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Linux 2.6.22-rc3
[linux-2.6/next.git] / drivers / char / sonypi.c
blob3ef593a9015f1d298348cc44040000182ef7b63e
1 /*
2 * Sony Programmable I/O Control Device driver for VAIO
3 *
4 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
5 *
6 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
7 *
8 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
9 *
10 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
11 *
12 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
13 *
14 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
15 *
16 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
17 *
18 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
19 *
20 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
21 *
22 * This program is free software; you can redistribute it and/or modify
23 * it under the terms of the GNU General Public License as published by
24 * the Free Software Foundation; either version 2 of the License, or
25 * (at your option) any later version.
26 *
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU General Public License for more details.
31 *
32 * You should have received a copy of the GNU General Public License
33 * along with this program; if not, write to the Free Software
34 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
35 *
36 */
37
38 #include <linux/module.h>
39 #include <linux/input.h>
40 #include <linux/pci.h>
41 #include <linux/init.h>
42 #include <linux/interrupt.h>
43 #include <linux/miscdevice.h>
44 #include <linux/poll.h>
45 #include <linux/delay.h>
46 #include <linux/wait.h>
47 #include <linux/acpi.h>
48 #include <linux/dmi.h>
49 #include <linux/err.h>
50 #include <linux/kfifo.h>
51 #include <linux/platform_device.h>
52
53 #include <asm/uaccess.h>
54 #include <asm/io.h>
55 #include <asm/system.h>
56
57 #include <linux/sonypi.h>
58
59 #define SONYPI_DRIVER_VERSION "1.26"
60
61 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
62 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
63 MODULE_LICENSE("GPL");
64 MODULE_VERSION(SONYPI_DRIVER_VERSION);
65
66 static int minor = -1;
67 module_param(minor, int, 0);
68 MODULE_PARM_DESC(minor,
69 "minor number of the misc device, default is -1 (automatic)");
70
71 static int verbose; /* = 0 */
72 module_param(verbose, int, 0644);
73 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
74
75 static int fnkeyinit; /* = 0 */
76 module_param(fnkeyinit, int, 0444);
77 MODULE_PARM_DESC(fnkeyinit,
78 "set this if your Fn keys do not generate any event");
79
80 static int camera; /* = 0 */
81 module_param(camera, int, 0444);
82 MODULE_PARM_DESC(camera,
83 "set this if you have a MotionEye camera (PictureBook series)");
84
85 static int compat; /* = 0 */
86 module_param(compat, int, 0444);
87 MODULE_PARM_DESC(compat,
88 "set this if you want to enable backward compatibility mode");
89
90 static unsigned long mask = 0xffffffff;
91 module_param(mask, ulong, 0644);
92 MODULE_PARM_DESC(mask,
93 "set this to the mask of event you want to enable (see doc)");
94
95 static int useinput = 1;
96 module_param(useinput, int, 0444);
97 MODULE_PARM_DESC(useinput,
98 "set this if you would like sonypi to feed events to the input subsystem");
99
100 static int check_ioport = 1;
101 module_param(check_ioport, int, 0444);
102 MODULE_PARM_DESC(check_ioport,
103 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
104
105 #define SONYPI_DEVICE_MODEL_TYPE1 1
106 #define SONYPI_DEVICE_MODEL_TYPE2 2
107 #define SONYPI_DEVICE_MODEL_TYPE3 3
108
109 /* type1 models use those */
110 #define SONYPI_IRQ_PORT 0x8034
111 #define SONYPI_IRQ_SHIFT 22
112 #define SONYPI_TYPE1_BASE 0x50
113 #define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
114 #define SONYPI_TYPE1_REGION_SIZE 0x08
115 #define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
116
117 /* type2 series specifics */
118 #define SONYPI_SIRQ 0x9b
119 #define SONYPI_SLOB 0x9c
120 #define SONYPI_SHIB 0x9d
121 #define SONYPI_TYPE2_REGION_SIZE 0x20
122 #define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
123
124 /* type3 series specifics */
125 #define SONYPI_TYPE3_BASE 0x40
126 #define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
127 #define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
128 #define SONYPI_TYPE3_REGION_SIZE 0x20
129 #define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
130
131 /* battery / brightness addresses */
132 #define SONYPI_BAT_FLAGS 0x81
133 #define SONYPI_LCD_LIGHT 0x96
134 #define SONYPI_BAT1_PCTRM 0xa0
135 #define SONYPI_BAT1_LEFT 0xa2
136 #define SONYPI_BAT1_MAXRT 0xa4
137 #define SONYPI_BAT2_PCTRM 0xa8
138 #define SONYPI_BAT2_LEFT 0xaa
139 #define SONYPI_BAT2_MAXRT 0xac
140 #define SONYPI_BAT1_MAXTK 0xb0
141 #define SONYPI_BAT1_FULL 0xb2
142 #define SONYPI_BAT2_MAXTK 0xb8
143 #define SONYPI_BAT2_FULL 0xba
144
145 /* FAN0 information (reverse engineered from ACPI tables) */
146 #define SONYPI_FAN0_STATUS 0x93
147 #define SONYPI_TEMP_STATUS 0xC1
148
149 /* ioports used for brightness and type2 events */
150 #define SONYPI_DATA_IOPORT 0x62
151 #define SONYPI_CST_IOPORT 0x66
152
153 /* The set of possible ioports */
154 struct sonypi_ioport_list {
155 u16 port1;
156 u16 port2;
157 };
158
159 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
160 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
161 { 0x1080, 0x1084 },
162 { 0x1090, 0x1094 },
163 { 0x10a0, 0x10a4 },
164 { 0x10b0, 0x10b4 },
165 { 0x0, 0x0 }
166 };
167
168 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
169 { 0x1080, 0x1084 },
170 { 0x10a0, 0x10a4 },
171 { 0x10c0, 0x10c4 },
172 { 0x10e0, 0x10e4 },
173 { 0x0, 0x0 }
174 };
175
176 /* same as in type 2 models */
177 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
178 sonypi_type2_ioport_list;
179
180 /* The set of possible interrupts */
181 struct sonypi_irq_list {
182 u16 irq;
183 u16 bits;
184 };
185
186 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
187 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
188 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
189 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
190 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
191 };
192
193 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
194 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
195 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
196 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
197 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
198 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
199 };
200
201 /* same as in type2 models */
202 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
203
204 #define SONYPI_CAMERA_BRIGHTNESS 0
205 #define SONYPI_CAMERA_CONTRAST 1
206 #define SONYPI_CAMERA_HUE 2
207 #define SONYPI_CAMERA_COLOR 3
208 #define SONYPI_CAMERA_SHARPNESS 4
209
210 #define SONYPI_CAMERA_PICTURE 5
211 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
212 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
213 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
214 #define SONYPI_CAMERA_MUTE_MASK 0x40
215
216 /* the rest don't need a loop until not 0xff */
217 #define SONYPI_CAMERA_AGC 6
218 #define SONYPI_CAMERA_AGC_MASK 0x30
219 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
220
221 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
222 #define SONYPI_CAMERA_CONTROL 0x10
223
224 #define SONYPI_CAMERA_STATUS 7
225 #define SONYPI_CAMERA_STATUS_READY 0x2
226 #define SONYPI_CAMERA_STATUS_POSITION 0x4
227
228 #define SONYPI_DIRECTION_BACKWARDS 0x4
229
230 #define SONYPI_CAMERA_REVISION 8
231 #define SONYPI_CAMERA_ROMVERSION 9
232
233 /* Event masks */
234 #define SONYPI_JOGGER_MASK 0x00000001
235 #define SONYPI_CAPTURE_MASK 0x00000002
236 #define SONYPI_FNKEY_MASK 0x00000004
237 #define SONYPI_BLUETOOTH_MASK 0x00000008
238 #define SONYPI_PKEY_MASK 0x00000010
239 #define SONYPI_BACK_MASK 0x00000020
240 #define SONYPI_HELP_MASK 0x00000040
241 #define SONYPI_LID_MASK 0x00000080
242 #define SONYPI_ZOOM_MASK 0x00000100
243 #define SONYPI_THUMBPHRASE_MASK 0x00000200
244 #define SONYPI_MEYE_MASK 0x00000400
245 #define SONYPI_MEMORYSTICK_MASK 0x00000800
246 #define SONYPI_BATTERY_MASK 0x00001000
247 #define SONYPI_WIRELESS_MASK 0x00002000
248
249 struct sonypi_event {
250 u8 data;
251 u8 event;
252 };
253
254 /* The set of possible button release events */
255 static struct sonypi_event sonypi_releaseev[] = {
256 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
257 { 0, 0 }
258 };
259
260 /* The set of possible jogger events */
261 static struct sonypi_event sonypi_joggerev[] = {
262 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
263 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
264 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
265 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
266 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
267 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
268 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
269 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
270 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
271 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
272 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
273 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
274 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
275 { 0, 0 }
276 };
277
278 /* The set of possible capture button events */
279 static struct sonypi_event sonypi_captureev[] = {
280 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
281 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
282 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
283 { 0, 0 }
284 };
285
286 /* The set of possible fnkeys events */
287 static struct sonypi_event sonypi_fnkeyev[] = {
288 { 0x10, SONYPI_EVENT_FNKEY_ESC },
289 { 0x11, SONYPI_EVENT_FNKEY_F1 },
290 { 0x12, SONYPI_EVENT_FNKEY_F2 },
291 { 0x13, SONYPI_EVENT_FNKEY_F3 },
292 { 0x14, SONYPI_EVENT_FNKEY_F4 },
293 { 0x15, SONYPI_EVENT_FNKEY_F5 },
294 { 0x16, SONYPI_EVENT_FNKEY_F6 },
295 { 0x17, SONYPI_EVENT_FNKEY_F7 },
296 { 0x18, SONYPI_EVENT_FNKEY_F8 },
297 { 0x19, SONYPI_EVENT_FNKEY_F9 },
298 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
299 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
300 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
301 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
302 { 0x21, SONYPI_EVENT_FNKEY_1 },
303 { 0x22, SONYPI_EVENT_FNKEY_2 },
304 { 0x31, SONYPI_EVENT_FNKEY_D },
305 { 0x32, SONYPI_EVENT_FNKEY_E },
306 { 0x33, SONYPI_EVENT_FNKEY_F },
307 { 0x34, SONYPI_EVENT_FNKEY_S },
308 { 0x35, SONYPI_EVENT_FNKEY_B },
309 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
310 { 0, 0 }
311 };
312
313 /* The set of possible program key events */
314 static struct sonypi_event sonypi_pkeyev[] = {
315 { 0x01, SONYPI_EVENT_PKEY_P1 },
316 { 0x02, SONYPI_EVENT_PKEY_P2 },
317 { 0x04, SONYPI_EVENT_PKEY_P3 },
318 { 0x5c, SONYPI_EVENT_PKEY_P1 },
319 { 0, 0 }
320 };
321
322 /* The set of possible bluetooth events */
323 static struct sonypi_event sonypi_blueev[] = {
324 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
325 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
326 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
327 { 0, 0 }
328 };
329
330 /* The set of possible wireless events */
331 static struct sonypi_event sonypi_wlessev[] = {
332 { 0x59, SONYPI_EVENT_WIRELESS_ON },
333 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
334 { 0, 0 }
335 };
336
337 /* The set of possible back button events */
338 static struct sonypi_event sonypi_backev[] = {
339 { 0x20, SONYPI_EVENT_BACK_PRESSED },
340 { 0, 0 }
341 };
342
343 /* The set of possible help button events */
344 static struct sonypi_event sonypi_helpev[] = {
345 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
346 { 0, 0 }
347 };
348
349
350 /* The set of possible lid events */
351 static struct sonypi_event sonypi_lidev[] = {
352 { 0x51, SONYPI_EVENT_LID_CLOSED },
353 { 0x50, SONYPI_EVENT_LID_OPENED },
354 { 0, 0 }
355 };
356
357 /* The set of possible zoom events */
358 static struct sonypi_event sonypi_zoomev[] = {
359 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
360 { 0, 0 }
361 };
362
363 /* The set of possible thumbphrase events */
364 static struct sonypi_event sonypi_thumbphraseev[] = {
365 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
366 { 0, 0 }
367 };
368
369 /* The set of possible motioneye camera events */
370 static struct sonypi_event sonypi_meyeev[] = {
371 { 0x00, SONYPI_EVENT_MEYE_FACE },
372 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
373 { 0, 0 }
374 };
375
376 /* The set of possible memorystick events */
377 static struct sonypi_event sonypi_memorystickev[] = {
378 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
379 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
380 { 0, 0 }
381 };
382
383 /* The set of possible battery events */
384 static struct sonypi_event sonypi_batteryev[] = {
385 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
386 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
387 { 0, 0 }
388 };
389
390 static struct sonypi_eventtypes {
391 int model;
392 u8 data;
393 unsigned long mask;
394 struct sonypi_event * events;
395 } sonypi_eventtypes[] = {
396 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
397 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
398 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
399 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
400 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
401 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
402 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
403 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
404 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
405 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
406
407 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
408 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
409 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
410 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
411 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
412 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
413 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
414 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
415 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
416 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
417 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
418 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
419 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
420 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
421
422 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
423 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
424 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
425 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
426 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
427 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
428 { 0 }
429 };
430
431 #define SONYPI_BUF_SIZE 128
432
433 /* Correspondance table between sonypi events and input layer events */
434 static struct {
435 int sonypiev;
436 int inputev;
437 } sonypi_inputkeys[] = {
438 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
439 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
440 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
441 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
442 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
443 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
444 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
445 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
446 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
447 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
448 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
449 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
450 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
451 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
452 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
453 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
454 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
455 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
456 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
457 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
458 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
459 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
460 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
461 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
462 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
463 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
464 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
465 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
466 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
467 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
468 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
469 { 0, 0 },
470 };
471
472 struct sonypi_keypress {
473 struct input_dev *dev;
474 int key;
475 };
476
477 static struct sonypi_device {
478 struct pci_dev *dev;
479 u16 irq;
480 u16 bits;
481 u16 ioport1;
482 u16 ioport2;
483 u16 region_size;
484 u16 evtype_offset;
485 int camera_power;
486 int bluetooth_power;
487 struct mutex lock;
488 struct kfifo *fifo;
489 spinlock_t fifo_lock;
490 wait_queue_head_t fifo_proc_list;
491 struct fasync_struct *fifo_async;
492 int open_count;
493 int model;
494 struct input_dev *input_jog_dev;
495 struct input_dev *input_key_dev;
496 struct work_struct input_work;
497 struct kfifo *input_fifo;
498 spinlock_t input_fifo_lock;
499 } sonypi_device;
500
501 #define ITERATIONS_LONG 10000
502 #define ITERATIONS_SHORT 10
503
504 #define wait_on_command(quiet, command, iterations) { \
505 unsigned int n = iterations; \
506 while (--n && (command)) \
507 udelay(1); \
508 if (!n && (verbose || !quiet)) \
509 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
510 }
511
512 #ifdef CONFIG_ACPI
513 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
514 #else
515 #define SONYPI_ACPI_ACTIVE 0
516 #endif /* CONFIG_ACPI */
517
518 #ifdef CONFIG_ACPI
519 static struct acpi_device *sonypi_acpi_device;
520 static int acpi_driver_registered;
521 #endif
522
523 static int sonypi_ec_write(u8 addr, u8 value)
524 {
525 #ifdef CONFIG_ACPI_EC
526 if (SONYPI_ACPI_ACTIVE)
527 return ec_write(addr, value);
528 #endif
529 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
530 outb_p(0x81, SONYPI_CST_IOPORT);
531 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
532 outb_p(addr, SONYPI_DATA_IOPORT);
533 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
534 outb_p(value, SONYPI_DATA_IOPORT);
535 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
536 return 0;
537 }
538
539 static int sonypi_ec_read(u8 addr, u8 *value)
540 {
541 #ifdef CONFIG_ACPI_EC
542 if (SONYPI_ACPI_ACTIVE)
543 return ec_read(addr, value);
544 #endif
545 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
546 outb_p(0x80, SONYPI_CST_IOPORT);
547 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
548 outb_p(addr, SONYPI_DATA_IOPORT);
549 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
550 *value = inb_p(SONYPI_DATA_IOPORT);
551 return 0;
552 }
553
554 static int ec_read16(u8 addr, u16 *value)
555 {
556 u8 val_lb, val_hb;
557 if (sonypi_ec_read(addr, &val_lb))
558 return -1;
559 if (sonypi_ec_read(addr + 1, &val_hb))
560 return -1;
561 *value = val_lb | (val_hb << 8);
562 return 0;
563 }
564
565 /* Initializes the device - this comes from the AML code in the ACPI bios */
566 static void sonypi_type1_srs(void)
567 {
568 u32 v;
569
570 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
571 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
572 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
573
574 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
575 v = (v & 0xFFF0FFFF) |
576 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
577 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
578
579 v = inl(SONYPI_IRQ_PORT);
580 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
581 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
582 outl(v, SONYPI_IRQ_PORT);
583
584 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
585 v = (v & 0xFF1FFFFF) | 0x00C00000;
586 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
587 }
588
589 static void sonypi_type2_srs(void)
590 {
591 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
592 printk(KERN_WARNING "ec_write failed\n");
593 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
594 printk(KERN_WARNING "ec_write failed\n");
595 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
596 printk(KERN_WARNING "ec_write failed\n");
597 udelay(10);
598 }
599
600 static void sonypi_type3_srs(void)
601 {
602 u16 v16;
603 u8 v8;
604
605 /* This model type uses the same initialiazation of
606 * the embedded controller as the type2 models. */
607 sonypi_type2_srs();
608
609 /* Initialization of PCI config space of the LPC interface bridge. */
610 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
611 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
612 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
613 v8 = (v8 & 0xCF) | 0x10;
614 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
615 }
616
617 /* Disables the device - this comes from the AML code in the ACPI bios */
618 static void sonypi_type1_dis(void)
619 {
620 u32 v;
621
622 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
623 v = v & 0xFF3FFFFF;
624 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
625
626 v = inl(SONYPI_IRQ_PORT);
627 v |= (0x3 << SONYPI_IRQ_SHIFT);
628 outl(v, SONYPI_IRQ_PORT);
629 }
630
631 static void sonypi_type2_dis(void)
632 {
633 if (sonypi_ec_write(SONYPI_SHIB, 0))
634 printk(KERN_WARNING "ec_write failed\n");
635 if (sonypi_ec_write(SONYPI_SLOB, 0))
636 printk(KERN_WARNING "ec_write failed\n");
637 if (sonypi_ec_write(SONYPI_SIRQ, 0))
638 printk(KERN_WARNING "ec_write failed\n");
639 }
640
641 static void sonypi_type3_dis(void)
642 {
643 sonypi_type2_dis();
644 udelay(10);
645 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
646 }
647
648 static u8 sonypi_call1(u8 dev)
649 {
650 u8 v1, v2;
651
652 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
653 outb(dev, sonypi_device.ioport2);
654 v1 = inb_p(sonypi_device.ioport2);
655 v2 = inb_p(sonypi_device.ioport1);
656 return v2;
657 }
658
659 static u8 sonypi_call2(u8 dev, u8 fn)
660 {
661 u8 v1;
662
663 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
664 outb(dev, sonypi_device.ioport2);
665 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
666 outb(fn, sonypi_device.ioport1);
667 v1 = inb_p(sonypi_device.ioport1);
668 return v1;
669 }
670
671 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
672 {
673 u8 v1;
674
675 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
676 outb(dev, sonypi_device.ioport2);
677 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
678 outb(fn, sonypi_device.ioport1);
679 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
680 outb(v, sonypi_device.ioport1);
681 v1 = inb_p(sonypi_device.ioport1);
682 return v1;
683 }
684
685 #if 0
686 /* Get brightness, hue etc. Unreliable... */
687 static u8 sonypi_read(u8 fn)
688 {
689 u8 v1, v2;
690 int n = 100;
691
692 while (n--) {
693 v1 = sonypi_call2(0x8f, fn);
694 v2 = sonypi_call2(0x8f, fn);
695 if (v1 == v2 && v1 != 0xff)
696 return v1;
697 }
698 return 0xff;
699 }
700 #endif
701
702 /* Set brightness, hue etc */
703 static void sonypi_set(u8 fn, u8 v)
704 {
705 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
706 }
707
708 /* Tests if the camera is ready */
709 static int sonypi_camera_ready(void)
710 {
711 u8 v;
712
713 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
714 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
715 }
716
717 /* Turns the camera off */
718 static void sonypi_camera_off(void)
719 {
720 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
721
722 if (!sonypi_device.camera_power)
723 return;
724
725 sonypi_call2(0x91, 0);
726 sonypi_device.camera_power = 0;
727 }
728
729 /* Turns the camera on */
730 static void sonypi_camera_on(void)
731 {
732 int i, j;
733
734 if (sonypi_device.camera_power)
735 return;
736
737 for (j = 5; j > 0; j--) {
738
739 while (sonypi_call2(0x91, 0x1))
740 msleep(10);
741 sonypi_call1(0x93);
742
743 for (i = 400; i > 0; i--) {
744 if (sonypi_camera_ready())
745 break;
746 msleep(10);
747 }
748 if (i)
749 break;
750 }
751
752 if (j == 0) {
753 printk(KERN_WARNING "sonypi: failed to power on camera\n");
754 return;
755 }
756
757 sonypi_set(0x10, 0x5a);
758 sonypi_device.camera_power = 1;
759 }
760
761 /* sets the bluetooth subsystem power state */
762 static void sonypi_setbluetoothpower(u8 state)
763 {
764 state = !!state;
765
766 if (sonypi_device.bluetooth_power == state)
767 return;
768
769 sonypi_call2(0x96, state);
770 sonypi_call1(0x82);
771 sonypi_device.bluetooth_power = state;
772 }
773
774 static void input_keyrelease(struct work_struct *work)
775 {
776 struct sonypi_keypress kp;
777
778 while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
779 sizeof(kp)) == sizeof(kp)) {
780 msleep(10);
781 input_report_key(kp.dev, kp.key, 0);
782 input_sync(kp.dev);
783 }
784 }
785
786 static void sonypi_report_input_event(u8 event)
787 {
788 struct input_dev *jog_dev = sonypi_device.input_jog_dev;
789 struct input_dev *key_dev = sonypi_device.input_key_dev;
790 struct sonypi_keypress kp = { NULL };
791 int i;
792
793 switch (event) {
794 case SONYPI_EVENT_JOGDIAL_UP:
795 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
796 input_report_rel(jog_dev, REL_WHEEL, 1);
797 input_sync(jog_dev);
798 break;
799
800 case SONYPI_EVENT_JOGDIAL_DOWN:
801 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
802 input_report_rel(jog_dev, REL_WHEEL, -1);
803 input_sync(jog_dev);
804 break;
805
806 case SONYPI_EVENT_JOGDIAL_PRESSED:
807 kp.key = BTN_MIDDLE;
808 kp.dev = jog_dev;
809 break;
810
811 case SONYPI_EVENT_FNKEY_RELEASED:
812 /* Nothing, not all VAIOs generate this event */
813 break;
814
815 default:
816 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
817 if (event == sonypi_inputkeys[i].sonypiev) {
818 kp.dev = key_dev;
819 kp.key = sonypi_inputkeys[i].inputev;
820 break;
821 }
822 break;
823 }
824
825 if (kp.dev) {
826 input_report_key(kp.dev, kp.key, 1);
827 input_sync(kp.dev);
828 kfifo_put(sonypi_device.input_fifo,
829 (unsigned char *)&kp, sizeof(kp));
830 schedule_work(&sonypi_device.input_work);
831 }
832 }
833
834 /* Interrupt handler: some event is available */
835 static irqreturn_t sonypi_irq(int irq, void *dev_id)
836 {
837 u8 v1, v2, event = 0;
838 int i, j;
839
840 v1 = inb_p(sonypi_device.ioport1);
841 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
842
843 for (i = 0; sonypi_eventtypes[i].model; i++) {
844 if (sonypi_device.model != sonypi_eventtypes[i].model)
845 continue;
846 if ((v2 & sonypi_eventtypes[i].data) !=
847 sonypi_eventtypes[i].data)
848 continue;
849 if (!(mask & sonypi_eventtypes[i].mask))
850 continue;
851 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
852 if (v1 == sonypi_eventtypes[i].events[j].data) {
853 event = sonypi_eventtypes[i].events[j].event;
854 goto found;
855 }
856 }
857 }
858
859 if (verbose)
860 printk(KERN_WARNING
861 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
862 v1, v2);
863 /* We need to return IRQ_HANDLED here because there *are*
864 * events belonging to the sonypi device we don't know about,
865 * but we still don't want those to pollute the logs... */
866 return IRQ_HANDLED;
867
868 found:
869 if (verbose > 1)
870 printk(KERN_INFO
871 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
872
873 if (useinput)
874 sonypi_report_input_event(event);
875
876 #ifdef CONFIG_ACPI
877 if (sonypi_acpi_device)
878 acpi_bus_generate_event(sonypi_acpi_device, 1, event);
879 #endif
880
881 kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
882 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
883 wake_up_interruptible(&sonypi_device.fifo_proc_list);
884
885 return IRQ_HANDLED;
886 }
887
888 /* External camera command (exported to the motion eye v4l driver) */
889 int sonypi_camera_command(int command, u8 value)
890 {
891 if (!camera)
892 return -EIO;
893
894 mutex_lock(&sonypi_device.lock);
895
896 switch (command) {
897 case SONYPI_COMMAND_SETCAMERA:
898 if (value)
899 sonypi_camera_on();
900 else
901 sonypi_camera_off();
902 break;
903 case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
904 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
905 break;
906 case SONYPI_COMMAND_SETCAMERACONTRAST:
907 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
908 break;
909 case SONYPI_COMMAND_SETCAMERAHUE:
910 sonypi_set(SONYPI_CAMERA_HUE, value);
911 break;
912 case SONYPI_COMMAND_SETCAMERACOLOR:
913 sonypi_set(SONYPI_CAMERA_COLOR, value);
914 break;
915 case SONYPI_COMMAND_SETCAMERASHARPNESS:
916 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
917 break;
918 case SONYPI_COMMAND_SETCAMERAPICTURE:
919 sonypi_set(SONYPI_CAMERA_PICTURE, value);
920 break;
921 case SONYPI_COMMAND_SETCAMERAAGC:
922 sonypi_set(SONYPI_CAMERA_AGC, value);
923 break;
924 default:
925 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
926 command);
927 break;
928 }
929 mutex_unlock(&sonypi_device.lock);
930 return 0;
931 }
932
933 EXPORT_SYMBOL(sonypi_camera_command);
934
935 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
936 {
937 int retval;
938
939 retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
940 if (retval < 0)
941 return retval;
942 return 0;
943 }
944
945 static int sonypi_misc_release(struct inode *inode, struct file *file)
946 {
947 sonypi_misc_fasync(-1, file, 0);
948 mutex_lock(&sonypi_device.lock);
949 sonypi_device.open_count--;
950 mutex_unlock(&sonypi_device.lock);
951 return 0;
952 }
953
954 static int sonypi_misc_open(struct inode *inode, struct file *file)
955 {
956 mutex_lock(&sonypi_device.lock);
957 /* Flush input queue on first open */
958 if (!sonypi_device.open_count)
959 kfifo_reset(sonypi_device.fifo);
960 sonypi_device.open_count++;
961 mutex_unlock(&sonypi_device.lock);
962 return 0;
963 }
964
965 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
966 size_t count, loff_t *pos)
967 {
968 ssize_t ret;
969 unsigned char c;
970
971 if ((kfifo_len(sonypi_device.fifo) == 0) &&
972 (file->f_flags & O_NONBLOCK))
973 return -EAGAIN;
974
975 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
976 kfifo_len(sonypi_device.fifo) != 0);
977 if (ret)
978 return ret;
979
980 while (ret < count &&
981 (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
982 if (put_user(c, buf++))
983 return -EFAULT;
984 ret++;
985 }
986
987 if (ret > 0) {
988 struct inode *inode = file->f_path.dentry->d_inode;
989 inode->i_atime = current_fs_time(inode->i_sb);
990 }
991
992 return ret;
993 }
994
995 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
996 {
997 poll_wait(file, &sonypi_device.fifo_proc_list, wait);
998 if (kfifo_len(sonypi_device.fifo))
999 return POLLIN | POLLRDNORM;
1000 return 0;
1001 }
1002
1003 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
1004 unsigned int cmd, unsigned long arg)
1005 {
1006 int ret = 0;
1007 void __user *argp = (void __user *)arg;
1008 u8 val8;
1009 u16 val16;
1010
1011 mutex_lock(&sonypi_device.lock);
1012 switch (cmd) {
1013 case SONYPI_IOCGBRT:
1014 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1015 ret = -EIO;
1016 break;
1017 }
1018 if (copy_to_user(argp, &val8, sizeof(val8)))
1019 ret = -EFAULT;
1020 break;
1021 case SONYPI_IOCSBRT:
1022 if (copy_from_user(&val8, argp, sizeof(val8))) {
1023 ret = -EFAULT;
1024 break;
1025 }
1026 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1027 ret = -EIO;
1028 break;
1029 case SONYPI_IOCGBAT1CAP:
1030 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1031 ret = -EIO;
1032 break;
1033 }
1034 if (copy_to_user(argp, &val16, sizeof(val16)))
1035 ret = -EFAULT;
1036 break;
1037 case SONYPI_IOCGBAT1REM:
1038 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1039 ret = -EIO;
1040 break;
1041 }
1042 if (copy_to_user(argp, &val16, sizeof(val16)))
1043 ret = -EFAULT;
1044 break;
1045 case SONYPI_IOCGBAT2CAP:
1046 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1047 ret = -EIO;
1048 break;
1049 }
1050 if (copy_to_user(argp, &val16, sizeof(val16)))
1051 ret = -EFAULT;
1052 break;
1053 case SONYPI_IOCGBAT2REM:
1054 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1055 ret = -EIO;
1056 break;
1057 }
1058 if (copy_to_user(argp, &val16, sizeof(val16)))
1059 ret = -EFAULT;
1060 break;
1061 case SONYPI_IOCGBATFLAGS:
1062 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1063 ret = -EIO;
1064 break;
1065 }
1066 val8 &= 0x07;
1067 if (copy_to_user(argp, &val8, sizeof(val8)))
1068 ret = -EFAULT;
1069 break;
1070 case SONYPI_IOCGBLUE:
1071 val8 = sonypi_device.bluetooth_power;
1072 if (copy_to_user(argp, &val8, sizeof(val8)))
1073 ret = -EFAULT;
1074 break;
1075 case SONYPI_IOCSBLUE:
1076 if (copy_from_user(&val8, argp, sizeof(val8))) {
1077 ret = -EFAULT;
1078 break;
1079 }
1080 sonypi_setbluetoothpower(val8);
1081 break;
1082 /* FAN Controls */
1083 case SONYPI_IOCGFAN:
1084 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1085 ret = -EIO;
1086 break;
1087 }
1088 if (copy_to_user(argp, &val8, sizeof(val8)))
1089 ret = -EFAULT;
1090 break;
1091 case SONYPI_IOCSFAN:
1092 if (copy_from_user(&val8, argp, sizeof(val8))) {
1093 ret = -EFAULT;
1094 break;
1095 }
1096 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1097 ret = -EIO;
1098 break;
1099 /* GET Temperature (useful under APM) */
1100 case SONYPI_IOCGTEMP:
1101 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1102 ret = -EIO;
1103 break;
1104 }
1105 if (copy_to_user(argp, &val8, sizeof(val8)))
1106 ret = -EFAULT;
1107 break;
1108 default:
1109 ret = -EINVAL;
1110 }
1111 mutex_unlock(&sonypi_device.lock);
1112 return ret;
1113 }
1114
1115 static const struct file_operations sonypi_misc_fops = {
1116 .owner = THIS_MODULE,
1117 .read = sonypi_misc_read,
1118 .poll = sonypi_misc_poll,
1119 .open = sonypi_misc_open,
1120 .release = sonypi_misc_release,
1121 .fasync = sonypi_misc_fasync,
1122 .ioctl = sonypi_misc_ioctl,
1123 };
1124
1125 static struct miscdevice sonypi_misc_device = {
1126 .minor = MISC_DYNAMIC_MINOR,
1127 .name = "sonypi",
1128 .fops = &sonypi_misc_fops,
1129 };
1130
1131 static void sonypi_enable(unsigned int camera_on)
1132 {
1133 switch (sonypi_device.model) {
1134 case SONYPI_DEVICE_MODEL_TYPE1:
1135 sonypi_type1_srs();
1136 break;
1137 case SONYPI_DEVICE_MODEL_TYPE2:
1138 sonypi_type2_srs();
1139 break;
1140 case SONYPI_DEVICE_MODEL_TYPE3:
1141 sonypi_type3_srs();
1142 break;
1143 }
1144
1145 sonypi_call1(0x82);
1146 sonypi_call2(0x81, 0xff);
1147 sonypi_call1(compat ? 0x92 : 0x82);
1148
1149 /* Enable ACPI mode to get Fn key events */
1150 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1151 outb(0xf0, 0xb2);
1152
1153 if (camera && camera_on)
1154 sonypi_camera_on();
1155 }
1156
1157 static int sonypi_disable(void)
1158 {
1159 sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1160 if (camera)
1161 sonypi_camera_off();
1162
1163 /* disable ACPI mode */
1164 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1165 outb(0xf1, 0xb2);
1166
1167 switch (sonypi_device.model) {
1168 case SONYPI_DEVICE_MODEL_TYPE1:
1169 sonypi_type1_dis();
1170 break;
1171 case SONYPI_DEVICE_MODEL_TYPE2:
1172 sonypi_type2_dis();
1173 break;
1174 case SONYPI_DEVICE_MODEL_TYPE3:
1175 sonypi_type3_dis();
1176 break;
1177 }
1178
1179 return 0;
1180 }
1181
1182 #ifdef CONFIG_ACPI
1183 static int sonypi_acpi_add(struct acpi_device *device)
1184 {
1185 sonypi_acpi_device = device;
1186 strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1187 strcpy(acpi_device_class(device), "sony/hotkey");
1188 return 0;
1189 }
1190
1191 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1192 {
1193 sonypi_acpi_device = NULL;
1194 return 0;
1195 }
1196
1197 static struct acpi_driver sonypi_acpi_driver = {
1198 .name = "sonypi",
1199 .class = "hkey",
1200 .ids = "SNY6001",
1201 .ops = {
1202 .add = sonypi_acpi_add,
1203 .remove = sonypi_acpi_remove,
1204 },
1205 };
1206 #endif
1207
1208 static int __devinit sonypi_create_input_devices(void)
1209 {
1210 struct input_dev *jog_dev;
1211 struct input_dev *key_dev;
1212 int i;
1213 int error;
1214
1215 sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1216 if (!jog_dev)
1217 return -ENOMEM;
1218
1219 jog_dev->name = "Sony Vaio Jogdial";
1220 jog_dev->id.bustype = BUS_ISA;
1221 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1222
1223 jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1224 jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1225 jog_dev->relbit[0] = BIT(REL_WHEEL);
1226
1227 sonypi_device.input_key_dev = key_dev = input_allocate_device();
1228 if (!key_dev) {
1229 error = -ENOMEM;
1230 goto err_free_jogdev;
1231 }
1232
1233 key_dev->name = "Sony Vaio Keys";
1234 key_dev->id.bustype = BUS_ISA;
1235 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1236
1237 /* Initialize the Input Drivers: special keys */
1238 key_dev->evbit[0] = BIT(EV_KEY);
1239 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1240 if (sonypi_inputkeys[i].inputev)
1241 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1242
1243 error = input_register_device(jog_dev);
1244 if (error)
1245 goto err_free_keydev;
1246
1247 error = input_register_device(key_dev);
1248 if (error)
1249 goto err_unregister_jogdev;
1250
1251 return 0;
1252
1253 err_unregister_jogdev:
1254 input_unregister_device(jog_dev);
1255 /* Set to NULL so we don't free it again below */
1256 jog_dev = NULL;
1257 err_free_keydev:
1258 input_free_device(key_dev);
1259 sonypi_device.input_key_dev = NULL;
1260 err_free_jogdev:
1261 input_free_device(jog_dev);
1262 sonypi_device.input_jog_dev = NULL;
1263
1264 return error;
1265 }
1266
1267 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1268 const struct sonypi_ioport_list *ioport_list)
1269 {
1270 /* try to detect if sony-laptop is being used and thus
1271 * has already requested one of the known ioports.
1272 * As in the deprecated check_region this is racy has we have
1273 * multiple ioports available and one of them can be requested
1274 * between this check and the subsequent request. Anyway, as an
1275 * attempt to be some more user-friendly as we currently are,
1276 * this is enough.
1277 */
1278 const struct sonypi_ioport_list *check = ioport_list;
1279 while (check_ioport && check->port1) {
1280 if (!request_region(check->port1,
1281 sonypi_device.region_size,
1282 "Sony Programable I/O Device Check")) {
1283 printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1284 "if not use check_ioport=0\n",
1285 check->port1);
1286 return -EBUSY;
1287 }
1288 release_region(check->port1, sonypi_device.region_size);
1289 check++;
1290 }
1291
1292 while (ioport_list->port1) {
1293
1294 if (request_region(ioport_list->port1,
1295 sonypi_device.region_size,
1296 "Sony Programable I/O Device")) {
1297 dev->ioport1 = ioport_list->port1;
1298 dev->ioport2 = ioport_list->port2;
1299 return 0;
1300 }
1301 ioport_list++;
1302 }
1303
1304 return -EBUSY;
1305 }
1306
1307 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1308 const struct sonypi_irq_list *irq_list)
1309 {
1310 while (irq_list->irq) {
1311
1312 if (!request_irq(irq_list->irq, sonypi_irq,
1313 IRQF_SHARED, "sonypi", sonypi_irq)) {
1314 dev->irq = irq_list->irq;
1315 dev->bits = irq_list->bits;
1316 return 0;
1317 }
1318 irq_list++;
1319 }
1320
1321 return -EBUSY;
1322 }
1323
1324 static void __devinit sonypi_display_info(void)
1325 {
1326 printk(KERN_INFO "sonypi: detected type%d model, "
1327 "verbose = %d, fnkeyinit = %s, camera = %s, "
1328 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1329 sonypi_device.model,
1330 verbose,
1331 fnkeyinit ? "on" : "off",
1332 camera ? "on" : "off",
1333 compat ? "on" : "off",
1334 mask,
1335 useinput ? "on" : "off",
1336 SONYPI_ACPI_ACTIVE ? "on" : "off");
1337 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1338 sonypi_device.irq,
1339 sonypi_device.ioport1, sonypi_device.ioport2);
1340
1341 if (minor == -1)
1342 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1343 sonypi_misc_device.minor);
1344 }
1345
1346 static int __devinit sonypi_probe(struct platform_device *dev)
1347 {
1348 const struct sonypi_ioport_list *ioport_list;
1349 const struct sonypi_irq_list *irq_list;
1350 struct pci_dev *pcidev;
1351 int error;
1352
1353 printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1354 "and report failures, see also "
1355 "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1356
1357 spin_lock_init(&sonypi_device.fifo_lock);
1358 sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1359 &sonypi_device.fifo_lock);
1360 if (IS_ERR(sonypi_device.fifo)) {
1361 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1362 return PTR_ERR(sonypi_device.fifo);
1363 }
1364
1365 init_waitqueue_head(&sonypi_device.fifo_proc_list);
1366 mutex_init(&sonypi_device.lock);
1367 sonypi_device.bluetooth_power = -1;
1368
1369 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1370 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1371 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1372 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1373 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1374 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1375 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1376 PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1377 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1378 else
1379 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1380
1381 if (pcidev && pci_enable_device(pcidev)) {
1382 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1383 error = -EIO;
1384 goto err_put_pcidev;
1385 }
1386
1387 sonypi_device.dev = pcidev;
1388
1389 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1390 ioport_list = sonypi_type1_ioport_list;
1391 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1392 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1393 irq_list = sonypi_type1_irq_list;
1394 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1395 ioport_list = sonypi_type2_ioport_list;
1396 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1397 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1398 irq_list = sonypi_type2_irq_list;
1399 } else {
1400 ioport_list = sonypi_type3_ioport_list;
1401 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1402 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1403 irq_list = sonypi_type3_irq_list;
1404 }
1405
1406 error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1407 if (error) {
1408 printk(KERN_ERR "sonypi: failed to request ioports\n");
1409 goto err_disable_pcidev;
1410 }
1411
1412 error = sonypi_setup_irq(&sonypi_device, irq_list);
1413 if (error) {
1414 printk(KERN_ERR "sonypi: request_irq failed\n");
1415 goto err_free_ioports;
1416 }
1417
1418 if (minor != -1)
1419 sonypi_misc_device.minor = minor;
1420 error = misc_register(&sonypi_misc_device);
1421 if (error) {
1422 printk(KERN_ERR "sonypi: misc_register failed\n");
1423 goto err_free_irq;
1424 }
1425
1426 sonypi_display_info();
1427
1428 if (useinput) {
1429
1430 error = sonypi_create_input_devices();
1431 if (error) {
1432 printk(KERN_ERR
1433 "sonypi: failed to create input devices\n");
1434 goto err_miscdev_unregister;
1435 }
1436
1437 spin_lock_init(&sonypi_device.input_fifo_lock);
1438 sonypi_device.input_fifo =
1439 kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1440 &sonypi_device.input_fifo_lock);
1441 if (IS_ERR(sonypi_device.input_fifo)) {
1442 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1443 error = PTR_ERR(sonypi_device.input_fifo);
1444 goto err_inpdev_unregister;
1445 }
1446
1447 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1448 }
1449
1450 sonypi_enable(0);
1451
1452 return 0;
1453
1454 err_inpdev_unregister:
1455 input_unregister_device(sonypi_device.input_key_dev);
1456 input_unregister_device(sonypi_device.input_jog_dev);
1457 err_miscdev_unregister:
1458 misc_deregister(&sonypi_misc_device);
1459 err_free_irq:
1460 free_irq(sonypi_device.irq, sonypi_irq);
1461 err_free_ioports:
1462 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1463 err_disable_pcidev:
1464 if (pcidev)
1465 pci_disable_device(pcidev);
1466 err_put_pcidev:
1467 pci_dev_put(pcidev);
1468 kfifo_free(sonypi_device.fifo);
1469
1470 return error;
1471 }
1472
1473 static int __devexit sonypi_remove(struct platform_device *dev)
1474 {
1475 sonypi_disable();
1476
1477 synchronize_sched(); /* Allow sonypi interrupt to complete. */
1478 flush_scheduled_work();
1479
1480 if (useinput) {
1481 input_unregister_device(sonypi_device.input_key_dev);
1482 input_unregister_device(sonypi_device.input_jog_dev);
1483 kfifo_free(sonypi_device.input_fifo);
1484 }
1485
1486 misc_deregister(&sonypi_misc_device);
1487
1488 free_irq(sonypi_device.irq, sonypi_irq);
1489 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1490
1491 if (sonypi_device.dev) {
1492 pci_disable_device(sonypi_device.dev);
1493 pci_dev_put(sonypi_device.dev);
1494 }
1495
1496 kfifo_free(sonypi_device.fifo);
1497
1498 return 0;
1499 }
1500
1501 #ifdef CONFIG_PM
1502 static int old_camera_power;
1503
1504 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1505 {
1506 old_camera_power = sonypi_device.camera_power;
1507 sonypi_disable();
1508
1509 return 0;
1510 }
1511
1512 static int sonypi_resume(struct platform_device *dev)
1513 {
1514 sonypi_enable(old_camera_power);
1515 return 0;
1516 }
1517 #else
1518 #define sonypi_suspend NULL
1519 #define sonypi_resume NULL
1520 #endif
1521
1522 static void sonypi_shutdown(struct platform_device *dev)
1523 {
1524 sonypi_disable();
1525 }
1526
1527 static struct platform_driver sonypi_driver = {
1528 .driver = {
1529 .name = "sonypi",
1530 .owner = THIS_MODULE,
1531 },
1532 .probe = sonypi_probe,
1533 .remove = __devexit_p(sonypi_remove),
1534 .shutdown = sonypi_shutdown,
1535 .suspend = sonypi_suspend,
1536 .resume = sonypi_resume,
1537 };
1538
1539 static struct platform_device *sonypi_platform_device;
1540
1541 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1542 {
1543 .ident = "Sony Vaio",
1544 .matches = {
1545 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1546 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1547 },
1548 },
1549 {
1550 .ident = "Sony Vaio",
1551 .matches = {
1552 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1553 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1554 },
1555 },
1556 { }
1557 };
1558
1559 static int __init sonypi_init(void)
1560 {
1561 int error;
1562
1563 printk(KERN_INFO
1564 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1565 SONYPI_DRIVER_VERSION);
1566
1567 if (!dmi_check_system(sonypi_dmi_table))
1568 return -ENODEV;
1569
1570 error = platform_driver_register(&sonypi_driver);
1571 if (error)
1572 return error;
1573
1574 sonypi_platform_device = platform_device_alloc("sonypi", -1);
1575 if (!sonypi_platform_device) {
1576 error = -ENOMEM;
1577 goto err_driver_unregister;
1578 }
1579
1580 error = platform_device_add(sonypi_platform_device);
1581 if (error)
1582 goto err_free_device;
1583
1584 #ifdef CONFIG_ACPI
1585 if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1586 acpi_driver_registered = 1;
1587 #endif
1588
1589 return 0;
1590
1591 err_free_device:
1592 platform_device_put(sonypi_platform_device);
1593 err_driver_unregister:
1594 platform_driver_unregister(&sonypi_driver);
1595 return error;
1596 }
1597
1598 static void __exit sonypi_exit(void)
1599 {
1600 #ifdef CONFIG_ACPI
1601 if (acpi_driver_registered)
1602 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1603 #endif
1604 platform_device_unregister(sonypi_platform_device);
1605 platform_driver_unregister(&sonypi_driver);
1606 printk(KERN_INFO "sonypi: removed.\n");
1607 }
1608
1609 module_init(sonypi_init);
1610 module_exit(sonypi_exit);
linux-next