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[ARM] Add fallocate syscall entry
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / misc / sony-laptop.c
blobe73a71f04bb41b26d10b31e4608f8e33adf8ddc6
1 /*
2 * ACPI Sony Notebook Control Driver (SNC and SPIC)
3 *
4 * Copyright (C) 2004-2005 Stelian Pop <stelian@popies.net>
5 * Copyright (C) 2007 Mattia Dongili <malattia@linux.it>
6 *
7 * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c
8 * which are copyrighted by their respective authors.
9 *
10 * The SNY6001 driver part is based on the sonypi driver which includes
11 * material from:
12 *
13 * Copyright (C) 2001-2005 Stelian Pop <stelian@popies.net>
14 *
15 * Copyright (C) 2005 Narayanan R S <nars@kadamba.org>
16 *
17 * Copyright (C) 2001-2002 Alcôve <www.alcove.com>
18 *
19 * Copyright (C) 2001 Michael Ashley <m.ashley@unsw.edu.au>
20 *
21 * Copyright (C) 2001 Junichi Morita <jun1m@mars.dti.ne.jp>
22 *
23 * Copyright (C) 2000 Takaya Kinjo <t-kinjo@tc4.so-net.ne.jp>
24 *
25 * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com>
26 *
27 * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras.
28 *
29 * This program is free software; you can redistribute it and/or modify
30 * it under the terms of the GNU General Public License as published by
31 * the Free Software Foundation; either version 2 of the License, or
32 * (at your option) any later version.
33 *
34 * This program is distributed in the hope that it will be useful,
35 * but WITHOUT ANY WARRANTY; without even the implied warranty of
36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
37 * GNU General Public License for more details.
38 *
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
42 *
43 */
44
45 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/moduleparam.h>
48 #include <linux/init.h>
49 #include <linux/types.h>
50 #include <linux/backlight.h>
51 #include <linux/platform_device.h>
52 #include <linux/err.h>
53 #include <linux/dmi.h>
54 #include <linux/pci.h>
55 #include <linux/interrupt.h>
56 #include <linux/delay.h>
57 #include <linux/input.h>
58 #include <linux/kfifo.h>
59 #include <linux/workqueue.h>
60 #include <linux/acpi.h>
61 #include <acpi/acpi_drivers.h>
62 #include <acpi/acpi_bus.h>
63 #include <asm/uaccess.h>
64 #include <linux/sonypi.h>
65 #include <linux/sony-laptop.h>
66 #ifdef CONFIG_SONYPI_COMPAT
67 #include <linux/poll.h>
68 #include <linux/miscdevice.h>
69 #endif
70
71 #define DRV_PFX "sony-laptop: "
72 #define dprintk(msg...) do { \
73 if (debug) printk(KERN_WARNING DRV_PFX msg); \
74 } while (0)
75
76 #define SONY_LAPTOP_DRIVER_VERSION "0.5"
77
78 #define SONY_NC_CLASS "sony-nc"
79 #define SONY_NC_HID "SNY5001"
80 #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver"
81
82 #define SONY_PIC_CLASS "sony-pic"
83 #define SONY_PIC_HID "SNY6001"
84 #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver"
85
86 MODULE_AUTHOR("Stelian Pop, Mattia Dongili");
87 MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)");
88 MODULE_LICENSE("GPL");
89 MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION);
90
91 static int debug;
92 module_param(debug, int, 0);
93 MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
94 "the development of this driver");
95
96 static int no_spic; /* = 0 */
97 module_param(no_spic, int, 0444);
98 MODULE_PARM_DESC(no_spic,
99 "set this if you don't want to enable the SPIC device");
100
101 static int compat; /* = 0 */
102 module_param(compat, int, 0444);
103 MODULE_PARM_DESC(compat,
104 "set this if you want to enable backward compatibility mode");
105
106 static unsigned long mask = 0xffffffff;
107 module_param(mask, ulong, 0644);
108 MODULE_PARM_DESC(mask,
109 "set this to the mask of event you want to enable (see doc)");
110
111 static int camera; /* = 0 */
112 module_param(camera, int, 0444);
113 MODULE_PARM_DESC(camera,
114 "set this to 1 to enable Motion Eye camera controls "
115 "(only use it if you have a C1VE or C1VN model)");
116
117 #ifdef CONFIG_SONYPI_COMPAT
118 static int minor = -1;
119 module_param(minor, int, 0);
120 MODULE_PARM_DESC(minor,
121 "minor number of the misc device for the SPIC compatibility code, "
122 "default is -1 (automatic)");
123 #endif
124
125 /*********** Input Devices ***********/
126
127 #define SONY_LAPTOP_BUF_SIZE 128
128 struct sony_laptop_input_s {
129 atomic_t users;
130 struct input_dev *jog_dev;
131 struct input_dev *key_dev;
132 struct kfifo *fifo;
133 spinlock_t fifo_lock;
134 struct workqueue_struct *wq;
135 };
136 static struct sony_laptop_input_s sony_laptop_input = {
137 .users = ATOMIC_INIT(0),
138 };
139
140 struct sony_laptop_keypress {
141 struct input_dev *dev;
142 int key;
143 };
144
145 /* Correspondance table between sonypi events
146 * and input layer indexes in the keymap
147 */
148 static int sony_laptop_input_index[] = {
149 -1, /* no event */
150 -1, /* SONYPI_EVENT_JOGDIAL_DOWN */
151 -1, /* SONYPI_EVENT_JOGDIAL_UP */
152 -1, /* SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */
153 -1, /* SONYPI_EVENT_JOGDIAL_UP_PRESSED */
154 -1, /* SONYPI_EVENT_JOGDIAL_PRESSED */
155 -1, /* SONYPI_EVENT_JOGDIAL_RELEASED */
156 0, /* SONYPI_EVENT_CAPTURE_PRESSED */
157 1, /* SONYPI_EVENT_CAPTURE_RELEASED */
158 2, /* SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
159 3, /* SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
160 4, /* SONYPI_EVENT_FNKEY_ESC */
161 5, /* SONYPI_EVENT_FNKEY_F1 */
162 6, /* SONYPI_EVENT_FNKEY_F2 */
163 7, /* SONYPI_EVENT_FNKEY_F3 */
164 8, /* SONYPI_EVENT_FNKEY_F4 */
165 9, /* SONYPI_EVENT_FNKEY_F5 */
166 10, /* SONYPI_EVENT_FNKEY_F6 */
167 11, /* SONYPI_EVENT_FNKEY_F7 */
168 12, /* SONYPI_EVENT_FNKEY_F8 */
169 13, /* SONYPI_EVENT_FNKEY_F9 */
170 14, /* SONYPI_EVENT_FNKEY_F10 */
171 15, /* SONYPI_EVENT_FNKEY_F11 */
172 16, /* SONYPI_EVENT_FNKEY_F12 */
173 17, /* SONYPI_EVENT_FNKEY_1 */
174 18, /* SONYPI_EVENT_FNKEY_2 */
175 19, /* SONYPI_EVENT_FNKEY_D */
176 20, /* SONYPI_EVENT_FNKEY_E */
177 21, /* SONYPI_EVENT_FNKEY_F */
178 22, /* SONYPI_EVENT_FNKEY_S */
179 23, /* SONYPI_EVENT_FNKEY_B */
180 24, /* SONYPI_EVENT_BLUETOOTH_PRESSED */
181 25, /* SONYPI_EVENT_PKEY_P1 */
182 26, /* SONYPI_EVENT_PKEY_P2 */
183 27, /* SONYPI_EVENT_PKEY_P3 */
184 28, /* SONYPI_EVENT_BACK_PRESSED */
185 -1, /* SONYPI_EVENT_LID_CLOSED */
186 -1, /* SONYPI_EVENT_LID_OPENED */
187 29, /* SONYPI_EVENT_BLUETOOTH_ON */
188 30, /* SONYPI_EVENT_BLUETOOTH_OFF */
189 31, /* SONYPI_EVENT_HELP_PRESSED */
190 32, /* SONYPI_EVENT_FNKEY_ONLY */
191 33, /* SONYPI_EVENT_JOGDIAL_FAST_DOWN */
192 34, /* SONYPI_EVENT_JOGDIAL_FAST_UP */
193 35, /* SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
194 36, /* SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
195 37, /* SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
196 38, /* SONYPI_EVENT_JOGDIAL_VFAST_UP */
197 39, /* SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
198 40, /* SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
199 41, /* SONYPI_EVENT_ZOOM_PRESSED */
200 42, /* SONYPI_EVENT_THUMBPHRASE_PRESSED */
201 43, /* SONYPI_EVENT_MEYE_FACE */
202 44, /* SONYPI_EVENT_MEYE_OPPOSITE */
203 45, /* SONYPI_EVENT_MEMORYSTICK_INSERT */
204 46, /* SONYPI_EVENT_MEMORYSTICK_EJECT */
205 -1, /* SONYPI_EVENT_ANYBUTTON_RELEASED */
206 -1, /* SONYPI_EVENT_BATTERY_INSERT */
207 -1, /* SONYPI_EVENT_BATTERY_REMOVE */
208 -1, /* SONYPI_EVENT_FNKEY_RELEASED */
209 47, /* SONYPI_EVENT_WIRELESS_ON */
210 48, /* SONYPI_EVENT_WIRELESS_OFF */
211 };
212
213 static int sony_laptop_input_keycode_map[] = {
214 KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */
215 KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */
216 KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */
217 KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */
218 KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */
219 KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */
220 KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */
221 KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */
222 KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */
223 KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */
224 KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */
225 KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */
226 KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */
227 KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */
228 KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */
229 KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */
230 KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */
231 KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */
232 KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */
233 KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */
234 KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */
235 KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */
236 KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */
237 KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */
238 KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */
239 KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */
240 KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */
241 KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */
242 KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */
243 KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */
244 KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */
245 KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */
246 KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */
247 KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */
248 KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */
249 KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */
250 KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */
251 KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */
252 KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */
253 KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */
254 KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */
255 KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */
256 BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */
257 KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */
258 KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */
259 KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */
260 KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */
261 KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */
262 KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */
263 };
264
265 /* release buttons after a short delay if pressed */
266 static void do_sony_laptop_release_key(struct work_struct *work)
267 {
268 struct sony_laptop_keypress kp;
269
270 while (kfifo_get(sony_laptop_input.fifo, (unsigned char *)&kp,
271 sizeof(kp)) == sizeof(kp)) {
272 msleep(10);
273 input_report_key(kp.dev, kp.key, 0);
274 input_sync(kp.dev);
275 }
276 }
277 static DECLARE_WORK(sony_laptop_release_key_work,
278 do_sony_laptop_release_key);
279
280 /* forward event to the input subsytem */
281 static void sony_laptop_report_input_event(u8 event)
282 {
283 struct input_dev *jog_dev = sony_laptop_input.jog_dev;
284 struct input_dev *key_dev = sony_laptop_input.key_dev;
285 struct sony_laptop_keypress kp = { NULL };
286
287 if (event == SONYPI_EVENT_FNKEY_RELEASED) {
288 /* Nothing, not all VAIOs generate this event */
289 return;
290 }
291
292 /* report events */
293 switch (event) {
294 /* jog_dev events */
295 case SONYPI_EVENT_JOGDIAL_UP:
296 case SONYPI_EVENT_JOGDIAL_UP_PRESSED:
297 input_report_rel(jog_dev, REL_WHEEL, 1);
298 input_sync(jog_dev);
299 return;
300
301 case SONYPI_EVENT_JOGDIAL_DOWN:
302 case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED:
303 input_report_rel(jog_dev, REL_WHEEL, -1);
304 input_sync(jog_dev);
305 return;
306
307 /* key_dev events */
308 case SONYPI_EVENT_JOGDIAL_PRESSED:
309 kp.key = BTN_MIDDLE;
310 kp.dev = jog_dev;
311 break;
312
313 default:
314 if (event > ARRAY_SIZE (sony_laptop_input_keycode_map)) {
315 dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
316 break;
317 }
318 if (sony_laptop_input_index[event] != -1) {
319 kp.key = sony_laptop_input_keycode_map[sony_laptop_input_index[event]];
320 if (kp.key != KEY_UNKNOWN)
321 kp.dev = key_dev;
322 }
323 break;
324 }
325
326 if (kp.dev) {
327 input_report_key(kp.dev, kp.key, 1);
328 /* we emit the scancode so we can always remap the key */
329 input_event(kp.dev, EV_MSC, MSC_SCAN, event);
330 input_sync(kp.dev);
331 kfifo_put(sony_laptop_input.fifo,
332 (unsigned char *)&kp, sizeof(kp));
333
334 if (!work_pending(&sony_laptop_release_key_work))
335 queue_work(sony_laptop_input.wq,
336 &sony_laptop_release_key_work);
337 } else
338 dprintk("unknown input event %.2x\n", event);
339 }
340
341 static int sony_laptop_setup_input(void)
342 {
343 struct input_dev *jog_dev;
344 struct input_dev *key_dev;
345 int i;
346 int error;
347
348 /* don't run again if already initialized */
349 if (atomic_add_return(1, &sony_laptop_input.users) > 1)
350 return 0;
351
352 /* kfifo */
353 spin_lock_init(&sony_laptop_input.fifo_lock);
354 sony_laptop_input.fifo =
355 kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
356 &sony_laptop_input.fifo_lock);
357 if (IS_ERR(sony_laptop_input.fifo)) {
358 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
359 error = PTR_ERR(sony_laptop_input.fifo);
360 goto err_dec_users;
361 }
362
363 /* init workqueue */
364 sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
365 if (!sony_laptop_input.wq) {
366 printk(KERN_ERR DRV_PFX
367 "Unabe to create workqueue.\n");
368 error = -ENXIO;
369 goto err_free_kfifo;
370 }
371
372 /* input keys */
373 key_dev = input_allocate_device();
374 if (!key_dev) {
375 error = -ENOMEM;
376 goto err_destroy_wq;
377 }
378
379 key_dev->name = "Sony Vaio Keys";
380 key_dev->id.bustype = BUS_ISA;
381 key_dev->id.vendor = PCI_VENDOR_ID_SONY;
382
383 /* Initialize the Input Drivers: special keys */
384 set_bit(EV_KEY, key_dev->evbit);
385 set_bit(EV_MSC, key_dev->evbit);
386 set_bit(MSC_SCAN, key_dev->mscbit);
387 key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
388 key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
389 key_dev->keycode = &sony_laptop_input_keycode_map;
390 for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
391 if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
392 set_bit(sony_laptop_input_keycode_map[i],
393 key_dev->keybit);
394 }
395 }
396
397 error = input_register_device(key_dev);
398 if (error)
399 goto err_free_keydev;
400
401 sony_laptop_input.key_dev = key_dev;
402
403 /* jogdial */
404 jog_dev = input_allocate_device();
405 if (!jog_dev) {
406 error = -ENOMEM;
407 goto err_unregister_keydev;
408 }
409
410 jog_dev->name = "Sony Vaio Jogdial";
411 jog_dev->id.bustype = BUS_ISA;
412 jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
413
414 jog_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
415 jog_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_MIDDLE);
416 jog_dev->relbit[0] = BIT(REL_WHEEL);
417
418 error = input_register_device(jog_dev);
419 if (error)
420 goto err_free_jogdev;
421
422 sony_laptop_input.jog_dev = jog_dev;
423
424 return 0;
425
426 err_free_jogdev:
427 input_free_device(jog_dev);
428
429 err_unregister_keydev:
430 input_unregister_device(key_dev);
431 /* to avoid kref underflow below at input_free_device */
432 key_dev = NULL;
433
434 err_free_keydev:
435 input_free_device(key_dev);
436
437 err_destroy_wq:
438 destroy_workqueue(sony_laptop_input.wq);
439
440 err_free_kfifo:
441 kfifo_free(sony_laptop_input.fifo);
442
443 err_dec_users:
444 atomic_dec(&sony_laptop_input.users);
445 return error;
446 }
447
448 static void sony_laptop_remove_input(void)
449 {
450 /* cleanup only after the last user has gone */
451 if (!atomic_dec_and_test(&sony_laptop_input.users))
452 return;
453
454 /* flush workqueue first */
455 flush_workqueue(sony_laptop_input.wq);
456
457 /* destroy input devs */
458 input_unregister_device(sony_laptop_input.key_dev);
459 sony_laptop_input.key_dev = NULL;
460
461 if (sony_laptop_input.jog_dev) {
462 input_unregister_device(sony_laptop_input.jog_dev);
463 sony_laptop_input.jog_dev = NULL;
464 }
465
466 destroy_workqueue(sony_laptop_input.wq);
467 kfifo_free(sony_laptop_input.fifo);
468 }
469
470 /*********** Platform Device ***********/
471
472 static atomic_t sony_pf_users = ATOMIC_INIT(0);
473 static struct platform_driver sony_pf_driver = {
474 .driver = {
475 .name = "sony-laptop",
476 .owner = THIS_MODULE,
477 }
478 };
479 static struct platform_device *sony_pf_device;
480
481 static int sony_pf_add(void)
482 {
483 int ret = 0;
484
485 /* don't run again if already initialized */
486 if (atomic_add_return(1, &sony_pf_users) > 1)
487 return 0;
488
489 ret = platform_driver_register(&sony_pf_driver);
490 if (ret)
491 goto out;
492
493 sony_pf_device = platform_device_alloc("sony-laptop", -1);
494 if (!sony_pf_device) {
495 ret = -ENOMEM;
496 goto out_platform_registered;
497 }
498
499 ret = platform_device_add(sony_pf_device);
500 if (ret)
501 goto out_platform_alloced;
502
503 return 0;
504
505 out_platform_alloced:
506 platform_device_put(sony_pf_device);
507 sony_pf_device = NULL;
508 out_platform_registered:
509 platform_driver_unregister(&sony_pf_driver);
510 out:
511 atomic_dec(&sony_pf_users);
512 return ret;
513 }
514
515 static void sony_pf_remove(void)
516 {
517 /* deregister only after the last user has gone */
518 if (!atomic_dec_and_test(&sony_pf_users))
519 return;
520
521 platform_device_del(sony_pf_device);
522 platform_device_put(sony_pf_device);
523 platform_driver_unregister(&sony_pf_driver);
524 }
525
526 /*********** SNC (SNY5001) Device ***********/
527
528 /* the device uses 1-based values, while the backlight subsystem uses
529 0-based values */
530 #define SONY_MAX_BRIGHTNESS 8
531
532 #define SNC_VALIDATE_IN 0
533 #define SNC_VALIDATE_OUT 1
534
535 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *,
536 char *);
537 static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *,
538 const char *, size_t);
539 static int boolean_validate(const int, const int);
540 static int brightness_default_validate(const int, const int);
541
542 struct sony_nc_value {
543 char *name; /* name of the entry */
544 char **acpiget; /* names of the ACPI get function */
545 char **acpiset; /* names of the ACPI set function */
546 int (*validate)(const int, const int); /* input/output validation */
547 int value; /* current setting */
548 int valid; /* Has ever been set */
549 int debug; /* active only in debug mode ? */
550 struct device_attribute devattr; /* sysfs atribute */
551 };
552
553 #define SNC_HANDLE_NAMES(_name, _values...) \
554 static char *snc_##_name[] = { _values, NULL }
555
556 #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \
557 { \
558 .name = __stringify(_name), \
559 .acpiget = _getters, \
560 .acpiset = _setters, \
561 .validate = _validate, \
562 .debug = _debug, \
563 .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \
564 }
565
566 #define SNC_HANDLE_NULL { .name = NULL }
567
568 SNC_HANDLE_NAMES(fnkey_get, "GHKE");
569
570 SNC_HANDLE_NAMES(brightness_def_get, "GPBR");
571 SNC_HANDLE_NAMES(brightness_def_set, "SPBR");
572
573 SNC_HANDLE_NAMES(cdpower_get, "GCDP");
574 SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW");
575
576 SNC_HANDLE_NAMES(audiopower_get, "GAZP");
577 SNC_HANDLE_NAMES(audiopower_set, "AZPW");
578
579 SNC_HANDLE_NAMES(lanpower_get, "GLNP");
580 SNC_HANDLE_NAMES(lanpower_set, "LNPW");
581
582 SNC_HANDLE_NAMES(lidstate_get, "GLID");
583
584 SNC_HANDLE_NAMES(indicatorlamp_get, "GILS");
585 SNC_HANDLE_NAMES(indicatorlamp_set, "SILS");
586
587 SNC_HANDLE_NAMES(gainbass_get, "GMGB");
588 SNC_HANDLE_NAMES(gainbass_set, "CMGB");
589
590 SNC_HANDLE_NAMES(PID_get, "GPID");
591
592 SNC_HANDLE_NAMES(CTR_get, "GCTR");
593 SNC_HANDLE_NAMES(CTR_set, "SCTR");
594
595 SNC_HANDLE_NAMES(PCR_get, "GPCR");
596 SNC_HANDLE_NAMES(PCR_set, "SPCR");
597
598 SNC_HANDLE_NAMES(CMI_get, "GCMI");
599 SNC_HANDLE_NAMES(CMI_set, "SCMI");
600
601 static struct sony_nc_value sony_nc_values[] = {
602 SNC_HANDLE(brightness_default, snc_brightness_def_get,
603 snc_brightness_def_set, brightness_default_validate, 0),
604 SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0),
605 SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0),
606 SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set,
607 boolean_validate, 0),
608 SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set,
609 boolean_validate, 1),
610 SNC_HANDLE(lidstate, snc_lidstate_get, NULL,
611 boolean_validate, 0),
612 SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set,
613 boolean_validate, 0),
614 SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set,
615 boolean_validate, 0),
616 /* unknown methods */
617 SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1),
618 SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1),
619 SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1),
620 SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1),
621 SNC_HANDLE_NULL
622 };
623
624 static acpi_handle sony_nc_acpi_handle;
625 static struct acpi_device *sony_nc_acpi_device = NULL;
626
627 /*
628 * acpi_evaluate_object wrappers
629 */
630 static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
631 {
632 struct acpi_buffer output;
633 union acpi_object out_obj;
634 acpi_status status;
635
636 output.length = sizeof(out_obj);
637 output.pointer = &out_obj;
638
639 status = acpi_evaluate_object(handle, name, NULL, &output);
640 if ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)) {
641 *result = out_obj.integer.value;
642 return 0;
643 }
644
645 printk(KERN_WARNING DRV_PFX "acpi_callreadfunc failed\n");
646
647 return -1;
648 }
649
650 static int acpi_callsetfunc(acpi_handle handle, char *name, int value,
651 int *result)
652 {
653 struct acpi_object_list params;
654 union acpi_object in_obj;
655 struct acpi_buffer output;
656 union acpi_object out_obj;
657 acpi_status status;
658
659 params.count = 1;
660 params.pointer = &in_obj;
661 in_obj.type = ACPI_TYPE_INTEGER;
662 in_obj.integer.value = value;
663
664 output.length = sizeof(out_obj);
665 output.pointer = &out_obj;
666
667 status = acpi_evaluate_object(handle, name, &params, &output);
668 if (status == AE_OK) {
669 if (result != NULL) {
670 if (out_obj.type != ACPI_TYPE_INTEGER) {
671 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object bad "
672 "return type\n");
673 return -1;
674 }
675 *result = out_obj.integer.value;
676 }
677 return 0;
678 }
679
680 printk(KERN_WARNING DRV_PFX "acpi_evaluate_object failed\n");
681
682 return -1;
683 }
684
685 /*
686 * sony_nc_values input/output validate functions
687 */
688
689 /* brightness_default_validate:
690 *
691 * manipulate input output values to keep consistency with the
692 * backlight framework for which brightness values are 0-based.
693 */
694 static int brightness_default_validate(const int direction, const int value)
695 {
696 switch (direction) {
697 case SNC_VALIDATE_OUT:
698 return value - 1;
699 case SNC_VALIDATE_IN:
700 if (value >= 0 && value < SONY_MAX_BRIGHTNESS)
701 return value + 1;
702 }
703 return -EINVAL;
704 }
705
706 /* boolean_validate:
707 *
708 * on input validate boolean values 0/1, on output just pass the
709 * received value.
710 */
711 static int boolean_validate(const int direction, const int value)
712 {
713 if (direction == SNC_VALIDATE_IN) {
714 if (value != 0 && value != 1)
715 return -EINVAL;
716 }
717 return value;
718 }
719
720 /*
721 * Sysfs show/store common to all sony_nc_values
722 */
723 static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr,
724 char *buffer)
725 {
726 int value;
727 struct sony_nc_value *item =
728 container_of(attr, struct sony_nc_value, devattr);
729
730 if (!*item->acpiget)
731 return -EIO;
732
733 if (acpi_callgetfunc(sony_nc_acpi_handle, *item->acpiget, &value) < 0)
734 return -EIO;
735
736 if (item->validate)
737 value = item->validate(SNC_VALIDATE_OUT, value);
738
739 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
740 }
741
742 static ssize_t sony_nc_sysfs_store(struct device *dev,
743 struct device_attribute *attr,
744 const char *buffer, size_t count)
745 {
746 int value;
747 struct sony_nc_value *item =
748 container_of(attr, struct sony_nc_value, devattr);
749
750 if (!item->acpiset)
751 return -EIO;
752
753 if (count > 31)
754 return -EINVAL;
755
756 value = simple_strtoul(buffer, NULL, 10);
757
758 if (item->validate)
759 value = item->validate(SNC_VALIDATE_IN, value);
760
761 if (value < 0)
762 return value;
763
764 if (acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset, value, NULL) < 0)
765 return -EIO;
766 item->value = value;
767 item->valid = 1;
768 return count;
769 }
770
771
772 /*
773 * Backlight device
774 */
775 static int sony_backlight_update_status(struct backlight_device *bd)
776 {
777 return acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
778 bd->props.brightness + 1, NULL);
779 }
780
781 static int sony_backlight_get_brightness(struct backlight_device *bd)
782 {
783 int value;
784
785 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value))
786 return 0;
787 /* brightness levels are 1-based, while backlight ones are 0-based */
788 return value - 1;
789 }
790
791 static struct backlight_device *sony_backlight_device;
792 static struct backlight_ops sony_backlight_ops = {
793 .update_status = sony_backlight_update_status,
794 .get_brightness = sony_backlight_get_brightness,
795 };
796
797 /*
798 * New SNC-only Vaios event mapping to driver known keys
799 */
800 struct sony_nc_event {
801 u8 data;
802 u8 event;
803 };
804
805 static struct sony_nc_event *sony_nc_events;
806
807 /* Vaio C* --maybe also FE*, N* and AR* ?-- special init sequence
808 * for Fn keys
809 */
810 static int sony_nc_C_enable(const struct dmi_system_id *id)
811 {
812 int result = 0;
813
814 printk(KERN_NOTICE DRV_PFX "detected %s\n", id->ident);
815
816 sony_nc_events = id->driver_data;
817
818 if (acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x4, &result) < 0
819 || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x2, &result) < 0
820 || acpi_callsetfunc(sony_nc_acpi_handle, "SN02", 0x10, &result) < 0
821 || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x0, &result) < 0
822 || acpi_callsetfunc(sony_nc_acpi_handle, "SN03", 0x2, &result) < 0
823 || acpi_callsetfunc(sony_nc_acpi_handle, "SN07", 0x101, &result) < 0) {
824 printk(KERN_WARNING DRV_PFX "failed to initialize SNC, some "
825 "functionalities may be missing\n");
826 return 1;
827 }
828 return 0;
829 }
830
831 static struct sony_nc_event sony_C_events[] = {
832 { 0x81, SONYPI_EVENT_FNKEY_F1 },
833 { 0x01, SONYPI_EVENT_FNKEY_RELEASED },
834 { 0x85, SONYPI_EVENT_FNKEY_F5 },
835 { 0x05, SONYPI_EVENT_FNKEY_RELEASED },
836 { 0x86, SONYPI_EVENT_FNKEY_F6 },
837 { 0x06, SONYPI_EVENT_FNKEY_RELEASED },
838 { 0x87, SONYPI_EVENT_FNKEY_F7 },
839 { 0x07, SONYPI_EVENT_FNKEY_RELEASED },
840 { 0x8A, SONYPI_EVENT_FNKEY_F10 },
841 { 0x0A, SONYPI_EVENT_FNKEY_RELEASED },
842 { 0x8C, SONYPI_EVENT_FNKEY_F12 },
843 { 0x0C, SONYPI_EVENT_FNKEY_RELEASED },
844 { 0, 0 },
845 };
846
847 /* SNC-only model map */
848 static const struct dmi_system_id sony_nc_ids[] = {
849 {
850 .ident = "Sony Vaio FE Series",
851 .callback = sony_nc_C_enable,
852 .driver_data = sony_C_events,
853 .matches = {
854 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
855 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FE"),
856 },
857 },
858 {
859 .ident = "Sony Vaio FZ Series",
860 .callback = sony_nc_C_enable,
861 .driver_data = sony_C_events,
862 .matches = {
863 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
864 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ"),
865 },
866 },
867 {
868 .ident = "Sony Vaio C Series",
869 .callback = sony_nc_C_enable,
870 .driver_data = sony_C_events,
871 .matches = {
872 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
873 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-C"),
874 },
875 },
876 { }
877 };
878
879 /*
880 * ACPI callbacks
881 */
882 static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
883 {
884 struct sony_nc_event *evmap;
885 u32 ev = event;
886 int result;
887
888 if (ev == 0x92) {
889 /* read the key pressed from EC.GECR
890 * A call to SN07 with 0x0202 will do it as well respecting
891 * the current protocol on different OSes
892 *
893 * Note: the path for GECR may be
894 * \_SB.PCI0.LPCB.EC (C, FE, AR, N and friends)
895 * \_SB.PCI0.PIB.EC0 (VGN-FR notifications are sent directly, no GECR)
896 *
897 * TODO: we may want to do the same for the older GHKE -need
898 * dmi list- so this snippet may become one more callback.
899 */
900 if (acpi_callsetfunc(handle, "SN07", 0x0202, &result) < 0)
901 dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev);
902 else
903 ev = result & 0xFF;
904 }
905
906 if (sony_nc_events)
907 for (evmap = sony_nc_events; evmap->event; evmap++) {
908 if (evmap->data == ev) {
909 ev = evmap->event;
910 break;
911 }
912 }
913
914 dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
915 sony_laptop_report_input_event(ev);
916 acpi_bus_generate_proc_event(sony_nc_acpi_device, 1, ev);
917 }
918
919 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
920 void *context, void **return_value)
921 {
922 struct acpi_namespace_node *node;
923 union acpi_operand_object *operand;
924
925 node = (struct acpi_namespace_node *)handle;
926 operand = (union acpi_operand_object *)node->object;
927
928 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", node->name.ascii,
929 (u32) operand->method.param_count);
930
931 return AE_OK;
932 }
933
934 /*
935 * ACPI device
936 */
937 static int sony_nc_resume(struct acpi_device *device)
938 {
939 struct sony_nc_value *item;
940
941 for (item = sony_nc_values; item->name; item++) {
942 int ret;
943
944 if (!item->valid)
945 continue;
946 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
947 item->value, NULL);
948 if (ret < 0) {
949 printk("%s: %d\n", __FUNCTION__, ret);
950 break;
951 }
952 }
953
954 /* set the last requested brightness level */
955 if (sony_backlight_device &&
956 !sony_backlight_update_status(sony_backlight_device))
957 printk(KERN_WARNING DRV_PFX "unable to restore brightness level");
958
959 /* re-initialize models with specific requirements */
960 dmi_check_system(sony_nc_ids);
961
962 return 0;
963 }
964
965 static int sony_nc_add(struct acpi_device *device)
966 {
967 acpi_status status;
968 int result = 0;
969 acpi_handle handle;
970 struct sony_nc_value *item;
971
972 printk(KERN_INFO DRV_PFX "%s v%s.\n",
973 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
974
975 sony_nc_acpi_device = device;
976 strcpy(acpi_device_class(device), "sony/hotkey");
977
978 sony_nc_acpi_handle = device->handle;
979
980 /* read device status */
981 result = acpi_bus_get_status(device);
982 /* bail IFF the above call was successful and the device is not present */
983 if (!result && !device->status.present) {
984 dprintk("Device not present\n");
985 result = -ENODEV;
986 goto outwalk;
987 }
988
989 if (debug) {
990 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
991 1, sony_walk_callback, NULL, NULL);
992 if (ACPI_FAILURE(status)) {
993 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
994 result = -ENODEV;
995 goto outwalk;
996 }
997 }
998
999 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
1000 * should be respected as we already checked for the device presence above */
1001 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
1002 dprintk("Invoking _INI\n");
1003 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
1004 NULL, NULL)))
1005 dprintk("_INI Method failed\n");
1006 }
1007
1008 /* setup input devices and helper fifo */
1009 result = sony_laptop_setup_input();
1010 if (result) {
1011 printk(KERN_ERR DRV_PFX
1012 "Unabe to create input devices.\n");
1013 goto outwalk;
1014 }
1015
1016 status = acpi_install_notify_handler(sony_nc_acpi_handle,
1017 ACPI_DEVICE_NOTIFY,
1018 sony_acpi_notify, NULL);
1019 if (ACPI_FAILURE(status)) {
1020 printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
1021 result = -ENODEV;
1022 goto outinput;
1023 }
1024
1025 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) {
1026 sony_backlight_device = backlight_device_register("sony", NULL,
1027 NULL,
1028 &sony_backlight_ops);
1029
1030 if (IS_ERR(sony_backlight_device)) {
1031 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1032 sony_backlight_device = NULL;
1033 } else {
1034 sony_backlight_device->props.brightness =
1035 sony_backlight_get_brightness
1036 (sony_backlight_device);
1037 sony_backlight_device->props.max_brightness =
1038 SONY_MAX_BRIGHTNESS - 1;
1039 }
1040
1041 }
1042
1043 /* initialize models with specific requirements */
1044 dmi_check_system(sony_nc_ids);
1045
1046 result = sony_pf_add();
1047 if (result)
1048 goto outbacklight;
1049
1050 /* create sony_pf sysfs attributes related to the SNC device */
1051 for (item = sony_nc_values; item->name; ++item) {
1052
1053 if (!debug && item->debug)
1054 continue;
1055
1056 /* find the available acpiget as described in the DSDT */
1057 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1058 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1059 *item->acpiget,
1060 &handle))) {
1061 dprintk("Found %s getter: %s\n",
1062 item->name, *item->acpiget);
1063 item->devattr.attr.mode |= S_IRUGO;
1064 break;
1065 }
1066 }
1067
1068 /* find the available acpiset as described in the DSDT */
1069 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1070 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1071 *item->acpiset,
1072 &handle))) {
1073 dprintk("Found %s setter: %s\n",
1074 item->name, *item->acpiset);
1075 item->devattr.attr.mode |= S_IWUSR;
1076 break;
1077 }
1078 }
1079
1080 if (item->devattr.attr.mode != 0) {
1081 result =
1082 device_create_file(&sony_pf_device->dev,
1083 &item->devattr);
1084 if (result)
1085 goto out_sysfs;
1086 }
1087 }
1088
1089 return 0;
1090
1091 out_sysfs:
1092 for (item = sony_nc_values; item->name; ++item) {
1093 device_remove_file(&sony_pf_device->dev, &item->devattr);
1094 }
1095 sony_pf_remove();
1096
1097 outbacklight:
1098 if (sony_backlight_device)
1099 backlight_device_unregister(sony_backlight_device);
1100
1101 status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1102 ACPI_DEVICE_NOTIFY,
1103 sony_acpi_notify);
1104 if (ACPI_FAILURE(status))
1105 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1106
1107 outinput:
1108 sony_laptop_remove_input();
1109
1110 outwalk:
1111 return result;
1112 }
1113
1114 static int sony_nc_remove(struct acpi_device *device, int type)
1115 {
1116 acpi_status status;
1117 struct sony_nc_value *item;
1118
1119 if (sony_backlight_device)
1120 backlight_device_unregister(sony_backlight_device);
1121
1122 sony_nc_acpi_device = NULL;
1123
1124 status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1125 ACPI_DEVICE_NOTIFY,
1126 sony_acpi_notify);
1127 if (ACPI_FAILURE(status))
1128 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1129
1130 for (item = sony_nc_values; item->name; ++item) {
1131 device_remove_file(&sony_pf_device->dev, &item->devattr);
1132 }
1133
1134 sony_pf_remove();
1135 sony_laptop_remove_input();
1136 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1137
1138 return 0;
1139 }
1140
1141 static const struct acpi_device_id sony_device_ids[] = {
1142 {SONY_NC_HID, 0},
1143 {SONY_PIC_HID, 0},
1144 {"", 0},
1145 };
1146 MODULE_DEVICE_TABLE(acpi, sony_device_ids);
1147
1148 static const struct acpi_device_id sony_nc_device_ids[] = {
1149 {SONY_NC_HID, 0},
1150 {"", 0},
1151 };
1152
1153 static struct acpi_driver sony_nc_driver = {
1154 .name = SONY_NC_DRIVER_NAME,
1155 .class = SONY_NC_CLASS,
1156 .ids = sony_nc_device_ids,
1157 .owner = THIS_MODULE,
1158 .ops = {
1159 .add = sony_nc_add,
1160 .remove = sony_nc_remove,
1161 .resume = sony_nc_resume,
1162 },
1163 };
1164
1165 /*********** SPIC (SNY6001) Device ***********/
1166
1167 #define SONYPI_DEVICE_TYPE1 0x00000001
1168 #define SONYPI_DEVICE_TYPE2 0x00000002
1169 #define SONYPI_DEVICE_TYPE3 0x00000004
1170
1171 #define SONYPI_TYPE1_OFFSET 0x04
1172 #define SONYPI_TYPE2_OFFSET 0x12
1173 #define SONYPI_TYPE3_OFFSET 0x12
1174
1175 struct sony_pic_ioport {
1176 struct acpi_resource_io io;
1177 struct list_head list;
1178 };
1179
1180 struct sony_pic_irq {
1181 struct acpi_resource_irq irq;
1182 struct list_head list;
1183 };
1184
1185 struct sony_pic_dev {
1186 int model;
1187 u16 evport_offset;
1188 u8 camera_power;
1189 u8 bluetooth_power;
1190 u8 wwan_power;
1191 struct acpi_device *acpi_dev;
1192 struct sony_pic_irq *cur_irq;
1193 struct sony_pic_ioport *cur_ioport;
1194 struct list_head interrupts;
1195 struct list_head ioports;
1196 struct mutex lock;
1197 };
1198
1199 static struct sony_pic_dev spic_dev = {
1200 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1201 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1202 };
1203
1204 /* Event masks */
1205 #define SONYPI_JOGGER_MASK 0x00000001
1206 #define SONYPI_CAPTURE_MASK 0x00000002
1207 #define SONYPI_FNKEY_MASK 0x00000004
1208 #define SONYPI_BLUETOOTH_MASK 0x00000008
1209 #define SONYPI_PKEY_MASK 0x00000010
1210 #define SONYPI_BACK_MASK 0x00000020
1211 #define SONYPI_HELP_MASK 0x00000040
1212 #define SONYPI_LID_MASK 0x00000080
1213 #define SONYPI_ZOOM_MASK 0x00000100
1214 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1215 #define SONYPI_MEYE_MASK 0x00000400
1216 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1217 #define SONYPI_BATTERY_MASK 0x00001000
1218 #define SONYPI_WIRELESS_MASK 0x00002000
1219
1220 struct sonypi_event {
1221 u8 data;
1222 u8 event;
1223 };
1224
1225 /* The set of possible button release events */
1226 static struct sonypi_event sonypi_releaseev[] = {
1227 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1228 { 0, 0 }
1229 };
1230
1231 /* The set of possible jogger events */
1232 static struct sonypi_event sonypi_joggerev[] = {
1233 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1234 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1235 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1236 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1237 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1238 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1239 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1240 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1241 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1242 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1243 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1244 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1245 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1246 { 0, 0 }
1247 };
1248
1249 /* The set of possible capture button events */
1250 static struct sonypi_event sonypi_captureev[] = {
1251 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1252 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1253 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1254 { 0, 0 }
1255 };
1256
1257 /* The set of possible fnkeys events */
1258 static struct sonypi_event sonypi_fnkeyev[] = {
1259 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1260 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1261 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1262 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1263 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1264 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1265 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1266 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1267 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1268 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1269 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1270 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1271 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1272 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1273 { 0x21, SONYPI_EVENT_FNKEY_1 },
1274 { 0x22, SONYPI_EVENT_FNKEY_2 },
1275 { 0x31, SONYPI_EVENT_FNKEY_D },
1276 { 0x32, SONYPI_EVENT_FNKEY_E },
1277 { 0x33, SONYPI_EVENT_FNKEY_F },
1278 { 0x34, SONYPI_EVENT_FNKEY_S },
1279 { 0x35, SONYPI_EVENT_FNKEY_B },
1280 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1281 { 0, 0 }
1282 };
1283
1284 /* The set of possible program key events */
1285 static struct sonypi_event sonypi_pkeyev[] = {
1286 { 0x01, SONYPI_EVENT_PKEY_P1 },
1287 { 0x02, SONYPI_EVENT_PKEY_P2 },
1288 { 0x04, SONYPI_EVENT_PKEY_P3 },
1289 { 0x5c, SONYPI_EVENT_PKEY_P1 },
1290 { 0, 0 }
1291 };
1292
1293 /* The set of possible bluetooth events */
1294 static struct sonypi_event sonypi_blueev[] = {
1295 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1296 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1297 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1298 { 0, 0 }
1299 };
1300
1301 /* The set of possible wireless events */
1302 static struct sonypi_event sonypi_wlessev[] = {
1303 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1304 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1305 { 0, 0 }
1306 };
1307
1308 /* The set of possible back button events */
1309 static struct sonypi_event sonypi_backev[] = {
1310 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1311 { 0, 0 }
1312 };
1313
1314 /* The set of possible help button events */
1315 static struct sonypi_event sonypi_helpev[] = {
1316 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1317 { 0, 0 }
1318 };
1319
1320
1321 /* The set of possible lid events */
1322 static struct sonypi_event sonypi_lidev[] = {
1323 { 0x51, SONYPI_EVENT_LID_CLOSED },
1324 { 0x50, SONYPI_EVENT_LID_OPENED },
1325 { 0, 0 }
1326 };
1327
1328 /* The set of possible zoom events */
1329 static struct sonypi_event sonypi_zoomev[] = {
1330 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1331 { 0, 0 }
1332 };
1333
1334 /* The set of possible thumbphrase events */
1335 static struct sonypi_event sonypi_thumbphraseev[] = {
1336 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1337 { 0, 0 }
1338 };
1339
1340 /* The set of possible motioneye camera events */
1341 static struct sonypi_event sonypi_meyeev[] = {
1342 { 0x00, SONYPI_EVENT_MEYE_FACE },
1343 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1344 { 0, 0 }
1345 };
1346
1347 /* The set of possible memorystick events */
1348 static struct sonypi_event sonypi_memorystickev[] = {
1349 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1350 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1351 { 0, 0 }
1352 };
1353
1354 /* The set of possible battery events */
1355 static struct sonypi_event sonypi_batteryev[] = {
1356 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1357 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1358 { 0, 0 }
1359 };
1360
1361 static struct sonypi_eventtypes {
1362 int model;
1363 u8 data;
1364 unsigned long mask;
1365 struct sonypi_event * events;
1366 } sony_pic_eventtypes[] = {
1367 { SONYPI_DEVICE_TYPE1, 0, 0xffffffff, sonypi_releaseev },
1368 { SONYPI_DEVICE_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1369 { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
1370 { SONYPI_DEVICE_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1371 { SONYPI_DEVICE_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1372 { SONYPI_DEVICE_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1373 { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1374 { SONYPI_DEVICE_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1375 { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1376 { SONYPI_DEVICE_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1377
1378 { SONYPI_DEVICE_TYPE2, 0, 0xffffffff, sonypi_releaseev },
1379 { SONYPI_DEVICE_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
1380 { SONYPI_DEVICE_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1381 { SONYPI_DEVICE_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1382 { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1383 { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1384 { SONYPI_DEVICE_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1385 { SONYPI_DEVICE_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
1386 { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1387 { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1388 { SONYPI_DEVICE_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1389 { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1390 { SONYPI_DEVICE_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1391 { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1392
1393 { SONYPI_DEVICE_TYPE3, 0, 0xffffffff, sonypi_releaseev },
1394 { SONYPI_DEVICE_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1395 { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1396 { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1397 { SONYPI_DEVICE_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1398 { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1399 { 0 }
1400 };
1401
1402 static int sony_pic_detect_device_type(void)
1403 {
1404 struct pci_dev *pcidev;
1405 int model = 0;
1406
1407 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1408 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1409 model = SONYPI_DEVICE_TYPE1;
1410
1411 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1412 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1413 model = SONYPI_DEVICE_TYPE3;
1414
1415 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1416 PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1417 model = SONYPI_DEVICE_TYPE3;
1418
1419 else
1420 model = SONYPI_DEVICE_TYPE2;
1421
1422 if (pcidev)
1423 pci_dev_put(pcidev);
1424
1425 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1426 model == SONYPI_DEVICE_TYPE1 ? 1 :
1427 model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1428 return model;
1429 }
1430
1431 #define ITERATIONS_LONG 10000
1432 #define ITERATIONS_SHORT 10
1433 #define wait_on_command(command, iterations) { \
1434 unsigned int n = iterations; \
1435 while (--n && (command)) \
1436 udelay(1); \
1437 if (!n) \
1438 dprintk("command failed at %s : %s (line %d)\n", \
1439 __FILE__, __FUNCTION__, __LINE__); \
1440 }
1441
1442 static u8 sony_pic_call1(u8 dev)
1443 {
1444 u8 v1, v2;
1445
1446 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
1447 ITERATIONS_LONG);
1448 outb(dev, spic_dev.cur_ioport->io.minimum + 4);
1449 v1 = inb_p(spic_dev.cur_ioport->io.minimum + 4);
1450 v2 = inb_p(spic_dev.cur_ioport->io.minimum);
1451 dprintk("sony_pic_call1: 0x%.4x\n", (v2 << 8) | v1);
1452 return v2;
1453 }
1454
1455 static u8 sony_pic_call2(u8 dev, u8 fn)
1456 {
1457 u8 v1;
1458
1459 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
1460 ITERATIONS_LONG);
1461 outb(dev, spic_dev.cur_ioport->io.minimum + 4);
1462 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
1463 ITERATIONS_LONG);
1464 outb(fn, spic_dev.cur_ioport->io.minimum);
1465 v1 = inb_p(spic_dev.cur_ioport->io.minimum);
1466 dprintk("sony_pic_call2: 0x%.4x\n", v1);
1467 return v1;
1468 }
1469
1470 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1471 {
1472 u8 v1;
1473
1474 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
1475 outb(dev, spic_dev.cur_ioport->io.minimum + 4);
1476 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
1477 outb(fn, spic_dev.cur_ioport->io.minimum);
1478 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
1479 outb(v, spic_dev.cur_ioport->io.minimum);
1480 v1 = inb_p(spic_dev.cur_ioport->io.minimum);
1481 dprintk("sony_pic_call3: 0x%.4x\n", v1);
1482 return v1;
1483 }
1484
1485 /* camera tests and poweron/poweroff */
1486 #define SONYPI_CAMERA_PICTURE 5
1487 #define SONYPI_CAMERA_CONTROL 0x10
1488
1489 #define SONYPI_CAMERA_BRIGHTNESS 0
1490 #define SONYPI_CAMERA_CONTRAST 1
1491 #define SONYPI_CAMERA_HUE 2
1492 #define SONYPI_CAMERA_COLOR 3
1493 #define SONYPI_CAMERA_SHARPNESS 4
1494
1495 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1496 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1497 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1498 #define SONYPI_CAMERA_MUTE_MASK 0x40
1499
1500 /* the rest don't need a loop until not 0xff */
1501 #define SONYPI_CAMERA_AGC 6
1502 #define SONYPI_CAMERA_AGC_MASK 0x30
1503 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1504
1505 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1506 #define SONYPI_CAMERA_CONTROL 0x10
1507
1508 #define SONYPI_CAMERA_STATUS 7
1509 #define SONYPI_CAMERA_STATUS_READY 0x2
1510 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1511
1512 #define SONYPI_DIRECTION_BACKWARDS 0x4
1513
1514 #define SONYPI_CAMERA_REVISION 8
1515 #define SONYPI_CAMERA_ROMVERSION 9
1516
1517 static int __sony_pic_camera_ready(void)
1518 {
1519 u8 v;
1520
1521 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1522 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1523 }
1524
1525 static int __sony_pic_camera_off(void)
1526 {
1527 if (!camera) {
1528 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1529 return -ENODEV;
1530 }
1531
1532 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1533 SONYPI_CAMERA_MUTE_MASK),
1534 ITERATIONS_SHORT);
1535
1536 if (spic_dev.camera_power) {
1537 sony_pic_call2(0x91, 0);
1538 spic_dev.camera_power = 0;
1539 }
1540 return 0;
1541 }
1542
1543 static int __sony_pic_camera_on(void)
1544 {
1545 int i, j, x;
1546
1547 if (!camera) {
1548 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1549 return -ENODEV;
1550 }
1551
1552 if (spic_dev.camera_power)
1553 return 0;
1554
1555 for (j = 5; j > 0; j--) {
1556
1557 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1558 msleep(10);
1559 sony_pic_call1(0x93);
1560
1561 for (i = 400; i > 0; i--) {
1562 if (__sony_pic_camera_ready())
1563 break;
1564 msleep(10);
1565 }
1566 if (i)
1567 break;
1568 }
1569
1570 if (j == 0) {
1571 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1572 return -ENODEV;
1573 }
1574
1575 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1576 0x5a),
1577 ITERATIONS_SHORT);
1578
1579 spic_dev.camera_power = 1;
1580 return 0;
1581 }
1582
1583 /* External camera command (exported to the motion eye v4l driver) */
1584 int sony_pic_camera_command(int command, u8 value)
1585 {
1586 if (!camera)
1587 return -EIO;
1588
1589 mutex_lock(&spic_dev.lock);
1590
1591 switch (command) {
1592 case SONY_PIC_COMMAND_SETCAMERA:
1593 if (value)
1594 __sony_pic_camera_on();
1595 else
1596 __sony_pic_camera_off();
1597 break;
1598 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1599 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1600 ITERATIONS_SHORT);
1601 break;
1602 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1603 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1604 ITERATIONS_SHORT);
1605 break;
1606 case SONY_PIC_COMMAND_SETCAMERAHUE:
1607 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1608 ITERATIONS_SHORT);
1609 break;
1610 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1611 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1612 ITERATIONS_SHORT);
1613 break;
1614 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1615 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1616 ITERATIONS_SHORT);
1617 break;
1618 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1619 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1620 ITERATIONS_SHORT);
1621 break;
1622 case SONY_PIC_COMMAND_SETCAMERAAGC:
1623 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1624 ITERATIONS_SHORT);
1625 break;
1626 default:
1627 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1628 command);
1629 break;
1630 }
1631 mutex_unlock(&spic_dev.lock);
1632 return 0;
1633 }
1634 EXPORT_SYMBOL(sony_pic_camera_command);
1635
1636 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1637 static void sony_pic_set_wwanpower(u8 state)
1638 {
1639 state = !!state;
1640 mutex_lock(&spic_dev.lock);
1641 if (spic_dev.wwan_power == state) {
1642 mutex_unlock(&spic_dev.lock);
1643 return;
1644 }
1645 sony_pic_call2(0xB0, state);
1646 spic_dev.wwan_power = state;
1647 mutex_unlock(&spic_dev.lock);
1648 }
1649
1650 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1651 struct device_attribute *attr,
1652 const char *buffer, size_t count)
1653 {
1654 unsigned long value;
1655 if (count > 31)
1656 return -EINVAL;
1657
1658 value = simple_strtoul(buffer, NULL, 10);
1659 sony_pic_set_wwanpower(value);
1660
1661 return count;
1662 }
1663
1664 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1665 struct device_attribute *attr, char *buffer)
1666 {
1667 ssize_t count;
1668 mutex_lock(&spic_dev.lock);
1669 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1670 mutex_unlock(&spic_dev.lock);
1671 return count;
1672 }
1673
1674 /* bluetooth subsystem power state */
1675 static void __sony_pic_set_bluetoothpower(u8 state)
1676 {
1677 state = !!state;
1678 if (spic_dev.bluetooth_power == state)
1679 return;
1680 sony_pic_call2(0x96, state);
1681 sony_pic_call1(0x82);
1682 spic_dev.bluetooth_power = state;
1683 }
1684
1685 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1686 struct device_attribute *attr,
1687 const char *buffer, size_t count)
1688 {
1689 unsigned long value;
1690 if (count > 31)
1691 return -EINVAL;
1692
1693 value = simple_strtoul(buffer, NULL, 10);
1694 mutex_lock(&spic_dev.lock);
1695 __sony_pic_set_bluetoothpower(value);
1696 mutex_unlock(&spic_dev.lock);
1697
1698 return count;
1699 }
1700
1701 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
1702 struct device_attribute *attr, char *buffer)
1703 {
1704 ssize_t count = 0;
1705 mutex_lock(&spic_dev.lock);
1706 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
1707 mutex_unlock(&spic_dev.lock);
1708 return count;
1709 }
1710
1711 /* fan speed */
1712 /* FAN0 information (reverse engineered from ACPI tables) */
1713 #define SONY_PIC_FAN0_STATUS 0x93
1714 static int sony_pic_set_fanspeed(unsigned long value)
1715 {
1716 return ec_write(SONY_PIC_FAN0_STATUS, value);
1717 }
1718
1719 static int sony_pic_get_fanspeed(u8 *value)
1720 {
1721 return ec_read(SONY_PIC_FAN0_STATUS, value);
1722 }
1723
1724 static ssize_t sony_pic_fanspeed_store(struct device *dev,
1725 struct device_attribute *attr,
1726 const char *buffer, size_t count)
1727 {
1728 unsigned long value;
1729 if (count > 31)
1730 return -EINVAL;
1731
1732 value = simple_strtoul(buffer, NULL, 10);
1733 if (sony_pic_set_fanspeed(value))
1734 return -EIO;
1735
1736 return count;
1737 }
1738
1739 static ssize_t sony_pic_fanspeed_show(struct device *dev,
1740 struct device_attribute *attr, char *buffer)
1741 {
1742 u8 value = 0;
1743 if (sony_pic_get_fanspeed(&value))
1744 return -EIO;
1745
1746 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
1747 }
1748
1749 #define SPIC_ATTR(_name, _mode) \
1750 struct device_attribute spic_attr_##_name = __ATTR(_name, \
1751 _mode, sony_pic_## _name ##_show, \
1752 sony_pic_## _name ##_store)
1753
1754 static SPIC_ATTR(bluetoothpower, 0644);
1755 static SPIC_ATTR(wwanpower, 0644);
1756 static SPIC_ATTR(fanspeed, 0644);
1757
1758 static struct attribute *spic_attributes[] = {
1759 &spic_attr_bluetoothpower.attr,
1760 &spic_attr_wwanpower.attr,
1761 &spic_attr_fanspeed.attr,
1762 NULL
1763 };
1764
1765 static struct attribute_group spic_attribute_group = {
1766 .attrs = spic_attributes
1767 };
1768
1769 /******** SONYPI compatibility **********/
1770 #ifdef CONFIG_SONYPI_COMPAT
1771
1772 /* battery / brightness / temperature addresses */
1773 #define SONYPI_BAT_FLAGS 0x81
1774 #define SONYPI_LCD_LIGHT 0x96
1775 #define SONYPI_BAT1_PCTRM 0xa0
1776 #define SONYPI_BAT1_LEFT 0xa2
1777 #define SONYPI_BAT1_MAXRT 0xa4
1778 #define SONYPI_BAT2_PCTRM 0xa8
1779 #define SONYPI_BAT2_LEFT 0xaa
1780 #define SONYPI_BAT2_MAXRT 0xac
1781 #define SONYPI_BAT1_MAXTK 0xb0
1782 #define SONYPI_BAT1_FULL 0xb2
1783 #define SONYPI_BAT2_MAXTK 0xb8
1784 #define SONYPI_BAT2_FULL 0xba
1785 #define SONYPI_TEMP_STATUS 0xC1
1786
1787 struct sonypi_compat_s {
1788 struct fasync_struct *fifo_async;
1789 struct kfifo *fifo;
1790 spinlock_t fifo_lock;
1791 wait_queue_head_t fifo_proc_list;
1792 atomic_t open_count;
1793 };
1794 static struct sonypi_compat_s sonypi_compat = {
1795 .open_count = ATOMIC_INIT(0),
1796 };
1797
1798 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
1799 {
1800 int retval;
1801
1802 retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
1803 if (retval < 0)
1804 return retval;
1805 return 0;
1806 }
1807
1808 static int sonypi_misc_release(struct inode *inode, struct file *file)
1809 {
1810 sonypi_misc_fasync(-1, file, 0);
1811 atomic_dec(&sonypi_compat.open_count);
1812 return 0;
1813 }
1814
1815 static int sonypi_misc_open(struct inode *inode, struct file *file)
1816 {
1817 /* Flush input queue on first open */
1818 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
1819 kfifo_reset(sonypi_compat.fifo);
1820 return 0;
1821 }
1822
1823 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
1824 size_t count, loff_t *pos)
1825 {
1826 ssize_t ret;
1827 unsigned char c;
1828
1829 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
1830 (file->f_flags & O_NONBLOCK))
1831 return -EAGAIN;
1832
1833 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
1834 kfifo_len(sonypi_compat.fifo) != 0);
1835 if (ret)
1836 return ret;
1837
1838 while (ret < count &&
1839 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
1840 if (put_user(c, buf++))
1841 return -EFAULT;
1842 ret++;
1843 }
1844
1845 if (ret > 0) {
1846 struct inode *inode = file->f_path.dentry->d_inode;
1847 inode->i_atime = current_fs_time(inode->i_sb);
1848 }
1849
1850 return ret;
1851 }
1852
1853 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
1854 {
1855 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
1856 if (kfifo_len(sonypi_compat.fifo))
1857 return POLLIN | POLLRDNORM;
1858 return 0;
1859 }
1860
1861 static int ec_read16(u8 addr, u16 *value)
1862 {
1863 u8 val_lb, val_hb;
1864 if (ec_read(addr, &val_lb))
1865 return -1;
1866 if (ec_read(addr + 1, &val_hb))
1867 return -1;
1868 *value = val_lb | (val_hb << 8);
1869 return 0;
1870 }
1871
1872 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
1873 unsigned int cmd, unsigned long arg)
1874 {
1875 int ret = 0;
1876 void __user *argp = (void __user *)arg;
1877 u8 val8;
1878 u16 val16;
1879 int value;
1880
1881 mutex_lock(&spic_dev.lock);
1882 switch (cmd) {
1883 case SONYPI_IOCGBRT:
1884 if (sony_backlight_device == NULL) {
1885 ret = -EIO;
1886 break;
1887 }
1888 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
1889 ret = -EIO;
1890 break;
1891 }
1892 val8 = ((value & 0xff) - 1) << 5;
1893 if (copy_to_user(argp, &val8, sizeof(val8)))
1894 ret = -EFAULT;
1895 break;
1896 case SONYPI_IOCSBRT:
1897 if (sony_backlight_device == NULL) {
1898 ret = -EIO;
1899 break;
1900 }
1901 if (copy_from_user(&val8, argp, sizeof(val8))) {
1902 ret = -EFAULT;
1903 break;
1904 }
1905 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
1906 (val8 >> 5) + 1, NULL)) {
1907 ret = -EIO;
1908 break;
1909 }
1910 /* sync the backlight device status */
1911 sony_backlight_device->props.brightness =
1912 sony_backlight_get_brightness(sony_backlight_device);
1913 break;
1914 case SONYPI_IOCGBAT1CAP:
1915 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1916 ret = -EIO;
1917 break;
1918 }
1919 if (copy_to_user(argp, &val16, sizeof(val16)))
1920 ret = -EFAULT;
1921 break;
1922 case SONYPI_IOCGBAT1REM:
1923 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1924 ret = -EIO;
1925 break;
1926 }
1927 if (copy_to_user(argp, &val16, sizeof(val16)))
1928 ret = -EFAULT;
1929 break;
1930 case SONYPI_IOCGBAT2CAP:
1931 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1932 ret = -EIO;
1933 break;
1934 }
1935 if (copy_to_user(argp, &val16, sizeof(val16)))
1936 ret = -EFAULT;
1937 break;
1938 case SONYPI_IOCGBAT2REM:
1939 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1940 ret = -EIO;
1941 break;
1942 }
1943 if (copy_to_user(argp, &val16, sizeof(val16)))
1944 ret = -EFAULT;
1945 break;
1946 case SONYPI_IOCGBATFLAGS:
1947 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
1948 ret = -EIO;
1949 break;
1950 }
1951 val8 &= 0x07;
1952 if (copy_to_user(argp, &val8, sizeof(val8)))
1953 ret = -EFAULT;
1954 break;
1955 case SONYPI_IOCGBLUE:
1956 val8 = spic_dev.bluetooth_power;
1957 if (copy_to_user(argp, &val8, sizeof(val8)))
1958 ret = -EFAULT;
1959 break;
1960 case SONYPI_IOCSBLUE:
1961 if (copy_from_user(&val8, argp, sizeof(val8))) {
1962 ret = -EFAULT;
1963 break;
1964 }
1965 __sony_pic_set_bluetoothpower(val8);
1966 break;
1967 /* FAN Controls */
1968 case SONYPI_IOCGFAN:
1969 if (sony_pic_get_fanspeed(&val8)) {
1970 ret = -EIO;
1971 break;
1972 }
1973 if (copy_to_user(argp, &val8, sizeof(val8)))
1974 ret = -EFAULT;
1975 break;
1976 case SONYPI_IOCSFAN:
1977 if (copy_from_user(&val8, argp, sizeof(val8))) {
1978 ret = -EFAULT;
1979 break;
1980 }
1981 if (sony_pic_set_fanspeed(val8))
1982 ret = -EIO;
1983 break;
1984 /* GET Temperature (useful under APM) */
1985 case SONYPI_IOCGTEMP:
1986 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
1987 ret = -EIO;
1988 break;
1989 }
1990 if (copy_to_user(argp, &val8, sizeof(val8)))
1991 ret = -EFAULT;
1992 break;
1993 default:
1994 ret = -EINVAL;
1995 }
1996 mutex_unlock(&spic_dev.lock);
1997 return ret;
1998 }
1999
2000 static const struct file_operations sonypi_misc_fops = {
2001 .owner = THIS_MODULE,
2002 .read = sonypi_misc_read,
2003 .poll = sonypi_misc_poll,
2004 .open = sonypi_misc_open,
2005 .release = sonypi_misc_release,
2006 .fasync = sonypi_misc_fasync,
2007 .ioctl = sonypi_misc_ioctl,
2008 };
2009
2010 static struct miscdevice sonypi_misc_device = {
2011 .minor = MISC_DYNAMIC_MINOR,
2012 .name = "sonypi",
2013 .fops = &sonypi_misc_fops,
2014 };
2015
2016 static void sonypi_compat_report_event(u8 event)
2017 {
2018 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
2019 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
2020 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
2021 }
2022
2023 static int sonypi_compat_init(void)
2024 {
2025 int error;
2026
2027 spin_lock_init(&sonypi_compat.fifo_lock);
2028 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2029 &sonypi_compat.fifo_lock);
2030 if (IS_ERR(sonypi_compat.fifo)) {
2031 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2032 return PTR_ERR(sonypi_compat.fifo);
2033 }
2034
2035 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2036
2037 if (minor != -1)
2038 sonypi_misc_device.minor = minor;
2039 error = misc_register(&sonypi_misc_device);
2040 if (error) {
2041 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2042 goto err_free_kfifo;
2043 }
2044 if (minor == -1)
2045 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2046 sonypi_misc_device.minor);
2047
2048 return 0;
2049
2050 err_free_kfifo:
2051 kfifo_free(sonypi_compat.fifo);
2052 return error;
2053 }
2054
2055 static void sonypi_compat_exit(void)
2056 {
2057 misc_deregister(&sonypi_misc_device);
2058 kfifo_free(sonypi_compat.fifo);
2059 }
2060 #else
2061 static int sonypi_compat_init(void) { return 0; }
2062 static void sonypi_compat_exit(void) { }
2063 static void sonypi_compat_report_event(u8 event) { }
2064 #endif /* CONFIG_SONYPI_COMPAT */
2065
2066 /*
2067 * ACPI callbacks
2068 */
2069 static acpi_status
2070 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2071 {
2072 u32 i;
2073 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2074
2075 switch (resource->type) {
2076 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2077 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2078 return AE_OK;
2079
2080 case ACPI_RESOURCE_TYPE_IRQ:
2081 {
2082 struct acpi_resource_irq *p = &resource->data.irq;
2083 struct sony_pic_irq *interrupt = NULL;
2084 if (!p || !p->interrupt_count) {
2085 /*
2086 * IRQ descriptors may have no IRQ# bits set,
2087 * particularly those those w/ _STA disabled
2088 */
2089 dprintk("Blank IRQ resource\n");
2090 return AE_OK;
2091 }
2092 for (i = 0; i < p->interrupt_count; i++) {
2093 if (!p->interrupts[i]) {
2094 printk(KERN_WARNING DRV_PFX
2095 "Invalid IRQ %d\n",
2096 p->interrupts[i]);
2097 continue;
2098 }
2099 interrupt = kzalloc(sizeof(*interrupt),
2100 GFP_KERNEL);
2101 if (!interrupt)
2102 return AE_ERROR;
2103
2104 list_add_tail(&interrupt->list, &dev->interrupts);
2105 interrupt->irq.triggering = p->triggering;
2106 interrupt->irq.polarity = p->polarity;
2107 interrupt->irq.sharable = p->sharable;
2108 interrupt->irq.interrupt_count = 1;
2109 interrupt->irq.interrupts[0] = p->interrupts[i];
2110 }
2111 return AE_OK;
2112 }
2113 case ACPI_RESOURCE_TYPE_IO:
2114 {
2115 struct acpi_resource_io *io = &resource->data.io;
2116 struct sony_pic_ioport *ioport = NULL;
2117 if (!io) {
2118 dprintk("Blank IO resource\n");
2119 return AE_OK;
2120 }
2121
2122 ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2123 if (!ioport)
2124 return AE_ERROR;
2125
2126 list_add_tail(&ioport->list, &dev->ioports);
2127 memcpy(&ioport->io, io, sizeof(*io));
2128 return AE_OK;
2129 }
2130 default:
2131 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2132 resource->type);
2133
2134 case ACPI_RESOURCE_TYPE_END_TAG:
2135 return AE_OK;
2136 }
2137 return AE_CTRL_TERMINATE;
2138 }
2139
2140 static int sony_pic_possible_resources(struct acpi_device *device)
2141 {
2142 int result = 0;
2143 acpi_status status = AE_OK;
2144
2145 if (!device)
2146 return -EINVAL;
2147
2148 /* get device status */
2149 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2150 dprintk("Evaluating _STA\n");
2151 result = acpi_bus_get_status(device);
2152 if (result) {
2153 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2154 goto end;
2155 }
2156
2157 if (!device->status.enabled)
2158 dprintk("Device disabled\n");
2159 else
2160 dprintk("Device enabled\n");
2161
2162 /*
2163 * Query and parse 'method'
2164 */
2165 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2166 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2167 sony_pic_read_possible_resource, &spic_dev);
2168 if (ACPI_FAILURE(status)) {
2169 printk(KERN_WARNING DRV_PFX
2170 "Failure evaluating %s\n",
2171 METHOD_NAME__PRS);
2172 result = -ENODEV;
2173 }
2174 end:
2175 return result;
2176 }
2177
2178 /*
2179 * Disable the spic device by calling its _DIS method
2180 */
2181 static int sony_pic_disable(struct acpi_device *device)
2182 {
2183 if (ACPI_FAILURE(acpi_evaluate_object(device->handle,
2184 "_DIS", NULL, NULL)))
2185 return -ENXIO;
2186
2187 dprintk("Device disabled\n");
2188 return 0;
2189 }
2190
2191
2192 /*
2193 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2194 *
2195 * Call _SRS to set current resources
2196 */
2197 static int sony_pic_enable(struct acpi_device *device,
2198 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2199 {
2200 acpi_status status;
2201 int result = 0;
2202 struct {
2203 struct acpi_resource io_res;
2204 struct acpi_resource irq_res;
2205 struct acpi_resource end;
2206 } *resource;
2207 struct acpi_buffer buffer = { 0, NULL };
2208
2209 if (!ioport || !irq)
2210 return -EINVAL;
2211
2212 /* init acpi_buffer */
2213 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2214 if (!resource)
2215 return -ENOMEM;
2216
2217 buffer.length = sizeof(*resource) + 1;
2218 buffer.pointer = resource;
2219
2220 /* setup io resource */
2221 resource->io_res.type = ACPI_RESOURCE_TYPE_IO;
2222 resource->io_res.length = sizeof(struct acpi_resource);
2223 memcpy(&resource->io_res.data.io, &ioport->io,
2224 sizeof(struct acpi_resource_io));
2225
2226 /* setup irq resource */
2227 resource->irq_res.type = ACPI_RESOURCE_TYPE_IRQ;
2228 resource->irq_res.length = sizeof(struct acpi_resource);
2229 memcpy(&resource->irq_res.data.irq, &irq->irq,
2230 sizeof(struct acpi_resource_irq));
2231 /* we requested a shared irq */
2232 resource->irq_res.data.irq.sharable = ACPI_SHARED;
2233
2234 resource->end.type = ACPI_RESOURCE_TYPE_END_TAG;
2235
2236 /* Attempt to set the resource */
2237 dprintk("Evaluating _SRS\n");
2238 status = acpi_set_current_resources(device->handle, &buffer);
2239
2240 /* check for total failure */
2241 if (ACPI_FAILURE(status)) {
2242 printk(KERN_ERR DRV_PFX "Error evaluating _SRS");
2243 result = -ENODEV;
2244 goto end;
2245 }
2246
2247 /* Necessary device initializations calls (from sonypi) */
2248 sony_pic_call1(0x82);
2249 sony_pic_call2(0x81, 0xff);
2250 sony_pic_call1(compat ? 0x92 : 0x82);
2251
2252 end:
2253 kfree(resource);
2254 return result;
2255 }
2256
2257 /*****************
2258 *
2259 * ISR: some event is available
2260 *
2261 *****************/
2262 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2263 {
2264 int i, j;
2265 u8 ev = 0;
2266 u8 data_mask = 0;
2267 u8 device_event = 0;
2268
2269 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2270
2271 ev = inb_p(dev->cur_ioport->io.minimum);
2272 data_mask = inb_p(dev->cur_ioport->io.minimum + dev->evport_offset);
2273
2274 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2275 ev, data_mask, dev->cur_ioport->io.minimum, dev->evport_offset);
2276
2277 if (ev == 0x00 || ev == 0xff)
2278 return IRQ_HANDLED;
2279
2280 for (i = 0; sony_pic_eventtypes[i].model; i++) {
2281
2282 if (spic_dev.model != sony_pic_eventtypes[i].model)
2283 continue;
2284
2285 if ((data_mask & sony_pic_eventtypes[i].data) !=
2286 sony_pic_eventtypes[i].data)
2287 continue;
2288
2289 if (!(mask & sony_pic_eventtypes[i].mask))
2290 continue;
2291
2292 for (j = 0; sony_pic_eventtypes[i].events[j].event; j++) {
2293 if (ev == sony_pic_eventtypes[i].events[j].data) {
2294 device_event =
2295 sony_pic_eventtypes[i].events[j].event;
2296 goto found;
2297 }
2298 }
2299 }
2300 return IRQ_HANDLED;
2301
2302 found:
2303 sony_laptop_report_input_event(device_event);
2304 acpi_bus_generate_proc_event(spic_dev.acpi_dev, 1, device_event);
2305 sonypi_compat_report_event(device_event);
2306
2307 return IRQ_HANDLED;
2308 }
2309
2310 /*****************
2311 *
2312 * ACPI driver
2313 *
2314 *****************/
2315 static int sony_pic_remove(struct acpi_device *device, int type)
2316 {
2317 struct sony_pic_ioport *io, *tmp_io;
2318 struct sony_pic_irq *irq, *tmp_irq;
2319
2320 if (sony_pic_disable(device)) {
2321 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2322 return -ENXIO;
2323 }
2324
2325 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2326 release_region(spic_dev.cur_ioport->io.minimum,
2327 spic_dev.cur_ioport->io.address_length);
2328
2329 sonypi_compat_exit();
2330
2331 sony_laptop_remove_input();
2332
2333 /* pf attrs */
2334 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2335 sony_pf_remove();
2336
2337 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2338 list_del(&io->list);
2339 kfree(io);
2340 }
2341 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2342 list_del(&irq->list);
2343 kfree(irq);
2344 }
2345 spic_dev.cur_ioport = NULL;
2346 spic_dev.cur_irq = NULL;
2347
2348 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2349 return 0;
2350 }
2351
2352 static int sony_pic_add(struct acpi_device *device)
2353 {
2354 int result;
2355 struct sony_pic_ioport *io, *tmp_io;
2356 struct sony_pic_irq *irq, *tmp_irq;
2357
2358 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2359 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2360
2361 spic_dev.acpi_dev = device;
2362 strcpy(acpi_device_class(device), "sony/hotkey");
2363 spic_dev.model = sony_pic_detect_device_type();
2364 mutex_init(&spic_dev.lock);
2365
2366 /* model specific characteristics */
2367 switch(spic_dev.model) {
2368 case SONYPI_DEVICE_TYPE1:
2369 spic_dev.evport_offset = SONYPI_TYPE1_OFFSET;
2370 break;
2371 case SONYPI_DEVICE_TYPE3:
2372 spic_dev.evport_offset = SONYPI_TYPE3_OFFSET;
2373 break;
2374 case SONYPI_DEVICE_TYPE2:
2375 default:
2376 spic_dev.evport_offset = SONYPI_TYPE2_OFFSET;
2377 break;
2378 }
2379
2380 /* read _PRS resources */
2381 result = sony_pic_possible_resources(device);
2382 if (result) {
2383 printk(KERN_ERR DRV_PFX
2384 "Unabe to read possible resources.\n");
2385 goto err_free_resources;
2386 }
2387
2388 /* setup input devices and helper fifo */
2389 result = sony_laptop_setup_input();
2390 if (result) {
2391 printk(KERN_ERR DRV_PFX
2392 "Unabe to create input devices.\n");
2393 goto err_free_resources;
2394 }
2395
2396 if (sonypi_compat_init())
2397 goto err_remove_input;
2398
2399 /* request io port */
2400 list_for_each_entry(io, &spic_dev.ioports, list) {
2401 if (request_region(io->io.minimum, io->io.address_length,
2402 "Sony Programable I/O Device")) {
2403 dprintk("I/O port: 0x%.4x (0x%.4x) + 0x%.2x\n",
2404 io->io.minimum, io->io.maximum,
2405 io->io.address_length);
2406 spic_dev.cur_ioport = io;
2407 break;
2408 }
2409 }
2410 if (!spic_dev.cur_ioport) {
2411 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2412 result = -ENODEV;
2413 goto err_remove_compat;
2414 }
2415
2416 /* request IRQ */
2417 list_for_each_entry(irq, &spic_dev.interrupts, list) {
2418 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2419 IRQF_SHARED, "sony-laptop", &spic_dev)) {
2420 dprintk("IRQ: %d - triggering: %d - "
2421 "polarity: %d - shr: %d\n",
2422 irq->irq.interrupts[0],
2423 irq->irq.triggering,
2424 irq->irq.polarity,
2425 irq->irq.sharable);
2426 spic_dev.cur_irq = irq;
2427 break;
2428 }
2429 }
2430 if (!spic_dev.cur_irq) {
2431 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2432 result = -ENODEV;
2433 goto err_release_region;
2434 }
2435
2436 /* set resource status _SRS */
2437 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2438 if (result) {
2439 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2440 goto err_free_irq;
2441 }
2442
2443 spic_dev.bluetooth_power = -1;
2444 /* create device attributes */
2445 result = sony_pf_add();
2446 if (result)
2447 goto err_disable_device;
2448
2449 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2450 if (result)
2451 goto err_remove_pf;
2452
2453 return 0;
2454
2455 err_remove_pf:
2456 sony_pf_remove();
2457
2458 err_disable_device:
2459 sony_pic_disable(device);
2460
2461 err_free_irq:
2462 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2463
2464 err_release_region:
2465 release_region(spic_dev.cur_ioport->io.minimum,
2466 spic_dev.cur_ioport->io.address_length);
2467
2468 err_remove_compat:
2469 sonypi_compat_exit();
2470
2471 err_remove_input:
2472 sony_laptop_remove_input();
2473
2474 err_free_resources:
2475 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2476 list_del(&io->list);
2477 kfree(io);
2478 }
2479 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2480 list_del(&irq->list);
2481 kfree(irq);
2482 }
2483 spic_dev.cur_ioport = NULL;
2484 spic_dev.cur_irq = NULL;
2485
2486 return result;
2487 }
2488
2489 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2490 {
2491 if (sony_pic_disable(device))
2492 return -ENXIO;
2493 return 0;
2494 }
2495
2496 static int sony_pic_resume(struct acpi_device *device)
2497 {
2498 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2499 return 0;
2500 }
2501
2502 static const struct acpi_device_id sony_pic_device_ids[] = {
2503 {SONY_PIC_HID, 0},
2504 {"", 0},
2505 };
2506
2507 static struct acpi_driver sony_pic_driver = {
2508 .name = SONY_PIC_DRIVER_NAME,
2509 .class = SONY_PIC_CLASS,
2510 .ids = sony_pic_device_ids,
2511 .owner = THIS_MODULE,
2512 .ops = {
2513 .add = sony_pic_add,
2514 .remove = sony_pic_remove,
2515 .suspend = sony_pic_suspend,
2516 .resume = sony_pic_resume,
2517 },
2518 };
2519
2520 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2521 {
2522 .ident = "Sony Vaio",
2523 .matches = {
2524 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2525 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2526 },
2527 },
2528 {
2529 .ident = "Sony Vaio",
2530 .matches = {
2531 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2532 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2533 },
2534 },
2535 { }
2536 };
2537
2538 static int __init sony_laptop_init(void)
2539 {
2540 int result;
2541
2542 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2543 result = acpi_bus_register_driver(&sony_pic_driver);
2544 if (result) {
2545 printk(KERN_ERR DRV_PFX
2546 "Unable to register SPIC driver.");
2547 goto out;
2548 }
2549 }
2550
2551 result = acpi_bus_register_driver(&sony_nc_driver);
2552 if (result) {
2553 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2554 goto out_unregister_pic;
2555 }
2556
2557 return 0;
2558
2559 out_unregister_pic:
2560 if (!no_spic)
2561 acpi_bus_unregister_driver(&sony_pic_driver);
2562 out:
2563 return result;
2564 }
2565
2566 static void __exit sony_laptop_exit(void)
2567 {
2568 acpi_bus_unregister_driver(&sony_nc_driver);
2569 if (!no_spic)
2570 acpi_bus_unregister_driver(&sony_pic_driver);
2571 }
2572
2573 module_init(sony_laptop_init);
2574 module_exit(sony_laptop_exit);
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