[PATCH] sonypi SPIC initialisation fix
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / char / sonypi.c
1 /*
2 * Sony Programmable I/O Control Device driver for VAIO
3 *
4 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
5 *
6 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
7 *
8 * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
9 *
10 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
11 *
12 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
13 *
14 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
15 *
16 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
17 *
18 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
19 *
20 * This program is free software; you can redistribute it and/or modify
21 * it under the terms of the GNU General Public License as published by
22 * the Free Software Foundation; either version 2 of the License, or
23 * (at your option) any later version.
24 *
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
29 *
30 * You should have received a copy of the GNU General Public License
31 * along with this program; if not, write to the Free Software
32 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33 *
34 */
35
36 #include <linux/config.h>
37 #include <linux/module.h>
38 #include <linux/input.h>
39 #include <linux/pci.h>
40 #include <linux/sched.h>
41 #include <linux/init.h>
42 #include <linux/interrupt.h>
43 #include <linux/miscdevice.h>
44 #include <linux/poll.h>
45 #include <linux/delay.h>
46 #include <linux/wait.h>
47 #include <linux/acpi.h>
48 #include <linux/dmi.h>
49 #include <linux/err.h>
50 #include <linux/kfifo.h>
51
52 #include <asm/uaccess.h>
53 #include <asm/io.h>
54 #include <asm/system.h>
55
56 #include <linux/sonypi.h>
57
58 #define SONYPI_DRIVER_VERSION "1.26"
59
60 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
61 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
62 MODULE_LICENSE("GPL");
63 MODULE_VERSION(SONYPI_DRIVER_VERSION);
64
65 static int minor = -1;
66 module_param(minor, int, 0);
67 MODULE_PARM_DESC(minor,
68 "minor number of the misc device, default is -1 (automatic)");
69
70 static int verbose; /* = 0 */
71 module_param(verbose, int, 0644);
72 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
73
74 static int fnkeyinit; /* = 0 */
75 module_param(fnkeyinit, int, 0444);
76 MODULE_PARM_DESC(fnkeyinit,
77 "set this if your Fn keys do not generate any event");
78
79 static int camera; /* = 0 */
80 module_param(camera, int, 0444);
81 MODULE_PARM_DESC(camera,
82 "set this if you have a MotionEye camera (PictureBook series)");
83
84 static int compat; /* = 0 */
85 module_param(compat, int, 0444);
86 MODULE_PARM_DESC(compat,
87 "set this if you want to enable backward compatibility mode");
88
89 static unsigned long mask = 0xffffffff;
90 module_param(mask, ulong, 0644);
91 MODULE_PARM_DESC(mask,
92 "set this to the mask of event you want to enable (see doc)");
93
94 static int useinput = 1;
95 module_param(useinput, int, 0444);
96 MODULE_PARM_DESC(useinput,
97 "set this if you would like sonypi to feed events to the input subsystem");
98
99 #define SONYPI_DEVICE_MODEL_TYPE1 1
100 #define SONYPI_DEVICE_MODEL_TYPE2 2
101 #define SONYPI_DEVICE_MODEL_TYPE3 3
102
103 /* type1 models use those */
104 #define SONYPI_IRQ_PORT 0x8034
105 #define SONYPI_IRQ_SHIFT 22
106 #define SONYPI_TYPE1_BASE 0x50
107 #define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
108 #define SONYPI_TYPE1_REGION_SIZE 0x08
109 #define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
110
111 /* type2 series specifics */
112 #define SONYPI_SIRQ 0x9b
113 #define SONYPI_SLOB 0x9c
114 #define SONYPI_SHIB 0x9d
115 #define SONYPI_TYPE2_REGION_SIZE 0x20
116 #define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
117
118 /* type3 series specifics */
119 #define SONYPI_TYPE3_BASE 0x40
120 #define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
121 #define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
122 #define SONYPI_TYPE3_REGION_SIZE 0x20
123 #define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
124
125 /* battery / brightness addresses */
126 #define SONYPI_BAT_FLAGS 0x81
127 #define SONYPI_LCD_LIGHT 0x96
128 #define SONYPI_BAT1_PCTRM 0xa0
129 #define SONYPI_BAT1_LEFT 0xa2
130 #define SONYPI_BAT1_MAXRT 0xa4
131 #define SONYPI_BAT2_PCTRM 0xa8
132 #define SONYPI_BAT2_LEFT 0xaa
133 #define SONYPI_BAT2_MAXRT 0xac
134 #define SONYPI_BAT1_MAXTK 0xb0
135 #define SONYPI_BAT1_FULL 0xb2
136 #define SONYPI_BAT2_MAXTK 0xb8
137 #define SONYPI_BAT2_FULL 0xba
138
139 /* FAN0 information (reverse engineered from ACPI tables) */
140 #define SONYPI_FAN0_STATUS 0x93
141 #define SONYPI_TEMP_STATUS 0xC1
142
143 /* ioports used for brightness and type2 events */
144 #define SONYPI_DATA_IOPORT 0x62
145 #define SONYPI_CST_IOPORT 0x66
146
147 /* The set of possible ioports */
148 struct sonypi_ioport_list {
149 u16 port1;
150 u16 port2;
151 };
152
153 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
154 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
155 { 0x1080, 0x1084 },
156 { 0x1090, 0x1094 },
157 { 0x10a0, 0x10a4 },
158 { 0x10b0, 0x10b4 },
159 { 0x0, 0x0 }
160 };
161
162 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
163 { 0x1080, 0x1084 },
164 { 0x10a0, 0x10a4 },
165 { 0x10c0, 0x10c4 },
166 { 0x10e0, 0x10e4 },
167 { 0x0, 0x0 }
168 };
169
170 /* same as in type 2 models */
171 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
172 sonypi_type2_ioport_list;
173
174 /* The set of possible interrupts */
175 struct sonypi_irq_list {
176 u16 irq;
177 u16 bits;
178 };
179
180 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
181 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
182 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
183 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
184 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
185 };
186
187 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
188 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
189 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
190 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
191 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
192 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
193 };
194
195 /* same as in type2 models */
196 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
197
198 #define SONYPI_CAMERA_BRIGHTNESS 0
199 #define SONYPI_CAMERA_CONTRAST 1
200 #define SONYPI_CAMERA_HUE 2
201 #define SONYPI_CAMERA_COLOR 3
202 #define SONYPI_CAMERA_SHARPNESS 4
203
204 #define SONYPI_CAMERA_PICTURE 5
205 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
206 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
207 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
208 #define SONYPI_CAMERA_MUTE_MASK 0x40
209
210 /* the rest don't need a loop until not 0xff */
211 #define SONYPI_CAMERA_AGC 6
212 #define SONYPI_CAMERA_AGC_MASK 0x30
213 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
214
215 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
216 #define SONYPI_CAMERA_CONTROL 0x10
217
218 #define SONYPI_CAMERA_STATUS 7
219 #define SONYPI_CAMERA_STATUS_READY 0x2
220 #define SONYPI_CAMERA_STATUS_POSITION 0x4
221
222 #define SONYPI_DIRECTION_BACKWARDS 0x4
223
224 #define SONYPI_CAMERA_REVISION 8
225 #define SONYPI_CAMERA_ROMVERSION 9
226
227 /* Event masks */
228 #define SONYPI_JOGGER_MASK 0x00000001
229 #define SONYPI_CAPTURE_MASK 0x00000002
230 #define SONYPI_FNKEY_MASK 0x00000004
231 #define SONYPI_BLUETOOTH_MASK 0x00000008
232 #define SONYPI_PKEY_MASK 0x00000010
233 #define SONYPI_BACK_MASK 0x00000020
234 #define SONYPI_HELP_MASK 0x00000040
235 #define SONYPI_LID_MASK 0x00000080
236 #define SONYPI_ZOOM_MASK 0x00000100
237 #define SONYPI_THUMBPHRASE_MASK 0x00000200
238 #define SONYPI_MEYE_MASK 0x00000400
239 #define SONYPI_MEMORYSTICK_MASK 0x00000800
240 #define SONYPI_BATTERY_MASK 0x00001000
241 #define SONYPI_WIRELESS_MASK 0x00002000
242
243 struct sonypi_event {
244 u8 data;
245 u8 event;
246 };
247
248 /* The set of possible button release events */
249 static struct sonypi_event sonypi_releaseev[] = {
250 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
251 { 0, 0 }
252 };
253
254 /* The set of possible jogger events */
255 static struct sonypi_event sonypi_joggerev[] = {
256 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
257 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
258 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
259 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
260 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
261 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
262 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
263 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
264 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
265 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
266 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
267 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
268 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
269 { 0, 0 }
270 };
271
272 /* The set of possible capture button events */
273 static struct sonypi_event sonypi_captureev[] = {
274 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
275 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
276 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
277 { 0, 0 }
278 };
279
280 /* The set of possible fnkeys events */
281 static struct sonypi_event sonypi_fnkeyev[] = {
282 { 0x10, SONYPI_EVENT_FNKEY_ESC },
283 { 0x11, SONYPI_EVENT_FNKEY_F1 },
284 { 0x12, SONYPI_EVENT_FNKEY_F2 },
285 { 0x13, SONYPI_EVENT_FNKEY_F3 },
286 { 0x14, SONYPI_EVENT_FNKEY_F4 },
287 { 0x15, SONYPI_EVENT_FNKEY_F5 },
288 { 0x16, SONYPI_EVENT_FNKEY_F6 },
289 { 0x17, SONYPI_EVENT_FNKEY_F7 },
290 { 0x18, SONYPI_EVENT_FNKEY_F8 },
291 { 0x19, SONYPI_EVENT_FNKEY_F9 },
292 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
293 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
294 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
295 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
296 { 0x21, SONYPI_EVENT_FNKEY_1 },
297 { 0x22, SONYPI_EVENT_FNKEY_2 },
298 { 0x31, SONYPI_EVENT_FNKEY_D },
299 { 0x32, SONYPI_EVENT_FNKEY_E },
300 { 0x33, SONYPI_EVENT_FNKEY_F },
301 { 0x34, SONYPI_EVENT_FNKEY_S },
302 { 0x35, SONYPI_EVENT_FNKEY_B },
303 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
304 { 0, 0 }
305 };
306
307 /* The set of possible program key events */
308 static struct sonypi_event sonypi_pkeyev[] = {
309 { 0x01, SONYPI_EVENT_PKEY_P1 },
310 { 0x02, SONYPI_EVENT_PKEY_P2 },
311 { 0x04, SONYPI_EVENT_PKEY_P3 },
312 { 0x5c, SONYPI_EVENT_PKEY_P1 },
313 { 0, 0 }
314 };
315
316 /* The set of possible bluetooth events */
317 static struct sonypi_event sonypi_blueev[] = {
318 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
319 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
320 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
321 { 0, 0 }
322 };
323
324 /* The set of possible wireless events */
325 static struct sonypi_event sonypi_wlessev[] = {
326 { 0x59, SONYPI_EVENT_WIRELESS_ON },
327 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
328 { 0, 0 }
329 };
330
331 /* The set of possible back button events */
332 static struct sonypi_event sonypi_backev[] = {
333 { 0x20, SONYPI_EVENT_BACK_PRESSED },
334 { 0, 0 }
335 };
336
337 /* The set of possible help button events */
338 static struct sonypi_event sonypi_helpev[] = {
339 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
340 { 0, 0 }
341 };
342
343
344 /* The set of possible lid events */
345 static struct sonypi_event sonypi_lidev[] = {
346 { 0x51, SONYPI_EVENT_LID_CLOSED },
347 { 0x50, SONYPI_EVENT_LID_OPENED },
348 { 0, 0 }
349 };
350
351 /* The set of possible zoom events */
352 static struct sonypi_event sonypi_zoomev[] = {
353 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
354 { 0, 0 }
355 };
356
357 /* The set of possible thumbphrase events */
358 static struct sonypi_event sonypi_thumbphraseev[] = {
359 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
360 { 0, 0 }
361 };
362
363 /* The set of possible motioneye camera events */
364 static struct sonypi_event sonypi_meyeev[] = {
365 { 0x00, SONYPI_EVENT_MEYE_FACE },
366 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
367 { 0, 0 }
368 };
369
370 /* The set of possible memorystick events */
371 static struct sonypi_event sonypi_memorystickev[] = {
372 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
373 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
374 { 0, 0 }
375 };
376
377 /* The set of possible battery events */
378 static struct sonypi_event sonypi_batteryev[] = {
379 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
380 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
381 { 0, 0 }
382 };
383
384 static struct sonypi_eventtypes {
385 int model;
386 u8 data;
387 unsigned long mask;
388 struct sonypi_event * events;
389 } sonypi_eventtypes[] = {
390 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
391 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
392 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
393 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
394 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
395 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
396 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
397 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
398 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
399 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
400
401 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
402 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
403 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
404 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
405 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
406 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
407 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
408 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
409 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_HELP_MASK, sonypi_helpev },
410 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
411 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
412 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
413 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
414 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
415 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
416
417 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
418 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
419 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
420 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
421 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
422 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
423 { 0 }
424 };
425
426 #define SONYPI_BUF_SIZE 128
427
428 /* The name of the devices for the input device drivers */
429 #define SONYPI_JOG_INPUTNAME "Sony Vaio Jogdial"
430 #define SONYPI_KEY_INPUTNAME "Sony Vaio Keys"
431
432 /* Correspondance table between sonypi events and input layer events */
433 static struct {
434 int sonypiev;
435 int inputev;
436 } sonypi_inputkeys[] = {
437 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
438 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
439 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
440 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
441 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
442 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
443 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
444 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
445 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
446 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
447 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
448 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
449 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
450 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
451 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
452 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
453 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
454 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
455 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
456 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
457 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
458 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
459 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
460 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
461 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
462 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
463 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
464 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
465 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
466 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
467 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
468 { 0, 0 },
469 };
470
471 struct sonypi_keypress {
472 struct input_dev *dev;
473 int key;
474 };
475
476 static struct sonypi_device {
477 struct pci_dev *dev;
478 struct platform_device *pdev;
479 u16 irq;
480 u16 bits;
481 u16 ioport1;
482 u16 ioport2;
483 u16 region_size;
484 u16 evtype_offset;
485 int camera_power;
486 int bluetooth_power;
487 struct semaphore lock;
488 struct kfifo *fifo;
489 spinlock_t fifo_lock;
490 wait_queue_head_t fifo_proc_list;
491 struct fasync_struct *fifo_async;
492 int open_count;
493 int model;
494 struct input_dev input_jog_dev;
495 struct input_dev input_key_dev;
496 struct work_struct input_work;
497 struct kfifo *input_fifo;
498 spinlock_t input_fifo_lock;
499 } sonypi_device;
500
501 #define ITERATIONS_LONG 10000
502 #define ITERATIONS_SHORT 10
503
504 #define wait_on_command(quiet, command, iterations) { \
505 unsigned int n = iterations; \
506 while (--n && (command)) \
507 udelay(1); \
508 if (!n && (verbose || !quiet)) \
509 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
510 }
511
512 #ifdef CONFIG_ACPI
513 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
514 #else
515 #define SONYPI_ACPI_ACTIVE 0
516 #endif /* CONFIG_ACPI */
517
518 static int sonypi_ec_write(u8 addr, u8 value)
519 {
520 #ifdef CONFIG_ACPI_EC
521 if (SONYPI_ACPI_ACTIVE)
522 return ec_write(addr, value);
523 #endif
524 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
525 outb_p(0x81, SONYPI_CST_IOPORT);
526 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
527 outb_p(addr, SONYPI_DATA_IOPORT);
528 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
529 outb_p(value, SONYPI_DATA_IOPORT);
530 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
531 return 0;
532 }
533
534 static int sonypi_ec_read(u8 addr, u8 *value)
535 {
536 #ifdef CONFIG_ACPI_EC
537 if (SONYPI_ACPI_ACTIVE)
538 return ec_read(addr, value);
539 #endif
540 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
541 outb_p(0x80, SONYPI_CST_IOPORT);
542 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
543 outb_p(addr, SONYPI_DATA_IOPORT);
544 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
545 *value = inb_p(SONYPI_DATA_IOPORT);
546 return 0;
547 }
548
549 static int ec_read16(u8 addr, u16 *value)
550 {
551 u8 val_lb, val_hb;
552 if (sonypi_ec_read(addr, &val_lb))
553 return -1;
554 if (sonypi_ec_read(addr + 1, &val_hb))
555 return -1;
556 *value = val_lb | (val_hb << 8);
557 return 0;
558 }
559
560 /* Initializes the device - this comes from the AML code in the ACPI bios */
561 static void sonypi_type1_srs(void)
562 {
563 u32 v;
564
565 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
566 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
567 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
568
569 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
570 v = (v & 0xFFF0FFFF) |
571 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
572 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
573
574 v = inl(SONYPI_IRQ_PORT);
575 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
576 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
577 outl(v, SONYPI_IRQ_PORT);
578
579 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
580 v = (v & 0xFF1FFFFF) | 0x00C00000;
581 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
582 }
583
584 static void sonypi_type2_srs(void)
585 {
586 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
587 printk(KERN_WARNING "ec_write failed\n");
588 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
589 printk(KERN_WARNING "ec_write failed\n");
590 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
591 printk(KERN_WARNING "ec_write failed\n");
592 udelay(10);
593 }
594
595 static void sonypi_type3_srs(void)
596 {
597 u16 v16;
598 u8 v8;
599
600 /* This model type uses the same initialiazation of
601 * the embedded controller as the type2 models. */
602 sonypi_type2_srs();
603
604 /* Initialization of PCI config space of the LPC interface bridge. */
605 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
606 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
607 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
608 v8 = (v8 & 0xCF) | 0x10;
609 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
610 }
611
612 /* Disables the device - this comes from the AML code in the ACPI bios */
613 static void sonypi_type1_dis(void)
614 {
615 u32 v;
616
617 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
618 v = v & 0xFF3FFFFF;
619 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
620
621 v = inl(SONYPI_IRQ_PORT);
622 v |= (0x3 << SONYPI_IRQ_SHIFT);
623 outl(v, SONYPI_IRQ_PORT);
624 }
625
626 static void sonypi_type2_dis(void)
627 {
628 if (sonypi_ec_write(SONYPI_SHIB, 0))
629 printk(KERN_WARNING "ec_write failed\n");
630 if (sonypi_ec_write(SONYPI_SLOB, 0))
631 printk(KERN_WARNING "ec_write failed\n");
632 if (sonypi_ec_write(SONYPI_SIRQ, 0))
633 printk(KERN_WARNING "ec_write failed\n");
634 }
635
636 static void sonypi_type3_dis(void)
637 {
638 sonypi_type2_dis();
639 udelay(10);
640 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
641 }
642
643 static u8 sonypi_call1(u8 dev)
644 {
645 u8 v1, v2;
646
647 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
648 outb(dev, sonypi_device.ioport2);
649 v1 = inb_p(sonypi_device.ioport2);
650 v2 = inb_p(sonypi_device.ioport1);
651 return v2;
652 }
653
654 static u8 sonypi_call2(u8 dev, u8 fn)
655 {
656 u8 v1;
657
658 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
659 outb(dev, sonypi_device.ioport2);
660 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
661 outb(fn, sonypi_device.ioport1);
662 v1 = inb_p(sonypi_device.ioport1);
663 return v1;
664 }
665
666 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
667 {
668 u8 v1;
669
670 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
671 outb(dev, sonypi_device.ioport2);
672 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
673 outb(fn, sonypi_device.ioport1);
674 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
675 outb(v, sonypi_device.ioport1);
676 v1 = inb_p(sonypi_device.ioport1);
677 return v1;
678 }
679
680 #if 0
681 /* Get brightness, hue etc. Unreliable... */
682 static u8 sonypi_read(u8 fn)
683 {
684 u8 v1, v2;
685 int n = 100;
686
687 while (n--) {
688 v1 = sonypi_call2(0x8f, fn);
689 v2 = sonypi_call2(0x8f, fn);
690 if (v1 == v2 && v1 != 0xff)
691 return v1;
692 }
693 return 0xff;
694 }
695 #endif
696
697 /* Set brightness, hue etc */
698 static void sonypi_set(u8 fn, u8 v)
699 {
700 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
701 }
702
703 /* Tests if the camera is ready */
704 static int sonypi_camera_ready(void)
705 {
706 u8 v;
707
708 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
709 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
710 }
711
712 /* Turns the camera off */
713 static void sonypi_camera_off(void)
714 {
715 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
716
717 if (!sonypi_device.camera_power)
718 return;
719
720 sonypi_call2(0x91, 0);
721 sonypi_device.camera_power = 0;
722 }
723
724 /* Turns the camera on */
725 static void sonypi_camera_on(void)
726 {
727 int i, j;
728
729 if (sonypi_device.camera_power)
730 return;
731
732 for (j = 5; j > 0; j--) {
733
734 while (sonypi_call2(0x91, 0x1))
735 msleep(10);
736 sonypi_call1(0x93);
737
738 for (i = 400; i > 0; i--) {
739 if (sonypi_camera_ready())
740 break;
741 msleep(10);
742 }
743 if (i)
744 break;
745 }
746
747 if (j == 0) {
748 printk(KERN_WARNING "sonypi: failed to power on camera\n");
749 return;
750 }
751
752 sonypi_set(0x10, 0x5a);
753 sonypi_device.camera_power = 1;
754 }
755
756 /* sets the bluetooth subsystem power state */
757 static void sonypi_setbluetoothpower(u8 state)
758 {
759 state = !!state;
760
761 if (sonypi_device.bluetooth_power == state)
762 return;
763
764 sonypi_call2(0x96, state);
765 sonypi_call1(0x82);
766 sonypi_device.bluetooth_power = state;
767 }
768
769 static void input_keyrelease(void *data)
770 {
771 struct sonypi_keypress kp;
772
773 while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
774 sizeof(kp)) == sizeof(kp)) {
775 msleep(10);
776 input_report_key(kp.dev, kp.key, 0);
777 input_sync(kp.dev);
778 }
779 }
780
781 static void sonypi_report_input_event(u8 event)
782 {
783 struct input_dev *jog_dev = &sonypi_device.input_jog_dev;
784 struct input_dev *key_dev = &sonypi_device.input_key_dev;
785 struct sonypi_keypress kp = { NULL };
786 int i;
787
788 switch (event) {
789 case SONYPI_EVENT_JOGDIAL_UP:
790 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
791 input_report_rel(jog_dev, REL_WHEEL, 1);
792 input_sync(jog_dev);
793 break;
794
795 case SONYPI_EVENT_JOGDIAL_DOWN:
796 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
797 input_report_rel(jog_dev, REL_WHEEL, -1);
798 input_sync(jog_dev);
799 break;
800
801 case SONYPI_EVENT_JOGDIAL_PRESSED:
802 kp.key = BTN_MIDDLE;
803 kp.dev = jog_dev;
804 break;
805
806 case SONYPI_EVENT_FNKEY_RELEASED:
807 /* Nothing, not all VAIOs generate this event */
808 break;
809
810 default:
811 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
812 if (event == sonypi_inputkeys[i].sonypiev) {
813 kp.dev = key_dev;
814 kp.key = sonypi_inputkeys[i].inputev;
815 break;
816 }
817 break;
818 }
819
820 if (kp.dev) {
821 input_report_key(kp.dev, kp.key, 1);
822 input_sync(kp.dev);
823 kfifo_put(sonypi_device.input_fifo,
824 (unsigned char *)&kp, sizeof(kp));
825 schedule_work(&sonypi_device.input_work);
826 }
827 }
828
829 /* Interrupt handler: some event is available */
830 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
831 {
832 u8 v1, v2, event = 0;
833 int i, j;
834
835 v1 = inb_p(sonypi_device.ioport1);
836 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
837
838 for (i = 0; sonypi_eventtypes[i].model; i++) {
839 if (sonypi_device.model != sonypi_eventtypes[i].model)
840 continue;
841 if ((v2 & sonypi_eventtypes[i].data) !=
842 sonypi_eventtypes[i].data)
843 continue;
844 if (!(mask & sonypi_eventtypes[i].mask))
845 continue;
846 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
847 if (v1 == sonypi_eventtypes[i].events[j].data) {
848 event = sonypi_eventtypes[i].events[j].event;
849 goto found;
850 }
851 }
852 }
853
854 if (verbose)
855 printk(KERN_WARNING
856 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
857 v1, v2);
858 /* We need to return IRQ_HANDLED here because there *are*
859 * events belonging to the sonypi device we don't know about,
860 * but we still don't want those to pollute the logs... */
861 return IRQ_HANDLED;
862
863 found:
864 if (verbose > 1)
865 printk(KERN_INFO
866 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
867
868 if (useinput)
869 sonypi_report_input_event(event);
870
871 kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
872 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
873 wake_up_interruptible(&sonypi_device.fifo_proc_list);
874
875 return IRQ_HANDLED;
876 }
877
878 /* External camera command (exported to the motion eye v4l driver) */
879 int sonypi_camera_command(int command, u8 value)
880 {
881 if (!camera)
882 return -EIO;
883
884 down(&sonypi_device.lock);
885
886 switch (command) {
887 case SONYPI_COMMAND_SETCAMERA:
888 if (value)
889 sonypi_camera_on();
890 else
891 sonypi_camera_off();
892 break;
893 case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
894 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
895 break;
896 case SONYPI_COMMAND_SETCAMERACONTRAST:
897 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
898 break;
899 case SONYPI_COMMAND_SETCAMERAHUE:
900 sonypi_set(SONYPI_CAMERA_HUE, value);
901 break;
902 case SONYPI_COMMAND_SETCAMERACOLOR:
903 sonypi_set(SONYPI_CAMERA_COLOR, value);
904 break;
905 case SONYPI_COMMAND_SETCAMERASHARPNESS:
906 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
907 break;
908 case SONYPI_COMMAND_SETCAMERAPICTURE:
909 sonypi_set(SONYPI_CAMERA_PICTURE, value);
910 break;
911 case SONYPI_COMMAND_SETCAMERAAGC:
912 sonypi_set(SONYPI_CAMERA_AGC, value);
913 break;
914 default:
915 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
916 command);
917 break;
918 }
919 up(&sonypi_device.lock);
920 return 0;
921 }
922
923 EXPORT_SYMBOL(sonypi_camera_command);
924
925 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
926 {
927 int retval;
928
929 retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
930 if (retval < 0)
931 return retval;
932 return 0;
933 }
934
935 static int sonypi_misc_release(struct inode *inode, struct file *file)
936 {
937 sonypi_misc_fasync(-1, file, 0);
938 down(&sonypi_device.lock);
939 sonypi_device.open_count--;
940 up(&sonypi_device.lock);
941 return 0;
942 }
943
944 static int sonypi_misc_open(struct inode *inode, struct file *file)
945 {
946 down(&sonypi_device.lock);
947 /* Flush input queue on first open */
948 if (!sonypi_device.open_count)
949 kfifo_reset(sonypi_device.fifo);
950 sonypi_device.open_count++;
951 up(&sonypi_device.lock);
952 return 0;
953 }
954
955 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
956 size_t count, loff_t *pos)
957 {
958 ssize_t ret;
959 unsigned char c;
960
961 if ((kfifo_len(sonypi_device.fifo) == 0) &&
962 (file->f_flags & O_NONBLOCK))
963 return -EAGAIN;
964
965 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
966 kfifo_len(sonypi_device.fifo) != 0);
967 if (ret)
968 return ret;
969
970 while (ret < count &&
971 (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
972 if (put_user(c, buf++))
973 return -EFAULT;
974 ret++;
975 }
976
977 if (ret > 0) {
978 struct inode *inode = file->f_dentry->d_inode;
979 inode->i_atime = current_fs_time(inode->i_sb);
980 }
981
982 return ret;
983 }
984
985 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
986 {
987 poll_wait(file, &sonypi_device.fifo_proc_list, wait);
988 if (kfifo_len(sonypi_device.fifo))
989 return POLLIN | POLLRDNORM;
990 return 0;
991 }
992
993 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
994 unsigned int cmd, unsigned long arg)
995 {
996 int ret = 0;
997 void __user *argp = (void __user *)arg;
998 u8 val8;
999 u16 val16;
1000
1001 down(&sonypi_device.lock);
1002 switch (cmd) {
1003 case SONYPI_IOCGBRT:
1004 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1005 ret = -EIO;
1006 break;
1007 }
1008 if (copy_to_user(argp, &val8, sizeof(val8)))
1009 ret = -EFAULT;
1010 break;
1011 case SONYPI_IOCSBRT:
1012 if (copy_from_user(&val8, argp, sizeof(val8))) {
1013 ret = -EFAULT;
1014 break;
1015 }
1016 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1017 ret = -EIO;
1018 break;
1019 case SONYPI_IOCGBAT1CAP:
1020 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1021 ret = -EIO;
1022 break;
1023 }
1024 if (copy_to_user(argp, &val16, sizeof(val16)))
1025 ret = -EFAULT;
1026 break;
1027 case SONYPI_IOCGBAT1REM:
1028 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1029 ret = -EIO;
1030 break;
1031 }
1032 if (copy_to_user(argp, &val16, sizeof(val16)))
1033 ret = -EFAULT;
1034 break;
1035 case SONYPI_IOCGBAT2CAP:
1036 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1037 ret = -EIO;
1038 break;
1039 }
1040 if (copy_to_user(argp, &val16, sizeof(val16)))
1041 ret = -EFAULT;
1042 break;
1043 case SONYPI_IOCGBAT2REM:
1044 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1045 ret = -EIO;
1046 break;
1047 }
1048 if (copy_to_user(argp, &val16, sizeof(val16)))
1049 ret = -EFAULT;
1050 break;
1051 case SONYPI_IOCGBATFLAGS:
1052 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1053 ret = -EIO;
1054 break;
1055 }
1056 val8 &= 0x07;
1057 if (copy_to_user(argp, &val8, sizeof(val8)))
1058 ret = -EFAULT;
1059 break;
1060 case SONYPI_IOCGBLUE:
1061 val8 = sonypi_device.bluetooth_power;
1062 if (copy_to_user(argp, &val8, sizeof(val8)))
1063 ret = -EFAULT;
1064 break;
1065 case SONYPI_IOCSBLUE:
1066 if (copy_from_user(&val8, argp, sizeof(val8))) {
1067 ret = -EFAULT;
1068 break;
1069 }
1070 sonypi_setbluetoothpower(val8);
1071 break;
1072 /* FAN Controls */
1073 case SONYPI_IOCGFAN:
1074 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1075 ret = -EIO;
1076 break;
1077 }
1078 if (copy_to_user(argp, &val8, sizeof(val8)))
1079 ret = -EFAULT;
1080 break;
1081 case SONYPI_IOCSFAN:
1082 if (copy_from_user(&val8, argp, sizeof(val8))) {
1083 ret = -EFAULT;
1084 break;
1085 }
1086 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1087 ret = -EIO;
1088 break;
1089 /* GET Temperature (useful under APM) */
1090 case SONYPI_IOCGTEMP:
1091 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1092 ret = -EIO;
1093 break;
1094 }
1095 if (copy_to_user(argp, &val8, sizeof(val8)))
1096 ret = -EFAULT;
1097 break;
1098 default:
1099 ret = -EINVAL;
1100 }
1101 up(&sonypi_device.lock);
1102 return ret;
1103 }
1104
1105 static struct file_operations sonypi_misc_fops = {
1106 .owner = THIS_MODULE,
1107 .read = sonypi_misc_read,
1108 .poll = sonypi_misc_poll,
1109 .open = sonypi_misc_open,
1110 .release = sonypi_misc_release,
1111 .fasync = sonypi_misc_fasync,
1112 .ioctl = sonypi_misc_ioctl,
1113 };
1114
1115 static struct miscdevice sonypi_misc_device = {
1116 .minor = MISC_DYNAMIC_MINOR,
1117 .name = "sonypi",
1118 .fops = &sonypi_misc_fops,
1119 };
1120
1121 static void sonypi_enable(unsigned int camera_on)
1122 {
1123 switch (sonypi_device.model) {
1124 case SONYPI_DEVICE_MODEL_TYPE1:
1125 sonypi_type1_srs();
1126 break;
1127 case SONYPI_DEVICE_MODEL_TYPE2:
1128 sonypi_type2_srs();
1129 break;
1130 case SONYPI_DEVICE_MODEL_TYPE3:
1131 sonypi_type3_srs();
1132 break;
1133 }
1134
1135 sonypi_call1(0x82);
1136 sonypi_call2(0x81, 0xff);
1137 sonypi_call1(compat ? 0x92 : 0x82);
1138
1139 /* Enable ACPI mode to get Fn key events */
1140 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1141 outb(0xf0, 0xb2);
1142
1143 if (camera && camera_on)
1144 sonypi_camera_on();
1145 }
1146
1147 static int sonypi_disable(void)
1148 {
1149 sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1150 if (camera)
1151 sonypi_camera_off();
1152
1153 /* disable ACPI mode */
1154 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1155 outb(0xf1, 0xb2);
1156
1157 switch (sonypi_device.model) {
1158 case SONYPI_DEVICE_MODEL_TYPE1:
1159 sonypi_type1_dis();
1160 break;
1161 case SONYPI_DEVICE_MODEL_TYPE2:
1162 sonypi_type2_dis();
1163 break;
1164 case SONYPI_DEVICE_MODEL_TYPE3:
1165 sonypi_type3_dis();
1166 break;
1167 }
1168
1169 return 0;
1170 }
1171
1172 #ifdef CONFIG_PM
1173 static int old_camera_power;
1174
1175 static int sonypi_suspend(struct device *dev, pm_message_t state, u32 level)
1176 {
1177 if (level == SUSPEND_DISABLE) {
1178 old_camera_power = sonypi_device.camera_power;
1179 sonypi_disable();
1180 }
1181 return 0;
1182 }
1183
1184 static int sonypi_resume(struct device *dev, u32 level)
1185 {
1186 if (level == RESUME_ENABLE)
1187 sonypi_enable(old_camera_power);
1188 return 0;
1189 }
1190 #endif
1191
1192 static void sonypi_shutdown(struct device *dev)
1193 {
1194 sonypi_disable();
1195 }
1196
1197 static struct device_driver sonypi_driver = {
1198 .name = "sonypi",
1199 .bus = &platform_bus_type,
1200 #ifdef CONFIG_PM
1201 .suspend = sonypi_suspend,
1202 .resume = sonypi_resume,
1203 #endif
1204 .shutdown = sonypi_shutdown,
1205 };
1206
1207 static int __devinit sonypi_probe(void)
1208 {
1209 int i, ret;
1210 struct sonypi_ioport_list *ioport_list;
1211 struct sonypi_irq_list *irq_list;
1212 struct pci_dev *pcidev;
1213
1214 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1215 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1216 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1217 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1218 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1219 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1220 else
1221 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1222
1223 sonypi_device.dev = pcidev;
1224
1225 spin_lock_init(&sonypi_device.fifo_lock);
1226 sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1227 &sonypi_device.fifo_lock);
1228 if (IS_ERR(sonypi_device.fifo)) {
1229 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1230 ret = PTR_ERR(sonypi_device.fifo);
1231 goto out_fifo;
1232 }
1233
1234 init_waitqueue_head(&sonypi_device.fifo_proc_list);
1235 init_MUTEX(&sonypi_device.lock);
1236 sonypi_device.bluetooth_power = -1;
1237
1238 if (pcidev && pci_enable_device(pcidev)) {
1239 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1240 ret = -EIO;
1241 goto out_pcienable;
1242 }
1243
1244 if (minor != -1)
1245 sonypi_misc_device.minor = minor;
1246 if ((ret = misc_register(&sonypi_misc_device))) {
1247 printk(KERN_ERR "sonypi: misc_register failed\n");
1248 goto out_miscreg;
1249 }
1250
1251
1252 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1253 ioport_list = sonypi_type1_ioport_list;
1254 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1255 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1256 irq_list = sonypi_type1_irq_list;
1257 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1258 ioport_list = sonypi_type2_ioport_list;
1259 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1260 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1261 irq_list = sonypi_type2_irq_list;
1262 } else {
1263 ioport_list = sonypi_type3_ioport_list;
1264 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1265 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1266 irq_list = sonypi_type3_irq_list;
1267 }
1268
1269 for (i = 0; ioport_list[i].port1; i++) {
1270 if (request_region(ioport_list[i].port1,
1271 sonypi_device.region_size,
1272 "Sony Programable I/O Device")) {
1273 /* get the ioport */
1274 sonypi_device.ioport1 = ioport_list[i].port1;
1275 sonypi_device.ioport2 = ioport_list[i].port2;
1276 break;
1277 }
1278 }
1279 if (!sonypi_device.ioport1) {
1280 printk(KERN_ERR "sonypi: request_region failed\n");
1281 ret = -ENODEV;
1282 goto out_reqreg;
1283 }
1284
1285 for (i = 0; irq_list[i].irq; i++) {
1286
1287 sonypi_device.irq = irq_list[i].irq;
1288 sonypi_device.bits = irq_list[i].bits;
1289
1290 if (!request_irq(sonypi_device.irq, sonypi_irq,
1291 SA_SHIRQ, "sonypi", sonypi_irq))
1292 break;
1293 }
1294
1295 if (!irq_list[i].irq) {
1296 printk(KERN_ERR "sonypi: request_irq failed\n");
1297 ret = -ENODEV;
1298 goto out_reqirq;
1299 }
1300
1301 if (useinput) {
1302 /* Initialize the Input Drivers: jogdial */
1303 int i;
1304 sonypi_device.input_jog_dev.evbit[0] =
1305 BIT(EV_KEY) | BIT(EV_REL);
1306 sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
1307 BIT(BTN_MIDDLE);
1308 sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
1309 sonypi_device.input_jog_dev.name = SONYPI_JOG_INPUTNAME;
1310 sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
1311 sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
1312
1313 input_register_device(&sonypi_device.input_jog_dev);
1314 printk(KERN_INFO "%s input method installed.\n",
1315 sonypi_device.input_jog_dev.name);
1316
1317 /* Initialize the Input Drivers: special keys */
1318 sonypi_device.input_key_dev.evbit[0] = BIT(EV_KEY);
1319 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1320 if (sonypi_inputkeys[i].inputev)
1321 set_bit(sonypi_inputkeys[i].inputev,
1322 sonypi_device.input_key_dev.keybit);
1323 sonypi_device.input_key_dev.name = SONYPI_KEY_INPUTNAME;
1324 sonypi_device.input_key_dev.id.bustype = BUS_ISA;
1325 sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
1326
1327 input_register_device(&sonypi_device.input_key_dev);
1328 printk(KERN_INFO "%s input method installed.\n",
1329 sonypi_device.input_key_dev.name);
1330
1331 spin_lock_init(&sonypi_device.input_fifo_lock);
1332 sonypi_device.input_fifo =
1333 kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1334 &sonypi_device.input_fifo_lock);
1335 if (IS_ERR(sonypi_device.input_fifo)) {
1336 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1337 ret = PTR_ERR(sonypi_device.input_fifo);
1338 goto out_infifo;
1339 }
1340
1341 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1342 }
1343
1344 sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1345 NULL, 0);
1346 if (IS_ERR(sonypi_device.pdev)) {
1347 ret = PTR_ERR(sonypi_device.pdev);
1348 goto out_platformdev;
1349 }
1350
1351 sonypi_enable(0);
1352
1353 printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1354 "v%s.\n", SONYPI_DRIVER_VERSION);
1355 printk(KERN_INFO "sonypi: detected type%d model, "
1356 "verbose = %d, fnkeyinit = %s, camera = %s, "
1357 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1358 sonypi_device.model,
1359 verbose,
1360 fnkeyinit ? "on" : "off",
1361 camera ? "on" : "off",
1362 compat ? "on" : "off",
1363 mask,
1364 useinput ? "on" : "off",
1365 SONYPI_ACPI_ACTIVE ? "on" : "off");
1366 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1367 sonypi_device.irq,
1368 sonypi_device.ioport1, sonypi_device.ioport2);
1369
1370 if (minor == -1)
1371 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1372 sonypi_misc_device.minor);
1373
1374 return 0;
1375
1376 out_platformdev:
1377 kfifo_free(sonypi_device.input_fifo);
1378 out_infifo:
1379 input_unregister_device(&sonypi_device.input_key_dev);
1380 input_unregister_device(&sonypi_device.input_jog_dev);
1381 free_irq(sonypi_device.irq, sonypi_irq);
1382 out_reqirq:
1383 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1384 out_reqreg:
1385 misc_deregister(&sonypi_misc_device);
1386 out_miscreg:
1387 if (pcidev)
1388 pci_disable_device(pcidev);
1389 out_pcienable:
1390 kfifo_free(sonypi_device.fifo);
1391 out_fifo:
1392 pci_dev_put(sonypi_device.dev);
1393 return ret;
1394 }
1395
1396 static void __devexit sonypi_remove(void)
1397 {
1398 sonypi_disable();
1399
1400 synchronize_sched(); /* Allow sonypi interrupt to complete. */
1401 flush_scheduled_work();
1402
1403 platform_device_unregister(sonypi_device.pdev);
1404
1405 if (useinput) {
1406 input_unregister_device(&sonypi_device.input_key_dev);
1407 input_unregister_device(&sonypi_device.input_jog_dev);
1408 kfifo_free(sonypi_device.input_fifo);
1409 }
1410
1411 free_irq(sonypi_device.irq, sonypi_irq);
1412 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1413 misc_deregister(&sonypi_misc_device);
1414 if (sonypi_device.dev)
1415 pci_disable_device(sonypi_device.dev);
1416 kfifo_free(sonypi_device.fifo);
1417 pci_dev_put(sonypi_device.dev);
1418 printk(KERN_INFO "sonypi: removed.\n");
1419 }
1420
1421 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1422 {
1423 .ident = "Sony Vaio",
1424 .matches = {
1425 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1426 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1427 },
1428 },
1429 {
1430 .ident = "Sony Vaio",
1431 .matches = {
1432 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1433 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1434 },
1435 },
1436 { }
1437 };
1438
1439 static int __init sonypi_init(void)
1440 {
1441 int ret;
1442
1443 if (!dmi_check_system(sonypi_dmi_table))
1444 return -ENODEV;
1445
1446 ret = driver_register(&sonypi_driver);
1447 if (ret)
1448 return ret;
1449
1450 ret = sonypi_probe();
1451 if (ret)
1452 driver_unregister(&sonypi_driver);
1453
1454 return ret;
1455 }
1456
1457 static void __exit sonypi_exit(void)
1458 {
1459 driver_unregister(&sonypi_driver);
1460 sonypi_remove();
1461 }
1462
1463 module_init(sonypi_init);
1464 module_exit(sonypi_exit);