fnkeyinit ? "on" : "off",
1332 	       camera ? "on" : "off",
1333 	       compat ? "on" : "off",
1334 	       mask,
1335 	       useinput ? "on" : "off",
1336 	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1337 	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1338 	       sonypi_device.irq,
1339 	       sonypi_device.ioport1, sonypi_device.ioport2);
1340 
1341 	if (minor == -1)
1342 		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1343 		       sonypi_misc_device.minor);
1344 }
1345 
1346 static int __devinit sonypi_probe(struct platform_device *dev)
1347 {
1348 	const struct sonypi_ioport_list *ioport_list;
1349 	const struct sonypi_irq_list *irq_list;
1350 	struct pci_dev *pcidev;
1351 	int error;
1352 
1353 	printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1354 			"and report failures, see also "
1355 			"http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1356 
1357 	spin_lock_init(&sonypi_device.fifo_lock);
1358 	sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1359 					 &sonypi_device.fifo_lock);
1360 	if (IS_ERR(sonypi_device.fifo)) {
1361 		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1362 		return PTR_ERR(sonypi_device.fifo);
1363 	}
1364 
1365 	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1366 	mutex_init(&sonypi_device.lock);
1367 	sonypi_device.bluetooth_power = -1;
1368 
1369 	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1370 				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1371 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1372 	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1373 					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1374 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1375 	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1376 					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1377 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1378 	else
1379 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1380 
1381 	if (pcidev && pci_enable_device(pcidev)) {
1382 		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1383 		error = -EIO;
1384 		goto err_put_pcidev;
1385 	}
1386 
1387 	sonypi_device.dev = pcidev;
1388 
1389 	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1390 		ioport_list = sonypi_type1_ioport_list;
1391 		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1392 		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1393 		irq_list = sonypi_type1_irq_list;
1394 	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1395 		ioport_list = sonypi_type2_ioport_list;
1396 		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1397 		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1398 		irq_list = sonypi_type2_irq_list;
1399 	} else {
1400 		ioport_list = sonypi_type3_ioport_list;
1401 		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1402 		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1403 		irq_list = sonypi_type3_irq_list;
1404 	}
1405 
1406 	error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1407 	if (error) {
1408 		printk(KERN_ERR "sonypi: failed to request ioports\n");
1409 		goto err_disable_pcidev;
1410 	}
1411 
1412 	error = sonypi_setup_irq(&sonypi_device, irq_list);
1413 	if (error) {
1414 		printk(KERN_ERR "sonypi: request_irq failed\n");
1415 		goto err_free_ioports;
1416 	}
1417 
1418 	if (minor != -1)
1419 		sonypi_misc_device.minor = minor;
1420 	error = misc_register(&sonypi_misc_device);
1421 	if (error) {
1422 		printk(KERN_ERR "sonypi: misc_register failed\n");
1423 		goto err_free_irq;
1424 	}
1425 
1426 	sonypi_display_info();
1427 
1428 	if (useinput) {
1429 
1430 		error = sonypi_create_input_devices();
1431 		if (error) {
1432 			printk(KERN_ERR
1433 				"sonypi: failed to create input devices\n");
1434 			goto err_miscdev_unregister;
1435 		}
1436 
1437 		spin_lock_init(&sonypi_device.input_fifo_lock);
1438 		sonypi_device.input_fifo =
1439 			kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1440 				    &sonypi_device.input_fifo_lock);
1441 		if (IS_ERR(sonypi_device.input_fifo)) {
1442 			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1443 			error = PTR_ERR(sonypi_device.input_fifo);
1444 			goto err_inpdev_unregister;
1445 		}
1446 
1447 		INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1448 	}
1449 
1450 	sonypi_enable(0);
1451 
1452 	return 0;
1453 
1454  err_inpdev_unregister:
1455 	input_unregister_device(sonypi_device.input_key_dev);
1456 	input_unregister_device(sonypi_device.input_jog_dev);
1457  err_miscdev_unregister:
1458 	misc_deregister(&sonypi_misc_device);
1459  err_free_irq:
1460 	free_irq(sonypi_device.irq, sonypi_irq);
1461  err_free_ioports:
1462 	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1463  err_disable_pcidev:
1464 	if (pcidev)
1465 		pci_disable_device(pcidev);
1466  err_put_pcidev:
1467 	pci_dev_put(pcidev);
1468 	kfifo_free(sonypi_device.fifo);
1469 
1470 	return error;
1471 }
1472 
1473 static int __devexit sonypi_remove(struct platform_device *dev)
1474 {
1475 	sonypi_disable();
1476 
1477 	synchronize_sched();  /* Allow sonypi interrupt to complete. */
1478 	flush_scheduled_work();
1479 
1480 	if (useinput) {
1481 		input_unregister_device(sonypi_device.input_key_dev);
1482 		input_unregister_device(sonypi_device.input_jog_dev);
1483 		kfifo_free(sonypi_device.input_fifo);
1484 	}
1485 
1486 	misc_deregister(&sonypi_misc_device);
1487 
1488 	free_irq(sonypi_device.irq, sonypi_irq);
1489 	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1490 
1491 	if (sonypi_device.dev) {
1492 		pci_disable_device(sonypi_device.dev);
1493 		pci_dev_put(sonypi_device.dev);
1494 	}
1495 
1496 	kfifo_free(sonypi_device.fifo);
1497 
1498 	return 0;
1499 }
1500 
1501 #ifdef CONFIG_PM
1502 static int old_camera_power;
1503 
1504 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1505 {
1506 	old_camera_power = sonypi_device.camera_power;
1507 	sonypi_disable();
1508 
1509 	return 0;
1510 }
1511 
1512 static int sonypi_resume(struct platform_device *dev)
1513 {
1514 	sonypi_enable(old_camera_power);
1515 	return 0;
1516 }
1517 #else
1518 #define sonypi_suspend	NULL
1519 #define sonypi_resume	NULL
1520 #endif
1521 
1522 static void sonypi_shutdown(struct platform_device *dev)
1523 {
1524 	sonypi_disable();
1525 }
1526 
1527 static struct platform_driver sonypi_driver = {
1528 	.driver		= {
1529 		.name	= "sonypi",
1530 		.owner	= THIS_MODULE,
1531 	},
1532 	.probe		= sonypi_probe,
1533 	.remove		= __devexit_p(sonypi_remove),
1534 	.shutdown	= sonypi_shutdown,
1535 	.suspend	= sonypi_suspend,
1536 	.resume		= sonypi_resume,
1537 };
1538 
1539 static struct platform_device *sonypi_platform_device;
1540 
1541 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1542 	{
1543 		.ident = "Sony Vaio",
1544 		.matches = {
1545 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1546 			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1547 		},
1548 	},
1549 	{
1550 		.ident = "Sony Vaio",
1551 		.matches = {
1552 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1553 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1554 		},
1555 	},
1556 	{ }
1557 };
1558 
1559 static int __init sonypi_init(void)
1560 {
1561 	int error;
1562 
1563 	printk(KERN_INFO
1564 		"sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1565 		SONYPI_DRIVER_VERSION);
1566 
1567 	if (!dmi_check_system(sonypi_dmi_table))
1568 		return -ENODEV;
1569 
1570 	error = platform_driver_register(&sonypi_driver);
1571 	if (error)
1572 		return error;
1573 
1574 	sonypi_platform_device = platform_device_alloc("sonypi", -1);
1575 	if (!sonypi_platform_device) {
1576 		error = -ENOMEM;
1577 		goto err_driver_unregister;
1578 	}
1579 
1580 	error = platform_device_add(sonypi_platform_device);
1581 	if (error)
1582 		goto err_free_device;
1583 
1584 #ifdef CONFIG_ACPI
1585 	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1586 		acpi_driver_registered = 1;
1587 #endif
1588 
1589 	return 0;
1590 
1591  err_free_device:
1592 	platform_device_put(sonypi_platform_device);
1593  err_driver_unregister:
1594 	platform_driver_unregister(&sonypi_driver);
1595 	return error;
1596 }
1597 
1598 static void __exit sonypi_exit(void)
1599 {
1600 #ifdef CONFIG_ACPI
1601 	if (acpi_driver_registered)
1602 		acpi_bus_unregister_driver(&sonypi_acpi_driver);
1603 #endif
1604 	platform_device_unregister(sonypi_platform_device);
1605 	platform_driver_unregister(&sonypi_driver);
1606 	printk(KERN_INFO "sonypi: removed.\n");
1607 }
1608 
1609 module_init(sonypi_init);
1610 module_exit(sonypi_exit);
1611