Root/drivers/char/sonypi.c

1/*
2 * Sony Programmable I/O Control Device driver for VAIO
3 *
4 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
5 *
6 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
7 *
8 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
9 *
10 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
11 *
12 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
13 *
14 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
15 *
16 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
17 *
18 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
19 *
20 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
21 *
22 * This program is free software; you can redistribute it and/or modify
23 * it under the terms of the GNU General Public License as published by
24 * the Free Software Foundation; either version 2 of the License, or
25 * (at your option) any later version.
26 *
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU General Public License for more details.
31 *
32 * You should have received a copy of the GNU General Public License
33 * along with this program; if not, write to the Free Software
34 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
35 *
36 */
37
38#include <linux/module.h>
39#include <linux/sched.h>
40#include <linux/input.h>
41#include <linux/pci.h>
42#include <linux/init.h>
43#include <linux/interrupt.h>
44#include <linux/miscdevice.h>
45#include <linux/poll.h>
46#include <linux/delay.h>
47#include <linux/wait.h>
48#include <linux/acpi.h>
49#include <linux/dmi.h>
50#include <linux/err.h>
51#include <linux/kfifo.h>
52#include <linux/platform_device.h>
53#include <linux/gfp.h>
54
55#include <asm/uaccess.h>
56#include <asm/io.h>
57
58#include <linux/sonypi.h>
59
60#define SONYPI_DRIVER_VERSION "1.26"
61
62MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
63MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
64MODULE_LICENSE("GPL");
65MODULE_VERSION(SONYPI_DRIVER_VERSION);
66
67static int minor = -1;
68module_param(minor, int, 0);
69MODULE_PARM_DESC(minor,
70         "minor number of the misc device, default is -1 (automatic)");
71
72static int verbose; /* = 0 */
73module_param(verbose, int, 0644);
74MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
75
76static int fnkeyinit; /* = 0 */
77module_param(fnkeyinit, int, 0444);
78MODULE_PARM_DESC(fnkeyinit,
79         "set this if your Fn keys do not generate any event");
80
81static int camera; /* = 0 */
82module_param(camera, int, 0444);
83MODULE_PARM_DESC(camera,
84         "set this if you have a MotionEye camera (PictureBook series)");
85
86static int compat; /* = 0 */
87module_param(compat, int, 0444);
88MODULE_PARM_DESC(compat,
89         "set this if you want to enable backward compatibility mode");
90
91static unsigned long mask = 0xffffffff;
92module_param(mask, ulong, 0644);
93MODULE_PARM_DESC(mask,
94         "set this to the mask of event you want to enable (see doc)");
95
96static int useinput = 1;
97module_param(useinput, int, 0444);
98MODULE_PARM_DESC(useinput,
99         "set this if you would like sonypi to feed events to the input subsystem");
100
101static int check_ioport = 1;
102module_param(check_ioport, int, 0444);
103MODULE_PARM_DESC(check_ioport,
104         "set this to 0 if you think the automatic ioport check for sony-laptop is wrong");
105
106#define SONYPI_DEVICE_MODEL_TYPE1 1
107#define SONYPI_DEVICE_MODEL_TYPE2 2
108#define SONYPI_DEVICE_MODEL_TYPE3 3
109
110/* type1 models use those */
111#define SONYPI_IRQ_PORT 0x8034
112#define SONYPI_IRQ_SHIFT 22
113#define SONYPI_TYPE1_BASE 0x50
114#define SONYPI_G10A (SONYPI_TYPE1_BASE+0x14)
115#define SONYPI_TYPE1_REGION_SIZE 0x08
116#define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
117
118/* type2 series specifics */
119#define SONYPI_SIRQ 0x9b
120#define SONYPI_SLOB 0x9c
121#define SONYPI_SHIB 0x9d
122#define SONYPI_TYPE2_REGION_SIZE 0x20
123#define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
124
125/* type3 series specifics */
126#define SONYPI_TYPE3_BASE 0x40
127#define SONYPI_TYPE3_GID2 (SONYPI_TYPE3_BASE+0x48) /* 16 bits */
128#define SONYPI_TYPE3_MISC (SONYPI_TYPE3_BASE+0x6d) /* 8 bits */
129#define SONYPI_TYPE3_REGION_SIZE 0x20
130#define SONYPI_TYPE3_EVTYPE_OFFSET 0x12
131
132/* battery / brightness addresses */
133#define SONYPI_BAT_FLAGS 0x81
134#define SONYPI_LCD_LIGHT 0x96
135#define SONYPI_BAT1_PCTRM 0xa0
136#define SONYPI_BAT1_LEFT 0xa2
137#define SONYPI_BAT1_MAXRT 0xa4
138#define SONYPI_BAT2_PCTRM 0xa8
139#define SONYPI_BAT2_LEFT 0xaa
140#define SONYPI_BAT2_MAXRT 0xac
141#define SONYPI_BAT1_MAXTK 0xb0
142#define SONYPI_BAT1_FULL 0xb2
143#define SONYPI_BAT2_MAXTK 0xb8
144#define SONYPI_BAT2_FULL 0xba
145
146/* FAN0 information (reverse engineered from ACPI tables) */
147#define SONYPI_FAN0_STATUS 0x93
148#define SONYPI_TEMP_STATUS 0xC1
149
150/* ioports used for brightness and type2 events */
151#define SONYPI_DATA_IOPORT 0x62
152#define SONYPI_CST_IOPORT 0x66
153
154/* The set of possible ioports */
155struct sonypi_ioport_list {
156    u16 port1;
157    u16 port2;
158};
159
160static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
161    { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
162    { 0x1080, 0x1084 },
163    { 0x1090, 0x1094 },
164    { 0x10a0, 0x10a4 },
165    { 0x10b0, 0x10b4 },
166    { 0x0, 0x0 }
167};
168
169static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
170    { 0x1080, 0x1084 },
171    { 0x10a0, 0x10a4 },
172    { 0x10c0, 0x10c4 },
173    { 0x10e0, 0x10e4 },
174    { 0x0, 0x0 }
175};
176
177/* same as in type 2 models */
178static struct sonypi_ioport_list *sonypi_type3_ioport_list =
179    sonypi_type2_ioport_list;
180
181/* The set of possible interrupts */
182struct sonypi_irq_list {
183    u16 irq;
184    u16 bits;
185};
186
187static struct sonypi_irq_list sonypi_type1_irq_list[] = {
188    { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
189    { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
190    { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
191    { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
192};
193
194static struct sonypi_irq_list sonypi_type2_irq_list[] = {
195    { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
196    { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
197    { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
198    { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
199    { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
200};
201
202/* same as in type2 models */
203static struct sonypi_irq_list *sonypi_type3_irq_list = sonypi_type2_irq_list;
204
205#define SONYPI_CAMERA_BRIGHTNESS 0
206#define SONYPI_CAMERA_CONTRAST 1
207#define SONYPI_CAMERA_HUE 2
208#define SONYPI_CAMERA_COLOR 3
209#define SONYPI_CAMERA_SHARPNESS 4
210
211#define SONYPI_CAMERA_PICTURE 5
212#define SONYPI_CAMERA_EXPOSURE_MASK 0xC
213#define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
214#define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
215#define SONYPI_CAMERA_MUTE_MASK 0x40
216
217/* the rest don't need a loop until not 0xff */
218#define SONYPI_CAMERA_AGC 6
219#define SONYPI_CAMERA_AGC_MASK 0x30
220#define SONYPI_CAMERA_SHUTTER_MASK 0x7
221
222#define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
223#define SONYPI_CAMERA_CONTROL 0x10
224
225#define SONYPI_CAMERA_STATUS 7
226#define SONYPI_CAMERA_STATUS_READY 0x2
227#define SONYPI_CAMERA_STATUS_POSITION 0x4
228
229#define SONYPI_DIRECTION_BACKWARDS 0x4
230
231#define SONYPI_CAMERA_REVISION 8
232#define SONYPI_CAMERA_ROMVERSION 9
233
234/* Event masks */
235#define SONYPI_JOGGER_MASK 0x00000001
236#define SONYPI_CAPTURE_MASK 0x00000002
237#define SONYPI_FNKEY_MASK 0x00000004
238#define SONYPI_BLUETOOTH_MASK 0x00000008
239#define SONYPI_PKEY_MASK 0x00000010
240#define SONYPI_BACK_MASK 0x00000020
241#define SONYPI_HELP_MASK 0x00000040
242#define SONYPI_LID_MASK 0x00000080
243#define SONYPI_ZOOM_MASK 0x00000100
244#define SONYPI_THUMBPHRASE_MASK 0x00000200
245#define SONYPI_MEYE_MASK 0x00000400
246#define SONYPI_MEMORYSTICK_MASK 0x00000800
247#define SONYPI_BATTERY_MASK 0x00001000
248#define SONYPI_WIRELESS_MASK 0x00002000
249
250struct sonypi_event {
251    u8 data;
252    u8 event;
253};
254
255/* The set of possible button release events */
256static struct sonypi_event sonypi_releaseev[] = {
257    { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
258    { 0, 0 }
259};
260
261/* The set of possible jogger events */
262static struct sonypi_event sonypi_joggerev[] = {
263    { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
264    { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
265    { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
266    { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
267    { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
268    { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
269    { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
270    { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
271    { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
272    { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
273    { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
274    { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
275    { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
276    { 0, 0 }
277};
278
279/* The set of possible capture button events */
280static struct sonypi_event sonypi_captureev[] = {
281    { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
282    { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
283    { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
284    { 0, 0 }
285};
286
287/* The set of possible fnkeys events */
288static struct sonypi_event sonypi_fnkeyev[] = {
289    { 0x10, SONYPI_EVENT_FNKEY_ESC },
290    { 0x11, SONYPI_EVENT_FNKEY_F1 },
291    { 0x12, SONYPI_EVENT_FNKEY_F2 },
292    { 0x13, SONYPI_EVENT_FNKEY_F3 },
293    { 0x14, SONYPI_EVENT_FNKEY_F4 },
294    { 0x15, SONYPI_EVENT_FNKEY_F5 },
295    { 0x16, SONYPI_EVENT_FNKEY_F6 },
296    { 0x17, SONYPI_EVENT_FNKEY_F7 },
297    { 0x18, SONYPI_EVENT_FNKEY_F8 },
298    { 0x19, SONYPI_EVENT_FNKEY_F9 },
299    { 0x1a, SONYPI_EVENT_FNKEY_F10 },
300    { 0x1b, SONYPI_EVENT_FNKEY_F11 },
301    { 0x1c, SONYPI_EVENT_FNKEY_F12 },
302    { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
303    { 0x21, SONYPI_EVENT_FNKEY_1 },
304    { 0x22, SONYPI_EVENT_FNKEY_2 },
305    { 0x31, SONYPI_EVENT_FNKEY_D },
306    { 0x32, SONYPI_EVENT_FNKEY_E },
307    { 0x33, SONYPI_EVENT_FNKEY_F },
308    { 0x34, SONYPI_EVENT_FNKEY_S },
309    { 0x35, SONYPI_EVENT_FNKEY_B },
310    { 0x36, SONYPI_EVENT_FNKEY_ONLY },
311    { 0, 0 }
312};
313
314/* The set of possible program key events */
315static struct sonypi_event sonypi_pkeyev[] = {
316    { 0x01, SONYPI_EVENT_PKEY_P1 },
317    { 0x02, SONYPI_EVENT_PKEY_P2 },
318    { 0x04, SONYPI_EVENT_PKEY_P3 },
319    { 0x5c, SONYPI_EVENT_PKEY_P1 },
320    { 0, 0 }
321};
322
323/* The set of possible bluetooth events */
324static struct sonypi_event sonypi_blueev[] = {
325    { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
326    { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
327    { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
328    { 0, 0 }
329};
330
331/* The set of possible wireless events */
332static struct sonypi_event sonypi_wlessev[] = {
333    { 0x59, SONYPI_EVENT_WIRELESS_ON },
334    { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
335    { 0, 0 }
336};
337
338/* The set of possible back button events */
339static struct sonypi_event sonypi_backev[] = {
340    { 0x20, SONYPI_EVENT_BACK_PRESSED },
341    { 0, 0 }
342};
343
344/* The set of possible help button events */
345static struct sonypi_event sonypi_helpev[] = {
346    { 0x3b, SONYPI_EVENT_HELP_PRESSED },
347    { 0, 0 }
348};
349
350
351/* The set of possible lid events */
352static struct sonypi_event sonypi_lidev[] = {
353    { 0x51, SONYPI_EVENT_LID_CLOSED },
354    { 0x50, SONYPI_EVENT_LID_OPENED },
355    { 0, 0 }
356};
357
358/* The set of possible zoom events */
359static struct sonypi_event sonypi_zoomev[] = {
360    { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
361    { 0, 0 }
362};
363
364/* The set of possible thumbphrase events */
365static struct sonypi_event sonypi_thumbphraseev[] = {
366    { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
367    { 0, 0 }
368};
369
370/* The set of possible motioneye camera events */
371static struct sonypi_event sonypi_meyeev[] = {
372    { 0x00, SONYPI_EVENT_MEYE_FACE },
373    { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
374    { 0, 0 }
375};
376
377/* The set of possible memorystick events */
378static struct sonypi_event sonypi_memorystickev[] = {
379    { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
380    { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
381    { 0, 0 }
382};
383
384/* The set of possible battery events */
385static struct sonypi_event sonypi_batteryev[] = {
386    { 0x20, SONYPI_EVENT_BATTERY_INSERT },
387    { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
388    { 0, 0 }
389};
390
391static struct sonypi_eventtypes {
392    int model;
393    u8 data;
394    unsigned long mask;
395    struct sonypi_event * events;
396} sonypi_eventtypes[] = {
397    { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
398    { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
399    { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
400    { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
401    { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
402    { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
403    { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
404    { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
405    { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
406    { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
407
408    { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
409    { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
410    { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
411    { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
412    { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
413    { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
414    { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
415    { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
416    { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
417    { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
418    { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
419    { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
420    { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
421    { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
422
423    { SONYPI_DEVICE_MODEL_TYPE3, 0, 0xffffffff, sonypi_releaseev },
424    { SONYPI_DEVICE_MODEL_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
425    { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
426    { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
427    { SONYPI_DEVICE_MODEL_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
428    { SONYPI_DEVICE_MODEL_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
429    { 0 }
430};
431
432#define SONYPI_BUF_SIZE 128
433
434/* Correspondance table between sonypi events and input layer events */
435static struct {
436    int sonypiev;
437    int inputev;
438} sonypi_inputkeys[] = {
439    { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
440    { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
441    { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
442    { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
443    { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
444    { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
445    { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
446    { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
447    { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
448    { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
449    { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
450    { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
451    { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
452    { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
453    { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
454    { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
455    { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
456    { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
457    { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
458    { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
459    { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
460    { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
461    { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
462    { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
463    { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
464    { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
465    { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
466    { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
467    { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
468    { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
469    { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
470    { 0, 0 },
471};
472
473struct sonypi_keypress {
474    struct input_dev *dev;
475    int key;
476};
477
478static struct sonypi_device {
479    struct pci_dev *dev;
480    u16 irq;
481    u16 bits;
482    u16 ioport1;
483    u16 ioport2;
484    u16 region_size;
485    u16 evtype_offset;
486    int camera_power;
487    int bluetooth_power;
488    struct mutex lock;
489    struct kfifo fifo;
490    spinlock_t fifo_lock;
491    wait_queue_head_t fifo_proc_list;
492    struct fasync_struct *fifo_async;
493    int open_count;
494    int model;
495    struct input_dev *input_jog_dev;
496    struct input_dev *input_key_dev;
497    struct work_struct input_work;
498    struct kfifo input_fifo;
499    spinlock_t input_fifo_lock;
500} sonypi_device;
501
502#define ITERATIONS_LONG 10000
503#define ITERATIONS_SHORT 10
504
505#define wait_on_command(quiet, command, iterations) { \
506    unsigned int n = iterations; \
507    while (--n && (command)) \
508        udelay(1); \
509    if (!n && (verbose || !quiet)) \
510        printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __func__, __LINE__); \
511}
512
513#ifdef CONFIG_ACPI
514#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
515#else
516#define SONYPI_ACPI_ACTIVE 0
517#endif /* CONFIG_ACPI */
518
519#ifdef CONFIG_ACPI
520static struct acpi_device *sonypi_acpi_device;
521static int acpi_driver_registered;
522#endif
523
524static int sonypi_ec_write(u8 addr, u8 value)
525{
526#ifdef CONFIG_ACPI
527    if (SONYPI_ACPI_ACTIVE)
528        return ec_write(addr, value);
529#endif
530    wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
531    outb_p(0x81, SONYPI_CST_IOPORT);
532    wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
533    outb_p(addr, SONYPI_DATA_IOPORT);
534    wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
535    outb_p(value, SONYPI_DATA_IOPORT);
536    wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
537    return 0;
538}
539
540static int sonypi_ec_read(u8 addr, u8 *value)
541{
542#ifdef CONFIG_ACPI
543    if (SONYPI_ACPI_ACTIVE)
544        return ec_read(addr, value);
545#endif
546    wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
547    outb_p(0x80, SONYPI_CST_IOPORT);
548    wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
549    outb_p(addr, SONYPI_DATA_IOPORT);
550    wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
551    *value = inb_p(SONYPI_DATA_IOPORT);
552    return 0;
553}
554
555static int ec_read16(u8 addr, u16 *value)
556{
557    u8 val_lb, val_hb;
558    if (sonypi_ec_read(addr, &val_lb))
559        return -1;
560    if (sonypi_ec_read(addr + 1, &val_hb))
561        return -1;
562    *value = val_lb | (val_hb << 8);
563    return 0;
564}
565
566/* Initializes the device - this comes from the AML code in the ACPI bios */
567static void sonypi_type1_srs(void)
568{
569    u32 v;
570
571    pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
572    v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
573    pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
574
575    pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
576    v = (v & 0xFFF0FFFF) |
577        (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
578    pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
579
580    v = inl(SONYPI_IRQ_PORT);
581    v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
582    v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
583    outl(v, SONYPI_IRQ_PORT);
584
585    pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
586    v = (v & 0xFF1FFFFF) | 0x00C00000;
587    pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
588}
589
590static void sonypi_type2_srs(void)
591{
592    if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
593        printk(KERN_WARNING "ec_write failed\n");
594    if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
595        printk(KERN_WARNING "ec_write failed\n");
596    if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
597        printk(KERN_WARNING "ec_write failed\n");
598    udelay(10);
599}
600
601static void sonypi_type3_srs(void)
602{
603    u16 v16;
604    u8 v8;
605
606    /* This model type uses the same initialiazation of
607     * the embedded controller as the type2 models. */
608    sonypi_type2_srs();
609
610    /* Initialization of PCI config space of the LPC interface bridge. */
611    v16 = (sonypi_device.ioport1 & 0xFFF0) | 0x01;
612    pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, v16);
613    pci_read_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, &v8);
614    v8 = (v8 & 0xCF) | 0x10;
615    pci_write_config_byte(sonypi_device.dev, SONYPI_TYPE3_MISC, v8);
616}
617
618/* Disables the device - this comes from the AML code in the ACPI bios */
619static void sonypi_type1_dis(void)
620{
621    u32 v;
622
623    pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
624    v = v & 0xFF3FFFFF;
625    pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
626
627    v = inl(SONYPI_IRQ_PORT);
628    v |= (0x3 << SONYPI_IRQ_SHIFT);
629    outl(v, SONYPI_IRQ_PORT);
630}
631
632static void sonypi_type2_dis(void)
633{
634    if (sonypi_ec_write(SONYPI_SHIB, 0))
635        printk(KERN_WARNING "ec_write failed\n");
636    if (sonypi_ec_write(SONYPI_SLOB, 0))
637        printk(KERN_WARNING "ec_write failed\n");
638    if (sonypi_ec_write(SONYPI_SIRQ, 0))
639        printk(KERN_WARNING "ec_write failed\n");
640}
641
642static void sonypi_type3_dis(void)
643{
644    sonypi_type2_dis();
645    udelay(10);
646    pci_write_config_word(sonypi_device.dev, SONYPI_TYPE3_GID2, 0);
647}
648
649static u8 sonypi_call1(u8 dev)
650{
651    u8 v1, v2;
652
653    wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
654    outb(dev, sonypi_device.ioport2);
655    v1 = inb_p(sonypi_device.ioport2);
656    v2 = inb_p(sonypi_device.ioport1);
657    return v2;
658}
659
660static u8 sonypi_call2(u8 dev, u8 fn)
661{
662    u8 v1;
663
664    wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
665    outb(dev, sonypi_device.ioport2);
666    wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
667    outb(fn, sonypi_device.ioport1);
668    v1 = inb_p(sonypi_device.ioport1);
669    return v1;
670}
671
672static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
673{
674    u8 v1;
675
676    wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
677    outb(dev, sonypi_device.ioport2);
678    wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
679    outb(fn, sonypi_device.ioport1);
680    wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
681    outb(v, sonypi_device.ioport1);
682    v1 = inb_p(sonypi_device.ioport1);
683    return v1;
684}
685
686#if 0
687/* Get brightness, hue etc. Unreliable... */
688static u8 sonypi_read(u8 fn)
689{
690    u8 v1, v2;
691    int n = 100;
692
693    while (n--) {
694        v1 = sonypi_call2(0x8f, fn);
695        v2 = sonypi_call2(0x8f, fn);
696        if (v1 == v2 && v1 != 0xff)
697            return v1;
698    }
699    return 0xff;
700}
701#endif
702
703/* Set brightness, hue etc */
704static void sonypi_set(u8 fn, u8 v)
705{
706    wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
707}
708
709/* Tests if the camera is ready */
710static int sonypi_camera_ready(void)
711{
712    u8 v;
713
714    v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
715    return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
716}
717
718/* Turns the camera off */
719static void sonypi_camera_off(void)
720{
721    sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
722
723    if (!sonypi_device.camera_power)
724        return;
725
726    sonypi_call2(0x91, 0);
727    sonypi_device.camera_power = 0;
728}
729
730/* Turns the camera on */
731static void sonypi_camera_on(void)
732{
733    int i, j;
734
735    if (sonypi_device.camera_power)
736        return;
737
738    for (j = 5; j > 0; j--) {
739
740        while (sonypi_call2(0x91, 0x1))
741            msleep(10);
742        sonypi_call1(0x93);
743
744        for (i = 400; i > 0; i--) {
745            if (sonypi_camera_ready())
746                break;
747            msleep(10);
748        }
749        if (i)
750            break;
751    }
752
753    if (j == 0) {
754        printk(KERN_WARNING "sonypi: failed to power on camera\n");
755        return;
756    }
757
758    sonypi_set(0x10, 0x5a);
759    sonypi_device.camera_power = 1;
760}
761
762/* sets the bluetooth subsystem power state */
763static void sonypi_setbluetoothpower(u8 state)
764{
765    state = !!state;
766
767    if (sonypi_device.bluetooth_power == state)
768        return;
769
770    sonypi_call2(0x96, state);
771    sonypi_call1(0x82);
772    sonypi_device.bluetooth_power = state;
773}
774
775static void input_keyrelease(struct work_struct *work)
776{
777    struct sonypi_keypress kp;
778
779    while (kfifo_out_locked(&sonypi_device.input_fifo, (unsigned char *)&kp,
780             sizeof(kp), &sonypi_device.input_fifo_lock)
781            == sizeof(kp)) {
782        msleep(10);
783        input_report_key(kp.dev, kp.key, 0);
784        input_sync(kp.dev);
785    }
786}
787
788static void sonypi_report_input_event(u8 event)
789{
790    struct input_dev *jog_dev = sonypi_device.input_jog_dev;
791    struct input_dev *key_dev = sonypi_device.input_key_dev;
792    struct sonypi_keypress kp = { NULL };
793    int i;
794
795    switch (event) {
796    case SONYPI_EVENT_JOGDIAL_UP:
797    case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
798        input_report_rel(jog_dev, REL_WHEEL, 1);
799        input_sync(jog_dev);
800        break;
801
802    case SONYPI_EVENT_JOGDIAL_DOWN:
803    case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
804        input_report_rel(jog_dev, REL_WHEEL, -1);
805        input_sync(jog_dev);
806        break;
807
808    case SONYPI_EVENT_JOGDIAL_PRESSED:
809        kp.key = BTN_MIDDLE;
810        kp.dev = jog_dev;
811        break;
812
813    case SONYPI_EVENT_FNKEY_RELEASED:
814        /* Nothing, not all VAIOs generate this event */
815        break;
816
817    default:
818        for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
819            if (event == sonypi_inputkeys[i].sonypiev) {
820                kp.dev = key_dev;
821                kp.key = sonypi_inputkeys[i].inputev;
822                break;
823            }
824        break;
825    }
826
827    if (kp.dev) {
828        input_report_key(kp.dev, kp.key, 1);
829        input_sync(kp.dev);
830        kfifo_in_locked(&sonypi_device.input_fifo,
831            (unsigned char *)&kp, sizeof(kp),
832            &sonypi_device.input_fifo_lock);
833        schedule_work(&sonypi_device.input_work);
834    }
835}
836
837/* Interrupt handler: some event is available */
838static irqreturn_t sonypi_irq(int irq, void *dev_id)
839{
840    u8 v1, v2, event = 0;
841    int i, j;
842
843    v1 = inb_p(sonypi_device.ioport1);
844    v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
845
846    for (i = 0; sonypi_eventtypes[i].model; i++) {
847        if (sonypi_device.model != sonypi_eventtypes[i].model)
848            continue;
849        if ((v2 & sonypi_eventtypes[i].data) !=
850            sonypi_eventtypes[i].data)
851            continue;
852        if (!(mask & sonypi_eventtypes[i].mask))
853            continue;
854        for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
855            if (v1 == sonypi_eventtypes[i].events[j].data) {
856                event = sonypi_eventtypes[i].events[j].event;
857                goto found;
858            }
859        }
860    }
861
862    if (verbose)
863        printk(KERN_WARNING
864               "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
865               v1, v2);
866    /* We need to return IRQ_HANDLED here because there *are*
867     * events belonging to the sonypi device we don't know about,
868     * but we still don't want those to pollute the logs... */
869    return IRQ_HANDLED;
870
871found:
872    if (verbose > 1)
873        printk(KERN_INFO
874               "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
875
876    if (useinput)
877        sonypi_report_input_event(event);
878
879#ifdef CONFIG_ACPI
880    if (sonypi_acpi_device)
881        acpi_bus_generate_proc_event(sonypi_acpi_device, 1, event);
882#endif
883
884    kfifo_in_locked(&sonypi_device.fifo, (unsigned char *)&event,
885            sizeof(event), &sonypi_device.fifo_lock);
886    kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
887    wake_up_interruptible(&sonypi_device.fifo_proc_list);
888
889    return IRQ_HANDLED;
890}
891
892static int sonypi_misc_fasync(int fd, struct file *filp, int on)
893{
894    return fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
895}
896
897static int sonypi_misc_release(struct inode *inode, struct file *file)
898{
899    mutex_lock(&sonypi_device.lock);
900    sonypi_device.open_count--;
901    mutex_unlock(&sonypi_device.lock);
902    return 0;
903}
904
905static int sonypi_misc_open(struct inode *inode, struct file *file)
906{
907    mutex_lock(&sonypi_device.lock);
908    /* Flush input queue on first open */
909    if (!sonypi_device.open_count)
910        kfifo_reset(&sonypi_device.fifo);
911    sonypi_device.open_count++;
912    mutex_unlock(&sonypi_device.lock);
913
914    return 0;
915}
916
917static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
918                size_t count, loff_t *pos)
919{
920    ssize_t ret;
921    unsigned char c;
922
923    if ((kfifo_len(&sonypi_device.fifo) == 0) &&
924        (file->f_flags & O_NONBLOCK))
925        return -EAGAIN;
926
927    ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
928                       kfifo_len(&sonypi_device.fifo) != 0);
929    if (ret)
930        return ret;
931
932    while (ret < count &&
933           (kfifo_out_locked(&sonypi_device.fifo, &c, sizeof(c),
934                 &sonypi_device.fifo_lock) == sizeof(c))) {
935        if (put_user(c, buf++))
936            return -EFAULT;
937        ret++;
938    }
939
940    if (ret > 0) {
941        struct inode *inode = file_inode(file);
942        inode->i_atime = current_fs_time(inode->i_sb);
943    }
944
945    return ret;
946}
947
948static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
949{
950    poll_wait(file, &sonypi_device.fifo_proc_list, wait);
951    if (kfifo_len(&sonypi_device.fifo))
952        return POLLIN | POLLRDNORM;
953    return 0;
954}
955
956static long sonypi_misc_ioctl(struct file *fp,
957                 unsigned int cmd, unsigned long arg)
958{
959    long ret = 0;
960    void __user *argp = (void __user *)arg;
961    u8 val8;
962    u16 val16;
963
964    mutex_lock(&sonypi_device.lock);
965    switch (cmd) {
966    case SONYPI_IOCGBRT:
967        if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
968            ret = -EIO;
969            break;
970        }
971        if (copy_to_user(argp, &val8, sizeof(val8)))
972            ret = -EFAULT;
973        break;
974    case SONYPI_IOCSBRT:
975        if (copy_from_user(&val8, argp, sizeof(val8))) {
976            ret = -EFAULT;
977            break;
978        }
979        if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
980            ret = -EIO;
981        break;
982    case SONYPI_IOCGBAT1CAP:
983        if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
984            ret = -EIO;
985            break;
986        }
987        if (copy_to_user(argp, &val16, sizeof(val16)))
988            ret = -EFAULT;
989        break;
990    case SONYPI_IOCGBAT1REM:
991        if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
992            ret = -EIO;
993            break;
994        }
995        if (copy_to_user(argp, &val16, sizeof(val16)))
996            ret = -EFAULT;
997        break;
998    case SONYPI_IOCGBAT2CAP:
999        if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1000            ret = -EIO;
1001            break;
1002        }
1003        if (copy_to_user(argp, &val16, sizeof(val16)))
1004            ret = -EFAULT;
1005        break;
1006    case SONYPI_IOCGBAT2REM:
1007        if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1008            ret = -EIO;
1009            break;
1010        }
1011        if (copy_to_user(argp, &val16, sizeof(val16)))
1012            ret = -EFAULT;
1013        break;
1014    case SONYPI_IOCGBATFLAGS:
1015        if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
1016            ret = -EIO;
1017            break;
1018        }
1019        val8 &= 0x07;
1020        if (copy_to_user(argp, &val8, sizeof(val8)))
1021            ret = -EFAULT;
1022        break;
1023    case SONYPI_IOCGBLUE:
1024        val8 = sonypi_device.bluetooth_power;
1025        if (copy_to_user(argp, &val8, sizeof(val8)))
1026            ret = -EFAULT;
1027        break;
1028    case SONYPI_IOCSBLUE:
1029        if (copy_from_user(&val8, argp, sizeof(val8))) {
1030            ret = -EFAULT;
1031            break;
1032        }
1033        sonypi_setbluetoothpower(val8);
1034        break;
1035    /* FAN Controls */
1036    case SONYPI_IOCGFAN:
1037        if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1038            ret = -EIO;
1039            break;
1040        }
1041        if (copy_to_user(argp, &val8, sizeof(val8)))
1042            ret = -EFAULT;
1043        break;
1044    case SONYPI_IOCSFAN:
1045        if (copy_from_user(&val8, argp, sizeof(val8))) {
1046            ret = -EFAULT;
1047            break;
1048        }
1049        if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1050            ret = -EIO;
1051        break;
1052    /* GET Temperature (useful under APM) */
1053    case SONYPI_IOCGTEMP:
1054        if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1055            ret = -EIO;
1056            break;
1057        }
1058        if (copy_to_user(argp, &val8, sizeof(val8)))
1059            ret = -EFAULT;
1060        break;
1061    default:
1062        ret = -EINVAL;
1063    }
1064    mutex_unlock(&sonypi_device.lock);
1065    return ret;
1066}
1067
1068static const struct file_operations sonypi_misc_fops = {
1069    .owner = THIS_MODULE,
1070    .read = sonypi_misc_read,
1071    .poll = sonypi_misc_poll,
1072    .open = sonypi_misc_open,
1073    .release = sonypi_misc_release,
1074    .fasync = sonypi_misc_fasync,
1075    .unlocked_ioctl = sonypi_misc_ioctl,
1076    .llseek = no_llseek,
1077};
1078
1079static struct miscdevice sonypi_misc_device = {
1080    .minor = MISC_DYNAMIC_MINOR,
1081    .name = "sonypi",
1082    .fops = &sonypi_misc_fops,
1083};
1084
1085static void sonypi_enable(unsigned int camera_on)
1086{
1087    switch (sonypi_device.model) {
1088    case SONYPI_DEVICE_MODEL_TYPE1:
1089        sonypi_type1_srs();
1090        break;
1091    case SONYPI_DEVICE_MODEL_TYPE2:
1092        sonypi_type2_srs();
1093        break;
1094    case SONYPI_DEVICE_MODEL_TYPE3:
1095        sonypi_type3_srs();
1096        break;
1097    }
1098
1099    sonypi_call1(0x82);
1100    sonypi_call2(0x81, 0xff);
1101    sonypi_call1(compat ? 0x92 : 0x82);
1102
1103    /* Enable ACPI mode to get Fn key events */
1104    if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1105        outb(0xf0, 0xb2);
1106
1107    if (camera && camera_on)
1108        sonypi_camera_on();
1109}
1110
1111static int sonypi_disable(void)
1112{
1113    sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1114    if (camera)
1115        sonypi_camera_off();
1116
1117    /* disable ACPI mode */
1118    if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1119        outb(0xf1, 0xb2);
1120
1121    switch (sonypi_device.model) {
1122    case SONYPI_DEVICE_MODEL_TYPE1:
1123        sonypi_type1_dis();
1124        break;
1125    case SONYPI_DEVICE_MODEL_TYPE2:
1126        sonypi_type2_dis();
1127        break;
1128    case SONYPI_DEVICE_MODEL_TYPE3:
1129        sonypi_type3_dis();
1130        break;
1131    }
1132
1133    return 0;
1134}
1135
1136#ifdef CONFIG_ACPI
1137static int sonypi_acpi_add(struct acpi_device *device)
1138{
1139    sonypi_acpi_device = device;
1140    strcpy(acpi_device_name(device), "Sony laptop hotkeys");
1141    strcpy(acpi_device_class(device), "sony/hotkey");
1142    return 0;
1143}
1144
1145static int sonypi_acpi_remove(struct acpi_device *device)
1146{
1147    sonypi_acpi_device = NULL;
1148    return 0;
1149}
1150
1151static const struct acpi_device_id sonypi_device_ids[] = {
1152    {"SNY6001", 0},
1153    {"", 0},
1154};
1155
1156static struct acpi_driver sonypi_acpi_driver = {
1157    .name = "sonypi",
1158    .class = "hkey",
1159    .ids = sonypi_device_ids,
1160    .ops = {
1161                   .add = sonypi_acpi_add,
1162               .remove = sonypi_acpi_remove,
1163    },
1164};
1165#endif
1166
1167static int sonypi_create_input_devices(struct platform_device *pdev)
1168{
1169    struct input_dev *jog_dev;
1170    struct input_dev *key_dev;
1171    int i;
1172    int error;
1173
1174    sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
1175    if (!jog_dev)
1176        return -ENOMEM;
1177
1178    jog_dev->name = "Sony Vaio Jogdial";
1179    jog_dev->id.bustype = BUS_ISA;
1180    jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
1181    jog_dev->dev.parent = &pdev->dev;
1182
1183    jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
1184    jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
1185    jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
1186
1187    sonypi_device.input_key_dev = key_dev = input_allocate_device();
1188    if (!key_dev) {
1189        error = -ENOMEM;
1190        goto err_free_jogdev;
1191    }
1192
1193    key_dev->name = "Sony Vaio Keys";
1194    key_dev->id.bustype = BUS_ISA;
1195    key_dev->id.vendor = PCI_VENDOR_ID_SONY;
1196    key_dev->dev.parent = &pdev->dev;
1197
1198    /* Initialize the Input Drivers: special keys */
1199    key_dev->evbit[0] = BIT_MASK(EV_KEY);
1200    for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1201        if (sonypi_inputkeys[i].inputev)
1202            set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);
1203
1204    error = input_register_device(jog_dev);
1205    if (error)
1206        goto err_free_keydev;
1207
1208    error = input_register_device(key_dev);
1209    if (error)
1210        goto err_unregister_jogdev;
1211
1212    return 0;
1213
1214 err_unregister_jogdev:
1215    input_unregister_device(jog_dev);
1216    /* Set to NULL so we don't free it again below */
1217    jog_dev = NULL;
1218 err_free_keydev:
1219    input_free_device(key_dev);
1220    sonypi_device.input_key_dev = NULL;
1221 err_free_jogdev:
1222    input_free_device(jog_dev);
1223    sonypi_device.input_jog_dev = NULL;
1224
1225    return error;
1226}
1227
1228static int sonypi_setup_ioports(struct sonypi_device *dev,
1229                const struct sonypi_ioport_list *ioport_list)
1230{
1231    /* try to detect if sony-laptop is being used and thus
1232     * has already requested one of the known ioports.
1233     * As in the deprecated check_region this is racy has we have
1234     * multiple ioports available and one of them can be requested
1235     * between this check and the subsequent request. Anyway, as an
1236     * attempt to be some more user-friendly as we currently are,
1237     * this is enough.
1238     */
1239    const struct sonypi_ioport_list *check = ioport_list;
1240    while (check_ioport && check->port1) {
1241        if (!request_region(check->port1,
1242                   sonypi_device.region_size,
1243                   "Sony Programmable I/O Device Check")) {
1244            printk(KERN_ERR "sonypi: ioport 0x%.4x busy, using sony-laptop? "
1245                    "if not use check_ioport=0\n",
1246                    check->port1);
1247            return -EBUSY;
1248        }
1249        release_region(check->port1, sonypi_device.region_size);
1250        check++;
1251    }
1252
1253    while (ioport_list->port1) {
1254
1255        if (request_region(ioport_list->port1,
1256                   sonypi_device.region_size,
1257                   "Sony Programmable I/O Device")) {
1258            dev->ioport1 = ioport_list->port1;
1259            dev->ioport2 = ioport_list->port2;
1260            return 0;
1261        }
1262        ioport_list++;
1263    }
1264
1265    return -EBUSY;
1266}
1267
1268static int sonypi_setup_irq(struct sonypi_device *dev,
1269                      const struct sonypi_irq_list *irq_list)
1270{
1271    while (irq_list->irq) {
1272
1273        if (!request_irq(irq_list->irq, sonypi_irq,
1274                 IRQF_SHARED, "sonypi", sonypi_irq)) {
1275            dev->irq = irq_list->irq;
1276            dev->bits = irq_list->bits;
1277            return 0;
1278        }
1279        irq_list++;
1280    }
1281
1282    return -EBUSY;
1283}
1284
1285static void sonypi_display_info(void)
1286{
1287    printk(KERN_INFO "sonypi: detected type%d model, "
1288           "verbose = %d, fnkeyinit = %s, camera = %s, "
1289           "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1290           sonypi_device.model,
1291           verbose,
1292           fnkeyinit ? "on" : "off",
1293           camera ? "on" : "off",
1294           compat ? "on" : "off",
1295           mask,
1296           useinput ? "on" : "off",
1297           SONYPI_ACPI_ACTIVE ? "on" : "off");
1298    printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1299           sonypi_device.irq,
1300           sonypi_device.ioport1, sonypi_device.ioport2);
1301
1302    if (minor == -1)
1303        printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1304               sonypi_misc_device.minor);
1305}
1306
1307static int sonypi_probe(struct platform_device *dev)
1308{
1309    const struct sonypi_ioport_list *ioport_list;
1310    const struct sonypi_irq_list *irq_list;
1311    struct pci_dev *pcidev;
1312    int error;
1313
1314    printk(KERN_WARNING "sonypi: please try the sony-laptop module instead "
1315            "and report failures, see also "
1316            "http://www.linux.it/~malattia/wiki/index.php/Sony_drivers\n");
1317
1318    spin_lock_init(&sonypi_device.fifo_lock);
1319    error = kfifo_alloc(&sonypi_device.fifo, SONYPI_BUF_SIZE, GFP_KERNEL);
1320    if (error) {
1321        printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1322        return error;
1323    }
1324
1325    init_waitqueue_head(&sonypi_device.fifo_proc_list);
1326    mutex_init(&sonypi_device.lock);
1327    sonypi_device.bluetooth_power = -1;
1328
1329    if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1330                     PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1331        sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
1332    else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1333                      PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1334        sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1335    else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1336                      PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1337        sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
1338    else
1339        sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
1340
1341    if (pcidev && pci_enable_device(pcidev)) {
1342        printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1343        error = -EIO;
1344        goto err_put_pcidev;
1345    }
1346
1347    sonypi_device.dev = pcidev;
1348
1349    if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
1350        ioport_list = sonypi_type1_ioport_list;
1351        sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1352        sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1353        irq_list = sonypi_type1_irq_list;
1354    } else if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1355        ioport_list = sonypi_type2_ioport_list;
1356        sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1357        sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1358        irq_list = sonypi_type2_irq_list;
1359    } else {
1360        ioport_list = sonypi_type3_ioport_list;
1361        sonypi_device.region_size = SONYPI_TYPE3_REGION_SIZE;
1362        sonypi_device.evtype_offset = SONYPI_TYPE3_EVTYPE_OFFSET;
1363        irq_list = sonypi_type3_irq_list;
1364    }
1365
1366    error = sonypi_setup_ioports(&sonypi_device, ioport_list);
1367    if (error) {
1368        printk(KERN_ERR "sonypi: failed to request ioports\n");
1369        goto err_disable_pcidev;
1370    }
1371
1372    error = sonypi_setup_irq(&sonypi_device, irq_list);
1373    if (error) {
1374        printk(KERN_ERR "sonypi: request_irq failed\n");
1375        goto err_free_ioports;
1376    }
1377
1378    if (minor != -1)
1379        sonypi_misc_device.minor = minor;
1380    error = misc_register(&sonypi_misc_device);
1381    if (error) {
1382        printk(KERN_ERR "sonypi: misc_register failed\n");
1383        goto err_free_irq;
1384    }
1385
1386    sonypi_display_info();
1387
1388    if (useinput) {
1389
1390        error = sonypi_create_input_devices(dev);
1391        if (error) {
1392            printk(KERN_ERR
1393                "sonypi: failed to create input devices\n");
1394            goto err_miscdev_unregister;
1395        }
1396
1397        spin_lock_init(&sonypi_device.input_fifo_lock);
1398        error = kfifo_alloc(&sonypi_device.input_fifo, SONYPI_BUF_SIZE,
1399                GFP_KERNEL);
1400        if (error) {
1401            printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1402            goto err_inpdev_unregister;
1403        }
1404
1405        INIT_WORK(&sonypi_device.input_work, input_keyrelease);
1406    }
1407
1408    sonypi_enable(0);
1409
1410    return 0;
1411
1412 err_inpdev_unregister:
1413    input_unregister_device(sonypi_device.input_key_dev);
1414    input_unregister_device(sonypi_device.input_jog_dev);
1415 err_miscdev_unregister:
1416    misc_deregister(&sonypi_misc_device);
1417 err_free_irq:
1418    free_irq(sonypi_device.irq, sonypi_irq);
1419 err_free_ioports:
1420    release_region(sonypi_device.ioport1, sonypi_device.region_size);
1421 err_disable_pcidev:
1422    if (pcidev)
1423        pci_disable_device(pcidev);
1424 err_put_pcidev:
1425    pci_dev_put(pcidev);
1426    kfifo_free(&sonypi_device.fifo);
1427
1428    return error;
1429}
1430
1431static int sonypi_remove(struct platform_device *dev)
1432{
1433    sonypi_disable();
1434
1435    synchronize_irq(sonypi_device.irq);
1436    flush_work(&sonypi_device.input_work);
1437
1438    if (useinput) {
1439        input_unregister_device(sonypi_device.input_key_dev);
1440        input_unregister_device(sonypi_device.input_jog_dev);
1441        kfifo_free(&sonypi_device.input_fifo);
1442    }
1443
1444    misc_deregister(&sonypi_misc_device);
1445
1446    free_irq(sonypi_device.irq, sonypi_irq);
1447    release_region(sonypi_device.ioport1, sonypi_device.region_size);
1448
1449    if (sonypi_device.dev) {
1450        pci_disable_device(sonypi_device.dev);
1451        pci_dev_put(sonypi_device.dev);
1452    }
1453
1454    kfifo_free(&sonypi_device.fifo);
1455
1456    return 0;
1457}
1458
1459#ifdef CONFIG_PM_SLEEP
1460static int old_camera_power;
1461
1462static int sonypi_suspend(struct device *dev)
1463{
1464    old_camera_power = sonypi_device.camera_power;
1465    sonypi_disable();
1466
1467    return 0;
1468}
1469
1470static int sonypi_resume(struct device *dev)
1471{
1472    sonypi_enable(old_camera_power);
1473    return 0;
1474}
1475
1476static SIMPLE_DEV_PM_OPS(sonypi_pm, sonypi_suspend, sonypi_resume);
1477#define SONYPI_PM (&sonypi_pm)
1478#else
1479#define SONYPI_PM NULL
1480#endif
1481
1482static void sonypi_shutdown(struct platform_device *dev)
1483{
1484    sonypi_disable();
1485}
1486
1487static struct platform_driver sonypi_driver = {
1488    .driver = {
1489        .name = "sonypi",
1490        .owner = THIS_MODULE,
1491        .pm = SONYPI_PM,
1492    },
1493    .probe = sonypi_probe,
1494    .remove = sonypi_remove,
1495    .shutdown = sonypi_shutdown,
1496};
1497
1498static struct platform_device *sonypi_platform_device;
1499
1500static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1501    {
1502        .ident = "Sony Vaio",
1503        .matches = {
1504            DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1505            DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1506        },
1507    },
1508    {
1509        .ident = "Sony Vaio",
1510        .matches = {
1511            DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1512            DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1513        },
1514    },
1515    { }
1516};
1517
1518static int __init sonypi_init(void)
1519{
1520    int error;
1521
1522    printk(KERN_INFO
1523        "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
1524        SONYPI_DRIVER_VERSION);
1525
1526    if (!dmi_check_system(sonypi_dmi_table))
1527        return -ENODEV;
1528
1529    error = platform_driver_register(&sonypi_driver);
1530    if (error)
1531        return error;
1532
1533    sonypi_platform_device = platform_device_alloc("sonypi", -1);
1534    if (!sonypi_platform_device) {
1535        error = -ENOMEM;
1536        goto err_driver_unregister;
1537    }
1538
1539    error = platform_device_add(sonypi_platform_device);
1540    if (error)
1541        goto err_free_device;
1542
1543#ifdef CONFIG_ACPI
1544    if (acpi_bus_register_driver(&sonypi_acpi_driver) >= 0)
1545        acpi_driver_registered = 1;
1546#endif
1547
1548    return 0;
1549
1550 err_free_device:
1551    platform_device_put(sonypi_platform_device);
1552 err_driver_unregister:
1553    platform_driver_unregister(&sonypi_driver);
1554    return error;
1555}
1556
1557static void __exit sonypi_exit(void)
1558{
1559#ifdef CONFIG_ACPI
1560    if (acpi_driver_registered)
1561        acpi_bus_unregister_driver(&sonypi_acpi_driver);
1562#endif
1563    platform_device_unregister(sonypi_platform_device);
1564    platform_driver_unregister(&sonypi_driver);
1565    printk(KERN_INFO "sonypi: removed.\n");
1566}
1567
1568module_init(sonypi_init);
1569module_exit(sonypi_exit);
1570

Archive Download this file

Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master

Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9



interactive