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[XFRM]: skb_cow_data() does not set proper owner for new skbs.
[linux-2.6/verdex.git] / drivers / char / sonypi.c
blobfd042060809a3b5572183f6874219d890261a09b
1 /*
2 * Sony Programmable I/O Control Device driver for VAIO
3 *
4 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
5 *
6 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
7 *
8 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
9 *
10 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
11 *
12 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
13 *
14 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
15 *
16 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
17 *
18 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
19 *
20 * This program is free software; you can redistribute it and/or modify
21 * it under the terms of the GNU General Public License as published by
22 * the Free Software Foundation; either version 2 of the License, or
23 * (at your option) any later version.
24 *
25 * This program is distributed in the hope that it will be useful,
26 * but WITHOUT ANY WARRANTY; without even the implied warranty of
27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
28 * GNU General Public License for more details.
29 *
30 * You should have received a copy of the GNU General Public License
31 * along with this program; if not, write to the Free Software
32 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33 *
34 */
35
36 #include <linux/config.h>
37 #include <linux/module.h>
38 #include <linux/input.h>
39 #include <linux/pci.h>
40 #include <linux/sched.h>
41 #include <linux/init.h>
42 #include <linux/interrupt.h>
43 #include <linux/miscdevice.h>
44 #include <linux/poll.h>
45 #include <linux/delay.h>
46 #include <linux/wait.h>
47 #include <linux/acpi.h>
48 #include <linux/dmi.h>
49 #include <linux/err.h>
50 #include <linux/kfifo.h>
51
52 #include <asm/uaccess.h>
53 #include <asm/io.h>
54 #include <asm/system.h>
55
56 #include <linux/sonypi.h>
57
58 #define SONYPI_DRIVER_VERSION "1.26"
59
60 MODULE_AUTHOR("Stelian Pop <stelian@popies.net>");
61 MODULE_DESCRIPTION("Sony Programmable I/O Control Device driver");
62 MODULE_LICENSE("GPL");
63 MODULE_VERSION(SONYPI_DRIVER_VERSION);
64
65 static int minor = -1;
66 module_param(minor, int, 0);
67 MODULE_PARM_DESC(minor,
68 "minor number of the misc device, default is -1 (automatic)");
69
70 static int verbose; /* = 0 */
71 module_param(verbose, int, 0644);
72 MODULE_PARM_DESC(verbose, "be verbose, default is 0 (no)");
73
74 static int fnkeyinit; /* = 0 */
75 module_param(fnkeyinit, int, 0444);
76 MODULE_PARM_DESC(fnkeyinit,
77 "set this if your Fn keys do not generate any event");
78
79 static int camera; /* = 0 */
80 module_param(camera, int, 0444);
81 MODULE_PARM_DESC(camera,
82 "set this if you have a MotionEye camera (PictureBook series)");
83
84 static int compat; /* = 0 */
85 module_param(compat, int, 0444);
86 MODULE_PARM_DESC(compat,
87 "set this if you want to enable backward compatibility mode");
88
89 static unsigned long mask = 0xffffffff;
90 module_param(mask, ulong, 0644);
91 MODULE_PARM_DESC(mask,
92 "set this to the mask of event you want to enable (see doc)");
93
94 static int useinput = 1;
95 module_param(useinput, int, 0444);
96 MODULE_PARM_DESC(useinput,
97 "set this if you would like sonypi to feed events to the input subsystem");
98
99 #define SONYPI_DEVICE_MODEL_TYPE1 1
100 #define SONYPI_DEVICE_MODEL_TYPE2 2
101
102 /* type1 models use those */
103 #define SONYPI_IRQ_PORT 0x8034
104 #define SONYPI_IRQ_SHIFT 22
105 #define SONYPI_BASE 0x50
106 #define SONYPI_G10A (SONYPI_BASE+0x14)
107 #define SONYPI_TYPE1_REGION_SIZE 0x08
108 #define SONYPI_TYPE1_EVTYPE_OFFSET 0x04
109
110 /* type2 series specifics */
111 #define SONYPI_SIRQ 0x9b
112 #define SONYPI_SLOB 0x9c
113 #define SONYPI_SHIB 0x9d
114 #define SONYPI_TYPE2_REGION_SIZE 0x20
115 #define SONYPI_TYPE2_EVTYPE_OFFSET 0x12
116
117 /* battery / brightness addresses */
118 #define SONYPI_BAT_FLAGS 0x81
119 #define SONYPI_LCD_LIGHT 0x96
120 #define SONYPI_BAT1_PCTRM 0xa0
121 #define SONYPI_BAT1_LEFT 0xa2
122 #define SONYPI_BAT1_MAXRT 0xa4
123 #define SONYPI_BAT2_PCTRM 0xa8
124 #define SONYPI_BAT2_LEFT 0xaa
125 #define SONYPI_BAT2_MAXRT 0xac
126 #define SONYPI_BAT1_MAXTK 0xb0
127 #define SONYPI_BAT1_FULL 0xb2
128 #define SONYPI_BAT2_MAXTK 0xb8
129 #define SONYPI_BAT2_FULL 0xba
130
131 /* FAN0 information (reverse engineered from ACPI tables) */
132 #define SONYPI_FAN0_STATUS 0x93
133 #define SONYPI_TEMP_STATUS 0xC1
134
135 /* ioports used for brightness and type2 events */
136 #define SONYPI_DATA_IOPORT 0x62
137 #define SONYPI_CST_IOPORT 0x66
138
139 /* The set of possible ioports */
140 struct sonypi_ioport_list {
141 u16 port1;
142 u16 port2;
143 };
144
145 static struct sonypi_ioport_list sonypi_type1_ioport_list[] = {
146 { 0x10c0, 0x10c4 }, /* looks like the default on C1Vx */
147 { 0x1080, 0x1084 },
148 { 0x1090, 0x1094 },
149 { 0x10a0, 0x10a4 },
150 { 0x10b0, 0x10b4 },
151 { 0x0, 0x0 }
152 };
153
154 static struct sonypi_ioport_list sonypi_type2_ioport_list[] = {
155 { 0x1080, 0x1084 },
156 { 0x10a0, 0x10a4 },
157 { 0x10c0, 0x10c4 },
158 { 0x10e0, 0x10e4 },
159 { 0x0, 0x0 }
160 };
161
162 /* The set of possible interrupts */
163 struct sonypi_irq_list {
164 u16 irq;
165 u16 bits;
166 };
167
168 static struct sonypi_irq_list sonypi_type1_irq_list[] = {
169 { 11, 0x2 }, /* IRQ 11, GO22=0,GO23=1 in AML */
170 { 10, 0x1 }, /* IRQ 10, GO22=1,GO23=0 in AML */
171 { 5, 0x0 }, /* IRQ 5, GO22=0,GO23=0 in AML */
172 { 0, 0x3 } /* no IRQ, GO22=1,GO23=1 in AML */
173 };
174
175 static struct sonypi_irq_list sonypi_type2_irq_list[] = {
176 { 11, 0x80 }, /* IRQ 11, 0x80 in SIRQ in AML */
177 { 10, 0x40 }, /* IRQ 10, 0x40 in SIRQ in AML */
178 { 9, 0x20 }, /* IRQ 9, 0x20 in SIRQ in AML */
179 { 6, 0x10 }, /* IRQ 6, 0x10 in SIRQ in AML */
180 { 0, 0x00 } /* no IRQ, 0x00 in SIRQ in AML */
181 };
182
183 #define SONYPI_CAMERA_BRIGHTNESS 0
184 #define SONYPI_CAMERA_CONTRAST 1
185 #define SONYPI_CAMERA_HUE 2
186 #define SONYPI_CAMERA_COLOR 3
187 #define SONYPI_CAMERA_SHARPNESS 4
188
189 #define SONYPI_CAMERA_PICTURE 5
190 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
191 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
192 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
193 #define SONYPI_CAMERA_MUTE_MASK 0x40
194
195 /* the rest don't need a loop until not 0xff */
196 #define SONYPI_CAMERA_AGC 6
197 #define SONYPI_CAMERA_AGC_MASK 0x30
198 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
199
200 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
201 #define SONYPI_CAMERA_CONTROL 0x10
202
203 #define SONYPI_CAMERA_STATUS 7
204 #define SONYPI_CAMERA_STATUS_READY 0x2
205 #define SONYPI_CAMERA_STATUS_POSITION 0x4
206
207 #define SONYPI_DIRECTION_BACKWARDS 0x4
208
209 #define SONYPI_CAMERA_REVISION 8
210 #define SONYPI_CAMERA_ROMVERSION 9
211
212 /* Event masks */
213 #define SONYPI_JOGGER_MASK 0x00000001
214 #define SONYPI_CAPTURE_MASK 0x00000002
215 #define SONYPI_FNKEY_MASK 0x00000004
216 #define SONYPI_BLUETOOTH_MASK 0x00000008
217 #define SONYPI_PKEY_MASK 0x00000010
218 #define SONYPI_BACK_MASK 0x00000020
219 #define SONYPI_HELP_MASK 0x00000040
220 #define SONYPI_LID_MASK 0x00000080
221 #define SONYPI_ZOOM_MASK 0x00000100
222 #define SONYPI_THUMBPHRASE_MASK 0x00000200
223 #define SONYPI_MEYE_MASK 0x00000400
224 #define SONYPI_MEMORYSTICK_MASK 0x00000800
225 #define SONYPI_BATTERY_MASK 0x00001000
226
227 struct sonypi_event {
228 u8 data;
229 u8 event;
230 };
231
232 /* The set of possible button release events */
233 static struct sonypi_event sonypi_releaseev[] = {
234 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
235 { 0, 0 }
236 };
237
238 /* The set of possible jogger events */
239 static struct sonypi_event sonypi_joggerev[] = {
240 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
241 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
242 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
243 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
244 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
245 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
246 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
247 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
248 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
249 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
250 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
251 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
252 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
253 { 0, 0 }
254 };
255
256 /* The set of possible capture button events */
257 static struct sonypi_event sonypi_captureev[] = {
258 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
259 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
260 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
261 { 0, 0 }
262 };
263
264 /* The set of possible fnkeys events */
265 static struct sonypi_event sonypi_fnkeyev[] = {
266 { 0x10, SONYPI_EVENT_FNKEY_ESC },
267 { 0x11, SONYPI_EVENT_FNKEY_F1 },
268 { 0x12, SONYPI_EVENT_FNKEY_F2 },
269 { 0x13, SONYPI_EVENT_FNKEY_F3 },
270 { 0x14, SONYPI_EVENT_FNKEY_F4 },
271 { 0x15, SONYPI_EVENT_FNKEY_F5 },
272 { 0x16, SONYPI_EVENT_FNKEY_F6 },
273 { 0x17, SONYPI_EVENT_FNKEY_F7 },
274 { 0x18, SONYPI_EVENT_FNKEY_F8 },
275 { 0x19, SONYPI_EVENT_FNKEY_F9 },
276 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
277 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
278 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
279 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
280 { 0x21, SONYPI_EVENT_FNKEY_1 },
281 { 0x22, SONYPI_EVENT_FNKEY_2 },
282 { 0x31, SONYPI_EVENT_FNKEY_D },
283 { 0x32, SONYPI_EVENT_FNKEY_E },
284 { 0x33, SONYPI_EVENT_FNKEY_F },
285 { 0x34, SONYPI_EVENT_FNKEY_S },
286 { 0x35, SONYPI_EVENT_FNKEY_B },
287 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
288 { 0, 0 }
289 };
290
291 /* The set of possible program key events */
292 static struct sonypi_event sonypi_pkeyev[] = {
293 { 0x01, SONYPI_EVENT_PKEY_P1 },
294 { 0x02, SONYPI_EVENT_PKEY_P2 },
295 { 0x04, SONYPI_EVENT_PKEY_P3 },
296 { 0x5c, SONYPI_EVENT_PKEY_P1 },
297 { 0, 0 }
298 };
299
300 /* The set of possible bluetooth events */
301 static struct sonypi_event sonypi_blueev[] = {
302 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
303 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
304 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
305 { 0, 0 }
306 };
307
308 /* The set of possible back button events */
309 static struct sonypi_event sonypi_backev[] = {
310 { 0x20, SONYPI_EVENT_BACK_PRESSED },
311 { 0, 0 }
312 };
313
314 /* The set of possible help button events */
315 static struct sonypi_event sonypi_helpev[] = {
316 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
317 { 0, 0 }
318 };
319
320
321 /* The set of possible lid events */
322 static struct sonypi_event sonypi_lidev[] = {
323 { 0x51, SONYPI_EVENT_LID_CLOSED },
324 { 0x50, SONYPI_EVENT_LID_OPENED },
325 { 0, 0 }
326 };
327
328 /* The set of possible zoom events */
329 static struct sonypi_event sonypi_zoomev[] = {
330 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
331 { 0, 0 }
332 };
333
334 /* The set of possible thumbphrase events */
335 static struct sonypi_event sonypi_thumbphraseev[] = {
336 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
337 { 0, 0 }
338 };
339
340 /* The set of possible motioneye camera events */
341 static struct sonypi_event sonypi_meyeev[] = {
342 { 0x00, SONYPI_EVENT_MEYE_FACE },
343 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
344 { 0, 0 }
345 };
346
347 /* The set of possible memorystick events */
348 static struct sonypi_event sonypi_memorystickev[] = {
349 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
350 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
351 { 0, 0 }
352 };
353
354 /* The set of possible battery events */
355 static struct sonypi_event sonypi_batteryev[] = {
356 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
357 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
358 { 0, 0 }
359 };
360
361 static struct sonypi_eventtypes {
362 int model;
363 u8 data;
364 unsigned long mask;
365 struct sonypi_event * events;
366 } sonypi_eventtypes[] = {
367 { SONYPI_DEVICE_MODEL_TYPE1, 0, 0xffffffff, sonypi_releaseev },
368 { SONYPI_DEVICE_MODEL_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
369 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
370 { SONYPI_DEVICE_MODEL_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
371 { SONYPI_DEVICE_MODEL_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
372 { SONYPI_DEVICE_MODEL_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
373 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
374 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
375 { SONYPI_DEVICE_MODEL_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
376 { SONYPI_DEVICE_MODEL_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
377
378 { SONYPI_DEVICE_MODEL_TYPE2, 0, 0xffffffff, sonypi_releaseev },
379 { SONYPI_DEVICE_MODEL_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
380 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
381 { SONYPI_DEVICE_MODEL_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
382 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
383 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
384 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
385 { SONYPI_DEVICE_MODEL_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
386 { SONYPI_DEVICE_MODEL_TYPE2, 0x08, SONYPI_HELP_MASK, sonypi_helpev },
387 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
388 { SONYPI_DEVICE_MODEL_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
389 { SONYPI_DEVICE_MODEL_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
390 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
391 { SONYPI_DEVICE_MODEL_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
392 { SONYPI_DEVICE_MODEL_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
393
394 { 0 }
395 };
396
397 #define SONYPI_BUF_SIZE 128
398
399 /* The name of the devices for the input device drivers */
400 #define SONYPI_JOG_INPUTNAME "Sony Vaio Jogdial"
401 #define SONYPI_KEY_INPUTNAME "Sony Vaio Keys"
402
403 /* Correspondance table between sonypi events and input layer events */
404 static struct {
405 int sonypiev;
406 int inputev;
407 } sonypi_inputkeys[] = {
408 { SONYPI_EVENT_CAPTURE_PRESSED, KEY_CAMERA },
409 { SONYPI_EVENT_FNKEY_ONLY, KEY_FN },
410 { SONYPI_EVENT_FNKEY_ESC, KEY_FN_ESC },
411 { SONYPI_EVENT_FNKEY_F1, KEY_FN_F1 },
412 { SONYPI_EVENT_FNKEY_F2, KEY_FN_F2 },
413 { SONYPI_EVENT_FNKEY_F3, KEY_FN_F3 },
414 { SONYPI_EVENT_FNKEY_F4, KEY_FN_F4 },
415 { SONYPI_EVENT_FNKEY_F5, KEY_FN_F5 },
416 { SONYPI_EVENT_FNKEY_F6, KEY_FN_F6 },
417 { SONYPI_EVENT_FNKEY_F7, KEY_FN_F7 },
418 { SONYPI_EVENT_FNKEY_F8, KEY_FN_F8 },
419 { SONYPI_EVENT_FNKEY_F9, KEY_FN_F9 },
420 { SONYPI_EVENT_FNKEY_F10, KEY_FN_F10 },
421 { SONYPI_EVENT_FNKEY_F11, KEY_FN_F11 },
422 { SONYPI_EVENT_FNKEY_F12, KEY_FN_F12 },
423 { SONYPI_EVENT_FNKEY_1, KEY_FN_1 },
424 { SONYPI_EVENT_FNKEY_2, KEY_FN_2 },
425 { SONYPI_EVENT_FNKEY_D, KEY_FN_D },
426 { SONYPI_EVENT_FNKEY_E, KEY_FN_E },
427 { SONYPI_EVENT_FNKEY_F, KEY_FN_F },
428 { SONYPI_EVENT_FNKEY_S, KEY_FN_S },
429 { SONYPI_EVENT_FNKEY_B, KEY_FN_B },
430 { SONYPI_EVENT_BLUETOOTH_PRESSED, KEY_BLUE },
431 { SONYPI_EVENT_BLUETOOTH_ON, KEY_BLUE },
432 { SONYPI_EVENT_PKEY_P1, KEY_PROG1 },
433 { SONYPI_EVENT_PKEY_P2, KEY_PROG2 },
434 { SONYPI_EVENT_PKEY_P3, KEY_PROG3 },
435 { SONYPI_EVENT_BACK_PRESSED, KEY_BACK },
436 { SONYPI_EVENT_HELP_PRESSED, KEY_HELP },
437 { SONYPI_EVENT_ZOOM_PRESSED, KEY_ZOOM },
438 { SONYPI_EVENT_THUMBPHRASE_PRESSED, BTN_THUMB },
439 { 0, 0 },
440 };
441
442 static struct sonypi_device {
443 struct pci_dev *dev;
444 struct platform_device *pdev;
445 u16 irq;
446 u16 bits;
447 u16 ioport1;
448 u16 ioport2;
449 u16 region_size;
450 u16 evtype_offset;
451 int camera_power;
452 int bluetooth_power;
453 struct semaphore lock;
454 struct kfifo *fifo;
455 spinlock_t fifo_lock;
456 wait_queue_head_t fifo_proc_list;
457 struct fasync_struct *fifo_async;
458 int open_count;
459 int model;
460 struct input_dev input_jog_dev;
461 struct input_dev input_key_dev;
462 struct work_struct input_work;
463 struct kfifo *input_fifo;
464 spinlock_t input_fifo_lock;
465 } sonypi_device;
466
467 #define ITERATIONS_LONG 10000
468 #define ITERATIONS_SHORT 10
469
470 #define wait_on_command(quiet, command, iterations) { \
471 unsigned int n = iterations; \
472 while (--n && (command)) \
473 udelay(1); \
474 if (!n && (verbose || !quiet)) \
475 printk(KERN_WARNING "sonypi command failed at %s : %s (line %d)\n", __FILE__, __FUNCTION__, __LINE__); \
476 }
477
478 #ifdef CONFIG_ACPI
479 #define SONYPI_ACPI_ACTIVE (!acpi_disabled)
480 #else
481 #define SONYPI_ACPI_ACTIVE 0
482 #endif /* CONFIG_ACPI */
483
484 static int sonypi_ec_write(u8 addr, u8 value)
485 {
486 #ifdef CONFIG_ACPI_EC
487 if (SONYPI_ACPI_ACTIVE)
488 return ec_write(addr, value);
489 #endif
490 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
491 outb_p(0x81, SONYPI_CST_IOPORT);
492 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
493 outb_p(addr, SONYPI_DATA_IOPORT);
494 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
495 outb_p(value, SONYPI_DATA_IOPORT);
496 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
497 return 0;
498 }
499
500 static int sonypi_ec_read(u8 addr, u8 *value)
501 {
502 #ifdef CONFIG_ACPI_EC
503 if (SONYPI_ACPI_ACTIVE)
504 return ec_read(addr, value);
505 #endif
506 wait_on_command(1, inb_p(SONYPI_CST_IOPORT) & 3, ITERATIONS_LONG);
507 outb_p(0x80, SONYPI_CST_IOPORT);
508 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
509 outb_p(addr, SONYPI_DATA_IOPORT);
510 wait_on_command(0, inb_p(SONYPI_CST_IOPORT) & 2, ITERATIONS_LONG);
511 *value = inb_p(SONYPI_DATA_IOPORT);
512 return 0;
513 }
514
515 static int ec_read16(u8 addr, u16 *value)
516 {
517 u8 val_lb, val_hb;
518 if (sonypi_ec_read(addr, &val_lb))
519 return -1;
520 if (sonypi_ec_read(addr + 1, &val_hb))
521 return -1;
522 *value = val_lb | (val_hb << 8);
523 return 0;
524 }
525
526 /* Initializes the device - this comes from the AML code in the ACPI bios */
527 static void sonypi_type1_srs(void)
528 {
529 u32 v;
530
531 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
532 v = (v & 0xFFFF0000) | ((u32) sonypi_device.ioport1);
533 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
534
535 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
536 v = (v & 0xFFF0FFFF) |
537 (((u32) sonypi_device.ioport1 ^ sonypi_device.ioport2) << 16);
538 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
539
540 v = inl(SONYPI_IRQ_PORT);
541 v &= ~(((u32) 0x3) << SONYPI_IRQ_SHIFT);
542 v |= (((u32) sonypi_device.bits) << SONYPI_IRQ_SHIFT);
543 outl(v, SONYPI_IRQ_PORT);
544
545 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
546 v = (v & 0xFF1FFFFF) | 0x00C00000;
547 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
548 }
549
550 static void sonypi_type2_srs(void)
551 {
552 if (sonypi_ec_write(SONYPI_SHIB, (sonypi_device.ioport1 & 0xFF00) >> 8))
553 printk(KERN_WARNING "ec_write failed\n");
554 if (sonypi_ec_write(SONYPI_SLOB, sonypi_device.ioport1 & 0x00FF))
555 printk(KERN_WARNING "ec_write failed\n");
556 if (sonypi_ec_write(SONYPI_SIRQ, sonypi_device.bits))
557 printk(KERN_WARNING "ec_write failed\n");
558 udelay(10);
559 }
560
561 /* Disables the device - this comes from the AML code in the ACPI bios */
562 static void sonypi_type1_dis(void)
563 {
564 u32 v;
565
566 pci_read_config_dword(sonypi_device.dev, SONYPI_G10A, &v);
567 v = v & 0xFF3FFFFF;
568 pci_write_config_dword(sonypi_device.dev, SONYPI_G10A, v);
569
570 v = inl(SONYPI_IRQ_PORT);
571 v |= (0x3 << SONYPI_IRQ_SHIFT);
572 outl(v, SONYPI_IRQ_PORT);
573 }
574
575 static void sonypi_type2_dis(void)
576 {
577 if (sonypi_ec_write(SONYPI_SHIB, 0))
578 printk(KERN_WARNING "ec_write failed\n");
579 if (sonypi_ec_write(SONYPI_SLOB, 0))
580 printk(KERN_WARNING "ec_write failed\n");
581 if (sonypi_ec_write(SONYPI_SIRQ, 0))
582 printk(KERN_WARNING "ec_write failed\n");
583 }
584
585 static u8 sonypi_call1(u8 dev)
586 {
587 u8 v1, v2;
588
589 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
590 outb(dev, sonypi_device.ioport2);
591 v1 = inb_p(sonypi_device.ioport2);
592 v2 = inb_p(sonypi_device.ioport1);
593 return v2;
594 }
595
596 static u8 sonypi_call2(u8 dev, u8 fn)
597 {
598 u8 v1;
599
600 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
601 outb(dev, sonypi_device.ioport2);
602 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
603 outb(fn, sonypi_device.ioport1);
604 v1 = inb_p(sonypi_device.ioport1);
605 return v1;
606 }
607
608 static u8 sonypi_call3(u8 dev, u8 fn, u8 v)
609 {
610 u8 v1;
611
612 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
613 outb(dev, sonypi_device.ioport2);
614 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
615 outb(fn, sonypi_device.ioport1);
616 wait_on_command(0, inb_p(sonypi_device.ioport2) & 2, ITERATIONS_LONG);
617 outb(v, sonypi_device.ioport1);
618 v1 = inb_p(sonypi_device.ioport1);
619 return v1;
620 }
621
622 #if 0
623 /* Get brightness, hue etc. Unreliable... */
624 static u8 sonypi_read(u8 fn)
625 {
626 u8 v1, v2;
627 int n = 100;
628
629 while (n--) {
630 v1 = sonypi_call2(0x8f, fn);
631 v2 = sonypi_call2(0x8f, fn);
632 if (v1 == v2 && v1 != 0xff)
633 return v1;
634 }
635 return 0xff;
636 }
637 #endif
638
639 /* Set brightness, hue etc */
640 static void sonypi_set(u8 fn, u8 v)
641 {
642 wait_on_command(0, sonypi_call3(0x90, fn, v), ITERATIONS_SHORT);
643 }
644
645 /* Tests if the camera is ready */
646 static int sonypi_camera_ready(void)
647 {
648 u8 v;
649
650 v = sonypi_call2(0x8f, SONYPI_CAMERA_STATUS);
651 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
652 }
653
654 /* Turns the camera off */
655 static void sonypi_camera_off(void)
656 {
657 sonypi_set(SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK);
658
659 if (!sonypi_device.camera_power)
660 return;
661
662 sonypi_call2(0x91, 0);
663 sonypi_device.camera_power = 0;
664 }
665
666 /* Turns the camera on */
667 static void sonypi_camera_on(void)
668 {
669 int i, j;
670
671 if (sonypi_device.camera_power)
672 return;
673
674 for (j = 5; j > 0; j--) {
675
676 while (sonypi_call2(0x91, 0x1))
677 msleep(10);
678 sonypi_call1(0x93);
679
680 for (i = 400; i > 0; i--) {
681 if (sonypi_camera_ready())
682 break;
683 msleep(10);
684 }
685 if (i)
686 break;
687 }
688
689 if (j == 0) {
690 printk(KERN_WARNING "sonypi: failed to power on camera\n");
691 return;
692 }
693
694 sonypi_set(0x10, 0x5a);
695 sonypi_device.camera_power = 1;
696 }
697
698 /* sets the bluetooth subsystem power state */
699 static void sonypi_setbluetoothpower(u8 state)
700 {
701 state = !!state;
702
703 if (sonypi_device.bluetooth_power == state)
704 return;
705
706 sonypi_call2(0x96, state);
707 sonypi_call1(0x82);
708 sonypi_device.bluetooth_power = state;
709 }
710
711 static void input_keyrelease(void *data)
712 {
713 struct input_dev *input_dev;
714 int key;
715
716 while (1) {
717 if (kfifo_get(sonypi_device.input_fifo,
718 (unsigned char *)&input_dev,
719 sizeof(input_dev)) != sizeof(input_dev))
720 return;
721 if (kfifo_get(sonypi_device.input_fifo,
722 (unsigned char *)&key,
723 sizeof(key)) != sizeof(key))
724 return;
725
726 msleep(10);
727 input_report_key(input_dev, key, 0);
728 input_sync(input_dev);
729 }
730 }
731
732 /* Interrupt handler: some event is available */
733 static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs)
734 {
735 u8 v1, v2, event = 0;
736 int i, j;
737
738 v1 = inb_p(sonypi_device.ioport1);
739 v2 = inb_p(sonypi_device.ioport1 + sonypi_device.evtype_offset);
740
741 for (i = 0; sonypi_eventtypes[i].model; i++) {
742 if (sonypi_device.model != sonypi_eventtypes[i].model)
743 continue;
744 if ((v2 & sonypi_eventtypes[i].data) !=
745 sonypi_eventtypes[i].data)
746 continue;
747 if (!(mask & sonypi_eventtypes[i].mask))
748 continue;
749 for (j = 0; sonypi_eventtypes[i].events[j].event; j++) {
750 if (v1 == sonypi_eventtypes[i].events[j].data) {
751 event = sonypi_eventtypes[i].events[j].event;
752 goto found;
753 }
754 }
755 }
756
757 if (verbose)
758 printk(KERN_WARNING
759 "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",
760 v1, v2);
761 /* We need to return IRQ_HANDLED here because there *are*
762 * events belonging to the sonypi device we don't know about,
763 * but we still don't want those to pollute the logs... */
764 return IRQ_HANDLED;
765
766 found:
767 if (verbose > 1)
768 printk(KERN_INFO
769 "sonypi: event port1=0x%02x,port2=0x%02x\n", v1, v2);
770
771 if (useinput) {
772 struct input_dev *input_jog_dev = &sonypi_device.input_jog_dev;
773 struct input_dev *input_key_dev = &sonypi_device.input_key_dev;
774 switch (event) {
775 case SONYPI_EVENT_JOGDIAL_UP:
776 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
777 input_report_rel(input_jog_dev, REL_WHEEL, 1);
778 break;
779 case SONYPI_EVENT_JOGDIAL_DOWN:
780 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
781 input_report_rel(input_jog_dev, REL_WHEEL, -1);
782 break;
783 case SONYPI_EVENT_JOGDIAL_PRESSED: {
784 int key = BTN_MIDDLE;
785 input_report_key(input_jog_dev, key, 1);
786 kfifo_put(sonypi_device.input_fifo,
787 (unsigned char *)&input_jog_dev,
788 sizeof(input_jog_dev));
789 kfifo_put(sonypi_device.input_fifo,
790 (unsigned char *)&key, sizeof(key));
791 break;
792 }
793 case SONYPI_EVENT_FNKEY_RELEASED:
794 /* Nothing, not all VAIOs generate this event */
795 break;
796 }
797 input_sync(input_jog_dev);
798
799 for (i = 0; sonypi_inputkeys[i].sonypiev; i++) {
800 int key;
801
802 if (event != sonypi_inputkeys[i].sonypiev)
803 continue;
804
805 key = sonypi_inputkeys[i].inputev;
806 input_report_key(input_key_dev, key, 1);
807 kfifo_put(sonypi_device.input_fifo,
808 (unsigned char *)&input_key_dev,
809 sizeof(input_key_dev));
810 kfifo_put(sonypi_device.input_fifo,
811 (unsigned char *)&key, sizeof(key));
812 }
813 input_sync(input_key_dev);
814 schedule_work(&sonypi_device.input_work);
815 }
816
817 kfifo_put(sonypi_device.fifo, (unsigned char *)&event, sizeof(event));
818 kill_fasync(&sonypi_device.fifo_async, SIGIO, POLL_IN);
819 wake_up_interruptible(&sonypi_device.fifo_proc_list);
820
821 return IRQ_HANDLED;
822 }
823
824 /* External camera command (exported to the motion eye v4l driver) */
825 int sonypi_camera_command(int command, u8 value)
826 {
827 if (!camera)
828 return -EIO;
829
830 down(&sonypi_device.lock);
831
832 switch (command) {
833 case SONYPI_COMMAND_SETCAMERA:
834 if (value)
835 sonypi_camera_on();
836 else
837 sonypi_camera_off();
838 break;
839 case SONYPI_COMMAND_SETCAMERABRIGHTNESS:
840 sonypi_set(SONYPI_CAMERA_BRIGHTNESS, value);
841 break;
842 case SONYPI_COMMAND_SETCAMERACONTRAST:
843 sonypi_set(SONYPI_CAMERA_CONTRAST, value);
844 break;
845 case SONYPI_COMMAND_SETCAMERAHUE:
846 sonypi_set(SONYPI_CAMERA_HUE, value);
847 break;
848 case SONYPI_COMMAND_SETCAMERACOLOR:
849 sonypi_set(SONYPI_CAMERA_COLOR, value);
850 break;
851 case SONYPI_COMMAND_SETCAMERASHARPNESS:
852 sonypi_set(SONYPI_CAMERA_SHARPNESS, value);
853 break;
854 case SONYPI_COMMAND_SETCAMERAPICTURE:
855 sonypi_set(SONYPI_CAMERA_PICTURE, value);
856 break;
857 case SONYPI_COMMAND_SETCAMERAAGC:
858 sonypi_set(SONYPI_CAMERA_AGC, value);
859 break;
860 default:
861 printk(KERN_ERR "sonypi: sonypi_camera_command invalid: %d\n",
862 command);
863 break;
864 }
865 up(&sonypi_device.lock);
866 return 0;
867 }
868
869 EXPORT_SYMBOL(sonypi_camera_command);
870
871 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
872 {
873 int retval;
874
875 retval = fasync_helper(fd, filp, on, &sonypi_device.fifo_async);
876 if (retval < 0)
877 return retval;
878 return 0;
879 }
880
881 static int sonypi_misc_release(struct inode *inode, struct file *file)
882 {
883 sonypi_misc_fasync(-1, file, 0);
884 down(&sonypi_device.lock);
885 sonypi_device.open_count--;
886 up(&sonypi_device.lock);
887 return 0;
888 }
889
890 static int sonypi_misc_open(struct inode *inode, struct file *file)
891 {
892 down(&sonypi_device.lock);
893 /* Flush input queue on first open */
894 if (!sonypi_device.open_count)
895 kfifo_reset(sonypi_device.fifo);
896 sonypi_device.open_count++;
897 up(&sonypi_device.lock);
898 return 0;
899 }
900
901 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
902 size_t count, loff_t *pos)
903 {
904 ssize_t ret;
905 unsigned char c;
906
907 if ((kfifo_len(sonypi_device.fifo) == 0) &&
908 (file->f_flags & O_NONBLOCK))
909 return -EAGAIN;
910
911 ret = wait_event_interruptible(sonypi_device.fifo_proc_list,
912 kfifo_len(sonypi_device.fifo) != 0);
913 if (ret)
914 return ret;
915
916 while (ret < count &&
917 (kfifo_get(sonypi_device.fifo, &c, sizeof(c)) == sizeof(c))) {
918 if (put_user(c, buf++))
919 return -EFAULT;
920 ret++;
921 }
922
923 if (ret > 0) {
924 struct inode *inode = file->f_dentry->d_inode;
925 inode->i_atime = current_fs_time(inode->i_sb);
926 }
927
928 return ret;
929 }
930
931 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
932 {
933 poll_wait(file, &sonypi_device.fifo_proc_list, wait);
934 if (kfifo_len(sonypi_device.fifo))
935 return POLLIN | POLLRDNORM;
936 return 0;
937 }
938
939 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
940 unsigned int cmd, unsigned long arg)
941 {
942 int ret = 0;
943 void __user *argp = (void __user *)arg;
944 u8 val8;
945 u16 val16;
946
947 down(&sonypi_device.lock);
948 switch (cmd) {
949 case SONYPI_IOCGBRT:
950 if (sonypi_ec_read(SONYPI_LCD_LIGHT, &val8)) {
951 ret = -EIO;
952 break;
953 }
954 if (copy_to_user(argp, &val8, sizeof(val8)))
955 ret = -EFAULT;
956 break;
957 case SONYPI_IOCSBRT:
958 if (copy_from_user(&val8, argp, sizeof(val8))) {
959 ret = -EFAULT;
960 break;
961 }
962 if (sonypi_ec_write(SONYPI_LCD_LIGHT, val8))
963 ret = -EIO;
964 break;
965 case SONYPI_IOCGBAT1CAP:
966 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
967 ret = -EIO;
968 break;
969 }
970 if (copy_to_user(argp, &val16, sizeof(val16)))
971 ret = -EFAULT;
972 break;
973 case SONYPI_IOCGBAT1REM:
974 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
975 ret = -EIO;
976 break;
977 }
978 if (copy_to_user(argp, &val16, sizeof(val16)))
979 ret = -EFAULT;
980 break;
981 case SONYPI_IOCGBAT2CAP:
982 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
983 ret = -EIO;
984 break;
985 }
986 if (copy_to_user(argp, &val16, sizeof(val16)))
987 ret = -EFAULT;
988 break;
989 case SONYPI_IOCGBAT2REM:
990 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
991 ret = -EIO;
992 break;
993 }
994 if (copy_to_user(argp, &val16, sizeof(val16)))
995 ret = -EFAULT;
996 break;
997 case SONYPI_IOCGBATFLAGS:
998 if (sonypi_ec_read(SONYPI_BAT_FLAGS, &val8)) {
999 ret = -EIO;
1000 break;
1001 }
1002 val8 &= 0x07;
1003 if (copy_to_user(argp, &val8, sizeof(val8)))
1004 ret = -EFAULT;
1005 break;
1006 case SONYPI_IOCGBLUE:
1007 val8 = sonypi_device.bluetooth_power;
1008 if (copy_to_user(argp, &val8, sizeof(val8)))
1009 ret = -EFAULT;
1010 break;
1011 case SONYPI_IOCSBLUE:
1012 if (copy_from_user(&val8, argp, sizeof(val8))) {
1013 ret = -EFAULT;
1014 break;
1015 }
1016 sonypi_setbluetoothpower(val8);
1017 break;
1018 /* FAN Controls */
1019 case SONYPI_IOCGFAN:
1020 if (sonypi_ec_read(SONYPI_FAN0_STATUS, &val8)) {
1021 ret = -EIO;
1022 break;
1023 }
1024 if (copy_to_user(argp, &val8, sizeof(val8)))
1025 ret = -EFAULT;
1026 break;
1027 case SONYPI_IOCSFAN:
1028 if (copy_from_user(&val8, argp, sizeof(val8))) {
1029 ret = -EFAULT;
1030 break;
1031 }
1032 if (sonypi_ec_write(SONYPI_FAN0_STATUS, val8))
1033 ret = -EIO;
1034 break;
1035 /* GET Temperature (useful under APM) */
1036 case SONYPI_IOCGTEMP:
1037 if (sonypi_ec_read(SONYPI_TEMP_STATUS, &val8)) {
1038 ret = -EIO;
1039 break;
1040 }
1041 if (copy_to_user(argp, &val8, sizeof(val8)))
1042 ret = -EFAULT;
1043 break;
1044 default:
1045 ret = -EINVAL;
1046 }
1047 up(&sonypi_device.lock);
1048 return ret;
1049 }
1050
1051 static struct file_operations sonypi_misc_fops = {
1052 .owner = THIS_MODULE,
1053 .read = sonypi_misc_read,
1054 .poll = sonypi_misc_poll,
1055 .open = sonypi_misc_open,
1056 .release = sonypi_misc_release,
1057 .fasync = sonypi_misc_fasync,
1058 .ioctl = sonypi_misc_ioctl,
1059 };
1060
1061 static struct miscdevice sonypi_misc_device = {
1062 .minor = MISC_DYNAMIC_MINOR,
1063 .name = "sonypi",
1064 .fops = &sonypi_misc_fops,
1065 };
1066
1067 static void sonypi_enable(unsigned int camera_on)
1068 {
1069 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
1070 sonypi_type2_srs();
1071 else
1072 sonypi_type1_srs();
1073
1074 sonypi_call1(0x82);
1075 sonypi_call2(0x81, 0xff);
1076 sonypi_call1(compat ? 0x92 : 0x82);
1077
1078 /* Enable ACPI mode to get Fn key events */
1079 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1080 outb(0xf0, 0xb2);
1081
1082 if (camera && camera_on)
1083 sonypi_camera_on();
1084 }
1085
1086 static int sonypi_disable(void)
1087 {
1088 sonypi_call2(0x81, 0); /* make sure we don't get any more events */
1089 if (camera)
1090 sonypi_camera_off();
1091
1092 /* disable ACPI mode */
1093 if (!SONYPI_ACPI_ACTIVE && fnkeyinit)
1094 outb(0xf1, 0xb2);
1095
1096 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2)
1097 sonypi_type2_dis();
1098 else
1099 sonypi_type1_dis();
1100 return 0;
1101 }
1102
1103 #ifdef CONFIG_PM
1104 static int old_camera_power;
1105
1106 static int sonypi_suspend(struct device *dev, pm_message_t state, u32 level)
1107 {
1108 if (level == SUSPEND_DISABLE) {
1109 old_camera_power = sonypi_device.camera_power;
1110 sonypi_disable();
1111 }
1112 return 0;
1113 }
1114
1115 static int sonypi_resume(struct device *dev, u32 level)
1116 {
1117 if (level == RESUME_ENABLE)
1118 sonypi_enable(old_camera_power);
1119 return 0;
1120 }
1121 #endif
1122
1123 static void sonypi_shutdown(struct device *dev)
1124 {
1125 sonypi_disable();
1126 }
1127
1128 static struct device_driver sonypi_driver = {
1129 .name = "sonypi",
1130 .bus = &platform_bus_type,
1131 #ifdef CONFIG_PM
1132 .suspend = sonypi_suspend,
1133 .resume = sonypi_resume,
1134 #endif
1135 .shutdown = sonypi_shutdown,
1136 };
1137
1138 static int __devinit sonypi_probe(void)
1139 {
1140 int i, ret;
1141 struct sonypi_ioport_list *ioport_list;
1142 struct sonypi_irq_list *irq_list;
1143 struct pci_dev *pcidev;
1144
1145 pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1146 PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
1147
1148 sonypi_device.dev = pcidev;
1149 sonypi_device.model = pcidev ?
1150 SONYPI_DEVICE_MODEL_TYPE1 : SONYPI_DEVICE_MODEL_TYPE2;
1151
1152 spin_lock_init(&sonypi_device.fifo_lock);
1153 sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1154 &sonypi_device.fifo_lock);
1155 if (IS_ERR(sonypi_device.fifo)) {
1156 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1157 ret = PTR_ERR(sonypi_device.fifo);
1158 goto out_fifo;
1159 }
1160
1161 init_waitqueue_head(&sonypi_device.fifo_proc_list);
1162 init_MUTEX(&sonypi_device.lock);
1163 sonypi_device.bluetooth_power = -1;
1164
1165 if (pcidev && pci_enable_device(pcidev)) {
1166 printk(KERN_ERR "sonypi: pci_enable_device failed\n");
1167 ret = -EIO;
1168 goto out_pcienable;
1169 }
1170
1171 if (minor != -1)
1172 sonypi_misc_device.minor = minor;
1173 if ((ret = misc_register(&sonypi_misc_device))) {
1174 printk(KERN_ERR "sonypi: misc_register failed\n");
1175 goto out_miscreg;
1176 }
1177
1178 if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE2) {
1179 ioport_list = sonypi_type2_ioport_list;
1180 sonypi_device.region_size = SONYPI_TYPE2_REGION_SIZE;
1181 sonypi_device.evtype_offset = SONYPI_TYPE2_EVTYPE_OFFSET;
1182 irq_list = sonypi_type2_irq_list;
1183 } else {
1184 ioport_list = sonypi_type1_ioport_list;
1185 sonypi_device.region_size = SONYPI_TYPE1_REGION_SIZE;
1186 sonypi_device.evtype_offset = SONYPI_TYPE1_EVTYPE_OFFSET;
1187 irq_list = sonypi_type1_irq_list;
1188 }
1189
1190 for (i = 0; ioport_list[i].port1; i++) {
1191 if (request_region(ioport_list[i].port1,
1192 sonypi_device.region_size,
1193 "Sony Programable I/O Device")) {
1194 /* get the ioport */
1195 sonypi_device.ioport1 = ioport_list[i].port1;
1196 sonypi_device.ioport2 = ioport_list[i].port2;
1197 break;
1198 }
1199 }
1200 if (!sonypi_device.ioport1) {
1201 printk(KERN_ERR "sonypi: request_region failed\n");
1202 ret = -ENODEV;
1203 goto out_reqreg;
1204 }
1205
1206 for (i = 0; irq_list[i].irq; i++) {
1207
1208 sonypi_device.irq = irq_list[i].irq;
1209 sonypi_device.bits = irq_list[i].bits;
1210
1211 if (!request_irq(sonypi_device.irq, sonypi_irq,
1212 SA_SHIRQ, "sonypi", sonypi_irq))
1213 break;
1214 }
1215
1216 if (!irq_list[i].irq) {
1217 printk(KERN_ERR "sonypi: request_irq failed\n");
1218 ret = -ENODEV;
1219 goto out_reqirq;
1220 }
1221
1222 if (useinput) {
1223 /* Initialize the Input Drivers: jogdial */
1224 int i;
1225 sonypi_device.input_jog_dev.evbit[0] =
1226 BIT(EV_KEY) | BIT(EV_REL);
1227 sonypi_device.input_jog_dev.keybit[LONG(BTN_MOUSE)] =
1228 BIT(BTN_MIDDLE);
1229 sonypi_device.input_jog_dev.relbit[0] = BIT(REL_WHEEL);
1230 sonypi_device.input_jog_dev.name =
1231 kmalloc(sizeof(SONYPI_JOG_INPUTNAME), GFP_KERNEL);
1232 if (!sonypi_device.input_jog_dev.name) {
1233 printk(KERN_ERR "sonypi: kmalloc failed\n");
1234 ret = -ENOMEM;
1235 goto out_inkmallocinput1;
1236 }
1237 sprintf(sonypi_device.input_jog_dev.name, SONYPI_JOG_INPUTNAME);
1238 sonypi_device.input_jog_dev.id.bustype = BUS_ISA;
1239 sonypi_device.input_jog_dev.id.vendor = PCI_VENDOR_ID_SONY;
1240
1241 input_register_device(&sonypi_device.input_jog_dev);
1242 printk(KERN_INFO "%s input method installed.\n",
1243 sonypi_device.input_jog_dev.name);
1244
1245 /* Initialize the Input Drivers: special keys */
1246 sonypi_device.input_key_dev.evbit[0] = BIT(EV_KEY);
1247 for (i = 0; sonypi_inputkeys[i].sonypiev; i++)
1248 if (sonypi_inputkeys[i].inputev)
1249 set_bit(sonypi_inputkeys[i].inputev,
1250 sonypi_device.input_key_dev.keybit);
1251 sonypi_device.input_key_dev.name =
1252 kmalloc(sizeof(SONYPI_KEY_INPUTNAME), GFP_KERNEL);
1253 if (!sonypi_device.input_key_dev.name) {
1254 printk(KERN_ERR "sonypi: kmalloc failed\n");
1255 ret = -ENOMEM;
1256 goto out_inkmallocinput2;
1257 }
1258 sprintf(sonypi_device.input_key_dev.name, SONYPI_KEY_INPUTNAME);
1259 sonypi_device.input_key_dev.id.bustype = BUS_ISA;
1260 sonypi_device.input_key_dev.id.vendor = PCI_VENDOR_ID_SONY;
1261
1262 input_register_device(&sonypi_device.input_key_dev);
1263 printk(KERN_INFO "%s input method installed.\n",
1264 sonypi_device.input_key_dev.name);
1265
1266 spin_lock_init(&sonypi_device.input_fifo_lock);
1267 sonypi_device.input_fifo =
1268 kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
1269 &sonypi_device.input_fifo_lock);
1270 if (IS_ERR(sonypi_device.input_fifo)) {
1271 printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
1272 ret = PTR_ERR(sonypi_device.input_fifo);
1273 goto out_infifo;
1274 }
1275
1276 INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
1277 }
1278
1279 sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
1280 NULL, 0);
1281 if (IS_ERR(sonypi_device.pdev)) {
1282 ret = PTR_ERR(sonypi_device.pdev);
1283 goto out_platformdev;
1284 }
1285
1286 sonypi_enable(0);
1287
1288 printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
1289 "v%s.\n", SONYPI_DRIVER_VERSION);
1290 printk(KERN_INFO "sonypi: detected %s model, "
1291 "verbose = %d, fnkeyinit = %s, camera = %s, "
1292 "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
1293 (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) ?
1294 "type1" : "type2",
1295 verbose,
1296 fnkeyinit ? "on" : "off",
1297 camera ? "on" : "off",
1298 compat ? "on" : "off",
1299 mask,
1300 useinput ? "on" : "off",
1301 SONYPI_ACPI_ACTIVE ? "on" : "off");
1302 printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
1303 sonypi_device.irq,
1304 sonypi_device.ioport1, sonypi_device.ioport2);
1305
1306 if (minor == -1)
1307 printk(KERN_INFO "sonypi: device allocated minor is %d\n",
1308 sonypi_misc_device.minor);
1309
1310 return 0;
1311
1312 out_platformdev:
1313 kfifo_free(sonypi_device.input_fifo);
1314 out_infifo:
1315 input_unregister_device(&sonypi_device.input_key_dev);
1316 kfree(sonypi_device.input_key_dev.name);
1317 out_inkmallocinput2:
1318 input_unregister_device(&sonypi_device.input_jog_dev);
1319 kfree(sonypi_device.input_jog_dev.name);
1320 out_inkmallocinput1:
1321 free_irq(sonypi_device.irq, sonypi_irq);
1322 out_reqirq:
1323 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1324 out_reqreg:
1325 misc_deregister(&sonypi_misc_device);
1326 out_miscreg:
1327 if (pcidev)
1328 pci_disable_device(pcidev);
1329 out_pcienable:
1330 kfifo_free(sonypi_device.fifo);
1331 out_fifo:
1332 pci_dev_put(sonypi_device.dev);
1333 return ret;
1334 }
1335
1336 static void __devexit sonypi_remove(void)
1337 {
1338 sonypi_disable();
1339
1340 platform_device_unregister(sonypi_device.pdev);
1341
1342 if (useinput) {
1343 input_unregister_device(&sonypi_device.input_key_dev);
1344 kfree(sonypi_device.input_key_dev.name);
1345 input_unregister_device(&sonypi_device.input_jog_dev);
1346 kfree(sonypi_device.input_jog_dev.name);
1347 kfifo_free(sonypi_device.input_fifo);
1348 }
1349
1350 free_irq(sonypi_device.irq, sonypi_irq);
1351 release_region(sonypi_device.ioport1, sonypi_device.region_size);
1352 misc_deregister(&sonypi_misc_device);
1353 if (sonypi_device.dev)
1354 pci_disable_device(sonypi_device.dev);
1355 kfifo_free(sonypi_device.fifo);
1356 pci_dev_put(sonypi_device.dev);
1357 printk(KERN_INFO "sonypi: removed.\n");
1358 }
1359
1360 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
1361 {
1362 .ident = "Sony Vaio",
1363 .matches = {
1364 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1365 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
1366 },
1367 },
1368 {
1369 .ident = "Sony Vaio",
1370 .matches = {
1371 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
1372 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
1373 },
1374 },
1375 { }
1376 };
1377
1378 static int __init sonypi_init(void)
1379 {
1380 int ret;
1381
1382 if (!dmi_check_system(sonypi_dmi_table))
1383 return -ENODEV;
1384
1385 ret = driver_register(&sonypi_driver);
1386 if (ret)
1387 return ret;
1388
1389 ret = sonypi_probe();
1390 if (ret)
1391 driver_unregister(&sonypi_driver);
1392
1393 return ret;
1394 }
1395
1396 static void __exit sonypi_exit(void)
1397 {
1398 driver_unregister(&sonypi_driver);
1399 sonypi_remove();
1400 }
1401
1402 module_init(sonypi_init);
1403 module_exit(sonypi_exit);
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