ia64/linux-2.6.18-xen.hg

view drivers/char/sonypi.c @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
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 Alc˘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 */
36 #include <linux/module.h>
37 #include <linux/input.h>
38 #include <linux/pci.h>
39 #include <linux/sched.h>
40 #include <linux/init.h>
41 #include <linux/interrupt.h>
42 #include <linux/miscdevice.h>
43 #include <linux/poll.h>
44 #include <linux/delay.h>
45 #include <linux/wait.h>
46 #include <linux/acpi.h>
47 #include <linux/dmi.h>
48 #include <linux/err.h>
49 #include <linux/kfifo.h>
50 #include <linux/platform_device.h>
52 #include <asm/uaccess.h>
53 #include <asm/io.h>
54 #include <asm/system.h>
56 #include <linux/sonypi.h>
58 #define SONYPI_DRIVER_VERSION "1.26"
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);
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)");
70 static int verbose; /* = 0 */
71 module_param(verbose, int, 0644);
72 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
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");
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)");
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");
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)");
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");
99 #define SONYPI_DEVICE_MODEL_TYPE1 1
100 #define SONYPI_DEVICE_MODEL_TYPE2 2
101 #define SONYPI_DEVICE_MODEL_TYPE3 3
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
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
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
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
139 /* FAN0 information (reverse engineered from ACPI tables) */
140 #define SONYPI_FAN0_STATUS 0x93
141 #define SONYPI_TEMP_STATUS 0xC1
143 /* ioports used for brightness and type2 events */
144 #define SONYPI_DATA_IOPORT 0x62
145 #define SONYPI_CST_IOPORT 0x66
147 /* The set of possible ioports */
148 struct sonypi_ioport_list {
149 u16 port1;
150 u16 port2;
151 };
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 };
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 };
170 /* same as in type 2 models */
171 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
172 sonypi_type2_ioport_list;
174 /* The set of possible interrupts */
175 struct sonypi_irq_list {
176 u16 irq;
177 u16 bits;
178 };
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 };
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 };
195 /* same as in type2 models */
196 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
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
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
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
215 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
216 #define SONYPI_CAMERA_CONTROL 0x10
218 #define SONYPI_CAMERA_STATUS 7
219 #define SONYPI_CAMERA_STATUS_READY 0x2
220 #define SONYPI_CAMERA_STATUS_POSITION 0x4
222 #define SONYPI_DIRECTION_BACKWARDS 0x4
224 #define SONYPI_CAMERA_REVISION 8
225 #define SONYPI_CAMERA_ROMVERSION 9
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
243 struct sonypi_event {
244 u8 data;
245 u8 event;
246 };
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 };
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 };
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 };
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 };
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 };
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 };
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 };
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 };
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 };
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 };
351 /* The set of possible zoom events */
352 static struct sonypi_event sonypi_zoomev[] = {
353 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
354 { 0, 0 }
355 };
357 /* The set of possible thumbphrase events */
358 static struct sonypi_event sonypi_thumbphraseev[] = {
359 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
360 { 0, 0 }
361 };
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 };
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 };
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 };
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 },
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, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
410 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
411 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
412 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
413 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
414 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
416 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
417 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
418 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
419 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
420 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
421 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
422 { 0 }
423 };
425 #define SONYPI_BUF_SIZE 128
427 /* Correspondance table between sonypi events and input layer events */
428 static struct {
429 int sonypiev;
430 int inputev;
431 } sonypi_inputkeys[] = {
432 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
433 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
434 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
435 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
436 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
437 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
438 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
439 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
440 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
441 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
442 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
443 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
444 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
445 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
446 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
447 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
448 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
449 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
450 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
451 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
452 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
453 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
454 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
455 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
456 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
457 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
458 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
459 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
460 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
461 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
462 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
463 { 0, 0 },
464 };
466 struct sonypi_keypress {
467 struct input_dev *dev;
468 int key;
469 };
471 static struct sonypi_device {
472 struct pci_dev *dev;
473 u16 irq;
474 u16 bits;
475 u16 ioport1;
476 u16 ioport2;
477 u16 region_size;
478 u16 evtype_offset;
479 int camera_power;
480 int bluetooth_power;
481 struct semaphore lock;
482 struct kfifo *fifo;
483 spinlock_t fifo_lock;
484 wait_queue_head_t fifo_proc_list;
485 struct fasync_struct *fifo_async;
486 int open_count;
487 int model;
488 struct input_dev *input_jog_dev;
489 struct input_dev *input_key_dev;
490 struct work_struct input_work;
491 struct kfifo *input_fifo;
492 spinlock_t input_fifo_lock;
493 } sonypi_device;
495 #define ITERATIONS_LONG 10000
496 #define ITERATIONS_SHORT 10
498 #define wait_on_command(quiet, command, iterations) { \
499 unsigned int n = iterations; \
500 while (--n && (command)) \
501 udelay(1); \
502 if (!n && (verbose || !quiet)) \
503 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
504 }
506 #ifdef CONFIG_ACPI
507 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
508 #else
509 #define SONYPI_ACPI_ACTIVE 0
510 #endif /* CONFIG_ACPI */
512 #ifdef CONFIG_ACPI
513 static struct acpi_device *sonypi_acpi_device;
514 static int acpi_driver_registered;
515 #endif
517 static int sonypi_ec_write(u8 addr, u8 value)
518 {
519 #ifdef CONFIG_ACPI_EC
520 if (SONYPI_ACPI_ACTIVE)
521 return ec_write(addr, value);
522 #endif
523 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
524 outb_p(0x81, SONYPI_CST_IOPORT);
525 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
526 outb_p(addr, SONYPI_DATA_IOPORT);
527 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
528 outb_p(value, SONYPI_DATA_IOPORT);
529 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
530 return 0;
531 }
533 static int sonypi_ec_read(u8 addr, u8 *value)
534 {
535 #ifdef CONFIG_ACPI_EC
536 if (SONYPI_ACPI_ACTIVE)
537 return ec_read(addr, value);
538 #endif
539 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
540 outb_p(0x80, SONYPI_CST_IOPORT);
541 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
542 outb_p(addr, SONYPI_DATA_IOPORT);
543 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
544 *value = inb_p(SONYPI_DATA_IOPORT);
545 return 0;
546 }
548 static int ec_read16(u8 addr, u16 *value)
549 {
550 u8 val_lb, val_hb;
551 if (sonypi_ec_read(addr, &val_lb))
552 return -1;
553 if (sonypi_ec_read(addr + 1, &val_hb))
554 return -1;
555 *value = val_lb | (val_hb << 8);
556 return 0;
557 }
559 /* Initializes the device - this comes from the AML code in the ACPI bios */
560 static void sonypi_type1_srs(void)
561 {
562 u32 v;
564 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
565 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
566 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
568 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
569 v = (v & 0xFFF0FFFF) |
570 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
571 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
573 v = inl(SONYPI_IRQ_PORT);
574 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
575 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
576 outl(v, SONYPI_IRQ_PORT);
578 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
579 v = (v & 0xFF1FFFFF) | 0x00C00000;
580 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
581 }
583 static void sonypi_type2_srs(void)
584 {
585 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
586 printk(KERN_WARNING "ec_write failed\n");
587 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
588 printk(KERN_WARNING "ec_write failed\n");
589 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
590 printk(KERN_WARNING "ec_write failed\n");
591 udelay(10);
592 }
594 static void sonypi_type3_srs(void)
595 {
596 u16 v16;
597 u8 v8;
599 /* This model type uses the same initialiazation of
600 * the embedded controller as the type2 models. */
601 sonypi_type2_srs();
603 /* Initialization of PCI config space of the LPC interface bridge. */
604 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
605 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
606 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
607 v8 = (v8 & 0xCF) | 0x10;
608 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
609 }
611 /* Disables the device - this comes from the AML code in the ACPI bios */
612 static void sonypi_type1_dis(void)
613 {
614 u32 v;
616 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
617 v = v & 0xFF3FFFFF;
618 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
620 v = inl(SONYPI_IRQ_PORT);
621 v |= (0x3 << SONYPI_IRQ_SHIFT);
622 outl(v, SONYPI_IRQ_PORT);
623 }
625 static void sonypi_type2_dis(void)
626 {
627 if (sonypi_ec_write(SONYPI_SHIB, 0))
628 printk(KERN_WARNING "ec_write failed\n");
629 if (sonypi_ec_write(SONYPI_SLOB, 0))
630 printk(KERN_WARNING "ec_write failed\n");
631 if (sonypi_ec_write(SONYPI_SIRQ, 0))
632 printk(KERN_WARNING "ec_write failed\n");
633 }
635 static void sonypi_type3_dis(void)
636 {
637 sonypi_type2_dis();
638 udelay(10);
639 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
640 }
642 static u8 sonypi_call1(u8 dev)
643 {
644 u8 v1, v2;
646 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
647 outb(dev, sonypi_device.ioport2);
648 v1 = inb_p(sonypi_device.ioport2);
649 v2 = inb_p(sonypi_device.ioport1);
650 return v2;
651 }
653 static u8 sonypi_call2(u8 dev, u8 fn)
654 {
655 u8 v1;
657 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
658 outb(dev, sonypi_device.ioport2);
659 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
660 outb(fn, sonypi_device.ioport1);
661 v1 = inb_p(sonypi_device.ioport1);
662 return v1;
663 }
665 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
666 {
667 u8 v1;
669 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
670 outb(dev, sonypi_device.ioport2);
671 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
672 outb(fn, sonypi_device.ioport1);
673 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
674 outb(v, sonypi_device.ioport1);
675 v1 = inb_p(sonypi_device.ioport1);
676 return v1;
677 }
679 #if 0
680 /* Get brightness, hue etc. Unreliable... */
681 static u8 sonypi_read(u8 fn)
682 {
683 u8 v1, v2;
684 int n = 100;
686 while (n--) {
687 v1 = sonypi_call2(0x8f, fn);
688 v2 = sonypi_call2(0x8f, fn);
689 if (v1 == v2 && v1 != 0xff)
690 return v1;
691 }
692 return 0xff;
693 }
694 #endif
696 /* Set brightness, hue etc */
697 static void sonypi_set(u8 fn, u8 v)
698 {
699 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
700 }
702 /* Tests if the camera is ready */
703 static int sonypi_camera_ready(void)
704 {
705 u8 v;
707 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
708 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
709 }
711 /* Turns the camera off */
712 static void sonypi_camera_off(void)
713 {
714 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
716 if (!sonypi_device.camera_power)
717 return;
719 sonypi_call2(0x91, 0);
720 sonypi_device.camera_power = 0;
721 }
723 /* Turns the camera on */
724 static void sonypi_camera_on(void)
725 {
726 int i, j;
728 if (sonypi_device.camera_power)
729 return;
731 for (j = 5; j > 0; j--) {
733 while (sonypi_call2(0x91, 0x1))
734 msleep(10);
735 sonypi_call1(0x93);
737 for (i = 400; i > 0; i--) {
738 if (sonypi_camera_ready())
739 break;
740 msleep(10);
741 }
742 if (i)
743 break;
744 }
746 if (j == 0) {
747 printk(KERN_WARNING "sonypi: failed to power on camera\n");
748 return;
749 }
751 sonypi_set(0x10, 0x5a);
752 sonypi_device.camera_power = 1;
753 }
755 /* sets the bluetooth subsystem power state */
756 static void sonypi_setbluetoothpower(u8 state)
757 {
758 state = !!state;
760 if (sonypi_device.bluetooth_power == state)
761 return;
763 sonypi_call2(0x96, state);
764 sonypi_call1(0x82);
765 sonypi_device.bluetooth_power = state;
766 }
768 static void input_keyrelease(void *data)
769 {
770 struct sonypi_keypress kp;
772 while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
773 sizeof(kp)) == sizeof(kp)) {
774 msleep(10);
775 input_report_key(kp.dev, kp.key, 0);
776 input_sync(kp.dev);
777 }
778 }
780 static void sonypi_report_input_event(u8 event)
781 {
782 struct input_dev *jog_dev = sonypi_device.input_jog_dev;
783 struct input_dev *key_dev = sonypi_device.input_key_dev;
784 struct sonypi_keypress kp = { NULL };
785 int i;
787 switch (event) {
788 case SONYPI_EVENT_JOGDIAL_UP:
789 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
790 input_report_rel(jog_dev, REL_WHEEL, 1);
791 input_sync(jog_dev);
792 break;
794 case SONYPI_EVENT_JOGDIAL_DOWN:
795 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
796 input_report_rel(jog_dev, REL_WHEEL, -1);
797 input_sync(jog_dev);
798 break;
800 case SONYPI_EVENT_JOGDIAL_PRESSED:
801 kp.key = BTN_MIDDLE;
802 kp.dev = jog_dev;
803 break;
805 case SONYPI_EVENT_FNKEY_RELEASED:
806 /* Nothing, not all VAIOs generate this event */
807 break;
809 default:
810 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
811 if (event == sonypi_inputkeys[i].sonypiev) {
812 kp.dev = key_dev;
813 kp.key = sonypi_inputkeys[i].inputev;
814 break;
815 }
816 break;
817 }
819 if (kp.dev) {
820 input_report_key(kp.dev, kp.key, 1);
821 input_sync(kp.dev);
822 kfifo_put(sonypi_device.input_fifo,
823 (unsigned char *)&kp, sizeof(kp));
824 schedule_work(&sonypi_device.input_work);
825 }
826 }
828 /* Interrupt handler: some event is available */
829 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
830 {
831 u8 v1, v2, event = 0;
832 int i, j;
834 v1 = inb_p(sonypi_device.ioport1);
835 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
837 for (i = 0; sonypi_eventtypes[i].model; i++) {
838 if (sonypi_device.model != sonypi_eventtypes[i].model)
839 continue;
840 if ((v2 & sonypi_eventtypes[i].data) !=
841 sonypi_eventtypes[i].data)
842 continue;
843 if (!(mask & sonypi_eventtypes[i].mask))
844 continue;
845 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
846 if (v1 == sonypi_eventtypes[i].events[j].data) {
847 event = sonypi_eventtypes[i].events[j].event;
848 goto found;
849 }
850 }
851 }
853 if (verbose)
854 printk(KERN_WARNING
855 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
856 v1, v2);
857 /* We need to return IRQ_HANDLED here because there *are*
858 * events belonging to the sonypi device we don't know about,
859 * but we still don't want those to pollute the logs... */
860 return IRQ_HANDLED;
862 found:
863 if (verbose > 1)
864 printk(KERN_INFO
865 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
867 if (useinput)
868 sonypi_report_input_event(event);
870 #ifdef CONFIG_ACPI
871 if (sonypi_acpi_device)
872 acpi_bus_generate_event(sonypi_acpi_device, 1, event);
873 #endif
875 kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
876 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
877 wake_up_interruptible(&sonypi_device.fifo_proc_list);
879 return IRQ_HANDLED;
880 }
882 /* External camera command (exported to the motion eye v4l driver) */
883 int sonypi_camera_command(int command, u8 value)
884 {
885 if (!camera)
886 return -EIO;
888 down(&sonypi_device.lock);
890 switch (command) {
891 case SONYPI_COMMAND_SETCAMERA:
892 if (value)
893 sonypi_camera_on();
894 else
895 sonypi_camera_off();
896 break;
897 case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
898 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
899 break;
900 case SONYPI_COMMAND_SETCAMERACONTRAST:
901 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
902 break;
903 case SONYPI_COMMAND_SETCAMERAHUE:
904 sonypi_set(SONYPI_CAMERA_HUE, value);
905 break;
906 case SONYPI_COMMAND_SETCAMERACOLOR:
907 sonypi_set(SONYPI_CAMERA_COLOR, value);
908 break;
909 case SONYPI_COMMAND_SETCAMERASHARPNESS:
910 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
911 break;
912 case SONYPI_COMMAND_SETCAMERAPICTURE:
913 sonypi_set(SONYPI_CAMERA_PICTURE, value);
914 break;
915 case SONYPI_COMMAND_SETCAMERAAGC:
916 sonypi_set(SONYPI_CAMERA_AGC, value);
917 break;
918 default:
919 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
920 command);
921 break;
922 }
923 up(&sonypi_device.lock);
924 return 0;
925 }
927 EXPORT_SYMBOL(sonypi_camera_command);
929 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
930 {
931 int retval;
933 retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
934 if (retval < 0)
935 return retval;
936 return 0;
937 }
939 static int sonypi_misc_release(struct inode *inode, struct file *file)
940 {
941 sonypi_misc_fasync(-1, file, 0);
942 down(&sonypi_device.lock);
943 sonypi_device.open_count--;
944 up(&sonypi_device.lock);
945 return 0;
946 }
948 static int sonypi_misc_open(struct inode *inode, struct file *file)
949 {
950 down(&sonypi_device.lock);
951 /* Flush input queue on first open */
952 if (!sonypi_device.open_count)
953 kfifo_reset(sonypi_device.fifo);
954 sonypi_device.open_count++;
955 up(&sonypi_device.lock);
956 return 0;
957 }
959 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
960 size_t count, loff_t *pos)
961 {
962 ssize_t ret;
963 unsigned char c;
965 if ((kfifo_len(sonypi_device.fifo) == 0) &&
966 (file->f_flags & O_NONBLOCK))
967 return -EAGAIN;
969 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
970 kfifo_len(sonypi_device.fifo) != 0);
971 if (ret)
972 return ret;
974 while (ret < count &&
975 (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
976 if (put_user(c, buf++))
977 return -EFAULT;
978 ret++;
979 }
981 if (ret > 0) {
982 struct inode *inode = file->f_dentry->d_inode;
983 inode->i_atime = current_fs_time(inode->i_sb);
984 }
986 return ret;
987 }
989 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
990 {
991 poll_wait(file, &sonypi_device.fifo_proc_list, wait);
992 if (kfifo_len(sonypi_device.fifo))
993 return POLLIN | POLLRDNORM;
994 return 0;
995 }
997 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
998 unsigned int cmd, unsigned long arg)
999 {
1000 int ret = 0;
1001 void __user *argp = (void __user *)arg;
1002 u8 val8;
1003 u16 val16;
1005 down(&sonypi_device.lock);
1006 switch (cmd) {
1007 case SONYPI_IOCGBRT:
1008 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1009 ret = -EIO;
1010 break;
1012 if (copy_to_user(argp, &val8, sizeof(val8)))
1013 ret = -EFAULT;
1014 break;
1015 case SONYPI_IOCSBRT:
1016 if (copy_from_user(&val8, argp, sizeof(val8))) {
1017 ret = -EFAULT;
1018 break;
1020 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1021 ret = -EIO;
1022 break;
1023 case SONYPI_IOCGBAT1CAP:
1024 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1025 ret = -EIO;
1026 break;
1028 if (copy_to_user(argp, &val16, sizeof(val16)))
1029 ret = -EFAULT;
1030 break;
1031 case SONYPI_IOCGBAT1REM:
1032 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1033 ret = -EIO;
1034 break;
1036 if (copy_to_user(argp, &val16, sizeof(val16)))
1037 ret = -EFAULT;
1038 break;
1039 case SONYPI_IOCGBAT2CAP:
1040 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1041 ret = -EIO;
1042 break;
1044 if (copy_to_user(argp, &val16, sizeof(val16)))
1045 ret = -EFAULT;
1046 break;
1047 case SONYPI_IOCGBAT2REM:
1048 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1049 ret = -EIO;
1050 break;
1052 if (copy_to_user(argp, &val16, sizeof(val16)))
1053 ret = -EFAULT;
1054 break;
1055 case SONYPI_IOCGBATFLAGS:
1056 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1057 ret = -EIO;
1058 break;
1060 val8 &= 0x07;
1061 if (copy_to_user(argp, &val8, sizeof(val8)))
1062 ret = -EFAULT;
1063 break;
1064 case SONYPI_IOCGBLUE:
1065 val8 = sonypi_device.bluetooth_power;
1066 if (copy_to_user(argp, &val8, sizeof(val8)))
1067 ret = -EFAULT;
1068 break;
1069 case SONYPI_IOCSBLUE:
1070 if (copy_from_user(&val8, argp, sizeof(val8))) {
1071 ret = -EFAULT;
1072 break;
1074 sonypi_setbluetoothpower(val8);
1075 break;
1076 /* FAN Controls */
1077 case SONYPI_IOCGFAN:
1078 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1079 ret = -EIO;
1080 break;
1082 if (copy_to_user(argp, &val8, sizeof(val8)))
1083 ret = -EFAULT;
1084 break;
1085 case SONYPI_IOCSFAN:
1086 if (copy_from_user(&val8, argp, sizeof(val8))) {
1087 ret = -EFAULT;
1088 break;
1090 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1091 ret = -EIO;
1092 break;
1093 /* GET Temperature (useful under APM) */
1094 case SONYPI_IOCGTEMP:
1095 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1096 ret = -EIO;
1097 break;
1099 if (copy_to_user(argp, &val8, sizeof(val8)))
1100 ret = -EFAULT;
1101 break;
1102 default:
1103 ret = -EINVAL;
1105 up(&sonypi_device.lock);
1106 return ret;
1109 static const struct file_operations sonypi_misc_fops = {
1110 .owner = THIS_MODULE,
1111 .read = sonypi_misc_read,
1112 .poll = sonypi_misc_poll,
1113 .open = sonypi_misc_open,
1114 .release = sonypi_misc_release,
1115 .fasync = sonypi_misc_fasync,
1116 .ioctl = sonypi_misc_ioctl,
1117 };
1119 static struct miscdevice sonypi_misc_device = {
1120 .minor = MISC_DYNAMIC_MINOR,
1121 .name = "sonypi",
1122 .fops = &sonypi_misc_fops,
1123 };
1125 static void sonypi_enable(unsigned int camera_on)
1127 switch (sonypi_device.model) {
1128 case SONYPI_DEVICE_MODEL_TYPE1:
1129 sonypi_type1_srs();
1130 break;
1131 case SONYPI_DEVICE_MODEL_TYPE2:
1132 sonypi_type2_srs();
1133 break;
1134 case SONYPI_DEVICE_MODEL_TYPE3:
1135 sonypi_type3_srs();
1136 break;
1139 sonypi_call1(0x82);
1140 sonypi_call2(0x81, 0xff);
1141 sonypi_call1(compat ? 0x92 : 0x82);
1143 /* Enable ACPI mode to get Fn key events */
1144 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1145 outb(0xf0, 0xb2);
1147 if (camera && camera_on)
1148 sonypi_camera_on();
1151 static int sonypi_disable(void)
1153 sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1154 if (camera)
1155 sonypi_camera_off();
1157 /* disable ACPI mode */
1158 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1159 outb(0xf1, 0xb2);
1161 switch (sonypi_device.model) {
1162 case SONYPI_DEVICE_MODEL_TYPE1:
1163 sonypi_type1_dis();
1164 break;
1165 case SONYPI_DEVICE_MODEL_TYPE2:
1166 sonypi_type2_dis();
1167 break;
1168 case SONYPI_DEVICE_MODEL_TYPE3:
1169 sonypi_type3_dis();
1170 break;
1173 return 0;
1176 #ifdef CONFIG_ACPI
1177 static int sonypi_acpi_add(struct acpi_device *device)
1179 sonypi_acpi_device = device;
1180 strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1181 strcpy(acpi_device_class(device), "sony/hotkey");
1182 return 0;
1185 static int sonypi_acpi_remove(struct acpi_device *device, int type)
1187 sonypi_acpi_device = NULL;
1188 return 0;
1191 static struct acpi_driver sonypi_acpi_driver = {
1192 .name = "sonypi",
1193 .class = "hkey",
1194 .ids = "SNY6001",
1195 .ops = {
1196 .add = sonypi_acpi_add,
1197 .remove = sonypi_acpi_remove,
1198 },
1199 };
1200 #endif
1202 static int __devinit sonypi_create_input_devices(void)
1204 struct input_dev *jog_dev;
1205 struct input_dev *key_dev;
1206 int i;
1207 int error;
1209 sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1210 if (!jog_dev)
1211 return -ENOMEM;
1213 jog_dev->name = "Sony Vaio Jogdial";
1214 jog_dev->id.bustype = BUS_ISA;
1215 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1217 jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1218 jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1219 jog_dev->relbit[0] = BIT(REL_WHEEL);
1221 sonypi_device.input_key_dev = key_dev = input_allocate_device();
1222 if (!key_dev) {
1223 error = -ENOMEM;
1224 goto err_free_jogdev;
1227 key_dev->name = "Sony Vaio Keys";
1228 key_dev->id.bustype = BUS_ISA;
1229 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1231 /* Initialize the Input Drivers: special keys */
1232 key_dev->evbit[0] = BIT(EV_KEY);
1233 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1234 if (sonypi_inputkeys[i].inputev)
1235 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1237 error = input_register_device(jog_dev);
1238 if (error)
1239 goto err_free_keydev;
1241 error = input_register_device(key_dev);
1242 if (error)
1243 goto err_unregister_jogdev;
1245 return 0;
1247 err_unregister_jogdev:
1248 input_unregister_device(jog_dev);
1249 /* Set to NULL so we don't free it again below */
1250 jog_dev = NULL;
1251 err_free_keydev:
1252 input_free_device(key_dev);
1253 sonypi_device.input_key_dev = NULL;
1254 err_free_jogdev:
1255 input_free_device(jog_dev);
1256 sonypi_device.input_jog_dev = NULL;
1258 return error;
1261 static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
1262 const struct sonypi_ioport_list *ioport_list)
1264 while (ioport_list->port1) {
1266 if (request_region(ioport_list->port1,
1267 sonypi_device.region_size,
1268 "Sony Programable I/O Device")) {
1269 dev->ioport1 = ioport_list->port1;
1270 dev->ioport2 = ioport_list->port2;
1271 return 0;
1273 ioport_list++;
1276 return -EBUSY;
1279 static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
1280 const struct sonypi_irq_list *irq_list)
1282 while (irq_list->irq) {
1284 if (!request_irq(irq_list->irq, sonypi_irq,
1285 IRQF_SHARED, "sonypi", sonypi_irq)) {
1286 dev->irq = irq_list->irq;
1287 dev->bits = irq_list->bits;
1288 return 0;
1290 irq_list++;
1293 return -EBUSY;
1296 static void __devinit sonypi_display_info(void)
1298 printk(KERN_INFO "sonypi: detected type%d model, "
1299 "verbose = %d, fnkeyinit = %s, camera = %s, "
1300 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1301 sonypi_device.model,
1302 verbose,
1303 fnkeyinit ? "on" : "off",
1304 camera ? "on" : "off",
1305 compat ? "on" : "off",
1306 mask,
1307 useinput ? "on" : "off",
1308 SONYPI_ACPI_ACTIVE ? "on" : "off");
1309 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1310 sonypi_device.irq,
1311 sonypi_device.ioport1, sonypi_device.ioport2);
1313 if (minor == -1)
1314 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1315 sonypi_misc_device.minor);
1318 static int __devinit sonypi_probe(struct platform_device *dev)
1320 const struct sonypi_ioport_list *ioport_list;
1321 const struct sonypi_irq_list *irq_list;
1322 struct pci_dev *pcidev;
1323 int error;
1325 spin_lock_init(&sonypi_device.fifo_lock);
1326 sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1327 &sonypi_device.fifo_lock);
1328 if (IS_ERR(sonypi_device.fifo)) {
1329 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1330 return PTR_ERR(sonypi_device.fifo);
1333 init_waitqueue_head(&sonypi_device.fifo_proc_list);
1334 init_MUTEX(&sonypi_device.lock);
1335 sonypi_device.bluetooth_power = -1;
1337 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1338 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1339 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1340 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1341 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1342 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1343 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1344 PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1345 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1346 else
1347 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1349 if (pcidev && pci_enable_device(pcidev)) {
1350 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1351 error = -EIO;
1352 goto err_put_pcidev;
1355 sonypi_device.dev = pcidev;
1357 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1358 ioport_list = sonypi_type1_ioport_list;
1359 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1360 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1361 irq_list = sonypi_type1_irq_list;
1362 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1363 ioport_list = sonypi_type2_ioport_list;
1364 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1365 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1366 irq_list = sonypi_type2_irq_list;
1367 } else {
1368 ioport_list = sonypi_type3_ioport_list;
1369 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1370 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1371 irq_list = sonypi_type3_irq_list;
1374 error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1375 if (error) {
1376 printk(KERN_ERR "sonypi: failed to request ioports\n");
1377 goto err_disable_pcidev;
1380 error = sonypi_setup_irq(&sonypi_device, irq_list);
1381 if (error) {
1382 printk(KERN_ERR "sonypi: request_irq failed\n");
1383 goto err_free_ioports;
1386 if (minor != -1)
1387 sonypi_misc_device.minor = minor;
1388 error = misc_register(&sonypi_misc_device);
1389 if (error) {
1390 printk(KERN_ERR "sonypi: misc_register failed\n");
1391 goto err_free_irq;
1394 sonypi_display_info();
1396 if (useinput) {
1398 error = sonypi_create_input_devices();
1399 if (error) {
1400 printk(KERN_ERR
1401 "sonypi: failed to create input devices\n");
1402 goto err_miscdev_unregister;
1405 spin_lock_init(&sonypi_device.input_fifo_lock);
1406 sonypi_device.input_fifo =
1407 kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1408 &sonypi_device.input_fifo_lock);
1409 if (IS_ERR(sonypi_device.input_fifo)) {
1410 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1411 error = PTR_ERR(sonypi_device.input_fifo);
1412 goto err_inpdev_unregister;
1415 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1418 sonypi_enable(0);
1420 return 0;
1422 err_inpdev_unregister:
1423 input_unregister_device(sonypi_device.input_key_dev);
1424 input_unregister_device(sonypi_device.input_jog_dev);
1425 err_miscdev_unregister:
1426 misc_deregister(&sonypi_misc_device);
1427 err_free_irq:
1428 free_irq(sonypi_device.irq, sonypi_irq);
1429 err_free_ioports:
1430 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1431 err_disable_pcidev:
1432 if (pcidev)
1433 pci_disable_device(pcidev);
1434 err_put_pcidev:
1435 pci_dev_put(pcidev);
1436 kfifo_free(sonypi_device.fifo);
1438 return error;
1441 static int __devexit sonypi_remove(struct platform_device *dev)
1443 sonypi_disable();
1445 synchronize_sched(); /* Allow sonypi interrupt to complete. */
1446 flush_scheduled_work();
1448 if (useinput) {
1449 input_unregister_device(sonypi_device.input_key_dev);
1450 input_unregister_device(sonypi_device.input_jog_dev);
1451 kfifo_free(sonypi_device.input_fifo);
1454 misc_deregister(&sonypi_misc_device);
1456 free_irq(sonypi_device.irq, sonypi_irq);
1457 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1459 if (sonypi_device.dev) {
1460 pci_disable_device(sonypi_device.dev);
1461 pci_dev_put(sonypi_device.dev);
1464 kfifo_free(sonypi_device.fifo);
1466 return 0;
1469 #ifdef CONFIG_PM
1470 static int old_camera_power;
1472 static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
1474 old_camera_power = sonypi_device.camera_power;
1475 sonypi_disable();
1477 return 0;
1480 static int sonypi_resume(struct platform_device *dev)
1482 sonypi_enable(old_camera_power);
1483 return 0;
1485 #else
1486 #define sonypi_suspend NULL
1487 #define sonypi_resume NULL
1488 #endif
1490 static void sonypi_shutdown(struct platform_device *dev)
1492 sonypi_disable();
1495 static struct platform_driver sonypi_driver = {
1496 .driver = {
1497 .name = "sonypi",
1498 .owner = THIS_MODULE,
1499 },
1500 .probe = sonypi_probe,
1501 .remove = __devexit_p(sonypi_remove),
1502 .shutdown = sonypi_shutdown,
1503 .suspend = sonypi_suspend,
1504 .resume = sonypi_resume,
1505 };
1507 static struct platform_device *sonypi_platform_device;
1509 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1511 .ident = "Sony Vaio",
1512 .matches = {
1513 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1514 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1515 },
1516 },
1518 .ident = "Sony Vaio",
1519 .matches = {
1520 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1521 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1522 },
1523 },
1524 { }
1525 };
1527 static int __init sonypi_init(void)
1529 int error;
1531 printk(KERN_INFO
1532 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1533 SONYPI_DRIVER_VERSION);
1535 if (!dmi_check_system(sonypi_dmi_table))
1536 return -ENODEV;
1538 error = platform_driver_register(&sonypi_driver);
1539 if (error)
1540 return error;
1542 sonypi_platform_device = platform_device_alloc("sonypi", -1);
1543 if (!sonypi_platform_device) {
1544 error = -ENOMEM;
1545 goto err_driver_unregister;
1548 error = platform_device_add(sonypi_platform_device);
1549 if (error)
1550 goto err_free_device;
1552 #ifdef CONFIG_ACPI
1553 if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1554 acpi_driver_registered = 1;
1555 #endif
1557 return 0;
1559 err_free_device:
1560 platform_device_put(sonypi_platform_device);
1561 err_driver_unregister:
1562 platform_driver_unregister(&sonypi_driver);
1563 return error;
1566 static void __exit sonypi_exit(void)
1568 #ifdef CONFIG_ACPI
1569 if (acpi_driver_registered)
1570 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1571 #endif
1572 platform_device_unregister(sonypi_platform_device);
1573 platform_driver_unregister(&sonypi_driver);
1574 printk(KERN_INFO "sonypi: removed.\n");
1577 module_init(sonypi_init);
1578 module_exit(sonypi_exit);