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
41#include <linux/uaccess.h>
42#include <asm/io.h>
43
44#include <linux/sonypi.h>
45
46#define SONYPI_DRIVER_VERSION "1.26"
47
48MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
49MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
50MODULE_LICENSE("GPL");
51MODULE_VERSION(SONYPI_DRIVER_VERSION);
52
53static int minor = -1;
54module_param(minor, int, 0);
55MODULE_PARM_DESC(minor,
56 "minor number of the misc device, default is -1 (automatic)");
57
58static int verbose; /* = 0 */
59module_param(verbose, int, 0644);
60MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
61
62static int fnkeyinit; /* = 0 */
63module_param(fnkeyinit, int, 0444);
64MODULE_PARM_DESC(fnkeyinit,
65 "set this if your Fn keys do not generate any event");
66
67static int camera; /* = 0 */
68module_param(camera, int, 0444);
69MODULE_PARM_DESC(camera,
70 "set this if you have a MotionEye camera (PictureBook series)");
71
72static int compat; /* = 0 */
73module_param(compat, int, 0444);
74MODULE_PARM_DESC(compat,
75 "set this if you want to enable backward compatibility mode");
76
77static unsigned long mask = 0xffffffff;
78module_param(mask, ulong, 0644);
79MODULE_PARM_DESC(mask,
80 "set this to the mask of event you want to enable (see doc)");
81
82static int useinput = 1;
83module_param(useinput, int, 0444);
84MODULE_PARM_DESC(useinput,
85 "set this if you would like sonypi to feed events to the input subsystem");
86
87static int check_ioport = 1;
88module_param(check_ioport, int, 0444);
89MODULE_PARM_DESC(check_ioport,
90 "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
91
92#define SONYPI_DEVICE_MODEL_TYPE1 1
93#define SONYPI_DEVICE_MODEL_TYPE2 2
94#define SONYPI_DEVICE_MODEL_TYPE3 3
95
96/* type1 models use those */
97#define SONYPI_IRQ_PORT 0x8034
98#define SONYPI_IRQ_SHIFT 22
99#define SONYPI_TYPE1_BASE 0x50
100#define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
101#define SONYPI_TYPE1_REGION_SIZE 0x08
102#define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
103
104/* type2 series specifics */
105#define SONYPI_SIRQ 0x9b
106#define SONYPI_SLOB 0x9c
107#define SONYPI_SHIB 0x9d
108#define SONYPI_TYPE2_REGION_SIZE 0x20
109#define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
110
111/* type3 series specifics */
112#define SONYPI_TYPE3_BASE 0x40
113#define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
114#define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
115#define SONYPI_TYPE3_REGION_SIZE 0x20
116#define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
117
118/* battery / brightness addresses */
119#define SONYPI_BAT_FLAGS 0x81
120#define SONYPI_LCD_LIGHT 0x96
121#define SONYPI_BAT1_PCTRM 0xa0
122#define SONYPI_BAT1_LEFT 0xa2
123#define SONYPI_BAT1_MAXRT 0xa4
124#define SONYPI_BAT2_PCTRM 0xa8
125#define SONYPI_BAT2_LEFT 0xaa
126#define SONYPI_BAT2_MAXRT 0xac
127#define SONYPI_BAT1_MAXTK 0xb0
128#define SONYPI_BAT1_FULL 0xb2
129#define SONYPI_BAT2_MAXTK 0xb8
130#define SONYPI_BAT2_FULL 0xba
131
132/* FAN0 information (reverse engineered from ACPI tables) */
133#define SONYPI_FAN0_STATUS 0x93
134#define SONYPI_TEMP_STATUS 0xC1
135
136/* ioports used for brightness and type2 events */
137#define SONYPI_DATA_IOPORT 0x62
138#define SONYPI_CST_IOPORT 0x66
139
140/* The set of possible ioports */
141struct sonypi_ioport_list {
142 u16 port1;
143 u16 port2;
144};
145
146static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
147 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
148 { 0x1080, 0x1084 },
149 { 0x1090, 0x1094 },
150 { 0x10a0, 0x10a4 },
151 { 0x10b0, 0x10b4 },
152 { 0x0, 0x0 }
153};
154
155static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
156 { 0x1080, 0x1084 },
157 { 0x10a0, 0x10a4 },
158 { 0x10c0, 0x10c4 },
159 { 0x10e0, 0x10e4 },
160 { 0x0, 0x0 }
161};
162
163/* same as in type 2 models */
164static struct sonypi_ioport_list *sonypi_type3_ioport_list =
165 sonypi_type2_ioport_list;
166
167/* The set of possible interrupts */
168struct sonypi_irq_list {
169 u16 irq;
170 u16 bits;
171};
172
173static struct sonypi_irq_list sonypi_type1_irq_list[] = {
174 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
175 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
176 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
177 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
178};
179
180static struct sonypi_irq_list sonypi_type2_irq_list[] = {
181 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
182 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
183 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
184 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
185 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
186};
187
188/* same as in type2 models */
189static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
190
191#define SONYPI_CAMERA_BRIGHTNESS 0
192#define SONYPI_CAMERA_CONTRAST 1
193#define SONYPI_CAMERA_HUE 2
194#define SONYPI_CAMERA_COLOR 3
195#define SONYPI_CAMERA_SHARPNESS 4
196
197#define SONYPI_CAMERA_PICTURE 5
198#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
199#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
200#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
201#define SONYPI_CAMERA_MUTE_MASK 0x40
202
203/* the rest don't need a loop until not 0xff */
204#define SONYPI_CAMERA_AGC 6
205#define SONYPI_CAMERA_AGC_MASK 0x30
206#define SONYPI_CAMERA_SHUTTER_MASK 0x7
207
208#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
209#define SONYPI_CAMERA_CONTROL 0x10
210
211#define SONYPI_CAMERA_STATUS 7
212#define SONYPI_CAMERA_STATUS_READY 0x2
213#define SONYPI_CAMERA_STATUS_POSITION 0x4
214
215#define SONYPI_DIRECTION_BACKWARDS 0x4
216
217#define SONYPI_CAMERA_REVISION 8
218#define SONYPI_CAMERA_ROMVERSION 9
219
220/* Event masks */
221#define SONYPI_JOGGER_MASK 0x00000001
222#define SONYPI_CAPTURE_MASK 0x00000002
223#define SONYPI_FNKEY_MASK 0x00000004
224#define SONYPI_BLUETOOTH_MASK 0x00000008
225#define SONYPI_PKEY_MASK 0x00000010
226#define SONYPI_BACK_MASK 0x00000020
227#define SONYPI_HELP_MASK 0x00000040
228#define SONYPI_LID_MASK 0x00000080
229#define SONYPI_ZOOM_MASK 0x00000100
230#define SONYPI_THUMBPHRASE_MASK 0x00000200
231#define SONYPI_MEYE_MASK 0x00000400
232#define SONYPI_MEMORYSTICK_MASK 0x00000800
233#define SONYPI_BATTERY_MASK 0x00001000
234#define SONYPI_WIRELESS_MASK 0x00002000
235
236struct sonypi_event {
237 u8 data;
238 u8 event;
239};
240
241/* The set of possible button release events */
242static struct sonypi_event sonypi_releaseev[] = {
243 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
244 { 0, 0 }
245};
246
247/* The set of possible jogger events */
248static struct sonypi_event sonypi_joggerev[] = {
249 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
250 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
251 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
252 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
253 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
254 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
255 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
256 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
257 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
258 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
259 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
260 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
261 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
262 { 0, 0 }
263};
264
265/* The set of possible capture button events */
266static struct sonypi_event sonypi_captureev[] = {
267 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
268 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
269 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
270 { 0, 0 }
271};
272
273/* The set of possible fnkeys events */
274static struct sonypi_event sonypi_fnkeyev[] = {
275 { 0x10, SONYPI_EVENT_FNKEY_ESC },
276 { 0x11, SONYPI_EVENT_FNKEY_F1 },
277 { 0x12, SONYPI_EVENT_FNKEY_F2 },
278 { 0x13, SONYPI_EVENT_FNKEY_F3 },
279 { 0x14, SONYPI_EVENT_FNKEY_F4 },
280 { 0x15, SONYPI_EVENT_FNKEY_F5 },
281 { 0x16, SONYPI_EVENT_FNKEY_F6 },
282 { 0x17, SONYPI_EVENT_FNKEY_F7 },
283 { 0x18, SONYPI_EVENT_FNKEY_F8 },
284 { 0x19, SONYPI_EVENT_FNKEY_F9 },
285 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
286 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
287 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
288 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
289 { 0x21, SONYPI_EVENT_FNKEY_1 },
290 { 0x22, SONYPI_EVENT_FNKEY_2 },
291 { 0x31, SONYPI_EVENT_FNKEY_D },
292 { 0x32, SONYPI_EVENT_FNKEY_E },
293 { 0x33, SONYPI_EVENT_FNKEY_F },
294 { 0x34, SONYPI_EVENT_FNKEY_S },
295 { 0x35, SONYPI_EVENT_FNKEY_B },
296 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
297 { 0, 0 }
298};
299
300/* The set of possible program key events */
301static struct sonypi_event sonypi_pkeyev[] = {
302 { 0x01, SONYPI_EVENT_PKEY_P1 },
303 { 0x02, SONYPI_EVENT_PKEY_P2 },
304 { 0x04, SONYPI_EVENT_PKEY_P3 },
305 { 0x5c, SONYPI_EVENT_PKEY_P1 },
306 { 0, 0 }
307};
308
309/* The set of possible bluetooth events */
310static struct sonypi_event sonypi_blueev[] = {
311 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
312 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
313 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
314 { 0, 0 }
315};
316
317/* The set of possible wireless events */
318static struct sonypi_event sonypi_wlessev[] = {
319 { 0x59, SONYPI_EVENT_WIRELESS_ON },
320 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
321 { 0, 0 }
322};
323
324/* The set of possible back button events */
325static struct sonypi_event sonypi_backev[] = {
326 { 0x20, SONYPI_EVENT_BACK_PRESSED },
327 { 0, 0 }
328};
329
330/* The set of possible help button events */
331static struct sonypi_event sonypi_helpev[] = {
332 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
333 { 0, 0 }
334};
335
336
337/* The set of possible lid events */
338static struct sonypi_event sonypi_lidev[] = {
339 { 0x51, SONYPI_EVENT_LID_CLOSED },
340 { 0x50, SONYPI_EVENT_LID_OPENED },
341 { 0, 0 }
342};
343
344/* The set of possible zoom events */
345static struct sonypi_event sonypi_zoomev[] = {
346 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
347 { 0, 0 }
348};
349
350/* The set of possible thumbphrase events */
351static struct sonypi_event sonypi_thumbphraseev[] = {
352 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
353 { 0, 0 }
354};
355
356/* The set of possible motioneye camera events */
357static struct sonypi_event sonypi_meyeev[] = {
358 { 0x00, SONYPI_EVENT_MEYE_FACE },
359 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
360 { 0, 0 }
361};
362
363/* The set of possible memorystick events */
364static struct sonypi_event sonypi_memorystickev[] = {
365 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
366 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
367 { 0, 0 }
368};
369
370/* The set of possible battery events */
371static struct sonypi_event sonypi_batteryev[] = {
372 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
373 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
374 { 0, 0 }
375};
376
377static struct sonypi_eventtypes {
378 int model;
379 u8 data;
380 unsigned long mask;
381 struct sonypi_event * events;
382} sonypi_eventtypes[] = {
383 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
384 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
385 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
386 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
387 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
388 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
389 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
390 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
391 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
392 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
393
394 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
395 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
396 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
397 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
398 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
399 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
400 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
401 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
402 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
403 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
404 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
405 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
406 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
407 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
408
409 { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
410 { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
411 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
412 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
413 { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
414 { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
415 { 0 }
416};
417
418#define SONYPI_BUF_SIZE 128
419
420/* Correspondance table between sonypi events and input layer events */
421static struct {
422 int sonypiev;
423 int inputev;
424} sonypi_inputkeys[] = {
425 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
426 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
427 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
428 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
429 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
430 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
431 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
432 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
433 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
434 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
435 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
436 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
437 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
438 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
439 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
440 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
441 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
442 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
443 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
444 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
445 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
446 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
447 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
448 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
449 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
450 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
451 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
452 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
453 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
454 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
455 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
456 { 0, 0 },
457};
458
459struct sonypi_keypress {
460 struct input_dev *dev;
461 int key;
462};
463
464static struct sonypi_device {
465 struct pci_dev *dev;
466 u16 irq;
467 u16 bits;
468 u16 ioport1;
469 u16 ioport2;
470 u16 region_size;
471 u16 evtype_offset;
472 int camera_power;
473 int bluetooth_power;
474 struct mutex lock;
475 struct kfifo fifo;
476 spinlock_t fifo_lock;
477 wait_queue_head_t fifo_proc_list;
478 struct fasync_struct *fifo_async;
479 int open_count;
480 int model;
481 struct input_dev *input_jog_dev;
482 struct input_dev *input_key_dev;
483 struct work_struct input_work;
484 struct kfifo input_fifo;
485 spinlock_t input_fifo_lock;
486} sonypi_device;
487
488#define ITERATIONS_LONG 10000
489#define ITERATIONS_SHORT 10
490
491#define wait_on_command(quiet, command, iterations) { \
492 unsigned int n = iterations; \
493 while (--n && (command)) \
494 udelay(1); \
495 if (!n && (verbose || !quiet)) \
496 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
497}
498
499#ifdef CONFIG_ACPI
500#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
501#else
502#define SONYPI_ACPI_ACTIVE 0
503#endif /* CONFIG_ACPI */
504
505#ifdef CONFIG_ACPI
506static struct acpi_device *sonypi_acpi_device;
507static int acpi_driver_registered;
508#endif
509
510static int sonypi_ec_write(u8 addr, u8 value)
511{
512#ifdef CONFIG_ACPI
513 if (SONYPI_ACPI_ACTIVE)
514 return ec_write(addr, val: value);
515#endif
516 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
517 outb_p(value: 0x81, SONYPI_CST_IOPORT);
518 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
519 outb_p(value: addr, SONYPI_DATA_IOPORT);
520 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
521 outb_p(value, SONYPI_DATA_IOPORT);
522 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
523 return 0;
524}
525
526static int sonypi_ec_read(u8 addr, u8 *value)
527{
528#ifdef CONFIG_ACPI
529 if (SONYPI_ACPI_ACTIVE)
530 return ec_read(addr, val: value);
531#endif
532 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
533 outb_p(value: 0x80, SONYPI_CST_IOPORT);
534 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
535 outb_p(value: addr, SONYPI_DATA_IOPORT);
536 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
537 *value = inb_p(SONYPI_DATA_IOPORT);
538 return 0;
539}
540
541static int ec_read16(u8 addr, u16 *value)
542{
543 u8 val_lb, val_hb;
544 if (sonypi_ec_read(addr, value: &val_lb))
545 return -1;
546 if (sonypi_ec_read(addr: addr + 1, value: &val_hb))
547 return -1;
548 *value = val_lb | (val_hb << 8);
549 return 0;
550}
551
552/* Initializes the device - this comes from the AML code in the ACPI bios */
553static void sonypi_type1_srs(void)
554{
555 u32 v;
556
557 pci_read_config_dword(dev: sonypi_device.dev, SONYPI_G10A, val: &v);
558 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
559 pci_write_config_dword(dev: sonypi_device.dev, SONYPI_G10A, val: v);
560
561 pci_read_config_dword(dev: sonypi_device.dev, SONYPI_G10A, val: &v);
562 v = (v & 0xFFF0FFFF) |
563 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
564 pci_write_config_dword(dev: sonypi_device.dev, SONYPI_G10A, val: v);
565
566 v = inl(SONYPI_IRQ_PORT);
567 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
568 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
569 outl(value: v, SONYPI_IRQ_PORT);
570
571 pci_read_config_dword(dev: sonypi_device.dev, SONYPI_G10A, val: &v);
572 v = (v & 0xFF1FFFFF) | 0x00C00000;
573 pci_write_config_dword(dev: sonypi_device.dev, SONYPI_G10A, val: v);
574}
575
576static void sonypi_type2_srs(void)
577{
578 if (sonypi_ec_write(SONYPI_SHIB, value: (sonypi_device.ioport1 & 0xFF00) >> 8))
579 printk(KERN_WARNING "ec_write failed\n");
580 if (sonypi_ec_write(SONYPI_SLOB, value: sonypi_device.ioport1 & 0x00FF))
581 printk(KERN_WARNING "ec_write failed\n");
582 if (sonypi_ec_write(SONYPI_SIRQ, value: sonypi_device.bits))
583 printk(KERN_WARNING "ec_write failed\n");
584 udelay(10);
585}
586
587static void sonypi_type3_srs(void)
588{
589 u16 v16;
590 u8 v8;
591
592 /* This model type uses the same initialization of
593 * the embedded controller as the type2 models. */
594 sonypi_type2_srs();
595
596 /* Initialization of PCI config space of the LPC interface bridge. */
597 v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
598 pci_write_config_word(dev: sonypi_device.dev, SONYPI_TYPE3_GID2, val: v16);
599 pci_read_config_byte(dev: sonypi_device.dev, SONYPI_TYPE3_MISC, val: &v8);
600 v8 = (v8 & 0xCF) | 0x10;
601 pci_write_config_byte(dev: sonypi_device.dev, SONYPI_TYPE3_MISC, val: v8);
602}
603
604/* Disables the device - this comes from the AML code in the ACPI bios */
605static void sonypi_type1_dis(void)
606{
607 u32 v;
608
609 pci_read_config_dword(dev: sonypi_device.dev, SONYPI_G10A, val: &v);
610 v = v & 0xFF3FFFFF;
611 pci_write_config_dword(dev: sonypi_device.dev, SONYPI_G10A, val: v);
612
613 v = inl(SONYPI_IRQ_PORT);
614 v |= (0x3 << SONYPI_IRQ_SHIFT);
615 outl(value: v, SONYPI_IRQ_PORT);
616}
617
618static void sonypi_type2_dis(void)
619{
620 if (sonypi_ec_write(SONYPI_SHIB, value: 0))
621 printk(KERN_WARNING "ec_write failed\n");
622 if (sonypi_ec_write(SONYPI_SLOB, value: 0))
623 printk(KERN_WARNING "ec_write failed\n");
624 if (sonypi_ec_write(SONYPI_SIRQ, value: 0))
625 printk(KERN_WARNING "ec_write failed\n");
626}
627
628static void sonypi_type3_dis(void)
629{
630 sonypi_type2_dis();
631 udelay(10);
632 pci_write_config_word(dev: sonypi_device.dev, SONYPI_TYPE3_GID2, val: 0);
633}
634
635static u8 sonypi_call1(u8 dev)
636{
637 u8 v1, v2;
638
639 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
640 outb(value: dev, port: sonypi_device.ioport2);
641 v1 = inb_p(port: sonypi_device.ioport2);
642 v2 = inb_p(port: sonypi_device.ioport1);
643 return v2;
644}
645
646static u8 sonypi_call2(u8 dev, u8 fn)
647{
648 u8 v1;
649
650 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
651 outb(value: dev, port: sonypi_device.ioport2);
652 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
653 outb(value: fn, port: sonypi_device.ioport1);
654 v1 = inb_p(port: sonypi_device.ioport1);
655 return v1;
656}
657
658static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
659{
660 u8 v1;
661
662 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
663 outb(value: dev, port: sonypi_device.ioport2);
664 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
665 outb(value: fn, port: sonypi_device.ioport1);
666 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
667 outb(value: v, port: sonypi_device.ioport1);
668 v1 = inb_p(port: sonypi_device.ioport1);
669 return v1;
670}
671
672#if 0
673/* Get brightness, hue etc. Unreliable... */
674static u8 sonypi_read(u8 fn)
675{
676 u8 v1, v2;
677 int n = 100;
678
679 while (n--) {
680 v1 = sonypi_call2(0x8f, fn);
681 v2 = sonypi_call2(0x8f, fn);
682 if (v1 == v2 && v1 != 0xff)
683 return v1;
684 }
685 return 0xff;
686}
687#endif
688
689/* Set brightness, hue etc */
690static void sonypi_set(u8 fn, u8 v)
691{
692 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
693}
694
695/* Tests if the camera is ready */
696static int sonypi_camera_ready(void)
697{
698 u8 v;
699
700 v = sonypi_call2(dev: 0x8f, SONYPI_CAMERA_STATUS);
701 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
702}
703
704/* Turns the camera off */
705static void sonypi_camera_off(void)
706{
707 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
708
709 if (!sonypi_device.camera_power)
710 return;
711
712 sonypi_call2(dev: 0x91, fn: 0);
713 sonypi_device.camera_power = 0;
714}
715
716/* Turns the camera on */
717static void sonypi_camera_on(void)
718{
719 int i, j;
720
721 if (sonypi_device.camera_power)
722 return;
723
724 for (j = 5; j > 0; j--) {
725
726 while (sonypi_call2(dev: 0x91, fn: 0x1))
727 msleep(msecs: 10);
728 sonypi_call1(dev: 0x93);
729
730 for (i = 400; i > 0; i--) {
731 if (sonypi_camera_ready())
732 break;
733 msleep(msecs: 10);
734 }
735 if (i)
736 break;
737 }
738
739 if (j == 0) {
740 printk(KERN_WARNING "sonypi: failed to power on camera\n");
741 return;
742 }
743
744 sonypi_set(fn: 0x10, v: 0x5a);
745 sonypi_device.camera_power = 1;
746}
747
748/* sets the bluetooth subsystem power state */
749static void sonypi_setbluetoothpower(u8 state)
750{
751 state = !!state;
752
753 if (sonypi_device.bluetooth_power == state)
754 return;
755
756 sonypi_call2(dev: 0x96, fn: state);
757 sonypi_call1(dev: 0x82);
758 sonypi_device.bluetooth_power = state;
759}
760
761static void input_keyrelease(struct work_struct *work)
762{
763 struct sonypi_keypress kp;
764
765 while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
766 sizeof(kp), &sonypi_device.input_fifo_lock)
767 == sizeof(kp)) {
768 msleep(msecs: 10);
769 input_report_key(dev: kp.dev, code: kp.key, value: 0);
770 input_sync(dev: kp.dev);
771 }
772}
773
774static void sonypi_report_input_event(u8 event)
775{
776 struct input_dev *jog_dev = sonypi_device.input_jog_dev;
777 struct input_dev *key_dev = sonypi_device.input_key_dev;
778 struct sonypi_keypress kp = { NULL };
779 int i;
780
781 switch (event) {
782 case SONYPI_EVENT_JOGDIAL_UP:
783 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
784 input_report_rel(dev: jog_dev, REL_WHEEL, value: 1);
785 input_sync(dev: jog_dev);
786 break;
787
788 case SONYPI_EVENT_JOGDIAL_DOWN:
789 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
790 input_report_rel(dev: jog_dev, REL_WHEEL, value: -1);
791 input_sync(dev: jog_dev);
792 break;
793
794 case SONYPI_EVENT_JOGDIAL_PRESSED:
795 kp.key = BTN_MIDDLE;
796 kp.dev = jog_dev;
797 break;
798
799 case SONYPI_EVENT_FNKEY_RELEASED:
800 /* Nothing, not all VAIOs generate this event */
801 break;
802
803 default:
804 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
805 if (event == sonypi_inputkeys[i].sonypiev) {
806 kp.dev = key_dev;
807 kp.key = sonypi_inputkeys[i].inputev;
808 break;
809 }
810 break;
811 }
812
813 if (kp.dev) {
814 input_report_key(dev: kp.dev, code: kp.key, value: 1);
815 input_sync(dev: kp.dev);
816 kfifo_in_locked(&sonypi_device.input_fifo,
817 (unsigned char *)&kp, sizeof(kp),
818 &sonypi_device.input_fifo_lock);
819 schedule_work(work: &sonypi_device.input_work);
820 }
821}
822
823/* Interrupt handler: some event is available */
824static irqreturn_t sonypi_irq(int irq, void *dev_id)
825{
826 u8 v1, v2, event = 0;
827 int i, j;
828
829 v1 = inb_p(port: sonypi_device.ioport1);
830 v2 = inb_p(port: sonypi_device.ioport1 + sonypi_device.evtype_offset);
831
832 for (i = 0; sonypi_eventtypes[i].model; i++) {
833 if (sonypi_device.model != sonypi_eventtypes[i].model)
834 continue;
835 if ((v2 & sonypi_eventtypes[i].data) !=
836 sonypi_eventtypes[i].data)
837 continue;
838 if (!(mask & sonypi_eventtypes[i].mask))
839 continue;
840 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
841 if (v1 == sonypi_eventtypes[i].events[j].data) {
842 event = sonypi_eventtypes[i].events[j].event;
843 goto found;
844 }
845 }
846 }
847
848 if (verbose)
849 printk(KERN_WARNING
850 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
851 v1, v2);
852 /* We need to return IRQ_HANDLED here because there *are*
853 * events belonging to the sonypi device we don't know about,
854 * but we still don't want those to pollute the logs... */
855 return IRQ_HANDLED;
856
857found:
858 if (verbose > 1)
859 printk(KERN_INFO
860 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
861
862 if (useinput)
863 sonypi_report_input_event(event);
864
865 kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
866 sizeof(event), &sonypi_device.fifo_lock);
867 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
868 wake_up_interruptible(&sonypi_device.fifo_proc_list);
869
870 return IRQ_HANDLED;
871}
872
873static int sonypi_misc_fasync(int fd, struct file *filp, int on)
874{
875 return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
876}
877
878static int sonypi_misc_release(struct inode *inode, struct file *file)
879{
880 mutex_lock(&sonypi_device.lock);
881 sonypi_device.open_count--;
882 mutex_unlock(lock: &sonypi_device.lock);
883 return 0;
884}
885
886static int sonypi_misc_open(struct inode *inode, struct file *file)
887{
888 mutex_lock(&sonypi_device.lock);
889 /* Flush input queue on first open */
890 if (!sonypi_device.open_count)
891 kfifo_reset(&sonypi_device.fifo);
892 sonypi_device.open_count++;
893 mutex_unlock(lock: &sonypi_device.lock);
894
895 return 0;
896}
897
898static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
899 size_t count, loff_t *pos)
900{
901 ssize_t ret;
902 unsigned char c;
903
904 if ((kfifo_len(&sonypi_device.fifo) == 0) &&
905 (file->f_flags & O_NONBLOCK))
906 return -EAGAIN;
907
908 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
909 kfifo_len(&sonypi_device.fifo) != 0);
910 if (ret)
911 return ret;
912
913 while (ret < count &&
914 (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
915 &sonypi_device.fifo_lock) == sizeof(c))) {
916 if (put_user(c, buf++))
917 return -EFAULT;
918 ret++;
919 }
920
921 if (ret > 0) {
922 struct inode *inode = file_inode(f: file);
923 inode_set_atime_to_ts(inode, ts: current_time(inode));
924 }
925
926 return ret;
927}
928
929static __poll_t sonypi_misc_poll(struct file *file, poll_table *wait)
930{
931 poll_wait(filp: file, wait_address: &sonypi_device.fifo_proc_list, p: wait);
932 if (kfifo_len(&sonypi_device.fifo))
933 return EPOLLIN | EPOLLRDNORM;
934 return 0;
935}
936
937static long sonypi_misc_ioctl(struct file *fp,
938 unsigned int cmd, unsigned long arg)
939{
940 long ret = 0;
941 void __user *argp = (void __user *)arg;
942 u8 val8;
943 u16 val16;
944
945 mutex_lock(&sonypi_device.lock);
946 switch (cmd) {
947 case SONYPI_IOCGBRT:
948 if (sonypi_ec_read(SONYPI_LCD_LIGHT, value: &val8)) {
949 ret = -EIO;
950 break;
951 }
952 if (copy_to_user(to: argp, from: &val8, n: sizeof(val8)))
953 ret = -EFAULT;
954 break;
955 case SONYPI_IOCSBRT:
956 if (copy_from_user(to: &val8, from: argp, n: sizeof(val8))) {
957 ret = -EFAULT;
958 break;
959 }
960 if (sonypi_ec_write(SONYPI_LCD_LIGHT, value: val8))
961 ret = -EIO;
962 break;
963 case SONYPI_IOCGBAT1CAP:
964 if (ec_read16(SONYPI_BAT1_FULL, value: &val16)) {
965 ret = -EIO;
966 break;
967 }
968 if (copy_to_user(to: argp, from: &val16, n: sizeof(val16)))
969 ret = -EFAULT;
970 break;
971 case SONYPI_IOCGBAT1REM:
972 if (ec_read16(SONYPI_BAT1_LEFT, value: &val16)) {
973 ret = -EIO;
974 break;
975 }
976 if (copy_to_user(to: argp, from: &val16, n: sizeof(val16)))
977 ret = -EFAULT;
978 break;
979 case SONYPI_IOCGBAT2CAP:
980 if (ec_read16(SONYPI_BAT2_FULL, value: &val16)) {
981 ret = -EIO;
982 break;
983 }
984 if (copy_to_user(to: argp, from: &val16, n: sizeof(val16)))
985 ret = -EFAULT;
986 break;
987 case SONYPI_IOCGBAT2REM:
988 if (ec_read16(SONYPI_BAT2_LEFT, value: &val16)) {
989 ret = -EIO;
990 break;
991 }
992 if (copy_to_user(to: argp, from: &val16, n: sizeof(val16)))
993 ret = -EFAULT;
994 break;
995 case SONYPI_IOCGBATFLAGS:
996 if (sonypi_ec_read(SONYPI_BAT_FLAGS, value: &val8)) {
997 ret = -EIO;
998 break;
999 }
1000 val8 &= 0x07;
1001 if (copy_to_user(to: argp, from: &val8, n: sizeof(val8)))
1002 ret = -EFAULT;
1003 break;
1004 case SONYPI_IOCGBLUE:
1005 val8 = sonypi_device.bluetooth_power;
1006 if (copy_to_user(to: argp, from: &val8, n: sizeof(val8)))
1007 ret = -EFAULT;
1008 break;
1009 case SONYPI_IOCSBLUE:
1010 if (copy_from_user(to: &val8, from: argp, n: sizeof(val8))) {
1011 ret = -EFAULT;
1012 break;
1013 }
1014 sonypi_setbluetoothpower(state: val8);
1015 break;
1016 /* FAN Controls */
1017 case SONYPI_IOCGFAN:
1018 if (sonypi_ec_read(SONYPI_FAN0_STATUS, value: &val8)) {
1019 ret = -EIO;
1020 break;
1021 }
1022 if (copy_to_user(to: argp, from: &val8, n: sizeof(val8)))
1023 ret = -EFAULT;
1024 break;
1025 case SONYPI_IOCSFAN:
1026 if (copy_from_user(to: &val8, from: argp, n: sizeof(val8))) {
1027 ret = -EFAULT;
1028 break;
1029 }
1030 if (sonypi_ec_write(SONYPI_FAN0_STATUS, value: val8))
1031 ret = -EIO;
1032 break;
1033 /* GET Temperature (useful under APM) */
1034 case SONYPI_IOCGTEMP:
1035 if (sonypi_ec_read(SONYPI_TEMP_STATUS, value: &val8)) {
1036 ret = -EIO;
1037 break;
1038 }
1039 if (copy_to_user(to: argp, from: &val8, n: sizeof(val8)))
1040 ret = -EFAULT;
1041 break;
1042 default:
1043 ret = -EINVAL;
1044 }
1045 mutex_unlock(lock: &sonypi_device.lock);
1046 return ret;
1047}
1048
1049static const struct file_operations sonypi_misc_fops = {
1050 .owner = THIS_MODULE,
1051 .read = sonypi_misc_read,
1052 .poll = sonypi_misc_poll,
1053 .open = sonypi_misc_open,
1054 .release = sonypi_misc_release,
1055 .fasync = sonypi_misc_fasync,
1056 .unlocked_ioctl = sonypi_misc_ioctl,
1057 .llseek = no_llseek,
1058};
1059
1060static struct miscdevice sonypi_misc_device = {
1061 .minor = MISC_DYNAMIC_MINOR,
1062 .name = "sonypi",
1063 .fops = &sonypi_misc_fops,
1064};
1065
1066static 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(dev: 0x82);
1081 sonypi_call2(dev: 0x81, fn: 0xff);
1082 sonypi_call1(dev: compat ? 0x92 : 0x82);
1083
1084 /* Enable ACPI mode to get Fn key events */
1085 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1086 outb(value: 0xf0, port: 0xb2);
1087
1088 if (camera && camera_on)
1089 sonypi_camera_on();
1090}
1091
1092static int sonypi_disable(void)
1093{
1094 sonypi_call2(dev: 0x81, fn: 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(value: 0xf1, port: 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
1118static int sonypi_acpi_add(struct acpi_device *device)
1119{
1120 sonypi_acpi_device = device;
1121 strcpy(acpi_device_name(device), q: "Sony laptop hotkeys");
1122 strcpy(acpi_device_class(device), q: "sony/hotkey");
1123 return 0;
1124}
1125
1126static void sonypi_acpi_remove(struct acpi_device *device)
1127{
1128 sonypi_acpi_device = NULL;
1129}
1130
1131static const struct acpi_device_id sonypi_device_ids[] = {
1132 {"SNY6001", 0},
1133 {"", 0},
1134};
1135
1136static 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
1147static 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(nr: sonypi_inputkeys[i].inputev, addr: 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(dev: key_dev);
1200 sonypi_device.input_key_dev = NULL;
1201 err_free_jogdev:
1202 input_free_device(dev: jog_dev);
1203 sonypi_device.input_jog_dev = NULL;
1204
1205 return error;
1206}
1207
1208static 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
1248static 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: irq_list->irq, handler: sonypi_irq,
1254 IRQF_SHARED, name: "sonypi", dev: 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
1265static 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 fnkeyinit ? "on" : "off",
1273 camera ? "on" : "off",
1274 compat ? "on" : "off",
1275 mask,
1276 useinput ? "on" : "off",
1277 SONYPI_ACPI_ACTIVE ? "on" : "off");
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
1287static 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(dev: 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(dev: &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(dev: &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(misc: &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(pdev: 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(camera_on: 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(misc: &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(dev: pcidev);
1404 err_put_pcidev:
1405 pci_dev_put(dev: pcidev);
1406 kfifo_free(&sonypi_device.fifo);
1407
1408 return error;
1409}
1410
1411static int sonypi_remove(struct platform_device *dev)
1412{
1413 sonypi_disable();
1414
1415 synchronize_irq(irq: sonypi_device.irq);
1416 flush_work(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(misc: &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(dev: sonypi_device.dev);
1431 pci_dev_put(dev: sonypi_device.dev);
1432 }
1433
1434 kfifo_free(&sonypi_device.fifo);
1435
1436 return 0;
1437}
1438
1439#ifdef CONFIG_PM_SLEEP
1440static int old_camera_power;
1441
1442static int sonypi_suspend(struct device *dev)
1443{
1444 old_camera_power = sonypi_device.camera_power;
1445 sonypi_disable();
1446
1447 return 0;
1448}
1449
1450static int sonypi_resume(struct device *dev)
1451{
1452 sonypi_enable(camera_on: old_camera_power);
1453 return 0;
1454}
1455
1456static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1457#define SONYPI_PM (&sonypi_pm)
1458#else
1459#define SONYPI_PM NULL
1460#endif
1461
1462static void sonypi_shutdown(struct platform_device *dev)
1463{
1464 sonypi_disable();
1465}
1466
1467static struct platform_driver sonypi_driver = {
1468 .driver = {
1469 .name = "sonypi",
1470 .pm = SONYPI_PM,
1471 },
1472 .probe = sonypi_probe,
1473 .remove = sonypi_remove,
1474 .shutdown = sonypi_shutdown,
1475};
1476
1477static struct platform_device *sonypi_platform_device;
1478
1479static const struct dmi_system_id sonypi_dmi_table[] __initconst = {
1480 {
1481 .ident = "Sony Vaio",
1482 .matches = {
1483 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1484 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1485 },
1486 },
1487 {
1488 .ident = "Sony Vaio",
1489 .matches = {
1490 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1491 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1492 },
1493 },
1494 { }
1495};
1496
1497static int __init sonypi_init(void)
1498{
1499 int error;
1500
1501 printk(KERN_INFO
1502 "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1503 SONYPI_DRIVER_VERSION);
1504
1505 if (!dmi_check_system(list: sonypi_dmi_table))
1506 return -ENODEV;
1507
1508 error = platform_driver_register(&sonypi_driver);
1509 if (error)
1510 return error;
1511
1512 sonypi_platform_device = platform_device_alloc(name: "sonypi", id: -1);
1513 if (!sonypi_platform_device) {
1514 error = -ENOMEM;
1515 goto err_driver_unregister;
1516 }
1517
1518 error = platform_device_add(pdev: sonypi_platform_device);
1519 if (error)
1520 goto err_free_device;
1521
1522#ifdef CONFIG_ACPI
1523 if (acpi_bus_register_driver(driver: &sonypi_acpi_driver) >= 0)
1524 acpi_driver_registered = 1;
1525#endif
1526
1527 return 0;
1528
1529 err_free_device:
1530 platform_device_put(pdev: sonypi_platform_device);
1531 err_driver_unregister:
1532 platform_driver_unregister(&sonypi_driver);
1533 return error;
1534}
1535
1536static void __exit sonypi_exit(void)
1537{
1538#ifdef CONFIG_ACPI
1539 if (acpi_driver_registered)
1540 acpi_bus_unregister_driver(driver: &sonypi_acpi_driver);
1541#endif
1542 platform_device_unregister(sonypi_platform_device);
1543 platform_driver_unregister(&sonypi_driver);
1544 printk(KERN_INFO "sonypi: removed.\n");
1545}
1546
1547module_init(sonypi_init);
1548module_exit(sonypi_exit);
1549

source code of linux/drivers/char/sonypi.c