Version:  2.0.40 2.2.26 2.4.37 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15

Linux/drivers/char/sonypi.c

  1 /*
  2  * Sony Programmable I/O Control Device driver for VAIO
  3  *
  4  * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
  5  *
  6  * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
  7  *
  8  * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
  9  *
 10  * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com>
 11  *
 12  * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
 13  *
 14  * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
 15  *
 16  * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
 17  *
 18  * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
 19  *
 20  * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
 21  *
 22  * This program is free software; you can redistribute it and/or modify
 23  * it under the terms of the GNU General Public License as published by
 24  * the Free Software Foundation; either version 2 of the License, or
 25  * (at your option) any later version.
 26  *
 27  * This program is distributed in the hope that it will be useful,
 28  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 29  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 30  * GNU General Public License for more details.
 31  *
 32  * You should have received a copy of the GNU General Public License
 33  * along with this program; if not, write to the Free Software
 34  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 35  *
 36  */
 37 
 38 #include <linux/module.h>
 39 #include <linux/sched.h>
 40 #include <linux/input.h>
 41 #include <linux/pci.h>
 42 #include <linux/init.h>
 43 #include <linux/interrupt.h>
 44 #include <linux/miscdevice.h>
 45 #include <linux/poll.h>
 46 #include <linux/delay.h>
 47 #include <linux/wait.h>
 48 #include <linux/acpi.h>
 49 #include <linux/dmi.h>
 50 #include <linux/err.h>
 51 #include <linux/kfifo.h>
 52 #include <linux/platform_device.h>
 53 #include <linux/gfp.h>
 54 
 55 #include <asm/uaccess.h>
 56 #include <asm/io.h>
 57 
 58 #include <linux/sonypi.h>
 59 
 60 #define SONYPI_DRIVER_VERSION    "1.26"
 61 
 62 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
 63 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
 64 MODULE_LICENSE("GPL");
 65 MODULE_VERSION(SONYPI_DRIVER_VERSION);
 66 
 67 static int minor = -1;
 68 module_param(minor, int, 0);
 69 MODULE_PARM_DESC(minor,
 70                  "minor number of the misc device, default is -1 (automatic)");
 71 
 72 static int verbose;             /* = 0 */
 73 module_param(verbose, int, 0644);
 74 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
 75 
 76 static int fnkeyinit;           /* = 0 */
 77 module_param(fnkeyinit, int, 0444);
 78 MODULE_PARM_DESC(fnkeyinit,
 79                  "set this if your Fn keys do not generate any event");
 80 
 81 static int camera;              /* = 0 */
 82 module_param(camera, int, 0444);
 83 MODULE_PARM_DESC(camera,
 84                  "set this if you have a MotionEye camera (PictureBook series)");
 85 
 86 static int compat;              /* = 0 */
 87 module_param(compat, int, 0444);
 88 MODULE_PARM_DESC(compat,
 89                  "set this if you want to enable backward compatibility mode");
 90 
 91 static unsigned long mask = 0xffffffff;
 92 module_param(mask, ulong, 0644);
 93 MODULE_PARM_DESC(mask,
 94                  "set this to the mask of event you want to enable (see doc)");
 95 
 96 static int useinput = 1;
 97 module_param(useinput, int, 0444);
 98 MODULE_PARM_DESC(useinput,
 99                  "set this if you would like sonypi to feed events to the input subsystem");
100 
101 static int check_ioport = 1;
102 module_param(check_ioport, int, 0444);
103 MODULE_PARM_DESC(check_ioport,
104                  "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
105 
106 #define SONYPI_DEVICE_MODEL_TYPE1       1
107 #define SONYPI_DEVICE_MODEL_TYPE2       2
108 #define SONYPI_DEVICE_MODEL_TYPE3       3
109 
110 /* type1 models use those */
111 #define SONYPI_IRQ_PORT                 0x8034
112 #define SONYPI_IRQ_SHIFT                22
113 #define SONYPI_TYPE1_BASE               0x50
114 #define SONYPI_G10A                     (SONYPI_TYPE1_BASE+0x14)
115 #define SONYPI_TYPE1_REGION_SIZE        0x08
116 #define SONYPI_TYPE1_EVTYPE_OFFSET      0x04
117 
118 /* type2 series specifics */
119 #define SONYPI_SIRQ                     0x9b
120 #define SONYPI_SLOB                     0x9c
121 #define SONYPI_SHIB                     0x9d
122 #define SONYPI_TYPE2_REGION_SIZE        0x20
123 #define SONYPI_TYPE2_EVTYPE_OFFSET      0x12
124 
125 /* type3 series specifics */
126 #define SONYPI_TYPE3_BASE               0x40
127 #define SONYPI_TYPE3_GID2               (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
128 #define SONYPI_TYPE3_MISC               (SONYPI_TYPE3_BASE+0x6d) /* 8 bits  */
129 #define SONYPI_TYPE3_REGION_SIZE        0x20
130 #define SONYPI_TYPE3_EVTYPE_OFFSET      0x12
131 
132 /* battery / brightness addresses */
133 #define SONYPI_BAT_FLAGS        0x81
134 #define SONYPI_LCD_LIGHT        0x96
135 #define SONYPI_BAT1_PCTRM       0xa0
136 #define SONYPI_BAT1_LEFT        0xa2
137 #define SONYPI_BAT1_MAXRT       0xa4
138 #define SONYPI_BAT2_PCTRM       0xa8
139 #define SONYPI_BAT2_LEFT        0xaa
140 #define SONYPI_BAT2_MAXRT       0xac
141 #define SONYPI_BAT1_MAXTK       0xb0
142 #define SONYPI_BAT1_FULL        0xb2
143 #define SONYPI_BAT2_MAXTK       0xb8
144 #define SONYPI_BAT2_FULL        0xba
145 
146 /* FAN0 information (reverse engineered from ACPI tables) */
147 #define SONYPI_FAN0_STATUS      0x93
148 #define SONYPI_TEMP_STATUS      0xC1
149 
150 /* ioports used for brightness and type2 events */
151 #define SONYPI_DATA_IOPORT      0x62
152 #define SONYPI_CST_IOPORT       0x66
153 
154 /* The set of possible ioports */
155 struct sonypi_ioport_list {
156         u16     port1;
157         u16     port2;
158 };
159 
160 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
161         { 0x10c0, 0x10c4 },     /* looks like the default on C1Vx */
162         { 0x1080, 0x1084 },
163         { 0x1090, 0x1094 },
164         { 0x10a0, 0x10a4 },
165         { 0x10b0, 0x10b4 },
166         { 0x0, 0x0 }
167 };
168 
169 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
170         { 0x1080, 0x1084 },
171         { 0x10a0, 0x10a4 },
172         { 0x10c0, 0x10c4 },
173         { 0x10e0, 0x10e4 },
174         { 0x0, 0x0 }
175 };
176 
177 /* same as in type 2 models */
178 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
179         sonypi_type2_ioport_list;
180 
181 /* The set of possible interrupts */
182 struct sonypi_irq_list {
183         u16     irq;
184         u16     bits;
185 };
186 
187 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
188         { 11, 0x2 },    /* IRQ 11, GO22=0,GO23=1 in AML */
189         { 10, 0x1 },    /* IRQ 10, GO22=1,GO23=0 in AML */
190         {  5, 0x0 },    /* IRQ  5, GO22=0,GO23=0 in AML */
191         {  0, 0x3 }     /* no IRQ, GO22=1,GO23=1 in AML */
192 };
193 
194 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
195         { 11, 0x80 },   /* IRQ 11, 0x80 in SIRQ in AML */
196         { 10, 0x40 },   /* IRQ 10, 0x40 in SIRQ in AML */
197         {  9, 0x20 },   /* IRQ  9, 0x20 in SIRQ in AML */
198         {  6, 0x10 },   /* IRQ  6, 0x10 in SIRQ in AML */
199         {  0, 0x00 }    /* no IRQ, 0x00 in SIRQ in AML */
200 };
201 
202 /* same as in type2 models */
203 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
204 
205 #define SONYPI_CAMERA_BRIGHTNESS                0
206 #define SONYPI_CAMERA_CONTRAST                  1
207 #define SONYPI_CAMERA_HUE                       2
208 #define SONYPI_CAMERA_COLOR                     3
209 #define SONYPI_CAMERA_SHARPNESS                 4
210 
211 #define SONYPI_CAMERA_PICTURE                   5
212 #define SONYPI_CAMERA_EXPOSURE_MASK             0xC
213 #define SONYPI_CAMERA_WHITE_BALANCE_MASK        0x3
214 #define SONYPI_CAMERA_PICTURE_MODE_MASK         0x30
215 #define SONYPI_CAMERA_MUTE_MASK                 0x40
216 
217 /* the rest don't need a loop until not 0xff */
218 #define SONYPI_CAMERA_AGC                       6
219 #define SONYPI_CAMERA_AGC_MASK                  0x30
220 #define SONYPI_CAMERA_SHUTTER_MASK              0x7
221 
222 #define SONYPI_CAMERA_SHUTDOWN_REQUEST          7
223 #define SONYPI_CAMERA_CONTROL                   0x10
224 
225 #define SONYPI_CAMERA_STATUS                    7
226 #define SONYPI_CAMERA_STATUS_READY              0x2
227 #define SONYPI_CAMERA_STATUS_POSITION           0x4
228 
229 #define SONYPI_DIRECTION_BACKWARDS              0x4
230 
231 #define SONYPI_CAMERA_REVISION                  8
232 #define SONYPI_CAMERA_ROMVERSION                9
233 
234 /* Event masks */
235 #define SONYPI_JOGGER_MASK                      0x00000001
236 #define SONYPI_CAPTURE_MASK                     0x00000002
237 #define SONYPI_FNKEY_MASK                       0x00000004
238 #define SONYPI_BLUETOOTH_MASK                   0x00000008
239 #define SONYPI_PKEY_MASK                        0x00000010
240 #define SONYPI_BACK_MASK                        0x00000020
241 #define SONYPI_HELP_MASK                        0x00000040
242 #define SONYPI_LID_MASK                         0x00000080
243 #define SONYPI_ZOOM_MASK                        0x00000100
244 #define SONYPI_THUMBPHRASE_MASK                 0x00000200
245 #define SONYPI_MEYE_MASK                        0x00000400
246 #define SONYPI_MEMORYSTICK_MASK                 0x00000800
247 #define SONYPI_BATTERY_MASK                     0x00001000
248 #define SONYPI_WIRELESS_MASK                    0x00002000
249 
250 struct sonypi_event {
251         u8      data;
252         u8      event;
253 };
254 
255 /* The set of possible button release events */
256 static struct sonypi_event sonypi_releaseev[] = {
257         { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
258         { 0, 0 }
259 };
260 
261 /* The set of possible jogger events  */
262 static struct sonypi_event sonypi_joggerev[] = {
263         { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
264         { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
265         { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
266         { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
267         { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
268         { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
269         { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
270         { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
271         { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
272         { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
273         { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
274         { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
275         { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
276         { 0, 0 }
277 };
278 
279 /* The set of possible capture button events */
280 static struct sonypi_event sonypi_captureev[] = {
281         { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
282         { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
283         { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
284         { 0, 0 }
285 };
286 
287 /* The set of possible fnkeys events */
288 static struct sonypi_event sonypi_fnkeyev[] = {
289         { 0x10, SONYPI_EVENT_FNKEY_ESC },
290         { 0x11, SONYPI_EVENT_FNKEY_F1 },
291         { 0x12, SONYPI_EVENT_FNKEY_F2 },
292         { 0x13, SONYPI_EVENT_FNKEY_F3 },
293         { 0x14, SONYPI_EVENT_FNKEY_F4 },
294         { 0x15, SONYPI_EVENT_FNKEY_F5 },
295         { 0x16, SONYPI_EVENT_FNKEY_F6 },
296         { 0x17, SONYPI_EVENT_FNKEY_F7 },
297         { 0x18, SONYPI_EVENT_FNKEY_F8 },
298         { 0x19, SONYPI_EVENT_FNKEY_F9 },
299         { 0x1a, SONYPI_EVENT_FNKEY_F10 },
300         { 0x1b, SONYPI_EVENT_FNKEY_F11 },
301         { 0x1c, SONYPI_EVENT_FNKEY_F12 },
302         { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
303         { 0x21, SONYPI_EVENT_FNKEY_1 },
304         { 0x22, SONYPI_EVENT_FNKEY_2 },
305         { 0x31, SONYPI_EVENT_FNKEY_D },
306         { 0x32, SONYPI_EVENT_FNKEY_E },
307         { 0x33, SONYPI_EVENT_FNKEY_F },
308         { 0x34, SONYPI_EVENT_FNKEY_S },
309         { 0x35, SONYPI_EVENT_FNKEY_B },
310         { 0x36, SONYPI_EVENT_FNKEY_ONLY },
311         { 0, 0 }
312 };
313 
314 /* The set of possible program key events */
315 static struct sonypi_event sonypi_pkeyev[] = {
316         { 0x01, SONYPI_EVENT_PKEY_P1 },
317         { 0x02, SONYPI_EVENT_PKEY_P2 },
318         { 0x04, SONYPI_EVENT_PKEY_P3 },
319         { 0x5c, SONYPI_EVENT_PKEY_P1 },
320         { 0, 0 }
321 };
322 
323 /* The set of possible bluetooth events */
324 static struct sonypi_event sonypi_blueev[] = {
325         { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
326         { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
327         { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
328         { 0, 0 }
329 };
330 
331 /* The set of possible wireless events */
332 static struct sonypi_event sonypi_wlessev[] = {
333         { 0x59, SONYPI_EVENT_WIRELESS_ON },
334         { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
335         { 0, 0 }
336 };
337 
338 /* The set of possible back button events */
339 static struct sonypi_event sonypi_backev[] = {
340         { 0x20, SONYPI_EVENT_BACK_PRESSED },
341         { 0, 0 }
342 };
343 
344 /* The set of possible help button events */
345 static struct sonypi_event sonypi_helpev[] = {
346         { 0x3b, SONYPI_EVENT_HELP_PRESSED },
347         { 0, 0 }
348 };
349 
350 
351 /* The set of possible lid events */
352 static struct sonypi_event sonypi_lidev[] = {
353         { 0x51, SONYPI_EVENT_LID_CLOSED },
354         { 0x50, SONYPI_EVENT_LID_OPENED },
355         { 0, 0 }
356 };
357 
358 /* The set of possible zoom events */
359 static struct sonypi_event sonypi_zoomev[] = {
360         { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
361         { 0, 0 }
362 };
363 
364 /* The set of possible thumbphrase events */
365 static struct sonypi_event sonypi_thumbphraseev[] = {
366         { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
367         { 0, 0 }
368 };
369 
370 /* The set of possible motioneye camera events */
371 static struct sonypi_event sonypi_meyeev[] = {
372         { 0x00, SONYPI_EVENT_MEYE_FACE },
373         { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
374         { 0, 0 }
375 };
376 
377 /* The set of possible memorystick events */
378 static struct sonypi_event sonypi_memorystickev[] = {
379         { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
380         { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
381         { 0, 0 }
382 };
383 
384 /* The set of possible battery events */
385 static struct sonypi_event sonypi_batteryev[] = {
386         { 0x20, SONYPI_EVENT_BATTERY_INSERT },
387         { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
388         { 0, 0 }
389 };
390 
391 static struct sonypi_eventtypes {
392         int                     model;
393         u8                      data;
394         unsigned long           mask;
395         struct sonypi_event *   events;
396 } sonypi_eventtypes[] = {
397         { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
398         { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
399         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
400         { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
401         { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
402         { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
403         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
404         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
405         { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
406         { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
407 
408         { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
409         { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
410         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
411         { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
412         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
413         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
414         { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
415         { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
416         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
417         { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
418         { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
419         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
420         { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
421         { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
422 
423         { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
424         { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
425         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
426         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
427         { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
428         { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
429         { 0 }
430 };
431 
432 #define SONYPI_BUF_SIZE 128
433 
434 /* Correspondance table between sonypi events and input layer events */
435 static struct {
436         int sonypiev;
437         int inputev;
438 } sonypi_inputkeys[] = {
439         { SONYPI_EVENT_CAPTURE_PRESSED,         KEY_CAMERA },
440         { SONYPI_EVENT_FNKEY_ONLY,              KEY_FN },
441         { SONYPI_EVENT_FNKEY_ESC,               KEY_FN_ESC },
442         { SONYPI_EVENT_FNKEY_F1,                KEY_FN_F1 },
443         { SONYPI_EVENT_FNKEY_F2,                KEY_FN_F2 },
444         { SONYPI_EVENT_FNKEY_F3,                KEY_FN_F3 },
445         { SONYPI_EVENT_FNKEY_F4,                KEY_FN_F4 },
446         { SONYPI_EVENT_FNKEY_F5,                KEY_FN_F5 },
447         { SONYPI_EVENT_FNKEY_F6,                KEY_FN_F6 },
448         { SONYPI_EVENT_FNKEY_F7,                KEY_FN_F7 },
449         { SONYPI_EVENT_FNKEY_F8,                KEY_FN_F8 },
450         { SONYPI_EVENT_FNKEY_F9,                KEY_FN_F9 },
451         { SONYPI_EVENT_FNKEY_F10,               KEY_FN_F10 },
452         { SONYPI_EVENT_FNKEY_F11,               KEY_FN_F11 },
453         { SONYPI_EVENT_FNKEY_F12,               KEY_FN_F12 },
454         { SONYPI_EVENT_FNKEY_1,                 KEY_FN_1 },
455         { SONYPI_EVENT_FNKEY_2,                 KEY_FN_2 },
456         { SONYPI_EVENT_FNKEY_D,                 KEY_FN_D },
457         { SONYPI_EVENT_FNKEY_E,                 KEY_FN_E },
458         { SONYPI_EVENT_FNKEY_F,                 KEY_FN_F },
459         { SONYPI_EVENT_FNKEY_S,                 KEY_FN_S },
460         { SONYPI_EVENT_FNKEY_B,                 KEY_FN_B },
461         { SONYPI_EVENT_BLUETOOTH_PRESSED,       KEY_BLUE },
462         { SONYPI_EVENT_BLUETOOTH_ON,            KEY_BLUE },
463         { SONYPI_EVENT_PKEY_P1,                 KEY_PROG1 },
464         { SONYPI_EVENT_PKEY_P2,                 KEY_PROG2 },
465         { SONYPI_EVENT_PKEY_P3,                 KEY_PROG3 },
466         { SONYPI_EVENT_BACK_PRESSED,            KEY_BACK },
467         { SONYPI_EVENT_HELP_PRESSED,            KEY_HELP },
468         { SONYPI_EVENT_ZOOM_PRESSED,            KEY_ZOOM },
469         { SONYPI_EVENT_THUMBPHRASE_PRESSED,     BTN_THUMB },
470         { 0, 0 },
471 };
472 
473 struct sonypi_keypress {
474         struct input_dev *dev;
475         int key;
476 };
477 
478 static struct sonypi_device {
479         struct pci_dev *dev;
480         u16 irq;
481         u16 bits;
482         u16 ioport1;
483         u16 ioport2;
484         u16 region_size;
485         u16 evtype_offset;
486         int camera_power;
487         int bluetooth_power;
488         struct mutex lock;
489         struct kfifo fifo;
490         spinlock_t fifo_lock;
491         wait_queue_head_t fifo_proc_list;
492         struct fasync_struct *fifo_async;
493         int open_count;
494         int model;
495         struct input_dev *input_jog_dev;
496         struct input_dev *input_key_dev;
497         struct work_struct input_work;
498         struct kfifo input_fifo;
499         spinlock_t input_fifo_lock;
500 } sonypi_device;
501 
502 #define ITERATIONS_LONG         10000
503 #define ITERATIONS_SHORT        10
504 
505 #define wait_on_command(quiet, command, iterations) { \
506         unsigned int n = iterations; \
507         while (--n && (command)) \
508                 udelay(1); \
509         if (!n && (verbose || !quiet)) \
510                 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
511 }
512 
513 #ifdef CONFIG_ACPI
514 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
515 #else
516 #define SONYPI_ACPI_ACTIVE 0
517 #endif                          /* CONFIG_ACPI */
518 
519 #ifdef CONFIG_ACPI
520 static struct acpi_device *sonypi_acpi_device;
521 static int acpi_driver_registered;
522 #endif
523 
524 static int sonypi_ec_write(u8 addr, u8 value)
525 {
526 #ifdef CONFIG_ACPI
527         if (SONYPI_ACPI_ACTIVE)
528                 return ec_write(addr, value);
529 #endif
530         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
531         outb_p(0x81, SONYPI_CST_IOPORT);
532         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
533         outb_p(addr, SONYPI_DATA_IOPORT);
534         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
535         outb_p(value, SONYPI_DATA_IOPORT);
536         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
537         return 0;
538 }
539 
540 static int sonypi_ec_read(u8 addr, u8 *value)
541 {
542 #ifdef CONFIG_ACPI
543         if (SONYPI_ACPI_ACTIVE)
544                 return ec_read(addr, value);
545 #endif
546         wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
547         outb_p(0x80, SONYPI_CST_IOPORT);
548         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
549         outb_p(addr, SONYPI_DATA_IOPORT);
550         wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
551         *value = inb_p(SONYPI_DATA_IOPORT);
552         return 0;
553 }
554 
555 static int ec_read16(u8 addr, u16 *value)
556 {
557         u8 val_lb, val_hb;
558         if (sonypi_ec_read(addr, &val_lb))
559                 return -1;
560         if (sonypi_ec_read(addr + 1, &val_hb))
561                 return -1;
562         *value = val_lb | (val_hb << 8);
563         return 0;
564 }
565 
566 /* Initializes the device - this comes from the AML code in the ACPI bios */
567 static void sonypi_type1_srs(void)
568 {
569         u32 v;
570 
571         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
572         v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
573         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
574 
575         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
576         v = (v & 0xFFF0FFFF) |
577             (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
578         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
579 
580         v = inl(SONYPI_IRQ_PORT);
581         v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
582         v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
583         outl(v, SONYPI_IRQ_PORT);
584 
585         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
586         v = (v & 0xFF1FFFFF) | 0x00C00000;
587         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
588 }
589 
590 static void sonypi_type2_srs(void)
591 {
592         if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
593                 printk(KERN_WARNING "ec_write failed\n");
594         if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
595                 printk(KERN_WARNING "ec_write failed\n");
596         if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
597                 printk(KERN_WARNING "ec_write failed\n");
598         udelay(10);
599 }
600 
601 static void sonypi_type3_srs(void)
602 {
603         u16 v16;
604         u8  v8;
605 
606         /* This model type uses the same initialiazation of
607          * the embedded controller as the type2 models. */
608         sonypi_type2_srs();
609 
610         /* Initialization of PCI config space of the LPC interface bridge. */
611         v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
612         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
613         pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
614         v8 = (v8 & 0xCF) | 0x10;
615         pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
616 }
617 
618 /* Disables the device - this comes from the AML code in the ACPI bios */
619 static void sonypi_type1_dis(void)
620 {
621         u32 v;
622 
623         pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
624         v = v & 0xFF3FFFFF;
625         pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
626 
627         v = inl(SONYPI_IRQ_PORT);
628         v |= (0x3 << SONYPI_IRQ_SHIFT);
629         outl(v, SONYPI_IRQ_PORT);
630 }
631 
632 static void sonypi_type2_dis(void)
633 {
634         if (sonypi_ec_write(SONYPI_SHIB, 0))
635                 printk(KERN_WARNING "ec_write failed\n");
636         if (sonypi_ec_write(SONYPI_SLOB, 0))
637                 printk(KERN_WARNING "ec_write failed\n");
638         if (sonypi_ec_write(SONYPI_SIRQ, 0))
639                 printk(KERN_WARNING "ec_write failed\n");
640 }
641 
642 static void sonypi_type3_dis(void)
643 {
644         sonypi_type2_dis();
645         udelay(10);
646         pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
647 }
648 
649 static u8 sonypi_call1(u8 dev)
650 {
651         u8 v1, v2;
652 
653         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
654         outb(dev, sonypi_device.ioport2);
655         v1 = inb_p(sonypi_device.ioport2);
656         v2 = inb_p(sonypi_device.ioport1);
657         return v2;
658 }
659 
660 static u8 sonypi_call2(u8 dev, u8 fn)
661 {
662         u8 v1;
663 
664         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
665         outb(dev, sonypi_device.ioport2);
666         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
667         outb(fn, sonypi_device.ioport1);
668         v1 = inb_p(sonypi_device.ioport1);
669         return v1;
670 }
671 
672 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
673 {
674         u8 v1;
675 
676         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
677         outb(dev, sonypi_device.ioport2);
678         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
679         outb(fn, sonypi_device.ioport1);
680         wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
681         outb(v, sonypi_device.ioport1);
682         v1 = inb_p(sonypi_device.ioport1);
683         return v1;
684 }
685 
686 #if 0
687 /* Get brightness, hue etc. Unreliable... */
688 static u8 sonypi_read(u8 fn)
689 {
690         u8 v1, v2;
691         int n = 100;
692 
693         while (n--) {
694                 v1 = sonypi_call2(0x8f, fn);
695                 v2 = sonypi_call2(0x8f, fn);
696                 if (v1 == v2 && v1 != 0xff)
697                         return v1;
698         }
699         return 0xff;
700 }
701 #endif
702 
703 /* Set brightness, hue etc */
704 static void sonypi_set(u8 fn, u8 v)
705 {
706         wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
707 }
708 
709 /* Tests if the camera is ready */
710 static int sonypi_camera_ready(void)
711 {
712         u8 v;
713 
714         v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
715         return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
716 }
717 
718 /* Turns the camera off */
719 static void sonypi_camera_off(void)
720 {
721         sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
722 
723         if (!sonypi_device.camera_power)
724                 return;
725 
726         sonypi_call2(0x91, 0);
727         sonypi_device.camera_power = 0;
728 }
729 
730 /* Turns the camera on */
731 static void sonypi_camera_on(void)
732 {
733         int i, j;
734 
735         if (sonypi_device.camera_power)
736                 return;
737 
738         for (j = 5; j > 0; j--) {
739 
740                 while (sonypi_call2(0x91, 0x1))
741                         msleep(10);
742                 sonypi_call1(0x93);
743 
744                 for (i = 400; i > 0; i--) {
745                         if (sonypi_camera_ready())
746                                 break;
747                         msleep(10);
748                 }
749                 if (i)
750                         break;
751         }
752 
753         if (j == 0) {
754                 printk(KERN_WARNING "sonypi: failed to power on camera\n");
755                 return;
756         }
757 
758         sonypi_set(0x10, 0x5a);
759         sonypi_device.camera_power = 1;
760 }
761 
762 /* sets the bluetooth subsystem power state */
763 static void sonypi_setbluetoothpower(u8 state)
764 {
765         state = !!state;
766 
767         if (sonypi_device.bluetooth_power == state)
768                 return;
769 
770         sonypi_call2(0x96, state);
771         sonypi_call1(0x82);
772         sonypi_device.bluetooth_power = state;
773 }
774 
775 static void input_keyrelease(struct work_struct *work)
776 {
777         struct sonypi_keypress kp;
778 
779         while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
780                          sizeof(kp), &sonypi_device.input_fifo_lock)
781                         == sizeof(kp)) {
782                 msleep(10);
783                 input_report_key(kp.dev, kp.key, 0);
784                 input_sync(kp.dev);
785         }
786 }
787 
788 static void sonypi_report_input_event(u8 event)
789 {
790         struct input_dev *jog_dev = sonypi_device.input_jog_dev;
791         struct input_dev *key_dev = sonypi_device.input_key_dev;
792         struct sonypi_keypress kp = { NULL };
793         int i;
794 
795         switch (event) {
796         case SONYPI_EVENT_JOGDIAL_UP:
797         case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
798                 input_report_rel(jog_dev, REL_WHEEL, 1);
799                 input_sync(jog_dev);
800                 break;
801 
802         case SONYPI_EVENT_JOGDIAL_DOWN:
803         case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
804                 input_report_rel(jog_dev, REL_WHEEL, -1);
805                 input_sync(jog_dev);
806                 break;
807 
808         case SONYPI_EVENT_JOGDIAL_PRESSED:
809                 kp.key = BTN_MIDDLE;
810                 kp.dev = jog_dev;
811                 break;
812 
813         case SONYPI_EVENT_FNKEY_RELEASED:
814                 /* Nothing, not all VAIOs generate this event */
815                 break;
816 
817         default:
818                 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
819                         if (event == sonypi_inputkeys[i].sonypiev) {
820                                 kp.dev = key_dev;
821                                 kp.key = sonypi_inputkeys[i].inputev;
822                                 break;
823                         }
824                 break;
825         }
826 
827         if (kp.dev) {
828                 input_report_key(kp.dev, kp.key, 1);
829                 input_sync(kp.dev);
830                 kfifo_in_locked(&sonypi_device.input_fifo,
831                         (unsigned char *)&kp, sizeof(kp),
832                         &sonypi_device.input_fifo_lock);
833                 schedule_work(&sonypi_device.input_work);
834         }
835 }
836 
837 /* Interrupt handler: some event is available */
838 static irqreturn_t sonypi_irq(int irq, void *dev_id)
839 {
840         u8 v1, v2, event = 0;
841         int i, j;
842 
843         v1 = inb_p(sonypi_device.ioport1);
844         v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
845 
846         for (i = 0; sonypi_eventtypes[i].model; i++) {
847                 if (sonypi_device.model != sonypi_eventtypes[i].model)
848                         continue;
849                 if ((v2 & sonypi_eventtypes[i].data) !=
850                     sonypi_eventtypes[i].data)
851                         continue;
852                 if (!(mask & sonypi_eventtypes[i].mask))
853                         continue;
854                 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
855                         if (v1 == sonypi_eventtypes[i].events[j].data) {
856                                 event = sonypi_eventtypes[i].events[j].event;
857                                 goto found;
858                         }
859                 }
860         }
861 
862         if (verbose)
863                 printk(KERN_WARNING
864                        "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
865                        v1, v2);
866         /* We need to return IRQ_HANDLED here because there *are*
867          * events belonging to the sonypi device we don't know about,
868          * but we still don't want those to pollute the logs... */
869         return IRQ_HANDLED;
870 
871 found:
872         if (verbose > 1)
873                 printk(KERN_INFO
874                        "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
875 
876         if (useinput)
877                 sonypi_report_input_event(event);
878 
879         kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
880                         sizeof(event), &sonypi_device.fifo_lock);
881         kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
882         wake_up_interruptible(&sonypi_device.fifo_proc_list);
883 
884         return IRQ_HANDLED;
885 }
886 
887 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
888 {
889         return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
890 }
891 
892 static int sonypi_misc_release(struct inode *inode, struct file *file)
893 {
894         mutex_lock(&sonypi_device.lock);
895         sonypi_device.open_count--;
896         mutex_unlock(&sonypi_device.lock);
897         return 0;
898 }
899 
900 static int sonypi_misc_open(struct inode *inode, struct file *file)
901 {
902         mutex_lock(&sonypi_device.lock);
903         /* Flush input queue on first open */
904         if (!sonypi_device.open_count)
905                 kfifo_reset(&sonypi_device.fifo);
906         sonypi_device.open_count++;
907         mutex_unlock(&sonypi_device.lock);
908 
909         return 0;
910 }
911 
912 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
913                                 size_t count, loff_t *pos)
914 {
915         ssize_t ret;
916         unsigned char c;
917 
918         if ((kfifo_len(&sonypi_device.fifo) == 0) &&
919             (file->f_flags & O_NONBLOCK))
920                 return -EAGAIN;
921 
922         ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
923                                        kfifo_len(&sonypi_device.fifo) != 0);
924         if (ret)
925                 return ret;
926 
927         while (ret < count &&
928                (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
929                                  &sonypi_device.fifo_lock) == sizeof(c))) {
930                 if (put_user(c, buf++))
931                         return -EFAULT;
932                 ret++;
933         }
934 
935         if (ret > 0) {
936                 struct inode *inode = file_inode(file);
937                 inode->i_atime = current_fs_time(inode->i_sb);
938         }
939 
940         return ret;
941 }
942 
943 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
944 {
945         poll_wait(file, &sonypi_device.fifo_proc_list, wait);
946         if (kfifo_len(&sonypi_device.fifo))
947                 return POLLIN | POLLRDNORM;
948         return 0;
949 }
950 
951 static long sonypi_misc_ioctl(struct file *fp,
952                              unsigned int cmd, unsigned long arg)
953 {
954         long ret = 0;
955         void __user *argp = (void __user *)arg;
956         u8 val8;
957         u16 val16;
958 
959         mutex_lock(&sonypi_device.lock);
960         switch (cmd) {
961         case SONYPI_IOCGBRT:
962                 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
963                         ret = -EIO;
964                         break;
965                 }
966                 if (copy_to_user(argp, &val8, sizeof(val8)))
967                         ret = -EFAULT;
968                 break;
969         case SONYPI_IOCSBRT:
970                 if (copy_from_user(&val8, argp, sizeof(val8))) {
971                         ret = -EFAULT;
972                         break;
973                 }
974                 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
975                         ret = -EIO;
976                 break;
977         case SONYPI_IOCGBAT1CAP:
978                 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
979                         ret = -EIO;
980                         break;
981                 }
982                 if (copy_to_user(argp, &val16, sizeof(val16)))
983                         ret = -EFAULT;
984                 break;
985         case SONYPI_IOCGBAT1REM:
986                 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
987                         ret = -EIO;
988                         break;
989                 }
990                 if (copy_to_user(argp, &val16, sizeof(val16)))
991                         ret = -EFAULT;
992                 break;
993         case SONYPI_IOCGBAT2CAP:
994                 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
995                         ret = -EIO;
996                         break;
997                 }
998                 if (copy_to_user(argp, &val16, sizeof(val16)))
999                         ret = -EFAULT;
1000                 break;
1001         case SONYPI_IOCGBAT2REM:
1002                 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1003                         ret = -EIO;
1004                         break;
1005                 }
1006                 if (copy_to_user(argp, &val16, sizeof(val16)))
1007                         ret = -EFAULT;
1008                 break;
1009         case SONYPI_IOCGBATFLAGS:
1010                 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1011                         ret = -EIO;
1012                         break;
1013                 }
1014                 val8 &= 0x07;
1015                 if (copy_to_user(argp, &val8, sizeof(val8)))
1016                         ret = -EFAULT;
1017                 break;
1018         case SONYPI_IOCGBLUE:
1019                 val8 = sonypi_device.bluetooth_power;
1020                 if (copy_to_user(argp, &val8, sizeof(val8)))
1021                         ret = -EFAULT;
1022                 break;
1023         case SONYPI_IOCSBLUE:
1024                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1025                         ret = -EFAULT;
1026                         break;
1027                 }
1028                 sonypi_setbluetoothpower(val8);
1029                 break;
1030         /* FAN Controls */
1031         case SONYPI_IOCGFAN:
1032                 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1033                         ret = -EIO;
1034                         break;
1035                 }
1036                 if (copy_to_user(argp, &val8, sizeof(val8)))
1037                         ret = -EFAULT;
1038                 break;
1039         case SONYPI_IOCSFAN:
1040                 if (copy_from_user(&val8, argp, sizeof(val8))) {
1041                         ret = -EFAULT;
1042                         break;
1043                 }
1044                 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1045                         ret = -EIO;
1046                 break;
1047         /* GET Temperature (useful under APM) */
1048         case SONYPI_IOCGTEMP:
1049                 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1050                         ret = -EIO;
1051                         break;
1052                 }
1053                 if (copy_to_user(argp, &val8, sizeof(val8)))
1054                         ret = -EFAULT;
1055                 break;
1056         default:
1057                 ret = -EINVAL;
1058         }
1059         mutex_unlock(&sonypi_device.lock);
1060         return ret;
1061 }
1062 
1063 static const struct file_operations sonypi_misc_fops = {
1064         .owner          = THIS_MODULE,
1065         .read           = sonypi_misc_read,
1066         .poll           = sonypi_misc_poll,
1067         .open           = sonypi_misc_open,
1068         .release        = sonypi_misc_release,
1069         .fasync         = sonypi_misc_fasync,
1070         .unlocked_ioctl = sonypi_misc_ioctl,
1071         .llseek         = no_llseek,
1072 };
1073 
1074 static struct miscdevice sonypi_misc_device = {
1075         .minor          = MISC_DYNAMIC_MINOR,
1076         .name           = "sonypi",
1077         .fops           = &sonypi_misc_fops,
1078 };
1079 
1080 static void sonypi_enable(unsigned int camera_on)
1081 {
1082         switch (sonypi_device.model) {
1083         case SONYPI_DEVICE_MODEL_TYPE1:
1084                 sonypi_type1_srs();
1085                 break;
1086         case SONYPI_DEVICE_MODEL_TYPE2:
1087                 sonypi_type2_srs();
1088                 break;
1089         case SONYPI_DEVICE_MODEL_TYPE3:
1090                 sonypi_type3_srs();
1091                 break;
1092         }
1093 
1094         sonypi_call1(0x82);
1095         sonypi_call2(0x81, 0xff);
1096         sonypi_call1(compat ? 0x92 : 0x82);
1097 
1098         /* Enable ACPI mode to get Fn key events */
1099         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1100                 outb(0xf0, 0xb2);
1101 
1102         if (camera && camera_on)
1103                 sonypi_camera_on();
1104 }
1105 
1106 static int sonypi_disable(void)
1107 {
1108         sonypi_call2(0x81, 0);  /* make sure we don't get any more events */
1109         if (camera)
1110                 sonypi_camera_off();
1111 
1112         /* disable ACPI mode */
1113         if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1114                 outb(0xf1, 0xb2);
1115 
1116         switch (sonypi_device.model) {
1117         case SONYPI_DEVICE_MODEL_TYPE1:
1118                 sonypi_type1_dis();
1119                 break;
1120         case SONYPI_DEVICE_MODEL_TYPE2:
1121                 sonypi_type2_dis();
1122                 break;
1123         case SONYPI_DEVICE_MODEL_TYPE3:
1124                 sonypi_type3_dis();
1125                 break;
1126         }
1127 
1128         return 0;
1129 }
1130 
1131 #ifdef CONFIG_ACPI
1132 static int sonypi_acpi_add(struct acpi_device *device)
1133 {
1134         sonypi_acpi_device = device;
1135         strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1136         strcpy(acpi_device_class(device), "sony/hotkey");
1137         return 0;
1138 }
1139 
1140 static int sonypi_acpi_remove(struct acpi_device *device)
1141 {
1142         sonypi_acpi_device = NULL;
1143         return 0;
1144 }
1145 
1146 static const struct acpi_device_id sonypi_device_ids[] = {
1147         {"SNY6001", 0},
1148         {"", 0},
1149 };
1150 
1151 static struct acpi_driver sonypi_acpi_driver = {
1152         .name           = "sonypi",
1153         .class          = "hkey",
1154         .ids            = sonypi_device_ids,
1155         .ops            = {
1156                            .add = sonypi_acpi_add,
1157                            .remove = sonypi_acpi_remove,
1158         },
1159 };
1160 #endif
1161 
1162 static int sonypi_create_input_devices(struct platform_device *pdev)
1163 {
1164         struct input_dev *jog_dev;
1165         struct input_dev *key_dev;
1166         int i;
1167         int error;
1168 
1169         sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1170         if (!jog_dev)
1171                 return -ENOMEM;
1172 
1173         jog_dev->name = "Sony Vaio Jogdial";
1174         jog_dev->id.bustype = BUS_ISA;
1175         jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1176         jog_dev->dev.parent = &pdev->dev;
1177 
1178         jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1179         jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1180         jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1181 
1182         sonypi_device.input_key_dev = key_dev = input_allocate_device();
1183         if (!key_dev) {
1184                 error = -ENOMEM;
1185                 goto err_free_jogdev;
1186         }
1187 
1188         key_dev->name = "Sony Vaio Keys";
1189         key_dev->id.bustype = BUS_ISA;
1190         key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1191         key_dev->dev.parent = &pdev->dev;
1192 
1193         /* Initialize the Input Drivers: special keys */
1194         key_dev->evbit[0] = BIT_MASK(EV_KEY);
1195         for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1196                 if (sonypi_inputkeys[i].inputev)
1197                         set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1198 
1199         error = input_register_device(jog_dev);
1200         if (error)
1201                 goto err_free_keydev;
1202 
1203         error = input_register_device(key_dev);
1204         if (error)
1205                 goto err_unregister_jogdev;
1206 
1207         return 0;
1208 
1209  err_unregister_jogdev:
1210         input_unregister_device(jog_dev);
1211         /* Set to NULL so we don't free it again below */
1212         jog_dev = NULL;
1213  err_free_keydev:
1214         input_free_device(key_dev);
1215         sonypi_device.input_key_dev = NULL;
1216  err_free_jogdev:
1217         input_free_device(jog_dev);
1218         sonypi_device.input_jog_dev = NULL;
1219 
1220         return error;
1221 }
1222 
1223 static int sonypi_setup_ioports(struct sonypi_device *dev,
1224                                 const struct sonypi_ioport_list *ioport_list)
1225 {
1226         /* try to detect if sony-laptop is being used and thus
1227          * has already requested one of the known ioports.
1228          * As in the deprecated check_region this is racy has we have
1229          * multiple ioports available and one of them can be requested
1230          * between this check and the subsequent request. Anyway, as an
1231          * attempt to be some more user-friendly as we currently are,
1232          * this is enough.
1233          */
1234         const struct sonypi_ioport_list *check = ioport_list;
1235         while (check_ioport && check->port1) {
1236                 if (!request_region(check->port1,
1237                                    sonypi_device.region_size,
1238                                    "Sony Programmable I/O Device Check")) {
1239                         printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1240                                         "if not use check_ioport=0\n",
1241                                         check->port1);
1242                         return -EBUSY;
1243                 }
1244                 release_region(check->port1, sonypi_device.region_size);
1245                 check++;
1246         }
1247 
1248         while (ioport_list->port1) {
1249 
1250                 if (request_region(ioport_list->port1,
1251                                    sonypi_device.region_size,
1252                                    "Sony Programmable I/O Device")) {
1253                         dev->ioport1 = ioport_list->port1;
1254                         dev->ioport2 = ioport_list->port2;
1255                         return 0;
1256                 }
1257                 ioport_list++;
1258         }
1259 
1260         return -EBUSY;
1261 }
1262 
1263 static int sonypi_setup_irq(struct sonypi_device *dev,
1264                                       const struct sonypi_irq_list *irq_list)
1265 {
1266         while (irq_list->irq) {
1267 
1268                 if (!request_irq(irq_list->irq, sonypi_irq,
1269                                  IRQF_SHARED, "sonypi", sonypi_irq)) {
1270                         dev->irq = irq_list->irq;
1271                         dev->bits = irq_list->bits;
1272                         return 0;
1273                 }
1274                 irq_list++;
1275         }
1276 
1277         return -EBUSY;
1278 }
1279 
1280 static void sonypi_display_info(void)
1281 {
1282         printk(KERN_INFO "sonypi: detected type%d model, "
1283                "verbose = %d, fnkeyinit = %s, camera = %s, "
1284                "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1285                sonypi_device.model,
1286                verbose,
1287                fnkeyinit ? "on" : "off",
1288                camera ? "on" : "off",
1289                compat ? "on" : "off",
1290                mask,
1291                useinput ? "on" : "off",
1292                SONYPI_ACPI_ACTIVE ? "on" : "off");
1293         printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1294                sonypi_device.irq,
1295                sonypi_device.ioport1, sonypi_device.ioport2);
1296 
1297         if (minor == -1)
1298                 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1299                        sonypi_misc_device.minor);
1300 }
1301 
1302 static int sonypi_probe(struct platform_device *dev)
1303 {
1304         const struct sonypi_ioport_list *ioport_list;
1305         const struct sonypi_irq_list *irq_list;
1306         struct pci_dev *pcidev;
1307         int error;
1308 
1309         printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1310                         "and report failures, see also "
1311                         "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1312 
1313         spin_lock_init(&sonypi_device.fifo_lock);
1314         error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1315         if (error) {
1316                 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1317                 return error;
1318         }
1319 
1320         init_waitqueue_head(&sonypi_device.fifo_proc_list);
1321         mutex_init(&sonypi_device.lock);
1322         sonypi_device.bluetooth_power = -1;
1323 
1324         if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1325                                      PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1326                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1327         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1328                                           PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1329                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1330         else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1331                                           PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1332                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1333         else
1334                 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1335 
1336         if (pcidev && pci_enable_device(pcidev)) {
1337                 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1338                 error = -EIO;
1339                 goto err_put_pcidev;
1340         }
1341 
1342         sonypi_device.dev = pcidev;
1343 
1344         if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1345                 ioport_list = sonypi_type1_ioport_list;
1346                 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1347                 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1348                 irq_list = sonypi_type1_irq_list;
1349         } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1350                 ioport_list = sonypi_type2_ioport_list;
1351                 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1352                 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1353                 irq_list = sonypi_type2_irq_list;
1354         } else {
1355                 ioport_list = sonypi_type3_ioport_list;
1356                 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1357                 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1358                 irq_list = sonypi_type3_irq_list;
1359         }
1360 
1361         error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1362         if (error) {
1363                 printk(KERN_ERR "sonypi: failed to request ioports\n");
1364                 goto err_disable_pcidev;
1365         }
1366 
1367         error = sonypi_setup_irq(&sonypi_device, irq_list);
1368         if (error) {
1369                 printk(KERN_ERR "sonypi: request_irq failed\n");
1370                 goto err_free_ioports;
1371         }
1372 
1373         if (minor != -1)
1374                 sonypi_misc_device.minor = minor;
1375         error = misc_register(&sonypi_misc_device);
1376         if (error) {
1377                 printk(KERN_ERR "sonypi: misc_register failed\n");
1378                 goto err_free_irq;
1379         }
1380 
1381         sonypi_display_info();
1382 
1383         if (useinput) {
1384 
1385                 error = sonypi_create_input_devices(dev);
1386                 if (error) {
1387                         printk(KERN_ERR
1388                                 "sonypi: failed to create input devices\n");
1389                         goto err_miscdev_unregister;
1390                 }
1391 
1392                 spin_lock_init(&sonypi_device.input_fifo_lock);
1393                 error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1394                                 GFP_KERNEL);
1395                 if (error) {
1396                         printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1397                         goto err_inpdev_unregister;
1398                 }
1399 
1400                 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1401         }
1402 
1403         sonypi_enable(0);
1404 
1405         return 0;
1406 
1407  err_inpdev_unregister:
1408         input_unregister_device(sonypi_device.input_key_dev);
1409         input_unregister_device(sonypi_device.input_jog_dev);
1410  err_miscdev_unregister:
1411         misc_deregister(&sonypi_misc_device);
1412  err_free_irq:
1413         free_irq(sonypi_device.irq, sonypi_irq);
1414  err_free_ioports:
1415         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1416  err_disable_pcidev:
1417         if (pcidev)
1418                 pci_disable_device(pcidev);
1419  err_put_pcidev:
1420         pci_dev_put(pcidev);
1421         kfifo_free(&sonypi_device.fifo);
1422 
1423         return error;
1424 }
1425 
1426 static int sonypi_remove(struct platform_device *dev)
1427 {
1428         sonypi_disable();
1429 
1430         synchronize_irq(sonypi_device.irq);
1431         flush_work(&sonypi_device.input_work);
1432 
1433         if (useinput) {
1434                 input_unregister_device(sonypi_device.input_key_dev);
1435                 input_unregister_device(sonypi_device.input_jog_dev);
1436                 kfifo_free(&sonypi_device.input_fifo);
1437         }
1438 
1439         misc_deregister(&sonypi_misc_device);
1440 
1441         free_irq(sonypi_device.irq, sonypi_irq);
1442         release_region(sonypi_device.ioport1, sonypi_device.region_size);
1443 
1444         if (sonypi_device.dev) {
1445                 pci_disable_device(sonypi_device.dev);
1446                 pci_dev_put(sonypi_device.dev);
1447         }
1448 
1449         kfifo_free(&sonypi_device.fifo);
1450 
1451         return 0;
1452 }
1453 
1454 #ifdef CONFIG_PM_SLEEP
1455 static int old_camera_power;
1456 
1457 static int sonypi_suspend(struct device *dev)
1458 {
1459         old_camera_power = sonypi_device.camera_power;
1460         sonypi_disable();
1461 
1462         return 0;
1463 }
1464 
1465 static int sonypi_resume(struct device *dev)
1466 {
1467         sonypi_enable(old_camera_power);
1468         return 0;
1469 }
1470 
1471 static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1472 #define SONYPI_PM       (&sonypi_pm)
1473 #else
1474 #define SONYPI_PM       NULL
1475 #endif
1476 
1477 static void sonypi_shutdown(struct platform_device *dev)
1478 {
1479         sonypi_disable();
1480 }
1481 
1482 static struct platform_driver sonypi_driver = {
1483         .driver         = {
1484                 .name   = "sonypi",
1485                 .owner  = THIS_MODULE,
1486                 .pm     = SONYPI_PM,
1487         },
1488         .probe          = sonypi_probe,
1489         .remove         = sonypi_remove,
1490         .shutdown       = sonypi_shutdown,
1491 };
1492 
1493 static struct platform_device *sonypi_platform_device;
1494 
1495 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1496         {
1497                 .ident = "Sony Vaio",
1498                 .matches = {
1499                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1500                         DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1501                 },
1502         },
1503         {
1504                 .ident = "Sony Vaio",
1505                 .matches = {
1506                         DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1507                         DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1508                 },
1509         },
1510         { }
1511 };
1512 
1513 static int __init sonypi_init(void)
1514 {
1515         int error;
1516 
1517         printk(KERN_INFO
1518                 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1519                 SONYPI_DRIVER_VERSION);
1520 
1521         if (!dmi_check_system(sonypi_dmi_table))
1522                 return -ENODEV;
1523 
1524         error = platform_driver_register(&sonypi_driver);
1525         if (error)
1526                 return error;
1527 
1528         sonypi_platform_device = platform_device_alloc("sonypi", -1);
1529         if (!sonypi_platform_device) {
1530                 error = -ENOMEM;
1531                 goto err_driver_unregister;
1532         }
1533 
1534         error = platform_device_add(sonypi_platform_device);
1535         if (error)
1536                 goto err_free_device;
1537 
1538 #ifdef CONFIG_ACPI
1539         if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1540                 acpi_driver_registered = 1;
1541 #endif
1542 
1543         return 0;
1544 
1545  err_free_device:
1546         platform_device_put(sonypi_platform_device);
1547  err_driver_unregister:
1548         platform_driver_unregister(&sonypi_driver);
1549         return error;
1550 }
1551 
1552 static void __exit sonypi_exit(void)
1553 {
1554 #ifdef CONFIG_ACPI
1555         if (acpi_driver_registered)
1556                 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1557 #endif
1558         platform_device_unregister(sonypi_platform_device);
1559         platform_driver_unregister(&sonypi_driver);
1560         printk(KERN_INFO "sonypi: removed.\n");
1561 }
1562 
1563 module_init(sonypi_init);
1564 module_exit(sonypi_exit);
1565 

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