1/*
2 * Sony Programmable I/O Control Device driver for VAIO
3 *
4 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
5 *
6 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
7 *
8 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
9 *
10 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
11 *
12 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
13 *
14 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
15 *
16 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
17 *
18 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
19 *
20 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
21 *
22 * This program is free software; you can redistribute it and/or modify
23 * it under the terms of the GNU General Public License as published by
24 * the Free Software Foundation; either version 2 of the License, or
25 * (at your option) any later version.
26 *
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
30 * GNU General Public License for more details.
31 *
32 * You should have received a copy of the GNU General Public License
33 * along with this program; if not, write to the Free Software
34 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
35 *
36 */
37
38#include <linux/module.h>
39#include <linux/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#if 0
688/* Get brightness, hue etc. Unreliable... */
689static u8 sonypi_read(u8 fn)
690{
691	u8 v1, v2;
692	int n = 100;
693
694	while (n--) {
695		v1 = sonypi_call2(0x8f, fn);
696		v2 = sonypi_call2(0x8f, fn);
697		if (v1 == v2 && v1 != 0xff)
698			return v1;
699	}
700	return 0xff;
701}
702#endif
703
704/* Set brightness, hue etc */
705static void sonypi_set(u8 fn, u8 v)
706{
707	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
708}
709
710/* Tests if the camera is ready */
711static int sonypi_camera_ready(void)
712{
713	u8 v;
714
715	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
716	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
717}
718
719/* Turns the camera off */
720static void sonypi_camera_off(void)
721{
722	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
723
724	if (!sonypi_device.camera_power)
725		return;
726
727	sonypi_call2(0x91, 0);
728	sonypi_device.camera_power = 0;
729}
730
731/* Turns the camera on */
732static void sonypi_camera_on(void)
733{
734	int i, j;
735
736	if (sonypi_device.camera_power)
737		return;
738
739	for (j = 5; j > 0; j--) {
740
741		while (sonypi_call2(0x91, 0x1))
742			msleep(10);
743		sonypi_call1(0x93);
744
745		for (i = 400; i > 0; i--) {
746			if (sonypi_camera_ready())
747				break;
748			msleep(10);
749		}
750		if (i)
751			break;
752	}
753
754	if (j == 0) {
755		printk(KERN_WARNING "sonypi: failed to power on camera\n");
756		return;
757	}
758
759	sonypi_set(0x10, 0x5a);
760	sonypi_device.camera_power = 1;
761}
762
763/* sets the bluetooth subsystem power state */
764static void sonypi_setbluetoothpower(u8 state)
765{
766	state = !!state;
767
768	if (sonypi_device.bluetooth_power == state)
769		return;
770
771	sonypi_call2(0x96, state);
772	sonypi_call1(0x82);
773	sonypi_device.bluetooth_power = state;
774}
775
776static void input_keyrelease(struct work_struct *work)
777{
778	struct sonypi_keypress kp;
779
780	while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
781			 sizeof(kp), &sonypi_device.input_fifo_lock)
782			== sizeof(kp)) {
783		msleep(10);
784		input_report_key(kp.dev, kp.key, 0);
785		input_sync(kp.dev);
786	}
787}
788
789static void sonypi_report_input_event(u8 event)
790{
791	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
792	struct input_dev *key_dev = sonypi_device.input_key_dev;
793	struct sonypi_keypress kp = { NULL };
794	int i;
795
796	switch (event) {
797	case SONYPI_EVENT_JOGDIAL_UP:
798	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
799		input_report_rel(jog_dev, REL_WHEEL, 1);
800		input_sync(jog_dev);
801		break;
802
803	case SONYPI_EVENT_JOGDIAL_DOWN:
804	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
805		input_report_rel(jog_dev, REL_WHEEL, -1);
806		input_sync(jog_dev);
807		break;
808
809	case SONYPI_EVENT_JOGDIAL_PRESSED:
810		kp.key = BTN_MIDDLE;
811		kp.dev = jog_dev;
812		break;
813
814	case SONYPI_EVENT_FNKEY_RELEASED:
815		/* Nothing, not all VAIOs generate this event */
816		break;
817
818	default:
819		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
820			if (event == sonypi_inputkeys[i].sonypiev) {
821				kp.dev = key_dev;
822				kp.key = sonypi_inputkeys[i].inputev;
823				break;
824			}
825		break;
826	}
827
828	if (kp.dev) {
829		input_report_key(kp.dev, kp.key, 1);
830		input_sync(kp.dev);
831		kfifo_in_locked(&sonypi_device.input_fifo,
832			(unsigned char *)&kp, sizeof(kp),
833			&sonypi_device.input_fifo_lock);
834		schedule_work(&sonypi_device.input_work);
835	}
836}
837
838/* Interrupt handler: some event is available */
839static irqreturn_t sonypi_irq(int irq, void *dev_id)
840{
841	u8 v1, v2, event = 0;
842	int i, j;
843
844	v1 = inb_p(sonypi_device.ioport1);
845	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
846
847	for (i = 0; sonypi_eventtypes[i].model; i++) {
848		if (sonypi_device.model != sonypi_eventtypes[i].model)
849			continue;
850		if ((v2 & sonypi_eventtypes[i].data) !=
851		    sonypi_eventtypes[i].data)
852			continue;
853		if (!(mask & sonypi_eventtypes[i].mask))
854			continue;
855		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
856			if (v1 == sonypi_eventtypes[i].events[j].data) {
857				event = sonypi_eventtypes[i].events[j].event;
858				goto found;
859			}
860		}
861	}
862
863	if (verbose)
864		printk(KERN_WARNING
865		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
866		       v1, v2);
867	/* We need to return IRQ_HANDLED here because there *are*
868	 * events belonging to the sonypi device we don't know about,
869	 * but we still don't want those to pollute the logs... */
870	return IRQ_HANDLED;
871
872found:
873	if (verbose > 1)
874		printk(KERN_INFO
875		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
876
877	if (useinput)
878		sonypi_report_input_event(event);
879
880#ifdef CONFIG_ACPI
881	if (sonypi_acpi_device)
882		acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
883#endif
884
885	kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
886			sizeof(event), &sonypi_device.fifo_lock);
887	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
888	wake_up_interruptible(&sonypi_device.fifo_proc_list);
889
890	return IRQ_HANDLED;
891}
892
893static int sonypi_misc_fasync(int fd, struct file *filp, int on)
894{
895	return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
896}
897
898static int sonypi_misc_release(struct inode *inode, struct file *file)
899{
900	mutex_lock(&sonypi_device.lock);
901	sonypi_device.open_count--;
902	mutex_unlock(&sonypi_device.lock);
903	return 0;
904}
905
906static int sonypi_misc_open(struct inode *inode, struct file *file)
907{
908	mutex_lock(&sonypi_device.lock);
909	/* Flush input queue on first open */
910	if (!sonypi_device.open_count)
911		kfifo_reset(&sonypi_device.fifo);
912	sonypi_device.open_count++;
913	mutex_unlock(&sonypi_device.lock);
914
915	return 0;
916}
917
918static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
919				size_t count, loff_t *pos)
920{
921	ssize_t ret;
922	unsigned char c;
923
924	if ((kfifo_len(&sonypi_device.fifo) == 0) &&
925	    (file->f_flags & O_NONBLOCK))
926		return -EAGAIN;
927
928	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
929				       kfifo_len(&sonypi_device.fifo) != 0);
930	if (ret)
931		return ret;
932
933	while (ret < count &&
934	       (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
935				 &sonypi_device.fifo_lock) == sizeof(c))) {
936		if (put_user(c, buf++))
937			return -EFAULT;
938		ret++;
939	}
940
941	if (ret > 0) {
942		struct inode *inode = file->f_path.dentry->d_inode;
943		inode->i_atime = current_fs_time(inode->i_sb);
944	}
945
946	return ret;
947}
948
949static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
950{
951	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
952	if (kfifo_len(&sonypi_device.fifo))
953		return POLLIN | POLLRDNORM;
954	return 0;
955}
956
957static long sonypi_misc_ioctl(struct file *fp,
958			     unsigned int cmd, unsigned long arg)
959{
960	long ret = 0;
961	void __user *argp = (void __user *)arg;
962	u8 val8;
963	u16 val16;
964
965	mutex_lock(&sonypi_device.lock);
966	switch (cmd) {
967	case SONYPI_IOCGBRT:
968		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
969			ret = -EIO;
970			break;
971		}
972		if (copy_to_user(argp, &val8, sizeof(val8)))
973			ret = -EFAULT;
974		break;
975	case SONYPI_IOCSBRT:
976		if (copy_from_user(&val8, argp, sizeof(val8))) {
977			ret = -EFAULT;
978			break;
979		}
980		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
981			ret = -EIO;
982		break;
983	case SONYPI_IOCGBAT1CAP:
984		if (ec_read16(SONYPI_BAT1_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_IOCGBAT1REM:
992		if (ec_read16(SONYPI_BAT1_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_IOCGBAT2CAP:
1000		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1001			ret = -EIO;
1002			break;
1003		}
1004		if (copy_to_user(argp, &val16, sizeof(val16)))
1005			ret = -EFAULT;
1006		break;
1007	case SONYPI_IOCGBAT2REM:
1008		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1009			ret = -EIO;
1010			break;
1011		}
1012		if (copy_to_user(argp, &val16, sizeof(val16)))
1013			ret = -EFAULT;
1014		break;
1015	case SONYPI_IOCGBATFLAGS:
1016		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1017			ret = -EIO;
1018			break;
1019		}
1020		val8 &= 0x07;
1021		if (copy_to_user(argp, &val8, sizeof(val8)))
1022			ret = -EFAULT;
1023		break;
1024	case SONYPI_IOCGBLUE:
1025		val8 = sonypi_device.bluetooth_power;
1026		if (copy_to_user(argp, &val8, sizeof(val8)))
1027			ret = -EFAULT;
1028		break;
1029	case SONYPI_IOCSBLUE:
1030		if (copy_from_user(&val8, argp, sizeof(val8))) {
1031			ret = -EFAULT;
1032			break;
1033		}
1034		sonypi_setbluetoothpower(val8);
1035		break;
1036	/* FAN Controls */
1037	case SONYPI_IOCGFAN:
1038		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1039			ret = -EIO;
1040			break;
1041		}
1042		if (copy_to_user(argp, &val8, sizeof(val8)))
1043			ret = -EFAULT;
1044		break;
1045	case SONYPI_IOCSFAN:
1046		if (copy_from_user(&val8, argp, sizeof(val8))) {
1047			ret = -EFAULT;
1048			break;
1049		}
1050		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1051			ret = -EIO;
1052		break;
1053	/* GET Temperature (useful under APM) */
1054	case SONYPI_IOCGTEMP:
1055		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1056			ret = -EIO;
1057			break;
1058		}
1059		if (copy_to_user(argp, &val8, sizeof(val8)))
1060			ret = -EFAULT;
1061		break;
1062	default:
1063		ret = -EINVAL;
1064	}
1065	mutex_unlock(&sonypi_device.lock);
1066	return ret;
1067}
1068
1069static const struct file_operations sonypi_misc_fops = {
1070	.owner		= THIS_MODULE,
1071	.read		= sonypi_misc_read,
1072	.poll		= sonypi_misc_poll,
1073	.open		= sonypi_misc_open,
1074	.release	= sonypi_misc_release,
1075	.fasync		= sonypi_misc_fasync,
1076	.unlocked_ioctl	= sonypi_misc_ioctl,
1077	.llseek		= no_llseek,
1078};
1079
1080static struct miscdevice sonypi_misc_device = {
1081	.minor		= MISC_DYNAMIC_MINOR,
1082	.name		= "sonypi",
1083	.fops		= &sonypi_misc_fops,
1084};
1085
1086static void sonypi_enable(unsigned int camera_on)
1087{
1088	switch (sonypi_device.model) {
1089	case SONYPI_DEVICE_MODEL_TYPE1:
1090		sonypi_type1_srs();
1091		break;
1092	case SONYPI_DEVICE_MODEL_TYPE2:
1093		sonypi_type2_srs();
1094		break;
1095	case SONYPI_DEVICE_MODEL_TYPE3:
1096		sonypi_type3_srs();
1097		break;
1098	}
1099
1100	sonypi_call1(0x82);
1101	sonypi_call2(0x81, 0xff);
1102	sonypi_call1(compat ? 0x92 : 0x82);
1103
1104	/* Enable ACPI mode to get Fn key events */
1105	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1106		outb(0xf0, 0xb2);
1107
1108	if (camera && camera_on)
1109		sonypi_camera_on();
1110}
1111
1112static int sonypi_disable(void)
1113{
1114	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1115	if (camera)
1116		sonypi_camera_off();
1117
1118	/* disable ACPI mode */
1119	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1120		outb(0xf1, 0xb2);
1121
1122	switch (sonypi_device.model) {
1123	case SONYPI_DEVICE_MODEL_TYPE1:
1124		sonypi_type1_dis();
1125		break;
1126	case SONYPI_DEVICE_MODEL_TYPE2:
1127		sonypi_type2_dis();
1128		break;
1129	case SONYPI_DEVICE_MODEL_TYPE3:
1130		sonypi_type3_dis();
1131		break;
1132	}
1133
1134	return 0;
1135}
1136
1137#ifdef CONFIG_ACPI
1138static int sonypi_acpi_add(struct acpi_device *device)
1139{
1140	sonypi_acpi_device = device;
1141	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1142	strcpy(acpi_device_class(device), "sony/hotkey");
1143	return 0;
1144}
1145
1146static int sonypi_acpi_remove(struct acpi_device *device, int type)
1147{
1148	sonypi_acpi_device = NULL;
1149	return 0;
1150}
1151
1152static const struct acpi_device_id sonypi_device_ids[] = {
1153	{"SNY6001", 0},
1154	{"", 0},
1155};
1156
1157static struct acpi_driver sonypi_acpi_driver = {
1158	.name           = "sonypi",
1159	.class          = "hkey",
1160	.ids            = sonypi_device_ids,
1161	.ops            = {
1162		           .add = sonypi_acpi_add,
1163			   .remove = sonypi_acpi_remove,
1164	},
1165};
1166#endif
1167
1168static int __devinit sonypi_create_input_devices(struct platform_device *pdev)
1169{
1170	struct input_dev *jog_dev;
1171	struct input_dev *key_dev;
1172	int i;
1173	int error;
1174
1175	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1176	if (!jog_dev)
1177		return -ENOMEM;
1178
1179	jog_dev->name = "Sony Vaio Jogdial";
1180	jog_dev->id.bustype = BUS_ISA;
1181	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1182	jog_dev->dev.parent = &pdev->dev;
1183
1184	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1185	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1186	jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1187
1188	sonypi_device.input_key_dev = key_dev = input_allocate_device();
1189	if (!key_dev) {
1190		error = -ENOMEM;
1191		goto err_free_jogdev;
1192	}
1193
1194	key_dev->name = "Sony Vaio Keys";
1195	key_dev->id.bustype = BUS_ISA;
1196	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1197	key_dev->dev.parent = &pdev->dev;
1198
1199	/* Initialize the Input Drivers: special keys */
1200	key_dev->evbit[0] = BIT_MASK(EV_KEY);
1201	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1202		if (sonypi_inputkeys[i].inputev)
1203			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1204
1205	error = input_register_device(jog_dev);
1206	if (error)
1207		goto err_free_keydev;
1208
1209	error = input_register_device(key_dev);
1210	if (error)
1211		goto err_unregister_jogdev;
1212
1213	return 0;
1214
1215 err_unregister_jogdev:
1216	input_unregister_device(jog_dev);
1217	/* Set to NULL so we don't free it again below */
1218	jog_dev = NULL;
1219 err_free_keydev:
1220	input_free_device(key_dev);
1221	sonypi_device.input_key_dev = NULL;
1222 err_free_jogdev:
1223	input_free_device(jog_dev);
1224	sonypi_device.input_jog_dev = NULL;
1225
1226	return error;
1227}
1228
1229static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1230				const struct sonypi_ioport_list *ioport_list)
1231{
1232	/* try to detect if sony-laptop is being used and thus
1233	 * has already requested one of the known ioports.
1234	 * As in the deprecated check_region this is racy has we have
1235	 * multiple ioports available and one of them can be requested
1236	 * between this check and the subsequent request. Anyway, as an
1237	 * attempt to be some more user-friendly as we currently are,
1238	 * this is enough.
1239	 */
1240	const struct sonypi_ioport_list *check = ioport_list;
1241	while (check_ioport && check->port1) {
1242		if (!request_region(check->port1,
1243				   sonypi_device.region_size,
1244				   "Sony Programmable I/O Device Check")) {
1245			printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1246					"if not use check_ioport=0\n",
1247					check->port1);
1248			return -EBUSY;
1249		}
1250		release_region(check->port1, sonypi_device.region_size);
1251		check++;
1252	}
1253
1254	while (ioport_list->port1) {
1255
1256		if (request_region(ioport_list->port1,
1257				   sonypi_device.region_size,
1258				   "Sony Programmable I/O Device")) {
1259			dev->ioport1 = ioport_list->port1;
1260			dev->ioport2 = ioport_list->port2;
1261			return 0;
1262		}
1263		ioport_list++;
1264	}
1265
1266	return -EBUSY;
1267}
1268
1269static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1270				      const struct sonypi_irq_list *irq_list)
1271{
1272	while (irq_list->irq) {
1273
1274		if (!request_irq(irq_list->irq, sonypi_irq,
1275				 IRQF_SHARED, "sonypi", sonypi_irq)) {
1276			dev->irq = irq_list->irq;
1277			dev->bits = irq_list->bits;
1278			return 0;
1279		}
1280		irq_list++;
1281	}
1282
1283	return -EBUSY;
1284}
1285
1286static void __devinit sonypi_display_info(void)
1287{
1288	printk(KERN_INFO "sonypi: detected type%d model, "
1289	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1290	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1291	       sonypi_device.model,
1292	       verbose,
1293	       fnkeyinit ? "on" : "off",
1294	       camera ? "on" : "off",
1295	       compat ? "on" : "off",
1296	       mask,
1297	       useinput ? "on" : "off",
1298	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1299	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1300	       sonypi_device.irq,
1301	       sonypi_device.ioport1, sonypi_device.ioport2);
1302
1303	if (minor == -1)
1304		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1305		       sonypi_misc_device.minor);
1306}
1307
1308static int __devinit sonypi_probe(struct platform_device *dev)
1309{
1310	const struct sonypi_ioport_list *ioport_list;
1311	const struct sonypi_irq_list *irq_list;
1312	struct pci_dev *pcidev;
1313	int error;
1314
1315	printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1316			"and report failures, see also "
1317			"http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1318
1319	spin_lock_init(&sonypi_device.fifo_lock);
1320	error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1321	if (error) {
1322		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1323		return error;
1324	}
1325
1326	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1327	mutex_init(&sonypi_device.lock);
1328	sonypi_device.bluetooth_power = -1;
1329
1330	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1331				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1332		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1333	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1334					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1335		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1336	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1337					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1338		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1339	else
1340		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1341
1342	if (pcidev && pci_enable_device(pcidev)) {
1343		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1344		error = -EIO;
1345		goto err_put_pcidev;
1346	}
1347
1348	sonypi_device.dev = pcidev;
1349
1350	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1351		ioport_list = sonypi_type1_ioport_list;
1352		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1353		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1354		irq_list = sonypi_type1_irq_list;
1355	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1356		ioport_list = sonypi_type2_ioport_list;
1357		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1358		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1359		irq_list = sonypi_type2_irq_list;
1360	} else {
1361		ioport_list = sonypi_type3_ioport_list;
1362		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1363		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1364		irq_list = sonypi_type3_irq_list;
1365	}
1366
1367	error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1368	if (error) {
1369		printk(KERN_ERR "sonypi: failed to request ioports\n");
1370		goto err_disable_pcidev;
1371	}
1372
1373	error = sonypi_setup_irq(&sonypi_device, irq_list);
1374	if (error) {
1375		printk(KERN_ERR "sonypi: request_irq failed\n");
1376		goto err_free_ioports;
1377	}
1378
1379	if (minor != -1)
1380		sonypi_misc_device.minor = minor;
1381	error = misc_register(&sonypi_misc_device);
1382	if (error) {
1383		printk(KERN_ERR "sonypi: misc_register failed\n");
1384		goto err_free_irq;
1385	}
1386
1387	sonypi_display_info();
1388
1389	if (useinput) {
1390
1391		error = sonypi_create_input_devices(dev);
1392		if (error) {
1393			printk(KERN_ERR
1394				"sonypi: failed to create input devices\n");
1395			goto err_miscdev_unregister;
1396		}
1397
1398		spin_lock_init(&sonypi_device.input_fifo_lock);
1399		error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1400				GFP_KERNEL);
1401		if (error) {
1402			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1403			goto err_inpdev_unregister;
1404		}
1405
1406		INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1407	}
1408
1409	sonypi_enable(0);
1410
1411	return 0;
1412
1413 err_inpdev_unregister:
1414	input_unregister_device(sonypi_device.input_key_dev);
1415	input_unregister_device(sonypi_device.input_jog_dev);
1416 err_miscdev_unregister:
1417	misc_deregister(&sonypi_misc_device);
1418 err_free_irq:
1419	free_irq(sonypi_device.irq, sonypi_irq);
1420 err_free_ioports:
1421	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1422 err_disable_pcidev:
1423	if (pcidev)
1424		pci_disable_device(pcidev);
1425 err_put_pcidev:
1426	pci_dev_put(pcidev);
1427	kfifo_free(&sonypi_device.fifo);
1428
1429	return error;
1430}
1431
1432static int __devexit sonypi_remove(struct platform_device *dev)
1433{
1434	sonypi_disable();
1435
1436	synchronize_irq(sonypi_device.irq);
1437	flush_work_sync(&sonypi_device.input_work);
1438
1439	if (useinput) {
1440		input_unregister_device(sonypi_device.input_key_dev);
1441		input_unregister_device(sonypi_device.input_jog_dev);
1442		kfifo_free(&sonypi_device.input_fifo);
1443	}
1444
1445	misc_deregister(&sonypi_misc_device);
1446
1447	free_irq(sonypi_device.irq, sonypi_irq);
1448	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1449
1450	if (sonypi_device.dev) {
1451		pci_disable_device(sonypi_device.dev);
1452		pci_dev_put(sonypi_device.dev);
1453	}
1454
1455	kfifo_free(&sonypi_device.fifo);
1456
1457	return 0;
1458}
1459
1460#ifdef CONFIG_PM
1461static int old_camera_power;
1462
1463static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1464{
1465	old_camera_power = sonypi_device.camera_power;
1466	sonypi_disable();
1467
1468	return 0;
1469}
1470
1471static int sonypi_resume(struct platform_device *dev)
1472{
1473	sonypi_enable(old_camera_power);
1474	return 0;
1475}
1476#else
1477#define sonypi_suspend	NULL
1478#define sonypi_resume	NULL
1479#endif
1480
1481static void sonypi_shutdown(struct platform_device *dev)
1482{
1483	sonypi_disable();
1484}
1485
1486static struct platform_driver sonypi_driver = {
1487	.driver		= {
1488		.name	= "sonypi",
1489		.owner	= THIS_MODULE,
1490	},
1491	.probe		= sonypi_probe,
1492	.remove		= __devexit_p(sonypi_remove),
1493	.shutdown	= sonypi_shutdown,
1494	.suspend	= sonypi_suspend,
1495	.resume		= sonypi_resume,
1496};
1497
1498static struct platform_device *sonypi_platform_device;
1499
1500static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1501	{
1502		.ident = "Sony Vaio",
1503		.matches = {
1504			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1505			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1506		},
1507	},
1508	{
1509		.ident = "Sony Vaio",
1510		.matches = {
1511			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1512			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1513		},
1514	},
1515	{ }
1516};
1517
1518static int __init sonypi_init(void)
1519{
1520	int error;
1521
1522	printk(KERN_INFO
1523		"sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1524		SONYPI_DRIVER_VERSION);
1525
1526	if (!dmi_check_system(sonypi_dmi_table))
1527		return -ENODEV;
1528
1529	error = platform_driver_register(&sonypi_driver);
1530	if (error)
1531		return error;
1532
1533	sonypi_platform_device = platform_device_alloc("sonypi", -1);
1534	if (!sonypi_platform_device) {
1535		error = -ENOMEM;
1536		goto err_driver_unregister;
1537	}
1538
1539	error = platform_device_add(sonypi_platform_device);
1540	if (error)
1541		goto err_free_device;
1542
1543#ifdef CONFIG_ACPI
1544	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1545		acpi_driver_registered = 1;
1546#endif
1547
1548	return 0;
1549
1550 err_free_device:
1551	platform_device_put(sonypi_platform_device);
1552 err_driver_unregister:
1553	platform_driver_unregister(&sonypi_driver);
1554	return error;
1555}
1556
1557static void __exit sonypi_exit(void)
1558{
1559#ifdef CONFIG_ACPI
1560	if (acpi_driver_registered)
1561		acpi_bus_unregister_driver(&sonypi_acpi_driver);
1562#endif
1563	platform_device_unregister(sonypi_platform_device);
1564	platform_driver_unregister(&sonypi_driver);
1565	printk(KERN_INFO "sonypi: removed.\n");
1566}
1567
1568module_init(sonypi_init);
1569module_exit(sonypi_exit);
1570