Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
[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
102 /* type1 models use those */
103 #define SONYPI_IRQ_PORT                 0x8034
104 #define SONYPI_IRQ_SHIFT                22
105 #define SONYPI_BASE                     0x50
106 #define SONYPI_G10A                     (SONYPI_BASE+0x14)
107 #define SONYPI_TYPE1_REGION_SIZE        0x08
108 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
109
110 /* type2 series specifics */
111 #define SONYPI_SIRQ                     0x9b
112 #define SONYPI_SLOB                     0x9c
113 #define SONYPI_SHIB                     0x9d
114 #define SONYPI_TYPE2_REGION_SIZE        0x20
115 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
116
117 /* battery / brightness addresses */
118 #define SONYPI_BAT_FLAGS        0x81
119 #define SONYPI_LCD_LIGHT        0x96
120 #define SONYPI_BAT1_PCTRM       0xa0
121 #define SONYPI_BAT1_LEFT        0xa2
122 #define SONYPI_BAT1_MAXRT       0xa4
123 #define SONYPI_BAT2_PCTRM       0xa8
124 #define SONYPI_BAT2_LEFT        0xaa
125 #define SONYPI_BAT2_MAXRT       0xac
126 #define SONYPI_BAT1_MAXTK       0xb0
127 #define SONYPI_BAT1_FULL        0xb2
128 #define SONYPI_BAT2_MAXTK       0xb8
129 #define SONYPI_BAT2_FULL        0xba
130
131 /* FAN0 information (reverse engineered from ACPI tables) */
132 #define SONYPI_FAN0_STATUS      0x93
133 #define SONYPI_TEMP_STATUS      0xC1
134
135 /* ioports used for brightness and type2 events */
136 #define SONYPI_DATA_IOPORT      0x62
137 #define SONYPI_CST_IOPORT       0x66
138
139 /* The set of possible ioports */
140 struct sonypi_ioport_list {
141         u16     port1;
142         u16     port2;
143 };
144
145 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
146         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
147         { 0x1080, 0x1084 },
148         { 0x1090, 0x1094 },
149         { 0x10a0, 0x10a4 },
150         { 0x10b0, 0x10b4 },
151         { 0x0, 0x0 }
152 };
153
154 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
155         { 0x1080, 0x1084 },
156         { 0x10a0, 0x10a4 },
157         { 0x10c0, 0x10c4 },
158         { 0x10e0, 0x10e4 },
159         { 0x0, 0x0 }
160 };
161
162 /* The set of possible interrupts */
163 struct sonypi_irq_list {
164         u16     irq;
165         u16     bits;
166 };
167
168 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
169         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
170         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
171         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
172         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
173 };
174
175 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
176         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
177         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
178         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
179         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
180         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
181 };
182
183 #define SONYPI_CAMERA_BRIGHTNESS                0
184 #define SONYPI_CAMERA_CONTRAST                  1
185 #define SONYPI_CAMERA_HUE                       2
186 #define SONYPI_CAMERA_COLOR                     3
187 #define SONYPI_CAMERA_SHARPNESS                 4
188
189 #define SONYPI_CAMERA_PICTURE                   5
190 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
191 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
192 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
193 #define SONYPI_CAMERA_MUTE_MASK                 0x40
194
195 /* the rest don't need a loop until not 0xff */
196 #define SONYPI_CAMERA_AGC                       6
197 #define SONYPI_CAMERA_AGC_MASK                  0x30
198 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
199
200 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
201 #define SONYPI_CAMERA_CONTROL                   0x10
202
203 #define SONYPI_CAMERA_STATUS                    7
204 #define SONYPI_CAMERA_STATUS_READY              0x2
205 #define SONYPI_CAMERA_STATUS_POSITION           0x4
206
207 #define SONYPI_DIRECTION_BACKWARDS              0x4
208
209 #define SONYPI_CAMERA_REVISION                  8
210 #define SONYPI_CAMERA_ROMVERSION                9
211
212 /* Event masks */
213 #define SONYPI_JOGGER_MASK                      0x00000001
214 #define SONYPI_CAPTURE_MASK                     0x00000002
215 #define SONYPI_FNKEY_MASK                       0x00000004
216 #define SONYPI_BLUETOOTH_MASK                   0x00000008
217 #define SONYPI_PKEY_MASK                        0x00000010
218 #define SONYPI_BACK_MASK                        0x00000020
219 #define SONYPI_HELP_MASK                        0x00000040
220 #define SONYPI_LID_MASK                         0x00000080
221 #define SONYPI_ZOOM_MASK                        0x00000100
222 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
223 #define SONYPI_MEYE_MASK                        0x00000400
224 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
225 #define SONYPI_BATTERY_MASK                     0x00001000
226
227 struct sonypi_event {
228         u8      data;
229         u8      event;
230 };
231
232 /* The set of possible button release events */
233 static struct sonypi_event sonypi_releaseev[] = {
234         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
235         { 0, 0 }
236 };
237
238 /* The set of possible jogger events  */
239 static struct sonypi_event sonypi_joggerev[] = {
240         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
241         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
242         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
243         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
244         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
245         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
246         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
247         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
248         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
249         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
250         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
251         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
252         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
253         { 0, 0 }
254 };
255
256 /* The set of possible capture button events */
257 static struct sonypi_event sonypi_captureev[] = {
258         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
259         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
260         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
261         { 0, 0 }
262 };
263
264 /* The set of possible fnkeys events */
265 static struct sonypi_event sonypi_fnkeyev[] = {
266         { 0x10, SONYPI_EVENT_FNKEY_ESC },
267         { 0x11, SONYPI_EVENT_FNKEY_F1 },
268         { 0x12, SONYPI_EVENT_FNKEY_F2 },
269         { 0x13, SONYPI_EVENT_FNKEY_F3 },
270         { 0x14, SONYPI_EVENT_FNKEY_F4 },
271         { 0x15, SONYPI_EVENT_FNKEY_F5 },
272         { 0x16, SONYPI_EVENT_FNKEY_F6 },
273         { 0x17, SONYPI_EVENT_FNKEY_F7 },
274         { 0x18, SONYPI_EVENT_FNKEY_F8 },
275         { 0x19, SONYPI_EVENT_FNKEY_F9 },
276         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
277         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
278         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
279         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
280         { 0x21, SONYPI_EVENT_FNKEY_1 },
281         { 0x22, SONYPI_EVENT_FNKEY_2 },
282         { 0x31, SONYPI_EVENT_FNKEY_D },
283         { 0x32, SONYPI_EVENT_FNKEY_E },
284         { 0x33, SONYPI_EVENT_FNKEY_F },
285         { 0x34, SONYPI_EVENT_FNKEY_S },
286         { 0x35, SONYPI_EVENT_FNKEY_B },
287         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
288         { 0, 0 }
289 };
290
291 /* The set of possible program key events */
292 static struct sonypi_event sonypi_pkeyev[] = {
293         { 0x01, SONYPI_EVENT_PKEY_P1 },
294         { 0x02, SONYPI_EVENT_PKEY_P2 },
295         { 0x04, SONYPI_EVENT_PKEY_P3 },
296         { 0x5c, SONYPI_EVENT_PKEY_P1 },
297         { 0, 0 }
298 };
299
300 /* The set of possible bluetooth events */
301 static struct sonypi_event sonypi_blueev[] = {
302         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
303         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
304         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
305         { 0, 0 }
306 };
307
308 /* The set of possible back button events */
309 static struct sonypi_event sonypi_backev[] = {
310         { 0x20, SONYPI_EVENT_BACK_PRESSED },
311         { 0, 0 }
312 };
313
314 /* The set of possible help button events */
315 static struct sonypi_event sonypi_helpev[] = {
316         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
317         { 0, 0 }
318 };
319
320
321 /* The set of possible lid events */
322 static struct sonypi_event sonypi_lidev[] = {
323         { 0x51, SONYPI_EVENT_LID_CLOSED },
324         { 0x50, SONYPI_EVENT_LID_OPENED },
325         { 0, 0 }
326 };
327
328 /* The set of possible zoom events */
329 static struct sonypi_event sonypi_zoomev[] = {
330         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
331         { 0, 0 }
332 };
333
334 /* The set of possible thumbphrase events */
335 static struct sonypi_event sonypi_thumbphraseev[] = {
336         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
337         { 0, 0 }
338 };
339
340 /* The set of possible motioneye camera events */
341 static struct sonypi_event sonypi_meyeev[] = {
342         { 0x00, SONYPI_EVENT_MEYE_FACE },
343         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
344         { 0, 0 }
345 };
346
347 /* The set of possible memorystick events */
348 static struct sonypi_event sonypi_memorystickev[] = {
349         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
350         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
351         { 0, 0 }
352 };
353
354 /* The set of possible battery events */
355 static struct sonypi_event sonypi_batteryev[] = {
356         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
357         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
358         { 0, 0 }
359 };
360
361 static struct sonypi_eventtypes {
362         int                     model;
363         u8                      data;
364         unsigned long           mask;
365         struct sonypi_event *   events;
366 } sonypi_eventtypes[] = {
367         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
368         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
369         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
370         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
371         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
372         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
373         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
374         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
375         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
376         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
377
378         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
379         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
380         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
381         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
382         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
383         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
384         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
385         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
386         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_HELP_MASK, sonypi_helpev },
387         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
388         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
389         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
390         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
391         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
392         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
393
394         { 0 }
395 };
396
397 #define SONYPI_BUF_SIZE 128
398
399 /* The name of the devices for the input device drivers */
400 #define SONYPI_JOG_INPUTNAME    "Sony Vaio Jogdial"
401 #define SONYPI_KEY_INPUTNAME    "Sony Vaio Keys"
402
403 /* Correspondance table between sonypi events and input layer events */
404 static struct {
405         int sonypiev;
406         int inputev;
407 } sonypi_inputkeys[] = {
408         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
409         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
410         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
411         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
412         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
413         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
414         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
415         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
416         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
417         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
418         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
419         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
420         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
421         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
422         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
423         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
424         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
425         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
426         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
427         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
428         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
429         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
430         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
431         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
432         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
433         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
434         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
435         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
436         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
437         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
438         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
439         { 0, 0 },
440 };
441
442 struct sonypi_keypress {
443         struct input_dev *dev;
444         int key;
445 };
446
447 static struct sonypi_device {
448         struct pci_dev *dev;
449         struct platform_device *pdev;
450         u16 irq;
451         u16 bits;
452         u16 ioport1;
453         u16 ioport2;
454         u16 region_size;
455         u16 evtype_offset;
456         int camera_power;
457         int bluetooth_power;
458         struct semaphore lock;
459         struct kfifo *fifo;
460         spinlock_t fifo_lock;
461         wait_queue_head_t fifo_proc_list;
462         struct fasync_struct *fifo_async;
463         int open_count;
464         int model;
465         struct input_dev input_jog_dev;
466         struct input_dev input_key_dev;
467         struct work_struct input_work;
468         struct kfifo *input_fifo;
469         spinlock_t input_fifo_lock;
470 } sonypi_device;
471
472 #define ITERATIONS_LONG         10000
473 #define ITERATIONS_SHORT        10
474
475 #define wait_on_command(quiet, command, iterations) { \
476         unsigned int n = iterations; \
477         while (--n && (command)) \
478                 udelay(1); \
479         if (!n && (verbose || !quiet)) \
480                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
481 }
482
483 #ifdef CONFIG_ACPI
484 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
485 #else
486 #define SONYPI_ACPI_ACTIVE 0
487 #endif                          /* CONFIG_ACPI */
488
489 static int sonypi_ec_write(u8 addr, u8 value)
490 {
491 #ifdef CONFIG_ACPI_EC
492         if (SONYPI_ACPI_ACTIVE)
493                 return ec_write(addr, value);
494 #endif
495         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
496         outb_p(0x81, SONYPI_CST_IOPORT);
497         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
498         outb_p(addr, SONYPI_DATA_IOPORT);
499         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
500         outb_p(value, SONYPI_DATA_IOPORT);
501         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
502         return 0;
503 }
504
505 static int sonypi_ec_read(u8 addr, u8 *value)
506 {
507 #ifdef CONFIG_ACPI_EC
508         if (SONYPI_ACPI_ACTIVE)
509                 return ec_read(addr, value);
510 #endif
511         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
512         outb_p(0x80, SONYPI_CST_IOPORT);
513         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
514         outb_p(addr, SONYPI_DATA_IOPORT);
515         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
516         *value = inb_p(SONYPI_DATA_IOPORT);
517         return 0;
518 }
519
520 static int ec_read16(u8 addr, u16 *value)
521 {
522         u8 val_lb, val_hb;
523         if (sonypi_ec_read(addr, &val_lb))
524                 return -1;
525         if (sonypi_ec_read(addr + 1, &val_hb))
526                 return -1;
527         *value = val_lb | (val_hb << 8);
528         return 0;
529 }
530
531 /* Initializes the device - this comes from the AML code in the ACPI bios */
532 static void sonypi_type1_srs(void)
533 {
534         u32 v;
535
536         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
537         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
538         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
539
540         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
541         v = (v & 0xFFF0FFFF) |
542             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
543         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
544
545         v = inl(SONYPI_IRQ_PORT);
546         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
547         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
548         outl(v, SONYPI_IRQ_PORT);
549
550         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
551         v = (v & 0xFF1FFFFF) | 0x00C00000;
552         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
553 }
554
555 static void sonypi_type2_srs(void)
556 {
557         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
558                 printk(KERN_WARNING "ec_write failed\n");
559         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
560                 printk(KERN_WARNING "ec_write failed\n");
561         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
562                 printk(KERN_WARNING "ec_write failed\n");
563         udelay(10);
564 }
565
566 /* Disables the device - this comes from the AML code in the ACPI bios */
567 static void sonypi_type1_dis(void)
568 {
569         u32 v;
570
571         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
572         v = v & 0xFF3FFFFF;
573         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
574
575         v = inl(SONYPI_IRQ_PORT);
576         v |= (0x3 << SONYPI_IRQ_SHIFT);
577         outl(v, SONYPI_IRQ_PORT);
578 }
579
580 static void sonypi_type2_dis(void)
581 {
582         if (sonypi_ec_write(SONYPI_SHIB, 0))
583                 printk(KERN_WARNING "ec_write failed\n");
584         if (sonypi_ec_write(SONYPI_SLOB, 0))
585                 printk(KERN_WARNING "ec_write failed\n");
586         if (sonypi_ec_write(SONYPI_SIRQ, 0))
587                 printk(KERN_WARNING "ec_write failed\n");
588 }
589
590 static u8 sonypi_call1(u8 dev)
591 {
592         u8 v1, v2;
593
594         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
595         outb(dev, sonypi_device.ioport2);
596         v1 = inb_p(sonypi_device.ioport2);
597         v2 = inb_p(sonypi_device.ioport1);
598         return v2;
599 }
600
601 static u8 sonypi_call2(u8 dev, u8 fn)
602 {
603         u8 v1;
604
605         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
606         outb(dev, sonypi_device.ioport2);
607         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
608         outb(fn, sonypi_device.ioport1);
609         v1 = inb_p(sonypi_device.ioport1);
610         return v1;
611 }
612
613 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
614 {
615         u8 v1;
616
617         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
618         outb(dev, sonypi_device.ioport2);
619         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
620         outb(fn, sonypi_device.ioport1);
621         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
622         outb(v, sonypi_device.ioport1);
623         v1 = inb_p(sonypi_device.ioport1);
624         return v1;
625 }
626
627 #if 0
628 /* Get brightness, hue etc. Unreliable... */
629 static u8 sonypi_read(u8 fn)
630 {
631         u8 v1, v2;
632         int n = 100;
633
634         while (n--) {
635                 v1 = sonypi_call2(0x8f, fn);
636                 v2 = sonypi_call2(0x8f, fn);
637                 if (v1 == v2 && v1 != 0xff)
638                         return v1;
639         }
640         return 0xff;
641 }
642 #endif
643
644 /* Set brightness, hue etc */
645 static void sonypi_set(u8 fn, u8 v)
646 {
647         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
648 }
649
650 /* Tests if the camera is ready */
651 static int sonypi_camera_ready(void)
652 {
653         u8 v;
654
655         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
656         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
657 }
658
659 /* Turns the camera off */
660 static void sonypi_camera_off(void)
661 {
662         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
663
664         if (!sonypi_device.camera_power)
665                 return;
666
667         sonypi_call2(0x91, 0);
668         sonypi_device.camera_power = 0;
669 }
670
671 /* Turns the camera on */
672 static void sonypi_camera_on(void)
673 {
674         int i, j;
675
676         if (sonypi_device.camera_power)
677                 return;
678
679         for (j = 5; j > 0; j--) {
680
681                 while (sonypi_call2(0x91, 0x1))
682                         msleep(10);
683                 sonypi_call1(0x93);
684
685                 for (i = 400; i > 0; i--) {
686                         if (sonypi_camera_ready())
687                                 break;
688                         msleep(10);
689                 }
690                 if (i)
691                         break;
692         }
693
694         if (j == 0) {
695                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
696                 return;
697         }
698
699         sonypi_set(0x10, 0x5a);
700         sonypi_device.camera_power = 1;
701 }
702
703 /* sets the bluetooth subsystem power state */
704 static void sonypi_setbluetoothpower(u8 state)
705 {
706         state = !!state;
707
708         if (sonypi_device.bluetooth_power == state)
709                 return;
710
711         sonypi_call2(0x96, state);
712         sonypi_call1(0x82);
713         sonypi_device.bluetooth_power = state;
714 }
715
716 static void input_keyrelease(void *data)
717 {
718         struct sonypi_keypress kp;
719
720         while (kfifo_get(sonypi_device.input_fifo, (unsigned char *)&kp,
721                          sizeof(kp)) == sizeof(kp)) {
722                 msleep(10);
723                 input_report_key(kp.dev, kp.key, 0);
724                 input_sync(kp.dev);
725         }
726 }
727
728 static void sonypi_report_input_event(u8 event)
729 {
730         struct input_dev *jog_dev = &sonypi_device.input_jog_dev;
731         struct input_dev *key_dev = &sonypi_device.input_key_dev;
732         struct sonypi_keypress kp = { NULL };
733         int i;
734
735         switch (event) {
736         case SONYPI_EVENT_JOGDIAL_UP:
737         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
738                 input_report_rel(jog_dev, REL_WHEEL, 1);
739                 input_sync(jog_dev);
740                 break;
741
742         case SONYPI_EVENT_JOGDIAL_DOWN:
743         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
744                 input_report_rel(jog_dev, REL_WHEEL, -1);
745                 input_sync(jog_dev);
746                 break;
747
748         case SONYPI_EVENT_JOGDIAL_PRESSED:
749                 kp.key = BTN_MIDDLE;
750                 kp.dev = jog_dev;
751                 break;
752
753         case SONYPI_EVENT_FNKEY_RELEASED:
754                 /* Nothing, not all VAIOs generate this event */
755                 break;
756
757         default:
758                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
759                         if (event == sonypi_inputkeys[i].sonypiev) {
760                                 kp.dev = key_dev;
761                                 kp.key = sonypi_inputkeys[i].inputev;
762                                 break;
763                         }
764                 break;
765         }
766
767         if (kp.dev) {
768                 input_report_key(kp.dev, kp.key, 1);
769                 input_sync(kp.dev);
770                 kfifo_put(sonypi_device.input_fifo,
771                           (unsigned char *)&kp, sizeof(kp));
772                 schedule_work(&sonypi_device.input_work);
773         }
774 }
775
776 /* Interrupt handler: some event is available */
777 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
778 {
779         u8 v1, v2, event = 0;
780         int i, j;
781
782         v1 = inb_p(sonypi_device.ioport1);
783         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
784
785         for (i = 0; sonypi_eventtypes[i].model; i++) {
786                 if (sonypi_device.model != sonypi_eventtypes[i].model)
787                         continue;
788                 if ((v2 & sonypi_eventtypes[i].data) !=
789                     sonypi_eventtypes[i].data)
790                         continue;
791                 if (!(mask & sonypi_eventtypes[i].mask))
792                         continue;
793                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
794                         if (v1 == sonypi_eventtypes[i].events[j].data) {
795                                 event = sonypi_eventtypes[i].events[j].event;
796                                 goto found;
797                         }
798                 }
799         }
800
801         if (verbose)
802                 printk(KERN_WARNING
803                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
804                        v1, v2);
805         /* We need to return IRQ_HANDLED here because there *are*
806          * events belonging to the sonypi device we don't know about,
807          * but we still don't want those to pollute the logs... */
808         return IRQ_HANDLED;
809
810 found:
811         if (verbose > 1)
812                 printk(KERN_INFO
813                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
814
815         if (useinput)
816                 sonypi_report_input_event(event);
817
818         kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
819         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
820         wake_up_interruptible(&sonypi_device.fifo_proc_list);
821
822         return IRQ_HANDLED;
823 }
824
825 /* External camera command (exported to the motion eye v4l driver) */
826 int sonypi_camera_command(int command, u8 value)
827 {
828         if (!camera)
829                 return -EIO;
830
831         down(&sonypi_device.lock);
832
833         switch (command) {
834         case SONYPI_COMMAND_SETCAMERA:
835                 if (value)
836                         sonypi_camera_on();
837                 else
838                         sonypi_camera_off();
839                 break;
840         case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
841                 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
842                 break;
843         case SONYPI_COMMAND_SETCAMERACONTRAST:
844                 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
845                 break;
846         case SONYPI_COMMAND_SETCAMERAHUE:
847                 sonypi_set(SONYPI_CAMERA_HUE, value);
848                 break;
849         case SONYPI_COMMAND_SETCAMERACOLOR:
850                 sonypi_set(SONYPI_CAMERA_COLOR, value);
851                 break;
852         case SONYPI_COMMAND_SETCAMERASHARPNESS:
853                 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
854                 break;
855         case SONYPI_COMMAND_SETCAMERAPICTURE:
856                 sonypi_set(SONYPI_CAMERA_PICTURE, value);
857                 break;
858         case SONYPI_COMMAND_SETCAMERAAGC:
859                 sonypi_set(SONYPI_CAMERA_AGC, value);
860                 break;
861         default:
862                 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
863                        command);
864                 break;
865         }
866         up(&sonypi_device.lock);
867         return 0;
868 }
869
870 EXPORT_SYMBOL(sonypi_camera_command);
871
872 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
873 {
874         int retval;
875
876         retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
877         if (retval < 0)
878                 return retval;
879         return 0;
880 }
881
882 static int sonypi_misc_release(struct inode *inode, struct file *file)
883 {
884         sonypi_misc_fasync(-1, file, 0);
885         down(&sonypi_device.lock);
886         sonypi_device.open_count--;
887         up(&sonypi_device.lock);
888         return 0;
889 }
890
891 static int sonypi_misc_open(struct inode *inode, struct file *file)
892 {
893         down(&sonypi_device.lock);
894         /* Flush input queue on first open */
895         if (!sonypi_device.open_count)
896                 kfifo_reset(sonypi_device.fifo);
897         sonypi_device.open_count++;
898         up(&sonypi_device.lock);
899         return 0;
900 }
901
902 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
903                                 size_t count, loff_t *pos)
904 {
905         ssize_t ret;
906         unsigned char c;
907
908         if ((kfifo_len(sonypi_device.fifo) == 0) &&
909             (file->f_flags & O_NONBLOCK))
910                 return -EAGAIN;
911
912         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
913                                        kfifo_len(sonypi_device.fifo) != 0);
914         if (ret)
915                 return ret;
916
917         while (ret < count &&
918                (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
919                 if (put_user(c, buf++))
920                         return -EFAULT;
921                 ret++;
922         }
923
924         if (ret > 0) {
925                 struct inode *inode = file->f_dentry->d_inode;
926                 inode->i_atime = current_fs_time(inode->i_sb);
927         }
928
929         return ret;
930 }
931
932 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
933 {
934         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
935         if (kfifo_len(sonypi_device.fifo))
936                 return POLLIN | POLLRDNORM;
937         return 0;
938 }
939
940 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
941                              unsigned int cmd, unsigned long arg)
942 {
943         int ret = 0;
944         void __user *argp = (void __user *)arg;
945         u8 val8;
946         u16 val16;
947
948         down(&sonypi_device.lock);
949         switch (cmd) {
950         case SONYPI_IOCGBRT:
951                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
952                         ret = -EIO;
953                         break;
954                 }
955                 if (copy_to_user(argp, &val8, sizeof(val8)))
956                         ret = -EFAULT;
957                 break;
958         case SONYPI_IOCSBRT:
959                 if (copy_from_user(&val8, argp, sizeof(val8))) {
960                         ret = -EFAULT;
961                         break;
962                 }
963                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
964                         ret = -EIO;
965                 break;
966         case SONYPI_IOCGBAT1CAP:
967                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
968                         ret = -EIO;
969                         break;
970                 }
971                 if (copy_to_user(argp, &val16, sizeof(val16)))
972                         ret = -EFAULT;
973                 break;
974         case SONYPI_IOCGBAT1REM:
975                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
976                         ret = -EIO;
977                         break;
978                 }
979                 if (copy_to_user(argp, &val16, sizeof(val16)))
980                         ret = -EFAULT;
981                 break;
982         case SONYPI_IOCGBAT2CAP:
983                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
984                         ret = -EIO;
985                         break;
986                 }
987                 if (copy_to_user(argp, &val16, sizeof(val16)))
988                         ret = -EFAULT;
989                 break;
990         case SONYPI_IOCGBAT2REM:
991                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
992                         ret = -EIO;
993                         break;
994                 }
995                 if (copy_to_user(argp, &val16, sizeof(val16)))
996                         ret = -EFAULT;
997                 break;
998         case SONYPI_IOCGBATFLAGS:
999                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1000                         ret = -EIO;
1001                         break;
1002                 }
1003                 val8 &= 0x07;
1004                 if (copy_to_user(argp, &val8, sizeof(val8)))
1005                         ret = -EFAULT;
1006                 break;
1007         case SONYPI_IOCGBLUE:
1008                 val8 = sonypi_device.bluetooth_power;
1009                 if (copy_to_user(argp, &val8, sizeof(val8)))
1010                         ret = -EFAULT;
1011                 break;
1012         case SONYPI_IOCSBLUE:
1013                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1014                         ret = -EFAULT;
1015                         break;
1016                 }
1017                 sonypi_setbluetoothpower(val8);
1018                 break;
1019         /* FAN Controls */
1020         case SONYPI_IOCGFAN:
1021                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1022                         ret = -EIO;
1023                         break;
1024                 }
1025                 if (copy_to_user(argp, &val8, sizeof(val8)))
1026                         ret = -EFAULT;
1027                 break;
1028         case SONYPI_IOCSFAN:
1029                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1030                         ret = -EFAULT;
1031                         break;
1032                 }
1033                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1034                         ret = -EIO;
1035                 break;
1036         /* GET Temperature (useful under APM) */
1037         case SONYPI_IOCGTEMP:
1038                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1039                         ret = -EIO;
1040                         break;
1041                 }
1042                 if (copy_to_user(argp, &val8, sizeof(val8)))
1043                         ret = -EFAULT;
1044                 break;
1045         default:
1046                 ret = -EINVAL;
1047         }
1048         up(&sonypi_device.lock);
1049         return ret;
1050 }
1051
1052 static struct file_operations sonypi_misc_fops = {
1053         .owner          = THIS_MODULE,
1054         .read           = sonypi_misc_read,
1055         .poll           = sonypi_misc_poll,
1056         .open           = sonypi_misc_open,
1057         .release        = sonypi_misc_release,
1058         .fasync         = sonypi_misc_fasync,
1059         .ioctl          = sonypi_misc_ioctl,
1060 };
1061
1062 static struct miscdevice sonypi_misc_device = {
1063         .minor          = MISC_DYNAMIC_MINOR,
1064         .name           = "sonypi",
1065         .fops           = &sonypi_misc_fops,
1066 };
1067
1068 static void sonypi_enable(unsigned int camera_on)
1069 {
1070         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
1071                 sonypi_type2_srs();
1072         else
1073                 sonypi_type1_srs();
1074
1075         sonypi_call1(0x82);
1076         sonypi_call2(0x81, 0xff);
1077         sonypi_call1(compat ? 0x92 : 0x82);
1078
1079         /* Enable ACPI mode to get Fn key events */
1080         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1081                 outb(0xf0, 0xb2);
1082
1083         if (camera && camera_on)
1084                 sonypi_camera_on();
1085 }
1086
1087 static int sonypi_disable(void)
1088 {
1089         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1090         if (camera)
1091                 sonypi_camera_off();
1092
1093         /* disable ACPI mode */
1094         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1095                 outb(0xf1, 0xb2);
1096
1097         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
1098                 sonypi_type2_dis();
1099         else
1100                 sonypi_type1_dis();
1101         return 0;
1102 }
1103
1104 #ifdef CONFIG_PM
1105 static int old_camera_power;
1106
1107 static int sonypi_suspend(struct device *dev, pm_message_t state, u32 level)
1108 {
1109         if (level == SUSPEND_DISABLE) {
1110                 old_camera_power = sonypi_device.camera_power;
1111                 sonypi_disable();
1112         }
1113         return 0;
1114 }
1115
1116 static int sonypi_resume(struct device *dev, u32 level)
1117 {
1118         if (level == RESUME_ENABLE)
1119                 sonypi_enable(old_camera_power);
1120         return 0;
1121 }
1122 #endif
1123
1124 static void sonypi_shutdown(struct device *dev)
1125 {
1126         sonypi_disable();
1127 }
1128
1129 static struct device_driver sonypi_driver = {
1130         .name           = "sonypi",
1131         .bus            = &platform_bus_type,
1132 #ifdef CONFIG_PM
1133         .suspend        = sonypi_suspend,
1134         .resume         = sonypi_resume,
1135 #endif
1136         .shutdown       = sonypi_shutdown,
1137 };
1138
1139 static int __devinit sonypi_probe(void)
1140 {
1141         int i, ret;
1142         struct sonypi_ioport_list *ioport_list;
1143         struct sonypi_irq_list *irq_list;
1144         struct pci_dev *pcidev;
1145
1146         pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1147                                 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1148
1149         sonypi_device.dev = pcidev;
1150         sonypi_device.model = pcidev ?
1151                 SONYPI_DEVICE_MODEL_TYPE1 : SONYPI_DEVICE_MODEL_TYPE2;
1152
1153         spin_lock_init(&sonypi_device.fifo_lock);
1154         sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1155                                          &sonypi_device.fifo_lock);
1156         if (IS_ERR(sonypi_device.fifo)) {
1157                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1158                 ret = PTR_ERR(sonypi_device.fifo);
1159                 goto out_fifo;
1160         }
1161
1162         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1163         init_MUTEX(&sonypi_device.lock);
1164         sonypi_device.bluetooth_power = -1;
1165
1166         if (pcidev && pci_enable_device(pcidev)) {
1167                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1168                 ret = -EIO;
1169                 goto out_pcienable;
1170         }
1171
1172         if (minor != -1)
1173                 sonypi_misc_device.minor = minor;
1174         if ((ret = misc_register(&sonypi_misc_device))) {
1175                 printk(KERN_ERR "sonypi: misc_register failed\n");
1176                 goto out_miscreg;
1177         }
1178
1179         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1180                 ioport_list = sonypi_type2_ioport_list;
1181                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1182                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1183                 irq_list = sonypi_type2_irq_list;
1184         } else {
1185                 ioport_list = sonypi_type1_ioport_list;
1186                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1187                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1188                 irq_list = sonypi_type1_irq_list;
1189         }
1190
1191         for (i = 0; ioport_list[i].port1; i++) {
1192                 if (request_region(ioport_list[i].port1,
1193                                    sonypi_device.region_size,
1194                                    "Sony Programable I/O Device")) {
1195                         /* get the ioport */
1196                         sonypi_device.ioport1 = ioport_list[i].port1;
1197                         sonypi_device.ioport2 = ioport_list[i].port2;
1198                         break;
1199                 }
1200         }
1201         if (!sonypi_device.ioport1) {
1202                 printk(KERN_ERR "sonypi: request_region failed\n");
1203                 ret = -ENODEV;
1204                 goto out_reqreg;
1205         }
1206
1207         for (i = 0; irq_list[i].irq; i++) {
1208
1209                 sonypi_device.irq = irq_list[i].irq;
1210                 sonypi_device.bits = irq_list[i].bits;
1211
1212                 if (!request_irq(sonypi_device.irq, sonypi_irq,
1213                                  SA_SHIRQ, "sonypi", sonypi_irq))
1214                         break;
1215         }
1216
1217         if (!irq_list[i].irq) {
1218                 printk(KERN_ERR "sonypi: request_irq failed\n");
1219                 ret = -ENODEV;
1220                 goto out_reqirq;
1221         }
1222
1223         if (useinput) {
1224                 /* Initialize the Input Drivers: jogdial */
1225                 int i;
1226                 sonypi_device.input_jog_dev.evbit[0] =
1227                         BIT(EV_KEY) | BIT(EV_REL);
1228                 sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
1229                         BIT(BTN_MIDDLE);
1230                 sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
1231                 sonypi_device.input_jog_dev.name = SONYPI_JOG_INPUTNAME;
1232                 sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
1233                 sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
1234
1235                 input_register_device(&sonypi_device.input_jog_dev);
1236                 printk(KERN_INFO "%s input method installed.\n",
1237                        sonypi_device.input_jog_dev.name);
1238
1239                 /* Initialize the Input Drivers: special keys */
1240                 sonypi_device.input_key_dev.evbit[0] = BIT(EV_KEY);
1241                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1242                         if (sonypi_inputkeys[i].inputev)
1243                                 set_bit(sonypi_inputkeys[i].inputev,
1244                                         sonypi_device.input_key_dev.keybit);
1245                 sonypi_device.input_key_dev.name = SONYPI_KEY_INPUTNAME;
1246                 sonypi_device.input_key_dev.id.bustype = BUS_ISA;
1247                 sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
1248
1249                 input_register_device(&sonypi_device.input_key_dev);
1250                 printk(KERN_INFO "%s input method installed.\n",
1251                        sonypi_device.input_key_dev.name);
1252
1253                 spin_lock_init(&sonypi_device.input_fifo_lock);
1254                 sonypi_device.input_fifo =
1255                         kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1256                                     &sonypi_device.input_fifo_lock);
1257                 if (IS_ERR(sonypi_device.input_fifo)) {
1258                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1259                         ret = PTR_ERR(sonypi_device.input_fifo);
1260                         goto out_infifo;
1261                 }
1262
1263                 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1264         }
1265
1266         sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1267                                                              NULL, 0);
1268         if (IS_ERR(sonypi_device.pdev)) {
1269                 ret = PTR_ERR(sonypi_device.pdev);
1270                 goto out_platformdev;
1271         }
1272
1273         sonypi_enable(0);
1274
1275         printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1276                "v%s.\n", SONYPI_DRIVER_VERSION);
1277         printk(KERN_INFO "sonypi: detected %s model, "
1278                "verbose = %d, fnkeyinit = %s, camera = %s, "
1279                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1280                (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) ?
1281                         "type1" : "type2",
1282                verbose,
1283                fnkeyinit ? "on" : "off",
1284                camera ? "on" : "off",
1285                compat ? "on" : "off",
1286                mask,
1287                useinput ? "on" : "off",
1288                SONYPI_ACPI_ACTIVE ? "on" : "off");
1289         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1290                sonypi_device.irq,
1291                sonypi_device.ioport1, sonypi_device.ioport2);
1292
1293         if (minor == -1)
1294                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1295                        sonypi_misc_device.minor);
1296
1297         return 0;
1298
1299 out_platformdev:
1300         kfifo_free(sonypi_device.input_fifo);
1301 out_infifo:
1302         input_unregister_device(&sonypi_device.input_key_dev);
1303         input_unregister_device(&sonypi_device.input_jog_dev);
1304         free_irq(sonypi_device.irq, sonypi_irq);
1305 out_reqirq:
1306         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1307 out_reqreg:
1308         misc_deregister(&sonypi_misc_device);
1309 out_miscreg:
1310         if (pcidev)
1311                 pci_disable_device(pcidev);
1312 out_pcienable:
1313         kfifo_free(sonypi_device.fifo);
1314 out_fifo:
1315         pci_dev_put(sonypi_device.dev);
1316         return ret;
1317 }
1318
1319 static void __devexit sonypi_remove(void)
1320 {
1321         sonypi_disable();
1322
1323         synchronize_sched();  /* Allow sonypi interrupt to complete. */
1324         flush_scheduled_work();
1325
1326         platform_device_unregister(sonypi_device.pdev);
1327
1328         if (useinput) {
1329                 input_unregister_device(&sonypi_device.input_key_dev);
1330                 input_unregister_device(&sonypi_device.input_jog_dev);
1331                 kfifo_free(sonypi_device.input_fifo);
1332         }
1333
1334         free_irq(sonypi_device.irq, sonypi_irq);
1335         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1336         misc_deregister(&sonypi_misc_device);
1337         if (sonypi_device.dev)
1338                 pci_disable_device(sonypi_device.dev);
1339         kfifo_free(sonypi_device.fifo);
1340         pci_dev_put(sonypi_device.dev);
1341         printk(KERN_INFO "sonypi: removed.\n");
1342 }
1343
1344 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1345         {
1346                 .ident = "Sony Vaio",
1347                 .matches = {
1348                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1349                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1350                 },
1351         },
1352         {
1353                 .ident = "Sony Vaio",
1354                 .matches = {
1355                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1356                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1357                 },
1358         },
1359         { }
1360 };
1361
1362 static int __init sonypi_init(void)
1363 {
1364         int ret;
1365
1366         if (!dmi_check_system(sonypi_dmi_table))
1367                 return -ENODEV;
1368
1369         ret = driver_register(&sonypi_driver);
1370         if (ret)
1371                 return ret;
1372
1373         ret = sonypi_probe();
1374         if (ret)
1375                 driver_unregister(&sonypi_driver);
1376
1377         return ret;
1378 }
1379
1380 static void __exit sonypi_exit(void)
1381 {
1382         driver_unregister(&sonypi_driver);
1383         sonypi_remove();
1384 }
1385
1386 module_init(sonypi_init);
1387 module_exit(sonypi_exit);