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drm: ioremap return value checks
[usb.git] / drivers / misc / sony-laptop.c
blob303e48ca0e8ae77459bb72dcf9c66d096b344636
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(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 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 C 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-C"),
865 },
866 },
867 { }
868 };
869
870 /*
871 * ACPI callbacks
872 */
873 static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
874 {
875 struct sony_nc_event *evmap;
876 u32 ev = event;
877 int result;
878
879 if (ev == 0x92) {
880 /* read the key pressed from EC.GECR
881 * A call to SN07 with 0x0202 will do it as well respecting
882 * the current protocol on different OSes
883 *
884 * Note: the path for GECR may be
885 * \_SB.PCI0.LPCB.EC (C, FE, AR, N and friends)
886 * \_SB.PCI0.PIB.EC0 (VGN-FR notifications are sent directly, no GECR)
887 *
888 * TODO: we may want to do the same for the older GHKE -need
889 * dmi list- so this snippet may become one more callback.
890 */
891 if (acpi_callsetfunc(handle, "SN07", 0x0202, &result) < 0)
892 dprintk("sony_acpi_notify, unable to decode event 0x%.2x\n", ev);
893 else
894 ev = result & 0xFF;
895 }
896
897 if (sony_nc_events)
898 for (evmap = sony_nc_events; evmap->event; evmap++) {
899 if (evmap->data == ev) {
900 ev = evmap->event;
901 break;
902 }
903 }
904
905 dprintk("sony_acpi_notify, event: 0x%.2x\n", ev);
906 sony_laptop_report_input_event(ev);
907 acpi_bus_generate_event(sony_nc_acpi_device, 1, ev);
908 }
909
910 static acpi_status sony_walk_callback(acpi_handle handle, u32 level,
911 void *context, void **return_value)
912 {
913 struct acpi_namespace_node *node;
914 union acpi_operand_object *operand;
915
916 node = (struct acpi_namespace_node *)handle;
917 operand = (union acpi_operand_object *)node->object;
918
919 printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", node->name.ascii,
920 (u32) operand->method.param_count);
921
922 return AE_OK;
923 }
924
925 /*
926 * ACPI device
927 */
928 static int sony_nc_resume(struct acpi_device *device)
929 {
930 struct sony_nc_value *item;
931
932 for (item = sony_nc_values; item->name; item++) {
933 int ret;
934
935 if (!item->valid)
936 continue;
937 ret = acpi_callsetfunc(sony_nc_acpi_handle, *item->acpiset,
938 item->value, NULL);
939 if (ret < 0) {
940 printk("%s: %d\n", __FUNCTION__, ret);
941 break;
942 }
943 }
944
945 /* re-initialize models with specific requirements */
946 dmi_check_system(sony_nc_ids);
947
948 return 0;
949 }
950
951 static int sony_nc_add(struct acpi_device *device)
952 {
953 acpi_status status;
954 int result = 0;
955 acpi_handle handle;
956 struct sony_nc_value *item;
957
958 printk(KERN_INFO DRV_PFX "%s v%s.\n",
959 SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
960
961 sony_nc_acpi_device = device;
962 strcpy(acpi_device_class(device), "sony/hotkey");
963
964 sony_nc_acpi_handle = device->handle;
965
966 /* read device status */
967 result = acpi_bus_get_status(device);
968 /* bail IFF the above call was successful and the device is not present */
969 if (!result && !device->status.present) {
970 dprintk("Device not present\n");
971 result = -ENODEV;
972 goto outwalk;
973 }
974
975 if (debug) {
976 status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
977 1, sony_walk_callback, NULL, NULL);
978 if (ACPI_FAILURE(status)) {
979 printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
980 result = -ENODEV;
981 goto outwalk;
982 }
983 }
984
985 /* try to _INI the device if such method exists (ACPI spec 3.0-6.5.1
986 * should be respected as we already checked for the device presence above */
987 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, METHOD_NAME__INI, &handle))) {
988 dprintk("Invoking _INI\n");
989 if (ACPI_FAILURE(acpi_evaluate_object(sony_nc_acpi_handle, METHOD_NAME__INI,
990 NULL, NULL)))
991 dprintk("_INI Method failed\n");
992 }
993
994 /* setup input devices and helper fifo */
995 result = sony_laptop_setup_input();
996 if (result) {
997 printk(KERN_ERR DRV_PFX
998 "Unabe to create input devices.\n");
999 goto outwalk;
1000 }
1001
1002 status = acpi_install_notify_handler(sony_nc_acpi_handle,
1003 ACPI_DEVICE_NOTIFY,
1004 sony_acpi_notify, NULL);
1005 if (ACPI_FAILURE(status)) {
1006 printk(KERN_WARNING DRV_PFX "unable to install notify handler (%u)\n", status);
1007 result = -ENODEV;
1008 goto outinput;
1009 }
1010
1011 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) {
1012 sony_backlight_device = backlight_device_register("sony", NULL,
1013 NULL,
1014 &sony_backlight_ops);
1015
1016 if (IS_ERR(sony_backlight_device)) {
1017 printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
1018 sony_backlight_device = NULL;
1019 } else {
1020 sony_backlight_device->props.brightness =
1021 sony_backlight_get_brightness
1022 (sony_backlight_device);
1023 sony_backlight_device->props.max_brightness =
1024 SONY_MAX_BRIGHTNESS - 1;
1025 }
1026
1027 }
1028
1029 /* initialize models with specific requirements */
1030 dmi_check_system(sony_nc_ids);
1031
1032 result = sony_pf_add();
1033 if (result)
1034 goto outbacklight;
1035
1036 /* create sony_pf sysfs attributes related to the SNC device */
1037 for (item = sony_nc_values; item->name; ++item) {
1038
1039 if (!debug && item->debug)
1040 continue;
1041
1042 /* find the available acpiget as described in the DSDT */
1043 for (; item->acpiget && *item->acpiget; ++item->acpiget) {
1044 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1045 *item->acpiget,
1046 &handle))) {
1047 dprintk("Found %s getter: %s\n",
1048 item->name, *item->acpiget);
1049 item->devattr.attr.mode |= S_IRUGO;
1050 break;
1051 }
1052 }
1053
1054 /* find the available acpiset as described in the DSDT */
1055 for (; item->acpiset && *item->acpiset; ++item->acpiset) {
1056 if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle,
1057 *item->acpiset,
1058 &handle))) {
1059 dprintk("Found %s setter: %s\n",
1060 item->name, *item->acpiset);
1061 item->devattr.attr.mode |= S_IWUSR;
1062 break;
1063 }
1064 }
1065
1066 if (item->devattr.attr.mode != 0) {
1067 result =
1068 device_create_file(&sony_pf_device->dev,
1069 &item->devattr);
1070 if (result)
1071 goto out_sysfs;
1072 }
1073 }
1074
1075 return 0;
1076
1077 out_sysfs:
1078 for (item = sony_nc_values; item->name; ++item) {
1079 device_remove_file(&sony_pf_device->dev, &item->devattr);
1080 }
1081 sony_pf_remove();
1082
1083 outbacklight:
1084 if (sony_backlight_device)
1085 backlight_device_unregister(sony_backlight_device);
1086
1087 status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1088 ACPI_DEVICE_NOTIFY,
1089 sony_acpi_notify);
1090 if (ACPI_FAILURE(status))
1091 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1092
1093 outinput:
1094 sony_laptop_remove_input();
1095
1096 outwalk:
1097 return result;
1098 }
1099
1100 static int sony_nc_remove(struct acpi_device *device, int type)
1101 {
1102 acpi_status status;
1103 struct sony_nc_value *item;
1104
1105 if (sony_backlight_device)
1106 backlight_device_unregister(sony_backlight_device);
1107
1108 sony_nc_acpi_device = NULL;
1109
1110 status = acpi_remove_notify_handler(sony_nc_acpi_handle,
1111 ACPI_DEVICE_NOTIFY,
1112 sony_acpi_notify);
1113 if (ACPI_FAILURE(status))
1114 printk(KERN_WARNING DRV_PFX "unable to remove notify handler\n");
1115
1116 for (item = sony_nc_values; item->name; ++item) {
1117 device_remove_file(&sony_pf_device->dev, &item->devattr);
1118 }
1119
1120 sony_pf_remove();
1121 sony_laptop_remove_input();
1122 dprintk(SONY_NC_DRIVER_NAME " removed.\n");
1123
1124 return 0;
1125 }
1126
1127 static struct acpi_driver sony_nc_driver = {
1128 .name = SONY_NC_DRIVER_NAME,
1129 .class = SONY_NC_CLASS,
1130 .ids = SONY_NC_HID,
1131 .owner = THIS_MODULE,
1132 .ops = {
1133 .add = sony_nc_add,
1134 .remove = sony_nc_remove,
1135 .resume = sony_nc_resume,
1136 },
1137 };
1138
1139 /*********** SPIC (SNY6001) Device ***********/
1140
1141 #define SONYPI_DEVICE_TYPE1 0x00000001
1142 #define SONYPI_DEVICE_TYPE2 0x00000002
1143 #define SONYPI_DEVICE_TYPE3 0x00000004
1144
1145 #define SONYPI_TYPE1_OFFSET 0x04
1146 #define SONYPI_TYPE2_OFFSET 0x12
1147 #define SONYPI_TYPE3_OFFSET 0x12
1148
1149 struct sony_pic_ioport {
1150 struct acpi_resource_io io;
1151 struct list_head list;
1152 };
1153
1154 struct sony_pic_irq {
1155 struct acpi_resource_irq irq;
1156 struct list_head list;
1157 };
1158
1159 struct sony_pic_dev {
1160 int model;
1161 u16 evport_offset;
1162 u8 camera_power;
1163 u8 bluetooth_power;
1164 u8 wwan_power;
1165 struct acpi_device *acpi_dev;
1166 struct sony_pic_irq *cur_irq;
1167 struct sony_pic_ioport *cur_ioport;
1168 struct list_head interrupts;
1169 struct list_head ioports;
1170 struct mutex lock;
1171 };
1172
1173 static struct sony_pic_dev spic_dev = {
1174 .interrupts = LIST_HEAD_INIT(spic_dev.interrupts),
1175 .ioports = LIST_HEAD_INIT(spic_dev.ioports),
1176 };
1177
1178 /* Event masks */
1179 #define SONYPI_JOGGER_MASK 0x00000001
1180 #define SONYPI_CAPTURE_MASK 0x00000002
1181 #define SONYPI_FNKEY_MASK 0x00000004
1182 #define SONYPI_BLUETOOTH_MASK 0x00000008
1183 #define SONYPI_PKEY_MASK 0x00000010
1184 #define SONYPI_BACK_MASK 0x00000020
1185 #define SONYPI_HELP_MASK 0x00000040
1186 #define SONYPI_LID_MASK 0x00000080
1187 #define SONYPI_ZOOM_MASK 0x00000100
1188 #define SONYPI_THUMBPHRASE_MASK 0x00000200
1189 #define SONYPI_MEYE_MASK 0x00000400
1190 #define SONYPI_MEMORYSTICK_MASK 0x00000800
1191 #define SONYPI_BATTERY_MASK 0x00001000
1192 #define SONYPI_WIRELESS_MASK 0x00002000
1193
1194 struct sonypi_event {
1195 u8 data;
1196 u8 event;
1197 };
1198
1199 /* The set of possible button release events */
1200 static struct sonypi_event sonypi_releaseev[] = {
1201 { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED },
1202 { 0, 0 }
1203 };
1204
1205 /* The set of possible jogger events */
1206 static struct sonypi_event sonypi_joggerev[] = {
1207 { 0x1f, SONYPI_EVENT_JOGDIAL_UP },
1208 { 0x01, SONYPI_EVENT_JOGDIAL_DOWN },
1209 { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED },
1210 { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED },
1211 { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP },
1212 { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN },
1213 { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED },
1214 { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED },
1215 { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP },
1216 { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN },
1217 { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED },
1218 { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED },
1219 { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED },
1220 { 0, 0 }
1221 };
1222
1223 /* The set of possible capture button events */
1224 static struct sonypi_event sonypi_captureev[] = {
1225 { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED },
1226 { 0x07, SONYPI_EVENT_CAPTURE_PRESSED },
1227 { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED },
1228 { 0, 0 }
1229 };
1230
1231 /* The set of possible fnkeys events */
1232 static struct sonypi_event sonypi_fnkeyev[] = {
1233 { 0x10, SONYPI_EVENT_FNKEY_ESC },
1234 { 0x11, SONYPI_EVENT_FNKEY_F1 },
1235 { 0x12, SONYPI_EVENT_FNKEY_F2 },
1236 { 0x13, SONYPI_EVENT_FNKEY_F3 },
1237 { 0x14, SONYPI_EVENT_FNKEY_F4 },
1238 { 0x15, SONYPI_EVENT_FNKEY_F5 },
1239 { 0x16, SONYPI_EVENT_FNKEY_F6 },
1240 { 0x17, SONYPI_EVENT_FNKEY_F7 },
1241 { 0x18, SONYPI_EVENT_FNKEY_F8 },
1242 { 0x19, SONYPI_EVENT_FNKEY_F9 },
1243 { 0x1a, SONYPI_EVENT_FNKEY_F10 },
1244 { 0x1b, SONYPI_EVENT_FNKEY_F11 },
1245 { 0x1c, SONYPI_EVENT_FNKEY_F12 },
1246 { 0x1f, SONYPI_EVENT_FNKEY_RELEASED },
1247 { 0x21, SONYPI_EVENT_FNKEY_1 },
1248 { 0x22, SONYPI_EVENT_FNKEY_2 },
1249 { 0x31, SONYPI_EVENT_FNKEY_D },
1250 { 0x32, SONYPI_EVENT_FNKEY_E },
1251 { 0x33, SONYPI_EVENT_FNKEY_F },
1252 { 0x34, SONYPI_EVENT_FNKEY_S },
1253 { 0x35, SONYPI_EVENT_FNKEY_B },
1254 { 0x36, SONYPI_EVENT_FNKEY_ONLY },
1255 { 0, 0 }
1256 };
1257
1258 /* The set of possible program key events */
1259 static struct sonypi_event sonypi_pkeyev[] = {
1260 { 0x01, SONYPI_EVENT_PKEY_P1 },
1261 { 0x02, SONYPI_EVENT_PKEY_P2 },
1262 { 0x04, SONYPI_EVENT_PKEY_P3 },
1263 { 0x5c, SONYPI_EVENT_PKEY_P1 },
1264 { 0, 0 }
1265 };
1266
1267 /* The set of possible bluetooth events */
1268 static struct sonypi_event sonypi_blueev[] = {
1269 { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED },
1270 { 0x59, SONYPI_EVENT_BLUETOOTH_ON },
1271 { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF },
1272 { 0, 0 }
1273 };
1274
1275 /* The set of possible wireless events */
1276 static struct sonypi_event sonypi_wlessev[] = {
1277 { 0x59, SONYPI_EVENT_WIRELESS_ON },
1278 { 0x5a, SONYPI_EVENT_WIRELESS_OFF },
1279 { 0, 0 }
1280 };
1281
1282 /* The set of possible back button events */
1283 static struct sonypi_event sonypi_backev[] = {
1284 { 0x20, SONYPI_EVENT_BACK_PRESSED },
1285 { 0, 0 }
1286 };
1287
1288 /* The set of possible help button events */
1289 static struct sonypi_event sonypi_helpev[] = {
1290 { 0x3b, SONYPI_EVENT_HELP_PRESSED },
1291 { 0, 0 }
1292 };
1293
1294
1295 /* The set of possible lid events */
1296 static struct sonypi_event sonypi_lidev[] = {
1297 { 0x51, SONYPI_EVENT_LID_CLOSED },
1298 { 0x50, SONYPI_EVENT_LID_OPENED },
1299 { 0, 0 }
1300 };
1301
1302 /* The set of possible zoom events */
1303 static struct sonypi_event sonypi_zoomev[] = {
1304 { 0x39, SONYPI_EVENT_ZOOM_PRESSED },
1305 { 0, 0 }
1306 };
1307
1308 /* The set of possible thumbphrase events */
1309 static struct sonypi_event sonypi_thumbphraseev[] = {
1310 { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED },
1311 { 0, 0 }
1312 };
1313
1314 /* The set of possible motioneye camera events */
1315 static struct sonypi_event sonypi_meyeev[] = {
1316 { 0x00, SONYPI_EVENT_MEYE_FACE },
1317 { 0x01, SONYPI_EVENT_MEYE_OPPOSITE },
1318 { 0, 0 }
1319 };
1320
1321 /* The set of possible memorystick events */
1322 static struct sonypi_event sonypi_memorystickev[] = {
1323 { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT },
1324 { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT },
1325 { 0, 0 }
1326 };
1327
1328 /* The set of possible battery events */
1329 static struct sonypi_event sonypi_batteryev[] = {
1330 { 0x20, SONYPI_EVENT_BATTERY_INSERT },
1331 { 0x30, SONYPI_EVENT_BATTERY_REMOVE },
1332 { 0, 0 }
1333 };
1334
1335 static struct sonypi_eventtypes {
1336 int model;
1337 u8 data;
1338 unsigned long mask;
1339 struct sonypi_event * events;
1340 } sony_pic_eventtypes[] = {
1341 { SONYPI_DEVICE_TYPE1, 0, 0xffffffff, sonypi_releaseev },
1342 { SONYPI_DEVICE_TYPE1, 0x70, SONYPI_MEYE_MASK, sonypi_meyeev },
1343 { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_LID_MASK, sonypi_lidev },
1344 { SONYPI_DEVICE_TYPE1, 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev },
1345 { SONYPI_DEVICE_TYPE1, 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev },
1346 { SONYPI_DEVICE_TYPE1, 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1347 { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1348 { SONYPI_DEVICE_TYPE1, 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev },
1349 { SONYPI_DEVICE_TYPE1, 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1350 { SONYPI_DEVICE_TYPE1, 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev },
1351
1352 { SONYPI_DEVICE_TYPE2, 0, 0xffffffff, sonypi_releaseev },
1353 { SONYPI_DEVICE_TYPE2, 0x38, SONYPI_LID_MASK, sonypi_lidev },
1354 { SONYPI_DEVICE_TYPE2, 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev },
1355 { SONYPI_DEVICE_TYPE2, 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev },
1356 { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1357 { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev },
1358 { SONYPI_DEVICE_TYPE2, 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev },
1359 { SONYPI_DEVICE_TYPE2, 0x11, SONYPI_BACK_MASK, sonypi_backev },
1360 { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_HELP_MASK, sonypi_helpev },
1361 { SONYPI_DEVICE_TYPE2, 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev },
1362 { SONYPI_DEVICE_TYPE2, 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev },
1363 { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1364 { SONYPI_DEVICE_TYPE2, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1365 { SONYPI_DEVICE_TYPE2, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1366
1367 { SONYPI_DEVICE_TYPE3, 0, 0xffffffff, sonypi_releaseev },
1368 { SONYPI_DEVICE_TYPE3, 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev },
1369 { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev },
1370 { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev },
1371 { SONYPI_DEVICE_TYPE3, 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev },
1372 { SONYPI_DEVICE_TYPE3, 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev },
1373 { 0 }
1374 };
1375
1376 static int sony_pic_detect_device_type(void)
1377 {
1378 struct pci_dev *pcidev;
1379 int model = 0;
1380
1381 if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1382 PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
1383 model = SONYPI_DEVICE_TYPE1;
1384
1385 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1386 PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
1387 model = SONYPI_DEVICE_TYPE3;
1388
1389 else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
1390 PCI_DEVICE_ID_INTEL_ICH7_1, NULL)))
1391 model = SONYPI_DEVICE_TYPE3;
1392
1393 else
1394 model = SONYPI_DEVICE_TYPE2;
1395
1396 if (pcidev)
1397 pci_dev_put(pcidev);
1398
1399 printk(KERN_INFO DRV_PFX "detected Type%d model\n",
1400 model == SONYPI_DEVICE_TYPE1 ? 1 :
1401 model == SONYPI_DEVICE_TYPE2 ? 2 : 3);
1402 return model;
1403 }
1404
1405 #define ITERATIONS_LONG 10000
1406 #define ITERATIONS_SHORT 10
1407 #define wait_on_command(command, iterations) { \
1408 unsigned int n = iterations; \
1409 while (--n && (command)) \
1410 udelay(1); \
1411 if (!n) \
1412 dprintk("command failed at %s : %s (line %d)\n", \
1413 __FILE__, __FUNCTION__, __LINE__); \
1414 }
1415
1416 static u8 sony_pic_call1(u8 dev)
1417 {
1418 u8 v1, v2;
1419
1420 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
1421 ITERATIONS_LONG);
1422 outb(dev, spic_dev.cur_ioport->io.minimum + 4);
1423 v1 = inb_p(spic_dev.cur_ioport->io.minimum + 4);
1424 v2 = inb_p(spic_dev.cur_ioport->io.minimum);
1425 dprintk("sony_pic_call1: 0x%.4x\n", (v2 << 8) | v1);
1426 return v2;
1427 }
1428
1429 static u8 sony_pic_call2(u8 dev, u8 fn)
1430 {
1431 u8 v1;
1432
1433 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
1434 ITERATIONS_LONG);
1435 outb(dev, spic_dev.cur_ioport->io.minimum + 4);
1436 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2,
1437 ITERATIONS_LONG);
1438 outb(fn, spic_dev.cur_ioport->io.minimum);
1439 v1 = inb_p(spic_dev.cur_ioport->io.minimum);
1440 dprintk("sony_pic_call2: 0x%.4x\n", v1);
1441 return v1;
1442 }
1443
1444 static u8 sony_pic_call3(u8 dev, u8 fn, u8 v)
1445 {
1446 u8 v1;
1447
1448 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
1449 outb(dev, spic_dev.cur_ioport->io.minimum + 4);
1450 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
1451 outb(fn, spic_dev.cur_ioport->io.minimum);
1452 wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG);
1453 outb(v, spic_dev.cur_ioport->io.minimum);
1454 v1 = inb_p(spic_dev.cur_ioport->io.minimum);
1455 dprintk("sony_pic_call3: 0x%.4x\n", v1);
1456 return v1;
1457 }
1458
1459 /* camera tests and poweron/poweroff */
1460 #define SONYPI_CAMERA_PICTURE 5
1461 #define SONYPI_CAMERA_CONTROL 0x10
1462
1463 #define SONYPI_CAMERA_BRIGHTNESS 0
1464 #define SONYPI_CAMERA_CONTRAST 1
1465 #define SONYPI_CAMERA_HUE 2
1466 #define SONYPI_CAMERA_COLOR 3
1467 #define SONYPI_CAMERA_SHARPNESS 4
1468
1469 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC
1470 #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3
1471 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30
1472 #define SONYPI_CAMERA_MUTE_MASK 0x40
1473
1474 /* the rest don't need a loop until not 0xff */
1475 #define SONYPI_CAMERA_AGC 6
1476 #define SONYPI_CAMERA_AGC_MASK 0x30
1477 #define SONYPI_CAMERA_SHUTTER_MASK 0x7
1478
1479 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7
1480 #define SONYPI_CAMERA_CONTROL 0x10
1481
1482 #define SONYPI_CAMERA_STATUS 7
1483 #define SONYPI_CAMERA_STATUS_READY 0x2
1484 #define SONYPI_CAMERA_STATUS_POSITION 0x4
1485
1486 #define SONYPI_DIRECTION_BACKWARDS 0x4
1487
1488 #define SONYPI_CAMERA_REVISION 8
1489 #define SONYPI_CAMERA_ROMVERSION 9
1490
1491 static int __sony_pic_camera_ready(void)
1492 {
1493 u8 v;
1494
1495 v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS);
1496 return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY));
1497 }
1498
1499 static int __sony_pic_camera_off(void)
1500 {
1501 if (!camera) {
1502 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1503 return -ENODEV;
1504 }
1505
1506 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE,
1507 SONYPI_CAMERA_MUTE_MASK),
1508 ITERATIONS_SHORT);
1509
1510 if (spic_dev.camera_power) {
1511 sony_pic_call2(0x91, 0);
1512 spic_dev.camera_power = 0;
1513 }
1514 return 0;
1515 }
1516
1517 static int __sony_pic_camera_on(void)
1518 {
1519 int i, j, x;
1520
1521 if (!camera) {
1522 printk(KERN_WARNING DRV_PFX "camera control not enabled\n");
1523 return -ENODEV;
1524 }
1525
1526 if (spic_dev.camera_power)
1527 return 0;
1528
1529 for (j = 5; j > 0; j--) {
1530
1531 for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++)
1532 msleep(10);
1533 sony_pic_call1(0x93);
1534
1535 for (i = 400; i > 0; i--) {
1536 if (__sony_pic_camera_ready())
1537 break;
1538 msleep(10);
1539 }
1540 if (i)
1541 break;
1542 }
1543
1544 if (j == 0) {
1545 printk(KERN_WARNING DRV_PFX "failed to power on camera\n");
1546 return -ENODEV;
1547 }
1548
1549 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL,
1550 0x5a),
1551 ITERATIONS_SHORT);
1552
1553 spic_dev.camera_power = 1;
1554 return 0;
1555 }
1556
1557 /* External camera command (exported to the motion eye v4l driver) */
1558 int sony_pic_camera_command(int command, u8 value)
1559 {
1560 if (!camera)
1561 return -EIO;
1562
1563 mutex_lock(&spic_dev.lock);
1564
1565 switch (command) {
1566 case SONY_PIC_COMMAND_SETCAMERA:
1567 if (value)
1568 __sony_pic_camera_on();
1569 else
1570 __sony_pic_camera_off();
1571 break;
1572 case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS:
1573 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value),
1574 ITERATIONS_SHORT);
1575 break;
1576 case SONY_PIC_COMMAND_SETCAMERACONTRAST:
1577 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value),
1578 ITERATIONS_SHORT);
1579 break;
1580 case SONY_PIC_COMMAND_SETCAMERAHUE:
1581 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value),
1582 ITERATIONS_SHORT);
1583 break;
1584 case SONY_PIC_COMMAND_SETCAMERACOLOR:
1585 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value),
1586 ITERATIONS_SHORT);
1587 break;
1588 case SONY_PIC_COMMAND_SETCAMERASHARPNESS:
1589 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value),
1590 ITERATIONS_SHORT);
1591 break;
1592 case SONY_PIC_COMMAND_SETCAMERAPICTURE:
1593 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value),
1594 ITERATIONS_SHORT);
1595 break;
1596 case SONY_PIC_COMMAND_SETCAMERAAGC:
1597 wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value),
1598 ITERATIONS_SHORT);
1599 break;
1600 default:
1601 printk(KERN_ERR DRV_PFX "sony_pic_camera_command invalid: %d\n",
1602 command);
1603 break;
1604 }
1605 mutex_unlock(&spic_dev.lock);
1606 return 0;
1607 }
1608 EXPORT_SYMBOL(sony_pic_camera_command);
1609
1610 /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */
1611 static void sony_pic_set_wwanpower(u8 state)
1612 {
1613 state = !!state;
1614 mutex_lock(&spic_dev.lock);
1615 if (spic_dev.wwan_power == state) {
1616 mutex_unlock(&spic_dev.lock);
1617 return;
1618 }
1619 sony_pic_call2(0xB0, state);
1620 spic_dev.wwan_power = state;
1621 mutex_unlock(&spic_dev.lock);
1622 }
1623
1624 static ssize_t sony_pic_wwanpower_store(struct device *dev,
1625 struct device_attribute *attr,
1626 const char *buffer, size_t count)
1627 {
1628 unsigned long value;
1629 if (count > 31)
1630 return -EINVAL;
1631
1632 value = simple_strtoul(buffer, NULL, 10);
1633 sony_pic_set_wwanpower(value);
1634
1635 return count;
1636 }
1637
1638 static ssize_t sony_pic_wwanpower_show(struct device *dev,
1639 struct device_attribute *attr, char *buffer)
1640 {
1641 ssize_t count;
1642 mutex_lock(&spic_dev.lock);
1643 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power);
1644 mutex_unlock(&spic_dev.lock);
1645 return count;
1646 }
1647
1648 /* bluetooth subsystem power state */
1649 static void __sony_pic_set_bluetoothpower(u8 state)
1650 {
1651 state = !!state;
1652 if (spic_dev.bluetooth_power == state)
1653 return;
1654 sony_pic_call2(0x96, state);
1655 sony_pic_call1(0x82);
1656 spic_dev.bluetooth_power = state;
1657 }
1658
1659 static ssize_t sony_pic_bluetoothpower_store(struct device *dev,
1660 struct device_attribute *attr,
1661 const char *buffer, size_t count)
1662 {
1663 unsigned long value;
1664 if (count > 31)
1665 return -EINVAL;
1666
1667 value = simple_strtoul(buffer, NULL, 10);
1668 mutex_lock(&spic_dev.lock);
1669 __sony_pic_set_bluetoothpower(value);
1670 mutex_unlock(&spic_dev.lock);
1671
1672 return count;
1673 }
1674
1675 static ssize_t sony_pic_bluetoothpower_show(struct device *dev,
1676 struct device_attribute *attr, char *buffer)
1677 {
1678 ssize_t count = 0;
1679 mutex_lock(&spic_dev.lock);
1680 count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power);
1681 mutex_unlock(&spic_dev.lock);
1682 return count;
1683 }
1684
1685 /* fan speed */
1686 /* FAN0 information (reverse engineered from ACPI tables) */
1687 #define SONY_PIC_FAN0_STATUS 0x93
1688 static int sony_pic_set_fanspeed(unsigned long value)
1689 {
1690 return ec_write(SONY_PIC_FAN0_STATUS, value);
1691 }
1692
1693 static int sony_pic_get_fanspeed(u8 *value)
1694 {
1695 return ec_read(SONY_PIC_FAN0_STATUS, value);
1696 }
1697
1698 static ssize_t sony_pic_fanspeed_store(struct device *dev,
1699 struct device_attribute *attr,
1700 const char *buffer, size_t count)
1701 {
1702 unsigned long value;
1703 if (count > 31)
1704 return -EINVAL;
1705
1706 value = simple_strtoul(buffer, NULL, 10);
1707 if (sony_pic_set_fanspeed(value))
1708 return -EIO;
1709
1710 return count;
1711 }
1712
1713 static ssize_t sony_pic_fanspeed_show(struct device *dev,
1714 struct device_attribute *attr, char *buffer)
1715 {
1716 u8 value = 0;
1717 if (sony_pic_get_fanspeed(&value))
1718 return -EIO;
1719
1720 return snprintf(buffer, PAGE_SIZE, "%d\n", value);
1721 }
1722
1723 #define SPIC_ATTR(_name, _mode) \
1724 struct device_attribute spic_attr_##_name = __ATTR(_name, \
1725 _mode, sony_pic_## _name ##_show, \
1726 sony_pic_## _name ##_store)
1727
1728 static SPIC_ATTR(bluetoothpower, 0644);
1729 static SPIC_ATTR(wwanpower, 0644);
1730 static SPIC_ATTR(fanspeed, 0644);
1731
1732 static struct attribute *spic_attributes[] = {
1733 &spic_attr_bluetoothpower.attr,
1734 &spic_attr_wwanpower.attr,
1735 &spic_attr_fanspeed.attr,
1736 NULL
1737 };
1738
1739 static struct attribute_group spic_attribute_group = {
1740 .attrs = spic_attributes
1741 };
1742
1743 /******** SONYPI compatibility **********/
1744 #ifdef CONFIG_SONYPI_COMPAT
1745
1746 /* battery / brightness / temperature addresses */
1747 #define SONYPI_BAT_FLAGS 0x81
1748 #define SONYPI_LCD_LIGHT 0x96
1749 #define SONYPI_BAT1_PCTRM 0xa0
1750 #define SONYPI_BAT1_LEFT 0xa2
1751 #define SONYPI_BAT1_MAXRT 0xa4
1752 #define SONYPI_BAT2_PCTRM 0xa8
1753 #define SONYPI_BAT2_LEFT 0xaa
1754 #define SONYPI_BAT2_MAXRT 0xac
1755 #define SONYPI_BAT1_MAXTK 0xb0
1756 #define SONYPI_BAT1_FULL 0xb2
1757 #define SONYPI_BAT2_MAXTK 0xb8
1758 #define SONYPI_BAT2_FULL 0xba
1759 #define SONYPI_TEMP_STATUS 0xC1
1760
1761 struct sonypi_compat_s {
1762 struct fasync_struct *fifo_async;
1763 struct kfifo *fifo;
1764 spinlock_t fifo_lock;
1765 wait_queue_head_t fifo_proc_list;
1766 atomic_t open_count;
1767 };
1768 static struct sonypi_compat_s sonypi_compat = {
1769 .open_count = ATOMIC_INIT(0),
1770 };
1771
1772 static int sonypi_misc_fasync(int fd, struct file *filp, int on)
1773 {
1774 int retval;
1775
1776 retval = fasync_helper(fd, filp, on, &sonypi_compat.fifo_async);
1777 if (retval < 0)
1778 return retval;
1779 return 0;
1780 }
1781
1782 static int sonypi_misc_release(struct inode *inode, struct file *file)
1783 {
1784 sonypi_misc_fasync(-1, file, 0);
1785 atomic_dec(&sonypi_compat.open_count);
1786 return 0;
1787 }
1788
1789 static int sonypi_misc_open(struct inode *inode, struct file *file)
1790 {
1791 /* Flush input queue on first open */
1792 if (atomic_inc_return(&sonypi_compat.open_count) == 1)
1793 kfifo_reset(sonypi_compat.fifo);
1794 return 0;
1795 }
1796
1797 static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
1798 size_t count, loff_t *pos)
1799 {
1800 ssize_t ret;
1801 unsigned char c;
1802
1803 if ((kfifo_len(sonypi_compat.fifo) == 0) &&
1804 (file->f_flags & O_NONBLOCK))
1805 return -EAGAIN;
1806
1807 ret = wait_event_interruptible(sonypi_compat.fifo_proc_list,
1808 kfifo_len(sonypi_compat.fifo) != 0);
1809 if (ret)
1810 return ret;
1811
1812 while (ret < count &&
1813 (kfifo_get(sonypi_compat.fifo, &c, sizeof(c)) == sizeof(c))) {
1814 if (put_user(c, buf++))
1815 return -EFAULT;
1816 ret++;
1817 }
1818
1819 if (ret > 0) {
1820 struct inode *inode = file->f_path.dentry->d_inode;
1821 inode->i_atime = current_fs_time(inode->i_sb);
1822 }
1823
1824 return ret;
1825 }
1826
1827 static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait)
1828 {
1829 poll_wait(file, &sonypi_compat.fifo_proc_list, wait);
1830 if (kfifo_len(sonypi_compat.fifo))
1831 return POLLIN | POLLRDNORM;
1832 return 0;
1833 }
1834
1835 static int ec_read16(u8 addr, u16 *value)
1836 {
1837 u8 val_lb, val_hb;
1838 if (ec_read(addr, &val_lb))
1839 return -1;
1840 if (ec_read(addr + 1, &val_hb))
1841 return -1;
1842 *value = val_lb | (val_hb << 8);
1843 return 0;
1844 }
1845
1846 static int sonypi_misc_ioctl(struct inode *ip, struct file *fp,
1847 unsigned int cmd, unsigned long arg)
1848 {
1849 int ret = 0;
1850 void __user *argp = (void __user *)arg;
1851 u8 val8;
1852 u16 val16;
1853 int value;
1854
1855 mutex_lock(&spic_dev.lock);
1856 switch (cmd) {
1857 case SONYPI_IOCGBRT:
1858 if (sony_backlight_device == NULL) {
1859 ret = -EIO;
1860 break;
1861 }
1862 if (acpi_callgetfunc(sony_nc_acpi_handle, "GBRT", &value)) {
1863 ret = -EIO;
1864 break;
1865 }
1866 val8 = ((value & 0xff) - 1) << 5;
1867 if (copy_to_user(argp, &val8, sizeof(val8)))
1868 ret = -EFAULT;
1869 break;
1870 case SONYPI_IOCSBRT:
1871 if (sony_backlight_device == NULL) {
1872 ret = -EIO;
1873 break;
1874 }
1875 if (copy_from_user(&val8, argp, sizeof(val8))) {
1876 ret = -EFAULT;
1877 break;
1878 }
1879 if (acpi_callsetfunc(sony_nc_acpi_handle, "SBRT",
1880 (val8 >> 5) + 1, NULL)) {
1881 ret = -EIO;
1882 break;
1883 }
1884 /* sync the backlight device status */
1885 sony_backlight_device->props.brightness =
1886 sony_backlight_get_brightness(sony_backlight_device);
1887 break;
1888 case SONYPI_IOCGBAT1CAP:
1889 if (ec_read16(SONYPI_BAT1_FULL, &val16)) {
1890 ret = -EIO;
1891 break;
1892 }
1893 if (copy_to_user(argp, &val16, sizeof(val16)))
1894 ret = -EFAULT;
1895 break;
1896 case SONYPI_IOCGBAT1REM:
1897 if (ec_read16(SONYPI_BAT1_LEFT, &val16)) {
1898 ret = -EIO;
1899 break;
1900 }
1901 if (copy_to_user(argp, &val16, sizeof(val16)))
1902 ret = -EFAULT;
1903 break;
1904 case SONYPI_IOCGBAT2CAP:
1905 if (ec_read16(SONYPI_BAT2_FULL, &val16)) {
1906 ret = -EIO;
1907 break;
1908 }
1909 if (copy_to_user(argp, &val16, sizeof(val16)))
1910 ret = -EFAULT;
1911 break;
1912 case SONYPI_IOCGBAT2REM:
1913 if (ec_read16(SONYPI_BAT2_LEFT, &val16)) {
1914 ret = -EIO;
1915 break;
1916 }
1917 if (copy_to_user(argp, &val16, sizeof(val16)))
1918 ret = -EFAULT;
1919 break;
1920 case SONYPI_IOCGBATFLAGS:
1921 if (ec_read(SONYPI_BAT_FLAGS, &val8)) {
1922 ret = -EIO;
1923 break;
1924 }
1925 val8 &= 0x07;
1926 if (copy_to_user(argp, &val8, sizeof(val8)))
1927 ret = -EFAULT;
1928 break;
1929 case SONYPI_IOCGBLUE:
1930 val8 = spic_dev.bluetooth_power;
1931 if (copy_to_user(argp, &val8, sizeof(val8)))
1932 ret = -EFAULT;
1933 break;
1934 case SONYPI_IOCSBLUE:
1935 if (copy_from_user(&val8, argp, sizeof(val8))) {
1936 ret = -EFAULT;
1937 break;
1938 }
1939 __sony_pic_set_bluetoothpower(val8);
1940 break;
1941 /* FAN Controls */
1942 case SONYPI_IOCGFAN:
1943 if (sony_pic_get_fanspeed(&val8)) {
1944 ret = -EIO;
1945 break;
1946 }
1947 if (copy_to_user(argp, &val8, sizeof(val8)))
1948 ret = -EFAULT;
1949 break;
1950 case SONYPI_IOCSFAN:
1951 if (copy_from_user(&val8, argp, sizeof(val8))) {
1952 ret = -EFAULT;
1953 break;
1954 }
1955 if (sony_pic_set_fanspeed(val8))
1956 ret = -EIO;
1957 break;
1958 /* GET Temperature (useful under APM) */
1959 case SONYPI_IOCGTEMP:
1960 if (ec_read(SONYPI_TEMP_STATUS, &val8)) {
1961 ret = -EIO;
1962 break;
1963 }
1964 if (copy_to_user(argp, &val8, sizeof(val8)))
1965 ret = -EFAULT;
1966 break;
1967 default:
1968 ret = -EINVAL;
1969 }
1970 mutex_unlock(&spic_dev.lock);
1971 return ret;
1972 }
1973
1974 static const struct file_operations sonypi_misc_fops = {
1975 .owner = THIS_MODULE,
1976 .read = sonypi_misc_read,
1977 .poll = sonypi_misc_poll,
1978 .open = sonypi_misc_open,
1979 .release = sonypi_misc_release,
1980 .fasync = sonypi_misc_fasync,
1981 .ioctl = sonypi_misc_ioctl,
1982 };
1983
1984 static struct miscdevice sonypi_misc_device = {
1985 .minor = MISC_DYNAMIC_MINOR,
1986 .name = "sonypi",
1987 .fops = &sonypi_misc_fops,
1988 };
1989
1990 static void sonypi_compat_report_event(u8 event)
1991 {
1992 kfifo_put(sonypi_compat.fifo, (unsigned char *)&event, sizeof(event));
1993 kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN);
1994 wake_up_interruptible(&sonypi_compat.fifo_proc_list);
1995 }
1996
1997 static int sonypi_compat_init(void)
1998 {
1999 int error;
2000
2001 spin_lock_init(&sonypi_compat.fifo_lock);
2002 sonypi_compat.fifo = kfifo_alloc(SONY_LAPTOP_BUF_SIZE, GFP_KERNEL,
2003 &sonypi_compat.fifo_lock);
2004 if (IS_ERR(sonypi_compat.fifo)) {
2005 printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
2006 return PTR_ERR(sonypi_compat.fifo);
2007 }
2008
2009 init_waitqueue_head(&sonypi_compat.fifo_proc_list);
2010
2011 if (minor != -1)
2012 sonypi_misc_device.minor = minor;
2013 error = misc_register(&sonypi_misc_device);
2014 if (error) {
2015 printk(KERN_ERR DRV_PFX "misc_register failed\n");
2016 goto err_free_kfifo;
2017 }
2018 if (minor == -1)
2019 printk(KERN_INFO DRV_PFX "device allocated minor is %d\n",
2020 sonypi_misc_device.minor);
2021
2022 return 0;
2023
2024 err_free_kfifo:
2025 kfifo_free(sonypi_compat.fifo);
2026 return error;
2027 }
2028
2029 static void sonypi_compat_exit(void)
2030 {
2031 misc_deregister(&sonypi_misc_device);
2032 kfifo_free(sonypi_compat.fifo);
2033 }
2034 #else
2035 static int sonypi_compat_init(void) { return 0; }
2036 static void sonypi_compat_exit(void) { }
2037 static void sonypi_compat_report_event(u8 event) { }
2038 #endif /* CONFIG_SONYPI_COMPAT */
2039
2040 /*
2041 * ACPI callbacks
2042 */
2043 static acpi_status
2044 sony_pic_read_possible_resource(struct acpi_resource *resource, void *context)
2045 {
2046 u32 i;
2047 struct sony_pic_dev *dev = (struct sony_pic_dev *)context;
2048
2049 switch (resource->type) {
2050 case ACPI_RESOURCE_TYPE_START_DEPENDENT:
2051 case ACPI_RESOURCE_TYPE_END_DEPENDENT:
2052 return AE_OK;
2053
2054 case ACPI_RESOURCE_TYPE_IRQ:
2055 {
2056 struct acpi_resource_irq *p = &resource->data.irq;
2057 struct sony_pic_irq *interrupt = NULL;
2058 if (!p || !p->interrupt_count) {
2059 /*
2060 * IRQ descriptors may have no IRQ# bits set,
2061 * particularly those those w/ _STA disabled
2062 */
2063 dprintk("Blank IRQ resource\n");
2064 return AE_OK;
2065 }
2066 for (i = 0; i < p->interrupt_count; i++) {
2067 if (!p->interrupts[i]) {
2068 printk(KERN_WARNING DRV_PFX
2069 "Invalid IRQ %d\n",
2070 p->interrupts[i]);
2071 continue;
2072 }
2073 interrupt = kzalloc(sizeof(*interrupt),
2074 GFP_KERNEL);
2075 if (!interrupt)
2076 return AE_ERROR;
2077
2078 list_add_tail(&interrupt->list, &dev->interrupts);
2079 interrupt->irq.triggering = p->triggering;
2080 interrupt->irq.polarity = p->polarity;
2081 interrupt->irq.sharable = p->sharable;
2082 interrupt->irq.interrupt_count = 1;
2083 interrupt->irq.interrupts[0] = p->interrupts[i];
2084 }
2085 return AE_OK;
2086 }
2087 case ACPI_RESOURCE_TYPE_IO:
2088 {
2089 struct acpi_resource_io *io = &resource->data.io;
2090 struct sony_pic_ioport *ioport = NULL;
2091 if (!io) {
2092 dprintk("Blank IO resource\n");
2093 return AE_OK;
2094 }
2095
2096 ioport = kzalloc(sizeof(*ioport), GFP_KERNEL);
2097 if (!ioport)
2098 return AE_ERROR;
2099
2100 list_add_tail(&ioport->list, &dev->ioports);
2101 memcpy(&ioport->io, io, sizeof(*io));
2102 return AE_OK;
2103 }
2104 default:
2105 dprintk("Resource %d isn't an IRQ nor an IO port\n",
2106 resource->type);
2107
2108 case ACPI_RESOURCE_TYPE_END_TAG:
2109 return AE_OK;
2110 }
2111 return AE_CTRL_TERMINATE;
2112 }
2113
2114 static int sony_pic_possible_resources(struct acpi_device *device)
2115 {
2116 int result = 0;
2117 acpi_status status = AE_OK;
2118
2119 if (!device)
2120 return -EINVAL;
2121
2122 /* get device status */
2123 /* see acpi_pci_link_get_current acpi_pci_link_get_possible */
2124 dprintk("Evaluating _STA\n");
2125 result = acpi_bus_get_status(device);
2126 if (result) {
2127 printk(KERN_WARNING DRV_PFX "Unable to read status\n");
2128 goto end;
2129 }
2130
2131 if (!device->status.enabled)
2132 dprintk("Device disabled\n");
2133 else
2134 dprintk("Device enabled\n");
2135
2136 /*
2137 * Query and parse 'method'
2138 */
2139 dprintk("Evaluating %s\n", METHOD_NAME__PRS);
2140 status = acpi_walk_resources(device->handle, METHOD_NAME__PRS,
2141 sony_pic_read_possible_resource, &spic_dev);
2142 if (ACPI_FAILURE(status)) {
2143 printk(KERN_WARNING DRV_PFX
2144 "Failure evaluating %s\n",
2145 METHOD_NAME__PRS);
2146 result = -ENODEV;
2147 }
2148 end:
2149 return result;
2150 }
2151
2152 /*
2153 * Disable the spic device by calling its _DIS method
2154 */
2155 static int sony_pic_disable(struct acpi_device *device)
2156 {
2157 if (ACPI_FAILURE(acpi_evaluate_object(device->handle,
2158 "_DIS", NULL, NULL)))
2159 return -ENXIO;
2160
2161 dprintk("Device disabled\n");
2162 return 0;
2163 }
2164
2165
2166 /*
2167 * Based on drivers/acpi/pci_link.c:acpi_pci_link_set
2168 *
2169 * Call _SRS to set current resources
2170 */
2171 static int sony_pic_enable(struct acpi_device *device,
2172 struct sony_pic_ioport *ioport, struct sony_pic_irq *irq)
2173 {
2174 acpi_status status;
2175 int result = 0;
2176 struct {
2177 struct acpi_resource io_res;
2178 struct acpi_resource irq_res;
2179 struct acpi_resource end;
2180 } *resource;
2181 struct acpi_buffer buffer = { 0, NULL };
2182
2183 if (!ioport || !irq)
2184 return -EINVAL;
2185
2186 /* init acpi_buffer */
2187 resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL);
2188 if (!resource)
2189 return -ENOMEM;
2190
2191 buffer.length = sizeof(*resource) + 1;
2192 buffer.pointer = resource;
2193
2194 /* setup io resource */
2195 resource->io_res.type = ACPI_RESOURCE_TYPE_IO;
2196 resource->io_res.length = sizeof(struct acpi_resource);
2197 memcpy(&resource->io_res.data.io, &ioport->io,
2198 sizeof(struct acpi_resource_io));
2199
2200 /* setup irq resource */
2201 resource->irq_res.type = ACPI_RESOURCE_TYPE_IRQ;
2202 resource->irq_res.length = sizeof(struct acpi_resource);
2203 memcpy(&resource->irq_res.data.irq, &irq->irq,
2204 sizeof(struct acpi_resource_irq));
2205 /* we requested a shared irq */
2206 resource->irq_res.data.irq.sharable = ACPI_SHARED;
2207
2208 resource->end.type = ACPI_RESOURCE_TYPE_END_TAG;
2209
2210 /* Attempt to set the resource */
2211 dprintk("Evaluating _SRS\n");
2212 status = acpi_set_current_resources(device->handle, &buffer);
2213
2214 /* check for total failure */
2215 if (ACPI_FAILURE(status)) {
2216 printk(KERN_ERR DRV_PFX "Error evaluating _SRS");
2217 result = -ENODEV;
2218 goto end;
2219 }
2220
2221 /* Necessary device initializations calls (from sonypi) */
2222 sony_pic_call1(0x82);
2223 sony_pic_call2(0x81, 0xff);
2224 sony_pic_call1(compat ? 0x92 : 0x82);
2225
2226 end:
2227 kfree(resource);
2228 return result;
2229 }
2230
2231 /*****************
2232 *
2233 * ISR: some event is available
2234 *
2235 *****************/
2236 static irqreturn_t sony_pic_irq(int irq, void *dev_id)
2237 {
2238 int i, j;
2239 u8 ev = 0;
2240 u8 data_mask = 0;
2241 u8 device_event = 0;
2242
2243 struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id;
2244
2245 ev = inb_p(dev->cur_ioport->io.minimum);
2246 data_mask = inb_p(dev->cur_ioport->io.minimum + dev->evport_offset);
2247
2248 dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n",
2249 ev, data_mask, dev->cur_ioport->io.minimum, dev->evport_offset);
2250
2251 if (ev == 0x00 || ev == 0xff)
2252 return IRQ_HANDLED;
2253
2254 for (i = 0; sony_pic_eventtypes[i].model; i++) {
2255
2256 if (spic_dev.model != sony_pic_eventtypes[i].model)
2257 continue;
2258
2259 if ((data_mask & sony_pic_eventtypes[i].data) !=
2260 sony_pic_eventtypes[i].data)
2261 continue;
2262
2263 if (!(mask & sony_pic_eventtypes[i].mask))
2264 continue;
2265
2266 for (j = 0; sony_pic_eventtypes[i].events[j].event; j++) {
2267 if (ev == sony_pic_eventtypes[i].events[j].data) {
2268 device_event =
2269 sony_pic_eventtypes[i].events[j].event;
2270 goto found;
2271 }
2272 }
2273 }
2274 return IRQ_HANDLED;
2275
2276 found:
2277 sony_laptop_report_input_event(device_event);
2278 acpi_bus_generate_event(spic_dev.acpi_dev, 1, device_event);
2279 sonypi_compat_report_event(device_event);
2280
2281 return IRQ_HANDLED;
2282 }
2283
2284 /*****************
2285 *
2286 * ACPI driver
2287 *
2288 *****************/
2289 static int sony_pic_remove(struct acpi_device *device, int type)
2290 {
2291 struct sony_pic_ioport *io, *tmp_io;
2292 struct sony_pic_irq *irq, *tmp_irq;
2293
2294 sonypi_compat_exit();
2295
2296 if (sony_pic_disable(device)) {
2297 printk(KERN_ERR DRV_PFX "Couldn't disable device.\n");
2298 return -ENXIO;
2299 }
2300
2301 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2302 release_region(spic_dev.cur_ioport->io.minimum,
2303 spic_dev.cur_ioport->io.address_length);
2304
2305 sony_laptop_remove_input();
2306
2307 /* pf attrs */
2308 sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2309 sony_pf_remove();
2310
2311 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2312 list_del(&io->list);
2313 kfree(io);
2314 }
2315 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2316 list_del(&irq->list);
2317 kfree(irq);
2318 }
2319 spic_dev.cur_ioport = NULL;
2320 spic_dev.cur_irq = NULL;
2321
2322 dprintk(SONY_PIC_DRIVER_NAME " removed.\n");
2323 return 0;
2324 }
2325
2326 static int sony_pic_add(struct acpi_device *device)
2327 {
2328 int result;
2329 struct sony_pic_ioport *io, *tmp_io;
2330 struct sony_pic_irq *irq, *tmp_irq;
2331
2332 printk(KERN_INFO DRV_PFX "%s v%s.\n",
2333 SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION);
2334
2335 spic_dev.acpi_dev = device;
2336 strcpy(acpi_device_class(device), "sony/hotkey");
2337 spic_dev.model = sony_pic_detect_device_type();
2338 mutex_init(&spic_dev.lock);
2339
2340 /* model specific characteristics */
2341 switch(spic_dev.model) {
2342 case SONYPI_DEVICE_TYPE1:
2343 spic_dev.evport_offset = SONYPI_TYPE1_OFFSET;
2344 break;
2345 case SONYPI_DEVICE_TYPE3:
2346 spic_dev.evport_offset = SONYPI_TYPE3_OFFSET;
2347 break;
2348 case SONYPI_DEVICE_TYPE2:
2349 default:
2350 spic_dev.evport_offset = SONYPI_TYPE2_OFFSET;
2351 break;
2352 }
2353
2354 /* read _PRS resources */
2355 result = sony_pic_possible_resources(device);
2356 if (result) {
2357 printk(KERN_ERR DRV_PFX
2358 "Unabe to read possible resources.\n");
2359 goto err_free_resources;
2360 }
2361
2362 /* setup input devices and helper fifo */
2363 result = sony_laptop_setup_input();
2364 if (result) {
2365 printk(KERN_ERR DRV_PFX
2366 "Unabe to create input devices.\n");
2367 goto err_free_resources;
2368 }
2369
2370 /* request io port */
2371 list_for_each_entry(io, &spic_dev.ioports, list) {
2372 if (request_region(io->io.minimum, io->io.address_length,
2373 "Sony Programable I/O Device")) {
2374 dprintk("I/O port: 0x%.4x (0x%.4x) + 0x%.2x\n",
2375 io->io.minimum, io->io.maximum,
2376 io->io.address_length);
2377 spic_dev.cur_ioport = io;
2378 break;
2379 }
2380 }
2381 if (!spic_dev.cur_ioport) {
2382 printk(KERN_ERR DRV_PFX "Failed to request_region.\n");
2383 result = -ENODEV;
2384 goto err_remove_input;
2385 }
2386
2387 /* request IRQ */
2388 list_for_each_entry(irq, &spic_dev.interrupts, list) {
2389 if (!request_irq(irq->irq.interrupts[0], sony_pic_irq,
2390 IRQF_SHARED, "sony-laptop", &spic_dev)) {
2391 dprintk("IRQ: %d - triggering: %d - "
2392 "polarity: %d - shr: %d\n",
2393 irq->irq.interrupts[0],
2394 irq->irq.triggering,
2395 irq->irq.polarity,
2396 irq->irq.sharable);
2397 spic_dev.cur_irq = irq;
2398 break;
2399 }
2400 }
2401 if (!spic_dev.cur_irq) {
2402 printk(KERN_ERR DRV_PFX "Failed to request_irq.\n");
2403 result = -ENODEV;
2404 goto err_release_region;
2405 }
2406
2407 /* set resource status _SRS */
2408 result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2409 if (result) {
2410 printk(KERN_ERR DRV_PFX "Couldn't enable device.\n");
2411 goto err_free_irq;
2412 }
2413
2414 spic_dev.bluetooth_power = -1;
2415 /* create device attributes */
2416 result = sony_pf_add();
2417 if (result)
2418 goto err_disable_device;
2419
2420 result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group);
2421 if (result)
2422 goto err_remove_pf;
2423
2424 if (sonypi_compat_init())
2425 goto err_remove_pf;
2426
2427 return 0;
2428
2429 err_remove_pf:
2430 sony_pf_remove();
2431
2432 err_disable_device:
2433 sony_pic_disable(device);
2434
2435 err_free_irq:
2436 free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev);
2437
2438 err_release_region:
2439 release_region(spic_dev.cur_ioport->io.minimum,
2440 spic_dev.cur_ioport->io.address_length);
2441
2442 err_remove_input:
2443 sony_laptop_remove_input();
2444
2445 err_free_resources:
2446 list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) {
2447 list_del(&io->list);
2448 kfree(io);
2449 }
2450 list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) {
2451 list_del(&irq->list);
2452 kfree(irq);
2453 }
2454 spic_dev.cur_ioport = NULL;
2455 spic_dev.cur_irq = NULL;
2456
2457 return result;
2458 }
2459
2460 static int sony_pic_suspend(struct acpi_device *device, pm_message_t state)
2461 {
2462 if (sony_pic_disable(device))
2463 return -ENXIO;
2464 return 0;
2465 }
2466
2467 static int sony_pic_resume(struct acpi_device *device)
2468 {
2469 sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq);
2470 return 0;
2471 }
2472
2473 static struct acpi_driver sony_pic_driver = {
2474 .name = SONY_PIC_DRIVER_NAME,
2475 .class = SONY_PIC_CLASS,
2476 .ids = SONY_PIC_HID,
2477 .owner = THIS_MODULE,
2478 .ops = {
2479 .add = sony_pic_add,
2480 .remove = sony_pic_remove,
2481 .suspend = sony_pic_suspend,
2482 .resume = sony_pic_resume,
2483 },
2484 };
2485
2486 static struct dmi_system_id __initdata sonypi_dmi_table[] = {
2487 {
2488 .ident = "Sony Vaio",
2489 .matches = {
2490 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2491 DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"),
2492 },
2493 },
2494 {
2495 .ident = "Sony Vaio",
2496 .matches = {
2497 DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
2498 DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"),
2499 },
2500 },
2501 { }
2502 };
2503
2504 static int __init sony_laptop_init(void)
2505 {
2506 int result;
2507
2508 if (!no_spic && dmi_check_system(sonypi_dmi_table)) {
2509 result = acpi_bus_register_driver(&sony_pic_driver);
2510 if (result) {
2511 printk(KERN_ERR DRV_PFX
2512 "Unable to register SPIC driver.");
2513 goto out;
2514 }
2515 }
2516
2517 result = acpi_bus_register_driver(&sony_nc_driver);
2518 if (result) {
2519 printk(KERN_ERR DRV_PFX "Unable to register SNC driver.");
2520 goto out_unregister_pic;
2521 }
2522
2523 return 0;
2524
2525 out_unregister_pic:
2526 if (!no_spic)
2527 acpi_bus_unregister_driver(&sony_pic_driver);
2528 out:
2529 return result;
2530 }
2531
2532 static void __exit sony_laptop_exit(void)
2533 {
2534 acpi_bus_unregister_driver(&sony_nc_driver);
2535 if (!no_spic)
2536 acpi_bus_unregister_driver(&sony_pic_driver);
2537 }
2538
2539 module_init(sony_laptop_init);
2540 module_exit(sony_laptop_exit);
USB Experimental Work