1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Sony Programmable I/O Control Device driver for VAIO
4 *
5 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
6 *
7 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
8 *
9 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
10 *
11 * Copyright (C) 2001-2002 Alc��ve <www.alcove.com>
12 *
13 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
14 *
15 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
16 *
17 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
18 *
19 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
20 *
21 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
22 */
23
24#include <linux/module.h>
25#include <linux/sched.h>
26#include <linux/input.h>
27#include <linux/pci.h>
28#include <linux/init.h>
29#include <linux/interrupt.h>
30#include <linux/miscdevice.h>
31#include <linux/poll.h>
32#include <linux/delay.h>
33#include <linux/wait.h>
34#include <linux/acpi.h>
35#include <linux/dmi.h>
36#include <linux/err.h>
37#include <linux/kfifo.h>
38#include <linux/platform_device.h>
39#include <linux/gfp.h>
40
41#include <linux/uaccess.h>
42#include <asm/io.h>
43
44#include <linux/sonypi.h>
45
46#define SONYPI_DRIVER_VERSION	 "1.26"
47
48MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
49MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
50MODULE_LICENSE("GPL");
51MODULE_VERSION(SONYPI_DRIVER_VERSION);
52
53static int minor = -1;
54module_param(minor, int, 0);
55MODULE_PARM_DESC(minor,
56		 "minor number of the misc device, default is -1 (automatic)");
57
58static int verbose;		/* = 0 */
59module_param(verbose, int, 0644);
60MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
61
62static int fnkeyinit;		/* = 0 */
63module_param(fnkeyinit, int, 0444);
64MODULE_PARM_DESC(fnkeyinit,
65		 "set this if your Fn keys do not generate any event");
66
67static int camera;		/* = 0 */
68module_param(camera, int, 0444);
69MODULE_PARM_DESC(camera,
70		 "set this if you have a MotionEye camera (PictureBook series)");
71
72static int compat;		/* = 0 */
73module_param(compat, int, 0444);
74MODULE_PARM_DESC(compat,
75		 "set this if you want to enable backward compatibility mode");
76
77static unsigned long mask = 0xffffffff;
78module_param(mask, ulong, 0644);
79MODULE_PARM_DESC(mask,
80		 "set this to the mask of event you want to enable (see doc)");
81
82static int useinput = 1;
83module_param(useinput, int, 0444);
84MODULE_PARM_DESC(useinput,
85		 "set this if you would like sonypi to feed events to the input subsystem");
86
87static int check_ioport = 1;
88module_param(check_ioport, int, 0444);
89MODULE_PARM_DESC(check_ioport,
90		 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
91
92#define SONYPI_DEVICE_MODEL_TYPE1	1
93#define SONYPI_DEVICE_MODEL_TYPE2	2
94#define SONYPI_DEVICE_MODEL_TYPE3	3
95
96/* type1 models use those */
97#define SONYPI_IRQ_PORT			0x8034
98#define SONYPI_IRQ_SHIFT		22
99#define SONYPI_TYPE1_BASE		0x50
100#define SONYPI_G10A			(SONYPI_TYPE1_BASE+0x14)
101#define SONYPI_TYPE1_REGION_SIZE	0x08
102#define SONYPI_TYPE1_EVTYPE_OFFSET	0x04
103
104/* type2 series specifics */
105#define SONYPI_SIRQ			0x9b
106#define SONYPI_SLOB			0x9c
107#define SONYPI_SHIB			0x9d
108#define SONYPI_TYPE2_REGION_SIZE	0x20
109#define SONYPI_TYPE2_EVTYPE_OFFSET	0x12
110
111/* type3 series specifics */
112#define SONYPI_TYPE3_BASE		0x40
113#define SONYPI_TYPE3_GID2		(SONYPI_TYPE3_BASE+0x48) /* 16 bits */
114#define SONYPI_TYPE3_MISC		(SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
115#define SONYPI_TYPE3_REGION_SIZE	0x20
116#define SONYPI_TYPE3_EVTYPE_OFFSET	0x12
117
118/* battery / brightness addresses */
119#define SONYPI_BAT_FLAGS	0x81
120#define SONYPI_LCD_LIGHT	0x96
121#define SONYPI_BAT1_PCTRM	0xa0
122#define SONYPI_BAT1_LEFT	0xa2
123#define SONYPI_BAT1_MAXRT	0xa4
124#define SONYPI_BAT2_PCTRM	0xa8
125#define SONYPI_BAT2_LEFT	0xaa
126#define SONYPI_BAT2_MAXRT	0xac
127#define SONYPI_BAT1_MAXTK	0xb0
128#define SONYPI_BAT1_FULL	0xb2
129#define SONYPI_BAT2_MAXTK	0xb8
130#define SONYPI_BAT2_FULL	0xba
131
132/* FAN0 information (reverse engineered from ACPI tables) */
133#define SONYPI_FAN0_STATUS	0x93
134#define SONYPI_TEMP_STATUS	0xC1
135
136/* ioports used for brightness and type2 events */
137#define SONYPI_DATA_IOPORT	0x62
138#define SONYPI_CST_IOPORT	0x66
139
140/* The set of possible ioports */
141struct sonypi_ioport_list {
142	u16	port1;
143	u16	port2;
144};
145
146static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
147	{ 0x10c0, 0x10c4 },	/* looks like the default on C1Vx */
148	{ 0x1080, 0x1084 },
149	{ 0x1090, 0x1094 },
150	{ 0x10a0, 0x10a4 },
151	{ 0x10b0, 0x10b4 },
152	{ 0x0, 0x0 }
153};
154
155static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
156	{ 0x1080, 0x1084 },
157	{ 0x10a0, 0x10a4 },
158	{ 0x10c0, 0x10c4 },
159	{ 0x10e0, 0x10e4 },
160	{ 0x0, 0x0 }
161};
162
163/* same as in type 2 models */
164static struct sonypi_ioport_list *sonypi_type3_ioport_list =
165	sonypi_type2_ioport_list;
166
167/* The set of possible interrupts */
168struct sonypi_irq_list {
169	u16	irq;
170	u16	bits;
171};
172
173static struct sonypi_irq_list sonypi_type1_irq_list[] = {
174	{ 11, 0x2 },	/* IRQ 11, GO22=0,GO23=1 in AML */
175	{ 10, 0x1 },	/* IRQ 10, GO22=1,GO23=0 in AML */
176	{  5, 0x0 },	/* IRQ  5, GO22=0,GO23=0 in AML */
177	{  0, 0x3 }	/* no IRQ, GO22=1,GO23=1 in AML */
178};
179
180static struct sonypi_irq_list sonypi_type2_irq_list[] = {
181	{ 11, 0x80 },	/* IRQ 11, 0x80 in SIRQ in AML */
182	{ 10, 0x40 },	/* IRQ 10, 0x40 in SIRQ in AML */
183	{  9, 0x20 },	/* IRQ  9, 0x20 in SIRQ in AML */
184	{  6, 0x10 },	/* IRQ  6, 0x10 in SIRQ in AML */
185	{  0, 0x00 }	/* no IRQ, 0x00 in SIRQ in AML */
186};
187
188/* same as in type2 models */
189static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
190
191#define SONYPI_CAMERA_BRIGHTNESS		0
192#define SONYPI_CAMERA_CONTRAST			1
193#define SONYPI_CAMERA_HUE			2
194#define SONYPI_CAMERA_COLOR			3
195#define SONYPI_CAMERA_SHARPNESS			4
196
197#define SONYPI_CAMERA_PICTURE			5
198#define SONYPI_CAMERA_EXPOSURE_MASK		0xC
199#define SONYPI_CAMERA_WHITE_BALANCE_MASK	0x3
200#define SONYPI_CAMERA_PICTURE_MODE_MASK		0x30
201#define SONYPI_CAMERA_MUTE_MASK			0x40
202
203/* the rest don't need a loop until not 0xff */
204#define SONYPI_CAMERA_AGC			6
205#define SONYPI_CAMERA_AGC_MASK			0x30
206#define SONYPI_CAMERA_SHUTTER_MASK 		0x7
207
208#define SONYPI_CAMERA_SHUTDOWN_REQUEST		7
209#define SONYPI_CAMERA_CONTROL			0x10
210
211#define SONYPI_CAMERA_STATUS 			7
212#define SONYPI_CAMERA_STATUS_READY 		0x2
213#define SONYPI_CAMERA_STATUS_POSITION		0x4
214
215#define SONYPI_DIRECTION_BACKWARDS 		0x4
216
217#define SONYPI_CAMERA_REVISION 			8
218#define SONYPI_CAMERA_ROMVERSION 		9
219
220/* Event masks */
221#define SONYPI_JOGGER_MASK			0x00000001
222#define SONYPI_CAPTURE_MASK			0x00000002
223#define SONYPI_FNKEY_MASK			0x00000004
224#define SONYPI_BLUETOOTH_MASK			0x00000008
225#define SONYPI_PKEY_MASK			0x00000010
226#define SONYPI_BACK_MASK			0x00000020
227#define SONYPI_HELP_MASK			0x00000040
228#define SONYPI_LID_MASK				0x00000080
229#define SONYPI_ZOOM_MASK			0x00000100
230#define SONYPI_THUMBPHRASE_MASK			0x00000200
231#define SONYPI_MEYE_MASK			0x00000400
232#define SONYPI_MEMORYSTICK_MASK			0x00000800
233#define SONYPI_BATTERY_MASK			0x00001000
234#define SONYPI_WIRELESS_MASK			0x00002000
235
236struct sonypi_event {
237	u8	data;
238	u8	event;
239};
240
241/* The set of possible button release events */
242static struct sonypi_event sonypi_releaseev[] = {
243	{ 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
244	{ 0, 0 }
245};
246
247/* The set of possible jogger events  */
248static struct sonypi_event sonypi_joggerev[] = {
249	{ 0x1f, SONYPI_EVENT_JOGDIAL_UP },
250	{ 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
251	{ 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
252	{ 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
253	{ 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
254	{ 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
255	{ 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
256	{ 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
257	{ 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
258	{ 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
259	{ 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
260	{ 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
261	{ 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
262	{ 0, 0 }
263};
264
265/* The set of possible capture button events */
266static struct sonypi_event sonypi_captureev[] = {
267	{ 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
268	{ 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
269	{ 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
270	{ 0, 0 }
271};
272
273/* The set of possible fnkeys events */
274static struct sonypi_event sonypi_fnkeyev[] = {
275	{ 0x10, SONYPI_EVENT_FNKEY_ESC },
276	{ 0x11, SONYPI_EVENT_FNKEY_F1 },
277	{ 0x12, SONYPI_EVENT_FNKEY_F2 },
278	{ 0x13, SONYPI_EVENT_FNKEY_F3 },
279	{ 0x14, SONYPI_EVENT_FNKEY_F4 },
280	{ 0x15, SONYPI_EVENT_FNKEY_F5 },
281	{ 0x16, SONYPI_EVENT_FNKEY_F6 },
282	{ 0x17, SONYPI_EVENT_FNKEY_F7 },
283	{ 0x18, SONYPI_EVENT_FNKEY_F8 },
284	{ 0x19, SONYPI_EVENT_FNKEY_F9 },
285	{ 0x1a, SONYPI_EVENT_FNKEY_F10 },
286	{ 0x1b, SONYPI_EVENT_FNKEY_F11 },
287	{ 0x1c, SONYPI_EVENT_FNKEY_F12 },
288	{ 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
289	{ 0x21, SONYPI_EVENT_FNKEY_1 },
290	{ 0x22, SONYPI_EVENT_FNKEY_2 },
291	{ 0x31, SONYPI_EVENT_FNKEY_D },
292	{ 0x32, SONYPI_EVENT_FNKEY_E },
293	{ 0x33, SONYPI_EVENT_FNKEY_F },
294	{ 0x34, SONYPI_EVENT_FNKEY_S },
295	{ 0x35, SONYPI_EVENT_FNKEY_B },
296	{ 0x36, SONYPI_EVENT_FNKEY_ONLY },
297	{ 0, 0 }
298};
299
300/* The set of possible program key events */
301static struct sonypi_event sonypi_pkeyev[] = {
302	{ 0x01, SONYPI_EVENT_PKEY_P1 },
303	{ 0x02, SONYPI_EVENT_PKEY_P2 },
304	{ 0x04, SONYPI_EVENT_PKEY_P3 },
305	{ 0x5c, SONYPI_EVENT_PKEY_P1 },
306	{ 0, 0 }
307};
308
309/* The set of possible bluetooth events */
310static struct sonypi_event sonypi_blueev[] = {
311	{ 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
312	{ 0x59, SONYPI_EVENT_BLUETOOTH_ON },
313	{ 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
314	{ 0, 0 }
315};
316
317/* The set of possible wireless events */
318static struct sonypi_event sonypi_wlessev[] = {
319	{ 0x59, SONYPI_EVENT_WIRELESS_ON },
320	{ 0x5a, SONYPI_EVENT_WIRELESS_OFF },
321	{ 0, 0 }
322};
323
324/* The set of possible back button events */
325static struct sonypi_event sonypi_backev[] = {
326	{ 0x20, SONYPI_EVENT_BACK_PRESSED },
327	{ 0, 0 }
328};
329
330/* The set of possible help button events */
331static struct sonypi_event sonypi_helpev[] = {
332	{ 0x3b, SONYPI_EVENT_HELP_PRESSED },
333	{ 0, 0 }
334};
335
336
337/* The set of possible lid events */
338static struct sonypi_event sonypi_lidev[] = {
339	{ 0x51, SONYPI_EVENT_LID_CLOSED },
340	{ 0x50, SONYPI_EVENT_LID_OPENED },
341	{ 0, 0 }
342};
343
344/* The set of possible zoom events */
345static struct sonypi_event sonypi_zoomev[] = {
346	{ 0x39, SONYPI_EVENT_ZOOM_PRESSED },
347	{ 0, 0 }
348};
349
350/* The set of possible thumbphrase events */
351static struct sonypi_event sonypi_thumbphraseev[] = {
352	{ 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
353	{ 0, 0 }
354};
355
356/* The set of possible motioneye camera events */
357static struct sonypi_event sonypi_meyeev[] = {
358	{ 0x00, SONYPI_EVENT_MEYE_FACE },
359	{ 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
360	{ 0, 0 }
361};
362
363/* The set of possible memorystick events */
364static struct sonypi_event sonypi_memorystickev[] = {
365	{ 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
366	{ 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
367	{ 0, 0 }
368};
369
370/* The set of possible battery events */
371static struct sonypi_event sonypi_batteryev[] = {
372	{ 0x20, SONYPI_EVENT_BATTERY_INSERT },
373	{ 0x30, SONYPI_EVENT_BATTERY_REMOVE },
374	{ 0, 0 }
375};
376
377static struct sonypi_eventtypes {
378	int			model;
379	u8			data;
380	unsigned long		mask;
381	struct sonypi_event *	events;
382} sonypi_eventtypes[] = {
383	{ SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
384	{ SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
385	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
386	{ SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
387	{ SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
388	{ SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
389	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
390	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
391	{ SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
392	{ SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
393
394	{ SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
395	{ SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
396	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
397	{ SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
398	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
399	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
400	{ SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
401	{ SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
402	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
403	{ SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
404	{ SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
405	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
406	{ SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
407	{ SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
408
409	{ SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
410	{ SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
411	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
412	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
413	{ SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
414	{ SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
415	{ 0 }
416};
417
418#define SONYPI_BUF_SIZE	128
419
420/* Correspondance table between sonypi events and input layer events */
421static struct {
422	int sonypiev;
423	int inputev;
424} sonypi_inputkeys[] = {
425	{ SONYPI_EVENT_CAPTURE_PRESSED,	 	KEY_CAMERA },
426	{ SONYPI_EVENT_FNKEY_ONLY, 		KEY_FN },
427	{ SONYPI_EVENT_FNKEY_ESC, 		KEY_FN_ESC },
428	{ SONYPI_EVENT_FNKEY_F1, 		KEY_FN_F1 },
429	{ SONYPI_EVENT_FNKEY_F2, 		KEY_FN_F2 },
430	{ SONYPI_EVENT_FNKEY_F3, 		KEY_FN_F3 },
431	{ SONYPI_EVENT_FNKEY_F4, 		KEY_FN_F4 },
432	{ SONYPI_EVENT_FNKEY_F5, 		KEY_FN_F5 },
433	{ SONYPI_EVENT_FNKEY_F6, 		KEY_FN_F6 },
434	{ SONYPI_EVENT_FNKEY_F7, 		KEY_FN_F7 },
435	{ SONYPI_EVENT_FNKEY_F8, 		KEY_FN_F8 },
436	{ SONYPI_EVENT_FNKEY_F9,		KEY_FN_F9 },
437	{ SONYPI_EVENT_FNKEY_F10,		KEY_FN_F10 },
438	{ SONYPI_EVENT_FNKEY_F11, 		KEY_FN_F11 },
439	{ SONYPI_EVENT_FNKEY_F12,		KEY_FN_F12 },
440	{ SONYPI_EVENT_FNKEY_1, 		KEY_FN_1 },
441	{ SONYPI_EVENT_FNKEY_2, 		KEY_FN_2 },
442	{ SONYPI_EVENT_FNKEY_D,			KEY_FN_D },
443	{ SONYPI_EVENT_FNKEY_E,			KEY_FN_E },
444	{ SONYPI_EVENT_FNKEY_F,			KEY_FN_F },
445	{ SONYPI_EVENT_FNKEY_S,			KEY_FN_S },
446	{ SONYPI_EVENT_FNKEY_B,			KEY_FN_B },
447	{ SONYPI_EVENT_BLUETOOTH_PRESSED, 	KEY_BLUE },
448	{ SONYPI_EVENT_BLUETOOTH_ON, 		KEY_BLUE },
449	{ SONYPI_EVENT_PKEY_P1, 		KEY_PROG1 },
450	{ SONYPI_EVENT_PKEY_P2, 		KEY_PROG2 },
451	{ SONYPI_EVENT_PKEY_P3, 		KEY_PROG3 },
452	{ SONYPI_EVENT_BACK_PRESSED, 		KEY_BACK },
453	{ SONYPI_EVENT_HELP_PRESSED, 		KEY_HELP },
454	{ SONYPI_EVENT_ZOOM_PRESSED, 		KEY_ZOOM },
455	{ SONYPI_EVENT_THUMBPHRASE_PRESSED, 	BTN_THUMB },
456	{ 0, 0 },
457};
458
459struct sonypi_keypress {
460	struct input_dev *dev;
461	int key;
462};
463
464static struct sonypi_device {
465	struct pci_dev *dev;
466	u16 irq;
467	u16 bits;
468	u16 ioport1;
469	u16 ioport2;
470	u16 region_size;
471	u16 evtype_offset;
472	int camera_power;
473	int bluetooth_power;
474	struct mutex lock;
475	struct kfifo fifo;
476	spinlock_t fifo_lock;
477	wait_queue_head_t fifo_proc_list;
478	struct fasync_struct *fifo_async;
479	int open_count;
480	int model;
481	struct input_dev *input_jog_dev;
482	struct input_dev *input_key_dev;
483	struct work_struct input_work;
484	struct kfifo input_fifo;
485	spinlock_t input_fifo_lock;
486} sonypi_device;
487
488#define ITERATIONS_LONG		10000
489#define ITERATIONS_SHORT	10
490
491#define wait_on_command(quiet, command, iterations) { \
492	unsigned int n = iterations; \
493	while (--n && (command)) \
494		udelay(1); \
495	if (!n && (verbose || !quiet)) \
496		printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
497}
498
499#ifdef CONFIG_ACPI
500#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
501#else
502#define SONYPI_ACPI_ACTIVE 0
503#endif				/* CONFIG_ACPI */
504
505#ifdef CONFIG_ACPI
506static struct acpi_device *sonypi_acpi_device;
507static int acpi_driver_registered;
508#endif
509
510static int sonypi_ec_write(u8 addr, u8 value)
511{
512#ifdef CONFIG_ACPI
513	if (SONYPI_ACPI_ACTIVE)
514		return ec_write(addr, value);
515#endif
516	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
517	outb_p(0x81, SONYPI_CST_IOPORT);
518	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
519	outb_p(addr, SONYPI_DATA_IOPORT);
520	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
521	outb_p(value, SONYPI_DATA_IOPORT);
522	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
523	return 0;
524}
525
526static int sonypi_ec_read(u8 addr, u8 *value)
527{
528#ifdef CONFIG_ACPI
529	if (SONYPI_ACPI_ACTIVE)
530		return ec_read(addr, value);
531#endif
532	wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
533	outb_p(0x80, SONYPI_CST_IOPORT);
534	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
535	outb_p(addr, SONYPI_DATA_IOPORT);
536	wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
537	*value = inb_p(SONYPI_DATA_IOPORT);
538	return 0;
539}
540
541static int ec_read16(u8 addr, u16 *value)
542{
543	u8 val_lb, val_hb;
544	if (sonypi_ec_read(addr, &val_lb))
545		return -1;
546	if (sonypi_ec_read(addr + 1, &val_hb))
547		return -1;
548	*value = val_lb | (val_hb << 8);
549	return 0;
550}
551
552/* Initializes the device - this comes from the AML code in the ACPI bios */
553static void sonypi_type1_srs(void)
554{
555	u32 v;
556
557	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
558	v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
559	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
560
561	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
562	v = (v & 0xFFF0FFFF) |
563	    (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
564	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
565
566	v = inl(SONYPI_IRQ_PORT);
567	v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
568	v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
569	outl(v, SONYPI_IRQ_PORT);
570
571	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
572	v = (v & 0xFF1FFFFF) | 0x00C00000;
573	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
574}
575
576static void sonypi_type2_srs(void)
577{
578	if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
579		printk(KERN_WARNING "ec_write failed\n");
580	if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
581		printk(KERN_WARNING "ec_write failed\n");
582	if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
583		printk(KERN_WARNING "ec_write failed\n");
584	udelay(10);
585}
586
587static void sonypi_type3_srs(void)
588{
589	u16 v16;
590	u8  v8;
591
592	/* This model type uses the same initialization of
593	 * the embedded controller as the type2 models. */
594	sonypi_type2_srs();
595
596	/* Initialization of PCI config space of the LPC interface bridge. */
597	v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
598	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
599	pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
600	v8 = (v8 & 0xCF) | 0x10;
601	pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
602}
603
604/* Disables the device - this comes from the AML code in the ACPI bios */
605static void sonypi_type1_dis(void)
606{
607	u32 v;
608
609	pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
610	v = v & 0xFF3FFFFF;
611	pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
612
613	v = inl(SONYPI_IRQ_PORT);
614	v |= (0x3 << SONYPI_IRQ_SHIFT);
615	outl(v, SONYPI_IRQ_PORT);
616}
617
618static void sonypi_type2_dis(void)
619{
620	if (sonypi_ec_write(SONYPI_SHIB, 0))
621		printk(KERN_WARNING "ec_write failed\n");
622	if (sonypi_ec_write(SONYPI_SLOB, 0))
623		printk(KERN_WARNING "ec_write failed\n");
624	if (sonypi_ec_write(SONYPI_SIRQ, 0))
625		printk(KERN_WARNING "ec_write failed\n");
626}
627
628static void sonypi_type3_dis(void)
629{
630	sonypi_type2_dis();
631	udelay(10);
632	pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
633}
634
635static u8 sonypi_call1(u8 dev)
636{
637	u8 v1, v2;
638
639	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
640	outb(dev, sonypi_device.ioport2);
641	v1 = inb_p(sonypi_device.ioport2);
642	v2 = inb_p(sonypi_device.ioport1);
643	return v2;
644}
645
646static u8 sonypi_call2(u8 dev, u8 fn)
647{
648	u8 v1;
649
650	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
651	outb(dev, sonypi_device.ioport2);
652	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
653	outb(fn, sonypi_device.ioport1);
654	v1 = inb_p(sonypi_device.ioport1);
655	return v1;
656}
657
658static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
659{
660	u8 v1;
661
662	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
663	outb(dev, sonypi_device.ioport2);
664	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
665	outb(fn, sonypi_device.ioport1);
666	wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
667	outb(v, sonypi_device.ioport1);
668	v1 = inb_p(sonypi_device.ioport1);
669	return v1;
670}
671
672#if 0
673/* Get brightness, hue etc. Unreliable... */
674static u8 sonypi_read(u8 fn)
675{
676	u8 v1, v2;
677	int n = 100;
678
679	while (n--) {
680		v1 = sonypi_call2(0x8f, fn);
681		v2 = sonypi_call2(0x8f, fn);
682		if (v1 == v2 && v1 != 0xff)
683			return v1;
684	}
685	return 0xff;
686}
687#endif
688
689/* Set brightness, hue etc */
690static void sonypi_set(u8 fn, u8 v)
691{
692	wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
693}
694
695/* Tests if the camera is ready */
696static int sonypi_camera_ready(void)
697{
698	u8 v;
699
700	v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
701	return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
702}
703
704/* Turns the camera off */
705static void sonypi_camera_off(void)
706{
707	sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
708
709	if (!sonypi_device.camera_power)
710		return;
711
712	sonypi_call2(0x91, 0);
713	sonypi_device.camera_power = 0;
714}
715
716/* Turns the camera on */
717static void sonypi_camera_on(void)
718{
719	int i, j;
720
721	if (sonypi_device.camera_power)
722		return;
723
724	for (j = 5; j > 0; j--) {
725
726		while (sonypi_call2(0x91, 0x1))
727			msleep(10);
728		sonypi_call1(0x93);
729
730		for (i = 400; i > 0; i--) {
731			if (sonypi_camera_ready())
732				break;
733			msleep(10);
734		}
735		if (i)
736			break;
737	}
738
739	if (j == 0) {
740		printk(KERN_WARNING "sonypi: failed to power on camera\n");
741		return;
742	}
743
744	sonypi_set(0x10, 0x5a);
745	sonypi_device.camera_power = 1;
746}
747
748/* sets the bluetooth subsystem power state */
749static void sonypi_setbluetoothpower(u8 state)
750{
751	state = !!state;
752
753	if (sonypi_device.bluetooth_power == state)
754		return;
755
756	sonypi_call2(0x96, state);
757	sonypi_call1(0x82);
758	sonypi_device.bluetooth_power = state;
759}
760
761static void input_keyrelease(struct work_struct *work)
762{
763	struct sonypi_keypress kp;
764
765	while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
766			 sizeof(kp), &sonypi_device.input_fifo_lock)
767			== sizeof(kp)) {
768		msleep(10);
769		input_report_key(kp.dev, kp.key, 0);
770		input_sync(kp.dev);
771	}
772}
773
774static void sonypi_report_input_event(u8 event)
775{
776	struct input_dev *jog_dev = sonypi_device.input_jog_dev;
777	struct input_dev *key_dev = sonypi_device.input_key_dev;
778	struct sonypi_keypress kp = { NULL };
779	int i;
780
781	switch (event) {
782	case SONYPI_EVENT_JOGDIAL_UP:
783	case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
784		input_report_rel(jog_dev, REL_WHEEL, 1);
785		input_sync(jog_dev);
786		break;
787
788	case SONYPI_EVENT_JOGDIAL_DOWN:
789	case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
790		input_report_rel(jog_dev, REL_WHEEL, -1);
791		input_sync(jog_dev);
792		break;
793
794	case SONYPI_EVENT_JOGDIAL_PRESSED:
795		kp.key = BTN_MIDDLE;
796		kp.dev = jog_dev;
797		break;
798
799	case SONYPI_EVENT_FNKEY_RELEASED:
800		/* Nothing, not all VAIOs generate this event */
801		break;
802
803	default:
804		for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
805			if (event == sonypi_inputkeys[i].sonypiev) {
806				kp.dev = key_dev;
807				kp.key = sonypi_inputkeys[i].inputev;
808				break;
809			}
810		break;
811	}
812
813	if (kp.dev) {
814		input_report_key(kp.dev, kp.key, 1);
815		input_sync(kp.dev);
816		kfifo_in_locked(&sonypi_device.input_fifo,
817			(unsigned char *)&kp, sizeof(kp),
818			&sonypi_device.input_fifo_lock);
819		schedule_work(&sonypi_device.input_work);
820	}
821}
822
823/* Interrupt handler: some event is available */
824static irqreturn_t sonypi_irq(int irq, void *dev_id)
825{
826	u8 v1, v2, event = 0;
827	int i, j;
828
829	v1 = inb_p(sonypi_device.ioport1);
830	v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
831
832	for (i = 0; sonypi_eventtypes[i].model; i++) {
833		if (sonypi_device.model != sonypi_eventtypes[i].model)
834			continue;
835		if ((v2 & sonypi_eventtypes[i].data) !=
836		    sonypi_eventtypes[i].data)
837			continue;
838		if (!(mask & sonypi_eventtypes[i].mask))
839			continue;
840		for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
841			if (v1 == sonypi_eventtypes[i].events[j].data) {
842				event = sonypi_eventtypes[i].events[j].event;
843				goto found;
844			}
845		}
846	}
847
848	if (verbose)
849		printk(KERN_WARNING
850		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
851		       v1, v2);
852	/* We need to return IRQ_HANDLED here because there *are*
853	 * events belonging to the sonypi device we don't know about,
854	 * but we still don't want those to pollute the logs... */
855	return IRQ_HANDLED;
856
857found:
858	if (verbose > 1)
859		printk(KERN_INFO
860		       "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
861
862	if (useinput)
863		sonypi_report_input_event(event);
864
865	kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
866			sizeof(event), &sonypi_device.fifo_lock);
867	kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
868	wake_up_interruptible(&sonypi_device.fifo_proc_list);
869
870	return IRQ_HANDLED;
871}
872
873static int sonypi_misc_fasync(int fd, struct file *filp, int on)
874{
875	return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
876}
877
878static int sonypi_misc_release(struct inode *inode, struct file *file)
879{
880	mutex_lock(&sonypi_device.lock);
881	sonypi_device.open_count--;
882	mutex_unlock(&sonypi_device.lock);
883	return 0;
884}
885
886static int sonypi_misc_open(struct inode *inode, struct file *file)
887{
888	mutex_lock(&sonypi_device.lock);
889	/* Flush input queue on first open */
890	if (!sonypi_device.open_count)
891		kfifo_reset(&sonypi_device.fifo);
892	sonypi_device.open_count++;
893	mutex_unlock(&sonypi_device.lock);
894
895	return 0;
896}
897
898static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
899				size_t count, loff_t *pos)
900{
901	ssize_t ret;
902	unsigned char c;
903
904	if ((kfifo_len(&sonypi_device.fifo) == 0) &&
905	    (file->f_flags & O_NONBLOCK))
906		return -EAGAIN;
907
908	ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
909				       kfifo_len(&sonypi_device.fifo) != 0);
910	if (ret)
911		return ret;
912
913	while (ret < count &&
914	       (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
915				 &sonypi_device.fifo_lock) == sizeof(c))) {
916		if (put_user(c, buf++))
917			return -EFAULT;
918		ret++;
919	}
920
921	if (ret > 0) {
922		struct inode *inode = file_inode(file);
923		inode_set_atime_to_ts(inode, current_time(inode));
924	}
925
926	return ret;
927}
928
929static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
930{
931	poll_wait(file, &sonypi_device.fifo_proc_list, wait);
932	if (kfifo_len(&sonypi_device.fifo))
933		return EPOLLIN | EPOLLRDNORM;
934	return 0;
935}
936
937static long sonypi_misc_ioctl(struct file *fp,
938			     unsigned int cmd, unsigned long arg)
939{
940	long ret = 0;
941	void __user *argp = (void __user *)arg;
942	u8 val8;
943	u16 val16;
944
945	mutex_lock(&sonypi_device.lock);
946	switch (cmd) {
947	case SONYPI_IOCGBRT:
948		if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
949			ret = -EIO;
950			break;
951		}
952		if (copy_to_user(argp, &val8, sizeof(val8)))
953			ret = -EFAULT;
954		break;
955	case SONYPI_IOCSBRT:
956		if (copy_from_user(&val8, argp, sizeof(val8))) {
957			ret = -EFAULT;
958			break;
959		}
960		if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
961			ret = -EIO;
962		break;
963	case SONYPI_IOCGBAT1CAP:
964		if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
965			ret = -EIO;
966			break;
967		}
968		if (copy_to_user(argp, &val16, sizeof(val16)))
969			ret = -EFAULT;
970		break;
971	case SONYPI_IOCGBAT1REM:
972		if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
973			ret = -EIO;
974			break;
975		}
976		if (copy_to_user(argp, &val16, sizeof(val16)))
977			ret = -EFAULT;
978		break;
979	case SONYPI_IOCGBAT2CAP:
980		if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
981			ret = -EIO;
982			break;
983		}
984		if (copy_to_user(argp, &val16, sizeof(val16)))
985			ret = -EFAULT;
986		break;
987	case SONYPI_IOCGBAT2REM:
988		if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
989			ret = -EIO;
990			break;
991		}
992		if (copy_to_user(argp, &val16, sizeof(val16)))
993			ret = -EFAULT;
994		break;
995	case SONYPI_IOCGBATFLAGS:
996		if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
997			ret = -EIO;
998			break;
999		}
1000		val8 &= 0x07;
1001		if (copy_to_user(argp, &val8, sizeof(val8)))
1002			ret = -EFAULT;
1003		break;
1004	case SONYPI_IOCGBLUE:
1005		val8 = sonypi_device.bluetooth_power;
1006		if (copy_to_user(argp, &val8, sizeof(val8)))
1007			ret = -EFAULT;
1008		break;
1009	case SONYPI_IOCSBLUE:
1010		if (copy_from_user(&val8, argp, sizeof(val8))) {
1011			ret = -EFAULT;
1012			break;
1013		}
1014		sonypi_setbluetoothpower(val8);
1015		break;
1016	/* FAN Controls */
1017	case SONYPI_IOCGFAN:
1018		if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1019			ret = -EIO;
1020			break;
1021		}
1022		if (copy_to_user(argp, &val8, sizeof(val8)))
1023			ret = -EFAULT;
1024		break;
1025	case SONYPI_IOCSFAN:
1026		if (copy_from_user(&val8, argp, sizeof(val8))) {
1027			ret = -EFAULT;
1028			break;
1029		}
1030		if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1031			ret = -EIO;
1032		break;
1033	/* GET Temperature (useful under APM) */
1034	case SONYPI_IOCGTEMP:
1035		if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1036			ret = -EIO;
1037			break;
1038		}
1039		if (copy_to_user(argp, &val8, sizeof(val8)))
1040			ret = -EFAULT;
1041		break;
1042	default:
1043		ret = -EINVAL;
1044	}
1045	mutex_unlock(&sonypi_device.lock);
1046	return ret;
1047}
1048
1049static const struct file_operations sonypi_misc_fops = {
1050	.owner		= THIS_MODULE,
1051	.read		= sonypi_misc_read,
1052	.poll		= sonypi_misc_poll,
1053	.open		= sonypi_misc_open,
1054	.release	= sonypi_misc_release,
1055	.fasync		= sonypi_misc_fasync,
1056	.unlocked_ioctl	= sonypi_misc_ioctl,
1057	.llseek		= no_llseek,
1058};
1059
1060static struct miscdevice sonypi_misc_device = {
1061	.minor		= MISC_DYNAMIC_MINOR,
1062	.name		= "sonypi",
1063	.fops		= &sonypi_misc_fops,
1064};
1065
1066static void sonypi_enable(unsigned int camera_on)
1067{
1068	switch (sonypi_device.model) {
1069	case SONYPI_DEVICE_MODEL_TYPE1:
1070		sonypi_type1_srs();
1071		break;
1072	case SONYPI_DEVICE_MODEL_TYPE2:
1073		sonypi_type2_srs();
1074		break;
1075	case SONYPI_DEVICE_MODEL_TYPE3:
1076		sonypi_type3_srs();
1077		break;
1078	}
1079
1080	sonypi_call1(0x82);
1081	sonypi_call2(0x81, 0xff);
1082	sonypi_call1(compat ? 0x92 : 0x82);
1083
1084	/* Enable ACPI mode to get Fn key events */
1085	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1086		outb(0xf0, 0xb2);
1087
1088	if (camera && camera_on)
1089		sonypi_camera_on();
1090}
1091
1092static int sonypi_disable(void)
1093{
1094	sonypi_call2(0x81, 0);	/* make sure we don't get any more events */
1095	if (camera)
1096		sonypi_camera_off();
1097
1098	/* disable ACPI mode */
1099	if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1100		outb(0xf1, 0xb2);
1101
1102	switch (sonypi_device.model) {
1103	case SONYPI_DEVICE_MODEL_TYPE1:
1104		sonypi_type1_dis();
1105		break;
1106	case SONYPI_DEVICE_MODEL_TYPE2:
1107		sonypi_type2_dis();
1108		break;
1109	case SONYPI_DEVICE_MODEL_TYPE3:
1110		sonypi_type3_dis();
1111		break;
1112	}
1113
1114	return 0;
1115}
1116
1117#ifdef CONFIG_ACPI
1118static int sonypi_acpi_add(struct acpi_device *device)
1119{
1120	sonypi_acpi_device = device;
1121	strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1122	strcpy(acpi_device_class(device), "sony/hotkey");
1123	return 0;
1124}
1125
1126static void sonypi_acpi_remove(struct acpi_device *device)
1127{
1128	sonypi_acpi_device = NULL;
1129}
1130
1131static const struct acpi_device_id sonypi_device_ids[] = {
1132	{"SNY6001", 0},
1133	{"", 0},
1134};
1135
1136static struct acpi_driver sonypi_acpi_driver = {
1137	.name           = "sonypi",
1138	.class          = "hkey",
1139	.ids            = sonypi_device_ids,
1140	.ops            = {
1141		           .add = sonypi_acpi_add,
1142			   .remove = sonypi_acpi_remove,
1143	},
1144};
1145#endif
1146
1147static int sonypi_create_input_devices(struct platform_device *pdev)
1148{
1149	struct input_dev *jog_dev;
1150	struct input_dev *key_dev;
1151	int i;
1152	int error;
1153
1154	sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1155	if (!jog_dev)
1156		return -ENOMEM;
1157
1158	jog_dev->name = "Sony Vaio Jogdial";
1159	jog_dev->id.bustype = BUS_ISA;
1160	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1161	jog_dev->dev.parent = &pdev->dev;
1162
1163	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1164	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1165	jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1166
1167	sonypi_device.input_key_dev = key_dev = input_allocate_device();
1168	if (!key_dev) {
1169		error = -ENOMEM;
1170		goto err_free_jogdev;
1171	}
1172
1173	key_dev->name = "Sony Vaio Keys";
1174	key_dev->id.bustype = BUS_ISA;
1175	key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1176	key_dev->dev.parent = &pdev->dev;
1177
1178	/* Initialize the Input Drivers: special keys */
1179	key_dev->evbit[0] = BIT_MASK(EV_KEY);
1180	for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1181		if (sonypi_inputkeys[i].inputev)
1182			set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1183
1184	error = input_register_device(jog_dev);
1185	if (error)
1186		goto err_free_keydev;
1187
1188	error = input_register_device(key_dev);
1189	if (error)
1190		goto err_unregister_jogdev;
1191
1192	return 0;
1193
1194 err_unregister_jogdev:
1195	input_unregister_device(jog_dev);
1196	/* Set to NULL so we don't free it again below */
1197	jog_dev = NULL;
1198 err_free_keydev:
1199	input_free_device(key_dev);
1200	sonypi_device.input_key_dev = NULL;
1201 err_free_jogdev:
1202	input_free_device(jog_dev);
1203	sonypi_device.input_jog_dev = NULL;
1204
1205	return error;
1206}
1207
1208static int sonypi_setup_ioports(struct sonypi_device *dev,
1209				const struct sonypi_ioport_list *ioport_list)
1210{
1211	/* try to detect if sony-laptop is being used and thus
1212	 * has already requested one of the known ioports.
1213	 * As in the deprecated check_region this is racy has we have
1214	 * multiple ioports available and one of them can be requested
1215	 * between this check and the subsequent request. Anyway, as an
1216	 * attempt to be some more user-friendly as we currently are,
1217	 * this is enough.
1218	 */
1219	const struct sonypi_ioport_list *check = ioport_list;
1220	while (check_ioport && check->port1) {
1221		if (!request_region(check->port1,
1222				   sonypi_device.region_size,
1223				   "Sony Programmable I/O Device Check")) {
1224			printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1225					"if not use check_ioport=0\n",
1226					check->port1);
1227			return -EBUSY;
1228		}
1229		release_region(check->port1, sonypi_device.region_size);
1230		check++;
1231	}
1232
1233	while (ioport_list->port1) {
1234
1235		if (request_region(ioport_list->port1,
1236				   sonypi_device.region_size,
1237				   "Sony Programmable I/O Device")) {
1238			dev->ioport1 = ioport_list->port1;
1239			dev->ioport2 = ioport_list->port2;
1240			return 0;
1241		}
1242		ioport_list++;
1243	}
1244
1245	return -EBUSY;
1246}
1247
1248static int sonypi_setup_irq(struct sonypi_device *dev,
1249				      const struct sonypi_irq_list *irq_list)
1250{
1251	while (irq_list->irq) {
1252
1253		if (!request_irq(irq_list->irq, sonypi_irq,
1254				 IRQF_SHARED, "sonypi", sonypi_irq)) {
1255			dev->irq = irq_list->irq;
1256			dev->bits = irq_list->bits;
1257			return 0;
1258		}
1259		irq_list++;
1260	}
1261
1262	return -EBUSY;
1263}
1264
1265static void sonypi_display_info(void)
1266{
1267	printk(KERN_INFO "sonypi: detected type%d model, "
1268	       "verbose = %d, fnkeyinit = %s, camera = %s, "
1269	       "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1270	       sonypi_device.model,
1271	       verbose,
1272	       fnkeyinit ? "on" : "off",
1273	       camera ? "on" : "off",
1274	       compat ? "on" : "off",
1275	       mask,
1276	       useinput ? "on" : "off",
1277	       SONYPI_ACPI_ACTIVE ? "on" : "off");
1278	printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1279	       sonypi_device.irq,
1280	       sonypi_device.ioport1, sonypi_device.ioport2);
1281
1282	if (minor == -1)
1283		printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1284		       sonypi_misc_device.minor);
1285}
1286
1287static int sonypi_probe(struct platform_device *dev)
1288{
1289	const struct sonypi_ioport_list *ioport_list;
1290	const struct sonypi_irq_list *irq_list;
1291	struct pci_dev *pcidev;
1292	int error;
1293
1294	printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1295			"and report failures, see also "
1296			"http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1297
1298	spin_lock_init(&sonypi_device.fifo_lock);
1299	error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1300	if (error) {
1301		printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1302		return error;
1303	}
1304
1305	init_waitqueue_head(&sonypi_device.fifo_proc_list);
1306	mutex_init(&sonypi_device.lock);
1307	sonypi_device.bluetooth_power = -1;
1308
1309	if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1310				     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1311		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1312	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1313					  PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1314		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1315	else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1316					  PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1317		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1318	else
1319		sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1320
1321	if (pcidev && pci_enable_device(pcidev)) {
1322		printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1323		error = -EIO;
1324		goto err_put_pcidev;
1325	}
1326
1327	sonypi_device.dev = pcidev;
1328
1329	if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1330		ioport_list = sonypi_type1_ioport_list;
1331		sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1332		sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1333		irq_list = sonypi_type1_irq_list;
1334	} else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1335		ioport_list = sonypi_type2_ioport_list;
1336		sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1337		sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1338		irq_list = sonypi_type2_irq_list;
1339	} else {
1340		ioport_list = sonypi_type3_ioport_list;
1341		sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1342		sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1343		irq_list = sonypi_type3_irq_list;
1344	}
1345
1346	error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1347	if (error) {
1348		printk(KERN_ERR "sonypi: failed to request ioports\n");
1349		goto err_disable_pcidev;
1350	}
1351
1352	error = sonypi_setup_irq(&sonypi_device, irq_list);
1353	if (error) {
1354		printk(KERN_ERR "sonypi: request_irq failed\n");
1355		goto err_free_ioports;
1356	}
1357
1358	if (minor != -1)
1359		sonypi_misc_device.minor = minor;
1360	error = misc_register(&sonypi_misc_device);
1361	if (error) {
1362		printk(KERN_ERR "sonypi: misc_register failed\n");
1363		goto err_free_irq;
1364	}
1365
1366	sonypi_display_info();
1367
1368	if (useinput) {
1369
1370		error = sonypi_create_input_devices(dev);
1371		if (error) {
1372			printk(KERN_ERR
1373				"sonypi: failed to create input devices\n");
1374			goto err_miscdev_unregister;
1375		}
1376
1377		spin_lock_init(&sonypi_device.input_fifo_lock);
1378		error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1379				GFP_KERNEL);
1380		if (error) {
1381			printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1382			goto err_inpdev_unregister;
1383		}
1384
1385		INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1386	}
1387
1388	sonypi_enable(0);
1389
1390	return 0;
1391
1392 err_inpdev_unregister:
1393	input_unregister_device(sonypi_device.input_key_dev);
1394	input_unregister_device(sonypi_device.input_jog_dev);
1395 err_miscdev_unregister:
1396	misc_deregister(&sonypi_misc_device);
1397 err_free_irq:
1398	free_irq(sonypi_device.irq, sonypi_irq);
1399 err_free_ioports:
1400	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1401 err_disable_pcidev:
1402	if (pcidev)
1403		pci_disable_device(pcidev);
1404 err_put_pcidev:
1405	pci_dev_put(pcidev);
1406	kfifo_free(&sonypi_device.fifo);
1407
1408	return error;
1409}
1410
1411static void sonypi_remove(struct platform_device *dev)
1412{
1413	sonypi_disable();
1414
1415	synchronize_irq(sonypi_device.irq);
1416	flush_work(&sonypi_device.input_work);
1417
1418	if (useinput) {
1419		input_unregister_device(sonypi_device.input_key_dev);
1420		input_unregister_device(sonypi_device.input_jog_dev);
1421		kfifo_free(&sonypi_device.input_fifo);
1422	}
1423
1424	misc_deregister(&sonypi_misc_device);
1425
1426	free_irq(sonypi_device.irq, sonypi_irq);
1427	release_region(sonypi_device.ioport1, sonypi_device.region_size);
1428
1429	if (sonypi_device.dev) {
1430		pci_disable_device(sonypi_device.dev);
1431		pci_dev_put(sonypi_device.dev);
1432	}
1433
1434	kfifo_free(&sonypi_device.fifo);
1435}
1436
1437#ifdef CONFIG_PM_SLEEP
1438static int old_camera_power;
1439
1440static int sonypi_suspend(struct device *dev)
1441{
1442	old_camera_power = sonypi_device.camera_power;
1443	sonypi_disable();
1444
1445	return 0;
1446}
1447
1448static int sonypi_resume(struct device *dev)
1449{
1450	sonypi_enable(old_camera_power);
1451	return 0;
1452}
1453
1454static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1455#define SONYPI_PM	(&sonypi_pm)
1456#else
1457#define SONYPI_PM	NULL
1458#endif
1459
1460static void sonypi_shutdown(struct platform_device *dev)
1461{
1462	sonypi_disable();
1463}
1464
1465static struct platform_driver sonypi_driver = {
1466	.driver		= {
1467		.name	= "sonypi",
1468		.pm	= SONYPI_PM,
1469	},
1470	.probe		= sonypi_probe,
1471	.remove_new	= sonypi_remove,
1472	.shutdown	= sonypi_shutdown,
1473};
1474
1475static struct platform_device *sonypi_platform_device;
1476
1477static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
1478	{
1479		.ident = "Sony Vaio",
1480		.matches = {
1481			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1482			DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1483		},
1484	},
1485	{
1486		.ident = "Sony Vaio",
1487		.matches = {
1488			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1489			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1490		},
1491	},
1492	{ }
1493};
1494
1495static int __init sonypi_init(void)
1496{
1497	int error;
1498
1499	printk(KERN_INFO
1500		"sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1501		SONYPI_DRIVER_VERSION);
1502
1503	if (!dmi_check_system(sonypi_dmi_table))
1504		return -ENODEV;
1505
1506	error = platform_driver_register(&sonypi_driver);
1507	if (error)
1508		return error;
1509
1510	sonypi_platform_device = platform_device_alloc("sonypi", -1);
1511	if (!sonypi_platform_device) {
1512		error = -ENOMEM;
1513		goto err_driver_unregister;
1514	}
1515
1516	error = platform_device_add(sonypi_platform_device);
1517	if (error)
1518		goto err_free_device;
1519
1520#ifdef CONFIG_ACPI
1521	if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1522		acpi_driver_registered = 1;
1523#endif
1524
1525	return 0;
1526
1527 err_free_device:
1528	platform_device_put(sonypi_platform_device);
1529 err_driver_unregister:
1530	platform_driver_unregister(&sonypi_driver);
1531	return error;
1532}
1533
1534static void __exit sonypi_exit(void)
1535{
1536#ifdef CONFIG_ACPI
1537	if (acpi_driver_registered)
1538		acpi_bus_unregister_driver(&sonypi_acpi_driver);
1539#endif
1540	platform_device_unregister(sonypi_platform_device);
1541	platform_driver_unregister(&sonypi_driver);
1542	printk(KERN_INFO "sonypi: removed.\n");
1543}
1544
1545module_init(sonypi_init);
1546module_exit(sonypi_exit);
1547