xref: /linux/drivers/char/sonypi.c (revision 14b42963f64b98ab61fa9723c03d71aa5ef4f862)
1 /*
2  * Sony Programmable I/O Control Device driver for VAIO
3  *
4  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
5  *
6  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
7  *
8  * Copyright (C) 2001-2002 Alc�ve <www.alcove.com>
9  *
10  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
11  *
12  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
13  *
14  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
15  *
16  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
17  *
18  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
19  *
20  * This program is free software; you can redistribute it and/or modify
21  * it under the terms of the GNU General Public License as published by
22  * the Free Software Foundation; either version 2 of the License, or
23  * (at your option) any later version.
24  *
25  * This program is distributed in the hope that it will be useful,
26  * but WITHOUT ANY WARRANTY; without even the implied warranty of
27  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
28  * GNU General Public License for more details.
29  *
30  * You should have received a copy of the GNU General Public License
31  * along with this program; if not, write to the Free Software
32  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33  *
34  */
35 
36 #include <linux/module.h>
37 #include <linux/input.h>
38 #include <linux/pci.h>
39 #include <linux/sched.h>
40 #include <linux/init.h>
41 #include <linux/interrupt.h>
42 #include <linux/miscdevice.h>
43 #include <linux/poll.h>
44 #include <linux/delay.h>
45 #include <linux/wait.h>
46 #include <linux/acpi.h>
47 #include <linux/dmi.h>
48 #include <linux/err.h>
49 #include <linux/kfifo.h>
50 #include <linux/platform_device.h>
51 
52 #include <asm/uaccess.h>
53 #include <asm/io.h>
54 #include <asm/system.h>
55 
56 #include <linux/sonypi.h>
57 
58 #define SONYPI_DRIVER_VERSION	 "1.26"
59 
60 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
61 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
62 MODULE_LICENSE("GPL");
63 MODULE_VERSION(SONYPI_DRIVER_VERSION);
64 
65 static int minor = -1;
66 module_param(minor, int, 0);
67 MODULE_PARM_DESC(minor,
68 		 "minor number of the misc device, default is -1 (automatic)");
69 
70 static int verbose;		/* = 0 */
71 module_param(verbose, int, 0644);
72 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
73 
74 static int fnkeyinit;		/* = 0 */
75 module_param(fnkeyinit, int, 0444);
76 MODULE_PARM_DESC(fnkeyinit,
77 		 "set this if your Fn keys do not generate any event");
78 
79 static int camera;		/* = 0 */
80 module_param(camera, int, 0444);
81 MODULE_PARM_DESC(camera,
82 		 "set this if you have a MotionEye camera (PictureBook series)");
83 
84 static int compat;		/* = 0 */
85 module_param(compat, int, 0444);
86 MODULE_PARM_DESC(compat,
87 		 "set this if you want to enable backward compatibility mode");
88 
89 static unsigned long mask = 0xffffffff;
90 module_param(mask, ulong, 0644);
91 MODULE_PARM_DESC(mask,
92 		 "set this to the mask of event you want to enable (see doc)");
93 
94 static int useinput = 1;
95 module_param(useinput, int, 0444);
96 MODULE_PARM_DESC(useinput,
97 		 "set this if you would like sonypi to feed events to the input subsystem");
98 
99 #define SONYPI_DEVICE_MODEL_TYPE1	1
100 #define SONYPI_DEVICE_MODEL_TYPE2	2
101 #define SONYPI_DEVICE_MODEL_TYPE3	3
102 
103 /* type1 models use those */
104 #define SONYPI_IRQ_PORT			0x8034
105 #define SONYPI_IRQ_SHIFT		22
106 #define SONYPI_TYPE1_BASE		0x50
107 #define SONYPI_G10A			(SONYPI_TYPE1_BASE+0x14)
108 #define SONYPI_TYPE1_REGION_SIZE	0x08
109 #define SONYPI_TYPE1_EVTYPE_OFFSET	0x04
110 
111 /* type2 series specifics */
112 #define SONYPI_SIRQ			0x9b
113 #define SONYPI_SLOB			0x9c
114 #define SONYPI_SHIB			0x9d
115 #define SONYPI_TYPE2_REGION_SIZE	0x20
116 #define SONYPI_TYPE2_EVTYPE_OFFSET	0x12
117 
118 /* type3 series specifics */
119 #define SONYPI_TYPE3_BASE		0x40
120 #define SONYPI_TYPE3_GID2		(SONYPI_TYPE3_BASE+0x48) /* 16 bits */
121 #define SONYPI_TYPE3_MISC		(SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
122 #define SONYPI_TYPE3_REGION_SIZE	0x20
123 #define SONYPI_TYPE3_EVTYPE_OFFSET	0x12
124 
125 /* battery / brightness addresses */
126 #define SONYPI_BAT_FLAGS	0x81
127 #define SONYPI_LCD_LIGHT	0x96
128 #define SONYPI_BAT1_PCTRM	0xa0
129 #define SONYPI_BAT1_LEFT	0xa2
130 #define SONYPI_BAT1_MAXRT	0xa4
131 #define SONYPI_BAT2_PCTRM	0xa8
132 #define SONYPI_BAT2_LEFT	0xaa
133 #define SONYPI_BAT2_MAXRT	0xac
134 #define SONYPI_BAT1_MAXTK	0xb0
135 #define SONYPI_BAT1_FULL	0xb2
136 #define SONYPI_BAT2_MAXTK	0xb8
137 #define SONYPI_BAT2_FULL	0xba
138 
139 /* FAN0 information (reverse engineered from ACPI tables) */
140 #define SONYPI_FAN0_STATUS	0x93
141 #define SONYPI_TEMP_STATUS	0xC1
142 
143 /* ioports used for brightness and type2 events */
144 #define SONYPI_DATA_IOPORT	0x62
145 #define SONYPI_CST_IOPORT	0x66
146 
147 /* The set of possible ioports */
148 struct sonypi_ioport_list {
149 	u16	port1;
150 	u16	port2;
151 };
152 
153 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
154 	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
155 	{ 0x1080, 0x1084 },
156 	{ 0x1090, 0x1094 },
157 	{ 0x10a0, 0x10a4 },
158 	{ 0x10b0, 0x10b4 },
159 	{ 0x0, 0x0 }
160 };
161 
162 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
163 	{ 0x1080, 0x1084 },
164 	{ 0x10a0, 0x10a4 },
165 	{ 0x10c0, 0x10c4 },
166 	{ 0x10e0, 0x10e4 },
167 	{ 0x0, 0x0 }
168 };
169 
170 /* same as in type 2 models */
171 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
172 	sonypi_type2_ioport_list;
173 
174 /* The set of possible interrupts */
175 struct sonypi_irq_list {
176 	u16	irq;
177 	u16	bits;
178 };
179 
180 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
181 	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
182 	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
183 	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
184 	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
185 };
186 
187 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
188 	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
189 	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
190 	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
191 	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
192 	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
193 };
194 
195 /* same as in type2 models */
196 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
197 
198 #define SONYPI_CAMERA_BRIGHTNESS		0
199 #define SONYPI_CAMERA_CONTRAST			1
200 #define SONYPI_CAMERA_HUE			2
201 #define SONYPI_CAMERA_COLOR			3
202 #define SONYPI_CAMERA_SHARPNESS			4
203 
204 #define SONYPI_CAMERA_PICTURE			5
205 #define SONYPI_CAMERA_EXPOSURE_MASK		0xC
206 #define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
207 #define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
208 #define SONYPI_CAMERA_MUTE_MASK			0x40
209 
210 /* the rest don't need a loop until not 0xff */
211 #define SONYPI_CAMERA_AGC			6
212 #define SONYPI_CAMERA_AGC_MASK			0x30
213 #define SONYPI_CAMERA_SHUTTER_MASK 		0x7
214 
215 #define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
216 #define SONYPI_CAMERA_CONTROL			0x10
217 
218 #define SONYPI_CAMERA_STATUS 			7
219 #define SONYPI_CAMERA_STATUS_READY 		0x2
220 #define SONYPI_CAMERA_STATUS_POSITION		0x4
221 
222 #define SONYPI_DIRECTION_BACKWARDS 		0x4
223 
224 #define SONYPI_CAMERA_REVISION 			8
225 #define SONYPI_CAMERA_ROMVERSION 		9
226 
227 /* Event masks */
228 #define SONYPI_JOGGER_MASK			0x00000001
229 #define SONYPI_CAPTURE_MASK			0x00000002
230 #define SONYPI_FNKEY_MASK			0x00000004
231 #define SONYPI_BLUETOOTH_MASK			0x00000008
232 #define SONYPI_PKEY_MASK			0x00000010
233 #define SONYPI_BACK_MASK			0x00000020
234 #define SONYPI_HELP_MASK			0x00000040
235 #define SONYPI_LID_MASK				0x00000080
236 #define SONYPI_ZOOM_MASK			0x00000100
237 #define SONYPI_THUMBPHRASE_MASK			0x00000200
238 #define SONYPI_MEYE_MASK			0x00000400
239 #define SONYPI_MEMORYSTICK_MASK			0x00000800
240 #define SONYPI_BATTERY_MASK			0x00001000
241 #define SONYPI_WIRELESS_MASK			0x00002000
242 
243 struct sonypi_event {
244 	u8	data;
245 	u8	event;
246 };
247 
248 /* The set of possible button release events */
249 static struct sonypi_event sonypi_releaseev[] = {
250 	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
251 	{ 0, 0 }
252 };
253 
254 /* The set of possible jogger events  */
255 static struct sonypi_event sonypi_joggerev[] = {
256 	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
257 	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
258 	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
259 	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
260 	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
261 	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
262 	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
263 	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
264 	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
265 	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
266 	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
267 	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
268 	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
269 	{ 0, 0 }
270 };
271 
272 /* The set of possible capture button events */
273 static struct sonypi_event sonypi_captureev[] = {
274 	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
275 	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
276 	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
277 	{ 0, 0 }
278 };
279 
280 /* The set of possible fnkeys events */
281 static struct sonypi_event sonypi_fnkeyev[] = {
282 	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
283 	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
284 	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
285 	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
286 	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
287 	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
288 	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
289 	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
290 	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
291 	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
292 	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
293 	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
294 	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
295 	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
296 	{ 0x21, SONYPI_EVENT_FNKEY_1 },
297 	{ 0x22, SONYPI_EVENT_FNKEY_2 },
298 	{ 0x31, SONYPI_EVENT_FNKEY_D },
299 	{ 0x32, SONYPI_EVENT_FNKEY_E },
300 	{ 0x33, SONYPI_EVENT_FNKEY_F },
301 	{ 0x34, SONYPI_EVENT_FNKEY_S },
302 	{ 0x35, SONYPI_EVENT_FNKEY_B },
303 	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
304 	{ 0, 0 }
305 };
306 
307 /* The set of possible program key events */
308 static struct sonypi_event sonypi_pkeyev[] = {
309 	{ 0x01, SONYPI_EVENT_PKEY_P1 },
310 	{ 0x02, SONYPI_EVENT_PKEY_P2 },
311 	{ 0x04, SONYPI_EVENT_PKEY_P3 },
312 	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
313 	{ 0, 0 }
314 };
315 
316 /* The set of possible bluetooth events */
317 static struct sonypi_event sonypi_blueev[] = {
318 	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
319 	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
320 	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
321 	{ 0, 0 }
322 };
323 
324 /* The set of possible wireless events */
325 static struct sonypi_event sonypi_wlessev[] = {
326 	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
327 	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
328 	{ 0, 0 }
329 };
330 
331 /* The set of possible back button events */
332 static struct sonypi_event sonypi_backev[] = {
333 	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
334 	{ 0, 0 }
335 };
336 
337 /* The set of possible help button events */
338 static struct sonypi_event sonypi_helpev[] = {
339 	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
340 	{ 0, 0 }
341 };
342 
343 
344 /* The set of possible lid events */
345 static struct sonypi_event sonypi_lidev[] = {
346 	{ 0x51, SONYPI_EVENT_LID_CLOSED },
347 	{ 0x50, SONYPI_EVENT_LID_OPENED },
348 	{ 0, 0 }
349 };
350 
351 /* The set of possible zoom events */
352 static struct sonypi_event sonypi_zoomev[] = {
353 	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
354 	{ 0, 0 }
355 };
356 
357 /* The set of possible thumbphrase events */
358 static struct sonypi_event sonypi_thumbphraseev[] = {
359 	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
360 	{ 0, 0 }
361 };
362 
363 /* The set of possible motioneye camera events */
364 static struct sonypi_event sonypi_meyeev[] = {
365 	{ 0x00, SONYPI_EVENT_MEYE_FACE },
366 	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
367 	{ 0, 0 }
368 };
369 
370 /* The set of possible memorystick events */
371 static struct sonypi_event sonypi_memorystickev[] = {
372 	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
373 	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
374 	{ 0, 0 }
375 };
376 
377 /* The set of possible battery events */
378 static struct sonypi_event sonypi_batteryev[] = {
379 	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
380 	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
381 	{ 0, 0 }
382 };
383 
384 static struct sonypi_eventtypes {
385 	int			model;
386 	u8			data;
387 	unsigned long		mask;
388 	struct sonypi_event *	events;
389 } sonypi_eventtypes[] = {
390 	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
391 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
392 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
393 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
394 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
395 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
396 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
397 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
398 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
399 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
400 
401 	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
402 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
403 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
404 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
405 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
406 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
407 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
408 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
409 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
410 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
411 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
412 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
413 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
414 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
415 
416 	{ SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
417 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
418 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
419 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
420 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
421 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
422 	{ 0 }
423 };
424 
425 #define SONYPI_BUF_SIZE	128
426 
427 /* Correspondance table between sonypi events and input layer events */
428 static struct {
429 	int sonypiev;
430 	int inputev;
431 } sonypi_inputkeys[] = {
432 	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
433 	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
434 	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
435 	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
436 	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
437 	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
438 	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
439 	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
440 	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
441 	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
442 	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
443 	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
444 	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
445 	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
446 	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
447 	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
448 	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
449 	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
450 	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
451 	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
452 	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
453 	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
454 	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
455 	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
456 	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
457 	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
458 	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
459 	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
460 	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
461 	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
462 	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
463 	{ 0, 0 },
464 };
465 
466 struct sonypi_keypress {
467 	struct input_dev *dev;
468 	int key;
469 };
470 
471 static struct sonypi_device {
472 	struct pci_dev *dev;
473 	u16 irq;
474 	u16 bits;
475 	u16 ioport1;
476 	u16 ioport2;
477 	u16 region_size;
478 	u16 evtype_offset;
479 	int camera_power;
480 	int bluetooth_power;
481 	struct semaphore lock;
482 	struct kfifo *fifo;
483 	spinlock_t fifo_lock;
484 	wait_queue_head_t fifo_proc_list;
485 	struct fasync_struct *fifo_async;
486 	int open_count;
487 	int model;
488 	struct input_dev *input_jog_dev;
489 	struct input_dev *input_key_dev;
490 	struct work_struct input_work;
491 	struct kfifo *input_fifo;
492 	spinlock_t input_fifo_lock;
493 } sonypi_device;
494 
495 #define ITERATIONS_LONG		10000
496 #define ITERATIONS_SHORT	10
497 
498 #define wait_on_command(quiet, command, iterations) { \
499 	unsigned int n = iterations; \
500 	while (--n && (command)) \
501 		udelay(1); \
502 	if (!n && (verbose || !quiet)) \
503 		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
504 }
505 
506 #ifdef CONFIG_ACPI
507 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
508 #else
509 #define SONYPI_ACPI_ACTIVE 0
510 #endif				/* CONFIG_ACPI */
511 
512 #ifdef CONFIG_ACPI
513 static struct acpi_device *sonypi_acpi_device;
514 static int acpi_driver_registered;
515 #endif
516 
517 static int sonypi_ec_write(u8 addr, u8 value)
518 {
519 #ifdef CONFIG_ACPI_EC
520 	if (SONYPI_ACPI_ACTIVE)
521 		return ec_write(addr, value);
522 #endif
523 	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
524 	outb_p(0x81, SONYPI_CST_IOPORT);
525 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
526 	outb_p(addr, SONYPI_DATA_IOPORT);
527 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
528 	outb_p(value, SONYPI_DATA_IOPORT);
529 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
530 	return 0;
531 }
532 
533 static int sonypi_ec_read(u8 addr, u8 *value)
534 {
535 #ifdef CONFIG_ACPI_EC
536 	if (SONYPI_ACPI_ACTIVE)
537 		return ec_read(addr, value);
538 #endif
539 	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
540 	outb_p(0x80, SONYPI_CST_IOPORT);
541 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
542 	outb_p(addr, SONYPI_DATA_IOPORT);
543 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
544 	*value = inb_p(SONYPI_DATA_IOPORT);
545 	return 0;
546 }
547 
548 static int ec_read16(u8 addr, u16 *value)
549 {
550 	u8 val_lb, val_hb;
551 	if (sonypi_ec_read(addr, &val_lb))
552 		return -1;
553 	if (sonypi_ec_read(addr + 1, &val_hb))
554 		return -1;
555 	*value = val_lb | (val_hb << 8);
556 	return 0;
557 }
558 
559 /* Initializes the device - this comes from the AML code in the ACPI bios */
560 static void sonypi_type1_srs(void)
561 {
562 	u32 v;
563 
564 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
565 	v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
566 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
567 
568 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
569 	v = (v & 0xFFF0FFFF) |
570 	    (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
571 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
572 
573 	v = inl(SONYPI_IRQ_PORT);
574 	v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
575 	v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
576 	outl(v, SONYPI_IRQ_PORT);
577 
578 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
579 	v = (v & 0xFF1FFFFF) | 0x00C00000;
580 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
581 }
582 
583 static void sonypi_type2_srs(void)
584 {
585 	if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
586 		printk(KERN_WARNING "ec_write failed\n");
587 	if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
588 		printk(KERN_WARNING "ec_write failed\n");
589 	if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
590 		printk(KERN_WARNING "ec_write failed\n");
591 	udelay(10);
592 }
593 
594 static void sonypi_type3_srs(void)
595 {
596 	u16 v16;
597 	u8  v8;
598 
599 	/* This model type uses the same initialiazation of
600 	 * the embedded controller as the type2 models. */
601 	sonypi_type2_srs();
602 
603 	/* Initialization of PCI config space of the LPC interface bridge. */
604 	v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
605 	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
606 	pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
607 	v8 = (v8 & 0xCF) | 0x10;
608 	pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
609 }
610 
611 /* Disables the device - this comes from the AML code in the ACPI bios */
612 static void sonypi_type1_dis(void)
613 {
614 	u32 v;
615 
616 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
617 	v = v & 0xFF3FFFFF;
618 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
619 
620 	v = inl(SONYPI_IRQ_PORT);
621 	v |= (0x3 << SONYPI_IRQ_SHIFT);
622 	outl(v, SONYPI_IRQ_PORT);
623 }
624 
625 static void sonypi_type2_dis(void)
626 {
627 	if (sonypi_ec_write(SONYPI_SHIB, 0))
628 		printk(KERN_WARNING "ec_write failed\n");
629 	if (sonypi_ec_write(SONYPI_SLOB, 0))
630 		printk(KERN_WARNING "ec_write failed\n");
631 	if (sonypi_ec_write(SONYPI_SIRQ, 0))
632 		printk(KERN_WARNING "ec_write failed\n");
633 }
634 
635 static void sonypi_type3_dis(void)
636 {
637 	sonypi_type2_dis();
638 	udelay(10);
639 	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
640 }
641 
642 static u8 sonypi_call1(u8 dev)
643 {
644 	u8 v1, v2;
645 
646 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
647 	outb(dev, sonypi_device.ioport2);
648 	v1 = inb_p(sonypi_device.ioport2);
649 	v2 = inb_p(sonypi_device.ioport1);
650 	return v2;
651 }
652 
653 static u8 sonypi_call2(u8 dev, u8 fn)
654 {
655 	u8 v1;
656 
657 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
658 	outb(dev, sonypi_device.ioport2);
659 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
660 	outb(fn, sonypi_device.ioport1);
661 	v1 = inb_p(sonypi_device.ioport1);
662 	return v1;
663 }
664 
665 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
666 {
667 	u8 v1;
668 
669 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
670 	outb(dev, sonypi_device.ioport2);
671 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
672 	outb(fn, sonypi_device.ioport1);
673 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
674 	outb(v, sonypi_device.ioport1);
675 	v1 = inb_p(sonypi_device.ioport1);
676 	return v1;
677 }
678 
679 #if 0
680 /* Get brightness, hue etc. Unreliable... */
681 static u8 sonypi_read(u8 fn)
682 {
683 	u8 v1, v2;
684 	int n = 100;
685 
686 	while (n--) {
687 		v1 = sonypi_call2(0x8f, fn);
688 		v2 = sonypi_call2(0x8f, fn);
689 		if (v1 == v2 && v1 != 0xff)
690 			return v1;
691 	}
692 	return 0xff;
693 }
694 #endif
695 
696 /* Set brightness, hue etc */
697 static void sonypi_set(u8 fn, u8 v)
698 {
699 	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
700 }
701 
702 /* Tests if the camera is ready */
703 static int sonypi_camera_ready(void)
704 {
705 	u8 v;
706 
707 	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
708 	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
709 }
710 
711 /* Turns the camera off */
712 static void sonypi_camera_off(void)
713 {
714 	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
715 
716 	if (!sonypi_device.camera_power)
717 		return;
718 
719 	sonypi_call2(0x91, 0);
720 	sonypi_device.camera_power = 0;
721 }
722 
723 /* Turns the camera on */
724 static void sonypi_camera_on(void)
725 {
726 	int i, j;
727 
728 	if (sonypi_device.camera_power)
729 		return;
730 
731 	for (j = 5; j > 0; j--) {
732 
733 		while (sonypi_call2(0x91, 0x1))
734 			msleep(10);
735 		sonypi_call1(0x93);
736 
737 		for (i = 400; i > 0; i--) {
738 			if (sonypi_camera_ready())
739 				break;
740 			msleep(10);
741 		}
742 		if (i)
743 			break;
744 	}
745 
746 	if (j == 0) {
747 		printk(KERN_WARNING "sonypi: failed to power on camera\n");
748 		return;
749 	}
750 
751 	sonypi_set(0x10, 0x5a);
752 	sonypi_device.camera_power = 1;
753 }
754 
755 /* sets the bluetooth subsystem power state */
756 static void sonypi_setbluetoothpower(u8 state)
757 {
758 	state = !!state;
759 
760 	if (sonypi_device.bluetooth_power == state)
761 		return;
762 
763 	sonypi_call2(0x96, state);
764 	sonypi_call1(0x82);
765 	sonypi_device.bluetooth_power = state;
766 }
767 
768 static void input_keyrelease(void *data)
769 {
770 	struct sonypi_keypress kp;
771 
772 	while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
773 			 sizeof(kp)) == sizeof(kp)) {
774 		msleep(10);
775 		input_report_key(kp.dev, kp.key, 0);
776 		input_sync(kp.dev);
777 	}
778 }
779 
780 static void sonypi_report_input_event(u8 event)
781 {
782 	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
783 	struct input_dev *key_dev = sonypi_device.input_key_dev;
784 	struct sonypi_keypress kp = { NULL };
785 	int i;
786 
787 	switch (event) {
788 	case SONYPI_EVENT_JOGDIAL_UP:
789 	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
790 		input_report_rel(jog_dev, REL_WHEEL, 1);
791 		input_sync(jog_dev);
792 		break;
793 
794 	case SONYPI_EVENT_JOGDIAL_DOWN:
795 	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
796 		input_report_rel(jog_dev, REL_WHEEL, -1);
797 		input_sync(jog_dev);
798 		break;
799 
800 	case SONYPI_EVENT_JOGDIAL_PRESSED:
801 		kp.key = BTN_MIDDLE;
802 		kp.dev = jog_dev;
803 		break;
804 
805 	case SONYPI_EVENT_FNKEY_RELEASED:
806 		/* Nothing, not all VAIOs generate this event */
807 		break;
808 
809 	default:
810 		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
811 			if (event == sonypi_inputkeys[i].sonypiev) {
812 				kp.dev = key_dev;
813 				kp.key = sonypi_inputkeys[i].inputev;
814 				break;
815 			}
816 		break;
817 	}
818 
819 	if (kp.dev) {
820 		input_report_key(kp.dev, kp.key, 1);
821 		input_sync(kp.dev);
822 		kfifo_put(sonypi_device.input_fifo,
823 			  (unsigned char *)&kp, sizeof(kp));
824 		schedule_work(&sonypi_device.input_work);
825 	}
826 }
827 
828 /* Interrupt handler: some event is available */
829 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
830 {
831 	u8 v1, v2, event = 0;
832 	int i, j;
833 
834 	v1 = inb_p(sonypi_device.ioport1);
835 	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
836 
837 	for (i = 0; sonypi_eventtypes[i].model; i++) {
838 		if (sonypi_device.model != sonypi_eventtypes[i].model)
839 			continue;
840 		if ((v2 & sonypi_eventtypes[i].data) !=
841 		    sonypi_eventtypes[i].data)
842 			continue;
843 		if (!(mask & sonypi_eventtypes[i].mask))
844 			continue;
845 		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
846 			if (v1 == sonypi_eventtypes[i].events[j].data) {
847 				event = sonypi_eventtypes[i].events[j].event;
848 				goto found;
849 			}
850 		}
851 	}
852 
853 	if (verbose)
854 		printk(KERN_WARNING
855 		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
856 		       v1, v2);
857 	/* We need to return IRQ_HANDLED here because there *are*
858 	 * events belonging to the sonypi device we don't know about,
859 	 * but we still don't want those to pollute the logs... */
860 	return IRQ_HANDLED;
861 
862 found:
863 	if (verbose > 1)
864 		printk(KERN_INFO
865 		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
866 
867 	if (useinput)
868 		sonypi_report_input_event(event);
869 
870 #ifdef CONFIG_ACPI
871 	if (sonypi_acpi_device)
872 		acpi_bus_generate_event(sonypi_acpi_device, 1, event);
873 #endif
874 
875 	kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
876 	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
877 	wake_up_interruptible(&sonypi_device.fifo_proc_list);
878 
879 	return IRQ_HANDLED;
880 }
881 
882 /* External camera command (exported to the motion eye v4l driver) */
883 int sonypi_camera_command(int command, u8 value)
884 {
885 	if (!camera)
886 		return -EIO;
887 
888 	down(&sonypi_device.lock);
889 
890 	switch (command) {
891 	case SONYPI_COMMAND_SETCAMERA:
892 		if (value)
893 			sonypi_camera_on();
894 		else
895 			sonypi_camera_off();
896 		break;
897 	case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
898 		sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
899 		break;
900 	case SONYPI_COMMAND_SETCAMERACONTRAST:
901 		sonypi_set(SONYPI_CAMERA_CONTRAST, value);
902 		break;
903 	case SONYPI_COMMAND_SETCAMERAHUE:
904 		sonypi_set(SONYPI_CAMERA_HUE, value);
905 		break;
906 	case SONYPI_COMMAND_SETCAMERACOLOR:
907 		sonypi_set(SONYPI_CAMERA_COLOR, value);
908 		break;
909 	case SONYPI_COMMAND_SETCAMERASHARPNESS:
910 		sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
911 		break;
912 	case SONYPI_COMMAND_SETCAMERAPICTURE:
913 		sonypi_set(SONYPI_CAMERA_PICTURE, value);
914 		break;
915 	case SONYPI_COMMAND_SETCAMERAAGC:
916 		sonypi_set(SONYPI_CAMERA_AGC, value);
917 		break;
918 	default:
919 		printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
920 		       command);
921 		break;
922 	}
923 	up(&sonypi_device.lock);
924 	return 0;
925 }
926 
927 EXPORT_SYMBOL(sonypi_camera_command);
928 
929 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
930 {
931 	int retval;
932 
933 	retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
934 	if (retval < 0)
935 		return retval;
936 	return 0;
937 }
938 
939 static int sonypi_misc_release(struct inode *inode, struct file *file)
940 {
941 	sonypi_misc_fasync(-1, file, 0);
942 	down(&sonypi_device.lock);
943 	sonypi_device.open_count--;
944 	up(&sonypi_device.lock);
945 	return 0;
946 }
947 
948 static int sonypi_misc_open(struct inode *inode, struct file *file)
949 {
950 	down(&sonypi_device.lock);
951 	/* Flush input queue on first open */
952 	if (!sonypi_device.open_count)
953 		kfifo_reset(sonypi_device.fifo);
954 	sonypi_device.open_count++;
955 	up(&sonypi_device.lock);
956 	return 0;
957 }
958 
959 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
960 				size_t count, loff_t *pos)
961 {
962 	ssize_t ret;
963 	unsigned char c;
964 
965 	if ((kfifo_len(sonypi_device.fifo) == 0) &&
966 	    (file->f_flags & O_NONBLOCK))
967 		return -EAGAIN;
968 
969 	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
970 				       kfifo_len(sonypi_device.fifo) != 0);
971 	if (ret)
972 		return ret;
973 
974 	while (ret < count &&
975 	       (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
976 		if (put_user(c, buf++))
977 			return -EFAULT;
978 		ret++;
979 	}
980 
981 	if (ret > 0) {
982 		struct inode *inode = file->f_dentry->d_inode;
983 		inode->i_atime = current_fs_time(inode->i_sb);
984 	}
985 
986 	return ret;
987 }
988 
989 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
990 {
991 	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
992 	if (kfifo_len(sonypi_device.fifo))
993 		return POLLIN | POLLRDNORM;
994 	return 0;
995 }
996 
997 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
998 			     unsigned int cmd, unsigned long arg)
999 {
1000 	int ret = 0;
1001 	void __user *argp = (void __user *)arg;
1002 	u8 val8;
1003 	u16 val16;
1004 
1005 	down(&sonypi_device.lock);
1006 	switch (cmd) {
1007 	case SONYPI_IOCGBRT:
1008 		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1009 			ret = -EIO;
1010 			break;
1011 		}
1012 		if (copy_to_user(argp, &val8, sizeof(val8)))
1013 			ret = -EFAULT;
1014 		break;
1015 	case SONYPI_IOCSBRT:
1016 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1017 			ret = -EFAULT;
1018 			break;
1019 		}
1020 		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1021 			ret = -EIO;
1022 		break;
1023 	case SONYPI_IOCGBAT1CAP:
1024 		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1025 			ret = -EIO;
1026 			break;
1027 		}
1028 		if (copy_to_user(argp, &val16, sizeof(val16)))
1029 			ret = -EFAULT;
1030 		break;
1031 	case SONYPI_IOCGBAT1REM:
1032 		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1033 			ret = -EIO;
1034 			break;
1035 		}
1036 		if (copy_to_user(argp, &val16, sizeof(val16)))
1037 			ret = -EFAULT;
1038 		break;
1039 	case SONYPI_IOCGBAT2CAP:
1040 		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1041 			ret = -EIO;
1042 			break;
1043 		}
1044 		if (copy_to_user(argp, &val16, sizeof(val16)))
1045 			ret = -EFAULT;
1046 		break;
1047 	case SONYPI_IOCGBAT2REM:
1048 		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1049 			ret = -EIO;
1050 			break;
1051 		}
1052 		if (copy_to_user(argp, &val16, sizeof(val16)))
1053 			ret = -EFAULT;
1054 		break;
1055 	case SONYPI_IOCGBATFLAGS:
1056 		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1057 			ret = -EIO;
1058 			break;
1059 		}
1060 		val8 &= 0x07;
1061 		if (copy_to_user(argp, &val8, sizeof(val8)))
1062 			ret = -EFAULT;
1063 		break;
1064 	case SONYPI_IOCGBLUE:
1065 		val8 = sonypi_device.bluetooth_power;
1066 		if (copy_to_user(argp, &val8, sizeof(val8)))
1067 			ret = -EFAULT;
1068 		break;
1069 	case SONYPI_IOCSBLUE:
1070 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1071 			ret = -EFAULT;
1072 			break;
1073 		}
1074 		sonypi_setbluetoothpower(val8);
1075 		break;
1076 	/* FAN Controls */
1077 	case SONYPI_IOCGFAN:
1078 		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1079 			ret = -EIO;
1080 			break;
1081 		}
1082 		if (copy_to_user(argp, &val8, sizeof(val8)))
1083 			ret = -EFAULT;
1084 		break;
1085 	case SONYPI_IOCSFAN:
1086 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1087 			ret = -EFAULT;
1088 			break;
1089 		}
1090 		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1091 			ret = -EIO;
1092 		break;
1093 	/* GET Temperature (useful under APM) */
1094 	case SONYPI_IOCGTEMP:
1095 		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1096 			ret = -EIO;
1097 			break;
1098 		}
1099 		if (copy_to_user(argp, &val8, sizeof(val8)))
1100 			ret = -EFAULT;
1101 		break;
1102 	default:
1103 		ret = -EINVAL;
1104 	}
1105 	up(&sonypi_device.lock);
1106 	return ret;
1107 }
1108 
1109 static const struct file_operations sonypi_misc_fops = {
1110 	.owner		= THIS_MODULE,
1111 	.read		= sonypi_misc_read,
1112 	.poll		= sonypi_misc_poll,
1113 	.open		= sonypi_misc_open,
1114 	.release	= sonypi_misc_release,
1115 	.fasync		= sonypi_misc_fasync,
1116 	.ioctl		= sonypi_misc_ioctl,
1117 };
1118 
1119 static struct miscdevice sonypi_misc_device = {
1120 	.minor		= MISC_DYNAMIC_MINOR,
1121 	.name		= "sonypi",
1122 	.fops		= &sonypi_misc_fops,
1123 };
1124 
1125 static void sonypi_enable(unsigned int camera_on)
1126 {
1127 	switch (sonypi_device.model) {
1128 	case SONYPI_DEVICE_MODEL_TYPE1:
1129 		sonypi_type1_srs();
1130 		break;
1131 	case SONYPI_DEVICE_MODEL_TYPE2:
1132 		sonypi_type2_srs();
1133 		break;
1134 	case SONYPI_DEVICE_MODEL_TYPE3:
1135 		sonypi_type3_srs();
1136 		break;
1137 	}
1138 
1139 	sonypi_call1(0x82);
1140 	sonypi_call2(0x81, 0xff);
1141 	sonypi_call1(compat ? 0x92 : 0x82);
1142 
1143 	/* Enable ACPI mode to get Fn key events */
1144 	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1145 		outb(0xf0, 0xb2);
1146 
1147 	if (camera && camera_on)
1148 		sonypi_camera_on();
1149 }
1150 
1151 static int sonypi_disable(void)
1152 {
1153 	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1154 	if (camera)
1155 		sonypi_camera_off();
1156 
1157 	/* disable ACPI mode */
1158 	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1159 		outb(0xf1, 0xb2);
1160 
1161 	switch (sonypi_device.model) {
1162 	case SONYPI_DEVICE_MODEL_TYPE1:
1163 		sonypi_type1_dis();
1164 		break;
1165 	case SONYPI_DEVICE_MODEL_TYPE2:
1166 		sonypi_type2_dis();
1167 		break;
1168 	case SONYPI_DEVICE_MODEL_TYPE3:
1169 		sonypi_type3_dis();
1170 		break;
1171 	}
1172 
1173 	return 0;
1174 }
1175 
1176 #ifdef CONFIG_ACPI
1177 static int sonypi_acpi_add(struct acpi_device *device)
1178 {
1179 	sonypi_acpi_device = device;
1180 	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1181 	strcpy(acpi_device_class(device), "sony/hotkey");
1182 	return 0;
1183 }
1184 
1185 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1186 {
1187 	sonypi_acpi_device = NULL;
1188 	return 0;
1189 }
1190 
1191 static struct acpi_driver sonypi_acpi_driver = {
1192 	.name           = "sonypi",
1193 	.class          = "hkey",
1194 	.ids            = "SNY6001",
1195 	.ops            = {
1196 		           .add = sonypi_acpi_add,
1197 			   .remove = sonypi_acpi_remove,
1198 	},
1199 };
1200 #endif
1201 
1202 static int __devinit sonypi_create_input_devices(void)
1203 {
1204 	struct input_dev *jog_dev;
1205 	struct input_dev *key_dev;
1206 	int i;
1207 	int error;
1208 
1209 	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1210 	if (!jog_dev)
1211 		return -ENOMEM;
1212 
1213 	jog_dev->name = "Sony Vaio Jogdial";
1214 	jog_dev->id.bustype = BUS_ISA;
1215 	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1216 
1217 	jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1218 	jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1219 	jog_dev->relbit[0] = BIT(REL_WHEEL);
1220 
1221 	sonypi_device.input_key_dev = key_dev = input_allocate_device();
1222 	if (!key_dev) {
1223 		error = -ENOMEM;
1224 		goto err_free_jogdev;
1225 	}
1226 
1227 	key_dev->name = "Sony Vaio Keys";
1228 	key_dev->id.bustype = BUS_ISA;
1229 	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1230 
1231 	/* Initialize the Input Drivers: special keys */
1232 	key_dev->evbit[0] = BIT(EV_KEY);
1233 	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1234 		if (sonypi_inputkeys[i].inputev)
1235 			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1236 
1237 	error = input_register_device(jog_dev);
1238 	if (error)
1239 		goto err_free_keydev;
1240 
1241 	error = input_register_device(key_dev);
1242 	if (error)
1243 		goto err_unregister_jogdev;
1244 
1245 	return 0;
1246 
1247  err_unregister_jogdev:
1248 	input_unregister_device(jog_dev);
1249 	/* Set to NULL so we don't free it again below */
1250 	jog_dev = NULL;
1251  err_free_keydev:
1252 	input_free_device(key_dev);
1253 	sonypi_device.input_key_dev = NULL;
1254  err_free_jogdev:
1255 	input_free_device(jog_dev);
1256 	sonypi_device.input_jog_dev = NULL;
1257 
1258 	return error;
1259 }
1260 
1261 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1262 				const struct sonypi_ioport_list *ioport_list)
1263 {
1264 	while (ioport_list->port1) {
1265 
1266 		if (request_region(ioport_list->port1,
1267 				   sonypi_device.region_size,
1268 				   "Sony Programable I/O Device")) {
1269 			dev->ioport1 = ioport_list->port1;
1270 			dev->ioport2 = ioport_list->port2;
1271 			return 0;
1272 		}
1273 		ioport_list++;
1274 	}
1275 
1276 	return -EBUSY;
1277 }
1278 
1279 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1280 				      const struct sonypi_irq_list *irq_list)
1281 {
1282 	while (irq_list->irq) {
1283 
1284 		if (!request_irq(irq_list->irq, sonypi_irq,
1285 				 IRQF_SHARED, "sonypi", sonypi_irq)) {
1286 			dev->irq = irq_list->irq;
1287 			dev->bits = irq_list->bits;
1288 			return 0;
1289 		}
1290 		irq_list++;
1291 	}
1292 
1293 	return -EBUSY;
1294 }
1295 
1296 static void __devinit sonypi_display_info(void)
1297 {
1298 	printk(KERN_INFO "sonypi: detected type%d model, "
1299 	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1300 	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1301 	       sonypi_device.model,
1302 	       verbose,
1303 	       fnkeyinit ? "on" : "off",
1304 	       camera ? "on" : "off",
1305 	       compat ? "on" : "off",
1306 	       mask,
1307 	       useinput ? "on" : "off",
1308 	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1309 	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1310 	       sonypi_device.irq,
1311 	       sonypi_device.ioport1, sonypi_device.ioport2);
1312 
1313 	if (minor == -1)
1314 		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1315 		       sonypi_misc_device.minor);
1316 }
1317 
1318 static int __devinit sonypi_probe(struct platform_device *dev)
1319 {
1320 	const struct sonypi_ioport_list *ioport_list;
1321 	const struct sonypi_irq_list *irq_list;
1322 	struct pci_dev *pcidev;
1323 	int error;
1324 
1325 	spin_lock_init(&sonypi_device.fifo_lock);
1326 	sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1327 					 &sonypi_device.fifo_lock);
1328 	if (IS_ERR(sonypi_device.fifo)) {
1329 		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1330 		return PTR_ERR(sonypi_device.fifo);
1331 	}
1332 
1333 	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1334 	init_MUTEX(&sonypi_device.lock);
1335 	sonypi_device.bluetooth_power = -1;
1336 
1337 	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1338 				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1339 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1340 	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1341 					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1342 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1343 	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1344 					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1345 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1346 	else
1347 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1348 
1349 	if (pcidev && pci_enable_device(pcidev)) {
1350 		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1351 		error = -EIO;
1352 		goto err_put_pcidev;
1353 	}
1354 
1355 	sonypi_device.dev = pcidev;
1356 
1357 	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1358 		ioport_list = sonypi_type1_ioport_list;
1359 		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1360 		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1361 		irq_list = sonypi_type1_irq_list;
1362 	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1363 		ioport_list = sonypi_type2_ioport_list;
1364 		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1365 		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1366 		irq_list = sonypi_type2_irq_list;
1367 	} else {
1368 		ioport_list = sonypi_type3_ioport_list;
1369 		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1370 		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1371 		irq_list = sonypi_type3_irq_list;
1372 	}
1373 
1374 	error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1375 	if (error) {
1376 		printk(KERN_ERR "sonypi: failed to request ioports\n");
1377 		goto err_disable_pcidev;
1378 	}
1379 
1380 	error = sonypi_setup_irq(&sonypi_device, irq_list);
1381 	if (error) {
1382 		printk(KERN_ERR "sonypi: request_irq failed\n");
1383 		goto err_free_ioports;
1384 	}
1385 
1386 	if (minor != -1)
1387 		sonypi_misc_device.minor = minor;
1388 	error = misc_register(&sonypi_misc_device);
1389 	if (error) {
1390 		printk(KERN_ERR "sonypi: misc_register failed\n");
1391 		goto err_free_irq;
1392 	}
1393 
1394 	sonypi_display_info();
1395 
1396 	if (useinput) {
1397 
1398 		error = sonypi_create_input_devices();
1399 		if (error) {
1400 			printk(KERN_ERR
1401 				"sonypi: failed to create input devices\n");
1402 			goto err_miscdev_unregister;
1403 		}
1404 
1405 		spin_lock_init(&sonypi_device.input_fifo_lock);
1406 		sonypi_device.input_fifo =
1407 			kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1408 				    &sonypi_device.input_fifo_lock);
1409 		if (IS_ERR(sonypi_device.input_fifo)) {
1410 			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1411 			error = PTR_ERR(sonypi_device.input_fifo);
1412 			goto err_inpdev_unregister;
1413 		}
1414 
1415 		INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1416 	}
1417 
1418 	sonypi_enable(0);
1419 
1420 	return 0;
1421 
1422  err_inpdev_unregister:
1423 	input_unregister_device(sonypi_device.input_key_dev);
1424 	input_unregister_device(sonypi_device.input_jog_dev);
1425  err_miscdev_unregister:
1426 	misc_deregister(&sonypi_misc_device);
1427  err_free_irq:
1428 	free_irq(sonypi_device.irq, sonypi_irq);
1429  err_free_ioports:
1430 	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1431  err_disable_pcidev:
1432 	if (pcidev)
1433 		pci_disable_device(pcidev);
1434  err_put_pcidev:
1435 	pci_dev_put(pcidev);
1436 	kfifo_free(sonypi_device.fifo);
1437 
1438 	return error;
1439 }
1440 
1441 static int __devexit sonypi_remove(struct platform_device *dev)
1442 {
1443 	sonypi_disable();
1444 
1445 	synchronize_sched();  /* Allow sonypi interrupt to complete. */
1446 	flush_scheduled_work();
1447 
1448 	if (useinput) {
1449 		input_unregister_device(sonypi_device.input_key_dev);
1450 		input_unregister_device(sonypi_device.input_jog_dev);
1451 		kfifo_free(sonypi_device.input_fifo);
1452 	}
1453 
1454 	misc_deregister(&sonypi_misc_device);
1455 
1456 	free_irq(sonypi_device.irq, sonypi_irq);
1457 	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1458 
1459 	if (sonypi_device.dev) {
1460 		pci_disable_device(sonypi_device.dev);
1461 		pci_dev_put(sonypi_device.dev);
1462 	}
1463 
1464 	kfifo_free(sonypi_device.fifo);
1465 
1466 	return 0;
1467 }
1468 
1469 #ifdef CONFIG_PM
1470 static int old_camera_power;
1471 
1472 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1473 {
1474 	old_camera_power = sonypi_device.camera_power;
1475 	sonypi_disable();
1476 
1477 	return 0;
1478 }
1479 
1480 static int sonypi_resume(struct platform_device *dev)
1481 {
1482 	sonypi_enable(old_camera_power);
1483 	return 0;
1484 }
1485 #else
1486 #define sonypi_suspend	NULL
1487 #define sonypi_resume	NULL
1488 #endif
1489 
1490 static void sonypi_shutdown(struct platform_device *dev)
1491 {
1492 	sonypi_disable();
1493 }
1494 
1495 static struct platform_driver sonypi_driver = {
1496 	.driver		= {
1497 		.name	= "sonypi",
1498 		.owner	= THIS_MODULE,
1499 	},
1500 	.probe		= sonypi_probe,
1501 	.remove		= __devexit_p(sonypi_remove),
1502 	.shutdown	= sonypi_shutdown,
1503 	.suspend	= sonypi_suspend,
1504 	.resume		= sonypi_resume,
1505 };
1506 
1507 static struct platform_device *sonypi_platform_device;
1508 
1509 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1510 	{
1511 		.ident = "Sony Vaio",
1512 		.matches = {
1513 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1514 			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1515 		},
1516 	},
1517 	{
1518 		.ident = "Sony Vaio",
1519 		.matches = {
1520 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1521 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1522 		},
1523 	},
1524 	{ }
1525 };
1526 
1527 static int __init sonypi_init(void)
1528 {
1529 	int error;
1530 
1531 	printk(KERN_INFO
1532 		"sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1533 		SONYPI_DRIVER_VERSION);
1534 
1535 	if (!dmi_check_system(sonypi_dmi_table))
1536 		return -ENODEV;
1537 
1538 	error = platform_driver_register(&sonypi_driver);
1539 	if (error)
1540 		return error;
1541 
1542 	sonypi_platform_device = platform_device_alloc("sonypi", -1);
1543 	if (!sonypi_platform_device) {
1544 		error = -ENOMEM;
1545 		goto err_driver_unregister;
1546 	}
1547 
1548 	error = platform_device_add(sonypi_platform_device);
1549 	if (error)
1550 		goto err_free_device;
1551 
1552 #ifdef CONFIG_ACPI
1553 	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1554 		acpi_driver_registered = 1;
1555 #endif
1556 
1557 	return 0;
1558 
1559  err_free_device:
1560 	platform_device_put(sonypi_platform_device);
1561  err_driver_unregister:
1562 	platform_driver_unregister(&sonypi_driver);
1563 	return error;
1564 }
1565 
1566 static void __exit sonypi_exit(void)
1567 {
1568 #ifdef CONFIG_ACPI
1569 	if (acpi_driver_registered)
1570 		acpi_bus_unregister_driver(&sonypi_acpi_driver);
1571 #endif
1572 	platform_device_unregister(sonypi_platform_device);
1573 	platform_driver_unregister(&sonypi_driver);
1574 	printk(KERN_INFO "sonypi: removed.\n");
1575 }
1576 
1577 module_init(sonypi_init);
1578 module_exit(sonypi_exit);
1579