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xenbus_client.c: correct exit path for xenbus_map_ring_valloc_hvm
[linux/fpc-iii.git] / drivers / char / sonypi.c
blobbf2349dbbf7ffd301839bf24242b9fd2127b53db
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/sched.h>
40 #include <linux/input.h>
41 #include <linux/pci.h>
42 #include <linux/init.h>
43 #include <linux/interrupt.h>
44 #include <linux/miscdevice.h>
45 #include <linux/poll.h>
46 #include <linux/delay.h>
47 #include <linux/wait.h>
48 #include <linux/acpi.h>
49 #include <linux/dmi.h>
50 #include <linux/err.h>
51 #include <linux/kfifo.h>
52 #include <linux/platform_device.h>
53 #include <linux/gfp.h>
54
55 #include <asm/uaccess.h>
56 #include <asm/io.h>
57
58 #include <linux/sonypi.h>
59
60 #define SONYPI_DRIVER_VERSION "1.26"
61
62 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
63 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
64 MODULE_LICENSE("GPL");
65 MODULE_VERSION(SONYPI_DRIVER_VERSION);
66
67 static int minor = -1;
68 module_param(minor, int, 0);
69 MODULE_PARM_DESC(minor,
70 "minor number of the misc device, default is -1 (automatic)");
71
72 static int verbose; /* = 0 */
73 module_param(verbose, int, 0644);
74 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
75
76 static int fnkeyinit; /* = 0 */
77 module_param(fnkeyinit, int, 0444);
78 MODULE_PARM_DESC(fnkeyinit,
79 "set this if your Fn keys do not generate any event");
80
81 static int camera; /* = 0 */
82 module_param(camera, int, 0444);
83 MODULE_PARM_DESC(camera,
84 "set this if you have a MotionEye camera (PictureBook series)");
85
86 static int compat; /* = 0 */
87 module_param(compat, int, 0444);
88 MODULE_PARM_DESC(compat,
89 "set this if you want to enable backward compatibility mode");
90
91 static unsigned long mask = 0xffffffff;
92 module_param(mask, ulong, 0644);
93 MODULE_PARM_DESC(mask,
94 "set this to the mask of event you want to enable (see doc)");
95
96 static int useinput = 1;
97 module_param(useinput, int, 0444);
98 MODULE_PARM_DESC(useinput,
99 "set this if you would like sonypi to feed events to the input subsystem");
100
101 static int check_ioport = 1;
102 module_param(check_ioport, int, 0444);
103 MODULE_PARM_DESC(check_ioport,
104 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
105
106 #define SONYPI_DEVICE_MODEL_TYPE1 1
107 #define SONYPI_DEVICE_MODEL_TYPE2 2
108 #define SONYPI_DEVICE_MODEL_TYPE3 3
109
110 /* type1 models use those */
111 #define SONYPI_IRQ_PORT 0x8034
112 #define SONYPI_IRQ_SHIFT 22
113 #define SONYPI_TYPE1_BASE 0x50
114 #define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
115 #define SONYPI_TYPE1_REGION_SIZE 0x08
116 #define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
117
118 /* type2 series specifics */
119 #define SONYPI_SIRQ 0x9b
120 #define SONYPI_SLOB 0x9c
121 #define SONYPI_SHIB 0x9d
122 #define SONYPI_TYPE2_REGION_SIZE 0x20
123 #define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
124
125 /* type3 series specifics */
126 #define SONYPI_TYPE3_BASE 0x40
127 #define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
128 #define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
129 #define SONYPI_TYPE3_REGION_SIZE 0x20
130 #define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
131
132 /* battery / brightness addresses */
133 #define SONYPI_BAT_FLAGS 0x81
134 #define SONYPI_LCD_LIGHT 0x96
135 #define SONYPI_BAT1_PCTRM 0xa0
136 #define SONYPI_BAT1_LEFT 0xa2
137 #define SONYPI_BAT1_MAXRT 0xa4
138 #define SONYPI_BAT2_PCTRM 0xa8
139 #define SONYPI_BAT2_LEFT 0xaa
140 #define SONYPI_BAT2_MAXRT 0xac
141 #define SONYPI_BAT1_MAXTK 0xb0
142 #define SONYPI_BAT1_FULL 0xb2
143 #define SONYPI_BAT2_MAXTK 0xb8
144 #define SONYPI_BAT2_FULL 0xba
145
146 /* FAN0 information (reverse engineered from ACPI tables) */
147 #define SONYPI_FAN0_STATUS 0x93
148 #define SONYPI_TEMP_STATUS 0xC1
149
150 /* ioports used for brightness and type2 events */
151 #define SONYPI_DATA_IOPORT 0x62
152 #define SONYPI_CST_IOPORT 0x66
153
154 /* The set of possible ioports */
155 struct sonypi_ioport_list {
156 u16 port1;
157 u16 port2;
158 };
159
160 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
161 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
162 { 0x1080, 0x1084 },
163 { 0x1090, 0x1094 },
164 { 0x10a0, 0x10a4 },
165 { 0x10b0, 0x10b4 },
166 { 0x0, 0x0 }
167 };
168
169 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
170 { 0x1080, 0x1084 },
171 { 0x10a0, 0x10a4 },
172 { 0x10c0, 0x10c4 },
173 { 0x10e0, 0x10e4 },
174 { 0x0, 0x0 }
175 };
176
177 /* same as in type 2 models */
178 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
179 sonypi_type2_ioport_list;
180
181 /* The set of possible interrupts */
182 struct sonypi_irq_list {
183 u16 irq;
184 u16 bits;
185 };
186
187 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
188 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
189 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
190 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
191 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
192 };
193
194 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
195 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
196 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
197 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
198 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
199 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
200 };
201
202 /* same as in type2 models */
203 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
204
205 #define SONYPI_CAMERA_BRIGHTNESS 0
206 #define SONYPI_CAMERA_CONTRAST 1
207 #define SONYPI_CAMERA_HUE 2
208 #define SONYPI_CAMERA_COLOR 3
209 #define SONYPI_CAMERA_SHARPNESS 4
210
211 #define SONYPI_CAMERA_PICTURE 5
212 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
213 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
214 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
215 #define SONYPI_CAMERA_MUTE_MASK 0x40
216
217 /* the rest don't need a loop until not 0xff */
218 #define SONYPI_CAMERA_AGC 6
219 #define SONYPI_CAMERA_AGC_MASK 0x30
220 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
221
222 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
223 #define SONYPI_CAMERA_CONTROL 0x10
224
225 #define SONYPI_CAMERA_STATUS 7
226 #define SONYPI_CAMERA_STATUS_READY 0x2
227 #define SONYPI_CAMERA_STATUS_POSITION 0x4
228
229 #define SONYPI_DIRECTION_BACKWARDS 0x4
230
231 #define SONYPI_CAMERA_REVISION 8
232 #define SONYPI_CAMERA_ROMVERSION 9
233
234 /* Event masks */
235 #define SONYPI_JOGGER_MASK 0x00000001
236 #define SONYPI_CAPTURE_MASK 0x00000002
237 #define SONYPI_FNKEY_MASK 0x00000004
238 #define SONYPI_BLUETOOTH_MASK 0x00000008
239 #define SONYPI_PKEY_MASK 0x00000010
240 #define SONYPI_BACK_MASK 0x00000020
241 #define SONYPI_HELP_MASK 0x00000040
242 #define SONYPI_LID_MASK 0x00000080
243 #define SONYPI_ZOOM_MASK 0x00000100
244 #define SONYPI_THUMBPHRASE_MASK 0x00000200
245 #define SONYPI_MEYE_MASK 0x00000400
246 #define SONYPI_MEMORYSTICK_MASK 0x00000800
247 #define SONYPI_BATTERY_MASK 0x00001000
248 #define SONYPI_WIRELESS_MASK 0x00002000
249
250 struct sonypi_event {
251 u8 data;
252 u8 event;
253 };
254
255 /* The set of possible button release events */
256 static struct sonypi_event sonypi_releaseev[] = {
257 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
258 { 0, 0 }
259 };
260
261 /* The set of possible jogger events */
262 static struct sonypi_event sonypi_joggerev[] = {
263 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
264 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
265 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
266 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
267 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
268 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
269 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
270 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
271 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
272 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
273 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
274 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
275 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
276 { 0, 0 }
277 };
278
279 /* The set of possible capture button events */
280 static struct sonypi_event sonypi_captureev[] = {
281 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
282 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
283 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
284 { 0, 0 }
285 };
286
287 /* The set of possible fnkeys events */
288 static struct sonypi_event sonypi_fnkeyev[] = {
289 { 0x10, SONYPI_EVENT_FNKEY_ESC },
290 { 0x11, SONYPI_EVENT_FNKEY_F1 },
291 { 0x12, SONYPI_EVENT_FNKEY_F2 },
292 { 0x13, SONYPI_EVENT_FNKEY_F3 },
293 { 0x14, SONYPI_EVENT_FNKEY_F4 },
294 { 0x15, SONYPI_EVENT_FNKEY_F5 },
295 { 0x16, SONYPI_EVENT_FNKEY_F6 },
296 { 0x17, SONYPI_EVENT_FNKEY_F7 },
297 { 0x18, SONYPI_EVENT_FNKEY_F8 },
298 { 0x19, SONYPI_EVENT_FNKEY_F9 },
299 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
300 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
301 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
302 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
303 { 0x21, SONYPI_EVENT_FNKEY_1 },
304 { 0x22, SONYPI_EVENT_FNKEY_2 },
305 { 0x31, SONYPI_EVENT_FNKEY_D },
306 { 0x32, SONYPI_EVENT_FNKEY_E },
307 { 0x33, SONYPI_EVENT_FNKEY_F },
308 { 0x34, SONYPI_EVENT_FNKEY_S },
309 { 0x35, SONYPI_EVENT_FNKEY_B },
310 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
311 { 0, 0 }
312 };
313
314 /* The set of possible program key events */
315 static struct sonypi_event sonypi_pkeyev[] = {
316 { 0x01, SONYPI_EVENT_PKEY_P1 },
317 { 0x02, SONYPI_EVENT_PKEY_P2 },
318 { 0x04, SONYPI_EVENT_PKEY_P3 },
319 { 0x5c, SONYPI_EVENT_PKEY_P1 },
320 { 0, 0 }
321 };
322
323 /* The set of possible bluetooth events */
324 static struct sonypi_event sonypi_blueev[] = {
325 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
326 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
327 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
328 { 0, 0 }
329 };
330
331 /* The set of possible wireless events */
332 static struct sonypi_event sonypi_wlessev[] = {
333 { 0x59, SONYPI_EVENT_WIRELESS_ON },
334 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
335 { 0, 0 }
336 };
337
338 /* The set of possible back button events */
339 static struct sonypi_event sonypi_backev[] = {
340 { 0x20, SONYPI_EVENT_BACK_PRESSED },
341 { 0, 0 }
342 };
343
344 /* The set of possible help button events */
345 static struct sonypi_event sonypi_helpev[] = {
346 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
347 { 0, 0 }
348 };
349
350
351 /* The set of possible lid events */
352 static struct sonypi_event sonypi_lidev[] = {
353 { 0x51, SONYPI_EVENT_LID_CLOSED },
354 { 0x50, SONYPI_EVENT_LID_OPENED },
355 { 0, 0 }
356 };
357
358 /* The set of possible zoom events */
359 static struct sonypi_event sonypi_zoomev[] = {
360 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
361 { 0, 0 }
362 };
363
364 /* The set of possible thumbphrase events */
365 static struct sonypi_event sonypi_thumbphraseev[] = {
366 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
367 { 0, 0 }
368 };
369
370 /* The set of possible motioneye camera events */
371 static struct sonypi_event sonypi_meyeev[] = {
372 { 0x00, SONYPI_EVENT_MEYE_FACE },
373 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
374 { 0, 0 }
375 };
376
377 /* The set of possible memorystick events */
378 static struct sonypi_event sonypi_memorystickev[] = {
379 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
380 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
381 { 0, 0 }
382 };
383
384 /* The set of possible battery events */
385 static struct sonypi_event sonypi_batteryev[] = {
386 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
387 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
388 { 0, 0 }
389 };
390
391 static struct sonypi_eventtypes {
392 int model;
393 u8 data;
394 unsigned long mask;
395 struct sonypi_event * events;
396 } sonypi_eventtypes[] = {
397 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
398 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
399 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
400 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
401 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
402 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
403 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
404 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
405 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
406 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
407
408 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
409 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
410 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
411 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
412 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
413 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
414 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
415 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
416 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
417 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
418 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
419 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
420 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
421 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
422
423 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
424 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
425 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
426 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
427 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
428 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
429 { 0 }
430 };
431
432 #define SONYPI_BUF_SIZE 128
433
434 /* Correspondance table between sonypi events and input layer events */
435 static struct {
436 int sonypiev;
437 int inputev;
438 } sonypi_inputkeys[] = {
439 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
440 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
441 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
442 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
443 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
444 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
445 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
446 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
447 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
448 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
449 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
450 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
451 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
452 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
453 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
454 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
455 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
456 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
457 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
458 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
459 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
460 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
461 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
462 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
463 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
464 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
465 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
466 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
467 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
468 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
469 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
470 { 0, 0 },
471 };
472
473 struct sonypi_keypress {
474 struct input_dev *dev;
475 int key;
476 };
477
478 static struct sonypi_device {
479 struct pci_dev *dev;
480 u16 irq;
481 u16 bits;
482 u16 ioport1;
483 u16 ioport2;
484 u16 region_size;
485 u16 evtype_offset;
486 int camera_power;
487 int bluetooth_power;
488 struct mutex lock;
489 struct kfifo fifo;
490 spinlock_t fifo_lock;
491 wait_queue_head_t fifo_proc_list;
492 struct fasync_struct *fifo_async;
493 int open_count;
494 int model;
495 struct input_dev *input_jog_dev;
496 struct input_dev *input_key_dev;
497 struct work_struct input_work;
498 struct kfifo input_fifo;
499 spinlock_t input_fifo_lock;
500 } sonypi_device;
501
502 #define ITERATIONS_LONG 10000
503 #define ITERATIONS_SHORT 10
504
505 #define wait_on_command(quiet, command, iterations) { \
506 unsigned int n = iterations; \
507 while (--n && (command)) \
508 udelay(1); \
509 if (!n && (verbose || !quiet)) \
510 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
511 }
512
513 #ifdef CONFIG_ACPI
514 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
515 #else
516 #define SONYPI_ACPI_ACTIVE 0
517 #endif /* CONFIG_ACPI */
518
519 #ifdef CONFIG_ACPI
520 static struct acpi_device *sonypi_acpi_device;
521 static int acpi_driver_registered;
522 #endif
523
524 static int sonypi_ec_write(u8 addr, u8 value)
525 {
526 #ifdef CONFIG_ACPI
527 if (SONYPI_ACPI_ACTIVE)
528 return ec_write(addr, value);
529 #endif
530 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
531 outb_p(0x81, SONYPI_CST_IOPORT);
532 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
533 outb_p(addr, SONYPI_DATA_IOPORT);
534 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
535 outb_p(value, SONYPI_DATA_IOPORT);
536 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
537 return 0;
538 }
539
540 static int sonypi_ec_read(u8 addr, u8 *value)
541 {
542 #ifdef CONFIG_ACPI
543 if (SONYPI_ACPI_ACTIVE)
544 return ec_read(addr, value);
545 #endif
546 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
547 outb_p(0x80, SONYPI_CST_IOPORT);
548 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
549 outb_p(addr, SONYPI_DATA_IOPORT);
550 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
551 *value = inb_p(SONYPI_DATA_IOPORT);
552 return 0;
553 }
554
555 static int ec_read16(u8 addr, u16 *value)
556 {
557 u8 val_lb, val_hb;
558 if (sonypi_ec_read(addr, &val_lb))
559 return -1;
560 if (sonypi_ec_read(addr + 1, &val_hb))
561 return -1;
562 *value = val_lb | (val_hb << 8);
563 return 0;
564 }
565
566 /* Initializes the device - this comes from the AML code in the ACPI bios */
567 static void sonypi_type1_srs(void)
568 {
569 u32 v;
570
571 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
572 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
573 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
574
575 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
576 v = (v & 0xFFF0FFFF) |
577 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
578 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
579
580 v = inl(SONYPI_IRQ_PORT);
581 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
582 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
583 outl(v, SONYPI_IRQ_PORT);
584
585 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
586 v = (v & 0xFF1FFFFF) | 0x00C00000;
587 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
588 }
589
590 static void sonypi_type2_srs(void)
591 {
592 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
593 printk(KERN_WARNING "ec_write failed\n");
594 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
595 printk(KERN_WARNING "ec_write failed\n");
596 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
597 printk(KERN_WARNING "ec_write failed\n");
598 udelay(10);
599 }
600
601 static void sonypi_type3_srs(void)
602 {
603 u16 v16;
604 u8 v8;
605
606 /* This model type uses the same initialiazation of
607 * the embedded controller as the type2 models. */
608 sonypi_type2_srs();
609
610 /* Initialization of PCI config space of the LPC interface bridge. */
611 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
612 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
613 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
614 v8 = (v8 & 0xCF) | 0x10;
615 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
616 }
617
618 /* Disables the device - this comes from the AML code in the ACPI bios */
619 static void sonypi_type1_dis(void)
620 {
621 u32 v;
622
623 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
624 v = v & 0xFF3FFFFF;
625 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
626
627 v = inl(SONYPI_IRQ_PORT);
628 v |= (0x3 << SONYPI_IRQ_SHIFT);
629 outl(v, SONYPI_IRQ_PORT);
630 }
631
632 static void sonypi_type2_dis(void)
633 {
634 if (sonypi_ec_write(SONYPI_SHIB, 0))
635 printk(KERN_WARNING "ec_write failed\n");
636 if (sonypi_ec_write(SONYPI_SLOB, 0))
637 printk(KERN_WARNING "ec_write failed\n");
638 if (sonypi_ec_write(SONYPI_SIRQ, 0))
639 printk(KERN_WARNING "ec_write failed\n");
640 }
641
642 static void sonypi_type3_dis(void)
643 {
644 sonypi_type2_dis();
645 udelay(10);
646 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
647 }
648
649 static u8 sonypi_call1(u8 dev)
650 {
651 u8 v1, v2;
652
653 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
654 outb(dev, sonypi_device.ioport2);
655 v1 = inb_p(sonypi_device.ioport2);
656 v2 = inb_p(sonypi_device.ioport1);
657 return v2;
658 }
659
660 static u8 sonypi_call2(u8 dev, u8 fn)
661 {
662 u8 v1;
663
664 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
665 outb(dev, sonypi_device.ioport2);
666 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
667 outb(fn, sonypi_device.ioport1);
668 v1 = inb_p(sonypi_device.ioport1);
669 return v1;
670 }
671
672 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
673 {
674 u8 v1;
675
676 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
677 outb(dev, sonypi_device.ioport2);
678 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
679 outb(fn, sonypi_device.ioport1);
680 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
681 outb(v, sonypi_device.ioport1);
682 v1 = inb_p(sonypi_device.ioport1);
683 return v1;
684 }
685
686 #if 0
687 /* Get brightness, hue etc. Unreliable... */
688 static u8 sonypi_read(u8 fn)
689 {
690 u8 v1, v2;
691 int n = 100;
692
693 while (n--) {
694 v1 = sonypi_call2(0x8f, fn);
695 v2 = sonypi_call2(0x8f, fn);
696 if (v1 == v2 && v1 != 0xff)
697 return v1;
698 }
699 return 0xff;
700 }
701 #endif
702
703 /* Set brightness, hue etc */
704 static void sonypi_set(u8 fn, u8 v)
705 {
706 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
707 }
708
709 /* Tests if the camera is ready */
710 static int sonypi_camera_ready(void)
711 {
712 u8 v;
713
714 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
715 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
716 }
717
718 /* Turns the camera off */
719 static void sonypi_camera_off(void)
720 {
721 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
722
723 if (!sonypi_device.camera_power)
724 return;
725
726 sonypi_call2(0x91, 0);
727 sonypi_device.camera_power = 0;
728 }
729
730 /* Turns the camera on */
731 static void sonypi_camera_on(void)
732 {
733 int i, j;
734
735 if (sonypi_device.camera_power)
736 return;
737
738 for (j = 5; j > 0; j--) {
739
740 while (sonypi_call2(0x91, 0x1))
741 msleep(10);
742 sonypi_call1(0x93);
743
744 for (i = 400; i > 0; i--) {
745 if (sonypi_camera_ready())
746 break;
747 msleep(10);
748 }
749 if (i)
750 break;
751 }
752
753 if (j == 0) {
754 printk(KERN_WARNING "sonypi: failed to power on camera\n");
755 return;
756 }
757
758 sonypi_set(0x10, 0x5a);
759 sonypi_device.camera_power = 1;
760 }
761
762 /* sets the bluetooth subsystem power state */
763 static void sonypi_setbluetoothpower(u8 state)
764 {
765 state = !!state;
766
767 if (sonypi_device.bluetooth_power == state)
768 return;
769
770 sonypi_call2(0x96, state);
771 sonypi_call1(0x82);
772 sonypi_device.bluetooth_power = state;
773 }
774
775 static void input_keyrelease(struct work_struct *work)
776 {
777 struct sonypi_keypress kp;
778
779 while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
780 sizeof(kp), &sonypi_device.input_fifo_lock)
781 == sizeof(kp)) {
782 msleep(10);
783 input_report_key(kp.dev, kp.key, 0);
784 input_sync(kp.dev);
785 }
786 }
787
788 static void sonypi_report_input_event(u8 event)
789 {
790 struct input_dev *jog_dev = sonypi_device.input_jog_dev;
791 struct input_dev *key_dev = sonypi_device.input_key_dev;
792 struct sonypi_keypress kp = { NULL };
793 int i;
794
795 switch (event) {
796 case SONYPI_EVENT_JOGDIAL_UP:
797 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
798 input_report_rel(jog_dev, REL_WHEEL, 1);
799 input_sync(jog_dev);
800 break;
801
802 case SONYPI_EVENT_JOGDIAL_DOWN:
803 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
804 input_report_rel(jog_dev, REL_WHEEL, -1);
805 input_sync(jog_dev);
806 break;
807
808 case SONYPI_EVENT_JOGDIAL_PRESSED:
809 kp.key = BTN_MIDDLE;
810 kp.dev = jog_dev;
811 break;
812
813 case SONYPI_EVENT_FNKEY_RELEASED:
814 /* Nothing, not all VAIOs generate this event */
815 break;
816
817 default:
818 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
819 if (event == sonypi_inputkeys[i].sonypiev) {
820 kp.dev = key_dev;
821 kp.key = sonypi_inputkeys[i].inputev;
822 break;
823 }
824 break;
825 }
826
827 if (kp.dev) {
828 input_report_key(kp.dev, kp.key, 1);
829 input_sync(kp.dev);
830 kfifo_in_locked(&sonypi_device.input_fifo,
831 (unsigned char *)&kp, sizeof(kp),
832 &sonypi_device.input_fifo_lock);
833 schedule_work(&sonypi_device.input_work);
834 }
835 }
836
837 /* Interrupt handler: some event is available */
838 static irqreturn_t sonypi_irq(int irq, void *dev_id)
839 {
840 u8 v1, v2, event = 0;
841 int i, j;
842
843 v1 = inb_p(sonypi_device.ioport1);
844 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
845
846 for (i = 0; sonypi_eventtypes[i].model; i++) {
847 if (sonypi_device.model != sonypi_eventtypes[i].model)
848 continue;
849 if ((v2 & sonypi_eventtypes[i].data) !=
850 sonypi_eventtypes[i].data)
851 continue;
852 if (!(mask & sonypi_eventtypes[i].mask))
853 continue;
854 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
855 if (v1 == sonypi_eventtypes[i].events[j].data) {
856 event = sonypi_eventtypes[i].events[j].event;
857 goto found;
858 }
859 }
860 }
861
862 if (verbose)
863 printk(KERN_WARNING
864 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
865 v1, v2);
866 /* We need to return IRQ_HANDLED here because there *are*
867 * events belonging to the sonypi device we don't know about,
868 * but we still don't want those to pollute the logs... */
869 return IRQ_HANDLED;
870
871 found:
872 if (verbose > 1)
873 printk(KERN_INFO
874 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
875
876 if (useinput)
877 sonypi_report_input_event(event);
878
879 #ifdef CONFIG_ACPI
880 if (sonypi_acpi_device)
881 acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
882 #endif
883
884 kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
885 sizeof(event), &sonypi_device.fifo_lock);
886 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
887 wake_up_interruptible(&sonypi_device.fifo_proc_list);
888
889 return IRQ_HANDLED;
890 }
891
892 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
893 {
894 return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
895 }
896
897 static int sonypi_misc_release(struct inode *inode, struct file *file)
898 {
899 mutex_lock(&sonypi_device.lock);
900 sonypi_device.open_count--;
901 mutex_unlock(&sonypi_device.lock);
902 return 0;
903 }
904
905 static int sonypi_misc_open(struct inode *inode, struct file *file)
906 {
907 mutex_lock(&sonypi_device.lock);
908 /* Flush input queue on first open */
909 if (!sonypi_device.open_count)
910 kfifo_reset(&sonypi_device.fifo);
911 sonypi_device.open_count++;
912 mutex_unlock(&sonypi_device.lock);
913
914 return 0;
915 }
916
917 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
918 size_t count, loff_t *pos)
919 {
920 ssize_t ret;
921 unsigned char c;
922
923 if ((kfifo_len(&sonypi_device.fifo) == 0) &&
924 (file->f_flags & O_NONBLOCK))
925 return -EAGAIN;
926
927 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
928 kfifo_len(&sonypi_device.fifo) != 0);
929 if (ret)
930 return ret;
931
932 while (ret < count &&
933 (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
934 &sonypi_device.fifo_lock) == sizeof(c))) {
935 if (put_user(c, buf++))
936 return -EFAULT;
937 ret++;
938 }
939
940 if (ret > 0) {
941 struct inode *inode = file_inode(file);
942 inode->i_atime = current_fs_time(inode->i_sb);
943 }
944
945 return ret;
946 }
947
948 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
949 {
950 poll_wait(file, &sonypi_device.fifo_proc_list, wait);
951 if (kfifo_len(&sonypi_device.fifo))
952 return POLLIN | POLLRDNORM;
953 return 0;
954 }
955
956 static long sonypi_misc_ioctl(struct file *fp,
957 unsigned int cmd, unsigned long arg)
958 {
959 long ret = 0;
960 void __user *argp = (void __user *)arg;
961 u8 val8;
962 u16 val16;
963
964 mutex_lock(&sonypi_device.lock);
965 switch (cmd) {
966 case SONYPI_IOCGBRT:
967 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
968 ret = -EIO;
969 break;
970 }
971 if (copy_to_user(argp, &val8, sizeof(val8)))
972 ret = -EFAULT;
973 break;
974 case SONYPI_IOCSBRT:
975 if (copy_from_user(&val8, argp, sizeof(val8))) {
976 ret = -EFAULT;
977 break;
978 }
979 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
980 ret = -EIO;
981 break;
982 case SONYPI_IOCGBAT1CAP:
983 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
984 ret = -EIO;
985 break;
986 }
987 if (copy_to_user(argp, &val16, sizeof(val16)))
988 ret = -EFAULT;
989 break;
990 case SONYPI_IOCGBAT1REM:
991 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
992 ret = -EIO;
993 break;
994 }
995 if (copy_to_user(argp, &val16, sizeof(val16)))
996 ret = -EFAULT;
997 break;
998 case SONYPI_IOCGBAT2CAP:
999 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1000 ret = -EIO;
1001 break;
1002 }
1003 if (copy_to_user(argp, &val16, sizeof(val16)))
1004 ret = -EFAULT;
1005 break;
1006 case SONYPI_IOCGBAT2REM:
1007 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1008 ret = -EIO;
1009 break;
1010 }
1011 if (copy_to_user(argp, &val16, sizeof(val16)))
1012 ret = -EFAULT;
1013 break;
1014 case SONYPI_IOCGBATFLAGS:
1015 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1016 ret = -EIO;
1017 break;
1018 }
1019 val8 &= 0x07;
1020 if (copy_to_user(argp, &val8, sizeof(val8)))
1021 ret = -EFAULT;
1022 break;
1023 case SONYPI_IOCGBLUE:
1024 val8 = sonypi_device.bluetooth_power;
1025 if (copy_to_user(argp, &val8, sizeof(val8)))
1026 ret = -EFAULT;
1027 break;
1028 case SONYPI_IOCSBLUE:
1029 if (copy_from_user(&val8, argp, sizeof(val8))) {
1030 ret = -EFAULT;
1031 break;
1032 }
1033 sonypi_setbluetoothpower(val8);
1034 break;
1035 /* FAN Controls */
1036 case SONYPI_IOCGFAN:
1037 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1038 ret = -EIO;
1039 break;
1040 }
1041 if (copy_to_user(argp, &val8, sizeof(val8)))
1042 ret = -EFAULT;
1043 break;
1044 case SONYPI_IOCSFAN:
1045 if (copy_from_user(&val8, argp, sizeof(val8))) {
1046 ret = -EFAULT;
1047 break;
1048 }
1049 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1050 ret = -EIO;
1051 break;
1052 /* GET Temperature (useful under APM) */
1053 case SONYPI_IOCGTEMP:
1054 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1055 ret = -EIO;
1056 break;
1057 }
1058 if (copy_to_user(argp, &val8, sizeof(val8)))
1059 ret = -EFAULT;
1060 break;
1061 default:
1062 ret = -EINVAL;
1063 }
1064 mutex_unlock(&sonypi_device.lock);
1065 return ret;
1066 }
1067
1068 static const struct file_operations sonypi_misc_fops = {
1069 .owner = THIS_MODULE,
1070 .read = sonypi_misc_read,
1071 .poll = sonypi_misc_poll,
1072 .open = sonypi_misc_open,
1073 .release = sonypi_misc_release,
1074 .fasync = sonypi_misc_fasync,
1075 .unlocked_ioctl = sonypi_misc_ioctl,
1076 .llseek = no_llseek,
1077 };
1078
1079 static struct miscdevice sonypi_misc_device = {
1080 .minor = MISC_DYNAMIC_MINOR,
1081 .name = "sonypi",
1082 .fops = &sonypi_misc_fops,
1083 };
1084
1085 static void sonypi_enable(unsigned int camera_on)
1086 {
1087 switch (sonypi_device.model) {
1088 case SONYPI_DEVICE_MODEL_TYPE1:
1089 sonypi_type1_srs();
1090 break;
1091 case SONYPI_DEVICE_MODEL_TYPE2:
1092 sonypi_type2_srs();
1093 break;
1094 case SONYPI_DEVICE_MODEL_TYPE3:
1095 sonypi_type3_srs();
1096 break;
1097 }
1098
1099 sonypi_call1(0x82);
1100 sonypi_call2(0x81, 0xff);
1101 sonypi_call1(compat ? 0x92 : 0x82);
1102
1103 /* Enable ACPI mode to get Fn key events */
1104 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1105 outb(0xf0, 0xb2);
1106
1107 if (camera && camera_on)
1108 sonypi_camera_on();
1109 }
1110
1111 static int sonypi_disable(void)
1112 {
1113 sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1114 if (camera)
1115 sonypi_camera_off();
1116
1117 /* disable ACPI mode */
1118 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1119 outb(0xf1, 0xb2);
1120
1121 switch (sonypi_device.model) {
1122 case SONYPI_DEVICE_MODEL_TYPE1:
1123 sonypi_type1_dis();
1124 break;
1125 case SONYPI_DEVICE_MODEL_TYPE2:
1126 sonypi_type2_dis();
1127 break;
1128 case SONYPI_DEVICE_MODEL_TYPE3:
1129 sonypi_type3_dis();
1130 break;
1131 }
1132
1133 return 0;
1134 }
1135
1136 #ifdef CONFIG_ACPI
1137 static int sonypi_acpi_add(struct acpi_device *device)
1138 {
1139 sonypi_acpi_device = device;
1140 strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1141 strcpy(acpi_device_class(device), "sony/hotkey");
1142 return 0;
1143 }
1144
1145 static int sonypi_acpi_remove(struct acpi_device *device)
1146 {
1147 sonypi_acpi_device = NULL;
1148 return 0;
1149 }
1150
1151 static const struct acpi_device_id sonypi_device_ids[] = {
1152 {"SNY6001", 0},
1153 {"", 0},
1154 };
1155
1156 static struct acpi_driver sonypi_acpi_driver = {
1157 .name = "sonypi",
1158 .class = "hkey",
1159 .ids = sonypi_device_ids,
1160 .ops = {
1161 .add = sonypi_acpi_add,
1162 .remove = sonypi_acpi_remove,
1163 },
1164 };
1165 #endif
1166
1167 static int sonypi_create_input_devices(struct platform_device *pdev)
1168 {
1169 struct input_dev *jog_dev;
1170 struct input_dev *key_dev;
1171 int i;
1172 int error;
1173
1174 sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1175 if (!jog_dev)
1176 return -ENOMEM;
1177
1178 jog_dev->name = "Sony Vaio Jogdial";
1179 jog_dev->id.bustype = BUS_ISA;
1180 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1181 jog_dev->dev.parent = &pdev->dev;
1182
1183 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1184 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1185 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1186
1187 sonypi_device.input_key_dev = key_dev = input_allocate_device();
1188 if (!key_dev) {
1189 error = -ENOMEM;
1190 goto err_free_jogdev;
1191 }
1192
1193 key_dev->name = "Sony Vaio Keys";
1194 key_dev->id.bustype = BUS_ISA;
1195 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1196 key_dev->dev.parent = &pdev->dev;
1197
1198 /* Initialize the Input Drivers: special keys */
1199 key_dev->evbit[0] = BIT_MASK(EV_KEY);
1200 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1201 if (sonypi_inputkeys[i].inputev)
1202 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1203
1204 error = input_register_device(jog_dev);
1205 if (error)
1206 goto err_free_keydev;
1207
1208 error = input_register_device(key_dev);
1209 if (error)
1210 goto err_unregister_jogdev;
1211
1212 return 0;
1213
1214 err_unregister_jogdev:
1215 input_unregister_device(jog_dev);
1216 /* Set to NULL so we don't free it again below */
1217 jog_dev = NULL;
1218 err_free_keydev:
1219 input_free_device(key_dev);
1220 sonypi_device.input_key_dev = NULL;
1221 err_free_jogdev:
1222 input_free_device(jog_dev);
1223 sonypi_device.input_jog_dev = NULL;
1224
1225 return error;
1226 }
1227
1228 static int sonypi_setup_ioports(struct sonypi_device *dev,
1229 const struct sonypi_ioport_list *ioport_list)
1230 {
1231 /* try to detect if sony-laptop is being used and thus
1232 * has already requested one of the known ioports.
1233 * As in the deprecated check_region this is racy has we have
1234 * multiple ioports available and one of them can be requested
1235 * between this check and the subsequent request. Anyway, as an
1236 * attempt to be some more user-friendly as we currently are,
1237 * this is enough.
1238 */
1239 const struct sonypi_ioport_list *check = ioport_list;
1240 while (check_ioport && check->port1) {
1241 if (!request_region(check->port1,
1242 sonypi_device.region_size,
1243 "Sony Programmable I/O Device Check")) {
1244 printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1245 "if not use check_ioport=0\n",
1246 check->port1);
1247 return -EBUSY;
1248 }
1249 release_region(check->port1, sonypi_device.region_size);
1250 check++;
1251 }
1252
1253 while (ioport_list->port1) {
1254
1255 if (request_region(ioport_list->port1,
1256 sonypi_device.region_size,
1257 "Sony Programmable I/O Device")) {
1258 dev->ioport1 = ioport_list->port1;
1259 dev->ioport2 = ioport_list->port2;
1260 return 0;
1261 }
1262 ioport_list++;
1263 }
1264
1265 return -EBUSY;
1266 }
1267
1268 static int sonypi_setup_irq(struct sonypi_device *dev,
1269 const struct sonypi_irq_list *irq_list)
1270 {
1271 while (irq_list->irq) {
1272
1273 if (!request_irq(irq_list->irq, sonypi_irq,
1274 IRQF_SHARED, "sonypi", sonypi_irq)) {
1275 dev->irq = irq_list->irq;
1276 dev->bits = irq_list->bits;
1277 return 0;
1278 }
1279 irq_list++;
1280 }
1281
1282 return -EBUSY;
1283 }
1284
1285 static void sonypi_display_info(void)
1286 {
1287 printk(KERN_INFO "sonypi: detected type%d model, "
1288 "verbose = %d, fnkeyinit = %s, camera = %s, "
1289 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1290 sonypi_device.model,
1291 verbose,
1292 fnkeyinit ? "on" : "off",
1293 camera ? "on" : "off",
1294 compat ? "on" : "off",
1295 mask,
1296 useinput ? "on" : "off",
1297 SONYPI_ACPI_ACTIVE ? "on" : "off");
1298 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1299 sonypi_device.irq,
1300 sonypi_device.ioport1, sonypi_device.ioport2);
1301
1302 if (minor == -1)
1303 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1304 sonypi_misc_device.minor);
1305 }
1306
1307 static int sonypi_probe(struct platform_device *dev)
1308 {
1309 const struct sonypi_ioport_list *ioport_list;
1310 const struct sonypi_irq_list *irq_list;
1311 struct pci_dev *pcidev;
1312 int error;
1313
1314 printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1315 "and report failures, see also "
1316 "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1317
1318 spin_lock_init(&sonypi_device.fifo_lock);
1319 error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1320 if (error) {
1321 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1322 return error;
1323 }
1324
1325 init_waitqueue_head(&sonypi_device.fifo_proc_list);
1326 mutex_init(&sonypi_device.lock);
1327 sonypi_device.bluetooth_power = -1;
1328
1329 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1330 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1331 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1332 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1333 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1334 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1335 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1336 PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1337 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1338 else
1339 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1340
1341 if (pcidev && pci_enable_device(pcidev)) {
1342 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1343 error = -EIO;
1344 goto err_put_pcidev;
1345 }
1346
1347 sonypi_device.dev = pcidev;
1348
1349 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1350 ioport_list = sonypi_type1_ioport_list;
1351 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1352 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1353 irq_list = sonypi_type1_irq_list;
1354 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1355 ioport_list = sonypi_type2_ioport_list;
1356 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1357 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1358 irq_list = sonypi_type2_irq_list;
1359 } else {
1360 ioport_list = sonypi_type3_ioport_list;
1361 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1362 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1363 irq_list = sonypi_type3_irq_list;
1364 }
1365
1366 error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1367 if (error) {
1368 printk(KERN_ERR "sonypi: failed to request ioports\n");
1369 goto err_disable_pcidev;
1370 }
1371
1372 error = sonypi_setup_irq(&sonypi_device, irq_list);
1373 if (error) {
1374 printk(KERN_ERR "sonypi: request_irq failed\n");
1375 goto err_free_ioports;
1376 }
1377
1378 if (minor != -1)
1379 sonypi_misc_device.minor = minor;
1380 error = misc_register(&sonypi_misc_device);
1381 if (error) {
1382 printk(KERN_ERR "sonypi: misc_register failed\n");
1383 goto err_free_irq;
1384 }
1385
1386 sonypi_display_info();
1387
1388 if (useinput) {
1389
1390 error = sonypi_create_input_devices(dev);
1391 if (error) {
1392 printk(KERN_ERR
1393 "sonypi: failed to create input devices\n");
1394 goto err_miscdev_unregister;
1395 }
1396
1397 spin_lock_init(&sonypi_device.input_fifo_lock);
1398 error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1399 GFP_KERNEL);
1400 if (error) {
1401 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1402 goto err_inpdev_unregister;
1403 }
1404
1405 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1406 }
1407
1408 sonypi_enable(0);
1409
1410 return 0;
1411
1412 err_inpdev_unregister:
1413 input_unregister_device(sonypi_device.input_key_dev);
1414 input_unregister_device(sonypi_device.input_jog_dev);
1415 err_miscdev_unregister:
1416 misc_deregister(&sonypi_misc_device);
1417 err_free_irq:
1418 free_irq(sonypi_device.irq, sonypi_irq);
1419 err_free_ioports:
1420 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1421 err_disable_pcidev:
1422 if (pcidev)
1423 pci_disable_device(pcidev);
1424 err_put_pcidev:
1425 pci_dev_put(pcidev);
1426 kfifo_free(&sonypi_device.fifo);
1427
1428 return error;
1429 }
1430
1431 static int sonypi_remove(struct platform_device *dev)
1432 {
1433 sonypi_disable();
1434
1435 synchronize_irq(sonypi_device.irq);
1436 flush_work(&sonypi_device.input_work);
1437
1438 if (useinput) {
1439 input_unregister_device(sonypi_device.input_key_dev);
1440 input_unregister_device(sonypi_device.input_jog_dev);
1441 kfifo_free(&sonypi_device.input_fifo);
1442 }
1443
1444 misc_deregister(&sonypi_misc_device);
1445
1446 free_irq(sonypi_device.irq, sonypi_irq);
1447 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1448
1449 if (sonypi_device.dev) {
1450 pci_disable_device(sonypi_device.dev);
1451 pci_dev_put(sonypi_device.dev);
1452 }
1453
1454 kfifo_free(&sonypi_device.fifo);
1455
1456 return 0;
1457 }
1458
1459 #ifdef CONFIG_PM_SLEEP
1460 static int old_camera_power;
1461
1462 static int sonypi_suspend(struct device *dev)
1463 {
1464 old_camera_power = sonypi_device.camera_power;
1465 sonypi_disable();
1466
1467 return 0;
1468 }
1469
1470 static int sonypi_resume(struct device *dev)
1471 {
1472 sonypi_enable(old_camera_power);
1473 return 0;
1474 }
1475
1476 static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1477 #define SONYPI_PM (&sonypi_pm)
1478 #else
1479 #define SONYPI_PM NULL
1480 #endif
1481
1482 static void sonypi_shutdown(struct platform_device *dev)
1483 {
1484 sonypi_disable();
1485 }
1486
1487 static struct platform_driver sonypi_driver = {
1488 .driver = {
1489 .name = "sonypi",
1490 .owner = THIS_MODULE,
1491 .pm = SONYPI_PM,
1492 },
1493 .probe = sonypi_probe,
1494 .remove = sonypi_remove,
1495 .shutdown = sonypi_shutdown,
1496 };
1497
1498 static struct platform_device *sonypi_platform_device;
1499
1500 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1501 {
1502 .ident = "Sony Vaio",
1503 .matches = {
1504 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1505 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1506 },
1507 },
1508 {
1509 .ident = "Sony Vaio",
1510 .matches = {
1511 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1512 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1513 },
1514 },
1515 { }
1516 };
1517
1518 static int __init sonypi_init(void)
1519 {
1520 int error;
1521
1522 printk(KERN_INFO
1523 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1524 SONYPI_DRIVER_VERSION);
1525
1526 if (!dmi_check_system(sonypi_dmi_table))
1527 return -ENODEV;
1528
1529 error = platform_driver_register(&sonypi_driver);
1530 if (error)
1531 return error;
1532
1533 sonypi_platform_device = platform_device_alloc("sonypi", -1);
1534 if (!sonypi_platform_device) {
1535 error = -ENOMEM;
1536 goto err_driver_unregister;
1537 }
1538
1539 error = platform_device_add(sonypi_platform_device);
1540 if (error)
1541 goto err_free_device;
1542
1543 #ifdef CONFIG_ACPI
1544 if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1545 acpi_driver_registered = 1;
1546 #endif
1547
1548 return 0;
1549
1550 err_free_device:
1551 platform_device_put(sonypi_platform_device);
1552 err_driver_unregister:
1553 platform_driver_unregister(&sonypi_driver);
1554 return error;
1555 }
1556
1557 static void __exit sonypi_exit(void)
1558 {
1559 #ifdef CONFIG_ACPI
1560 if (acpi_driver_registered)
1561 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1562 #endif
1563 platform_device_unregister(sonypi_platform_device);
1564 platform_driver_unregister(&sonypi_driver);
1565 printk(KERN_INFO "sonypi: removed.\n");
1566 }
1567
1568 module_init(sonypi_init);
1569 module_exit(sonypi_exit);
Linux with added FPC-III support