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1/*
2 * Sony Programmable I/O Control Device driver for VAIO
3 *
4 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
5 *
6 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
7 *
8 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
9 *
10 * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
11 *
12 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
13 *
14 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
15 *
16 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
17 *
18 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
19 *
20 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
21 *
22 * This program is free software; you can redistribute it and/or modify
23 * it under the terms of the GNU General Public License as published by
24 * the Free Software Foundation; either version 2 of the License, or
25 * (at your option) any later version.
26 *
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU General Public License for more details.
31 *
32 * You should have received a copy of the GNU General Public License
33 * along with this program; if not, write to the Free Software
34 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
35 *
36 */
37
38#include <linux/module.h>
39#include <linux/sched.h>
40#include <linux/input.h>
41#include <linux/pci.h>
42#include <linux/init.h>
43#include <linux/interrupt.h>
44#include <linux/miscdevice.h>
45#include <linux/poll.h>
46#include <linux/delay.h>
47#include <linux/wait.h>
48#include <linux/acpi.h>
49#include <linux/dmi.h>
50#include <linux/err.h>
51#include <linux/kfifo.h>
52#include <linux/platform_device.h>
53#include <linux/gfp.h>
54
55#include <linux/uaccess.h>
56#include <asm/io.h>
57
58#include <linux/sonypi.h>
59
60#define SONYPI_DRIVER_VERSION "1.26"
61
62MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
63MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
64MODULE_LICENSE("GPL");
65MODULE_VERSION(SONYPI_DRIVER_VERSION);
66
67static int minor = -1;
68module_param(minor, int, 0);
69MODULE_PARM_DESC(minor,
70 "minor number of the misc device, default is -1 (automatic)");
71
72static int verbose; /* = 0 */
73module_param(verbose, int, 0644);
74MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
75
76static int fnkeyinit; /* = 0 */
77module_param(fnkeyinit, int, 0444);
78MODULE_PARM_DESC(fnkeyinit,
79 "set this if your Fn keys do not generate any event");
80
81static int camera; /* = 0 */
82module_param(camera, int, 0444);
83MODULE_PARM_DESC(camera,
84 "set this if you have a MotionEye camera (PictureBook series)");
85
86static int compat; /* = 0 */
87module_param(compat, int, 0444);
88MODULE_PARM_DESC(compat,
89 "set this if you want to enable backward compatibility mode");
90
91static unsigned long mask = 0xffffffff;
92module_param(mask, ulong, 0644);
93MODULE_PARM_DESC(mask,
94 "set this to the mask of event you want to enable (see doc)");
95
96static int useinput = 1;
97module_param(useinput, int, 0444);
98MODULE_PARM_DESC(useinput,
99 "set this if you would like sonypi to feed events to the input subsystem");
100
101static int check_ioport = 1;
102module_param(check_ioport, int, 0444);
103MODULE_PARM_DESC(check_ioport,
104 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
105
106#define SONYPI_DEVICE_MODEL_TYPE1 1
107#define SONYPI_DEVICE_MODEL_TYPE2 2
108#define SONYPI_DEVICE_MODEL_TYPE3 3
109
110/* type1 models use those */
111#define SONYPI_IRQ_PORT 0x8034
112#define SONYPI_IRQ_SHIFT 22
113#define SONYPI_TYPE1_BASE 0x50
114#define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
115#define SONYPI_TYPE1_REGION_SIZE 0x08
116#define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
117
118/* type2 series specifics */
119#define SONYPI_SIRQ 0x9b
120#define SONYPI_SLOB 0x9c
121#define SONYPI_SHIB 0x9d
122#define SONYPI_TYPE2_REGION_SIZE 0x20
123#define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
124
125/* type3 series specifics */
126#define SONYPI_TYPE3_BASE 0x40
127#define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
128#define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
129#define SONYPI_TYPE3_REGION_SIZE 0x20
130#define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
131
132/* battery / brightness addresses */
133#define SONYPI_BAT_FLAGS 0x81
134#define SONYPI_LCD_LIGHT 0x96
135#define SONYPI_BAT1_PCTRM 0xa0
136#define SONYPI_BAT1_LEFT 0xa2
137#define SONYPI_BAT1_MAXRT 0xa4
138#define SONYPI_BAT2_PCTRM 0xa8
139#define SONYPI_BAT2_LEFT 0xaa
140#define SONYPI_BAT2_MAXRT 0xac
141#define SONYPI_BAT1_MAXTK 0xb0
142#define SONYPI_BAT1_FULL 0xb2
143#define SONYPI_BAT2_MAXTK 0xb8
144#define SONYPI_BAT2_FULL 0xba
145
146/* FAN0 information (reverse engineered from ACPI tables) */
147#define SONYPI_FAN0_STATUS 0x93
148#define SONYPI_TEMP_STATUS 0xC1
149
150/* ioports used for brightness and type2 events */
151#define SONYPI_DATA_IOPORT 0x62
152#define SONYPI_CST_IOPORT 0x66
153
154/* The set of possible ioports */
155struct sonypi_ioport_list {
156 u16 port1;
157 u16 port2;
158};
159
160static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
161 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
162 { 0x1080, 0x1084 },
163 { 0x1090, 0x1094 },
164 { 0x10a0, 0x10a4 },
165 { 0x10b0, 0x10b4 },
166 { 0x0, 0x0 }
167};
168
169static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
170 { 0x1080, 0x1084 },
171 { 0x10a0, 0x10a4 },
172 { 0x10c0, 0x10c4 },
173 { 0x10e0, 0x10e4 },
174 { 0x0, 0x0 }
175};
176
177/* same as in type 2 models */
178static struct sonypi_ioport_list *sonypi_type3_ioport_list =
179 sonypi_type2_ioport_list;
180
181/* The set of possible interrupts */
182struct sonypi_irq_list {
183 u16 irq;
184 u16 bits;
185};
186
187static struct sonypi_irq_list sonypi_type1_irq_list[] = {
188 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
189 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
190 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
191 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
192};
193
194static struct sonypi_irq_list sonypi_type2_irq_list[] = {
195 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
196 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
197 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
198 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
199 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
200};
201
202/* same as in type2 models */
203static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
204
205#define SONYPI_CAMERA_BRIGHTNESS 0
206#define SONYPI_CAMERA_CONTRAST 1
207#define SONYPI_CAMERA_HUE 2
208#define SONYPI_CAMERA_COLOR 3
209#define SONYPI_CAMERA_SHARPNESS 4
210
211#define SONYPI_CAMERA_PICTURE 5
212#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
213#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
214#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
215#define SONYPI_CAMERA_MUTE_MASK 0x40
216
217/* the rest don't need a loop until not 0xff */
218#define SONYPI_CAMERA_AGC 6
219#define SONYPI_CAMERA_AGC_MASK 0x30
220#define SONYPI_CAMERA_SHUTTER_MASK 0x7
221
222#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
223#define SONYPI_CAMERA_CONTROL 0x10
224
225#define SONYPI_CAMERA_STATUS 7
226#define SONYPI_CAMERA_STATUS_READY 0x2
227#define SONYPI_CAMERA_STATUS_POSITION 0x4
228
229#define SONYPI_DIRECTION_BACKWARDS 0x4
230
231#define SONYPI_CAMERA_REVISION 8
232#define SONYPI_CAMERA_ROMVERSION 9
233
234/* Event masks */
235#define SONYPI_JOGGER_MASK 0x00000001
236#define SONYPI_CAPTURE_MASK 0x00000002
237#define SONYPI_FNKEY_MASK 0x00000004
238#define SONYPI_BLUETOOTH_MASK 0x00000008
239#define SONYPI_PKEY_MASK 0x00000010
240#define SONYPI_BACK_MASK 0x00000020
241#define SONYPI_HELP_MASK 0x00000040
242#define SONYPI_LID_MASK 0x00000080
243#define SONYPI_ZOOM_MASK 0x00000100
244#define SONYPI_THUMBPHRASE_MASK 0x00000200
245#define SONYPI_MEYE_MASK 0x00000400
246#define SONYPI_MEMORYSTICK_MASK 0x00000800
247#define SONYPI_BATTERY_MASK 0x00001000
248#define SONYPI_WIRELESS_MASK 0x00002000
249
250struct sonypi_event {
251 u8 data;
252 u8 event;
253};
254
255/* The set of possible button release events */
256static struct sonypi_event sonypi_releaseev[] = {
257 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
258 { 0, 0 }
259};
260
261/* The set of possible jogger events */
262static struct sonypi_event sonypi_joggerev[] = {
263 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
264 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
265 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
266 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
267 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
268 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
269 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
270 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
271 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
272 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
273 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
274 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
275 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
276 { 0, 0 }
277};
278
279/* The set of possible capture button events */
280static struct sonypi_event sonypi_captureev[] = {
281 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
282 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
283 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
284 { 0, 0 }
285};
286
287/* The set of possible fnkeys events */
288static struct sonypi_event sonypi_fnkeyev[] = {
289 { 0x10, SONYPI_EVENT_FNKEY_ESC },
290 { 0x11, SONYPI_EVENT_FNKEY_F1 },
291 { 0x12, SONYPI_EVENT_FNKEY_F2 },
292 { 0x13, SONYPI_EVENT_FNKEY_F3 },
293 { 0x14, SONYPI_EVENT_FNKEY_F4 },
294 { 0x15, SONYPI_EVENT_FNKEY_F5 },
295 { 0x16, SONYPI_EVENT_FNKEY_F6 },
296 { 0x17, SONYPI_EVENT_FNKEY_F7 },
297 { 0x18, SONYPI_EVENT_FNKEY_F8 },
298 { 0x19, SONYPI_EVENT_FNKEY_F9 },
299 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
300 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
301 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
302 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
303 { 0x21, SONYPI_EVENT_FNKEY_1 },
304 { 0x22, SONYPI_EVENT_FNKEY_2 },
305 { 0x31, SONYPI_EVENT_FNKEY_D },
306 { 0x32, SONYPI_EVENT_FNKEY_E },
307 { 0x33, SONYPI_EVENT_FNKEY_F },
308 { 0x34, SONYPI_EVENT_FNKEY_S },
309 { 0x35, SONYPI_EVENT_FNKEY_B },
310 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
311 { 0, 0 }
312};
313
314/* The set of possible program key events */
315static struct sonypi_event sonypi_pkeyev[] = {
316 { 0x01, SONYPI_EVENT_PKEY_P1 },
317 { 0x02, SONYPI_EVENT_PKEY_P2 },
318 { 0x04, SONYPI_EVENT_PKEY_P3 },
319 { 0x5c, SONYPI_EVENT_PKEY_P1 },
320 { 0, 0 }
321};
322
323/* The set of possible bluetooth events */
324static struct sonypi_event sonypi_blueev[] = {
325 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
326 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
327 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
328 { 0, 0 }
329};
330
331/* The set of possible wireless events */
332static struct sonypi_event sonypi_wlessev[] = {
333 { 0x59, SONYPI_EVENT_WIRELESS_ON },
334 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
335 { 0, 0 }
336};
337
338/* The set of possible back button events */
339static struct sonypi_event sonypi_backev[] = {
340 { 0x20, SONYPI_EVENT_BACK_PRESSED },
341 { 0, 0 }
342};
343
344/* The set of possible help button events */
345static struct sonypi_event sonypi_helpev[] = {
346 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
347 { 0, 0 }
348};
349
350
351/* The set of possible lid events */
352static struct sonypi_event sonypi_lidev[] = {
353 { 0x51, SONYPI_EVENT_LID_CLOSED },
354 { 0x50, SONYPI_EVENT_LID_OPENED },
355 { 0, 0 }
356};
357
358/* The set of possible zoom events */
359static struct sonypi_event sonypi_zoomev[] = {
360 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
361 { 0, 0 }
362};
363
364/* The set of possible thumbphrase events */
365static struct sonypi_event sonypi_thumbphraseev[] = {
366 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
367 { 0, 0 }
368};
369
370/* The set of possible motioneye camera events */
371static struct sonypi_event sonypi_meyeev[] = {
372 { 0x00, SONYPI_EVENT_MEYE_FACE },
373 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
374 { 0, 0 }
375};
376
377/* The set of possible memorystick events */
378static struct sonypi_event sonypi_memorystickev[] = {
379 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
380 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
381 { 0, 0 }
382};
383
384/* The set of possible battery events */
385static struct sonypi_event sonypi_batteryev[] = {
386 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
387 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
388 { 0, 0 }
389};
390
391static struct sonypi_eventtypes {
392 int model;
393 u8 data;
394 unsigned long mask;
395 struct sonypi_event * events;
396} sonypi_eventtypes[] = {
397 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
398 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
399 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
400 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
401 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
402 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
403 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
404 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
405 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
406 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
407
408 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
409 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
410 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
411 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
412 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
413 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
414 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
415 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
416 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
417 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
418 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
419 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
420 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
421 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
422
423 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
424 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
425 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
426 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
427 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
428 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
429 { 0 }
430};
431
432#define SONYPI_BUF_SIZE 128
433
434/* Correspondance table between sonypi events and input layer events */
435static struct {
436 int sonypiev;
437 int inputev;
438} sonypi_inputkeys[] = {
439 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
440 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
441 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
442 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
443 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
444 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
445 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
446 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
447 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
448 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
449 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
450 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
451 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
452 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
453 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
454 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
455 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
456 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
457 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
458 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
459 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
460 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
461 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
462 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
463 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
464 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
465 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
466 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
467 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
468 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
469 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
470 { 0, 0 },
471};
472
473struct sonypi_keypress {
474 struct input_dev *dev;
475 int key;
476};
477
478static struct sonypi_device {
479 struct pci_dev *dev;
480 u16 irq;
481 u16 bits;
482 u16 ioport1;
483 u16 ioport2;
484 u16 region_size;
485 u16 evtype_offset;
486 int camera_power;
487 int bluetooth_power;
488 struct mutex lock;
489 struct kfifo fifo;
490 spinlock_t fifo_lock;
491 wait_queue_head_t fifo_proc_list;
492 struct fasync_struct *fifo_async;
493 int open_count;
494 int model;
495 struct input_dev *input_jog_dev;
496 struct input_dev *input_key_dev;
497 struct work_struct input_work;
498 struct kfifo input_fifo;
499 spinlock_t input_fifo_lock;
500} sonypi_device;
501
502#define ITERATIONS_LONG 10000
503#define ITERATIONS_SHORT 10
504
505#define wait_on_command(quiet, command, iterations) { \
506 unsigned int n = iterations; \
507 while (--n && (command)) \
508 udelay(1); \
509 if (!n && (verbose || !quiet)) \
510 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
511}
512
513#ifdef CONFIG_ACPI
514#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
515#else
516#define SONYPI_ACPI_ACTIVE 0
517#endif /* CONFIG_ACPI */
518
519#ifdef CONFIG_ACPI
520static struct acpi_device *sonypi_acpi_device;
521static int acpi_driver_registered;
522#endif
523
524static int sonypi_ec_write(u8 addr, u8 value)
525{
526#ifdef CONFIG_ACPI
527 if (SONYPI_ACPI_ACTIVE)
528 return ec_write(addr, value);
529#endif
530 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
531 outb_p(0x81, SONYPI_CST_IOPORT);
532 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
533 outb_p(addr, SONYPI_DATA_IOPORT);
534 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
535 outb_p(value, SONYPI_DATA_IOPORT);
536 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
537 return 0;
538}
539
540static int sonypi_ec_read(u8 addr, u8 *value)
541{
542#ifdef CONFIG_ACPI
543 if (SONYPI_ACPI_ACTIVE)
544 return ec_read(addr, value);
545#endif
546 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
547 outb_p(0x80, SONYPI_CST_IOPORT);
548 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
549 outb_p(addr, SONYPI_DATA_IOPORT);
550 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
551 *value = inb_p(SONYPI_DATA_IOPORT);
552 return 0;
553}
554
555static int ec_read16(u8 addr, u16 *value)
556{
557 u8 val_lb, val_hb;
558 if (sonypi_ec_read(addr, &val_lb))
559 return -1;
560 if (sonypi_ec_read(addr + 1, &val_hb))
561 return -1;
562 *value = val_lb | (val_hb << 8);
563 return 0;
564}
565
566/* Initializes the device - this comes from the AML code in the ACPI bios */
567static void sonypi_type1_srs(void)
568{
569 u32 v;
570
571 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
572 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
573 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
574
575 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
576 v = (v & 0xFFF0FFFF) |
577 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
578 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
579
580 v = inl(SONYPI_IRQ_PORT);
581 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
582 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
583 outl(v, SONYPI_IRQ_PORT);
584
585 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
586 v = (v & 0xFF1FFFFF) | 0x00C00000;
587 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
588}
589
590static void sonypi_type2_srs(void)
591{
592 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
593 printk(KERN_WARNING "ec_write failed\n");
594 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
595 printk(KERN_WARNING "ec_write failed\n");
596 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
597 printk(KERN_WARNING "ec_write failed\n");
598 udelay(10);
599}
600
601static void sonypi_type3_srs(void)
602{
603 u16 v16;
604 u8 v8;
605
606 /* This model type uses the same initialization of
607 * the embedded controller as the type2 models. */
608 sonypi_type2_srs();
609
610 /* Initialization of PCI config space of the LPC interface bridge. */
611 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
612 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
613 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
614 v8 = (v8 & 0xCF) | 0x10;
615 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
616}
617
618/* Disables the device - this comes from the AML code in the ACPI bios */
619static void sonypi_type1_dis(void)
620{
621 u32 v;
622
623 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
624 v = v & 0xFF3FFFFF;
625 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
626
627 v = inl(SONYPI_IRQ_PORT);
628 v |= (0x3 << SONYPI_IRQ_SHIFT);
629 outl(v, SONYPI_IRQ_PORT);
630}
631
632static void sonypi_type2_dis(void)
633{
634 if (sonypi_ec_write(SONYPI_SHIB, 0))
635 printk(KERN_WARNING "ec_write failed\n");
636 if (sonypi_ec_write(SONYPI_SLOB, 0))
637 printk(KERN_WARNING "ec_write failed\n");
638 if (sonypi_ec_write(SONYPI_SIRQ, 0))
639 printk(KERN_WARNING "ec_write failed\n");
640}
641
642static void sonypi_type3_dis(void)
643{
644 sonypi_type2_dis();
645 udelay(10);
646 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
647}
648
649static u8 sonypi_call1(u8 dev)
650{
651 u8 v1, v2;
652
653 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
654 outb(dev, sonypi_device.ioport2);
655 v1 = inb_p(sonypi_device.ioport2);
656 v2 = inb_p(sonypi_device.ioport1);
657 return v2;
658}
659
660static u8 sonypi_call2(u8 dev, u8 fn)
661{
662 u8 v1;
663
664 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
665 outb(dev, sonypi_device.ioport2);
666 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
667 outb(fn, sonypi_device.ioport1);
668 v1 = inb_p(sonypi_device.ioport1);
669 return v1;
670}
671
672static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
673{
674 u8 v1;
675
676 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
677 outb(dev, sonypi_device.ioport2);
678 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
679 outb(fn, sonypi_device.ioport1);
680 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
681 outb(v, sonypi_device.ioport1);
682 v1 = inb_p(sonypi_device.ioport1);
683 return v1;
684}
685
686#if 0
687/* Get brightness, hue etc. Unreliable... */
688static u8 sonypi_read(u8 fn)
689{
690 u8 v1, v2;
691 int n = 100;
692
693 while (n--) {
694 v1 = sonypi_call2(0x8f, fn);
695 v2 = sonypi_call2(0x8f, fn);
696 if (v1 == v2 && v1 != 0xff)
697 return v1;
698 }
699 return 0xff;
700}
701#endif
702
703/* Set brightness, hue etc */
704static void sonypi_set(u8 fn, u8 v)
705{
706 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
707}
708
709/* Tests if the camera is ready */
710static int sonypi_camera_ready(void)
711{
712 u8 v;
713
714 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
715 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
716}
717
718/* Turns the camera off */
719static void sonypi_camera_off(void)
720{
721 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
722
723 if (!sonypi_device.camera_power)
724 return;
725
726 sonypi_call2(0x91, 0);
727 sonypi_device.camera_power = 0;
728}
729
730/* Turns the camera on */
731static void sonypi_camera_on(void)
732{
733 int i, j;
734
735 if (sonypi_device.camera_power)
736 return;
737
738 for (j = 5; j > 0; j--) {
739
740 while (sonypi_call2(0x91, 0x1))
741 msleep(10);
742 sonypi_call1(0x93);
743
744 for (i = 400; i > 0; i--) {
745 if (sonypi_camera_ready())
746 break;
747 msleep(10);
748 }
749 if (i)
750 break;
751 }
752
753 if (j == 0) {
754 printk(KERN_WARNING "sonypi: failed to power on camera\n");
755 return;
756 }
757
758 sonypi_set(0x10, 0x5a);
759 sonypi_device.camera_power = 1;
760}
761
762/* sets the bluetooth subsystem power state */
763static void sonypi_setbluetoothpower(u8 state)
764{
765 state = !!state;
766
767 if (sonypi_device.bluetooth_power == state)
768 return;
769
770 sonypi_call2(0x96, state);
771 sonypi_call1(0x82);
772 sonypi_device.bluetooth_power = state;
773}
774
775static void input_keyrelease(struct work_struct *work)
776{
777 struct sonypi_keypress kp;
778
779 while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
780 sizeof(kp), &sonypi_device.input_fifo_lock)
781 == sizeof(kp)) {
782 msleep(10);
783 input_report_key(kp.dev, kp.key, 0);
784 input_sync(kp.dev);
785 }
786}
787
788static void sonypi_report_input_event(u8 event)
789{
790 struct input_dev *jog_dev = sonypi_device.input_jog_dev;
791 struct input_dev *key_dev = sonypi_device.input_key_dev;
792 struct sonypi_keypress kp = { NULL };
793 int i;
794
795 switch (event) {
796 case SONYPI_EVENT_JOGDIAL_UP:
797 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
798 input_report_rel(jog_dev, REL_WHEEL, 1);
799 input_sync(jog_dev);
800 break;
801
802 case SONYPI_EVENT_JOGDIAL_DOWN:
803 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
804 input_report_rel(jog_dev, REL_WHEEL, -1);
805 input_sync(jog_dev);
806 break;
807
808 case SONYPI_EVENT_JOGDIAL_PRESSED:
809 kp.key = BTN_MIDDLE;
810 kp.dev = jog_dev;
811 break;
812
813 case SONYPI_EVENT_FNKEY_RELEASED:
814 /* Nothing, not all VAIOs generate this event */
815 break;
816
817 default:
818 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
819 if (event == sonypi_inputkeys[i].sonypiev) {
820 kp.dev = key_dev;
821 kp.key = sonypi_inputkeys[i].inputev;
822 break;
823 }
824 break;
825 }
826
827 if (kp.dev) {
828 input_report_key(kp.dev, kp.key, 1);
829 input_sync(kp.dev);
830 kfifo_in_locked(&sonypi_device.input_fifo,
831 (unsigned char *)&kp, sizeof(kp),
832 &sonypi_device.input_fifo_lock);
833 schedule_work(&sonypi_device.input_work);
834 }
835}
836
837/* Interrupt handler: some event is available */
838static irqreturn_t sonypi_irq(int irq, void *dev_id)
839{
840 u8 v1, v2, event = 0;
841 int i, j;
842
843 v1 = inb_p(sonypi_device.ioport1);
844 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
845
846 for (i = 0; sonypi_eventtypes[i].model; i++) {
847 if (sonypi_device.model != sonypi_eventtypes[i].model)
848 continue;
849 if ((v2 & sonypi_eventtypes[i].data) !=
850 sonypi_eventtypes[i].data)
851 continue;
852 if (!(mask & sonypi_eventtypes[i].mask))
853 continue;
854 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
855 if (v1 == sonypi_eventtypes[i].events[j].data) {
856 event = sonypi_eventtypes[i].events[j].event;
857 goto found;
858 }
859 }
860 }
861
862 if (verbose)
863 printk(KERN_WARNING
864 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
865 v1, v2);
866 /* We need to return IRQ_HANDLED here because there *are*
867 * events belonging to the sonypi device we don't know about,
868 * but we still don't want those to pollute the logs... */
869 return IRQ_HANDLED;
870
871found:
872 if (verbose > 1)
873 printk(KERN_INFO
874 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
875
876 if (useinput)
877 sonypi_report_input_event(event);
878
879 kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
880 sizeof(event), &sonypi_device.fifo_lock);
881 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
882 wake_up_interruptible(&sonypi_device.fifo_proc_list);
883
884 return IRQ_HANDLED;
885}
886
887static int sonypi_misc_fasync(int fd, struct file *filp, int on)
888{
889 return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
890}
891
892static int sonypi_misc_release(struct inode *inode, struct file *file)
893{
894 mutex_lock(&sonypi_device.lock);
895 sonypi_device.open_count--;
896 mutex_unlock(&sonypi_device.lock);
897 return 0;
898}
899
900static int sonypi_misc_open(struct inode *inode, struct file *file)
901{
902 mutex_lock(&sonypi_device.lock);
903 /* Flush input queue on first open */
904 if (!sonypi_device.open_count)
905 kfifo_reset(&sonypi_device.fifo);
906 sonypi_device.open_count++;
907 mutex_unlock(&sonypi_device.lock);
908
909 return 0;
910}
911
912static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
913 size_t count, loff_t *pos)
914{
915 ssize_t ret;
916 unsigned char c;
917
918 if ((kfifo_len(&sonypi_device.fifo) == 0) &&
919 (file->f_flags & O_NONBLOCK))
920 return -EAGAIN;
921
922 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
923 kfifo_len(&sonypi_device.fifo) != 0);
924 if (ret)
925 return ret;
926
927 while (ret < count &&
928 (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
929 &sonypi_device.fifo_lock) == sizeof(c))) {
930 if (put_user(c, buf++))
931 return -EFAULT;
932 ret++;
933 }
934
935 if (ret > 0) {
936 struct inode *inode = file_inode(file);
937 inode->i_atime = current_time(inode);
938 }
939
940 return ret;
941}
942
943static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
944{
945 poll_wait(file, &sonypi_device.fifo_proc_list, wait);
946 if (kfifo_len(&sonypi_device.fifo))
947 return EPOLLIN | EPOLLRDNORM;
948 return 0;
949}
950
951static long sonypi_misc_ioctl(struct file *fp,
952 unsigned int cmd, unsigned long arg)
953{
954 long ret = 0;
955 void __user *argp = (void __user *)arg;
956 u8 val8;
957 u16 val16;
958
959 mutex_lock(&sonypi_device.lock);
960 switch (cmd) {
961 case SONYPI_IOCGBRT:
962 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
963 ret = -EIO;
964 break;
965 }
966 if (copy_to_user(argp, &val8, sizeof(val8)))
967 ret = -EFAULT;
968 break;
969 case SONYPI_IOCSBRT:
970 if (copy_from_user(&val8, argp, sizeof(val8))) {
971 ret = -EFAULT;
972 break;
973 }
974 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
975 ret = -EIO;
976 break;
977 case SONYPI_IOCGBAT1CAP:
978 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
979 ret = -EIO;
980 break;
981 }
982 if (copy_to_user(argp, &val16, sizeof(val16)))
983 ret = -EFAULT;
984 break;
985 case SONYPI_IOCGBAT1REM:
986 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
987 ret = -EIO;
988 break;
989 }
990 if (copy_to_user(argp, &val16, sizeof(val16)))
991 ret = -EFAULT;
992 break;
993 case SONYPI_IOCGBAT2CAP:
994 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
995 ret = -EIO;
996 break;
997 }
998 if (copy_to_user(argp, &val16, sizeof(val16)))
999 ret = -EFAULT;
1000 break;
1001 case SONYPI_IOCGBAT2REM:
1002 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1003 ret = -EIO;
1004 break;
1005 }
1006 if (copy_to_user(argp, &val16, sizeof(val16)))
1007 ret = -EFAULT;
1008 break;
1009 case SONYPI_IOCGBATFLAGS:
1010 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1011 ret = -EIO;
1012 break;
1013 }
1014 val8 &= 0x07;
1015 if (copy_to_user(argp, &val8, sizeof(val8)))
1016 ret = -EFAULT;
1017 break;
1018 case SONYPI_IOCGBLUE:
1019 val8 = sonypi_device.bluetooth_power;
1020 if (copy_to_user(argp, &val8, sizeof(val8)))
1021 ret = -EFAULT;
1022 break;
1023 case SONYPI_IOCSBLUE:
1024 if (copy_from_user(&val8, argp, sizeof(val8))) {
1025 ret = -EFAULT;
1026 break;
1027 }
1028 sonypi_setbluetoothpower(val8);
1029 break;
1030 /* FAN Controls */
1031 case SONYPI_IOCGFAN:
1032 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1033 ret = -EIO;
1034 break;
1035 }
1036 if (copy_to_user(argp, &val8, sizeof(val8)))
1037 ret = -EFAULT;
1038 break;
1039 case SONYPI_IOCSFAN:
1040 if (copy_from_user(&val8, argp, sizeof(val8))) {
1041 ret = -EFAULT;
1042 break;
1043 }
1044 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1045 ret = -EIO;
1046 break;
1047 /* GET Temperature (useful under APM) */
1048 case SONYPI_IOCGTEMP:
1049 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1050 ret = -EIO;
1051 break;
1052 }
1053 if (copy_to_user(argp, &val8, sizeof(val8)))
1054 ret = -EFAULT;
1055 break;
1056 default:
1057 ret = -EINVAL;
1058 }
1059 mutex_unlock(&sonypi_device.lock);
1060 return ret;
1061}
1062
1063static const struct file_operations sonypi_misc_fops = {
1064 .owner = THIS_MODULE,
1065 .read = sonypi_misc_read,
1066 .poll = sonypi_misc_poll,
1067 .open = sonypi_misc_open,
1068 .release = sonypi_misc_release,
1069 .fasync = sonypi_misc_fasync,
1070 .unlocked_ioctl = sonypi_misc_ioctl,
1071 .llseek = no_llseek,
1072};
1073
1074static struct miscdevice sonypi_misc_device = {
1075 .minor = MISC_DYNAMIC_MINOR,
1076 .name = "sonypi",
1077 .fops = &sonypi_misc_fops,
1078};
1079
1080static void sonypi_enable(unsigned int camera_on)
1081{
1082 switch (sonypi_device.model) {
1083 case SONYPI_DEVICE_MODEL_TYPE1:
1084 sonypi_type1_srs();
1085 break;
1086 case SONYPI_DEVICE_MODEL_TYPE2:
1087 sonypi_type2_srs();
1088 break;
1089 case SONYPI_DEVICE_MODEL_TYPE3:
1090 sonypi_type3_srs();
1091 break;
1092 }
1093
1094 sonypi_call1(0x82);
1095 sonypi_call2(0x81, 0xff);
1096 sonypi_call1(compat ? 0x92 : 0x82);
1097
1098 /* Enable ACPI mode to get Fn key events */
1099 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1100 outb(0xf0, 0xb2);
1101
1102 if (camera && camera_on)
1103 sonypi_camera_on();
1104}
1105
1106static int sonypi_disable(void)
1107{
1108 sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1109 if (camera)
1110 sonypi_camera_off();
1111
1112 /* disable ACPI mode */
1113 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1114 outb(0xf1, 0xb2);
1115
1116 switch (sonypi_device.model) {
1117 case SONYPI_DEVICE_MODEL_TYPE1:
1118 sonypi_type1_dis();
1119 break;
1120 case SONYPI_DEVICE_MODEL_TYPE2:
1121 sonypi_type2_dis();
1122 break;
1123 case SONYPI_DEVICE_MODEL_TYPE3:
1124 sonypi_type3_dis();
1125 break;
1126 }
1127
1128 return 0;
1129}
1130
1131#ifdef CONFIG_ACPI
1132static int sonypi_acpi_add(struct acpi_device *device)
1133{
1134 sonypi_acpi_device = device;
1135 strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1136 strcpy(acpi_device_class(device), "sony/hotkey");
1137 return 0;
1138}
1139
1140static int sonypi_acpi_remove(struct acpi_device *device)
1141{
1142 sonypi_acpi_device = NULL;
1143 return 0;
1144}
1145
1146static const struct acpi_device_id sonypi_device_ids[] = {
1147 {"SNY6001", 0},
1148 {"", 0},
1149};
1150
1151static struct acpi_driver sonypi_acpi_driver = {
1152 .name = "sonypi",
1153 .class = "hkey",
1154 .ids = sonypi_device_ids,
1155 .ops = {
1156 .add = sonypi_acpi_add,
1157 .remove = sonypi_acpi_remove,
1158 },
1159};
1160#endif
1161
1162static int sonypi_create_input_devices(struct platform_device *pdev)
1163{
1164 struct input_dev *jog_dev;
1165 struct input_dev *key_dev;
1166 int i;
1167 int error;
1168
1169 sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1170 if (!jog_dev)
1171 return -ENOMEM;
1172
1173 jog_dev->name = "Sony Vaio Jogdial";
1174 jog_dev->id.bustype = BUS_ISA;
1175 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1176 jog_dev->dev.parent = &pdev->dev;
1177
1178 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1179 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1180 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1181
1182 sonypi_device.input_key_dev = key_dev = input_allocate_device();
1183 if (!key_dev) {
1184 error = -ENOMEM;
1185 goto err_free_jogdev;
1186 }
1187
1188 key_dev->name = "Sony Vaio Keys";
1189 key_dev->id.bustype = BUS_ISA;
1190 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1191 key_dev->dev.parent = &pdev->dev;
1192
1193 /* Initialize the Input Drivers: special keys */
1194 key_dev->evbit[0] = BIT_MASK(EV_KEY);
1195 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1196 if (sonypi_inputkeys[i].inputev)
1197 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1198
1199 error = input_register_device(jog_dev);
1200 if (error)
1201 goto err_free_keydev;
1202
1203 error = input_register_device(key_dev);
1204 if (error)
1205 goto err_unregister_jogdev;
1206
1207 return 0;
1208
1209 err_unregister_jogdev:
1210 input_unregister_device(jog_dev);
1211 /* Set to NULL so we don't free it again below */
1212 jog_dev = NULL;
1213 err_free_keydev:
1214 input_free_device(key_dev);
1215 sonypi_device.input_key_dev = NULL;
1216 err_free_jogdev:
1217 input_free_device(jog_dev);
1218 sonypi_device.input_jog_dev = NULL;
1219
1220 return error;
1221}
1222
1223static int sonypi_setup_ioports(struct sonypi_device *dev,
1224 const struct sonypi_ioport_list *ioport_list)
1225{
1226 /* try to detect if sony-laptop is being used and thus
1227 * has already requested one of the known ioports.
1228 * As in the deprecated check_region this is racy has we have
1229 * multiple ioports available and one of them can be requested
1230 * between this check and the subsequent request. Anyway, as an
1231 * attempt to be some more user-friendly as we currently are,
1232 * this is enough.
1233 */
1234 const struct sonypi_ioport_list *check = ioport_list;
1235 while (check_ioport && check->port1) {
1236 if (!request_region(check->port1,
1237 sonypi_device.region_size,
1238 "Sony Programmable I/O Device Check")) {
1239 printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1240 "if not use check_ioport=0\n",
1241 check->port1);
1242 return -EBUSY;
1243 }
1244 release_region(check->port1, sonypi_device.region_size);
1245 check++;
1246 }
1247
1248 while (ioport_list->port1) {
1249
1250 if (request_region(ioport_list->port1,
1251 sonypi_device.region_size,
1252 "Sony Programmable I/O Device")) {
1253 dev->ioport1 = ioport_list->port1;
1254 dev->ioport2 = ioport_list->port2;
1255 return 0;
1256 }
1257 ioport_list++;
1258 }
1259
1260 return -EBUSY;
1261}
1262
1263static int sonypi_setup_irq(struct sonypi_device *dev,
1264 const struct sonypi_irq_list *irq_list)
1265{
1266 while (irq_list->irq) {
1267
1268 if (!request_irq(irq_list->irq, sonypi_irq,
1269 IRQF_SHARED, "sonypi", sonypi_irq)) {
1270 dev->irq = irq_list->irq;
1271 dev->bits = irq_list->bits;
1272 return 0;
1273 }
1274 irq_list++;
1275 }
1276
1277 return -EBUSY;
1278}
1279
1280static void sonypi_display_info(void)
1281{
1282 printk(KERN_INFO "sonypi: detected type%d model, "
1283 "verbose = %d, fnkeyinit = %s, camera = %s, "
1284 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1285 sonypi_device.model,
1286 verbose,
1287 fnkeyinit ? "on" : "off",
1288 camera ? "on" : "off",
1289 compat ? "on" : "off",
1290 mask,
1291 useinput ? "on" : "off",
1292 SONYPI_ACPI_ACTIVE ? "on" : "off");
1293 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1294 sonypi_device.irq,
1295 sonypi_device.ioport1, sonypi_device.ioport2);
1296
1297 if (minor == -1)
1298 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1299 sonypi_misc_device.minor);
1300}
1301
1302static int sonypi_probe(struct platform_device *dev)
1303{
1304 const struct sonypi_ioport_list *ioport_list;
1305 const struct sonypi_irq_list *irq_list;
1306 struct pci_dev *pcidev;
1307 int error;
1308
1309 printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1310 "and report failures, see also "
1311 "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1312
1313 spin_lock_init(&sonypi_device.fifo_lock);
1314 error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1315 if (error) {
1316 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1317 return error;
1318 }
1319
1320 init_waitqueue_head(&sonypi_device.fifo_proc_list);
1321 mutex_init(&sonypi_device.lock);
1322 sonypi_device.bluetooth_power = -1;
1323
1324 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1325 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1326 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1327 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1328 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1329 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1330 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1331 PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1332 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1333 else
1334 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1335
1336 if (pcidev && pci_enable_device(pcidev)) {
1337 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1338 error = -EIO;
1339 goto err_put_pcidev;
1340 }
1341
1342 sonypi_device.dev = pcidev;
1343
1344 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1345 ioport_list = sonypi_type1_ioport_list;
1346 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1347 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1348 irq_list = sonypi_type1_irq_list;
1349 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1350 ioport_list = sonypi_type2_ioport_list;
1351 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1352 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1353 irq_list = sonypi_type2_irq_list;
1354 } else {
1355 ioport_list = sonypi_type3_ioport_list;
1356 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1357 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1358 irq_list = sonypi_type3_irq_list;
1359 }
1360
1361 error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1362 if (error) {
1363 printk(KERN_ERR "sonypi: failed to request ioports\n");
1364 goto err_disable_pcidev;
1365 }
1366
1367 error = sonypi_setup_irq(&sonypi_device, irq_list);
1368 if (error) {
1369 printk(KERN_ERR "sonypi: request_irq failed\n");
1370 goto err_free_ioports;
1371 }
1372
1373 if (minor != -1)
1374 sonypi_misc_device.minor = minor;
1375 error = misc_register(&sonypi_misc_device);
1376 if (error) {
1377 printk(KERN_ERR "sonypi: misc_register failed\n");
1378 goto err_free_irq;
1379 }
1380
1381 sonypi_display_info();
1382
1383 if (useinput) {
1384
1385 error = sonypi_create_input_devices(dev);
1386 if (error) {
1387 printk(KERN_ERR
1388 "sonypi: failed to create input devices\n");
1389 goto err_miscdev_unregister;
1390 }
1391
1392 spin_lock_init(&sonypi_device.input_fifo_lock);
1393 error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1394 GFP_KERNEL);
1395 if (error) {
1396 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1397 goto err_inpdev_unregister;
1398 }
1399
1400 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1401 }
1402
1403 sonypi_enable(0);
1404
1405 return 0;
1406
1407 err_inpdev_unregister:
1408 input_unregister_device(sonypi_device.input_key_dev);
1409 input_unregister_device(sonypi_device.input_jog_dev);
1410 err_miscdev_unregister:
1411 misc_deregister(&sonypi_misc_device);
1412 err_free_irq:
1413 free_irq(sonypi_device.irq, sonypi_irq);
1414 err_free_ioports:
1415 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1416 err_disable_pcidev:
1417 if (pcidev)
1418 pci_disable_device(pcidev);
1419 err_put_pcidev:
1420 pci_dev_put(pcidev);
1421 kfifo_free(&sonypi_device.fifo);
1422
1423 return error;
1424}
1425
1426static int sonypi_remove(struct platform_device *dev)
1427{
1428 sonypi_disable();
1429
1430 synchronize_irq(sonypi_device.irq);
1431 flush_work(&sonypi_device.input_work);
1432
1433 if (useinput) {
1434 input_unregister_device(sonypi_device.input_key_dev);
1435 input_unregister_device(sonypi_device.input_jog_dev);
1436 kfifo_free(&sonypi_device.input_fifo);
1437 }
1438
1439 misc_deregister(&sonypi_misc_device);
1440
1441 free_irq(sonypi_device.irq, sonypi_irq);
1442 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1443
1444 if (sonypi_device.dev) {
1445 pci_disable_device(sonypi_device.dev);
1446 pci_dev_put(sonypi_device.dev);
1447 }
1448
1449 kfifo_free(&sonypi_device.fifo);
1450
1451 return 0;
1452}
1453
1454#ifdef CONFIG_PM_SLEEP
1455static int old_camera_power;
1456
1457static int sonypi_suspend(struct device *dev)
1458{
1459 old_camera_power = sonypi_device.camera_power;
1460 sonypi_disable();
1461
1462 return 0;
1463}
1464
1465static int sonypi_resume(struct device *dev)
1466{
1467 sonypi_enable(old_camera_power);
1468 return 0;
1469}
1470
1471static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1472#define SONYPI_PM (&sonypi_pm)
1473#else
1474#define SONYPI_PM NULL
1475#endif
1476
1477static void sonypi_shutdown(struct platform_device *dev)
1478{
1479 sonypi_disable();
1480}
1481
1482static struct platform_driver sonypi_driver = {
1483 .driver = {
1484 .name = "sonypi",
1485 .pm = SONYPI_PM,
1486 },
1487 .probe = sonypi_probe,
1488 .remove = sonypi_remove,
1489 .shutdown = sonypi_shutdown,
1490};
1491
1492static struct platform_device *sonypi_platform_device;
1493
1494static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
1495 {
1496 .ident = "Sony Vaio",
1497 .matches = {
1498 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1499 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1500 },
1501 },
1502 {
1503 .ident = "Sony Vaio",
1504 .matches = {
1505 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1506 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1507 },
1508 },
1509 { }
1510};
1511
1512static int __init sonypi_init(void)
1513{
1514 int error;
1515
1516 printk(KERN_INFO
1517 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1518 SONYPI_DRIVER_VERSION);
1519
1520 if (!dmi_check_system(sonypi_dmi_table))
1521 return -ENODEV;
1522
1523 error = platform_driver_register(&sonypi_driver);
1524 if (error)
1525 return error;
1526
1527 sonypi_platform_device = platform_device_alloc("sonypi", -1);
1528 if (!sonypi_platform_device) {
1529 error = -ENOMEM;
1530 goto err_driver_unregister;
1531 }
1532
1533 error = platform_device_add(sonypi_platform_device);
1534 if (error)
1535 goto err_free_device;
1536
1537#ifdef CONFIG_ACPI
1538 if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1539 acpi_driver_registered = 1;
1540#endif
1541
1542 return 0;
1543
1544 err_free_device:
1545 platform_device_put(sonypi_platform_device);
1546 err_driver_unregister:
1547 platform_driver_unregister(&sonypi_driver);
1548 return error;
1549}
1550
1551static void __exit sonypi_exit(void)
1552{
1553#ifdef CONFIG_ACPI
1554 if (acpi_driver_registered)
1555 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1556#endif
1557 platform_device_unregister(sonypi_platform_device);
1558 platform_driver_unregister(&sonypi_driver);
1559 printk(KERN_INFO "sonypi: removed.\n");
1560}
1561
1562module_init(sonypi_init);
1563module_exit(sonypi_exit);
1564

Warning: That file was not part of the compilation database. It may have many parsing errors.