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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/char/
1/*
2 * Sony Programmable I/O Control Device driver for VAIO
3 *
4 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
5 *
6 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
7 *
8 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
9 *
10 * Copyright (C) 2001-2002 Alc��ve <www.alcove.com>
11 *
12 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
13 *
14 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
15 *
16 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
17 *
18 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
19 *
20 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
21 *
22 * This program is free software; you can redistribute it and/or modify
23 * it under the terms of the GNU General Public License as published by
24 * the Free Software Foundation; either version 2 of the License, or
25 * (at your option) any later version.
26 *
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
30 * GNU General Public License for more details.
31 *
32 * You should have received a copy of the GNU General Public License
33 * along with this program; if not, write to the Free Software
34 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
35 *
36 */
37
38#include <linux/module.h>
39#include <linux/sched.h>
40#include <linux/input.h>
41#include <linux/pci.h>
42#include <linux/init.h>
43#include <linux/interrupt.h>
44#include <linux/miscdevice.h>
45#include <linux/poll.h>
46#include <linux/delay.h>
47#include <linux/wait.h>
48#include <linux/acpi.h>
49#include <linux/dmi.h>
50#include <linux/err.h>
51#include <linux/kfifo.h>
52#include <linux/platform_device.h>
53#include <linux/gfp.h>
54
55#include <asm/uaccess.h>
56#include <asm/io.h>
57#include <asm/system.h>
58
59#include <linux/sonypi.h>
60
61#define SONYPI_DRIVER_VERSION	 "1.26"
62
63MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
64MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
65MODULE_LICENSE("GPL");
66MODULE_VERSION(SONYPI_DRIVER_VERSION);
67
68static int minor = -1;
69module_param(minor, int, 0);
70MODULE_PARM_DESC(minor,
71		 "minor number of the misc device, default is -1 (automatic)");
72
73static int verbose;		/* = 0 */
74module_param(verbose, int, 0644);
75MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
76
77static int fnkeyinit;		/* = 0 */
78module_param(fnkeyinit, int, 0444);
79MODULE_PARM_DESC(fnkeyinit,
80		 "set this if your Fn keys do not generate any event");
81
82static int camera;		/* = 0 */
83module_param(camera, int, 0444);
84MODULE_PARM_DESC(camera,
85		 "set this if you have a MotionEye camera (PictureBook series)");
86
87static int compat;		/* = 0 */
88module_param(compat, int, 0444);
89MODULE_PARM_DESC(compat,
90		 "set this if you want to enable backward compatibility mode");
91
92static unsigned long mask = 0xffffffff;
93module_param(mask, ulong, 0644);
94MODULE_PARM_DESC(mask,
95		 "set this to the mask of event you want to enable (see doc)");
96
97static int useinput = 1;
98module_param(useinput, int, 0444);
99MODULE_PARM_DESC(useinput,
100		 "set this if you would like sonypi to feed events to the input subsystem");
101
102static int check_ioport = 1;
103module_param(check_ioport, int, 0444);
104MODULE_PARM_DESC(check_ioport,
105		 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
106
107#define SONYPI_DEVICE_MODEL_TYPE1	1
108#define SONYPI_DEVICE_MODEL_TYPE2	2
109#define SONYPI_DEVICE_MODEL_TYPE3	3
110
111/* type1 models use those */
112#define SONYPI_IRQ_PORT			0x8034
113#define SONYPI_IRQ_SHIFT		22
114#define SONYPI_TYPE1_BASE		0x50
115#define SONYPI_G10A			(SONYPI_TYPE1_BASE+0x14)
116#define SONYPI_TYPE1_REGION_SIZE	0x08
117#define SONYPI_TYPE1_EVTYPE_OFFSET	0x04
118
119/* type2 series specifics */
120#define SONYPI_SIRQ			0x9b
121#define SONYPI_SLOB			0x9c
122#define SONYPI_SHIB			0x9d
123#define SONYPI_TYPE2_REGION_SIZE	0x20
124#define SONYPI_TYPE2_EVTYPE_OFFSET	0x12
125
126/* type3 series specifics */
127#define SONYPI_TYPE3_BASE		0x40
128#define SONYPI_TYPE3_GID2		(SONYPI_TYPE3_BASE+0x48) /* 16 bits */
129#define SONYPI_TYPE3_MISC		(SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
130#define SONYPI_TYPE3_REGION_SIZE	0x20
131#define SONYPI_TYPE3_EVTYPE_OFFSET	0x12
132
133/* battery / brightness addresses */
134#define SONYPI_BAT_FLAGS	0x81
135#define SONYPI_LCD_LIGHT	0x96
136#define SONYPI_BAT1_PCTRM	0xa0
137#define SONYPI_BAT1_LEFT	0xa2
138#define SONYPI_BAT1_MAXRT	0xa4
139#define SONYPI_BAT2_PCTRM	0xa8
140#define SONYPI_BAT2_LEFT	0xaa
141#define SONYPI_BAT2_MAXRT	0xac
142#define SONYPI_BAT1_MAXTK	0xb0
143#define SONYPI_BAT1_FULL	0xb2
144#define SONYPI_BAT2_MAXTK	0xb8
145#define SONYPI_BAT2_FULL	0xba
146
147/* FAN0 information (reverse engineered from ACPI tables) */
148#define SONYPI_FAN0_STATUS	0x93
149#define SONYPI_TEMP_STATUS	0xC1
150
151/* ioports used for brightness and type2 events */
152#define SONYPI_DATA_IOPORT	0x62
153#define SONYPI_CST_IOPORT	0x66
154
155/* The set of possible ioports */
156struct sonypi_ioport_list {
157	u16	port1;
158	u16	port2;
159};
160
161static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
162	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
163	{ 0x1080, 0x1084 },
164	{ 0x1090, 0x1094 },
165	{ 0x10a0, 0x10a4 },
166	{ 0x10b0, 0x10b4 },
167	{ 0x0, 0x0 }
168};
169
170static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
171	{ 0x1080, 0x1084 },
172	{ 0x10a0, 0x10a4 },
173	{ 0x10c0, 0x10c4 },
174	{ 0x10e0, 0x10e4 },
175	{ 0x0, 0x0 }
176};
177
178/* same as in type 2 models */
179static struct sonypi_ioport_list *sonypi_type3_ioport_list =
180	sonypi_type2_ioport_list;
181
182/* The set of possible interrupts */
183struct sonypi_irq_list {
184	u16	irq;
185	u16	bits;
186};
187
188static struct sonypi_irq_list sonypi_type1_irq_list[] = {
189	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
190	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
191	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
192	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
193};
194
195static struct sonypi_irq_list sonypi_type2_irq_list[] = {
196	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
197	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
198	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
199	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
200	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
201};
202
203/* same as in type2 models */
204static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
205
206#define SONYPI_CAMERA_BRIGHTNESS		0
207#define SONYPI_CAMERA_CONTRAST			1
208#define SONYPI_CAMERA_HUE			2
209#define SONYPI_CAMERA_COLOR			3
210#define SONYPI_CAMERA_SHARPNESS			4
211
212#define SONYPI_CAMERA_PICTURE			5
213#define SONYPI_CAMERA_EXPOSURE_MASK		0xC
214#define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
215#define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
216#define SONYPI_CAMERA_MUTE_MASK			0x40
217
218/* the rest don't need a loop until not 0xff */
219#define SONYPI_CAMERA_AGC			6
220#define SONYPI_CAMERA_AGC_MASK			0x30
221#define SONYPI_CAMERA_SHUTTER_MASK 		0x7
222
223#define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
224#define SONYPI_CAMERA_CONTROL			0x10
225
226#define SONYPI_CAMERA_STATUS 			7
227#define SONYPI_CAMERA_STATUS_READY 		0x2
228#define SONYPI_CAMERA_STATUS_POSITION		0x4
229
230#define SONYPI_DIRECTION_BACKWARDS 		0x4
231
232#define SONYPI_CAMERA_REVISION 			8
233#define SONYPI_CAMERA_ROMVERSION 		9
234
235/* Event masks */
236#define SONYPI_JOGGER_MASK			0x00000001
237#define SONYPI_CAPTURE_MASK			0x00000002
238#define SONYPI_FNKEY_MASK			0x00000004
239#define SONYPI_BLUETOOTH_MASK			0x00000008
240#define SONYPI_PKEY_MASK			0x00000010
241#define SONYPI_BACK_MASK			0x00000020
242#define SONYPI_HELP_MASK			0x00000040
243#define SONYPI_LID_MASK				0x00000080
244#define SONYPI_ZOOM_MASK			0x00000100
245#define SONYPI_THUMBPHRASE_MASK			0x00000200
246#define SONYPI_MEYE_MASK			0x00000400
247#define SONYPI_MEMORYSTICK_MASK			0x00000800
248#define SONYPI_BATTERY_MASK			0x00001000
249#define SONYPI_WIRELESS_MASK			0x00002000
250
251struct sonypi_event {
252	u8	data;
253	u8	event;
254};
255
256/* The set of possible button release events */
257static struct sonypi_event sonypi_releaseev[] = {
258	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
259	{ 0, 0 }
260};
261
262/* The set of possible jogger events  */
263static struct sonypi_event sonypi_joggerev[] = {
264	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
265	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
266	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
267	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
268	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
269	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
270	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
271	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
272	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
273	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
274	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
275	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
276	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
277	{ 0, 0 }
278};
279
280/* The set of possible capture button events */
281static struct sonypi_event sonypi_captureev[] = {
282	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
283	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
284	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
285	{ 0, 0 }
286};
287
288/* The set of possible fnkeys events */
289static struct sonypi_event sonypi_fnkeyev[] = {
290	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
291	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
292	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
293	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
294	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
295	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
296	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
297	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
298	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
299	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
300	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
301	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
302	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
303	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
304	{ 0x21, SONYPI_EVENT_FNKEY_1 },
305	{ 0x22, SONYPI_EVENT_FNKEY_2 },
306	{ 0x31, SONYPI_EVENT_FNKEY_D },
307	{ 0x32, SONYPI_EVENT_FNKEY_E },
308	{ 0x33, SONYPI_EVENT_FNKEY_F },
309	{ 0x34, SONYPI_EVENT_FNKEY_S },
310	{ 0x35, SONYPI_EVENT_FNKEY_B },
311	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
312	{ 0, 0 }
313};
314
315/* The set of possible program key events */
316static struct sonypi_event sonypi_pkeyev[] = {
317	{ 0x01, SONYPI_EVENT_PKEY_P1 },
318	{ 0x02, SONYPI_EVENT_PKEY_P2 },
319	{ 0x04, SONYPI_EVENT_PKEY_P3 },
320	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
321	{ 0, 0 }
322};
323
324/* The set of possible bluetooth events */
325static struct sonypi_event sonypi_blueev[] = {
326	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
327	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
328	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
329	{ 0, 0 }
330};
331
332/* The set of possible wireless events */
333static struct sonypi_event sonypi_wlessev[] = {
334	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
335	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
336	{ 0, 0 }
337};
338
339/* The set of possible back button events */
340static struct sonypi_event sonypi_backev[] = {
341	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
342	{ 0, 0 }
343};
344
345/* The set of possible help button events */
346static struct sonypi_event sonypi_helpev[] = {
347	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
348	{ 0, 0 }
349};
350
351
352/* The set of possible lid events */
353static struct sonypi_event sonypi_lidev[] = {
354	{ 0x51, SONYPI_EVENT_LID_CLOSED },
355	{ 0x50, SONYPI_EVENT_LID_OPENED },
356	{ 0, 0 }
357};
358
359/* The set of possible zoom events */
360static struct sonypi_event sonypi_zoomev[] = {
361	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
362	{ 0, 0 }
363};
364
365/* The set of possible thumbphrase events */
366static struct sonypi_event sonypi_thumbphraseev[] = {
367	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
368	{ 0, 0 }
369};
370
371/* The set of possible motioneye camera events */
372static struct sonypi_event sonypi_meyeev[] = {
373	{ 0x00, SONYPI_EVENT_MEYE_FACE },
374	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
375	{ 0, 0 }
376};
377
378/* The set of possible memorystick events */
379static struct sonypi_event sonypi_memorystickev[] = {
380	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
381	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
382	{ 0, 0 }
383};
384
385/* The set of possible battery events */
386static struct sonypi_event sonypi_batteryev[] = {
387	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
388	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
389	{ 0, 0 }
390};
391
392static struct sonypi_eventtypes {
393	int			model;
394	u8			data;
395	unsigned long		mask;
396	struct sonypi_event *	events;
397} sonypi_eventtypes[] = {
398	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
399	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
400	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
401	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
402	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
403	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
404	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
405	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
406	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
407	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
408
409	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
410	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
411	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
412	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
413	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
414	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
415	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
416	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
417	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
418	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
419	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
420	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
421	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
422	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
423
424	{ SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
425	{ SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
426	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
427	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
428	{ SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
429	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
430	{ 0 }
431};
432
433#define SONYPI_BUF_SIZE	128
434
435/* Correspondance table between sonypi events and input layer events */
436static struct {
437	int sonypiev;
438	int inputev;
439} sonypi_inputkeys[] = {
440	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
441	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
442	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
443	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
444	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
445	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
446	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
447	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
448	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
449	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
450	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
451	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
452	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
453	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
454	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
455	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
456	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
457	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
458	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
459	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
460	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
461	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
462	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
463	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
464	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
465	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
466	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
467	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
468	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
469	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
470	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
471	{ 0, 0 },
472};
473
474struct sonypi_keypress {
475	struct input_dev *dev;
476	int key;
477};
478
479static struct sonypi_device {
480	struct pci_dev *dev;
481	u16 irq;
482	u16 bits;
483	u16 ioport1;
484	u16 ioport2;
485	u16 region_size;
486	u16 evtype_offset;
487	int camera_power;
488	int bluetooth_power;
489	struct mutex lock;
490	struct kfifo fifo;
491	spinlock_t fifo_lock;
492	wait_queue_head_t fifo_proc_list;
493	struct fasync_struct *fifo_async;
494	int open_count;
495	int model;
496	struct input_dev *input_jog_dev;
497	struct input_dev *input_key_dev;
498	struct work_struct input_work;
499	struct kfifo input_fifo;
500	spinlock_t input_fifo_lock;
501} sonypi_device;
502
503#define ITERATIONS_LONG		10000
504#define ITERATIONS_SHORT	10
505
506#define wait_on_command(quiet, command, iterations) { \
507	unsigned int n = iterations; \
508	while (--n && (command)) \
509		udelay(1); \
510	if (!n && (verbose || !quiet)) \
511		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
512}
513
514#ifdef CONFIG_ACPI
515#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
516#else
517#define SONYPI_ACPI_ACTIVE 0
518#endif				/* CONFIG_ACPI */
519
520#ifdef CONFIG_ACPI
521static struct acpi_device *sonypi_acpi_device;
522static int acpi_driver_registered;
523#endif
524
525static int sonypi_ec_write(u8 addr, u8 value)
526{
527#ifdef CONFIG_ACPI
528	if (SONYPI_ACPI_ACTIVE)
529		return ec_write(addr, value);
530#endif
531	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
532	outb_p(0x81, SONYPI_CST_IOPORT);
533	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
534	outb_p(addr, SONYPI_DATA_IOPORT);
535	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
536	outb_p(value, SONYPI_DATA_IOPORT);
537	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
538	return 0;
539}
540
541static int sonypi_ec_read(u8 addr, u8 *value)
542{
543#ifdef CONFIG_ACPI
544	if (SONYPI_ACPI_ACTIVE)
545		return ec_read(addr, value);
546#endif
547	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
548	outb_p(0x80, SONYPI_CST_IOPORT);
549	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
550	outb_p(addr, SONYPI_DATA_IOPORT);
551	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
552	*value = inb_p(SONYPI_DATA_IOPORT);
553	return 0;
554}
555
556static int ec_read16(u8 addr, u16 *value)
557{
558	u8 val_lb, val_hb;
559	if (sonypi_ec_read(addr, &val_lb))
560		return -1;
561	if (sonypi_ec_read(addr + 1, &val_hb))
562		return -1;
563	*value = val_lb | (val_hb << 8);
564	return 0;
565}
566
567/* Initializes the device - this comes from the AML code in the ACPI bios */
568static void sonypi_type1_srs(void)
569{
570	u32 v;
571
572	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
573	v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
574	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
575
576	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
577	v = (v & 0xFFF0FFFF) |
578	    (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
579	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
580
581	v = inl(SONYPI_IRQ_PORT);
582	v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
583	v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
584	outl(v, SONYPI_IRQ_PORT);
585
586	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
587	v = (v & 0xFF1FFFFF) | 0x00C00000;
588	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
589}
590
591static void sonypi_type2_srs(void)
592{
593	if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
594		printk(KERN_WARNING "ec_write failed\n");
595	if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
596		printk(KERN_WARNING "ec_write failed\n");
597	if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
598		printk(KERN_WARNING "ec_write failed\n");
599	udelay(10);
600}
601
602static void sonypi_type3_srs(void)
603{
604	u16 v16;
605	u8  v8;
606
607	/* This model type uses the same initialiazation of
608	 * the embedded controller as the type2 models. */
609	sonypi_type2_srs();
610
611	/* Initialization of PCI config space of the LPC interface bridge. */
612	v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
613	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
614	pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
615	v8 = (v8 & 0xCF) | 0x10;
616	pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
617}
618
619/* Disables the device - this comes from the AML code in the ACPI bios */
620static void sonypi_type1_dis(void)
621{
622	u32 v;
623
624	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
625	v = v & 0xFF3FFFFF;
626	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
627
628	v = inl(SONYPI_IRQ_PORT);
629	v |= (0x3 << SONYPI_IRQ_SHIFT);
630	outl(v, SONYPI_IRQ_PORT);
631}
632
633static void sonypi_type2_dis(void)
634{
635	if (sonypi_ec_write(SONYPI_SHIB, 0))
636		printk(KERN_WARNING "ec_write failed\n");
637	if (sonypi_ec_write(SONYPI_SLOB, 0))
638		printk(KERN_WARNING "ec_write failed\n");
639	if (sonypi_ec_write(SONYPI_SIRQ, 0))
640		printk(KERN_WARNING "ec_write failed\n");
641}
642
643static void sonypi_type3_dis(void)
644{
645	sonypi_type2_dis();
646	udelay(10);
647	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
648}
649
650static u8 sonypi_call1(u8 dev)
651{
652	u8 v1, v2;
653
654	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
655	outb(dev, sonypi_device.ioport2);
656	v1 = inb_p(sonypi_device.ioport2);
657	v2 = inb_p(sonypi_device.ioport1);
658	return v2;
659}
660
661static u8 sonypi_call2(u8 dev, u8 fn)
662{
663	u8 v1;
664
665	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
666	outb(dev, sonypi_device.ioport2);
667	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
668	outb(fn, sonypi_device.ioport1);
669	v1 = inb_p(sonypi_device.ioport1);
670	return v1;
671}
672
673static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
674{
675	u8 v1;
676
677	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
678	outb(dev, sonypi_device.ioport2);
679	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
680	outb(fn, sonypi_device.ioport1);
681	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
682	outb(v, sonypi_device.ioport1);
683	v1 = inb_p(sonypi_device.ioport1);
684	return v1;
685}
686
687
688/* Set brightness, hue etc */
689static void sonypi_set(u8 fn, u8 v)
690{
691	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
692}
693
694/* Tests if the camera is ready */
695static int sonypi_camera_ready(void)
696{
697	u8 v;
698
699	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
700	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
701}
702
703/* Turns the camera off */
704static void sonypi_camera_off(void)
705{
706	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
707
708	if (!sonypi_device.camera_power)
709		return;
710
711	sonypi_call2(0x91, 0);
712	sonypi_device.camera_power = 0;
713}
714
715/* Turns the camera on */
716static void sonypi_camera_on(void)
717{
718	int i, j;
719
720	if (sonypi_device.camera_power)
721		return;
722
723	for (j = 5; j > 0; j--) {
724
725		while (sonypi_call2(0x91, 0x1))
726			msleep(10);
727		sonypi_call1(0x93);
728
729		for (i = 400; i > 0; i--) {
730			if (sonypi_camera_ready())
731				break;
732			msleep(10);
733		}
734		if (i)
735			break;
736	}
737
738	if (j == 0) {
739		printk(KERN_WARNING "sonypi: failed to power on camera\n");
740		return;
741	}
742
743	sonypi_set(0x10, 0x5a);
744	sonypi_device.camera_power = 1;
745}
746
747/* sets the bluetooth subsystem power state */
748static void sonypi_setbluetoothpower(u8 state)
749{
750	state = !!state;
751
752	if (sonypi_device.bluetooth_power == state)
753		return;
754
755	sonypi_call2(0x96, state);
756	sonypi_call1(0x82);
757	sonypi_device.bluetooth_power = state;
758}
759
760static void input_keyrelease(struct work_struct *work)
761{
762	struct sonypi_keypress kp;
763
764	while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
765			 sizeof(kp), &sonypi_device.input_fifo_lock)
766			== sizeof(kp)) {
767		msleep(10);
768		input_report_key(kp.dev, kp.key, 0);
769		input_sync(kp.dev);
770	}
771}
772
773static void sonypi_report_input_event(u8 event)
774{
775	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
776	struct input_dev *key_dev = sonypi_device.input_key_dev;
777	struct sonypi_keypress kp = { NULL };
778	int i;
779
780	switch (event) {
781	case SONYPI_EVENT_JOGDIAL_UP:
782	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
783		input_report_rel(jog_dev, REL_WHEEL, 1);
784		input_sync(jog_dev);
785		break;
786
787	case SONYPI_EVENT_JOGDIAL_DOWN:
788	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
789		input_report_rel(jog_dev, REL_WHEEL, -1);
790		input_sync(jog_dev);
791		break;
792
793	case SONYPI_EVENT_JOGDIAL_PRESSED:
794		kp.key = BTN_MIDDLE;
795		kp.dev = jog_dev;
796		break;
797
798	case SONYPI_EVENT_FNKEY_RELEASED:
799		/* Nothing, not all VAIOs generate this event */
800		break;
801
802	default:
803		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
804			if (event == sonypi_inputkeys[i].sonypiev) {
805				kp.dev = key_dev;
806				kp.key = sonypi_inputkeys[i].inputev;
807				break;
808			}
809		break;
810	}
811
812	if (kp.dev) {
813		input_report_key(kp.dev, kp.key, 1);
814		input_sync(kp.dev);
815		kfifo_in_locked(&sonypi_device.input_fifo,
816			(unsigned char *)&kp, sizeof(kp),
817			&sonypi_device.input_fifo_lock);
818		schedule_work(&sonypi_device.input_work);
819	}
820}
821
822/* Interrupt handler: some event is available */
823static irqreturn_t sonypi_irq(int irq, void *dev_id)
824{
825	u8 v1, v2, event = 0;
826	int i, j;
827
828	v1 = inb_p(sonypi_device.ioport1);
829	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
830
831	for (i = 0; sonypi_eventtypes[i].model; i++) {
832		if (sonypi_device.model != sonypi_eventtypes[i].model)
833			continue;
834		if ((v2 & sonypi_eventtypes[i].data) !=
835		    sonypi_eventtypes[i].data)
836			continue;
837		if (!(mask & sonypi_eventtypes[i].mask))
838			continue;
839		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
840			if (v1 == sonypi_eventtypes[i].events[j].data) {
841				event = sonypi_eventtypes[i].events[j].event;
842				goto found;
843			}
844		}
845	}
846
847	if (verbose)
848		printk(KERN_WARNING
849		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
850		       v1, v2);
851	/* We need to return IRQ_HANDLED here because there *are*
852	 * events belonging to the sonypi device we don't know about,
853	 * but we still don't want those to pollute the logs... */
854	return IRQ_HANDLED;
855
856found:
857	if (verbose > 1)
858		printk(KERN_INFO
859		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
860
861	if (useinput)
862		sonypi_report_input_event(event);
863
864#ifdef CONFIG_ACPI
865	if (sonypi_acpi_device)
866		acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
867#endif
868
869	kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
870			sizeof(event), &sonypi_device.fifo_lock);
871	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
872	wake_up_interruptible(&sonypi_device.fifo_proc_list);
873
874	return IRQ_HANDLED;
875}
876
877static int sonypi_misc_fasync(int fd, struct file *filp, int on)
878{
879	return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
880}
881
882static int sonypi_misc_release(struct inode *inode, struct file *file)
883{
884	mutex_lock(&sonypi_device.lock);
885	sonypi_device.open_count--;
886	mutex_unlock(&sonypi_device.lock);
887	return 0;
888}
889
890static int sonypi_misc_open(struct inode *inode, struct file *file)
891{
892	mutex_lock(&sonypi_device.lock);
893	/* Flush input queue on first open */
894	if (!sonypi_device.open_count)
895		kfifo_reset(&sonypi_device.fifo);
896	sonypi_device.open_count++;
897	mutex_unlock(&sonypi_device.lock);
898
899	return 0;
900}
901
902static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
903				size_t count, loff_t *pos)
904{
905	ssize_t ret;
906	unsigned char c;
907
908	if ((kfifo_len(&sonypi_device.fifo) == 0) &&
909	    (file->f_flags & O_NONBLOCK))
910		return -EAGAIN;
911
912	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
913				       kfifo_len(&sonypi_device.fifo) != 0);
914	if (ret)
915		return ret;
916
917	while (ret < count &&
918	       (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
919				 &sonypi_device.fifo_lock) == sizeof(c))) {
920		if (put_user(c, buf++))
921			return -EFAULT;
922		ret++;
923	}
924
925	if (ret > 0) {
926		struct inode *inode = file->f_path.dentry->d_inode;
927		inode->i_atime = current_fs_time(inode->i_sb);
928	}
929
930	return ret;
931}
932
933static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
934{
935	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
936	if (kfifo_len(&sonypi_device.fifo))
937		return POLLIN | POLLRDNORM;
938	return 0;
939}
940
941static long sonypi_misc_ioctl(struct file *fp,
942			     unsigned int cmd, unsigned long arg)
943{
944	long ret = 0;
945	void __user *argp = (void __user *)arg;
946	u8 val8;
947	u16 val16;
948
949	mutex_lock(&sonypi_device.lock);
950	switch (cmd) {
951	case SONYPI_IOCGBRT:
952		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
953			ret = -EIO;
954			break;
955		}
956		if (copy_to_user(argp, &val8, sizeof(val8)))
957			ret = -EFAULT;
958		break;
959	case SONYPI_IOCSBRT:
960		if (copy_from_user(&val8, argp, sizeof(val8))) {
961			ret = -EFAULT;
962			break;
963		}
964		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
965			ret = -EIO;
966		break;
967	case SONYPI_IOCGBAT1CAP:
968		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
969			ret = -EIO;
970			break;
971		}
972		if (copy_to_user(argp, &val16, sizeof(val16)))
973			ret = -EFAULT;
974		break;
975	case SONYPI_IOCGBAT1REM:
976		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
977			ret = -EIO;
978			break;
979		}
980		if (copy_to_user(argp, &val16, sizeof(val16)))
981			ret = -EFAULT;
982		break;
983	case SONYPI_IOCGBAT2CAP:
984		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
985			ret = -EIO;
986			break;
987		}
988		if (copy_to_user(argp, &val16, sizeof(val16)))
989			ret = -EFAULT;
990		break;
991	case SONYPI_IOCGBAT2REM:
992		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
993			ret = -EIO;
994			break;
995		}
996		if (copy_to_user(argp, &val16, sizeof(val16)))
997			ret = -EFAULT;
998		break;
999	case SONYPI_IOCGBATFLAGS:
1000		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1001			ret = -EIO;
1002			break;
1003		}
1004		val8 &= 0x07;
1005		if (copy_to_user(argp, &val8, sizeof(val8)))
1006			ret = -EFAULT;
1007		break;
1008	case SONYPI_IOCGBLUE:
1009		val8 = sonypi_device.bluetooth_power;
1010		if (copy_to_user(argp, &val8, sizeof(val8)))
1011			ret = -EFAULT;
1012		break;
1013	case SONYPI_IOCSBLUE:
1014		if (copy_from_user(&val8, argp, sizeof(val8))) {
1015			ret = -EFAULT;
1016			break;
1017		}
1018		sonypi_setbluetoothpower(val8);
1019		break;
1020	/* FAN Controls */
1021	case SONYPI_IOCGFAN:
1022		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1023			ret = -EIO;
1024			break;
1025		}
1026		if (copy_to_user(argp, &val8, sizeof(val8)))
1027			ret = -EFAULT;
1028		break;
1029	case SONYPI_IOCSFAN:
1030		if (copy_from_user(&val8, argp, sizeof(val8))) {
1031			ret = -EFAULT;
1032			break;
1033		}
1034		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1035			ret = -EIO;
1036		break;
1037	/* GET Temperature (useful under APM) */
1038	case SONYPI_IOCGTEMP:
1039		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1040			ret = -EIO;
1041			break;
1042		}
1043		if (copy_to_user(argp, &val8, sizeof(val8)))
1044			ret = -EFAULT;
1045		break;
1046	default:
1047		ret = -EINVAL;
1048	}
1049	mutex_unlock(&sonypi_device.lock);
1050	return ret;
1051}
1052
1053static const struct file_operations sonypi_misc_fops = {
1054	.owner		= THIS_MODULE,
1055	.read		= sonypi_misc_read,
1056	.poll		= sonypi_misc_poll,
1057	.open		= sonypi_misc_open,
1058	.release	= sonypi_misc_release,
1059	.fasync		= sonypi_misc_fasync,
1060	.unlocked_ioctl	= sonypi_misc_ioctl,
1061	.llseek		= no_llseek,
1062};
1063
1064static struct miscdevice sonypi_misc_device = {
1065	.minor		= MISC_DYNAMIC_MINOR,
1066	.name		= "sonypi",
1067	.fops		= &sonypi_misc_fops,
1068};
1069
1070static void sonypi_enable(unsigned int camera_on)
1071{
1072	switch (sonypi_device.model) {
1073	case SONYPI_DEVICE_MODEL_TYPE1:
1074		sonypi_type1_srs();
1075		break;
1076	case SONYPI_DEVICE_MODEL_TYPE2:
1077		sonypi_type2_srs();
1078		break;
1079	case SONYPI_DEVICE_MODEL_TYPE3:
1080		sonypi_type3_srs();
1081		break;
1082	}
1083
1084	sonypi_call1(0x82);
1085	sonypi_call2(0x81, 0xff);
1086	sonypi_call1(compat ? 0x92 : 0x82);
1087
1088	/* Enable ACPI mode to get Fn key events */
1089	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1090		outb(0xf0, 0xb2);
1091
1092	if (camera && camera_on)
1093		sonypi_camera_on();
1094}
1095
1096static int sonypi_disable(void)
1097{
1098	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1099	if (camera)
1100		sonypi_camera_off();
1101
1102	/* disable ACPI mode */
1103	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1104		outb(0xf1, 0xb2);
1105
1106	switch (sonypi_device.model) {
1107	case SONYPI_DEVICE_MODEL_TYPE1:
1108		sonypi_type1_dis();
1109		break;
1110	case SONYPI_DEVICE_MODEL_TYPE2:
1111		sonypi_type2_dis();
1112		break;
1113	case SONYPI_DEVICE_MODEL_TYPE3:
1114		sonypi_type3_dis();
1115		break;
1116	}
1117
1118	return 0;
1119}
1120
1121#ifdef CONFIG_ACPI
1122static int sonypi_acpi_add(struct acpi_device *device)
1123{
1124	sonypi_acpi_device = device;
1125	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1126	strcpy(acpi_device_class(device), "sony/hotkey");
1127	return 0;
1128}
1129
1130static int sonypi_acpi_remove(struct acpi_device *device, int type)
1131{
1132	sonypi_acpi_device = NULL;
1133	return 0;
1134}
1135
1136static const struct acpi_device_id sonypi_device_ids[] = {
1137	{"SNY6001", 0},
1138	{"", 0},
1139};
1140
1141static struct acpi_driver sonypi_acpi_driver = {
1142	.name           = "sonypi",
1143	.class          = "hkey",
1144	.ids            = sonypi_device_ids,
1145	.ops            = {
1146		           .add = sonypi_acpi_add,
1147			   .remove = sonypi_acpi_remove,
1148	},
1149};
1150#endif
1151
1152static int __devinit sonypi_create_input_devices(struct platform_device *pdev)
1153{
1154	struct input_dev *jog_dev;
1155	struct input_dev *key_dev;
1156	int i;
1157	int error;
1158
1159	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1160	if (!jog_dev)
1161		return -ENOMEM;
1162
1163	jog_dev->name = "Sony Vaio Jogdial";
1164	jog_dev->id.bustype = BUS_ISA;
1165	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1166	jog_dev->dev.parent = &pdev->dev;
1167
1168	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1169	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1170	jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1171
1172	sonypi_device.input_key_dev = key_dev = input_allocate_device();
1173	if (!key_dev) {
1174		error = -ENOMEM;
1175		goto err_free_jogdev;
1176	}
1177
1178	key_dev->name = "Sony Vaio Keys";
1179	key_dev->id.bustype = BUS_ISA;
1180	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1181	key_dev->dev.parent = &pdev->dev;
1182
1183	/* Initialize the Input Drivers: special keys */
1184	key_dev->evbit[0] = BIT_MASK(EV_KEY);
1185	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1186		if (sonypi_inputkeys[i].inputev)
1187			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1188
1189	error = input_register_device(jog_dev);
1190	if (error)
1191		goto err_free_keydev;
1192
1193	error = input_register_device(key_dev);
1194	if (error)
1195		goto err_unregister_jogdev;
1196
1197	return 0;
1198
1199 err_unregister_jogdev:
1200	input_unregister_device(jog_dev);
1201	/* Set to NULL so we don't free it again below */
1202	jog_dev = NULL;
1203 err_free_keydev:
1204	input_free_device(key_dev);
1205	sonypi_device.input_key_dev = NULL;
1206 err_free_jogdev:
1207	input_free_device(jog_dev);
1208	sonypi_device.input_jog_dev = NULL;
1209
1210	return error;
1211}
1212
1213static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1214				const struct sonypi_ioport_list *ioport_list)
1215{
1216	/* try to detect if sony-laptop is being used and thus
1217	 * has already requested one of the known ioports.
1218	 * As in the deprecated check_region this is racy has we have
1219	 * multiple ioports available and one of them can be requested
1220	 * between this check and the subsequent request. Anyway, as an
1221	 * attempt to be some more user-friendly as we currently are,
1222	 * this is enough.
1223	 */
1224	const struct sonypi_ioport_list *check = ioport_list;
1225	while (check_ioport && check->port1) {
1226		if (!request_region(check->port1,
1227				   sonypi_device.region_size,
1228				   "Sony Programable I/O Device Check")) {
1229			printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1230					"if not use check_ioport=0\n",
1231					check->port1);
1232			return -EBUSY;
1233		}
1234		release_region(check->port1, sonypi_device.region_size);
1235		check++;
1236	}
1237
1238	while (ioport_list->port1) {
1239
1240		if (request_region(ioport_list->port1,
1241				   sonypi_device.region_size,
1242				   "Sony Programable I/O Device")) {
1243			dev->ioport1 = ioport_list->port1;
1244			dev->ioport2 = ioport_list->port2;
1245			return 0;
1246		}
1247		ioport_list++;
1248	}
1249
1250	return -EBUSY;
1251}
1252
1253static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1254				      const struct sonypi_irq_list *irq_list)
1255{
1256	while (irq_list->irq) {
1257
1258		if (!request_irq(irq_list->irq, sonypi_irq,
1259				 IRQF_SHARED, "sonypi", sonypi_irq)) {
1260			dev->irq = irq_list->irq;
1261			dev->bits = irq_list->bits;
1262			return 0;
1263		}
1264		irq_list++;
1265	}
1266
1267	return -EBUSY;
1268}
1269
1270static void __devinit sonypi_display_info(void)
1271{
1272	printk(KERN_INFO "sonypi: detected type%d model, "
1273	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1274	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1275	       sonypi_device.model,
1276	       verbose,
1277	       fnkeyinit ? "on" : "off",
1278	       camera ? "on" : "off",
1279	       compat ? "on" : "off",
1280	       mask,
1281	       useinput ? "on" : "off",
1282	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1283	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1284	       sonypi_device.irq,
1285	       sonypi_device.ioport1, sonypi_device.ioport2);
1286
1287	if (minor == -1)
1288		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1289		       sonypi_misc_device.minor);
1290}
1291
1292static int __devinit sonypi_probe(struct platform_device *dev)
1293{
1294	const struct sonypi_ioport_list *ioport_list;
1295	const struct sonypi_irq_list *irq_list;
1296	struct pci_dev *pcidev;
1297	int error;
1298
1299	printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1300			"and report failures, see also "
1301			"http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1302
1303	spin_lock_init(&sonypi_device.fifo_lock);
1304	error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1305	if (error) {
1306		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1307		return error;
1308	}
1309
1310	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1311	mutex_init(&sonypi_device.lock);
1312	sonypi_device.bluetooth_power = -1;
1313
1314	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1315				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1316		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1317	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1318					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1319		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1320	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1321					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1322		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1323	else
1324		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1325
1326	if (pcidev && pci_enable_device(pcidev)) {
1327		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1328		error = -EIO;
1329		goto err_put_pcidev;
1330	}
1331
1332	sonypi_device.dev = pcidev;
1333
1334	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1335		ioport_list = sonypi_type1_ioport_list;
1336		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1337		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1338		irq_list = sonypi_type1_irq_list;
1339	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1340		ioport_list = sonypi_type2_ioport_list;
1341		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1342		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1343		irq_list = sonypi_type2_irq_list;
1344	} else {
1345		ioport_list = sonypi_type3_ioport_list;
1346		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1347		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1348		irq_list = sonypi_type3_irq_list;
1349	}
1350
1351	error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1352	if (error) {
1353		printk(KERN_ERR "sonypi: failed to request ioports\n");
1354		goto err_disable_pcidev;
1355	}
1356
1357	error = sonypi_setup_irq(&sonypi_device, irq_list);
1358	if (error) {
1359		printk(KERN_ERR "sonypi: request_irq failed\n");
1360		goto err_free_ioports;
1361	}
1362
1363	if (minor != -1)
1364		sonypi_misc_device.minor = minor;
1365	error = misc_register(&sonypi_misc_device);
1366	if (error) {
1367		printk(KERN_ERR "sonypi: misc_register failed\n");
1368		goto err_free_irq;
1369	}
1370
1371	sonypi_display_info();
1372
1373	if (useinput) {
1374
1375		error = sonypi_create_input_devices(dev);
1376		if (error) {
1377			printk(KERN_ERR
1378				"sonypi: failed to create input devices\n");
1379			goto err_miscdev_unregister;
1380		}
1381
1382		spin_lock_init(&sonypi_device.input_fifo_lock);
1383		error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1384				GFP_KERNEL);
1385		if (error) {
1386			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1387			goto err_inpdev_unregister;
1388		}
1389
1390		INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1391	}
1392
1393	sonypi_enable(0);
1394
1395	return 0;
1396
1397 err_inpdev_unregister:
1398	input_unregister_device(sonypi_device.input_key_dev);
1399	input_unregister_device(sonypi_device.input_jog_dev);
1400 err_miscdev_unregister:
1401	misc_deregister(&sonypi_misc_device);
1402 err_free_irq:
1403	free_irq(sonypi_device.irq, sonypi_irq);
1404 err_free_ioports:
1405	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1406 err_disable_pcidev:
1407	if (pcidev)
1408		pci_disable_device(pcidev);
1409 err_put_pcidev:
1410	pci_dev_put(pcidev);
1411	kfifo_free(&sonypi_device.fifo);
1412
1413	return error;
1414}
1415
1416static int __devexit sonypi_remove(struct platform_device *dev)
1417{
1418	sonypi_disable();
1419
1420	synchronize_irq(sonypi_device.irq);
1421	flush_scheduled_work();
1422
1423	if (useinput) {
1424		input_unregister_device(sonypi_device.input_key_dev);
1425		input_unregister_device(sonypi_device.input_jog_dev);
1426		kfifo_free(&sonypi_device.input_fifo);
1427	}
1428
1429	misc_deregister(&sonypi_misc_device);
1430
1431	free_irq(sonypi_device.irq, sonypi_irq);
1432	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1433
1434	if (sonypi_device.dev) {
1435		pci_disable_device(sonypi_device.dev);
1436		pci_dev_put(sonypi_device.dev);
1437	}
1438
1439	kfifo_free(&sonypi_device.fifo);
1440
1441	return 0;
1442}
1443
1444#ifdef CONFIG_PM
1445static int old_camera_power;
1446
1447static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1448{
1449	old_camera_power = sonypi_device.camera_power;
1450	sonypi_disable();
1451
1452	return 0;
1453}
1454
1455static int sonypi_resume(struct platform_device *dev)
1456{
1457	sonypi_enable(old_camera_power);
1458	return 0;
1459}
1460#else
1461#define sonypi_suspend	NULL
1462#define sonypi_resume	NULL
1463#endif
1464
1465static void sonypi_shutdown(struct platform_device *dev)
1466{
1467	sonypi_disable();
1468}
1469
1470static struct platform_driver sonypi_driver = {
1471	.driver		= {
1472		.name	= "sonypi",
1473		.owner	= THIS_MODULE,
1474	},
1475	.probe		= sonypi_probe,
1476	.remove		= __devexit_p(sonypi_remove),
1477	.shutdown	= sonypi_shutdown,
1478	.suspend	= sonypi_suspend,
1479	.resume		= sonypi_resume,
1480};
1481
1482static struct platform_device *sonypi_platform_device;
1483
1484static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1485	{
1486		.ident = "Sony Vaio",
1487		.matches = {
1488			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1489			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1490		},
1491	},
1492	{
1493		.ident = "Sony Vaio",
1494		.matches = {
1495			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1496			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1497		},
1498	},
1499	{ }
1500};
1501
1502static int __init sonypi_init(void)
1503{
1504	int error;
1505
1506	printk(KERN_INFO
1507		"sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1508		SONYPI_DRIVER_VERSION);
1509
1510	if (!dmi_check_system(sonypi_dmi_table))
1511		return -ENODEV;
1512
1513	error = platform_driver_register(&sonypi_driver);
1514	if (error)
1515		return error;
1516
1517	sonypi_platform_device = platform_device_alloc("sonypi", -1);
1518	if (!sonypi_platform_device) {
1519		error = -ENOMEM;
1520		goto err_driver_unregister;
1521	}
1522
1523	error = platform_device_add(sonypi_platform_device);
1524	if (error)
1525		goto err_free_device;
1526
1527#ifdef CONFIG_ACPI
1528	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1529		acpi_driver_registered = 1;
1530#endif
1531
1532	return 0;
1533
1534 err_free_device:
1535	platform_device_put(sonypi_platform_device);
1536 err_driver_unregister:
1537	platform_driver_unregister(&sonypi_driver);
1538	return error;
1539}
1540
1541static void __exit sonypi_exit(void)
1542{
1543#ifdef CONFIG_ACPI
1544	if (acpi_driver_registered)
1545		acpi_bus_unregister_driver(&sonypi_acpi_driver);
1546#endif
1547	platform_device_unregister(sonypi_platform_device);
1548	platform_driver_unregister(&sonypi_driver);
1549	printk(KERN_INFO "sonypi: removed.\n");
1550}
1551
1552module_init(sonypi_init);
1553module_exit(sonypi_exit);
1554