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Merge branch 'mini2440-dev-unlikely' into mini2440-dev
[linux-2.6/mini2440.git] / drivers / char / sonypi.c
blob8c262aaf7c26e2edd5d414e06498871762773120
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/smp_lock.h>
54
55 #include <asm/uaccess.h>
56 #include <asm/io.h>
57 #include <asm/system.h>
58
59 #include <linux/sonypi.h>
60
61 #define SONYPI_DRIVER_VERSION "1.26"
62
63 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
64 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
65 MODULE_LICENSE("GPL");
66 MODULE_VERSION(SONYPI_DRIVER_VERSION);
67
68 static int minor = -1;
69 module_param(minor, int, 0);
70 MODULE_PARM_DESC(minor,
71 "minor number of the misc device, default is -1 (automatic)");
72
73 static int verbose; /* = 0 */
74 module_param(verbose, int, 0644);
75 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
76
77 static int fnkeyinit; /* = 0 */
78 module_param(fnkeyinit, int, 0444);
79 MODULE_PARM_DESC(fnkeyinit,
80 "set this if your Fn keys do not generate any event");
81
82 static int camera; /* = 0 */
83 module_param(camera, int, 0444);
84 MODULE_PARM_DESC(camera,
85 "set this if you have a MotionEye camera (PictureBook series)");
86
87 static int compat; /* = 0 */
88 module_param(compat, int, 0444);
89 MODULE_PARM_DESC(compat,
90 "set this if you want to enable backward compatibility mode");
91
92 static unsigned long mask = 0xffffffff;
93 module_param(mask, ulong, 0644);
94 MODULE_PARM_DESC(mask,
95 "set this to the mask of event you want to enable (see doc)");
96
97 static int useinput = 1;
98 module_param(useinput, int, 0444);
99 MODULE_PARM_DESC(useinput,
100 "set this if you would like sonypi to feed events to the input subsystem");
101
102 static int check_ioport = 1;
103 module_param(check_ioport, int, 0444);
104 MODULE_PARM_DESC(check_ioport,
105 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
106
107 #define SONYPI_DEVICE_MODEL_TYPE1 1
108 #define SONYPI_DEVICE_MODEL_TYPE2 2
109 #define SONYPI_DEVICE_MODEL_TYPE3 3
110
111 /* type1 models use those */
112 #define SONYPI_IRQ_PORT 0x8034
113 #define SONYPI_IRQ_SHIFT 22
114 #define SONYPI_TYPE1_BASE 0x50
115 #define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
116 #define SONYPI_TYPE1_REGION_SIZE 0x08
117 #define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
118
119 /* type2 series specifics */
120 #define SONYPI_SIRQ 0x9b
121 #define SONYPI_SLOB 0x9c
122 #define SONYPI_SHIB 0x9d
123 #define SONYPI_TYPE2_REGION_SIZE 0x20
124 #define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
125
126 /* type3 series specifics */
127 #define SONYPI_TYPE3_BASE 0x40
128 #define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
129 #define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
130 #define SONYPI_TYPE3_REGION_SIZE 0x20
131 #define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
132
133 /* battery / brightness addresses */
134 #define SONYPI_BAT_FLAGS 0x81
135 #define SONYPI_LCD_LIGHT 0x96
136 #define SONYPI_BAT1_PCTRM 0xa0
137 #define SONYPI_BAT1_LEFT 0xa2
138 #define SONYPI_BAT1_MAXRT 0xa4
139 #define SONYPI_BAT2_PCTRM 0xa8
140 #define SONYPI_BAT2_LEFT 0xaa
141 #define SONYPI_BAT2_MAXRT 0xac
142 #define SONYPI_BAT1_MAXTK 0xb0
143 #define SONYPI_BAT1_FULL 0xb2
144 #define SONYPI_BAT2_MAXTK 0xb8
145 #define SONYPI_BAT2_FULL 0xba
146
147 /* FAN0 information (reverse engineered from ACPI tables) */
148 #define SONYPI_FAN0_STATUS 0x93
149 #define SONYPI_TEMP_STATUS 0xC1
150
151 /* ioports used for brightness and type2 events */
152 #define SONYPI_DATA_IOPORT 0x62
153 #define SONYPI_CST_IOPORT 0x66
154
155 /* The set of possible ioports */
156 struct sonypi_ioport_list {
157 u16 port1;
158 u16 port2;
159 };
160
161 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
162 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
163 { 0x1080, 0x1084 },
164 { 0x1090, 0x1094 },
165 { 0x10a0, 0x10a4 },
166 { 0x10b0, 0x10b4 },
167 { 0x0, 0x0 }
168 };
169
170 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
171 { 0x1080, 0x1084 },
172 { 0x10a0, 0x10a4 },
173 { 0x10c0, 0x10c4 },
174 { 0x10e0, 0x10e4 },
175 { 0x0, 0x0 }
176 };
177
178 /* same as in type 2 models */
179 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
180 sonypi_type2_ioport_list;
181
182 /* The set of possible interrupts */
183 struct sonypi_irq_list {
184 u16 irq;
185 u16 bits;
186 };
187
188 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
189 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
190 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
191 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
192 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
193 };
194
195 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
196 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
197 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
198 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
199 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
200 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
201 };
202
203 /* same as in type2 models */
204 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
205
206 #define SONYPI_CAMERA_BRIGHTNESS 0
207 #define SONYPI_CAMERA_CONTRAST 1
208 #define SONYPI_CAMERA_HUE 2
209 #define SONYPI_CAMERA_COLOR 3
210 #define SONYPI_CAMERA_SHARPNESS 4
211
212 #define SONYPI_CAMERA_PICTURE 5
213 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
214 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
215 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
216 #define SONYPI_CAMERA_MUTE_MASK 0x40
217
218 /* the rest don't need a loop until not 0xff */
219 #define SONYPI_CAMERA_AGC 6
220 #define SONYPI_CAMERA_AGC_MASK 0x30
221 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
222
223 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
224 #define SONYPI_CAMERA_CONTROL 0x10
225
226 #define SONYPI_CAMERA_STATUS 7
227 #define SONYPI_CAMERA_STATUS_READY 0x2
228 #define SONYPI_CAMERA_STATUS_POSITION 0x4
229
230 #define SONYPI_DIRECTION_BACKWARDS 0x4
231
232 #define SONYPI_CAMERA_REVISION 8
233 #define SONYPI_CAMERA_ROMVERSION 9
234
235 /* Event masks */
236 #define SONYPI_JOGGER_MASK 0x00000001
237 #define SONYPI_CAPTURE_MASK 0x00000002
238 #define SONYPI_FNKEY_MASK 0x00000004
239 #define SONYPI_BLUETOOTH_MASK 0x00000008
240 #define SONYPI_PKEY_MASK 0x00000010
241 #define SONYPI_BACK_MASK 0x00000020
242 #define SONYPI_HELP_MASK 0x00000040
243 #define SONYPI_LID_MASK 0x00000080
244 #define SONYPI_ZOOM_MASK 0x00000100
245 #define SONYPI_THUMBPHRASE_MASK 0x00000200
246 #define SONYPI_MEYE_MASK 0x00000400
247 #define SONYPI_MEMORYSTICK_MASK 0x00000800
248 #define SONYPI_BATTERY_MASK 0x00001000
249 #define SONYPI_WIRELESS_MASK 0x00002000
250
251 struct sonypi_event {
252 u8 data;
253 u8 event;
254 };
255
256 /* The set of possible button release events */
257 static struct sonypi_event sonypi_releaseev[] = {
258 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
259 { 0, 0 }
260 };
261
262 /* The set of possible jogger events */
263 static struct sonypi_event sonypi_joggerev[] = {
264 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
265 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
266 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
267 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
268 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
269 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
270 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
271 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
272 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
273 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
274 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
275 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
276 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
277 { 0, 0 }
278 };
279
280 /* The set of possible capture button events */
281 static struct sonypi_event sonypi_captureev[] = {
282 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
283 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
284 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
285 { 0, 0 }
286 };
287
288 /* The set of possible fnkeys events */
289 static struct sonypi_event sonypi_fnkeyev[] = {
290 { 0x10, SONYPI_EVENT_FNKEY_ESC },
291 { 0x11, SONYPI_EVENT_FNKEY_F1 },
292 { 0x12, SONYPI_EVENT_FNKEY_F2 },
293 { 0x13, SONYPI_EVENT_FNKEY_F3 },
294 { 0x14, SONYPI_EVENT_FNKEY_F4 },
295 { 0x15, SONYPI_EVENT_FNKEY_F5 },
296 { 0x16, SONYPI_EVENT_FNKEY_F6 },
297 { 0x17, SONYPI_EVENT_FNKEY_F7 },
298 { 0x18, SONYPI_EVENT_FNKEY_F8 },
299 { 0x19, SONYPI_EVENT_FNKEY_F9 },
300 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
301 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
302 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
303 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
304 { 0x21, SONYPI_EVENT_FNKEY_1 },
305 { 0x22, SONYPI_EVENT_FNKEY_2 },
306 { 0x31, SONYPI_EVENT_FNKEY_D },
307 { 0x32, SONYPI_EVENT_FNKEY_E },
308 { 0x33, SONYPI_EVENT_FNKEY_F },
309 { 0x34, SONYPI_EVENT_FNKEY_S },
310 { 0x35, SONYPI_EVENT_FNKEY_B },
311 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
312 { 0, 0 }
313 };
314
315 /* The set of possible program key events */
316 static struct sonypi_event sonypi_pkeyev[] = {
317 { 0x01, SONYPI_EVENT_PKEY_P1 },
318 { 0x02, SONYPI_EVENT_PKEY_P2 },
319 { 0x04, SONYPI_EVENT_PKEY_P3 },
320 { 0x5c, SONYPI_EVENT_PKEY_P1 },
321 { 0, 0 }
322 };
323
324 /* The set of possible bluetooth events */
325 static struct sonypi_event sonypi_blueev[] = {
326 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
327 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
328 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
329 { 0, 0 }
330 };
331
332 /* The set of possible wireless events */
333 static struct sonypi_event sonypi_wlessev[] = {
334 { 0x59, SONYPI_EVENT_WIRELESS_ON },
335 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
336 { 0, 0 }
337 };
338
339 /* The set of possible back button events */
340 static struct sonypi_event sonypi_backev[] = {
341 { 0x20, SONYPI_EVENT_BACK_PRESSED },
342 { 0, 0 }
343 };
344
345 /* The set of possible help button events */
346 static struct sonypi_event sonypi_helpev[] = {
347 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
348 { 0, 0 }
349 };
350
351
352 /* The set of possible lid events */
353 static struct sonypi_event sonypi_lidev[] = {
354 { 0x51, SONYPI_EVENT_LID_CLOSED },
355 { 0x50, SONYPI_EVENT_LID_OPENED },
356 { 0, 0 }
357 };
358
359 /* The set of possible zoom events */
360 static struct sonypi_event sonypi_zoomev[] = {
361 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
362 { 0, 0 }
363 };
364
365 /* The set of possible thumbphrase events */
366 static struct sonypi_event sonypi_thumbphraseev[] = {
367 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
368 { 0, 0 }
369 };
370
371 /* The set of possible motioneye camera events */
372 static struct sonypi_event sonypi_meyeev[] = {
373 { 0x00, SONYPI_EVENT_MEYE_FACE },
374 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
375 { 0, 0 }
376 };
377
378 /* The set of possible memorystick events */
379 static struct sonypi_event sonypi_memorystickev[] = {
380 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
381 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
382 { 0, 0 }
383 };
384
385 /* The set of possible battery events */
386 static struct sonypi_event sonypi_batteryev[] = {
387 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
388 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
389 { 0, 0 }
390 };
391
392 static struct sonypi_eventtypes {
393 int model;
394 u8 data;
395 unsigned long mask;
396 struct sonypi_event * events;
397 } sonypi_eventtypes[] = {
398 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
399 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
400 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
401 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
402 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
403 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
404 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
405 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
406 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
407 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
408
409 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
410 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
411 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
412 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
413 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
414 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
415 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
416 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
417 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
418 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
419 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
420 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
421 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
422 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
423
424 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
425 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
426 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
427 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
428 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
429 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
430 { 0 }
431 };
432
433 #define SONYPI_BUF_SIZE 128
434
435 /* Correspondance table between sonypi events and input layer events */
436 static struct {
437 int sonypiev;
438 int inputev;
439 } sonypi_inputkeys[] = {
440 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
441 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
442 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
443 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
444 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
445 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
446 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
447 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
448 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
449 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
450 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
451 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
452 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
453 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
454 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
455 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
456 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
457 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
458 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
459 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
460 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
461 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
462 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
463 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
464 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
465 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
466 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
467 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
468 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
469 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
470 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
471 { 0, 0 },
472 };
473
474 struct sonypi_keypress {
475 struct input_dev *dev;
476 int key;
477 };
478
479 static struct sonypi_device {
480 struct pci_dev *dev;
481 u16 irq;
482 u16 bits;
483 u16 ioport1;
484 u16 ioport2;
485 u16 region_size;
486 u16 evtype_offset;
487 int camera_power;
488 int bluetooth_power;
489 struct mutex lock;
490 struct kfifo *fifo;
491 spinlock_t fifo_lock;
492 wait_queue_head_t fifo_proc_list;
493 struct fasync_struct *fifo_async;
494 int open_count;
495 int model;
496 struct input_dev *input_jog_dev;
497 struct input_dev *input_key_dev;
498 struct work_struct input_work;
499 struct kfifo *input_fifo;
500 spinlock_t input_fifo_lock;
501 } sonypi_device;
502
503 #define ITERATIONS_LONG 10000
504 #define ITERATIONS_SHORT 10
505
506 #define wait_on_command(quiet, command, iterations) { \
507 unsigned int n = iterations; \
508 while (--n && (command)) \
509 udelay(1); \
510 if (!n && (verbose || !quiet)) \
511 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
512 }
513
514 #ifdef CONFIG_ACPI
515 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
516 #else
517 #define SONYPI_ACPI_ACTIVE 0
518 #endif /* CONFIG_ACPI */
519
520 #ifdef CONFIG_ACPI
521 static struct acpi_device *sonypi_acpi_device;
522 static int acpi_driver_registered;
523 #endif
524
525 static int sonypi_ec_write(u8 addr, u8 value)
526 {
527 #ifdef CONFIG_ACPI
528 if (SONYPI_ACPI_ACTIVE)
529 return ec_write(addr, value);
530 #endif
531 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
532 outb_p(0x81, SONYPI_CST_IOPORT);
533 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
534 outb_p(addr, SONYPI_DATA_IOPORT);
535 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
536 outb_p(value, SONYPI_DATA_IOPORT);
537 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
538 return 0;
539 }
540
541 static int sonypi_ec_read(u8 addr, u8 *value)
542 {
543 #ifdef CONFIG_ACPI
544 if (SONYPI_ACPI_ACTIVE)
545 return ec_read(addr, value);
546 #endif
547 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
548 outb_p(0x80, SONYPI_CST_IOPORT);
549 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
550 outb_p(addr, SONYPI_DATA_IOPORT);
551 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
552 *value = inb_p(SONYPI_DATA_IOPORT);
553 return 0;
554 }
555
556 static int ec_read16(u8 addr, u16 *value)
557 {
558 u8 val_lb, val_hb;
559 if (sonypi_ec_read(addr, &val_lb))
560 return -1;
561 if (sonypi_ec_read(addr + 1, &val_hb))
562 return -1;
563 *value = val_lb | (val_hb << 8);
564 return 0;
565 }
566
567 /* Initializes the device - this comes from the AML code in the ACPI bios */
568 static void sonypi_type1_srs(void)
569 {
570 u32 v;
571
572 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
573 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
574 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
575
576 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
577 v = (v & 0xFFF0FFFF) |
578 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
579 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
580
581 v = inl(SONYPI_IRQ_PORT);
582 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
583 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
584 outl(v, SONYPI_IRQ_PORT);
585
586 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
587 v = (v & 0xFF1FFFFF) | 0x00C00000;
588 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
589 }
590
591 static void sonypi_type2_srs(void)
592 {
593 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
594 printk(KERN_WARNING "ec_write failed\n");
595 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
596 printk(KERN_WARNING "ec_write failed\n");
597 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
598 printk(KERN_WARNING "ec_write failed\n");
599 udelay(10);
600 }
601
602 static void sonypi_type3_srs(void)
603 {
604 u16 v16;
605 u8 v8;
606
607 /* This model type uses the same initialiazation of
608 * the embedded controller as the type2 models. */
609 sonypi_type2_srs();
610
611 /* Initialization of PCI config space of the LPC interface bridge. */
612 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
613 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
614 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
615 v8 = (v8 & 0xCF) | 0x10;
616 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
617 }
618
619 /* Disables the device - this comes from the AML code in the ACPI bios */
620 static void sonypi_type1_dis(void)
621 {
622 u32 v;
623
624 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
625 v = v & 0xFF3FFFFF;
626 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
627
628 v = inl(SONYPI_IRQ_PORT);
629 v |= (0x3 << SONYPI_IRQ_SHIFT);
630 outl(v, SONYPI_IRQ_PORT);
631 }
632
633 static void sonypi_type2_dis(void)
634 {
635 if (sonypi_ec_write(SONYPI_SHIB, 0))
636 printk(KERN_WARNING "ec_write failed\n");
637 if (sonypi_ec_write(SONYPI_SLOB, 0))
638 printk(KERN_WARNING "ec_write failed\n");
639 if (sonypi_ec_write(SONYPI_SIRQ, 0))
640 printk(KERN_WARNING "ec_write failed\n");
641 }
642
643 static void sonypi_type3_dis(void)
644 {
645 sonypi_type2_dis();
646 udelay(10);
647 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
648 }
649
650 static u8 sonypi_call1(u8 dev)
651 {
652 u8 v1, v2;
653
654 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
655 outb(dev, sonypi_device.ioport2);
656 v1 = inb_p(sonypi_device.ioport2);
657 v2 = inb_p(sonypi_device.ioport1);
658 return v2;
659 }
660
661 static u8 sonypi_call2(u8 dev, u8 fn)
662 {
663 u8 v1;
664
665 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
666 outb(dev, sonypi_device.ioport2);
667 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
668 outb(fn, sonypi_device.ioport1);
669 v1 = inb_p(sonypi_device.ioport1);
670 return v1;
671 }
672
673 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
674 {
675 u8 v1;
676
677 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
678 outb(dev, sonypi_device.ioport2);
679 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
680 outb(fn, sonypi_device.ioport1);
681 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
682 outb(v, sonypi_device.ioport1);
683 v1 = inb_p(sonypi_device.ioport1);
684 return v1;
685 }
686
687 #if 0
688 /* Get brightness, hue etc. Unreliable... */
689 static u8 sonypi_read(u8 fn)
690 {
691 u8 v1, v2;
692 int n = 100;
693
694 while (n--) {
695 v1 = sonypi_call2(0x8f, fn);
696 v2 = sonypi_call2(0x8f, fn);
697 if (v1 == v2 && v1 != 0xff)
698 return v1;
699 }
700 return 0xff;
701 }
702 #endif
703
704 /* Set brightness, hue etc */
705 static void sonypi_set(u8 fn, u8 v)
706 {
707 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
708 }
709
710 /* Tests if the camera is ready */
711 static int sonypi_camera_ready(void)
712 {
713 u8 v;
714
715 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
716 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
717 }
718
719 /* Turns the camera off */
720 static void sonypi_camera_off(void)
721 {
722 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
723
724 if (!sonypi_device.camera_power)
725 return;
726
727 sonypi_call2(0x91, 0);
728 sonypi_device.camera_power = 0;
729 }
730
731 /* Turns the camera on */
732 static void sonypi_camera_on(void)
733 {
734 int i, j;
735
736 if (sonypi_device.camera_power)
737 return;
738
739 for (j = 5; j > 0; j--) {
740
741 while (sonypi_call2(0x91, 0x1))
742 msleep(10);
743 sonypi_call1(0x93);
744
745 for (i = 400; i > 0; i--) {
746 if (sonypi_camera_ready())
747 break;
748 msleep(10);
749 }
750 if (i)
751 break;
752 }
753
754 if (j == 0) {
755 printk(KERN_WARNING "sonypi: failed to power on camera\n");
756 return;
757 }
758
759 sonypi_set(0x10, 0x5a);
760 sonypi_device.camera_power = 1;
761 }
762
763 /* sets the bluetooth subsystem power state */
764 static void sonypi_setbluetoothpower(u8 state)
765 {
766 state = !!state;
767
768 if (sonypi_device.bluetooth_power == state)
769 return;
770
771 sonypi_call2(0x96, state);
772 sonypi_call1(0x82);
773 sonypi_device.bluetooth_power = state;
774 }
775
776 static void input_keyrelease(struct work_struct *work)
777 {
778 struct sonypi_keypress kp;
779
780 while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
781 sizeof(kp)) == 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_put(sonypi_device.input_fifo,
831 (unsigned char *)&kp, sizeof(kp));
832 schedule_work(&sonypi_device.input_work);
833 }
834 }
835
836 /* Interrupt handler: some event is available */
837 static irqreturn_t sonypi_irq(int irq, void *dev_id)
838 {
839 u8 v1, v2, event = 0;
840 int i, j;
841
842 v1 = inb_p(sonypi_device.ioport1);
843 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
844
845 for (i = 0; sonypi_eventtypes[i].model; i++) {
846 if (sonypi_device.model != sonypi_eventtypes[i].model)
847 continue;
848 if ((v2 & sonypi_eventtypes[i].data) !=
849 sonypi_eventtypes[i].data)
850 continue;
851 if (!(mask & sonypi_eventtypes[i].mask))
852 continue;
853 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
854 if (v1 == sonypi_eventtypes[i].events[j].data) {
855 event = sonypi_eventtypes[i].events[j].event;
856 goto found;
857 }
858 }
859 }
860
861 if (verbose)
862 printk(KERN_WARNING
863 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
864 v1, v2);
865 /* We need to return IRQ_HANDLED here because there *are*
866 * events belonging to the sonypi device we don't know about,
867 * but we still don't want those to pollute the logs... */
868 return IRQ_HANDLED;
869
870 found:
871 if (verbose > 1)
872 printk(KERN_INFO
873 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
874
875 if (useinput)
876 sonypi_report_input_event(event);
877
878 #ifdef CONFIG_ACPI
879 if (sonypi_acpi_device)
880 acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
881 #endif
882
883 kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
884 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
885 wake_up_interruptible(&sonypi_device.fifo_proc_list);
886
887 return IRQ_HANDLED;
888 }
889
890 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
891 {
892 return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
893 }
894
895 static int sonypi_misc_release(struct inode *inode, struct file *file)
896 {
897 mutex_lock(&sonypi_device.lock);
898 sonypi_device.open_count--;
899 mutex_unlock(&sonypi_device.lock);
900 return 0;
901 }
902
903 static int sonypi_misc_open(struct inode *inode, struct file *file)
904 {
905 lock_kernel();
906 mutex_lock(&sonypi_device.lock);
907 /* Flush input queue on first open */
908 if (!sonypi_device.open_count)
909 kfifo_reset(sonypi_device.fifo);
910 sonypi_device.open_count++;
911 mutex_unlock(&sonypi_device.lock);
912 unlock_kernel();
913 return 0;
914 }
915
916 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
917 size_t count, loff_t *pos)
918 {
919 ssize_t ret;
920 unsigned char c;
921
922 if ((kfifo_len(sonypi_device.fifo) == 0) &&
923 (file->f_flags & O_NONBLOCK))
924 return -EAGAIN;
925
926 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
927 kfifo_len(sonypi_device.fifo) != 0);
928 if (ret)
929 return ret;
930
931 while (ret < count &&
932 (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
933 if (put_user(c, buf++))
934 return -EFAULT;
935 ret++;
936 }
937
938 if (ret > 0) {
939 struct inode *inode = file->f_path.dentry->d_inode;
940 inode->i_atime = current_fs_time(inode->i_sb);
941 }
942
943 return ret;
944 }
945
946 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
947 {
948 poll_wait(file, &sonypi_device.fifo_proc_list, wait);
949 if (kfifo_len(sonypi_device.fifo))
950 return POLLIN | POLLRDNORM;
951 return 0;
952 }
953
954 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
955 unsigned int cmd, unsigned long arg)
956 {
957 int ret = 0;
958 void __user *argp = (void __user *)arg;
959 u8 val8;
960 u16 val16;
961
962 mutex_lock(&sonypi_device.lock);
963 switch (cmd) {
964 case SONYPI_IOCGBRT:
965 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
966 ret = -EIO;
967 break;
968 }
969 if (copy_to_user(argp, &val8, sizeof(val8)))
970 ret = -EFAULT;
971 break;
972 case SONYPI_IOCSBRT:
973 if (copy_from_user(&val8, argp, sizeof(val8))) {
974 ret = -EFAULT;
975 break;
976 }
977 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
978 ret = -EIO;
979 break;
980 case SONYPI_IOCGBAT1CAP:
981 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
982 ret = -EIO;
983 break;
984 }
985 if (copy_to_user(argp, &val16, sizeof(val16)))
986 ret = -EFAULT;
987 break;
988 case SONYPI_IOCGBAT1REM:
989 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
990 ret = -EIO;
991 break;
992 }
993 if (copy_to_user(argp, &val16, sizeof(val16)))
994 ret = -EFAULT;
995 break;
996 case SONYPI_IOCGBAT2CAP:
997 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
998 ret = -EIO;
999 break;
1000 }
1001 if (copy_to_user(argp, &val16, sizeof(val16)))
1002 ret = -EFAULT;
1003 break;
1004 case SONYPI_IOCGBAT2REM:
1005 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1006 ret = -EIO;
1007 break;
1008 }
1009 if (copy_to_user(argp, &val16, sizeof(val16)))
1010 ret = -EFAULT;
1011 break;
1012 case SONYPI_IOCGBATFLAGS:
1013 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1014 ret = -EIO;
1015 break;
1016 }
1017 val8 &= 0x07;
1018 if (copy_to_user(argp, &val8, sizeof(val8)))
1019 ret = -EFAULT;
1020 break;
1021 case SONYPI_IOCGBLUE:
1022 val8 = sonypi_device.bluetooth_power;
1023 if (copy_to_user(argp, &val8, sizeof(val8)))
1024 ret = -EFAULT;
1025 break;
1026 case SONYPI_IOCSBLUE:
1027 if (copy_from_user(&val8, argp, sizeof(val8))) {
1028 ret = -EFAULT;
1029 break;
1030 }
1031 sonypi_setbluetoothpower(val8);
1032 break;
1033 /* FAN Controls */
1034 case SONYPI_IOCGFAN:
1035 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1036 ret = -EIO;
1037 break;
1038 }
1039 if (copy_to_user(argp, &val8, sizeof(val8)))
1040 ret = -EFAULT;
1041 break;
1042 case SONYPI_IOCSFAN:
1043 if (copy_from_user(&val8, argp, sizeof(val8))) {
1044 ret = -EFAULT;
1045 break;
1046 }
1047 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1048 ret = -EIO;
1049 break;
1050 /* GET Temperature (useful under APM) */
1051 case SONYPI_IOCGTEMP:
1052 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1053 ret = -EIO;
1054 break;
1055 }
1056 if (copy_to_user(argp, &val8, sizeof(val8)))
1057 ret = -EFAULT;
1058 break;
1059 default:
1060 ret = -EINVAL;
1061 }
1062 mutex_unlock(&sonypi_device.lock);
1063 return ret;
1064 }
1065
1066 static const struct file_operations sonypi_misc_fops = {
1067 .owner = THIS_MODULE,
1068 .read = sonypi_misc_read,
1069 .poll = sonypi_misc_poll,
1070 .open = sonypi_misc_open,
1071 .release = sonypi_misc_release,
1072 .fasync = sonypi_misc_fasync,
1073 .ioctl = sonypi_misc_ioctl,
1074 };
1075
1076 static struct miscdevice sonypi_misc_device = {
1077 .minor = MISC_DYNAMIC_MINOR,
1078 .name = "sonypi",
1079 .fops = &sonypi_misc_fops,
1080 };
1081
1082 static void sonypi_enable(unsigned int camera_on)
1083 {
1084 switch (sonypi_device.model) {
1085 case SONYPI_DEVICE_MODEL_TYPE1:
1086 sonypi_type1_srs();
1087 break;
1088 case SONYPI_DEVICE_MODEL_TYPE2:
1089 sonypi_type2_srs();
1090 break;
1091 case SONYPI_DEVICE_MODEL_TYPE3:
1092 sonypi_type3_srs();
1093 break;
1094 }
1095
1096 sonypi_call1(0x82);
1097 sonypi_call2(0x81, 0xff);
1098 sonypi_call1(compat ? 0x92 : 0x82);
1099
1100 /* Enable ACPI mode to get Fn key events */
1101 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1102 outb(0xf0, 0xb2);
1103
1104 if (camera && camera_on)
1105 sonypi_camera_on();
1106 }
1107
1108 static int sonypi_disable(void)
1109 {
1110 sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1111 if (camera)
1112 sonypi_camera_off();
1113
1114 /* disable ACPI mode */
1115 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1116 outb(0xf1, 0xb2);
1117
1118 switch (sonypi_device.model) {
1119 case SONYPI_DEVICE_MODEL_TYPE1:
1120 sonypi_type1_dis();
1121 break;
1122 case SONYPI_DEVICE_MODEL_TYPE2:
1123 sonypi_type2_dis();
1124 break;
1125 case SONYPI_DEVICE_MODEL_TYPE3:
1126 sonypi_type3_dis();
1127 break;
1128 }
1129
1130 return 0;
1131 }
1132
1133 #ifdef CONFIG_ACPI
1134 static int sonypi_acpi_add(struct acpi_device *device)
1135 {
1136 sonypi_acpi_device = device;
1137 strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1138 strcpy(acpi_device_class(device), "sony/hotkey");
1139 return 0;
1140 }
1141
1142 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1143 {
1144 sonypi_acpi_device = NULL;
1145 return 0;
1146 }
1147
1148 static const struct acpi_device_id sonypi_device_ids[] = {
1149 {"SNY6001", 0},
1150 {"", 0},
1151 };
1152
1153 static struct acpi_driver sonypi_acpi_driver = {
1154 .name = "sonypi",
1155 .class = "hkey",
1156 .ids = sonypi_device_ids,
1157 .ops = {
1158 .add = sonypi_acpi_add,
1159 .remove = sonypi_acpi_remove,
1160 },
1161 };
1162 #endif
1163
1164 static int __devinit sonypi_create_input_devices(struct platform_device *pdev)
1165 {
1166 struct input_dev *jog_dev;
1167 struct input_dev *key_dev;
1168 int i;
1169 int error;
1170
1171 sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1172 if (!jog_dev)
1173 return -ENOMEM;
1174
1175 jog_dev->name = "Sony Vaio Jogdial";
1176 jog_dev->id.bustype = BUS_ISA;
1177 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1178 jog_dev->dev.parent = &pdev->dev;
1179
1180 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1181 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1182 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1183
1184 sonypi_device.input_key_dev = key_dev = input_allocate_device();
1185 if (!key_dev) {
1186 error = -ENOMEM;
1187 goto err_free_jogdev;
1188 }
1189
1190 key_dev->name = "Sony Vaio Keys";
1191 key_dev->id.bustype = BUS_ISA;
1192 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1193 key_dev->dev.parent = &pdev->dev;
1194
1195 /* Initialize the Input Drivers: special keys */
1196 key_dev->evbit[0] = BIT_MASK(EV_KEY);
1197 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1198 if (sonypi_inputkeys[i].inputev)
1199 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1200
1201 error = input_register_device(jog_dev);
1202 if (error)
1203 goto err_free_keydev;
1204
1205 error = input_register_device(key_dev);
1206 if (error)
1207 goto err_unregister_jogdev;
1208
1209 return 0;
1210
1211 err_unregister_jogdev:
1212 input_unregister_device(jog_dev);
1213 /* Set to NULL so we don't free it again below */
1214 jog_dev = NULL;
1215 err_free_keydev:
1216 input_free_device(key_dev);
1217 sonypi_device.input_key_dev = NULL;
1218 err_free_jogdev:
1219 input_free_device(jog_dev);
1220 sonypi_device.input_jog_dev = NULL;
1221
1222 return error;
1223 }
1224
1225 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1226 const struct sonypi_ioport_list *ioport_list)
1227 {
1228 /* try to detect if sony-laptop is being used and thus
1229 * has already requested one of the known ioports.
1230 * As in the deprecated check_region this is racy has we have
1231 * multiple ioports available and one of them can be requested
1232 * between this check and the subsequent request. Anyway, as an
1233 * attempt to be some more user-friendly as we currently are,
1234 * this is enough.
1235 */
1236 const struct sonypi_ioport_list *check = ioport_list;
1237 while (check_ioport && check->port1) {
1238 if (!request_region(check->port1,
1239 sonypi_device.region_size,
1240 "Sony Programable I/O Device Check")) {
1241 printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1242 "if not use check_ioport=0\n",
1243 check->port1);
1244 return -EBUSY;
1245 }
1246 release_region(check->port1, sonypi_device.region_size);
1247 check++;
1248 }
1249
1250 while (ioport_list->port1) {
1251
1252 if (request_region(ioport_list->port1,
1253 sonypi_device.region_size,
1254 "Sony Programable I/O Device")) {
1255 dev->ioport1 = ioport_list->port1;
1256 dev->ioport2 = ioport_list->port2;
1257 return 0;
1258 }
1259 ioport_list++;
1260 }
1261
1262 return -EBUSY;
1263 }
1264
1265 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1266 const struct sonypi_irq_list *irq_list)
1267 {
1268 while (irq_list->irq) {
1269
1270 if (!request_irq(irq_list->irq, sonypi_irq,
1271 IRQF_SHARED, "sonypi", sonypi_irq)) {
1272 dev->irq = irq_list->irq;
1273 dev->bits = irq_list->bits;
1274 return 0;
1275 }
1276 irq_list++;
1277 }
1278
1279 return -EBUSY;
1280 }
1281
1282 static void __devinit sonypi_display_info(void)
1283 {
1284 printk(KERN_INFO "sonypi: detected type%d model, "
1285 "verbose = %d, fnkeyinit = %s, camera = %s, "
1286 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1287 sonypi_device.model,
1288 verbose,
1289 fnkeyinit ? "on" : "off",
1290 camera ? "on" : "off",
1291 compat ? "on" : "off",
1292 mask,
1293 useinput ? "on" : "off",
1294 SONYPI_ACPI_ACTIVE ? "on" : "off");
1295 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1296 sonypi_device.irq,
1297 sonypi_device.ioport1, sonypi_device.ioport2);
1298
1299 if (minor == -1)
1300 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1301 sonypi_misc_device.minor);
1302 }
1303
1304 static int __devinit sonypi_probe(struct platform_device *dev)
1305 {
1306 const struct sonypi_ioport_list *ioport_list;
1307 const struct sonypi_irq_list *irq_list;
1308 struct pci_dev *pcidev;
1309 int error;
1310
1311 printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1312 "and report failures, see also "
1313 "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1314
1315 spin_lock_init(&sonypi_device.fifo_lock);
1316 sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1317 &sonypi_device.fifo_lock);
1318 if (IS_ERR(sonypi_device.fifo)) {
1319 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1320 return PTR_ERR(sonypi_device.fifo);
1321 }
1322
1323 init_waitqueue_head(&sonypi_device.fifo_proc_list);
1324 mutex_init(&sonypi_device.lock);
1325 sonypi_device.bluetooth_power = -1;
1326
1327 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1328 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1329 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1330 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1331 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1332 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1333 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1334 PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1335 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1336 else
1337 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1338
1339 if (pcidev && pci_enable_device(pcidev)) {
1340 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1341 error = -EIO;
1342 goto err_put_pcidev;
1343 }
1344
1345 sonypi_device.dev = pcidev;
1346
1347 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1348 ioport_list = sonypi_type1_ioport_list;
1349 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1350 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1351 irq_list = sonypi_type1_irq_list;
1352 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1353 ioport_list = sonypi_type2_ioport_list;
1354 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1355 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1356 irq_list = sonypi_type2_irq_list;
1357 } else {
1358 ioport_list = sonypi_type3_ioport_list;
1359 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1360 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1361 irq_list = sonypi_type3_irq_list;
1362 }
1363
1364 error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1365 if (error) {
1366 printk(KERN_ERR "sonypi: failed to request ioports\n");
1367 goto err_disable_pcidev;
1368 }
1369
1370 error = sonypi_setup_irq(&sonypi_device, irq_list);
1371 if (error) {
1372 printk(KERN_ERR "sonypi: request_irq failed\n");
1373 goto err_free_ioports;
1374 }
1375
1376 if (minor != -1)
1377 sonypi_misc_device.minor = minor;
1378 error = misc_register(&sonypi_misc_device);
1379 if (error) {
1380 printk(KERN_ERR "sonypi: misc_register failed\n");
1381 goto err_free_irq;
1382 }
1383
1384 sonypi_display_info();
1385
1386 if (useinput) {
1387
1388 error = sonypi_create_input_devices(dev);
1389 if (error) {
1390 printk(KERN_ERR
1391 "sonypi: failed to create input devices\n");
1392 goto err_miscdev_unregister;
1393 }
1394
1395 spin_lock_init(&sonypi_device.input_fifo_lock);
1396 sonypi_device.input_fifo =
1397 kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1398 &sonypi_device.input_fifo_lock);
1399 if (IS_ERR(sonypi_device.input_fifo)) {
1400 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1401 error = PTR_ERR(sonypi_device.input_fifo);
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 __devexit sonypi_remove(struct platform_device *dev)
1432 {
1433 sonypi_disable();
1434
1435 synchronize_irq(sonypi_device.irq);
1436 flush_scheduled_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
1460 static int old_camera_power;
1461
1462 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1463 {
1464 old_camera_power = sonypi_device.camera_power;
1465 sonypi_disable();
1466
1467 return 0;
1468 }
1469
1470 static int sonypi_resume(struct platform_device *dev)
1471 {
1472 sonypi_enable(old_camera_power);
1473 return 0;
1474 }
1475 #else
1476 #define sonypi_suspend NULL
1477 #define sonypi_resume NULL
1478 #endif
1479
1480 static void sonypi_shutdown(struct platform_device *dev)
1481 {
1482 sonypi_disable();
1483 }
1484
1485 static struct platform_driver sonypi_driver = {
1486 .driver = {
1487 .name = "sonypi",
1488 .owner = THIS_MODULE,
1489 },
1490 .probe = sonypi_probe,
1491 .remove = __devexit_p(sonypi_remove),
1492 .shutdown = sonypi_shutdown,
1493 .suspend = sonypi_suspend,
1494 .resume = sonypi_resume,
1495 };
1496
1497 static struct platform_device *sonypi_platform_device;
1498
1499 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1500 {
1501 .ident = "Sony Vaio",
1502 .matches = {
1503 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1504 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1505 },
1506 },
1507 {
1508 .ident = "Sony Vaio",
1509 .matches = {
1510 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1511 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1512 },
1513 },
1514 { }
1515 };
1516
1517 static int __init sonypi_init(void)
1518 {
1519 int error;
1520
1521 printk(KERN_INFO
1522 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1523 SONYPI_DRIVER_VERSION);
1524
1525 if (!dmi_check_system(sonypi_dmi_table))
1526 return -ENODEV;
1527
1528 error = platform_driver_register(&sonypi_driver);
1529 if (error)
1530 return error;
1531
1532 sonypi_platform_device = platform_device_alloc("sonypi", -1);
1533 if (!sonypi_platform_device) {
1534 error = -ENOMEM;
1535 goto err_driver_unregister;
1536 }
1537
1538 error = platform_device_add(sonypi_platform_device);
1539 if (error)
1540 goto err_free_device;
1541
1542 #ifdef CONFIG_ACPI
1543 if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1544 acpi_driver_registered = 1;
1545 #endif
1546
1547 return 0;
1548
1549 err_free_device:
1550 platform_device_put(sonypi_platform_device);
1551 err_driver_unregister:
1552 platform_driver_unregister(&sonypi_driver);
1553 return error;
1554 }
1555
1556 static void __exit sonypi_exit(void)
1557 {
1558 #ifdef CONFIG_ACPI
1559 if (acpi_driver_registered)
1560 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1561 #endif
1562 platform_device_unregister(sonypi_platform_device);
1563 platform_driver_unregister(&sonypi_driver);
1564 printk(KERN_INFO "sonypi: removed.\n");
1565 }
1566
1567 module_init(sonypi_init);
1568 module_exit(sonypi_exit);
Support for the Chinese Samsung S3C2440 based development boards