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
58#include <linux/sonypi.h>
59
60#define SONYPI_DRIVER_VERSION	 "1.26"
61
62MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
63MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
64MODULE_LICENSE("GPL");
65MODULE_VERSION(SONYPI_DRIVER_VERSION);
66
67static int minor = -1;
68module_param(minor, int, 0);
69MODULE_PARM_DESC(minor,
70		 "minor number of the misc device, default is -1 (automatic)");
71
72static int verbose;		/* = 0 */
73module_param(verbose, int, 0644);
74MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
75
76static int fnkeyinit;		/* = 0 */
77module_param(fnkeyinit, int, 0444);
78MODULE_PARM_DESC(fnkeyinit,
79		 "set this if your Fn keys do not generate any event");
80
81static int camera;		/* = 0 */
82module_param(camera, int, 0444);
83MODULE_PARM_DESC(camera,
84		 "set this if you have a MotionEye camera (PictureBook series)");
85
86static int compat;		/* = 0 */
87module_param(compat, int, 0444);
88MODULE_PARM_DESC(compat,
89		 "set this if you want to enable backward compatibility mode");
90
91static unsigned long mask = 0xffffffff;
92module_param(mask, ulong, 0644);
93MODULE_PARM_DESC(mask,
94		 "set this to the mask of event you want to enable (see doc)");
95
96static int useinput = 1;
97module_param(useinput, int, 0444);
98MODULE_PARM_DESC(useinput,
99		 "set this if you would like sonypi to feed events to the input subsystem");
100
101static int check_ioport = 1;
102module_param(check_ioport, int, 0444);
103MODULE_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 */
155struct sonypi_ioport_list {
156	u16	port1;
157	u16	port2;
158};
159
160static 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
169static 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 */
178static struct sonypi_ioport_list *sonypi_type3_ioport_list =
179	sonypi_type2_ioport_list;
180
181/* The set of possible interrupts */
182struct sonypi_irq_list {
183	u16	irq;
184	u16	bits;
185};
186
187static 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
194static 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 */
203static 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
250struct sonypi_event {
251	u8	data;
252	u8	event;
253};
254
255/* The set of possible button release events */
256static struct sonypi_event sonypi_releaseev[] = {
257	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
258	{ 0, 0 }
259};
260
261/* The set of possible jogger events  */
262static 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 */
280static 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 */
288static 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 */
315static 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 */
324static 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 */
332static 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 */
339static struct sonypi_event sonypi_backev[] = {
340	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
341	{ 0, 0 }
342};
343
344/* The set of possible help button events */
345static struct sonypi_event sonypi_helpev[] = {
346	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
347	{ 0, 0 }
348};
349
350
351/* The set of possible lid events */
352static 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 */
359static struct sonypi_event sonypi_zoomev[] = {
360	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
361	{ 0, 0 }
362};
363
364/* The set of possible thumbphrase events */
365static struct sonypi_event sonypi_thumbphraseev[] = {
366	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
367	{ 0, 0 }
368};
369
370/* The set of possible motioneye camera events */
371static 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 */
378static 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 */
385static struct sonypi_event sonypi_batteryev[] = {
386	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
387	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
388	{ 0, 0 }
389};
390
391static 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 */
435static 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
473struct sonypi_keypress {
474	struct input_dev *dev;
475	int key;
476};
477
478static 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
520static struct acpi_device *sonypi_acpi_device;
521static int acpi_driver_registered;
522#endif
523
524static 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
540static 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
555static 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 */
567static 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
590static 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
601static 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 */
619static 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
632static 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
642static 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
649static 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
660static 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
672static 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... */
688static 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 */
704static 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 */
710static 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 */
719static 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 */
731static 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 */
763static 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
775static void input_keyrelease(struct work_struct *work)
776{
777	struct sonypi_keypress kp;
778
779	while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
780			 sizeof(kp), &sonypi_device.input_fifo_lock)
781			== sizeof(kp)) {
782		msleep(10);
783		input_report_key(kp.dev, kp.key, 0);
784		input_sync(kp.dev);
785	}
786}
787
788static void sonypi_report_input_event(u8 event)
789{
790	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
791	struct input_dev *key_dev = sonypi_device.input_key_dev;
792	struct sonypi_keypress kp = { NULL };
793	int i;
794
795	switch (event) {
796	case SONYPI_EVENT_JOGDIAL_UP:
797	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
798		input_report_rel(jog_dev, REL_WHEEL, 1);
799		input_sync(jog_dev);
800		break;
801
802	case SONYPI_EVENT_JOGDIAL_DOWN:
803	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
804		input_report_rel(jog_dev, REL_WHEEL, -1);
805		input_sync(jog_dev);
806		break;
807
808	case SONYPI_EVENT_JOGDIAL_PRESSED:
809		kp.key = BTN_MIDDLE;
810		kp.dev = jog_dev;
811		break;
812
813	case SONYPI_EVENT_FNKEY_RELEASED:
814		/* Nothing, not all VAIOs generate this event */
815		break;
816
817	default:
818		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
819			if (event == sonypi_inputkeys[i].sonypiev) {
820				kp.dev = key_dev;
821				kp.key = sonypi_inputkeys[i].inputev;
822				break;
823			}
824		break;
825	}
826
827	if (kp.dev) {
828		input_report_key(kp.dev, kp.key, 1);
829		input_sync(kp.dev);
830		kfifo_in_locked(&sonypi_device.input_fifo,
831			(unsigned char *)&kp, sizeof(kp),
832			&sonypi_device.input_fifo_lock);
833		schedule_work(&sonypi_device.input_work);
834	}
835}
836
837/* Interrupt handler: some event is available */
838static irqreturn_t sonypi_irq(int irq, void *dev_id)
839{
840	u8 v1, v2, event = 0;
841	int i, j;
842
843	v1 = inb_p(sonypi_device.ioport1);
844	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
845
846	for (i = 0; sonypi_eventtypes[i].model; i++) {
847		if (sonypi_device.model != sonypi_eventtypes[i].model)
848			continue;
849		if ((v2 & sonypi_eventtypes[i].data) !=
850		    sonypi_eventtypes[i].data)
851			continue;
852		if (!(mask & sonypi_eventtypes[i].mask))
853			continue;
854		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
855			if (v1 == sonypi_eventtypes[i].events[j].data) {
856				event = sonypi_eventtypes[i].events[j].event;
857				goto found;
858			}
859		}
860	}
861
862	if (verbose)
863		printk(KERN_WARNING
864		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
865		       v1, v2);
866	/* We need to return IRQ_HANDLED here because there *are*
867	 * events belonging to the sonypi device we don't know about,
868	 * but we still don't want those to pollute the logs... */
869	return IRQ_HANDLED;
870
871found:
872	if (verbose > 1)
873		printk(KERN_INFO
874		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
875
876	if (useinput)
877		sonypi_report_input_event(event);
878
879	kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
880			sizeof(event), &sonypi_device.fifo_lock);
881	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
882	wake_up_interruptible(&sonypi_device.fifo_proc_list);
883
884	return IRQ_HANDLED;
885}
886
887static int sonypi_misc_fasync(int fd, struct file *filp, int on)
888{
889	return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
890}
891
892static int sonypi_misc_release(struct inode *inode, struct file *file)
893{
894	mutex_lock(&sonypi_device.lock);
895	sonypi_device.open_count--;
896	mutex_unlock(&sonypi_device.lock);
897	return 0;
898}
899
900static int sonypi_misc_open(struct inode *inode, struct file *file)
901{
902	mutex_lock(&sonypi_device.lock);
903	/* Flush input queue on first open */
904	if (!sonypi_device.open_count)
905		kfifo_reset(&sonypi_device.fifo);
906	sonypi_device.open_count++;
907	mutex_unlock(&sonypi_device.lock);
908
909	return 0;
910}
911
912static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
913				size_t count, loff_t *pos)
914{
915	ssize_t ret;
916	unsigned char c;
917
918	if ((kfifo_len(&sonypi_device.fifo) == 0) &&
919	    (file->f_flags & O_NONBLOCK))
920		return -EAGAIN;
921
922	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
923				       kfifo_len(&sonypi_device.fifo) != 0);
924	if (ret)
925		return ret;
926
927	while (ret < count &&
928	       (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
929				 &sonypi_device.fifo_lock) == sizeof(c))) {
930		if (put_user(c, buf++))
931			return -EFAULT;
932		ret++;
933	}
934
935	if (ret > 0) {
936		struct inode *inode = file_inode(file);
937		inode->i_atime = current_fs_time(inode->i_sb);
938	}
939
940	return ret;
941}
942
943static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
944{
945	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
946	if (kfifo_len(&sonypi_device.fifo))
947		return POLLIN | POLLRDNORM;
948	return 0;
949}
950
951static long sonypi_misc_ioctl(struct file *fp,
952			     unsigned int cmd, unsigned long arg)
953{
954	long ret = 0;
955	void __user *argp = (void __user *)arg;
956	u8 val8;
957	u16 val16;
958
959	mutex_lock(&sonypi_device.lock);
960	switch (cmd) {
961	case SONYPI_IOCGBRT:
962		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
963			ret = -EIO;
964			break;
965		}
966		if (copy_to_user(argp, &val8, sizeof(val8)))
967			ret = -EFAULT;
968		break;
969	case SONYPI_IOCSBRT:
970		if (copy_from_user(&val8, argp, sizeof(val8))) {
971			ret = -EFAULT;
972			break;
973		}
974		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
975			ret = -EIO;
976		break;
977	case SONYPI_IOCGBAT1CAP:
978		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
979			ret = -EIO;
980			break;
981		}
982		if (copy_to_user(argp, &val16, sizeof(val16)))
983			ret = -EFAULT;
984		break;
985	case SONYPI_IOCGBAT1REM:
986		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
987			ret = -EIO;
988			break;
989		}
990		if (copy_to_user(argp, &val16, sizeof(val16)))
991			ret = -EFAULT;
992		break;
993	case SONYPI_IOCGBAT2CAP:
994		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
995			ret = -EIO;
996			break;
997		}
998		if (copy_to_user(argp, &val16, sizeof(val16)))
999			ret = -EFAULT;
1000		break;
1001	case SONYPI_IOCGBAT2REM:
1002		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1003			ret = -EIO;
1004			break;
1005		}
1006		if (copy_to_user(argp, &val16, sizeof(val16)))
1007			ret = -EFAULT;
1008		break;
1009	case SONYPI_IOCGBATFLAGS:
1010		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1011			ret = -EIO;
1012			break;
1013		}
1014		val8 &= 0x07;
1015		if (copy_to_user(argp, &val8, sizeof(val8)))
1016			ret = -EFAULT;
1017		break;
1018	case SONYPI_IOCGBLUE:
1019		val8 = sonypi_device.bluetooth_power;
1020		if (copy_to_user(argp, &val8, sizeof(val8)))
1021			ret = -EFAULT;
1022		break;
1023	case SONYPI_IOCSBLUE:
1024		if (copy_from_user(&val8, argp, sizeof(val8))) {
1025			ret = -EFAULT;
1026			break;
1027		}
1028		sonypi_setbluetoothpower(val8);
1029		break;
1030	/* FAN Controls */
1031	case SONYPI_IOCGFAN:
1032		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1033			ret = -EIO;
1034			break;
1035		}
1036		if (copy_to_user(argp, &val8, sizeof(val8)))
1037			ret = -EFAULT;
1038		break;
1039	case SONYPI_IOCSFAN:
1040		if (copy_from_user(&val8, argp, sizeof(val8))) {
1041			ret = -EFAULT;
1042			break;
1043		}
1044		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1045			ret = -EIO;
1046		break;
1047	/* GET Temperature (useful under APM) */
1048	case SONYPI_IOCGTEMP:
1049		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1050			ret = -EIO;
1051			break;
1052		}
1053		if (copy_to_user(argp, &val8, sizeof(val8)))
1054			ret = -EFAULT;
1055		break;
1056	default:
1057		ret = -EINVAL;
1058	}
1059	mutex_unlock(&sonypi_device.lock);
1060	return ret;
1061}
1062
1063static const struct file_operations sonypi_misc_fops = {
1064	.owner		= THIS_MODULE,
1065	.read		= sonypi_misc_read,
1066	.poll		= sonypi_misc_poll,
1067	.open		= sonypi_misc_open,
1068	.release	= sonypi_misc_release,
1069	.fasync		= sonypi_misc_fasync,
1070	.unlocked_ioctl	= sonypi_misc_ioctl,
1071	.llseek		= no_llseek,
1072};
1073
1074static struct miscdevice sonypi_misc_device = {
1075	.minor		= MISC_DYNAMIC_MINOR,
1076	.name		= "sonypi",
1077	.fops		= &sonypi_misc_fops,
1078};
1079
1080static void sonypi_enable(unsigned int camera_on)
1081{
1082	switch (sonypi_device.model) {
1083	case SONYPI_DEVICE_MODEL_TYPE1:
1084		sonypi_type1_srs();
1085		break;
1086	case SONYPI_DEVICE_MODEL_TYPE2:
1087		sonypi_type2_srs();
1088		break;
1089	case SONYPI_DEVICE_MODEL_TYPE3:
1090		sonypi_type3_srs();
1091		break;
1092	}
1093
1094	sonypi_call1(0x82);
1095	sonypi_call2(0x81, 0xff);
1096	sonypi_call1(compat ? 0x92 : 0x82);
1097
1098	/* Enable ACPI mode to get Fn key events */
1099	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1100		outb(0xf0, 0xb2);
1101
1102	if (camera && camera_on)
1103		sonypi_camera_on();
1104}
1105
1106static int sonypi_disable(void)
1107{
1108	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1109	if (camera)
1110		sonypi_camera_off();
1111
1112	/* disable ACPI mode */
1113	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1114		outb(0xf1, 0xb2);
1115
1116	switch (sonypi_device.model) {
1117	case SONYPI_DEVICE_MODEL_TYPE1:
1118		sonypi_type1_dis();
1119		break;
1120	case SONYPI_DEVICE_MODEL_TYPE2:
1121		sonypi_type2_dis();
1122		break;
1123	case SONYPI_DEVICE_MODEL_TYPE3:
1124		sonypi_type3_dis();
1125		break;
1126	}
1127
1128	return 0;
1129}
1130
1131#ifdef CONFIG_ACPI
1132static int sonypi_acpi_add(struct acpi_device *device)
1133{
1134	sonypi_acpi_device = device;
1135	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1136	strcpy(acpi_device_class(device), "sony/hotkey");
1137	return 0;
1138}
1139
1140static int sonypi_acpi_remove(struct acpi_device *device)
1141{
1142	sonypi_acpi_device = NULL;
1143	return 0;
1144}
1145
1146static const struct acpi_device_id sonypi_device_ids[] = {
1147	{"SNY6001", 0},
1148	{"", 0},
1149};
1150
1151static struct acpi_driver sonypi_acpi_driver = {
1152	.name           = "sonypi",
1153	.class          = "hkey",
1154	.ids            = sonypi_device_ids,
1155	.ops            = {
1156		           .add = sonypi_acpi_add,
1157			   .remove = sonypi_acpi_remove,
1158	},
1159};
1160#endif
1161
1162static int sonypi_create_input_devices(struct platform_device *pdev)
1163{
1164	struct input_dev *jog_dev;
1165	struct input_dev *key_dev;
1166	int i;
1167	int error;
1168
1169	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1170	if (!jog_dev)
1171		return -ENOMEM;
1172
1173	jog_dev->name = "Sony Vaio Jogdial";
1174	jog_dev->id.bustype = BUS_ISA;
1175	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1176	jog_dev->dev.parent = &pdev->dev;
1177
1178	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1179	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1180	jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1181
1182	sonypi_device.input_key_dev = key_dev = input_allocate_device();
1183	if (!key_dev) {
1184		error = -ENOMEM;
1185		goto err_free_jogdev;
1186	}
1187
1188	key_dev->name = "Sony Vaio Keys";
1189	key_dev->id.bustype = BUS_ISA;
1190	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1191	key_dev->dev.parent = &pdev->dev;
1192
1193	/* Initialize the Input Drivers: special keys */
1194	key_dev->evbit[0] = BIT_MASK(EV_KEY);
1195	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1196		if (sonypi_inputkeys[i].inputev)
1197			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1198
1199	error = input_register_device(jog_dev);
1200	if (error)
1201		goto err_free_keydev;
1202
1203	error = input_register_device(key_dev);
1204	if (error)
1205		goto err_unregister_jogdev;
1206
1207	return 0;
1208
1209 err_unregister_jogdev:
1210	input_unregister_device(jog_dev);
1211	/* Set to NULL so we don't free it again below */
1212	jog_dev = NULL;
1213 err_free_keydev:
1214	input_free_device(key_dev);
1215	sonypi_device.input_key_dev = NULL;
1216 err_free_jogdev:
1217	input_free_device(jog_dev);
1218	sonypi_device.input_jog_dev = NULL;
1219
1220	return error;
1221}
1222
1223static int sonypi_setup_ioports(struct sonypi_device *dev,
1224				const struct sonypi_ioport_list *ioport_list)
1225{
1226	/* try to detect if sony-laptop is being used and thus
1227	 * has already requested one of the known ioports.
1228	 * As in the deprecated check_region this is racy has we have
1229	 * multiple ioports available and one of them can be requested
1230	 * between this check and the subsequent request. Anyway, as an
1231	 * attempt to be some more user-friendly as we currently are,
1232	 * this is enough.
1233	 */
1234	const struct sonypi_ioport_list *check = ioport_list;
1235	while (check_ioport && check->port1) {
1236		if (!request_region(check->port1,
1237				   sonypi_device.region_size,
1238				   "Sony Programmable I/O Device Check")) {
1239			printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1240					"if not use check_ioport=0\n",
1241					check->port1);
1242			return -EBUSY;
1243		}
1244		release_region(check->port1, sonypi_device.region_size);
1245		check++;
1246	}
1247
1248	while (ioport_list->port1) {
1249
1250		if (request_region(ioport_list->port1,
1251				   sonypi_device.region_size,
1252				   "Sony Programmable I/O Device")) {
1253			dev->ioport1 = ioport_list->port1;
1254			dev->ioport2 = ioport_list->port2;
1255			return 0;
1256		}
1257		ioport_list++;
1258	}
1259
1260	return -EBUSY;
1261}
1262
1263static int sonypi_setup_irq(struct sonypi_device *dev,
1264				      const struct sonypi_irq_list *irq_list)
1265{
1266	while (irq_list->irq) {
1267
1268		if (!request_irq(irq_list->irq, sonypi_irq,
1269				 IRQF_SHARED, "sonypi", sonypi_irq)) {
1270			dev->irq = irq_list->irq;
1271			dev->bits = irq_list->bits;
1272			return 0;
1273		}
1274		irq_list++;
1275	}
1276
1277	return -EBUSY;
1278}
1279
1280static void sonypi_display_info(void)
1281{
1282	printk(KERN_INFO "sonypi: detected type%d model, "
1283	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1284	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1285	       sonypi_device.model,
1286	       verbose,
1287	       fnkeyinit ? "on" : "off",
1288	       camera ? "on" : "off",
1289	       compat ? "on" : "off",
1290	       mask,
1291	       useinput ? "on" : "off",
1292	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1293	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1294	       sonypi_device.irq,
1295	       sonypi_device.ioport1, sonypi_device.ioport2);
1296
1297	if (minor == -1)
1298		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1299		       sonypi_misc_device.minor);
1300}
1301
1302static int sonypi_probe(struct platform_device *dev)
1303{
1304	const struct sonypi_ioport_list *ioport_list;
1305	const struct sonypi_irq_list *irq_list;
1306	struct pci_dev *pcidev;
1307	int error;
1308
1309	printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1310			"and report failures, see also "
1311			"http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1312
1313	spin_lock_init(&sonypi_device.fifo_lock);
1314	error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1315	if (error) {
1316		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1317		return error;
1318	}
1319
1320	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1321	mutex_init(&sonypi_device.lock);
1322	sonypi_device.bluetooth_power = -1;
1323
1324	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1325				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1326		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1327	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1328					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1329		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1330	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1331					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1332		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1333	else
1334		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1335
1336	if (pcidev && pci_enable_device(pcidev)) {
1337		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1338		error = -EIO;
1339		goto err_put_pcidev;
1340	}
1341
1342	sonypi_device.dev = pcidev;
1343
1344	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1345		ioport_list = sonypi_type1_ioport_list;
1346		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1347		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1348		irq_list = sonypi_type1_irq_list;
1349	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1350		ioport_list = sonypi_type2_ioport_list;
1351		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1352		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1353		irq_list = sonypi_type2_irq_list;
1354	} else {
1355		ioport_list = sonypi_type3_ioport_list;
1356		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1357		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1358		irq_list = sonypi_type3_irq_list;
1359	}
1360
1361	error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1362	if (error) {
1363		printk(KERN_ERR "sonypi: failed to request ioports\n");
1364		goto err_disable_pcidev;
1365	}
1366
1367	error = sonypi_setup_irq(&sonypi_device, irq_list);
1368	if (error) {
1369		printk(KERN_ERR "sonypi: request_irq failed\n");
1370		goto err_free_ioports;
1371	}
1372
1373	if (minor != -1)
1374		sonypi_misc_device.minor = minor;
1375	error = misc_register(&sonypi_misc_device);
1376	if (error) {
1377		printk(KERN_ERR "sonypi: misc_register failed\n");
1378		goto err_free_irq;
1379	}
1380
1381	sonypi_display_info();
1382
1383	if (useinput) {
1384
1385		error = sonypi_create_input_devices(dev);
1386		if (error) {
1387			printk(KERN_ERR
1388				"sonypi: failed to create input devices\n");
1389			goto err_miscdev_unregister;
1390		}
1391
1392		spin_lock_init(&sonypi_device.input_fifo_lock);
1393		error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1394				GFP_KERNEL);
1395		if (error) {
1396			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1397			goto err_inpdev_unregister;
1398		}
1399
1400		INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1401	}
1402
1403	sonypi_enable(0);
1404
1405	return 0;
1406
1407 err_inpdev_unregister:
1408	input_unregister_device(sonypi_device.input_key_dev);
1409	input_unregister_device(sonypi_device.input_jog_dev);
1410 err_miscdev_unregister:
1411	misc_deregister(&sonypi_misc_device);
1412 err_free_irq:
1413	free_irq(sonypi_device.irq, sonypi_irq);
1414 err_free_ioports:
1415	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1416 err_disable_pcidev:
1417	if (pcidev)
1418		pci_disable_device(pcidev);
1419 err_put_pcidev:
1420	pci_dev_put(pcidev);
1421	kfifo_free(&sonypi_device.fifo);
1422
1423	return error;
1424}
1425
1426static int sonypi_remove(struct platform_device *dev)
1427{
1428	sonypi_disable();
1429
1430	synchronize_irq(sonypi_device.irq);
1431	flush_work(&sonypi_device.input_work);
1432
1433	if (useinput) {
1434		input_unregister_device(sonypi_device.input_key_dev);
1435		input_unregister_device(sonypi_device.input_jog_dev);
1436		kfifo_free(&sonypi_device.input_fifo);
1437	}
1438
1439	misc_deregister(&sonypi_misc_device);
1440
1441	free_irq(sonypi_device.irq, sonypi_irq);
1442	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1443
1444	if (sonypi_device.dev) {
1445		pci_disable_device(sonypi_device.dev);
1446		pci_dev_put(sonypi_device.dev);
1447	}
1448
1449	kfifo_free(&sonypi_device.fifo);
1450
1451	return 0;
1452}
1453
1454#ifdef CONFIG_PM_SLEEP
1455static int old_camera_power;
1456
1457static int sonypi_suspend(struct device *dev)
1458{
1459	old_camera_power = sonypi_device.camera_power;
1460	sonypi_disable();
1461
1462	return 0;
1463}
1464
1465static int sonypi_resume(struct device *dev)
1466{
1467	sonypi_enable(old_camera_power);
1468	return 0;
1469}
1470
1471static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1472#define SONYPI_PM	(&sonypi_pm)
1473#else
1474#define SONYPI_PM	NULL
1475#endif
1476
1477static void sonypi_shutdown(struct platform_device *dev)
1478{
1479	sonypi_disable();
1480}
1481
1482static struct platform_driver sonypi_driver = {
1483	.driver		= {
1484		.name	= "sonypi",
1485		.pm	= SONYPI_PM,
1486	},
1487	.probe		= sonypi_probe,
1488	.remove		= sonypi_remove,
1489	.shutdown	= sonypi_shutdown,
1490};
1491
1492static struct platform_device *sonypi_platform_device;
1493
1494static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1495	{
1496		.ident = "Sony Vaio",
1497		.matches = {
1498			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1499			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1500		},
1501	},
1502	{
1503		.ident = "Sony Vaio",
1504		.matches = {
1505			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1506			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1507		},
1508	},
1509	{ }
1510};
1511
1512static int __init sonypi_init(void)
1513{
1514	int error;
1515
1516	printk(KERN_INFO
1517		"sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1518		SONYPI_DRIVER_VERSION);
1519
1520	if (!dmi_check_system(sonypi_dmi_table))
1521		return -ENODEV;
1522
1523	error = platform_driver_register(&sonypi_driver);
1524	if (error)
1525		return error;
1526
1527	sonypi_platform_device = platform_device_alloc("sonypi", -1);
1528	if (!sonypi_platform_device) {
1529		error = -ENOMEM;
1530		goto err_driver_unregister;
1531	}
1532
1533	error = platform_device_add(sonypi_platform_device);
1534	if (error)
1535		goto err_free_device;
1536
1537#ifdef CONFIG_ACPI
1538	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1539		acpi_driver_registered = 1;
1540#endif
1541
1542	return 0;
1543
1544 err_free_device:
1545	platform_device_put(sonypi_platform_device);
1546 err_driver_unregister:
1547	platform_driver_unregister(&sonypi_driver);
1548	return error;
1549}
1550
1551static void __exit sonypi_exit(void)
1552{
1553#ifdef CONFIG_ACPI
1554	if (acpi_driver_registered)
1555		acpi_bus_unregister_driver(&sonypi_acpi_driver);
1556#endif
1557	platform_device_unregister(sonypi_platform_device);
1558	platform_driver_unregister(&sonypi_driver);
1559	printk(KERN_INFO "sonypi: removed.\n");
1560}
1561
1562module_init(sonypi_init);
1563module_exit(sonypi_exit);
1564