xref: /openbmc/linux/drivers/char/sonypi.c (revision b04b4f78)
1 /*
2  * Sony Programmable I/O Control Device driver for VAIO
3  *
4  * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
5  *
6  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
7  *
8  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
9  *
10  * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
11  *
12  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
13  *
14  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
15  *
16  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
17  *
18  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
19  *
20  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
21  *
22  * This program is free software; you can redistribute it and/or modify
23  * it under the terms of the GNU General Public License as published by
24  * the Free Software Foundation; either version 2 of the License, or
25  * (at your option) any later version.
26  *
27  * This program is distributed in the hope that it will be useful,
28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
30  * GNU General Public License for more details.
31  *
32  * You should have received a copy of the GNU General Public License
33  * along with this program; if not, write to the Free Software
34  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
35  *
36  */
37 
38 #include <linux/module.h>
39 #include <linux/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 #include <linux/smp_lock.h>
53 
54 #include <asm/uaccess.h>
55 #include <asm/io.h>
56 #include <asm/system.h>
57 
58 #include <linux/sonypi.h>
59 
60 #define SONYPI_DRIVER_VERSION	 "1.26"
61 
62 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
63 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
64 MODULE_LICENSE("GPL");
65 MODULE_VERSION(SONYPI_DRIVER_VERSION);
66 
67 static int minor = -1;
68 module_param(minor, int, 0);
69 MODULE_PARM_DESC(minor,
70 		 "minor number of the misc device, default is -1 (automatic)");
71 
72 static int verbose;		/* = 0 */
73 module_param(verbose, int, 0644);
74 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
75 
76 static int fnkeyinit;		/* = 0 */
77 module_param(fnkeyinit, int, 0444);
78 MODULE_PARM_DESC(fnkeyinit,
79 		 "set this if your Fn keys do not generate any event");
80 
81 static int camera;		/* = 0 */
82 module_param(camera, int, 0444);
83 MODULE_PARM_DESC(camera,
84 		 "set this if you have a MotionEye camera (PictureBook series)");
85 
86 static int compat;		/* = 0 */
87 module_param(compat, int, 0444);
88 MODULE_PARM_DESC(compat,
89 		 "set this if you want to enable backward compatibility mode");
90 
91 static unsigned long mask = 0xffffffff;
92 module_param(mask, ulong, 0644);
93 MODULE_PARM_DESC(mask,
94 		 "set this to the mask of event you want to enable (see doc)");
95 
96 static int useinput = 1;
97 module_param(useinput, int, 0444);
98 MODULE_PARM_DESC(useinput,
99 		 "set this if you would like sonypi to feed events to the input subsystem");
100 
101 static int check_ioport = 1;
102 module_param(check_ioport, int, 0444);
103 MODULE_PARM_DESC(check_ioport,
104 		 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
105 
106 #define SONYPI_DEVICE_MODEL_TYPE1	1
107 #define SONYPI_DEVICE_MODEL_TYPE2	2
108 #define SONYPI_DEVICE_MODEL_TYPE3	3
109 
110 /* type1 models use those */
111 #define SONYPI_IRQ_PORT			0x8034
112 #define SONYPI_IRQ_SHIFT		22
113 #define SONYPI_TYPE1_BASE		0x50
114 #define SONYPI_G10A			(SONYPI_TYPE1_BASE+0x14)
115 #define SONYPI_TYPE1_REGION_SIZE	0x08
116 #define SONYPI_TYPE1_EVTYPE_OFFSET	0x04
117 
118 /* type2 series specifics */
119 #define SONYPI_SIRQ			0x9b
120 #define SONYPI_SLOB			0x9c
121 #define SONYPI_SHIB			0x9d
122 #define SONYPI_TYPE2_REGION_SIZE	0x20
123 #define SONYPI_TYPE2_EVTYPE_OFFSET	0x12
124 
125 /* type3 series specifics */
126 #define SONYPI_TYPE3_BASE		0x40
127 #define SONYPI_TYPE3_GID2		(SONYPI_TYPE3_BASE+0x48) /* 16 bits */
128 #define SONYPI_TYPE3_MISC		(SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
129 #define SONYPI_TYPE3_REGION_SIZE	0x20
130 #define SONYPI_TYPE3_EVTYPE_OFFSET	0x12
131 
132 /* battery / brightness addresses */
133 #define SONYPI_BAT_FLAGS	0x81
134 #define SONYPI_LCD_LIGHT	0x96
135 #define SONYPI_BAT1_PCTRM	0xa0
136 #define SONYPI_BAT1_LEFT	0xa2
137 #define SONYPI_BAT1_MAXRT	0xa4
138 #define SONYPI_BAT2_PCTRM	0xa8
139 #define SONYPI_BAT2_LEFT	0xaa
140 #define SONYPI_BAT2_MAXRT	0xac
141 #define SONYPI_BAT1_MAXTK	0xb0
142 #define SONYPI_BAT1_FULL	0xb2
143 #define SONYPI_BAT2_MAXTK	0xb8
144 #define SONYPI_BAT2_FULL	0xba
145 
146 /* FAN0 information (reverse engineered from ACPI tables) */
147 #define SONYPI_FAN0_STATUS	0x93
148 #define SONYPI_TEMP_STATUS	0xC1
149 
150 /* ioports used for brightness and type2 events */
151 #define SONYPI_DATA_IOPORT	0x62
152 #define SONYPI_CST_IOPORT	0x66
153 
154 /* The set of possible ioports */
155 struct sonypi_ioport_list {
156 	u16	port1;
157 	u16	port2;
158 };
159 
160 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
161 	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
162 	{ 0x1080, 0x1084 },
163 	{ 0x1090, 0x1094 },
164 	{ 0x10a0, 0x10a4 },
165 	{ 0x10b0, 0x10b4 },
166 	{ 0x0, 0x0 }
167 };
168 
169 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
170 	{ 0x1080, 0x1084 },
171 	{ 0x10a0, 0x10a4 },
172 	{ 0x10c0, 0x10c4 },
173 	{ 0x10e0, 0x10e4 },
174 	{ 0x0, 0x0 }
175 };
176 
177 /* same as in type 2 models */
178 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
179 	sonypi_type2_ioport_list;
180 
181 /* The set of possible interrupts */
182 struct sonypi_irq_list {
183 	u16	irq;
184 	u16	bits;
185 };
186 
187 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
188 	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
189 	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
190 	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
191 	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
192 };
193 
194 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
195 	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
196 	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
197 	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
198 	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
199 	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
200 };
201 
202 /* same as in type2 models */
203 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
204 
205 #define SONYPI_CAMERA_BRIGHTNESS		0
206 #define SONYPI_CAMERA_CONTRAST			1
207 #define SONYPI_CAMERA_HUE			2
208 #define SONYPI_CAMERA_COLOR			3
209 #define SONYPI_CAMERA_SHARPNESS			4
210 
211 #define SONYPI_CAMERA_PICTURE			5
212 #define SONYPI_CAMERA_EXPOSURE_MASK		0xC
213 #define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
214 #define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
215 #define SONYPI_CAMERA_MUTE_MASK			0x40
216 
217 /* the rest don't need a loop until not 0xff */
218 #define SONYPI_CAMERA_AGC			6
219 #define SONYPI_CAMERA_AGC_MASK			0x30
220 #define SONYPI_CAMERA_SHUTTER_MASK 		0x7
221 
222 #define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
223 #define SONYPI_CAMERA_CONTROL			0x10
224 
225 #define SONYPI_CAMERA_STATUS 			7
226 #define SONYPI_CAMERA_STATUS_READY 		0x2
227 #define SONYPI_CAMERA_STATUS_POSITION		0x4
228 
229 #define SONYPI_DIRECTION_BACKWARDS 		0x4
230 
231 #define SONYPI_CAMERA_REVISION 			8
232 #define SONYPI_CAMERA_ROMVERSION 		9
233 
234 /* Event masks */
235 #define SONYPI_JOGGER_MASK			0x00000001
236 #define SONYPI_CAPTURE_MASK			0x00000002
237 #define SONYPI_FNKEY_MASK			0x00000004
238 #define SONYPI_BLUETOOTH_MASK			0x00000008
239 #define SONYPI_PKEY_MASK			0x00000010
240 #define SONYPI_BACK_MASK			0x00000020
241 #define SONYPI_HELP_MASK			0x00000040
242 #define SONYPI_LID_MASK				0x00000080
243 #define SONYPI_ZOOM_MASK			0x00000100
244 #define SONYPI_THUMBPHRASE_MASK			0x00000200
245 #define SONYPI_MEYE_MASK			0x00000400
246 #define SONYPI_MEMORYSTICK_MASK			0x00000800
247 #define SONYPI_BATTERY_MASK			0x00001000
248 #define SONYPI_WIRELESS_MASK			0x00002000
249 
250 struct sonypi_event {
251 	u8	data;
252 	u8	event;
253 };
254 
255 /* The set of possible button release events */
256 static struct sonypi_event sonypi_releaseev[] = {
257 	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
258 	{ 0, 0 }
259 };
260 
261 /* The set of possible jogger events  */
262 static struct sonypi_event sonypi_joggerev[] = {
263 	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
264 	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
265 	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
266 	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
267 	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
268 	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
269 	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
270 	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
271 	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
272 	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
273 	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
274 	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
275 	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
276 	{ 0, 0 }
277 };
278 
279 /* The set of possible capture button events */
280 static struct sonypi_event sonypi_captureev[] = {
281 	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
282 	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
283 	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
284 	{ 0, 0 }
285 };
286 
287 /* The set of possible fnkeys events */
288 static struct sonypi_event sonypi_fnkeyev[] = {
289 	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
290 	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
291 	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
292 	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
293 	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
294 	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
295 	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
296 	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
297 	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
298 	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
299 	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
300 	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
301 	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
302 	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
303 	{ 0x21, SONYPI_EVENT_FNKEY_1 },
304 	{ 0x22, SONYPI_EVENT_FNKEY_2 },
305 	{ 0x31, SONYPI_EVENT_FNKEY_D },
306 	{ 0x32, SONYPI_EVENT_FNKEY_E },
307 	{ 0x33, SONYPI_EVENT_FNKEY_F },
308 	{ 0x34, SONYPI_EVENT_FNKEY_S },
309 	{ 0x35, SONYPI_EVENT_FNKEY_B },
310 	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
311 	{ 0, 0 }
312 };
313 
314 /* The set of possible program key events */
315 static struct sonypi_event sonypi_pkeyev[] = {
316 	{ 0x01, SONYPI_EVENT_PKEY_P1 },
317 	{ 0x02, SONYPI_EVENT_PKEY_P2 },
318 	{ 0x04, SONYPI_EVENT_PKEY_P3 },
319 	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
320 	{ 0, 0 }
321 };
322 
323 /* The set of possible bluetooth events */
324 static struct sonypi_event sonypi_blueev[] = {
325 	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
326 	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
327 	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
328 	{ 0, 0 }
329 };
330 
331 /* The set of possible wireless events */
332 static struct sonypi_event sonypi_wlessev[] = {
333 	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
334 	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
335 	{ 0, 0 }
336 };
337 
338 /* The set of possible back button events */
339 static struct sonypi_event sonypi_backev[] = {
340 	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
341 	{ 0, 0 }
342 };
343 
344 /* The set of possible help button events */
345 static struct sonypi_event sonypi_helpev[] = {
346 	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
347 	{ 0, 0 }
348 };
349 
350 
351 /* The set of possible lid events */
352 static struct sonypi_event sonypi_lidev[] = {
353 	{ 0x51, SONYPI_EVENT_LID_CLOSED },
354 	{ 0x50, SONYPI_EVENT_LID_OPENED },
355 	{ 0, 0 }
356 };
357 
358 /* The set of possible zoom events */
359 static struct sonypi_event sonypi_zoomev[] = {
360 	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
361 	{ 0, 0 }
362 };
363 
364 /* The set of possible thumbphrase events */
365 static struct sonypi_event sonypi_thumbphraseev[] = {
366 	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
367 	{ 0, 0 }
368 };
369 
370 /* The set of possible motioneye camera events */
371 static struct sonypi_event sonypi_meyeev[] = {
372 	{ 0x00, SONYPI_EVENT_MEYE_FACE },
373 	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
374 	{ 0, 0 }
375 };
376 
377 /* The set of possible memorystick events */
378 static struct sonypi_event sonypi_memorystickev[] = {
379 	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
380 	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
381 	{ 0, 0 }
382 };
383 
384 /* The set of possible battery events */
385 static struct sonypi_event sonypi_batteryev[] = {
386 	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
387 	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
388 	{ 0, 0 }
389 };
390 
391 static struct sonypi_eventtypes {
392 	int			model;
393 	u8			data;
394 	unsigned long		mask;
395 	struct sonypi_event *	events;
396 } sonypi_eventtypes[] = {
397 	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
398 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
399 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
400 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
401 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
402 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
403 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
404 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
405 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
406 	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
407 
408 	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
409 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
410 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
411 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
412 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
413 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
414 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
415 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
416 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
417 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
418 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
419 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
420 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
421 	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
422 
423 	{ SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
424 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
425 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
426 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
427 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
428 	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
429 	{ 0 }
430 };
431 
432 #define SONYPI_BUF_SIZE	128
433 
434 /* Correspondance table between sonypi events and input layer events */
435 static struct {
436 	int sonypiev;
437 	int inputev;
438 } sonypi_inputkeys[] = {
439 	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
440 	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
441 	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
442 	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
443 	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
444 	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
445 	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
446 	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
447 	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
448 	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
449 	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
450 	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
451 	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
452 	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
453 	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
454 	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
455 	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
456 	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
457 	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
458 	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
459 	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
460 	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
461 	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
462 	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
463 	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
464 	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
465 	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
466 	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
467 	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
468 	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
469 	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
470 	{ 0, 0 },
471 };
472 
473 struct sonypi_keypress {
474 	struct input_dev *dev;
475 	int key;
476 };
477 
478 static struct sonypi_device {
479 	struct pci_dev *dev;
480 	u16 irq;
481 	u16 bits;
482 	u16 ioport1;
483 	u16 ioport2;
484 	u16 region_size;
485 	u16 evtype_offset;
486 	int camera_power;
487 	int bluetooth_power;
488 	struct mutex lock;
489 	struct kfifo *fifo;
490 	spinlock_t fifo_lock;
491 	wait_queue_head_t fifo_proc_list;
492 	struct fasync_struct *fifo_async;
493 	int open_count;
494 	int model;
495 	struct input_dev *input_jog_dev;
496 	struct input_dev *input_key_dev;
497 	struct work_struct input_work;
498 	struct kfifo *input_fifo;
499 	spinlock_t input_fifo_lock;
500 } sonypi_device;
501 
502 #define ITERATIONS_LONG		10000
503 #define ITERATIONS_SHORT	10
504 
505 #define wait_on_command(quiet, command, iterations) { \
506 	unsigned int n = iterations; \
507 	while (--n && (command)) \
508 		udelay(1); \
509 	if (!n && (verbose || !quiet)) \
510 		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
511 }
512 
513 #ifdef CONFIG_ACPI
514 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
515 #else
516 #define SONYPI_ACPI_ACTIVE 0
517 #endif				/* CONFIG_ACPI */
518 
519 #ifdef CONFIG_ACPI
520 static struct acpi_device *sonypi_acpi_device;
521 static int acpi_driver_registered;
522 #endif
523 
524 static int sonypi_ec_write(u8 addr, u8 value)
525 {
526 #ifdef CONFIG_ACPI
527 	if (SONYPI_ACPI_ACTIVE)
528 		return ec_write(addr, value);
529 #endif
530 	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
531 	outb_p(0x81, SONYPI_CST_IOPORT);
532 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
533 	outb_p(addr, SONYPI_DATA_IOPORT);
534 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
535 	outb_p(value, SONYPI_DATA_IOPORT);
536 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
537 	return 0;
538 }
539 
540 static int sonypi_ec_read(u8 addr, u8 *value)
541 {
542 #ifdef CONFIG_ACPI
543 	if (SONYPI_ACPI_ACTIVE)
544 		return ec_read(addr, value);
545 #endif
546 	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
547 	outb_p(0x80, SONYPI_CST_IOPORT);
548 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
549 	outb_p(addr, SONYPI_DATA_IOPORT);
550 	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
551 	*value = inb_p(SONYPI_DATA_IOPORT);
552 	return 0;
553 }
554 
555 static int ec_read16(u8 addr, u16 *value)
556 {
557 	u8 val_lb, val_hb;
558 	if (sonypi_ec_read(addr, &val_lb))
559 		return -1;
560 	if (sonypi_ec_read(addr + 1, &val_hb))
561 		return -1;
562 	*value = val_lb | (val_hb << 8);
563 	return 0;
564 }
565 
566 /* Initializes the device - this comes from the AML code in the ACPI bios */
567 static void sonypi_type1_srs(void)
568 {
569 	u32 v;
570 
571 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
572 	v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
573 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
574 
575 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
576 	v = (v & 0xFFF0FFFF) |
577 	    (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
578 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
579 
580 	v = inl(SONYPI_IRQ_PORT);
581 	v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
582 	v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
583 	outl(v, SONYPI_IRQ_PORT);
584 
585 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
586 	v = (v & 0xFF1FFFFF) | 0x00C00000;
587 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
588 }
589 
590 static void sonypi_type2_srs(void)
591 {
592 	if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
593 		printk(KERN_WARNING "ec_write failed\n");
594 	if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
595 		printk(KERN_WARNING "ec_write failed\n");
596 	if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
597 		printk(KERN_WARNING "ec_write failed\n");
598 	udelay(10);
599 }
600 
601 static void sonypi_type3_srs(void)
602 {
603 	u16 v16;
604 	u8  v8;
605 
606 	/* This model type uses the same initialiazation of
607 	 * the embedded controller as the type2 models. */
608 	sonypi_type2_srs();
609 
610 	/* Initialization of PCI config space of the LPC interface bridge. */
611 	v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
612 	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
613 	pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
614 	v8 = (v8 & 0xCF) | 0x10;
615 	pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
616 }
617 
618 /* Disables the device - this comes from the AML code in the ACPI bios */
619 static void sonypi_type1_dis(void)
620 {
621 	u32 v;
622 
623 	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
624 	v = v & 0xFF3FFFFF;
625 	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
626 
627 	v = inl(SONYPI_IRQ_PORT);
628 	v |= (0x3 << SONYPI_IRQ_SHIFT);
629 	outl(v, SONYPI_IRQ_PORT);
630 }
631 
632 static void sonypi_type2_dis(void)
633 {
634 	if (sonypi_ec_write(SONYPI_SHIB, 0))
635 		printk(KERN_WARNING "ec_write failed\n");
636 	if (sonypi_ec_write(SONYPI_SLOB, 0))
637 		printk(KERN_WARNING "ec_write failed\n");
638 	if (sonypi_ec_write(SONYPI_SIRQ, 0))
639 		printk(KERN_WARNING "ec_write failed\n");
640 }
641 
642 static void sonypi_type3_dis(void)
643 {
644 	sonypi_type2_dis();
645 	udelay(10);
646 	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
647 }
648 
649 static u8 sonypi_call1(u8 dev)
650 {
651 	u8 v1, v2;
652 
653 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
654 	outb(dev, sonypi_device.ioport2);
655 	v1 = inb_p(sonypi_device.ioport2);
656 	v2 = inb_p(sonypi_device.ioport1);
657 	return v2;
658 }
659 
660 static u8 sonypi_call2(u8 dev, u8 fn)
661 {
662 	u8 v1;
663 
664 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
665 	outb(dev, sonypi_device.ioport2);
666 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
667 	outb(fn, sonypi_device.ioport1);
668 	v1 = inb_p(sonypi_device.ioport1);
669 	return v1;
670 }
671 
672 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
673 {
674 	u8 v1;
675 
676 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
677 	outb(dev, sonypi_device.ioport2);
678 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
679 	outb(fn, sonypi_device.ioport1);
680 	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
681 	outb(v, sonypi_device.ioport1);
682 	v1 = inb_p(sonypi_device.ioport1);
683 	return v1;
684 }
685 
686 #if 0
687 /* Get brightness, hue etc. Unreliable... */
688 static u8 sonypi_read(u8 fn)
689 {
690 	u8 v1, v2;
691 	int n = 100;
692 
693 	while (n--) {
694 		v1 = sonypi_call2(0x8f, fn);
695 		v2 = sonypi_call2(0x8f, fn);
696 		if (v1 == v2 && v1 != 0xff)
697 			return v1;
698 	}
699 	return 0xff;
700 }
701 #endif
702 
703 /* Set brightness, hue etc */
704 static void sonypi_set(u8 fn, u8 v)
705 {
706 	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
707 }
708 
709 /* Tests if the camera is ready */
710 static int sonypi_camera_ready(void)
711 {
712 	u8 v;
713 
714 	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
715 	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
716 }
717 
718 /* Turns the camera off */
719 static void sonypi_camera_off(void)
720 {
721 	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
722 
723 	if (!sonypi_device.camera_power)
724 		return;
725 
726 	sonypi_call2(0x91, 0);
727 	sonypi_device.camera_power = 0;
728 }
729 
730 /* Turns the camera on */
731 static void sonypi_camera_on(void)
732 {
733 	int i, j;
734 
735 	if (sonypi_device.camera_power)
736 		return;
737 
738 	for (j = 5; j > 0; j--) {
739 
740 		while (sonypi_call2(0x91, 0x1))
741 			msleep(10);
742 		sonypi_call1(0x93);
743 
744 		for (i = 400; i > 0; i--) {
745 			if (sonypi_camera_ready())
746 				break;
747 			msleep(10);
748 		}
749 		if (i)
750 			break;
751 	}
752 
753 	if (j == 0) {
754 		printk(KERN_WARNING "sonypi: failed to power on camera\n");
755 		return;
756 	}
757 
758 	sonypi_set(0x10, 0x5a);
759 	sonypi_device.camera_power = 1;
760 }
761 
762 /* sets the bluetooth subsystem power state */
763 static void sonypi_setbluetoothpower(u8 state)
764 {
765 	state = !!state;
766 
767 	if (sonypi_device.bluetooth_power == state)
768 		return;
769 
770 	sonypi_call2(0x96, state);
771 	sonypi_call1(0x82);
772 	sonypi_device.bluetooth_power = state;
773 }
774 
775 static void input_keyrelease(struct work_struct *work)
776 {
777 	struct sonypi_keypress kp;
778 
779 	while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
780 			 sizeof(kp)) == sizeof(kp)) {
781 		msleep(10);
782 		input_report_key(kp.dev, kp.key, 0);
783 		input_sync(kp.dev);
784 	}
785 }
786 
787 static void sonypi_report_input_event(u8 event)
788 {
789 	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
790 	struct input_dev *key_dev = sonypi_device.input_key_dev;
791 	struct sonypi_keypress kp = { NULL };
792 	int i;
793 
794 	switch (event) {
795 	case SONYPI_EVENT_JOGDIAL_UP:
796 	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
797 		input_report_rel(jog_dev, REL_WHEEL, 1);
798 		input_sync(jog_dev);
799 		break;
800 
801 	case SONYPI_EVENT_JOGDIAL_DOWN:
802 	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
803 		input_report_rel(jog_dev, REL_WHEEL, -1);
804 		input_sync(jog_dev);
805 		break;
806 
807 	case SONYPI_EVENT_JOGDIAL_PRESSED:
808 		kp.key = BTN_MIDDLE;
809 		kp.dev = jog_dev;
810 		break;
811 
812 	case SONYPI_EVENT_FNKEY_RELEASED:
813 		/* Nothing, not all VAIOs generate this event */
814 		break;
815 
816 	default:
817 		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
818 			if (event == sonypi_inputkeys[i].sonypiev) {
819 				kp.dev = key_dev;
820 				kp.key = sonypi_inputkeys[i].inputev;
821 				break;
822 			}
823 		break;
824 	}
825 
826 	if (kp.dev) {
827 		input_report_key(kp.dev, kp.key, 1);
828 		input_sync(kp.dev);
829 		kfifo_put(sonypi_device.input_fifo,
830 			  (unsigned char *)&kp, sizeof(kp));
831 		schedule_work(&sonypi_device.input_work);
832 	}
833 }
834 
835 /* Interrupt handler: some event is available */
836 static irqreturn_t sonypi_irq(int irq, void *dev_id)
837 {
838 	u8 v1, v2, event = 0;
839 	int i, j;
840 
841 	v1 = inb_p(sonypi_device.ioport1);
842 	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
843 
844 	for (i = 0; sonypi_eventtypes[i].model; i++) {
845 		if (sonypi_device.model != sonypi_eventtypes[i].model)
846 			continue;
847 		if ((v2 & sonypi_eventtypes[i].data) !=
848 		    sonypi_eventtypes[i].data)
849 			continue;
850 		if (!(mask & sonypi_eventtypes[i].mask))
851 			continue;
852 		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
853 			if (v1 == sonypi_eventtypes[i].events[j].data) {
854 				event = sonypi_eventtypes[i].events[j].event;
855 				goto found;
856 			}
857 		}
858 	}
859 
860 	if (verbose)
861 		printk(KERN_WARNING
862 		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
863 		       v1, v2);
864 	/* We need to return IRQ_HANDLED here because there *are*
865 	 * events belonging to the sonypi device we don't know about,
866 	 * but we still don't want those to pollute the logs... */
867 	return IRQ_HANDLED;
868 
869 found:
870 	if (verbose > 1)
871 		printk(KERN_INFO
872 		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
873 
874 	if (useinput)
875 		sonypi_report_input_event(event);
876 
877 #ifdef CONFIG_ACPI
878 	if (sonypi_acpi_device)
879 		acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
880 #endif
881 
882 	kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
883 	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
884 	wake_up_interruptible(&sonypi_device.fifo_proc_list);
885 
886 	return IRQ_HANDLED;
887 }
888 
889 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
890 {
891 	return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
892 }
893 
894 static int sonypi_misc_release(struct inode *inode, struct file *file)
895 {
896 	mutex_lock(&sonypi_device.lock);
897 	sonypi_device.open_count--;
898 	mutex_unlock(&sonypi_device.lock);
899 	return 0;
900 }
901 
902 static int sonypi_misc_open(struct inode *inode, struct file *file)
903 {
904 	lock_kernel();
905 	mutex_lock(&sonypi_device.lock);
906 	/* Flush input queue on first open */
907 	if (!sonypi_device.open_count)
908 		kfifo_reset(sonypi_device.fifo);
909 	sonypi_device.open_count++;
910 	mutex_unlock(&sonypi_device.lock);
911 	unlock_kernel();
912 	return 0;
913 }
914 
915 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
916 				size_t count, loff_t *pos)
917 {
918 	ssize_t ret;
919 	unsigned char c;
920 
921 	if ((kfifo_len(sonypi_device.fifo) == 0) &&
922 	    (file->f_flags & O_NONBLOCK))
923 		return -EAGAIN;
924 
925 	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
926 				       kfifo_len(sonypi_device.fifo) != 0);
927 	if (ret)
928 		return ret;
929 
930 	while (ret < count &&
931 	       (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
932 		if (put_user(c, buf++))
933 			return -EFAULT;
934 		ret++;
935 	}
936 
937 	if (ret > 0) {
938 		struct inode *inode = file->f_path.dentry->d_inode;
939 		inode->i_atime = current_fs_time(inode->i_sb);
940 	}
941 
942 	return ret;
943 }
944 
945 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
946 {
947 	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
948 	if (kfifo_len(sonypi_device.fifo))
949 		return POLLIN | POLLRDNORM;
950 	return 0;
951 }
952 
953 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
954 			     unsigned int cmd, unsigned long arg)
955 {
956 	int ret = 0;
957 	void __user *argp = (void __user *)arg;
958 	u8 val8;
959 	u16 val16;
960 
961 	mutex_lock(&sonypi_device.lock);
962 	switch (cmd) {
963 	case SONYPI_IOCGBRT:
964 		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
965 			ret = -EIO;
966 			break;
967 		}
968 		if (copy_to_user(argp, &val8, sizeof(val8)))
969 			ret = -EFAULT;
970 		break;
971 	case SONYPI_IOCSBRT:
972 		if (copy_from_user(&val8, argp, sizeof(val8))) {
973 			ret = -EFAULT;
974 			break;
975 		}
976 		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
977 			ret = -EIO;
978 		break;
979 	case SONYPI_IOCGBAT1CAP:
980 		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
981 			ret = -EIO;
982 			break;
983 		}
984 		if (copy_to_user(argp, &val16, sizeof(val16)))
985 			ret = -EFAULT;
986 		break;
987 	case SONYPI_IOCGBAT1REM:
988 		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
989 			ret = -EIO;
990 			break;
991 		}
992 		if (copy_to_user(argp, &val16, sizeof(val16)))
993 			ret = -EFAULT;
994 		break;
995 	case SONYPI_IOCGBAT2CAP:
996 		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
997 			ret = -EIO;
998 			break;
999 		}
1000 		if (copy_to_user(argp, &val16, sizeof(val16)))
1001 			ret = -EFAULT;
1002 		break;
1003 	case SONYPI_IOCGBAT2REM:
1004 		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1005 			ret = -EIO;
1006 			break;
1007 		}
1008 		if (copy_to_user(argp, &val16, sizeof(val16)))
1009 			ret = -EFAULT;
1010 		break;
1011 	case SONYPI_IOCGBATFLAGS:
1012 		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1013 			ret = -EIO;
1014 			break;
1015 		}
1016 		val8 &= 0x07;
1017 		if (copy_to_user(argp, &val8, sizeof(val8)))
1018 			ret = -EFAULT;
1019 		break;
1020 	case SONYPI_IOCGBLUE:
1021 		val8 = sonypi_device.bluetooth_power;
1022 		if (copy_to_user(argp, &val8, sizeof(val8)))
1023 			ret = -EFAULT;
1024 		break;
1025 	case SONYPI_IOCSBLUE:
1026 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1027 			ret = -EFAULT;
1028 			break;
1029 		}
1030 		sonypi_setbluetoothpower(val8);
1031 		break;
1032 	/* FAN Controls */
1033 	case SONYPI_IOCGFAN:
1034 		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1035 			ret = -EIO;
1036 			break;
1037 		}
1038 		if (copy_to_user(argp, &val8, sizeof(val8)))
1039 			ret = -EFAULT;
1040 		break;
1041 	case SONYPI_IOCSFAN:
1042 		if (copy_from_user(&val8, argp, sizeof(val8))) {
1043 			ret = -EFAULT;
1044 			break;
1045 		}
1046 		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1047 			ret = -EIO;
1048 		break;
1049 	/* GET Temperature (useful under APM) */
1050 	case SONYPI_IOCGTEMP:
1051 		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1052 			ret = -EIO;
1053 			break;
1054 		}
1055 		if (copy_to_user(argp, &val8, sizeof(val8)))
1056 			ret = -EFAULT;
1057 		break;
1058 	default:
1059 		ret = -EINVAL;
1060 	}
1061 	mutex_unlock(&sonypi_device.lock);
1062 	return ret;
1063 }
1064 
1065 static const struct file_operations sonypi_misc_fops = {
1066 	.owner		= THIS_MODULE,
1067 	.read		= sonypi_misc_read,
1068 	.poll		= sonypi_misc_poll,
1069 	.open		= sonypi_misc_open,
1070 	.release	= sonypi_misc_release,
1071 	.fasync		= sonypi_misc_fasync,
1072 	.ioctl		= sonypi_misc_ioctl,
1073 };
1074 
1075 static struct miscdevice sonypi_misc_device = {
1076 	.minor		= MISC_DYNAMIC_MINOR,
1077 	.name		= "sonypi",
1078 	.fops		= &sonypi_misc_fops,
1079 };
1080 
1081 static void sonypi_enable(unsigned int camera_on)
1082 {
1083 	switch (sonypi_device.model) {
1084 	case SONYPI_DEVICE_MODEL_TYPE1:
1085 		sonypi_type1_srs();
1086 		break;
1087 	case SONYPI_DEVICE_MODEL_TYPE2:
1088 		sonypi_type2_srs();
1089 		break;
1090 	case SONYPI_DEVICE_MODEL_TYPE3:
1091 		sonypi_type3_srs();
1092 		break;
1093 	}
1094 
1095 	sonypi_call1(0x82);
1096 	sonypi_call2(0x81, 0xff);
1097 	sonypi_call1(compat ? 0x92 : 0x82);
1098 
1099 	/* Enable ACPI mode to get Fn key events */
1100 	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1101 		outb(0xf0, 0xb2);
1102 
1103 	if (camera && camera_on)
1104 		sonypi_camera_on();
1105 }
1106 
1107 static int sonypi_disable(void)
1108 {
1109 	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1110 	if (camera)
1111 		sonypi_camera_off();
1112 
1113 	/* disable ACPI mode */
1114 	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1115 		outb(0xf1, 0xb2);
1116 
1117 	switch (sonypi_device.model) {
1118 	case SONYPI_DEVICE_MODEL_TYPE1:
1119 		sonypi_type1_dis();
1120 		break;
1121 	case SONYPI_DEVICE_MODEL_TYPE2:
1122 		sonypi_type2_dis();
1123 		break;
1124 	case SONYPI_DEVICE_MODEL_TYPE3:
1125 		sonypi_type3_dis();
1126 		break;
1127 	}
1128 
1129 	return 0;
1130 }
1131 
1132 #ifdef CONFIG_ACPI
1133 static int sonypi_acpi_add(struct acpi_device *device)
1134 {
1135 	sonypi_acpi_device = device;
1136 	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1137 	strcpy(acpi_device_class(device), "sony/hotkey");
1138 	return 0;
1139 }
1140 
1141 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1142 {
1143 	sonypi_acpi_device = NULL;
1144 	return 0;
1145 }
1146 
1147 static const struct acpi_device_id sonypi_device_ids[] = {
1148 	{"SNY6001", 0},
1149 	{"", 0},
1150 };
1151 
1152 static struct acpi_driver sonypi_acpi_driver = {
1153 	.name           = "sonypi",
1154 	.class          = "hkey",
1155 	.ids            = sonypi_device_ids,
1156 	.ops            = {
1157 		           .add = sonypi_acpi_add,
1158 			   .remove = sonypi_acpi_remove,
1159 	},
1160 };
1161 #endif
1162 
1163 static int __devinit sonypi_create_input_devices(struct platform_device *pdev)
1164 {
1165 	struct input_dev *jog_dev;
1166 	struct input_dev *key_dev;
1167 	int i;
1168 	int error;
1169 
1170 	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1171 	if (!jog_dev)
1172 		return -ENOMEM;
1173 
1174 	jog_dev->name = "Sony Vaio Jogdial";
1175 	jog_dev->id.bustype = BUS_ISA;
1176 	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1177 	jog_dev->dev.parent = &pdev->dev;
1178 
1179 	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1180 	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1181 	jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1182 
1183 	sonypi_device.input_key_dev = key_dev = input_allocate_device();
1184 	if (!key_dev) {
1185 		error = -ENOMEM;
1186 		goto err_free_jogdev;
1187 	}
1188 
1189 	key_dev->name = "Sony Vaio Keys";
1190 	key_dev->id.bustype = BUS_ISA;
1191 	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1192 	key_dev->dev.parent = &pdev->dev;
1193 
1194 	/* Initialize the Input Drivers: special keys */
1195 	key_dev->evbit[0] = BIT_MASK(EV_KEY);
1196 	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1197 		if (sonypi_inputkeys[i].inputev)
1198 			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1199 
1200 	error = input_register_device(jog_dev);
1201 	if (error)
1202 		goto err_free_keydev;
1203 
1204 	error = input_register_device(key_dev);
1205 	if (error)
1206 		goto err_unregister_jogdev;
1207 
1208 	return 0;
1209 
1210  err_unregister_jogdev:
1211 	input_unregister_device(jog_dev);
1212 	/* Set to NULL so we don't free it again below */
1213 	jog_dev = NULL;
1214  err_free_keydev:
1215 	input_free_device(key_dev);
1216 	sonypi_device.input_key_dev = NULL;
1217  err_free_jogdev:
1218 	input_free_device(jog_dev);
1219 	sonypi_device.input_jog_dev = NULL;
1220 
1221 	return error;
1222 }
1223 
1224 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1225 				const struct sonypi_ioport_list *ioport_list)
1226 {
1227 	/* try to detect if sony-laptop is being used and thus
1228 	 * has already requested one of the known ioports.
1229 	 * As in the deprecated check_region this is racy has we have
1230 	 * multiple ioports available and one of them can be requested
1231 	 * between this check and the subsequent request. Anyway, as an
1232 	 * attempt to be some more user-friendly as we currently are,
1233 	 * this is enough.
1234 	 */
1235 	const struct sonypi_ioport_list *check = ioport_list;
1236 	while (check_ioport && check->port1) {
1237 		if (!request_region(check->port1,
1238 				   sonypi_device.region_size,
1239 				   "Sony Programable I/O Device Check")) {
1240 			printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1241 					"if not use check_ioport=0\n",
1242 					check->port1);
1243 			return -EBUSY;
1244 		}
1245 		release_region(check->port1, sonypi_device.region_size);
1246 		check++;
1247 	}
1248 
1249 	while (ioport_list->port1) {
1250 
1251 		if (request_region(ioport_list->port1,
1252 				   sonypi_device.region_size,
1253 				   "Sony Programable I/O Device")) {
1254 			dev->ioport1 = ioport_list->port1;
1255 			dev->ioport2 = ioport_list->port2;
1256 			return 0;
1257 		}
1258 		ioport_list++;
1259 	}
1260 
1261 	return -EBUSY;
1262 }
1263 
1264 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1265 				      const struct sonypi_irq_list *irq_list)
1266 {
1267 	while (irq_list->irq) {
1268 
1269 		if (!request_irq(irq_list->irq, sonypi_irq,
1270 				 IRQF_SHARED, "sonypi", sonypi_irq)) {
1271 			dev->irq = irq_list->irq;
1272 			dev->bits = irq_list->bits;
1273 			return 0;
1274 		}
1275 		irq_list++;
1276 	}
1277 
1278 	return -EBUSY;
1279 }
1280 
1281 static void __devinit sonypi_display_info(void)
1282 {
1283 	printk(KERN_INFO "sonypi: detected type%d model, "
1284 	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1285 	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1286 	       sonypi_device.model,
1287 	       verbose,
1288 	       fnkeyinit ? "on" : "off",
1289 	       camera ? "on" : "off",
1290 	       compat ? "on" : "off",
1291 	       mask,
1292 	       useinput ? "on" : "off",
1293 	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1294 	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1295 	       sonypi_device.irq,
1296 	       sonypi_device.ioport1, sonypi_device.ioport2);
1297 
1298 	if (minor == -1)
1299 		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1300 		       sonypi_misc_device.minor);
1301 }
1302 
1303 static int __devinit sonypi_probe(struct platform_device *dev)
1304 {
1305 	const struct sonypi_ioport_list *ioport_list;
1306 	const struct sonypi_irq_list *irq_list;
1307 	struct pci_dev *pcidev;
1308 	int error;
1309 
1310 	printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1311 			"and report failures, see also "
1312 			"http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1313 
1314 	spin_lock_init(&sonypi_device.fifo_lock);
1315 	sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1316 					 &sonypi_device.fifo_lock);
1317 	if (IS_ERR(sonypi_device.fifo)) {
1318 		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1319 		return PTR_ERR(sonypi_device.fifo);
1320 	}
1321 
1322 	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1323 	mutex_init(&sonypi_device.lock);
1324 	sonypi_device.bluetooth_power = -1;
1325 
1326 	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1327 				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1328 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1329 	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1330 					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1331 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1332 	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1333 					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1334 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1335 	else
1336 		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1337 
1338 	if (pcidev && pci_enable_device(pcidev)) {
1339 		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1340 		error = -EIO;
1341 		goto err_put_pcidev;
1342 	}
1343 
1344 	sonypi_device.dev = pcidev;
1345 
1346 	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1347 		ioport_list = sonypi_type1_ioport_list;
1348 		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1349 		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1350 		irq_list = sonypi_type1_irq_list;
1351 	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1352 		ioport_list = sonypi_type2_ioport_list;
1353 		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1354 		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1355 		irq_list = sonypi_type2_irq_list;
1356 	} else {
1357 		ioport_list = sonypi_type3_ioport_list;
1358 		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1359 		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1360 		irq_list = sonypi_type3_irq_list;
1361 	}
1362 
1363 	error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1364 	if (error) {
1365 		printk(KERN_ERR "sonypi: failed to request ioports\n");
1366 		goto err_disable_pcidev;
1367 	}
1368 
1369 	error = sonypi_setup_irq(&sonypi_device, irq_list);
1370 	if (error) {
1371 		printk(KERN_ERR "sonypi: request_irq failed\n");
1372 		goto err_free_ioports;
1373 	}
1374 
1375 	if (minor != -1)
1376 		sonypi_misc_device.minor = minor;
1377 	error = misc_register(&sonypi_misc_device);
1378 	if (error) {
1379 		printk(KERN_ERR "sonypi: misc_register failed\n");
1380 		goto err_free_irq;
1381 	}
1382 
1383 	sonypi_display_info();
1384 
1385 	if (useinput) {
1386 
1387 		error = sonypi_create_input_devices(dev);
1388 		if (error) {
1389 			printk(KERN_ERR
1390 				"sonypi: failed to create input devices\n");
1391 			goto err_miscdev_unregister;
1392 		}
1393 
1394 		spin_lock_init(&sonypi_device.input_fifo_lock);
1395 		sonypi_device.input_fifo =
1396 			kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1397 				    &sonypi_device.input_fifo_lock);
1398 		if (IS_ERR(sonypi_device.input_fifo)) {
1399 			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1400 			error = PTR_ERR(sonypi_device.input_fifo);
1401 			goto err_inpdev_unregister;
1402 		}
1403 
1404 		INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1405 	}
1406 
1407 	sonypi_enable(0);
1408 
1409 	return 0;
1410 
1411  err_inpdev_unregister:
1412 	input_unregister_device(sonypi_device.input_key_dev);
1413 	input_unregister_device(sonypi_device.input_jog_dev);
1414  err_miscdev_unregister:
1415 	misc_deregister(&sonypi_misc_device);
1416  err_free_irq:
1417 	free_irq(sonypi_device.irq, sonypi_irq);
1418  err_free_ioports:
1419 	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1420  err_disable_pcidev:
1421 	if (pcidev)
1422 		pci_disable_device(pcidev);
1423  err_put_pcidev:
1424 	pci_dev_put(pcidev);
1425 	kfifo_free(sonypi_device.fifo);
1426 
1427 	return error;
1428 }
1429 
1430 static int __devexit sonypi_remove(struct platform_device *dev)
1431 {
1432 	sonypi_disable();
1433 
1434 	synchronize_irq(sonypi_device.irq);
1435 	flush_scheduled_work();
1436 
1437 	if (useinput) {
1438 		input_unregister_device(sonypi_device.input_key_dev);
1439 		input_unregister_device(sonypi_device.input_jog_dev);
1440 		kfifo_free(sonypi_device.input_fifo);
1441 	}
1442 
1443 	misc_deregister(&sonypi_misc_device);
1444 
1445 	free_irq(sonypi_device.irq, sonypi_irq);
1446 	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1447 
1448 	if (sonypi_device.dev) {
1449 		pci_disable_device(sonypi_device.dev);
1450 		pci_dev_put(sonypi_device.dev);
1451 	}
1452 
1453 	kfifo_free(sonypi_device.fifo);
1454 
1455 	return 0;
1456 }
1457 
1458 #ifdef CONFIG_PM
1459 static int old_camera_power;
1460 
1461 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1462 {
1463 	old_camera_power = sonypi_device.camera_power;
1464 	sonypi_disable();
1465 
1466 	return 0;
1467 }
1468 
1469 static int sonypi_resume(struct platform_device *dev)
1470 {
1471 	sonypi_enable(old_camera_power);
1472 	return 0;
1473 }
1474 #else
1475 #define sonypi_suspend	NULL
1476 #define sonypi_resume	NULL
1477 #endif
1478 
1479 static void sonypi_shutdown(struct platform_device *dev)
1480 {
1481 	sonypi_disable();
1482 }
1483 
1484 static struct platform_driver sonypi_driver = {
1485 	.driver		= {
1486 		.name	= "sonypi",
1487 		.owner	= THIS_MODULE,
1488 	},
1489 	.probe		= sonypi_probe,
1490 	.remove		= __devexit_p(sonypi_remove),
1491 	.shutdown	= sonypi_shutdown,
1492 	.suspend	= sonypi_suspend,
1493 	.resume		= sonypi_resume,
1494 };
1495 
1496 static struct platform_device *sonypi_platform_device;
1497 
1498 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1499 	{
1500 		.ident = "Sony Vaio",
1501 		.matches = {
1502 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1503 			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1504 		},
1505 	},
1506 	{
1507 		.ident = "Sony Vaio",
1508 		.matches = {
1509 			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1510 			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1511 		},
1512 	},
1513 	{ }
1514 };
1515 
1516 static int __init sonypi_init(void)
1517 {
1518 	int error;
1519 
1520 	printk(KERN_INFO
1521 		"sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1522 		SONYPI_DRIVER_VERSION);
1523 
1524 	if (!dmi_check_system(sonypi_dmi_table))
1525 		return -ENODEV;
1526 
1527 	error = platform_driver_register(&sonypi_driver);
1528 	if (error)
1529 		return error;
1530 
1531 	sonypi_platform_device = platform_device_alloc("sonypi", -1);
1532 	if (!sonypi_platform_device) {
1533 		error = -ENOMEM;
1534 		goto err_driver_unregister;
1535 	}
1536 
1537 	error = platform_device_add(sonypi_platform_device);
1538 	if (error)
1539 		goto err_free_device;
1540 
1541 #ifdef CONFIG_ACPI
1542 	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1543 		acpi_driver_registered = 1;
1544 #endif
1545 
1546 	return 0;
1547 
1548  err_free_device:
1549 	platform_device_put(sonypi_platform_device);
1550  err_driver_unregister:
1551 	platform_driver_unregister(&sonypi_driver);
1552 	return error;
1553 }
1554 
1555 static void __exit sonypi_exit(void)
1556 {
1557 #ifdef CONFIG_ACPI
1558 	if (acpi_driver_registered)
1559 		acpi_bus_unregister_driver(&sonypi_acpi_driver);
1560 #endif
1561 	platform_device_unregister(sonypi_platform_device);
1562 	platform_driver_unregister(&sonypi_driver);
1563 	printk(KERN_INFO "sonypi: removed.\n");
1564 }
1565 
1566 module_init(sonypi_init);
1567 module_exit(sonypi_exit);
1568