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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Sony Programmable I/O Control Device driver for VAIO
3 *
4 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
5 *
6 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
7 *
8 * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
9 *
10 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
11 *
12 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
13 *
14 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
15 *
16 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
17 *
18 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
19 *
20 * This program is free software; you can redistribute it and/or modify
21 * it under the terms of the GNU General Public License as published by
22 * the Free Software Foundation; either version 2 of the License, or
23 * (at your option) any later version.
24 *
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
29 *
30 * You should have received a copy of the GNU General Public License
31 * along with this program; if not, write to the Free Software
32 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33 *
34 */
35
36#include <linux/config.h>
37#include <linux/module.h>
38#include <linux/input.h>
39#include <linux/pci.h>
40#include <linux/sched.h>
41#include <linux/init.h>
42#include <linux/interrupt.h>
43#include <linux/miscdevice.h>
44#include <linux/poll.h>
45#include <linux/delay.h>
46#include <linux/wait.h>
47#include <linux/acpi.h>
48#include <linux/dmi.h>
49#include <linux/err.h>
50#include <linux/kfifo.h>
Russell Kingd052d1b2005-10-29 19:07:23 +010051#include <linux/platform_device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
53#include <asm/uaccess.h>
54#include <asm/io.h>
55#include <asm/system.h>
56
57#include <linux/sonypi.h>
58
59#define SONYPI_DRIVER_VERSION "1.26"
60
61MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
62MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
63MODULE_LICENSE("GPL");
64MODULE_VERSION(SONYPI_DRIVER_VERSION);
65
66static int minor = -1;
67module_param(minor, int, 0);
68MODULE_PARM_DESC(minor,
69 "minor number of the misc device, default is -1 (automatic)");
70
71static int verbose; /* = 0 */
72module_param(verbose, int, 0644);
73MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
74
75static int fnkeyinit; /* = 0 */
76module_param(fnkeyinit, int, 0444);
77MODULE_PARM_DESC(fnkeyinit,
78 "set this if your Fn keys do not generate any event");
79
80static int camera; /* = 0 */
81module_param(camera, int, 0444);
82MODULE_PARM_DESC(camera,
83 "set this if you have a MotionEye camera (PictureBook series)");
84
85static int compat; /* = 0 */
86module_param(compat, int, 0444);
87MODULE_PARM_DESC(compat,
88 "set this if you want to enable backward compatibility mode");
89
90static unsigned long mask = 0xffffffff;
91module_param(mask, ulong, 0644);
92MODULE_PARM_DESC(mask,
93 "set this to the mask of event you want to enable (see doc)");
94
95static int useinput = 1;
96module_param(useinput, int, 0444);
97MODULE_PARM_DESC(useinput,
98 "set this if you would like sonypi to feed events to the input subsystem");
99
100#define SONYPI_DEVICE_MODEL_TYPE1 1
101#define SONYPI_DEVICE_MODEL_TYPE2 2
Erik Walingd2052c12005-09-06 15:17:02 -0700102#define SONYPI_DEVICE_MODEL_TYPE3 3
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103
104/* type1 models use those */
105#define SONYPI_IRQ_PORT 0x8034
106#define SONYPI_IRQ_SHIFT 22
Erik Walingd2052c12005-09-06 15:17:02 -0700107#define SONYPI_TYPE1_BASE 0x50
108#define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109#define SONYPI_TYPE1_REGION_SIZE 0x08
110#define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
111
112/* type2 series specifics */
113#define SONYPI_SIRQ 0x9b
114#define SONYPI_SLOB 0x9c
115#define SONYPI_SHIB 0x9d
116#define SONYPI_TYPE2_REGION_SIZE 0x20
117#define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
118
Erik Walingd2052c12005-09-06 15:17:02 -0700119/* type3 series specifics */
120#define SONYPI_TYPE3_BASE 0x40
121#define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
122#define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
123#define SONYPI_TYPE3_REGION_SIZE 0x20
124#define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
125
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126/* battery / brightness addresses */
127#define SONYPI_BAT_FLAGS 0x81
128#define SONYPI_LCD_LIGHT 0x96
129#define SONYPI_BAT1_PCTRM 0xa0
130#define SONYPI_BAT1_LEFT 0xa2
131#define SONYPI_BAT1_MAXRT 0xa4
132#define SONYPI_BAT2_PCTRM 0xa8
133#define SONYPI_BAT2_LEFT 0xaa
134#define SONYPI_BAT2_MAXRT 0xac
135#define SONYPI_BAT1_MAXTK 0xb0
136#define SONYPI_BAT1_FULL 0xb2
137#define SONYPI_BAT2_MAXTK 0xb8
138#define SONYPI_BAT2_FULL 0xba
139
140/* FAN0 information (reverse engineered from ACPI tables) */
141#define SONYPI_FAN0_STATUS 0x93
142#define SONYPI_TEMP_STATUS 0xC1
143
144/* ioports used for brightness and type2 events */
145#define SONYPI_DATA_IOPORT 0x62
146#define SONYPI_CST_IOPORT 0x66
147
148/* The set of possible ioports */
149struct sonypi_ioport_list {
150 u16 port1;
151 u16 port2;
152};
153
154static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
155 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
156 { 0x1080, 0x1084 },
157 { 0x1090, 0x1094 },
158 { 0x10a0, 0x10a4 },
159 { 0x10b0, 0x10b4 },
160 { 0x0, 0x0 }
161};
162
163static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
164 { 0x1080, 0x1084 },
165 { 0x10a0, 0x10a4 },
166 { 0x10c0, 0x10c4 },
167 { 0x10e0, 0x10e4 },
168 { 0x0, 0x0 }
169};
170
Erik Walingd2052c12005-09-06 15:17:02 -0700171/* same as in type 2 models */
172static struct sonypi_ioport_list *sonypi_type3_ioport_list =
173 sonypi_type2_ioport_list;
174
Linus Torvalds1da177e2005-04-16 15:20:36 -0700175/* The set of possible interrupts */
176struct sonypi_irq_list {
177 u16 irq;
178 u16 bits;
179};
180
181static struct sonypi_irq_list sonypi_type1_irq_list[] = {
182 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
183 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
184 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
185 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
186};
187
188static struct sonypi_irq_list sonypi_type2_irq_list[] = {
189 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
190 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
191 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
192 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
193 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
194};
195
Erik Walingd2052c12005-09-06 15:17:02 -0700196/* same as in type2 models */
197static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
198
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199#define SONYPI_CAMERA_BRIGHTNESS 0
200#define SONYPI_CAMERA_CONTRAST 1
201#define SONYPI_CAMERA_HUE 2
202#define SONYPI_CAMERA_COLOR 3
203#define SONYPI_CAMERA_SHARPNESS 4
204
205#define SONYPI_CAMERA_PICTURE 5
206#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
207#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
208#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
209#define SONYPI_CAMERA_MUTE_MASK 0x40
210
211/* the rest don't need a loop until not 0xff */
212#define SONYPI_CAMERA_AGC 6
213#define SONYPI_CAMERA_AGC_MASK 0x30
214#define SONYPI_CAMERA_SHUTTER_MASK 0x7
215
216#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
217#define SONYPI_CAMERA_CONTROL 0x10
218
219#define SONYPI_CAMERA_STATUS 7
220#define SONYPI_CAMERA_STATUS_READY 0x2
221#define SONYPI_CAMERA_STATUS_POSITION 0x4
222
223#define SONYPI_DIRECTION_BACKWARDS 0x4
224
225#define SONYPI_CAMERA_REVISION 8
226#define SONYPI_CAMERA_ROMVERSION 9
227
228/* Event masks */
229#define SONYPI_JOGGER_MASK 0x00000001
230#define SONYPI_CAPTURE_MASK 0x00000002
231#define SONYPI_FNKEY_MASK 0x00000004
232#define SONYPI_BLUETOOTH_MASK 0x00000008
233#define SONYPI_PKEY_MASK 0x00000010
234#define SONYPI_BACK_MASK 0x00000020
235#define SONYPI_HELP_MASK 0x00000040
236#define SONYPI_LID_MASK 0x00000080
237#define SONYPI_ZOOM_MASK 0x00000100
238#define SONYPI_THUMBPHRASE_MASK 0x00000200
239#define SONYPI_MEYE_MASK 0x00000400
240#define SONYPI_MEMORYSTICK_MASK 0x00000800
241#define SONYPI_BATTERY_MASK 0x00001000
Erik Walingd2052c12005-09-06 15:17:02 -0700242#define SONYPI_WIRELESS_MASK 0x00002000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700243
244struct sonypi_event {
245 u8 data;
246 u8 event;
247};
248
249/* The set of possible button release events */
250static struct sonypi_event sonypi_releaseev[] = {
251 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
252 { 0, 0 }
253};
254
255/* The set of possible jogger events */
256static struct sonypi_event sonypi_joggerev[] = {
257 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
258 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
259 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
260 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
261 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
262 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
263 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
264 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
265 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
266 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
267 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
268 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
269 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
270 { 0, 0 }
271};
272
273/* The set of possible capture button events */
274static struct sonypi_event sonypi_captureev[] = {
275 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
276 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
277 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
278 { 0, 0 }
279};
280
281/* The set of possible fnkeys events */
282static struct sonypi_event sonypi_fnkeyev[] = {
283 { 0x10, SONYPI_EVENT_FNKEY_ESC },
284 { 0x11, SONYPI_EVENT_FNKEY_F1 },
285 { 0x12, SONYPI_EVENT_FNKEY_F2 },
286 { 0x13, SONYPI_EVENT_FNKEY_F3 },
287 { 0x14, SONYPI_EVENT_FNKEY_F4 },
288 { 0x15, SONYPI_EVENT_FNKEY_F5 },
289 { 0x16, SONYPI_EVENT_FNKEY_F6 },
290 { 0x17, SONYPI_EVENT_FNKEY_F7 },
291 { 0x18, SONYPI_EVENT_FNKEY_F8 },
292 { 0x19, SONYPI_EVENT_FNKEY_F9 },
293 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
294 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
295 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
296 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
297 { 0x21, SONYPI_EVENT_FNKEY_1 },
298 { 0x22, SONYPI_EVENT_FNKEY_2 },
299 { 0x31, SONYPI_EVENT_FNKEY_D },
300 { 0x32, SONYPI_EVENT_FNKEY_E },
301 { 0x33, SONYPI_EVENT_FNKEY_F },
302 { 0x34, SONYPI_EVENT_FNKEY_S },
303 { 0x35, SONYPI_EVENT_FNKEY_B },
304 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
305 { 0, 0 }
306};
307
308/* The set of possible program key events */
309static struct sonypi_event sonypi_pkeyev[] = {
310 { 0x01, SONYPI_EVENT_PKEY_P1 },
311 { 0x02, SONYPI_EVENT_PKEY_P2 },
312 { 0x04, SONYPI_EVENT_PKEY_P3 },
313 { 0x5c, SONYPI_EVENT_PKEY_P1 },
314 { 0, 0 }
315};
316
317/* The set of possible bluetooth events */
318static struct sonypi_event sonypi_blueev[] = {
319 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
320 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
321 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
322 { 0, 0 }
323};
324
Erik Walingd2052c12005-09-06 15:17:02 -0700325/* The set of possible wireless events */
326static struct sonypi_event sonypi_wlessev[] = {
327 { 0x59, SONYPI_EVENT_WIRELESS_ON },
328 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
329 { 0, 0 }
330};
331
Linus Torvalds1da177e2005-04-16 15:20:36 -0700332/* The set of possible back button events */
333static struct sonypi_event sonypi_backev[] = {
334 { 0x20, SONYPI_EVENT_BACK_PRESSED },
335 { 0, 0 }
336};
337
338/* The set of possible help button events */
339static struct sonypi_event sonypi_helpev[] = {
340 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
341 { 0, 0 }
342};
343
344
345/* The set of possible lid events */
346static struct sonypi_event sonypi_lidev[] = {
347 { 0x51, SONYPI_EVENT_LID_CLOSED },
348 { 0x50, SONYPI_EVENT_LID_OPENED },
349 { 0, 0 }
350};
351
352/* The set of possible zoom events */
353static struct sonypi_event sonypi_zoomev[] = {
354 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
355 { 0, 0 }
356};
357
358/* The set of possible thumbphrase events */
359static struct sonypi_event sonypi_thumbphraseev[] = {
360 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
361 { 0, 0 }
362};
363
364/* The set of possible motioneye camera events */
365static struct sonypi_event sonypi_meyeev[] = {
366 { 0x00, SONYPI_EVENT_MEYE_FACE },
367 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
368 { 0, 0 }
369};
370
371/* The set of possible memorystick events */
372static struct sonypi_event sonypi_memorystickev[] = {
373 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
374 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
375 { 0, 0 }
376};
377
378/* The set of possible battery events */
379static struct sonypi_event sonypi_batteryev[] = {
380 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
381 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
382 { 0, 0 }
383};
384
385static struct sonypi_eventtypes {
386 int model;
387 u8 data;
388 unsigned long mask;
389 struct sonypi_event * events;
390} sonypi_eventtypes[] = {
391 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
392 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
393 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
394 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
395 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
396 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
397 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
398 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
399 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
400 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
401
402 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
403 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
404 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
405 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
406 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
407 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
408 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
409 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700410 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
411 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
412 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
413 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
414 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
415 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
416
Erik Walingd2052c12005-09-06 15:17:02 -0700417 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
418 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
419 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
420 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
421 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
422 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700423 { 0 }
424};
425
426#define SONYPI_BUF_SIZE 128
427
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428/* Correspondance table between sonypi events and input layer events */
429static struct {
430 int sonypiev;
431 int inputev;
432} sonypi_inputkeys[] = {
433 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
434 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
435 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
436 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
437 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
438 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
439 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
440 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
441 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
442 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
443 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
444 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
445 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
446 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
447 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
448 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
449 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
450 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
451 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
452 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
453 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
454 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
455 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
456 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
457 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
458 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
459 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
460 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
461 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
462 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
463 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
464 { 0, 0 },
465};
466
Dmitry Torokhovfb2ce3c2005-06-30 00:50:10 -0500467struct sonypi_keypress {
468 struct input_dev *dev;
469 int key;
470};
471
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472static struct sonypi_device {
473 struct pci_dev *dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700474 u16 irq;
475 u16 bits;
476 u16 ioport1;
477 u16 ioport2;
478 u16 region_size;
479 u16 evtype_offset;
480 int camera_power;
481 int bluetooth_power;
482 struct semaphore lock;
483 struct kfifo *fifo;
484 spinlock_t fifo_lock;
485 wait_queue_head_t fifo_proc_list;
486 struct fasync_struct *fifo_async;
487 int open_count;
488 int model;
Dmitry Torokhovb416f2e2005-09-15 02:01:50 -0500489 struct input_dev *input_jog_dev;
490 struct input_dev *input_key_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700491 struct work_struct input_work;
492 struct kfifo *input_fifo;
493 spinlock_t input_fifo_lock;
494} sonypi_device;
495
496#define ITERATIONS_LONG 10000
497#define ITERATIONS_SHORT 10
498
499#define wait_on_command(quiet, command, iterations) { \
500 unsigned int n = iterations; \
501 while (--n && (command)) \
502 udelay(1); \
503 if (!n && (verbose || !quiet)) \
504 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
505}
506
507#ifdef CONFIG_ACPI
508#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
509#else
510#define SONYPI_ACPI_ACTIVE 0
511#endif /* CONFIG_ACPI */
512
Ben Collinsb368fae2006-01-08 01:04:24 -0800513#ifdef CONFIG_ACPI
514static struct acpi_device *sonypi_acpi_device;
515static int acpi_enabled;
516#endif
517
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518static int sonypi_ec_write(u8 addr, u8 value)
519{
520#ifdef CONFIG_ACPI_EC
521 if (SONYPI_ACPI_ACTIVE)
522 return ec_write(addr, value);
523#endif
524 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
525 outb_p(0x81, SONYPI_CST_IOPORT);
526 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
527 outb_p(addr, SONYPI_DATA_IOPORT);
528 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
529 outb_p(value, SONYPI_DATA_IOPORT);
530 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
531 return 0;
532}
533
534static int sonypi_ec_read(u8 addr, u8 *value)
535{
536#ifdef CONFIG_ACPI_EC
537 if (SONYPI_ACPI_ACTIVE)
538 return ec_read(addr, value);
539#endif
540 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
541 outb_p(0x80, SONYPI_CST_IOPORT);
542 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
543 outb_p(addr, SONYPI_DATA_IOPORT);
544 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
545 *value = inb_p(SONYPI_DATA_IOPORT);
546 return 0;
547}
548
549static int ec_read16(u8 addr, u16 *value)
550{
551 u8 val_lb, val_hb;
552 if (sonypi_ec_read(addr, &val_lb))
553 return -1;
554 if (sonypi_ec_read(addr + 1, &val_hb))
555 return -1;
556 *value = val_lb | (val_hb << 8);
557 return 0;
558}
559
560/* Initializes the device - this comes from the AML code in the ACPI bios */
561static void sonypi_type1_srs(void)
562{
563 u32 v;
564
565 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
566 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
567 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
568
569 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
570 v = (v & 0xFFF0FFFF) |
571 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
572 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
573
574 v = inl(SONYPI_IRQ_PORT);
575 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
576 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
577 outl(v, SONYPI_IRQ_PORT);
578
579 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
580 v = (v & 0xFF1FFFFF) | 0x00C00000;
581 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
582}
583
584static void sonypi_type2_srs(void)
585{
586 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
587 printk(KERN_WARNING "ec_write failed\n");
588 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
589 printk(KERN_WARNING "ec_write failed\n");
590 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
591 printk(KERN_WARNING "ec_write failed\n");
592 udelay(10);
593}
594
Erik Walingd2052c12005-09-06 15:17:02 -0700595static void sonypi_type3_srs(void)
596{
597 u16 v16;
598 u8 v8;
599
600 /* This model type uses the same initialiazation of
601 * the embedded controller as the type2 models. */
602 sonypi_type2_srs();
603
604 /* Initialization of PCI config space of the LPC interface bridge. */
605 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
606 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
607 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
608 v8 = (v8 & 0xCF) | 0x10;
609 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
610}
611
Linus Torvalds1da177e2005-04-16 15:20:36 -0700612/* Disables the device - this comes from the AML code in the ACPI bios */
613static void sonypi_type1_dis(void)
614{
615 u32 v;
616
617 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
618 v = v & 0xFF3FFFFF;
619 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
620
621 v = inl(SONYPI_IRQ_PORT);
622 v |= (0x3 << SONYPI_IRQ_SHIFT);
623 outl(v, SONYPI_IRQ_PORT);
624}
625
626static void sonypi_type2_dis(void)
627{
628 if (sonypi_ec_write(SONYPI_SHIB, 0))
629 printk(KERN_WARNING "ec_write failed\n");
630 if (sonypi_ec_write(SONYPI_SLOB, 0))
631 printk(KERN_WARNING "ec_write failed\n");
632 if (sonypi_ec_write(SONYPI_SIRQ, 0))
633 printk(KERN_WARNING "ec_write failed\n");
634}
635
Erik Walingd2052c12005-09-06 15:17:02 -0700636static void sonypi_type3_dis(void)
637{
638 sonypi_type2_dis();
639 udelay(10);
640 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
641}
642
Linus Torvalds1da177e2005-04-16 15:20:36 -0700643static u8 sonypi_call1(u8 dev)
644{
645 u8 v1, v2;
646
647 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
648 outb(dev, sonypi_device.ioport2);
649 v1 = inb_p(sonypi_device.ioport2);
650 v2 = inb_p(sonypi_device.ioport1);
651 return v2;
652}
653
654static u8 sonypi_call2(u8 dev, u8 fn)
655{
656 u8 v1;
657
658 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
659 outb(dev, sonypi_device.ioport2);
660 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
661 outb(fn, sonypi_device.ioport1);
662 v1 = inb_p(sonypi_device.ioport1);
663 return v1;
664}
665
666static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
667{
668 u8 v1;
669
670 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
671 outb(dev, sonypi_device.ioport2);
672 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
673 outb(fn, sonypi_device.ioport1);
674 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
675 outb(v, sonypi_device.ioport1);
676 v1 = inb_p(sonypi_device.ioport1);
677 return v1;
678}
679
680#if 0
681/* Get brightness, hue etc. Unreliable... */
682static u8 sonypi_read(u8 fn)
683{
684 u8 v1, v2;
685 int n = 100;
686
687 while (n--) {
688 v1 = sonypi_call2(0x8f, fn);
689 v2 = sonypi_call2(0x8f, fn);
690 if (v1 == v2 && v1 != 0xff)
691 return v1;
692 }
693 return 0xff;
694}
695#endif
696
697/* Set brightness, hue etc */
698static void sonypi_set(u8 fn, u8 v)
699{
700 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
701}
702
703/* Tests if the camera is ready */
704static int sonypi_camera_ready(void)
705{
706 u8 v;
707
708 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
709 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
710}
711
712/* Turns the camera off */
713static void sonypi_camera_off(void)
714{
715 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
716
717 if (!sonypi_device.camera_power)
718 return;
719
720 sonypi_call2(0x91, 0);
721 sonypi_device.camera_power = 0;
722}
723
724/* Turns the camera on */
725static void sonypi_camera_on(void)
726{
727 int i, j;
728
729 if (sonypi_device.camera_power)
730 return;
731
732 for (j = 5; j > 0; j--) {
733
734 while (sonypi_call2(0x91, 0x1))
735 msleep(10);
736 sonypi_call1(0x93);
737
738 for (i = 400; i > 0; i--) {
739 if (sonypi_camera_ready())
740 break;
741 msleep(10);
742 }
743 if (i)
744 break;
745 }
746
747 if (j == 0) {
748 printk(KERN_WARNING "sonypi: failed to power on camera\n");
749 return;
750 }
751
752 sonypi_set(0x10, 0x5a);
753 sonypi_device.camera_power = 1;
754}
755
756/* sets the bluetooth subsystem power state */
757static void sonypi_setbluetoothpower(u8 state)
758{
759 state = !!state;
760
761 if (sonypi_device.bluetooth_power == state)
762 return;
763
764 sonypi_call2(0x96, state);
765 sonypi_call1(0x82);
766 sonypi_device.bluetooth_power = state;
767}
768
769static void input_keyrelease(void *data)
770{
Dmitry Torokhovfb2ce3c2005-06-30 00:50:10 -0500771 struct sonypi_keypress kp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700772
Dmitry Torokhovfb2ce3c2005-06-30 00:50:10 -0500773 while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
774 sizeof(kp)) == sizeof(kp)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700775 msleep(10);
Dmitry Torokhovfb2ce3c2005-06-30 00:50:10 -0500776 input_report_key(kp.dev, kp.key, 0);
777 input_sync(kp.dev);
778 }
779}
780
781static void sonypi_report_input_event(u8 event)
782{
Dmitry Torokhovb416f2e2005-09-15 02:01:50 -0500783 struct input_dev *jog_dev = sonypi_device.input_jog_dev;
784 struct input_dev *key_dev = sonypi_device.input_key_dev;
Dmitry Torokhovfb2ce3c2005-06-30 00:50:10 -0500785 struct sonypi_keypress kp = { NULL };
786 int i;
787
788 switch (event) {
789 case SONYPI_EVENT_JOGDIAL_UP:
790 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
791 input_report_rel(jog_dev, REL_WHEEL, 1);
792 input_sync(jog_dev);
793 break;
794
795 case SONYPI_EVENT_JOGDIAL_DOWN:
796 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
797 input_report_rel(jog_dev, REL_WHEEL, -1);
798 input_sync(jog_dev);
799 break;
800
801 case SONYPI_EVENT_JOGDIAL_PRESSED:
802 kp.key = BTN_MIDDLE;
803 kp.dev = jog_dev;
804 break;
805
806 case SONYPI_EVENT_FNKEY_RELEASED:
807 /* Nothing, not all VAIOs generate this event */
808 break;
809
810 default:
811 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
812 if (event == sonypi_inputkeys[i].sonypiev) {
813 kp.dev = key_dev;
814 kp.key = sonypi_inputkeys[i].inputev;
815 break;
816 }
817 break;
818 }
819
820 if (kp.dev) {
821 input_report_key(kp.dev, kp.key, 1);
822 input_sync(kp.dev);
823 kfifo_put(sonypi_device.input_fifo,
824 (unsigned char *)&kp, sizeof(kp));
825 schedule_work(&sonypi_device.input_work);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700826 }
827}
828
829/* Interrupt handler: some event is available */
830static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
831{
832 u8 v1, v2, event = 0;
833 int i, j;
834
835 v1 = inb_p(sonypi_device.ioport1);
836 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
837
838 for (i = 0; sonypi_eventtypes[i].model; i++) {
839 if (sonypi_device.model != sonypi_eventtypes[i].model)
840 continue;
841 if ((v2 & sonypi_eventtypes[i].data) !=
842 sonypi_eventtypes[i].data)
843 continue;
844 if (!(mask & sonypi_eventtypes[i].mask))
845 continue;
846 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
847 if (v1 == sonypi_eventtypes[i].events[j].data) {
848 event = sonypi_eventtypes[i].events[j].event;
849 goto found;
850 }
851 }
852 }
853
854 if (verbose)
855 printk(KERN_WARNING
856 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
857 v1, v2);
858 /* We need to return IRQ_HANDLED here because there *are*
859 * events belonging to the sonypi device we don't know about,
860 * but we still don't want those to pollute the logs... */
861 return IRQ_HANDLED;
862
863found:
864 if (verbose > 1)
865 printk(KERN_INFO
866 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
867
Dmitry Torokhovfb2ce3c2005-06-30 00:50:10 -0500868 if (useinput)
869 sonypi_report_input_event(event);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700870
Ben Collinsb368fae2006-01-08 01:04:24 -0800871#ifdef CONFIG_ACPI
872 if (acpi_enabled)
873 acpi_bus_generate_event(sonypi_acpi_device, 1, event);
874#endif
875
Linus Torvalds1da177e2005-04-16 15:20:36 -0700876 kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
877 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
878 wake_up_interruptible(&sonypi_device.fifo_proc_list);
879
880 return IRQ_HANDLED;
881}
882
883/* External camera command (exported to the motion eye v4l driver) */
884int sonypi_camera_command(int command, u8 value)
885{
886 if (!camera)
887 return -EIO;
888
889 down(&sonypi_device.lock);
890
891 switch (command) {
892 case SONYPI_COMMAND_SETCAMERA:
893 if (value)
894 sonypi_camera_on();
895 else
896 sonypi_camera_off();
897 break;
898 case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
899 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
900 break;
901 case SONYPI_COMMAND_SETCAMERACONTRAST:
902 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
903 break;
904 case SONYPI_COMMAND_SETCAMERAHUE:
905 sonypi_set(SONYPI_CAMERA_HUE, value);
906 break;
907 case SONYPI_COMMAND_SETCAMERACOLOR:
908 sonypi_set(SONYPI_CAMERA_COLOR, value);
909 break;
910 case SONYPI_COMMAND_SETCAMERASHARPNESS:
911 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
912 break;
913 case SONYPI_COMMAND_SETCAMERAPICTURE:
914 sonypi_set(SONYPI_CAMERA_PICTURE, value);
915 break;
916 case SONYPI_COMMAND_SETCAMERAAGC:
917 sonypi_set(SONYPI_CAMERA_AGC, value);
918 break;
919 default:
920 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
921 command);
922 break;
923 }
924 up(&sonypi_device.lock);
925 return 0;
926}
927
928EXPORT_SYMBOL(sonypi_camera_command);
929
930static int sonypi_misc_fasync(int fd, struct file *filp, int on)
931{
932 int retval;
933
934 retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
935 if (retval < 0)
936 return retval;
937 return 0;
938}
939
940static int sonypi_misc_release(struct inode *inode, struct file *file)
941{
942 sonypi_misc_fasync(-1, file, 0);
943 down(&sonypi_device.lock);
944 sonypi_device.open_count--;
945 up(&sonypi_device.lock);
946 return 0;
947}
948
949static int sonypi_misc_open(struct inode *inode, struct file *file)
950{
951 down(&sonypi_device.lock);
952 /* Flush input queue on first open */
953 if (!sonypi_device.open_count)
954 kfifo_reset(sonypi_device.fifo);
955 sonypi_device.open_count++;
956 up(&sonypi_device.lock);
957 return 0;
958}
959
960static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
961 size_t count, loff_t *pos)
962{
963 ssize_t ret;
964 unsigned char c;
965
966 if ((kfifo_len(sonypi_device.fifo) == 0) &&
967 (file->f_flags & O_NONBLOCK))
968 return -EAGAIN;
969
970 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
971 kfifo_len(sonypi_device.fifo) != 0);
972 if (ret)
973 return ret;
974
975 while (ret < count &&
976 (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
977 if (put_user(c, buf++))
978 return -EFAULT;
979 ret++;
980 }
981
982 if (ret > 0) {
983 struct inode *inode = file->f_dentry->d_inode;
984 inode->i_atime = current_fs_time(inode->i_sb);
985 }
986
987 return ret;
988}
989
990static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
991{
992 poll_wait(file, &sonypi_device.fifo_proc_list, wait);
993 if (kfifo_len(sonypi_device.fifo))
994 return POLLIN | POLLRDNORM;
995 return 0;
996}
997
998static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
999 unsigned int cmd, unsigned long arg)
1000{
1001 int ret = 0;
1002 void __user *argp = (void __user *)arg;
1003 u8 val8;
1004 u16 val16;
1005
1006 down(&sonypi_device.lock);
1007 switch (cmd) {
1008 case SONYPI_IOCGBRT:
1009 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1010 ret = -EIO;
1011 break;
1012 }
1013 if (copy_to_user(argp, &val8, sizeof(val8)))
1014 ret = -EFAULT;
1015 break;
1016 case SONYPI_IOCSBRT:
1017 if (copy_from_user(&val8, argp, sizeof(val8))) {
1018 ret = -EFAULT;
1019 break;
1020 }
1021 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1022 ret = -EIO;
1023 break;
1024 case SONYPI_IOCGBAT1CAP:
1025 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1026 ret = -EIO;
1027 break;
1028 }
1029 if (copy_to_user(argp, &val16, sizeof(val16)))
1030 ret = -EFAULT;
1031 break;
1032 case SONYPI_IOCGBAT1REM:
1033 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1034 ret = -EIO;
1035 break;
1036 }
1037 if (copy_to_user(argp, &val16, sizeof(val16)))
1038 ret = -EFAULT;
1039 break;
1040 case SONYPI_IOCGBAT2CAP:
1041 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1042 ret = -EIO;
1043 break;
1044 }
1045 if (copy_to_user(argp, &val16, sizeof(val16)))
1046 ret = -EFAULT;
1047 break;
1048 case SONYPI_IOCGBAT2REM:
1049 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1050 ret = -EIO;
1051 break;
1052 }
1053 if (copy_to_user(argp, &val16, sizeof(val16)))
1054 ret = -EFAULT;
1055 break;
1056 case SONYPI_IOCGBATFLAGS:
1057 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1058 ret = -EIO;
1059 break;
1060 }
1061 val8 &= 0x07;
1062 if (copy_to_user(argp, &val8, sizeof(val8)))
1063 ret = -EFAULT;
1064 break;
1065 case SONYPI_IOCGBLUE:
1066 val8 = sonypi_device.bluetooth_power;
1067 if (copy_to_user(argp, &val8, sizeof(val8)))
1068 ret = -EFAULT;
1069 break;
1070 case SONYPI_IOCSBLUE:
1071 if (copy_from_user(&val8, argp, sizeof(val8))) {
1072 ret = -EFAULT;
1073 break;
1074 }
1075 sonypi_setbluetoothpower(val8);
1076 break;
1077 /* FAN Controls */
1078 case SONYPI_IOCGFAN:
1079 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1080 ret = -EIO;
1081 break;
1082 }
Al Viro05559852005-05-04 05:40:02 +01001083 if (copy_to_user(argp, &val8, sizeof(val8)))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001084 ret = -EFAULT;
1085 break;
1086 case SONYPI_IOCSFAN:
Al Viro05559852005-05-04 05:40:02 +01001087 if (copy_from_user(&val8, argp, sizeof(val8))) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001088 ret = -EFAULT;
1089 break;
1090 }
1091 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1092 ret = -EIO;
1093 break;
1094 /* GET Temperature (useful under APM) */
1095 case SONYPI_IOCGTEMP:
1096 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1097 ret = -EIO;
1098 break;
1099 }
Al Viro05559852005-05-04 05:40:02 +01001100 if (copy_to_user(argp, &val8, sizeof(val8)))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001101 ret = -EFAULT;
1102 break;
1103 default:
1104 ret = -EINVAL;
1105 }
1106 up(&sonypi_device.lock);
1107 return ret;
1108}
1109
1110static struct file_operations sonypi_misc_fops = {
1111 .owner = THIS_MODULE,
1112 .read = sonypi_misc_read,
1113 .poll = sonypi_misc_poll,
1114 .open = sonypi_misc_open,
1115 .release = sonypi_misc_release,
1116 .fasync = sonypi_misc_fasync,
1117 .ioctl = sonypi_misc_ioctl,
1118};
1119
1120static struct miscdevice sonypi_misc_device = {
1121 .minor = MISC_DYNAMIC_MINOR,
1122 .name = "sonypi",
1123 .fops = &sonypi_misc_fops,
1124};
1125
1126static void sonypi_enable(unsigned int camera_on)
1127{
Erik Walingd2052c12005-09-06 15:17:02 -07001128 switch (sonypi_device.model) {
1129 case SONYPI_DEVICE_MODEL_TYPE1:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001130 sonypi_type1_srs();
Erik Walingd2052c12005-09-06 15:17:02 -07001131 break;
1132 case SONYPI_DEVICE_MODEL_TYPE2:
1133 sonypi_type2_srs();
1134 break;
1135 case SONYPI_DEVICE_MODEL_TYPE3:
1136 sonypi_type3_srs();
1137 break;
1138 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001139
1140 sonypi_call1(0x82);
1141 sonypi_call2(0x81, 0xff);
1142 sonypi_call1(compat ? 0x92 : 0x82);
1143
1144 /* Enable ACPI mode to get Fn key events */
1145 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1146 outb(0xf0, 0xb2);
1147
1148 if (camera && camera_on)
1149 sonypi_camera_on();
1150}
1151
1152static int sonypi_disable(void)
1153{
1154 sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1155 if (camera)
1156 sonypi_camera_off();
1157
1158 /* disable ACPI mode */
1159 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1160 outb(0xf1, 0xb2);
1161
Erik Walingd2052c12005-09-06 15:17:02 -07001162 switch (sonypi_device.model) {
1163 case SONYPI_DEVICE_MODEL_TYPE1:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001164 sonypi_type1_dis();
Erik Walingd2052c12005-09-06 15:17:02 -07001165 break;
1166 case SONYPI_DEVICE_MODEL_TYPE2:
1167 sonypi_type2_dis();
1168 break;
1169 case SONYPI_DEVICE_MODEL_TYPE3:
1170 sonypi_type3_dis();
1171 break;
1172 }
1173
Linus Torvalds1da177e2005-04-16 15:20:36 -07001174 return 0;
1175}
1176
Ben Collinsb368fae2006-01-08 01:04:24 -08001177#ifdef CONFIG_ACPI
1178static int sonypi_acpi_add(struct acpi_device *device)
1179{
1180 sonypi_acpi_device = device;
1181 strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1182 strcpy(acpi_device_class(device), "sony/hotkey");
1183 return 0;
1184}
1185
1186static int sonypi_acpi_remove(struct acpi_device *device, int type)
1187{
1188 sonypi_acpi_device = NULL;
1189 return 0;
1190}
1191
1192static struct acpi_driver sonypi_acpi_driver = {
1193 .name = "sonypi",
1194 .class = "hkey",
1195 .ids = "SNY6001",
1196 .ops = {
1197 .add = sonypi_acpi_add,
1198 .remove = sonypi_acpi_remove,
1199 },
1200};
1201#endif
1202
Dmitry Torokhovb416f2e2005-09-15 02:01:50 -05001203static int __devinit sonypi_create_input_devices(void)
1204{
1205 struct input_dev *jog_dev;
1206 struct input_dev *key_dev;
1207 int i;
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001208 int error;
Dmitry Torokhovb416f2e2005-09-15 02:01:50 -05001209
1210 sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1211 if (!jog_dev)
1212 return -ENOMEM;
1213
1214 jog_dev->name = "Sony Vaio Jogdial";
1215 jog_dev->id.bustype = BUS_ISA;
1216 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1217
1218 jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1219 jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1220 jog_dev->relbit[0] = BIT(REL_WHEEL);
1221
1222 sonypi_device.input_key_dev = key_dev = input_allocate_device();
1223 if (!key_dev) {
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001224 error = -ENOMEM;
1225 goto err_free_jogdev;
Dmitry Torokhovb416f2e2005-09-15 02:01:50 -05001226 }
1227
1228 key_dev->name = "Sony Vaio Keys";
1229 key_dev->id.bustype = BUS_ISA;
1230 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1231
1232 /* Initialize the Input Drivers: special keys */
1233 key_dev->evbit[0] = BIT(EV_KEY);
1234 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1235 if (sonypi_inputkeys[i].inputev)
1236 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1237
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001238 error = input_register_device(jog_dev);
1239 if (error)
1240 goto err_free_keydev;
1241
1242 error = input_register_device(key_dev);
1243 if (error)
1244 goto err_unregister_jogdev;
Dmitry Torokhovb416f2e2005-09-15 02:01:50 -05001245
1246 return 0;
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001247
1248 err_unregister_jogdev:
1249 input_unregister_device(jog_dev);
1250 /* Set to NULL so we don't free it again below */
1251 jog_dev = NULL;
1252 err_free_keydev:
1253 input_free_device(key_dev);
1254 sonypi_device.input_key_dev = NULL;
1255 err_free_jogdev:
1256 input_free_device(jog_dev);
1257 sonypi_device.input_jog_dev = NULL;
1258
1259 return error;
Dmitry Torokhovb416f2e2005-09-15 02:01:50 -05001260}
1261
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001262static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1263 const struct sonypi_ioport_list *ioport_list)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001264{
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001265 while (ioport_list->port1) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001266
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001267 if (request_region(ioport_list->port1,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001268 sonypi_device.region_size,
1269 "Sony Programable I/O Device")) {
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001270 dev->ioport1 = ioport_list->port1;
1271 dev->ioport2 = ioport_list->port2;
1272 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001273 }
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001274 ioport_list++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001275 }
1276
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001277 return -EBUSY;
1278}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001279
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001280static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1281 const struct sonypi_irq_list *irq_list)
1282{
1283 while (irq_list->irq) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001284
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001285 if (!request_irq(irq_list->irq, sonypi_irq,
1286 SA_SHIRQ, "sonypi", sonypi_irq)) {
1287 dev->irq = irq_list->irq;
1288 dev->bits = irq_list->bits;
1289 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001290 }
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001291 irq_list++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001292 }
1293
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001294 return -EBUSY;
1295}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001296
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001297static void __devinit sonypi_display_info(void)
1298{
Erik Walingd2052c12005-09-06 15:17:02 -07001299 printk(KERN_INFO "sonypi: detected type%d model, "
Linus Torvalds1da177e2005-04-16 15:20:36 -07001300 "verbose = %d, fnkeyinit = %s, camera = %s, "
1301 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
Erik Walingd2052c12005-09-06 15:17:02 -07001302 sonypi_device.model,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001303 verbose,
1304 fnkeyinit ? "on" : "off",
1305 camera ? "on" : "off",
1306 compat ? "on" : "off",
1307 mask,
1308 useinput ? "on" : "off",
1309 SONYPI_ACPI_ACTIVE ? "on" : "off");
1310 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1311 sonypi_device.irq,
1312 sonypi_device.ioport1, sonypi_device.ioport2);
1313
1314 if (minor == -1)
1315 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1316 sonypi_misc_device.minor);
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001317}
1318
1319static int __devinit sonypi_probe(struct platform_device *dev)
1320{
1321 const struct sonypi_ioport_list *ioport_list;
1322 const struct sonypi_irq_list *irq_list;
1323 struct pci_dev *pcidev;
1324 int error;
1325
1326 spin_lock_init(&sonypi_device.fifo_lock);
1327 sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1328 &sonypi_device.fifo_lock);
1329 if (IS_ERR(sonypi_device.fifo)) {
1330 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1331 return PTR_ERR(sonypi_device.fifo);
1332 }
1333
1334 init_waitqueue_head(&sonypi_device.fifo_proc_list);
1335 init_MUTEX(&sonypi_device.lock);
1336 sonypi_device.bluetooth_power = -1;
1337
1338 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1339 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1340 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1341 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1342 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1343 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1344 else
1345 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1346
1347 if (pcidev && pci_enable_device(pcidev)) {
1348 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1349 error = -EIO;
1350 goto err_put_pcidev;
1351 }
1352
1353 sonypi_device.dev = pcidev;
1354
1355 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1356 ioport_list = sonypi_type1_ioport_list;
1357 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1358 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1359 irq_list = sonypi_type1_irq_list;
1360 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1361 ioport_list = sonypi_type2_ioport_list;
1362 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1363 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1364 irq_list = sonypi_type2_irq_list;
1365 } else {
1366 ioport_list = sonypi_type3_ioport_list;
1367 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1368 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1369 irq_list = sonypi_type3_irq_list;
1370 }
1371
1372 error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1373 if (error) {
1374 printk(KERN_ERR "sonypi: failed to request ioports\n");
1375 goto err_disable_pcidev;
1376 }
1377
1378 error = sonypi_setup_irq(&sonypi_device, irq_list);
1379 if (error) {
1380 printk(KERN_ERR "sonypi: request_irq failed\n");
1381 goto err_free_ioports;
1382 }
1383
1384 if (minor != -1)
1385 sonypi_misc_device.minor = minor;
1386 error = misc_register(&sonypi_misc_device);
1387 if (error) {
1388 printk(KERN_ERR "sonypi: misc_register failed\n");
1389 goto err_free_irq;
1390 }
1391
1392 sonypi_display_info();
1393
1394 if (useinput) {
1395
1396 error = sonypi_create_input_devices();
1397 if (error) {
1398 printk(KERN_ERR
1399 "sonypi: failed to create input devices\n");
1400 goto err_miscdev_unregister;
1401 }
1402
1403 spin_lock_init(&sonypi_device.input_fifo_lock);
1404 sonypi_device.input_fifo =
1405 kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1406 &sonypi_device.input_fifo_lock);
1407 if (IS_ERR(sonypi_device.input_fifo)) {
1408 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1409 error = PTR_ERR(sonypi_device.input_fifo);
1410 goto err_inpdev_unregister;
1411 }
1412
1413 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1414 }
1415
1416 sonypi_enable(0);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001417
1418 return 0;
1419
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001420 err_inpdev_unregister:
Dmitry Torokhovb416f2e2005-09-15 02:01:50 -05001421 input_unregister_device(sonypi_device.input_key_dev);
1422 input_unregister_device(sonypi_device.input_jog_dev);
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001423 err_miscdev_unregister:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001424 misc_deregister(&sonypi_misc_device);
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001425 err_free_irq:
1426 free_irq(sonypi_device.irq, sonypi_irq);
1427 err_free_ioports:
1428 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1429 err_disable_pcidev:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001430 if (pcidev)
1431 pci_disable_device(pcidev);
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001432 err_put_pcidev:
1433 pci_dev_put(pcidev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001434 kfifo_free(sonypi_device.fifo);
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001435
1436 return error;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001437}
1438
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001439static int __devexit sonypi_remove(struct platform_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001440{
1441 sonypi_disable();
1442
Dmitry Torokhovfb2ce3c2005-06-30 00:50:10 -05001443 synchronize_sched(); /* Allow sonypi interrupt to complete. */
1444 flush_scheduled_work();
1445
Linus Torvalds1da177e2005-04-16 15:20:36 -07001446 if (useinput) {
Dmitry Torokhovb416f2e2005-09-15 02:01:50 -05001447 input_unregister_device(sonypi_device.input_key_dev);
1448 input_unregister_device(sonypi_device.input_jog_dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001449 kfifo_free(sonypi_device.input_fifo);
1450 }
1451
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001452 misc_deregister(&sonypi_misc_device);
1453
Linus Torvalds1da177e2005-04-16 15:20:36 -07001454 free_irq(sonypi_device.irq, sonypi_irq);
1455 release_region(sonypi_device.ioport1, sonypi_device.region_size);
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001456
1457 if (sonypi_device.dev) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001458 pci_disable_device(sonypi_device.dev);
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001459 pci_dev_put(sonypi_device.dev);
1460 }
1461
Linus Torvalds1da177e2005-04-16 15:20:36 -07001462 kfifo_free(sonypi_device.fifo);
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001463
1464 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001465}
1466
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001467#ifdef CONFIG_PM
1468static int old_camera_power;
1469
1470static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1471{
1472 old_camera_power = sonypi_device.camera_power;
1473 sonypi_disable();
1474
1475 return 0;
1476}
1477
1478static int sonypi_resume(struct platform_device *dev)
1479{
1480 sonypi_enable(old_camera_power);
1481 return 0;
1482}
1483#else
1484#define sonypi_suspend NULL
1485#define sonypi_resume NULL
1486#endif
1487
1488static void sonypi_shutdown(struct platform_device *dev)
1489{
1490 sonypi_disable();
1491}
1492
1493static struct platform_driver sonypi_driver = {
1494 .driver = {
1495 .name = "sonypi",
1496 .owner = THIS_MODULE,
1497 },
1498 .probe = sonypi_probe,
1499 .remove = __devexit_p(sonypi_remove),
1500 .shutdown = sonypi_shutdown,
1501 .suspend = sonypi_suspend,
1502 .resume = sonypi_resume,
1503};
1504
1505static struct platform_device *sonypi_platform_device;
1506
Linus Torvalds1da177e2005-04-16 15:20:36 -07001507static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1508 {
1509 .ident = "Sony Vaio",
1510 .matches = {
1511 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1512 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1513 },
1514 },
1515 {
1516 .ident = "Sony Vaio",
1517 .matches = {
1518 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1519 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1520 },
1521 },
1522 { }
1523};
1524
1525static int __init sonypi_init(void)
1526{
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001527 int error;
1528
1529 printk(KERN_INFO
1530 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1531 SONYPI_DRIVER_VERSION);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001532
1533 if (!dmi_check_system(sonypi_dmi_table))
1534 return -ENODEV;
1535
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001536 error = platform_driver_register(&sonypi_driver);
1537 if (error)
1538 return error;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001539
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001540 sonypi_platform_device = platform_device_alloc("sonypi", -1);
1541 if (!sonypi_platform_device) {
1542 error = -ENOMEM;
1543 goto err_driver_unregister;
1544 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001545
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001546 error = platform_device_add(sonypi_platform_device);
1547 if (error)
1548 goto err_free_device;
1549
Ben Collinsb368fae2006-01-08 01:04:24 -08001550#ifdef CONFIG_ACPI
1551 if (acpi_bus_register_driver(&sonypi_acpi_driver) > 0)
1552 acpi_enabled = 1;
1553#endif
1554
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001555 return 0;
1556
1557 err_free_device:
1558 platform_device_put(sonypi_platform_device);
1559 err_driver_unregister:
1560 platform_driver_unregister(&sonypi_driver);
1561 return error;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001562}
1563
1564static void __exit sonypi_exit(void)
1565{
Ben Collinsb368fae2006-01-08 01:04:24 -08001566#ifdef CONFIG_ACPI
1567 if (acpi_enabled)
1568 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1569#endif
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001570 platform_device_unregister(sonypi_platform_device);
Russell King3ae5eae2005-11-09 22:32:44 +00001571 platform_driver_unregister(&sonypi_driver);
Dmitry Torokhov44f06102006-01-08 01:04:22 -08001572 printk(KERN_INFO "sonypi: removed.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -07001573}
1574
1575module_init(sonypi_init);
1576module_exit(sonypi_exit);