1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Sony Programmable I/O Control Device driver for VAIO
4 *
5 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
6 *
7 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
8 *
9 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
10 *
11 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
12 *
13 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
14 *
15 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
16 *
17 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
18 *
19 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
20 *
21 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
22 */
23
24 #include <linux/module.h>
25 #include <linux/sched.h>
26 #include <linux/input.h>
27 #include <linux/pci.h>
28 #include <linux/init.h>
29 #include <linux/interrupt.h>
30 #include <linux/miscdevice.h>
31 #include <linux/poll.h>
32 #include <linux/delay.h>
33 #include <linux/wait.h>
34 #include <linux/acpi.h>
35 #include <linux/dmi.h>
36 #include <linux/err.h>
37 #include <linux/kfifo.h>
38 #include <linux/platform_device.h>
39 #include <linux/gfp.h>
40 #include <linux/string_choices.h>
41
42 #include <linux/uaccess.h>
43 #include <asm/io.h>
44
45 #include <linux/sonypi.h>
46
47 #define SONYPI_DRIVER_VERSION "1.26"
48
49 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
50 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
51 MODULE_LICENSE("GPL");
52 MODULE_VERSION(SONYPI_DRIVER_VERSION);
53
54 static int minor = -1;
55 module_param(minor, int, 0);
56 MODULE_PARM_DESC(minor,
57 "minor number of the misc device, default is -1 (automatic)");
58
59 static int verbose; /* = 0 */
60 module_param(verbose, int, 0644);
61 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
62
63 static int fnkeyinit; /* = 0 */
64 module_param(fnkeyinit, int, 0444);
65 MODULE_PARM_DESC(fnkeyinit,
66 "set this if your Fn keys do not generate any event");
67
68 static int camera; /* = 0 */
69 module_param(camera, int, 0444);
70 MODULE_PARM_DESC(camera,
71 "set this if you have a MotionEye camera (PictureBook series)");
72
73 static int compat; /* = 0 */
74 module_param(compat, int, 0444);
75 MODULE_PARM_DESC(compat,
76 "set this if you want to enable backward compatibility mode");
77
78 static unsigned long mask = 0xffffffff;
79 module_param(mask, ulong, 0644);
80 MODULE_PARM_DESC(mask,
81 "set this to the mask of event you want to enable (see doc)");
82
83 static int useinput = 1;
84 module_param(useinput, int, 0444);
85 MODULE_PARM_DESC(useinput,
86 "set this if you would like sonypi to feed events to the input subsystem");
87
88 static int check_ioport = 1;
89 module_param(check_ioport, int, 0444);
90 MODULE_PARM_DESC(check_ioport,
91 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
92
93 #define SONYPI_DEVICE_MODEL_TYPE1 1
94 #define SONYPI_DEVICE_MODEL_TYPE2 2
95 #define SONYPI_DEVICE_MODEL_TYPE3 3
96
97 /* type1 models use those */
98 #define SONYPI_IRQ_PORT 0x8034
99 #define SONYPI_IRQ_SHIFT 22
100 #define SONYPI_TYPE1_BASE 0x50
101 #define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
102 #define SONYPI_TYPE1_REGION_SIZE 0x08
103 #define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
104
105 /* type2 series specifics */
106 #define SONYPI_SIRQ 0x9b
107 #define SONYPI_SLOB 0x9c
108 #define SONYPI_SHIB 0x9d
109 #define SONYPI_TYPE2_REGION_SIZE 0x20
110 #define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
111
112 /* type3 series specifics */
113 #define SONYPI_TYPE3_BASE 0x40
114 #define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
115 #define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
116 #define SONYPI_TYPE3_REGION_SIZE 0x20
117 #define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
118
119 /* battery / brightness addresses */
120 #define SONYPI_BAT_FLAGS 0x81
121 #define SONYPI_LCD_LIGHT 0x96
122 #define SONYPI_BAT1_PCTRM 0xa0
123 #define SONYPI_BAT1_LEFT 0xa2
124 #define SONYPI_BAT1_MAXRT 0xa4
125 #define SONYPI_BAT2_PCTRM 0xa8
126 #define SONYPI_BAT2_LEFT 0xaa
127 #define SONYPI_BAT2_MAXRT 0xac
128 #define SONYPI_BAT1_MAXTK 0xb0
129 #define SONYPI_BAT1_FULL 0xb2
130 #define SONYPI_BAT2_MAXTK 0xb8
131 #define SONYPI_BAT2_FULL 0xba
132
133 /* FAN0 information (reverse engineered from ACPI tables) */
134 #define SONYPI_FAN0_STATUS 0x93
135 #define SONYPI_TEMP_STATUS 0xC1
136
137 /* ioports used for brightness and type2 events */
138 #define SONYPI_DATA_IOPORT 0x62
139 #define SONYPI_CST_IOPORT 0x66
140
141 /* The set of possible ioports */
142 struct sonypi_ioport_list {
143 u16 port1;
144 u16 port2;
145 };
146
147 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
148 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
149 { 0x1080, 0x1084 },
150 { 0x1090, 0x1094 },
151 { 0x10a0, 0x10a4 },
152 { 0x10b0, 0x10b4 },
153 { 0x0, 0x0 }
154 };
155
156 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
157 { 0x1080, 0x1084 },
158 { 0x10a0, 0x10a4 },
159 { 0x10c0, 0x10c4 },
160 { 0x10e0, 0x10e4 },
161 { 0x0, 0x0 }
162 };
163
164 /* same as in type 2 models */
165 static struct sonypi_ioport_list *sonypi_type3_ioport_list =
166 sonypi_type2_ioport_list;
167
168 /* The set of possible interrupts */
169 struct sonypi_irq_list {
170 u16 irq;
171 u16 bits;
172 };
173
174 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
175 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
176 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
177 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
178 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
179 };
180
181 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
182 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
183 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
184 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
185 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
186 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
187 };
188
189 /* same as in type2 models */
190 static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
191
192 #define SONYPI_CAMERA_BRIGHTNESS 0
193 #define SONYPI_CAMERA_CONTRAST 1
194 #define SONYPI_CAMERA_HUE 2
195 #define SONYPI_CAMERA_COLOR 3
196 #define SONYPI_CAMERA_SHARPNESS 4
197
198 #define SONYPI_CAMERA_PICTURE 5
199 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
200 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
201 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
202 #define SONYPI_CAMERA_MUTE_MASK 0x40
203
204 /* the rest don't need a loop until not 0xff */
205 #define SONYPI_CAMERA_AGC 6
206 #define SONYPI_CAMERA_AGC_MASK 0x30
207 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
208
209 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
210 #define SONYPI_CAMERA_CONTROL 0x10
211
212 #define SONYPI_CAMERA_STATUS 7
213 #define SONYPI_CAMERA_STATUS_READY 0x2
214 #define SONYPI_CAMERA_STATUS_POSITION 0x4
215
216 #define SONYPI_DIRECTION_BACKWARDS 0x4
217
218 #define SONYPI_CAMERA_REVISION 8
219 #define SONYPI_CAMERA_ROMVERSION 9
220
221 /* Event masks */
222 #define SONYPI_JOGGER_MASK 0x00000001
223 #define SONYPI_CAPTURE_MASK 0x00000002
224 #define SONYPI_FNKEY_MASK 0x00000004
225 #define SONYPI_BLUETOOTH_MASK 0x00000008
226 #define SONYPI_PKEY_MASK 0x00000010
227 #define SONYPI_BACK_MASK 0x00000020
228 #define SONYPI_HELP_MASK 0x00000040
229 #define SONYPI_LID_MASK 0x00000080
230 #define SONYPI_ZOOM_MASK 0x00000100
231 #define SONYPI_THUMBPHRASE_MASK 0x00000200
232 #define SONYPI_MEYE_MASK 0x00000400
233 #define SONYPI_MEMORYSTICK_MASK 0x00000800
234 #define SONYPI_BATTERY_MASK 0x00001000
235 #define SONYPI_WIRELESS_MASK 0x00002000
236
237 struct sonypi_event {
238 u8 data;
239 u8 event;
240 };
241
242 /* The set of possible button release events */
243 static struct sonypi_event sonypi_releaseev[] = {
244 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
245 { 0, 0 }
246 };
247
248 /* The set of possible jogger events */
249 static struct sonypi_event sonypi_joggerev[] = {
250 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
251 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
252 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
253 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
254 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
255 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
256 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
257 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
258 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
259 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
260 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
261 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
262 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
263 { 0, 0 }
264 };
265
266 /* The set of possible capture button events */
267 static struct sonypi_event sonypi_captureev[] = {
268 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
269 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
270 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
271 { 0, 0 }
272 };
273
274 /* The set of possible fnkeys events */
275 static struct sonypi_event sonypi_fnkeyev[] = {
276 { 0x10, SONYPI_EVENT_FNKEY_ESC },
277 { 0x11, SONYPI_EVENT_FNKEY_F1 },
278 { 0x12, SONYPI_EVENT_FNKEY_F2 },
279 { 0x13, SONYPI_EVENT_FNKEY_F3 },
280 { 0x14, SONYPI_EVENT_FNKEY_F4 },
281 { 0x15, SONYPI_EVENT_FNKEY_F5 },
282 { 0x16, SONYPI_EVENT_FNKEY_F6 },
283 { 0x17, SONYPI_EVENT_FNKEY_F7 },
284 { 0x18, SONYPI_EVENT_FNKEY_F8 },
285 { 0x19, SONYPI_EVENT_FNKEY_F9 },
286 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
287 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
288 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
289 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
290 { 0x21, SONYPI_EVENT_FNKEY_1 },
291 { 0x22, SONYPI_EVENT_FNKEY_2 },
292 { 0x31, SONYPI_EVENT_FNKEY_D },
293 { 0x32, SONYPI_EVENT_FNKEY_E },
294 { 0x33, SONYPI_EVENT_FNKEY_F },
295 { 0x34, SONYPI_EVENT_FNKEY_S },
296 { 0x35, SONYPI_EVENT_FNKEY_B },
297 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
298 { 0, 0 }
299 };
300
301 /* The set of possible program key events */
302 static struct sonypi_event sonypi_pkeyev[] = {
303 { 0x01, SONYPI_EVENT_PKEY_P1 },
304 { 0x02, SONYPI_EVENT_PKEY_P2 },
305 { 0x04, SONYPI_EVENT_PKEY_P3 },
306 { 0x5c, SONYPI_EVENT_PKEY_P1 },
307 { 0, 0 }
308 };
309
310 /* The set of possible bluetooth events */
311 static struct sonypi_event sonypi_blueev[] = {
312 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
313 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
314 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
315 { 0, 0 }
316 };
317
318 /* The set of possible wireless events */
319 static struct sonypi_event sonypi_wlessev[] = {
320 { 0x59, SONYPI_EVENT_WIRELESS_ON },
321 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
322 { 0, 0 }
323 };
324
325 /* The set of possible back button events */
326 static struct sonypi_event sonypi_backev[] = {
327 { 0x20, SONYPI_EVENT_BACK_PRESSED },
328 { 0, 0 }
329 };
330
331 /* The set of possible help button events */
332 static struct sonypi_event sonypi_helpev[] = {
333 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
334 { 0, 0 }
335 };
336
337
338 /* The set of possible lid events */
339 static struct sonypi_event sonypi_lidev[] = {
340 { 0x51, SONYPI_EVENT_LID_CLOSED },
341 { 0x50, SONYPI_EVENT_LID_OPENED },
342 { 0, 0 }
343 };
344
345 /* The set of possible zoom events */
346 static struct sonypi_event sonypi_zoomev[] = {
347 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
348 { 0, 0 }
349 };
350
351 /* The set of possible thumbphrase events */
352 static struct sonypi_event sonypi_thumbphraseev[] = {
353 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
354 { 0, 0 }
355 };
356
357 /* The set of possible motioneye camera events */
358 static struct sonypi_event sonypi_meyeev[] = {
359 { 0x00, SONYPI_EVENT_MEYE_FACE },
360 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
361 { 0, 0 }
362 };
363
364 /* The set of possible memorystick events */
365 static struct sonypi_event sonypi_memorystickev[] = {
366 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
367 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
368 { 0, 0 }
369 };
370
371 /* The set of possible battery events */
372 static struct sonypi_event sonypi_batteryev[] = {
373 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
374 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
375 { 0, 0 }
376 };
377
378 static struct sonypi_eventtypes {
379 int model;
380 u8 data;
381 unsigned long mask;
382 struct sonypi_event * events;
383 } sonypi_eventtypes[] = {
384 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
385 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
386 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
387 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
388 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
389 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
390 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
391 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
392 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
393 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
394
395 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
396 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
397 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
398 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
399 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
400 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
401 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
402 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
403 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
404 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
405 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
406 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
407 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
408 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
409
410 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
411 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
412 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
413 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
414 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
415 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
416 { 0 }
417 };
418
419 #define SONYPI_BUF_SIZE 128
420
421 /* Correspondance table between sonypi events and input layer events */
422 static struct {
423 int sonypiev;
424 int inputev;
425 } sonypi_inputkeys[] = {
426 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
427 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
428 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
429 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
430 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
431 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
432 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
433 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
434 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
435 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
436 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
437 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
438 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
439 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
440 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
441 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
442 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
443 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
444 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
445 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
446 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
447 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
448 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
449 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
450 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
451 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
452 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
453 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
454 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
455 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
456 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
457 { 0, 0 },
458 };
459
460 struct sonypi_keypress {
461 struct input_dev *dev;
462 int key;
463 };
464
465 static struct sonypi_device {
466 struct pci_dev *dev;
467 u16 irq;
468 u16 bits;
469 u16 ioport1;
470 u16 ioport2;
471 u16 region_size;
472 u16 evtype_offset;
473 int camera_power;
474 int bluetooth_power;
475 struct mutex lock;
476 struct kfifo fifo;
477 spinlock_t fifo_lock;
478 wait_queue_head_t fifo_proc_list;
479 struct fasync_struct *fifo_async;
480 int open_count;
481 int model;
482 struct input_dev *input_jog_dev;
483 struct input_dev *input_key_dev;
484 struct work_struct input_work;
485 struct kfifo input_fifo;
486 spinlock_t input_fifo_lock;
487 } sonypi_device;
488
489 #define ITERATIONS_LONG 10000
490 #define ITERATIONS_SHORT 10
491
492 #define wait_on_command(quiet, command, iterations) { \
493 unsigned int n = iterations; \
494 while (--n && (command)) \
495 udelay(1); \
496 if (!n && (verbose || !quiet)) \
497 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
498 }
499
500 #ifdef CONFIG_ACPI
501 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
502 #else
503 #define SONYPI_ACPI_ACTIVE 0
504 #endif /* CONFIG_ACPI */
505
506 #ifdef CONFIG_ACPI
507 static struct acpi_device *sonypi_acpi_device;
508 static int acpi_driver_registered;
509 #endif
510
sonypi_ec_write(u8 addr,u8 value)511 static int sonypi_ec_write(u8 addr, u8 value)
512 {
513 #ifdef CONFIG_ACPI
514 if (SONYPI_ACPI_ACTIVE)
515 return ec_write(addr, value);
516 #endif
517 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
518 outb_p(0x81, SONYPI_CST_IOPORT);
519 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
520 outb_p(addr, SONYPI_DATA_IOPORT);
521 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
522 outb_p(value, SONYPI_DATA_IOPORT);
523 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
524 return 0;
525 }
526
sonypi_ec_read(u8 addr,u8 * value)527 static int sonypi_ec_read(u8 addr, u8 *value)
528 {
529 #ifdef CONFIG_ACPI
530 if (SONYPI_ACPI_ACTIVE)
531 return ec_read(addr, value);
532 #endif
533 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
534 outb_p(0x80, SONYPI_CST_IOPORT);
535 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
536 outb_p(addr, SONYPI_DATA_IOPORT);
537 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
538 *value = inb_p(SONYPI_DATA_IOPORT);
539 return 0;
540 }
541
ec_read16(u8 addr,u16 * value)542 static int ec_read16(u8 addr, u16 *value)
543 {
544 u8 val_lb, val_hb;
545 if (sonypi_ec_read(addr, &val_lb))
546 return -1;
547 if (sonypi_ec_read(addr + 1, &val_hb))
548 return -1;
549 *value = val_lb | (val_hb << 8);
550 return 0;
551 }
552
553 /* Initializes the device - this comes from the AML code in the ACPI bios */
sonypi_type1_srs(void)554 static void sonypi_type1_srs(void)
555 {
556 u32 v;
557
558 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
559 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
560 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
561
562 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
563 v = (v & 0xFFF0FFFF) |
564 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
565 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
566
567 v = inl(SONYPI_IRQ_PORT);
568 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
569 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
570 outl(v, SONYPI_IRQ_PORT);
571
572 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
573 v = (v & 0xFF1FFFFF) | 0x00C00000;
574 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
575 }
576
sonypi_type2_srs(void)577 static void sonypi_type2_srs(void)
578 {
579 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
580 printk(KERN_WARNING "ec_write failed\n");
581 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
582 printk(KERN_WARNING "ec_write failed\n");
583 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
584 printk(KERN_WARNING "ec_write failed\n");
585 udelay(10);
586 }
587
sonypi_type3_srs(void)588 static void sonypi_type3_srs(void)
589 {
590 u16 v16;
591 u8 v8;
592
593 /* This model type uses the same initialization of
594 * the embedded controller as the type2 models. */
595 sonypi_type2_srs();
596
597 /* Initialization of PCI config space of the LPC interface bridge. */
598 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
599 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
600 pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
601 v8 = (v8 & 0xCF) | 0x10;
602 pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
603 }
604
605 /* Disables the device - this comes from the AML code in the ACPI bios */
sonypi_type1_dis(void)606 static void sonypi_type1_dis(void)
607 {
608 u32 v;
609
610 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
611 v = v & 0xFF3FFFFF;
612 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
613
614 v = inl(SONYPI_IRQ_PORT);
615 v |= (0x3 << SONYPI_IRQ_SHIFT);
616 outl(v, SONYPI_IRQ_PORT);
617 }
618
sonypi_type2_dis(void)619 static void sonypi_type2_dis(void)
620 {
621 if (sonypi_ec_write(SONYPI_SHIB, 0))
622 printk(KERN_WARNING "ec_write failed\n");
623 if (sonypi_ec_write(SONYPI_SLOB, 0))
624 printk(KERN_WARNING "ec_write failed\n");
625 if (sonypi_ec_write(SONYPI_SIRQ, 0))
626 printk(KERN_WARNING "ec_write failed\n");
627 }
628
sonypi_type3_dis(void)629 static void sonypi_type3_dis(void)
630 {
631 sonypi_type2_dis();
632 udelay(10);
633 pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
634 }
635
sonypi_call1(u8 dev)636 static u8 sonypi_call1(u8 dev)
637 {
638 u8 v1, v2;
639
640 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
641 outb(dev, sonypi_device.ioport2);
642 v1 = inb_p(sonypi_device.ioport2);
643 v2 = inb_p(sonypi_device.ioport1);
644 return v2;
645 }
646
sonypi_call2(u8 dev,u8 fn)647 static u8 sonypi_call2(u8 dev, u8 fn)
648 {
649 u8 v1;
650
651 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
652 outb(dev, sonypi_device.ioport2);
653 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
654 outb(fn, sonypi_device.ioport1);
655 v1 = inb_p(sonypi_device.ioport1);
656 return v1;
657 }
658
sonypi_call3(u8 dev,u8 fn,u8 v)659 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
660 {
661 u8 v1;
662
663 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
664 outb(dev, sonypi_device.ioport2);
665 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
666 outb(fn, sonypi_device.ioport1);
667 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
668 outb(v, sonypi_device.ioport1);
669 v1 = inb_p(sonypi_device.ioport1);
670 return v1;
671 }
672
673 #if 0
674 /* Get brightness, hue etc. Unreliable... */
675 static u8 sonypi_read(u8 fn)
676 {
677 u8 v1, v2;
678 int n = 100;
679
680 while (n--) {
681 v1 = sonypi_call2(0x8f, fn);
682 v2 = sonypi_call2(0x8f, fn);
683 if (v1 == v2 && v1 != 0xff)
684 return v1;
685 }
686 return 0xff;
687 }
688 #endif
689
690 /* Set brightness, hue etc */
sonypi_set(u8 fn,u8 v)691 static void sonypi_set(u8 fn, u8 v)
692 {
693 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
694 }
695
696 /* Tests if the camera is ready */
sonypi_camera_ready(void)697 static int sonypi_camera_ready(void)
698 {
699 u8 v;
700
701 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
702 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
703 }
704
705 /* Turns the camera off */
sonypi_camera_off(void)706 static void sonypi_camera_off(void)
707 {
708 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
709
710 if (!sonypi_device.camera_power)
711 return;
712
713 sonypi_call2(0x91, 0);
714 sonypi_device.camera_power = 0;
715 }
716
717 /* Turns the camera on */
sonypi_camera_on(void)718 static void sonypi_camera_on(void)
719 {
720 int i, j;
721
722 if (sonypi_device.camera_power)
723 return;
724
725 for (j = 5; j > 0; j--) {
726
727 while (sonypi_call2(0x91, 0x1))
728 msleep(10);
729 sonypi_call1(0x93);
730
731 for (i = 400; i > 0; i--) {
732 if (sonypi_camera_ready())
733 break;
734 msleep(10);
735 }
736 if (i)
737 break;
738 }
739
740 if (j == 0) {
741 printk(KERN_WARNING "sonypi: failed to power on camera\n");
742 return;
743 }
744
745 sonypi_set(0x10, 0x5a);
746 sonypi_device.camera_power = 1;
747 }
748
749 /* sets the bluetooth subsystem power state */
sonypi_setbluetoothpower(u8 state)750 static void sonypi_setbluetoothpower(u8 state)
751 {
752 state = !!state;
753
754 if (sonypi_device.bluetooth_power == state)
755 return;
756
757 sonypi_call2(0x96, state);
758 sonypi_call1(0x82);
759 sonypi_device.bluetooth_power = state;
760 }
761
input_keyrelease(struct work_struct * work)762 static void input_keyrelease(struct work_struct *work)
763 {
764 struct sonypi_keypress kp;
765
766 while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
767 sizeof(kp), &sonypi_device.input_fifo_lock)
768 == sizeof(kp)) {
769 msleep(10);
770 input_report_key(kp.dev, kp.key, 0);
771 input_sync(kp.dev);
772 }
773 }
774
sonypi_report_input_event(u8 event)775 static void sonypi_report_input_event(u8 event)
776 {
777 struct input_dev *jog_dev = sonypi_device.input_jog_dev;
778 struct input_dev *key_dev = sonypi_device.input_key_dev;
779 struct sonypi_keypress kp = { NULL };
780 int i;
781
782 switch (event) {
783 case SONYPI_EVENT_JOGDIAL_UP:
784 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
785 input_report_rel(jog_dev, REL_WHEEL, 1);
786 input_sync(jog_dev);
787 break;
788
789 case SONYPI_EVENT_JOGDIAL_DOWN:
790 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
791 input_report_rel(jog_dev, REL_WHEEL, -1);
792 input_sync(jog_dev);
793 break;
794
795 case SONYPI_EVENT_JOGDIAL_PRESSED:
796 kp.key = BTN_MIDDLE;
797 kp.dev = jog_dev;
798 break;
799
800 case SONYPI_EVENT_FNKEY_RELEASED:
801 /* Nothing, not all VAIOs generate this event */
802 break;
803
804 default:
805 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
806 if (event == sonypi_inputkeys[i].sonypiev) {
807 kp.dev = key_dev;
808 kp.key = sonypi_inputkeys[i].inputev;
809 break;
810 }
811 break;
812 }
813
814 if (kp.dev) {
815 input_report_key(kp.dev, kp.key, 1);
816 input_sync(kp.dev);
817 kfifo_in_locked(&sonypi_device.input_fifo,
818 (unsigned char *)&kp, sizeof(kp),
819 &sonypi_device.input_fifo_lock);
820 schedule_work(&sonypi_device.input_work);
821 }
822 }
823
824 /* Interrupt handler: some event is available */
sonypi_irq(int irq,void * dev_id)825 static irqreturn_t sonypi_irq(int irq, void *dev_id)
826 {
827 u8 v1, v2, event = 0;
828 int i, j;
829
830 v1 = inb_p(sonypi_device.ioport1);
831 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
832
833 for (i = 0; sonypi_eventtypes[i].model; i++) {
834 if (sonypi_device.model != sonypi_eventtypes[i].model)
835 continue;
836 if ((v2 & sonypi_eventtypes[i].data) !=
837 sonypi_eventtypes[i].data)
838 continue;
839 if (!(mask & sonypi_eventtypes[i].mask))
840 continue;
841 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
842 if (v1 == sonypi_eventtypes[i].events[j].data) {
843 event = sonypi_eventtypes[i].events[j].event;
844 goto found;
845 }
846 }
847 }
848
849 if (verbose)
850 printk(KERN_WARNING
851 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
852 v1, v2);
853 /* We need to return IRQ_HANDLED here because there *are*
854 * events belonging to the sonypi device we don't know about,
855 * but we still don't want those to pollute the logs... */
856 return IRQ_HANDLED;
857
858 found:
859 if (verbose > 1)
860 printk(KERN_INFO
861 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
862
863 if (useinput)
864 sonypi_report_input_event(event);
865
866 kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
867 sizeof(event), &sonypi_device.fifo_lock);
868 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
869 wake_up_interruptible(&sonypi_device.fifo_proc_list);
870
871 return IRQ_HANDLED;
872 }
873
sonypi_misc_fasync(int fd,struct file * filp,int on)874 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
875 {
876 return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
877 }
878
sonypi_misc_release(struct inode * inode,struct file * file)879 static int sonypi_misc_release(struct inode *inode, struct file *file)
880 {
881 mutex_lock(&sonypi_device.lock);
882 sonypi_device.open_count--;
883 mutex_unlock(&sonypi_device.lock);
884 return 0;
885 }
886
sonypi_misc_open(struct inode * inode,struct file * file)887 static int sonypi_misc_open(struct inode *inode, struct file *file)
888 {
889 mutex_lock(&sonypi_device.lock);
890 /* Flush input queue on first open */
891 if (!sonypi_device.open_count)
892 kfifo_reset(&sonypi_device.fifo);
893 sonypi_device.open_count++;
894 mutex_unlock(&sonypi_device.lock);
895
896 return 0;
897 }
898
sonypi_misc_read(struct file * file,char __user * buf,size_t count,loff_t * pos)899 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
900 size_t count, loff_t *pos)
901 {
902 ssize_t ret;
903 unsigned char c;
904
905 if ((kfifo_len(&sonypi_device.fifo) == 0) &&
906 (file->f_flags & O_NONBLOCK))
907 return -EAGAIN;
908
909 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
910 kfifo_len(&sonypi_device.fifo) != 0);
911 if (ret)
912 return ret;
913
914 while (ret < count &&
915 (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
916 &sonypi_device.fifo_lock) == sizeof(c))) {
917 if (put_user(c, buf++))
918 return -EFAULT;
919 ret++;
920 }
921
922 if (ret > 0) {
923 struct inode *inode = file_inode(file);
924 inode_set_atime_to_ts(inode, current_time(inode));
925 }
926
927 return ret;
928 }
929
sonypi_misc_poll(struct file * file,poll_table * wait)930 static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
931 {
932 poll_wait(file, &sonypi_device.fifo_proc_list, wait);
933 if (kfifo_len(&sonypi_device.fifo))
934 return EPOLLIN | EPOLLRDNORM;
935 return 0;
936 }
937
sonypi_misc_ioctl(struct file * fp,unsigned int cmd,unsigned long arg)938 static long sonypi_misc_ioctl(struct file *fp,
939 unsigned int cmd, unsigned long arg)
940 {
941 long ret = 0;
942 void __user *argp = (void __user *)arg;
943 u8 val8;
944 u16 val16;
945
946 mutex_lock(&sonypi_device.lock);
947 switch (cmd) {
948 case SONYPI_IOCGBRT:
949 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
950 ret = -EIO;
951 break;
952 }
953 if (copy_to_user(argp, &val8, sizeof(val8)))
954 ret = -EFAULT;
955 break;
956 case SONYPI_IOCSBRT:
957 if (copy_from_user(&val8, argp, sizeof(val8))) {
958 ret = -EFAULT;
959 break;
960 }
961 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
962 ret = -EIO;
963 break;
964 case SONYPI_IOCGBAT1CAP:
965 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
966 ret = -EIO;
967 break;
968 }
969 if (copy_to_user(argp, &val16, sizeof(val16)))
970 ret = -EFAULT;
971 break;
972 case SONYPI_IOCGBAT1REM:
973 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
974 ret = -EIO;
975 break;
976 }
977 if (copy_to_user(argp, &val16, sizeof(val16)))
978 ret = -EFAULT;
979 break;
980 case SONYPI_IOCGBAT2CAP:
981 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
982 ret = -EIO;
983 break;
984 }
985 if (copy_to_user(argp, &val16, sizeof(val16)))
986 ret = -EFAULT;
987 break;
988 case SONYPI_IOCGBAT2REM:
989 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
990 ret = -EIO;
991 break;
992 }
993 if (copy_to_user(argp, &val16, sizeof(val16)))
994 ret = -EFAULT;
995 break;
996 case SONYPI_IOCGBATFLAGS:
997 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
998 ret = -EIO;
999 break;
1000 }
1001 val8 &= 0x07;
1002 if (copy_to_user(argp, &val8, sizeof(val8)))
1003 ret = -EFAULT;
1004 break;
1005 case SONYPI_IOCGBLUE:
1006 val8 = sonypi_device.bluetooth_power;
1007 if (copy_to_user(argp, &val8, sizeof(val8)))
1008 ret = -EFAULT;
1009 break;
1010 case SONYPI_IOCSBLUE:
1011 if (copy_from_user(&val8, argp, sizeof(val8))) {
1012 ret = -EFAULT;
1013 break;
1014 }
1015 sonypi_setbluetoothpower(val8);
1016 break;
1017 /* FAN Controls */
1018 case SONYPI_IOCGFAN:
1019 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1020 ret = -EIO;
1021 break;
1022 }
1023 if (copy_to_user(argp, &val8, sizeof(val8)))
1024 ret = -EFAULT;
1025 break;
1026 case SONYPI_IOCSFAN:
1027 if (copy_from_user(&val8, argp, sizeof(val8))) {
1028 ret = -EFAULT;
1029 break;
1030 }
1031 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1032 ret = -EIO;
1033 break;
1034 /* GET Temperature (useful under APM) */
1035 case SONYPI_IOCGTEMP:
1036 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1037 ret = -EIO;
1038 break;
1039 }
1040 if (copy_to_user(argp, &val8, sizeof(val8)))
1041 ret = -EFAULT;
1042 break;
1043 default:
1044 ret = -EINVAL;
1045 }
1046 mutex_unlock(&sonypi_device.lock);
1047 return ret;
1048 }
1049
1050 static const struct file_operations sonypi_misc_fops = {
1051 .owner = THIS_MODULE,
1052 .read = sonypi_misc_read,
1053 .poll = sonypi_misc_poll,
1054 .open = sonypi_misc_open,
1055 .release = sonypi_misc_release,
1056 .fasync = sonypi_misc_fasync,
1057 .unlocked_ioctl = sonypi_misc_ioctl,
1058 };
1059
1060 static struct miscdevice sonypi_misc_device = {
1061 .minor = MISC_DYNAMIC_MINOR,
1062 .name = "sonypi",
1063 .fops = &sonypi_misc_fops,
1064 };
1065
sonypi_enable(unsigned int camera_on)1066 static void sonypi_enable(unsigned int camera_on)
1067 {
1068 switch (sonypi_device.model) {
1069 case SONYPI_DEVICE_MODEL_TYPE1:
1070 sonypi_type1_srs();
1071 break;
1072 case SONYPI_DEVICE_MODEL_TYPE2:
1073 sonypi_type2_srs();
1074 break;
1075 case SONYPI_DEVICE_MODEL_TYPE3:
1076 sonypi_type3_srs();
1077 break;
1078 }
1079
1080 sonypi_call1(0x82);
1081 sonypi_call2(0x81, 0xff);
1082 sonypi_call1(compat ? 0x92 : 0x82);
1083
1084 /* Enable ACPI mode to get Fn key events */
1085 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1086 outb(0xf0, 0xb2);
1087
1088 if (camera && camera_on)
1089 sonypi_camera_on();
1090 }
1091
sonypi_disable(void)1092 static int sonypi_disable(void)
1093 {
1094 sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1095 if (camera)
1096 sonypi_camera_off();
1097
1098 /* disable ACPI mode */
1099 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1100 outb(0xf1, 0xb2);
1101
1102 switch (sonypi_device.model) {
1103 case SONYPI_DEVICE_MODEL_TYPE1:
1104 sonypi_type1_dis();
1105 break;
1106 case SONYPI_DEVICE_MODEL_TYPE2:
1107 sonypi_type2_dis();
1108 break;
1109 case SONYPI_DEVICE_MODEL_TYPE3:
1110 sonypi_type3_dis();
1111 break;
1112 }
1113
1114 return 0;
1115 }
1116
1117 #ifdef CONFIG_ACPI
sonypi_acpi_add(struct acpi_device * device)1118 static int sonypi_acpi_add(struct acpi_device *device)
1119 {
1120 sonypi_acpi_device = device;
1121 strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1122 strcpy(acpi_device_class(device), "sony/hotkey");
1123 return 0;
1124 }
1125
sonypi_acpi_remove(struct acpi_device * device)1126 static void sonypi_acpi_remove(struct acpi_device *device)
1127 {
1128 sonypi_acpi_device = NULL;
1129 }
1130
1131 static const struct acpi_device_id sonypi_device_ids[] = {
1132 {"SNY6001", 0},
1133 {"", 0},
1134 };
1135
1136 static struct acpi_driver sonypi_acpi_driver = {
1137 .name = "sonypi",
1138 .class = "hkey",
1139 .ids = sonypi_device_ids,
1140 .ops = {
1141 .add = sonypi_acpi_add,
1142 .remove = sonypi_acpi_remove,
1143 },
1144 };
1145 #endif
1146
sonypi_create_input_devices(struct platform_device * pdev)1147 static int sonypi_create_input_devices(struct platform_device *pdev)
1148 {
1149 struct input_dev *jog_dev;
1150 struct input_dev *key_dev;
1151 int i;
1152 int error;
1153
1154 sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1155 if (!jog_dev)
1156 return -ENOMEM;
1157
1158 jog_dev->name = "Sony Vaio Jogdial";
1159 jog_dev->id.bustype = BUS_ISA;
1160 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1161 jog_dev->dev.parent = &pdev->dev;
1162
1163 jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1164 jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1165 jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1166
1167 sonypi_device.input_key_dev = key_dev = input_allocate_device();
1168 if (!key_dev) {
1169 error = -ENOMEM;
1170 goto err_free_jogdev;
1171 }
1172
1173 key_dev->name = "Sony Vaio Keys";
1174 key_dev->id.bustype = BUS_ISA;
1175 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1176 key_dev->dev.parent = &pdev->dev;
1177
1178 /* Initialize the Input Drivers: special keys */
1179 key_dev->evbit[0] = BIT_MASK(EV_KEY);
1180 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1181 if (sonypi_inputkeys[i].inputev)
1182 set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1183
1184 error = input_register_device(jog_dev);
1185 if (error)
1186 goto err_free_keydev;
1187
1188 error = input_register_device(key_dev);
1189 if (error)
1190 goto err_unregister_jogdev;
1191
1192 return 0;
1193
1194 err_unregister_jogdev:
1195 input_unregister_device(jog_dev);
1196 /* Set to NULL so we don't free it again below */
1197 jog_dev = NULL;
1198 err_free_keydev:
1199 input_free_device(key_dev);
1200 sonypi_device.input_key_dev = NULL;
1201 err_free_jogdev:
1202 input_free_device(jog_dev);
1203 sonypi_device.input_jog_dev = NULL;
1204
1205 return error;
1206 }
1207
sonypi_setup_ioports(struct sonypi_device * dev,const struct sonypi_ioport_list * ioport_list)1208 static int sonypi_setup_ioports(struct sonypi_device *dev,
1209 const struct sonypi_ioport_list *ioport_list)
1210 {
1211 /* try to detect if sony-laptop is being used and thus
1212 * has already requested one of the known ioports.
1213 * As in the deprecated check_region this is racy has we have
1214 * multiple ioports available and one of them can be requested
1215 * between this check and the subsequent request. Anyway, as an
1216 * attempt to be some more user-friendly as we currently are,
1217 * this is enough.
1218 */
1219 const struct sonypi_ioport_list *check = ioport_list;
1220 while (check_ioport && check->port1) {
1221 if (!request_region(check->port1,
1222 sonypi_device.region_size,
1223 "Sony Programmable I/O Device Check")) {
1224 printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1225 "if not use check_ioport=0\n",
1226 check->port1);
1227 return -EBUSY;
1228 }
1229 release_region(check->port1, sonypi_device.region_size);
1230 check++;
1231 }
1232
1233 while (ioport_list->port1) {
1234
1235 if (request_region(ioport_list->port1,
1236 sonypi_device.region_size,
1237 "Sony Programmable I/O Device")) {
1238 dev->ioport1 = ioport_list->port1;
1239 dev->ioport2 = ioport_list->port2;
1240 return 0;
1241 }
1242 ioport_list++;
1243 }
1244
1245 return -EBUSY;
1246 }
1247
sonypi_setup_irq(struct sonypi_device * dev,const struct sonypi_irq_list * irq_list)1248 static int sonypi_setup_irq(struct sonypi_device *dev,
1249 const struct sonypi_irq_list *irq_list)
1250 {
1251 while (irq_list->irq) {
1252
1253 if (!request_irq(irq_list->irq, sonypi_irq,
1254 IRQF_SHARED, "sonypi", sonypi_irq)) {
1255 dev->irq = irq_list->irq;
1256 dev->bits = irq_list->bits;
1257 return 0;
1258 }
1259 irq_list++;
1260 }
1261
1262 return -EBUSY;
1263 }
1264
sonypi_display_info(void)1265 static void sonypi_display_info(void)
1266 {
1267 printk(KERN_INFO "sonypi: detected type%d model, "
1268 "verbose = %d, fnkeyinit = %s, camera = %s, "
1269 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1270 sonypi_device.model,
1271 verbose,
1272 str_on_off(fnkeyinit),
1273 str_on_off(camera),
1274 str_on_off(compat),
1275 mask,
1276 str_on_off(useinput),
1277 str_on_off(SONYPI_ACPI_ACTIVE));
1278 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1279 sonypi_device.irq,
1280 sonypi_device.ioport1, sonypi_device.ioport2);
1281
1282 if (minor == -1)
1283 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1284 sonypi_misc_device.minor);
1285 }
1286
sonypi_probe(struct platform_device * dev)1287 static int sonypi_probe(struct platform_device *dev)
1288 {
1289 const struct sonypi_ioport_list *ioport_list;
1290 const struct sonypi_irq_list *irq_list;
1291 struct pci_dev *pcidev;
1292 int error;
1293
1294 printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1295 "and report failures, see also "
1296 "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1297
1298 spin_lock_init(&sonypi_device.fifo_lock);
1299 error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1300 if (error) {
1301 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1302 return error;
1303 }
1304
1305 init_waitqueue_head(&sonypi_device.fifo_proc_list);
1306 mutex_init(&sonypi_device.lock);
1307 sonypi_device.bluetooth_power = -1;
1308
1309 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1310 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1311 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1312 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1313 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1314 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1315 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1316 PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1317 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1318 else
1319 sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1320
1321 if (pcidev && pci_enable_device(pcidev)) {
1322 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1323 error = -EIO;
1324 goto err_put_pcidev;
1325 }
1326
1327 sonypi_device.dev = pcidev;
1328
1329 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1330 ioport_list = sonypi_type1_ioport_list;
1331 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1332 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1333 irq_list = sonypi_type1_irq_list;
1334 } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1335 ioport_list = sonypi_type2_ioport_list;
1336 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1337 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1338 irq_list = sonypi_type2_irq_list;
1339 } else {
1340 ioport_list = sonypi_type3_ioport_list;
1341 sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1342 sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1343 irq_list = sonypi_type3_irq_list;
1344 }
1345
1346 error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1347 if (error) {
1348 printk(KERN_ERR "sonypi: failed to request ioports\n");
1349 goto err_disable_pcidev;
1350 }
1351
1352 error = sonypi_setup_irq(&sonypi_device, irq_list);
1353 if (error) {
1354 printk(KERN_ERR "sonypi: request_irq failed\n");
1355 goto err_free_ioports;
1356 }
1357
1358 if (minor != -1)
1359 sonypi_misc_device.minor = minor;
1360 error = misc_register(&sonypi_misc_device);
1361 if (error) {
1362 printk(KERN_ERR "sonypi: misc_register failed\n");
1363 goto err_free_irq;
1364 }
1365
1366 sonypi_display_info();
1367
1368 if (useinput) {
1369
1370 error = sonypi_create_input_devices(dev);
1371 if (error) {
1372 printk(KERN_ERR
1373 "sonypi: failed to create input devices\n");
1374 goto err_miscdev_unregister;
1375 }
1376
1377 spin_lock_init(&sonypi_device.input_fifo_lock);
1378 error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1379 GFP_KERNEL);
1380 if (error) {
1381 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1382 goto err_inpdev_unregister;
1383 }
1384
1385 INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1386 }
1387
1388 sonypi_enable(0);
1389
1390 return 0;
1391
1392 err_inpdev_unregister:
1393 input_unregister_device(sonypi_device.input_key_dev);
1394 input_unregister_device(sonypi_device.input_jog_dev);
1395 err_miscdev_unregister:
1396 misc_deregister(&sonypi_misc_device);
1397 err_free_irq:
1398 free_irq(sonypi_device.irq, sonypi_irq);
1399 err_free_ioports:
1400 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1401 err_disable_pcidev:
1402 if (pcidev)
1403 pci_disable_device(pcidev);
1404 err_put_pcidev:
1405 pci_dev_put(pcidev);
1406 kfifo_free(&sonypi_device.fifo);
1407
1408 return error;
1409 }
1410
sonypi_remove(struct platform_device * dev)1411 static void sonypi_remove(struct platform_device *dev)
1412 {
1413 sonypi_disable();
1414
1415 synchronize_irq(sonypi_device.irq);
1416 flush_work(&sonypi_device.input_work);
1417
1418 if (useinput) {
1419 input_unregister_device(sonypi_device.input_key_dev);
1420 input_unregister_device(sonypi_device.input_jog_dev);
1421 kfifo_free(&sonypi_device.input_fifo);
1422 }
1423
1424 misc_deregister(&sonypi_misc_device);
1425
1426 free_irq(sonypi_device.irq, sonypi_irq);
1427 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1428
1429 if (sonypi_device.dev) {
1430 pci_disable_device(sonypi_device.dev);
1431 pci_dev_put(sonypi_device.dev);
1432 }
1433
1434 kfifo_free(&sonypi_device.fifo);
1435 }
1436
1437 #ifdef CONFIG_PM_SLEEP
1438 static int old_camera_power;
1439
sonypi_suspend(struct device * dev)1440 static int sonypi_suspend(struct device *dev)
1441 {
1442 old_camera_power = sonypi_device.camera_power;
1443 sonypi_disable();
1444
1445 return 0;
1446 }
1447
sonypi_resume(struct device * dev)1448 static int sonypi_resume(struct device *dev)
1449 {
1450 sonypi_enable(old_camera_power);
1451 return 0;
1452 }
1453
1454 static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1455 #define SONYPI_PM (&sonypi_pm)
1456 #else
1457 #define SONYPI_PM NULL
1458 #endif
1459
sonypi_shutdown(struct platform_device * dev)1460 static void sonypi_shutdown(struct platform_device *dev)
1461 {
1462 sonypi_disable();
1463 }
1464
1465 static struct platform_driver sonypi_driver = {
1466 .driver = {
1467 .name = "sonypi",
1468 .pm = SONYPI_PM,
1469 },
1470 .probe = sonypi_probe,
1471 .remove = sonypi_remove,
1472 .shutdown = sonypi_shutdown,
1473 };
1474
1475 static struct platform_device *sonypi_platform_device;
1476
1477 static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
1478 {
1479 .ident = "Sony Vaio",
1480 .matches = {
1481 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1482 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1483 },
1484 },
1485 {
1486 .ident = "Sony Vaio",
1487 .matches = {
1488 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1489 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1490 },
1491 },
1492 { }
1493 };
1494
sonypi_init(void)1495 static int __init sonypi_init(void)
1496 {
1497 int error;
1498
1499 printk(KERN_INFO
1500 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1501 SONYPI_DRIVER_VERSION);
1502
1503 if (!dmi_check_system(sonypi_dmi_table))
1504 return -ENODEV;
1505
1506 error = platform_driver_register(&sonypi_driver);
1507 if (error)
1508 return error;
1509
1510 sonypi_platform_device = platform_device_alloc("sonypi", -1);
1511 if (!sonypi_platform_device) {
1512 error = -ENOMEM;
1513 goto err_driver_unregister;
1514 }
1515
1516 error = platform_device_add(sonypi_platform_device);
1517 if (error)
1518 goto err_free_device;
1519
1520 #ifdef CONFIG_ACPI
1521 if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1522 acpi_driver_registered = 1;
1523 #endif
1524
1525 return 0;
1526
1527 err_free_device:
1528 platform_device_put(sonypi_platform_device);
1529 err_driver_unregister:
1530 platform_driver_unregister(&sonypi_driver);
1531 return error;
1532 }
1533
sonypi_exit(void)1534 static void __exit sonypi_exit(void)
1535 {
1536 #ifdef CONFIG_ACPI
1537 if (acpi_driver_registered)
1538 acpi_bus_unregister_driver(&sonypi_acpi_driver);
1539 #endif
1540 platform_device_unregister(sonypi_platform_device);
1541 platform_driver_unregister(&sonypi_driver);
1542 printk(KERN_INFO "sonypi: removed.\n");
1543 }
1544
1545 module_init(sonypi_init);
1546 module_exit(sonypi_exit);
1547