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[PATCH] sysctl: x86_64: remove unnecessary use of insert_at_head
[linux-2.6.git] / drivers / char / sonypi.c
blob78237577b05ac57790ac34aee0f601b8aae23aa7
1 /*
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 Alcôve <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/module.h>
37 #include <linux/input.h>
38 #include <linux/pci.h>
39 #include <linux/init.h>
40 #include <linux/interrupt.h>
41 #include <linux/miscdevice.h>
42 #include <linux/poll.h>
43 #include <linux/delay.h>
44 #include <linux/wait.h>
45 #include <linux/acpi.h>
46 #include <linux/dmi.h>
47 #include <linux/err.h>
48 #include <linux/kfifo.h>
49 #include <linux/platform_device.h>
50
51 #include <asm/uaccess.h>
52 #include <asm/io.h>
53 #include <asm/system.h>
54
55 #include <linux/sonypi.h>
56
57 #define SONYPI_DRIVER_VERSION "1.26"
58
59 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
60 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
61 MODULE_LICENSE("GPL");
62 MODULE_VERSION(SONYPI_DRIVER_VERSION);
63
64 static int minor = -1;
65 module_param(minor, int, 0);
66 MODULE_PARM_DESC(minor,
67 "minor number of the misc device, default is -1 (automatic)");
68
69 static int verbose; /* = 0 */
70 module_param(verbose, int, 0644);
71 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
72
73 static int fnkeyinit; /* = 0 */
74 module_param(fnkeyinit, int, 0444);
75 MODULE_PARM_DESC(fnkeyinit,
76 "set this if your Fn keys do not generate any event");
77
78 static int camera; /* = 0 */
79 module_param(camera, int, 0444);
80 MODULE_PARM_DESC(camera,
81 "set this if you have a MotionEye camera (PictureBook series)");
82
83 static int compat; /* = 0 */
84 module_param(compat, int, 0444);
85 MODULE_PARM_DESC(compat,
86 "set this if you want to enable backward compatibility mode");
87
88 static unsigned long mask = 0xffffffff;
89 module_param(mask, ulong, 0644);
90 MODULE_PARM_DESC(mask,
91 "set this to the mask of event you want to enable (see doc)");
92
93 static int useinput = 1;
94 module_param(useinput, int, 0444);
95 MODULE_PARM_DESC(useinput,
96 "set this if you would like sonypi to feed events to the input subsystem");
97
98 #define SONYPI_DEVICE_MODEL_TYPE1 1
99 #define SONYPI_DEVICE_MODEL_TYPE2 2
100 #define SONYPI_DEVICE_MODEL_TYPE3 3
101
102 /* type1 models use those */
103 #define SONYPI_IRQ_PORT 0x8034
104 #define SONYPI_IRQ_SHIFT 22
105 #define SONYPI_TYPE1_BASE 0x50
106 #define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
107 #define SONYPI_TYPE1_REGION_SIZE 0x08
108 #define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
109
110 /* type2 series specifics */
111 #define SONYPI_SIRQ 0x9b
112 #define SONYPI_SLOB 0x9c
113 #define SONYPI_SHIB 0x9d
114 #define SONYPI_TYPE2_REGION_SIZE 0x20
115 #define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
116
117 /* type3 series specifics */
118 #define SONYPI_TYPE3_BASE 0x40
119 #define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
120 #define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
121 #define SONYPI_TYPE3_REGION_SIZE 0x20
122 #define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
123
124 /* battery / brightness addresses */
125 #define SONYPI_BAT_FLAGS 0x81
126 #define SONYPI_LCD_LIGHT 0x96
127 #define SONYPI_BAT1_PCTRM 0xa0
128 #define SONYPI_BAT1_LEFT 0xa2
129 #define SONYPI_BAT1_MAXRT 0xa4
130 #define SONYPI_BAT2_PCTRM 0xa8
131 #define SONYPI_BAT2_LEFT 0xaa
132 #define SONYPI_BAT2_MAXRT 0xac
133 #define SONYPI_BAT1_MAXTK 0xb0
134 #define SONYPI_BAT1_FULL 0xb2
135 #define SONYPI_BAT2_MAXTK 0xb8
136 #define SONYPI_BAT2_FULL 0xba
137
138 /* FAN0 information (reverse engineered from ACPI tables) */
139 #define SONYPI_FAN0_STATUS 0x93
140 #define SONYPI_TEMP_STATUS 0xC1
141
142 /* ioports used for brightness and type2 events */
143 #define SONYPI_DATA_IOPORT 0x62
144 #define SONYPI_CST_IOPORT 0x66
145
146 /* The set of possible ioports */
147 struct sonypi_ioport_list {
148 u16 port1;
149 u16 port2;
150 };
151
152 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
153 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
154 { 0x1080, 0x1084 },
155 { 0x1090, 0x1094 },
156 { 0x10a0, 0x10a4 },
157 { 0x10b0, 0x10b4 },
158 { 0x0, 0x0 }
159 };
160
161 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
162 { 0x1080, 0x1084 },
163 { 0x10a0, 0x10a4 },
164 { 0x10c0, 0x10c4 },
165 { 0x10e0, 0x10e4 },
166 { 0x0, 0x0 }
167 };
168
169 /* same as in type 2 models */
170 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
171 sonypi_type2_ioport_list;
172
173 /* The set of possible interrupts */
174 struct sonypi_irq_list {
175 u16 irq;
176 u16 bits;
177 };
178
179 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
180 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
181 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
182 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
183 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
184 };
185
186 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
187 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
188 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
189 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
190 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
191 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
192 };
193
194 /* same as in type2 models */
195 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
196
197 #define SONYPI_CAMERA_BRIGHTNESS 0
198 #define SONYPI_CAMERA_CONTRAST 1
199 #define SONYPI_CAMERA_HUE 2
200 #define SONYPI_CAMERA_COLOR 3
201 #define SONYPI_CAMERA_SHARPNESS 4
202
203 #define SONYPI_CAMERA_PICTURE 5
204 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
205 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
206 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
207 #define SONYPI_CAMERA_MUTE_MASK 0x40
208
209 /* the rest don't need a loop until not 0xff */
210 #define SONYPI_CAMERA_AGC 6
211 #define SONYPI_CAMERA_AGC_MASK 0x30
212 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
213
214 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
215 #define SONYPI_CAMERA_CONTROL 0x10
216
217 #define SONYPI_CAMERA_STATUS 7
218 #define SONYPI_CAMERA_STATUS_READY 0x2
219 #define SONYPI_CAMERA_STATUS_POSITION 0x4
220
221 #define SONYPI_DIRECTION_BACKWARDS 0x4
222
223 #define SONYPI_CAMERA_REVISION 8
224 #define SONYPI_CAMERA_ROMVERSION 9
225
226 /* Event masks */
227 #define SONYPI_JOGGER_MASK 0x00000001
228 #define SONYPI_CAPTURE_MASK 0x00000002
229 #define SONYPI_FNKEY_MASK 0x00000004
230 #define SONYPI_BLUETOOTH_MASK 0x00000008
231 #define SONYPI_PKEY_MASK 0x00000010
232 #define SONYPI_BACK_MASK 0x00000020
233 #define SONYPI_HELP_MASK 0x00000040
234 #define SONYPI_LID_MASK 0x00000080
235 #define SONYPI_ZOOM_MASK 0x00000100
236 #define SONYPI_THUMBPHRASE_MASK 0x00000200
237 #define SONYPI_MEYE_MASK 0x00000400
238 #define SONYPI_MEMORYSTICK_MASK 0x00000800
239 #define SONYPI_BATTERY_MASK 0x00001000
240 #define SONYPI_WIRELESS_MASK 0x00002000
241
242 struct sonypi_event {
243 u8 data;
244 u8 event;
245 };
246
247 /* The set of possible button release events */
248 static struct sonypi_event sonypi_releaseev[] = {
249 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
250 { 0, 0 }
251 };
252
253 /* The set of possible jogger events */
254 static struct sonypi_event sonypi_joggerev[] = {
255 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
256 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
257 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
258 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
259 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
260 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
261 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
262 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
263 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
264 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
265 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
266 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
267 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
268 { 0, 0 }
269 };
270
271 /* The set of possible capture button events */
272 static struct sonypi_event sonypi_captureev[] = {
273 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
274 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
275 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
276 { 0, 0 }
277 };
278
279 /* The set of possible fnkeys events */
280 static struct sonypi_event sonypi_fnkeyev[] = {
281 { 0x10, SONYPI_EVENT_FNKEY_ESC },
282 { 0x11, SONYPI_EVENT_FNKEY_F1 },
283 { 0x12, SONYPI_EVENT_FNKEY_F2 },
284 { 0x13, SONYPI_EVENT_FNKEY_F3 },
285 { 0x14, SONYPI_EVENT_FNKEY_F4 },
286 { 0x15, SONYPI_EVENT_FNKEY_F5 },
287 { 0x16, SONYPI_EVENT_FNKEY_F6 },
288 { 0x17, SONYPI_EVENT_FNKEY_F7 },
289 { 0x18, SONYPI_EVENT_FNKEY_F8 },
290 { 0x19, SONYPI_EVENT_FNKEY_F9 },
291 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
292 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
293 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
294 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
295 { 0x21, SONYPI_EVENT_FNKEY_1 },
296 { 0x22, SONYPI_EVENT_FNKEY_2 },
297 { 0x31, SONYPI_EVENT_FNKEY_D },
298 { 0x32, SONYPI_EVENT_FNKEY_E },
299 { 0x33, SONYPI_EVENT_FNKEY_F },
300 { 0x34, SONYPI_EVENT_FNKEY_S },
301 { 0x35, SONYPI_EVENT_FNKEY_B },
302 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
303 { 0, 0 }
304 };
305
306 /* The set of possible program key events */
307 static struct sonypi_event sonypi_pkeyev[] = {
308 { 0x01, SONYPI_EVENT_PKEY_P1 },
309 { 0x02, SONYPI_EVENT_PKEY_P2 },
310 { 0x04, SONYPI_EVENT_PKEY_P3 },
311 { 0x5c, SONYPI_EVENT_PKEY_P1 },
312 { 0, 0 }
313 };
314
315 /* The set of possible bluetooth events */
316 static struct sonypi_event sonypi_blueev[] = {
317 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
318 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
319 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
320 { 0, 0 }
321 };
322
323 /* The set of possible wireless events */
324 static struct sonypi_event sonypi_wlessev[] = {
325 { 0x59, SONYPI_EVENT_WIRELESS_ON },
326 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
327 { 0, 0 }
328 };
329
330 /* The set of possible back button events */
331 static struct sonypi_event sonypi_backev[] = {
332 { 0x20, SONYPI_EVENT_BACK_PRESSED },
333 { 0, 0 }
334 };
335
336 /* The set of possible help button events */
337 static struct sonypi_event sonypi_helpev[] = {
338 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
339 { 0, 0 }
340 };
341
342
343 /* The set of possible lid events */
344 static struct sonypi_event sonypi_lidev[] = {
345 { 0x51, SONYPI_EVENT_LID_CLOSED },
346 { 0x50, SONYPI_EVENT_LID_OPENED },
347 { 0, 0 }
348 };
349
350 /* The set of possible zoom events */
351 static struct sonypi_event sonypi_zoomev[] = {
352 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
353 { 0, 0 }
354 };
355
356 /* The set of possible thumbphrase events */
357 static struct sonypi_event sonypi_thumbphraseev[] = {
358 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
359 { 0, 0 }
360 };
361
362 /* The set of possible motioneye camera events */
363 static struct sonypi_event sonypi_meyeev[] = {
364 { 0x00, SONYPI_EVENT_MEYE_FACE },
365 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
366 { 0, 0 }
367 };
368
369 /* The set of possible memorystick events */
370 static struct sonypi_event sonypi_memorystickev[] = {
371 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
372 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
373 { 0, 0 }
374 };
375
376 /* The set of possible battery events */
377 static struct sonypi_event sonypi_batteryev[] = {
378 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
379 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
380 { 0, 0 }
381 };
382
383 static struct sonypi_eventtypes {
384 int model;
385 u8 data;
386 unsigned long mask;
387 struct sonypi_event * events;
388 } sonypi_eventtypes[] = {
389 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
390 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
391 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
392 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
393 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
394 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
395 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
396 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
397 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
398 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
399
400 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
401 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
402 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
403 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
404 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
405 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
406 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
407 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
408 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
409 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
410 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
411 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
412 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
413 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
414
415 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
416 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
417 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
418 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
419 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
420 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
421 { 0 }
422 };
423
424 #define SONYPI_BUF_SIZE 128
425
426 /* Correspondance table between sonypi events and input layer events */
427 static struct {
428 int sonypiev;
429 int inputev;
430 } sonypi_inputkeys[] = {
431 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
432 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
433 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
434 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
435 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
436 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
437 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
438 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
439 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
440 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
441 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
442 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
443 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
444 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
445 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
446 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
447 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
448 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
449 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
450 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
451 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
452 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
453 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
454 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
455 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
456 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
457 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
458 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
459 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
460 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
461 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
462 { 0, 0 },
463 };
464
465 struct sonypi_keypress {
466 struct input_dev *dev;
467 int key;
468 };
469
470 static struct sonypi_device {
471 struct pci_dev *dev;
472 u16 irq;
473 u16 bits;
474 u16 ioport1;
475 u16 ioport2;
476 u16 region_size;
477 u16 evtype_offset;
478 int camera_power;
479 int bluetooth_power;
480 struct semaphore lock;
481 struct kfifo *fifo;
482 spinlock_t fifo_lock;
483 wait_queue_head_t fifo_proc_list;
484 struct fasync_struct *fifo_async;
485 int open_count;
486 int model;
487 struct input_dev *input_jog_dev;
488 struct input_dev *input_key_dev;
489 struct work_struct input_work;
490 struct kfifo *input_fifo;
491 spinlock_t input_fifo_lock;
492 } sonypi_device;
493
494 #define ITERATIONS_LONG 10000
495 #define ITERATIONS_SHORT 10
496
497 #define wait_on_command(quiet, command, iterations) { \
498 unsigned int n = iterations; \
499 while (--n && (command)) \
500 udelay(1); \
501 if (!n && (verbose || !quiet)) \
502 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
503 }
504
505 #ifdef CONFIG_ACPI
506 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
507 #else
508 #define SONYPI_ACPI_ACTIVE 0
509 #endif /* CONFIG_ACPI */
510
511 #ifdef CONFIG_ACPI
512 static struct acpi_device *sonypi_acpi_device;
513 static int acpi_driver_registered;
514 #endif
515
516 static int sonypi_ec_write(u8 addr, u8 value)
517 {
518 #ifdef CONFIG_ACPI_EC
519 if (SONYPI_ACPI_ACTIVE)
520 return ec_write(addr, value);
521 #endif
522 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
523 outb_p(0x81, SONYPI_CST_IOPORT);
524 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
525 outb_p(addr, SONYPI_DATA_IOPORT);
526 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
527 outb_p(value, SONYPI_DATA_IOPORT);
528 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
529 return 0;
530 }
531
532 static int sonypi_ec_read(u8 addr, u8 *value)
533 {
534 #ifdef CONFIG_ACPI_EC
535 if (SONYPI_ACPI_ACTIVE)
536 return ec_read(addr, value);
537 #endif
538 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
539 outb_p(0x80, SONYPI_CST_IOPORT);
540 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
541 outb_p(addr, SONYPI_DATA_IOPORT);
542 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
543 *value = inb_p(SONYPI_DATA_IOPORT);
544 return 0;
545 }
546
547 static int ec_read16(u8 addr, u16 *value)
548 {
549 u8 val_lb, val_hb;
550 if (sonypi_ec_read(addr, &val_lb))
551 return -1;
552 if (sonypi_ec_read(addr + 1, &val_hb))
553 return -1;
554 *value = val_lb | (val_hb << 8);
555 return 0;
556 }
557
558 /* Initializes the device - this comes from the AML code in the ACPI bios */
559 static void sonypi_type1_srs(void)
560 {
561 u32 v;
562
563 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
564 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
565 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
566
567 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
568 v = (v & 0xFFF0FFFF) |
569 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
570 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
571
572 v = inl(SONYPI_IRQ_PORT);
573 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
574 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
575 outl(v, SONYPI_IRQ_PORT);
576
577 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
578 v = (v & 0xFF1FFFFF) | 0x00C00000;
579 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
580 }
581
582 static void sonypi_type2_srs(void)
583 {
584 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
585 printk(KERN_WARNING "ec_write failed\n");
586 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
587 printk(KERN_WARNING "ec_write failed\n");
588 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
589 printk(KERN_WARNING "ec_write failed\n");
590 udelay(10);
591 }
592
593 static void sonypi_type3_srs(void)
594 {
595 u16 v16;
596 u8 v8;
597
598 /* This model type uses the same initialiazation of
599 * the embedded controller as the type2 models. */
600 sonypi_type2_srs();
601
602 /* Initialization of PCI config space of the LPC interface bridge. */
603 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
604 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
605 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
606 v8 = (v8 & 0xCF) | 0x10;
607 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
608 }
609
610 /* Disables the device - this comes from the AML code in the ACPI bios */
611 static void sonypi_type1_dis(void)
612 {
613 u32 v;
614
615 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
616 v = v & 0xFF3FFFFF;
617 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
618
619 v = inl(SONYPI_IRQ_PORT);
620 v |= (0x3 << SONYPI_IRQ_SHIFT);
621 outl(v, SONYPI_IRQ_PORT);
622 }
623
624 static void sonypi_type2_dis(void)
625 {
626 if (sonypi_ec_write(SONYPI_SHIB, 0))
627 printk(KERN_WARNING "ec_write failed\n");
628 if (sonypi_ec_write(SONYPI_SLOB, 0))
629 printk(KERN_WARNING "ec_write failed\n");
630 if (sonypi_ec_write(SONYPI_SIRQ, 0))
631 printk(KERN_WARNING "ec_write failed\n");
632 }
633
634 static void sonypi_type3_dis(void)
635 {
636 sonypi_type2_dis();
637 udelay(10);
638 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
639 }
640
641 static u8 sonypi_call1(u8 dev)
642 {
643 u8 v1, v2;
644
645 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
646 outb(dev, sonypi_device.ioport2);
647 v1 = inb_p(sonypi_device.ioport2);
648 v2 = inb_p(sonypi_device.ioport1);
649 return v2;
650 }
651
652 static u8 sonypi_call2(u8 dev, u8 fn)
653 {
654 u8 v1;
655
656 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
657 outb(dev, sonypi_device.ioport2);
658 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
659 outb(fn, sonypi_device.ioport1);
660 v1 = inb_p(sonypi_device.ioport1);
661 return v1;
662 }
663
664 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
665 {
666 u8 v1;
667
668 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
669 outb(dev, sonypi_device.ioport2);
670 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
671 outb(fn, sonypi_device.ioport1);
672 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
673 outb(v, sonypi_device.ioport1);
674 v1 = inb_p(sonypi_device.ioport1);
675 return v1;
676 }
677
678 #if 0
679 /* Get brightness, hue etc. Unreliable... */
680 static u8 sonypi_read(u8 fn)
681 {
682 u8 v1, v2;
683 int n = 100;
684
685 while (n--) {
686 v1 = sonypi_call2(0x8f, fn);
687 v2 = sonypi_call2(0x8f, fn);
688 if (v1 == v2 && v1 != 0xff)
689 return v1;
690 }
691 return 0xff;
692 }
693 #endif
694
695 /* Set brightness, hue etc */
696 static void sonypi_set(u8 fn, u8 v)
697 {
698 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
699 }
700
701 /* Tests if the camera is ready */
702 static int sonypi_camera_ready(void)
703 {
704 u8 v;
705
706 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
707 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
708 }
709
710 /* Turns the camera off */
711 static void sonypi_camera_off(void)
712 {
713 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
714
715 if (!sonypi_device.camera_power)
716 return;
717
718 sonypi_call2(0x91, 0);
719 sonypi_device.camera_power = 0;
720 }
721
722 /* Turns the camera on */
723 static void sonypi_camera_on(void)
724 {
725 int i, j;
726
727 if (sonypi_device.camera_power)
728 return;
729
730 for (j = 5; j > 0; j--) {
731
732 while (sonypi_call2(0x91, 0x1))
733 msleep(10);
734 sonypi_call1(0x93);
735
736 for (i = 400; i > 0; i--) {
737 if (sonypi_camera_ready())
738 break;
739 msleep(10);
740 }
741 if (i)
742 break;
743 }
744
745 if (j == 0) {
746 printk(KERN_WARNING "sonypi: failed to power on camera\n");
747 return;
748 }
749
750 sonypi_set(0x10, 0x5a);
751 sonypi_device.camera_power = 1;
752 }
753
754 /* sets the bluetooth subsystem power state */
755 static void sonypi_setbluetoothpower(u8 state)
756 {
757 state = !!state;
758
759 if (sonypi_device.bluetooth_power == state)
760 return;
761
762 sonypi_call2(0x96, state);
763 sonypi_call1(0x82);
764 sonypi_device.bluetooth_power = state;
765 }
766
767 static void input_keyrelease(struct work_struct *work)
768 {
769 struct sonypi_keypress kp;
770
771 while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
772 sizeof(kp)) == sizeof(kp)) {
773 msleep(10);
774 input_report_key(kp.dev, kp.key, 0);
775 input_sync(kp.dev);
776 }
777 }
778
779 static void sonypi_report_input_event(u8 event)
780 {
781 struct input_dev *jog_dev = sonypi_device.input_jog_dev;
782 struct input_dev *key_dev = sonypi_device.input_key_dev;
783 struct sonypi_keypress kp = { NULL };
784 int i;
785
786 switch (event) {
787 case SONYPI_EVENT_JOGDIAL_UP:
788 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
789 input_report_rel(jog_dev, REL_WHEEL, 1);
790 input_sync(jog_dev);
791 break;
792
793 case SONYPI_EVENT_JOGDIAL_DOWN:
794 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
795 input_report_rel(jog_dev, REL_WHEEL, -1);
796 input_sync(jog_dev);
797 break;
798
799 case SONYPI_EVENT_JOGDIAL_PRESSED:
800 kp.key = BTN_MIDDLE;
801 kp.dev = jog_dev;
802 break;
803
804 case SONYPI_EVENT_FNKEY_RELEASED:
805 /* Nothing, not all VAIOs generate this event */
806 break;
807
808 default:
809 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
810 if (event == sonypi_inputkeys[i].sonypiev) {
811 kp.dev = key_dev;
812 kp.key = sonypi_inputkeys[i].inputev;
813 break;
814 }
815 break;
816 }
817
818 if (kp.dev) {
819 input_report_key(kp.dev, kp.key, 1);
820 input_sync(kp.dev);
821 kfifo_put(sonypi_device.input_fifo,
822 (unsigned char *)&kp, sizeof(kp));
823 schedule_work(&sonypi_device.input_work);
824 }
825 }
826
827 /* Interrupt handler: some event is available */
828 static irqreturn_t sonypi_irq(int irq, void *dev_id)
829 {
830 u8 v1, v2, event = 0;
831 int i, j;
832
833 v1 = inb_p(sonypi_device.ioport1);
834 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
835
836 for (i = 0; sonypi_eventtypes[i].model; i++) {
837 if (sonypi_device.model != sonypi_eventtypes[i].model)
838 continue;
839 if ((v2 & sonypi_eventtypes[i].data) !=
840 sonypi_eventtypes[i].data)
841 continue;
842 if (!(mask & sonypi_eventtypes[i].mask))
843 continue;
844 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
845 if (v1 == sonypi_eventtypes[i].events[j].data) {
846 event = sonypi_eventtypes[i].events[j].event;
847 goto found;
848 }
849 }
850 }
851
852 if (verbose)
853 printk(KERN_WARNING
854 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
855 v1, v2);
856 /* We need to return IRQ_HANDLED here because there *are*
857 * events belonging to the sonypi device we don't know about,
858 * but we still don't want those to pollute the logs... */
859 return IRQ_HANDLED;
860
861 found:
862 if (verbose > 1)
863 printk(KERN_INFO
864 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
865
866 if (useinput)
867 sonypi_report_input_event(event);
868
869 #ifdef CONFIG_ACPI
870 if (sonypi_acpi_device)
871 acpi_bus_generate_event(sonypi_acpi_device, 1, event);
872 #endif
873
874 kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
875 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
876 wake_up_interruptible(&sonypi_device.fifo_proc_list);
877
878 return IRQ_HANDLED;
879 }
880
881 /* External camera command (exported to the motion eye v4l driver) */
882 int sonypi_camera_command(int command, u8 value)
883 {
884 if (!camera)
885 return -EIO;
886
887 down(&sonypi_device.lock);
888
889 switch (command) {
890 case SONYPI_COMMAND_SETCAMERA:
891 if (value)
892 sonypi_camera_on();
893 else
894 sonypi_camera_off();
895 break;
896 case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
897 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
898 break;
899 case SONYPI_COMMAND_SETCAMERACONTRAST:
900 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
901 break;
902 case SONYPI_COMMAND_SETCAMERAHUE:
903 sonypi_set(SONYPI_CAMERA_HUE, value);
904 break;
905 case SONYPI_COMMAND_SETCAMERACOLOR:
906 sonypi_set(SONYPI_CAMERA_COLOR, value);
907 break;
908 case SONYPI_COMMAND_SETCAMERASHARPNESS:
909 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
910 break;
911 case SONYPI_COMMAND_SETCAMERAPICTURE:
912 sonypi_set(SONYPI_CAMERA_PICTURE, value);
913 break;
914 case SONYPI_COMMAND_SETCAMERAAGC:
915 sonypi_set(SONYPI_CAMERA_AGC, value);
916 break;
917 default:
918 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
919 command);
920 break;
921 }
922 up(&sonypi_device.lock);
923 return 0;
924 }
925
926 EXPORT_SYMBOL(sonypi_camera_command);
927
928 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
929 {
930 int retval;
931
932 retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
933 if (retval < 0)
934 return retval;
935 return 0;
936 }
937
938 static int sonypi_misc_release(struct inode *inode, struct file *file)
939 {
940 sonypi_misc_fasync(-1, file, 0);
941 down(&sonypi_device.lock);
942 sonypi_device.open_count--;
943 up(&sonypi_device.lock);
944 return 0;
945 }
946
947 static int sonypi_misc_open(struct inode *inode, struct file *file)
948 {
949 down(&sonypi_device.lock);
950 /* Flush input queue on first open */
951 if (!sonypi_device.open_count)
952 kfifo_reset(sonypi_device.fifo);
953 sonypi_device.open_count++;
954 up(&sonypi_device.lock);
955 return 0;
956 }
957
958 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
959 size_t count, loff_t *pos)
960 {
961 ssize_t ret;
962 unsigned char c;
963
964 if ((kfifo_len(sonypi_device.fifo) == 0) &&
965 (file->f_flags & O_NONBLOCK))
966 return -EAGAIN;
967
968 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
969 kfifo_len(sonypi_device.fifo) != 0);
970 if (ret)
971 return ret;
972
973 while (ret < count &&
974 (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
975 if (put_user(c, buf++))
976 return -EFAULT;
977 ret++;
978 }
979
980 if (ret > 0) {
981 struct inode *inode = file->f_path.dentry->d_inode;
982 inode->i_atime = current_fs_time(inode->i_sb);
983 }
984
985 return ret;
986 }
987
988 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
989 {
990 poll_wait(file, &sonypi_device.fifo_proc_list, wait);
991 if (kfifo_len(sonypi_device.fifo))
992 return POLLIN | POLLRDNORM;
993 return 0;
994 }
995
996 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
997 unsigned int cmd, unsigned long arg)
998 {
999 int ret = 0;
1000 void __user *argp = (void __user *)arg;
1001 u8 val8;
1002 u16 val16;
1003
1004 down(&sonypi_device.lock);
1005 switch (cmd) {
1006 case SONYPI_IOCGBRT:
1007 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1008 ret = -EIO;
1009 break;
1010 }
1011 if (copy_to_user(argp, &val8, sizeof(val8)))
1012 ret = -EFAULT;
1013 break;
1014 case SONYPI_IOCSBRT:
1015 if (copy_from_user(&val8, argp, sizeof(val8))) {
1016 ret = -EFAULT;
1017 break;
1018 }
1019 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1020 ret = -EIO;
1021 break;
1022 case SONYPI_IOCGBAT1CAP:
1023 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1024 ret = -EIO;
1025 break;
1026 }
1027 if (copy_to_user(argp, &val16, sizeof(val16)))
1028 ret = -EFAULT;
1029 break;
1030 case SONYPI_IOCGBAT1REM:
1031 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1032 ret = -EIO;
1033 break;
1034 }
1035 if (copy_to_user(argp, &val16, sizeof(val16)))
1036 ret = -EFAULT;
1037 break;
1038 case SONYPI_IOCGBAT2CAP:
1039 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1040 ret = -EIO;
1041 break;
1042 }
1043 if (copy_to_user(argp, &val16, sizeof(val16)))
1044 ret = -EFAULT;
1045 break;
1046 case SONYPI_IOCGBAT2REM:
1047 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1048 ret = -EIO;
1049 break;
1050 }
1051 if (copy_to_user(argp, &val16, sizeof(val16)))
1052 ret = -EFAULT;
1053 break;
1054 case SONYPI_IOCGBATFLAGS:
1055 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1056 ret = -EIO;
1057 break;
1058 }
1059 val8 &= 0x07;
1060 if (copy_to_user(argp, &val8, sizeof(val8)))
1061 ret = -EFAULT;
1062 break;
1063 case SONYPI_IOCGBLUE:
1064 val8 = sonypi_device.bluetooth_power;
1065 if (copy_to_user(argp, &val8, sizeof(val8)))
1066 ret = -EFAULT;
1067 break;
1068 case SONYPI_IOCSBLUE:
1069 if (copy_from_user(&val8, argp, sizeof(val8))) {
1070 ret = -EFAULT;
1071 break;
1072 }
1073 sonypi_setbluetoothpower(val8);
1074 break;
1075 /* FAN Controls */
1076 case SONYPI_IOCGFAN:
1077 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1078 ret = -EIO;
1079 break;
1080 }
1081 if (copy_to_user(argp, &val8, sizeof(val8)))
1082 ret = -EFAULT;
1083 break;
1084 case SONYPI_IOCSFAN:
1085 if (copy_from_user(&val8, argp, sizeof(val8))) {
1086 ret = -EFAULT;
1087 break;
1088 }
1089 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1090 ret = -EIO;
1091 break;
1092 /* GET Temperature (useful under APM) */
1093 case SONYPI_IOCGTEMP:
1094 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1095 ret = -EIO;
1096 break;
1097 }
1098 if (copy_to_user(argp, &val8, sizeof(val8)))
1099 ret = -EFAULT;
1100 break;
1101 default:
1102 ret = -EINVAL;
1103 }
1104 up(&sonypi_device.lock);
1105 return ret;
1106 }
1107
1108 static const struct file_operations sonypi_misc_fops = {
1109 .owner = THIS_MODULE,
1110 .read = sonypi_misc_read,
1111 .poll = sonypi_misc_poll,
1112 .open = sonypi_misc_open,
1113 .release = sonypi_misc_release,
1114 .fasync = sonypi_misc_fasync,
1115 .ioctl = sonypi_misc_ioctl,
1116 };
1117
1118 static struct miscdevice sonypi_misc_device = {
1119 .minor = MISC_DYNAMIC_MINOR,
1120 .name = "sonypi",
1121 .fops = &sonypi_misc_fops,
1122 };
1123
1124 static void sonypi_enable(unsigned int camera_on)
1125 {
1126 switch (sonypi_device.model) {
1127 case SONYPI_DEVICE_MODEL_TYPE1:
1128 sonypi_type1_srs();
1129 break;
1130 case SONYPI_DEVICE_MODEL_TYPE2:
1131 sonypi_type2_srs();
1132 break;
1133 case SONYPI_DEVICE_MODEL_TYPE3:
1134 sonypi_type3_srs();
1135 break;
1136 }
1137
1138 sonypi_call1(0x82);
1139 sonypi_call2(0x81, 0xff);
1140 sonypi_call1(compat ? 0x92 : 0x82);
1141
1142 /* Enable ACPI mode to get Fn key events */
1143 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1144 outb(0xf0, 0xb2);
1145
1146 if (camera && camera_on)
1147 sonypi_camera_on();
1148 }
1149
1150 static int sonypi_disable(void)
1151 {
1152 sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1153 if (camera)
1154 sonypi_camera_off();
1155
1156 /* disable ACPI mode */
1157 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1158 outb(0xf1, 0xb2);
1159
1160 switch (sonypi_device.model) {
1161 case SONYPI_DEVICE_MODEL_TYPE1:
1162 sonypi_type1_dis();
1163 break;
1164 case SONYPI_DEVICE_MODEL_TYPE2:
1165 sonypi_type2_dis();
1166 break;
1167 case SONYPI_DEVICE_MODEL_TYPE3:
1168 sonypi_type3_dis();
1169 break;
1170 }
1171
1172 return 0;
1173 }
1174
1175 #ifdef CONFIG_ACPI
1176 static int sonypi_acpi_add(struct acpi_device *device)
1177 {
1178 sonypi_acpi_device = device;
1179 strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1180 strcpy(acpi_device_class(device), "sony/hotkey");
1181 return 0;
1182 }
1183
1184 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1185 {
1186 sonypi_acpi_device = NULL;
1187 return 0;
1188 }
1189
1190 static struct acpi_driver sonypi_acpi_driver = {
1191 .name = "sonypi",
1192 .class = "hkey",
1193 .ids = "SNY6001",
1194 .ops = {
1195 .add = sonypi_acpi_add,
1196 .remove = sonypi_acpi_remove,
1197 },
1198 };
1199 #endif
1200
1201 static int __devinit sonypi_create_input_devices(void)
1202 {
1203 struct input_dev *jog_dev;
1204 struct input_dev *key_dev;
1205 int i;
1206 int error;
1207
1208 sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1209 if (!jog_dev)
1210 return -ENOMEM;
1211
1212 jog_dev->name = "Sony Vaio Jogdial";
1213 jog_dev->id.bustype = BUS_ISA;
1214 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1215
1216 jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1217 jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1218 jog_dev->relbit[0] = BIT(REL_WHEEL);
1219
1220 sonypi_device.input_key_dev = key_dev = input_allocate_device();
1221 if (!key_dev) {
1222 error = -ENOMEM;
1223 goto err_free_jogdev;
1224 }
1225
1226 key_dev->name = "Sony Vaio Keys";
1227 key_dev->id.bustype = BUS_ISA;
1228 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1229
1230 /* Initialize the Input Drivers: special keys */
1231 key_dev->evbit[0] = BIT(EV_KEY);
1232 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1233 if (sonypi_inputkeys[i].inputev)
1234 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1235
1236 error = input_register_device(jog_dev);
1237 if (error)
1238 goto err_free_keydev;
1239
1240 error = input_register_device(key_dev);
1241 if (error)
1242 goto err_unregister_jogdev;
1243
1244 return 0;
1245
1246 err_unregister_jogdev:
1247 input_unregister_device(jog_dev);
1248 /* Set to NULL so we don't free it again below */
1249 jog_dev = NULL;
1250 err_free_keydev:
1251 input_free_device(key_dev);
1252 sonypi_device.input_key_dev = NULL;
1253 err_free_jogdev:
1254 input_free_device(jog_dev);
1255 sonypi_device.input_jog_dev = NULL;
1256
1257 return error;
1258 }
1259
1260 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1261 const struct sonypi_ioport_list *ioport_list)
1262 {
1263 while (ioport_list->port1) {
1264
1265 if (request_region(ioport_list->port1,
1266 sonypi_device.region_size,
1267 "Sony Programable I/O Device")) {
1268 dev->ioport1 = ioport_list->port1;
1269 dev->ioport2 = ioport_list->port2;
1270 return 0;
1271 }
1272 ioport_list++;
1273 }
1274
1275 return -EBUSY;
1276 }
1277
1278 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1279 const struct sonypi_irq_list *irq_list)
1280 {
1281 while (irq_list->irq) {
1282
1283 if (!request_irq(irq_list->irq, sonypi_irq,
1284 IRQF_SHARED, "sonypi", sonypi_irq)) {
1285 dev->irq = irq_list->irq;
1286 dev->bits = irq_list->bits;
1287 return 0;
1288 }
1289 irq_list++;
1290 }
1291
1292 return -EBUSY;
1293 }
1294
1295 static void __devinit sonypi_display_info(void)
1296 {
1297 printk(KERN_INFO "sonypi: detected type%d model, "
1298 "verbose = %d, fnkeyinit = %s, camera = %s, "
1299 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1300 sonypi_device.model,
1301 verbose,
1302 fnkeyinit ? "on" : "off",
1303 camera ? "on" : "off",
1304 compat ? "on" : "off",
1305 mask,
1306 useinput ? "on" : "off",
1307 SONYPI_ACPI_ACTIVE ? "on" : "off");
1308 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1309 sonypi_device.irq,
1310 sonypi_device.ioport1, sonypi_device.ioport2);
1311
1312 if (minor == -1)
1313 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1314 sonypi_misc_device.minor);
1315 }
1316
1317 static int __devinit sonypi_probe(struct platform_device *dev)
1318 {
1319 const struct sonypi_ioport_list *ioport_list;
1320 const struct sonypi_irq_list *irq_list;
1321 struct pci_dev *pcidev;
1322 int error;
1323
1324 spin_lock_init(&sonypi_device.fifo_lock);
1325 sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1326 &sonypi_device.fifo_lock);
1327 if (IS_ERR(sonypi_device.fifo)) {
1328 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1329 return PTR_ERR(sonypi_device.fifo);
1330 }
1331
1332 init_waitqueue_head(&sonypi_device.fifo_proc_list);
1333 init_MUTEX(&sonypi_device.lock);
1334 sonypi_device.bluetooth_power = -1;
1335
1336 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1337 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1338 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1339 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1340 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1341 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1342 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1343 PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1344 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1345 else
1346 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1347
1348 if (pcidev && pci_enable_device(pcidev)) {
1349 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1350 error = -EIO;
1351 goto err_put_pcidev;
1352 }
1353
1354 sonypi_device.dev = pcidev;
1355
1356 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1357 ioport_list = sonypi_type1_ioport_list;
1358 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1359 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1360 irq_list = sonypi_type1_irq_list;
1361 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1362 ioport_list = sonypi_type2_ioport_list;
1363 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1364 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1365 irq_list = sonypi_type2_irq_list;
1366 } else {
1367 ioport_list = sonypi_type3_ioport_list;
1368 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1369 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1370 irq_list = sonypi_type3_irq_list;
1371 }
1372
1373 error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1374 if (error) {
1375 printk(KERN_ERR "sonypi: failed to request ioports\n");
1376 goto err_disable_pcidev;
1377 }
1378
1379 error = sonypi_setup_irq(&sonypi_device, irq_list);
1380 if (error) {
1381 printk(KERN_ERR "sonypi: request_irq failed\n");
1382 goto err_free_ioports;
1383 }
1384
1385 if (minor != -1)
1386 sonypi_misc_device.minor = minor;
1387 error = misc_register(&sonypi_misc_device);
1388 if (error) {
1389 printk(KERN_ERR "sonypi: misc_register failed\n");
1390 goto err_free_irq;
1391 }
1392
1393 sonypi_display_info();
1394
1395 if (useinput) {
1396
1397 error = sonypi_create_input_devices();
1398 if (error) {
1399 printk(KERN_ERR
1400 "sonypi: failed to create input devices\n");
1401 goto err_miscdev_unregister;
1402 }
1403
1404 spin_lock_init(&sonypi_device.input_fifo_lock);
1405 sonypi_device.input_fifo =
1406 kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1407 &sonypi_device.input_fifo_lock);
1408 if (IS_ERR(sonypi_device.input_fifo)) {
1409 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1410 error = PTR_ERR(sonypi_device.input_fifo);
1411 goto err_inpdev_unregister;
1412 }
1413
1414 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1415 }
1416
1417 sonypi_enable(0);
1418
1419 return 0;
1420
1421 err_inpdev_unregister:
1422 input_unregister_device(sonypi_device.input_key_dev);
1423 input_unregister_device(sonypi_device.input_jog_dev);
1424 err_miscdev_unregister:
1425 misc_deregister(&sonypi_misc_device);
1426 err_free_irq:
1427 free_irq(sonypi_device.irq, sonypi_irq);
1428 err_free_ioports:
1429 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1430 err_disable_pcidev:
1431 if (pcidev)
1432 pci_disable_device(pcidev);
1433 err_put_pcidev:
1434 pci_dev_put(pcidev);
1435 kfifo_free(sonypi_device.fifo);
1436
1437 return error;
1438 }
1439
1440 static int __devexit sonypi_remove(struct platform_device *dev)
1441 {
1442 sonypi_disable();
1443
1444 synchronize_sched(); /* Allow sonypi interrupt to complete. */
1445 flush_scheduled_work();
1446
1447 if (useinput) {
1448 input_unregister_device(sonypi_device.input_key_dev);
1449 input_unregister_device(sonypi_device.input_jog_dev);
1450 kfifo_free(sonypi_device.input_fifo);
1451 }
1452
1453 misc_deregister(&sonypi_misc_device);
1454
1455 free_irq(sonypi_device.irq, sonypi_irq);
1456 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1457
1458 if (sonypi_device.dev) {
1459 pci_disable_device(sonypi_device.dev);
1460 pci_dev_put(sonypi_device.dev);
1461 }
1462
1463 kfifo_free(sonypi_device.fifo);
1464
1465 return 0;
1466 }
1467
1468 #ifdef CONFIG_PM
1469 static int old_camera_power;
1470
1471 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1472 {
1473 old_camera_power = sonypi_device.camera_power;
1474 sonypi_disable();
1475
1476 return 0;
1477 }
1478
1479 static int sonypi_resume(struct platform_device *dev)
1480 {
1481 sonypi_enable(old_camera_power);
1482 return 0;
1483 }
1484 #else
1485 #define sonypi_suspend NULL
1486 #define sonypi_resume NULL
1487 #endif
1488
1489 static void sonypi_shutdown(struct platform_device *dev)
1490 {
1491 sonypi_disable();
1492 }
1493
1494 static struct platform_driver sonypi_driver = {
1495 .driver = {
1496 .name = "sonypi",
1497 .owner = THIS_MODULE,
1498 },
1499 .probe = sonypi_probe,
1500 .remove = __devexit_p(sonypi_remove),
1501 .shutdown = sonypi_shutdown,
1502 .suspend = sonypi_suspend,
1503 .resume = sonypi_resume,
1504 };
1505
1506 static struct platform_device *sonypi_platform_device;
1507
1508 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1509 {
1510 .ident = "Sony Vaio",
1511 .matches = {
1512 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1513 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1514 },
1515 },
1516 {
1517 .ident = "Sony Vaio",
1518 .matches = {
1519 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1520 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1521 },
1522 },
1523 { }
1524 };
1525
1526 static int __init sonypi_init(void)
1527 {
1528 int error;
1529
1530 printk(KERN_INFO
1531 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1532 SONYPI_DRIVER_VERSION);
1533
1534 if (!dmi_check_system(sonypi_dmi_table))
1535 return -ENODEV;
1536
1537 error = platform_driver_register(&sonypi_driver);
1538 if (error)
1539 return error;
1540
1541 sonypi_platform_device = platform_device_alloc("sonypi", -1);
1542 if (!sonypi_platform_device) {
1543 error = -ENOMEM;
1544 goto err_driver_unregister;
1545 }
1546
1547 error = platform_device_add(sonypi_platform_device);
1548 if (error)
1549 goto err_free_device;
1550
1551 #ifdef CONFIG_ACPI
1552 if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1553 acpi_driver_registered = 1;
1554 #endif
1555
1556 return 0;
1557
1558 err_free_device:
1559 platform_device_put(sonypi_platform_device);
1560 err_driver_unregister:
1561 platform_driver_unregister(&sonypi_driver);
1562 return error;
1563 }
1564
1565 static void __exit sonypi_exit(void)
1566 {
1567 #ifdef CONFIG_ACPI
1568 if (acpi_driver_registered)
1569 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1570 #endif
1571 platform_device_unregister(sonypi_platform_device);
1572 platform_driver_unregister(&sonypi_driver);
1573 printk(KERN_INFO "sonypi: removed.\n");
1574 }
1575
1576 module_init(sonypi_init);
1577 module_exit(sonypi_exit);
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