Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
[linux-2.6] / 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, 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 },
415
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 };
424
425 #define SONYPI_BUF_SIZE 128
426
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 };
465
466 struct sonypi_keypress {
467         struct input_dev *dev;
468         int key;
469 };
470
471 static struct sonypi_device {
472         struct pci_dev *dev;
473         struct platform_device *pdev;
474         u16 irq;
475         u16 bits;
476         u16 ioport1;
477         u16 ioport2;
478         u16 region_size;
479         u16 evtype_offset;
480         int camera_power;
481         int bluetooth_power;
482         struct semaphore lock;
483         struct kfifo *fifo;
484         spinlock_t fifo_lock;
485         wait_queue_head_t fifo_proc_list;
486         struct fasync_struct *fifo_async;
487         int open_count;
488         int model;
489         struct input_dev *input_jog_dev;
490         struct input_dev *input_key_dev;
491         struct work_struct input_work;
492         struct kfifo *input_fifo;
493         spinlock_t input_fifo_lock;
494 } sonypi_device;
495
496 #define ITERATIONS_LONG         10000
497 #define ITERATIONS_SHORT        10
498
499 #define wait_on_command(quiet, command, iterations) { \
500         unsigned int n = iterations; \
501         while (--n && (command)) \
502                 udelay(1); \
503         if (!n && (verbose || !quiet)) \
504                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
505 }
506
507 #ifdef CONFIG_ACPI
508 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
509 #else
510 #define SONYPI_ACPI_ACTIVE 0
511 #endif                          /* CONFIG_ACPI */
512
513 static int sonypi_ec_write(u8 addr, u8 value)
514 {
515 #ifdef CONFIG_ACPI_EC
516         if (SONYPI_ACPI_ACTIVE)
517                 return ec_write(addr, value);
518 #endif
519         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
520         outb_p(0x81, SONYPI_CST_IOPORT);
521         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
522         outb_p(addr, SONYPI_DATA_IOPORT);
523         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
524         outb_p(value, SONYPI_DATA_IOPORT);
525         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
526         return 0;
527 }
528
529 static int sonypi_ec_read(u8 addr, u8 *value)
530 {
531 #ifdef CONFIG_ACPI_EC
532         if (SONYPI_ACPI_ACTIVE)
533                 return ec_read(addr, value);
534 #endif
535         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
536         outb_p(0x80, SONYPI_CST_IOPORT);
537         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
538         outb_p(addr, SONYPI_DATA_IOPORT);
539         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
540         *value = inb_p(SONYPI_DATA_IOPORT);
541         return 0;
542 }
543
544 static int ec_read16(u8 addr, u16 *value)
545 {
546         u8 val_lb, val_hb;
547         if (sonypi_ec_read(addr, &val_lb))
548                 return -1;
549         if (sonypi_ec_read(addr + 1, &val_hb))
550                 return -1;
551         *value = val_lb | (val_hb << 8);
552         return 0;
553 }
554
555 /* Initializes the device - this comes from the AML code in the ACPI bios */
556 static void sonypi_type1_srs(void)
557 {
558         u32 v;
559
560         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
561         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
562         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
563
564         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
565         v = (v & 0xFFF0FFFF) |
566             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
567         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
568
569         v = inl(SONYPI_IRQ_PORT);
570         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
571         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
572         outl(v, SONYPI_IRQ_PORT);
573
574         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
575         v = (v & 0xFF1FFFFF) | 0x00C00000;
576         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
577 }
578
579 static void sonypi_type2_srs(void)
580 {
581         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
582                 printk(KERN_WARNING "ec_write failed\n");
583         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
584                 printk(KERN_WARNING "ec_write failed\n");
585         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
586                 printk(KERN_WARNING "ec_write failed\n");
587         udelay(10);
588 }
589
590 static void sonypi_type3_srs(void)
591 {
592         u16 v16;
593         u8  v8;
594
595         /* This model type uses the same initialiazation of
596          * the embedded controller as the type2 models. */
597         sonypi_type2_srs();
598
599         /* Initialization of PCI config space of the LPC interface bridge. */
600         v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
601         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
602         pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
603         v8 = (v8 & 0xCF) | 0x10;
604         pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
605 }
606
607 /* Disables the device - this comes from the AML code in the ACPI bios */
608 static void sonypi_type1_dis(void)
609 {
610         u32 v;
611
612         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
613         v = v & 0xFF3FFFFF;
614         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
615
616         v = inl(SONYPI_IRQ_PORT);
617         v |= (0x3 << SONYPI_IRQ_SHIFT);
618         outl(v, SONYPI_IRQ_PORT);
619 }
620
621 static void sonypi_type2_dis(void)
622 {
623         if (sonypi_ec_write(SONYPI_SHIB, 0))
624                 printk(KERN_WARNING "ec_write failed\n");
625         if (sonypi_ec_write(SONYPI_SLOB, 0))
626                 printk(KERN_WARNING "ec_write failed\n");
627         if (sonypi_ec_write(SONYPI_SIRQ, 0))
628                 printk(KERN_WARNING "ec_write failed\n");
629 }
630
631 static void sonypi_type3_dis(void)
632 {
633         sonypi_type2_dis();
634         udelay(10);
635         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
636 }
637
638 static u8 sonypi_call1(u8 dev)
639 {
640         u8 v1, v2;
641
642         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
643         outb(dev, sonypi_device.ioport2);
644         v1 = inb_p(sonypi_device.ioport2);
645         v2 = inb_p(sonypi_device.ioport1);
646         return v2;
647 }
648
649 static u8 sonypi_call2(u8 dev, u8 fn)
650 {
651         u8 v1;
652
653         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
654         outb(dev, sonypi_device.ioport2);
655         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
656         outb(fn, sonypi_device.ioport1);
657         v1 = inb_p(sonypi_device.ioport1);
658         return v1;
659 }
660
661 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
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         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
670         outb(v, sonypi_device.ioport1);
671         v1 = inb_p(sonypi_device.ioport1);
672         return v1;
673 }
674
675 #if 0
676 /* Get brightness, hue etc. Unreliable... */
677 static u8 sonypi_read(u8 fn)
678 {
679         u8 v1, v2;
680         int n = 100;
681
682         while (n--) {
683                 v1 = sonypi_call2(0x8f, fn);
684                 v2 = sonypi_call2(0x8f, fn);
685                 if (v1 == v2 && v1 != 0xff)
686                         return v1;
687         }
688         return 0xff;
689 }
690 #endif
691
692 /* Set brightness, hue etc */
693 static void sonypi_set(u8 fn, u8 v)
694 {
695         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
696 }
697
698 /* Tests if the camera is ready */
699 static int sonypi_camera_ready(void)
700 {
701         u8 v;
702
703         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
704         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
705 }
706
707 /* Turns the camera off */
708 static void sonypi_camera_off(void)
709 {
710         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
711
712         if (!sonypi_device.camera_power)
713                 return;
714
715         sonypi_call2(0x91, 0);
716         sonypi_device.camera_power = 0;
717 }
718
719 /* Turns the camera on */
720 static void sonypi_camera_on(void)
721 {
722         int i, j;
723
724         if (sonypi_device.camera_power)
725                 return;
726
727         for (j = 5; j > 0; j--) {
728
729                 while (sonypi_call2(0x91, 0x1))
730                         msleep(10);
731                 sonypi_call1(0x93);
732
733                 for (i = 400; i > 0; i--) {
734                         if (sonypi_camera_ready())
735                                 break;
736                         msleep(10);
737                 }
738                 if (i)
739                         break;
740         }
741
742         if (j == 0) {
743                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
744                 return;
745         }
746
747         sonypi_set(0x10, 0x5a);
748         sonypi_device.camera_power = 1;
749 }
750
751 /* sets the bluetooth subsystem power state */
752 static void sonypi_setbluetoothpower(u8 state)
753 {
754         state = !!state;
755
756         if (sonypi_device.bluetooth_power == state)
757                 return;
758
759         sonypi_call2(0x96, state);
760         sonypi_call1(0x82);
761         sonypi_device.bluetooth_power = state;
762 }
763
764 static void input_keyrelease(void *data)
765 {
766         struct sonypi_keypress kp;
767
768         while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
769                          sizeof(kp)) == sizeof(kp)) {
770                 msleep(10);
771                 input_report_key(kp.dev, kp.key, 0);
772                 input_sync(kp.dev);
773         }
774 }
775
776 static void sonypi_report_input_event(u8 event)
777 {
778         struct input_dev *jog_dev = sonypi_device.input_jog_dev;
779         struct input_dev *key_dev = sonypi_device.input_key_dev;
780         struct sonypi_keypress kp = { NULL };
781         int i;
782
783         switch (event) {
784         case SONYPI_EVENT_JOGDIAL_UP:
785         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
786                 input_report_rel(jog_dev, REL_WHEEL, 1);
787                 input_sync(jog_dev);
788                 break;
789
790         case SONYPI_EVENT_JOGDIAL_DOWN:
791         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
792                 input_report_rel(jog_dev, REL_WHEEL, -1);
793                 input_sync(jog_dev);
794                 break;
795
796         case SONYPI_EVENT_JOGDIAL_PRESSED:
797                 kp.key = BTN_MIDDLE;
798                 kp.dev = jog_dev;
799                 break;
800
801         case SONYPI_EVENT_FNKEY_RELEASED:
802                 /* Nothing, not all VAIOs generate this event */
803                 break;
804
805         default:
806                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
807                         if (event == sonypi_inputkeys[i].sonypiev) {
808                                 kp.dev = key_dev;
809                                 kp.key = sonypi_inputkeys[i].inputev;
810                                 break;
811                         }
812                 break;
813         }
814
815         if (kp.dev) {
816                 input_report_key(kp.dev, kp.key, 1);
817                 input_sync(kp.dev);
818                 kfifo_put(sonypi_device.input_fifo,
819                           (unsigned char *)&kp, sizeof(kp));
820                 schedule_work(&sonypi_device.input_work);
821         }
822 }
823
824 /* Interrupt handler: some event is available */
825 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
826 {
827         u8 v1, v2, event = 0;
828         int i, j;
829
830         v1 = inb_p(sonypi_device.ioport1);
831         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
832
833         for (i = 0; sonypi_eventtypes[i].model; i++) {
834                 if (sonypi_device.model != sonypi_eventtypes[i].model)
835                         continue;
836                 if ((v2 & sonypi_eventtypes[i].data) !=
837                     sonypi_eventtypes[i].data)
838                         continue;
839                 if (!(mask & sonypi_eventtypes[i].mask))
840                         continue;
841                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
842                         if (v1 == sonypi_eventtypes[i].events[j].data) {
843                                 event = sonypi_eventtypes[i].events[j].event;
844                                 goto found;
845                         }
846                 }
847         }
848
849         if (verbose)
850                 printk(KERN_WARNING
851                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
852                        v1, v2);
853         /* We need to return IRQ_HANDLED here because there *are*
854          * events belonging to the sonypi device we don't know about,
855          * but we still don't want those to pollute the logs... */
856         return IRQ_HANDLED;
857
858 found:
859         if (verbose > 1)
860                 printk(KERN_INFO
861                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
862
863         if (useinput)
864                 sonypi_report_input_event(event);
865
866         kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
867         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
868         wake_up_interruptible(&sonypi_device.fifo_proc_list);
869
870         return IRQ_HANDLED;
871 }
872
873 /* External camera command (exported to the motion eye v4l driver) */
874 int sonypi_camera_command(int command, u8 value)
875 {
876         if (!camera)
877                 return -EIO;
878
879         down(&sonypi_device.lock);
880
881         switch (command) {
882         case SONYPI_COMMAND_SETCAMERA:
883                 if (value)
884                         sonypi_camera_on();
885                 else
886                         sonypi_camera_off();
887                 break;
888         case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
889                 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
890                 break;
891         case SONYPI_COMMAND_SETCAMERACONTRAST:
892                 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
893                 break;
894         case SONYPI_COMMAND_SETCAMERAHUE:
895                 sonypi_set(SONYPI_CAMERA_HUE, value);
896                 break;
897         case SONYPI_COMMAND_SETCAMERACOLOR:
898                 sonypi_set(SONYPI_CAMERA_COLOR, value);
899                 break;
900         case SONYPI_COMMAND_SETCAMERASHARPNESS:
901                 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
902                 break;
903         case SONYPI_COMMAND_SETCAMERAPICTURE:
904                 sonypi_set(SONYPI_CAMERA_PICTURE, value);
905                 break;
906         case SONYPI_COMMAND_SETCAMERAAGC:
907                 sonypi_set(SONYPI_CAMERA_AGC, value);
908                 break;
909         default:
910                 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
911                        command);
912                 break;
913         }
914         up(&sonypi_device.lock);
915         return 0;
916 }
917
918 EXPORT_SYMBOL(sonypi_camera_command);
919
920 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
921 {
922         int retval;
923
924         retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
925         if (retval < 0)
926                 return retval;
927         return 0;
928 }
929
930 static int sonypi_misc_release(struct inode *inode, struct file *file)
931 {
932         sonypi_misc_fasync(-1, file, 0);
933         down(&sonypi_device.lock);
934         sonypi_device.open_count--;
935         up(&sonypi_device.lock);
936         return 0;
937 }
938
939 static int sonypi_misc_open(struct inode *inode, struct file *file)
940 {
941         down(&sonypi_device.lock);
942         /* Flush input queue on first open */
943         if (!sonypi_device.open_count)
944                 kfifo_reset(sonypi_device.fifo);
945         sonypi_device.open_count++;
946         up(&sonypi_device.lock);
947         return 0;
948 }
949
950 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
951                                 size_t count, loff_t *pos)
952 {
953         ssize_t ret;
954         unsigned char c;
955
956         if ((kfifo_len(sonypi_device.fifo) == 0) &&
957             (file->f_flags & O_NONBLOCK))
958                 return -EAGAIN;
959
960         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
961                                        kfifo_len(sonypi_device.fifo) != 0);
962         if (ret)
963                 return ret;
964
965         while (ret < count &&
966                (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
967                 if (put_user(c, buf++))
968                         return -EFAULT;
969                 ret++;
970         }
971
972         if (ret > 0) {
973                 struct inode *inode = file->f_dentry->d_inode;
974                 inode->i_atime = current_fs_time(inode->i_sb);
975         }
976
977         return ret;
978 }
979
980 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
981 {
982         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
983         if (kfifo_len(sonypi_device.fifo))
984                 return POLLIN | POLLRDNORM;
985         return 0;
986 }
987
988 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
989                              unsigned int cmd, unsigned long arg)
990 {
991         int ret = 0;
992         void __user *argp = (void __user *)arg;
993         u8 val8;
994         u16 val16;
995
996         down(&sonypi_device.lock);
997         switch (cmd) {
998         case SONYPI_IOCGBRT:
999                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
1000                         ret = -EIO;
1001                         break;
1002                 }
1003                 if (copy_to_user(argp, &val8, sizeof(val8)))
1004                         ret = -EFAULT;
1005                 break;
1006         case SONYPI_IOCSBRT:
1007                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1008                         ret = -EFAULT;
1009                         break;
1010                 }
1011                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
1012                         ret = -EIO;
1013                 break;
1014         case SONYPI_IOCGBAT1CAP:
1015                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1016                         ret = -EIO;
1017                         break;
1018                 }
1019                 if (copy_to_user(argp, &val16, sizeof(val16)))
1020                         ret = -EFAULT;
1021                 break;
1022         case SONYPI_IOCGBAT1REM:
1023                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1024                         ret = -EIO;
1025                         break;
1026                 }
1027                 if (copy_to_user(argp, &val16, sizeof(val16)))
1028                         ret = -EFAULT;
1029                 break;
1030         case SONYPI_IOCGBAT2CAP:
1031                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1032                         ret = -EIO;
1033                         break;
1034                 }
1035                 if (copy_to_user(argp, &val16, sizeof(val16)))
1036                         ret = -EFAULT;
1037                 break;
1038         case SONYPI_IOCGBAT2REM:
1039                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1040                         ret = -EIO;
1041                         break;
1042                 }
1043                 if (copy_to_user(argp, &val16, sizeof(val16)))
1044                         ret = -EFAULT;
1045                 break;
1046         case SONYPI_IOCGBATFLAGS:
1047                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1048                         ret = -EIO;
1049                         break;
1050                 }
1051                 val8 &= 0x07;
1052                 if (copy_to_user(argp, &val8, sizeof(val8)))
1053                         ret = -EFAULT;
1054                 break;
1055         case SONYPI_IOCGBLUE:
1056                 val8 = sonypi_device.bluetooth_power;
1057                 if (copy_to_user(argp, &val8, sizeof(val8)))
1058                         ret = -EFAULT;
1059                 break;
1060         case SONYPI_IOCSBLUE:
1061                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1062                         ret = -EFAULT;
1063                         break;
1064                 }
1065                 sonypi_setbluetoothpower(val8);
1066                 break;
1067         /* FAN Controls */
1068         case SONYPI_IOCGFAN:
1069                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1070                         ret = -EIO;
1071                         break;
1072                 }
1073                 if (copy_to_user(argp, &val8, sizeof(val8)))
1074                         ret = -EFAULT;
1075                 break;
1076         case SONYPI_IOCSFAN:
1077                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1078                         ret = -EFAULT;
1079                         break;
1080                 }
1081                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1082                         ret = -EIO;
1083                 break;
1084         /* GET Temperature (useful under APM) */
1085         case SONYPI_IOCGTEMP:
1086                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1087                         ret = -EIO;
1088                         break;
1089                 }
1090                 if (copy_to_user(argp, &val8, sizeof(val8)))
1091                         ret = -EFAULT;
1092                 break;
1093         default:
1094                 ret = -EINVAL;
1095         }
1096         up(&sonypi_device.lock);
1097         return ret;
1098 }
1099
1100 static struct file_operations sonypi_misc_fops = {
1101         .owner          = THIS_MODULE,
1102         .read           = sonypi_misc_read,
1103         .poll           = sonypi_misc_poll,
1104         .open           = sonypi_misc_open,
1105         .release        = sonypi_misc_release,
1106         .fasync         = sonypi_misc_fasync,
1107         .ioctl          = sonypi_misc_ioctl,
1108 };
1109
1110 static struct miscdevice sonypi_misc_device = {
1111         .minor          = MISC_DYNAMIC_MINOR,
1112         .name           = "sonypi",
1113         .fops           = &sonypi_misc_fops,
1114 };
1115
1116 static void sonypi_enable(unsigned int camera_on)
1117 {
1118         switch (sonypi_device.model) {
1119         case SONYPI_DEVICE_MODEL_TYPE1:
1120                 sonypi_type1_srs();
1121                 break;
1122         case SONYPI_DEVICE_MODEL_TYPE2:
1123                 sonypi_type2_srs();
1124                 break;
1125         case SONYPI_DEVICE_MODEL_TYPE3:
1126                 sonypi_type3_srs();
1127                 break;
1128         }
1129
1130         sonypi_call1(0x82);
1131         sonypi_call2(0x81, 0xff);
1132         sonypi_call1(compat ? 0x92 : 0x82);
1133
1134         /* Enable ACPI mode to get Fn key events */
1135         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1136                 outb(0xf0, 0xb2);
1137
1138         if (camera && camera_on)
1139                 sonypi_camera_on();
1140 }
1141
1142 static int sonypi_disable(void)
1143 {
1144         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1145         if (camera)
1146                 sonypi_camera_off();
1147
1148         /* disable ACPI mode */
1149         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1150                 outb(0xf1, 0xb2);
1151
1152         switch (sonypi_device.model) {
1153         case SONYPI_DEVICE_MODEL_TYPE1:
1154                 sonypi_type1_dis();
1155                 break;
1156         case SONYPI_DEVICE_MODEL_TYPE2:
1157                 sonypi_type2_dis();
1158                 break;
1159         case SONYPI_DEVICE_MODEL_TYPE3:
1160                 sonypi_type3_dis();
1161                 break;
1162         }
1163
1164         return 0;
1165 }
1166
1167 #ifdef CONFIG_PM
1168 static int old_camera_power;
1169
1170 static int sonypi_suspend(struct device *dev, pm_message_t state)
1171 {
1172         old_camera_power = sonypi_device.camera_power;
1173         sonypi_disable();
1174
1175         return 0;
1176 }
1177
1178 static int sonypi_resume(struct device *dev)
1179 {
1180         sonypi_enable(old_camera_power);
1181         return 0;
1182 }
1183 #endif
1184
1185 static void sonypi_shutdown(struct device *dev)
1186 {
1187         sonypi_disable();
1188 }
1189
1190 static struct device_driver sonypi_driver = {
1191         .name           = "sonypi",
1192         .bus            = &platform_bus_type,
1193 #ifdef CONFIG_PM
1194         .suspend        = sonypi_suspend,
1195         .resume         = sonypi_resume,
1196 #endif
1197         .shutdown       = sonypi_shutdown,
1198 };
1199
1200 static int __devinit sonypi_create_input_devices(void)
1201 {
1202         struct input_dev *jog_dev;
1203         struct input_dev *key_dev;
1204         int i;
1205
1206         sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1207         if (!jog_dev)
1208                 return -ENOMEM;
1209
1210         jog_dev->name = "Sony Vaio Jogdial";
1211         jog_dev->id.bustype = BUS_ISA;
1212         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1213
1214         jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
1215         jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
1216         jog_dev->relbit[0] = BIT(REL_WHEEL);
1217
1218         sonypi_device.input_key_dev = key_dev = input_allocate_device();
1219         if (!key_dev) {
1220                 input_free_device(jog_dev);
1221                 sonypi_device.input_jog_dev = NULL;
1222                 return -ENOMEM;
1223         }
1224
1225         key_dev->name = "Sony Vaio Keys";
1226         key_dev->id.bustype = BUS_ISA;
1227         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1228
1229         /* Initialize the Input Drivers: special keys */
1230         key_dev->evbit[0] = BIT(EV_KEY);
1231         for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1232                 if (sonypi_inputkeys[i].inputev)
1233                         set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1234
1235         input_register_device(jog_dev);
1236         input_register_device(key_dev);
1237
1238         return 0;
1239 }
1240
1241 static int __devinit sonypi_probe(void)
1242 {
1243         int i, ret;
1244         struct sonypi_ioport_list *ioport_list;
1245         struct sonypi_irq_list *irq_list;
1246         struct pci_dev *pcidev;
1247
1248         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1249                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1250                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1251         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1252                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1253                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1254         else
1255                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1256
1257         sonypi_device.dev = pcidev;
1258
1259         spin_lock_init(&sonypi_device.fifo_lock);
1260         sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1261                                          &sonypi_device.fifo_lock);
1262         if (IS_ERR(sonypi_device.fifo)) {
1263                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1264                 ret = PTR_ERR(sonypi_device.fifo);
1265                 goto out_fifo;
1266         }
1267
1268         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1269         init_MUTEX(&sonypi_device.lock);
1270         sonypi_device.bluetooth_power = -1;
1271
1272         if (pcidev && pci_enable_device(pcidev)) {
1273                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1274                 ret = -EIO;
1275                 goto out_pcienable;
1276         }
1277
1278         if (minor != -1)
1279                 sonypi_misc_device.minor = minor;
1280         if ((ret = misc_register(&sonypi_misc_device))) {
1281                 printk(KERN_ERR "sonypi: misc_register failed\n");
1282                 goto out_miscreg;
1283         }
1284
1285
1286         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1287                 ioport_list = sonypi_type1_ioport_list;
1288                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1289                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1290                 irq_list = sonypi_type1_irq_list;
1291         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1292                 ioport_list = sonypi_type2_ioport_list;
1293                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1294                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1295                 irq_list = sonypi_type2_irq_list;
1296         } else {
1297                 ioport_list = sonypi_type3_ioport_list;
1298                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1299                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1300                 irq_list = sonypi_type3_irq_list;
1301         }
1302
1303         for (i = 0; ioport_list[i].port1; i++) {
1304                 if (request_region(ioport_list[i].port1,
1305                                    sonypi_device.region_size,
1306                                    "Sony Programable I/O Device")) {
1307                         /* get the ioport */
1308                         sonypi_device.ioport1 = ioport_list[i].port1;
1309                         sonypi_device.ioport2 = ioport_list[i].port2;
1310                         break;
1311                 }
1312         }
1313         if (!sonypi_device.ioport1) {
1314                 printk(KERN_ERR "sonypi: request_region failed\n");
1315                 ret = -ENODEV;
1316                 goto out_reqreg;
1317         }
1318
1319         for (i = 0; irq_list[i].irq; i++) {
1320
1321                 sonypi_device.irq = irq_list[i].irq;
1322                 sonypi_device.bits = irq_list[i].bits;
1323
1324                 if (!request_irq(sonypi_device.irq, sonypi_irq,
1325                                  SA_SHIRQ, "sonypi", sonypi_irq))
1326                         break;
1327         }
1328
1329         if (!irq_list[i].irq) {
1330                 printk(KERN_ERR "sonypi: request_irq failed\n");
1331                 ret = -ENODEV;
1332                 goto out_reqirq;
1333         }
1334
1335         if (useinput) {
1336
1337                 ret = sonypi_create_input_devices();
1338                 if (ret)
1339                         goto out_inputdevices;
1340
1341                 spin_lock_init(&sonypi_device.input_fifo_lock);
1342                 sonypi_device.input_fifo =
1343                         kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1344                                     &sonypi_device.input_fifo_lock);
1345                 if (IS_ERR(sonypi_device.input_fifo)) {
1346                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1347                         ret = PTR_ERR(sonypi_device.input_fifo);
1348                         goto out_infifo;
1349                 }
1350
1351                 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1352         }
1353
1354         sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1355                                                              NULL, 0);
1356         if (IS_ERR(sonypi_device.pdev)) {
1357                 ret = PTR_ERR(sonypi_device.pdev);
1358                 goto out_platformdev;
1359         }
1360
1361         sonypi_enable(0);
1362
1363         printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1364                "v%s.\n", SONYPI_DRIVER_VERSION);
1365         printk(KERN_INFO "sonypi: detected type%d model, "
1366                "verbose = %d, fnkeyinit = %s, camera = %s, "
1367                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1368                sonypi_device.model,
1369                verbose,
1370                fnkeyinit ? "on" : "off",
1371                camera ? "on" : "off",
1372                compat ? "on" : "off",
1373                mask,
1374                useinput ? "on" : "off",
1375                SONYPI_ACPI_ACTIVE ? "on" : "off");
1376         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1377                sonypi_device.irq,
1378                sonypi_device.ioport1, sonypi_device.ioport2);
1379
1380         if (minor == -1)
1381                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1382                        sonypi_misc_device.minor);
1383
1384         return 0;
1385
1386 out_platformdev:
1387         kfifo_free(sonypi_device.input_fifo);
1388 out_infifo:
1389         input_unregister_device(sonypi_device.input_key_dev);
1390         input_unregister_device(sonypi_device.input_jog_dev);
1391 out_inputdevices:
1392         free_irq(sonypi_device.irq, sonypi_irq);
1393 out_reqirq:
1394         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1395 out_reqreg:
1396         misc_deregister(&sonypi_misc_device);
1397 out_miscreg:
1398         if (pcidev)
1399                 pci_disable_device(pcidev);
1400 out_pcienable:
1401         kfifo_free(sonypi_device.fifo);
1402 out_fifo:
1403         pci_dev_put(sonypi_device.dev);
1404         return ret;
1405 }
1406
1407 static void __devexit sonypi_remove(void)
1408 {
1409         sonypi_disable();
1410
1411         synchronize_sched();  /* Allow sonypi interrupt to complete. */
1412         flush_scheduled_work();
1413
1414         platform_device_unregister(sonypi_device.pdev);
1415
1416         if (useinput) {
1417                 input_unregister_device(sonypi_device.input_key_dev);
1418                 input_unregister_device(sonypi_device.input_jog_dev);
1419                 kfifo_free(sonypi_device.input_fifo);
1420         }
1421
1422         free_irq(sonypi_device.irq, sonypi_irq);
1423         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1424         misc_deregister(&sonypi_misc_device);
1425         if (sonypi_device.dev)
1426                 pci_disable_device(sonypi_device.dev);
1427         kfifo_free(sonypi_device.fifo);
1428         pci_dev_put(sonypi_device.dev);
1429         printk(KERN_INFO "sonypi: removed.\n");
1430 }
1431
1432 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1433         {
1434                 .ident = "Sony Vaio",
1435                 .matches = {
1436                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1437                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1438                 },
1439         },
1440         {
1441                 .ident = "Sony Vaio",
1442                 .matches = {
1443                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1444                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1445                 },
1446         },
1447         { }
1448 };
1449
1450 static int __init sonypi_init(void)
1451 {
1452         int ret;
1453
1454         if (!dmi_check_system(sonypi_dmi_table))
1455                 return -ENODEV;
1456
1457         ret = driver_register(&sonypi_driver);
1458         if (ret)
1459                 return ret;
1460
1461         ret = sonypi_probe();
1462         if (ret)
1463                 driver_unregister(&sonypi_driver);
1464
1465         return ret;
1466 }
1467
1468 static void __exit sonypi_exit(void)
1469 {
1470         driver_unregister(&sonypi_driver);
1471         sonypi_remove();
1472 }
1473
1474 module_init(sonypi_init);
1475 module_exit(sonypi_exit);